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netfilter: xtables: do centralized checkentry call (1/2)

Browse source 
It used to be that {ip,ip6,etc}_tables called extension->checkentry
themselves, but this can be moved into the xtables core.

Signed-off-by: Jan Engelhardt <[email protected]>
Signed-off-by: Patrick McHardy <[email protected]>
This commit is contained in:
Jan Engelhardt 2008-10-08 11:35:17 +02:00 • committed by Patrick McHardy
commit 367c679007
7 changed files with 45 additions and 67 deletions
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23
net/ipv6/netfilter/ip6_tables.c
View file

@ -642,17 +642,14 @@ static int check_match(struct ip6t_entry_match *m, const char *name,
match = m->u.kernel.match;
ret = xt_check_match(match, AF_INET6, m->u.match_size - sizeof(*m),
name, hookmask, ipv6->proto,
ipv6->invflags & IP6T_INV_PROTO);
if (!ret && m->u.kernel.match->checkentry
&& !m->u.kernel.match->checkentry(name, ipv6, match, m->data,
hookmask)) {
ipv6->invflags & IP6T_INV_PROTO, ipv6, m->data);
if (ret < 0) {
duprintf("ip_tables: check failed for `%s'.\n",
m->u.kernel.match->name);
ret = -EINVAL;
return ret;
}
if (!ret)
(*i)++;
return ret;
++*i;
return 0;
}
static int
@ -694,15 +691,13 @@ static int check_target(struct ip6t_entry *e, const char *name)
target = t->u.kernel.target;
ret = xt_check_target(target, AF_INET6, t->u.target_size - sizeof(*t),
name, e->comefrom, e->ipv6.proto,
e->ipv6.invflags & IP6T_INV_PROTO);
if (!ret && t->u.kernel.target->checkentry
&& !t->u.kernel.target->checkentry(name, e, target, t->data,
e->comefrom)) {
e->ipv6.invflags & IP6T_INV_PROTO, e, t->data);
if (ret < 0) {
duprintf("ip_tables: check failed for `%s'.\n",
t->u.kernel.target->name);
ret = -EINVAL;
return ret;
}
return ret;
return 0;
}
static int