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Commit Graph

950 Commits

Author SHA1 Message Date
Arceliar
6ecbc439f0 start migrating Conn to be an actor 2019-08-23 23:36:00 -05:00
Arceliar
cac3444d9a fix debug builds 2019-08-23 22:40:13 -05:00
Arceliar
cf9880464b explicitly consider the session finished case, and make a note that we could fix the packet drop situation by making the Conn into an actor too 2019-08-23 22:36:59 -05:00
Arceliar
e3603c0462 clean up unused session code 2019-08-23 22:25:40 -05:00
Arceliar
533da351f9 fix actor EnqueueFrom stack overflow (use nil now to send from self) and replace session send/recv workers with actor functions 2019-08-23 22:23:01 -05:00
Arceliar
436c84ca33 refactor sessions to store a pointer to router instead of core 2019-08-23 20:53:00 -05:00
Arceliar
5bb85cf07b refactor searches to store a pointer to router instead of core 2019-08-23 20:42:38 -05:00
Arceliar
e7024a00e7 have dht store a pointer to router instead of core 2019-08-23 20:35:54 -05:00
Arceliar
ebd806f27a move router member initialization into router.init 2019-08-23 20:29:16 -05:00
Arceliar
9835c63818 refactor things the router owns (dht, sessions, searches) into that struct, to make the ownership more explicit 2019-08-23 20:26:15 -05:00
Arceliar
bbcbbaf3b1 start migrating sessionInfo to be an actor 2019-08-23 20:05:18 -05:00
Arceliar
8e89816099 more router migration: rename functions that should only be called internally by the actor 2019-08-23 18:59:34 -05:00
Arceliar
232e6d3cb3 more router migration 2019-08-23 18:55:41 -05:00
Arceliar
9d7e7288c6 start migrating the router to an actor 2019-08-23 18:47:15 -05:00
Arceliar
12ce8c6a0a
Merge pull request #512 from neilalexander/cryptokey
Cryptokey routing changes
2019-08-20 20:23:00 -05:00
Arceliar
226dd6170d hopefully prevent a deadlock 2019-08-20 18:49:53 -05:00
Arceliar
4156aa3003 move ckr checks into the tunConn code 2019-08-20 18:10:08 -05:00
Neil Alexander
b79829c43b
Merge branch 'develop' into cryptokey 2019-08-20 09:43:17 +01:00
Neil Alexander
b6e67bc0ba
Check CKR remotes when receiving traffic 2019-08-20 09:38:46 +01:00
Neil Alexander
2b6462c8a9
Strict checking of Yggdrasil source/destination addresses 2019-08-20 09:38:27 +01:00
Arceliar
834a6a6f1a don't allocate a new child cancellation in Conn read/write calls if no deadline is set 2019-08-19 18:06:05 -05:00
Neil Alexander
2a629880fd
Rename crypto-key config options, improve control flow 2019-08-19 10:28:30 +01:00
Arceliar
8af1a7086c when a link becomes idle and packet are buffered that the link could send, send at least 65535 bytes worth instead of 1 packet, this reduces syscall overhead when small packets are sent through the network 2019-08-18 12:29:07 -05:00
Arceliar
62337bcd64 allow links to send multiple packets at once, currently we still only bother to send 1 at a time from the switch level 2019-08-18 12:17:54 -05:00
Arceliar
fd5f3ca764 fix heap pop order 2019-08-16 23:07:40 -05:00
Arceliar
03b8af9f1a keep track of recent nonces with a heap and a map instead of a fixed-size bitmask 2019-08-16 18:37:16 -05:00
Neil Alexander
5b054766a2
Update comments in handleIn, add switch_getFlowLabelFromCoords helper (in case it is useful if we try to consider flowlabels in multi-link scenarios) 2019-08-15 10:54:04 +01:00
Arceliar
1a2b7a8b60 test a change to how switch hops are selected when multiple links are idle 2019-08-14 17:57:36 -05:00
Neil Alexander
f26f071901
Merge pull request #497 from Slex/issues/488
Implement feature from https://github.com/yggdrasil-network/yggdrasil
2019-08-14 20:11:15 +01:00
Neil Alexander
33cd10c463
Merge branch 'issues/488' of github.com:slex/yggdrasil-go into issues/488 2019-08-14 19:58:45 +01:00
Neil Alexander
