Variables must be lowercase

e-router

@@ -1,8 +1,8 @@
 #!/bin/bash -x
 ((EUID == 0 )) || { echo "Need root"; exit 1; }
 set -euo pipefail
-CONFD=/etc/e-router
-source $CONFD/config
+confd=/etc/e-router
+source $confd/config
 
 set_defaults() {
     /usr/lib/systemd/scripts/iptables-flush
@@ -79,7 +79,7 @@ setup_whitenets() {
     while read -r net ; do
         [[ "$net" =~ ^[0-9]{1,}.[0-9]{1,}.[0-9]{1,}.[0-9]{1,}/[0-9]{1,}$ ]] || continue
         ipset -! add  $whiteset $net timeout 0
-    done < $CONFD/WHITE.nets
+    done < $confd/WHITE.nets
 }
 
 setup_badips() {
@@ -99,11 +99,11 @@ setup_white() {
     while read -r port ; do
         [[ "$port" =~ ^[0-9]{1,}$ ]] || continue
         iptables -A FW-FILTERED -p udp -m conntrack --ctstate NEW --ctproto UDP --dport $port -j ACCEPT
-    done < $CONFD/WHITE.udp
+    done < $confd/WHITE.udp
     while read -r port ; do
         [[ "$port" =~ ^[0-9]{1,}$ ]] || continue
         iptables -A FW-FILTERED -p tcp -m conntrack --ctstate NEW --ctproto TCP --dport $port -j ACCEPT
-    done < $CONFD/WHITE.tcp
+    done < $confd/WHITE.tcp
     iptables -A INPUT -i ${wan} -p udp -m set --match-set $whiteset src -m conntrack --ctstate NEW --ctproto UDP -j FW-FILTERED
     iptables -A INPUT -i ${wan} -p tcp -m set --match-set $whiteset src -m conntrack --ctstate NEW --ctproto TCP -j FW-FILTERED
     iptables -A INPUT -i ${wan} -p icmp --icmp-type 8 -m set --match-set $whiteset src -m conntrack --ctstate NEW --ctproto ICMP -j ACCEPT
@@ -114,11 +114,11 @@ setup_open() {
     while read -r port ; do
         [[ "$port" =~ ^[0-9]{1,}$ ]] || continue
         iptables -A FW-OPEN -p udp -m conntrack --ctstate NEW --ctproto UDP --dport $port -j ACCEPT
-    done < $CONFD/ACCEPT.udp
+    done < $confd/ACCEPT.udp
     while read -r port ; do
         [[ "$port" =~ ^[0-9]{1,}$ ]] || continue
         iptables -A FW-OPEN -p tcp -m conntrack --ctstate NEW --ctproto TCP --dport $port -j ACCEPT
-    done < $CONFD/ACCEPT.tcp
+    done < $confd/ACCEPT.tcp
     iptables -A INPUT -i ${wan} -p udp -m conntrack --ctstate NEW --ctproto UDP -j FW-OPEN
     iptables -A INPUT -i ${wan} -p tcp -m conntrack --ctstate NEW --ctproto TCP -j FW-OPEN
 }