contrib/tcpdump-3.8.3/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 1.24.2.3 2004/03/24 04:01:08 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_SUGGESTED_LABEL    129 /* rfc3473 */
 144 #define RSVP_OBJ_ACCEPT_LABEL_SET   130 /* rfc3473 */
 145 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
 146 #define RSVP_OBJ_NOTIFY_REQ         195 /* rfc3473 */
 147 #define RSVP_OBJ_ADMIN_STATUS       196 /* rfc3473 */
 148 #define RSVP_OBJ_PROPERTIES         204 /* juniper proprietary */
 149 #define RSVP_OBJ_FASTREROUTE        205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */
 150 #define RSVP_OBJ_SESSION_ATTRIBUTE  207 /* rfc3209 */
 151 #define RSVP_OBJ_CALL_ID            230 /* rfc3474 */
 152 #define RSVP_OBJ_CALL_OPS           236 /* rfc3474 */
 153
 154 static const struct tok rsvp_obj_values[] = {
 155     { RSVP_OBJ_SESSION,            "Session" },
 156     { RSVP_OBJ_RSVP_HOP,           "RSVP Hop" },
 157     { RSVP_OBJ_INTEGRITY,          "Integrity" },
 158     { RSVP_OBJ_TIME_VALUES,        "Time Values" },
 159     { RSVP_OBJ_ERROR_SPEC,         "Error Spec" },
 160     { RSVP_OBJ_SCOPE,              "Scope" },
 161     { RSVP_OBJ_STYLE,              "Style" },
 162     { RSVP_OBJ_FLOWSPEC,           "Flowspec" },
 163     { RSVP_OBJ_FILTERSPEC,         "FilterSpec" },
 164     { RSVP_OBJ_SENDER_TEMPLATE,    "Sender Template" },
 165     { RSVP_OBJ_SENDER_TSPEC,       "Sender TSpec" },
 166     { RSVP_OBJ_ADSPEC,             "Adspec" },
 167     { RSVP_OBJ_POLICY_DATA,        "Policy Data" },
 168     { RSVP_OBJ_CONFIRM,            "Confirm" },
 169     { RSVP_OBJ_LABEL,              "Label" },
 170     { RSVP_OBJ_LABEL_REQ,          "Label Request" },
 171     { RSVP_OBJ_ERO,                "ERO" },
 172     { RSVP_OBJ_RRO,                "RRO" },
 173     { RSVP_OBJ_HELLO,              "Hello" },
 174     { RSVP_OBJ_MESSAGE_ID,         "Message ID" },
 175     { RSVP_OBJ_MESSAGE_ID_ACK,     "Message ID Ack" },
 176     { RSVP_OBJ_MESSAGE_ID_LIST,    "Message ID List" },
 177     { RSVP_OBJ_RECOVERY_LABEL,     "Recovery Label" },
 178     { RSVP_OBJ_UPSTREAM_LABEL,     "Upstream Label" },
 179     { RSVP_OBJ_LABEL_SET,          "Label Set" },
 180     { RSVP_OBJ_ACCEPT_LABEL_SET,   "Acceptable Label Set" },
 181     { RSVP_OBJ_DETOUR,             "Detour" },
 182     { RSVP_OBJ_SUGGESTED_LABEL,    "Suggested Label" },
 183     { RSVP_OBJ_PROPERTIES,         "Properties" },
 184     { RSVP_OBJ_FASTREROUTE,        "Fast Re-Route" },
 185     { RSVP_OBJ_SESSION_ATTRIBUTE,  "Session Attribute" },
 186     { RSVP_OBJ_CALL_ID,            "Call-ID" },
 187     { RSVP_OBJ_CALL_OPS,           "Call Capability" },
 188     { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
 189     { RSVP_OBJ_NOTIFY_REQ,         "Notify Request" },
 190     { RSVP_OBJ_PROTECTION,         "Protection" },
 191     { RSVP_OBJ_ADMIN_STATUS,       "Administrative Status" },
 192     { 0, NULL}
 193 };
 194
 195 #define RSVP_CTYPE_IPV4        1
 196 #define RSVP_CTYPE_IPV6        2
 197 #define RSVP_CTYPE_TUNNEL_IPV4 7
 198 #define RSVP_CTYPE_TUNNEL_IPV6 8
 199 #define RSVP_CTYPE_1           1
 200 #define RSVP_CTYPE_2           2
 201 #define RSVP_CTYPE_3           3
 202 #define RSVP_CTYPE_4           4
 203
 204 /*
 205  * the ctypes are not globally unique so for
 206  * translating it to strings we build a table based
 207  * on objects offsetted by the ctype
 208  */
 209
 210 static const struct tok rsvp_ctype_values[] = {
 211     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4,                 "IPv4" },
 212     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6,                 "IPv6" },
 213     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3,                    "IPv4 plus opt. TLVs" },
 214     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4,                    "IPv6 plus opt. TLVs" },
 215     { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4,               "IPv4" },
 216     { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6,               "IPv6" },
 217     { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4,                  "IPv4" },
 218     { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6,                  "IPv6" },
 219     { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1,                 "1" },
 220     { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1,                    "obsolete" },
 221     { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2,                    "IntServ" },
 222     { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2,                "IntServ" },
 223     { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2,                      "IntServ" },
 224     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4,               "IPv4" },
 225     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6,               "IPv6" },
 226     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3,                  "IPv6 Flow-label" },
 227     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4,        "Tunnel IPv4" },
 228     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4,                  "IPv4" },
 229     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6,                  "IPv6" },
 230     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4,           "Tunnel IPv4" },
 231     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4,          "IPv4" },
 232     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6,          "IPv6" },
 233     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4,   "Tunnel IPv4" },
 234     { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1,                       "1" },
 235     { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1,                       "Hello Request" },
 236     { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2,                       "Hello Ack" },
 237     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1,                   "without label range" },
 238     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2,                   "with ATM label range" },
 239     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3,                   "with FR label range" },
 240     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4,                   "Generalized Label" },
 241     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1,                       "Label" },
 242     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2,                       "Generalized Label" },
 243     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3,                       "Waveband Switching" },
