Land #8412, fix for smb_login errors

Merge branch 'land-8412' into upstream-master

Gemfile.lock

@@ -343,7 +343,7 @@ GEM
       rspec-mocks (~> 3.6.0)
       rspec-support (~> 3.6.0)
     rspec-support (3.6.0)
-    ruby_smb (0.0.12)
+    ruby_smb (0.0.14)
       bindata
       rubyntlm
       windows_error

lib/metasploit/framework/login_scanner/smb.rb

@@ -100,6 +100,7 @@ module Metasploit
             client      = RubySMB::Client.new(self.dispatcher, username: username, password: password, domain: realm)
             status_code = client.login
 
+            if status_code == WindowsError::NTStatus::STATUS_SUCCESS
               # Windows SMB will return an error code during Session
               # Setup, but nix Samba requires a Tree Connect. Try admin$
               # first, since that will tell us if this user has local
@@ -114,6 +115,7 @@ module Metasploit
               rescue Exception => e
                 client.tree_connect("\\\\#{host}\\IPC$")
               end
+            end
 
             case status_code.name
               when *StatusCodes::CORRECT_CREDENTIAL_STATUS_CODES