user/tcpdump/print-rsvp.c

   1 /*
   2  * Redistribution and use in source and binary forms, with or without
   3  * modification, are permitted provided that: (1) source code
   4  * distributions retain the above copyright notice and this paragraph
   5  * in its entirety, and (2) distributions including binary code include
   6  * the above copyright notice and this paragraph in its entirety in
   7  * the documentation or other materials provided with the distribution.
   8  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
   9  * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
  10  * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  11  * FOR A PARTICULAR PURPOSE.
  12  *
  13  * Original code by Hannes Gredler (hannes@juniper.net)
  14  */
  15
  16 #ifndef lint
  17 static const char rcsid[] _U_ =
  18     "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.33.2.4 2005/07/11 20:24:35 hannes Exp $";
  19 #endif
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #endif
  24
  25 #if !defined(EMBED)
  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
 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-01 */
 145 #define RSVP_OBJ_CLASSTYPE          125 /* draft-ietf-tewg-diff-te-proto-07 */
 146 #define RSVP_OBJ_SUGGESTED_LABEL    129 /* rfc3473 */
 147 #define RSVP_OBJ_ACCEPT_LABEL_SET   130 /* rfc3473 */
 148 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
 149 #define RSVP_OBJ_NOTIFY_REQ         195 /* rfc3473 */
 150 #define RSVP_OBJ_ADMIN_STATUS       196 /* rfc3473 */
 151 #define RSVP_OBJ_PROPERTIES         204 /* juniper proprietary */
 152 #define RSVP_OBJ_FASTREROUTE        205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
 153 #define RSVP_OBJ_SESSION_ATTRIBUTE  207 /* rfc3209 */
 154 #define RSVP_OBJ_CALL_ID            230 /* rfc3474 */
 155 #define RSVP_OBJ_CALL_OPS           236 /* rfc3474 */
 156
 157 static const struct tok rsvp_obj_values[] = {
 158     { RSVP_OBJ_SESSION,            "Session" },
 159     { RSVP_OBJ_RSVP_HOP,           "RSVP Hop" },
 160     { RSVP_OBJ_INTEGRITY,          "Integrity" },
 161     { RSVP_OBJ_TIME_VALUES,        "Time Values" },
 162     { RSVP_OBJ_ERROR_SPEC,         "Error Spec" },
 163     { RSVP_OBJ_SCOPE,              "Scope" },
 164     { RSVP_OBJ_STYLE,              "Style" },
 165     { RSVP_OBJ_FLOWSPEC,           "Flowspec" },
 166     { RSVP_OBJ_FILTERSPEC,         "FilterSpec" },
 167     { RSVP_OBJ_SENDER_TEMPLATE,    "Sender Template" },
 168     { RSVP_OBJ_SENDER_TSPEC,       "Sender TSpec" },
 169     { RSVP_OBJ_ADSPEC,             "Adspec" },
 170     { RSVP_OBJ_POLICY_DATA,        "Policy Data" },
 171     { RSVP_OBJ_CONFIRM,            "Confirm" },
 172     { RSVP_OBJ_LABEL,              "Label" },
 173     { RSVP_OBJ_LABEL_REQ,          "Label Request" },
 174     { RSVP_OBJ_ERO,                "ERO" },
 175     { RSVP_OBJ_RRO,                "RRO" },
 176     { RSVP_OBJ_HELLO,              "Hello" },
 177     { RSVP_OBJ_MESSAGE_ID,         "Message ID" },
 178     { RSVP_OBJ_MESSAGE_ID_ACK,     "Message ID Ack" },
 179     { RSVP_OBJ_MESSAGE_ID_LIST,    "Message ID List" },
 180     { RSVP_OBJ_RECOVERY_LABEL,     "Recovery Label" },
 181     { RSVP_OBJ_UPSTREAM_LABEL,     "Upstream Label" },
 182     { RSVP_OBJ_LABEL_SET,          "Label Set" },
 183     { RSVP_OBJ_ACCEPT_LABEL_SET,   "Acceptable Label Set" },
 184     { RSVP_OBJ_DETOUR,             "Detour" },
 185     { RSVP_OBJ_CLASSTYPE,          "Class Type" },
 186     { RSVP_OBJ_SUGGESTED_LABEL,    "Suggested Label" },
 187     { RSVP_OBJ_PROPERTIES,         "Properties" },
 188     { RSVP_OBJ_FASTREROUTE,        "Fast Re-Route" },
 189     { RSVP_OBJ_SESSION_ATTRIBUTE,  "Session Attribute" },
 190     { RSVP_OBJ_CALL_ID,            "Call-ID" },
 191     { RSVP_OBJ_CALL_OPS,           "Call Capability" },
 192     { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
 193     { RSVP_OBJ_NOTIFY_REQ,         "Notify Request" },
 194     { RSVP_OBJ_PROTECTION,         "Protection" },
 195     { RSVP_OBJ_ADMIN_STATUS,       "Administrative Status" },
 196     { 0, NULL}
 197 };
 198
 199 #define RSVP_CTYPE_IPV4        1
 200 #define RSVP_CTYPE_IPV6        2
 201 #define RSVP_CTYPE_TUNNEL_IPV4 7
 202 #define RSVP_CTYPE_TUNNEL_IPV6 8
 203 #define RSVP_CTYPE_1           1
 204 #define RSVP_CTYPE_2           2
 205 #define RSVP_CTYPE_3           3
 206 #define RSVP_CTYPE_4           4
 207
 208 /*
 209  * the ctypes are not globally unique so for
 210  * translating it to strings we build a table based
 211  * on objects offsetted by the ctype
 212  */
 213
 214 static const struct tok rsvp_ctype_values[] = {
 215     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4,                 "IPv4" },
 216     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6,                 "IPv6" },
 217     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3,                    "IPv4 plus opt. TLVs" },
 218     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4,                    "IPv6 plus opt. TLVs" },
 219     { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4,               "IPv4" },
 220     { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6,               "IPv6" },
 221     { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4,                  "IPv4" },
 222     { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6,                  "IPv6" },
 223     { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1,                 "1" },
 224     { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1,                    "obsolete" },
 225     { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2,                    "IntServ" },
 226     { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2,                "IntServ" },
 227     { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2,                      "IntServ" },
 228     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4,               "IPv4" },
 229     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6,               "IPv6" },
 230     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3,                  "IPv6 Flow-label" },
 231     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4,        "Tunnel IPv4" },
 232     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4,                  "IPv4" },
 233     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6,                  "IPv6" },
 234     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4,           "Tunnel IPv4" },
 235     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4,          "IPv4" },
 236     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6,          "IPv6" },
 237     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4,   "Tunnel IPv4" },
 238     { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1,                  "1" },
 239     { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1,              "1" },
 240     { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1,             "1" },
 241     { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1,                       "1" },
 242     { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1,                       "Hello Request" },
 243     { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2,                       "Hello Ack" },
 244     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1,                   "without label range" },
 245     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2,                   "with ATM label range" },
