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/epan/dissectors/packet-ppp.c

https://github.com/labx-technologies-llc/wireshark
C | 6870 lines | 5576 code | 732 blank | 562 comment | 274 complexity | d565937fffc7e1d4a6d6170abe1b6cf1 MD5 | raw file
Possible License(s): GPL-2.0, BSD-3-Clause

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  1. /* packet-ppp.c
    2. 

  2.  * Routines for ppp packet disassembly
    3. 

  3.  * RFC 1661, RFC 1662
    4. 

  4.  *
    5. 

  5.  * $Id$
    6. 

  6.  *
    7. 

  7.  * Wireshark - Network traffic analyzer
    8. 

  8.  * By Gerald Combs <gerald@wireshark.org>
    9. 

  9.  *
    10. 

  10.  * This file created and by Mike Hall <mlh@io.com>
    11. 

  11.  * Copyright 1998
    12. 

  12.  *
    13. 

  13.  * This program is free software; you can redistribute it and/or
    14. 

  14.  * modify it under the terms of the GNU General Public License
    15. 

  15.  * as published by the Free Software Foundation; either version 2
    16. 

  16.  * of the License, or (at your option) any later version.
    17. 

  17.  *
    18. 

  18.  * This program is distributed in the hope that it will be useful,
    19. 

  19.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    20. 

  20.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    21. 

  21.  * GNU General Public License for more details.
    22. 

  22.  *
    23. 

  23.  * You should have received a copy of the GNU General Public License
    24. 

  24.  * along with this program; if not, write to the Free Software
    25. 

  25.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
    26. 

  26.  */
    27. 

  27. 

  28. #include "config.h"
    29. 

  29. 

  30. #include <glib.h>
    31. 

  31. #include <epan/packet.h>
    32. 

  32. #include <epan/prefs.h>
    33. 

  33. #include <epan/wmem/wmem.h>
    34. 

  34. #include "packet-ppp.h"
    35. 

  35. #include <epan/ppptypes.h>
    36. 

  36. #include <epan/etypes.h>
    37. 

  37. #include <epan/expert.h>
    38. 

  38. #include <epan/ip_opts.h>
    39. 

  39. #include <epan/atalk-utils.h>
    40. 

  40. #include "packet-chdlc.h"
    41. 

  41. #include "packet-ip.h"
    42. 

  42. #include "packet-ipx.h"
    43. 

  43. #include "packet-vines.h"
    44. 

  44. #include <epan/nlpid.h>
    45. 

  45. #include <epan/crc16-tvb.h>
    46. 

  46. #include <epan/crc32-tvb.h>
    47. 

  47. #include <epan/ipproto.h>
    48. 

  48. #include <epan/addr_resolv.h>
    49. 

  49. #include <epan/oui.h>
    50. 

  50. #include "packet-usb.h"
    51. 

  51. #include "packet-sll.h"
    52. 

  52. 

  53. 

  54. static int proto_ppp = -1;
    55. 

  55. static int hf_ppp_direction = -1;
    56. 

  56. static int hf_ppp_address = -1;
    57. 

  57. static int hf_ppp_control = -1;
    58. 

  58. static int hf_ppp_protocol = -1;
    59. 

  59. static int hf_ppp_code = -1;
    60. 

  60. static int hf_ppp_identifier = -1;
    61. 

  61. static int hf_ppp_length = -1;
    62. 

  62. static int hf_ppp_magic_number = -1;
    63. 

  63. static int hf_ppp_oui = -1;
    64. 

  64. static int hf_ppp_kind = -1;
    65. 

  65. static int hf_ppp_data = -1;
    66. 

  66. static int hf_ppp_opt_type = -1;
    67. 

  67. static int hf_ppp_opt_type_copy = -1;
    68. 

  68. static int hf_ppp_opt_type_class = -1;
    69. 

  69. static int hf_ppp_opt_type_number = -1;
    70. 

  70. 

  71. static gint ett_ppp = -1;
    72. 

  72. static gint ett_ppp_opt_type = -1;
    73. 

  73. 

  74. static expert_field ei_ppp_opt_len_invalid = EI_INIT;
    75. 

  75. 

  76. static int proto_ppp_hdlc = -1;
    77. 

  77. 

  78. static gint ett_ppp_hdlc_data = -1;
    79. 

  79. 

  80. static int proto_lcp = -1;
    81. 

  81. 

  82. static gint ett_lcp = -1;
    83. 

  83. static gint ett_lcp_options = -1;
    84. 

  84. static gint ett_lcp_vendor_opt = -1;
    85. 

  85. static gint ett_lcp_mru_opt = -1;
    86. 

  86. static gint ett_lcp_asyncmap_opt = -1;
    87. 

  87. static gint ett_lcp_authprot_opt = -1;
    88. 

  88. static gint ett_lcp_qualprot_opt = -1;
    89. 

  89. static gint ett_lcp_magicnumber_opt = -1;
    90. 

  90. static gint ett_lcp_linkqualmon_opt = -1;
    91. 

  91. static gint ett_lcp_pcomp_opt = -1;
    92. 

  92. static gint ett_lcp_acccomp_opt = -1;
    93. 

  93. static gint ett_lcp_fcs_alternatives_opt = -1;
    94. 

  94. static gint ett_lcp_self_desc_pad_opt = -1;
    95. 

  95. static gint ett_lcp_numbered_mode_opt = -1;
    96. 

  96. static gint ett_lcp_callback_opt = -1;
    97. 

  97. static gint ett_lcp_compound_frames_opt = -1;
    98. 

  98. static gint ett_lcp_nomdataencap_opt = -1;
    99. 

  99. static gint ett_lcp_multilink_mrru_opt = -1;
    100. 

  100. static gint ett_lcp_multilink_ssnh_opt = -1;
    101. 

  101. static gint ett_lcp_multilink_ep_disc_opt = -1;
    102. 

  102. static gint ett_lcp_magic_block = -1;
    103. 

  103. static gint ett_lcp_dce_identifier_opt = -1;
    104. 

  104. static gint ett_lcp_multilink_pp_opt = -1;
    105. 

  105. static gint ett_lcp_bacp_link_discrim_opt = -1;
    106. 

  106. static gint ett_lcp_auth_opt = -1;
    107. 

  107. static gint ett_lcp_cobs_opt = -1;
    108. 

  108. static gint ett_lcp_prefix_elision_opt = -1;
    109. 

  109. static gint ett_multilink_hdr_fmt_opt = -1;
    110. 

  110. static gint ett_lcp_internationalization_opt = -1;
    111. 

  111. static gint ett_lcp_simple_opt = -1;
    112. 

  112. 

  113. static int proto_ipcp = -1;
    114. 

  114. 

  115. static gint ett_ipcp = -1;
    116. 

  116. static gint ett_ipcp_options = -1;
    117. 

  117. static gint ett_ipcp_ipaddrs_opt = -1;
    118. 

  118. static gint ett_ipcp_compress_opt = -1;
    119. 

  119. static gint ett_ipcp_ipaddr_opt = -1;
    120. 

  120. static gint ett_ipcp_mobileipv4_opt = -1;
    121. 

  121. static gint ett_ipcp_pridns_opt = -1;
    122. 

  122. static gint ett_ipcp_secdns_opt = -1;
    123. 

  123. static gint ett_ipcp_prinbns_opt = -1;
    124. 

  124. static gint ett_ipcp_secnbns_opt = -1;
    125. 

  125. 

  126. static gint ett_ipcp_iphc_rtp_compress_opt = -1;
    127. 

  127. static gint ett_ipcp_iphc_enhanced_rtp_compress_opt = -1;
    128. 

  128. static gint ett_ipcp_iphc_neghdrcomp_opt = -1;
    129. 

  129. static gint ett_ipcp_rohc_profiles_opt = -1;
    130. 

  130. 

  131. static int proto_vsncp = -1;
    132. 

  132. 

  133. static gint ett_vsncp = -1;
    134. 

  134. static gint ett_vsncp_options = -1;
    135. 

  135. 

  136. static int proto_vsnp = -1;
    137. 

  137. static gint hf_vsnp_pdnid = -1;
    138. 

  138. 

  139. static gint ett_vsnp =-1;
    140. 

  140. 

  141. static int proto_osinlcp = -1;
    142. 

  142. 

  143. static gint ett_osinlcp = -1;
    144. 

  144. static gint ett_osinlcp_options = -1;
    145. 

  145. static gint ett_osinlcp_align_npdu_opt = -1;
    146. 

  146. 

  147. static int proto_bcp = -1;
    148. 

  148. static int hf_bcp_flags = -1;
    149. 

  149. static int hf_bcp_fcs_present = -1;
    150. 

  150. static int hf_bcp_zeropad = -1;
    151. 

  151. static int hf_bcp_bcontrol = -1;
    152. 

  152. static int hf_bcp_pads = -1;
    153. 

  153. static int hf_bcp_mac_type = -1;
    154. 

  154. 

  155. static gint ett_bcp = -1;
    156. 

  156. static gint ett_bcp_flags = -1;
    157. 

  157. 

  158. static int proto_ccp = -1;
    159. 

  159. 

  160. static gint ett_ccp = -1;
    161. 

  161. static gint ett_ccp_options = -1;
    162. 

  162. static gint ett_ccp_oui_opt = -1;
    163. 

  163. static gint ett_ccp_predict1_opt = -1;
    164. 

  164. static gint ett_ccp_predict2_opt = -1;
    165. 

  165. static gint ett_ccp_puddle_opt = -1;
    166. 

  166. static gint ett_ccp_hpppc_opt = -1;
    167. 

  167. static gint ett_ccp_stac_opt = -1;
    168. 

  168. static gint ett_ccp_stac_opt_check_mode = -1;
    169. 

  169. static gint ett_ccp_mppe_opt = -1;
    170. 

  170. static gint ett_ccp_mppe_opt_supp_bits = -1;
    171. 

  171. static gint ett_ccp_gfza_opt = -1;
    172. 

  172. static gint ett_ccp_v42bis_opt = -1;
    173. 

  173. static gint ett_ccp_bsdcomp_opt = -1;
    174. 

  174. static gint ett_ccp_lzsdcp_opt = -1;
    175. 

  175. static gint ett_ccp_mvrca_opt = -1;
    176. 

  176. static gint ett_ccp_dce_opt = -1;
    177. 

