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freeipa/ipaserver/install/server/install.py
Christian Heimes 73ee9ff40e LGTM: Fix multiple use before assignment 
- Move assignment before try/finally block
- Add raise to indicate control flow change
- Add default value

https://pagure.io/freeipa/issue/7344

Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Fraser Tweedale <ftweedal@redhat.com>
2018-01-09 07:53:28 +01:00

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Python
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#
# Copyright (C) 2015 FreeIPA Contributors see COPYING for license
#
from __future__ import print_function
import errno
import logging
import os
import pickle
import shutil
import sys
import tempfile
import textwrap
import six
from ipaclient.install.ipachangeconf import IPAChangeConf
from ipalib.install import certmonger, sysrestore
from ipapython import ipautil
from ipapython.ipautil import (
ipa_generate_password, run, user_input)
from ipapython.admintool import ScriptError
from ipaplatform import services
from ipaplatform.paths import paths
from ipaplatform.tasks import tasks
from ipalib import api, errors, x509
from ipalib.constants import DOMAIN_LEVEL_0
from ipalib.util import (
validate_domain_name,
no_matching_interface_for_ip_address_warning,
)
import ipaclient.install.ntpconf
from ipaserver.install import (
adtrust, bindinstance, ca, dns, dsinstance,
httpinstance, installutils, kra, krbinstance,
ntpinstance, otpdinstance, custodiainstance, replication, service,
sysupgrade)
from ipaserver.install.installutils import (
IPA_MODULES, BadHostError, get_fqdn, get_server_ip_address,
is_ipa_configured, load_pkcs12, read_password, verify_fqdn,
update_hosts_file)
if six.PY3:
unicode = str
try:
from ipaserver.install import adtrustinstance
_server_trust_ad_installed = True
except ImportError:
_server_trust_ad_installed = False
NoneType = type(None)
logger = logging.getLogger(__name__)
SYSRESTORE_DIR_PATH = paths.SYSRESTORE
def validate_dm_password(password):
if len(password) < 8:
raise ValueError("Password must be at least 8 characters long")
if any(ord(c) < 0x20 for c in password):
raise ValueError("Password must not contain control characters")
if any(ord(c) >= 0x7F for c in password):
raise ValueError("Password must only contain ASCII characters")
# Disallow characters that pkisilent doesn't process properly:
bad_characters = '\\'
if any(c in bad_characters for c in password):
raise ValueError('Password must not contain these characters: %s' %
', '.join('"%s"' % c for c in bad_characters))
# TODO: Check https://fedorahosted.org/389/ticket/47849
# Actual behavior of setup-ds.pl is that it does not accept white
# space characters in password when called interactively but does when
# provided such password in INF file. But it ignores leading and trailing
# white spaces in INF file.
# Disallow leading/trailing whaitespaces
if password.strip() != password:
raise ValueError('Password must not start or end with whitespace.')
def validate_admin_password(password):
if len(password) < 8:
raise ValueError("Password must be at least 8 characters long")
if any(ord(c) < 0x20 for c in password):
raise ValueError("Password must not contain control characters")
if any(ord(c) >= 0x7F for c in password):
raise ValueError("Password must only contain ASCII characters")
# Disallow characters that pkisilent doesn't process properly:
bad_characters = '\\'
if any(c in bad_characters for c in password):
raise ValueError('Password must not contain these characters: %s' %
', '.join('"%s"' % c for c in bad_characters))
def read_cache(dm_password):
"""
Returns a dict of cached answers or empty dict if no cache file exists.
"""
if not os.path.isfile(paths.ROOT_IPA_CACHE):
return {}
top_dir = tempfile.mkdtemp("ipa")
fname = "%s/cache" % top_dir
try:
installutils.decrypt_file(paths.ROOT_IPA_CACHE,
fname,
dm_password,
top_dir)
except Exception as e:
shutil.rmtree(top_dir)
raise Exception("Decryption of answer cache in %s failed, please "
"check your password." % paths.ROOT_IPA_CACHE)
try:
with open(fname, 'rb') as f:
try:
optdict = pickle.load(f)
except Exception as e:
raise Exception("Parse error in %s: %s" %
(paths.ROOT_IPA_CACHE, str(e)))
except IOError as e:
raise Exception("Read error in %s: %s" %
(paths.ROOT_IPA_CACHE, str(e)))
finally:
shutil.rmtree(top_dir)
# These are the only ones that may be overridden
try:
del optdict['external_cert_files']
except KeyError:
pass
return optdict
def write_cache(options):
"""
Takes a dict as input and writes a cached file of answers
"""
top_dir = tempfile.mkdtemp("ipa")
fname = "%s/cache" % top_dir
try:
with open(fname, 'wb') as f:
pickle.dump(options, f)
installutils.encrypt_file(fname,
paths.ROOT_IPA_CACHE,
options['dm_password'],
top_dir)
except IOError as e:
raise Exception("Unable to cache command-line options %s" % str(e))
finally:
shutil.rmtree(top_dir)
def read_host_name(host_default, no_host_dns=False):
print("Enter the fully qualified domain name of the computer")
print("on which you're setting up server software. Using the form")
print("<hostname>.<domainname>")
print("Example: master.example.com.")
