# @author Thomas Liu <tliu@redhat.com>
# @author Dan Walsh <dwalsh@redhat.com>
#
# Copyright (C) 2009 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 =_('''
    Your system may be seriously compromised!
    ''')

    problem_description = _('''
    SELinux has prevented $SOURCE from modifying $TARGET.  This denial
    indicates $SOURCE was trying to modify the selinux policy configuration.
    All applications that need this access should have already had policy
    written for them.  If a compromised application tries to modify the SELinux
    policy this AVC will be generated. This is a serious issue. Your system
    may very well be compromised.
    ''')

    fix_description = "Contact your security administrator and report this issue."
    fix_cmd = ""
    if_text = _("If you do not think $SOURCE_BASE_PATH should try $ACCESS access on $TARGET_BASE_PATH.")
    then_text = _("you may be under attack by a hacker, since confined applications should not need this access.")
    do_text = _("Contact your security administrator and report this issue.")

    def __init__(self):
        Plugin.__init__(self, __name__)
        self.level="red"

    def analyze(self, avc):
        if ((avc.has_any_access_in(['write']) or avc.open_with_write()) and
           avc.matches_target_types(['selinux_config_t',
                                     'default_context_t',
                                     'file_context_t',
                                     'semanage_store_t',
                                     'semanage_read_lock_t',
                                     'semanage_trans_lock_t',
                                     'load_policy_exec_t',
                                     'setfiles_exec_t',
                                     'checkpolicy_exec_t',
                                     'newrole_exec_t',
                                     'policy_src_t',
                                     'restorecond_exec_t',
                                     'run_init_exec_t',
                                     'setsebool_exec_t',
                                     'semanage_exec_t',
                                     'selinux_var_lib_t'
                                    ])):
            # MATCH
            return self.report()
        return None