1 /* 2 * Copyright (c) 1998-2007 The TCPDUMP project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that: (1) source code 6 * distributions retain the above copyright notice and this paragraph 7 * in its entirety, and (2) distributions including binary code include 8 * the above copyright notice and this paragraph in its entirety in 9 * the documentation or other materials provided with the distribution. 10 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND 11 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT 12 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 13 * FOR A PARTICULAR PURPOSE. 14 * 15 * Original code by Hannes Gredler (hannes (at) juniper.net) 16 */ 17 18 #define NETDISSECT_REWORKED 19 #ifdef HAVE_CONFIG_H 20 #include "config.h" 21 #endif 22 23 #include <tcpdump-stdinc.h> 24 25 #include "interface.h" 26 #include "extract.h" 27 #include "addrtoname.h" 28 #include "ethertype.h" 29 #include "gmpls.h" 30 #include "af.h" 31 #include "signature.h" 32 33 /* 34 * RFC 2205 common header 35 * 36 * 0 1 2 3 37 * +-------------+-------------+-------------+-------------+ 38 * | Vers | Flags| Msg Type | RSVP Checksum | 39 * +-------------+-------------+-------------+-------------+ 40 * | Send_TTL | (Reserved) | RSVP Length | 41 * +-------------+-------------+-------------+-------------+ 42 * 43 */ 44 45 struct rsvp_common_header { 46 uint8_t version_flags; 47 uint8_t msg_type; 48 uint8_t checksum[2]; 49 uint8_t ttl; 50 uint8_t reserved; 51 uint8_t length[2]; 52 }; 53 54 /* 55 * RFC2205 object header 56 * 57 * 58 * 0 1 2 3 59 * +-------------+-------------+-------------+-------------+ 60 * | Length (bytes) | Class-Num | C-Type | 61 * +-------------+-------------+-------------+-------------+ 62 * | | 63 * // (Object contents) // 64 * | | 65 * +-------------+-------------+-------------+-------------+ 66 */ 67 68 struct rsvp_object_header { 69 uint8_t length[2]; 70 uint8_t class_num; 71 uint8_t ctype; 72 }; 73 74 #define RSVP_VERSION 1 75 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4) 76 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f) 77 78 #define RSVP_MSGTYPE_PATH 1 79 #define RSVP_MSGTYPE_RESV 2 80 #define RSVP_MSGTYPE_PATHERR 3 81 #define RSVP_MSGTYPE_RESVERR 4 82 #define RSVP_MSGTYPE_PATHTEAR 5 83 #define RSVP_MSGTYPE_RESVTEAR 6 84 #define RSVP_MSGTYPE_RESVCONF 7 85 #define RSVP_MSGTYPE_AGGREGATE 12 86 #define RSVP_MSGTYPE_ACK 13 87 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */ 88 #define RSVP_MSGTYPE_SREFRESH 15 89 #define RSVP_MSGTYPE_HELLO 20 90 91 static const struct tok rsvp_msg_type_values[] = { 92 { RSVP_MSGTYPE_PATH, "Path" }, 93 { RSVP_MSGTYPE_RESV, "Resv" }, 94 { RSVP_MSGTYPE_PATHERR, "PathErr" }, 95 { RSVP_MSGTYPE_RESVERR, "ResvErr" }, 96 { RSVP_MSGTYPE_PATHTEAR, "PathTear" }, 97 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" }, 98 { RSVP_MSGTYPE_RESVCONF, "ResvConf" }, 99 { RSVP_MSGTYPE_AGGREGATE, "Aggregate" }, 100 { RSVP_MSGTYPE_ACK, "Acknowledgement" }, 101 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" }, 102 { RSVP_MSGTYPE_SREFRESH, "Refresh" }, 103 { RSVP_MSGTYPE_HELLO, "Hello" }, 104 { 0, NULL} 105 }; 106 107 static const struct tok rsvp_header_flag_values[] = { 108 { 0x01, "Refresh reduction capable" }, /* rfc2961 */ 109 { 0, NULL} 110 }; 111 112 #define RSVP_OBJ_SESSION 1 /* rfc2205 */ 113 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */ 114 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */ 115 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */ 116 #define RSVP_OBJ_ERROR_SPEC 6 117 #define RSVP_OBJ_SCOPE 7 118 #define RSVP_OBJ_STYLE 8 /* rfc2205 */ 119 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */ 120 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */ 121 #define RSVP_OBJ_SENDER_TEMPLATE 11 122 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */ 123 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */ 124 #define RSVP_OBJ_POLICY_DATA 14 125 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */ 126 #define RSVP_OBJ_LABEL 16 /* rfc3209 */ 127 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */ 128 #define RSVP_OBJ_ERO 20 /* rfc3209 */ 129 #define RSVP_OBJ_RRO 21 /* rfc3209 */ 130 #define RSVP_OBJ_HELLO 22 /* rfc3209 */ 131 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */ 132 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */ 133 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */ 134 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */ 135 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */ 136 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */ 137 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */ 138 #define RSVP_OBJ_S2L 50 /* rfc4875 */ 139 #define RSVP_OBJ_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */ 140 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */ 141 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */ 142 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */ 143 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */ 144 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */ 145 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */ 146 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */ 147 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */ 148 #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */ 149 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */ 150 #define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */ 151 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */ 152 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */ 153 154 static const struct tok rsvp_obj_values[] = { 155 { RSVP_OBJ_SESSION, "Session" }, 156 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" }, 157 { RSVP_OBJ_INTEGRITY, "Integrity" }, 158 { RSVP_OBJ_TIME_VALUES, "Time Values" }, 159 { RSVP_OBJ_ERROR_SPEC, "Error Spec" }, 160 { RSVP_OBJ_SCOPE, "Scope" }, 161 { RSVP_OBJ_STYLE, "Style" }, 162 { RSVP_OBJ_FLOWSPEC, "Flowspec" }, 163 { RSVP_OBJ_FILTERSPEC, "FilterSpec" }, 164 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" }, 165 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" }, 166 { RSVP_OBJ_ADSPEC, "Adspec" }, 167 { RSVP_OBJ_POLICY_DATA, "Policy Data" }, 168 { RSVP_OBJ_CONFIRM, "Confirm" }, 169 { RSVP_OBJ_LABEL, "Label" }, 170 { RSVP_OBJ_LABEL_REQ, "Label Request" }, 171 { RSVP_OBJ_ERO, "ERO" }, 172 { RSVP_OBJ_RRO, "RRO" }, 173 { RSVP_OBJ_HELLO, "Hello" }, 174 { RSVP_OBJ_MESSAGE_ID, "Message ID" }, 175 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" }, 176 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" }, 177 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" }, 178 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" }, 179 { RSVP_OBJ_LABEL_SET, "Label Set" }, 180 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" }, 181 { RSVP_OBJ_DETOUR, "Detour" }, 182 { RSVP_OBJ_CLASSTYPE, "Class Type" }, 183 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" }, 184 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" }, 185 { RSVP_OBJ_PROPERTIES, "Properties" }, 186 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" }, 187 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" }, 188 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" }, 189 { RSVP_OBJ_CALL_ID, "Call-ID" }, 190 { RSVP_OBJ_CALL_OPS, "Call Capability" }, 191 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" }, 192 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" }, 193 { RSVP_OBJ_PROTECTION, "Protection" }, 194 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" }, 