diff options
Diffstat (limited to 'sys/netinet/ip_spd.c')
| -rw-r--r-- | sys/netinet/ip_spd.c | 52 |
1 files changed, 41 insertions, 11 deletions
diff --git a/sys/netinet/ip_spd.c b/sys/netinet/ip_spd.c index 8fa4535a0d8..6ece579637d 100644 --- a/sys/netinet/ip_spd.c +++ b/sys/netinet/ip_spd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip_spd.c,v 1.2 2000/09/20 19:13:18 angelos Exp $ */ +/* $OpenBSD: ip_spd.c,v 1.3 2000/09/27 07:28:24 angelos Exp $ */ /* * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu) @@ -338,7 +338,7 @@ ipsp_spd_lookup(struct mbuf *m, int af, int hlen, int *error, int direction, (inp->inp_seclevel[SL_AUTH] == IPSEC_LEVEL_BYPASS)) { /* Direct match */ - if (bcmp(&sdst, &ipo->ipo_dst, sizeof(union sockaddr_union)) == 0) + if (bcmp(&sdst, &ipo->ipo_dst, sdst.sa.sa_len) == 0) { *error = 0; return NULL; @@ -372,8 +372,7 @@ ipsp_spd_lookup(struct mbuf *m, int af, int hlen, int *error, int direction, /* Check that the cached TDB (if present), is appropriate */ if (ipo->ipo_tdb) { - if (bcmp(&sdst, &ipo->ipo_tdb->tdb_dst, - sizeof(union sockaddr_union))) + if (bcmp(&sdst, &ipo->ipo_tdb->tdb_dst, sdst.sa.sa_len)) { TAILQ_REMOVE(&ipo->ipo_tdb->tdb_policy_head, ipo, ipo_tdb_next); @@ -440,8 +439,8 @@ ipsp_spd_lookup(struct mbuf *m, int af, int hlen, int *error, int direction, else /* IPSP_DIRECTION_IN */ { /* Check the cached entry */ - if ((ipo->ipo_tdb) && - bcmp(&ssrc, &ipo->ipo_tdb->tdb_src, sizeof(union sockaddr_union))) + if ((ipo->ipo_tdb) && (ipo->ipo_tdb->tdb_src.sa.sa_family != 0) && + bcmp(&ssrc, &ipo->ipo_tdb->tdb_src, ssrc.sa.sa_len)) { TAILQ_REMOVE(&ipo->ipo_tdb->tdb_policy_head, ipo, ipo_tdb_next); ipo->ipo_tdb = NULL; @@ -606,7 +605,9 @@ ipsp_match_policy(struct tdb *tdb, struct ipsec_policy *ipo, } if (pflag == 0) - bcopy(&ipo->ipo_dst, &peer, sizeof(union sockaddr_union)); + { + bcopy(&ipo->ipo_dst, &peer, sizeof(union sockaddr_union)); + } else { bzero(&peer, sizeof(union sockaddr_union)); @@ -643,9 +644,38 @@ ipsp_match_policy(struct tdb *tdb, struct ipsec_policy *ipo, * Does the packet use the right security protocol and is coming from * the right peer ? */ - if ((tdb->tdb_sproto == ipo->ipo_sproto) && - (!bcmp(&tdb->tdb_src, &peer, sizeof(union sockaddr_union)))) - return 1; + if (tdb->tdb_sproto == ipo->ipo_sproto) + { + if (bcmp(&tdb->tdb_src, &peer, tdb->tdb_src.sa.sa_len)) + { + switch (tdb->tdb_src.sa.sa_family) + { +#ifdef INET + case AF_INET: + if (tdb->tdb_src.sin.sin_addr.s_addr == INADDR_ANY) + return 1; + else + return 0; +#endif /* INET */ + +#ifdef INET6 + case AF_INET6: + if (IN6_IS_ADDR_UNSPECIFIED(&tdb->tdb_src.sin6.sin6_addr)) + return 1; + else + return 0; +#endif /* INET6 */ + + case 0: + return 1; + + default: + return 0; + } + } + else + return 1; + } return 0; } @@ -773,7 +803,7 @@ ipsp_acquire_sa(struct ipsec_policy *ipo, union sockaddr_union *gw, ipa = TAILQ_NEXT(ipa, ipa_next)) { /* Already in process */ - if (!bcmp(gw, &ipa->ipa_addr, sizeof(union sockaddr_union))) + if (!bcmp(gw, &ipa->ipa_addr, gw->sa.sa_len)) return 0; } |