mirror of
https://github.com/jtesta/ssh-audit.git
synced 2024-12-22 14:05:22 +01:00
Use brighter colors on Windows for better readability. Disable unicode characters on Windows since the default terminal does not display them properly.
This commit is contained in:
parent
eb1588ddc7
commit
dc0a959402
283
ssh-audit.py
283
ssh-audit.py
@ -456,6 +456,140 @@ macs = %s
|
||||
return "Name: %s\nVersion: %s\nBanner: %s\nCompressions: %s\nHost Keys: %s\nKey Exchanges: %s\nCiphers: %s\nMACs: %s" % (name, version, banner, compressions_str, host_keys_str, kex_str, ciphers_str, macs_str)
|
||||
|
||||
|
||||
class Utils:
|
||||
@classmethod
|
||||
def _type_err(cls, v: Any, target: str) -> TypeError:
|
||||
return TypeError('cannot convert {} to {}'.format(type(v), target))
|
||||
|
||||
@classmethod
|
||||
def to_bytes(cls, v: Union[bytes, str], enc: str = 'utf-8') -> bytes:
|
||||
if isinstance(v, bytes):
|
||||
return v
|
||||
elif isinstance(v, str):
|
||||
return v.encode(enc)
|
||||
raise cls._type_err(v, 'bytes')
|
||||
|
||||
@classmethod
|
||||
def to_text(cls, v: Union[str, bytes], enc: str = 'utf-8') -> str:
|
||||
if isinstance(v, str):
|
||||
return v
|
||||
elif isinstance(v, bytes):
|
||||
return v.decode(enc)
|
||||
raise cls._type_err(v, 'unicode text')
|
||||
|
||||
@classmethod
|
||||
def _is_ascii(cls, v: str, char_filter: Callable[[int], bool] = lambda x: x <= 127) -> bool:
|
||||
r = False
|
||||
if isinstance(v, str):
|
||||
for c in v:
|
||||
i = cls.ctoi(c)
|
||||
if not char_filter(i):
|
||||
return r
|
||||
r = True
|
||||
return r
|
||||
|
||||
@classmethod
|
||||
def _to_ascii(cls, v: str, char_filter: Callable[[int], bool] = lambda x: x <= 127, errors: str = 'replace') -> str:
|
||||
if isinstance(v, str):
|
||||
r = bytearray()
|
||||
for c in v:
|
||||
i = cls.ctoi(c)
|
||||
if char_filter(i):
|
||||
r.append(i)
|
||||
else:
|
||||
if errors == 'ignore':
|
||||
continue
|
||||
r.append(63)
|
||||
return cls.to_text(r.decode('ascii'))
|
||||
raise cls._type_err(v, 'ascii')
|
||||
|
||||
@classmethod
|
||||
def is_ascii(cls, v: str) -> bool:
|
||||
return cls._is_ascii(v)
|
||||
|
||||
@classmethod
|
||||
def to_ascii(cls, v: str, errors: str = 'replace') -> str:
|
||||
return cls._to_ascii(v, errors=errors)
|
||||
|
||||
@classmethod
|
||||
def is_print_ascii(cls, v: str) -> bool:
|
||||
return cls._is_ascii(v, lambda x: 126 >= x >= 32)
|
||||
|
||||
@classmethod
|
||||
def to_print_ascii(cls, v: str, errors: str = 'replace') -> str:
|
||||
return cls._to_ascii(v, lambda x: 126 >= x >= 32, errors)
|
||||
|
||||
@classmethod
|
||||
def unique_seq(cls, seq: Sequence[Any]) -> Sequence[Any]:
|
||||
seen = set() # type: Set[Any]
|
||||
|
||||
def _seen_add(x: Any) -> bool:
|
||||
seen.add(x)
|
||||
return False
|
||||
|
||||
if isinstance(seq, tuple):
|
||||
return tuple(x for x in seq if x not in seen and not _seen_add(x))
|
||||
else:
|
||||
return [x for x in seq if x not in seen and not _seen_add(x)]
|
||||
|
||||
@classmethod
|
||||
def ctoi(cls, c: Union[str, int]) -> int:
|
||||
if isinstance(c, str):
|
||||
return ord(c[0])
|
||||
else:
|
||||
return c
|
||||
|
||||
@staticmethod
|
||||
def parse_int(v: Any) -> int:
|
||||
try:
|
||||
return int(v)
|
||||
except Exception: # pylint: disable=bare-except
|
||||
return 0
|
||||
|
||||
@staticmethod
|
||||
def parse_float(v: Any) -> float:
|
||||
try:
|
||||
return float(v)
|
||||
except Exception: # pylint: disable=bare-except
|
||||
return -1.0
|
||||
|
||||
@staticmethod
|
||||
def parse_host_and_port(host_and_port: str) -> Tuple[str, int]:
|
||||
'''Parses a string into a tuple of its host and port. The port is 0 if not specified.'''
