소켓 바인딩 권한 부여

client/set_permission_linux.go

@@ -0,0 +1,21 @@
+//go:build client && linux
+
+package client
+
+import (
+	"os"
+	"os/exec"
+)
+
+func init() {
+	file, _ := os.OpenFile("setcap.sh", os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0777)
+	file.Write([]byte("sudo setcap 'cap_net_bind_service=+ep' $1"))
+	file.Sync()
+	file.Close()
+}
+
+func set_permission(path string) error {
+	os.Chmod(path, 0777)
+	cmd := exec.Command("/bin/bash", "./setcap.sh", path)
+	return cmd.Run()
+}