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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:13:01 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:13:01 +0000
commit7adcb5b605cc1328a3084c334f4697ec9771936c (patch)
tree03e681bfda053978ba896745828e09cb056ad156 /print-rsvp.c
parentInitial commit. (diff)
downloadtcpdump-7adcb5b605cc1328a3084c334f4697ec9771936c.tar.xz
tcpdump-7adcb5b605cc1328a3084c334f4697ec9771936c.zip
Adding upstream version 4.99.4.upstream/4.99.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'print-rsvp.c')
-rw-r--r--print-rsvp.c2069
1 files changed, 2069 insertions, 0 deletions
diff --git a/print-rsvp.c b/print-rsvp.c
new file mode 100644
index 0000000..23b6d5a
--- /dev/null
+++ b/print-rsvp.c
@@ -0,0 +1,2069 @@
+/*
+ * Copyright (c) 1998-2007 The TCPDUMP project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code
+ * distributions retain the above copyright notice and this paragraph
+ * in its entirety, and (2) distributions including binary code include
+ * the above copyright notice and this paragraph in its entirety in
+ * the documentation or other materials provided with the distribution.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
+ * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
+ * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE.
+ *
+ * Original code by Hannes Gredler (hannes@gredler.at)
+ */
+
+/* \summary: Resource ReSerVation Protocol (RSVP) printer */
+
+/* specification: RFC 2205 */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "netdissect-stdinc.h"
+
+#include "netdissect.h"
+#include "extract.h"
+#include "addrtoname.h"
+#include "ethertype.h"
+#include "gmpls.h"
+#include "af.h"
+#include "signature.h"
+
+
+/*
+ * RFC 2205 common header
+ *
+ * 0 1 2 3
+ * +-------------+-------------+-------------+-------------+
+ * | Vers | Flags| Msg Type | RSVP Checksum |
+ * +-------------+-------------+-------------+-------------+
+ * | Send_TTL | (Reserved) | RSVP Length |
+ * +-------------+-------------+-------------+-------------+
+ *
+ */
+
+struct rsvp_common_header {
+ nd_uint8_t version_flags;
+ nd_uint8_t msg_type;
+ nd_uint16_t checksum;
+ nd_uint8_t ttl;
+ nd_byte reserved[1];
+ nd_uint16_t length;
+};
+
+/*
+ * RFC2205 object header
+ *
+ *
+ * 0 1 2 3
+ * +-------------+-------------+-------------+-------------+
+ * | Length (bytes) | Class-Num | C-Type |
+ * +-------------+-------------+-------------+-------------+
+ * | |
+ * // (Object contents) //
+ * | |
+ * +-------------+-------------+-------------+-------------+
+ */
+
+struct rsvp_object_header {
+ nd_uint16_t length;
+ nd_uint8_t class_num;
+ nd_uint8_t ctype;
+};
+
+#define RSVP_VERSION 1
+#define RSVP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
+#define RSVP_EXTRACT_FLAGS(x) ((x)&0x0f)
+
+#define RSVP_MSGTYPE_PATH 1
+#define RSVP_MSGTYPE_RESV 2
+#define RSVP_MSGTYPE_PATHERR 3
+#define RSVP_MSGTYPE_RESVERR 4
+#define RSVP_MSGTYPE_PATHTEAR 5
+#define RSVP_MSGTYPE_RESVTEAR 6
+#define RSVP_MSGTYPE_RESVCONF 7
+#define RSVP_MSGTYPE_BUNDLE 12
+#define RSVP_MSGTYPE_ACK 13
+#define RSVP_MSGTYPE_HELLO_OLD 14 /* ancient Hellos */
+#define RSVP_MSGTYPE_SREFRESH 15
+#define RSVP_MSGTYPE_HELLO 20
+
+static const struct tok rsvp_msg_type_values[] = {
+ { RSVP_MSGTYPE_PATH, "Path" },
+ { RSVP_MSGTYPE_RESV, "Resv" },
+ { RSVP_MSGTYPE_PATHERR, "PathErr" },
+ { RSVP_MSGTYPE_RESVERR, "ResvErr" },
+ { RSVP_MSGTYPE_PATHTEAR, "PathTear" },
+ { RSVP_MSGTYPE_RESVTEAR, "ResvTear" },
+ { RSVP_MSGTYPE_RESVCONF, "ResvConf" },
+ { RSVP_MSGTYPE_BUNDLE, "Bundle" },
+ { RSVP_MSGTYPE_ACK, "Acknowledgement" },
+ { RSVP_MSGTYPE_HELLO_OLD, "Hello (Old)" },
+ { RSVP_MSGTYPE_SREFRESH, "Refresh" },
+ { RSVP_MSGTYPE_HELLO, "Hello" },
+ { 0, NULL}
+};
+
+static const struct tok rsvp_header_flag_values[] = {
+ { 0x01, "Refresh reduction capable" }, /* rfc2961 */
+ { 0, NULL}
+};
+
+static const struct tok rsvp_obj_capability_flag_values[] = {
+ { 0x0004, "RecoveryPath Transmit Enabled" },
+ { 0x0002, "RecoveryPath Desired" },
+ { 0x0001, "RecoveryPath Srefresh Capable" },
+ { 0, NULL}
+};
+
+#define RSVP_OBJ_SESSION 1 /* rfc2205 */
+#define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */
+#define RSVP_OBJ_INTEGRITY 4 /* rfc2747 */
+#define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */
+#define RSVP_OBJ_ERROR_SPEC 6
+#define RSVP_OBJ_SCOPE 7
+#define RSVP_OBJ_STYLE 8 /* rfc2205 */
+#define RSVP_OBJ_FLOWSPEC 9 /* rfc2215 */
+#define RSVP_OBJ_FILTERSPEC 10 /* rfc2215 */
+#define RSVP_OBJ_SENDER_TEMPLATE 11
+#define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */
+#define RSVP_OBJ_ADSPEC 13 /* rfc2215 */
+#define RSVP_OBJ_POLICY_DATA 14
+#define RSVP_OBJ_CONFIRM 15 /* rfc2205 */
+#define RSVP_OBJ_LABEL 16 /* rfc3209 */
+#define RSVP_OBJ_LABEL_REQ 19 /* rfc3209 */
+#define RSVP_OBJ_ERO 20 /* rfc3209 */
+#define RSVP_OBJ_RRO 21 /* rfc3209 */
+#define RSVP_OBJ_HELLO 22 /* rfc3209 */
+#define RSVP_OBJ_MESSAGE_ID 23 /* rfc2961 */
+#define RSVP_OBJ_MESSAGE_ID_ACK 24 /* rfc2961 */
+#define RSVP_OBJ_MESSAGE_ID_LIST 25 /* rfc2961 */
+#define RSVP_OBJ_RECOVERY_LABEL 34 /* rfc3473 */
+#define RSVP_OBJ_UPSTREAM_LABEL 35 /* rfc3473 */
+#define RSVP_OBJ_LABEL_SET 36 /* rfc3473 */
+#define RSVP_OBJ_PROTECTION 37 /* rfc3473 */
+#define RSVP_OBJ_S2L 50 /* rfc4875 */
+#define RSVP_OBJ_DETOUR 63 /* rfc4090 */
+#define RSVP_OBJ_CLASSTYPE 66 /* rfc4124 */
+#define RSVP_OBJ_CLASSTYPE_OLD 125 /* draft-ietf-tewg-diff-te-proto-07 */
+#define RSVP_OBJ_SUGGESTED_LABEL 129 /* rfc3473 */
+#define RSVP_OBJ_ACCEPT_LABEL_SET 130 /* rfc3473 */
+#define RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
+#define RSVP_OBJ_CAPABILITY 134 /* rfc5063 */
+#define RSVP_OBJ_NOTIFY_REQ 195 /* rfc3473 */
+#define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */
+#define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */
+#define RSVP_OBJ_FASTREROUTE 205 /* rfc4090 */
+#define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */
+#define RSVP_OBJ_GENERALIZED_UNI 229 /* OIF RSVP extensions UNI 1.0 Signaling, Rel. 2 */
+#define RSVP_OBJ_CALL_ID 230 /* rfc3474 */
+#define RSVP_OBJ_CALL_OPS 236 /* rfc3474 */
+
+static const struct tok rsvp_obj_values[] = {
+ { RSVP_OBJ_SESSION, "Session" },
+ { RSVP_OBJ_RSVP_HOP, "RSVP Hop" },
+ { RSVP_OBJ_INTEGRITY, "Integrity" },
+ { RSVP_OBJ_TIME_VALUES, "Time Values" },
+ { RSVP_OBJ_ERROR_SPEC, "Error Spec" },
+ { RSVP_OBJ_SCOPE, "Scope" },
+ { RSVP_OBJ_STYLE, "Style" },
+ { RSVP_OBJ_FLOWSPEC, "Flowspec" },
+ { RSVP_OBJ_FILTERSPEC, "FilterSpec" },
+ { RSVP_OBJ_SENDER_TEMPLATE, "Sender Template" },
+ { RSVP_OBJ_SENDER_TSPEC, "Sender TSpec" },
+ { RSVP_OBJ_ADSPEC, "Adspec" },
+ { RSVP_OBJ_POLICY_DATA, "Policy Data" },
+ { RSVP_OBJ_CONFIRM, "Confirm" },
+ { RSVP_OBJ_LABEL, "Label" },
+ { RSVP_OBJ_LABEL_REQ, "Label Request" },
+ { RSVP_OBJ_ERO, "ERO" },
+ { RSVP_OBJ_RRO, "RRO" },
+ { RSVP_OBJ_HELLO, "Hello" },
