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path: root/tun/tun_darwin.go (follow)
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* tun: use SockaddrCtl from golang.org/x/sys/unix on macOSTobias Klauser2020-10-271-29/+6
| | | | | | | | | Direct syscalls using unix.Syscall(unix.SYS_*, ...) are discouraged on macOS and might not be supported in future versions. Switch to use unix.Connect with unix.SockaddrCtl instead. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tun: use Ioctl{Get,Set}IfreqMTU from golang.org/x/sys/unix on macOSTobias Klauser2020-10-271-35/+10
| | | | | | | | | Direct syscalls using unix.Syscall(unix.SYS_*, ...) are discouraged on macOS and might not be supported in future versions. Switch to use unix.Ioctl{Get,Set}IfreqMTU to get and set an interface's MTU. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tun: use IoctlCtlInfo from golang.org/x/sys/unix on macOSTobias Klauser2020-10-271-20/+6
| | | | | | | | | Direct syscalls using unix.Syscall(unix.SYS_*, ...) are discouraged on macOS and might not be supported in future versions. Switch to use unix.IoctlCtlInfo to get the kernel control info. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tun: use GetsockoptString in (*NativeTun).Name on macOSTobias Klauser2020-10-271-14/+6
| | | | | | | | | Direct syscalls using unix.Syscall(unix.SYS_*, ...) are discouraged on macOS and might not be supported in future versions. Instead, use the existing unix.GetsockoptString wrapper to get the interface name. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* global: update header comments and modulesJason A. Donenfeld2020-05-021-1/+1
| | | | Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
* tun: darwin: ignore ENOMEM errorsJason A. Donenfeld2020-01-151-1/+18
| | | | Coauthored-by: Andrej Mihajlov <and@mullvad.net>
* tun: darwin: do not attempt to close tun.event twiceJason A. Donenfeld2019-08-021-4/+1
| | | | | Previously it was possible for this to race. It turns out we really don't need to set anything to -1 anyway.
* tun: remove TUN prefix from types to reduce stutter elsewhereMatt Layher2019-06-141-8/+8
| | | | Signed-off-by: Matt Layher <mdlayher@gmail.com>
* global: fixup TODO comment spacingJason A. Donenfeld2019-06-061-1/+1
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* global: regroup all importsJason A. Donenfeld2019-05-141-2/+3
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* tun: darwin: write routeSocket variable in helperJason A. Donenfeld2019-04-191-2/+4
| | | | Otherwise the race detector "complains".
* receive: implement flush semanticsJason A. Donenfeld2019-03-211-0/+5
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* tun: import mobile particularitiesJason A. Donenfeld2019-03-041-5/+7
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* tun: allow special methods in NativeTunJason A. Donenfeld2019-03-011-12/+12
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* tun: use netpoll instead of rwcancelJason A. Donenfeld2019-02-271-32/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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") }
* tun: use sysconn instead of .Fd with Go 1.12Jason A. Donenfeld2019-02-271-13/+14
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* Change package pathJason A. Donenfeld2019-02-181-1/+1
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* Update copyrightJason A. Donenfeld2019-02-051-2/+2
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* Use darwin tun on iosJason A. Donenfeld2018-11-061-2/+0
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* tun: only call .Fd() onceJason A. Donenfeld2018-10-171-14/+16
| | | | | Doing so tends to make the tunnel blocking, so we only retrieve it once before we call SetNonblock, and then cache the result.
* global: fix up copyright headersJason A. Donenfeld2018-09-161-2/+1
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* Do not build tun device on iosJason A. Donenfeld2018-06-091-0/+2
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* Catch EINTRJason A. Donenfeld2018-05-241-2/+7
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* Adopt GOPATHJason A. Donenfeld2018-05-231-1/+1
| | | | | GOPATH is annoying, but the Go community pushing me to adopt it is even more annoying.
* Move tun to subpackageJason A. Donenfeld2018-05-231-0/+382
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