From cf595511ff9e55b5f10a3273575980d6bb39d67a Mon Sep 17 00:00:00 2001 From: Karl MacMillan Date: Wed, 12 Dec 2007 18:06:39 -0500 Subject: Move radius server components into a separate package. --- ipa-radius-server/Makefile | 20 ++ ipa-radius-server/ipa-radius-install | 73 ++++++ ipa-radius-server/ipa-radius-server.spec | 50 ++++ ipa-radius-server/ipa-radius-server.spec.in | 50 ++++ ipa-radius-server/plugins/__init__.py | 1 + ipa-radius-server/plugins/radiusinstance.py | 173 +++++++++++++ .../share/radius.radiusd.conf.template | 285 +++++++++++++++++++++ 7 files changed, 652 insertions(+) create mode 100644 ipa-radius-server/Makefile create mode 100644 ipa-radius-server/ipa-radius-install create mode 100755 ipa-radius-server/ipa-radius-server.spec create mode 100755 ipa-radius-server/ipa-radius-server.spec.in create mode 100644 ipa-radius-server/plugins/__init__.py create mode 100644 ipa-radius-server/plugins/radiusinstance.py create mode 100644 ipa-radius-server/share/radius.radiusd.conf.template (limited to 'ipa-radius-server') diff --git a/ipa-radius-server/Makefile b/ipa-radius-server/Makefile new file mode 100644 index 00000000..7de51b46 --- /dev/null +++ b/ipa-radius-server/Makefile @@ -0,0 +1,20 @@ +PLUGINS_SHARE = $(DESTDIR)/usr/share/ipa/plugins +PLUGINS_PYTHON = $(DESTDIR)/usr/share/ipa/ipaserver/plugins +SBINDIR = $(DESTDIR)/usr/sbin + +all: + +install: + -mkdir -p $(PLUGINS_SHARE) + -mkdir -p $(PLUGINS_PYTHON) + -mkdir -p $(PLUGINS_SBINDIR) + install -m 644 plugins/*.py $(PLUGINS_PYTHON) + install -m 644 share/*.template $(PLUGINS_SHARE) + install -m 755 ipa-radius-install $(SBINDIR) + +clean: + rm -fr *.pyc *~ + +distclean: clean + +test: \ No newline at end of file diff --git a/ipa-radius-server/ipa-radius-install b/ipa-radius-server/ipa-radius-install new file mode 100644 index 00000000..3e759d8d --- /dev/null +++ b/ipa-radius-server/ipa-radius-install @@ -0,0 +1,73 @@ +#! /usr/bin/python -E +# Authors: Karl MacMillan +# +# 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 only +# +# 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 traceback, logging, krbV + +from ipaserver import installutils +from ipaserver.plugins import radiusinstance + +from ipa import ipautil + +def get_host_name(): + hostname = installutils.get_fqdn() + try: + installutils.verify_fqdn(hostname) + except RuntimeError, e: + logging.error(str(e)) + sys.exit(1) + + return hostname + +def get_realm_name(): + c = krbV.default_context() + return c.default_realm + +def main(): + if not ipautil.file_exists("/etc/ipa/ipa.conf"): + print "This system does not appear to have IPA configured." + print "Has ipa-server-install been run?" + yesno = raw_input("Continue with radius install [y/N]? ") + if yesno.lower() != "y": + sys.exit(1) + + installutils.standard_logging_setup("iparadius-install.log", False) + + host_name = get_host_name() + + realm_name = get_realm_name() + + # Create a radius instance + radius = radiusinstance.RadiusInstance() + # FIXME: ldap_server should be derived, not hardcoded to localhost, also should it be a URL? + radius.create_instance(realm_name, host_name, 'localhost') + + +try: + main() +except Exception, e: + message = "Unexpected error - see iparadius-install.log for details:\n %s" % str(e) + print message + message = str(e) + for str in traceback.format_tb(sys.exc_info()[2]): + message = message + "\n" + str + logging.debug(message) diff --git a/ipa-radius-server/ipa-radius-server.spec