diff options
Diffstat (limited to 'net/netfilter')
-rw-r--r-- | net/netfilter/xt_connmark.c | 101 |
1 files changed, 11 insertions, 90 deletions
diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c index 86cacab..122aa8b 100644 --- a/net/netfilter/xt_connmark.c +++ b/net/netfilter/xt_connmark.c @@ -47,36 +47,6 @@ connmark_mt(const struct sk_buff *skb, const struct xt_match_param *par) return ((ct->mark & info->mask) == info->mark) ^ info->invert; } -static bool -connmark_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par) -{ - const struct xt_connmark_info *info = par->matchinfo; - const struct nf_conn *ct; - enum ip_conntrack_info ctinfo; - - ct = nf_ct_get(skb, &ctinfo); - if (!ct) - return false; - - return ((ct->mark & info->mask) == info->mark) ^ info->invert; -} - -static bool connmark_mt_check_v0(const struct xt_mtchk_param *par) -{ - const struct xt_connmark_info *cm = par->matchinfo; - - if (cm->mark > 0xffffffff || cm->mask > 0xffffffff) { - printk(KERN_WARNING "connmark: only support 32bit mark\n"); - return false; - } - if (nf_ct_l3proto_try_module_get(par->family) < 0) { - printk(KERN_WARNING "can't load conntrack support for " - "proto=%u\n", par->family); - return false; - } - return true; -} - static bool connmark_mt_check(const struct xt_mtchk_param *par) { if (nf_ct_l3proto_try_module_get(par->family) < 0) { @@ -92,74 +62,25 @@ static void connmark_mt_destroy(const struct xt_mtdtor_param *par) nf_ct_l3proto_module_put(par->family); } -#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 void connmark_mt_compat_from_user_v0(void *dst, void *src) -{ - const 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 connmark_mt_compat_to_user_v0(void __user *dst, void *src) -{ - const 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 connmark_mt_reg[] __read_mostly = { - { - .name = "connmark", - .revision = 0, - .family = NFPROTO_UNSPEC, - .checkentry = connmark_mt_check_v0, - .match = connmark_mt_v0, - .destroy = connmark_mt_destroy, - .matchsize = sizeof(struct xt_connmark_info), -#ifdef CONFIG_COMPAT - .compatsize = sizeof(struct compat_xt_connmark_info), - .compat_from_user = connmark_mt_compat_from_user_v0, - .compat_to_user = connmark_mt_compat_to_user_v0, -#endif - .me = THIS_MODULE - }, - { - .name = "connmark", - .revision = 1, - .family = NFPROTO_UNSPEC, - .checkentry = connmark_mt_check, - .match = connmark_mt, - .matchsize = sizeof(struct xt_connmark_mtinfo1), - .destroy = connmark_mt_destroy, - .me = THIS_MODULE, - }, +static struct xt_match connmark_mt_reg __read_mostly = { + .name = "connmark", + .revision = 1, + .family = NFPROTO_UNSPEC, + .checkentry = connmark_mt_check, + .match = connmark_mt, + .matchsize = sizeof(struct xt_connmark_mtinfo1), + .destroy = connmark_mt_destroy, + .me = THIS_MODULE, }; static int __init connmark_mt_init(void) { - return xt_register_matches(connmark_mt_reg, - ARRAY_SIZE(connmark_mt_reg)); + return xt_register_match(&connmark_mt_reg); } static void __exit connmark_mt_exit(void) { - xt_unregister_matches(connmark_mt_reg, ARRAY_SIZE(connmark_mt_reg)); + xt_unregister_match(&connmark_mt_reg); } module_init(connmark_mt_init); |