contrib/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 1.33.2.3 2005/06/16 00:50:12 guy Exp $";
  19 #endif
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #endif
  24
  25 #include <tcpdump-stdinc.h>
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 #include "interface.h"
  32 #include "extract.h"
  33 #include "addrtoname.h"
  34 #include "ethertype.h"
  35 #include "gmpls.h"
  36
  37 /*
  38  * RFC 2205 common header
  39  *
  40  *               0             1              2             3
  41  *        +-------------+-------------+-------------+-------------+
  42  *        | Vers | Flags|  Msg Type   |       RSVP Checksum       |
  43  *        +-------------+-------------+-------------+-------------+
  44  *        |  Send_TTL   | (Reserved)  |        RSVP Length        |
  45  *        +-------------+-------------+-------------+-------------+
  46  *
  47  */
  48
  49 struct rsvp_common_header {
  50     u_int8_t version_flags;
  51     u_int8_t msg_type;
  52     u_int8_t checksum[2];
  53     u_int8_t ttl;
  54     u_int8_t reserved;
  55     u_int8_t length[2];
  56 };
  57
  58 /*
  59  * RFC2205 object header
  60  *
  61  *
  62  *               0             1              2             3
  63  *        +-------------+-------------+-------------+-------------+
  64  *        |       Length (bytes)      |  Class-Num  |   C-Type    |
  65  *        +-------------+-------------+-------------+-------------+
  66  *        |                                                       |
  67  *        //                  (Object contents)                   //
  68  *        |                                                       |
  69  *        +-------------+-------------+-------------+-------------+
  70  */
  71
  72 struct rsvp_object_header {
  73     u_int8_t length[2];
  74     u_int8_t class_num;
  75     u_int8_t ctype;
  76 };
  77
  78 #define RSVP_VERSION            1
  79 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
  80 #define RSVP_EXTRACT_FLAGS(x)   ((x)&0x0f)
  81
  82 #define RSVP_MSGTYPE_PATH       1
  83 #define RSVP_MSGTYPE_RESV       2
  84 #define RSVP_MSGTYPE_PATHERR    3
  85 #define RSVP_MSGTYPE_RESVERR    4
  86 #define RSVP_MSGTYPE_PATHTEAR   5
  87 #define RSVP_MSGTYPE_RESVTEAR   6
  88 #define RSVP_MSGTYPE_RESVCONF   7
  89 #define RSVP_MSGTYPE_AGGREGATE  12
  90 #define RSVP_MSGTYPE_ACK        13
  91 #define RSVP_MSGTYPE_HELLO_OLD  14      /* ancient Hellos */
  92 #define RSVP_MSGTYPE_SREFRESH   15
  93 #define RSVP_MSGTYPE_HELLO      20
  94
  95 static const struct tok rsvp_msg_type_values[] = {
  96     { RSVP_MSGTYPE_PATH,        "Path" },
  97     { RSVP_MSGTYPE_RESV,        "Resv" },
  98     { RSVP_MSGTYPE_PATHERR,     "PathErr" },
  99     { RSVP_MSGTYPE_RESVERR,     "ResvErr" },
 100     { RSVP_MSGTYPE_PATHTEAR,    "PathTear" },
 101     { RSVP_MSGTYPE_RESVTEAR,    "ResvTear" },
 102     { RSVP_MSGTYPE_RESVCONF,    "ResvConf" },
 103     { RSVP_MSGTYPE_AGGREGATE,   "Aggregate" },
 104     { RSVP_MSGTYPE_ACK,         "Acknowledgement" },
 105     { RSVP_MSGTYPE_HELLO_OLD,   "Hello (Old)" },
 106     { RSVP_MSGTYPE_SREFRESH,    "Refresh" },
 107     { RSVP_MSGTYPE_HELLO,       "Hello" },
 108     { 0, NULL}
 109 };
 110
 111 static const struct tok rsvp_header_flag_values[] = {
 112     { 0x01,                   "Refresh reduction capable" }, /* rfc2961 */
 113     { 0, NULL}
 114 };
 115
 116 #define RSVP_OBJ_SESSION            1   /* rfc2205 */
 117 #define RSVP_OBJ_RSVP_HOP           3   /* rfc2205, rfc3473 */
 118 #define RSVP_OBJ_INTEGRITY          4
 119 #define RSVP_OBJ_TIME_VALUES        5   /* rfc2205 */
 120 #define RSVP_OBJ_ERROR_SPEC         6
 121 #define RSVP_OBJ_SCOPE              7
 122 #define RSVP_OBJ_STYLE              8   /* rfc2205 */
 123 #define RSVP_OBJ_FLOWSPEC           9   /* rfc2215 */
 124 #define RSVP_OBJ_FILTERSPEC         10  /* rfc2215 */
 125 #define RSVP_OBJ_SENDER_TEMPLATE    11
 126 #define RSVP_OBJ_SENDER_TSPEC       12  /* rfc2215 */
 127 #define RSVP_OBJ_ADSPEC             13  /* rfc2215 */
 128 #define RSVP_OBJ_POLICY_DATA        14
 129 #define RSVP_OBJ_CONFIRM            15  /* rfc2205 */
 130 #define RSVP_OBJ_LABEL              16  /* rfc3209 */
 131 #define RSVP_OBJ_LABEL_REQ          19  /* rfc3209 */
 132 #define RSVP_OBJ_ERO                20  /* rfc3209 */
 133 #define RSVP_OBJ_RRO                21  /* rfc3209 */
 134 #define RSVP_OBJ_HELLO              22  /* rfc3209 */
 135 #define RSVP_OBJ_MESSAGE_ID         23
 136 #define RSVP_OBJ_MESSAGE_ID_ACK     24
 137 #define RSVP_OBJ_MESSAGE_ID_LIST    25
 138 #define RSVP_OBJ_RECOVERY_LABEL     34  /* rfc3473 */
 139 #define RSVP_OBJ_UPSTREAM_LABEL     35  /* rfc3473 */
 140 #define RSVP_OBJ_LABEL_SET          36  /* rfc3473 */
 141 #define RSVP_OBJ_PROTECTION         37  /* rfc3473 */
 142 #define RSVP_OBJ_DETOUR             63  /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
 143 #define RSVP_OBJ_CLASSTYPE          125 /* draft-ietf-tewg-diff-te-proto-07 */
 144 #define RSVP_OBJ_SUGGESTED_LABEL    129 /* rfc3473 */
 145 #define RSVP_OBJ_ACCEPT_LABEL_SET   130 /* rfc3473 */
 146 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
 147 #define RSVP_OBJ_NOTIFY_REQ         195 /* rfc3473 */
 148 #define RSVP_OBJ_ADMIN_STATUS       196 /* rfc3473 */
 149 #define RSVP_OBJ_PROPERTIES         204 /* juniper proprietary */
 150 #define RSVP_OBJ_FASTREROUTE        205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
 151 #define RSVP_OBJ_SESSION_ATTRIBUTE  207 /* rfc3209 */
 152 #define RSVP_OBJ_CALL_ID            230 /* rfc3474 */
 153 #define RSVP_OBJ_CALL_OPS           236 /* rfc3474 */
 154
 155 static const struct tok rsvp_obj_values[] = {
 156     { RSVP_OBJ_SESSION,            "Session" },
 157     { RSVP_OBJ_RSVP_HOP,           "RSVP Hop" },
 158     { RSVP_OBJ_INTEGRITY,          "Integrity" },
 159     { RSVP_OBJ_TIME_VALUES,        "Time Values" },
 160     { RSVP_OBJ_ERROR_SPEC,         "Error Spec" },
 161     { RSVP_OBJ_SCOPE,              "Scope" },
 162     { RSVP_OBJ_STYLE,              "Style" },
 163     { RSVP_OBJ_FLOWSPEC,           "Flowspec" },
 164     { RSVP_OBJ_FILTERSPEC,         "FilterSpec" },
 165     { RSVP_OBJ_SENDER_TEMPLATE,    "Sender Template" },
 166     { RSVP_OBJ_SENDER_TSPEC,       "Sender TSpec" },
 167     { RSVP_OBJ_ADSPEC,             "Adspec" },
 168     { RSVP_OBJ_POLICY_DATA,        "Policy Data" },
 169     { RSVP_OBJ_CONFIRM,            "Confirm" },
 170     { RSVP_OBJ_LABEL,              "Label" },
 171     { RSVP_OBJ_LABEL_REQ,          "Label Request" },
 172     { RSVP_OBJ_ERO,                "ERO" },
 173     { RSVP_OBJ_RRO,                "RRO" },
 174     { RSVP_OBJ_HELLO,              "Hello" },
 175     { RSVP_OBJ_MESSAGE_ID,         "Message ID" },
 176     { RSVP_OBJ_MESSAGE_ID_ACK,     "Message ID Ack" },
 177     { RSVP_OBJ_MESSAGE_ID_LIST,    "Message ID List" },
 178     { RSVP_OBJ_RECOVERY_LABEL,     "Recovery Label" },
 179     { RSVP_OBJ_UPSTREAM_LABEL,     "Upstream Label" },
 180     { RSVP_OBJ_LABEL_SET,          "Label Set" },
 181     { RSVP_OBJ_ACCEPT_LABEL_SET,   "Acceptable Label Set" },
 182     { RSVP_OBJ_DETOUR,             "Detour" },
 183     { RSVP_OBJ_CLASSTYPE,          "Class Type" },
 184     { RSVP_OBJ_SUGGESTED_LABEL,    "Suggested Label" },
 185     { RSVP_OBJ_PROPERTIES,         "Properties" },
 186     { RSVP_OBJ_FASTREROUTE,        "Fast Re-Route" },
 187     { RSVP_OBJ_SESSION_ATTRIBUTE,  "Session Attribute" },
 188     { RSVP_OBJ_CALL_ID,            "Call-ID" },
 189     { RSVP_OBJ_CALL_OPS,           "Call Capability" },
 190     { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
 191     { RSVP_OBJ_NOTIFY_REQ,         "Notify Request" },
 192     { RSVP_OBJ_PROTECTION,         "Protection" },
 193     { RSVP_OBJ_ADMIN_STATUS,       "Administrative Status" },
 194     { 0, NULL}
 195 };
 196
 197 #define RSVP_CTYPE_IPV4        1
 198 #define RSVP_CTYPE_IPV6        2
 199 #define RSVP_CTYPE_TUNNEL_IPV4 7
