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NmapOutputViewer.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Copyright (C) 2005 Insecure.Com LLC.
#
# Author: Adriano Monteiro Marques <py.adriano@gmail.com>
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

import locale
import sys
import gobject
import gtk
import gtk.gdk
import pango
import re

import zenmapCore.I18N
from zenmapCore.UmitLogging import log
from zenmapCore.UmitConf import NmapOutputHighlight

from zenmapGUI.NmapOutputProperties import NmapOutputProperties

class NmapOutputViewer (gtk.VBox):
    def __init__ (self, refresh=1, stop=1):
        self.nmap_highlight = NmapOutputHighlight()
        gtk.VBox.__init__ (self)
        
        # Creating widgets
        self.__create_widgets()
        
        # Setting scrolled window
        self.__set_scrolled_window()
        
        # Setting text view
        self.__set_text_view()
        
        buffer = self.text_view.get_buffer()
        # The end mark is used to scroll to the bottom of the display.
        self.end_mark = buffer.create_mark(None, buffer.get_end_iter(), False)

        self.refreshing = True
        
        # Adding widgets to the VBox
        self.pack_start(self.scrolled, expand = True, fill = True)
        
        # The NmapCommand instance, if any, whose output is shown in this
        # display.
        self.command_execution = None
        self.nmap_previous_output = ''

    def __create_widgets (self):
        # Creating widgets
        self.scrolled = gtk.ScrolledWindow ()
        self.text_view = gtk.TextView ()
        self.txg_font = gtk.TextTag()
        self.txg_date = gtk.TextTag()
    
    def __set_scrolled_window (self):
        # Seting scrolled window
        self.scrolled.set_border_width (5)
        self.scrolled.add(self.text_view)
        self.scrolled.set_policy (gtk.POLICY_AUTOMATIC,gtk.POLICY_AUTOMATIC)
    
    def __set_text_view(self):
        self.text_view.set_wrap_mode(gtk.WRAP_WORD)
        self.text_view.set_editable(False)
        
        self.txg_output = self.text_view.get_buffer().get_tag_table()
        self.txg_output.add(self.txg_font)
        self.txg_font.set_property("family", "Monospace")
        self.text_view.get_buffer().connect ("changed", self.__text_changed_cb)

    def __text_changed_cb (self, widget):
        buff = self.text_view.get_buffer ()
        buff.apply_tag(self.txg_font, buff.get_start_iter(), buff.get_end_iter())
        self.update_output_colors()
        
    def go_to_host(self, host):
        """Go to host line on nmap output result"""
        buff = self.text_view.get_buffer()
        start_iter, end_iter = buff.get_bounds()

        output = buff.get_text(start_iter, end_iter).split("\n")
        re_host = re.compile("%s\s{0,1}:" % re.escape(host))

        for i in xrange(len(output)):
            if re_host.search(output[i]):
                self.text_view.scroll_to_iter(buff.get_iter_at_line(i), 0, True, 0, 0)
                break
        
    def show_output_properties(self, widget):
        nmap_out_prop = NmapOutputProperties(self.text_view)
        #nmap_out_prop.connect("response", self.update_output_colors)
        
        nmap_out_prop.run()
        
        for prop in nmap_out_prop.property_names:
            widget = nmap_out_prop.property_names[prop][8]

            wid_props = []

            if widget.bold:
                wid_props.append(1)
            else:
                wid_props.append(0)

            if widget.italic:
                wid_props.append(1)
            else:
                wid_props.append(0)

            if widget.underline:
                wid_props.append(1)
            else:
                wid_props.append(0)
 
            wid_props.append("(%s, %s, %s)" % (widget.text_color.red,
                                               widget.text_color.green,
                                               widget.text_color.blue))
            wid_props.append("(%s, %s, %s)" % (widget.highlight_color.red,
                                               widget.highlight_color.green,
                                               widget.highlight_color.blue))

            self.nmap_highlight.__setattr__(widget.property_name, wid_props)
            
        nmap_out_prop.destroy()
        self.nmap_highlight.save_changes()
        self.update_output_colors()