 246     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3,                   "with FR label range" },
 247     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4,                   "Generalized Label" },
 248     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1,                       "Label" },
 249     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2,                       "Generalized Label" },
 250     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3,                       "Waveband Switching" },
 251     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1,             "Label" },
 252     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2,             "Generalized Label" },
 253     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3,             "Waveband Switching" },
 254     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1,              "Label" },
 255     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2,              "Generalized Label" },
 256     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3,              "Waveband Switching" },
 257     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1,              "Label" },
 258     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2,              "Generalized Label" },
 259     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3,              "Waveband Switching" },
 260     { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4,                      "IPv4" },
 261     { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4,                      "IPv4" },
 262     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4,               "IPv4" },
 263     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6,               "IPv6" },
 264     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3,                  "IPv4 plus opt. TLVs" },
 265     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4,                  "IPv6 plus opt. TLVs" },
 266     { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1,          "IPv4" },
 267     { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
 268     { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4,       "Tunnel IPv4" },
 269     { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4,            "Tunnel IPv4" },
 270     { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1,                  "1" },
 271     { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1,                   "1" },
 272     { 0, NULL}
 273 };
 274
 275 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x)   ((x)&0x7f)
 276 #define RSVP_OBJ_XRO_MASK_LOOSE(x)    ((x)&0x80)
 277
 278 #define RSVP_OBJ_XRO_RES       0
 279 #define RSVP_OBJ_XRO_IPV4      1
 280 #define RSVP_OBJ_XRO_IPV6      2
 281 #define RSVP_OBJ_XRO_ASN       32
 282 #define RSVP_OBJ_XRO_MPLS      64
 283
 284 static const struct tok rsvp_obj_xro_values[] = {
 285     { RSVP_OBJ_XRO_RES,       "Reserved" },
 286     { RSVP_OBJ_XRO_IPV4,      "IPv4 prefix" },
 287     { RSVP_OBJ_XRO_IPV6,      "IPv6 prefix" },
 288     { RSVP_OBJ_XRO_ASN,       "Autonomous system number" },
 289     { RSVP_OBJ_XRO_MPLS,      "MPLS label switched path termination" },
 290     { 0, NULL}
 291 };
 292
 293 /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
 294 static const struct tok rsvp_obj_rro_flag_values[] = {
 295     { 0x01,                   "Local protection available" },
 296     { 0x02,                   "Local protection in use" },
 297     { 0x04,                   "Bandwidth protection" },
 298     { 0x08,                   "Node protection" },
 299     { 0, NULL}
 300 };
 301
 302 static const struct tok rsvp_resstyle_values[] = {
 303     { 17,                     "Wildcard Filter" },
 304     { 10,                     "Fixed Filter" },
 305     { 18,                     "Shared Explicit" },
 306     { 0, NULL}
 307 };
 308
 309 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
 310 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
 311
 312 static const struct tok rsvp_intserv_service_type_values[] = {
 313     { 1,                                "Default/Global Information" },
 314     { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
 315     { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
 316     { 0, NULL}
 317 };
 318
 319 static const struct tok rsvp_intserv_parameter_id_values[] = {
 320     { 4,                     "IS hop cnt" },
 321     { 6,                     "Path b/w estimate" },
 322     { 8,                     "Minimum path latency" },
 323     { 10,                    "Composed MTU" },
 324     { 127,                   "Token Bucket TSpec" },
 325     { 130,                   "Guaranteed Service RSpec" },
 326     { 133,                   "End-to-end composed value for C" },
 327     { 134,                   "End-to-end composed value for D" },
 328     { 135,                   "Since-last-reshaping point composed C" },
 329     { 136,                   "Since-last-reshaping point composed D" },
 330     { 0, NULL}
 331 };
 332
 333 static struct tok rsvp_session_attribute_flag_values[] = {
 334     { 0x01,                   "Local Protection desired" },
 335     { 0x02,                   "Label Recording desired" },
 336     { 0x04,                   "SE Style desired" },
 337     { 0x08,                   "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
 338     { 0x10,                   "Node protection desired" },      /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
 339     { 0, NULL}
 340 };
 341
 342 static struct tok rsvp_obj_prop_tlv_values[] = {
 343     { 0x01,                   "Cos" },
 344     { 0x02,                   "Metric 1" },
 345     { 0x04,                   "Metric 2" },
 346     { 0x08,                   "CCC Status" },
 347     { 0x10,                   "Path Type" },
 348     { 0, NULL}
 349 };
 350
 351 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
 352 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY  25
 353 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 125
 354
 355 static struct tok rsvp_obj_error_code_values[] = {
 356     { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
 357     { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY,  "Notify Error" },
 358     { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
 359     { 0, NULL}
 360 };
 361
 362 static struct tok rsvp_obj_error_code_routing_values[] = {
 363     { 1,                      "Bad EXPLICIT_ROUTE object" },
 364     { 2,                      "Bad strict node" },
 365     { 3,                      "Bad loose node" },
 366     { 4,                      "Bad initial subobject" },
 367     { 5,                      "No route available toward destination" },
 368     { 6,                      "Unacceptable label value" },
 369     { 7,                      "RRO indicated routing loops" },
 370     { 8,                      "non-RSVP-capable router in the path" },
 371     { 9,                      "MPLS label allocation failure" },
 372     { 10,                     "Unsupported L3PID" },
 373     { 0, NULL}
 374 };
 375
 376 static struct tok rsvp_obj_error_code_diffserv_te_values[] = {
 377     { 1,                      "Unexpected CLASSTYPE object" },
 378     { 2,                      "Unsupported Class-Type" },
 379     { 3,                      "Invalid Class-Type value" },
 380     { 4,                      "Class-Type and setup priority do not form a configured TE-Class" },
 381     { 5,                      "Class-Type and holding priority do not form a configured TE-Class" },