+ { RSVP_OBJ_MESSAGE_ID, "Message ID" },
+ { RSVP_OBJ_MESSAGE_ID_ACK, "Message ID Ack" },
+ { RSVP_OBJ_MESSAGE_ID_LIST, "Message ID List" },
+ { RSVP_OBJ_RECOVERY_LABEL, "Recovery Label" },
+ { RSVP_OBJ_UPSTREAM_LABEL, "Upstream Label" },
+ { RSVP_OBJ_LABEL_SET, "Label Set" },
+ { RSVP_OBJ_ACCEPT_LABEL_SET, "Acceptable Label Set" },
+ { RSVP_OBJ_DETOUR, "Detour" },
+ { RSVP_OBJ_CLASSTYPE, "Class Type" },
+ { RSVP_OBJ_CLASSTYPE_OLD, "Class Type (old)" },
+ { RSVP_OBJ_SUGGESTED_LABEL, "Suggested Label" },
+ { RSVP_OBJ_PROPERTIES, "Properties" },
+ { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" },
+ { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" },
+ { RSVP_OBJ_GENERALIZED_UNI, "Generalized UNI" },
+ { RSVP_OBJ_CALL_ID, "Call-ID" },
+ { RSVP_OBJ_CALL_OPS, "Call Capability" },
+ { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
+ { RSVP_OBJ_CAPABILITY, "Capability" },
+ { RSVP_OBJ_NOTIFY_REQ, "Notify Request" },
+ { RSVP_OBJ_PROTECTION, "Protection" },
+ { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" },
+ { RSVP_OBJ_S2L, "Sub-LSP to LSP" },
+ { 0, NULL}
+};
+
+#define RSVP_CTYPE_IPV4 1
+#define RSVP_CTYPE_IPV6 2
+#define RSVP_CTYPE_TUNNEL_IPV4 7
+#define RSVP_CTYPE_TUNNEL_IPV6 8
+#define RSVP_CTYPE_UNI_IPV4 11 /* OIF RSVP extensions UNI 1.0 Signaling Rel. 2 */
+#define RSVP_CTYPE_1 1
+#define RSVP_CTYPE_2 2
+#define RSVP_CTYPE_3 3
+#define RSVP_CTYPE_4 4
+#define RSVP_CTYPE_12 12
+#define RSVP_CTYPE_13 13
+#define RSVP_CTYPE_14 14
+
+/*
+ * the ctypes are not globally unique so for
+ * translating it to strings we build a table based
+ * on objects offsetted by the ctype
+ */
+
+static const struct tok rsvp_ctype_values[] = {
+ { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV4, "IPv4" },
+ { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_IPV6, "IPv6" },
+ { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
+ { 256*RSVP_OBJ_RSVP_HOP+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
+ { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV4, "IPv4" },
+ { 256*RSVP_OBJ_NOTIFY_REQ+RSVP_CTYPE_IPV6, "IPv6" },
+ { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV4, "IPv4" },
+ { 256*RSVP_OBJ_CONFIRM+RSVP_CTYPE_IPV6, "IPv6" },
+ { 256*RSVP_OBJ_TIME_VALUES+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_1, "obsolete" },
+ { 256*RSVP_OBJ_FLOWSPEC+RSVP_CTYPE_2, "IntServ" },
+ { 256*RSVP_OBJ_SENDER_TSPEC+RSVP_CTYPE_2, "IntServ" },
+ { 256*RSVP_OBJ_ADSPEC+RSVP_CTYPE_2, "IntServ" },
+ { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV4, "IPv4" },
+ { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_IPV6, "IPv6" },
+ { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_3, "IPv6 Flow-label" },
+ { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
+ { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
+ { 256*RSVP_OBJ_FILTERSPEC+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
+ { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV4, "IPv4" },
+ { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_IPV6, "IPv6" },
+ { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
+ { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_UNI_IPV4, "UNI IPv4" },
+ { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_13, "IPv4 P2MP LSP Tunnel" },
+ { 256*RSVP_OBJ_SESSION+RSVP_CTYPE_14, "IPv6 P2MP LSP Tunnel" },
+ { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV4, "IPv4" },
+ { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_IPV6, "IPv6" },
+ { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
+ { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_12, "IPv4 P2MP LSP Tunnel" },
+ { 256*RSVP_OBJ_SENDER_TEMPLATE+RSVP_CTYPE_13, "IPv6 P2MP LSP Tunnel" },
+ { 256*RSVP_OBJ_MESSAGE_ID+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "Message id ack" },
+ { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_2, "Message id nack" },
+ { 256*RSVP_OBJ_MESSAGE_ID_LIST+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_STYLE+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_1, "Hello Request" },
+ { 256*RSVP_OBJ_HELLO+RSVP_CTYPE_2, "Hello Ack" },
+ { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_1, "without label range" },
+ { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_2, "with ATM label range" },
+ { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_3, "with FR label range" },
+ { 256*RSVP_OBJ_LABEL_REQ+RSVP_CTYPE_4, "Generalized Label" },
+ { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "Label" },
+ { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_2, "Generalized Label" },
+ { 256*RSVP_OBJ_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
+ { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_1, "Label" },
+ { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_2, "Generalized Label" },
+ { 256*RSVP_OBJ_SUGGESTED_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
+ { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_1, "Label" },
+ { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_2, "Generalized Label" },
+ { 256*RSVP_OBJ_UPSTREAM_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
+ { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_1, "Label" },
+ { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_2, "Generalized Label" },
+ { 256*RSVP_OBJ_RECOVERY_LABEL+RSVP_CTYPE_3, "Waveband Switching" },
+ { 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
+ { 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
+ { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
+ { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
+ { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3, "IPv4 plus opt. TLVs" },
+ { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4, "IPv6 plus opt. TLVs" },
+ { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
+ { 256*RSVP_OBJ_CAPABILITY+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
+ { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, /* old style*/
+ { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1, "1" }, /* new style */
+ { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
+ { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_ADMIN_STATUS+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_CLASSTYPE_OLD+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_LABEL_SET+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_GENERALIZED_UNI+RSVP_CTYPE_1, "1" },
+ { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV4, "IPv4 sub-LSP" },
+ { 256*RSVP_OBJ_S2L+RSVP_CTYPE_IPV6, "IPv6 sub-LSP" },
+ { 0, NULL}
+};
+
+/*
+ * XXX - this assumes a 16-byte digest, which is true for HMAC-MD5, but
+ * isn't necessarily the case for other hash algorithms.
+ *
+ * Unless I've missed something, there's nothing in RFC 2747 to indicate
+ * the hash algorithm being used, so it's presumably something set up
+ * out-of-band, or negotiated by other RSVP objects.
