-/*
+/*
ldb database library
Copyright (C) Simo Sorce 2004-2008
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
Copyright (C) Andrew Tridgell 2005
Copyright (C) Stefan Metzmacher <metze@samba.org> 2007
+ Copyright (C) Matthieu Patou <mat@samba.org> 2010
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 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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, see <http://www.gnu.org/licenses/>.
*/
#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "param/param.h"
-#include "libcli/security/dom_sid.h"
+#include "libcli/security/security.h"
#include "lib/util/dlinklist.h"
#include "dsdb/samdb/ldb_modules/util.h"
#include "lib/util/binsearch.h"
-#include "libcli/security/security.h"
#include "lib/util/tsort.h"
-#define W2K3_LINKED_ATTRIBUTES 1
+/*
+ * It's 29/12/9999 at 23:59:59 UTC as specified in MS-ADTS 7.1.1.4.2
+ * Deleted Objects Container
+ */
+static const NTTIME DELETED_OBJECT_CONTAINER_CHANGE_TIME = 2650466015990000000ULL;
struct replmd_private {
TALLOC_CTX *la_ctx;
static bool replmd_check_urgent_objectclass(const struct ldb_message_element *objectclass_el,
enum urgent_situation situation)
{
- int i, j;
+ unsigned int i, j;
for (i=0; urgent_objects[i].update_name; i++) {
if ((situation & urgent_objects[i].repl_situation) == 0) {
process a backlinks we accumulated during a transaction, adding and
deleting the backlinks from the target objects
*/
-static int replmd_process_backlink(struct ldb_module *module, struct la_backlink *bl)
+static int replmd_process_backlink(struct ldb_module *module, struct la_backlink *bl, struct ldb_request *parent)
{
struct ldb_dn *target_dn, *source_dn;
int ret;
- construct ldb_message
- either an add or a delete
*/
- ret = dsdb_module_dn_by_guid(module, tmp_ctx, &bl->target_guid, &target_dn);
+ ret = dsdb_module_dn_by_guid(module, tmp_ctx, &bl->target_guid, &target_dn, parent);
if (ret != LDB_SUCCESS) {
DEBUG(2,(__location__ ": WARNING: Failed to find target DN for linked attribute with GUID %s\n",
GUID_string(bl, &bl->target_guid)));
return LDB_SUCCESS;
}
- ret = dsdb_module_dn_by_guid(module, tmp_ctx, &bl->forward_guid, &source_dn);
+ ret = dsdb_module_dn_by_guid(module, tmp_ctx, &bl->forward_guid, &source_dn, parent);
if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb, "Failed to find source DN for linked attribute with GUID %s\n",
GUID_string(bl, &bl->forward_guid));
}
msg->elements[0].flags = bl->active?LDB_FLAG_MOD_ADD:LDB_FLAG_MOD_DELETE;
- ret = dsdb_module_modify(module, msg, 0);
- if (ret != LDB_SUCCESS) {
+ /* a backlink should never be single valued. Unfortunately the
+ exchange schema has a attribute
+ msExchBridgeheadedLocalConnectorsDNBL which is single
+ valued and a backlink. We need to cope with that by
+ ignoring the single value flag */
+ msg->elements[0].flags |= LDB_FLAG_INTERNAL_DISABLE_SINGLE_VALUE_CHECK;
+
+ ret = dsdb_module_modify(module, msg, DSDB_FLAG_NEXT_MODULE, parent);
+ if (ret == LDB_ERR_NO_SUCH_ATTRIBUTE && !bl->active) {
+ /* we allow LDB_ERR_NO_SUCH_ATTRIBUTE as success to
+ cope with possible corruption where the backlink has
+ already been removed */
+ DEBUG(3,("WARNING: backlink from %s already removed from %s - %s\n",
+ ldb_dn_get_linearized(target_dn),
+ ldb_dn_get_linearized(source_dn),
+ ldb_errstring(ldb)));
+ ret = LDB_SUCCESS;
+ } else if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb, "Failed to %s backlink from %s to %s - %s",
bl->active?"add":"remove",
ldb_dn_get_linearized(source_dn),
/* the caller may ask for this backlink to be processed
immediately */
if (immediate) {
- int ret = replmd_process_backlink(module, bl);
+ int ret = replmd_process_backlink(module, bl, NULL);
talloc_free(bl);
return ret;
}
/*
* Callback for most write operations in this module:
- *
+ *
* notify the repl task that a object has changed. The notifies are
* gathered up in the replmd_private structure then written to the
* @REPLCHANGED object in each partition during the prepare_commit
static int replmd_op_callback(struct ldb_request *req, struct ldb_reply *ares)
{
int ret;
- struct replmd_replicated_request *ac =
+ struct replmd_replicated_request *ac =
talloc_get_type_abort(req->context, struct replmd_replicated_request);
- struct replmd_private *replmd_private =
+ struct replmd_private *replmd_private =
talloc_get_type_abort(ldb_module_get_private(ac->module), struct replmd_private);
struct nc_entry *modified_partition;
struct ldb_control *partition_ctrl;
partition_ctrl = ldb_reply_get_control(ares, DSDB_CONTROL_CURRENT_PARTITION_OID);
- /* Remove the 'partition' control from what we pass up the chain */
- controls = controls_except_specified(ares->controls, ares, partition_ctrl);
+ controls = ares->controls;
+ if (ldb_request_get_control(ac->req,
+ DSDB_CONTROL_CURRENT_PARTITION_OID) == NULL) {
+ /*
+ * Remove the current partition control from what we pass up
+ * the chain if it hasn't been requested manually.
+ */
+ controls = ldb_controls_except_specified(ares->controls, ares,
+ partition_ctrl);
+ }
if (ares->error != LDB_SUCCESS) {
+ DEBUG(5,("%s failure. Error is: %s\n", __FUNCTION__, ldb_strerror(ares->error)));
return ldb_module_done(ac->req, controls,
ares->response, ares->error);
}
partition = talloc_get_type_abort(partition_ctrl->data,
struct dsdb_control_current_partition);
-
+
if (ac->seq_num > 0) {
- for (modified_partition = replmd_private->ncs; modified_partition;
+ for (modified_partition = replmd_private->ncs; modified_partition;
modified_partition = modified_partition->next) {
if (ldb_dn_compare(modified_partition->dn, partition->dn) == 0) {
break;
}
}
-
+
if (modified_partition == NULL) {
modified_partition = talloc_zero(replmd_private, struct nc_entry);
if (!modified_partition) {
if (ac->apply_mode) {
talloc_free(ares);
ac->index_current++;
-
+
ret = replmd_replicated_apply_next(ac);
if (ret != LDB_SUCCESS) {
return ldb_module_done(ac->req, NULL, NULL, ret);
* common path. Other cases will have it cleaned up
* eventually with the ares */
talloc_free(partition_ctrl);
- return ldb_module_done(ac->req,
- controls_except_specified(controls, ares, partition_ctrl),
+ return ldb_module_done(ac->req, controls,
ares->response, LDB_SUCCESS);
}
}
* update a @REPLCHANGED record in each partition if there have been
* any writes of replicated data in the partition
*/
-static int replmd_notify_store(struct ldb_module *module)
+static int replmd_notify_store(struct ldb_module *module, struct ldb_request *parent)
{
struct replmd_private *replmd_private =
talloc_get_type(ldb_module_get_private(module), struct replmd_private);
ret = dsdb_module_save_partition_usn(module, modified_partition->dn,
modified_partition->mod_usn,
- modified_partition->mod_usn_urgent);
+ modified_partition->mod_usn_urgent, parent);
if (ret != LDB_SUCCESS) {
DEBUG(0,(__location__ ": Failed to save partition uSN for %s\n",
ldb_dn_get_linearized(modified_partition->dn)));
{
struct ldb_message_element *el;
char *s;
+ int ret;
if (ldb_msg_find_element(msg, attr) != NULL) {
return LDB_SUCCESS;
return LDB_ERR_OPERATIONS_ERROR;
}
- if (ldb_msg_add_string(msg, attr, s) != LDB_SUCCESS) {
- return LDB_ERR_OPERATIONS_ERROR;
+ ret = ldb_msg_add_string(msg, attr, s);
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
el = ldb_msg_find_element(msg, attr);
/*
add a uint64_t element to a record
*/
-static int add_uint64_element(struct ldb_message *msg, const char *attr, uint64_t v)
+static int add_uint64_element(struct ldb_context *ldb, struct ldb_message *msg,
+ const char *attr, uint64_t v)
{
struct ldb_message_element *el;
+ int ret;
if (ldb_msg_find_element(msg, attr) != NULL) {
return LDB_SUCCESS;
}
- if (ldb_msg_add_fmt(msg, attr, "%llu", (unsigned long long)v) != LDB_SUCCESS) {
- return LDB_ERR_OPERATIONS_ERROR;
+ ret = samdb_msg_add_uint64(ldb, msg, msg, attr, v);
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
el = ldb_msg_find_element(msg, attr);
rdn_sa = dsdb_attribute_by_lDAPDisplayName(schema, rdn_name);
if (rdn_sa == NULL) {
DEBUG(0,(__location__ ": No sa found for rDN %s for %s\n", rdn_name, ldb_dn_get_linearized(dn)));
- return LDB_ERR_OPERATIONS_ERROR;
+ return LDB_ERR_OPERATIONS_ERROR;
}
- DEBUG(6,("Sorting rpmd with attid exception %u rDN=%s DN=%s\n",
+ DEBUG(6,("Sorting rpmd with attid exception %u rDN=%s DN=%s\n",
rdn_sa->attributeID_id, rdn_name, ldb_dn_get_linearized(dn)));
LDB_TYPESAFE_QSORT(ctr1->array, ctr1->count, &rdn_sa->attributeID_id, replmd_replPropertyMetaData1_attid_sort);
const struct dsdb_attribute *a1;
const struct dsdb_attribute *a2;
- /*
+ /*
* TODO: make this faster by caching the dsdb_attribute pointer
* on the ldb_messag_element
*/
a1 = dsdb_attribute_by_lDAPDisplayName(schema, e1->name);
a2 = dsdb_attribute_by_lDAPDisplayName(schema, e2->name);
- /*
- * TODO: remove this check, we should rely on e1 and e2 having valid attribute names
- * in the schema
- */
- if (!a1 || !a2) {
- return strcasecmp(e1->name, e2->name);
- }
if (a1->attributeID_id == a2->attributeID_id) {
return 0;
}
*/
static int replmd_add_fix_la(struct ldb_module *module, struct ldb_message_element *el,
uint64_t seq_num, const struct GUID *invocationId, time_t t,
- struct GUID *guid, const struct dsdb_attribute *sa)
+ struct GUID *guid, const struct dsdb_attribute *sa, struct ldb_request *parent)
{
unsigned int i;
TALLOC_CTX *tmp_ctx = talloc_new(el->values);
components from the extended_dn_store module */
status = dsdb_get_extended_dn_guid(dsdb_dn->dn, &target_guid, "GUID");
if (!NT_STATUS_IS_OK(status) || GUID_all_zero(&target_guid)) {
- ret = dsdb_module_guid_by_dn(module, dsdb_dn->dn, &target_guid);
+ ret = dsdb_module_guid_by_dn(module, dsdb_dn->dn, &target_guid, parent);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
*/
static int replmd_add(struct ldb_module *module, struct ldb_request *req)
{
+ struct samldb_msds_intid_persistant *msds_intid_struct;
struct ldb_context *ldb;
struct ldb_control *control;
struct replmd_replicated_request *ac;
char *time_str;
int ret;
unsigned int i;
+ unsigned int functional_level;
uint32_t ni=0;
bool allow_add_guid = false;
bool remove_current_guid = false;
ldb_debug(ldb, LDB_DEBUG_TRACE, "replmd_add\n");
- ac = replmd_ctx_init(module, req);
- if (!ac) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- guid_blob = ldb_msg_find_ldb_val(req->op.add.message, "objectGUID");
- if ( guid_blob != NULL ) {
- if( !allow_add_guid ) {
- ldb_debug_set(ldb, LDB_DEBUG_ERROR,
- "replmd_add: it's not allowed to add an object with objectGUID\n");
- talloc_free(ac);
+ guid_blob = ldb_msg_find_ldb_val(req->op.add.message, "objectGUID");
+ if (guid_blob != NULL) {
+ if (!allow_add_guid) {
+ ldb_set_errstring(ldb,
+ "replmd_add: it's not allowed to add an object with objectGUID!");
return LDB_ERR_UNWILLING_TO_PERFORM;
} else {
NTSTATUS status = GUID_from_data_blob(guid_blob,&guid);
- if ( !NT_STATUS_IS_OK(status)) {
- ldb_debug_set(ldb, LDB_DEBUG_ERROR,
