Makes it so we don't ever use local config files for Net::SSH

Also makes sure that the :config =>false option keeps
Net:SSH from meddling with knowns_hosts too

lib/net/ssh/transport/algorithms.rb

@@ -206,7 +206,7 @@ module Net; module SSH; module Transport
         algorithms[:compression_client] = algorithms[:compression_server] = algorithms[:compression]
         algorithms[:language_client   ] = algorithms[:language_server   ] = algorithms[:language]
 
-        if !options.key?(:host_key)
+        if !options.key?(:host_key) and options[:config]
           # make sure the host keys are specified in preference order, where any
           # existing known key for the host has preference.
 

lib/net/ssh/verifiers/strict.rb

@@ -13,8 +13,9 @@ module Net; module SSH; module Verifiers
     def verify(arguments)
       options = arguments[:session].options
       host = options[:host_key_alias] || arguments[:session].host_as_string
+      if options[:config]
         matches = Net::SSH::KnownHosts.search_for(host, arguments[:session].options)
-
+      end
       # we've never seen this host before, so just automatically add the key.
       # not the most secure option (since the first hit might be the one that
       # is hacked), but since almost nobody actually compares the key
@@ -22,7 +23,9 @@ module Net; module SSH; module Verifiers
       # security.
       if matches.empty?
         ip = arguments[:session].peer[:ip]
+        if options[:config]
           Net::SSH::KnownHosts.add(host, arguments[:key], arguments[:session].options)
+        end
         return true
       end
 
@@ -43,9 +46,11 @@ module Net; module SSH; module Verifiers
       def process_cache_miss(host, args)
         exception = HostKeyMismatch.new("fingerprint #{args[:fingerprint]} does not match for #{host.inspect}")
         exception.data = args
+        if options[:config]
           exception.callback = Proc.new do
             Net::SSH::KnownHosts.add(host, args[:key], args[:session].options)
           end
+        end
         raise exception
       end
   end

modules/auxiliary/scanner/ssh/ssh_identify_pubkeys.rb

@@ -201,6 +201,7 @@ class Metasploit3 < Msf::Auxiliary
 				:disable_agent     => true,
 				:record_auth_info  => true,
 				:skip_private_keys => true,
+				:config =>false,
 				:accepted_key_callback => Proc.new {|key| accepted << key }
 			}
 

modules/auxiliary/scanner/ssh/ssh_login.rb

@@ -62,13 +62,15 @@ class Metasploit3 < Msf::Auxiliary
 	end
 
 	def do_login(ip,user,pass,port)
+		print_status "Home: #{ENV['HOME']}"
 		opt_hash = {
 			:auth_methods  => ['password','keyboard-interactive'],
 			:msframework   => framework,
 			:msfmodule     => self,
 			:port          => port,
 			:disable_agent => true,
-			:password      => pass
+			:password      => pass,
+			:config        => false,
 		}
 
 		opt_hash.merge!(:verbose => :debug) if datastore['SSH_DEBUG']

modules/auxiliary/scanner/ssh/ssh_login_pubkey.rb

@@ -177,6 +177,7 @@ class Metasploit3 < Msf::Auxiliary
 				:port         => port,
 				:key_data     => key_data,
 				:disable_agent => true,
+				:config => false,
 				:record_auth_info => true
 			}
 			opt_hash.merge!(:verbose => :debug) if datastore['SSH_DEBUG']