 382     { 6,                      "Inconsistency between signaled PSC and signaled Class-Type" },
 383     { 7,                      "Inconsistency between signaled PHBs and signaled Class-Type" },
 384     { 0, NULL}
 385 };
 386
 387 #define FALSE 0
 388 #define TRUE  1
 389
 390
 391 static int rsvp_intserv_print(const u_char *, u_short);
 392
 393 /*
 394  * this is a dissector for all the intserv defined
 395  * specs as defined per rfc2215
 396  * it is called from various rsvp objects;
 397  * returns the amount of bytes being processed
 398  */
 399 static int
 400 rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) {
 401
 402     int parameter_id,parameter_length;
 403     union {
 404         float f;
 405         u_int32_t i;
 406     } bw;
 407
 408     if (obj_tlen < 4)
 409         return 0;
 410     parameter_id = *(tptr);
 411     parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
 412
 413     printf("\n\t      Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
 414            tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
 415            parameter_id,
 416            parameter_length,
 417            *(tptr+1));
 418
 419     if (obj_tlen < parameter_length+4)
 420         return 0;
 421     switch(parameter_id) { /* parameter_id */
 422
 423     case 4:
 424        /*
 425         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 426         * |    4 (e)      |    (f)        |           1 (g)               |
 427         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 428         * |        IS hop cnt (32-bit unsigned integer)                   |
 429         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 430         */
 431         if (parameter_length == 4)
 432             printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
 433         break;
 434
 435     case 6:
 436        /*
 437         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 438         * |    6 (h)      |    (i)        |           1 (j)               |
 439         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 440         * |  Path b/w estimate  (32-bit IEEE floating point number)       |
 441         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 442         */
 443         if (parameter_length == 4) {
 444             bw.i = EXTRACT_32BITS(tptr+4);
 445             printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
 446         }
 447         break;
 448
 449     case 8:
 450        /*
 451         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 452         * |     8 (k)     |    (l)        |           1 (m)               |
 453         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 454         * |        Minimum path latency (32-bit integer)                  |
 455         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 456         */
 457         if (parameter_length == 4) {
 458             printf("\n\t\tMinimum path latency: ");
 459             if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
 460                 printf("don't care");
 461             else
 462                 printf("%u", EXTRACT_32BITS(tptr+4));
 463         }
 464         break;
 465
 466     case 10:
 467
 468        /*
 469         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 470         * |     10 (n)    |      (o)      |           1 (p)               |
 471         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 472         * |      Composed MTU (32-bit unsigned integer)                   |
 473         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 474         */
 475         if (parameter_length == 4)
 476             printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
 477         break;
 478     case 127:
 479        /*
 480         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 481         * |   127 (e)     |    0 (f)      |             5 (g)             |
 482         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 483         * |  Token Bucket Rate [r] (32-bit IEEE floating point number)    |
 484         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 485         * |  Token Bucket Size [b] (32-bit IEEE floating point number)    |
 486         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 487         * |  Peak Data Rate [p] (32-bit IEEE floating point number)       |
 488         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 489         * |  Minimum Policed Unit [m] (32-bit integer)                    |
 490         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 491         * |  Maximum Packet Size [M]  (32-bit integer)                    |
 492         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 493         */
 494
 495         if (parameter_length == 20) {
 496             bw.i = EXTRACT_32BITS(tptr+4);
 497             printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
 498             bw.i = EXTRACT_32BITS(tptr+8);
 499             printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
 500             bw.i = EXTRACT_32BITS(tptr+12);
 501             printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
 502             printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
 503             printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
 504         }
 505         break;
 506
 507     case 130:
 508        /*
 509         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 510         * |     130 (h)   |    0 (i)      |            2 (j)              |
 511         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 512         * |  Rate [R]  (32-bit IEEE floating point number)                |
 513         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 514         * |  Slack Term [S]  (32-bit integer)                             |
 515         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 516         */
 517
 518         if (parameter_length == 8) {
 519             bw.i = EXTRACT_32BITS(tptr+4);
 520             printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
 521             printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
 522         }
 523         break;
 524
 525     case 133:
 526     case 134:
 527     case 135:
 528     case 136:
 529         if (parameter_length == 4)
 530             printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
 531         break;
 532
 533     default:
 534         if (vflag <= 1)
 535             print_unknown_data(tptr+4,"\n\t\t",parameter_length);
 536     }
 537     return (parameter_length+4); /* header length 4 bytes */
 538 }
 539
 540 static int
 541 rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) {
 542
 543     const struct rsvp_object_header *rsvp_obj_header;
 544     const u_char *obj_tptr;
 545     u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
 546     int hexdump,processed,padbytes,error_code,error_value,i;
 547     union {
 548         float f;
 549         u_int32_t i;
 550     } bw;
 551     u_int8_t namelen;
 552
 553     while(tlen>=sizeof(struct rsvp_object_header)) {
 554         /* did we capture enough for fully decoding the object header ? */
 555         if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
 556             goto trunc;
 557
 558         rsvp_obj_header = (const struct rsvp_object_header *)tptr;
 559         rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
 560         rsvp_obj_ctype=rsvp_obj_header->ctype;
 561
 562         if(rsvp_obj_len % 4) {
