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DiffCompare.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2005-2006 Insecure.Com LLC.
# Copyright (C) 2007-2008 Adriano Monteiro Marques
#
# Author: Adriano Monteiro Marques <adriano@umitproject.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

import gtk
import pango
import os
import os.path
import webbrowser

from higwidgets.higdialogs import HIGAlertDialog, HIGDialog
from higwidgets.higboxes import HIGVBox, HIGHBox, hig_box_space_holder
from higwidgets.higlabels import HIGEntryLabel, HIGSectionLabel
from higwidgets.higtables import HIGTable
from higwidgets.higbuttons import HIGButton

from umitCore.Diff import Diff
from umitCore.UmitConf import UmitConf, DiffColors
from umitCore.NmapParser import NmapParser, HostInfo
from umitCore.Paths import check_access, Path
from umitCore.UmitLogging import log
from umitCore.I18N import _

from tempfile import mktemp
from types import StringTypes
from umitGUI.FileChoosers import RegularDiffiesFileFilter, HtmlDiffiesFileFilter

try:
    from umitCore.DiffHtml import DiffHtml
    from umitGUI.FileChoosers import AllFilesFileChooserDialog,\
         ResultsFileChooserDialog,\
         FullDiffiesFileChooserDialog as DiffiesFileChooserDialog
    use_html = True
except:
    from umitGUI.FileChoosers import AllFilesFileChooserDialog,\
         ResultsFileChooserDialog,\
         SingleDiffiesFileChooserDialog as DiffiesFileChooserDialog
    use_html = False


class ScanChooser(HIGVBox):
    def __init__(self, scan_dict, num=""):
        HIGVBox.__init__(self)
        self.num = num
        self.scan_dict = scan_dict
        
        # Setting HIGVBox
        self.set_border_width(5)
        self.set_spacing(6)
        
        self._create_widgets()
        self._pack_hbox()
        self._attaching_widgets()
        self._set_scrolled()
        self._set_text_view()
        self._set_open_button()
        
        for scan in scan_dict:
            self.list_scan.append([scan])
        
        self.combo_scan.connect('changed', self.show_scan)
        
        self._pack_noexpand_nofill(self.lbl_scan)
        self._pack_expand_fill(self.hbox)
    
    def _create_widgets(self):
        self.lbl_scan = HIGSectionLabel("%s %s"%(_("Scan Result"),
                                                 str(self.num)))
        self.hbox = HIGHBox()
        self.table = HIGTable()
        self.list_scan = gtk.ListStore(str)
        self.combo_scan = gtk.ComboBoxEntry(self.list_scan, 0)
        self.btn_open_scan = gtk.Button(stock=gtk.STOCK_OPEN)
        self.exp_scan = gtk.Expander(_("Scan Result Visualization"))
        self.scrolled = gtk.ScrolledWindow()
        self.txt_scan_result = gtk.TextView()
        self.txg_tag = gtk.TextTag("scan_style")

    def get_buffer(self):
        return self.txt_scan_result.get_buffer()

    def show_scan (self, widget):
        self.txt_scan_result.get_buffer().\
             set_text(self.normalize_output(\
                 self.scan_dict[widget.child.get_text()].nmap_output))

    def normalize_output(self, output):
        return "\n".join(output.split("\\n"))

    def _pack_hbox (self):
        self.hbox._pack_noexpand_nofill(hig_box_space_holder())
        self.hbox._pack_expand_fill(self.table)

    def _attaching_widgets (self):
        self.table.attach(self.combo_scan, 0,1,0,1, yoptions=0)
        self.table.attach(self.btn_open_scan, 1,2,0,1, yoptions=0, xoptions=0)
        self.table.attach(self.exp_scan, 0,2,1,2)
    
    def _set_scrolled(self):
        self.scrolled.set_border_width(5)
        self.scrolled.set_size_request(-1, 160)
        
        # Packing scrolled window into expander
        self.exp_scan.add(self.scrolled)
        
        # Packing text view into scrolled window
        self.scrolled.add_with_viewport(self.txt_scan_result)
        
        # Setting scrolled window
        self.scrolled.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
    
    def _set_text_view (self):
        self.txg_table = self.txt_scan_result.get_buffer().get_tag_table()
        self.txg_table.add(self.txg_tag)
        self.txg_tag.set_property("family", "Monospace")
        
        self.txt_scan_result.set_wrap_mode(gtk.WRAP_WORD)
        self.txt_scan_result.set_editable(False)
        self.txt_scan_result.get_buffer().connect("changed",
                                                  self._text_changed_cb)

    def _set_open_button (self):
        self.btn_open_scan.connect('clicked', self.open_file)
    
    def open_file (self, widget):
        file_chooser = ResultsFileChooserDialog(_("Select Scan Result"))
        
        file_chooser.run()
        file_chosen = file_chooser.get_filename()
        file_chooser.destroy()