 200 #define RSVP_CTYPE_TUNNEL_IPV6 8
 201 #define RSVP_CTYPE_1           1
 202 #define RSVP_CTYPE_2           2
 203 #define RSVP_CTYPE_3           3
 204 #define RSVP_CTYPE_4           4
 205
 206 /*
 207  * the ctypes are not globally unique so for
 208  * translating it to strings we build a table based
 209  * on objects offsetted by the ctype
 210  */
 211
 212 static const struct tok rsvp_ctype_values[] = {
 213     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4,                 "IPv4" },
 214     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6,                 "IPv6" },
 215     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3,                    "IPv4 plus opt. TLVs" },
 216     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4,                    "IPv6 plus opt. TLVs" },
 217     { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4,               "IPv4" },
 218     { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6,               "IPv6" },
 219     { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4,                  "IPv4" },
 220     { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6,                  "IPv6" },
 221     { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1,                 "1" },
 222     { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1,                    "obsolete" },
 223     { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2,                    "IntServ" },
 224     { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2,                "IntServ" },
 225     { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2,                      "IntServ" },
 226     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4,               "IPv4" },
 227     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6,               "IPv6" },
 228     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3,                  "IPv6 Flow-label" },
 229     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4,        "Tunnel IPv4" },
 230     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4,                  "IPv4" },
 231     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6,                  "IPv6" },
 232     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4,           "Tunnel IPv4" },
 233     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4,          "IPv4" },
 234     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6,          "IPv6" },
 235     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4,   "Tunnel IPv4" },
 236     { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1,                  "1" },
 237     { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1,              "1" },
 238     { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1,             "1" },
 239     { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1,                       "1" },
 240     { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1,                       "Hello Request" },
 241     { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2,                       "Hello Ack" },
 242     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1,                   "without label range" },
 243     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2,                   "with ATM label range" },
 244     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3,                   "with FR label range" },
 245     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4,                   "Generalized Label" },
 246     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1,                       "Label" },
 247     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2,                       "Generalized Label" },
 248     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3,                       "Waveband Switching" },
 249     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1,             "Label" },
 250     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2,             "Generalized Label" },
 251     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3,             "Waveband Switching" },
 252     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1,              "Label" },
 253     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2,              "Generalized Label" },
 254     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3,              "Waveband Switching" },
 255     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1,              "Label" },
 256     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2,              "Generalized Label" },
 257     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3,              "Waveband Switching" },
 258     { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4,                      "IPv4" },
 259     { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4,                      "IPv4" },
 260     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4,               "IPv4" },
 261     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6,               "IPv6" },
 262     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3,                  "IPv4 plus opt. TLVs" },
 263     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4,                  "IPv6 plus opt. TLVs" },
 264     { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1,          "IPv4" },
 265     { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
 266     { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4,       "Tunnel IPv4" },
 267     { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4,            "Tunnel IPv4" },
 268     { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1,                  "1" },
 269     { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1,                   "1" },
 270     { 0, NULL}
 271 };
 272
 273 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x)   ((x)&0x7f)
 274 #define RSVP_OBJ_XRO_MASK_LOOSE(x)    ((x)&0x80)
 275
 276 #define RSVP_OBJ_XRO_RES       0
 277 #define RSVP_OBJ_XRO_IPV4      1
 278 #define RSVP_OBJ_XRO_IPV6      2
 279 #define RSVP_OBJ_XRO_ASN       32
 280 #define RSVP_OBJ_XRO_MPLS      64
 281
 282 static const struct tok rsvp_obj_xro_values[] = {
 283     { RSVP_OBJ_XRO_RES,       "Reserved" },
 284     { RSVP_OBJ_XRO_IPV4,      "IPv4 prefix" },
 285     { RSVP_OBJ_XRO_IPV6,      "IPv6 prefix" },
 286     { RSVP_OBJ_XRO_ASN,       "Autonomous system number" },
 287     { RSVP_OBJ_XRO_MPLS,      "MPLS label switched path termination" },
 288     { 0, NULL}
 289 };
 290
 291 /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
 292 static const struct tok rsvp_obj_rro_flag_values[] = {
 293     { 0x01,                   "Local protection available" },
 294     { 0x02,                   "Local protection in use" },
 295     { 0x04,                   "Bandwidth protection" },
 296     { 0x08,                   "Node protection" },
 297     { 0, NULL}
 298 };
 299
 300 static const struct tok rsvp_resstyle_values[] = {
 301     { 17,                     "Wildcard Filter" },
 302     { 10,                     "Fixed Filter" },
 303     { 18,                     "Shared Explicit" },
 304     { 0, NULL}
 305 };
 306
 307 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
 308 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
 309
 310 static const struct tok rsvp_intserv_service_type_values[] = {
 311     { 1,                                "Default/Global Information" },
 312     { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
 313     { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
 314     { 0, NULL}
 315 };
 316
 317 static const struct tok rsvp_intserv_parameter_id_values[] = {
 318     { 4,                     "IS hop cnt" },
 319     { 6,                     "Path b/w estimate" },
 320     { 8,                     "Minimum path latency" },
 321     { 10,                    "Composed MTU" },
