X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/3e12b0b42cd8d08df77a02374ffae47c23748bf1..3b97eb047bfcee083e490e19c72f11fec4bd7a02:/print-rsvp.c diff --git a/print-rsvp.c b/print-rsvp.c index 3858a2b0..63606fcc 100644 --- a/print-rsvp.c +++ b/print-rsvp.c @@ -14,8 +14,8 @@ */ #ifndef lint -static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.1 2002-10-03 16:01:58 hannes Exp $"; +static const char rcsid[] _U_ = + "@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.32 2004-09-16 09:02:43 hannes Exp $"; #endif #ifdef HAVE_CONFIG_H @@ -26,11 +26,13 @@ static const char rcsid[] = #include #include +#include #include "interface.h" #include "extract.h" #include "addrtoname.h" #include "ethertype.h" +#include "gmpls.h" /* * RFC 2205 common header @@ -45,12 +47,12 @@ static const char rcsid[] = */ struct rsvp_common_header { - u_char version_flags; - u_char msg_type; - u_char checksum[2]; - u_char ttl; - u_char reserved; - u_char length[2]; + 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]; }; /* @@ -68,13 +70,14 @@ struct rsvp_common_header { */ struct rsvp_object_header { - u_char length[2]; - u_char class_num; - u_char ctype; + 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 @@ -105,36 +108,49 @@ static const struct tok rsvp_msg_type_values[] = { { 0, NULL} }; -#define RSVP_OBJ_SESSION 1 -#define RSVP_OBJ_RSVP_HOP 3 +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 -#define RSVP_OBJ_ERROR_SPEC 6 +#define RSVP_OBJ_TIME_VALUES 5 /* rfc2205 */ +#define RSVP_OBJ_ERROR_SPEC 6 #define RSVP_OBJ_SCOPE 7 -#define RSVP_OBJ_STYLE 8 -#define RSVP_OBJ_FLOWSPEC 9 -#define RSVP_OBJ_FILTERSPEC 10 +#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 -#define RSVP_OBJ_ADSPEC 13 +#define RSVP_OBJ_SENDER_TSPEC 12 /* rfc2215 */ +#define RSVP_OBJ_ADSPEC 13 /* rfc2215 */ #define RSVP_OBJ_POLICY_DATA 14 -#define RSVP_OBJ_CONFIRM 15 -#define RSVP_OBJ_LABEL 16 -#define RSVP_OBJ_LABEL_REQ 19 -#define RSVP_OBJ_ERO 20 -#define RSVP_OBJ_RRO 21 -#define RSVP_OBJ_HELLO 22 +#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 -#define RSVP_OBJ_UPSTREAM_LABEL 35 -#define RSVP_OBJ_DETOUR 63 -#define RSVP_OBJ_SUGGESTED_LABEL 129 -#define RSVP_OBJ_PROPERTIES 204 -#define RSVP_OBJ_FASTREROUTE 205 -#define RSVP_OBJ_SESSION_ATTTRIBUTE 207 -#define RSVP_OBJ_RESTART_CAPABILITY 131 +#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_CLASSTYPE 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_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" }, @@ -161,23 +177,96 @@ static const struct tok rsvp_obj_values[] = { { 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_SUGGESTED_LABEL, "Suggested Label" }, { RSVP_OBJ_PROPERTIES, "Properties" }, { RSVP_OBJ_FASTREROUTE, "Fast Re-Route" }, - { RSVP_OBJ_SESSION_ATTTRIBUTE, "Session Attribute" }, + { 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[] = { - { RSVP_CTYPE_IPV4, "IPv4" }, - { RSVP_CTYPE_IPV6, "IPv6" }, - { RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" }, + { 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_MESSAGE_ID+RSVP_CTYPE_1, "1" }, + { 256*RSVP_OBJ_MESSAGE_ID_ACK+RSVP_CTYPE_1, "1" }, + { 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_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" }, + { 256*RSVP_OBJ_CLASSTYPE+RSVP_CTYPE_1, "1" }, { 0, NULL} }; @@ -199,50 +288,265 @@ static const struct tok rsvp_obj_xro_values[] = { { 0, NULL} }; -void -rsvp_print(register const u_char *pptr, register u_int len) { +/* 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} +}; - 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; +static const struct tok rsvp_resstyle_values[] = { + { 17, "Wildcard Filter" }, + { 10, "Fixed Filter" }, + { 18, "Shared Explicit" }, + { 0, NULL} +}; - tptr=pptr; - rsvp_com_header = (const struct rsvp_common_header *)pptr; - TCHECK(*rsvp_com_header); +#define RSVP_OBJ_INTSERV_GUARANTEED_SERV 2 +#define RSVP_OBJ_INTSERV_CONTROLLED_LOAD 5 - /* - * 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; - } +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} +}; - /* 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; - } +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} +}; - /* ok they seem to want to know everything - lets fully decode it */ +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} +}; - printf("RSVP, length: %u",len); +static struct tok rsvp_obj_prop_tlv_values[] = { + { 0x01, "Cos" }, + { 0x02, "Metric 1" }, + { 0x04, "Metric 2" }, + { 0x08, "CCC Status" }, + { 0x10, "Path Type" }, + { 0, NULL} +}; - tlen=EXTRACT_16BITS(rsvp_com_header->length); +#define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24 +#define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25 +#define RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE 125 - printf("\n\tv: %u, msg-type: %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), - tlen, - rsvp_com_header->ttl, - EXTRACT_16BITS(rsvp_com_header->checksum)); +static 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" }, + { 0, NULL} +}; - tptr+=sizeof(const struct rsvp_common_header); - tlen-=sizeof(const struct rsvp_common_header); +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} +}; + +static struct tok rsvp_obj_error_code_diffserv_te_values[] = { + { 1, "Unexpected CLASSTYPE object" }, + { 2, "Unsupported Class-Type" }, + { 3, "Invalid Class-Type value" }, + { 4, "Class-Type and setup priority do not form a configured TE-Class" }, + { 5, "Class-Type and holding priority do not form a configured TE-Class" }, + { 6, "Inconsistency between signaled PSC and signaled Class-Type" }, + { 7, "Inconsistency between signaled PHBs and signaled Class-Type" }, + { 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 */ +} + +static int +rsvp_obj_print (const u_char *tptr, const char *ident, u_int tlen) { + + const struct rsvp_object_header *rsvp_obj_header; + const u_char *obj_tptr; + u_short rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen; + int hexdump,processed,padbytes,error_code,error_value,i; + union { + float f; + u_int32_t i; + } bw; + u_int8_t namelen; while(tlen>0) { /* did we capture enough for fully decoding the object header ? */ @@ -253,116 +557,897 @@ rsvp_print(register const u_char *pptr, register u_int len) { rsvp_obj_len=EXTRACT_16BITS(rsvp_obj_header->length); rsvp_obj_ctype=rsvp_obj_header->ctype; - if(rsvp_obj_len % 4 || rsvp_obj_len < 4) - return; + if(rsvp_obj_len % 4 || rsvp_obj_len < sizeof(struct rsvp_object_header)) { + printf("ERROR: object header too short %u < %lu", rsvp_obj_len, + (unsigned long)sizeof(const struct rsvp_object_header)); + return -1; + } - printf("\n\t %s Object (%u), Class-Type: %s (%u), length: %u", - tok2str(rsvp_obj_values, "Unknown",rsvp_obj_header->class_num), + printf("%s%s Object (%u) Flags: [%s", + ident, + tok2str(rsvp_obj_values, + "Unknown", + rsvp_obj_header->class_num), rsvp_obj_header->class_num, - tok2str(rsvp_ctype_values, "Unknown",rsvp_obj_ctype), + ((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; + return -1; + hexdump=FALSE; switch(rsvp_obj_header->class_num) { - case RSVP_OBJ_LABEL: + case RSVP_OBJ_SESSION: + switch(rsvp_obj_ctype) { + case RSVP_CTYPE_IPV4: + if (obj_tlen < 8) + return -1; + printf("%s IPv4 DestAddress: %s, Protocol ID: 0x%02x", + ident, + ipaddr_string(obj_tptr), + *(obj_tptr+4)); + printf("%s Flags: [0x%02x], DestPort %u", + ident, + *(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 -1; + printf("%s IPv6 DestAddress: %s, Protocol ID: 0x%02x", + ident, + ip6addr_string(obj_tptr), + *(obj_tptr+16)); + printf("%s Flags: [0x%02x], DestPort %u", + ident, + *(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 -1; + printf("%s IPv6 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", + ident, + 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 -1; + printf("%s IPv4 Tunnel EndPoint: %s, Tunnel ID: 0x%04x, Extended Tunnel ID: %s", + ident, + 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 -1; + printf("%s IPv4 Receiver Address: %s", + ident, + ipaddr_string(obj_tptr)); + obj_tlen-=4; + obj_tptr+=4; + break; +#ifdef INET6 + case RSVP_CTYPE_IPV6: + if (obj_tlen < 16) + return -1; + printf("%s IPv6 Receiver Address: %s", + ident, + 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 -1; + printf("%s IPv4 Notify Node Address: %s", + ident, + ipaddr_string(obj_tptr)); + obj_tlen-=4; + obj_tptr+=4; + break; +#ifdef INET6 + case RSVP_CTYPE_IPV6: + if (obj_tlen < 16) + return-1; + printf("%s IPv6 Notify Node Address: %s", + ident, + 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)); + printf("%s Label: %u", ident, EXTRACT_32BITS(obj_tptr)); obj_tlen-=4; obj_tptr+=4; } break; + case RSVP_CTYPE_2: + if (obj_tlen < 4) + return-1; + printf("%s Generalized Label: %u", + ident, + EXTRACT_32BITS(obj_tptr)); + obj_tlen-=4; + obj_tptr+=4; + break; + case RSVP_CTYPE_3: + if (obj_tlen < 12) + return-1; + printf("%s Waveband ID: %u%s Start Label: %u, Stop Label: %u", + ident, + EXTRACT_32BITS(obj_tptr), + ident, + EXTRACT_32BITS(obj_tptr+4), + EXTRACT_32BITS(obj_tptr+8)); + obj_tlen-=12; + obj_tptr+=12; + break; + default: + hexdump=TRUE; } break; - case RSVP_OBJ_LABEL_REQ: + + case RSVP_OBJ_STYLE: + switch(rsvp_obj_ctype) { + case RSVP_CTYPE_1: + if (obj_tlen < 4) + return-1; + printf("%s Reservation Style: %s, Flags: [0x%02x]", + ident, + 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-1; + printf("%s Source Address: %s, Source Port: %u", + ident, + 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-1; + printf("%s Source Address: %s, Source Port: %u", + ident, + 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-1; + printf("%s IPv4 Tunnel Sender Address: %s, LSP-ID: 0x%04x", + ident, + 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", + printf("%s L3 Protocol ID: %s", + ident, tok2str(ethertype_values, - "Unknown Protocol 0x%04x", + "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-1; + printf("%s L3 Protocol ID: %s", + ident, + tok2str(ethertype_values, + "Unknown Protocol (0x%04x)", + EXTRACT_16BITS(obj_tptr+2))); + printf(",%s merge capability",((*(obj_tptr+4))&0x80) ? "no" : "" ); + printf("%s Minimum VPI/VCI: %u/%u", + ident, + (EXTRACT_16BITS(obj_tptr+4))&0xfff, + (EXTRACT_16BITS(obj_tptr+6))&0xfff); + printf("%s Maximum VPI/VCI: %u/%u", + ident, + (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-1; + printf("%s L3 Protocol ID: %s", + ident, + tok2str(ethertype_values, + "Unknown Protocol (0x%04x)", + EXTRACT_16BITS(obj_tptr+2))); + printf("%s Minimum/Maximum DLCI: %u/%u, %s%s bit DLCI", + ident, + (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-1; + printf("%s LSP Encoding Type: %s (%u)", + ident, + tok2str(gmpls_encoding_values, + "Unknown", + *obj_tptr), + *obj_tptr); + printf("%s Switching Type: %s (%u), Payload ID: %s (0x%04x)", + ident, + 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", + printf("%s Subobject Type: %s", + ident, 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", + printf(", %s, %s/%u, Flags: [%s]", RSVP_OBJ_XRO_MASK_LOOSE(*obj_tptr) ? "Loose" : "Strict", ipaddr_string(obj_tptr+2), - *(obj_tptr+6)); + *(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-1; + printf("%s Source Instance: 0x%08x, Destination Instance: 0x%08x", + ident, + 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-1; + printf("%s Restart Time: %ums, Recovery Time: %ums", + ident, + 