# Authors: Karl MacMillan # Simo Sorce # # Copyright (C) 2007 Red Hat # see file 'COPYING' for use and warranty information # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # import shutil import pwd import sys import os import re import time import tempfile import stat from ipapython.ipa_log_manager import * from ipapython import ipautil, sysrestore, ipaldap import service import installutils import certs import ldap from ipaserver.install import ldapupdate from ipaserver.install import replication from ipaserver.install import sysupgrade from ipalib import api from ipalib import certstore from ipalib import errors from ipaplatform.tasks import tasks from ipalib.constants import CACERT from ipapython.dn import DN from ipaplatform import services from ipaplatform.paths import paths DS_USER = 'dirsrv' DS_GROUP = 'dirsrv' IPA_SCHEMA_FILES = ("60kerberos.ldif", "60samba.ldif", "60ipaconfig.ldif", "60basev2.ldif", "60basev3.ldif", "60ipapk11.ldif", "60ipadns.ldif", "61kerberos-ipav3.ldif", "65ipacertstore.ldif", "65ipasudo.ldif", "70ipaotp.ldif", "71idviews.ldif", "15rfc2307bis.ldif", "15rfc4876.ldif") ALL_SCHEMA_FILES = IPA_SCHEMA_FILES + ("05rfc2247.ldif", ) DS_INSTANCE_PREFIX = 'slapd-' def find_server_root(): if ipautil.dir_exists(paths.USR_LIB_DIRSRV_64): return paths.USR_LIB_DIRSRV_64 else: return paths.USR_LIB_DIRSRV def config_dirname(serverid): return (paths.ETC_DIRSRV_SLAPD_INSTANCE_TEMPLATE % serverid) + "/" def schema_dirname(serverid): return config_dirname(serverid) + "/schema/" def remove_ds_instance(serverid, force=False): """A wrapper around the 'remove-ds.pl' script used by 389ds to remove a single directory server instance. In case of error additional call with the '-f' flag is performed (forced removal). If this also fails, then an exception is raised. """ instance_name = ''.join([DS_INSTANCE_PREFIX, serverid]) args = [paths.REMOVE_DS_PL, '-i', instance_name] if force: args.append('-f') root_logger.debug("Forcing instance removal") try: ipautil.run(args) except ipautil.CalledProcessError: if force: root_logger.error("Instance removal failed.") raise root_logger.debug("'%s' failed. " "Attempting to force removal" % paths.REMOVE_DS_PL) remove_ds_instance(serverid, force=True) def get_ds_instances(): ''' Return a sorted list of all 389ds instances. If the instance name ends with '.removed' it is ignored. This matches 389ds behavior. ''' dirsrv_instance_dir = paths.ETC_DIRSRV instances = [] for basename in os.listdir(dirsrv_instance_dir): pathname = os.path.join(dirsrv_instance_dir, basename) # Must be a directory if os.path.isdir(pathname): # Must start with prefix and not end with .removed if (basename.startswith(DS_INSTANCE_PREFIX) and not basename.endswith('.removed')): # Strip off prefix instance = basename[len(DS_INSTANCE_PREFIX):] # Must be non-empty if instance: instances.append(instance) instances.sort() return instances def check_ports(): """ Check of Directory server ports are open. Returns a tuple with two booleans, one for unsecure port 389 and one for secure port 636. True means that the port is free, False means that the port is taken. """ ds_unsecure = not ipautil.host_port_open(None, 389) ds_secure = not ipautil.host_port_open(None, 636) return (ds_unsecure, ds_secure) def is_ds_running(server_id=''): return services.knownservices.dirsrv.is_running(instance_name=server_id) def create_ds_user(): """Create DS user/group if it doesn't exist yet.""" tasks.create_system_user( name=DS_USER, group=DS_USER, homedir=paths.VAR_LIB_DIRSRV, shell=paths.NOLOGIN, ) INF_TEMPLATE = """ [General] FullMachineName= $FQDN SuiteSpotUserID= $USER SuiteSpotGroup= $GROUP ServerRoot= $SERVER_ROOT [slapd] ServerPort= 389 ServerIdentifier= $SERVERID Suffix= $SUFFIX RootDN= cn=Directory Manager RootDNPwd= $PASSWORD InstallLdifFile= /var/lib/dirsrv/boot.ldif inst_dir= /var/lib/dirsrv/scripts-$SERVERID """ BASE_TEMPLATE = """ dn: $SUFFIX objectClass: top objectClass: domain objectClass: pilotObject dc: $BASEDC info: IPA V2.0 """ class DsInstance(service.Service): def __init__(self, realm_name=None, domain_name=None, dm_password=None, fstore=None): service.Service.