b/ipa-radius-server/ipa-radius-server.spec new file mode 100755 index 00000000..2b8b6162 --- /dev/null +++ b/ipa-radius-server/ipa-radius-server.spec @@ -0,0 +1,50 @@ +Name: ipa-radius-server +Version: 0.5.0 +Release: 1%{?dist} +Summary: IPA authentication server - radius plugin + +Group: System Environment/Base +License: GPL +URL: http://www.freeipa.org +Source0: %{name}-%{version}.tgz +BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) +BuildArch: noarch + +Requires: python +Requires: ipa-server +Requires: freeradius + +%description +Radius plugin for an IPA server + +%prep +%setup -q + +%install +rm -rf %{buildroot} +mkdir -p %{buildroot}%{_sbindir} + +make install DESTDIR=%{buildroot} + + +%clean +rm -rf %{buildroot} + + +%files +%defattr(-,root,root,-) +%{_sbindir}/ipa* + +%dir %{_usr}/share/ipa/plugins +%{_usr}/share/ipa/plugins/* + +%dir %{_usr}/share/ipa/ipaserver/plugins +%{_usr}/share/ipa/ipaserver/plugins/* + +%changelog +* Wed Dec 12 2007 Karl MacMillan - 0.5.0-1 +- Initial version + + + + diff --git a/ipa-radius-server/ipa-radius-server.spec.in b/ipa-radius-server/ipa-radius-server.spec.in new file mode 100755 index 00000000..5937d3b1 --- /dev/null +++ b/ipa-radius-server/ipa-radius-server.spec.in @@ -0,0 +1,50 @@ +Name: ipa-radius-server +Version: VERSION +Release: 1%{?dist} +Summary: IPA authentication server - radius plugin + +Group: System Environment/Base +License: GPL +URL: http://www.freeipa.org +Source0: %{name}-%{version}.tgz +BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) +BuildArch: noarch + +Requires: python +Requires: ipa-server +Requires: freeradius + +%description +Radius plugin for an IPA server + +%prep +%setup -q + +%install +rm -rf %{buildroot} +mkdir -p %{buildroot}%{_sbindir} + +make install DESTDIR=%{buildroot} + + +%clean +rm -rf %{buildroot} + + +%files +%defattr(-,root,root,-) +%{_sbindir}/ipa* + +%dir %{_usr}/share/ipa/plugins +%{_usr}/share/ipa/plugins/* + +%dir %{_usr}/share/ipa/ipaserver/plugins +%{_usr}/share/ipa/ipaserver/plugins/* + +%changelog +* Wed Dec 12 2007 Karl MacMillan - 0.5.0-1 +- Initial version + + + + diff --git a/ipa-radius-server/plugins/__init__.py b/ipa-radius-server/plugins/__init__.py new file mode 100644 index 00000000..636bc1a8 --- /dev/null +++ b/ipa-radius-server/plugins/__init__.py @@ -0,0 +1 @@ +# intentionally empty diff --git a/ipa-radius-server/plugins/radiusinstance.py b/ipa-radius-server/plugins/radiusinstance.py new file mode 100644 index 00000000..743a1d8a --- /dev/null +++ b/ipa-radius-server/plugins/radiusinstance.py @@ -0,0 +1,173 @@ +#! /usr/bin/python -E +# Authors: John Dennis +# +# 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.ipautil import * +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 ldap_mod(fd, dn, pwd): + args = ["/usr/bin/ldapmodify", "-h", "127.0.0.1", "-xv", "-D", dn, "-w", pwd, "-f", fd.name] + run(args) + +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 = 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() + self.start_creation(4, "Configuring radiusd") + + try: + self.stop() + except: + # It could have been not running + pass + + self.__create_radius_keytab() + self.