]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blobdiff - net/netfilter/xt_NFQUEUE.c
[NETFILTER]: x_tables: enable compat translation for IPv6 matches/targets
[mirror_ubuntu-bionic-kernel.git] / net / netfilter / xt_NFQUEUE.c
index 8b76b6f8d1e436fe4677fed76c6b1343eecd4542..16b57c23f35af9631331fc7b2256c7fa4f059458 100644 (file)
@@ -3,9 +3,9 @@
  * (C) 2005 by Harald Welte <laforge@netfilter.org>
  *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as 
+ * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
- * 
+ *
  */
 
 #include <linux/module.h>
@@ -24,84 +24,48 @@ MODULE_ALIAS("ip6t_NFQUEUE");
 MODULE_ALIAS("arpt_NFQUEUE");
 
 static unsigned int
-target(struct sk_buff **pskb,
-       const struct net_device *in,
-       const struct net_device *out,
-       unsigned int hooknum,
-       const void *targinfo,
-       void *userinfo)
+nfqueue_tg(struct sk_buff *skb, const struct net_device *in,
+           const struct net_device *out, unsigned int hooknum,
+           const struct xt_target *target, const void *targinfo)
 {
        const struct xt_NFQ_info *tinfo = targinfo;
 
        return NF_QUEUE_NR(tinfo->queuenum);
 }
 
-static int
-checkentry(const char *tablename,
-          const void *entry,
-           void *targinfo,
-           unsigned int targinfosize,
-           unsigned int hook_mask)
-{
-       if (targinfosize != XT_ALIGN(sizeof(struct xt_NFQ_info))) {
-               printk(KERN_WARNING "NFQUEUE: targinfosize %u != %Zu\n",
-                      targinfosize,
-                      XT_ALIGN(sizeof(struct xt_NFQ_info)));
-               return 0;
-       }
-
-       return 1;
-}
-
-static struct xt_target ipt_NFQ_reg = {
-       .name           = "NFQUEUE",
-       .target         = target,
-       .checkentry     = checkentry,
-       .me             = THIS_MODULE,
+static struct xt_target nfqueue_tg_reg[] __read_mostly = {
+       {
+               .name           = "NFQUEUE",
+               .family         = AF_INET,
+               .target         = nfqueue_tg,
+               .targetsize     = sizeof(struct xt_NFQ_info),
+               .me             = THIS_MODULE,
+       },
+       {
+               .name           = "NFQUEUE",
+               .family         = AF_INET6,
+               .target         = nfqueue_tg,
+               .targetsize     = sizeof(struct xt_NFQ_info),
+               .me             = THIS_MODULE,
+       },
+       {
+               .name           = "NFQUEUE",
+               .family         = NF_ARP,
+               .target         = nfqueue_tg,
+               .targetsize     = sizeof(struct xt_NFQ_info),
+               .me             = THIS_MODULE,
+       },
 };
 
-static struct xt_target ip6t_NFQ_reg = {
-       .name           = "NFQUEUE",
-       .target         = target,
-       .checkentry     = checkentry,
-       .me             = THIS_MODULE,
-};
-
-static struct xt_target arpt_NFQ_reg = {
-       .name           = "NFQUEUE",
-       .target         = target,
-       .checkentry     = checkentry,
-       .me             = THIS_MODULE,
-};
-
-static int __init init(void)
+static int __init nfqueue_tg_init(void)
 {
-       int ret;
-       ret = xt_register_target(AF_INET, &ipt_NFQ_reg);
-       if (ret)
-               return ret;
-       ret = xt_register_target(AF_INET6, &ip6t_NFQ_reg);
-       if (ret)
-               goto out_ip;
-       ret = xt_register_target(NF_ARP, &arpt_NFQ_reg);
-       if (ret)
-               goto out_ip6;
-
-       return ret;
-out_ip6:
-       xt_unregister_target(AF_INET6, &ip6t_NFQ_reg);
-out_ip:
-       xt_unregister_target(AF_INET, &ipt_NFQ_reg);
-
-       return ret;
+       return xt_register_targets(nfqueue_tg_reg, ARRAY_SIZE(nfqueue_tg_reg));
 }
 
-static void __exit fini(void)
+static void __exit nfqueue_tg_exit(void)
 {
-       xt_unregister_target(NF_ARP, &arpt_NFQ_reg);
-       xt_unregister_target(AF_INET6, &ip6t_NFQ_reg);
-       xt_unregister_target(AF_INET, &ipt_NFQ_reg);
+       xt_unregister_targets(nfqueue_tg_reg, ARRAY_SIZE(nfqueue_tg_reg));
 }
 
-module_init(init);
-module_exit(fini);
+module_init(nfqueue_tg_init);
+module_exit(nfqueue_tg_exit);