print("")
print("")
if host_default == "":
host_default = "master.example.com"
host_name = user_input("Server host name", host_default, allow_empty=False)
print("")
verify_fqdn(host_name, no_host_dns)
return host_name
def read_domain_name(domain_name, unattended):
print("The domain name has been determined based on the host name.")
print("")
if not unattended:
domain_name = str(user_input("Please confirm the domain name",
domain_name))
print("")
return domain_name
def read_realm_name(domain_name, unattended):
print("The kerberos protocol requires a Realm name to be defined.")
print("This is typically the domain name converted to uppercase.")
print("")
if unattended:
return domain_name.upper()
realm_name = str(user_input("Please provide a realm name",
domain_name.upper()))
upper_dom = realm_name.upper()
if upper_dom != realm_name:
print("An upper-case realm name is required.")
if not user_input("Do you want to use " + upper_dom +
" as realm name?", True):
raise ScriptError(
"An upper-case realm name is required. Unable to continue.")
else:
realm_name = upper_dom
print("")
return realm_name
def read_dm_password():
print("Certain directory server operations require an administrative user.")
print("This user is referred to as the Directory Manager and has full "
"access")
print("to the Directory for system management tasks and will be added to "
"the")
print("instance of directory server created for IPA.")
print("The password must be at least 8 characters long.")
print("")
# TODO: provide the option of generating a random password
dm_password = read_password("Directory Manager",
validator=validate_dm_password)
return dm_password
def read_admin_password():
print("The IPA server requires an administrative user, named 'admin'.")
print("This user is a regular system account used for IPA server "
"administration.")
print("")
# TODO: provide the option of generating a random password
admin_password = read_password("IPA admin",
validator=validate_admin_password)
return admin_password
def check_dirsrv(unattended):
(ds_unsecure, ds_secure) = dsinstance.check_ports()
if not ds_unsecure or not ds_secure:
msg = ("IPA requires ports 389 and 636 for the Directory Server.\n"
"These are currently in use:\n")
if not ds_unsecure:
msg += "\t389\n"
if not ds_secure:
msg += "\t636\n"
raise ScriptError(msg)
def common_cleanup(func):
def decorated(installer):
success = False
try:
func(installer)
success = True
except KeyboardInterrupt:
ds = installer._ds
print("\nCleaning up...")
if ds:
print("Removing configuration for %s instance" % ds.serverid)
ds.stop()
if ds.serverid:
try:
dsinstance.remove_ds_instance(ds.serverid)
except ipautil.CalledProcessError:
logger.error("Failed to remove DS instance. You "
"may need to remove instance data "
"manually")
raise ScriptError()
finally:
if not success and installer._installation_cleanup:
# Do a cautious clean up as we don't know what failed and
# what is the state of the environment
try:
installer._fstore.restore_file(paths.HOSTS)
except Exception:
pass
return decorated
def remove_master_from_managed_topology(api_instance, options):
try:
# we may force the removal
server_del_options = dict(
force=True,
ignore_topology_disconnect=options.ignore_topology_disconnect,
ignore_last_of_role=options.ignore_last_of_role
)
replication.run_server_del_as_cli(
api_instance, api_instance.env.host, **server_del_options)
except errors.ServerRemovalError as e:
raise ScriptError(str(e))
except Exception as e:
# if the master was already deleted we will just get a warning
logger.warning("Failed to delete master: %s", e)
@common_cleanup
def install_check(installer):
options = installer
dirsrv_pkcs12_file = installer._dirsrv_pkcs12_file
http_pkcs12_file = installer._http_pkcs12_file
pkinit_pkcs12_file = installer._pkinit_pkcs12_file
dirsrv_pkcs12_info = installer._dirsrv_pkcs12_info
http_pkcs12_info = installer._http_pkcs12_info
pkinit_pkcs12_info = installer._pkinit_pkcs12_info
external_cert_file = installer._external_cert_file
external_ca_file = installer._external_ca_file
http_ca_cert = installer._ca_cert
dirsrv_ca_cert = None
pkinit_ca_cert = None
tasks.check_ipv6_stack_enabled()
tasks.check_selinux_status()
if options.master_password:
msg = ("WARNING:\noption '-P/--master-password' is deprecated. "
"KDC master password of sufficient strength is autogenerated "
"during IPA server installation and should not be set "
"manually.")