 244     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1,             "Label" },
 245     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2,             "Generalized Label" },
 246     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3,             "Waveband Switching" },
 247     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1,              "Label" },
 248     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2,              "Generalized Label" },
 249     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3,              "Waveband Switching" },
 250     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1,              "Label" },
 251     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2,              "Generalized Label" },
 252     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3,              "Waveband Switching" },
 253     { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4,                      "IPv4" },
 254     { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4,                      "IPv4" },
 255     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4,               "IPv4" },
 256     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6,               "IPv6" },
 257     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3,                  "IPv4 plus opt. TLVs" },
 258     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4,                  "IPv6 plus opt. TLVs" },
 259     { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1,          "IPv4" },
 260     { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
 261     { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4,       "Tunnel IPv4" },
 262     { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4,            "Tunnel IPv4" },
 263     { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1,                  "1" },
 264     { 0, NULL}
 265 };
 266
 267 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x)   ((x)&0x7f)
 268 #define RSVP_OBJ_XRO_MASK_LOOSE(x)    ((x)&0x80)
 269
 270 #define RSVP_OBJ_XRO_RES       0
 271 #define RSVP_OBJ_XRO_IPV4      1
 272 #define RSVP_OBJ_XRO_IPV6      2
 273 #define RSVP_OBJ_XRO_ASN       32
 274 #define RSVP_OBJ_XRO_MPLS      64
 275
 276 static const struct tok rsvp_obj_xro_values[] = {
 277     { RSVP_OBJ_XRO_RES,       "Reserved" },
 278     { RSVP_OBJ_XRO_IPV4,      "IPv4 prefix" },
 279     { RSVP_OBJ_XRO_IPV6,      "IPv6 prefix" },
 280     { RSVP_OBJ_XRO_ASN,       "Autonomous system number" },
 281     { RSVP_OBJ_XRO_MPLS,      "MPLS label switched path termination" },
 282     { 0, NULL}
 283 };
 284
 285 /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
 286 static const struct tok rsvp_obj_rro_flag_values[] = {
 287     { 0x01,                   "Local protection available" },
 288     { 0x02,                   "Local protection in use" },
 289     { 0x04,                   "Bandwidth protection" },
 290     { 0x08,                   "Node protection" },
 291     { 0, NULL}
 292 };
 293
 294 static const struct tok rsvp_resstyle_values[] = {
 295     { 17,                     "Wildcard Filter" },
 296     { 10,                     "Fixed Filter" },
 297     { 18,                     "Shared Explicit" },
 298     { 0, NULL}
 299 };
 300
 301 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
 302 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
 303
 304 static const struct tok rsvp_intserv_service_type_values[] = {
 305     { 1,                                "Default/Global Information" },
 306     { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
 307     { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
 308     { 0, NULL}
 309 };
 310
 311 static const struct tok rsvp_intserv_parameter_id_values[] = {
 312     { 4,                     "IS hop cnt" },
 313     { 6,                     "Path b/w estimate" },
 314     { 8,                     "Minimum path latency" },
 315     { 10,                    "Composed MTU" },
 316     { 127,                   "Token Bucket TSpec" },
 317     { 130,                   "Guaranteed Service RSpec" },
 318     { 133,                   "End-to-end composed value for C" },
 319     { 134,                   "End-to-end composed value for D" },
 320     { 135,                   "Since-last-reshaping point composed C" },
 321     { 136,                   "Since-last-reshaping point composed D" },
 322     { 0, NULL}
 323 };
 324
 325 static struct tok rsvp_session_attribute_flag_values[] = {
 326     { 0x01,                   "Local Protection desired" },
 327     { 0x02,                   "Label Recording desired" },
 328     { 0x04,                   "SE Style desired" },
 329     { 0x08,                   "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
 330     { 0x10,                   "Node protection desired" },      /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */
 331     { 0, NULL}
 332 };
 333
 334 static struct tok rsvp_obj_prop_tlv_values[] = {
 335     { 0x01,                   "Cos" },
 336     { 0x02,                   "Metric 1" },
 337     { 0x04,                   "Metric 2" },
 338     { 0x08,                   "CCC Status" },
 339     { 0x10,                   "Path Type" },
 340     { 0, NULL}
 341 };
 342
 343 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
 344 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY  25
 345
 346 static struct tok rsvp_obj_error_code_values[] = {
 347     { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
 348     { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY,  "Notify Error" },
 349     { 0, NULL}
 350 };
 351
 352 static struct tok rsvp_obj_error_code_routing_values[] = {
 353     { 1,                      "Bad EXPLICIT_ROUTE object" },
 354     { 2,                      "Bad strict node" },
 355     { 3,                      "Bad loose node" },
 356     { 4,                      "Bad initial subobject" },
 357     { 5,                      "No route available toward destination" },
 358     { 6,                      "Unacceptable label value" },
 359     { 7,                      "RRO indicated routing loops" },
 360     { 8,                      "non-RSVP-capable router in the path" },
 361     { 9,                      "MPLS label allocation failure" },
 362     { 10,                     "Unsupported L3PID" },
 363     { 0, NULL}
 364 };
 365
 366 #define FALSE 0
 367 #define TRUE  1
 368
 369
 370 static int rsvp_intserv_print(const u_char *, u_short);
 371
 372 /*
 373  * this is a dissector for all the intserv defined
 374  * specs as defined per rfc2215
 375  * it is called from various rsvp objects;
 376  * returns the amount of bytes being processed
 377  */
 378 static int
 379 rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) {