__init__(self, "dirsrv", service_desc="directory server", dm_password=dm_password, ldapi=False, autobind=ipaldap.AUTOBIND_DISABLED ) self.nickname = 'Server-Cert' self.dm_password = dm_password self.realm = realm_name self.sub_dict = None self.domain = domain_name self.serverid = None self.master_fqdn = None self.pkcs12_info = None self.cacert_name = None self.ca_is_configured = True self.dercert = None self.idstart = None self.idmax = None self.subject_base = None self.open_ports = [] self.run_init_memberof = True if realm_name: self.suffix = ipautil.realm_to_suffix(self.realm) self.__setup_sub_dict() else: self.suffix = DN() if fstore: self.fstore = fstore else: self.fstore = sysrestore.FileStore(paths.SYSRESTORE) subject_base = ipautil.dn_attribute_property('_subject_base') def __common_setup(self, enable_ssl=False): self.step("creating directory server user", create_ds_user) self.step("creating directory server instance", self.__create_instance) self.step("adding default schema", self.__add_default_schemas) self.step("enabling memberof plugin", self.__add_memberof_module) self.step("enabling winsync plugin", self.__add_winsync_module) self.step("configuring replication version plugin", self.__config_version_module) self.step("enabling IPA enrollment plugin", self.__add_enrollment_module) self.step("enabling ldapi", self.__enable_ldapi) self.step("configuring uniqueness plugin", self.__set_unique_attrs) self.step("configuring uuid plugin", self.__config_uuid_module) self.step("configuring modrdn plugin", self.__config_modrdn_module) self.step("configuring DNS plugin", self.__config_dns_module) self.step("enabling entryUSN plugin", self.__enable_entryusn) self.step("configuring lockout plugin", self.__config_lockout_module) self.step("creating indices", self.__create_indices) self.step("enabling referential integrity plugin", self.__add_referint_module) if enable_ssl: self.step("configuring ssl for ds instance", self.__enable_ssl) self.step("configuring certmap.conf", self.__certmap_conf) self.step("configure autobind for root", self.__root_autobind) self.step("configure new location for managed entries", self.__repoint_managed_entries) self.step("configure dirsrv ccache", self.configure_dirsrv_ccache) self.step("enable SASL mapping fallback", self.__enable_sasl_mapping_fallback) self.step("restarting directory server", self.__restart_instance) def __common_post_setup(self): self.step("initializing group membership", self.init_memberof) self.step("adding master entry", self.__add_master_entry) self.step("configuring Posix uid/gid generation", self.__config_uidgid_gen) self.step("adding replication acis", self.__add_replication_acis) self.step("enabling compatibility plugin", self.__enable_compat_plugin) self.step("tuning directory server", self.__tuning) self.step("configuring directory to start on boot", self.__enable) def init_info(self, realm_name, fqdn, domain_name, dm_password, subject_base, idstart, idmax, pkcs12_info, ca_file=None): self.realm = realm_name.upper() self.serverid = installutils.realm_to_serverid(self.realm) self.suffix = ipautil.realm_to_suffix(self.realm) self.fqdn = fqdn self.dm_password = dm_password self.domain = domain_name self.principal = "ldap/%s@%s" % (self.fqdn, self.realm) self.subject_base = subject_base self.idstart = idstart self.idmax = idmax self.pkcs12_info = pkcs12_info if pkcs12_info: self.ca_is_configured = False self.ca_file = ca_file self.