load URLs from a config file

blacklist.sh

@@ -4,6 +4,22 @@
 # Pawel Krawczyk 2014-2015
 # documentation https://github.com/kravietz/blacklist-scripts
 
+# try to load config file
+# it should contain one blacklist URL per line
+
+config_file="/etc/ip-blacklist.conf"
+if [ -f "${config_file}" ]; then
+    exec <"${config_file}"
+    read line
+    while [ "$line" ]; do
+        if ! echo "$line" | egrep -q '(^#|^$)'; then
+            urls="${urls} $line"
+        fi
+        read line
+    done
+else
+    # if no config file is available, load default set of blacklists
+
     # Emerging Threats lists offensive IPs such as botnet command servers
     urls="http://rules.emergingthreats.net/fwrules/emerging-Block-IPs.txt"
 
@@ -18,6 +34,8 @@ urls="$urls http://www.badips.com/get/list/ssh/2"
 
     # iblocklist.com is also supported
     # urls="$urls http://list.iblocklist.com/?list=srzondksmjuwsvmgdbhi&fileformat=p2p&archiveformat=gz&username=USERNAMEx$&pin=PIN"
+fi
+
 
 # This is how it will look like on the server