rootDSE ldb module
Copyright (C) Andrew Tridgell 2005
+ Copyright (C) Simo Sorce 2005-2008
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "lib/ldb/include/ldb.h"
-#include "lib/ldb/include/ldb_errors.h"
-#include "lib/ldb/include/ldb_private.h"
-#include <time.h>
+#include "lib/ldb/include/ldb_module.h"
+#include "system/time.h"
+#include "dsdb/samdb/samdb.h"
+#include "version.h"
+
+struct private_data {
+ int num_controls;
+ char **controls;
+ int num_partitions;
+ struct ldb_dn **partitions;
+};
/*
return 1 if a specific attribute has been requested
ldb_attr_in_list(attrs, "*");
}
+static int do_attribute_explicit(const char * const *attrs, const char *name)
+{
+ return attrs != NULL && ldb_attr_in_list(attrs, name);
+}
+
+
+/*
+ expand a DN attribute to include extended DN information if requested
+ */
+static int expand_dn_in_message(struct ldb_module *module, struct ldb_message *msg,
+ const char *attrname, struct ldb_control *edn_control,
+ struct ldb_request *req)
+{
+ struct ldb_dn *dn, *dn2;
+ struct ldb_val *v;
+ int ret;
+ struct ldb_request *req2;
+ char *dn_string;
+ const char *no_attrs[] = { NULL };
+ struct ldb_result *res;
+ struct ldb_extended_dn_control *edn;
+ TALLOC_CTX *tmp_ctx = talloc_new(req);
+ struct ldb_context *ldb;
+ int edn_type = 0;
+
+ ldb = ldb_module_get_ctx(module);
+
+ edn = talloc_get_type(edn_control->data, struct ldb_extended_dn_control);
+ if (edn) {
+ edn_type = edn->type;
+ }
+
+ v = discard_const_p(struct ldb_val, ldb_msg_find_ldb_val(msg, attrname));
+ if (v == NULL) {
+ talloc_free(tmp_ctx);
+ return 0;
+ }
+
+ dn_string = talloc_strndup(tmp_ctx, (const char *)v->data, v->length);
+ if (dn_string == NULL) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ res = talloc_zero(tmp_ctx, struct ldb_result);
+ if (res == NULL) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ dn = ldb_dn_new(tmp_ctx, ldb, dn_string);
+ if (!ldb_dn_validate(dn)) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = ldb_build_search_req(&req2, ldb, tmp_ctx,
+ dn,
+ LDB_SCOPE_BASE,
+ NULL,
+ no_attrs,
+ NULL,
+ res, ldb_search_default_callback,
+ req);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+
+ ret = ldb_request_add_control(req2,
+ LDB_CONTROL_EXTENDED_DN_OID,
+ edn_control->critical, edn);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ ret = ldb_next_request(module, req2);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req2->handle, LDB_WAIT_ALL);
+ }
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ if (!res || res->count != 1) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ dn2 = res->msgs[0]->dn;
+
+ v->data = (uint8_t *)ldb_dn_get_extended_linearized(msg->elements, dn2, edn_type);
+ v->length = strlen((char *)v->data);
+
+ if (v->data == NULL) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ talloc_free(tmp_ctx);
+
+ return 0;
+}
+
+
/*
add dynamically generated attributes to rootDSE result
*/
-static int rootdse_add_dynamic(struct ldb_module *module, struct ldb_request *req)
+static int rootdse_add_dynamic(struct ldb_module *module, struct ldb_message *msg,
+ const char * const *attrs, struct ldb_request *req)
{
- struct ldb_search *s = &req->op.search;
- struct ldb_message *msg;
+ struct ldb_context *ldb;
