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137 lines
5.9 KiB
Python
137 lines
5.9 KiB
Python
#!/usr/bin/env python3
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# ***********************IMPORTANT NMAP LICENSE TERMS************************
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# *
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# * The Nmap Security Scanner is (C) 1996-2025 Nmap Software LLC ("The Nmap
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# * Project"). Nmap is also a registered trademark of the Nmap Project.
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# *
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# * This program is distributed under the terms of the Nmap Public Source
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# * License (NPSL). The exact license text applying to a particular Nmap
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# * release or source code control revision is contained in the LICENSE
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# * file distributed with that version of Nmap or source code control
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# * revision. More Nmap copyright/legal information is available from
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# * https://nmap.org/book/man-legal.html, and further information on the
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# * NPSL license itself can be found at https://nmap.org/npsl/ . This
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# * header summarizes some key points from the Nmap license, but is no
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# * substitute for the actual license text.
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# *
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# * Nmap is generally free for end users to download and use themselves,
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# * including commercial use. It is available from https://nmap.org.
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# *
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# * The Nmap license generally prohibits companies from using and
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# * redistributing Nmap in commercial products, but we sell a special Nmap
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# * OEM Edition with a more permissive license and special features for
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# * this purpose. See https://nmap.org/oem/
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# *
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# * If you have received a written Nmap license agreement or contract
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# * stating terms other than these (such as an Nmap OEM license), you may
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# * choose to use and redistribute Nmap under those terms instead.
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# *
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# * The official Nmap Windows builds include the Npcap software
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# * (https://npcap.com) for packet capture and transmission. It is under
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# * separate license terms which forbid redistribution without special
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# * permission. So the official Nmap Windows builds may not be redistributed
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# * without special permission (such as an Nmap OEM license).
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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.
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# *
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# * Source code also allows you to port Nmap to new platforms, fix bugs, and
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# * add new features. You are highly encouraged to submit your changes as a
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# * Github PR or by email to the dev@nmap.org mailing list for possible
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# * incorporation into the main distribution. Unless you specify otherwise, it
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# * is understood that you are offering us very broad rights to use your
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# * submissions as described in the Nmap Public Source License Contributor
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# * Agreement. This is important because we fund the project by selling licenses
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# * with various terms, and also because the inability to relicense code has
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# * caused devastating problems for other Free Software projects (such as KDE
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# * and NASM).
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# *
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# * The free version of Nmap is distributed in the hope that it will be
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# * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Warranties,
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# * indemnification and commercial support are all available through the
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# * Npcap OEM program--see https://nmap.org/oem/
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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
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# same 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 gi
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gi.require_version("Gtk", "3.0")
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gi.require_version("PangoCairo", "1.0")
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from gi.repository import Gtk, GLib, Pango, PangoCairo
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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 = "\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", -1)
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line = layout.get_line(0)
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# get_extents()[1].height is the height of the logical rectangle.
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line_height = line.get_extents()[1].height / 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[
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page_nr * self.lines_per_page:
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(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)
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layout.set_text(text, -1)
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cr = context.get_cairo_context()
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PangoCairo.show_layout(cr, 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.PrintOperationAction.PRINT_DIALOG, None)
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except GLib.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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