Session detach support, closer to clean hand-off between session -d / session -i. Make autovnc look for both vncviewer and vncviewer.exe

git-svn-id: file:///home/svn/framework3/trunk@4424 4d416f70-5f16-0410-b530-b9f4589650da

data/msfweb/app/controllers/console_controller.rb

@@ -33,6 +33,10 @@ class ConsoleController < ApplicationController
 					out = out.unpack('C*').map{|c| sprintf("%%%.2x", c)}.join
 					pro = console.prompt.unpack('C*').map{|c| sprintf("%%%.2x", c)}.join
 
+					if (console.busy)
+						pro = '(running)'.unpack('C*').map{|c| sprintf("%%%.2x", c)}.join
+					end
+
 					script =  "// Metasploit Web Console Data\n"
 					script += "var con_prompt = unescape('#{pro}');\n"
 					script += "var con_update = unescape('#{out}');\n"
@@ -67,6 +71,10 @@ class ConsoleController < ApplicationController
 			out = out.unpack('C*').map{|c| sprintf("%%%.2x", c)}.join
 			pro = @console.prompt.unpack('C*').map{|c| sprintf("%%%.2x", c)}.join
 			
+			if (@console.busy)
+				pro = '(running)'.unpack('C*').map{|c| sprintf("%%%.2x", c)}.join
+			end
+					
 			script =  "// Metasploit Web Console Data\n"
 			script += "var con_prompt = unescape('#{pro}');\n"
 			script += "var con_update = unescape('#{out}');\n"
@@ -79,7 +87,7 @@ class ConsoleController < ApplicationController
 			cmdl = params[:tab]
 			out  = ""
 
-			if (params[:tab].strip.length > 0)
+			if (not @console.busy and params[:tab].strip.length > 0)
 				opts = @console.tab_complete(params[:tab]) || []
 			end
 
@@ -116,6 +124,10 @@ class ConsoleController < ApplicationController
 			pro = @console.prompt.unpack('C*').map{|c| sprintf("%%%.2x", c)}.join
 			tln = cmdl.unpack('C*').map{|c| sprintf("%%%.2x", c)}.join
 			
+			if (@console.busy)
+				pro = '(running)'.unpack('C*').map{|c| sprintf("%%%.2x", c)}.join
+			end
+			
 			script =  "// Metasploit Web Console Data\n"
 			script += "var con_prompt = unescape('#{pro}');\n"
 			script += "var con_update = unescape('#{out}');\n"

data/msfweb/app/views/console/index.rhtml

@@ -6,7 +6,7 @@
         <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
         <meta name="Author" content="LMH (lmh@info-pull.com)" />
         <meta name="Copyright" content="(c) 2006, LMH (lmh@info-pull.com)" />
-        <title>msfweb v.3 - console demo</title>
+        <title>Metasploit Console</title>
         <% ["prototype","effects","controls", "window", "application", "console"].each do |js| %>
         <%= javascript_include_tag js %><% end %>
         <%= stylesheet_link_tag "msfconsole" %>

data/msfweb/public/javascripts/console.js

@@ -127,7 +127,7 @@ function console_keypress(e) {
 			console_hindex = console_history.length - 1;
 		}
 		
-		console_printline("\n" + con_prompt + ' ' + console_input.value, 'output_line')
+		console_printline("\n>> " + console_input.value + "\n\n", 'output_line')
 		
 		if(cmd_internal[console_input.value]) {
 			cmd_internal[console_input.value]();

data/msfweb/public/stylesheets/msfconsole.css

@@ -67,6 +67,7 @@ html,body {
 
 #console_command_bar {
 	background: #000000;
+	margin-top: 1em;
 }
 
 #console_status {

lib/msf/base/sessions/vncinject.rb

@@ -126,7 +126,11 @@ class VncInject
 	# Launches VNC viewer against the local relay for this VNC server session.
 	#
 	def autovnc
-		if (Rex::FileUtils::find_full_path('vncviewer'))
+		vnc = 
+			Rex::FileUtils::find_full_path('vncviewer') || 
+			Rex::FileUtils::find_full_path('vncviewer.exe')
+			
+		if (vnc)
 			Thread.new {
 				system("vncviewer #{vlhost}::#{vlport}")
 			}

lib/msf/ui/console/command_dispatcher/core.rb

@@ -26,6 +26,7 @@ class Core
 		"-l" => [ false, "List all active sessions."                      ],
 		"-v" => [ false, "List verbose fields."                           ],
 		"-q" => [ false, "Quiet mode."                                    ],
+		"-d" => [  true, "Detach an interactive session"                  ],
 		"-k" => [  true, "Terminate session."                             ])
 