    def update_output_colors(self, dialog=None, response_id=None):
        buff = self.text_view.get_buffer()
        tag_table = buff.get_tag_table()
        start = buff.get_start_iter()
        end = buff.get_end_iter()

        buff.remove_all_tags(start, end)
        buff.apply_tag(self.txg_font, start, end)

        if not self.nmap_highlight.enable:
            return        

        if True:
            properties = ["details",
                          "date",
                          "hostname",
                          "ip",
                          "port_list",
                          "open_port",
                          "closed_port",
                          "filtered_port"]
            
            for pos in xrange(buff.get_line_count()):
                # Grab the current line.
                line_start_iter = buff.get_iter_at_line(pos)
                line_end_iter = line_start_iter.copy()
                if not line_end_iter.ends_line():
                    line_end_iter.forward_to_line_end()
                line = buff.get_text(line_start_iter, line_end_iter)

                if not line:
                    continue
                
                for p in xrange(len(properties)):
                    settings = self.nmap_highlight.__getattribute__(properties[p])
                    match = re.finditer(settings[5], line)

                    # Create tags only if there's a matching for the expression
                    if match:
                        tag = gtk.TextTag()
                        
                        if settings[0]:
                            tag.set_property("weight", pango.WEIGHT_HEAVY)
                        else:
                            tag.set_property("weight", pango.WEIGHT_NORMAL)
                            
                        if settings[1]:
                            tag.set_property("style", pango.STYLE_ITALIC)
                        else:
                            tag.set_property("style", pango.STYLE_NORMAL)
                        
                        if settings[2]:
                            tag.set_property("underline", pango.UNDERLINE_SINGLE)
                        else:
                            tag.set_property("underline", pango.UNDERLINE_NONE)

                        text_color = settings[3]
                        highlight_color = settings[4]

                        tag.set_property("foreground",
gtk.color_selection_palette_to_string([gtk.gdk.Color(*text_color),]))
                        tag.set_property("background",
gtk.color_selection_palette_to_string([gtk.gdk.Color(*highlight_color),]))

                        tag_table.add(tag)
                        tag.set_priority(p)

                    for m in match:
                        try:
                            buff.apply_tag(tag, buff.get_iter_at_line_offset(pos, m.start()),
                                           buff.get_iter_at_line_offset(pos, m.end()))
                        except:
                            pass

    def show_nmap_output(self, output):
        """Show the string (or unicode) output in the output display."""
        self.text_view.get_buffer().set_text(output)
    
    def set_command_execution(self, command):
        """Set the live running command whose output is shown by this display.
        The current output is extracted from the command object."""
        self.command_execution = command
        self.nmap_previous_output = None
        self.refresh_output()

    def refresh_output(self, widget = None):
        """Update the output from the latest output of the command associated
        with this view, as set by set_command_execution. It has no effect if no
        command has been set."""
        log.debug("Refresh nmap output")

        if self.command_execution is None:
            return

        new_output = self.command_execution.get_output()

        v_adj = self.scrolled.get_vadjustment()
        if self.nmap_previous_output != new_output and v_adj is not None:
            # Find out if the view is already scrolled to the bottom.
            at_end = (v_adj.value >= v_adj.upper - v_adj.page_size)

            self.show_nmap_output(new_output)
            self.nmap_previous_output = new_output

            if at_end:
                # If we were already scrolled to the bottom, scroll back to the
                # bottom again. Do it in an idle handler in case the added text
                # causes a scroll bar to appear and reflow the text, making the
                # text a bit taller.
                gobject.idle_add(lambda: self.text_view.scroll_mark_onscreen(self.end_mark))

if __name__ == '__main__':
    w = gtk.Window()
    n = NmapOutputViewer()
    w.add(n)
    w.show_all()
    w.connect('delete-event', lambda x,y,z=None:gtk.main_quit())

    buff = n.text_view.get_buffer()
    buff.set_text(read_file("file_with_encoding_issues.txt"))
    
    gtk.main()

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