- "replmd_add: Unable to parse as a GUID the attribute objectGUID\n");
- talloc_free(ac);
+ if (!NT_STATUS_IS_OK(status)) {
+ ldb_set_errstring(ldb,
+ "replmd_add: Unable to parse the 'objectGUID' as a GUID!");
return LDB_ERR_UNWILLING_TO_PERFORM;
}
- /* we remove this attribute as it can be a string and will not be treated
- correctly and then we will readd it latter on in the good format*/
+ /* we remove this attribute as it can be a string and
+ * will not be treated correctly and then we will re-add
+ * it later on in the good format */
remove_current_guid = true;
}
} else {
guid = GUID_random();
}
+ ac = replmd_ctx_init(module, req);
+ if (ac == NULL) {
+ return ldb_module_oom(module);
+ }
+
+ functional_level = dsdb_functional_level(ldb);
+
/* Get a sequence number from the backend */
ret = ldb_sequence_number(ldb, LDB_SEQ_NEXT, &ac->seq_num);
if (ret != LDB_SUCCESS) {
ldb_msg_remove_attr(msg,"objectGUID");
}
- /*
+ /*
* remove autogenerated attributes
*/
ldb_msg_remove_attr(msg, "whenCreated");
continue;
}
-#if W2K3_LINKED_ATTRIBUTES
- if (sa->linkID != 0 && dsdb_functional_level(ldb) > DS_DOMAIN_FUNCTION_2000) {
- ret = replmd_add_fix_la(module, e, ac->seq_num, our_invocation_id, t, &guid, sa);
+ if (sa->linkID != 0 && functional_level > DS_DOMAIN_FUNCTION_2000) {
+ ret = replmd_add_fix_la(module, e, ac->seq_num, our_invocation_id, t, &guid, sa, req);
if (ret != LDB_SUCCESS) {
talloc_free(ac);
return ret;
replPropertyMetaData in FL above w2k */
continue;
}
-#endif
m->attid = sa->attributeID_id;
m->version = 1;
- m->originating_change_time = now;
+ if (m->attid == 0x20030) {
+ const struct ldb_val *rdn_val = ldb_dn_get_rdn_val(msg->dn);
+ const char* rdn;
+
+ if (rdn_val == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ac);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ rdn = (const char*)rdn_val->data;
+ if (strcmp(rdn, "Deleted Objects") == 0) {
+ /*
+ * Set the originating_change_time to 29/12/9999 at 23:59:59
+ * as specified in MS-ADTS 7.1.1.4.2 Deleted Objects Container
+ */
+ m->originating_change_time = DELETED_OBJECT_CONTAINER_CHANGE_TIME;
+ } else {
+ m->originating_change_time = now;
+ }
+ } else {
+ m->originating_change_time = now;
+ }
m->originating_invocation_id = *our_invocation_id;
m->originating_usn = ac->seq_num;
m->local_usn = ac->seq_num;
}
/* generated NDR encoded values */
- ndr_err = ndr_push_struct_blob(&nmd_value, msg,
- lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
+ ndr_err = ndr_push_struct_blob(&nmd_value, msg,
&nmd,
(ndr_push_flags_fn_t)ndr_push_replPropertyMetaDataBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
ac, replmd_op_callback,
req);
+ LDB_REQ_SET_LOCATION(down_req);
if (ret != LDB_SUCCESS) {
talloc_free(ac);
return ret;
}
+ /* current partition control is needed by "replmd_op_callback" */
+ if (ldb_request_get_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID) == NULL) {
+ ret = ldb_request_add_control(down_req,
+ DSDB_CONTROL_CURRENT_PARTITION_OID,
+ false, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ac);
+ return ret;
+ }
+ }
+
+ if (functional_level == DS_DOMAIN_FUNCTION_2000) {
+ ret = ldb_request_add_control(down_req, DSDB_CONTROL_APPLY_LINKS, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ac);
+ return ret;
+ }
+ }
+
/* mark the control done */
if (control) {
control->critical = 0;
}
+ if (ldb_dn_compare_base(ac->schema->base_dn, req->op.add.message->dn) != 0) {
+ /* Update the usn in the SAMLDB_MSDS_INTID_OPAQUE opaque */
+ msds_intid_struct = (struct samldb_msds_intid_persistant *) ldb_get_opaque(ldb, SAMLDB_MSDS_INTID_OPAQUE);
+ if (msds_intid_struct) {
+ msds_intid_struct->usn = ac->seq_num;
+ }
+ }
/* go on with the call chain */
return ldb_next_request(module, down_req);
}
const struct dsdb_schema *schema,
uint64_t *seq_num,
const struct GUID *our_invocation_id,
- NTTIME now)
+ NTTIME now,
+ struct ldb_request *req)
{
uint32_t i;
const struct dsdb_attribute *a;
a = dsdb_attribute_by_lDAPDisplayName(schema, el->name);
if (a == NULL) {
+ if (ldb_request_get_control(req, LDB_CONTROL_RELAX_OID)) {
+ /* allow this to make it possible for dbcheck
+ to remove bad attributes */
+ return LDB_SUCCESS;
+ }
+
DEBUG(0,(__location__ ": Unable to find attribute %s in schema\n",
el->name));
return LDB_ERR_OPERATIONS_ERROR;
return LDB_SUCCESS;
}
- /* if the attribute's value haven't changed then return LDB_SUCCESS */
+ /* if the attribute's value haven't changed then return LDB_SUCCESS
+ * Unless we have the provision control or if the attribute is
+ * interSiteTopologyGenerator as this page explain: http://support.microsoft.com/kb/224815
+ * this attribute is periodicaly written by the DC responsible for the intersite generation
+ * in a given site
+ */
if (old_el != NULL && ldb_msg_element_compare(el, old_el) == 0) {
- return LDB_SUCCESS;
+ if (strcmp(el->name, "interSiteTopologyGenerator") != 0 &&
+ !ldb_request_get_control(req, LDB_CONTROL_PROVISION_OID)) {
+ /*
+ * allow this to make it possible for dbcheck
+ * to rebuild broken metadata
+ */
+ return LDB_SUCCESS;
+ }
}
for (i=0; i<omd->ctr.ctr1.count; i++) {
if (a->attributeID_id == omd->ctr.ctr1.array[i].attid) break;
}
-#if W2K3_LINKED_ATTRIBUTES
if (a->linkID != 0 && dsdb_functional_level(ldb) > DS_DOMAIN_FUNCTION_2000) {
/* linked attributes are not stored in
replPropertyMetaData in FL above w2k, but we do
}
return LDB_SUCCESS;
}
-#endif
if (i == omd->ctr.ctr1.count) {
/* we need to add a new one */
- omd->ctr.ctr1.array = talloc_realloc(msg, omd->ctr.ctr1.array,
+ omd->ctr.ctr1.array = talloc_realloc(msg, omd->ctr.ctr1.array,
struct replPropertyMetaData1, omd->ctr.ctr1.count+1);
if (omd->ctr.ctr1.array == NULL) {
ldb_oom(ldb);
/* Get a new sequence number from the backend. We only do this
* if we have a change that requires a new
- * replPropertyMetaData element
+ * replPropertyMetaData element
*/
if (*seq_num == 0) {
int ret = ldb_sequence_number(ldb, LDB_SEQ_NEXT, seq_num);
md1 = &omd->ctr.ctr1.array[i];
md1->version++;
md1->attid = a->attributeID_id;
- md1->originating_change_time = now;
+ if (md1->attid == 0x20030) {
+ const struct ldb_val *rdn_val = ldb_dn_get_rdn_val(msg->dn);
+ const char* rdn;
+
+ if (rdn_val == NULL) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ rdn = (const char*)rdn_val->data;
+ if (strcmp(rdn, "Deleted Objects") == 0) {
+ /*
+ * Set the originating_change_time to 29/12/9999 at 23:59:59
+ * as specified in MS-ADTS 7.1.1.4.2 Deleted Objects Container
+ */
+ md1->originating_change_time = DELETED_OBJECT_CONTAINER_CHANGE_TIME;
+ } else {
+ md1->originating_change_time = now;
+ }
+ } else {
+ md1->originating_change_time = now;
+ }
md1->originating_invocation_id = *our_invocation_id;
md1->originating_usn = *seq_num;
md1->local_usn = *seq_num;
-
+
return LDB_SUCCESS;
}
+static uint64_t find_max_local_usn(struct replPropertyMetaDataBlob omd)
+{
+ uint32_t count = omd.ctr.ctr1.count;
+ uint64_t max = 0;
+ uint32_t i;
+ for (i=0; i < count; i++) {
+ struct replPropertyMetaData1 m = omd.ctr.ctr1.array[i];
+ if (max < m.local_usn) {
+ max = m.local_usn;
+ }
+ }
+ return max;
+}
+
/*
* update the replPropertyMetaData object each time we modify an
* object. This is needed for DRS replication, as the merge on the
- * client is based on this object
+ * client is based on this object
*/
-static int replmd_update_rpmd(struct ldb_module *module,
- const struct dsdb_schema *schema,
+static int replmd_update_rpmd(struct ldb_module *module,
+ const struct dsdb_schema *schema,
struct ldb_request *req,
+ const char * const *rename_attrs,
struct ldb_message *msg, uint64_t *seq_num,
time_t t,
- bool *is_urgent)
+ bool *is_urgent, bool *rodc)
{
const struct ldb_val *omd_value;
enum ndr_err_code ndr_err;
NTTIME now;
const struct GUID *our_invocation_id;
int ret;
- const char *attrs[] = { "replPropertyMetaData", "*", NULL };
+ const char * const *attrs = NULL;
+ const char * const attrs1[] = { "replPropertyMetaData", "*", NULL };
+ const char * const attrs2[] = { "uSNChanged", "objectClass", "instanceType", NULL };
struct ldb_result *res;
struct ldb_context *ldb;
struct ldb_message_element *objectclass_el;
enum urgent_situation situation;
- bool rodc;
+ bool rmd_is_provided;
+
+ if (rename_attrs) {
+ attrs = rename_attrs;
+ } else {
+ attrs = attrs1;
+ }
ldb = ldb_module_get_ctx(module);
unix_to_nt_time(&now, t);
- /* search for the existing replPropertyMetaDataBlob. We need
- * to use REVEAL and ask for DNs in storage format to support
- * the check for values being the same in
- * replmd_update_rpmd_element()
- */
- ret = dsdb_module_search_dn(module, msg, &res, msg->dn, attrs,
- DSDB_SEARCH_SHOW_DELETED |
- DSDB_SEARCH_SHOW_EXTENDED_DN |
- DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT |
- DSDB_SEARCH_REVEAL_INTERNALS);
- if (ret != LDB_SUCCESS || res->count != 1) {
- DEBUG(0,(__location__ ": Object %s failed to find replPropertyMetaData\n",
- ldb_dn_get_linearized(msg->dn)));
- return LDB_ERR_OPERATIONS_ERROR;
+ if (ldb_request_get_control(req, DSDB_CONTROL_CHANGEREPLMETADATA_OID)) {
+ rmd_is_provided = true;
+ } else {
+ rmd_is_provided = false;
}
/* if isDeleted is present and is TRUE, then we consider we are deleting,
* otherwise we consider we are updating */
if (ldb_msg_check_string_attribute(msg, "isDeleted", "TRUE")) {
situation = REPL_URGENT_ON_DELETE;
+ } else if (rename_attrs) {
+ situation = REPL_URGENT_ON_CREATE | REPL_URGENT_ON_DELETE;
} else {
situation = REPL_URGENT_ON_UPDATE;
}
- objectclass_el = ldb_msg_find_element(res->msgs[0], "objectClass");
- if (is_urgent && replmd_check_urgent_objectclass(objectclass_el,
- situation)) {
- *is_urgent = true;
- }
+ if (rmd_is_provided) {
+ /* In this case the change_replmetadata control was supplied */
+ /* We check that it's the only attribute that is provided
+ * (it's a rare case so it's better to keep the code simplier)
+ * We also check that the highest local_usn is bigger than
+ * uSNChanged. */
+ uint64_t db_seq;
+ if( msg->num_elements != 1 ||
+ strncmp(msg->elements[0].name,
+ "replPropertyMetaData", 20) ) {
+ DEBUG(0,(__location__ ": changereplmetada control called without "\
+ "a specified replPropertyMetaData attribute or with others\n"));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ if (situation != REPL_URGENT_ON_UPDATE) {
+ DEBUG(0,(__location__ ": changereplmetada control can't be called when deleting an object\n"));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ omd_value = ldb_msg_find_ldb_val(msg, "replPropertyMetaData");
+ if (!omd_value) {
+ DEBUG(0,(__location__ ": replPropertyMetaData was not specified for Object %s\n",
+ ldb_dn_get_linearized(msg->dn)));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ndr_err = ndr_pull_struct_blob(omd_value, msg, &omd,
+ (ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(0,(__location__ ": Failed to parse replPropertyMetaData for %s\n",
