mirror of
https://salsa.debian.org/freeipa-team/freeipa.git
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fbda06269d
BIND starting before we apply LDAP updates and restart kdc and directory server causes trouble. We resolve this for now by postponing BIND setup to the end of installation. Another reason is that we will be using xml-rpc during the setup in the future.
389 lines
13 KiB
Python
Executable File
389 lines
13 KiB
Python
Executable File
#! /usr/bin/python -E
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# Authors: 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
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; version 2 only
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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, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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import sys
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import socket
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import tempfile, os, pwd, traceback, logging, shutil
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from ConfigParser import SafeConfigParser
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import ldap
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from ipapython import ipautil
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from ipaserver.install import dsinstance, replication, installutils, krbinstance, service
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from ipaserver.install import bindinstance, httpinstance, ntpinstance, certs
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from ipaserver import ipaldap
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from ipapython import version
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from ipalib import util
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CACERT="/usr/share/ipa/html/ca.crt"
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class HostnameLocalhost(Exception):
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pass
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class ReplicaConfig:
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def __init__(self):
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self.realm_name = ""
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self.domain_name = ""
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self.master_host_name = ""
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self.dirman_password = ""
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self.ds_user = ""
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self.host_name = ""
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self.repl_password = ""
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self.dir = ""
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def parse_options():
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from optparse import OptionParser
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parser = OptionParser(version=version.VERSION)
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parser.add_option("-N", "--no-ntp", dest="conf_ntp", action="store_false",
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help="do not configure ntp", default=True)
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parser.add_option("-d", "--debug", dest="debug", action="store_true",
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default=False, help="gather extra debugging information")
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parser.add_option("-p", "--password", dest="password",
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help="Directory Manager (existing master) password")
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parser.add_option("--setup-dns", dest="setup_dns", action="store_true",
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default=False, help="configure bind with our zone")
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options, args = parser.parse_args()
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if len(args) != 1:
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parser.error("you must provide a file generated by ipa-replica-prepare")
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return options, args[0]
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def get_dirman_password():
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return installutils.read_password("Directory Manager (existing master)", confirm=False, validate=False)
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def expand_info(filename, password):
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top_dir = tempfile.mkdtemp("ipa")
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tarfile = top_dir+"/files.tar"
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dir = top_dir + "/realm_info"
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ipautil.decrypt_file(filename, tarfile, password, top_dir)
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ipautil.run(["tar", "xf", tarfile, "-C", top_dir])
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os.remove(tarfile)
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return top_dir, dir
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def read_info(dir, rconfig):
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filename = dir + "/realm_info"
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fd = open(filename)
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config = SafeConfigParser()
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config.readfp(fd)
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rconfig.realm_name = config.get("realm", "realm_name")
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rconfig.master_host_name = config.get("realm", "master_host_name")
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rconfig.ds_user = config.get("realm", "ds_user")
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rconfig.domain_name = config.get("realm", "domain_name")
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rconfig.host_name = config.get("realm", "destination_host")
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def get_host_name():
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hostname = installutils.get_fqdn()
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try:
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installutils.verify_fqdn(hostname)
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except RuntimeError, e:
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logging.error(str(e))
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sys.exit(1)
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return hostname
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def resolve_host(host_name):
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ip = socket.gethostbyname(host_name)
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if ip == "127.0.0.1" or ip == "::1":
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raise HostnameLocalhost
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return ip
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def set_owner(config, dir):
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pw = pwd.getpwnam(config.ds_user)
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os.chown(dir, pw.pw_uid, pw.pw_gid)
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def install_ca(config):
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cafile = config.dir + "/ca.p12"
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if not ipautil.file_exists(cafile):
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return None
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try:
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from ipaserver.install import cainstance
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except ImportError:
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print >> sys.stderr, "Import failed: %s" % sys.exc_value
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sys.exit(1)
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cs = cainstance.CADSInstance()
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cs.create_instance(config.ds_user, config.realm_name, config.host_name, config.domain_name, config.dirman_password)
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ca = cainstance.CAInstance()
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ca.configure_instance("pkiuser", config.host_name, config.dirman_password, config.dirman_password, pkcs12_info=(cafile,), master_host=config.master_host_name)
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return ca
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def install_ds(config):
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dsinstance.check_existing_installation()
