README.md

@@ -16,7 +16,7 @@ To deploy:
 
 3. Create the user the scripts will run as:
 
-        useradd -s $(which nologin) _forumspam
+        useradd -s /sbin/nologin _forumspam
 
 4. Set up the firewall program
 

q2a_usercheck.sh

@@ -2,18 +2,14 @@
 
 logf='/var/log/nginx/access.log'
 cache='/tmp/forumspam_cache'
-
-case `uname` in
-    (*"BSD"*) tail_opts='-f';;
-    (*) tail_opts='-F';;
-esac
+tail_opts='-F' # set to `-f` on OpenBSD!
 
 test -f $cache || install -m 600 /dev/null $cache
 
 tail $tail_opts $logf | while read line ; do
 	case $line in (*"POST"*)
 		ip=`echo $line | awk '{print $1}'`
-		ip_regex=`echo $ip | sed 's/\./\\./g; s/^/^/; s/$/$/'`
+		ip_regex=`echo $ip | sed 's/\./\\./g'`
 		if ! grep -q $ip_regex $cache; then
 			/usr/local/bin/forumspam.sh "$ip" && echo $ip >> $cache
 		fi