/* * 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@juniper.net) */ #ifndef lint static const char rcsid[] _U_ = "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.24.2.3 2004/03/24 04:01:08 guy Exp $"; #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include "interface.h" #include "extract.h" #include "addrtoname.h" #include "ethertype.h" #include "gmpls.h" /* * RFC 2205 common header * * 0 1 2 3 * +-------------+-------------+-------------+-------------+ * | Vers | Flags| Msg Type | RSVP Checksum | * +-------------+-------------+-------------+-------------+ * | Send_TTL | (Reserved) | RSVP Length | * +-------------+-------------+-------------+-------------+ * */ struct rsvp_common_header { u_int8_t version_flags; u_int8_t msg_type; u_int8_t checksum[2]; u_int8_t ttl; u_int8_t reserved; u_int8_t length[2]; }; /* * RFC2205 object header * * * 0 1 2 3 * +-------------+-------------+-------------+-------------+ * | Length (bytes) | Class-Num | C-Type | * +-------------+-------------+-------------+-------------+ * | | * // (Object contents) // * | | * +-------------+-------------+-------------+-------------+ */ struct rsvp_object_header { u_int8_t length[2]; u_int8_t class_num; u_int8_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_AGGREGATE 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_AGGREGATE, "Aggregate" }, { 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} }; #define RSVP_OBJ_SESSION 1 /* rfc2205 */ #define RSVP_OBJ_RSVP_HOP 3 /* rfc2205, rfc3473 */ #define RSVP_OBJ_INTEGRITY 4 #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 #define RSVP_OBJ_MESSAGE_ID_ACK 24 #define RSVP_OBJ_MESSAGE_ID_LIST 25 #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_DETOUR 63 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */ #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_NOTIFY_REQ 195 /* rfc3473 */ #define RSVP_OBJ_ADMIN_STATUS 196 /* rfc3473 */ #define RSVP_OBJ_PROPERTIES 204 /* juniper proprietary */ #define RSVP_OBJ_FASTREROUTE 205 /* draft-ietf-mpls-rsvp-lsp-fastreroute-01 */ #define RSVP_OBJ_SESSION_ATTRIBUTE 207 /* rfc3209 */ #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_SUGGESTED_LABEL, "Suggested Label" }, { RSVP_OBJ_PROPERTIES, "Properties" }, { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" }, { RSVP_OBJ_SESSION_ATTRIBUTE, "Session Attribute" }, { RSVP_OBJ_CALL_ID, "Call-ID" }, { RSVP_OBJ_CALL_OPS, "Call Capability" }, { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" }, { RSVP_OBJ_NOTIFY_REQ, "Notify Request" }, { RSVP_OBJ_PROTECTION, "Protection" }, { RSVP_OBJ_ADMIN_STATUS, "Administrative Status" }, { 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_1 1 #define RSVP_CTYPE_2 2 #define RSVP_CTYPE_3 3 #define RSVP_CTYPE_4 4 /* * 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_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_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_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_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, { 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, { 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" }, { 0, NULL} }; #define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f) #define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80) #define RSVP_OBJ_XRO_RES 0 #define RSVP_OBJ_XRO_IPV4 1 #define RSVP_OBJ_XRO_IPV6 2 #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_ASN, "Autonomous system number" }, { RSVP_OBJ_XRO_MPLS, "MPLS label switched path termination" }, { 0, NULL} }; /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */ 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} }; 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 struct tok rsvp_session_attribute_flag_values[] = { { 0x01, "Local Protection desired" }, { 0x02, "Label Recording desired" }, { 0x04, "SE Style desired" }, { 0x08, "Bandwidth protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */ { 0x10, "Node protection desired" }, /* draft-ietf-mpls-rsvp-lsp-fastreroute-02.txt */ { 0, NULL} }; static 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 static struct tok