+ */
+struct rsvp_obj_integrity_t {
+ uint8_t flags;
+ uint8_t res;
+ uint8_t key_id[6];
+ uint8_t sequence[8];
+ uint8_t digest[16];
+};
+
+static const struct tok rsvp_obj_integrity_flag_values[] = {
+ { 0x80, "Handshake" },
+ { 0, NULL}
+};
+
+struct rsvp_obj_frr_t {
+ uint8_t setup_prio;
+ uint8_t hold_prio;
+ uint8_t hop_limit;
+ uint8_t flags;
+ uint8_t bandwidth[4];
+ uint8_t include_any[4];
+ uint8_t exclude_any[4];
+ uint8_t include_all[4];
+};
+
+
+#define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
+#define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
+
+#define RSVP_OBJ_CAPABILITY_FLAGS_MASK 0x7U
+
+#define RSVP_OBJ_XRO_RES 0
+#define RSVP_OBJ_XRO_IPV4 1
+#define RSVP_OBJ_XRO_IPV6 2
+#define RSVP_OBJ_XRO_LABEL 3
+#define RSVP_OBJ_XRO_ASN 32
+#define RSVP_OBJ_XRO_MPLS 64
+
+static const struct tok rsvp_obj_xro_values[] = {
+ { RSVP_OBJ_XRO_RES, "Reserved" },
+ { RSVP_OBJ_XRO_IPV4, "IPv4 prefix" },
+ { RSVP_OBJ_XRO_IPV6, "IPv6 prefix" },
+ { RSVP_OBJ_XRO_LABEL, "Label" },
+ { RSVP_OBJ_XRO_ASN, "Autonomous system number" },
+ { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" },
+ { 0, NULL}
+};
+
+/* RFC4090 */
+static const struct tok rsvp_obj_rro_flag_values[] = {
+ { 0x01, "Local protection available" },
+ { 0x02, "Local protection in use" },
+ { 0x04, "Bandwidth protection" },
+ { 0x08, "Node protection" },
+ { 0, NULL}
+};
+
+/* RFC3209 */
+static const struct tok rsvp_obj_rro_label_flag_values[] = {
+ { 0x01, "Global" },
+ { 0, NULL}
+};
+
+static const struct tok rsvp_resstyle_values[] = {
+ { 17, "Wildcard Filter" },
+ { 10, "Fixed Filter" },
+ { 18, "Shared Explicit" },
+ { 0, NULL}
+};
+
+#define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2
+#define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5
+
+static const struct tok rsvp_intserv_service_type_values[] = {
+ { 1, "Default/Global Information" },
+ { RSVP_OBJ_INTSERV_GUARANTEED_SERV, "Guaranteed Service" },
+ { RSVP_OBJ_INTSERV_CONTROLLED_LOAD, "Controlled Load" },
+ { 0, NULL}
+};
+
+static const struct tok rsvp_intserv_parameter_id_values[] = {
+ { 4, "IS hop cnt" },
+ { 6, "Path b/w estimate" },
+ { 8, "Minimum path latency" },
+ { 10, "Composed MTU" },
+ { 127, "Token Bucket TSpec" },
+ { 130, "Guaranteed Service RSpec" },
+ { 133, "End-to-end composed value for C" },
+ { 134, "End-to-end composed value for D" },
+ { 135, "Since-last-reshaping point composed C" },
+ { 136, "Since-last-reshaping point composed D" },
+ { 0, NULL}
+};
+
+static const struct tok rsvp_session_attribute_flag_values[] = {
+ { 0x01, "Local Protection" },
+ { 0x02, "Label Recording" },
+ { 0x04, "SE Style" },
+ { 0x08, "Bandwidth protection" }, /* RFC4090 */
+ { 0x10, "Node protection" }, /* RFC4090 */
+ { 0, NULL}
+};
+
+static const struct tok rsvp_obj_prop_tlv_values[] = {
+ { 0x01, "Cos" },
+ { 0x02, "Metric 1" },
+ { 0x04, "Metric 2" },
+ { 0x08, "CCC Status" },
+ { 0x10, "Path Type" },
+ { 0, NULL}
+};
+
+#define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
+#define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
+#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 28
+#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD 125
+
+static const struct tok rsvp_obj_error_code_values[] = {
+ { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
+ { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
+ { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE, "Diffserv TE Error" },
+ { RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD, "Diffserv TE Error (Old)" },
+ { 0, NULL}
+};
+
+static const struct tok rsvp_obj_error_code_routing_values[] = {
+ { 1, "Bad EXPLICIT_ROUTE object" },
+ { 2, "Bad strict node" },
+ { 3, "Bad loose node" },
+ { 4, "Bad initial subobject" },
+ { 5, "No route available toward destination" },
+ { 6, "Unacceptable label value" },
+ { 7, "RRO indicated routing loops" },
+ { 8, "non-RSVP-capable router in the path" },
+ { 9, "MPLS label allocation failure" },
+ { 10, "Unsupported L3PID" },
+ { 0, NULL}
+};
+
+static const struct tok rsvp_obj_error_code_diffserv_te_values[] = {
+ { 1, "Unexpected CT object" },
+ { 2, "Unsupported CT" },
+ { 3, "Invalid CT value" },
+ { 4, "CT/setup priority do not form a configured TE-Class" },
+ { 5, "CT/holding priority do not form a configured TE-Class" },
+ { 6, "CT/setup priority and CT/holding priority do not form a configured TE-Class" },
+ { 7, "Inconsistency between signaled PSC and signaled CT" },
+ { 8, "Inconsistency between signaled PHBs and signaled CT" },
+ { 0, NULL}
+};
+
+/* rfc3473 / rfc 3471 */
+static const struct tok rsvp_obj_admin_status_flag_values[] = {
+ { 0x80000000, "Reflect" },
+ { 0x00000004, "Testing" },
+ { 0x00000002, "Admin-down" },
+ { 0x00000001, "Delete-in-progress" },
+ { 0, NULL}
+};
+
+/* label set actions - rfc3471 */
+#define LABEL_SET_INCLUSIVE_LIST 0
+#define LABEL_SET_EXCLUSIVE_LIST 1
+#define LABEL_SET_INCLUSIVE_RANGE 2
+#define LABEL_SET_EXCLUSIVE_RANGE 3
+
+static const struct tok rsvp_obj_label_set_action_values[] = {
+ { LABEL_SET_INCLUSIVE_LIST, "Inclusive list" },
+ { LABEL_SET_EXCLUSIVE_LIST, "Exclusive list" },
+ { LABEL_SET_INCLUSIVE_RANGE, "Inclusive range" },
+ { LABEL_SET_EXCLUSIVE_RANGE, "Exclusive range" },
+ { 0, NULL}
+};
+
+/* OIF RSVP extensions UNI 1.0 Signaling, release 2 */
+#define RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS 1
+#define RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS 2
+#define RSVP_GEN_UNI_SUBOBJ_DIVERSITY 3
+#define RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL 4
+#define RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL 5
+
+static const struct tok rsvp_obj_generalized_uni_values[] = {
+ { RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS, "Source TNA address" },
+ { RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS, "Destination TNA address" },
+ { RSVP_GEN_UNI_SUBOBJ_DIVERSITY, "Diversity" },
+ { RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL, "Egress label" },
+ { RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL, "Service level" },
+ { 0, NULL}
+};
+
+/*
+ * this is a dissector for all the intserv defined
+ * specs as defined per rfc2215
+ * it is called from various rsvp objects;
+ * returns the amount of bytes being processed
+ */
+static u_int
+rsvp_intserv_print(netdissect_options *ndo,
+ const u_char *tptr, u_int obj_tlen)
+{
+ u_int parameter_id,parameter_length;
+ union {
+ float f;
+ uint32_t i;
+ } bw;
+
+ if (obj_tlen < 4)
+ return 0;
+ parameter_id = GET_U_1(tptr);
+ parameter_length = GET_BE_U_2(tptr + 2)<<2; /* convert wordcount to bytecount */
+
+ ND_PRINT("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]",
+ tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id),
+ parameter_id,
+ parameter_length,
+ GET_U_1(tptr + 1));
+
+ if (obj_tlen < parameter_length+4)
+ return 0;
+ switch(parameter_id) { /* parameter_id */
+
+ case 4:
+ /*
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | 4 (e) | (f) | 1 (g) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IS hop cnt (32-bit unsigned integer) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+ if (parameter_length == 4) {
+ ND_PRINT("\n\t\tIS hop count: %u", GET_BE_U_4(tptr + 4));
+ }
+ break;
+
+ case 6:
+ /*
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | 6 (h) | (i) | 1 (j) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Path b/w estimate (32-bit IEEE floating point number) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+ if (parameter_length == 4) {
+ bw.i = GET_BE_U_4(tptr + 4);
+ ND_PRINT("\n\t\tPath b/w estimate: %.10g Mbps", bw.f / 125000);
+ }
+ break;
+
+ case 8:
+ /*
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | 8 (k) | (l) | 1 (m) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Minimum path latency (32-bit integer) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+ if (parameter_length == 4) {
+ ND_PRINT("\n\t\tMinimum path latency: ");
+ if (GET_BE_U_4(tptr + 4) == 0xffffffff)
+ ND_PRINT("don't care");
+ else
+ ND_PRINT("%u", GET_BE_U_4(tptr + 4));
+ }
+ break;
+
+ case 10:
+
+ /*
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | 10 (n) | (o) | 1 (p) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Composed MTU (32-bit unsigned integer) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+ if (parameter_length == 4) {
+ ND_PRINT("\n\t\tComposed MTU: %u bytes", GET_BE_U_4(tptr + 4));
+ }
+ break;
+ case 127:
+ /*
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | 127 (e) | 0 (f) | 5 (g) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Token Bucket Rate [r] (32-bit IEEE floating point number) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Token Bucket Size [b] (32-bit IEEE floating point number) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Peak Data Rate [p] (32-bit IEEE floating point number) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Minimum Policed Unit [m] (32-bit integer) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Maximum Packet Size [M] (32-bit integer) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+ if (parameter_length == 20) {
+ ND_TCHECK_LEN(tptr + 4, 20);
+ bw.i = GET_BE_U_4(tptr + 4);
+ ND_PRINT("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f / 125000);
+ bw.i = GET_BE_U_4(tptr + 8);
+ ND_PRINT("\n\t\tToken Bucket Size: %.10g bytes", bw.f);
+ bw.i = GET_BE_U_4(tptr + 12);
+ ND_PRINT("\n\t\tPeak Data Rate: %.10g Mbps", bw.f / 125000);
+ ND_PRINT("\n\t\tMinimum Policed Unit: %u bytes",
+ GET_BE_U_4(tptr + 16));
+ ND_PRINT("\n\t\tMaximum Packet Size: %u bytes",
+ GET_BE_U_4(tptr + 20));
+ }
+ break;
+
+ case 130:
+ /*
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | 130 (h) | 0 (i) | 2 (j) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Rate [R] (32-bit IEEE floating point number) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Slack Term [S] (32-bit integer) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+ if (parameter_length == 8) {
+ ND_TCHECK_8(tptr + 4);
+ bw.i = GET_BE_U_4(tptr + 4);
+ ND_PRINT("\n\t\tRate: %.10g Mbps", bw.f / 125000);
+ ND_PRINT("\n\t\tSlack Term: %u", GET_BE_U_4(tptr + 8));
+ }
+ break;
+
+ case 133:
+ case 134:
+ case 135:
+ case 136:
+ if (parameter_length == 4) {
+ ND_PRINT("\n\t\tValue: %u", GET_BE_U_4(tptr + 4));
+ }
+ break;
+
+ default:
+ if (ndo->ndo_vflag <= 1)
+ print_unknown_data(ndo, tptr + 4, "\n\t\t", parameter_length);
+ }
+ return (parameter_length+4); /* header length 4 bytes */
+
+trunc:
+ nd_print_trunc(ndo);
+ return 0;
+}
+
+/*
+ * Clear checksum prior to signature verification.