 380
 381     int parameter_id,parameter_length;
 382     union {
 383         float f;
 384         u_int32_t i;
 385     } bw;
 386
 387     if (obj_tlen < 4)
 388         return 0;
 389     parameter_id = *(tptr);
 390     parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
 391
 392     printf("\n\t      Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
 393            tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
 394            parameter_id,
 395            parameter_length,
 396            *(tptr+1));
 397
 398     if (obj_tlen < parameter_length+4)
 399         return 0;
 400     switch(parameter_id) { /* parameter_id */
 401
 402     case 4:
 403        /*
 404         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 405         * |    4 (e)      |    (f)        |           1 (g)               |
 406         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 407         * |        IS hop cnt (32-bit unsigned integer)                   |
 408         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 409         */
 410         if (parameter_length == 4)
 411             printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr+4));
 412         break;
 413
 414     case 6:
 415        /*
 416         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 417         * |    6 (h)      |    (i)        |           1 (j)               |
 418         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 419         * |  Path b/w estimate  (32-bit IEEE floating point number)       |
 420         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 421         */
 422         if (parameter_length == 4) {
 423             bw.i = EXTRACT_32BITS(tptr+4);
 424             printf("\n\t\tPath b/w estimate: %.10g Mbps", bw.f/125000);
 425         }
 426         break;
 427
 428     case 8:
 429        /*
 430         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 431         * |     8 (k)     |    (l)        |           1 (m)               |
 432         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 433         * |        Minimum path latency (32-bit integer)                  |
 434         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 435         */
 436         if (parameter_length == 4) {
 437             printf("\n\t\tMinimum path latency: ");
 438             if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
 439                 printf("don't care");
 440             else
 441                 printf("%u", EXTRACT_32BITS(tptr+4));
 442         }
 443         break;
 444
 445     case 10:
 446
 447        /*
 448         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 449         * |     10 (n)    |      (o)      |           1 (p)               |
 450         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 451         * |      Composed MTU (32-bit unsigned integer)                   |
 452         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 453         */
 454         if (parameter_length == 4)
 455             printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr+4));
 456         break;
 457     case 127:
 458        /*
 459         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 460         * |   127 (e)     |    0 (f)      |             5 (g)             |
 461         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 462         * |  Token Bucket Rate [r] (32-bit IEEE floating point number)    |
 463         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 464         * |  Token Bucket Size [b] (32-bit IEEE floating point number)    |
 465         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 466         * |  Peak Data Rate [p] (32-bit IEEE floating point number)       |
 467         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 468         * |  Minimum Policed Unit [m] (32-bit integer)                    |
 469         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 470         * |  Maximum Packet Size [M]  (32-bit integer)                    |
 471         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 472         */
 473
 474         if (parameter_length == 20) {
 475             bw.i = EXTRACT_32BITS(tptr+4);
 476             printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000);
 477             bw.i = EXTRACT_32BITS(tptr+8);
 478             printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
 479             bw.i = EXTRACT_32BITS(tptr+12);
 480             printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000);
 481             printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16));
 482             printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr+20));
 483         }
 484         break;
 485
 486     case 130:
 487        /*
 488         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 489         * |     130 (h)   |    0 (i)      |            2 (j)              |
 490         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 491         * |  Rate [R]  (32-bit IEEE floating point number)                |
 492         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 493         * |  Slack Term [S]  (32-bit integer)                             |
 494         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 495         */
 496
 497         if (parameter_length == 8) {
 498             bw.i = EXTRACT_32BITS(tptr+4);
 499             printf("\n\t\tRate: %.10g Mbps", bw.f/125000);
 500             printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8));
 501         }
 502         break;
 503
 504     case 133:
 505     case 134:
 506     case 135:
 507     case 136:
 508         if (parameter_length == 4)
 509             printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4));
 510         break;
 511
 512     default:
 513         if (vflag <= 1)
 514             print_unknown_data(tptr+4,"\n\t\t",parameter_length);
 515     }
 516     return (parameter_length+4); /* header length 4 bytes */
 517 }
 518
 519 void
 520 rsvp_print(register const u_char *pptr, register u_int len) {
 521
 522     const struct rsvp_common_header *rsvp_com_header;
 523     const struct rsvp_object_header *rsvp_obj_header;
 524     const u_char *tptr,*obj_tptr;
 525     u_short tlen,rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
 526     int hexdump,processed,padbytes,error_code,error_value;
 527     union {
 528         float f;
 529         u_int32_t i;
 530     } bw;
 531     u_int8_t namelen;
 532     u_int i;
 533
 534     tptr=pptr;
 535     rsvp_com_header = (const struct rsvp_common_header *)pptr;
 536     TCHECK(*rsvp_com_header);
 537
 538     /*
 539      * Sanity checking of the header.
 540      */
 541     if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
 542         printf("RSVP version %u packet not supported",
 543                RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags));
 544         return;
 545     }
 546
 547     /* in non-verbose mode just lets print the basic Message Type*/
 548     if (vflag < 1) {
 549         printf("RSVP %s Message, length: %u",
 550                tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
 551                len);
 552         return;
 553     }
 554
 555     /* ok they seem to want to know everything - lets fully decode it */
 556
 557     tlen=EXTRACT_16BITS(rsvp_com_header->length);
 558
 559     printf("RSVP\n\tv: %u, msg-type: %s, Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
 560            RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
 561            tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
 562            bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
 563            tlen,
 564            rsvp_com_header->ttl,
 565            EXTRACT_16BITS(rsvp_com_header->checksum));
 566
 567     if (tlen < sizeof(const struct rsvp_common_header))
 568         return;
 569     tptr+=sizeof(const struct rsvp_common_header);
 570     tlen-=sizeof(const struct rsvp_common_header);
 571
 572     while(tlen>0) {
 573         /* did we capture enough for fully decoding the object header ? */
 574         if (!TTEST2(*tptr, sizeof(struct rsvp_object_header)))
 575             goto trunc;
 576
 577         rsvp_obj_header = (const struct rsvp_object_header *)tptr;
 578         rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
 579         rsvp_obj_ctype=rsvp_obj_header->ctype;
 580
 581         if(rsvp_obj_len % 4 || rsvp_obj_len < sizeof(struct rsvp_object_header))
 582             return;
 583
 584         printf("\n\t  %s Object (%u) Flags: [%s",
 585                tok2str(rsvp_obj_values,
 586                        "Unknown",
 587                        rsvp_obj_header->class_num),
 588                rsvp_obj_header->class_num,
 589                ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject");
 590
 591         if (rsvp_obj_header->class_num > 128)
 592             printf(" %s",
 593                    ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently");
 594
 595         printf(" if unknown], Class-Type: %s (%u), length: %u",
 596                tok2str(rsvp_ctype_values,
 597                        "Unknown",
 598                        ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
 599                rsvp_obj_ctype,
 600                rsvp_obj_len);
 601
 602         obj_tptr=tptr+sizeof(struct rsvp_object_header);
 603         obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
 604
 605         /* did we capture enough for fully decoding the object ? */
 606         if (!TTEST2(*tptr, rsvp_obj_len))
 607             goto trunc;
 608         hexdump=FALSE;
 609
 610         switch(rsvp_obj_header->class_num) {
 611         case RSVP_OBJ_SESSION:
 612             switch(rsvp_obj_ctype) {
 613             case RSVP_CTYPE_IPV4:
 614                 if (obj_tlen < 8)
 615                     return;
 616                 printf("\n\t    IPv4 DestAddress: %s, Protocol ID: 0x%02x",
 617                        ipaddr_string(obj_tptr),
 618                        *(obj_tptr+4));
 619                 printf("\n\t    Flags: [0x%02x], DestPort %u",
 620                        *(obj_tptr+5),
 621                        EXTRACT_16BITS(obj_tptr+6));
 622                 obj_tlen-=8;
 623                 obj_tptr+=8;
 624                 break;
 625 #ifdef INET6
 626             case RSVP_CTYPE_IPV6:
 627                 if (obj_tlen < 20)
 628                     return;
 629                 printf("\n\t    IPv6 DestAddress: %s, Protocol ID: 0x%02x",
 630                        ip6addr_string(obj_tptr),
 631                        *(obj_tptr+16));
 632                 printf("\n\t    Flags: [0x%02x], DestPort %u",
 633                        *(obj_tptr+17),
 634                        EXTRACT_16BITS(obj_tptr+18));
 635                 obj_tlen-=20;
 636                 obj_tptr+=20;
 637                 break;
 638
 639             case RSVP_CTYPE_TUNNEL_IPV6:
 640                 if (obj_tlen < 36)
 641                     return;
 642                 printf("\n\t    IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 643                        ip6addr_string(obj_tptr),
 644                        EXTRACT_16BITS(obj_tptr+18),
 645                        ip6addr_string(obj_tptr+20));
 646                 obj_tlen-=36;
 647                 obj_tptr+=36;
 648                 break;
 649 #endif
 650             case RSVP_CTYPE_TUNNEL_IPV4:
 651                 if (obj_tlen < 12)
 652                     return;
 653                 printf("\n\t    IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 654                        ipaddr_string(obj_tptr),
 655                        EXTRACT_16BITS(obj_tptr+6),
 656                        ipaddr_string(obj_tptr+8));
 657                 obj_tlen-=12;
 658                 obj_tptr+=12;
 659                 break;
 660             default:
 661                 hexdump=TRUE;
 662             }
 663             break;
 664
 665         case RSVP_OBJ_CONFIRM:
 666             switch(rsvp_obj_ctype) {
 667             case RSVP_CTYPE_IPV4:
 668                 if (obj_tlen < 4)
 669                     return;
 670                 printf("\n\t    IPv4 Receiver Address: %s",
 671                        ipaddr_string(obj_tptr));
 672                 obj_tlen-=4;
 673                 obj_tptr+=4;
 674                 break;
 675 #ifdef INET6
 676             case RSVP_CTYPE_IPV6:
 677                 if (obj_tlen < 16)
 678                     return;
