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87ef399d1c
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Author SHA1 Message Date
Jason A. Donenfeld
87ef399d1c driver: do not allow compiler to reload PacketSize 
In theory, the compiler could reload PacketSize after the bounds check
but before it's passed to NdisAllocateNetBufferAndNetBufferList. In
practice, it's not actually doing that, but better safe than sorry.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-09 22:23:26 +01:00
Jason A. Donenfeld
0f6296516a version: bump 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-09 15:34:38 +01:00
Jason A. Donenfeld
fc348f519b api: relax IsPoolMember estimation 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-09 15:34:38 +01:00
Jason A. Donenfeld
0d214d7254 api: do not call UpdateDriverForPlugAndPlayDevicesW 
This seems to reset a number of device properties, and our update flow
seems to update old adapters without needing to call this.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-09 15:14:33 +01:00
Jason A. Donenfeld
8ec14e5f6d api: take pool mutex when deleting 
This prevents us from racing with driver deletion. Mutexes are
recursive, so we shouldn't deadlock if called from Enum.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-09 13:15:57 +01:00
Jason A. Donenfeld
7c5233a80e api: account for adapter disappearing during deletion 
This makes the race less fatal.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-09 13:11:07 +01:00
Jason A. Donenfeld
3dbaafd4ae api: manipulate process token if thread token didn't require impersonation 
Otherwise rundll32.exe fails if we're already SYSTEM.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-07 15:04:33 +01:00
Simon Rozman
c581a9f6cd api: fix Function and Prefix logging order 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2020-11-07 15:04:33 +01:00
Simon Rozman
b0ebb6d0ad api: fix LastError override 
The LastError was overridden by the stdout reader thread exit code
masking the true reason why ExecuteRunDll32() failed and even worse: as
the thread exited gracefully, the true reason was overridden by
ERROR_SUCCESS and returning TRUE (success).

Signed-off-by: Simon Rozman <simon@rozman.si>
 2020-11-07 15:04:33 +01:00
Jason A. Donenfeld
3f843c9aab proj: use less scary caps for zip license file 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-06 10:44:32 +01:00
Jason A. Donenfeld
ed0465b8a7 api: avoid loading version.dll if not used 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-06 10:25:15 +01:00
Simon Rozman
a00c8ca685 driver: move to subfolder 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2020-11-06 07:29:47 +01:00
Jason A. Donenfeld
c891e84259 api: include arm64 in amd64 
ARM64 will still run AMD64 apps.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 16:58:43 +01:00
Jason A. Donenfeld
9f3d466791 api: remove WintunOpenAdapterDeviceObject 
Discourage use of kernel interface, which gives us more flexibility if
we ever want to change it.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 16:58:43 +01:00
Jason A. Donenfeld
1e00f310ec example: raise to 4MiB 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 16:58:43 +01:00
Jason A. Donenfeld
82c41bdb4b api: rearrange wintun.h to have better grouping and improve docs 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 16:58:43 +01:00
Jason A. Donenfeld
1285b8f528 api: rename WintunGetAdapter to WintunOpenAdapter 
"Create" and "Open" natural names for these.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 16:58:43 +01:00
Jason A. Donenfeld
e9e790605a api: rename ReceiveRelease to ReleaseReceivePacket 
This makes the API parallel:
Wintun*Allocate*SendPacket -> WintunSendPacket
WintunReceivePacket -> Wintun*Release*ReceivePacket

