X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/e49f62e37430b1a6e9250ab072d436c266044a1c..ffa1470e5c7ff0e50028d085a481dc797b0b51ed:/print-bgp.c diff --git a/print-bgp.c b/print-bgp.c index 3f63bdb4..e4c08f27 100644 --- a/print-bgp.c +++ b/print-bgp.c @@ -36,7 +36,7 @@ #ifndef lint static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/print-bgp.c,v 1.91.2.6 2005-06-03 07:31:43 hannes Exp $"; + "@(#) $Header: /tcpdump/master/tcpdump/print-bgp.c,v 1.91.2.9 2006-02-02 12:36:46 hannes Exp $"; #endif #include @@ -355,6 +355,7 @@ static struct tok bgp_safi_values[] = { #define AFNUM_DECNET 13 #define AFNUM_BANYAN 14 #define AFNUM_E164NSAP 15 +#define AFNUM_VPLS 25 /* draft-kompella-ppvpn-l2vpn */ #define AFNUM_L2VPN 196 /* still to be approved by IANA */ @@ -376,6 +377,7 @@ static struct tok bgp_afi_values[] = { { AFNUM_BANYAN, "Banyan Vines"}, { AFNUM_E164NSAP, "E.164 with NSAP subaddress"}, { AFNUM_L2VPN, "Layer-2 VPN"}, + { AFNUM_VPLS, "VPLS"}, { 0, NULL}, }; @@ -403,6 +405,14 @@ static struct tok bgp_afi_values[] = { #define BGP_EXT_COM_L2INFO 0x800a /* draft-kompella-ppvpn-l2vpn */ +/* http://www.cisco.com/en/US/tech/tk436/tk428/technologies_tech_note09186a00801eb09a.shtml */ +#define BGP_EXT_COM_EIGRP_GEN 0x8800 +#define BGP_EXT_COM_EIGRP_METRIC_AS_DELAY 0x8801 +#define BGP_EXT_COM_EIGRP_METRIC_REL_NH_BW 0x8802 +#define BGP_EXT_COM_EIGRP_METRIC_LOAD_MTU 0x8803 +#define BGP_EXT_COM_EIGRP_EXT_REMAS_REMID 0x8804 +#define BGP_EXT_COM_EIGRP_EXT_REMPROTO_REMMETRIC 0x8805 + static struct tok bgp_extd_comm_flag_values[] = { { 0x8000, "vendor-specific"}, { 0x4000, "non-transitive"}, @@ -427,6 +437,12 @@ static struct tok bgp_extd_comm_subtype_values[] = { { BGP_EXT_COM_OSPF_RID, "ospf-router-id"}, { BGP_EXT_COM_OSPF_RID2, "ospf-router-id"}, { BGP_EXT_COM_L2INFO, "layer2-info"}, + { BGP_EXT_COM_EIGRP_GEN , "eigrp-general-route (flag, tag)" }, + { BGP_EXT_COM_EIGRP_METRIC_AS_DELAY , "eigrp-route-metric (AS, delay)" }, + { BGP_EXT_COM_EIGRP_METRIC_REL_NH_BW , "eigrp-route-metric (reliability, nexthop, bandwidth)" }, + { BGP_EXT_COM_EIGRP_METRIC_LOAD_MTU , "eigrp-route-metric (load, MTU)" }, + { BGP_EXT_COM_EIGRP_EXT_REMAS_REMID , "eigrp-external-route (remote-AS, remote-ID)" }, + { BGP_EXT_COM_EIGRP_EXT_REMPROTO_REMMETRIC , "eigrp-external-route (remote-proto, remote-metric)" }, { 0, NULL}, }; @@ -491,6 +507,9 @@ decode_labeled_prefix4(const u_char *pptr, char *buf, u_int buflen) stacked labels in a a single BGP message */ + if (24 > plen) + return -1; + plen-=24; /* adjust prefixlen - labellength */ if (32 < plen) @@ -565,9 +584,15 @@ decode_rt_routing_info(const u_char *pptr, char *buf, u_int buflen) TCHECK(pptr[0]); plen = pptr[0]; /* get prefix length */ + if (0 == plen) + return 1; /* default route target */ + + if (32 > plen) + return -1; + plen-=32; /* adjust prefix length */ - if (0 < plen) + if (64 < plen) return -1; memset(&route_target, 0, sizeof(route_target)); @@ -596,6 +621,9 @@ decode_labeled_vpn_prefix4(const u_char *pptr, char *buf, u_int buflen) TCHECK(pptr[0]); plen = pptr[0]; /* get prefix length */ + if ((24+64) > plen) + return -1; + plen-=(24+64); /* adjust prefixlen - labellength - RD len*/ if (32 < plen) @@ -710,6 +738,10 @@ decode_labeled_prefix6(const u_char *pptr, char *buf, u_int buflen) TCHECK(pptr[0]); plen = pptr[0]; /* get prefix length */ + + if (24 > plen) + return -1; + plen-=24; /* adjust prefixlen - labellength */ if (128 < plen) @@ -744,6 +776,9 @@ decode_labeled_vpn_prefix6(const u_char *pptr, char *buf, u_int buflen) TCHECK(pptr[0]); plen = pptr[0]; /* get prefix length */ + if ((24+64) > plen) + return -1; + plen-=(24+64); /* adjust prefixlen - labellength - RD len*/ if (128 < plen) @@ -809,6 +844,9 @@ decode_labeled_vpn_clnp_prefix(const u_char *pptr, char *buf, u_int buflen) TCHECK(pptr[0]); plen = pptr[0]; /* get prefix length */ + if ((24+64) > plen) + return -1; + plen-=(24+64); /* adjust prefixlen - labellength - RD len*/ if (152 < plen) @@ -1018,6 +1056,7 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len) case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNICAST): case (AFNUM_L2VPN<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNIMULTICAST): + case (AFNUM_VPLS<<8 | SAFNUM_VPLS): break; default: TCHECK2(tptr[0], tlen); @@ -1101,6 +1140,7 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len) } break; #endif + case (AFNUM_VPLS<<8 | SAFNUM_VPLS): case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNICAST): case (AFNUM_L2VPN<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNIMULTICAST): @@ -1260,6 +1300,7 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len) printf("\n\t %s", buf); break; #endif + case (AFNUM_VPLS<<8 | SAFNUM_VPLS): case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNICAST): case (AFNUM_L2VPN<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNIMULTICAST): @@ -1394,6 +1435,7 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len) printf("\n\t %s", buf); break; #endif + case (AFNUM_VPLS<<8 | SAFNUM_VPLS): case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNICAST): case (AFNUM_L2VPN<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNIMULTICAST):