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Added policy checks (#10).

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This commit is contained in:
Joe Testa 2020-06-30 15:53:50 -04:00
parent 8e71c2d66b
commit dd44e2f010
51 changed files with 1328 additions and 40 deletions
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2
LICENSE
View File

@ -1,7 +1,7 @@
The MIT License (MIT)
Copyright (C) 2017-2020 Joe Testa (jtesta@positronsecurity.com)
Copyright (C) 2017 Andris Raugulis (moo@arthepsy.eu)
Copyright (C) 2017-2019 Joe Testa (jtesta@positronsecurity.com)
Permission is hereby granted, free of charge, to any person obtaining a copy

106
docker_test.sh
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@ -465,6 +465,79 @@ function run_test {
}
function run_policy_test {
config_number=$1 # The configuration number to use.
test_number=$2 # The policy test number to run.
expected_exit_code=$3 # The expected exit code of ssh-audit.py.
version=
config=
if [[ ${config_number} == 'config1' ]]; then
version='5.6p1'
config='sshd_config-5.6p1_test1'
elif [[ ${config_number} == 'config2' ]]; then
version='8.0p1'
config='sshd_config-8.0p1_test1'
elif [[ ${config_number} == 'config3' ]]; then
version='5.6p1'
config='sshd_config-5.6p1_test4'
fi
server_exec="/openssh/sshd-${version} -D -f /etc/ssh/${config}"
policy_path="test/docker/policies/policy_${test_number}.txt"
test_result_stdout="${TEST_RESULT_DIR}/openssh_${version}_policy_${test_number}.txt"
test_result_json="${TEST_RESULT_DIR}/openssh_${version}_policy_${test_number}.json"
expected_result_stdout="test/docker/expected_results/openssh_${version}_policy_${test_number}.txt"
expected_result_json="test/docker/expected_results/openssh_${version}_policy_${test_number}.json"
test_name="OpenSSH ${version} policy ${test_number}"
#echo "Running: docker run -d -p 2222:22 ${IMAGE_NAME}:${IMAGE_VERSION} ${server_exec}"
cid=`docker run -d -p 2222:22 ${IMAGE_NAME}:${IMAGE_VERSION} ${server_exec}`
if [[ $? != 0 ]]; then
echo -e "${REDB}Failed to run docker image! (exit code: $?)${CLR}"
exit 1
fi
#echo "Running: ./ssh-audit.py -P ${policy_path} localhost:2222 > ${test_result_stdout}"
./ssh-audit.py -P ${policy_path} localhost:2222 > ${test_result_stdout}
actual_exit_code=$?
if [[ ${actual_exit_code} != ${expected_exit_code} ]]; then
echo -e "${test_name} ${REDB}FAILED${CLR} (expected exit code: ${expected_exit_code}; actual exit code: ${actual_exit_code}"
docker container stop -t 0 $cid > /dev/null
exit 1
fi
#echo "Running: ./ssh-audit.py -P ${policy_path} -j localhost:2222 > ${test_result_json}"
./ssh-audit.py -P ${policy_path} -j localhost:2222 > ${test_result_json}
actual_exit_code=$?
if [[ ${actual_exit_code} != ${expected_exit_code} ]]; then
echo -e "${test_name} ${REDB}FAILED${CLR} (expected exit code: ${expected_exit_code}; actual exit code: ${actual_exit_code}"
docker container stop -t 0 $cid > /dev/null
exit 1
fi
docker container stop -t 0 $cid > /dev/null
if [[ $? != 0 ]]; then
echo -e "${REDB}Failed to stop docker container ${cid}! (exit code: $?)${CLR}"
exit 1
fi
diff=`diff -u ${expected_result_stdout} ${test_result_stdout}`
if [[ $? != 0 ]]; then
echo -e "${test_name} ${REDB}FAILED${CLR}.\n\n${diff}\n"
exit 1
fi
diff=`diff -u ${expected_result_json} ${test_result_json}`
if [[ $? != 0 ]]; then
echo -e "${test_name} ${REDB}FAILED${CLR}.\n\n${diff}\n"
exit 1
fi
echo -e "${test_name} ${GREEN}passed${CLR}."
}
# First check if docker is functional.
docker version > /dev/null
if [[ $? != 0 ]]; then
@ -502,6 +575,39 @@ echo
run_dropbear_test '2019.78' 'test1' '-r /etc/dropbear/dropbear_rsa_host_key_1024 -r /etc/dropbear/dropbear_dss_host_key -r /etc/dropbear/dropbear_ecdsa_host_key'
echo
run_tinyssh_test '20190101' 'test1'
echo
echo
run_policy_test 'config1' 'test1' '0'
run_policy_test 'config1' 'test2' '1'
run_policy_test 'config1' 'test3' '1'
run_policy_test 'config1' 'test4' '1'
run_policy_test 'config1' 'test5' '1'
run_policy_test 'config2' 'test6' '0'
# Passing test with host key certificate and CA key certificates.
run_policy_test 'config3' 'test7' '0'
# Failing test with host key certificate and non-compliant CA key length.
run_policy_test 'config3' 'test8' '1'
# Failing test with non-compliant host key certificate and CA key certificate.
run_policy_test 'config3' 'test9' '1'
# Failing test with non-compliant host key certificate and non-compliant CA key certificate.
run_policy_test 'config3' 'test10' '1'
# Passing test with host key size check.
run_policy_test 'config2' 'test11' '0'
# Failing test with non-compliant host key size check.
run_policy_test 'config2' 'test12' '1'
# Passing test with DH modulus test.
run_policy_test 'config2' 'test13' '0'
# Failing test with DH modulus test.
run_policy_test 'config2' 'test14' '1'
# The test functions above will terminate the script on failure, so if we reached here,
# all tests are successful.

