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show_system_integrity.py
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show_system_integrity.py
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#!/usr/bin/env python3
#
# Copyright (C) 2020 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#
import sys
import os
import re
import json
from datetime import datetime, timedelta
version_file = r'/usr/share/vyos/version.json'
def _get_sys_build_version():
if not os.path.exists(version_file):
return None
buf = open(version_file, 'r').read()
j = json.loads(buf)
if not 'built_on' in j:
return None
return datetime.strptime(j['built_on'], '%a %d %b %Y %H:%M %Z')
def _check_pkgs(build_stamp):
pkg_diffs = {
'buildtime': str(build_stamp),
'pkg': {}
}
pkg_info = os.listdir('/var/lib/dpkg/info/')
for file in pkg_info:
if re.search('\.list$', file):
fts = os.stat('/var/lib/dpkg/info/' + file).st_mtime
dt_str = (datetime.utcfromtimestamp(
fts).strftime('%Y-%m-%d %H:%M:%S'))
fdt = datetime.strptime(dt_str, '%Y-%m-%d %H:%M:%S')
if fdt > build_stamp:
pkg_diffs['pkg'].update(
{str(re.sub('\.list', '', file)): str(fdt)})
if len(pkg_diffs['pkg']) != 0:
return pkg_diffs
else:
return None
if __name__ == '__main__':
built_date = _get_sys_build_version()
if not built_date:
sys.exit(1)
pkgs = _check_pkgs(built_date)
if pkgs:
print (
"The following packages don\'t fit the image creation time\nbuild time:\t" + pkgs['buildtime'])
for k, v in pkgs['pkg'].items():
print ("installed: " + v + '\t' + k)

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