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2018-12-19Doc: Rename code documentation files back to DocOndrej Zajicek (work)
2018-09-18The MRT protocolOndrej Zajicek (work)
The new MRT protocol is responsible for periodic RIB table dumps in the MRT format (RFC 6396). Also the existing code for BGP4MP MRT dumps is refactored and splitted between BGP to MRT protocols, will be more integrated into MRT in the future. Example: protocol mrt { table "*"; filename "%N_%F_%T.mrt"; period 60; } It is partially based on the old MRT code from Pavel Tvrdik.
2018-07-28BSD: Use MSG_DONTROUTE for unicast packets on FreeBSDOndrej Zajicek (work)
BSD systems cannot use SO_DONTROUTE, because it does not work properly with multicast packets (perhaps it tries to find iface based on multicast group address). But we can use MSG_DONTROUTE sendmsg() flag for unicast packets. Works on FreeBSD, is ignored on OpenBSD and is broken on NetBSD (i guess due to integrated routing table and ARP table).
2018-04-23Doc: renamed progdoc files Doc -> progdoc to fix collision with doc/ folder ↵Maria Matejka
on case-insensitive filesystems
2017-09-12Backport some minor changes from int-newOndrej Zajicek (work)
2017-09-06Basic VRF supportOndrej Zajicek (work)
Add basic VRF (virtual routing and forwarding) support. Protocols can be associated with VRFs, such protocols will be restricted to interfaces assigned to the VRF (as reported by Linux kernel) and will use sockets bound to the VRF. E.g., different multihop BGP instances can use diffent kernel routing tables to handle BGP TCP connections. The VRF support is preliminary, currently there are several limitations: - Recent Linux kernels (4.11) do not handle correctly sockets bound to interaces that are part of VRF, so most protocols other than multihop BGP do not work. This will be fixed by future kernel versions. - Neighbor cache ignores VRFs. Breaks config with the same prefix on local interfaces in different VRFs. Not much problem as single hop protocols do not work anyways. - Olock code ignores VRFs. Breaks config with multiple BGP peers with the same IP address in different VRFs. - Incoming BGP connections are not dispatched according to VRFs. Breaks config with multiple BGP peers with the same IP address in different VRFs. Perhaps we would need some kernel API to read VRF of incoming connection? Or probably use multiple listening sockets in int-new branch. - We should handle master VRF interface up/down events and perhaps disable associated protocols when VRF goes down. Or at least disable associated interfaces. - Also we should check if the master iface is really VRF iface and not some other kind of master iface. - BFD session request dispatch should be aware of VRFs. - Perhaps kernel protocol should read default kernel table ID from VRF iface so it is not necessary to configure it. - Perhaps we should have per-VRF default table.
2017-05-16Remove autoconf macros for time_t and alignmentOndrej Zajicek (work)
Replaced by constant compile-time expressions. CPU_STRUCT_ALIGN is not really correct, but is consistent with the old behavior.
2016-11-25BGP: Fix memory leak in graceful restart codeOndrej Zajicek (work)
Prefix and bucket tables are initialized when entering established state but not explicitly freed when leaving it (that is handled by protocol restart). With graceful restart, BGP may enter and leave established state multiple times without hard protocol restart causing memory leak.
2016-11-08Minor code cleanupsOndrej Zajicek (work)
2016-11-03Add missing externOndrej Zajicek (work)
2016-11-02RIP: Use message authentication interfaceOndrej Zajicek (work)
Based on former commit from Pavel Tvrdik
2016-11-02Add generic message authentication interfaceOndrej Zajicek (work)
Add generic interface for generating and verifying MACs (message authentication codes). Replace multiple HMAC implementation with a generic one.
2016-11-01Build: switch on -Wextra, get rid of most of the warningsJan Moskyto Matejka
There are several unresolved -Wmissing-field-initializers on older versions of GCC than 5.1, all of them false positive.
2016-11-01Log: Fix broken syslog nameOndrej Zajicek (work)
BIRD passed string from configuration to openlog(), which kept it internally. After reconfiguration the old string was freed, therefore openlog had invalid copy. Thanks to Chris Caputo for the original patch.
2016-08-16Whitespace fixesPavel Tvrdik
2016-05-12Prog Doc: Complete several missing parametersPavel Tvrdik
2016-04-28Add the Babel routing protocol (RFC 6126)Ondrej Zajicek (work)
This patch implements the IPv6 subset of the Babel routing protocol. Based on the patch from Toke Hoiland-Jorgensen, with some heavy modifications and bugfixes. Thanks to Toke Hoiland-Jorgensen for the original patch.
