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fd50d9e900
If not then sssd spits out a warning message: sssd: nscd socket was detected. As nscd caching capabilities may conflict with SSSD, it is recommended to not run nscd in parallel with SSSD Stop nscd before configuring sssd so we don't confuse our users. ticket 743
818 lines
32 KiB
Python
Executable File
818 lines
32 KiB
Python
Executable File
#! /usr/bin/python -E
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# Authors: Simo Sorce <ssorce@redhat.com>
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# Karl MacMillan <kmacmillan@mentalrootkit.com>
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#
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# Copyright (C) 2007 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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try:
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import sys
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import os
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import time
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import socket
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import logging
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import tempfile
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import getpass
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import ipaclient.ipadiscovery
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import ipaclient.ipachangeconf
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import ipaclient.ntpconf
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from ipapython.ipautil import run, user_input, CalledProcessError, file_exists
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from ipapython import sysrestore
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from ipapython import version
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from ipapython import certmonger
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from ipapython.config import IPAOptionParser
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import SSSDConfig
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from ConfigParser import RawConfigParser
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except ImportError:
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print >> sys.stderr, """\
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There was a problem importing one of the required Python modules. The
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error was:
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%s
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""" % sys.exc_value
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sys.exit(1)
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client_nss_nickname = 'IPA Machine Certificate - %s' % socket.getfqdn()
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def parse_options():
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parser = IPAOptionParser(version=version.VERSION)
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parser.add_option("--domain", dest="domain", help="domain name")
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parser.add_option("--server", dest="server", help="IPA server")
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parser.add_option("--realm", dest="realm_name", help="realm name")
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parser.add_option("-f", "--force", dest="force", action="store_true",
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default=False, help="force setting of ldap/kerberos conf")
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parser.add_option("-d", "--debug", dest="debug", action="store_true",
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default=False, help="print debugging information")
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parser.add_option("-U", "--unattended", dest="unattended",
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action="store_true",
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help="unattended installation never prompts the user")
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parser.add_option("--ntp-server", dest="ntp_server", help="ntp server to use")
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parser.add_option("-S", "--no-sssd", action="store_false",
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help="do not configure sssd", default=True, dest="sssd")
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parser.add_option("-N", "--no-ntp", action="store_false",
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help="do not configure ntp", default=True, dest="conf_ntp")
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parser.add_option("-w", "--password", dest="password", sensitive=True,
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help="password to join the IPA realm (assumes bulk password unless principal is also set)"),
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parser.add_option("-W", dest="prompt_password", action="store_true",
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default=False,
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help="Prompt for a password to join the IPA realm"),
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parser.add_option("-p", "--principal", dest="principal",
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help="principal to use to join the IPA realm"),
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parser.add_option("--on-master", dest="on_master", action="store_true",
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help="use this option when run on a master", default=False)
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parser.add_option("--permit", dest="permit", action="store_true",
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help="disable access rules by default, permit all access.", default=False)
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parser.add_option("--mkhomedir", dest="mkhomedir", action="store_true",
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help="create home directories for users on their first login", default=False)
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parser.add_option("", "--uninstall", dest="uninstall", action="store_true",
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default=False, help="uninstall an existing installation")
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parser.add_option("", "--hostname", dest="hostname",
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help="The hostname of this server (FQDN). By default of nodename from uname(2) is used.")
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options, args = parser.parse_args()
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safe_opts = parser.get_safe_opts(options)
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if (options.server and not options.domain):
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parser.error("--server cannot be used without providing --domain")
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return safe_opts, options
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def logging_setup(options):
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# Always log everything (i.e., DEBUG) to the log
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# file.