+ ldb_dn_get_linearized(msg->dn)));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ *seq_num = find_max_local_usn(omd);
- omd_value = ldb_msg_find_ldb_val(res->msgs[0], "replPropertyMetaData");
- if (!omd_value) {
- DEBUG(0,(__location__ ": Object %s does not have a replPropertyMetaData attribute\n",
- ldb_dn_get_linearized(msg->dn)));
- return LDB_ERR_OPERATIONS_ERROR;
- }
+ ret = dsdb_module_search_dn(module, msg, &res, msg->dn, attrs2,
+ DSDB_FLAG_NEXT_MODULE |
+ DSDB_SEARCH_SHOW_RECYCLED |
+ DSDB_SEARCH_SHOW_EXTENDED_DN |
+ DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT |
+ DSDB_SEARCH_REVEAL_INTERNALS, req);
- ndr_err = ndr_pull_struct_blob(omd_value, msg,
- lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")), &omd,
- (ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob);
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- DEBUG(0,(__location__ ": Failed to parse replPropertyMetaData for %s\n",
- ldb_dn_get_linearized(msg->dn)));
- return LDB_ERR_OPERATIONS_ERROR;
- }
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
- if (omd.version != 1) {
- DEBUG(0,(__location__ ": bad version %u in replPropertyMetaData for %s\n",
- omd.version, ldb_dn_get_linearized(msg->dn)));
- return LDB_ERR_OPERATIONS_ERROR;
- }
+ objectclass_el = ldb_msg_find_element(res->msgs[0], "objectClass");
+ if (is_urgent && replmd_check_urgent_objectclass(objectclass_el,
+ situation)) {
+ *is_urgent = true;
+ }
- /*we have elements that will be modified*/
- if (msg->num_elements > 0) {
- /*if we are RODC and this is a DRSR update then its ok*/
- if (!ldb_request_get_control(req, DSDB_CONTROL_REPLICATED_UPDATE_OID)) {
- ret = samdb_rodc(ldb, &rodc);
- if (ret != LDB_SUCCESS) {
- DEBUG(4, (__location__ ": unable to tell if we are an RODC\n"));
- } else if (rodc) {
- ldb_asprintf_errstring(ldb, "RODC modify is forbidden\n");
- return LDB_ERR_REFERRAL;
- }
+ db_seq = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNChanged", 0);
+ if (*seq_num <= db_seq) {
+ DEBUG(0,(__location__ ": changereplmetada control provided but max(local_usn)"\
+ " is less or equal to uSNChanged (max = %lld uSNChanged = %lld)\n",
+ (long long)*seq_num, (long long)db_seq));
+ return LDB_ERR_OPERATIONS_ERROR;
}
- }
- for (i=0; i<msg->num_elements; i++) {
- struct ldb_message_element *old_el;
- old_el = ldb_msg_find_element(res->msgs[0], msg->elements[i].name);
- ret = replmd_update_rpmd_element(ldb, msg, &msg->elements[i], old_el, &omd, schema, seq_num,
- our_invocation_id, now);
+ } else {
+ /* search for the existing replPropertyMetaDataBlob. We need
+ * to use REVEAL and ask for DNs in storage format to support
+ * the check for values being the same in
+ * replmd_update_rpmd_element()
+ */
+ ret = dsdb_module_search_dn(module, msg, &res, msg->dn, attrs,
+ DSDB_FLAG_NEXT_MODULE |
+ DSDB_SEARCH_SHOW_RECYCLED |
+ DSDB_SEARCH_SHOW_EXTENDED_DN |
+ DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT |
+ DSDB_SEARCH_REVEAL_INTERNALS, req);
if (ret != LDB_SUCCESS) {
return ret;
}
- if (is_urgent && !*is_urgent && (situation == REPL_URGENT_ON_UPDATE)) {
- *is_urgent = replmd_check_urgent_attribute(&msg->elements[i]);
+ objectclass_el = ldb_msg_find_element(res->msgs[0], "objectClass");
+ if (is_urgent && replmd_check_urgent_objectclass(objectclass_el,
+ situation)) {
+ *is_urgent = true;
}
- }
+ omd_value = ldb_msg_find_ldb_val(res->msgs[0], "replPropertyMetaData");
+ if (!omd_value) {
+ DEBUG(0,(__location__ ": Object %s does not have a replPropertyMetaData attribute\n",
+ ldb_dn_get_linearized(msg->dn)));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ndr_err = ndr_pull_struct_blob(omd_value, msg, &omd,
+ (ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(0,(__location__ ": Failed to parse replPropertyMetaData for %s\n",
+ ldb_dn_get_linearized(msg->dn)));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ if (omd.version != 1) {
+ DEBUG(0,(__location__ ": bad version %u in replPropertyMetaData for %s\n",
+ omd.version, ldb_dn_get_linearized(msg->dn)));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ for (i=0; i<msg->num_elements; i++) {
+ struct ldb_message_element *old_el;
+ old_el = ldb_msg_find_element(res->msgs[0], msg->elements[i].name);
+ ret = replmd_update_rpmd_element(ldb, msg, &msg->elements[i], old_el, &omd, schema, seq_num,
+ our_invocation_id, now, req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (is_urgent && !*is_urgent && (situation == REPL_URGENT_ON_UPDATE)) {
+ *is_urgent = replmd_check_urgent_attribute(&msg->elements[i]);
+ }
+ }
+ }
/*
* replmd_update_rpmd_element has done an update if the
* seq_num is set
struct ldb_val *md_value;
struct ldb_message_element *el;
+ /*if we are RODC and this is a DRSR update then its ok*/
+ if (!ldb_request_get_control(req, DSDB_CONTROL_REPLICATED_UPDATE_OID)
+ && !ldb_request_get_control(req, DSDB_CONTROL_DBCHECK_MODIFY_RO_REPLICA)) {
+ unsigned instanceType;
+
+ ret = samdb_rodc(ldb, rodc);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(4, (__location__ ": unable to tell if we are an RODC\n"));
+ } else if (*rodc) {
+ ldb_set_errstring(ldb, "RODC modify is forbidden!");
+ return LDB_ERR_REFERRAL;
+ }
+
+ instanceType = ldb_msg_find_attr_as_uint(res->msgs[0], "instanceType", INSTANCE_TYPE_WRITE);
+ if (!(instanceType & INSTANCE_TYPE_WRITE)) {
+ return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM,
+ "cannot change replicated attribute on partial replica");
+ }
+ }
+
md_value = talloc(msg, struct ldb_val);
if (md_value == NULL) {
ldb_oom(ldb);
return ret;
}
- ndr_err = ndr_push_struct_blob(md_value, msg,
- lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
- &omd,
+ ndr_err = ndr_push_struct_blob(md_value, msg, &omd,
(ndr_push_flags_fn_t)ndr_push_replPropertyMetaDataBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
DEBUG(0,(__location__ ": Failed to marshall replPropertyMetaData for %s\n",
el->values = md_value;
}
- return LDB_SUCCESS;
+ return LDB_SUCCESS;
}
struct parsed_dn {
return GUID_compare(pdn1->guid, pdn2->guid);
}
-static struct parsed_dn *parsed_dn_find(struct parsed_dn *pdn, int count, struct GUID *guid, struct ldb_dn *dn)
+static struct parsed_dn *parsed_dn_find(struct parsed_dn *pdn,
+ unsigned int count, struct GUID *guid,
+ struct ldb_dn *dn)
{
struct parsed_dn *ret;
+ unsigned int i;
if (dn && GUID_all_zero(guid)) {
/* when updating a link using DRS, we sometimes get a
NULL GUID. We then need to try and match by DN */
- int i;
for (i=0; i<count; i++) {
if (ldb_dn_compare(pdn[i].dsdb_dn->dn, dn) == 0) {
dsdb_get_extended_dn_guid(pdn[i].dsdb_dn->dn, guid, "GUID");
*/
static int get_parsed_dns(struct ldb_module *module, TALLOC_CTX *mem_ctx,
struct ldb_message_element *el, struct parsed_dn **pdn,
- const char *ldap_oid)
+ const char *ldap_oid, struct ldb_request *parent)
{
unsigned int i;
struct ldb_context *ldb = ldb_module_get_ctx(module);
status = dsdb_get_extended_dn_guid(dn, p->guid, "GUID");
if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
/* we got a DN without a GUID - go find the GUID */
- int ret = dsdb_module_guid_by_dn(module, dn, p->guid);
+ int ret = dsdb_module_guid_by_dn(module, dn, p->guid, parent);
if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb, "Unable to find GUID for DN %s\n",
ldb_dn_get_linearized(dn));
+ if (ret == LDB_ERR_NO_SUCH_OBJECT &&
+ LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE &&
+ ldb_attr_cmp(el->name, "member") == 0) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
return ret;
}
ret = dsdb_set_extended_dn_guid(dn, p->guid, "GUID");
if (old_addtime == NULL) {
old_addtime = &tval;
}
- if (dsdb_dn != old_dsdb_dn) {
+ if (dsdb_dn != old_dsdb_dn ||
+ ldb_dn_get_extended_component(dn, "RMD_ADDTIME") == NULL) {
ret = ldb_dn_set_extended_component(dn, "RMD_ADDTIME", old_addtime);
if (ret != LDB_SUCCESS) return ret;
}
const struct dsdb_attribute *schema_attr,
uint64_t seq_num,
time_t t,
- struct GUID *msg_guid)
+ struct GUID *msg_guid,
+ struct ldb_request *parent)
{
unsigned int i;
struct parsed_dn *dns, *old_dns;
unix_to_nt_time(&now, t);
- ret = get_parsed_dns(module, tmp_ctx, el, &dns, schema_attr->syntax->ldap_oid);
+ ret = get_parsed_dns(module, tmp_ctx, el, &dns, schema_attr->syntax->ldap_oid, parent);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
}
- ret = get_parsed_dns(module, tmp_ctx, old_el, &old_dns, schema_attr->syntax->ldap_oid);
+ ret = get_parsed_dns(module, tmp_ctx, old_el, &old_dns, schema_attr->syntax->ldap_oid, parent);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
talloc_free(tmp_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
-
+
ret = replmd_check_upgrade_links(old_dns, old_num_values, old_el, invocation_id);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
ldb_asprintf_errstring(ldb, "Attribute %s already exists for target GUID %s",
el->name, GUID_string(tmp_ctx, p->guid));
talloc_free(tmp_ctx);
- return LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS;
+ /* error codes for 'member' need to be
+ special cased */
+ if (ldb_attr_cmp(el->name, "member") == 0) {
+ return LDB_ERR_ENTRY_ALREADY_EXISTS;
+ } else {
+ return LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS;
+ }
}
ret = replmd_update_la_val(old_el->values, p->v, dns[i].dsdb_dn, p->dsdb_dn,
invocation_id, seq_num, seq_num, now, 0, false);
const struct dsdb_attribute *schema_attr,
uint64_t seq_num,
time_t t,
- struct GUID *msg_guid)
+ struct GUID *msg_guid,
+ struct ldb_request *parent)
{
unsigned int i;
struct parsed_dn *dns, *old_dns;
return LDB_ERR_NO_SUCH_ATTRIBUTE;
}
- ret = get_parsed_dns(module, tmp_ctx, el, &dns, schema_attr->syntax->ldap_oid);
+ ret = get_parsed_dns(module, tmp_ctx, el, &dns, schema_attr->syntax->ldap_oid, parent);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
}
- ret = get_parsed_dns(module, tmp_ctx, old_el, &old_dns, schema_attr->syntax->ldap_oid);
+ ret = get_parsed_dns(module, tmp_ctx, old_el, &old_dns, schema_attr->syntax->ldap_oid, parent);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
if (!p2) {
ldb_asprintf_errstring(ldb, "Attribute %s doesn't exist for target GUID %s",
el->name, GUID_string(tmp_ctx, p->guid));
- return LDB_ERR_NO_SUCH_ATTRIBUTE;
+ if (ldb_attr_cmp(el->name, "member") == 0) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ } else {
+ return LDB_ERR_NO_SUCH_ATTRIBUTE;
+ }
}
rmd_flags = dsdb_dn_rmd_flags(p2->dsdb_dn->dn);
if (rmd_flags & DSDB_RMD_FLAG_DELETED) {
ldb_asprintf_errstring(ldb, "Attribute %s already deleted for target GUID %s",
el->name, GUID_string(tmp_ctx, p->guid));
- return LDB_ERR_NO_SUCH_ATTRIBUTE;
+ if (ldb_attr_cmp(el->name, "member") == 0) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ } else {
+ return LDB_ERR_NO_SUCH_ATTRIBUTE;
+ }
}
}
const struct dsdb_attribute *schema_attr,
uint64_t seq_num,
time_t t,
- struct GUID *msg_guid)
+ struct GUID *msg_guid,
+ struct ldb_request *parent)
{
unsigned int i;
struct parsed_dn *dns, *old_dns;
return LDB_SUCCESS;
