diff options
Diffstat (limited to 'sys/netinet/ip_ipsp.c')
| -rw-r--r-- | sys/netinet/ip_ipsp.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/sys/netinet/ip_ipsp.c b/sys/netinet/ip_ipsp.c index a8f7e85aea5..e643b6f3d8b 100644 --- a/sys/netinet/ip_ipsp.c +++ b/sys/netinet/ip_ipsp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip_ipsp.c,v 1.153 2003/12/02 23:16:28 markus Exp $ */ +/* $OpenBSD: ip_ipsp.c,v 1.154 2004/01/22 14:38:28 markus Exp $ */ /* * The authors of this code are John Ioannidis (ji@tla.org), * Angelos D. Keromytis (kermit@csd.uch.gr), @@ -299,6 +299,33 @@ gettdb(u_int32_t spi, union sockaddr_union *dst, u_int8_t proto) return tdbp; } +#ifdef TCP_SIGNATURE +/* + * Same as gettdb() but compare SRC as well. + */ +struct tdb * +gettdbbysrcdst(u_int32_t spi, union sockaddr_union *src, + union sockaddr_union *dst, u_int8_t proto) +{ + u_int32_t hashval; + struct tdb *tdbp; + + if (tdbh == NULL) + return (struct tdb *) NULL; + + hashval = tdb_hash(spi, dst, proto); + + for (tdbp = tdbh[hashval]; tdbp != NULL; tdbp = tdbp->tdb_hnext) + if ((tdbp->tdb_spi == spi) && + !bcmp(&tdbp->tdb_dst, dst, SA_LEN(&dst->sa)) && + !bcmp(&tdbp->tdb_src, src, SA_LEN(&src->sa)) && + (tdbp->tdb_sproto == proto)) + break; + + return tdbp; +} +#endif + /* * Check that credentials and IDs match. Return true if so. The t* * range of arguments contains information from TDBs; the p* |