From 1d5f250032e146085daed2c69a5768d7a217b3d2 Mon Sep 17 00:00:00 2001
From: Jerry <isjerryxiao@outlook.com>
Date: Sat, 2 Mar 2019 20:52:09 +0800
Subject: [PATCH] ss-nat: use ping to lookup dns A records

---
 src/ss-nat | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/src/ss-nat b/src/ss-nat
index 4b2183f4..8ba122e7 100755
--- a/src/ss-nat
+++ b/src/ss-nat
@@ -175,13 +175,7 @@ while getopts ":s:l:S:L:i:I:e:a:b:w:ouUfh" arg; do
             then
                 server=$OPTARG
             else
-                if command -v dig > /dev/null
-                then
-                    server=$(dig +short $OPTARG)
-                else
-                    loger 3 "Hostname detected for server but no dig present to resolve!"
-                    exit 1
-                fi
+                server=$(ping -4 -q -c 1 -s 0 -W 1 -w 1 $OPTARG| head -n 1 | sed -n 's/[^(]*(\([^)]*\)).*/\1/p')
             fi
 			;;
 		l)
@@ -192,13 +186,7 @@ while getopts ":s:l:S:L:i:I:e:a:b:w:ouUfh" arg; do
             then
                 SERVER=$OPTARG
             else
-                if command -v dig > /dev/null
-                then
-                    SERVER=$(dig +short $OPTARG)
-                else
-                    loger 3 "Hostname detected for UDP server but no dig present to resolve!"
-                    exit 1
-                fi
+                SERVER=$(ping -4 -q -c 1 -s 0 -W 1 -w 1 $OPTARG| head -n 1 | sed -n 's/[^(]*(\([^)]*\)).*/\1/p')
             fi
 			;;
 		L)