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log_file = "/var/log/ipaclient-install.log"
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if options.uninstall:
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log_file = "/var/log/ipaclient-uninstall.log"
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old_umask = os.umask(077)
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logging.basicConfig(level=logging.DEBUG,
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format='%(asctime)s %(levelname)s %(message)s',
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filename=log_file,
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filemode='w')
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os.umask(old_umask)
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console = logging.StreamHandler()
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# If the debug option is set, also log debug messages to the console
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if options.debug:
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console.setLevel(logging.DEBUG)
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else:
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# Otherwise, log critical and error messages
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console.setLevel(logging.ERROR)
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formatter = logging.Formatter('%(name)-12s: %(levelname)-8s %(message)s')
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console.setFormatter(formatter)
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logging.getLogger('').addHandler(console)
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def nickname_exists(nickname):
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(sout, serr, returncode) = run(["/usr/bin/certutil", "-L", "-d", "/etc/pki/nssdb", "-n", nickname], raiseonerr=False)
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if returncode == 0:
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return True
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else:
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return False
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def service(name, status):
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"""
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Run a System V init script 'name' with the status 'status'
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The return value of /sbin/service name start/stop/status is:
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0 - Ok
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1 - unrecognized service, bad usage
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> 1 - generally command-specific
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For status == 'status' it means:
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0 - running
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1 - dead but pid file exists
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2 - dead but sybsys locked
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3 - stopped
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"""
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(sout, serr, returncode) = run(['/sbin/service', name, 'status'], raiseonerr=False)
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# If the service isn't installed return with no error
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if returncode == 1:
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return
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args = ['/sbin/service', name, status]
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(sout, serr, returncode) = run(args, raiseonerr=False)
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if returncode != 0:
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raise CalledProcessError(returncode, ' '.join(args))
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return
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def chkconfig(name, status):
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"""
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Set startup of service 'name' to 'status' (on or off)
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chkconfig returns 1 if the service is unknown, 0 otherwise
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"""
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(sout, serr, returncode) = run(['/sbin/chkconfig', name, '--list'], raiseonerr=False)
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# If the service isn't installed return with no error
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if returncode == 1:
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return
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args = ['/sbin/chkconfig', name, status]
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(sout, serr, returncode) = run(args, raiseonerr=False)
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if returncode != 0:
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raise CalledProcessError(returncode, ' '.join(args))
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return
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def uninstall(options, env):
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if not fstore.has_files() and not options.force:
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print "IPA client is not configured on this system."
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return 2
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# Remove our host cert and CA cert
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if nickname_exists("IPA CA"):
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try:
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run(["/usr/bin/certutil", "-D", "-d", "/etc/pki/nssdb", "-n", "IPA CA"])
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except Exception, e:
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print "Failed to remove IPA CA from /etc/pki/nssdb: %s" % str(e)
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if nickname_exists(client_nss_nickname):
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# Always start certmonger. We can't untrack something if it isn't
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# running
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try:
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service('certmonger', 'start')
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except:
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pass
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try:
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certmonger.stop_tracking('/etc/pki/nssdb', nickname=client_nss_nickname)
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except (CalledProcessError, RuntimeError), e:
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logging.error("certmonger failed to stop tracking certificate: %s" % str(e))
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try:
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run(["/usr/bin/certutil", "-D", "-d", "/etc/pki/nssdb", "-n", client_nss_nickname])
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except Exception, e:
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print "Failed to remove %s from /etc/pki/nssdb: %s" % (client_nss_nickname, str(e))
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try:
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service('certmonger', 'stop')
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except:
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pass
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try:
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chkconfig('certmonger', 'off')
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except:
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print "Failed to disable automatic startup of the certmonger daemon"
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if not options.on_master:
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print "Unenrolling client from IPA server"
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join_args = ["/usr/sbin/ipa-join", "--unenroll"]
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(stdout, stderr, returncode) = run(join_args, raiseonerr=False, env=env)
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if returncode != 0:
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print "Unenrolling host failed: %s" % stderr
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print "Removing Kerberos service principals from /etc/krb5.keytab"
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try:
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parser = RawConfigParser()
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fp = open('/etc/ipa/default.conf', 'r')
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parser.readfp(fp)
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fp.close()
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realm = parser.get('global', 'realm')
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run(["/usr/sbin/ipa-rmkeytab", "-k", "/etc/krb5.keytab", "-r", realm])
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except:
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print "Failed to clean up /etc/krb5.keytab"
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print "Disabling client Kerberos and Ldap configurations"
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try:
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run(["/usr/sbin/authconfig", "--disableldap", "--disablekrb5", "--disablesssd", "--disablesssdauth", "--disablemkhomedir", "--update"])
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except Exception, e:
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print "Failed to remove krb5/ldap configuration. " +str(e)
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sys.exit(1)
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print "Restoring client configuration files"
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fstore.restore_all_files()
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try:
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service('nscd', 'restart')
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except:
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print "Failed to restart start the NSCD daemon"
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try:
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chkconfig('nscd', 'on')
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except:
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print "Failed to configure automatic startup of the NSCD daemon"
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if not options.unattended:
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print "The original nsswitch.conf configuration has been restored."