4702da2bcb
Use new netlink library (fixes #493) 2019-08-14 19:32:40 +01:00
Neil Alexander
d9fabad8bc
Merge pull request #502 from Arceliar/linkleak
Try to fix leaks in #501
2019-08-14 07:17:39 +01:00
Arceliar
46c5df1c23 when we abandon a link because we already have a connection to that peer, only wait for the connection to close if it's an *outgoing* link, otherwise incomming connection attempts can cause us to leak links 2019-08-13 18:49:49 -05:00
Arceliar
b2cb1d965c avoid leaking sessions when no listener exists, or blocking if it's busy 2019-08-12 18:22:30 -05:00
Arceliar
277da1fe60 make sure searches don't end if try to continue (in parallel) with nowhere left to send, but we just sent a search and are still waiting for a response 2019-08-11 13:11:14 -05:00
Arceliar
7a28eb787e try to fix a few edge cases with searches that could lead them to ending without the callback being run or without cleaning up the old search info 2019-08-11 13:00:19 -05:00
Slex
589ad638ea Implement feature from https://github.com/yggdrasil-network/yggdrasil-go/issues/488 2019-08-11 00:31:22 +03:00
Arceliar
5e81a0c421 Use a separate buffer per session for incoming packets, so 1 session that floods won't block other sessions 2019-08-07 18:08:31 -05:00
Arceliar
9ab08446ff make sure the sessionInfo.recvWorker doesn't block if sinfo.recv somehow fills 2019-08-07 17:40:50 -05:00
Neil Alexander
c99ed9fb60
Merge pull request #491 from Arceliar/flowkey
Fix the old flowkey stuff so congestion control actually works...
2019-08-07 10:33:17 +01:00
Arceliar
d795ab1b65 minor allocation fix 2019-08-06 20:51:38 -05:00
Arceliar
790524bd1c copy/paste old flowkey logic into a util function, add a struct of key and packet, make WriteNoCopy accept this instead of a slice 2019-08-06 19:25:55 -05:00
Arceliar
679866d5ff have createSession fill the sessionInfo.cancel field, have Conn use Conn.session.cancel instead of storing its own cancellation, this should prevent any of these things from being both nil and reachable at the same time 2019-08-05 19:11:28 -05:00
Arceliar
8a85149817 remove src/.DS_Store 2019-08-05 18:50:08 -05:00
Arceliar
84a4f54217 temporary fix to nil pointer, better to make sure it's never nil 2019-08-05 18:49:15 -05:00
Neil Alexander
bd3b42022b
Merge pull request #480 from Arceliar/speedup
Speedup
2019-08-05 10:24:54 +01:00
Neil Alexander
2ee00fcc09
Return box_pub_key as hex string in JSON (replaces #481) 2019-08-05 10:21:40 +01:00
Neil Alexander
3a2ae9d902
Update API to represent coords as []uint64 2019-08-05 10:17:19 +01:00
Neil Alexander
37533f157d
Make some API changes (currently broken) 2019-08-05 00:30:12 +01:00
Arceliar
979c3d4c07 move some potentially blocking operations out of session pool workers, minor cleanup 2019-08-04 16:29:58 -05:00
Arceliar
c55d7b4705 have the switch queue drop packts to ourself when the total size of all packets is at least queueTotalMaxSize, instead of an arbitrary unconfigurable packet count 2019-08-04 16:16:49 -05:00
Arceliar
6803f209b0 have tuntap code use Conn.ReadNoCopy and Conn.WriteNoCopy to avoid copying between slices 2019-08-04 15:59:51 -05:00
Arceliar
5d5486049b add Conn.ReadNoCopy and Conn.WriteNoCopy that transfer ownership of a slice instead of copying, have Read and Write use the NoCopy versions under the hood and just manage copying as needed 2019-08-04 15:53:34 -05:00
Arceliar
07f14f92ed disable crypto and switch buffer changes from testing 2019-08-04 15:25:14 -05:00
Arceliar
0ba8c6a34f have the stream code use bufio instead of copying manually to an input buffer, slightly reduces total uses of memmove 2019-08-04 15:21:04 -05:00
Arceliar
75b931f37e eliminate some more copying between slices 2019-08-04 14:50:19 -05:00
Arceliar
