55 Commits

Author	SHA1	Message	Date
Neil Alexander	0b494a8255	Refactoring: move tuntap and icmpv6 into separate package	2019-03-28 00:30:25 +00:00
Arceliar	304f22dc1d	re-enable session workers in a way that doesn't block and drops packets before decrypting if necessary	2019-02-28 20:05:21 -06:00
Arceliar	042adb0516	make sure the only place traffic is ever dropped is in the switch. this currently disables the dedicated crypto workers	2019-02-23 00:07:00 -06:00
Arceliar	bca69df1f6	possible workaround to a deadlock	2019-01-26 14:07:18 -06:00
Neil Alexander	62d4d62a77	Update comments	2019-01-21 16:24:29 +00:00
Neil Alexander	d3f67ad017	Improve command flow	2019-01-21 16:22:49 +00:00
Neil Alexander	cdfb930703	Update switch flow separation for IPv4	2019-01-21 12:27:29 +00:00
Neil Alexander	9d5085492e	Handle session firewall using central config	2019-01-16 20:38:51 +00:00
Neil Alexander	2cd373fc1e	Remove unnecessary selects	2019-01-15 08:51:19 +00:00
Neil Alexander	51026d762e	Make session firewall thread-safe for config updates	2019-01-14 18:24:35 +00:00
Neil Alexander	7fae1c993a	Handle errors from reconfigure tasks	2018-12-30 12:04:42 +00:00
Neil Alexander	219fb96553	Support notifying components for config reload, listen for SIGHUP	2018-12-29 18:51:51 +00:00
Arceliar	ea4ca02681	fix code after moving address/crypto/util	2018-12-14 20:49:18 -06:00
Neil Alexander	10157483f9	Move tunDevice into router	2018-12-14 17:35:02 +00:00
Arceliar	4e156bd4f7	better cleanup of maps	2018-11-25 12:25:38 -06:00
Arceliar	5fa23b1e38	move router.recvPacket calls into the main router goroutine, to make the ckr checks threadsafe	2018-11-20 22:04:18 -06:00
Neil Alexander	fc5a5830aa	Merge pull request #203 from Arceliar/chord ... Chord	2018-11-14 20:13:42 +00:00
Neil Alexander	c7f2427de1	Check CKR routes when receiving packets in router	2018-11-05 22:58:58 +00:00
Arceliar	03a88fe304	Try using a chord-like DHT instead of a kad-like one, work in progress, but it compiles at least	2018-10-20 14:48:07 -05:00
Neil Alexander	3ed63ede1e	Add AlwaysAllowOutbound to session firewall	2018-10-08 19:51:51 +01:00
Neil Alexander	3f237372c9	Only apply session firewall to pings for sessions we don't already have	2018-10-08 19:05:50 +01:00
Neil Alexander	2e2c58bfef	Add session firewall (extra security for controlling traffic flow to/from a given node)	2018-10-07 17:13:41 +01:00
cathugger	b4db89ea9d	Avoid unnecessarily allocating coords slice if it's unchanged.	2018-07-30 13:44:46 +00:00
cathugger	67b8a7a53d	Ensure no memory allocations happen at hot path	2018-07-30 12:43:34 +00:00
Neil Alexander	c4e6894d6a	Copy sinfo.coords for safety	2018-07-30 13:34:32 +01:00
Neil Alexander	ebb4ec7c33	Clean up the flow a bit (partly because I am allergic to huge compounded if statements)	2018-07-30 11:46:44 +01:00
cathugger	68a482ed92	Simplify flowkey stuff further.	2018-07-30 02:15:57 +00:00
cathugger	36dcab9300	optimize wire_put_uint64; use protokey for flowlabel fallback.	2018-07-30 01:58:52 +00:00
cathugger	fec7100898	Clean up / clarify coords sending code.	2018-07-30 00:01:37 +00:00
cathugger	11b0a82c4a	Simpler flowlabel parsing; avoid using 0 flowlabel.	2018-07-29 22:09:16 +00:00
Neil Alexander	38e8b036d2	Use addUint64 instead to not interfere with coordinate parsing	2018-07-22 18:33:53 +01:00
Neil Alexander	81fde1a805	Use flow label instead of TCP/UDP/SCTP source/destination ports	2018-07-22 18:16:03 +01:00
Neil Alexander	3f4295f8cd	Only split queues based on port number for TCP/UDP/SCTP, rely only on protocol number for other protos to prevent issues with IPIP, GRE, etc	2018-07-22 12:00:40 +01:00
Arceliar	9cbcaf39ac	Use coords for queue stream IDs in the switch, and append protocol/port information to coords when sending, to designate different streams	2018-07-21 18:59:29 -05:00
Arceliar	5dfa01a0e8	periodically clean up timed-out sessions and old signatures, instead of trying to do it when creating new sessions or adding new signatures	2018-06-21 20:31:30 -05:00
Arceliar	f7a7f601a0	cleanup old ugly session MTU code that only mattered with lossy UDP fragments	2018-06-14 08:38:43 -05:00
Arceliar	b006748da4	code cleanup	2018-06-12 17:50:08 -05:00
Arceliar	56802d569e	minor documentation updates, code comments, and a couple of bugfixes that I noticed when going through the code to comment it	2018-06-10 18:03:28 -05:00
Arceliar	bced15b138	remove TTL from traffic packets	2018-06-07 20:29:22 -05:00
Neil Alexander	bbdcee1015	Export fields of sessionPing, dhtReq, dhtRes	2018-06-02 22:19:42 +01:00
Neil Alexander	49af65296d	Export fields of wire structs	2018-06-02 21:21:05 +01:00
Neil Alexander	ca96bbf014	Accept exchanging an MTU of 0 to signify that TUN/TAP is disabled, don't send traffic to a node in that case	2018-05-18 18:56:33 +01:00
Neil Alexander	ec371af84f	Track TX/RX bytes over session and if MTU was adjusted, add to admin socket getSession	2018-05-18 17:59:29 +01:00
Arceliar	8ef2e55de6	try sending pings before sending searches for an unresponsive session	2018-04-22 15:31:30 -05:00
Arceliar	63b55cda62	Mostly working PMTU discovery when going over UDP links	2018-02-25 20:24:36 -06:00
Arceliar	bb3ae8b39b	temporarily limit PMTU to 2048, as a workaround to some pathelogical behavior where a TCP stream carried over a UDP peer can throttle down to 0 in the presence of significant packet loss	2018-02-23 12:46:22 -06:00
Neil Alexander	366d2af1d3	Fix first queued packet on session pcreation	2018-02-15 18:02:08 +00:00
Neil Alexander	7a0b48ffb3	Clean up session.go	2018-02-12 00:01:15 +00:00
Neil Alexander	536974f20c	Try to exchange MTUs when creating sessions	2018-02-11 23:09:05 +00:00
Arceliar	63aadf6e88	use smaller buffer sizes for buffered channels	2018-02-03 18:44:28 -06:00