refactor: 使用 netlink 获取默认网卡

This commit is contained in:
adlyq 2022-05-29 15:35:08 +08:00
parent 13e907bbd0
commit 7a8c98cd90
3 changed files with 16 additions and 13 deletions

2
go.mod
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@ -61,4 +61,4 @@ require (
replace golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224 => github.com/MetaCubeX/wintun-go v0.0.0-20220319102620-bbc5e6b2015e
replace github.com/vishvananda/netlink v1.2.0-beta.0.20220404152918-5e915e014938 => github.com/MetaCubeX/netlink v1.2.0-beta.0.20220428021510-cbf1fc89c622
replace github.com/vishvananda/netlink v1.2.0-beta.0.20220404152918-5e915e014938 => github.com/MetaCubeX/netlink v1.2.0-beta.0.20220529072258-d6853f887820

4
go.sum
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@ -10,8 +10,8 @@ git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGy
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/Dreamacro/go-shadowsocks2 v0.1.8 h1:Ixejp5JscEc866gAvm/l6TFd7BOBvDviKgwb1quWw3g=
github.com/Dreamacro/go-shadowsocks2 v0.1.8/go.mod h1:51y4Q6tJoCE7e8TmYXcQRqfoxPfE9Cvn79V6pB6Df7Y=
github.com/MetaCubeX/netlink v1.2.0-beta.0.20220428021510-cbf1fc89c622 h1:Rs71V26e5N/5EEK2p2o2iG763sAjD4lit4ob061Tf9E=
github.com/MetaCubeX/netlink v1.2.0-beta.0.20220428021510-cbf1fc89c622/go.mod h1:twkDnbuQxJYemMlGd4JFIcuhgX83tXhKS2B/PRMpOho=
github.com/MetaCubeX/netlink v1.2.0-beta.0.20220529072258-d6853f887820 h1:fGKWZ25VApYnuPZoNeqdH/nZtHa2XMajwH6Yj/OgoVc=
github.com/MetaCubeX/netlink v1.2.0-beta.0.20220529072258-d6853f887820/go.mod h1:twkDnbuQxJYemMlGd4JFIcuhgX83tXhKS2B/PRMpOho=
github.com/MetaCubeX/wintun-go v0.0.0-20220319102620-bbc5e6b2015e h1:GRfT5Lf8HP7RNczKIwTYLoCh1PPuIs/sY9hj+W+3deg=
github.com/MetaCubeX/wintun-go v0.0.0-20220319102620-bbc5e6b2015e/go.mod h1:ARUuShAtcziEJ/vnZ2hgoP+zc0J7Ukcca2S/NPDoQCc=
github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=

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@ -2,27 +2,30 @@ package commons
import (
"fmt"
"github.com/Dreamacro/clash/common/cmd"
"github.com/Dreamacro/clash/listener/tun/device"
"github.com/Dreamacro/clash/log"
"github.com/vishvananda/netlink"
"net"
"net/netip"
"strings"
)
func GetAutoDetectInterface() (ifn string, err error) {
cmdRes, err := cmd.ExecCmd("ip route get 1.1.1.1 uid 4294967295")
sps := strings.Split(cmdRes, " ")
if len(sps) > 4 {
ifn = sps[4]
routes, err := netlink.RouteGetWithOptions(
net.ParseIP("1.1.1.1"),
&netlink.RouteGetOptions{
Uid: &netlink.UID{Uid: 4294967295},
})
if err != nil {
return "", err
}
if ifn == "" {
err = fmt.Errorf("interface not found")
for _, route := range routes {
if lk, err := netlink.LinkByIndex(route.LinkIndex); err == nil {
return lk.Attrs().Name, nil
}
}
return
return "", fmt.Errorf("interface not found")
}
func ConfigInterfaceAddress(dev device.Device, addr netip.Prefix, forceMTU int, autoRoute bool) error {