adblock: update 3.4.3

* add pidfile writing / check to prevent further race conditions
* ease the download utility selection: uclient-fetch (default),
  wget, curl, aria2c, wget-nossl, busybox-wget are pre-configured
* add debug download logging in case of an error, e.g. wrong url
* change 'malware' blocklist source url
* add logfile information to email template
* LuCI: add 'Download Utility' select box
* LuCI: add new "running" status

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

net/adblock/files/adblock.init

@@ -12,6 +12,7 @@ EXTRA_HELP="	suspend	Suspend adblock processing
 
 adb_init="/etc/init.d/adblock"
 adb_script="/usr/bin/adblock.sh"
+adb_pidfile="/var/run/adblock.pid"
 
 boot()
 {
@@ -33,6 +34,7 @@ start_service()
         fi
         procd_open_instance "adblock"
         procd_set_param command "${adb_script}" "${@}"
+        procd_set_param pidfile "${adb_pidfile}"
         procd_set_param stdout 1
         procd_set_param stderr 1
         procd_close_instance
@@ -57,16 +59,19 @@ restart()
 
 suspend()
 {
+    [ -s "${adb_pidfile}" ] && return 1
     rc_procd "${adb_script}" suspend
 }
 
 resume()
 {
+    [ -s "${adb_pidfile}" ] && return 1
     rc_procd "${adb_script}" resume
 }
 
 query()
 {
+    [ -s "${adb_pidfile}" ] && return 1
     rc_procd "${adb_script}" query "${1}"
 }
 
@@ -86,6 +91,8 @@ status()
             json_get_var value "${key}"
             printf "  + %-15s : %s\n" "${key}" "${value}"
         done
+    else
+        printf "%s\n" "::: no adblock runtime information available"
     fi
 }