__setup_sub_dict() def create_instance(self, realm_name, fqdn, domain_name, dm_password, pkcs12_info=None, idstart=1100, idmax=999999, subject_base=None, hbac_allow=True, ca_file=None): self.init_info( realm_name, fqdn, domain_name, dm_password, subject_base, idstart, idmax, pkcs12_info, ca_file=ca_file) self.__common_setup() self.step("adding default layout", self.__add_default_layout) self.step("adding delegation layout", self.__add_delegation_layout) self.step("creating container for managed entries", self.__managed_entries) self.step("configuring user private groups", self.__user_private_groups) self.step("configuring netgroups from hostgroups", self.__host_nis_groups) self.step("creating default Sudo bind user", self.__add_sudo_binduser) self.step("creating default Auto Member layout", self.__add_automember_config) self.step("adding range check plugin", self.__add_range_check_plugin) if hbac_allow: self.step("creating default HBAC rule allow_all", self.add_hbac) self.__common_post_setup() self.start_creation(runtime=60) def enable_ssl(self): self.steps = [] self.step("configuring ssl for ds instance", self.__enable_ssl) self.step("restarting directory server", self.__restart_instance) self.step("adding CA certificate entry", self.__upload_ca_cert) self.start_creation(runtime=10) def create_replica(self, realm_name, master_fqdn, fqdn, domain_name, dm_password, subject_base, pkcs12_info=None, ca_file=None, ca_is_configured=None): # idstart and idmax are configured so that the range is seen as # depleted by the DNA plugin and the replica will go and get a # new range from the master. # This way all servers use the initially defined range by default. idstart = 1101 idmax = 1100 self.init_info( realm_name=realm_name, fqdn=fqdn, domain_name=domain_name, dm_password=dm_password, subject_base=subject_base, idstart=idstart, idmax=idmax, pkcs12_info=pkcs12_info, ca_file=ca_file ) self.master_fqdn = master_fqdn if ca_is_configured is not None: self.ca_is_configured = ca_is_configured self.__common_setup(True) self.step("setting up initial replication", self.__setup_replica) self.step("updating schema", self.__update_schema) # See LDIFs for automember configuration during replica install self.step("setting Auto Member configuration", self.__add_replica_automember_config) self.step("enabling S4U2Proxy delegation", self.__setup_s4u2proxy) self.step("importing CA certificates from LDAP", self.__import_ca_certs) self.__common_post_setup() self.start_creation(runtime=60) def __setup_replica(self): replication.enable_replication_version_checking(self.fqdn, self.realm, self.dm_password) repl = replication.ReplicationManager(self.realm, self.fqdn, self.dm_password) repl.setup_replication(self.master_fqdn, r_binddn=DN(('cn', 'Directory Manager')), r_bindpw=self.dm_password) self.run_init_memberof = repl.needs_memberof_fixup() def __update_schema(self): # FIXME: https://fedorahosted.org/389/ticket/47490 self._ldap_mod("schema-update.ldif") def __enable(self): self.backup_state("enabled", self.is_enabled()) # At the end of the installation ipa-server-install will enable the # 'ipa' service wich takes care of starting/stopping dirsrv self.disable() def __setup_sub_dict(self): server_root = find_server_root() try: idrange_size = self.idmax - self.idstart + 1 except TypeError: idrange_size = None self.sub_dict = dict(FQDN=self.fqdn, SERVERID=self.serverid, PASSWORD=self.dm_password, RANDOM_PASSWORD=self.generate_random(), SUFFIX=self.suffix, REALM=self.realm, USER=DS_USER, SERVER_ROOT=server_root, DOMAIN=self.domain, TIME=int(time.time()), IDSTART=self.idstart, IDMAX=self.idmax, HOST=self.fqdn, ESCAPED_SUFFIX=str(self.suffix), GROUP=DS_GROUP, IDRANGE_SIZE=idrange_size ) def __create_instance(self): pent = pwd.getpwnam(DS_USER) self.backup_state("serverid", self.serverid) self.fstore.backup_file(paths.SYSCONFIG_DIRSRV) self.sub_dict['BASEDC'] = self.realm.split('.')