print(textwrap.fill(msg, width=79, replace_whitespace=False))
installer._installation_cleanup = True
print("\nThe log file for this installation can be found in "
"/var/log/ipaserver-install.log")
if (not options.external_ca and not options.external_cert_files and
is_ipa_configured()):
installer._installation_cleanup = False
raise ScriptError(
"IPA server is already configured on this system.\n"
"If you want to reinstall the IPA server, please uninstall "
"it first using 'ipa-server-install --uninstall'.")
client_fstore = sysrestore.FileStore(paths.IPA_CLIENT_SYSRESTORE)
if client_fstore.has_files():
installer._installation_cleanup = False
raise ScriptError(
"IPA client is already configured on this system.\n"
"Please uninstall it before configuring the IPA server, "
"using 'ipa-client-install --uninstall'")
fstore = sysrestore.FileStore(SYSRESTORE_DIR_PATH)
sstore = sysrestore.StateFile(SYSRESTORE_DIR_PATH)
# This will override any settings passed in on the cmdline
if os.path.isfile(paths.ROOT_IPA_CACHE):
if options.dm_password is not None:
dm_password = options.dm_password
else:
dm_password = read_password("Directory Manager", confirm=False)
if dm_password is None:
raise ScriptError("Directory Manager password required")
try:
cache_vars = read_cache(dm_password)
options.__dict__.update(cache_vars)
if cache_vars.get('external_ca', False):
options.external_ca = False
options.interactive = False
except Exception as e:
raise ScriptError("Cannot process the cache file: %s" % str(e))
# We only set up the CA if the PKCS#12 options are not given.
if options.dirsrv_cert_files:
setup_ca = False
else:
setup_ca = True
options.setup_ca = setup_ca
if not setup_ca and options.ca_subject:
raise ScriptError(
"--ca-subject cannot be used with CA-less installation")
if not setup_ca and options.subject_base:
raise ScriptError(
"--subject-base cannot be used with CA-less installation")
if not setup_ca and options.setup_kra:
raise ScriptError(
"--setup-kra cannot be used with CA-less installation")
print("======================================="
"=======================================")
print("This program will set up the FreeIPA Server.")
print("")
print("This includes:")
if setup_ca:
print(" * Configure a stand-alone CA (dogtag) for certificate "
"management")
if not options.no_ntp:
print(" * Configure the Network Time Daemon (ntpd)")
print(" * Create and configure an instance of Directory Server")
print(" * Create and configure a Kerberos Key Distribution Center (KDC)")
print(" * Configure Apache (httpd)")
if options.setup_kra:
print(" * Configure KRA (dogtag) for secret management")
if options.setup_dns:
print(" * Configure DNS (bind)")
if options.setup_adtrust:
print(" * Configure Samba (smb) and winbind for managing AD trusts")
if not options.no_pkinit:
print(" * Configure the KDC to enable PKINIT")
if options.no_ntp:
print("")
print("Excluded by options:")
print(" * Configure the Network Time Daemon (ntpd)")
if installer.interactive:
print("")
print("To accept the default shown in brackets, press the Enter key.")
print("")
if not options.external_cert_files:
# Make sure the 389-ds ports are available
check_dirsrv(not installer.interactive)
if not options.no_ntp:
try:
ipaclient.install.ntpconf.check_timedate_services()
except ipaclient.install.ntpconf.NTPConflictingService as e:
print(("WARNING: conflicting time&date synchronization service '%s'"
" will be disabled" % e.conflicting_service))
print("in favor of ntpd")
print("")
except ipaclient.install.ntpconf.NTPConfigurationError:
pass
# Check to see if httpd is already configured to listen on 443
if httpinstance.httpd_443_configured():
raise ScriptError("Aborting installation")
if not options.setup_dns and installer.interactive:
if ipautil.user_input("Do you want to configure integrated DNS "
"(BIND)?", False):
options.setup_dns = True
print("")
# check bind packages are installed
if options.setup_dns:
