contrib/tcpdump-3.9/print-rsvp.c

   1 /*
   2  * Copyright (c) 1998-2005 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@juniper.net)
  16  */
  17
  18 #ifndef lint
  19 static const char rcsid[] _U_ =
  20     "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.33.2.9 2006/06/23 02:07:27 hannes Exp $";
  21 #endif
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include <tcpdump-stdinc.h>
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32
  33 #include "interface.h"
  34 #include "extract.h"
  35 #include "addrtoname.h"
  36 #include "ethertype.h"
  37 #include "gmpls.h"
  38
  39 /*
  40  * RFC 2205 common header
  41  *
  42  *               0             1              2             3
  43  *        +-------------+-------------+-------------+-------------+
  44  *        | Vers | Flags|  Msg Type   |       RSVP Checksum       |
  45  *        +-------------+-------------+-------------+-------------+
  46  *        |  Send_TTL   | (Reserved)  |        RSVP Length        |
  47  *        +-------------+-------------+-------------+-------------+
  48  *
  49  */
  50
  51 struct rsvp_common_header {
  52     u_int8_t version_flags;
  53     u_int8_t msg_type;
  54     u_int8_t checksum[2];
  55     u_int8_t ttl;
  56     u_int8_t reserved;
  57     u_int8_t length[2];
  58 };
  59
  60 /*
  61  * RFC2205 object header
  62  *
  63  *
  64  *               0             1              2             3
  65  *        +-------------+-------------+-------------+-------------+
  66  *        |       Length (bytes)      |  Class-Num  |   C-Type    |
  67  *        +-------------+-------------+-------------+-------------+
  68  *        |                                                       |
  69  *        //                  (Object contents)                   //
  70  *        |                                                       |
  71  *        +-------------+-------------+-------------+-------------+
  72  */
  73
  74 struct rsvp_object_header {
  75     u_int8_t length[2];
  76     u_int8_t class_num;
  77     u_int8_t ctype;
  78 };
  79
  80 #define RSVP_VERSION            1
  81 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
  82 #define RSVP_EXTRACT_FLAGS(x)   ((x)&0x0f)
  83
  84 #define RSVP_MSGTYPE_PATH       1
  85 #define RSVP_MSGTYPE_RESV       2
  86 #define RSVP_MSGTYPE_PATHERR    3
  87 #define RSVP_MSGTYPE_RESVERR    4
  88 #define RSVP_MSGTYPE_PATHTEAR   5
  89 #define RSVP_MSGTYPE_RESVTEAR   6
  90 #define RSVP_MSGTYPE_RESVCONF   7
  91 #define RSVP_MSGTYPE_AGGREGATE  12
  92 #define RSVP_MSGTYPE_ACK        13
  93 #define RSVP_MSGTYPE_HELLO_OLD  14      /* ancient Hellos */
  94 #define RSVP_MSGTYPE_SREFRESH   15
  95 #define RSVP_MSGTYPE_HELLO      20
  96
  97 static const struct tok rsvp_msg_type_values[] = {
  98     { RSVP_MSGTYPE_PATH,        "Path" },
  99     { RSVP_MSGTYPE_RESV,        "Resv" },
 100     { RSVP_MSGTYPE_PATHERR,     "PathErr" },
 101     { RSVP_MSGTYPE_RESVERR,     "ResvErr" },
 102     { RSVP_MSGTYPE_PATHTEAR,    "PathTear" },
 103     { RSVP_MSGTYPE_RESVTEAR,    "ResvTear" },
 104     { RSVP_MSGTYPE_RESVCONF,    "ResvConf" },
 105     { RSVP_MSGTYPE_AGGREGATE,   "Aggregate" },
 106     { RSVP_MSGTYPE_ACK,         "Acknowledgement" },
 107     { RSVP_MSGTYPE_HELLO_OLD,   "Hello (Old)" },
 108     { RSVP_MSGTYPE_SREFRESH,    "Refresh" },
 109     { RSVP_MSGTYPE_HELLO,       "Hello" },
 110     { 0, NULL}
 111 };
 112
 113 static const struct tok rsvp_header_flag_values[] = {
 114     { 0x01,                   "Refresh reduction capable" }, /* rfc2961 */
 115     { 0, NULL}
 116 };
 117
 118 #define RSVP_OBJ_SESSION            1   /* rfc2205 */
 119 #define RSVP_OBJ_RSVP_HOP           3   /* rfc2205, rfc3473 */
 120 #define RSVP_OBJ_INTEGRITY          4   /* rfc2747 */
 121 #define RSVP_OBJ_TIME_VALUES        5   /* rfc2205 */
 122 #define RSVP_OBJ_ERROR_SPEC         6
 123 #define RSVP_OBJ_SCOPE              7
 124 #define RSVP_OBJ_STYLE              8   /* rfc2205 */
 125 #define RSVP_OBJ_FLOWSPEC           9   /* rfc2215 */
 126 #define RSVP_OBJ_FILTERSPEC         10  /* rfc2215 */
 127 #define RSVP_OBJ_SENDER_TEMPLATE    11
 128 #define RSVP_OBJ_SENDER_TSPEC       12  /* rfc2215 */
 129 #define RSVP_OBJ_ADSPEC             13  /* rfc2215 */
 130 #define RSVP_OBJ_POLICY_DATA        14
 131 #define RSVP_OBJ_CONFIRM            15  /* rfc2205 */
 132 #define RSVP_OBJ_LABEL              16  /* rfc3209 */
 133 #define RSVP_OBJ_LABEL_REQ          19  /* rfc3209 */
 134 #define RSVP_OBJ_ERO                20  /* rfc3209 */
 135 #define RSVP_OBJ_RRO                21  /* rfc3209 */
 136 #define RSVP_OBJ_HELLO              22  /* rfc3209 */
 137 #define RSVP_OBJ_MESSAGE_ID         23
 138 #define RSVP_OBJ_MESSAGE_ID_ACK     24
 139 #define RSVP_OBJ_MESSAGE_ID_LIST    25
 140 #define RSVP_OBJ_RECOVERY_LABEL     34  /* rfc3473 */
 141 #define RSVP_OBJ_UPSTREAM_LABEL     35  /* rfc3473 */
 142 #define RSVP_OBJ_LABEL_SET          36  /* rfc3473 */
 143 #define RSVP_OBJ_PROTECTION         37  /* rfc3473 */
 144 #define RSVP_OBJ_DETOUR             63  /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
 145 #define RSVP_OBJ_CLASSTYPE          66  /* rfc4124 */
 146 #define RSVP_OBJ_CLASSTYPE_OLD      125 /* draft-ietf-tewg-diff-te-proto-07 */
 147 #define RSVP_OBJ_SUGGESTED_LABEL    129 /* rfc3473 */
 148 #define RSVP_OBJ_ACCEPT_LABEL_SET   130 /* rfc3473 */
 149 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
 150 #define RSVP_OBJ_NOTIFY_REQ         195 /* rfc3473 */
 151 #define RSVP_OBJ_ADMIN_STATUS       196 /* rfc3473 */
 152 #define RSVP_OBJ_PROPERTIES         204 /* juniper proprietary */
 153 #define RSVP_OBJ_FASTREROUTE        205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
 154 #define RSVP_OBJ_SESSION_ATTRIBUTE  207 /* rfc3209 */
 155 #define RSVP_OBJ_CALL_ID            230 /* rfc3474 */
 156 #define RSVP_OBJ_CALL_OPS           236 /* rfc3474 */
 157
 158 static const struct tok rsvp_obj_values[] = {
 159     { RSVP_OBJ_SESSION,            "Session" },
 160     { RSVP_OBJ_RSVP_HOP,           "RSVP Hop" },
 161     { RSVP_OBJ_INTEGRITY,          "Integrity" },
 162     { RSVP_OBJ_TIME_VALUES,        "Time Values" },
 163     { RSVP_OBJ_ERROR_SPEC,         "Error Spec" },
 164     { RSVP_OBJ_SCOPE,              "Scope" },
 165     { RSVP_OBJ_STYLE,              "Style" },
 166     { RSVP_OBJ_FLOWSPEC,           "Flowspec" },
 167     { RSVP_OBJ_FILTERSPEC,         "FilterSpec" },
 168     { RSVP_OBJ_SENDER_TEMPLATE,    "Sender Template" },
 169     { RSVP_OBJ_SENDER_TSPEC,       "Sender TSpec" },
 170     { RSVP_OBJ_ADSPEC,             "Adspec" },
 171     { RSVP_OBJ_POLICY_DATA,        "Policy Data" },
 172     { RSVP_OBJ_CONFIRM,            "Confirm" },
 173     { RSVP_OBJ_LABEL,              "Label" },
 174     { RSVP_OBJ_LABEL_REQ,          "Label Request" },
 175     { RSVP_OBJ_ERO,                "ERO" },
 176     { RSVP_OBJ_RRO,                "RRO" },
 177     { RSVP_OBJ_HELLO,              "Hello" },
 178     { RSVP_OBJ_MESSAGE_ID,         "Message ID" },
 179     { RSVP_OBJ_MESSAGE_ID_ACK,     "Message ID Ack" },
 180     { RSVP_OBJ_MESSAGE_ID_LIST,    "Message ID List" },
 181     { RSVP_OBJ_RECOVERY_LABEL,     "Recovery Label" },
 182     { RSVP_OBJ_UPSTREAM_LABEL,     "Upstream Label" },
 183     { RSVP_OBJ_LABEL_SET,          "Label Set" },
 184     { RSVP_OBJ_ACCEPT_LABEL_SET,   "Acceptable Label Set" },
 185     { RSVP_OBJ_DETOUR,             "Detour" },
 186     { RSVP_OBJ_CLASSTYPE,          "Class Type" },
 187     { RSVP_OBJ_CLASSTYPE_OLD,      "Class Type (old)" },
 188     { RSVP_OBJ_SUGGESTED_LABEL,    "Suggested Label" },
 189     { RSVP_OBJ_PROPERTIES,         "Properties" },
 190     { RSVP_OBJ_FASTREROUTE,        "Fast Re-Route" },
 191     { RSVP_OBJ_SESSION_ATTRIBUTE,  "Session Attribute" },
 192     { RSVP_OBJ_CALL_ID,            "Call-ID" },
 193     { RSVP_OBJ_CALL_OPS,           "Call Capability" },
 194     { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
 195     { RSVP_OBJ_NOTIFY_REQ,         "Notify Request" },
 196     { RSVP_OBJ_PROTECTION,         "Protection" },
 197     { RSVP_OBJ_ADMIN_STATUS,       "Administrative Status" },
 198     { 0, NULL}
 199 };
 200
 201 #define RSVP_CTYPE_IPV4        1
 202 #define RSVP_CTYPE_IPV6        2
 203 #define RSVP_CTYPE_TUNNEL_IPV4 7
 204 #define RSVP_CTYPE_TUNNEL_IPV6 8
 205 #define RSVP_CTYPE_1           1
 206 #define RSVP_CTYPE_2           2
 207 #define RSVP_CTYPE_3           3
 208 #define RSVP_CTYPE_4           4
 209
 210 /*
 211  * the ctypes are not globally unique so for
