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docker_security_profiles_info.py
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docker_security_profiles_info.py
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"""Docker security profiles scan plugin."""
from DockerENT.utils import utils
import docker
import logging
_log = logging.getLogger(__name__)
_plugin_name_ = 'security-profiles'
def scan(container, output_queue, audit=False, audit_queue=None):
"""Docker security profiles scan plugin.
This plugin inspect the AppArmor and SELinux profile for running
container via low level docker python sdk low level api.
:param container: container instance.
:type container: docker.models.containers.Container
:param output_queue: Output holder for this plugin.
:type output_queue: multiprocessing.managers.AutoProxy[Queue]
:return: This plugin returns the object in this form.
{
_plugin_name_: {
'test_performed': {
'results': []
}
}
}
"""
res = {}
_log.info('Staring {} Plugin ...'.format(_plugin_name_))
api_client = docker.APIClient()
docker_inspect_output = api_client.inspect_container(container.short_id)
security_options = {
"AppArmor_Profile": {
"output_identifier": "AppArmorProfile",
"msg": "AppArmor Profile options.",
"results": []
},
"SELinux": {
"output_identifier": "HostConfig.SecurityOpt",
"msg": "SELinux security options.",
"results": []
},
"CapAdd": {
"output_identifier": "HostConfig.CapAdd",
"msg": "A list of kernel capabilities to added to the container.",
"results": []
},
"CapDrop": {
"output_identifier": "HostConfig.CapDrop",
"msg": "A list of kernel capabilities to drop from the container.",
"results": []
},
"Capabilities": {
"output_identifier": "HostConfig.Capabilities",
"msg": "A list of kernel capabilities present container.",
"results": []
},
"Privileged": {
"output_identifier": "HostConfig.Privileged",
"msg": " Gives the container full access to the host.",
"results": []
},
}
for option in security_options.keys():
option_result = utils.get_value_from_str_dotted_key(
docker_inspect_output,
security_options[option]['output_identifier']
)
if isinstance(option_result, list):
security_options[option]['results'] = option_result
elif option_result is None:
security_options[option]['results'] = [None]
else:
security_options[option]['results'].append(option_result)
del security_options[option]['output_identifier']
res[container.short_id] = {
_plugin_name_: security_options
}
_log.info('Completed execution of {} Plugin.'.format(_plugin_name_))
output_queue.put(res)
if audit:
# Perform Audit for this result
_audit(container, security_options, audit_queue)
def _audit(container, scan_report, audit_queue):
"""Perform Scan audit.
:param scan_report: dict
:param audit_queue: Multiprocessing queue to perform Audit.
"""
container_id = container.short_id
audit_report = {}
audit_report[container_id] = []
columns = [_plugin_name_, 'WARN']
weak_configurations = {
'AppArmor_Profile': {
'weak_conf': ['', None, '<no value>', 'unconfined'],
'warn_msg': 'No AppArmorProfile Found'
},
'SELinux': {
'weak_conf': ['', None, '<no value>', 'unconfined',
'label=disable'],
'warn_msg': 'SELinux disabled'
},
'CapAdd': {
'safe_conf': [],
'warn_msg': 'Capabilities Present: '
},
'Privileged': {
'weak_conf': ['true', 'TRUE', True],
'warn_msg': 'Container is Privileged'
}
}
for security_option in scan_report.keys():
if security_option in weak_configurations.keys():
actual_results = scan_report[security_option]['results']
weak_results = None
safe_results = None
if 'weak_conf' in weak_configurations[security_option].keys():
weak_results = weak_configurations[security_option]['weak_conf']
if 'safe_conf' in weak_configurations[security_option].keys():
safe_results = weak_configurations[security_option]['safe_conf']
warn_message = weak_configurations[security_option]['warn_msg']
# If safe_conf, check on safe_conf else check on weak_conf
if safe_results is not None:
if actual_results != safe_results:
_r = [res for res in actual_results if res]
if _r:
r = columns + [warn_message + ";".join(_r)]
audit_report[container_id].append(", ".join(r))
else:
if utils.list_intersection(actual_results, weak_results) != []:
# Weak configuration detected
r = columns + [warn_message]
audit_report[container_id].append(
", ".join(r)
)
audit_queue.put(audit_report)