?? print-bgp.c
字號:
break; case (AFNUM_INET6<<8 | SAFNUM_VPNUNICAST): case (AFNUM_INET6<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_INET6<<8 | SAFNUM_VPNUNIMULTICAST): if (tlen < (int)(sizeof(struct in6_addr)+BGP_VPN_RD_LEN)) { printf("invalid len"); tlen = 0; } else { TCHECK2(tptr[0], sizeof(struct in6_addr)+BGP_VPN_RD_LEN); printf("RD: %s, %s", bgp_vpn_rd_print(tptr), getname6(tptr+BGP_VPN_RD_LEN)); tlen -= (sizeof(struct in6_addr)+BGP_VPN_RD_LEN); tptr += (sizeof(struct in6_addr)+BGP_VPN_RD_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): if (tlen < (int)sizeof(struct in_addr)) { printf("invalid len"); tlen = 0; } else { TCHECK2(tptr[0], sizeof(struct in_addr)); printf("%s", getname(tptr)); tlen -= (sizeof(struct in_addr)); tptr += (sizeof(struct in_addr)); } break; case (AFNUM_NSAP<<8 | SAFNUM_UNICAST): case (AFNUM_NSAP<<8 | SAFNUM_MULTICAST): case (AFNUM_NSAP<<8 | SAFNUM_UNIMULTICAST): TCHECK2(tptr[0], tlen); printf("%s",isonsap_string(tptr,tlen)); tptr += tlen; tlen = 0; break; case (AFNUM_NSAP<<8 | SAFNUM_VPNUNICAST): case (AFNUM_NSAP<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_NSAP<<8 | SAFNUM_VPNUNIMULTICAST): if (tlen < BGP_VPN_RD_LEN+1) { printf("invalid len"); tlen = 0; } else { TCHECK2(tptr[0], tlen); printf("RD: %s, %s", bgp_vpn_rd_print(tptr), isonsap_string(tptr+BGP_VPN_RD_LEN,tlen-BGP_VPN_RD_LEN)); /* rfc986 mapped IPv4 address ? */ if (EXTRACT_32BITS(tptr+BGP_VPN_RD_LEN) == 0x47000601) printf(" = %s", getname(tptr+BGP_VPN_RD_LEN+4));#ifdef INET6 /* rfc1888 mapped IPv6 address ? */ else if (EXTRACT_24BITS(tptr+BGP_VPN_RD_LEN) == 0x350000) printf(" = %s", getname6(tptr+BGP_VPN_RD_LEN+3));#endif tptr += tlen; tlen = 0; } break; default: TCHECK2(tptr[0], tlen); printf("no AFI %u/SAFI %u decoder",af,safi); if (vflag <= 1) print_unknown_data(tptr,"\n\t ",tlen); tptr += tlen; tlen = 0; goto done; break; } } } printf(", nh-length: %u", nhlen); tptr += tlen; TCHECK(tptr[0]); snpa = tptr[0]; tptr++; if (snpa) { printf("\n\t %u SNPA", snpa); for (/*nothing*/; snpa > 0; snpa--) { TCHECK(tptr[0]); printf("\n\t %d bytes", tptr[0]); tptr += tptr[0] + 1; } } else { printf(", no SNPA"); } while (len - (tptr - pptr) > 0) { switch (af<<8 | safi) { case (AFNUM_INET<<8 | SAFNUM_UNICAST): case (AFNUM_INET<<8 | SAFNUM_MULTICAST): case (AFNUM_INET<<8 | SAFNUM_UNIMULTICAST): advance = decode_prefix4(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_INET<<8 | SAFNUM_LABUNICAST): advance = decode_labeled_prefix4(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_INET<<8 | SAFNUM_VPNUNICAST): case (AFNUM_INET<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_INET<<8 | SAFNUM_VPNUNIMULTICAST): advance = decode_labeled_vpn_prefix4(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_INET<<8 | SAFNUM_RT_ROUTING_INFO): advance = decode_rt_routing_info(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_INET<<8 | SAFNUM_MULTICAST_VPN): /* fall through */ case (AFNUM_INET6<<8 | SAFNUM_MULTICAST_VPN): advance = decode_multicast_vpn(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break;#ifdef INET6 case (AFNUM_INET6<<8 | SAFNUM_UNICAST): case (AFNUM_INET6<<8 | SAFNUM_MULTICAST): case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST): advance = decode_prefix6(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_INET6<<8 | SAFNUM_LABUNICAST): advance = decode_labeled_prefix6(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_INET6<<8 | SAFNUM_VPNUNICAST): case (AFNUM_INET6<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_INET6<<8 | SAFNUM_VPNUNIMULTICAST): advance = decode_labeled_vpn_prefix6(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else 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): advance = decode_labeled_vpn_l2(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_NSAP<<8 | SAFNUM_UNICAST): case (AFNUM_NSAP<<8 | SAFNUM_MULTICAST): case (AFNUM_NSAP<<8 | SAFNUM_UNIMULTICAST): advance = decode_clnp_prefix(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_NSAP<<8 | SAFNUM_VPNUNICAST): case (AFNUM_NSAP<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_NSAP<<8 | SAFNUM_VPNUNIMULTICAST): advance = decode_labeled_vpn_clnp_prefix(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; default: TCHECK2(*tptr,tlen); printf("\n\t no AFI %u / SAFI %u decoder",af,safi); if (vflag <= 1) print_unknown_data(tptr,"\n\t ",tlen); advance = 0; tptr = pptr + len; break; } if (advance < 0) break; tptr += advance; } done: break; case BGPTYPE_MP_UNREACH_NLRI: TCHECK2(tptr[0], BGP_MP_NLRI_MINSIZE); af = EXTRACT_16BITS(tptr); safi = tptr[2]; printf("\n\t AFI: %s (%u), %sSAFI: %s (%u)", tok2strbuf(af_values, "Unknown AFI", af, tokbuf, sizeof(tokbuf)), af, (safi>128) ? "vendor specific " : "", /* 128 is meanwhile wellknown */ tok2strbuf(bgp_safi_values, "Unknown SAFI", safi, tokbuf, sizeof(tokbuf)), safi); if (len == BGP_MP_NLRI_MINSIZE) printf("\n\t End-of-Rib Marker (empty NLRI)"); tptr += 3; while (len - (tptr - pptr) > 0) { switch (af<<8 | safi) { case (AFNUM_INET<<8 | SAFNUM_UNICAST): case (AFNUM_INET<<8 | SAFNUM_MULTICAST): case (AFNUM_INET<<8 | SAFNUM_UNIMULTICAST): advance = decode_prefix4(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_INET<<8 | SAFNUM_LABUNICAST): advance = decode_labeled_prefix4(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_INET<<8 | SAFNUM_VPNUNICAST): case (AFNUM_INET<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_INET<<8 | SAFNUM_VPNUNIMULTICAST): advance = decode_labeled_vpn_prefix4(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break;#ifdef INET6 case (AFNUM_INET6<<8 | SAFNUM_UNICAST): case (AFNUM_INET6<<8 | SAFNUM_MULTICAST): case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST): advance = decode_prefix6(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_INET6<<8 | SAFNUM_LABUNICAST): advance = decode_labeled_prefix6(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_INET6<<8 | SAFNUM_VPNUNICAST): case (AFNUM_INET6<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_INET6<<8 | SAFNUM_VPNUNIMULTICAST): advance = decode_labeled_vpn_prefix6(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else 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): advance = decode_labeled_vpn_l2(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_NSAP<<8 | SAFNUM_UNICAST): case (AFNUM_NSAP<<8 | SAFNUM_MULTICAST): case (AFNUM_NSAP<<8 | SAFNUM_UNIMULTICAST): advance = decode_clnp_prefix(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_NSAP<<8 | SAFNUM_VPNUNICAST): case (AFNUM_NSAP<<8 | SAFNUM_VPNMULTICAST): case (AFNUM_NSAP<<8 | SAFNUM_VPNUNIMULTICAST): advance = decode_labeled_vpn_clnp_prefix(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t %s", buf); break; case (AFNUM_INET<<8 | SAFNUM_MULTICAST_VPN): /* fall through */ case (AFNUM_INET6<<8 | SAFNUM_MULTICAST_VPN): advance = decode_multicast_vpn(tptr, buf, sizeof(buf)); if (advance == -1) printf("\n\t (illegal prefix length)"); else if (advance == -2) goto trunc; else printf("\n\t ?? 快捷鍵說明
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