 679                 printf("\n\t    IPv6 Receiver Address: %s",
 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;
 695                 printf("\n\t    IPv4 Notify Node Address: %s",
 696                        ipaddr_string(obj_tptr));
 697                 obj_tlen-=4;
 698                 obj_tptr+=4;
 699                 break;
 700 #ifdef INET6
 701             case RSVP_CTYPE_IPV6:
 702                 if (obj_tlen < 16)
 703                     return;
 704                 printf("\n\t    IPv6 Notify Node Address: %s",
 705                        ip6addr_string(obj_tptr));
 706                 obj_tlen-=16;
 707                 obj_tptr+=16;
 708                 break;
 709 #endif
 710             default:
 711                 hexdump=TRUE;
 712             }
 713             break;
 714
 715         case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
 716         case RSVP_OBJ_UPSTREAM_LABEL:  /* fall through */
 717         case RSVP_OBJ_RECOVERY_LABEL:  /* fall through */
 718         case RSVP_OBJ_LABEL:
 719             switch(rsvp_obj_ctype) {
 720             case RSVP_CTYPE_1:
 721                 while(obj_tlen >= 4 ) {
 722                     printf("\n\t    Label: %u", EXTRACT_32BITS(obj_tptr));
 723                     obj_tlen-=4;
 724                     obj_tptr+=4;
 725                 }
 726                 break;
 727             case RSVP_CTYPE_2:
 728                 if (obj_tlen < 4)
 729                     return;
 730                 printf("\n\t    Generalized Label: %u",
 731                        EXTRACT_32BITS(obj_tptr));
 732                 obj_tlen-=4;
 733                 obj_tptr+=4;
 734                 break;
 735             case RSVP_CTYPE_3:
 736                 if (obj_tlen < 12)
 737                     return;
 738                 printf("\n\t    Waveband ID: %u\n\t    Start Label: %u, Stop Label: %u",
 739                        EXTRACT_32BITS(obj_tptr),
 740                        EXTRACT_32BITS(obj_tptr+4),
 741                        EXTRACT_32BITS(obj_tptr+8));
 742                 obj_tlen-=12;
 743                 obj_tptr+=12;
 744                 break;
 745             default:
 746                 hexdump=TRUE;
 747             }
 748             break;
 749
 750         case RSVP_OBJ_STYLE:
 751             switch(rsvp_obj_ctype) {
 752             case RSVP_CTYPE_1:
 753                 if (obj_tlen < 4)
 754                     return;
 755                 printf("\n\t    Reservation Style: %s, Flags: [0x%02x]",
 756                        tok2str(rsvp_resstyle_values,
 757                                "Unknown",
 758                                EXTRACT_24BITS(obj_tptr+1)),
 759                        *(obj_tptr));
 760                 obj_tlen-=4;
 761                 obj_tptr+=4;
 762                 break;
 763             default:
 764                 hexdump=TRUE;
 765             }
 766             break;
 767
 768         case RSVP_OBJ_SENDER_TEMPLATE:
 769             switch(rsvp_obj_ctype) {
 770             case RSVP_CTYPE_IPV4:
 771                 if (obj_tlen < 8)
 772                     return;
 773                 printf("\n\t    Source Address: %s, Source Port: %u",
 774                        ipaddr_string(obj_tptr),
 775                        EXTRACT_16BITS(obj_tptr+6));
 776                 obj_tlen-=8;
 777                 obj_tptr+=8;
 778                 break;
 779 #ifdef INET6
 780             case RSVP_CTYPE_IPV6:
 781                 if (obj_tlen < 20)
 782                     return;
 783                 printf("\n\t    Source Address: %s, Source Port: %u",
 784                        ip6addr_string(obj_tptr),
 785                        EXTRACT_16BITS(obj_tptr+18));
 786                 obj_tlen-=20;
 787                 obj_tptr+=20;
 788                 break;
 789 #endif
 790             case RSVP_CTYPE_TUNNEL_IPV4:
 791                 if (obj_tlen < 8)
 792                     return;
 793                 printf("\n\t    IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
 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("\n\t    L3 Protocol ID: %s",
 809                            tok2str(ethertype_values,
 810                                    "Unknown Protocol (0x%04x)",
 811                                    EXTRACT_16BITS(obj_tptr+2)));
 812                     obj_tlen-=4;
 813                     obj_tptr+=4;
 814                 }
 815                 break;
 816             case RSVP_CTYPE_2:
 817                 if (obj_tlen < 12)
 818                     return;
 819                 printf("\n\t    L3 Protocol ID: %s",
 820                        tok2str(ethertype_values,
 821                                "Unknown Protocol (0x%04x)",
 822                                EXTRACT_16BITS(obj_tptr+2)));
 823                 printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" );
 824                 printf("\n\t    Minimum VPI/VCI: %u/%u",
 825                        (EXTRACT_16BITS(obj_tptr+4))&0xfff,
 826                        (EXTRACT_16BITS(obj_tptr+6))&0xfff);
 827                 printf("\n\t    Maximum VPI/VCI: %u/%u",
 828                        (EXTRACT_16BITS(obj_tptr+8))&0xfff,
 829                        (EXTRACT_16BITS(obj_tptr+10))&0xfff);
 830                 obj_tlen-=12;
 831                 obj_tptr+=12;
 832                 break;
 833             case RSVP_CTYPE_3:
 834                 if (obj_tlen < 12)
 835                     return;
 836                 printf("\n\t    L3 Protocol ID: %s",
 837                        tok2str(ethertype_values,
 838                                "Unknown Protocol (0x%04x)",
 839                                EXTRACT_16BITS(obj_tptr+2)));
 840                 printf("\n\t    Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
