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2021-03-08memmod: use resource functions from x/sysJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-03-08memmod: do not use IsBadReadPtrJason A. Donenfeld
It should be enough to check for the trailing zero name. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-01-28global: bump copyrightJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-01-20tun/wintun/memmod: gofmtJosh Bleecher Snyder
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
2021-01-20tun/wintun/memmod: fix format verbJosh Bleecher Snyder
Caught by 'go vet'. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
2021-01-07memmod: apply explicit build tags to _32 and _64 filesJason A. Donenfeld
Since _32 and _64 aren't valid goarchs, they don't match _GOOS_GOARCH, and so the existing tags wind up not being restricted to windows-only. This fixes the problem by adding windows to the tags explicitly. We could also fix it by calling the files _32_windows or _64_windows, but that changes the convention with the other single-arch files. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-01-07wintun: do not load dll in init()Jason A. Donenfeld
This prevents linking to wintun.dll until it's actually needed, which should improve startup time. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-11-27memmod: fix import loading function usageJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-11-11wintun: load from filesystem by defaultJason A. Donenfeld
We let people loading this from resources opt in via: go build -tags load_wintun_from_rsrc Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-11-07global: switch to using %w instead of %v for ErrorfJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-11-07wintun: ring management moved to wintun.dllSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-11-07wintun: load wintun.dll from RCDATA resourceSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-11-07wintun: migrate to wintun.dll APISimon Rozman
Rather than having every application using Wintun driver reinvent the wheel, the Wintun device/adapter/interface management has been moved from wireguard-go to wintun.dll deployed with Wintun itself. Signed-off-by: Simon Rozman <simon@rozman.si>
2020-10-21tun/wintun/registry: fix Go 1.15 race/checkptr failureBrad Fitzpatrick
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> [Jason: ran go mod tidy.] Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-05-02global: update header comments and modulesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-05-02wintun: make remaining HWID comparisons case insensitiveSimon Rozman
c85e4a410f27986a2967a49c0155633c716bf3ca introduced preliminary HWID checking to speed up Wintun adapter enumeration. However, all HWID are case insensitive by Windows convention. Furthermore, a device might have multiple HWIDs. When DevInfo's DeviceRegistryProperty(SPDRP_HARDWAREID) method returns []string, all strings returned should be checked against given hardware ID. This issue was discovered when researching Wintun and wireguard-go on Windows 10 ARM64. The Wintun adapter was created using devcon.exe utility with "wintun" hardware ID, causing wireguard-go fail to enumerate the adapter properly. Signed-off-by: Simon Rozman <simon@rozman.si>
2020-05-02setupapi: extend struct size constant definitions for arm(64)Simon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2020-05-02wintun: split error message for create vs open namespace.Avery Pennarun
Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>
2019-11-22wintun: manage ring memory manuallyJason A. Donenfeld
It's large and Go's garbage collector doesn't deal with it especially well.
2019-10-22global: fix a few typos courtesy of codespellJonathan Tooker
Signed-off-by: Jonathan Tooker <jonathan.tooker@netprotect.com>
2019-10-21namespaceapi: remove tasteless commentJason A. Donenfeld
2019-10-17wintun: normalize variable names for their typesJason A. Donenfeld
2019-10-17wintun: quickly ignore non-Wintun devicesAvery Pennarun
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]
2019-10-08wintun: expose versionJason A. Donenfeld
2019-10-04mod: bump versionsJason A. Donenfeld
2019-09-16winpipe: use x/sys/windows instead of syscallJason A. Donenfeld
2019-09-16wintun: use correct length for security attributesJason A. Donenfeld
2019-09-05namespaceapi: AddSIDToBoundaryDescriptor modifies the handleJason A. Donenfeld
2019-09-01wintun: take mutex first alwaysJason A. Donenfeld
This prevents an ABA deadlock with setupapi's internal locks.
2019-09-01wintun: consider abandoned mutexes as releasedJason A. Donenfeld
2019-08-30wintun: put mutex into private namespaceJason A. Donenfeld
2019-08-30namespaceapi: fix mistakeJason A. Donenfeld
2019-08-30namespaceapi: initial versionSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-08-30wintun: take mutex so that deletion uses the right nameJason A. Donenfeld
2019-08-29wintun: move ring constants into moduleJason A. Donenfeld
2019-08-29wintun: delete all interfaces is not used anymoreJason A. Donenfeld
2019-08-29wintun: Wintun->InterfaceJason A. Donenfeld
2019-08-29wintun: keep reference to pool in wintun objectJason A. Donenfeld
2019-08-29wintun: introduce adapter poolsSimon Rozman
This makes wintun package reusable for non-WireGuard applications. Signed-off-by: Simon Rozman <simon@rozman.si>
2019-08-28wintun: simplify rename logicJason A. Donenfeld
2019-08-28wintun: give better errors when ndis interface listing failsJason A. Donenfeld
2019-08-28wintun: also check for numbered suffix and friendly nameJason A. Donenfeld
2019-08-28wintun: upgrade deleting all interfaces and make it reusableSimon Rozman
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>
2019-08-27wintun: cleanup earlierJason A. Donenfeld
2019-08-27wintun: rename duplicate adapters instead of ourselvesJason A. Donenfeld
2019-08-26wintun: match suffix numbersJason A. Donenfeld
2019-08-24wintun: make description consistent across fieldsJason A. Donenfeld
2019-08-22wintun: try multiple names until one isn't a duplicateJason A. Donenfeld
2019-08-21wintun: use nci.dll directly instead of buggy netshellJason A. Donenfeld
2019-08-20wintun: set friendly a bit betterJason A. Donenfeld
This is still wrong, but NETSETUPPKEY_Driver_FriendlyName seems a bit tricky to use.
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