195 { RSVP_OBJ_S2L, "Sub-LSP to LSP" }, 196 { 0, NULL} 197 }; 198 199 #define RSVP_CTYPE_IPV4 1 200 #define RSVP_CTYPE_IPV6 2 201 #define RSVP_CTYPE_TUNNEL_IPV4 7 202 #define RSVP_CTYPE_TUNNEL_IPV6 8 203 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */ 204 #define RSVP_CTYPE_1 1 205 #define RSVP_CTYPE_2 2 206 #define RSVP_CTYPE_3 3 207 #define RSVP_CTYPE_4 4 208 #define RSVP_CTYPE_12 12 209 #define RSVP_CTYPE_13 13 210 #define RSVP_CTYPE_14 14 211 212 /* 213 * the ctypes are not globally unique so for 214 * translating it to strings we build a table based 215 * on objects offsetted by the ctype 216 */ 217 218 static const struct tok rsvp_ctype_values[] = { 219 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" }, 220 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" }, 221 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" }, 222 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" }, 223 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" }, 224 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" }, 225 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" }, 226 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" }, 227 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" }, 228 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" }, 229 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" }, 230 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" }, 231 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" }, 232 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" }, 233 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" }, 234 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" }, 235 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, 236 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" }, 237 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" }, 238 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" }, 239 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" }, 240 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, 241 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" }, 242 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" }, 243 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" }, 244 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" }, 245 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" }, 246 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, 247 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" }, 248 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" }, 249 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" }, 250 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" }, 251 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" }, 252 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" }, 253 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" }, 254 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" }, 255 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" }, 256 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" }, 257 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" }, 258 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" }, 259 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" }, 260 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" }, 261 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" }, 262 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, 263 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" }, 264 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" }, 265 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, 266 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" }, 267 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" }, 268 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, 269 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" }, 270 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" }, 271 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, 272 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" }, 273 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" }, 274 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" }, 275 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" }, 276 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" }, 277 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" }, 278 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" }, 279 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, 280 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/ 281 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */ 282 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, 283 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" }, 284 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" }, 285 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" }, 286 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" }, 287 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" }, 288 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" }, 289 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" }, 290 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" }, 291 { 0, NULL} 292 }; 293 294 struct rsvp_obj_integrity_t { 295 uint8_t flags; 296 uint8_t res; 297 uint8_t key_id[6]; 298 uint8_t sequence[8]; 299 uint8_t digest[16]; 300 }; 301 302 static const struct tok rsvp_obj_integrity_flag_values[] = { 303 { 0x80, "Handshake" }, 304 { 0, NULL} 305 }; 306 307 struct rsvp_obj_frr_t { 308 uint8_t setup_prio; 309 uint8_t hold_prio; 310 uint8_t hop_limit; 311 uint8_t flags; 312 uint8_t bandwidth[4]; 313 uint8_t include_any[4]; 314 uint8_t exclude_any[4]; 315 uint8_t include_all[4]; 316 }; 317 318 319 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f) 320 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80) 321 322 #define RSVP_OBJ_XRO_RES 0 323 #define RSVP_OBJ_XRO_IPV4 1 324 #define RSVP_OBJ_XRO_IPV6 2 325 #define RSVP_OBJ_XRO_LABEL 3 326 #define RSVP_OBJ_XRO_ASN 32 327 #define RSVP_OBJ_XRO_MPLS 64 328 329 static const struct tok rsvp_obj_xro_values[] = { 330 { RSVP_OBJ_XRO_RES, "Reserved" }, 331 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" }, 332 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" }, 333 { RSVP_OBJ_XRO_LABEL, "Label" }, 334 { RSVP_OBJ_XRO_ASN, "Autonomous system number" }, 335 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" }, 336 { 0, NULL} 337 }; 338 339 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */ 340 static const struct tok rsvp_obj_rro_flag_values[] = { 341 { 0x01, "Local protection available" }, 342 { 0x02, "Local protection in use" }, 343 { 0x04, "Bandwidth protection" }, 344 { 0x08, "Node protection" }, 345 { 0, NULL} 346 }; 347 348 /* RFC3209 */ 349 static const struct tok rsvp_obj_rro_label_flag_values[] = { 350 { 0x01, "Global" }, 351 { 0, NULL} 352 }; 353 354 static const struct tok rsvp_resstyle_values[] = { 355 { 17, "Wildcard Filter" }, 356 { 10, "Fixed Filter" }, 357 { 18, "Shared Explicit" }, 358 { 0, NULL} 359 }; 360 361 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2 362 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5 363 364 static const struct tok rsvp_intserv_service_type_values[] = { 365 { 1, "Default/Global Information" }, 366 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" }, 367 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" }, 368 { 0, NULL} 369 }; 370 371 static const struct tok rsvp_intserv_parameter_id_values[] = { 372 { 4, "IS hop cnt" }, 373 { 6, "Path b/w estimate" }, 374 { 8, "Minimum path latency" }, 375 { 10, "Composed