440
ssh-audit.py
View File

@ -23,6 +23,7 @@
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
"""
from datetime import date
import base64
import binascii
import errno
@ -37,6 +38,7 @@ import select
import socket
import struct
import sys
import traceback
# pylint: disable=unused-import
from typing import Dict, List, Set, Sequence, Tuple, Iterable
from typing import Callable, Optional, Union, Any
@ -57,27 +59,340 @@ def usage(err: Optional[str] = None) -> None:
uout.head('# {} {}, https://github.com/jtesta/ssh-audit\n'.format(p, VERSION))
if err is not None and len(err) > 0:
uout.fail('\n' + err)
uout.info('usage: {} [-1246pbcnjvlt] <host>\n'.format(p))
uout.info('usage: {0} [-h1246ptbcPjlnv] <host>\n'.format(p))
uout.info(' -h, --help print this help')
uout.info(' -1, --ssh1 force ssh version 1 only')
uout.info(' -2, --ssh2 force ssh version 2 only')
uout.info(' -4, --ipv4 enable IPv4 (order of precedence)')
uout.info(' -6, --ipv6 enable IPv6 (order of precedence)')
uout.info(' -p, --port=<port> port to connect')
uout.info(' -t, --timeout=<secs> timeout (in seconds) for connection and reading\n (default: 5)')
uout.info('')
uout.info(' -b, --batch batch output')
uout.info(' -c, --client-audit starts a server on port 2222 to audit client\n software config (use -p to change port;\n use -t to change timeout)')
uout.info(' -n, --no-colors disable colors')
uout.info(' -M, --make-policy=<policy.txt> creates a policy based on the target server\n (i.e.: the target server has the ideal\n configuration that other servers should\n adhere to)')
uout.info(' -P, --policy=<policy.txt> run a policy test using the specified policy')
uout.info('')
uout.info(' -j, --json JSON output')
uout.info(' -v, --verbose verbose output')
uout.info(' -l, --level=<level> minimum output level (info|warn|fail)')
uout.info(' -t, --timeout=<secs> timeout (in seconds) for connection and reading\n (default: 5)')
uout.info(' -n, --no-colors disable colors')
uout.info(' -v, --verbose verbose output')
uout.sep()
sys.exit(1)
# Validates policy files and performs policy testing
class Policy:
def __init__(self, policy_file: str = None, policy_data: str = None) -> None:
self._name = None # type: Optional[str]
self._version = None # type: Optional[str]
self._banner = None # type: Optional[str]
self._header = None # type: Optional[str]
self._compressions = None # type: Optional[List[str]]
self._host_keys = None # type: Optional[List[str]]
self._kex = None # type: Optional[List[str]]
self._ciphers = None # type: Optional[List[str]]
self._macs = None # type: Optional[List[str]]
self._hostkey_sizes = None # type: Optional[Dict[str, int]]
self._cakey_sizes = None # type: Optional[Dict[str, int]]
self._dh_modulus_sizes = None # type: Optional[Dict[str, int]]
if (policy_file is None) and (policy_data is None):
raise RuntimeError('policy_file and policy_data must not both be None.')
elif (policy_file is not None) and (policy_data is not None):
raise RuntimeError('policy_file and policy_data must not both be specified.')
if policy_file is not None:
with open(policy_file, "r") as f:
policy_data = f.read()
lines = []
if policy_data is not None:
lines = policy_data.split("\n")
for line in lines:
line = line.strip()
if (len(line) == 0) or line.startswith('#'):
continue
key = None
val = None
try:
key, val = line.split('=')
except ValueError:
raise ValueError("could not parse line: %s" % line)
key = key.strip()
val = val.strip()
if key not in ['name', 'version', 'banner', 'header', 'compressions', 'host keys', 'key exchanges', 'ciphers', 'macs'] and not key.startswith('hostkey_size_') and not key.startswith('cakey_size_') and not key.startswith('dh_modulus_size_'):
raise ValueError("invalid field found in policy: %s" % line)
if key in ['name', 'banner', 'header']:
# If the banner value is blank, set it to "" so that the code below handles it.
if len(val) < 2:
val = "\"\""
if (val[0] != '"') or (val[-1] != '"'):
raise ValueError('the value for the %s field must be enclosed in quotes: %s' % (key, val))
# Remove the surrounding quotes, and unescape quotes & newlines.
val = val[1:-1]. replace("\\\"", "\"").replace("\\n", "\n")
if key == 'name':
self._name = val
elif key == 'banner':
self._banner = val
else:
self._header = val
elif key == 'version':
self._version = val
elif key in ['compressions', 'host keys', 'key exchanges', 'ciphers', 'macs']:
try:
algs = val.split(',')
except ValueError:
# If the value has no commas, then set the algorithm list to just the value.
algs = [val]
# Strip whitespace in each algorithm name.
algs = [alg.strip() for alg in algs]
if key == 'compressions':
self._compressions = algs
elif key == 'host keys':
self._host_keys = algs
elif key == 'key exchanges':
self._kex = algs
elif key == 'ciphers':
self._ciphers = algs
elif key == 'macs':
self._macs = algs
elif key.startswith('hostkey_size_'):
hostkey_type = key[13:]
if self._hostkey_sizes is None:
self._hostkey_sizes = {}
self._hostkey_sizes[hostkey_type] = int(val)
elif key.startswith('cakey_size_'):
cakey_type = key[11:]
if self._cakey_sizes is None:
self._cakey_sizes = {}
self._cakey_sizes[cakey_type] = int(val)
elif key.startswith('dh_modulus_size_'):
dh_modulus_type = key[16:]
if self._dh_modulus_sizes is None:
self._dh_modulus_sizes = {}
self._dh_modulus_sizes[dh_modulus_type] = int(val)
if self._name is None:
raise ValueError('The policy does not have a name field.')
if self._version is None:
raise ValueError('The policy does not have a version field.')
@staticmethod
def create(host: str, banner: Optional['SSH.Banner'], header: List[str], kex: Optional['SSH2.Kex']) -> str:
'''Creates a policy based on a server configuration. Returns a string.'''
today = date.today().strftime('%Y/%m/%d')
compressions = None
host_keys = None
kex_algs = None
ciphers = None
macs = None
rsa_hostkey_sizes_str = ''
rsa_cakey_sizes_str = ''
dh_modulus_sizes_str = ''
if kex is not None:
if kex.server.compression is not None:
compressions = ', '.join(kex.server.compression)
if kex.key_algorithms is not None:
host_keys = ', '.join(kex.key_algorithms)
if kex.kex_algorithms is not None:
kex_algs = ', '.join(kex.kex_algorithms)
if kex.server.encryption is not None:
ciphers = ', '.join(kex.server.encryption)
if kex.server.mac is not None:
macs = ', '.join(kex.server.mac)
if kex.rsa_key_sizes():
rsa_key_sizes_dict = kex.rsa_key_sizes()
for host_key_type in sorted(rsa_key_sizes_dict):
hostkey_size, cakey_size = rsa_key_sizes_dict[host_key_type]
rsa_hostkey_sizes_str = "%shostkey_size_%s = %d\n" % (rsa_hostkey_sizes_str, host_key_type, hostkey_size)
if cakey_size != -1:
rsa_cakey_sizes_str = "%scakey_size_%s = %d\n" % (rsa_cakey_sizes_str, host_key_type, cakey_size)
if len(rsa_hostkey_sizes_str) > 0:
rsa_hostkey_sizes_str = "\n# RSA host key sizes.\n%s" % rsa_hostkey_sizes_str
if len(rsa_cakey_sizes_str) > 0:
rsa_cakey_sizes_str = "\n# RSA CA key sizes.\n%s" % rsa_cakey_sizes_str
if kex.dh_modulus_sizes():
dh_modulus_sizes_dict = kex.dh_modulus_sizes()
for gex_type in sorted(dh_modulus_sizes_dict):
modulus_size, _ = dh_modulus_sizes_dict[gex_type]
dh_modulus_sizes_str = "%sdh_modulus_size_%s = %d\n" % (dh_modulus_sizes_str, gex_type, modulus_size)
if len(dh_modulus_sizes_str) > 0:
dh_modulus_sizes_str = "\n# Group exchange DH modulus sizes.\n%s" % dh_modulus_sizes_str
policy_data = '''#
# Custom policy based on %s (created on %s)
#
# The name of this policy (displayed in the output during scans). Must be in quotes.
name = "Custom Policy (based on %s on %s)"
# The version of this policy (displayed in the output during scans). Not parsed, and may be any value, including strings.
version = 1
# The banner that must match exactly. Commented out to ignore banners, since minor variability in the banner is sometimes normal.
# banner = "%s"
# The header that must match exactly. Commented out to ignore headers, since variability in the header is sometimes normal.
# header = "%s"
# The compression options that must match exactly (order matters). Commented out to ignore by default.
# compressions = %s
%s%s%s
# The host key types that must match exactly (order matters).
host keys = %s
# The key exchange algorithms that must match exactly (order matters).
key exchanges = %s
# The ciphers that must match exactly (order matters).
ciphers = %s
# The MACs that must match exactly (order matters).
macs = %s
''' % (host, today, host, today, banner, header, compressions, rsa_hostkey_sizes_str, rsa_cakey_sizes_str, dh_modulus_sizes_str, host_keys, kex_algs, ciphers, macs)
return policy_data
def evaluate(self, banner: Optional['SSH.Banner'], header: List[str], kex: Optional['SSH2.Kex']) -> Tuple[bool, List[str]]:
'''Evaluates a server configuration against this policy. Returns a tuple of a boolean (True if server adheres to policy) and an array of strings that holds error messages.'''
ret = True
errors = []
banner_str = str(banner)
if (self._banner is not None) and (banner_str != self._banner):
ret = False
errors.append('Banner did not match. Expected: [%s]; Actual: [%s]' % (self._banner, banner_str))
if (self._header is not None) and (header != self._header):
ret = False
errors.append('Header did not match. Expected: [%s]; Actual: [%s]' % (self._header, header))
# All subsequent tests require a valid kex, so end here if we don't have one.
if kex is None:
return ret, errors
if (self._compressions is not None) and (kex.server.compression != self._compressions):
ret = False
errors.append('Compression types did not match. Expected: %s; Actual: %s' % (self._compressions, kex.server.compression))
if (self._host_keys is not None) and (kex.key_algorithms != self._host_keys):
ret = False
errors.append('Host key types did not match. Expected: %s; Actual: %s' % (self._host_keys, kex.key_algorithms))
if self._hostkey_sizes is not None:
hostkey_types = list(self._hostkey_sizes.keys())
hostkey_types.sort() # Sorted to make testing output repeatable.
for hostkey_type in hostkey_types:
expected_hostkey_size = self._hostkey_sizes[hostkey_type]
if hostkey_type in kex.rsa_key_sizes():
actual_hostkey_size, actual_cakey_size = kex.rsa_key_sizes()[hostkey_type]
if actual_hostkey_size != expected_hostkey_size:
ret = False
errors.append('RSA hostkey (%s) sizes did not match. Expected: %d; Actual: %d' % (hostkey_type, expected_hostkey_size, actual_hostkey_size))
if self._cakey_sizes is not None:
hostkey_types = list(self._cakey_sizes.keys())
hostkey_types.sort() # Sorted to make testing output repeatable.
for hostkey_type in hostkey_types:
expected_cakey_size = self._cakey_sizes[hostkey_type]
if hostkey_type in kex.rsa_key_sizes():
actual_hostkey_size, actual_cakey_size = kex.rsa_key_sizes()[hostkey_type]
if actual_cakey_size != expected_cakey_size:
ret = False
errors.append('RSA CA key (%s) sizes did not match. Expected: %d; Actual: %d' % (hostkey_type, expected_cakey_size, actual_cakey_size))
if kex.kex_algorithms != self._kex:
ret = False
errors.append('Key exchanges did not match. Expected: %s; Actual: %s' % (self._kex, kex.kex_algorithms))
if (self._ciphers is not None) and (kex.server.encryption != self._ciphers):
ret = False
errors.append('Ciphers did not match. Expected: %s; Actual: %s' % (self._ciphers, kex.server.encryption))
if (self._macs is not None) and (kex.server.mac != self._macs):
ret = False
errors.append('MACs did not match. Expected: %s; Actual: %s' % (self._macs, kex.server.mac))
if self._dh_modulus_sizes is not None:
dh_modulus_types = list(self._dh_modulus_sizes.keys())
dh_modulus_types.sort() # Sorted to make testing output repeatable.
for dh_modulus_type in dh_modulus_types:
expected_dh_modulus_size = self._dh_modulus_sizes[dh_modulus_type]
if dh_modulus_type in kex.dh_modulus_sizes():
actual_dh_modulus_size, _ = kex.dh_modulus_sizes()[dh_modulus_type]
if expected_dh_modulus_size != actual_dh_modulus_size:
ret = False
errors.append('Group exchange (%s) modulus sizes did not match. Expected: %d; Actual: %d' % (dh_modulus_type, expected_dh_modulus_size, actual_dh_modulus_size))
return ret, errors
def get_name_and_version(self) -> str:
'''Returns a string of this Policy's name and version.'''
return '%s v%s' % (self._name, self._version)
def __str__(self) -> str:
undefined = '{undefined}'
name = undefined
version = undefined
banner = undefined
header = undefined
compressions_str = undefined
host_keys_str = undefined
kex_str = undefined
ciphers_str = undefined
macs_str = undefined
if self._name is not None:
name = '[%s]' % self._name
if self._version is not None:
version = '[%s]' % self._version
if self._banner is not None:
banner = '[%s]' % self._banner
if self._header is not None:
header = '[%s]' % self._header
if self._compressions is not None:
compressions_str = ', '.join(self._compressions)
if self._host_keys is not None:
host_keys_str = ', '.join(self._host_keys)
if self._kex is not None:
kex_str = ', '.join(self._kex)
if self._ciphers is not None:
ciphers_str = ', '.join(self._ciphers)
if self._macs is not None:
macs_str = ', '.join(self._macs)
return "Name: %s\nVersion: %s\nBanner: %s\nHeader: %s\nCompressions: %s\nHost Keys: %s\nKey Exchanges: %s\nCiphers: %s\nMACs: %s" % (name, version, banner, header, compressions_str, host_keys_str, kex_str, ciphers_str, macs_str)
class AuditConf:
# pylint: disable=too-many-instance-attributes
def __init__(self, host: Optional[str] = None, port: int = 22) -> None:
def __init__(self, host: str = '', port: int = 22) -> None:
self.host = host
self.port = port
self.ssh1 = True
@ -91,12 +406,15 @@ class AuditConf:
self.ipvo = () # type: Sequence[int]
self.ipv4 = False
self.ipv6 = False
self.make_policy = False # When True, creates a policy file from an audit scan.
self.policy_file = None # type: Optional[str] # File system path to a policy
self.policy = None # type: Optional[Policy] # Policy object
self.timeout = 5.0
self.timeout_set = False # Set to True when the user explicitly sets it.
def __setattr__(self, name: str, value: Union[str, int, float, bool, Sequence[int]]) -> None:
valid = False
if name in ['ssh1', 'ssh2', 'batch', 'client_audit', 'colors', 'verbose', 'timeout_set', 'json']:
if name in ['ssh1', 'ssh2', 'batch', 'client_audit', 'colors', 'verbose', 'timeout_set', 'json', 'make_policy']:
valid, value = True, bool(value)
elif name in ['ipv4', 'ipv6']:
valid = False
@ -134,6 +452,9 @@ class AuditConf:
if value == -1.0:
raise ValueError('invalid timeout: {}'.format(value))
valid = True
elif name in ['policy_file', 'policy']:
valid = True
if valid:
object.__setattr__(self, name, value)
@ -142,13 +463,13 @@ class AuditConf:
# pylint: disable=too-many-branches
aconf = cls()
try:
sopts = 'h1246p:bcnjvl:t:'
lopts = ['help', 'ssh1', 'ssh2', 'ipv4', 'ipv6', 'port=', 'json',
'batch', 'client-audit', 'no-colors', 'verbose', 'level=', 'timeout=']
sopts = 'h1246M:p:P:jbcnvl:t:'
lopts = ['help', 'ssh1', 'ssh2', 'ipv4', 'ipv6', 'make-policy=', 'port=', 'policy=', 'json', 'batch', 'client-audit', 'no-colors', 'verbose', 'level=', 'timeout=']
opts, args = getopt.gnu_getopt(args, sopts, lopts)
except getopt.GetoptError as err:
usage_cb(str(err))
aconf.ssh1, aconf.ssh2 = False, False
host = '' # type: str
oport = None
for o, a in opts:
if o in ('-h', '--help'):
@ -181,11 +502,16 @@ class AuditConf:
elif o in ('-t', '--timeout'):
aconf.timeout = float(a)
aconf.timeout_set = True
elif o in ('-M', '--make-policy'):
aconf.make_policy = True
aconf.policy_file = a
elif o in ('-P', '--policy'):
aconf.policy_file = a
if len(args) == 0 and aconf.client_audit is False:
usage_cb()
if aconf.client_audit is False:
if oport is not None:
host = args[0] # type: Optional[str]
host = args[0]
else:
mx = re.match(r'^\[([^\]]+)\](?::(.*))?$', args[0])
if mx is not None:
@ -198,10 +524,8 @@ class AuditConf:
host, oport = s[0], s[1] if len(s) > 1 else '22'
if not host:
usage_cb('host is empty')
else:
host = None
if oport is None:
oport = '2222'
elif oport is None:
oport = '2222'
port = utils.parse_int(oport)
if port <= 0 or port > 65535:
usage_cb('port {} is not valid'.format(oport))
@ -209,6 +533,15 @@ class AuditConf:
aconf.port = port
if not (aconf.ssh1 or aconf.ssh2):
aconf.ssh1, aconf.ssh2 = True, True
# If a policy file was provided, validate it.
if (aconf.policy_file is not None) and (aconf.make_policy is False):
try:
aconf.policy = Policy(policy_file=aconf.policy_file)
except Exception as e:
print("Error while loading policy file: %s: %s" % (str(e), traceback.format_exc()))
sys.exit(-1)
return aconf
@ -2782,7 +3115,13 @@ def output_info(software: Optional['SSH.Software'], client_audit: bool, any_prob
out.sep()
def output(banner: Optional[SSH.Banner], header: List[str], client_host: Optional[str] = None, kex: Optional[SSH2.Kex] = None, pkm: Optional[SSH1.PublicKeyMessage] = None) -> None:
def output(aconf: AuditConf, banner: Optional[SSH.Banner], header: List[str], client_host: Optional[str] = None, kex: Optional[SSH2.Kex] = None, pkm: Optional[SSH1.PublicKeyMessage] = None) -> None:
# If the user requested JSON output, output that and return immediately.
if aconf.json:
print(json.dumps(build_struct(banner, kex=kex, client_host=client_host), sort_keys=True))
return
client_audit = client_host is not None # If set, this is a client audit.
sshv = 1 if pkm is not None else 2
algs = SSH.Algorithms(pkm, kex)
@ -2848,6 +3187,40 @@ def output(banner: Optional[SSH.Banner], header: List[str], client_host: Optiona
out.warn("\n\n!!! WARNING: unknown algorithm(s) found!: %s. Please email the full output above to the maintainer (jtesta@positronsecurity.com), or create a Github issue at <https://github.com/jtesta/ssh-audit/issues>.\n" % ','.join(unknown_algorithms))
def evaluate_policy(aconf: AuditConf, banner: Optional['SSH.Banner'], header: List[str], kex: Optional['SSH2.Kex'] = None) -> bool:
if aconf.policy is None:
raise RuntimeError('Internal error: cannot evaluate against null Policy!')
passed, errors = aconf.policy.evaluate(banner, header, kex)
if aconf.json:
json_struct = {'host': aconf.host, 'policy': aconf.policy.get_name_and_version(), 'passed': passed, 'errors': errors}
print(json.dumps(json_struct, sort_keys=True))
else:
print("Host: %s" % aconf.host)
print("Policy: %s" % aconf.policy.get_name_and_version())
print("Result: ", end='')
if passed:
out.good("✔ Passed")
else:
out.fail("❌ Failed!")
out.warn("\nErrors:\n * %s" % '\n * '.join(errors))
return passed
def make_policy(aconf: AuditConf, banner: Optional['SSH.Banner'], header: List[str], kex: Optional['SSH2.Kex']) -> None:
policy_data = Policy.create(aconf.host, banner, header, kex)
if aconf.policy_file is None:
raise RuntimeError('Internal error: cannot write policy file since filename is None!')
with open(aconf.policy_file, 'w') as f:
f.write(policy_data)
print("Wrote policy to %s. Customize as necessary." % aconf.policy_file)
class Utils:
@classmethod
def _type_err(cls, v: Any, target: str) -> TypeError:
@ -3024,7 +3397,7 @@ def build_struct(banner, kex=None, pkm=None, client_host=None):
return res
def audit(aconf: AuditConf, sshv: Optional[int] = None) -> None:
def audit(aconf: AuditConf, sshv: Optional[int] = None) -> int:
out.batch = aconf.batch
out.verbose = aconf.verbose
out.level = aconf.level
@ -3055,8 +3428,7 @@ def audit(aconf: AuditConf, sshv: Optional[int] = None) -> None:
payload_txt = u'"{}"'.format(repr(payload).lstrip('b')[1:-1])
if payload_txt == u'Protocol major versions differ.':
if sshv == 2 and aconf.ssh1:
audit(aconf, 1)
return
return audit(aconf, 1)
err = '[exception] error reading packet ({})'.format(payload_txt)
else:
err_pair = None
@ -3069,34 +3441,48 @@ def audit(aconf: AuditConf, sshv: Optional[int] = None) -> None:
'instead received unknown message ({2})'
err = fmt.format(err_pair[0], err_pair[1], packet_type)
if err is not None:
output(banner, header)
output(aconf, banner, header)
out.fail(err)
sys.exit(1)
return 1
if sshv == 1:
pkm = SSH1.PublicKeyMessage.parse(payload)
if aconf.json:
print(json.dumps(build_struct(banner, pkm=pkm), sort_keys=True))
else:
output(banner, header, pkm=pkm)
output(aconf, banner, header, pkm=pkm)
elif sshv == 2:
kex = SSH2.Kex.parse(payload)
if aconf.client_audit is False:
SSH2.HostKeyTest.run(s, kex)
SSH2.GEXTest.run(s, kex)
if aconf.json:
print(json.dumps(build_struct(banner, kex=kex, client_host=s.client_host), sort_keys=True))
# This is a standard audit scan.
if (aconf.policy is None) and (aconf.make_policy is False):
output(aconf, banner, header, client_host=s.client_host, kex=kex)
# This is a policy test.
elif (aconf.policy is not None) and (aconf.make_policy is False):
return 0 if evaluate_policy(aconf, banner, header, kex=kex) else 1
# A new policy should be made from this scan.
elif (aconf.policy is None) and (aconf.make_policy is True):
make_policy(aconf, banner, header, kex=kex)
else:
output(banner, header, client_host=s.client_host, kex=kex)
raise RuntimeError('Internal error while handling output: %r %r' % (aconf.policy is None, aconf.make_policy))
return 0
utils = Utils()
out = Output()
def main() -> None: # printed text is still None
def main() -> int:
conf = AuditConf.from_cmdline(sys.argv[1:], usage)
audit(conf)
return audit(conf)
if __name__ == '__main__': # pragma: nocover
main()
exit_code = main()
sys.exit(exit_code)

