View difference between Paste ID: kTThBV46 and LLysnYzG

 #!/bin/sh
-# version: 1.1.0, 26-mar-2021, by eibgrad
+#DEBUG= # uncomment/comment to enable/disable debug mode
-# href: https://tinyurl.com/2jenwbe5
+
 #          name: merlin-ovpn-sync-routes.sh
 #       version: 2.0.0, 22-jul-2022, by eibgrad
-SCRIPT="$SCRIPTS_DIR/openvpn-event"
+#       purpose: synchronize openvpn client and server routing tables
 #       type(s): openvpn-event
 #          href: https://tinyurl.com/2jenwbe5
 #  installation:
 #    1. enable jffs custom scripts and configs (administration->system)
-cat << "EOF" > $SCRIPT
+#    2. ssh to router and copy/paste the following command:
 #         curl -kLs bit.ly/merlin-installer|tr -d '\r'|sh -s kTThBV46
-set -x # uncomment/comment to enable/disable debug mode
+#    3. reboot
 
 SCRIPTS_DIR='/jffs/scripts'
-LOCK="/tmp/$(basename $0).lock"
+SCRIPT1="$SCRIPTS_DIR/merlin-ovpn-sync-routes.sh"
-acquire_lock() { while ! mkdir $LOCK >/dev/null 2>&1; do sleep 2; done; }
+SCRIPT2="$SCRIPTS_DIR/openvpn-event"
-release_lock() { rmdir $LOCK >/dev/null 2>&1; }
+
 mkdir -p $SCRIPTS_DIR
 
 # ---------------------- begin merlin-ovpn-sync-routes ----------------------- #
 cat << 'EOF' > $SCRIPT1
 #!/bin/sh
 #set -x # comment/uncomment to disable/enable debug mode
 {
-# only relevant for routed (tun) openvpn server route-up event
+
 LOCK="/tmp/var/lock/$(basename $0).lock"
 acquire_lock() { while ! mkdir $LOCK &>/dev/null; do sleep 2; done; }
 release_lock() { rmdir $LOCK &>/dev/null; }
 
 # exit (any concurrent instance(s) may now run)
 exit_0() { release_lock; exit 0; }
 
-    ip route | grep $dev | \
+
-        while read route; do
+
-            ip route add $route table ovpnc${i} 2>/dev/null
+
-        done
+# only relevant for routed (tun) openvpn server up event
 [[ "${dev:0:4}" == 'tun2' && "$script_type" == 'up' ]] || exit_0
 
 # ensure every openvpn client's routing policy table ...
 for i in 1 2 3 4 5; do
     [ "$(ip route show table ovpnc${i})" ] || continue
 
-chmod +x $SCRIPT
+
     while read route; do
         ip route add $route table ovpnc${i} 2>/dev/null && routing_changed=
-if [ -f $SCRIPT ]; then
+    done << EOR
-    echo "error: $SCRIPT already exists; requires manual installation"
+    $(ip route | grep $dev)
 EOR
 done
-    echo 'Done.'
+
-fi
+# force routing system to recognize any changes
 [ ${routing_changed+x} ] && ip route flush cache
 
 exit_0
 } 2>&1 | logger -t $(basename $0 .sh)[$$]
 EOF
 [ ${DEBUG+x} ] && sed -ri '2 s/^#(set -x)/\1/' $SCRIPT1
 chmod +x $SCRIPT1
 echo "installed: $SCRIPT1"
 # ----------------------- end merlin-ovpn-sync-routes ------------------------ #
 
 # --------------------------- begin openvpn-event ---------------------------- #
 create_script() {
 cat << 'EOF' > $SCRIPT2
 #!/bin/sh
 #set -x # comment/uncomment to disable/enable debug mode
 {
 $SCRIPT1
 } 2>&1 | logger -t $(basename $0)[$$]
 EOF
 [ ${DEBUG+x} ] && sed -ri '2 s/^#(set -x)/\1/' $SCRIPT2
 sed "s:\$SCRIPT1:$SCRIPT1:g" -i $SCRIPT2
 chmod +x $SCRIPT2
 }
 
 if [ -f $SCRIPT2 ]; then
     echo "error: $SCRIPT2 already exists; requires manual installation"
 else
     create_script
     echo "installed: $SCRIPT2"
 fi
 # ---------------------------- end openvpn-event ----------------------------- #