contrib/tcpdump/print-rsvp.c

   1 /*
   2  * Copyright (c) 1998-2007 The TCPDUMP project
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that: (1) source code
   6  * distributions retain the above copyright notice and this paragraph
   7  * in its entirety, and (2) distributions including binary code include
   8  * the above copyright notice and this paragraph in its entirety in
   9  * the documentation or other materials provided with the distribution.
  10  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
  11  * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
  12  * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  13  * FOR A PARTICULAR PURPOSE.
  14  *
  15  * Original code by Hannes Gredler (hannes@gredler.at)
  16  */
  17
  18 /* \summary: Resource ReSerVation Protocol (RSVP) printer */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include <netdissect-stdinc.h>
  25
  26 #include "netdissect.h"
  27 #include "extract.h"
  28 #include "addrtoname.h"
  29 #include "ethertype.h"
  30 #include "gmpls.h"
  31 #include "af.h"
  32 #include "signature.h"
  33
  34 static const char tstr[] = " [|rsvp]";
  35
  36 /*
  37  * RFC 2205 common header
  38  *
  39  *               0             1              2             3
  40  *        +-------------+-------------+-------------+-------------+
  41  *        | Vers | Flags|  Msg Type   |       RSVP Checksum       |
  42  *        +-------------+-------------+-------------+-------------+
  43  *        |  Send_TTL   | (Reserved)  |        RSVP Length        |
  44  *        +-------------+-------------+-------------+-------------+
  45  *
  46  */
  47
  48 struct rsvp_common_header {
  49     uint8_t version_flags;
  50     uint8_t msg_type;
  51     uint8_t checksum[2];
  52     uint8_t ttl;
  53     uint8_t reserved;
  54     uint8_t length[2];
  55 };
  56
  57 /*
  58  * RFC2205 object header
  59  *
  60  *
  61  *               0             1              2             3
  62  *        +-------------+-------------+-------------+-------------+
  63  *        |       Length (bytes)      |  Class-Num  |   C-Type    |
  64  *        +-------------+-------------+-------------+-------------+
  65  *        |                                                       |
  66  *        //                  (Object contents)                   //
  67  *        |                                                       |
  68  *        +-------------+-------------+-------------+-------------+
  69  */
  70
  71 struct rsvp_object_header {
  72     uint8_t length[2];
  73     uint8_t class_num;
  74     uint8_t ctype;
  75 };
  76
  77 #define RSVP_VERSION            1
  78 #define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
  79 #define RSVP_EXTRACT_FLAGS(x)   ((x)&0x0f)
  80
  81 #define RSVP_MSGTYPE_PATH       1
  82 #define RSVP_MSGTYPE_RESV       2
  83 #define RSVP_MSGTYPE_PATHERR    3
  84 #define RSVP_MSGTYPE_RESVERR    4
  85 #define RSVP_MSGTYPE_PATHTEAR   5
  86 #define RSVP_MSGTYPE_RESVTEAR   6
  87 #define RSVP_MSGTYPE_RESVCONF   7
  88 #define RSVP_MSGTYPE_BUNDLE     12
  89 #define RSVP_MSGTYPE_ACK        13
  90 #define RSVP_MSGTYPE_HELLO_OLD  14      /* ancient Hellos */
  91 #define RSVP_MSGTYPE_SREFRESH   15
  92 #define RSVP_MSGTYPE_HELLO      20
  93
  94 static const struct tok rsvp_msg_type_values[] = {
  95     { RSVP_MSGTYPE_PATH,        "Path" },
  96     { RSVP_MSGTYPE_RESV,        "Resv" },
  97     { RSVP_MSGTYPE_PATHERR,     "PathErr" },
  98     { RSVP_MSGTYPE_RESVERR,     "ResvErr" },
  99     { RSVP_MSGTYPE_PATHTEAR,    "PathTear" },
 100     { RSVP_MSGTYPE_RESVTEAR,    "ResvTear" },
 101     { RSVP_MSGTYPE_RESVCONF,    "ResvConf" },
 102     { RSVP_MSGTYPE_BUNDLE,      "Bundle" },
 103     { RSVP_MSGTYPE_ACK,         "Acknowledgement" },
 104     { RSVP_MSGTYPE_HELLO_OLD,   "Hello (Old)" },
 105     { RSVP_MSGTYPE_SREFRESH,    "Refresh" },
 106     { RSVP_MSGTYPE_HELLO,       "Hello" },
 107     { 0, NULL}
 108 };
 109
 110 static const struct tok rsvp_header_flag_values[] = {
 111     { 0x01,                   "Refresh reduction capable" }, /* rfc2961 */
 112     { 0, NULL}
 113 };
 114
 115 #define RSVP_OBJ_SESSION            1   /* rfc2205 */
 116 #define RSVP_OBJ_RSVP_HOP           3   /* rfc2205, rfc3473 */
 117 #define RSVP_OBJ_INTEGRITY          4   /* rfc2747 */
 118 #define RSVP_OBJ_TIME_VALUES        5   /* rfc2205 */
 119 #define RSVP_OBJ_ERROR_SPEC         6
 120 #define RSVP_OBJ_SCOPE              7
 121 #define RSVP_OBJ_STYLE              8   /* rfc2205 */
 122 #define RSVP_OBJ_FLOWSPEC           9   /* rfc2215 */
 123 #define RSVP_OBJ_FILTERSPEC         10  /* rfc2215 */
 124 #define RSVP_OBJ_SENDER_TEMPLATE    11
 125 #define RSVP_OBJ_SENDER_TSPEC       12  /* rfc2215 */
 126 #define RSVP_OBJ_ADSPEC             13  /* rfc2215 */
 127 #define RSVP_OBJ_POLICY_DATA        14
 128 #define RSVP_OBJ_CONFIRM            15  /* rfc2205 */
 129 #define RSVP_OBJ_LABEL              16  /* rfc3209 */
 130 #define RSVP_OBJ_LABEL_REQ          19  /* rfc3209 */
 131 #define RSVP_OBJ_ERO                20  /* rfc3209 */
 132 #define RSVP_OBJ_RRO                21  /* rfc3209 */
 133 #define RSVP_OBJ_HELLO              22  /* rfc3209 */
 134 #define RSVP_OBJ_MESSAGE_ID         23  /* rfc2961 */
 135 #define RSVP_OBJ_MESSAGE_ID_ACK     24  /* rfc2961 */
 136 #define RSVP_OBJ_MESSAGE_ID_LIST    25  /* rfc2961 */
 137 #define RSVP_OBJ_RECOVERY_LABEL     34  /* rfc3473 */
 138 #define RSVP_OBJ_UPSTREAM_LABEL     35  /* rfc3473 */
 139 #define RSVP_OBJ_LABEL_SET          36  /* rfc3473 */
 140 #define RSVP_OBJ_PROTECTION         37  /* rfc3473 */
 141 #define RSVP_OBJ_S2L                50  /* rfc4875 */
 142 #define RSVP_OBJ_DETOUR             63  /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
 143 #define RSVP_OBJ_CLASSTYPE          66  /* rfc4124 */
 144 #define RSVP_OBJ_CLASSTYPE_OLD      125 /* draft-ietf-tewg-diff-te-proto-07 */
 145 #define RSVP_OBJ_SUGGESTED_LABEL    129 /* rfc3473 */
 146 #define RSVP_OBJ_ACCEPT_LABEL_SET   130 /* rfc3473 */
 147 #define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
 148 #define RSVP_OBJ_NOTIFY_REQ         195 /* rfc3473 */
 149 #define RSVP_OBJ_ADMIN_STATUS       196 /* rfc3473 */
 150 #define RSVP_OBJ_PROPERTIES         204 /* juniper proprietary */
 151 #define RSVP_OBJ_FASTREROUTE        205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07 */
 152 #define RSVP_OBJ_SESSION_ATTRIBUTE  207 /* rfc3209 */
 153 #define RSVP_OBJ_GENERALIZED_UNI    229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
 154 #define RSVP_OBJ_CALL_ID            230 /* rfc3474 */
 155 #define RSVP_OBJ_CALL_OPS           236 /* rfc3474 */
 156
 157 static const struct tok rsvp_obj_values[] = {
 158     { RSVP_OBJ_SESSION,            "Session" },
 159     { RSVP_OBJ_RSVP_HOP,           "RSVP Hop" },
 160     { RSVP_OBJ_INTEGRITY,          "Integrity" },
 161     { RSVP_OBJ_TIME_VALUES,        "Time Values" },
 162     { RSVP_OBJ_ERROR_SPEC,         "Error Spec" },
 163     { RSVP_OBJ_SCOPE,              "Scope" },
 164     { RSVP_OBJ_STYLE,              "Style" },
 165     { RSVP_OBJ_FLOWSPEC,           "Flowspec" },
 166     { RSVP_OBJ_FILTERSPEC,         "FilterSpec" },
 167     { RSVP_OBJ_SENDER_TEMPLATE,    "Sender Template" },
 168     { RSVP_OBJ_SENDER_TSPEC,       "Sender TSpec" },
 169     { RSVP_OBJ_ADSPEC,             "Adspec" },
 170     { RSVP_OBJ_POLICY_DATA,        "Policy Data" },
 171     { RSVP_OBJ_CONFIRM,            "Confirm" },
 172     { RSVP_OBJ_LABEL,              "Label" },
 173     { RSVP_OBJ_LABEL_REQ,          "Label Request" },
 174     { RSVP_OBJ_ERO,                "ERO" },
 175     { RSVP_OBJ_RRO,                "RRO" },
 176     { RSVP_OBJ_HELLO,              "Hello" },
 177     { RSVP_OBJ_MESSAGE_ID,         "Message ID" },
 178     { RSVP_OBJ_MESSAGE_ID_ACK,     "Message ID Ack" },
 179     { RSVP_OBJ_MESSAGE_ID_LIST,    "Message ID List" },
 180     { RSVP_OBJ_RECOVERY_LABEL,     "Recovery Label" },
 181     { RSVP_OBJ_UPSTREAM_LABEL,     "Upstream Label" },
 182     { RSVP_OBJ_LABEL_SET,          "Label Set" },
 183     { RSVP_OBJ_ACCEPT_LABEL_SET,   "Acceptable Label Set" },
 184     { RSVP_OBJ_DETOUR,             "Detour" },
 185     { RSVP_OBJ_CLASSTYPE,          "Class Type" },
 186     { RSVP_OBJ_CLASSTYPE_OLD,      "Class Type (old)" },
 187     { RSVP_OBJ_SUGGESTED_LABEL,    "Suggested Label" },
 188     { RSVP_OBJ_PROPERTIES,         "Properties" },
 189     { RSVP_OBJ_FASTREROUTE,        "Fast Re-Route" },
 190     { RSVP_OBJ_SESSION_ATTRIBUTE,  "Session Attribute" },
 191     { RSVP_OBJ_GENERALIZED_UNI,    "Generalized UNI" },
 192     { RSVP_OBJ_CALL_ID,            "Call-ID" },
 193     { RSVP_OBJ_CALL_OPS,           "Call Capability" },
 194     { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
 195     { RSVP_OBJ_NOTIFY_REQ,         "Notify Request" },
 196     { RSVP_OBJ_PROTECTION,         "Protection" },
 197     { RSVP_OBJ_ADMIN_STATUS,       "Administrative Status" },
 198     { RSVP_OBJ_S2L,                "Sub-LSP to LSP" },
 199     { 0, NULL}
 200 };
 201
 202 #define RSVP_CTYPE_IPV4        1
 203 #define RSVP_CTYPE_IPV6        2
 204 #define RSVP_CTYPE_TUNNEL_IPV4 7
 205 #define RSVP_CTYPE_TUNNEL_IPV6 8
 206 #define RSVP_CTYPE_UNI_IPV4    11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
 207 #define RSVP_CTYPE_1           1
 208 #define RSVP_CTYPE_2           2
 209 #define RSVP_CTYPE_3           3
 210 #define RSVP_CTYPE_4           4
 211 #define RSVP_CTYPE_12         12
 212 #define RSVP_CTYPE_13         13
 213 #define RSVP_CTYPE_14         14
 214
 215 /*
 216  * the ctypes are not globally unique so for
 217  * translating it to strings we build a table based
 218  * on objects offsetted by the ctype
 219  */
 220
 221 static const struct tok rsvp_ctype_values[] = {
 222     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4,                 "IPv4" },
 223     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6,                 "IPv6" },
 224     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3,                    "IPv4 plus opt. TLVs" },
 225     { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4,                    "IPv6 plus opt. TLVs" },
 226     { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4,               "IPv4" },
 227     { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6,               "IPv6" },
 228     { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4,                  "IPv4" },
 229     { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6,                  "IPv6" },