  177. static gint ett_ccp_deflate_opt = -1;
    178. 

  178. static gint ett_ccp_v44lzjh_opt = -1;
    179. 

  179. 

  180. static int proto_cbcp = -1;
    181. 

  181. 

  182. static gint ett_cbcp = -1;
    183. 

  183. static gint ett_cbcp_options = -1;
    184. 

  184. static gint ett_cbcp_callback_opt = -1;
    185. 

  185. static gint ett_cbcp_callback_opt_addr = -1;
    186. 

  186. 

  187. static int proto_bacp = -1;
    188. 

  188. 

  189. static gint ett_bacp = -1;
    190. 

  190. static gint ett_bacp_options = -1;
    191. 

  191. static gint ett_bacp_favored_peer_opt = -1;
    192. 

  192. 

  193. static int proto_bap = -1;
    194. 

  194. 

  195. static gint ett_bap = -1;
    196. 

  196. static gint ett_bap_options = -1;
    197. 

  197. static gint ett_bap_link_type_opt = -1;
    198. 

  198. static gint ett_bap_phone_delta_opt = -1;
    199. 

  199. static gint ett_bap_phone_delta_subopt = -1;
    200. 

  200. static gint ett_bap_call_status_opt = -1;
    201. 

  201. 

  202. static int proto_comp_data = -1;
    203. 

  203. 

  204. #if 0  /* see dissect_comp_data() */
    205. 

  205. static gint ett_comp_data = -1;
    206. 

  206. #endif
    207. 

  207. static int proto_pppmuxcp = -1;
    208. 

  208. 

  209. static int hf_pppmux_flags_pid = -1;
    210. 

  210. static int hf_pppmux_flags_field_length = -1;
    211. 

  211. 

  212. static gint ett_pppmuxcp = -1;
    213. 

  213. static gint ett_pppmuxcp_options = -1;
    214. 

  214. 

  215. static int proto_pppmux = -1;
    216. 

  216. static int hf_pppmux_protocol = -1;
    217. 

  217. 

  218. static gint ett_pppmux = -1;
    219. 

  219. static gint ett_pppmux_subframe = -1;
    220. 

  220. static gint ett_pppmux_subframe_hdr = -1;
    221. 

  221. static gint ett_pppmux_subframe_flags = -1;
    222. 

  222. static gint ett_pppmux_subframe_info = -1;
    223. 

  223. 

  224. static int proto_mp = -1;
    225. 

  225. static int hf_mp_frag_first = -1;
    226. 

  226. static int hf_mp_frag_last = -1;
    227. 

  227. static int hf_mp_short_sequence_num_reserved = -1;
    228. 

  228. static int hf_mp_sequence_num = -1;
    229. 

  229. static int hf_mp_sequence_num_reserved = -1;
    230. 

  230. static int hf_mp_short_sequence_num = -1;
    231. 

  231. 

  232. static int ett_mp = -1;
    233. 

  233. static int ett_mp_flags = -1;
    234. 

  234. 

  235. static int proto_mplscp = -1;
    236. 

  236. static gint ett_mplscp = -1;
    237. 

  237. static gint ett_mplscp_options  = -1;
    238. 

  238. 

  239. static int proto_cdpcp = -1;
    240. 

  240. static gint ett_cdpcp = -1;
    241. 

  241. static gint ett_cdpcp_options   = -1;
    242. 

  242. 

  243. static int proto_pap = -1;           /* PAP vars */
    244. 

  244. static gint ett_pap = -1;
    245. 

  245. static gint ett_pap_data = -1;
    246. 

  246. 

  247. static gint hf_pap_code = -1;
    248. 

  248. static gint hf_pap_identifier = -1;
    249. 

  249. static gint hf_pap_length = -1;
    250. 

  250. static gint hf_pap_data = -1;
    251. 

  251. static gint hf_pap_peer_id = -1;
    252. 

  252. static gint hf_pap_peer_id_length = -1;
    253. 

  253. static gint hf_pap_password = -1;
    254. 

  254. static gint hf_pap_password_length = -1;
    255. 

  255. static gint hf_pap_message = -1;
    256. 

  256. static gint hf_pap_message_length = -1;
    257. 

  257. static gint hf_pap_stuff = -1;
    258. 

  258. 

  259. static int proto_chap = -1;           /* CHAP vars */
    260. 

  260. static gint ett_chap = -1;
    261. 

  261. static gint ett_chap_data = -1;
    262. 

  262. 

  263. 

  264. static gint hf_chap_code = -1;
    265. 

  265. static gint hf_chap_identifier = -1;
    266. 

  266. static gint hf_chap_length = -1;
    267. 

  267. static gint hf_chap_data = -1;
    268. 

  268. static gint hf_chap_value_size = -1;
    269. 

  269. static gint hf_chap_value = -1;
    270. 

  270. static gint hf_chap_name = -1;
    271. 

  271. static gint hf_chap_message = -1;
    272. 

  272. 

  273. 

  274. static int proto_ipv6cp = -1;  /* IPv6CP vars */
    275. 

  275. 

  276. static gint ett_ipv6cp = -1;
    277. 

  277. static gint ett_ipv6cp_options = -1;
    278. 

  278. static gint ett_ipv6cp_if_id_opt = -1;
    279. 

  279. static gint ett_ipv6cp_compress_opt = -1;
    280. 

  280. 

  281. static int proto_iphc_crtp = -1;            /* CRTP vars */
    282. 

  282. static int hf_iphc_crtp_cid8 = -1;
    283. 

  283. static int hf_iphc_crtp_cid16 = -1;
    284. 

  284. static int hf_iphc_crtp_gen = -1;
    285. 

  285. static int hf_iphc_crtp_seq = -1;
    286. 

  286. static int hf_iphc_crtp_fh_flags = -1;
    287. 

  287. static int hf_iphc_crtp_cs_flags = -1;
    288. 

  288. static int hf_iphc_crtp_cs_cnt = -1;
    289. 

  289. static int hf_iphc_crtp_cs_invalid = -1;
    290. 

  290. 

  291. static gint ett_iphc_crtp = -1;
    292. 

  292. static gint ett_iphc_crtp_hdr = -1;
    293. 

  293. static gint ett_iphc_crtp_info = -1;
    294. 

  294. 

  295. static dissector_table_t ppp_subdissector_table;
    296. 

  296. static dissector_handle_t chdlc_handle;
    297. 

  297. static dissector_handle_t data_handle;
    298. 

  298. static dissector_handle_t eth_withfcs_handle;
    299. 

  299. static dissector_handle_t eth_withoutfcs_handle;
    300. 

  300. 

  301. static const value_string ppp_direction_vals[] = {
    302. 

  302.     {P2P_DIR_RECV, "DCE->DTE"},
    303. 

  303.     {P2P_DIR_SENT, "DTE->DCE"},
    304. 

  304.     {0,            NULL}
    305. 

  305. };
    306. 

  306. 

  307. /* options */
    308. 

  308. static gint ppp_fcs_decode = 0; /* 0 = No FCS, 1 = 16 bit FCS, 2 = 32 bit FCS */
    309. 

  309. #define NO_FCS 0
    310. 

  310. #define FCS_16 1
    311. 

  311. #define FCS_32 2
    312. 

  312. 

  313. const enum_val_t fcs_options[] = {
    314. 

  314.     {"none",   "None",   NO_FCS},
    315. 

  315.     {"16-bit", "16-Bit", FCS_16},
    316. 

  316.     {"32-bit", "32-Bit", FCS_32},
    317. 

  317.     {NULL,     NULL,     -1}
    318. 

  318. };
    319. 

  319. 

  320. gboolean ppp_vj_decomp = TRUE; /* Default to VJ header decompression */
    321. 

  321. 

  322. /*
    323. 

  323.  * For Default Protocol ID negotiated with PPPMuxCP. We need to
    324. 

  324.  * this ID so that if the first subframe doesn't have protocol
    325. 

  325.  * ID, we can use it
    326. 

  326.  */
    327. 

  327. 

  328. static guint pppmux_def_prot_id = 0;
    329. 

  329. 

  330. /* PPP definitions */
    331. 

  331. 

  332. /*
    333. 

  333.  * Used by the GTP dissector as well.
    334. 

  334.  * www.iana.org/assignments/ppp-numbers
    335. 

  335.  */
    336. 

  336. static const value_string ppp_vals[] = {
    337. 

  337.     {PPP_PADDING,     "Padding Protocol"},
    338. 

  338.     {PPP_ROHC_SCID,   "ROHC small-CID"},
    339. 

  339.     {PPP_ROHC_LCID,   "ROHC large-CID"},
    340. 

  340.     {PPP_IP,          "Internet Protocol version 4"},
    341. 

  341.     {PPP_OSI,         "OSI Network Layer"},
    342. 

  342.     {PPP_XNSIDP,      "Xerox NS IDP"},
    343. 

  343.     {PPP_DEC4,        "DECnet Phase IV"},
    344. 

  344.     {PPP_AT,          "Appletalk"},
    345. 

  345.     {PPP_IPX,         "Novell IPX"},
    346. 

  346.     {PPP_VJC_COMP,    "Van Jacobson Compressed TCP/IP"},
    347. 

  347.     {PPP_VJC_UNCOMP,  "Van Jacobson Uncompressed TCP/IP"},
    348. 

  348.     {PPP_BCP,         "Bridging PDU"},
    349. 

  349.     {PPP_ST,          "Stream Protocol (ST-II)"},
    350. 

  350.     {PPP_VINES,       "Banyan Vines"},
    351. 

  351.     {PPP_AT_EDDP,     "AppleTalk EDDP"},
    352. 

  352.     {PPP_AT_SB,       "AppleTalk SmartBuffered"},
    353. 

  353.     {PPP_MP,          "Multi-Link"},
    354. 

  354.     {PPP_NB,          "NETBIOS Framing"},
    355. 

  355.     {PPP_CISCO,       "Cisco Systems"},
    356. 

  356.     {PPP_ASCOM,       "Ascom Timeplex"},
    357. 

  357.     {PPP_LBLB,        "Fujitsu Link Backup and Load Balancing (LBLB)"},
    358. 

  358.     {PPP_RL,          "DCA Remote Lan"},
    359. 

  359.     {PPP_SDTP,        "Serial Data Transport Protocol (PPP-SDTP)"},
    360. 