MTU" }, 376 { 127, "Token Bucket TSpec" }, 377 { 130, "Guaranteed Service RSpec" }, 378 { 133, "End-to-end composed value for C" }, 379 { 134, "End-to-end composed value for D" }, 380 { 135, "Since-last-reshaping point composed C" }, 381 { 136, "Since-last-reshaping point composed D" }, 382 { 0, NULL} 383 }; 384 385 static const struct tok rsvp_session_attribute_flag_values[] = { 386 { 0x01, "Local Protection" }, 387 { 0x02, "Label Recording" }, 388 { 0x04, "SE Style" }, 389 { 0x08, "Bandwidth protection" }, /* RFC4090 */ 390 { 0x10, "Node protection" }, /* RFC4090 */ 391 { 0, NULL} 392 }; 393 394 static const struct tok rsvp_obj_prop_tlv_values[] = { 395 { 0x01, "Cos" }, 396 { 0x02, "Metric 1" }, 397 { 0x04, "Metric 2" }, 398 { 0x08, "CCC Status" }, 399 { 0x10, "Path Type" }, 400 { 0, NULL} 401 }; 402 403 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24 404 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25 405 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28 406 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125 407 408 static const struct tok rsvp_obj_error_code_values[] = { 409 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" }, 410 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" }, 411 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" }, 412 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" }, 413 { 0, NULL} 414 }; 415 416 static const struct tok rsvp_obj_error_code_routing_values[] = { 417 { 1, "Bad EXPLICIT_ROUTE object" }, 418 { 2, "Bad strict node" }, 419 { 3, "Bad loose node" }, 420 { 4, "Bad initial subobject" }, 421 { 5, "No route available toward destination" }, 422 { 6, "Unacceptable label value" }, 423 { 7, "RRO indicated routing loops" }, 424 { 8, "non-RSVP-capable router in the path" }, 425 { 9, "MPLS label allocation failure" }, 426 { 10, "Unsupported L3PID" }, 427 { 0, NULL} 428 }; 429 430 static const struct tok rsvp_obj_error_code_diffserv_te_values[] = { 431 { 1, "Unexpected CT object" }, 432 { 2, "Unsupported CT" }, 433 { 3, "Invalid CT value" }, 434 { 4, "CT/setup priority do not form a configured TE-Class" }, 435 { 5, "CT/holding priority do not form a configured TE-Class" }, 436 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" }, 437 { 7, "Inconsistency between signaled PSC and signaled CT" }, 438 { 8, "Inconsistency between signaled PHBs and signaled CT" }, 439 { 0, NULL} 440 }; 441 442 /* rfc3473 / rfc 3471 */ 443 static const struct tok rsvp_obj_admin_status_flag_values[] = { 444 { 0x80000000, "Reflect" }, 445 { 0x00000004, "Testing" }, 446 { 0x00000002, "Admin-down" }, 447 { 0x00000001, "Delete-in-progress" }, 448 { 0, NULL} 449 }; 450 451 /* label set actions - rfc3471 */ 452 #define LABEL_SET_INCLUSIVE_LIST 0 453 #define LABEL_SET_EXCLUSIVE_LIST 1 454 #define LABEL_SET_INCLUSIVE_RANGE 2 455 #define LABEL_SET_EXCLUSIVE_RANGE 3 456 457 static const struct tok rsvp_obj_label_set_action_values[] = { 458 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" }, 459 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" }, 460 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" }, 461 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" }, 462 { 0, NULL} 463 }; 464 465 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */ 466 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1 467 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2 468 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3 469 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4 470 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5 471 472 static const struct tok rsvp_obj_generalized_uni_values[] = { 473 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" }, 474 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" }, 475 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" }, 476 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" }, 477 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" }, 478 { 0, NULL} 479 }; 480 481 /* 482 * this is a dissector for all the intserv defined 483 * specs as defined per rfc2215 484 * it is called from various rsvp objects; 485 * returns the amount of bytes being processed 486 */ 487 static int 488 rsvp_intserv_print(netdissect_options *ndo, 489 const u_char *tptr, u_short obj_tlen) 490 { 491 int parameter_id,parameter_length; 492 union { 493 float f; 494 uint32_t i; 495 } bw; 496 497 if (obj_tlen < 4) 498 return 0; 499 parameter_id = *(tptr); 500 parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */ 501 502 ND_PRINT((ndo, "\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]", 503 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id), 504 parameter_id, 505 parameter_length, 506 *(tptr + 1))); 507 508 if (obj_tlen < parameter_length+4) 509 return 0; 510 switch(parameter_id) { /* parameter_id */ 511 512 case 4: 513 /* 514 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 515 * | 4 (e) | (f) | 1 (g) | 516 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 517 * | IS hop cnt (32-bit unsigned integer) | 518 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 519 */ 520 if (parameter_length == 4) 521 ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr + 4))); 522 break; 523 524 case 6: 525 /* 526 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 527 * | 6 (h) | (i) | 1 (j) | 528 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 529 * | Path b/w estimate (32-bit IEEE floating point number) | 530 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 531 */ 532 if (parameter_length == 4) { 533 bw.i = EXTRACT_32BITS(tptr+4); 534 ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000)); 535 } 536 break; 537 538 case 8: 539 /* 540 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 541 * | 8 (k) | (l) | 1 (m) | 542 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 543 * | Minimum path latency (32-bit integer) | 544 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 545 */ 546 if (parameter_length == 4) { 547 ND_PRINT((ndo, "\n\t\tMinimum path latency: ")); 548 if (EXTRACT_32BITS(tptr+4) == 0xffffffff) 549 ND_PRINT((ndo, "don't care")); 550 else 551 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4))); 552 } 553 break; 554 555 case 10: 556 557 /* 558 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 559 * | 10 (n) | (o) | 1 (p) | 560 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 561 * | Composed MTU (32-bit unsigned integer) | 562 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 563 */ 564 if (parameter_length == 4) 565 ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4))); 566 break; 567 case 127: 568 /* 569 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 570 * | 127 (e) | 0 (f) | 5 (g) | 571 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 572 * | Token Bucket Rate [r] (32-bit IEEE floating point number) | 573 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 574 * | Token Bucket Size [b] (32-bit IEEE floating point number) | 575 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 576 * | Peak Data Rate [p] (32-bit IEEE floating point number) | 577 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 578 * | Minimum Policed Unit [m] (32-bit integer) | 579 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 580 * | Maximum Packet Size [M] (32-bit integer) | 581 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 582 */ 583 584 if (parameter_length == 20) { 585 bw.i = EXTRACT_32BITS(tptr+4); 586 ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000)); 587 bw.i = EXTRACT_32BITS(tptr+8); 588 ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f)); 589 bw.i = EXTRACT_32BITS(tptr+12); 590 ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000)); 591 ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16))); 592 ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20))); 593 } 594 break; 595 596 case 130: 597 /* 598 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 599 * | 130 (h) | 0 (i) | 2 (j) | 600 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 601 * | Rate [R] (32-bit IEEE floating point number) | 602 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 603 * | Slack Term [S] (32-bit integer) | 604 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 605 */ 606 607 if (parameter_length == 8) { 608 bw.i = EXTRACT_32BITS(tptr+4); 609 ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000)); 610 ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8))); 611 } 612 break; 613 614 case 133: 615 case 134: 616 case 135: 617 case 136: 618 if (parameter_length == 4) 619 ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4))); 620 break; 621 622 default: 623 if (ndo->ndo_vflag <= 1) 624 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length); 625 } 626 return (parameter_length+4); /* header length 4 bytes */ 627 } 628 629 static int 630 rsvp_obj_print(netdissect_options *ndo, 631 const u_char *pptr 632 #ifndef HAVE_LIBCRYPTO 633 _U_ 634 #endif 635 , u_int plen 636 #ifndef HAVE_LIBCRYPTO 637 _U_ 638 #endif 639 , const u_char *tptr, 640 const char *ident, u_int tlen) 641 { 642 const struct rsvp_object_header *rsvp_obj_header; 643 const u_char *obj_tptr; 644 union { 645 const struct rsvp_obj_integrity_t *rsvp_obj_integrity; 646 const struct rsvp_obj_frr_t *rsvp_obj_frr; 647 } obj_ptr; 648 649 u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen; 650 int hexdump,processed,padbytes,error_code,error_value,i,sigcheck; 651 union { 652 float f; 653 uint32_t i; 654 } bw; 655 uint8_t namelen; 656 657 u_int action, subchannel; 658 659 while(tlen>=sizeof(struct rsvp_object_header)) { 660 /* did we capture enough for fully decoding the object header ? */ 661 ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header)); 662 663 rsvp_obj_header = (const struct rsvp_object_header *)tptr; 664 rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length); 665 rsvp_obj_ctype=rsvp_obj_header->ctype; 666 667 if(rsvp_obj_len % 4) { 668 ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len)); 669 return -1; 670 } 671 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) { 672 ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len, 673 (unsigned long)sizeof(const struct rsvp_object_header))); 674 return -1; 675 } 676 677 ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s", 678 ident, 679 tok2str(rsvp_obj_values, 680 "Unknown", 681 rsvp_obj_header->class_num), 682 rsvp_obj_header->class_num, 683 ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject")); 684 685 if (rsvp_obj_header->class_num > 128) 686 ND_PRINT((ndo, " %s", 687 ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently")); 688 689 ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u", 690 tok2str(rsvp_ctype_values, 691 "Unknown", 692 ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype), 693 rsvp_obj_ctype, 694 rsvp_obj_len)); 695 696 if(tlen < rsvp_obj_len) { 697 ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", ident)); 698 return -1; 699 } 700 701 obj_tptr=tptr+sizeof(struct rsvp_object_header); 702 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header); 703 704 /* did we capture enough for fully decoding the object ? */ 705 if (!ND_TTEST2(*tptr, rsvp_obj_len)) 706 return -1; 707 hexdump=FALSE; 708 709 switch(rsvp_obj_header->class_num) { 710 case RSVP_OBJ_SESSION: 711 switch(rsvp_obj_ctype) { 712 case RSVP_CTYPE_IPV4: 713 if (obj_tlen < 8) 714 return -1; 715 ND_PRINT((ndo, "%s IPv4 DestAddress: %s, Protocol ID: 0x%02x", 716 ident, 717 ipaddr_string(ndo, obj_tptr), 718 *(obj_tptr + sizeof(struct in_addr)))); 719 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u", 720 ident, 721 *(obj_tptr+5), 722 EXTRACT_16BITS(obj_tptr + 6))); 723 obj_tlen-=8; 724 obj_tptr+=8; 725 break; 726 #ifdef INET6 727 case RSVP_CTYPE_IPV6: 728 if (obj_tlen < 20) 729 return -1; 730 ND_PRINT((ndo, "%s IPv6 DestAddress: %s, Protocol ID: 0x%02x", 731 ident, 732 ip6addr_string(ndo, obj_tptr), 733 *(obj_tptr + sizeof(struct in6_addr)))); 734 ND_PRINT((ndo, "%s Flags: [0x%02x], DestPort %u", 735 ident, 736 *(obj_tptr+sizeof(struct in6_addr)+1), 737 EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2))); 738 obj_tlen-=20; 739 obj_tptr+=20; 740 break; 741 742 case RSVP_CTYPE_TUNNEL_IPV6: 743 if (obj_tlen < 36) 744 return -1; 745 ND_PRINT((ndo, "%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", 746 ident, 747 ip6addr_string(ndo, obj_tptr), 748 EXTRACT_16BITS(obj_tptr+18), 749 ip6addr_string(ndo, obj_tptr + 20))); 750 obj_tlen-=36; 751 obj_tptr+=36; 752 break; 753 754 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */ 755 if (obj_tlen < 26) 756 return -1; 757 ND_PRINT((ndo, "%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", 758 ident, 759 EXTRACT_32BITS(obj_tptr), 760 EXTRACT_16BITS(obj_tptr+6), 761 ip6addr_string(ndo, obj_tptr + 8))); 762 obj_tlen-=26; 763 obj_tptr+=26; 764 break; 765 #endif 766 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */ 767 if (obj_tlen < 12) 768 return -1; 769 ND_PRINT((ndo, "%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", 770 ident, 771 ipaddr_string(ndo, obj_tptr), 772 EXTRACT_16BITS(obj_tptr+6), 773 ipaddr_string(ndo, obj_tptr + 8))); 774 obj_tlen-=12; 775 obj_tptr+=12; 776 break; 777 case RSVP_CTYPE_TUNNEL_IPV4: 778 case RSVP_CTYPE_UNI_IPV4: 779 if (obj_tlen < 12) 780 return -1; 781 ND_PRINT((ndo, "%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", 782 ident, 783 ipaddr_string(ndo, obj_tptr), 784 EXTRACT_16BITS(obj_tptr+6), 785 ipaddr_string(ndo, obj_tptr + 8))); 786 obj_tlen-=12; 787 obj_tptr+=12; 788 break; 789 default: 790 hexdump=TRUE; 791 } 792 break; 793 794 case RSVP_OBJ_CONFIRM: 795 switch(rsvp_obj_ctype) { 796 case RSVP_CTYPE_IPV4: 797 if (obj_tlen < sizeof(struct in_addr)) 798 return -1; 799 ND_PRINT((ndo, "%s IPv4 Receiver Address: %s", 800 ident, 801 ipaddr_string(ndo, obj_tptr))); 802 obj_tlen-=sizeof(struct in_addr); 803 obj_tptr+=sizeof(struct in_addr); 804 break; 805 #ifdef INET6 806 case RSVP_CTYPE_IPV6: 807 if (obj_tlen < sizeof(struct in6_addr)) 808 return -1; 809 ND_PRINT((ndo, "%s IPv6 Receiver Address: %s", 810 ident, 811 ip6addr_string(ndo, obj_tptr))); 812 obj_tlen-=sizeof(struct in6_addr); 813 obj_tptr+=sizeof(struct in6_addr); 814 break; 815 #endif 816 default: 817 hexdump=TRUE; 818 } 819 break; 820 821 case RSVP_OBJ_NOTIFY_REQ: 822 switch(rsvp_obj_ctype) { 823 case RSVP_CTYPE_IPV4: 824 if (obj_tlen < sizeof(struct in_addr)) 825 return -1; 826 ND_PRINT((ndo, "%s IPv4 Notify Node Address: %s", 827 ident, 828 ipaddr_string(ndo, obj_tptr))); 829 obj_tlen-=sizeof(struct in_addr); 830 obj_tptr+=sizeof(struct in_addr); 831 break; 832 #ifdef INET6 833 case RSVP_CTYPE_IPV6: 834 if (obj_tlen < sizeof(struct in6_addr)) 835 return-1; 836 ND_PRINT((ndo, "%s IPv6 Notify Node Address: %s", 837 ident, 838 ip6addr_string(ndo, obj_tptr))); 839 obj_tlen-=sizeof(struct in6_addr); 840 obj_tptr+=sizeof(struct in6_addr); 841 break; 842 #endif 843 default: 844 hexdump=TRUE; 845 } 846 break; 847 848 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */ 849 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */ 850 