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126 lines
5.4 KiB
Python
126 lines
5.4 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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import re
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class NSEDocEvent (object):
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def __init__(self, type, text=None):
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self.type = type
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self.text = text
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def nsedoc_parse_sub(text, pos):
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"""Parse paragraph-level NSEDoc markup, inside of paragraphs and lists.
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Returns the position after the end of parsing followed by a list of
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events."""
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events = []
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m = re.match(r'([^\n]*?)<code>(.*?)</code>', text[pos:], re.S)
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if m:
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if m.group(1):
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events.append(NSEDocEvent("text", m.group(1).replace("\n", " ")))
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events.append(NSEDocEvent("code", m.group(2)))
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return pos + m.end(), events
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m = re.match(r'[^\n]*(\n|$)', text[pos:])
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if m:
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if m.group():
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events.append(NSEDocEvent("text", m.group().replace("\n", " ")))
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return pos + m.end(), events
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return pos, events
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def nsedoc_parse(text):
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"""Parse text marked up for NSEDoc. This is a generator that returns a
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sequence of NSEDocEvents. The type of the event may be "paragraph_start",
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"paragraph_end", "list_start", "list_end", "list_item_start",
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"list_item_end", "text", or "code". The types "text" and "code" have a text
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member with the text that they contain."""
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i = 0
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in_list = False
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while i < len(text):
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while i < len(text) and text[i].isspace():
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i += 1
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if i >= len(text):
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break
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yield NSEDocEvent("paragraph_start")
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while i < len(text):
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if re.match(r'\s*(\n|$)', text[i:]):
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break
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if text.startswith("* ", i):
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if not in_list:
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yield NSEDocEvent("list_start")
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in_list = True
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i += 2
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yield NSEDocEvent("list_item_start")
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i, events = nsedoc_parse_sub(text, i)
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for event in events:
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yield event
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yield NSEDocEvent("list_item_end")
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else:
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if in_list:
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yield NSEDocEvent("list_end")
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in_list = False
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i, events = nsedoc_parse_sub(text, i)
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for event in events:
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yield event
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if in_list:
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yield NSEDocEvent("list_end")
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in_list = False
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yield NSEDocEvent("paragraph_end")
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