Initial commit

2018-09-25 03:33:03 +02:00
commit 0c5cc93d02
4 changed files with 552 additions and 0 deletions
--- a/ovpn-wipe.so36.net
+++ b/ovpn-wipe.so36.net
@@ -0,0 +1,136 @@
+#!/usr/bin/env bash
+
+VPN_Network="VPN-SO36-wipe"
+
+PID_FILE="/var/run/${VPN_Network}"
+
+
+# ----------
+# Base Function(s)
+# ----------
+
+clean_up() {
+
+	# - Terminate connection
+   # -
+	if ps -p "$_pid" > /dev/null 2>&1; then
+		sudo kill $_pid > /dev/null 2>&1
+	fi
+
+   # - Remove PID file
+   # -
+   sudo rm -f "$PID_FILE"
+
+   if $terminal ; then
+      echo -en "\033[1G"
+		if [[ "$1" -gt 0 ]]; then
+			blank_line
+			echo -e "   \033[41m Connection to \033[1m${VPN_Network}\033[m\033[41m was terminated! \033[m"
+		else
+			echononl "Terminate VPN connection to \033[32m\033[1m${VPN_Network}\033[m"
+			echo_done
+		fi
+      blank_line
+   fi
+
+   exit $1
+}
+
+echononl(){
+   if $terminal ; then
+      echo X\\c > /tmp/shprompt$$
+      if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
+         echo -e -n "   $*\\c" 1>&2
+      else
+         echo -e -n "   $*" 1>&2
+      fi
+      rm /tmp/shprompt$$
+   fi
+}
+
+
+echo_done() {
+   if $terminal ; then
+      echo -e "\033[75G[ \033[32mdone\033[m ]"
+   fi
+}
+echo_failed(){
+   if $terminal ; then
+      echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
+   fi
+}
+echo_wait(){
+   if $terminal ; then
+      echo -en "\033[75G[ \033[5m\033[1m..\033[m ]"
+   fi
+}
+
+
+blank_line() {
+   if $terminal ; then
+      echo ""
+   fi
+}
+
+
+# ----------
+# - Jobhandling 
+# ----------
+
+# - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM
+# -
+trap clean_up SIGHUP SIGINT SIGTERM
+
+
+# ----------
+# - Some checks ..
+# ----------
+
+# - Running in a terminal?
+# -
+if [[ -t 1 ]] ; then
+   terminal=true
+else
+   terminal=false
+fi
+
+
+# ----------
+# - Main part of script
+# ----------
+
+blank_line
+echononl "Establish VPN connection to \033[32m\033[1m${VPN_Network}\033[m"
+echo_wait
+
+sudo /usr/sbin/openvpn \
+   --config /etc/openvpn/client-confs/VPN-SO36-wipe/client.conf \
+   --writepid /var/run/openvpn-wipe-so36.pid \
+   --log /var/log/openvpn/wipe-so36.log \
+   --status /var/log/openvpn/status-wipe-so36.log > /dev/null 2>&1 &
+
+_pid="$!"
+declare -i time=0
+
+if  ps -p "$_pid" > /dev/null 2>&1; then
+	while ! ip a | grep -q -E "tun[0-9]{1,2}" 2> /dev/null && [[ $time -lt 60 ]] ; do
+		sleep 1
+		((time++))
+	done
+	if [[ $time -ge 60 ]]; then
+		echo_failed
+		clean_up 1
+	else
+   	echo_done
+	fi
+else
+   echo_failed
+   clean_up 1
+fi
+
+#while ps -p "$_pid" > /dev/null 2>&1 ; do
+while ip a | grep -q -E "tun[0-9]{1,2}" 2> /dev/null ; do
+   sleep 3
+done
+
+clean_up 0