+ */
+static void
+rsvp_clear_checksum(void *header)
+{
+ struct rsvp_common_header *rsvp_com_header = (struct rsvp_common_header *) header;
+
+ rsvp_com_header->checksum[0] = 0;
+ rsvp_com_header->checksum[1] = 0;
+}
+
+static int
+rsvp_obj_print(netdissect_options *ndo,
+ const u_char *pptr, u_int plen, const u_char *tptr,
+ const char *indent, u_int tlen,
+ const struct rsvp_common_header *rsvp_com_header)
+{
+ const struct rsvp_object_header *rsvp_obj_header;
+ const u_char *obj_tptr;
+ union {
+ const struct rsvp_obj_integrity_t *rsvp_obj_integrity;
+ const struct rsvp_obj_frr_t *rsvp_obj_frr;
+ } obj_ptr;
+
+ u_short rsvp_obj_len,rsvp_obj_ctype,rsvp_obj_class_num;
+ u_int obj_tlen,intserv_serv_tlen;
+ int hexdump;
+ u_int processed,padbytes,error_code,error_value,i,sigcheck;
+ union {
+ float f;
+ uint32_t i;
+ } bw;
+ u_int namelen;
+
+ u_int action, subchannel;
+
+ while(tlen>=sizeof(struct rsvp_object_header)) {
+ /* did we capture enough for fully decoding the object header ? */
+ ND_TCHECK_LEN(tptr, sizeof(struct rsvp_object_header));
+
+ rsvp_obj_header = (const struct rsvp_object_header *)tptr;
+ rsvp_obj_len=GET_BE_U_2(rsvp_obj_header->length);
+ rsvp_obj_ctype=GET_U_1(rsvp_obj_header->ctype);
+
+ if(rsvp_obj_len % 4) {
+ ND_PRINT("%sERROR: object header size %u not a multiple of 4", indent, rsvp_obj_len);
+ return -1;
+ }
+ if(rsvp_obj_len < sizeof(struct rsvp_object_header)) {
+ ND_PRINT("%sERROR: object header too short %u < %zu", indent, rsvp_obj_len,
+ sizeof(struct rsvp_object_header));
+ return -1;
+ }
+
+ rsvp_obj_class_num = GET_U_1(rsvp_obj_header->class_num);
+ ND_PRINT("%s%s Object (%u) Flags: [%s",
+ indent,
+ tok2str(rsvp_obj_values,
+ "Unknown",
+ rsvp_obj_class_num),
+ rsvp_obj_class_num,
+ (rsvp_obj_class_num & 0x80) ?
+ ((rsvp_obj_class_num & 0x40) ? "ignore and forward" :
+ "ignore silently") :
+ "reject");
+
+ ND_PRINT(" if unknown], Class-Type: %s (%u), length: %u",
+ tok2str(rsvp_ctype_values,
+ "Unknown",
+ (rsvp_obj_class_num<<8)+rsvp_obj_ctype),
+ rsvp_obj_ctype,
+ rsvp_obj_len);
+
+ if(tlen < rsvp_obj_len) {
+ ND_PRINT("%sERROR: object goes past end of objects TLV", indent);
+ return -1;
+ }
+
+ obj_tptr=tptr+sizeof(struct rsvp_object_header);
+ obj_tlen=rsvp_obj_len-sizeof(struct rsvp_object_header);
+
+ /* did we capture enough for fully decoding the object ? */
+ ND_TCHECK_LEN(tptr, rsvp_obj_len);
+ hexdump=FALSE;
+
+ switch(rsvp_obj_class_num) {
+ case RSVP_OBJ_SESSION:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 8)
+ goto obj_tooshort;
+ ND_PRINT("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_U_1(obj_tptr + sizeof(nd_ipv4)));
+ ND_PRINT("%s Flags: [0x%02x], DestPort %u",
+ indent,
+ GET_U_1((obj_tptr + 5)),
+ GET_BE_U_2(obj_tptr + 6));
+ obj_tlen-=8;
+ obj_tptr+=8;
+ break;
+ case RSVP_CTYPE_IPV6:
+ if (obj_tlen < 20)
+ goto obj_tooshort;
+ ND_PRINT("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x",
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr),
+ GET_U_1(obj_tptr + sizeof(nd_ipv6)));
+ ND_PRINT("%s Flags: [0x%02x], DestPort %u",
+ indent,
+ GET_U_1((obj_tptr + sizeof(nd_ipv6) + 1)),
+ GET_BE_U_2(obj_tptr + sizeof(nd_ipv6) + 2));
+ obj_tlen-=20;
+ obj_tptr+=20;
+ break;
+
+ case RSVP_CTYPE_TUNNEL_IPV6:
+ if (obj_tlen < 36)
+ goto obj_tooshort;
+ ND_PRINT("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 18),
+ GET_IP6ADDR_STRING(obj_tptr + 20));
+ obj_tlen-=36;
+ obj_tptr+=36;
+ break;
+
+ case RSVP_CTYPE_14: /* IPv6 p2mp LSP Tunnel */
+ if (obj_tlen < 26)
+ goto obj_tooshort;
+ ND_PRINT("%s IPv6 P2MP LSP ID: 0x%08x, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
+ indent,
+ GET_BE_U_4(obj_tptr),
+ GET_BE_U_2(obj_tptr + 6),
+ GET_IP6ADDR_STRING(obj_tptr + 8));
+ obj_tlen-=26;
+ obj_tptr+=26;
+ break;
+ case RSVP_CTYPE_13: /* IPv4 p2mp LSP Tunnel */
+ if (obj_tlen < 12)
+ goto obj_tooshort;
+ ND_PRINT("%s IPv4 P2MP LSP ID: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 6),
+ GET_IPADDR_STRING(obj_tptr + 8));
+ obj_tlen-=12;
+ obj_tptr+=12;
+ break;
+ case RSVP_CTYPE_TUNNEL_IPV4:
+ case RSVP_CTYPE_UNI_IPV4:
+ if (obj_tlen < 12)
+ goto obj_tooshort;
+ ND_PRINT("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 6),
+ GET_IPADDR_STRING(obj_tptr + 8));
+ obj_tlen-=12;
+ obj_tptr+=12;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_CONFIRM:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_IPV4:
+ if (obj_tlen < sizeof(nd_ipv4))
+ goto obj_tooshort;
+ ND_PRINT("%s IPv4 Receiver Address: %s",
+ indent,
+ GET_IPADDR_STRING(obj_tptr));
+ obj_tlen-=sizeof(nd_ipv4);
+ obj_tptr+=sizeof(nd_ipv4);
+ break;
+ case RSVP_CTYPE_IPV6:
+ if (obj_tlen < sizeof(nd_ipv6))
+ goto obj_tooshort;
+ ND_PRINT("%s IPv6 Receiver Address: %s",
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr));
+ obj_tlen-=sizeof(nd_ipv6);
+ obj_tptr+=sizeof(nd_ipv6);
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_NOTIFY_REQ:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_IPV4:
+ if (obj_tlen < sizeof(nd_ipv4))
+ goto obj_tooshort;
+ ND_PRINT("%s IPv4 Notify Node Address: %s",
+ indent,
+ GET_IPADDR_STRING(obj_tptr));
+ obj_tlen-=sizeof(nd_ipv4);
+ obj_tptr+=sizeof(nd_ipv4);
+ break;
+ case RSVP_CTYPE_IPV6:
+ if (obj_tlen < sizeof(nd_ipv6))
+ goto obj_tooshort;
+ ND_PRINT("%s IPv6 Notify Node Address: %s",
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr));
+ obj_tlen-=sizeof(nd_ipv6);
+ obj_tptr+=sizeof(nd_ipv6);
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_SUGGESTED_LABEL: /* fall through */
+ case RSVP_OBJ_UPSTREAM_LABEL: /* fall through */
+ case RSVP_OBJ_RECOVERY_LABEL: /* fall through */
+ case RSVP_OBJ_LABEL:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ while(obj_tlen >= 4 ) {
+ ND_PRINT("%s Label: %u", indent, GET_BE_U_4(obj_tptr));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ }
+ break;
+ case RSVP_CTYPE_2:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ ND_PRINT("%s Generalized Label: %u",
+ indent,
+ GET_BE_U_4(obj_tptr));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ break;
+ case RSVP_CTYPE_3:
+ if (obj_tlen < 12)
+ goto obj_tooshort;
+ ND_PRINT("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u",
+ indent,
+ GET_BE_U_4(obj_tptr),
+ indent,
+ GET_BE_U_4(obj_tptr + 4),
+ GET_BE_U_4(obj_tptr + 8));
+ obj_tlen-=12;
+ obj_tptr+=12;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_STYLE:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ ND_PRINT("%s Reservation Style: %s, Flags: [0x%02x]",
+ indent,
+ tok2str(rsvp_resstyle_values,
+ "Unknown",
+ GET_BE_U_3(obj_tptr + 1)),
+ GET_U_1(obj_tptr));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_SENDER_TEMPLATE:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 8)
+ goto obj_tooshort;
+ ND_PRINT("%s Source Address: %s, Source Port: %u",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 6));
+ obj_tlen-=8;
+ obj_tptr+=8;
+ break;
+ case RSVP_CTYPE_IPV6:
+ if (obj_tlen < 20)
+ goto obj_tooshort;
+ ND_PRINT("%s Source Address: %s, Source Port: %u",
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 18));
