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 2005/01/13 07:08:54 hannes 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>0) {
 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 || rsvp_obj_len < sizeof(struct rsvp_object_header)) {
 561             printf("%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
 562                    (unsigned long)sizeof(const struct rsvp_object_header));
 563             return -1;
 564         }
 565
 566         printf("%s%s Object (%u) Flags: [%s",
 567                ident,
 568                tok2str(rsvp_obj_values,
 569                        "Unknown",
 570                        rsvp_obj_header->class_num),
 571                rsvp_obj_header->class_num,
 572                ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
 573
 574         if (rsvp_obj_header->class_num > 128)
 575             printf(" %s",
 576                    ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
 577
 578         printf(" if unknown], Class-Type: %s (%u), length: %u",
 579                tok2str(rsvp_ctype_values,
 580                        "Unknown",
 581                        ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
 582                rsvp_obj_ctype,
 583                rsvp_obj_len);
 584
 585         obj_tptr=tptr+sizeof(struct rsvp_object_header);
 586         obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
 587
 588         /* did we capture enough for fully decoding the object ? */
 589         if (!TTEST2(*tptr, rsvp_obj_len))
 590             return -1;
 591         hexdump=FALSE;
 592
 593         switch(rsvp_obj_header->class_num) {
 594         case RSVP_OBJ_SESSION:
 595             switch(rsvp_obj_ctype) {
 596             case RSVP_CTYPE_IPV4:
 597                 if (obj_tlen < 8)
 598                     return -1;
 599                 printf("%s  IPv4 DestAddress: %s, Protocol ID: 0x%02x",
 600                        ident,
 601                        ipaddr_string(obj_tptr),
 602                        *(obj_tptr+4));
 603                 printf("%s  Flags: [0x%02x], DestPort %u",
 604                        ident,
 605                        *(obj_tptr+5),
 606                        EXTRACT_16BITS(obj_tptr+6));
 607                 obj_tlen-=8;
 608                 obj_tptr+=8;
 609                 break;
 610 #ifdef INET6
 611             case RSVP_CTYPE_IPV6:
 612                 if (obj_tlen < 20)
 613                     return -1;
 614                 printf("%s  IPv6 DestAddress: %s, Protocol ID: 0x%02x",
 615                        ident,
 616                        ip6addr_string(obj_tptr),
 617                        *(obj_tptr+16));
 618                 printf("%s  Flags: [0x%02x], DestPort %u",
 619                        ident,
 620                        *(obj_tptr+17),
 621                        EXTRACT_16BITS(obj_tptr+18));
 622                 obj_tlen-=20;
 623                 obj_tptr+=20;
 624                 break;
 625
 626             case RSVP_CTYPE_TUNNEL_IPV6:
 627                 if (obj_tlen < 36)
 628                     return -1;
 629                 printf("%s  IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 630                        ident,
 631                        ip6addr_string(obj_tptr),
 632                        EXTRACT_16BITS(obj_tptr+18),
 633                        ip6addr_string(obj_tptr+20));
 634                 obj_tlen-=36;
 635                 obj_tptr+=36;
 636                 break;
 637 #endif
 638             case RSVP_CTYPE_TUNNEL_IPV4:
 639                 if (obj_tlen < 12)
 640                     return -1;
 641                 printf("%s  IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 642                        ident,
 643                        ipaddr_string(obj_tptr),
 644                        EXTRACT_16BITS(obj_tptr+6),
 645                        ipaddr_string(obj_tptr+8));
 646                 obj_tlen-=12;
 647                 obj_tptr+=12;
 648                 break;
 649             default:
 650                 hexdump=TRUE;
 651             }
 652             break;
 653
 654         case RSVP_OBJ_CONFIRM:
 655             switch(rsvp_obj_ctype) {
 656             case RSVP_CTYPE_IPV4:
 657                 if (obj_tlen < 4)
 658                     return -1;
 659                 printf("%s  IPv4 Receiver Address: %s",
 660                        ident,
 661                        ipaddr_string(obj_tptr));
 662                 obj_tlen-=4;
 663                 obj_tptr+=4;
 664                 break;
 665 #ifdef INET6
 666             case RSVP_CTYPE_IPV6:
 667                 if (obj_tlen < 16)