 841                        (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
 842                        (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
 843                        (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
 844                        (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : "");
 845                 obj_tlen-=12;
 846                 obj_tptr+=12;
 847                 break;
 848             case RSVP_CTYPE_4:
 849                 if (obj_tlen < 8)
 850                     return;
 851                 printf("\n\t    LSP Encoding Type: %s (%u)",
 852                        tok2str(gmpls_encoding_values,
 853                                "Unknown",
 854                                *obj_tptr),
 855                        *obj_tptr);
 856                 printf("\n\t    Switching Type: %s (%u), Payload ID: %s (0x%04x)",
 857                        tok2str(gmpls_switch_cap_values,
 858                                "Unknown",
 859                                *(obj_tptr+1)),
 860                        *(obj_tptr+1),
 861                        tok2str(gmpls_payload_values,
 862                                "Unknown",
 863                                EXTRACT_16BITS(obj_tptr+2)),
 864                        EXTRACT_16BITS(obj_tptr+2));
 865                 obj_tlen-=8;
 866                 obj_tptr+=8;
 867                 break;
 868             default:
 869                 hexdump=TRUE;
 870             }
 871             break;
 872
 873         case RSVP_OBJ_RRO:
 874         case RSVP_OBJ_ERO:
 875             switch(rsvp_obj_ctype) {
 876             case RSVP_CTYPE_IPV4:
 877                 while(obj_tlen >= 4 ) {
 878                     printf("\n\t    Subobject Type: %s",
 879                            tok2str(rsvp_obj_xro_values,
 880                                    "Unknown %u",
 881                                    RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)));
 882                     switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
 883                     case RSVP_OBJ_XRO_IPV4:
 884                         printf(", %s, %s/%u, Flags: [%s]",
 885                                RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
 886                                ipaddr_string(obj_tptr+2),
 887                                *(obj_tptr+6),
 888                                bittok2str(rsvp_obj_rro_flag_values,
 889                                    "none",
 890                                    *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */
 891                     }
 892                     obj_tlen-=*(obj_tptr+1);
 893                     obj_tptr+=*(obj_tptr+1);
 894                 }
 895                 break;
 896             default:
 897                 hexdump=TRUE;
 898             }
 899             break;
 900
 901         case RSVP_OBJ_HELLO:
 902             switch(rsvp_obj_ctype) {
 903             case RSVP_CTYPE_1:
 904             case RSVP_CTYPE_2:
 905                 if (obj_tlen < 8)
 906                     return;
 907                 printf("\n\t    Source Instance: 0x%08x, Destination Instance: 0x%08x",
 908                        EXTRACT_32BITS(obj_tptr),
 909                        EXTRACT_32BITS(obj_tptr+4));
 910                 obj_tlen-=8;
 911                 obj_tptr+=8;
 912                 break;
 913             default:
 914                 hexdump=TRUE;
 915             }
 916             break;
 917
 918         case RSVP_OBJ_RESTART_CAPABILITY:
 919             switch(rsvp_obj_ctype) {
 920             case RSVP_CTYPE_1:
 921                 if (obj_tlen < 8)
 922                     return;
 923                 printf("\n\t    Restart  Time: %ums, Recovery Time: %ums",
 924                        EXTRACT_16BITS(obj_tptr),
 925                        EXTRACT_16BITS(obj_tptr+4));
 926                 obj_tlen-=8;
 927                 obj_tptr+=8;
 928                 break;
 929             default:
 930                 hexdump=TRUE;
 931             }
 932             break;
 933
 934         case RSVP_OBJ_SESSION_ATTRIBUTE:
 935             switch(rsvp_obj_ctype) {
 936             case RSVP_CTYPE_TUNNEL_IPV4:
 937                 if (obj_tlen < 4)
 938                     return;
 939                 namelen = *(obj_tptr+3);
 940                 if (obj_tlen < 4+namelen)
 941                     return;
 942                 printf("\n\t    Session Name: ");
 943                 for (i = 0; i < namelen; i++)
 944                     safeputchar(*(obj_tptr+4+i));
 945                 printf("\n\t    Setup Priority: %u, Holding Priority: %u, Flags: [%s]",
 946                        (int)*obj_tptr,
 947                        (int)*(obj_tptr+1),
 948                        tok2str(rsvp_session_attribute_flag_values,
 949                                   "none",
 950                                   *(obj_tptr+2)));
 951
 952                 obj_tlen-=4+*(obj_tptr+3);
 953                 obj_tptr+=4+*(obj_tptr+3);
 954                 break;
 955             default:
 956                 hexdump=TRUE;
 957             }
 958             break;
 959
 960         case RSVP_OBJ_RSVP_HOP:
 961             switch(rsvp_obj_ctype) {
 962             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
 963             case RSVP_CTYPE_IPV4:
 964                 if (obj_tlen < 8)
 965                     return;
 966                 printf("\n\t    Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
 967                        ipaddr_string(obj_tptr),
 968                        EXTRACT_32BITS(obj_tptr+4));
 969                 obj_tlen-=8;
 970                 obj_tptr+=8;
 971                 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
 972                 break;
 973 #ifdef INET6