}
- ret = get_parsed_dns(module, tmp_ctx, el, &dns, schema_attr->syntax->ldap_oid);
+ ret = get_parsed_dns(module, tmp_ctx, el, &dns, schema_attr->syntax->ldap_oid, parent);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
}
- ret = get_parsed_dns(module, tmp_ctx, old_el, &old_dns, schema_attr->syntax->ldap_oid);
+ ret = get_parsed_dns(module, tmp_ctx, old_el, &old_dns, schema_attr->syntax->ldap_oid, parent);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
(old_p = parsed_dn_find(old_dns,
old_num_values, p->guid, NULL)) != NULL) {
/* update in place */
- ret = replmd_update_la_val(old_el->values, old_p->v, old_p->dsdb_dn,
+ ret = replmd_update_la_val(old_el->values, old_p->v, p->dsdb_dn,
old_p->dsdb_dn, invocation_id,
seq_num, seq_num, now, 0, false);
if (ret != LDB_SUCCESS) {
*/
static int replmd_modify_handle_linked_attribs(struct ldb_module *module,
struct ldb_message *msg,
- uint64_t seq_num, time_t t)
+ uint64_t seq_num, time_t t,
+ struct ldb_request *parent)
{
struct ldb_result *res;
unsigned int i;
return LDB_SUCCESS;
}
-#if !W2K3_LINKED_ATTRIBUTES
- return LDB_SUCCESS;
-#endif
-
if (dsdb_functional_level(ldb) == DS_DOMAIN_FUNCTION_2000) {
/* don't do anything special for linked attributes */
return LDB_SUCCESS;
}
ret = dsdb_module_search_dn(module, msg, &res, msg->dn, NULL,
- DSDB_SEARCH_SHOW_DELETED |
+ DSDB_FLAG_NEXT_MODULE |
+ DSDB_SEARCH_SHOW_RECYCLED |
DSDB_SEARCH_REVEAL_INTERNALS |
- DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT);
+ DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT,
+ parent);
if (ret != LDB_SUCCESS) {
return ret;
}
= dsdb_attribute_by_lDAPDisplayName(schema, el->name);
if (!schema_attr) {
ldb_asprintf_errstring(ldb,
- "attribute %s is not a valid attribute in schema", el->name);
+ "%s: attribute %s is not a valid attribute in schema",
+ __FUNCTION__, el->name);
return LDB_ERR_OBJECT_CLASS_VIOLATION;
}
if (schema_attr->linkID == 0) {
continue;
}
if ((schema_attr->linkID & 1) == 1) {
+ if (parent && ldb_request_get_control(parent, DSDB_CONTROL_DBCHECK)) {
+ continue;
+ }
/* Odd is for the target. Illegal to modify */
ldb_asprintf_errstring(ldb,
"attribute %s must not be modified directly, it is a linked attribute", el->name);
old_el = ldb_msg_find_element(old_msg, el->name);
switch (el->flags & LDB_FLAG_MOD_MASK) {
case LDB_FLAG_MOD_REPLACE:
- ret = replmd_modify_la_replace(module, schema, msg, el, old_el, schema_attr, seq_num, t, &old_guid);
+ ret = replmd_modify_la_replace(module, schema, msg, el, old_el, schema_attr, seq_num, t, &old_guid, parent);
break;
case LDB_FLAG_MOD_DELETE:
- ret = replmd_modify_la_delete(module, schema, msg, el, old_el, schema_attr, seq_num, t, &old_guid);
+ ret = replmd_modify_la_delete(module, schema, msg, el, old_el, schema_attr, seq_num, t, &old_guid, parent);
break;
case LDB_FLAG_MOD_ADD:
- ret = replmd_modify_la_add(module, schema, msg, el, old_el, schema_attr, seq_num, t, &old_guid);
+ ret = replmd_modify_la_add(module, schema, msg, el, old_el, schema_attr, seq_num, t, &old_guid, parent);
break;
default:
ldb_asprintf_errstring(ldb,
el->flags, el->name);
return LDB_ERR_UNWILLING_TO_PERFORM;
}
+ if (dsdb_check_single_valued_link(schema_attr, el) != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb,
+ "Attribute %s is single valued but more than one value has been supplied",
+ el->name);
+ return LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS;
+ } else {
+ el->flags |= LDB_FLAG_INTERNAL_DISABLE_SINGLE_VALUE_CHECK;
+ }
+
+
+
if (ret != LDB_SUCCESS) {
return ret;
}
static int replmd_modify(struct ldb_module *module, struct ldb_request *req)
{
+ struct samldb_msds_intid_persistant *msds_intid_struct;
struct ldb_context *ldb;
struct replmd_replicated_request *ac;
struct ldb_request *down_req;
struct ldb_message *msg;
time_t t = time(NULL);
int ret;
- bool is_urgent = false;
- struct loadparm_context *lp_ctx;
- char *referral;
+ bool is_urgent = false, rodc = false;
+ unsigned int functional_level;
+ const DATA_BLOB *guid_blob;
+ struct ldb_control *sd_propagation_control;
/* do not manipulate our control entries */
if (ldb_dn_is_special(req->op.mod.message->dn)) {
return ldb_next_request(module, req);
}
+ sd_propagation_control = ldb_request_get_control(req,
+ DSDB_CONTROL_SEC_DESC_PROPAGATION_OID);
+ if (sd_propagation_control != NULL) {
+ if (req->op.mod.message->num_elements != 1) {
+ return ldb_module_operr(module);
+ }
+ ret = strcmp(req->op.mod.message->elements[0].name,
+ "nTSecurityDescriptor");
+ if (ret != 0) {
+ return ldb_module_operr(module);
+ }
+
+ return ldb_next_request(module, req);
+ }
+
ldb = ldb_module_get_ctx(module);
- lp_ctx = talloc_get_type(ldb_get_opaque(ldb, "loadparm"),
- struct loadparm_context);
ldb_debug(ldb, LDB_DEBUG_TRACE, "replmd_modify\n");
+ guid_blob = ldb_msg_find_ldb_val(req->op.mod.message, "objectGUID");
+ if ( guid_blob != NULL ) {
+ ldb_set_errstring(ldb,
+ "replmd_modify: it's not allowed to change the objectGUID!");
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
ac = replmd_ctx_init(module, req);
- if (!ac) {
- return LDB_ERR_OPERATIONS_ERROR;
+ if (ac == NULL) {
+ return ldb_module_oom(module);
}
+ functional_level = dsdb_functional_level(ldb);
+
/* we have to copy the message as the caller might have it as a const */
msg = ldb_msg_copy_shallow(ac, req->op.mod.message);
if (msg == NULL) {
ldb_msg_remove_attr(msg, "whenChanged");
ldb_msg_remove_attr(msg, "uSNChanged");
- ret = replmd_update_rpmd(module, ac->schema, req, msg, &ac->seq_num, t, &is_urgent);
- if (ret == LDB_ERR_REFERRAL) {
- talloc_free(ac);
+ ret = replmd_update_rpmd(module, ac->schema, req, NULL,
+ msg, &ac->seq_num, t, &is_urgent, &rodc);
+ if (rodc && (ret == LDB_ERR_REFERRAL)) {
+ struct loadparm_context *lp_ctx;
+ char *referral;
+
+ lp_ctx = talloc_get_type(ldb_get_opaque(ldb, "loadparm"),
+ struct loadparm_context);
referral = talloc_asprintf(req,
"ldap://%s/%s",
- lp_dnsdomain(lp_ctx),
+ lpcfg_dnsdomain(lp_ctx),
ldb_dn_get_linearized(msg->dn));
ret = ldb_module_send_referral(req, referral);
- return ldb_module_done(req, NULL, NULL, ret);
+ talloc_free(ac);
+ return ret;
}
if (ret != LDB_SUCCESS) {
return ret;
}
- ret = replmd_modify_handle_linked_attribs(module, msg, ac->seq_num, t);
+ ret = replmd_modify_handle_linked_attribs(module, msg, ac->seq_num, t, req);
if (ret != LDB_SUCCESS) {
talloc_free(ac);
return ret;
req->controls,
ac, replmd_op_callback,
req);
+ LDB_REQ_SET_LOCATION(down_req);
if (ret != LDB_SUCCESS) {
talloc_free(ac);
return ret;
}
+
+ /* current partition control is needed by "replmd_op_callback" */
+ if (ldb_request_get_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID) == NULL) {
+ ret = ldb_request_add_control(down_req,
+ DSDB_CONTROL_CURRENT_PARTITION_OID,
+ false, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ac);
+ return ret;
+ }
+ }
+
+ /* If we are in functional level 2000, then
+ * replmd_modify_handle_linked_attribs will have done
+ * nothing */
+ if (functional_level == DS_DOMAIN_FUNCTION_2000) {
+ ret = ldb_request_add_control(down_req, DSDB_CONTROL_APPLY_LINKS, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ac);
+ return ret;
+ }
+ }
+
talloc_steal(down_req, msg);
/* we only change whenChanged and uSNChanged if the seq_num
has changed */
if (ac->seq_num != 0) {
- if (add_time_element(msg, "whenChanged", t) != LDB_SUCCESS) {
+ ret = add_time_element(msg, "whenChanged", t);
+ if (ret != LDB_SUCCESS) {
talloc_free(ac);
+ ldb_operr(ldb);
return ret;
}
- if (add_uint64_element(msg, "uSNChanged", ac->seq_num) != LDB_SUCCESS) {
+ ret = add_uint64_element(ldb, msg, "uSNChanged", ac->seq_num);
+ if (ret != LDB_SUCCESS) {
talloc_free(ac);
+ ldb_operr(ldb);
return ret;
}
}
+ if (!ldb_dn_compare_base(ac->schema->base_dn, msg->dn)) {
+ /* Update the usn in the SAMLDB_MSDS_INTID_OPAQUE opaque */
+ msds_intid_struct = (struct samldb_msds_intid_persistant *) ldb_get_opaque(ldb, SAMLDB_MSDS_INTID_OPAQUE);
+ if (msds_intid_struct) {
+ msds_intid_struct->usn = ac->seq_num;
+ }
+ }
+
/* go on with the call chain */
return ldb_next_request(module, down_req);
}
ldb_debug(ldb, LDB_DEBUG_TRACE, "replmd_rename\n");
ac = replmd_ctx_init(module, req);
- if (!ac) {
- return LDB_ERR_OPERATIONS_ERROR;
+ if (ac == NULL) {
+ return ldb_module_oom(module);
}
+
ret = ldb_build_rename_req(&down_req, ldb, ac,
ac->req->op.rename.olddn,
ac->req->op.rename.newdn,
ac->req->controls,
ac, replmd_rename_callback,
ac->req);
-
+ LDB_REQ_SET_LOCATION(down_req);
if (ret != LDB_SUCCESS) {
talloc_free(ac);
return ret;
struct replmd_replicated_request *ac;
struct ldb_request *down_req;
struct ldb_message *msg;
+ const struct dsdb_attribute *rdn_attr;
+ const char *rdn_name;
+ const struct ldb_val *rdn_val;
+ const char *attrs[5] = { NULL, };
time_t t = time(NULL);
int ret;
+ bool is_urgent = false, rodc = false;
ac = talloc_get_type(req->context, struct replmd_replicated_request);
ldb = ldb_module_get_ctx(ac->module);
LDB_ERR_OPERATIONS_ERROR);
}
- /* Get a sequence number from the backend */
- ret = ldb_sequence_number(ldb, LDB_SEQ_NEXT, &ac->seq_num);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
/* TODO:
* - replace the old object with the newly constructed one
*/
msg->dn = ac->req->op.rename.newdn;
- ret = ldb_build_mod_req(&down_req, ldb, ac,
- msg,
- req->controls,
- ac, replmd_op_callback,
- req);
-
- if (ret != LDB_SUCCESS) {
- talloc_free(ac);
- return ret;
+ rdn_name = ldb_dn_get_rdn_name(msg->dn);
+ if (rdn_name == NULL) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL,
+ ldb_operr(ldb));
}
- talloc_steal(down_req, msg);
- if (add_time_element(msg, "whenChanged", t) != LDB_SUCCESS) {
- talloc_free(ac);
+ /* normalize the rdn attribute name */
+ rdn_attr = dsdb_attribute_by_lDAPDisplayName(ac->schema, rdn_name);
+ if (rdn_attr == NULL) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL,
+ ldb_operr(ldb));
+ }
+ rdn_name = rdn_attr->lDAPDisplayName;
+
+ rdn_val = ldb_dn_get_rdn_val(msg->dn);
+ if (rdn_val == NULL) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL,
+ ldb_operr(ldb));
+ }
+
+ if (ldb_msg_add_empty(msg, rdn_name, LDB_FLAG_MOD_REPLACE, NULL) != 0) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL,
+ ldb_oom(ldb));
+ }
+ if (ldb_msg_add_value(msg, rdn_name, rdn_val, NULL) != 0) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL,
+ ldb_oom(ldb));
+ }
+ if (ldb_msg_add_empty(msg, "name", LDB_FLAG_MOD_REPLACE, NULL) != 0) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL,
+ ldb_oom(ldb));
+ }
+ if (ldb_msg_add_value(msg, "name", rdn_val, NULL) != 0) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL,
+ ldb_oom(ldb));
+ }
+
+ /*
+ * here we let replmd_update_rpmd() only search for
+ * the existing "replPropertyMetaData" and rdn_name attributes.
+ *
+ * We do not want the existing "name" attribute as
+ * the "name" attribute needs to get the version
+ * updated on rename even if the rdn value hasn't changed.