+ struct private_data *priv = talloc_get_type(ldb_module_get_private(module), struct private_data);
+ char **server_sasl;
+ const struct dsdb_schema *schema;
+ int *val;
+ struct ldb_control *edn_control;
+ const char *dn_attrs[] = {
+ "configurationNamingContext",
+ "defaultNamingContext",
+ "dsServiceName",
+ "rootDomainNamingContext",
+ "schemaNamingContext",
+ "serverName",
+ NULL
+ };
+
+ ldb = ldb_module_get_ctx(module);
+ schema = dsdb_get_schema(ldb);
+
+ msg->dn = ldb_dn_new(msg, ldb, NULL);
+
+ /* don't return the distinduishedName, cn and name attributes */
+ ldb_msg_remove_attr(msg, "distinguishedName");
+ ldb_msg_remove_attr(msg, "cn");
+ ldb_msg_remove_attr(msg, "name");
+
+ if (do_attribute(attrs, "currentTime")) {
+ if (ldb_msg_add_steal_string(msg, "currentTime",
+ ldb_timestring(msg, time(NULL))) != 0) {
+ goto failed;
+ }
+ }
+
+ if (priv && do_attribute(attrs, "supportedControl")) {
+ int i;
+ for (i = 0; i < priv->num_controls; i++) {
+ char *control = talloc_strdup(msg, priv->controls[i]);
+ if (!control) {
+ goto failed;
+ }
+ if (ldb_msg_add_steal_string(msg, "supportedControl",
+ control) != 0) {
+ goto failed;
+ }
+ }
+ }
+
+ if (priv && do_attribute(attrs, "namingContexts")) {
+ int i;
+ for (i = 0; i < priv->num_partitions; i++) {
+ struct ldb_dn *dn = priv->partitions[i];
+ if (ldb_msg_add_steal_string(msg, "namingContexts",
+ ldb_dn_alloc_linearized(msg, dn)) != 0) {
+ goto failed;
+ }
+ }
+ }
+
+ server_sasl = talloc_get_type(ldb_get_opaque(ldb, "supportedSASLMechanims"),
+ char *);
+ if (server_sasl && do_attribute(attrs, "supportedSASLMechanisms")) {
+ int i;
+ for (i = 0; server_sasl && server_sasl[i]; i++) {
+ char *sasl_name = talloc_strdup(msg, server_sasl[i]);
+ if (!sasl_name) {
+ goto failed;
+ }
+ if (ldb_msg_add_steal_string(msg, "supportedSASLMechanisms",
+ sasl_name) != 0) {
+ goto failed;
+ }
+ }
+ }
+
+ if (do_attribute(attrs, "highestCommittedUSN")) {
+ uint64_t seq_num;
+ int ret = ldb_sequence_number(ldb, LDB_SEQ_HIGHEST_SEQ, &seq_num);
+ if (ret == LDB_SUCCESS) {
+ if (ldb_msg_add_fmt(msg, "highestCommittedUSN",
+ "%llu", (unsigned long long)seq_num) != 0) {
+ goto failed;
+ }
+ }
+ }
+
+ if (schema && do_attribute_explicit(attrs, "dsSchemaAttrCount")) {
+ struct dsdb_attribute *cur;
+ uint32_t n = 0;
+
+ for (cur = schema->attributes; cur; cur = cur->next) {
+ n++;
+ }
+
+ if (ldb_msg_add_fmt(msg, "dsSchemaAttrCount",
+ "%u", n) != 0) {
+ goto failed;
+ }
+ }
+
+ if (schema && do_attribute_explicit(attrs, "dsSchemaClassCount")) {
+ struct dsdb_class *cur;
+ uint32_t n = 0;
- /* this is gross, and will be removed when I change ldb_result not
- to be so pointer crazy :-) */
- if (s->res[0][0].msgs == NULL) {
- return LDB_SUCCESS;
+ for (cur = schema->classes; cur; cur = cur->next) {
+ n++;
+ }
+
+ if (ldb_msg_add_fmt(msg, "dsSchemaClassCount",
+ "%u", n) != 0) {
+ goto failed;
+ }
+ }
+
+ if (schema && do_attribute_explicit(attrs, "dsSchemaPrefixCount")) {
+ if (ldb_msg_add_fmt(msg, "dsSchemaPrefixCount",
+ "%u", schema->prefixmap->length) != 0) {
+ goto failed;
+ }
+ }
+
+ if (do_attribute_explicit(attrs, "validFSMOs")) {
+ const struct dsdb_naming_fsmo *naming_fsmo;
+ const struct dsdb_pdc_fsmo *pdc_fsmo;
+ const char *dn_str;
+
+ if (schema && schema->fsmo.we_are_master) {
+ dn_str = ldb_dn_get_linearized(samdb_schema_dn(ldb));