f52955ee0f WARNING: CRYPTO DISABLED while speeding up stream writeMsg 2019-08-04 14:18:59 -05:00
Arceliar
1e6a6d2160 use session.cancel in the router to make blocking safe, reduce size of fromRouter buffer so the drops in the switch are closer to the intended front-drop behavior 2019-08-04 02:21:41 -05:00
Arceliar
7bf5884ac1 remove some lossy channel sends that should be safe to allow to block 2019-08-04 02:14:45 -05:00
Arceliar
6da5802ae5 don't block forever in Write if the session is cancelled, cleanup Conn.Read slightly 2019-08-04 02:08:47 -05:00
Arceliar
144c823bee just use a sync.Pool as the bytestore to not overcomplicate things, the allocations from interface{} casting don't seem to actually hurt in practice right now 2019-08-04 00:28:13 -05:00
Arceliar
cbbb61b019 fix another drain on the bytestore 2019-08-04 00:00:41 -05:00
Arceliar
00e9c3dbd9 do session crypto work using the worker pool 2019-08-03 23:27:52 -05:00
Arceliar
befd1b43a0 refactor session worker code slightly 2019-08-03 23:14:51 -05:00
Arceliar
7a9ad0c8cc add workerpool to util 2019-08-03 23:10:37 -05:00
Arceliar
b9987b4fdc reduce time spent with a mutex held in sessionInfo.recvWorker 2019-08-03 22:47:10 -05:00
Arceliar
099bd3ae1e reduce part of sendWorker that needs to keep a mutex 2019-08-03 22:35:10 -05:00
Arceliar
72ed541bf3 a little cleanup to Conn functions 2019-08-03 22:07:38 -05:00
Arceliar
5dfc71e1ee put bytes back when done 2019-08-03 22:00:47 -05:00
Arceliar
df0090e32a Add per-session read/write workers, work in progress, they still unfortunately need to take a mutex for safety 2019-08-03 21:46:18 -05:00
Neil Alexander
853054eb62
Merge pull request #475 from Arceliar/misc
Misc
2019-07-29 20:24:49 +01:00
Arceliar
406e143f7f move some logic from TunAdapter.reader into a new function, TunAdapter.readerPacketHandler 2019-07-28 23:33:04 -05:00
Neil Alexander
7c4c1558ff
Merge pull request #474 from neilalexander/gomobile
Various API changes and simplifications to fix mobile builds
2019-07-28 19:34:06 +01:00
Neil Alexander
cbc8711dd3
Remove mobile module, since it can now be moved into another repository 2019-07-28 13:39:29 +01:00
Neil Alexander
c9554f82be
Formatting tweaks in api.go 2019-07-28 11:35:16 +01:00
Neil Alexander
24f4754f2b
Export NodeInfoPayload type, rename some API functions 2019-07-28 11:30:24 +01:00
Arceliar
38e1503b28 split up some of the tun reader logic into a separate worker, so the main loop can be mostly just syscalls 2019-07-27 20:09:43 -05:00
Arceliar
b66bea813b rename a couple of things and move a PutBytes so it happens sooner 2019-07-27 18:23:55 -05:00
Arceliar
9e118884d4 remove some commented code 2019-07-27 18:12:06 -05:00
Arceliar
e0a3055c2f get rid of session workers, new util.PutBytes/GetBytes logic 2019-07-27 18:10:32 -05:00
Neil Alexander
377f88512b
Remove commented out router function 2019-07-27 15:57:19 +01:00
Neil Alexander
de1005e4fa
Various API changes and simplifications to fix mobile builds 2019-07-27 15:00:09 +01:00
Neil Alexander
195d577151
Add IFF_NODAD/IFF_SECURED, define consts 2019-07-27 13:30:47 +01:00
Arceliar
e5bb9bcb8d change how searches are initialized so we actually send a dhtReq to ourself and get a response, in case we're the destination 2019-07-26 17:44:40 -05:00
Neil Alexander
6263fa287c
Merge pull request #467 from neilalexander/debugtext
Send PPROF output text to stderr
2019-07-23 08:15:03 +01:00
Neil Alexander
f208b7f542
Merge pull request #469 from neilalexander/fix468
Don't send IP back twice with getPeers
2019-07-23 08:14:49 +01:00
Neil Alexander
de9d0a6cf1
Redirect Conn session closure errors to debug channel 2019-07-22 22:41:55 +01:00
Neil Alexander
8669091a08
Don't send IP back twice with getPeers 2019-07-22 19:45:48 +01:00
