#
# 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
_ = gettext.translation('setroubleshoot-plugins', '/usr/share/locale', fallback=True).lgettext

from setroubleshoot.util import *
from setroubleshoot.Plugin import Plugin
import re


class plugin(Plugin):
    summary =_('''
    SELinux is preventing the $SOURCE from executing potentially mislabeled files $TARGET_PATH ($TARGET_TYPE).
    ''')

    problem_description = _('''
    SELinux has denied the $SOURCE from executing potentially
    mislabeled files $TARGET_PATH.  Automounter can be setup to execute
    configuration files, if $TARGET_PATH is an automount executable
    configuration file it needs to have a file label of bin_t.
    If automounter is trying to execute something that it is not supposed to, this could indicate an intrusion attack.
    ''')

    fix_description = _('''
    If you want to change the file context of $TARGET_PATH so that the automounter can execute it you can execute "chcon -t bin_t '$TARGET_PATH'".  If you want this to survive a relabel, you need to permanently change the file context: execute  "semanage fcontext -a -t bin_t '$TARGET_PATH'".
    You must also change the default file context files on the system in order to preserve them even on a full relabel.  "semanage fcontext -a -t bin_t '$TARGET_PATH'"
    ''')

    fix_cmd = "chcon -t bin_t '$TARGET_PATH'"

    def __init__(self):
        Plugin.__init__(self, __name__)

    def analyze(self, avc):
        if avc.matches_source_types(['automount_t'])                 and \
           avc.all_accesses_are_in(['execute', 'execute_no_trans'])  and \
           avc.has_tclass_in(['file']):
            # MATCH
            return self.report(avc, _("File Label"),
                               self.summary, self.problem_description,
                               self.fix_description, self.fix_cmd)
        return None