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/opensource.apple.com/source/tcpdump/tcpdump-7/tcpdump/print-ipx.c

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C | 239 lines | 190 code | 27 blank | 22 comment | 2 complexity | 01d3982e7f31c9c2a74ae717ce467423 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, GPL-2.0, BSD-3-Clause, GPL-3.0, MPL-2.0, LGPL-2.0, LGPL-2.1, CC-BY-SA-3.0, IPL-1.0, ISC, AGPL-1.0, AGPL-3.0, JSON, Apache-2.0, 0BSD 
    

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    5. 

  5. <title>print-ipx.c</title>
    6. 

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    7. 

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    8. 

  8. .enscript-function-name { font-weight: bold; color: rgb(0,0,255); }
    9. 

  9. .enscript-variable-name { font-weight: bold; color: rgb(184,134,11); }
    10. 

  10. .enscript-keyword { font-weight: bold; color: rgb(160,32,240); }
    11. 

  11. .enscript-reference { font-weight: bold; color: rgb(95,158,160); }
    12. 

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    17. 

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    18. 

  18. <body id="top">
    19. 

  19. <h1 style="margin:8px;" id="f1">print-ipx.c&nbsp;&nbsp;&nbsp;<span style="font-weight: normal; font-size: 0.5em;">[<a href="?txt">plain text</a>]</span></h1>
    20. 

  20. <hr/>
    21. 

  21. <div></div>
    22. 

  22. <pre>
    23. 

  23. <span class="enscript-comment">/*
    24. 

  24.  * Copyright (c) 1994, 1995, 1996
    25. 

  25.  *	The Regents of the University of California.  All rights reserved.
    26. 

  26.  *
    27. 

  27.  * Redistribution and use in source and binary forms, with or without
    28. 

  28.  * modification, are permitted provided that: (1) source code distributions
    29. 

  29.  * retain the above copyright notice and this paragraph in its entirety, (2)
    30. 

  30.  * distributions including binary code include the above copyright notice and
    31. 

  31.  * this paragraph in its entirety in the documentation or other materials
    32. 

  32.  * provided with the distribution, and (3) all advertising materials mentioning
    33. 

  33.  * features or use of this software display the following acknowledgement:
    34. 

  34.  * ``This product includes software developed by the University of California,
    35. 

  35.  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
    36. 

  36.  * the University nor the names of its contributors may be used to endorse
    37. 

  37.  * or promote products derived from this software without specific prior
    38. 

  38.  * written permission.
    39. 

  39.  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
    40. 

  40.  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
    41. 

  41.  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    42. 

  42.  *
    43. 

  43.  * Format and print Novell IPX packets.
    44. 

  44.  * Contributed by Brad Parker (<a href="mailto:brad@fcr.com">brad@fcr.com</a>).
    45. 

  45.  */</span>
    46. 

  46. 

  47. #<span class="enscript-reference">ifndef</span> <span class="enscript-variable-name">lint</span>
    48. 

  48. <span class="enscript-type">static</span> <span class="enscript-type">const</span> <span class="enscript-type">char</span> rcsid[] =
    49. 

  49.     <span class="enscript-string">&quot;@(#) $Header: /cvs/root/tcpdump/tcpdump/print-ipx.c,v 1.1.1.3 2003/03/17 18:42:17 rbraun Exp $&quot;</span>;
    50. 

  50. #<span class="enscript-reference">endif</span>
    51. 

  51. 

  52. #<span class="enscript-reference">ifdef</span> <span class="enscript-variable-name">HAVE_CONFIG_H</span>
    53. 

  53. #<span class="enscript-reference">include</span> <span class="enscript-string">&quot;config.h&quot;</span>
    54. 

  54. #<span class="enscript-reference">endif</span>
    55. 

  55. 

  56. #<span class="enscript-reference">include</span> <span class="enscript-string">&lt;tcpdump-stdinc.h&gt;</span>
    57. 

  57. 

  58. #<span class="enscript-reference">include</span> <span class="enscript-string">&lt;stdlib.h&gt;</span>
    59. 

  59. #<span class="enscript-reference">include</span> <span class="enscript-string">&lt;stdio.h&gt;</span>
    60. 

  60. #<span class="enscript-reference">include</span> <span class="enscript-string">&lt;string.h&gt;</span>
    61. 

  61. 

  62. #<span class="enscript-reference">include</span> <span class="enscript-string">&quot;interface.h&quot;</span>
    63. 

  63. #<span class="enscript-reference">include</span> <span class="enscript-string">&quot;addrtoname.h&quot;</span>
    64. 