 212  * translating it to strings we build a table based
 213  * on objects offsetted by the ctype
 214  */
 215
 216 static const struct tok rsvp_ctype_values[] = {
 217     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4,                 "IPv4" },
 218     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6,                 "IPv6" },
 219     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3,                    "IPv4 plus opt. TLVs" },
 220     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4,                    "IPv6 plus opt. TLVs" },
 221     { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4,               "IPv4" },
 222     { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6,               "IPv6" },
 223     { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4,                  "IPv4" },
 224     { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6,                  "IPv6" },
 225     { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1,                 "1" },
 226     { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1,                    "obsolete" },
 227     { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2,                    "IntServ" },
 228     { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2,                "IntServ" },
 229     { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2,                      "IntServ" },
 230     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4,               "IPv4" },
 231     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6,               "IPv6" },
 232     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3,                  "IPv6 Flow-label" },
 233     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4,        "Tunnel IPv4" },
 234     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4,                  "IPv4" },
 235     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6,                  "IPv6" },
 236     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4,           "Tunnel IPv4" },
 237     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4,          "IPv4" },
 238     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6,          "IPv6" },
 239     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4,   "Tunnel IPv4" },
 240     { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1,                  "1" },
 241     { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1,              "1" },
 242     { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1,             "1" },
 243     { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1,                       "1" },
 244     { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1,                       "Hello Request" },
 245     { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2,                       "Hello Ack" },
 246     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1,                   "without label range" },
 247     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2,                   "with ATM label range" },
 248     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3,                   "with FR label range" },
 249     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4,                   "Generalized Label" },
 250     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1,                       "Label" },
 251     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2,                       "Generalized Label" },
 252     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3,                       "Waveband Switching" },
 253     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1,             "Label" },
 254     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2,             "Generalized Label" },
 255     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3,             "Waveband Switching" },
 256     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1,              "Label" },
 257     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2,              "Generalized Label" },
 258     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3,              "Waveband Switching" },
 259     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1,              "Label" },
 260     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2,              "Generalized Label" },
 261     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3,              "Waveband Switching" },
 262     { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4,                      "IPv4" },
 263     { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4,                      "IPv4" },
 264     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4,               "IPv4" },
 265     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6,               "IPv6" },
 266     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3,                  "IPv4 plus opt. TLVs" },
 267     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4,                  "IPv6 plus opt. TLVs" },
 268     { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1,          "IPv4" },
 269     { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
 270     { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4,       "Tunnel IPv4" }, /* old style*/
 271     { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1,                 "1" }, /* new style */
 272     { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4,            "Tunnel IPv4" },
 273     { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1,                  "1" },
 274     { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1,                   "1" },
 275     { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1,               "1" },
 276     { 0, NULL}
 277 };
 278
 279 struct rsvp_obj_integrity_t {
 280     u_int8_t flags;
 281     u_int8_t res;
 282     u_int8_t key_id[6];
 283     u_int8_t sequence[8];
 284     u_int8_t digest[16];
 285 };
 286
 287 static const struct tok rsvp_obj_integrity_flag_values[] = {
 288     { 0x80, "Handshake" },
 289     { 0, NULL}
 290 };
 291
 292 struct rsvp_obj_frr_t {
 293     u_int8_t setup_prio;
 294     u_int8_t hold_prio;
 295     u_int8_t hop_limit;
 296     u_int8_t flags;
 297     u_int8_t bandwidth[4];
 298     u_int8_t include_any[4];
 299     u_int8_t exclude_any[4];
 300     u_int8_t include_all[4];
 301 };
 302
 303
 304 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x)   ((x)&0x7f)
 305 #define RSVP_OBJ_XRO_MASK_LOOSE(x)    ((x)&0x80)
 306
 307 #define RSVP_OBJ_XRO_RES       0
 308 #define RSVP_OBJ_XRO_IPV4      1
 309 #define RSVP_OBJ_XRO_IPV6      2
 310 #define RSVP_OBJ_XRO_ASN       32
 311 #define RSVP_OBJ_XRO_MPLS      64
 312
 313 static const struct tok rsvp_obj_xro_values[] = {
 314     { RSVP_OBJ_XRO_RES,       "Reserved" },
 315     { RSVP_OBJ_XRO_IPV4,      "IPv4 prefix" },
 316     { RSVP_OBJ_XRO_IPV6,      "IPv6 prefix" },
 317     { RSVP_OBJ_XRO_ASN,       "Autonomous system number" },
 318     { RSVP_OBJ_XRO_MPLS,      "MPLS label switched path termination" },
 319     { 0, NULL}
 320 };
 321
 322 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
 323 static const struct tok rsvp_obj_rro_flag_values[] = {
 324     { 0x01,                   "Local protection available" },
 325     { 0x02,                   "Local protection in use" },
 326     { 0x04,                   "Bandwidth protection" },
 327     { 0x08,                   "Node protection" },
 328     { 0, NULL}
 329 };
 330
 331 static const struct tok rsvp_resstyle_values[] = {
 332     { 17,                     "Wildcard Filter" },
 333     { 10,                     "Fixed Filter" },
 334     { 18,                     "Shared Explicit" },
 335     { 0, NULL}
 336 };
 337
 338 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
 339 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
 340
 341 static const struct tok rsvp_intserv_service_type_values[] = {
 342     { 1,                                "Default/Global Information" },
 343     { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
 344     { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
 345     { 0, NULL}
 346 };
 347
 348 static const struct tok rsvp_intserv_parameter_id_values[] = {
 349     { 4,                     "IS hop cnt" },
 350     { 6,                     "Path b/w estimate" },
 351     { 8,                     "Minimum path latency" },
 352     { 10,                    "Composed MTU" },
 353     { 127,                   "Token Bucket TSpec" },
 354     { 130,                   "Guaranteed Service RSpec" },