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */ 851 case RSVP_OBJ_LABEL: 852 switch(rsvp_obj_ctype) { 853 case RSVP_CTYPE_1: 854 while(obj_tlen >= 4 ) { 855 ND_PRINT((ndo, "%s Label: %u", ident, EXTRACT_32BITS(obj_tptr))); 856 obj_tlen-=4; 857 obj_tptr+=4; 858 } 859 break; 860 case RSVP_CTYPE_2: 861 if (obj_tlen < 4) 862 return-1; 863 ND_PRINT((ndo, "%s Generalized Label: %u", 864 ident, 865 EXTRACT_32BITS(obj_tptr))); 866 obj_tlen-=4; 867 obj_tptr+=4; 868 break; 869 case RSVP_CTYPE_3: 870 if (obj_tlen < 12) 871 return-1; 872 ND_PRINT((ndo, "%s Waveband ID: %u%s Start Label: %u, Stop Label: %u", 873 ident, 874 EXTRACT_32BITS(obj_tptr), 875 ident, 876 EXTRACT_32BITS(obj_tptr+4), 877 EXTRACT_32BITS(obj_tptr + 8))); 878 obj_tlen-=12; 879 obj_tptr+=12; 880 break; 881 default: 882 hexdump=TRUE; 883 } 884 break; 885 886 case RSVP_OBJ_STYLE: 887 switch(rsvp_obj_ctype) { 888 case RSVP_CTYPE_1: 889 if (obj_tlen < 4) 890 return-1; 891 ND_PRINT((ndo, "%s Reservation Style: %s, Flags: [0x%02x]", 892 ident, 893 tok2str(rsvp_resstyle_values, 894 "Unknown", 895 EXTRACT_24BITS(obj_tptr+1)), 896 *(obj_tptr))); 897 obj_tlen-=4; 898 obj_tptr+=4; 899 break; 900 default: 901 hexdump=TRUE; 902 } 903 break; 904 905 case RSVP_OBJ_SENDER_TEMPLATE: 906 switch(rsvp_obj_ctype) { 907 case RSVP_CTYPE_IPV4: 908 if (obj_tlen < 8) 909 return-1; 910 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", 911 ident, 912 ipaddr_string(ndo, obj_tptr), 913 EXTRACT_16BITS(obj_tptr + 6))); 914 obj_tlen-=8; 915 obj_tptr+=8; 916 break; 917 #ifdef INET6 918 case RSVP_CTYPE_IPV6: 919 if (obj_tlen < 20) 920 return-1; 921 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", 922 ident, 923 ip6addr_string(ndo, obj_tptr), 924 EXTRACT_16BITS(obj_tptr + 18))); 925 obj_tlen-=20; 926 obj_tptr+=20; 927 break; 928 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */ 929 if (obj_tlen < 40) 930 return-1; 931 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x" 932 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", 933 ident, 934 ip6addr_string(ndo, obj_tptr), 935 EXTRACT_16BITS(obj_tptr+18), 936 ident, 937 ip6addr_string(ndo, obj_tptr+20), 938 EXTRACT_16BITS(obj_tptr + 38))); 939 obj_tlen-=40; 940 obj_tptr+=40; 941 break; 942 #endif 943 case RSVP_CTYPE_TUNNEL_IPV4: 944 if (obj_tlen < 8) 945 return-1; 946 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x", 947 ident, 948 ipaddr_string(ndo, obj_tptr), 949 EXTRACT_16BITS(obj_tptr + 6))); 950 obj_tlen-=8; 951 obj_tptr+=8; 952 break; 953 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */ 954 if (obj_tlen < 16) 955 return-1; 956 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x" 957 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", 958 ident, 959 ipaddr_string(ndo, obj_tptr), 960 EXTRACT_16BITS(obj_tptr+6), 961 ident, 962 ipaddr_string(ndo, obj_tptr+8), 963 EXTRACT_16BITS(obj_tptr + 12))); 964 obj_tlen-=16; 965 obj_tptr+=16; 966 break; 967 default: 968 hexdump=TRUE; 969 } 970 break; 971 972 case RSVP_OBJ_LABEL_REQ: 973 switch(rsvp_obj_ctype) { 974 case RSVP_CTYPE_1: 975 while(obj_tlen >= 4 ) { 976 ND_PRINT((ndo, "%s L3 Protocol ID: %s", 977 ident, 978 tok2str(ethertype_values, 979 "Unknown Protocol (0x%04x)", 980 EXTRACT_16BITS(obj_tptr + 2)))); 981 obj_tlen-=4; 982 obj_tptr+=4; 983 } 984 break; 985 case RSVP_CTYPE_2: 986 if (obj_tlen < 12) 987 return-1; 988 ND_PRINT((ndo, "%s L3 Protocol ID: %s", 989 ident, 990 tok2str(ethertype_values, 991 "Unknown Protocol (0x%04x)", 992 EXTRACT_16BITS(obj_tptr + 2)))); 993 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" )); 994 ND_PRINT((ndo, "%s Minimum VPI/VCI: %u/%u", 995 ident, 996 (EXTRACT_16BITS(obj_tptr+4))&0xfff, 997 (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff)); 998 ND_PRINT((ndo, "%s Maximum VPI/VCI: %u/%u", 999 ident, 1000 (EXTRACT_16BITS(obj_tptr+8))&0xfff, 1001 (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff)); 1002 obj_tlen-=12; 1003 obj_tptr+=12; 1004 break; 1005 case RSVP_CTYPE_3: 1006 if (obj_tlen < 12) 1007 return-1; 1008 ND_PRINT((ndo, "%s L3 Protocol ID: %s", 1009 ident, 1010 tok2str(ethertype_values, 1011 "Unknown Protocol (0x%04x)", 1012 EXTRACT_16BITS(obj_tptr + 2)))); 1013 ND_PRINT((ndo, "%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI", 1014 ident, 1015 (EXTRACT_32BITS(obj_tptr+4))&0x7fffff, 1016 (EXTRACT_32BITS(obj_tptr+8))&0x7fffff, 1017 (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "", 1018 (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : "")); 1019 obj_tlen-=12; 1020 obj_tptr+=12; 1021 break; 1022 case RSVP_CTYPE_4: 1023 if (obj_tlen < 4) 1024 return-1; 1025 ND_PRINT((ndo, "%s LSP Encoding Type: %s (%u)", 1026 ident, 1027 tok2str(gmpls_encoding_values, 1028 "Unknown", 1029 *obj_tptr), 1030 *obj_tptr)); 1031 ND_PRINT((ndo, "%s Switching Type: %s (%u), Payload ID: %s (0x%04x)", 1032 ident, 1033 tok2str(gmpls_switch_cap_values, 1034 "Unknown", 1035 *(obj_tptr+1)), 1036 *(obj_tptr+1), 1037 tok2str(gmpls_payload_values, 1038 "Unknown", 1039 EXTRACT_16BITS(obj_tptr+2)), 1040 EXTRACT_16BITS(obj_tptr + 2))); 1041 obj_tlen-=4; 1042 obj_tptr+=4; 1043 break; 1044 default: 1045 hexdump=TRUE; 1046 } 1047 break; 1048 1049 case RSVP_OBJ_RRO: 1050 case RSVP_OBJ_ERO: 1051 switch(rsvp_obj_ctype) { 1052 case RSVP_CTYPE_IPV4: 1053 while(obj_tlen >= 4 ) { 1054 ND_PRINT((ndo, "%s Subobject Type: %s, length %u", 1055 ident, 1056 tok2str(rsvp_obj_xro_values, 1057 "Unknown %u", 1058 RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)), 1059 *(obj_tptr + 1))); 1060 1061 if (*(obj_tptr+1) == 0) { /* prevent infinite loops */ 1062 ND_PRINT((ndo, "%s ERROR: zero length ERO subtype", ident)); 1063 break; 1064 } 1065 1066 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) { 1067 case RSVP_OBJ_XRO_IPV4: 1068 ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]", 1069 RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict", 1070 ipaddr_string(ndo, obj_tptr+2), 1071 *(obj_tptr+6), 1072 bittok2str(rsvp_obj_rro_flag_values, 1073 "none", 1074 *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */ 1075 break; 1076 case RSVP_OBJ_XRO_LABEL: 1077 ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u", 1078 bittok2str(rsvp_obj_rro_label_flag_values, 1079 "none", 1080 *(obj_tptr+2)), 1081 *(obj_tptr+2), 1082 tok2str(rsvp_ctype_values, 1083 "Unknown", 1084 *(obj_tptr+3) + 256*RSVP_OBJ_RRO), 1085 *(obj_tptr+3), 1086 EXTRACT_32BITS(obj_tptr + 4))); 1087 } 1088 obj_tlen-=*(obj_tptr+1); 1089 obj_tptr+=*(obj_tptr+1); 1090 } 1091 break; 1092 default: 1093 hexdump=TRUE; 1094 } 1095 break; 1096 1097 case RSVP_OBJ_HELLO: 1098 switch(rsvp_obj_ctype) { 1099 case RSVP_CTYPE_1: 1100 case RSVP_CTYPE_2: 1101 if (obj_tlen < 8) 1102 return-1; 1103 ND_PRINT((ndo, "%s Source Instance: 0x%08x, Destination Instance: 0x%08x", 1104 ident, 1105 EXTRACT_32BITS(obj_tptr), 1106 EXTRACT_32BITS(obj_tptr + 4))); 1107 obj_tlen-=8; 1108 obj_tptr+=8; 1109 break; 1110 default: 1111 hexdump=TRUE; 1112 } 1113 break; 1114 1115 case RSVP_OBJ_RESTART_CAPABILITY: 1116 switch(rsvp_obj_ctype) { 1117 case RSVP_CTYPE_1: 1118 if (obj_tlen < 8) 1119 return-1; 1120 ND_PRINT((ndo, "%s Restart Time: %ums, Recovery Time: %ums", 1121 ident, 1122 EXTRACT_32BITS(obj_tptr), 1123 EXTRACT_32BITS(obj_tptr + 4))); 1124 obj_tlen-=8; 1125 obj_tptr+=8; 1126 break; 1127 default: 1128 hexdump=TRUE; 1129 } 1130 break; 1131 1132 case RSVP_OBJ_SESSION_ATTRIBUTE: 1133 switch(rsvp_obj_ctype) { 1134 case RSVP_CTYPE_TUNNEL_IPV4: 1135 if (obj_tlen < 4) 1136 return-1; 1137 namelen = *(obj_tptr+3); 1138 if (obj_tlen < 4+namelen) 1139 return-1; 