 322     { 127,                   "Token Bucket TSpec" },
 323     { 130,                   "Guaranteed Service RSpec" },
 324     { 133,                   "End-to-end composed value for C" },
 325     { 134,                   "End-to-end composed value for D" },
 326     { 135,                   "Since-last-reshaping point composed C" },
 327     { 136,                   "Since-last-reshaping point composed D" },
 328     { 0, NULL}
 329 };
 330
 331 static struct tok rsvp_session_attribute_flag_values[] = {
 332     { 0x01,                   "Local Protection desired" },
 333     { 0x02,                   "Label Recording desired" },
 334     { 0x04,                   "SE Style desired" },
 335     { 0x08,                   "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
 336     { 0x10,                   "Node protection desired" },      /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
 337     { 0, NULL}
 338 };
 339
 340 static struct tok rsvp_obj_prop_tlv_values[] = {
 341     { 0x01,                   "Cos" },
 342     { 0x02,                   "Metric 1" },
 343     { 0x04,                   "Metric 2" },
 344     { 0x08,                   "CCC Status" },
 345     { 0x10,                   "Path Type" },
 346     { 0, NULL}
 347 };
 348
 349 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
 350 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY  25
 351 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 125
 352
 353 static struct tok rsvp_obj_error_code_values[] = {
 354     { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
 355     { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY,  "Notify Error" },
 356     { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
 357     { 0, NULL}
 358 };
 359
 360 static struct tok rsvp_obj_error_code_routing_values[] = {
 361     { 1,                      "Bad EXPLICIT_ROUTE object" },
 362     { 2,                      "Bad strict node" },
 363     { 3,                      "Bad loose node" },
 364     { 4,                      "Bad initial subobject" },
 365     { 5,                      "No route available toward destination" },
 366     { 6,                      "Unacceptable label value" },
 367     { 7,                      "RRO indicated routing loops" },
 368     { 8,                      "non-RSVP-capable router in the path" },
 369     { 9,                      "MPLS label allocation failure" },
 370     { 10,                     "Unsupported L3PID" },
 371     { 0, NULL}
 372 };
 373
 374 static struct tok rsvp_obj_error_code_diffserv_te_values[] = {
 375     { 1,                      "Unexpected CLASSTYPE object" },
 376     { 2,                      "Unsupported Class-Type" },
 377     { 3,                      "Invalid Class-Type value" },
 378     { 4,                      "Class-Type and setup priority do not form a configured TE-Class" },
 379     { 5,                      "Class-Type and holding priority do not form a configured TE-Class" },
 380     { 6,                      "Inconsistency between signaled PSC and signaled Class-Type" },
 381     { 7,                      "Inconsistency between signaled PHBs and signaled Class-Type" },
 382     { 0, NULL}
 383 };
 384
 385 #define FALSE 0
 386 #define TRUE  1
 387
 388
 389 static int rsvp_intserv_print(const u_char *, u_short);
 390
 391 /*
 392  * this is a dissector for all the intserv defined
 393  * specs as defined per rfc2215
 394  * it is called from various rsvp objects;
 395  * returns the amount of bytes being processed
 396  */
 397 static int
 398 rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) {
 399
 400     int parameter_id,parameter_length;
 401     union {
 402         float f;
 403         u_int32_t i;
 404     } bw;
 405
 406     if (obj_tlen < 4)
 407         return 0;
 408     parameter_id = *(tptr);
 409     parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
 410
 411     printf("\n\t      Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
 412            tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
 413            parameter_id,
 414            parameter_length,
 415            *(tptr+1));
 416
 417     if (obj_tlen < parameter_length+4)
 418         return 0;
 419     switch(parameter_id) { /* parameter_id */
 420
 421     case 4:
 422        /*
 423         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 424         * |    4 (e)      |    (f)        |           1 (g)               |
 425         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 426         * |        IS hop cnt (32-bit unsigned integer)                   |
 427         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 428         */
 429         if (parameter_length == 4)
 430             printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
 431         break;
 432
 433     case 6:
 434        /*
 435         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 436         * |    6 (h)      |    (i)        |           1 (j)               |
 437         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 438         * |  Path b/w estimate  (32-bit IEEE floating point number)       |
 439         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 440         */
 441         if (parameter_length == 4) {
 442             bw.i = EXTRACT_32BITS(tptr+4);
 443             printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
 444         }
 445         break;
 446
 447     case 8:
 448        /*
 449         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 450         * |     8 (k)     |    (l)        |           1 (m)               |
 451         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 452         * |        Minimum path latency (32-bit integer)                  |
 453         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 454         */
 455         if (parameter_length == 4) {
 456             printf("\n\t\tMinimum path latency: ");
 457             if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
 458                 printf("don't care");
 459             else
 460                 printf("%u", EXTRACT_32BITS(tptr+4));
 461         }
 462         break;
 463
 464     case 10:
 465
 466        /*
 467         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 468         * |     10 (n)    |      (o)      |           1 (p)               |
 469         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 470         * |      Composed MTU (32-bit unsigned integer)                   |
 471         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 472         */
 473         if (parameter_length == 4)
 474             printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
 475         break;
 476     case 127:
 477        /*
 478         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 479         * |   127 (e)     |    0 (f)      |             5 (g)             |
 480         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 481         * |  Token Bucket Rate [r] (32-bit IEEE floating point number)    |
 482         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 483         * |  Token Bucket Size [b] (32-bit IEEE floating point number)    |
 484         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 485         * |  Peak Data Rate [p] (32-bit IEEE floating point number)       |
 486         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 487         * |  Minimum Policed Unit [m] (32-bit integer)                    |
 488         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 489         * |  Maximum Packet Size [M]  (32-bit integer)                    |
 490         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 491         */
 492
 493         if (parameter_length == 20) {
 494             bw.i = EXTRACT_32BITS(tptr+4);
 495             printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
 496             bw.i = EXTRACT_32BITS(tptr+8);
 497             printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