 355     { 133,                   "End-to-end composed value for C" },
 356     { 134,                   "End-to-end composed value for D" },
 357     { 135,                   "Since-last-reshaping point composed C" },
 358     { 136,                   "Since-last-reshaping point composed D" },
 359     { 0, NULL}
 360 };
 361
 362 static struct tok rsvp_session_attribute_flag_values[] = {
 363     { 0x01,                   "Local Protection desired" },
 364     { 0x02,                   "Label Recording desired" },
 365     { 0x04,                   "SE Style desired" },
 366     { 0x08,                   "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
 367     { 0x10,                   "Node protection desired" },      /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
 368     { 0, NULL}
 369 };
 370
 371 static struct tok rsvp_obj_prop_tlv_values[] = {
 372     { 0x01,                   "Cos" },
 373     { 0x02,                   "Metric 1" },
 374     { 0x04,                   "Metric 2" },
 375     { 0x08,                   "CCC Status" },
 376     { 0x10,                   "Path Type" },
 377     { 0, NULL}
 378 };
 379
 380 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
 381 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY  25
 382 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
 383 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
 384
 385 static struct tok rsvp_obj_error_code_values[] = {
 386     { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
 387     { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY,  "Notify Error" },
 388     { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
 389     { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
 390     { 0, NULL}
 391 };
 392
 393 static struct tok rsvp_obj_error_code_routing_values[] = {
 394     { 1,                      "Bad EXPLICIT_ROUTE object" },
 395     { 2,                      "Bad strict node" },
 396     { 3,                      "Bad loose node" },
 397     { 4,                      "Bad initial subobject" },
 398     { 5,                      "No route available toward destination" },
 399     { 6,                      "Unacceptable label value" },
 400     { 7,                      "RRO indicated routing loops" },
 401     { 8,                      "non-RSVP-capable router in the path" },
 402     { 9,                      "MPLS label allocation failure" },
 403     { 10,                     "Unsupported L3PID" },
 404     { 0, NULL}
 405 };
 406
 407 static struct tok rsvp_obj_error_code_diffserv_te_values[] = {
 408     { 1,                      "Unexpected CT object" },
 409     { 2,                      "Unsupported CT" },
 410     { 3,                      "Invalid CT value" },
 411     { 4,                      "CT/setup priority do not form a configured TE-Class" },
 412     { 5,                      "CT/holding priority do not form a configured TE-Class" },
 413     { 6,                      "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
 414     { 7,                      "Inconsistency between signaled PSC and signaled CT" },
 415     { 8,                      "Inconsistency between signaled PHBs and signaled CT" },
 416    { 0, NULL}
 417 };
 418
 419 static int rsvp_intserv_print(const u_char *, u_short);
 420
 421 /*
 422  * this is a dissector for all the intserv defined
 423  * specs as defined per rfc2215
 424  * it is called from various rsvp objects;
 425  * returns the amount of bytes being processed
 426  */
 427 static int
 428 rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) {
 429
 430     int parameter_id,parameter_length;
 431     union {
 432         float f;
 433         u_int32_t i;
 434     } bw;
 435
 436     if (obj_tlen < 4)
 437         return 0;
 438     parameter_id = *(tptr);
 439     parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
 440
 441     printf("\n\t      Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
 442            tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
 443            parameter_id,
 444            parameter_length,
 445            *(tptr+1));
 446
 447     if (obj_tlen < parameter_length+4)
 448         return 0;
 449     switch(parameter_id) { /* parameter_id */
 450
 451     case 4:
 452        /*
 453         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 454         * |    4 (e)      |    (f)        |           1 (g)               |
 455         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 456         * |        IS hop cnt (32-bit unsigned integer)                   |
 457         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 458         */
 459         if (parameter_length == 4)
 460             printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
 461         break;
 462
 463     case 6:
 464        /*
 465         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 466         * |    6 (h)      |    (i)        |           1 (j)               |
 467         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 468         * |  Path b/w estimate  (32-bit IEEE floating point number)       |
 469         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 470         */
 471         if (parameter_length == 4) {
 472             bw.i = EXTRACT_32BITS(tptr+4);
 473             printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
 474         }
 475         break;
 476
 477     case 8:
 478        /*
 479         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 480         * |     8 (k)     |    (l)        |           1 (m)               |
 481         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 482         * |        Minimum path latency (32-bit integer)                  |
 483         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 484         */
 485         if (parameter_length == 4) {
 486             printf("\n\t\tMinimum path latency: ");
 487             if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
 488                 printf("don't care");
 489             else
 490                 printf("%u", EXTRACT_32BITS(tptr+4));
 491         }
 492         break;
 493
 494     case 10:
 495
 496        /*
 497         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 498         * |     10 (n)    |      (o)      |           1 (p)               |
 499         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 500         * |      Composed MTU (32-bit unsigned integer)                   |
 501         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 502         */
 503         if (parameter_length == 4)
 504             printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
 505         break;
 506     case 127:
 507        /*
 508         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 509         * |   127 (e)     |    0 (f)      |             5 (g)             |
 510         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 511         * |  Token Bucket Rate [r] (32-bit IEEE floating point number)    |
 512         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 513         * |  Token Bucket Size [b] (32-bit IEEE floating point number)    |
 514         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 515         * |  Peak Data Rate [p] (32-bit IEEE floating point number)       |
 516         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 517         * |  Minimum Policed Unit [m] (32-bit integer)                    |
 518         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 519         * |  Maximum Packet Size [M]  (32-bit integer)                    |
 520         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 521         */
 522
 523         if (parameter_length == 20) {
 524             bw.i = EXTRACT_32BITS(tptr+4);
 525             printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
 526             bw.i = EXTRACT_32BITS(tptr+8);
 527             printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
 528             bw.i = EXTRACT_32BITS(tptr+12);
 529             printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
 530             printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
 531             printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
 532         }
 533         break;
 534
 535     case 130:
 536        /*
 537         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 538         * |     130 (h)   |    0 (i)      |            2 (j)              |
 539         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 540         * |  Rate [R]  (32-bit IEEE floating point number)                |
