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aa25518d95
This strange error happens when canceling a "Print to File" operation on Windows: Traceback (most recent call last): File "zenmapGUI\MainWindow.pyo", line 831, in _print_cb File "zenmapGUI\Print.pyo", line 156, in run_print_operation GError: Error from StartDoc The web seems mostly silent on this error, and I can't guess at the cause. Let's ignore the error as it seems to be harmless. Reported by Imre Adácsi. http://seclists.org/nmap-dev/2012/q4/161
164 lines
9.3 KiB
Python
164 lines
9.3 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# ***********************IMPORTANT NMAP LICENSE TERMS************************
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# * *
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# * The Nmap Security Scanner is (C) 1996-2012 Insecure.Com LLC. Nmap is *
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# * also a registered trademark of Insecure.Com LLC. This program is free *
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# * software; you may redistribute and/or modify it under the terms of the *
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# * GNU General Public License as published by the Free Software *
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# * Foundation; Version 2 with the clarifications and exceptions described *
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# * below. This guarantees your right to use, modify, and redistribute *
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# * this software under certain conditions. If you wish to embed Nmap *
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# * technology into proprietary software, we sell alternative licenses *
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# * (contact sales@insecure.com). Dozens of software vendors already *
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# * license Nmap technology such as host discovery, port scanning, OS *
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# * detection, version detection, and the Nmap Scripting Engine. *
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# * *
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# * Note that the GPL places important restrictions on "derived works", yet *
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# * it does not provide a detailed definition of that term. To avoid *
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# * misunderstandings, we interpret that term as broadly as copyright law *
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# * allows. For example, we consider an application to constitute a *
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# * "derivative work" for the purpose of this license if it does any of the *
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# * following: *
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# * o Integrates source code from Nmap *
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# * o Reads or includes Nmap copyrighted data files, such as *
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# * nmap-os-db or nmap-service-probes. *
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# * o Executes Nmap and parses the results (as opposed to typical shell or *
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# * execution-menu apps, which simply display raw Nmap output and so are *
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# * not derivative works.) *
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# * o Integrates/includes/aggregates Nmap into a proprietary executable *
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# * installer, such as those produced by InstallShield. *
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# * o Links to a library or executes a program that does any of the above *
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# * *
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# * The term "Nmap" should be taken to also include any portions or derived *
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# * works of Nmap, as well as other software we distribute under this *
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# * license such as Zenmap, Ncat, and Nping. This list is not exclusive, *
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# * but is meant to clarify our interpretation of derived works with some *
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# * common examples. Our interpretation applies only to Nmap--we don't *
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# * speak for other people's GPL works. *
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# * *
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# * If you have any questions about the GPL licensing restrictions on using *
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# * Nmap in non-GPL works, we would be happy to help. As mentioned above, *
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# * we also offer alternative license to integrate Nmap into proprietary *
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# * applications and appliances. These contracts have been sold to dozens *
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# * of software vendors, and generally include a perpetual license as well *
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# * as providing for priority support and updates. They also fund the *
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# * continued development of Nmap. Please email sales@insecure.com for *
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# * further information. *
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# * *
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# * As a special exception to the GPL terms, Insecure.Com LLC grants *
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# * permission to link the code of this program with any version of the *
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# * OpenSSL library which is distributed under a license identical to that *
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# * listed in the included docs/licenses/OpenSSL.txt file, and distribute *
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# * linked combinations including the two. You must obey the GNU GPL in all *
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# * respects for all of the code used other than OpenSSL. If you modify *
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# * this file, you may extend this exception to your version of the file, *
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# * but you are not obligated to do so. *
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# * *
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# * If you received these files with a written license agreement or *
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# * contract stating terms other than the terms above, then that *
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# * alternative license agreement takes precedence over these comments. *
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# * *
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# * Source is provided to this software because we believe users have a *
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# * right to know exactly what a program is going to do before they run it. *
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# * This also allows you to audit the software for security holes (none *
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# * have been found so far). *
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# * *
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# * Source code also allows you to port Nmap to new platforms, fix bugs, *
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# * and add new features. You are highly encouraged to send your changes *