1
test/docker/expected_results/openssh_5.6p1_policy_test1.json Normal file
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@ -0,0 +1 @@
{"errors": [], "host": "localhost", "passed": true, "policy": "Docker policy: test1 v1"}

3
test/docker/expected_results/openssh_5.6p1_policy_test1.txt Normal file
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@ -0,0 +1,3 @@
Host: localhost
Policy: Docker policy: test1 v1
Result: ✔ Passed

1
test/docker/expected_results/openssh_5.6p1_policy_test10.json Normal file
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@ -0,0 +1 @@
{"errors": ["RSA hostkey (ssh-rsa-cert-v01@openssh.com) sizes did not match. Expected: 4096; Actual: 3072", "RSA CA key (ssh-rsa-cert-v01@openssh.com) sizes did not match. Expected: 4096; Actual: 1024"], "host": "localhost", "passed": false, "policy": "Docker poliicy: test10 v1"}

7
test/docker/expected_results/openssh_5.6p1_policy_test10.txt Normal file
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@ -0,0 +1,7 @@
Host: localhost
Policy: Docker poliicy: test10 v1
Result: ❌ Failed!

Errors:
* RSA hostkey (ssh-rsa-cert-v01@openssh.com) sizes did not match. Expected: 4096; Actual: 3072
* RSA CA key (ssh-rsa-cert-v01@openssh.com) sizes did not match. Expected: 4096; Actual: 1024

1
test/docker/expected_results/openssh_5.6p1_policy_test2.json Normal file
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@ -0,0 +1 @@
{"errors": ["Key exchanges did not match. Expected: ['kex_alg1', 'kex_alg2']; Actual: ['diffie-hellman-group-exchange-sha256', 'diffie-hellman-group-exchange-sha1', 'diffie-hellman-group14-sha1', 'diffie-hellman-group1-sha1']"], "host": "localhost", "passed": false, "policy": "Docker policy: test2 v1"}

6
test/docker/expected_results/openssh_5.6p1_policy_test2.txt Normal file
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@ -0,0 +1,6 @@
Host: localhost
Policy: Docker policy: test2 v1
Result: ❌ Failed!

Errors:
* Key exchanges did not match. Expected: ['kex_alg1', 'kex_alg2']; Actual: ['diffie-hellman-group-exchange-sha256', 'diffie-hellman-group-exchange-sha1', 'diffie-hellman-group14-sha1', 'diffie-hellman-group1-sha1']

1
test/docker/expected_results/openssh_5.6p1_policy_test3.json Normal file
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@ -0,0 +1 @@
{"errors": ["Host key types did not match. Expected: ['ssh-rsa', 'ssh-dss', 'key_alg1']; Actual: ['ssh-rsa', 'ssh-dss']"], "host": "localhost", "passed": false, "policy": "Docker policy: test3 v1"}

6
test/docker/expected_results/openssh_5.6p1_policy_test3.txt Normal file
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@ -0,0 +1,6 @@
Host: localhost
Policy: Docker policy: test3 v1
Result: ❌ Failed!

Errors:
* Host key types did not match. Expected: ['ssh-rsa', 'ssh-dss', 'key_alg1']; Actual: ['ssh-rsa', 'ssh-dss']

1
test/docker/expected_results/openssh_5.6p1_policy_test4.json Normal file
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@ -0,0 +1 @@
{"errors": ["Ciphers did not match. Expected: ['cipher_alg1', 'cipher_alg2']; Actual: ['aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'arcfour256', 'arcfour128', 'aes128-cbc', '3des-cbc', 'blowfish-cbc', 'cast128-cbc', 'aes192-cbc', 'aes256-cbc', 'arcfour', 'rijndael-cbc@lysator.liu.se']"], "host": "localhost", "passed": false, "policy": "Docker policy: test4 v1"}

6
test/docker/expected_results/openssh_5.6p1_policy_test4.txt Normal file
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@ -0,0 +1,6 @@
Host: localhost
Policy: Docker policy: test4 v1
Result: ❌ Failed!

Errors:
* Ciphers did not match. Expected: ['cipher_alg1', 'cipher_alg2']; Actual: ['aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'arcfour256', 'arcfour128', 'aes128-cbc', '3des-cbc', 'blowfish-cbc', 'cast128-cbc', 'aes192-cbc', 'aes256-cbc', 'arcfour', 'rijndael-cbc@lysator.liu.se']

1
test/docker/expected_results/openssh_5.6p1_policy_test5.json Normal file
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@ -0,0 +1 @@
{"errors": ["MACs did not match. Expected: ['hmac-md5', 'hmac-sha1', 'umac-64@openssh.com', 'hmac-ripemd160', 'hmac-ripemd160@openssh.com', 'hmac_alg1', 'hmac-md5-96']; Actual: ['hmac-md5', 'hmac-sha1', 'umac-64@openssh.com', 'hmac-ripemd160', 'hmac-ripemd160@openssh.com', 'hmac-sha1-96', 'hmac-md5-96']"], "host": "localhost", "passed": false, "policy": "Docker policy: test5 v1"}

6
test/docker/expected_results/openssh_5.6p1_policy_test5.txt Normal file
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@ -0,0 +1,6 @@
Host: localhost
Policy: Docker policy: test5 v1
Result: ❌ Failed!

Errors:
* MACs did not match. Expected: ['hmac-md5', 'hmac-sha1', 'umac-64@openssh.com', 'hmac-ripemd160', 'hmac-ripemd160@openssh.com', 'hmac_alg1', 'hmac-md5-96']; Actual: ['hmac-md5', 'hmac-sha1', 'umac-64@openssh.com', 'hmac-ripemd160', 'hmac-ripemd160@openssh.com', 'hmac-sha1-96', 'hmac-md5-96']

1
test/docker/expected_results/openssh_5.6p1_policy_test7.json Normal file
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@ -0,0 +1 @@
{"errors": [], "host": "localhost", "passed": true, "policy": "Docker poliicy: test7 v1"}

3
test/docker/expected_results/openssh_5.6p1_policy_test7.txt Normal file
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@ -0,0 +1,3 @@
Host: localhost
Policy: Docker poliicy: test7 v1
Result: ✔ Passed

1
test/docker/expected_results/openssh_5.6p1_policy_test8.json Normal file
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@ -0,0 +1 @@
{"errors": ["RSA CA key (ssh-rsa-cert-v01@openssh.com) sizes did not match. Expected: 2048; Actual: 1024"], "host": "localhost", "passed": false, "policy": "Docker poliicy: test8 v1"}

6
test/docker/expected_results/openssh_5.6p1_policy_test8.txt Normal file
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@ -0,0 +1,6 @@
Host: localhost
Policy: Docker poliicy: test8 v1
Result: ❌ Failed!

Errors:
* RSA CA key (ssh-rsa-cert-v01@openssh.com) sizes did not match. Expected: 2048; Actual: 1024

1
test/docker/expected_results/openssh_5.6p1_policy_test9.json Normal file
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@ -0,0 +1 @@
{"errors": ["RSA hostkey (ssh-rsa-cert-v01@openssh.com) sizes did not match. Expected: 4096; Actual: 3072"], "host": "localhost", "passed": false, "policy": "Docker poliicy: test9 v1"}

6
test/docker/expected_results/openssh_5.6p1_policy_test9.txt Normal file
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@ -0,0 +1,6 @@
Host: localhost
Policy: Docker poliicy: test9 v1
Result: ❌ Failed!

Errors:
* RSA hostkey (ssh-rsa-cert-v01@openssh.com) sizes did not match. Expected: 4096; Actual: 3072

1
test/docker/expected_results/openssh_8.0p1_policy_test11.json Normal file
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@ -0,0 +1 @@
{"errors": [], "host": "localhost", "passed": true, "policy": "Docker policy: test11 v1"}

3
test/docker/expected_results/openssh_8.0p1_policy_test11.txt Normal file
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@ -0,0 +1,3 @@
Host: localhost
Policy: Docker policy: test11 v1
Result: ✔ Passed

1
test/docker/expected_results/openssh_8.0p1_policy_test12.json Normal file
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@ -0,0 +1 @@
{"errors": ["RSA hostkey (rsa-sha2-256) sizes did not match. Expected: 4096; Actual: 3072", "RSA hostkey (rsa-sha2-512) sizes did not match. Expected: 4096; Actual: 3072", "RSA hostkey (ssh-rsa) sizes did not match. Expected: 4096; Actual: 3072"], "host": "localhost", "passed": false, "policy": "Docker policy: test12 v1"}

8
test/docker/expected_results/openssh_8.0p1_policy_test12.txt Normal file
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@ -0,0 +1,8 @@
Host: localhost
Policy: Docker policy: test12 v1
Result: ❌ Failed!

Errors:
* RSA hostkey (rsa-sha2-256) sizes did not match. Expected: 4096; Actual: 3072
* RSA hostkey (rsa-sha2-512) sizes did not match. Expected: 4096; Actual: 3072
* RSA hostkey (ssh-rsa) sizes did not match. Expected: 4096; Actual: 3072

1
test/docker/expected_results/openssh_8.0p1_policy_test13.json Normal file
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@ -0,0 +1 @@
{"errors": [], "host": "localhost", "passed": true, "policy": "Docker policy: test13 v1"}

3
test/docker/expected_results/openssh_8.0p1_policy_test13.txt Normal file
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@ -0,0 +1,3 @@
Host: localhost
Policy: Docker policy: test13 v1
Result: ✔ Passed

1
test/docker/expected_results/openssh_8.0p1_policy_test14.json Normal file
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@ -0,0 +1 @@
{"errors": ["Group exchange (diffie-hellman-group-exchange-sha256) modulus sizes did not match. Expected: 4096; Actual: 2048"], "host": "localhost", "passed": false, "policy": "Docker policy: test14 v1"}

6
test/docker/expected_results/openssh_8.0p1_policy_test14.txt Normal file
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@ -0,0 +1,6 @@
Host: localhost
Policy: Docker policy: test14 v1
Result: ❌ Failed!

Errors:
* Group exchange (diffie-hellman-group-exchange-sha256) modulus sizes did not match. Expected: 4096; Actual: 2048

1
test/docker/expected_results/openssh_8.0p1_policy_test6.json Normal file
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@ -0,0 +1 @@
{"errors": [], "host": "localhost", "passed": true, "policy": "Docker policy: test6 v1"}

3
test/docker/expected_results/openssh_8.0p1_policy_test6.txt Normal file
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@ -0,0 +1,3 @@
Host: localhost
Policy: Docker policy: test6 v1
Result: ✔ Passed

10
test/docker/policies/policy_test1.txt Normal file
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@ -0,0 +1,10 @@
#
# Docker policy: test1
#
name = "Docker policy: test1"
version = 1
host keys = ssh-rsa, ssh-dss
key exchanges = diffie-hellman-group-exchange-sha256, diffie-hellman-group-exchange-sha1, diffie-hellman-group14-sha1, diffie-hellman-group1-sha1
ciphers = aes128-ctr, aes192-ctr, aes256-ctr, arcfour256, arcfour128, aes128-cbc, 3des-cbc, blowfish-cbc, cast128-cbc, aes192-cbc, aes256-cbc, arcfour, rijndael-cbc@lysator.liu.se
macs = hmac-md5, hmac-sha1, umac-64@openssh.com, hmac-ripemd160, hmac-ripemd160@openssh.com, hmac-sha1-96, hmac-md5-96

39
test/docker/policies/policy_test10.txt Normal file
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@ -0,0 +1,39 @@
#
# Docker policy: test10
#
# The name of this policy (displayed in the output during scans). Must be in quotes.
name = "Docker poliicy: test10"
# The version of this policy (displayed in the output during scans). Not parsed, and may be any value, including strings.
version = 1
# The banner that must match exactly. Commented out to ignore banners, since minor variability in the banner is sometimes normal.
# banner = "SSH-2.0-OpenSSH_5.6"
# The header that must match exactly. Commented out to ignore headers, since variability in the header is sometimes normal.
# header = "[]"
# The compression options that must match exactly (order matters). Commented out to ignore by default.
# compressions = none, zlib@openssh.com
# RSA host key sizes.
hostkey_size_rsa-sha2-256 = 3072
hostkey_size_rsa-sha2-512 = 3072
hostkey_size_ssh-rsa = 3072
hostkey_size_ssh-rsa-cert-v01@openssh.com = 4096
# RSA CA key sizes.
cakey_size_ssh-rsa-cert-v01@openssh.com = 4096
# The host key types that must match exactly (order matters).
host keys = ssh-rsa, ssh-rsa-cert-v01@openssh.com
# The key exchange algorithms that must match exactly (order matters).
key exchanges = diffie-hellman-group-exchange-sha256, diffie-hellman-group-exchange-sha1, diffie-hellman-group14-sha1, diffie-hellman-group1-sha1
# The ciphers that must match exactly (order matters).
ciphers = aes128-ctr, aes192-ctr, aes256-ctr, arcfour256, arcfour128, aes128-cbc, 3des-cbc, blowfish-cbc, cast128-cbc, aes192-cbc, aes256-cbc, arcfour, rijndael-cbc@lysator.liu.se
# The MACs that must match exactly (order matters).
macs = hmac-md5, hmac-sha1, umac-64@openssh.com, hmac-ripemd160, hmac-ripemd160@openssh.com, hmac-sha1-96, hmac-md5-96

35
test/docker/policies/policy_test11.txt Normal file
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@ -0,0 +1,35 @@
#
# Docker policy: test11
#
# The name of this policy (displayed in the output during scans). Must be in quotes.
name = "Docker policy: test11"
# The version of this policy (displayed in the output during scans). Not parsed, and may be any value, including strings.
version = 1
# The banner that must match exactly. Commented out to ignore banners, since minor variability in the banner is sometimes normal.
# banner = "SSH-2.0-OpenSSH_8.0"
# The header that must match exactly. Commented out to ignore headers, since variability in the header is sometimes normal.
# header = "[]"
# The compression options that must match exactly (order matters). Commented out to ignore by default.
# compressions = none, zlib@openssh.com
# RSA host key sizes.
hostkey_size_rsa-sha2-256 = 3072
hostkey_size_rsa-sha2-512 = 3072
hostkey_size_ssh-rsa = 3072
# The host key types that must match exactly (order matters).
host keys = rsa-sha2-512, rsa-sha2-256, ssh-rsa, ecdsa-sha2-nistp256, ssh-ed25519
# The key exchange algorithms that must match exactly (order matters).
key exchanges = curve25519-sha256, curve25519-sha256@libssh.org, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group-exchange-sha256, diffie-hellman-group16-sha512, diffie-hellman-group18-sha512, diffie-hellman-group14-sha256, diffie-hellman-group14-sha1
# The ciphers that must match exactly (order matters).
ciphers = chacha20-poly1305@openssh.com, aes128-ctr, aes192-ctr, aes256-ctr, aes128-gcm@openssh.com, aes256-gcm@openssh.com
# The MACs that must match exactly (order matters).
macs = umac-64-etm@openssh.com, umac-128-etm@openssh.com, hmac-sha2-256-etm@openssh.com, hmac-sha2-512-etm@openssh.com, hmac-sha1-etm@openssh.com, umac-64@openssh.com, umac-128@openssh.com, hmac-sha2-256, hmac-sha2-512, hmac-sha1

35
test/docker/policies/policy_test12.txt Normal file
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@ -0,0 +1,35 @@
#
# Docker policy: test12
#
# The name of this policy (displayed in the output during scans). Must be in quotes.
name = "Docker policy: test12"
# The version of this policy (displayed in the output during scans). Not parsed, and may be any value, including strings.
version = 1
# The banner that must match exactly. Commented out to ignore banners, since minor variability in the banner is sometimes normal.
# banner = "SSH-2.0-OpenSSH_8.0"
# The header that must match exactly. Commented out to ignore headers, since variability in the header is sometimes normal.
# header = "[]"
# The compression options that must match exactly (order matters). Commented out to ignore by default.
# compressions = none, zlib@openssh.com
# RSA host key sizes.
hostkey_size_rsa-sha2-256 = 4096
hostkey_size_rsa-sha2-512 = 4096
hostkey_size_ssh-rsa = 4096
# The host key types that must match exactly (order matters).
host keys = rsa-sha2-512, rsa-sha2-256, ssh-rsa, ecdsa-sha2-nistp256, ssh-ed25519
# The key exchange algorithms that must match exactly (order matters).
key exchanges = curve25519-sha256, curve25519-sha256@libssh.org, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group-exchange-sha256, diffie-hellman-group16-sha512, diffie-hellman-group18-sha512, diffie-hellman-group14-sha256, diffie-hellman-group14-sha1
# The ciphers that must match exactly (order matters).
ciphers = chacha20-poly1305@openssh.com, aes128-ctr, aes192-ctr, aes256-ctr, aes128-gcm@openssh.com, aes256-gcm@openssh.com
# The MACs that must match exactly (order matters).
macs = umac-64-etm@openssh.com, umac-128-etm@openssh.com, hmac-sha2-256-etm@openssh.com, hmac-sha2-512-etm@openssh.com, hmac-sha1-etm@openssh.com, umac-64@openssh.com, umac-128@openssh.com, hmac-sha2-256, hmac-sha2-512, hmac-sha1

