Code/Resource
Windows Develop
Linux-Unix program
Internet-Socket-Network
Web Server
Browser Client
Ftp Server
Ftp Client
Browser Plugins
Proxy Server
Email Server
Email Client
WEB Mail
Firewall-Security
Telnet Server
Telnet Client
ICQ-IM-Chat
Search Engine
Sniffer Package capture
Remote Control
xml-soap-webservice
P2P
WEB(ASP,PHP,...)
TCP/IP Stack
SNMP
Grid Computing
SilverLight
DNS
Cluster Service
Network Security
Communication-Mobile
Game Program
Editor
Multimedia program
Graph program
Compiler program
Compress-Decompress algrithms
Crypt_Decrypt algrithms
Mathimatics-Numerical algorithms
MultiLanguage
Disk/Storage
Java Develop
assembly language
Applications
Other systems
Database system
Embeded-SCM Develop
FlashMX/Flex
source in ebook
Delphi VCL
OS Develop
MiddleWare
MPI
MacOS develop
LabView
ELanguage
Software/Tools
E-Books
Artical/Document
ip6t_mac.c
Package: linux-2.4.20.tar.gz [view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 2k
Category:
Linux-Unix program
Development Platform:
Unix_Linux
- /* Kernel module to match MAC address parameters. */
- #include <linux/module.h>
- #include <linux/skbuff.h>
- #include <linux/if_ether.h>
- #include <linux/netfilter_ipv6/ip6t_mac.h>
- #include <linux/netfilter_ipv6/ip6_tables.h>
- static int
- match(const struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- const void *matchinfo,
- int offset,
- const void *hdr,
- u_int16_t datalen,
- int *hotdrop)
- {
- const struct ip6t_mac_info *info = matchinfo;
- /* Is mac pointer valid? */
- return (skb->mac.raw >= skb->head
- && (skb->mac.raw + ETH_HLEN) <= skb->data
- /* If so, compare... */
- && ((memcmp(skb->mac.ethernet->h_source, info->srcaddr, ETH_ALEN)
- == 0) ^ info->invert));
- }
- static int
- ip6t_mac_checkentry(const char *tablename,
- const struct ip6t_ip6 *ip,
- void *matchinfo,
- unsigned int matchsize,
- unsigned int hook_mask)
- {
- if (hook_mask
- & ~((1 << NF_IP6_PRE_ROUTING) | (1 << NF_IP6_LOCAL_IN)
- | (1 << NF_IP6_FORWARD))) {
- printk("ip6t_mac: only valid for PRE_ROUTING, LOCAL_IN or"
- " FORWARDn");
- return 0;
- }
- if (matchsize != IP6T_ALIGN(sizeof(struct ip6t_mac_info)))
- return 0;
- return 1;
- }
- static struct ip6t_match mac_match
- = { { NULL, NULL }, "mac", &match, &ip6t_mac_checkentry, NULL, THIS_MODULE };
- static int __init init(void)
- {
- return ip6t_register_match(&mac_match);
- }
- static void __exit fini(void)
- {
- ip6t_unregister_match(&mac_match);
- }
- module_init(init);
- module_exit(fini);
- MODULE_LICENSE("GPL");
- MODULE_DESCRIPTION("MAC address matching module for IPv6");