+ *
+ * This is the diff of the meta data, for a moved user
+ * on a w2k8r2 server:
+ *
+ * # record 1
+ * -dn: CN=sdf df,CN=Users,DC=bla,DC=base
+ * +dn: CN=sdf df,OU=TestOU,DC=bla,DC=base
+ * replPropertyMetaData: NDR: struct replPropertyMetaDataBlob
+ * version : 0x00000001 (1)
+ * reserved : 0x00000000 (0)
+ * @@ -66,11 +66,11 @@ replPropertyMetaData: NDR: struct re
+ * local_usn : 0x00000000000037a5 (14245)
+ * array: struct replPropertyMetaData1
+ * attid : DRSUAPI_ATTID_name (0x90001)
+ * - version : 0x00000001 (1)
+ * - originating_change_time : Wed Feb 9 17:20:49 2011 CET
+ * + version : 0x00000002 (2)
+ * + originating_change_time : Wed Apr 6 15:21:01 2011 CEST
+ * originating_invocation_id: 0d36ca05-5507-4e62-aca3-354bab0d39e1
+ * - originating_usn : 0x00000000000037a5 (14245)
+ * - local_usn : 0x00000000000037a5 (14245)
+ * + originating_usn : 0x0000000000003834 (14388)
+ * + local_usn : 0x0000000000003834 (14388)
+ * array: struct replPropertyMetaData1
+ * attid : DRSUAPI_ATTID_userAccountControl (0x90008)
+ * version : 0x00000004 (4)
+ */
+ attrs[0] = "replPropertyMetaData";
+ attrs[1] = "objectClass";
+ attrs[2] = "instanceType";
+ attrs[3] = rdn_name;
+ attrs[4] = NULL;
+
+ ret = replmd_update_rpmd(ac->module, ac->schema, req, attrs,
+ msg, &ac->seq_num, t, &is_urgent, &rodc);
+ if (rodc && (ret == LDB_ERR_REFERRAL)) {
+ struct ldb_dn *olddn = ac->req->op.rename.olddn;
+ struct loadparm_context *lp_ctx;
+ char *referral;
+
+ lp_ctx = talloc_get_type(ldb_get_opaque(ldb, "loadparm"),
+ struct loadparm_context);
+
+ referral = talloc_asprintf(req,
+ "ldap://%s/%s",
+ lpcfg_dnsdomain(lp_ctx),
+ ldb_dn_get_linearized(olddn));
+ ret = ldb_module_send_referral(req, referral);
+ talloc_free(ares);
+ return ldb_module_done(req, NULL, NULL, ret);
+ }
+
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+
+ if (ac->seq_num == 0) {
+ talloc_free(ares);
+ return ldb_module_done(ac->req, NULL, NULL,
+ ldb_error(ldb, ret,
+ "internal error seq_num == 0"));
+ }
+ ac->is_urgent = is_urgent;
+
+ ret = ldb_build_mod_req(&down_req, ldb, ac,
+ msg,
+ req->controls,
+ ac, replmd_op_callback,
+ req);
+ LDB_REQ_SET_LOCATION(down_req);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ac);
+ return ret;
+ }
+
+ /* current partition control is needed by "replmd_op_callback" */
+ if (ldb_request_get_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID) == NULL) {
+ ret = ldb_request_add_control(down_req,
+ DSDB_CONTROL_CURRENT_PARTITION_OID,
+ false, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ac);
+ return ret;
+ }
+ }
+
+ talloc_steal(down_req, msg);
+
+ ret = add_time_element(msg, "whenChanged", t);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ac);
+ ldb_operr(ldb);
return ret;
}
-
- if (add_uint64_element(msg, "uSNChanged", ac->seq_num) != LDB_SUCCESS) {
+
+ ret = add_uint64_element(ldb, msg, "uSNChanged", ac->seq_num);
+ if (ret != LDB_SUCCESS) {
talloc_free(ac);
+ ldb_operr(ldb);
return ret;
}
const struct dsdb_schema *schema,
struct ldb_dn *dn,
struct ldb_message_element *el,
- const struct dsdb_attribute *sa)
+ const struct dsdb_attribute *sa,
+ struct ldb_request *parent)
{
unsigned int i;
TALLOC_CTX *tmp_ctx = talloc_new(module);
el2->values = &dn_val;
el2->num_values = 1;
- ret = dsdb_module_modify(module, msg, DSDB_FLAG_OWN_MODULE);
+ ret = dsdb_module_modify(module, msg, DSDB_FLAG_OWN_MODULE, parent);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
static int replmd_delete(struct ldb_module *module, struct ldb_request *req)
{
int ret = LDB_ERR_OTHER;
- bool retb;
+ bool retb, disallow_move_on_delete;
struct ldb_dn *old_dn, *new_dn;
const char *rdn_name;
const struct ldb_val *rdn_value, *new_rdn_value;
ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
-
+
schema = dsdb_get_schema(ldb, tmp_ctx);
if (!schema) {
return LDB_ERR_OPERATIONS_ERROR;
/* we need the complete msg off disk, so we can work out which
attributes need to be removed */
ret = dsdb_module_search_dn(module, tmp_ctx, &res, old_dn, NULL,
- DSDB_SEARCH_SHOW_DELETED |
+ DSDB_FLAG_NEXT_MODULE |
+ DSDB_SEARCH_SHOW_RECYCLED |
DSDB_SEARCH_REVEAL_INTERNALS |
- DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT);
+ DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT, req);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
rdn_name = ldb_dn_get_rdn_name(old_dn);
rdn_value = ldb_dn_get_rdn_val(old_dn);
+ if ((rdn_name == NULL) || (rdn_value == NULL)) {
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
msg = ldb_msg_new(tmp_ctx);
if (msg == NULL) {
msg->dn = old_dn;
if (deletion_state == OBJECT_NOT_DELETED){
+ /* consider the SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE flag */
+ disallow_move_on_delete =
+ (ldb_msg_find_attr_as_int(old_msg, "systemFlags", 0)
+ & SYSTEM_FLAG_DISALLOW_MOVE_ON_DELETE);
+
/* work out where we will be renaming this object to */
- ret = dsdb_get_deleted_objects_dn(ldb, tmp_ctx, old_dn, &new_dn);
- if (ret != LDB_SUCCESS) {
- /* this is probably an attempted delete on a partition
- * that doesn't allow delete operations, such as the
- * schema partition */
- ldb_asprintf_errstring(ldb, "No Deleted Objects container for DN %s",
- ldb_dn_get_linearized(old_dn));
- talloc_free(tmp_ctx);
- return LDB_ERR_UNWILLING_TO_PERFORM;
+ if (!disallow_move_on_delete) {
+ ret = dsdb_get_deleted_objects_dn(ldb, tmp_ctx, old_dn,
+ &new_dn);
+ if (ret != LDB_SUCCESS) {
+ /* this is probably an attempted delete on a partition
+ * that doesn't allow delete operations, such as the
+ * schema partition */
+ ldb_asprintf_errstring(ldb, "No Deleted Objects container for DN %s",
+ ldb_dn_get_linearized(old_dn));
+ talloc_free(tmp_ctx);
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ } else {
+ new_dn = ldb_dn_get_parent(tmp_ctx, old_dn);
+ if (new_dn == NULL) {
+ ldb_module_oom(module);
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
}
/* get the objects GUID from the search we just did */
/* Add a formatted child */
retb = ldb_dn_add_child_fmt(new_dn, "%s=%s\\0ADEL:%s",
rdn_name,
- rdn_value->data,
+ ldb_dn_escape_value(tmp_ctx, *rdn_value),
GUID_string(tmp_ctx, &guid));
if (!retb) {
DEBUG(0,(__location__ ": Unable to add a formatted child to dn: %s",
talloc_free(tmp_ctx);
return ret;
}
- msg->elements[el_count++].flags = LDB_FLAG_MOD_ADD;
+ msg->elements[el_count++].flags = LDB_FLAG_MOD_REPLACE;
}
/*
/* we need the storage form of the parent GUID */
ret = dsdb_module_search_dn(module, tmp_ctx, &parent_res,
ldb_dn_get_parent(tmp_ctx, old_dn), NULL,
+ DSDB_FLAG_NEXT_MODULE |
DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT |
DSDB_SEARCH_REVEAL_INTERNALS|
- DSDB_SEARCH_SHOW_DELETED);
+ DSDB_SEARCH_SHOW_RECYCLED, req);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
talloc_free(tmp_ctx);
return ret;
}
- msg->elements[el_count++].flags = LDB_FLAG_MOD_ADD;
+ msg->elements[el_count++].flags = LDB_FLAG_MOD_REPLACE;
}
switch (next_deletion_state){
}
msg->elements[el_count++].flags = LDB_FLAG_MOD_ADD;
- ret = ldb_msg_add_empty(msg, "objectCategory", LDB_FLAG_MOD_DELETE, NULL);
+ ret = ldb_msg_add_empty(msg, "objectCategory", LDB_FLAG_MOD_REPLACE, NULL);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
ldb_module_oom(module);
return ret;
}
- ret = ldb_msg_add_empty(msg, "sAMAccountType", LDB_FLAG_MOD_DELETE, NULL);
+ ret = ldb_msg_add_empty(msg, "sAMAccountType", LDB_FLAG_MOD_REPLACE, NULL);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
ldb_module_oom(module);
case OBJECT_RECYCLED:
case OBJECT_TOMBSTONE:
- /* we also mark it as recycled, meaning this object can't be
- recovered (we are stripping its attributes) */
- if (dsdb_functional_level(ldb) >= DS_DOMAIN_FUNCTION_2008_R2) {
+ /*
+ * we also mark it as recycled, meaning this object can't be
+ * recovered (we are stripping its attributes).
+ * This is done only if we have this schema object of course ...
+ * This behavior is identical to the one of Windows 2008R2 which
+ * always set the isRecycled attribute, even if the recycle-bin is
+ * not activated and what ever the forest level is.
+ */
+ if (dsdb_attribute_by_lDAPDisplayName(schema, "isRecycled") != NULL) {
ret = ldb_msg_add_string(msg, "isRecycled", "TRUE");
if (ret != LDB_SUCCESS) {
DEBUG(0,(__location__ ": Failed to add isRecycled string to the msg\n"));
/* don't remove the rDN */
continue;
}
- if (sa->linkID && sa->linkID & 1) {
- ret = replmd_delete_remove_link(module, schema, old_dn, el, sa);
+ if (sa->linkID && (sa->linkID & 1)) {
+ /*
+ we have a backlink in this object
+ that needs to be removed. We're not
+ allowed to remove it directly
+ however, so we instead setup a
+ modify to delete the corresponding
+ forward link
+ */
+ ret = replmd_delete_remove_link(module, schema, old_dn, el, sa, req);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
+ /* now we continue, which means we
+ won't remove this backlink
+ directly
+ */
continue;
}
if (!sa->linkID && ldb_attr_in_list(preserved_attrs, el->name)) {
}
if (deletion_state == OBJECT_NOT_DELETED) {
+ const struct dsdb_attribute *sa;
+
/* work out what the new rdn value is, for updating the
rDN and name fields */
new_rdn_value = ldb_dn_get_rdn_val(new_dn);
+ if (new_rdn_value == NULL) {
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
+ sa = dsdb_attribute_by_lDAPDisplayName(schema, rdn_name);
+ if (!sa) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- ret = ldb_msg_add_value(msg, strlower_talloc(tmp_ctx, rdn_name), new_rdn_value, &el);
+ ret = ldb_msg_add_value(msg, sa->lDAPDisplayName, new_rdn_value,
+ &el);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
}
}
- ret = dsdb_module_modify(module, msg, DSDB_FLAG_OWN_MODULE);
+ ret = dsdb_module_modify(module, msg, DSDB_FLAG_OWN_MODULE, req);
if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb, "replmd_delete: Failed to modify object %s in delete - %s",
ldb_dn_get_linearized(old_dn), ldb_errstring(ldb));
if (deletion_state == OBJECT_NOT_DELETED) {
/* now rename onto the new DN */
- ret = dsdb_module_rename(module, old_dn, new_dn, 0);
+ ret = dsdb_module_rename(module, old_dn, new_dn, DSDB_FLAG_NEXT_MODULE, req);
if (ret != LDB_SUCCESS){
DEBUG(0,(__location__ ": Failed to rename object from '%s' to '%s' - %s\n",
ldb_dn_get_linearized(old_dn),
ldb_dn_get_linearized(new_dn),
- ldb_errstring(ldb)));
- talloc_free(tmp_ctx);
- return ret;
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ }
+
+ talloc_free(tmp_ctx);
+
+ return ldb_module_done(req, NULL, NULL, LDB_SUCCESS);
+}
+
+
+
+static int replmd_replicated_request_error(struct replmd_replicated_request *ar, int ret)
+{
+ return ret;
+}
+
+static int replmd_replicated_request_werror(struct replmd_replicated_request *ar, WERROR status)
+{
+ int ret = LDB_ERR_OTHER;
+ /* TODO: do some error mapping */
+ return ret;
+}
+
+
+static struct replPropertyMetaData1 *
+replmd_replPropertyMetaData1_find_attid(struct replPropertyMetaDataBlob *md_blob,
+ enum drsuapi_DsAttributeId attid)
+{
+ uint32_t i;
+ struct replPropertyMetaDataCtr1 *rpmd_ctr = &md_blob->ctr.ctr1;
+
+ for (i = 0; i < rpmd_ctr->count; i++) {
+ if (rpmd_ctr->array[i].attid == attid) {
+ return &rpmd_ctr->array[i];
+ }
+ }
+ return NULL;
+}
+
+
+/*
+ return true if an update is newer than an existing entry
+ see section 5.11 of MS-ADTS
+*/
+static bool replmd_update_is_newer(const struct GUID *current_invocation_id,
+ const struct GUID *update_invocation_id,
+ uint32_t current_version,
+ uint32_t update_version,
+ NTTIME current_change_time,
+ NTTIME update_change_time)
+{
+ if (update_version != current_version) {
+ return update_version > current_version;
+ }
+ if (update_change_time != current_change_time) {
+ return update_change_time > current_change_time;
+ }
+ return GUID_compare(update_invocation_id, current_invocation_id) > 0;
+}
+
+static bool replmd_replPropertyMetaData1_is_newer(struct replPropertyMetaData1 *cur_m,
+ struct replPropertyMetaData1 *new_m)
+{
+ return replmd_update_is_newer(&cur_m->originating_invocation_id,
+ &new_m->originating_invocation_id,
+ cur_m->version,
+ new_m->version,
+ cur_m->originating_change_time,
+ new_m->originating_change_time);
+}
+
+
+/*
+ form a conflict DN
+ */
+static struct ldb_dn *replmd_conflict_dn(TALLOC_CTX *mem_ctx, struct ldb_dn *dn, struct GUID *guid)
+{
+ const struct ldb_val *rdn_val;
+ const char *rdn_name;
+ struct ldb_dn *new_dn;
+
+ rdn_val = ldb_dn_get_rdn_val(dn);
+ rdn_name = ldb_dn_get_rdn_name(dn);
+ if (!rdn_val || !rdn_name) {
+ return NULL;
+ }
+
+ new_dn = ldb_dn_copy(mem_ctx, dn);
+ if (!new_dn) {
+ return NULL;
+ }
+
+ if (!ldb_dn_remove_child_components(new_dn, 1)) {
+ return NULL;
+ }
+
+ if (!ldb_dn_add_child_fmt(new_dn, "%s=%s\\0ACNF:%s",
+ rdn_name,
+ ldb_dn_escape_value(new_dn, *rdn_val),
+ GUID_string(new_dn, guid))) {
+ return NULL;
+ }
+
+ return new_dn;
+}
+
+
+/*
+ perform a modify operation which sets the rDN and name attributes to
+ their current values. This has the effect of changing these
+ attributes to have been last updated by the current DC. This is
+ needed to ensure that renames performed as part of conflict
+ resolution are propogated to other DCs
+ */
+static int replmd_name_modify(struct replmd_replicated_request *ar,
+ struct ldb_request *req, struct ldb_dn *dn)
+{
+ struct ldb_message *msg;
+ const char *rdn_name;
+ const struct ldb_val *rdn_val;
+ const struct dsdb_attribute *rdn_attr;
+ int ret;
+
+ msg = ldb_msg_new(req);
+ if (msg == NULL) {
+ goto failed;
+ }
+ msg->dn = dn;
+
+ rdn_name = ldb_dn_get_rdn_name(dn);
+ if (rdn_name == NULL) {
+ goto failed;
+ }
+
+ /* normalize the rdn attribute name */
+ rdn_attr = dsdb_attribute_by_lDAPDisplayName(ar->schema, rdn_name);
+ if (rdn_attr == NULL) {
+ goto failed;
+ }
+ rdn_name = rdn_attr->lDAPDisplayName;
+
+ rdn_val = ldb_dn_get_rdn_val(dn);
+ if (rdn_val == NULL) {
+ goto failed;
+ }
+
+ if (ldb_msg_add_empty(msg, rdn_name, LDB_FLAG_MOD_REPLACE, NULL) != 0) {
+ goto failed;
+ }
+ if (ldb_msg_add_value(msg, rdn_name, rdn_val, NULL) != 0) {
+ goto failed;
+ }
+ if (ldb_msg_add_empty(msg, "name", LDB_FLAG_MOD_REPLACE, NULL) != 0) {
+ goto failed;
+ }
+ if (ldb_msg_add_value(msg, "name", rdn_val, NULL) != 0) {
+ goto failed;
+ }
+
+ ret = dsdb_module_modify(ar->module, msg, DSDB_FLAG_OWN_MODULE, req);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to modify rDN/name of conflict DN '%s' - %s",
+ ldb_dn_get_linearized(dn),
+ ldb_errstring(ldb_module_get_ctx(ar->module))));
+ return ret;
+ }
+
+ talloc_free(msg);
+
+ return LDB_SUCCESS;
+
+failed:
+ talloc_free(msg);
+ DEBUG(0,(__location__ ": Failed to setup modify rDN/name of conflict DN '%s'",
+ ldb_dn_get_linearized(dn)));
+ return LDB_ERR_OPERATIONS_ERROR;
+}
+
+
+/*
+ callback for conflict DN handling where we have renamed the incoming
+ record. After renaming it, we need to ensure the change of name and
+ rDN for the incoming record is seen as an originating update by this DC.