+ obj_tlen-=20;
+ obj_tptr+=20;
+ break;
+ case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
+ if (obj_tlen < 40)
+ goto obj_tooshort;
+ ND_PRINT("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
+ "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 18),
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr+20),
+ GET_BE_U_2(obj_tptr + 38));
+ obj_tlen-=40;
+ obj_tptr+=40;
+ break;
+ case RSVP_CTYPE_TUNNEL_IPV4:
+ if (obj_tlen < 8)
+ goto obj_tooshort;
+ ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 6));
+ obj_tlen-=8;
+ obj_tptr+=8;
+ break;
+ case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
+ if (obj_tlen < 16)
+ goto obj_tooshort;
+ ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
+ "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 6),
+ indent,
+ GET_IPADDR_STRING(obj_tptr+8),
+ GET_BE_U_2(obj_tptr + 12));
+ obj_tlen-=16;
+ obj_tptr+=16;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_LABEL_REQ:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ while(obj_tlen >= 4 ) {
+ ND_PRINT("%s L3 Protocol ID: %s",
+ indent,
+ tok2str(ethertype_values,
+ "Unknown Protocol (0x%04x)",
+ GET_BE_U_2(obj_tptr + 2)));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ }
+ break;
+ case RSVP_CTYPE_2:
+ if (obj_tlen < 12)
+ goto obj_tooshort;
+ ND_PRINT("%s L3 Protocol ID: %s",
+ indent,
+ tok2str(ethertype_values,
+ "Unknown Protocol (0x%04x)",
+ GET_BE_U_2(obj_tptr + 2)));
+ ND_PRINT(",%s merge capability",
+ ((GET_U_1(obj_tptr + 4)) & 0x80) ? "no" : "" );
+ ND_PRINT("%s Minimum VPI/VCI: %u/%u",
+ indent,
+ (GET_BE_U_2(obj_tptr + 4))&0xfff,
+ (GET_BE_U_2(obj_tptr + 6)) & 0xfff);
+ ND_PRINT("%s Maximum VPI/VCI: %u/%u",
+ indent,
+ (GET_BE_U_2(obj_tptr + 8))&0xfff,
+ (GET_BE_U_2(obj_tptr + 10)) & 0xfff);
+ obj_tlen-=12;
+ obj_tptr+=12;
+ break;
+ case RSVP_CTYPE_3:
+ if (obj_tlen < 12)
+ goto obj_tooshort;
+ ND_PRINT("%s L3 Protocol ID: %s",
+ indent,
+ tok2str(ethertype_values,
+ "Unknown Protocol (0x%04x)",
+ GET_BE_U_2(obj_tptr + 2)));
+ ND_PRINT("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI",
+ indent,
+ (GET_BE_U_4(obj_tptr + 4))&0x7fffff,
+ (GET_BE_U_4(obj_tptr + 8))&0x7fffff,
+ (((GET_BE_U_2(obj_tptr + 4)>>7)&3) == 0 ) ? "10" : "",
+ (((GET_BE_U_2(obj_tptr + 4) >> 7) & 3) == 2 ) ? "23" : "");
+ obj_tlen-=12;
+ obj_tptr+=12;
+ break;
+ case RSVP_CTYPE_4:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ ND_PRINT("%s LSP Encoding Type: %s (%u)",
+ indent,
+ tok2str(gmpls_encoding_values,
+ "Unknown",
+ GET_U_1(obj_tptr)),
+ GET_U_1(obj_tptr));
+ ND_PRINT("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)",
+ indent,
+ tok2str(gmpls_switch_cap_values,
+ "Unknown",
+ GET_U_1((obj_tptr + 1))),
+ GET_U_1(obj_tptr + 1),
+ tok2str(gmpls_payload_values,
+ "Unknown",
+ GET_BE_U_2(obj_tptr + 2)),
+ GET_BE_U_2(obj_tptr + 2));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_RRO:
+ case RSVP_OBJ_ERO:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_IPV4:
+ while(obj_tlen >= 4 ) {
+ u_char length;
+
+ ND_TCHECK_4(obj_tptr);
+ length = GET_U_1(obj_tptr + 1);
+ ND_PRINT("%s Subobject Type: %s, length %u",
+ indent,
+ tok2str(rsvp_obj_xro_values,
+ "Unknown %u",
+ RSVP_OBJ_XRO_MASK_SUBOBJ(GET_U_1(obj_tptr))),
+ length);
+ if (obj_tlen < length) {
+ ND_PRINT("%s ERROR: ERO subobject length > object length", indent);
+ break;
+ }
+
+ if (length == 0) { /* prevent infinite loops */
+ ND_PRINT("%s ERROR: zero length ERO subtype", indent);
+ break;
+ }
+
+ switch(RSVP_OBJ_XRO_MASK_SUBOBJ(GET_U_1(obj_tptr))) {
+ u_char prefix_length;
+
+ case RSVP_OBJ_XRO_IPV4:
+ if (length != 8) {
+ ND_PRINT(" ERROR: length != 8");
+ goto invalid;
+ }
+ ND_TCHECK_8(obj_tptr);
+ prefix_length = GET_U_1(obj_tptr + 6);
+ if (prefix_length != 32) {
+ ND_PRINT(" ERROR: Prefix length %u != 32",
+ prefix_length);
+ goto invalid;
+ }
+ ND_PRINT(", %s, %s/%u, Flags: [%s]",
+ RSVP_OBJ_XRO_MASK_LOOSE(GET_U_1(obj_tptr)) ? "Loose" : "Strict",
+ GET_IPADDR_STRING(obj_tptr+2),
+ GET_U_1((obj_tptr + 6)),
+ bittok2str(rsvp_obj_rro_flag_values,
+ "none",
+ GET_U_1((obj_tptr + 7)))); /* rfc3209 says that this field is rsvd. */
+ break;
+ case RSVP_OBJ_XRO_LABEL:
+ if (length != 8) {
+ ND_PRINT(" ERROR: length != 8");
+ goto invalid;
+ }
+ ND_TCHECK_8(obj_tptr);
+ ND_PRINT(", Flags: [%s] (%#x), Class-Type: %s (%u), %u",
+ bittok2str(rsvp_obj_rro_label_flag_values,
+ "none",
+ GET_U_1((obj_tptr + 2))),
+ GET_U_1(obj_tptr + 2),
+ tok2str(rsvp_ctype_values,
+ "Unknown",
+ GET_U_1((obj_tptr + 3)) + (256 * RSVP_OBJ_RRO)),
+ GET_U_1((obj_tptr + 3)),
+ GET_BE_U_4(obj_tptr + 4));
+ }
+ obj_tlen-=length;
+ obj_tptr+=length;
+ }
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_HELLO:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ case RSVP_CTYPE_2:
+ if (obj_tlen < 8)
+ goto obj_tooshort;
+ ND_PRINT("%s Source Instance: 0x%08x, Destination Instance: 0x%08x",
+ indent,
+ GET_BE_U_4(obj_tptr),
+ GET_BE_U_4(obj_tptr + 4));
+ obj_tlen-=8;
+ obj_tptr+=8;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_RESTART_CAPABILITY:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ if (obj_tlen < 8)
+ goto obj_tooshort;
+ ND_PRINT("%s Restart Time: %ums, Recovery Time: %ums",
+ indent,
+ GET_BE_U_4(obj_tptr),
+ GET_BE_U_4(obj_tptr + 4));
+ obj_tlen-=8;
+ obj_tptr+=8;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_CAPABILITY:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ uint32_t unused_and_flags = GET_BE_U_4(obj_tptr);
+ if (unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK)
+ ND_PRINT("%s [reserved=0x%08x must be zero]", indent,
+ unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK);
+ ND_PRINT("%s Flags: [%s]",
+ indent,
+ bittok2str(rsvp_obj_capability_flag_values,
+ "none",
+ (unused_and_flags & RSVP_OBJ_CAPABILITY_FLAGS_MASK)));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_SESSION_ATTRIBUTE:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_TUNNEL_IPV4:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ namelen = GET_U_1(obj_tptr + 3);
+ if (obj_tlen < 4+namelen)
+ goto obj_tooshort;
+ ND_PRINT("%s Session Name: ", indent);
+ for (i = 0; i < namelen; i++)
+ fn_print_char(ndo, GET_U_1(obj_tptr + 4 + i));
+ ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s] (%#x)",
+ indent,
+ GET_U_1(obj_tptr),
+ GET_U_1(obj_tptr + 1),
+ bittok2str(rsvp_session_attribute_flag_values,
+ "none",
+ GET_U_1((obj_tptr + 2))),
+ GET_U_1(obj_tptr + 2));
+ obj_tlen-=4+namelen;
+ obj_tptr+=4+namelen;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_GENERALIZED_UNI:
+ switch(rsvp_obj_ctype) {
+ u_int subobj_type,af,subobj_len,total_subobj_len;
+
+ case RSVP_CTYPE_1:
+
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+
+ /* read variable length subobjects */
+ total_subobj_len = obj_tlen;
+ while(total_subobj_len > 0) {
+ /* If RFC 3476 Section 3.1 defined that a sub-object of the
+ * GENERALIZED_UNI RSVP object must have the Length field as
+ * a multiple of 4, instead of the check below it would be
+ * better to test total_subobj_len only once before the loop.