38
test/docker/policies/policy_test13.txt Normal file
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@ -0,0 +1,38 @@
#
# Docker policy: test13
#
# The name of this policy (displayed in the output during scans). Must be in quotes.
name = "Docker policy: test13"
# The version of this policy (displayed in the output during scans). Not parsed, and may be any value, including strings.
version = 1
# The banner that must match exactly. Commented out to ignore banners, since minor variability in the banner is sometimes normal.
# banner = "SSH-2.0-OpenSSH_8.0"
# The header that must match exactly. Commented out to ignore headers, since variability in the header is sometimes normal.
# header = "[]"
# The compression options that must match exactly (order matters). Commented out to ignore by default.
# compressions = none, zlib@openssh.com
# RSA host key sizes.
hostkey_size_rsa-sha2-256 = 3072
hostkey_size_rsa-sha2-512 = 3072
hostkey_size_ssh-rsa = 3072
# Group exchange DH modulus sizes.
dh_modulus_size_diffie-hellman-group-exchange-sha256 = 2048
# The host key types that must match exactly (order matters).
host keys = rsa-sha2-512, rsa-sha2-256, ssh-rsa, ecdsa-sha2-nistp256, ssh-ed25519
# The key exchange algorithms that must match exactly (order matters).
key exchanges = curve25519-sha256, curve25519-sha256@libssh.org, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group-exchange-sha256, diffie-hellman-group16-sha512, diffie-hellman-group18-sha512, diffie-hellman-group14-sha256, diffie-hellman-group14-sha1
# The ciphers that must match exactly (order matters).
ciphers = chacha20-poly1305@openssh.com, aes128-ctr, aes192-ctr, aes256-ctr, aes128-gcm@openssh.com, aes256-gcm@openssh.com
# The MACs that must match exactly (order matters).
macs = umac-64-etm@openssh.com, umac-128-etm@openssh.com, hmac-sha2-256-etm@openssh.com, hmac-sha2-512-etm@openssh.com, hmac-sha1-etm@openssh.com, umac-64@openssh.com, umac-128@openssh.com, hmac-sha2-256, hmac-sha2-512, hmac-sha1

38
test/docker/policies/policy_test14.txt Normal file
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#
# Docker policy: test14
#
# The name of this policy (displayed in the output during scans). Must be in quotes.
name = "Docker policy: test14"
# The version of this policy (displayed in the output during scans). Not parsed, and may be any value, including strings.
version = 1
# The banner that must match exactly. Commented out to ignore banners, since minor variability in the banner is sometimes normal.
# banner = "SSH-2.0-OpenSSH_8.0"
# The header that must match exactly. Commented out to ignore headers, since variability in the header is sometimes normal.
# header = "[]"
# The compression options that must match exactly (order matters). Commented out to ignore by default.
# compressions = none, zlib@openssh.com
# RSA host key sizes.
hostkey_size_rsa-sha2-256 = 3072
hostkey_size_rsa-sha2-512 = 3072
hostkey_size_ssh-rsa = 3072
# Group exchange DH modulus sizes.
dh_modulus_size_diffie-hellman-group-exchange-sha256 = 4096
# The host key types that must match exactly (order matters).
host keys = rsa-sha2-512, rsa-sha2-256, ssh-rsa, ecdsa-sha2-nistp256, ssh-ed25519
# The key exchange algorithms that must match exactly (order matters).
key exchanges = curve25519-sha256, curve25519-sha256@libssh.org, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group-exchange-sha256, diffie-hellman-group16-sha512, diffie-hellman-group18-sha512, diffie-hellman-group14-sha256, diffie-hellman-group14-sha1
# The ciphers that must match exactly (order matters).
ciphers = chacha20-poly1305@openssh.com, aes128-ctr, aes192-ctr, aes256-ctr, aes128-gcm@openssh.com, aes256-gcm@openssh.com
# The MACs that must match exactly (order matters).
macs = umac-64-etm@openssh.com, umac-128-etm@openssh.com, hmac-sha2-256-etm@openssh.com, hmac-sha2-512-etm@openssh.com, hmac-sha1-etm@openssh.com, umac-64@openssh.com, umac-128@openssh.com, hmac-sha2-256, hmac-sha2-512, hmac-sha1

10
test/docker/policies/policy_test2.txt Normal file
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#
# Docker policy: test2
#
name = "Docker policy: test2"
version = 1
host keys = ssh-rsa, ssh-dss
key exchanges = kex_alg1, kex_alg2
ciphers = aes128-ctr, aes192-ctr, aes256-ctr, arcfour256, arcfour128, aes128-cbc, 3des-cbc, blowfish-cbc, cast128-cbc, aes192-cbc, aes256-cbc, arcfour, rijndael-cbc@lysator.liu.se
macs = hmac-md5, hmac-sha1, umac-64@openssh.com, hmac-ripemd160, hmac-ripemd160@openssh.com, hmac-sha1-96, hmac-md5-96

10
test/docker/policies/policy_test3.txt Normal file
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@ -0,0 +1,10 @@
#
# Docker policy: test3
#
name = "Docker policy: test3"
version = 1
host keys = ssh-rsa, ssh-dss, key_alg1
key exchanges = diffie-hellman-group-exchange-sha256, diffie-hellman-group-exchange-sha1, diffie-hellman-group14-sha1, diffie-hellman-group1-sha1
ciphers = aes128-ctr, aes192-ctr, aes256-ctr, arcfour256, arcfour128, aes128-cbc, 3des-cbc, blowfish-cbc, cast128-cbc, aes192-cbc, aes256-cbc, arcfour, rijndael-cbc@lysator.liu.se
macs = hmac-md5, hmac-sha1, umac-64@openssh.com, hmac-ripemd160, hmac-ripemd160@openssh.com, hmac-sha1-96, hmac-md5-96

10
test/docker/policies/policy_test4.txt Normal file
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@ -0,0 +1,10 @@
#
# Docker policy: test4
#
name = "Docker policy: test4"
version = 1
host keys = ssh-rsa, ssh-dss
key exchanges = diffie-hellman-group-exchange-sha256, diffie-hellman-group-exchange-sha1, diffie-hellman-group14-sha1, diffie-hellman-group1-sha1
ciphers = cipher_alg1, cipher_alg2
macs = hmac-md5, hmac-sha1, umac-64@openssh.com, hmac-ripemd160, hmac-ripemd160@openssh.com, hmac-sha1-96, hmac-md5-96

10
test/docker/policies/policy_test5.txt Normal file
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@ -0,0 +1,10 @@
#
# Docker policy: test5
#
name = "Docker policy: test5"
version = 1
host keys = ssh-rsa, ssh-dss
key exchanges = diffie-hellman-group-exchange-sha256, diffie-hellman-group-exchange-sha1, diffie-hellman-group14-sha1, diffie-hellman-group1-sha1
ciphers = aes128-ctr, aes192-ctr, aes256-ctr, arcfour256, arcfour128, aes128-cbc, 3des-cbc, blowfish-cbc, cast128-cbc, aes192-cbc, aes256-cbc, arcfour, rijndael-cbc@lysator.liu.se
macs = hmac-md5, hmac-sha1, umac-64@openssh.com, hmac-ripemd160, hmac-ripemd160@openssh.com, hmac_alg1, hmac-md5-96

12
test/docker/policies/policy_test6.txt Normal file
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@ -0,0 +1,12 @@
#
# Docker policy: test6
#
name = "Docker policy: test6"
version = 1
banner = "SSH-2.0-OpenSSH_8.0"
compressions = none, zlib@openssh.com
host keys = rsa-sha2-512, rsa-sha2-256, ssh-rsa, ecdsa-sha2-nistp256, ssh-ed25519
key exchanges = curve25519-sha256, curve25519-sha256@libssh.org, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group-exchange-sha256, diffie-hellman-group16-sha512, diffie-hellman-group18-sha512, diffie-hellman-group14-sha256, diffie-hellman-group14-sha1
ciphers = chacha20-poly1305@openssh.com, aes128-ctr, aes192-ctr, aes256-ctr, aes128-gcm@openssh.com, aes256-gcm@openssh.com
macs = umac-64-etm@openssh.com, umac-128-etm@openssh.com, hmac-sha2-256-etm@openssh.com, hmac-sha2-512-etm@openssh.com, hmac-sha1-etm@openssh.com, umac-64@openssh.com, umac-128@openssh.com, hmac-sha2-256, hmac-sha2-512, hmac-sha1

