sane-ip-check: set exit code based on if we get IP or not

pkgs/sane-scripts/src/sane-ip-check

@@ -1,3 +1,4 @@
 #!/usr/bin/env bash
-curl https://ipinfo.io/ip
-echo
+ip=$(curl --silent https://ipinfo.io/ip)
+echo "$ip" | grep -P " *^\d+\.\d+\.\d+\.\d+ *$"
+exit $?

pkgs/sane-scripts/src/sane-ip-check-router-wan

@@ -3,13 +3,16 @@
 # requires creds
 passwd=$(sudo cat /run/secrets/router_passwd)
 cookie=$(mktemp)
+curlflags="curl --silent --insecure --cookie-jar $cookie --connect-timeout 5"
 
 # authenticate
-curl -s --insecure --cookie-jar $cookie \
+curl $curlflags \
   --data "username=admin&password=$passwd" \
   https://192.168.0.1
 # query the WAN IP
-curl -s --insecure --cookie $cookie \
+ip=$(curl $curlflags \
   -H "X-Requested-With: XMLHttpRequest" \
   "https://192.168.0.1/cgi/cgi_action?Action=GetConnectionStatus" \
-  | jq -r .wan_status.ipaddr
+  | jq -r .wan_status.ipaddr)
+echo "$ip" | grep -P " *^\d+\.\d+\.\d+\.\d+ *$"
+exit $?