 	@@jobs_opts = Rex::Parser::Arguments.new(
@@ -624,6 +625,10 @@ class Core
 					method = 'kill'
 					sid = val
 				
+				when "-d"
+					method = 'detach'
+					sid = val
+					
 				# Display help banner
 				when "-h"
 					print(
@@ -639,9 +644,18 @@ class Core
 		
 			when 'kill'
 				if ((session = framework.sessions.get(sid)))
+					print_status("Killing session #{sid}")
 					session.kill
 				end
 				
+			when 'detach'
+				if ((session = framework.sessions.get(sid)))
+					print_status("Detaching session #{sid}")
+					if (session.interactive?)				
+						session.detach()
+					end
+				end
+				
 			when 'interact'
 				if ((session = framework.sessions.get(sid)))
 					if (session.interactive?)
@@ -655,12 +669,8 @@ class Core
 						# Interact
 						session.interact()
 						
-						# Once interact returns, swap the output handle with a
-						# none output
-						#
-						# TODO: change this to use buffered output so we can call
-						# flush later on
-						session.reset_ui
+						self.active_session = nil
+						
 					else
 						print_error("Session #{sid} is non-interactive.")
 					end

lib/msf/ui/web/console.rb

@@ -77,7 +77,6 @@ class WebConsole
 
 	def read
 		update_access
-
 		self.pipe.read_subscriber('msfweb')
 	end
 
@@ -102,6 +101,10 @@ class WebConsole
 		self.pipe.close
 		self.thread.kill
 	end
+	
+	def busy
+		self.console.busy
+	end
 end
 
 

lib/msf/ui/web/driver.rb

@@ -104,6 +104,9 @@ class Driver < Msf::Ui::Driver
 		# Has this session already been detached?
 		return if ses.user_output.has_subscriber?('session_reader')
 
+		# Detach session if necessary
+		ses.detach()
+
 		# Create a new pipe
 		spipe = WebConsole::WebConsolePipe.new
 		spipe.input = spipe.pipe_input

lib/rex/ui/interactive.rb

@@ -21,7 +21,14 @@ module Interactive
 	# rstream to user_output.
 	#
 	def interact
+	
+		# Prevent two thread from interacting at once
+		if(self.interacting)
+			raise RuntimeError, "This session is already interacting with another console"
+		end
+
 		self.interacting = true
+		self.completed = false
 
 		eof = false
 
@@ -53,6 +60,7 @@ module Interactive
 			break if eof
 		end
 
+		begin
 		
 			# Restore the suspend handler
 			restore_suspend
@@ -64,15 +72,41 @@ module Interactive
  			# XXX disabled
 			# user_input.readline_stop() if user_input.supports_readline
 
+			# Detach from the input/output handles
+			reset_ui()
+		
+		ensure
+			# Mark this as completed
+			self.completed = true
+		end
+		
 		# Return whether or not EOF was reached
 		return eof
 	end
 
+	#
+	# Stops the current interaction
+	#
+	def detach
+		if (self.interacting)
+			self.interacting = false
+			stime = Time.now.to_f
+			while(Time.now.to_f > stime + 5 and not self.completed)
+				select(nil, nil, nil, 0.10)	
+			end
+		end
+	end
+
 	#
 	# Whether or not the session is currently being interacted with
 	#
 	attr_accessor   :interacting
 	
+	#
+	# Whether or not the session has completed interaction
+	#
+	attr_accessor	:completed
+
 protected
 	
 	#
@@ -145,8 +179,9 @@ protected
 	#
 	def interact_stream(stream)
 		while self.interacting
+		
 			# Select input and rstream
-			sd = Rex::ThreadSafe.select([ _local_fd, _remote_fd(stream) ])
+			sd = Rex::ThreadSafe.select([ _local_fd, _remote_fd(stream) ], nil, nil, 0.25)
 
 			# Cycle through the items that have data
 			# From the stream?  Write to user_output.

lib/rex/ui/text/dispatcher_shell.rb

@@ -226,7 +226,9 @@ module DispatcherShell
 	# Runs the supplied command on the given dispatcher.
 	#
 	def run_command(dispatcher, method, arguments)
+		self.busy = true
 		dispatcher.send('cmd_' + method, *arguments)
+		self.busy = false
 	end
 
 	#
@@ -321,6 +323,7 @@ module DispatcherShell
 
 	attr_accessor :dispatcher_stack # :nodoc:
 	attr_accessor :tab_words # :nodoc:
+	attr_accessor :busy # :nodoc:
 
 end