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Possible License(s): BSD-3-Clause, AGPL-1.0, GPL-2.0, Apache-2.0, JSON 
    

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  31.       <li><a class="el" href="dir_12590045ec6dcd64f3c4ad499444ef83.html">underlay</a>      </li>
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  32.       <li><a class="el" href="dir_e7abd501ef2699b72177966ee598d65b.html">singlehostunderlay</a>      </li>
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  33.       <li><a class="el" href="dir_e172c4d23ca9cdab66e1c382ceb2ddaa.html">stun</a>      </li>
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    39. 

  39. <h1>stun.cc</h1>  </div>
    40. 

  40. </div>
    41. 

  41. <div class="contents">
    42. 

  42. <a href="stun_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include &lt;cassert&gt;</span>
    43. 

  43. <a name="l00002"></a>00002 <span class="preprocessor">#include &lt;cstring&gt;</span>
    44. 

  44. <a name="l00003"></a>00003 <span class="preprocessor">#include &lt;iostream&gt;</span>
    45. 

  45. <a name="l00004"></a>00004 <span class="preprocessor">#include &lt;cstdlib&gt;</span>
    46. 

  46. <a name="l00005"></a>00005 <span class="preprocessor">#include &lt;errno.h&gt;</span>
    47. 

  47. <a name="l00006"></a>00006 
    48. 

  48. <a name="l00007"></a>00007 <span class="preprocessor">#ifdef WIN32</span>
    49. 

  49. <a name="l00008"></a>00008 <span class="preprocessor"></span><span class="preprocessor">#include &lt;winsock2.h&gt;</span>
    50. 

  50. <a name="l00009"></a>00009 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
    51. 

  51. <a name="l00010"></a>00010 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
    52. 

  52. <a name="l00011"></a>00011 <span class="preprocessor">#include &lt;io.h&gt;</span>
    53. 

  53. <a name="l00012"></a>00012 <span class="preprocessor">#include &lt;time.h&gt;</span>
    54. 

  54. <a name="l00013"></a>00013 <span class="preprocessor">#else</span>
    55. 

  55. <a name="l00014"></a>00014 <span class="preprocessor"></span>
    56. 

  56. <a name="l00015"></a>00015 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
    57. 

  57. <a name="l00016"></a>00016 <span class="preprocessor">#include &lt;unistd.h&gt;</span>
    58. 

  58. <a name="l00017"></a>00017 <span class="preprocessor">#include &lt;string.h&gt;</span>
    59. 

  59. <a name="l00018"></a>00018 <span class="preprocessor">#include &lt;sys/ioctl.h&gt;</span>
    60. 

  60. <a name="l00019"></a>00019 <span class="preprocessor">#include &lt;sys/socket.h&gt;</span>
    61. 

  61. <a name="l00020"></a>00020 <span class="preprocessor">#include &lt;sys/time.h&gt;</span>
    62. 

  62. <a name="l00021"></a>00021 <span class="preprocessor">#include &lt;sys/types.h&gt;</span>
    63. 

  63. <a name="l00022"></a>00022 <span class="preprocessor">#include &lt;arpa/inet.h&gt;</span>
    64. 

  64. <a name="l00023"></a>00023 <span class="preprocessor">#include &lt;fcntl.h&gt;</span>
    65. 

  65. <a name="l00024"></a>00024 <span class="preprocessor">#include &lt;netdb.h&gt;</span>
    66. 

  66. <a name="l00025"></a>00025 <span class="preprocessor">#include &lt;netinet/in.h&gt;</span>
    67. 

  67. <a name="l00026"></a>00026 <span class="preprocessor">#include &lt;arpa/nameser.h&gt;</span>
    68. 

  68. <a name="l00027"></a>00027 <span class="preprocessor">#include &lt;resolv.h&gt;</span>
    69. 

  69. <a name="l00028"></a>00028 <span class="preprocessor">#include &lt;net/if.h&gt;</span>
    70. 

  70. <a name="l00029"></a>00029 
    71. 

  71. <a name="l00030"></a>00030 <span class="preprocessor">#endif</span>
    72. 

  72. <a name="l00031"></a>00031 <span class="preprocessor"></span>
    73. 

  73. <a name="l00032"></a>00032 
    74. 

  74. <a name="l00033"></a>00033 <span class="preprocessor">#if defined(__sparc__) || defined(WIN32)</span>
    75. 

  75. <a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#define NOSSL</span>
    76. 

  76. <a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    77. 

  77. <a name="l00036"></a><a class="code" href="stun_8cc.html#a6072c634968940fb89f70b65cf072c6a">00036</a> <span class="preprocessor"></span><span class="preprocessor">#define NOSSL</span>
    78. 

  78. <a name="l00037"></a>00037 <span class="preprocessor"></span>
    79. 

  79. <a name="l00038"></a>00038 <span class="preprocessor">#include &quot;<a class="code" href="stun__udp_8h.html">stun_udp.h</a>&quot;</span>
    80. 

  80. <a name="l00039"></a>00039 <span class="preprocessor">#include &quot;<a class="code" href="stun_8h.html">stun.h</a>&quot;</span>
    81. 

  81. <a name="l00040"></a>00040 
    82. 

  82. <a name="l00041"></a>00041 
    83. 

  83. <a name="l00042"></a>00042 <span class="keyword">using namespace </span>std;
    84. 

  84. <a name="l00043"></a>00043 
    85. 

  85. <a name="l00044"></a>00044 
    86. 

  86. <a name="l00045"></a>00045 <span class="keyword">static</span> <span class="keywordtype">void</span>
    87. 

  87. <a name="l00046"></a>00046 <a class="code" href="stun_8cc.html#afdae90956a999518a90595e783525734">computeHmac</a>(<span class="keywordtype">char</span>* hmac, <span class="keyword">const</span> <span class="keywordtype">char</span>* input, <span class="keywordtype">int</span> length, <span class="keyword">const</span> <span class="keywordtype">char</span>* key, <span class="keywordtype">int</span> keySize);
    88. 

  88. <a name="l00047"></a>00047 
    89. 

  89. <a name="l00048"></a>00048 <span class="keyword">static</span> <span class="keywordtype">bool</span>
    90. 

  90. <a name="l00049"></a><a class="code" href="stun_8cc.html#a16624b9ba3d6b2f1c821571fa467c544">00049</a> <a class="code" href="stun_8cc.html#a16624b9ba3d6b2f1c821571fa467c544">stunParseAtrAddress</a>( <span class="keywordtype">char</span>* body, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hdrLen,  <a class="code" href="structStunAtrAddress4.html">StunAtrAddress4</a>&amp; result )
    91. 

  91. <a name="l00050"></a>00050 {
    92. 

  92. <a name="l00051"></a>00051    <span class="keywordflow">if</span> ( hdrLen != 8 )
    93. 

  93. <a name="l00052"></a>00052    {
    94. 

  94. <a name="l00053"></a>00053       clog &lt;&lt; <span class="stringliteral">&quot;hdrLen wrong for Address&quot;</span> &lt;&lt;endl;
    95. 

  95. <a name="l00054"></a>00054       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    96. 

  96. <a name="l00055"></a>00055    }
    97. 

  97. <a name="l00056"></a>00056    result.<a class="code" href="structStunAtrAddress4.html#afe6ed0534166b0fd194b23b01ddad7b4">pad</a> = *body++;
    98. 

  98. <a name="l00057"></a>00057    result.<a class="code" href="structStunAtrAddress4.html#ab31f05e3cba900d7613bc9f226f171d0">family</a> = *body++;
    99. 

  99. <a name="l00058"></a>00058    <span class="keywordflow">if</span> (result.<a class="code" href="structStunAtrAddress4.html#ab31f05e3cba900d7613bc9f226f171d0">family</a> == <a class="code" href="stun_8h.html#ac2c7bc41e1b918c98583006fd7025bc5" title="define a structure to hold a stun address">IPv4Family</a>)
    100. 

  100. <a name="l00059"></a>00059    {
    101. 

  101. <a name="l00060"></a>00060       <a class="code" href="stun_8h.html#accc14a7c843716dfed734f3a03e8d2b6">UInt16</a> nport;
    102. 

  102. <a name="l00061"></a>00061       memcpy(&amp;nport, body, 2); body+=2;
    103. 

  103. <a name="l00062"></a>00062       result.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = ntohs(nport);
    104. 

  104. <a name="l00063"></a>00063 
    105. 

  105. <a name="l00064"></a>00064       <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a> naddr;
    106. 

  106. <a name="l00065"></a>00065       memcpy(&amp;naddr, body, 4); body+=4;
    107. 

  107. <a name="l00066"></a>00066       result.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = ntohl(naddr);
    108. 

  108. <a name="l00067"></a>00067       <span class="keywordflow">return</span> <span class="keyword">true</span>;
    109. 

  109. <a name="l00068"></a>00068    }
    110. 

  110. <a name="l00069"></a>00069    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (result.<a class="code" href="structStunAtrAddress4.html#ab31f05e3cba900d7613bc9f226f171d0">family</a> == <a class="code" href="stun_8h.html#a5da56f5efebd69e84bf5fdb74a02bf8a">IPv6Family</a>)
    111. 

  111. <a name="l00070"></a>00070    {
    112. 

  112. <a name="l00071"></a>00071       clog &lt;&lt; <span class="stringliteral">&quot;ipv6 not supported&quot;</span> &lt;&lt; endl;
    113. 

  113. <a name="l00072"></a>00072    }
    114. 

  114. <a name="l00073"></a>00073    <span class="keywordflow">else</span>
    115. 

  115. <a name="l00074"></a>00074    {
    116. 

  116. <a name="l00075"></a>00075       clog &lt;&lt; <span class="stringliteral">&quot;bad address family: &quot;</span> &lt;&lt; result.<a class="code" href="structStunAtrAddress4.html#ab31f05e3cba900d7613bc9f226f171d0">family</a> &lt;&lt; endl;
    117. 

  117. <a name="l00076"></a>00076    }
    118. 

  118. <a name="l00077"></a>00077 
    119. 

  119. <a name="l00078"></a>00078    <span class="keywordflow">return</span> <span class="keyword">false</span>;
    120. 

  120. <a name="l00079"></a>00079 }
    121. 

  121. <a name="l00080"></a>00080 
    122. 

  122. <a name="l00081"></a>00081 <span class="keyword">static</span> <span class="keywordtype">bool</span>
    123. 

  123. <a name="l00082"></a><a class="code" href="stun_8cc.html#af2f9f10bd394cb42037f1997266b978a">00082</a> <a class="code" href="stun_8cc.html#af2f9f10bd394cb42037f1997266b978a">stunParseAtrChangeRequest</a>( <span class="keywordtype">char</span>* body, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hdrLen,  <a class="code" href="structStunAtrChangeRequest.html">StunAtrChangeRequest</a>&amp; result )
    124. 

  124. <a name="l00083"></a>00083 {
    125. 

  125. <a name="l00084"></a>00084    <span class="keywordflow">if</span> ( hdrLen != 4 )
    126. 

  126. <a name="l00085"></a>00085    {
    127. 

  127. <a name="l00086"></a>00086       clog &lt;&lt; <span class="stringliteral">&quot;hdr length = &quot;</span> &lt;&lt; hdrLen &lt;&lt; <span class="stringliteral">&quot; expecting &quot;</span> &lt;&lt; <span class="keyword">sizeof</span>(result) &lt;&lt; endl;
    128. 

  128. <a name="l00087"></a>00087 
    129. 

  129. <a name="l00088"></a>00088       clog &lt;&lt; <span class="stringliteral">&quot;Incorrect size for ChangeRequest&quot;</span> &lt;&lt; endl;
    130. 

  130. <a name="l00089"></a>00089       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    131. 

  131. <a name="l00090"></a>00090    }
    132. 

  132. <a name="l00091"></a>00091    <span class="keywordflow">else</span>
    133. 

  133. <a name="l00092"></a>00092    {
    134. 

  134. <a name="l00093"></a>00093       memcpy(&amp;result.<a class="code" href="structStunAtrChangeRequest.html#adbb006a8e7cc0637d01959c8ba985c0c">value</a>, body, 4);
    135. 

  135. <a name="l00094"></a>00094       result.<a class="code" href="structStunAtrChangeRequest.html#adbb006a8e7cc0637d01959c8ba985c0c">value</a> = ntohl(result.<a class="code" href="structStunAtrChangeRequest.html#adbb006a8e7cc0637d01959c8ba985c0c">value</a>);
    136. 

  136. <a name="l00095"></a>00095       <span class="keywordflow">return</span> <span class="keyword">true</span>;
    137. 

  137. <a name="l00096"></a>00096    }
    138. 

  138. <a name="l00097"></a>00097 }
    139. 

  139. <a name="l00098"></a>00098 
    140. 

  140. <a name="l00099"></a>00099 <span class="keyword">static</span> <span class="keywordtype">bool</span>
    141. 

  141. <a name="l00100"></a><a class="code" href="stun_8cc.html#afdf35a5dc5c3d6b7109c290308e32887">00100</a> <a class="code" href="stun_8cc.html#afdf35a5dc5c3d6b7109c290308e32887">stunParseAtrError</a>( <span class="keywordtype">char</span>* body, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hdrLen,  <a class="code" href="structStunAtrError.html">StunAtrError</a>&amp; result )
    142. 

  142. <a name="l00101"></a>00101 {
    143. 

  143. <a name="l00102"></a>00102    <span class="keywordflow">if</span> ( hdrLen &gt;= <span class="keyword">sizeof</span>(result) )
    144. 

  144. <a name="l00103"></a>00103    {
    145. 

  145. <a name="l00104"></a>00104       clog &lt;&lt; <span class="stringliteral">&quot;head on Error too large&quot;</span> &lt;&lt; endl;
    146. 

  146. <a name="l00105"></a>00105       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    147. 

  147. <a name="l00106"></a>00106    }
    148. 

  148. <a name="l00107"></a>00107    <span class="keywordflow">else</span>
    149. 

  149. <a name="l00108"></a>00108    {
    150. 

  150. <a name="l00109"></a>00109       memcpy(&amp;result.<a class="code" href="structStunAtrError.html#ae2d32994bcf7387452902e139f2b652f">pad</a>, body, 2); body+=2;
    151. 

  151. <a name="l00110"></a>00110       result.<a class="code" href="structStunAtrError.html#ae2d32994bcf7387452902e139f2b652f">pad</a> = ntohs(result.<a class="code" href="structStunAtrError.html#ae2d32994bcf7387452902e139f2b652f">pad</a>);
    152. 

  152. <a name="l00111"></a>00111       result.<a class="code" href="structStunAtrError.html#aef65890aa74d342d326ea74000064be5">errorClass</a> = *body++;
    153. 

  153. <a name="l00112"></a>00112       result.<a class="code" href="structStunAtrError.html#abdee224c138f23ad06aeb97ed9d6e0fe">number</a> = *body++;
    154. 

  154. <a name="l00113"></a>00113 
    155. 

  155. <a name="l00114"></a>00114       result.<a class="code" href="structStunAtrError.html#adcac61cdac715d64ebaa78e6847e1108">sizeReason</a> = hdrLen - 4;
    156. 

  156. <a name="l00115"></a>00115       memcpy(&amp;result.<a class="code" href="structStunAtrError.html#a3bb11d3802d0bfe65a153d8a6bccd472">reason</a>, body, result.<a class="code" href="structStunAtrError.html#adcac61cdac715d64ebaa78e6847e1108">sizeReason</a>);
    157. 

  157. <a name="l00116"></a>00116       result.<a class="code" href="structStunAtrError.html#a3bb11d3802d0bfe65a153d8a6bccd472">reason</a>[result.<a class="code" href="structStunAtrError.html#adcac61cdac715d64ebaa78e6847e1108">sizeReason</a>] = 0;
    158. 

  158. <a name="l00117"></a>00117       <span class="keywordflow">return</span> <span class="keyword">true</span>;
    159. 

  159. <a name="l00118"></a>00118    }
    160. 

  160. <a name="l00119"></a>00119 }
    161. 

  161. <a name="l00120"></a>00120 
    162. 

  162. <a name="l00121"></a>00121 <span class="keyword">static</span> <span class="keywordtype">bool</span>
    163. 

  163. <a name="l00122"></a><a class="code" href="stun_8cc.html#a739d3cc61a2a1609b96d535ae74a6221">00122</a> <a class="code" href="stun_8cc.html#a739d3cc61a2a1609b96d535ae74a6221">stunParseAtrUnknown</a>( <span class="keywordtype">char</span>* body, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hdrLen,  <a class="code" href="structStunAtrUnknown.html">StunAtrUnknown</a>&amp; result )
    164. 

  164. <a name="l00123"></a>00123 {
    165. 

  165. <a name="l00124"></a>00124    <span class="keywordflow">if</span> ( hdrLen &gt;= <span class="keyword">sizeof</span>(result) )
    166. 

  166. <a name="l00125"></a>00125    {
    167. 

  167. <a name="l00126"></a>00126       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    168. 

  168. <a name="l00127"></a>00127    }
    169. 

  169. <a name="l00128"></a>00128    <span class="keywordflow">else</span>
    170. 

  170. <a name="l00129"></a>00129    {
    171. 

  171. <a name="l00130"></a>00130       <span class="keywordflow">if</span> (hdrLen % 4 != 0) <span class="keywordflow">return</span> <span class="keyword">false</span>;
    172. 

  172. <a name="l00131"></a>00131       result.<a class="code" href="structStunAtrUnknown.html#a39f2cca60b76d9476cd2a61a349e72d6">numAttributes</a> = hdrLen / 4;
    173. 

  173. <a name="l00132"></a>00132       <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;result.<a class="code" href="structStunAtrUnknown.html#a39f2cca60b76d9476cd2a61a349e72d6">numAttributes</a>; i++)
    174. 

  174. <a name="l00133"></a>00133       {
    175. 

  175. <a name="l00134"></a>00134          memcpy(&amp;result.<a class="code" href="structStunAtrUnknown.html#a2a9ac6afb38e1f951bc7cb8ec0b2a888">attrType</a>[i], body, 2); body+=2;
    176. 

  176. <a name="l00135"></a>00135          result.<a class="code" href="structStunAtrUnknown.html#a2a9ac6afb38e1f951bc7cb8ec0b2a888">attrType</a>[i] = ntohs(result.<a class="code" href="structStunAtrUnknown.html#a2a9ac6afb38e1f951bc7cb8ec0b2a888">attrType</a>[i]);
    177. 

  177. <a name="l00136"></a>00136       }
    178. 

  178. <a name="l00137"></a>00137       <span class="keywordflow">return</span> <span class="keyword">true</span>;
    179. 

  179. <a name="l00138"></a>00138    }
    180. 

  180. <a name="l00139"></a>00139 }
    181. 

  181. <a name="l00140"></a>00140 
    182. 

  182. <a name="l00141"></a>00141 
    183. 

  183. <a name="l00142"></a>00142 <span class="keyword">static</span> <span class="keywordtype">bool</span>
    184. 

  184. <a name="l00143"></a><a class="code" href="stun_8cc.html#a2c161a60854ecb6fe959dff3fe422310">00143</a> <a class="code" href="stun_8cc.html#a2c161a60854ecb6fe959dff3fe422310">stunParseAtrString</a>( <span class="keywordtype">char</span>* body, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hdrLen,  <a class="code" href="structStunAtrString.html">StunAtrString</a>&amp; result )
    185. 

  185. <a name="l00144"></a>00144 {
    186. 

  186. <a name="l00145"></a>00145    <span class="keywordflow">if</span> ( hdrLen &gt;= <a class="code" href="stun_8h.html#ac4d86797b42c1696b7acbd715481c0b1">STUN_MAX_STRING</a> )
    187. 

  187. <a name="l00146"></a>00146    {
    188. 

  188. <a name="l00147"></a>00147       clog &lt;&lt; <span class="stringliteral">&quot;String is too large&quot;</span> &lt;&lt; endl;
    189. 

  189. <a name="l00148"></a>00148       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    190. 

  190. <a name="l00149"></a>00149    }
    191. 

  191. <a name="l00150"></a>00150    <span class="keywordflow">else</span>
    192. 

  192. <a name="l00151"></a>00151    {
    193. 

  193. <a name="l00152"></a>00152       <span class="keywordflow">if</span> (hdrLen % 4 != 0)
    194. 

  194. <a name="l00153"></a>00153       {
    195. 

  195. <a name="l00154"></a>00154          clog &lt;&lt; <span class="stringliteral">&quot;Bad length string &quot;</span> &lt;&lt; hdrLen &lt;&lt; endl;
    196. 

  196. <a name="l00155"></a>00155          <span class="keywordflow">return</span> <span class="keyword">false</span>;
    197. 

  197. <a name="l00156"></a>00156       }
    198. 

  198. <a name="l00157"></a>00157 
    199. 

  199. <a name="l00158"></a>00158       result.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = hdrLen;
    200. 

  200. <a name="l00159"></a>00159       memcpy(&amp;result.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>, body, hdrLen);
    201. 

  201. <a name="l00160"></a>00160       result.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>[hdrLen] = 0;
    202. 

  202. <a name="l00161"></a>00161       <span class="keywordflow">return</span> <span class="keyword">true</span>;
    203. 

  203. <a name="l00162"></a>00162    }
    204. 

  204. <a name="l00163"></a>00163 }
    205. 

  205. <a name="l00164"></a>00164 
    206. 

  206. <a name="l00165"></a>00165 
    207. 

  207. <a name="l00166"></a>00166 <span class="keyword">static</span> <span class="keywordtype">bool</span>
    208. 

  208. <a name="l00167"></a><a class="code" href="stun_8cc.html#a4e7e4c29e1424831e001c9ffa9b74b53">00167</a> <a class="code" href="stun_8cc.html#a4e7e4c29e1424831e001c9ffa9b74b53">stunParseAtrIntegrity</a>( <span class="keywordtype">char</span>* body, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hdrLen,  <a class="code" href="structStunAtrIntegrity.html">StunAtrIntegrity</a>&amp; result )
    209. 

  209. <a name="l00168"></a>00168 {
    210. 

  210. <a name="l00169"></a>00169    <span class="keywordflow">if</span> ( hdrLen != 20)
    211. 

  211. <a name="l00170"></a>00170    {
    212. 

  212. <a name="l00171"></a>00171       clog &lt;&lt; <span class="stringliteral">&quot;MessageIntegrity must be 20 bytes&quot;</span> &lt;&lt; endl;
    213. 

  213. <a name="l00172"></a>00172       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    214. 

  214. <a name="l00173"></a>00173    }
    215. 

  215. <a name="l00174"></a>00174    <span class="keywordflow">else</span>
    216. 

  216. <a name="l00175"></a>00175    {
    217. 

  217. <a name="l00176"></a>00176       memcpy(&amp;result.<a class="code" href="structStunAtrIntegrity.html#a584fa6b758583be87dfad5c10da9fd44">hash</a>, body, hdrLen);
    218. 

  218. <a name="l00177"></a>00177       <span class="keywordflow">return</span> <span class="keyword">true</span>;
    219. 

  219. <a name="l00178"></a>00178    }
    220. 

  220. <a name="l00179"></a>00179 }
    221. 

  221. <a name="l00180"></a>00180 
    222. 

  222. <a name="l00181"></a>00181 
    223. 

  223. <a name="l00182"></a>00182 <span class="keywordtype">bool</span>
    224. 

  224. <a name="l00183"></a><a class="code" href="stun_8h.html#a44a8d7b644cb0faa4107db47b2e06471">00183</a> <a class="code" href="stun_8cc.html#af81c30137f26a4cb158b48aa21f4f681">stunParseMessage</a>( <span class="keywordtype">char</span>* buf, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bufLen, <a class="code" href="structStunMessage.html">StunMessage</a>&amp; msg, <span class="keywordtype">bool</span> verbose)
    225. 

  225. <a name="l00184"></a>00184 {
    226. 

  226. <a name="l00185"></a>00185    <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Received stun message: &quot;</span> &lt;&lt; bufLen &lt;&lt; <span class="stringliteral">&quot; bytes&quot;</span> &lt;&lt; endl;
    227. 

  227. <a name="l00186"></a>00186    memset(&amp;msg, 0, <span class="keyword">sizeof</span>(msg));
    228. 

  228. <a name="l00187"></a>00187 
    229. 

  229. <a name="l00188"></a>00188    <span class="keywordflow">if</span> (<span class="keyword">sizeof</span>(<a class="code" href="structStunMsgHdr.html">StunMsgHdr</a>) &gt; bufLen)
    230. 

  230. <a name="l00189"></a>00189    {
    231. 

  231. <a name="l00190"></a>00190       clog &lt;&lt; <span class="stringliteral">&quot;Bad message&quot;</span> &lt;&lt; endl;
    232. 

  232. <a name="l00191"></a>00191       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    233. 

  233. <a name="l00192"></a>00192    }
    234. 

  234. <a name="l00193"></a>00193 
    235. 

  235. <a name="l00194"></a>00194    memcpy(&amp;msg.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>, buf, <span class="keyword">sizeof</span>(<a class="code" href="structStunMsgHdr.html">StunMsgHdr</a>));
    236. 

  236. <a name="l00195"></a>00195    msg.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a7cc96e6cbb87582e56f298eb891c43e2">msgType</a> = ntohs(msg.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a7cc96e6cbb87582e56f298eb891c43e2">msgType</a>);
    237. 

  237. <a name="l00196"></a>00196    msg.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a619e2158af7fd1b3de12b88899a7c5dd">msgLength</a> = ntohs(msg.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a619e2158af7fd1b3de12b88899a7c5dd">msgLength</a>);
    238. 

  238. <a name="l00197"></a>00197 
    239. 

  239. <a name="l00198"></a>00198    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a619e2158af7fd1b3de12b88899a7c5dd">msgLength</a> + <span class="keyword">sizeof</span>(<a class="code" href="structStunMsgHdr.html">StunMsgHdr</a>) != bufLen)
    240. 

  240. <a name="l00199"></a>00199    {
    241. 

  241. <a name="l00200"></a>00200       clog &lt;&lt; <span class="stringliteral">&quot;Message header length doesn&#39;t match message size: &quot;</span>
    242. 

  242. <a name="l00201"></a>00201            &lt;&lt; msg.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a619e2158af7fd1b3de12b88899a7c5dd">msgLength</a> &lt;&lt; <span class="stringliteral">&quot; - &quot;</span> &lt;&lt; bufLen &lt;&lt; endl;
    243. 

  243. <a name="l00202"></a>00202       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    244. 

  244. <a name="l00203"></a>00203    }
    245. 

  245. <a name="l00204"></a>00204 
    246. 

  246. <a name="l00205"></a>00205    <span class="keywordtype">char</span>* body = buf + <span class="keyword">sizeof</span>(<a class="code" href="structStunMsgHdr.html">StunMsgHdr</a>);
    247. 

  247. <a name="l00206"></a>00206    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size = msg.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a619e2158af7fd1b3de12b88899a7c5dd">msgLength</a>;
    248. 

  248. <a name="l00207"></a>00207 
    249. 

  249. <a name="l00208"></a>00208    <span class="comment">//clog &lt;&lt; &quot;bytes after header = &quot; &lt;&lt; size &lt;&lt; endl;</span>
    250. 

  250. <a name="l00209"></a>00209 
    251. 

  251. <a name="l00210"></a>00210    <span class="keywordflow">while</span> ( size &gt; 0 )
    252. 

  252. <a name="l00211"></a>00211    {
    253. 

  253. <a name="l00212"></a>00212       <span class="comment">// !jf! should check that there are enough bytes left in the buffer</span>
    254. 

  254. <a name="l00213"></a>00213 
    255. 

  255. <a name="l00214"></a>00214       <a class="code" href="structStunAtrHdr.html">StunAtrHdr</a>* attr = <span class="keyword">reinterpret_cast&lt;</span><a class="code" href="structStunAtrHdr.html">StunAtrHdr</a>*<span class="keyword">&gt;</span>(body);
    256. 

  256. <a name="l00215"></a>00215 
    257. 

  257. <a name="l00216"></a>00216       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> attrLen = ntohs(attr-&gt;<a class="code" href="structStunAtrHdr.html#a979c6bd5a4c93128cc316bef605191f5">length</a>);
    258. 

  258. <a name="l00217"></a>00217       <span class="keywordtype">int</span> atrType = ntohs(attr-&gt;<a class="code" href="structStunAtrHdr.html#a303835ac7916984e097587ad499b568e">type</a>);
    259. 

  259. <a name="l00218"></a>00218 
    260. 

  260. <a name="l00219"></a>00219       <span class="comment">//if (verbose) clog &lt;&lt; &quot;Found attribute type=&quot; &lt;&lt; AttrNames[atrType] &lt;&lt; &quot; length=&quot; &lt;&lt; attrLen &lt;&lt; endl;</span>
    261. 

  261. <a name="l00220"></a>00220       <span class="keywordflow">if</span> ( attrLen+4 &gt; size )
    262. 

  262. <a name="l00221"></a>00221       {
    263. 

  263. <a name="l00222"></a>00222          clog &lt;&lt; <span class="stringliteral">&quot;claims attribute is larger than size of message &quot;</span>
    264. 

  264. <a name="l00223"></a>00223               &lt;&lt;<span class="stringliteral">&quot;(attribute type=&quot;</span>&lt;&lt;atrType&lt;&lt;<span class="stringliteral">&quot;)&quot;</span>&lt;&lt; endl;
    265. 

  265. <a name="l00224"></a>00224          <span class="keywordflow">return</span> <span class="keyword">false</span>;
    266. 

  266. <a name="l00225"></a>00225       }
    267. 

  267. <a name="l00226"></a>00226 
    268. 

  268. <a name="l00227"></a>00227       body += 4; <span class="comment">// skip the length and type in attribute header</span>
    269. 

  269. <a name="l00228"></a>00228       size -= 4;
    270. 

  270. <a name="l00229"></a>00229 
    271. 

  271. <a name="l00230"></a>00230       <span class="keywordflow">switch</span> ( atrType )
    272. 

  272. <a name="l00231"></a>00231       {
    273. 

  273. <a name="l00232"></a>00232          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a2479ede510923cc5e8a0c2da5558acc3">MappedAddress</a>:
    274. 

  274. <a name="l00233"></a>00233             msg.<a class="code" href="structStunMessage.html#a605889708c9696c60f1284b3c486ca18">hasMappedAddress</a> = <span class="keyword">true</span>;
    275. 

  275. <a name="l00234"></a>00234             <span class="keywordflow">if</span> ( <a class="code" href="stun_8cc.html#a16624b9ba3d6b2f1c821571fa467c544">stunParseAtrAddress</a>(  body,  attrLen,  msg.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a> )== <span class="keyword">false</span> )
    276. 

  276. <a name="l00235"></a>00235             {
    277. 

  277. <a name="l00236"></a>00236                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing MappedAddress&quot;</span> &lt;&lt; endl;
    278. 

  278. <a name="l00237"></a>00237                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    279. 

  279. <a name="l00238"></a>00238             }
    280. 

  280. <a name="l00239"></a>00239             <span class="keywordflow">else</span>
    281. 

  281. <a name="l00240"></a>00240             {
    282. 

  282. <a name="l00241"></a>00241                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;MappedAddress = &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    283. 

  283. <a name="l00242"></a>00242             }
    284. 

  284. <a name="l00243"></a>00243 
    285. 

  285. <a name="l00244"></a>00244             <span class="keywordflow">break</span>;
    286. 

  286. <a name="l00245"></a>00245 
    287. 

  287. <a name="l00246"></a>00246          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a91ab7c5c3d71a86a77679d0d2786fae8">ResponseAddress</a>:
    288. 

  288. <a name="l00247"></a>00247             msg.<a class="code" href="structStunMessage.html#ab7926e7d5ceb2d9c3337439ec89ec87d">hasResponseAddress</a> = <span class="keyword">true</span>;
    289. 

  289. <a name="l00248"></a>00248             <span class="keywordflow">if</span> ( <a class="code" href="stun_8cc.html#a16624b9ba3d6b2f1c821571fa467c544">stunParseAtrAddress</a>(  body,  attrLen,  msg.<a class="code" href="structStunMessage.html#adb06537683f153438687995e8d1783c6">responseAddress</a> )== <span class="keyword">false</span> )
    290. 

  290. <a name="l00249"></a>00249             {
    291. 

  291. <a name="l00250"></a>00250                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing ResponseAddress&quot;</span> &lt;&lt; endl;
    292. 

  292. <a name="l00251"></a>00251                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    293. 

  293. <a name="l00252"></a>00252             }
    294. 

  294. <a name="l00253"></a>00253             <span class="keywordflow">else</span>
    295. 

  295. <a name="l00254"></a>00254             {
    296. 

  296. <a name="l00255"></a>00255                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;ResponseAddress = &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#adb06537683f153438687995e8d1783c6">responseAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    297. 

  297. <a name="l00256"></a>00256             }
    298. 

  298. <a name="l00257"></a>00257             <span class="keywordflow">break</span>;
    299. 

  299. <a name="l00258"></a>00258 
    300. 

  300. <a name="l00259"></a>00259          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a6183c3f6e20ddc5bf9acd531d37c4b08">ChangeRequest</a>:
    301. 

  301. <a name="l00260"></a>00260             msg.<a class="code" href="structStunMessage.html#a0fe2488f060fe65507c9a58bbb66899f">hasChangeRequest</a> = <span class="keyword">true</span>;
    302. 

  302. <a name="l00261"></a>00261             <span class="keywordflow">if</span> (<a class="code" href="stun_8cc.html#af2f9f10bd394cb42037f1997266b978a">stunParseAtrChangeRequest</a>( body, attrLen, msg.<a class="code" href="structStunMessage.html#a65e5de40376764ea12d96f5b5ebe2c29">changeRequest</a>) == <span class="keyword">false</span>)
    303. 

  303. <a name="l00262"></a>00262             {
    304. 

  304. <a name="l00263"></a>00263                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing ChangeRequest&quot;</span> &lt;&lt; endl;
    305. 

  305. <a name="l00264"></a>00264                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    306. 

  306. <a name="l00265"></a>00265             }
    307. 

  307. <a name="l00266"></a>00266             <span class="keywordflow">else</span>
    308. 

  308. <a name="l00267"></a>00267             {
    309. 

  309. <a name="l00268"></a>00268                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;ChangeRequest = &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#a65e5de40376764ea12d96f5b5ebe2c29">changeRequest</a>.<a class="code" href="structStunAtrChangeRequest.html#adbb006a8e7cc0637d01959c8ba985c0c">value</a> &lt;&lt; endl;
    310. 

  310. <a name="l00269"></a>00269             }
    311. 

  311. <a name="l00270"></a>00270             <span class="keywordflow">break</span>;
    312. 

  312. <a name="l00271"></a>00271 
    313. 

  313. <a name="l00272"></a>00272          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#ab2b81c4c09625b39c5a1d57ee2b460a4">SourceAddress</a>:
    314. 

  314. <a name="l00273"></a>00273             msg.<a class="code" href="structStunMessage.html#a5feb7431931118218d78642c4a7c83db">hasSourceAddress</a> = <span class="keyword">true</span>;
    315. 

  315. <a name="l00274"></a>00274             <span class="keywordflow">if</span> ( <a class="code" href="stun_8cc.html#a16624b9ba3d6b2f1c821571fa467c544">stunParseAtrAddress</a>(  body,  attrLen,  msg.<a class="code" href="structStunMessage.html#ab7203fc2e5a8b1248c9e14ce6e6ec313">sourceAddress</a> )== <span class="keyword">false</span> )
    316. 

  316. <a name="l00275"></a>00275             {
    317. 

  317. <a name="l00276"></a>00276                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing SourceAddress&quot;</span> &lt;&lt; endl;
    318. 

  318. <a name="l00277"></a>00277                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    319. 

  319. <a name="l00278"></a>00278             }
    320. 

  320. <a name="l00279"></a>00279             <span class="keywordflow">else</span>
    321. 

  321. <a name="l00280"></a>00280             {
    322. 

  322. <a name="l00281"></a>00281                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;SourceAddress = &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#ab7203fc2e5a8b1248c9e14ce6e6ec313">sourceAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    323. 

  323. <a name="l00282"></a>00282             }
    324. 

  324. <a name="l00283"></a>00283             <span class="keywordflow">break</span>;
    325. 

  325. <a name="l00284"></a>00284 
    326. 

  326. <a name="l00285"></a>00285          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a930a1eeda1f0620132bfdea315e711f7">ChangedAddress</a>:
    327. 

  327. <a name="l00286"></a>00286             msg.<a class="code" href="structStunMessage.html#a4d3036e012cce04e6be670898f4e24eb">hasChangedAddress</a> = <span class="keyword">true</span>;
    328. 

  328. <a name="l00287"></a>00287             <span class="keywordflow">if</span> ( <a class="code" href="stun_8cc.html#a16624b9ba3d6b2f1c821571fa467c544">stunParseAtrAddress</a>(  body,  attrLen,  msg.<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a> )== <span class="keyword">false</span> )
    329. 

  329. <a name="l00288"></a>00288             {
    330. 

  330. <a name="l00289"></a>00289                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing ChangedAddress&quot;</span> &lt;&lt; endl;
    331. 

  331. <a name="l00290"></a>00290                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    332. 

  332. <a name="l00291"></a>00291             }
    333. 

  333. <a name="l00292"></a>00292             <span class="keywordflow">else</span>
    334. 

  334. <a name="l00293"></a>00293             {
    335. 

  335. <a name="l00294"></a>00294                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;ChangedAddress = &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    336. 

  336. <a name="l00295"></a>00295             }
    337. 

  337. <a name="l00296"></a>00296             <span class="keywordflow">break</span>;
    338. 

  338. <a name="l00297"></a>00297 
    339. 

  339. <a name="l00298"></a>00298          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a0845232ed07b469d1262348e1618b962">Username</a>:
    340. 

  340. <a name="l00299"></a>00299             msg.<a class="code" href="structStunMessage.html#a2a22a4f1560b25fcf5247647885bab3c">hasUsername</a> = <span class="keyword">true</span>;
    341. 

