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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/software.py
parentInitial commit. (diff)
downloadssh-audit-f0f453c916e279980df981c1e1dee0d167dc124e.tar.xz
ssh-audit-f0f453c916e279980df981c1e1dee0d167dc124e.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/software.py')
-rw-r--r--src/ssh_audit/software.py227
1 files changed, 227 insertions, 0 deletions
diff --git a/src/ssh_audit/software.py b/src/ssh_audit/software.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.
+"""
+import re
+
+# 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.banner import Banner
+from ssh_audit.product import Product
+
+
+class Software:
+ def __init__(self, vendor: Optional[str], product: str, version: str, patch: Optional[str], os_version: Optional[str]) -> None:
+ self.__vendor = vendor
+ self.__product = product
+ self.__version = version
+ self.__patch = patch
+ self.__os = os_version
+
+ @property
+ def vendor(self) -> Optional[str]:
+ return self.__vendor
+
+ @property
+ def product(self) -> str:
+ return self.__product
+
+ @property
+ def version(self) -> str:
+ return self.__version
+
+ @property
+ def patch(self) -> Optional[str]:
+ return self.__patch
+
+ @property
+ def os(self) -> Optional[str]:
+ return self.__os
+
+ def compare_version(self, other: Union[None, 'Software', str]) -> int:
+ # pylint: disable=too-many-branches,too-many-return-statements
+ if other is None:
+ return 1
+ if isinstance(other, Software):
+ other = '{}{}'.format(other.version, other.patch or '')
+ else:
+ other = str(other)
+ mx = re.match(r'^([\d\.]+\d+)(.*)$', other)
+ if mx is not None:
+ oversion, opatch = mx.group(1), mx.group(2).strip()
+ else:
+ oversion, opatch = other, ''
+ if self.version < oversion:
+ return -1
+ elif self.version > oversion:
+ return 1
+ spatch = self.patch or ''
+ if self.product == Product.DropbearSSH:
+ if not re.match(r'^test\d.*$', opatch):
+ opatch = 'z{}'.format(opatch)
+ if not re.match(r'^test\d.*$', spatch):
+ spatch = 'z{}'.format(spatch)
+ elif self.product == Product.OpenSSH:
+ mx1 = re.match(r'^p(\d).*', opatch)
+ mx2 = re.match(r'^p(\d).*', spatch)
+ if not (bool(mx1) and bool(mx2)):
+ if mx1 is not None:
+ opatch = mx1.group(1)
+ if mx2 is not None:
+ spatch = mx2.group(1)
+ # OpenBSD version and p1 versions are considered the same.
+ if ((spatch == '') and (opatch == '1')) or ((spatch == '1') and (opatch == '')):
+ return 0
+ if spatch < opatch:
+ return -1
+ elif spatch > opatch:
+ return 1
+ return 0
+
+ def between_versions(self, vfrom: str, vtill: str) -> bool:
+ if bool(vfrom) and self.compare_version(vfrom) < 0:
+ return False
+ if bool(vtill) and self.compare_version(vtill) > 0:
+ return False
+ return True
+
+ def display(self, full: bool = True) -> str:
+ r = '{} '.format(self.vendor) if bool(self.vendor) else ''
+ r += self.product
+ if bool(self.version):
+ r += ' {}'.format(self.version)
+ if full:
+ patch = self.patch or ''
+ if self.product == Product.OpenSSH:
+ mx = re.match(r'^(p\d)(.*)$', patch)
+ if mx is not None:
+ r += mx.group(1)
+ patch = mx.group(2).strip()
+ if bool(patch):
+ r += ' ({})'.format(patch)
+ if bool(self.os):
+ r += ' running on {}'.format(self.os)
+ return r
+
+ def __str__(self) -> str:
+ return self.display()
+
+ def __repr__(self) -> str:
+ r = 'vendor={}, '.format(self.vendor) if bool(self.vendor) else ''
+ r += 'product={}'.format(self.product)