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print "You may need to restart services or reboot the machine."
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if not options.on_master:
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if user_input("Do you want to reboot the machine?", False):
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try:
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run(["/usr/bin/reboot"])
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except Exception, e:
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print "Reboot command failed to exceute. " + str(e)
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sys.exit(1)
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# Remove the IPA configuration file
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try:
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os.remove("/etc/ipa/default.conf")
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except:
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pass
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def configure_ipa_conf(fstore, cli_basedn, cli_realm, cli_domain, cli_server):
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ipaconf = ipaclient.ipachangeconf.IPAChangeConf("IPA Installer")
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ipaconf.setOptionAssignment(" = ")
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ipaconf.setSectionNameDelimiters(("[","]"))
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opts = [{'name':'comment', 'type':'comment', 'value':'File modified by ipa-client-install'},
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{'name':'empty', 'type':'empty'}]
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#[global]
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defopts = [{'name':'basedn', 'type':'option', 'value':cli_basedn},
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{'name':'realm', 'type':'option', 'value':cli_realm},
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{'name':'domain', 'type':'option', 'value':cli_domain},
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{'name':'server', 'type':'option', 'value':cli_server},
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{'name':'xmlrpc_uri', 'type':'option', 'value':'https://%s/ipa/xml' % cli_server},
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{'name':'enable_ra', 'type':'option', 'value':'True'}]
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opts.append({'name':'global', 'type':'section', 'value':defopts})
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opts.append({'name':'empty', 'type':'empty'})
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fstore.backup_file("/etc/ipa/default.conf")
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ipaconf.newConf("/etc/ipa/default.conf", opts)
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return 0
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def configure_ldap_conf(fstore, cli_basedn, cli_realm, cli_domain, cli_server, dnsok, options):
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ldapconf = ipaclient.ipachangeconf.IPAChangeConf("IPA Installer")
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ldapconf.setOptionAssignment(" ")
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opts = [{'name':'comment', 'type':'comment', 'value':'File modified by ipa-client-install'},
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{'name':'empty', 'type':'empty'},
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{'name':'ldap_version', 'type':'option', 'value':'3'},
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{'name':'base', 'type':'option', 'value':cli_basedn},
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{'name':'empty', 'type':'empty'},
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{'name':'nss_base_passwd', 'type':'option', 'value':'cn=users,cn=accounts,'+cli_basedn+'?sub'},
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{'name':'nss_base_group', 'type':'option', 'value':'cn=groups,cn=accounts,'+cli_basedn+'?sub'},
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{'name':'nss_schema', 'type':'option', 'value':'rfc2307bis'},
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{'name':'nss_map_attribute', 'type':'option', 'value':'uniqueMember member'},
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{'name':'nss_initgroups_ignoreusers', 'type':'option', 'value':'root,dirsrv'},
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{'name':'empty', 'type':'empty'},
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{'name':'nss_reconnect_maxsleeptime', 'type':'option', 'value':'8'},
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{'name':'nss_reconnect_sleeptime', 'type':'option', 'value':'1'},
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{'name':'bind_timelimit', 'type':'option', 'value':'5'},
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{'name':'timelimit', 'type':'option', 'value':'15'},
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{'name':'empty', 'type':'empty'}]
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if not dnsok or options.force or options.on_master:
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if options.on_master:
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opts.append({'name':'uri', 'type':'option', 'value':'ldap://localhost'})
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else:
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opts.append({'name':'uri', 'type':'option', 'value':'ldap://'+cli_server})
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else:
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opts.append({'name':'nss_srv_domain', 'type':'option', 'value':cli_domain})
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opts.append({'name':'empty', 'type':'empty'})
