Land #10575, add meterpreter chmod command

Merge branch 'land-10575' into upstream-master

Gemfile.lock

@@ -20,7 +20,7 @@ PATH
       metasploit-model
       metasploit-payloads (= 1.3.47)
       metasploit_data_models (< 3.0.0)
-      metasploit_payloads-mettle (= 0.4.1)
+      metasploit_payloads-mettle (= 0.4.2)
       mqtt
       msgpack
       nessus_rest
@@ -168,7 +168,7 @@ GEM
       postgres_ext
       railties (~> 4.2.6)
       recog (~> 2.0)
-    metasploit_payloads-mettle (0.4.1)
+    metasploit_payloads-mettle (0.4.2)
     method_source (0.9.0)
     mini_portile2 (2.3.0)
     minitest (5.11.3)

lib/rex/post/meterpreter/extensions/stdapi/fs/file.rb

@@ -247,6 +247,20 @@ class File < Rex::Post::Meterpreter::Extensions::Stdapi::Fs::IO
     alias copy cp
   end
 
+  #
+  # Performs a chmod on the remote file
+  #
+  def File.chmod(name, mode)
+    request = Packet.create_request('stdapi_fs_chmod')
+
+    request.add_tlv(TLV_TYPE_FILE_PATH, client.unicode_filter_decode( name ))
+    request.add_tlv(TLV_TYPE_FILE_MODE_T, mode)
+
+    response = client.send_request(request)
+
+    return response
+  end
+
   #
   # Upload one or more files to the remote remote directory supplied in
   # +destination+.

lib/rex/post/meterpreter/extensions/stdapi/tlv.rb

@@ -46,6 +46,8 @@ TLV_TYPE_SEARCH_RECURSE     = TLV_META_TYPE_BOOL    | 1230
 TLV_TYPE_SEARCH_GLOB        = TLV_META_TYPE_STRING  | 1231
 TLV_TYPE_SEARCH_ROOT        = TLV_META_TYPE_STRING  | 1232
 TLV_TYPE_SEARCH_RESULTS     = TLV_META_TYPE_GROUP   | 1233
+
+TLV_TYPE_FILE_MODE_T        = TLV_META_TYPE_UINT    | 1234
 ##
 #
 # Net

lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/fs.rb

@@ -89,6 +89,7 @@ class Console::CommandDispatcher::Stdapi::Fs
       'rm'         => 'Delete the specified file',
       'mv'         => 'Move source to destination',
       'cp'         => 'Copy source to destination',
+      'chmod'      => 'Change the permissions of a file',
       'rmdir'      => 'Remove directory',
       'search'     => 'Search for files',
       'upload'     => 'Upload a file or directory',
@@ -115,6 +116,7 @@ class Console::CommandDispatcher::Stdapi::Fs
       'rm'         => ['stdapi_fs_delete_file'],
       'mv'         => ['stdapi_fs_file_move'],
       'cp'         => ['stdapi_fs_file_copy'],
+      'chmod'      => ['stdapi_fs_chmod'],
       'search'     => ['stdapi_fs_search'],
       'upload'     => [],
       'show_mount' => ['stdapi_fs_mount_show'],
@@ -397,6 +399,21 @@ class Console::CommandDispatcher::Stdapi::Fs
 
   alias :cmd_copy :cmd_cp
   alias :cmd_cp_tabs :cmd_cat_tabs
+  alias :cmd_chmod_tabs :cmd_cat_tabs
+
+  #
+  # Change the permissions on a remote file
+  #
+  def cmd_chmod(*args)
+    if (args.length != 2)
+      print_line("Usage: chmod permission file")
+      return true
+    end
+    file_path = args[1]
+    file_path = client.fs.file.expand_path(file_path) if file_path =~ PATH_EXPAND_REGEX
+    client.fs.file.chmod(file_path, args[0].to_i(8))
+    return true
+  end
 
   def cmd_download_help
     print_line("Usage: download [options] src1 src2 src3 ... destination")

metasploit-framework.gemspec

@@ -72,7 +72,7 @@ Gem::Specification.new do |spec|
   # Needed for Meterpreter
   spec.add_runtime_dependency 'metasploit-payloads', '1.3.47'
   # Needed for the next-generation POSIX Meterpreter
-  spec.add_runtime_dependency 'metasploit_payloads-mettle', '0.4.1'
+  spec.add_runtime_dependency 'metasploit_payloads-mettle', '0.4.2'
   # Needed by msfgui and other rpc components
   spec.add_runtime_dependency 'msgpack'
   # get list of network interfaces, like eth* from OS.