49 lines
1.0 KiB
Go
49 lines
1.0 KiB
Go
//go:build windows && overlord_webrtc
|
|
|
|
package webrtcpub
|
|
|
|
import (
|
|
"log"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"sync"
|
|
"syscall"
|
|
|
|
"golang.org/x/sys/windows"
|
|
)
|
|
|
|
const createNoWindowFlag = 0x08000000
|
|
|
|
var firewallOnce sync.Once
|
|
|
|
func ensureFirewallRule() {
|
|
firewallOnce.Do(func() {
|
|
if !windows.GetCurrentProcessToken().IsElevated() {
|
|
return
|
|
}
|
|
exe, err := os.Executable()
|
|
if err != nil {
|
|
return
|
|
}
|
|
if resolved, err := filepath.EvalSymlinks(exe); err == nil {
|
|
exe = resolved
|
|
}
|
|
|
|
ruleName := filepath.Base(exe)
|
|
hidden := &syscall.SysProcAttr{HideWindow: true, CreationFlags: createNoWindowFlag}
|
|
|
|
del := exec.Command("netsh", "advfirewall", "firewall", "delete", "rule",
|
|
"name="+ruleName, "program="+exe)
|
|
del.SysProcAttr = hidden
|
|
_ = del.Run()
|
|
|
|
add := exec.Command("netsh", "advfirewall", "firewall", "add", "rule",
|
|
"name="+ruleName, "dir=in", "action=allow", "program="+exe, "enable=yes")
|
|
add.SysProcAttr = hidden
|
|
if err := add.Run(); err != nil {
|
|
log.Printf("webrtcpub: firewall rule add failed: %v", err)
|
|
}
|
|
})
|
|
}
|