+
+ This also handles updating lastKnownParent for entries sent to lostAndFound
+ */
+static int replmd_op_name_modify_callback(struct ldb_request *req, struct ldb_reply *ares)
+{
+ struct replmd_replicated_request *ar =
+ talloc_get_type_abort(req->context, struct replmd_replicated_request);
+ struct ldb_dn *conflict_dn;
+ int ret;
+
+ if (ares->error != LDB_SUCCESS) {
+ /* call the normal callback for everything except success */
+ return replmd_op_callback(req, ares);
+ }
+
+ switch (req->operation) {
+ case LDB_ADD:
+ conflict_dn = req->op.add.message->dn;
+ break;
+ case LDB_MODIFY:
+ conflict_dn = req->op.mod.message->dn;
+ break;
+ default:
+ smb_panic("replmd_op_name_modify_callback called in unknown circumstances");
+ }
+
+ /* perform a modify of the rDN and name of the record */
+ ret = replmd_name_modify(ar, req, conflict_dn);
+ if (ret != LDB_SUCCESS) {
+ ares->error = ret;
+ return replmd_op_callback(req, ares);
+ }
+
+ if (ar->objs->objects[ar->index_current].last_known_parent) {
+ struct ldb_message *msg = ldb_msg_new(req);
+ if (msg == NULL) {
+ ldb_module_oom(ar->module);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ msg->dn = req->op.add.message->dn;
+
+ ret = ldb_msg_add_steal_string(msg, "lastKnownParent",
+ ldb_dn_get_extended_linearized(msg, ar->objs->objects[ar->index_current].last_known_parent, 1));
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to add lastKnownParent string to the msg\n"));
+ ldb_module_oom(ar->module);
+ return ret;
+ }
+ msg->elements[0].flags = LDB_FLAG_MOD_REPLACE;
+
+ ret = dsdb_module_modify(ar->module, msg, DSDB_FLAG_OWN_MODULE, req);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to modify lastKnownParent of lostAndFound DN '%s' - %s",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(ldb_module_get_ctx(ar->module))));
+ return ret;
+ }
+ TALLOC_FREE(msg);
+ }
+
+ return replmd_op_callback(req, ares);
+}
+
+/*
+ callback for replmd_replicated_apply_add() and replmd_replicated_handle_rename()
+ This copes with the creation of conflict records in the case where
+ the DN exists, but with a different objectGUID
+ */
+static int replmd_op_possible_conflict_callback(struct ldb_request *req, struct ldb_reply *ares, int (*callback)(struct ldb_request *req, struct ldb_reply *ares))
+{
+ struct ldb_dn *conflict_dn;
+ struct replmd_replicated_request *ar =
+ talloc_get_type_abort(req->context, struct replmd_replicated_request);
+ struct ldb_result *res;
+ const char *attrs[] = { "replPropertyMetaData", "objectGUID", NULL };
+ int ret;
+ const struct ldb_val *omd_value;
+ struct replPropertyMetaDataBlob omd, *rmd;
+ enum ndr_err_code ndr_err;
+ bool rename_incoming_record, rodc;
+ struct replPropertyMetaData1 *rmd_name, *omd_name;
+ struct ldb_message *msg;
+
+ req->callback = callback;
+
+ if (ares->error != LDB_ERR_ENTRY_ALREADY_EXISTS) {
+ /* call the normal callback for everything except
+ conflicts */
+ return ldb_module_done(req, ares->controls, ares->response, ares->error);
+ }
+
+ ret = samdb_rodc(ldb_module_get_ctx(ar->module), &rodc);
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(ar->module), "Failed to determine if we are an RODC when attempting to form conflict DN: %s", ldb_errstring(ldb_module_get_ctx(ar->module)));
+ return ldb_module_done(req, ares->controls, ares->response, LDB_ERR_OPERATIONS_ERROR);
+ }
+ /*
+ * we have a conflict, and need to decide if we will keep the
+ * new record or the old record
+ */
+
+ msg = ar->objs->objects[ar->index_current].msg;
+
+ switch (req->operation) {
+ case LDB_ADD:
+ conflict_dn = msg->dn;
+ break;
+ case LDB_RENAME:
+ conflict_dn = req->op.rename.newdn;
+ break;
+ default:
+ return ldb_module_done(req, ares->controls, ares->response, ldb_module_operr(ar->module));
+ }
+
+ if (rodc) {
+ /*
+ * We are on an RODC, or were a GC for this
+ * partition, so we have to fail this until
+ * someone who owns the partition sorts it
+ * out
+ */
+ ldb_asprintf_errstring(ldb_module_get_ctx(ar->module),
+ "Conflict adding object '%s' from incoming replication as we are read only for the partition. \n"
+ " - We must fail the operation until a master for this partition resolves the conflict",
+ ldb_dn_get_linearized(conflict_dn));
+ goto failed;
+ }
+
+ /*
+ * first we need the replPropertyMetaData attribute from the
+ * old record
+ */
+ ret = dsdb_module_search_dn(ar->module, req, &res, conflict_dn,
+ attrs,
+ DSDB_FLAG_NEXT_MODULE |
+ DSDB_SEARCH_SHOW_DELETED |
+ DSDB_SEARCH_SHOW_RECYCLED, req);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Unable to find object for conflicting record '%s'\n",
+ ldb_dn_get_linearized(conflict_dn)));
+ goto failed;
+ }
+
+ omd_value = ldb_msg_find_ldb_val(res->msgs[0], "replPropertyMetaData");
+ if (omd_value == NULL) {
+ DEBUG(0,(__location__ ": Unable to find replPropertyMetaData for conflicting record '%s'\n",
+ ldb_dn_get_linearized(conflict_dn)));
+ goto failed;
+ }
+
+ ndr_err = ndr_pull_struct_blob(omd_value, res->msgs[0], &omd,
+ (ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(0,(__location__ ": Failed to parse old replPropertyMetaData for %s\n",
+ ldb_dn_get_linearized(conflict_dn)));
+ goto failed;
+ }
+
+ rmd = ar->objs->objects[ar->index_current].meta_data;
+
+ /* we decide which is newer based on the RPMD on the name
+ attribute. See [MS-DRSR] ResolveNameConflict */
+ rmd_name = replmd_replPropertyMetaData1_find_attid(rmd, DRSUAPI_ATTID_name);
+ omd_name = replmd_replPropertyMetaData1_find_attid(&omd, DRSUAPI_ATTID_name);
+ if (!rmd_name || !omd_name) {
+ DEBUG(0,(__location__ ": Failed to find name attribute in replPropertyMetaData for %s\n",
+ ldb_dn_get_linearized(conflict_dn)));
+ goto failed;
+ }
+
+ rename_incoming_record = !(ar->objs->dsdb_repl_flags & DSDB_REPL_FLAG_PRIORITISE_INCOMING) &&
+ !replmd_replPropertyMetaData1_is_newer(omd_name, rmd_name);
+
+ if (rename_incoming_record) {
+ struct GUID guid;
+ struct ldb_dn *new_dn;
+ struct ldb_message *new_msg;
+
+ /*
+ * We want to run the original callback here, which
+ * will return LDB_ERR_ENTRY_ALREADY_EXISTS to the
+ * caller, which will in turn know to rename the
+ * incoming record. The error string is set in case
+ * this isn't handled properly at some point in the
+ * future.
+ */
+ if (req->operation == LDB_RENAME) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(ar->module),
+ "Unable to handle incoming renames where this would "
+ "create a conflict. Incoming record is %s (caller to handle)\n",
+ ldb_dn_get_extended_linearized(req, conflict_dn, 1));
+
+ goto failed;
+ }
+
+ guid = samdb_result_guid(msg, "objectGUID");
+ if (GUID_all_zero(&guid)) {
+ DEBUG(0,(__location__ ": Failed to find objectGUID for conflicting incoming record %s\n",
+ ldb_dn_get_linearized(conflict_dn)));
+ goto failed;
+ }
+ new_dn = replmd_conflict_dn(req, conflict_dn, &guid);
+ if (new_dn == NULL) {
+ DEBUG(0,(__location__ ": Failed to form conflict DN for %s\n",
+ ldb_dn_get_linearized(conflict_dn)));
+ goto failed;
+ }
+
+ DEBUG(1,(__location__ ": Resolving conflict record via incoming rename '%s' -> '%s'\n",
+ ldb_dn_get_linearized(conflict_dn), ldb_dn_get_linearized(new_dn)));
+
+ /* re-submit the request, but with a different
+ callback, so we don't loop forever. */
+ new_msg = ldb_msg_copy_shallow(req, msg);
+ if (!new_msg) {
+ goto failed;
+ DEBUG(0,(__location__ ": Failed to copy conflict DN message for %s\n",
+ ldb_dn_get_linearized(conflict_dn)));
+ }
+ new_msg->dn = new_dn;
+ req->op.add.message = new_msg;
+ req->callback = replmd_op_name_modify_callback;
+
+ return ldb_next_request(ar->module, req);
+ } else {
+ /* we are renaming the existing record */
+ struct GUID guid;
+ struct ldb_dn *new_dn;
+
+ guid = samdb_result_guid(res->msgs[0], "objectGUID");
+ if (GUID_all_zero(&guid)) {
+ DEBUG(0,(__location__ ": Failed to find objectGUID for existing conflict record %s\n",
+ ldb_dn_get_linearized(conflict_dn)));
+ goto failed;
+ }
+
+ new_dn = replmd_conflict_dn(req, conflict_dn, &guid);
+ if (new_dn == NULL) {
+ DEBUG(0,(__location__ ": Failed to form conflict DN for %s\n",
+ ldb_dn_get_linearized(conflict_dn)));
+ goto failed;
+ }
+
+ DEBUG(1,(__location__ ": Resolving conflict record via existing rename '%s' -> '%s'\n",
+ ldb_dn_get_linearized(conflict_dn), ldb_dn_get_linearized(new_dn)));
+
+ ret = dsdb_module_rename(ar->module, conflict_dn, new_dn,
+ DSDB_FLAG_OWN_MODULE, req);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to rename conflict dn '%s' to '%s' - %s\n",
+ ldb_dn_get_linearized(conflict_dn),
+ ldb_dn_get_linearized(new_dn),
+ ldb_errstring(ldb_module_get_ctx(ar->module))));
+ goto failed;
}
- }
- talloc_free(tmp_ctx);
+ /*
+ * now we need to ensure that the rename is seen as an
+ * originating update. We do that with a modify.
