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netfilter: xt_NFLOG: don't call nf_log_packet in NFLOG module.

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This patch modifies xt_NFLOG to suppress the call to nf_log_packet()
function. The call of this wrapper in xt_NFLOG was causing NFLOG to
use the first initialized module. Thus, if ipt_ULOG is loaded before
nfnetlink_log all NFLOG rules are treated as plain LOG rules.

Signed-off-by: Eric Leblond <eric@inl.fr>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Eric Leblond 2008-11-04 14:21:08 +01:00 committed by Patrick McHardy
parent d2ad3ca88d
commit 5f7340eff8
3 changed files with 19 additions and 3 deletions
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14
include/net/netfilter/nfnetlink_log.h Normal file
View File

@ -0,0 +1,14 @@
#ifndef _KER_NFNETLINK_LOG_H
#define _KER_NFNETLINK_LOG_H
void
nfulnl_log_packet(unsigned int pf,
unsigned int hooknum,
const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
const struct nf_loginfo *li_user,
const char *prefix);
#endif /* _KER_NFNETLINK_LOG_H */

3
net/netfilter/nfnetlink_log.c
View File

@ -533,7 +533,7 @@ static struct nf_loginfo default_loginfo = {
};
/* log handler for internal netfilter logging api */
static void
void
nfulnl_log_packet(u_int8_t pf,
unsigned int hooknum,
const struct sk_buff *skb,
@ -648,6 +648,7 @@ nfulnl_log_packet(u_int8_t pf,
/* FIXME: statistics */
goto unlock_and_release;
}
EXPORT_SYMBOL_GPL(nfulnl_log_packet);
static int
nfulnl_rcv_nl_event(struct notifier_block *this,

5
net/netfilter/xt_NFLOG.c
View File

@ -13,6 +13,7 @@
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_NFLOG.h>
#include <net/netfilter/nf_log.h>
#include <net/netfilter/nfnetlink_log.h>
MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
MODULE_DESCRIPTION("Xtables: packet logging to netlink using NFLOG");
@ -31,8 +32,8 @@ nflog_tg(struct sk_buff *skb, const struct xt_target_param *par)
li.u.ulog.group = info->group;
li.u.ulog.qthreshold = info->threshold;
nf_log_packet(par->family, par->hooknum, skb, par->in,
par->out, &li, "%s", info->prefix);
nfulnl_log_packet(par->family, par->hooknum, skb, par->in,
par->out, &li, info->prefix);
return XT_CONTINUE;
}