 541         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 542         * |  Slack Term [S]  (32-bit integer)                             |
 543         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 544         */
 545
 546         if (parameter_length == 8) {
 547             bw.i = EXTRACT_32BITS(tptr+4);
 548             printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
 549             printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
 550         }
 551         break;
 552
 553     case 133:
 554     case 134:
 555     case 135:
 556     case 136:
 557         if (parameter_length == 4)
 558             printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
 559         break;
 560
 561     default:
 562         if (vflag <= 1)
 563             print_unknown_data(tptr+4,"\n\t\t",parameter_length);
 564     }
 565     return (parameter_length+4); /* header length 4 bytes */
 566 }
 567
 568 static int
 569 rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) {
 570
 571     const struct rsvp_object_header *rsvp_obj_header;
 572     const u_char *obj_tptr;
 573     union {
 574         const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
 575         const struct rsvp_obj_frr_t *rsvp_obj_frr;
 576     } obj_ptr;
 577
 578     u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
 579     int hexdump,processed,padbytes,error_code,error_value,i;
 580     union {
 581         float f;
 582         u_int32_t i;
 583     } bw;
 584     u_int8_t namelen;
 585
 586     while(tlen>=sizeof(struct rsvp_object_header)) {
 587         /* did we capture enough for fully decoding the object header ? */
 588         if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
 589             goto trunc;
 590
 591         rsvp_obj_header = (const struct rsvp_object_header *)tptr;
 592         rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
 593         rsvp_obj_ctype=rsvp_obj_header->ctype;
 594
 595         if(rsvp_obj_len % 4) {
 596             printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len);
 597             return -1;
 598         }
 599         if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
 600             printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
 601                    (unsigned long)sizeof(const struct rsvp_object_header));
 602             return -1;
 603         }
 604
 605         printf("%s%s Object (%u) Flags: [%s",
 606                ident,
 607                tok2str(rsvp_obj_values,
 608                        "Unknown",
 609                        rsvp_obj_header->class_num),
 610                rsvp_obj_header->class_num,
 611                ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
 612
 613         if (rsvp_obj_header->class_num > 128)
 614             printf(" %s",
 615                    ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
 616
 617         printf(" if unknown], Class-Type: %s (%u), length: %u",
 618                tok2str(rsvp_ctype_values,
 619                        "Unknown",
 620                        ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
 621                rsvp_obj_ctype,
 622                rsvp_obj_len);
 623
 624         if(tlen < rsvp_obj_len) {
 625             printf("%sERROR: object goes past end of objects TLV", ident);
 626             return -1;
 627         }
 628
 629         obj_tptr=tptr+sizeof(struct rsvp_object_header);
 630         obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
 631
 632         /* did we capture enough for fully decoding the object ? */
 633         if (!TTEST2(*tptr, rsvp_obj_len))
 634             return -1;
 635         hexdump=FALSE;
 636
 637         switch(rsvp_obj_header->class_num) {
 638         case RSVP_OBJ_SESSION:
 639             switch(rsvp_obj_ctype) {
 640             case RSVP_CTYPE_IPV4:
 641                 if (obj_tlen < 8)
 642                     return -1;
 643                 printf("%s  IPv4 DestAddress: %s, Protocol ID: 0x%02x",
 644                        ident,
 645                        ipaddr_string(obj_tptr),
 646                        *(obj_tptr+sizeof(struct in_addr)));
 647                 printf("%s  Flags: [0x%02x], DestPort %u",
 648                        ident,
 649                        *(obj_tptr+5),
 650                        EXTRACT_16BITS(obj_tptr+6));
 651                 obj_tlen-=8;
 652                 obj_tptr+=8;
 653                 break;
 654 #ifdef INET6
 655             case RSVP_CTYPE_IPV6:
 656                 if (obj_tlen < 20)
 657                     return -1;
 658                 printf("%s  IPv6 DestAddress: %s, Protocol ID: 0x%02x",
 659                        ident,
 660                        ip6addr_string(obj_tptr),
 661                        *(obj_tptr+sizeof(struct in6_addr)));
 662                 printf("%s  Flags: [0x%02x], DestPort %u",
 663                        ident,
 664                        *(obj_tptr+sizeof(struct in6_addr)+1),
 665                        EXTRACT_16BITS(obj_tptr+sizeof(struct in6_addr)+2));
 666                 obj_tlen-=20;
 667                 obj_tptr+=20;
 668                 break;
 669
 670             case RSVP_CTYPE_TUNNEL_IPV6:
 671                 if (obj_tlen < 36)
 672                     return -1;
 673                 printf("%s  IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 674                        ident,
 675                        ip6addr_string(obj_tptr),
 676                        EXTRACT_16BITS(obj_tptr+18),
 677                        ip6addr_string(obj_tptr+20));
 678                 obj_tlen-=36;
 679                 obj_tptr+=36;
 680                 break;
 681 #endif
 682             case RSVP_CTYPE_TUNNEL_IPV4:
 683                 if (obj_tlen < 12)
 684                     return -1;
 685                 printf("%s  IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 686                        ident,
 687                        ipaddr_string(obj_tptr),
 688                        EXTRACT_16BITS(obj_tptr+6),
 689                        ipaddr_string(obj_tptr+8));
 690                 obj_tlen-=12;
 691                 obj_tptr+=12;
 692                 break;
 693             default:
 694                 hexdump=TRUE;
 695             }
 696             break;
 697
 698         case RSVP_OBJ_CONFIRM:
 699             switch(rsvp_obj_ctype) {
 700             case RSVP_CTYPE_IPV4:
 701                 if (obj_tlen < sizeof(struct in_addr))
 702                     return -1;
 703                 printf("%s  IPv4 Receiver Address: %s",
 704                        ident,
 705                        ipaddr_string(obj_tptr));
 706                 obj_tlen-=sizeof(struct in_addr);
 707                 obj_tptr+=sizeof(struct in_addr);
 708                 break;
 709 #ifdef INET6
 710             case RSVP_CTYPE_IPV6:
 711                 if (obj_tlen < sizeof(struct in6_addr))
 712                     return -1;
 713                 printf("%s  IPv6 Receiver Address: %s",
 714                        ident,
 715                        ip6addr_string(obj_tptr));
 716                 obj_tlen-=sizeof(struct in6_addr);
 717                 obj_tptr+=sizeof(struct in6_addr);
 718                 break;
 719 #endif
 720             default:
 721                 hexdump=TRUE;
 722             }
 723             break;
 724
 725         case RSVP_OBJ_NOTIFY_REQ:
 726             switch(rsvp_obj_ctype) {
 727             case RSVP_CTYPE_IPV4:
 728                 if (obj_tlen < sizeof(struct in_addr))
 729                     return -1;
 730                 printf("%s  IPv4 Notify Node Address: %s",
 731                        ident,
 732                        ipaddr_string(obj_tptr));
 733                 obj_tlen-=sizeof(struct in_addr);
 734                 obj_tptr+=sizeof(struct in_addr);
 735                 break;
 736 #ifdef INET6
 737             case RSVP_CTYPE_IPV6:
 738                 if (obj_tlen < sizeof(struct in6_addr))
 739                     return-1;
 740                 printf("%s  IPv6 Notify Node Address: %s",
 741                        ident,
 742                        ip6addr_string(obj_tptr));
 743                 obj_tlen-=sizeof(struct in6_addr);
 744                 obj_tptr+=sizeof(struct in6_addr);
 745                 break;
 746 #endif
 747             default:
 748                 hexdump=TRUE;
 749             }
 750             break;
 751
 752         case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
 753         case RSVP_OBJ_UPSTREAM_LABEL:  /* fall through */
 754         case RSVP_OBJ_RECOVERY_LABEL:  /* fall through */
 755         case RSVP_OBJ_LABEL:
 756             switch(rsvp_obj_ctype) {
 757             case RSVP_CTYPE_1:
 758                 while(obj_tlen >= 4 ) {
 759                     printf("%s  Label: %u", ident, EXTRACT_32BITS(obj_tptr));
 760                     obj_tlen-=4;
 761                     obj_tptr+=4;
 762                 }
 763                 break;
 764             case RSVP_CTYPE_2:
 765                 if (obj_tlen < 4)
 766                     return-1;
 767                 printf("%s  Generalized Label: %u",
 768                        ident,
 769                        EXTRACT_32BITS(obj_tptr));
 770                 obj_tlen-=4;
 771                 obj_tptr+=4;
 772                 break;
 773             case RSVP_CTYPE_3:
 774                 if (obj_tlen < 12)
 775                     return-1;
 776                 printf("%s  Waveband ID: %u%s  Start Label: %u, Stop Label: %u",
 777                        ident,
 778                        EXTRACT_32BITS(obj_tptr),
 779                        ident,
 780                        EXTRACT_32BITS(obj_tptr+4),
 781                        EXTRACT_32BITS(obj_tptr+8));
 782                 obj_tlen-=12;
 783                 obj_tptr+=12;
 784                 break;
 785             default:
 786                 hexdump=TRUE;
 787             }
 788             break;
 789
 790         case RSVP_OBJ_STYLE:
 791             switch(rsvp_obj_ctype) {
 792             case RSVP_CTYPE_1:
 793                 if (obj_tlen < 4)
 794                     return-1;
 795                 printf("%s  Reservation Style: %s, Flags: [0x%02x]",
 796                        ident,
 797                        tok2str(rsvp_resstyle_values,
 798                                "Unknown",
 799                                EXTRACT_24BITS(obj_tptr+1)),
 800                        *(obj_tptr));
 801                 obj_tlen-=4;
 802                 obj_tptr+=4;
 803                 break;
 804             default:
 805                 hexdump=TRUE;
 806             }
 807             break;
 808
 809         case RSVP_OBJ_SENDER_TEMPLATE:
 810             switch(rsvp_obj_ctype) {
 811             case RSVP_CTYPE_IPV4:
 812                 if (obj_tlen < 8)
 813                     return-1;
 814                 printf("%s  Source Address: %s, Source Port: %u",
 815                        ident,
 816                        ipaddr_string(obj_tptr),
 817                        EXTRACT_16BITS(obj_tptr+6));
 818                 obj_tlen-=8;
 819                 obj_tptr+=8;
 820                 break;
 821 #ifdef INET6
 822             case RSVP_CTYPE_IPV6:
 823                 if (obj_tlen < 20)
 824                     return-1;
 825                 printf("%s  Source Address: %s, Source Port: %u",
 826                        ident,
 827                        ip6addr_string(obj_tptr),
 828                        EXTRACT_16BITS(obj_tptr+18));
 829                 obj_tlen-=20;
 830                 obj_tptr+=20;
 831                 break;
 832 #endif
 833             case RSVP_CTYPE_TUNNEL_IPV4:
 834                 if (obj_tlen < 8)
 835                     return-1;
 836                 printf("%s  IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
 837                        ident,
 838                        ipaddr_string(obj_tptr),
 839                        EXTRACT_16BITS(obj_tptr+6));
 840                 obj_tlen-=8;
 841                 obj_tptr+=8;
 842                 break;
 843             default:
 844                 hexdump=TRUE;
 845             }
 846             break;
 847
 848         case RSVP_OBJ_LABEL_REQ:
 849             switch(rsvp_obj_ctype) {
 850             case RSVP_CTYPE_1:
 851                 while(obj_tlen >= 4 ) {
 852                     printf("%s  L3 Protocol ID: %s",
 853                            ident,
 854                            tok2str(ethertype_values,
 855                                    "Unknown Protocol (0x%04x)",
 856                                    EXTRACT_16BITS(obj_tptr+2)));
 857                     obj_tlen-=4;
 858                     obj_tptr+=4;
 859                 }
 860                 break;
 861             case RSVP_CTYPE_2:
 862                 if (obj_tlen < 12)
 863                     return-1;
 864                 printf("%s  L3 Protocol ID: %s",
 865                        ident,
 866                        tok2str(ethertype_values,
 867                                "Unknown Protocol (0x%04x)",
 868                                EXTRACT_16BITS(obj_tptr+2)));
 869                 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
 870                 printf("%s  Minimum VPI/VCI: %u/%u",
 871                        ident,
 872                        (EXTRACT_16BITS(obj_tptr+4))&0xfff,
 873                        (EXTRACT_16BITS(obj_tptr+6))&0xfff);
 874                 printf("%s  Maximum VPI/VCI: %u/%u",
 875                        ident,
 876                        (EXTRACT_16BITS(obj_tptr+8))&0xfff,
 877                        (EXTRACT_16BITS(obj_tptr+10))&0xfff);
 878                 obj_tlen-=12;
 879                 obj_tptr+=12;
 880                 break;
 881             case RSVP_CTYPE_3:
 882                 if (obj_tlen < 12)
 883                     return-1;
 884                 printf("%s  L3 Protocol ID: %s",
 885                        ident,
 886                        tok2str(ethertype_values,
 887                                "Unknown Protocol (0x%04x)",
 888                                EXTRACT_16BITS(obj_tptr+2)));
 889                 printf("%s  Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
 890                        ident,
 891                        (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
 892                        (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
 893                        (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
 894                        (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
 895                 obj_tlen-=12;
 896                 obj_tptr+=12;
 897                 break;
 898             case RSVP_CTYPE_4:
 899                 if (obj_tlen < 8)
 900                     return-1;
 901                 printf("%s  LSP Encoding Type: %s (%u)",
 902                        ident,
 903                        tok2str(gmpls_encoding_values,
 904                                "Unknown",
 905                                *obj_tptr),
 906                        *obj_tptr);
 907                 printf("%s  Switching Type: %s (%u), Payload ID: %s (0x%04x)",
 908                        ident,
 909                        tok2str(gmpls_switch_cap_values,
 910                                "Unknown",
 911                                *(obj_tptr+1)),
 912                        *(obj_tptr+1),
 913                        tok2str(gmpls_payload_values,
 914                                "Unknown",
 915                                EXTRACT_16BITS(obj_tptr+2)),
 916                        EXTRACT_16BITS(obj_tptr+2));
 917                 obj_tlen-=8;
 918                 obj_tptr+=8;
 919                 break;
 920             default:
 921                 hexdump=TRUE;
 922             }
 923             break;
 924
 925         case RSVP_OBJ_RRO:
 926         case RSVP_OBJ_ERO:
 927             switch(rsvp_obj_ctype) {
 928             case RSVP_CTYPE_IPV4:
 929                 while(obj_tlen >= 4 ) {
 930                     printf("%s  Subobject Type: %s, length %u",
 931                            ident,
 932                            tok2str(rsvp_obj_xro_values,
 933                                    "Unknown %u",
 934                                    RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
 935                            *(obj_tptr+1));
 936
 937                     if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
 938                         printf("%s  ERROR: zero length ERO subtype",ident);
 939                         break;
 940                     }
 941
 942                     switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
 943                     case RSVP_OBJ_XRO_IPV4:
 944                         printf(", %s, %s/%u, Flags: [%s]",
 945                                RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
 946                                ipaddr_string(obj_tptr+2),
 947                                *(obj_tptr+6),
 948                                bittok2str(rsvp_obj_rro_flag_values,