  64. #<span class="enscript-reference">include</span> <span class="enscript-string">&quot;ipx.h&quot;</span>
    65. 

  65. #<span class="enscript-reference">include</span> <span class="enscript-string">&quot;extract.h&quot;</span>
    66. 

  66. 

  67. 

  68. <span class="enscript-type">static</span> <span class="enscript-type">const</span> <span class="enscript-type">char</span> *<span class="enscript-function-name">ipxaddr_string</span>(u_int32_t, <span class="enscript-type">const</span> u_char *);
    69. 

  69. <span class="enscript-type">void</span> <span class="enscript-function-name">ipx_decode</span>(<span class="enscript-type">const</span> <span class="enscript-type">struct</span> ipxHdr *, <span class="enscript-type">const</span> u_char *, u_int);
    70. 

  70. <span class="enscript-type">void</span> <span class="enscript-function-name">ipx_sap_print</span>(<span class="enscript-type">const</span> u_short *, u_int);
    71. 

  71. <span class="enscript-type">void</span> <span class="enscript-function-name">ipx_rip_print</span>(<span class="enscript-type">const</span> u_short *, u_int);
    72. 

  72. 

  73. <span class="enscript-comment">/*
    74. 

  74.  * Print IPX datagram packets.
    75. 

  75.  */</span>
    76. 

  76. <span class="enscript-type">void</span>
    77. 

  77. <span class="enscript-function-name">ipx_print</span>(<span class="enscript-type">const</span> u_char *p, u_int length)
    78. 

  78. {
    79. 

  79. 	<span class="enscript-type">const</span> <span class="enscript-type">struct</span> ipxHdr *ipx = (<span class="enscript-type">const</span> <span class="enscript-type">struct</span> ipxHdr *)p;
    80. 

  80. 

  81. 	TCHECK(ipx-&gt;srcSkt);
    82. 

  82. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot;%s.%04x &gt; &quot;</span>,
    83. 

  83. 		     ipxaddr_string(EXTRACT_32BITS(ipx-&gt;srcNet), ipx-&gt;srcNode),
    84. 

  84. 		     EXTRACT_16BITS(&amp;ipx-&gt;srcSkt));
    85. 

  85. 

  86. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot;%s.%04x:&quot;</span>,
    87. 

  87. 		     ipxaddr_string(EXTRACT_32BITS(ipx-&gt;dstNet), ipx-&gt;dstNode),
    88. 

  88. 		     EXTRACT_16BITS(&amp;ipx-&gt;dstSkt));
    89. 

  89. 

  90. 	<span class="enscript-comment">/* take length from ipx header */</span>
    91. 

  91. 	TCHECK(ipx-&gt;length);
    92. 

  92. 	length = EXTRACT_16BITS(&amp;ipx-&gt;length);
    93. 

  93. 

  94. 	ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize);
    95. 

  95. 	<span class="enscript-keyword">return</span>;
    96. 

  96. <span class="enscript-reference">trunc</span>:
    97. 

  97. 	printf(<span class="enscript-string">&quot;[|ipx %d]&quot;</span>, length);
    98. 

  98. }
    99. 

  99. 

  100. <span class="enscript-type">static</span> <span class="enscript-type">const</span> <span class="enscript-type">char</span> *
    101. 

  101. <span class="enscript-function-name">ipxaddr_string</span>(u_int32_t net, <span class="enscript-type">const</span> u_char *node)
    102. 

  102. {
    103. 

  103.     <span class="enscript-type">static</span> <span class="enscript-type">char</span> line[256];
    104. 

  104. 

  105.     snprintf(line, <span class="enscript-keyword">sizeof</span>(line), <span class="enscript-string">&quot;%08x.%02x:%02x:%02x:%02x:%02x:%02x&quot;</span>,
    106. 

  106. 	    net, node[0], node[1], node[2], node[3], node[4], node[5]);
    107. 

  107. 

  108.     <span class="enscript-keyword">return</span> line;
    109. 

  109. }
    110. 

  110. 

  111. <span class="enscript-type">void</span>
    112. 

  112. <span class="enscript-function-name">ipx_decode</span>(<span class="enscript-type">const</span> <span class="enscript-type">struct</span> ipxHdr *ipx, <span class="enscript-type">const</span> u_char *datap, u_int length)
    113. 

  113. {
    114. 

  114.     <span class="enscript-type">register</span> u_short dstSkt;
    115. 

  115. 

  116.     dstSkt = EXTRACT_16BITS(&amp;ipx-&gt;dstSkt);
    117. 

  117.     <span class="enscript-keyword">switch</span> (dstSkt) {
    118. 

