print-rsvp.c revision 1.12
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) gredler.at) 16 */ 17 18 #include <sys/cdefs.h> 19 #ifndef lint 20 __RCSID("$NetBSD: print-rsvp.c,v 1.12 2023/08/17 20:19:40 christos Exp $"); 21 #endif 22 23 /* \summary: Resource ReSerVation Protocol (RSVP) printer */ 24 25 /* specification: RFC 2205 */ 26 27 #ifdef HAVE_CONFIG_H 28 #include <config.h> 29 #endif 30 31 #include "netdissect-stdinc.h" 32 33 #include "netdissect.h" 34 #include "extract.h" 35 #include "addrtoname.h" 36 #include "ethertype.h" 37 #include "gmpls.h" 38 #include "af.h" 39 #include "signature.h" 40 41 42 /* 43 * RFC 2205 common header 44 * 45 * 0 1 2 3 46 * +-------------+-------------+-------------+-------------+ 47 * | Vers | Flags| Msg Type | RSVP Checksum | 48 * +-------------+-------------+-------------+-------------+ 49 * | Send_TTL | (Reserved) | RSVP Length | 50 * +-------------+-------------+-------------+-------------+ 51 * 52 */ 53 54 struct rsvp_common_header { 55 nd_uint8_t version_flags; 56 nd_uint8_t msg_type; 57 nd_uint16_t checksum; 58 nd_uint8_t ttl; 59 nd_byte reserved[1]; 60 nd_uint16_t length; 61 }; 62 63 /* 64 * RFC2205 object header 65 * 66 * 67 * 0 1 2 3 68 * +-------------+-------------+-------------+-------------+ 69 * | Length (bytes) | Class-Num | C-Type | 70 * +-------------+-------------+-------------+-------------+ 71 * | | 72 * // (Object contents) // 73 * | | 74 * +-------------+-------------+-------------+-------------+ 75 */ 76 77 struct rsvp_object_header { 78 nd_uint16_t length; 79 nd_uint8_t class_num; 80 nd_uint8_t ctype; 81 }; 82 83 #define RSVP_VERSION 1 84 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4) 85 #define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f) 86 87 #define RSVP_MSGTYPE_PATH 1 88 #define RSVP_MSGTYPE_RESV 2 89 #define RSVP_MSGTYPE_PATHERR 3 90 #define RSVP_MSGTYPE_RESVERR 4 91 #define RSVP_MSGTYPE_PATHTEAR 5 92 #define RSVP_MSGTYPE_RESVTEAR 6 93 #define RSVP_MSGTYPE_RESVCONF 7 94 #define RSVP_MSGTYPE_BUNDLE 12 95 #define RSVP_MSGTYPE_ACK 13 96 #define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */ 97 #define RSVP_MSGTYPE_SREFRESH 15 98 #define RSVP_MSGTYPE_HELLO 20 99 100 static const struct tok rsvp_msg_type_values[] = { 101 { RSVP_MSGTYPE_PATH, "Path" }, 102 { RSVP_MSGTYPE_RESV, "Resv" }, 103 { RSVP_MSGTYPE_PATHERR, "PathErr" }, 104 { RSVP_MSGTYPE_RESVERR, "ResvErr" }, 105 { RSVP_MSGTYPE_PATHTEAR, "PathTear" }, 106 { RSVP_MSGTYPE_RESVTEAR, "ResvTear" }, 107 { RSVP_MSGTYPE_RESVCONF, "ResvConf" }, 108 { RSVP_MSGTYPE_BUNDLE, "Bundle" }, 109 { RSVP_MSGTYPE_ACK, "Acknowledgement" }, 110 { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" }, 111 { RSVP_MSGTYPE_SREFRESH, "Refresh" }, 112 { RSVP_MSGTYPE_HELLO, "Hello" }, 113 { 0, NULL} 114 }; 115 116 static const struct tok rsvp_header_flag_values[] = { 117 { 0x01, "Refresh reduction capable" }, /* rfc2961 */ 118 { 0, NULL} 119 }; 120 121 static const struct tok rsvp_obj_capability_flag_values[] = { 122 { 0x0004, "RecoveryPath Transmit Enabled" }, 123 { 0x0002, "RecoveryPath Desired" }, 124 { 0x0001, "RecoveryPath Srefresh Capable" }, 125 { 0, NULL} 126 }; 127 128 #define RSVP_OBJ_SESSION 1 /* rfc2205 */ 129 #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */ 130 #define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */ 131 #define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */ 132 #define RSVP_OBJ_ERROR_SPEC 6 133 #define RSVP_OBJ_SCOPE 7 134 #define RSVP_OBJ_STYLE 8 /* rfc2205 */ 135 #define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */ 136 #define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */ 137 #define RSVP_OBJ_SENDER_TEMPLATE 11 138 #define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */ 139 #define RSVP_OBJ_ADSPEC 13 /* rfc2215 */ 140 #define RSVP_OBJ_POLICY_DATA 14 141 #define RSVP_OBJ_CONFIRM 15 /* rfc2205 */ 142 #define RSVP_OBJ_LABEL 16 /* rfc3209 */ 143 #define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */ 144 #define RSVP_OBJ_ERO 20 /* rfc3209 */ 145 #define RSVP_OBJ_RRO 21 /* rfc3209 */ 146 #define RSVP_OBJ_HELLO 22 /* rfc3209 */ 147 #define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */ 148 #define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */ 149 #define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */ 150 #define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */ 151 #define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */ 152 #define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */ 153 #define RSVP_OBJ_PROTECTION 37 /* rfc3473 */ 154 #define RSVP_OBJ_S2L 50 /* rfc4875 */ 155 #define RSVP_OBJ_DETOUR 63 /* rfc4090 */ 156 #define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */ 157 #define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */ 158 #define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */ 159 #define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */ 160 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */ 161 #define RSVP_OBJ_CAPABILITY 134 /* rfc5063 */ 162 #define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */ 163 #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */ 164 #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */ 165 #define RSVP_OBJ_FASTREROUTE 205 /* rfc4090 */ 166 #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */ 167 #define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */ 168 #define RSVP_OBJ_CALL_ID 230 /* rfc3474 */ 169 #define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */ 170 171 static const struct tok rsvp_obj_values[] = { 172 { RSVP_OBJ_SESSION, "Session" }, 173 { RSVP_OBJ_RSVP_HOP, "RSVP Hop" }, 174 { RSVP_OBJ_INTEGRITY, "Integrity" }, 175 { RSVP_OBJ_TIME_VALUES, "Time Values" }, 176 { RSVP_OBJ_ERROR_SPEC, "Error Spec" }, 177 { RSVP_OBJ_SCOPE, "Scope" }, 178 { RSVP_OBJ_STYLE, "Style" }, 179 { RSVP_OBJ_FLOWSPEC, "Flowspec" }, 180 { RSVP_OBJ_FILTERSPEC, "FilterSpec" }, 181 { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" }, 182 { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" }, 183 { RSVP_OBJ_ADSPEC, "Adspec" }, 184 { RSVP_OBJ_POLICY_DATA, "Policy Data" }, 185 { RSVP_OBJ_CONFIRM, "Confirm" }, 186 { RSVP_OBJ_LABEL, "Label" }, 187 { RSVP_OBJ_LABEL_REQ, "Label Request" }, 188 { RSVP_OBJ_ERO, "ERO" }, 189 { RSVP_OBJ_RRO, "RRO" }, 190 { RSVP_OBJ_HELLO, "Hello" }, 191 { RSVP_OBJ_MESSAGE_ID, "Message ID" }, 192 { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" }, 193 { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" }, 194 { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" }, 195 { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" }, 196 { RSVP_OBJ_LABEL_SET, "Label Set" }, 197 { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" }, 198 { RSVP_OBJ_DETOUR, "Detour" }, 199 { RSVP_OBJ_CLASSTYPE, "Class Type" }, 200 { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" }, 201 { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" }, 202 { RSVP_OBJ_PROPERTIES, "Properties" }, 203 { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" }, 204 { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" }, 205 { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" }, 206 { RSVP_OBJ_CALL_ID, "Call-ID" }, 207 { RSVP_OBJ_CALL_OPS, "Call Capability" }, 208 { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" }, 209 { RSVP_OBJ_CAPABILITY, "Capability" }, 210 { RSVP_OBJ_NOTIFY_REQ, "Notify Request" }, 211 { RSVP_OBJ_PROTECTION, "Protection" }, 212 { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" }, 213 { RSVP_OBJ_S2L, "Sub-LSP to LSP" }, 214 { 0, NULL} 215 }; 216 217 #define RSVP_CTYPE_IPV4 1 218 #define RSVP_CTYPE_IPV6 2 219 #define RSVP_CTYPE_TUNNEL_IPV4 7 220 #define RSVP_CTYPE_TUNNEL_IPV6 8 221 #define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */ 222 #define RSVP_CTYPE_1 1 223 #define RSVP_CTYPE_2 2 224 #define RSVP_CTYPE_3 3 225 #define RSVP_CTYPE_4 4 226 #define RSVP_CTYPE_12 12 227 #define RSVP_CTYPE_13 13 228 #define RSVP_CTYPE_14 14 229 230 /* 231 * the ctypes are not globally unique so for 232 * translating it to