adblock: update 1.4.7

* add a query function to search the active blocklists for a specific
domain (/etc/init.d/adblock query <DOMAIN>)
* fix bug in ap mode/uhttpd port detection
* check general firewall and dnsmasq package dependencies and remove
redundant checks in ap mode

Signed-off-by: Dirk Brenken <dev@brenken.org>

net/adblock/files/adblock.init

@@ -2,10 +2,11 @@
 #
 
 START=99
-EXTRA_COMMANDS="toggle stats cfgup"
+EXTRA_COMMANDS="toggle stats cfgup query"
 EXTRA_HELP="	toggle	Toggle adblock 'on' or 'off'
 	stats	Update adblock statistics
-	cfgup	Update adblock configuration file"
+	cfgup	Update adblock configuration file
+	query	<DOMAIN> Query active blocklists for specific domain"
 
 adb_debug=0
 adb_pid="${$}"
@@ -127,3 +128,15 @@ cfgup()
     fi
     return 0
 }
+
+query()
+{
+    if [ -z "${1}" ]
+    then
+        f_log "no domain query input, please submit a specific search domain"
+    else
+        f_log "results for search domain '${1}':"
+        grep "${1}" "/tmp/dnsmasq.d/adb_list"*
+    fi
+    return 0
+}