Martin Basti
45e3aee352
Unused variables may: * make code less readable * create dead code * potentialy hide issues/errors Enabled check should prevent to leave unused variable in code Check is locally disabled for modules that fix is not clear or easy or have too many occurences of unused variables Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com> Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>
260 lines
10 KiB
Python
260 lines
10 KiB
Python
#
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# Copyright (C) 2015 FreeIPA Contributors see COPYING for license
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#
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from __future__ import print_function
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from ipaserver.install import cainstance, dsinstance, bindinstance
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from ipapython import ipautil, certdb
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from ipapython.admintool import ScriptError
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from ipaplatform import services
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from ipaplatform.paths import paths
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from ipaserver.install import installutils, certs
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from ipaserver.install.replication import replica_conn_check
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from ipalib import api, certstore, x509
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from ipapython.dn import DN
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from ipapython.ipa_log_manager import root_logger
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# pylint: disable=unused-variable
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external_cert_file = None
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external_ca_file = None
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def install_check(standalone, replica_config, options):
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global external_cert_file
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global external_ca_file
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realm_name = options.realm_name
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host_name = options.host_name
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subject_base = options.subject
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if replica_config is not None:
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if standalone and api.env.ra_plugin == 'selfsign':
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raise ScriptError('A selfsign CA can not be added')
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if ((not options.promote
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and not ipautil.file_exists(replica_config.dir + "/cacert.p12"))):
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raise ScriptError('CA cannot be installed in CA-less setup.')
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if standalone and not options.skip_conncheck:
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principal = options.principal
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replica_conn_check(
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replica_config.master_host_name, host_name, realm_name, True,
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replica_config.ca_ds_port, options.admin_password,
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principal=principal, ca_cert_file=options.ca_cert_file)
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if options.skip_schema_check or options.promote:
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root_logger.info("Skipping CA DS schema check")
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else:
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cainstance.replica_ca_install_check(replica_config)
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return
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if standalone:
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if api.Command.ca_is_enabled()['result']:
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raise ScriptError(
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"One or more CA masters are already present in IPA realm "
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"'%s'.\nIf you wish to replicate CA to this host, please "
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"re-run 'ipa-ca-install'\nwith a replica file generated on "
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"an existing CA master as argument." % realm_name
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)
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if options.external_cert_files:
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if not cainstance.is_step_one_done():
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# This can happen if someone passes external_ca_file without
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# already having done the first stage of the CA install.
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raise ScriptError(
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"CA is not installed yet. To install with an external CA "
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"is a two-stage process.\nFirst run the installer with "
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"--external-ca.")
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external_cert_file, external_ca_file = installutils.load_external_cert(
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options.external_cert_files, options.subject)
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elif options.external_ca:
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if cainstance.is_step_one_done():
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raise ScriptError(
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"CA is already installed.\nRun the installer with "
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"--external-cert-file.")
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if ipautil.file_exists(paths.ROOT_IPA_CSR):
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raise ScriptError(
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"CA CSR file %s already exists.\nIn order to continue "
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"remove the file and run the installer again." %
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paths.ROOT_IPA_CSR)
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if not options.external_cert_files:
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if not cainstance.check_port():
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print("IPA requires port 8443 for PKI but it is currently in use.")
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raise ScriptError("Aborting installation")
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if standalone:
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dirname = dsinstance.config_dirname(
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installutils.realm_to_serverid(realm_name))
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cadb = certs.CertDB(realm_name, subject_base=subject_base)
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dsdb = certs.CertDB(realm_name, nssdir=dirname, subject_base=subject_base)
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for db in (cadb, dsdb):
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for nickname, trust_flags in db.list_certs():
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if nickname in (certdb.get_ca_nickname(realm_name),
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'ipaCert',
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'Signing-Cert'):
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raise ScriptError(
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"Certificate with nickname %s is present in %s, "
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"cannot continue." % (nickname, db.secdir))
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cert = db.get_cert_from_db(nickname)
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if not cert:
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continue
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subject = DN(str(x509.get_subject(cert)))
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if subject in (DN('CN=Certificate Authority', subject_base),
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DN('CN=IPA RA', subject_base),
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DN('CN=Object Signing Cert', subject_base)):
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raise ScriptError(
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"Certificate with subject %s is present in %s, "
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"cannot continue." % (subject, db.secdir))
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def install(standalone, replica_config, options):
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install_step_0(standalone, replica_config, options)
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install_step_1(standalone, replica_config, options)
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def install_step_0(standalone, replica_config, options):
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realm_name = options.realm_name
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domain_name = options.domain_name
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dm_password = options.dm_password
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host_name = options.host_name