 563             printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len);
 564             return -1;
 565         }
 566         if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
 567             printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
 568                    (unsigned long)sizeof(const struct rsvp_object_header));
 569             return -1;
 570         }
 571
 572         printf("%s%s Object (%u) Flags: [%s",
 573                ident,
 574                tok2str(rsvp_obj_values,
 575                        "Unknown",
 576                        rsvp_obj_header->class_num),
 577                rsvp_obj_header->class_num,
 578                ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
 579
 580         if (rsvp_obj_header->class_num > 128)
 581             printf(" %s",
 582                    ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
 583
 584         printf(" if unknown], Class-Type: %s (%u), length: %u",
 585                tok2str(rsvp_ctype_values,
 586                        "Unknown",
 587                        ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
 588                rsvp_obj_ctype,
 589                rsvp_obj_len);
 590
 591         if(tlen < rsvp_obj_len) {
 592             printf("%sERROR: object goes past end of objects TLV", ident);
 593             return -1;
 594         }
 595
 596         obj_tptr=tptr+sizeof(struct rsvp_object_header);
 597         obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
 598
 599         /* did we capture enough for fully decoding the object ? */
 600         if (!TTEST2(*tptr, rsvp_obj_len))
 601             return -1;
 602         hexdump=FALSE;
 603
 604         switch(rsvp_obj_header->class_num) {
 605         case RSVP_OBJ_SESSION:
 606             switch(rsvp_obj_ctype) {
 607             case RSVP_CTYPE_IPV4:
 608                 if (obj_tlen < 8)
 609                     return -1;
 610                 printf("%s  IPv4 DestAddress: %s, Protocol ID: 0x%02x",
 611                        ident,
 612                        ipaddr_string(obj_tptr),
 613                        *(obj_tptr+sizeof(struct in_addr)));
 614                 printf("%s  Flags: [0x%02x], DestPort %u",
 615                        ident,
 616                        *(obj_tptr+5),
 617                        EXTRACT_16BITS(obj_tptr+6));
 618                 obj_tlen-=8;
 619                 obj_tptr+=8;
 620                 break;
 621 #ifdef INET6
 622             case RSVP_CTYPE_IPV6:
 623                 if (obj_tlen < 20)
 624                     return -1;
 625                 printf("%s  IPv6 DestAddress: %s, Protocol ID: 0x%02x",
 626                        ident,
 627                        ip6addr_string(obj_tptr),
 628                        *(obj_tptr+sizeof(struct in6_addr)));
 629                 printf("%s  Flags: [0x%02x], DestPort %u",
 630                        ident,
 631                        *(obj_tptr+sizeof(struct in6_addr)+1),
 632                        EXTRACT_16BITS(obj_tptr+sizeof(struct in6_addr)+2));
 633                 obj_tlen-=20;
 634                 obj_tptr+=20;
 635                 break;
 636
 637             case RSVP_CTYPE_TUNNEL_IPV6:
 638                 if (obj_tlen < 36)
 639                     return -1;
 640                 printf("%s  IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 641                        ident,
 642                        ip6addr_string(obj_tptr),
 643                        EXTRACT_16BITS(obj_tptr+18),
 644                        ip6addr_string(obj_tptr+20));
 645                 obj_tlen-=36;
 646                 obj_tptr+=36;
 647                 break;
 648 #endif
 649             case RSVP_CTYPE_TUNNEL_IPV4:
 650                 if (obj_tlen < 12)
 651                     return -1;
 652                 printf("%s  IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 653                        ident,
 654                        ipaddr_string(obj_tptr),
 655                        EXTRACT_16BITS(obj_tptr+6),
 656                        ipaddr_string(obj_tptr+8));
 657                 obj_tlen-=12;
 658                 obj_tptr+=12;
 659                 break;
 660             default:
 661                 hexdump=TRUE;
 662             }
 663             break;
 664
 665         case RSVP_OBJ_CONFIRM:
 666             switch(rsvp_obj_ctype) {
 667             case RSVP_CTYPE_IPV4:
 668                 if (obj_tlen < sizeof(struct in_addr))
 669                     return -1;
 670                 printf("%s  IPv4 Receiver Address: %s",
 671                        ident,
 672                        ipaddr_string(obj_tptr));
 673                 obj_tlen-=sizeof(struct in_addr);
 674                 obj_tptr+=sizeof(struct in_addr);
 675                 break;
 676 #ifdef INET6
 677             case RSVP_CTYPE_IPV6:
 678                 if (obj_tlen < sizeof(struct in6_addr))
 679                     return -1;
 680                 printf("%s  IPv6 Receiver Address: %s",
 681                        ident,
 682                        ip6addr_string(obj_tptr));
 683                 obj_tlen-=sizeof(struct in6_addr);
 684                 obj_tptr+=sizeof(struct in6_addr);
 685                 break;
 686 #endif
 687             default:
 688                 hexdump=TRUE;
 689             }
 690             break;
 691
 692         case RSVP_OBJ_NOTIFY_REQ:
 693             switch(rsvp_obj_ctype) {
 694             case RSVP_CTYPE_IPV4:
 695                 if (obj_tlen < sizeof(struct in_addr))
 696                     return -1;
 697                 printf("%s  IPv4 Notify Node Address: %s",
 698                        ident,
 699                        ipaddr_string(obj_tptr));
 700                 obj_tlen-=sizeof(struct in_addr);
 701                 obj_tptr+=sizeof(struct in_addr);
 702                 break;
 703 #ifdef INET6
 704             case RSVP_CTYPE_IPV6:
 705                 if (obj_tlen < sizeof(struct in6_addr))
 706                     return-1;
 707                 printf("%s  IPv6 Notify Node Address: %s",
 708                        ident,
 709                        ip6addr_string(obj_tptr));
 710                 obj_tlen-=sizeof(struct in6_addr);
 711                 obj_tptr+=sizeof(struct in6_addr);
 712                 break;
 713 #endif
 714             default:
 715                 hexdump=TRUE;
 716             }
 717             break;
 718
 719         case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
 720         case RSVP_OBJ_UPSTREAM_LABEL:  /* fall through */
 721         case RSVP_OBJ_RECOVERY_LABEL:  /* fall through */
 722         case RSVP_OBJ_LABEL:
 723             switch(rsvp_obj_ctype) {
 724             case RSVP_CTYPE_1:
 725                 while(obj_tlen >= 4 ) {
 726                     printf("%s  Label: %u", ident, EXTRACT_32BITS(obj_tptr));
 727                     obj_tlen-=4;
 728                     obj_tptr+=4;
 729                 }
 730                 break;
 731             case RSVP_CTYPE_2:
 732                 if (obj_tlen < 4)
 733                     return-1;
 734                 printf("%s  Generalized Label: %u",
 735                        ident,
 736                        EXTRACT_32BITS(obj_tptr));
 737                 obj_tlen-=4;
 738                 obj_tptr+=4;
 739                 break;
 740             case RSVP_CTYPE_3:
 741                 if (obj_tlen < 12)
 742                     return-1;
 743                 printf("%s  Waveband ID: %u%s  Start Label: %u, Stop Label: %u",
