X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/4189fb7df651e5742b15488d2f59dae5f526e82b..d7b497cac78b6e22a66a6bae9bdec60a8044f67a:/print-msdp.c diff --git a/print-msdp.c b/print-msdp.c index a228ab7c..59a0a092 100644 --- a/print-msdp.c +++ b/print-msdp.c @@ -15,44 +15,39 @@ * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE. */ -#ifndef lint -static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/print-msdp.c,v 1.7 2005-04-06 21:32:41 mcr Exp $"; -#endif + +/* \summary: Multicast Source Discovery Protocol (MSDP) printer */ #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include - -#include -#include +#include -#include "interface.h" +#include "netdissect.h" #include "addrtoname.h" #include "extract.h" #define MSDP_TYPE_MAX 7 void -msdp_print(const unsigned char *sp, u_int length) +msdp_print(netdissect_options *ndo, const u_char *sp, u_int length) { unsigned int type, len; - TCHECK2(*sp, 3); + ND_TCHECK_3(sp); /* See if we think we're at the beginning of a compound packet */ type = *sp; - len = EXTRACT_16BITS(sp + 1); + len = EXTRACT_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 */ - (void)printf(" msdp:"); + ND_PRINT((ndo, " msdp:")); while (length > 0) { - TCHECK2(*sp, 3); + ND_TCHECK_3(sp); type = *sp; - len = EXTRACT_16BITS(sp + 1); - if (len > 1400 || vflag) - printf(" [len %u]", len); + len = EXTRACT_BE_U_2(sp + 1); + if (len > 1400 || ndo->ndo_vflag) + ND_PRINT((ndo, " [len %u]", len)); if (len < 3) goto trunc; sp += 3; @@ -61,35 +56,35 @@ msdp_print(const unsigned char *sp, u_int length) case 1: /* IPv4 Source-Active */ case 3: /* IPv4 Source-Active Response */ if (type == 1) - (void)printf(" SA"); + ND_PRINT((ndo, " SA")); else - (void)printf(" SA-Response"); - TCHECK(*sp); - (void)printf(" %u entries", *sp); + ND_PRINT((ndo, " SA-Response")); + ND_TCHECK(*sp); + ND_PRINT((ndo, " %u entries", EXTRACT_U_1(sp))); if ((u_int)((*sp * 12) + 8) < len) { - (void)printf(" [w/data]"); - if (vflag > 1) { - (void)printf(" "); - ip_print(gndo, sp + *sp * 12 + 8 - 3, + ND_PRINT((ndo, " [w/data]")); + if (ndo->ndo_vflag > 1) { + ND_PRINT((ndo, " ")); + ip_print(ndo, sp + *sp * 12 + 8 - 3, len - (*sp * 12 + 8)); } } break; case 2: - (void)printf(" SA-Request"); - TCHECK2(*sp, 5); - (void)printf(" for %s", ipaddr_string(sp + 1)); + ND_PRINT((ndo, " SA-Request")); + ND_TCHECK_5(sp); + ND_PRINT((ndo, " for %s", ipaddr_string(ndo, sp + 1))); break; case 4: - (void)printf(" Keepalive"); + ND_PRINT((ndo, " Keepalive")); if (len != 3) - (void)printf("[len=%d] ", len); + ND_PRINT((ndo, "[len=%d] ", len)); break; case 5: - (void)printf(" Notification"); + ND_PRINT((ndo, " Notification")); break; default: - (void)printf(" [type=%d len=%d]", type, len); + ND_PRINT((ndo, " [type=%d len=%d]", type, len)); break; } sp += (len - 3); @@ -97,7 +92,7 @@ msdp_print(const unsigned char *sp, u_int length) } return; trunc: - (void)printf(" [|msdp]"); + ND_PRINT((ndo, " [|msdp]")); } /*