summaryrefslogtreecommitdiffstats
path: root/net/netfilter/ipset
diff options
context:
space:
mode:
authorJozsef Kadlecsik <kadlec@blackhole.kfki.hu>2018-01-06 15:22:01 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2018-01-08 18:11:12 +0100
commit4750005a85f76b3df1e5df19c283dde96b071515 (patch)
tree5a444a78aa66a59d00d65fc0e750f5367b7ce205 /net/netfilter/ipset
parentc0453377518d8dd30dcc07b5bdd9e29512ca9aca (diff)
downloadlinux-4750005a85f76b3df1e5df19c283dde96b071515.tar.gz
linux-4750005a85f76b3df1e5df19c283dde96b071515.tar.bz2
linux-4750005a85f76b3df1e5df19c283dde96b071515.zip
netfilter: ipset: Fix "don't update counters" mode when counters used at the matching
The matching of the counters was not taken into account, fixed. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/ipset')
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_gen.h9
-rw-r--r--net/netfilter/ipset/ip_set_core.c25
-rw-r--r--net/netfilter/ipset/ip_set_hash_gen.h37
-rw-r--r--net/netfilter/ipset/ip_set_list_set.c21
4 files changed, 46 insertions, 46 deletions
diff --git a/net/netfilter/ipset/ip_set_bitmap_gen.h b/net/netfilter/ipset/ip_set_bitmap_gen.h
index 8afe882f846d..257ca393e6f2 100644
--- a/net/netfilter/ipset/ip_set_bitmap_gen.h
+++ b/net/netfilter/ipset/ip_set_bitmap_gen.h
@@ -127,14 +127,7 @@ mtype_test(struct ip_set *set, void *value, const struct ip_set_ext *ext,
if (ret <= 0)
return ret;
- if (SET_WITH_TIMEOUT(set) &&
- ip_set_timeout_expired(ext_timeout(x, set)))
- return 0;
- if (SET_WITH_COUNTER(set))
- ip_set_update_counter(ext_counter(x, set), ext, mext, flags);
- if (SET_WITH_SKBINFO(set))
- ip_set_get_skbinfo(ext_skbinfo(x, set), ext, mext, flags);
- return 1;
+ return ip_set_match_extensions(set, ext, mext, flags, x);
}
static int
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 89b44458a761..e00299051e79 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -472,6 +472,31 @@ ip_set_put_extensions(struct sk_buff *skb, const struct ip_set *set,
}
EXPORT_SYMBOL_GPL(ip_set_put_extensions);
+bool
+ip_set_match_extensions(struct ip_set *set, const struct ip_set_ext *ext,
+ struct ip_set_ext *mext, u32 flags, void *data)
+{
+ if (SET_WITH_TIMEOUT(set) &&
+ ip_set_timeout_expired(ext_timeout(data, set)))
+ return false;
+ if (SET_WITH_COUNTER(set)) {
+ struct ip_set_counter *counter = ext_counter(data, set);
+
+ if (flags & IPSET_FLAG_MATCH_COUNTERS &&
+ !(ip_set_match_counter(ip_set_get_packets(counter),
+ mext->packets, mext->packets_op) &&
+ ip_set_match_counter(ip_set_get_bytes(counter),
+ mext->bytes, mext->bytes_op)))
+ return false;
+ ip_set_update_counter(counter, ext, flags);
+ }
+ if (SET_WITH_SKBINFO(set))
+ ip_set_get_skbinfo(ext_skbinfo(data, set),
+ ext, mext, flags);
+ return true;
+}
+EXPORT_SYMBOL_GPL(ip_set_match_extensions);
+
/* Creating/destroying/renaming/swapping affect the existence and
* the properties of a set. All of these can be executed from userspace
* only and serialized by the nfnl mutex indirectly from nfnetlink.
diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index 8ef079db7d34..bbad940c0137 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -917,12 +917,9 @@ static inline int
mtype_data_match(struct mtype_elem *data, const struct ip_set_ext *ext,
struct ip_set_ext *mext, struct ip_set *set, u32 flags)
{
- if (SET_WITH_COUNTER(set))
- ip_set_update_counter(ext_counter(data, set),
- ext, mext, flags);
- if (SET_WITH_SKBINFO(set))
- ip_set_get_skbinfo(ext_skbinfo(data, set),
- ext, mext, flags);
+ if (!ip_set_match_extensions(set, ext, mext, flags, data))
+ return 0;
+ /* nomatch entries return -ENOTEMPTY */
return mtype_do_data_match(data);
}
@@ -941,9 +938,9 @@ mtype_test_cidrs(struct ip_set *set, struct mtype_elem *d,
struct mtype_elem *data;
#if IPSET_NET_COUNT == 2
struct mtype_elem orig = *d;
- int i, j = 0, k;
+ int ret, i, j = 0, k;
#else
- int i, j = 0;
+ int ret, i, j = 0;
#endif
u32 key, multi = 0;
@@ -969,18 +966,13 @@ mtype_test_cidrs(struct ip_set *set, struct mtype_elem *d,
data = ahash_data(n, i, set->dsize);
if (!mtype_data_equal(data, d, &multi))
continue;
- if (SET_WITH_TIMEOUT(set)) {
- if (!ip_set_timeout_expired(
- ext_timeout(data, set)))
- return mtype_data_match(data, ext,
- mext, set,
- flags);
+ ret = mtype_data_match(data, ext, mext, set, flags);
+ if (ret != 0)
+ return ret;
#ifdef IP_SET_HASH_WITH_MULTI
- multi = 0;
+ /* No match, reset multiple match flag */
+ multi = 0;
#endif
- } else
- return mtype_data_match(data, ext,
- mext, set, flags);
}
#if IPSET_NET_COUNT == 2
}
@@ -1027,12 +1019,11 @@ mtype_test(struct ip_set *set, void *value, const struct ip_set_ext *ext,
if (!test_bit(i, n->used))
continue;
data = ahash_data(n, i, set->dsize);
- if (mtype_data_equal(data, d, &multi) &&
- !(SET_WITH_TIMEOUT(set) &&
- ip_set_timeout_expired(ext_timeout(data, set)))) {
- ret = mtype_data_match(data, ext, mext, set, flags);
+ if (!mtype_data_equal(data, d, &multi))
+ continue;
+ ret = mtype_data_match(data, ext, mext, set, flags);
+ if (ret != 0)
goto out;
- }
}
out:
return ret;
diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
index e864681b8dc5..072a658fde04 100644
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -55,8 +55,9 @@ list_set_ktest(struct ip_set *set, const struct sk_buff *skb,
struct ip_set_adt_opt *opt, const struct ip_set_ext *ext)
{
struct list_set *map = set->data;
+ struct ip_set_ext *mext = &opt->ext;
struct set_elem *e;
- u32 cmdflags = opt->cmdflags;
+ u32 flags = opt->cmdflags;
int ret;
/* Don't lookup sub-counters at all */
@@ -64,21 +65,11 @@ list_set_ktest(struct ip_set *set, const struct sk_buff *skb,
if (opt->cmdflags & IPSET_FLAG_SKIP_SUBCOUNTER_UPDATE)
opt->cmdflags &= ~IPSET_FLAG_SKIP_COUNTER_UPDATE;
list_for_each_entry_rcu(e, &map->members, list) {
- if (SET_WITH_TIMEOUT(set) &&
- ip_set_timeout_expired(ext_timeout(e, set)))
- continue;
ret = ip_set_test(e->id, skb, par, opt);
- if (ret > 0) {
- if (SET_WITH_COUNTER(set))
- ip_set_update_counter(ext_counter(e, set),
- ext, &opt->ext,
- cmdflags);
- if (SET_WITH_SKBINFO(set))
- ip_set_get_skbinfo(ext_skbinfo(e, set),
- ext, &opt->ext,
- cmdflags);
- return ret;
- }
+ if (ret <= 0)
+ continue;
+ if (ip_set_match_extensions(set, ext, mext, flags, e))
+ return 1;
}
return 0;
}