URL: https://github.com/freeipa/freeipa/pull/62
Author: simo5
 Title: #62: Configure Anonymous PKINIT on server install
Action: synchronized

To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/62/head:pr62
git checkout pr62
From 25c94d10b85f351be11d1a61d5c94ec03b9f8dc6 Mon Sep 17 00:00:00 2001
From: Simo Sorce <s...@redhat.com>
Date: Tue, 26 Jul 2016 11:19:01 -0400
Subject: [PATCH] Configure Anonymous PKINIT on server install

Allow anonymous pkinit to be used so that unenrolled hosts can perform FAST
authentication (necessary for 2FA for example) using an anonymous krbtgt
obtained via Pkinit.

https://fedorahosted.org/freeipa/ticket/5678

Signed-off-by: Simo Sorce <s...@redhat.com>
---
 install/share/kdc.conf.template              |   2 +-
 install/share/profiles/KDCs_PKINIT_Certs.cfg | 109 +++++++++++++++++++++++++++
 install/share/profiles/Makefile.am           |   1 +
 ipalib/install/certmonger.py                 |  35 ++++++---
 ipaplatform/base/paths.py                    |   3 +-
 ipapython/dogtag.py                          |   4 +
 ipaserver/install/certs.py                   |  10 ++-
 ipaserver/install/krbinstance.py             |  43 +++++++++--
 ipaserver/install/server/__init__.py         |   4 +-
 ipaserver/install/server/install.py          |  26 ++++---
 ipaserver/install/server/replicainstall.py   |   4 +-
 ipaserver/plugins/cert.py                    |  65 +++++++++++++---
 ipaserver/plugins/dogtag.py                  |   2 +
 13 files changed, 263 insertions(+), 45 deletions(-)
 create mode 100644 install/share/profiles/KDCs_PKINIT_Certs.cfg

diff --git a/install/share/kdc.conf.template b/install/share/kdc.conf.template
index 296b75b..ec53a1f 100644
--- a/install/share/kdc.conf.template
+++ b/install/share/kdc.conf.template
@@ -12,6 +12,6 @@
   dict_file = $DICT_WORDS
   default_principal_flags = +preauth
 ;  admin_keytab = $KRB5KDC_KADM5_KEYTAB
-  pkinit_identity = FILE:$KDC_PEM
+  pkinit_identity = FILE:$KDC_CERT,$KDC_KEY
   pkinit_anchors = FILE:$CACERT_PEM
  }
diff --git a/install/share/profiles/KDCs_PKINIT_Certs.cfg b/install/share/profiles/KDCs_PKINIT_Certs.cfg
new file mode 100644
index 0000000..c5e412b
--- /dev/null
+++ b/install/share/profiles/KDCs_PKINIT_Certs.cfg
@@ -0,0 +1,109 @@
+profileId=KDCs_PKINIT_Certs
+classId=caEnrollImpl
+desc=This certificate profile is for enrolling server certificates with IPA-RA agent authentication.
+visible=false
+enable=true
+enableBy=admin
+auth.instance_id=raCertAuth
+name=IPA-RA Agent-Authenticated Server Certificate Enrollment
+input.list=i1,i2
+input.i1.class_id=certReqInputImpl
+input.i2.class_id=submitterInfoInputImpl
+output.list=o1
+output.o1.class_id=certOutputImpl
+policyset.list=serverCertSet
+policyset.serverCertSet.list=1,2,3,4,5,6,7,8,9,10,11
+policyset.serverCertSet.1.constraint.class_id=subjectNameConstraintImpl
+policyset.serverCertSet.1.constraint.name=Subject Name Constraint
+policyset.serverCertSet.1.constraint.params.pattern=CN=[^,]+,.+
+policyset.serverCertSet.1.constraint.params.accept=true
+policyset.serverCertSet.1.default.class_id=subjectNameDefaultImpl
+policyset.serverCertSet.1.default.name=Subject Name Default
+policyset.serverCertSet.1.default.params.name=CN=$$request.req_subject_name.cn$$, $SUBJECT_DN_O
+policyset.serverCertSet.2.constraint.class_id=validityConstraintImpl
+policyset.serverCertSet.2.constraint.name=Validity Constraint
+policyset.serverCertSet.2.constraint.params.range=740
+policyset.serverCertSet.2.constraint.params.notBeforeCheck=false
+policyset.serverCertSet.2.constraint.params.notAfterCheck=false
+policyset.serverCertSet.2.default.class_id=validityDefaultImpl
+policyset.serverCertSet.2.default.name=Validity Default
+policyset.serverCertSet.2.default.params.range=731
+policyset.serverCertSet.2.default.params.startTime=0
+policyset.serverCertSet.3.constraint.class_id=keyConstraintImpl
+policyset.serverCertSet.3.constraint.name=Key Constraint
+policyset.serverCertSet.3.constraint.params.keyType=RSA
+policyset.serverCertSet.3.constraint.params.keyParameters=2048,3072,4096
+policyset.serverCertSet.3.default.class_id=userKeyDefaultImpl
+policyset.serverCertSet.3.default.name=Key Default
+policyset.serverCertSet.4.constraint.class_id=noConstraintImpl
+policyset.serverCertSet.4.constraint.name=No Constraint
+policyset.serverCertSet.4.default.class_id=authorityKeyIdentifierExtDefaultImpl
+policyset.serverCertSet.4.default.name=Authority Key Identifier Default
+policyset.serverCertSet.5.constraint.class_id=noConstraintImpl
+policyset.serverCertSet.5.constraint.name=No Constraint
+policyset.serverCertSet.5.default.class_id=authInfoAccessExtDefaultImpl
+policyset.serverCertSet.5.default.name=AIA Extension Default
+policyset.serverCertSet.5.default.params.authInfoAccessADEnable_0=true
+policyset.serverCertSet.5.default.params.authInfoAccessADLocationType_0=URIName
+policyset.serverCertSet.5.default.params.authInfoAccessADLocation_0=http://$IPA_CA_RECORD.$DOMAIN/ca/ocsp
+policyset.serverCertSet.5.default.params.authInfoAccessADMethod_0=1.3.6.1.5.5.7.48.1
+policyset.serverCertSet.5.default.params.authInfoAccessCritical=false
+policyset.serverCertSet.5.default.params.authInfoAccessNumADs=1
+policyset.serverCertSet.6.constraint.class_id=keyUsageExtConstraintImpl
+policyset.serverCertSet.6.constraint.name=Key Usage Extension Constraint
+policyset.serverCertSet.6.constraint.params.keyUsageCritical=true
+policyset.serverCertSet.6.constraint.params.keyUsageDigitalSignature=true
+policyset.serverCertSet.6.constraint.params.keyUsageNonRepudiation=true
+policyset.serverCertSet.6.constraint.params.keyUsageDataEncipherment=true
+policyset.serverCertSet.6.constraint.params.keyUsageKeyEncipherment=true
+policyset.serverCertSet.6.constraint.params.keyUsageKeyAgreement=false
+policyset.serverCertSet.6.constraint.params.keyUsageKeyCertSign=false
+policyset.serverCertSet.6.constraint.params.keyUsageCrlSign=false
+policyset.serverCertSet.6.constraint.params.keyUsageEncipherOnly=false
+policyset.serverCertSet.6.constraint.params.keyUsageDecipherOnly=false
+policyset.serverCertSet.6.default.class_id=keyUsageExtDefaultImpl
+policyset.serverCertSet.6.default.name=Key Usage Default
+policyset.serverCertSet.6.default.params.keyUsageCritical=true
+policyset.serverCertSet.6.default.params.keyUsageDigitalSignature=true
+policyset.serverCertSet.6.default.params.keyUsageNonRepudiation=true
+policyset.serverCertSet.6.default.params.keyUsageDataEncipherment=true
+policyset.serverCertSet.6.default.params.keyUsageKeyEncipherment=true
+policyset.serverCertSet.6.default.params.keyUsageKeyAgreement=false
+policyset.serverCertSet.6.default.params.keyUsageKeyCertSign=false
+policyset.serverCertSet.6.default.params.keyUsageCrlSign=false
+policyset.serverCertSet.6.default.params.keyUsageEncipherOnly=false
+policyset.serverCertSet.6.default.params.keyUsageDecipherOnly=false
+policyset.serverCertSet.7.constraint.class_id=noConstraintImpl
+policyset.serverCertSet.7.constraint.name=No Constraint
+policyset.serverCertSet.7.default.class_id=extendedKeyUsageExtDefaultImpl
+policyset.serverCertSet.7.default.name=Extended Key Usage Extension Default
+policyset.serverCertSet.7.default.params.exKeyUsageCritical=false
+policyset.serverCertSet.7.default.params.exKeyUsageOIDs=1.3.6.1.5.5.7.3.1,1.3.6.1.5.2.3.5
+policyset.serverCertSet.8.constraint.class_id=signingAlgConstraintImpl
+policyset.serverCertSet.8.constraint.name=No Constraint
+policyset.serverCertSet.8.constraint.params.signingAlgsAllowed=SHA1withRSA,SHA256withRSA,SHA512withRSA,SHA1withDSA,SHA1withEC,SHA256withEC,SHA384withEC,SHA512withEC
+policyset.serverCertSet.8.default.class_id=signingAlgDefaultImpl
+policyset.serverCertSet.8.default.name=Signing Alg
+policyset.serverCertSet.8.default.params.signingAlg=-
+policyset.serverCertSet.9.constraint.class_id=noConstraintImpl
+policyset.serverCertSet.9.constraint.name=No Constraint
+policyset.serverCertSet.9.default.class_id=crlDistributionPointsExtDefaultImpl
+policyset.serverCertSet.9.default.name=CRL Distribution Points Extension Default
+policyset.serverCertSet.9.default.params.crlDistPointsCritical=false
+policyset.serverCertSet.9.default.params.crlDistPointsNum=1
+policyset.serverCertSet.9.default.params.crlDistPointsEnable_0=true
+policyset.serverCertSet.9.default.params.crlDistPointsIssuerName_0=$CRL_ISSUER
+policyset.serverCertSet.9.default.params.crlDistPointsIssuerType_0=DirectoryName
+policyset.serverCertSet.9.default.params.crlDistPointsPointName_0=http://$IPA_CA_RECORD.$DOMAIN/ipa/crl/MasterCRL.bin
+policyset.serverCertSet.9.default.params.crlDistPointsPointType_0=URIName
+policyset.serverCertSet.9.default.params.crlDistPointsReasons_0=
+policyset.serverCertSet.10.constraint.class_id=noConstraintImpl
+policyset.serverCertSet.10.constraint.name=No Constraint
+policyset.serverCertSet.10.default.class_id=subjectKeyIdentifierExtDefaultImpl
+policyset.serverCertSet.10.default.name=Subject Key Identifier Extension Default
+policyset.serverCertSet.10.default.params.critical=false
+policyset.serverCertSet.11.constraint.class_id=noConstraintImpl
+policyset.serverCertSet.11.constraint.name=No Constraint
+policyset.serverCertSet.11.default.class_id=userExtensionDefaultImpl
+policyset.serverCertSet.11.default.name=User Supplied Extension Default
+policyset.serverCertSet.11.default.params.userExtOID=2.5.29.17
diff --git a/install/share/profiles/Makefile.am b/install/share/profiles/Makefile.am
index d1c1bac..640ca0a 100644
--- a/install/share/profiles/Makefile.am
+++ b/install/share/profiles/Makefile.am
@@ -4,6 +4,7 @@ appdir = $(IPA_DATA_DIR)/profiles
 app_DATA =				\
 	caIPAserviceCert.cfg		\
 	IECUserRoles.cfg		\
+	KDCs_PKINIT_Certs.cfg		\
 	$(NULL)
 
 EXTRA_DIST =				\
diff --git a/ipalib/install/certmonger.py b/ipalib/install/certmonger.py
index 3ea900b..07b6041 100644
--- a/ipalib/install/certmonger.py
+++ b/ipalib/install/certmonger.py
@@ -317,23 +317,29 @@ def request_and_wait_for_cert(
 
 
 def request_cert(
-        nssdb, nickname, subject, principal, passwd_fname=None,
-        dns=None, ca='IPA', profile=None, pre_command=None, post_command=None):
+        certpath, nickname, subject, principal, passwd_fname=None,
+        dns=None, ca='IPA', profile=None,
+        pre_command=None, post_command=None, storage='NSSDB'):
     """
     Execute certmonger to request a server certificate.
 
     ``dns``
         A sequence of DNS names to appear in SAN request extension.
     """
+    if storage == 'FILE':
+        certfile, keyfile = certpath
+    else:
+        certfile = certpath
+        keyfile = certpath
+
     cm = _certmonger()
     ca_path = cm.obj_if.find_ca_by_nickname(ca)
     if not ca_path:
         raise RuntimeError('{} CA not found'.format(ca))
-    request_parameters = dict(KEY_STORAGE='NSSDB', CERT_STORAGE='NSSDB',
-                              CERT_LOCATION=nssdb, CERT_NICKNAME=nickname,
-                              KEY_LOCATION=nssdb, KEY_NICKNAME=nickname,
-                              SUBJECT=subject,
-                              CA=ca_path)
+    request_parameters = dict(KEY_STORAGE=storage, CERT_STORAGE=storage,
+                              CERT_LOCATION=certfile, CERT_NICKNAME=nickname,
+                              KEY_LOCATION=keyfile, KEY_NICKNAME=nickname,
+                              SUBJECT=subject, CA=ca_path)
     if principal:
         request_parameters['PRINCIPAL'] = [principal]
     if dns is not None and len(dns) > 0:
@@ -408,20 +414,27 @@ def start_tracking(nickname, secdir, password_file=None, command=None):
     return request.prop_if.Get(DBUS_CM_REQUEST_IF, 'nickname')
 
 
-def stop_tracking(secdir, request_id=None, nickname=None):
+def stop_tracking(secdir=None, request_id=None, nickname=None, certfile=None):
     """
     Stop tracking the current request using either the request_id or nickname.
 
     Returns True or False
     """
-    if request_id is None and nickname is None:
-        raise RuntimeError('Both request_id and nickname are missing.')
+    if request_id is None and nickname is None and certfile is None:
+        raise RuntimeError('One of request_id, nickname and certfile is'
+                           ' required.')
+    if secdir is not None and certfile is not None:
+        raise RuntimeError("Can't specify both secdir and certfile.")
 
-    criteria = {'cert-database': secdir}
+    criteria = dict()
+    if secdir:
+        criteria['cert-database'] = secdir
     if request_id:
         criteria['nickname'] = request_id
     if nickname:
         criteria['cert-nickname'] = nickname
+    if certfile:
+        criteria['cert-file'] = certfile
     try:
         request = _get_request(criteria)
     except RuntimeError as e:
diff --git a/ipaplatform/base/paths.py b/ipaplatform/base/paths.py
index f85a2aa..896fa9d 100644
--- a/ipaplatform/base/paths.py
+++ b/ipaplatform/base/paths.py
@@ -240,7 +240,8 @@ class BasePathNamespace(object):
     KRB5KDC_KADM5_ACL = "/var/kerberos/krb5kdc/kadm5.acl"
     KRB5KDC_KADM5_KEYTAB = "/var/kerberos/krb5kdc/kadm5.keytab"
     KRB5KDC_KDC_CONF = "/var/kerberos/krb5kdc/kdc.conf"
-    KDC_PEM = "/var/kerberos/krb5kdc/kdc.pem"
+    KDC_CERT = "/var/kerberos/krb5kdc/kdc.crt"
+    KDC_KEY = "/var/kerberos/krb5kdc/kdc.key"
     VAR_LIB = "/var/lib"
     AUTHCONFIG_LAST = "/var/lib/authconfig/last"
     VAR_LIB_CERTMONGER_DIR = "/var/lib/certmonger"
diff --git a/ipapython/dogtag.py b/ipapython/dogtag.py
index f4f1955..eb1f73e 100644
--- a/ipapython/dogtag.py
+++ b/ipapython/dogtag.py
@@ -48,9 +48,13 @@
 INCLUDED_PROFILES = {
     Profile(u'caIPAserviceCert', u'Standard profile for network services', True),
     Profile(u'IECUserRoles', u'User profile that includes IECUserRoles extension from request', True),
+    Profile(u'KDCs_PKINIT_Certs',
+            u'Profile for PKINIT support by KDCs',
+            False),
     }
 
 DEFAULT_PROFILE = u'caIPAserviceCert'
+KDC_PROFILE = u'KDCs_PKINIT_Certs'
 
 
 def error_from_xml(doc, message_template):
diff --git a/ipaserver/install/certs.py b/ipaserver/install/certs.py
index 45602ba..02b03d4 100644
--- a/ipaserver/install/certs.py
+++ b/ipaserver/install/certs.py
@@ -633,7 +633,13 @@ def init_from_pkcs12(self, pkcs12_fname, pkcs12_passwd,
 
     def install_pem_from_p12(self, p12_fname, p12_passwd, pem_fname):
         pwd = ipautil.write_tmp_file(p12_passwd)
-        ipautil.run([paths.OPENSSL, "pkcs12", "-nodes",
+        ipautil.run([paths.OPENSSL, "pkcs12", "-nokeys",
+                     "-in", p12_fname, "-out", pem_fname,
+                     "-passin", "file:" + pwd.name])
+
+    def install_key_from_p12(self, p12_fname, p12_passwd, pem_fname):
+        pwd = ipautil.write_tmp_file(p12_passwd)
+        ipautil.run([paths.OPENSSL, "pkcs12", "-nodes", "-nocerts",
                      "-in", p12_fname, "-out", pem_fname,
                      "-passin", "file:" + pwd.name])
 
@@ -647,7 +653,7 @@ def export_pem_cert(self, nickname, location):
     def request_service_cert(self, nickname, principal, host, pwdconf=False):
         if pwdconf:
             self.create_password_conf()
-        certmonger.request_and_wait_for_cert(nssdb=self.secdir,
+        certmonger.request_and_wait_for_cert(certpath=self.secdir,
                                              nickname=nickname,
                                              principal=principal,
                                              subject=host,
diff --git a/ipaserver/install/krbinstance.py b/ipaserver/install/krbinstance.py
index 8de92f7..aa39b69 100644
--- a/ipaserver/install/krbinstance.py
+++ b/ipaserver/install/krbinstance.py
@@ -32,6 +32,8 @@
 from ipapython import ipautil
 from ipapython import kernel_keyring
 from ipalib import api
+from ipapython import certmonger
+from ipalib.constants import CACERT
 from ipapython.ipa_log_manager import root_logger
 from ipapython.dn import DN
 
@@ -153,12 +155,14 @@ def create_instance(self, realm_name, host_name, domain_name, admin_password, ma
         self.step("creating a keytab for the directory", self.__create_ds_keytab)
         self.step("creating a keytab for the machine", self.__create_host_keytab)
         self.step("adding the password extension to the directory", self.__add_pwd_extop_module)
-        if setup_pkinit:
-            self.step("creating X509 Certificate for PKINIT", self.__setup_pkinit)
-            self.step("creating principal for anonymous PKINIT", self.__add_anonymous_pkinit_principal)
 
         self.__common_post_setup()
 
+        if setup_pkinit:
+            self.step("installing X509 Certificate for PKINIT", self.__setup_pkinit)
+            self.step("creating principal for anonymous PKINIT",
+                      self.__add_anonymous_pkinit_principal)
+
         self.start_creation(runtime=30)
 
         self.kpasswd = KpasswdInstance()
@@ -214,7 +218,8 @@ def __setup_sub_dict(self):
                              KRB5KDC_KADM5_ACL=paths.KRB5KDC_KADM5_ACL,
                              DICT_WORDS=paths.DICT_WORDS,
                              KRB5KDC_KADM5_KEYTAB=paths.KRB5KDC_KADM5_KEYTAB,
-                             KDC_PEM=paths.KDC_PEM,
+                             KDC_CERT=paths.KDC_CERT,
+                             KDC_KEY=paths.KDC_KEY,
                              CACERT_PEM=paths.CACERT_PEM)
 
         # IPA server/KDC is not a subdomain of default domain
@@ -339,15 +344,29 @@ def __create_host_keytab(self):
         self.move_service_to_host(host_principal)
 
     def __setup_pkinit(self):
+        shutil.copyfile(CACERT, paths.CACERT_PEM)
+
         ca_db = certs.CertDB(self.realm, host_name=self.fqdn,
                                 subject_base=self.subject_base)
 