+ if (dn_str && dn_str[0]) {
+ if (ldb_msg_add_fmt(msg, "validFSMOs", "%s", dn_str) != 0) {
+ goto failed;
+ }
+ }
+ }
+
+ naming_fsmo = talloc_get_type(ldb_get_opaque(ldb, "dsdb_naming_fsmo"),
+ struct dsdb_naming_fsmo);
+ if (naming_fsmo && naming_fsmo->we_are_master) {
+ dn_str = ldb_dn_get_linearized(samdb_partitions_dn(ldb, msg));
+ if (dn_str && dn_str[0]) {
+ if (ldb_msg_add_fmt(msg, "validFSMOs", "%s", dn_str) != 0) {
+ goto failed;
+ }
+ }
+ }
+
+ pdc_fsmo = talloc_get_type(ldb_get_opaque(ldb, "dsdb_pdc_fsmo"),
+ struct dsdb_pdc_fsmo);
+ if (pdc_fsmo && pdc_fsmo->we_are_master) {
+ dn_str = ldb_dn_get_linearized(samdb_base_dn(ldb));
+ if (dn_str && dn_str[0]) {
+ if (ldb_msg_add_fmt(msg, "validFSMOs", "%s", dn_str) != 0) {
+ goto failed;
+ }
+ }
+ }
}
- msg = s->res[0][0].msgs[0];
+ if (do_attribute_explicit(attrs, "vendorVersion")) {
+ if (ldb_msg_add_fmt(msg, "vendorVersion",
+ "%s", SAMBA_VERSION_STRING) != 0) {
+ goto failed;
+ }
+ }
- msg->dn = ldb_dn_explode(msg, "");
+ if (priv && do_attribute(attrs, "domainFunctionality")) {
+ if (ldb_msg_add_fmt(msg, "domainFunctionality",
+ "%d", dsdb_functional_level(ldb)) != 0) {
+ goto failed;
+ }
+ }
+
+ if (priv && do_attribute(attrs, "forestFunctionality")
+ && (val = talloc_get_type(ldb_get_opaque(ldb, "forestFunctionality"), int))) {
+ if (ldb_msg_add_fmt(msg, "forestFunctionality",
+ "%d", *val) != 0) {
+ goto failed;
+ }
+ }
- if (do_attribute(s->attrs, "currentTime")) {
- if (ldb_msg_add_string(msg, "currentTime",
- ldb_timestring(msg, time(NULL))) != 0) {
+ if (priv && do_attribute(attrs, "domainControllerFunctionality")
+ && (val = talloc_get_type(ldb_get_opaque(ldb, "domainControllerFunctionality"), int))) {
+ if (ldb_msg_add_fmt(msg, "domainControllerFunctionality",
+ "%d", *val) != 0) {
+ goto failed;
+ }
+ }
+
+ edn_control = ldb_request_get_control(req, LDB_CONTROL_EXTENDED_DN_OID);
+
+ /* if the client sent us the EXTENDED_DN control then we need
+ to expand the DNs to have GUID and SID. W2K8 join relies on
+ this */
+ if (edn_control) {
+ int i, ret;
+ for (i=0; dn_attrs[i]; i++) {
+ if (!do_attribute(attrs, dn_attrs[i])) continue;
+ ret = expand_dn_in_message(module, msg, dn_attrs[i],
+ edn_control, req);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to expand DN in rootDSE for %s\n",
+ dn_attrs[i]));
+ goto failed;
+ }
+ }
+ }
+
+ if (do_attribute(attrs, "isGlobalCatalogReady")) {
+ /* MS-ADTS 3.1.1.3.2.10
+ Note, we should only return true here is we have
+ completed at least one synchronisation. As both
+ provision and vampire do a full sync, this means we
+ can return true is the gc bit is set in the NTDSDSA
+ options */
+ if (ldb_msg_add_fmt(msg, "isGlobalCatalogReady",
+ "%s", samdb_is_gc(ldb)?"TRUE":"FALSE") != 0) {
goto failed;
}
}
/* TODO: lots more dynamic attributes should be added here */
- return 0;
+ return LDB_SUCCESS;
failed:
return LDB_ERR_OPERATIONS_ERROR;
/*
handle search requests
*/
-static int rootdse_search_bytree(struct ldb_module *module, struct ldb_request *req)
+
+struct rootdse_context {
+ struct ldb_module *module;
+ struct ldb_request *req;
+};
+
+static struct rootdse_context *rootdse_init_context(struct ldb_module *module,
+ struct ldb_request *req)
+{
+ struct ldb_context *ldb;
