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path: root/base/deploy/src/scriptlets/selinux_setup.py
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#!/usr/bin/python -t
# Authors:
#     Ade Lee <alee@redhat.com>
#
# 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; version 2 of the License.
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright (C) 2012 Red Hat, Inc.
# All rights reserved.
#

# PKI Deployment Imports
import pkiconfig as config
from pkiconfig import pki_master_dict as master
from pkiconfig import pki_selinux_config_ports as ports
import pkihelper as util
import pkimessages as log
import pkiscriptlet
import seobject
import selinux

# PKI Deployment Selinux Setup Scriptlet
class PkiScriptlet(pkiscriptlet.AbstractBasePkiScriptlet):
    rv = 0
    suffix = "(/.*)?"

    def restore_context(self):
        selinux.restorecon(master['pki_instance_path'], True)
        selinux.restorecon(master['pki_instance_log_path'], True)
        selinux.restorecon(master['pki_instance_configuration_path'], True)

    def spawn(self):
        config.pki_log.info(log.SUBSYSTEM_SPAWN_1, __name__,
                            extra=config.PKI_INDENTATION_LEVEL_1)

        # check first if any transactions are required
        if len(ports) == 0 and master['pki_instance_name'] == \
           config.PKI_DEPLOYMENT_DEFAULT_TOMCAT_INSTANCE_NAME:
               self.restore_context()
               return self.rv

        # add SELinux contexts when adding the first subsystem
        if master['pki_subsystem'] in config.PKI_APACHE_SUBSYSTEMS and\
            util.instance.apache_instance_subsystems() == 1 or\
            master['pki_subsystem'] in config.PKI_TOMCAT_SUBSYSTEMS and\
            util.instance.tomcat_instance_subsystems() == 1:

            trans = seobject.semanageRecords("targeted")
            trans.start()
            if master['pki_instance_name'] != \
              config.PKI_DEPLOYMENT_DEFAULT_TOMCAT_INSTANCE_NAME:

                fcon = seobject.fcontextRecords()

                config.pki_log.info("adding selinux fcontext \"%s\"",
                        master['pki_instance_path'] + self.suffix,
                        extra=config.PKI_INDENTATION_LEVEL_2)
                fcon.add(master['pki_instance_path'] + self.suffix,
                      config.PKI_INSTANCE_SELINUX_CONTEXT, "", "s0", "")

                config.pki_log.info("adding selinux fcontext \"%s\"",
                        master['pki_instance_log_path'] + self.suffix,
                        extra=config.PKI_INDENTATION_LEVEL_2)
                fcon.add(master['pki_instance_log_path'] + self.suffix,
                      config.PKI_LOG_SELINUX_CONTEXT, "", "s0", "")

                config.pki_log.info("adding selinux fcontext \"%s\"",
                        master['pki_instance_configuration_path'] + self.suffix,
                        extra=config.PKI_INDENTATION_LEVEL_2)
                fcon.add(master['pki_instance_configuration_path'] + self.suffix,
                      config.PKI_CFG_SELINUX_CONTEXT, "", "s0", "")

                config.pki_log.info("adding selinux fcontext \"%s\"",
                        master['pki_database_path'] + self.suffix,
                        extra=config.PKI_INDENTATION_LEVEL_2)
                fcon.add(master['pki_database_path'] + self.suffix,
                      config.PKI_CERTDB_SELINUX_CONTEXT, "", "s0", "")

            portRecords = seobject.portRecords()
            for port in ports:
                config.pki_log.info("adding selinux port %s", port,
                        extra=config.PKI_INDENTATION_LEVEL_2)
                portRecords.add(port, "tcp", "s0", config.PKI_PORT_SELINUX_CONTEXT)

            trans.finish()

        self.restore_context()
        return self.rv

    def respawn(self):
        config.pki_log.info(log.SUBSYSTEM_RESPAWN_1, __name__,
                            extra=config.PKI_INDENTATION_LEVEL_1)
        self.restore_context()
        return self.rv

    def destroy(self):
        config.pki_log.info(log.SUBSYSTEM_DESTROY_1, __name__,
                            extra=config.PKI_INDENTATION_LEVEL_1)

        # check first if any transactions are required
        if len(ports) == 0 and master['pki_instance_name'] == \
           config.PKI_DEPLOYMENT_DEFAULT_TOMCAT_INSTANCE_NAME:
               return self.rv

        # remove SELinux contexts when removing the last subsystem
        if master['pki_subsystem'] in config.PKI_APACHE_SUBSYSTEMS and\
            util.instance.apache_instance_subsystems() == 0 or\
            master['pki_subsystem'] in config.PKI_TOMCAT_SUBSYSTEMS and\
            util.instance.tomcat_instance_subsystems() == 0:

            trans = seobject.semanageRecords("targeted")
            trans.start()

            if master['pki_instance_name'] != \
              config.PKI_DEPLOYMENT_DEFAULT_TOMCAT_INSTANCE_NAME:

                fcon = seobject.fcontextRecords()

                config.pki_log.info("deleting selinux fcontext \"%s\"",
                        master['pki_instance_path'] + self.suffix,
                        extra=config.PKI_INDENTATION_LEVEL_2)
                fcon.delete(master['pki_instance_path'] + self.suffix , "")

                config.pki_log.info("deleting selinux fcontext \"%s\"",
                        master['pki_instance_log_path'] + self.suffix,
                        extra=config.PKI_INDENTATION_LEVEL_2)
                fcon.delete(master['pki_instance_log_path'] + self.suffix, "")

                config.pki_log.info("deleting selinux fcontext \"%s\"",
                        master['pki_instance_configuration_path'] + self.suffix,
                        extra=config.PKI_INDENTATION_LEVEL_2)
                fcon.delete(master['pki_instance_configuration_path'] + \
                         self.suffix, "")

                config.pki_log.info("deleting selinux fcontext \"%s\"",
                        master['pki_database_path'] + self.suffix,
                        extra=config.PKI_INDENTATION_LEVEL_2)
                fcon.delete(master['pki_database_path'] + self.suffix , "")

            portRecords = seobject.portRecords()
            for port in ports:
                config.pki_log.info("deleting selinux port %s", port,
                        extra=config.PKI_INDENTATION_LEVEL_2)
                portRecords.delete(port, "tcp")

            trans.finish()

        return self.rv