checker.patch

--- checker.py	2018-06-11 19:24:37.000000000 -0700
+++ checker.py.new	2018-06-11 19:19:24.000000000 -0700
@@ -10,7 +10,7 @@
 - check target if MS17-010 is patched or not.
 - find accessible named pipe
 '''
-
+# if you wish to provide credentials see the command line paramters
 USERNAME = ''
 PASSWORD = ''
 
@@ -31,14 +31,23 @@
 }
 
 
-if len(sys.argv) != 2:
-	print("{} <ip>".format(sys.argv[0]))
+if len(sys.argv) < 2:
+	print("{} <ip> [USERNAME] [PASSWORD]".format(sys.argv[0]))
 	sys.exit(1)
+if len(sys.argv) >= 3:
+	USERNAME = sys.argv[2]
+	if len(sys.argv) > 3:
+		PASSWORD = sys.argv[3]
+# If you wish to provide credentials you can enter them on the command line
+# and avoid having to edit this script. They are optional parameters.
+
 
 target = sys.argv[1]
 
 conn = MYSMB(target)
 try:
+	if USERNAME != "":
+		print("Connecting with user '" + USERNAME + "' and password '" + PASSWORD + "'")
 	conn.login(USERNAME, PASSWORD)
 except smb.SessionError as e:
 	print('Login failed: ' + nt_errors.ERROR_MESSAGES[e.error_code][0])