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dsinstance.check_ports()
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# if we have a pkcs12 file, create the cert db from
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# that. Otherwise the ds setup will create the CA
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# cert
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pkcs12_info = None
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if ipautil.file_exists(config.dir + "/dscert.p12"):
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pkcs12_info = (config.dir + "/dscert.p12",
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config.dir + "/dirsrv_pin.txt")
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ds = dsinstance.DsInstance()
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ds.create_instance(config.ds_user, config.realm_name, config.host_name, config.domain_name, config.dirman_password, pkcs12_info)
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return ds
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def install_krb(config):
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krb = krbinstance.KrbInstance()
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ldappwd_filename = config.dir + "/ldappwd"
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kpasswd_filename = config.dir + "/kpasswd.keytab"
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krb.create_replica(config.ds_user, config.realm_name, config.host_name,
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config.domain_name, config.dirman_password,
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ldappwd_filename, kpasswd_filename)
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def install_ca_cert(config):
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if ipautil.file_exists(config.dir + "/ca.crt"):
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try:
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shutil.copy(config.dir + "/ca.crt", CACERT)
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os.chmod(CACERT, 0444)
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except Exception, e:
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print "error copying files: " + str(e)
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sys.exit(1)
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def install_http(config):
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# if we have a pkcs12 file, create the cert db from
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# that. Otherwise the ds setup will create the CA
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# cert
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pkcs12_info = None
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if ipautil.file_exists(config.dir + "/httpcert.p12"):
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pkcs12_info = (config.dir + "/httpcert.p12",
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config.dir + "/http_pin.txt")
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http = httpinstance.HTTPInstance()
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http.create_instance(config.realm_name, config.host_name, config.domain_name, False, pkcs12_info, self_signed_ca=True)
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# Now copy the autoconfiguration files
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if ipautil.file_exists(config.dir + "/preferences.html"):
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try:
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shutil.copy(config.dir + "/preferences.html", "/usr/share/ipa/html/preferences.html")
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shutil.copy(config.dir + "/configure.jar", "/usr/share/ipa/html/configure.jar")
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except Exception, e:
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print "error copying files: " + str(e)
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sys.exit(1)
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def install_bind(config):
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bind = bindinstance.BindInstance(dm_password=config.dirman_password)
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ip_address = resolve_host(config.host_name)
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bind.setup(config.host_name, ip_address, config.realm_name, config.domain_name)
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bind.create_instance()
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def check_dirsrv():
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serverids = dsinstance.check_existing_installation()
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if serverids:
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print ""
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print "An existing Directory Server has been detected."
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if not ipautil.user_input("Do you wish to remove it and create a new one?", False):
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print ""
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print "Only a single Directory Server instance is allowed on an IPA"
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print "server, the one used by IPA itself."
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sys.exit(1)
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try:
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service.stop("dirsrv")
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except:
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pass
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for serverid in serverids:
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dsinstance.erase_ds_instance_data(serverid)
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(ds_unsecure, ds_secure) = dsinstance.check_ports()
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if not ds_unsecure or not ds_secure:
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print "IPA requires ports 389 and 636 for the Directory Server."
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print "These are currently in use:"
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if not ds_unsecure:
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print "\t389"
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if not ds_secure:
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print "\t636"
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sys.exit(1)
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def check_bind():
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if not bindinstance.check_inst():
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print "--setup-dns was specified but bind or the BIND LDAP plug-in"
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print "is not installed on the system"
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print "Please install bind and the LDAP plug-in and restart the setup program"
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sys.exit(1)
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def main():
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options, filename = parse_options()
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installutils.standard_logging_setup("/var/log/ipareplica-install.log", options.debug)
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if not ipautil.file_exists(filename):
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sys.exit("Replica file %s does not exist" % filename)
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if options.setup_dns:
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check_bind()
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check_dirsrv()
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# get the directory manager password
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dirman_password = options.password
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if not dirman_password:
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try:
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dirman_password = get_dirman_password()
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except KeyboardInterrupt:
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sys.exit(0)
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try:
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top_dir, dir = expand_info(filename, dirman_password)
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except Exception, e:
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print "ERROR: Failed to decrypt or open the replica file."
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print "Verify you entered the correct Directory Manager password."