 668                     return -1;
 669                 printf("%s  IPv6 Receiver Address: %s",
 670                        ident,
 671                        ip6addr_string(obj_tptr));
 672                 obj_tlen-=16;
 673                 obj_tptr+=16;
 674                 break;
 675 #endif
 676             default:
 677                 hexdump=TRUE;
 678             }
 679             break;
 680
 681         case RSVP_OBJ_NOTIFY_REQ:
 682             switch(rsvp_obj_ctype) {
 683             case RSVP_CTYPE_IPV4:
 684                 if (obj_tlen < 4)
 685                     return -1;
 686                 printf("%s  IPv4 Notify Node Address: %s",
 687                        ident,
 688                        ipaddr_string(obj_tptr));
 689                 obj_tlen-=4;
 690                 obj_tptr+=4;
 691                 break;
 692 #ifdef INET6
 693             case RSVP_CTYPE_IPV6:
 694                 if (obj_tlen < 16)
 695                     return-1;
 696                 printf("%s  IPv6 Notify Node Address: %s",
 697                        ident,
 698                        ip6addr_string(obj_tptr));
 699                 obj_tlen-=16;
 700                 obj_tptr+=16;
 701                 break;
 702 #endif
 703             default:
 704                 hexdump=TRUE;
 705             }
 706             break;
 707
 708         case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
 709         case RSVP_OBJ_UPSTREAM_LABEL:  /* fall through */
 710         case RSVP_OBJ_RECOVERY_LABEL:  /* fall through */
 711         case RSVP_OBJ_LABEL:
 712             switch(rsvp_obj_ctype) {
 713             case RSVP_CTYPE_1:
 714                 while(obj_tlen >= 4 ) {
 715                     printf("%s  Label: %u", ident, EXTRACT_32BITS(obj_tptr));
 716                     obj_tlen-=4;
 717                     obj_tptr+=4;
 718                 }
 719                 break;
 720             case RSVP_CTYPE_2:
 721                 if (obj_tlen < 4)
 722                     return-1;
 723                 printf("%s  Generalized Label: %u",
 724                        ident,
 725                        EXTRACT_32BITS(obj_tptr));
 726                 obj_tlen-=4;
 727                 obj_tptr+=4;
 728                 break;
 729             case RSVP_CTYPE_3:
 730                 if (obj_tlen < 12)
 731                     return-1;
 732                 printf("%s  Waveband ID: %u%s  Start Label: %u, Stop Label: %u",
 733                        ident,
 734                        EXTRACT_32BITS(obj_tptr),
 735                        ident,
 736                        EXTRACT_32BITS(obj_tptr+4),
 737                        EXTRACT_32BITS(obj_tptr+8));
 738                 obj_tlen-=12;
 739                 obj_tptr+=12;
 740                 break;
 741             default:
 742                 hexdump=TRUE;
 743             }
 744             break;
 745
 746         case RSVP_OBJ_STYLE:
 747             switch(rsvp_obj_ctype) {
 748             case RSVP_CTYPE_1:
 749                 if (obj_tlen < 4)
 750                     return-1;
 751                 printf("%s  Reservation Style: %s, Flags: [0x%02x]",
 752                        ident,
 753                        tok2str(rsvp_resstyle_values,
 754                                "Unknown",
 755                                EXTRACT_24BITS(obj_tptr+1)),
 756                        *(obj_tptr));
 757                 obj_tlen-=4;
 758                 obj_tptr+=4;
 759                 break;
 760             default:
 761                 hexdump=TRUE;
 762             }
 763             break;
 764
 765         case RSVP_OBJ_SENDER_TEMPLATE:
 766             switch(rsvp_obj_ctype) {
 767             case RSVP_CTYPE_IPV4:
 768                 if (obj_tlen < 8)
 769                     return-1;
 770                 printf("%s  Source Address: %s, Source Port: %u",
 771                        ident,
 772                        ipaddr_string(obj_tptr),
 773                        EXTRACT_16BITS(obj_tptr+6));
 774                 obj_tlen-=8;
 775                 obj_tptr+=8;
 776                 break;
 777 #ifdef INET6
 778             case RSVP_CTYPE_IPV6:
 779                 if (obj_tlen < 20)
 780                     return-1;
 781                 printf("%s  Source Address: %s, Source Port: %u",
 782                        ident,
 783                        ip6addr_string(obj_tptr),
 784                        EXTRACT_16BITS(obj_tptr+18));
 785                 obj_tlen-=20;
 786                 obj_tptr+=20;
 787                 break;
 788 #endif
 789             case RSVP_CTYPE_TUNNEL_IPV4:
 790                 if (obj_tlen < 8)