+ if bool(self.version):
+ r += ', version={}'.format(self.version)
+ if bool(self.patch):
+ r += ', patch={}'.format(self.patch)
+ if bool(self.os):
+ r += ', os={}'.format(self.os)
+ return '<{}({})>'.format(self.__class__.__name__, r)
+
+ @staticmethod
+ def _fix_patch(patch: str) -> Optional[str]:
+ return re.sub(r'^[-_\.]+', '', patch) or None
+
+ @staticmethod
+ def _fix_date(d: Optional[str]) -> Optional[str]:
+ if d is not None and len(d) == 8:
+ return '{}-{}-{}'.format(d[:4], d[4:6], d[6:8])
+ else:
+ return None
+
+ @classmethod
+ def _extract_os_version(cls, c: Optional[str]) -> Optional[str]:
+ if c is None:
+ return None
+ mx = re.match(r'^NetBSD(?:_Secure_Shell)?(?:[\s-]+(\d{8})(.*))?$', c)
+ if mx is not None:
+ d = cls._fix_date(mx.group(1))
+ return 'NetBSD' if d is None else 'NetBSD ({})'.format(d)
+ mx = re.match(r'^FreeBSD(?:\slocalisations)?[\s-]+(\d{8})(.*)$', c)
+ if not bool(mx):
+ mx = re.match(r'^[^@]+@FreeBSD\.org[\s-]+(\d{8})(.*)$', c)
+ if mx is not None:
+ d = cls._fix_date(mx.group(1))
+ return 'FreeBSD' if d is None else 'FreeBSD ({})'.format(d)
+ w = ['RemotelyAnywhere', 'DesktopAuthority', 'RemoteSupportManager']
+ for win_soft in w:
+ mx = re.match(r'^in ' + win_soft + r' ([\d\.]+\d)$', c)
+ if mx is not None:
+ ver = mx.group(1)
+ return 'Microsoft Windows ({} {})'.format(win_soft, ver)
+ generic = ['NetBSD', 'FreeBSD']
+ for g in generic:
+ if c.startswith(g) or c.endswith(g):
+ return g
+ return None
+
+ @classmethod
+ def parse(cls, banner: 'Banner') -> Optional['Software']:
+ # pylint: disable=too-many-return-statements
+ software = str(banner.software)
+ mx = re.match(r'^dropbear_([\d\.]+\d+)(.*)', software)
+ v: Optional[str] = None
+ if mx is not None:
+ patch = cls._fix_patch(mx.group(2))
+ v, p = 'Matt Johnston', Product.DropbearSSH
+ v = None
+ return cls(v, p, mx.group(1), patch, None)
+ mx = re.match(r'^OpenSSH[_\.-]+([\d\.]+\d+)(.*)', software)
+ if mx is not None:
+ patch = cls._fix_patch(mx.group(2))
+ v, p = 'OpenBSD', Product.OpenSSH
+ v = None
+ os_version = cls._extract_os_version(banner.comments)
+ return cls(v, p, mx.group(1), patch, os_version)
+ mx = re.match(r'^libssh-([\d\.]+\d+)(.*)', software)
+ if mx is not None:
+ patch = cls._fix_patch(mx.group(2))
+ v, p = None, Product.LibSSH
+ os_version = cls._extract_os_version(banner.comments)
+ return cls(v, p, mx.group(1), patch, os_version)
+ mx = re.match(r'^libssh_([\d\.]+\d+)(.*)', software)
+ if mx is not None:
+ patch = cls._fix_patch(mx.group(2))
+ v, p = None, Product.LibSSH
+ os_version = cls._extract_os_version(banner.comments)
+ return cls(v, p, mx.group(1), patch, os_version)
+ mx = re.match(r'^RomSShell_([\d\.]+\d+)(.*)', software)
+ if mx is not None:
+ patch = cls._fix_patch(mx.group(2))
+ v, p = 'Allegro Software', 'RomSShell'
+ return cls(v, p, mx.group(1), patch, None)
+ mx = re.match(r'^mpSSH_([\d\.]+\d+)', software)
+ if mx is not None:
+ v, p = 'HP', 'iLO (Integrated Lights-Out) sshd'
+ return cls(v, p, mx.group(1), None, None)
+ mx = re.match(r'^Cisco-([\d\.]+\d+)', software)
+ if mx is not None:
+ v, p = 'Cisco', 'IOS/PIX sshd'
+ return cls(v, p, mx.group(1), None, None)
+ mx = re.match(r'^tinyssh_(.*)', software)
+ if mx is not None:
+ return cls(None, Product.TinySSH, mx.group(1), None, None)
+ mx = re.match(r'^PuTTY_Release_(.*)', software)
+ if mx:
+ return cls(None, Product.PuTTY, mx.group(1), None, None)
+ return None