 949                                    "none",
 950                                    *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
 951                     }
 952                     obj_tlen-=*(obj_tptr+1);
 953                     obj_tptr+=*(obj_tptr+1);
 954                 }
 955                 break;
 956             default:
 957                 hexdump=TRUE;
 958             }
 959             break;
 960
 961         case RSVP_OBJ_HELLO:
 962             switch(rsvp_obj_ctype) {
 963             case RSVP_CTYPE_1:
 964             case RSVP_CTYPE_2:
 965                 if (obj_tlen < 8)
 966                     return-1;
 967                 printf("%s  Source Instance: 0x%08x, Destination Instance: 0x%08x",
 968                        ident,
 969                        EXTRACT_32BITS(obj_tptr),
 970                        EXTRACT_32BITS(obj_tptr+4));
 971                 obj_tlen-=8;
 972                 obj_tptr+=8;
 973                 break;
 974             default:
 975                 hexdump=TRUE;
 976             }
 977             break;
 978
 979         case RSVP_OBJ_RESTART_CAPABILITY:
 980             switch(rsvp_obj_ctype) {
 981             case RSVP_CTYPE_1:
 982                 if (obj_tlen < 8)
 983                     return-1;
 984                 printf("%s  Restart  Time: %ums, Recovery Time: %ums",
 985                        ident,
 986                        EXTRACT_32BITS(obj_tptr),
 987                        EXTRACT_32BITS(obj_tptr+4));
 988                 obj_tlen-=8;
 989                 obj_tptr+=8;
 990                 break;
 991             default:
 992                 hexdump=TRUE;
 993             }
 994             break;
 995
 996         case RSVP_OBJ_SESSION_ATTRIBUTE:
 997             switch(rsvp_obj_ctype) {
 998             case RSVP_CTYPE_TUNNEL_IPV4:
 999                 if (obj_tlen < 4)
1000                     return-1;
1001                 namelen = *(obj_tptr+3);
1002                 if (obj_tlen < 4+namelen)
1003                     return-1;
1004                 printf("%s  Session Name: ", ident);
1005                 for (i = 0; i < namelen; i++)
1006                     safeputchar(*(obj_tptr+4+i));
1007                 printf("%s  Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
1008                        ident,
1009                        (int)*obj_tptr,
1010                        (int)*(obj_tptr+1),
1011                        tok2str(rsvp_session_attribute_flag_values,
1012                                   "none",
1013                                   *(obj_tptr+2)));
1014
1015                 obj_tlen-=4+*(obj_tptr+3);
1016                 obj_tptr+=4+*(obj_tptr+3);
1017                 break;
1018             default:
1019                 hexdump=TRUE;
1020             }
1021             break;
1022
1023         case RSVP_OBJ_RSVP_HOP:
1024             switch(rsvp_obj_ctype) {
1025             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1026             case RSVP_CTYPE_IPV4:
1027                 if (obj_tlen < 8)
1028                     return-1;
1029                 printf("%s  Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1030                        ident,
1031                        ipaddr_string(obj_tptr),
1032                        EXTRACT_32BITS(obj_tptr+4));
1033                 obj_tlen-=8;
1034                 obj_tptr+=8;
1035                 if (obj_tlen)
1036                     hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1037                 break;
1038 #ifdef INET6
1039             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1040             case RSVP_CTYPE_IPV6:
1041                 if (obj_tlen < 20)
1042                     return-1;
1043                 printf("%s  Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1044                        ident,
1045                        ip6addr_string(obj_tptr),
1046                        EXTRACT_32BITS(obj_tptr+16));
1047                 obj_tlen-=20;
1048                 obj_tptr+=20;
1049                 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1050                 break;
1051 #endif
1052             default:
1053                 hexdump=TRUE;
1054             }
1055             break;
1056
1057         case RSVP_OBJ_TIME_VALUES:
1058             switch(rsvp_obj_ctype) {
1059             case RSVP_CTYPE_1:
1060                 if (obj_tlen < 4)
1061                     return-1;
1062                 printf("%s  Refresh Period: %ums",
1063                        ident,
1064                        EXTRACT_32BITS(obj_tptr));
1065                 obj_tlen-=4;
1066                 obj_tptr+=4;
1067                 break;
1068             default:
1069                 hexdump=TRUE;
1070             }
1071             break;
1072
1073         /* those three objects do share the same semantics */
1074         case RSVP_OBJ_SENDER_TSPEC:
1075         case RSVP_OBJ_ADSPEC:
1076         case RSVP_OBJ_FLOWSPEC:
1077             switch(rsvp_obj_ctype) {
1078             case RSVP_CTYPE_2:
1079                 if (obj_tlen < 4)
1080                     return-1;
1081                 printf("%s  Msg-Version: %u, length: %u",
1082                        ident,
1083                        (*obj_tptr & 0xf0) >> 4,
1084                        EXTRACT_16BITS(obj_tptr+2)<<2);
1085                 obj_tptr+=4; /* get to the start of the service header */
1086                 obj_tlen-=4;
1087
1088                 while (obj_tlen >= 4) {
1089                     intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1090                     printf("%s  Service Type: %s (%u), break bit %s set, Service length: %u",
1091                            ident,
1092                            tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1093                            *(obj_tptr),
1094                            (*(obj_tptr+1)&0x80) ? "" : "not",
1095                            intserv_serv_tlen);
1096
1097                     obj_tptr+=4; /* get to the start of the parameter list */
1098                     obj_tlen-=4;
1099
1100                     while (intserv_serv_tlen>=4) {
1101                         processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1102                         if (processed == 0)
1103                             break;
1104                         obj_tlen-=processed;
1105                         intserv_serv_tlen-=processed;
1106                         obj_tptr+=processed;
1107                     }
1108                 }
1109                 break;
1110             default:
1111                 hexdump=TRUE;
1112             }
1113             break;
1114
1115         case RSVP_OBJ_FILTERSPEC:
1116             switch(rsvp_obj_ctype) {
1117             case RSVP_CTYPE_IPV4:
1118                 if (obj_tlen < 8)
1119                     return-1;
1120                 printf("%s  Source Address: %s, Source Port: %u",
1121                        ident,
1122                        ipaddr_string(obj_tptr),
1123                        EXTRACT_16BITS(obj_tptr+6));
1124                 obj_tlen-=8;
1125                 obj_tptr+=8;
1126                 break;
1127 #ifdef INET6
1128             case RSVP_CTYPE_IPV6:
1129                 if (obj_tlen < 20)
1130                     return-1;
1131                 printf("%s  Source Address: %s, Source Port: %u",
1132                        ident,
1133                        ip6addr_string(obj_tptr),
1134                        EXTRACT_16BITS(obj_tptr+18));
1135                 obj_tlen-=20;
1136                 obj_tptr+=20;
1137                 break;
1138             case RSVP_CTYPE_3:
1139                 if (obj_tlen < 20)
1140                     return-1;
1141                 printf("%s  Source Address: %s, Flow Label: %u",
1142                        ident,
1143                        ip6addr_string(obj_tptr),
1144                        EXTRACT_24BITS(obj_tptr+17));
1145                 obj_tlen-=20;
1146                 obj_tptr+=20;
1147                 break;
1148             case RSVP_CTYPE_TUNNEL_IPV6:
1149                 if (obj_tlen < 20)
1150                     return-1;
1151                 printf("%s  Source Address: %s, LSP-ID: 0x%04x",
1152                        ident,
1153                        ipaddr_string(obj_tptr),
1154                        EXTRACT_16BITS(obj_tptr+18));
1155                 obj_tlen-=20;
1156                 obj_tptr+=20;
1157                 break;
1158 #endif
1159             case RSVP_CTYPE_TUNNEL_IPV4:
