diff options
Diffstat (limited to 'ipa-radius-server/plugins/radiusinstance.py')
| -rw-r--r-- | ipa-radius-server/plugins/radiusinstance.py | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/ipa-radius-server/plugins/radiusinstance.py b/ipa-radius-server/plugins/radiusinstance.py new file mode 100644 index 000000000..731cd65a1 --- /dev/null +++ b/ipa-radius-server/plugins/radiusinstance.py @@ -0,0 +1,174 @@ +#! /usr/bin/python -E +# Authors: John Dennis <jdennis@redhat.com> +# +# Copyright (C) 2007 Red Hat +# see file 'COPYING' for use and warranty information +# +# 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 or later +# +# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# + +import sys +sys.path.append("/usr/share/ipa") + +import subprocess +import string +import tempfile +import shutil +import logging +import pwd +import time +import sys +from ipa import ipautil +from ipa import radius_util + +from ipaserver import service + +import os +import re + +IPA_RADIUS_VERSION = '0.0.0' + +# FIXME there should a utility to get the user base dn +from ipaserver.funcs import DefaultUserContainer, DefaultGroupContainer + +#------------------------------------------------------------------------------- + +def get_radius_version(): + version = None + try: + p = subprocess.Popen([radius_util.RADIUSD, '-v'], stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + stdout, stderr = p.communicate() + status = p.returncode + + if status == 0: + match = re.search("radiusd: FreeRADIUS Version (.+), for host", stdout) + if match: + version = match.group(1) + except Exception, e: + pass + return version + + +#------------------------------------------------------------------------------- + +class RadiusInstance(service.Service): + def __init__(self): + service.Service.__init__(self, "radiusd") + self.fqdn = None + self.realm = None + self.principal = None + + def create_instance(self, realm_name, host_name, ldap_server): + self.realm = realm_name.upper() + self.suffix = ipautil.realm_to_suffix(self.realm) + self.fqdn = host_name + self.ldap_server = ldap_server + self.principal = "%s/%s@%s" % (radius_util.RADIUS_SERVICE_NAME, self.fqdn, self.realm) + self.basedn = self.suffix + self.user_basedn = "%s,%s" % (DefaultUserContainer, self.basedn) # FIXME, should be utility to get this + self.radius_version = get_radius_version() + + try: + self.stop() + except: + # It could have been not running + pass + + self.step("create radiusd keytab", self.__create_radius_keytab) + self.step("configuring radiusd.conf for radius instance", self.__radiusd_conf) + self.step("starting radiusd", self.__start_instance) + self.step("configuring radiusd to start on boot", self.chkconfig_on) + + # FIXME: + # self.step("setting ldap encrypted attributes", self.__set_ldap_encrypted_attributes) + + self.start_creation("Configuring radiusd") + + def __start_instance(self): + try: + self.start() + except: + logging.error("radiusd service failed to start") + + def __radiusd_conf(self): + version = 'IPA_RADIUS_VERSION=%s FREE_RADIUS_VERSION=%s' % (IPA_RADIUS_VERSION, self.radius_version) + sub_dict = {'CONFIG_FILE_VERSION_INFO' : version, + 'LDAP_SERVER' : self.ldap_server, + 'RADIUS_KEYTAB' : radius_util.RADIUS_IPA_KEYTAB_FILEPATH, + 'RADIUS_PRINCIPAL' : self.principal, + 'RADIUS_USER_BASE_DN' : self.user_basedn, + 'ACCESS_ATTRIBUTE' : '', + 'ACCESS_ATTRIBUTE_DEFAULT' : 'TRUE', + 'CLIENTS_BASEDN' : radius_util.radius_clients_basedn(None, self.suffix), + 'SUFFIX' : self.suffix, + } + try: + radiusd_conf = ipautil.template_file(radius_util.RADIUSD_CONF_TEMPLATE_FILEPATH, sub_dict) + radiusd_fd = open(radius_util.RADIUSD_CONF_FILEPATH, 'w+') + radiusd_fd.write(radiusd_conf) + radiusd_fd.close() + except Exception, e: + logging.error("could not create %s: %s", radius_util.RADIUSD_CONF_FILEPATH, e) + + def __create_radius_keytab(self): + try: + if ipautil.file_exists(radius_util.RADIUS_IPA_KEYTAB_FILEPATH): + os.remove(radius_util.RADIUS_IPA_KEYTAB_FILEPATH) + except os.error: + logging.error("Failed to remove %s", radius_util.RADIUS_IPA_KEYTAB_FILEPATH) + + (kwrite, kread, kerr) = os.popen3("/usr/kerberos/sbin/kadmin.local") + kwrite.write("addprinc -randkey %s\n" % (self.principal)) + kwrite.flush() + kwrite.write("ktadd -k %s %s\n" % (radius_util.RADIUS_IPA_KEYTAB_FILEPATH, self.principal)) + kwrite.flush() + kwrite.close() + kread.close() + kerr.close() + + # give kadmin time to actually write the file before we go on + retry = 0 + while not ipautil.file_exists(radius_util.RADIUS_IPA_KEYTAB_FILEPATH): + time.sleep(1) + retry += 1 + if retry > 15: + print "Error timed out waiting for kadmin to finish operations\n" + sys.exit(1) + try: + pent = pwd.getpwnam(radius_util.RADIUS_USER) + os.chown(radius_util.RADIUS_IPA_KEYTAB_FILEPATH, pent.pw_uid, pent.pw_gid) + except Exception, e: + logging.error("could not chown on %s to %s: %s", radius_util.RADIUS_IPA_KEYTAB_FILEPATH, radius_util.RADIUS_USER, e) + + def __ldap_mod(self, ldif): + txt = iputil.template_file(ipautil.SHARE_DIR + ldif, self.sub_dict) + fd = ipautil.write_tmp_file(txt) + + args = ["/usr/bin/ldapmodify", "-h", "127.0.0.1", "-xv", + "-D", "cn=Directory Manager", "-w", self.dm_password, "-f", fd.name] + + try: + ipautil.run(args) + except ipautil.CalledProcessError, e: + logging.critical("Failed to load %s: %s" % (ldif, str(e))) + + fd.close() + + #FIXME, should use IPAdmin method + def __set_ldap_encrypted_attributes(self): + self.__ldap_mod("encrypted_attribute.ldif", {"ENCRYPTED_ATTRIBUTE" : "radiusClientSecret"}) + +#------------------------------------------------------------------------------- + |