X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/a9e42111da1bb839deccb2f393ee4bce9561c2d6..4ef024c8e94459e3ab9afae90e1948406e1d04db:/print-ldp.c diff --git a/print-ldp.c b/print-ldp.c index f387affd..40c9d8c2 100644 --- a/print-ldp.c +++ b/print-ldp.c @@ -14,14 +14,15 @@ * and Steinar Haug (sthaug@nethelp.no) */ -#define NETDISSECT_REWORKED +/* \summary: Label Distribution Protocol (LDP) printer */ + #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include +#include -#include "interface.h" +#include "netdissect.h" #include "extract.h" #include "addrtoname.h" @@ -234,8 +235,8 @@ static int ldp_pdu_print(netdissect_options *, register const u_char *); static int ldp_tlv_print(netdissect_options *ndo, register const u_char *tptr, - u_short msg_tlen) { - + u_short msg_tlen) +{ struct ldp_tlv_header { uint8_t type[2]; uint8_t length[2]; @@ -284,12 +285,10 @@ ldp_tlv_print(netdissect_options *ndo, TLV_TCHECK(4); ND_PRINT((ndo, "\n\t IPv4 Transport Address: %s", ipaddr_string(ndo, tptr))); break; -#ifdef INET6 case LDP_TLV_IPV6_TRANSPORT_ADDR: TLV_TCHECK(16); ND_PRINT((ndo, "\n\t IPv6 Transport Address: %s", ip6addr_string(ndo, tptr))); break; -#endif case LDP_TLV_CONFIG_SEQ_NUMBER: TLV_TCHECK(4); ND_PRINT((ndo, "\n\t Sequence Number: %u", EXTRACT_32BITS(tptr))); @@ -311,7 +310,6 @@ ldp_tlv_print(netdissect_options *ndo, tptr+=sizeof(struct in_addr); } break; -#ifdef INET6 case AFNUM_INET6: while(tlv_tlen >= sizeof(struct in6_addr)) { ND_TCHECK2(*tptr, sizeof(struct in6_addr)); @@ -320,7 +318,6 @@ ldp_tlv_print(netdissect_options *ndo, tptr+=sizeof(struct in6_addr); } break; -#endif default: /* unknown AF */ break; @@ -365,7 +362,6 @@ ldp_tlv_print(netdissect_options *ndo, else ND_PRINT((ndo, ": IPv4 prefix %s", buf)); } -#ifdef INET6 else if (af == AFNUM_INET6) { i=decode_prefix6(ndo, tptr, tlv_tlen, buf, sizeof(buf)); if (i == -2) @@ -377,24 +373,27 @@ ldp_tlv_print(netdissect_options *ndo, else ND_PRINT((ndo, ": IPv6 prefix %s", buf)); } -#endif else ND_PRINT((ndo, ": Address family %u prefix", af)); break; case LDP_FEC_HOSTADDRESS: break; case LDP_FEC_MARTINI_VC: + /* + * We assume the type was supposed to be one of the MPLS + * Pseudowire Types. + */ + TLV_TCHECK(7); + vc_info_len = *(tptr+2); + /* * According to RFC 4908, the VC info Length field can be zero, * in which case not only are there no interface parameters, * there's no VC ID. */ - TLV_TCHECK(7); - vc_info_len = *(tptr+2); - if (vc_info_len == 0) { ND_PRINT((ndo, ": %s, %scontrol word, group-ID %u, VC-info-length: %u", - tok2str(l2vpn_encaps_values, "Unknown", EXTRACT_16BITS(tptr)&0x7fff), + tok2str(mpls_pw_types_values, "Unknown", EXTRACT_16BITS(tptr)&0x7fff), EXTRACT_16BITS(tptr)&0x8000 ? "" : "no ", EXTRACT_32BITS(tptr+3), vc_info_len)); @@ -404,7 +403,7 @@ ldp_tlv_print(netdissect_options *ndo, /* Make sure we have the VC ID as well */ TLV_TCHECK(11); ND_PRINT((ndo, ": %s, %scontrol word, group-ID %u, VC-ID %u, VC-info-length: %u", - tok2str(l2vpn_encaps_values, "Unknown", EXTRACT_16BITS(tptr)&0x7fff), + tok2str(mpls_pw_types_values, "Unknown", EXTRACT_16BITS(tptr)&0x7fff), EXTRACT_16BITS(tptr)&0x8000 ? "" : "no ", EXTRACT_32BITS(tptr+3), EXTRACT_32BITS(tptr+7), @@ -545,8 +544,8 @@ badtlv: void ldp_print(netdissect_options *ndo, - register const u_char *pptr, register u_int len) { - + register const u_char *pptr, register u_int len) +{ int processed; while (len > (sizeof(struct ldp_common_header) + sizeof(struct ldp_msg_header))) { processed = ldp_pdu_print(ndo, pptr); @@ -559,8 +558,8 @@ ldp_print(netdissect_options *ndo, static int ldp_pdu_print(netdissect_options *ndo, - register const u_char *pptr) { - + register const u_char *pptr) +{ const struct ldp_common_header *ldp_com_header; const struct ldp_msg_header *ldp_msg_header; const u_char *tptr,*msg_tptr;