2016-04-13BSD: Add the IPsec SA/SP database entries controlOndrej Zajicek (work)
Add code for manipulation with TCP-MD5 keys in the IPsec SA/SP database at FreeBSD systems. Now, BGP MD5 authentication (RFC 2385) keys are handled automatically on both Linux and FreeBSD. Based on patches from Pavel Tvrdik.
2016-04-07Main: Add local optionOndrej Zajicek (work)
Add option that changes default paths for config file and control socket to the current working directory.
2016-04-06IO: Replace RX priority heuristic with explicit markOndrej Zajicek (work)
In BIRD, RX has lower priority than TX with the exception of RX from control socket. The patch replaces heuristic based on socket type with explicit mark and uses it for both control socket and BGP session waiting to be established. This should avoid an issue when during heavy load, outgoing connection could connect (TX event), send open, but then failed to receive OPEN / establish in time, not sending notifications between and therefore got hold timer expired error from the neighbor immediately after it finally established the connection.
2016-03-23Birdlib: Modify lists to avoid problems with pointer aliasing rulesJan Moskyto Matejka
The old linked list implementation used some wild typecasts and required GCC option -fno-strict-aliasing to work properly. This patch fixes that. However, we still keep the option due to other potential problems. (Commited by Ondrej Santiago Zajicek)
2016-03-23Birdlib: Do cleanups after remove/freeOndrej Zajicek (work)
To avoid byzantine behavior in case of some errors, linked lists are cleared after rem_node() and resource headers are cleared after rfree().
2015-11-24MD5: Mormalize naming stylePavel Tvrdík
2015-11-24Merge branch 'master' into rip-newOndrej Zajicek (work)
2015-11-24Some consts for function argumentsOndrej Zajicek (work)
Patch from Pavel Tvrdik
2015-11-24Minor changes to SHA hash functionsOndrej Zajicek (work)
2015-11-13Add SHA-384/512 and HMAC-SHA-384/512 crypto hashPavel Tvrdík
2015-11-13Add SHA-224/256 and HMAC-SHA-224/256 crypto hashPavel Tvrdík
2015-11-13Add SHA1 and SHA1-HMAC crypto hashPavel Tvrdík
2015-11-13Add get_u64() and put_u64() into lib/unaligned.hPavel Tvrdík
2015-10-05Major RIP redesignOndrej Zajicek (work)
The new RIP implementation fixes plenty of old bugs and also adds support for many new features: ECMP support, link state support, BFD support, configurable split horizon and more. Most options are now per-interface.
2015-06-08BGP multipath supportOndrej Zajicek
Kernel option 'merge paths' allows to merge routes exported to kernel protocol (currently BGP and static routes) to multipath routes.
2015-06-08unsigned [int] -> uintPavel Tvrdík
2015-06-08unsgined char -> bytePavel Tvrdík
2015-05-01OSPF: Redesign LSA checksummingOndrej Zajicek
New LSA checksumming code separates generic Fletcher-16 and OSPF-specific code and avoids back and forth endianity conversions, making it much more readable and also several times faster.
2015-03-02Implement latency tracking, internal event log and watchdogOndrej Zajicek
2015-02-24Add minor commentOndrej Zajicek
2015-02-22Use IP_PORTRANGE_HIGH for BFD where availableOndrej Zajicek
2015-02-21Minor fixesPavel Tvrdík
2015-02-21Better Clang compatibilityPavel Tvrdik
2015-02-21Add const to a param msg at functions log_msg, log_rl, die, bug and debugPavel Tvrdik
2014-11-03Fininshing integrated OSPF.Ondrej Zajicek
2014-10-24Integrated IP functions.Ondrej Zajicek
2014-10-14Merge remote-tracking branch 'origin/master' into soft-intOndrej Zajicek
2014-10-02Implements token bucket filter for rate limiting.Ondrej Zajicek
2014-06-30Fixes integer overflow in show memory command.Ondrej Zajicek
Thanks to Job Snijders for the bugreport.
2014-06-26Temporary integrated OSPF commit.Ondrej Zajicek
2014-05-18IPv4/IPv6 integrated socket code.Ondrej Zajicek
2014-04-14Fixed bug in unused function.Ondrej Filip
2014-03-20BGP graceful restart support.Ondrej Zajicek
Also significant core protocol state changes needed for that, global graceful restart recovery state and kernel proto support for recovery.