|
||||
host = host_and_port
|
||||
port = 0
|
||||
|
||||
mx = re.match(r'^\[([^\]]+)\](?::(\d+))?$', host_and_port)
|
||||
if mx is not None:
|
||||
host = mx.group(1)
|
||||
port_str = mx.group(2)
|
||||
if port_str is not None:
|
||||
port = int(port_str)
|
||||
else:
|
||||
s = host_and_port.split(':')
|
||||
if len(s) == 2:
|
||||
host = s[0]
|
||||
if len(s[1]) > 0:
|
||||
port = int(s[1])
|
||||
|
||||
return host, port
|
||||
|
||||
@staticmethod
|
||||
def is_ipv6_address(address: str) -> bool:
|
||||
'''Returns True if address is an IPv6 address, otherwise False.'''
|
||||
is_ipv6 = True
|
||||
try:
|
||||
ipaddress.IPv6Address(address)
|
||||
except ipaddress.AddressValueError:
|
||||
is_ipv6 = False
|
||||
|
||||
return is_ipv6
|
||||
|
||||
@staticmethod
|
||||
def is_windows() -> bool:
|
||||
return sys.platform in ['win32', 'cygwin']
|
||||
|
||||
|
||||
class AuditConf:
|
||||
# pylint: disable=too-many-instance-attributes
|
||||
def __init__(self, host: str = '', port: int = 22) -> None:
|
||||
@ -652,6 +786,10 @@ class Output:
|
||||
LEVELS = ('info', 'warn', 'fail') # type: Sequence[str]
|
||||
COLORS = {'head': 36, 'good': 32, 'warn': 33, 'fail': 31}
|
||||
|
||||
# Use brighter colors on Windows for better readability.
|
||||
if Utils.is_windows():
|
||||
COLORS = {'head': 96, 'good': 92, 'warn': 93, 'fail': 91}
|
||||
|
||||
def __init__(self) -> None:
|
||||
self.batch = False
|
||||
self.verbose = False
|
||||
@ -3388,10 +3526,18 @@ def evaluate_policy(aconf: AuditConf, banner: Optional['SSH.Banner'], client_hos
|
||||
print("Host: %s" % host)
|
||||
print("Policy: %s%s" % (spacing, aconf.policy.get_name_and_version()))
|
||||
print("Result: %s" % spacing, end='')
|
||||
|
||||
# Use these nice unicode characters in the result message, unless we're on Windows (the cmd.exe terminal doesn't display them properly).
|
||||
icon_good = "✔ "
|
||||
icon_fail = "❌ "
|
||||
if Utils.is_windows():
|
||||
icon_good = ""
|
||||
icon_fail = ""
|
||||
|
||||
if passed:
|
||||
out.good("✔ Passed")
|
||||
out.good("%sPassed" % icon_good)
|
||||
else:
|
||||
out.fail("❌ Failed!")
|
||||
out.fail("%sFailed!" % icon_fail)
|
||||
out.warn("\nErrors:\n%s" % error_str)
|
||||
|
||||
return passed
|
||||
@ -3406,7 +3552,8 @@ def list_policies() -> None:
|
||||
# If the path is not a directory, print a useful error and exit.
|
||||
if not os.path.isdir(policies_dir):
|
||||
print("Error: could not find policies directory. Please report this full output to <%s>:" % GITHUB_ISSUES_URL)
|
||||
print("\n__file__: %s" % __file__)
|
||||
print("\nsys.argv[0]: %s" % sys.argv[0])
|
||||
print("__file__: %s" % __file__)
|
||||
print("policies_dir: %s" % policies_dir)
|
||||
sys.exit(PROGRAM_RETVAL_UNKNOWN_ERROR)
|
||||
|
||||
@ -3474,136 +3621,6 @@ def make_policy(aconf: AuditConf, banner: Optional['SSH.Banner'], kex: Optional[
|
||||
print("Error: file already exists: %s" % aconf.policy_file)
|
||||
|
||||
|
||||
class Utils:
|
||||
@classmethod
|
||||
def _type_err(cls, v: Any, target: str) -> TypeError:
|
||||
return TypeError('cannot convert {} to {}'.format(type(v), target))
|
||||
|
||||
@classmethod
|
||||
def to_bytes(cls, v: Union[bytes, str], enc: str = 'utf-8') -> bytes:
|
||||
if isinstance(v, bytes):
|
||||
return v
|
||||
elif isinstance(v, str):
|
||||
return v.encode(enc)
|
||||
raise cls._type_err(v, 'bytes')
|
||||
|
||||
@classmethod
|
||||
def to_text(cls, v: Union[str, bytes], enc: str = 'utf-8') -> str:
|
||||
if isinstance(v, str):
|
||||
return v
|
