Add MySQL Arch & Platform detection by query

lib/msf/base/sessions/mysql.rb

@@ -4,6 +4,14 @@
 
 class Msf::Sessions::MySQL < Msf::Sessions::Sql
 
+  # @return [String] The server hostname.
+  # Populated during session setup using query_server_vars
+  attr_accessor :server_hostname
+
+  # @return [String] The server data directory.
+  # # Populated during session setup using query_server_vars
+  attr_accessor :server_datadir
+
   # @param[Rex::IO::Stream] rstream
   # @param [Hash] opts
   def initialize(rstream, opts = {})

lib/msf/core/module/platform.rb

@@ -383,7 +383,7 @@ class Ruby < Msf::Module::Platform
   #
   class Linux < Msf::Module::Platform
     Rank = 100
-    Alias = "linux"
+    Aliases = [ 'linux', 'debian-linux-gnu' ]
   end
 
   #

lib/rex/proto/mysql/client.rb

@@ -28,6 +28,32 @@ def current_database
           # Current database is stored as an array under the type 1 key.
           session_track.fetch(1, ['']).first
         end
+
+        # @return [Hash] Server version variables:
+        #  * :arch [String] The server architecture.
+        #  * :platform [String] The server platform.
+        #  * :hostname [String] The server hostname.
+        #  * :datadir [String] The server data directory.
+        #  * :version [String] The server version. This is the same as calling #server_info on the MySQL client.
+        def query_server_vars
+          result = {}
+
+          server_vars = query('show variables').entries
+          server_vars.each do |server_var|
+            name, value = server_var
+
+            case name
+            when 'version_compile_machine'
+              result[:arch] = value
+            when 'version_compile_os'
+              result[:platform] = value
+            else
+              result[name.to_s] = value
+            end
+          end
+
+          result
+        end
       end
     end
   end

modules/auxiliary/scanner/mysql/mysql_login.rb

@@ -211,6 +211,12 @@ def session_setup(result, client)
       'PASSWORD'      => result.credential.private
     }
 
+    server_vars = my_session.client.query_server_vars
+    my_session.arch = server_vars[:arch]
+    my_session.platform = server_vars[:platform]
+    my_session.server_datadir = server_vars[:datadir]
+    my_session.server_hostname = server_vars[:hostname]
+
     start_session(self, nil, merging, false, my_session.rstream, my_session)
   end
 end