strings we build a table based 233 * on objects offsetted by the ctype 234 */ 235 236 static const struct tok rsvp_ctype_values[] = { 237 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" }, 238 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" }, 239 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" }, 240 { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" }, 241 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" }, 242 { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" }, 243 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" }, 244 { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" }, 245 { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" }, 246 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" }, 247 { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" }, 248 { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" }, 249 { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" }, 250 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" }, 251 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" }, 252 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" }, 253 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, 254 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" }, 255 { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" }, 256 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" }, 257 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" }, 258 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, 259 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" }, 260 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" }, 261 { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" }, 262 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" }, 263 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" }, 264 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, 265 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" }, 266 { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" }, 267 { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" }, 268 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" }, 269 { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" }, 270 { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" }, 271 { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" }, 272 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" }, 273 { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" }, 274 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" }, 275 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" }, 276 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" }, 277 { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" }, 278 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" }, 279 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" }, 280 { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, 281 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" }, 282 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" }, 283 { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, 284 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" }, 285 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" }, 286 { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, 287 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" }, 288 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" }, 289 { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" }, 290 { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" }, 291 { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" }, 292 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" }, 293 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" }, 294 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" }, 295 { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" }, 296 { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" }, 297 { 256*RSVP_OBJ_CAPABILITY+RSVP_CTYPE_1, "1" }, 298 { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, 299 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/ 300 { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */ 301 { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, 302 { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" }, 303 { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" }, 304 { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" }, 305 { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" }, 306 { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" }, 307 { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" }, 308 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" }, 309 { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" }, 310 { 0, NULL} 311 }; 312 313 /* 314 * XXX - this assumes a 16-byte digest, which is true for HMAC-MD5, but 315 * isn't necessarily the case for other hash algorithms. 316 * 317 * Unless I've missed something, there's nothing in RFC 2747 to indicate 318 * the hash algorithm being used, so it's presumably something set up 319 * out-of-band, or negotiated by other RSVP objects. 320 */ 321 struct rsvp_obj_integrity_t { 322 uint8_t flags; 323 uint8_t res; 324 uint8_t key_id[6]; 325 uint8_t sequence[8]; 326 uint8_t digest[16]; 327 }; 328 329 static const struct tok rsvp_obj_integrity_flag_values[] = { 330 { 0x80, "Handshake" }, 331 { 0, NULL} 332 }; 333 334 struct rsvp_obj_frr_t { 335 uint8_t setup_prio; 336 uint8_t hold_prio; 337 uint8_t hop_limit; 338 uint8_t flags; 339 uint8_t bandwidth[4]; 340 uint8_t include_any[4]; 341 uint8_t exclude_any[4]; 342 uint8_t include_all[4]; 343 }; 344 345 346 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f) 347 #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80) 348 349 #define RSVP_OBJ_CAPABILITY_FLAGS_MASK 0x7U 350 351 #define RSVP_OBJ_XRO_RES 0 352 #define RSVP_OBJ_XRO_IPV4 1 353 #define RSVP_OBJ_XRO_IPV6 2 354 #define RSVP_OBJ_XRO_LABEL 3 355 #define RSVP_OBJ_XRO_ASN 32 356 #define RSVP_OBJ_XRO_MPLS 64 357 358 static const struct tok rsvp_obj_xro_values[] = { 359 { RSVP_OBJ_XRO_RES, "Reserved" }, 360 { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" }, 361 { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" }, 362 { RSVP_OBJ_XRO_LABEL, "Label" }, 363 { RSVP_OBJ_XRO_ASN, "Autonomous system number" }, 364 { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" }, 365 { 0, NULL} 366 }; 367 368 /* RFC4090 */ 369 static const struct tok rsvp_obj_rro_flag_values[] = { 370 { 0x01, "Local protection available" }, 371 { 0x02, "Local protection in use" }, 372 { 0x04, "Bandwidth protection" }, 373 { 0x08, "Node protection" }, 374 { 0, NULL} 375 }; 376 377 /* RFC3209 */ 378 static const struct tok rsvp_obj_rro_label_flag_values[] = { 379 { 0x01, "Global" }, 380 { 0, NULL} 381 }; 382 383 static const struct tok rsvp_resstyle_values[] = { 384 { 17, "Wildcard Filter" }, 385 { 10, "Fixed Filter" }, 386 { 18, "Shared Explicit" }, 387 { 0, NULL} 388 }; 389 390 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2 391 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5 392 393 static const struct tok rsvp_intserv_service_type_values[] = { 394 { 1, "Default/Global Information" }, 395 { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" }, 396 { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" }, 397 { 0, NULL} 398 }; 399 400 static const struct tok rsvp_intserv_parameter_id_values[] = { 401 { 4, "IS hop cnt" }, 402 { 6, "Path b/w estimate" }, 403 { 8, "Minimum path latency" }, 404 { 10, "Composed MTU" }, 405 { 127, "Token Bucket TSpec" }, 406 { 130, "Guaranteed Service RSpec" }, 407 { 133, "End-to-end composed value for C" }, 408 { 134, "End-to-end composed value for D" }, 409 { 135, "Since-last-reshaping point composed C" }, 410 { 136, "Since-last-reshaping point composed D" }, 411 { 0, NULL} 412 }; 413 414 static const struct tok rsvp_session_attribute_flag_values[] = { 415 { 0x01, "Local Protection" }, 416 { 0x02, "Label Recording" }, 417 { 0x04, "SE Style" }, 418 { 0x08, "Bandwidth protection" }, /* RFC4090 */ 419 { 0x10, "Node protection" }, /* RFC4090 */ 420 { 0, NULL} 