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# * to nmap-dev@insecure.org for possible incorporation into the main *
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# * distribution. By sending these changes to Fyodor or one of the *
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# * Insecure.Org development mailing lists, or checking them into the Nmap *
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# * source code repository, it is understood (unless you specify otherwise) *
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# * that you are offering the Nmap Project (Insecure.Com LLC) the *
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# * unlimited, non-exclusive right to reuse, modify, and relicense the *
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# * code. Nmap will always be available Open Source, but this is important *
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# * because the inability to relicense code has caused devastating problems *
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# * for other Free Software projects (such as KDE and NASM). We also *
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# * occasionally relicense the code to third parties as discussed above. *
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# * If you wish to specify special license conditions of your *
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# * contributions, just say so when you send them. *
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# * *
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# * This program is distributed in the hope that it will be useful, but *
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# * WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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# * General Public License v2.0 for more details at *
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# * http://www.gnu.org/licenses/gpl-2.0.html , or in the COPYING file *
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# * included with Nmap. *
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# * *
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# ***************************************************************************/
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# This prints the normal (text) output of a single scan. Ideas for further
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# development:
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#
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# Print the topology graphic. The graphic is already made with Cairo so the same
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# code can be used to draw on the print context.
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#
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# Print in color with highlighting, like NmapOutputViewer.
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#
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# Add a header to each page with the Nmap command and page number.
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#
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# Add options to the print dialog to control the font, coloring, and anything
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# else. This might go in a separate Print Setup dialog.
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import gtk
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import gobject
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import pango
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MONOSPACE_FONT_DESC = pango.FontDescription("Monospace 12")
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class PrintState (object):
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"""This is the userdatum passed to gtk.PrintOperation callbacks."""
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def __init__(self, inventory, entry):
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"""entry is a ScansListStoreEntry."""
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if entry.parsed:
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# Finished scan.
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output = entry.parsed.nmap_output
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else:
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# Still running, failed, or cancelled.
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output = entry.command.get_output()
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if not output:
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output = u"\n"
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self.lines = output.splitlines()
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def begin_print(self, op, context):
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"""Calculates the number of printed pages."""
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# Typeset a dummy line to get the exact line height.
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layout = context.create_pango_layout()
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layout.set_font_description(MONOSPACE_FONT_DESC)
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layout.set_text("dummy")
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line = layout.get_line(0)
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# get_extents()[1][3] is the height of the logical rectangle.
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line_height = line.get_extents()[1][3] / float(pango.SCALE)
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page_height = context.get_height()
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self.lines_per_page = int(page_height / line_height)
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op.set_n_pages((len(self.lines) - 1) / self.lines_per_page + 1)
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def draw_page(self, op, context, page_nr):
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this_page_lines = self.lines[page_nr * self.lines_per_page:(page_nr + 1) * self.lines_per_page]
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layout = context.create_pango_layout()
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# Do no wrapping.
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layout.set_width(-1)
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layout.set_font_description(MONOSPACE_FONT_DESC)
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text = "\n".join(this_page_lines).encode("utf8")
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layout.set_text(text)
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cr = context.get_cairo_context()
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cr.show_layout(layout)
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def run_print_operation(inventory, entry):
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op = gtk.PrintOperation()
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state = PrintState(inventory, entry)
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op.connect("begin-print", state.begin_print)
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op.connect("draw-page", state.draw_page)
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try:
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op.run(gtk.PRINT_OPERATION_ACTION_PRINT_DIALOG, None)
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except gobject.GError:
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# Canceling the print operation can result in the error
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# GError: Error from StartDoc
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# http://seclists.org/nmap-dev/2012/q4/161
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pass
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