X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/d38c366e0b646887210f7df7d0da5f7afdf2b316..dbd0cbc147d140e9bd34eefa7b66a17f691d49e0:/print-vrrp.c diff --git a/print-vrrp.c b/print-vrrp.c index fefb2d9a..12e47716 100644 --- a/print-vrrp.c +++ b/print-vrrp.c @@ -24,17 +24,18 @@ */ #ifndef lint -static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-vrrp.c,v 1.2 2000-07-29 06:22:17 assar Exp $"; +static const char rcsid[] _U_ = + "@(#) $Header: /tcpdump/master/tcpdump/print-vrrp.c,v 1.9.2.1 2005-05-06 07:57:20 guy Exp $"; #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif +#include + #include #include -#include #include "interface.h" #include "extract.h" @@ -62,40 +63,57 @@ static const char rcsid[] = * | Authentication Data (2) | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ + +/* Type */ +#define VRRP_TYPE_ADVERTISEMENT 1 + +static const struct tok type2str[] = { + { VRRP_TYPE_ADVERTISEMENT, "Advertisement" }, + { 0, NULL } +}; + +/* Auth Type */ +#define VRRP_AUTH_NONE 0 +#define VRRP_AUTH_SIMPLE 1 +#define VRRP_AUTH_AH 2 + +static const struct tok auth2str[] = { + { VRRP_AUTH_NONE, "none" }, + { VRRP_AUTH_SIMPLE, "simple" }, + { VRRP_AUTH_AH, "ah" }, + { 0, NULL } +}; + void vrrp_print(register const u_char *bp, register u_int len, int ttl) { int version, type, auth_type; - char *type_s; + const char *type_s; TCHECK(bp[0]); version = (bp[0] & 0xf0) >> 4; type = bp[0] & 0x0f; - if (type == 1) - type_s = "advertise"; - else - type_s = "unknown"; - printf("VRRPv%d-%s %d: ", version, type_s, len); + type_s = tok2str(type2str, "unknown type (%u)", type); + printf("VRRPv%u, %s", version, type_s); if (ttl != 255) - printf("[ttl=%d!] ", ttl); - if (version != 2 || type != 1) + printf(", (ttl %u)", ttl); + if (version != 2 || type != VRRP_TYPE_ADVERTISEMENT) return; TCHECK(bp[2]); - printf("vrid=%d prio=%d", bp[1], bp[2]); + printf(", vrid %u, prio %u", bp[1], bp[2]); TCHECK(bp[5]); auth_type = bp[4]; - if (auth_type != 0) - printf(" authtype=%d", auth_type); - printf(" intvl=%d", bp[5]); + printf(", authtype %s", tok2str(auth2str, NULL, auth_type)); + printf(", intvl %us, length %u", bp[5],len); if (vflag) { int naddrs = bp[3]; int i; char c; if (TTEST2(bp[0], len) && in_cksum((const u_short*)bp, len, 0)) - printf(" (bad vrrp cksum %x!)", + printf(", (bad vrrp cksum %x)", EXTRACT_16BITS(&bp[6])); - printf(" addrs"); + printf(", addrs"); if (naddrs > 1) printf("(%d)", naddrs); printf(":"); @@ -107,9 +125,14 @@ vrrp_print(register const u_char *bp, register u_int len, int ttl) c = ','; bp += 4; } - if (auth_type == 1) { /* simple text password */ + if (auth_type == VRRP_AUTH_SIMPLE) { /* simple text password */ TCHECK(bp[7]); - printf(" auth %.8s", bp); + printf(" auth \""); + if (fn_printn(bp, 8, snapend)) { + printf("\""); + goto trunc; + } + printf("\""); } } return;