+ struct rootdse_context *ac;
+
+ ldb = ldb_module_get_ctx(module);
+
+ ac = talloc_zero(req, struct rootdse_context);
+ if (ac == NULL) {
+ ldb_set_errstring(ldb, "Out of Memory");
+ return NULL;
+ }
+
+ ac->module = module;
+ ac->req = req;
+
+ return ac;
+}
+
+static int rootdse_callback(struct ldb_request *req, struct ldb_reply *ares)
+{
+ struct rootdse_context *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct rootdse_context);
+
+ if (!ares) {
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+ if (ares->error != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+ /*
+ * if the client explicit asks for the 'netlogon' attribute
+ * the reply_entry needs to be skipped
+ */
+ if (ac->req->op.search.attrs &&
+ ldb_attr_in_list(ac->req->op.search.attrs, "netlogon")) {
+ talloc_free(ares);
+ return LDB_SUCCESS;
+ }
+
+ /* for each record returned post-process to add any dynamic
+ attributes that have been asked for */
+ ret = rootdse_add_dynamic(ac->module, ares->message,
+ ac->req->op.search.attrs, ac->req);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+
+ return ldb_module_send_entry(ac->req, ares->message, ares->controls);
+
+ case LDB_REPLY_REFERRAL:
+ /* should we allow the backend to return referrals in this case
+ * ?? */
+ break;
+
+ case LDB_REPLY_DONE:
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+
+ talloc_free(ares);
+ return LDB_SUCCESS;
+}
+
+static int rootdse_search(struct ldb_module *module, struct ldb_request *req)
{
-// struct ldb_request r = *req;
- struct ldb_search *s = &req->op.search;
+ struct ldb_context *ldb;
+ struct rootdse_context *ac;
+ struct ldb_request *down_req;
int ret;
- TALLOC_CTX *tmp_ctx;
- /* see if its for the rootDSE */
- if (s->scope != LDB_SCOPE_BASE ||
- (s->base && s->base->comp_num != 0)) {
+ ldb = ldb_module_get_ctx(module);
+
+ /* see if its for the rootDSE - only a base search on the "" DN qualifies */
+ if (!(req->op.search.scope == LDB_SCOPE_BASE && ldb_dn_is_null(req->op.search.base))) {
+ /* Otherwise, pass down to the rest of the stack */
return ldb_next_request(module, req);
}
- tmp_ctx = talloc_new(module);
+ ac = rootdse_init_context(module, req);
+ if (ac == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- /* in our db we store the rootDSE with a DN of cn=rootDSE */
- s->base = ldb_dn_explode(tmp_ctx, "cn=rootDSE");
- s->tree = ldb_parse_tree(tmp_ctx, "dn=*");
- if (s->base == NULL || s->tree == NULL) {
- ldb_oom(module->ldb);
- talloc_free(tmp_ctx);
+ /* in our db we store the rootDSE with a DN of @ROOTDSE */
+ ret = ldb_build_search_req(&down_req, ldb, ac,
+ ldb_dn_new(ac, ldb, "@ROOTDSE"),
+ LDB_SCOPE_BASE,
+ NULL,
+ req->op.search.attrs,
+ NULL,/* for now skip the controls from the client */
+ ac, rootdse_callback,
+ req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ return ldb_next_request(module, down_req);
+}
+
+static int rootdse_register_control(struct ldb_module *module, struct ldb_request *req)
+{
+ struct private_data *priv = talloc_get_type(ldb_module_get_private(module), struct private_data);
+ char **list;
+
+ list = talloc_realloc(priv, priv->controls, char *, priv->num_controls + 1);
+ if (!list) {
return LDB_ERR_OPERATIONS_ERROR;
}
- /* grab the static contents of the record */
- ret = ldb_next_request(module, req);