39
test/docker/policies/policy_test7.txt Normal file
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@ -0,0 +1,39 @@
#
# Docker policy: test7
#
# The name of this policy (displayed in the output during scans). Must be in quotes.
name = "Docker poliicy: test7"
# The version of this policy (displayed in the output during scans). Not parsed, and may be any value, including strings.
version = 1
# The banner that must match exactly. Commented out to ignore banners, since minor variability in the banner is sometimes normal.
# banner = "SSH-2.0-OpenSSH_5.6"
# The header that must match exactly. Commented out to ignore headers, since variability in the header is sometimes normal.
# header = "[]"
# The compression options that must match exactly (order matters). Commented out to ignore by default.
# compressions = none, zlib@openssh.com
# RSA host key sizes.
hostkey_size_rsa-sha2-256 = 3072
hostkey_size_rsa-sha2-512 = 3072
hostkey_size_ssh-rsa = 3072
hostkey_size_ssh-rsa-cert-v01@openssh.com = 3072
# RSA CA key sizes.
cakey_size_ssh-rsa-cert-v01@openssh.com = 1024
# The host key types that must match exactly (order matters).
host keys = ssh-rsa, ssh-rsa-cert-v01@openssh.com
# The key exchange algorithms that must match exactly (order matters).
key exchanges = diffie-hellman-group-exchange-sha256, diffie-hellman-group-exchange-sha1, diffie-hellman-group14-sha1, diffie-hellman-group1-sha1
# The ciphers that must match exactly (order matters).
ciphers = aes128-ctr, aes192-ctr, aes256-ctr, arcfour256, arcfour128, aes128-cbc, 3des-cbc, blowfish-cbc, cast128-cbc, aes192-cbc, aes256-cbc, arcfour, rijndael-cbc@lysator.liu.se
# The MACs that must match exactly (order matters).
macs = hmac-md5, hmac-sha1, umac-64@openssh.com, hmac-ripemd160, hmac-ripemd160@openssh.com, hmac-sha1-96, hmac-md5-96

39
test/docker/policies/policy_test8.txt Normal file
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@ -0,0 +1,39 @@
#
# Docker policy: test8
#
# The name of this policy (displayed in the output during scans). Must be in quotes.
name = "Docker poliicy: test8"
# The version of this policy (displayed in the output during scans). Not parsed, and may be any value, including strings.
version = 1
# The banner that must match exactly. Commented out to ignore banners, since minor variability in the banner is sometimes normal.
# banner = "SSH-2.0-OpenSSH_5.6"
# The header that must match exactly. Commented out to ignore headers, since variability in the header is sometimes normal.
# header = "[]"
# The compression options that must match exactly (order matters). Commented out to ignore by default.
# compressions = none, zlib@openssh.com
# RSA host key sizes.
hostkey_size_rsa-sha2-256 = 3072
hostkey_size_rsa-sha2-512 = 3072
hostkey_size_ssh-rsa = 3072
hostkey_size_ssh-rsa-cert-v01@openssh.com = 3072
# RSA CA key sizes.
cakey_size_ssh-rsa-cert-v01@openssh.com = 2048
# The host key types that must match exactly (order matters).
host keys = ssh-rsa, ssh-rsa-cert-v01@openssh.com
# The key exchange algorithms that must match exactly (order matters).
key exchanges = diffie-hellman-group-exchange-sha256, diffie-hellman-group-exchange-sha1, diffie-hellman-group14-sha1, diffie-hellman-group1-sha1
# The ciphers that must match exactly (order matters).
ciphers = aes128-ctr, aes192-ctr, aes256-ctr, arcfour256, arcfour128, aes128-cbc, 3des-cbc, blowfish-cbc, cast128-cbc, aes192-cbc, aes256-cbc, arcfour, rijndael-cbc@lysator.liu.se
# The MACs that must match exactly (order matters).
macs = hmac-md5, hmac-sha1, umac-64@openssh.com, hmac-ripemd160, hmac-ripemd160@openssh.com, hmac-sha1-96, hmac-md5-96

39
test/docker/policies/policy_test9.txt Normal file
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#
# Docker policy: test9
#
# The name of this policy (displayed in the output during scans). Must be in quotes.
name = "Docker poliicy: test9"
# The version of this policy (displayed in the output during scans). Not parsed, and may be any value, including strings.
version = 1
# The banner that must match exactly. Commented out to ignore banners, since minor variability in the banner is sometimes normal.
# banner = "SSH-2.0-OpenSSH_5.6"
# The header that must match exactly. Commented out to ignore headers, since variability in the header is sometimes normal.
# header = "[]"
# The compression options that must match exactly (order matters). Commented out to ignore by default.
# compressions = none, zlib@openssh.com
# RSA host key sizes.
hostkey_size_rsa-sha2-256 = 3072
hostkey_size_rsa-sha2-512 = 3072
hostkey_size_ssh-rsa = 3072
hostkey_size_ssh-rsa-cert-v01@openssh.com = 4096
# RSA CA key sizes.
cakey_size_ssh-rsa-cert-v01@openssh.com = 1024
# The host key types that must match exactly (order matters).
host keys = ssh-rsa, ssh-rsa-cert-v01@openssh.com
# The key exchange algorithms that must match exactly (order matters).
key exchanges = diffie-hellman-group-exchange-sha256, diffie-hellman-group-exchange-sha1, diffie-hellman-group14-sha1, diffie-hellman-group1-sha1
# The ciphers that must match exactly (order matters).
ciphers = aes128-ctr, aes192-ctr, aes256-ctr, arcfour256, arcfour128, aes128-cbc, 3des-cbc, blowfish-cbc, cast128-cbc, aes192-cbc, aes256-cbc, arcfour, rijndael-cbc@lysator.liu.se
# The MACs that must match exactly (order matters).
macs = hmac-md5, hmac-sha1, umac-64@openssh.com, hmac-ripemd160, hmac-ripemd160@openssh.com, hmac-sha1-96, hmac-md5-96

2
test/test_auditconf.py
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@ -11,7 +11,7 @@ class TestAuditConf:
@staticmethod
def _test_conf(conf, **kwargs):
options = {
'host': None,
'host': '',
'port': 22,
'ssh1': True,
'ssh2': True,

15
test/test_errors.py
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@ -16,36 +16,39 @@ class TestErrors:
conf.batch = True
return conf
def _audit(self, spy, conf=None, sysexit=True):
def _audit(self, spy, conf=None, exit_expected=False):
if conf is None:
conf = self._conf()
spy.begin()
if sysexit:
if exit_expected:
with pytest.raises(SystemExit):
self.audit(conf)
else:
self.audit(conf)
ret = self.audit(conf)
assert ret != 0
lines = spy.flush()
return lines
def test_connection_unresolved(self, output_spy, virtual_socket):
vsocket = virtual_socket
vsocket.gsock.addrinfodata['localhost#22'] = []
lines = self._audit(output_spy)
lines = self._audit(output_spy, exit_expected=True)
assert len(lines) == 1
assert 'has no DNS records' in lines[-1]
def test_connection_refused(self, output_spy, virtual_socket):
vsocket = virtual_socket
vsocket.errors['connect'] = socket.error(errno.ECONNREFUSED, 'Connection refused')
lines = self._audit(output_spy)
lines = self._audit(output_spy, exit_expected=True)
assert len(lines) == 1
assert 'Connection refused' in lines[-1]
def test_connection_timeout(self, output_spy, virtual_socket):
vsocket = virtual_socket
vsocket.errors['connect'] = socket.timeout('timed out')
lines = self._audit(output_spy)
lines = self._audit(output_spy, exit_expected=True)
assert len(lines) == 1
assert 'timed out' in lines[-1]