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sys.exit(1)
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config = ReplicaConfig()
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read_info(dir, config)
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config.dirman_password = dirman_password
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host = get_host_name()
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if config.host_name != host:
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try:
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print "This replica was created for '%s' but this machine is named '%s'" % (config.host_name, host)
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if not ipautil.user_input("This may cause problems. Continue?", True):
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sys.exit(0)
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config.host_name = host
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print ""
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except KeyboardInterrupt:
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sys.exit(0)
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config.repl_password = ipautil.ipa_generate_password()
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config.dir = dir
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# Try out the password
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try:
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conn = ipaldap.IPAdmin(config.master_host_name)
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conn.do_simple_bind(bindpw=config.dirman_password)
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conn.unbind()
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except ldap.CONNECT_ERROR, e:
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sys.exit("\nUnable to connect to LDAP server %s" % config.master_host_name)
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except ldap.SERVER_DOWN, e:
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sys.exit("\nUnable to connect to LDAP server %s" % config.master_host_name)
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except ldap.INVALID_CREDENTIALS, e :
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sys.exit("\nThe password provided is incorrect for LDAP server %s" % config.master_host_name)
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# Install CA cert so that we can do SSL connections with ldap
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install_ca_cert(config)
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# Configure ntpd
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if options.conf_ntp:
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ntp = ntpinstance.NTPInstance()
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ntp.create_instance()
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# Configure the CA if necessary
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CA = install_ca(config)
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# Configure dirsrv
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ds = install_ds(config)
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try:
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repl = replication.ReplicationManager(config.host_name, config.dirman_password)
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ret = repl.setup_replication(config.master_host_name, config.realm_name)
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except Exception, e:
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logging.debug("Connection error: %s" % e)
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raise RuntimeError("Unable to connect to LDAP server %s." % config.host_name)
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if ret != 0:
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raise RuntimeError("Failed to start replication")
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install_krb(config)
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install_http(config)
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if CA:
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CA.import_ra_cert(dir + "/ra.p12")
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CA.fix_ra_perms()
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service.restart("httpd")
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# Create the config file
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fd = open("/etc/ipa/ipa.conf", "w")
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fd.write("[defaults]\n")
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fd.write("server=" + config.host_name + "\n")
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fd.write("realm=" + config.realm_name + "\n")
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fd.write("domain=" + config.domain_name + "\n")
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fd.close()
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# Create the management framework config file
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fd = open("/etc/ipa/default.conf", "w")
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fd.write("[global]\n")
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fd.write("basedn=" + util.realm_to_suffix(config.realm_name) + "\n")
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fd.write("realm=" + config.realm_name + "\n")
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fd.write("domain=" + config.domain_name + "\n")
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fd.write("xmlrpc_uri=https://%s/ipa/xml\n" % config.host_name)
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fd.write("ldap_uri=ldapi://%%2fvar%%2frun%%2fslapd-%s.socket\n" % dsinstance.realm_to_serverid(realm_name))
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if ipautil.file_exists(config.dir + "/ca.p12"):
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fd.write("enable_ra=True\n")
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fd.close()
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# Apply any LDAP updates. Needs to be done after the replica is synced-up
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service.print_msg("Applying LDAP updates")
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ds.apply_updates()
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service.restart("dirsrv")
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service.restart("krb5kdc")
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if options.setup_dns:
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install_bind(config, options)
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# Call client install script
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try:
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ipautil.run(["/usr/sbin/ipa-client-install", "--on-master", "--unattended", "--domain", config.domain_name, "--server", config.host_name, "--realm", config.realm_name])
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except Exception, e:
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print "Configuration of client side components failed!"
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print "ipa-client-install returned: " + str(e)
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raise RuntimeError("Failed to configure the client")
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ds.init_memberof()
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try:
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if not os.geteuid()==0:
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sys.exit("\nYou must be root to run this script.\n")
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main()
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sys.exit(0)
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except SystemExit, e:
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sys.exit(e)
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except socket.error, (errno, errstr):
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print errstr
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except HostnameLocalhost:
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print "The hostname resolves to the localhost address (127.0.0.1/::1)"
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print "Please change your /etc/hosts file so that the hostname"
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print "resolves to the ip address of your network interface."
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print ""
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print "Please fix your /etc/hosts file and restart the setup program"
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except Exception, e:
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print "creation of replica failed: %s" % str(e)
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message = str(e)
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for str in traceback.format_tb(sys.exc_info()[2]):
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message = message + "\n" + str
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logging.debug(message)
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except KeyboardInterrupt:
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print "Installation cancelled."
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print ""
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print "Your system may be partly configured."
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print "Run /usr/sbin/ipa-server-install --uninstall to clean up."
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# the only way to get here is on error or ^C
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sys.exit(1)
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