        if check_access(file_chosen, os.R_OK):
            try:
                parser = NmapParser(file_chosen)
                parser.parse()
            except:
                alert = HIGAlertDialog(
                    message_format='<b>%s</b>' % _('File is not a Umit \
Scan Result'),
                    secondary_text=_("Selected file is not a Umit Scan \
Result file. Umit can not parse this file. Please, select another."))
                alert.run()
                alert.destroy()
                return False

            scan_name = os.path.split(file_chosen)[-1]
            self.add_scan(scan_name, parser)
            
            self.combo_scan.set_active(len(self.list_scan) - 1)
        else:
            alert = HIGAlertDialog(
                    message_format='<b>%s</b>' % \
                                   _('Can not open selected file'),
                    secondary_text=_("Umit can not open selected file. Please, \
select another."))
            alert.run()
            alert.destroy()

    def add_scan(self, scan_name, parser):
        scan_id = 1
        new_scan_name = scan_name
        while new_scan_name in self.scan_dict.keys():
            new_scan_name = "%s (%s)" % (scan_name, scan_id)
            scan_id += 1
                
        self.list_scan.append([new_scan_name])
        self.scan_dict[new_scan_name] = parser
    
    def _text_changed_cb (self, widget):
        buff = self.txt_scan_result.get_buffer ()
        buff.apply_tag(self.txg_tag, buff.get_start_iter(), buff.get_end_iter())

    def get_nmap_output(self):
        parsed = self.parsed_scan
        if parsed:
            return parsed.nmap_output
        return False

    def get_parsed_scan(self):
        selected_scan = self.combo_scan.child.get_text()
        if selected_scan:
            return self.scan_dict[selected_scan]
        return False

    nmap_output = property(get_nmap_output)
    parsed_scan = property(get_parsed_scan)


class DiffWindow(gtk.Window):
    def __init__(self, scans):
        """scans in the format: {"scan_title":parsed_scan}
        """
        gtk.Window.__init__(self)
        self.set_title(_("Compare Results"))
        self.scans = scans

        self.umit_conf = UmitConf()
        self.colors = Colors()
        
        # Diff views
        self.text_view = DiffText(self.colors, self.umit_conf.colored_diff)
        self.compare_view = DiffTree(self.colors)

        self._create_widgets()
        self._pack_widgets()
        self._connect_widgets()


        # Settings
        if self.umit_conf.diff_mode == "text":
            self.text_mode.set_active(True)
        else:
            self.compare_mode.set_active(True)
        self.check_color.set_active(self.umit_conf.colored_diff)

        # Initial Size Request
        self.initial_size = self.size_request()

    def _show_help(self, action):
        webbrowser.open("file://%s" % os.path.join(Path.docs_dir, "help.html"),
                        new=2)

    def _create_widgets(self):
        self.main_vbox = HIGVBox()
        self.hbox_mode = HIGHBox()
        self.hbox_settings = HIGHBox()
        self.hbox_buttons = HIGHBox()
        self.hbox_result = HIGHBox()
        self.btn_open_browser = HIGButton(_("Open in Browser"),
                                          stock=gtk.STOCK_EXECUTE)
        self.btn_help = HIGButton(stock=gtk.STOCK_HELP)
        self.btn_close = HIGButton(stock=gtk.STOCK_CLOSE)
        self.check_color = gtk.CheckButton(_("Enable colored diffies"))
        self.btn_legend = HIGButton(_("Color Descriptions"),
                                    stock=gtk.STOCK_SELECT_COLOR)
        self.text_mode = gtk.ToggleButton(_("Text Mode"))
        self.compare_mode = gtk.ToggleButton(_("Compare Mode"))
        self.vpaned = gtk.VPaned()
        self.hpaned = gtk.HPaned()
        self.scan_chooser1 = ScanChooser(self.scans, "1")
        self.scan_chooser2 = ScanChooser(self.scans, "2")
        self.scan_buffer1 = self.scan_chooser1.get_buffer()
        self.scan_buffer2 = self.scan_chooser2.get_buffer()

    def _pack_widgets(self):
        self.main_vbox.set_border_width(6)
        
        self.vpaned.pack1(self.hpaned, True, False)
        self.vpaned.pack2(self.hbox_result)
        self.hpaned.pack1(self.scan_chooser1, True, False)
        self.hpaned.pack2(self.scan_chooser2, True, False)

        self.hbox_buttons._pack_expand_fill(self.btn_help)
        self.hbox_buttons._pack_expand_fill(self.btn_legend)
        self.hbox_buttons._pack_expand_fill(self.btn_open_browser)
        self.hbox_buttons._pack_expand_fill(self.btn_close)
        self.hbox_buttons.set_homogeneous(True)

        self.hbox_mode.set_homogeneous(True)
        self.hbox_mode.pack_start(self.text_mode)
        self.hbox_mode.pack_start(self.compare_mode)
        self.hbox_settings._pack_noexpand_nofill(self.hbox_mode)
        self.hbox_settings._pack_expand_fill(self.check_color)

        self.main_vbox._pack_expand_fill(self.vpaned)
        self.main_vbox._pack_noexpand_nofill(self.hbox_settings)
        self.main_vbox._pack_noexpand_nofill(self.hbox_buttons)

        self.add(self.main_vbox)

    def _connect_widgets(self):
        self.connect("delete-event", self.close)
        self.btn_legend.connect("clicked", self.show_legend_window)
        self.btn_help.connect("clicked", self._show_help)
        self.btn_close.connect("clicked", self.close)
        self.btn_open_browser.connect("clicked", self.open_browser)
        self.check_color.connect("toggled", self._set_color)
        self.text_mode.connect("clicked", self._change_to_text)
        self.compare_mode.connect("clicked", self._change_to_compare)
        self.scan_chooser1.exp_scan.connect('activate', self.resize_vpane)
        self.scan_chooser2.exp_scan.connect('activate', self.resize_vpane)
        self.scan_buffer1.connect('changed', self.text_changed)
        self.scan_buffer2.connect('changed', self.text_changed)

    def open_browser(self, widget):
        text1=self.scan_buffer1.get_text(self.scan_buffer1.get_start_iter(),\
                                self.scan_buffer1.get_end_iter())
        text2=self.scan_buffer2.get_text(self.scan_buffer2.get_start_iter(),\
                                self.scan_buffer2.get_end_iter())

        if not text1 or not text2:
            alert = HIGAlertDialog(
                    message_format='<b>'+_('Select Scan')+'</b>',
                    secondary_text=_("You must select two different scans to \
generate diff."))
            alert.run()
            alert.destroy()
            return False
        
        text1 = text1.split('\n')
        text2 = text2.split('\n')
        
        self.temp_view = mktemp('.html')
        
        text1 = [text+'\n' for text in text1]
        text2 = [text+'\n' for text in text2]
        
        if use_html:
            diff = DiffHtml(text1, text2)
            diff = diff.generate()

            file_desc = open(self.temp_view, 'w')
            file_desc.write(''.join(diff))

            # Closing file to avoid problems with file descriptors
            file_desc.close()
        else:
            diff = Diff(text1, text2)
            diff = diff.generate ()
            diff.insert(0, '''<pre>(This diff is been shown in pure text \
because you dont have Python 2.4 or higher.)\n''')
            diff.append('</pre>')

            file_desc = open(self.temp_view, 'w')
            file_desc.writelines(diff)

            # Closing file to avoid problems with file descriptors
            file_desc.close()
        
        webbrowser.open("file://" + self.temp_view, autoraise=1)

    def show_legend_window(self, widget):
        legend_window = DiffLegendWindow(self.colors)
        legend_window.run()
        legend_window.destroy()
        self.text_changed(None)

    def text_changed (self, widget):
        text1 = self.scan_buffer1.get_text(self.scan_buffer1.get_start_iter(),\
                                           self.scan_buffer1.get_end_iter())
        text2 = self.scan_buffer2.get_text(self.scan_buffer2.get_start_iter(),\
                                           self.scan_buffer2.get_end_iter())

        if text1 != '' and text2 != '':
            if self.compare_mode.get_active():
                self.compare_view.make_diff(self.scan_chooser1.parsed_scan,
                                            self.scan_chooser2.parsed_scan)
                self.compare_view.activate_color(self.check_color.get_active())
            else:
                self.text1 = text1.split ('\n')
                self.text2 = text2.split ('\n')
            
                self.diff = Diff(self.text1, self.text2)
                self.text_view.txt_diff_result.get_buffer().set_text\
                               ('\n'.join(self.diff.generate_without_banner()))
                self.text_view.activate_color(self.check_color.get_active())
                self.text_view._text_changed(None)

    def resize_vpane(self, widget):
        exp1 = not widget.get_expanded()
        if widget == self.scan_chooser1.exp_scan:
            exp2 = self.scan_chooser2.exp_scan.get_expanded()
        else:
            exp2 = self.scan_chooser1.exp_scan.get_expanded()

        if not exp1 and not exp2:
            self.vpaned.compute_position(-1, 0, 500)
            self.size_allocate(gtk.gdk.Rectangle(width=self.initial_size[0],
                                                 height=self.initial_size[1]))
            self.queue_resize()

    def _change_to_text(self, widget):
        if not widget.get_active():
            return

        self.umit_conf.diff_mode = "text"

        children = self.hbox_result.get_children()
        if children:
            self.hbox_result.remove(children[0])
            self.compare_view.hide()
        
        self.hbox_result._pack_expand_fill(self.text_view)
        self.text_view.show_all()
        
        self.compare_mode.set_active(False)
        self.text_changed(None)

    def _change_to_compare(self, widget):
        if not widget.get_active():
            return

        self.umit_conf.diff_mode = "compare"

        children = self.hbox_result.get_children()
        if children:
            self.hbox_result.remove(children[0])
            self.text_view.hide()
        
        self.hbox_result._pack_expand_fill(self.compare_view)
        self.compare_view.show_all()
        
        self.text_mode.set_active(False)
        self.text_changed(None)

    def _set_color(self, widget):
        activate = widget.get_active()
        self.umit_conf.colored_diff = activate
        self.compare_view.activate_color(activate)
        self.text_view.activate_color(activate)

    def close(self, widget=None, extra=None):
        self.destroy()

class DiffText(HIGVBox, object):
    def __init__ (self, colors, check_color):
        HIGVBox.__init__(self)
        self.set_border_width(5)
        self.set_spacing(6)

        self.colors = colors
        self.check_color = check_color
        
        self._create_widgets()
        self._pack_hbox()
        self._set_text_view()
        self._set_scrolled()
        
        self._pack_noexpand_nofill(self.lbl_diff)
        self._pack_expand_fill(self.hbox)
    
    def _create_widgets (self):
        self.hbox = HIGHBox ()
        self.lbl_diff = HIGSectionLabel ("<b>%s</b>" % _("Diff Result"))
        self.scrolled = gtk.ScrolledWindow()
        self.txt_diff_result = gtk.TextView()
        self.txg_tag = gtk.TextTag ("diff_style")
        self.txg_added = gtk.TextTag ('added style')
        self.txg_removed = gtk.TextTag ('removed style')

    def _pack_hbox (self):
        self.hbox.set_border_width(5)
        self.hbox._pack_noexpand_nofill (hig_box_space_holder())
        self.hbox._pack_expand_fill(self.scrolled)

    def _set_scrolled (self):
        self.scrolled.set_size_request(-1, 250)
        
        # Packing text view into scrolled window
        self.scrolled.add_with_viewport(self.txt_diff_result)
        
        # Setting scrolled window
        self.scrolled.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)

    def activate_color(self, activate):
        self.check_color = activate
        self._text_changed(None)
    
    def _set_text_view (self):
        self.txg_table = self.txt_diff_result.get_buffer().get_tag_table()
        self.txg_table.add(self.txg_tag)
        self.txg_table.add(self.txg_added)
        self.txg_table.add(self.txg_removed)
        self.txg_tag.set_property("family", "Monospace")
        self.txg_added.set_property("background-gdk", self.colors.added)
        self.txg_removed.set_property("background-gdk", self.colors.not_present)
        
        self.txt_diff_result.set_wrap_mode(gtk.WRAP_WORD)
        self.txt_diff_result.set_editable(False)
        self.txt_diff_result.get_buffer().connect("changed", self._text_changed)
        
    def _text_changed (self, widget):
        self.txg_added.set_property("background-gdk", self.colors.added)
        self.txg_removed.set_property("background-gdk", self.colors.not_present)
        
        buff = self.txt_diff_result.get_buffer()

        buff.apply_tag(self.txg_tag, buff.get_start_iter(), buff.get_end_iter())

        if self.check_color:
            positions = self._take_changes(buff)
            
            for i in positions['added']:
                buff.apply_tag(self.txg_added, i[0],i[1])
            
            for i in positions['removed']:
                buff.apply_tag(self.txg_removed, i[0], i[1])
        else:
            buff.remove_tag(self.txg_added, buff.get_start_iter(),
                            buff.get_end_iter())
            buff.remove_tag(self.txg_removed, buff.get_start_iter(),
                            buff.get_end_iter())

    def _take_changes (self, buffer):
        positions = {'added':[], 'removed':[]}

        in_line = 0
        type = ''

        iter = buffer.get_start_iter ()
        last_char = '\n'

        while iter.forward_char():
            char = iter.get_char ()
            offset = iter.get_offset()
            if not in_line:
                pos = []
                if char == '+' and last_char == '\n':
                    pos.append (buffer.get_iter_at_offset(offset))
                    type = 'added'
                    in_line = 1
                elif char == '-' and last_char == '\n':
                    pos.append (buffer.get_iter_at_offset(offset))
                    type = 'removed'
                    in_line = 1
            else:
                if char == '\n':
                    pos.append (buffer.get_iter_at_offset(offset))
                    positions [type].append (pos)
                    in_line = 0
                    type = ''
            last_char = char
        
        return positions


class DiffTree(HIGVBox, object):
    def __init__(self, colors):
        HIGVBox.__init__(self)

        self.colors = colors
        self.set_border_width(5)
        self.set_spacing(6)

        self._create_widgets()
        self._set_diff_view()
        self._pack_widgets()

    def _create_widgets(self):
        self.diff_box = HIGHBox()
        self.diff_title = HIGSectionLabel("Comparison")
        self.diff_scrolled = gtk.ScrolledWindow()
        self.diff_tree = gtk.TreeStore(str, str, str, str, str, str)
        self.diff_view = gtk.TreeView(self.diff_tree)
        self.diff_column1 = gtk.TreeViewColumn("")
        self.diff_column2 = gtk.TreeViewColumn(_("Section"))
        self.diff_column3 = gtk.TreeViewColumn(_("Property"))
        self.diff_column4 = gtk.TreeViewColumn(_("Original value"))
        self.diff_column5 = gtk.TreeViewColumn(_("Current value"))
        self.diff_cell = gtk.CellRendererText()


    def activate_color(self, activate):
        if activate:
            self.diff_column1.set_attributes(self.diff_cell,
                                             text=0,
                                             background=5)
            self.diff_column2.set_attributes(self.diff_cell,
                                             text=1,
                                             background=5)
            self.diff_column3.set_attributes(self.diff_cell,
                                             text=2,
                                             background=5)
            self.diff_column4.set_attributes(self.diff_cell,
                                             text=3,
                                             background=5)
            self.diff_column5.set_attributes(self.diff_cell,
                                             text=4,
                                             background=5)
        else:
            self.diff_column1.clear_attributes(self.diff_cell)
            self.diff_column2.clear_attributes(self.diff_cell)
            self.diff_column3.clear_attributes(self.diff_cell)
            self.diff_column4.clear_attributes(self.diff_cell)
            self.diff_column5.clear_attributes(self.diff_cell)
            
            self.diff_column1.set_attributes(self.diff_cell, text=0)
            self.diff_column2.set_attributes(self.diff_cell, text=1)
            self.diff_column3.set_attributes(self.diff_cell, text=2)
            self.diff_column4.set_attributes(self.diff_cell, text=3)
            self.diff_column5.set_attributes(self.diff_cell, text=4)

            self.diff_cell.set_property("background", "white")

    def _set_diff_view(self):
        font_desc = pango.FontDescription("monospace normal 9")
        self.diff_cell.set_property("font-desc", font_desc)
        
        self.diff_scrolled.set_size_request(-1, 260)
        self.diff_view.set_enable_search(True)
        self.diff_view.set_search_column(2)

        selection = self.diff_view.get_selection()
        selection.set_mode(gtk.SELECTION_MULTIPLE)

        self.diff_view.append_column(self.diff_column1)
        self.diff_view.append_column(self.diff_column2)
        self.diff_view.append_column(self.diff_column3)
        self.diff_view.append_column(self.diff_column4)
        self.diff_view.append_column(self.diff_column5)

        # Diff Column 1
        self.diff_column1.set_reorderable(True)
        self.diff_column1.set_resizable(True)
        self.diff_column1.connect("clicked", self.search_column, 0)
        self.diff_column1.set_sort_column_id(0)
        self.diff_column1.pack_start(self.diff_cell, True)
        self.diff_column1.set_attributes(self.diff_cell, text=0)
        

        # Diff Column 2
        self.diff_column2.set_reorderable(True)
        self.diff_column2.set_resizable(True)
        self.diff_column2.connect("clicked", self.search_column, 1)
        self.diff_column2.set_sort_column_id(1)
        self.diff_column2.pack_start(self.diff_cell, True)
        self.diff_column2.set_attributes(self.diff_cell, text=1)

        # Diff Column 3
        self.diff_column3.set_reorderable(True)
        self.diff_column3.set_resizable(True)
        self.diff_column3.connect("clicked", self.search_column, 2)
        self.diff_column3.set_sort_column_id(2)
        self.diff_column3.pack_start(self.diff_cell, True)
        self.diff_column3.set_attributes(self.diff_cell, text=2)

        # Diff Column 4
        self.diff_column4.set_reorderable(True)
        self.diff_column4.set_resizable(True)
        self.diff_column4.connect("clicked", self.search_column, 3)
        self.diff_column4.set_sort_column_id(3)
        self.diff_column4.pack_start(self.diff_cell, True)
        self.diff_column4.set_attributes(self.diff_cell, text=3)

        # Diff Column 5
        self.diff_column5.set_reorderable(True)
        self.diff_column5.set_resizable(True)
        self.diff_column5.connect("clicked", self.search_column, 4)
        self.diff_column5.set_sort_column_id(4)
        self.diff_column5.pack_start(self.diff_cell, True)
        self.diff_column5.set_attributes(self.diff_cell, text=4)

        self.diff_scrolled.set_policy(gtk.POLICY_AUTOMATIC,
                                      gtk.POLICY_AUTOMATIC)

    def clear_diff_tree(self):
        for i in range(len(self.diff_tree)):
            iter = self.diff_tree.get_iter_root()
            del(self.diff_tree[iter])

    def change_status(self, iter, status):
        self.diff_tree[iter][0] = status
        self.diff_tree[iter][5] = self.colors.get_hex_color(status)

    def set_parent_status(self, parent, status):
        if status != "" and status.upper() != "U":
            while parent:
                self.change_status(parent, "M")
                parent = self.diff_tree.iter_parent(parent)
        
    def make_diff(self, parsed1, parsed2):
        self.clear_diff_tree()

        section = _("Umit Info")
        parent = self.append_parent(None, section, "")
        self.diff_it(parent, "", _("Profile"), parsed1.profile, parsed2.profile)
        self.diff_it(parent, "", _("Profile Name"), parsed1.profile_name,
                     parsed2.profile_name)
        self.diff_it(parent, "", _("Profile Options"), parsed1.profile_options,
                     parsed2.profile_options)
        self.diff_it(parent, "", _("Target"), parsed1.target, parsed2.target)

        section = _("Nmap Info")
        parent = self.append_parent(None, section, "")
        
        self.diff_it(parent, "", _("Debugging"), parsed1.debugging_level,
                     parsed2.debugging_level)
        self.diff_it(parent, "", _("Verbosity"), parsed1.verbose_level,
                     parsed2.verbose_level)
        self.diff_it(parent, "", _("Command"), parsed1.nmap_command,
                     parsed2.nmap_command)
        self.diff_it(parent, "", _("Scanner version"), parsed1.scanner_version,
                     parsed2.scanner_version)

        section = _("Scan Info")
        parent = self.append_parent(None, section, "")
        
        self.diff_it(parent, "", _("Open Ports"), parsed1.open_ports,
                     parsed2.open_ports)
        self.diff_it(parent, "", _("Filtered Ports"), parsed1.filtered_ports,
                     parsed2.filtered_ports)
        self.diff_it(parent, "", _("Closed Ports"), parsed1.closed_ports,
                     parsed2.closed_ports)
        self.diff_it(parent, "", _("Hosts Up"), parsed1.hosts_up,
                     parsed2.hosts_up)
        self.diff_it(parent, "", _("Hosts Down"), parsed1.hosts_down,
                     parsed2.hosts_down)
        self.diff_it(parent, "", _("Hosts Scanned"), parsed1.hosts_scanned,
                     parsed2.hosts_scanned)
        self.diff_it(parent, "", _("Finish date"), parsed1.formated_finish_date,
                     parsed2.formated_finish_date)

        hosts1 = parsed1.hosts[:]
        hosts2 = parsed2.hosts[:]
        while hosts1:
            host = hosts1.pop()
            
            second_host = HostInfo(0)
            host_state = "N"
            for host2 in hosts2:
                if (host.mac and host.mac == host2.mac) or \
                       (host.ip and host.ip == host2.ip) or \
                       (host.ipv6 and host.ipv6 == host2.ipv6):
                    second_host = host2
                    host_state = ""
                    
                    del(hosts2[hosts2.index(host2)]) # Remove it from the hosts2
                    break

            self.add_host_diff(host_state, host, second_host)

        for host in hosts2:
            self.add_host_diff("A", host, host)

    def add_host_diff(self, host_state, host, host2=None):
            section = _("Host")
            if host.ip:
                section = _("Host %s") % (host.ip["addr"])
            elif host.ipv6:
                section = _("Host %s") % (host.ipv6["addr"])
            elif host.mac:
                section = _("Host %s") % (host.mac["addr"])

            parent = self.append_parent(None, section, host_state)

            self.diff_it(parent, "", _("Comment"), host.comment,
                         host2.comment)
            self.diff_it(parent,
                         "",
                         _("LastBoot"),
                         host.uptime.get("lastboot", ""),
                         host2.uptime.get("lastboot", ""))
            self.diff_it(parent,
                         "",
                         _("OS Match"),
                         host.osmatch.get("name", ""),
                         host2.osmatch.get("name", ""))


            host_ports = host.ports[:]
            host2_ports = host2.ports[:]
            for port in xrange(len(host_ports)):
                # Making sure that extraports1 will get a sanity 
                # value to be processed
                try:
                    extraports1 = host_ports[port].get("extraports", [])
                except:
                    extraports1 = {}
                else:
                    if len(extraports1) == 0:
                        extraports1 = {}
                    elif len(extraports1) == 1:
                        extraports1 = extraports1[0]

                # Making sure that extraports2 will get a sanity
                # value to be processed
                try:
                    extraports2 = host2_ports[port].get("extraports", [])
                except:
                    extraports2 = {}
                else:
                    if len(extraports2) == 0:
                        extraports2 = {}
                    elif len(extraports2) == 1:
                        extraports2 = extraports2[0]

                
                if extraports1 and extraports2:
                    self.add_extraports_diff(parent,
                                             "",
                                             extraports1,
                                             extraports2)
                elif extraports1 and not extraports2:
                    self.add_extraports_diff(parent,
                                             "N",
                                             extraports1,
                                             extraports2)
                elif not extraports1 and extraports2:
                    self.add_extraports_diff(parent,
                                             "A",
                                             extraports1,
                                             extraports2)

                section =  _("Ports")
                parent = self.append_parent(parent, section, "")


                # Making sure that ports1 will get a sanity
                # value to be processed
                try:
                    ports1 = host_ports[port].get("port", [])
                except:
                    ports1 = {}
                else:
                    if len(ports1) == 0:
                        ports1 = {}
                    elif len(ports1) == 1:
                        ports1 = ports1[0]

                # Making sure that ports2 will get a sanity
                # value to be processed
                try:
                    ports2 = host2_ports[port].get("port", [])
                except:
                    ports2 = {}
                else:
                    if len(ports2) == 0:
                        ports2 = [{}]
                    elif len(ports2) == 1:
                        ports2 = ports2[0]
                
                if type(ports2)!= type([]):
                    ports2 = [ports2]

                if type(ports1) != type([]):
                    ports1 = [ports1]

                for p1 in ports1:
                    if not p1:
                        continue

                    p2 = [port2 for port2 in ports2 \
                          if port2.get("portid", "a") == p1.get("portid", "b")]
                    
                    if p2: # Removing found port
                        ports2.remove(p2[0])

                    if p1 and p2:
                        self.add_port_diff(parent, "", p1, p2[0])
                    elif p1 and not p2:
                        self.add_port_diff(parent, "N", p1, {})

                for p2 in ports2: # If there is something left...
                    self.add_port_diff(parent, "A", {}, p2)
            

    def add_port_diff(self, port_parent, state, port1, port2):
        if (port1 or port2) and (type(port1) == type({})) and\
           (type(port2) == type({})):
            section = port1.get("portid", False)
            if not section: # If port1 is empty, then, try port2
                section = port2.get("portid", "")
            
            parent = self.append_parent(port_parent, section, state)

            self.diff_it(parent, "",
                         _("State"), port1.get("port_state", ""),
                         port2.get("port_state", ""))
            
            self.diff_it(parent, "",
                         _("Service Name"), port1.get("service_name", ""),
                         port2.get("service_name", ""))
                
            self.diff_it(parent, "",
                         _("Product"), port1.get("service_product", ""),
                         port2.get("service_product", ""))
            
            self.diff_it(parent, "",
                         _("Service Version"), port1.get("service_version", ""),
                         port2.get("service_version", ""))
            
            self.diff_it(parent, "",
                         _("Protocol"), port1.get("protocol", ""),
                         port2.get("protocol", ""))
                
            self.diff_it(parent, "",
                         _("Extra Info"), port1.get("service_extrainfo", ""),
                         port2.get("service_extrainfo", ""))
            
            self.diff_it(parent, "",
                         _("Service Conf"), port1.get("service_conf", ""),
                         port2.get("service_conf", ""))

            # Last parent status modification
            if state.upper() == "A":
                self.change_status(parent, "A")

    def add_extraports_diff(self, host_parent, state, extraports1, extraports2):
        if extraports1 or extraports2:
            section =  _("Extraports")
            parent = self.append_parent(host_parent, section, state)
            self.set_parent_status(parent, state)
            
            self.diff_it(parent, "", _("Count"), extraports1.get("count"),
                         extraports2.get("count"))
            self.diff_it(parent, "", _("State"), extraports1.get("state"),
                         extraports2.get("state"))


    def diff_it(self, parent, section, prop_name, prop1, prop2):
        if prop1 or prop2:
            state = diff_state(prop1, prop2)
            self.set_parent_status(parent, state)
            self.diff_tree.append(parent, [state,
                                           section,
                                           prop_name,
                                           prop1,
                                           prop2,
                                           self.colors.get_hex_color(state)])
            return state

    def append_parent(self, parent, section, state):
        self.set_parent_status(parent, state)
        return self.diff_tree.append(parent, [state, section, "", "", "",
                                              self.colors.get_hex_color(state)])

    def search_column(self, widget, column_id):
        self.diff_view.set_search_column(column_id)

    def _pack_widgets(self):
        self._pack_noexpand_nofill(self.diff_title)
        self._pack_expand_fill(self.diff_box)
        self.diff_box._pack_noexpand_nofill(hig_box_space_holder())
        self.diff_box._pack_expand_fill(self.diff_scrolled)

        self.diff_scrolled.add(self.diff_view)

class DiffLegendWindow(HIGDialog, object):
    def __init__(self, colors):
        # Shows colors and chars legend
        HIGDialog.__init__(self, title=_('Color Descriptions'),
                          buttons=(gtk.STOCK_OK, gtk.RESPONSE_ACCEPT))

        self.colors = colors
        self._create_widgets()
        self._pack_widgets()
        self._connect_widgets()

    def _create_widgets(self):
        self.table = HIGTable()
        
        self.unchanged_button = gtk.ColorButton(self.colors.unchanged)
        self.unchanged_label = gtk.Label(_("Property remained <b>U</b>nchanged"))
        
        self.added_button = gtk.ColorButton(self.colors.added)
        self.added_label = gtk.Label(_("Property was <b>A</b>dded"))
        
        self.modified_button = gtk.ColorButton(self.colors.modified)
        self.modified_label = gtk.Label(_("Property was <b>M</b>odified"))
        
        self.not_present_button = gtk.ColorButton(self.colors.not_present)
        self.not_present_label = gtk.Label(_("Property is <b>N</b>ot present"))

    def _pack_widgets(self):
        self.unchanged_label.set_use_markup(True)
        self.added_label.set_use_markup(True)
        self.modified_label.set_use_markup(True)
        self.not_present_label.set_use_markup(True)