337
test/test_policy.py Normal file
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import hashlib
import pytest
from datetime import date
class TestPolicy:
@pytest.fixture(autouse=True)
def init(self, ssh_audit):
self.Policy = ssh_audit.Policy
self.wbuf = ssh_audit.WriteBuf
self.ssh2 = ssh_audit.SSH2
def _get_kex(self):
'''Returns an SSH2.Kex object to simulate a server connection.'''
w = self.wbuf()
w.write(b'\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff')
w.write_list(['kex_alg1', 'kex_alg2'])
w.write_list(['key_alg1', 'key_alg2'])
w.write_list(['cipher_alg1', 'cipher_alg2', 'cipher_alg3'])
w.write_list(['cipher_alg1', 'cipher_alg2', 'cipher_alg3'])
w.write_list(['mac_alg1', 'mac_alg2', 'mac_alg3'])
w.write_list(['mac_alg1', 'mac_alg2', 'mac_alg3'])
w.write_list(['comp_alg1', 'comp_alg2'])
w.write_list(['comp_alg1', 'comp_alg2'])
w.write_list([''])
w.write_list([''])
w.write_byte(False)
w.write_int(0)
return self.ssh2.Kex.parse(w.write_flush())
def test_policy_basic(self):
'''Ensure that a basic policy can be parsed correctly.'''
policy_data = '''# This is a comment
name = "Test Policy"
version = 1
compressions = comp_alg1
host keys = key_alg1
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
policy = self.Policy(policy_data=policy_data)
assert str(policy) == "Name: [Test Policy]\nVersion: [1]\nBanner: {undefined}\nHeader: {undefined}\nCompressions: comp_alg1\nHost Keys: key_alg1\nKey Exchanges: kex_alg1, kex_alg2\nCiphers: cipher_alg1, cipher_alg2, cipher_alg3\nMACs: mac_alg1, mac_alg2, mac_alg3"
def test_policy_invalid_1(self):
'''Basic policy, but with 'ciphersx' instead of 'ciphers'.'''
policy_data = '''# This is a comment
name = "Test Policy"
version = 1
compressions = comp_alg1
host keys = key_alg1
key exchanges = kex_alg1, kex_alg2
ciphersx = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
failed = False
try:
self.Policy(policy_data=policy_data)
except ValueError:
failed = True
assert failed, "Invalid policy did not cause Policy object to throw exception"
def test_policy_invalid_2(self):
'''Basic policy, but is missing the required name field.'''
policy_data = '''# This is a comment
#name = "Test Policy"
version = 1
compressions = comp_alg1
host keys = key_alg1
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
failed = False
try:
self.Policy(policy_data=policy_data)
except ValueError:
failed = True
assert failed, "Invalid policy did not cause Policy object to throw exception"
def test_policy_invalid_3(self):
'''Basic policy, but is missing the required version field.'''
policy_data = '''# This is a comment
name = "Test Policy"
#version = 1
compressions = comp_alg1
host keys = key_alg1
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
failed = False
try:
self.Policy(policy_data=policy_data)
except ValueError:
failed = True
assert failed, "Invalid policy did not cause Policy object to throw exception"
def test_policy_invalid_4(self):
'''Basic policy, but is missing quotes in the name field.'''
policy_data = '''# This is a comment
name = Test Policy
version = 1
compressions = comp_alg1
host keys = key_alg1
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
failed = False
try:
self.Policy(policy_data=policy_data)
except ValueError:
failed = True
assert failed, "Invalid policy did not cause Policy object to throw exception"
def test_policy_invalid_5(self):
'''Basic policy, but is missing quotes in the banner field.'''
policy_data = '''# This is a comment
name = "Test Policy"
version = 1
banner = 0mg
compressions = comp_alg1
host keys = key_alg1
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
failed = False
try:
self.Policy(policy_data=policy_data)
except ValueError:
failed = True
assert failed, "Invalid policy did not cause Policy object to throw exception"
def test_policy_invalid_6(self):
'''Basic policy, but is missing quotes in the header field.'''
policy_data = '''# This is a comment
name = "Test Policy"
version = 1
header = 0mg
compressions = comp_alg1
host keys = key_alg1
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
failed = False
try:
self.Policy(policy_data=policy_data)
except ValueError:
failed = True
assert failed, "Invalid policy did not cause Policy object to throw exception"
def test_policy_create_1(self):
'''Creates a policy from a kex and ensures it is generated exactly as expected.'''
kex = self._get_kex()
pol_data = self.Policy.create('www.l0l.com', 'bannerX', 'headerX', kex)
# Today's date is embedded in the policy, so filter it out to get repeatable results.
pol_data = pol_data.replace(date.today().strftime('%Y/%m/%d'), '[todays date]')
# Instead of writing out the entire expected policy--line by line--just check that it has the expected hash.
assert hashlib.sha256(pol_data.encode('ascii')).hexdigest() == 'e830fb9e5731995e5e4858b2b6d16704d7e5c2769d3a8d9acdd023a83ab337c5'
def test_policy_evaluate_passing_1(self):
'''Creates a policy and evaluates it against the same server'''
kex = self._get_kex()
policy_data = self.Policy.create('www.l0l.com', None, None, kex)
policy = self.Policy(policy_data=policy_data)
ret, errors = policy.evaluate('SSH Server 1.0', None, kex)
assert ret is True
assert len(errors) == 0
def test_policy_evaluate_failing_1(self):
'''Ensure that a policy with a specified banner fails against a server with a different banner'''
policy_data = '''name = "Test Policy"
version = 1
banner = "XXX mismatched banner XXX"
compressions = comp_alg1, comp_alg2
host keys = key_alg1, key_alg2
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
policy = self.Policy(policy_data=policy_data)
ret, errors = policy.evaluate('SSH Server 1.0', None, self._get_kex())
assert ret is False
assert len(errors) == 1
assert errors[0].find('Banner did not match.') != -1
def test_policy_evaluate_failing_2(self):
'''Ensure that a mismatched compressions list results in a failure'''
policy_data = '''name = "Test Policy"
version = 1
compressions = XXXmismatchedXXX, comp_alg1, comp_alg2
host keys = key_alg1, key_alg2
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
policy = self.Policy(policy_data=policy_data)
ret, errors = policy.evaluate('SSH Server 1.0', None, self._get_kex())
assert ret is False
assert len(errors) == 1
assert errors[0].find('Compression types did not match.') != -1
def test_policy_evaluate_failing_3(self):
'''Ensure that a mismatched host keys results in a failure'''
policy_data = '''name = "Test Policy"
version = 1
compressions = comp_alg1, comp_alg2
host keys = XXXmismatchedXXX, key_alg1, key_alg2
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
policy = self.Policy(policy_data=policy_data)
ret, errors = policy.evaluate('SSH Server 1.0', None, self._get_kex())
assert ret is False
assert len(errors) == 1
assert errors[0].find('Host key types did not match.') != -1
def test_policy_evaluate_failing_4(self):
'''Ensure that a mismatched key exchange list results in a failure'''
policy_data = '''name = "Test Policy"
version = 1
compressions = comp_alg1, comp_alg2
host keys = key_alg1, key_alg2
key exchanges = XXXmismatchedXXX, kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
policy = self.Policy(policy_data=policy_data)
ret, errors = policy.evaluate('SSH Server 1.0', None, self._get_kex())
assert ret is False
assert len(errors) == 1
assert errors[0].find('Key exchanges did not match.') != -1
def test_policy_evaluate_failing_5(self):
'''Ensure that a mismatched cipher list results in a failure'''
policy_data = '''name = "Test Policy"
version = 1
compressions = comp_alg1, comp_alg2
host keys = key_alg1, key_alg2
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, XXXmismatched, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, mac_alg3'''
policy = self.Policy(policy_data=policy_data)
ret, errors = policy.evaluate('SSH Server 1.0', None, self._get_kex())
assert ret is False
assert len(errors) == 1
assert errors[0].find('Ciphers did not match.') != -1
def test_policy_evaluate_failing_6(self):
'''Ensure that a mismatched MAC list results in a failure'''
policy_data = '''name = "Test Policy"
version = 1
compressions = comp_alg1, comp_alg2
host keys = key_alg1, key_alg2
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, XXXmismatched, mac_alg3'''
policy = self.Policy(policy_data=policy_data)
ret, errors = policy.evaluate('SSH Server 1.0', None, self._get_kex())
assert ret is False
assert len(errors) == 1
assert errors[0].find('MACs did not match.') != -1
def test_policy_evaluate_failing_7(self):
'''Ensure that a mismatched host keys and MACs results in a failure'''
policy_data = '''name = "Test Policy"
version = 1
compressions = comp_alg1, comp_alg2
host keys = key_alg1, key_alg2, XXXmismatchedXXX
key exchanges = kex_alg1, kex_alg2
ciphers = cipher_alg1, cipher_alg2, cipher_alg3
macs = mac_alg1, mac_alg2, XXXmismatchedXXX, mac_alg3'''
policy = self.Policy(policy_data=policy_data)
ret, errors = policy.evaluate('SSH Server 1.0', None, self._get_kex())
assert ret is False
assert len(errors) == 2
errors_str = ', '.join(errors)
assert errors_str.find('Host key types did not match.') != -1
assert errors_str.find('MACs did not match.') != -1

4
test/test_ssh1.py
View File

@ -133,8 +133,8 @@ class TestSSH1:
vsocket.rdata.append(b'SSH-1.5-OpenSSH_7.2 ssh-audit-test\r\n')
vsocket.rdata.append(self._create_ssh1_packet(w.write_flush()))
output_spy.begin()
with pytest.raises(SystemExit):
self.audit(self._conf())
ret = self.audit(self._conf())
assert ret != 0
lines = output_spy.flush()
assert len(lines) == 7
assert 'unknown message' in lines[-1]

4
test/test_ssh2.py
View File

@ -143,8 +143,8 @@ class TestSSH2:
vsocket.rdata.append(b'SSH-2.0-OpenSSH_7.3 ssh-audit-test\r\n')
vsocket.rdata.append(self._create_ssh2_packet(w.write_flush()))
output_spy.begin()
with pytest.raises(SystemExit):
self.audit(self._conf())
ret = self.audit(self._conf())
assert ret != 0
lines = output_spy.flush()
assert len(lines) == 3
assert 'unknown message' in lines[-1]

8
tox.ini
View File

@ -111,13 +111,15 @@ disable =
line-too-long,
missing-docstring,
mixed-indentation,
no-else-raise,
no-else-return,
too-complex,
too-many-boolean-expressions,
too-many-branches,
too-many-instance-attributes,
too-many-lines,
too-many-locals,
too-many-boolean-expressions
too-many-statements
max-complexity = 15
max-args = 8
max-locals = 20
@ -137,4 +139,8 @@ max-module-lines = 2500
[flake8]
ignore =
E241, # multiple spaces after operator; should be kept for tabular data
E303, # too many blank lines
E501, # line too long
[pytest]
junit_family = xunit1