 230     { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1,                 "1" },
 231     { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1,                    "obsolete" },
 232     { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2,                    "IntServ" },
 233     { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2,                "IntServ" },
 234     { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2,                      "IntServ" },
 235     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4,               "IPv4" },
 236     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6,               "IPv6" },
 237     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3,                  "IPv6 Flow-label" },
 238     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4,        "Tunnel IPv4" },
 239     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12,                 "IPv4 P2MP LSP Tunnel" },
 240     { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13,                 "IPv6 P2MP LSP Tunnel" },
 241     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4,                  "IPv4" },
 242     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6,                  "IPv6" },
 243     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4,           "Tunnel IPv4" },
 244     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4,              "UNI IPv4" },
 245     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13,                    "IPv4 P2MP LSP Tunnel" },
 246     { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14,                    "IPv6 P2MP LSP Tunnel" },
 247     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4,          "IPv4" },
 248     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6,          "IPv6" },
 249     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4,   "Tunnel IPv4" },
 250     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12,            "IPv4 P2MP LSP Tunnel" },
 251     { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13,            "IPv6 P2MP LSP Tunnel" },
 252     { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1,                  "1" },
 253     { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1,              "Message id ack" },
 254     { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2,              "Message id nack" },
 255     { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1,             "1" },
 256     { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1,                       "1" },
 257     { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1,                       "Hello Request" },
 258     { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2,                       "Hello Ack" },
 259     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1,                   "without label range" },
 260     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2,                   "with ATM label range" },
 261     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3,                   "with FR label range" },
 262     { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4,                   "Generalized Label" },
 263     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1,                       "Label" },
 264     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2,                       "Generalized Label" },
 265     { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3,                       "Waveband Switching" },
 266     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1,             "Label" },
 267     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2,             "Generalized Label" },
 268     { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3,             "Waveband Switching" },
 269     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1,              "Label" },
 270     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2,              "Generalized Label" },
 271     { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3,              "Waveband Switching" },
 272     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1,              "Label" },
 273     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2,              "Generalized Label" },
 274     { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3,              "Waveband Switching" },
 275     { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4,                      "IPv4" },
 276     { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4,                      "IPv4" },
 277     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4,               "IPv4" },
 278     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6,               "IPv6" },
 279     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3,                  "IPv4 plus opt. TLVs" },
 280     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4,                  "IPv6 plus opt. TLVs" },
 281     { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1,          "IPv4" },
 282     { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
 283     { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4,       "Tunnel IPv4" }, /* old style*/
 284     { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1,                 "1" }, /* new style */
 285     { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4,            "Tunnel IPv4" },
 286     { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1,                  "1" },
 287     { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1,                "1" },
 288     { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1,                   "1" },
 289     { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1,               "1" },
 290     { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1,                   "1" },
 291     { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1,             "1" },
 292     { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4,                      "IPv4 sub-LSP" },
 293     { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6,                      "IPv6 sub-LSP" },
 294     { 0, NULL}
 295 };
 296
 297 struct rsvp_obj_integrity_t {
 298     uint8_t flags;
 299     uint8_t res;
 300     uint8_t key_id[6];
 301     uint8_t sequence[8];
 302     uint8_t digest[16];
 303 };
 304
 305 static const struct tok rsvp_obj_integrity_flag_values[] = {
 306     { 0x80, "Handshake" },
 307     { 0, NULL}
 308 };
 309
 310 struct rsvp_obj_frr_t {
 311     uint8_t setup_prio;
 312     uint8_t hold_prio;
 313     uint8_t hop_limit;
 314     uint8_t flags;
 315     uint8_t bandwidth[4];
 316     uint8_t include_any[4];
 317     uint8_t exclude_any[4];
 318     uint8_t include_all[4];
 319 };
 320
 321
 322 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x)   ((x)&0x7f)
 323 #define RSVP_OBJ_XRO_MASK_LOOSE(x)    ((x)&0x80)
 324
 325 #define RSVP_OBJ_XRO_RES       0
 326 #define RSVP_OBJ_XRO_IPV4      1
 327 #define RSVP_OBJ_XRO_IPV6      2
 328 #define RSVP_OBJ_XRO_LABEL     3
 329 #define RSVP_OBJ_XRO_ASN       32
 330 #define RSVP_OBJ_XRO_MPLS      64
 331
 332 static const struct tok rsvp_obj_xro_values[] = {
 333     { RSVP_OBJ_XRO_RES,       "Reserved" },
 334     { RSVP_OBJ_XRO_IPV4,      "IPv4 prefix" },
 335     { RSVP_OBJ_XRO_IPV6,      "IPv6 prefix" },
 336     { RSVP_OBJ_XRO_LABEL,     "Label" },
 337     { RSVP_OBJ_XRO_ASN,       "Autonomous system number" },
 338     { RSVP_OBJ_XRO_MPLS,      "MPLS label switched path termination" },
 339     { 0, NULL}
 340 };
 341
 342 /* draft-ietf-mpls-rsvp-lsp-fastreroute-07.txt */
 343 static const struct tok rsvp_obj_rro_flag_values[] = {
 344     { 0x01,                   "Local protection available" },
 345     { 0x02,                   "Local protection in use" },
 346     { 0x04,                   "Bandwidth protection" },
 347     { 0x08,                   "Node protection" },
 348     { 0, NULL}
 349 };
 350
 351 /* RFC3209 */
 352 static const struct tok rsvp_obj_rro_label_flag_values[] = {
 353     { 0x01,                   "Global" },
 354     { 0, NULL}
 355 };
 356
 357 static const struct tok rsvp_resstyle_values[] = {
 358     { 17,                     "Wildcard Filter" },
 359     { 10,                     "Fixed Filter" },
 360     { 18,                     "Shared Explicit" },
 361     { 0, NULL}
 362 };
 363
 364 #define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
 365 #define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
 366
 367 static const struct tok rsvp_intserv_service_type_values[] = {
 368     { 1,                                "Default/Global Information" },
 369     { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
 370     { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
 371     { 0, NULL}
 372 };
 373
 374 static const struct tok rsvp_intserv_parameter_id_values[] = {
 375     { 4,                     "IS hop cnt" },
 376     { 6,                     "Path b/w estimate" },
 377     { 8,                     "Minimum path latency" },
 378     { 10,                    "Composed MTU" },
 379     { 127,                   "Token Bucket TSpec" },
 380     { 130,                   "Guaranteed Service RSpec" },
 381     { 133,                   "End-to-end composed value for C" },
 382     { 134,                   "End-to-end composed value for D" },
 383     { 135,                   "Since-last-reshaping point composed C" },
 384     { 136,                   "Since-last-reshaping point composed D" },
 385     { 0, NULL}
 386 };
 387
 388 static const struct tok rsvp_session_attribute_flag_values[] = {
 389     { 0x01,                   "Local Protection" },
 390     { 0x02,                   "Label Recording" },
 391     { 0x04,                   "SE Style" },
 392     { 0x08,                   "Bandwidth protection" }, /* RFC4090 */
 393     { 0x10,                   "Node protection" },      /* RFC4090 */
 394     { 0, NULL}
 395 };
 396
 397 static const struct tok rsvp_obj_prop_tlv_values[] = {
 398     { 0x01,                   "Cos" },
 399     { 0x02,                   "Metric 1" },
 400     { 0x04,                   "Metric 2" },
 401     { 0x08,                   "CCC Status" },
 402     { 0x10,                   "Path Type" },
 403     { 0, NULL}
 404 };
 405
 406 #define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
 407 #define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY  25
 408 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
 409 #define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
 410