         if self.pkcs12_info:
             ca_db.install_pem_from_p12(self.pkcs12_info[0],
                                        self.pkcs12_info[1],
-                                       paths.KDC_PEM)
+                                       paths.KDC_CERT)
+            ca_db.install_key_from_p12(self.pkcs12_info[0],
+                                       self.pkcs12_info[1],
+                                       paths.KDC_KEY)
         else:
-            raise RuntimeError("PKI not supported yet\n")
+            subject = str(DN(('cn', self.fqdn), self.subject_base))
+            krbtgt = "krbtgt/" + self.realm + "@" + self.realm
+            reqid = certmonger.request_cert((paths.KDC_CERT, paths.KDC_KEY),
+                                            u'KDC-Cert', subject, krbtgt,
+                                            dns=self.fqdn, storage='FILE',
+                                            profile='KDCs_PKINIT_Certs')
+            try:
+                certmonger.wait_for_request(reqid)
+            except RuntimeError as e:
+                root_logger.error("Failed to wait for request: %s", e)
 
         # Finally copy the cacert in the krb directory so we don't
         # have any selinux issues with the file context
@@ -364,6 +383,9 @@ def __add_anonymous_pkinit_principal(self):
         entry['nsAccountlock'] = ['TRUE']
         api.Backend.ldap2.update_entry(entry)
 
+    def setup_pkinit(self):
+        self.__setup_pkinit()
+
     def __convert_to_gssapi_replication(self):
         repl = replication.ReplicationManager(self.realm,
                                               self.fqdn,
@@ -372,6 +394,9 @@ def __convert_to_gssapi_replication(self):
                                            r_binddn=DN(('cn', 'Directory Manager')),
                                            r_bindpw=self.dm_password)
 
+    def stop_tracking_certs(self):
+        certmonger.stop_tracking(certfile=paths.KDC_CERT)
+
     def uninstall(self):
         if self.is_configured():
             self.print_msg("Unconfiguring %s" % self.service_name)
@@ -394,6 +419,12 @@ def uninstall(self):
         if enabled:
             self.enable()
 
+        # stop tracking and remove certificates
+        self.stop_tracking_certs()
+        installutils.remove_file(paths.CACERT_PEM)
+        installutils.remove_file(paths.KDC_CERT)
+        installutils.remove_file(paths.KDC_KEY)
+
         if running:
             self.restart()
 
diff --git a/ipaserver/install/server/__init__.py b/ipaserver/install/server/__init__.py
index c518ec9..19052d3 100644
--- a/ipaserver/install/server/__init__.py
+++ b/ipaserver/install/server/__init__.py
@@ -545,8 +545,8 @@ def __init__(self, **kwargs):
                         "You must specify at least one of --forwarder, "
                         "--auto-forwarders, or --no-forwarders options")
 
-        # Automatically disable pkinit w/ dogtag until that is supported
-        self.no_pkinit = True
+        # Automatically enable pkinit w/ dogtag
+        self.no_pkinit = not self.setup_ca
 
 
 class ServerMasterInstall(installs_master(ServerInstallInterface)):
diff --git a/ipaserver/install/server/install.py b/ipaserver/install/server/install.py
index b30a934..40ab205 100644
--- a/ipaserver/install/server/install.py
+++ b/ipaserver/install/server/install.py
@@ -521,6 +521,11 @@ def install_check(installer):
         dirsrv_pkcs12_info = (dirsrv_pkcs12_file.name, dirsrv_pin)
 
     if options.pkinit_cert_files:
+        if not options.no_pkinit:
+            sys.exit("Cannot create KDC PKINIT certificate and use provided "
+                     "external PKINIT certificate at the same time. Please "
+                     "choose one of them")
+
         if options.pkinit_pin is None:
             options.pkinit_pin = read_password(
                 "Enter Kerberos KDC private key unlock",
@@ -792,17 +797,11 @@ def install(installer):
     ds.enable_ssl()
 
     krb = krbinstance.KrbInstance(fstore)
-    if options.pkinit_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)
-    else:
-        krb.create_instance(realm_name, host_name, domain_name,
-                            dm_password, master_password,
-                            setup_pkinit=not options.no_pkinit,
-                            subject_base=options.subject)
+    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)
 
     # restart DS to enable ipa-pwd-extop plugin
     print("Restarting directory server to enable password extension plugin")
@@ -855,7 +854,10 @@ def install(installer):
     service.print_msg("Applying LDAP updates")
     ds.apply_updates()
 
