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# Copyright 2023 Red Hat, Inc. Jake Hunsaker <jhunsake@redhat.com>
# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.
from sos.cleaner.preppers import SoSPrepper
class UsernamePrepper(SoSPrepper):
"""
This prepper is used to source usernames from various `last` output content
as well as a couple select files. This prepper will also leverage the
--usernames option.
"""
name = 'username'
skip_list = [
'core',
'nobody',
'nfsnobody',
'shutdown',
'stack',
'reboot',
'root',
'ubuntu',
'username',
'wtmp'
]
def _get_items_for_username(self, archive):
items = set()
_files = [
'sos_commands/login/lastlog_-u_1000-60000',
'sos_commands/login/lastlog_-u_60001-65536',
'sos_commands/login/lastlog_-u_65537-4294967295',
# AD users will be reported here, but favor the lastlog files since
# those will include local users who have not logged in
'sos_commands/login/last',
'etc/cron.allow',
'etc/cron.deny'
]
for _file in _files:
content = archive.get_file_content(_file)
if not content:
continue
for line in content.splitlines():
try:
user = line.split()[0].lower()
if user and user not in self.skip_list:
items.add(user)
if '\\' in user:
items.add(user.split('\\')[-1])
except Exception:
# empty line or otherwise unusable for name sourcing
pass
for opt_user in self.opts.usernames:
if opt_user not in self.skip_list:
items.add(opt_user)
return items
# vim: set et ts=4 sw=4 :