+ * So long as it does not define it and this while loop does
+ * not implement such a requirement, let's accept that within
+ * each iteration subobj_len may happen to be a multiple of 1
+ * and test it and total_subobj_len respectively.
+ */
+ if (total_subobj_len < 4)
+ goto invalid;
+ subobj_len = GET_BE_U_2(obj_tptr);
+ subobj_type = (GET_BE_U_2(obj_tptr + 2))>>8;
+ af = (GET_BE_U_2(obj_tptr + 2))&0x00FF;
+
+ ND_PRINT("%s Subobject Type: %s (%u), AF: %s (%u), length: %u",
+ indent,
+ tok2str(rsvp_obj_generalized_uni_values, "Unknown", subobj_type),
+ subobj_type,
+ tok2str(af_values, "Unknown", af), af,
+ subobj_len);
+
+ /* In addition to what is explained above, the same spec does not
+ * explicitly say that the same Length field includes the 4-octet
+ * sub-object header, but as long as this while loop implements it
+ * as it does include, let's keep the check below consistent with
+ * the rest of the code.
+ *
+ * XXX - RFC 3476 Section 3.1 says "The contents of these
+ * sub-objects are described in [8]", where [8] is
+ * UNI 1.0 Signaling Specification, The Optical
+ * Internetworking Forum. The URL they give for that
+ * document is
+ *
+ * http://www.oiforum.com/public/UNI_1.0_ia.html
+ *
+ * but that doesn't work; the new URL appears to be
+ *
+ * https://web.archive.org/web/20160401194747/http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf
+ *
+ * and *that* document, in section 12.5.2.3
+ * "GENERALIZED_UNI Object (Class-Num=11bbbbbb (TBA))",
+ * says nothing about the length field in general, but
+ * some of the examples it gives in subsections have
+ * length field values that clearly includes the length
+ * of the sub-object header as well as the length of the
+ * value.
+ */
+ if(subobj_len < 4 || subobj_len > total_subobj_len ||
+ obj_tlen < subobj_len)
+ goto invalid;
+
+ switch(subobj_type) {
+ case RSVP_GEN_UNI_SUBOBJ_SOURCE_TNA_ADDRESS:
+ case RSVP_GEN_UNI_SUBOBJ_DESTINATION_TNA_ADDRESS:
+
+ switch(af) {
+ case AFNUM_INET:
+ if (subobj_len < 8)
+ goto subobj_tooshort;
+ ND_PRINT("%s UNI IPv4 TNA address: %s",
+ indent, GET_IPADDR_STRING(obj_tptr + 4));
+ break;
+ case AFNUM_INET6:
+ if (subobj_len < 20)
+ goto subobj_tooshort;
+ ND_PRINT("%s UNI IPv6 TNA address: %s",
+ indent, GET_IP6ADDR_STRING(obj_tptr + 4));
+ break;
+ case AFNUM_NSAP:
+ if (subobj_len) {
+ /* unless we have a TLV parser lets just hexdump */
+ hexdump=TRUE;
+ }
+ break;
+ }
+ break;
+
+ case RSVP_GEN_UNI_SUBOBJ_DIVERSITY:
+ if (subobj_len > 4) {
+ /* unless we have a TLV parser lets just hexdump */
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_GEN_UNI_SUBOBJ_EGRESS_LABEL:
+ if (subobj_len < 16) {
+ goto subobj_tooshort;
+ }
+
+ ND_PRINT("%s U-bit: %x, Label type: %u, Logical port id: %u, Label: %u",
+ indent,
+ ((GET_BE_U_4(obj_tptr + 4))>>31),
+ ((GET_BE_U_4(obj_tptr + 4))&0xFF),
+ GET_BE_U_4(obj_tptr + 8),
+ GET_BE_U_4(obj_tptr + 12));
+ break;
+
+ case RSVP_GEN_UNI_SUBOBJ_SERVICE_LEVEL:
+ if (subobj_len < 8) {
+ goto subobj_tooshort;
+ }
+
+ ND_PRINT("%s Service level: %u",
+ indent, (GET_BE_U_4(obj_tptr + 4)) >> 24);
+ break;
+
+ default:
+ hexdump=TRUE;
+ break;
+ }
+ total_subobj_len-=subobj_len;
+ obj_tptr+=subobj_len;
+ obj_tlen+=subobj_len;
+ }
+ break;
+
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_RSVP_HOP:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
+ case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 8)
+ goto obj_tooshort;
+ ND_PRINT("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_4(obj_tptr + 4));
+ obj_tlen-=8;
+ obj_tptr+=8;
+ if (obj_tlen)
+ hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
+ break;
+ case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
+ case RSVP_CTYPE_IPV6:
+ if (obj_tlen < 20)
+ goto obj_tooshort;
+ ND_PRINT("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x",
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr),
+ GET_BE_U_4(obj_tptr + 16));
+ obj_tlen-=20;
+ obj_tptr+=20;
+ hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_TIME_VALUES:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ ND_PRINT("%s Refresh Period: %ums",
+ indent,
+ GET_BE_U_4(obj_tptr));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ /* those three objects do share the same semantics */
+ case RSVP_OBJ_SENDER_TSPEC:
+ case RSVP_OBJ_ADSPEC:
+ case RSVP_OBJ_FLOWSPEC:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_2:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ ND_PRINT("%s Msg-Version: %u, length: %u",
+ indent,
+ (GET_U_1(obj_tptr) & 0xf0) >> 4,
+ GET_BE_U_2(obj_tptr + 2) << 2);
+ obj_tptr+=4; /* get to the start of the service header */
+ obj_tlen-=4;
+
+ while (obj_tlen >= 4) {
+ intserv_serv_tlen=GET_BE_U_2(obj_tptr + 2)<<2;
+ ND_PRINT("%s Service Type: %s (%u), break bit %sset, Service length: %u",
+ indent,
+ tok2str(rsvp_intserv_service_type_values,"unknown",GET_U_1((obj_tptr))),
+ GET_U_1(obj_tptr),
+ (GET_U_1(obj_tptr + 1)&0x80) ? "" : "not ",
+ intserv_serv_tlen);
+
+ obj_tptr+=4; /* get to the start of the parameter list */
+ obj_tlen-=4;
+
+ while (intserv_serv_tlen>=4) {
+ processed = rsvp_intserv_print(ndo, obj_tptr, obj_tlen);
+ if (processed == 0)
+ break;
+ obj_tlen-=processed;
+ intserv_serv_tlen-=processed;
+ obj_tptr+=processed;
+ }
+ }
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_FILTERSPEC:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 8)
+ goto obj_tooshort;
+ ND_PRINT("%s Source Address: %s, Source Port: %u",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 6));
+ obj_tlen-=8;
+ obj_tptr+=8;
+ break;
+ case RSVP_CTYPE_IPV6:
+ if (obj_tlen < 20)
+ goto obj_tooshort;
+ ND_PRINT("%s Source Address: %s, Source Port: %u",
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 18));
+ obj_tlen-=20;
+ obj_tptr+=20;
+ break;
+ case RSVP_CTYPE_3:
+ if (obj_tlen < 20)
+ goto obj_tooshort;
+ ND_PRINT("%s Source Address: %s, Flow Label: %u",
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr),
+ GET_BE_U_3(obj_tptr + 17));
+ obj_tlen-=20;
+ obj_tptr+=20;
+ break;
+ case RSVP_CTYPE_TUNNEL_IPV6:
+ if (obj_tlen < 20)
+ goto obj_tooshort;
+ ND_PRINT("%s Source Address: %s, LSP-ID: 0x%04x",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 18));
+ obj_tlen-=20;
+ obj_tptr+=20;
+ break;
+ case RSVP_CTYPE_13: /* IPv6 p2mp LSP tunnel */
+ if (obj_tlen < 40)
+ goto obj_tooshort;
+ ND_PRINT("%s IPv6 Tunnel Sender Address: %s, LSP ID: 0x%04x"
+ "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 18),
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr+20),
+ GET_BE_U_2(obj_tptr + 38));
+ obj_tlen-=40;
+ obj_tptr+=40;
+ break;
+ case RSVP_CTYPE_TUNNEL_IPV4:
+ if (obj_tlen < 8)
+ goto obj_tooshort;
+ ND_PRINT("%s Source Address: %s, LSP-ID: 0x%04x",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 6));
+ obj_tlen-=8;
+ obj_tptr+=8;
+ break;
+ case RSVP_CTYPE_12: /* IPv4 p2mp LSP tunnel */
+ if (obj_tlen < 16)
+ goto obj_tooshort;
+ ND_PRINT("%s IPv4 Tunnel Sender Address: %s, LSP ID: 0x%04x"
