diff options
Diffstat (limited to 'sys/netinet/ip_ipsec.c')
| -rw-r--r-- | sys/netinet/ip_ipsec.c | 30 |
1 files changed, 7 insertions, 23 deletions
diff --git a/sys/netinet/ip_ipsec.c b/sys/netinet/ip_ipsec.c index cd3f0e6..d6bf068 100644 --- a/sys/netinet/ip_ipsec.c +++ b/sys/netinet/ip_ipsec.c @@ -145,11 +145,8 @@ ip_ipsec_fwd(struct mbuf *m) * 1 = drop packet, 0 = continue processing packet. */ int -ip_ipsec_input(struct mbuf *m) +ip_ipsec_input(struct mbuf *m, int nxt) { - struct ip *ip = mtod(m, struct ip *); - struct m_tag *mtag; - struct tdb_ident *tdbi; struct secpolicy *sp; int error; /* @@ -157,21 +154,9 @@ ip_ipsec_input(struct mbuf *m) * note that we do not visit this with protocols with pcb layer * code - like udp/tcp/raw ip. */ - if ((inetsw[ip_protox[ip->ip_p]].pr_flags & PR_LASTHDR) != 0) { - /* - * Check if the packet has already had IPsec processing - * done. If so, then just pass it along. This tag gets - * set during AH, ESP, etc. input handling, before the - * packet is returned to the ip input queue for delivery. - */ - mtag = m_tag_find(m, PACKET_TAG_IPSEC_IN_DONE, NULL); - if (mtag != NULL) { - tdbi = (struct tdb_ident *)(mtag + 1); - sp = ipsec_getpolicy(tdbi, IPSEC_DIR_INBOUND); - } else { - sp = ipsec_getpolicybyaddr(m, IPSEC_DIR_INBOUND, - IP_FORWARDING, &error); - } + if ((inetsw[ip_protox[nxt]].pr_flags & PR_LASTHDR) != 0) { + sp = ipsec_getpolicybyaddr(m, IPSEC_DIR_INBOUND, + IP_FORWARDING, &error); if (sp != NULL) { /* * Check security policy against packet attributes. @@ -182,12 +167,11 @@ ip_ipsec_input(struct mbuf *m) /* XXX error stat??? */ error = EINVAL; DPRINTF(("ip_input: no SP, packet discarded\n"));/*XXX*/ - return 1; } - if (error) - return 1; + if (error != 0) + return (1); } - return 0; + return (0); } /* |
