adblock: update 1.4.8

* enhance the new query function:
   change the regex to find only the relevant blocklist entries
   add a recursive tld search to quickly identify domains for
whitelisting (see documentation)
     better result preparation
* add securemecca as new blocklist source
* documentation update

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

net/adblock/files/adblock.init

@@ -131,12 +131,27 @@ cfgup()
 
 query()
 {
-    if [ -z "${1}" ]
+    local search
+    local domain="${1}"
+    local tld="${domain#*.}"
+    if [ -z "${domain}" ] || [ "${domain}" = "${tld}" ]
     then
-        f_log "no domain query input, please submit a specific search domain"
+        f_log "invalid domain query input, please submit a specific (sub-)domain, i.e. 'www.abc.xyz'"
     else
-        f_log "results for search domain '${1}':"
-        grep "${1}" "/tmp/dnsmasq.d/adb_list"*
+        while [ "${domain}" != "${tld}" ]
+        do
+            search="${domain//./\.}"
+            result="$(grep -Hnm 3 "[/\.]${search}/" "/tmp/dnsmasq.d/adb_list"* | sed -e 's/^/   /')"
+            printf "%s\n" "=> results for (sub-)domain '${domain}'"
+            if [ -z "${result}" ]
+            then
+                printf "%s\n" "   no matches in active blocklists"
+            else
+                printf "%s\n" "${result}"
+            fi
+            domain="${tld}"
+            tld="${domain#*.}"
+        done
     fi
     return 0
 }