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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:07:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:07:52 +0000
commitf0f453c916e279980df981c1e1dee0d167dc124e (patch)
treed09973c9f173820ade2dc814467d3e57df8a042d /src/ssh_audit/algorithm.py
parentInitial commit. (diff)
downloadssh-audit-upstream.tar.xz
ssh-audit-upstream.zip
Adding upstream version 3.1.0.upstream/3.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/ssh_audit/algorithm.py')
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diff --git a/src/ssh_audit/algorithm.py b/src/ssh_audit/algorithm.py
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+"""
+ The MIT License (MIT)
+
+ Copyright (C) 2017 Andris Raugulis (moo@arthepsy.eu)
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+"""
+# pylint: disable=unused-import
+from typing import Dict, List, Set, Sequence, Tuple, Iterable # noqa: F401
+from typing import Callable, Optional, Union, Any # noqa: F401
+
+from ssh_audit.product import Product
+
+
+class Algorithm:
+
+ @staticmethod
+ def get_ssh_version(version_desc: str) -> Tuple[str, str, bool]:
+ is_client = version_desc.endswith('C')
+ if is_client:
+ version_desc = version_desc[:-1]
+ if version_desc.startswith('d'):
+ return Product.DropbearSSH, version_desc[1:], is_client
+ elif version_desc.startswith('l1'):
+ return Product.LibSSH, version_desc[2:], is_client
+ else:
+ return Product.OpenSSH, version_desc, is_client
+
+ @classmethod
+ def get_since_text(cls, versions: List[Optional[str]]) -> Optional[str]:
+ tv = []
+ if len(versions) == 0 or versions[0] is None:
+ return None
+ for v in versions[0].split(','):
+ ssh_prod, ssh_ver, is_cli = cls.get_ssh_version(v)
+ if not ssh_ver:
+ continue
+ if ssh_prod in [Product.LibSSH]:
+ continue
+ if is_cli:
+ ssh_ver = '{} (client only)'.format(ssh_ver)
+ tv.append('{} {}'.format(ssh_prod, ssh_ver))
+ if len(tv) == 0:
+ return None
+ return 'available since ' + ', '.join(tv).rstrip(', ')