[0].lower() base_txt = ipautil.template_str(BASE_TEMPLATE, self.sub_dict) root_logger.debug(base_txt) target_fname = paths.DIRSRV_BOOT_LDIF base_fd = open(target_fname, "w") base_fd.write(base_txt) base_fd.close() # Must be readable for dirsrv os.chmod(target_fname, 0440) os.chown(target_fname, pent.pw_uid, pent.pw_gid) inf_txt = ipautil.template_str(INF_TEMPLATE, self.sub_dict) root_logger.debug("writing inf template") inf_fd = ipautil.write_tmp_file(inf_txt) inf_txt = re.sub(r"RootDNPwd=.*\n", "", inf_txt) root_logger.debug(inf_txt) if ipautil.file_exists(paths.SETUP_DS_PL): args = [paths.SETUP_DS_PL, "--silent", "--logfile", "-", "-f", inf_fd.name] root_logger.debug("calling setup-ds.pl") else: args = [paths.DS_NEWINST_PL, inf_fd.name] root_logger.debug("calling ds_newinst.pl") try: ipautil.run(args) root_logger.debug("completed creating ds instance") except ipautil.CalledProcessError, e: root_logger.critical("failed to create ds instance %s" % e) # check for open port 389 from now on self.open_ports.append(389) root_logger.debug("restarting ds instance") try: self.__restart_instance() root_logger.debug("done restarting ds instance") except ipautil.CalledProcessError, e: print "failed to restart ds instance", e root_logger.debug("failed to restart ds instance %s" % e) inf_fd.close() os.remove(paths.DIRSRV_BOOT_LDIF) def __add_default_schemas(self): pent = pwd.getpwnam(DS_USER) for schema_fname in IPA_SCHEMA_FILES: target_fname = schema_dirname(self.serverid) + schema_fname shutil.copyfile(ipautil.SHARE_DIR + schema_fname, target_fname) os.chmod(target_fname, 0440) # read access for dirsrv user/group os.chown(target_fname, pent.pw_uid, pent.pw_gid) try: shutil.move(schema_dirname(self.serverid) + "05rfc2247.ldif", schema_dirname(self.serverid) + "05rfc2247.ldif.old") target_fname = schema_dirname(self.serverid) + "05rfc2247.ldif" shutil.copyfile(ipautil.SHARE_DIR + "05rfc2247.ldif", target_fname) os.chmod(target_fname, 0440) os.chown(target_fname, pent.pw_uid, pent.pw_gid) except IOError: # Does not apply with newer DS releases pass def restart(self, instance=''): try: super(DsInstance, self).restart(instance) if not is_ds_running(instance): root_logger.critical("Failed to restart the directory server. See the installation log for details.") sys.exit(1) except SystemExit, e: raise e except Exception, e: # TODO: roll back here? root_logger.critical("Failed to restart the directory server (%s). See the installation log for details." % e) def __restart_instance(self): self.restart(self.serverid) def __enable_entryusn(self): self._ldap_mod("entryusn.ldif") def __add_memberof_module(self): self._ldap_mod("memberof-conf.ldif") def init_memberof(self): if not self.run_init_memberof: return self._ldap_mod("memberof-task.ldif", self.sub_dict) # Note, keep dn in sync with dn in install/share/memberof-task.ldif dn = DN(('cn', 'IPA install %s' % self.sub_dict["TIME"]), ('cn', 'memberof task'), ('cn', 'tasks'), ('cn', 'config')) root_logger.debug("Waiting for memberof task to complete.") conn = ipaldap.IPAdmin(self.fqdn) if self.dm_password: conn.do_simple_bind( DN(('cn', 'directory manager')), self.dm_password) else: conn.do_sasl_gssapi_bind() replication.wait_for_task(conn, dn) conn.unbind() def apply_updates(self): ld = ldapupdate.LDAPUpdate(dm_password=self.dm_password, sub_dict=self.sub_dict) files = ld.get_all_files(ldapupdate.UPDATES_DIR) ld.update(files) installutils.store_version() def __add_referint_module(self): self._ldap_mod("referint-conf.ldif") def __set_unique_attrs(self): self._ldap_mod("unique-attributes.ldif", self.sub_dict) def __config_uidgid_gen(self): self._ldap_mod("dna.ldif", self.sub_dict) def __add_master_entry(self): self._ldap_mod("master-entry.ldif", self.sub_dict) def __add_winsync_module(self): self._ldap_mod("ipa-winsync-conf.ldif") def __enable_compat_plugin(self): ld = ldapupdate.LDAPUpdate(dm_password=self.dm_password, sub_dict=self.sub_dict) rv = ld.update([paths.SCHEMA_COMPAT_ULDIF]) if not rv: raise RuntimeError("Enabling compatibility plugin failed") def __config_version_module(self): self._ldap_mod("version-conf.ldif") def __config_uuid_module(self): self._ldap_mod("uuid-conf.ldif") self._ldap_mod("uuid.ldif", self.sub_dict) def __config_modrdn_module(self): self._ldap_mod("modrdn-conf.ldif") self._ldap_mod("modrdn-krbprinc.ldif", self.sub_dict) def __config_dns_module(self): # Configure DNS plugin unconditionally as we would otherwise have # troubles if other replica just configured DNS with ipa-dns-install self._ldap_mod("ipa-dns-conf.ldif") def __config_lockout_module(self): self._ldap_mod("lockout-conf.ldif") def __repoint_managed_entries(self): self._ldap_mod("repoint-managed-entries.ldif", self.sub_dict) def configure_dirsrv_ccache(self): pent = pwd.getpwnam("dirsrv") ccache = paths.TMP_KRB5CC % pent.pw_uid filepath = paths.SYSCONFIG_DIRSRV if not os.path.exists(filepath): # file doesn't exist; create it with correct ownership & mode open(filepath, 'a').close() os.chmod(filepath, stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH) os.chown(filepath, 0, 0) replacevars = {'KRB5CCNAME': ccache} old_values = ipautil.backup_config_and_replace_variables( self.fstore, filepath, replacevars=replacevars) tasks.restore_context(filepath) def __managed_entries(self): self._ldap_mod("managed-entries.ldif", self.sub_dict) def __user_private_groups(self): self._ldap_mod("user_private_groups.ldif", self.sub_dict) def __host_nis_groups(self): self._ldap_mod("host_nis_groups.ldif", self.sub_dict) def __add_enrollment_module(self): self._ldap_mod("enrollment-conf.ldif", self.sub_dict) def generate_random(self): return ipautil.ipa_generate_password() def __enable_ssl(self): dirname = config_dirname(self.serverid) dsdb = certs.CertDB(self.realm, nssdir=dirname, subject_base=self.subject_base) if self.pkcs12_info: if self.ca_is_configured: trust_flags = 'CT,C,C' else: trust_flags = None dsdb.create_from_pkcs12(self.pkcs12_info[0], self.pkcs12_info[1], ca_file=self.ca_file, trust_flags=trust_flags) server_certs = dsdb.find_server_certs() if len(server_certs) == 0: raise RuntimeError("Could not find a suitable server cert in import in %s" % self.pkcs12_info[0]) # We only handle one server cert self.nickname = server_certs[0][0] self.dercert = dsdb.get_cert_from_db(self.nickname, pem=False) else: cadb = certs.CertDB(self.realm, host_name=self.fqdn, subject_base=self.subject_base) # FIXME, need to set this nickname in the RA plugin cadb.export_ca_cert('ipaCert', False) dsdb.create_from_cacert(cadb.cacert_fname, passwd=None) self.dercert = dsdb.create_server_cert( self.nickname, self.fqdn, cadb) dsdb.create_pin_file() self.cacert_name = dsdb.cacert_name if self.ca_is_configured: dsdb.track_server_cert( self.nickname, self.principal, dsdb.passwd_fname, 'restart_dirsrv %s' % self.serverid) conn = ipaldap.IPAdmin(self.fqdn) conn.do_simple_bind(DN(('cn', 'directory manager')), self.dm_password) mod = [(ldap.MOD_REPLACE, "nsSSLClientAuth", "allowed"), (ldap.MOD_REPLACE, "nsSSL3Ciphers", "+all"), (ldap.MOD_REPLACE, "allowWeakCipher", "off")] conn.modify_s(DN(('cn', 'encryption'), ('cn', 'config')), mod) mod = [(ldap.MOD_ADD, "nsslapd-security", "on")] conn.modify_s(DN(('cn', 'config')), mod) entry = conn.make_entry( DN(('cn', 'RSA'), ('cn', 'encryption'), ('cn', 'config')), objectclass=["top", "nsEncryptionModule"], cn=["RSA"], nsSSLPersonalitySSL=[self.nickname], nsSSLToken=["internal (software)"], nsSSLActivation=["on"], ) conn.add_entry(entry) conn.unbind() # check for open secure port 636 from now on self.open_ports.append(636) def __upload_ca_cert(self): """ Upload the CA certificate from the NSS database to the LDAP directory. """ dirname = config_dirname(self.serverid) dsdb = certs.CertDB(self.realm, nssdir=dirname, subject_base=self.subject_base) trust_flags = dict(reversed(dsdb.list_certs())) conn = ipaldap.IPAdmin(self.fqdn) conn.do_simple_bind(DN(('cn', 'directory manager')), self.dm_password) nicknames = dsdb.find_root_cert(self.cacert_name)[:-1] for nickname in nicknames: cert = dsdb.get_cert_from_db(nickname, pem=False) certstore.put_ca_cert_nss(conn, self.suffix, cert, nickname, trust_flags[nickname]) nickname = self.cacert_name cert = dsdb.get_cert_from_db(nickname, pem=False) certstore.put_ca_cert_nss(conn, self.suffix, cert, nickname, trust_flags[nickname], config_ipa=self.ca_is_configured, config_compat=self.master_fqdn is None) conn.unbind() def __import_ca_certs(self): dirname = config_dirname(self.serverid) dsdb = certs.CertDB(self.realm, nssdir=dirname, subject_base=self.subject_base) conn = ipaldap.IPAdmin(self.fqdn) conn.do_simple_bind(DN(('cn', 'directory manager')), self.dm_password) self.import_ca_certs(dsdb, self.ca_is_configured, conn) conn.unbind() def __add_default_layout(self): self._ldap_mod("bootstrap-template.ldif", self.sub_dict) def __add_delegation_layout(self): self._ldap_mod("delegation.ldif", self.sub_dict) def __add_replication_acis(self): self._ldap_mod("replica-acis.ldif", self.sub_dict) def __setup_s4u2proxy(self): self._ldap_mod("replica-s4u2proxy.ldif", self.sub_dict) def __create_indices(self): self._ldap_mod("indices.ldif") def __certmap_conf(self): shutil.copyfile(ipautil.SHARE_DIR + "certmap.conf.template", config_dirname(self.serverid) + "certmap.conf") installutils.update_file(config_dirname(self.serverid) + "certmap.conf", '$SUBJECT_BASE', str(self.subject_base)) sysupgrade.set_upgrade_state( 'certmap.conf', 'subject_base', str(self.subject_base) ) def __enable_ldapi(self): self._ldap_mod("ldapi.ldif", self.sub_dict) def __enable_sasl_mapping_fallback(self): self._ldap_mod("sasl-mapping-fallback.ldif", self.sub_dict) def add_hbac(self): self._ldap_mod("default-hbac.ldif", self.sub_dict) def change_admin_password(self, password): root_logger.debug("Changing admin password") dirname = config_dirname(self.serverid) dmpwdfile = "" admpwdfile = "" try: (dmpwdfd, dmpwdfile) = tempfile.mkstemp(dir=paths.VAR_LIB_IPA) os.write(dmpwdfd, self.dm_password) os.close(dmpwdfd) (admpwdfd, admpwdfile) = tempfile.mkstemp(dir=paths.VAR_LIB_IPA) os.write(admpwdfd, password) os.close(admpwdfd) args = [paths.LDAPPASSWD, "-h", self.fqdn, "-ZZ", "-x", "-D", str(DN(('cn', 'Directory Manager'))), "-y", dmpwdfile, "-T", admpwdfile, str(DN(('uid', 'admin'), ('cn', 'users'), ('cn', 'accounts'), self.suffix))] try: env = { 'LDAPTLS_CACERTDIR':os.path.dirname(CACERT), 'LDAPTLS_CACERT':CACERT } ipautil.run(args, env=env) root_logger.debug("ldappasswd done") except ipautil.CalledProcessError, e: print "Unable to set admin password", e root_logger.debug("Unable to set admin password %s" % e) finally: if os.path.isfile(dmpwdfile): os.remove(dmpwdfile) if