 498             bw.i = EXTRACT_32BITS(tptr+12);
 499             printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
 500             printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
 501             printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
 502         }
 503         break;
 504
 505     case 130:
 506        /*
 507         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 508         * |     130 (h)   |    0 (i)      |            2 (j)              |
 509         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 510         * |  Rate [R]  (32-bit IEEE floating point number)                |
 511         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 512         * |  Slack Term [S]  (32-bit integer)                             |
 513         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 514         */
 515
 516         if (parameter_length == 8) {
 517             bw.i = EXTRACT_32BITS(tptr+4);
 518             printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
 519             printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
 520         }
 521         break;
 522
 523     case 133:
 524     case 134:
 525     case 135:
 526     case 136:
 527         if (parameter_length == 4)
 528             printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
 529         break;
 530
 531     default:
 532         if (vflag <= 1)
 533             print_unknown_data(tptr+4,"\n\t\t",parameter_length);
 534     }
 535     return (parameter_length+4); /* header length 4 bytes */
 536 }
 537
 538 static int
 539 rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) {
 540
 541     const struct rsvp_object_header *rsvp_obj_header;
 542     const u_char *obj_tptr;
 543     u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
 544     int hexdump,processed,padbytes,error_code,error_value,i;
 545     union {
 546         float f;
 547         u_int32_t i;
 548     } bw;
 549     u_int8_t namelen;
 550
 551     while(tlen>=sizeof(struct rsvp_object_header)) {
 552         /* did we capture enough for fully decoding the object header ? */
 553         if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
 554             goto trunc;
 555
 556         rsvp_obj_header = (const struct rsvp_object_header *)tptr;
 557         rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
 558         rsvp_obj_ctype=rsvp_obj_header->ctype;
 559
 560         if(rsvp_obj_len % 4) {
 561             printf("%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len);
 562             return -1;
 563         }
 564         if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
 565             printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
 566                    (unsigned long)sizeof(const struct rsvp_object_header));
 567             return -1;
 568         }
 569
 570         printf("%s%s Object (%u) Flags: [%s",
 571                ident,
 572                tok2str(rsvp_obj_values,
 573                        "Unknown",
 574                        rsvp_obj_header->class_num),
 575                rsvp_obj_header->class_num,
 576                ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
 577
 578         if (rsvp_obj_header->class_num > 128)
 579             printf(" %s",
 580                    ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
 581
 582         printf(" if unknown], Class-Type: %s (%u), length: %u",
 583                tok2str(rsvp_ctype_values,
 584                        "Unknown",
 585                        ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
 586                rsvp_obj_ctype,
 587                rsvp_obj_len);
 588
 589         if(tlen < rsvp_obj_len) {
 590             printf("%sERROR: object goes past end of objects TLV", ident);
 591             return -1;
 592         }
 593
 594         obj_tptr=tptr+sizeof(struct rsvp_object_header);
 595         obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
 596
 597         /* did we capture enough for fully decoding the object ? */
 598         if (!TTEST2(*tptr, rsvp_obj_len))
 599             return -1;
 600         hexdump=FALSE;
 601
 602         switch(rsvp_obj_header->class_num) {
 603         case RSVP_OBJ_SESSION:
 604             switch(rsvp_obj_ctype) {
 605             case RSVP_CTYPE_IPV4:
 606                 if (obj_tlen < 8)
 607                     return -1;
 608                 printf("%s  IPv4 DestAddress: %s, Protocol ID: 0x%02x",
 609                        ident,
 610                        ipaddr_string(obj_tptr),
 611                        *(obj_tptr+4));
 612                 printf("%s  Flags: [0x%02x], DestPort %u",
 613                        ident,
 614                        *(obj_tptr+5),
 615                        EXTRACT_16BITS(obj_tptr+6));
 616                 obj_tlen-=8;
 617                 obj_tptr+=8;
 618                 break;
 619 #ifdef INET6
 620             case RSVP_CTYPE_IPV6:
 621                 if (obj_tlen < 20)
 622                     return -1;
 623                 printf("%s  IPv6 DestAddress: %s, Protocol ID: 0x%02x",
 624                        ident,
 625                        ip6addr_string(obj_tptr),
 626                        *(obj_tptr+16));
 627                 printf("%s  Flags: [0x%02x], DestPort %u",
 628                        ident,
 629                        *(obj_tptr+17),
 630                        EXTRACT_16BITS(obj_tptr+18));
 631                 obj_tlen-=20;
 632                 obj_tptr+=20;
 633                 break;
 634
 635             case RSVP_CTYPE_TUNNEL_IPV6:
 636                 if (obj_tlen < 36)
 637                     return -1;
 638                 printf("%s  IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 639                        ident,
 640                        ip6addr_string(obj_tptr),
 641                        EXTRACT_16BITS(obj_tptr+18),
 642                        ip6addr_string(obj_tptr+20));
 643                 obj_tlen-=36;
 644                 obj_tptr+=36;
 645                 break;
 646 #endif
 647             case RSVP_CTYPE_TUNNEL_IPV4:
 648                 if (obj_tlen < 12)
 649                     return -1;
 650                 printf("%s  IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 651                        ident,
 652                        ipaddr_string(obj_tptr),
 653                        EXTRACT_16BITS(obj_tptr+6),
 654                        ipaddr_string(obj_tptr+8));
 655                 obj_tlen-=12;
 656                 obj_tptr+=12;
 657                 break;
 658             default:
 659                 hexdump=TRUE;
 660             }
 661             break;
 662
 663         case RSVP_OBJ_CONFIRM:
 664             switch(rsvp_obj_ctype) {
 665             case RSVP_CTYPE_IPV4:
 666                 if (obj_tlen < 4)
 667                     return -1;
 668                 printf("%s  IPv4 Receiver Address: %s",
 669                        ident,
 670                        ipaddr_string(obj_tptr));
 671                 obj_tlen-=4;
 672                 obj_tptr+=4;
 673                 break;
 674 #ifdef INET6
 675             case RSVP_CTYPE_IPV6:
 676                 if (obj_tlen < 16)
 677                     return -1;
 678                 printf("%s  IPv6 Receiver Address: %s",
 679                        ident,
 680                        ip6addr_string(obj_tptr));
 681                 obj_tlen-=16;
 682                 obj_tptr+=16;
 683                 break;
 684 #endif
 685             default:
 686                 hexdump=TRUE;
 687             }
 688             break;
 689
 690         case RSVP_OBJ_NOTIFY_REQ:
 691             switch(rsvp_obj_ctype) {
 692             case RSVP_CTYPE_IPV4:
 693                 if (obj_tlen < 4)
 694                     return -1;
 695                 printf("%s  IPv4 Notify Node Address: %s",
 696                        ident,
 697                        ipaddr_string(obj_tptr));