 411 static const struct tok rsvp_obj_error_code_values[] = {
 412     { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
 413     { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY,  "Notify Error" },
 414     { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
 415     { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
 416     { 0, NULL}
 417 };
 418
 419 static const struct tok rsvp_obj_error_code_routing_values[] = {
 420     { 1,                      "Bad EXPLICIT_ROUTE object" },
 421     { 2,                      "Bad strict node" },
 422     { 3,                      "Bad loose node" },
 423     { 4,                      "Bad initial subobject" },
 424     { 5,                      "No route available toward destination" },
 425     { 6,                      "Unacceptable label value" },
 426     { 7,                      "RRO indicated routing loops" },
 427     { 8,                      "non-RSVP-capable router in the path" },
 428     { 9,                      "MPLS label allocation failure" },
 429     { 10,                     "Unsupported L3PID" },
 430     { 0, NULL}
 431 };
 432
 433 static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
 434     { 1,                      "Unexpected CT object" },
 435     { 2,                      "Unsupported CT" },
 436     { 3,                      "Invalid CT value" },
 437     { 4,                      "CT/setup priority do not form a configured TE-Class" },
 438     { 5,                      "CT/holding priority do not form a configured TE-Class" },
 439     { 6,                      "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
 440     { 7,                      "Inconsistency between signaled PSC and signaled CT" },
 441     { 8,                      "Inconsistency between signaled PHBs and signaled CT" },
 442    { 0, NULL}
 443 };
 444
 445 /* rfc3473 / rfc 3471 */
 446 static const struct tok rsvp_obj_admin_status_flag_values[] = {
 447     { 0x80000000, "Reflect" },
 448     { 0x00000004, "Testing" },
 449     { 0x00000002, "Admin-down" },
 450     { 0x00000001, "Delete-in-progress" },
 451     { 0, NULL}
 452 };
 453
 454 /* label set actions - rfc3471 */
 455 #define LABEL_SET_INCLUSIVE_LIST  0
 456 #define LABEL_SET_EXCLUSIVE_LIST  1
 457 #define LABEL_SET_INCLUSIVE_RANGE 2
 458 #define LABEL_SET_EXCLUSIVE_RANGE 3
 459
 460 static const struct tok rsvp_obj_label_set_action_values[] = {
 461     { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
 462     { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
 463     { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
 464     { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
 465     { 0, NULL}
 466 };
 467
 468 /* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
 469 #define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS      1
 470 #define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
 471 #define RSVP_GEN_UNI_SUBOBJ_DIVERSITY               3
 472 #define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL            4
 473 #define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL           5
 474
 475 static const struct tok rsvp_obj_generalized_uni_values[] = {
 476     { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
 477     { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
 478     { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
 479     { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
 480     { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
 481     { 0, NULL}
 482 };
 483
 484 /*
 485  * this is a dissector for all the intserv defined
 486  * specs as defined per rfc2215
 487  * it is called from various rsvp objects;
 488  * returns the amount of bytes being processed
 489  */
 490 static int
 491 rsvp_intserv_print(netdissect_options *ndo,
 492                    const u_char *tptr, u_short obj_tlen)
 493 {
 494     int parameter_id,parameter_length;
 495     union {
 496         float f;
 497         uint32_t i;
 498     } bw;
 499
 500     if (obj_tlen < 4)
 501         return 0;
 502     ND_TCHECK_8BITS(tptr);
 503     parameter_id = *(tptr);
 504     ND_TCHECK2(*(tptr + 2), 2);
 505     parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */
 506
 507     ND_PRINT((ndo, "\n\t      Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
 508            tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
 509            parameter_id,
 510            parameter_length,
 511            *(tptr + 1)));
 512
 513     if (obj_tlen < parameter_length+4)
 514         return 0;
 515     switch(parameter_id) { /* parameter_id */
 516
 517     case 4:
 518        /*
 519         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 520         * |    4 (e)      |    (f)        |           1 (g)               |
 521         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 522         * |        IS hop cnt (32-bit unsigned integer)                   |
 523         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 524         */
 525         if (parameter_length == 4) {
 526             ND_TCHECK2(*(tptr + 4), 4);
 527             ND_PRINT((ndo, "\n\t\tIS hop count: %u", EXTRACT_32BITS(tptr + 4)));
 528         }
 529         break;
 530
 531     case 6:
 532        /*
 533         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 534         * |    6 (h)      |    (i)        |           1 (j)               |
 535         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 536         * |  Path b/w estimate  (32-bit IEEE floating point number)       |
 537         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 538         */
 539         if (parameter_length == 4) {
 540             ND_TCHECK2(*(tptr + 4), 4);
 541             bw.i = EXTRACT_32BITS(tptr+4);
 542             ND_PRINT((ndo, "\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000));
 543         }
 544         break;
 545
 546     case 8:
 547        /*
 548         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 549         * |     8 (k)     |    (l)        |           1 (m)               |
 550         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 551         * |        Minimum path latency (32-bit integer)                  |
 552         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 553         */
 554         if (parameter_length == 4) {
 555             ND_TCHECK2(*(tptr + 4), 4);
 556             ND_PRINT((ndo, "\n\t\tMinimum path latency: "));
 557             if (EXTRACT_32BITS(tptr+4) == 0xffffffff)
 558                 ND_PRINT((ndo, "don't care"));
 559             else
 560                 ND_PRINT((ndo, "%u", EXTRACT_32BITS(tptr + 4)));
 561         }
 562         break;
 563
 564     case 10:
 565
 566        /*
 567         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 568         * |     10 (n)    |      (o)      |           1 (p)               |
 569         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 570         * |      Composed MTU (32-bit unsigned integer)                   |
 571         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 572         */
 573         if (parameter_length == 4) {
 574             ND_TCHECK2(*(tptr + 4), 4);
 575             ND_PRINT((ndo, "\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(tptr + 4)));
 576         }
 577         break;
 578     case 127:
 579        /*
 580         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 581         * |   127 (e)     |    0 (f)      |             5 (g)             |
 582         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 583         * |  Token Bucket Rate [r] (32-bit IEEE floating point number)    |
 584         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 585         * |  Token Bucket Size [b] (32-bit IEEE floating point number)    |
 586         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 587         * |  Peak Data Rate [p] (32-bit IEEE floating point number)       |
 588         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 589         * |  Minimum Policed Unit [m] (32-bit integer)                    |
 590         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 591         * |  Maximum Packet Size [M]  (32-bit integer)                    |
 592         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 593         */
 594
 595         if (parameter_length == 20) {
 596             ND_TCHECK2(*(tptr + 4), 20);
 597             bw.i = EXTRACT_32BITS(tptr+4);
 598             ND_PRINT((ndo, "\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000));
 599             bw.i = EXTRACT_32BITS(tptr+8);
 600             ND_PRINT((ndo, "\n\t\tToken Bucket Size: %.10g bytes", bw.f));
 601             bw.i = EXTRACT_32BITS(tptr+12);
 602             ND_PRINT((ndo, "\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000));
 603             ND_PRINT((ndo, "\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr + 16)));
 604             ND_PRINT((ndo, "\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(tptr + 20)));
 605         }
 606         break;
 607
 608     case 130:
 609        /*
 610         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 611         * |     130 (h)   |    0 (i)      |            2 (j)              |
 612         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 613         * |  Rate [R]  (32-bit IEEE floating point number)                |
 614         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 615         * |  Slack Term [S]  (32-bit integer)                             |
 616         * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 617         */
 618
 619         if (parameter_length == 8) {
 620             ND_TCHECK2(*(tptr + 4), 8);
 621             bw.i = EXTRACT_32BITS(tptr+4);
 622             ND_PRINT((ndo, "\n\t\tRate: %.10g Mbps", bw.f / 125000));
 623             ND_PRINT((ndo, "\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr + 8)));
 624         }
 625         break;
 626
 627     case 133:
 628     case 134:
 629     case 135:
 630     case 136:
 631         if (parameter_length == 4) {
 632             ND_TCHECK2(*(tptr + 4), 4);
 633             ND_PRINT((ndo, "\n\t\tValue: %u", EXTRACT_32BITS(tptr + 4)));
 634         }
 635         break;
 636
 637     default:
 638         if (ndo->ndo_vflag <= 1)
 639             print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
 640     }
 641     return (parameter_length+4); /* header length 4 bytes */
 642
 643 trunc:
 644     ND_PRINT((ndo, "%s", tstr));
 645     return 0;
 646 }
 647
 648 /*
 649  * Clear checksum prior to signature verification.
