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Jan Engelhardt  [Wed, 9 Apr 2008 18:41:08 +0000  (20:41 +0200)]  
 
manpages: generate manpages 
 
Jan Engelhardt  [Wed, 9 Apr 2008 18:34:57 +0000  (20:34 +0200)]  
 
manpages: remove diff markers from CHAOS,TARIPT 
 
Jan Engelhardt  [Wed, 9 Apr 2008 18:16:33 +0000  (20:16 +0200)]  
 
compat: resolve missing tcp_hdr and udp_hdr for xt_ipp2p 
 
Jan Engelhardt  [Wed, 9 Apr 2008 18:06:17 +0000  (20:06 +0200)]  
 
TEE: make skb writable before attempting checksum update 
 
This also adds the compat function xtnu_skb_make_writable(). 
 
Jan Engelhardt  [Wed, 9 Apr 2008 17:52:29 +0000  (19:52 +0200)]  
 
condition: resolve typesize compiler warning 
 
Fix warning: field precision should have type "int", but argument 2 
has type "long unsigned int". 
 
Jan Engelhardt  [Wed, 9 Apr 2008 17:44:54 +0000  (19:44 +0200)]  
 
Merge reworked "IPMARK" target 
 
Jan Engelhardt  [Wed, 9 Apr 2008 12:39:44 +0000  (14:39 +0200)]  
 
IPMARK: redo ipmark_tg_parse() 
 
- check for illegal inversion on flags 
- use param_act() and strtonum() instead of open-coded checks 
 
Jan Engelhardt  [Wed, 9 Apr 2008 12:04:23 +0000  (14:04 +0200)]  
 
IPMARK: style cleanup 
 
Jan Engelhardt  [Tue, 8 Apr 2008 18:00:40 +0000  (20:00 +0200)]  
 
IPMARK: IPv6 support 
 
Jan Engelhardt  [Wed, 9 Apr 2008 12:44:53 +0000  (14:44 +0200)]  
 
IPMARK: print --addr flag the usual way 
 
Jan Engelhardt  [Wed, 9 Apr 2008 12:44:24 +0000  (14:44 +0200)]  
 
IPMARK: omit printing unset mask 
 
Jan Engelhardt  [Wed, 9 Apr 2008 17:21:20 +0000  (19:21 +0200)]  
 
IPMARK: remove incorrect --and/--or check 
 
It is perfectly valid for no --and-mask and also no --or-mask to 
appear, in which case the IP(v4) address is taken as mark without 
modification. 
 
Jan Engelhardt  [Tue, 8 Apr 2008 17:52:31 +0000  (19:52 +0200)]  
 
IPMARK: misc cleanups 
 
- order #include lists 
- const annotations, removal of casts 
- add ipt_IPMARK alias 
- make symbol names distinct 
 
Jan Engelhardt  [Tue, 8 Apr 2008 17:23:07 +0000  (19:23 +0200)]  
 
IPMARK: rebuild parameter structure (fixed-size types) 
 
Rebuild the parameter structure to have fixed-size members only. 
 
Jan Engelhardt  [Wed, 2 Apr 2008 06:50:10 +0000  (08:50 +0200)]  
 
IPMARK: import 
20080304  code base
With truly minimal changes to make it compile.
 
Jan Engelhardt  [Tue, 8 Apr 2008 18:34:19 +0000  (20:34 +0200)]  
 
Merge reworked "ipp2p" match 
 
Jan Engelhardt  [Mon, 31 Mar 2008 22:27:58 +0000  (00:27  +0200)]  
 
ipp2p: add missing MODULE_ALIAS(ipt_ipp2p) 
 
Jan Engelhardt  [Thu, 27 Mar 2008 08:53:41 +0000  (09:53 +0100)]  
 
ipp2p: use c99 initializers in getopt structure 
 
Jan Engelhardt  [Thu, 27 Mar 2008 08:20:40 +0000  (09:20 +0100)]  
 
ipp2p: use param_act() for parameter validation 
 
Jan Engelhardt  [Thu, 27 Mar 2008 07:21:49 +0000  (08:21 +0100)]  
 
ipp2p: use OR in flag settings in libxt_ipp2p 
 
Jan Engelhardt  [Thu, 27 Mar 2008 07:15:59 +0000  (08:15 +0100)]  
 
ipp2p: enable experimental data stream analyzers 
 
(get rid of "function unused" warnings) 
 
