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Diffstat (limited to 'tun/tun_linux.go')
-rw-r--r--tun/tun_linux.go10
1 files changed, 5 insertions, 5 deletions
diff --git a/tun/tun_linux.go b/tun/tun_linux.go
index fbb8585..90cb2df 100644
--- a/tun/tun_linux.go
+++ b/tun/tun_linux.go
@@ -99,7 +99,7 @@ func (tun *NativeTun) routineHackListener() {
}
func createNetlinkSocket() (int, error) {
- sock, err := unix.Socket(unix.AF_NETLINK, unix.SOCK_RAW, unix.NETLINK_ROUTE)
+ sock, err := unix.Socket(unix.AF_NETLINK, unix.SOCK_RAW|unix.SOCK_CLOEXEC, unix.NETLINK_ROUTE)
if err != nil {
return -1, err
}
@@ -194,7 +194,7 @@ func (tun *NativeTun) routineNetlinkListener() {
func getIFIndex(name string) (int32, error) {
fd, err := unix.Socket(
unix.AF_INET,
- unix.SOCK_DGRAM,
+ unix.SOCK_DGRAM|unix.SOCK_CLOEXEC,
0,
)
if err != nil {
@@ -228,7 +228,7 @@ func (tun *NativeTun) setMTU(n int) error {
// open datagram socket
fd, err := unix.Socket(
unix.AF_INET,
- unix.SOCK_DGRAM,
+ unix.SOCK_DGRAM|unix.SOCK_CLOEXEC,
0,
)
if err != nil {
@@ -264,7 +264,7 @@ func (tun *NativeTun) MTU() (int, error) {
// open datagram socket
fd, err := unix.Socket(
unix.AF_INET,
- unix.SOCK_DGRAM,
+ unix.SOCK_DGRAM|unix.SOCK_CLOEXEC,
0,
)
if err != nil {
@@ -400,7 +400,7 @@ func (tun *NativeTun) Close() error {
}
func CreateTUN(name string, mtu int) (Device, error) {
- nfd, err := unix.Open(cloneDevicePath, os.O_RDWR, 0)
+ nfd, err := unix.Open(cloneDevicePath, unix.O_RDWR|unix.O_CLOEXEC, 0)
if err != nil {
if os.IsNotExist(err) {
return nil, fmt.Errorf("CreateTUN(%q) failed; %s does not exist", name, cloneDevicePath)