  360.     {PPP_LLC,         "SNA over 802.2"},
    361. 

  361.     {PPP_SNA,         "SNA"},
    362. 

  362.     {PPP_IPV6HC,      "IPv6 Header Compression "},
    363. 

  363.     {PPP_KNX,         "KNX Bridging Data"},
    364. 

  364.     {PPP_ENCRYPT,     "Encryption"},
    365. 

  365.     {PPP_ILE,         "Individual Link Encryption"},
    366. 

  366.     {PPP_IPV6,        "Internet Protocol version 6"},
    367. 

  367.     {PPP_MUX,         "PPP Muxing"},
    368. 

  368.     {PPP_VSNP,        "Vendor-Specific Network Protocol (VSNP)"},
    369. 

  369.     {PPP_TNP,         "TRILL Network Protocol (TNP)"},
    370. 

  370.     {PPP_RTP_FH,      "RTP IPHC Full Header"},
    371. 

  371.     {PPP_RTP_CTCP,    "RTP IPHC Compressed TCP"},
    372. 

  372.     {PPP_RTP_CNTCP,   "RTP IPHC Compressed Non TCP"},
    373. 

  373.     {PPP_RTP_CUDP8,   "RTP IPHC Compressed UDP 8"},
    374. 

  374.     {PPP_RTP_CRTP8,   "RTP IPHC Compressed RTP 8"},
    375. 

  375.     {PPP_STAMPEDE,    "Stampede Bridging"},
    376. 

  376.     {PPP_MPPLUS,      "MP+ Protocol"},
    377. 

  377.     {PPP_NTCITS_IPI,  "NTCITS IPI"},
    378. 

  378.     {PPP_ML_SLCOMP,   "Single link compression in multilink"},
    379. 

  379.     {PPP_COMP,        "Compressed datagram"},
    380. 

  380.     {PPP_STP_HELLO,   "802.1d Hello Packets"},
    381. 

  381.     {PPP_IBM_SR,      "IBM Source Routing BPDU"},
    382. 

  382.     {PPP_DEC_LB,      "DEC LANBridge100 Spanning Tree"},
    383. 

  383.     {PPP_CDP,         "Cisco Discovery Protocol"},
    384. 

  384.     {PPP_NETCS,       "Netcs Twin Routing"},
    385. 

  385.     {PPP_STP,         "STP - Scheduled Transfer Protocol"},
    386. 

  386.     {PPP_EDP,         "EDP - Extreme Discovery Protocol"},
    387. 

  387.     {PPP_OSCP,        "Optical Supervisory Channel Protocol (OSCP)"},
    388. 

  388.     {PPP_OSCP2,       "Optical Supervisory Channel Protocol (OSCP)"},
    389. 

  389.     {PPP_LUXCOM,      "Luxcom"},
    390. 

  390.     {PPP_SIGMA,       "Sigma Network Systems"},
    391. 

  391.     {PPP_ACSP,        "Apple Client Server Protocol"},
    392. 

  392.     {PPP_MPLS_UNI,    "MPLS Unicast"},
    393. 

  393.     {PPP_MPLS_MULTI,  "MPLS Multicast"},
    394. 

  394.     {PPP_P12844,      "IEEE p1284.4 standard - data packets"},
    395. 

  395.     {PPP_TETRA,       "ETSI TETRA Network Protocol Type 1"},
    396. 

  396.     {PPP_MFTP,        "Multichannel Flow Treatment Protocol"},
    397. 

  397.     {PPP_RTP_CTCPND,  "RTP IPHC Compressed TCP No Delta"},
    398. 

  398.     {PPP_RTP_CS,      "RTP IPHC Context State"},
    399. 

  399.     {PPP_RTP_CUDP16,  "RTP IPHC Compressed UDP 16"},
    400. 

  400.     {PPP_RTP_CRDP16,  "RTP IPHC Compressed RTP 16"},
    401. 

  401.     {PPP_CCCP,        "Cray Communications Control Protocol"},
    402. 

  402.     {PPP_CDPD_MNRP,   "CDPD Mobile Network Registration Protocol"},
    403. 

  403.     {PPP_EXPANDAP,    "Expand accelerator protocol"},
    404. 

  404.     {PPP_ODSICP,      "ODSICP NCP"},
    405. 

  405.     {PPP_DOCSIS,      "DOCSIS DLL"},
    406. 

  406.     {PPP_CETACEANNDP, "Cetacean Network Detection Protocol"},
    407. 

  407.     {PPP_LZS,         "Stacker LZS"},
    408. 

  408.     {PPP_REFTEK,      "RefTek Protocol"},
    409. 

  409.     {PPP_FC,          "Fibre Channel"},
    410. 

  410.     {PPP_EMIT,        "EMIT Protocols"},
    411. 

  411.     {PPP_VSP,         "Vendor-Specific Protocol (VSP)"},
    412. 

  412.     {PPP_TLSP,        "TRILL Link State Protocol (TLSP)"},
    413. 

  413.     {PPP_IPCP,        "Internet Protocol Control Protocol"},
    414. 

  414.     {PPP_OSINLCP,     "OSI Network Layer Control Protocol"},
    415. 

  415.     {PPP_XNSIDPCP,    "Xerox NS IDP Control Protocol"},
    416. 

  416.     {PPP_DECNETCP,    "DECnet Phase IV Control Protocol"},
    417. 

  417.     {PPP_ATCP,        "AppleTalk Control Protocol"},
    418. 

  418.     {PPP_IPXCP,       "Novell IPX Control Protocol"},
    419. 

  419.     {PPP_BRIDGENCP,   "Bridging NCP"},
    420. 

  420.     {PPP_SPCP,        "Stream Protocol Control Protocol"},
    421. 

  421.     {PPP_BVCP,        "Banyan Vines Control Protocol"},
    422. 

  422.     {PPP_MLCP,        "Multi-Link Control Protocol"},
    423. 

  423.     {PPP_NBCP,        "NETBIOS Framing Control Protocol"},
    424. 

  424.     {PPP_CISCOCP,     "Cisco Systems Control Protocol"},
    425. 

  425.     {PPP_ASCOMCP,     "Ascom Timeplex"},
    426. 

  426.     {PPP_LBLBCP,      "Fujitsu LBLB Control Protocol"},
    427. 

  427.     {PPP_RLNCP,       "DCA Remote Lan Network Control Protocol (RLNCP)"},
    428. 

  428.     {PPP_SDCP,        "Serial Data Control Protocol (PPP-SDCP)"},
    429. 

  429.     {PPP_LLCCP,       "SNA over 802.2 Control Protocol"},
    430. 

  430.     {PPP_SNACP,       "SNA Control Protocol"},
    431. 

  431.     {PPP_IP6HCCP,     "IP6 Header Compression Control Protocol"},
    432. 

  432.     {PPP_KNXCP,       "KNX Bridging Control Protocol"},
    433. 

  433.     {PPP_ECP,         "Encryption Control Protocol"},
    434. 

  434.     {PPP_ILECP,       "Individual Link Encryption Control Protocol"},
    435. 

  435.     {PPP_IPV6CP,      "IPv6 Control Protocol"},
    436. 

  436.     {PPP_MUXCP,       "PPP Muxing Control Protocol"},
    437. 

  437.     {PPP_VSNCP,       "Vendor-Specific Network Control Protocol (VSNCP)"},
    438. 

  438.     {PPP_TNCP,        "TRILL Network Control Protocol"},
    439. 

  439.     {PPP_STAMPEDECP,  "Stampede Bridging Control Protocol"},
    440. 

  440.     {PPP_MPPCP,       "MP+ Control Protocol"},
    441. 

  441.     {PPP_IPICP,       "NTCITS IPI Control Protocol"},
    442. 

  442.     {PPP_SLCC,        "Single link compression in multilink control"},
    443. 

  443.     {PPP_CCP,         "Compression Control Protocol"},
    444. 

  444.     {PPP_CDPCP,       "Cisco Discovery Protocol Control Protocol"},
    445. 

  445.     {PPP_NETCSCP,     "Netcs Twin Routing"},
    446. 

  446.     {PPP_STPCP,       "STP - Control Protocol"},
    447. 

  447.     {PPP_EDPCP,       "EDPCP - Extreme Discovery Protocol Control Protocol"},
    448. 

  448.     {PPP_ACSPC,       "Apple Client Server Protocol Control"},
    449. 

  449.     {PPP_MPLSCP,      "MPLS Control Protocol"},
    450. 

  450.     {PPP_P12844CP,    "IEEE p1284.4 standard - Protocol Control"},
    451. 

  451.     {PPP_TETRACP,     "ETSI TETRA TNP1 Control Protocol"},
    452. 

  452.     {PPP_MFTPCP,      "Multichannel Flow Treatment Protocol"},
    453. 

  453.     {PPP_LCP,         "Link Control Protocol"},
    454. 

  454.     {PPP_PAP,         "Password Authentication Protocol"},
    455. 

  455.     {PPP_LQR,         "Link Quality Report"},
    456. 

  456.     {PPP_SPAP,        "Shiva Password Authentication Protocol"},
    457. 

  457.     {PPP_CBCP,        "Callback Control Protocol (CBCP)"},
    458. 

  458.     {PPP_BACP,        "BACP Bandwidth Allocation Control Protocol"},
    459. 

  459.     {PPP_BAP,         "BAP Bandwidth Allocation Protocol"},
    460. 

  460.     {PPP_VSAP,        "Vendor-Specific Authentication Protocol (VSAP)"},
    461. 

  461.     {PPP_CONTCP,      "Container Control Protocol"},
    462. 

  462.     {PPP_CHAP,        "Challenge Handshake Authentication Protocol"},
    463. 

  463.     {PPP_RSAAP,       "RSA Authentication Protocol"},
    464. 

  464.     {PPP_EAP,         "Extensible Authentication Protocol"},
    465. 

  465.     {PPP_SIEP,        "Mitsubishi Security Information Exchange Protocol (SIEP)"},
    466. 

  466.     {PPP_SBAP,        "Stampede Bridging Authorization Protocol"},
    467. 

  467.     {PPP_PRPAP,       "Proprietary Authentication Protocol"},
    468. 

  468.     {PPP_PRPAP2,      "Proprietary Authentication Protocol"},
    469. 

