X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/6ec714988caac3bf9fedc766ae51a2248896ec80..HEAD:/print-carp.c diff --git a/print-carp.c b/print-carp.c index 807e977f..a073908d 100644 --- a/print-carp.c +++ b/print-carp.c @@ -36,48 +36,42 @@ /* \summary: Common Address Redundancy Protocol (CARP) printer */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif +#include -#include +#include "netdissect-stdinc.h" #include "netdissect.h" /* for checksum structure and functions */ #include "extract.h" void -carp_print(netdissect_options *ndo, const u_char *bp, u_int len, int ttl) +carp_print(netdissect_options *ndo, const u_char *bp, u_int len, u_int ttl) { - int version, type; + u_int version, type; const char *type_s; - ND_TCHECK_1(bp); - version = (EXTRACT_U_1(bp) & 0xf0) >> 4; - type = EXTRACT_U_1(bp) & 0x0f; + ndo->ndo_protocol = "carp"; + nd_print_protocol_caps(ndo); + version = (GET_U_1(bp) & 0xf0) >> 4; + type = GET_U_1(bp) & 0x0f; if (type == 1) type_s = "advertise"; else type_s = "unknown"; - ND_PRINT((ndo, "CARPv%d-%s %d: ", version, type_s, len)); + ND_PRINT("v%u-%s %u: ", version, type_s, len); if (ttl != 255) - ND_PRINT((ndo, "[ttl=%d!] ", ttl)); + ND_PRINT("[ttl=%u!] ", ttl); if (version != 2 || type != 1) return; - ND_TCHECK_1(bp + 2); - ND_TCHECK_1(bp + 5); - ND_PRINT((ndo, "vhid=%d advbase=%d advskew=%d authlen=%d ", - EXTRACT_U_1(bp + 1), EXTRACT_U_1(bp + 5), EXTRACT_U_1(bp + 2), EXTRACT_U_1(bp + 3))); + ND_PRINT("vhid=%u advbase=%u advskew=%u authlen=%u ", + GET_U_1(bp + 1), GET_U_1(bp + 5), GET_U_1(bp + 2), + GET_U_1(bp + 3)); if (ndo->ndo_vflag) { struct cksum_vec vec[1]; vec[0].ptr = (const uint8_t *)bp; vec[0].len = len; if (ND_TTEST_LEN(bp, len) && in_cksum(vec, 1)) - ND_PRINT((ndo, " (bad carp cksum %x!)", - EXTRACT_BE_U_2(bp + 6))); + ND_PRINT(" (bad carp cksum %x!)", + GET_BE_U_2(bp + 6)); } - ND_PRINT((ndo, "counter=%" PRIu64, EXTRACT_BE_U_8(bp + 8))); - - return; -trunc: - ND_PRINT((ndo, "[|carp]")); + ND_PRINT("counter=%" PRIu64, GET_BE_U_8(bp + 8)); }