 698                 obj_tlen-=4;
 699                 obj_tptr+=4;
 700                 break;
 701 #ifdef INET6
 702             case RSVP_CTYPE_IPV6:
 703                 if (obj_tlen < 16)
 704                     return-1;
 705                 printf("%s  IPv6 Notify Node Address: %s",
 706                        ident,
 707                        ip6addr_string(obj_tptr));
 708                 obj_tlen-=16;
 709                 obj_tptr+=16;
 710                 break;
 711 #endif
 712             default:
 713                 hexdump=TRUE;
 714             }
 715             break;
 716
 717         case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
 718         case RSVP_OBJ_UPSTREAM_LABEL:  /* fall through */
 719         case RSVP_OBJ_RECOVERY_LABEL:  /* fall through */
 720         case RSVP_OBJ_LABEL:
 721             switch(rsvp_obj_ctype) {
 722             case RSVP_CTYPE_1:
 723                 while(obj_tlen >= 4 ) {
 724                     printf("%s  Label: %u", ident, EXTRACT_32BITS(obj_tptr));
 725                     obj_tlen-=4;
 726                     obj_tptr+=4;
 727                 }
 728                 break;
 729             case RSVP_CTYPE_2:
 730                 if (obj_tlen < 4)
 731                     return-1;
 732                 printf("%s  Generalized Label: %u",
 733                        ident,
 734                        EXTRACT_32BITS(obj_tptr));
 735                 obj_tlen-=4;
 736                 obj_tptr+=4;
 737                 break;
 738             case RSVP_CTYPE_3:
 739                 if (obj_tlen < 12)
 740                     return-1;
 741                 printf("%s  Waveband ID: %u%s  Start Label: %u, Stop Label: %u",
 742                        ident,
 743                        EXTRACT_32BITS(obj_tptr),
 744                        ident,
 745                        EXTRACT_32BITS(obj_tptr+4),
 746                        EXTRACT_32BITS(obj_tptr+8));
 747                 obj_tlen-=12;
 748                 obj_tptr+=12;
 749                 break;
 750             default:
 751                 hexdump=TRUE;
 752             }
 753             break;
 754
 755         case RSVP_OBJ_STYLE:
 756             switch(rsvp_obj_ctype) {
 757             case RSVP_CTYPE_1:
 758                 if (obj_tlen < 4)
 759                     return-1;
 760                 printf("%s  Reservation Style: %s, Flags: [0x%02x]",
 761                        ident,
 762                        tok2str(rsvp_resstyle_values,
 763                                "Unknown",
 764                                EXTRACT_24BITS(obj_tptr+1)),
 765                        *(obj_tptr));
 766                 obj_tlen-=4;
 767                 obj_tptr+=4;
 768                 break;
 769             default:
 770                 hexdump=TRUE;
 771             }
 772             break;
 773
 774         case RSVP_OBJ_SENDER_TEMPLATE:
 775             switch(rsvp_obj_ctype) {
 776             case RSVP_CTYPE_IPV4:
 777                 if (obj_tlen < 8)
 778                     return-1;
 779                 printf("%s  Source Address: %s, Source Port: %u",
 780                        ident,
 781                        ipaddr_string(obj_tptr),
 782                        EXTRACT_16BITS(obj_tptr+6));
 783                 obj_tlen-=8;
 784                 obj_tptr+=8;
 785                 break;
 786 #ifdef INET6
 787             case RSVP_CTYPE_IPV6:
 788                 if (obj_tlen < 20)
 789                     return-1;
 790                 printf("%s  Source Address: %s, Source Port: %u",
 791                        ident,
 792                        ip6addr_string(obj_tptr),
 793                        EXTRACT_16BITS(obj_tptr+18));
 794                 obj_tlen-=20;
 795                 obj_tptr+=20;
 796                 break;
 797 #endif
 798             case RSVP_CTYPE_TUNNEL_IPV4:
 799                 if (obj_tlen < 8)
 800                     return-1;
 801                 printf("%s  IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
 802                        ident,
 803                        ipaddr_string(obj_tptr),
 804                        EXTRACT_16BITS(obj_tptr+6));
 805                 obj_tlen-=8;
 806                 obj_tptr+=8;
 807                 break;
 808             default:
 809                 hexdump=TRUE;
 810             }
 811             break;
 812
 813         case RSVP_OBJ_LABEL_REQ:
 814             switch(rsvp_obj_ctype) {
 815             case RSVP_CTYPE_1:
 816                 while(obj_tlen >= 4 ) {
 817                     printf("%s  L3 Protocol ID: %s",
 818                            ident,
 819                            tok2str(ethertype_values,
 820                                    "Unknown Protocol (0x%04x)",
 821                                    EXTRACT_16BITS(obj_tptr+2)));
 822                     obj_tlen-=4;
 823                     obj_tptr+=4;
 824                 }
 825                 break;
 826             case RSVP_CTYPE_2:
 827                 if (obj_tlen < 12)
 828                     return-1;
 829                 printf("%s  L3 Protocol ID: %s",
 830                        ident,
 831                        tok2str(ethertype_values,
 832                                "Unknown Protocol (0x%04x)",
 833                                EXTRACT_16BITS(obj_tptr+2)));
 834                 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
 835                 printf("%s  Minimum VPI/VCI: %u/%u",
 836                        ident,
 837                        (EXTRACT_16BITS(obj_tptr+4))&0xfff,
 838                        (EXTRACT_16BITS(obj_tptr+6))&0xfff);
 839                 printf("%s  Maximum VPI/VCI: %u/%u",
 840                        ident,
 841                        (EXTRACT_16BITS(obj_tptr+8))&0xfff,
 842                        (EXTRACT_16BITS(obj_tptr+10))&0xfff);
 843                 obj_tlen-=12;
 844                 obj_tptr+=12;
 845                 break;
 846             case RSVP_CTYPE_3:
 847                 if (obj_tlen < 12)
 848                     return-1;
 849                 printf("%s  L3 Protocol ID: %s",
 850                        ident,
 851                        tok2str(ethertype_values,
 852                                "Unknown Protocol (0x%04x)",
 853                                EXTRACT_16BITS(obj_tptr+2)));
 854                 printf("%s  Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
 855                        ident,
 856                        (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
 857                        (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
 858                        (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
 859                        (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
 860                 obj_tlen-=12;
 861                 obj_tptr+=12;
 862                 break;
 863             case RSVP_CTYPE_4:
 864                 if (obj_tlen < 8)
 865                     return-1;
 866                 printf("%s  LSP Encoding Type: %s (%u)",
 867                        ident,
 868                        tok2str(gmpls_encoding_values,
 869                                "Unknown",
 870                                *obj_tptr),
 871                        *obj_tptr);
 872                 printf("%s  Switching Type: %s (%u), Payload ID: %s (0x%04x)",
 873                        ident,
 874                        tok2str(gmpls_switch_cap_values,
 875                                "Unknown",
 876                                *(obj_tptr+1)),
 877                        *(obj_tptr+1),
 878                        tok2str(gmpls_payload_values,
 879                                "Unknown",
 880                                EXTRACT_16BITS(obj_tptr+2)),
 881                        EXTRACT_16BITS(obj_tptr+2));
 882                 obj_tlen-=8;
 883                 obj_tptr+=8;
 884                 break;
 885             default:
 886                 hexdump=TRUE;
 887             }
 888             break;
 889
 890         case RSVP_OBJ_RRO:
 891         case RSVP_OBJ_ERO:
 892             switch(rsvp_obj_ctype) {
 893             case RSVP_CTYPE_IPV4:
 894                 while(obj_tlen >= 4 ) {
 895                     printf("%s  Subobject Type: %s, length %u",
 896                            ident,
 897                            tok2str(rsvp_obj_xro_values,
 898                                    "Unknown %u",
 899                                    RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
 900                            *(obj_tptr+1));
 901
 902                     if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
 903                         printf("%s  ERROR: zero length ERO subtype",ident);
 904                         break;
 905                     }
 906
 907                     switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
 908                     case RSVP_OBJ_XRO_IPV4:
 909                         printf(", %s, %s/%u, Flags: [%s]",
 910                                RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
 911                                ipaddr_string(obj_tptr+2),
 912                                *(obj_tptr+6),
 913                                bittok2str(rsvp_obj_rro_flag_values,
 914                                    "none",
 915                                    *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
 916                     }
 917                     obj_tlen-=*(obj_tptr+1);
 918                     obj_tptr+=*(obj_tptr+1);
 919                 }
 920                 break;
 921             default:
 922                 hexdump=TRUE;
 923             }
 924             break;
 925
 926         case RSVP_OBJ_HELLO:
 927             switch(rsvp_obj_ctype) {
 928             case RSVP_CTYPE_1:
 929             case RSVP_CTYPE_2:
 930                 if (obj_tlen < 8)
 931                     return-1;
 932                 printf("%s  Source Instance: 0x%08x, Destination Instance: 0x%08x",
 933                        ident,
 934                        EXTRACT_32BITS(obj_tptr),
 935                        EXTRACT_32BITS(obj_tptr+4));
 936                 obj_tlen-=8;
 937                 obj_tptr+=8;
 938                 break;
 939             default:
 940                 hexdump=TRUE;
 941             }
 942             break;
 943
 944         case RSVP_OBJ_RESTART_CAPABILITY:
 945             switch(rsvp_obj_ctype) {
 946             case RSVP_CTYPE_1:
 947                 if (obj_tlen < 8)
 948                     return-1;
 949                 printf("%s  Restart  Time: %ums, Recovery Time: %ums",
 950                        ident,
 951                        EXTRACT_32BITS(obj_tptr),
 952                        EXTRACT_32BITS(obj_tptr+4));
 953                 obj_tlen-=8;
 954                 obj_tptr+=8;
 955                 break;
 956             default:
 957                 hexdump=TRUE;
 958             }
 959             break;
 960
 961         case RSVP_OBJ_SESSION_ATTRIBUTE:
 962             switch(rsvp_obj_ctype) {
 963             case RSVP_CTYPE_TUNNEL_IPV4:
 964                 if (obj_tlen < 4)
 965                     return-1;
 966                 namelen = *(obj_tptr+3);
 967                 if (obj_tlen < 4+namelen)
 968                     return-1;
 969                 printf("%s  Session Name: ", ident);
 970                 for (i = 0; i < namelen; i++)
 971                     safeputchar(*(obj_tptr+4+i));
 972                 printf("%s  Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
 973                        ident,
 974                        (int)*obj_tptr,
 975                        (int)*(obj_tptr+1),
 976                        tok2str(rsvp_session_attribute_flag_values,
 977                                   "none",
 978                                   *(obj_tptr+2)));
 979
 980                 obj_tlen-=4+*(obj_tptr+3);
 981                 obj_tptr+=4+*(obj_tptr+3);
 982                 break;
 983             default:
 984                 hexdump=TRUE;
 985             }
 986             break;
 987
 988         case RSVP_OBJ_RSVP_HOP:
 989             switch(rsvp_obj_ctype) {
 990             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
 991             case RSVP_CTYPE_IPV4:
 992                 if (obj_tlen < 8)
 993                     return-1;
 994                 printf("%s  Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
 995                        ident,
 996                        ipaddr_string(obj_tptr),
 997                        EXTRACT_32BITS(obj_tptr+4));
 998                 obj_tlen-=8;
 999                 obj_tptr+=8;
1000                 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1001                 break;
1002 #ifdef INET6
1003             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1004             case RSVP_CTYPE_IPV6:
1005                 if (obj_tlen < 20)
1006                     return-1;
1007                 printf("%s  Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1008                        ident,
1009                        ip6addr_string(obj_tptr),
1010                        EXTRACT_32BITS(obj_tptr+16));
1011                 obj_tlen-=20;
1012                 obj_tptr+=20;
1013                 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1014                 break;
1015 #endif
1016             default:
1017                 hexdump=TRUE;
1018             }
1019             break;
1020
1021         case RSVP_OBJ_TIME_VALUES:
1022             switch(rsvp_obj_ctype) {
1023             case RSVP_CTYPE_1:
1024                 if (obj_tlen < 4)
1025                     return-1;
1026                 printf("%s  Refresh Period: %ums",
1027                        ident,
1028                        EXTRACT_32BITS(obj_tptr));
1029                 obj_tlen-=4;
1030                 obj_tptr+=4;
1031                 break;
1032             default:
1033                 hexdump=TRUE;
1034             }
1035             break;
1036
1037         /* those three objects do share the same semantics */
1038         case RSVP_OBJ_SENDER_TSPEC:
1039         case RSVP_OBJ_ADSPEC:
1040         case RSVP_OBJ_FLOWSPEC:
1041             switch(rsvp_obj_ctype) {
1042             case RSVP_CTYPE_2:
1043                 if (obj_tlen < 4)
1044                     return-1;
1045                 printf("%s  Msg-Version: %u, length: %u",
1046                        ident,
1047                        (*obj_tptr & 0xf0) >> 4,
1048                        EXTRACT_16BITS(obj_tptr+2)<<2);
1049                 obj_tptr+=4; /* get to the start of the service header */
1050                 obj_tlen-=4;
1051
1052                 while (obj_tlen >= 4) {
1053                     intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1054                     printf("%s  Service Type: %s (%u), break bit %s set, Service length: %u",
1055                            ident,
1056                            tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1057                            *(obj_tptr),
1058                            (*(obj_tptr+1)&0x80) ? "" : "not",
1059                            intserv_serv_tlen);
1060
1061                     obj_tptr+=4; /* get to the start of the parameter list */
1062                     obj_tlen-=4;
1063
1064                     while (intserv_serv_tlen>=4) {
1065                         processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1066                         if (processed == 0)
1067                             break;
1068                         obj_tlen-=processed;
1069                         intserv_serv_tlen-=processed;
1070                         obj_tptr+=processed;
1071                     }
1072                 }
1073                 break;
1074             default:
1075                 hexdump=TRUE;
1076             }
1077             break;
1078
