Merge branch 'master' of git://blackhole.kfki.hu/nf-next

Jozsef Kadlecsik says:

====================
ipset patches for nf-next

- Add wildcard support to hash:net,iface which makes possible to
  match interface prefixes besides complete interfaces names, from
  Kristian Evensen.
====================

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 18 insertions, 5 deletions

diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c
index 1a04e0929738..be5e95a0d876 100644
--- a/net/netfilter/ipset/ip_set_hash_netiface.c
+++ b/net/netfilter/ipset/ip_set_hash_netiface.c
@@ -25,7 +25,8 @@
 /*				3    Counters support added */
 /*				4    Comments support added */
 /*				5    Forceadd support added */
-#define IPSET_TYPE_REV_MAX	6 /* skbinfo support added */
+/*				6    skbinfo support added */
+#define IPSET_TYPE_REV_MAX	7 /* interface wildcard support added */
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@netfilter.org>");
@@ -57,6 +58,7 @@ struct hash_netiface4_elem {
 	u8 cidr;
 	u8 nomatch;
 	u8 elem;
+	u8 wildcard;
 	char iface[IFNAMSIZ];
 };
 
@@ -71,7 +73,9 @@ hash_netiface4_data_equal(const struct hash_netiface4_elem *ip1,
 	       ip1->cidr == ip2->cidr &&
 	       (++*multi) &&
 	       ip1->physdev == ip2->physdev &&
-	       strcmp(ip1->iface, ip2->iface) == 0;
+	       (ip1->wildcard ?
+		strncmp(ip1->iface, ip2->iface, strlen(ip1->iface)) == 0 :
+		strcmp(ip1->iface, ip2->iface) == 0);
 }
 
 static int
@@ -103,7 +107,8 @@ static bool
 hash_netiface4_data_list(struct sk_buff *skb,
 			 const struct hash_netiface4_elem *data)
 {
-	u32 flags = data->physdev ? IPSET_FLAG_PHYSDEV : 0;
+	u32 flags = (data->physdev ? IPSET_FLAG_PHYSDEV : 0) |
+		    (data->wildcard ? IPSET_FLAG_IFACE_WILDCARD : 0);
 
 	if (data->nomatch)
 		flags |= IPSET_FLAG_NOMATCH;
@@ -229,6 +234,8 @@ hash_netiface4_uadt(struct ip_set *set, struct nlattr *tb[],
 			e.physdev = 1;
 		if (cadt_flags & IPSET_FLAG_NOMATCH)
 			flags |= (IPSET_FLAG_NOMATCH << 16);
+		if (cadt_flags & IPSET_FLAG_IFACE_WILDCARD)
+			e.wildcard = 1;
 	}
 	if (adt == IPSET_TEST || !tb[IPSET_ATTR_IP_TO]) {
 		e.ip = htonl(ip & ip_set_hostmask(e.cidr));
@@ -280,6 +287,7 @@ struct hash_netiface6_elem {
 	u8 cidr;
 	u8 nomatch;
 	u8 elem;
+	u8 wildcard;
 	char iface[IFNAMSIZ];
 };
 
@@ -294,7 +302,9 @@ hash_netiface6_data_equal(const struct hash_netiface6_elem *ip1,
 	       ip1->cidr == ip2->cidr &&
 	       (++*multi) &&
 	       ip1->physdev == ip2->physdev &&
-	       strcmp(ip1->iface, ip2->iface) == 0;
+	       (ip1->wildcard ?
+		strncmp(ip1->iface, ip2->iface, strlen(ip1->iface)) == 0 :
+		strcmp(ip1->iface, ip2->iface) == 0);
 }
 
 static int
@@ -326,7 +336,8 @@ static bool
 hash_netiface6_data_list(struct sk_buff *skb,
 			 const struct hash_netiface6_elem *data)
 {
-	u32 flags = data->physdev ? IPSET_FLAG_PHYSDEV : 0;
+	u32 flags = (data->physdev ? IPSET_FLAG_PHYSDEV : 0) |
+		    (data->wildcard ? IPSET_FLAG_IFACE_WILDCARD : 0);
 
 	if (data->nomatch)
 		flags |= IPSET_FLAG_NOMATCH;
@@ -440,6 +451,8 @@ hash_netiface6_uadt(struct ip_set *set, struct nlattr *tb[],
 			e.physdev = 1;
 		if (cadt_flags & IPSET_FLAG_NOMATCH)
 			flags |= (IPSET_FLAG_NOMATCH << 16);
+		if (cadt_flags & IPSET_FLAG_IFACE_WILDCARD)
+			e.wildcard = 1;
 	}
 
 	ret = adtfn(set, &e, &ext, &ext, flags);