* August, 2003
*
*/
-
-#include <linux/netfilter_bridge/ebtables.h>
-#include <linux/netfilter_bridge/ebt_among.h>
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/ip.h>
#include <linux/if_arp.h>
#include <linux/module.h>
+#include <linux/netfilter/x_tables.h>
+#include <linux/netfilter_bridge/ebtables.h>
+#include <linux/netfilter_bridge/ebt_among.h>
static bool ebt_mac_wormhash_contains(const struct ebt_mac_wormhash *wh,
const char *mac, __be32 ip)
}
static bool
-ebt_among_mt(const struct sk_buff *skb, const struct net_device *in,
- const struct net_device *out, const struct xt_match *match,
- const void *data, int offset, unsigned int protoff, bool *hotdrop)
+ebt_among_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
- const struct ebt_among_info *info = data;
+ const struct ebt_among_info *info = par->matchinfo;
const char *dmac, *smac;
const struct ebt_mac_wormhash *wh_dst, *wh_src;
__be32 dip = 0, sip = 0;
return true;
}
-static bool
-ebt_among_mt_check(const char *table, const void *entry,
- const struct xt_match *match, void *data,
- unsigned int hook_mask)
+static int ebt_among_mt_check(const struct xt_mtchk_param *par)
{
+ const struct ebt_among_info *info = par->matchinfo;
const struct ebt_entry_match *em =
- container_of(data, const struct ebt_entry_match, data);
- const struct ebt_among_info *info = data;
+ container_of(par->matchinfo, const struct ebt_entry_match, data);
int expected_length = sizeof(struct ebt_among_info);
const struct ebt_mac_wormhash *wh_dst, *wh_src;
int err;
expected_length += ebt_mac_wormhash_size(wh_src);
if (em->match_size != EBT_ALIGN(expected_length)) {
- printk(KERN_WARNING
- "ebtables: among: wrong size: %d "
- "against expected %d, rounded to %Zd\n",
- em->match_size, expected_length,
- EBT_ALIGN(expected_length));
- return false;
+ pr_info("wrong size: %d against expected %d, rounded to %Zd\n",
+ em->match_size, expected_length,
+ EBT_ALIGN(expected_length));
+ return -EINVAL;
}
if (wh_dst && (err = ebt_mac_wormhash_check_integrity(wh_dst))) {
- printk(KERN_WARNING
- "ebtables: among: dst integrity fail: %x\n", -err);
- return false;
+ pr_info("dst integrity fail: %x\n", -err);
+ return -EINVAL;
}
if (wh_src && (err = ebt_mac_wormhash_check_integrity(wh_src))) {
- printk(KERN_WARNING
- "ebtables: among: src integrity fail: %x\n", -err);
- return false;
+ pr_info("src integrity fail: %x\n", -err);
+ return -EINVAL;
}
- return true;
+ return 0;
}
-static struct ebt_match filter_among __read_mostly = {
- .name = EBT_AMONG_MATCH,
+static struct xt_match ebt_among_mt_reg __read_mostly = {
+ .name = "among",
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_among_mt,
static int __init ebt_among_init(void)
{
- return ebt_register_match(&filter_among);
+ return xt_register_match(&ebt_among_mt_reg);
}
static void __exit ebt_among_fini(void)
{
- ebt_unregister_match(&filter_among);
+ xt_unregister_match(&ebt_among_mt_reg);
}
module_init(ebt_among_init);