421 }; 422 423 static const struct tok rsvp_obj_prop_tlv_values[] = { 424 { 0x01, "Cos" }, 425 { 0x02, "Metric 1" }, 426 { 0x04, "Metric 2" }, 427 { 0x08, "CCC Status" }, 428 { 0x10, "Path Type" }, 429 { 0, NULL} 430 }; 431 432 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24 433 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25 434 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28 435 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125 436 437 static const struct tok rsvp_obj_error_code_values[] = { 438 { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" }, 439 { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" }, 440 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" }, 441 { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" }, 442 { 0, NULL} 443 }; 444 445 static const struct tok rsvp_obj_error_code_routing_values[] = { 446 { 1, "Bad EXPLICIT_ROUTE object" }, 447 { 2, "Bad strict node" }, 448 { 3, "Bad loose node" }, 449 { 4, "Bad initial subobject" }, 450 { 5, "No route available toward destination" }, 451 { 6, "Unacceptable label value" }, 452 { 7, "RRO indicated routing loops" }, 453 { 8, "non-RSVP-capable router in the path" }, 454 { 9, "MPLS label allocation failure" }, 455 { 10, "Unsupported L3PID" }, 456 { 0, NULL} 457 }; 458 459 static const struct tok rsvp_obj_error_code_diffserv_te_values[] = { 460 { 1, "Unexpected CT object" }, 461 { 2, "Unsupported CT" }, 462 { 3, "Invalid CT value" }, 463 { 4, "CT/setup priority do not form a configured TE-Class" }, 464 { 5, "CT/holding priority do not form a configured TE-Class" }, 465 { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" }, 466 { 7, "Inconsistency between signaled PSC and signaled CT" }, 467 { 8, "Inconsistency between signaled PHBs and signaled CT" }, 468 { 0, NULL} 469 }; 470 471 /* rfc3473 / rfc 3471 */ 472 static const struct tok rsvp_obj_admin_status_flag_values[] = { 473 { 0x80000000, "Reflect" }, 474 { 0x00000004, "Testing" }, 475 { 0x00000002, "Admin-down" }, 476 { 0x00000001, "Delete-in-progress" }, 477 { 0, NULL} 478 }; 479 480 /* label set actions - rfc3471 */ 481 #define LABEL_SET_INCLUSIVE_LIST 0 482 #define LABEL_SET_EXCLUSIVE_LIST 1 483 #define LABEL_SET_INCLUSIVE_RANGE 2 484 #define LABEL_SET_EXCLUSIVE_RANGE 3 485 486 static const struct tok rsvp_obj_label_set_action_values[] = { 487 { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" }, 488 { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" }, 489 { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" }, 490 { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" }, 491 { 0, NULL} 492 }; 493 494 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */ 495 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1 496 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2 497 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3 498 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4 499 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5 500 501 static const struct tok rsvp_obj_generalized_uni_values[] = { 502 { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" }, 503 { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" }, 504 { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" }, 505 { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" }, 506 { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" }, 507 { 0, NULL} 508 }; 509 510 /* 511 * this is a dissector for all the intserv defined 512 * specs as defined per rfc2215 513 * it is called from various rsvp objects; 514 * returns the amount of bytes being processed 515 */ 516 static u_int 517 rsvp_intserv_print(netdissect_options *ndo, 518 const u_char *tptr, u_int obj_tlen) 519 { 520 u_int parameter_id,parameter_length; 521 union { 522 float f; 523 uint32_t i; 524 } bw; 525 526 if (obj_tlen < 4) 527 return 0; 528 parameter_id = GET_U_1(tptr); 529 parameter_length = GET_BE_U_2(tptr + 2)<<2; /* convert wordcount to bytecount */ 530 531 ND_PRINT("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]", 532 tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id), 533 parameter_id, 534 parameter_length, 535 GET_U_1(tptr + 1)); 536 537 if (obj_tlen < parameter_length+4) 538 return 0; 539 switch(parameter_id) { /* parameter_id */ 540 541 case 4: 542 /* 543 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 544 * | 4 (e) | (f) | 1 (g) | 545 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 546 * | IS hop cnt (32-bit unsigned integer) | 547 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 548 */ 549 if (parameter_length == 4) { 550 ND_PRINT("\n\t\tIS hop count: %u", GET_BE_U_4(tptr + 4)); 551 } 552 break; 553 554 case 6: 555 /* 556 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 557 * | 6 (h) | (i) | 1 (j) | 558 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 559 * | Path b/w estimate (32-bit IEEE floating point number) | 560 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 561 */ 562 if (parameter_length == 4) { 563 bw.i = GET_BE_U_4(tptr + 4); 564 ND_PRINT("\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000); 565 } 566 break; 567 568 case 8: 569 /* 570 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 571 * | 8 (k) | (l) | 1 (m) | 572 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 573 * | Minimum path latency (32-bit integer) | 574 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 575 */ 576 if (parameter_length == 4) { 577 ND_PRINT("\n\t\tMinimum path latency: "); 578 if (GET_BE_U_4(tptr + 4) == 0xffffffff) 579 ND_PRINT("don't care"); 580 else 581 ND_PRINT("%u", GET_BE_U_4(tptr + 4)); 582 } 583 break; 584 585 case 10: 586 587 /* 588 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 589 * | 10 (n) | (o) | 1 (p) | 590 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 591 * | Composed MTU (32-bit unsigned integer) | 592 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 593 */ 594 if (parameter_length == 4) { 595 ND_PRINT("\n\t\tComposed MTU: %u bytes", GET_BE_U_4(tptr + 4)); 596 } 597 break; 598 case 127: 599 /* 600 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 601 * | 127 (e) | 0 (f) | 5 (g) | 602 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 603 * | Token Bucket Rate [r] (32-bit IEEE floating point number) | 604 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 605 * | Token Bucket Size [b] (32-bit IEEE floating point number) | 606 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 607 * | Peak Data Rate [p] (32-bit IEEE floating point number) | 608 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 609 * | Minimum Policed Unit [m] (32-bit integer) | 610 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 611 * | Maximum Packet Size [M] (32-bit integer) | 612 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 613 */ 614 615 if (parameter_length == 20) { 616 ND_TCHECK_LEN(tptr + 4, 20); 617 bw.i = GET_BE_U_4(tptr + 4); 618 ND_PRINT("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000); 619 bw.i = GET_BE_U_4(tptr + 8); 620 ND_PRINT("\n\t\tToken Bucket Size: %.10g bytes", bw.f); 621 bw.i = GET_BE_U_4(tptr + 12); 622 ND_PRINT("\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000); 623 ND_PRINT("\n\t\tMinimum Policed Unit: %u bytes", 624 GET_BE_U_4(tptr + 16)); 625 ND_PRINT("\n\t\tMaximum Packet Size: %u bytes", 626 GET_BE_U_4(tptr + 20)); 627 } 628 break; 629 630 case 130: 631 /* 632 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 633 * | 130 (h) | 0 (i) | 2 (j) | 634 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 635 * | Rate [R] (32-bit IEEE floating point number) | 636 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 637 * | Slack Term [S] (32-bit integer) | 638 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 639 */ 640 641 if (parameter_length == 8) { 642 ND_TCHECK_8(tptr + 4); 643 bw.i = GET_BE_U_4(tptr + 4); 644 ND_PRINT("\n\t\tRate: %.10g Mbps", bw.f / 125000); 645 ND_PRINT("\n\t\tSlack Term: %u", GET_BE_U_4(tptr + 8)); 646 } 647 break; 648 649 case 133: 650 case 134: 651 case 135: 652 case 136: 653 if (parameter_length == 4) { 654 ND_PRINT("\n\t\tValue: %u", GET_BE_U_4(tptr + 4)); 655 } 656 break; 657 658 default: 659 if (ndo->ndo_vflag <= 1) 660 print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length); 661 } 662 return (parameter_length+4); /* header length 4 bytes */ 663 664 trunc: 665 nd_print_trunc(ndo); 666 return 0; 667 } 668 669 /* 670 * Clear checksum prior to signature verification. 