DZone Snippets: application code

A QT 'Hello World' application

jrobertson (James Robertson) — Wed, 19 Mar 2008 09:21:33 GMT

- getting started - (Using Ubuntu Linux 7.10)
1) Installed Qt bindings for Ruby

- Running the application
1) From the command line I typed ruby helloworld_qt.rb



#file: helloworld_qt.rb



require 'Qt'



    a = Qt::Application.new( ARGV )



    hello = Qt::PushButton.new( "Hello world!", nil )

    hello.resize( 100, 30 )

 

    Qt::Object::connect( hello, SIGNAL('clicked()'), a, SLOT('quit()') )

 

    a.setMainWidget( hello )

    hello.show()

 

    a.exec()

Source code copied from KDE Tutorial - p1 [kde.org]

A Glade 'Hello World' application

jrobertson (James Robertson) — Tue, 18 Mar 2008 19:29:06 GMT

- getting started - (Using Ubuntu Linux 7.10)
1) Installed glade-3,libglade2-ruby
2) Executed glade-3

- Within glade-3 -
1) Selected from the glade-3 top menu View -> Palette appearance -> Text beside icons
2) Created a window (Toplevels)
3) Created a button on the window (Control and Display)
3) With button selected, from the properties panel I selected the Signals tab and chose 'clicked', then for the Handler -> on_button1_clicked and pressed enter.
4) With window select, from the properties panel I select the Signals tab and chose GtkWidget->delete-event, then for the Handler I typed on_quit and pressed enter.

- Generating and editing the code

-- From the command line -
1) Typed ruby-glade-create-template helloworld3.glade > helloworld3.rb

-- From the file helloworld3.rb - (see helloworld3.rb and how it relates to helloworld3.glade)
1) Implemented the initialise window routine
2) Implemented the button event handler

- Running the application
1) From the command line I typed ruby helloworld3.rb
2) stretched the window to a comfortable dimension.
3) clicked the button and observed the Window title change to 'Hello World!'

file: helloworld3.glade



#!/usr/bin/env ruby

#

# This file is generated by ruby-glade-create-template 1.1.4.

#

require 'libglade2'



class Helloworld3Glade

  include GetText



  attr :glade

  

  def initialize(path_or_data, root = nil, domain = nil, localedir = nil, flag = GladeXML::FILE)

    bindtextdomain(domain, localedir, nil, "UTF-8")

    @glade = GladeXML.new(path_or_data, root, domain, localedir, flag) {|handler| method(handler)}

    @window1 = @glade.get_widget("window1") # hand coded

    @window1.show # hand coded      

  end

  

  def on_button1_clicked(widget)

    #puts "on_button1_clicked() is not implemented yet." # removed this code by hand

    @window1.title = 'Hello World!' # hand coded  

  end

  def on_quit(widget, arg0)

    #puts "on_quit() is not implemented yet." # removed this code by hand

    Gtk.main_quit # hand coded

  end

end



# Main program

if __FILE__ == $0

  # Set values as your own application. 

  PROG_PATH = "helloworld3.glade"

  PROG_NAME = "YOUR_APPLICATION_NAME"

  Helloworld3Glade.new(PROG_PATH, nil, PROG_NAME)

  Gtk.main

end

file: helloworld3.glade











  

    GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK

    

    

      

        True

        True

        True

        GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK

        button

        0

bScan - Simple Web Aplications Scanner

Black_H (Black_H) — Sun, 03 Feb 2008 11:51:05 GMT

// Web application scanner (ex: phpBB, myCMS, myBlog, mySite etc..) - Only in PHP !
// Find XSS, sql injection, remote file inclusion



#####################################################################################

#	Black_H  / Nooz -- 30:01:07 

#	Bl4ck.H<>gmail<>com

#



class BScan



#####################################################################################

#	Regex

#



@@space    = '([[:space:]]*)'



@@userdat  = '('

@@userdat += '(\$_SERVER\[([\'\"]*)HTTP_)|'

@@userdat += '(\$_GET)|'

@@userdat += '(\$_POST)|'

@@userdat += '(\$_COOKIE)|'