1160                 if (obj_tlen < 8)
1161                     return-1;
1162                 printf("%s  Source Address: %s, LSP-ID: 0x%04x",
1163                        ident,
1164                        ipaddr_string(obj_tptr),
1165                        EXTRACT_16BITS(obj_tptr+6));
1166                 obj_tlen-=8;
1167                 obj_tptr+=8;
1168                 break;
1169             default:
1170                 hexdump=TRUE;
1171             }
1172             break;
1173
1174         case RSVP_OBJ_FASTREROUTE:
1175             /* the differences between c-type 1 and 7 are minor */
1176             obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1177             bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1178
1179             switch(rsvp_obj_ctype) {
1180             case RSVP_CTYPE_1: /* new style */
1181                 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1182                     return-1;
1183                 printf("%s  Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1184                        ident,
1185                        (int)obj_ptr.rsvp_obj_frr->setup_prio,
1186                        (int)obj_ptr.rsvp_obj_frr->hold_prio,
1187                        (int)obj_ptr.rsvp_obj_frr->hop_limit,
1188                         bw.f*8/1000000);
1189                 printf("%s  Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1190                        ident,
1191                        EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1192                        EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1193                        EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all));
1194                 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1195                 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1196                 break;
1197
1198             case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1199                 if (obj_tlen < 16)
1200                     return-1;
1201                 printf("%s  Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1202                        ident,
1203                        (int)obj_ptr.rsvp_obj_frr->setup_prio,
1204                        (int)obj_ptr.rsvp_obj_frr->hold_prio,
1205                        (int)obj_ptr.rsvp_obj_frr->hop_limit,
1206                         bw.f*8/1000000);
1207                 printf("%s  Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1208                        ident,
1209                        EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1210                        EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any));
1211                 obj_tlen-=16;
1212                 obj_tptr+=16;
1213                 break;
1214
1215             default:
1216                 hexdump=TRUE;
1217             }
1218             break;
1219
1220         case RSVP_OBJ_DETOUR:
1221             switch(rsvp_obj_ctype) {
1222             case RSVP_CTYPE_TUNNEL_IPV4:
1223                 while(obj_tlen >= 8) {
1224                     printf("%s  PLR-ID: %s, Avoid-Node-ID: %s",
1225                            ident,
1226                            ipaddr_string(obj_tptr),
1227                            ipaddr_string(obj_tptr+4));
1228                     obj_tlen-=8;
1229                     obj_tptr+=8;
1230                 }
1231                 break;
1232             default:
1233                 hexdump=TRUE;
1234             }
1235             break;
1236
1237         case RSVP_OBJ_CLASSTYPE:
1238         case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1239             switch(rsvp_obj_ctype) {
1240             case RSVP_CTYPE_1:
1241                 printf("%s  CT: %u",
1242                        ident,
1243                        EXTRACT_32BITS(obj_tptr)&0x7);
1244                 obj_tlen-=4;
1245                 obj_tptr+=4;
1246                 break;
1247             default:
1248                 hexdump=TRUE;
1249             }
1250             break;
1251
1252         case RSVP_OBJ_ERROR_SPEC:
1253             switch(rsvp_obj_ctype) {
1254             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1255             case RSVP_CTYPE_IPV4:
1256                 if (obj_tlen < 8)
1257                     return-1;
1258                 error_code=*(obj_tptr+5);
1259                 error_value=EXTRACT_16BITS(obj_tptr+6);
1260                 printf("%s  Error Node Address: %s, Flags: [0x%02x]%s  Error Code: %s (%u)",
1261                        ident,
1262                        ipaddr_string(obj_tptr),
1263                        *(obj_tptr+4),
1264                        ident,
1265                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1266                        error_code);
1267                 switch (error_code) {
1268                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1269                     printf(", Error Value: %s (%u)",
1270                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1271                            error_value);
1272                     break;
1273                 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1274                 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1275                     printf(", Error Value: %s (%u)",
1276                            tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1277                            error_value);
1278                     break;
1279                 default:
1280                     printf(", Unknown Error Value (%u)", error_value);
1281                     break;
1282                 }
1283                 obj_tlen-=8;
1284                 obj_tptr+=8;
1285                 break;
1286 #ifdef INET6
1287             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1288             case RSVP_CTYPE_IPV6:
1289                 if (obj_tlen < 20)
1290                     return-1;
1291                 error_code=*(obj_tptr+17);
1292                 error_value=EXTRACT_16BITS(obj_tptr+18);
1293                 printf("%s  Error Node Address: %s, Flags: [0x%02x]%s  Error Code: %s (%u)",
1294                        ident,
1295                        ip6addr_string(obj_tptr),
1296                        *(obj_tptr+16),
1297                        ident,
1298                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1299                        error_code);
1300
1301                 switch (error_code) {
1302                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1303                     printf(", Error Value: %s (%u)",
1304                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1305                            error_value);
1306                     break;
1307                 default:
1308                     break;
1309                 }
1310                 obj_tlen-=20;
1311                 obj_tptr+=20;
1312                 break;
1313 #endif
1314             default:
1315                 hexdump=TRUE;
1316             }
1317             break;
1318
1319         case RSVP_OBJ_PROPERTIES:
1320             switch(rsvp_obj_ctype) {
1321             case RSVP_CTYPE_1:
1322                 if (obj_tlen < 4)
1323                     return-1;
1324                 padbytes = EXTRACT_16BITS(obj_tptr+2);
1325                 printf("%s  TLV count: %u, padding bytes: %u",
1326                        ident,
1327                        EXTRACT_16BITS(obj_tptr),
1328                        padbytes);
1329                 obj_tlen-=4;
1330                 obj_tptr+=4;
1331                 /* loop through as long there is anything longer than the TLV header (2) */
1332                 while(obj_tlen >= 2 + padbytes) {
1333                     printf("%s    %s TLV (0x%02x), length: %u", /* length includes header */
1334                            ident,
1335                            tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1336                            *obj_tptr,
1337                            *(obj_tptr+1));
1338                     if (obj_tlen < *(obj_tptr+1))
1339                         return-1;
1340                     if (*(obj_tptr+1) < 2)
1341                         return -1;
1342                     print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1343                     obj_tlen-=*(obj_tptr+1);
1344                     obj_tptr+=*(obj_tptr+1);
1345                 }
1346                 break;
1347             default:
1348                 hexdump=TRUE;
1349             }
1350             break;
1351
1352         case RSVP_OBJ_MESSAGE_ID:     /* fall through */
