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| author |   Brad Fitzpatrick <bradfitz@tailscale.com> | 2022-07-01 21:28:52 -0700 |
|---|---|---|
| committer |   Jason A. Donenfeld <Jason@zx2c4.com> | 2022-07-04 01:42:12 +0200 |
| commit | c31a7b1ab47807f01613a571cc480f79d5fb4181 (patch) | |
| tree | f2b8488763ea41386c2d1f61eefc47e667ca7258 /tun/tun_openbsd.go | |
| parent | tun: use ByteSliceToString from golang.org/x/sys/unix (diff) | |
| download | wireguard-go-c31a7b1ab47807f01613a571cc480f79d5fb4181.tar.xz wireguard-go-c31a7b1ab47807f01613a571cc480f79d5fb4181.zip | |
conn, device, tun: set CLOEXEC on fds
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'tun/tun_openbsd.go')
| -rw-r--r-- | tun/tun_openbsd.go | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/tun/tun_openbsd.go b/tun/tun_openbsd.go index ff845bc..b7a33b5 100644 --- a/tun/tun_openbsd.go +++ b/tun/tun_openbsd.go @@ -114,10 +114,10 @@ func CreateTUN(name string, mtu int) (Device, error) { var err error if ifIndex != -1 { - tunfile, err = os.OpenFile(fmt.Sprintf("/dev/tun%d", ifIndex), unix.O_RDWR, 0) + tunfile, err = os.OpenFile(fmt.Sprintf("/dev/tun%d", ifIndex), unix.O_RDWR|unix.O_CLOEXEC, 0) } else { for ifIndex = 0; ifIndex < 256; ifIndex++ { - tunfile, err = os.OpenFile(fmt.Sprintf("/dev/tun%d", ifIndex), unix.O_RDWR, 0) + tunfile, err = os.OpenFile(fmt.Sprintf("/dev/tun%d", ifIndex), unix.O_RDWR|unix.O_CLOEXEC, 0) if err == nil || !errors.Is(err, syscall.EBUSY) { break } @@ -165,7 +165,7 @@ func CreateTUNFromFile(file *os.File, mtu int) (Device, error) { return nil, err } - tun.routeSocket, err = unix.Socket(unix.AF_ROUTE, unix.SOCK_RAW, unix.AF_UNSPEC) + tun.routeSocket, err = unix.Socket(unix.AF_ROUTE, unix.SOCK_RAW|unix.SOCK_CLOEXEC, unix.AF_UNSPEC) if err != nil { tun.tunFile.Close() return nil, err @@ -270,7 +270,7 @@ func (tun *NativeTun) setMTU(n int) error { fd, err := unix.Socket( unix.AF_INET, - unix.SOCK_DGRAM, + unix.SOCK_DGRAM|unix.SOCK_CLOEXEC, 0, ) if err != nil { @@ -304,7 +304,7 @@ func (tun *NativeTun) MTU() (int, error) { fd, err := unix.Socket( unix.AF_INET, - unix.SOCK_DGRAM, + unix.SOCK_DGRAM|unix.SOCK_CLOEXEC, 0, ) if err != nil { |