 744                        ident,
 745                        EXTRACT_32BITS(obj_tptr),
 746                        ident,
 747                        EXTRACT_32BITS(obj_tptr+4),
 748                        EXTRACT_32BITS(obj_tptr+8));
 749                 obj_tlen-=12;
 750                 obj_tptr+=12;
 751                 break;
 752             default:
 753                 hexdump=TRUE;
 754             }
 755             break;
 756
 757         case RSVP_OBJ_STYLE:
 758             switch(rsvp_obj_ctype) {
 759             case RSVP_CTYPE_1:
 760                 if (obj_tlen < 4)
 761                     return-1;
 762                 printf("%s  Reservation Style: %s, Flags: [0x%02x]",
 763                        ident,
 764                        tok2str(rsvp_resstyle_values,
 765                                "Unknown",
 766                                EXTRACT_24BITS(obj_tptr+1)),
 767                        *(obj_tptr));
 768                 obj_tlen-=4;
 769                 obj_tptr+=4;
 770                 break;
 771             default:
 772                 hexdump=TRUE;
 773             }
 774             break;
 775
 776         case RSVP_OBJ_SENDER_TEMPLATE:
 777             switch(rsvp_obj_ctype) {
 778             case RSVP_CTYPE_IPV4:
 779                 if (obj_tlen < 8)
 780                     return-1;
 781                 printf("%s  Source Address: %s, Source Port: %u",
 782                        ident,
 783                        ipaddr_string(obj_tptr),
 784                        EXTRACT_16BITS(obj_tptr+6));
 785                 obj_tlen-=8;
 786                 obj_tptr+=8;
 787                 break;
 788 #ifdef INET6
 789             case RSVP_CTYPE_IPV6:
 790                 if (obj_tlen < 20)
 791                     return-1;
 792                 printf("%s  Source Address: %s, Source Port: %u",
 793                        ident,
 794                        ip6addr_string(obj_tptr),
 795                        EXTRACT_16BITS(obj_tptr+18));
 796                 obj_tlen-=20;
 797                 obj_tptr+=20;
 798                 break;
 799 #endif
 800             case RSVP_CTYPE_TUNNEL_IPV4:
 801                 if (obj_tlen < 8)
 802                     return-1;
 803                 printf("%s  IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
 804                        ident,
 805                        ipaddr_string(obj_tptr),
 806                        EXTRACT_16BITS(obj_tptr+6));
 807                 obj_tlen-=8;
 808                 obj_tptr+=8;
 809                 break;
 810             default:
 811                 hexdump=TRUE;
 812             }
 813             break;
 814
 815         case RSVP_OBJ_LABEL_REQ:
 816             switch(rsvp_obj_ctype) {
 817             case RSVP_CTYPE_1:
 818                 while(obj_tlen >= 4 ) {
 819                     printf("%s  L3 Protocol ID: %s",
 820                            ident,
 821                            tok2str(ethertype_values,
 822                                    "Unknown Protocol (0x%04x)",
 823                                    EXTRACT_16BITS(obj_tptr+2)));
 824                     obj_tlen-=4;
 825                     obj_tptr+=4;
 826                 }
 827                 break;
 828             case RSVP_CTYPE_2:
 829                 if (obj_tlen < 12)
 830                     return-1;
 831                 printf("%s  L3 Protocol ID: %s",
 832                        ident,
 833                        tok2str(ethertype_values,
 834                                "Unknown Protocol (0x%04x)",
 835                                EXTRACT_16BITS(obj_tptr+2)));
 836                 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
 837                 printf("%s  Minimum VPI/VCI: %u/%u",
 838                        ident,
 839                        (EXTRACT_16BITS(obj_tptr+4))&0xfff,
 840                        (EXTRACT_16BITS(obj_tptr+6))&0xfff);
 841                 printf("%s  Maximum VPI/VCI: %u/%u",
 842                        ident,
 843                        (EXTRACT_16BITS(obj_tptr+8))&0xfff,
 844                        (EXTRACT_16BITS(obj_tptr+10))&0xfff);
 845                 obj_tlen-=12;
 846                 obj_tptr+=12;
 847                 break;
 848             case RSVP_CTYPE_3:
 849                 if (obj_tlen < 12)
 850                     return-1;
 851                 printf("%s  L3 Protocol ID: %s",
 852                        ident,
 853                        tok2str(ethertype_values,
 854                                "Unknown Protocol (0x%04x)",
 855                                EXTRACT_16BITS(obj_tptr+2)));
 856                 printf("%s  Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
 857                        ident,
 858                        (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
 859                        (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
 860                        (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
 861                        (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
 862                 obj_tlen-=12;
 863                 obj_tptr+=12;
 864                 break;
 865             case RSVP_CTYPE_4:
 866                 if (obj_tlen < 8)
 867                     return-1;
 868                 printf("%s  LSP Encoding Type: %s (%u)",
 869                        ident,
 870                        tok2str(gmpls_encoding_values,
 871                                "Unknown",
 872                                *obj_tptr),
 873                        *obj_tptr);
 874                 printf("%s  Switching Type: %s (%u), Payload ID: %s (0x%04x)",
 875                        ident,
 876                        tok2str(gmpls_switch_cap_values,
 877                                "Unknown",
 878                                *(obj_tptr+1)),
 879                        *(obj_tptr+1),
 880                        tok2str(gmpls_payload_values,
 881                                "Unknown",
 882                                EXTRACT_16BITS(obj_tptr+2)),
 883                        EXTRACT_16BITS(obj_tptr+2));
 884                 obj_tlen-=8;
 885                 obj_tptr+=8;
 886                 break;
 887             default:
 888                 hexdump=TRUE;
 889             }
 890             break;
 891
 892         case RSVP_OBJ_RRO:
 893         case RSVP_OBJ_ERO:
 894             switch(rsvp_obj_ctype) {
 895             case RSVP_CTYPE_IPV4:
 896                 while(obj_tlen >= 4 ) {
 897                     printf("%s  Subobject Type: %s, length %u",
 898                            ident,
 899                            tok2str(rsvp_obj_xro_values,
 900                                    "Unknown %u",
 901                                    RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
 902                            *(obj_tptr+1));
 903
 904                     if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
 905                         printf("%s  ERROR: zero length ERO subtype",ident);
 906                         break;
 907                     }
 908
 909                     switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
 910                     case RSVP_OBJ_XRO_IPV4:
 911                         printf(", %s, %s/%u, Flags: [%s]",
 912                                RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
 913                                ipaddr_string(obj_tptr+2),
 914                                *(obj_tptr+6),