  469.     {PPP_PRPNIAP,     "Proprietary Node ID Authentication Protocol"},
    470. 

  470.     {0,               NULL}
    471. 

  471. };
    472. 

  472. value_string_ext ppp_vals_ext = VALUE_STRING_EXT_INIT(ppp_vals);
    473. 

  473. 

  474. /* CP (LCP, CCP, IPCP, etc.) codes.
    475. 

  475.  * from pppd fsm.h
    476. 

  476.  */
    477. 

  477. #define VNDRSPCFC  0  /* Vendor Specific: RFC 2153 */
    478. 

  478. #define CONFREQ    1  /* Configuration Request */
    479. 

  479. #define CONFACK    2  /* Configuration Ack */
    480. 

  480. #define CONFNAK    3  /* Configuration Nak */
    481. 

  481. #define CONFREJ    4  /* Configuration Reject */
    482. 

  482. #define TERMREQ    5  /* Termination Request */
    483. 

  483. #define TERMACK    6  /* Termination Ack */
    484. 

  484. #define CODEREJ    7  /* Code Reject */
    485. 

  485. 

  486. static const value_string cp_vals[] = {
    487. 

  487.     {VNDRSPCFC, "Vendor Specific"},
    488. 

  488.     {CONFREQ,   "Configuration Request"},
    489. 

  489.     {CONFACK,   "Configuration Ack"},
    490. 

  490.     {CONFNAK,   "Configuration Nak"},
    491. 

  491.     {CONFREJ,   "Configuration Reject"},
    492. 

  492.     {TERMREQ,   "Termination Request"},
    493. 

  493.     {TERMACK,   "Termination Ack"},
    494. 

  494.     {CODEREJ,   "Code Reject"},
    495. 

  495.     {0,         NULL}
    496. 

  496. };
    497. 

  497. 

  498. /*
    499. 

  499.  * LCP-specific packet types.
    500. 

  500.  */
    501. 

  501. #define PROTREJ    8  /* Protocol Reject */
    502. 

  502. #define ECHOREQ    9  /* Echo Request */
    503. 

  503. #define ECHOREP    10 /* Echo Reply */
    504. 

  504. #define DISCREQ    11 /* Discard Request */
    505. 

  505. #define IDENT      12 /* Identification */
    506. 

  506. #define TIMEREMAIN 13 /* Time remaining */
    507. 

  507. 

  508. /*
    509. 

  509.  * CCP-specific packet types.
    510. 

  510.  */
    511. 

  511. #define RESETREQ   14  /* Reset Request */
    512. 

  512. #define RESETACK   15  /* Reset Ack */
    513. 

  513. 

  514. /*
    515. 

  515.  * CBCP-specific packet types.
    516. 

  516.  */
    517. 

  517. #define CBREQ      1  /* Callback Request */
    518. 

  518. #define CBRES      2  /* Callback Response */
    519. 

  519. #define CBACK      3  /* Callback Ack */
    520. 

  520. 

  521. #define CBCP_OPT  6 /* Use callback control protocol */
    522. 

  522. 

  523. /*
    524. 

  524.  * BAP-specific packet types.
    525. 

  525.  */
    526. 

  526. #define BAP_CREQ   1  /* Call Request */
    527. 

  527. #define BAP_CRES   2  /* Call Response */
    528. 

  528. #define BAP_CBREQ  3  /* Callback Request */
    529. 

  529. #define BAP_CBRES  4  /* Callback Response */
    530. 

  530. #define BAP_LDQREQ 5  /* Link Drop Query Request */
    531. 

  531. #define BAP_LDQRES 6  /* Link Drop Query Response */
    532. 

  532. #define BAP_CSI    7  /* Call Status Indication */
    533. 

  533. #define BAP_CSRES  8  /* Call Status Response */
    534. 

  534. 

  535. static const value_string lcp_vals[] = {
    536. 

  536.     {VNDRSPCFC,  "Vendor Specific"},
    537. 

  537.     {CONFREQ,    "Configuration Request"},
    538. 

  538.     {CONFACK,    "Configuration Ack"},
    539. 

  539.     {CONFNAK,    "Configuration Nak"},
    540. 

  540.     {CONFREJ,    "Configuration Reject"},
    541. 

  541.     {TERMREQ,    "Termination Request"},
    542. 

  542.     {TERMACK,    "Termination Ack"},
    543. 

  543.     {CODEREJ,    "Code Reject"},
    544. 

  544.     {PROTREJ,    "Protocol Reject"},
    545. 

  545.     {ECHOREQ,    "Echo Request"},
    546. 

  546.     {ECHOREP,    "Echo Reply"},
    547. 

  547.     {DISCREQ,    "Discard Request"},
    548. 

  548.     {IDENT,      "Identification"},
    549. 

  549.     {TIMEREMAIN, "Time Remaining"},
    550. 

  550.     {0,          NULL}
    551. 

  551. };
    552. 

  552. 

  553. static const value_string ccp_vals[] = {
    554. 

  554.     {VNDRSPCFC, "Vendor Specific"},
    555. 

  555.     {CONFREQ,   "Configuration Request"},
    556. 

  556.     {CONFACK,   "Configuration Ack"},
    557. 

  557.     {CONFNAK,   "Configuration Nak"},
    558. 

  558.     {CONFREJ,   "Configuration Reject"},
    559. 

  559.     {TERMREQ,   "Termination Request"},
    560. 

  560.     {TERMACK,   "Termination Ack"},
    561. 

  561.     {CODEREJ,   "Code Reject"},
    562. 

  562.     {RESETREQ,  "Reset Request"},
    563. 

  563.     {RESETACK,  "Reset Ack"},
    564. 

  564.     {0,         NULL}
    565. 

  565. };
    566. 

  566. 

  567. static const value_string cbcp_vals[] = {
    568. 

  568.     {CBREQ, "Callback Request"},
    569. 

  569.     {CBRES, "Callback Response"},
    570. 

  570.     {CBACK, "Callback Ack"},
    571. 

  571.     {0,     NULL}
    572. 

  572. };
    573. 

  573. 

  574. static const value_string bap_vals[] = {
    575. 

  575.     {BAP_CREQ,   "Call Request"},
    576. 

  576.     {BAP_CRES,   "Call Response"},
    577. 

  577.     {BAP_CBREQ,  "Callback Request"},
    578. 

  578.     {BAP_CBRES,  "Callback Response"},
    579. 

  579.     {BAP_LDQREQ, "Link Drop Query Request"},
    580. 

  580.     {BAP_LDQRES, "Link Drop Query Response"},
    581. 

  581.     {BAP_CSI,    "Call Status Indication"},
    582. 

  582.     {BAP_CSRES,  "Call Status Response"},
    583. 

  583.     {0,          NULL}
    584. 

  584. };
    585. 

  585. 

  586. #define BAP_RESP_CODE_REQACK     0x00
    587. 

  587. #define BAP_RESP_CODE_REQNAK     0x01
    588. 

  588. #define BAP_RESP_CODE_REQREJ     0x02
    589. 

  589. #define BAP_RESP_CODE_REQFULLNAK 0x03
    590. 

  590. static const value_string bap_resp_code_vals[] = {
    591. 

  591.     {BAP_RESP_CODE_REQACK,     "Request Ack"},
    592. 

  592.     {BAP_RESP_CODE_REQNAK,     "Request Nak"},
    593. 

  593.     {BAP_RESP_CODE_REQREJ,     "Request Rej"},
    594. 

  594.     {BAP_RESP_CODE_REQFULLNAK, "Request Full Nak"},
    595. 

  595.     {0,                        NULL}
    596. 

  596. };
    597. 

  597. 

  598. #define BAP_LINK_TYPE_ISDN      0       /* ISDN */
    599. 

  599. #define BAP_LINK_TYPE_X25       1       /* X.25 */
    600. 

  600. #define BAP_LINK_TYPE_ANALOG    2       /* Analog */
    601. 

  601. #define BAP_LINK_TYPE_SD        3       /* Switched Digital (non-ISDN) */
    602. 

  602. #define BAP_LINK_TYPE_ISDNOV    4       /* ISDN data over voice */
    603. 

  603. #define BAP_LINK_TYPE_RESV5     5       /* Reserved */
    604. 

  604. #define BAP_LINK_TYPE_RESV6     6       /* Reserved */
    605. 

  605. #define BAP_LINK_TYPE_RESV7     7       /* Reserved */
    606. 

  606. static const value_string bap_link_type_vals[] = {
    607. 

  607.     {BAP_LINK_TYPE_ISDN,   "ISDN"},
    608. 

  608.     {BAP_LINK_TYPE_X25,    "X.25"},
    609. 

  609.     {BAP_LINK_TYPE_ANALOG, "Analog"},
    610. 

  610.     {BAP_LINK_TYPE_SD,     "Switched Digital (non-ISDN)"},
    611. 

  611.     {BAP_LINK_TYPE_ISDNOV, "ISDN data over voice"},
    612. 

  612.     {BAP_LINK_TYPE_RESV5,  "Reserved"},
    613. 

  613.     {BAP_LINK_TYPE_RESV6,  "Reserved"},
    614. 

  614.     {BAP_LINK_TYPE_RESV7,  "Reserved"},
    615. 

  615.     {0,                    NULL}
    616. 

  616. };
    617. 

  617. 

  618. #define BAP_PHONE_DELTA_SUBOPT_UNIQ_DIGIT       1 /* Unique Digit */
    619. 

  619. #define BAP_PHONE_DELTA_SUBOPT_SUBSC_NUM        2 /* Subscriber Number */
    620. 

  620. #define BAP_PHONE_DELTA_SUBOPT_PHONENUM_SUBADDR 3 /* Phone Number Sub Address */
    621. 

  621. static const value_string bap_phone_delta_subopt_vals[] = {
    622. 

  622.     {BAP_PHONE_DELTA_SUBOPT_UNIQ_DIGIT,       "Unique Digit"},
    623. 

  623.     {BAP_PHONE_DELTA_SUBOPT_SUBSC_NUM,        "Subscriber Number"},
    624. 

  624.     {BAP_PHONE_DELTA_SUBOPT_PHONENUM_SUBADDR, "Phone Number Sub Address"},
    625. 

  625.     {0,                                       NULL}
    626. 

  626. };
    627. 

  627. 

  628. /*
    629. 

