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# -*- coding: utf-8 -*- |
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# Copyright (C) 2019 Greenbone Networks GmbH |
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# |
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# SPDX-License-Identifier: GPL-3.0-or-later |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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""" |
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Module for communication with gvmd |
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""" |
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from typing import Any, Optional, Callable |
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from gvm.errors import GvmError |
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from gvm.protocols.base import GvmProtocol, GvmConnection |
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from gvm.protocols.gmpv7 import Gmp as Gmpv7 |
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from gvm.protocols.gmpv8 import Gmp as Gmpv8 |
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from gvm.transforms import EtreeCheckCommandTransform |
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from gvm.xml import XmlCommand |
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class Gmp(GvmProtocol): |
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"""Dynamically select supported GMP protocol of the remote manager daemon. |
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Must be used as a `Context Manager |
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<https://docs.python.org/3/reference/datamodel.html#context-managers>`_ |
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Example: |
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.. code-block:: python |
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from gvm.protocols.gmp import Gmp |
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with Gmp(connection) as gmp: |
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# gmp can be an instance of gvm.protocols.gmpv7.Gmp or |
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# gvm.protocols.gmpv8.Gmp depending on the supported GMP |
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# version of the remote manager daemon |
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resp = gmp.get_tasks() |
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Attributes: |
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connection: Connection to use to talk with the remote daemon. See |
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:mod:`gvm.connections` for possible connection types. |
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transform: Optional transform `callable`_ to convert response data. |
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After each request the callable gets passed the plain response data |
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which can be used to check the data and/or conversion into different |
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representations like a xml dom. |
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See :mod:`gvm.transforms` for existing transforms. |
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.. _callable: |
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https://docs.python.org/3/library/functions.html#callable |
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""" |
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def __init__( |
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self, |
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connection: GvmConnection, |
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*, |
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transform: Optional[Callable[[str], Any]] = None |
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): |
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super().__init__(connection, transform=EtreeCheckCommandTransform()) |
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self._gmp_transform = transform |
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def __enter__(self): |
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self.connect() |
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resp = self._send_xml_command(XmlCommand("get_version")) |
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self.disconnect() |
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version_el = resp.find('version') |
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if version_el is None: |
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raise GvmError( |
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'Invalid response from manager daemon while requesting the ' |
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'version information.' |
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) |
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version = version_el.text |
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major_version = version[0] |
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if major_version == '7': |
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gmp_class = Gmpv7 |
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elif major_version == '8': |
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gmp_class = Gmpv8 |
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else: |
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raise GvmError( |
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'Remote manager daemon uses an unsupported version of GMP.' |
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'The GMP version was {}'.format(major_version) |
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) |
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gmp = gmp_class(self._connection, transform=self._gmp_transform) |
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gmp.connect() |
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return gmp |
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greenbone /
python-gvm