rsvp_obj_error_code_values[] = { { RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" }, { RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" }, { 0, NULL} }; static 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} }; #define FALSE 0 #define TRUE 1 static int rsvp_intserv_print(const u_char *, u_short); /* * 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 int rsvp_intserv_print(const u_char *tptr, u_short obj_tlen) { int parameter_id,parameter_length; union { float f; u_int32_t i; } bw; if (obj_tlen < 4) return 0; parameter_id = *(tptr); parameter_length = EXTRACT_16BITS(tptr+2)<<2; /* convert wordcount to bytecount */ printf("\n\t Parameter ID: %s (%u), length: %u, Flags: [0x%02x]", tok2str(rsvp_intserv_parameter_id_values,"unknown",parameter_id), parameter_id, parameter_length, *(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) printf("\n\t\tIS hop count: %u", EXTRACT_32BITS(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 = EXTRACT_32BITS(tptr+4); printf("\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) { printf("\n\t\tMinimum path latency: "); if (EXTRACT_32BITS(tptr+4) == 0xffffffff) printf("don't care"); else printf("%u", EXTRACT_32BITS(tptr+4)); } break; case 10: /* * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | 10 (n) | (o) | 1 (p) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * | Composed MTU (32-bit unsigned integer) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ if (parameter_length == 4) printf("\n\t\tComposed MTU: %u bytes", EXTRACT_32BITS(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) { bw.i = EXTRACT_32BITS(tptr+4); printf("\n\t\tToken Bucket Rate: %.10g Mbps", bw.f/125000); bw.i = EXTRACT_32BITS(tptr+8); printf("\n\t\tToken Bucket Size: %.10g bytes", bw.f); bw.i = EXTRACT_32BITS(tptr+12); printf("\n\t\tPeak Data Rate: %.10g Mbps", bw.f/125000); printf("\n\t\tMinimum Policed Unit: %u bytes", EXTRACT_32BITS(tptr+16)); printf("\n\t\tMaximum Packet Size: %u bytes", EXTRACT_32BITS(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) { bw.i = EXTRACT_32BITS(tptr+4); printf("\n\t\tRate: %.10g Mbps", bw.f/125000); printf("\n\t\tSlack Term: %u", EXTRACT_32BITS(tptr+8)); } break; case 133: case 134: case 135: case 136: if (parameter_length == 4) printf("\n\t\tValue: %u", EXTRACT_32BITS(tptr+4)); break; default: if (vflag <= 1) print_unknown_data(tptr+4,"\n\t\t",parameter_length); } return (parameter_length+4); /* header length 4 bytes */ } void rsvp_print(register const u_char *pptr, register u_int len) { const struct rsvp_common_header *rsvp_com_header; const struct rsvp_object_header *rsvp_obj_header; const u_char *tptr,*obj_tptr; u_short tlen,rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen; int hexdump,processed,padbytes,error_code,error_value; union { float f; u_int32_t i; } bw; u_int8_t namelen; u_int i; tptr=pptr; rsvp_com_header = (const struct rsvp_common_header *)pptr; TCHECK(*rsvp_com_header); /* * Sanity checking of the header. */ if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) { printf("RSVP version %u packet not supported", RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)); return; } /* in non-verbose mode just lets print the basic Message Type*/ if (vflag < 1) { printf("RSVP %s Message, length: %u", tok2str(rsvp_msg_type_values, "unknown (%u)",rsvp_com_header->msg_type), len); return; } /* ok they seem to want to know everything - lets fully decode it */ tlen=EXTRACT_16BITS(rsvp_com_header->length); printf("RSVP\n\tv: %u, msg-type: %s, Flags: [%s], length: %u, ttl: %u, checksum: 0x%04x", RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), tok2str(rsvp_msg_type_values, "unknown, type: %u",rsvp_com_header->msg_type), bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)), tlen, rsvp_com_header->ttl, EXTRACT_16BITS(rsvp_com_header->checksum)); if (tlen < sizeof(const struct rsvp_common_header)) return; tptr+=sizeof(const struct rsvp_common_header); tlen-=sizeof(const struct rsvp_common_header); while(tlen>0) { /* did we capture enough for fully decoding the object header ? */ if (!TTEST2(*tptr, sizeof(struct rsvp_object_header))) goto trunc; rsvp_obj_header = (const struct