  629.  * Cause codes for Cause.
    630. 

  630.  *
    631. 

  631.  * The following code table is taken from packet-q931.c but is slightly
    632. 

  632.  * adapted to BAP protocol.
    633. 

  633.  */
    634. 

  634. static const value_string q931_cause_code_vals[] = {
    635. 

  635.     {0x00, "Call successful"},
    636. 

  636.     {0x01, "Unallocated (unassigned) number"},
    637. 

  637.     {0x02, "No route to specified transit network"},
    638. 

  638.     {0x03, "No route to destination"},
    639. 

  639.     {0x04, "Send special information tone"},
    640. 

  640.     {0x05, "Misdialled trunk prefix"},
    641. 

  641.     {0x06, "Channel unacceptable"},
    642. 

  642.     {0x07, "Call awarded and being delivered in an established channel"},
    643. 

  643.     {0x08, "Prefix 0 dialed but not allowed"},
    644. 

  644.     {0x09, "Prefix 1 dialed but not allowed"},
    645. 

  645.     {0x0A, "Prefix 1 dialed but not required"},
    646. 

  646.     {0x0B, "More digits received than allowed, call is proceeding"},
    647. 

  647.     {0x10, "Normal call clearing"},
    648. 

  648.     {0x11, "User busy"},
    649. 

  649.     {0x12, "No user responding"},
    650. 

  650.     {0x13, "No answer from user (user alerted)"},
    651. 

  651.     {0x14, "Subscriber absent"},
    652. 

  652.     {0x15, "Call rejected"},
    653. 

  653.     {0x16, "Number changed"},
    654. 

  654.     {0x17, "Reverse charging rejected"},
    655. 

  655.     {0x18, "Call suspended"},
    656. 

  656.     {0x19, "Call resumed"},
    657. 

  657.     {0x1A, "Non-selected user clearing"},
    658. 

  658.     {0x1B, "Destination out of order"},
    659. 

  659.     {0x1C, "Invalid number format (incomplete number)"},
    660. 

  660.     {0x1D, "Facility rejected"},
    661. 

  661.     {0x1E, "Response to STATUS ENQUIRY"},
    662. 

  662.     {0x1F, "Normal unspecified"},
    663. 

  663.     {0x21, "Circuit out of order"},
    664. 

  664.     {0x22, "No circuit/channel available"},
    665. 

  665.     {0x23, "Destination unattainable"},
    666. 

  666.     {0x25, "Degraded service"},
    667. 

  667.     {0x26, "Network out of order"},
    668. 

  668.     {0x27, "Transit delay range cannot be achieved"},
    669. 

  669.     {0x28, "Throughput range cannot be achieved"},
    670. 

  670.     {0x29, "Temporary failure"},
    671. 

  671.     {0x2A, "Switching equipment congestion"},
    672. 

  672.     {0x2B, "Access information discarded"},
    673. 

  673.     {0x2C, "Requested circuit/channel not available"},
    674. 

  674.     {0x2D, "Pre-empted"},
    675. 

  675.     {0x2E, "Precedence call blocked"},
    676. 

  676.     {0x2F, "Resources unavailable, unspecified"},
    677. 

  677.     {0x31, "Quality of service unavailable"},
    678. 

  678.     {0x32, "Requested facility not subscribed"},
    679. 

  679.     {0x33, "Reverse charging not allowed"},
    680. 

  680.     {0x34, "Outgoing calls barred"},
    681. 

  681.     {0x35, "Outgoing calls barred within CUG"},
    682. 

  682.     {0x36, "Incoming calls barred"},
    683. 

  683.     {0x37, "Incoming calls barred within CUG"},
    684. 

  684.     {0x38, "Call waiting not subscribed"},
    685. 

  685.     {0x39, "Bearer capability not authorized"},
    686. 

  686.     {0x3A, "Bearer capability not presently available"},
    687. 

  687.     {0x3E, "Inconsistency in designated outgoing access information and subscriber class"},
    688. 

  688.     {0x3F, "Service or option not available, unspecified"},
    689. 

  689.     {0x41, "Bearer capability not implemented"},
    690. 

  690.     {0x42, "Channel type not implemented"},
    691. 

  691.     {0x43, "Transit network selection not implemented"},
    692. 

  692.     {0x44, "Message not implemented"},
    693. 

  693.     {0x45, "Requested facility not implemented"},
    694. 

  694.     {0x46, "Only restricted digital information bearer capability is available"},
    695. 

  695.     {0x4F, "Service or option not implemented, unspecified"},
    696. 

  696.     {0x51, "Invalid call reference value"},
    697. 

  697.     {0x52, "Identified channel does not exist"},
    698. 

  698.     {0x53, "Call identity does not exist for suspended call"},
    699. 

  699.     {0x54, "Call identity in use"},
    700. 

  700.     {0x55, "No call suspended"},
    701. 

  701.     {0x56, "Call having the requested call identity has been cleared"},
    702. 

  702.     {0x57, "Called user not member of CUG"},
    703. 

  703.     {0x58, "Incompatible destination"},
    704. 

  704.     {0x59, "Non-existent abbreviated address entry"},
    705. 

  705.     {0x5A, "Destination address missing, and direct call not subscribed"},
    706. 

  706.     {0x5B, "Invalid transit network selection (national use)"},
    707. 

  707.     {0x5C, "Invalid facility parameter"},
    708. 

  708.     {0x5D, "Mandatory information element is missing"},
    709. 

  709.     {0x5F, "Invalid message, unspecified"},
    710. 

  710.     {0x60, "Mandatory information element is missing"},
    711. 

  711.     {0x61, "Message type non-existent or not implemented"},
    712. 

  712.     {0x62, "Message not compatible with call state or message type non-existent or not implemented"},
    713. 

  713.     {0x63, "Information element non-existent or not implemented"},
    714. 

  714.     {0x64, "Invalid information element contents"},
    715. 

  715.     {0x65, "Message not compatible with call state"},
    716. 

  716.     {0x66, "Recovery on timer expiry"},
    717. 

  717.     {0x67, "Parameter non-existent or not implemented - passed on"},
    718. 

  718.     {0x6E, "Message with unrecognized parameter discarded"},
    719. 

  719.     {0x6F, "Protocol error, unspecified"},
    720. 

  720.     {0x7F, "Internetworking, unspecified"},
    721. 

  721.     {0xFF, "Non-specific failure"},
    722. 

  722.     {0,    NULL}
    723. 

  723. };
    724. 

  724. static value_string_ext q931_cause_code_vals_ext = VALUE_STRING_EXT_INIT(q931_cause_code_vals);
    725. 

  725. 

  726. static const value_string bap_call_status_opt_action_vals[] = {
    727. 

  727.     {0, "No retry"},
    728. 

  728.     {1, "Retry"},
    729. 

  729.     {0, NULL}
    730. 

  730. };
    731. 

  731. 

  732. #define STAC_CM_NONE            0
    733. 

  733. #define STAC_CM_LCB             1
    734. 

  734. #define STAC_CM_CRC             2
    735. 

  735. #define STAC_CM_SN              3
    736. 

  736. #define STAC_CM_EXTMODE         4
    737. 

  737. static const value_string stac_checkmode_vals[] = {
    738. 

  738.     {STAC_CM_NONE,    "None"},
    739. 

  739.     {STAC_CM_LCB,     "LCB"},
    740. 

  740.     {STAC_CM_CRC,     "CRC"},
    741. 

  741.     {STAC_CM_SN,      "Sequence Number"},
    742. 

  742.     {STAC_CM_EXTMODE, "Extended Mode"},
    743. 

  743.     {0,               NULL}
    744. 

  744. };
    745. 

  745. 

  746. #define LZSDCP_CM_NONE          0
    747. 

  747. #define LZSDCP_CM_LCB           1
    748. 

  748. #define LZSDCP_CM_SN            2
    749. 

  749. #define LZSDCP_CM_SN_LCB        3
    750. 

  750. static const value_string lzsdcp_checkmode_vals[] = {
    751. 

  751.     {LZSDCP_CM_NONE,   "None"},
    752. 

  752.     {LZSDCP_CM_LCB,    "LCB"},
    753. 

  753.     {LZSDCP_CM_SN,     "Sequence Number"},
    754. 

  754.     {LZSDCP_CM_SN_LCB, "Sequence Number + LCB (default)"},
    755. 

  755.     {0,                NULL}
    756. 

  756. };
    757. 

  757. 

  758. #define LZSDCP_PM_NONE          0
    759. 

  759. #define LZSDCP_PM_PROC_UNCOMP   1
    760. 

  760. static const value_string lzsdcp_processmode_vals[] = {
    761. 

  761.     {LZSDCP_PM_NONE,        "None (default)"},
    762. 

  762.     {LZSDCP_PM_PROC_UNCOMP, "Process-Uncompressed"},
    763. 

  763.     {0,                     NULL}
    764. 

  764. };
    765. 

  765. 

  766. #define DCE_MODE_1  1
    767. 

  767. #define DCE_MODE_2  2
    768. 

  768. static const value_string dce_mode_vals[] = {
    769. 

  769.     {DCE_MODE_1, "No Additional Negotiation"},
    770. 

  770.     {DCE_MODE_2, "Full PPP Negotiation and State Machine"},
    771. 

  771.     {0,          NULL}
    772. 

  772. };
    773. 

  773. 

  774. /*
    775. 

  775.  * Options.  (LCP)
    776. 

  776.  */
    777. 

  777. #define CI_VENDORSPECIFIC       0   /* Vendor Specific [RFC2153] */
    778. 

  778. #define CI_MRU                  1   /* Maximum Receive Unit [RFC1661] */
    779. 

  779. #define CI_ASYNCMAP             2   /* Async Control Character Map */
    780. 

  780. #define CI_AUTHPROT             3   /* Authentication Protocol [RFC1661] */
    781. 

  781. #define CI_QUALITY              4   /* Quality Protocol [RFC1661] */
    782. 

  782. #define CI_MAGICNUMBER          5   /* Magic Number [RFC1661] */
    783. 

  783. #define CI_LINKQUALMON          6   /* DEPRECATED (Quality Protocol) [RFC1172] */
    784. 

  784. #define CI_PCOMPRESSION         7   /* Protocol Field Compression [RFC1661] */
    785. 

  785. #define CI_ACCOMPRESSION        8   /* Address/Control Field Compression
    786. 

