kdc: Remove PAC_TYPE_ATTRIBUTES_INFO from RODC-issued tickets

Windows ignores PAC_TYPE_ATTRIBUTES_INFO and always issues a PAC when
presented with an RODC-issued TGT. By removing this PAC buffer from
RODC-issued tickets, we ensure that an RODC-issued ticket will still
result in a PAC if it is first renewed or validated by the main DC.

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 4b60e9516497c2e7f1545fe50887d0336b9893f2)

diff --git a/selftest/knownfail_heimdal_kdc b/selftest/knownfail_heimdal_kdc
index ea08cb44122e11db95178bad4ef8c049a97bb2d8..5e94cb63d7ae0bc142fe09740d294792f1b1460b 100644 (file)
--- a/selftest/knownfail_heimdal_kdc
+++ b/selftest/knownfail_heimdal_kdc
@@ -274,16 +274,6 @@
 ^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_fast_service_ticket
 ^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_fast_sid_mismatch_existing
 ^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_fast_sid_mismatch_nonexisting
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_pac_attrs_rodc_renew_false
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_pac_attrs_rodc_renew_none
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_pac_attrs_rodc_renew_true
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_renew_rodc_revealed
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_rodc_renew_pac_request_false
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_rodc_renew_pac_request_none
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_rodc_renew_pac_request_true
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_rodc_validate_pac_request_false
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_rodc_validate_pac_request_none
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_rodc_validate_pac_request_true
 ^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_s4u2self_pac_request_false
 ^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_tgs_req_from_rodc_no_requester_sid
 ^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_tgs_req_no_requester_sid
@@ -291,6 +281,3 @@
 ^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_tgs_requester_sid_missing_rodc_renew
 ^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_tgs_requester_sid_missing_rodc_validate
 ^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_tgs_requester_sid_missing_validate
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_tgs_requester_sid_rodc_renew
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_tgs_requester_sid_rodc_validate
-^samba.tests.krb5.kdc_tgs_tests.samba.tests.krb5.kdc_tgs_tests.KdcTgsTests.test_validate_rodc_revealed

diff --git a/source4/kdc/wdc-samba4.c b/source4/kdc/wdc-samba4.c
index 17af76f4edb060fbf2edbd4fa7f78f3da01b0f41..713720bcb99c824a28c37af05ee8015e524d630b 100644 (file)
--- a/source4/kdc/wdc-samba4.c
+++ b/source4/kdc/wdc-samba4.c
@@ -579,7 +579,7 @@ static krb5_error_code samba_wdc_reget_pac2(krb5_context context,
                        type_blob = data_blob_const(&zero_byte, 1);
                        break;
                case PAC_TYPE_ATTRIBUTES_INFO:
-                       if (is_krbtgt) {
+                       if (!is_untrusted && is_krbtgt) {
                                /* just copy... */
                                break;
                        } else {