Jan Engelhardt  [Wed, 26 Mar 2008 06:53:10 +0000  (07:53 +0100)]  
 
ipp2p: internally simplify selecting protocol searches 
 
Jan Engelhardt  [Wed, 26 Mar 2008 06:15:03 +0000  (07:15 +0100)]  
 
ipp2p: guard against potential unaligned access 
 
get_u16() and get_u32() may get passed unaligned pointers; 
let's play it safe. 
 
Jan Engelhardt  [Wed, 26 Mar 2008 06:13:16 +0000  (07:13 +0100)]  
 
ipp2p: use auxiliary skb functions 
 
Jan Engelhardt  [Wed, 26 Mar 2008 05:55:15 +0000  (06:55 +0100)]  
 
ipp2p: static and const annotations, type usage 
 
Jan Engelhardt  [Wed, 26 Mar 2008 06:21:55 +0000  (07:21 +0100)]  
 
ipp2p: fix match function signature 
 
Jan Engelhardt  [Wed, 26 Mar 2008 05:53:08 +0000  (06:53 +0100)]  
 
ipp2p: adhere to codingstyle 
 
Jan Engelhardt  [Wed, 26 Mar 2008 04:56:43 +0000  (05:56  +0100)]  
 
ipp2p: remove compat and obsolete code 
 
Jan Engelhardt  [Wed, 26 Mar 2008 04:44:50 +0000  (05:44  +0100)]  
 
ipp2p: import 
20080304  code base
 
Jan Engelhardt  [Tue, 8 Apr 2008 18:33:26 +0000  (20:33 +0200)]  
 
Merge reworked "condition" match 
 
Jan Engelhardt  [Wed, 2 Apr 2008 08:19:52 +0000  (10:19 +0200)]  
 
condition: greatly improve processing speed 
 
Replace the loop over all possible condvars by a simple deref. This 
changes the runtime from O(n) to O(1) at the expense of only 8 bytes 
for rule. 
 
Jan Engelhardt  [Wed, 2 Apr 2008 08:28:36 +0000  (10:28 +0200)]  
 
condition: squash variables 
 
Jan Engelhardt  [Wed, 2 Apr 2008 03:48:57 +0000  (05:48  +0200)]  
 
condition: remove support for nonstandard inversion 
 
Jan Engelhardt  [Wed, 2 Apr 2008 03:41:05 +0000  (05:41  +0200)]  
 
condition: reenable IPv6 support in userspace extension 
 
Jan Engelhardt  [Wed, 2 Apr 2008 02:33:26 +0000  (04:33  +0200)]  
 
condition: style cleanup 
 
Jan Engelhardt  [Wed, 2 Apr 2008 03:00:33 +0000  (05:00  +0200)]  
 
condition: rework condvar name check 
 
Use memchr() instead of a for loop to detect '/' in the condvar name. 
Also unconditionally disallow names starting with a dot. 
 
Jan Engelhardt  [Wed, 2 Apr 2008 02:51:17 +0000  (04:51  +0200)]  
 
condition: use appropriate types and return values 
 
Jan Engelhardt  [Wed, 2 Apr 2008 02:45:36 +0000  (04:45  +0200)]  
 
condition: use unique symbol names and rewrite init function 
 
Use an array of xt_match for the match vtable. 
 
Jan Engelhardt  [Wed, 2 Apr 2008 02:42:37 +0000  (04:42  +0200)]  
 
condition: use new structure type 
 
Use __u8 for the invert flag instead of int. Reduce CONDITION_NAME_LEN 
from 32 to 31 so that the entire structure can fit into a cacheline. 
 