  786.                                        [RFC1661] */
    787. 

  787. #define CI_FCS_ALTERNATIVES     9   /* FCS Alternatives [RFC1570] */
    788. 

  788. #define CI_SELF_DESCRIBING_PAD  10  /* Self-Describing Pad [RFC1570] */
    789. 

  789. #define CI_NUMBERED_MODE        11  /* Numbered Mode [RFC1663] */
    790. 

  790. #define CI_MULTILINK_PROC       12  /* DEPRECATED (Multi-Link Procedure) */
    791. 

  791. #define CI_CALLBACK             13  /* Callback [RFC1570] */
    792. 

  792. #define CI_CONNECTTIME          14  /* DEPRECATED (Connect Time) */
    793. 

  793. #define CI_COMPOUND_FRAMES      15  /* DEPRECATED (Compound Frames) [RFC1570] */
    794. 

  794. #define CI_NOMDATAENCAP         16  /* DEPRECATED (Nominal Data Encapsulation) */
    795. 

  795. /* NOTE: IANA lists CI_NOMDATAENCAP as 16, but it is listed as 14 in
    796. 

  796.  *       http://tools.ietf.org/html/draft-ietf-pppext-dataencap-03.
    797. 

  797.  *       Which is correct is anyone's guess. */
    798. 

  798. #define CI_MULTILINK_MRRU       17  /* Multilink MRRU [RFC1990] */
    799. 

  799. #define CI_MULTILINK_SSNH       18  /* Multilink Short Sequence Number Header
    800. 

  800.                                        [RFC1990] */
    801. 

  801. #define CI_MULTILINK_EP_DISC    19  /* Multilink Endpoint Discriminator
    802. 

  802.                                        [RFC1990] */
    803. 

  803. #define CI_PROP_KEN             20  /* Proprietary [Ken Culbert] ken@funk.com */
    804. 

  804. #define CI_DCE_IDENTIFIER       21  /* DCE Identifier [RFC1976]: Warning:
    805. 

  805.                                        Option type 25 in the RFC is incorrect */
    806. 

  806. #define CI_MULTILINK_PLUS_PROC  22  /* Multilink Plus Procedure [RFC1934] */
    807. 

  807. #define CI_LINK_DISC_FOR_BACP   23  /* Link Discriminator for BACP [RFC2125] */
    808. 

  808. #define CI_LCP_AUTHENTICATION   24  /* LCP Authentication Option [Culbert] */
    809. 

  809. #define CI_COBS                 25  /* Consistent Overhead Byte Stuffing (COBS)
    810. 

  810.                                        [Carlson] */
    811. 

  811. #define CI_PREFIX_ELISION       26  /* Prefix elision [RFC2686][RFC2687] */
    812. 

  812. #define CI_MULTILINK_HDR_FMT    27  /* Multilink header format
    813. 

  813.                                        [RFC2686][RFC2687] */
    814. 

  814. #define CI_INTERNATIONALIZATION 28  /* Internationalization [RFC2484] */
    815. 

  815. #define CI_SDL_ON_SONET_SDH     29  /* Simple Data Link on SONET/SDH
    816. 

  816.                                       [RFC2823] */
    817. 

  817. #define CI_UNASSIGNED           30  /* Unassigned ... but so are 31-255, so
    818. 

  818.                                        why do they bother specifically
    819. 

  819.                                        mentioning this one, I wonder? */
    820. 

  820. 

  821. static int hf_lcp_magic_number = -1;
    822. 

  822. static int hf_lcp_data = -1;
    823. 

  823. static int hf_lcp_message = -1;
    824. 

  824. static int hf_lcp_secs_remaining = -1;
    825. 

  825. static int hf_lcp_rej_proto = -1;
    826. 

  826. static int hf_lcp_opt_type = -1;
    827. 

  827. static int hf_lcp_opt_length = -1;
    828. 

  828. static int hf_lcp_opt_oui = -1;
    829. 

  829. static int hf_lcp_opt_kind = -1;
    830. 

  830. static int hf_lcp_opt_data = -1;
    831. 

  831. static int hf_lcp_opt_mru = -1;
    832. 

  832. static int hf_lcp_opt_asyncmap = -1;
    833. 

  833. static int hf_lcp_opt_asyncmap_nul = -1;
    834. 

  834. static int hf_lcp_opt_asyncmap_soh = -1;
    835. 

  835. static int hf_lcp_opt_asyncmap_stx = -1;
    836. 

  836. static int hf_lcp_opt_asyncmap_etx = -1;
    837. 

  837. static int hf_lcp_opt_asyncmap_eot = -1;
    838. 

  838. static int hf_lcp_opt_asyncmap_enq = -1;
    839. 

  839. static int hf_lcp_opt_asyncmap_ack = -1;
    840. 

  840. static int hf_lcp_opt_asyncmap_bel = -1;
    841. 

  841. static int hf_lcp_opt_asyncmap_bs = -1;
    842. 

  842. static int hf_lcp_opt_asyncmap_ht = -1;
    843. 

  843. static int hf_lcp_opt_asyncmap_lf = -1;
    844. 

  844. static int hf_lcp_opt_asyncmap_vt = -1;
    845. 

  845. static int hf_lcp_opt_asyncmap_ff = -1;
    846. 

  846. static int hf_lcp_opt_asyncmap_cr = -1;
    847. 

  847. static int hf_lcp_opt_asyncmap_so = -1;
    848. 

  848. static int hf_lcp_opt_asyncmap_si = -1;
    849. 

  849. static int hf_lcp_opt_asyncmap_dle = -1;
    850. 

  850. static int hf_lcp_opt_asyncmap_dc1 = -1;
    851. 

  851. static int hf_lcp_opt_asyncmap_dc2 = -1;
    852. 

  852. static int hf_lcp_opt_asyncmap_dc3 = -1;
    853. 

  853. static int hf_lcp_opt_asyncmap_dc4 = -1;
    854. 

  854. static int hf_lcp_opt_asyncmap_nak = -1;
    855. 

  855. static int hf_lcp_opt_asyncmap_syn = -1;
    856. 

  856. static int hf_lcp_opt_asyncmap_etb = -1;
    857. 

  857. static int hf_lcp_opt_asyncmap_can = -1;
    858. 

  858. static int hf_lcp_opt_asyncmap_em = -1;
    859. 

  859. static int hf_lcp_opt_asyncmap_sub = -1;
    860. 

  860. static int hf_lcp_opt_asyncmap_esc = -1;
    861. 

  861. static int hf_lcp_opt_asyncmap_fs = -1;
    862. 

  862. static int hf_lcp_opt_asyncmap_gs = -1;
    863. 

  863. static int hf_lcp_opt_asyncmap_rs = -1;
    864. 

  864. static int hf_lcp_opt_asyncmap_us = -1;
    865. 

  865. static int hf_lcp_opt_auth_protocol = -1;
    866. 

  866. static int hf_lcp_opt_algorithm = -1;
    867. 

  867. static int hf_lcp_opt_quality_protocol = -1;
    868. 

  868. static int hf_lcp_opt_magic_number = -1;
    869. 

  869. static int hf_lcp_opt_reportingperiod = -1;
    870. 

  870. static int hf_lcp_opt_fcs_alternatives = -1;
    871. 

  871. static int hf_lcp_opt_fcs_alternatives_null = -1;
    872. 

  872. static int hf_lcp_opt_fcs_alternatives_ccitt16 = -1;
    873. 

  873. static int hf_lcp_opt_fcs_alternatives_ccitt32 = -1;
    874. 

  874. static int hf_lcp_opt_maximum = -1;
    875. 

  875. static int hf_lcp_opt_window = -1;
    876. 

  876. static int hf_lcp_opt_hdlc_address = -1;
    877. 

  877. static int hf_lcp_opt_operation = -1;
    878. 

  878. static int hf_lcp_opt_message = -1;
    879. 

  879. static int hf_lcp_opt_mrru = -1;
    880. 

  880. static int hf_lcp_opt_ep_disc_class = -1;
    881. 

  881. static int hf_lcp_opt_ip_address = -1;
    882. 

  882. static int hf_lcp_opt_802_1_address = -1;
    883. 

  883. static int hf_lcp_opt_magic_block = -1;
    884. 

  884. static int hf_lcp_opt_psndn = -1;
    885. 

  885. static int hf_lcp_opt_mode = -1;
    886. 

  886. static int hf_lcp_opt_unused = -1;
    887. 

  887. static int hf_lcp_opt_link_discrim = -1;
    888. 

  888. static int hf_lcp_opt_id = -1;
    889. 

  889. static int hf_lcp_opt_cobs_flags = -1;
    890. 

  890. static int hf_lcp_opt_cobs_flags_res = -1;
    891. 

  891. static int hf_lcp_opt_cobs_flags_pre = -1;
    892. 

  892. static int hf_lcp_opt_cobs_flags_zxe = -1;
    893. 

  893. static int hf_lcp_opt_class = -1;
    894. 

  894. static int hf_lcp_opt_prefix = -1;
    895. 

  895. static int hf_lcp_opt_code = -1;
    896. 

  896. static int hf_lcp_opt_max_susp_classes = -1;
    897. 

  897. static int hf_lcp_opt_MIBenum = -1;
    898. 

  898. static int hf_lcp_opt_language_tag = -1;
    899. 

  899. 

  900. static void dissect_lcp_vendor_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    901. 

  901.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    902. 

  902. static void dissect_lcp_mru_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    903. 

  903.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    904. 

  904. static void dissect_lcp_async_map_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    905. 

  905.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    906. 

  906. static void dissect_lcp_authprot_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    907. 

  907.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    908. 

  908. static void dissect_lcp_qualprot_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    909. 

  909.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    910. 

  910. static void dissect_lcp_magicnumber_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    911. 

  911.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    912. 

  912. static void dissect_lcp_linkqualmon_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    913. 

  913.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    914. 

  914. static void dissect_lcp_simple_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    915. 

  915.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    916. 

  916. static void dissect_lcp_fcs_alternatives_opt(const ip_tcp_opt *optp,
    917. 

  917.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    918. 

  918.     proto_tree *tree, void *data _U_);
    919. 

  919. static void dissect_lcp_self_describing_pad_opt(const ip_tcp_opt *optp,
    920. 

  920.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    921. 

