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77 commits

Author SHA1 Message Date
Ondrej Zajicek
30d09eb96e OSPF: Fixes validation of LSA checksums 
Prior to this patch, BIRD validates the OSPF LSA checksum by calculating
a new checksum and comparing it with the checksum in the header. Due to
the specifics of the Fletcher checksum used in OSPF, this is not
necessarily correct as the checkbytes in the header may be calculated via
a different means and end up with a different value that is nonetheless
still correct.

The documented means of validating the checksum as specified in RFC 905
B.4 is to calculate c0 and c1 from the unchanged contents of the packet,
which must result in a zero value to be considered valid.

Thanks to Chris Boot for the patch.
 2015-04-28 13:45:44 +02:00
Ondrej Zajicek
742029eb78 Whitespace cleanup in OSPF. 2014-07-19 17:28:38 +02:00
Ondrej Zajicek
70945cb645 Temporary integrated OSPF commit. 2014-06-26 11:58:57 +02:00
Ondrej Zajicek
89647357af NEWS and version update. 2012-03-22 12:29:02 +01:00
Ondrej Zajicek
41b612c31b OSPF NSSA support, part one. 2011-07-20 23:48:06 +02:00
Ondrej Zajicek
f796945f04 Fixes LSA checksum computation for larger LSAs. 2011-07-03 23:24:38 +02:00
Ondrej Zajicek
8e48831a97 Vastly improved OSPF reconfiguration. 
Now it can handle a change in iface pattern structure.
It can add, remove and reconfigure interfaces, vlinks and areas.
 2011-03-17 15:53:36 +01:00
Ondrej Zajicek
506fa1a73e Merge several fixes suggested by Joakim Tjernlund. 2010-05-02 22:41:40 +02:00
Ondrej Zajicek
6384c7d7aa OSPF: most of summary LSA orig./flush logic rewritten. 
Fixes many bugs in the old code and makes it much cleaner.
 2010-05-02 19:58:34 +02:00
Ondrej Zajicek
4e5fb4b60c Skip LSA host<->network endianity conversions on big endians. 2010-04-25 20:12:34 +02:00
Ondrej Zajicek
0ea8fb4abe Fixes and enhancements in 'show ospf state' command. 
Now it shows a distance, option to change showing reachable/all network
nodes and better handling of AS-external LSAs in multiple areas. The
command 'show ospf topology' was changed to not show stubnets in both
OSPFv2 and OSPFv3 (previously it displayed stubnets in OSPFv2).
 2010-04-24 15:18:21 +02:00
Ondrej Zajicek
e81b440f68 Fix configure to enable warnings and fix most of them. 2010-02-21 14:34:53 +01:00
Ondrej Zajicek
34a877ccac Minor updates. 2009-12-14 17:29:33 +01:00
Ondrej Zajicek
8a70a13e7e Implements protocol-specific Router ID for OSPF. 
And fixes one minor bug.
 2009-12-11 11:06:51 +01:00
Ondrej Zajicek
a6bc04d591 Implements better checks on incoming packets and LSAs in OSPF. 2009-10-29 23:57:42 +01:00
Ondrej Zajicek
c15e569065 Make endianity swapping simpler. 2009-09-08 17:06:47 +02:00
Ondrej Zajicek
be86240662 Temporary OSPFv3 development commit. 
Finally, it is working.
 2009-09-08 13:45:02 +02:00
Ondrej Zajicek
f9c799a00e Temporary OSPFv3 development commit (changing multicast support). 2009-09-04 11:06:51 +02:00
Ondrej Zajicek
061ab802a6 Temporary OSPFv3 development commit 2009-08-27 18:25:46 +02:00
Ondrej Zajicek
b49e6f5a65 Temporary OSPFv3 development commit 2009-08-25 16:42:14 +02:00
Ondrej Zajicek
c3226991a0 Temporary OSPFv3 development commit 2009-08-21 09:27:52 +02:00
Ondrej Zajicek
3aab39f589 Use %R in OSPF when appropriate. 2009-07-23 16:51:28 +02:00
Ondrej Zajicek
2389c46fe3 Another pile of ipa_from_u32() calls. 2009-07-05 21:18:55 +02:00
Ondrej Filip
39fc85b4c6 Unused code deleted. 2005-02-20 19:03:34 +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
35fdf4b6a2 Don't inform us about every ospf_age() 2004-07-13 21:22:32 +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
e02652a7d2 Bugfix in RT calculation. 2004-06-07 16:42:48 +00:00
Ondrej Filip
d5d9693ce9 Deleted unused parameters. 2004-06-06 18:45:08 +00:00
Ondrej Filip
cd09226078 Be sure, that ospf_area is aged before routing table calculation. 2004-06-06 17:03:56 +00:00
Ondrej Filip
b8f17cf192 Small cleanup, indentation and preparation for multiple areas routing table calculation. 2004-06-06 16:00:09 +00:00
Ondrej Filip
2e10a170fe Indentation. 2004-06-06 09:37:54 +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
6f3203fabf cleanup in lsupd.c, indenting, "struct proto" removed... 2004-06-04 21:05:43 +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
035f6acbfe Patch from Andreas Steinmetz <ast@domdv.de> 2004-06-01 13:12:10 +00:00
Ondrej Filip
c11007bc42 Endian-related bug fixes sent by Krzysztof Szuster <kszuster@polbox.com> 2003-08-26 10:41:02 +00:00
Ondrej Filip
baa5dd6ccc Many spelling mistakes fixed. 
Thanks you Harry Moyes.
 2003-08-23 10:42:41 +00:00
Martin Mares
47f18ac39a ABS should be a macro. 2002-11-13 08:47:19 +00:00
Ondrej Filip
4ca0d0847e Small typo fixed. 2002-04-03 15:41:05 +00:00
Ondrej Filip
025b0e856a New trace added. 2002-03-04 15:52:40 +00:00
Ondrej Filip
fdb1998202 Serious bug in ext lsa origination found. Going for 1.0.4. 2000-09-03 22:18:40 +00:00
Ondrej Filip
a012cbb16f Nasty bug in LSA refreshing. I didn't refesh my own copy! :-( 2000-06-08 19:16:21 +00:00
Martin Mares
6567e6cf50 Missing parameters... 2000-06-08 12:42:34 +00:00
Ondrej Filip
17e29574bc Better algoritmus of LSA aging. 2000-06-07 23:48:33 +00:00
Ondrej Filip
25a3f3da7a I mark all LSA as in distance INFINITY in process of aging. 
I don't have to WALK twice through it.
 2000-06-07 23:34:43 +00:00
Ondrej Filip
e9ab0b4212 Doc in lsalib.c + related minor changes. 2000-06-07 22:31:47 +00:00
Ondrej Filip
064b1d8932 Tracing. 2000-06-06 02:50:49 +00:00
Ondrej Filip
fef1badfcf All die() renamed to bug(). 2000-06-06 01:00:34 +00:00