Fix proxy config not making it through

lib/msf/core/transport_config.rb

@@ -59,7 +59,12 @@ module Msf::TransportConfig
       :uri          => uri,
       :comm_timeout => datastore['SessionCommunicationTimeout'].to_i,
       :retry_total  => datastore['SessionRetryTotal'].to_i,
-      :retry_wait   => datastore['SessionRetryWait'].to_i
+      :retry_wait   => datastore['SessionRetryWait'].to_i,
+      :proxy_host   => datastore['PayloadProxyHost'],
+      :proxy_port   => datastore['PayloadProxyPort'],
+      :proxy_type   => datastore['PayloadProxyType'],
+      :proxy_user   => datastore['PayloadProxyUser'],
+      :proxy_pass   => datastore['PayloadProxyPass']
     }
   end
 

lib/rex/payloads/meterpreter/config.rb

@@ -88,7 +88,13 @@ private
     ]
 
     if url.start_with?('http')
-      proxy_host = to_str(opts[:proxy_host] || '', PROXY_HOST_SIZE)
+      proxy_host = ''
+      if opts[:proxy_host] && opts[:proxy_port]
+        prefix = 'http://'
+        prefix = 'socks=' if opts[:proxy_type].downcase == 'socks'
+        proxy_host = "#{prefix}#{opts[:proxy_host]}:#{opts[:proxy_port]}"
+      end
+      proxy_host = to_str(proxy_host || '', PROXY_HOST_SIZE)
       proxy_user = to_str(opts[:proxy_user] || '', PROXY_USER_SIZE)
       proxy_pass = to_str(opts[:proxy_pass] || '', PROXY_PASS_SIZE)
       ua = to_str(opts[:ua] || '', UA_SIZE)
@@ -120,7 +126,6 @@ private
   end
 
   def config_block
-
     # start with the session information
     config = session_block(@opts)