@@userdat += '(\$_REQUEST)|'

@@userdat += '(\$_FILES)|'

@@userdat += '(\$_ENV)|'

@@userdat += '(\$_HTTP_COOKIE_VARS)|'

@@userdat += '(\$_HTTP_ENV_VARS)|'

@@userdat += '(\$_HTTP_GET_VARS)|'

@@userdat += '(\$_HTTP_POST_FILES)|'

@@userdat += '(\$_HTTP_POST_VARS)|'

@@userdat += '(\$_HTTP_SERVER_VARS\[([\'\"]*)HTTP_)'

@@userdat += ')'



@@regex = Hash.new

@@regex = 

	{'TYPE' => 'vars overwrite','LEVEL' => '2','REGEX' => /extract#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'vars overwrite','LEVEL' => '2','REGEX' => /import_request_variables#{@@space}\((.*)\)/i},

	{'TYPE' => 'fopen vuln','LEVEL' => '3','REGEX' => /fopen#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'copy vuln','LEVEL' => '3','REGEX' => /copy#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'fwrite vuln','LEVEL' => '3','REGEX' => /fwrite#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'sql injection','LEVEL' => '2','REGEX' => /(mysql_query|mssql_query|mysqli_query)#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'crlf injection','LEVEL' => '1','REGEX' => /mail#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'cross site scripting','LEVEL' => '1','REGEX' => /\<\?\=#{@@space}(.*)#{@@userdat}/i},

	{'TYPE' => 'cross site scripting','LEVEL' => '1','REGEX' => /(print|echo|print_r|var_dump)#{@@space}(|\(|\")(.*)#{@@userdat}/i},

	{'TYPE' => 'php code execution','LEVEL' => '3','REGEX' => /eval#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'php code execution','LEVEL' => '3','REGEX' => /file_put_contents#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'variable attribution', 'LEVEL' => '2','REGEX' => /(.*)\$#{@@userdat}(.*)/i},

	{'TYPE' => 'chmod affectation','LEVEL' => '1','REGEX' => /chmod#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'file disclosure','LEVEL' => '2','REGEX' => /(readfile|file_get_contents|file)#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'file disclosure','LEVEL' => '2','REGEX' => /(show_source|highlight_file)#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'bzopen vuln','LEVEL' => '2','REGEX' => /bzopen#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'file deletion','LEVEL' => '2','REGEX' => /(rmdir|unlink|delete)#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'command execution','LEVEL' => '3','REGEX' => /(exec|system|passthru|shell_exec|proc_open|pcntl_exec)#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'buffer overflow','LEVEL' => '3','REGEX' => /(confirm_phpdoc_compiled|mssql_pconnect|mssql_connect|crack_opendict|snmpget|ibase_connect)#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'ip falsification','LEVEL' => '1','REGEX' => /(.*)(HTTP_CLIENT_IP|HTTP_X_FORWARDED_FOR|HTTP_PC_REMOTE_ADDR)(.*)/i},

	{'TYPE' => 'putenv vuln','LEVEL' => '2','REGEX' => /putenv#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'full path disclosure','LEVEL' => '1','REGEX' => /(htmlentities|htmlspecialchars)#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'magic_quotes_gpc bypass','LEVEL' => '1','REGEX' => /(stripslashes|urldecode)#{@@space}\((.*)#{@@userdat}(.*)\)/i},

	{'TYPE' => 'file inclusion','LEVEL' => '3','REGEX' => /(include|include_once|require|require_once)#{@@space}(|\(|\")(.*)#{@@userdat}/i}



#####################################################################################

#	Main

#



  def initialize()



	################

	#	Usage



if (ARGV.length < 4)

puts  '

 ---------------------------------------------------------------------

|             Credits: Black_H                     |

|                 URL: Lemon-Inside.sup.fr                            |

|                Note: Premier code Ruby                              |

 ---------------------------------------------------------------------



 ---------------------------------------------------------------------

|   Usage:  scan.rb -d  -i                        |

|   Ex:  scan.rb -d ./ -i output.html                                 |

 ---------------------------------------------------------------------		

 '

 end

 