1140 ND_PRINT((ndo, "%s Session Name: ", ident)); 1141 for (i = 0; i < namelen; i++) 1142 safeputchar(ndo, *(obj_tptr + 4 + i)); 1143 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)", 1144 ident, 1145 (int)*obj_tptr, 1146 (int)*(obj_tptr+1), 1147 bittok2str(rsvp_session_attribute_flag_values, 1148 "none", 1149 *(obj_tptr+2)), 1150 *(obj_tptr + 2))); 1151 obj_tlen-=4+*(obj_tptr+3); 1152 obj_tptr+=4+*(obj_tptr+3); 1153 break; 1154 default: 1155 hexdump=TRUE; 1156 } 1157 break; 1158 1159 case RSVP_OBJ_GENERALIZED_UNI: 1160 switch(rsvp_obj_ctype) { 1161 int subobj_type,af,subobj_len,total_subobj_len; 1162 1163 case RSVP_CTYPE_1: 1164 1165 if (obj_tlen < 4) 1166 return-1; 1167 1168 /* read variable length subobjects */ 1169 total_subobj_len = obj_tlen; 1170 while(total_subobj_len > 0) { 1171 subobj_len = EXTRACT_16BITS(obj_tptr); 1172 subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8; 1173 af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF; 1174 1175 ND_PRINT((ndo, "%s Subobject Type: %s (%u), AF: %s (%u), length: %u", 1176 ident, 1177 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type), 1178 subobj_type, 1179 tok2str(af_values, "Unknown", af), af, 1180 subobj_len)); 1181 1182 switch(subobj_type) { 1183 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS: 1184 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS: 1185 1186 switch(af) { 1187 case AFNUM_INET: 1188 if (subobj_len < 8) 1189 return -1; 1190 ND_PRINT((ndo, "%s UNI IPv4 TNA address: %s", 1191 ident, ipaddr_string(ndo, obj_tptr + 4))); 1192 break; 1193 #ifdef INET6 1194 case AFNUM_INET6: 1195 if (subobj_len < 20) 1196 return -1; 1197 ND_PRINT((ndo, "%s UNI IPv6 TNA address: %s", 1198 ident, ip6addr_string(ndo, obj_tptr + 4))); 1199 break; 1200 #endif 1201 case AFNUM_NSAP: 1202 if (subobj_len) { 1203 /* unless we have a TLV parser lets just hexdump */ 1204 hexdump=TRUE; 1205 } 1206 break; 1207 } 1208 break; 1209 1210 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY: 1211 if (subobj_len) { 1212 /* unless we have a TLV parser lets just hexdump */ 1213 hexdump=TRUE; 1214 } 1215 break; 1216 1217 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL: 1218 if (subobj_len < 16) { 1219 return -1; 1220 } 1221 1222 ND_PRINT((ndo, "%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u", 1223 ident, 1224 ((EXTRACT_32BITS(obj_tptr+4))>>31), 1225 ((EXTRACT_32BITS(obj_tptr+4))&0xFF), 1226 EXTRACT_32BITS(obj_tptr+8), 1227 EXTRACT_32BITS(obj_tptr + 12))); 1228 break; 1229 1230 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL: 1231 if (subobj_len < 8) { 1232 return -1; 1233 } 1234 1235 ND_PRINT((ndo, "%s Service level: %u", 1236 ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24)); 1237 break; 1238 1239 default: 1240 hexdump=TRUE; 1241 break; 1242 } 1243 total_subobj_len-=subobj_len; 1244 obj_tptr+=subobj_len; 1245 obj_tlen+=subobj_len; 1246 } 1247 1248 if (total_subobj_len) { 1249 /* unless we have a TLV parser lets just hexdump */ 1250 hexdump=TRUE; 1251 } 1252 break; 1253 1254 default: 1255 hexdump=TRUE; 1256 } 1257 break; 1258 1259 case RSVP_OBJ_RSVP_HOP: 1260 switch(rsvp_obj_ctype) { 1261 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */ 1262 case RSVP_CTYPE_IPV4: 1263 if (obj_tlen < 8) 1264 return-1; 1265 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", 1266 ident, 1267 ipaddr_string(ndo, obj_tptr), 1268 EXTRACT_32BITS(obj_tptr + 4))); 1269 obj_tlen-=8; 1270 obj_tptr+=8; 1271 if (obj_tlen) 1272 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */ 1273 break; 1274 #ifdef INET6 1275 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */ 1276 case RSVP_CTYPE_IPV6: 1277 if (obj_tlen < 20) 1278 return-1; 1279 ND_PRINT((ndo, "%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", 1280 ident, 1281 ip6addr_string(ndo, obj_tptr), 1282 EXTRACT_32BITS(obj_tptr + 16))); 1283 obj_tlen-=20; 1284 obj_tptr+=20; 1285 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */ 1286 break; 1287 #endif 1288 default: 1289 hexdump=TRUE; 1290 } 1291 break; 1292 1293 case RSVP_OBJ_TIME_VALUES: 1294 switch(rsvp_obj_ctype) { 1295 case RSVP_CTYPE_1: 1296 if (obj_tlen < 4) 1297 return-1; 1298 ND_PRINT((ndo, "%s Refresh Period: %ums", 1299 ident, 1300 EXTRACT_32BITS(obj_tptr))); 1301 obj_tlen-=4; 1302 obj_tptr+=4; 1303 break; 1304 default: 1305 hexdump=TRUE; 1306 } 1307 break; 1308 1309 /* those three objects do share the same semantics */ 1310 case RSVP_OBJ_SENDER_TSPEC: 1311 case RSVP_OBJ_ADSPEC: 1312 case RSVP_OBJ_FLOWSPEC: 1313 switch(rsvp_obj_ctype) { 1314 case RSVP_CTYPE_2: 1315 if (obj_tlen < 4) 1316 return-1; 1317 ND_PRINT((ndo, "%s Msg-Version: %u, length: %u", 1318 ident, 1319 (*obj_tptr & 0xf0) >> 4, 1320 EXTRACT_16BITS(obj_tptr + 2) << 2)); 1321 obj_tptr+=4; /* get to the start of the service header */ 1322 obj_tlen-=4; 1323 1324 while (obj_tlen >= 4) { 1325 intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2; 1326 ND_PRINT((ndo, "%s Service Type: %s (%u), break bit %s set, Service length: %u", 1327 ident, 1328 tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)), 1329 *(obj_tptr), 1330 (*(obj_tptr+1)&0x80) ? "" : "not", 1331 intserv_serv_tlen)); 1332 1333 obj_tptr+=4; /* get to the start of the parameter list */ 1334 obj_tlen-=4; 1335 1336 while (intserv_serv_tlen>=4) { 1337 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen); 1338 if (processed == 0) 1339 break; 1340 obj_tlen-=processed; 1341 intserv_serv_tlen-=processed; 1342 obj_tptr+=processed; 1343 } 1344 } 1345 break; 1346 default: 1347 hexdump=TRUE; 1348 } 1349 break; 1350 1351 case RSVP_OBJ_FILTERSPEC: 1352 switch(rsvp_obj_ctype) { 1353 case RSVP_CTYPE_IPV4: 1354 if (obj_tlen < 8) 1355 return-1; 1356 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", 1357 ident, 1358 ipaddr_string(ndo, obj_tptr), 1359 EXTRACT_16BITS(obj_tptr + 6))); 1360 obj_tlen-=8; 1361 obj_tptr+=8; 1362 break; 1363 #ifdef INET6 1364 case RSVP_CTYPE_IPV6: 1365 if (obj_tlen < 20) 1366 return-1; 1367 ND_PRINT((ndo, "%s Source Address: %s, Source Port: %u", 1368 ident, 1369 ip6addr_string(ndo, obj_tptr), 1370 EXTRACT_16BITS(obj_tptr + 18))); 1371 obj_tlen-=20; 1372 obj_tptr+=20; 1373 break; 1374 case RSVP_CTYPE_3: 1375 if (obj_tlen < 20) 1376 return-1; 1377 ND_PRINT((ndo, "%s Source Address: %s, Flow Label: %u", 1378 ident, 1379 ip6addr_string(ndo, obj_tptr), 1380 EXTRACT_24BITS(obj_tptr + 17))); 1381 obj_tlen-=20; 1382 obj_tptr+=20; 1383 break; 1384 case RSVP_CTYPE_TUNNEL_IPV6: 1385 if (obj_tlen < 20) 1386 return-1; 1387 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x", 1388 ident, 1389 ipaddr_string(ndo, obj_tptr), 1390 EXTRACT_16BITS(obj_tptr + 18))); 1391 obj_tlen-=20; 1392 obj_tptr+=20; 1393 break; 1394 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */ 1395 if (obj_tlen < 40) 1396 return-1; 1397 ND_PRINT((ndo, "%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x" 1398 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", 1399 ident, 1400 ip6addr_string(ndo, obj_tptr), 1401 EXTRACT_16BITS(obj_tptr+18), 1402 ident, 1403 ip6addr_string(ndo, obj_tptr+20), 1404 EXTRACT_16BITS(obj_tptr + 38))); 1405 obj_tlen-=40; 1406 obj_tptr+=40; 1407 break; 1408 #endif 1409 case RSVP_CTYPE_TUNNEL_IPV4: 1410 if (obj_tlen < 8) 1411 return-1; 1412 ND_PRINT((ndo, "%s Source Address: %s, LSP-ID: 0x%04x", 1413 ident, 1414 ipaddr_string(ndo, obj_tptr), 1415 EXTRACT_16BITS(obj_tptr + 6))); 1416 obj_tlen-=8; 1417 obj_tptr+=8; 1418 break; 1419 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */ 1420 if (obj_tlen < 16) 1421 return-1; 1422 