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subject_base = options.subject
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if replica_config is not None:
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# Configure the CA if necessary
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if standalone:
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api.Backend.ldap2.disconnect()
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cainstance.install_replica_ca(replica_config, standalone,
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ra_p12=getattr(options, 'ra_p12', None))
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if standalone and not api.Backend.ldap2.isconnected():
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api.Backend.ldap2.connect(bind_dn=DN(('cn', 'Directory Manager')),
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bind_pw=dm_password)
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return
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if options.external_cert_files:
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external = 2
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elif options.external_ca:
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external = 1
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else:
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external = 0
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ca = cainstance.CAInstance(realm_name, certs.NSS_DIR)
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if standalone:
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ca.create_ra_agent_db = False
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if external == 0:
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ca.configure_instance(host_name, dm_password,
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dm_password, subject_base=subject_base,
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ca_signing_algorithm=options.ca_signing_algorithm)
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elif external == 1:
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ca.configure_instance(host_name, dm_password,
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dm_password, csr_file=paths.ROOT_IPA_CSR,
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subject_base=subject_base,
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ca_signing_algorithm=options.ca_signing_algorithm,
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ca_type=options.external_ca_type)
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else:
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ca.configure_instance(host_name, dm_password, dm_password,
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cert_file=external_cert_file.name,
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cert_chain_file=external_ca_file.name,
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subject_base=subject_base,
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ca_signing_algorithm=options.ca_signing_algorithm)
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def install_step_1(standalone, replica_config, options):
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realm_name = options.realm_name
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domain_name = options.domain_name
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dm_password = options.dm_password
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host_name = options.host_name
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subject_base = options.subject
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basedn = ipautil.realm_to_suffix(realm_name)
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ca = cainstance.CAInstance(realm_name, certs.NSS_DIR, host_name=host_name)
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if standalone:
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ca.stop('pki-tomcat')
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# We need to ldap_enable the CA now that DS is up and running
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if replica_config is None:
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config = ['caRenewalMaster']
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else:
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config = []
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ca.ldap_enable('CA', host_name, dm_password, basedn, config)
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# This is done within stopped_service context, which restarts CA
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ca.enable_client_auth_to_db(paths.CA_CS_CFG_PATH)
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# Lightweight CA key retrieval is configured in step 1 instead
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# of CAInstance.configure_instance (which is invoked from step
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# 0) because kadmin_addprinc fails until krb5.conf is installed
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# by krb.create_instance.
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#
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ca.setup_lightweight_ca_key_retrieval()
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if standalone and replica_config is None:
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serverid = installutils.realm_to_serverid(realm_name)
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dirname = dsinstance.config_dirname(serverid)
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# Store the new IPA CA cert chain in DS NSS database and LDAP
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cadb = certs.CertDB(realm_name, subject_base=subject_base)
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dsdb = certs.CertDB(realm_name, nssdir=dirname, subject_base=subject_base)
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trust_flags = dict(reversed(cadb.list_certs()))
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trust_chain = cadb.find_root_cert('ipaCert')[:-1]
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for nickname in trust_chain[:-1]:
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cert = cadb.get_cert_from_db(nickname, pem=False)
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dsdb.add_cert(cert, nickname, trust_flags[nickname])
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certstore.put_ca_cert_nss(api.Backend.ldap2, api.env.basedn,
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cert, nickname, trust_flags[nickname])
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nickname = trust_chain[-1]
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cert = cadb.get_cert_from_db(nickname, pem=False)
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dsdb.add_cert(cert, nickname, trust_flags[nickname])
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certstore.put_ca_cert_nss(api.Backend.ldap2, api.env.basedn,
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cert, nickname, trust_flags[nickname],
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config_ipa=True, config_compat=True)
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api.Backend.ldap2.disconnect()
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# Restart DS
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services.knownservices.dirsrv.restart(serverid)
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api.Backend.ldap2.connect(bind_dn=DN(('cn', 'Directory Manager')),
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bind_pw=dm_password)
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# Store DS CA cert in Dogtag NSS database
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dogtagdb = certs.CertDB(realm_name, nssdir=paths.PKI_TOMCAT_ALIAS_DIR)
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trust_flags = dict(reversed(dsdb.list_certs()))
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server_certs = dsdb.find_server_certs()
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trust_chain = dsdb.find_root_cert(server_certs[0][0])[:-1]
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nickname = trust_chain[-1]
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cert = dsdb.get_cert_from_db(nickname)
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dogtagdb.add_cert(cert, nickname, trust_flags[nickname])
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if standalone:
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ca.start('pki-tomcat')
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# We need to restart apache as we drop a new config file in there
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services.knownservices.httpd.restart(capture_output=True)
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# Install CA DNS records
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if bindinstance.dns_container_exists(host_name, basedn, dm_password):
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bind = bindinstance.BindInstance(dm_password=dm_password)
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bind.update_system_records()
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def uninstall():
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ca_instance = cainstance.CAInstance(
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api.env.realm, certs.NSS_DIR)
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ca_instance.stop_tracking_certificates()
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if ca_instance.is_configured():
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ca_instance.uninstall()
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