New sequence for installing openvpn with setup of custom scripts

seqs/openvpn/up.sh

@@ -0,0 +1,38 @@
+#! /bin/bash
+DEV=$1
+
+if [ ! -d /tmp/openvpn ]; then
+  mkdir /tmp/openvpn
+fi
+CACHE_NAMESERVER="/tmp/$DEV.nameserver"
+echo -n "" > $CACHE_NAMESERVER
+
+TEMP_LOG="/tmp/openvpn_dns.log"
+echo "DNS openvpn" > "$TEMP_LOG"
+echo -e "${foreign_option_1}\n${foreign_option_2}\n$foreign_option_3" >> "$TEMP_LOG"
+
+rm -rf /tmp/resolv.conf
+touch /tmp/resolv.conf
+dns=dns
+for opt in ${!foreign_option_*}
+do
+  eval "echo \$$opt" >> "$TEMP_LOG"
+  eval "dns=\${$opt#dhcp-option DNS }"
+  if [[ $dns =~ [0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3} ]]; then
+    if [ ! -f /etc/resolv.conf.default ]; then
+      cp /etc/resolv.conf /etc/resolv.conf.default
+    fi
+
+    # don't add "local" dns server
+    #cat /etc/resolv.conf | grep -v ^# | grep -v ^nameserver > /tmp/resolv.conf
+
+    echo "nameserver $dns" >> /tmp/resolv.conf
+    echo $dns >> $CACHE_NAMESERVER
+    #cat /etc/resolv.conf | grep -v ^# | grep -v "nameserver $dns" | grep nameserver >> /tmp/resolv.conf
+
+  fi
+done
+
+if [ -e "/tmp/resolv.conf" ]; then
+  mv /tmp/resolv.conf /etc/resolv.conf
+fi