ND_PRINT((ndo, "%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x" 1423 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", 1424 ident, 1425 ipaddr_string(ndo, obj_tptr), 1426 EXTRACT_16BITS(obj_tptr+6), 1427 ident, 1428 ipaddr_string(ndo, obj_tptr+8), 1429 EXTRACT_16BITS(obj_tptr + 12))); 1430 obj_tlen-=16; 1431 obj_tptr+=16; 1432 break; 1433 default: 1434 hexdump=TRUE; 1435 } 1436 break; 1437 1438 case RSVP_OBJ_FASTREROUTE: 1439 /* the differences between c-type 1 and 7 are minor */ 1440 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr; 1441 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth); 1442 1443 switch(rsvp_obj_ctype) { 1444 case RSVP_CTYPE_1: /* new style */ 1445 if (obj_tlen < sizeof(struct rsvp_obj_frr_t)) 1446 return-1; 1447 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", 1448 ident, 1449 (int)obj_ptr.rsvp_obj_frr->setup_prio, 1450 (int)obj_ptr.rsvp_obj_frr->hold_prio, 1451 (int)obj_ptr.rsvp_obj_frr->hop_limit, 1452 bw.f * 8 / 1000000)); 1453 ND_PRINT((ndo, "%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x", 1454 ident, 1455 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any), 1456 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any), 1457 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all))); 1458 obj_tlen-=sizeof(struct rsvp_obj_frr_t); 1459 obj_tptr+=sizeof(struct rsvp_obj_frr_t); 1460 break; 1461 1462 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */ 1463 if (obj_tlen < 16) 1464 return-1; 1465 ND_PRINT((ndo, "%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", 1466 ident, 1467 (int)obj_ptr.rsvp_obj_frr->setup_prio, 1468 (int)obj_ptr.rsvp_obj_frr->hold_prio, 1469 (int)obj_ptr.rsvp_obj_frr->hop_limit, 1470 bw.f * 8 / 1000000)); 1471 ND_PRINT((ndo, "%s Include Colors: 0x%08x, Exclude Colors: 0x%08x", 1472 ident, 1473 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any), 1474 EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any))); 1475 obj_tlen-=16; 1476 obj_tptr+=16; 1477 break; 1478 1479 default: 1480 hexdump=TRUE; 1481 } 1482 break; 1483 1484 case RSVP_OBJ_DETOUR: 1485 switch(rsvp_obj_ctype) { 1486 case RSVP_CTYPE_TUNNEL_IPV4: 1487 while(obj_tlen >= 8) { 1488 ND_PRINT((ndo, "%s PLR-ID: %s, Avoid-Node-ID: %s", 1489 ident, 1490 ipaddr_string(ndo, obj_tptr), 1491 ipaddr_string(ndo, obj_tptr + 4))); 1492 obj_tlen-=8; 1493 obj_tptr+=8; 1494 } 1495 break; 1496 default: 1497 hexdump=TRUE; 1498 } 1499 break; 1500 1501 case RSVP_OBJ_CLASSTYPE: 1502 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */ 1503 switch(rsvp_obj_ctype) { 1504 case RSVP_CTYPE_1: 1505 ND_PRINT((ndo, "%s CT: %u", 1506 ident, 1507 EXTRACT_32BITS(obj_tptr) & 0x7)); 1508 obj_tlen-=4; 1509 obj_tptr+=4; 1510 break; 1511 default: 1512 hexdump=TRUE; 1513 } 1514 break; 1515 1516 case RSVP_OBJ_ERROR_SPEC: 1517 switch(rsvp_obj_ctype) { 1518 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */ 1519 case RSVP_CTYPE_IPV4: 1520 if (obj_tlen < 8) 1521 return-1; 1522 error_code=*(obj_tptr+5); 1523 error_value=EXTRACT_16BITS(obj_tptr+6); 1524 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", 1525 ident, 1526 ipaddr_string(ndo, obj_tptr), 1527 *(obj_tptr+4), 1528 ident, 1529 tok2str(rsvp_obj_error_code_values,"unknown",error_code), 1530 error_code)); 1531 switch (error_code) { 1532 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING: 1533 ND_PRINT((ndo, ", Error Value: %s (%u)", 1534 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value), 1535 error_value)); 1536 break; 1537 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */ 1538 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD: 1539 ND_PRINT((ndo, ", Error Value: %s (%u)", 1540 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value), 1541 error_value)); 1542 break; 1543 default: 1544 ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value)); 1545 break; 1546 } 1547 obj_tlen-=8; 1548 obj_tptr+=8; 1549 break; 1550 #ifdef INET6 1551 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */ 1552 case RSVP_CTYPE_IPV6: 1553 if (obj_tlen < 20) 1554 return-1; 1555 error_code=*(obj_tptr+17); 1556 error_value=EXTRACT_16BITS(obj_tptr+18); 1557 ND_PRINT((ndo, "%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", 1558 ident, 1559 ip6addr_string(ndo, obj_tptr), 1560 *(obj_tptr+16), 1561 ident, 1562 tok2str(rsvp_obj_error_code_values,"unknown",error_code), 1563 error_code)); 1564 1565 switch (error_code) { 1566 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING: 1567 ND_PRINT((ndo, ", Error Value: %s (%u)", 1568 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value), 1569 error_value)); 1570 break; 1571 default: 1572 break; 1573 } 1574 obj_tlen-=20; 1575 obj_tptr+=20; 1576 break; 1577 #endif 1578 default: 1579 hexdump=TRUE; 1580 } 1581 break; 1582 1583 case RSVP_OBJ_PROPERTIES: 1584 switch(rsvp_obj_ctype) { 1585 case RSVP_CTYPE_1: 1586 if (obj_tlen < 4) 1587 return-1; 1588 padbytes = EXTRACT_16BITS(obj_tptr+2); 1589 ND_PRINT((ndo, "%s TLV count: %u, padding bytes: %u", 1590 ident, 1591 EXTRACT_16BITS(obj_tptr), 1592 padbytes)); 1593 obj_tlen-=4; 1594 obj_tptr+=4; 1595 /* loop through as long there is anything longer than the TLV header (2) */ 1596 while(obj_tlen >= 2 + padbytes) { 1597 ND_PRINT((ndo, "%s %s TLV (0x%02x), length: %u", /* length includes header */ 1598 ident, 1599 tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr), 1600 *obj_tptr, 1601 *(obj_tptr + 1))); 1602 if (obj_tlen < *(obj_tptr+1)) 1603 return-1; 1604 if (*(obj_tptr+1) < 2) 1605 return -1; 1606 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2); 1607 obj_tlen-=*(obj_tptr+1); 1608 obj_tptr+=*(obj_tptr+1); 1609 } 1610 break; 1611 default: 1612 hexdump=TRUE; 1613 } 1614 break; 1615 1616 case RSVP_OBJ_MESSAGE_ID: /* fall through */ 1617 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */ 1618 case RSVP_OBJ_MESSAGE_ID_LIST: 1619 switch(rsvp_obj_ctype) { 1620 case RSVP_CTYPE_1: 1621 case RSVP_CTYPE_2: 1622 if (obj_tlen < 8) 1623 return-1; 1624 ND_PRINT((ndo, "%s Flags [0x%02x], epoch: %u", 1625 ident, 1626 *obj_tptr, 1627 EXTRACT_24BITS(obj_tptr + 1))); 1628 obj_tlen-=4; 1629 obj_tptr+=4; 1630 /* loop through as long there are no messages left */ 1631 while(obj_tlen >= 4) { 1632 ND_PRINT((ndo, "%s Message-ID 0x%08x (%u)", 1633 ident, 1634 EXTRACT_32BITS(obj_tptr), 1635 EXTRACT_32BITS(obj_tptr))); 1636 obj_tlen-=4; 1637 obj_tptr+=4; 1638 } 1639 break; 1640 default: 1641 hexdump=TRUE; 1642 } 1643 break; 1644 1645 case RSVP_OBJ_INTEGRITY: 1646 switch(rsvp_obj_ctype) { 1647 case RSVP_CTYPE_1: 1648 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t)) 1649 return-1; 1650 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr; 1651 ND_PRINT((ndo, "%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]", 1652 ident, 1653 EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id), 1654 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2), 1655 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence), 1656 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4), 1657 bittok2str(rsvp_obj_integrity_flag_values, 1658 "none", 1659 obj_ptr.rsvp_obj_integrity->flags))); 1660 ND_PRINT((ndo, "%s MD5-sum 0x%08x%08x%08x%08x ", 1661 ident, 1662 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest), 1663 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4), 1664 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8), 1665 EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12))); 1666 1667 #ifdef HAVE_LIBCRYPTO 1668 sigcheck = signature_verify(ndo, pptr, plen, (unsigned char *)obj_ptr.