gss_krb5: add ability to have a keyed checksum (hmac)

[safe/jmp/linux-2.6] / net / netfilter / xt_helper.c

diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c
index 0a1f4c6..64fc7f2 100644 (file)
--- a/net/netfilter/xt_helper.c
+++ b/net/netfilter/xt_helper.c
@@ -18,22 +18,15 @@
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Martin Josefsson <gandalf@netfilter.org>");
-MODULE_DESCRIPTION("iptables helper match module");
+MODULE_DESCRIPTION("Xtables: Related connection matching");
 MODULE_ALIAS("ipt_helper");
 MODULE_ALIAS("ip6t_helper");
 
 
 static bool
-match(const struct sk_buff *skb,
-      const struct net_device *in,
-      const struct net_device *out,
-      const struct xt_match *match,
-      const void *matchinfo,
-      int offset,
-      unsigned int protoff,
-      bool *hotdrop)
+helper_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 {
-       const struct xt_helper_info *info = matchinfo;
+       const struct xt_helper_info *info = par->matchinfo;
        const struct nf_conn *ct;
        const struct nf_conn_help *master_help;
        const struct nf_conntrack_helper *helper;
@@ -56,66 +49,49 @@ match(const struct sk_buff *skb,
        if (info->name[0] == '\0')
                ret = !ret;
        else
-               ret ^= !strncmp(master_help->helper->name, info->name,
-                               strlen(master_help->helper->name));
+               ret ^= !strncmp(helper->name, info->name,
+                               strlen(helper->name));
        return ret;
 }
 
-static bool check(const char *tablename,
-                 const void *inf,
-                 const struct xt_match *match,
-                 void *matchinfo,
-                 unsigned int hook_mask)
+static bool helper_mt_check(const struct xt_mtchk_param *par)
 {
-       struct xt_helper_info *info = matchinfo;
+       struct xt_helper_info *info = par->matchinfo;
 
-       if (nf_ct_l3proto_try_module_get(match->family) < 0) {
+       if (nf_ct_l3proto_try_module_get(par->family) < 0) {
                printk(KERN_WARNING "can't load conntrack support for "
-                                   "proto=%d\n", match->family);
+                                   "proto=%u\n", par->family);
                return false;
        }
        info->name[29] = '\0';
        return true;
 }
 
-static void
-destroy(const struct xt_match *match, void *matchinfo)
+static void helper_mt_destroy(const struct xt_mtdtor_param *par)
 {
-       nf_ct_l3proto_module_put(match->family);
+       nf_ct_l3proto_module_put(par->family);
 }
 
-static struct xt_match xt_helper_match[] __read_mostly = {
-       {
-               .name           = "helper",
-               .family         = AF_INET,
-               .checkentry     = check,
-               .match          = match,
-               .destroy        = destroy,
-               .matchsize      = sizeof(struct xt_helper_info),
-               .me             = THIS_MODULE,
-       },
-       {
-               .name           = "helper",
-               .family         = AF_INET6,
-               .checkentry     = check,
-               .match          = match,
-               .destroy        = destroy,
-               .matchsize      = sizeof(struct xt_helper_info),
-               .me             = THIS_MODULE,
-       },
+static struct xt_match helper_mt_reg __read_mostly = {
+       .name       = "helper",
+       .revision   = 0,
+       .family     = NFPROTO_UNSPEC,
+       .checkentry = helper_mt_check,
+       .match      = helper_mt,
+       .destroy    = helper_mt_destroy,
+       .matchsize  = sizeof(struct xt_helper_info),
+       .me         = THIS_MODULE,
 };
 
-static int __init xt_helper_init(void)
+static int __init helper_mt_init(void)
 {
-       return xt_register_matches(xt_helper_match,
-                                  ARRAY_SIZE(xt_helper_match));
+       return xt_register_match(&helper_mt_reg);
 }
 
-static void __exit xt_helper_fini(void)
+static void __exit helper_mt_exit(void)
 {
-       xt_unregister_matches(xt_helper_match, ARRAY_SIZE(xt_helper_match));
+       xt_unregister_match(&helper_mt_reg);
 }
 
-module_init(xt_helper_init);
-module_exit(xt_helper_fini);
-
+module_init(helper_mt_init);
+module_exit(helper_mt_exit);