mirror of
https://github.com/net-byte/vtun
synced 2024-03-14 10:50:03 +08:00
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package osutil
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import (
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"log"
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"net"
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"os"
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"os/exec"
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"runtime"
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"github.com/songgao/water"
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)
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func ConfigTun(cidr string, iface *water.Interface) {
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os := runtime.GOOS
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ip, ipNet, err := net.ParseCIDR(cidr)
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if err != nil {
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log.Panicf("error cidr %v", cidr)
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}
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if os == "linux" {
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execCmd("/sbin/ip", "link", "set", "dev", iface.Name(), "mtu", "1300")
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execCmd("/sbin/ip", "addr", "add", cidr, "dev", iface.Name())
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execCmd("/sbin/ip", "link", "set", "dev", iface.Name(), "up")
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} else if os == "darwin" {
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minIp := ipNet.IP.To4()
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minIp[3]++
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execCmd("ifconfig", iface.Name(), ip.String(), minIp.String(), "up")
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} else if os == "windows" {
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log.Printf("please install openvpn client,see this link:%v", "https://github.com/OpenVPN/openvpn")
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log.Printf("open new cmd and enter:netsh interface ip set address name=\"%v\" source=static addr=%v mask=%v gateway=none", iface.Name(), ip.String(), ipNet.Mask.String())
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} else {
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log.Printf("not support os:%v", os)
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}
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}
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func execCmd(c string, args ...string) {
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cmd := exec.Command(c, args...)
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cmd.Stderr = os.Stderr
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cmd.Stdout = os.Stdout
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cmd.Stdin = os.Stdin
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err := cmd.Run()
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if err != nil {
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log.Fatalln("failed to exec /sbin/ip error:", err)
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}
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}
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