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https://github.com/the-tcpdump-group/tcpdump.git
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added support for parsing the RSVP Properties and Error Spec Object
This commit is contained in:
hannes
parent
ab6d9582af
commit
15e66a139f
113
print-rsvp.c
113
print-rsvp.c
@ -15,7 +15,7 @@
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#ifndef lint
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static const char rcsid[] =
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"@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.14 2002-12-14 02:03:10 hannes Exp $";
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"@(#) $Header: /tcpdump/master/tcpdump/print-rsvp.c,v 1.15 2003-03-05 11:13:34 hannes Exp $";
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#endif
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#ifdef HAVE_CONFIG_H
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@ -214,10 +214,13 @@ static const struct tok rsvp_ctype_values[] = {
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{ 256*RSVP_OBJ_LABEL+RSVP_CTYPE_1, "1" },
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{ 256*RSVP_OBJ_ERO+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_RRO+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV4, "IPv4" },
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{ 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_IPV6, "IPv6" },
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{ 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1, "IPv4" },
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{ 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
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{ 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
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{ 256*RSVP_OBJ_DETOUR+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
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{ 256*RSVP_OBJ_PROPERTIES+RSVP_CTYPE_1, "1" },
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{ 0, NULL}
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};
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@ -277,6 +280,38 @@ static struct tok rsvp_session_attribute_flag_values[] = {
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{ 0, NULL}
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};
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static struct tok rsvp_obj_prop_tlv_values[] = {
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{ 0x01, "Cos" },
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{ 0x02, "Metric 1" },
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{ 0x04, "Metric 2" },
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{ 0x08, "CCC Status" },
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{ 0x10, "Path Type" },
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{ 0, NULL}
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};
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#define RSVP_OBJ_ERROR_SPEC_CODE_ROUTING 24
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#define RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY 25
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static struct tok rsvp_obj_error_code_values[] = {
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{ RSVP_OBJ_ERROR_SPEC_CODE_ROUTING, "Routing Problem" },
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{ RSVP_OBJ_ERROR_SPEC_CODE_NOTIFY, "Notify Error" },
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{ 0, NULL}
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};
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static struct tok rsvp_obj_error_code_routing_values[] = {
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{ 1, "Bad EXPLICIT_ROUTE object" },
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{ 2, "Bad strict node" },
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{ 3, "Bad loose node" },
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{ 4, "Bad initial subobject" },
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{ 5, "No route available toward destination" },
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{ 6, "Unacceptable label value" },
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{ 7, "RRO indicated routing loops" },
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{ 8, "non-RSVP-capable router in the path" },
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{ 9, "MPLS label allocation failure" },
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{ 10, "Unsupported L3PID" },
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{ 0, NULL}
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};
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#define FALSE 0
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#define TRUE 1
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@ -422,7 +457,7 @@ rsvp_print(register const u_char *pptr, register u_int len) {
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const struct rsvp_object_header *rsvp_obj_header;
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const u_char *tptr,*obj_tptr;
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u_short tlen,rsvp_obj_len,rsvp_obj_ctype,obj_tlen,intserv_serv_tlen;
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int hexdump,processed;
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int hexdump,processed,padbytes,error_code,error_value;
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union {
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float f;
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u_int32_t i;
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@ -899,13 +934,84 @@ rsvp_print(register const u_char *pptr, register u_int len) {
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}
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break;
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case RSVP_OBJ_ERROR_SPEC:
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switch(rsvp_obj_ctype) {
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case RSVP_CTYPE_IPV4:
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error_code=*(obj_tptr+5);
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error_value=EXTRACT_16BITS(obj_tptr+6);
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printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
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ipaddr_string(obj_tptr),
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*(obj_tptr+4),
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tok2str(rsvp_obj_error_code_values,"unknown",error_code),
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error_code,
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error_value);
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switch (error_code) {
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case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
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printf(", Error Value: %s (%u)",
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tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value));
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break;
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default:
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printf(", Unknown Error Value (%u)");
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}
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break;
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#ifdef INET6
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case RSVP_CTYPE_IPV6:
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error_code=*(obj_tptr+17);
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error_value=EXTRACT_16BITS(obj_tptr+18);
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printf("\n\t Error Node Adress: %s, Flags: [0x%02x]\n\t Error Code: %s (%u)",
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ip6addr_string(obj_tptr),
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*(obj_tptr+16),
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tok2str(rsvp_obj_error_code_values,"unknown",error_code),
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error_code,
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error_value);
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switch (error_code) {
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case RSVP_OBJ_ERROR_SPEC_CODE_ROUTING:
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printf(", Error Value: %s (%u)",
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tok2str(rsvp_obj_error_code_routing_values,"unknown",error_value));
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break;
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default:
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printf(", Unknown Error Value (%u)");
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}
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break;
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#endif
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default:
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hexdump=TRUE;
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}
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break;
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case RSVP_OBJ_PROPERTIES:
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switch(rsvp_obj_ctype) {
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case RSVP_CTYPE_1:
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padbytes = EXTRACT_16BITS(obj_tptr+2);
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printf("\n\t TLV count: %u, padding bytes: %u",
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EXTRACT_16BITS(obj_tptr),
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padbytes);
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obj_tlen-=4;
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obj_tptr+=4;
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/* loop through as long there is anything longer than the TLV header (2) */
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while(obj_tlen >= 2 + padbytes) {
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printf("\n\t %s TLV (0x%02x), length: %u", /* length includes header */
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tok2str(rsvp_obj_prop_tlv_values,"unknown",*obj_tptr),
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*obj_tptr,
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*(obj_tptr+1));
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print_unknown_data(obj_tptr+2,"\n\t\t",*(obj_tptr+1)-2);
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obj_tlen-=*(obj_tptr+1);
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obj_tptr+=*(obj_tptr+1);
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}
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break;
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default:
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hexdump=TRUE;
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}
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break;
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/*
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* FIXME those are the defined objects that lack a decoder
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* you are welcome to contribute code ;-)
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*/
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case RSVP_OBJ_INTEGRITY:
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case RSVP_OBJ_ERROR_SPEC:
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case RSVP_OBJ_SCOPE:
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case RSVP_OBJ_POLICY_DATA:
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case RSVP_OBJ_MESSAGE_ID:
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@ -914,7 +1020,6 @@ rsvp_print(register const u_char *pptr, register u_int len) {
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case RSVP_OBJ_RECOVERY_LABEL:
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case RSVP_OBJ_UPSTREAM_LABEL:
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case RSVP_OBJ_SUGGESTED_LABEL:
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case RSVP_OBJ_PROPERTIES:
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default:
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if (vflag <= 1)
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print_unknown_data(obj_tptr,"\n\t ",obj_tlen);
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