fix: sudo does not exist

cmd/ua3f.go

@@ -220,7 +220,7 @@ func CopyPileline(dst io.Writer, src io.Reader) {
 				buf[start+i] = payloadByte[i]
 			}
 		} else {
-			logrus.Debug(fmt.Sprintf("[%s] Not found User-Agent", string(parser.Host())))
+			logrus.Debug(fmt.Sprintf("[%s] Not found User-Agent, Add LRU Relay Cache", string(parser.Host())))
 			dst.Write(buf[0:nr])
 			io.Copy(dst, src)
 			cache.Add(string(dst.(*net.TCPConn).RemoteAddr().String()), string(dst.(*net.TCPConn).RemoteAddr().String()))

install.sh

@@ -21,7 +21,11 @@ ua3f_tar=ua3f-$version-$cpucore.tar.gz
 
 if [ -f "ua3f" ]; then
     rm "ua3f"
-    killall ua3f >/dev/null 2>&1
+    killall ua3f &> /dev/null
+fi
+
+if ! command -v sudo &> /dev/null then
+    opkg update &> /dev/null && opkg install sudo &> /dev/null
 fi
 
 chmod ugo+w /var/log

ua3f.service

@@ -4,12 +4,12 @@ START=99
 
 start() {
     echo "ua3f is starting"
-    if id -u shellclash >/dev/null 2>&1; then
-        sudo -u shellclash /root/ua3f >/dev/null 2>&1 &
-    elif id -u nobody >/dev/null 2>&1; then
-        sudo -u nobody /root/ua3f >/dev/null 2>&1 &
+    if id -u shellclash &> /dev/null; then
+        sudo -u shellclash /root/ua3f &> /dev/null &
+    elif id -u nobody &> /dev/null; then
+        sudo -u nobody /root/ua3f &> /dev/null &
     else
-        /root/ua3f >/dev/null 2>&1 &
+        /root/ua3f &> /dev/null &
     fi
 }