Neil Alexander
34ac5c9197
Send PPROF output text to stderr instead of stdout so that it doesn't break -genconf 2019-07-20 21:56:53 +01:00
Neil Alexander
48ad3c5d7f
Update water go.mod references, fix some bugs in TAP mode (which should hopefully fix Windows support too) 2019-07-20 16:13:54 +01:00
Neil Alexander
36201895e7
Don't mangle bs slice in TAP mode 2019-07-20 12:10:05 +01:00
Neil Alexander
2582df752d
Fix resetting Windows adapter (reverting previous change) 2019-07-20 11:43:30 +01:00
Neil Alexander
1a5c2a4942
Update Windows module a bit - capture TAP setup errors earlier, refer to newer version of water which should fix #456 2019-07-19 22:21:30 +01:00
Arceliar
cf3ebe04a7 have Conn use Cancellation instead of manually setting up timers 2019-07-17 21:37:45 -05:00
Arceliar
6bf182e341 add util.CancellationChild() and run gofmt 2019-07-17 21:15:02 -05:00
Arceliar
06e8403aaf add cancellation code to util, like context but just the cancellation parts + some error logic 2019-07-17 21:09:22 -05:00
Arceliar
5301207480 fix possible unsafe memory use in Conn.Read 2019-07-17 18:25:38 -05:00
Neil Alexander
06330f503f
Recover if stillAlive fails 2019-07-18 00:02:16 +01:00
Neil Alexander
311c612f2e
Only flag stillAlive on successful write 2019-07-17 23:23:19 +01:00
Neil Alexander
307b24d8cb
Fix Conn.Read/Conn.Write behavior after Conn.Close, get rid of second TUN/TAP conn reader goroutine, no longer use deadlines 2019-07-17 21:42:17 +01:00
Neil Alexander
1bf1c6eb36
Revert "Remove stillAlive code from TUN/TAP conn as it is no longer required with the new deadlines"
This reverts commit eec70bf2f2.
2019-07-17 19:43:29 +01:00
Neil Alexander
eec70bf2f2
Remove stillAlive code from TUN/TAP conn as it is no longer required with the new deadlines 2019-07-17 13:53:16 +01:00
Neil Alexander
7d1c03d2ac
Only call stillAlive if channel read succeeds 2019-07-17 12:07:16 +01:00
Neil Alexander
747b50bb7c
Try to improve handling of timeouts 2019-07-17 11:13:53 +01:00
Neil Alexander
d34600b5f9
Try to fix TUN/TAP conn reader leakage 2019-07-17 10:12:10 +01:00
Neil Alexander
145a43e5f0
Fix #413 by always generating public keys from private ones instead of trusting public keys supplied by config 2019-07-16 09:49:28 +01:00
Neil Alexander
ea9d5db16d
Make admin socket output a bit friendlier (fixes #385) 2019-07-07 19:41:53 +01:00
Neil Alexander
30c03369cd
Try to fix CKR setup deadlock, fix some Windows output formatting 2019-07-06 20:08:32 +01:00
Neil Alexander
a10c141896
Fix data race on peermacs 2019-07-06 15:15:43 +01:00
Neil Alexander
e8272926a4
Fix TAP mode 2019-07-06 15:08:17 +01:00
Neil Alexander
618d46a7b3
Don't block on adding peers in case one is unreachable and we are forced to wait for timeout 2019-07-06 12:12:30 +01:00
Neil Alexander
12486b0557
Try to more gracefully handle shutdowns on Windows 2019-07-06 11:52:30 +01:00
Arceliar
86c30a1fc4 fix another panic from a send on a closed session worker channel, from races between Conn.Read/Write/Close 2019-07-01 18:55:07 -05:00
Arceliar
cd29fde178 temporary workaround to concurrency bug in sessions.getSharedKey 2019-06-29 19:32:15 -05:00
Arceliar
fbe44ea973 fix bug in session api code 2019-06-29 19:25:34 -05:00
Arceliar
40553a6a44 make GetSessions use the session workers to avoid races 2019-06-29 18:56:26 -05:00
Arceliar
d39428735d recover if we try to send to a closed session worker due to a race between a Conn.Write call and a Conn.Close call 2019-06-29 18:50:21 -05:00
Arceliar
28db566b37 fix concurrency bug in iface.go 2019-06-29 18:44:24 -05:00
Arceliar
7d58a7ef3e fix channel multiple close bug and concurrency bug in the way sessionInfo.close was being called 2019-06-29 17:44:28 -05:00
Arceliar
