diff options
Diffstat (limited to 'net/ipv4/netfilter/ipt_mac.c')
-rw-r--r-- | net/ipv4/netfilter/ipt_mac.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/net/ipv4/netfilter/ipt_mac.c b/net/ipv4/netfilter/ipt_mac.c deleted file mode 100644 index 1b9bb45..0000000 --- a/net/ipv4/netfilter/ipt_mac.c +++ /dev/null @@ -1,80 +0,0 @@ -/* Kernel module to match MAC address parameters. */ - -/* (C) 1999-2001 Paul `Rusty' Russell - * (C) 2002-2004 Netfilter Core Team <coreteam@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 - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/skbuff.h> -#include <linux/if_ether.h> -#include <linux/etherdevice.h> - -#include <linux/netfilter_ipv4/ipt_mac.h> -#include <linux/netfilter_ipv4/ip_tables.h> - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>"); -MODULE_DESCRIPTION("iptables mac matching module"); - -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_mac_info *info = matchinfo; - - /* Is mac pointer valid? */ - return (skb->mac.raw >= skb->head - && (skb->mac.raw + ETH_HLEN) <= skb->data - /* If so, compare... */ - && ((!compare_ether_addr(eth_hdr(skb)->h_source, info->srcaddr)) - ^ info->invert)); -} - -static int -ipt_mac_checkentry(const char *tablename, - const struct ipt_ip *ip, - void *matchinfo, - unsigned int matchsize, - unsigned int hook_mask) -{ - /* FORWARD isn't always valid, but it's nice to be able to do --RR */ - if (hook_mask - & ~((1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_LOCAL_IN) - | (1 << NF_IP_FORWARD))) { - printk("ipt_mac: only valid for PRE_ROUTING, LOCAL_IN or FORWARD.\n"); - return 0; - } - - if (matchsize != IPT_ALIGN(sizeof(struct ipt_mac_info))) - return 0; - - return 1; -} - -static struct ipt_match mac_match = { - .name = "mac", - .match = &match, - .checkentry = &ipt_mac_checkentry, - .me = THIS_MODULE, -}; - -static int __init init(void) -{ - return ipt_register_match(&mac_match); -} - -static void __exit fini(void) -{ - ipt_unregister_match(&mac_match); -} - -module_init(init); -module_exit(fini); |