 974             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
 975             case RSVP_CTYPE_IPV6:
 976                 if (obj_tlen < 20)
 977                     return;
 978                 printf("\n\t    Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
 979                        ip6addr_string(obj_tptr),
 980                        EXTRACT_32BITS(obj_tptr+16));
 981                 obj_tlen-=20;
 982                 obj_tptr+=20;
 983                 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
 984                 break;
 985 #endif
 986             default:
 987                 hexdump=TRUE;
 988             }
 989             break;
 990
 991         case RSVP_OBJ_TIME_VALUES:
 992             switch(rsvp_obj_ctype) {
 993             case RSVP_CTYPE_1:
 994                 if (obj_tlen < 4)
 995                     return;
 996                 printf("\n\t    Refresh Period: %ums",
 997                        EXTRACT_32BITS(obj_tptr));
 998                 obj_tlen-=4;
 999                 obj_tptr+=4;
1000                 break;
1001             default:
1002                 hexdump=TRUE;
1003             }
1004             break;
1005
1006         /* those three objects do share the same semantics */
1007         case RSVP_OBJ_SENDER_TSPEC:
1008         case RSVP_OBJ_ADSPEC:
1009         case RSVP_OBJ_FLOWSPEC:
1010             switch(rsvp_obj_ctype) {
1011             case RSVP_CTYPE_2:
1012                 if (obj_tlen < 4)
1013                     return;
1014                 printf("\n\t    Msg-Version: %u, length: %u",
1015                        (*obj_tptr & 0xf0) >> 4,
1016                        EXTRACT_16BITS(obj_tptr+2)<<2);
1017                 obj_tptr+=4; /* get to the start of the service header */
1018                 obj_tlen-=4;
1019
1020                 while (obj_tlen >= 4) {
1021                     intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1022                     printf("\n\t    Service Type: %s (%u), break bit %s set, Service length: %u",
1023                            tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1024                            *(obj_tptr),
1025                            (*(obj_tptr+1)&0x80) ? "" : "not",
1026                            intserv_serv_tlen);
1027
1028                     obj_tptr+=4; /* get to the start of the parameter list */
1029                     obj_tlen-=4;
1030
1031                     while (intserv_serv_tlen>=4) {
1032                         processed = rsvp_intserv_print(obj_tptr, obj_tlen);
1033                         if (processed == 0)
1034                             break;
1035                         obj_tlen-=processed;
1036                         intserv_serv_tlen-=processed;
1037                         obj_tptr+=processed;
1038                     }
1039                 }
1040                 break;
1041             default:
1042                 hexdump=TRUE;
1043             }
1044             break;
1045
1046         case RSVP_OBJ_FILTERSPEC:
1047             switch(rsvp_obj_ctype) {
1048             case RSVP_CTYPE_IPV4:
1049                 if (obj_tlen < 8)
1050                     return;
1051                 printf("\n\t    Source Address: %s, Source Port: %u",
1052                        ipaddr_string(obj_tptr),
1053                        EXTRACT_16BITS(obj_tptr+6));
1054                 obj_tlen-=8;
1055                 obj_tptr+=8;
1056                 break;
1057 #ifdef INET6
1058             case RSVP_CTYPE_IPV6:
1059                 if (obj_tlen < 20)
1060                     return;
1061                 printf("\n\t    Source Address: %s, Source Port: %u",
1062                        ip6addr_string(obj_tptr),
1063                        EXTRACT_16BITS(obj_tptr+18));
1064                 obj_tlen-=20;
1065                 obj_tptr+=20;
1066                 break;
1067             case RSVP_CTYPE_3:
1068                 if (obj_tlen < 20)
1069                     return;
1070                 printf("\n\t    Source Address: %s, Flow Label: %u",
1071                        ip6addr_string(obj_tptr),
1072                        EXTRACT_24BITS(obj_tptr+17));
1073                 obj_tlen-=20;
1074                 obj_tptr+=20;
1075                 break;
1076             case RSVP_CTYPE_TUNNEL_IPV6:
1077                 if (obj_tlen < 20)
1078                     return;
1079                 printf("\n\t    Source Address: %s, LSP-ID: 0x%04x",
1080                        ipaddr_string(obj_tptr),
1081                        EXTRACT_16BITS(obj_tptr+18));
1082                 obj_tlen-=20;
1083                 obj_tptr+=20;
1084                 break;
1085 #endif
1086             case RSVP_CTYPE_TUNNEL_IPV4:
1087                 if (obj_tlen < 8)
1088                     return;
1089                 printf("\n\t    Source Address: %s, LSP-ID: 0x%04x",
1090                        ipaddr_string(obj_tptr),
1091                        EXTRACT_16BITS(obj_tptr+6));
1092                 obj_tlen-=8;
1093                 obj_tptr+=8;
1094                 break;
1095             default:
1096                 hexdump=TRUE;
1097             }
1098             break;
1099
1100         case RSVP_OBJ_FASTREROUTE:
1101             switch(rsvp_obj_ctype) {
1102             case RSVP_CTYPE_TUNNEL_IPV4:
1103                 if (obj_tlen < 16)
1104                     return;
1105                 bw.i = EXTRACT_32BITS(obj_tptr+4);
1106                 printf("\n\t    Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1107                        (int)*obj_tptr,
1108                        (int)*(obj_tptr+1),
1109                        (int)*(obj_tptr+2),
1110                         bw.f*8/1000000);
1111                 printf("\n\t    Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1112                        EXTRACT_32BITS(obj_tptr+8),
