#!/usr/bin/env python3 # # Copyright (C) 2018 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 itertools from datetime import datetime, timedelta from vyos.util import cmd verf = r'/usr/libexec/vyos/op_mode/version.py' def get_sys_build_version(): if not os.path.exists(verf): return None a = cmd('/usr/libexec/vyos/op_mode/version.py') if re.search('^Built on:.+',a, re.M) == None: return None dt = ( re.sub('Built on: +','', re.search('^Built on:.+',a, re.M).group(0)) ) return datetime.strptime(dt,'%a %d %b %Y %H:%M %Z') def check_pkgs(dt): pkg_diffs = { 'buildtime' : str(dt), '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 > dt: pkg_diffs['pkg'].update( { str(re.sub('\.list','',file)) : str(fdt)}) if len(pkg_diffs['pkg']) != 0: return pkg_diffs else: return None def main(): dt = get_sys_build_version() pkgs = check_pkgs(dt) if pkgs != None: 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) if __name__ == '__main__': sys.exit( main() )