Jan Engelhardt  [Wed, 2 Apr 2008 02:31:52 +0000  (04:31  +0200)]  
 
condition: remove casts, add const qualifiers 
 
Jan Engelhardt  [Wed, 2 Apr 2008 02:23:45 +0000  (04:23  +0200)]  
 
condition: remove version #ifs and compat selectors 
 
Jan Engelhardt  [Wed, 26 Mar 2008 02:19:47 +0000  (03:19  +0100)]  
 
condition: import 
20080125  code base
 
Jan Engelhardt  [Tue, 8 Apr 2008 09:51:24 +0000  (11:51 +0200)]  
 
LOGMARK: fix comma output in ctstatus= list 
 
Jan Engelhardt  [Tue, 8 Apr 2008 09:49:45 +0000  (11:49 +0200)]  
 
LOGMARK: add hook= and ctdir= fields 
 
Jan Engelhardt  [Tue, 8 Apr 2008 09:33:26 +0000  (11:33 +0200)]  
 
compat: add ipv6_hdr 
 
Jan Engelhardt  [Mon, 7 Apr 2008 06:38:46 +0000  (08:38 +0200)]  
 
TEE: reenable header_ops check 
 
Jan Engelhardt  [Tue, 1 Apr 2008 06:15:01 +0000  (08:15 +0200)]  
 
compat: add check for pskb relocation 
 
The Xtables-addons compat layer does not support pskb relocation 
(result of possible memory allocation in kernels before 2.6.24) and 
we just assume it does not happen. Add a check to warn if relocation 
did happen and packet loss is to be expected. 
 
Jan Engelhardt  [Mon, 31 Mar 2008 04:40:29 +0000  (06:40 +0200)]  
 
ECHO: Catch skb_linearize out-of-memory condition 
 
Jan Engelhardt  [Wed, 26 Mar 2008 07:11:04 +0000  (08:11 +0100)]  
 
Makefile: support building multiple files with one config option 
 
Jan Engelhardt  [Mon, 24 Mar 2008 15:56:18 +0000  (16:56 +0100)]  
 
TEE: fix address copying bug 
 
Jan Engelhardt  [Mon, 24 Mar 2008 12:53:01 +0000  (13:53 +0100)]  
 
Add Kconfig descriptions for Chaostables, ECHO, geoip 
 
Jan Engelhardt  [Sat, 22 Mar 2008 03:22:37 +0000  (04:22  +0100)]  
 
Xtables-addons 1.5.3 
 
Jan Engelhardt  [Sat, 22 Mar 2008 04:16:51 +0000  (05:16  +0100)]  
 
Merge reworked geoip extension 
 
Jan Engelhardt  [Thu, 13 Mar 2008 00:07:35 +0000  (01:07  +0100)]  
 
Add xt_ECHO sample target 
 
Jan Engelhardt  [Fri, 21 Mar 2008 05:11:22 +0000  (06:11 +0100)]  
 
geoip: minor cleanups in help, opts and logic 
 
Jan Engelhardt  [Tue, 18 Mar 2008 14:47:10 +0000  (15:47 +0100)]  
 
geoip: use simpler, preprocessed integer vector lists and fix endian issue 
 
The old database format was in unknown byteorder -- if you run the 
converter program yourself, you got a host order file, but if you 
downloaded the preprocessed DB file (geoipdb.bin), you got a 
little-endian file. 
 
Use a new database format. Instead of having an index and a DB file, 
do away with the index and let the filesystem do the indexing, using 
one file per country. Also access the database files with a known 
endianess type. The converter script now produces two distinct 
variants (especially needed for IA-64). 
 
All of this reduces the touched code by half. 
 
Jan Engelhardt  [Tue, 18 Mar 2008 03:02:07 +0000  (04:02  +0100)]  
 
geoip: use appropriate and normal types 
 
For the header file, we need __u32 and so on because they are exported 
to userspace and rather constitute a kernel header. 
 
Use normal types instead of uintXX_t in the main code. 
 
Jan Engelhardt  [Tue, 18 Mar 2008 02:46:56 +0000  (03:46  +0100)]  
 
geoip: use rcu to reduce time spinlocks are held 
 
spin_lock_bh does not look safe (only disables preempt on current 
CPU?). Change to spin_lock, that also avoids the management overhead 
of spin_lock_bh. to spin_lock to avoid management overhead. 
 
Use rcu in match and destroy function. 
 
