diff options
Diffstat (limited to 'net/ipv4/netfilter/ipt_connmark.c')
-rw-r--r-- | net/ipv4/netfilter/ipt_connmark.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/net/ipv4/netfilter/ipt_connmark.c b/net/ipv4/netfilter/ipt_connmark.c deleted file mode 100644 index 5306ef293b92..000000000000 --- a/net/ipv4/netfilter/ipt_connmark.c +++ /dev/null @@ -1,88 +0,0 @@ -/* This kernel module matches connection mark values set by the - * CONNMARK target - * - * Copyright (C) 2002,2004 MARA Systems AB <http://www.marasystems.com> - * by Henrik Nordstrom <hno@marasystems.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/module.h> -#include <linux/skbuff.h> - -MODULE_AUTHOR("Henrik Nordstrom <hno@marasytems.com>"); -MODULE_DESCRIPTION("IP tables connmark match module"); -MODULE_LICENSE("GPL"); - -#include <linux/netfilter_ipv4/ip_tables.h> -#include <linux/netfilter_ipv4/ipt_connmark.h> -#include <net/netfilter/nf_conntrack_compat.h> - -static int -match(const struct sk_buff *skb, - const struct net_device *in, - const struct net_device *out, - const void *matchinfo, - int offset, - int *hotdrop) -{ - const struct ipt_connmark_info *info = matchinfo; - u_int32_t ctinfo; - const u_int32_t *ctmark = nf_ct_get_mark(skb, &ctinfo); - if (!ctmark) - return 0; - - return (((*ctmark) & info->mask) == info->mark) ^ info->invert; -} - -static int -checkentry(const char *tablename, - const struct ipt_ip *ip, - void *matchinfo, - unsigned int matchsize, - unsigned int hook_mask) -{ - struct ipt_connmark_info *cm = - (struct ipt_connmark_info *)matchinfo; - if (matchsize != IPT_ALIGN(sizeof(struct ipt_connmark_info))) - return 0; - - if (cm->mark > 0xffffffff || cm->mask > 0xffffffff) { - printk(KERN_WARNING "connmark: only support 32bit mark\n"); - return 0; - } - - return 1; -} - -static struct ipt_match connmark_match = { - .name = "connmark", - .match = &match, - .checkentry = &checkentry, - .me = THIS_MODULE -}; - -static int __init init(void) -{ - return ipt_register_match(&connmark_match); -} - -static void __exit fini(void) -{ - ipt_unregister_match(&connmark_match); -} - -module_init(init); -module_exit(fini); |