  341. <a name="l00300"></a>00300             <span class="keywordflow">if</span> (<a class="code" href="stun_8cc.html#a2c161a60854ecb6fe959dff3fe422310">stunParseAtrString</a>( body, attrLen, msg.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>) == <span class="keyword">false</span>)
    342. 

  342. <a name="l00301"></a>00301             {
    343. 

  343. <a name="l00302"></a>00302                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing Username&quot;</span> &lt;&lt; endl;
    344. 

  344. <a name="l00303"></a>00303                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    345. 

  345. <a name="l00304"></a>00304             }
    346. 

  346. <a name="l00305"></a>00305             <span class="keywordflow">else</span>
    347. 

  347. <a name="l00306"></a>00306             {
    348. 

  348. <a name="l00307"></a>00307                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Username = &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a> &lt;&lt; endl;
    349. 

  349. <a name="l00308"></a>00308             }
    350. 

  350. <a name="l00309"></a>00309 
    351. 

  351. <a name="l00310"></a>00310             <span class="keywordflow">break</span>;
    352. 

  352. <a name="l00311"></a>00311 
    353. 

  353. <a name="l00312"></a>00312          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a1741d36983135a1f2eefa1b1473956a2">Password</a>:
    354. 

  354. <a name="l00313"></a>00313             msg.<a class="code" href="structStunMessage.html#ac09b6e5f081db9f5ec2c1a4532676366">hasPassword</a> = <span class="keyword">true</span>;
    355. 

  355. <a name="l00314"></a>00314             <span class="keywordflow">if</span> (<a class="code" href="stun_8cc.html#a2c161a60854ecb6fe959dff3fe422310">stunParseAtrString</a>( body, attrLen, msg.<a class="code" href="structStunMessage.html#aa15cab0d5b2a9a044895e81d527c1b68">password</a>) == <span class="keyword">false</span>)
    356. 

  356. <a name="l00315"></a>00315             {
    357. 

  357. <a name="l00316"></a>00316                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing Password&quot;</span> &lt;&lt; endl;
    358. 

  358. <a name="l00317"></a>00317                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    359. 

  359. <a name="l00318"></a>00318             }
    360. 

  360. <a name="l00319"></a>00319             <span class="keywordflow">else</span>
    361. 

  361. <a name="l00320"></a>00320             {
    362. 

  362. <a name="l00321"></a>00321                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Password = &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#aa15cab0d5b2a9a044895e81d527c1b68">password</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a> &lt;&lt; endl;
    363. 

  363. <a name="l00322"></a>00322             }
    364. 

  364. <a name="l00323"></a>00323             <span class="keywordflow">break</span>;
    365. 

  365. <a name="l00324"></a>00324 
    366. 

  366. <a name="l00325"></a>00325          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a0371caac677f72f19ea073dd152197f0">MessageIntegrity</a>:
    367. 

  367. <a name="l00326"></a>00326             msg.<a class="code" href="structStunMessage.html#a2a47413181e29d0de7063d4bfa6609ff">hasMessageIntegrity</a> = <span class="keyword">true</span>;
    368. 

  368. <a name="l00327"></a>00327             <span class="keywordflow">if</span> (<a class="code" href="stun_8cc.html#a4e7e4c29e1424831e001c9ffa9b74b53">stunParseAtrIntegrity</a>( body, attrLen, msg.<a class="code" href="structStunMessage.html#a1b2c965443dc78688973c049713072d0">messageIntegrity</a>) == <span class="keyword">false</span>)
    369. 

  369. <a name="l00328"></a>00328             {
    370. 

  370. <a name="l00329"></a>00329                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing MessageIntegrity&quot;</span> &lt;&lt; endl;
    371. 

  371. <a name="l00330"></a>00330                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    372. 

  372. <a name="l00331"></a>00331             }
    373. 

  373. <a name="l00332"></a>00332             <span class="keywordflow">else</span>
    374. 

  374. <a name="l00333"></a>00333             {
    375. 

  375. <a name="l00334"></a>00334                <span class="comment">//if (verbose) clog &lt;&lt; &quot;MessageIntegrity = &quot; &lt;&lt; msg.messageIntegrity.hash &lt;&lt; endl;</span>
    376. 

  376. <a name="l00335"></a>00335             }
    377. 

  377. <a name="l00336"></a>00336 
    378. 

  378. <a name="l00337"></a>00337             <span class="comment">// read the current HMAC</span>
    379. 

  379. <a name="l00338"></a>00338             <span class="comment">// look up the password given the user of given the transaction id</span>
    380. 

  380. <a name="l00339"></a>00339             <span class="comment">// compute the HMAC on the buffer</span>
    381. 

  381. <a name="l00340"></a>00340             <span class="comment">// decide if they match or not</span>
    382. 

  382. <a name="l00341"></a>00341             <span class="keywordflow">break</span>;
    383. 

  383. <a name="l00342"></a>00342 
    384. 

  384. <a name="l00343"></a>00343          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a750ec1534b2aebc05c90b9e6fe9532c7">ErrorCode</a>:
    385. 

  385. <a name="l00344"></a>00344             msg.<a class="code" href="structStunMessage.html#afe66349979726d392fa4f0c9c84ebedf">hasErrorCode</a> = <span class="keyword">true</span>;
    386. 

  386. <a name="l00345"></a>00345             <span class="keywordflow">if</span> (<a class="code" href="stun_8cc.html#afdf35a5dc5c3d6b7109c290308e32887">stunParseAtrError</a>(body, attrLen, msg.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>) == <span class="keyword">false</span>)
    387. 

  387. <a name="l00346"></a>00346             {
    388. 

  388. <a name="l00347"></a>00347                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing ErrorCode&quot;</span> &lt;&lt; endl;
    389. 

  389. <a name="l00348"></a>00348                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    390. 

  390. <a name="l00349"></a>00349             }
    391. 

  391. <a name="l00350"></a>00350             <span class="keywordflow">else</span>
    392. 

  392. <a name="l00351"></a>00351             {
    393. 

  393. <a name="l00352"></a>00352                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;ErrorCode = &quot;</span> &lt;&lt; int(msg.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#aef65890aa74d342d326ea74000064be5">errorClass</a>)
    394. 

  394. <a name="l00353"></a>00353                                  &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; int(msg.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#abdee224c138f23ad06aeb97ed9d6e0fe">number</a>)
    395. 

  395. <a name="l00354"></a>00354                                  &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#a3bb11d3802d0bfe65a153d8a6bccd472">reason</a> &lt;&lt; endl;
    396. 

  396. <a name="l00355"></a>00355             }
    397. 

  397. <a name="l00356"></a>00356 
    398. 

  398. <a name="l00357"></a>00357             <span class="keywordflow">break</span>;
    399. 

  399. <a name="l00358"></a>00358 
    400. 

  400. <a name="l00359"></a>00359          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#ac5d0f4ecd6bc741747a3ff79b6e5a96c">UnknownAttribute</a>:
    401. 

  401. <a name="l00360"></a>00360             msg.<a class="code" href="structStunMessage.html#a29507d464e9900ced2ce92c75bb158a4">hasUnknownAttributes</a> = <span class="keyword">true</span>;
    402. 

  402. <a name="l00361"></a>00361             <span class="keywordflow">if</span> (<a class="code" href="stun_8cc.html#a739d3cc61a2a1609b96d535ae74a6221">stunParseAtrUnknown</a>(body, attrLen, msg.<a class="code" href="structStunMessage.html#a40311e31449afb24c3e40db8c8fc6911">unknownAttributes</a>) == <span class="keyword">false</span>)
    403. 

  403. <a name="l00362"></a>00362             {
    404. 

  404. <a name="l00363"></a>00363                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing UnknownAttribute&quot;</span> &lt;&lt; endl;
    405. 

  405. <a name="l00364"></a>00364                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    406. 

  406. <a name="l00365"></a>00365             }
    407. 

  407. <a name="l00366"></a>00366             <span class="keywordflow">break</span>;
    408. 

  408. <a name="l00367"></a>00367 
    409. 

  409. <a name="l00368"></a>00368          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a11d1c4b717d340b20582ac7dead1cd49">ReflectedFrom</a>:
    410. 

  410. <a name="l00369"></a>00369             msg.<a class="code" href="structStunMessage.html#ab88124a21ca8562a44a696ed4b39fa4f">hasReflectedFrom</a> = <span class="keyword">true</span>;
    411. 

  411. <a name="l00370"></a>00370             <span class="keywordflow">if</span> ( <a class="code" href="stun_8cc.html#a16624b9ba3d6b2f1c821571fa467c544">stunParseAtrAddress</a>(  body,  attrLen,  msg.<a class="code" href="structStunMessage.html#ab80a59189b1b938698339f788417f32b">reflectedFrom</a> ) == <span class="keyword">false</span> )
    412. 

  412. <a name="l00371"></a>00371             {
    413. 

  413. <a name="l00372"></a>00372                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing ReflectedFrom&quot;</span> &lt;&lt; endl;
    414. 

  414. <a name="l00373"></a>00373                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    415. 

  415. <a name="l00374"></a>00374             }
    416. 

  416. <a name="l00375"></a>00375             <span class="keywordflow">break</span>;
    417. 

  417. <a name="l00376"></a>00376 
    418. 

  418. <a name="l00377"></a>00377          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#afd742381f8d8131e21dac399b8a26c3a">XorMappedAddress</a>:
    419. 

  419. <a name="l00378"></a>00378             msg.<a class="code" href="structStunMessage.html#a8e149870681eebee0a55b0f630c89471">hasXorMappedAddress</a> = <span class="keyword">true</span>;
    420. 

  420. <a name="l00379"></a>00379             <span class="keywordflow">if</span> ( <a class="code" href="stun_8cc.html#a16624b9ba3d6b2f1c821571fa467c544">stunParseAtrAddress</a>(  body,  attrLen,  msg.<a class="code" href="structStunMessage.html#a2ef5db0ff5bd395800262b8b9d49b6bb">xorMappedAddress</a> ) == <span class="keyword">false</span> )
    421. 

  421. <a name="l00380"></a>00380             {
    422. 

  422. <a name="l00381"></a>00381                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing XorMappedAddress&quot;</span> &lt;&lt; endl;
    423. 

  423. <a name="l00382"></a>00382                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    424. 

  424. <a name="l00383"></a>00383             }
    425. 

  425. <a name="l00384"></a>00384             <span class="keywordflow">else</span>
    426. 

  426. <a name="l00385"></a>00385             {
    427. 

  427. <a name="l00386"></a>00386                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;XorMappedAddress = &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    428. 

  428. <a name="l00387"></a>00387             }
    429. 

  429. <a name="l00388"></a>00388             <span class="keywordflow">break</span>;
    430. 

  430. <a name="l00389"></a>00389 
    431. 

  431. <a name="l00390"></a>00390          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a615f23f67cf9c716c91fa445e272da3c">XorOnly</a>:
    432. 

  432. <a name="l00391"></a>00391             msg.<a class="code" href="structStunMessage.html#ad2d3b64955956272841f656fe354aa18">xorOnly</a> = <span class="keyword">true</span>;
    433. 

  433. <a name="l00392"></a>00392             <span class="keywordflow">if</span> (verbose)
    434. 

  434. <a name="l00393"></a>00393             {
    435. 

  435. <a name="l00394"></a>00394                clog &lt;&lt; <span class="stringliteral">&quot;xorOnly = true&quot;</span> &lt;&lt; endl;
    436. 

  436. <a name="l00395"></a>00395             }
    437. 

  437. <a name="l00396"></a>00396             <span class="keywordflow">break</span>;
    438. 

  438. <a name="l00397"></a>00397 
    439. 

  439. <a name="l00398"></a>00398          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a53f47b517798fa3e1b64313d04168ea2">ServerName</a>:
    440. 

  440. <a name="l00399"></a>00399             msg.<a class="code" href="structStunMessage.html#afcf544b5b0663edad215525b8bcd67df">hasServerName</a> = <span class="keyword">true</span>;
    441. 

  441. <a name="l00400"></a>00400             <span class="keywordflow">if</span> (<a class="code" href="stun_8cc.html#a2c161a60854ecb6fe959dff3fe422310">stunParseAtrString</a>( body, attrLen, msg.<a class="code" href="structStunMessage.html#a1998c160a79020e146957c14ae1add11">serverName</a>) == <span class="keyword">false</span>)
    442. 

  442. <a name="l00401"></a>00401             {
    443. 

  443. <a name="l00402"></a>00402                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing ServerName&quot;</span> &lt;&lt; endl;
    444. 

  444. <a name="l00403"></a>00403                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    445. 

  445. <a name="l00404"></a>00404             }
    446. 

  446. <a name="l00405"></a>00405             <span class="keywordflow">else</span>
    447. 

  447. <a name="l00406"></a>00406             {
    448. 

  448. <a name="l00407"></a>00407                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;ServerName = &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#a1998c160a79020e146957c14ae1add11">serverName</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a> &lt;&lt; endl;
    449. 

  449. <a name="l00408"></a>00408             }
    450. 

  450. <a name="l00409"></a>00409             <span class="keywordflow">break</span>;
    451. 

  451. <a name="l00410"></a>00410 
    452. 

  452. <a name="l00411"></a>00411          <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a4d77a59e0dc2c3c06deb3730baa78f80">SecondaryAddress</a>:
    453. 

  453. <a name="l00412"></a>00412             msg.<a class="code" href="structStunMessage.html#ace894f36510487ec8151609513974eba">hasSecondaryAddress</a> = <span class="keyword">true</span>;
    454. 

  454. <a name="l00413"></a>00413             <span class="keywordflow">if</span> ( <a class="code" href="stun_8cc.html#a16624b9ba3d6b2f1c821571fa467c544">stunParseAtrAddress</a>(  body,  attrLen,  msg.<a class="code" href="structStunMessage.html#a8fc16bd394228aa6fa6e1f5f98c356c1">secondaryAddress</a> ) == <span class="keyword">false</span> )
    455. 

  455. <a name="l00414"></a>00414             {
    456. 

  456. <a name="l00415"></a>00415                clog &lt;&lt; <span class="stringliteral">&quot;problem parsing secondaryAddress&quot;</span> &lt;&lt; endl;
    457. 

  457. <a name="l00416"></a>00416                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    458. 

  458. <a name="l00417"></a>00417             }
    459. 

  459. <a name="l00418"></a>00418             <span class="keywordflow">else</span>
    460. 

  460. <a name="l00419"></a>00419             {
    461. 

  461. <a name="l00420"></a>00420                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;SecondaryAddress = &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#a8fc16bd394228aa6fa6e1f5f98c356c1">secondaryAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    462. 

  462. <a name="l00421"></a>00421             }
    463. 

  463. <a name="l00422"></a>00422             <span class="keywordflow">break</span>;
    464. 

  464. <a name="l00423"></a>00423 
    465. 

  465. <a name="l00424"></a>00424          <span class="keywordflow">default</span>:
    466. 

  466. <a name="l00425"></a>00425             <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Unknown attribute: &quot;</span> &lt;&lt; atrType &lt;&lt; endl;
    467. 

  467. <a name="l00426"></a>00426             <span class="keywordflow">if</span> ( atrType &lt;= 0x7FFF )
    468. 

  468. <a name="l00427"></a>00427             {
    469. 

  469. <a name="l00428"></a>00428                <span class="keywordflow">return</span> <span class="keyword">false</span>;
    470. 

  470. <a name="l00429"></a>00429             }
    471. 

  471. <a name="l00430"></a>00430       }
    472. 

  472. <a name="l00431"></a>00431 
    473. 

  473. <a name="l00432"></a>00432       body += attrLen;
    474. 

  474. <a name="l00433"></a>00433       size -= attrLen;
    475. 

  475. <a name="l00434"></a>00434    }
    476. 

  476. <a name="l00435"></a>00435 
    477. 

  477. <a name="l00436"></a>00436    <span class="keywordflow">return</span> <span class="keyword">true</span>;
    478. 

  478. <a name="l00437"></a>00437 }
    479. 

  479. <a name="l00438"></a>00438 
    480. 

  480. <a name="l00439"></a>00439 
    481. 

  481. <a name="l00440"></a>00440 <span class="keyword">static</span> <span class="keywordtype">char</span>*
    482. 

  482. <a name="l00441"></a><a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">00441</a> <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(<span class="keywordtype">char</span>* buf, <a class="code" href="stun_8h.html#accc14a7c843716dfed734f3a03e8d2b6">UInt16</a> data)
    483. 

  483. <a name="l00442"></a>00442 {
    484. 

  484. <a name="l00443"></a>00443    <a class="code" href="stun_8h.html#accc14a7c843716dfed734f3a03e8d2b6">UInt16</a> ndata = htons(data);
    485. 

  485. <a name="l00444"></a>00444    memcpy(buf, reinterpret_cast&lt;void*&gt;(&amp;ndata), <span class="keyword">sizeof</span>(<a class="code" href="stun_8h.html#accc14a7c843716dfed734f3a03e8d2b6">UInt16</a>));
    486. 

  486. <a name="l00445"></a>00445    <span class="keywordflow">return</span> buf + <span class="keyword">sizeof</span>(UInt16);
    487. 

  487. <a name="l00446"></a>00446 }
    488. 

  488. <a name="l00447"></a>00447 
    489. 

  489. <a name="l00448"></a>00448 <span class="keyword">static</span> <span class="keywordtype">char</span>*
    490. 

  490. <a name="l00449"></a><a class="code" href="stun_8cc.html#a9d2486d010a2edf7a8ef74cc44f18de1">00449</a> <a class="code" href="stun_8cc.html#a9d2486d010a2edf7a8ef74cc44f18de1">encode32</a>(<span class="keywordtype">char</span>* buf, <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a> data)
    491. 

  491. <a name="l00450"></a>00450 {
    492. 

  492. <a name="l00451"></a>00451    <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a> ndata = htonl(data);
    493. 

  493. <a name="l00452"></a>00452    memcpy(buf, reinterpret_cast&lt;void*&gt;(&amp;ndata), <span class="keyword">sizeof</span>(<a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a>));
    494. 

  494. <a name="l00453"></a>00453    <span class="keywordflow">return</span> buf + <span class="keyword">sizeof</span>(UInt32);
    495. 

  495. <a name="l00454"></a>00454 }
    496. 

  496. <a name="l00455"></a>00455 
    497. 

  497. <a name="l00456"></a>00456 
    498. 

  498. <a name="l00457"></a>00457 <span class="keyword">static</span> <span class="keywordtype">char</span>*
    499. 

  499. <a name="l00458"></a><a class="code" href="stun_8cc.html#a32bf1e0d5e4833c497c540b4681dd808">00458</a> <a class="code" href="stun_8cc.html#a32bf1e0d5e4833c497c540b4681dd808">encode</a>(<span class="keywordtype">char</span>* buf, <span class="keyword">const</span> <span class="keywordtype">char</span>* data, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length)
    500. 

  500. <a name="l00459"></a>00459 {
    501. 

  501. <a name="l00460"></a>00460    memcpy(buf, data, length);
    502. 

  502. <a name="l00461"></a>00461    <span class="keywordflow">return</span> buf + length;
    503. 

  503. <a name="l00462"></a>00462 }
    504. 

  504. <a name="l00463"></a>00463 
    505. 

  505. <a name="l00464"></a>00464 
    506. 

  506. <a name="l00465"></a>00465 <span class="keyword">static</span> <span class="keywordtype">char</span>*
    507. 

  507. <a name="l00466"></a><a class="code" href="stun_8cc.html#a85ef119873a4b4a76012d89f1d6c23fb">00466</a> <a class="code" href="stun_8cc.html#a85ef119873a4b4a76012d89f1d6c23fb">encodeAtrAddress4</a>(<span class="keywordtype">char</span>* ptr, <a class="code" href="stun_8h.html#accc14a7c843716dfed734f3a03e8d2b6">UInt16</a> type, <span class="keyword">const</span> <a class="code" href="structStunAtrAddress4.html">StunAtrAddress4</a>&amp; atr)
    508. 

  508. <a name="l00467"></a>00467 {
    509. 

  509. <a name="l00468"></a>00468    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, type);
    510. 

  510. <a name="l00469"></a>00469    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, 8);
    511. 

  511. <a name="l00470"></a>00470    *ptr++ = atr.<a class="code" href="structStunAtrAddress4.html#afe6ed0534166b0fd194b23b01ddad7b4">pad</a>;
    512. 

  512. <a name="l00471"></a>00471    *ptr++ = <a class="code" href="stun_8h.html#ac2c7bc41e1b918c98583006fd7025bc5" title="define a structure to hold a stun address">IPv4Family</a>;
    513. 

  513. <a name="l00472"></a>00472    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, atr.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>);
    514. 

  514. <a name="l00473"></a>00473    ptr = <a class="code" href="stun_8cc.html#a9d2486d010a2edf7a8ef74cc44f18de1">encode32</a>(ptr, atr.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>);
    515. 

  515. <a name="l00474"></a>00474 
    516. 

  516. <a name="l00475"></a>00475    <span class="keywordflow">return</span> ptr;
    517. 

  517. <a name="l00476"></a>00476 }
    518. 

  518. <a name="l00477"></a>00477 
    519. 

  519. <a name="l00478"></a>00478 <span class="keyword">static</span> <span class="keywordtype">char</span>*
    520. 

  520. <a name="l00479"></a><a class="code" href="stun_8cc.html#a076612a210669e11d7c284f08b3a34b2">00479</a> <a class="code" href="stun_8cc.html#a076612a210669e11d7c284f08b3a34b2">encodeAtrChangeRequest</a>(<span class="keywordtype">char</span>* ptr, <span class="keyword">const</span> <a class="code" href="structStunAtrChangeRequest.html">StunAtrChangeRequest</a>&amp; atr)
    521. 

  521. <a name="l00480"></a>00480 {
    522. 

  522. <a name="l00481"></a>00481    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, <a class="code" href="stun_8h.html#a6183c3f6e20ddc5bf9acd531d37c4b08">ChangeRequest</a>);
    523. 

  523. <a name="l00482"></a>00482    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, 4);
    524. 

  524. <a name="l00483"></a>00483    ptr = <a class="code" href="stun_8cc.html#a9d2486d010a2edf7a8ef74cc44f18de1">encode32</a>(ptr, atr.<a class="code" href="structStunAtrChangeRequest.html#adbb006a8e7cc0637d01959c8ba985c0c">value</a>);
    525. 

  525. <a name="l00484"></a>00484    <span class="keywordflow">return</span> ptr;
    526. 

  526. <a name="l00485"></a>00485 }
    527. 

  527. <a name="l00486"></a>00486 
    528. 

  528. <a name="l00487"></a>00487 <span class="keyword">static</span> <span class="keywordtype">char</span>*
    529. 

  529. <a name="l00488"></a><a class="code" href="stun_8cc.html#a61a6cc411fa597374048437e28ddffdf">00488</a> <a class="code" href="stun_8cc.html#a61a6cc411fa597374048437e28ddffdf">encodeAtrError</a>(<span class="keywordtype">char</span>* ptr, <span class="keyword">const</span> <a class="code" href="structStunAtrError.html">StunAtrError</a>&amp; atr)
    530. 

  530. <a name="l00489"></a>00489 {
    531. 

  531. <a name="l00490"></a>00490    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, <a class="code" href="stun_8h.html#a750ec1534b2aebc05c90b9e6fe9532c7">ErrorCode</a>);
    532. 

  532. <a name="l00491"></a>00491    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, 6 + atr.<a class="code" href="structStunAtrError.html#adcac61cdac715d64ebaa78e6847e1108">sizeReason</a>);
    533. 

  533. <a name="l00492"></a>00492    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, atr.<a class="code" href="structStunAtrError.html#ae2d32994bcf7387452902e139f2b652f">pad</a>);
    534. 

  534. <a name="l00493"></a>00493    *ptr++ = atr.<a class="code" href="structStunAtrError.html#aef65890aa74d342d326ea74000064be5">errorClass</a>;
    535. 

  535. <a name="l00494"></a>00494    *ptr++ = atr.<a class="code" href="structStunAtrError.html#abdee224c138f23ad06aeb97ed9d6e0fe">number</a>;
    536. 

  536. <a name="l00495"></a>00495    ptr = <a class="code" href="stun_8cc.html#a32bf1e0d5e4833c497c540b4681dd808">encode</a>(ptr, atr.<a class="code" href="structStunAtrError.html#a3bb11d3802d0bfe65a153d8a6bccd472">reason</a>, atr.<a class="code" href="structStunAtrError.html#adcac61cdac715d64ebaa78e6847e1108">sizeReason</a>);
    537. 

  537. <a name="l00496"></a>00496    <span class="keywordflow">return</span> ptr;
    538. 

  538. <a name="l00497"></a>00497 }
    539. 

  539. <a name="l00498"></a>00498 
    540. 

  540. <a name="l00499"></a>00499 
    541. 

  541. <a name="l00500"></a>00500 <span class="keyword">static</span> <span class="keywordtype">char</span>*
    542. 

  542. <a name="l00501"></a><a class="code" href="stun_8cc.html#a09523c814cf26f59012e800713447143">00501</a> <a class="code" href="stun_8cc.html#a09523c814cf26f59012e800713447143">encodeAtrUnknown</a>(<span class="keywordtype">char</span>* ptr, <span class="keyword">const</span> <a class="code" href="structStunAtrUnknown.html">StunAtrUnknown</a>&amp; atr)
    543. 

  543. <a name="l00502"></a>00502 {
    544. 

  544. <a name="l00503"></a>00503    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, <a class="code" href="stun_8h.html#ac5d0f4ecd6bc741747a3ff79b6e5a96c">UnknownAttribute</a>);
    545. 

  545. <a name="l00504"></a>00504    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, 2+2*atr.<a class="code" href="structStunAtrUnknown.html#a39f2cca60b76d9476cd2a61a349e72d6">numAttributes</a>);
    546. 

  546. <a name="l00505"></a>00505    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;atr.<a class="code" href="structStunAtrUnknown.html#a39f2cca60b76d9476cd2a61a349e72d6">numAttributes</a>; i++)
    547. 

  547. <a name="l00506"></a>00506    {
    548. 

  548. <a name="l00507"></a>00507       ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, atr.<a class="code" href="structStunAtrUnknown.html#a2a9ac6afb38e1f951bc7cb8ec0b2a888">attrType</a>[i]);
    549. 

  549. <a name="l00508"></a>00508    }
    550. 

  550. <a name="l00509"></a>00509    <span class="keywordflow">return</span> ptr;
    551. 

  551. <a name="l00510"></a>00510 }
    552. 

  552. <a name="l00511"></a>00511 
    553. 

  553. <a name="l00512"></a>00512 
    554. 

  554. <a name="l00513"></a>00513 <span class="keyword">static</span> <span class="keywordtype">char</span>*
    555. 

  555. <a name="l00514"></a><a class="code" href="stun_8cc.html#a3d149acb0bcd480596ea26b73b47d05f">00514</a> <a class="code" href="stun_8cc.html#a3d149acb0bcd480596ea26b73b47d05f">encodeXorOnly</a>(<span class="keywordtype">char</span>* ptr)
    556. 

  556. <a name="l00515"></a>00515 {
    557. 

  557. <a name="l00516"></a>00516    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, <a class="code" href="stun_8h.html#a615f23f67cf9c716c91fa445e272da3c">XorOnly</a> );
    558. 

  558. <a name="l00517"></a>00517    <span class="keywordflow">return</span> ptr;
    559. 

  559. <a name="l00518"></a>00518 }
    560. 

  560. <a name="l00519"></a>00519 
    561. 

  561. <a name="l00520"></a>00520 
    562. 

  562. <a name="l00521"></a>00521 <span class="keyword">static</span> <span class="keywordtype">char</span>*
    563. 

  563. <a name="l00522"></a><a class="code" href="stun_8cc.html#a765920e3cdcc343b0ed69a8fab4a1736">00522</a> <a class="code" href="stun_8cc.html#a765920e3cdcc343b0ed69a8fab4a1736">encodeAtrString</a>(<span class="keywordtype">char</span>* ptr, <a class="code" href="stun_8h.html#accc14a7c843716dfed734f3a03e8d2b6">UInt16</a> type, <span class="keyword">const</span> <a class="code" href="structStunAtrString.html">StunAtrString</a>&amp; atr)
    564. 

  564. <a name="l00523"></a>00523 {
    565. 

  565. <a name="l00524"></a>00524    assert(atr.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> % 4 == 0);
    566. 

  566. <a name="l00525"></a>00525 
    567. 

  567. <a name="l00526"></a>00526    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, type);
    568. 

  568. <a name="l00527"></a>00527    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, atr.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a>);
    569. 

  569. <a name="l00528"></a>00528    ptr = <a class="code" href="stun_8cc.html#a32bf1e0d5e4833c497c540b4681dd808">encode</a>(ptr, atr.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>, atr.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a>);
    570. 

  570. <a name="l00529"></a>00529    <span class="keywordflow">return</span> ptr;
    571. 

  571. <a name="l00530"></a>00530 }
    572. 

  572. <a name="l00531"></a>00531 
    573. 

  573. <a name="l00532"></a>00532 
    574. 

  574. <a name="l00533"></a>00533 <span class="keyword">static</span> <span class="keywordtype">char</span>*
    575. 

  575. <a name="l00534"></a><a class="code" href="stun_8cc.html#ad58a0afd3626cc03abb1d92edbf6c4d3">00534</a> <a class="code" href="stun_8cc.html#ad58a0afd3626cc03abb1d92edbf6c4d3">encodeAtrIntegrity</a>(<span class="keywordtype">char</span>* ptr, <span class="keyword">const</span> <a class="code" href="structStunAtrIntegrity.html">StunAtrIntegrity</a>&amp; atr)
    576. 

  576. <a name="l00535"></a>00535 {
    577. 

  577. <a name="l00536"></a>00536    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, <a class="code" href="stun_8h.html#a0371caac677f72f19ea073dd152197f0">MessageIntegrity</a>);
    578. 

  578. <a name="l00537"></a>00537    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, 20);
    579. 

  579. <a name="l00538"></a>00538    ptr = <a class="code" href="stun_8cc.html#a32bf1e0d5e4833c497c540b4681dd808">encode</a>(ptr, atr.<a class="code" href="structStunAtrIntegrity.html#a584fa6b758583be87dfad5c10da9fd44">hash</a>, <span class="keyword">sizeof</span>(atr.<a class="code" href="structStunAtrIntegrity.html#a584fa6b758583be87dfad5c10da9fd44">hash</a>));
    580. 

  580. <a name="l00539"></a>00539    <span class="keywordflow">return</span> ptr;
    581. 

  581. <a name="l00540"></a>00540 }
    582. 

  582. <a name="l00541"></a>00541 
    583. 

  583. <a name="l00542"></a>00542 
    584. 

  584. <a name="l00543"></a>00543 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>
    585. 

  585. <a name="l00544"></a><a class="code" href="stun_8h.html#a66298d81441f17d6fdd2aa4a4ced894d">00544</a> <a class="code" href="stun_8cc.html#a4f9e869279d41bbf1785d321b4360f61">stunEncodeMessage</a>( <span class="keyword">const</span> <a class="code" href="structStunMessage.html">StunMessage</a>&amp; msg,
    586. 

  586. <a name="l00545"></a>00545                    <span class="keywordtype">char</span>* buf,
    587. 

  587. <a name="l00546"></a>00546                    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bufLen,
    588. 

  588. <a name="l00547"></a>00547                    <span class="keyword">const</span> <a class="code" href="structStunAtrString.html">StunAtrString</a>&amp; password,
    589. 

  589. <a name="l00548"></a>00548                    <span class="keywordtype">bool</span> verbose)
    590. 

  590. <a name="l00549"></a>00549 {
    591. 

  591. <a name="l00550"></a>00550    assert(bufLen &gt;= <span class="keyword">sizeof</span>(<a class="code" href="structStunMsgHdr.html">StunMsgHdr</a>));
    592. 

  592. <a name="l00551"></a>00551    <span class="keywordtype">char</span>* ptr = buf;
    593. 

  593. <a name="l00552"></a>00552 
    594. 

  594. <a name="l00553"></a>00553    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, msg.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a7cc96e6cbb87582e56f298eb891c43e2">msgType</a>);
    595. 

  595. <a name="l00554"></a>00554    <span class="keywordtype">char</span>* lengthp = ptr;
    596. 

  596. <a name="l00555"></a>00555    ptr = <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(ptr, 0);
    597. 

  597. <a name="l00556"></a>00556    ptr = <a class="code" href="stun_8cc.html#a32bf1e0d5e4833c497c540b4681dd808">encode</a>(ptr, reinterpret_cast&lt;const char*&gt;(msg.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>), <span class="keyword">sizeof</span>(msg.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>));
    598. 

  598. <a name="l00557"></a>00557 
    599. 

  599. <a name="l00558"></a>00558    <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding stun message: &quot;</span> &lt;&lt; endl;
    600. 

  600. <a name="l00559"></a>00559    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#a605889708c9696c60f1284b3c486ca18">hasMappedAddress</a>)
    601. 

  601. <a name="l00560"></a>00560    {
    602. 

  602. <a name="l00561"></a>00561       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding MappedAddress: &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    603. 

  603. <a name="l00562"></a>00562       ptr = <a class="code" href="stun_8cc.html#a85ef119873a4b4a76012d89f1d6c23fb">encodeAtrAddress4</a> (ptr, <a class="code" href="stun_8h.html#a2479ede510923cc5e8a0c2da5558acc3">MappedAddress</a>, msg.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>);
    604. 

  604. <a name="l00563"></a>00563    }
    605. 

  605. <a name="l00564"></a>00564    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#ab7926e7d5ceb2d9c3337439ec89ec87d">hasResponseAddress</a>)
    606. 

  606. <a name="l00565"></a>00565    {
    607. 

  607. <a name="l00566"></a>00566       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding ResponseAddress: &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#adb06537683f153438687995e8d1783c6">responseAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    608. 

  608. <a name="l00567"></a>00567       ptr = <a class="code" href="stun_8cc.html#a85ef119873a4b4a76012d89f1d6c23fb">encodeAtrAddress4</a>(ptr, <a class="code" href="stun_8h.html#a91ab7c5c3d71a86a77679d0d2786fae8">ResponseAddress</a>, msg.<a class="code" href="structStunMessage.html#adb06537683f153438687995e8d1783c6">responseAddress</a>);
    609. 

  609. <a name="l00568"></a>00568    }
    610. 

  610. <a name="l00569"></a>00569    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#a0fe2488f060fe65507c9a58bbb66899f">hasChangeRequest</a>)
    611. 

  611. <a name="l00570"></a>00570    {
    612. 

  612. <a name="l00571"></a>00571       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding ChangeRequest: &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#a65e5de40376764ea12d96f5b5ebe2c29">changeRequest</a>.<a class="code" href="structStunAtrChangeRequest.html#adbb006a8e7cc0637d01959c8ba985c0c">value</a> &lt;&lt; endl;
    613. 

  613. <a name="l00572"></a>00572       ptr = <a class="code" href="stun_8cc.html#a076612a210669e11d7c284f08b3a34b2">encodeAtrChangeRequest</a>(ptr, msg.<a class="code" href="structStunMessage.html#a65e5de40376764ea12d96f5b5ebe2c29">changeRequest</a>);
    614. 

  614. <a name="l00573"></a>00573    }
    615. 

  615. <a name="l00574"></a>00574    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#a5feb7431931118218d78642c4a7c83db">hasSourceAddress</a>)
    616. 

  616. <a name="l00575"></a>00575    {
    617. 

  617. <a name="l00576"></a>00576       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding SourceAddress: &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#ab7203fc2e5a8b1248c9e14ce6e6ec313">sourceAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    618. 

  618. <a name="l00577"></a>00577       ptr = <a class="code" href="stun_8cc.html#a85ef119873a4b4a76012d89f1d6c23fb">encodeAtrAddress4</a>(ptr, <a class="code" href="stun_8h.html#ab2b81c4c09625b39c5a1d57ee2b460a4">SourceAddress</a>, msg.<a class="code" href="structStunMessage.html#ab7203fc2e5a8b1248c9e14ce6e6ec313">sourceAddress</a>);
    619. 

  619. <a name="l00578"></a>00578    }
    620. 

  620. <a name="l00579"></a>00579    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#a4d3036e012cce04e6be670898f4e24eb">hasChangedAddress</a>)
    621. 

  621. <a name="l00580"></a>00580    {
    622. 

  622. <a name="l00581"></a>00581       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding ChangedAddress: &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    623. 

  623. <a name="l00582"></a>00582       ptr = <a class="code" href="stun_8cc.html#a85ef119873a4b4a76012d89f1d6c23fb">encodeAtrAddress4</a>(ptr, <a class="code" href="stun_8h.html#a930a1eeda1f0620132bfdea315e711f7">ChangedAddress</a>, msg.<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a>);
    624. 

  624. <a name="l00583"></a>00583    }
    625. 

  625. <a name="l00584"></a>00584    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#a2a22a4f1560b25fcf5247647885bab3c">hasUsername</a>)
    626. 

  626. <a name="l00585"></a>00585    {
    627. 

  627. <a name="l00586"></a>00586       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding Username: &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a> &lt;&lt; endl;
    628. 

  628. <a name="l00587"></a>00587       ptr = <a class="code" href="stun_8cc.html#a765920e3cdcc343b0ed69a8fab4a1736">encodeAtrString</a>(ptr, <a class="code" href="stun_8h.html#a0845232ed07b469d1262348e1618b962">Username</a>, msg.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>);
    629. 

  629. <a name="l00588"></a>00588    }
    630. 

  630. <a name="l00589"></a>00589    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#ac09b6e5f081db9f5ec2c1a4532676366">hasPassword</a>)
    631. 

  631. <a name="l00590"></a>00590    {
    632. 