+ list[priv->num_controls] = talloc_strdup(list, req->op.reg_control.oid);
+ if (!list[priv->num_controls]) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- req->op.search.res = s->res;
+ priv->num_controls += 1;
+ priv->controls = list;
- if (ret == LDB_SUCCESS) {
- ret = rootdse_add_dynamic(module, req);
+ return ldb_module_done(req, NULL, NULL, LDB_SUCCESS);
+}
+
+static int rootdse_register_partition(struct ldb_module *module, struct ldb_request *req)
+{
+ struct private_data *priv = talloc_get_type(ldb_module_get_private(module), struct private_data);
+ struct ldb_dn **list;
+
+ list = talloc_realloc(priv, priv->partitions, struct ldb_dn *, priv->num_partitions + 1);
+ if (!list) {
+ return LDB_ERR_OPERATIONS_ERROR;
}
- talloc_free(tmp_ctx);
+ list[priv->num_partitions] = ldb_dn_copy(list, req->op.reg_partition.dn);
+ if (!list[priv->num_partitions]) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ priv->num_partitions += 1;
+ priv->partitions = list;
- return ret;
+ return ldb_module_done(req, NULL, NULL, LDB_SUCCESS);
}
static int rootdse_request(struct ldb_module *module, struct ldb_request *req)
{
switch (req->operation) {
- case LDB_REQ_SEARCH:
- return rootdse_search_bytree(module, req);
+
+ case LDB_REQ_REGISTER_CONTROL:
+ return rootdse_register_control(module, req);
+ case LDB_REQ_REGISTER_PARTITION:
+ return rootdse_register_partition(module, req);
+
default:
break;
}
return ldb_next_request(module, req);
}
-static const struct ldb_module_ops rootdse_ops = {
- .name = "rootdse",
- .request = rootdse_request
-};
+static int rootdse_init(struct ldb_module *module)
+{
+ int ret;
+ struct ldb_context *ldb;
+ struct ldb_result *res;
+ struct private_data *data;
+ const char *attrs[] = { "msDS-Behavior-Version", NULL };
+ const char *ds_attrs[] = { "dsServiceName", NULL };
+ TALLOC_CTX *mem_ctx;
+
+ ldb = ldb_module_get_ctx(module);
+
+ data = talloc_zero(module, struct private_data);
+ if (data == NULL) {
+ return -1;
+ }
+
+ data->num_controls = 0;
+ data->controls = NULL;
+ data->num_partitions = 0;
+ data->partitions = NULL;
+ ldb_module_set_private(module, data);
+
+ ldb_set_default_dns(ldb);
+
+ ret = ldb_next_init(module);
+
+ if (ret) {
+ return ret;
+ }
+
+ mem_ctx = talloc_new(data);
+ if (!mem_ctx) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
-#ifdef HAVE_DLOPEN_DISABLED
-struct ldb_module *init_module(struct ldb_context *ldb, const char *options[])
-#else
-struct ldb_module *rootdse_module_init(struct ldb_context *ldb, const char *options[])
-#endif
+ /* Now that the partitions are set up, do a search for:
+ - domainControllerFunctionality
+ - domainFunctionality
+ - forestFunctionality
+
+ Then stuff these values into an opaque
+ */
+ ret = ldb_search(ldb, mem_ctx, &res,
+ ldb_get_default_basedn(ldb),
+ LDB_SCOPE_BASE, attrs, NULL);
+ if (ret == LDB_SUCCESS && res->count == 1) {
+ int domain_behaviour_version
+ = ldb_msg_find_attr_as_int(res->msgs[0],
+ "msDS-Behavior-Version", -1);
+ if (domain_behaviour_version != -1) {
+ int *val = talloc(ldb, int);
+ if (!val) {
+ ldb_oom(ldb);
+ talloc_free(mem_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ *val = domain_behaviour_version;
+ ret = ldb_set_opaque(ldb, "domainFunctionality", val);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(mem_ctx);
