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-rw-r--r--source4/dsdb/common/util.c21
-rw-r--r--source4/dsdb/samdb/ldb_modules/operational.c153
2 files changed, 167 insertions, 7 deletions
diff --git a/source4/dsdb/common/util.c b/source4/dsdb/common/util.c
index e4e55fc530..771d30a4cd 100644
--- a/source4/dsdb/common/util.c
+++ b/source4/dsdb/common/util.c
@@ -2720,7 +2720,7 @@ int drsuapi_DsReplicaCursor_compare(const struct drsuapi_DsReplicaCursor *c1,
/*
see if a computer identified by its invocationId is a RODC
*/
-int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *invocationId, bool *is_rodc)
+int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *objectGUID, bool *is_rodc)
{
/* 1) find the DN for this servers NTDSDSA object
2) search for the msDS-isRODC attribute
@@ -2740,8 +2740,17 @@ int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *invocationId,
}
ret = dsdb_search(sam_ctx, tmp_ctx, &res, config_dn, LDB_SCOPE_SUBTREE, attrs,
- DSDB_SEARCH_ONE_ONLY, "invocationID=%s", GUID_string(tmp_ctx, invocationId));
+ DSDB_SEARCH_ONE_ONLY, "objectGUID=%s", GUID_string(tmp_ctx, objectGUID));
+
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ *is_rodc = false;
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+ }
+
if (ret != LDB_SUCCESS) {
+ DEBUG(1,(("Failed to find our own NTDS Settings object by objectGUID=%s!\n"),
+ GUID_string(tmp_ctx, objectGUID)));
talloc_free(tmp_ctx);
return ret;
}
@@ -2759,12 +2768,12 @@ int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *invocationId,
*/
int samdb_rodc(struct ldb_context *sam_ctx, bool *am_rodc)
{
- const struct GUID *invocationId;
- invocationId = samdb_ntds_invocation_id(sam_ctx);
- if (!invocationId) {
+ const struct GUID *objectGUID;
+ objectGUID = samdb_ntds_objectGUID(sam_ctx);
+ if (!objectGUID) {
return LDB_ERR_OPERATIONS_ERROR;
}
- return samdb_is_rodc(sam_ctx, invocationId, am_rodc);
+ return samdb_is_rodc(sam_ctx, objectGUID, am_rodc);
}
diff --git a/source4/dsdb/samdb/ldb_modules/operational.c b/source4/dsdb/samdb/ldb_modules/operational.c
index 94fe411157..bc2afa2627 100644
--- a/source4/dsdb/samdb/ldb_modules/operational.c
+++ b/source4/dsdb/samdb/ldb_modules/operational.c
@@ -287,6 +287,156 @@ static int construct_subschema_subentry(struct ldb_module *module,
}
+static int construct_msds_isrodc_with_dn(struct ldb_module *module,
+ struct ldb_message *msg,
+ struct ldb_message_element *object_category)
+{
+ struct ldb_context *ldb;
+ struct ldb_dn *dn;
+ const struct ldb_val *val;
+
+ ldb = ldb_module_get_ctx(module);
+ if (!ldb) {
+ DEBUG(4, (__location__ ": Failed to get ldb \n"));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ dn = ldb_dn_new(msg, ldb, (const char *)object_category->values[0].data);
+ if (!dn) {
+ DEBUG(4, (__location__ ": Failed to create dn from %s \n",
+ (const char *)object_category->values[0].data));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ val = ldb_dn_get_rdn_val(dn);
+ if (!val) {
+ DEBUG(4, (__location__ ": Failed to get rdn val from %s \n",
+ ldb_dn_get_linearized(dn)));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ if (strequal((const char *)val->data, "NTDS-DSA")) {
+ ldb_msg_add_string(msg, "msDS-isRODC", "FALSE");
+ } else {
+ ldb_msg_add_string(msg, "msDS-isRODC", "TRUE");
+ }
+ return LDB_SUCCESS;
+}
+
+static int construct_msds_isrodc_with_server_dn(struct ldb_module *module,
+ struct ldb_message *msg,
+ struct ldb_dn *dn)
+{
+ struct ldb_dn *server_dn;
+ const char *attr_obj_cat[] = { "objectCategory", NULL };
+ struct ldb_result *res;
+ struct ldb_message_element *object_category;
+ int ret;
+
+ server_dn = ldb_dn_copy(msg, dn);
+ if (!ldb_dn_add_child_fmt(server_dn, "CN=NTDS Settings")) {
+ DEBUG(4, (__location__ ": Failed to add child to %s \n",