  632. <a name="l00591"></a>00591       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding Password: &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#aa15cab0d5b2a9a044895e81d527c1b68">password</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a> &lt;&lt; endl;
    633. 

  633. <a name="l00592"></a>00592       ptr = <a class="code" href="stun_8cc.html#a765920e3cdcc343b0ed69a8fab4a1736">encodeAtrString</a>(ptr, <a class="code" href="stun_8h.html#a1741d36983135a1f2eefa1b1473956a2">Password</a>, msg.<a class="code" href="structStunMessage.html#aa15cab0d5b2a9a044895e81d527c1b68">password</a>);
    634. 

  634. <a name="l00593"></a>00593    }
    635. 

  635. <a name="l00594"></a>00594    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#afe66349979726d392fa4f0c9c84ebedf">hasErrorCode</a>)
    636. 

  636. <a name="l00595"></a>00595    {
    637. 

  637. <a name="l00596"></a>00596       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding ErrorCode: class=&quot;</span>
    638. 

  638. <a name="l00597"></a>00597                         &lt;&lt; int(msg.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#aef65890aa74d342d326ea74000064be5">errorClass</a>)
    639. 

  639. <a name="l00598"></a>00598                         &lt;&lt; <span class="stringliteral">&quot; number=&quot;</span> &lt;&lt; int(msg.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#abdee224c138f23ad06aeb97ed9d6e0fe">number</a>)
    640. 

  640. <a name="l00599"></a>00599                         &lt;&lt; <span class="stringliteral">&quot; reason=&quot;</span>
    641. 

  641. <a name="l00600"></a>00600                         &lt;&lt; msg.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#a3bb11d3802d0bfe65a153d8a6bccd472">reason</a>
    642. 

  642. <a name="l00601"></a>00601                         &lt;&lt; endl;
    643. 

  643. <a name="l00602"></a>00602 
    644. 

  644. <a name="l00603"></a>00603       ptr = <a class="code" href="stun_8cc.html#a61a6cc411fa597374048437e28ddffdf">encodeAtrError</a>(ptr, msg.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>);
    645. 

  645. <a name="l00604"></a>00604    }
    646. 

  646. <a name="l00605"></a>00605    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#a29507d464e9900ced2ce92c75bb158a4">hasUnknownAttributes</a>)
    647. 

  647. <a name="l00606"></a>00606    {
    648. 

  648. <a name="l00607"></a>00607       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding UnknownAttribute: ???&quot;</span> &lt;&lt; endl;
    649. 

  649. <a name="l00608"></a>00608       ptr = <a class="code" href="stun_8cc.html#a09523c814cf26f59012e800713447143">encodeAtrUnknown</a>(ptr, msg.<a class="code" href="structStunMessage.html#a40311e31449afb24c3e40db8c8fc6911">unknownAttributes</a>);
    650. 

  650. <a name="l00609"></a>00609    }
    651. 

  651. <a name="l00610"></a>00610    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#ab88124a21ca8562a44a696ed4b39fa4f">hasReflectedFrom</a>)
    652. 

  652. <a name="l00611"></a>00611    {
    653. 

  653. <a name="l00612"></a>00612       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding ReflectedFrom: &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#ab80a59189b1b938698339f788417f32b">reflectedFrom</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    654. 

  654. <a name="l00613"></a>00613       ptr = <a class="code" href="stun_8cc.html#a85ef119873a4b4a76012d89f1d6c23fb">encodeAtrAddress4</a>(ptr, <a class="code" href="stun_8h.html#a11d1c4b717d340b20582ac7dead1cd49">ReflectedFrom</a>, msg.<a class="code" href="structStunMessage.html#ab80a59189b1b938698339f788417f32b">reflectedFrom</a>);
    655. 

  655. <a name="l00614"></a>00614    }
    656. 

  656. <a name="l00615"></a>00615    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#a8e149870681eebee0a55b0f630c89471">hasXorMappedAddress</a>)
    657. 

  657. <a name="l00616"></a>00616    {
    658. 

  658. <a name="l00617"></a>00617       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding XorMappedAddress: &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#a2ef5db0ff5bd395800262b8b9d49b6bb">xorMappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    659. 

  659. <a name="l00618"></a>00618       ptr = <a class="code" href="stun_8cc.html#a85ef119873a4b4a76012d89f1d6c23fb">encodeAtrAddress4</a> (ptr, <a class="code" href="stun_8h.html#afd742381f8d8131e21dac399b8a26c3a">XorMappedAddress</a>, msg.<a class="code" href="structStunMessage.html#a2ef5db0ff5bd395800262b8b9d49b6bb">xorMappedAddress</a>);
    660. 

  660. <a name="l00619"></a>00619    }
    661. 

  661. <a name="l00620"></a>00620    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#ad2d3b64955956272841f656fe354aa18">xorOnly</a>)
    662. 

  662. <a name="l00621"></a>00621    {
    663. 

  663. <a name="l00622"></a>00622       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding xorOnly: &quot;</span> &lt;&lt; endl;
    664. 

  664. <a name="l00623"></a>00623       ptr = <a class="code" href="stun_8cc.html#a3d149acb0bcd480596ea26b73b47d05f">encodeXorOnly</a>( ptr );
    665. 

  665. <a name="l00624"></a>00624    }
    666. 

  666. <a name="l00625"></a>00625    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#afcf544b5b0663edad215525b8bcd67df">hasServerName</a>)
    667. 

  667. <a name="l00626"></a>00626    {
    668. 

  668. <a name="l00627"></a>00627       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding ServerName: &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#a1998c160a79020e146957c14ae1add11">serverName</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a> &lt;&lt; endl;
    669. 

  669. <a name="l00628"></a>00628       ptr = <a class="code" href="stun_8cc.html#a765920e3cdcc343b0ed69a8fab4a1736">encodeAtrString</a>(ptr, <a class="code" href="stun_8h.html#a53f47b517798fa3e1b64313d04168ea2">ServerName</a>, msg.<a class="code" href="structStunMessage.html#a1998c160a79020e146957c14ae1add11">serverName</a>);
    670. 

  670. <a name="l00629"></a>00629    }
    671. 

  671. <a name="l00630"></a>00630    <span class="keywordflow">if</span> (msg.<a class="code" href="structStunMessage.html#ace894f36510487ec8151609513974eba">hasSecondaryAddress</a>)
    672. 

  672. <a name="l00631"></a>00631    {
    673. 

  673. <a name="l00632"></a>00632       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Encoding SecondaryAddress: &quot;</span> &lt;&lt; msg.<a class="code" href="structStunMessage.html#a8fc16bd394228aa6fa6e1f5f98c356c1">secondaryAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    674. 

  674. <a name="l00633"></a>00633       ptr = <a class="code" href="stun_8cc.html#a85ef119873a4b4a76012d89f1d6c23fb">encodeAtrAddress4</a> (ptr, <a class="code" href="stun_8h.html#a4d77a59e0dc2c3c06deb3730baa78f80">SecondaryAddress</a>, msg.<a class="code" href="structStunMessage.html#a8fc16bd394228aa6fa6e1f5f98c356c1">secondaryAddress</a>);
    675. 

  675. <a name="l00634"></a>00634    }
    676. 

  676. <a name="l00635"></a>00635 
    677. 

  677. <a name="l00636"></a>00636    <span class="keywordflow">if</span> (password.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> &gt; 0)
    678. 

  678. <a name="l00637"></a>00637    {
    679. 

  679. <a name="l00638"></a>00638       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;HMAC with password: &quot;</span> &lt;&lt; password.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a> &lt;&lt; endl;
    680. 

  680. <a name="l00639"></a>00639 
    681. 

  681. <a name="l00640"></a>00640       <a class="code" href="structStunAtrIntegrity.html">StunAtrIntegrity</a> integrity;
    682. 

  682. <a name="l00641"></a>00641       <a class="code" href="stun_8cc.html#afdae90956a999518a90595e783525734">computeHmac</a>(integrity.<a class="code" href="structStunAtrIntegrity.html#a584fa6b758583be87dfad5c10da9fd44">hash</a>, buf, <span class="keywordtype">int</span>(ptr-buf) , password.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>, password.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a>);
    683. 

  683. <a name="l00642"></a>00642       ptr = <a class="code" href="stun_8cc.html#ad58a0afd3626cc03abb1d92edbf6c4d3">encodeAtrIntegrity</a>(ptr, integrity);
    684. 

  684. <a name="l00643"></a>00643    }
    685. 

  685. <a name="l00644"></a>00644    <span class="keywordflow">if</span> (verbose) clog &lt;&lt; endl;
    686. 

  686. <a name="l00645"></a>00645 
    687. 

  687. <a name="l00646"></a>00646    <a class="code" href="stun_8cc.html#a495405bc65a0788775febd87866ece36">encode16</a>(lengthp, <a class="code" href="stun_8h.html#accc14a7c843716dfed734f3a03e8d2b6">UInt16</a>(ptr - buf - <span class="keyword">sizeof</span>(<a class="code" href="structStunMsgHdr.html">StunMsgHdr</a>)));
    688. 

  688. <a name="l00647"></a>00647    <span class="keywordflow">return</span> int(ptr - buf);
    689. 

  689. <a name="l00648"></a>00648 }
    690. 

  690. <a name="l00649"></a>00649 
    691. 

  691. <a name="l00650"></a>00650 <span class="keywordtype">int</span>
    692. 

  692. <a name="l00651"></a><a class="code" href="stun_8h.html#a67e399c9420f09178de194bee0bde87a">00651</a> <a class="code" href="stun_8cc.html#a67e399c9420f09178de194bee0bde87a">stunRand</a>()
    693. 

  693. <a name="l00652"></a>00652 {
    694. 

  694. <a name="l00653"></a>00653    <span class="comment">// return 32 bits of random stuff</span>
    695. 

  695. <a name="l00654"></a>00654    assert( <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>) == 4 );
    696. 

  696. <a name="l00655"></a>00655    <span class="keyword">static</span> <span class="keywordtype">bool</span> init=<span class="keyword">false</span>;
    697. 

  697. <a name="l00656"></a>00656    <span class="keywordflow">if</span> ( !init )
    698. 

  698. <a name="l00657"></a>00657    {
    699. 

  699. <a name="l00658"></a>00658       init = <span class="keyword">true</span>;
    700. 

  700. <a name="l00659"></a>00659 
    701. 

  701. <a name="l00660"></a>00660       <a class="code" href="stun_8h.html#aa1d7d331b6d522d6d9840fece27108d8">UInt64</a> tick;
    702. 

  702. <a name="l00661"></a>00661 
    703. 

  703. <a name="l00662"></a>00662 <span class="preprocessor">#if defined(MSVC_WIN32)</span>
    704. 

  704. <a name="l00663"></a>00663 <span class="preprocessor"></span>      <span class="keyword">volatile</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> lowtick=0,hightick=0;
    705. 

  705. <a name="l00664"></a>00664       __asm
    706. 

  706. <a name="l00665"></a>00665          {
    707. 

  707. <a name="l00666"></a>00666             rdtsc
    708. 

  708. <a name="l00667"></a>00667                mov lowtick, eax
    709. 

  709. <a name="l00668"></a>00668                mov hightick, edx
    710. 

  710. <a name="l00669"></a>00669                }
    711. 

  711. <a name="l00670"></a>00670       tick = hightick;
    712. 

  712. <a name="l00671"></a>00671       tick &lt;&lt;= 32;
    713. 

  713. <a name="l00672"></a>00672       tick |= lowtick;
    714. 

  714. <a name="l00673"></a>00673 <span class="preprocessor">#elif (defined(WIN32) || defined(__GNUC__)) &amp;&amp; ( defined(__i686__) || defined(__i386__) || defined(__x86_64__) )</span>
    715. 

  715. <a name="l00674"></a>00674 <span class="preprocessor"></span>      <span class="keyword">asm</span>(<span class="stringliteral">&quot;rdtsc&quot;</span> : <span class="stringliteral">&quot;=A&quot;</span> (tick));
    716. 

  716. <a name="l00675"></a>00675 <span class="preprocessor">#elif defined (__SUNPRO_CC) || defined( __sparc__ )</span>
    717. 

  717. <a name="l00676"></a>00676 <span class="preprocessor"></span>      tick = gethrtime();
    718. 

  718. <a name="l00677"></a>00677 <span class="preprocessor">#elif defined(__MACH__)</span>
    719. 

  719. <a name="l00678"></a>00678 <span class="preprocessor"></span>      <span class="keywordtype">int</span> fd=open(<span class="stringliteral">&quot;/dev/random&quot;</span>,O_RDONLY);
    720. 

  720. <a name="l00679"></a>00679       read(fd,&amp;tick,<span class="keyword">sizeof</span>(tick));
    721. 

  721. <a name="l00680"></a>00680       <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>(fd);
    722. 

  722. <a name="l00681"></a>00681 <span class="preprocessor">#else</span>
    723. 

  723. <a name="l00682"></a>00682 <span class="preprocessor"></span><span class="preprocessor">#     error Need some way to seed the random number generator</span>
    724. 

  724. <a name="l00683"></a>00683 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    725. 

  725. <a name="l00684"></a>00684 <span class="preprocessor"></span>      <span class="keywordtype">int</span> seed = int(tick);
    726. 

  726. <a name="l00685"></a>00685 <span class="preprocessor">#ifdef WIN32</span>
    727. 

  727. <a name="l00686"></a>00686 <span class="preprocessor"></span>      srand(seed);
    728. 

  728. <a name="l00687"></a>00687 <span class="preprocessor">#else</span>
    729. 

  729. <a name="l00688"></a>00688 <span class="preprocessor"></span>      srandom(seed);
    730. 

  730. <a name="l00689"></a>00689 <span class="preprocessor">#endif</span>
    731. 

  731. <a name="l00690"></a>00690 <span class="preprocessor"></span>   }
    732. 

  732. <a name="l00691"></a>00691 
    733. 

  733. <a name="l00692"></a>00692 <span class="preprocessor">#ifdef WIN32</span>
    734. 

  734. <a name="l00693"></a>00693 <span class="preprocessor"></span>   assert( RAND_MAX == 0x7fff );
    735. 

  735. <a name="l00694"></a>00694    <span class="keywordtype">int</span> r1 = rand();
    736. 

  736. <a name="l00695"></a>00695    <span class="keywordtype">int</span> r2 = rand();
    737. 

  737. <a name="l00696"></a>00696 
    738. 

  738. <a name="l00697"></a>00697    <span class="keywordtype">int</span> ret = (r1&lt;&lt;16) + r2;
    739. 

  739. <a name="l00698"></a>00698 
    740. 

  740. <a name="l00699"></a>00699    <span class="keywordflow">return</span> ret;
    741. 

  741. <a name="l00700"></a>00700 <span class="preprocessor">#else</span>
    742. 

  742. <a name="l00701"></a>00701 <span class="preprocessor"></span>   <span class="keywordflow">return</span> random();
    743. 

  743. <a name="l00702"></a>00702 <span class="preprocessor">#endif</span>
    744. 

  744. <a name="l00703"></a>00703 <span class="preprocessor"></span>}
    745. 

  745. <a name="l00704"></a>00704 
    746. 

  746. <a name="l00705"></a>00705 
    747. 

  747. <a name="l00707"></a>00707 <span class="keywordtype">int</span>
    748. 

  748. <a name="l00708"></a><a class="code" href="stun_8h.html#ad4a19c401bea76c471959a32a19b777e">00708</a> <a class="code" href="stun_8cc.html#ad4a19c401bea76c471959a32a19b777e" title="return a random number to use as a port">stunRandomPort</a>()
    749. 

  749. <a name="l00709"></a>00709 {
    750. 

  750. <a name="l00710"></a>00710    <span class="keywordtype">int</span> min=0x4000;
    751. 

  751. <a name="l00711"></a>00711    <span class="keywordtype">int</span> max=0x7FFF;
    752. 

  752. <a name="l00712"></a>00712 
    753. 

  753. <a name="l00713"></a>00713    <span class="keywordtype">int</span> ret = <a class="code" href="stun_8cc.html#a67e399c9420f09178de194bee0bde87a">stunRand</a>();
    754. 

  754. <a name="l00714"></a>00714    ret = ret|min;
    755. 

  755. <a name="l00715"></a>00715    ret = ret&amp;max;
    756. 

  756. <a name="l00716"></a>00716 
    757. 

  757. <a name="l00717"></a>00717    <span class="keywordflow">return</span> ret;
    758. 

  758. <a name="l00718"></a>00718 }
    759. 

  759. <a name="l00719"></a>00719 
    760. 

  760. <a name="l00720"></a>00720 
    761. 

  761. <a name="l00721"></a>00721 <span class="preprocessor">#ifdef NOSSL</span>
    762. 

  762. <a name="l00722"></a>00722 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">void</span>
    763. 

  763. <a name="l00723"></a><a class="code" href="stun_8cc.html#afdae90956a999518a90595e783525734">00723</a> <a class="code" href="stun_8cc.html#afdae90956a999518a90595e783525734">computeHmac</a>(<span class="keywordtype">char</span>* hmac, <span class="keyword">const</span> <span class="keywordtype">char</span>* input, <span class="keywordtype">int</span> length, <span class="keyword">const</span> <span class="keywordtype">char</span>* key, <span class="keywordtype">int</span> sizeKey)
    764. 

  764. <a name="l00724"></a>00724 {
    765. 

  765. <a name="l00725"></a>00725    strncpy(hmac,<span class="stringliteral">&quot;hmac-not-implemented&quot;</span>,20);
    766. 

  766. <a name="l00726"></a>00726 }
    767. 

  767. <a name="l00727"></a>00727 <span class="preprocessor">#else</span>
    768. 

  768. <a name="l00728"></a>00728 <span class="preprocessor"></span><span class="preprocessor">#include &lt;openssl/hmac.h&gt;</span>
    769. 

  769. <a name="l00729"></a>00729 
    770. 

  770. <a name="l00730"></a>00730 <span class="keyword">static</span> <span class="keywordtype">void</span>
    771. 

  771. <a name="l00731"></a>00731 <a class="code" href="stun_8cc.html#afdae90956a999518a90595e783525734">computeHmac</a>(<span class="keywordtype">char</span>* hmac, <span class="keyword">const</span> <span class="keywordtype">char</span>* input, <span class="keywordtype">int</span> length, <span class="keyword">const</span> <span class="keywordtype">char</span>* key, <span class="keywordtype">int</span> sizeKey)
    772. 

  772. <a name="l00732"></a>00732 {
    773. 

  773. <a name="l00733"></a>00733    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> resultSize=0;
    774. 

  774. <a name="l00734"></a>00734    HMAC(EVP_sha1(),
    775. 

  775. <a name="l00735"></a>00735         key, sizeKey,
    776. 

  776. <a name="l00736"></a>00736         reinterpret_cast&lt;const unsigned char*&gt;(input), length,
    777. 

  777. <a name="l00737"></a>00737         reinterpret_cast&lt;unsigned char*&gt;(hmac), &amp;resultSize);
    778. 

  778. <a name="l00738"></a>00738    assert(resultSize == 20);
    779. 

  779. <a name="l00739"></a>00739 }
    780. 

  780. <a name="l00740"></a>00740 <span class="preprocessor">#endif</span>
    781. 

  781. <a name="l00741"></a>00741 <span class="preprocessor"></span>
    782. 

  782. <a name="l00742"></a>00742 
    783. 

  783. <a name="l00743"></a>00743 <span class="keyword">static</span> <span class="keywordtype">void</span>
    784. 

  784. <a name="l00744"></a><a class="code" href="stun_8cc.html#a2c6016ed098c5abccd8fd044c02fb6dc">00744</a> <a class="code" href="stun_8cc.html#a2c6016ed098c5abccd8fd044c02fb6dc">toHex</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* buffer, <span class="keywordtype">int</span> bufferSize, <span class="keywordtype">char</span>* output)
    785. 

  785. <a name="l00745"></a>00745 {
    786. 

  786. <a name="l00746"></a>00746    <span class="keyword">static</span> <span class="keywordtype">char</span> hexmap[] = <span class="stringliteral">&quot;0123456789abcdef&quot;</span>;
    787. 

  787. <a name="l00747"></a>00747 
    788. 

  788. <a name="l00748"></a>00748    <span class="keyword">const</span> <span class="keywordtype">char</span>* p = buffer;
    789. 

  789. <a name="l00749"></a>00749    <span class="keywordtype">char</span>* r = output;
    790. 

  790. <a name="l00750"></a>00750    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i &lt; bufferSize; i++)
    791. 

  791. <a name="l00751"></a>00751    {
    792. 

  792. <a name="l00752"></a>00752       <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> temp = *p++;
    793. 

  793. <a name="l00753"></a>00753 
    794. 

  794. <a name="l00754"></a>00754       <span class="keywordtype">int</span> hi = (temp &amp; 0xf0)&gt;&gt;4;
    795. 

  795. <a name="l00755"></a>00755       <span class="keywordtype">int</span> low = (temp &amp; 0xf);
    796. 

  796. <a name="l00756"></a>00756 
    797. 

  797. <a name="l00757"></a>00757       *r++ = hexmap[hi];
    798. 

  798. <a name="l00758"></a>00758       *r++ = hexmap[low];
    799. 

  799. <a name="l00759"></a>00759    }
    800. 

  800. <a name="l00760"></a>00760    *r = 0;
    801. 

  801. <a name="l00761"></a>00761 }
    802. 

  802. <a name="l00762"></a>00762 
    803. 

  803. <a name="l00763"></a>00763 <span class="keywordtype">void</span>
    804. 

  804. <a name="l00764"></a><a class="code" href="stun_8h.html#ad8f7e4041f7591f4b621625c9190e80f">00764</a> <a class="code" href="stun_8cc.html#a5f442520a968eaa3f90caa8dcd40bd33">stunCreateUserName</a>(<span class="keyword">const</span> <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; source, <a class="code" href="structStunAtrString.html">StunAtrString</a>* username)
    805. 

  805. <a name="l00765"></a>00765 {
    806. 

  806. <a name="l00766"></a>00766    <a class="code" href="stun_8h.html#aa1d7d331b6d522d6d9840fece27108d8">UInt64</a> time = <a class="code" href="stun_8cc.html#a43c07bd7f476e16ea3e48a1033e90ba0">stunGetSystemTimeSecs</a>();
    807. 

  807. <a name="l00767"></a>00767    time -= (time % 20*60);
    808. 

  808. <a name="l00768"></a>00768    <span class="comment">//UInt64 hitime = time &gt;&gt; 32;</span>
    809. 

  809. <a name="l00769"></a>00769    <a class="code" href="stun_8h.html#aa1d7d331b6d522d6d9840fece27108d8">UInt64</a> lotime = time &amp; 0xFFFFFFFF;
    810. 

  810. <a name="l00770"></a>00770 
    811. 

  811. <a name="l00771"></a>00771    <span class="keywordtype">char</span> buffer[1024];
    812. 

  812. <a name="l00772"></a>00772    sprintf(buffer,
    813. 

  813. <a name="l00773"></a>00773            <span class="stringliteral">&quot;%08x:%08x:%08x:&quot;</span>,
    814. 

  814. <a name="l00774"></a>00774            <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a>(source.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>),
    815. 

  815. <a name="l00775"></a>00775            <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a>(<a class="code" href="stun_8cc.html#a67e399c9420f09178de194bee0bde87a">stunRand</a>()),
    816. 

  816. <a name="l00776"></a>00776            <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a>(lotime));
    817. 

  817. <a name="l00777"></a>00777    assert( strlen(buffer) &lt; 1024 );
    818. 

  818. <a name="l00778"></a>00778 
    819. 

  819. <a name="l00779"></a>00779    assert(strlen(buffer) + 41 &lt; <a class="code" href="stun_8h.html#ac4d86797b42c1696b7acbd715481c0b1">STUN_MAX_STRING</a>);
    820. 

  820. <a name="l00780"></a>00780 
    821. 

  821. <a name="l00781"></a>00781    <span class="keywordtype">char</span> hmac[20];
    822. 

  822. <a name="l00782"></a>00782    <span class="keywordtype">char</span> key[] = <span class="stringliteral">&quot;Jason&quot;</span>;
    823. 

  823. <a name="l00783"></a>00783    <a class="code" href="stun_8cc.html#afdae90956a999518a90595e783525734">computeHmac</a>(hmac, buffer, strlen(buffer), key, strlen(key) );
    824. 

  824. <a name="l00784"></a>00784    <span class="keywordtype">char</span> hmacHex[41];
    825. 

  825. <a name="l00785"></a>00785    <a class="code" href="stun_8cc.html#a2c6016ed098c5abccd8fd044c02fb6dc">toHex</a>(hmac, 20, hmacHex );
    826. 

  826. <a name="l00786"></a>00786    hmacHex[40] =0;
    827. 

  827. <a name="l00787"></a>00787 
    828. 

  828. <a name="l00788"></a>00788    strcat(buffer,hmacHex);
    829. 

  829. <a name="l00789"></a>00789 
    830. 

  830. <a name="l00790"></a>00790    <span class="keywordtype">int</span> l = strlen(buffer);
    831. 

  831. <a name="l00791"></a>00791    assert( l+1 &lt; <a class="code" href="stun_8h.html#ac4d86797b42c1696b7acbd715481c0b1">STUN_MAX_STRING</a> );
    832. 

  832. <a name="l00792"></a>00792    assert( l%4 == 0 );
    833. 

  833. <a name="l00793"></a>00793 
    834. 

  834. <a name="l00794"></a>00794    username-&gt;<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = l;
    835. 

  835. <a name="l00795"></a>00795    memcpy(username-&gt;<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>,buffer,l);
    836. 

  836. <a name="l00796"></a>00796    username-&gt;<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>[l]=0;
    837. 

  837. <a name="l00797"></a>00797 
    838. 

  838. <a name="l00798"></a>00798    <span class="comment">//if (verbose) clog &lt;&lt; &quot;computed username=&quot; &lt;&lt; username.value &lt;&lt; endl;</span>
    839. 

  839. <a name="l00799"></a>00799 }
    840. 

  840. <a name="l00800"></a>00800 
    841. 

  841. <a name="l00801"></a>00801 <span class="keywordtype">void</span>
    842. 

  842. <a name="l00802"></a><a class="code" href="stun_8h.html#aa8926aedab40d08f5cff31d759415962">00802</a> <a class="code" href="stun_8cc.html#aa8926aedab40d08f5cff31d759415962">stunCreatePassword</a>(<span class="keyword">const</span> <a class="code" href="structStunAtrString.html">StunAtrString</a>&amp; username, <a class="code" href="structStunAtrString.html">StunAtrString</a>* password)
    843. 

  843. <a name="l00803"></a>00803 {
    844. 

  844. <a name="l00804"></a>00804    <span class="keywordtype">char</span> hmac[20];
    845. 

  845. <a name="l00805"></a>00805    <span class="keywordtype">char</span> key[] = <span class="stringliteral">&quot;Fluffy&quot;</span>;
    846. 

  846. <a name="l00806"></a>00806    <span class="comment">//char buffer[STUN_MAX_STRING];</span>
    847. 

  847. <a name="l00807"></a>00807    <a class="code" href="stun_8cc.html#afdae90956a999518a90595e783525734">computeHmac</a>(hmac, username.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>, strlen(username.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>), key, strlen(key));
    848. 

  848. <a name="l00808"></a>00808    <a class="code" href="stun_8cc.html#a2c6016ed098c5abccd8fd044c02fb6dc">toHex</a>(hmac, 20, password-&gt;<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>);
    849. 

  849. <a name="l00809"></a>00809    password-&gt;<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = 40;
    850. 

  850. <a name="l00810"></a>00810    password-&gt;<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>[40]=0;
    851. 

  851. <a name="l00811"></a>00811 
    852. 

  852. <a name="l00812"></a>00812    <span class="comment">//clog &lt;&lt; &quot;password=&quot; &lt;&lt; password-&gt;value &lt;&lt; endl;</span>
    853. 

  853. <a name="l00813"></a>00813 }
    854. 

  854. <a name="l00814"></a>00814 
    855. 

  855. <a name="l00815"></a>00815 
    856. 

  856. <a name="l00816"></a>00816 <a class="code" href="stun_8h.html#aa1d7d331b6d522d6d9840fece27108d8">UInt64</a>
    857. 

  857. <a name="l00817"></a><a class="code" href="stun_8h.html#a43c07bd7f476e16ea3e48a1033e90ba0">00817</a> <a class="code" href="stun_8cc.html#a43c07bd7f476e16ea3e48a1033e90ba0">stunGetSystemTimeSecs</a>()
    858. 

  858. <a name="l00818"></a>00818 {
    859. 

  859. <a name="l00819"></a>00819    <a class="code" href="stun_8h.html#aa1d7d331b6d522d6d9840fece27108d8">UInt64</a> time=0;
    860. 

  860. <a name="l00820"></a>00820 <span class="preprocessor">#if defined(WIN32)</span>
    861. 

  861. <a name="l00821"></a>00821 <span class="preprocessor"></span>   SYSTEMTIME t;
    862. 

  862. <a name="l00822"></a>00822    <span class="comment">// CJ TODO - this probably has bug on wrap around every 24 hours</span>
    863. 

  863. <a name="l00823"></a>00823    GetSystemTime( &amp;t );
    864. 

  864. <a name="l00824"></a>00824    time = (t.wHour*60+t.wMinute)*60+t.wSecond;
    865. 

  865. <a name="l00825"></a>00825 #<span class="keywordflow">else</span>
    866. 

  866. <a name="l00826"></a>00826    <span class="keyword">struct</span> timeval now;
    867. 

  867. <a name="l00827"></a>00827    gettimeofday( &amp;now , NULL );
    868. 

  868. <a name="l00828"></a>00828    <span class="comment">//assert( now );</span>
    869. 

  869. <a name="l00829"></a>00829    time = now.tv_sec;
    870. 

  870. <a name="l00830"></a>00830 <span class="preprocessor">#endif</span>
    871. 

  871. <a name="l00831"></a>00831 <span class="preprocessor"></span>   <span class="keywordflow">return</span> time;
    872. 

  872. <a name="l00832"></a>00832 }
    873. 

  873. <a name="l00833"></a>00833 
    874. 

  874. <a name="l00834"></a>00834 
    875. 

  875. <a name="l00835"></a><a class="code" href="stun_8cc.html#a8cca5b933ad45c62c8d5e4c82dfb19cc">00835</a> ostream&amp; <a class="code" href="MessageObserver_8cc.html#a8f32b0caa624b1003f9f7a382c634798">operator&lt;&lt; </a>( ostream&amp; strm, <span class="keyword">const</span> <a class="code" href="structUInt128.html">UInt128</a>&amp; r )
    876. 

  876. <a name="l00836"></a>00836 {
    877. 

  877. <a name="l00837"></a>00837    strm &lt;&lt; int(r.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[0]);
    878. 

  878. <a name="l00838"></a>00838    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=1; i&lt;16; i++ )
    879. 

  879. <a name="l00839"></a>00839    {
    880. 

  880. <a name="l00840"></a>00840       strm &lt;&lt; <span class="charliteral">&#39;:&#39;</span> &lt;&lt; int(r.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[i]);
    881. 

  881. <a name="l00841"></a>00841    }
    882. 

  882. <a name="l00842"></a>00842 
    883. 

  883. <a name="l00843"></a>00843    <span class="keywordflow">return</span> strm;
    884. 

  884. <a name="l00844"></a>00844 }
    885. 

  885. <a name="l00845"></a>00845 
    886. 

  886. <a name="l00846"></a>00846 ostream&amp;
    887. 

  887. <a name="l00847"></a><a class="code" href="stun_8cc.html#a34a70949080bffbb59fb937092c26802">00847</a> <a class="code" href="MessageObserver_8cc.html#a8f32b0caa624b1003f9f7a382c634798">operator&lt;&lt;</a>( ostream&amp; strm, <span class="keyword">const</span> <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; addr)
    888. 

  888. <a name="l00848"></a>00848 {
    889. 

  889. <a name="l00849"></a>00849    <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a> ip = addr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    890. 

  890. <a name="l00850"></a>00850    strm &lt;&lt; ((int)(ip&gt;&gt;24)&amp;0xFF) &lt;&lt; <span class="stringliteral">&quot;.&quot;</span>;
    891. 

  891. <a name="l00851"></a>00851    strm &lt;&lt; ((int)(ip&gt;&gt;16)&amp;0xFF) &lt;&lt; <span class="stringliteral">&quot;.&quot;</span>;
    892. 

  892. <a name="l00852"></a>00852    strm &lt;&lt; ((int)(ip&gt;&gt; 8)&amp;0xFF) &lt;&lt; <span class="stringliteral">&quot;.&quot;</span>;
    893. 

  893. <a name="l00853"></a>00853    strm &lt;&lt; ((int)(ip&gt;&gt; 0)&amp;0xFF) ;
    894. 

  894. <a name="l00854"></a>00854 
    895. 

  895. <a name="l00855"></a>00855    strm &lt;&lt; <span class="stringliteral">&quot;:&quot;</span> &lt;&lt; addr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    896. 

  896. <a name="l00856"></a>00856 
    897. 

  897. <a name="l00857"></a>00857    <span class="keywordflow">return</span> strm;
    898. 

  898. <a name="l00858"></a>00858 }
    899. 

  899. <a name="l00859"></a>00859 
    900. 

  900. <a name="l00860"></a>00860 
    901. 

  901. <a name="l00861"></a>00861 <span class="comment">// returns true if it scucceeded</span>
    902. 

  902. <a name="l00862"></a>00862 <span class="keywordtype">bool</span>
    903. 

  903. <a name="l00863"></a><a class="code" href="stun_8h.html#af497f133b72e1dc4595d9d293d706351">00863</a> <a class="code" href="stun_8cc.html#af497f133b72e1dc4595d9d293d706351">stunParseHostName</a>( <span class="keywordtype">char</span>* peerName,
    904. 

  904. <a name="l00864"></a>00864                <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a>&amp; ip,
    905. 

  905. <a name="l00865"></a>00865                <a class="code" href="stun_8h.html#accc14a7c843716dfed734f3a03e8d2b6">UInt16</a>&amp; portVal,
    906. 

  906. <a name="l00866"></a>00866                <a class="code" href="stun_8h.html#accc14a7c843716dfed734f3a03e8d2b6">UInt16</a> defaultPort )
    907. 

  907. <a name="l00867"></a>00867 {
    908. 

  908. <a name="l00868"></a>00868    in_addr sin_addr;
    909. 

  909. <a name="l00869"></a>00869 
    910. 

  910. <a name="l00870"></a>00870    <span class="keywordtype">char</span> host[512];
    911. 

  911. <a name="l00871"></a>00871    strncpy(host,peerName,512);
    912. 

  912. <a name="l00872"></a>00872    host[512-1]=<span class="charliteral">&#39;\0&#39;</span>;
    913. 

  913. <a name="l00873"></a>00873    <span class="keywordtype">char</span>* port = NULL;
    914. 

  914. <a name="l00874"></a>00874 
    915. 

  915. <a name="l00875"></a>00875    <span class="keywordtype">int</span> portNum = defaultPort;
    916. 

  916. <a name="l00876"></a>00876 
    917. 

  917. <a name="l00877"></a>00877    <span class="comment">// pull out the port part if present.</span>
    918. 

  918. <a name="l00878"></a>00878    <span class="keywordtype">char</span>* sep = strchr(host,<span class="charliteral">&#39;:&#39;</span>);
    919. 

  919. <a name="l00879"></a>00879 
    920. 

  920. <a name="l00880"></a>00880    <span class="keywordflow">if</span> ( sep == NULL )
    921. 

  921. <a name="l00881"></a>00881    {
    922. 

  922. <a name="l00882"></a>00882       portNum = defaultPort;
    923. 

  923. <a name="l00883"></a>00883    }
    924. 

  924. <a name="l00884"></a>00884    <span class="keywordflow">else</span>
    925. 

  925. <a name="l00885"></a>00885    {
    926. 

  926. <a name="l00886"></a>00886       *sep = <span class="charliteral">&#39;\0&#39;</span>;
    927. 

  927. <a name="l00887"></a>00887       port = sep + 1;
    928. 

  928. <a name="l00888"></a>00888       <span class="comment">// set port part</span>
    929. 

  929. <a name="l00889"></a>00889 
    930. 

  930. <a name="l00890"></a>00890       <span class="keywordtype">char</span>* endPtr=NULL;
    931. 

  931. <a name="l00891"></a>00891 
    932. 

  932. <a name="l00892"></a>00892       portNum = strtol(port,&amp;endPtr,10);
    933. 

  933. <a name="l00893"></a>00893 
    934. 

  934. <a name="l00894"></a>00894       <span class="keywordflow">if</span> ( endPtr != NULL )
    935. 

  935. <a name="l00895"></a>00895       {
    936. 

  936. <a name="l00896"></a>00896          <span class="keywordflow">if</span> ( *endPtr != <span class="charliteral">&#39;\0&#39;</span> )
    937. 

  937. <a name="l00897"></a>00897          {
    938. 

  938. <a name="l00898"></a>00898             portNum = defaultPort;
    939. 

  939. <a name="l00899"></a>00899          }
    940. 

  940. <a name="l00900"></a>00900       }
    941. 

  941. <a name="l00901"></a>00901    }
    942. 

  942. <a name="l00902"></a>00902 
    943. 

  943. <a name="l00903"></a>00903    <span class="keywordflow">if</span> ( portNum &lt; 1024 ) <span class="keywordflow">return</span> <span class="keyword">false</span>;
    944. 

  944. <a name="l00904"></a>00904    <span class="keywordflow">if</span> ( portNum &gt;= 0xFFFF ) <span class="keywordflow">return</span> <span class="keyword">false</span>;
    945. 

  945. <a name="l00905"></a>00905 
    946. 

  946. <a name="l00906"></a>00906    <span class="comment">// figure out the host part</span>
    947. 

  947. <a name="l00907"></a>00907    <span class="keyword">struct </span>hostent* h;
    948. 

  948. <a name="l00908"></a>00908 
    949. 

