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-rw-r--r--source4/kdc/db-glue.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/source4/kdc/db-glue.c b/source4/kdc/db-glue.c
index ecb160caf3..cf7e4e460f 100644
--- a/source4/kdc/db-glue.c
+++ b/source4/kdc/db-glue.c
@@ -196,6 +196,7 @@ static krb5_error_code samba_kdc_message2entry_keys(krb5_context context,
TALLOC_CTX *mem_ctx,
struct ldb_message *msg,
uint32_t rid,
+ bool is_rodc,
unsigned int userAccountControl,
enum samba_kdc_ent_type ent_type,
hdb_entry_ex *entry_ex)
@@ -213,7 +214,6 @@ static krb5_error_code samba_kdc_message2entry_keys(krb5_context context,
uint16_t i;
uint16_t allocated_keys = 0;
int rodc_krbtgt_number = 0;
- bool is_rodc = false;
/* Supported Enc for this entry */
uint32_t supported_enctypes = ENC_ALL_TYPES; /* by default, we support all enc types */
@@ -229,9 +229,7 @@ static krb5_error_code samba_kdc_message2entry_keys(krb5_context context,
supported_enctypes);
/* Is this the krbtgt or a RODC */
- if (ldb_msg_find_element(msg, "msDS-SecondaryKrbTgtNumber")) {
- is_rodc = true;
-
+ if (is_rodc) {
rodc_krbtgt_number = ldb_msg_find_attr_as_int(msg, "msDS-SecondaryKrbTgtNumber", -1);
if (rodc_krbtgt_number == -1) {
@@ -541,12 +539,17 @@ static krb5_error_code samba_kdc_message2entry(krb5_context context,
NTSTATUS status;
uint32_t rid;
+ bool is_rodc = false;
struct ldb_message_element *objectclasses;
struct ldb_val computer_val;
const char *samAccountName = ldb_msg_find_attr_as_string(msg, "samAccountName", NULL);
computer_val.data = discard_const_p(uint8_t,"computer");
computer_val.length = strlen((const char *)computer_val.data);
+ if (ldb_msg_find_element(msg, "msDS-SecondaryKrbTgtNumber")) {
+ is_rodc = true;
+ }
+
if (!samAccountName) {
ret = ENOENT;
krb5_set_error_message(context, ret, "samba_kdc_message2entry: no samAccountName present");
@@ -686,6 +689,22 @@ static krb5_error_code samba_kdc_message2entry(krb5_context context,
entry_ex->entry.flags.client = 0;
entry_ex->entry.flags.forwardable = 1;
entry_ex->entry.flags.ok_as_delegate = 1;
+ } else if (is_rodc) {
+ /* The RODC krbtgt account is like the main krbtgt,
+ * but it does not have a changepw or kadmin
+ * service */
+
+ entry_ex->entry.valid_end = NULL;
+ entry_ex->entry.pw_end = NULL;
+
+ /* Also don't allow the RODC krbtgt to be a client (it should not be needed) */
+ entry_ex->entry.flags.client = 0;
+ entry_ex->entry.flags.invalid = 0;
+ entry_ex->entry.flags.server = 1;
+
+ entry_ex->entry.flags.client = 0;
+ entry_ex->entry.flags.forwardable = 0;
+ entry_ex->entry.flags.ok_as_delegate = 0;
} else if (entry_ex->entry.flags.server && ent_type == SAMBA_KDC_ENT_TYPE_SERVER) {
/* The account/password expiry only applies when the account is used as a
* client (ie password login), not when used as a server */
@@ -735,7 +754,7 @@ static krb5_error_code samba_kdc_message2entry(krb5_context context,
/* Get keys from the db */
ret = samba_kdc_message2entry_keys(context, p, msg,
- rid, userAccountControl,
+ rid, is_rodc, userAccountControl,
ent_type, entry_ex);
if (ret) {
/* Could be bougus data in the entry, or out of memory */