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authorAlexey Dobriyan <adobriyan@gmail.com>2010-01-18 08:25:47 +0100
committerPatrick McHardy <kaber@trash.net>2010-01-18 08:25:47 +0100
commitf54e9367f8499a9bf6b2afbc0dce63e1d53c525a (patch)
treea2e852b0fc05c0e1397136bca29c359163bc2445 /net/ipv6/netfilter/ip6_tables.c
parenta83d8e8d099fc373a5ca7112ad08c553bb2c180f (diff)
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netfilter: xtables: add struct xt_mtdtor_param::net
Add ->net to match destructor list like ->net in constructor list. Make sure it's set in ebtables/iptables/ip6tables, this requires to propagate netns up to *_unregister_table(). Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/ipv6/netfilter/ip6_tables.c')
-rw-r--r--net/ipv6/netfilter/ip6_tables.c37
1 files changed, 20 insertions, 17 deletions
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index a825940a92e..9f1d45f2ba8 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -585,13 +585,14 @@ mark_source_chains(struct xt_table_info *newinfo,
}
static int
-cleanup_match(struct ip6t_entry_match *m, unsigned int *i)
+cleanup_match(struct ip6t_entry_match *m, struct net *net, unsigned int *i)
{
struct xt_mtdtor_param par;
if (i && (*i)-- == 0)
return 1;
+ par.net = net;
par.match = m->u.kernel.match;
par.matchinfo = m->data;
par.family = NFPROTO_IPV6;
@@ -737,7 +738,7 @@ find_check_entry(struct ip6t_entry *e, struct net *net, const char *name,
err:
module_put(t->u.kernel.target->me);
cleanup_matches:
- IP6T_MATCH_ITERATE(e, cleanup_match, &j);
+ IP6T_MATCH_ITERATE(e, cleanup_match, net, &j);
return ret;
}
@@ -807,7 +808,7 @@ check_entry_size_and_hooks(struct ip6t_entry *e,
}
static int
-cleanup_entry(struct ip6t_entry *e, unsigned int *i)
+cleanup_entry(struct ip6t_entry *e, struct net *net, unsigned int *i)
{
struct xt_tgdtor_param par;
struct ip6t_entry_target *t;
@@ -816,7 +817,7 @@ cleanup_entry(struct ip6t_entry *e, unsigned int *i)
return 1;
/* Cleanup all matches */
- IP6T_MATCH_ITERATE(e, cleanup_match, NULL);
+ IP6T_MATCH_ITERATE(e, cleanup_match, net, NULL);
t = ip6t_get_target(e);
par.target = t->u.kernel.target;
@@ -898,7 +899,7 @@ translate_table(struct net *net,
if (ret != 0) {
IP6T_ENTRY_ITERATE(entry0, newinfo->size,
- cleanup_entry, &i);
+ cleanup_entry, net, &i);
return ret;
}
@@ -1293,7 +1294,7 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks,
/* Decrease module usage counts and free resource */
loc_cpu_old_entry = oldinfo->entries[raw_smp_processor_id()];
IP6T_ENTRY_ITERATE(loc_cpu_old_entry, oldinfo->size, cleanup_entry,
- NULL);
+ net, NULL);
xt_free_table_info(oldinfo);
if (copy_to_user(counters_ptr, counters,
sizeof(struct xt_counters) * num_counters) != 0)
@@ -1353,7 +1354,7 @@ do_replace(struct net *net, void __user *user, unsigned int len)
return 0;
free_newinfo_untrans:
- IP6T_ENTRY_ITERATE(loc_cpu_entry, newinfo->size, cleanup_entry, NULL);
+ IP6T_ENTRY_ITERATE(loc_cpu_entry, newinfo->size, cleanup_entry, net, NULL);
free_newinfo:
xt_free_table_info(newinfo);
return ret;
@@ -1692,14 +1693,15 @@ compat_copy_entry_from_user(struct compat_ip6t_entry *e, void **dstptr,
return ret;
}
-static int compat_check_entry(struct ip6t_entry *e, const char *name,
- unsigned int *i)
+static int compat_check_entry(struct ip6t_entry *e, struct net *net,
+ const char *name, unsigned int *i)
{
unsigned int j;
int ret;
struct xt_mtchk_param mtpar;
j = 0;
+ mtpar.net = net;
mtpar.table = name;
mtpar.entryinfo = &e->ipv6;
mtpar.hook_mask = e->comefrom;
@@ -1716,12 +1718,13 @@ static int compat_check_entry(struct ip6t_entry *e, const char *name,
return 0;
cleanup_matches:
- IP6T_MATCH_ITERATE(e, cleanup_match, &j);
+ IP6T_MATCH_ITERATE(e, cleanup_match, net, &j);
return ret;
}
static int
-translate_compat_table(const char *name,
+translate_compat_table(struct net *net,
+ const char *name,
unsigned int valid_hooks,
struct xt_table_info **pinfo,
void **pentry0,
@@ -1810,12 +1813,12 @@ translate_compat_table(const char *name,
i = 0;
ret = IP6T_ENTRY_ITERATE(entry1, newinfo->size, compat_check_entry,
- name, &i);
+ net, name, &i);
if (ret) {
j -= i;
COMPAT_IP6T_ENTRY_ITERATE_CONTINUE(entry0, newinfo->size, i,
compat_release_entry, &j);
- IP6T_ENTRY_ITERATE(entry1, newinfo->size, cleanup_entry, &i);
+ IP6T_ENTRY_ITERATE(entry1, newinfo->size, cleanup_entry, net, &i);
xt_free_table_info(newinfo);
return ret;
}
@@ -1870,7 +1873,7 @@ compat_do_replace(struct net *net, void __user *user, unsigned int len)
goto free_newinfo;
}
- ret = translate_compat_table(tmp.name, tmp.valid_hooks,
+ ret = translate_compat_table(net, tmp.name, tmp.valid_hooks,
&newinfo, &loc_cpu_entry, tmp.size,
tmp.num_entries, tmp.hook_entry,
tmp.underflow);
@@ -1886,7 +1889,7 @@ compat_do_replace(struct net *net, void __user *user, unsigned int len)
return 0;
free_newinfo_untrans:
- IP6T_ENTRY_ITERATE(loc_cpu_entry, newinfo->size, cleanup_entry, NULL);
+ IP6T_ENTRY_ITERATE(loc_cpu_entry, newinfo->size, cleanup_entry, net, NULL);
free_newinfo:
xt_free_table_info(newinfo);
return ret;
@@ -2144,7 +2147,7 @@ out:
return ERR_PTR(ret);
}
-void ip6t_unregister_table(struct xt_table *table)
+void ip6t_unregister_table(struct net *net, struct xt_table *table)
{
struct xt_table_info *private;
void *loc_cpu_entry;
@@ -2154,7 +2157,7 @@ void ip6t_unregister_table(struct xt_table *table)
/* Decrease module usage counts and free resources */
loc_cpu_entry = private->entries[raw_smp_processor_id()];
- IP6T_ENTRY_ITERATE(loc_cpu_entry, private->size, cleanup_entry, NULL);
+ IP6T_ENTRY_ITERATE(loc_cpu_entry, private->size, cleanup_entry, net, NULL);
if (private->number > private->initial_entries)
module_put(table_owner);
xt_free_table_info(private);