Contributors: 6
	  
        
          | Author | 
          Tokens | 
          Token Proportion | 
          Commits | 
          Commit Proportion | 
        
	  
	  
        
        
          | Peter Warasin | 
          208 | 
          69.10% | 
          1 | 
          6.25% | 
        
        
          | Jan Engelhardt | 
          58 | 
          19.27% | 
          11 | 
          68.75% | 
        
        
          | Pablo Neira Ayuso | 
          16 | 
          5.32% | 
          1 | 
          6.25% | 
        
        
          | Liping Zhang | 
          10 | 
          3.32% | 
          1 | 
          6.25% | 
        
        
          | Gao Feng | 
          8 | 
          2.66% | 
          1 | 
          6.25% | 
        
        
          | Thomas Gleixner | 
          1 | 
          0.33% | 
          1 | 
          6.25% | 
        
	  
	  
        
          | Total | 
          301 | 
           | 
          16 | 
           | 
	    
	  
    
 
// SPDX-License-Identifier: GPL-2.0-only
/*
 * ebt_nflog
 *
 *	Author:
 *	Peter Warasin <peter@endian.com>
 *
 *  February, 2008
 *
 * Based on:
 *  xt_NFLOG.c, (C) 2006 by Patrick McHardy <kaber@trash.net>
 *  ebt_ulog.c, (C) 2004 by Bart De Schuymer <bdschuym@pandora.be>
 *
 */
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_nflog.h>
#include <net/netfilter/nf_log.h>
static unsigned int
ebt_nflog_tg(struct sk_buff *skb, const struct xt_action_param *par)
{
	const struct ebt_nflog_info *info = par->targinfo;
	struct net *net = xt_net(par);
	struct nf_loginfo li;
	li.type = NF_LOG_TYPE_ULOG;
	li.u.ulog.copy_len = info->len;
	li.u.ulog.group = info->group;
	li.u.ulog.qthreshold = info->threshold;
	li.u.ulog.flags = 0;
	nf_log_packet(net, PF_BRIDGE, xt_hooknum(par), skb, xt_in(par),
		      xt_out(par), &li, "%s", info->prefix);
	return EBT_CONTINUE;
}
static int ebt_nflog_tg_check(const struct xt_tgchk_param *par)
{
	struct ebt_nflog_info *info = par->targinfo;
	if (info->flags & ~EBT_NFLOG_MASK)
		return -EINVAL;
	info->prefix[EBT_NFLOG_PREFIX_SIZE - 1] = '\0';
	return 0;
}
static struct xt_target ebt_nflog_tg_reg __read_mostly = {
	.name       = "nflog",
	.revision   = 0,
	.family     = NFPROTO_BRIDGE,
	.target     = ebt_nflog_tg,
	.checkentry = ebt_nflog_tg_check,
	.targetsize = sizeof(struct ebt_nflog_info),
	.me         = THIS_MODULE,
};
static int __init ebt_nflog_init(void)
{
	return xt_register_target(&ebt_nflog_tg_reg);
}
static void __exit ebt_nflog_fini(void)
{
	xt_unregister_target(&ebt_nflog_tg_reg);
}
module_init(ebt_nflog_init);
module_exit(ebt_nflog_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Peter Warasin <peter@endian.com>");
MODULE_DESCRIPTION("ebtables NFLOG netfilter logging module");