+ return ret;
+ }
+ }
+ }
+
+ ret = ldb_search(ldb, mem_ctx, &res,
+ samdb_partitions_dn(ldb, mem_ctx),
+ LDB_SCOPE_BASE, attrs, NULL);
+ if (ret == LDB_SUCCESS && res->count == 1) {
+ int forest_behaviour_version
+ = ldb_msg_find_attr_as_int(res->msgs[0],
+ "msDS-Behavior-Version", -1);
+ if (forest_behaviour_version != -1) {
+ int *val = talloc(ldb, int);
+ if (!val) {
+ ldb_oom(ldb);
+ talloc_free(mem_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ *val = forest_behaviour_version;
+ ret = ldb_set_opaque(ldb, "forestFunctionality", val);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(mem_ctx);
+ return ret;
+ }
+ }
+ }
+
+ ret = ldb_search(ldb, mem_ctx, &res,
+ ldb_dn_new(mem_ctx, ldb, ""),
+ LDB_SCOPE_BASE, ds_attrs, NULL);
+ if (ret == LDB_SUCCESS && res->count == 1) {
+ struct ldb_dn *ds_dn
+ = ldb_msg_find_attr_as_dn(ldb, mem_ctx, res->msgs[0],
+ "dsServiceName");
+ if (ds_dn) {
+ ret = ldb_search(ldb, mem_ctx, &res, ds_dn,
+ LDB_SCOPE_BASE, attrs, NULL);
+ if (ret == LDB_SUCCESS && res->count == 1) {
+ int domain_controller_behaviour_version
+ = ldb_msg_find_attr_as_int(res->msgs[0],
+ "msDS-Behavior-Version", -1);
+ if (domain_controller_behaviour_version != -1) {
+ int *val = talloc(ldb, int);
+ if (!val) {
+ ldb_oom(ldb);
+ talloc_free(mem_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ *val = domain_controller_behaviour_version;
+ ret = ldb_set_opaque(ldb,
+ "domainControllerFunctionality", val);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(mem_ctx);
+ return ret;
+ }
+ }
+ }
+ }
+ }
+
+ talloc_free(mem_ctx);
+
+ return LDB_SUCCESS;
+}
+
+static int rootdse_modify(struct ldb_module *module, struct ldb_request *req)
{
- struct ldb_module *ctx;
+ struct ldb_context *ldb;
+ struct ldb_result *ext_res;
+ int ret;
+ struct ldb_dn *schema_dn;
+ struct ldb_message_element *schemaUpdateNowAttr;
+
+ /*
+ If dn is not "" we should let it pass through
+ */
+ if (!ldb_dn_is_null(req->op.mod.message->dn)) {
+ return ldb_next_request(module, req);
+ }
- ctx = talloc(ldb, struct ldb_module);
- if (!ctx)
- return NULL;
+ ldb = ldb_module_get_ctx(module);
+
+ /*
+ dn is empty so check for schemaUpdateNow attribute
+ "The type of modification and values specified in the LDAP modify operation do not matter." MSDN
+ */
+ schemaUpdateNowAttr = ldb_msg_find_element(req->op.mod.message, "schemaUpdateNow");
+ if (!schemaUpdateNowAttr) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- ctx->ldb = ldb;
- ctx->prev = ctx->next = NULL;
- ctx->ops = &rootdse_ops;
- ctx->private_data = NULL;
+ schema_dn = samdb_schema_dn(ldb);
+ if (!schema_dn) {
+ ldb_reset_err_string(ldb);
+ ldb_debug(ldb, LDB_DEBUG_WARNING,
+ "rootdse_modify: no schema dn present: (skip ldb_extended call)\n");
+ return ldb_next_request(module, req);
+ }
- return ctx;
+ ret = ldb_extended(ldb, DSDB_EXTENDED_SCHEMA_UPDATE_NOW_OID, schema_dn, &ext_res);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ talloc_free(ext_res);
+ return ldb_module_done(req, NULL, NULL, ret);
}
+_PUBLIC_ const struct ldb_module_ops ldb_rootdse_module_ops = {
+ .name = "rootdse",
+ .init_context = rootdse_init,
+ .search = rootdse_search,
+ .request = rootdse_request,
+ .modify = rootdse_modify
+};
git.samba.org / ira / wip.git / blobdiff