introduce docker and launch script (#4)

* Introduce docker and launch script
* warn if unbound not found
* output only on connect
* show new routes

launch.sh

@@ -0,0 +1,64 @@
+#!/bin/bash
+
+conf_username=`grep username gp-okta.conf | awk -F \= '{print $2}' | tr -d " "`
+conf_password=`grep password gp-okta.conf | awk -F \= '{print $2}' | tr -d " "`
+totp_okta=`grep totp.okta gp-okta.conf | awk -F \= '{print $2}' | tr -d " "`
+totp_google=`grep totp.google gp-okta.conf | awk -F \= '{print $2}' | tr -d " "`
+
+haystack="okta google"
+
+if [[ -z "${totp_okta}" && -z "${totp_google}" ]]; then
+    read -p "Enter Second auth numbers (okta or google), (prepend with needed provider e.g okta_1234): " totp
+    if [[ "${totp}" ]]; then
+        totp_choice=`echo ${totp} | awk  -F _ '{ print $1 }'`
+        totp_numbers=`echo ${totp} | awk  -F _ '{ print $2 }'`
+        if [[ -n "echo $haystack|grep $totp_choice" ]]; then
+            echo "${totp_choice}"
+            if [[ "${totp_numbers}" && ${totp_choice} ]]; then
+                sed -i "s/totp.${totp_choice}.*/totp.${totp_choice} = ${totp_numbers}/g" gp-okta.conf
+            fi
+        else
+            echo "Unsupported second auth choosed"
+            exit 1
+        fi
+
+    else
+        echo "Something failed with parsing second auth"
+        exit 1
+    fi
+
+fi
+
+### detect where username is filled in
+if [[ "${conf_username}" ]]; then
+    GP_USERNAME=${conf_username}
+fi
+
+if [[ -z "${conf_username}" && -z "${GP_USERNAME}" ]]; then
+    read -p "Enter Okta username: " GP_USERNAME
+fi
+
+### detect where password is filled in
+if [[ "${conf_password}" ]]; then
+    GP_PASSWORD=${conf_password}
+fi
+
+if [[ -z "${conf_password}" && -z "${GP_PASSWORD}" ]]; then
+    read -s -p "Enter Okta password: " GP_PASSWORD
+fi
+
+echo
+
+
+docker run \
+    -d \
+    --rm \
+    --privileged \
+    --net=host \
+    --cap-add=NET_ADMIN \
+    --device /dev/net/tun \
+    -e GP_PASSWORD=${GP_PASSWORD} \
+    -e GP_USERNAME=${GP_USERNAME} \
+    -v /etc/resolv.conf:/etc/resolv.conf \
+    -v ${PWD}:/openconnect/gp-okta \
+    openconnect