  921.     proto_tree *tree, void *data _U_);
    922. 

  922. static void dissect_lcp_numbered_mode_opt(const ip_tcp_opt *optp,
    923. 

  923.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    924. 

  924.     proto_tree *tree, void *data _U_);
    925. 

  925. static void dissect_lcp_callback_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    926. 

  926.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    927. 

  927. static void dissect_lcp_multilink_mrru_opt(const ip_tcp_opt *optp,
    928. 

  928.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    929. 

  929.     proto_tree *tree, void *data _U_);
    930. 

  930. static void dissect_lcp_multilink_ep_disc_opt(const ip_tcp_opt *optp,
    931. 

  931.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    932. 

  932.         proto_tree *tree, void *data _U_);
    933. 

  933. static void dissect_lcp_dce_identifier_opt(const ip_tcp_opt *optp,
    934. 

  934.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    935. 

  935.     proto_tree *tree, void *data _U_);
    936. 

  936. static void dissect_lcp_multilink_pp_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    937. 

  937.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    938. 

  938. static void dissect_lcp_bacp_link_discriminator_opt(const ip_tcp_opt *optp,
    939. 

  939.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    940. 

  940.     proto_tree *tree, void *data _U_);
    941. 

  941. static void dissect_lcp_auth_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    942. 

  942.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    943. 

  943. static void dissect_lcp_cobs_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    944. 

  944.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    945. 

  945. static void dissect_lcp_prefix_elision_opt(const ip_tcp_opt *optp,
    946. 

  946.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    947. 

  947.     proto_tree *tree, void *data _U_);
    948. 

  948. static void dissect_lcp_multilink_hdr_fmt_opt(const ip_tcp_opt *optp,
    949. 

  949.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    950. 

  950.     proto_tree *tree, void *data _U_);
    951. 

  951. static void dissect_lcp_internationalization_opt(const ip_tcp_opt *optp,
    952. 

  952.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    953. 

  953.     proto_tree *tree, void *data _U_);
    954. 

  954. static void dissect_mp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
    955. 

  955. 

  956. static const ip_tcp_opt lcp_opts[] = {
    957. 

  957.     {CI_VENDORSPECIFIC, "Vendor Specific", &ett_lcp_vendor_opt,
    958. 

  958.         OPT_LEN_VARIABLE_LENGTH, 6, dissect_lcp_vendor_opt},
    959. 

  959.     {CI_MRU, "Maximum Receive Unit", &ett_lcp_mru_opt,
    960. 

  960.         OPT_LEN_FIXED_LENGTH, 4, dissect_lcp_mru_opt},
    961. 

  961.     {CI_ASYNCMAP, "Async Control Character Map", &ett_lcp_asyncmap_opt,
    962. 

  962.         OPT_LEN_FIXED_LENGTH, 6, dissect_lcp_async_map_opt},
    963. 

  963.     {CI_AUTHPROT, "Authentication Protocol", &ett_lcp_authprot_opt,
    964. 

  964.         OPT_LEN_VARIABLE_LENGTH, 4, dissect_lcp_authprot_opt},
    965. 

  965.     {CI_QUALITY, "Quality Protocol", &ett_lcp_qualprot_opt,
    966. 

  966.         OPT_LEN_VARIABLE_LENGTH, 4, dissect_lcp_qualprot_opt},
    967. 

  967.     {CI_MAGICNUMBER, "Magic Number", &ett_lcp_magicnumber_opt,
    968. 

  968.         OPT_LEN_FIXED_LENGTH, 6, dissect_lcp_magicnumber_opt},
    969. 

  969.     {CI_LINKQUALMON, "Link Quality Monitoring", &ett_lcp_linkqualmon_opt,
    970. 

  970.         OPT_LEN_FIXED_LENGTH, 6, dissect_lcp_linkqualmon_opt},
    971. 

  971.     {CI_PCOMPRESSION, "Protocol Field Compression", &ett_lcp_pcomp_opt,
    972. 

  972.         OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt},
    973. 

  973.     {CI_ACCOMPRESSION, "Address and Control Field Compression", &ett_lcp_acccomp_opt,
    974. 

  974.         OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt},
    975. 

  975.     {CI_FCS_ALTERNATIVES, "FCS Alternatives", &ett_lcp_fcs_alternatives_opt,
    976. 

  976.         OPT_LEN_FIXED_LENGTH, 3, dissect_lcp_fcs_alternatives_opt},
    977. 

  977.     {CI_SELF_DESCRIBING_PAD, "Self Describing Pad", &ett_lcp_self_desc_pad_opt,
    978. 

  978.         OPT_LEN_FIXED_LENGTH, 3, dissect_lcp_self_describing_pad_opt},
    979. 

  979.     {CI_NUMBERED_MODE, "Numbered Mode", &ett_lcp_numbered_mode_opt,
    980. 

  980.         OPT_LEN_VARIABLE_LENGTH, 4, dissect_lcp_numbered_mode_opt},
    981. 

  981.     /* TODO? CI_MULTILINK_PROC */
    982. 

  982.     {CI_CALLBACK, "Callback", &ett_lcp_callback_opt,
    983. 

  983.         OPT_LEN_VARIABLE_LENGTH, 3, dissect_lcp_callback_opt},
    984. 

  984.     /* TODO? CI_CONNECTTIME */
    985. 

  985.     {CI_COMPOUND_FRAMES, "Compound Frames (Deprecated)", &ett_lcp_compound_frames_opt,
    986. 

  986.         OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt},
    987. 

  987.     {CI_NOMDATAENCAP, "Nominal Data Encapsulation (Deprecated)", &ett_lcp_nomdataencap_opt,
    988. 

  988.         OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt},
    989. 

  989.     {CI_MULTILINK_MRRU, "Multilink MRRU", &ett_lcp_multilink_mrru_opt,
    990. 

  990.         OPT_LEN_FIXED_LENGTH, 4, dissect_lcp_multilink_mrru_opt},
    991. 

  991.     {CI_MULTILINK_SSNH, "Multilink Short Sequence Number Header", &ett_lcp_multilink_ssnh_opt,
    992. 

  992.         OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt},
    993. 

  993.     {CI_MULTILINK_EP_DISC, "Multilink Endpoint Discriminator", &ett_lcp_multilink_ep_disc_opt,
    994. 

  994.         OPT_LEN_VARIABLE_LENGTH, 3, dissect_lcp_multilink_ep_disc_opt},
    995. 

  995.     /* TODO? CI_PROP_KEN: ken@funk.com: www.funk.com => www.juniper.net */
    996. 

  996.     {CI_DCE_IDENTIFIER, "DCE Identifier", &ett_lcp_dce_identifier_opt,
    997. 

  997.         OPT_LEN_FIXED_LENGTH, 3, dissect_lcp_dce_identifier_opt},
    998. 

  998.     {CI_MULTILINK_PLUS_PROC, "Multi Link Plus Procedure", &ett_lcp_multilink_pp_opt,
    999. 

  999.         OPT_LEN_FIXED_LENGTH, 4, dissect_lcp_multilink_pp_opt},
    1000. 

  1000.     {CI_LINK_DISC_FOR_BACP, "Link Discriminator for BACP", &ett_lcp_bacp_link_discrim_opt,
    1001. 

  1001.         OPT_LEN_FIXED_LENGTH, 4, dissect_lcp_bacp_link_discriminator_opt},
    1002. 

  1002.     {CI_LCP_AUTHENTICATION, "LCP Authentication Option", &ett_lcp_auth_opt,
    1003. 

  1003.         OPT_LEN_VARIABLE_LENGTH, 3, dissect_lcp_auth_opt},
    1004. 

  1004.     {CI_COBS, "Consistent Overhead Byte Stuffing (COBS)", &ett_lcp_cobs_opt,
    1005. 

  1005.         OPT_LEN_FIXED_LENGTH, 3, dissect_lcp_cobs_opt},
    1006. 

  1006.     {CI_PREFIX_ELISION, "Prefix Elision", &ett_lcp_prefix_elision_opt,
    1007. 

  1007.         OPT_LEN_VARIABLE_LENGTH, 2, dissect_lcp_prefix_elision_opt},
    1008. 

  1008.     {CI_MULTILINK_HDR_FMT, "Multilink header format", &ett_multilink_hdr_fmt_opt,
    1009. 

  1009.         OPT_LEN_FIXED_LENGTH, 4, dissect_lcp_multilink_hdr_fmt_opt},
    1010. 

  1010.     {CI_INTERNATIONALIZATION, "Internationalization", &ett_lcp_internationalization_opt,
    1011. 

  1011.         OPT_LEN_VARIABLE_LENGTH, 7, dissect_lcp_internationalization_opt},
    1012. 

  1012.     {CI_SDL_ON_SONET_SDH, "Simple Data Link on SONET/SDH", &ett_lcp_simple_opt,
    1013. 

  1013.         OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt}
    1014. 

  1014.     /* TODO? CI_UNASSIGNED */
    1015. 

  1015. };
    1016. 

  1016. 

  1017. #define N_LCP_OPTS      (sizeof lcp_opts / sizeof lcp_opts[0])
    1018. 

  1018. 

  1019. /* 3GPP2 X.S0057-B v1.0
    1020. 

  1020.  * 9.1.4.1 3GPP2 VSNCP Configuration Options
    1021. 

  1021.  * Options.  (VSNCP)
    1022. 

  1022.  */
    1023. 

  1023. 

  1024. #define CI_PDN_IDENTIFIER       1
    1025. 

  1025. #define CI_ACCESS_POINT_NM      2
    1026. 

  1026. #define CI_PDN_TYPE             3
    1027. 

  1027. #define CI_PDN_ADDRESS          4
    1028. 

  1028. #define CI_PROTOCOL_CONFIG      5
    1029. 

  1029. #define CI_ERROR_CODE           6
    1030. 

  1030. #define CI_ATTACH_TYPE          7
    1031. 

  1031. #define CI_IPv4DEFAULT_ROUTER   8
    1032. 

  1032. #define CI_ADDRESS_ALLOC        9
    1033. 

  1033. #define CI_APN_AMBR             10
    1034. 

  1034. #define CI_IPv6_HSGW_LLA_IID    11
    1035. 

  1035. 

  1036. static void dissect_vsncp_pdnid_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1037. 

  1037.     int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
    1038. 

