Hot-keys on this page
r m x p toggle line displays
j k next/prev highlighted chunk
0 (zero) top of page
1 (one) first highlighted chunk
# Authors: Sumit Bose <sbose@redhat.com> # # Copyright (C) 2011 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 <http://www.gnu.org/licenses/>. #
dns_zone_exists
WARNING: could not set selinux boolean(s) %(var)s to true. The adtrust service may not function correctly until this boolean is successfully change with the command: /usr/sbin/setsebool -P %(var)s true Try updating the policycoreutils and selinux-policy packages. """
for smbfile in ['/usr/sbin/smbd', '/usr/bin/net', '/usr/bin/smbpasswd']: if not os.path.exists(smbfile): print "%s was not found on this system" % file print "Please install the 'samba' packages and " \ "start the installation again" return False
#TODO: Add check for needed samba4 libraries
return True
try: conf_fd = open('/etc/samba/smb.conf', 'r') except IOError, err: if err.errno == errno.ENOENT: return False
lines = conf_fd.readlines() conf_fd.close() for line in lines: if line.startswith('### Added by IPA Installer ###'): return True return False
# NetBIOS names may not be longer than 15 allowed characters if not s or len(s) > 15 or \ ''.join([c for c in s if c not in ALLOWED_NETBIOS_CHARS]): return False
return True
return ''.join([c for c in s.split('.')[0].upper() \ if c in ALLOWED_NETBIOS_CHARS])[:15]
self.fqdn = None self.ip_address = None self.realm_name = None self.domain_name = None self.netbios_name = None self.no_msdcs = None self.smbd_user = None self.suffix = None self.ldapi_socket = None self.smb_conf = None self.smb_dn = None self.smb_dn_pwd = None self.trust_dn = None self.smb_dom_dn = None self.sub_dict = None self.cifs_principal = None self.cifs_agent = None self.selinux_booleans = None self.rid_base = None self.secondary_rid_base = None
service.Service.__init__(self, "smb", dm_password=dm_password)
if fstore: self.fstore = fstore else: self.fstore = sysrestore.FileStore('/var/lib/ipa/sysrestore')
sub_ids = struct.unpack("<LLL", os.urandom(12)) return "S-1-5-21-%d-%d-%d" % (sub_ids[0], sub_ids[1], sub_ids[2])
admin_dn = str(DN(('uid', 'admin'), api.env.container_user, self.suffix)) admin_group_dn = str(DN(('cn', 'admins'), api.env.container_group, self.suffix))
try: dom_entry = self.admin_conn.getEntry(self.smb_dom_dn, \ ldap.SCOPE_BASE) except errors.NotFound: print "Samba domain object not found" return
dom_sid = dom_entry.getValue(self.ATTR_SID) if not dom_sid: print "Samba domain object does not have a SID" return
try: admin_entry = self.admin_conn.getEntry(admin_dn, ldap.SCOPE_BASE) except: print "IPA admin object not found" return
try: admin_group_entry = self.admin_conn.getEntry(admin_group_dn, \ ldap.SCOPE_BASE) except: print "IPA admin group object not found" return
if admin_entry.getValue(self.ATTR_SID) or \ admin_group_entry.getValue(self.ATTR_SID): print "Admin SID already set, nothing to do" return
try: self.admin_conn.modify_s(admin_dn, \ [(ldap.MOD_ADD, "objectclass", self.OBJC_USER), \ (ldap.MOD_ADD, self.ATTR_SID, dom_sid + "-500")]) except: print "Failed to modify IPA admin object"
try: self.admin_conn.modify_s(admin_group_dn, \ [(ldap.MOD_ADD, "objectclass", self.OBJC_GROUP), \ (ldap.MOD_ADD, self.ATTR_SID, dom_sid + "-512")]) except: print "Failed to modify IPA admin group object"
""" Add RID bases to the range object for the local ID range.