671 */ 672 static void 673 rsvp_clear_checksum(void *header) 674 { 675 struct rsvp_common_header *rsvp_com_header = (struct rsvp_common_header *) header; 676 677 rsvp_com_header->checksum[0] = 0; 678 rsvp_com_header->checksum[1] = 0; 679 } 680 681 static int 682 rsvp_obj_print(netdissect_options *ndo, 683 const u_char *pptr, u_int plen, const u_char *tptr, 684 const char *indent, u_int tlen, 685 const struct rsvp_common_header *rsvp_com_header) 686 { 687 const struct rsvp_object_header *rsvp_obj_header; 688 const u_char *obj_tptr; 689 union { 690 const struct rsvp_obj_integrity_t *rsvp_obj_integrity; 691 const struct rsvp_obj_frr_t *rsvp_obj_frr; 692 } obj_ptr; 693 694 u_short rsvp_obj_len,rsvp_obj_ctype,rsvp_obj_class_num; 695 u_int obj_tlen,intserv_serv_tlen; 696 int hexdump; 697 u_int processed,padbytes,error_code,error_value,i,sigcheck; 698 union { 699 float f; 700 uint32_t i; 701 } bw; 702 u_int namelen; 703 704 u_int action, subchannel; 705 706 while(tlen>=sizeof(struct rsvp_object_header)) { 707 /* did we capture enough for fully decoding the object header ? */ 708 ND_TCHECK_LEN(tptr, sizeof(struct rsvp_object_header)); 709 710 rsvp_obj_header = (const struct rsvp_object_header *)tptr; 711 rsvp_obj_len=GET_BE_U_2(rsvp_obj_header->length); 712 rsvp_obj_ctype=GET_U_1(rsvp_obj_header->ctype); 713 714 if(rsvp_obj_len % 4) { 715 ND_PRINT("%sERROR: object header size %u not a multiple of 4", indent, rsvp_obj_len); 716 return -1; 717 } 718 if(rsvp_obj_len < sizeof(struct rsvp_object_header)) { 719 ND_PRINT("%sERROR: object header too short %u < %zu", indent, rsvp_obj_len, 720 sizeof(struct rsvp_object_header)); 721 return -1; 722 } 723 724 rsvp_obj_class_num = GET_U_1(rsvp_obj_header->class_num); 725 ND_PRINT("%s%s Object (%u) Flags: [%s", 726 indent, 727 tok2str(rsvp_obj_values, 728 "Unknown", 729 rsvp_obj_class_num), 730 rsvp_obj_class_num, 731 (rsvp_obj_class_num & 0x80) ? 732 ((rsvp_obj_class_num & 0x40) ? "ignore and forward" : 733 "ignore silently") : 734 "reject"); 735 736 ND_PRINT(" if unknown], Class-Type: %s (%u), length: %u", 737 tok2str(rsvp_ctype_values, 738 "Unknown", 739 (rsvp_obj_class_num<<8)+rsvp_obj_ctype), 740 rsvp_obj_ctype, 741 rsvp_obj_len); 742 743 if(tlen < rsvp_obj_len) { 744 ND_PRINT("%sERROR: object goes past end of objects TLV", indent); 745 return -1; 746 } 747 748 obj_tptr=tptr+sizeof(struct rsvp_object_header); 749 obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header); 750 751 /* did we capture enough for fully decoding the object ? */ 752 ND_TCHECK_LEN(tptr, rsvp_obj_len); 753 hexdump=FALSE; 754 755 switch(rsvp_obj_class_num) { 756 case RSVP_OBJ_SESSION: 757 switch(rsvp_obj_ctype) { 758 case RSVP_CTYPE_IPV4: 759 if (obj_tlen < 8) 760 goto obj_tooshort; 761 ND_PRINT("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x", 762 indent, 763 GET_IPADDR_STRING(obj_tptr), 764 GET_U_1(obj_tptr + sizeof(nd_ipv4))); 765 ND_PRINT("%s Flags: [0x%02x], DestPort %u", 766 indent, 767 GET_U_1((obj_tptr + 5)), 768 GET_BE_U_2(obj_tptr + 6)); 769 obj_tlen-=8; 770 obj_tptr+=8; 771 break; 772 case RSVP_CTYPE_IPV6: 773 if (obj_tlen < 20) 774 goto obj_tooshort; 775 ND_PRINT("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x", 776 indent, 777 GET_IP6ADDR_STRING(obj_tptr), 778 GET_U_1(obj_tptr + sizeof(nd_ipv6))); 779 ND_PRINT("%s Flags: [0x%02x], DestPort %u", 780 indent, 781 GET_U_1((obj_tptr + sizeof(nd_ipv6) + 1)), 782 GET_BE_U_2(obj_tptr + sizeof(nd_ipv6) + 2)); 783 obj_tlen-=20; 784 obj_tptr+=20; 785 break; 786 787 case RSVP_CTYPE_TUNNEL_IPV6: 788 if (obj_tlen < 36) 789 goto obj_tooshort; 790 ND_PRINT("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", 791 indent, 792 GET_IP6ADDR_STRING(obj_tptr), 793 GET_BE_U_2(obj_tptr + 18), 794 GET_IP6ADDR_STRING(obj_tptr + 20)); 795 obj_tlen-=36; 796 obj_tptr+=36; 797 break; 798 799 case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */ 800 if (obj_tlen < 26) 801 goto obj_tooshort; 802 ND_PRINT("%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", 803 indent, 804 GET_BE_U_4(obj_tptr), 805 GET_BE_U_2(obj_tptr + 6), 806 GET_IP6ADDR_STRING(obj_tptr + 8)); 807 obj_tlen-=26; 808 obj_tptr+=26; 809 break; 810 case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */ 811 if (obj_tlen < 12) 812 goto obj_tooshort; 813 ND_PRINT("%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", 814 indent, 815 GET_IPADDR_STRING(obj_tptr), 816 GET_BE_U_2(obj_tptr + 6), 817 GET_IPADDR_STRING(obj_tptr + 8)); 818 obj_tlen-=12; 819 obj_tptr+=12; 820 break; 821 case RSVP_CTYPE_TUNNEL_IPV4: 822 case RSVP_CTYPE_UNI_IPV4: 823 if (obj_tlen < 12) 824 goto obj_tooshort; 825 ND_PRINT("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", 826 indent, 827 GET_IPADDR_STRING(obj_tptr), 828 GET_BE_U_2(obj_tptr + 6), 829 GET_IPADDR_STRING(obj_tptr + 8)); 830 obj_tlen-=12; 831 obj_tptr+=12; 832 break; 833 default: 834 hexdump=TRUE; 835 } 836 break; 837 838 case RSVP_OBJ_CONFIRM: 839 switch(rsvp_obj_ctype) { 840 case RSVP_CTYPE_IPV4: 841 if (obj_tlen < sizeof(nd_ipv4)) 842 goto obj_tooshort; 843 ND_PRINT("%s IPv4 Receiver Address: %s", 844 indent, 845 GET_IPADDR_STRING(obj_tptr)); 846 obj_tlen-=sizeof(nd_ipv4); 847 obj_tptr+=sizeof(nd_ipv4); 848 break; 849 case RSVP_CTYPE_IPV6: 850 if (obj_tlen < sizeof(nd_ipv6)) 851 goto obj_tooshort; 852 ND_PRINT("%s IPv6 Receiver Address: %s", 853 indent, 854 GET_IP6ADDR_STRING(obj_tptr)); 855 obj_tlen-=sizeof(nd_ipv6); 856 obj_tptr+=sizeof(nd_ipv6); 857 break; 858 default: 859 hexdump=TRUE; 860 } 861 break; 862 863 case RSVP_OBJ_NOTIFY_REQ: 864 switch(rsvp_obj_ctype) { 865 case RSVP_CTYPE_IPV4: 866 if (obj_tlen < sizeof(nd_ipv4)) 867 goto obj_tooshort; 868 ND_PRINT("%s IPv4 Notify Node Address: %s", 869 indent, 870 GET_IPADDR_STRING(obj_tptr)); 871 obj_tlen-=sizeof(nd_ipv4); 872 obj_tptr+=sizeof(nd_ipv4); 873 break; 874 case RSVP_CTYPE_IPV6: 875 if (obj_tlen < sizeof(nd_ipv6)) 876 goto obj_tooshort; 877 ND_PRINT("%s IPv6 Notify Node Address: %s", 878 indent, 879 GET_IP6ADDR_STRING(obj_tptr)); 880 obj_tlen-=sizeof(nd_ipv6); 881 obj_tptr+=sizeof(nd_ipv6); 882 break; 883 default: 884 hexdump=TRUE; 885 } 886 break; 887 888 case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */ 889 case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */ 890 case RSVP_OBJ_RECOVERY_LABEL: /* fall through */ 891 case RSVP_OBJ_LABEL: 892 switch(rsvp_obj_ctype) { 893 case RSVP_CTYPE_1: 894 while(obj_tlen >= 4 ) { 895 ND_PRINT("%s Label: %u", indent, GET_BE_U_4(obj_tptr)); 896 obj_tlen-=4; 897 obj_tptr+=4; 898 } 899 break; 900 case RSVP_CTYPE_2: 901 if (obj_tlen < 4) 902 goto obj_tooshort; 903 ND_PRINT("%s Generalized Label: %u", 904 indent, 905 GET_BE_U_4(obj_tptr)); 906 obj_tlen-=4; 907 obj_tptr+=4; 908 break; 909 case RSVP_CTYPE_3: 910 if (obj_tlen < 12) 911 goto obj_tooshort; 912 ND_PRINT("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u", 913 indent, 914 GET_BE_U_4(obj_tptr), 915 indent, 916 GET_BE_U_4(obj_tptr + 4), 917 GET_BE_U_4(obj_tptr + 8)); 918 obj_tlen-=12; 919 obj_tptr+=12; 920 break; 921 default: 922 hexdump=TRUE; 923 } 924 break; 925 926 case RSVP_OBJ_STYLE: 927 switch(rsvp_obj_ctype) { 928 case RSVP_CTYPE_1: 929 if (obj_tlen < 4) 930 goto obj_tooshort; 931 ND_PRINT("%s Reservation Style: %s, Flags: [0x%02x]", 932 indent, 933 tok2str(rsvp_resstyle_values, 934 "Unknown", 935 GET_BE_U_3(obj_tptr + 1)), 936 GET_U_1(obj_tptr)); 937 obj_tlen-=4; 938 obj_tptr+=4; 939 break; 940 default: 941 hexdump=TRUE; 942 } 943 break; 944 945 case RSVP_OBJ_SENDER_TEMPLATE: 946 switch(rsvp_obj_ctype) { 947 case RSVP_CTYPE_IPV4: 948 if (obj_tlen < 8) 949 goto obj_tooshort; 950 ND_PRINT("%s Source Address: %s, Source Port: %u", 951 indent, 