||||
elif isinstance(v, bytes):
|
||||
return v.decode(enc)
|
||||
raise cls._type_err(v, 'unicode text')
|
||||
|
||||
@classmethod
|
||||
def _is_ascii(cls, v: str, char_filter: Callable[[int], bool] = lambda x: x <= 127) -> bool:
|
||||
r = False
|
||||
if isinstance(v, str):
|
||||
for c in v:
|
||||
i = cls.ctoi(c)
|
||||
if not char_filter(i):
|
||||
return r
|
||||
r = True
|
||||
return r
|
||||
|
||||
@classmethod
|
||||
def _to_ascii(cls, v: str, char_filter: Callable[[int], bool] = lambda x: x <= 127, errors: str = 'replace') -> str:
|
||||
if isinstance(v, str):
|
||||
r = bytearray()
|
||||
for c in v:
|
||||
i = cls.ctoi(c)
|
||||
if char_filter(i):
|
||||
r.append(i)
|
||||
else:
|
||||
if errors == 'ignore':
|
||||
continue
|
||||
r.append(63)
|
||||
return cls.to_text(r.decode('ascii'))
|
||||
raise cls._type_err(v, 'ascii')
|
||||
|
||||
@classmethod
|
||||
def is_ascii(cls, v: str) -> bool:
|
||||
return cls._is_ascii(v)
|
||||
|
||||
@classmethod
|
||||
def to_ascii(cls, v: str, errors: str = 'replace') -> str:
|
||||
return cls._to_ascii(v, errors=errors)
|
||||
|
||||
@classmethod
|
||||
def is_print_ascii(cls, v: str) -> bool:
|
||||
return cls._is_ascii(v, lambda x: 126 >= x >= 32)
|
||||
|
||||
@classmethod
|
||||
def to_print_ascii(cls, v: str, errors: str = 'replace') -> str:
|
||||
return cls._to_ascii(v, lambda x: 126 >= x >= 32, errors)
|
||||
|
||||
@classmethod
|
||||
def unique_seq(cls, seq: Sequence[Any]) -> Sequence[Any]:
|
||||
seen = set() # type: Set[Any]
|
||||
|
||||
def _seen_add(x: Any) -> bool:
|
||||
seen.add(x)
|
||||
return False
|
||||
|
||||
if isinstance(seq, tuple):
|
||||
return tuple(x for x in seq if x not in seen and not _seen_add(x))
|
||||
else:
|
||||
return [x for x in seq if x not in seen and not _seen_add(x)]
|
||||
|
||||
@classmethod
|
||||
def ctoi(cls, c: Union[str, int]) -> int:
|
||||
if isinstance(c, str):
|
||||
return ord(c[0])
|
||||
else:
|
||||
return c
|
||||
|
||||
@staticmethod
|
||||
def parse_int(v: Any) -> int:
|
||||
try:
|
||||
return int(v)
|
||||
except Exception: # pylint: disable=bare-except
|
||||
return 0
|
||||
|
||||
@staticmethod
|
||||
def parse_float(v: Any) -> float:
|
||||
try:
|
||||
return float(v)
|
||||
except Exception: # pylint: disable=bare-except
|
||||
return -1.0
|
||||
|
||||
@staticmethod
|
||||
def parse_host_and_port(host_and_port: str) -> Tuple[str, int]:
|
||||
'''Parses a string into a tuple of its host and port. The port is 0 if not specified.'''
|
||||
host = host_and_port
|
||||
port = 0
|
||||
|
||||
mx = re.match(r'^\[([^\]]+)\](?::(\d+))?$', host_and_port)
|
||||
if mx is not None:
|
||||
host = mx.group(1)
|
||||
port_str = mx.group(2)
|
||||
if port_str is not None:
|
||||
port = int(port_str)
|
||||
else:
|
||||
s = host_and_port.split(':')
|
||||
if len(s) == 2:
|
||||
host = s[0]
|
||||
if len(s[1]) > 0:
|
||||
port = int(s[1])
|
||||
|
||||
return host, port
|
||||
|
||||
@staticmethod
|
||||
def is_ipv6_address(address: str) -> bool:
|
||||
'''Returns True if address is an IPv6 address, otherwise False.'''
|
||||
is_ipv6 = True
|
||||
try:
|
||||
ipaddress.IPv6Address(address)
|
||||
except ipaddress.AddressValueError:
|
||||
is_ipv6 = False
|
||||
|
||||
return is_ipv6
|
||||
|
||||
|
||||
def build_struct(banner: Optional['SSH.Banner'], kex: Optional['SSH2.Kex'] = None, pkm: Optional['SSH1.PublicKeyMessage'] = None, client_host: Optional[str] = None) -> Any:
|
||||
|
||||
banner_str = ''
|
||||
|
Loading…
Reference in New Issue
Block a user