 791                     return-1;
 792                 printf("%s  IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
 793                        ident,
 794                        ipaddr_string(obj_tptr),
 795                        EXTRACT_16BITS(obj_tptr+6));
 796                 obj_tlen-=8;
 797                 obj_tptr+=8;
 798                 break;
 799             default:
 800                 hexdump=TRUE;
 801             }
 802             break;
 803
 804         case RSVP_OBJ_LABEL_REQ:
 805             switch(rsvp_obj_ctype) {
 806             case RSVP_CTYPE_1:
 807                 while(obj_tlen >= 4 ) {
 808                     printf("%s  L3 Protocol ID: %s",
 809                            ident,
 810                            tok2str(ethertype_values,
 811                                    "Unknown Protocol (0x%04x)",
 812                                    EXTRACT_16BITS(obj_tptr+2)));
 813                     obj_tlen-=4;
 814                     obj_tptr+=4;
 815                 }
 816                 break;
 817             case RSVP_CTYPE_2:
 818                 if (obj_tlen < 12)
 819                     return-1;
 820                 printf("%s  L3 Protocol ID: %s",
 821                        ident,
 822                        tok2str(ethertype_values,
 823                                "Unknown Protocol (0x%04x)",
 824                                EXTRACT_16BITS(obj_tptr+2)));
 825                 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
 826                 printf("%s  Minimum VPI/VCI: %u/%u",
 827                        ident,
 828                        (EXTRACT_16BITS(obj_tptr+4))&0xfff,
 829                        (EXTRACT_16BITS(obj_tptr+6))&0xfff);
 830                 printf("%s  Maximum VPI/VCI: %u/%u",
 831                        ident,
 832                        (EXTRACT_16BITS(obj_tptr+8))&0xfff,
 833                        (EXTRACT_16BITS(obj_tptr+10))&0xfff);
 834                 obj_tlen-=12;
 835                 obj_tptr+=12;
 836                 break;
 837             case RSVP_CTYPE_3:
 838                 if (obj_tlen < 12)
 839                     return-1;
 840                 printf("%s  L3 Protocol ID: %s",
 841                        ident,
 842                        tok2str(ethertype_values,
 843                                "Unknown Protocol (0x%04x)",
 844                                EXTRACT_16BITS(obj_tptr+2)));
 845                 printf("%s  Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
 846                        ident,
 847                        (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
 848                        (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
 849                        (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
 850                        (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
 851                 obj_tlen-=12;
 852                 obj_tptr+=12;
 853                 break;
 854             case RSVP_CTYPE_4:
 855                 if (obj_tlen < 8)
 856                     return-1;
 857                 printf("%s  LSP Encoding Type: %s (%u)",
 858                        ident,
 859                        tok2str(gmpls_encoding_values,
 860                                "Unknown",
 861                                *obj_tptr),
 862                        *obj_tptr);
 863                 printf("%s  Switching Type: %s (%u), Payload ID: %s (0x%04x)",
 864                        ident,
 865                        tok2str(gmpls_switch_cap_values,
 866                                "Unknown",
 867                                *(obj_tptr+1)),
 868                        *(obj_tptr+1),
 869                        tok2str(gmpls_payload_values,
 870                                "Unknown",
 871                                EXTRACT_16BITS(obj_tptr+2)),
 872                        EXTRACT_16BITS(obj_tptr+2));
 873                 obj_tlen-=8;
 874                 obj_tptr+=8;
 875                 break;
 876             default:
 877                 hexdump=TRUE;
 878             }
 879             break;
 880
 881         case RSVP_OBJ_RRO:
 882         case RSVP_OBJ_ERO:
 883             switch(rsvp_obj_ctype) {
 884             case RSVP_CTYPE_IPV4:
 885                 while(obj_tlen >= 4 ) {
 886                     printf("%s  Subobject Type: %s, length %u",
 887                            ident,
 888                            tok2str(rsvp_obj_xro_values,
 889                                    "Unknown %u",
 890                                    RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
