Add keenetic-public-dns script

README.md

@@ -21,5 +21,6 @@ will create the symbolic link for each script in the `links_path` directory.
 
 # Index
 
-- [local-dns](scripts/local-dns) enables Keenetic DNS for entire LAN.
+- [keenetic-public-dns](scripts/keenetic-public-dns) configures public DNS servers.
+- [keenetic-local-dns](scripts/keenetic-local-dns) enables Keenetic DNS for entire LAN.
 

scripts/keenetic-public-dns

@@ -0,0 +1,46 @@
+#!/usr/bin/env expect
+
+set timeout 2
+
+set USER $env(KEENETIC_USER)
+set PASS $env(KEENETIC_PASS)
+set HOST $env(KEENETIC_HOST)
+
+set KEENETIC_PROMPT "(config)> "
+
+set DNS_SERVERS {
+	1.1.1.1
+	8.8.8.8
+	8.8.4.4
+}
+
+spawn ssh $USER@$HOST;
+
+expect {
+  "Are you sure you want to continue connecting (yes/no*)?*" {
+    send "yes\r"
+  }
+}
+
+expect "password: "
+send "$PASS\r"
+
+foreach dns $DNS_SERVERS {
+	expect $KEENETIC_PROMPT
+	send "no ip name-server ${dns}\r"
+
+	expect $KEENETIC_PROMPT
+	send "ip name-server ${dns}\r"
+}
+
+expect $KEENETIC_PROMPT
+send "show ip name-server\r"
+
+expect $KEENETIC_PROMPT
+send "system configuration save\r"
+
+expect $KEENETIC_PROMPT
+send "exit\r"
+
+expect eof
+