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-rw-r--r--source4/libnet/libnet_become_dc.c84
1 files changed, 69 insertions, 15 deletions
diff --git a/source4/libnet/libnet_become_dc.c b/source4/libnet/libnet_become_dc.c
index fc46691ab3..0bc0fed335 100644
--- a/source4/libnet/libnet_become_dc.c
+++ b/source4/libnet/libnet_become_dc.c
@@ -629,21 +629,22 @@ static NTSTATUS becomeDC_ldap1_server_object_1(struct libnet_BecomeDC_state *s)
return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
- server_reference_dn_str = samdb_result_string(r->msgs[0], "serverReference", NULL);
- if (!server_reference_dn_str) return NT_STATUS_INVALID_NETWORK_RESPONSE;
- server_reference_dn = ldb_dn_new(r, s->ldap1.ldb, server_reference_dn_str);
- NT_STATUS_HAVE_NO_MEMORY(server_reference_dn);
-
- computer_dn = ldb_dn_new(r, s->ldap1.ldb, s->dest_dsa.computer_dn_str);
- NT_STATUS_HAVE_NO_MEMORY(computer_dn);
-
- /*
- * if the server object belongs to another DC in another domain in the forest,
- * we should not touch this object!
- */
- if (ldb_dn_compare(computer_dn, server_reference_dn) != 0) {
- talloc_free(r);
- return NT_STATUS_OBJECT_NAME_COLLISION;
+ server_reference_dn_str = samdb_result_string(r->msgs[0], "serverReference", NULL);
+ if (server_reference_dn_str) {
+ server_reference_dn = ldb_dn_new(r, s->ldap1.ldb, server_reference_dn_str);
+ NT_STATUS_HAVE_NO_MEMORY(server_reference_dn);
+
+ computer_dn = ldb_dn_new(r, s->ldap1.ldb, s->dest_dsa.computer_dn_str);
+ NT_STATUS_HAVE_NO_MEMORY(computer_dn);
+
+ /*
+ * if the server object belongs to another DC in another domain in the forest,
+ * we should not touch this object!
+ */
+ if (ldb_dn_compare(computer_dn, server_reference_dn) != 0) {
+ talloc_free(r);
+ return NT_STATUS_OBJECT_NAME_COLLISION;
+ }
}
/* if the server object is already for the dest_dsa, then we don't need to create it */
@@ -749,6 +750,56 @@ static NTSTATUS becomeDC_ldap1_server_object_add(struct libnet_BecomeDC_state *s
return NT_STATUS_OK;
}
+static NTSTATUS becomeDC_ldap1_server_object_modify(struct libnet_BecomeDC_state *s)
+{
+ int ret;
+ struct ldb_message *msg;
+ uint32_t i;
+
+ /* make a 'modify' msg, and only for serverReference */
+ msg = ldb_msg_new(s);
+ NT_STATUS_HAVE_NO_MEMORY(msg);
+ msg->dn = ldb_dn_new(msg, s->ldap1.ldb, s->dest_dsa.server_dn_str);
+ NT_STATUS_HAVE_NO_MEMORY(msg->dn);
+
+ ret = ldb_msg_add_string(msg, "serverReference", s->dest_dsa.computer_dn_str);
+ if (ret != 0) {
+ talloc_free(msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* mark all the message elements (should be just one)
+ as LDB_FLAG_MOD_ADD */
+ for (i=0;i<msg->num_elements;i++) {
+ msg->elements[i].flags = LDB_FLAG_MOD_ADD;
+ }
+
+ ret = ldb_modify(s->ldap1.ldb, msg);
+ if (ret == LDB_SUCCESS) {
+ talloc_free(msg);
+ return NT_STATUS_OK;
+ } else if (ret == LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS) {
+ /* retry with LDB_FLAG_MOD_REPLACE */
+ } else {
+ talloc_free(msg);
+ return NT_STATUS_LDAP(ret);
+ }
+
+ /* mark all the message elements (should be just one)
+ as LDB_FLAG_MOD_REPLACE */
+ for (i=0;i<msg->num_elements;i++) {
+ msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
+ }
+
+ ret = ldb_modify(s->ldap1.ldb, msg);
+ talloc_free(msg);
+ if (ret != LDB_SUCCESS) {
+ return NT_STATUS_LDAP(ret);
+ }
+
+ return NT_STATUS_OK;
+}
+
static void becomeDC_connect_ldap2(struct libnet_BecomeDC_state *s);
static void becomeDC_connect_ldap1(struct libnet_BecomeDC_state *s)
@@ -794,6 +845,9 @@ static void becomeDC_connect_ldap1(struct libnet_BecomeDC_state *s)
c->status = becomeDC_ldap1_server_object_add(s);
if (!composite_is_ok(c)) return;
+ c->status = becomeDC_ldap1_server_object_modify(s);
+ if (!composite_is_ok(c)) return;
+
becomeDC_connect_ldap2(s);
}