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2019-04-01wintun: rename device using undocumented API that netsh.exe usesJason A. Donenfeld
2019-04-01wintun: add more retry loopsJason A. Donenfeld
2019-03-26tun: windows: cancel ongoing reads on closing and delete after closeJason A. Donenfeld
This reverts commit 52ec440d7977fad966002c3710ed9df957943407 and adds some spice.
2019-03-22wintun: query for NetCfgInstanceId several timesJason A. Donenfeld
2019-03-22tun: windows: delete interface before deleting file handlesJason A. Donenfeld
2019-03-22tun: windows: Make adapter rename asynchronousSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-22tun: windows: Adapter devices renamed to WINTUN<LUID Index>Simon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-22tun: windows: Increase unavailable adapter timeout to 30secSimon Rozman
5 seconds was too short when debugging. Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-22tun: windows: Make writing persistent tooSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-22tun: windows: Fix paused adapter testSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-21tun: windows: just open two file handlesJason A. Donenfeld
2019-03-21receive: implement flush semanticsJason A. Donenfeld
2019-03-21tun: windows: add dummy overlapped events backJason A. Donenfeld
These seem basically wrong to me, but we get crashes without them.
2019-03-20tun: windows: use new constants in sysJason A. Donenfeld
2019-03-20uapi: remove unhelpful log messagesJason A. Donenfeld
2019-03-21wintun: Use native Win32 API for I/OSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-19uapi: report endpoint errorJason A. Donenfeld
2019-03-18tun: windows: wintun does iocpJason A. Donenfeld
2019-03-13tun: windows: temporary hack for forcing MTUJason A. Donenfeld
2019-03-10wintun: Poll more oftenJason A. Donenfeld
2019-03-10uapi: make ipcerror conform to interfaceJason A. Donenfeld
2019-03-08wintun: Make errors more descriptiveSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-08wintun: Return correct reboot-req flag on CreateInterface() error tooSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-08wintun: Fix double-quoted strings escaping on outputSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-08wintun: Introduce SetupAPI enumerator and machineName constsSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-08Windows: Apply strict security descriptor on pipe serverOdd Stranne
Signed-off-by: Odd Stranne <odd@mullvad.net>
2019-03-08uapi: windows: work out pipe semanticsJason A. Donenfeld
Pipes can be arranged like this, so that's fine. We also apply a strict SDDL that can't be inherited and only gives access to local system. Developed-with: Odd Stranne <odd@mullvad.net>
2019-03-07wintun: CleanupSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-07wintun: Refactor network registry key name generationSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-07wintun: Revise interface creation waitSimon Rozman
DIF_INSTALLDEVICE returns almost immediately, while the device installation continues in the background. It might take a while, before all registry keys and values are populated. Previously, wireguard-go waited for HKLM\SYSTEM\CurrentControlSet\ Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}\<id> registry key only. Followed by a SetInterfaceName() method of Wintun struct which tried to access HKLM\SYSTEM\CurrentControlSet\Control\Network\ {4D36E972-E325-11CE-BFC1-08002BE10318}\<id>\Connection registry key might not be available yet. This commit loops until both registry keys are available before returning from CreateInterface() function. Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-07receive: squelch tear down errorJason A. Donenfeld
2019-03-07tun: linux: work out netpoll trickJason A. Donenfeld
2019-03-04wintun: Resolve some of golint warningsSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-04Elaborate the failing step when forwarding errors on returnSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-04Simplify reading NetCfgInstanceId from registrySimon Rozman
As querying non-existing registry value and reading non-existing registry string value both return ERROR_FILE_NOT_FOUND, we can use later only. Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-04Unify interface-specific network registry key openSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
2019-03-04tun: import mobile particularitiesJason A. Donenfeld
2019-03-04boundif: introduce API for socket bindingJason A. Donenfeld
2019-03-03global: begin modularizationJason A. Donenfeld
2019-03-01tun: windows: expose GUIDJason A. Donenfeld
2019-03-01tun: allow special methods in NativeTunJason A. Donenfeld
2019-02-27tun: linux: netpoll is broken for tun's epollJason A. Donenfeld
So this mostly reverts the switch to Sysconn for Linux. Issue: https://github.com/golang/go/issues/30426
2019-02-27tun: linux: netlink sock needs cleaning up but file will be gc'dJason A. Donenfeld
2019-02-27tun: use netpoll instead of rwcancelJason A. Donenfeld
The new sysconn function of Go 1.12 makes this possible: package main import "log" import "os" import "unsafe" import "time" import "syscall" import "sync" import "golang.org/x/sys/unix" func main() { fd, err := os.OpenFile("/dev/net/tun", os.O_RDWR, 0) if err != nil { log.Fatal(err) } var ifr [unix.IFNAMSIZ + 64]byte copy(ifr[:], []byte("cheese")) *(*uint16)(unsafe.Pointer(&ifr[unix.IFNAMSIZ])) = unix.IFF_TUN var errno syscall.Errno s, _ := fd.SyscallConn() s.Control(func(fd uintptr) { _, _, errno = unix.Syscall( unix.SYS_IOCTL, fd, uintptr(unix.TUNSETIFF), uintptr(unsafe.Pointer(&ifr[0])), ) }) if errno != 0 { log.Fatal(errno) } b := [4]byte{} wait := sync.WaitGroup{} wait.Add(1) go func() { _, err := fd.Read(b[:]) log.Print("Read errored: ", err) wait.Done() }() time.Sleep(time.Second) log.Print("Closing") err = fd.Close() if err != nil { log.Print("Close errored: " , err) } wait.Wait() log.Print("Exiting") }
2019-02-27tun: use sysconn instead of .Fd with Go 1.12Jason A. Donenfeld
2019-02-22Rearrange importsJason A. Donenfeld
2019-02-22device: send persistent keepalive when bringing up deviceJason A. Donenfeld
Reported-by: Marcelo Bello
2019-02-22wintun: Read/write packet size from/to exchange buffer directlySimon Rozman
Driver <-> user-space communication is local and using native endian. Signed-off-by: Simon Rozman <simon@rozman.si>
2019-02-22wintun: Make two-step slicing a one stepSimon Rozman
Stop relying to Go compiler optimizations and calculate the end offset directly. Signed-off-by: Simon Rozman <simon@rozman.si>
2019-02-20wintun: Write exchange buffer increased back to 1MiBSimon Rozman
Signed-off-by: Simon Rozman <simon@rozman.si>
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