  1038. static void dissect_vsncp_apname_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1039. 

  1039.     int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
    1040. 

  1040. static void dissect_vsncp_pdntype_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1041. 

  1041.     int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
    1042. 

  1042. static void dissect_vsncp_pdnaddress_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1043. 

  1043.     int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
    1044. 

  1044. static void dissect_vsncp_pco_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1045. 

  1045.     int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
    1046. 

  1046. static void dissect_vsncp_errorcode_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1047. 

  1047.     int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
    1048. 

  1048. static void dissect_vsncp_attachtype_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1049. 

  1049.     int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
    1050. 

  1050. static void dissect_vsncp_ipv4address_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1051. 

  1051.     int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
    1052. 

  1052. static void dissect_vsncp_addressalloc_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1053. 

  1053.     int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
    1054. 

  1054. static void dissect_vsncp_apn_ambr_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1055. 

  1055.     int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
    1056. 

  1056. static void dissect_vsncp_ipv6_hsgw_lla_iid_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1057. 

  1057.     int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
    1058. 

  1058. 

  1059. static const ip_tcp_opt vsncp_opts[] = {
    1060. 

  1060.     {CI_PDN_IDENTIFIER, "PDN Identifier", NULL,
    1061. 

  1061.         OPT_LEN_FIXED_LENGTH, 3, dissect_vsncp_pdnid_opt},
    1062. 

  1062.     {CI_ACCESS_POINT_NM, "Access Point Name", NULL,
    1063. 

  1063.         OPT_LEN_VARIABLE_LENGTH, 2, dissect_vsncp_apname_opt},
    1064. 

  1064.     {CI_PDN_TYPE, "PDN Type", NULL,
    1065. 

  1065.         OPT_LEN_FIXED_LENGTH, 3, dissect_vsncp_pdntype_opt},
    1066. 

  1066.     {CI_PDN_ADDRESS, "PDN Address", NULL,
    1067. 

  1067.         OPT_LEN_VARIABLE_LENGTH, 3, dissect_vsncp_pdnaddress_opt},
    1068. 

  1068.     {CI_PROTOCOL_CONFIG, "Protocol Configuration Options", NULL,
    1069. 

  1069.         OPT_LEN_VARIABLE_LENGTH, 3, dissect_vsncp_pco_opt},
    1070. 

  1070.     {CI_ERROR_CODE, "Error Code", NULL,
    1071. 

  1071.         OPT_LEN_FIXED_LENGTH, 3, dissect_vsncp_errorcode_opt},
    1072. 

  1072.     {CI_ATTACH_TYPE, "Attach Type", NULL,
    1073. 

  1073.         OPT_LEN_FIXED_LENGTH, 3, dissect_vsncp_attachtype_opt},
    1074. 

  1074.     {CI_IPv4DEFAULT_ROUTER, "IPv4 Default Router Address", NULL,
    1075. 

  1075.         OPT_LEN_FIXED_LENGTH, 6, dissect_vsncp_ipv4address_opt},
    1076. 

  1076.     {CI_ADDRESS_ALLOC, "Address Allocation Cause", NULL,
    1077. 

  1077.         OPT_LEN_FIXED_LENGTH, 3, dissect_vsncp_addressalloc_opt},
    1078. 

  1078.     {CI_APN_AMBR, "APN Aggregate Maximum Bit Rate(APN-AMBR)", NULL,
    1079. 

  1079.         OPT_LEN_VARIABLE_LENGTH, 4, dissect_vsncp_apn_ambr_opt},
    1080. 

  1080.     {CI_IPv6_HSGW_LLA_IID, "IPv6 HSGW Link Local Address IID", NULL,
    1081. 

  1081.         OPT_LEN_FIXED_LENGTH, 10, dissect_vsncp_ipv6_hsgw_lla_iid_opt}
    1082. 

  1082. };
    1083. 

  1083. 

  1084. #define N_VSNCP_OPTS    (sizeof vsncp_opts / sizeof vsncp_opts[0])
    1085. 

  1085. 

  1086. /*
    1087. 

  1087.  * CHAP Algorithms
    1088. 

  1088.  */
    1089. 

  1089. /* 0-4: Reserved */
    1090. 

  1090. #define CHAP_ALG_MD5    5       /* CHAP with MD5 */
    1091. 

  1091. #define CHAP_AGL_SHA1   6       /* CHAP with SHA-1 [Black] */
    1092. 

  1092. /* 7-127: Unassigned */
    1093. 

  1093. #define CHAP_ALG_MSV1   128     /* MS-CHAP */
    1094. 

  1094. #define CHAP_ALG_MSV2   129     /* MS-CHAP-2 */
    1095. 

  1095. 

  1096. static const range_string chap_alg_rvals[] = {
    1097. 

  1097.     {0,             4,             "Reserved"},
    1098. 

  1098.     {CHAP_ALG_MD5,  CHAP_ALG_MD5,  "CHAP with MD5"},
    1099. 

  1099.     {CHAP_AGL_SHA1, CHAP_AGL_SHA1, "CHAP with SHA-1"},
    1100. 

  1100.     {CHAP_ALG_MSV1, CHAP_ALG_MSV1, "MS-CHAP"},
    1101. 

  1101.     {CHAP_ALG_MSV2, CHAP_ALG_MSV2, "MS-CHAP-2"},
    1102. 

  1102.     {0,             0,             NULL}
    1103. 

  1103. };
    1104. 

  1104. 

  1105. 

  1106. /*
    1107. 

  1107.  * Options.  (IPCP)
    1108. 

  1108.  * http://tools.ietf.org/html/rfc1172
    1109. 

  1109.  * http://tools.ietf.org/html/rfc1332
    1110. 

  1110.  * http://tools.ietf.org/html/rfc1877
    1111. 

  1111.  * http://tools.ietf.org/html/rfc2290
    1112. 

  1112.  * http://tools.ietf.org/html/rfc3241
    1113. 

  1113.  * http://tools.ietf.org/html/rfc3545
    1114. 

  1114.  */
    1115. 

  1115. #define CI_ADDRS            1       /* IP Addresses (deprecated) (RFC 1172) */
    1116. 

  1116. #define CI_COMPRESS_PROTO   2       /* Compression Protocol (RFC 1332) */
    1117. 

  1117. #define CI_ADDR             3       /* IP Address (RFC 1332) */
    1118. 

  1118. #define CI_MOBILE_IPv4      4       /* Mobile IPv4 (RFC 2290) */
    1119. 

  1119. #define CI_PRI_DNS          129     /* Primary DNS value (RFC 1877) */
    1120. 

  1120. #define CI_PRI_NBNS         130     /* Primary NBNS value (RFC 1877) */
    1121. 

  1121. #define CI_SEC_DNS          131     /* Secondary DNS value (RFC 1877) */
    1122. 

  1122. #define CI_SEC_NBNS         132     /* Secondary NBNS value (RFC 1877) */
    1123. 

  1123. 

  1124. static int hf_ipcp_opt_type = -1;
    1125. 

  1125. static int hf_ipcp_opt_length = -1;
    1126. 

  1126. static int hf_ipcp_opt_src_address = -1;
    1127. 

  1127. static int hf_ipcp_opt_dst_address = -1;
    1128. 

  1128. static int hf_ipcp_opt_compress_proto = -1;
    1129. 

  1129. static int hf_ipcp_opt_max_cid = -1;
    1130. 

  1130. static int hf_ipcp_opt_mrru = -1;
    1131. 

  1131. static int hf_ipcp_opt_max_slot_id = -1;
    1132. 

  1132. static int hf_ipcp_opt_comp_slot_id = -1;
    1133. 

  1133. static int hf_ipcp_opt_tcp_space = -1;
    1134. 

  1134. static int hf_ipcp_opt_non_tcp_space = -1;
    1135. 

  1135. static int hf_ipcp_opt_f_max_period = -1;
    1136. 

  1136. static int hf_ipcp_opt_f_max_time = -1;
    1137. 

  1137. static int hf_ipcp_opt_max_header = -1;
    1138. 

  1138. static int hf_ipcp_data = -1;
    1139. 

  1139. static int hf_ipcp_opt_ip_address = -1;
    1140. 

  1140. static int hf_ipcp_opt_mobilenodehomeaddr = -1;
    1141. 

  1141. static int hf_ipcp_opt_pri_dns_address = -1;
    1142. 

  1142. static int hf_ipcp_opt_pri_nbns_address = -1;
    1143. 

  1143. static int hf_ipcp_opt_sec_dns_address = -1;
    1144. 

  1144. static int hf_ipcp_opt_sec_nbns_address = -1;
    1145. 

  1145. 

  1146. static int hf_ipcp_opt_rohc_type = -1;
    1147. 

  1147. static int hf_ipcp_opt_rohc_length = -1;
    1148. 

  1148. static int hf_ipcp_opt_rohc_profile = -1;
    1149. 

  1149. static int hf_ipcp_opt_iphc_type = -1;
    1150. 

  1150. static int hf_ipcp_opt_iphc_length = -1;
    1151. 

  1151. static int hf_ipcp_opt_iphc_param = -1;
    1152. 

  1152. 

  1153. static void dissect_ipcp_addrs_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1154. 

  1154.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    1155. 

  1155. static void dissect_ipcp_compress_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1156. 

  1156.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    1157. 

  1157. static void dissect_ipcp_rohc_profiles_opt(const ip_tcp_opt *optp,
    1158. 

  1158.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    1159. 

  1159.     proto_tree *tree, void *data _U_);
    1160. 

  1160. static void dissect_ipcp_iphc_simple_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1161. 

  1161.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    1162. 

  1162. static void dissect_ipcp_iphc_neghdrcomp_opt(const ip_tcp_opt *optp,
    1163. 

  1163.     tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
    1164. 

  1164.     proto_tree *tree, void *data _U_);
    1165. 

  1165. static void dissect_ipcp_addr_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1166. 

  1166.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    1167. 

  1167. static void dissect_ipcp_mobileipv4_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1168. 

  1168.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    1169. 

  1169. static void dissect_ipcp_pri_dns_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1170. 

  1170.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    1171. 

  1171. static void dissect_ipcp_pri_nbns_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1172. 

  1172.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
    1173. 

  1173. static void dissect_ipcp_sec_dns_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
    1174. 

  1174.     int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *…
    1175.

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