# Don't require an external DNS to say who we are if we are
# setting up a local DNS server.
options.no_host_dns = True
# check the hostname is correctly configured, it must be as the kldap
# utilities just use the hostname as returned by getaddrinfo to set
# up some of the standard entries
if options.host_name:
host_default = options.host_name
else:
host_default = get_fqdn()
try:
if not installer.interactive or options.host_name:
verify_fqdn(host_default, options.no_host_dns)
host_name = host_default
else:
host_name = read_host_name(host_default, options.no_host_dns)
except BadHostError as e:
raise ScriptError(e)
host_name = host_name.lower()
logger.debug("will use host_name: %s\n", host_name)
if not options.domain_name:
domain_name = read_domain_name(host_name[host_name.find(".")+1:],
not installer.interactive)
logger.debug("read domain_name: %s\n", domain_name)
try:
validate_domain_name(domain_name)
except ValueError as e:
raise ScriptError("Invalid domain name: %s" % unicode(e))
else:
domain_name = options.domain_name
domain_name = domain_name.lower()
if not options.realm_name:
realm_name = read_realm_name(domain_name, not installer.interactive)
logger.debug("read realm_name: %s\n", realm_name)
try:
validate_domain_name(realm_name, entity="realm")
except ValueError as e:
raise ScriptError("Invalid realm name: {}".format(unicode(e)))
else:
realm_name = options.realm_name.upper()
if not options.subject_base:
options.subject_base = installutils.default_subject_base(realm_name)
if not options.ca_subject:
options.ca_subject = \
installutils.default_ca_subject_dn(options.subject_base)
if options.http_cert_files:
if options.http_pin is None:
options.http_pin = installutils.read_password(
"Enter Apache Server private key unlock",
confirm=False, validate=False, retry=False)
if options.http_pin is None:
raise ScriptError(
"Apache Server private key unlock password required")
http_pkcs12_file, http_pin, http_ca_cert = load_pkcs12(
cert_files=options.http_cert_files,
key_password=options.http_pin,
key_nickname=options.http_cert_name,
ca_cert_files=options.ca_cert_files,
host_name=host_name)
http_pkcs12_info = (http_pkcs12_file.name, http_pin)
if options.dirsrv_cert_files:
if options.dirsrv_pin is None:
options.dirsrv_pin = read_password(
"Enter Directory Server private key unlock",
confirm=False, validate=False, retry=False)
if options.dirsrv_pin is None:
raise ScriptError(
"Directory Server private key unlock password required")
dirsrv_pkcs12_file, dirsrv_pin, dirsrv_ca_cert = load_pkcs12(
cert_files=options.dirsrv_cert_files,
key_password=options.dirsrv_pin,
key_nickname=options.dirsrv_cert_name,
ca_cert_files=options.ca_cert_files,
host_name=host_name)
dirsrv_pkcs12_info = (dirsrv_pkcs12_file.name, dirsrv_pin)
if options.pkinit_cert_files:
if options.pkinit_pin is None:
options.pkinit_pin = read_password(
"Enter Kerberos KDC private key unlock",
confirm=False, validate=False, retry=False)
if options.pkinit_pin is None:
raise ScriptError(
"Kerberos KDC private key unlock password required")
pkinit_pkcs12_file, pkinit_pin, pkinit_ca_cert = load_pkcs12(
cert_files=options.pkinit_cert_files,
key_password=options.pkinit_pin,
key_nickname=options.pkinit_cert_name,
ca_cert_files=options.ca_cert_files,
realm_name=realm_name)
pkinit_pkcs12_info = (pkinit_pkcs12_file.name, pkinit_pin)
if (options.http_cert_files and options.dirsrv_cert_files and
http_ca_cert != dirsrv_ca_cert):
raise ScriptError(
"Apache Server SSL certificate and Directory Server SSL "
"certificate are not signed by the same CA certificate")
if (options.http_cert_files and
options.pkinit_cert_files and
http_ca_cert != pkinit_ca_cert):
raise ScriptError(
"Apache Server SSL certificate and PKINIT KDC "
"certificate are not signed by the same CA certificate")
if not options.dm_password:
dm_password = read_dm_password()
if dm_password is None:
raise ScriptError("Directory Manager password required")
else:
dm_password = options.dm_password
if not options.master_password:
master_password = ipa_generate_password()
else:
master_password = options.master_password
if not options.admin_password:
admin_password = read_admin_password()
if admin_password is None:
raise ScriptError("IPA admin password required")
else:
admin_password = options.admin_password
# Configuration for ipalib, we will bootstrap and finalize later, after
# we are sure we have the configuration file ready.
cfg = dict(
context='installer',
confdir=paths.ETC_IPA,
in_server=True,
# make sure host name specified by user is used instead of default
host=host_name,
)
if setup_ca:
# we have an IPA-integrated CA
cfg['ca_host'] = host_name
# Create the management framework config file and finalize api
target_fname = paths.IPA_DEFAULT_CONF
ipaconf = IPAChangeConf("IPA Server Install")
ipaconf.setOptionAssignment(" = ")
ipaconf.setSectionNameDelimiters(("[", "]"))
xmlrpc_uri = 'https://{0}/ipa/xml'.format(
ipautil.format_netloc(host_name))
ldapi_uri = 'ldapi://%2fvar%2frun%2fslapd-{0}.socket\n'.format(
installutils.realm_to_serverid(realm_name))
# [global] section
gopts = [
ipaconf.setOption('host', host_name),
ipaconf.setOption('basedn', ipautil.realm_to_suffix(realm_name)),
ipaconf.setOption('realm', realm_name),
ipaconf.setOption('domain', domain_name),
ipaconf.setOption('xmlrpc_uri', xmlrpc_uri),
ipaconf.setOption('ldap_uri', ldapi_uri),
ipaconf.setOption('mode', 'production')
]
if setup_ca:
gopts.extend([
ipaconf.setOption('enable_ra', 'True'),
ipaconf.setOption('ra_plugin', 'dogtag'),
ipaconf.setOption('dogtag_version', '10')
])
else:
gopts.extend([
ipaconf.setOption('enable_ra', 'False'),
ipaconf.setOption('ra_plugin', 'None')
])
opts = [
ipaconf.setSection('global', gopts),
{'name': 'empty', 'type': 'empty'}
]
ipaconf.newConf(target_fname, opts)
# Must be readable for everyone
os.chmod(target_fname, 0o644)
api.bootstrap(**cfg)
api.finalize()
if setup_ca:
ca.install_check(False, None, options)
if options.setup_kra:
kra.install_check(api, None, options)
if options.setup_dns:
dns.install_check(False, api, False, options, host_name)
ip_addresses = dns.ip_addresses
else:
ip_addresses = get_server_ip_address(host_name,
not installer.interactive, False,
options.ip_addresses)
# check addresses here, dns module is doing own check
no_matching_interface_for_ip_address_warning(ip_addresses)
instance_name = "-".join(realm_name.split("."))