  949. <a name="l00909"></a>00909 <span class="preprocessor">#ifdef WIN32</span>
    950. 

  950. <a name="l00910"></a>00910 <span class="preprocessor"></span>   assert( strlen(host) &gt;= 1 );
    951. 

  951. <a name="l00911"></a>00911    <span class="keywordflow">if</span> ( isdigit( host[0] ) )
    952. 

  952. <a name="l00912"></a>00912    {
    953. 

  953. <a name="l00913"></a>00913       <span class="comment">// assume it is a ip address</span>
    954. 

  954. <a name="l00914"></a>00914       <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> a = inet_addr(host);
    955. 

  955. <a name="l00915"></a>00915       <span class="comment">//cerr &lt;&lt; &quot;a=0x&quot; &lt;&lt; hex &lt;&lt; a &lt;&lt; dec &lt;&lt; endl;</span>
    956. 

  956. <a name="l00916"></a>00916 
    957. 

  957. <a name="l00917"></a>00917       ip = ntohl( a );
    958. 

  958. <a name="l00918"></a>00918    }
    959. 

  959. <a name="l00919"></a>00919    <span class="keywordflow">else</span>
    960. 

  960. <a name="l00920"></a>00920    {
    961. 

  961. <a name="l00921"></a>00921       <span class="comment">// assume it is a host name</span>
    962. 

  962. <a name="l00922"></a>00922       h = gethostbyname( host );
    963. 

  963. <a name="l00923"></a>00923 
    964. 

  964. <a name="l00924"></a>00924       <span class="keywordflow">if</span> ( h == NULL )
    965. 

  965. <a name="l00925"></a>00925       {
    966. 

  966. <a name="l00926"></a>00926          <span class="keywordtype">int</span> err = <a class="code" href="stun__udp_8h.html#a604d53fe9d66ce3a47ab2354b20f8e62">getErrno</a>();
    967. 

  967. <a name="l00927"></a>00927          std::cerr &lt;&lt; <span class="stringliteral">&quot;error was &quot;</span> &lt;&lt; err &lt;&lt; std::endl;
    968. 

  968. <a name="l00928"></a>00928          assert( err != <a class="code" href="stun__udp_8h.html#a25b517a4390903e6fa0f945e80a3394c">WSANOTINITIALISED</a> );
    969. 

  969. <a name="l00929"></a>00929 
    970. 

  970. <a name="l00930"></a>00930          ip = ntohl( 0x7F000001L );
    971. 

  971. <a name="l00931"></a>00931 
    972. 

  972. <a name="l00932"></a>00932          <span class="keywordflow">return</span> <span class="keyword">false</span>;
    973. 

  973. <a name="l00933"></a>00933       }
    974. 

  974. <a name="l00934"></a>00934       <span class="keywordflow">else</span>
    975. 

  975. <a name="l00935"></a>00935       {
    976. 

  976. <a name="l00936"></a>00936          sin_addr = *(<span class="keyword">struct </span>in_addr*)h-&gt;h_addr;
    977. 

  977. <a name="l00937"></a>00937          ip = ntohl( sin_addr.s_addr );
    978. 

  978. <a name="l00938"></a>00938       }
    979. 

  979. <a name="l00939"></a>00939    }
    980. 

  980. <a name="l00940"></a>00940 
    981. 

  981. <a name="l00941"></a>00941 <span class="preprocessor">#else</span>
    982. 

  982. <a name="l00942"></a>00942 <span class="preprocessor"></span>   h = gethostbyname( host );
    983. 

  983. <a name="l00943"></a>00943    <span class="keywordflow">if</span> ( h == NULL )
    984. 

  984. <a name="l00944"></a>00944    {
    985. 

  985. <a name="l00945"></a>00945       <span class="keywordtype">int</span> err = <a class="code" href="stun__udp_8h.html#a604d53fe9d66ce3a47ab2354b20f8e62">getErrno</a>();
    986. 

  986. <a name="l00946"></a>00946       std::cerr &lt;&lt; <span class="stringliteral">&quot;error was &quot;</span> &lt;&lt; err &lt;&lt; std::endl;
    987. 

  987. <a name="l00947"></a>00947       ip = ntohl( 0x7F000001L );
    988. 

  988. <a name="l00948"></a>00948       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    989. 

  989. <a name="l00949"></a>00949    }
    990. 

  990. <a name="l00950"></a>00950    <span class="keywordflow">else</span>
    991. 

  991. <a name="l00951"></a>00951    {
    992. 

  992. <a name="l00952"></a>00952       sin_addr = *(<span class="keyword">struct </span>in_addr*)h-&gt;h_addr;
    993. 

  993. <a name="l00953"></a>00953       ip = ntohl( sin_addr.s_addr );
    994. 

  994. <a name="l00954"></a>00954    }
    995. 

  995. <a name="l00955"></a>00955 <span class="preprocessor">#endif</span>
    996. 

  996. <a name="l00956"></a>00956 <span class="preprocessor"></span>
    997. 

  997. <a name="l00957"></a>00957    portVal = portNum;
    998. 

  998. <a name="l00958"></a>00958 
    999. 

  999. <a name="l00959"></a>00959    <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1000. 

  1000. <a name="l00960"></a>00960 }
    1001. 

  1001. <a name="l00961"></a>00961 
    1002. 

  1002. <a name="l00962"></a>00962 
    1003. 

  1003. <a name="l00963"></a>00963 <span class="keywordtype">bool</span>
    1004. 

  1004. <a name="l00964"></a><a class="code" href="stun_8h.html#ac4cabe7b17eb753dedad02cbb755563c">00964</a> <a class="code" href="stun_8cc.html#acc6ab05f9237a355919b963c6835ec9e" title="find the IP address of a the specified stun server - return false is fails parse">stunParseServerName</a>( <span class="keywordtype">char</span>* name, <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; addr)
    1005. 

  1005. <a name="l00965"></a>00965 {
    1006. 

  1006. <a name="l00966"></a>00966    assert(name);
    1007. 

  1007. <a name="l00967"></a>00967 
    1008. 

  1008. <a name="l00968"></a>00968    <span class="comment">// TODO - put in DNS SRV stuff.</span>
    1009. 

  1009. <a name="l00969"></a>00969 
    1010. 

  1010. <a name="l00970"></a>00970    <span class="keywordtype">bool</span> ret = <a class="code" href="stun_8cc.html#af497f133b72e1dc4595d9d293d706351">stunParseHostName</a>( name, addr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, addr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>, 3478);
    1011. 

  1011. <a name="l00971"></a>00971    <span class="keywordflow">if</span> ( ret != <span class="keyword">true</span> )
    1012. 

  1012. <a name="l00972"></a>00972    {
    1013. 

  1013. <a name="l00973"></a>00973        addr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>=0xFFFF;
    1014. 

  1014. <a name="l00974"></a>00974    }
    1015. 

  1015. <a name="l00975"></a>00975    <span class="keywordflow">return</span> ret;
    1016. 

  1016. <a name="l00976"></a>00976 }
    1017. 

  1017. <a name="l00977"></a>00977 
    1018. 

  1018. <a name="l00978"></a>00978 
    1019. 

  1019. <a name="l00979"></a>00979 <span class="keyword">static</span> <span class="keywordtype">void</span>
    1020. 

  1020. <a name="l00980"></a><a class="code" href="stun_8cc.html#a965ceef7c244ec6895b9670acdf57930">00980</a> <a class="code" href="stun_8cc.html#a965ceef7c244ec6895b9670acdf57930">stunCreateErrorResponse</a>(<a class="code" href="structStunMessage.html">StunMessage</a>&amp; response, <span class="keywordtype">int</span> cl, <span class="keywordtype">int</span> number, <span class="keyword">const</span> <span class="keywordtype">char</span>* msg)
    1021. 

  1021. <a name="l00981"></a>00981 {
    1022. 

  1022. <a name="l00982"></a>00982    response.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a7cc96e6cbb87582e56f298eb891c43e2">msgType</a> = <a class="code" href="stun_8h.html#ae440f0f666689240a0aa0f450d1783ab">BindErrorResponseMsg</a>;
    1023. 

  1023. <a name="l00983"></a>00983    response.<a class="code" href="structStunMessage.html#afe66349979726d392fa4f0c9c84ebedf">hasErrorCode</a> = <span class="keyword">true</span>;
    1024. 

  1024. <a name="l00984"></a>00984    response.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#aef65890aa74d342d326ea74000064be5">errorClass</a> = cl;
    1025. 

  1025. <a name="l00985"></a>00985    response.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#abdee224c138f23ad06aeb97ed9d6e0fe">number</a> = number;
    1026. 

  1026. <a name="l00986"></a>00986    strcpy(response.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#a3bb11d3802d0bfe65a153d8a6bccd472">reason</a>, msg);
    1027. 

  1027. <a name="l00987"></a>00987 }
    1028. 

  1028. <a name="l00988"></a>00988 
    1029. 

  1029. <a name="l00989"></a>00989 <span class="preprocessor">#if 0</span>
    1030. 

  1030. <a name="l00990"></a>00990 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">void</span>
    1031. 

  1031. <a name="l00991"></a>00991 stunCreateSharedSecretErrorResponse(<a class="code" href="structStunMessage.html">StunMessage</a>&amp; response, <span class="keywordtype">int</span> cl, <span class="keywordtype">int</span> number, <span class="keyword">const</span> <span class="keywordtype">char</span>* msg)
    1032. 

  1032. <a name="l00992"></a>00992 {
    1033. 

  1033. <a name="l00993"></a>00993    response.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a7cc96e6cbb87582e56f298eb891c43e2">msgType</a> = <a class="code" href="stun_8h.html#aaaa9b37f28fbe5021e650eaccd372d4d">SharedSecretErrorResponseMsg</a>;
    1034. 

  1034. <a name="l00994"></a>00994    response.<a class="code" href="structStunMessage.html#afe66349979726d392fa4f0c9c84ebedf">hasErrorCode</a> = <span class="keyword">true</span>;
    1035. 

  1035. <a name="l00995"></a>00995    response.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#aef65890aa74d342d326ea74000064be5">errorClass</a> = cl;
    1036. 

  1036. <a name="l00996"></a>00996    response.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#abdee224c138f23ad06aeb97ed9d6e0fe">number</a> = number;
    1037. 

  1037. <a name="l00997"></a>00997    strcpy(response.<a class="code" href="structStunMessage.html#a8e6a7183381efea4e4a92e2b4e8bba6a">errorCode</a>.<a class="code" href="structStunAtrError.html#a3bb11d3802d0bfe65a153d8a6bccd472">reason</a>, msg);
    1038. 

  1038. <a name="l00998"></a>00998 }
    1039. 

  1039. <a name="l00999"></a>00999 <span class="preprocessor">#endif</span>
    1040. 

  1040. <a name="l01000"></a>01000 <span class="preprocessor"></span>
    1041. 

  1041. <a name="l01001"></a>01001 <span class="keyword">static</span> <span class="keywordtype">void</span>
    1042. 

  1042. <a name="l01002"></a><a class="code" href="stun_8cc.html#a1382231021dcb9f568718d9a75087f48">01002</a> <a class="code" href="stun_8cc.html#a1382231021dcb9f568718d9a75087f48">stunCreateSharedSecretResponse</a>(<span class="keyword">const</span> <a class="code" href="structStunMessage.html">StunMessage</a>&amp; request, <span class="keyword">const</span> <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; source, <a class="code" href="structStunMessage.html">StunMessage</a>&amp; response)
    1043. 

  1043. <a name="l01003"></a>01003 {
    1044. 

  1044. <a name="l01004"></a>01004    response.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a7cc96e6cbb87582e56f298eb891c43e2">msgType</a> = <a class="code" href="stun_8h.html#af179b3b160dd9d71db8bcff29500504c">SharedSecretResponseMsg</a>;
    1045. 

  1045. <a name="l01005"></a>01005    response.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a> = request.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>;
    1046. 

  1046. <a name="l01006"></a>01006 
    1047. 

  1047. <a name="l01007"></a>01007    response.<a class="code" href="structStunMessage.html#a2a22a4f1560b25fcf5247647885bab3c">hasUsername</a> = <span class="keyword">true</span>;
    1048. 

  1048. <a name="l01008"></a>01008    <a class="code" href="stun_8cc.html#a5f442520a968eaa3f90caa8dcd40bd33">stunCreateUserName</a>( source, &amp;response.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>);
    1049. 

  1049. <a name="l01009"></a>01009 
    1050. 

  1050. <a name="l01010"></a>01010    response.<a class="code" href="structStunMessage.html#ac09b6e5f081db9f5ec2c1a4532676366">hasPassword</a> = <span class="keyword">true</span>;
    1051. 

  1051. <a name="l01011"></a>01011    <a class="code" href="stun_8cc.html#aa8926aedab40d08f5cff31d759415962">stunCreatePassword</a>( response.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>, &amp;response.<a class="code" href="structStunMessage.html#aa15cab0d5b2a9a044895e81d527c1b68">password</a>);
    1052. 

  1052. <a name="l01012"></a>01012 }
    1053. 

  1053. <a name="l01013"></a>01013 
    1054. 

  1054. <a name="l01014"></a>01014 
    1055. 

  1055. <a name="l01015"></a>01015 <span class="comment">// This funtion takes a single message sent to a stun server, parses</span>
    1056. 

  1056. <a name="l01016"></a>01016 <span class="comment">// and constructs an apropriate repsonse - returns true if message is</span>
    1057. 

  1057. <a name="l01017"></a>01017 <span class="comment">// valid</span>
    1058. 

  1058. <a name="l01018"></a>01018 <span class="keywordtype">bool</span>
    1059. 

  1059. <a name="l01019"></a><a class="code" href="stun_8cc.html#a811b0bd40524a040d7ec6676e9635c22">01019</a> <a class="code" href="stun_8cc.html#a811b0bd40524a040d7ec6676e9635c22">stunServerProcessMsg</a>( <span class="keywordtype">char</span>* buf,
    1060. 

  1060. <a name="l01020"></a>01020                       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bufLen,
    1061. 

  1061. <a name="l01021"></a>01021                       <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; from,
    1062. 

  1062. <a name="l01022"></a>01022                       <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; secondary,
    1063. 

  1063. <a name="l01023"></a>01023                       <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; myAddr,
    1064. 

  1064. <a name="l01024"></a>01024                       <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; altAddr,
    1065. 

  1065. <a name="l01025"></a>01025                       <a class="code" href="structStunMessage.html">StunMessage</a>* resp,
    1066. 

  1066. <a name="l01026"></a>01026                       <a class="code" href="structStunAddress4.html">StunAddress4</a>* destination,
    1067. 

  1067. <a name="l01027"></a>01027                       <a class="code" href="structStunAtrString.html">StunAtrString</a>* hmacPassword,
    1068. 

  1068. <a name="l01028"></a>01028                       <span class="keywordtype">bool</span>* changePort,
    1069. 

  1069. <a name="l01029"></a>01029                       <span class="keywordtype">bool</span>* changeIp,
    1070. 

  1070. <a name="l01030"></a>01030                       <span class="keywordtype">bool</span> verbose)
    1071. 

  1071. <a name="l01031"></a>01031 {
    1072. 

  1072. <a name="l01032"></a>01032 
    1073. 

  1073. <a name="l01033"></a>01033    <span class="comment">// set up information for default response</span>
    1074. 

  1074. <a name="l01034"></a>01034 
    1075. 

  1075. <a name="l01035"></a>01035    memset( resp, 0 , <span class="keyword">sizeof</span>(*resp) );
    1076. 

  1076. <a name="l01036"></a>01036 
    1077. 

  1077. <a name="l01037"></a>01037    *changeIp = <span class="keyword">false</span>;
    1078. 

  1078. <a name="l01038"></a>01038    *changePort = <span class="keyword">false</span>;
    1079. 

  1079. <a name="l01039"></a>01039 
    1080. 

  1080. <a name="l01040"></a>01040    <a class="code" href="structStunMessage.html">StunMessage</a> req;
    1081. 

  1081. <a name="l01041"></a>01041    <span class="keywordtype">bool</span> ok = <a class="code" href="stun_8cc.html#af81c30137f26a4cb158b48aa21f4f681">stunParseMessage</a>( buf,bufLen, req, verbose);
    1082. 

  1082. <a name="l01042"></a>01042 
    1083. 

  1083. <a name="l01043"></a>01043    <span class="keywordflow">if</span> (!ok)      <span class="comment">// Complete garbage, drop it on the floor</span>
    1084. 

  1084. <a name="l01044"></a>01044    {
    1085. 

  1085. <a name="l01045"></a>01045       <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Request did not parse&quot;</span> &lt;&lt; endl;
    1086. 

  1086. <a name="l01046"></a>01046       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    1087. 

  1087. <a name="l01047"></a>01047    }
    1088. 

  1088. <a name="l01048"></a>01048    <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Request parsed ok&quot;</span> &lt;&lt; endl;
    1089. 

  1089. <a name="l01049"></a>01049 
    1090. 

  1090. <a name="l01050"></a>01050    <a class="code" href="structStunAddress4.html">StunAddress4</a> mapped = req.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>;
    1091. 

  1091. <a name="l01051"></a>01051    <a class="code" href="structStunAddress4.html">StunAddress4</a> respondTo = req.<a class="code" href="structStunMessage.html#adb06537683f153438687995e8d1783c6">responseAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>;
    1092. 

  1092. <a name="l01052"></a>01052    <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a> flags = req.<a class="code" href="structStunMessage.html#a65e5de40376764ea12d96f5b5ebe2c29">changeRequest</a>.<a class="code" href="structStunAtrChangeRequest.html#adbb006a8e7cc0637d01959c8ba985c0c">value</a>;
    1093. 

  1093. <a name="l01053"></a>01053 
    1094. 

  1094. <a name="l01054"></a>01054    <span class="keywordflow">switch</span> (req.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a7cc96e6cbb87582e56f298eb891c43e2">msgType</a>)
    1095. 

  1095. <a name="l01055"></a>01055    {
    1096. 

  1096. <a name="l01056"></a>01056       <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a03609184bf06df206ab09c4102428a33">SharedSecretRequestMsg</a>:
    1097. 

  1097. <a name="l01057"></a>01057          <span class="keywordflow">if</span>(verbose) clog &lt;&lt; <span class="stringliteral">&quot;Received SharedSecretRequestMsg on udp. send error 433.&quot;</span> &lt;&lt; endl;
    1098. 

  1098. <a name="l01058"></a>01058          <span class="comment">// !cj! - should fix so you know if this came over TLS or UDP</span>
    1099. 

  1099. <a name="l01059"></a>01059          <a class="code" href="stun_8cc.html#a1382231021dcb9f568718d9a75087f48">stunCreateSharedSecretResponse</a>(req, from, *resp);
    1100. 

  1100. <a name="l01060"></a>01060          <span class="comment">//stunCreateSharedSecretErrorResponse(*resp, 4, 33, &quot;this request must be over TLS&quot;);</span>
    1101. 

  1101. <a name="l01061"></a>01061          <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1102. 

  1102. <a name="l01062"></a>01062 
    1103. 

  1103. <a name="l01063"></a>01063       <span class="keywordflow">case</span> <a class="code" href="stun_8h.html#a4dfa49ebae731be7b582f0fc7b57d429">BindRequestMsg</a>:
    1104. 

  1104. <a name="l01064"></a>01064          <span class="keywordflow">if</span> (!req.<a class="code" href="structStunMessage.html#a2a47413181e29d0de7063d4bfa6609ff">hasMessageIntegrity</a>)
    1105. 

  1105. <a name="l01065"></a>01065          {
    1106. 

  1106. <a name="l01066"></a>01066             <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;BindRequest does not contain MessageIntegrity&quot;</span> &lt;&lt; endl;
    1107. 

  1107. <a name="l01067"></a>01067 
    1108. 

  1108. <a name="l01068"></a>01068             <span class="keywordflow">if</span> (0) <span class="comment">// !jf! mustAuthenticate</span>
    1109. 

  1109. <a name="l01069"></a>01069             {
    1110. 

  1110. <a name="l01070"></a>01070                <span class="keywordflow">if</span>(verbose) clog &lt;&lt; <span class="stringliteral">&quot;Received BindRequest with no MessageIntegrity. Sending 401.&quot;</span> &lt;&lt; endl;
    1111. 

  1111. <a name="l01071"></a>01071                <a class="code" href="stun_8cc.html#a965ceef7c244ec6895b9670acdf57930">stunCreateErrorResponse</a>(*resp, 4, 1, <span class="stringliteral">&quot;Missing MessageIntegrity&quot;</span>);
    1112. 

  1112. <a name="l01072"></a>01072                <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1113. 

  1113. <a name="l01073"></a>01073             }
    1114. 

  1114. <a name="l01074"></a>01074          }
    1115. 

  1115. <a name="l01075"></a>01075          <span class="keywordflow">else</span>
    1116. 

  1116. <a name="l01076"></a>01076          {
    1117. 

  1117. <a name="l01077"></a>01077             <span class="keywordflow">if</span> (!req.<a class="code" href="structStunMessage.html#a2a22a4f1560b25fcf5247647885bab3c">hasUsername</a>)
    1118. 

  1118. <a name="l01078"></a>01078             {
    1119. 

  1119. <a name="l01079"></a>01079                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;No UserName. Send 432.&quot;</span> &lt;&lt; endl;
    1120. 

  1120. <a name="l01080"></a>01080                <a class="code" href="stun_8cc.html#a965ceef7c244ec6895b9670acdf57930">stunCreateErrorResponse</a>(*resp, 4, 32, <span class="stringliteral">&quot;No UserName and contains MessageIntegrity&quot;</span>);
    1121. 

  1121. <a name="l01081"></a>01081                <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1122. 

  1122. <a name="l01082"></a>01082             }
    1123. 

  1123. <a name="l01083"></a>01083             <span class="keywordflow">else</span>
    1124. 

  1124. <a name="l01084"></a>01084             {
    1125. 

  1125. <a name="l01085"></a>01085                <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Validating username: &quot;</span> &lt;&lt; req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a> &lt;&lt; endl;
    1126. 

  1126. <a name="l01086"></a>01086                <span class="comment">// !jf! could retrieve associated password from provisioning here</span>
    1127. 

  1127. <a name="l01087"></a>01087                <span class="keywordflow">if</span> (strcmp(req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>, <span class="stringliteral">&quot;test&quot;</span>) == 0)
    1128. 

  1128. <a name="l01088"></a>01088                {
    1129. 

  1129. <a name="l01089"></a>01089                   <span class="keywordflow">if</span> (0)
    1130. 

  1130. <a name="l01090"></a>01090                   {
    1131. 

  1131. <a name="l01091"></a>01091                      <span class="comment">// !jf! if the credentials are stale</span>
    1132. 

  1132. <a name="l01092"></a>01092                      <a class="code" href="stun_8cc.html#a965ceef7c244ec6895b9670acdf57930">stunCreateErrorResponse</a>(*resp, 4, 30, <span class="stringliteral">&quot;Stale credentials on BindRequest&quot;</span>);
    1133. 

  1133. <a name="l01093"></a>01093                      <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1134. 

  1134. <a name="l01094"></a>01094                   }
    1135. 

  1135. <a name="l01095"></a>01095                   <span class="keywordflow">else</span>
    1136. 

  1136. <a name="l01096"></a>01096                   {
    1137. 

  1137. <a name="l01097"></a>01097                      <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Validating MessageIntegrity&quot;</span> &lt;&lt; endl;
    1138. 

  1138. <a name="l01098"></a>01098                      <span class="comment">// need access to shared secret</span>
    1139. 

  1139. <a name="l01099"></a>01099 
    1140. 

  1140. <a name="l01100"></a>01100                      <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> hmac[20];
    1141. 

  1141. <a name="l01101"></a>01101 <span class="preprocessor">#ifndef NOSSL</span>
    1142. 

  1142. <a name="l01102"></a>01102 <span class="preprocessor"></span>                     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hmacSize=20;
    1143. 

  1143. <a name="l01103"></a>01103 
    1144. 

  1144. <a name="l01104"></a>01104                      HMAC(EVP_sha1(),
    1145. 

  1145. <a name="l01105"></a>01105                           <span class="stringliteral">&quot;1234&quot;</span>, 4,
    1146. 

  1146. <a name="l01106"></a>01106                           reinterpret_cast&lt;const unsigned char*&gt;(buf), bufLen-20-4,
    1147. 

  1147. <a name="l01107"></a>01107                           hmac, &amp;hmacSize);
    1148. 

  1148. <a name="l01108"></a>01108                      assert(hmacSize == 20);
    1149. 

  1149. <a name="l01109"></a>01109 <span class="preprocessor">#endif</span>
    1150. 

  1150. <a name="l01110"></a>01110 <span class="preprocessor"></span>
    1151. 

  1151. <a name="l01111"></a>01111                      <span class="keywordflow">if</span> (memcmp(buf, hmac, 20) != 0)
    1152. 

  1152. <a name="l01112"></a>01112                      {
    1153. 

  1153. <a name="l01113"></a>01113                         <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;MessageIntegrity is bad. Sending &quot;</span> &lt;&lt; endl;
    1154. 

  1154. <a name="l01114"></a>01114                         <a class="code" href="stun_8cc.html#a965ceef7c244ec6895b9670acdf57930">stunCreateErrorResponse</a>(*resp, 4, 3, <span class="stringliteral">&quot;Unknown username. Try test with password 1234&quot;</span>);
    1155. 

  1155. <a name="l01115"></a>01115                         <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1156. 

  1156. <a name="l01116"></a>01116                      }
    1157. 

  1157. <a name="l01117"></a>01117 
    1158. 

  1158. <a name="l01118"></a>01118                      <span class="comment">// need to compute this later after message is filled in</span>
    1159. 

  1159. <a name="l01119"></a>01119                      resp-&gt;<a class="code" href="structStunMessage.html#a2a47413181e29d0de7063d4bfa6609ff">hasMessageIntegrity</a> = <span class="keyword">true</span>;
    1160. 

  1160. <a name="l01120"></a>01120                      assert(req.<a class="code" href="structStunMessage.html#a2a22a4f1560b25fcf5247647885bab3c">hasUsername</a>);
    1161. 

  1161. <a name="l01121"></a>01121                      resp-&gt;<a class="code" href="structStunMessage.html#a2a22a4f1560b25fcf5247647885bab3c">hasUsername</a> = <span class="keyword">true</span>;
    1162. 

  1162. <a name="l01122"></a>01122                      resp-&gt;<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a> = req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>; <span class="comment">// copy username in</span>
    1163. 

  1163. <a name="l01123"></a>01123                   }
    1164. 

  1164. <a name="l01124"></a>01124                }
    1165. 

  1165. <a name="l01125"></a>01125                <span class="keywordflow">else</span>
    1166. 

  1166. <a name="l01126"></a>01126                {
    1167. 

  1167. <a name="l01127"></a>01127                   <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Invalid username: &quot;</span> &lt;&lt; req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a> &lt;&lt; <span class="stringliteral">&quot;Send 430.&quot;</span> &lt;&lt; endl;
    1168. 

  1168. <a name="l01128"></a>01128                }
    1169. 

  1169. <a name="l01129"></a>01129             }
    1170. 

  1170. <a name="l01130"></a>01130          }
    1171. 

  1171. <a name="l01131"></a>01131 
    1172. 

  1172. <a name="l01132"></a>01132          <span class="comment">// TODO !jf! should check for unknown attributes here and send 420 listing the</span>
    1173. 

  1173. <a name="l01133"></a>01133          <span class="comment">// unknown attributes.</span>
    1174. 

  1174. <a name="l01134"></a>01134 
    1175. 

  1175. <a name="l01135"></a>01135          <span class="keywordflow">if</span> ( respondTo.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> == 0 ) respondTo = from;
    1176. 

  1176. <a name="l01136"></a>01136          <span class="keywordflow">if</span> ( mapped.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> == 0 ) mapped = from;
    1177. 

  1177. <a name="l01137"></a>01137 
    1178. 

  1178. <a name="l01138"></a>01138          *changeIp   = ( flags &amp; <a class="code" href="stun_8h.html#ad0235d173b2af6e92be9843aaa585eef">ChangeIpFlag</a> )?<span class="keyword">true</span>:<span class="keyword">false</span>;
    1179. 

  1179. <a name="l01139"></a>01139          *changePort = ( flags &amp; <a class="code" href="stun_8h.html#a2f247c137dd06ef8971319b9a6078ef4">ChangePortFlag</a> )?<span class="keyword">true</span>:<span class="keyword">false</span>;
    1180. 

  1180. <a name="l01140"></a>01140 
    1181. 

  1181. <a name="l01141"></a>01141          <span class="keywordflow">if</span> (verbose)
    1182. 

  1182. <a name="l01142"></a>01142          {
    1183. 

  1183. <a name="l01143"></a>01143             clog &lt;&lt; <span class="stringliteral">&quot;Request is valid:&quot;</span> &lt;&lt; endl;
    1184. 

  1184. <a name="l01144"></a>01144             clog &lt;&lt; <span class="stringliteral">&quot;\t flags=&quot;</span> &lt;&lt; flags &lt;&lt; endl;
    1185. 

  1185. <a name="l01145"></a>01145             clog &lt;&lt; <span class="stringliteral">&quot;\t changeIp=&quot;</span> &lt;&lt; *changeIp &lt;&lt; endl;
    1186. 

  1186. <a name="l01146"></a>01146             clog &lt;&lt; <span class="stringliteral">&quot;\t changePort=&quot;</span> &lt;&lt; *changePort &lt;&lt; endl;
    1187. 

  1187. <a name="l01147"></a>01147             clog &lt;&lt; <span class="stringliteral">&quot;\t from = &quot;</span> &lt;&lt; from &lt;&lt; endl;
    1188. 

  1188. <a name="l01148"></a>01148             clog &lt;&lt; <span class="stringliteral">&quot;\t respond to = &quot;</span> &lt;&lt; respondTo &lt;&lt; endl;
    1189. 

  1189. <a name="l01149"></a>01149             clog &lt;&lt; <span class="stringliteral">&quot;\t mapped = &quot;</span> &lt;&lt; mapped &lt;&lt; endl;
    1190. 

  1190. <a name="l01150"></a>01150          }
    1191. 

  1191. <a name="l01151"></a>01151 
    1192. 

  1192. <a name="l01152"></a>01152          <span class="comment">// form the outgoing message</span>
    1193. 

  1193. <a name="l01153"></a>01153          resp-&gt;<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a7cc96e6cbb87582e56f298eb891c43e2">msgType</a> = <a class="code" href="stun_8h.html#af0396ed8e86ae295115e3c2d42a7f1ad">BindResponseMsg</a>;
    1194. 

  1194. <a name="l01154"></a>01154          <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0; i&lt;16; i++ )
    1195. 

  1195. <a name="l01155"></a>01155          {
    1196. 

  1196. <a name="l01156"></a>01156             resp-&gt;<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[i] = req.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[i];
    1197. 

  1197. <a name="l01157"></a>01157          }
    1198. 

  1198. <a name="l01158"></a>01158 
    1199. 

  1199. <a name="l01159"></a>01159          <span class="keywordflow">if</span> ( req.<a class="code" href="structStunMessage.html#ad2d3b64955956272841f656fe354aa18">xorOnly</a> == <span class="keyword">false</span> )
    1200. 

  1200. <a name="l01160"></a>01160          {
    1201. 

  1201. <a name="l01161"></a>01161             resp-&gt;<a class="code" href="structStunMessage.html#a605889708c9696c60f1284b3c486ca18">hasMappedAddress</a> = <span class="keyword">true</span>;
    1202. 

  1202. <a name="l01162"></a>01162             resp-&gt;<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = mapped.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    1203. 

  1203. <a name="l01163"></a>01163             resp-&gt;<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = mapped.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    1204. 

  1204. <a name="l01164"></a>01164          }
    1205. 

  1205. <a name="l01165"></a>01165 
    1206. 

  1206. <a name="l01166"></a>01166          <span class="keywordflow">if</span> (1) <span class="comment">// do xorMapped address or not</span>
    1207. 

  1207. <a name="l01167"></a>01167          {
    1208. 

  1208. <a name="l01168"></a>01168             resp-&gt;<a class="code" href="structStunMessage.html#a8e149870681eebee0a55b0f630c89471">hasXorMappedAddress</a> = <span class="keyword">true</span>;
    1209. 

  1209. <a name="l01169"></a>01169             <a class="code" href="stun_8h.html#accc14a7c843716dfed734f3a03e8d2b6">UInt16</a> id16 = req.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[0]&lt;&lt;8
    1210. 

  1210. <a name="l01170"></a>01170                | req.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[1];
    1211. 

  1211. <a name="l01171"></a>01171             <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a> id32 = req.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[0]&lt;&lt;24
    1212. 

  1212. <a name="l01172"></a>01172                | req.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[1]&lt;&lt;16
    1213. 

  1213. <a name="l01173"></a>01173                | req.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[2]&lt;&lt;8
    1214. 

  1214. <a name="l01174"></a>01174                | req.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[3];
    1215. 

  1215. <a name="l01175"></a>01175             resp-&gt;<a class="code" href="structStunMessage.html#a2ef5db0ff5bd395800262b8b9d49b6bb">xorMappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = mapped.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>^id16;
    1216. 

  1216. <a name="l01176"></a>01176             resp-&gt;<a class="code" href="structStunMessage.html#a2ef5db0ff5bd395800262b8b9d49b6bb">xorMappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = mapped.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>^id32;
    1217. 

  1217. <a name="l01177"></a>01177          }
    1218. 

  1218. <a name="l01178"></a>01178 
    1219. 

  1219. <a name="l01179"></a>01179          resp-&gt;<a class="code" href="structStunMessage.html#a5feb7431931118218d78642c4a7c83db">hasSourceAddress</a> = <span class="keyword">true</span>;
    1220. 

  1220. <a name="l01180"></a>01180          resp-&gt;<a class="code" href="structStunMessage.html#ab7203fc2e5a8b1248c9e14ce6e6ec313">sourceAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = (*changePort) ? altAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> : myAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    1221. 

  1221. <a name="l01181"></a>01181          resp-&gt;<a class="code" href="structStunMessage.html#ab7203fc2e5a8b1248c9e14ce6e6ec313">sourceAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = (*changeIp)   ? altAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> : myAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    1222. 

  1222. <a name="l01182"></a>01182 
    1223. 

  1223. <a name="l01183"></a>01183          resp-&gt;<a class="code" href="structStunMessage.html#a4d3036e012cce04e6be670898f4e24eb">hasChangedAddress</a> = <span class="keyword">true</span>;
    1224. 

  1224. <a name="l01184"></a>01184          resp-&gt;<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = altAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    1225. 

  1225. <a name="l01185"></a>01185          resp-&gt;<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = altAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    1226. 

  1226. <a name="l01186"></a>01186 
    1227. 

  1227. <a name="l01187"></a>01187          <span class="keywordflow">if</span> ( secondary.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> != 0 )
    1228. 

  1228. <a name="l01188"></a>01188          {
    1229. 

  1229. <a name="l01189"></a>01189             resp-&gt;<a class="code" href="structStunMessage.html#ace894f36510487ec8151609513974eba">hasSecondaryAddress</a> = <span class="keyword">true</span>;
    1230. 

  1230. <a name="l01190"></a>01190             resp-&gt;<a class="code" href="structStunMessage.html#a8fc16bd394228aa6fa6e1f5f98c356c1">secondaryAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = secondary.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    1231. 

  1231. <a name="l01191"></a>01191             resp-&gt;<a class="code" href="structStunMessage.html#a8fc16bd394228aa6fa6e1f5f98c356c1">secondaryAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = secondary.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    1232. 

  1232. <a name="l01192"></a>01192          }
    1233. 

  1233. <a name="l01193"></a>01193 
    1234. 

  1234. <a name="l01194"></a>01194          <span class="keywordflow">if</span> ( req.<a class="code" href="structStunMessage.html#a2a22a4f1560b25fcf5247647885bab3c">hasUsername</a> &amp;&amp; req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> &gt; 0 )
    1235. 

  1235. <a name="l01195"></a>01195          {
    1236. 

  1236. <a name="l01196"></a>01196             <span class="comment">// copy username in</span>
    1237. 

  1237. <a name="l01197"></a>01197             resp-&gt;<a class="code" href="structStunMessage.html#a2a22a4f1560b25fcf5247647885bab3c">hasUsername</a> = <span class="keyword">true</span>;
    1238. 

  1238. <a name="l01198"></a>01198             assert( req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> % 4 == 0 );
    1239. 

  1239. <a name="l01199"></a>01199             assert( req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> &lt; <a class="code" href="stun_8h.html#ac4d86797b42c1696b7acbd715481c0b1">STUN_MAX_STRING</a> );
    1240. 

  1240. <a name="l01200"></a>01200             memcpy( resp-&gt;<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>, req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>, req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> );
    1241. 

  1241. <a name="l01201"></a>01201             resp-&gt;<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a>;
    1242. 

  1242. <a name="l01202"></a>01202          }
    1243. 

  1243. <a name="l01203"></a>01203 
    1244. 

  1244. <a name="l01204"></a>01204          <span class="keywordflow">if</span> (1) <span class="comment">// add ServerName</span>
    1245. 

  1245. <a name="l01205"></a>01205          {
    1246. 

  1246. <a name="l01206"></a>01206             resp-&gt;<a class="code" href="structStunMessage.html#afcf544b5b0663edad215525b8bcd67df">hasServerName</a> = <span class="keyword">true</span>;
    1247. 

  1247. <a name="l01207"></a>01207             <span class="keyword">const</span> <span class="keywordtype">char</span> serverName[] = <span class="stringliteral">&quot;Vovida.org &quot;</span> STUN_VERSION; <span class="comment">// must pad to mult of 4</span>
    1248. 

  1248. <a name="l01208"></a>01208 
    1249. 

  1249. <a name="l01209"></a>01209             assert( <span class="keyword">sizeof</span>(serverName) &lt; <a class="code" href="stun_8h.html#ac4d86797b42c1696b7acbd715481c0b1">STUN_MAX_STRING</a> );
    1250. 

