SagerNet/sing-tun
1
0
Fork 0
mirror of https://github.com/SagerNet/sing-tun.git synced 2025-04-03 20:07:40 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

Split set route to Start()

Browse source
This commit is contained in:
世界 2024-11-06 17:09:04 +08:00
parent 9bcc1ec384
commit 24206c3edd
No known key found for this signature in database
GPG key ID: CD109927C34A63C4
5 changed files with 114 additions and 47 deletions
Download patch file Download diff file Expand all files Collapse all files

17
tun_linux.go
View file

@ -1,6 +1,7 @@
package tun
import (
"errors"
"math/rand"
"net"
"net/netip"
@ -222,7 +223,7 @@ func open(name string, vnetHdr bool) (int, error) {
func (t *NativeTun) configure(tunLink netlink.Link) error {
err := netlink.LinkSetMTU(tunLink, int(t.options.MTU))
if err == unix.EPERM {
if errors.Is(err, unix.EPERM) {
// unprivileged
return nil
} else if err != nil {
@ -288,11 +289,23 @@ func (t *NativeTun) configure(tunLink netlink.Link) error {
t.txChecksumOffload = true
}
err = netlink.LinkSetUp(tunLink)
return nil
}
func (t *NativeTun) Start() error {
tunLink, err := netlink.LinkByName(t.options.Name)
if err != nil {
return err
}
err = netlink.LinkSetUp(tunLink)
if errors.Is(err, unix.EPERM) {
// unprivileged
return nil
} else if err != nil {
return err
}
if t.options.IPRoute2TableIndex == 0 {
for {
t.options.IPRoute2TableIndex = int(rand.Uint32())