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Issue a warning if an out-dated policy is used.

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This commit is contained in:
Joe Testa 2024-10-10 15:57:29 -04:00
parent d0628f6eb4
commit 720150b471
21 changed files with 62 additions and 20 deletions
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14
src/ssh_audit/policy.py
View File

@ -57,6 +57,7 @@ class Policy:
self._allow_algorithm_subset_and_reordering = False
self._allow_larger_keys = False
self._errors: List[Any] = []
self._updated_builtin_policy_available = False # If True, an outdated built-in policy was loaded.
self._name_and_version: str = ''
@ -496,6 +497,11 @@ macs = %s
return self._name_and_version
def is_outdated_builtin_policy(self) -> bool:
'''Returns True if this is a built-in policy that has a more recent version available than currently selected.'''
return self._updated_builtin_policy_available
def is_server_policy(self) -> bool:
'''Returns True if this is a server policy, or False if this is a client policy.'''
return self._server_policy
@ -549,6 +555,14 @@ macs = %s
# Ensure this struct has all the necessary fields.
p._normalize_hostkey_sizes() # pylint: disable=protected-access
# Now check if an updated version of the requested policy exists. If so, set a warning for the user.
if p is not None and p._version is not None: # pylint: disable=protected-access
next_version = str(int(p._version) + 1) # pylint: disable=protected-access
name_version_pos = policy_name.find("(version ")
next_version_name = policy_name[0:name_version_pos] + "(version %s)" % next_version
if next_version_name in BUILTIN_POLICIES:
p._updated_builtin_policy_available = True # pylint: disable=protected-access
return p

11
src/ssh_audit/ssh_audit.py
View File

@ -670,7 +670,12 @@ def evaluate_policy(out: OutputBuffer, aconf: AuditConf, banner: Optional['Banne
passed, error_struct, error_str = aconf.policy.evaluate(banner, kex)
if aconf.json:
json_struct = {'host': aconf.host, 'port': aconf.port, 'policy': aconf.policy.get_name_and_version(), 'passed': passed, 'errors': error_struct}
warnings: List[str] = []
if aconf.policy.is_outdated_builtin_policy():
warnings.append("A newer version of this built-in policy is available.")
json_struct = {'host': aconf.host, 'port': aconf.port, 'policy': aconf.policy.get_name_and_version(), 'passed': passed, 'errors': error_struct, 'warnings': warnings}
out.info(json.dumps(json_struct, indent=4 if aconf.json_print_indent else None, sort_keys=True))
else:
spacing = ''
@ -703,6 +708,10 @@ def evaluate_policy(out: OutputBuffer, aconf: AuditConf, banner: Optional['Banne
out.fail("%sFailed!" % icon_fail)
out.warn("\nErrors:\n%s" % error_str)
# If the user selected an out-dated built-in policy then issue a warning.
if aconf.policy.is_outdated_builtin_policy():
out.warn("Note: A newer version of this built-in policy is available. Use the -L option to view all available versions.")
return passed

3
test/docker/expected_results/openssh_5.6p1_custom_policy_test1.json
View File

@ -3,5 +3,6 @@
"host": "localhost",
"passed": true,
"policy": "Docker policy: test1 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_5.6p1_custom_policy_test10.json
View File

@ -28,5 +28,6 @@
"host": "localhost",
"passed": false,
"policy": "Docker poliicy: test10 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_5.6p1_custom_policy_test2.json
View File

@ -20,5 +20,6 @@
"host": "localhost",
"passed": false,
"policy": "Docker policy: test2 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_5.6p1_custom_policy_test3.json
View File

@ -19,5 +19,6 @@
"host": "localhost",
"passed": false,
"policy": "Docker policy: test3 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_5.6p1_custom_policy_test4.json
View File

@ -29,5 +29,6 @@
"host": "localhost",
"passed": false,
"policy": "Docker policy: test4 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_5.6p1_custom_policy_test5.json
View File

@ -28,5 +28,6 @@
"host": "localhost",
"passed": false,
"policy": "Docker policy: test5 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_5.6p1_custom_policy_test7.json
View File

@ -3,5 +3,6 @@
"host": "localhost",
"passed": true,
"policy": "Docker poliicy: test7 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_5.6p1_custom_policy_test8.json
View File

@ -16,5 +16,6 @@
"host": "localhost",
"passed": false,
"policy": "Docker poliicy: test8 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_5.6p1_custom_policy_test9.json
View File

@ -16,5 +16,6 @@
"host": "localhost",
"passed": false,
"policy": "Docker poliicy: test9 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_8.0p1_builtin_policy_test1.json
View File

@ -40,5 +40,6 @@
"host": "localhost",
"passed": false,
"policy": "Hardened OpenSSH Server v8.0 (version 4)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_8.0p1_builtin_policy_test2.json
View File

@ -63,5 +63,6 @@
"host": "localhost",
"passed": false,
"policy": "Hardened OpenSSH Server v8.0 (version 4)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_8.0p1_custom_policy_test11.json
View File

@ -3,5 +3,6 @@
"host": "localhost",
"passed": true,
"policy": "Docker policy: test11 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_8.0p1_custom_policy_test12.json
View File

@ -40,5 +40,6 @@
"host": "localhost",
"passed": false,
"policy": "Docker policy: test12 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_8.0p1_custom_policy_test13.json
View File

@ -3,5 +3,6 @@
"host": "localhost",
"passed": true,
"policy": "Docker policy: test13 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_8.0p1_custom_policy_test14.json
View File

@ -16,5 +16,6 @@
"host": "localhost",
"passed": false,
"policy": "Docker policy: test14 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_8.0p1_custom_policy_test15.json
View File

@ -3,5 +3,6 @@
"host": "localhost",
"passed": true,
"policy": "Docker policy: test15 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_8.0p1_custom_policy_test16.json
View File

@ -83,5 +83,6 @@
"host": "localhost",
"passed": false,
"policy": "Docker policy: test16 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_8.0p1_custom_policy_test17.json
View File

@ -3,5 +3,6 @@
"host": "localhost",
"passed": true,
"policy": "Docker policy: test17 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}

3
test/docker/expected_results/openssh_8.0p1_custom_policy_test6.json
View File

@ -3,5 +3,6 @@
"host": "localhost",
"passed": true,
"policy": "Docker policy: test6 (version 1)",
"port": 2222
"port": 2222,
"warnings": []
}