  1250. <a name="l01210"></a>01210             <span class="comment">//cerr &lt;&lt; &quot;sizeof serverName is &quot;  &lt;&lt; sizeof(serverName) &lt;&lt; endl;</span>
    1251. 

  1251. <a name="l01211"></a>01211             assert( <span class="keyword">sizeof</span>(serverName)%4 == 0 );
    1252. 

  1252. <a name="l01212"></a>01212             memcpy( resp-&gt;<a class="code" href="structStunMessage.html#a1998c160a79020e146957c14ae1add11">serverName</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>, serverName, <span class="keyword">sizeof</span>(serverName));
    1253. 

  1253. <a name="l01213"></a>01213             resp-&gt;<a class="code" href="structStunMessage.html#a1998c160a79020e146957c14ae1add11">serverName</a>.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = <span class="keyword">sizeof</span>(serverName);
    1254. 

  1254. <a name="l01214"></a>01214          }
    1255. 

  1255. <a name="l01215"></a>01215 
    1256. 

  1256. <a name="l01216"></a>01216          <span class="keywordflow">if</span> ( req.<a class="code" href="structStunMessage.html#a2a47413181e29d0de7063d4bfa6609ff">hasMessageIntegrity</a> &amp; req.<a class="code" href="structStunMessage.html#a2a22a4f1560b25fcf5247647885bab3c">hasUsername</a> )
    1257. 

  1257. <a name="l01217"></a>01217          {
    1258. 

  1258. <a name="l01218"></a>01218             <span class="comment">// this creates the password that will be used in the HMAC when then</span>
    1259. 

  1259. <a name="l01219"></a>01219             <span class="comment">// messages is sent</span>
    1260. 

  1260. <a name="l01220"></a>01220             <a class="code" href="stun_8cc.html#aa8926aedab40d08f5cff31d759415962">stunCreatePassword</a>( req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>, hmacPassword );
    1261. 

  1261. <a name="l01221"></a>01221          }
    1262. 

  1262. <a name="l01222"></a>01222 
    1263. 

  1263. <a name="l01223"></a>01223          <span class="keywordflow">if</span> (req.<a class="code" href="structStunMessage.html#a2a22a4f1560b25fcf5247647885bab3c">hasUsername</a> &amp;&amp; (req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> &gt; 64 ) )
    1264. 

  1264. <a name="l01224"></a>01224          {
    1265. 

  1265. <a name="l01225"></a>01225             <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a> source;
    1266. 

  1266. <a name="l01226"></a>01226             assert( <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>) == <span class="keyword">sizeof</span>(<a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a>) );
    1267. 

  1267. <a name="l01227"></a>01227 
    1268. 

  1268. <a name="l01228"></a>01228             sscanf(req.<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a>.<a class="code" href="structStunAtrString.html#a609965b0f07f831423bda6aaa1b852dc">value</a>, <span class="stringliteral">&quot;%x&quot;</span>, &amp;source);
    1269. 

  1269. <a name="l01229"></a>01229             resp-&gt;<a class="code" href="structStunMessage.html#ab88124a21ca8562a44a696ed4b39fa4f">hasReflectedFrom</a> = <span class="keyword">true</span>;
    1270. 

  1270. <a name="l01230"></a>01230             resp-&gt;<a class="code" href="structStunMessage.html#ab80a59189b1b938698339f788417f32b">reflectedFrom</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = 0;
    1271. 

  1271. <a name="l01231"></a>01231             resp-&gt;<a class="code" href="structStunMessage.html#ab80a59189b1b938698339f788417f32b">reflectedFrom</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = source;
    1272. 

  1272. <a name="l01232"></a>01232          }
    1273. 

  1273. <a name="l01233"></a>01233 
    1274. 

  1274. <a name="l01234"></a>01234          destination-&gt;<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = respondTo.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    1275. 

  1275. <a name="l01235"></a>01235          destination-&gt;<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = respondTo.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    1276. 

  1276. <a name="l01236"></a>01236 
    1277. 

  1277. <a name="l01237"></a>01237          <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1278. 

  1278. <a name="l01238"></a>01238 
    1279. 

  1279. <a name="l01239"></a>01239       <span class="keywordflow">default</span>:
    1280. 

  1280. <a name="l01240"></a>01240          <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;Unknown or unsupported request &quot;</span> &lt;&lt; endl;
    1281. 

  1281. <a name="l01241"></a>01241          <span class="keywordflow">return</span> <span class="keyword">false</span>;
    1282. 

  1282. <a name="l01242"></a>01242    }
    1283. 

  1283. <a name="l01243"></a>01243 
    1284. 

  1284. <a name="l01244"></a>01244    assert(0);
    1285. 

  1285. <a name="l01245"></a>01245    <span class="keywordflow">return</span> <span class="keyword">false</span>;
    1286. 

  1286. <a name="l01246"></a>01246 }
    1287. 

  1287. <a name="l01247"></a>01247 
    1288. 

  1288. <a name="l01248"></a>01248 <span class="keywordtype">bool</span>
    1289. 

  1289. <a name="l01249"></a><a class="code" href="stun_8h.html#a99639b68ee528c79e96973a2642184a4">01249</a> <a class="code" href="stun_8cc.html#a99639b68ee528c79e96973a2642184a4" title="return true if all is OK Create a media relay and do the STERN thing if startMediaPort is non-zero...">stunInitServer</a>(<a class="code" href="structStunServerInfo.html">StunServerInfo</a>&amp; info, <span class="keyword">const</span> <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; myAddr,
    1290. 

  1290. <a name="l01250"></a>01250                <span class="keyword">const</span> <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; altAddr, <span class="keywordtype">int</span> startMediaPort, <span class="keywordtype">bool</span> verbose )
    1291. 

  1291. <a name="l01251"></a>01251 {
    1292. 

  1292. <a name="l01252"></a>01252    assert( myAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> != 0 );
    1293. 

  1293. <a name="l01253"></a>01253    assert( altAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>!= 0 );
    1294. 

  1294. <a name="l01254"></a>01254    assert( myAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>  != 0 );
    1295. 

  1295. <a name="l01255"></a>01255    <span class="comment">//assert( altAddr.addr != 0 );</span>
    1296. 

  1296. <a name="l01256"></a>01256 
    1297. 

  1297. <a name="l01257"></a>01257    info.<a class="code" href="structStunServerInfo.html#a9abf6e6b89123dd6d7a71bba5a0b77d6">myAddr</a> = myAddr;
    1298. 

  1298. <a name="l01258"></a>01258    info.<a class="code" href="structStunServerInfo.html#ac6295f141e0926994747bbc198a19d55">altAddr</a> = altAddr;
    1299. 

  1299. <a name="l01259"></a>01259 
    1300. 

  1300. <a name="l01260"></a>01260    info.<a class="code" href="structStunServerInfo.html#afa85d638d48bf0598161a7e9158aba3f">myFd</a> = <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>;
    1301. 

  1301. <a name="l01261"></a>01261    info.<a class="code" href="structStunServerInfo.html#a2da8a94e9a9867e7c5d3b3e3c317120c">altPortFd</a> = <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>;
    1302. 

  1302. <a name="l01262"></a>01262    info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a> = <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>;
    1303. 

  1303. <a name="l01263"></a>01263    info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a> = <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>;
    1304. 

  1304. <a name="l01264"></a>01264 
    1305. 

  1305. <a name="l01265"></a>01265    memset(info.<a class="code" href="structStunServerInfo.html#aed8568086c549986f985f02a691da173">relays</a>, 0, <span class="keyword">sizeof</span>(info.<a class="code" href="structStunServerInfo.html#aed8568086c549986f985f02a691da173">relays</a>));
    1306. 

  1306. <a name="l01266"></a>01266    <span class="keywordflow">if</span> (startMediaPort &gt; 0)
    1307. 

  1307. <a name="l01267"></a>01267    {
    1308. 

  1308. <a name="l01268"></a>01268       info.<a class="code" href="structStunServerInfo.html#a5dcc784d754928455caab60d6a34f73e">relay</a> = <span class="keyword">true</span>;
    1309. 

  1309. <a name="l01269"></a>01269 
    1310. 

  1310. <a name="l01270"></a>01270       <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;MAX_MEDIA_RELAYS; ++i)
    1311. 

  1311. <a name="l01271"></a>01271       {
    1312. 

  1312. <a name="l01272"></a>01272          <a class="code" href="structStunMediaRelay.html">StunMediaRelay</a>* relay = &amp;info.<a class="code" href="structStunServerInfo.html#aed8568086c549986f985f02a691da173">relays</a>[i];
    1313. 

  1313. <a name="l01273"></a>01273          relay-&gt;<a class="code" href="structStunMediaRelay.html#a18c86cb9d0058de5ab6b5adf449a275b">relayPort</a> = startMediaPort+i;
    1314. 

  1314. <a name="l01274"></a>01274          relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a> = 0;
    1315. 

  1315. <a name="l01275"></a>01275          relay-&gt;<a class="code" href="structStunMediaRelay.html#a16873193e181c40809e3f3f91bfb78ff">expireTime</a> = 0;
    1316. 

  1316. <a name="l01276"></a>01276       }
    1317. 

  1317. <a name="l01277"></a>01277    }
    1318. 

  1318. <a name="l01278"></a>01278    <span class="keywordflow">else</span>
    1319. 

  1319. <a name="l01279"></a>01279    {
    1320. 

  1320. <a name="l01280"></a>01280       info.<a class="code" href="structStunServerInfo.html#a5dcc784d754928455caab60d6a34f73e">relay</a> = <span class="keyword">false</span>;
    1321. 

  1321. <a name="l01281"></a>01281    }
    1322. 

  1322. <a name="l01282"></a>01282 
    1323. 

  1323. <a name="l01283"></a>01283    <span class="keywordflow">if</span> ((info.<a class="code" href="structStunServerInfo.html#afa85d638d48bf0598161a7e9158aba3f">myFd</a> = <a class="code" href="stun__udp_8h.html#a44f511e14438aa519a0f367a84de4000" title="Open a UDP socket to receive on the given port - if port is 0, pick a a port, if interfaceIp!=0 then ...">openPort</a>(myAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>, myAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>,verbose)) == <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>)
    1324. 

  1324. <a name="l01284"></a>01284    {
    1325. 

  1325. <a name="l01285"></a>01285       clog &lt;&lt; <span class="stringliteral">&quot;Can&#39;t open &quot;</span> &lt;&lt; myAddr &lt;&lt; endl;
    1326. 

  1326. <a name="l01286"></a>01286       <a class="code" href="stun_8cc.html#a9ed82a9b4b17f3f4d9bf1fd4d5b8bfd2">stunStopServer</a>(info);
    1327. 

  1327. <a name="l01287"></a>01287 
    1328. 

  1328. <a name="l01288"></a>01288       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    1329. 

  1329. <a name="l01289"></a>01289    }
    1330. 

  1330. <a name="l01290"></a>01290    <span class="comment">//if (verbose) clog &lt;&lt; &quot;Opened &quot; &lt;&lt; myAddr.addr &lt;&lt; &quot;:&quot; &lt;&lt; myAddr.port &lt;&lt; &quot; --&gt; &quot; &lt;&lt; info.myFd &lt;&lt; endl;</span>
    1331. 

  1331. <a name="l01291"></a>01291 
    1332. 

  1332. <a name="l01292"></a>01292    <span class="keywordflow">if</span> ((info.<a class="code" href="structStunServerInfo.html#a2da8a94e9a9867e7c5d3b3e3c317120c">altPortFd</a> = <a class="code" href="stun__udp_8h.html#a44f511e14438aa519a0f367a84de4000" title="Open a UDP socket to receive on the given port - if port is 0, pick a a port, if interfaceIp!=0 then ...">openPort</a>(altAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>,myAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>,verbose)) == <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>)
    1333. 

  1333. <a name="l01293"></a>01293    {
    1334. 

  1334. <a name="l01294"></a>01294       clog &lt;&lt; <span class="stringliteral">&quot;Can&#39;t open &quot;</span> &lt;&lt; myAddr &lt;&lt; endl;
    1335. 

  1335. <a name="l01295"></a>01295       <a class="code" href="stun_8cc.html#a9ed82a9b4b17f3f4d9bf1fd4d5b8bfd2">stunStopServer</a>(info);
    1336. 

  1336. <a name="l01296"></a>01296       <span class="keywordflow">return</span> <span class="keyword">false</span>;
    1337. 

  1337. <a name="l01297"></a>01297    }
    1338. 

  1338. <a name="l01298"></a>01298    <span class="comment">//if (verbose) clog &lt;&lt; &quot;Opened &quot; &lt;&lt; myAddr.addr &lt;&lt; &quot;:&quot; &lt;&lt; altAddr.port &lt;&lt; &quot; --&gt; &quot; &lt;&lt; info.altPortFd &lt;&lt; endl;</span>
    1339. 

  1339. <a name="l01299"></a>01299 
    1340. 

  1340. <a name="l01300"></a>01300 
    1341. 

  1341. <a name="l01301"></a>01301    info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a> = <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>;
    1342. 

  1342. <a name="l01302"></a>01302    <span class="keywordflow">if</span> (  altAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> != 0 )
    1343. 

  1343. <a name="l01303"></a>01303    {
    1344. 

  1344. <a name="l01304"></a>01304       <span class="keywordflow">if</span> ((info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a> = <a class="code" href="stun__udp_8h.html#a44f511e14438aa519a0f367a84de4000" title="Open a UDP socket to receive on the given port - if port is 0, pick a a port, if interfaceIp!=0 then ...">openPort</a>( myAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>, altAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>,verbose)) == <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>)
    1345. 

  1345. <a name="l01305"></a>01305       {
    1346. 

  1346. <a name="l01306"></a>01306          clog &lt;&lt; <span class="stringliteral">&quot;Can&#39;t open &quot;</span> &lt;&lt; altAddr &lt;&lt; endl;
    1347. 

  1347. <a name="l01307"></a>01307          <a class="code" href="stun_8cc.html#a9ed82a9b4b17f3f4d9bf1fd4d5b8bfd2">stunStopServer</a>(info);
    1348. 

  1348. <a name="l01308"></a>01308          <span class="keywordflow">return</span> <span class="keyword">false</span>;
    1349. 

  1349. <a name="l01309"></a>01309       }
    1350. 

  1350. <a name="l01310"></a>01310       <span class="comment">//if (verbose) clog &lt;&lt; &quot;Opened &quot; &lt;&lt; altAddr.addr &lt;&lt; &quot;:&quot; &lt;&lt; myAddr.port &lt;&lt; &quot; --&gt; &quot; &lt;&lt; info.altIpFd &lt;&lt; endl;;</span>
    1351. 

  1351. <a name="l01311"></a>01311    }
    1352. 

  1352. <a name="l01312"></a>01312 
    1353. 

  1353. <a name="l01313"></a>01313    info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a> = <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>;
    1354. 

  1354. <a name="l01314"></a>01314    <span class="keywordflow">if</span> (  altAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> != 0 )
    1355. 

  1355. <a name="l01315"></a>01315    {  <span class="keywordflow">if</span> ((info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a> = <a class="code" href="stun__udp_8h.html#a44f511e14438aa519a0f367a84de4000" title="Open a UDP socket to receive on the given port - if port is 0, pick a a port, if interfaceIp!=0 then ...">openPort</a>(altAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>, altAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>,verbose)) == <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>)
    1356. 

  1356. <a name="l01316"></a>01316       {
    1357. 

  1357. <a name="l01317"></a>01317          clog &lt;&lt; <span class="stringliteral">&quot;Can&#39;t open &quot;</span> &lt;&lt; altAddr &lt;&lt; endl;
    1358. 

  1358. <a name="l01318"></a>01318          <a class="code" href="stun_8cc.html#a9ed82a9b4b17f3f4d9bf1fd4d5b8bfd2">stunStopServer</a>(info);
    1359. 

  1359. <a name="l01319"></a>01319          <span class="keywordflow">return</span> <span class="keyword">false</span>;
    1360. 

  1360. <a name="l01320"></a>01320       }
    1361. 

  1361. <a name="l01321"></a>01321       <span class="comment">//if (verbose) clog &lt;&lt; &quot;Opened &quot; &lt;&lt; altAddr.addr &lt;&lt; &quot;:&quot; &lt;&lt; altAddr.port &lt;&lt; &quot; --&gt; &quot; &lt;&lt; info.altIpPortFd &lt;&lt; endl;;</span>
    1362. 

  1362. <a name="l01322"></a>01322    }
    1363. 

  1363. <a name="l01323"></a>01323 
    1364. 

  1364. <a name="l01324"></a>01324    <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1365. 

  1365. <a name="l01325"></a>01325 }
    1366. 

  1366. <a name="l01326"></a>01326 
    1367. 

  1367. <a name="l01327"></a>01327 <span class="keywordtype">void</span>
    1368. 

  1368. <a name="l01328"></a><a class="code" href="stun_8h.html#a9ed82a9b4b17f3f4d9bf1fd4d5b8bfd2">01328</a> <a class="code" href="stun_8cc.html#a9ed82a9b4b17f3f4d9bf1fd4d5b8bfd2">stunStopServer</a>(<a class="code" href="structStunServerInfo.html">StunServerInfo</a>&amp; info)
    1369. 

  1369. <a name="l01329"></a>01329 {
    1370. 

  1370. <a name="l01330"></a>01330    <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#afa85d638d48bf0598161a7e9158aba3f">myFd</a> &gt; 0) <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>(info.<a class="code" href="structStunServerInfo.html#afa85d638d48bf0598161a7e9158aba3f">myFd</a>);
    1371. 

  1371. <a name="l01331"></a>01331    <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#a2da8a94e9a9867e7c5d3b3e3c317120c">altPortFd</a> &gt; 0) <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>(info.<a class="code" href="structStunServerInfo.html#a2da8a94e9a9867e7c5d3b3e3c317120c">altPortFd</a>);
    1372. 

  1372. <a name="l01332"></a>01332    <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a> &gt; 0) <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>(info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a>);
    1373. 

  1373. <a name="l01333"></a>01333    <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a> &gt; 0) <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>(info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a>);
    1374. 

  1374. <a name="l01334"></a>01334 
    1375. 

  1375. <a name="l01335"></a>01335    <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#a5dcc784d754928455caab60d6a34f73e">relay</a>)
    1376. 

  1376. <a name="l01336"></a>01336    {
    1377. 

  1377. <a name="l01337"></a>01337       <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;MAX_MEDIA_RELAYS; ++i)
    1378. 

  1378. <a name="l01338"></a>01338       {
    1379. 

  1379. <a name="l01339"></a>01339          <a class="code" href="structStunMediaRelay.html">StunMediaRelay</a>* relay = &amp;info.<a class="code" href="structStunServerInfo.html#aed8568086c549986f985f02a691da173">relays</a>[i];
    1380. 

  1380. <a name="l01340"></a>01340          <span class="keywordflow">if</span> (relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a>)
    1381. 

  1381. <a name="l01341"></a>01341          {
    1382. 

  1382. <a name="l01342"></a>01342             <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>(relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a>);
    1383. 

  1383. <a name="l01343"></a>01343             relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a> = 0;
    1384. 

  1384. <a name="l01344"></a>01344          }
    1385. 

  1385. <a name="l01345"></a>01345       }
    1386. 

  1386. <a name="l01346"></a>01346    }
    1387. 

  1387. <a name="l01347"></a>01347 }
    1388. 

  1388. <a name="l01348"></a>01348 
    1389. 

  1389. <a name="l01349"></a>01349 
    1390. 

  1390. <a name="l01350"></a>01350 <span class="keywordtype">bool</span>
    1391. 

  1391. <a name="l01351"></a><a class="code" href="stun_8h.html#a9c0e750bd19cdfcf4b2b36f9ddefc497">01351</a> <a class="code" href="stun_8cc.html#a9c0e750bd19cdfcf4b2b36f9ddefc497" title="return true if all is OK">stunServerProcess</a>(<a class="code" href="structStunServerInfo.html">StunServerInfo</a>&amp; info, <span class="keywordtype">bool</span> verbose)
    1392. 

  1392. <a name="l01352"></a>01352 {
    1393. 

  1393. <a name="l01353"></a>01353    <span class="keywordtype">char</span> msg[STUN_MAX_MESSAGE_SIZE];
    1394. 

  1394. <a name="l01354"></a>01354    <span class="keywordtype">int</span> msgLen = <span class="keyword">sizeof</span>(msg);
    1395. 

  1395. <a name="l01355"></a>01355 
    1396. 

  1396. <a name="l01356"></a>01356    <span class="keywordtype">bool</span> ok = <span class="keyword">false</span>;
    1397. 

  1397. <a name="l01357"></a>01357    <span class="keywordtype">bool</span> recvAltIp =<span class="keyword">false</span>;
    1398. 

  1398. <a name="l01358"></a>01358    <span class="keywordtype">bool</span> recvAltPort = <span class="keyword">false</span>;
    1399. 

  1399. <a name="l01359"></a>01359 
    1400. 

  1400. <a name="l01360"></a>01360    fd_set fdSet;
    1401. 

  1401. <a name="l01361"></a>01361    <a class="code" href="stun_8h.html#af9381320a2640ea84038579d8f143c01">Socket</a> maxFd=0;
    1402. 

  1402. <a name="l01362"></a>01362 
    1403. 

  1403. <a name="l01363"></a>01363    FD_ZERO(&amp;fdSet);
    1404. 

  1404. <a name="l01364"></a>01364    FD_SET(info.<a class="code" href="structStunServerInfo.html#afa85d638d48bf0598161a7e9158aba3f">myFd</a>,&amp;fdSet);
    1405. 

  1405. <a name="l01365"></a>01365    <span class="keywordflow">if</span> ( info.<a class="code" href="structStunServerInfo.html#afa85d638d48bf0598161a7e9158aba3f">myFd</a> &gt;= maxFd ) maxFd=info.<a class="code" href="structStunServerInfo.html#afa85d638d48bf0598161a7e9158aba3f">myFd</a>+1;
    1406. 

  1406. <a name="l01366"></a>01366    FD_SET(info.<a class="code" href="structStunServerInfo.html#a2da8a94e9a9867e7c5d3b3e3c317120c">altPortFd</a>,&amp;fdSet);
    1407. 

  1407. <a name="l01367"></a>01367    <span class="keywordflow">if</span> ( info.<a class="code" href="structStunServerInfo.html#a2da8a94e9a9867e7c5d3b3e3c317120c">altPortFd</a> &gt;= maxFd ) maxFd=info.<a class="code" href="structStunServerInfo.html#a2da8a94e9a9867e7c5d3b3e3c317120c">altPortFd</a>+1;
    1408. 

  1408. <a name="l01368"></a>01368 
    1409. 

  1409. <a name="l01369"></a>01369    <span class="keywordflow">if</span> ( info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a> != <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a> )
    1410. 

  1410. <a name="l01370"></a>01370    {
    1411. 

  1411. <a name="l01371"></a>01371       FD_SET(info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a>,&amp;fdSet);
    1412. 

  1412. <a name="l01372"></a>01372       <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a>&gt;=maxFd) maxFd=info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a>+1;
    1413. 

  1413. <a name="l01373"></a>01373    }
    1414. 

  1414. <a name="l01374"></a>01374    <span class="keywordflow">if</span> ( info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a> != <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a> )
    1415. 

  1415. <a name="l01375"></a>01375    {
    1416. 

  1416. <a name="l01376"></a>01376       FD_SET(info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a>,&amp;fdSet);
    1417. 

  1417. <a name="l01377"></a>01377       <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a>&gt;=maxFd) maxFd=info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a>+1;
    1418. 

  1418. <a name="l01378"></a>01378    }
    1419. 

  1419. <a name="l01379"></a>01379 
    1420. 

  1420. <a name="l01380"></a>01380    <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#a5dcc784d754928455caab60d6a34f73e">relay</a>)
    1421. 

  1421. <a name="l01381"></a>01381    {
    1422. 

  1422. <a name="l01382"></a>01382       <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;MAX_MEDIA_RELAYS; ++i)
    1423. 

  1423. <a name="l01383"></a>01383       {
    1424. 

  1424. <a name="l01384"></a>01384          <a class="code" href="structStunMediaRelay.html">StunMediaRelay</a>* relay = &amp;info.<a class="code" href="structStunServerInfo.html#aed8568086c549986f985f02a691da173">relays</a>[i];
    1425. 

  1425. <a name="l01385"></a>01385          <span class="keywordflow">if</span> (relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a>)
    1426. 

  1426. <a name="l01386"></a>01386          {
    1427. 

  1427. <a name="l01387"></a>01387             FD_SET(relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a>, &amp;fdSet);
    1428. 

  1428. <a name="l01388"></a>01388             <span class="keywordflow">if</span> (relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a> &gt;= maxFd)
    1429. 

  1429. <a name="l01389"></a>01389                         {
    1430. 

  1430. <a name="l01390"></a>01390                                 maxFd=relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a>+1;
    1431. 

  1431. <a name="l01391"></a>01391                         }
    1432. 

  1432. <a name="l01392"></a>01392          }
    1433. 

  1433. <a name="l01393"></a>01393       }
    1434. 

  1434. <a name="l01394"></a>01394    }
    1435. 

  1435. <a name="l01395"></a>01395 
    1436. 

  1436. <a name="l01396"></a>01396    <span class="keywordflow">if</span> ( info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a> != <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a> )
    1437. 

  1437. <a name="l01397"></a>01397    {
    1438. 

  1438. <a name="l01398"></a>01398       FD_SET(info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a>,&amp;fdSet);
    1439. 

  1439. <a name="l01399"></a>01399       <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a>&gt;=maxFd) maxFd=info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a>+1;
    1440. 

  1440. <a name="l01400"></a>01400    }
    1441. 

  1441. <a name="l01401"></a>01401    <span class="keywordflow">if</span> ( info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a> != <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a> )
    1442. 

  1442. <a name="l01402"></a>01402    {
    1443. 

  1443. <a name="l01403"></a>01403       FD_SET(info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a>,&amp;fdSet);
    1444. 

  1444. <a name="l01404"></a>01404       <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a>&gt;=maxFd) maxFd=info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a>+1;
    1445. 

  1445. <a name="l01405"></a>01405    }
    1446. 

  1446. <a name="l01406"></a>01406 
    1447. 

  1447. <a name="l01407"></a>01407    <span class="keyword">struct </span>timeval tv;
    1448. 

  1448. <a name="l01408"></a>01408    tv.tv_sec = 0;
    1449. 

  1449. <a name="l01409"></a>01409    tv.tv_usec = 1000;
    1450. 

  1450. <a name="l01410"></a>01410 
    1451. 

  1451. <a name="l01411"></a>01411    <span class="keywordtype">int</span> e = select( maxFd, &amp;fdSet, NULL,NULL, &amp;tv );
    1452. 

  1452. <a name="l01412"></a>01412    <span class="keywordflow">if</span> (e &lt; 0)
    1453. 

  1453. <a name="l01413"></a>01413    {
    1454. 

  1454. <a name="l01414"></a>01414       <span class="keywordtype">int</span> err = <a class="code" href="stun__udp_8h.html#a604d53fe9d66ce3a47ab2354b20f8e62">getErrno</a>();
    1455. 

  1455. <a name="l01415"></a>01415       clog &lt;&lt; <span class="stringliteral">&quot;Error on select: &quot;</span> &lt;&lt; strerror(err) &lt;&lt; endl;
    1456. 

  1456. <a name="l01416"></a>01416    }
    1457. 

  1457. <a name="l01417"></a>01417    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (e &gt;= 0)
    1458. 

  1458. <a name="l01418"></a>01418    {
    1459. 

  1459. <a name="l01419"></a>01419       <a class="code" href="structStunAddress4.html">StunAddress4</a> from;
    1460. 

  1460. <a name="l01420"></a>01420 
    1461. 

  1461. <a name="l01421"></a>01421       <span class="comment">// do the media relaying</span>
    1462. 

  1462. <a name="l01422"></a>01422       <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#a5dcc784d754928455caab60d6a34f73e">relay</a>)
    1463. 

  1463. <a name="l01423"></a>01423       {
    1464. 

  1464. <a name="l01424"></a>01424          time_t now = time(0);
    1465. 

  1465. <a name="l01425"></a>01425          <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;MAX_MEDIA_RELAYS; ++i)
    1466. 

  1466. <a name="l01426"></a>01426          {
    1467. 

  1467. <a name="l01427"></a>01427             <a class="code" href="structStunMediaRelay.html">StunMediaRelay</a>* relay = &amp;info.<a class="code" href="structStunServerInfo.html#aed8568086c549986f985f02a691da173">relays</a>[i];
    1468. 

  1468. <a name="l01428"></a>01428             <span class="keywordflow">if</span> (relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a>)
    1469. 

  1469. <a name="l01429"></a>01429             {
    1470. 

  1470. <a name="l01430"></a>01430                <span class="keywordflow">if</span> (FD_ISSET(relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a>, &amp;fdSet))
    1471. 

  1471. <a name="l01431"></a>01431                {
    1472. 

  1472. <a name="l01432"></a>01432                   <span class="keywordtype">char</span> msg[MAX_RTP_MSG_SIZE];
    1473. 

  1473. <a name="l01433"></a>01433                   <span class="keywordtype">int</span> msgLen = <span class="keyword">sizeof</span>(msg);
    1474. 

  1474. <a name="l01434"></a>01434 
    1475. 

  1475. <a name="l01435"></a>01435                   <a class="code" href="structStunAddress4.html">StunAddress4</a> rtpFrom;
    1476. 

  1476. <a name="l01436"></a>01436                   ok = <a class="code" href="stun__udp_8h.html#a6eef3fdbadd5e5a9de73b7be46ce5aa2" title="recive a UDP message">getMessage</a>( relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a>, msg, &amp;msgLen, &amp;rtpFrom.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, &amp;rtpFrom.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> ,verbose);
    1477. 

  1477. <a name="l01437"></a>01437                   <span class="keywordflow">if</span> (ok)
    1478. 

  1478. <a name="l01438"></a>01438                   {
    1479. 

  1479. <a name="l01439"></a>01439                      <a class="code" href="stun__udp_8h.html#a784917c5dceb731fee666978078b8bc5" title="send a UDP message">sendMessage</a>(info.<a class="code" href="structStunServerInfo.html#afa85d638d48bf0598161a7e9158aba3f">myFd</a>, msg, msgLen, relay-&gt;<a class="code" href="structStunMediaRelay.html#a3adead8f4ff0c1b71bee2aecfa88f641">destination</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, relay-&gt;<a class="code" href="structStunMediaRelay.html#a3adead8f4ff0c1b71bee2aecfa88f641">destination</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>, verbose);
    1480. 

  1480. <a name="l01440"></a>01440                      relay-&gt;<a class="code" href="structStunMediaRelay.html#a16873193e181c40809e3f3f91bfb78ff">expireTime</a> = now + MEDIA_RELAY_TIMEOUT;
    1481. 

  1481. <a name="l01441"></a>01441                      <span class="keywordflow">if</span> ( verbose ) clog &lt;&lt; <span class="stringliteral">&quot;Relay packet on &quot;</span>
    1482. 

  1482. <a name="l01442"></a>01442                                          &lt;&lt; relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a>
    1483. 

  1483. <a name="l01443"></a>01443                                          &lt;&lt; <span class="stringliteral">&quot; from &quot;</span> &lt;&lt; rtpFrom
    1484. 

  1484. <a name="l01444"></a>01444                                          &lt;&lt; <span class="stringliteral">&quot; -&gt; &quot;</span> &lt;&lt; relay-&gt;<a class="code" href="structStunMediaRelay.html#a3adead8f4ff0c1b71bee2aecfa88f641">destination</a>
    1485. 

  1485. <a name="l01445"></a>01445                                          &lt;&lt; endl;
    1486. 

  1486. <a name="l01446"></a>01446                   }
    1487. 

  1487. <a name="l01447"></a>01447                }
    1488. 

  1488. <a name="l01448"></a>01448                <span class="keywordflow">else</span> <span class="keywordflow">if</span> (now &gt; relay-&gt;<a class="code" href="structStunMediaRelay.html#a16873193e181c40809e3f3f91bfb78ff">expireTime</a>)
    1489. 

  1489. <a name="l01449"></a>01449                {
    1490. 

  1490. <a name="l01450"></a>01450                   <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>(relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a>);
    1491. 

  1491. <a name="l01451"></a>01451                   relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a> = 0;
    1492. 

  1492. <a name="l01452"></a>01452                }
    1493. 

  1493. <a name="l01453"></a>01453             }
    1494. 

  1494. <a name="l01454"></a>01454          }
    1495. 

  1495. <a name="l01455"></a>01455       }
    1496. 

  1496. <a name="l01456"></a>01456 
    1497. 

  1497. <a name="l01457"></a>01457 
    1498. 

  1498. <a name="l01458"></a>01458       <span class="keywordflow">if</span> (FD_ISSET(info.<a class="code" href="structStunServerInfo.html#afa85d638d48bf0598161a7e9158aba3f">myFd</a>,&amp;fdSet))
    1499. 

  1499. <a name="l01459"></a>01459       {
    1500. 

  1500. <a name="l01460"></a>01460          <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;received on A1:P1&quot;</span> &lt;&lt; endl;
    1501. 

  1501. <a name="l01461"></a>01461          recvAltIp = <span class="keyword">false</span>;
    1502. 

  1502. <a name="l01462"></a>01462          recvAltPort = <span class="keyword">false</span>;
    1503. 

  1503. <a name="l01463"></a>01463          ok = <a class="code" href="stun__udp_8h.html#a6eef3fdbadd5e5a9de73b7be46ce5aa2" title="recive a UDP message">getMessage</a>( info.<a class="code" href="structStunServerInfo.html#afa85d638d48bf0598161a7e9158aba3f">myFd</a>, msg, &amp;msgLen, &amp;from.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, &amp;from.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>,verbose );
    1504. 

  1504. <a name="l01464"></a>01464       }
    1505. 

  1505. <a name="l01465"></a>01465       <span class="keywordflow">else</span> <span class="keywordflow">if</span> (FD_ISSET(info.<a class="code" href="structStunServerInfo.html#a2da8a94e9a9867e7c5d3b3e3c317120c">altPortFd</a>, &amp;fdSet))
    1506. 

  1506. <a name="l01466"></a>01466       {
    1507. 

  1507. <a name="l01467"></a>01467          <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;received on A1:P2&quot;</span> &lt;&lt; endl;
    1508. 

  1508. <a name="l01468"></a>01468          recvAltIp = <span class="keyword">false</span>;
    1509. 

  1509. <a name="l01469"></a>01469          recvAltPort = <span class="keyword">true</span>;
    1510. 

  1510. <a name="l01470"></a>01470          ok = <a class="code" href="stun__udp_8h.html#a6eef3fdbadd5e5a9de73b7be46ce5aa2" title="recive a UDP message">getMessage</a>( info.<a class="code" href="structStunServerInfo.html#a2da8a94e9a9867e7c5d3b3e3c317120c">altPortFd</a>, msg, &amp;msgLen, &amp;from.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, &amp;from.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>,verbose );
    1511. 

  1511. <a name="l01471"></a>01471       }
    1512. 

  1512. <a name="l01472"></a>01472       <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( (info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a>!=<a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>) &amp;&amp; FD_ISSET(info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a>,&amp;fdSet))
    1513. 

  1513. <a name="l01473"></a>01473       {
    1514. 

  1514. <a name="l01474"></a>01474          <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;received on A2:P1&quot;</span> &lt;&lt; endl;
    1515. 

  1515. <a name="l01475"></a>01475          recvAltIp = <span class="keyword">true</span>;
    1516. 

  1516. <a name="l01476"></a>01476          recvAltPort = <span class="keyword">false</span>;
    1517. 

  1517. <a name="l01477"></a>01477          ok = <a class="code" href="stun__udp_8h.html#a6eef3fdbadd5e5a9de73b7be46ce5aa2" title="recive a UDP message">getMessage</a>( info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a>, msg, &amp;msgLen, &amp;from.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, &amp;from.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> ,verbose);
    1518. 

  1518. <a name="l01478"></a>01478       }
    1519. 

  1519. <a name="l01479"></a>01479       <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( (info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a>!=<a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>) &amp;&amp; FD_ISSET(info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a>, &amp;fdSet))
    1520. 

  1520. <a name="l01480"></a>01480       {
    1521. 

  1521. <a name="l01481"></a>01481          <span class="keywordflow">if</span> (verbose) clog &lt;&lt; <span class="stringliteral">&quot;received on A2:P2&quot;</span> &lt;&lt; endl;
    1522. 

  1522. <a name="l01482"></a>01482          recvAltIp = <span class="keyword">true</span>;
    1523. 

  1523. <a name="l01483"></a>01483          recvAltPort = <span class="keyword">true</span>;
    1524. 

  1524. <a name="l01484"></a>01484          ok = <a class="code" href="stun__udp_8h.html#a6eef3fdbadd5e5a9de73b7be46ce5aa2" title="recive a UDP message">getMessage</a>( info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a>, msg, &amp;msgLen, &amp;from.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, &amp;from.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>,verbose );
    1525. 

  1525. <a name="l01485"></a>01485       }
    1526. 

  1526. <a name="l01486"></a>01486       <span class="keywordflow">else</span>
    1527. 

  1527. <a name="l01487"></a>01487       {
    1528. 

  1528. <a name="l01488"></a>01488          <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1529. 

  1529. <a name="l01489"></a>01489       }
    1530. 

  1530. <a name="l01490"></a>01490 
    1531. 

  1531. <a name="l01491"></a>01491       <span class="keywordtype">int</span> relayPort = 0;
    1532. 

  1532. <a name="l01492"></a>01492       <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#a5dcc784d754928455caab60d6a34f73e">relay</a>)
    1533. 

  1533. <a name="l01493"></a>01493       {
    1534. 