 915                                bittok2str(rsvp_obj_rro_flag_values,
 916                                    "none",
 917                                    *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
 918                     }
 919                     obj_tlen-=*(obj_tptr+1);
 920                     obj_tptr+=*(obj_tptr+1);
 921                 }
 922                 break;
 923             default:
 924                 hexdump=TRUE;
 925             }
 926             break;
 927
 928         case RSVP_OBJ_HELLO:
 929             switch(rsvp_obj_ctype) {
 930             case RSVP_CTYPE_1:
 931             case RSVP_CTYPE_2:
 932                 if (obj_tlen < 8)
 933                     return-1;
 934                 printf("%s  Source Instance: 0x%08x, Destination Instance: 0x%08x",
 935                        ident,
 936                        EXTRACT_32BITS(obj_tptr),
 937                        EXTRACT_32BITS(obj_tptr+4));
 938                 obj_tlen-=8;
 939                 obj_tptr+=8;
 940                 break;
 941             default:
 942                 hexdump=TRUE;
 943             }
 944             break;
 945
 946         case RSVP_OBJ_RESTART_CAPABILITY:
 947             switch(rsvp_obj_ctype) {
 948             case RSVP_CTYPE_1:
 949                 if (obj_tlen < 8)
 950                     return-1;
 951                 printf("%s  Restart  Time: %ums, Recovery Time: %ums",
 952                        ident,
 953                        EXTRACT_32BITS(obj_tptr),
 954                        EXTRACT_32BITS(obj_tptr+4));
 955                 obj_tlen-=8;
 956                 obj_tptr+=8;
 957                 break;
 958             default:
 959                 hexdump=TRUE;
 960             }
 961             break;
 962
 963         case RSVP_OBJ_SESSION_ATTRIBUTE:
 964             switch(rsvp_obj_ctype) {
 965             case RSVP_CTYPE_TUNNEL_IPV4:
 966                 if (obj_tlen < 4)
 967                     return-1;
 968                 namelen = *(obj_tptr+3);
 969                 if (obj_tlen < 4+namelen)
 970                     return-1;
 971                 printf("%s  Session Name: ", ident);
 972                 for (i = 0; i < namelen; i++)
 973                     safeputchar(*(obj_tptr+4+i));
 974                 printf("%s  Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
 975                        ident,
 976                        (int)*obj_tptr,
 977                        (int)*(obj_tptr+1),
 978                        tok2str(rsvp_session_attribute_flag_values,
 979                                   "none",
 980                                   *(obj_tptr+2)));
 981
 982                 obj_tlen-=4+*(obj_tptr+3);
 983                 obj_tptr+=4+*(obj_tptr+3);
 984                 break;
 985             default:
 986                 hexdump=TRUE;
 987             }
 988             break;
 989
 990         case RSVP_OBJ_RSVP_HOP:
 991             switch(rsvp_obj_ctype) {
 992             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
 993             case RSVP_CTYPE_IPV4:
 994                 if (obj_tlen < 8)
 995                     return-1;
 996                 printf("%s  Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
 997                        ident,
 998                        ipaddr_string(obj_tptr),
 999                        EXTRACT_32BITS(obj_tptr+4));
1000                 obj_tlen-=8;
1001                 obj_tptr+=8;
1002                 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1003                 break;
1004 #ifdef INET6
1005             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1006             case RSVP_CTYPE_IPV6:
1007                 if (obj_tlen < 20)
1008                     return-1;
1009                 printf("%s  Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1010                        ident,
1011                        ip6addr_string(obj_tptr),
1012                        EXTRACT_32BITS(obj_tptr+16));
1013                 obj_tlen-=20;
1014                 obj_tptr+=20;
1015                 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1016                 break;
1017 #endif
1018             default:
1019                 hexdump=TRUE;
1020             }
1021             break;
1022
1023         case RSVP_OBJ_TIME_VALUES:
1024             switch(rsvp_obj_ctype) {
1025             case RSVP_CTYPE_1:
1026                 if (obj_tlen < 4)
1027                     return-1;
1028                 printf("%s  Refresh Period: %ums",
1029                        ident,
1030                        EXTRACT_32BITS(obj_tptr));
1031                 obj_tlen-=4;
1032                 obj_tptr+=4;
1033                 break;
1034             default:
1035                 hexdump=TRUE;
1036             }
1037             break;
1038
1039         /* those three objects do share the same semantics */
1040         case RSVP_OBJ_SENDER_TSPEC:
1041         case RSVP_OBJ_ADSPEC:
1042         case RSVP_OBJ_FLOWSPEC:
1043             switch(rsvp_obj_ctype) {
1044             case RSVP_CTYPE_2:
1045                 if (obj_tlen < 4)
1046                     return-1;
1047                 printf("%s  Msg-Version: %u, length: %u",
1048                        ident,
1049                        (*obj_tptr & 0xf0) >> 4,
1050                        EXTRACT_16BITS(obj_tptr+2)<<2);
1051                 obj_tptr+=4; /* get to the start of the service header */
1052                 obj_tlen-=4;
1053
1054                 while (obj_tlen >= 4) {
1055                     intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1056                     printf("%s  Service Type: %s (%u), break bit %s set, Service length: %u",
1057                            ident,
1058                            tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1059                            *(obj_tptr),
1060                            (*(obj_tptr+1)&0x80) ? "" : "not",
1061                            intserv_serv_tlen);
1062
1063                     obj_tptr+=4; /* get to the start of the parameter list */
1064                     obj_tlen-=4;
1065
1066                     while (intserv_serv_tlen>=4) {
1067                         processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1068                         if (processed == 0)
1069                             break;
1070                         obj_tlen-=processed;
1071                         intserv_serv_tlen-=processed;
1072                         obj_tptr+=processed;
1073                     }
1074                 }
1075                 break;
1076             default:
1077                 hexdump=TRUE;
1078             }
1079             break;
1080
1081         case RSVP_OBJ_FILTERSPEC:
1082             switch(rsvp_obj_ctype) {
1083             case RSVP_CTYPE_IPV4:
1084                 if (obj_tlen < 8)
1085                     return-1;
1086                 printf("%s  Source Address: %s, Source Port: %u",
1087                        ident,
1088                        ipaddr_string(obj_tptr),
1089                        EXTRACT_16BITS(obj_tptr+6));
1090                 obj_tlen-=8;
1091                 obj_tptr+=8;
1092                 break;
1093 #ifdef INET6
1094             case RSVP_CTYPE_IPV6:
1095                 if (obj_tlen < 20)
1096                     return-1;
1097                 printf("%s  Source Address: %s, Source Port: %u",
1098                        ident,
1099                        ip6addr_string(obj_tptr),
1100                        EXTRACT_16BITS(obj_tptr+18));
1101                 obj_tlen-=20;
