fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / net / netfilter / xt_connmark.c

diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c
index dc26a27..36c2def 100644 (file)
--- a/net/netfilter/xt_connmark.c
+++ b/net/netfilter/xt_connmark.c
@@ -55,73 +55,94 @@ checkentry(const char *tablename,
           const void *ip,
           const struct xt_match *match,
           void *matchinfo,
-          unsigned int matchsize,
           unsigned int hook_mask)
 {
-       struct xt_connmark_info *cm = (struct xt_connmark_info *)matchinfo;
+       struct xt_connmark_info *cm = matchinfo;
 
        if (cm->mark > 0xffffffff || cm->mask > 0xffffffff) {
                printk(KERN_WARNING "connmark: only support 32bit mark\n");
                return 0;
        }
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
        if (nf_ct_l3proto_try_module_get(match->family) < 0) {
-               printk(KERN_WARNING "can't load nf_conntrack support for "
+               printk(KERN_WARNING "can't load conntrack support for "
                                    "proto=%d\n", match->family);
                return 0;
        }
-#endif
        return 1;
 }
 
 static void
-destroy(const struct xt_match *match, void *matchinfo, unsigned int matchsize)
+destroy(const struct xt_match *match, void *matchinfo)
 {
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
        nf_ct_l3proto_module_put(match->family);
-#endif
 }
 
-static struct xt_match connmark_match = {
-       .name           = "connmark",
-       .match          = match,
-       .matchsize      = sizeof(struct xt_connmark_info),
-       .checkentry     = checkentry,
-       .destroy        = destroy,
-       .family         = AF_INET,
-       .me             = THIS_MODULE
+#ifdef CONFIG_COMPAT
+struct compat_xt_connmark_info {
+       compat_ulong_t  mark, mask;
+       u_int8_t        invert;
+       u_int8_t        __pad1;
+       u_int16_t       __pad2;
 };
 
-static struct xt_match connmark6_match = {
-       .name           = "connmark",
-       .match          = match,
-       .matchsize      = sizeof(struct xt_connmark_info),
-       .checkentry     = checkentry,
-       .destroy        = destroy,
-       .family         = AF_INET6,
-       .me             = THIS_MODULE
+static void compat_from_user(void *dst, void *src)
+{
+       struct compat_xt_connmark_info *cm = src;
+       struct xt_connmark_info m = {
+               .mark   = cm->mark,
+               .mask   = cm->mask,
+               .invert = cm->invert,
+       };
+       memcpy(dst, &m, sizeof(m));
+}
+
+static int compat_to_user(void __user *dst, void *src)
+{
+       struct xt_connmark_info *m = src;
+       struct compat_xt_connmark_info cm = {
+               .mark   = m->mark,
+               .mask   = m->mask,
+               .invert = m->invert,
+       };
+       return copy_to_user(dst, &cm, sizeof(cm)) ? -EFAULT : 0;
+}
+#endif /* CONFIG_COMPAT */
+
+static struct xt_match xt_connmark_match[] = {
+       {
+               .name           = "connmark",
+               .family         = AF_INET,
+               .checkentry     = checkentry,
+               .match          = match,
+               .destroy        = destroy,
+               .matchsize      = sizeof(struct xt_connmark_info),
+#ifdef CONFIG_COMPAT
+               .compatsize     = sizeof(struct compat_xt_connmark_info),
+               .compat_from_user = compat_from_user,
+               .compat_to_user = compat_to_user,
+#endif
+               .me             = THIS_MODULE
+       },
+       {
+               .name           = "connmark",
+               .family         = AF_INET6,
+               .checkentry     = checkentry,
+               .match          = match,
+               .destroy        = destroy,
+               .matchsize      = sizeof(struct xt_connmark_info),
+               .me             = THIS_MODULE
+       },
 };
 
 static int __init xt_connmark_init(void)
 {
-       int ret;
-
-       need_conntrack();
-
-       ret = xt_register_match(&connmark_match);
-       if (ret)
-               return ret;
-
-       ret = xt_register_match(&connmark6_match);
-       if (ret)
-               xt_unregister_match(&connmark_match);
-       return ret;
+       return xt_register_matches(xt_connmark_match,
+                                  ARRAY_SIZE(xt_connmark_match));
 }
 
 static void __exit xt_connmark_fini(void)
 {
-       xt_unregister_match(&connmark6_match);
-       xt_unregister_match(&connmark_match);
+       xt_unregister_matches(xt_connmark_match, ARRAY_SIZE(xt_connmark_match));
 }
 
 module_init(xt_connmark_init);