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# Depending on the release and distribution this may exist in any
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# number of different file names, update what we find
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for filename in ['/etc/ldap.conf', '/etc/nss_ldap.conf', '/etc/libnss-ldap.conf', '/etc/pam_ldap.conf']:
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if file_exists(filename):
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try:
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fstore.backup_file(filename)
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ldapconf.newConf(filename, opts)
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except Exception, e:
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print "Creation of %s: %s" % (filename, str(e))
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return 1
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return 0
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def configure_nslcd_conf(fstore, cli_basedn, cli_realm, cli_domain, cli_server, dnsok, options):
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nslcdconf = ipaclient.ipachangeconf.IPAChangeConf("IPA Installer")
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nslcdconf.setOptionAssignment(" ")
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opts = [{'name':'comment', 'type':'comment', 'value':'File modified by ipa-client-install'},
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{'name':'empty', 'type':'empty'},
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{'name':'ldap_version', 'type':'option', 'value':'3'},
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{'name':'base', 'type':'option', 'value':cli_basedn},
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{'name':'empty', 'type':'empty'},
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{'name':'base passwd', 'type':'option', 'value':'cn=users,cn=accounts,'+cli_basedn},
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{'name':'base group', 'type':'option', 'value':'cn=groups,cn=accounts,'+cli_basedn},
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{'name':'map group', 'type':'option', 'value':'uniqueMember member'},
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{'name':'timelimit', 'type':'option', 'value':'15'},
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{'name':'empty', 'type':'empty'}]
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if not dnsok or options.force or options.on_master:
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if options.on_master:
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opts.append({'name':'uri', 'type':'option', 'value':'ldap://localhost'})
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else:
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opts.append({'name':'uri', 'type':'option', 'value':'ldap://'+cli_server})
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else:
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opts.append({'name':'uri', 'type':'option', 'value':'DNS'})
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opts.append({'name':'empty', 'type':'empty'})
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if file_exists('/etc/nslcd.conf'):
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try:
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fstore.backup_file('/etc/nslcd.conf')
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nslcdconf.newConf('/etc/nslcd.conf', opts)
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except Exception, e:
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print "Creation of %s: %s" % ('/etc/nslcd.conf', str(e))
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return 1
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return 0
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def hardcode_ldap_server(cli_server):
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"""
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DNS Discovery didn't return a valid IPA server, hardcode a value into
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the file instead.
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"""
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if not file_exists('/etc/ldap.conf'):
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return
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ldapconf = ipaclient.ipachangeconf.IPAChangeConf("IPA Installer")
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ldapconf.setOptionAssignment(" ")
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opts = [{'name':'uri', 'type':'option', 'action':'set', 'value':'ldap://'+cli_server},
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{'name':'empty', 'type':'empty'}]
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# Errors raised by this should be caught by the caller
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ldapconf.changeConf("/etc/ldap.conf", opts)
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return
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def configure_krb5_conf(fstore, cli_basedn, cli_realm, cli_domain, cli_server, dnsok, options, filename):
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krbconf = ipaclient.ipachangeconf.IPAChangeConf("IPA Installer")
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krbconf.setOptionAssignment(" = ")
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krbconf.setSectionNameDelimiters(("[","]"))
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krbconf.setSubSectionDelimiters(("{","}"))
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krbconf.setIndent((""," "," "))
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opts = [{'name':'comment', 'type':'comment', 'value':'File modified by ipa-client-install'},
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{'name':'empty', 'type':'empty'}]