 650  */
 651 static void
 652 rsvp_clear_checksum(void *header)
 653 {
 654     struct rsvp_common_header *rsvp_com_header = (struct rsvp_common_header *) header;
 655
 656     rsvp_com_header->checksum[0] = 0;
 657     rsvp_com_header->checksum[1] = 0;
 658 }
 659
 660 static int
 661 rsvp_obj_print(netdissect_options *ndo,
 662                const u_char *pptr, u_int plen, const u_char *tptr,
 663                const char *ident, u_int tlen,
 664                const struct rsvp_common_header *rsvp_com_header)
 665 {
 666     const struct rsvp_object_header *rsvp_obj_header;
 667     const u_char *obj_tptr;
 668     union {
 669         const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
 670         const struct rsvp_obj_frr_t *rsvp_obj_frr;
 671     } obj_ptr;
 672
 673     u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
 674     int hexdump,processed,padbytes,error_code,error_value,i,sigcheck;
 675     union {
 676         float f;
 677         uint32_t i;
 678     } bw;
 679     uint8_t namelen;
 680
 681     u_int action, subchannel;
 682
 683     while(tlen>=sizeof(struct rsvp_object_header)) {
 684         /* did we capture enough for fully decoding the object header ? */
 685         ND_TCHECK2(*tptr, sizeof(struct rsvp_object_header));
 686
 687         rsvp_obj_header = (const struct rsvp_object_header *)tptr;
 688         rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length);
 689         rsvp_obj_ctype=rsvp_obj_header->ctype;
 690
 691         if(rsvp_obj_len % 4) {
 692             ND_PRINT((ndo, "%sERROR: object header size %u not a multiple of 4", ident, rsvp_obj_len));
 693             return -1;
 694         }
 695         if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
 696             ND_PRINT((ndo, "%sERROR: object header too short %u < %lu", ident, rsvp_obj_len,
 697                    (unsigned long)sizeof(const struct rsvp_object_header)));
 698             return -1;
 699         }
 700
 701         ND_PRINT((ndo, "%s%s Object (%u) Flags: [%s",
 702                ident,
 703                tok2str(rsvp_obj_values,
 704                        "Unknown",
 705                        rsvp_obj_header->class_num),
 706                rsvp_obj_header->class_num,
 707                ((rsvp_obj_header->class_num) & 0x80) ? "ignore" : "reject"));
 708
 709         if (rsvp_obj_header->class_num > 128)
 710             ND_PRINT((ndo, " %s",
 711                    ((rsvp_obj_header->class_num) & 0x40) ? "and forward" : "silently"));
 712
 713         ND_PRINT((ndo, " if unknown], Class-Type: %s (%u), length: %u",
 714                tok2str(rsvp_ctype_values,
 715                        "Unknown",
 716                        ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype),
 717                rsvp_obj_ctype,
 718                rsvp_obj_len));
 719
 720         if(tlen < rsvp_obj_len) {
 721             ND_PRINT((ndo, "%sERROR: object goes past end of objects TLV", ident));
 722             return -1;
 723         }
 724
 725         obj_tptr=tptr+sizeof(struct rsvp_object_header);
 726         obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
 727
 728         /* did we capture enough for fully decoding the object ? */
 729         if (!ND_TTEST2(*tptr, rsvp_obj_len))
 730             return -1;
 731         hexdump=FALSE;
 732
 733         switch(rsvp_obj_header->class_num) {
 734         case RSVP_OBJ_SESSION:
 735             switch(rsvp_obj_ctype) {
 736             case RSVP_CTYPE_IPV4:
 737                 if (obj_tlen < 8)
 738                     return -1;
 739                 ND_PRINT((ndo, "%s  IPv4 DestAddress: %s, Protocol ID: 0x%02x",
 740                        ident,
 741                        ipaddr_string(ndo, obj_tptr),
 742                        *(obj_tptr + sizeof(struct in_addr))));
 743                 ND_PRINT((ndo, "%s  Flags: [0x%02x], DestPort %u",
 744                        ident,
 745                        *(obj_tptr+5),
 746                        EXTRACT_16BITS(obj_tptr + 6)));
 747                 obj_tlen-=8;
 748                 obj_tptr+=8;
 749                 break;
 750             case RSVP_CTYPE_IPV6:
 751                 if (obj_tlen < 20)
 752                     return -1;
 753                 ND_PRINT((ndo, "%s  IPv6 DestAddress: %s, Protocol ID: 0x%02x",
 754                        ident,
 755                        ip6addr_string(ndo, obj_tptr),
 756                        *(obj_tptr + sizeof(struct in6_addr))));
 757                 ND_PRINT((ndo, "%s  Flags: [0x%02x], DestPort %u",
 758                        ident,
 759                        *(obj_tptr+sizeof(struct in6_addr)+1),
 760                        EXTRACT_16BITS(obj_tptr + sizeof(struct in6_addr) + 2)));
 761                 obj_tlen-=20;
 762                 obj_tptr+=20;
 763                 break;
 764
 765             case RSVP_CTYPE_TUNNEL_IPV6:
 766                 if (obj_tlen < 36)
 767                     return -1;
 768                 ND_PRINT((ndo, "%s  IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 769                        ident,
 770                        ip6addr_string(ndo, obj_tptr),
 771                        EXTRACT_16BITS(obj_tptr+18),
 772                        ip6addr_string(ndo, obj_tptr + 20)));
 773                 obj_tlen-=36;
 774                 obj_tptr+=36;
 775                 break;
 776
 777             case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
 778                 if (obj_tlen < 26)
 779                     return -1;
 780                 ND_PRINT((ndo, "%s  IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 781                        ident,
 782                        EXTRACT_32BITS(obj_tptr),
 783                        EXTRACT_16BITS(obj_tptr+6),
 784                        ip6addr_string(ndo, obj_tptr + 8)));
 785                 obj_tlen-=26;
 786                 obj_tptr+=26;
 787                 break;
 788             case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
 789                 if (obj_tlen < 12)
 790                     return -1;
 791                 ND_PRINT((ndo, "%s  IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 792                        ident,
 793                        ipaddr_string(ndo, obj_tptr),
 794                        EXTRACT_16BITS(obj_tptr+6),
 795                        ipaddr_string(ndo, obj_tptr + 8)));
 796                 obj_tlen-=12;
 797                 obj_tptr+=12;
 798                 break;
 799             case RSVP_CTYPE_TUNNEL_IPV4:
 800             case RSVP_CTYPE_UNI_IPV4:
 801                 if (obj_tlen < 12)
 802                     return -1;
 803                 ND_PRINT((ndo, "%s  IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
 804                        ident,
 805                        ipaddr_string(ndo, obj_tptr),
 806                        EXTRACT_16BITS(obj_tptr+6),
 807                        ipaddr_string(ndo, obj_tptr + 8)));
 808                 obj_tlen-=12;
 809                 obj_tptr+=12;
 810                 break;
 811             default:
 812                 hexdump=TRUE;
 813             }
 814             break;
 815
 816         case RSVP_OBJ_CONFIRM:
 817             switch(rsvp_obj_ctype) {
 818             case RSVP_CTYPE_IPV4:
 819                 if (obj_tlen < sizeof(struct in_addr))
 820                     return -1;
 821                 ND_PRINT((ndo, "%s  IPv4 Receiver Address: %s",
 822                        ident,
 823                        ipaddr_string(ndo, obj_tptr)));
 824                 obj_tlen-=sizeof(struct in_addr);
 825                 obj_tptr+=sizeof(struct in_addr);
 826                 break;
 827             case RSVP_CTYPE_IPV6:
 828                 if (obj_tlen < sizeof(struct in6_addr))
 829                     return -1;
 830                 ND_PRINT((ndo, "%s  IPv6 Receiver Address: %s",
 831                        ident,
 832                        ip6addr_string(ndo, obj_tptr)));
 833                 obj_tlen-=sizeof(struct in6_addr);
 834                 obj_tptr+=sizeof(struct in6_addr);
 835                 break;
 836             default:
 837                 hexdump=TRUE;
 838             }
 839             break;
 840
 841         case RSVP_OBJ_NOTIFY_REQ:
 842             switch(rsvp_obj_ctype) {
 843             case RSVP_CTYPE_IPV4:
 844                 if (obj_tlen < sizeof(struct in_addr))
 845                     return -1;
 846                 ND_PRINT((ndo, "%s  IPv4 Notify Node Address: %s",
 847                        ident,
 848                        ipaddr_string(ndo, obj_tptr)));
 849                 obj_tlen-=sizeof(struct in_addr);
 850                 obj_tptr+=sizeof(struct in_addr);
 851                 break;
 852             case RSVP_CTYPE_IPV6:
 853                 if (obj_tlen < sizeof(struct in6_addr))
 854                     return-1;
 855                 ND_PRINT((ndo, "%s  IPv6 Notify Node Address: %s",
 856                        ident,
 857                        ip6addr_string(ndo, obj_tptr)));
 858                 obj_tlen-=sizeof(struct in6_addr);
 859                 obj_tptr+=sizeof(struct in6_addr);
 860                 break;
 861             default:
 862                 hexdump=TRUE;
 863             }
 864             break;
 865
 866         case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
 867         case RSVP_OBJ_UPSTREAM_LABEL:  /* fall through */
 868         case RSVP_OBJ_RECOVERY_LABEL:  /* fall through */
 869         case RSVP_OBJ_LABEL:
 870             switch(rsvp_obj_ctype) {
 871             case RSVP_CTYPE_1:
 872                 while(obj_tlen >= 4 ) {
 873                     ND_PRINT((ndo, "%s  Label: %u", ident, EXTRACT_32BITS(obj_tptr)));
 874                     obj_tlen-=4;
 875                     obj_tptr+=4;
 876                 }
 877                 break;
 878             case RSVP_CTYPE_2:
 879                 if (obj_tlen < 4)
 880                     return-1;
 881                 ND_PRINT((ndo, "%s  Generalized Label: %u",
 882                        ident,
 883                        EXTRACT_32BITS(obj_tptr)));
 884                 obj_tlen-=4;
 885                 obj_tptr+=4;
 886                 break;
 887             case RSVP_CTYPE_3:
 888                 if (obj_tlen < 12)
 889                     return-1;
 890                 ND_PRINT((ndo, "%s  Waveband ID: %u%s  Start Label: %u, Stop Label: %u",
 891                        ident,
 892                        EXTRACT_32BITS(obj_tptr),
 893                        ident,
 894                        EXTRACT_32BITS(obj_tptr+4),
 895                        EXTRACT_32BITS(obj_tptr + 8)));
 896                 obj_tlen-=12;
 897                 obj_tptr+=12;
 898                 break;
 899             default:
 900                 hexdump=TRUE;
 901             }
 902             break;
 903
 904         case RSVP_OBJ_STYLE:
 905             switch(rsvp_obj_ctype) {
 906             case RSVP_CTYPE_1:
 907                 if (obj_tlen < 4)
 908                     return-1;
 909                 ND_PRINT((ndo, "%s  Reservation Style: %s, Flags: [0x%02x]",
 910                        ident,
 911                        tok2str(rsvp_resstyle_values,
 912                                "Unknown",
 913                                EXTRACT_24BITS(obj_tptr+1)),
 914                        *(obj_tptr)));
 915                 obj_tlen-=4;
 916                 obj_tptr+=4;
 917                 break;
 918             default:
 919                 hexdump=TRUE;
 920             }
 921             break;
 922
 923         case RSVP_OBJ_SENDER_TEMPLATE:
 924             switch(rsvp_obj_ctype) {
 925             case RSVP_CTYPE_IPV4:
 926                 if (obj_tlen < 8)
 927                     return-1;
 928                 ND_PRINT((ndo, "%s  Source Address: %s, Source Port: %u",
 929                        ident,
 930                        ipaddr_string(ndo, obj_tptr),
 931                        EXTRACT_16BITS(obj_tptr + 6)));
 932                 obj_tlen-=8;
 933                 obj_tptr+=8;
 934                 break;
 935             case RSVP_CTYPE_IPV6:
 936                 if (obj_tlen < 20)
 937                     return-1;
 938                 ND_PRINT((ndo, "%s  Source Address: %s, Source Port: %u",
 939                        ident,
 940                        ip6addr_string(ndo, obj_tptr),
 941                        EXTRACT_16BITS(obj_tptr + 18)));
 942                 obj_tlen-=20;
 943                 obj_tptr+=20;
 944                 break;