  1534. <a name="l01494"></a>01494          <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;MAX_MEDIA_RELAYS; ++i)
    1535. 

  1535. <a name="l01495"></a>01495          {
    1536. 

  1536. <a name="l01496"></a>01496             <a class="code" href="structStunMediaRelay.html">StunMediaRelay</a>* relay = &amp;info.<a class="code" href="structStunServerInfo.html#aed8568086c549986f985f02a691da173">relays</a>[i];
    1537. 

  1537. <a name="l01497"></a>01497             <span class="keywordflow">if</span> (relay-&gt;<a class="code" href="structStunMediaRelay.html#a3adead8f4ff0c1b71bee2aecfa88f641">destination</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> == from.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> &amp;&amp;
    1538. 

  1538. <a name="l01498"></a>01498                 relay-&gt;<a class="code" href="structStunMediaRelay.html#a3adead8f4ff0c1b71bee2aecfa88f641">destination</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> == from.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>)
    1539. 

  1539. <a name="l01499"></a>01499             {
    1540. 

  1540. <a name="l01500"></a>01500                relayPort = relay-&gt;<a class="code" href="structStunMediaRelay.html#a18c86cb9d0058de5ab6b5adf449a275b">relayPort</a>;
    1541. 

  1541. <a name="l01501"></a>01501                relay-&gt;<a class="code" href="structStunMediaRelay.html#a16873193e181c40809e3f3f91bfb78ff">expireTime</a> = time(0) + MEDIA_RELAY_TIMEOUT;
    1542. 

  1542. <a name="l01502"></a>01502                <span class="keywordflow">break</span>;
    1543. 

  1543. <a name="l01503"></a>01503             }
    1544. 

  1544. <a name="l01504"></a>01504          }
    1545. 

  1545. <a name="l01505"></a>01505 
    1546. 

  1546. <a name="l01506"></a>01506          <span class="keywordflow">if</span> (relayPort == 0)
    1547. 

  1547. <a name="l01507"></a>01507          {
    1548. 

  1548. <a name="l01508"></a>01508             <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;MAX_MEDIA_RELAYS; ++i)
    1549. 

  1549. <a name="l01509"></a>01509             {
    1550. 

  1550. <a name="l01510"></a>01510                <a class="code" href="structStunMediaRelay.html">StunMediaRelay</a>* relay = &amp;info.<a class="code" href="structStunServerInfo.html#aed8568086c549986f985f02a691da173">relays</a>[i];
    1551. 

  1551. <a name="l01511"></a>01511                <span class="keywordflow">if</span> (relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a> == 0)
    1552. 

  1552. <a name="l01512"></a>01512                {
    1553. 

  1553. <a name="l01513"></a>01513                   <span class="keywordflow">if</span> ( verbose ) clog &lt;&lt; <span class="stringliteral">&quot;Open relay port &quot;</span> &lt;&lt; relay-&gt;<a class="code" href="structStunMediaRelay.html#a18c86cb9d0058de5ab6b5adf449a275b">relayPort</a> &lt;&lt; endl;
    1554. 

  1554. <a name="l01514"></a>01514 
    1555. 

  1555. <a name="l01515"></a>01515                   relay-&gt;<a class="code" href="structStunMediaRelay.html#aebc07662e0b3728286c6da02d29806e8">fd</a> = <a class="code" href="stun__udp_8h.html#a44f511e14438aa519a0f367a84de4000" title="Open a UDP socket to receive on the given port - if port is 0, pick a a port, if interfaceIp!=0 then ...">openPort</a>(relay-&gt;<a class="code" href="structStunMediaRelay.html#a18c86cb9d0058de5ab6b5adf449a275b">relayPort</a>, info.<a class="code" href="structStunServerInfo.html#a9abf6e6b89123dd6d7a71bba5a0b77d6">myAddr</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, verbose);
    1556. 

  1556. <a name="l01516"></a>01516                   relay-&gt;<a class="code" href="structStunMediaRelay.html#a3adead8f4ff0c1b71bee2aecfa88f641">destination</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = from.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    1557. 

  1557. <a name="l01517"></a>01517                   relay-&gt;<a class="code" href="structStunMediaRelay.html#a3adead8f4ff0c1b71bee2aecfa88f641">destination</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = from.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    1558. 

  1558. <a name="l01518"></a>01518                   relay-&gt;<a class="code" href="structStunMediaRelay.html#a16873193e181c40809e3f3f91bfb78ff">expireTime</a> = time(0) + MEDIA_RELAY_TIMEOUT;
    1559. 

  1559. <a name="l01519"></a>01519                   relayPort = relay-&gt;<a class="code" href="structStunMediaRelay.html#a18c86cb9d0058de5ab6b5adf449a275b">relayPort</a>;
    1560. 

  1560. <a name="l01520"></a>01520                   <span class="keywordflow">break</span>;
    1561. 

  1561. <a name="l01521"></a>01521                }
    1562. 

  1562. <a name="l01522"></a>01522             }
    1563. 

  1563. <a name="l01523"></a>01523          }
    1564. 

  1564. <a name="l01524"></a>01524       }
    1565. 

  1565. <a name="l01525"></a>01525 
    1566. 

  1566. <a name="l01526"></a>01526       <span class="keywordflow">if</span> ( !ok )
    1567. 

  1567. <a name="l01527"></a>01527       {
    1568. 

  1568. <a name="l01528"></a>01528          <span class="keywordflow">if</span> ( verbose ) clog &lt;&lt; <span class="stringliteral">&quot;Get message did not return a valid message&quot;</span> &lt;&lt;endl;
    1569. 

  1569. <a name="l01529"></a>01529          <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1570. 

  1570. <a name="l01530"></a>01530       }
    1571. 

  1571. <a name="l01531"></a>01531 
    1572. 

  1572. <a name="l01532"></a>01532       <span class="keywordflow">if</span> ( verbose ) clog &lt;&lt; <span class="stringliteral">&quot;Got a request (len=&quot;</span> &lt;&lt; msgLen &lt;&lt; <span class="stringliteral">&quot;) from &quot;</span> &lt;&lt; from &lt;&lt; endl;
    1573. 

  1573. <a name="l01533"></a>01533 
    1574. 

  1574. <a name="l01534"></a>01534       <span class="keywordflow">if</span> ( msgLen &lt;= 0 )
    1575. 

  1575. <a name="l01535"></a>01535       {
    1576. 

  1576. <a name="l01536"></a>01536          <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1577. 

  1577. <a name="l01537"></a>01537       }
    1578. 

  1578. <a name="l01538"></a>01538 
    1579. 

  1579. <a name="l01539"></a>01539       <span class="keywordtype">bool</span> changePort = <span class="keyword">false</span>;
    1580. 

  1580. <a name="l01540"></a>01540       <span class="keywordtype">bool</span> changeIp = <span class="keyword">false</span>;
    1581. 

  1581. <a name="l01541"></a>01541 
    1582. 

  1582. <a name="l01542"></a>01542       <a class="code" href="structStunMessage.html">StunMessage</a> resp;
    1583. 

  1583. <a name="l01543"></a>01543       <a class="code" href="structStunAddress4.html">StunAddress4</a> dest;
    1584. 

  1584. <a name="l01544"></a>01544       <a class="code" href="structStunAtrString.html">StunAtrString</a> hmacPassword;
    1585. 

  1585. <a name="l01545"></a>01545       hmacPassword.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = 0;
    1586. 

  1586. <a name="l01546"></a>01546 
    1587. 

  1587. <a name="l01547"></a>01547       <a class="code" href="structStunAddress4.html">StunAddress4</a> secondary;
    1588. 

  1588. <a name="l01548"></a>01548       secondary.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = 0;
    1589. 

  1589. <a name="l01549"></a>01549       secondary.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = 0;
    1590. 

  1590. <a name="l01550"></a>01550 
    1591. 

  1591. <a name="l01551"></a>01551       <span class="keywordflow">if</span> (info.<a class="code" href="structStunServerInfo.html#a5dcc784d754928455caab60d6a34f73e">relay</a> &amp;&amp; relayPort)
    1592. 

  1592. <a name="l01552"></a>01552       {
    1593. 

  1593. <a name="l01553"></a>01553          secondary = from;
    1594. 

  1594. <a name="l01554"></a>01554 
    1595. 

  1595. <a name="l01555"></a>01555          from.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = info.<a class="code" href="structStunServerInfo.html#a9abf6e6b89123dd6d7a71bba5a0b77d6">myAddr</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    1596. 

  1596. <a name="l01556"></a>01556          from.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = relayPort;
    1597. 

  1597. <a name="l01557"></a>01557       }
    1598. 

  1598. <a name="l01558"></a>01558 
    1599. 

  1599. <a name="l01559"></a>01559       ok = <a class="code" href="stun_8cc.html#a811b0bd40524a040d7ec6676e9635c22">stunServerProcessMsg</a>( msg, msgLen, from, secondary,
    1600. 

  1600. <a name="l01560"></a>01560                                  recvAltIp ? info.<a class="code" href="structStunServerInfo.html#ac6295f141e0926994747bbc198a19d55">altAddr</a> : info.<a class="code" href="structStunServerInfo.html#a9abf6e6b89123dd6d7a71bba5a0b77d6">myAddr</a>,
    1601. 

  1601. <a name="l01561"></a>01561                                  recvAltIp ? info.<a class="code" href="structStunServerInfo.html#a9abf6e6b89123dd6d7a71bba5a0b77d6">myAddr</a> : info.<a class="code" href="structStunServerInfo.html#ac6295f141e0926994747bbc198a19d55">altAddr</a>,
    1602. 

  1602. <a name="l01562"></a>01562                                  &amp;resp,
    1603. 

  1603. <a name="l01563"></a>01563                                  &amp;dest,
    1604. 

  1604. <a name="l01564"></a>01564                                  &amp;hmacPassword,
    1605. 

  1605. <a name="l01565"></a>01565                                  &amp;changePort,
    1606. 

  1606. <a name="l01566"></a>01566                                  &amp;changeIp,
    1607. 

  1607. <a name="l01567"></a>01567                                  verbose );
    1608. 

  1608. <a name="l01568"></a>01568 
    1609. 

  1609. <a name="l01569"></a>01569       <span class="keywordflow">if</span> ( !ok )
    1610. 

  1610. <a name="l01570"></a>01570       {
    1611. 

  1611. <a name="l01571"></a>01571          <span class="keywordflow">if</span> ( verbose ) clog &lt;&lt; <span class="stringliteral">&quot;Failed to parse message&quot;</span> &lt;&lt; endl;
    1612. 

  1612. <a name="l01572"></a>01572          <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1613. 

  1613. <a name="l01573"></a>01573       }
    1614. 

  1614. <a name="l01574"></a>01574 
    1615. 

  1615. <a name="l01575"></a>01575       <span class="keywordtype">char</span> buf[STUN_MAX_MESSAGE_SIZE];
    1616. 

  1616. <a name="l01576"></a>01576       <span class="keywordtype">int</span> len = <span class="keyword">sizeof</span>(buf);
    1617. 

  1617. <a name="l01577"></a>01577 
    1618. 

  1618. <a name="l01578"></a>01578       len = <a class="code" href="stun_8cc.html#a4f9e869279d41bbf1785d321b4360f61">stunEncodeMessage</a>( resp, buf, len, hmacPassword,verbose );
    1619. 

  1619. <a name="l01579"></a>01579 
    1620. 

  1620. <a name="l01580"></a>01580       <span class="keywordflow">if</span> ( dest.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> == 0 )  ok=<span class="keyword">false</span>;
    1621. 

  1621. <a name="l01581"></a>01581       <span class="keywordflow">if</span> ( dest.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> == 0 ) ok=<span class="keyword">false</span>;
    1622. 

  1622. <a name="l01582"></a>01582 
    1623. 

  1623. <a name="l01583"></a>01583       <span class="keywordflow">if</span> ( ok )
    1624. 

  1624. <a name="l01584"></a>01584       {
    1625. 

  1625. <a name="l01585"></a>01585          assert( dest.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> != 0 );
    1626. 

  1626. <a name="l01586"></a>01586          assert( dest.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> != 0 );
    1627. 

  1627. <a name="l01587"></a>01587 
    1628. 

  1628. <a name="l01588"></a>01588          <a class="code" href="stun_8h.html#af9381320a2640ea84038579d8f143c01">Socket</a> sendFd;
    1629. 

  1629. <a name="l01589"></a>01589 
    1630. 

  1630. <a name="l01590"></a>01590          <span class="keywordtype">bool</span> sendAltIp   = recvAltIp;   <span class="comment">// send on the received IP address</span>
    1631. 

  1631. <a name="l01591"></a>01591          <span class="keywordtype">bool</span> sendAltPort = recvAltPort; <span class="comment">// send on the received port</span>
    1632. 

  1632. <a name="l01592"></a>01592 
    1633. 

  1633. <a name="l01593"></a>01593          <span class="keywordflow">if</span> ( changeIp )   sendAltIp   = !sendAltIp;   <span class="comment">// if need to change IP, then flip logic</span>
    1634. 

  1634. <a name="l01594"></a>01594          <span class="keywordflow">if</span> ( changePort ) sendAltPort = !sendAltPort; <span class="comment">// if need to change port, then flip logic</span>
    1635. 

  1635. <a name="l01595"></a>01595 
    1636. 

  1636. <a name="l01596"></a>01596          <span class="keywordflow">if</span> ( !sendAltPort )
    1637. 

  1637. <a name="l01597"></a>01597          {
    1638. 

  1638. <a name="l01598"></a>01598             <span class="keywordflow">if</span> ( !sendAltIp )
    1639. 

  1639. <a name="l01599"></a>01599             {
    1640. 

  1640. <a name="l01600"></a>01600                sendFd = info.<a class="code" href="structStunServerInfo.html#afa85d638d48bf0598161a7e9158aba3f">myFd</a>;
    1641. 

  1641. <a name="l01601"></a>01601             }
    1642. 

  1642. <a name="l01602"></a>01602             <span class="keywordflow">else</span>
    1643. 

  1643. <a name="l01603"></a>01603             {
    1644. 

  1644. <a name="l01604"></a>01604                sendFd = info.<a class="code" href="structStunServerInfo.html#ac9e3ea9e1322857b20f4d21211d8ca99">altIpFd</a>;
    1645. 

  1645. <a name="l01605"></a>01605             }
    1646. 

  1646. <a name="l01606"></a>01606          }
    1647. 

  1647. <a name="l01607"></a>01607          <span class="keywordflow">else</span>
    1648. 

  1648. <a name="l01608"></a>01608          {
    1649. 

  1649. <a name="l01609"></a>01609             <span class="keywordflow">if</span> ( !sendAltIp )
    1650. 

  1650. <a name="l01610"></a>01610             {
    1651. 

  1651. <a name="l01611"></a>01611                sendFd = info.<a class="code" href="structStunServerInfo.html#a2da8a94e9a9867e7c5d3b3e3c317120c">altPortFd</a>;
    1652. 

  1652. <a name="l01612"></a>01612             }
    1653. 

  1653. <a name="l01613"></a>01613             <span class="keywordflow">else</span>
    1654. 

  1654. <a name="l01614"></a>01614             {
    1655. 

  1655. <a name="l01615"></a>01615                sendFd = info.<a class="code" href="structStunServerInfo.html#af14364029dec110da68c7ca855d91b2d">altIpPortFd</a>;
    1656. 

  1656. <a name="l01616"></a>01616             }
    1657. 

  1657. <a name="l01617"></a>01617          }
    1658. 

  1658. <a name="l01618"></a>01618 
    1659. 

  1659. <a name="l01619"></a>01619          <span class="keywordflow">if</span> ( sendFd != <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a> )
    1660. 

  1660. <a name="l01620"></a>01620          {
    1661. 

  1661. <a name="l01621"></a>01621             <a class="code" href="stun__udp_8h.html#a784917c5dceb731fee666978078b8bc5" title="send a UDP message">sendMessage</a>( sendFd, buf, len, dest.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, dest.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>, verbose );
    1662. 

  1662. <a name="l01622"></a>01622          }
    1663. 

  1663. <a name="l01623"></a>01623       }
    1664. 

  1664. <a name="l01624"></a>01624    }
    1665. 

  1665. <a name="l01625"></a>01625 
    1666. 

  1666. <a name="l01626"></a>01626    <span class="keywordflow">return</span> <span class="keyword">true</span>;
    1667. 

  1667. <a name="l01627"></a>01627 }
    1668. 

  1668. <a name="l01628"></a>01628 
    1669. 

  1669. <a name="l01629"></a>01629 <span class="keywordtype">int</span>
    1670. 

  1670. <a name="l01630"></a><a class="code" href="stun_8h.html#a3ff67b4ada35e49cece8ffdc87b92300">01630</a> <a class="code" href="stun_8cc.html#a7c8890aa737ed2b41734471121af77a2" title="returns number of address found - take array or addres">stunFindLocalInterfaces</a>(<a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a>* addresses,<span class="keywordtype">int</span> maxRet)
    1671. 

  1671. <a name="l01631"></a>01631 {
    1672. 

  1672. <a name="l01632"></a>01632 <span class="preprocessor">#if defined(WIN32) || defined(__sparc__)</span>
    1673. 

  1673. <a name="l01633"></a>01633 <span class="preprocessor"></span>   <span class="keywordflow">return</span> 0;
    1674. 

  1674. <a name="l01634"></a>01634 <span class="preprocessor">#else</span>
    1675. 

  1675. <a name="l01635"></a>01635 <span class="preprocessor"></span>   <span class="keyword">struct </span>ifconf ifc;
    1676. 

  1676. <a name="l01636"></a>01636 
    1677. 

  1677. <a name="l01637"></a>01637    <span class="keywordtype">int</span> s = socket( AF_INET, SOCK_DGRAM, 0 );
    1678. 

  1678. <a name="l01638"></a>01638    <span class="keywordtype">int</span> len = 100 * <span class="keyword">sizeof</span>(<span class="keyword">struct </span>ifreq);
    1679. 

  1679. <a name="l01639"></a>01639 
    1680. 

  1680. <a name="l01640"></a>01640    <span class="keywordtype">char</span> buf[ len ];
    1681. 

  1681. <a name="l01641"></a>01641 
    1682. 

  1682. <a name="l01642"></a>01642    ifc.ifc_len = len;
    1683. 

  1683. <a name="l01643"></a>01643    ifc.ifc_buf = buf;
    1684. 

  1684. <a name="l01644"></a>01644 
    1685. 

  1685. <a name="l01645"></a>01645    <span class="keywordtype">int</span> e = ioctl(s,SIOCGIFCONF,&amp;ifc);
    1686. 

  1686. <a name="l01646"></a>01646    <span class="keywordtype">char</span> *ptr = buf;
    1687. 

  1687. <a name="l01647"></a>01647    <span class="keywordtype">int</span> tl = ifc.ifc_len;
    1688. 

  1688. <a name="l01648"></a>01648    <span class="keywordtype">int</span> count=0;
    1689. 

  1689. <a name="l01649"></a>01649 
    1690. 

  1690. <a name="l01650"></a>01650    <span class="keywordflow">while</span> ( (tl &gt; 0) &amp;&amp; ( count &lt; maxRet) )
    1691. 

  1691. <a name="l01651"></a>01651    {
    1692. 

  1692. <a name="l01652"></a>01652       <span class="keyword">struct </span>ifreq* ifr = (<span class="keyword">struct </span>ifreq *)ptr;
    1693. 

  1693. <a name="l01653"></a>01653 
    1694. 

  1694. <a name="l01654"></a>01654       <span class="keywordtype">int</span> si = <span class="keyword">sizeof</span>(ifr-&gt;ifr_name) + <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr);
    1695. 

  1695. <a name="l01655"></a>01655       tl -= si;
    1696. 

  1696. <a name="l01656"></a>01656       ptr += si;
    1697. 

  1697. <a name="l01657"></a>01657       <span class="comment">//char* name = ifr-&gt;ifr_ifrn.ifrn_name;</span>
    1698. 

  1698. <a name="l01658"></a>01658       <span class="comment">//cerr &lt;&lt; &quot;name = &quot; &lt;&lt; name &lt;&lt; endl;</span>
    1699. 

  1699. <a name="l01659"></a>01659 
    1700. 

  1700. <a name="l01660"></a>01660       <span class="keyword">struct </span>ifreq ifr2;
    1701. 

  1701. <a name="l01661"></a>01661       ifr2 = *ifr;
    1702. 

  1702. <a name="l01662"></a>01662 
    1703. 

  1703. <a name="l01663"></a>01663       e = ioctl(s,SIOCGIFADDR,&amp;ifr2);
    1704. 

  1704. <a name="l01664"></a>01664       <span class="keywordflow">if</span> ( e == -1 )
    1705. 

  1705. <a name="l01665"></a>01665       {
    1706. 

  1706. <a name="l01666"></a>01666          <span class="keywordflow">break</span>;
    1707. 

  1707. <a name="l01667"></a>01667       }
    1708. 

  1708. <a name="l01668"></a>01668 
    1709. 

  1709. <a name="l01669"></a>01669       <span class="comment">//cerr &lt;&lt; &quot;ioctl addr e = &quot; &lt;&lt; e &lt;&lt; endl;</span>
    1710. 

  1710. <a name="l01670"></a>01670 
    1711. 

  1711. <a name="l01671"></a>01671       <span class="keyword">struct </span>sockaddr a = ifr2.ifr_addr;
    1712. 

  1712. <a name="l01672"></a>01672       <span class="keyword">struct </span>sockaddr_in* addr = (<span class="keyword">struct </span>sockaddr_in*) &amp;a;
    1713. 

  1713. <a name="l01673"></a>01673 
    1714. 

  1714. <a name="l01674"></a>01674       <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a> ai = ntohl( addr-&gt;sin_addr.s_addr );
    1715. 

  1715. <a name="l01675"></a>01675       <span class="keywordflow">if</span> (<span class="keywordtype">int</span>((ai&gt;&gt;24)&amp;0xFF) != 127)
    1716. 

  1716. <a name="l01676"></a>01676       {
    1717. 

  1717. <a name="l01677"></a>01677          addresses[count++] = ai;
    1718. 

  1718. <a name="l01678"></a>01678       }
    1719. 

  1719. <a name="l01679"></a>01679 
    1720. 

  1720. <a name="l01680"></a>01680 <span class="preprocessor">#if 0</span>
    1721. 

  1721. <a name="l01681"></a>01681 <span class="preprocessor"></span>      cerr &lt;&lt; <span class="stringliteral">&quot;Detected interface &quot;</span>
    1722. 

  1722. <a name="l01682"></a>01682            &lt;&lt; int((ai&gt;&gt;24)&amp;0xFF) &lt;&lt; <span class="stringliteral">&quot;.&quot;</span>
    1723. 

  1723. <a name="l01683"></a>01683            &lt;&lt; int((ai&gt;&gt;16)&amp;0xFF) &lt;&lt; <span class="stringliteral">&quot;.&quot;</span>
    1724. 

  1724. <a name="l01684"></a>01684            &lt;&lt; int((ai&gt;&gt; 8)&amp;0xFF) &lt;&lt; <span class="stringliteral">&quot;.&quot;</span>
    1725. 

  1725. <a name="l01685"></a>01685            &lt;&lt; int((ai    )&amp;0xFF) &lt;&lt; endl;
    1726. 

  1726. <a name="l01686"></a>01686 <span class="preprocessor">#endif</span>
    1727. 

  1727. <a name="l01687"></a>01687 <span class="preprocessor"></span>   }
    1728. 

  1728. <a name="l01688"></a>01688 
    1729. 

  1729. <a name="l01689"></a>01689    <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>(s);
    1730. 

  1730. <a name="l01690"></a>01690 
    1731. 

  1731. <a name="l01691"></a>01691    <span class="keywordflow">return</span> count;
    1732. 

  1732. <a name="l01692"></a>01692 <span class="preprocessor">#endif</span>
    1733. 

  1733. <a name="l01693"></a>01693 <span class="preprocessor"></span>}
    1734. 

  1734. <a name="l01694"></a>01694 
    1735. 

  1735. <a name="l01695"></a>01695 
    1736. 

  1736. <a name="l01696"></a>01696 <span class="keywordtype">void</span>
    1737. 

  1737. <a name="l01697"></a><a class="code" href="stun_8h.html#a663e56a2d581f365fb4918a0f9a88a2d">01697</a> <a class="code" href="stun_8cc.html#a07bb6d28e9a67cc882184b04c227e82b">stunBuildReqSimple</a>( <a class="code" href="structStunMessage.html">StunMessage</a>* msg,
    1738. 

  1738. <a name="l01698"></a>01698                     <span class="keyword">const</span> <a class="code" href="structStunAtrString.html">StunAtrString</a>&amp; username,
    1739. 

  1739. <a name="l01699"></a>01699                     <span class="keywordtype">bool</span> changePort, <span class="keywordtype">bool</span> changeIp, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span> )
    1740. 

  1740. <a name="l01700"></a>01700 {
    1741. 

  1741. <a name="l01701"></a>01701    assert( msg );
    1742. 

  1742. <a name="l01702"></a>01702    memset( msg , 0 , <span class="keyword">sizeof</span>(*msg) );
    1743. 

  1743. <a name="l01703"></a>01703 
    1744. 

  1744. <a name="l01704"></a>01704    msg-&gt;<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a7cc96e6cbb87582e56f298eb891c43e2">msgType</a> = <a class="code" href="stun_8h.html#a4dfa49ebae731be7b582f0fc7b57d429">BindRequestMsg</a>;
    1745. 

  1745. <a name="l01705"></a>01705 
    1746. 

  1746. <a name="l01706"></a>01706    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0; i&lt;16; i=i+4 )
    1747. 

  1747. <a name="l01707"></a>01707    {
    1748. 

  1748. <a name="l01708"></a>01708       assert(i+3&lt;16);
    1749. 

  1749. <a name="l01709"></a>01709       <span class="keywordtype">int</span> r = <a class="code" href="stun_8cc.html#a67e399c9420f09178de194bee0bde87a">stunRand</a>();
    1750. 

  1750. <a name="l01710"></a>01710       msg-&gt;<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[i+0]= r&gt;&gt;0;
    1751. 

  1751. <a name="l01711"></a>01711       msg-&gt;<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[i+1]= r&gt;&gt;8;
    1752. 

  1752. <a name="l01712"></a>01712       msg-&gt;<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[i+2]= r&gt;&gt;16;
    1753. 

  1753. <a name="l01713"></a>01713       msg-&gt;<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[i+3]= r&gt;&gt;24;
    1754. 

  1754. <a name="l01714"></a>01714    }
    1755. 

  1755. <a name="l01715"></a>01715 
    1756. 

  1756. <a name="l01716"></a>01716    <span class="keywordflow">if</span> ( <span class="keywordtype">id</span> != 0 )
    1757. 

  1757. <a name="l01717"></a>01717    {
    1758. 

  1758. <a name="l01718"></a>01718       msg-&gt;<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[0] = id;
    1759. 

  1759. <a name="l01719"></a>01719    }
    1760. 

  1760. <a name="l01720"></a>01720 
    1761. 

  1761. <a name="l01721"></a>01721    msg-&gt;<a class="code" href="structStunMessage.html#a0fe2488f060fe65507c9a58bbb66899f">hasChangeRequest</a> = <span class="keyword">true</span>;
    1762. 

  1762. <a name="l01722"></a>01722    msg-&gt;<a class="code" href="structStunMessage.html#a65e5de40376764ea12d96f5b5ebe2c29">changeRequest</a>.<a class="code" href="structStunAtrChangeRequest.html#adbb006a8e7cc0637d01959c8ba985c0c">value</a> =(changeIp?<a class="code" href="stun_8h.html#ad0235d173b2af6e92be9843aaa585eef">ChangeIpFlag</a>:0) |
    1763. 

  1763. <a name="l01723"></a>01723       (changePort?<a class="code" href="stun_8h.html#a2f247c137dd06ef8971319b9a6078ef4">ChangePortFlag</a>:0);
    1764. 

  1764. <a name="l01724"></a>01724 
    1765. 

  1765. <a name="l01725"></a>01725    <span class="keywordflow">if</span> ( username.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> &gt; 0 )
    1766. 

  1766. <a name="l01726"></a>01726    {
    1767. 

  1767. <a name="l01727"></a>01727       msg-&gt;<a class="code" href="structStunMessage.html#a2a22a4f1560b25fcf5247647885bab3c">hasUsername</a> = <span class="keyword">true</span>;
    1768. 

  1768. <a name="l01728"></a>01728       msg-&gt;<a class="code" href="structStunMessage.html#ab5c364c8f9339a6d4f314ce3819ed1fd">username</a> = username;
    1769. 

  1769. <a name="l01729"></a>01729    }
    1770. 

  1770. <a name="l01730"></a>01730 }
    1771. 

  1771. <a name="l01731"></a>01731 
    1772. 

  1772. <a name="l01732"></a>01732 
    1773. 

  1773. <a name="l01733"></a>01733 <span class="keyword">static</span> <span class="keywordtype">void</span>
    1774. 

  1774. <a name="l01734"></a><a class="code" href="stun_8cc.html#ab17bbe96f9bef6d767fbee081ca123d7">01734</a> <a class="code" href="stun_8cc.html#ab17bbe96f9bef6d767fbee081ca123d7">stunSendTest</a>( <a class="code" href="stun_8h.html#af9381320a2640ea84038579d8f143c01">Socket</a> myFd, <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; dest,
    1775. 

  1775. <a name="l01735"></a>01735               <span class="keyword">const</span> <a class="code" href="structStunAtrString.html">StunAtrString</a>&amp; username, <span class="keyword">const</span> <a class="code" href="structStunAtrString.html">StunAtrString</a>&amp; password,
    1776. 

  1776. <a name="l01736"></a>01736               <span class="keywordtype">int</span> testNum, <span class="keywordtype">bool</span> verbose )
    1777. 

  1777. <a name="l01737"></a>01737 {
    1778. 

  1778. <a name="l01738"></a>01738    assert( dest.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> != 0 );
    1779. 

  1779. <a name="l01739"></a>01739    assert( dest.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> != 0 );
    1780. 

  1780. <a name="l01740"></a>01740 
    1781. 

  1781. <a name="l01741"></a>01741    <span class="keywordtype">bool</span> changePort=<span class="keyword">false</span>;
    1782. 

  1782. <a name="l01742"></a>01742    <span class="keywordtype">bool</span> changeIP=<span class="keyword">false</span>;
    1783. 

  1783. <a name="l01743"></a>01743    <span class="keywordtype">bool</span> discard=<span class="keyword">false</span>;
    1784. 

  1784. <a name="l01744"></a>01744 
    1785. 

  1785. <a name="l01745"></a>01745    <span class="keywordflow">switch</span> (testNum)
    1786. 

  1786. <a name="l01746"></a>01746    {
    1787. 

  1787. <a name="l01747"></a>01747       <span class="keywordflow">case</span> 1:
    1788. 

  1788. <a name="l01748"></a>01748       <span class="keywordflow">case</span> 10:
    1789. 

  1789. <a name="l01749"></a>01749       <span class="keywordflow">case</span> 11:
    1790. 

  1790. <a name="l01750"></a>01750          <span class="keywordflow">break</span>;
    1791. 

  1791. <a name="l01751"></a>01751       <span class="keywordflow">case</span> 2:
    1792. 

  1792. <a name="l01752"></a>01752          <span class="comment">//changePort=true;</span>
    1793. 

  1793. <a name="l01753"></a>01753          changeIP=<span class="keyword">true</span>;
    1794. 

  1794. <a name="l01754"></a>01754          <span class="keywordflow">break</span>;
    1795. 

  1795. <a name="l01755"></a>01755       <span class="keywordflow">case</span> 3:
    1796. 

  1796. <a name="l01756"></a>01756          changePort=<span class="keyword">true</span>;
    1797. 

  1797. <a name="l01757"></a>01757          <span class="keywordflow">break</span>;
    1798. 

  1798. <a name="l01758"></a>01758       <span class="keywordflow">case</span> 4:
    1799. 

  1799. <a name="l01759"></a>01759          changeIP=<span class="keyword">true</span>;
    1800. 

  1800. <a name="l01760"></a>01760          <span class="keywordflow">break</span>;
    1801. 

  1801. <a name="l01761"></a>01761       <span class="keywordflow">case</span> 5:
    1802. 

  1802. <a name="l01762"></a>01762          discard=<span class="keyword">true</span>;
    1803. 

  1803. <a name="l01763"></a>01763          <span class="keywordflow">break</span>;
    1804. 

  1804. <a name="l01764"></a>01764       <span class="keywordflow">default</span>:
    1805. 

  1805. <a name="l01765"></a>01765          cerr &lt;&lt; <span class="stringliteral">&quot;Test &quot;</span> &lt;&lt; testNum &lt;&lt;<span class="stringliteral">&quot; is unkown\n&quot;</span>;
    1806. 

  1806. <a name="l01766"></a>01766          assert(0);
    1807. 

  1807. <a name="l01767"></a>01767    }
    1808. 

  1808. <a name="l01768"></a>01768 
    1809. 

  1809. <a name="l01769"></a>01769    <a class="code" href="structStunMessage.html">StunMessage</a> req;
    1810. 

  1810. <a name="l01770"></a>01770    memset(&amp;req, 0, <span class="keyword">sizeof</span>(<a class="code" href="structStunMessage.html">StunMessage</a>));
    1811. 

  1811. <a name="l01771"></a>01771 
    1812. 

  1812. <a name="l01772"></a>01772    <a class="code" href="stun_8cc.html#a07bb6d28e9a67cc882184b04c227e82b">stunBuildReqSimple</a>( &amp;req, username,
    1813. 

  1813. <a name="l01773"></a>01773                        changePort , changeIP ,
    1814. 

  1814. <a name="l01774"></a>01774                        testNum );
    1815. 

  1815. <a name="l01775"></a>01775 
    1816. 

  1816. <a name="l01776"></a>01776    <span class="keywordtype">char</span> buf[STUN_MAX_MESSAGE_SIZE];
    1817. 

  1817. <a name="l01777"></a>01777    <span class="keywordtype">int</span> len = STUN_MAX_MESSAGE_SIZE;
    1818. 

  1818. <a name="l01778"></a>01778 
    1819. 

  1819. <a name="l01779"></a>01779    len = <a class="code" href="stun_8cc.html#a4f9e869279d41bbf1785d321b4360f61">stunEncodeMessage</a>( req, buf, len, password,verbose );
    1820. 

  1820. <a name="l01780"></a>01780 
    1821. 

  1821. <a name="l01781"></a>01781    <span class="keywordflow">if</span> ( verbose )
    1822. 

  1822. <a name="l01782"></a>01782    {
    1823. 

  1823. <a name="l01783"></a>01783       clog &lt;&lt; <span class="stringliteral">&quot;About to send msg of len &quot;</span> &lt;&lt; len &lt;&lt; <span class="stringliteral">&quot; to &quot;</span> &lt;&lt; dest &lt;&lt; endl;
    1824. 

  1824. <a name="l01784"></a>01784    }
    1825. 

  1825. <a name="l01785"></a>01785 
    1826. 

  1826. <a name="l01786"></a>01786    <a class="code" href="stun__udp_8h.html#a784917c5dceb731fee666978078b8bc5" title="send a UDP message">sendMessage</a>( myFd, buf, len, dest.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, dest.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>, verbose );
    1827. 

  1827. <a name="l01787"></a>01787 
    1828. 

  1828. <a name="l01788"></a>01788    <span class="comment">// add some delay so the packets don&#39;t get sent too quickly</span>
    1829. 

  1829. <a name="l01789"></a>01789 <span class="preprocessor">#ifdef WIN32 // !cj! TODO - should fix this up in windows</span>
    1830. 

  1830. <a name="l01790"></a>01790 <span class="preprocessor"></span>                 clock_t now = clock();
    1831. 

  1831. <a name="l01791"></a>01791                  assert( CLOCKS_PER_SEC == 1000 );
    1832. 

  1832. <a name="l01792"></a>01792                  <span class="keywordflow">while</span> ( clock() &lt;= now+10 ) { };
    1833. 

  1833. <a name="l01793"></a>01793 <span class="preprocessor">#else</span>
    1834. 

  1834. <a name="l01794"></a>01794 <span class="preprocessor"></span>                 usleep(10*1000);
    1835. 

  1835. <a name="l01795"></a>01795 <span class="preprocessor">#endif</span>
    1836. 

  1836. <a name="l01796"></a>01796 <span class="preprocessor"></span>
    1837. 

  1837. <a name="l01797"></a>01797 }
    1838. 

  1838. <a name="l01798"></a>01798 
    1839. 

  1839. <a name="l01799"></a>01799 
    1840. 

  1840. <a name="l01800"></a>01800 <span class="keywordtype">void</span>
    1841. 

  1841. <a name="l01801"></a><a class="code" href="stun_8h.html#ae9317a5a127d1281953d961bcfbd2496">01801</a> <a class="code" href="stun_8cc.html#ae9317a5a127d1281953d961bcfbd2496">stunGetUserNameAndPassword</a>(  <span class="keyword">const</span> <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; dest,
    1842. 

  1842. <a name="l01802"></a>01802                              <a class="code" href="structStunAtrString.html">StunAtrString</a>* username,
    1843. 

  1843. <a name="l01803"></a>01803                              <a class="code" href="structStunAtrString.html">StunAtrString</a>* password)
    1844. 

  1844. <a name="l01804"></a>01804 {
    1845. 

  1845. <a name="l01805"></a>01805    <span class="comment">// !cj! This is totally bogus - need to make TLS connection to dest and get a</span>
    1846. 

  1846. <a name="l01806"></a>01806    <span class="comment">// username and password to use</span>
    1847. 

  1847. <a name="l01807"></a>01807    <a class="code" href="stun_8cc.html#a5f442520a968eaa3f90caa8dcd40bd33">stunCreateUserName</a>(dest, username);
    1848. 

  1848. <a name="l01808"></a>01808    <a class="code" href="stun_8cc.html#aa8926aedab40d08f5cff31d759415962">stunCreatePassword</a>(*username, password);
    1849. 

