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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>