dirsrv = services.knownservices.dirsrv
if (options.external_cert_files
and dirsrv.is_installed(instance_name)
and not dirsrv.is_running(instance_name)):
logger.debug('Starting Directory Server')
services.knownservices.dirsrv.start(instance_name)
if options.setup_adtrust:
adtrust.install_check(False, options, api)
# installer needs to update hosts file when DNS subsystem will be
# installed or custom addresses are used
if options.ip_addresses or options.setup_dns:
installer._update_hosts_file = True
print()
print("The IPA Master Server will be configured with:")
print("Hostname: %s" % host_name)
print("IP address(es): %s" % ", ".join(str(ip) for ip in ip_addresses))
print("Domain name: %s" % domain_name)
print("Realm name: %s" % realm_name)
print()
if setup_ca:
ca.print_ca_configuration(options)
print()
if options.setup_dns:
print("BIND DNS server will be configured to serve IPA domain with:")
print("Forwarders: %s" % (
"No forwarders" if not options.forwarders
else ", ".join([str(ip) for ip in options.forwarders])
))
print('Forward policy: %s' % options.forward_policy)
print("Reverse zone(s): %s" % (
"No reverse zone" if options.no_reverse or not dns.reverse_zones
else ", ".join(str(rz) for rz in dns.reverse_zones)
))
print()
if not options.setup_adtrust:
# If domain name and realm does not match, IPA server will not be able
# to establish trust with Active Directory. Print big fat warning.
realm_not_matching_domain = (domain_name.upper() != realm_name)
if realm_not_matching_domain:
print("WARNING: Realm name does not match the domain name.\n"
"You will not be able to establish trusts with Active "
"Directory unless\nthe realm name of the IPA server matches "
"its domain name.\n\n")
if installer.interactive and not user_input(
"Continue to configure the system with these values?", False):
raise ScriptError("Installation aborted")
options.realm_name = realm_name
options.domain_name = domain_name
options.dm_password = dm_password
options.master_password = master_password
options.admin_password = admin_password
options._host_name_overridden = bool(options.host_name)
options.host_name = host_name
options.ip_addresses = ip_addresses
installer._fstore = fstore
installer._sstore = sstore
installer._dirsrv_pkcs12_file = dirsrv_pkcs12_file
installer._http_pkcs12_file = http_pkcs12_file
installer._pkinit_pkcs12_file = pkinit_pkcs12_file
installer._dirsrv_pkcs12_info = dirsrv_pkcs12_info
installer._http_pkcs12_info = http_pkcs12_info
installer._pkinit_pkcs12_info = pkinit_pkcs12_info
installer._external_cert_file = external_cert_file
installer._external_ca_file = external_ca_file
installer._ca_cert = http_ca_cert
@common_cleanup
def install(installer):
options = installer
fstore = installer._fstore
sstore = installer._sstore
dirsrv_pkcs12_info = installer._dirsrv_pkcs12_info
http_pkcs12_info = installer._http_pkcs12_info
pkinit_pkcs12_info = installer._pkinit_pkcs12_info
http_ca_cert = installer._ca_cert
realm_name = options.realm_name
domain_name = options.domain_name
dm_password = options.dm_password
master_password = options.master_password
admin_password = options.admin_password
host_name = options.host_name
ip_addresses = options.ip_addresses
setup_ca = options.setup_ca
# Installation has started. No IPA sysrestore items are restored in case of
# failure to enable root cause investigation
installer._installation_cleanup = False
if installer.interactive:
print("")
print("The following operations may take some minutes to complete.")
print("Please wait until the prompt is returned.")