  118.       <span class="enscript-keyword">case</span> <span class="enscript-reference">IPX_SKT_NCP</span>:
    119. 

  119. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot; ipx-ncp %d&quot;</span>, length);
    120. 

  120. 	<span class="enscript-keyword">break</span>;
    121. 

  121.       <span class="enscript-keyword">case</span> <span class="enscript-reference">IPX_SKT_SAP</span>:
    122. 

  122. 	ipx_sap_print((u_short *)datap, length);
    123. 

  123. 	<span class="enscript-keyword">break</span>;
    124. 

  124.       <span class="enscript-keyword">case</span> <span class="enscript-reference">IPX_SKT_RIP</span>:
    125. 

  125. 	ipx_rip_print((u_short *)datap, length);
    126. 

  126. 	<span class="enscript-keyword">break</span>;
    127. 

  127.       <span class="enscript-keyword">case</span> <span class="enscript-reference">IPX_SKT_NETBIOS</span>:
    128. 

  128. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot; ipx-netbios %d&quot;</span>, length);
    129. 

  129. #<span class="enscript-reference">ifdef</span> <span class="enscript-variable-name">TCPDUMP_DO_SMB</span>
    130. 

  130. 	ipx_netbios_print(datap, length);
    131. 

  131. #<span class="enscript-reference">endif</span>
    132. 

  132. 	<span class="enscript-keyword">break</span>;
    133. 

  133.       <span class="enscript-keyword">case</span> <span class="enscript-reference">IPX_SKT_DIAGNOSTICS</span>:
    134. 

  134. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot; ipx-diags %d&quot;</span>, length);
    135. 

  135. 	<span class="enscript-keyword">break</span>;
    136. 

  136.       <span class="enscript-keyword">case</span> <span class="enscript-reference">IPX_SKT_NWLINK_DGM</span>:
    137. 

  137. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot; ipx-nwlink-dgm %d&quot;</span>, length);
    138. 

  138. #<span class="enscript-reference">ifdef</span> <span class="enscript-variable-name">TCPDUMP_DO_SMB</span>
    139. 

  139. 	ipx_netbios_print(datap, length);
    140. 

  140. #<span class="enscript-reference">endif</span>
    141. 

  141. 	<span class="enscript-keyword">break</span>;
    142. 

  142.       <span class="enscript-keyword">case</span> <span class="enscript-reference">IPX_SKT_EIGRP</span>:
    143. 

  143. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot; ipx-eigrp %d&quot;</span>, length);
    144. 

  144. 	<span class="enscript-keyword">break</span>;
    145. 

  145.       <span class="enscript-reference">default</span>:
    146. 

  146. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot; ipx-#%x %d&quot;</span>, dstSkt, length);
    147. 

  147. 	<span class="enscript-keyword">break</span>;
    148. 

  148.     }
    149. 

  149. }
    150. 

  150. 

  151. <span class="enscript-type">void</span>
    152. 

  152. <span class="enscript-function-name">ipx_sap_print</span>(<span class="enscript-type">const</span> u_short *ipx, u_int length)
    153. 

  153. {
    154. 

  154.     <span class="enscript-type">int</span> command, i;
    155. 

  155. 

  156.     TCHECK(ipx[0]);
    157. 

  157.     command = EXTRACT_16BITS(ipx);
    158. 

  158.     ipx++;
    159. 

  159.     length -= 2;
    160. 

  160. 

  161.     <span class="enscript-keyword">switch</span> (command) {
    162. 

  162.       <span class="enscript-keyword">case</span> <span class="enscript-reference">1</span>:
    163. 

  163.       <span class="enscript-keyword">case</span> <span class="enscript-reference">3</span>:
    164. 

  164. 	<span class="enscript-keyword">if</span> (command == 1)
    165. 

  165. 	    (<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot;ipx-sap-req&quot;</span>);
    166. 

  166. 	<span class="enscript-keyword">else</span>
    167. 

  167. 	    (<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot;ipx-sap-nearest-req&quot;</span>);
    168. 

  168. 

  169. 	TCHECK(ipx[0]);
    170. 

  170. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot; %s&quot;</span>, ipxsap_string(htons(EXTRACT_16BITS(&amp;ipx[0]))));
    171. 

  171. 	<span class="enscript-keyword">break</span>;
    172. 

  172. 

  173.       <span class="enscript-keyword">case</span> <span class="enscript-reference">2</span>:
    174. 

  174.       <span class="enscript-keyword">case</span> <span class="enscript-reference">4</span>:
    175. 

  175. 	<span class="enscript-keyword">if</span> (command == 2)
    176. 

  176. 	    (<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot;ipx-sap-resp&quot;</span>);
    177. 