TODO: handle missing or multiple ranges more gracefully. """
try: res = self.admin_conn.search_s(str(DN(api.env.container_ranges, self.suffix)), ldap.SCOPE_ONELEVEL, "(objectclass=ipaDomainIDRange)") if len(res) != 1: root_logger.critical("Found more than one ID range for the " \ "local domain.") raise RuntimeError("Too many ID ranges\n")
if res[0].getValue('ipaBaseRID') or \ res[0].getValue('ipaSecondaryBaseRID'): print "RID bases already set, nothing to do" return
size = res[0].getValue('ipaIDRangeSize') if abs(self.rid_base - self.secondary_rid_base) > size: print "Primary and secondary RID base are too close. " \ "They have to differ at least by %d." % size raise RuntimeError("RID bases too close.\n")
try: self.admin_conn.modify_s(res[0].dn, [(ldap.MOD_ADD, "ipaBaseRID", \ str(self.rid_base)), \ (ldap.MOD_ADD, "ipaSecondaryBaseRID", \ str(self.secondary_rid_base))]) except: print "Failed to add RID bases to the local range object"
except errors.NotFound as e: root_logger.critical("ID range of the local domain not found, " \ "define it and run again.") raise e
try: self.admin_conn.getEntry(self.smb_dom_dn, ldap.SCOPE_BASE) root_logger.info("Samba domain object already exists") return except errors.NotFound: pass
for new_dn in (self.trust_dn, \ str(DN(('cn', 'ad'), self.trust_dn)), \ str(DN(api.env.container_cifsdomains, self.suffix))): try: self.admin_conn.getEntry(new_dn, ldap.SCOPE_BASE) except errors.NotFound: entry = ipaldap.Entry(new_dn) entry.setValues("objectclass", ["nsContainer"]) name = new_dn.split('=')[1].split(',')[0] if not name: print "Cannot extract RDN attribute value from [%s]" % \ new_dn return entry.setValues("cn", name) self.admin_conn.addEntry(entry)
entry = ipaldap.Entry(self.smb_dom_dn) entry.setValues("objectclass", [self.OBJC_DOMAIN, "nsContainer"]) entry.setValues("cn", self.domain_name) entry.setValues(self.ATTR_FLAT_NAME, self.netbios_name) entry.setValues(self.ATTR_SID, self.__gen_sid_string()) entry.setValues(self.ATTR_GUID, str(uuid.uuid4())) #TODO: which MAY attributes do we want to set ? self.admin_conn.addEntry(entry)
self.fstore.backup_file(self.smb_conf)
conf_fd = open(self.smb_conf, "w") conf_fd.write('### Added by IPA Installer ###\n') conf_fd.write('[global]\n') conf_fd.write('config backend = registry\n') conf_fd.close()
try: self._ldap_mod("ipa-cldap-conf.ldif", self.sub_dict) except: pass
try: self._ldap_mod("ipa-sidgen-conf.ldif", self.sub_dict) self._ldap_mod("ipa-sidgen-task-conf.ldif", self.sub_dict) except: pass
try: self._ldap_mod("ipa-extdom-extop-conf.ldif", self.sub_dict) except: pass
template = os.path.join(ipautil.SHARE_DIR, "smb.conf.template") conf = ipautil.template_file(template, self.sub_dict) [tmp_fd, tmp_name] = tempfile.mkstemp() os.write(tmp_fd, conf) os.close(tmp_fd)
args = ["/usr/bin/net", "conf", "import", tmp_name]
try: ipautil.run(args) finally: os.remove(tmp_name)
try: api.Command.service_add(unicode(self.cifs_principal)) # Add the principal to the 'adtrust agents' group # as 389-ds only operates with GroupOfNames, we have to use # the principal's proper dn as defined in self.cifs_agent entry = self.admin_conn.getEntry(self.smb_dn, ldap.SCOPE_BASE) current = ipaldap.Entry(self.smb_dn, entry.toDict()) if not('member' in current): current['member'] = [] entry.setValues("member", current['member'] + [self.cifs_agent]) self.admin_conn.updateEntry(self.smb_dn, current, entry) except Exception, e: # CIFS principal already exists, it is not the first time adtrustinstance is managed # That's fine, we we'll re-extract the key again. pass
