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024c310b53
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51 Commits

Author SHA1 Message Date
Ondrej Zajicek
024c310b53 Fixes broken cryptographic authentication in OSPF 
Cryptographic authentication in OSPF is defective by
design - there might be several packets independently
sent to the network (for example HELLO, LSUPD and LSACK)
where they might be reordered and that causes crypt.
sequence number error.

That can be workarounded by not incresing sequence number
too often. Now we update it only when last packet was sent
before at least one second. This can constitute a risk of
replay attacks, but RFC supposes something similar (like time
in seconds used as CSN).
 2009-04-08 20:15:01 +02:00
Ondrej Zajicek
3b108f18e8 One null-pointer dereference bugfix hidden in whitespace changes 2009-01-16 10:58:52 +01:00
Ondrej Zajicek
f15cb99c79 Add check detecting packet overwrite in TX buffer. 2009-01-12 23:42:51 +01:00
Ondrej Zajicek
0e9617e400 Move check for NULL before usage of variable. 2009-01-11 10:51:54 +01:00
Ondrej Zajicek
b21f68b4cd Fix bugs in OSPF MD5 authentication. First bug is that default 
values for MD5 password ID changed during reconfigure, Second
bug is that BIRD chooses password in first-fit manner, but RFC
says that it should use the one with the latest generate-from.

It also modifies the syntax for multiple passwords.
Now it is possible to just add more 'password' statements
to the interface section and it is not needed to use
'passwords' section. Old syntax can be used too.
 2008-11-08 17:24:23 +01:00
Ondrej Zajicek
fd91ae3325 Fix problem with local time changes. 2008-11-05 22:36:49 +01:00
Ondrej Filip
f39e3bfdbf Small bugfix in tracing. 2005-03-15 23:42:41 +00:00
Ondrej Filip
e6ea2e375e Maximal packet size in virtual links is 576. 2005-03-15 20:51:33 +00:00
Ondrej Filip
427e59939b Look for large packets. 2005-03-14 11:07:10 +00:00
Ondrej Filip
63ca37f313 Cleanup - all unused variables deleted. 2005-02-20 18:56:06 +00:00
Ondrej Filip
2eef9e887a Be more verbose in log. 2005-02-14 21:34:46 +00:00
Ondrej Filip
b181f444a6 Small changes to reduce number of warnings. 2005-02-14 11:54:16 +00:00
Ondrej Filip
5d3f555234 Many bugfixes in routing table calculation and summary LSA origination. 2005-02-13 23:36:31 +00:00
Ondrej Filip
bae7c43ff3 Bugfix in password acceptance 2005-02-12 22:19:46 +00:00
Ondrej Filip
86c84d76b7 Huge OSPF database redesign. Since now, all LSAs of all areas 
are in single database. This avoids duplication of external LSAs and
fixes bug in external LSA distribution.
 2004-07-15 16:37:52 +00:00
Ondrej Filip
3b16080c97 Multiple OSPF areas can be attached. 
Origination of summary LSA works.
Routing table calculation works.
Virtual links works.

Well, I hope, OSPF is fully compatible with RFC2328!!!!
 2004-07-14 21:46:20 +00:00
Ondrej Filip
bc956fcab6 MD5 authentication in OSPF works. :-) 2004-07-13 14:46:14 +00:00
Ondrej Filip
32d3228d86 Bugfix in simple authentification. 2004-07-13 13:52:54 +00:00
Ondrej Filip
9baece57d3 Syntax bugfix. 2004-07-08 16:56:49 +00:00
Ondrej Filip
69b27ed6fd Length calculation bugfix. 2004-07-01 15:01:44 +00:00
Ondrej Filip
3e2bd0f17a Md5 authentification added (unsested). 
Packet receiving clean up.
 2004-06-26 20:15:34 +00:00
Ondrej Filip
98ac61766d A lot of changes: 
- metric is 3 byte long now
	- summary lsa originating
	- more OSPF areas possible
	- virtual links
	- better E1/E2 routes handling
	- some bug fixes..