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 16:58:43 +01:00
Jason A. Donenfeld
6afbb300b9 README: improve code example 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 16:58:43 +01:00
Jason A. Donenfeld
b7f5ee9a4e api: move InititalizeWintun to top to be easier to find 
It's the primary function we want people copy and pasting.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 16:58:43 +01:00
Jason A. Donenfeld
8861fdc316 api: add cfgmgr32.dll to delayed load list 
It's in the registry but not in the NT object key.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 16:58:43 +01:00
Jason A. Donenfeld
e458b4a8a4 wintun: simplify vcxproj 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 16:58:43 +01:00
Jason A. Donenfeld
f2b4363f1c vs: cause example to be default selected run project 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 11:09:44 +01:00
Jason A. Donenfeld
f342cc6903 .gitignore: simplify build dir match 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-05 11:06:53 +01:00
Simon Rozman
abbf658211 api: fix typo in ring-management function prototype declarations 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2020-11-05 08:36:28 +01:00
Jason A. Donenfeld
317a91bcbe README: add reference and describe info 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-04 21:37:33 +01:00
Jason A. Donenfeld
3158b553c4 api: document enum argument properly 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-04 21:22:47 +01:00
Jason A. Donenfeld
fc27d8ccd2 api: document log enum 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-04 21:22:47 +01:00
Jason A. Donenfeld
65dee05229 api: remove enum name for logger level 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-04 21:22:47 +01:00
Jason A. Donenfeld
2b4e164d69 api: document adapter handle return value properly 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-04 16:19:53 +01:00
Jason A. Donenfeld
c26b16e06f api: CALLBACK_FUNC -> CALLBACK 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-04 16:46:24 +01:00
Simon Rozman
b8401ad25b api: upgrade nci.lib and wintun-inf.h building 
The additional build steps performed are now attached to the build
process using BeforeTargets/AfterTargets.

Signed-off-by: Simon Rozman <simon@rozman.si>
 2020-11-04 16:44:01 +01:00
Jason A. Donenfeld
dc99f96da7 api: rename GetVersion to GetRunningDriverVersion 
This makes our intentions a lot more clear, and in case we ever add
other version functions, makes the forward path simpler.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-04 14:53:39 +01:00
Jason A. Donenfeld
e2ffd0b3b3 example: account for buffer being drained too slowly 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-04 14:50:03 +01:00
Jason A. Donenfeld
5d1efa847f api: use a logging alloc function 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-04 13:21:43 +01:00
Jason A. Donenfeld
9c349273f5 api: concatenate function name at runtime 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-04 13:21:43 +01:00
Simon Rozman
0a51e26730 api: include the rundll32 helpers the MSVC-typical way 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2020-11-04 13:21:42 +01:00
Simon Rozman
552821f59a api: translate NTSTATUS to Win32 error codes 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2020-11-04 13:21:42 +01:00
Simon Rozman
f657e6fd27 api: use GetLastError() to report failures like standard Win32 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2020-11-04 13:21:42 +01:00
Jason A. Donenfeld
5ad7d10589 example: account for adapter reuse 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-03 18:42:43 +01:00
Jason A. Donenfeld
ed78f86783 wintun: upset everybody by doing multiplication via string concatenation 
Because we can.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-03 18:37:40 +01:00
Jason A. Donenfeld
677ba8680f wintun: extract inf driverver at compile time into C header 
This requires us to make some insane conversions between INF date,
JavaScript time, and finally Windows file time. The point is to mimic
SystemTimeToFileTime, which is what SpInf.dll's pSetupStringToDriverDate
does on the YYYY-MM-DD from the INF.

The result is that we no longer have to parse an ancient text format in
C at runtime.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-03 18:29:52 +01:00
Jason A. Donenfeld
55345ae386 api: move nci.lib generation to custom step 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-03 16:10:16 +01:00
Jason A. Donenfeld
90a33d9cc6 api: move undocumented ntdll symbols to ntdll.h 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-03 15:28:17 +01:00
Jason A. Donenfeld
d5dc79255d wintun: use proper import type for undocumented functions 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-03 14:42:18 +01:00
Jason A. Donenfeld
080b6896e0 api: constify pool argument 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-03 12:47:26 +01:00
Jason A. Donenfeld
8963f7258e api: remove guid getter 
The iphlpapi takes both LUIDs and GUIDs but prefers LUIDs, so exposing
the NET_LUID makes sense. However, we were previously exposing the
configuration GUID, rather than the net GUID, which is confusing, so
just make it all go away.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-03 12:34:19 +01:00
Jason A. Donenfeld
2af7fbd64a api: use 'open' name since caller must close handle 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-03 12:31:49 +01:00
Jason A. Donenfeld
7dede73406 api: add pool/driver removal for uninstaller semantics 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-03 12:27:42 +01:00
Jason A. Donenfeld
0c85a2ebf1 api: move _L macro where it belongs 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2020-11-03 11:42:48 +01:00