print("")
# set hostname (transient and static) if user instructed us to do so
if options._host_name_overridden:
tasks.backup_hostname(fstore, sstore)
tasks.set_hostname(host_name)
if installer._update_hosts_file:
update_hosts_file(ip_addresses, host_name, fstore)
# Create a directory server instance
if not options.external_cert_files:
# Configure ntpd
if not options.no_ntp:
ipaclient.install.ntpconf.force_ntpd(sstore)
ntp = ntpinstance.NTPInstance(fstore)
if not ntp.is_configured():
ntp.create_instance()
if options.dirsrv_cert_files:
ds = dsinstance.DsInstance(fstore=fstore,
domainlevel=options.domainlevel,
config_ldif=options.dirsrv_config_file)
installer._ds = ds
ds.create_instance(realm_name, host_name, domain_name,
dm_password, dirsrv_pkcs12_info,
idstart=options.idstart, idmax=options.idmax,
subject_base=options.subject_base,
ca_subject=options.ca_subject,
hbac_allow=not options.no_hbac_allow,
setup_pkinit=not options.no_pkinit)
else:
ds = dsinstance.DsInstance(fstore=fstore,
domainlevel=options.domainlevel,
config_ldif=options.dirsrv_config_file)
installer._ds = ds
ds.create_instance(realm_name, host_name, domain_name,
dm_password,
idstart=options.idstart, idmax=options.idmax,
subject_base=options.subject_base,
ca_subject=options.ca_subject,
hbac_allow=not options.no_hbac_allow,
setup_pkinit=not options.no_pkinit)
ntpinstance.ntp_ldap_enable(host_name, ds.suffix, realm_name)
else:
api.Backend.ldap2.connect()
ds = dsinstance.DsInstance(fstore=fstore,
domainlevel=options.domainlevel)
installer._ds = ds
ds.init_info(
realm_name, host_name, domain_name, dm_password,
options.subject_base, options.ca_subject, 1101, 1100, None,
setup_pkinit=not options.no_pkinit)
krb = krbinstance.KrbInstance(fstore)
if not options.external_cert_files:
krb.create_instance(realm_name, host_name, domain_name,
dm_password, master_password,
setup_pkinit=not options.no_pkinit,
pkcs12_info=pkinit_pkcs12_info,
subject_base=options.subject_base)
else:
krb.init_info(realm_name, host_name,
setup_pkinit=not options.no_pkinit,
subject_base=options.subject_base)
if setup_ca:
if not options.external_cert_files and options.external_ca:
# stage 1 of external CA installation
options.realm_name = realm_name
options.domain_name = domain_name
options.master_password = master_password
options.dm_password = dm_password
options.admin_password = admin_password
options.host_name = host_name
options.reverse_zones = dns.reverse_zones
cache_vars = {n: options.__dict__[n] for o, n in installer.knobs()
if n in options.__dict__}
write_cache(cache_vars)
ca.install_step_0(False, None, options)
else:
# Put the CA cert where other instances expect it
x509.write_certificate(http_ca_cert, paths.IPA_CA_CRT)
os.chmod(paths.IPA_CA_CRT, 0o444)
if not options.no_pkinit:
x509.write_certificate(http_ca_cert, paths.KDC_CA_BUNDLE_PEM)
else:
with open(paths.KDC_CA_BUNDLE_PEM, 'w'):
pass
os.chmod(paths.KDC_CA_BUNDLE_PEM, 0o444)
x509.write_certificate(http_ca_cert, paths.CA_BUNDLE_PEM)
os.chmod(paths.CA_BUNDLE_PEM, 0o444)
# we now need to enable ssl on the ds
ds.enable_ssl()
if setup_ca:
ca.install_step_1(False, None, options)
otpd = otpdinstance.OtpdInstance()
otpd.create_instance('OTPD', host_name,
ipautil.realm_to_suffix(realm_name))
custodia = custodiainstance.CustodiaInstance(host_name, realm_name)
custodia.create_instance()
# Create a HTTP instance
http = httpinstance.HTTPInstance(fstore)
if options.http_cert_files:
http.create_instance(
realm_name, host_name, domain_name, dm_password,
pkcs12_info=http_pkcs12_info, subject_base=options.subject_base,
auto_redirect=not options.no_ui_redirect,
ca_is_configured=setup_ca)
else:
http.create_instance(
realm_name, host_name, domain_name, dm_password,
subject_base=options.subject_base,
auto_redirect=not options.no_ui_redirect,
ca_is_configured=setup_ca)
tasks.restore_context(paths.CACHE_IPA_SESSIONS)
ca.set_subject_base_in_config(options.subject_base)
# configure PKINIT now that all required services are in place
krb.enable_ssl()