I have to do:
	- md5 auth (last mandatory item from rfc2328)
	- !!!!DEBUG!!!!! (mainly virtual link system has probably a lot of bugs)
	- 2328 appendig E
 2004-06-25 16:39:53 +00:00
Ondrej Filip
b4d8a0c280 Some cisco routers send shorter ospf messages in larger packets. 
Well it's strange, but, actually it's correct.
 2004-06-16 23:01:49 +00:00
Ondrej Filip
5e3436d20f Cleanup in packet.c. Deleted unused parameters. 2004-06-06 19:53:52 +00:00
Ondrej Filip
d8d553cadf This warning is stupid. 2004-06-06 14:25:55 +00:00
Ondrej Filip
2e10a170fe Indentation. 2004-06-06 09:37:54 +00:00
Martin Mares
9831e5916f Staticized lots of local functions. 2004-06-05 09:58:23 +00:00
Martin Mares
1512813e95 ... and a whole bunch of unused parameters and variables in ospf. 2004-06-05 09:28:17 +00:00
Ondrej Filip
9b7de4c4d1 'struct proto' removed 
Finally, I found the bug reported by Andreas Steinmetz. FIXED.
 2004-06-04 20:41:02 +00:00
Ondrej Filip
12bed559ff dbdes indent an minor changes. 2004-06-04 17:49:25 +00:00
Ondrej Filip
27f49a2c3c lsreq.c indented and small 'struct proto' changes. 2004-06-04 17:28:41 +00:00
Ondrej Filip
77539c4471 hello.* reindented, code cleanup. 2004-06-04 17:12:27 +00:00
Ondrej Filip
8e15e048f2 Deleted useles "struct proto" sending. 2004-06-04 17:05:24 +00:00
Ondrej Filip
c76ba51a5f lsack.c cleaned. Better names for functions and 
DIRECT acks can be sent in one packet now.
 2004-06-04 16:30:04 +00:00
Ondrej Filip
39e517d47c hello.c and hello.h cleaned up. No design changes. 2004-06-04 12:53:10 +00:00
Ondrej Filip
00bd27a1cc Endianity problem fixed. Thanx to Sörös József 2003-09-14 13:41:24 +00:00
Ondrej Filip
baa5dd6ccc Many spelling mistakes fixed. 
Thanks you Harry Moyes.
 2003-08-23 10:42:41 +00:00
Ondrej Filip
ea31425a61 Patch from David Rohleder <davro@ics.muni.cz> thanx. 2001-04-09 19:15:03 +00:00
Ondrej Filip
e3bc10fdc4 Added stub interface. (Interface which is propagated to OSPF but 
it does not sends nor listens packets.)

I added some new options, please look at it and look into doc if it's OK.
 2000-09-02 08:54:40 +00:00
Ondrej Filip
351feeb514 Doc. 2000-06-07 21:56:32 +00:00
Ondrej Filip
c1824c4d4c Simple autentication added. 2000-06-06 01:23:03 +00:00
Ondrej Filip
eb436e16fd NBMA networks seems to work, but this should be better. :-) 2000-06-06 00:08:27 +00:00
Ondrej Filip
89d6782dd1 interface {} added. 2000-06-03 01:29:00 +00:00
Ondrej Filip
ff73f1d63d More robust tests in packet receiving. 2000-05-10 23:41:18 +00:00
Ondrej Filip
ed4a53c6a5 Some changes in debugging. 2000-05-08 22:50:37 +00:00
Ondrej Filip
67315ef64e Some lsack work. There is something very worng. :-( It locked my network. 2000-04-18 01:06:16 +00:00
Ondrej Filip
ebff007f08 LSack receiving bugfix. 2000-04-12 15:37:52 +00:00
Ondrej Filip
394acced11 Work on lsupdates continues. Some checksum cleanup. 2000-04-02 20:41:33 +00:00
Ondrej Filip
6d2b32114f LSreq initial work. 2000-03-30 00:18:59 +00:00
Ondrej Filip
30147b89ff Sending of DBDes. (Checksum and length calculation NOT done.) 2000-03-08 12:50:28 +00:00