 945             case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
 946                 if (obj_tlen < 40)
 947                     return-1;
 948                 ND_PRINT((ndo, "%s  IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
 949                        "%s  Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
 950                        ident,
 951                        ip6addr_string(ndo, obj_tptr),
 952                        EXTRACT_16BITS(obj_tptr+18),
 953                        ident,
 954                        ip6addr_string(ndo, obj_tptr+20),
 955                        EXTRACT_16BITS(obj_tptr + 38)));
 956                 obj_tlen-=40;
 957                 obj_tptr+=40;
 958                 break;
 959             case RSVP_CTYPE_TUNNEL_IPV4:
 960                 if (obj_tlen < 8)
 961                     return-1;
 962                 ND_PRINT((ndo, "%s  IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
 963                        ident,
 964                        ipaddr_string(ndo, obj_tptr),
 965                        EXTRACT_16BITS(obj_tptr + 6)));
 966                 obj_tlen-=8;
 967                 obj_tptr+=8;
 968                 break;
 969             case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
 970                 if (obj_tlen < 16)
 971                     return-1;
 972                 ND_PRINT((ndo, "%s  IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
 973                        "%s  Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
 974                        ident,
 975                        ipaddr_string(ndo, obj_tptr),
 976                        EXTRACT_16BITS(obj_tptr+6),
 977                        ident,
 978                        ipaddr_string(ndo, obj_tptr+8),
 979                        EXTRACT_16BITS(obj_tptr + 12)));
 980                 obj_tlen-=16;
 981                 obj_tptr+=16;
 982                 break;
 983             default:
 984                 hexdump=TRUE;
 985             }
 986             break;
 987
 988         case RSVP_OBJ_LABEL_REQ:
 989             switch(rsvp_obj_ctype) {
 990             case RSVP_CTYPE_1:
 991                 while(obj_tlen >= 4 ) {
 992                     ND_PRINT((ndo, "%s  L3 Protocol ID: %s",
 993                            ident,
 994                            tok2str(ethertype_values,
 995                                    "Unknown Protocol (0x%04x)",
 996                                    EXTRACT_16BITS(obj_tptr + 2))));
 997                     obj_tlen-=4;
 998                     obj_tptr+=4;
 999                 }
1000                 break;
1001             case RSVP_CTYPE_2:
1002                 if (obj_tlen < 12)
1003                     return-1;
1004                 ND_PRINT((ndo, "%s  L3 Protocol ID: %s",
1005                        ident,
1006                        tok2str(ethertype_values,
1007                                "Unknown Protocol (0x%04x)",
1008                                EXTRACT_16BITS(obj_tptr + 2))));
1009                 ND_PRINT((ndo, ",%s merge capability",((*(obj_tptr + 4)) & 0x80) ? "no" : "" ));
1010                 ND_PRINT((ndo, "%s  Minimum VPI/VCI: %u/%u",
1011                        ident,
1012                        (EXTRACT_16BITS(obj_tptr+4))&0xfff,
1013                        (EXTRACT_16BITS(obj_tptr + 6)) & 0xfff));
1014                 ND_PRINT((ndo, "%s  Maximum VPI/VCI: %u/%u",
1015                        ident,
1016                        (EXTRACT_16BITS(obj_tptr+8))&0xfff,
1017                        (EXTRACT_16BITS(obj_tptr + 10)) & 0xfff));
1018                 obj_tlen-=12;
1019                 obj_tptr+=12;
1020                 break;
1021             case RSVP_CTYPE_3:
1022                 if (obj_tlen < 12)
1023                     return-1;
1024                 ND_PRINT((ndo, "%s  L3 Protocol ID: %s",
1025                        ident,
1026                        tok2str(ethertype_values,
1027                                "Unknown Protocol (0x%04x)",
1028                                EXTRACT_16BITS(obj_tptr + 2))));
1029                 ND_PRINT((ndo, "%s  Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
1030                        ident,
1031                        (EXTRACT_32BITS(obj_tptr+4))&0x7fffff,
1032                        (EXTRACT_32BITS(obj_tptr+8))&0x7fffff,
1033                        (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "",
1034                        (((EXTRACT_16BITS(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : ""));
1035                 obj_tlen-=12;
1036                 obj_tptr+=12;
1037                 break;
1038             case RSVP_CTYPE_4:
1039                 if (obj_tlen < 4)
1040                     return-1;
1041                 ND_PRINT((ndo, "%s  LSP Encoding Type: %s (%u)",
1042                        ident,
1043                        tok2str(gmpls_encoding_values,
1044                                "Unknown",
1045                                *obj_tptr),
1046                        *obj_tptr));
1047                 ND_PRINT((ndo, "%s  Switching Type: %s (%u), Payload ID: %s (0x%04x)",
1048                        ident,
1049                        tok2str(gmpls_switch_cap_values,
1050                                "Unknown",
1051                                *(obj_tptr+1)),
1052                        *(obj_tptr+1),
1053                        tok2str(gmpls_payload_values,
1054                                "Unknown",
1055                                EXTRACT_16BITS(obj_tptr+2)),
1056                        EXTRACT_16BITS(obj_tptr + 2)));
1057                 obj_tlen-=4;
1058                 obj_tptr+=4;
1059                 break;
1060             default:
1061                 hexdump=TRUE;
1062             }
1063             break;
1064
1065         case RSVP_OBJ_RRO:
1066         case RSVP_OBJ_ERO:
1067             switch(rsvp_obj_ctype) {
1068             case RSVP_CTYPE_IPV4:
1069                 while(obj_tlen >= 4 ) {
1070                     u_char length;
1071
1072                     ND_TCHECK2(*obj_tptr, 4);
1073                     length = *(obj_tptr + 1);
1074                     ND_PRINT((ndo, "%s  Subobject Type: %s, length %u",
1075                            ident,
1076                            tok2str(rsvp_obj_xro_values,
1077                                    "Unknown %u",
1078                                    RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)),
1079                            length));
1080
1081                     if (length == 0) { /* prevent infinite loops */
1082                         ND_PRINT((ndo, "%s  ERROR: zero length ERO subtype", ident));
1083                         break;
1084                     }
1085
1086                     switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) {
1087                     u_char prefix_length;
1088
1089                     case RSVP_OBJ_XRO_IPV4:
1090                         if (length != 8) {
1091                                 ND_PRINT((ndo, " ERROR: length != 8"));
1092                                 goto invalid;
1093                         }
1094                         ND_TCHECK2(*obj_tptr, 8);
1095                         prefix_length = *(obj_tptr+6);
1096                         if (prefix_length != 32) {
1097                                 ND_PRINT((ndo, " ERROR: Prefix length %u != 32",
1098                                           prefix_length));
1099                                 goto invalid;
1100                         }
1101                         ND_PRINT((ndo, ", %s, %s/%u, Flags: [%s]",
1102                                RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict",
1103                                ipaddr_string(ndo, obj_tptr+2),
1104                                *(obj_tptr+6),
1105                                bittok2str(rsvp_obj_rro_flag_values,
1106                                    "none",
1107                                    *(obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
1108                     break;
1109                     case RSVP_OBJ_XRO_LABEL:
1110                         if (length != 8) {
1111                                 ND_PRINT((ndo, " ERROR: length != 8"));
1112                                 goto invalid;
1113                         }
1114                         ND_TCHECK2(*obj_tptr, 8);
1115                         ND_PRINT((ndo, ", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
1116                                bittok2str(rsvp_obj_rro_label_flag_values,
1117                                    "none",
1118                                    *(obj_tptr+2)),
1119                                *(obj_tptr+2),
1120                                tok2str(rsvp_ctype_values,
1121                                        "Unknown",
1122                                        *(obj_tptr+3) + 256*RSVP_OBJ_RRO),
1123                                *(obj_tptr+3),
1124                                EXTRACT_32BITS(obj_tptr + 4)));
1125                     }
1126                     obj_tlen-=*(obj_tptr+1);
1127                     obj_tptr+=*(obj_tptr+1);
1128                 }
1129                 break;
1130             default:
1131                 hexdump=TRUE;
1132             }
1133             break;
1134
1135         case RSVP_OBJ_HELLO:
1136             switch(rsvp_obj_ctype) {
1137             case RSVP_CTYPE_1:
1138             case RSVP_CTYPE_2:
1139                 if (obj_tlen < 8)
1140                     return-1;
1141                 ND_PRINT((ndo, "%s  Source Instance: 0x%08x, Destination Instance: 0x%08x",
1142                        ident,
1143                        EXTRACT_32BITS(obj_tptr),
1144                        EXTRACT_32BITS(obj_tptr + 4)));
1145                 obj_tlen-=8;
1146                 obj_tptr+=8;
1147                 break;
1148             default:
1149                 hexdump=TRUE;
1150             }
1151             break;
1152
1153         case RSVP_OBJ_RESTART_CAPABILITY:
1154             switch(rsvp_obj_ctype) {
1155             case RSVP_CTYPE_1:
1156                 if (obj_tlen < 8)
1157                     return-1;
1158                 ND_PRINT((ndo, "%s  Restart  Time: %ums, Recovery Time: %ums",
1159                        ident,
1160                        EXTRACT_32BITS(obj_tptr),
1161                        EXTRACT_32BITS(obj_tptr + 4)));
1162                 obj_tlen-=8;
1163                 obj_tptr+=8;
1164                 break;
1165             default:
1166                 hexdump=TRUE;
1167             }
1168             break;
1169
1170         case RSVP_OBJ_SESSION_ATTRIBUTE:
1171             switch(rsvp_obj_ctype) {
1172             case RSVP_CTYPE_TUNNEL_IPV4:
1173                 if (obj_tlen < 4)
1174                     return-1;
1175                 namelen = *(obj_tptr+3);
1176                 if (obj_tlen < 4+namelen)
1177                     return-1;
1178                 ND_PRINT((ndo, "%s  Session Name: ", ident));
1179                 for (i = 0; i < namelen; i++)
1180                     safeputchar(ndo, *(obj_tptr + 4 + i));
1181                 ND_PRINT((ndo, "%s  Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
1182                        ident,
1183                        (int)*obj_tptr,
1184                        (int)*(obj_tptr+1),
1185                        bittok2str(rsvp_session_attribute_flag_values,
1186                                   "none",
1187                                   *(obj_tptr+2)),
1188                        *(obj_tptr + 2)));
1189                 obj_tlen-=4+*(obj_tptr+3);
1190                 obj_tptr+=4+*(obj_tptr+3);
1191                 break;
1192             default:
1193                 hexdump=TRUE;
1194             }
1195             break;
1196
1197         case RSVP_OBJ_GENERALIZED_UNI:
1198             switch(rsvp_obj_ctype) {
1199                 int subobj_type,af,subobj_len,total_subobj_len;
1200
1201             case RSVP_CTYPE_1:
1202
1203                 if (obj_tlen < 4)
1204                     return-1;
1205
1206                 /* read variable length subobjects */
1207                 total_subobj_len = obj_tlen;
1208                 while(total_subobj_len > 0) {
1209                     /* If RFC 3476 Section 3.1 defined that a sub-object of the
1210                      * GENERALIZED_UNI RSVP object must have the Length field as
1211                      * a multiple of 4, instead of the check below it would be
1212                      * better to test total_subobj_len only once before the loop.