818eca90db fix nil pointer deref if searches fail, block dial until a search exceeds or a timeout passes (todo: replace timer with context) 2019-06-29 16:10:02 -05:00
Arceliar
8ecf99d8a9
Merge pull request #443 from Arceliar/dial
Bugfix in dial code
2019-06-29 12:21:19 -05:00
Arceliar
784acba823 I think this fixes the concurrent map read/write panic 2019-06-29 12:14:44 -05:00
Neil Alexander
0d23342358
Merge pull request #441 from Arceliar/dial
Dial
2019-06-29 10:52:05 +01:00
Arceliar
e88bef35c0 get rid of old buffered session packets 2019-06-28 20:02:58 -05:00
Arceliar
e7cb76cea3 clean up unused old session maps 2019-06-28 19:21:44 -05:00
Arceliar
c808be514f make tunAdapter.wrap return the right thing 2019-06-28 19:11:28 -05:00
Arceliar
5df110ac79 make Dial block until the search finishes, and use it as such 2019-06-28 18:42:31 -05:00
Neil Alexander
ac8ff740ee
Merge pull request #438 from neilalexander/multicast
Try and solidify multicast interface behavior
2019-06-29 00:38:38 +01:00
Neil Alexander
27b3b9b49b
Return new copy of interfaces on each Interfaces() call 2019-06-29 00:12:56 +01:00
Neil Alexander
93a323c62c
Add support for logging to file or syslog instead of stdout 2019-06-28 23:45:04 +01:00
Arceliar
29a0f8b572 some minor refactoring to dht callbacks and searches, work in progress 2019-06-25 19:31:29 -05:00
Neil Alexander
54f1804101
Try and solidify multicast interface behavior 2019-06-20 15:11:55 +01:00
Neil Alexander
2fd3ac6837
Merge pull request #432 from neilalexander/gatekeeper
Implement session gatekeeper functions
2019-06-13 23:41:42 +01:00
Neil Alexander
f545060e89
Add notes on isSessionAllowed checks 2019-06-13 23:37:53 +01:00
Neil Alexander
9a7d350884
Fix expressions 2019-06-11 23:48:00 +01:00
Neil Alexander
e229ad6e2b
Update comments 2019-06-11 12:52:13 +01:00
Neil Alexander
720a078a35
Add SetSessionGatekeeper
This allows you to define a function which determines whether a session connection (either incoming or outgoing) is allowed based on the public key.
2019-06-11 10:52:21 +01:00
Neil Alexander
17175b49f2
Add multicast interfaces to platform-specific defaults (this makes it easier to avoid bringing AWDL up by default on macOS as an example, or over L2 VPNs when not expected) 2019-06-11 10:18:59 +01:00
Arceliar
4b56849b08 fix issue with sessions dying and never being fixed 2019-06-10 22:09:12 -05:00
Arceliar
1addf08ccd don't have Conn.Read return an error for temorary crypto failures from e.g. out of order packets, just drop the packet and keep blocking until there's usable traffic 2019-05-31 17:51:01 -05:00
Neil Alexander
f0422dbd8b
Fix panic when determining if CKR is enabled 2019-05-30 17:33:59 +01:00
Neil Alexander
9e086e70f0
Don't indefinitely block TUN/TAP reader goroutine when a conn error happens 2019-05-30 12:44:47 +01:00
Neil Alexander
0096d1ae3e
Re-add ICMPv6 packet too big handling 2019-05-29 20:16:17 +01:00
Neil Alexander
3b6c726a3c
Fix bug where MTU was ignored by sessions, resulting in default 1280 2019-05-29 19:11:12 +01:00
Neil Alexander
78eb40cbad
Record session uptime (purely for the admin socket) 2019-05-29 12:59:36 +01:00
Arceliar
b2513fce56 have the tunConn close things after a 2 minute timeout 2019-05-28 18:35:52 -05:00
Arceliar
5ea864869a don't spam searches for unused connections. todo: timeout old connections somehow 2019-05-23 20:27:52 -05:00
Neil Alexander
70774fc3de
Reimplement get/setTunnelRouting, add/removeSourceSubnet, add/removeRoute, getRoutes, getSourceSubnets, make CKR threadsafe 2019-05-20 21:45:33 +01:00
Neil Alexander
5b8d8a9341
Reimplement getNodeInfo, dhtPing, get/add/removeAllowedEncryptionPublicKey, add/removePeer 2019-05-20 19:51:44 +01:00
Neil Alexander
e9e2d7bc6f
Remove debug println 2019-05-19 22:03:20 +01:00