 891                            *(obj_tptr+1));
 892
 893                     if (*(obj_tptr+1) == 0) { /* prevent infinite loops */
 894                         printf("%s  ERROR: zero length ERO subtype",ident);
 895                         break;
 896                     }
 897
 898                     switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
 899                     case RSVP_OBJ_XRO_IPV4:
 900                         printf(", %s, %s/%u, Flags: [%s]",
 901                                RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
 902                                ipaddr_string(obj_tptr+2),
 903                                *(obj_tptr+6),
 904                                bittok2str(rsvp_obj_rro_flag_values,
 905                                    "none",
 906                                    *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
 907                     }
 908                     obj_tlen-=*(obj_tptr+1);
 909                     obj_tptr+=*(obj_tptr+1);
 910                 }
 911                 break;
 912             default:
 913                 hexdump=TRUE;
 914             }
 915             break;
 916
 917         case RSVP_OBJ_HELLO:
 918             switch(rsvp_obj_ctype) {
 919             case RSVP_CTYPE_1:
 920             case RSVP_CTYPE_2:
 921                 if (obj_tlen < 8)
 922                     return-1;
 923                 printf("%s  Source Instance: 0x%08x, Destination Instance: 0x%08x",
 924                        ident,
 925                        EXTRACT_32BITS(obj_tptr),
 926                        EXTRACT_32BITS(obj_tptr+4));
 927                 obj_tlen-=8;
 928                 obj_tptr+=8;
 929                 break;
 930             default:
 931                 hexdump=TRUE;
 932             }
 933             break;
 934
 935         case RSVP_OBJ_RESTART_CAPABILITY:
 936             switch(rsvp_obj_ctype) {
 937             case RSVP_CTYPE_1:
 938                 if (obj_tlen < 8)
 939                     return-1;
 940                 printf("%s  Restart  Time: %ums, Recovery Time: %ums",
 941                        ident,
 942                        EXTRACT_32BITS(obj_tptr),
 943                        EXTRACT_32BITS(obj_tptr+4));
 944                 obj_tlen-=8;
 945                 obj_tptr+=8;
 946                 break;
 947             default:
 948                 hexdump=TRUE;
 949             }
 950             break;
 951
 952         case RSVP_OBJ_SESSION_ATTRIBUTE:
 953             switch(rsvp_obj_ctype) {
 954             case RSVP_CTYPE_TUNNEL_IPV4:
 955                 if (obj_tlen < 4)
 956                     return-1;
 957                 namelen = *(obj_tptr+3);
 958                 if (obj_tlen < 4+namelen)
 959                     return-1;
 960                 printf("%s  Session Name: ", ident);
 961                 for (i = 0; i < namelen; i++)
 962                     safeputchar(*(obj_tptr+4+i));
 963                 printf("%s  Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
 964                        ident,
 965                        (int)*obj_tptr,
 966                        (int)*(obj_tptr+1),
 967                        tok2str(rsvp_session_attribute_flag_values,
 968                                   "none",
 969                                   *(obj_tptr+2)));
 970
 971                 obj_tlen-=4+*(obj_tptr+3);
 972                 obj_tptr+=4+*(obj_tptr+3);
 973                 break;
 974             default:
 975                 hexdump=TRUE;
 976             }
 977             break;
 978
 979         case RSVP_OBJ_RSVP_HOP:
 980             switch(rsvp_obj_ctype) {
 981             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
 982             case RSVP_CTYPE_IPV4:
 983                 if (obj_tlen < 8)
 984                     return-1;
 985                 printf("%s  Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
 986                        ident,
 987                        ipaddr_string(obj_tptr),
 988                        EXTRACT_32BITS(obj_tptr+4));
 989                 obj_tlen-=8;
 990                 obj_tptr+=8;
 991                 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
 992                 break;
 993 #ifdef INET6
 994             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
 995             case RSVP_CTYPE_IPV6:
 996                 if (obj_tlen < 20)
 997                     return-1;
 998                 printf("%s  Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
 999                        ident,
1000                        ip6addr_string(obj_tptr),
1001                        EXTRACT_32BITS(obj_tptr+16));