\ 1669 rsvp_obj_integrity->digest); 1670 #else 1671 sigcheck = CANT_CHECK_SIGNATURE; 1672 #endif 1673 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck))); 1674 1675 obj_tlen+=sizeof(struct rsvp_obj_integrity_t); 1676 obj_tptr+=sizeof(struct rsvp_obj_integrity_t); 1677 break; 1678 default: 1679 hexdump=TRUE; 1680 } 1681 break; 1682 1683 case RSVP_OBJ_ADMIN_STATUS: 1684 switch(rsvp_obj_ctype) { 1685 case RSVP_CTYPE_1: 1686 if (obj_tlen < 4) 1687 return-1; 1688 ND_PRINT((ndo, "%s Flags [%s]", ident, 1689 bittok2str(rsvp_obj_admin_status_flag_values, "none", 1690 EXTRACT_32BITS(obj_tptr)))); 1691 obj_tlen-=4; 1692 obj_tptr+=4; 1693 break; 1694 default: 1695 hexdump=TRUE; 1696 } 1697 break; 1698 1699 case RSVP_OBJ_LABEL_SET: 1700 switch(rsvp_obj_ctype) { 1701 case RSVP_CTYPE_1: 1702 if (obj_tlen < 4) 1703 return-1; 1704 action = (EXTRACT_16BITS(obj_tptr)>>8); 1705 1706 ND_PRINT((ndo, "%s Action: %s (%u), Label type: %u", ident, 1707 tok2str(rsvp_obj_label_set_action_values, "Unknown", action), 1708 action, ((EXTRACT_32BITS(obj_tptr) & 0x7F)))); 1709 1710 switch (action) { 1711 case LABEL_SET_INCLUSIVE_RANGE: 1712 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */ 1713 1714 /* only a couple of subchannels are expected */ 1715 if (obj_tlen < 12) 1716 return -1; 1717 ND_PRINT((ndo, "%s Start range: %u, End range: %u", ident, 1718 EXTRACT_32BITS(obj_tptr+4), 1719 EXTRACT_32BITS(obj_tptr + 8))); 1720 obj_tlen-=12; 1721 obj_tptr+=12; 1722 break; 1723 1724 default: 1725 obj_tlen-=4; 1726 obj_tptr+=4; 1727 subchannel = 1; 1728 while(obj_tlen >= 4 ) { 1729 ND_PRINT((ndo, "%s Subchannel #%u: %u", ident, subchannel, 1730 EXTRACT_32BITS(obj_tptr))); 1731 obj_tptr+=4; 1732 obj_tlen-=4; 1733 subchannel++; 1734 } 1735 break; 1736 } 1737 break; 1738 default: 1739 hexdump=TRUE; 1740 } 1741 1742 case RSVP_OBJ_S2L: 1743 switch (rsvp_obj_ctype) { 1744 case RSVP_CTYPE_IPV4: 1745 if (obj_tlen < 4) 1746 return-1; 1747 ND_PRINT((ndo, "%s Sub-LSP destination address: %s", 1748 ident, ipaddr_string(ndo, obj_tptr))); 1749 1750 obj_tlen-=4; 1751 obj_tptr+=4; 1752 break; 1753 #ifdef INET6 1754 case RSVP_CTYPE_IPV6: 1755 if (obj_tlen < 16) 1756 return-1; 1757 ND_PRINT((ndo, "%s Sub-LSP destination address: %s", 1758 ident, ip6addr_string(ndo, obj_tptr))); 1759 1760 obj_tlen-=16; 1761 obj_tptr+=16; 1762 break; 1763 #endif 1764 default: 1765 hexdump=TRUE; 1766 } 1767 1768 /* 1769 * FIXME those are the defined objects that lack a decoder 1770 * you are welcome to contribute code ;-) 1771 */ 1772 1773 case RSVP_OBJ_SCOPE: 1774 case RSVP_OBJ_POLICY_DATA: 1775 case RSVP_OBJ_ACCEPT_LABEL_SET: 1776 case RSVP_OBJ_PROTECTION: 1777 default: 1778 if (ndo->ndo_vflag <= 1) 1779 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */ 1780 break; 1781 } 1782 /* do we also want to see a hex dump ? */ 1783 if (ndo->ndo_vflag > 1 || hexdump == TRUE) 1784 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */ 1785 rsvp_obj_len - sizeof(struct rsvp_object_header)); 1786 1787 tptr+=rsvp_obj_len; 1788 tlen-=rsvp_obj_len; 1789 } 1790 return 0; 1791 trunc: 1792 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot")); 1793 return -1; 1794 } 1795 1796 void 1797 rsvp_print(netdissect_options *ndo, 1798 register const u_char *pptr, register u_int len) 1799 { 1800 struct rsvp_common_header *rsvp_com_header; 1801 const u_char *tptr,*subtptr; 1802 u_short plen, tlen, subtlen; 1803 1804 tptr=pptr; 1805 1806 rsvp_com_header = (struct rsvp_common_header *)pptr; 1807 ND_TCHECK(*rsvp_com_header); 1808 1809 /* 1810 * Sanity checking of the header. 1811 */ 1812 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) { 1813 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported", 1814 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags))); 1815 return; 1816 } 1817 1818 /* in non-verbose mode just lets print the basic Message Type*/ 1819 if (ndo->ndo_vflag < 1) { 1820 ND_PRINT((ndo, "RSVPv%u %s Message, length: %u", 1821 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), 1822 tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type), 1823 len)); 1824 return; 1825 } 1826 1827 /* ok they seem to want to know everything - lets fully decode it */ 1828 1829 plen = tlen = EXTRACT_16BITS(rsvp_com_header->length); 1830 1831 ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", 1832 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), 1833 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type), 1834 rsvp_com_header->msg_type, 1835 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)), 1836 tlen, 1837 rsvp_com_header->ttl, 1838 EXTRACT_16BITS(rsvp_com_header->checksum))); 1839 1840 /* 1841 * Clear checksum prior to signature verification. 1842 */ 1843 rsvp_com_header->checksum[0] = 0; 1844 rsvp_com_header->checksum[1] = 0; 1845 1846 if (tlen < sizeof(const struct rsvp_common_header)) { 1847 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen, 1848 (unsigned long)sizeof(const struct rsvp_common_header))); 1849 return; 1850 } 1851 1852 tptr+=sizeof(const struct rsvp_common_header); 1853 tlen-=sizeof(const struct rsvp_common_header); 1854 1855 switch(rsvp_com_header->msg_type) { 1856 1857 case RSVP_MSGTYPE_AGGREGATE: 1858 while(tlen > 0) { 1859 subtptr=tptr; 1860 rsvp_com_header = (struct rsvp_common_header *)subtptr; 1861 ND_TCHECK(*rsvp_com_header); 1862 1863 /* 1864 * Sanity checking of the header. 1865 */ 1866 if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) { 1867 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported", 1868 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags))); 1869 return; 1870 } 1871 subtlen=EXTRACT_16BITS(rsvp_com_header->length); 1872 1873 ND_PRINT((ndo, "\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", 1874 RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), 1875 tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type), 1876 rsvp_com_header->msg_type, 1877 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)), 1878 subtlen, 1879 rsvp_com_header->ttl, 1880 EXTRACT_16BITS(rsvp_com_header->checksum))); 1881 1882 /* 1883 * Clear checksum prior to signature verification. 1884 */ 1885 rsvp_com_header->checksum[0] = 0; 1886 rsvp_com_header->checksum[1] = 0; 1887 1888 if (subtlen < sizeof(const struct rsvp_common_header)) { 1889 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen, 1890 (unsigned long)sizeof(const struct rsvp_common_header))); 1891 return; 1892 } 1893 1894 if (tlen < subtlen) { 1895 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen, 1896 tlen)); 1897 return; 1898 } 1899 1900 subtptr+=sizeof(const struct rsvp_common_header); 1901 subtlen-=sizeof(const struct rsvp_common_header); 1902 1903 if (rsvp_obj_print(ndo, pptr, plen, subtptr, "\n\t ", subtlen) == -1) 1904 return; 1905 1906 tptr+=subtlen+sizeof(const struct rsvp_common_header); 1907 tlen-=subtlen+sizeof(const struct rsvp_common_header); 1908 } 1909 1910 break; 1911 1912 case RSVP_MSGTYPE_PATH: 1913 case RSVP_MSGTYPE_RESV: 1914 case RSVP_MSGTYPE_PATHERR: 1915 case RSVP_MSGTYPE_RESVERR: 1916 case RSVP_MSGTYPE_PATHTEAR: 1917 case RSVP_MSGTYPE_RESVTEAR: 1918 case RSVP_MSGTYPE_RESVCONF: 1919 case RSVP_MSGTYPE_HELLO_OLD: 1920 case RSVP_MSGTYPE_HELLO: 1921 case RSVP_MSGTYPE_ACK: 1922 case RSVP_MSGTYPE_SREFRESH: 1923 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen) == -1) 1924 return; 1925 break; 1926 1927 default: 1928 print_unknown_data(ndo, tptr, "\n\t ", tlen); 1929 break; 1930 } 1931 1932 return; 1933 trunc: 1934 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot")); 1935 } 1936