+ ldb_dn_get_linearized(server_dn)));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = dsdb_module_search_dn(module, msg, &res, server_dn, attr_obj_cat, 0);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ DEBUG(4,(__location__ ": Can't get objectCategory for %s \n",
+ ldb_dn_get_linearized(server_dn)));
+ return LDB_SUCCESS;
+ } else if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ object_category = ldb_msg_find_element(res->msgs[0], "objectCategory");
+ if (!object_category) {
+ DEBUG(4,(__location__ ": Can't find objectCategory for %s \n",
+ ldb_dn_get_linearized(res->msgs[0]->dn)));
+ return LDB_SUCCESS;
+ }
+ return construct_msds_isrodc_with_dn(module, msg, object_category);
+}
+
+static int construct_msds_isrodc_with_computer_dn(struct ldb_module *module,
+ struct ldb_message *msg)
+{
+ struct ldb_context *ldb;
+ const char *attr[] = { "serverReferenceBL", NULL };
+ struct ldb_result *res;
+ int ret;
+ struct ldb_dn *server_dn;
+
+ ret = dsdb_module_search_dn(module, msg, &res, msg->dn, attr, 0);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ DEBUG(4,(__location__ ": Can't get serverReferenceBL for %s \n",
+ ldb_dn_get_linearized(msg->dn)));
+ return LDB_SUCCESS;
+ } else if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ldb = ldb_module_get_ctx(module);
+ if (!ldb) {
+ return LDB_SUCCESS;
+ }
+
+ server_dn = ldb_msg_find_attr_as_dn(ldb, msg, res->msgs[0], "serverReferenceBL");
+ if (!server_dn) {
+ DEBUG(4,(__location__ ": Can't find serverReferenceBL for %s \n",
+ ldb_dn_get_linearized(res->msgs[0]->dn)));
+ return LDB_SUCCESS;
+ }
+ return construct_msds_isrodc_with_server_dn(module, msg, server_dn);
+}
+
+/*
+ construct msDS-isRODC attr
+*/
+static int construct_msds_isrodc(struct ldb_module *module, struct ldb_message *msg)
+{
+ struct ldb_message_element * object_class;
+ struct ldb_message_element * object_category;
+ unsigned int i;
+
+ object_class = ldb_msg_find_element(msg, "objectClass");
+ if (!object_class) {
+ DEBUG(4,(__location__ ": Can't get objectClass for %s \n",
+ ldb_dn_get_linearized(msg->dn)));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ for (i=0; i<object_class->num_values; i++) {
+ if (strequal((const char*)object_class->values[i].data, "nTDSDSA")) {
+ /* If TO!objectCategory equals the DN of the classSchema object for the nTDSDSA
+ * object class, then TO!msDS-isRODC is false. Otherwise, TO!msDS-isRODC is true.
+ */
+ object_category = ldb_msg_find_element(msg, "objectCategory");
+ if (!object_category) {
+ DEBUG(4,(__location__ ": Can't get objectCategory for %s \n",
+ ldb_dn_get_linearized(msg->dn)));
+ return LDB_SUCCESS;
+ }
+ return construct_msds_isrodc_with_dn(module, msg, object_category);
+ }
+ if (strequal((const char*)object_class->values[i].data, "server")) {
+ /* Let TN be the nTDSDSA object whose DN is "CN=NTDS Settings," prepended to
+ * the DN of TO. Apply the previous rule for the "TO is an nTDSDSA object" case,
+ * substituting TN for TO.
+ */
+ return construct_msds_isrodc_with_server_dn(module, msg, msg->dn);
+ }
+ if (strequal((const char*)object_class->values[i].data, "computer")) {
+ /* Let TS be the server object named by TO!serverReferenceBL. Apply the previous
+ * rule for the "TO is a server object" case, substituting TS for TO.
+ */
+ return construct_msds_isrodc_with_computer_dn(module, msg);
+ }
+ }
+
+ return LDB_SUCCESS;
+}
+
/*
a list of attribute names that should be substituted in the parse
tree before the search is done
@@ -317,7 +467,8 @@ static const struct {
{ "primaryGroupToken", "objectClass", "objectSid", construct_primary_group_token },
{ "tokenGroups", "objectSid", "primaryGroupID", construct_token_groups },
{ "parentGUID", NULL, NULL, construct_parent_guid },
- { "subSchemaSubEntry", NULL, NULL, construct_subschema_subentry }
+ { "subSchemaSubEntry", NULL, NULL, construct_subschema_subentry },
+ { "msDS-isRODC", "objectClass", "objectCategory", construct_msds_isrodc }
};
generated by cgit (git 2.34.1) at 2024-12-22 06:54:44 +0000