X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/e9e7b4a942ba19f76194ba4073914c95a3b87818..c23f7b7dcf9c014cf531d75c22cc254c7ca35e55:/print-cnfp.c diff --git a/print-cnfp.c b/print-cnfp.c index 34baf8a3..5f9d1a3c 100644 --- a/print-cnfp.c +++ b/print-cnfp.c @@ -34,7 +34,7 @@ #ifndef lint static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-cnfp.c,v 1.3 2000-04-27 13:45:11 itojun Exp $"; + "@(#) $Header: /tcpdump/master/tcpdump/print-cnfp.c,v 1.8 2001-09-17 21:57:58 fenner Exp $"; #endif #ifdef HAVE_CONFIG_H @@ -47,13 +47,16 @@ static const char rcsid[] = #include #include -#include + +#include #include #include #include "interface.h" +#include "tcp.h" + struct nfhdr { u_int32_t ver_cnt; /* version [15], and # of records */ u_int32_t msys_uptime; @@ -75,8 +78,8 @@ struct nfrec { u_int32_t ports; /* src,dst ports */ u_int32_t proto_tos; /* proto, tos, pad, flags(v5) */ u_int32_t asses; /* v1: flags; v5: src,dst AS */ - u_int32_t masks; /* src,dst addr prefix */ - + u_int32_t masks; /* src,dst addr prefix; v6: encaps */ + struct in_addr peer_nexthop; /* v6: IP address of the nexthop within the peer (FIB)*/ }; void @@ -88,12 +91,11 @@ cnfp_print(const u_char *cp, u_int len, const u_char *bp) struct protoent *pent; int nrecs, ver; time_t t; - char *p; - ip = (struct ip *)bp; - nh = (struct nfhdr *)cp; + ip = (const struct ip *)bp; + nh = (const struct nfhdr *)cp; - if ((u_char *)(nh + 1) > snapend) + if ((const u_char *)(nh + 1) > snapend) return; nrecs = ntohl(nh->ver_cnt) & 0xffff; @@ -102,48 +104,56 @@ cnfp_print(const u_char *cp, u_int len, const u_char *bp) /* (p = ctime(&t))[24] = '\0'; */ printf("NetFlow v%x, %u.%03u uptime, %u.%09u, ", ver, - ntohl(nh->msys_uptime)/1000, ntohl(nh->msys_uptime)%1000, - ntohl(nh->utc_sec), ntohl(nh->utc_nsec)); + (unsigned)ntohl(nh->msys_uptime)/1000, + (unsigned)ntohl(nh->msys_uptime)%1000, + (unsigned)ntohl(nh->utc_sec), (unsigned)ntohl(nh->utc_nsec)); - if (ver == 5) { - printf("#%u, ", htonl(nh->sequence)); - nr = (struct nfrec *)&nh[1]; + if (ver == 5 || ver == 6) { + printf("#%u, ", (unsigned)htonl(nh->sequence)); + nr = (const struct nfrec *)&nh[1]; snaplen -= 24; } else { - nr = (struct nfrec *)&nh->sequence; + nr = (const struct nfrec *)&nh->sequence; snaplen -= 16; } printf("%2u recs", nrecs); - for (; nrecs-- && (u_char *)(nr + 1) <= snapend; nr++) { - char buf[5]; - char asbuf[7]; + for (; nrecs-- && (const u_char *)(nr + 1) <= snapend; nr++) { + char buf[20]; + char asbuf[20]; printf("\n started %u.%03u, last %u.%03u", - ntohl(nr->start_time)/1000, ntohl(nr->start_time)%1000, - ntohl(nr->last_time)/1000, ntohl(nr->last_time)%1000); + (unsigned)ntohl(nr->start_time)/1000, + (unsigned)ntohl(nr->start_time)%1000, + (unsigned)ntohl(nr->last_time)/1000, + (unsigned)ntohl(nr->last_time)%1000); asbuf[0] = buf[0] = '\0'; - if (ver == 5) { - sprintf(buf, "/%d", (ntohl(nr->masks) >> 24) & 0xff); - sprintf(asbuf, "%d:", (ntohl(nr->asses) >> 16) & 0xffff); + if (ver == 5 || ver == 6) { + snprintf(buf, sizeof(buf), "/%u", + (unsigned)(ntohl(nr->masks) >> 24) & 0xff); + snprintf(asbuf, sizeof(asbuf), ":%u", + (unsigned)(ntohl(nr->asses) >> 16) & 0xffff); } printf("\n %s%s%s:%u ", inet_ntoa(nr->src_ina), buf, asbuf, - ntohl(nr->ports) >> 16); + (unsigned)ntohl(nr->ports) >> 16); - if (ver == 5) { - sprintf(buf, "/%d", (ntohl(nr->masks) >> 16) & 0xff); - sprintf(asbuf, "%d:", ntohl(nr->asses) & 0xffff); + if (ver == 5 || ver ==6) { + snprintf(buf, sizeof(buf), "/%d", + (unsigned)(ntohl(nr->masks) >> 16) & 0xff); + snprintf(asbuf, sizeof(asbuf), ":%u", + (unsigned)ntohl(nr->asses) & 0xffff); } printf("> %s%s%s:%u ", inet_ntoa(nr->dst_ina), buf, asbuf, - ntohl(nr->ports) & 0xffff); + (unsigned)ntohl(nr->ports) & 0xffff); printf(">> %s\n ", inet_ntoa(nr->nhop_ina)); pent = getprotobynumber((ntohl(nr->proto_tos) >> 8) & 0xff); if (!pent || nflag) - printf("%u ", (ntohl(nr->proto_tos) >> 8) & 0xff); + printf("%u ", + (unsigned)(ntohl(nr->proto_tos) >> 8) & 0xff); else printf("%s ", pent->p_name); @@ -163,11 +173,16 @@ cnfp_print(const u_char *cp, u_int len, const u_char *bp) if (flags) putchar(' '); } - printf("tos %u, %u (%u octets)", ntohl(nr->proto_tos) & 0xff, - ntohl(nr->packets), ntohl(nr->octets)); - + buf[0]='\0'; + if (ver == 6) { + snprintf(buf, sizeof(buf), "(%u<>%u encaps)", + (unsigned)(ntohl(nr->masks) >> 8) & 0xff, + (unsigned)(ntohl(nr->masks)) & 0xff); + } + printf("tos %u, %u (%u octets) %s", + (unsigned)ntohl(nr->proto_tos) & 0xff, + (unsigned)ntohl(nr->packets), + (unsigned)ntohl(nr->octets), buf); } - } -