952 GET_IPADDR_STRING(obj_tptr), 953 GET_BE_U_2(obj_tptr + 6)); 954 obj_tlen-=8; 955 obj_tptr+=8; 956 break; 957 case RSVP_CTYPE_IPV6: 958 if (obj_tlen < 20) 959 goto obj_tooshort; 960 ND_PRINT("%s Source Address: %s, Source Port: %u", 961 indent, 962 GET_IP6ADDR_STRING(obj_tptr), 963 GET_BE_U_2(obj_tptr + 18)); 964 obj_tlen-=20; 965 obj_tptr+=20; 966 break; 967 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */ 968 if (obj_tlen < 40) 969 goto obj_tooshort; 970 ND_PRINT("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x" 971 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", 972 indent, 973 GET_IP6ADDR_STRING(obj_tptr), 974 GET_BE_U_2(obj_tptr + 18), 975 indent, 976 GET_IP6ADDR_STRING(obj_tptr+20), 977 GET_BE_U_2(obj_tptr + 38)); 978 obj_tlen-=40; 979 obj_tptr+=40; 980 break; 981 case RSVP_CTYPE_TUNNEL_IPV4: 982 if (obj_tlen < 8) 983 goto obj_tooshort; 984 ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x", 985 indent, 986 GET_IPADDR_STRING(obj_tptr), 987 GET_BE_U_2(obj_tptr + 6)); 988 obj_tlen-=8; 989 obj_tptr+=8; 990 break; 991 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */ 992 if (obj_tlen < 16) 993 goto obj_tooshort; 994 ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x" 995 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", 996 indent, 997 GET_IPADDR_STRING(obj_tptr), 998 GET_BE_U_2(obj_tptr + 6), 999 indent, 1000 GET_IPADDR_STRING(obj_tptr+8), 1001 GET_BE_U_2(obj_tptr + 12)); 1002 obj_tlen-=16; 1003 obj_tptr+=16; 1004 break; 1005 default: 1006 hexdump=TRUE; 1007 } 1008 break; 1009 1010 case RSVP_OBJ_LABEL_REQ: 1011 switch(rsvp_obj_ctype) { 1012 case RSVP_CTYPE_1: 1013 while(obj_tlen >= 4 ) { 1014 ND_PRINT("%s L3 Protocol ID: %s", 1015 indent, 1016 tok2str(ethertype_values, 1017 "Unknown Protocol (0x%04x)", 1018 GET_BE_U_2(obj_tptr + 2))); 1019 obj_tlen-=4; 1020 obj_tptr+=4; 1021 } 1022 break; 1023 case RSVP_CTYPE_2: 1024 if (obj_tlen < 12) 1025 goto obj_tooshort; 1026 ND_PRINT("%s L3 Protocol ID: %s", 1027 indent, 1028 tok2str(ethertype_values, 1029 "Unknown Protocol (0x%04x)", 1030 GET_BE_U_2(obj_tptr + 2))); 1031 ND_PRINT(",%s merge capability", 1032 ((GET_U_1(obj_tptr + 4)) & 0x80) ? "no" : "" ); 1033 ND_PRINT("%s Minimum VPI/VCI: %u/%u", 1034 indent, 1035 (GET_BE_U_2(obj_tptr + 4))&0xfff, 1036 (GET_BE_U_2(obj_tptr + 6)) & 0xfff); 1037 ND_PRINT("%s Maximum VPI/VCI: %u/%u", 1038 indent, 1039 (GET_BE_U_2(obj_tptr + 8))&0xfff, 1040 (GET_BE_U_2(obj_tptr + 10)) & 0xfff); 1041 obj_tlen-=12; 1042 obj_tptr+=12; 1043 break; 1044 case RSVP_CTYPE_3: 1045 if (obj_tlen < 12) 1046 goto obj_tooshort; 1047 ND_PRINT("%s L3 Protocol ID: %s", 1048 indent, 1049 tok2str(ethertype_values, 1050 "Unknown Protocol (0x%04x)", 1051 GET_BE_U_2(obj_tptr + 2))); 1052 ND_PRINT("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI", 1053 indent, 1054 (GET_BE_U_4(obj_tptr + 4))&0x7fffff, 1055 (GET_BE_U_4(obj_tptr + 8))&0x7fffff, 1056 (((GET_BE_U_2(obj_tptr + 4)>>7)&3) == 0 ) ? "10" : "", 1057 (((GET_BE_U_2(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : ""); 1058 obj_tlen-=12; 1059 obj_tptr+=12; 1060 break; 1061 case RSVP_CTYPE_4: 1062 if (obj_tlen < 4) 1063 goto obj_tooshort; 1064 ND_PRINT("%s LSP Encoding Type: %s (%u)", 1065 indent, 1066 tok2str(gmpls_encoding_values, 1067 "Unknown", 1068 GET_U_1(obj_tptr)), 1069 GET_U_1(obj_tptr)); 1070 ND_PRINT("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)", 1071 indent, 1072 tok2str(gmpls_switch_cap_values, 1073 "Unknown", 1074 GET_U_1((obj_tptr + 1))), 1075 GET_U_1(obj_tptr + 1), 1076 tok2str(gmpls_payload_values, 1077 "Unknown", 1078 GET_BE_U_2(obj_tptr + 2)), 1079 GET_BE_U_2(obj_tptr + 2)); 1080 obj_tlen-=4; 1081 obj_tptr+=4; 1082 break; 1083 default: 1084 hexdump=TRUE; 1085 } 1086 break; 1087 1088 case RSVP_OBJ_RRO: 1089 case RSVP_OBJ_ERO: 1090 switch(rsvp_obj_ctype) { 1091 case RSVP_CTYPE_IPV4: 1092 while(obj_tlen >= 4 ) { 1093 u_char length; 1094 1095 ND_TCHECK_4(obj_tptr); 1096 length = GET_U_1(obj_tptr + 1); 1097 ND_PRINT("%s Subobject Type: %s, length %u", 1098 indent, 1099 tok2str(rsvp_obj_xro_values, 1100 "Unknown %u", 1101 RSVP_OBJ_XRO_MASK_SUBOBJ(GET_U_1(obj_tptr))), 1102 length); 1103 if (obj_tlen < length) { 1104 ND_PRINT("%s ERROR: ERO subobject length > object length", indent); 1105 break; 1106 } 1107 1108 if (length == 0) { /* prevent infinite loops */ 1109 ND_PRINT("%s ERROR: zero length ERO subtype", indent); 1110 break; 1111 } 1112 1113 switch(RSVP_OBJ_XRO_MASK_SUBOBJ(GET_U_1(obj_tptr))) { 1114 u_char prefix_length; 1115 1116 case RSVP_OBJ_XRO_IPV4: 1117 if (length != 8) { 1118 ND_PRINT(" ERROR: length != 8"); 1119 goto invalid; 1120 } 1121 ND_TCHECK_8(obj_tptr); 1122 prefix_length = GET_U_1(obj_tptr + 6); 1123 if (prefix_length != 32) { 1124 ND_PRINT(" ERROR: Prefix length %u != 32", 1125 prefix_length); 1126 goto invalid; 1127 } 1128 ND_PRINT(", %s, %s/%u, Flags: [%s]", 1129 RSVP_OBJ_XRO_MASK_LOOSE(GET_U_1(obj_tptr)) ? "Loose" : "Strict", 1130 GET_IPADDR_STRING(obj_tptr+2), 1131 GET_U_1((obj_tptr + 6)), 1132 bittok2str(rsvp_obj_rro_flag_values, 1133 "none", 1134 GET_U_1((obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */ 1135 break; 1136 case RSVP_OBJ_XRO_LABEL: 1137 if (length != 8) { 1138 ND_PRINT(" ERROR: length != 8"); 1139 goto invalid; 1140 } 1141 ND_TCHECK_8(obj_tptr); 1142 ND_PRINT(", Flags: [%s] (%#x), Class-Type: %s (%u), %u", 1143 bittok2str(rsvp_obj_rro_label_flag_values, 1144 "none", 1145 GET_U_1((obj_tptr + 2))), 1146 GET_U_1(obj_tptr + 2), 1147 tok2str(rsvp_ctype_values, 1148 "Unknown", 1149 GET_U_1((obj_tptr + 3)) + (256 * RSVP_OBJ_RRO)), 1150 GET_U_1((obj_tptr + 3)), 1151 GET_BE_U_4(obj_tptr + 4)); 1152 } 1153 obj_tlen-=length; 1154 obj_tptr+=length; 1155 } 1156 break; 1157 default: 1158 hexdump=TRUE; 1159 } 1160 break; 1161 1162 case RSVP_OBJ_HELLO: 1163 switch(rsvp_obj_ctype) { 1164 case RSVP_CTYPE_1: 1165 case RSVP_CTYPE_2: 1166 if (obj_tlen < 8) 1167 goto obj_tooshort; 1168 ND_PRINT("%s Source Instance: 0x%08x, Destination Instance: 0x%08x", 1169 indent, 1170 GET_BE_U_4(obj_tptr), 1171 GET_BE_U_4(obj_tptr + 4)); 1172 obj_tlen-=8; 1173 obj_tptr+=8; 1174 break; 1175 default: 1176 hexdump=TRUE; 1177 } 1178 break; 1179 1180 case RSVP_OBJ_RESTART_CAPABILITY: 1181 switch(rsvp_obj_ctype) { 1182 case RSVP_CTYPE_1: 1183 if (obj_tlen < 8) 1184 goto obj_tooshort; 1185 ND_PRINT("%s Restart Time: %ums, Recovery Time: %ums", 1186 indent, 1187 GET_BE_U_4(obj_tptr), 1188 GET_BE_U_4(obj_tptr + 4)); 1189 obj_tlen-=8; 1190 obj_tptr+=8; 1191 break; 1192 default: 1193 hexdump=TRUE; 1194 } 1195 break; 1196 1197 case RSVP_OBJ_CAPABILITY: 1198 switch(rsvp_obj_ctype) { 1199 case RSVP_CTYPE_1: 1200 if (obj_tlen < 4) 1201 goto obj_tooshort; 1202 uint32_t unused_and_flags = GET_BE_U_4(obj_tptr); 1203 if (unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK) 1204 ND_PRINT("%s [reserved=0x%08x must be zero]", indent, 1205 unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK); 1206 ND_PRINT("%s Flags: [%s]", 1207 indent, 1208 bittok2str(rsvp_obj_capability_flag_values, 1209 "none", 1210 (unused_and_flags & RSVP_OBJ_CAPABILITY_FLAGS_MASK))); 1211 obj_tlen-=4; 1212 obj_tptr+=4; 1213 break; 1214 default: 1215 hexdump=TRUE; 1216 } 1217 break; 1218 1219 case RSVP_OBJ_SESSION_ATTRIBUTE: 1220 switch(rsvp_obj_ctype) { 1221 case RSVP_CTYPE_TUNNEL_IPV4: 1222 if (obj_tlen < 4) 1223 goto obj_tooshort; 1224 namelen = GET_U_1(obj_tptr + 3); 1225 if (obj_tlen < 4+namelen) 1226 goto obj_tooshort; 1227 ND_PRINT("%s Session Name: ", indent); 1228 for (i = 0; i < namelen; i++) 1229 fn_print_char(ndo, GET_U_1(obj_tptr + 4 + i)); 1230 ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)", 1231 indent, 1232 GET_U_1(obj_tptr), 1233 GET_U_1(obj_tptr + 1), 1234 bittok2str(rsvp_session_attribute_flag_values, 1235 "none", 1236 GET_U_1((obj_tptr + 2))), 1237 GET_U_1(obj_tptr + 2)); 1238 obj_tlen-=4+namelen; 1239 obj_tptr+=4+namelen; 1240 break; 1241 default: 1242 hexdump=TRUE; 1243 } 1244 break; 1245 1246 case RSVP_OBJ_GENERALIZED_UNI: 1247 switch(rsvp_obj_ctype) { 1248 u_int subobj_type,af,subobj_len,total_subobj_len; 1249 1250 case RSVP_CTYPE_1: 1251 1252 if (obj_tlen < 4) 1253 goto obj_tooshort; 1254 1255 /* read variable length subobjects */ 1256 total_subobj_len = obj_tlen; 1257 while(total_subobj_len > 0) { 1258 /* If RFC 3476 Section 3.1 defined that a sub-object of the 1259 * GENERALIZED_UNI RSVP object must have the Length field as 1260 * a multiple of 4, instead of the check below it would be 1261 * better to test total_subobj_len only once before the loop. 1262 * So long as it does not define it and this while loop does 1263 * not implement such a requirement, let's accept that within 1264 * each iteration subobj_len may happen to be a multiple of 1 1265 * and test it and total_subobj_len respectively. 