1353         case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1354         case RSVP_OBJ_MESSAGE_ID_LIST:
1355             switch(rsvp_obj_ctype) {
1356             case RSVP_CTYPE_1:
1357                 if (obj_tlen < 8)
1358                     return-1;
1359                 printf("%s  Flags [0x%02x], epoch: %u",
1360                        ident,
1361                        *obj_tptr,
1362                        EXTRACT_24BITS(obj_tptr+1));
1363                 obj_tlen-=4;
1364                 obj_tptr+=4;
1365                 /* loop through as long there are no messages left */
1366                 while(obj_tlen >= 4) {
1367                     printf("%s    Message-ID 0x%08x (%u)",
1368                            ident,
1369                            EXTRACT_32BITS(obj_tptr),
1370                            EXTRACT_32BITS(obj_tptr));
1371                     obj_tlen-=4;
1372                     obj_tptr+=4;
1373                 }
1374                 break;
1375             default:
1376                 hexdump=TRUE;
1377             }
1378             break;
1379
1380         case RSVP_OBJ_INTEGRITY:
1381             switch(rsvp_obj_ctype) {
1382             case RSVP_CTYPE_1:
1383                 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1384                     return-1;
1385                 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1386                 printf("%s  Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1387                        ident,
1388                        EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1389                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1390                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1391                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1392                        bittok2str(rsvp_obj_integrity_flag_values,
1393                                   "none",
1394                                   obj_ptr.rsvp_obj_integrity->flags));
1395                 printf("%s  MD5-sum 0x%08x%08x%08x%08x (unverified)",
1396                        ident,
1397                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1398                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1399                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1400                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+12));
1401                 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1402                 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1403                 break;
1404             default:
1405                 hexdump=TRUE;
1406             }
1407             break;
1408
1409         /*
1410          *  FIXME those are the defined objects that lack a decoder
1411          *  you are welcome to contribute code ;-)
1412          */
1413
1414         case RSVP_OBJ_SCOPE:
1415         case RSVP_OBJ_POLICY_DATA:
1416         case RSVP_OBJ_LABEL_SET:
1417         case RSVP_OBJ_ACCEPT_LABEL_SET:
1418         case RSVP_OBJ_PROTECTION:
1419         default:
1420             if (vflag <= 1)
1421                 print_unknown_data(obj_tptr,"\n\t    ",obj_tlen); /* FIXME indentation */
1422             break;
1423         }
1424         /* do we also want to see a hex dump ? */
1425         if (vflag > 1 || hexdump==TRUE)
1426             print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t    ", /* FIXME indentation */
1427                                rsvp_obj_len-sizeof(struct rsvp_object_header));
1428
1429         tptr+=rsvp_obj_len;
1430         tlen-=rsvp_obj_len;
1431     }
1432     return 0;
1433 trunc:
1434     printf("\n\t\t packet exceeded snapshot");
1435     return -1;
1436 }
1437
1438
1439 void
1440 rsvp_print(register const u_char *pptr, register u_int len) {
1441
1442     const struct rsvp_common_header *rsvp_com_header;
1443     const u_char *tptr,*subtptr;
1444     u_short tlen,subtlen;
1445
1446     tptr=pptr;
1447
1448     rsvp_com_header = (const struct rsvp_common_header *)pptr;
1449     TCHECK(*rsvp_com_header);
1450
1451     /*
1452      * Sanity checking of the header.
1453      */
1454     if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1455         printf("ERROR: RSVP version %u packet not supported",
1456                RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1457         return;
1458     }
1459
1460     /* in non-verbose mode just lets print the basic Message Type*/
1461     if (vflag < 1) {
1462         printf("RSVPv%u %s Message, length: %u",
1463                RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1464                tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1465                len);
1466         return;
1467     }
1468
1469     /* ok they seem to want to know everything - lets fully decode it */
1470
1471     tlen=EXTRACT_16BITS(rsvp_com_header->length);
1472
1473     printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1474            RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1475            tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1476            rsvp_com_header->msg_type,
1477            bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1478            tlen,
1479            rsvp_com_header->ttl,
1480            EXTRACT_16BITS(rsvp_com_header->checksum));
1481
1482     if (tlen < sizeof(const struct rsvp_common_header)) {
1483         printf("ERROR: common header too short %u < %lu", tlen,
1484                (unsigned long)sizeof(const struct rsvp_common_header));
1485         return;
1486     }
1487
1488     tptr+=sizeof(const struct rsvp_common_header);
1489     tlen-=sizeof(const struct rsvp_common_header);
1490
1491     switch(rsvp_com_header->msg_type) {
1492
1493     case RSVP_MSGTYPE_AGGREGATE:
1494         while(tlen > 0) {
1495             subtptr=tptr;
1496             rsvp_com_header = (const struct rsvp_common_header *)subtptr;
1497             TCHECK(*rsvp_com_header);
1498
1499             /*
1500              * Sanity checking of the header.
1501              */
1502             if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1503                 printf("ERROR: RSVP version %u packet not supported",
1504                        RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1505                 return;
1506             }
1507             subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1508
1509             printf("\n\t  RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1510                    RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1511                    tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1512                    rsvp_com_header->msg_type,
1513                    bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1514                    subtlen,
1515                    rsvp_com_header->ttl,
1516                    EXTRACT_16BITS(rsvp_com_header->checksum));
1517
1518             if (subtlen < sizeof(const struct rsvp_common_header)) {
1519                 printf("ERROR: common header too short %u < %lu", subtlen,
1520                        (unsigned long)sizeof(const struct rsvp_common_header));
1521                 return;
1522             }
1523
1524             if (tlen < subtlen) {
1525                 printf("ERROR: common header too large %u > %u", subtlen,
1526                        tlen);
1527                 return;
1528             }
1529
1530             subtptr+=sizeof(const struct rsvp_common_header);
1531             subtlen-=sizeof(const struct rsvp_common_header);
1532
1533             if (rsvp_obj_print(subtptr,"\n\t    ", subtlen) == -1)
1534                 return;
1535
1536             tptr+=subtlen+sizeof(const struct rsvp_common_header);
1537             tlen-=subtlen+sizeof(const struct rsvp_common_header);
1538         }
1539
1540         break;
1541
1542     case RSVP_MSGTYPE_PATH:
1543     case RSVP_MSGTYPE_RESV:
1544     case RSVP_MSGTYPE_PATHERR:
1545     case RSVP_MSGTYPE_RESVERR:
1546     case RSVP_MSGTYPE_PATHTEAR:
1547     case RSVP_MSGTYPE_RESVTEAR:
1548     case RSVP_MSGTYPE_RESVCONF:
1549     case RSVP_MSGTYPE_HELLO_OLD:
1550     case RSVP_MSGTYPE_HELLO:
1551     case RSVP_MSGTYPE_ACK:
1552     case RSVP_MSGTYPE_SREFRESH:
1553         if (rsvp_obj_print(tptr,"\n\t  ", tlen) == -1)
1554             return;
1555         break;
1556
1557     default:
1558         print_unknown_data(tptr,"\n\t    ",tlen);
1559         break;
1560     }
1561
1562     return;
1563 trunc:
1564     printf("\n\t\t packet exceeded snapshot");
1565 }