1102                 obj_tptr+=20;
1103                 break;
1104             case RSVP_CTYPE_3:
1105                 if (obj_tlen < 20)
1106                     return-1;
1107                 printf("%s  Source Address: %s, Flow Label: %u",
1108                        ident,
1109                        ip6addr_string(obj_tptr),
1110                        EXTRACT_24BITS(obj_tptr+17));
1111                 obj_tlen-=20;
1112                 obj_tptr+=20;
1113                 break;
1114             case RSVP_CTYPE_TUNNEL_IPV6:
1115                 if (obj_tlen < 20)
1116                     return-1;
1117                 printf("%s  Source Address: %s, LSP-ID: 0x%04x",
1118                        ident,
1119                        ipaddr_string(obj_tptr),
1120                        EXTRACT_16BITS(obj_tptr+18));
1121                 obj_tlen-=20;
1122                 obj_tptr+=20;
1123                 break;
1124 #endif
1125             case RSVP_CTYPE_TUNNEL_IPV4:
1126                 if (obj_tlen < 8)
1127                     return-1;
1128                 printf("%s  Source Address: %s, LSP-ID: 0x%04x",
1129                        ident,
1130                        ipaddr_string(obj_tptr),
1131                        EXTRACT_16BITS(obj_tptr+6));
1132                 obj_tlen-=8;
1133                 obj_tptr+=8;
1134                 break;
1135             default:
1136                 hexdump=TRUE;
1137             }
1138             break;
1139
1140         case RSVP_OBJ_FASTREROUTE:
1141             switch(rsvp_obj_ctype) {
1142             case RSVP_CTYPE_TUNNEL_IPV4:
1143                 if (obj_tlen < 16)
1144                     return-1;
1145                 bw.i = EXTRACT_32BITS(obj_tptr+4);
1146                 printf("%s  Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1147                        ident,
1148                        (int)*obj_tptr,
1149                        (int)*(obj_tptr+1),
1150                        (int)*(obj_tptr+2),
1151                         bw.f*8/1000000);
1152                 printf("%s  Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1153                        ident,
1154                        EXTRACT_32BITS(obj_tptr+8),
1155                        EXTRACT_32BITS(obj_tptr+12));
1156                 obj_tlen-=16;
1157                 obj_tptr+=16;
1158                 break;
1159             default:
1160                 hexdump=TRUE;
1161             }
1162             break;
1163
1164         case RSVP_OBJ_DETOUR:
1165             switch(rsvp_obj_ctype) {
1166             case RSVP_CTYPE_TUNNEL_IPV4:
1167                 while(obj_tlen >= 8) {
1168                     printf("%s  PLR-ID: %s, Avoid-Node-ID: %s",
1169                            ident,
1170                            ipaddr_string(obj_tptr),
1171                            ipaddr_string(obj_tptr+4));
1172                     obj_tlen-=8;
1173                     obj_tptr+=8;
1174                 }
1175                 break;
1176             default:
1177                 hexdump=TRUE;
1178             }
1179             break;
1180
1181         case RSVP_OBJ_CLASSTYPE:
1182             switch(rsvp_obj_ctype) {
1183             case RSVP_CTYPE_1:
1184                 printf("%s  Class Type: %u",
1185                        ident,
1186                        EXTRACT_32BITS(obj_tptr)&0x7);
1187                 obj_tlen-=4;
1188                 obj_tptr+=4;
1189                 break;
1190             default:
1191                 hexdump=TRUE;
1192             }
1193             break;
1194
1195         case RSVP_OBJ_ERROR_SPEC:
1196             switch(rsvp_obj_ctype) {
1197             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1198             case RSVP_CTYPE_IPV4:
1199                 if (obj_tlen < 8)
1200                     return-1;
1201                 error_code=*(obj_tptr+5);
1202                 error_value=EXTRACT_16BITS(obj_tptr+6);
1203                 printf("%s  Error Node Address: %s, Flags: [0x%02x]%s  Error Code: %s (%u)",
1204                        ident,
1205                        ipaddr_string(obj_tptr),
1206                        *(obj_tptr+4),
1207                        ident,
1208                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1209                        error_code);
1210                 switch (error_code) {
1211                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1212                     printf(", Error Value: %s (%u)",
1213                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1214                            error_value);
1215                     break;
1216                 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE:
1217                     printf(", Error Value: %s (%u)",
1218                            tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1219                            error_value);
1220                     break;
1221                 default:
1222                     printf(", Unknown Error Value (%u)", error_value);
1223                     break;
1224                 }
1225                 obj_tlen-=8;
1226                 obj_tptr+=8;
1227                 break;
1228 #ifdef INET6
1229             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1230             case RSVP_CTYPE_IPV6:
1231                 if (obj_tlen < 20)
1232                     return-1;
1233                 error_code=*(obj_tptr+17);
1234                 error_value=EXTRACT_16BITS(obj_tptr+18);
1235                 printf("%s  Error Node Address: %s, Flags: [0x%02x]%s  Error Code: %s (%u)",
1236                        ident,
1237                        ip6addr_string(obj_tptr),
1238                        *(obj_tptr+16),
1239                        ident,
1240                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1241                        error_code);
1242
1243                 switch (error_code) {
1244                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1245                     printf(", Error Value: %s (%u)",
1246                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1247                            error_value);
1248                     break;
1249                 default:
1250                     break;
1251                 }
1252                 obj_tlen-=20;
1253                 obj_tptr+=20;
1254                 break;
1255 #endif
1256             default:
1257                 hexdump=TRUE;
1258             }
1259             break;
1260
1261         case RSVP_OBJ_PROPERTIES:
1262             switch(rsvp_obj_ctype) {
1263             case RSVP_CTYPE_1:
1264                 if (obj_tlen < 4)
1265                     return-1;
1266                 padbytes = EXTRACT_16BITS(obj_tptr+2);
1267                 printf("%s  TLV count: %u, padding bytes: %u",
1268                        ident,
1269                        EXTRACT_16BITS(obj_tptr),
1270                        padbytes);
1271                 obj_tlen-=4;
1272                 obj_tptr+=4;
1273                 /* loop through as long there is anything longer than the TLV header (2) */
1274                 while(obj_tlen >= 2 + padbytes) {
1275                     printf("%s    %s TLV (0x%02x), length: %u", /* length includes header */
1276                            ident,
1277                            tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1278                            *obj_tptr,
1279                            *(obj_tptr+1));
1280                     if (obj_tlen < *(obj_tptr+1))