os.path.isfile(admpwdfile): os.remove(admpwdfile) def uninstall(self): if self.is_configured(): self.print_msg("Unconfiguring directory server") enabled = self.restore_state("enabled") # Just eat this state if it exists running = self.restore_state("running") try: self.fstore.restore_file(paths.LIMITS_CONF) self.fstore.restore_file(paths.SYSCONFIG_DIRSRV) except ValueError, error: root_logger.debug(error) pass # disabled during IPA installation if enabled: self.enable() serverid = self.restore_state("serverid") if serverid is not None: self.stop_tracking_certificates(serverid) root_logger.debug("Removing DS instance %s" % serverid) try: remove_ds_instance(serverid) root_logger.debug("Removing DS keytab") installutils.remove_file(paths.DS_KEYTAB) except ipautil.CalledProcessError: root_logger.error("Failed to remove DS instance. You may " "need to remove instance data manually") # At one time we removed this user on uninstall. That can potentially # orphan files, or worse, if another useradd runs in the intermim, # cause files to have a new owner. user_exists = self.restore_state("user_exists") # Make sure some upgrade-related state is removed. This could cause # re-installation problems. self.restore_state('nsslapd-port') self.restore_state('nsslapd-security') self.restore_state('nsslapd-ldapiautobind') # If any dirsrv instances remain after we've removed ours then # (re)start them. for ds_instance in get_ds_instances(): try: services.knownservices.dirsrv.restart(ds_instance, wait=False) except Exception, e: root_logger.error('Unable to restart ds instance %s: %s', ds_instance, e) def stop_tracking_certificates(self, serverid=None): if serverid is None: serverid = self.get_state("serverid") if not serverid is None: # drop the trailing / off the config_dirname so the directory # will match what is in certmonger dirname = config_dirname(serverid)[:-1] dsdb = certs.CertDB(self.realm, nssdir=dirname) dsdb.untrack_server_cert(self.nickname) # we could probably move this function into the service.Service # class - it's very generic - all we need is a way to get an # instance of a particular Service def add_ca_cert(self, cacert_fname, cacert_name=''): """Add a CA certificate to the directory server cert db. We first have to shut down the directory server in case it has opened the cert db read-only. Then we use the CertDB class to add the CA cert. We have to provide a nickname, and we do not use 'IPA CA' since that's the default, so we use 'Imported CA' if none specified. Then we restart the server.""" # first make sure we have a valid cacert_fname try: if not os.access(cacert_fname, os.R_OK): root_logger.critical("The given CA cert file named [%s] could not be read" % cacert_fname) return False except OSError, e: root_logger.critical("The given CA cert file named [%s] could not be read: %s" % (cacert_fname, str(e))) return False # ok - ca cert file can be read # shutdown the server self.stop() dirname = config_dirname(installutils.realm_to_serverid(self.realm)) certdb = certs.CertDB(self.realm, nssdir=dirname, subject_base=self.subject_base) if not cacert_name or len(cacert_name) == 0: cacert_name = "Imported CA" # we can't pass in the nickname, so we set the instance variable certdb.cacert_name = cacert_name status = True try: certdb.load_cacert(cacert_fname, 'C,,') except ipautil.CalledProcessError, e: root_logger.critical("Error importing CA cert file named [%s]: %s" % (cacert_fname, str(e))) status = False # restart the directory server self.start() return status def tune_nofile(self, num=8192): """ Increase the number of files descriptors available to directory server from the default 1024 to 8192. This will allow to support a greater number of clients out of the box. """ # Do the platform-specific changes proceed = services.knownservices.dirsrv.tune_nofile_platform( num=num, fstore=self.fstore) if proceed: # finally change also DS configuration # NOTE: dirsrv will not allow you to set max file descriptors unless # the user limits allow it, so we have to restart dirsrv before # attempting to change them in cn=config self.