+ */
+ ret = replmd_name_modify(ar, req, new_dn);
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
- return ldb_module_done(req, NULL, NULL, LDB_SUCCESS);
+ return ldb_next_request(ar->module, req);
+ }
+
+failed:
+ /* on failure do the original callback. This means replication
+ * will stop with an error, but there is not much else we can
+ * do
+ */
+ return ldb_module_done(req, ares->controls, ares->response, ares->error);
}
+/*
+ callback for replmd_replicated_apply_add()
+ This copes with the creation of conflict records in the case where
+ the DN exists, but with a different objectGUID
+ */
+static int replmd_op_add_callback(struct ldb_request *req, struct ldb_reply *ares)
+{
+ struct replmd_replicated_request *ar =
+ talloc_get_type_abort(req->context, struct replmd_replicated_request);
+ if (ar->objs->objects[ar->index_current].last_known_parent) {
+ /* This is like a conflict DN, where we put the object in LostAndFound
+ see MS-DRSR 4.1.10.6.10 FindBestParentObject */
+ return replmd_op_possible_conflict_callback(req, ares, replmd_op_name_modify_callback);
+ }
-static int replmd_replicated_request_error(struct replmd_replicated_request *ar, int ret)
-{
- return ret;
+ return replmd_op_possible_conflict_callback(req, ares, replmd_op_callback);
}
-static int replmd_replicated_request_werror(struct replmd_replicated_request *ar, WERROR status)
+/*
+ callback for replmd_replicated_handle_rename()
+ This copes with the creation of conflict records in the case where
+ the DN exists, but with a different objectGUID
+ */
+static int replmd_op_rename_callback(struct ldb_request *req, struct ldb_reply *ares)
{
- int ret = LDB_ERR_OTHER;
- /* TODO: do some error mapping */
- return ret;
+ return replmd_op_possible_conflict_callback(req, ares, ldb_modify_default_callback);
}
+/*
+ this is called when a new object comes in over DRS
+ */
static int replmd_replicated_apply_add(struct replmd_replicated_request *ar)
{
struct ldb_context *ldb;
struct ldb_val md_value;
unsigned int i;
int ret;
+ bool remote_isDeleted = false;
/*
* TODO: check if the parent object exist
continue;
}
}
-
+
+ remote_isDeleted = ldb_msg_find_attr_as_bool(msg,
+ "isDeleted", false);
+
/*
* the meta data array is already sorted by the caller
*/
for (i=0; i < md->ctr.ctr1.count; i++) {
md->ctr.ctr1.array[i].local_usn = ar->seq_num;
}
- ndr_err = ndr_push_struct_blob(&md_value, msg,
- lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
- md,
+ ndr_err = ndr_push_struct_blob(&md_value, msg, md,
(ndr_push_flags_fn_t)ndr_push_replPropertyMetaDataBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
replmd_ldb_message_sort(msg, ar->schema);
+ if (!remote_isDeleted) {
+ ret = dsdb_module_schedule_sd_propagation(ar->module,
+ msg->dn, true);
+ if (ret != LDB_SUCCESS) {
+ return replmd_replicated_request_error(ar, ret);
+ }
+ }
+
if (DEBUGLVL(4)) {
char *s = ldb_ldif_message_string(ldb, ar, LDB_CHANGETYPE_ADD, msg);
DEBUG(4, ("DRS replication add message:\n%s\n", s));
msg,
ar->controls,
ar,
- replmd_op_callback,
+ replmd_op_add_callback,
ar->req);
+ LDB_REQ_SET_LOCATION(change_req);
if (ret != LDB_SUCCESS) return replmd_replicated_request_error(ar, ret);
+ /* current partition control needed by "repmd_op_callback" */
+ ret = ldb_request_add_control(change_req,
+ DSDB_CONTROL_CURRENT_PARTITION_OID,
+ false, NULL);
+ if (ret != LDB_SUCCESS) return replmd_replicated_request_error(ar, ret);
+
+ if (ar->objs->dsdb_repl_flags & DSDB_REPL_FLAG_PARTIAL_REPLICA) {
+ /* this tells the partition module to make it a
+ partial replica if creating an NC */
+ ret = ldb_request_add_control(change_req,
+ DSDB_CONTROL_PARTIAL_REPLICA,
+ false, NULL);
+ if (ret != LDB_SUCCESS) return replmd_replicated_request_error(ar, ret);
+ }
+
return ldb_next_request(ar->module, change_req);
}
-/*
- return true if an update is newer than an existing entry
- see section 5.11 of MS-ADTS
-*/
-static bool replmd_update_is_newer(const struct GUID *current_invocation_id,
- const struct GUID *update_invocation_id,
- uint32_t current_version,
- uint32_t update_version,
- NTTIME current_change_time,
- NTTIME update_change_time)
+static int replmd_replicated_apply_search_for_parent_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
{
- if (update_version != current_version) {
- return update_version > current_version;
+ struct replmd_replicated_request *ar = talloc_get_type(req->context,
+ struct replmd_replicated_request);
+ int ret;
+
+ if (!ares) {
+ return ldb_module_done(ar->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
}
- if (update_change_time > current_change_time) {
- return true;
+ if (ares->error != LDB_SUCCESS &&
+ ares->error != LDB_ERR_NO_SUCH_OBJECT) {
+ return ldb_module_done(ar->req, ares->controls,
+ ares->response, ares->error);
+ }
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+ {
+ struct ldb_message *parent_msg = ares->message;
+ struct ldb_message *msg = ar->objs->objects[ar->index_current].msg;
+ struct ldb_dn *parent_dn;
+ int comp_num;
+
+ if (!ldb_msg_check_string_attribute(msg, "isDeleted", "TRUE")
+ && ldb_msg_check_string_attribute(parent_msg, "isDeleted", "TRUE")) {
+ /* Per MS-DRSR 4.1.10.6.10
+ * FindBestParentObject we need to move this
+ * new object under a deleted object to
+ * lost-and-found */
+ struct ldb_dn *nc_root;
+
+ ret = dsdb_find_nc_root(ldb_module_get_ctx(ar->module), msg, msg->dn, &nc_root);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(ar->module),
+ "No suitable NC root found for %s. "
+ "We need to move this object because parent object %s "
+ "is deleted, but this object is not.",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_dn_get_linearized(parent_msg->dn));
+ return ldb_module_done(ar->req, NULL, NULL, LDB_ERR_OPERATIONS_ERROR);
+ } else if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(ar->module),
+ "Unable to find NC root for %s: %s. "
+ "We need to move this object because parent object %s "
+ "is deleted, but this object is not.",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(ldb_module_get_ctx(ar->module)),
+ ldb_dn_get_linearized(parent_msg->dn));
+ return ldb_module_done(ar->req, NULL, NULL, LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ ret = dsdb_wellknown_dn(ldb_module_get_ctx(ar->module), msg,
+ nc_root,
+ DS_GUID_LOSTANDFOUND_CONTAINER,
+ &parent_dn);
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(ar->module),
+ "Unable to find LostAndFound Container for %s "
+ "in partition %s: %s. "
+ "We need to move this object because parent object %s "
+ "is deleted, but this object is not.",
+ ldb_dn_get_linearized(msg->dn), ldb_dn_get_linearized(nc_root),
+ ldb_errstring(ldb_module_get_ctx(ar->module)),
+ ldb_dn_get_linearized(parent_msg->dn));
+ return ldb_module_done(ar->req, NULL, NULL, LDB_ERR_OPERATIONS_ERROR);
+ }
+ ar->objs->objects[ar->index_current].last_known_parent
+ = talloc_steal(ar->objs->objects[ar->index_current].msg, parent_msg->dn);
+ } else {
+ parent_dn = parent_msg->dn;
+ }
+
+ comp_num = ldb_dn_get_comp_num(msg->dn);
+ if (comp_num > 1) {
+ if (!ldb_dn_remove_base_components(msg->dn, comp_num - 1)) {
+ talloc_free(ares);
+ return ldb_module_done(ar->req, NULL, NULL, ldb_module_operr(ar->module));
+ }
+ }
+ if (!ldb_dn_add_base(msg->dn, parent_dn)) {
+ talloc_free(ares);
+ return ldb_module_done(ar->req, NULL, NULL, ldb_module_operr(ar->module));
+ }
+ break;
}
- if (update_change_time == current_change_time) {
- return GUID_compare(update_invocation_id, current_invocation_id) > 0;
+ case LDB_REPLY_REFERRAL:
+ /* we ignore referrals */
+ break;
+
+ case LDB_REPLY_DONE:
+ ret = replmd_replicated_apply_add(ar);
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ar->req, NULL, NULL, ret);
+ }
}
- return false;
+
+ talloc_free(ares);
+ return LDB_SUCCESS;
}
-static bool replmd_replPropertyMetaData1_is_newer(struct replPropertyMetaData1 *cur_m,
- struct replPropertyMetaData1 *new_m)
+/*
+ * Look for the parent object, so we put the new object in the right place
+ */
+
+static int replmd_replicated_apply_search_for_parent(struct replmd_replicated_request *ar)
{
- return replmd_update_is_newer(&cur_m->originating_invocation_id,
- &new_m->originating_invocation_id,
- cur_m->version,
- new_m->version,
- cur_m->originating_change_time,
- new_m->originating_change_time);
+ struct ldb_context *ldb;
+ int ret;
+ char *tmp_str;
+ char *filter;
+ struct ldb_request *search_req;
+ static const char *attrs[] = {"isDeleted", NULL};
+
+ ldb = ldb_module_get_ctx(ar->module);
+
+ if (!ar->objs->objects[ar->index_current].parent_guid_value.data) {
+ return replmd_replicated_apply_add(ar);
+ }
+
+ tmp_str = ldb_binary_encode(ar, ar->objs->objects[ar->index_current].parent_guid_value);
+ if (!tmp_str) return replmd_replicated_request_werror(ar, WERR_NOMEM);
+
+ filter = talloc_asprintf(ar, "(objectGUID=%s)", tmp_str);
+ if (!filter) return replmd_replicated_request_werror(ar, WERR_NOMEM);
+ talloc_free(tmp_str);
+
+ ret = ldb_build_search_req(&search_req,
+ ldb,
+ ar,
+ ar->objs->partition_dn,
+ LDB_SCOPE_SUBTREE,
+ filter,
+ attrs,
+ NULL,
+ ar,
+ replmd_replicated_apply_search_for_parent_callback,
+ ar->req);
+ LDB_REQ_SET_LOCATION(search_req);
+
+ ret = dsdb_request_add_controls(search_req,
+ DSDB_SEARCH_SHOW_RECYCLED|
+ DSDB_SEARCH_SHOW_DELETED|
+ DSDB_SEARCH_SHOW_EXTENDED_DN);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ return ldb_next_request(ar->module, search_req);
+}
+
+/*
+ handle renames that come in over DRS replication
+ */
+static int replmd_replicated_handle_rename(struct replmd_replicated_request *ar,
+ struct ldb_message *msg,
+ struct replPropertyMetaDataBlob *rmd,
+ struct replPropertyMetaDataBlob *omd,
+ struct ldb_request *parent)
+{
+ struct replPropertyMetaData1 *md_remote;
+ struct replPropertyMetaData1 *md_local;
+
+ if (ldb_dn_compare(msg->dn, ar->search_msg->dn) == 0) {
+ /* no rename */
+ return LDB_SUCCESS;
+ }
+
+ /* now we need to check for double renames. We could have a
+ * local rename pending which our replication partner hasn't
+ * received yet. We choose which one wins by looking at the
+ * attribute stamps on the two objects, the newer one wins
+ */
+ md_remote = replmd_replPropertyMetaData1_find_attid(rmd, DRSUAPI_ATTID_name);
+ md_local = replmd_replPropertyMetaData1_find_attid(omd, DRSUAPI_ATTID_name);
+ /* if there is no name attribute then we have to assume the
+ object we've received is in fact newer */
+ if (ar->objs->dsdb_repl_flags & DSDB_REPL_FLAG_PRIORITISE_INCOMING ||
+ !md_remote || !md_local ||
+ replmd_replPropertyMetaData1_is_newer(md_local, md_remote)) {
+ struct ldb_request *req;
+ int ret;
+ TALLOC_CTX *tmp_ctx = talloc_new(msg);
+ struct ldb_result *res;
+
+ DEBUG(4,("replmd_replicated_request rename %s => %s\n",
+ ldb_dn_get_linearized(ar->search_msg->dn),
+ ldb_dn_get_linearized(msg->dn)));
+
+
+ res = talloc_zero(tmp_ctx, struct ldb_result);
+ if (!res) {
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb_module_get_ctx(ar->module));
+ }
+
+ /* pass rename to the next module
+ * so it doesn't appear as an originating update */
+ ret = ldb_build_rename_req(&req, ldb_module_get_ctx(ar->module), tmp_ctx,
+ ar->search_msg->dn, msg->dn,
+ NULL,
+ ar,
+ replmd_op_rename_callback,