1281                         return-1;
1282                     if (*(obj_tptr+1) < 2)
1283                         return -1;
1284                     print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1285                     obj_tlen-=*(obj_tptr+1);
1286                     obj_tptr+=*(obj_tptr+1);
1287                 }
1288                 break;
1289             default:
1290                 hexdump=TRUE;
1291             }
1292             break;
1293
1294         case RSVP_OBJ_MESSAGE_ID:     /* fall through */
1295         case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1296         case RSVP_OBJ_MESSAGE_ID_LIST:
1297             switch(rsvp_obj_ctype) {
1298             case RSVP_CTYPE_1:
1299                 if (obj_tlen < 8)
1300                     return-1;
1301                 printf("%s  Flags [0x%02x], epoch: %u",
1302                        ident,
1303                        *obj_tptr,
1304                        EXTRACT_24BITS(obj_tptr+1));
1305                 obj_tlen-=4;
1306                 obj_tptr+=4;
1307                 /* loop through as long there are no messages left */
1308                 while(obj_tlen >= 4) {
1309                     printf("%s    Message-ID 0x%08x (%u)",
1310                            ident,
1311                            EXTRACT_32BITS(obj_tptr),
1312                            EXTRACT_32BITS(obj_tptr));
1313                     obj_tlen-=4;
1314                     obj_tptr+=4;
1315                 }
1316                 break;
1317             default:
1318                 hexdump=TRUE;
1319             }
1320             break;
1321
1322         /*
1323          *  FIXME those are the defined objects that lack a decoder
1324          *  you are welcome to contribute code ;-)
1325          */
1326
1327         case RSVP_OBJ_INTEGRITY:
1328         case RSVP_OBJ_SCOPE:
1329         case RSVP_OBJ_POLICY_DATA:
1330         case RSVP_OBJ_LABEL_SET:
1331         case RSVP_OBJ_ACCEPT_LABEL_SET:
1332         case RSVP_OBJ_PROTECTION:
1333         default:
1334             if (vflag <= 1)
1335                 print_unknown_data(obj_tptr,"\n\t    ",obj_tlen); /* FIXME indentation */
1336             break;
1337         }
1338         /* do we also want to see a hex dump ? */
1339         if (vflag > 1 || hexdump==TRUE)
1340             print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t    ", /* FIXME indentation */
1341                                rsvp_obj_len-sizeof(struct rsvp_object_header));
1342
1343         tptr+=rsvp_obj_len;
1344         tlen-=rsvp_obj_len;
1345     }
1346     return 0;
1347 trunc:
1348     printf("\n\t\t packet exceeded snapshot");
1349     return -1;
1350 }
1351
1352
1353 void
1354 rsvp_print(register const u_char *pptr, register u_int len) {
1355
1356     const struct rsvp_common_header *rsvp_com_header;
1357     const u_char *tptr,*subtptr;
1358     u_short tlen,subtlen;
1359
1360     tptr=pptr;
1361
1362     rsvp_com_header = (const struct rsvp_common_header *)pptr;
1363     TCHECK(*rsvp_com_header);
1364
1365     /*
1366      * Sanity checking of the header.
1367      */
1368     if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1369         printf("ERROR: RSVP version %u packet not supported",
1370                RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1371         return;
1372     }
1373
1374     /* in non-verbose mode just lets print the basic Message Type*/
1375     if (vflag < 1) {
1376         printf("RSVPv%u %s Message, length: %u",
1377                RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1378                tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1379                len);
1380         return;
1381     }
1382
1383     /* ok they seem to want to know everything - lets fully decode it */
1384
1385     tlen=EXTRACT_16BITS(rsvp_com_header->length);
1386
1387     printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1388            RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1389            tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1390            rsvp_com_header->msg_type,
1391            bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1392            tlen,
1393            rsvp_com_header->ttl,
1394            EXTRACT_16BITS(rsvp_com_header->checksum));
1395
1396     if (tlen < sizeof(const struct rsvp_common_header)) {
1397         printf("ERROR: common header too short %u < %lu", tlen,
1398                (unsigned long)sizeof(const struct rsvp_common_header));
1399         return;
1400     }
1401
1402     tptr+=sizeof(const struct rsvp_common_header);
1403     tlen-=sizeof(const struct rsvp_common_header);
1404
1405     switch(rsvp_com_header->msg_type) {
1406
1407     case RSVP_MSGTYPE_AGGREGATE:
1408         while(tlen > 0) {
1409             subtptr=tptr;
1410             rsvp_com_header = (const struct rsvp_common_header *)subtptr;
1411             TCHECK(*rsvp_com_header);
1412
1413             /*
1414              * Sanity checking of the header.
1415              */
1416             if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1417                 printf("ERROR: RSVP version %u packet not supported",
1418                        RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1419                 return;
1420             }
1421             subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1422
1423             printf("\n\t  RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1424                    RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1425                    tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1426                    rsvp_com_header->msg_type,
1427                    bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1428                    subtlen,
1429                    rsvp_com_header->ttl,
1430                    EXTRACT_16BITS(rsvp_com_header->checksum));
1431
1432             if (subtlen < sizeof(const struct rsvp_common_header)) {
1433                 printf("ERROR: common header too short %u < %lu", subtlen,
1434                        (unsigned long)sizeof(const struct rsvp_common_header));
1435                 return;
1436             }
1437
1438             if (tlen < subtlen) {
1439                 printf("ERROR: common header too large %u > %u", subtlen,
1440                        tlen);
1441                 return;
1442             }
1443
1444             subtptr+=sizeof(const struct rsvp_common_header);
1445             subtlen-=sizeof(const struct rsvp_common_header);
1446
1447             if (rsvp_obj_print(subtptr,"\n\t    ", subtlen) == -1)
1448                 return;
1449
1450             tptr+=subtlen+sizeof(const struct rsvp_common_header);
1451             tlen-=subtlen+sizeof(const struct rsvp_common_header);
1452         }
1453
1454         break;
1455
1456     case RSVP_MSGTYPE_PATH:
1457     case RSVP_MSGTYPE_RESV:
1458     case RSVP_MSGTYPE_PATHERR:
1459     case RSVP_MSGTYPE_RESVERR:
1460     case RSVP_MSGTYPE_PATHTEAR:
1461     case RSVP_MSGTYPE_RESVTEAR:
1462     case RSVP_MSGTYPE_RESVCONF:
1463     case RSVP_MSGTYPE_HELLO_OLD:
1464     case RSVP_MSGTYPE_HELLO:
1465     case RSVP_MSGTYPE_ACK:
1466     case RSVP_MSGTYPE_SREFRESH:
1467         if (rsvp_obj_print(tptr,"\n\t  ", tlen) == -1)
1468             return;
1469         break;
1470
1471     default:
1472         print_unknown_data(tptr,"\n\t    ",tlen);
1473         break;
1474     }
1475
1476     return;
1477 trunc:
1478     printf("\n\t\t packet exceeded snapshot");
1479 }
1480 #endif