1079         case RSVP_OBJ_FILTERSPEC:
1080             switch(rsvp_obj_ctype) {
1081             case RSVP_CTYPE_IPV4:
1082                 if (obj_tlen < 8)
1083                     return-1;
1084                 printf("%s  Source Address: %s, Source Port: %u",
1085                        ident,
1086                        ipaddr_string(obj_tptr),
1087                        EXTRACT_16BITS(obj_tptr+6));
1088                 obj_tlen-=8;
1089                 obj_tptr+=8;
1090                 break;
1091 #ifdef INET6
1092             case RSVP_CTYPE_IPV6:
1093                 if (obj_tlen < 20)
1094                     return-1;
1095                 printf("%s  Source Address: %s, Source Port: %u",
1096                        ident,
1097                        ip6addr_string(obj_tptr),
1098                        EXTRACT_16BITS(obj_tptr+18));
1099                 obj_tlen-=20;
1100                 obj_tptr+=20;
1101                 break;
1102             case RSVP_CTYPE_3:
1103                 if (obj_tlen < 20)
1104                     return-1;
1105                 printf("%s  Source Address: %s, Flow Label: %u",
1106                        ident,
1107                        ip6addr_string(obj_tptr),
1108                        EXTRACT_24BITS(obj_tptr+17));
1109                 obj_tlen-=20;
1110                 obj_tptr+=20;
1111                 break;
1112             case RSVP_CTYPE_TUNNEL_IPV6:
1113                 if (obj_tlen < 20)
1114                     return-1;
1115                 printf("%s  Source Address: %s, LSP-ID: 0x%04x",
1116                        ident,
1117                        ipaddr_string(obj_tptr),
1118                        EXTRACT_16BITS(obj_tptr+18));
1119                 obj_tlen-=20;
1120                 obj_tptr+=20;
1121                 break;
1122 #endif
1123             case RSVP_CTYPE_TUNNEL_IPV4:
1124                 if (obj_tlen < 8)
1125                     return-1;
1126                 printf("%s  Source Address: %s, LSP-ID: 0x%04x",
1127                        ident,
1128                        ipaddr_string(obj_tptr),
1129                        EXTRACT_16BITS(obj_tptr+6));
1130                 obj_tlen-=8;
1131                 obj_tptr+=8;
1132                 break;
1133             default:
1134                 hexdump=TRUE;
1135             }
1136             break;
1137
1138         case RSVP_OBJ_FASTREROUTE:
1139             switch(rsvp_obj_ctype) {
1140             case RSVP_CTYPE_TUNNEL_IPV4:
1141                 if (obj_tlen < 16)
1142                     return-1;
1143                 bw.i = EXTRACT_32BITS(obj_tptr+4);
1144                 printf("%s  Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1145                        ident,
1146                        (int)*obj_tptr,
1147                        (int)*(obj_tptr+1),
1148                        (int)*(obj_tptr+2),
1149                         bw.f*8/1000000);
1150                 printf("%s  Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1151                        ident,
1152                        EXTRACT_32BITS(obj_tptr+8),
1153                        EXTRACT_32BITS(obj_tptr+12));
1154                 obj_tlen-=16;
1155                 obj_tptr+=16;
1156                 break;
1157             default:
1158                 hexdump=TRUE;
1159             }
1160             break;
1161
1162         case RSVP_OBJ_DETOUR:
1163             switch(rsvp_obj_ctype) {
1164             case RSVP_CTYPE_TUNNEL_IPV4:
1165                 while(obj_tlen >= 8) {
1166                     printf("%s  PLR-ID: %s, Avoid-Node-ID: %s",
1167                            ident,
1168                            ipaddr_string(obj_tptr),
1169                            ipaddr_string(obj_tptr+4));
1170                     obj_tlen-=8;
1171                     obj_tptr+=8;
1172                 }
1173                 break;
1174             default:
1175                 hexdump=TRUE;
1176             }
1177             break;
1178
1179         case RSVP_OBJ_CLASSTYPE:
1180             switch(rsvp_obj_ctype) {
1181             case RSVP_CTYPE_1:
1182                 printf("%s  Class Type: %u",
1183                        ident,
1184                        EXTRACT_32BITS(obj_tptr)&0x7);
1185                 obj_tlen-=4;
1186                 obj_tptr+=4;
1187                 break;
1188             default:
1189                 hexdump=TRUE;
1190             }
1191             break;
1192
1193         case RSVP_OBJ_ERROR_SPEC:
1194             switch(rsvp_obj_ctype) {
1195             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1196             case RSVP_CTYPE_IPV4:
1197                 if (obj_tlen < 8)
1198                     return-1;
1199                 error_code=*(obj_tptr+5);
1200                 error_value=EXTRACT_16BITS(obj_tptr+6);
1201                 printf("%s  Error Node Address: %s, Flags: [0x%02x]%s  Error Code: %s (%u)",
1202                        ident,
1203                        ipaddr_string(obj_tptr),
1204                        *(obj_tptr+4),
1205                        ident,
1206                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1207                        error_code);
1208                 switch (error_code) {
1209                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1210                     printf(", Error Value: %s (%u)",
1211                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1212                            error_value);
1213                     break;
1214                 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE:
1215                     printf(", Error Value: %s (%u)",
1216                            tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1217                            error_value);
1218                     break;
1219                 default:
1220                     printf(", Unknown Error Value (%u)", error_value);
1221                     break;
1222                 }
1223                 obj_tlen-=8;
1224                 obj_tptr+=8;
1225                 break;
1226 #ifdef INET6
1227             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1228             case RSVP_CTYPE_IPV6:
1229                 if (obj_tlen < 20)
1230                     return-1;
1231                 error_code=*(obj_tptr+17);
1232                 error_value=EXTRACT_16BITS(obj_tptr+18);
1233                 printf("%s  Error Node Address: %s, Flags: [0x%02x]%s  Error Code: %s (%u)",
1234                        ident,
1235                        ip6addr_string(obj_tptr),
1236                        *(obj_tptr+16),
1237                        ident,
1238                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1239                        error_code);
1240
1241                 switch (error_code) {
1242                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1243                     printf(", Error Value: %s (%u)",
1244                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1245                            error_value);
1246                     break;
1247                 default:
1248                     break;
1249                 }
1250                 obj_tlen-=20;
1251                 obj_tptr+=20;
1252                 break;
1253 #endif
1254             default:
1255                 hexdump=TRUE;
1256             }
1257             break;
1258
1259         case RSVP_OBJ_PROPERTIES:
1260             switch(rsvp_obj_ctype) {
1261             case RSVP_CTYPE_1:
1262                 if (obj_tlen < 4)
1263                     return-1;
1264                 padbytes = EXTRACT_16BITS(obj_tptr+2);
1265                 printf("%s  TLV count: %u, padding bytes: %u",
1266                        ident,
1267                        EXTRACT_16BITS(obj_tptr),
1268                        padbytes);
1269                 obj_tlen-=4;
1270                 obj_tptr+=4;
1271                 /* loop through as long there is anything longer than the TLV header (2) */
