CasperSecurity
'''apport package hook for mysql-8.0
(c) 2009 Canonical Ltd.
Author: Mathias Gug <mathias.gug@canonical.com>
'''
from __future__ import print_function, unicode_literals
import os
import os.path
from apport.hookutils import (
attach_conffiles,
attach_file,
attach_mac_events,
path_to_key,
read_file
)
def _add_my_conf_files(report, filename):
key = 'MySQLConf' + path_to_key(filename)
report[key] = ""
for line in read_file(filename).split('\n'):
try:
if 'password' in line.split('=')[0]:
line = "%s = @@APPORTREPLACED@@" % (line.split('=')[0])
report[key] += line + '\n'
except IndexError:
continue
def strip_protected(line):
'''
Mitigation for upstream bug that can lead to statements containing
passwords being written to error log We strip out any lines containing
terms listed on http://dev.mysql.com/doc/refman/8.0/en/password-logging.html
(LP: #1574458)
'''
protected_terms = [
'grant',
'alter user',
'create user',
'set password',
'create server',
'alter server']
for term in protected_terms:
if term in line:
return '--- Line containing protected term %s stripped from log ' \
'by apport hook. Ref. Launchpad bug #1574458' % term
return line
def add_info(report, ui=None):
'''
Collect system information relevant to mysql.
'''
attach_conffiles(report, 'mysql-server-8.0', conffiles=None)
key = 'Logs' + path_to_key('/var/log/daemon.log')
report[key] = ""
for line in read_file('/var/log/daemon.log').split('\n'):
try:
if 'mysqld' in line.split()[4]:
report[key] += line + '\n'
except IndexError:
continue
if os.path.exists('/var/log/mysql/error.log'):
key = 'Logs' + path_to_key('/var/log/mysql/error.log')
report[key] = ""
for line in read_file('/var/log/mysql/error.log').split('\n'):
line = strip_protected(line)
report[key] += line + '\n'
attach_mac_events(report, '/usr/sbin/mysqld')
attach_file(report, '/etc/apparmor.d/usr.sbin.mysqld')
if not os.path.isdir('/etc/mysql'):
report['EtcMysqlDirListing'] = str(False)
response = ui.yesno("The /etc/mysql directory is missing, which "
"suggests a local configuration problem rather "
"than a bug in Ubuntu. Do you still wish to "
"report this bug?")
if not response: # user cancelled or answered No
report['UnreportableReason'] = "Missing /etc/mysql directory"
return False
else:
# By default my.cnf is a symlink, and _add_my_conf_files calls apport.hookutils.read_file()
# doesn't support them, so send the link target separately instead. LP: #1969369
if os.path.islink('/etc/mysql/my.cnf'):
my_cnf_link = os.path.realpath('/etc/mysql/my.cnf')
report['MySQLConf.etc.mysql.my.cnf'] = f'my.cnf links to {my_cnf_link}'
else:
_add_my_conf_files(report, '/etc/mysql/my.cnf')
_add_my_conf_files(report, '/etc/mysql/mysql.cnf')
for d in ['/etc/mysql/conf.d', '/etc/mysql/mysql.conf.d']:
if os.path.isdir(d):
for f in os.listdir(d):
_add_my_conf_files(report, os.path.join(d, f))
try:
report['MySQLVarLibDirListing'] = str(os.listdir('/var/lib/mysql'))
except OSError:
report['MySQLVarLibDirListing'] = str(False)
return True
if __name__ == '__main__':
report = {}
add_info(report)
for key in report:
print('%s: %s' % (key, report[key].split('\n', 1)[0]))