Current File : //usr/share/setroubleshoot/plugins/allow_ftpd_use_cifs.py
#
# Authors: Karl MacMillan <kmacmillan@mentalrootkit.com>
#
# Copyright (C) 2006 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import gettext
translation=gettext.translation('setroubleshoot-plugins', fallback=True)
_=translation.gettext
from setroubleshoot.util import *
from setroubleshoot.Plugin import Plugin
class plugin(Plugin):
summary = _('''
SELinux prevented the ftp daemon from $ACCESS files stored on a CIFS filesystem.
''')
problem_description = _('''
SELinux prevented the ftp daemon from $ACCESS files stored on a CIFS filesystem.
CIFS (Comment Internet File System) is a network filesystem similar to
SMB (<a href="http://www.microsoft.com/mind/1196/cifs.asp">http://www.microsoft.com/mind/1196/cifs.asp</a>)
The ftp daemon attempted to read one or more files or directories from
a mounted filesystem of this type. As CIFS filesystems do not support
fine-grained SELinux labeling, all files and directories in the
filesystem will have the same security context.
If you have not configured the ftp daemon to read files from a CIFS filesystem
this access attempt could signal an intrusion attempt.
''')
fix_description = _('''
Changing the "$BOOLEAN" boolean to true will allow this access:
"setsebool -P $BOOLEAN=1."
''')
fix_cmd = '/usr/sbin/setsebool -P ftpd_use_cifs=1 ftpd_anon_write=1'
rw_fix_description = _(''' Changing the "$BOOLEAN" and
"$WRITE_BOOLEAN" booleans to true will allow this access:
"setsebool -P $BOOLEAN=1 $WRITE_BOOLEAN=1".
warning: setting the "$WRITE_BOOLEAN" boolean to true will
allow the ftp daemon to write to all public content (files and
directories with type public_content_t) in addition to writing to
files and directories on CIFS filesystems. ''')
rw_fix_cmd = '/usr/sbin/setsebool -P ftpd_use_cifs=1 ftpd_anon_write=1'
if_text = _("If you want to allow ftpd to write to cifs file systems")
then_text = _("you must tell SELinux about this")
do_text = '# setsebool -P ftpd_use_cifs=1 ftpd_anon_write=1'
def __init__(self):
Plugin.__init__(self, __name__)
self.fixable = True
self.button_text = _("Enable booleans")
def analyze(self, avc):
if (avc.matches_source_types(['ftpd_t']) and
avc.matches_target_types(['cifs_t']) and
avc.has_tclass_in(['file', 'dir'])):
# If only read access is requested then only the
# allow_ftp_use_cifs boolean needs to be set. Write
# access also requires the allow_ftpd_anon_write
if avc.all_accesses_are_in(avc.create_file_perms + avc.rw_dir_perms):
return self.report(args=("ftpd_use_cifs", "ftpd_anon_write"))
else:
return None
else:
return None
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