Jan Engelhardt  [Tue, 18 Mar 2008 02:31:07 +0000  (03:31  +0100)]  
 
geoip: use real atomic_t and remove casts from uint32_t 
 
Jan Engelhardt  [Tue, 18 Mar 2008 02:28:08 +0000  (03:28  +0100)]  
 
geoip: use struct list_head instead of self-cooked list 
 
Jan Engelhardt  [Tue, 18 Mar 2008 02:12:07 +0000  (03:12  +0100)]  
 
geoip: use local-portable aligned_u64 pointer values 
 
A 64-bit kernel will interpret the pointer with 64 bits width, while 
a 32-bit userspace filled in only 32 of it, leaving the other 32 
undefined. This must be avoided. 
 
Jan Engelhardt  [Tue, 18 Mar 2008 01:31:57 +0000  (02:31  +0100)]  
 
geoip: split user/kernel-visible parts of struct geoip_info 
 
Jan Engelhardt  [Mon, 17 Mar 2008 13:16:14 +0000  (14:16 +0100)]  
 
geoip: use vmalloc due to potential list size 
 
The subnet list may become really large (United States: ~15000 
entries), which means a use of roughly 120 KB, and kmalloc may fail 
to find a contiguous block in physical memory. Virtual contiguity is 
enough, so use vmalloc/vfree. 
 
vfree may not be called within a spin_lock_bh area, so release the 
lock first, it is safe to do so. 
 
Jan Engelhardt  [Mon, 17 Mar 2008 21:34:00 +0000  (22:34 +0100)]  
 
geoip: use a binary search to replace the current linear one 
 
Certain countries have lots (around 10000) of IP address ranges 
(US,GB,DE,...). The current linear search is really bad: 
 
No firewall: 
3000 packets transmitted, 3000 received, 0% packet loss, time 1992ms 
 
Testing against the countries with top 50 IP ranges: 
3000 packets transmitted, 3000 received, 0% packet loss, time 8998ms 
 
With binary search: 
3000 packets transmitted, 3000 received, 0% packet loss, time 2358ms 
 
Jan Engelhardt  [Mon, 17 Mar 2008 14:36:59 +0000  (15:36 +0100)]  
 
geoip: address comparison is inclusive 
 
subnet is somewhat a wrong term, geoip actually uses ipranges. Either 
way, the comparison needs to be >= and <= instead of > <. 
 
Jan Engelhardt  [Mon, 17 Mar 2008 13:37:37 +0000  (14:37 +0100)]  
 
geoip: lock timing correctness 
 
find_node: The reference count needs to be increased while the lock 
is held. Otherwise, the node may disappear right after the lock was 
released and increase was attempted, leading to an oops. 
 
remove_node: The reference count needs to be checked while the lock 
is held. Otherwise, the node may be used in the match function or 
returned from find_node while it has a zero refcount. 
 
Jan Engelhardt  [Mon, 17 Mar 2008 13:11:26 +0000  (14:11 +0100)]  
 
geoip: add missing kfree in error path 
 
Jan Engelhardt  [Mon, 17 Mar 2008 13:12:40 +0000  (14:12 +0100)]  
 
geoip: sort #include list 
 
Jan Engelhardt  [Mon, 17 Mar 2008 12:35:17 +0000  (13:35 +0100)]  
 
geoip: use tabs not spaces and indent 
 
Jan Engelhardt  [Mon, 17 Mar 2008 12:26:11 +0000  (13:26 +0100)]  
 
geoip: remove redundant casts 
 
Jan Engelhardt  [Mon, 17 Mar 2008 11:49:28 +0000  (12:49 +0100)]  
 
geoip: remove unused code and unneeded per-info refcount 
 
- freeing userspace memory is not the kernel's job, really. 
- checkentry is called exactly once, as is destroy. 
 
Jan Engelhardt  [Mon, 17 Mar 2008 11:46:15 +0000  (12:46 +0100)]  
 
geoip: import 
20080214  code base
 
Jan Engelhardt  [Tue, 11 Mar 2008 15:59:49 +0000  (16:59 +0100)]  
 
compat update: allow building from 2.6.18 onwards 
 
Jan Engelhardt  [Wed, 5 Mar 2008 01:00:26 +0000  (02:00  +0100)]  
 
Update .gitignore 
 
Jan Engelhardt  [Tue, 4 Mar 2008 23:19:15 +0000  (00:19  +0100)]  
 
Makefile: add missing xtables_CFLAGS variable 
 
If xtables.h is to be found in a directory other than included in the 
default preprocessor search path, compilation failed because the path 
specified with --with-xtables= was not passed to gcc. 
 