samba_keytab = "/etc/samba/samba.keytab" if os.path.exists(samba_keytab): try: ipautil.run(["ipa-rmkeytab", "--principal", self.cifs_principal, "-k", samba_keytab]) except ipautil.CalledProcessError, e: if e.returncode != 5: root_logger.critical("Failed to remove old key for %s" % self.cifs_principal)
try: ipautil.run(["ipa-getkeytab", "--server", self.fqdn, "--principal", self.cifs_principal, "-k", samba_keytab]) except ipautil.CalledProcessError, e: root_logger.critical("Failed to add key for %s" % self.cifs_principal)
""" Add DNS service records for Windows if DNS is enabled and the DNS zone is managed. If there are already service records for LDAP and Kerberos their values are used. Otherwise default values are used. """
zone = self.domain_name host = self.fqdn.split(".")[0]
ipa_srv_rec = ( ("_ldap._tcp", ["0 100 389 %s" % host]), ("_kerberos._tcp", ["0 100 88 %s" % host]), ("_kerberos._udp", ["0 100 88 %s" % host]) ) win_srv_suffix = (".Default-First-Site-Name._sites.dc._msdcs", ".dc._msdcs")
err_msg = None ret = api.Command['dns_is_enabled']() if not ret['result']: err_msg = "DNS management was not enabled at install time." else: if not dns_zone_exists(zone): err_msg = "DNS zone %s cannot be managed " \ "as it is not defined in IPA" % zone
if err_msg: print err_msg print "Add the following service records to your DNS server " \ "for DNS zone %s: " % zone for (srv, rdata) in ipa_srv_rec: for suff in win_srv_suffix: print " - %s%s" % (srv, suff) return
for (srv, rdata) in ipa_srv_rec: ipa_rdata = get_rr(zone, srv, "SRV") if not ipa_rdata: ipa_rdata = rdata
for suff in win_srv_suffix: win_srv = srv+suff win_rdata = get_rr(zone, win_srv, "SRV") if win_rdata: for rec in win_rdata: del_rr(zone, win_srv, "SRV", rec) for rec in ipa_rdata: add_rr(zone, win_srv, "SRV", rec)
selinux = False try: if (os.path.exists('/usr/sbin/selinuxenabled')): ipautil.run(["/usr/sbin/selinuxenabled"]) selinux = True except ipautil.CalledProcessError: # selinuxenabled returns 1 if not enabled pass
if selinux: # Don't assume all booleans are available sebools = [] for var in self.selinux_booleans: try: (stdout, stderr, returncode) = ipautil.run(["/usr/sbin/getsebool", var]) if stdout and not stderr and returncode == 0: self.backup_state(var, stdout.split()[2]) sebools.append(var) except: pass
if sebools: bools = [var + "=true" for var in sebools] args = ["/usr/sbin/setsebool", "-P"] args.extend(bools); try: ipautil.run(args) except: self.print_msg(SELINUX_WARNING % dict(var=','.join(sebools)))
try: self.start() ipaservices.service('winbind').start() except: root_logger.critical("CIFS services failed to start")
self.backup_state("running", self.is_running()) try: self.stop() except: pass
try: ipaservices.knownservices.dirsrv.restart() except: pass
self.backup_state("enabled", self.is_enabled()) # We do not let the system start IPA components on its own, # Instead we reply on the IPA init script to start only enabled # components as found in our LDAP configuration tree try: self.ldap_enable('ADTRUST', self.fqdn, self.dm_password, \ self.suffix) except (ldap.ALREADY_EXISTS, errors.DuplicateEntry), e: root_logger.info("ADTRUST Service startup entry already exists.")
try: self.ldap_enable('EXTID', self.fqdn, self.dm_password, \ self.suffix) except (ldap.ALREADY_EXISTS, errors.DuplicateEntry), e: root_logger.info("EXTID Service startup entry already exists.")