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#[libdefaults]
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libopts = [{'name':'default_realm', 'type':'option', 'value':cli_realm}]
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if not dnsok or options.force:
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libopts.append({'name':'dns_lookup_realm', 'type':'option', 'value':'false'})
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libopts.append({'name':'dns_lookup_kdc', 'type':'option', 'value':'false'})
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else:
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libopts.append({'name':'dns_lookup_realm', 'type':'option', 'value':'true'})
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libopts.append({'name':'dns_lookup_kdc', 'type':'option', 'value':'true'})
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libopts.append({'name':'ticket_lifetime', 'type':'option', 'value':'24h'})
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libopts.append({'name':'forwardable', 'type':'option', 'value':'yes'})
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opts.append({'name':'libdefaults', 'type':'section', 'value':libopts})
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opts.append({'name':'empty', 'type':'empty'})
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#the following are necessary only if DNS discovery does not work
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if not dnsok or options.force:
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#[realms]
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kropts =[{'name':'kdc', 'type':'option', 'value':cli_server+':88'},
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{'name':'admin_server', 'type':'option', 'value':cli_server+':749'},
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{'name':'default_domain', 'type':'option', 'value':cli_domain}]
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else:
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kropts = []
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kropts.append({'name':'pkinit_anchors', 'type':'option', 'value':'FILE:/etc/ipa/ca.crt'})
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ropts = [{'name':cli_realm, 'type':'subsection', 'value':kropts}]
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opts.append({'name':'realms', 'type':'section', 'value':ropts})
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opts.append({'name':'empty', 'type':'empty'})
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#[domain_realm]
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dropts = [{'name':'.'+cli_domain, 'type':'option', 'value':cli_realm},
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|
{'name':cli_domain, 'type':'option', 'value':cli_realm}]
|
|
opts.append({'name':'domain_realm', 'type':'section', 'value':dropts})
|
|
opts.append({'name':'empty', 'type':'empty'})
|
|
|
|
#[appdefaults]
|
|
pamopts = [{'name':'debug', 'type':'option', 'value':'false'},
|
|
{'name':'ticket_lifetime', 'type':'option', 'value':'36000'},
|
|
{'name':'renew_lifetime', 'type':'option', 'value':'36000'},
|
|
{'name':'forwardable', 'type':'option', 'value':'true'},
|
|
{'name':'krb4_convert', 'type':'option', 'value':'false'}]
|
|
appopts = [{'name':'pam', 'type':'subsection', 'value':pamopts}]
|
|
opts.append({'name':'appdefaults', 'type':'section', 'value':appopts})
|
|
|
|
krbconf.newConf(filename, opts);
|
|
|
|
return 0
|
|
|
|
def configure_certmonger(fstore, subject_base, cli_realm, options):
|
|
started = True
|
|
|
|
try:
|
|
service('certmonger', 'restart')
|
|
except:
|
|
print "Failed to start the certmonger daemon"
|
|
print "Automatic certificate management will not be available"
|
|
started = False
|
|
|
|
try:
|
|
chkconfig('certmonger', 'on')
|
|
except:
|
|
print "Failed to configure automatic startup of the certmonger daemon"
|
|
print "Automatic certificate management will not be available"
|
|
|
|
# Request our host cert
|
|
if started:
|
|
subject = 'CN=%s,%s' % (socket.getfqdn(), subject_base)
|
|
principal = 'host/%s@%s' % (socket.getfqdn(), cli_realm)
|
|
try:
|
|
run(["ipa-getcert", "request", "-d", "/etc/pki/nssdb", "-n", client_nss_nickname, "-N", subject, "-K", principal])
|
|
except:
|
|
print "certmonger request for host certificate failed"
|
|
|
|
def configure_sssd_conf(fstore, cli_domain, cli_server, options):
|
|
fstore.backup_file("/etc/sssd/sssd.conf")
|
|
sssdconfig = SSSDConfig.SSSDConfig()
|
|
sssdconfig.new_config()
|
|
|
|
domain = sssdconfig.new_domain(cli_domain)
|
|
domain.add_provider('ipa', 'id')
|
|
|
|
domain.set_option('ipa_server', cli_server)
|
|
domain.set_option('ipa_domain', cli_domain)
|
|
|
|
# Might need this if /bin/hostname doesn't return a FQDN
|
|
#domain.set_option('ipa_hostname', 'client.example.com')
|
|
|
|
domain.add_provider('ipa', 'auth')
|
|
domain.add_provider('ipa', 'chpass')
|
|
if not options.permit:
|
|
domain.add_provider('ipa', 'access')
|
|
else:
|
|
domain.add_provider('permit', 'access')
|
|
|
|
domain.set_option('cache_credentials', True)
|
|
|
|
domain.set_active(True)
|
|
|
|
sssdconfig.save_domain(domain)
|
|
sssdconfig.write("/etc/sssd/sssd.conf")
|
|
|
|
return 0
|
|
|
|
def main():
|
|
safe_options, options = parse_options()
|
|
logging_setup(options)
|
|
logging.debug('%s was invoked with options: %s' % (sys.argv[0], safe_options))
|
|
logging.debug("missing options might be asked for interactively later\n")
|
|
dnsok = False
|
|
env={"PATH":"/bin:/sbin:/usr/kerberos/bin:/usr/kerberos/sbin:/usr/bin:/usr/sbin"}
|
|
|
|
global fstore
|
|
fstore = sysrestore.FileStore('/var/lib/ipa-client/sysrestore')
|
|
|
|
if options.uninstall:
|
|
return uninstall(options, env)
|
|
|
|
if fstore.has_files() and not options.force:
|
|
sys.exit("IPA client is already configured on this system.")