__radiusd_conf() + + try: + self.step("starting radiusd") + self.start() + except: + logging.error("radiusd service failed to start") + + self.step("configuring radiusd to start on boot") + self.chkconfig_on() + + + def __radiusd_conf(self): + self.step('configuring radiusd.conf for radius instance') + + 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 = 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): + self.step("creating a keytab for radiusd") + try: + if 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 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) + + #FIXME, should use IPAdmin method + def __set_ldap_encrypted_attributes(self): + ldif_file = 'encrypted_attribute.ldif' + self.step("setting ldap encrypted attributes") + ldif_txt = template_file(SHARE_DIR + ldif_file, {'ENCRYPTED_ATTRIBUTE':'radiusClientSecret'}) + ldif_fd = write_tmp_file(ldif_txt) + try: + ldap_mod(ldif_fd, "cn=Directory Manager", self.dm_password) + except subprocess.CalledProcessError, e: + logging.critical("Failed to load %s: %s" % (ldif_file, str(e))) + ldif_fd.close() + +#------------------------------------------------------------------------------- + diff --git a/ipa-radius-server/share/radius.radiusd.conf.template b/ipa-radius-server/share/radius.radiusd.conf.template new file mode 100644 index 00000000..3bc4927d --- /dev/null +++ b/ipa-radius-server/share/radius.radiusd.conf.template @@ -0,0 +1,285 @@ +# +# WARNING: This file is automatically generated, do not edit +# +# $CONFIG_FILE_VERSION_INFO +# +prefix = /usr +exec_prefix = /usr +sysconfdir = /etc +localstatedir = /var +sbindir = /usr/sbin +logdir = $${localstatedir}/log/radius +raddbdir = $${sysconfdir}/raddb +radacctdir = $${logdir}/radacct +confdir = $${raddbdir} +run_dir = $${localstatedir}/run/radiusd +db_dir = $${localstatedir}/lib/radiusd +log_file = $${logdir}/radius.log +libdir = /usr/lib +pidfile = $${run_dir}/radiusd.pid +user = radiusd +group = radiusd +max_request_time = 30 +delete_blocked_requests = no +cleanup_delay = 5 +max_requests = 1024 +bind_address = * +port = 0 +hostname_lookups = no +allow_core_dumps = no +regular_expressions = yes +extended_expressions = yes +log_stripped_names = no +log_auth = no +log_auth_badpass = no +log_auth_goodpass = no +usercollide = no +lower_user = no +lower_pass = no +nospace_user = no +nospace_pass = no +checkrad = $${sbindir}/checkrad +security { + max_attributes = 200 + reject_delay = 1 + status_server = no +} +proxy_requests = yes +$$INCLUDE $${confdir}/proxy.conf +$$INCLUDE $${confdir}/clients.conf +snmp = no +$$INCLUDE $${confdir}/snmp.conf +thread pool { + start_servers = 5 + max_servers = 32 + min_spare_servers = 3 + max_spare_servers = 10 + max_requests_per_server = 0 +} +modules { + chap { + authtype = CHAP + } + pam { + pam_auth = radiusd + } + unix { + cache = no + cache_reload = 600 + shadow = /etc/shadow + radwtmp = $${logdir}/radwtmp + } +$$INCLUDE $${confdir}/eap.conf + mschap { + } + ldap { + server = "$LDAP_SERVER" + use_sasl = yes + sasl_mech = "GSSAPI" + krb_keytab = "$RADIUS_KEYTAB" + krb_principal = "$RADIUS_PRINCIPAL" + basedn = "$RADIUS_USER_BASE_DN" + filter = "(uid=%{Stripped-User-Name:-%{User-Name}})" + base_filter = "(objectclass=radiusprofile)" + start_tls = no + profile_attribute = "radiusProfileDn" + default_profile = "uid=ipa_default,cn=profiles,cn=radius,cn=services,cn=etc,$SUFFIX + # FIXME: we'll want to toggle the access_attr feature on/off, + # but it needs a control, so disable it for now. + #access_attr = "$ACCESS_ATTRIBUTE" + #access_attr_used_for_allow = "$ACCESS_ATTRIBUTE_DEFAULT" + dictionary_mapping = $${raddbdir}/ldap.attrmap + ldap_connections_number = 5 + edir_account_policy_check=no + timeout = 4 + timelimit = 3 + net_timeout = 1 + clients_basedn = "$CLIENTS_BASEDN" + } + realm