Jan Engelhardt  [Tue, 4 Mar 2008 04:17:00 +0000  (05:17  +0100)]  
 
Xtables-addons 1.5.2 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Tue, 4 Mar 2008 04:16:35 +0000  (05:16  +0100)]  
 
Makefile: add "tarball" target 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Tue, 4 Mar 2008 04:13:15 +0000  (05:13  +0100)]  
 
Remove XTABLES_VERSION define, it is now provided by xtables.h 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Fri, 29 Feb 2008 15:41:29 +0000  (16:41 +0100)]  
 
Move defines in compat_xtables.h down to avoid redeclaration errors 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Fri, 29 Feb 2008 12:48:37 +0000  (13:48 +0100)]  
 
Use system's readlink program to make things work with GNU make < 3.81 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Thu, 21 Feb 2008 16:16:31 +0000  (17:16 +0100)]  
 
Xtables-addons 1.5.1 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Thu, 21 Feb 2008 16:25:23 +0000  (17:25 +0100)]  
 
Use AF_UNSPEC registration in libxt_LOGMARK 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Thu, 21 Feb 2008 16:24:33 +0000  (17:24 +0100)]  
 
Change IPTABLES_VERSION to XTABLES_VERSION 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Thu, 21 Feb 2008 13:29:36 +0000  (14:29 +0100)]  
 
Import Chaostables extensions 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Thu, 21 Feb 2008 12:35:19 +0000  (13:35 +0100)]  
 
Remove compat code for kernels below 2.6.22 
 
Some code already uses ip_hdr() functions which did not exist in 
2.6.21 and I do not feel like adding more compat code. 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Thu, 21 Feb 2008 12:29:31 +0000  (13:29 +0100)]  
 
Update compat code for new 2.6.25 code 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Wed, 20 Feb 2008 22:17:55 +0000  (23:17 +0100)]  
 
xt_LOGMARK: dump CLASSIFY mark, ctstate and ctstatus 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Sat, 16 Feb 2008 15:10:40 +0000  (16:10 +0100)]  
 
Add support for external tarballs 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Fri, 15 Feb 2008 01:21:35 +0000  (02:21  +0100)]  
 
Allow external projects to be downloaded into the tree and used 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Thu, 14 Feb 2008 16:38:15 +0000  (17:38 +0100)]  
 
Allow user to select what extensions to compile and install 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Thu, 14 Feb 2008 14:28:44 +0000  (15:28 +0100)]  
 
Only include ksource header directory when explicitly specified 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Mon, 11 Feb 2008 14:49:51 +0000  (15:49 +0100)]  
 
Fixup compilation for kernels before 2.6.25 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Mon, 11 Feb 2008 13:08:23 +0000  (14:08 +0100)]  
 
Update package name and documentation 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Wed, 30 Jan 2008 12:54:57 +0000  (13:54 +0100)]  
 
Add xt_LOGMARK (nfmark, ctmark, secmark logger) 
 
xt_LOGMARK dumps the nfmark (packet mark), ctmark (connection mark) 
and/or secmark to syslog. 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Wed, 30 Jan 2008 02:50:16 +0000  (03:50  +0100)]  
 
Add plural target (un)registration to compat glue 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Tue, 29 Jan 2008 14:40:57 +0000  (15:40 +0100)]  
 
Add a compat wrapper to make modules work with older Linux. 
 
The extension modules use the API of a fairly recent kernel, if not 
even the networking git tree. To make it work with older Linux 
kernels, an API wrapper is added. Should compile against 
running-kernels Linux 2.6.19..current (tested: 2.6.22..current). 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>  
Jan Engelhardt  [Tue, 29 Jan 2008 02:57:08 +0000  (03:57  +0100)]  
 
Initial commit. 
 
Populate the iptables-addons repository with two modules, xt_TARPIT 
and xt_TEE, as a starting point. 
 
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>