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-1; + namelen = *(obj_tptr+3); + if (obj_tlen < 4+namelen) + return-1; + printf("%s Session Name: ", ident); + for (i = 0; i < namelen; i++) + safeputchar(*(obj_tptr+4+i)); + printf("%s Setup Priority: %u, Holding Priority: %u, Flags: [%s]", + ident, + (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-1; + printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", + ident, + 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-1; + printf("%s Previous/Next Interface: %s, Logical Interface Handle: 0x%08x", + ident, + 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-1; + printf("%s Refresh Period: %ums", + ident, + 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-1; + printf("%s Msg-Version: %u, length: %u", + ident, + (*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("%s Service Type: %s (%u), break bit %s set, Service length: %u", + ident, + 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-1; + printf("%s Source Address: %s, Source Port: %u", + ident, + 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-1; + printf("%s Source Address: %s, Source Port: %u", + ident, + 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-1; + printf("%s Source Address: %s, Flow Label: %u", + ident, + 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-1; + printf("%s Source Address: %s, LSP-ID: 0x%04x", + ident, + 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-1; + printf("%s Source Address: %s, LSP-ID: 0x%04x", + ident, + 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-1; + bw.i = EXTRACT_32BITS(obj_tptr+4); + printf("%s Setup Priority: %u, Holding Priority: %u, Hop-limit: %u, Bandwidth: %.10g Mbps", + ident, + (int)*obj_tptr, + (int)*(obj_tptr+1), + (int)*(obj_tptr+2), + bw.f*8/1000000); + printf("%s Include Colors: 0x%08x, Exclude Colors: 0x%08x", + ident, + 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("%s PLR-ID: %s, Avoid-Node-ID: %s", + ident, + ipaddr_string(obj_tptr), + ipaddr_string(obj_tptr+4)); + obj_tlen-=8; + obj_tptr+=8; + } + break; + default: + hexdump=TRUE; + } + break; + + case RSVP_OBJ_CLASSTYPE: + switch(rsvp_obj_ctype) { + case RSVP_CTYPE_1: + printf("%s Class Type: %u", + ident, + EXTRACT_32BITS(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) + return-1; + error_code=*(obj_tptr+5); + error_value=EXTRACT_16BITS(obj_tptr+6); + printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", + ident, + ipaddr_string(obj_tptr), + *(obj_tptr+4), + ident, + 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; + case RSVP_OBJ_ERROR_SPEC_CODE_DIFFSERV_TE: + printf(", Error Value: %s (%u)", + tok2str(rsvp_obj_error_code_diffserv_te_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-1; + error_code=*(obj_tptr+17); + error_value=EXTRACT_16BITS(obj_tptr+18); + printf("%s Error Node Address: %s, Flags: [0x%02x]%s Error Code: %s (%u)", + ident, + ip6addr_string(obj_tptr), + *(obj_tptr+16), + ident, + 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-1; + padbytes = EXTRACT_16BITS(obj_tptr+2); + printf("%s TLV count: %u, padding bytes: %u", + ident, + 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("%s %s TLV (0x%02x), length: %u", /* length includes header */ + ident, + tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr), + *obj_tptr, + *(obj_tptr+1)); + if (obj_tlen < *(obj_tptr+1)) + return-1; + 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; + + 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: + if (obj_tlen < 8) + return-1; + printf("%s Flags [0x%02x], epoch: %u", + ident, + *obj_tptr, + EXTRACT_24BITS(obj_tptr+1)); + obj_tlen-=4; + obj_tptr+=4; + /* loop through as long there are no messages left */ + while(obj_tlen >= 4) { + printf("%s Message-ID 0x%08x (%u)", + ident, + EXTRACT_32BITS(obj_tptr), + EXTRACT_32BITS(obj_tptr)); + obj_tlen-=4; + obj_tptr+=4; + } + break; + default: + hexdump=TRUE; + } + break; + /* * FIXME those are the defined objects that lack a decoder * you are welcome to contribute code ;-) */ - case RSVP_OBJ_SESSION: - case RSVP_OBJ_RSVP_HOP: + case RSVP_OBJ_INTEGRITY: - case RSVP_OBJ_TIME_VALUES: - case RSVP_OBJ_ERROR_SPEC: case RSVP_OBJ_SCOPE: - case RSVP_OBJ_STYLE: - case RSVP_OBJ_FILTERSPEC: - case RSVP_OBJ_SENDER_TEMPLATE: - case RSVP_OBJ_SENDER_TSPEC: - case RSVP_OBJ_ADSPEC: case RSVP_OBJ_POLICY_DATA: - case RSVP_OBJ_CONFIRM: - case RSVP_OBJ_HELLO: - case RSVP_OBJ_MESSAGE_ID: - case RSVP_OBJ_MESSAGE_ID_ACK: - case RSVP_OBJ_MESSAGE_ID_LIST: - case RSVP_OBJ_RECOVERY_LABEL: - case RSVP_OBJ_UPSTREAM_LABEL: - case RSVP_OBJ_DETOUR: - case RSVP_OBJ_SUGGESTED_LABEL: - case RSVP_OBJ_PROPERTIES: - case RSVP_OBJ_FASTREROUTE: - case RSVP_OBJ_SESSION_ATTTRIBUTE: - case RSVP_OBJ_RESTART_CAPABILITY: + 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); + print_unknown_data(obj_tptr,"\n\t ",obj_tlen); /* FIXME indentation */ break; } - /* do we want to see an additionally hexdump ? */ - if (vflag > 1) - print_unknown_data(tptr+sizeof(sizeof(struct rsvp_object_header)),"\n\t ", + /* do we also want to see a hex dump ? */ + if (vflag > 1 || hexdump==TRUE) + print_unknown_data(tptr+sizeof(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; + return 0; trunc: printf("\n\t\t packet exceeded snapshot"); + return -1; } +void +rsvp_print(register const u_char *pptr, register u_int len) { + + const struct rsvp_common_header *rsvp_com_header; + const u_char *tptr,*subtptr; + u_short tlen,subtlen; + + 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("ERROR: 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("RSVPv%u %s Message, length: %u", + RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags), + 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("\n\tRSVPv%u %s Message (%u), 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), + 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)) { + printf("ERROR: common header too short %u < %lu", tlen, + (unsigned long)sizeof(const struct rsvp_common_header)); + return; + } + + tptr+=sizeof(const struct rsvp_common_header); + tlen-=sizeof(const struct rsvp_common_header); + + switch(rsvp_com_header->msg_type) { + + case RSVP_MSGTYPE_AGGREGATE: + while(tlen > 0) { + subtptr=tptr; + rsvp_com_header = (const struct rsvp_common_header *)subtptr; + TCHECK(*rsvp_com_header); + + /* + * Sanity checking of the header. + */ + if (RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags) != RSVP_VERSION) { + printf("ERROR: RSVP version %u packet not supported", + RSVP_EXTRACT_VERSION(rsvp_com_header->version_flags)); + return; + } + subtlen=EXTRACT_16BITS(rsvp_com_header->length); + + printf("\n\t RSVPv%u %s Message (%u), 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), + rsvp_com_header->msg_type, + bittok2str(rsvp_header_flag_values,"none",RSVP_EXTRACT_FLAGS(rsvp_com_header->version_flags)), + subtlen, + rsvp_com_header->ttl, + EXTRACT_16BITS(rsvp_com_header->checksum)); + + if (subtlen < sizeof(const struct rsvp_common_header)) { + printf("ERROR: common header too short %u < %lu", subtlen, + (unsigned long)sizeof(const struct rsvp_common_header)); + return; + } + + subtptr+=sizeof(const struct rsvp_common_header); + subtlen-=sizeof(const struct rsvp_common_header); + + if (rsvp_obj_print(subtptr,"\n\t ", subtlen) == -1) + return; + + tptr+=subtlen+sizeof(const struct rsvp_common_header); + tlen-=subtlen+sizeof(const 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: + if (rsvp_obj_print(tptr,"\n\t ", tlen) == -1) + return; + break; + + default: + print_unknown_data(tptr,"\n\t ",tlen); + break; + } + + return; +trunc: + printf("\n\t\t packet exceeded snapshot"); +}