-    # Restart krb after configurations have been changed
+    # Restart ds and krb after configurations have been changed
+    service.print_msg("Restarting the directory server")
+    ds.restart()
+
     service.print_msg("Restarting the KDC")
     krb.restart()
 
diff --git a/ipaserver/install/server/replicainstall.py b/ipaserver/install/server/replicainstall.py
index f1f7b1b..0cd3468 100644
--- a/ipaserver/install/server/replicainstall.py
+++ b/ipaserver/install/server/replicainstall.py
@@ -124,7 +124,9 @@ def install_krb(config, setup_pkinit=False, promote=False):
     krb.create_replica(config.realm_name,
                        config.master_host_name, config.host_name,
                        config.domain_name, config.dirman_password,
-                       setup_pkinit, pkcs12_info, promote=promote)
+                       setup_pkinit, pkcs12_info,
+                       subject_base=config.subject_base,
+                       promote=promote)
 
     return krb
 
diff --git a/ipaserver/plugins/cert.py b/ipaserver/plugins/cert.py
index 3571ef1..a2bbff4 100644
--- a/ipaserver/plugins/cert.py
+++ b/ipaserver/plugins/cert.py
@@ -144,11 +144,12 @@
 
 """)
 
-USER, HOST, SERVICE = range(3)
+USER, HOST, KRBTGT, SERVICE = range(4)
 
 PRINCIPAL_TYPE_STRING_MAP = {
     USER: _('user'),
     HOST: _('host'),
+    KRBTGT: _('krbtgt'),
     SERVICE: _('service'),
 }
 
@@ -216,6 +217,16 @@ def caacl_check(principal_type, principal, ca, profile_id):
         )
 
 
+def ca_kdc_check(ldap, basedn, hostname):
+    kdc_master_dn = DN(('cn', 'KDC'), ('cn', hostname),
+                       ('cn', 'masters'), ('cn', 'ipa'), ('cn', 'etc'),
+                       basedn)
+    try:
+        ldap.get_entry(kdc_master_dn, ['objectclass'])
+    except errors.NotFound:
+        raise errors.ACIError(info=_(
+                "Host '%(hostname)s' is not a KDC") % dict(hostname=hostname))
+
 def validate_certificate(value):
     return x509.validate_certificate(value, x509.DER)
 
@@ -533,6 +544,8 @@ def execute(self, csr, all=False, raw=False, **kw):
         ca_enabled_check()
 
         ldap = self.api.Backend.ldap2
+        basedn = self.api.env.basedn
+        realm = unicode(self.api.env.realm)
         add = kw.get('add')
         request_type = kw.get('request_type')
         profile_id = kw.get('profile_id', self.Backend.ra.DEFAULT_PROFILE)
@@ -563,6 +576,12 @@ def execute(self, csr, all=False, raw=False, **kw):
             principal_type = USER
         elif principal.is_host:
             principal_type = HOST
+        elif principal.service_name == 'krbtgt':
+            principal_type = KRBTGT
+            if profile_id != self.Backend.ra.KDC_PROFILE:
+                raise errors.ACIError(
+                    info=_("krbtgt certs can use only the %s profile") % (
+                           self.Backend.ra.KDC_PROFILE))
         else:
             principal_type = SERVICE
 
@@ -589,7 +608,10 @@ def execute(self, csr, all=False, raw=False, **kw):
             bypass_caacl = False
 
         if not bypass_caacl:
-            caacl_check(principal_type, principal, ca, profile_id)
+            if principal_type == KRBTGT:
+                ca_kdc_check(ldap, basedn, bind_principal.hostname)
+            else:
+                caacl_check(principal_type, principal, ca, profile_id)
 
         try:
             csr_obj = pkcs10.load_certificate_request(csr)
@@ -616,6 +638,11 @@ def execute(self, csr, all=False, raw=False, **kw):
         try:
             if principal_type == SERVICE:
                 principal_obj = api.Command['service_show'](principal_string, all=True)
+            elif principal_type == KRBTGT:
+                # Allow only our own realm krbtgt for now, no trusted realm's.
+                if principal != kerberos.Principal((u'krbtgt', realm),
+                                                   realm=realm):
+                    raise errors.NotFound("Not our realm's krbtgt")
             elif principal_type == HOST:
                 principal_obj = api.Command['host_show'](
                     principal.hostname, all=True)
@@ -635,8 +662,9 @@ def execute(self, csr, all=False, raw=False, **kw):
             else:
                 raise errors.NotFound(
                     reason=_("The principal for this request doesn't exist."))
-        principal_obj = principal_obj['result']
-        dn = principal_obj['dn']
+        if principal_obj:
+            principal_obj = principal_obj['result']
+            dn = principal_obj['dn']
 
