From d6a31dc4382acbc21c383bf3de2ad6a429337822 Mon Sep 17 00:00:00 2001
From: Frank Brehm <frank.brehm@pixelpark.com>
Date: Wed, 9 Dec 2020 09:19:42 +0100
Subject: [PATCH] Extending bin/start-openfortivpn by checking the gateway IP
 address

---
 bin/start-openfortivpn | 24 ++++++++++++++++++++++++
 lib/functions.rc       |  2 +-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/bin/start-openfortivpn b/bin/start-openfortivpn
index 8ead94c..76baf4d 100755
--- a/bin/start-openfortivpn
+++ b/bin/start-openfortivpn
@@ -10,6 +10,7 @@ BASE_DIR=$( dirname "${BIN_DIR}" )
 LIB_DIR="${BASE_DIR}/lib"
 CONF_DIR="${BASE_DIR}/etc"
 DNS_DIR="${BASE_DIR}/dns"
+OFVPN_CONFIG="/etc/openfortivpn/config"
 
 if [[ -f "${LIB_DIR}/functions.rc" ]] ; then
     . "${LIB_DIR}/functions.rc"
@@ -97,6 +98,7 @@ check_preferences() {
     local rfile=
     local file_ok="y"
     local sample_file=
+    local gateway_ip=
 
     debug "Checking for openfortivpn ..."
     if type -p openfortivpn >/dev/null ; then
@@ -106,6 +108,28 @@ check_preferences() {
         error "Did not found openfortivpn. Maybe not installed?"
     fi
 
+    if [[ ! -f "${OFVPN_CONFIG}" ]] ; then
+        error "Config file '${RED}${OFVPN_CONFIG}${NORMAL}' not found."
+        all_ok="n"
+    else
+        gateway_ip=$( cat "${OFVPN_CONFIG}" | \
+                grep -i '^[ 	]*host[ 	]*=' | \
+                awk -F= '{print $2}' | \
+                sed -e 's/^[ 	]*//' -e 's/[ 	]*$//' )
+        if [[ -z "${gateway_ip}" ]] ; then
+            error "Did not found Gateway IP address in '${RED}${OFVPN_CONFIG}${NORMAL}'."
+            all_ok="n"
+        else
+            echo "Checking Gateway IP '${GREEN}${gateway_ip}${NORMAL}' ..."
+            if ping -q -c 2 -w 2 "${gateway_ip}" ; then
+                debug "Gateway IP '${CYAN}${gateway_ip}${NORMAL}' is okay."
+            else
+                error "Could not ping '${RED}${gateway_ip}${NORMAL}'."
+                all_ok="n"
+            fi
+        fi
+    fi
+
     for rfile in "${RESOLV_CONF_DPX}" "${RESOLV_CONF_NON_DPX}" ; do
         debug "Checking '${CYAN}${rfile}${NORMAL}' ..."
         file_ok="y"
diff --git a/lib/functions.rc b/lib/functions.rc
index c24d318..536c692 100644
--- a/lib/functions.rc
+++ b/lib/functions.rc
@@ -10,7 +10,7 @@ BLUE=""
 CYAN=""
 NORMAL=""
 
-VERSION="0.3.7"
+VERSION="0.3.8"
 
 STD_SHORT_OPTIONS="sdvhV"
 STD_LONG_OPTIONS="simulate,debug,verbose,nocolor,help,version"
-- 
2.39.5