__restart_instance() nf_sub_dict = dict(NOFILES=str(num)) self._ldap_mod("ds-nfiles.ldif", nf_sub_dict) def __tuning(self): self.tune_nofile(8192) def __root_autobind(self): self._ldap_mod("root-autobind.ldif") def __add_sudo_binduser(self): self._ldap_mod("sudobind.ldif", self.sub_dict) def __add_automember_config(self): self._ldap_mod("automember.ldif", self.sub_dict) def __add_replica_automember_config(self): self._ldap_mod("replica-automember.ldif", self.sub_dict) def __add_range_check_plugin(self): self._ldap_mod("range-check-conf.ldif", self.sub_dict) def replica_populate(self): self.ldap_connect() dn = DN(('cn', 'default'), ('ou', 'profile'), self.suffix) try: entry = self.admin_conn.get_entry(dn) srvlist = entry.single_value.get('defaultServerList', '') srvlist = srvlist.split() if not self.fqdn in srvlist: srvlist.append(self.fqdn) attr = ' '.join(srvlist) mod = [(ldap.MOD_REPLACE, 'defaultServerList', attr)] self.admin_conn.modify_s(dn, mod) except errors.NotFound: pass except ldap.TYPE_OR_VALUE_EXISTS: pass self.ldap_disconnect() def find_subject_base(self): """ Try to find the current value of certificate subject base. 1) Look in sysupgrade first 2) If no value is found there, look in DS (start DS if necessary) 3) Last resort, look in the certmap.conf itself 4) If all fails, log loudly and return None Note that this method can only be executed AFTER the ipa server is configured, the api is initialized elsewhere and that a ticket already have been acquired. """ root_logger.debug( 'Trying to find certificate subject base in sysupgrade') subject_base = sysupgrade.get_upgrade_state( 'certmap.conf', 'subject_base') if subject_base: root_logger.debug( 'Found certificate subject base in sysupgrade: %s', subject_base) return subject_base root_logger.debug( 'Unable to find certificate subject base in sysupgrade') root_logger.debug( 'Trying to find certificate subject base in DS') ds_is_running = is_ds_running() if not ds_is_running: try: self.start() ds_is_running = True except ipautil.CalledProcessError as e: root_logger.error('Cannot start DS to find certificate ' 'subject base: %s', e) if ds_is_running: try: api.Backend.ldap2.connect(autobind=True) ret = api.Command['config_show']() subject_base = str( ret['result']['ipacertificatesubjectbase'][0]) root_logger.debug( 'Found certificate subject base in DS: %s', subject_base) except errors.PublicError, e: root_logger.error('Cannot connect to DS to find certificate ' 'subject base: %s', e) finally: try: api.Backend.ldap2.disconnect() except Exception: pass if not subject_base: root_logger.debug('Unable to find certificate subject base in DS') root_logger.debug('Trying to find certificate subject base in ' 'certmap.conf') certmap_dir = config_dirname( installutils.realm_to_serverid(api.env.realm) ) try: with open(os.path.join(certmap_dir, 'certmap.conf')) as f: for line in f: if line.startswith('certmap ipaca'): subject_base = line.strip().split(',')[-1] root_logger.debug( 'Found certificate subject base in certmap.conf: ' '%s', subject_base) except IOError as e: root_logger.error('Cannot open certmap.conf to find certificate ' 'subject base: %s', e.strerror) if subject_base: return subject_base root_logger.debug('Unable to find certificate subject base in ' 'certmap.conf') return None