rsvp_object_header *)tptr; rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length); rsvp_obj_ctype=rsvp_obj_header->ctype; if(rsvp_obj_len % 4 || rsvp_obj_len < sizeof(struct rsvp_object_header)) return; printf("\n\t %s Object (%u) Flags: [%s", tok2str(rsvp_obj_values, "Unknown", rsvp_obj_header->class_num), rsvp_obj_header->class_num, ((rsvp_obj_header->class_num)&0x80) ? "ignore" : "reject"); if (rsvp_obj_header->class_num > 128) printf(" %s", ((rsvp_obj_header->class_num)&0x40) ? "and forward" : "silently"); printf(" if unknown], Class-Type: %s (%u), length: %u", tok2str(rsvp_ctype_values, "Unknown", ((rsvp_obj_header->class_num)<<8)+rsvp_obj_ctype), rsvp_obj_ctype, rsvp_obj_len); 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 ? */ if (!TTEST2(*tptr, rsvp_obj_len)) goto trunc; hexdump=FALSE; switch(rsvp_obj_header->class_num) { case RSVP_OBJ_SESSION: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: if (obj_tlen < 8) return; printf("\n\t IPv4 DestAddress: %s, Protocol ID: 0x%02x", ipaddr_string(obj_tptr), *(obj_tptr+4)); printf("\n\t Flags: [0x%02x], DestPort %u", *(obj_tptr+5), EXTRACT_16BITS(obj_tptr+6)); obj_tlen-=8; obj_tptr+=8; break; #ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return; printf("\n\t IPv6 DestAddress: %s, Protocol ID: 0x%02x", ip6addr_string(obj_tptr), *(obj_tptr+16)); printf("\n\t Flags: [0x%02x], DestPort %u", *(obj_tptr+17), EXTRACT_16BITS(obj_tptr+18)); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_TUNNEL_IPV6: if (obj_tlen < 36) return; printf("\n\t IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", ip6addr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+18), ip6addr_string(obj_tptr+20)); obj_tlen-=36; obj_tptr+=36; break; #endif case RSVP_CTYPE_TUNNEL_IPV4: if (obj_tlen < 12) return; printf("\n\t IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+6), 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 < 4) return; printf("\n\t IPv4 Receiver Address: %s", ipaddr_string(obj_tptr)); obj_tlen-=4; obj_tptr+=4; break; #ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 16) return; printf("\n\t IPv6 Receiver Address: %s", ip6addr_string(obj_tptr)); obj_tlen-=16; obj_tptr+=16; break; #endif default: hexdump=TRUE; } break; case RSVP_OBJ_NOTIFY_REQ: switch(rsvp_obj_ctype) { case RSVP_CTYPE_IPV4: if (obj_tlen < 4) return; printf("\n\t IPv4 Notify Node Address: %s", ipaddr_string(obj_tptr)); obj_tlen-=4; obj_tptr+=4; break; #ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 16) return; printf("\n\t IPv6 Notify Node Address: %s", ip6addr_string(obj_tptr)); obj_tlen-=16; obj_tptr+=16; break; #endif 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 ) { printf("\n\t Label: %u", EXTRACT_32BITS(obj_tptr)); obj_tlen-=4; obj_tptr+=4; } break; case RSVP_CTYPE_2: if (obj_tlen < 4) return; printf("\n\t Generalized Label: %u", EXTRACT_32BITS(obj_tptr)); obj_tlen-=4; obj_tptr+=4; break; case RSVP_CTYPE_3: if (obj_tlen < 12) return; printf("\n\t Waveband ID: %u\n\t Start Label: %u, Stop Label: %u", EXTRACT_32BITS(obj_tptr), EXTRACT_32BITS(obj_tptr+4), EXTRACT_32BITS(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) return; printf("\n\t Reservation Style: %s, Flags: [0x%02x]", tok2str(rsvp_resstyle_values, "Unknown", EXTRACT_24BITS(obj_tptr+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) return; printf("\n\t Source Address: %s, Source Port: %u", ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+6)); obj_tlen-=8; obj_tptr+=8; break; #ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return; printf("\n\t Source Address: %s, Source Port: %u", ip6addr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+18)); obj_tlen-=20; obj_tptr+=20; break; #endif case RSVP_CTYPE_TUNNEL_IPV4: if (obj_tlen < 8) return; printf("\n\t IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x", ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+6)); obj_tlen-=8; obj_tptr+=8; break; default: hexdump=TRUE; } break; case RSVP_OBJ_LABEL_REQ: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: while(obj_tlen >= 4 ) { printf("\n\t L3 Protocol ID: %s", tok2str(ethertype_values, "Unknown Protocol (0x%04x)", EXTRACT_16BITS(obj_tptr+2))); obj_tlen-=4; obj_tptr+=4; } break; case RSVP_CTYPE_2: if (obj_tlen < 12) return; printf("\n\t L3 Protocol ID: %s", tok2str(ethertype_values, "Unknown Protocol (0x%04x)", EXTRACT_16BITS(obj_tptr+2))); printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" ); printf("\n\t Minimum VPI/VCI: %u/%u", (EXTRACT_16BITS(obj_tptr+4))&0xfff, (EXTRACT_16BITS(obj_tptr+6))&0xfff); printf("\n\t Maximum VPI/VCI: %u/%u", (EXTRACT_16BITS(obj_tptr+8))&0xfff, (EXTRACT_16BITS(obj_tptr+10))&0xfff); obj_tlen-=12; obj_tptr+=12; break; case RSVP_CTYPE_3: if (obj_tlen < 12) return; printf("\n\t L3 Protocol ID: %s", tok2str(ethertype_values, "Unknown Protocol (0x%04x)", EXTRACT_16BITS(obj_tptr+2))); printf("\n\t Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI", (EXTRACT_32BITS(obj_tptr+4))&0x7fffff, (EXTRACT_32BITS(obj_tptr+8))&0x7fffff, (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 0 ) ? "10" : "", (((EXTRACT_16BITS(obj_tptr+4)>>7)&3) == 2 ) ? "23" : ""); obj_tlen-=12; obj_tptr+=12; break; case RSVP_CTYPE_4: if (obj_tlen < 8) return; printf("\n\t LSP Encoding Type: %s (%u)", tok2str(gmpls_encoding_values, "Unknown", *obj_tptr), *obj_tptr); printf("\n\t Switching Type: %s (%u), Payload ID: %s (0x%04x)", tok2str(gmpls_switch_cap_values, "Unknown", *(obj_tptr+1)), *(obj_tptr+1), tok2str(gmpls_payload_values, "Unknown", EXTRACT_16BITS(obj_tptr+2)), EXTRACT_16BITS(obj_tptr+2)); obj_tlen-=8; obj_tptr+=8; 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 ) { printf("\n\t Subobject Type: %s", tok2str(rsvp_obj_xro_values, "Unknown %u", RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr))); switch(RSVP_OBJ_XRO_MASK_SUBOBJ(*obj_tptr)) { case RSVP_OBJ_XRO_IPV4: printf(", %s, %s/%u, Flags: [%s]", RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict", ipaddr_string(obj_tptr+2), *(obj_tptr+6), bittok2str(rsvp_obj_rro_flag_values, "none", *(obj_tptr+7))); /* rfc3209 says that this field is rsvd. */ } obj_tlen-=*(obj_tptr+1); obj_tptr+=*(obj_tptr+1); } 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) return; printf("\n\t Source Instance: 0x%08x, Destination Instance: 0x%08x", EXTRACT_32BITS(obj_tptr), EXTRACT_32BITS(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) return; printf("\n\t Restart Time: %ums, Recovery Time: %ums", EXTRACT_16BITS(obj_tptr), EXTRACT_16BITS(obj_tptr+4)); obj_tlen-=8; obj_tptr+=8; break; default: hexdump=TRUE; } break; case RSVP_OBJ_SESSION_ATTRIBUTE: switch(rsvp_obj_ctype) { case RSVP_CTYPE_TUNNEL_IPV4: if (obj_tlen < 4) return; namelen = *(obj_tptr+3); if (obj_tlen < 4+namelen) return; printf("\n\t Session Name: "); for (i = 0; i < namelen; i++) safeputchar(*(obj_tptr+4+i)); printf("\n\t Setup Priority: %u, Holding Priority: %u, Flags: [%s]", (int)*obj_tptr, (int)*(obj_tptr+1), tok2str(rsvp_session_attribute_flag_values, "none", *(obj_tptr+2))); obj_tlen-=4+*(obj_tptr+3); obj_tptr+=4+*(obj_tptr+3); 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) return; printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", ipaddr_string(obj_tptr), EXTRACT_32BITS(obj_tptr+4)); obj_tlen-=8; obj_tptr+=8; hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */ break; #ifdef INET6 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */ case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return; printf("\n\t Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", ip6addr_string(obj_tptr), EXTRACT_32BITS(obj_tptr+16)); obj_tlen-=20; obj_tptr+=20; hexdump=TRUE; /* unless we have a TLV parser lets just hexdump */ break; #endif default: hexdump=TRUE; } break; case RSVP_OBJ_TIME_VALUES: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: if (obj_tlen < 4) return; printf("\n\t Refresh Period: %ums", EXTRACT_32BITS(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) return; printf("\n\t Msg-Version: %u, length: %u", (*obj_tptr & 0xf0) >> 4, EXTRACT_16BITS(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=EXTRACT_16BITS(obj_tptr+2)<<2; printf("\n\t Service Type: %s (%u), break bit %s set, Service length: %u", tok2str(rsvp_intserv_service_type_values,"unknown",*(obj_tptr)), *(obj_tptr), (*(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(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) return; printf("\n\t