	################

	#	Options & Vars

	

	@@scan_alldir =  self.options('d')

	@@out_file =  self.options('i')

	

	@@ban = [".", "..", "scan.rb", @@out_file.to_s]



	@@scan_buffer = Array.new

	

	################

	#	Options Error ?

	

	if (@@scan_alldir != false and @@scan_alldir.empty? == false)

	self.dscan(@@scan_alldir)

	self.output(@@scan_buffer)

	@@scan_buffer = ''

	end





	



  end



#####################################################################################

#	Dir Scan 

#

  

  def dscan(dir)

      

	d = Dir.open(dir.to_s)

	d = d.sort - @@ban

	

      d.each { |fichier|



      case File.ftype(dir+fichier)

        when "directory"

          self.dscan(dir + fichier + "/")

        when "file"

		  puts  'Scan => ' + dir + fichier 

          self.fscan(dir + fichier)

      end



	  }

  end



#####################################################################################

#	File Scan 

#

  

  def fscan(file)



	fichier = File.readlines(file)

	i = 1



	fichier.each { |line|

						

		@@regex.each  { |info|

			

			test = (line  =~ info['REGEX']) 

		

				if (test) 

			

				@@scan_buffer += ['FILE' => file, 'LINE' => i.to_s, 'MATCH' => line, 'LEVEL' => info['LEVEL'], 'TYPE' => info['TYPE']]

				#	5 , 1 , 3 , 4 , 2

				next @@scan_buffer

				end

		}



	i += 1

  	} 

	

  end



#####################################################################################

#	Output buffer

#

  

  def output(buffer)

  

	@html_hmodel = ''

	@html_hmodel += 'BScan v1.0
'



	code = @html_hmodel

	

	buffer.each { |infos|

	

	keys = infos.keys

	code += "" + keys[1].to_s + ' : ' + infos["TYPE"] + '
'

	code += "" + keys[3].to_s + ' : ' + infos["LEVEL"] + '
'

	code += "" + keys[4].to_s + ' : ' + infos["FILE"] + '
'

	code += "" + keys[0].to_s + ' : ' + infos["LINE"] + '
'

	code += "" + keys[2].to_s + ' : ' + infos["MATCH"] + '
'

	



	}

		code += ""

		fhtml = File.open(@@out_file.to_s, "w")

		fhtml.write code

		code = ''



	

  end

#####################################################################################

#	Parse & Get Options

#

 

  def options(param)

  

	i = 0

		ARGV.each  { |valeur|

		

    		if (valeur == '-' + param.to_s)

				return ARGV[i+1]

			elseif (valeur != '-' + param.to_s)

				return false

			end

		i += 1

		}

		

	end

  

end



scan = BScan.new

Toggle Text on Button (Single thread application)

dubby (Dave) — Fri, 19 Oct 2007 06:59:20 GMT

// description of your code here



 public partial class Form1 : Form

    {

        int iBtn = 0;

        public Form1()

        {

            InitializeComponent();

        }



        private void button1_Click(object sender, EventArgs e)

        {

            ++iBtn;



            if (iBtn == 3)

            {

                iBtn = 0;

            }



            switch (iBtn)

            {

                case 0: button1.Text = "default";

                    break;

                case 1: button1.Text = "Love";

                    break;

                case 2: button1.Text = "Hate";

                    break;

            }

        }



        private void Form1_Load(object sender, EventArgs e)

        {

            button1.Text = "default";

        }

    }

No duplicate forms in MDI Parent

dubby (Dave) — Thu, 06 Sep 2007 10:32:03 GMT

//This will ensure that no duplicate copies of a child form is created in an //MDI_Parent



            //"Display" is the form name

            foreach (Form childForm in this.MdiChildren)

            {

                if (childForm.GetType() == typeof(Display))

                {

                    childForm.Focus();

                    return;

                }

            }

            Display frmDisplay = new Display();

            frmDisplay.MdiParent = this;

            frmDisplay.Show();

Reading Web.config / App.config settings

dubby (Dave) — Thu, 06 Sep 2007 10:24:16 GMT

// VB.NET 2.0



#If DEBUG Then

    Private Shared _strConnectionString As String = My.Settings.Item("ConnStringDebug")

