Add MySQL Arch & Platform detection by query

lib/msf/base/sessions/mysql.rb

@@ -8,6 +8,8 @@ class Msf::Sessions::MySQL < Msf::Sessions::Sql
   # @param [Hash] opts
   def initialize(rstream, opts = {})
     @client = opts.fetch(:client)
+    self.platform = opts.fetch(:platform)
+    self.arch = opts.fetch(:arch)
     self.console = ::Rex::Post::MySQL::Ui::Console.new(self)
     super(rstream, opts)
   end

lib/rex/proto/mysql/client.rb

@@ -28,6 +28,39 @@ def current_database
           # Current database is stored as an array under the type 1 key.
           session_track.fetch(1, ['']).first
         end
+
+        # @return [Hash] Detect the platform and architecture of the MySQL server:
+        #  * :arch [String] The server architecture.
+        #  * :platform [String] The server platform.
+        def detect_platform_and_arch
+          result = {}
+
+          server_vars = query("show variables where variable_name in ('version_compile_machine', 'version_compile_os')").entries
+          server_vars.each do |server_var|
+            name, value = server_var
+            macos_platforms = ['mac', 'osx', 'darwin']
+
+            case name
+            when 'version_compile_machine'
+              result[:arch] = value
+            when 'version_compile_os'
+              platform = value.downcase
+              if platform.include? 'linux'
+                result[:platform] = Msf::Platform::Linux.realname
+              elsif platform.include? 'win' # Check Windows before MacOS/Darwin as Darwin includes 'win'
+                result[:platform] = Msf::Platform::Windows.realname
+              elsif macos_platforms.map { |macos_platform| platform.include? macos_platform }.any?
+                result[:platform] = Msf::Platform::OSX.realname
+              else
+                result[:platform] = value
+              end
+            else
+              next
+            end
+          end
+
+          result
+        end
       end
     end
   end

modules/auxiliary/scanner/mysql/mysql_login.rb

@@ -198,7 +198,7 @@ def int_version(str)
   def session_setup(result)
     return unless (result.connection && result.proof)
 
-    my_session = Msf::Sessions::MySQL.new(result.connection, { client: result.proof })
+    my_session = Msf::Sessions::MySQL.new(result.connection, { client: result.proof, **result.proof.detect_platform_and_arch })
     merge_me = {
       'USERPASS_FILE' => nil,
       'USER_FILE'     => nil,

spec/lib/msf/base/sessions/mysql_spec.rb

@@ -5,7 +5,7 @@
 
 RSpec.describe Msf::Sessions::MySQL do
   let(:client) { instance_double(::Rex::Proto::MySQL::Client) }
-  let(:opts) { { client: client } }
+  let(:opts) { { client: client, platform: 'Linux', arch: 'x86_64' } }
   let(:console_class) { Rex::Post::MySQL::Ui::Console }
   let(:user_input) { instance_double(Rex::Ui::Text::Input::Readline) }
   let(:user_output) { instance_double(Rex::Ui::Text::Output::Stdio) }

spec/lib/rex/post/mysql/ui/console/command_dispatcher/core_spec.rb

@@ -10,7 +10,7 @@
   let(:address) { '192.0.2.1' }
   let(:port) { '3306' }
   let(:peerinfo) { "#{address}:#{port}" }
-  let(:session) { Msf::Sessions::MySQL.new(nil, { client: client }) }
+  let(:session) { Msf::Sessions::MySQL.new(nil, { client: client, platform: 'Linux', arch: 'x86_64' }) }
   let(:console) do
     console = Rex::Post::MySQL::Ui::Console.new(session)
     console.disable_output = true