         # Ensure that the DN in the CSR matches the principal
         #
@@ -654,6 +682,13 @@ def execute(self, csr, all=False, raw=False, **kw):
                     info=_("hostname in subject of request '%(cn)s' "
                         "does not match principal hostname '%(hostname)s'")
                         % dict(cn=cn, hostname=principal.hostname))
+        elif principal_type == KRBTGT and not bypass_caacl:
+            if cn.lower() != bind_principal.hostname.lower():
+                raise errors.ACIError(
+                    info=_("hostname in subject of request '%(cn)s' "
+                           "does not match principal hostname "
+                           "'%(hostname)s'") % dict(
+                                cn=cn, hostname=bind_principal.hostname))
         elif principal_type == USER:
             # check user name
             if cn != principal.username:
@@ -675,10 +710,12 @@ def execute(self, csr, all=False, raw=False, **kw):
                         "any of user's email addresses")
                 )
 
-        # We got this far so the principal entry exists, can we write it?
-        if not ldap.can_write(dn, "usercertificate"):
-            raise errors.ACIError(info=_("Insufficient 'write' privilege "
-                "to the 'userCertificate' attribute of entry '%s'.") % dn)
+        if principal_type != KRBTGT:
+            # We got this far so the principal entry exists, can we write it?
+            if not ldap.can_write(dn, "usercertificate"):
+                raise errors.ACIError(
+                    info=_("Insufficient 'write' privilege to the "
+                           "'userCertificate' attribute of entry '%s'.") % dn)
 
         # Validate the subject alt name, if any
         generalnames = []
@@ -694,6 +731,9 @@ def execute(self, csr, all=False, raw=False, **kw):
                         alt_principal = kerberos.Principal(
                             (u'host', name), principal.realm)
                         alt_principal_obj = api.Command['host_show'](name, all=True)
+                    elif principal_type == KRBTGT:
+                        alt_principal = kerberos.Principal(
+                            (u'host', name), principal.realm)
                     elif principal_type == SERVICE:
                         alt_principal = kerberos.Principal(
                             (principal.service_name, name), principal.realm)
@@ -720,7 +760,11 @@ def execute(self, csr, all=False, raw=False, **kw):
                             "Insufficient privilege to create a certificate "
                             "with subject alt name '%s'.") % name)
                 if alt_principal is not None and not bypass_caacl:
-                    caacl_check(principal_type, alt_principal, ca, profile_id)
+                    if principal_type == KRBTGT:
+                        ca_kdc_check(ldap, basedn, alt_principal.hostname)
+                    else:
+                        caacl_check(principal_type, alt_principal, ca,
+                                    profile_id)
             elif isinstance(gn, (x509.KRB5PrincipalName, x509.UPN)):
                 if gn.name != principal_string:
                     raise errors.ACIError(
@@ -780,6 +824,9 @@ def execute(self, csr, all=False, raw=False, **kw):
                 api.Command['host_mod'](principal.hostname, **kwargs)
             elif principal_type == USER:
                 api.Command['user_mod'](principal.username, **kwargs)
+            elif principal_type == KRBTGT:
+                root_logger.error("Profiles used to store cert should't be "
+                                  "used for krbtgt certificates")
 
         return dict(
             result=result,
diff --git a/ipaserver/plugins/dogtag.py b/ipaserver/plugins/dogtag.py
index 0bdb4da..3d0838c 100644
--- a/ipaserver/plugins/dogtag.py
+++ b/ipaserver/plugins/dogtag.py
@@ -1225,6 +1225,8 @@ class ra_certprofile(RestClient):
             profile_api.create_profile(...)
 
     """
+    DEFAULT_PROFILE = dogtag.DEFAULT_PROFILE
+    KDC_PROFILE = dogtag.KDC_PROFILE
     path = None
 
     @staticmethod
-- 
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