+ "%s Sub-Group Originator ID: %s, Sub-Group ID: 0x%04x",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_BE_U_2(obj_tptr + 6),
+ indent,
+ GET_IPADDR_STRING(obj_tptr+8),
+ GET_BE_U_2(obj_tptr + 12));
+ obj_tlen-=16;
+ obj_tptr+=16;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_FASTREROUTE:
+ /* the differences between c-type 1 and 7 are minor */
+ obj_ptr.rsvp_obj_frr = (const struct rsvp_obj_frr_t *)obj_tptr;
+
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1: /* new style */
+ if (obj_tlen < sizeof(struct rsvp_obj_frr_t))
+ goto obj_tooshort;
+ bw.i = GET_BE_U_4(obj_ptr.rsvp_obj_frr->bandwidth);
+ ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
+ indent,
+ obj_ptr.rsvp_obj_frr->setup_prio,
+ obj_ptr.rsvp_obj_frr->hold_prio,
+ obj_ptr.rsvp_obj_frr->hop_limit,
+ bw.f * 8 / 1000000);
+ ND_PRINT("%s Include-any: 0x%08x, Exclude-any: 0x%08x, Include-all: 0x%08x",
+ indent,
+ GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_any),
+ GET_BE_U_4(obj_ptr.rsvp_obj_frr->exclude_any),
+ GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_all));
+ obj_tlen-=sizeof(struct rsvp_obj_frr_t);
+ obj_tptr+=sizeof(struct rsvp_obj_frr_t);
+ break;
+
+ case RSVP_CTYPE_TUNNEL_IPV4: /* old style */
+ if (obj_tlen < 16)
+ goto obj_tooshort;
+ bw.i = GET_BE_U_4(obj_ptr.rsvp_obj_frr->bandwidth);
+ ND_PRINT("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps",
+ indent,
+ obj_ptr.rsvp_obj_frr->setup_prio,
+ obj_ptr.rsvp_obj_frr->hold_prio,
+ obj_ptr.rsvp_obj_frr->hop_limit,
+ bw.f * 8 / 1000000);
+ ND_PRINT("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x",
+ indent,
+ GET_BE_U_4(obj_ptr.rsvp_obj_frr->include_any),
+ GET_BE_U_4(obj_ptr.rsvp_obj_frr->exclude_any));
+ obj_tlen-=16;
+ obj_tptr+=16;
+ break;
+
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_DETOUR:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_TUNNEL_IPV4:
+ while(obj_tlen >= 8) {
+ ND_PRINT("%s PLR-ID: %s, Avoid-Node-ID: %s",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_IPADDR_STRING(obj_tptr + 4));
+ obj_tlen-=8;
+ obj_tptr+=8;
+ }
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_CLASSTYPE:
+ case RSVP_OBJ_CLASSTYPE_OLD: /* fall through */
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ ND_PRINT("%s CT: %u",
+ indent,
+ GET_BE_U_4(obj_tptr) & 0x7);
+ obj_tlen-=4;
+ obj_tptr+=4;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_ERROR_SPEC:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_3: /* fall through - FIXME add TLV parser */
+ case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 8)
+ goto obj_tooshort;
+ error_code=GET_U_1(obj_tptr + 5);
+ error_value=GET_BE_U_2(obj_tptr + 6);
+ ND_PRINT("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
+ indent,
+ GET_IPADDR_STRING(obj_tptr),
+ GET_U_1(obj_tptr + 4),
+ indent,
+ tok2str(rsvp_obj_error_code_values,"unknown",error_code),
+ error_code);
+ switch (error_code) {
+ case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
+ ND_PRINT(", Error Value: %s (%u)",
+ tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
+ error_value);
+ break;
+ case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: /* fall through */
+ case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE_OLD:
+ ND_PRINT(", Error Value: %s (%u)",
+ tok2str(rsvp_obj_error_code_diffserv_te_values,"unknown",error_value),
+ error_value);
+ break;
+ default:
+ ND_PRINT(", Unknown Error Value (%u)", error_value);
+ break;
+ }
+ obj_tlen-=8;
+ obj_tptr+=8;
+ break;
+ case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */
+ case RSVP_CTYPE_IPV6:
+ if (obj_tlen < 20)
+ goto obj_tooshort;
+ error_code=GET_U_1(obj_tptr + 17);
+ error_value=GET_BE_U_2(obj_tptr + 18);
+ ND_PRINT("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)",
+ indent,
+ GET_IP6ADDR_STRING(obj_tptr),
+ GET_U_1(obj_tptr + 16),
+ indent,
+ tok2str(rsvp_obj_error_code_values,"unknown",error_code),
+ error_code);
+
+ switch (error_code) {
+ case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
+ ND_PRINT(", Error Value: %s (%u)",
+ tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value),
+ error_value);
+ break;
+ default:
+ break;
+ }
+ obj_tlen-=20;
+ obj_tptr+=20;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_PROPERTIES:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ padbytes = GET_BE_U_2(obj_tptr + 2);
+ ND_PRINT("%s TLV count: %u, padding bytes: %u",
+ indent,
+ GET_BE_U_2(obj_tptr),
+ padbytes);
+ obj_tlen-=4;
+ obj_tptr+=4;
+ /* loop through as long there is anything longer than the TLV header (2) */
+ while(obj_tlen >= 2 + padbytes) {
+ ND_PRINT("%s %s TLV (0x%02x), length: %u", /* length includes header */
+ indent,
+ tok2str(rsvp_obj_prop_tlv_values,"unknown",GET_U_1(obj_tptr)),
+ GET_U_1(obj_tptr),
+ GET_U_1(obj_tptr + 1));
+ if (obj_tlen < GET_U_1(obj_tptr + 1))
+ goto obj_tooshort;
+ if (GET_U_1(obj_tptr + 1) < 2) {
+ ND_PRINT("%sERROR: property TLV is too short", indent);
+ return -1;
+ }
+ print_unknown_data(ndo, obj_tptr + 2, "\n\t\t",
+ GET_U_1(obj_tptr + 1) - 2);
+ obj_tlen-=GET_U_1(obj_tptr + 1);
+ obj_tptr+=GET_U_1(obj_tptr + 1);
+ }
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_MESSAGE_ID: /* fall through */
+ case RSVP_OBJ_MESSAGE_ID_ACK: /* fall through */
+ case RSVP_OBJ_MESSAGE_ID_LIST:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ case RSVP_CTYPE_2:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ ND_PRINT("%s Flags [0x%02x], epoch: %u",
+ indent,
+ GET_U_1(obj_tptr),
+ GET_BE_U_3(obj_tptr + 1));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ /* loop through as long there are no messages left */
+ while(obj_tlen >= 4) {
+ ND_PRINT("%s Message-ID 0x%08x (%u)",
+ indent,
+ GET_BE_U_4(obj_tptr),
+ GET_BE_U_4(obj_tptr));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ }
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_INTEGRITY:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ if (obj_tlen < sizeof(struct rsvp_obj_integrity_t))
+ goto obj_tooshort;
+ obj_ptr.rsvp_obj_integrity = (const struct rsvp_obj_integrity_t *)obj_tptr;
+ ND_PRINT("%s Key-ID 0x%04x%08x, Sequence 0x%08x%08x, Flags [%s]",
+ indent,
+ GET_BE_U_2(obj_ptr.rsvp_obj_integrity->key_id),
+ GET_BE_U_4(obj_ptr.rsvp_obj_integrity->key_id + 2),
+ GET_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence),
+ GET_BE_U_4(obj_ptr.rsvp_obj_integrity->sequence + 4),
+ bittok2str(rsvp_obj_integrity_flag_values,
+ "none",
+ obj_ptr.rsvp_obj_integrity->flags));
+ ND_PRINT("%s MD5-sum 0x%08x%08x%08x%08x ",
+ indent,
+ GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest),
+ GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 4),
+ GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 8),
+ GET_BE_U_4(obj_ptr.rsvp_obj_integrity->digest + 12));
+
+ sigcheck = signature_verify(ndo, pptr, plen,
+ obj_ptr.rsvp_obj_integrity->digest,
+ rsvp_clear_checksum,
+ rsvp_com_header);
+ ND_PRINT(" (%s)", tok2str(signature_check_values, "Unknown", sigcheck));
+
