1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
# Copyright (C) 2015 Brent Baude <bbaude@redhat.com>
# Copyright (C) 2019 Dominique Blaze <contact@d0m.tech>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301 USA
import subprocess
import platform
import os
import collections
class OscapError(Exception):
''' oscap Error'''
pass
OscapResult = collections.namedtuple("OscapResult", ("returncode", "stdout", "stderr"))
def oscap_chroot(chroot_path, oscap_binary, oscap_args, target_name, local_env=[]):
'''
Wrapper running oscap_chroot on an OscapDockerScan OscapAtomicScan object
'''
os.environ["OSCAP_PROBE_ROOT"] = os.path.join(chroot_path)
os.environ["OSCAP_EVALUATION_TARGET"] = target_name
os.environ["OSCAP_CONTAINER_VARS"] = '\n'.join(local_env)
cmd = [oscap_binary] + [x for x in oscap_args]
oscap_process = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
oscap_stdout, oscap_stderr = oscap_process.communicate()
return OscapResult(oscap_process.returncode,
oscap_stdout.decode("utf-8"),
oscap_stderr.decode("utf-8"))
# TODO replace by _get_cpe (in order to indentify any containerized system)
def get_dist(mountpoint, oscap_binary, local_env):
CPE_RHEL = 'oval:org.open-scap.cpe.rhel:def:'
DISTS = ["8", "7", "6", "5"]
'''
Test the chroot and determine what RHEL dist it is; returns
an integer representing the dist
'''
cpe_dict = '/usr/share/openscap/cpe/openscap-cpe-oval.xml'
if not os.path.exists(cpe_dict):
# sometime it's installed into /usr/local/share instead of /usr/local
cpe_dict = '/usr/local/share/openscap/cpe/openscap-cpe-oval.xml'
if not os.path.exists(cpe_dict):
raise OscapError()
for dist in DISTS:
result = oscap_chroot(
mountpoint, oscap_binary,
("oval", "eval", "--id", CPE_RHEL + dist, cpe_dict,
mountpoint, "2>&1", ">", "/dev/null"),
'*',
local_env
)
if "{0}{1}: true".format(CPE_RHEL, dist) in result.stdout:
print("This system seems based on RHEL{0}.".format(dist))
return dist
|
