|
1
|
|
|
# -*- coding: utf-8 -*- |
|
2
|
|
|
# Copyright (C) 2019-2021 Greenbone Networks GmbH |
|
3
|
|
|
# |
|
4
|
|
|
# SPDX-License-Identifier: GPL-3.0-or-later |
|
5
|
|
|
# |
|
6
|
|
|
# This program is free software: you can redistribute it and/or modify |
|
7
|
|
|
# it under the terms of the GNU General Public License as published by |
|
8
|
|
|
# the Free Software Foundation, either version 3 of the License, or |
|
9
|
|
|
# (at your option) any later version. |
|
10
|
|
|
# |
|
11
|
|
|
# This program is distributed in the hope that it will be useful, |
|
12
|
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
13
|
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
14
|
|
|
# GNU General Public License for more details. |
|
15
|
|
|
# |
|
16
|
|
|
# You should have received a copy of the GNU General Public License |
|
17
|
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
18
|
|
|
|
|
19
|
|
|
""" |
|
20
|
|
|
Module for communication with gvmd |
|
21
|
|
|
""" |
|
22
|
|
|
from typing import Any, Optional, Callable, Union |
|
23
|
|
|
|
|
24
|
|
|
from gvm.errors import GvmError |
|
25
|
|
|
|
|
26
|
|
|
from gvm.protocols.base import GvmProtocol, GvmConnection |
|
27
|
|
|
|
|
28
|
|
|
from gvm.protocols.gmpv208 import Gmp as Gmpv208 |
|
29
|
|
|
from gvm.protocols.gmpv214 import Gmp as Gmpv214 |
|
30
|
|
|
|
|
31
|
|
|
from gvm.transforms import EtreeCheckCommandTransform |
|
32
|
|
|
|
|
33
|
|
|
from gvm.xml import XmlCommand |
|
34
|
|
|
|
|
35
|
|
|
SUPPORTED_GMP_VERSIONS = Union[Gmpv208, Gmpv214] # pylint: disable=invalid-name |
|
36
|
|
|
|
|
37
|
|
|
|
|
38
|
|
|
class Gmp(GvmProtocol): |
|
39
|
|
|
"""Dynamically select supported GMP protocol of the remote manager daemon. |
|
40
|
|
|
|
|
41
|
|
|
Must be used as a `Context Manager |
|
42
|
|
|
<https://docs.python.org/3/reference/datamodel.html#context-managers>`_ |
|
43
|
|
|
|
|
44
|
|
|
Example: |
|
45
|
|
|
|
|
46
|
|
|
.. code-block:: python |
|
47
|
|
|
|
|
48
|
|
|
from gvm.protocols.gmp import Gmp |
|
49
|
|
|
|
|
50
|
|
|
with Gmp(connection) as gmp: |
|
51
|
|
|
# gmp can be an instance of gvm.protocols.gmpv208.Gmp, |
|
52
|
|
|
# gvm.protocols.gmpv214.Gmp depending |
|
53
|
|
|
# on the supported GMP version of the remote manager daemon |
|
54
|
|
|
resp = gmp.get_tasks() |
|
55
|
|
|
|
|
56
|
|
|
Attributes: |
|
57
|
|
|
connection: Connection to use to talk with the remote daemon. See |
|
58
|
|
|
:mod:`gvm.connections` for possible connection types. |
|
59
|
|
|
transform: Optional transform `callable`_ to convert response data. |
|
60
|
|
|
After each request the callable gets passed the plain response data |
|
61
|
|
|
which can be used to check the data and/or conversion into different |
|
62
|
|
|
representations like a xml dom. |
|
63
|
|
|
|
|
64
|
|
|
See :mod:`gvm.transforms` for existing transforms. |
|
65
|
|
|
|
|
66
|
|
|
.. _callable: |
|
67
|
|
|
https://docs.python.org/3/library/functions.html#callable |
|
68
|
|
|
""" |
|
69
|
|
|
|
|
70
|
|
|
def __init__( |
|
71
|
|
|
self, |
|
72
|
|
|
connection: GvmConnection, |
|
73
|
|
|
*, |
|
74
|
|
|
transform: Optional[Callable[[str], Any]] = None, |
|
75
|
|
|
): |
|
76
|
|
|
super().__init__(connection, transform=EtreeCheckCommandTransform()) |
|
77
|
|
|
self._gmp_transform = transform |
|
78
|
|
|
|
|
79
|
|
|
def determine_remote_gmp_version(self) -> str: |
|
80
|
|
|
"""Determine the supported GMP version of the remote daemon""" |
|
81
|
|
|
self.connect() |
|
82
|
|
|
resp = self._send_xml_command(XmlCommand("get_version")) |
|
83
|
|
|
self.disconnect() |
|
84
|
|
|
|
|
85
|
|
|
version_el = resp.find('version') |
|
86
|
|
|
if version_el is None: |
|
87
|
|
|
raise GvmError( |
|
88
|
|
|
'Invalid response from manager daemon while requesting the ' |
|
89
|
|
|
'version information.' |
|
90
|
|
|
) |
|
91
|
|
|
|
|
92
|
|
|
return version_el.text |
|
93
|
|
|
|
|
94
|
|
|
def determine_supported_gmp(self) -> SUPPORTED_GMP_VERSIONS: |
|
95
|
|
|
"""Determine supported GMP version of the remote daemon and return a |
|
96
|
|
|
corresponding Gmp class instance |
|
97
|
|
|
""" |
|
98
|
|
|
version = self.determine_remote_gmp_version() |
|
99
|
|
|
major_version = int(version.split('.')[0]) |
|
100
|
|
|
if major_version == 20: |
|
101
|
|
|
gmp_class = Gmpv208 |
|
102
|
|
|
elif major_version == 21: |
|
103
|
|
|
gmp_class = Gmpv214 |
|
104
|
|
|
else: |
|
105
|
|
|
raise GvmError( |
|
106
|
|
|
'Remote manager daemon uses an unsupported version of GMP. ' |
|
107
|
|
|
'The GMP version was {}.'.format(version) |
|
108
|
|
|
) |
|
109
|
|
|
|
|
110
|
|
|
return gmp_class(self._connection, transform=self._gmp_transform) |
|
111
|
|
|
|
|
112
|
|
|
def __enter__(self): |
|
113
|
|
|
gmp = self.determine_supported_gmp() |
|
114
|
|
|
|
|
115
|
|
|
gmp.connect() |
|
116
|
|
|
|
|
117
|
|
|
return gmp |
|
118
|
|
|
|
greenbone /
python-gvm