1266 */ 1267 if (total_subobj_len < 4) 1268 goto invalid; 1269 subobj_len = GET_BE_U_2(obj_tptr); 1270 subobj_type = (GET_BE_U_2(obj_tptr + 2))>>8; 1271 af = (GET_BE_U_2(obj_tptr + 2))&0x00FF; 1272 1273 ND_PRINT("%s Subobject Type: %s (%u), AF: %s (%u), length: %u", 1274 indent, 1275 tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type), 1276 subobj_type, 1277 tok2str(af_values, "Unknown", af), af, 1278 subobj_len); 1279 1280 /* In addition to what is explained above, the same spec does not 1281 * explicitly say that the same Length field includes the 4-octet 1282 * sub-object header, but as long as this while loop implements it 1283 * as it does include, let's keep the check below consistent with 1284 * the rest of the code. 1285 * 1286 * XXX - RFC 3476 Section 3.1 says "The contents of these 1287 * sub-objects are described in [8]", where [8] is 1288 * UNI 1.0 Signaling Specification, The Optical 1289 * Internetworking Forum. The URL they give for that 1290 * document is 1291 * 1292 * http://www.oiforum.com/public/UNI_1.0_ia.html 1293 * 1294 * but that doesn't work; the new URL appears to be 1295 * 1296 * https://web.archive.org/web/20160401194747/http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf 1297 * 1298 * and *that* document, in section 12.5.2.3 1299 * "GENERALIZED_UNI Object (Class-Num=11bbbbbb (TBA))", 1300 * says nothing about the length field in general, but 1301 * some of the examples it gives in subsections have 1302 * length field values that clearly includes the length 1303 * of the sub-object header as well as the length of the 1304 * value. 1305 */ 1306 if(subobj_len < 4 || subobj_len > total_subobj_len || 1307 obj_tlen < subobj_len) 1308 goto invalid; 1309 1310 switch(subobj_type) { 1311 case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS: 1312 case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS: 1313 1314 switch(af) { 1315 case AFNUM_INET: 1316 if (subobj_len < 8) 1317 goto subobj_tooshort; 1318 ND_PRINT("%s UNI IPv4 TNA address: %s", 1319 indent, GET_IPADDR_STRING(obj_tptr + 4)); 1320 break; 1321 case AFNUM_INET6: 1322 if (subobj_len < 20) 1323 goto subobj_tooshort; 1324 ND_PRINT("%s UNI IPv6 TNA address: %s", 1325 indent, GET_IP6ADDR_STRING(obj_tptr + 4)); 1326 break; 1327 case AFNUM_NSAP: 1328 if (subobj_len) { 1329 /* unless we have a TLV parser lets just hexdump */ 1330 hexdump=TRUE; 1331 } 1332 break; 1333 } 1334 break; 1335 1336 case RSVP_GEN_UNI_SUBOBJ_DIVERSITY: 1337 if (subobj_len > 4) { 1338 /* unless we have a TLV parser lets just hexdump */ 1339 hexdump=TRUE; 1340 } 1341 break; 1342 1343 case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL: 1344 if (subobj_len < 16) { 1345 goto subobj_tooshort; 1346 } 1347 1348 ND_PRINT("%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u", 1349 indent, 1350 ((GET_BE_U_4(obj_tptr + 4))>>31), 1351 ((GET_BE_U_4(obj_tptr + 4))&0xFF), 1352 GET_BE_U_4(obj_tptr + 8), 1353 GET_BE_U_4(obj_tptr + 12)); 1354 break; 1355 1356 case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL: 1357 if (subobj_len < 8) { 1358 goto subobj_tooshort; 1359 } 1360 1361 ND_PRINT("%s Service level: %u", 1362 indent, (GET_BE_U_4(obj_tptr + 4)) >> 24); 1363 break; 1364 1365 default: 1366 hexdump=TRUE; 1367 break; 1368 } 1369 total_subobj_len-=subobj_len; 1370 obj_tptr+=subobj_len; 1371 obj_tlen+=subobj_len; 1372 } 1373 break; 1374 1375 default: 1376 hexdump=TRUE; 1377 } 1378 break; 1379 1380 case RSVP_OBJ_RSVP_HOP: 1381 switch(rsvp_obj_ctype) { 1382 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */ 1383 case RSVP_CTYPE_IPV4: 1384 if (obj_tlen < 8) 1385 goto obj_tooshort; 1386 ND_PRINT("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", 1387 indent, 1388 GET_IPADDR_STRING(obj_tptr), 1389 GET_BE_U_4(obj_tptr + 4)); 1390 obj_tlen-=8; 1391 obj_tptr+=8; 1392 if (obj_tlen) 1393 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */ 1394 break; 1395 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */ 1396 case RSVP_CTYPE_IPV6: 1397 if (obj_tlen < 20) 1398 goto obj_tooshort; 1399 ND_PRINT("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", 1400 indent, 1401 GET_IP6ADDR_STRING(obj_tptr), 1402 GET_BE_U_4(obj_tptr + 16)); 1403 obj_tlen-=20; 1404 obj_tptr+=20; 1405 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */ 1406 break; 1407 default: 1408 hexdump=TRUE; 1409 } 1410 break; 1411 1412 case RSVP_OBJ_TIME_VALUES: 1413 switch(rsvp_obj_ctype) { 1414 case RSVP_CTYPE_1: 1415 if (obj_tlen < 4) 1416 goto obj_tooshort; 1417 ND_PRINT("%s Refresh Period: %ums", 1418 indent, 1419 GET_BE_U_4(obj_tptr)); 1420 obj_tlen-=4; 1421 obj_tptr+=4; 1422 break; 1423 default: 1424 hexdump=TRUE; 1425 } 1426 break; 1427 1428 /* those three objects do share the same semantics */ 1429 case RSVP_OBJ_SENDER_TSPEC: 1430 case RSVP_OBJ_ADSPEC: 1431 case RSVP_OBJ_FLOWSPEC: 1432 switch(rsvp_obj_ctype) { 1433 case RSVP_CTYPE_2: 1434 if (obj_tlen < 4) 1435 goto obj_tooshort; 1436 ND_PRINT("%s Msg-Version: %u, length: %u", 1437 indent, 1438 (GET_U_1(obj_tptr) & 0xf0) >> 4, 1439 GET_BE_U_2(obj_tptr + 2) << 2); 1440 obj_tptr+=4; /* get to the start of the service header */ 1441 obj_tlen-=4; 1442 1443 while (obj_tlen >= 4) { 1444 intserv_serv_tlen=GET_BE_U_2(obj_tptr + 2)<<2; 1445 ND_PRINT("%s Service Type: %s (%u), break bit %sset, Service length: %u", 1446 indent, 1447 tok2str(rsvp_intserv_service_type_values,"unknown",GET_U_1((obj_tptr))), 1448 GET_U_1(obj_tptr), 1449 (GET_U_1(obj_tptr + 1)&0x80) ? "" : "not ", 1450 intserv_serv_tlen); 1451 1452 obj_tptr+=4; /* get to the start of the parameter list */ 1453 obj_tlen-=4; 1454 1455 while (intserv_serv_tlen>=4) { 1456 processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen); 1457 if (processed == 0) 1458 break; 1459 obj_tlen-=processed; 1460 intserv_serv_tlen-=processed; 1461 obj_tptr+=processed; 1462 } 1463 } 1464 break; 1465 default: 1466 hexdump=TRUE; 1467 } 1468 break; 1469 1470 case RSVP_OBJ_FILTERSPEC: 1471 switch(rsvp_obj_ctype) { 1472 case RSVP_CTYPE_IPV4: 1473 if (obj_tlen < 8) 1474 goto obj_tooshort; 1475 ND_PRINT("%s Source Address: %s, Source Port: %u", 1476 indent, 1477 GET_IPADDR_STRING(obj_tptr), 1478 GET_BE_U_2(obj_tptr + 6)); 1479 obj_tlen-=8; 1480 obj_tptr+=8; 1481 break; 1482 case RSVP_CTYPE_IPV6: 1483 if (obj_tlen < 20) 1484 goto obj_tooshort; 1485 ND_PRINT("%s Source Address: %s, Source Port: %u", 1486 indent, 1487 GET_IP6ADDR_STRING(obj_tptr), 1488 GET_BE_U_2(obj_tptr + 18)); 1489 obj_tlen-=20; 1490 obj_tptr+=20; 1491 break; 1492 case RSVP_CTYPE_3: 1493 if (obj_tlen < 20) 1494 goto obj_tooshort; 1495 ND_PRINT("%s Source Address: %s, Flow Label: %u", 1496 indent, 1497 GET_IP6ADDR_STRING(obj_tptr), 1498 GET_BE_U_3(obj_tptr + 17)); 1499 obj_tlen-=20; 1500 obj_tptr+=20; 1501 break; 1502 case RSVP_CTYPE_TUNNEL_IPV6: 1503 if (obj_tlen < 20) 1504 goto obj_tooshort; 1505 ND_PRINT("%s Source Address: %s, LSP-ID: 0x%04x", 1506 indent, 1507 GET_IPADDR_STRING(obj_tptr), 1508 GET_BE_U_2(obj_tptr + 18)); 1509 obj_tlen-=20; 1510 obj_tptr+=20; 1511 break; 1512 case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */ 1513 if (obj_tlen < 40) 1514 goto obj_tooshort; 1515 ND_PRINT("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x" 1516 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", 1517 indent, 1518 GET_IP6ADDR_STRING(obj_tptr), 1519 GET_BE_U_2(obj_tptr + 18), 