self.sub_dict = dict(REALM = self.realm_name, SUFFIX = self.suffix, NETBIOS_NAME = self.netbios_name, SMB_DN = self.smb_dn, LDAPI_SOCKET = self.ldapi_socket, FQDN = self.fqdn)
rid_base, secondary_rid_base, no_msdcs=False, smbd_user="samba"): self.fqdn = fqdn self.ip_address = ip_address self.realm_name = realm_name self.domain_name = domain_name self.netbios_name = netbios_name self.rid_base = rid_base self.secondary_rid_base = secondary_rid_base self.no_msdcs = no_msdcs self.smbd_user = smbd_user self.suffix = ipautil.realm_to_suffix(self.realm_name) self.ldapi_socket = "%%2fvar%%2frun%%2fslapd-%s.socket" % \ realm_to_serverid(self.realm_name)
self.smb_conf = "/etc/samba/smb.conf"
self.smb_dn = str(DN(('cn', 'adtrust agents'), ('cn', 'sysaccounts'), ('cn', 'etc'), self.suffix))
self.trust_dn = str(DN(api.env.container_trusts, self.suffix)) self.smb_dom_dn = str(DN(('cn', self.domain_name), api.env.container_cifsdomains, self.suffix)) self.cifs_principal = "cifs/" + self.fqdn + "@" + self.realm_name self.cifs_agent = str(DN(('krbprincipalname', self.cifs_principal.lower()), api.env.container_service, self.suffix)) self.selinux_booleans = ["samba_portmapper"]
self.__setup_sub_dict()
self.ldap_connect()
if self.admin_conn.search_s(str(DN(api.env.container_ranges, self.suffix)), ldap.SCOPE_ONELEVEL, "objectclass=ipaDomainIDRange"): return
try: entry = self.admin_conn.getEntry(str(DN(('cn', 'admins'), api.env.container_group, self.suffix)), ldap.SCOPE_BASE) except errors.NotFound: raise ValueError("No local ID range and no admins group found.\n" \ "Add local ID range manually and try again!")
base_id = int(entry.getValue('gidNumber')) id_range_size = 200000
id_filter = "(&" \ "(|(objectclass=posixAccount)" \ "(objectclass=posixGroup)" \ "(objectclass=ipaIDObject))" \ "(|(uidNumber<=%d)(uidNumber>=%d)" \ "(gidNumber<=%d)(gidNumner>=%d)))" % \ ((base_id - 1), (base_id + id_range_size), (base_id - 1), (base_id + id_range_size)) if self.admin_conn.search_s("cn=accounts," + self.suffix, ldap.SCOPE_SUBTREE, id_filter): raise ValueError("There are objects with IDs out of the expected" \ "range.\nAdd local ID range manually and try " \ "again!")
entry = ipaldap.Entry(str(DN(('cn', ('%s_id_range' % self.realm_name)), api.env.container_ranges, self.suffix))) entry.setValue('objectclass', 'ipaDomainIDRange') entry.setValue('cn', ('%s_id_range' % self.realm_name)) entry.setValue('ipaBaseID', str(base_id)) entry.setValue('ipaIDRangeSize', str(id_range_size)) self.admin_conn.addEntry(entry)
self.ldap_connect()
self.step("stopping smbd", self.__stop) self.step("creating samba domain object", \ self.__create_samba_domain_object) self.step("creating samba config registry", self.__write_smb_registry) self.step("writing samba config file", self.__write_smb_conf) self.step("adding cifs Kerberos principal", self.__setup_principal) self.step("adding admin(group) SIDs", self.__add_admin_sids) self.step("adding RID bases", self.__add_rid_bases) self.step("activating CLDAP plugin", self.__add_cldap_module) self.step("activating sidgen plugin and task", self.__add_sidgen_module) self.step("activating extdom plugin", self.__add_extdom_module) self.step("configuring smbd to start on boot", self.__enable) if not self.no_msdcs: self.step("adding special DNS service records", \ self.__add_dns_service_records) self.step("restarting Directory Server to take MS PAC and LDAP plugins changes into account", \ self.__restart_dirsrv) self.step("setting SELinux booleans", \ self.__configure_selinux_for_smbd) self.step("starting CIFS services", self.__start)
self.start_creation("Configuring CIFS:")
if self.is_configured(): self.print_msg("Unconfiguring %s" % self.service_name)
running = self.restore_state("running") enabled = self.restore_state("enabled")
try: self.stop() except: pass
for r_file in [self.smb_conf]: try: self.fstore.restore_file(r_file) except ValueError, error: root_logger.debug(error) pass
for var in self.selinux_booleans: sebool_state = self.restore_state(var) if not sebool_state is None: try: ipautil.run(["/usr/sbin/setsebool", "-P", var, sebool_state]) except: self.print_msg(SELINUX_WARNING % dict(var=var))
if not enabled is None and not enabled: self.disable()
if not running is None and running: self.start() |