        self.table.attach_label(self.unchanged_button, 0, 1, 0, 1)
        self.table.attach_entry(self.unchanged_label, 1, 2, 0, 1)

        self.table.attach_label(self.added_button, 0, 1, 1, 2)
        self.table.attach_entry(self.added_label, 1, 2, 1, 2)

        self.table.attach_label(self.modified_button, 0, 1, 2, 3)
        self.table.attach_entry(self.modified_label, 1, 2, 2, 3)

        self.table.attach_label(self.not_present_button, 0, 1, 3, 4)
        self.table.attach_entry(self.not_present_label, 1, 2, 3, 4)

        self.vbox.pack_start(self.table)
        self.vbox.show_all()

    def _connect_widgets(self):
        self.unchanged_button.connect("color-set",
                                      self.set_color,
                                      "unchanged")
        self.added_button.connect("color-set",
                                  self.set_color,
                                  "added")
        self.modified_button.connect("color-set",
                                     self.set_color,
                                     "modified")
        self.not_present_button.connect("color-set",
                                        self.set_color,
                                        "not_present")

    def set_color(self, widget, prop):
        self.colors.__setattr__(prop, widget.get_color())

class Colors(object):
    def __init__(self):
        self.diff_colors = DiffColors()

    def get_unchanged(self):
        return gtk.gdk.Color(*self.diff_colors.unchanged)

    def set_unchanged(self, color):
        if type(color) == type([]) or type(color) in StringTypes:
            self.diff_colors.unchanged = color
        else:
            self.diff_colors.unchanged = [color.red, color.green, color.blue]

    def get_added(self):
        return gtk.gdk.Color(*self.diff_colors.added)

    def set_added(self, color):
        if type(color) == type([]) or type(color) in StringTypes:
            self.diff_colors.added = color
        else:
            self.diff_colors.added = [color.red, color.green, color.blue]

    def get_modified(self):
        return gtk.gdk.Color(*self.diff_colors.modified)

    def set_modified(self, color):
        if type(color) == type([]) or type(color) in StringTypes:
            self.diff_colors.modified = color
        else:
            self.diff_colors.modified = [color.red, color.green, color.blue]

    def get_not_present(self):
        return gtk.gdk.Color(*self.diff_colors.not_present)

    def set_not_present(self, color):
        if type(color) == type([]) or type(color) in StringTypes:
            self.diff_colors.not_present = color
        else:
            self.diff_colors.not_present = [color.red, color.green, color.blue]

    def get_hex_unchanged(self):
        return self._get_hex(self.unchanged)

    def get_hex_added(self):
        return self._get_hex(self.added)

    def get_hex_modified(self):
        return self._get_hex(self.modified)

    def get_hex_not_present(self):
        return self._get_hex(self.not_present)

    def _get_hex(self, color):
        if type(color) == type([]):
            return "#%4s%4s%4s" % (hex(color[0])[2:].zfill(4),
                                   hex(color[1])[2:].zfill(4),
                                   hex(color[2])[2:].zfill(4))
        else:
            return "#%4s%4s%4s" % (hex(color.red)[2:].zfill(4),
                                   hex(color.green)[2:].zfill(4),
                                   hex(color.blue)[2:].zfill(4))

    def get_hex_color(self, state):
        state = state.upper()
        
        if state == "A":
            return self.hex_added
        elif state == "M":
            return self.hex_modified
        elif state == "N":
            return self.hex_not_present
        else:
            return self.hex_unchanged
    
    unchanged = property(get_unchanged, set_unchanged)
    added = property(get_added, set_added)
    modified = property(get_modified, set_modified)
    not_present = property(get_not_present, set_not_present)

    hex_unchanged = property(get_hex_unchanged)
    hex_added = property(get_hex_added)
    hex_modified = property(get_hex_modified)
    hex_not_present = property(get_hex_not_present)


def diff_state(prop1, prop2):
    if prop1 == prop2:
        return "U" # Property remained "Unchanged" at the second scan
    elif prop1 == "" and prop2 != "":
        return "A" # Property "Added" at the second scan
    elif prop1 != "" and prop2 != "":
        return "M" # Property "Modified" at the second scan
    else:
        return "N" # Property "Not present" at the second scan


if __name__ == "__main__":
    from umitCore.NmapParser import NmapParser

    parsed1 = NmapParser("test/xml_test1.xml")
    parsed2 = NmapParser("test/xml_test2.xml")
    parsed3 = NmapParser("test/xml_test3.xml")
    parsed4 = NmapParser("test/xml_test4.xml")

    parsed1.parse()
    parsed2.parse()
    parsed3.parse()
    parsed4.parse()
    
    dw = DiffWindow({"Parsed 1": parsed1,
                     "Parsed 2": parsed2,
                     "Parsed 3": parsed3,
                     "Parsed 4": parsed4})

    dw.show_all()
    dw.connect("delete-event", lambda x,y: gtk.main_quit())

    gtk.main()

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