1213                      * So long as it does not define it and this while loop does
1214                      * not implement such a requirement, let's accept that within
1215                      * each iteration subobj_len may happen to be a multiple of 1
1216                      * and test it and total_subobj_len respectively.
1217                      */
1218                     if (total_subobj_len < 4)
1219                         goto invalid;
1220                     subobj_len  = EXTRACT_16BITS(obj_tptr);
1221                     subobj_type = (EXTRACT_16BITS(obj_tptr+2))>>8;
1222                     af = (EXTRACT_16BITS(obj_tptr+2))&0x00FF;
1223
1224                     ND_PRINT((ndo, "%s  Subobject Type: %s (%u), AF: %s (%u), length: %u",
1225                            ident,
1226                            tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
1227                            subobj_type,
1228                            tok2str(af_values, "Unknown", af), af,
1229                            subobj_len));
1230
1231                     /* In addition to what is explained above, the same spec does not
1232                      * explicitly say that the same Length field includes the 4-octet
1233                      * sub-object header, but as long as this while loop implements it
1234                      * as it does include, let's keep the check below consistent with
1235                      * the rest of the code.
1236                      */
1237                     if(subobj_len < 4 || subobj_len > total_subobj_len)
1238                         goto invalid;
1239
1240                     switch(subobj_type) {
1241                     case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
1242                     case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
1243
1244                         switch(af) {
1245                         case AFNUM_INET:
1246                             if (subobj_len < 8)
1247                                 return -1;
1248                             ND_PRINT((ndo, "%s    UNI IPv4 TNA address: %s",
1249                                    ident, ipaddr_string(ndo, obj_tptr + 4)));
1250                             break;
1251                         case AFNUM_INET6:
1252                             if (subobj_len < 20)
1253                                 return -1;
1254                             ND_PRINT((ndo, "%s    UNI IPv6 TNA address: %s",
1255                                    ident, ip6addr_string(ndo, obj_tptr + 4)));
1256                             break;
1257                         case AFNUM_NSAP:
1258                             if (subobj_len) {
1259                                 /* unless we have a TLV parser lets just hexdump */
1260                                 hexdump=TRUE;
1261                             }
1262                             break;
1263                         }
1264                         break;
1265
1266                     case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
1267                         if (subobj_len) {
1268                             /* unless we have a TLV parser lets just hexdump */
1269                             hexdump=TRUE;
1270                         }
1271                         break;
1272
1273                     case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
1274                         if (subobj_len < 16) {
1275                             return -1;
1276                         }
1277
1278                         ND_PRINT((ndo, "%s    U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
1279                                ident,
1280                                ((EXTRACT_32BITS(obj_tptr+4))>>31),
1281                                ((EXTRACT_32BITS(obj_tptr+4))&0xFF),
1282                                EXTRACT_32BITS(obj_tptr+8),
1283                                EXTRACT_32BITS(obj_tptr + 12)));
1284                         break;
1285
1286                     case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
1287                         if (subobj_len < 8) {
1288                             return -1;
1289                         }
1290
1291                         ND_PRINT((ndo, "%s    Service level: %u",
1292                                ident, (EXTRACT_32BITS(obj_tptr + 4)) >> 24));
1293                         break;
1294
1295                     default:
1296                         hexdump=TRUE;
1297                         break;
1298                     }
1299                     total_subobj_len-=subobj_len;
1300                     obj_tptr+=subobj_len;
1301                     obj_tlen+=subobj_len;
1302                 }
1303
1304                 if (total_subobj_len) {
1305                     /* unless we have a TLV parser lets just hexdump */
1306                     hexdump=TRUE;
1307                 }
1308                 break;
1309
1310             default:
1311                 hexdump=TRUE;
1312             }
1313             break;
1314
1315         case RSVP_OBJ_RSVP_HOP:
1316             switch(rsvp_obj_ctype) {
1317             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1318             case RSVP_CTYPE_IPV4:
1319                 if (obj_tlen < 8)
1320                     return-1;
1321                 ND_PRINT((ndo, "%s  Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1322                        ident,
1323                        ipaddr_string(ndo, obj_tptr),
1324                        EXTRACT_32BITS(obj_tptr + 4)));
1325                 obj_tlen-=8;
1326                 obj_tptr+=8;
1327                 if (obj_tlen)
1328                     hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1329                 break;
1330             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1331             case RSVP_CTYPE_IPV6:
1332                 if (obj_tlen < 20)
1333                     return-1;
1334                 ND_PRINT((ndo, "%s  Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
1335                        ident,
1336                        ip6addr_string(ndo, obj_tptr),
1337                        EXTRACT_32BITS(obj_tptr + 16)));
1338                 obj_tlen-=20;
1339                 obj_tptr+=20;
1340                 hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
1341                 break;
1342             default:
1343                 hexdump=TRUE;
1344             }
1345             break;
1346
1347         case RSVP_OBJ_TIME_VALUES:
1348             switch(rsvp_obj_ctype) {
1349             case RSVP_CTYPE_1:
1350                 if (obj_tlen < 4)
1351                     return-1;
1352                 ND_PRINT((ndo, "%s  Refresh Period: %ums",
1353                        ident,
1354                        EXTRACT_32BITS(obj_tptr)));
1355                 obj_tlen-=4;
1356                 obj_tptr+=4;
1357                 break;
1358             default:
1359                 hexdump=TRUE;
1360             }
1361             break;
1362
1363         /* those three objects do share the same semantics */
1364         case RSVP_OBJ_SENDER_TSPEC:
1365         case RSVP_OBJ_ADSPEC:
1366         case RSVP_OBJ_FLOWSPEC:
1367             switch(rsvp_obj_ctype) {
1368             case RSVP_CTYPE_2:
1369                 if (obj_tlen < 4)
1370                     return-1;
1371                 ND_PRINT((ndo, "%s  Msg-Version: %u, length: %u",
1372                        ident,
1373                        (*obj_tptr & 0xf0) >> 4,
1374                        EXTRACT_16BITS(obj_tptr + 2) << 2));
1375                 obj_tptr+=4; /* get to the start of the service header */
1376                 obj_tlen-=4;
1377
1378                 while (obj_tlen >= 4) {
1379                     intserv_serv_tlen=EXTRACT_16BITS(obj_tptr+2)<<2;
1380                     ND_PRINT((ndo, "%s  Service Type: %s (%u), break bit %s set, Service length: %u",
1381                            ident,
1382                            tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)),
1383                            *(obj_tptr),
1384                            (*(obj_tptr+1)&0x80) ? "" : "not",
1385                            intserv_serv_tlen));
1386
1387                     obj_tptr+=4; /* get to the start of the parameter list */
1388                     obj_tlen-=4;
1389
1390                     while (intserv_serv_tlen>=4) {
1391                         processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
1392                         if (processed == 0)
1393                             break;
1394                         obj_tlen-=processed;
1395                         intserv_serv_tlen-=processed;
1396                         obj_tptr+=processed;
1397                     }
1398                 }
1399                 break;
1400             default:
1401                 hexdump=TRUE;
1402             }
1403             break;
1404
1405         case RSVP_OBJ_FILTERSPEC:
1406             switch(rsvp_obj_ctype) {
1407             case RSVP_CTYPE_IPV4:
1408                 if (obj_tlen < 8)
1409                     return-1;
1410                 ND_PRINT((ndo, "%s  Source Address: %s, Source Port: %u",
1411                        ident,
1412                        ipaddr_string(ndo, obj_tptr),
1413                        EXTRACT_16BITS(obj_tptr + 6)));
1414                 obj_tlen-=8;
1415                 obj_tptr+=8;
1416                 break;
1417             case RSVP_CTYPE_IPV6:
1418                 if (obj_tlen < 20)
1419                     return-1;
1420                 ND_PRINT((ndo, "%s  Source Address: %s, Source Port: %u",
1421                        ident,
1422                        ip6addr_string(ndo, obj_tptr),
1423                        EXTRACT_16BITS(obj_tptr + 18)));
1424                 obj_tlen-=20;
1425                 obj_tptr+=20;
1426                 break;
1427             case RSVP_CTYPE_3:
1428                 if (obj_tlen < 20)
1429                     return-1;
1430                 ND_PRINT((ndo, "%s  Source Address: %s, Flow Label: %u",
1431                        ident,
1432                        ip6addr_string(ndo, obj_tptr),
1433                        EXTRACT_24BITS(obj_tptr + 17)));
1434                 obj_tlen-=20;
1435                 obj_tptr+=20;
1436                 break;
1437             case RSVP_CTYPE_TUNNEL_IPV6:
1438                 if (obj_tlen < 20)
1439                     return-1;
1440                 ND_PRINT((ndo, "%s  Source Address: %s, LSP-ID: 0x%04x",
1441                        ident,
1442                        ipaddr_string(ndo, obj_tptr),
1443                        EXTRACT_16BITS(obj_tptr + 18)));
1444                 obj_tlen-=20;
1445                 obj_tptr+=20;
1446                 break;
1447             case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
1448                 if (obj_tlen < 40)
1449                     return-1;
1450                 ND_PRINT((ndo, "%s  IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1451                        "%s  Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1452                        ident,
1453                        ip6addr_string(ndo, obj_tptr),
1454                        EXTRACT_16BITS(obj_tptr+18),
1455                        ident,
1456                        ip6addr_string(ndo, obj_tptr+20),
1457                        EXTRACT_16BITS(obj_tptr + 38)));
1458                 obj_tlen-=40;
1459                 obj_tptr+=40;
1460                 break;
1461             case RSVP_CTYPE_TUNNEL_IPV4:
1462                 if (obj_tlen < 8)
1463                     return-1;
1464                 ND_PRINT((ndo, "%s  Source Address: %s, LSP-ID: 0x%04x",
1465                        ident,
1466                        ipaddr_string(ndo, obj_tptr),
1467                        EXTRACT_16BITS(obj_tptr + 6)));
1468                 obj_tlen-=8;
1469                 obj_tptr+=8;
1470                 break;
1471             case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
1472                 if (obj_tlen < 16)
1473                     return-1;
1474                 ND_PRINT((ndo, "%s  IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
1475                        "%s  Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
1476                        ident,
1477                        ipaddr_string(ndo, obj_tptr),
1478                        EXTRACT_16BITS(obj_tptr+6),
1479                        ident,
1480                        ipaddr_string(ndo, obj_tptr+8),
1481                        EXTRACT_16BITS(obj_tptr + 12)));
1482                 obj_tlen-=16;
1483                 obj_tptr+=16;
1484                 break;
1485             default:
1486                 hexdump=TRUE;
1487             }
1488             break;
1489
1490         case RSVP_OBJ_FASTREROUTE:
1491             /* the differences between c-type 1 and 7 are minor */
1492             obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
1493
1494             switch(rsvp_obj_ctype) {
1495             case RSVP_CTYPE_1: /* new style */
1496                 if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
1497                     return-1;
1498                 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1499                 ND_PRINT((ndo, "%s  Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1500                        ident,
1501                        (int)obj_ptr.rsvp_obj_frr->setup_prio,
1502                        (int)obj_ptr.rsvp_obj_frr->hold_prio,
1503                        (int)obj_ptr.rsvp_obj_frr->hop_limit,
1504                         bw.f * 8 / 1000000));
1505                 ND_PRINT((ndo, "%s  Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
1506                        ident,
1507                        EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1508                        EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any),
1509                        EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_all)));
1510                 obj_tlen-=sizeof(struct rsvp_obj_frr_t);
1511                 obj_tptr+=sizeof(struct rsvp_obj_frr_t);
1512                 break;
1513
1514             case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
1515                 if (obj_tlen < 16)
1516                     return-1;
1517                 bw.i = EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->bandwidth);
1518                 ND_PRINT((ndo, "%s  Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
1519                        ident,
1520                        (int)obj_ptr.rsvp_obj_frr->setup_prio,
1521                        (int)obj_ptr.rsvp_obj_frr->hold_prio,
1522                        (int)obj_ptr.rsvp_obj_frr->hop_limit,
1523                         bw.f * 8 / 1000000));
1524                 ND_PRINT((ndo, "%s  Include Colors: 0x%08x, Exclude Colors: 0x%08x",
1525                        ident,
1526                        EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->include_any),
1527                        EXTRACT_32BITS(obj_ptr.rsvp_obj_frr->exclude_any)));
1528                 obj_tlen-=16;
1529                 obj_tptr+=16;
1530                 break;
1531
1532             default:
1533                 hexdump=TRUE;
1534             }
1535             break;
1536
1537         case RSVP_OBJ_DETOUR:
1538             switch(rsvp_obj_ctype) {
1539             case RSVP_CTYPE_TUNNEL_IPV4:
1540                 while(obj_tlen >= 8) {
1541                     ND_PRINT((ndo, "%s  PLR-ID: %s, Avoid-Node-ID: %s",
1542                            ident,
1543                            ipaddr_string(ndo, obj_tptr),
1544                            ipaddr_string(ndo, obj_tptr + 4)));
1545                     obj_tlen-=8;
1546                     obj_tptr+=8;
1547                 }
1548                 break;
1549             default:
1550                 hexdump=TRUE;
1551             }
1552             break;
1553
1554         case RSVP_OBJ_CLASSTYPE:
1555         case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
1556             switch(rsvp_obj_ctype) {
1557             case RSVP_CTYPE_1:
1558                 ND_TCHECK_32BITS(obj_tptr);
1559                 ND_PRINT((ndo, "%s  CT: %u",
1560                        ident,
1561                        EXTRACT_32BITS(obj_tptr) & 0x7));
1562                 obj_tlen-=4;
1563                 obj_tptr+=4;
1564                 break;
1565             default:
1566                 hexdump=TRUE;
1567             }
1568             break;
1569
1570         case RSVP_OBJ_ERROR_SPEC:
1571             switch(rsvp_obj_ctype) {
1572             case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
1573             case RSVP_CTYPE_IPV4:
1574                 if (obj_tlen < 8)
1575                     return-1;
1576                 error_code=*(obj_tptr+5);
1577                 error_value=EXTRACT_16BITS(obj_tptr+6);
1578                 ND_PRINT((ndo, "%s  Error Node Address: %s, Flags: [0x%02x]%s  Error Code: %s (%u)",
1579                        ident,
1580                        ipaddr_string(ndo, obj_tptr),
1581                        *(obj_tptr+4),
1582                        ident,
1583                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1584                        error_code));
1585                 switch (error_code) {
1586                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1587                     ND_PRINT((ndo, ", Error Value: %s (%u)",
1588                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1589                            error_value));
1590                     break;
1591                 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
1592                 case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
1593                     ND_PRINT((ndo, ", Error Value: %s (%u)",
1594                            tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
1595                            error_value));
1596                     break;
1597                 default:
1598                     ND_PRINT((ndo, ", Unknown Error Value (%u)", error_value));
1599                     break;
1600                 }
1601                 obj_tlen-=8;
1602                 obj_tptr+=8;
1603                 break;
1604             case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
1605             case RSVP_CTYPE_IPV6:
1606                 if (obj_tlen < 20)
1607                     return-1;
1608                 error_code=*(obj_tptr+17);
1609                 error_value=EXTRACT_16BITS(obj_tptr+18);
1610                 ND_PRINT((ndo, "%s  Error Node Address: %s, Flags: [0x%02x]%s  Error Code: %s (%u)",
1611                        ident,
1612                        ip6addr_string(ndo, obj_tptr),
1613                        *(obj_tptr+16),
1614                        ident,
1615                        tok2str(rsvp_obj_error_code_values,"unknown",error_code),
1616                        error_code));
1617
1618                 switch (error_code) {
1619                 case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
1620                     ND_PRINT((ndo, ", Error Value: %s (%u)",
1621                            tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
1622                            error_value));
1623                     break;
1624                 default:
1625                     break;
1626                 }
1627                 obj_tlen-=20;
1628                 obj_tptr+=20;
1629                 break;
1630             default:
1631                 hexdump=TRUE;
1632             }
1633             break;
1634
1635         case RSVP_OBJ_PROPERTIES:
1636             switch(rsvp_obj_ctype) {
1637             case RSVP_CTYPE_1:
1638                 if (obj_tlen < 4)
1639                     return-1;
1640                 padbytes = EXTRACT_16BITS(obj_tptr+2);
1641                 ND_PRINT((ndo, "%s  TLV count: %u, padding bytes: %u",
1642                        ident,
1643                        EXTRACT_16BITS(obj_tptr),
1644                        padbytes));
1645                 obj_tlen-=4;
1646                 obj_tptr+=4;
1647                 /* loop through as long there is anything longer than the TLV header (2) */
1648                 while(obj_tlen >= 2 + padbytes) {
1649                     ND_PRINT((ndo, "%s    %s TLV (0x%02x), length: %u", /* length includes header */
1650                            ident,
1651                            tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
1652                            *obj_tptr,
1653                            *(obj_tptr + 1)));
1654                     if (obj_tlen < *(obj_tptr+1))
1655                         return-1;
1656                     if (*(obj_tptr+1) < 2)
1657                         return -1;
1658                     print_unknown_data(ndo, obj_tptr + 2, "\n\t\t", *(obj_tptr + 1) - 2);
1659                     obj_tlen-=*(obj_tptr+1);
1660                     obj_tptr+=*(obj_tptr+1);
1661                 }
1662                 break;
1663             default:
1664                 hexdump=TRUE;
1665             }
1666             break;
1667
1668         case RSVP_OBJ_MESSAGE_ID:     /* fall through */
1669         case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
1670         case RSVP_OBJ_MESSAGE_ID_LIST:
1671             switch(rsvp_obj_ctype) {
1672             case RSVP_CTYPE_1:
1673             case RSVP_CTYPE_2:
1674                 if (obj_tlen < 8)
1675                     return-1;
1676                 ND_PRINT((ndo, "%s  Flags [0x%02x], epoch: %u",
1677                        ident,
1678                        *obj_tptr,
1679                        EXTRACT_24BITS(obj_tptr + 1)));
1680                 obj_tlen-=4;
1681                 obj_tptr+=4;
1682                 /* loop through as long there are no messages left */
1683                 while(obj_tlen >= 4) {
1684                     ND_PRINT((ndo, "%s    Message-ID 0x%08x (%u)",
1685                            ident,
1686                            EXTRACT_32BITS(obj_tptr),
1687                            EXTRACT_32BITS(obj_tptr)));
1688                     obj_tlen-=4;
1689                     obj_tptr+=4;
1690                 }
1691                 break;
1692             default:
1693                 hexdump=TRUE;
1694             }
1695             break;
1696
1697         case RSVP_OBJ_INTEGRITY:
1698             switch(rsvp_obj_ctype) {
1699             case RSVP_CTYPE_1:
1700                 if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
1701                     return-1;
1702                 obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
1703                 ND_PRINT((ndo, "%s  Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
1704                        ident,
1705                        EXTRACT_16BITS(obj_ptr.rsvp_obj_integrity->key_id),
1706                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->key_id+2),