|
|
|
|
cli_domain = None
|
|
cli_server = None
|
|
cli_realm = None
|
|
cli_basedn = None
|
|
subject_base = None
|
|
|
|
if options.unattended and (options.password is None and options.principal is None and options.prompt_password is False) and not options.on_master:
|
|
sys.exit("One of password and principal are required.")
|
|
|
|
# Create the discovery instance
|
|
ds = ipaclient.ipadiscovery.IPADiscovery()
|
|
|
|
if options.on_master:
|
|
ret = ds.search(domain=options.domain, server=options.server)
|
|
else:
|
|
ret = ds.search()
|
|
if ret == -10:
|
|
print >>sys.stderr, "Can't get the fully qualified name of this host"
|
|
print >>sys.stderr, "Please check that the client is properly configured"
|
|
return ret
|
|
if ret == -1 or not ds.getDomainName():
|
|
logging.debug("Domain not found")
|
|
if options.domain:
|
|
cli_domain = options.domain
|
|
elif options.unattended:
|
|
print >>sys.stderr, "Unable to discover domain, not provided on command line"
|
|
return ret
|
|
else:
|
|
print "DNS discovery failed to determine your DNS domain"
|
|
cli_domain = user_input("Please provide the domain name of your IPA server (ex: example.com)", allow_empty = False)
|
|
logging.debug("will use domain: %s\n", cli_domain)
|
|
if options.on_master:
|
|
ret = ds.search(domain=cli_domain, server=options.server)
|
|
else:
|
|
ret = ds.search(domain=cli_domain)
|
|
if not cli_domain:
|
|
if ds.getDomainName():
|
|
cli_domain = ds.getDomainName()
|
|
logging.debug("will use domain: %s\n", cli_domain)
|
|
|
|
if ret == -2 or not ds.getServerName():
|
|
logging.debug("IPA Server not found")
|
|
if options.server:
|
|
cli_server = options.server
|
|
elif options.unattended:
|
|
print >>sys.stderr, "Unable to find IPA Server to join"
|
|
return ret
|
|
else:
|
|
print "DNS discovery failed to find the IPA Server"
|
|
cli_server = user_input("Please provide your IPA server name (ex: ipa.example.com)", allow_empty = False)
|
|
logging.debug("will use server: %s\n", cli_server)
|
|
ret = ds.search(domain=cli_domain, server=cli_server)
|
|
else:
|
|
dnsok = True
|
|
if not cli_server:
|
|
if ds.getServerName():
|
|
cli_server = ds.getServerName()
|
|
logging.debug("will use server: %s\n", cli_server)
|
|
|
|
if ret != 0:
|
|
print >>sys.stderr, "Failed to verify that "+cli_server+" is an IPA Server."
|
|
print >>sys.stderr, "This may mean that the remote server is not up or is not reachable"
|
|
print >>sys.stderr, "due to network or firewall settings."
|
|
return ret
|
|
|
|
if dnsok:
|
|
print "Discovery was successful!"
|
|
elif not options.unattended:
|
|
print "\nThe failure to use DNS to find your IPA server indicates that your"
|
|
print "resolv.conf file is not properly configured.\n"
|
|
print "Autodiscovery of servers for failover cannot work with this configuration.\n"
|
|
print "If you proceed with the installation, services will be configured to always"
|
|
print "access the discovered server for all operation and will not fail over to"
|
|
print "other servers in case of failure.\n"
|
|
if not user_input("Proceed with fixed values and no DNS discovery?", False):
|
|
return ret
|
|
|
|
if options.realm_name and options.realm_name != ds.getRealmName():
|
|
if not options.unattended:
|
|
print >>sys.stderr, "ERROR: The provided realm name: ["+options.realm_name+"] does not match with the discovered one: ["+ds.getRealmName()+"]\n"
|
|
return -3
|
|
|
|
cli_realm = ds.getRealmName()
|
|
logging.debug("will use cli_realm: %s\n", cli_realm)
|
|
cli_basedn = ds.getBaseDN()
|
|
logging.debug("will use cli_basedn: %s\n", cli_basedn)
|
|
subject_base = "O=%s" % ds.getRealmName()
|
|
|
|
print "Realm: "+cli_realm
|
|
print "DNS Domain: "+cli_domain
|
|
print "IPA Server: "+cli_server
|
|
print "BaseDN: "+cli_basedn
|
|
|
|
print "\n"
|
|
if not options.unattended and not user_input("Continue to configure the system with these values?", False):