IPASS { + format = prefix + delimiter = "/" + ignore_default = no + ignore_null = no + } + realm suffix { + format = suffix + delimiter = "@" + ignore_default = no + ignore_null = no + } + realm realmpercent { + format = suffix + delimiter = "%" + ignore_default = no + ignore_null = no + } + realm ntdomain { + format = prefix + delimiter = "\\" + ignore_default = no + ignore_null = no + } + checkval { + item-name = Calling-Station-Id + check-name = Calling-Station-Id + data-type = string + } + preprocess { + huntgroups = $${confdir}/huntgroups + hints = $${confdir}/hints + with_ascend_hack = no + ascend_channels_per_line = 23 + with_ntdomain_hack = no + with_specialix_jetstream_hack = no + with_cisco_vsa_hack = no + } + files { + usersfile = $${confdir}/users + acctusersfile = $${confdir}/acct_users + preproxy_usersfile = $${confdir}/preproxy_users + compat = no + } + detail { + detailfile = $${radacctdir}/%{Client-IP-Address}/detail-%Y%m%d + detailperm = 0600 + } + acct_unique { + key = "User-Name, Acct-Session-Id, NAS-IP-Address, Client-IP-Address, NAS-Port" + } + radutmp { + filename = $${logdir}/radutmp + username = %{User-Name} + case_sensitive = yes + check_with_nas = yes + perm = 0600 + callerid = "yes" + } + radutmp sradutmp { + filename = $${logdir}/sradutmp + perm = 0644 + callerid = "no" + } + attr_filter { + attrsfile = $${confdir}/attrs + } + counter daily { + filename = $${db_dir}/db.daily + key = User-Name + count-attribute = Acct-Session-Time + reset = daily + counter-name = Daily-Session-Time + check-name = Max-Daily-Session + allowed-servicetype = Framed-User + cache-size = 5000 + } + sqlcounter dailycounter { + counter-name = Daily-Session-Time + check-name = Max-Daily-Session + reply-name = Session-Timeout + sqlmod-inst = sql + key = User-Name + reset = daily + query = "SELECT SUM(AcctSessionTime - \ + GREATEST((%b - UNIX_TIMESTAMP(AcctStartTime)), 0)) \ + FROM radacct WHERE UserName='%{%k}' AND \ + UNIX_TIMESTAMP(AcctStartTime) + AcctSessionTime > '%b'" + } + sqlcounter monthlycounter { + counter-name = Monthly-Session-Time + check-name = Max-Monthly-Session + reply-name = Session-Timeout + sqlmod-inst = sql + key = User-Name + reset = monthly + query = "SELECT SUM(AcctSessionTime - \ + GREATEST((%b - UNIX_TIMESTAMP(AcctStartTime)), 0)) \ + FROM radacct WHERE UserName='%{%k}' AND \ + UNIX_TIMESTAMP(AcctStartTime) + AcctSessionTime > '%b'" + } + always fail { + rcode = fail + } + always reject { + rcode = reject + } + always ok { + rcode = ok + simulcount = 0 + mpp = no + } + expr { + } + digest { + } + exec { + wait = yes + input_pairs = request + } + exec echo { + wait = yes + program = "/bin/echo %{User-Name}" + input_pairs = request + output_pairs = reply + } + ippool main_pool { + range-start = 192.168.1.1 + range-stop = 192.168.3.254 + netmask = 255.255.255.0 + cache-size = 800 + session-db = $${db_dir}/db.ippool + ip-index = $${db_dir}/db.ipindex + override = no + maximum-timeout = 0 + } + krb5 { + keytab = "$RADIUS_KEYTAB" + service_principal = "$RADIUS_PRINCIPAL" + } +} +instantiate { + exec + expr +} +authorize { + preprocess + chap + mschap + suffix + eap + #files + ldap +} +authenticate { + Auth-Type CHAP { + chap + } + Auth-Type MS-CHAP { + mschap + } + eap + Auth-Type Kerberos { + krb5 + } +} +preacct { + preprocess + acct_unique + suffix + files +} +accounting { + detail + unix + radutmp +} +session { + radutmp +} +post-auth { +} +pre-proxy { +} +post-proxy { + eap +} -- cgit