# Apply any LDAP updates. Needs to be done after the configuration file
# is created. DS is restarted in the process.
service.print_msg("Applying LDAP updates")
ds.apply_updates()
# Restart krb after configurations have been changed
service.print_msg("Restarting the KDC")
krb.restart()
if options.setup_kra:
kra.install(api, None, options)
if options.setup_dns:
dns.install(False, False, options)
else:
# Create a BIND instance
bind = bindinstance.BindInstance(fstore)
bind.setup(host_name, ip_addresses, realm_name,
domain_name, (), 'first', (),
zonemgr=options.zonemgr,
no_dnssec_validation=options.no_dnssec_validation)
bind.create_file_with_system_records()
if options.setup_adtrust:
adtrust.install(False, options, fstore, api)
# Set the admin user kerberos password
ds.change_admin_password(admin_password)
# Call client install script
service.print_msg("Configuring client side components")
try:
args = [paths.IPA_CLIENT_INSTALL, "--on-master", "--unattended",
"--domain", domain_name, "--server", host_name,
"--realm", realm_name, "--hostname", host_name]
if options.no_dns_sshfp:
args.append("--no-dns-sshfp")
if options.ssh_trust_dns:
args.append("--ssh-trust-dns")
if options.no_ssh:
args.append("--no-ssh")
if options.no_sshd:
args.append("--no-sshd")
if options.mkhomedir:
args.append("--mkhomedir")
run(args, redirect_output=True)
print()
except Exception:
raise ScriptError("Configuration of client side components failed!")
# Everything installed properly, activate ipa service.
services.knownservices.ipa.enable()
print("======================================="
"=======================================")
print("Setup complete")
print("")
print("Next steps:")
print("\t1. You must make sure these network ports are open:")
print("\t\tTCP Ports:")
print("\t\t * 80, 443: HTTP/HTTPS")
print("\t\t * 389, 636: LDAP/LDAPS")
print("\t\t * 88, 464: kerberos")
if options.setup_dns:
print("\t\t * 53: bind")
print("\t\tUDP Ports:")
print("\t\t * 88, 464: kerberos")
if options.setup_dns:
print("\t\t * 53: bind")
if not options.no_ntp:
print("\t\t * 123: ntp")
print("")
print("\t2. You can now obtain a kerberos ticket using the command: "
"'kinit admin'")
print("\t This ticket will allow you to use the IPA tools (e.g., ipa "
"user-add)")
print("\t and the web user interface.")
if not services.knownservices.ntpd.is_running():
print("\t3. Kerberos requires time synchronization between clients")
print("\t and servers for correct operation. You should consider "
"enabling ntpd.")
print("")
if setup_ca:
print(("Be sure to back up the CA certificates stored in " +
paths.CACERT_P12))
print("These files are required to create replicas. The password for "
"these")
print("files is the Directory Manager password")
if os.path.isfile(paths.ROOT_IPA_CACHE):
os.remove(paths.ROOT_IPA_CACHE)
@common_cleanup
def uninstall_check(installer):
options = installer
tasks.check_selinux_status()
installer._installation_cleanup = False
if not is_ipa_configured():
print("WARNING:\nIPA server is not configured on this system. "
"If you want to install the\nIPA server, please install "
"it using 'ipa-server-install'.")
fstore = sysrestore.FileStore(SYSRESTORE_DIR_PATH)
sstore = sysrestore.StateFile(SYSRESTORE_DIR_PATH)
# Configuration for ipalib, we will bootstrap and finalize later, after
# we are sure we have the configuration file ready.
cfg = dict(
context='installer',
confdir=paths.ETC_IPA,
in_server=True,
)
# We will need at least api.env, finalize api now. This system is
# already installed, so the configuration file is there.
api.bootstrap(**cfg)
api.finalize()
if installer.interactive:
print("\nThis is a NON REVERSIBLE operation and will delete all data "
"and configuration!\nIt is highly recommended to take a backup of "
"existing data and configuration using ipa-backup utility "
"before proceeding.\n")
if not user_input("Are you sure you want to continue with the "
"uninstall procedure?", False):
raise ScriptError("Aborting uninstall operation.")
try:
api.Backend.ldap2.connect(autobind=True)
domain_level = dsinstance.get_domain_level(api)
except Exception:
msg = ("\nWARNING: Failed to connect to Directory Server to find "
"information about replication agreements. Uninstallation "
"will continue despite the possible existing replication "
"agreements.\n\n"
"If this server is the last instance of CA, KRA, or DNSSEC "
"master, uninstallation may result in data loss.\n\n"
)
print(textwrap.fill(msg, width=80, replace_whitespace=False))
if (installer.interactive and not user_input(
"Are you sure you want to continue with the uninstall "
"procedure?", False)):
raise ScriptError("Aborting uninstall operation.")
