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Author SHA1 Message Date
Avery Pennarun c85e4a410f wintun: quickly ignore non-Wintun devices 
Some devices take ~2 seconds to enumerate on Windows if we try to get
their instance name.  The hardware id property, on the other hand,
is available right away.

Signed-off-by: Avery Pennarun <apenwarr@gmail.com>
[zx2c4: inlined this to where it makes sense, reused setupapi const]
 2019-10-17 15:19:20 +02:00
Avery Pennarun 1b6c8ddbe8 tun: match windows CreateTUN signature to the Linux variant 
Signed-off-by: Avery Pennarun <apenwarr@gmail.com>
[zx2c4: fix default value]
 2019-10-17 15:19:20 +02:00
Avery Pennarun 0abb6b668c rwcancel: handle EINTR and EAGAIN in unixSelect() 
On my Chromebook (Linux 4.19.44 in a VM) and on an AWS EC2
machine, select() was sometimes returning EINTR. This is
harmless and just means you should try again. So let's try
again.

This eliminates a problem where the tunnel fails to come up
correctly and the program needs to be restarted.

Signed-off-by: Avery Pennarun <apenwarr@gmail.com>
 2019-10-17 15:19:17 +02:00
David Crawshaw 540d01e54a device: test packets between two fake devices 
Signed-off-by: David Crawshaw <crawshaw@tailscale.io>
 2019-10-16 11:38:28 +02:00
Jason A. Donenfeld f2ea85e9f9 version: bump snapshot 2019-10-12 22:34:10 +02:00
Jason A. Donenfeld 222f0f8000 Makefile: remove v prefix 2019-10-08 16:48:18 +02:00
Jason A. Donenfeld 1f146a5e7a wintun: expose version 2019-10-08 09:58:58 +02:00
Jason A. Donenfeld f2501aa6c8 uapi: allow preventing creation of new peers when updating 
This enables race-free updates for wg-dynamic and similar tools.

Suggested-by: Thomas Gschwantner <tharre3@gmail.com>
 2019-10-04 11:41:02 +02:00
Jason A. Donenfeld cb8d01f58a mod: bump versions 2019-10-04 11:41:02 +02:00
Jason A. Donenfeld 01f8ef4e84 winpipe: use x/sys/windows instead of syscall 2019-09-16 23:39:16 -06:00
Jason A. Donenfeld 70f6c42556 wintun: use correct length for security attributes 2019-09-16 19:38:33 -06:00
Jason A. Donenfeld bb0b2514c0 tun: windows: unify error message format 2019-09-08 13:52:44 -05:00
Jason A. Donenfeld 7c97fdb1e3 version: bump snapshot 2019-09-08 10:56:55 -05:00
Jason A. Donenfeld 84b5a4d83d main: simplify warnings 2019-09-08 10:56:00 -05:00
Jason A. Donenfeld 4cd06c0925 tun: openbsd: check for interface already being up 
In some cases, we operate on an already-up interface, or the user brings
up the interface before we start monitoring. For those situations, we
should first check if the interface is already up.

This still technically races between the initial check and the start of
the route loop, but fixing that is a bit ugly and probably not worth it
at the moment.

Reported-by: Theo Buehler <tb@theobuehler.org>
 2019-09-07 00:13:23 -05:00
Jason A. Donenfeld d12eb91f9a namespaceapi: AddSIDToBoundaryDescriptor modifies the handle 2019-09-05 21:48:21 -06:00
Jason A. Donenfeld 73d3bd9cd5 wintun: take mutex first always 
This prevents an ABA deadlock with setupapi's internal locks.
 2019-09-01 21:32:28 -06:00
Jason A. Donenfeld f3dba4c194 wintun: consider abandoned mutexes as released 2019-09-01 21:25:47 -06:00
Jason A. Donenfeld 7937840f96 ipc: windows: use protected prefix 2019-08-31 07:48:42 -06:00
Jason A. Donenfeld e4b957183c winpipe: enforce ownership of client connection 2019-08-30 13:21:47 -06:00
Jason A. Donenfeld 950ca2ba8c wintun: put mutex into private namespace 2019-08-30 11:03:21 -06:00
Jason A. Donenfeld df2bf34373 namespaceapi: fix mistake 2019-08-30 09:59:36 -06:00
Simon Rozman a12b765784 namespaceapi: initial version 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-08-30 15:34:17 +02:00
Jason A. Donenfeld 14df9c3e75 wintun: take mutex so that deletion uses the right name 2019-08-30 15:34:17 +02:00
Jason A. Donenfeld 353f0956bc wintun: move ring constants into module 2019-08-29 13:22:17 -06:00
Jason A. Donenfeld fa7763c268 wintun: delete all interfaces is not used anymore 2019-08-29 12:22:15 -06:00
Jason A. Donenfeld d94bae8348 wintun: Wintun->Interface 2019-08-29 12:20:40 -06:00
Jason A. Donenfeld 7689d09336 wintun: keep reference to pool in wintun object 2019-08-29 12:13:16 -06:00
Simon Rozman 69c26dc258 wintun: introduce adapter pools 
This makes wintun package reusable for non-WireGuard applications.

Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-08-29 18:00:44 +02:00
Jason A. Donenfeld e862131d3c wintun: simplify rename logic 2019-08-28 19:31:20 -06:00
Jason A. Donenfeld da28a3e9f3 wintun: give better errors when ndis interface listing fails 2019-08-28 08:39:26 -06:00
Jason A. Donenfeld 3bf3322b2c wintun: also check for numbered suffix and friendly name 2019-08-28 08:08:07 -06:00
Simon Rozman 7305b4ce93 wintun: upgrade deleting all interfaces and make it reusable 
DeleteAllInterfaces() didn't check if SPDRP_DEVICEDESC == "WireGuard
Tunnel". It deleted _all_ Wintun adapters, not just WireGuard's.

Furthermore, the DeleteAllInterfaces() was upgraded into a new function
called DeleteMatchingInterfaces() for selectively deletion. This will
be used by WireGuard to clean stale Wintun adapters.

Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-08-28 11:39:01 +02:00
Jason A. Donenfeld 26fb615b11 wintun: cleanup earlier 2019-08-27 11:59:15 -06:00
Jason A. Donenfeld 7fbb24afaa wintun: rename duplicate adapters instead of ourselves 2019-08-27 11:59:15 -06:00
Jason A. Donenfeld d9008ac35c wintun: match suffix numbers 2019-08-26 14:46:43 -06:00
Jason A. Donenfeld f8198c0428 device: getsockname on linux to determine port 
It turns out Go isn't passing the pointer properly so we wound up with a
zero port every time.
 2019-08-25 12:45:13 -06:00
Jason A. Donenfeld 0c540ad60e wintun: make description consistent across fields 2019-08-24 12:29:17 +02:00
Jason A. Donenfeld 3cedc22d7b wintun: try multiple names until one isn't a duplicate 2019-08-22 08:52:59 +02:00
Jason A. Donenfeld 68fea631d8 wintun: use nci.dll directly instead of buggy netshell 2019-08-21 09:16:12 +02:00
Jason A. Donenfeld ef23100a4f wintun: set friendly a bit better 
This is still wrong, but NETSETUPPKEY_Driver_FriendlyName seems a bit
tricky to use.
 2019-08-20 16:06:55 +02:00
Jason A. Donenfeld eb786cd7c1 wintun: also set friendly name after setting interface name 2019-08-19 10:12:50 +02:00
Jason A. Donenfeld 333de75370 wintun: defer requires unique variable 2019-08-19 10:12:50 +02:00
Jason A. Donenfeld d20459dc69 wintun: set adapter description name 2019-08-19 10:12:50 +02:00
Jason A. Donenfeld 01786286c1 tun: windows: don't spin unless we really need it 2019-08-19 10:12:50 +02:00
Jason A. Donenfeld b16dba47a7 version: bump snapshot 2019-08-05 19:29:12 +02:00
Jason A. Donenfeld 4be9630ddc device: drop lock before expiring keys 2019-08-05 17:46:34 +02:00
Jason A. Donenfeld 4e3018a967 uapi: skip peers with invalid keys 2019-08-05 16:57:41 +02:00
Jason A. Donenfeld b4010123f7 tun: windows: spin for only a millisecond/80 
Performance stays the same as before.
 2019-08-03 19:11:21 +02:00
Simon Rozman 1ff37e2b07 wintun: merge opening device registry key 
This also introduces waiting for key to appear on initial access.

See if this resolves the issue caused by HDD power-up delay resulting in
failure to create the adapter.

Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-08-02 16:08:49 +02:00