1113                        EXTRACT_32BITS(obj_tptr+12));
1114                 obj_tlen-=16;
1115                 obj_tptr+=16;
1116                 break;
1117             default:
1118                 hexdump=TRUE;
1119             }
1120             break;
1121
1122         case RSVP_OBJ_DETOUR:
1123             switch(rsvp_obj_ctype) {
1124             case RSVP_CTYPE_TUNNEL_IPV4:
1125                 while(obj_tlen >= 8) {
1126                     printf("\n\t    PLR-ID: %s, Avoid-Node-ID: %s",
1127                            ipaddr_string(obj_tptr),
1128                            ipaddr_string(obj_tptr+4));
1129                     obj_tlen-=8;
1130                     obj_tptr+=8;
1131                 }
1132                 break;
1133             default:
1134                 hexdump=TRUE;
1135             }
1136             break;
1137
1138         case RSVP_OBJ_ERROR_SPEC:
1139             switch(rsvp_obj_ctype) {
1140             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1141             case RSVP_CTYPE_IPV4:
1142                 if (obj_tlen < 8)
1143                     return;
1144                 error_code=*(obj_tptr+5);
1145                 error_value=EXTRACT_16BITS(obj_tptr+6);
1146                 printf("\n\t    Error Node Adress: %s, Flags: [0x%02x]\n\t    Error Code: %s (%u)",
1147                        ipaddr_string(obj_tptr),
1148                        *(obj_tptr+4),
1149                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1150                        error_code);
1151                 switch (error_code) {
1152                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1153                     printf(", Error Value: %s (%u)",
1154                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1155                            error_value);
1156                     break;
1157                 default:
1158                     printf(", Unknown Error Value (%u)", error_value);
1159                     break;
1160                 }
1161                 obj_tlen-=8;
1162                 obj_tptr+=8;
1163                 break;
1164 #ifdef INET6
1165             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1166             case RSVP_CTYPE_IPV6:
1167                 if (obj_tlen < 20)
1168                     return;
1169                 error_code=*(obj_tptr+17);
1170                 error_value=EXTRACT_16BITS(obj_tptr+18);
1171                 printf("\n\t    Error Node Adress: %s, Flags: [0x%02x]\n\t    Error Code: %s (%u)",
1172                        ip6addr_string(obj_tptr),
1173                        *(obj_tptr+16),
1174                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1175                        error_code);
1176
1177                 switch (error_code) {
1178                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1179                     printf(", Error Value: %s (%u)",
1180                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1181                            error_value);
1182                     break;
1183                 default:
1184                     break;
1185                 }
1186                 obj_tlen-=20;
1187                 obj_tptr+=20;
1188                 break;
1189 #endif
1190             default:
1191                 hexdump=TRUE;
1192             }
1193             break;
1194
1195         case RSVP_OBJ_PROPERTIES:
1196             switch(rsvp_obj_ctype) {
1197             case RSVP_CTYPE_1:
1198                 if (obj_tlen < 4)
1199                     return;
1200                 padbytes = EXTRACT_16BITS(obj_tptr+2);
1201                 printf("\n\t    TLV count: %u, padding bytes: %u",
1202                        EXTRACT_16BITS(obj_tptr),
1203                        padbytes);
1204                 obj_tlen-=4;
1205                 obj_tptr+=4;
1206                 /* loop through as long there is anything longer than the TLV header (2) */
1207                 while(obj_tlen >= 2 + padbytes) {
1208                     printf("\n\t      %s TLV (0x%02x), length: %u", /* length includes header */
1209                            tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1210                            *obj_tptr,
1211                            *(obj_tptr+1));
1212                     if (obj_tlen < *(obj_tptr+1))
1213                         return;
1214                     print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
1215                     obj_tlen-=*(obj_tptr+1);
1216                     obj_tptr+=*(obj_tptr+1);
1217                 }
1218                 break;
1219             default:
1220                 hexdump=TRUE;
1221             }
1222             break;
1223
1224         /*
1225          *  FIXME those are the defined objects that lack a decoder
1226          *  you are welcome to contribute code ;-)
1227          */
1228
1229         case RSVP_OBJ_INTEGRITY:
1230         case RSVP_OBJ_SCOPE:
1231         case RSVP_OBJ_POLICY_DATA:
1232         case RSVP_OBJ_MESSAGE_ID:
1233         case RSVP_OBJ_MESSAGE_ID_ACK:
1234         case RSVP_OBJ_MESSAGE_ID_LIST:
1235         case RSVP_OBJ_LABEL_SET:
1236         case RSVP_OBJ_ACCEPT_LABEL_SET:
1237         case RSVP_OBJ_PROTECTION:
1238         default:
1239             if (vflag <= 1)
1240                 print_unknown_data(obj_tptr,"\n\t    ",obj_tlen);
1241             break;
1242         }
1243         /* do we want to see an additionally hexdump ? */
1244         if (vflag > 1 || hexdump==TRUE)
1245             print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t    ",
1246                                rsvp_obj_len-sizeof(struct rsvp_object_header));
1247
1248         tptr+=rsvp_obj_len;
1249         tlen-=rsvp_obj_len;
1250     }
1251     return;
1252 trunc:
1253     printf("\n\t\t packet exceeded snapshot");
1254 }