else:
dns.uninstall_check(options)
if domain_level == DOMAIN_LEVEL_0:
rm = replication.ReplicationManager(
realm=api.env.realm,
hostname=api.env.host,
dirman_passwd=None,
conn=api.Backend.ldap2
)
agreements = rm.find_ipa_replication_agreements()
if agreements:
other_masters = [a.get('cn')[0][4:] for a in agreements]
msg = (
"\nReplication agreements with the following IPA masters "
"found: %s. Removing any replication agreements before "
"uninstalling the server is strongly recommended. You can "
"remove replication agreements by running the following "
"command on any other IPA master:\n" % ", ".join(
other_masters)
)
cmd = "$ ipa-replica-manage del %s\n" % api.env.host
print(textwrap.fill(msg, width=80, replace_whitespace=False))
print(cmd)
if (installer.interactive and
not user_input("Are you sure you want to continue with"
" the uninstall procedure?", False)):
raise ScriptError("Aborting uninstall operation.")
else:
remove_master_from_managed_topology(api, options)
api.Backend.ldap2.disconnect()
installer._fstore = fstore
installer._sstore = sstore
@common_cleanup
def uninstall(installer):
fstore = installer._fstore
sstore = installer._sstore
rv = 0
print("Shutting down all IPA services")
try:
services.knownservices.ipa.stop()
except Exception:
# Fallback to direct ipactl stop only if system command fails
try:
run([paths.IPACTL, "stop"], raiseonerr=False)
except Exception:
pass
ntpinstance.NTPInstance(fstore).uninstall()
kra.uninstall()
ca.uninstall()
dns.uninstall()
httpinstance.HTTPInstance(fstore).uninstall()
krbinstance.KrbInstance(fstore).uninstall()
dsinstance.DsInstance(fstore=fstore).uninstall()
if _server_trust_ad_installed:
adtrustinstance.ADTRUSTInstance(fstore).uninstall()
custodiainstance.CustodiaInstance().uninstall()
otpdinstance.OtpdInstance().uninstall()
tasks.restore_hostname(fstore, sstore)
fstore.restore_all_files()
try:
os.remove(paths.ROOT_IPA_CACHE)
except Exception:
pass
try:
os.remove(paths.ROOT_IPA_CSR)
except Exception:
pass
# ipa-client-install removes /etc/ipa/default.conf
sstore._load()
ipaclient.install.ntpconf.restore_forced_ntpd(sstore)
# Clean up group_exists (unused since IPA 2.2, not being set since 4.1)
sstore.restore_state("install", "group_exists")
services.knownservices.ipa.disable()
# remove upgrade state file
sysupgrade.remove_upgrade_file()
if fstore.has_files():
logger.error('Some files have not been restored, see '
'%s/sysrestore.index', SYSRESTORE_DIR_PATH)
has_state = False
for module in IPA_MODULES: # from installutils
if sstore.has_state(module):
logger.error('Some installation state for %s has not been '
'restored, see %s/sysrestore.state',
module, SYSRESTORE_DIR_PATH)
has_state = True
rv = 1
if has_state:
logger.error('Some installation state has not been restored.\n'
'This may cause re-installation to fail.\n'
'It should be safe to remove %s/sysrestore.state '
'but it may\n'
'mean your system hasn\'t be restored to its '
'pre-installation state.', SYSRESTORE_DIR_PATH)
# Note that this name will be wrong after the first uninstall.
dirname = dsinstance.config_dirname(
installutils.realm_to_serverid(api.env.realm))
dirs = [dirname, paths.PKI_TOMCAT_ALIAS_DIR, paths.HTTPD_ALIAS_DIR]
ids = certmonger.check_state(dirs)
if ids:
logger.error('Some certificates may still be tracked by '
'certmonger.\n'
'This will cause re-installation to fail.\n'
'Start the certmonger service and list the '
'certificates being tracked\n'
' # getcert list\n'
'These may be untracked by executing\n'
' # getcert stop-tracking -i <request_id>\n'
'for each id in: %s', ', '.join(ids))
# Remove the cert renewal lock file
try:
os.remove(paths.IPA_RENEWAL_LOCK)
except OSError as e:
if e.errno != errno.ENOENT:
logger.warning("Failed to remove file %s: %s",
paths.IPA_RENEWAL_LOCK, e)
print("Removing IPA client configuration")
try:
result = run([paths.IPA_CLIENT_INSTALL, "--on-master",
"--unattended", "--uninstall"],
raiseonerr=False, redirect_output=True)
if result.returncode not in [0, 2]:
raise RuntimeError("Failed to configure the client")
except Exception:
rv = 1
print("Uninstall of client side components failed!")
sys.exit(rv)
def init(installer):
installer.unattended = not installer.interactive
installer.domainlevel = installer.domain_level
installer._installation_cleanup = True
installer._ds = None
installer._dirsrv_pkcs12_file = None
installer._http_pkcs12_file = None
installer._pkinit_pkcs12_file = None
installer._dirsrv_pkcs12_info = None
installer._http_pkcs12_info = None
installer._pkinit_pkcs12_info = None
installer._external_cert_file = None
installer._external_ca_file = None
installer._ca_cert = None
installer._update_hosts_file = False
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