#
# 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

class plugin(Plugin):
    summary =_('''
    SELinux is preventing the http daemon from executing a shell script''')

    problem_description = _('''
    SELinux has denied the http daemon from executing a shell
    script. Ordinarily, httpd requires that all scripts (CGIs) be
    labeled httpd_sys_script_exec_t.  If httpd should not be running
    this shell script, this could signal a intrusion attempt.
    ''')

    fix_description = _('''
    If you want httpd to be able to run a particular shell script,
    you can label it with chcon -t httpd_sys_script_exec_t SCRIPTFILE.  If you
    want httpd to be able execute any shell script you need to turn on
    the $BOOLEAN boolean: "setsebool -P $BOOLEAN=1"
    ''')

    fix_cmd = 'setsebool -P $BOOLEAN=1'
    
    def __init__(self):
        Plugin.__init__(self, __name__)

    def analyze(self, avc):
        if avc.matches_source_types(['httpd_t']) and \
           avc.matches_target_types(['shell_exec_t']):
            # MATCH
            avc.set_template_substitutions(BOOLEAN="httpd_ssi_exec")
            return self.report(avc, _("Web Server"),
                               self.summary, self.problem_description,
                               self.fix_description, self.fix_cmd)

        return None