1520 indent, 1521 GET_IP6ADDR_STRING(obj_tptr+20), 1522 GET_BE_U_2(obj_tptr + 38)); 1523 obj_tlen-=40; 1524 obj_tptr+=40; 1525 break; 1526 case RSVP_CTYPE_TUNNEL_IPV4: 1527 if (obj_tlen < 8) 1528 goto obj_tooshort; 1529 ND_PRINT("%s Source Address: %s, LSP-ID: 0x%04x", 1530 indent, 1531 GET_IPADDR_STRING(obj_tptr), 1532 GET_BE_U_2(obj_tptr + 6)); 1533 obj_tlen-=8; 1534 obj_tptr+=8; 1535 break; 1536 case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */ 1537 if (obj_tlen < 16) 1538 goto obj_tooshort; 1539 ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x" 1540 "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x", 1541 indent, 1542 GET_IPADDR_STRING(obj_tptr), 1543 GET_BE_U_2(obj_tptr + 6), 1544 indent, 1545 GET_IPADDR_STRING(obj_tptr+8), 1546 GET_BE_U_2(obj_tptr + 12)); 1547 obj_tlen-=16; 1548 obj_tptr+=16; 1549 break; 1550 default: 1551 hexdump=TRUE; 1552 } 1553 break; 1554 1555 case RSVP_OBJ_FASTREROUTE: 1556 /* the differences between c-type 1 and 7 are minor */ 1557 obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr; 1558 1559 switch(rsvp_obj_ctype) { 1560 case RSVP_CTYPE_1: /* new style */ 1561 if (obj_tlen < sizeof(struct rsvp_obj_frr_t)) 1562 goto obj_tooshort; 1563 bw.i = GET_BE_U_4(obj_ptr.rsvp_obj_frr->bandwidth); 1564 ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", 1565 indent, 1566 obj_ptr.rsvp_obj_frr->setup_prio, 1567 obj_ptr.rsvp_obj_frr->hold_prio, 1568 obj_ptr.rsvp_obj_frr->hop_limit, 1569 bw.f * 8 / 1000000); 1570 ND_PRINT("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x", 1571 indent, 1572 GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_any), 1573 GET_BE_U_4(obj_ptr.rsvp_obj_frr->exclude_any), 1574 GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_all)); 1575 obj_tlen-=sizeof(struct rsvp_obj_frr_t); 1576 obj_tptr+=sizeof(struct rsvp_obj_frr_t); 1577 break; 1578 1579 case RSVP_CTYPE_TUNNEL_IPV4: /* old style */ 1580 if (obj_tlen < 16) 1581 goto obj_tooshort; 1582 bw.i = GET_BE_U_4(obj_ptr.rsvp_obj_frr->bandwidth); 1583 ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", 1584 indent, 1585 obj_ptr.rsvp_obj_frr->setup_prio, 1586 obj_ptr.rsvp_obj_frr->hold_prio, 1587 obj_ptr.rsvp_obj_frr->hop_limit, 1588 bw.f * 8 / 1000000); 1589 ND_PRINT("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x", 1590 indent, 1591 GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_any), 1592 GET_BE_U_4(obj_ptr.rsvp_obj_frr->exclude_any)); 1593 obj_tlen-=16; 1594 obj_tptr+=16; 1595 break; 1596 1597 default: 1598 hexdump=TRUE; 1599 } 1600 break; 1601 1602 case RSVP_OBJ_DETOUR: 1603 switch(rsvp_obj_ctype) { 1604 case RSVP_CTYPE_TUNNEL_IPV4: 1605 while(obj_tlen >= 8) { 1606 ND_PRINT("%s PLR-ID: %s, Avoid-Node-ID: %s", 1607 indent, 1608 GET_IPADDR_STRING(obj_tptr), 1609 GET_IPADDR_STRING(obj_tptr + 4)); 1610 obj_tlen-=8; 1611 obj_tptr+=8; 1612 } 1613 break; 1614 default: 1615 hexdump=TRUE; 1616 } 1617 break; 1618 1619 case RSVP_OBJ_CLASSTYPE: 1620 case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */ 1621 switch(rsvp_obj_ctype) { 1622 case RSVP_CTYPE_1: 1623 if (obj_tlen < 4) 1624 goto obj_tooshort; 1625 ND_PRINT("%s CT: %u", 1626 indent, 1627 GET_BE_U_4(obj_tptr) & 0x7); 1628 obj_tlen-=4; 1629 obj_tptr+=4; 1630 break; 1631 default: 1632 hexdump=TRUE; 1633 } 1634 break; 1635 1636 case RSVP_OBJ_ERROR_SPEC: 1637 switch(rsvp_obj_ctype) { 1638 case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */ 1639 case RSVP_CTYPE_IPV4: 1640 if (obj_tlen < 8) 1641 goto obj_tooshort; 1642 error_code=GET_U_1(obj_tptr + 5); 1643 error_value=GET_BE_U_2(obj_tptr + 6); 1644 ND_PRINT("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", 1645 indent, 1646 GET_IPADDR_STRING(obj_tptr), 1647 GET_U_1(obj_tptr + 4), 1648 indent, 1649 tok2str(rsvp_obj_error_code_values,"unknown",error_code), 1650 error_code); 1651 switch (error_code) { 1652 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING: 1653 ND_PRINT(", Error Value: %s (%u)", 1654 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value), 1655 error_value); 1656 break; 1657 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */ 1658 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD: 1659 ND_PRINT(", Error Value: %s (%u)", 1660 tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value), 1661 error_value); 1662 break; 1663 default: 1664 ND_PRINT(", Unknown Error Value (%u)", error_value); 1665 break; 1666 } 1667 obj_tlen-=8; 1668 obj_tptr+=8; 1669 break; 1670 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */ 1671 case RSVP_CTYPE_IPV6: 1672 if (obj_tlen < 20) 1673 goto obj_tooshort; 1674 error_code=GET_U_1(obj_tptr + 17); 1675 error_value=GET_BE_U_2(obj_tptr + 18); 1676 ND_PRINT("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", 1677 indent, 1678 GET_IP6ADDR_STRING(obj_tptr), 1679 GET_U_1(obj_tptr + 16), 1680 indent, 1681 tok2str(rsvp_obj_error_code_values,"unknown",error_code), 1682 error_code); 1683 1684 switch (error_code) { 1685 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING: 1686 ND_PRINT(", Error Value: %s (%u)", 1687 tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value), 1688 error_value); 1689 break; 1690 default: 1691 break; 1692 } 1693 obj_tlen-=20; 1694 obj_tptr+=20; 1695 break; 1696 default: 1697 hexdump=TRUE; 1698 } 1699 break; 1700 1701 case RSVP_OBJ_PROPERTIES: 1702 switch(rsvp_obj_ctype) { 1703 case RSVP_CTYPE_1: 1704 if (obj_tlen < 4) 1705 goto obj_tooshort; 1706 padbytes = GET_BE_U_2(obj_tptr + 2); 1707 ND_PRINT("%s TLV count: %u, padding bytes: %u", 1708 indent, 1709 GET_BE_U_2(obj_tptr), 1710 padbytes); 1711 obj_tlen-=4; 1712 obj_tptr+=4; 1713 /* loop through as long there is anything longer than the TLV header (2) */ 1714 while(obj_tlen >= 2 + padbytes) { 1715 ND_PRINT("%s %s TLV (0x%02x), length: %u", /* length includes header */ 1716 indent, 1717 tok2str(rsvp_obj_prop_tlv_values,"unknown",GET_U_1(obj_tptr)), 1718 GET_U_1(obj_tptr), 1719 GET_U_1(obj_tptr + 1)); 1720 if (obj_tlen < GET_U_1(obj_tptr + 1)) 1721 goto obj_tooshort; 1722 if (GET_U_1(obj_tptr + 1) < 2) { 1723 ND_PRINT("%sERROR: property TLV is too short", indent); 1724 return -1; 1725 } 1726 print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", 1727 GET_U_1(obj_tptr + 1) - 2); 1728 obj_tlen-=GET_U_1(obj_tptr + 1); 1729 obj_tptr+=GET_U_1(obj_tptr + 1); 1730 } 1731 break; 1732 default: 1733 hexdump=TRUE; 1734 } 1735 break; 1736 1737 case RSVP_OBJ_MESSAGE_ID: /* fall through */ 1738 case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */ 1739 case RSVP_OBJ_MESSAGE_ID_LIST: 1740 switch(rsvp_obj_ctype) { 1741 case RSVP_CTYPE_1: 1742 case RSVP_CTYPE_2: 1743 if (obj_tlen < 4) 1744 goto obj_tooshort; 1745 ND_PRINT("%s Flags [0x%02x], epoch: %u", 1746 indent, 1747 GET_U_1(obj_tptr), 1748 GET_BE_U_3(obj_tptr + 1)); 1749 obj_tlen-=4; 1750 obj_tptr+=4; 1751 /* loop through as long there are no messages left */ 1752 while(obj_tlen >= 4) { 1753 ND_PRINT("%s Message-ID 0x%08x (%u)", 1754 indent, 1755 GET_BE_U_4(obj_tptr), 1756 GET_BE_U_4(obj_tptr)); 1757 obj_tlen-=4; 1758 obj_tptr+=4; 1759 } 1760 break; 1761 default: 1762 hexdump=TRUE; 1763 } 1764 break; 1765 1766 case RSVP_OBJ_INTEGRITY: 1767 switch(rsvp_obj_ctype) { 1768 case RSVP_CTYPE_1: 1769 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t)) 1770 goto obj_tooshort; 1771 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr; 1772 ND_PRINT("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]", 1773 indent, 1774 GET_BE_U_2(obj_ptr.rsvp_obj_integrity->key_id), 1775 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->key_id + 2), 1776 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence), 1777 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence + 4), 1778 bittok2str(rsvp_obj_integrity_flag_values, 1779 "none", 1780 obj_ptr.rsvp_obj_integrity->flags)); 1781 ND_PRINT("%s MD5-sum 0x%08x%08x%08x%08x ", 1782 indent, 1783 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest), 1784 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 4), 1785 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 8), 1786 GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 12)); 1787 1788 sigcheck = signature_verify(ndo, pptr, plen, 1789 obj_ptr.rsvp_obj_integrity->digest, 1790 rsvp_clear_checksum, 1791 rsvp_com_header); 1792 ND_PRINT(" (%s)", tok2str(signature_check_values, "Unknown", sigcheck)); 1793 1794 obj_tlen+=sizeof(struct rsvp_obj_integrity_t); 1795 obj_tptr+=sizeof(struct rsvp_obj_integrity_t); 1796 break; 1797 default: 1798 hexdump=TRUE; 1799 } 1800 break; 1801 1802 case RSVP_OBJ_ADMIN_STATUS: 1803 switch(rsvp_obj_ctype) { 1804 case RSVP_CTYPE_1: 1805 if (obj_tlen < 4) 1806 goto obj_tooshort; 1807 ND_PRINT("%s Flags [%s]", indent, 1808 bittok2str(rsvp_obj_admin_status_flag_values, "none", 1809 GET_BE_U_4(obj_tptr))); 1810 obj_tlen-=4; 1811 obj_tptr+=4; 1812 break; 1813 default: 1814 hexdump=TRUE; 1815 } 1816 break; 1817 1818 case RSVP_OBJ_LABEL_SET: 1819 switch(rsvp_obj_ctype) { 1820 case RSVP_CTYPE_1: 1821 if (obj_tlen < 4) 1822 goto obj_tooshort; 1823 action = (GET_BE_U_2(obj_tptr)>>8); 1824 1825 ND_PRINT("%s Action: %s (%u), Label type: %u", indent, 1826 tok2str(rsvp_obj_label_set_action_values, "Unknown", action), 1827 action, (GET_BE_U_4(obj_tptr) & 0x7F)); 1828 1829 switch (action) { 1830 case LABEL_SET_INCLUSIVE_RANGE: 1831 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */ 1832 1833 /* only a couple of subchannels are expected */ 1834 if (obj_tlen < 12) 1835 goto obj_tooshort; 1836 ND_PRINT("%s Start range: %u, End range: %u", indent, 1837 GET_BE_U_4(obj_tptr + 4), 1838 GET_BE_U_4(obj_tptr + 8)); 1839 obj_tlen-=12; 1840 obj_tptr+=12; 1841 break; 1842 1843 default: 1844 obj_tlen-=4; 1845 obj_tptr+=4; 1846 subchannel = 1; 1847 while(obj_tlen >= 4 ) { 1848 ND_PRINT("%s Subchannel #%u: %u", indent, subchannel, 1849 GET_BE_U_4(obj_tptr)); 1850 obj_tptr+=4; 1851 obj_tlen-=4; 1852 subchannel++; 1853 } 1854 break; 1855 } 1856 break; 1857 default: 1858 hexdump=TRUE; 1859 } 1860 break; 1861 1862 case RSVP_OBJ_S2L: 1863 switch (rsvp_obj_ctype) { 1864 case RSVP_CTYPE_IPV4: 1865 if (obj_tlen < 4) 1866 goto obj_tooshort; 1867 ND_PRINT("%s Sub-LSP destination address: %s", 1868 indent, GET_IPADDR_STRING(obj_tptr)); 1869 1870 obj_tlen-=4; 1871 obj_tptr+=4; 1872 break; 1873 case RSVP_CTYPE_IPV6: 1874 if (obj_tlen < 16) 1875 goto obj_tooshort; 1876 ND_PRINT("%s Sub-LSP destination address: %s", 1877 indent, GET_IP6ADDR_STRING(obj_tptr)); 1878 1879 obj_tlen-=16; 1880 obj_tptr+=16; 1881 break; 1882 default: 1883 hexdump=TRUE; 1884 } 1885 break; 1886 1887 /* 1888 * FIXME those are the defined objects that lack a decoder 1889 * you are welcome to contribute code ;-) 1890 */ 1891 1892 case RSVP_OBJ_SCOPE: 1893 case RSVP_OBJ_POLICY_DATA: 1894 case RSVP_OBJ_ACCEPT_LABEL_SET: 1895 case RSVP_OBJ_PROTECTION: 1896 default: 1897 if (ndo->ndo_vflag <= 1) 1898 print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */ 1899 break; 1900 } 1901 /* do we also want to see a hex dump ? */ 1902 if (ndo->ndo_vflag > 1 || hexdump == TRUE) 1903 print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */ 1904 rsvp_obj_len - sizeof(struct rsvp_object_header)); 1905 1906 tptr+=rsvp_obj_len; 1907 tlen-=rsvp_obj_len; 1908 } 1909 return 0; 1910 subobj_tooshort: 1911 ND_PRINT("%sERROR: sub-object is too short", indent); 1912 return -1; 1913 obj_tooshort: 1914 ND_PRINT("%sERROR: object is too short", indent); 1915 return -1; 1916 invalid: 1917 nd_print_invalid(ndo); 1918 return -1; 1919 trunc: 1920 nd_print_trunc(ndo); 1921 return -1; 1922 } 1923 1924 void 1925 rsvp_print(netdissect_options *ndo, 1926 const u_char *pptr, u_int len) 1927 { 1928 const struct rsvp_common_header *rsvp_com_header; 1929 uint8_t version_flags, msg_type; 1930 const u_char *tptr; 1931 u_short plen, tlen; 1932 1933 ndo->ndo_protocol = "rsvp"; 1934 tptr=pptr; 1935 1936 rsvp_com_header = (const struct rsvp_common_header *)pptr; 1937 ND_TCHECK_SIZE(rsvp_com_header); 1938 version_flags = GET_U_1(rsvp_com_header->version_flags); 1939 1940 /* 1941 * Sanity checking of the header. 1942 */ 1943 if (RSVP_EXTRACT_VERSION(version_flags) != RSVP_VERSION) { 1944 ND_PRINT("ERROR: RSVP version %u packet not supported", 1945 RSVP_EXTRACT_VERSION(version_flags)); 1946 return; 1947 } 1948 1949 msg_type = GET_U_1(rsvp_com_header->msg_type); 1950 1951 /* in non-verbose mode just lets print the basic Message Type*/ 1952 if (ndo->ndo_vflag < 1) { 1953 ND_PRINT("RSVPv%u %s Message, length: %u", 1954 RSVP_EXTRACT_VERSION(version_flags), 1955 tok2str(rsvp_msg_type_values, "unknown (%u)",msg_type), 1956 len); 1957 return; 1958 } 1959 1960 /* ok they seem to want to know everything - lets fully decode it */ 1961 1962 plen = tlen = GET_BE_U_2(rsvp_com_header->length); 1963 1964 ND_PRINT("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", 1965 RSVP_EXTRACT_VERSION(version_flags), 1966 tok2str(rsvp_msg_type_values, "unknown, type: %u",msg_type), 1967 msg_type, 1968 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(version_flags)), 1969 tlen, 1970 GET_U_1(rsvp_com_header->ttl), 1971 GET_BE_U_2(rsvp_com_header->checksum)); 1972 1973 if (tlen < sizeof(struct rsvp_common_header)) { 1974 ND_PRINT("ERROR: common header too short %u < %zu", tlen, 1975 sizeof(struct rsvp_common_header)); 1976 return; 1977 } 1978 1979 tptr+=sizeof(struct rsvp_common_header); 1980 tlen-=sizeof(struct rsvp_common_header); 1981 1982 switch(msg_type) { 1983 1984 case RSVP_MSGTYPE_BUNDLE: 1985 /* 1986 * Process each submessage in the bundle message. 1987 * Bundle messages may not contain bundle submessages, so we don't 1988 * need to handle bundle submessages specially. 1989 */ 1990 while(tlen > 0) { 1991 const u_char *subpptr=tptr, *subtptr; 1992 u_short subplen, subtlen; 1993 1994 subtptr=subpptr; 1995 1996 rsvp_com_header = (const struct rsvp_common_header *)subpptr; 1997 ND_TCHECK_SIZE(rsvp_com_header); 1998 version_flags = GET_U_1(rsvp_com_header->version_flags); 1999 2000 /* 2001 * Sanity checking of the header. 2002 */ 2003 if (RSVP_EXTRACT_VERSION(version_flags) != RSVP_VERSION) { 2004 ND_PRINT("ERROR: RSVP version %u packet not supported", 2005 RSVP_EXTRACT_VERSION(version_flags)); 2006 return; 2007 } 2008 2009 subplen = subtlen = GET_BE_U_2(rsvp_com_header->length); 2010 2011 msg_type = GET_U_1(rsvp_com_header->msg_type); 2012 ND_PRINT("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", 2013 RSVP_EXTRACT_VERSION(version_flags), 2014 tok2str(rsvp_msg_type_values, "unknown, type: %u",msg_type), 2015 msg_type, 2016 bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(version_flags)), 2017 subtlen, 2018 GET_U_1(rsvp_com_header->ttl), 2019 GET_BE_U_2(rsvp_com_header->checksum)); 2020 2021 if (subtlen < sizeof(struct rsvp_common_header)) { 2022 ND_PRINT("ERROR: common header too short %u < %zu", subtlen, 2023 sizeof(struct rsvp_common_header)); 2024 return; 2025 } 2026 2027 if (tlen < subtlen) { 2028 ND_PRINT("ERROR: common header too large %u > %u", subtlen, 2029 tlen); 2030 return; 2031 } 2032 2033 subtptr+=sizeof(struct rsvp_common_header); 2034 subtlen-=sizeof(struct rsvp_common_header); 2035 2036 /* 2037 * Print all objects in the submessage. 2038 */ 2039 if (rsvp_obj_print(ndo, subpptr, subplen, subtptr, "\n\t ", subtlen, rsvp_com_header) == -1) 2040 return; 2041 2042 tptr+=subtlen+sizeof(struct rsvp_common_header); 2043 tlen-=subtlen+sizeof(struct rsvp_common_header); 2044 } 2045 2046 break; 2047 2048 case RSVP_MSGTYPE_PATH: 2049 case RSVP_MSGTYPE_RESV: 2050 case RSVP_MSGTYPE_PATHERR: 2051 case RSVP_MSGTYPE_RESVERR: 2052 case RSVP_MSGTYPE_PATHTEAR: 2053 case RSVP_MSGTYPE_RESVTEAR: 2054 case RSVP_MSGTYPE_RESVCONF: 2055 case RSVP_MSGTYPE_HELLO_OLD: 2056 case RSVP_MSGTYPE_HELLO: 2057 case RSVP_MSGTYPE_ACK: 2058 case RSVP_MSGTYPE_SREFRESH: 2059 /* 2060 * Print all objects in the message. 2061 */ 2062 if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen, rsvp_com_header) == -1) 2063 return; 2064 break; 2065 2066 default: 2067 print_unknown_data(ndo, tptr, "\n\t ", tlen); 2068 break; 2069 } 2070 2071 return; 2072 trunc: 2073 nd_print_trunc(ndo); 2074 } 2075
Indexes created Wed Mar 25 00:23:37 UTC 2026