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authorJan Engelhardt <jengelh@medozas.de>2008-10-08 11:35:20 +0200
committerPatrick McHardy <kaber@trash.net>2008-10-08 11:35:20 +0200
commit916a917dfec18535ff9e2afdafba82e6279eb4f4 (patch)
treeebd2e944684f3f1a9c184e3e69d06d1465ed2f69 /net/ipv6
parenta2df1648ba615dd5908e9a1fa7b2f133fa302487 (diff)
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netfilter: xtables: provide invoked family value to extensions
By passing in the family through which extensions were invoked, a bit of data space can be reclaimed. The "family" member will be added to the parameter structures and the check functions be adjusted. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/netfilter/ip6_tables.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index d934a69..a33485d 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -370,6 +370,7 @@ ip6t_do_table(struct sk_buff *skb,
mtpar.hotdrop = &hotdrop;
mtpar.in = tgpar.in = in;
mtpar.out = tgpar.out = out;
+ mtpar.family = tgpar.family = NFPROTO_IPV6;
tgpar.hooknum = hook;
read_lock_bh(&table->lock);
@@ -604,6 +605,7 @@ cleanup_match(struct ip6t_entry_match *m, unsigned int *i)
par.match = m->u.kernel.match;
par.matchinfo = m->data;
+ par.family = NFPROTO_IPV6;
if (par.match->destroy != NULL)
par.match->destroy(&par);
module_put(par.match->me);
@@ -640,7 +642,7 @@ static int check_match(struct ip6t_entry_match *m, struct xt_mtchk_param *par,
par->match = m->u.kernel.match;
par->matchinfo = m->data;
- ret = xt_check_match(par, NFPROTO_IPV6, m->u.match_size - sizeof(*m),
+ ret = xt_check_match(par, m->u.match_size - sizeof(*m),
ipv6->proto, ipv6->invflags & IP6T_INV_PROTO);
if (ret < 0) {
duprintf("ip_tables: check failed for `%s'.\n",
@@ -686,11 +688,12 @@ static int check_target(struct ip6t_entry *e, const char *name)
.target = t->u.kernel.target,
.targinfo = t->data,
.hook_mask = e->comefrom,
+ .family = NFPROTO_IPV6,
};
int ret;
t = ip6t_get_target(e);
- ret = xt_check_target(&par, NFPROTO_IPV6, t->u.target_size - sizeof(*t),
+ ret = xt_check_target(&par, t->u.target_size - sizeof(*t),
e->ipv6.proto, e->ipv6.invflags & IP6T_INV_PROTO);
if (ret < 0) {
duprintf("ip_tables: check failed for `%s'.\n",
@@ -718,6 +721,7 @@ find_check_entry(struct ip6t_entry *e, const char *name, unsigned int size,
mtpar.table = name;
mtpar.entryinfo = &e->ipv6;
mtpar.hook_mask = e->comefrom;
+ mtpar.family = NFPROTO_IPV6;
ret = IP6T_MATCH_ITERATE(e, find_check_match, &mtpar, &j);
if (ret != 0)
goto cleanup_matches;
@@ -805,6 +809,7 @@ cleanup_entry(struct ip6t_entry *e, unsigned int *i)
par.target = t->u.kernel.target;
par.targinfo = t->data;
+ par.family = NFPROTO_IPV6;
if (par.target->destroy != NULL)
par.target->destroy(&par);
module_put(par.target->me);
@@ -1685,6 +1690,7 @@ static int compat_check_entry(struct ip6t_entry *e, const char *name,
mtpar.table = name;
mtpar.entryinfo = &e->ipv6;
mtpar.hook_mask = e->comefrom;
+ mtpar.family = NFPROTO_IPV6;
ret = IP6T_MATCH_ITERATE(e, check_match, &mtpar, &j);
if (ret)
goto cleanup_matches;