1002                 obj_tlen-=20;
1003                 obj_tptr+=20;
1004                 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1005                 break;
1006 #endif
1007             default:
1008                 hexdump=TRUE;
1009             }
1010             break;
1011
1012         case RSVP_OBJ_TIME_VALUES:
1013             switch(rsvp_obj_ctype) {
1014             case RSVP_CTYPE_1:
1015                 if (obj_tlen < 4)
1016                     return-1;
1017                 printf("%s  Refresh Period: %ums",
1018                        ident,
1019                        EXTRACT_32BITS(obj_tptr));
1020                 obj_tlen-=4;
1021                 obj_tptr+=4;
1022                 break;
1023             default:
1024                 hexdump=TRUE;
1025             }
1026             break;
1027
1028         /* those three objects do share the same semantics */
1029         case RSVP_OBJ_SENDER_TSPEC:
1030         case RSVP_OBJ_ADSPEC:
1031         case RSVP_OBJ_FLOWSPEC:
1032             switch(rsvp_obj_ctype) {
1033             case RSVP_CTYPE_2:
1034                 if (obj_tlen < 4)
1035                     return-1;
1036                 printf("%s  Msg-Version: %u, length: %u",
1037                        ident,
1038                        (*obj_tptr & 0xf0) >> 4,
1039                        EXTRACT_16BITS(obj_tptr+2)<<2);
1040                 obj_tptr+=4; /* get to the start of the service header */
1041                 obj_tlen-=4;
1042
1043                 while (obj_tlen >= 4) {
1044                     intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1045                     printf("%s  Service Type: %s (%u), break bit %s set, Service length: %u",
1046                            ident,
1047                            tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1048                            *(obj_tptr),
1049                            (*(obj_tptr+1)&0x80) ? "" : "not",
1050                            intserv_serv_tlen);
1051
1052                     obj_tptr+=4; /* get to the start of the parameter list */
1053                     obj_tlen-=4;
1054
1055                     while (intserv_serv_tlen>=4) {
1056                         processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1057                         if (processed == 0)
1058                             break;
1059                         obj_tlen-=processed;
1060                         intserv_serv_tlen-=processed;
1061                         obj_tptr+=processed;
1062                     }
1063                 }
1064                 break;
1065             default:
1066                 hexdump=TRUE;
1067             }
1068             break;
1069
1070         case RSVP_OBJ_FILTERSPEC:
1071             switch(rsvp_obj_ctype) {
1072             case RSVP_CTYPE_IPV4:
1073                 if (obj_tlen < 8)
1074                     return-1;
1075                 printf("%s  Source Address: %s, Source Port: %u",
1076                        ident,
1077                        ipaddr_string(obj_tptr),
1078                        EXTRACT_16BITS(obj_tptr+6));
1079                 obj_tlen-=8;
1080                 obj_tptr+=8;
1081                 break;
1082 #ifdef INET6
1083             case RSVP_CTYPE_IPV6:
1084                 if (obj_tlen < 20)
1085                     return-1;
1086                 printf("%s  Source Address: %s, Source Port: %u",
1087                        ident,
1088                        ip6addr_string(obj_tptr),
1089                        EXTRACT_16BITS(obj_tptr+18));
1090                 obj_tlen-=20;
1091                 obj_tptr+=20;
1092                 break;
1093             case RSVP_CTYPE_3:
1094                 if (obj_tlen < 20)
1095                     return-1;
1096                 printf("%s  Source Address: %s, Flow Label: %u",
1097                        ident,
1098                        ip6addr_string(obj_tptr),
1099                        EXTRACT_24BITS(obj_tptr+17));
1100                 obj_tlen-=20;
1101                 obj_tptr+=20;
1102                 break;
1103             case RSVP_CTYPE_TUNNEL_IPV6:
1104                 if (obj_tlen < 20)
1105                     return-1;
1106                 printf("%s  Source Address: %s, LSP-ID: 0x%04x",
1107                        ident,
1108                        ipaddr_string(obj_tptr),
1109                        EXTRACT_16BITS(obj_tptr+18));
1110                 obj_tlen-=20;
1111                 obj_tptr+=20;
1112                 break;
1113 #endif
1114             case RSVP_CTYPE_TUNNEL_IPV4:
1115                 if (obj_tlen < 8)
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+6));