Source Address: %s, Source Port: %u", ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+6)); obj_tlen-=8; obj_tptr+=8; break; #ifdef INET6 case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return; printf("\n\t Source Address: %s, Source Port: %u", ip6addr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+18)); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_3: if (obj_tlen < 20) return; printf("\n\t Source Address: %s, Flow Label: %u", ip6addr_string(obj_tptr), EXTRACT_24BITS(obj_tptr+17)); obj_tlen-=20; obj_tptr+=20; break; case RSVP_CTYPE_TUNNEL_IPV6: if (obj_tlen < 20) return; printf("\n\t Source Address: %s, LSP-ID: 0x%04x", ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+18)); obj_tlen-=20; obj_tptr+=20; break; #endif case RSVP_CTYPE_TUNNEL_IPV4: if (obj_tlen < 8) return; printf("\n\t Source Address: %s, LSP-ID: 0x%04x", ipaddr_string(obj_tptr), EXTRACT_16BITS(obj_tptr+6)); obj_tlen-=8; obj_tptr+=8; break; default: hexdump=TRUE; } break; case RSVP_OBJ_FASTREROUTE: switch(rsvp_obj_ctype) { case RSVP_CTYPE_TUNNEL_IPV4: if (obj_tlen < 16) return; bw.i = EXTRACT_32BITS(obj_tptr+4); printf("\n\t Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", (int)*obj_tptr, (int)*(obj_tptr+1), (int)*(obj_tptr+2), bw.f*8/1000000); printf("\n\t Include Colors: 0x%08x, Exclude Colors: 0x%08x", EXTRACT_32BITS(obj_tptr+8), EXTRACT_32BITS(obj_tptr+12)); 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) { printf("\n\t PLR-ID: %s, Avoid-Node-ID: %s", ipaddr_string(obj_tptr), ipaddr_string(obj_tptr+4)); obj_tlen-=8; obj_tptr+=8; } 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) return; error_code=*(obj_tptr+5); error_value=EXTRACT_16BITS(obj_tptr+6); printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)", ipaddr_string(obj_tptr), *(obj_tptr+4), tok2str(rsvp_obj_error_code_values,"unknown",error_code), error_code); switch (error_code) { case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING: printf(", Error Value: %s (%u)", tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value), error_value); break; default: printf(", Unknown Error Value (%u)", error_value); break; } obj_tlen-=8; obj_tptr+=8; break; #ifdef INET6 case RSVP_CTYPE_4: /* fall through - FIXME add TLV parser */ case RSVP_CTYPE_IPV6: if (obj_tlen < 20) return; error_code=*(obj_tptr+17); error_value=EXTRACT_16BITS(obj_tptr+18); printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)", ip6addr_string(obj_tptr), *(obj_tptr+16), tok2str(rsvp_obj_error_code_values,"unknown",error_code), error_code); switch (error_code) { case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING: printf(", 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; #endif default: hexdump=TRUE; } break; case RSVP_OBJ_PROPERTIES: switch(rsvp_obj_ctype) { case RSVP_CTYPE_1: if (obj_tlen < 4) return; padbytes = EXTRACT_16BITS(obj_tptr+2); printf("\n\t TLV count: %u, padding bytes: %u", EXTRACT_16BITS(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) { printf("\n\t %s TLV (0x%02x), length: %u", /* length includes header */ tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr), *obj_tptr, *(obj_tptr+1)); if (obj_tlen < *(obj_tptr+1)) return; print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2); obj_tlen-=*(obj_tptr+1); obj_tptr+=*(obj_tptr+1); } break; default: hexdump=TRUE; } break; /* * FIXME those are the defined objects that lack a decoder * you are welcome to contribute code ;-) */ case RSVP_OBJ_INTEGRITY: case RSVP_OBJ_SCOPE: case RSVP_OBJ_POLICY_DATA: case RSVP_OBJ_MESSAGE_ID: case RSVP_OBJ_MESSAGE_ID_ACK: case RSVP_OBJ_MESSAGE_ID_LIST: case RSVP_OBJ_LABEL_SET: case RSVP_OBJ_ACCEPT_LABEL_SET: case RSVP_OBJ_PROTECTION: default: if (vflag <= 1) print_unknown_data(obj_tptr,"\n\t ",obj_tlen); break; } /* do we want to see an additionally hexdump ? */ if (vflag > 1 || hexdump==TRUE) print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", rsvp_obj_len-sizeof(struct rsvp_object_header)); tptr+=rsvp_obj_len; tlen-=rsvp_obj_len; } return; trunc: printf("\n\t\t packet exceeded snapshot"); }