diff options
| author | Ryan Thomas McBride <mcbride@cvs.openbsd.org> | 2003-01-18 05:07:46 +0000 |
|---|---|---|
| committer | Ryan Thomas McBride <mcbride@cvs.openbsd.org> | 2003-01-18 05:07:46 +0000 |
| commit | ed43c453864229241b6ba975a2e5b66450c6d235 (patch) | |
| tree | 9fda08001e5168d95bf41c605d3bf682b40206bc /sys/net/pf.c | |
| parent | 4f8b00a39b1f4a3a8124b0c406a3818b0c8d6898 (diff) | |
Make nat behave the way it used to by copying back the random source port
correctly. Also remove some extra cruft in pf_get_sport related to the
"static-port" behaviour.
bug report from mpech@ and form@
testing cedric@
"looks sane to me" henning@
ok dhartmei@
Diffstat (limited to 'sys/net/pf.c')
| -rw-r--r-- | sys/net/pf.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/sys/net/pf.c b/sys/net/pf.c index 844dfa14e39..10103267e0e 100644 --- a/sys/net/pf.c +++ b/sys/net/pf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pf.c,v 1.302 2003/01/09 15:58:35 dhartmei Exp $ */ +/* $OpenBSD: pf.c,v 1.303 2003/01/18 05:07:45 mcbride Exp $ */ /* * Copyright (c) 2001 Daniel Hartmeier @@ -221,10 +221,9 @@ void pf_hash(struct pf_addr *, struct pf_addr *, int pf_map_addr(u_int8_t, struct pf_pool *, struct pf_addr *, struct pf_addr *, struct pf_addr *); -int pf_get_sport(sa_family_t, u_int8_t, - struct pf_pool *, struct pf_addr *, u_int16_t, - struct pf_addr *, u_int16_t, struct pf_addr *, - u_int16_t*, u_int16_t, u_int16_t); +int pf_get_sport(sa_family_t, u_int8_t, struct pf_pool *, + struct pf_addr *, struct pf_addr *, u_int16_t, + struct pf_addr *, u_int16_t*, u_int16_t, u_int16_t); int pf_normalize_tcp(int, struct ifnet *, struct mbuf *, int, int, void *, struct pf_pdesc *); void pf_route(struct mbuf **, struct pf_rule *, int, @@ -1526,9 +1525,8 @@ pf_map_addr(u_int8_t af, struct pf_pool *rpool, struct pf_addr *saddr, int pf_get_sport(sa_family_t af, u_int8_t proto, struct pf_pool *rpool, - struct pf_addr *saddr, u_int16_t sport, struct pf_addr *daddr, - u_int16_t dport, struct pf_addr *naddr, u_int16_t *nport, u_int16_t low, - u_int16_t high) + struct pf_addr *saddr, struct pf_addr *daddr, u_int16_t dport, + struct pf_addr *naddr, u_int16_t *nport, u_int16_t low, u_int16_t high) { struct pf_tree_node key; struct pf_addr init_addr; @@ -1555,11 +1553,9 @@ pf_get_sport(sa_family_t af, u_int8_t proto, struct pf_pool *rpool, if (pf_find_state(&tree_ext_gwy, &key) == NULL) return (0); } else if (rpool->opts & PF_POOL_STATICPORT) { - key.port[1] = sport; - if (pf_find_state(&tree_ext_gwy, &key) == NULL) { - *nport = ntohs(sport); + key.port[1] = *nport; + if (pf_find_state(&tree_ext_gwy, &key) == NULL) return (0); - } } else if (low == 0 && high == 0) { key.port[1] = *nport; if (pf_find_state(&tree_ext_gwy, &key) == NULL) { @@ -1703,9 +1699,8 @@ pf_get_translation(int direction, struct ifnet *ifp, u_int8_t proto, return (NULL); break; case PF_NAT: - if (pf_get_sport(af, proto, - &r->rpool, saddr, sport, daddr, - dport, naddr, nport, r->rpool.proxy_port[0], + if (pf_get_sport(af, proto, &r->rpool, saddr, daddr, + dport, naddr, nport,r->rpool.proxy_port[0], r->rpool.proxy_port[1])) { DPFPRINTF(PF_DEBUG_MISC, ("pf: NAT proxy port allocation " @@ -1844,7 +1839,7 @@ pf_test_tcp(struct pf_rule **rm, int direction, struct ifnet *ifp, &naddr, &nport, af)) != NULL) { PF_ACPY(&baddr, saddr, af); pf_change_ap(saddr, &th->th_sport, pd->ip_sum, - &th->th_sum, &naddr, th->th_sport, 0, af); + &th->th_sum, &naddr, nport, 0, af); rewrite++; } } else { @@ -2089,7 +2084,7 @@ pf_test_udp(struct pf_rule **rm, int direction, struct ifnet *ifp, &naddr, &nport, af)) != NULL) { PF_ACPY(&baddr, saddr, af); pf_change_ap(saddr, &uh->uh_sport, pd->ip_sum, - &uh->uh_sum, &naddr, uh->uh_sport, 1, af); + &uh->uh_sum, &naddr, nport, 1, af); rewrite++; } } else { |