|
|
return 1
|
|
|
|
if not options.unattended:
|
|
if options.principal is None and options.password is None and options.prompt_password is False:
|
|
options.principal = user_input("Enrollment principal", allow_empty=False)
|
|
logging.debug("will use principal: %s\n", options.principal)
|
|
|
|
# Get the CA certificate
|
|
try:
|
|
# Remove anything already there so that wget doesn't use its
|
|
# too-clever renaming feature
|
|
os.remove("/etc/ipa/ca.crt")
|
|
except:
|
|
pass
|
|
|
|
try:
|
|
run(["/usr/bin/wget", "-O", "/etc/ipa/ca.crt", "http://%s/ipa/config/ca.crt" % cli_server])
|
|
except CalledProcessError, e:
|
|
sys.exit('Retrieving CA from %s failed.\n%s' % (cli_server, str(e)))
|
|
|
|
if not options.on_master:
|
|
# First test out the kerberos configuration
|
|
try:
|
|
(krb_fd, krb_name) = tempfile.mkstemp()
|
|
os.close(krb_fd)
|
|
if configure_krb5_conf(fstore, cli_basedn, cli_realm, cli_domain, cli_server, dnsok, options, krb_name):
|
|
sys.exit("Test kerberos configuration failed")
|
|
env['KRB5_CONFIG'] = krb_name
|
|
join_args = ["/usr/sbin/ipa-join", "-s", cli_server]
|
|
if options.debug:
|
|
join_args.append("-d")
|
|
if options.hostname:
|
|
join_args.append("-h")
|
|
join_args.append(options.hostname)
|
|
if options.principal is not None:
|
|
stdin = None
|
|
principal = options.principal
|
|
if principal.find('@') == -1:
|
|
principal = '%s@%s' % (principal, cli_realm)
|
|
if options.password is not None:
|
|
stdin = options.password
|
|
else:
|
|
if not options.unattended:
|
|
print "Password for %s: " % principal,
|
|
sys.stdout.flush()
|
|
else:
|
|
if sys.stdin.isatty():
|
|
sys.exit("Password must be provided in non-interactive mode.\nThis can be done via echo password | ipa-client-install ... or\nwith the -w option.")
|
|
else:
|
|
stdin = sys.stdin.readline()
|
|
|
|
(stderr, stdout, returncode) = run(["kinit", principal], raiseonerr=False, stdin=stdin, env=env)
|
|
print ""
|
|
if returncode != 0:
|
|
sys.exit(stdout)
|
|
elif options.password:
|
|
join_args.append("-w")
|
|
join_args.append(options.password)
|
|
elif options.prompt_password:
|
|
if options.unattended:
|
|
sys.exit("Password must be provided in non-interactive mode")
|
|
password = getpass.getpass("Password: ")
|
|
join_args.append("-w")
|
|
join_args.append(password)
|
|
|
|
# Now join the domain
|
|
(stdout, stderr, returncode) = run(join_args, raiseonerr=False, env=env)
|
|
|
|
if returncode != 0:
|
|
print >>sys.stderr, "Joining realm failed: %s" % stderr,
|
|
if not options.force:
|
|
return 1
|
|
print " Use ipa-getkeytab to obtain a host principal for this server."
|
|
else:
|
|
print "Enrolled in IPA realm %s" % cli_realm
|
|
|
|
start = stderr.find('Certificate subject base is: ')
|
|
if start >= 0:
|
|
start = start + 29
|
|
subject_base = stderr[start:]
|
|
subject_base = subject_base.strip()
|
|
|
|
finally:
|
|
if options.principal is not None:
|
|
(stderr, stdout, returncode) = run(["kdestroy"], raiseonerr=False, env=env)
|
|
os.remove(krb_name)
|
|
os.remove(krb_name + ".ipabkp")
|
|
|
|
# Configure ipa.conf
|
|
if not options.on_master:
|
|
configure_ipa_conf(fstore, cli_basedn, cli_realm, cli_domain, cli_server)
|
|
print "Created /etc/ipa/default.conf"
|
|
|
|
if options.sssd:
|
|
if configure_sssd_conf(fstore, cli_domain, cli_server, options):
|
|
return 1
|
|
print "Configured /etc/sssd/sssd.conf"
|
|
else:
|
|
if configure_ldap_conf(fstore, cli_basedn, cli_realm, cli_domain, cli_server, dnsok, options):
|
|
return 1
|
|
if configure_nslcd_conf(fstore, cli_basedn, cli_realm, cli_domain, cli_server, dnsok, options):
|
|
return 1
|
|
print "Configured LDAP"
|
|
|
|
# Add the CA to the default NSS database and trust it
|
|
run(["/usr/bin/certutil", "-A", "-d", "/etc/pki/nssdb", "-n", "IPA CA", "-t", "CT,C,C", "-a", "-i", "/etc/ipa/ca.crt"])
