X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/56e6581c34ceec5469b9f37c19b31a36b0256f3c..c39d40a767a1ae36171e5bcbf6f157ff3e80fb6c:/print-msdp.c diff --git a/print-msdp.c b/print-msdp.c index ea476cb5..7845116b 100644 --- a/print-msdp.c +++ b/print-msdp.c @@ -36,17 +36,16 @@ msdp_print(netdissect_options *ndo, const u_char *sp, u_int length) unsigned int type, len; ndo->ndo_protocol = "msdp"; - ND_TCHECK_3(sp); + ND_PRINT(": "); + nd_print_protocol(ndo); /* See if we think we're at the beginning of a compound packet */ - type = EXTRACT_U_1(sp); - len = EXTRACT_BE_U_2(sp + 1); + type = GET_U_1(sp); + len = GET_BE_U_2(sp + 1); if (len > 1500 || len < 3 || type == 0 || type > MSDP_TYPE_MAX) goto trunc; /* not really truncated, but still not decodable */ - ND_PRINT(" msdp:"); while (length != 0) { - ND_TCHECK_3(sp); - type = EXTRACT_U_1(sp); - len = EXTRACT_BE_U_2(sp + 1); + type = GET_U_1(sp); + len = GET_BE_U_2(sp + 1); if (len > 1400 || ndo->ndo_vflag) ND_PRINT(" [len %u]", len); if (len < 3) @@ -62,22 +61,20 @@ msdp_print(netdissect_options *ndo, const u_char *sp, u_int length) ND_PRINT(" SA"); else ND_PRINT(" SA-Response"); - ND_TCHECK_1(sp); - ND_PRINT(" %u entries", EXTRACT_U_1(sp)); - if ((u_int)((EXTRACT_U_1(sp) * 12) + 8) < len) { + ND_PRINT(" %u entries", GET_U_1(sp)); + if ((u_int)((GET_U_1(sp) * 12) + 8) < len) { ND_PRINT(" [w/data]"); if (ndo->ndo_vflag > 1) { ND_PRINT(" "); ip_print(ndo, sp + - EXTRACT_U_1(sp) * 12 + 8 - 3, - len - (EXTRACT_U_1(sp) * 12 + 8)); + GET_U_1(sp) * 12 + 8 - 3, + len - (GET_U_1(sp) * 12 + 8)); } } break; case 2: ND_PRINT(" SA-Request"); - ND_TCHECK_5(sp); - ND_PRINT(" for %s", ipaddr_string(ndo, sp + 1)); + ND_PRINT(" for %s", GET_IPADDR_STRING(sp + 1)); break; case 4: ND_PRINT(" Keepalive"); @@ -96,5 +93,5 @@ msdp_print(netdissect_options *ndo, const u_char *sp, u_int length) } return; trunc: - ND_PRINT(" [|msdp]"); + nd_print_trunc(ndo); }