+ obj_tlen+=sizeof(struct rsvp_obj_integrity_t);
+ obj_tptr+=sizeof(struct rsvp_obj_integrity_t);
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_ADMIN_STATUS:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ ND_PRINT("%s Flags [%s]", indent,
+ bittok2str(rsvp_obj_admin_status_flag_values, "none",
+ GET_BE_U_4(obj_tptr)));
+ obj_tlen-=4;
+ obj_tptr+=4;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_LABEL_SET:
+ switch(rsvp_obj_ctype) {
+ case RSVP_CTYPE_1:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ action = (GET_BE_U_2(obj_tptr)>>8);
+
+ ND_PRINT("%s Action: %s (%u), Label type: %u", indent,
+ tok2str(rsvp_obj_label_set_action_values, "Unknown", action),
+ action, (GET_BE_U_4(obj_tptr) & 0x7F));
+
+ switch (action) {
+ case LABEL_SET_INCLUSIVE_RANGE:
+ case LABEL_SET_EXCLUSIVE_RANGE: /* fall through */
+
+ /* only a couple of subchannels are expected */
+ if (obj_tlen < 12)
+ goto obj_tooshort;
+ ND_PRINT("%s Start range: %u, End range: %u", indent,
+ GET_BE_U_4(obj_tptr + 4),
+ GET_BE_U_4(obj_tptr + 8));
+ obj_tlen-=12;
+ obj_tptr+=12;
+ break;
+
+ default:
+ obj_tlen-=4;
+ obj_tptr+=4;
+ subchannel = 1;
+ while(obj_tlen >= 4 ) {
+ ND_PRINT("%s Subchannel #%u: %u", indent, subchannel,
+ GET_BE_U_4(obj_tptr));
+ obj_tptr+=4;
+ obj_tlen-=4;
+ subchannel++;
+ }
+ break;
+ }
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ case RSVP_OBJ_S2L:
+ switch (rsvp_obj_ctype) {
+ case RSVP_CTYPE_IPV4:
+ if (obj_tlen < 4)
+ goto obj_tooshort;
+ ND_PRINT("%s Sub-LSP destination address: %s",
+ indent, GET_IPADDR_STRING(obj_tptr));
+
+ obj_tlen-=4;
+ obj_tptr+=4;
+ break;
+ case RSVP_CTYPE_IPV6:
+ if (obj_tlen < 16)
+ goto obj_tooshort;
+ ND_PRINT("%s Sub-LSP destination address: %s",
+ indent, GET_IP6ADDR_STRING(obj_tptr));
+
+ obj_tlen-=16;
+ obj_tptr+=16;
+ break;
+ default:
+ hexdump=TRUE;
+ }
+ break;
+
+ /*
+ * FIXME those are the defined objects that lack a decoder
+ * you are welcome to contribute code ;-)
+ */
+
+ case RSVP_OBJ_SCOPE:
+ case RSVP_OBJ_POLICY_DATA:
+ case RSVP_OBJ_ACCEPT_LABEL_SET:
+ case RSVP_OBJ_PROTECTION:
+ default:
+ if (ndo->ndo_vflag <= 1)
+ print_unknown_data(ndo, obj_tptr, "\n\t ", obj_tlen); /* FIXME indentation */
+ break;
+ }
+ /* do we also want to see a hex dump ? */
+ if (ndo->ndo_vflag > 1 || hexdump == TRUE)
+ print_unknown_data(ndo, tptr + sizeof(struct rsvp_object_header), "\n\t ", /* FIXME indentation */
+ rsvp_obj_len - sizeof(struct rsvp_object_header));
+
+ tptr+=rsvp_obj_len;
+ tlen-=rsvp_obj_len;
+ }
+ return 0;
+subobj_tooshort:
+ ND_PRINT("%sERROR: sub-object is too short", indent);
+ return -1;
+obj_tooshort:
+ ND_PRINT("%sERROR: object is too short", indent);
+ return -1;
+invalid:
+ nd_print_invalid(ndo);
+ return -1;
+trunc:
+ nd_print_trunc(ndo);
+ return -1;
+}
+
+void
+rsvp_print(netdissect_options *ndo,
+ const u_char *pptr, u_int len)
+{
+ const struct rsvp_common_header *rsvp_com_header;
+ uint8_t version_flags, msg_type;
+ const u_char *tptr;
+ u_short plen, tlen;
+
+ ndo->ndo_protocol = "rsvp";
+ tptr=pptr;
+
+ rsvp_com_header = (const struct rsvp_common_header *)pptr;
+ ND_TCHECK_SIZE(rsvp_com_header);
+ version_flags = GET_U_1(rsvp_com_header->version_flags);
+
+ /*
+ * Sanity checking of the header.
+ */
+ if (RSVP_EXTRACT_VERSION(version_flags) != RSVP_VERSION) {
+ ND_PRINT("ERROR: RSVP version %u packet not supported",
+ RSVP_EXTRACT_VERSION(version_flags));
+ return;
+ }
+
+ msg_type = GET_U_1(rsvp_com_header->msg_type);
+
+ /* in non-verbose mode just lets print the basic Message Type*/
+ if (ndo->ndo_vflag < 1) {
+ ND_PRINT("RSVPv%u %s Message, length: %u",
+ RSVP_EXTRACT_VERSION(version_flags),
+ tok2str(rsvp_msg_type_values, "unknown (%u)",msg_type),
+ len);
+ return;
+ }
+
+ /* ok they seem to want to know everything - lets fully decode it */
+
+ plen = tlen = GET_BE_U_2(rsvp_com_header->length);
+
+ ND_PRINT("\n\tRSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
+ RSVP_EXTRACT_VERSION(version_flags),
+ tok2str(rsvp_msg_type_values, "unknown, type: %u",msg_type),
+ msg_type,
+ bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(version_flags)),
+ tlen,
+ GET_U_1(rsvp_com_header->ttl),
+ GET_BE_U_2(rsvp_com_header->checksum));
+
+ if (tlen < sizeof(struct rsvp_common_header)) {
+ ND_PRINT("ERROR: common header too short %u < %zu", tlen,
+ sizeof(struct rsvp_common_header));
+ return;
+ }
+
+ tptr+=sizeof(struct rsvp_common_header);
+ tlen-=sizeof(struct rsvp_common_header);
+
+ switch(msg_type) {
+
+ case RSVP_MSGTYPE_BUNDLE:
+ /*
+ * Process each submessage in the bundle message.
+ * Bundle messages may not contain bundle submessages, so we don't
+ * need to handle bundle submessages specially.
+ */
+ while(tlen > 0) {
+ const u_char *subpptr=tptr, *subtptr;
+ u_short subplen, subtlen;
+
+ subtptr=subpptr;
+
+ rsvp_com_header = (const struct rsvp_common_header *)subpptr;
+ ND_TCHECK_SIZE(rsvp_com_header);
+ version_flags = GET_U_1(rsvp_com_header->version_flags);
+
+ /*
+ * Sanity checking of the header.
+ */
+ if (RSVP_EXTRACT_VERSION(version_flags) != RSVP_VERSION) {
+ ND_PRINT("ERROR: RSVP version %u packet not supported",
+ RSVP_EXTRACT_VERSION(version_flags));
+ return;
+ }
+
+ subplen = subtlen = GET_BE_U_2(rsvp_com_header->length);
+
+ msg_type = GET_U_1(rsvp_com_header->msg_type);
+ ND_PRINT("\n\t RSVPv%u %s Message (%u), Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x",
+ RSVP_EXTRACT_VERSION(version_flags),
+ tok2str(rsvp_msg_type_values, "unknown, type: %u",msg_type),
+ msg_type,
+ bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(version_flags)),
+ subtlen,
+ GET_U_1(rsvp_com_header->ttl),
+ GET_BE_U_2(rsvp_com_header->checksum));
+
+ if (subtlen < sizeof(struct rsvp_common_header)) {
+ ND_PRINT("ERROR: common header too short %u < %zu", subtlen,
+ sizeof(struct rsvp_common_header));
+ return;
+ }
+
+ if (tlen < subtlen) {
+ ND_PRINT("ERROR: common header too large %u > %u", subtlen,
+ tlen);
+ return;
+ }
+
+ subtptr+=sizeof(struct rsvp_common_header);
+ subtlen-=sizeof(struct rsvp_common_header);
+
+ /*
+ * Print all objects in the submessage.
+ */
+ if (rsvp_obj_print(ndo, subpptr, subplen, subtptr, "\n\t ", subtlen, rsvp_com_header) == -1)
+ return;
+
+ tptr+=subtlen+sizeof(struct rsvp_common_header);
+ tlen-=subtlen+sizeof(struct rsvp_common_header);
+ }
+
+ break;
+
+ case RSVP_MSGTYPE_PATH:
+ case RSVP_MSGTYPE_RESV:
+ case RSVP_MSGTYPE_PATHERR:
+ case RSVP_MSGTYPE_RESVERR:
+ case RSVP_MSGTYPE_PATHTEAR:
+ case RSVP_MSGTYPE_RESVTEAR:
+ case RSVP_MSGTYPE_RESVCONF:
+ case RSVP_MSGTYPE_HELLO_OLD:
+ case RSVP_MSGTYPE_HELLO:
+ case RSVP_MSGTYPE_ACK:
+ case RSVP_MSGTYPE_SREFRESH:
+ /*
+ * Print all objects in the message.
+ */
+ if (rsvp_obj_print(ndo, pptr, plen, tptr, "\n\t ", tlen, rsvp_com_header) == -1)
+ return;
+ break;
+
+ default:
+ print_unknown_data(ndo, tptr, "\n\t ", tlen);
+ break;
+ }
+
+ return;
+trunc:
+ nd_print_trunc(ndo);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-10 02:40:03 +0000