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[NETFILTER]: x_tables: add NFLOG target

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Add new NFLOG target to allow use of nfnetlink_log for both IPv4 and IPv6.
Currently we have two (unsupported by userspace) hacks in the LOG and ULOG
targets to optionally call to the nflog API. They lack a few features,
namely the IPv4 and IPv6 LOG targets can not specify a number of arguments
related to nfnetlink_log, while the ULOG target is only available for IPv4.
Remove those hacks and add a clean way to use nfnetlink_log.

Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Patrick McHardy
2006-11-29 02:35:38 +01:00
committed by David S. Miller
parent 39b46fc6f0
commit baf7b1e112
9 changed files with 123 additions and 16 deletions
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1
include/linux/netfilter/Kbuild
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@@ -22,6 +22,7 @@ header-y += xt_mark.h
header-y += xt_MARK.h
header-y += xt_multiport.h
header-y += xt_NFQUEUE.h
header-y += xt_NFLOG.h
header-y += xt_pkttype.h
header-y += xt_policy.h
header-y += xt_realm.h

18
include/linux/netfilter/xt_NFLOG.h Normal file
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@@ -0,0 +1,18 @@
#ifndef _XT_NFLOG_TARGET
#define _XT_NFLOG_TARGET
#define XT_NFLOG_DEFAULT_GROUP 0x1
#define XT_NFLOG_DEFAULT_THRESHOLD 1
#define XT_NFLOG_MASK 0x0
struct xt_nflog_info {
u_int32_t len;
u_int16_t group;
u_int16_t threshold;
u_int16_t flags;
u_int16_t pad;
char prefix[64];
};
#endif /* _XT_NFLOG_TARGET */