  1849. <a name="l01809"></a>01809 }
    1850. 

  1850. <a name="l01810"></a>01810 
    1851. 

  1851. <a name="l01811"></a>01811 
    1852. 

  1852. <a name="l01812"></a>01812 <span class="keywordtype">void</span>
    1853. 

  1853. <a name="l01813"></a><a class="code" href="stun_8h.html#adb5b16792462be8778618f42d2a0d1b0">01813</a> <a class="code" href="stun_8cc.html#a3e28deadbde134f7d00a0f35e70267c6">stunTest</a>( <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; dest, <span class="keywordtype">int</span> testNum, <span class="keywordtype">bool</span> verbose, <a class="code" href="structStunAddress4.html">StunAddress4</a>* sAddr )
    1854. 

  1854. <a name="l01814"></a>01814 {
    1855. 

  1855. <a name="l01815"></a>01815    assert( dest.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> != 0 );
    1856. 

  1856. <a name="l01816"></a>01816    assert( dest.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> != 0 );
    1857. 

  1857. <a name="l01817"></a>01817 
    1858. 

  1858. <a name="l01818"></a>01818    <span class="keywordtype">int</span> port = <a class="code" href="stun_8cc.html#ad4a19c401bea76c471959a32a19b777e" title="return a random number to use as a port">stunRandomPort</a>();
    1859. 

  1859. <a name="l01819"></a>01819    <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a> interfaceIp=0;
    1860. 

  1860. <a name="l01820"></a>01820    <span class="keywordflow">if</span> (sAddr)
    1861. 

  1861. <a name="l01821"></a>01821    {
    1862. 

  1862. <a name="l01822"></a>01822       interfaceIp = sAddr-&gt;<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    1863. 

  1863. <a name="l01823"></a>01823       <span class="keywordflow">if</span> ( sAddr-&gt;<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> != 0 )
    1864. 

  1864. <a name="l01824"></a>01824       {
    1865. 

  1865. <a name="l01825"></a>01825         port = sAddr-&gt;<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    1866. 

  1866. <a name="l01826"></a>01826       }
    1867. 

  1867. <a name="l01827"></a>01827    }
    1868. 

  1868. <a name="l01828"></a>01828    <a class="code" href="stun_8h.html#af9381320a2640ea84038579d8f143c01">Socket</a> myFd = <a class="code" href="stun__udp_8h.html#a44f511e14438aa519a0f367a84de4000" title="Open a UDP socket to receive on the given port - if port is 0, pick a a port, if interfaceIp!=0 then ...">openPort</a>(port,interfaceIp,verbose);
    1869. 

  1869. <a name="l01829"></a>01829 
    1870. 

  1870. <a name="l01830"></a>01830    <a class="code" href="structStunAtrString.html">StunAtrString</a> username;
    1871. 

  1871. <a name="l01831"></a>01831    <a class="code" href="structStunAtrString.html">StunAtrString</a> password;
    1872. 

  1872. <a name="l01832"></a>01832 
    1873. 

  1873. <a name="l01833"></a>01833    username.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = 0;
    1874. 

  1874. <a name="l01834"></a>01834    password.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = 0;
    1875. 

  1875. <a name="l01835"></a>01835 
    1876. 

  1876. <a name="l01836"></a>01836 <span class="preprocessor">#ifdef USE_TLS</span>
    1877. 

  1877. <a name="l01837"></a>01837 <span class="preprocessor"></span>   <a class="code" href="stun_8cc.html#ae9317a5a127d1281953d961bcfbd2496">stunGetUserNameAndPassword</a>( dest, username, password );
    1878. 

  1878. <a name="l01838"></a>01838 <span class="preprocessor">#endif</span>
    1879. 

  1879. <a name="l01839"></a>01839 <span class="preprocessor"></span>
    1880. 

  1880. <a name="l01840"></a>01840    <a class="code" href="stun_8cc.html#ab17bbe96f9bef6d767fbee081ca123d7">stunSendTest</a>( myFd, dest, username, password, testNum, verbose );
    1881. 

  1881. <a name="l01841"></a>01841 
    1882. 

  1882. <a name="l01842"></a>01842    <span class="keywordtype">char</span> msg[STUN_MAX_MESSAGE_SIZE];
    1883. 

  1883. <a name="l01843"></a>01843    <span class="keywordtype">int</span> msgLen = STUN_MAX_MESSAGE_SIZE;
    1884. 

  1884. <a name="l01844"></a>01844 
    1885. 

  1885. <a name="l01845"></a>01845    <a class="code" href="structStunAddress4.html">StunAddress4</a> from;
    1886. 

  1886. <a name="l01846"></a>01846    <a class="code" href="stun__udp_8h.html#a6eef3fdbadd5e5a9de73b7be46ce5aa2" title="recive a UDP message">getMessage</a>( myFd,
    1887. 

  1887. <a name="l01847"></a>01847                msg,
    1888. 

  1888. <a name="l01848"></a>01848                &amp;msgLen,
    1889. 

  1889. <a name="l01849"></a>01849                &amp;from.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>,
    1890. 

  1890. <a name="l01850"></a>01850                &amp;from.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>,verbose );
    1891. 

  1891. <a name="l01851"></a>01851 
    1892. 

  1892. <a name="l01852"></a>01852    <a class="code" href="structStunMessage.html">StunMessage</a> resp;
    1893. 

  1893. <a name="l01853"></a>01853    memset(&amp;resp, 0, <span class="keyword">sizeof</span>(<a class="code" href="structStunMessage.html">StunMessage</a>));
    1894. 

  1894. <a name="l01854"></a>01854 
    1895. 

  1895. <a name="l01855"></a>01855    <span class="keywordflow">if</span> ( verbose ) clog &lt;&lt; <span class="stringliteral">&quot;Got a response&quot;</span> &lt;&lt; endl;
    1896. 

  1896. <a name="l01856"></a>01856    <span class="keywordtype">bool</span> ok = <a class="code" href="stun_8cc.html#af81c30137f26a4cb158b48aa21f4f681">stunParseMessage</a>( msg,msgLen, resp,verbose );
    1897. 

  1897. <a name="l01857"></a>01857 
    1898. 

  1898. <a name="l01858"></a>01858    <span class="keywordflow">if</span> ( verbose )
    1899. 

  1899. <a name="l01859"></a>01859    {
    1900. 

  1900. <a name="l01860"></a>01860       clog &lt;&lt; <span class="stringliteral">&quot;\t ok=&quot;</span> &lt;&lt; ok &lt;&lt; endl;
    1901. 

  1901. <a name="l01861"></a>01861       clog &lt;&lt; <span class="stringliteral">&quot;\t id=&quot;</span> &lt;&lt; resp.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a> &lt;&lt; endl;
    1902. 

  1902. <a name="l01862"></a>01862       clog &lt;&lt; <span class="stringliteral">&quot;\t mappedAddr=&quot;</span> &lt;&lt; resp.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    1903. 

  1903. <a name="l01863"></a>01863       clog &lt;&lt; <span class="stringliteral">&quot;\t changedAddr=&quot;</span> &lt;&lt; resp.<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a> &lt;&lt; endl;
    1904. 

  1904. <a name="l01864"></a>01864       clog &lt;&lt; endl;
    1905. 

  1905. <a name="l01865"></a>01865    }
    1906. 

  1906. <a name="l01866"></a>01866 
    1907. 

  1907. <a name="l01867"></a>01867    <span class="keywordflow">if</span> (sAddr)
    1908. 

  1908. <a name="l01868"></a>01868    {
    1909. 

  1909. <a name="l01869"></a>01869       sAddr-&gt;<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = resp.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    1910. 

  1910. <a name="l01870"></a>01870       sAddr-&gt;<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = resp.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    1911. 

  1911. <a name="l01871"></a>01871    }
    1912. 

  1912. <a name="l01872"></a>01872 }
    1913. 

  1913. <a name="l01873"></a>01873 
    1914. 

  1914. <a name="l01874"></a>01874 
    1915. 

  1915. <a name="l01875"></a>01875 <a class="code" href="stun_8h.html#a73736c0f7526e31ef6a35dcc0ebd34ce">NatType</a>
    1916. 

  1916. <a name="l01876"></a><a class="code" href="stun_8h.html#a69e8446b6e540c25e14538b1760d3e84">01876</a> <a class="code" href="stun_8cc.html#a1bcb91a498bf5e73ba5b150c5a698c7d">stunNatType</a>( <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; dest,
    1917. 

  1917. <a name="l01877"></a>01877              <span class="keywordtype">bool</span> verbose,
    1918. 

  1918. <a name="l01878"></a>01878              <span class="keywordtype">bool</span>* preservePort, <span class="comment">// if set, is return for if NAT preservers ports or not</span>
    1919. 

  1919. <a name="l01879"></a>01879              <span class="keywordtype">bool</span>* hairpin,  <span class="comment">// if set, is the return for if NAT will hairpin packets</span>
    1920. 

  1920. <a name="l01880"></a>01880              <span class="keywordtype">int</span> port, <span class="comment">// port to use for the test, 0 to choose random port</span>
    1921. 

  1921. <a name="l01881"></a>01881              <a class="code" href="structStunAddress4.html">StunAddress4</a>* sAddr <span class="comment">// NIC to use</span>
    1922. 

  1922. <a name="l01882"></a>01882    )
    1923. 

  1923. <a name="l01883"></a>01883 {
    1924. 

  1924. <a name="l01884"></a>01884    assert( dest.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> != 0 );
    1925. 

  1925. <a name="l01885"></a>01885    assert( dest.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> != 0 );
    1926. 

  1926. <a name="l01886"></a>01886 
    1927. 

  1927. <a name="l01887"></a>01887    <span class="keywordflow">if</span> ( hairpin )
    1928. 

  1928. <a name="l01888"></a>01888    {
    1929. 

  1929. <a name="l01889"></a>01889       *hairpin = <span class="keyword">false</span>;
    1930. 

  1930. <a name="l01890"></a>01890    }
    1931. 

  1931. <a name="l01891"></a>01891 
    1932. 

  1932. <a name="l01892"></a>01892    <span class="keywordflow">if</span> ( port == 0 )
    1933. 

  1933. <a name="l01893"></a>01893    {
    1934. 

  1934. <a name="l01894"></a>01894       port = <a class="code" href="stun_8cc.html#ad4a19c401bea76c471959a32a19b777e" title="return a random number to use as a port">stunRandomPort</a>();
    1935. 

  1935. <a name="l01895"></a>01895    }
    1936. 

  1936. <a name="l01896"></a>01896    <a class="code" href="stun_8h.html#a4cd0dc7d33ac7a69204e8429ecea0f86">UInt32</a> interfaceIp=0;
    1937. 

  1937. <a name="l01897"></a>01897    <span class="keywordflow">if</span> (sAddr)
    1938. 

  1938. <a name="l01898"></a>01898    {
    1939. 

  1939. <a name="l01899"></a>01899       interfaceIp = sAddr-&gt;<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    1940. 

  1940. <a name="l01900"></a>01900    }
    1941. 

  1941. <a name="l01901"></a>01901    <a class="code" href="stun_8h.html#af9381320a2640ea84038579d8f143c01">Socket</a> myFd1 = <a class="code" href="stun__udp_8h.html#a44f511e14438aa519a0f367a84de4000" title="Open a UDP socket to receive on the given port - if port is 0, pick a a port, if interfaceIp!=0 then ...">openPort</a>(port,interfaceIp,verbose);
    1942. 

  1942. <a name="l01902"></a>01902    <a class="code" href="stun_8h.html#af9381320a2640ea84038579d8f143c01">Socket</a> myFd2 = <a class="code" href="stun__udp_8h.html#a44f511e14438aa519a0f367a84de4000" title="Open a UDP socket to receive on the given port - if port is 0, pick a a port, if interfaceIp!=0 then ...">openPort</a>(port+1,interfaceIp,verbose);
    1943. 

  1943. <a name="l01903"></a>01903 
    1944. 

  1944. <a name="l01904"></a>01904    <span class="keywordflow">if</span> ( ( myFd1 == <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>) || ( myFd2 == <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>) )
    1945. 

  1945. <a name="l01905"></a>01905    {
    1946. 

  1946. <a name="l01906"></a>01906         cerr &lt;&lt; <span class="stringliteral">&quot;Some problem opening port/interface to send on&quot;</span> &lt;&lt; endl;
    1947. 

  1947. <a name="l01907"></a>01907        <span class="keywordflow">return</span> StunTypeFailure;
    1948. 

  1948. <a name="l01908"></a>01908    }
    1949. 

  1949. <a name="l01909"></a>01909 
    1950. 

  1950. <a name="l01910"></a>01910    assert( myFd1 != <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a> );
    1951. 

  1951. <a name="l01911"></a>01911    assert( myFd2 != <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a> );
    1952. 

  1952. <a name="l01912"></a>01912 
    1953. 

  1953. <a name="l01913"></a>01913    <span class="keywordtype">bool</span> respTestI=<span class="keyword">false</span>;
    1954. 

  1954. <a name="l01914"></a>01914    <span class="keywordtype">bool</span> isNat=<span class="keyword">true</span>;
    1955. 

  1955. <a name="l01915"></a>01915    <a class="code" href="structStunAddress4.html">StunAddress4</a> testIchangedAddr;
    1956. 

  1956. <a name="l01916"></a>01916    <a class="code" href="structStunAddress4.html">StunAddress4</a> testImappedAddr;
    1957. 

  1957. <a name="l01917"></a>01917    <span class="keywordtype">bool</span> respTestI2=<span class="keyword">false</span>;
    1958. 

  1958. <a name="l01918"></a>01918    <span class="keywordtype">bool</span> mappedIpSame = <span class="keyword">true</span>;
    1959. 

  1959. <a name="l01919"></a>01919    <a class="code" href="structStunAddress4.html">StunAddress4</a> testI2mappedAddr;
    1960. 

  1960. <a name="l01920"></a>01920    <a class="code" href="structStunAddress4.html">StunAddress4</a> testI2dest=dest;
    1961. 

  1961. <a name="l01921"></a>01921    <span class="keywordtype">bool</span> respTestII=<span class="keyword">false</span>;
    1962. 

  1962. <a name="l01922"></a>01922    <span class="keywordtype">bool</span> respTestIII=<span class="keyword">false</span>;
    1963. 

  1963. <a name="l01923"></a>01923 
    1964. 

  1964. <a name="l01924"></a>01924    <span class="keywordtype">bool</span> respTestHairpin=<span class="keyword">false</span>;
    1965. 

  1965. <a name="l01925"></a>01925    <span class="keywordtype">bool</span> respTestPreservePort=<span class="keyword">false</span>;
    1966. 

  1966. <a name="l01926"></a>01926 
    1967. 

  1967. <a name="l01927"></a>01927    memset(&amp;testImappedAddr,0,<span class="keyword">sizeof</span>(testImappedAddr));
    1968. 

  1968. <a name="l01928"></a>01928 
    1969. 

  1969. <a name="l01929"></a>01929    <a class="code" href="structStunAtrString.html">StunAtrString</a> username;
    1970. 

  1970. <a name="l01930"></a>01930    <a class="code" href="structStunAtrString.html">StunAtrString</a> password;
    1971. 

  1971. <a name="l01931"></a>01931 
    1972. 

  1972. <a name="l01932"></a>01932    username.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = 0;
    1973. 

  1973. <a name="l01933"></a>01933    password.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = 0;
    1974. 

  1974. <a name="l01934"></a>01934 
    1975. 

  1975. <a name="l01935"></a>01935 <span class="preprocessor">#ifdef USE_TLS</span>
    1976. 

  1976. <a name="l01936"></a>01936 <span class="preprocessor"></span>   <a class="code" href="stun_8cc.html#ae9317a5a127d1281953d961bcfbd2496">stunGetUserNameAndPassword</a>( dest, username, password );
    1977. 

  1977. <a name="l01937"></a>01937 <span class="preprocessor">#endif</span>
    1978. 

  1978. <a name="l01938"></a>01938 <span class="preprocessor"></span>
    1979. 

  1979. <a name="l01939"></a>01939    <span class="keywordtype">int</span> count=0;
    1980. 

  1980. <a name="l01940"></a>01940    <span class="keywordflow">while</span> ( count &lt; 7 )
    1981. 

  1981. <a name="l01941"></a>01941    {
    1982. 

  1982. <a name="l01942"></a>01942       <span class="keyword">struct </span>timeval tv;
    1983. 

  1983. <a name="l01943"></a>01943       fd_set fdSet;
    1984. 

  1984. <a name="l01944"></a>01944 <span class="preprocessor">#ifdef WIN32</span>
    1985. 

  1985. <a name="l01945"></a>01945 <span class="preprocessor"></span>      <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fdSetSize;
    1986. 

  1986. <a name="l01946"></a>01946 <span class="preprocessor">#else</span>
    1987. 

  1987. <a name="l01947"></a>01947 <span class="preprocessor"></span>      <span class="keywordtype">int</span> fdSetSize;
    1988. 

  1988. <a name="l01948"></a>01948 <span class="preprocessor">#endif</span>
    1989. 

  1989. <a name="l01949"></a>01949 <span class="preprocessor"></span>      FD_ZERO(&amp;fdSet); fdSetSize=0;
    1990. 

  1990. <a name="l01950"></a>01950       FD_SET(myFd1,&amp;fdSet); fdSetSize = (myFd1+1&gt;fdSetSize) ? myFd1+1 : fdSetSize;
    1991. 

  1991. <a name="l01951"></a>01951       FD_SET(myFd2,&amp;fdSet); fdSetSize = (myFd2+1&gt;fdSetSize) ? myFd2+1 : fdSetSize;
    1992. 

  1992. <a name="l01952"></a>01952       tv.tv_sec=0;
    1993. 

  1993. <a name="l01953"></a>01953       tv.tv_usec=150*1000; <span class="comment">// 150 ms</span>
    1994. 

  1994. <a name="l01954"></a>01954       <span class="keywordflow">if</span> ( count == 0 ) tv.tv_usec=0;
    1995. 

  1995. <a name="l01955"></a>01955 
    1996. 

  1996. <a name="l01956"></a>01956       <span class="keywordtype">int</span>  err = select(fdSetSize, &amp;fdSet, NULL, NULL, &amp;tv);
    1997. 

  1997. <a name="l01957"></a>01957       <span class="keywordtype">int</span> e = <a class="code" href="stun__udp_8h.html#a604d53fe9d66ce3a47ab2354b20f8e62">getErrno</a>();
    1998. 

  1998. <a name="l01958"></a>01958       <span class="keywordflow">if</span> ( err == <a class="code" href="stun__udp_8h.html#a5196d10051a93efa5a7e25054b48c236">STUN_SOCKET_ERROR</a> )
    1999. 

  1999. <a name="l01959"></a>01959       {
    2000. 

  2000. <a name="l01960"></a>01960          <span class="comment">// error occured</span>
    2001. 

  2001. <a name="l01961"></a>01961          cerr &lt;&lt; <span class="stringliteral">&quot;Error &quot;</span> &lt;&lt; e &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; strerror(e) &lt;&lt; <span class="stringliteral">&quot; in select&quot;</span> &lt;&lt; endl;
    2002. 

  2002. <a name="l01962"></a>01962         <span class="keywordflow">return</span> StunTypeFailure;
    2003. 

  2003. <a name="l01963"></a>01963      }
    2004. 

  2004. <a name="l01964"></a>01964       <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( err == 0 )
    2005. 

  2005. <a name="l01965"></a>01965       {
    2006. 

  2006. <a name="l01966"></a>01966          <span class="comment">// timeout occured</span>
    2007. 

  2007. <a name="l01967"></a>01967          count++;
    2008. 

  2008. <a name="l01968"></a>01968 
    2009. 

  2009. <a name="l01969"></a>01969          <span class="keywordflow">if</span> ( !respTestI )
    2010. 

  2010. <a name="l01970"></a>01970          {
    2011. 

  2011. <a name="l01971"></a>01971             <a class="code" href="stun_8cc.html#ab17bbe96f9bef6d767fbee081ca123d7">stunSendTest</a>( myFd1, dest, username, password, 1 ,verbose );
    2012. 

  2012. <a name="l01972"></a>01972          }
    2013. 

  2013. <a name="l01973"></a>01973 
    2014. 

  2014. <a name="l01974"></a>01974          <span class="keywordflow">if</span> ( (!respTestI2) &amp;&amp; respTestI )
    2015. 

  2015. <a name="l01975"></a>01975          {
    2016. 

  2016. <a name="l01976"></a>01976             <span class="comment">// check the address to send to if valid</span>
    2017. 

  2017. <a name="l01977"></a>01977             <span class="keywordflow">if</span> (  ( testI2dest.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> != 0 ) &amp;&amp;
    2018. 

  2018. <a name="l01978"></a>01978                   ( testI2dest.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> != 0 ) )
    2019. 

  2019. <a name="l01979"></a>01979             {
    2020. 

  2020. <a name="l01980"></a>01980                <a class="code" href="stun_8cc.html#ab17bbe96f9bef6d767fbee081ca123d7">stunSendTest</a>( myFd1, testI2dest, username, password, 10  ,verbose);
    2021. 

  2021. <a name="l01981"></a>01981             }
    2022. 

  2022. <a name="l01982"></a>01982          }
    2023. 

  2023. <a name="l01983"></a>01983 
    2024. 

  2024. <a name="l01984"></a>01984          <span class="keywordflow">if</span> ( !respTestII )
    2025. 

  2025. <a name="l01985"></a>01985          {
    2026. 

  2026. <a name="l01986"></a>01986             <a class="code" href="stun_8cc.html#ab17bbe96f9bef6d767fbee081ca123d7">stunSendTest</a>( myFd2, dest, username, password, 2 ,verbose );
    2027. 

  2027. <a name="l01987"></a>01987          }
    2028. 

  2028. <a name="l01988"></a>01988 
    2029. 

  2029. <a name="l01989"></a>01989          <span class="keywordflow">if</span> ( !respTestIII )
    2030. 

  2030. <a name="l01990"></a>01990          {
    2031. 

  2031. <a name="l01991"></a>01991             <a class="code" href="stun_8cc.html#ab17bbe96f9bef6d767fbee081ca123d7">stunSendTest</a>( myFd2, dest, username, password, 3 ,verbose );
    2032. 

  2032. <a name="l01992"></a>01992          }
    2033. 

  2033. <a name="l01993"></a>01993 
    2034. 

  2034. <a name="l01994"></a>01994          <span class="keywordflow">if</span> ( respTestI &amp;&amp; (!respTestHairpin) )
    2035. 

  2035. <a name="l01995"></a>01995          {
    2036. 

  2036. <a name="l01996"></a>01996             <span class="keywordflow">if</span> (  ( testImappedAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> != 0 ) &amp;&amp;
    2037. 

  2037. <a name="l01997"></a>01997                   ( testImappedAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> != 0 ) )
    2038. 

  2038. <a name="l01998"></a>01998             {
    2039. 

  2039. <a name="l01999"></a>01999                <a class="code" href="stun_8cc.html#ab17bbe96f9bef6d767fbee081ca123d7">stunSendTest</a>( myFd1, testImappedAddr, username, password, 11 ,verbose );
    2040. 

  2040. <a name="l02000"></a>02000             }
    2041. 

  2041. <a name="l02001"></a>02001          }
    2042. 

  2042. <a name="l02002"></a>02002       }
    2043. 

  2043. <a name="l02003"></a>02003       <span class="keywordflow">else</span>
    2044. 

  2044. <a name="l02004"></a>02004       {
    2045. 

  2045. <a name="l02005"></a>02005          <span class="comment">//if (verbose) clog &lt;&lt; &quot;-----------------------------------------&quot; &lt;&lt; endl;</span>
    2046. 

  2046. <a name="l02006"></a>02006          assert( err&gt;0 );
    2047. 

  2047. <a name="l02007"></a>02007          <span class="comment">// data is avialbe on some fd</span>
    2048. 

  2048. <a name="l02008"></a>02008 
    2049. 

  2049. <a name="l02009"></a>02009          <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0; i&lt;2; i++)
    2050. 

  2050. <a name="l02010"></a>02010          {
    2051. 

  2051. <a name="l02011"></a>02011             <a class="code" href="stun_8h.html#af9381320a2640ea84038579d8f143c01">Socket</a> myFd;
    2052. 

  2052. <a name="l02012"></a>02012             <span class="keywordflow">if</span> ( i==0 )
    2053. 

  2053. <a name="l02013"></a>02013             {
    2054. 

  2054. <a name="l02014"></a>02014                myFd=myFd1;
    2055. 

  2055. <a name="l02015"></a>02015             }
    2056. 

  2056. <a name="l02016"></a>02016             <span class="keywordflow">else</span>
    2057. 

  2057. <a name="l02017"></a>02017             {
    2058. 

  2058. <a name="l02018"></a>02018                myFd=myFd2;
    2059. 

  2059. <a name="l02019"></a>02019             }
    2060. 

  2060. <a name="l02020"></a>02020 
    2061. 

  2061. <a name="l02021"></a>02021             <span class="keywordflow">if</span> ( myFd!=<a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a> )
    2062. 

  2062. <a name="l02022"></a>02022             {
    2063. 

  2063. <a name="l02023"></a>02023                <span class="keywordflow">if</span> ( FD_ISSET(myFd,&amp;fdSet) )
    2064. 

  2064. <a name="l02024"></a>02024                {
    2065. 

  2065. <a name="l02025"></a>02025                   <span class="keywordtype">char</span> msg[STUN_MAX_MESSAGE_SIZE];
    2066. 

  2066. <a name="l02026"></a>02026                   <span class="keywordtype">int</span> msgLen = <span class="keyword">sizeof</span>(msg);
    2067. 

  2067. <a name="l02027"></a>02027 
    2068. 

  2068. <a name="l02028"></a>02028                   <a class="code" href="structStunAddress4.html">StunAddress4</a> from;
    2069. 

  2069. <a name="l02029"></a>02029 
    2070. 

  2070. <a name="l02030"></a>02030                   <a class="code" href="stun__udp_8h.html#a6eef3fdbadd5e5a9de73b7be46ce5aa2" title="recive a UDP message">getMessage</a>( myFd,
    2071. 

  2071. <a name="l02031"></a>02031                               msg,
    2072. 

  2072. <a name="l02032"></a>02032                               &amp;msgLen,
    2073. 

  2073. <a name="l02033"></a>02033                               &amp;from.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>,
    2074. 

  2074. <a name="l02034"></a>02034                               &amp;from.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>,verbose );
    2075. 

  2075. <a name="l02035"></a>02035 
    2076. 

  2076. <a name="l02036"></a>02036                   <a class="code" href="structStunMessage.html">StunMessage</a> resp;
    2077. 

  2077. <a name="l02037"></a>02037                   memset(&amp;resp, 0, <span class="keyword">sizeof</span>(<a class="code" href="structStunMessage.html">StunMessage</a>));
    2078. 

  2078. <a name="l02038"></a>02038 
    2079. 

  2079. <a name="l02039"></a>02039                   <a class="code" href="stun_8cc.html#af81c30137f26a4cb158b48aa21f4f681">stunParseMessage</a>( msg,msgLen, resp,verbose );
    2080. 

  2080. <a name="l02040"></a>02040 
    2081. 

  2081. <a name="l02041"></a>02041                   <span class="keywordflow">if</span> ( verbose )
    2082. 

  2082. <a name="l02042"></a>02042                   {
    2083. 

  2083. <a name="l02043"></a>02043                      clog &lt;&lt; <span class="stringliteral">&quot;Received message of type &quot;</span> &lt;&lt; resp.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a7cc96e6cbb87582e56f298eb891c43e2">msgType</a>
    2084. 

  2084. <a name="l02044"></a>02044                           &lt;&lt; <span class="stringliteral">&quot;  id=&quot;</span> &lt;&lt; (int)(resp.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[0]) &lt;&lt; endl;
    2085. 

  2085. <a name="l02045"></a>02045                   }
    2086. 

  2086. <a name="l02046"></a>02046 
    2087. 

  2087. <a name="l02047"></a>02047                   <span class="keywordflow">switch</span>( resp.<a class="code" href="structStunMessage.html#a4928bac8dd595927e7ebab4610f316f6">msgHdr</a>.<a class="code" href="structStunMsgHdr.html#a97a1d0da450500ddc5a6fad924e50c87">id</a>.<a class="code" href="structUInt128.html#ad6062a8c4f066ea23ad6f42608eee6ea">octet</a>[0] )
    2088. 

  2088. <a name="l02048"></a>02048                   {
    2089. 

  2089. <a name="l02049"></a>02049                      <span class="keywordflow">case</span> 1:
    2090. 

  2090. <a name="l02050"></a>02050                      {
    2091. 

  2091. <a name="l02051"></a>02051                         <span class="keywordflow">if</span> ( !respTestI )
    2092. 

  2092. <a name="l02052"></a>02052                         {
    2093. 

  2093. <a name="l02053"></a>02053 
    2094. 

  2094. <a name="l02054"></a>02054                            testIchangedAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = resp.<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    2095. 

  2095. <a name="l02055"></a>02055                            testIchangedAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = resp.<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    2096. 

  2096. <a name="l02056"></a>02056                            testImappedAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = resp.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    2097. 

  2097. <a name="l02057"></a>02057                            testImappedAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = resp.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    2098. 

  2098. <a name="l02058"></a>02058 
    2099. 

  2099. <a name="l02059"></a>02059                            respTestPreservePort = ( testImappedAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> == port );
    2100. 

  2100. <a name="l02060"></a>02060                            <span class="keywordflow">if</span> ( preservePort )
    2101. 

  2101. <a name="l02061"></a>02061                            {
    2102. 

  2102. <a name="l02062"></a>02062                               *preservePort = respTestPreservePort;
    2103. 

  2103. <a name="l02063"></a>02063                            }
    2104. 

  2104. <a name="l02064"></a>02064 
    2105. 

  2105. <a name="l02065"></a>02065                            testI2dest.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = resp.<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    2106. 

  2106. <a name="l02066"></a>02066 
    2107. 

  2107. <a name="l02067"></a>02067                            <span class="keywordflow">if</span> (sAddr)
    2108. 

  2108. <a name="l02068"></a>02068                            {
    2109. 

  2109. <a name="l02069"></a>02069                               sAddr-&gt;<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = testImappedAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    2110. 

  2110. <a name="l02070"></a>02070                               sAddr-&gt;<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = testImappedAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    2111. 

  2111. <a name="l02071"></a>02071                            }
    2112. 

  2112. <a name="l02072"></a>02072 
    2113. 

  2113. <a name="l02073"></a>02073                            count = 0;
    2114. 

  2114. <a name="l02074"></a>02074                         }
    2115. 

  2115. <a name="l02075"></a>02075                         respTestI=<span class="keyword">true</span>;
    2116. 

  2116. <a name="l02076"></a>02076                      }
    2117. 

  2117. <a name="l02077"></a>02077                      <span class="keywordflow">break</span>;
    2118. 

  2118. <a name="l02078"></a>02078                      <span class="keywordflow">case</span> 2:
    2119. 

  2119. <a name="l02079"></a>02079                      {
    2120. 

  2120. <a name="l02080"></a>02080                         respTestII=<span class="keyword">true</span>;
    2121. 

  2121. <a name="l02081"></a>02081                      }
    2122. 

  2122. <a name="l02082"></a>02082                      <span class="keywordflow">break</span>;
    2123. 

  2123. <a name="l02083"></a>02083                      <span class="keywordflow">case</span> 3:
    2124. 

  2124. <a name="l02084"></a>02084                      {
    2125. 

  2125. <a name="l02085"></a>02085                         respTestIII=<span class="keyword">true</span>;
    2126. 

  2126. <a name="l02086"></a>02086                      }
    2127. 

  2127. <a name="l02087"></a>02087                      <span class="keywordflow">break</span>;
    2128. 

  2128. <a name="l02088"></a>02088                      <span class="keywordflow">case</span> 10:
    2129. 

  2129. <a name="l02089"></a>02089                      {
    2130. 

  2130. <a name="l02090"></a>02090                         <span class="keywordflow">if</span> ( !respTestI2 )
    2131. 

  2131. <a name="l02091"></a>02091                         {
    2132. 

  2132. <a name="l02092"></a>02092                            testI2mappedAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> = resp.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    2133. 

  2133. <a name="l02093"></a>02093                            testI2mappedAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> = resp.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>;
    2134. 

  2134. <a name="l02094"></a>02094 
    2135. 

  2135. <a name="l02095"></a>02095                            mappedIpSame = <span class="keyword">false</span>;
    2136. 

  2136. <a name="l02096"></a>02096                            <span class="keywordflow">if</span> ( (testI2mappedAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>  == testImappedAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> ) &amp;&amp;
    2137. 

  2137. <a name="l02097"></a>02097                                 (testI2mappedAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> == testImappedAddr.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> ))
    2138. 

  2138. <a name="l02098"></a>02098                            {
    2139. 

  2139. <a name="l02099"></a>02099                               mappedIpSame = <span class="keyword">true</span>;
    2140. 

  2140. <a name="l02100"></a>02100                            }
    2141. 

  2141. <a name="l02101"></a>02101 
    2142. 

  2142. <a name="l02102"></a>02102 
    2143. 

  2143. <a name="l02103"></a>02103                         }
    2144. 

  2144. <a name="l02104"></a>02104                         respTestI2=<span class="keyword">true</span>;
    2145. 

  2145. <a name="l02105"></a>02105                      }
    2146. 

  2146. <a name="l02106"></a>02106                      <span class="keywordflow">break</span>;
    2147. 

  2147. <a name="l02107"></a>02107                      <span class="keywordflow">case</span> 11:
    2148. 

  2148. <a name="l02108"></a>02108                      {
    2149. 

  2149. <a name="l02109"></a>02109 
    2150. 

  2150. <a name="l02110"></a>02110                         <span class="keywordflow">if</span> ( hairpin )
    2151. 

  2151. <a name="l02111"></a>02111                         {
    2152. 

  2152. <a name="l02112"></a>02112                            *hairpin = <span class="keyword">true</span>;
    2153. 

  2153. <a name="l02113"></a>02113                         }
    2154. 

  2154. <a name="l02114"></a>02114                         respTestHairpin = <span class="keyword">true</span>;
    2155. 

  2155. <a name="l02115"></a>02115                      }
    2156. 

  2156. <a name="l02116"></a>02116                      <span class="keywordflow">break</span>;
    2157. 

  2157. <a name="l02117"></a>02117                   }
    2158. 

  2158. <a name="l02118"></a>02118                }
    2159. 

  2159. <a name="l02119"></a>02119             }
    2160. 

  2160. <a name="l02120"></a>02120          }
    2161. 

  2161. <a name="l02121"></a>02121       }
    2162. 

  2162. <a name="l02122"></a>02122    }
    2163. 

  2163. <a name="l02123"></a>02123 
    2164. 

  2164. <a name="l02124"></a>02124    <span class="comment">// see if we can bind to this address</span>
    2165. 

  2165. <a name="l02125"></a>02125    <span class="comment">//cerr &lt;&lt; &quot;try binding to &quot; &lt;&lt; testImappedAddr &lt;&lt; endl;</span>
    2166. 

  2166. <a name="l02126"></a>02126    <a class="code" href="stun_8h.html#af9381320a2640ea84038579d8f143c01">Socket</a> s = <a class="code" href="stun__udp_8h.html#a44f511e14438aa519a0f367a84de4000" title="Open a UDP socket to receive on the given port - if port is 0, pick a a port, if interfaceIp!=0 then ...">openPort</a>( 0<span class="comment">/*use ephemeral*/</span>, testImappedAddr.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, <span class="keyword">false</span> );
    2167. 

  2167. <a name="l02127"></a>02127    <span class="keywordflow">if</span> ( s != <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a> )
    2168. 

  2168. <a name="l02128"></a>02128    {
    2169. 

  2169. <a name="l02129"></a>02129       <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>(s);
    2170. 

  2170. <a name="l02130"></a>02130       isNat = <span class="keyword">false</span>;
    2171. 

  2171. <a name="l02131"></a>02131       <span class="comment">//cerr &lt;&lt; &quot;binding worked&quot; &lt;&lt; endl;</span>
    2172. 

  2172. <a name="l02132"></a>02132    }
    2173. 

  2173. <a name="l02133"></a>02133    <span class="keywordflow">else</span>
    2174. 

  2174. <a name="l02134"></a>02134    {
    2175. 

  2175. <a name="l02135"></a>02135       isNat = <span class="keyword">true</span>;
    2176. 

  2176. <a name="l02136"></a>02136       <span class="comment">//cerr &lt;&lt; &quot;binding failed&quot; &lt;&lt; endl;</span>
    2177. 

  2177. <a name="l02137"></a>02137    }
    2178. 

  2178. <a name="l02138"></a>02138 
    2179. 

  2179. <a name="l02139"></a>02139    <span class="keywordflow">if</span> (verbose)
    2180. 

  2180. <a name="l02140"></a>02140    {
    2181. 

  2181. <a name="l02141"></a>02141       clog &lt;&lt; <span class="stringliteral">&quot;test I = &quot;</span> &lt;&lt; respTestI &lt;&lt; endl;
    2182. 

  2182. <a name="l02142"></a>02142       clog &lt;&lt; <span class="stringliteral">&quot;test II = &quot;</span> &lt;&lt; respTestII &lt;&lt; endl;
    2183. 

  2183. <a name="l02143"></a>02143       clog &lt;&lt; <span class="stringliteral">&quot;test III = &quot;</span> &lt;&lt; respTestIII &lt;&lt; endl;
    2184. 

  2184. <a name="l02144"></a>02144       clog &lt;&lt; <span class="stringliteral">&quot;test I(2) = &quot;</span> &lt;&lt; respTestI2 &lt;&lt; endl;
    2185. 

  2185. <a name="l02145"></a>02145       clog &lt;&lt; <span class="stringliteral">&quot;is nat  = &quot;</span> &lt;&lt; isNat &lt;&lt;endl;
    2186. 