1121                 obj_tlen-=8;
1122                 obj_tptr+=8;
1123                 break;
1124             default:
1125                 hexdump=TRUE;
1126             }
1127             break;
1128
1129         case RSVP_OBJ_FASTREROUTE:
1130             switch(rsvp_obj_ctype) {
1131             case RSVP_CTYPE_TUNNEL_IPV4:
1132                 if (obj_tlen < 16)
1133                     return-1;
1134                 bw.i = EXTRACT_32BITS(obj_tptr+4);
1135                 printf("%s  Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1136                        ident,
1137                        (int)*obj_tptr,
1138                        (int)*(obj_tptr+1),
1139                        (int)*(obj_tptr+2),
1140                         bw.f*8/1000000);
1141                 printf("%s  Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1142                        ident,
1143                        EXTRACT_32BITS(obj_tptr+8),
1144                        EXTRACT_32BITS(obj_tptr+12));
1145                 obj_tlen-=16;
1146                 obj_tptr+=16;
1147                 break;
1148             default:
1149                 hexdump=TRUE;
1150             }
1151             break;
1152
1153         case RSVP_OBJ_DETOUR:
1154             switch(rsvp_obj_ctype) {
1155             case RSVP_CTYPE_TUNNEL_IPV4:
1156                 while(obj_tlen >= 8) {
1157                     printf("%s  PLR-ID: %s, Avoid-Node-ID: %s",
1158                            ident,
1159                            ipaddr_string(obj_tptr),
1160                            ipaddr_string(obj_tptr+4));
1161                     obj_tlen-=8;
1162                     obj_tptr+=8;
1163                 }
1164                 break;
1165             default:
1166                 hexdump=TRUE;
1167             }
1168             break;
1169
1170         case RSVP_OBJ_CLASSTYPE:
1171             switch(rsvp_obj_ctype) {
1172             case RSVP_CTYPE_1:
1173                 printf("%s  Class Type: %u",
1174                        ident,
1175                        EXTRACT_32BITS(obj_tptr)&0x7);
1176                 obj_tlen-=4;
1177                 obj_tptr+=4;
1178                 break;
1179             default:
1180                 hexdump=TRUE;
1181             }
1182             break;
1183
1184         case RSVP_OBJ_ERROR_SPEC:
1185             switch(rsvp_obj_ctype) {
1186             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1187             case RSVP_CTYPE_IPV4:
1188                 if (obj_tlen < 8)
1189                     return-1;
1190                 error_code=*(obj_tptr+5);
1191                 error_value=EXTRACT_16BITS(obj_tptr+6);
1192                 printf("%s  Error Node Address: %s, Flags: [0x%02x]%s  Error Code: %s (%u)",
1193                        ident,
1194                        ipaddr_string(obj_tptr),
1195                        *(obj_tptr+4),
1196                        ident,
1197                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1198                        error_code);
1199                 switch (error_code) {
1200                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1201                     printf(", Error Value: %s (%u)",
1202                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1203                            error_value);
1204                     break;
1205                 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE:
1206                     printf(", Error Value: %s (%u)",
1207                            tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1208                            error_value);
1209                     break;
1210                 default:
1211                     printf(", Unknown Error Value (%u)", error_value);
1212                     break;
1213                 }
1214                 obj_tlen-=8;
1215                 obj_tptr+=8;
1216                 break;
1217 #ifdef INET6
1218             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1219             case RSVP_CTYPE_IPV6:
1220                 if (obj_tlen < 20)
1221                     return-1;
1222                 error_code=*(obj_tptr+17);
1223                 error_value=EXTRACT_16BITS(obj_tptr+18);
1224                 printf("%s  Error Node Address: %s, Flags: [0x%02x]%s  Error Code: %s (%u)",
1225                        ident,
1226                        ip6addr_string(obj_tptr),
1227                        *(obj_tptr+16),
1228                        ident,
1229                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1230                        error_code);
1231
