diff options
author | Jan Engelhardt <jengelh@medozas.de> | 2008-10-08 11:35:20 +0200 |
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committer | Patrick McHardy <kaber@trash.net> | 2008-10-08 11:35:20 +0200 |
commit | 916a917dfec18535ff9e2afdafba82e6279eb4f4 (patch) | |
tree | ebd2e944684f3f1a9c184e3e69d06d1465ed2f69 /net/ipv4/netfilter/ip_tables.c | |
parent | a2df1648ba615dd5908e9a1fa7b2f133fa302487 (diff) | |
download | op-kernel-dev-916a917dfec18535ff9e2afdafba82e6279eb4f4.zip op-kernel-dev-916a917dfec18535ff9e2afdafba82e6279eb4f4.tar.gz |
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/ipv4/netfilter/ip_tables.c')
-rw-r--r-- | net/ipv4/netfilter/ip_tables.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index 50b9a6c..213fb27 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -348,6 +348,7 @@ ipt_do_table(struct sk_buff *skb, mtpar.hotdrop = &hotdrop; mtpar.in = tgpar.in = in; mtpar.out = tgpar.out = out; + mtpar.family = tgpar.family = NFPROTO_IPV4; tgpar.hooknum = hook; read_lock_bh(&table->lock); @@ -579,6 +580,7 @@ cleanup_match(struct ipt_entry_match *m, unsigned int *i) par.match = m->u.kernel.match; par.matchinfo = m->data; + par.family = NFPROTO_IPV4; if (par.match->destroy != NULL) par.match->destroy(&par); module_put(par.match->me); @@ -616,7 +618,7 @@ check_match(struct ipt_entry_match *m, struct xt_mtchk_param *par, par->match = m->u.kernel.match; par->matchinfo = m->data; - ret = xt_check_match(par, NFPROTO_IPV4, m->u.match_size - sizeof(*m), + ret = xt_check_match(par, m->u.match_size - sizeof(*m), ip->proto, ip->invflags & IPT_INV_PROTO); if (ret < 0) { duprintf("ip_tables: check failed for `%s'.\n", @@ -662,10 +664,11 @@ static int check_target(struct ipt_entry *e, const char *name) .target = t->u.kernel.target, .targinfo = t->data, .hook_mask = e->comefrom, + .family = NFPROTO_IPV4, }; int ret; - ret = xt_check_target(&par, NFPROTO_IPV4, t->u.target_size - sizeof(*t), + ret = xt_check_target(&par, t->u.target_size - sizeof(*t), e->ip.proto, e->ip.invflags & IPT_INV_PROTO); if (ret < 0) { duprintf("ip_tables: check failed for `%s'.\n", @@ -693,6 +696,7 @@ find_check_entry(struct ipt_entry *e, const char *name, unsigned int size, mtpar.table = name; mtpar.entryinfo = &e->ip; mtpar.hook_mask = e->comefrom; + mtpar.family = NFPROTO_IPV4; ret = IPT_MATCH_ITERATE(e, find_check_match, &mtpar, &j); if (ret != 0) goto cleanup_matches; @@ -780,6 +784,7 @@ cleanup_entry(struct ipt_entry *e, unsigned int *i) par.target = t->u.kernel.target; par.targinfo = t->data; + par.family = NFPROTO_IPV4; if (par.target->destroy != NULL) par.target->destroy(&par); module_put(par.target->me); @@ -1659,6 +1664,7 @@ compat_check_entry(struct ipt_entry *e, const char *name, mtpar.table = name; mtpar.entryinfo = &e->ip; mtpar.hook_mask = e->comefrom; + mtpar.family = NFPROTO_IPV4; ret = IPT_MATCH_ITERATE(e, check_match, &mtpar, &j); if (ret) goto cleanup_matches; |