1272                 while(obj_tlen >= 2 + padbytes) {
1273                     printf("%s    %s TLV (0x%02x), length: %u", /* length includes header */
1274                            ident,
1275                            tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1276                            *obj_tptr,
1277                            *(obj_tptr+1));
1278                     if (obj_tlen < *(obj_tptr+1))
1279                         return-1;
1280                     if (*(obj_tptr+1) < 2)
1281                         return -1;
1282                     print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1283                     obj_tlen-=*(obj_tptr+1);
1284                     obj_tptr+=*(obj_tptr+1);
1285                 }
1286                 break;
1287             default:
1288                 hexdump=TRUE;
1289             }
1290             break;
1291
1292         case RSVP_OBJ_MESSAGE_ID:     /* fall through */
1293         case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1294         case RSVP_OBJ_MESSAGE_ID_LIST:
1295             switch(rsvp_obj_ctype) {
1296             case RSVP_CTYPE_1:
1297                 if (obj_tlen < 8)
1298                     return-1;
1299                 printf("%s  Flags [0x%02x], epoch: %u",
1300                        ident,
1301                        *obj_tptr,
1302                        EXTRACT_24BITS(obj_tptr+1));
1303                 obj_tlen-=4;
1304                 obj_tptr+=4;
1305                 /* loop through as long there are no messages left */
1306                 while(obj_tlen >= 4) {
1307                     printf("%s    Message-ID 0x%08x (%u)",
1308                            ident,
1309                            EXTRACT_32BITS(obj_tptr),
1310                            EXTRACT_32BITS(obj_tptr));
1311                     obj_tlen-=4;
1312                     obj_tptr+=4;
1313                 }
1314                 break;
1315             default:
1316                 hexdump=TRUE;
1317             }
1318             break;
1319
1320         /*
1321          *  FIXME those are the defined objects that lack a decoder
1322          *  you are welcome to contribute code ;-)
1323          */
1324
1325         case RSVP_OBJ_INTEGRITY:
1326         case RSVP_OBJ_SCOPE:
1327         case RSVP_OBJ_POLICY_DATA:
1328         case RSVP_OBJ_LABEL_SET:
1329         case RSVP_OBJ_ACCEPT_LABEL_SET:
1330         case RSVP_OBJ_PROTECTION:
1331         default:
1332             if (vflag <= 1)
1333                 print_unknown_data(obj_tptr,"\n\t    ",obj_tlen); /* FIXME indentation */
1334             break;
1335         }
1336         /* do we also want to see a hex dump ? */
1337         if (vflag > 1 || hexdump==TRUE)
1338             print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t    ", /* FIXME indentation */
1339                                rsvp_obj_len-sizeof(struct rsvp_object_header));
1340
1341         tptr+=rsvp_obj_len;
1342         tlen-=rsvp_obj_len;
1343     }
1344     return 0;
1345 trunc:
1346     printf("\n\t\t packet exceeded snapshot");
1347     return -1;
1348 }
1349
1350
1351 void
1352 rsvp_print(register const u_char *pptr, register u_int len) {
1353
1354     const struct rsvp_common_header *rsvp_com_header;
1355     const u_char *tptr,*subtptr;
1356     u_short tlen,subtlen;
1357
1358     tptr=pptr;
1359
1360     rsvp_com_header = (const struct rsvp_common_header *)pptr;
1361     TCHECK(*rsvp_com_header);
1362
1363     /*
1364      * Sanity checking of the header.
1365      */
1366     if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1367         printf("ERROR: RSVP version %u packet not supported",
1368                RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1369         return;
1370     }
1371
1372     /* in non-verbose mode just lets print the basic Message Type*/
1373     if (vflag < 1) {
1374         printf("RSVPv%u %s Message, length: %u",
1375                RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1376                tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1377                len);
1378         return;
1379     }
1380
1381     /* ok they seem to want to know everything - lets fully decode it */
1382
1383     tlen=EXTRACT_16BITS(rsvp_com_header->length);
1384
1385     printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1386            RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1387            tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1388            rsvp_com_header->msg_type,
1389            bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1390            tlen,
1391            rsvp_com_header->ttl,
1392            EXTRACT_16BITS(rsvp_com_header->checksum));
1393
1394     if (tlen < sizeof(const struct rsvp_common_header)) {
1395         printf("ERROR: common header too short %u < %lu", tlen,
1396                (unsigned long)sizeof(const struct rsvp_common_header));
1397         return;
1398     }
1399
1400     tptr+=sizeof(const struct rsvp_common_header);
1401     tlen-=sizeof(const struct rsvp_common_header);
1402
1403     switch(rsvp_com_header->msg_type) {
1404
1405     case RSVP_MSGTYPE_AGGREGATE:
1406         while(tlen > 0) {
1407             subtptr=tptr;
1408             rsvp_com_header = (const struct rsvp_common_header *)subtptr;
1409             TCHECK(*rsvp_com_header);
1410
1411             /*
1412              * Sanity checking of the header.
1413              */
1414             if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1415                 printf("ERROR: RSVP version %u packet not supported",
1416                        RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1417                 return;
1418             }
1419             subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1420
1421             printf("\n\t  RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1422                    RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1423                    tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1424                    rsvp_com_header->msg_type,
1425                    bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1426                    subtlen,
1427                    rsvp_com_header->ttl,
1428                    EXTRACT_16BITS(rsvp_com_header->checksum));
1429
1430             if (subtlen < sizeof(const struct rsvp_common_header)) {
1431                 printf("ERROR: common header too short %u < %lu", subtlen,
1432                        (unsigned long)sizeof(const struct rsvp_common_header));
1433                 return;
1434             }
1435
1436             if (tlen < subtlen) {
1437                 printf("ERROR: common header too large %u > %u", subtlen,
1438                        tlen);
1439                 return;
1440             }
1441
1442             subtptr+=sizeof(const struct rsvp_common_header);
1443             subtlen-=sizeof(const struct rsvp_common_header);
1444
1445             if (rsvp_obj_print(subtptr,"\n\t    ", subtlen) == -1)
1446                 return;
1447
1448             tptr+=subtlen+sizeof(const struct rsvp_common_header);
1449             tlen-=subtlen+sizeof(const struct rsvp_common_header);
1450         }
1451
1452         break;
1453
1454     case RSVP_MSGTYPE_PATH:
1455     case RSVP_MSGTYPE_RESV:
1456     case RSVP_MSGTYPE_PATHERR:
1457     case RSVP_MSGTYPE_RESVERR:
1458     case RSVP_MSGTYPE_PATHTEAR:
1459     case RSVP_MSGTYPE_RESVTEAR:
1460     case RSVP_MSGTYPE_RESVCONF:
1461     case RSVP_MSGTYPE_HELLO_OLD:
1462     case RSVP_MSGTYPE_HELLO:
1463     case RSVP_MSGTYPE_ACK:
1464     case RSVP_MSGTYPE_SREFRESH:
1465         if (rsvp_obj_print(tptr,"\n\t  ", tlen) == -1)
1466             return;
1467         break;
1468
1469     default:
1470         print_unknown_data(tptr,"\n\t    ",tlen);
1471         break;
1472     }
1473
1474     return;
1475 trunc:
1476     printf("\n\t\t packet exceeded snapshot");
1477 }