  2186. <a name="l02146"></a>02146       clog &lt;&lt; <span class="stringliteral">&quot;mapped IP same = &quot;</span> &lt;&lt; mappedIpSame &lt;&lt; endl;
    2187. 

  2187. <a name="l02147"></a>02147       clog &lt;&lt; <span class="stringliteral">&quot;hairpin = &quot;</span> &lt;&lt; respTestHairpin &lt;&lt; endl;
    2188. 

  2188. <a name="l02148"></a>02148       clog &lt;&lt; <span class="stringliteral">&quot;preserver port = &quot;</span> &lt;&lt; respTestPreservePort &lt;&lt; endl;
    2189. 

  2189. <a name="l02149"></a>02149    }
    2190. 

  2190. <a name="l02150"></a>02150 
    2191. 

  2191. <a name="l02151"></a>02151 <span class="preprocessor">#if 0</span>
    2192. 

  2192. <a name="l02152"></a>02152 <span class="preprocessor"></span>   <span class="comment">// implement logic flow chart from draft RFC</span>
    2193. 

  2193. <a name="l02153"></a>02153    <span class="keywordflow">if</span> ( respTestI )
    2194. 

  2194. <a name="l02154"></a>02154    {
    2195. 

  2195. <a name="l02155"></a>02155       <span class="keywordflow">if</span> ( isNat )
    2196. 

  2196. <a name="l02156"></a>02156       {
    2197. 

  2197. <a name="l02157"></a>02157          <span class="keywordflow">if</span> (respTestII)
    2198. 

  2198. <a name="l02158"></a>02158          {
    2199. 

  2199. <a name="l02159"></a>02159             <span class="keywordflow">return</span> StunTypeConeNat;
    2200. 

  2200. <a name="l02160"></a>02160          }
    2201. 

  2201. <a name="l02161"></a>02161          <span class="keywordflow">else</span>
    2202. 

  2202. <a name="l02162"></a>02162          {
    2203. 

  2203. <a name="l02163"></a>02163             <span class="keywordflow">if</span> ( mappedIpSame )
    2204. 

  2204. <a name="l02164"></a>02164             {
    2205. 

  2205. <a name="l02165"></a>02165                <span class="keywordflow">if</span> ( respTestIII )
    2206. 

  2206. <a name="l02166"></a>02166                {
    2207. 

  2207. <a name="l02167"></a>02167                   <span class="keywordflow">return</span> StunTypeRestrictedNat;
    2208. 

  2208. <a name="l02168"></a>02168                }
    2209. 

  2209. <a name="l02169"></a>02169                <span class="keywordflow">else</span>
    2210. 

  2210. <a name="l02170"></a>02170                {
    2211. 

  2211. <a name="l02171"></a>02171                   <span class="keywordflow">return</span> StunTypePortRestrictedNat;
    2212. 

  2212. <a name="l02172"></a>02172                }
    2213. 

  2213. <a name="l02173"></a>02173             }
    2214. 

  2214. <a name="l02174"></a>02174             <span class="keywordflow">else</span>
    2215. 

  2215. <a name="l02175"></a>02175             {
    2216. 

  2216. <a name="l02176"></a>02176                <span class="keywordflow">return</span> StunTypeSymNat;
    2217. 

  2217. <a name="l02177"></a>02177             }
    2218. 

  2218. <a name="l02178"></a>02178          }
    2219. 

  2219. <a name="l02179"></a>02179       }
    2220. 

  2220. <a name="l02180"></a>02180       <span class="keywordflow">else</span>
    2221. 

  2221. <a name="l02181"></a>02181       {
    2222. 

  2222. <a name="l02182"></a>02182          <span class="keywordflow">if</span> (respTestII)
    2223. 

  2223. <a name="l02183"></a>02183          {
    2224. 

  2224. <a name="l02184"></a>02184             <span class="keywordflow">return</span> StunTypeOpen;
    2225. 

  2225. <a name="l02185"></a>02185          }
    2226. 

  2226. <a name="l02186"></a>02186          <span class="keywordflow">else</span>
    2227. 

  2227. <a name="l02187"></a>02187          {
    2228. 

  2228. <a name="l02188"></a>02188             <span class="keywordflow">return</span> StunTypeSymFirewall;
    2229. 

  2229. <a name="l02189"></a>02189          }
    2230. 

  2230. <a name="l02190"></a>02190       }
    2231. 

  2231. <a name="l02191"></a>02191    }
    2232. 

  2232. <a name="l02192"></a>02192    <span class="keywordflow">else</span>
    2233. 

  2233. <a name="l02193"></a>02193    {
    2234. 

  2234. <a name="l02194"></a>02194       <span class="keywordflow">return</span> StunTypeBlocked;
    2235. 

  2235. <a name="l02195"></a>02195    }
    2236. 

  2236. <a name="l02196"></a>02196 <span class="preprocessor">#else</span>
    2237. 

  2237. <a name="l02197"></a>02197 <span class="preprocessor"></span>   <span class="keywordflow">if</span> ( respTestI ) <span class="comment">// not blocked</span>
    2238. 

  2238. <a name="l02198"></a>02198    {
    2239. 

  2239. <a name="l02199"></a>02199       <span class="keywordflow">if</span> ( isNat )
    2240. 

  2240. <a name="l02200"></a>02200       {
    2241. 

  2241. <a name="l02201"></a>02201          <span class="keywordflow">if</span> ( mappedIpSame )
    2242. 

  2242. <a name="l02202"></a>02202          {
    2243. 

  2243. <a name="l02203"></a>02203             <span class="keywordflow">if</span> (respTestII)
    2244. 

  2244. <a name="l02204"></a>02204             {
    2245. 

  2245. <a name="l02205"></a>02205                <span class="keywordflow">return</span> StunTypeIndependentFilter;
    2246. 

  2246. <a name="l02206"></a>02206             }
    2247. 

  2247. <a name="l02207"></a>02207             <span class="keywordflow">else</span>
    2248. 

  2248. <a name="l02208"></a>02208             {
    2249. 

  2249. <a name="l02209"></a>02209                <span class="keywordflow">if</span> ( respTestIII )
    2250. 

  2250. <a name="l02210"></a>02210                {
    2251. 

  2251. <a name="l02211"></a>02211                   <span class="keywordflow">return</span> StunTypeDependentFilter;
    2252. 

  2252. <a name="l02212"></a>02212                }
    2253. 

  2253. <a name="l02213"></a>02213                <span class="keywordflow">else</span>
    2254. 

  2254. <a name="l02214"></a>02214                {
    2255. 

  2255. <a name="l02215"></a>02215                   <span class="keywordflow">return</span> StunTypePortDependedFilter;
    2256. 

  2256. <a name="l02216"></a>02216                }
    2257. 

  2257. <a name="l02217"></a>02217             }
    2258. 

  2258. <a name="l02218"></a>02218          }
    2259. 

  2259. <a name="l02219"></a>02219          <span class="keywordflow">else</span> <span class="comment">// mappedIp is not same</span>
    2260. 

  2260. <a name="l02220"></a>02220          {
    2261. 

  2261. <a name="l02221"></a>02221             <span class="keywordflow">return</span> StunTypeDependentMapping;
    2262. 

  2262. <a name="l02222"></a>02222          }
    2263. 

  2263. <a name="l02223"></a>02223       }
    2264. 

  2264. <a name="l02224"></a>02224       <span class="keywordflow">else</span>  <span class="comment">// isNat is false</span>
    2265. 

  2265. <a name="l02225"></a>02225       {
    2266. 

  2266. <a name="l02226"></a>02226          <span class="keywordflow">if</span> (respTestII)
    2267. 

  2267. <a name="l02227"></a>02227          {
    2268. 

  2268. <a name="l02228"></a>02228             <span class="keywordflow">return</span> StunTypeOpen;
    2269. 

  2269. <a name="l02229"></a>02229          }
    2270. 

  2270. <a name="l02230"></a>02230          <span class="keywordflow">else</span>
    2271. 

  2271. <a name="l02231"></a>02231          {
    2272. 

  2272. <a name="l02232"></a>02232             <span class="keywordflow">return</span> StunTypeFirewall;
    2273. 

  2273. <a name="l02233"></a>02233          }
    2274. 

  2274. <a name="l02234"></a>02234       }
    2275. 

  2275. <a name="l02235"></a>02235    }
    2276. 

  2276. <a name="l02236"></a>02236    <span class="keywordflow">else</span>
    2277. 

  2277. <a name="l02237"></a>02237    {
    2278. 

  2278. <a name="l02238"></a>02238       <span class="keywordflow">return</span> StunTypeBlocked;
    2279. 

  2279. <a name="l02239"></a>02239    }
    2280. 

  2280. <a name="l02240"></a>02240 <span class="preprocessor">#endif</span>
    2281. 

  2281. <a name="l02241"></a>02241 <span class="preprocessor"></span>
    2282. 

  2282. <a name="l02242"></a>02242    <span class="keywordflow">return</span> StunTypeUnknown;
    2283. 

  2283. <a name="l02243"></a>02243 }
    2284. 

  2284. <a name="l02244"></a>02244 
    2285. 

  2285. <a name="l02245"></a>02245 
    2286. 

  2286. <a name="l02246"></a>02246 <span class="keywordtype">int</span>
    2287. 

  2287. <a name="l02247"></a><a class="code" href="stun_8h.html#a5956654577cee7e80cbd7abfb06d3c7e">02247</a> <a class="code" href="stun_8cc.html#aa31355ece8353da047608020106c0b60">stunOpenSocket</a>( <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; dest, <a class="code" href="structStunAddress4.html">StunAddress4</a>* mapAddr,
    2288. 

  2288. <a name="l02248"></a>02248                 <span class="keywordtype">int</span> port, <a class="code" href="structStunAddress4.html">StunAddress4</a>* srcAddr,
    2289. 

  2289. <a name="l02249"></a>02249                 <span class="keywordtype">bool</span> verbose )
    2290. 

  2290. <a name="l02250"></a>02250 {
    2291. 

  2291. <a name="l02251"></a>02251    assert( dest.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a> != 0 );
    2292. 

  2292. <a name="l02252"></a>02252    assert( dest.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> != 0 );
    2293. 

  2293. <a name="l02253"></a>02253    assert( mapAddr );
    2294. 

  2294. <a name="l02254"></a>02254 
    2295. 

  2295. <a name="l02255"></a>02255    <span class="keywordflow">if</span> ( port == 0 )
    2296. 

  2296. <a name="l02256"></a>02256    {
    2297. 

  2297. <a name="l02257"></a>02257       port = <a class="code" href="stun_8cc.html#ad4a19c401bea76c471959a32a19b777e" title="return a random number to use as a port">stunRandomPort</a>();
    2298. 

  2298. <a name="l02258"></a>02258    }
    2299. 

  2299. <a name="l02259"></a>02259    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> interfaceIp = 0;
    2300. 

  2300. <a name="l02260"></a>02260    <span class="keywordflow">if</span> ( srcAddr )
    2301. 

  2301. <a name="l02261"></a>02261    {
    2302. 

  2302. <a name="l02262"></a>02262       interfaceIp = srcAddr-&gt;<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    2303. 

  2303. <a name="l02263"></a>02263    }
    2304. 

  2304. <a name="l02264"></a>02264 
    2305. 

  2305. <a name="l02265"></a>02265    <a class="code" href="stun_8h.html#af9381320a2640ea84038579d8f143c01">Socket</a> myFd = <a class="code" href="stun__udp_8h.html#a44f511e14438aa519a0f367a84de4000" title="Open a UDP socket to receive on the given port - if port is 0, pick a a port, if interfaceIp!=0 then ...">openPort</a>(port,interfaceIp,verbose);
    2306. 

  2306. <a name="l02266"></a>02266    <span class="keywordflow">if</span> (myFd == <a class="code" href="stun__udp_8h.html#ab095a168e3ee3fb25930ad2f03d4242b">STUN_INVALID_SOCKET</a>)
    2307. 

  2307. <a name="l02267"></a>02267    {
    2308. 

  2308. <a name="l02268"></a>02268       <span class="keywordflow">return</span> myFd;
    2309. 

  2309. <a name="l02269"></a>02269    }
    2310. 

  2310. <a name="l02270"></a>02270 
    2311. 

  2311. <a name="l02271"></a>02271    <span class="keywordtype">char</span> msg[STUN_MAX_MESSAGE_SIZE];
    2312. 

  2312. <a name="l02272"></a>02272    <span class="keywordtype">int</span> msgLen = <span class="keyword">sizeof</span>(msg);
    2313. 

  2313. <a name="l02273"></a>02273 
    2314. 

  2314. <a name="l02274"></a>02274    <a class="code" href="structStunAtrString.html">StunAtrString</a> username;
    2315. 

  2315. <a name="l02275"></a>02275    <a class="code" href="structStunAtrString.html">StunAtrString</a> password;
    2316. 

  2316. <a name="l02276"></a>02276 
    2317. 

  2317. <a name="l02277"></a>02277    username.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = 0;
    2318. 

  2318. <a name="l02278"></a>02278    password.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = 0;
    2319. 

  2319. <a name="l02279"></a>02279 
    2320. 

  2320. <a name="l02280"></a>02280 <span class="preprocessor">#ifdef USE_TLS</span>
    2321. 

  2321. <a name="l02281"></a>02281 <span class="preprocessor"></span>   <a class="code" href="stun_8cc.html#ae9317a5a127d1281953d961bcfbd2496">stunGetUserNameAndPassword</a>( dest, username, password );
    2322. 

  2322. <a name="l02282"></a>02282 <span class="preprocessor">#endif</span>
    2323. 

  2323. <a name="l02283"></a>02283 <span class="preprocessor"></span>
    2324. 

  2324. <a name="l02284"></a>02284    <a class="code" href="stun_8cc.html#ab17bbe96f9bef6d767fbee081ca123d7">stunSendTest</a>(myFd, dest, username, password, 1, 0<span class="comment">/*false*/</span> );
    2325. 

  2325. <a name="l02285"></a>02285 
    2326. 

  2326. <a name="l02286"></a>02286    <a class="code" href="structStunAddress4.html">StunAddress4</a> from;
    2327. 

  2327. <a name="l02287"></a>02287 
    2328. 

  2328. <a name="l02288"></a>02288    <a class="code" href="stun__udp_8h.html#a6eef3fdbadd5e5a9de73b7be46ce5aa2" title="recive a UDP message">getMessage</a>( myFd, msg, &amp;msgLen, &amp;from.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>, &amp;from.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a>,verbose );
    2329. 

  2329. <a name="l02289"></a>02289 
    2330. 

  2330. <a name="l02290"></a>02290    <a class="code" href="structStunMessage.html">StunMessage</a> resp;
    2331. 

  2331. <a name="l02291"></a>02291    memset(&amp;resp, 0, <span class="keyword">sizeof</span>(<a class="code" href="structStunMessage.html">StunMessage</a>));
    2332. 

  2332. <a name="l02292"></a>02292 
    2333. 

  2333. <a name="l02293"></a>02293    <span class="keywordtype">bool</span> ok = <a class="code" href="stun_8cc.html#af81c30137f26a4cb158b48aa21f4f681">stunParseMessage</a>( msg, msgLen, resp,verbose );
    2334. 

  2334. <a name="l02294"></a>02294    <span class="keywordflow">if</span> (!ok)
    2335. 

  2335. <a name="l02295"></a>02295    {
    2336. 

  2336. <a name="l02296"></a>02296       <span class="keywordflow">return</span> -1;
    2337. 

  2337. <a name="l02297"></a>02297    }
    2338. 

  2338. <a name="l02298"></a>02298 
    2339. 

  2339. <a name="l02299"></a>02299    <a class="code" href="structStunAddress4.html">StunAddress4</a> mappedAddr = resp.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>;
    2340. 

  2340. <a name="l02300"></a>02300    <a class="code" href="structStunAddress4.html">StunAddress4</a> changedAddr = resp.<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>;
    2341. 

  2341. <a name="l02301"></a>02301 
    2342. 

  2342. <a name="l02302"></a>02302    <span class="comment">//clog &lt;&lt; &quot;--- stunOpenSocket --- &quot; &lt;&lt; endl;</span>
    2343. 

  2343. <a name="l02303"></a>02303    <span class="comment">//clog &lt;&lt; &quot;\treq  id=&quot; &lt;&lt; req.id &lt;&lt; endl;</span>
    2344. 

  2344. <a name="l02304"></a>02304    <span class="comment">//clog &lt;&lt; &quot;\tresp id=&quot; &lt;&lt; id &lt;&lt; endl;</span>
    2345. 

  2345. <a name="l02305"></a>02305    <span class="comment">//clog &lt;&lt; &quot;\tmappedAddr=&quot; &lt;&lt; mappedAddr &lt;&lt; endl;</span>
    2346. 

  2346. <a name="l02306"></a>02306 
    2347. 

  2347. <a name="l02307"></a>02307    *mapAddr = mappedAddr;
    2348. 

  2348. <a name="l02308"></a>02308 
    2349. 

  2349. <a name="l02309"></a>02309    <span class="keywordflow">return</span> myFd;
    2350. 

  2350. <a name="l02310"></a>02310 }
    2351. 

  2351. <a name="l02311"></a>02311 
    2352. 

  2352. <a name="l02312"></a>02312 
    2353. 

  2353. <a name="l02313"></a>02313 <span class="keywordtype">bool</span>
    2354. 

  2354. <a name="l02314"></a><a class="code" href="stun_8h.html#aa4e28e0945cd1bdbf6610c6eb87db956">02314</a> <a class="code" href="stun_8cc.html#ad45b49d1f841269cea994ca84e8d071b">stunOpenSocketPair</a>( <a class="code" href="structStunAddress4.html">StunAddress4</a>&amp; dest, <a class="code" href="structStunAddress4.html">StunAddress4</a>* mapAddr,
    2355. 

  2355. <a name="l02315"></a>02315                     <span class="keywordtype">int</span>* fd1, <span class="keywordtype">int</span>* fd2,
    2356. 

  2356. <a name="l02316"></a>02316                     <span class="keywordtype">int</span> port, <a class="code" href="structStunAddress4.html">StunAddress4</a>* srcAddr,
    2357. 

  2357. <a name="l02317"></a>02317                     <span class="keywordtype">bool</span> verbose )
    2358. 

  2358. <a name="l02318"></a>02318 {
    2359. 

  2359. <a name="l02319"></a>02319    assert( dest.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>!= 0 );
    2360. 

  2360. <a name="l02320"></a>02320    assert( dest.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> != 0 );
    2361. 

  2361. <a name="l02321"></a>02321    assert( mapAddr );
    2362. 

  2362. <a name="l02322"></a>02322 
    2363. 

  2363. <a name="l02323"></a>02323    <span class="keyword">const</span> <span class="keywordtype">int</span> NUM=3;
    2364. 

  2364. <a name="l02324"></a>02324 
    2365. 

  2365. <a name="l02325"></a>02325    <span class="keywordflow">if</span> ( port == 0 )
    2366. 

  2366. <a name="l02326"></a>02326    {
    2367. 

  2367. <a name="l02327"></a>02327       port = <a class="code" href="stun_8cc.html#ad4a19c401bea76c471959a32a19b777e" title="return a random number to use as a port">stunRandomPort</a>();
    2368. 

  2368. <a name="l02328"></a>02328    }
    2369. 

  2369. <a name="l02329"></a>02329 
    2370. 

  2370. <a name="l02330"></a>02330    *fd1=-1;
    2371. 

  2371. <a name="l02331"></a>02331    *fd2=-1;
    2372. 

  2372. <a name="l02332"></a>02332 
    2373. 

  2373. <a name="l02333"></a>02333    <span class="keywordtype">char</span> msg[STUN_MAX_MESSAGE_SIZE];
    2374. 

  2374. <a name="l02334"></a>02334    <span class="keywordtype">int</span> msgLen =<span class="keyword">sizeof</span>(msg);
    2375. 

  2375. <a name="l02335"></a>02335 
    2376. 

  2376. <a name="l02336"></a>02336    <a class="code" href="structStunAddress4.html">StunAddress4</a> from;
    2377. 

  2377. <a name="l02337"></a>02337    <span class="keywordtype">int</span> fd[NUM];
    2378. 

  2378. <a name="l02338"></a>02338    <span class="keywordtype">int</span> i;
    2379. 

  2379. <a name="l02339"></a>02339 
    2380. 

  2380. <a name="l02340"></a>02340    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> interfaceIp = 0;
    2381. 

  2381. <a name="l02341"></a>02341    <span class="keywordflow">if</span> ( srcAddr )
    2382. 

  2382. <a name="l02342"></a>02342    {
    2383. 

  2383. <a name="l02343"></a>02343       interfaceIp = srcAddr-&gt;<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>;
    2384. 

  2384. <a name="l02344"></a>02344    }
    2385. 

  2385. <a name="l02345"></a>02345 
    2386. 

  2386. <a name="l02346"></a>02346    <span class="keywordflow">for</span>( i=0; i&lt;NUM; i++)
    2387. 

  2387. <a name="l02347"></a>02347    {
    2388. 

  2388. <a name="l02348"></a>02348       fd[i] = <a class="code" href="stun__udp_8h.html#a44f511e14438aa519a0f367a84de4000" title="Open a UDP socket to receive on the given port - if port is 0, pick a a port, if interfaceIp!=0 then ...">openPort</a>( (port == 0) ? 0 : (port + i),
    2389. 

  2389. <a name="l02349"></a>02349                         interfaceIp, verbose);
    2390. 

  2390. <a name="l02350"></a>02350       <span class="keywordflow">if</span> (fd[i] &lt; 0)
    2391. 

  2391. <a name="l02351"></a>02351       {
    2392. 

  2392. <a name="l02352"></a>02352          <span class="keywordflow">while</span> (i &gt; 0)
    2393. 

  2393. <a name="l02353"></a>02353          {
    2394. 

  2394. <a name="l02354"></a>02354             <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>(fd[--i]);
    2395. 

  2395. <a name="l02355"></a>02355          }
    2396. 

  2396. <a name="l02356"></a>02356          <span class="keywordflow">return</span> <span class="keyword">false</span>;
    2397. 

  2397. <a name="l02357"></a>02357       }
    2398. 

  2398. <a name="l02358"></a>02358    }
    2399. 

  2399. <a name="l02359"></a>02359 
    2400. 

  2400. <a name="l02360"></a>02360    <a class="code" href="structStunAtrString.html">StunAtrString</a> username;
    2401. 

  2401. <a name="l02361"></a>02361    <a class="code" href="structStunAtrString.html">StunAtrString</a> password;
    2402. 

  2402. <a name="l02362"></a>02362 
    2403. 

  2403. <a name="l02363"></a>02363    username.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = 0;
    2404. 

  2404. <a name="l02364"></a>02364    password.<a class="code" href="structStunAtrString.html#aa1e288247a4ae07b170ecf956bdd48c9">sizeValue</a> = 0;
    2405. 

  2405. <a name="l02365"></a>02365 
    2406. 

  2406. <a name="l02366"></a>02366 <span class="preprocessor">#ifdef USE_TLS</span>
    2407. 

  2407. <a name="l02367"></a>02367 <span class="preprocessor"></span>   <a class="code" href="stun_8cc.html#ae9317a5a127d1281953d961bcfbd2496">stunGetUserNameAndPassword</a>( dest, username, password );
    2408. 

  2408. <a name="l02368"></a>02368 <span class="preprocessor">#endif</span>
    2409. 

  2409. <a name="l02369"></a>02369 <span class="preprocessor"></span>
    2410. 

  2410. <a name="l02370"></a>02370    <span class="keywordflow">for</span>( i=0; i&lt;NUM; i++)
    2411. 

  2411. <a name="l02371"></a>02371    {
    2412. 

  2412. <a name="l02372"></a>02372       <a class="code" href="stun_8cc.html#ab17bbe96f9bef6d767fbee081ca123d7">stunSendTest</a>(fd[i], dest, username, password, 1<span class="comment">/*testNum*/</span>, verbose );
    2413. 

  2413. <a name="l02373"></a>02373    }
    2414. 

  2414. <a name="l02374"></a>02374 
    2415. 

  2415. <a name="l02375"></a>02375    <a class="code" href="structStunAddress4.html">StunAddress4</a> mappedAddr[NUM];
    2416. 

  2416. <a name="l02376"></a>02376    <span class="keywordflow">for</span>( i=0; i&lt;NUM; i++)
    2417. 

  2417. <a name="l02377"></a>02377    {
    2418. 

  2418. <a name="l02378"></a>02378       msgLen = <span class="keyword">sizeof</span>(msg)/<span class="keyword">sizeof</span>(*msg);
    2419. 

  2419. <a name="l02379"></a>02379       <a class="code" href="stun__udp_8h.html#a6eef3fdbadd5e5a9de73b7be46ce5aa2" title="recive a UDP message">getMessage</a>( fd[i],
    2420. 

  2420. <a name="l02380"></a>02380                   msg,
    2421. 

  2421. <a name="l02381"></a>02381                   &amp;msgLen,
    2422. 

  2422. <a name="l02382"></a>02382                   &amp;from.<a class="code" href="structStunAddress4.html#a870846bf1b2de80c031948f0795e24c6">addr</a>,
    2423. 

  2423. <a name="l02383"></a>02383                   &amp;from.<a class="code" href="structStunAddress4.html#a182b25091f39b6f1d9904a02bcbeb43b">port</a> ,verbose);
    2424. 

  2424. <a name="l02384"></a>02384 
    2425. 

  2425. <a name="l02385"></a>02385       <a class="code" href="structStunMessage.html">StunMessage</a> resp;
    2426. 

  2426. <a name="l02386"></a>02386       memset(&amp;resp, 0, <span class="keyword">sizeof</span>(<a class="code" href="structStunMessage.html">StunMessage</a>));
    2427. 

  2427. <a name="l02387"></a>02387 
    2428. 

  2428. <a name="l02388"></a>02388       <span class="keywordtype">bool</span> ok = <a class="code" href="stun_8cc.html#af81c30137f26a4cb158b48aa21f4f681">stunParseMessage</a>( msg, msgLen, resp, verbose );
    2429. 

  2429. <a name="l02389"></a>02389       <span class="keywordflow">if</span> (!ok)
    2430. 

  2430. <a name="l02390"></a>02390       {
    2431. 

  2431. <a name="l02391"></a>02391          <span class="keywordflow">return</span> <span class="keyword">false</span>;
    2432. 

  2432. <a name="l02392"></a>02392       }
    2433. 

  2433. <a name="l02393"></a>02393 
    2434. 

  2434. <a name="l02394"></a>02394       mappedAddr[i] = resp.<a class="code" href="structStunMessage.html#a7c354e1ca2aae9d180c98e6b12ba879c">mappedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>;
    2435. 

  2435. <a name="l02395"></a>02395       <a class="code" href="structStunAddress4.html">StunAddress4</a> changedAddr = resp.<a class="code" href="structStunMessage.html#ac240bd9424c010b74411679f1813a705">changedAddress</a>.<a class="code" href="structStunAtrAddress4.html#a80b81fdc81e96531c1fecd5b9b5125c4">ipv4</a>;
    2436. 

  2436. <a name="l02396"></a>02396    }
    2437. 

  2437. <a name="l02397"></a>02397 
    2438. 

  2438. <a name="l02398"></a>02398    <span class="keywordflow">if</span> (verbose)
    2439. 

  2439. <a name="l02399"></a>02399    {
    2440. 

  2440. <a name="l02400"></a>02400       clog &lt;&lt; <span class="stringliteral">&quot;--- stunOpenSocketPair --- &quot;</span> &lt;&lt; endl;
    2441. 

  2441. <a name="l02401"></a>02401       <span class="keywordflow">for</span>( i=0; i&lt;NUM; i++)
    2442. 

  2442. <a name="l02402"></a>02402       {
    2443. 

  2443. <a name="l02403"></a>02403          clog &lt;&lt; <span class="stringliteral">&quot;\t mappedAddr=&quot;</span> &lt;&lt; mappedAddr[i] &lt;&lt; endl;
    2444. 

  2444. <a name="l02404"></a>02404       }
    2445. 

  2445. <a name="l02405"></a>02405    }
    2446. 

  2446. <a name="l02406"></a>02406 
    2447. 

  2447. <a name="l02407"></a>02407    <span class="keywordflow">if</span> ( mappedAddr[0].port %2 == 0 )
    2448. 

  2448. <a name="l02408"></a>02408    {
    2449. 

  2449. <a name="l02409"></a>02409       <span class="keywordflow">if</span> (  mappedAddr[0].port+1 ==  mappedAddr[1].port )
    2450. 

  2450. <a name="l02410"></a>02410       {
    2451. 

  2451. <a name="l02411"></a>02411          *mapAddr = mappedAddr[0];
    2452. 

  2452. <a name="l02412"></a>02412          *fd1 = fd[0];
    2453. 

  2453. <a name="l02413"></a>02413          *fd2 = fd[1];
    2454. 

  2454. <a name="l02414"></a>02414          <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>( fd[2] );
    2455. 

  2455. <a name="l02415"></a>02415          <span class="keywordflow">return</span> <span class="keyword">true</span>;
    2456. 

  2456. <a name="l02416"></a>02416       }
    2457. 

  2457. <a name="l02417"></a>02417    }
    2458. 

  2458. <a name="l02418"></a>02418    <span class="keywordflow">else</span>
    2459. 

  2459. <a name="l02419"></a>02419    {
    2460. 

  2460. <a name="l02420"></a>02420       <span class="keywordflow">if</span> (( mappedAddr[1].port %2 == 0 )
    2461. 

  2461. <a name="l02421"></a>02421           &amp;&amp; (  mappedAddr[1].port+1 ==  mappedAddr[2].port ))
    2462. 

  2462. <a name="l02422"></a>02422       {
    2463. 

  2463. <a name="l02423"></a>02423          *mapAddr = mappedAddr[1];
    2464. 

  2464. <a name="l02424"></a>02424          *fd1 = fd[1];
    2465. 

  2465. <a name="l02425"></a>02425          *fd2 = fd[2];
    2466. 

  2466. <a name="l02426"></a>02426          <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>( fd[0] );
    2467. 

  2467. <a name="l02427"></a>02427          <span class="keywordflow">return</span> <span class="keyword">true</span>;
    2468. 

  2468. <a name="l02428"></a>02428       }
    2469. 

  2469. <a name="l02429"></a>02429    }
    2470. 

  2470. <a name="l02430"></a>02430 
    2471. 

  2471. <a name="l02431"></a>02431    <span class="comment">// something failed, close all and return error</span>
    2472. 

  2472. <a name="l02432"></a>02432    <span class="keywordflow">for</span>( i=0; i&lt;NUM; i++)
    2473. 

  2473. <a name="l02433"></a>02433    {
    2474. 

  2474. <a name="l02434"></a>02434       <a class="code" href="stun__udp_8h.html#a79746e37503e1405951088e144510b79">stunclosesocket</a>( fd[i] );
    2475. 

  2475. <a name="l02435"></a>02435    }
    2476. 

  2476. <a name="l02436"></a>02436 
    2477. 

  2477. <a name="l02437"></a>02437    <span class="keywordflow">return</span> <span class="keyword">false</span>;
    2478. 

  2478. <a name="l02438"></a>02438 }
    2479. 

  2479. <a name="l02439"></a>02439 
    2480. 

  2480. <a name="l02440"></a>02440 <span class="comment">/* ====================================================================</span>
    2481. 

  2481. <a name="l02441"></a>02441 <span class="comment"> * The Vovida Software License, Version 1.0</span>
    2482. 

  2482. <a name="l02442"></a>02442 <span class="comment"> *</span>
    2483. 

  2483. <a name="l02443"></a>02443 <span class="comment"> * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.</span>
    2484. 

  2484. <a name="l02444"></a>02444 <span class="comment"> *</span>
    2485. 

  2485. <a name="l02445"></a>02445 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
    2486. 

  2486. <a name="l02446"></a>02446 <span class="comment"> * modification, are permitted provided that the following conditions</span>
    2487. 

  2487. <a name="l02447"></a>02447 <span class="comment"> * are met:</span>
    2488. 

  2488. <a name="l02448"></a>02448 <span class="comment"> *</span>
    2489. 

  2489. <a name="l02449"></a>02449 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
    2490. 

  2490. <a name="l02450"></a>02450 <span class="comment"> *    notice, this list of conditions and the following disclaimer.</span>
    2491. 

  2491. <a name="l02451"></a>02451 <span class="comment"> *</span>
    2492. 

  2492. <a name="l02452"></a>02452 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span>
    2493. 

  2493. <a name="l02453"></a>02453 <span class="comment"> *    notice, this list of conditions and the following disclaimer in</span>
    2494. 

  2494. <a name="l02454"></a>02454 <span class="comment"> *    the documentation and/or other materials provided with the</span>
    2495. 

  2495. <a name="l02455"></a>02455 <span class="comment"> *    distribution.</span>
    2496. 

  2496. <a name="l02456"></a>02456 <span class="comment"> *</span>
    2497. 

  2497. <a name="l02457"></a>02457 <span class="comment"> * 3. The names &quot;VOCAL&quot;, &quot;Vovida Open Communication Application Library&quot;,</span>
    2498. 

  2498. <a name="l02458"></a>02458 <span class="comment"> *    and &quot;Vovida Open Communication Application Library (VOCAL)&quot; must</span>
    2499. 

  2499. <a name="l02459"></a>02459 <span class="comment"> *    not be used to endorse or promote products derived from this</span>
    2500. 

  2500. <a name="l02460"></a>02460 <span class="comment"> *    software without prior written permission. For written</span>
    2501. 

  2501. <a name="l02461"></a>02461 <span class="comment"> *    permission, please contact vocal@vovida.org.</span>
    2502. 

  2502. <a name="l02462"></a>02462 <span class="comment"> *</span>
    2503. 

  2503. <a name="l02463"></a>02463 <span class="comment"> * 4. Products derived from this software may not be called &quot;VOCAL&quot;, nor</span>
    2504. 

  2504. <a name="l02464"></a>02464 <span class="comment"> *    may &quot;VOCAL&quot; appear in their name, without prior written</span>
    2505. 

  2505. <a name="l02465"></a>02465 <span class="comment"> *    permission of Vovida Networks, Inc.</span>
    2506. 

  2506. <a name="l02466"></a>02466 <span class="comment"> *</span>
    2507. 

  2507. <a name="l02467"></a>02467 <span class="comment"> * THIS SOFTWARE IS PROVIDED &quot;AS IS&quot; AND ANY EXPRESSED OR IMPLIED</span>
    2508. 

  2508. <a name="l02468"></a>02468 <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES</span>
    2509. 

  2509. <a name="l02469"></a>02469 <span class="comment"> * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND</span>
    2510. 

  2510. <a name="l02470"></a>02470 <span class="comment"> * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA</span>
    2511. 

  2511. <a name="l02471"></a>02471 <span class="comment"> * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES</span>
    2512. 

  2512. <a name="l02472"></a>02472 <span class="comment"> * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,</span>
    2513. 

  2513. <a name="l02473"></a>02473 <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,</span>
    2514. 

  2514. <a name="l02474"></a>02474 <span class="comment"> * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR</span>
    2515. 

  2515. <a name="l02475"></a>02475 <span class="comment"> * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY</span>
    2516. 

  2516. <a name="l02476"></a>02476 <span class="comment"> * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
    2517. 

  2517. <a name="l02477"></a>02477 <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE</span>
    2518. 

  2518. <a name="l02478"></a>02478 <span class="comment"> * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH</span>
    2519. 

  2519. <a name="l02479"></a>02479 <span class="comment"> * DAMAGE.</span>
    2520. 

  2520. <a name="l02480"></a>02480 <span class="comment"> *</span>
    2521. 

  2521. <a name="l02481"></a>02481 <span class="comment"> * ====================================================================</span>
    2522. 

  2522. <a name="l02482"></a>02482 <span class="comment"> *</span>
    2523. 

  2523. <a name="l02483"></a>02483 <span class="comment"> * This software consists of voluntary contributions made by Vovida</span>
    2524. 

  2524. <a name="l02484"></a>02484 <span class="comment"> * Networks, Inc. and many individuals on behalf of Vovida Networks,</span>
    2525. 

  2525. <a name="l02485"></a>02485 <span class="comment"> * Inc.  For more information on Vovida Networks, Inc., please see</span>
    2526. 

  2526. <a name="l02486"></a>02486 <span class="comment"> * &lt;http://www.vovida.org/&gt;.</span>
    2527. 

  2527. <a name="l02487"></a>02487 <span class="comment"> *</span>
    2528. 

  2528. <a name="l02488"></a>02488 <span class="comment"> */</span>
    2529. 

  2529. <a name="l02489"></a>02489 
    2530. 

  2530. <a name="l02490"></a>02490 <span class="comment">// Local Variables:</span>
    2531. 

  2531. <a name="l02491"></a>02491 <span class="comment">// mode:c++</span>
    2532. 

  2532. <a name="l02492"></a>02492 <span class="comment">// c-file-style:&quot;ellemtel&quot;</span>
    2533. 

  2533. <a name="l02493"></a>02493 <span class="comment">// c-file-offsets:((case-label . +))</span>
    2534. 

  2534. <a name="l02494"></a>02494 <span class="comment">// indent-tabs-mode:nil</span>
    2535. 

  2535. <a name="l02495"></a>02495 <span class="comment">// End:</span>
    2536. 

  2536. <a name="l02496"></a>02496 
    2537. 

  2537. <a name="l02497"></a>02497 
    2538. 

  2538. </pre></div></div>
    2539. 

  2539. </div>
    2540. 

  2540. <hr class="footer"/><address class="footer"><small>Generated on Wed Nov 3 2010 14:40:45 for OverSim by&nbsp;
    2541. 

  2541. <a href="http://www.doxygen.org/index.html">
    2542. 

  2542. <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address>
    2543. 

  2543. </body>
    2544. 

  2544. </html>
    2545. 

  2545.