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# -*- coding: utf-8 -*- |
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# Copyright (C) 2018-2021 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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# pylint: disable=arguments-differ, redefined-builtin, too-many-lines |
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""" |
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Module for communication with gvmd in |
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`Greenbone Management Protocol version 20.08`_ |
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.. _Greenbone Management Protocol version 20.08: |
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https://docs.greenbone.net/API/GMP/gmp-20.08.html |
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""" |
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import logging |
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from numbers import Integral |
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from typing import Any, Optional |
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from gvm.errors import InvalidArgument, RequiredArgument |
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from gvm.protocols.base import GvmProtocol |
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from gvm.utils import ( |
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check_command_status, |
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to_bool, |
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) |
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from gvm.xml import XmlCommand |
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PROTOCOL_VERSION = (20, 8) |
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logger = logging.getLogger(__name__) |
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class GmpV208Mixin(GvmProtocol): |
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"""Python interface for Greenbone Management Protocol |
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This class implements the `Greenbone Management Protocol version 20.08`_ |
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Arguments: |
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connection: Connection to use to talk with the gvmd 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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.. _Greenbone Management Protocol version 20.08: |
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https://docs.greenbone.net/API/GMP/gmp-20.08.html |
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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 is_authenticated(self) -> bool: |
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"""Checks if the user is authenticated |
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If the user is authenticated privileged GMP commands like get_tasks |
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may be send to gvmd. |
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Returns: |
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bool: True if an authenticated connection to gvmd has been |
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established. |
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""" |
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return self._authenticated |
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def authenticate(self, username: str, password: str) -> Any: |
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"""Authenticate to gvmd. |
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The generated authenticate command will be send to server. |
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Afterwards the response is read, transformed and returned. |
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Arguments: |
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username: Username |
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password: Password |
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Returns: |
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Transformed response from server. |
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""" |
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cmd = XmlCommand("authenticate") |
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if not username: |
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raise RequiredArgument( |
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function=self.authenticate.__name__, argument='username' |
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) |
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if not password: |
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raise RequiredArgument( |
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function=self.authenticate.__name__, argument='password' |
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) |
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credentials = cmd.add_element("credentials") |
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credentials.add_element("username", username) |
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credentials.add_element("password", password) |
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self._send(cmd.to_string()) |
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response = self._read() |
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if check_command_status(response): |
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self._authenticated = True |
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return self._transform(response) |
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def describe_auth(self) -> Any: |
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"""Describe authentication methods |
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Returns a list of all used authentication methods if such a list is |
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available. |
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Returns: |
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The response. See :py:meth:`send_command` for details. |
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""" |
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return self._send_xml_command(XmlCommand("describe_auth")) |
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def empty_trashcan(self) -> Any: |
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"""Empty the trashcan |
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Remove all entities from the trashcan. **Attention:** this command can |
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not be reverted |
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Returns: |
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The response. See :py:meth:`send_command` for details. |
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""" |
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return self._send_xml_command(XmlCommand("empty_trashcan")) |
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def get_system_reports( |
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self, |
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*, |
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name: Optional[str] = None, |
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duration: Optional[int] = None, |
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start_time: Optional[str] = None, |
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end_time: Optional[str] = None, |
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brief: Optional[bool] = None, |
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slave_id: Optional[str] = None, |
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) -> Any: |
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"""Request a list of system reports |
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Arguments: |
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name: A string describing the required system report |
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duration: The number of seconds into the past that the system report |
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should include |
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start_time: The start of the time interval the system report should |
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include in ISO time format |
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end_time: The end of the time interval the system report should |
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include in ISO time format |
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brief: Whether to include the actual system reports |
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slave_id: UUID of GMP scanner from which to get the system reports |
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Returns: |
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The response. See :py:meth:`send_command` for details. |
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""" |
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cmd = XmlCommand("get_system_reports") |
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if name: |
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cmd.set_attribute("name", name) |
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if duration is not None: |
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if not isinstance(duration, Integral): |
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raise InvalidArgument("duration needs to be an integer number") |
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cmd.set_attribute("duration", str(duration)) |
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if start_time: |
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cmd.set_attribute("start_time", str(start_time)) |
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if end_time: |
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cmd.set_attribute("end_time", str(end_time)) |
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if brief is not None: |
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cmd.set_attribute("brief", to_bool(brief)) |
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if slave_id: |
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cmd.set_attribute("slave_id", slave_id) |
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return self._send_xml_command(cmd) |
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def get_version(self) -> Any: |
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"""Get the Greenbone Manager Protocol version used by the remote gvmd |
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Returns: |
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The response. See :py:meth:`send_command` for details. |
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""" |
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return self._send_xml_command(XmlCommand("get_version")) |
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def help( |
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self, *, format: Optional[str] = None, help_type: Optional[str] = None |
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) -> Any: |
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"""Get the help text |
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Arguments: |
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format: One of "html", "rnc", "text" or "xml |
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help_type: One of "brief" or "". Default "" |
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Returns: |
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The response. See :py:meth:`send_command` for details. |
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""" |
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cmd = XmlCommand("help") |
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if not help_type: |
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help_type = "" |
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if help_type not in ("", "brief"): |
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raise InvalidArgument( |
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'help_type argument must be an empty string or "brief"' |
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) |
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cmd.set_attribute("type", help_type) |
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if format: |
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if not format.lower() in ("html", "rnc", "text", "xml"): |
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raise InvalidArgument( |
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"help format Argument must be one of html, rnc, text or " |
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"xml" |
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) |
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cmd.set_attribute("format", format) |
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return self._send_xml_command(cmd) |
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def modify_auth(self, group_name: str, auth_conf_settings: dict) -> Any: |
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"""Modifies an existing auth. |
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Arguments: |
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group_name: Name of the group to be modified. |
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auth_conf_settings: The new auth config. |
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Returns: |
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The response. See :py:meth:`send_command` for details. |
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""" |
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if not group_name: |
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raise RequiredArgument( |
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function=self.modify_auth.__name__, argument='group_name' |
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) |
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if not auth_conf_settings: |
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raise RequiredArgument( |
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function=self.modify_auth.__name__, |
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argument='auth_conf_settings', |
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) |
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cmd = XmlCommand("modify_auth") |
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_xmlgroup = cmd.add_element("group", attrs={"name": str(group_name)}) |
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for key, value in auth_conf_settings.items(): |
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_xmlauthconf = _xmlgroup.add_element("auth_conf_setting") |
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_xmlauthconf.add_element("key", key) |
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_xmlauthconf.add_element("value", value) |
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return self._send_xml_command(cmd) |
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def restore(self, entity_id: str) -> Any: |
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"""Restore an entity from the trashcan |
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Arguments: |
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entity_id: ID of the entity to be restored from the trashcan |
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Returns: |
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The response. See :py:meth:`send_command` for details. |
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""" |
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if not entity_id: |
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raise RequiredArgument( |
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function=self.restore.__name__, argument='entity_id' |
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) |
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cmd = XmlCommand("restore") |
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cmd.set_attribute("id", entity_id) |
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return self._send_xml_command(cmd) |
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def sync_cert(self) -> Any: |
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"""Request a synchronization with the CERT feed service |
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Returns: |
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The response. See :py:meth:`send_command` for details. |
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""" |
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return self._send_xml_command(XmlCommand("sync_cert")) |
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def sync_scap(self) -> Any: |
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"""Request a synchronization with the SCAP feed service |
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Returns: |
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The response. See :py:meth:`send_command` for details. |
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""" |
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return self._send_xml_command(XmlCommand("sync_scap")) |
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