#Else

    Private shared _strConnectionString As String = My.Settings.Item("ConnString")

#End If





// Web.Config/App.config file:

Persisting Application data using Hashtable and IsolatedStorage

sdorzak (Slawek) — Tue, 03 Oct 2006 15:49:23 GMT

// nice way to store application data and settings
// copied from: http://www.dotnetspider.com/kb/Article344.aspx



using System;

using System.Collections;

using System.IO;

using System.IO.IsolatedStorage;

using System.Runtime.Serialization;

using System.Runtime.Serialization.Formatters.Binary;



namespace CustomStorage

{

    [Serializable]

    public class ApplicationStorage : Hashtable

    {

        // File name. Let us use the entry assembly name with .dat as the extension.

        private string settingsFileName = 

                        System.Reflection.Assembly.GetEntryAssembly().GetName().Name + ".dat";

    

        // The default constructor.

        public ApplicationStorage()

        {

            LoadData();

        }

        

        // This constructor is required for deserializing our class from persistent storage.

        protected ApplicationStorage (SerializationInfo info, StreamingContext context)

            : base(info, context)

        {

        }

        

        private void LoadData()

        {

            IsolatedStorageFile isoStore = IsolatedStorageFile.GetStore( IsolatedStorageScope.User 

                        | IsolatedStorageScope.Assembly, null, null );

            if ( isoStore.GetFileNames( settingsFileName ).Length == 0 )

            {

                // File not exists. Let us NOT try to DeSerialize it.

                return;

            }

            

            // Read the stream from Isolated Storage.

            Stream stream = new IsolatedStorageFileStream( settingsFileName, 

                        FileMode.OpenOrCreate, isoStore );

            if ( stream != null )

            {

                try

                {

                    // DeSerialize the Hashtable from stream.

                    IFormatter formatter = new BinaryFormatter();

                    Hashtable appData = ( Hashtable ) formatter.Deserialize(stream);

                    

                    // Enumerate through the collection and load our base Hashtable.

                    IDictionaryEnumerator enumerator = appData.GetEnumerator();

                    while ( enumerator.MoveNext() )

                    {

                        this[enumerator.Key] = enumerator.Value;

                    }

                }

                finally

                {

                    // We are done with it.

                    stream.Close();

                }

            }

        }

        

        public void ReLoad()

        {

            LoadData();

        }

        

        // Saves the configuration data to the persistent storage.

        public void Save()

        {

            // Open the stream from the IsolatedStorage.

            IsolatedStorageFile isoStore = IsolatedStorageFile.GetStore( IsolatedStorageScope.User 

                        | IsolatedStorageScope.Assembly, null, null );

            Stream stream = new IsolatedStorageFileStream( settingsFileName, 

                        FileMode.Create, isoStore );

        

            if ( stream != null )

            {

                try

                {

                    // Serialize the Hashtable into the IsolatedStorage.

                    IFormatter formatter = new BinaryFormatter();

                    formatter.Serialize( stream, (Hashtable)this );

                }

                finally

                {

                    stream.Close();

                }

            }

        }

    }

}

//sample usage





CustomStorage.ApplicationStorage storage = new CustomStorage.ApplicationStorage();



storage["name"] = "john";

storage["age"] = 23;

storage["address"] = "#10, Vasant Nagar";



storage.Save();



string name = storage["name"].ToString();

int age = int.parse(storage["age"].ToString());

Switch application to foreground in pys60

korakot (Korakot Chaovavanich) — Mon, 17 Oct 2005 21:06:29 GMT

Taken from the 'appswitch' module here



import appswitch

print appswitch.switch_to_fg(u"Menu")

Updated (19 Oct 05)
==================
Now it can
- listing running applications
- switching them to foreground/background
- closing/killing apps



# listing

apps = appswitch.application_list(True) # true = include all

                                       # false = no hidden apps 

print apps



# to background and closing

print appswitch.switch_to_bg(u"TODO")

print appswitch.end_app(u"TODO")