1707                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence),
1708                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->sequence+4),
1709                        bittok2str(rsvp_obj_integrity_flag_values,
1710                                   "none",
1711                                   obj_ptr.rsvp_obj_integrity->flags)));
1712                 ND_PRINT((ndo, "%s  MD5-sum 0x%08x%08x%08x%08x ",
1713                        ident,
1714                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest),
1715                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+4),
1716                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest+8),
1717                        EXTRACT_32BITS(obj_ptr.rsvp_obj_integrity->digest + 12)));
1718
1719                 sigcheck = signature_verify(ndo, pptr, plen,
1720                                             obj_ptr.rsvp_obj_integrity->digest,
1721                                             rsvp_clear_checksum,
1722                                             rsvp_com_header);
1723                 ND_PRINT((ndo, " (%s)", tok2str(signature_check_values, "Unknown", sigcheck)));
1724
1725                 obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
1726                 obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
1727                 break;
1728             default:
1729                 hexdump=TRUE;
1730             }
1731             break;
1732
1733         case RSVP_OBJ_ADMIN_STATUS:
1734             switch(rsvp_obj_ctype) {
1735             case RSVP_CTYPE_1:
1736                 if (obj_tlen < 4)
1737                     return-1;
1738                 ND_PRINT((ndo, "%s  Flags [%s]", ident,
1739                        bittok2str(rsvp_obj_admin_status_flag_values, "none",
1740                                   EXTRACT_32BITS(obj_tptr))));
1741                 obj_tlen-=4;
1742                 obj_tptr+=4;
1743                 break;
1744             default:
1745                 hexdump=TRUE;
1746             }
1747             break;
1748
1749         case RSVP_OBJ_LABEL_SET:
1750             switch(rsvp_obj_ctype) {
1751             case RSVP_CTYPE_1:
1752                 if (obj_tlen < 4)
1753                     return-1;
1754                 action = (EXTRACT_16BITS(obj_tptr)>>8);
1755
1756                 ND_PRINT((ndo, "%s  Action: %s (%u), Label type: %u", ident,
1757                        tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
1758                        action, ((EXTRACT_32BITS(obj_tptr) & 0x7F))));
1759
1760                 switch (action) {
1761                 case LABEL_SET_INCLUSIVE_RANGE:
1762                 case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
1763
1764                     /* only a couple of subchannels are expected */
1765                     if (obj_tlen < 12)
1766                         return -1;
1767                     ND_PRINT((ndo, "%s  Start range: %u, End range: %u", ident,
1768                            EXTRACT_32BITS(obj_tptr+4),
1769                            EXTRACT_32BITS(obj_tptr + 8)));
1770                     obj_tlen-=12;
1771                     obj_tptr+=12;
1772                     break;
1773
1774                 default:
1775                     obj_tlen-=4;
1776                     obj_tptr+=4;
1777                     subchannel = 1;
1778                     while(obj_tlen >= 4 ) {
1779                         ND_PRINT((ndo, "%s  Subchannel #%u: %u", ident, subchannel,
1780                                EXTRACT_32BITS(obj_tptr)));
1781                         obj_tptr+=4;
1782                         obj_tlen-=4;
1783                         subchannel++;
1784                     }
1785                     break;
1786                 }
1787                 break;
1788             default:
1789                 hexdump=TRUE;
1790             }
1791
1792         case RSVP_OBJ_S2L:
1793             switch (rsvp_obj_ctype) {
1794             case RSVP_CTYPE_IPV4:
1795                 if (obj_tlen < 4)
1796                     return-1;
1797                 ND_PRINT((ndo, "%s  Sub-LSP destination address: %s",
1798                        ident, ipaddr_string(ndo, obj_tptr)));
1799
1800                 obj_tlen-=4;
1801                 obj_tptr+=4;
1802                 break;
1803             case RSVP_CTYPE_IPV6:
1804                 if (obj_tlen < 16)
1805                     return-1;
1806                 ND_PRINT((ndo, "%s  Sub-LSP destination address: %s",
1807                        ident, ip6addr_string(ndo, obj_tptr)));
1808
1809                 obj_tlen-=16;
1810                 obj_tptr+=16;
1811                 break;
1812             default:
1813                 hexdump=TRUE;
1814             }
1815
1816         /*
1817          *  FIXME those are the defined objects that lack a decoder
1818          *  you are welcome to contribute code ;-)
1819          */
1820
1821         case RSVP_OBJ_SCOPE:
1822         case RSVP_OBJ_POLICY_DATA:
1823         case RSVP_OBJ_ACCEPT_LABEL_SET:
1824         case RSVP_OBJ_PROTECTION:
1825         default:
1826             if (ndo->ndo_vflag <= 1)
1827                 print_unknown_data(ndo, obj_tptr, "\n\t    ", obj_tlen); /* FIXME indentation */
1828             break;
1829         }
1830         /* do we also want to see a hex dump ? */
1831         if (ndo->ndo_vflag > 1 || hexdump == TRUE)
1832             print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t    ", /* FIXME indentation */
1833                                rsvp_obj_len - sizeof(struct rsvp_object_header));
1834
1835         tptr+=rsvp_obj_len;
1836         tlen-=rsvp_obj_len;
1837     }
1838     return 0;
1839 invalid:
1840     ND_PRINT((ndo, "%s", istr));
1841     return -1;
1842 trunc:
1843     ND_PRINT((ndo, "\n\t\t"));
1844     ND_PRINT((ndo, "%s", tstr));
1845     return -1;
1846 }
1847
1848 void
1849 rsvp_print(netdissect_options *ndo,
1850            register const u_char *pptr, register u_int len)
1851 {
1852     const struct rsvp_common_header *rsvp_com_header;
1853     const u_char *tptr;
1854     u_short plen, tlen;
1855
1856     tptr=pptr;
1857
1858     rsvp_com_header = (const struct rsvp_common_header *)pptr;
1859     ND_TCHECK(*rsvp_com_header);
1860
1861     /*
1862      * Sanity checking of the header.
1863      */
1864     if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1865         ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1866                RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1867         return;
1868     }
1869
1870     /* in non-verbose mode just lets print the basic Message Type*/
1871     if (ndo->ndo_vflag < 1) {
1872         ND_PRINT((ndo, "RSVPv%u %s Message, length: %u",
1873                RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1874                tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type),
1875                len));
1876         return;
1877     }
1878
1879     /* ok they seem to want to know everything - lets fully decode it */
1880
1881     plen = tlen = EXTRACT_16BITS(rsvp_com_header->length);
1882
1883     ND_PRINT((ndo, "\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1884            RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1885            tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1886            rsvp_com_header->msg_type,
1887            bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1888            tlen,
1889            rsvp_com_header->ttl,
1890            EXTRACT_16BITS(rsvp_com_header->checksum)));
1891
1892     if (tlen < sizeof(const struct rsvp_common_header)) {
1893         ND_PRINT((ndo, "ERROR: common header too short %u < %lu", tlen,
1894                (unsigned long)sizeof(const struct rsvp_common_header)));
1895         return;
1896     }
1897
1898     tptr+=sizeof(const struct rsvp_common_header);
1899     tlen-=sizeof(const struct rsvp_common_header);
1900
1901     switch(rsvp_com_header->msg_type) {
1902
1903     case RSVP_MSGTYPE_BUNDLE:
1904         /*
1905          * Process each submessage in the bundle message.
1906          * Bundle messages may not contain bundle submessages, so we don't
1907          * need to handle bundle submessages specially.
1908          */
1909         while(tlen > 0) {
1910             const u_char *subpptr=tptr, *subtptr;
1911             u_short subplen, subtlen;
1912
1913             subtptr=subpptr;
1914
1915             rsvp_com_header = (const struct rsvp_common_header *)subpptr;
1916             ND_TCHECK(*rsvp_com_header);
1917
1918             /*
1919              * Sanity checking of the header.
1920              */
1921             if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) {
1922                 ND_PRINT((ndo, "ERROR: RSVP version %u packet not supported",
1923                        RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)));
1924                 return;
1925             }
1926
1927             subplen = subtlen = EXTRACT_16BITS(rsvp_com_header->length);
1928
1929             ND_PRINT((ndo, "\n\t  RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
1930                    RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags),
1931                    tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type),
1932                    rsvp_com_header->msg_type,
1933                    bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)),
1934                    subtlen,
1935                    rsvp_com_header->ttl,
1936                    EXTRACT_16BITS(rsvp_com_header->checksum)));
1937
1938             if (subtlen < sizeof(const struct rsvp_common_header)) {
1939                 ND_PRINT((ndo, "ERROR: common header too short %u < %lu", subtlen,
1940                        (unsigned long)sizeof(const struct rsvp_common_header)));
1941                 return;
1942             }
1943
1944             if (tlen < subtlen) {
1945                 ND_PRINT((ndo, "ERROR: common header too large %u > %u", subtlen,
1946                        tlen));
1947                 return;
1948             }
1949
1950             subtptr+=sizeof(const struct rsvp_common_header);
1951             subtlen-=sizeof(const struct rsvp_common_header);
1952
1953             /*
1954              * Print all objects in the submessage.
1955              */
1956             if (rsvp_obj_print(ndo, subpptr, subplen, subtptr, "\n\t    ", subtlen, rsvp_com_header) == -1)
1957                 return;
1958
1959             tptr+=subtlen+sizeof(const struct rsvp_common_header);
1960             tlen-=subtlen+sizeof(const struct rsvp_common_header);
1961         }
1962
1963         break;
1964
1965     case RSVP_MSGTYPE_PATH:
1966     case RSVP_MSGTYPE_RESV:
1967     case RSVP_MSGTYPE_PATHERR:
1968     case RSVP_MSGTYPE_RESVERR:
1969     case RSVP_MSGTYPE_PATHTEAR:
1970     case RSVP_MSGTYPE_RESVTEAR:
1971     case RSVP_MSGTYPE_RESVCONF:
1972     case RSVP_MSGTYPE_HELLO_OLD:
1973     case RSVP_MSGTYPE_HELLO:
1974     case RSVP_MSGTYPE_ACK:
1975     case RSVP_MSGTYPE_SREFRESH:
1976         /*
1977          * Print all objects in the message.
1978          */
1979         if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t  ", tlen, rsvp_com_header) == -1)
1980             return;
1981         break;
1982
1983     default:
1984         print_unknown_data(ndo, tptr, "\n\t    ", tlen);
1985         break;
1986     }
1987
1988     return;
1989 trunc:
1990     ND_PRINT((ndo, "\n\t\t"));
1991     ND_PRINT((ndo, "%s", tstr));
1992 }