1232                 switch (error_code) {
1233                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1234                     printf(", Error Value: %s (%u)",
1235                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1236                            error_value);
1237                     break;
1238                 default:
1239                     break;
1240                 }
1241                 obj_tlen-=20;
1242                 obj_tptr+=20;
1243                 break;
1244 #endif
1245             default:
1246                 hexdump=TRUE;
1247             }
1248             break;
1249
1250         case RSVP_OBJ_PROPERTIES:
1251             switch(rsvp_obj_ctype) {
1252             case RSVP_CTYPE_1:
1253                 if (obj_tlen < 4)
1254                     return-1;
1255                 padbytes = EXTRACT_16BITS(obj_tptr+2);
1256                 printf("%s  TLV count: %u, padding bytes: %u",
1257                        ident,
1258                        EXTRACT_16BITS(obj_tptr),
1259                        padbytes);
1260                 obj_tlen-=4;
1261                 obj_tptr+=4;
1262                 /* loop through as long there is anything longer than the TLV header (2) */
1263                 while(obj_tlen >= 2 + padbytes) {
1264                     printf("%s    %s TLV (0x%02x), length: %u", /* length includes header */
1265                            ident,
1266                            tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1267                            *obj_tptr,
1268                            *(obj_tptr+1));
1269                     if (obj_tlen < *(obj_tptr+1))
1270                         return-1;
1271                     print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1272                     obj_tlen-=*(obj_tptr+1);
1273                     obj_tptr+=*(obj_tptr+1);
1274                 }
1275                 break;
1276             default:
1277                 hexdump=TRUE;
1278             }
1279             break;
1280
1281         case RSVP_OBJ_MESSAGE_ID:     /* fall through */
1282         case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1283         case RSVP_OBJ_MESSAGE_ID_LIST:
1284             switch(rsvp_obj_ctype) {
1285             case RSVP_CTYPE_1:
1286                 if (obj_tlen < 8)
1287                     return-1;
1288                 printf("%s  Flags [0x%02x], epoch: %u",
1289                        ident,
1290                        *obj_tptr,
1291                        EXTRACT_24BITS(obj_tptr+1));
1292                 obj_tlen-=4;
1293                 obj_tptr+=4;
1294                 /* loop through as long there are no messages left */
1295                 while(obj_tlen >= 4) {
1296                     printf("%s    Message-ID 0x%08x (%u)",
1297                            ident,
1298                            EXTRACT_32BITS(obj_tptr),
1299                            EXTRACT_32BITS(obj_tptr));
1300                     obj_tlen-=4;
1301                     obj_tptr+=4;
1302                 }
1303                 break;
1304             default:
1305                 hexdump=TRUE;
1306             }
1307             break;
1308
1309         /*
1310          *  FIXME those are the defined objects that lack a decoder
1311          *  you are welcome to contribute code ;-)
1312          */
1313
1314         case RSVP_OBJ_INTEGRITY:
1315         case RSVP_OBJ_SCOPE:
1316         case RSVP_OBJ_POLICY_DATA:
1317         case RSVP_OBJ_LABEL_SET:
1318         case RSVP_OBJ_ACCEPT_LABEL_SET:
1319         case RSVP_OBJ_PROTECTION:
1320         default:
1321             if (vflag <= 1)
1322                 print_unknown_data(obj_tptr,"\n\t    ",obj_tlen); /* FIXME indentation */
1323             break;
1324         }
1325         /* do we also want to see a hex dump ? */
1326         if (vflag > 1 || hexdump==TRUE)
1327             print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t    ", /* FIXME indentation */
1328                                rsvp_obj_len-sizeof(struct rsvp_object_header));
1329
1330         tptr+=rsvp_obj_len;
1331         tlen-=rsvp_obj_len;
1332     }
1333     return 0;
1334 trunc:
1335     printf("\n\t\t packet exceeded snapshot");
1336     return -1;
1337 }
1338
1339
1340 void
1341 rsvp_print(register const u_char *pptr, register u_int len) {
1342
1343     const struct rsvp_common_header *rsvp_com_header;
1344     const u_char *tptr,*subtptr;
1345     u_short tlen,subtlen;
1346
1347     tptr=pptr;
1348
1349     rsvp_com_header = (const struct rsvp_common_header *)pptr;
1350     TCHECK(*rsvp_com_header);
1351
1352     /*
1353      * Sanity checking of the header.