  177. 	<span class="enscript-keyword">else</span>
    178. 

  178. 	    (<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot;ipx-sap-nearest-resp&quot;</span>);
    179. 

  179. 

  180. 	<span class="enscript-keyword">for</span> (i = 0; i &lt; 8 &amp;&amp; length &gt; 0; i++) {
    181. 

  181. 	    TCHECK2(ipx[25], 10);
    182. 

  182. 	    (<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot; %s '&quot;</span>, ipxsap_string(htons(EXTRACT_16BITS(&amp;ipx[0]))));
    183. 

  183. 	    fn_print((u_char *)&amp;ipx[1], (u_char *)&amp;ipx[1] + 48);
    184. 

  184. 	    printf(<span class="enscript-string">&quot;' addr %s&quot;</span>,
    185. 

  185. 		ipxaddr_string(EXTRACT_32BITS(&amp;ipx[25]), (u_char *)&amp;ipx[27]));
    186. 

  186. 	    ipx += 32;
    187. 

  187. 	    length -= 64;
    188. 

  188. 	}
    189. 

  189. 	<span class="enscript-keyword">break</span>;
    190. 

  190.       <span class="enscript-reference">default</span>:
    191. 

  191. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot;ipx-sap-?%x&quot;</span>, command);
    192. 

  192. 	<span class="enscript-keyword">break</span>;
    193. 

  193.     }
    194. 

  194.     <span class="enscript-keyword">return</span>;
    195. 

  195. <span class="enscript-reference">trunc</span>:
    196. 

  196.     printf(<span class="enscript-string">&quot;[|ipx %d]&quot;</span>, length);
    197. 

  197. }
    198. 

  198. 

  199. <span class="enscript-type">void</span>
    200. 

  200. <span class="enscript-function-name">ipx_rip_print</span>(<span class="enscript-type">const</span> u_short *ipx, u_int length)
    201. 

  201. {
    202. 

  202.     <span class="enscript-type">int</span> command, i;
    203. 

  203. 

  204.     TCHECK(ipx[0]);
    205. 

  205.     command = EXTRACT_16BITS(ipx);
    206. 

  206.     ipx++;
    207. 

  207.     length -= 2;
    208. 

  208. 

  209.     <span class="enscript-keyword">switch</span> (command) {
    210. 

  210.       <span class="enscript-keyword">case</span> <span class="enscript-reference">1</span>:
    211. 

  211. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot;ipx-rip-req&quot;</span>);
    212. 

  212. 	<span class="enscript-keyword">if</span> (length &gt; 0) {
    213. 

  213. 	    TCHECK(ipx[3]);
    214. 

  214. 	    (<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot; %u/%d.%d&quot;</span>, EXTRACT_32BITS(&amp;ipx[0]),
    215. 

  215. 			 EXTRACT_16BITS(&amp;ipx[2]), EXTRACT_16BITS(&amp;ipx[3]));
    216. 

  216. 	}
    217. 

  217. 	<span class="enscript-keyword">break</span>;
    218. 

  218.       <span class="enscript-keyword">case</span> <span class="enscript-reference">2</span>:
    219. 

  219. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot;ipx-rip-resp&quot;</span>);
    220. 

  220. 	<span class="enscript-keyword">for</span> (i = 0; i &lt; 50 &amp;&amp; length &gt; 0; i++) {
    221. 

  221. 	    TCHECK(ipx[3]);
    222. 

  222. 	    (<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot; %u/%d.%d&quot;</span>, EXTRACT_32BITS(&amp;ipx[0]),
    223. 

  223. 			 EXTRACT_16BITS(&amp;ipx[2]), EXTRACT_16BITS(&amp;ipx[3]));
    224. 

  224. 

  225. 	    ipx += 4;
    226. 

  226. 	    length -= 8;
    227. 

  227. 	}
    228. 

  228. 	<span class="enscript-keyword">break</span>;
    229. 

  229.       <span class="enscript-reference">default</span>:
    230. 

  230. 	(<span class="enscript-type">void</span>)printf(<span class="enscript-string">&quot;ipx-rip-?%x&quot;</span>, command);
    231. 

  231. 	<span class="enscript-keyword">break</span>;
    232. 

  232.     }
    233. 

  233.     <span class="enscript-keyword">return</span>;
    234. 

  234. <span class="enscript-reference">trunc</span>:
    235. 

  235.     printf(<span class="enscript-string">&quot;[|ipx %d]&quot;</span>, length);
    236. 

  236. }
    237. 

  237. </pre>
    238. 

  238. <hr />
    239. 

  239. </body></html>
    240.