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# SPDX-FileCopyrightText: Huawei Inc.
#
# SPDX-License-Identifier: MIT
import os
import oe
import unittest
from oeqa.selftest.case import OESelftestTestCase
from oeqa.utils.commands import bitbake, get_bb_vars
class ShadowUtilsTidyFiles(OESelftestTestCase):
"""
Check if shadow image rootfs files are tidy.
The tests are focused on testing the functionality provided by the
'tidy_shadowutils_files' rootfs postprocess command (via
SORT_PASSWD_POSTPROCESS_COMMAND).
"""
def sysconf_build(self):
"""
Verify if shadow tidy files tests are to be run and if yes, build a
test image and return its sysconf rootfs path.
"""
test_image = "core-image-minimal"
config = 'IMAGE_CLASSES += "extrausers"\n'
config += 'EXTRA_USERS_PARAMS = "groupadd -g 1000 oeqatester; "\n'
config += 'EXTRA_USERS_PARAMS += "useradd -p \'\' -u 1000 -N -g 1000 oeqatester; "\n'
self.write_config(config)
vars = get_bb_vars(("IMAGE_ROOTFS", "SORT_PASSWD_POSTPROCESS_COMMAND", "sysconfdir"),
test_image)
passwd_postprocess_cmd = vars["SORT_PASSWD_POSTPROCESS_COMMAND"]
self.assertIsNotNone(passwd_postprocess_cmd)
if (passwd_postprocess_cmd.strip() != 'tidy_shadowutils_files;'):
raise unittest.SkipTest("Testcase skipped as 'tidy_shadowutils_files' "
"rootfs post process command is not the set SORT_PASSWD_POSTPROCESS_COMMAND.")
rootfs = vars["IMAGE_ROOTFS"]
self.assertIsNotNone(rootfs)
sysconfdir = vars["sysconfdir"]
bitbake(test_image)
self.assertIsNotNone(sysconfdir)
return oe.path.join(rootfs, sysconfdir)
def test_shadowutils_backup_files(self):
"""
Test that the rootfs doesn't include any known shadow backup files.
"""
backup_files = (
'group-',
'gshadow-',
'passwd-',
'shadow-',
'subgid-',
'subuid-',
)
rootfs_sysconfdir = self.sysconf_build()
found = []
for backup_file in backup_files:
backup_filepath = oe.path.join(rootfs_sysconfdir, backup_file)
if os.path.exists(backup_filepath):
found.append(backup_file)
if (found):
raise Exception('The following shadow backup files were found in '
'the rootfs: %s' % found)
def test_shadowutils_sorted_files(self):
"""
Test that the 'passwd' and the 'group' shadow utils files are ordered
by ID.
"""
files = (
'passwd',
'group',
)
rootfs_sysconfdir = self.sysconf_build()
unsorted = []
for file in files:
filepath = oe.path.join(rootfs_sysconfdir, file)
with open(filepath, 'rb') as f:
ids = []
lines = f.readlines()
for line in lines:
entries = line.split(b':')
ids.append(int(entries[2]))
if (ids != sorted(ids)):
unsorted.append(file)
if (unsorted):
raise Exception("The following files were not sorted by ID as expected: %s" % unsorted)
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