1354      */
1355     if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1356         printf("ERROR: RSVP version %u packet not supported",
1357                RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1358         return;
1359     }
1360
1361     /* in non-verbose mode just lets print the basic Message Type*/
1362     if (vflag < 1) {
1363         printf("RSVPv%u %s Message, length: %u",
1364                RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1365                tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1366                len);
1367         return;
1368     }
1369
1370     /* ok they seem to want to know everything - lets fully decode it */
1371
1372     tlen=EXTRACT_16BITS(rsvp_com_header->length);
1373
1374     printf("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1375            RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1376            tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1377            rsvp_com_header->msg_type,
1378            bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1379            tlen,
1380            rsvp_com_header->ttl,
1381            EXTRACT_16BITS(rsvp_com_header->checksum));
1382
1383     if (tlen < sizeof(const struct rsvp_common_header)) {
1384         printf("ERROR: common header too short %u < %lu", tlen,
1385                (unsigned long)sizeof(const struct rsvp_common_header));
1386         return;
1387     }
1388
1389     tptr+=sizeof(const struct rsvp_common_header);
1390     tlen-=sizeof(const struct rsvp_common_header);
1391
1392     switch(rsvp_com_header->msg_type) {
1393
1394     case RSVP_MSGTYPE_AGGREGATE:
1395         while(tlen > 0) {
1396             subtptr=tptr;
1397             rsvp_com_header = (const struct rsvp_common_header *)subtptr;
1398             TCHECK(*rsvp_com_header);
1399
1400             /*
1401              * Sanity checking of the header.
1402              */
1403             if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1404                 printf("ERROR: RSVP version %u packet not supported",
1405                        RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
1406                 return;
1407             }
1408             subtlen=EXTRACT_16BITS(rsvp_com_header->length);
1409
1410             printf("\n\t  RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1411                    RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1412                    tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1413                    rsvp_com_header->msg_type,
1414                    bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1415                    subtlen,
1416                    rsvp_com_header->ttl,
1417                    EXTRACT_16BITS(rsvp_com_header->checksum));
1418
1419             if (subtlen < sizeof(const struct rsvp_common_header)) {
1420                 printf("ERROR: common header too short %u < %lu", subtlen,
1421                        (unsigned long)sizeof(const struct rsvp_common_header));
1422                 return;
1423             }
1424
1425             subtptr+=sizeof(const struct rsvp_common_header);
1426             subtlen-=sizeof(const struct rsvp_common_header);
1427
1428             if (rsvp_obj_print(subtptr,"\n\t    ", subtlen) == -1)
1429                 return;
1430
1431             tptr+=subtlen+sizeof(const struct rsvp_common_header);
1432             tlen-=subtlen+sizeof(const struct rsvp_common_header);
1433         }
1434
1435         break;
1436
1437     case RSVP_MSGTYPE_PATH:
1438     case RSVP_MSGTYPE_RESV:
1439     case RSVP_MSGTYPE_PATHERR:
1440     case RSVP_MSGTYPE_RESVERR:
1441     case RSVP_MSGTYPE_PATHTEAR:
1442     case RSVP_MSGTYPE_RESVTEAR:
1443     case RSVP_MSGTYPE_RESVCONF:
1444     case RSVP_MSGTYPE_HELLO_OLD:
1445     case RSVP_MSGTYPE_HELLO:
1446     case RSVP_MSGTYPE_ACK:
1447     case RSVP_MSGTYPE_SREFRESH:
1448         if (rsvp_obj_print(tptr,"\n\t  ", tlen) == -1)
1449             return;
1450         break;
1451
1452     default:
1453         print_unknown_data(tptr,"\n\t    ",tlen);
1454         break;
1455     }
1456
1457     return;
1458 trunc:
1459     printf("\n\t\t packet exceeded snapshot");
1460 }