|
|
|
|
|
|
# If on master assume kerberos is already configured properly.
|
|
if not options.on_master:
|
|
# Configure krb5.conf
|
|
fstore.backup_file("/etc/krb5.conf")
|
|
if configure_krb5_conf(fstore, cli_basedn, cli_realm, cli_domain, cli_server, dnsok, options, "/etc/krb5.conf"):
|
|
return 1
|
|
|
|
print "Configured /etc/krb5.conf for IPA realm " + cli_realm
|
|
|
|
configure_certmonger(fstore, subject_base, cli_realm, options)
|
|
|
|
if options.sssd:
|
|
nscd_action = "stop"
|
|
nscd_status = "off"
|
|
else:
|
|
nscd_action = "restart"
|
|
nscd_status = "on"
|
|
|
|
#Name Server Caching Daemon. Disable for SSSD, use otherwise
|
|
try:
|
|
service('nscd', nscd_action)
|
|
except:
|
|
print >>sys.stderr, "Failed to %s the NSCD daemon" % nscd_action
|
|
if not options.sssd:
|
|
print >>sys.stderr, "Caching of users/groups will not be available"
|
|
|
|
try:
|
|
chkconfig('nscd', nscd_status)
|
|
except:
|
|
print >>sys.stderr, "Failed to configure automatic startup of the NSCD daemon"
|
|
if not options.sssd:
|
|
print >>sys.stderr, "Caching of users/groups will not be available after reboot"
|
|
|
|
# Modify nsswitch/pam stack
|
|
if options.sssd:
|
|
cmd = ["/usr/sbin/authconfig", "--enablesssd", "--enablesssdauth", "--update"]
|
|
message = "SSSD enabled"
|
|
else:
|
|
cmd = ["/usr/sbin/authconfig", "--enableldap", "--update"]
|
|
message = "LDAP enabled"
|
|
|
|
if options.mkhomedir:
|
|
cmd.append("--enablemkhomedir")
|
|
run(cmd)
|
|
print message
|
|
|
|
#Check that nss is working properly
|
|
if not options.on_master:
|
|
n = 0
|
|
found = False
|
|
# Loop for up to 5 seconds to see if nss is working properly.
|
|
# It can sometimes take a few seconds to connect to the remote
|
|
# provider.
|
|
while n < 5 and not found:
|
|
try:
|
|
run(["getent", "passwd", "admin"])
|
|
found = True
|
|
except Exception, e:
|
|
time.sleep(1)
|
|
n = n + 1
|
|
|
|
if not found:
|
|
print "nss_ldap is not able to use DNS discovery!"
|
|
print "Changing configuration to use hardcoded server name: " +cli_server
|
|
|
|
try:
|
|
hardcode_ldap_server(cli_server)
|
|
except Exception, e:
|
|
sys.exit("Adding hardcoded server name to /etc/ldap.conf failed: " + str(e))
|
|
|
|
#Modify pam to add pam_krb5
|
|
run(["/usr/sbin/authconfig", "--enablekrb5", "--update", "--nostart"])
|
|
print "Kerberos 5 enabled"
|
|
|
|
if options.conf_ntp and not options.on_master:
|
|
if options.ntp_server:
|
|
ntp_server = options.ntp_server
|
|
else:
|
|
ntp_server = cli_server
|
|
ipaclient.ntpconf.config_ntp(ntp_server, fstore)
|
|
print "NTP enabled"
|
|
|
|
print "Client configuration complete."
|
|
|
|
return 0
|
|
|
|
try:
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|
|
except SystemExit, e:
|
|
sys.exit(e)
|
|
except KeyboardInterrupt:
|
|
sys.exit(1)
|