+ parent);
+ LDB_REQ_SET_LOCATION(req);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ ret = dsdb_request_add_controls(req, DSDB_MODIFY_RELAX);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ ret = ldb_next_request(ar->module, req);
+
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
+
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ /* we're going to keep our old object */
+ DEBUG(4,(__location__ ": Keeping object %s and rejecting older rename to %s\n",
+ ldb_dn_get_linearized(ar->search_msg->dn),
+ ldb_dn_get_linearized(msg->dn)));
+ return LDB_SUCCESS;
}
+
static int replmd_replicated_apply_merge(struct replmd_replicated_request *ar)
{
struct ldb_context *ldb;
uint32_t j,ni=0;
unsigned int removed_attrs = 0;
int ret;
+ int (*callback)(struct ldb_request *req, struct ldb_reply *ares) = replmd_op_callback;
+ bool isDeleted = false;
+ bool local_isDeleted = false;
+ bool remote_isDeleted = false;
+ bool take_remote_isDeleted = false;
+ bool sd_updated = false;
ldb = ldb_module_get_ctx(ar->module);
msg = ar->objs->objects[ar->index_current].msg;
+
rmd = ar->objs->objects[ar->index_current].meta_data;
ZERO_STRUCT(omd);
omd.version = 1;
- /*
- * TODO: check repl data is correct after a rename
- */
- if (ldb_dn_compare(msg->dn, ar->search_msg->dn) != 0) {
- ldb_debug(ldb, LDB_DEBUG_TRACE, "replmd_replicated_request rename %s => %s\n",
- ldb_dn_get_linearized(ar->search_msg->dn),
- ldb_dn_get_linearized(msg->dn));
- if (dsdb_module_rename(ar->module,
- ar->search_msg->dn, msg->dn,
- DSDB_FLAG_OWN_MODULE) != LDB_SUCCESS) {
- ldb_debug(ldb, LDB_DEBUG_FATAL, "replmd_replicated_request rename %s => %s failed - %s\n",
- ldb_dn_get_linearized(ar->search_msg->dn),
- ldb_dn_get_linearized(msg->dn),
- ldb_errstring(ldb));
- return replmd_replicated_request_werror(ar, WERR_DS_DRA_DB_ERROR);
- }
- }
-
/* find existing meta data */
omd_value = ldb_msg_find_ldb_val(ar->search_msg, "replPropertyMetaData");
if (omd_value) {
- ndr_err = ndr_pull_struct_blob(omd_value, ar,
- lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")), &omd,
+ ndr_err = ndr_pull_struct_blob(omd_value, ar, &omd,
(ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
}
}
+ local_isDeleted = ldb_msg_find_attr_as_bool(ar->search_msg,
+ "isDeleted", false);
+ remote_isDeleted = ldb_msg_find_attr_as_bool(msg,
+ "isDeleted", false);
+
+ /* handle renames that come in over DRS */
+ ret = replmd_replicated_handle_rename(ar, msg, rmd, &omd, ar->req);
+
+ /*
+ * This particular error code means that we already tried the
+ * conflict algrorithm, and the existing record name was newer, so we
+ * need to rename the incoming record
+ */
+ if (ret == LDB_ERR_ENTRY_ALREADY_EXISTS) {
+ struct GUID guid;
+ NTSTATUS status;
+ struct ldb_dn *new_dn;
+ status = GUID_from_ndr_blob(&ar->objs->objects[ar->index_current].guid_value, &guid);
+ /* This really, really can't fail */
+ SMB_ASSERT(NT_STATUS_IS_OK(status));
+
+ new_dn = replmd_conflict_dn(msg, msg->dn, &guid);
+ if (new_dn == NULL) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(ar->module),
+ "Failed to form conflict DN for %s\n",
+ ldb_dn_get_linearized(msg->dn));
+
+ return replmd_replicated_request_werror(ar, WERR_NOMEM);
+ }
+
+ ret = dsdb_module_rename(ar->module, ar->search_msg->dn, new_dn,
+ DSDB_FLAG_NEXT_MODULE, ar->req);
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(ar->module),
+ "Failed to rename incoming conflicting dn '%s' (was '%s') to '%s' - %s\n",
+ ldb_dn_get_linearized(msg->dn),
+ ldb_dn_get_linearized(ar->search_msg->dn),
+ ldb_dn_get_linearized(new_dn),
+ ldb_errstring(ldb_module_get_ctx(ar->module)));
+ return replmd_replicated_request_werror(ar, WERR_DS_DRA_DB_ERROR);
+ }
+
+ /* Set the callback to one that will fix up the name to be a conflict DN */
+ callback = replmd_op_name_modify_callback;
+ msg->dn = new_dn;
+ } else if (ret != LDB_SUCCESS) {
+ ldb_debug(ldb, LDB_DEBUG_FATAL,
+ "replmd_replicated_request rename %s => %s failed - %s\n",
+ ldb_dn_get_linearized(ar->search_msg->dn),
+ ldb_dn_get_linearized(msg->dn),
+ ldb_errstring(ldb));
+ return replmd_replicated_request_werror(ar, WERR_DS_DRA_DB_ERROR);
+ }
+
ZERO_STRUCT(nmd);
nmd.version = 1;
nmd.ctr.ctr1.count = omd.ctr.ctr1.count + rmd->ctr.ctr1.count;
ni++;
}
+ ar->seq_num = 0;
/* now merge in the new meta data */
for (i=0; i < rmd->ctr.ctr1.count; i++) {
bool found = false;
continue;
}
- cmp = replmd_replPropertyMetaData1_is_newer(&nmd.ctr.ctr1.array[j],
- &rmd->ctr.ctr1.array[i]);
+ if (ar->objs->dsdb_repl_flags & DSDB_REPL_FLAG_PRIORITISE_INCOMING) {
+ /* if we compare equal then do an
+ update. This is used when a client
+ asks for a FULL_SYNC, and can be
+ used to recover a corrupt
+ replica */
+ cmp = !replmd_replPropertyMetaData1_is_newer(&rmd->ctr.ctr1.array[i],
+ &nmd.ctr.ctr1.array[j]);
+ } else {
+ cmp = replmd_replPropertyMetaData1_is_newer(&nmd.ctr.ctr1.array[j],
+ &rmd->ctr.ctr1.array[i]);
+ }
if (cmp) {
/* replace the entry */
nmd.ctr.ctr1.array[j] = rmd->ctr.ctr1.array[i];
+ if (ar->seq_num == 0) {
+ ret = ldb_sequence_number(ldb, LDB_SEQ_NEXT, &ar->seq_num);
+ if (ret != LDB_SUCCESS) {
+ return replmd_replicated_request_error(ar, ret);
+ }
+ }
+ nmd.ctr.ctr1.array[j].local_usn = ar->seq_num;
+ switch (nmd.ctr.ctr1.array[j].attid) {
+ case DRSUAPI_ATTID_ntSecurityDescriptor:
+ sd_updated = true;
+ break;
+ case DRSUAPI_ATTID_isDeleted:
+ take_remote_isDeleted = true;
+ break;
+ default:
+ break;
+ }
found = true;
break;
}
- if (rmd->ctr.ctr1.array[i].attid != DRSUAPI_ATTRIBUTE_instanceType) {
+ if (rmd->ctr.ctr1.array[i].attid != DRSUAPI_ATTID_instanceType) {
DEBUG(3,("Discarding older DRS attribute update to %s on %s from %s\n",
msg->elements[i-removed_attrs].name,
ldb_dn_get_linearized(msg->dn),
if (found) continue;
nmd.ctr.ctr1.array[ni] = rmd->ctr.ctr1.array[i];
+ if (ar->seq_num == 0) {
+ ret = ldb_sequence_number(ldb, LDB_SEQ_NEXT, &ar->seq_num);
+ if (ret != LDB_SUCCESS) {
+ return replmd_replicated_request_error(ar, ret);
+ }
+ }
+ nmd.ctr.ctr1.array[ni].local_usn = ar->seq_num;
+ switch (nmd.ctr.ctr1.array[ni].attid) {
+ case DRSUAPI_ATTID_ntSecurityDescriptor:
+ sd_updated = true;
+ break;
+ case DRSUAPI_ATTID_isDeleted:
+ take_remote_isDeleted = true;
+ break;
+ default:
+ break;
+ }
ni++;
}
ldb_debug(ldb, LDB_DEBUG_TRACE, "replmd_replicated_apply_merge[%u]: replace %u attributes\n",
ar->index_current, msg->num_elements);
- ret = ldb_sequence_number(ldb, LDB_SEQ_NEXT, &ar->seq_num);
- if (ret != LDB_SUCCESS) {
- return replmd_replicated_request_error(ar, ret);
+ if (take_remote_isDeleted) {
+ isDeleted = remote_isDeleted;
+ } else {
+ isDeleted = local_isDeleted;
}
- for (i=0; i<ni; i++) {
- nmd.ctr.ctr1.array[i].local_usn = ar->seq_num;
+ if (sd_updated && !isDeleted) {
+ ret = dsdb_module_schedule_sd_propagation(ar->module,
+ msg->dn, true);
+ if (ret != LDB_SUCCESS) {
+ return ldb_operr(ldb);
+ }
}
/* create the meta data value */
- ndr_err = ndr_push_struct_blob(&nmd_value, msg,
- lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
- &nmd,
+ ndr_err = ndr_push_struct_blob(&nmd_value, msg, &nmd,
(ndr_push_flags_fn_t)ndr_push_replPropertyMetaDataBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
msg,
ar->controls,
ar,
- replmd_op_callback,
+ callback,
ar->req);
+ LDB_REQ_SET_LOCATION(change_req);
+ if (ret != LDB_SUCCESS) return replmd_replicated_request_error(ar, ret);
+
+ /* current partition control needed by "repmd_op_callback" */
+ ret = ldb_request_add_control(change_req,
+ DSDB_CONTROL_CURRENT_PARTITION_OID,
+ false, NULL);
if (ret != LDB_SUCCESS) return replmd_replicated_request_error(ar, ret);
return ldb_next_request(ar->module, change_req);
break;
case LDB_REPLY_DONE:
+ ar->objs->objects[ar->index_current].last_known_parent = NULL;
+
if (ar->search_msg != NULL) {
ret = replmd_replicated_apply_merge(ar);
} else {
- ret = replmd_replicated_apply_add(ar);
+ ret = replmd_replicated_apply_search_for_parent(ar);
}
if (ret != LDB_SUCCESS) {
return ldb_module_done(ar->req, NULL, NULL, ret);
ar,
replmd_replicated_apply_search_callback,
ar->req);
+ LDB_REQ_SET_LOCATION(search_req);
- ret = ldb_request_add_control(search_req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
+ ret = ldb_request_add_control(search_req, LDB_CONTROL_SHOW_RECYCLED_OID,
+ true, NULL);
if (ret != LDB_SUCCESS) {
return ret;
}
return ret;
}
- if (ret != LDB_SUCCESS) return replmd_replicated_request_error(ar, ret);
-
return ldb_next_request(ar->module, search_req);
}
}
if (ares->type != LDB_REPLY_DONE) {
- ldb_set_errstring(ldb, "Invalid reply type\n!");
+ ldb_asprintf_errstring(ldb, "Invalid LDB reply type %d", ares->type);
return ldb_module_done(ar->req, NULL, NULL,
LDB_ERR_OPERATIONS_ERROR);
}
time_t t = time(NULL);
NTTIME now;
int ret;
+ uint32_t instanceType;
ldb = ldb_module_get_ctx(ar->module);
ruv = ar->objs->uptodateness_vector;
unix_to_nt_time(&now, t);
+ if (ar->search_msg == NULL) {
+ /* this happens for a REPL_OBJ call where we are
+ creating the target object by replicating it. The
+ subdomain join code does this for the partition DN
+ */
+ DEBUG(4,(__location__ ": Skipping UDV and repsFrom update as no target DN\n"));
+ return ldb_module_done(ar->req, NULL, NULL, LDB_SUCCESS);
+ }
+
+ instanceType = ldb_msg_find_attr_as_uint(ar->search_msg, "instanceType", 0);
+ if (! (instanceType & INSTANCE_TYPE_IS_NC_HEAD)) {
+ DEBUG(4,(__location__ ": Skipping UDV and repsFrom update as not NC root: %s\n",
+ ldb_dn_get_linearized(ar->search_msg->dn)));
+ return ldb_module_done(ar->req, NULL, NULL, LDB_SUCCESS);
+ }
+
/*
* first create the new replUpToDateVector
*/
ouv_value = ldb_msg_find_ldb_val(ar->search_msg, "replUpToDateVector");
if (ouv_value) {
- ndr_err = ndr_pull_struct_blob(ouv_value, ar,
- lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")), &ouv,
+ ndr_err = ndr_pull_struct_blob(ouv_value, ar, &ouv,
(ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
if (ruv->cursors[i].highest_usn > nuv.ctr.ctr2.cursors[j].highest_usn) {
nuv.ctr.ctr2.cursors[j].highest_usn = ruv->cursors[i].highest_usn;
}
- break;
+ break;
}
if (found) continue;
if (!msg) return replmd_replicated_request_werror(ar, WERR_NOMEM);
msg->dn = ar->search_msg->dn;
- ndr_err = ndr_push_struct_blob(&nuv_value, msg,
- lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
- &nuv,
+ ndr_err = ndr_push_struct_blob(&nuv_value, msg, &nuv,
(ndr_push_flags_fn_t)ndr_push_replUpToDateVectorBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
ZERO_STRUCT(nrf);
nrf.version = 1;
nrf.ctr.ctr1 = *ar->objs->source_dsa;
- /* and fix some values... */
- nrf.ctr.ctr1.consecutive_sync_failures = 0;
- nrf.ctr.ctr1.last_success = now;
- nrf.ctr.ctr1.last_attempt = now;
- nrf.ctr.ctr1.result_last_attempt = WERR_OK;
nrf.ctr.ctr1.highwatermark.highest_usn = nrf.ctr.ctr1.highwatermark.tmp_highest_usn;
/*
trf = talloc(ar, struct repsFromToBlob);
if (!trf) return replmd_replicated_request_werror(ar, WERR_NOMEM);
- ndr_err = ndr_pull_struct_blob(&orf_el->values[i], trf, lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")), trf,
+ ndr_err = ndr_pull_struct_blob(&orf_el->values[i], trf, trf,
(ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
/*
* we compare the source dsa objectGUID not the invocation_id
* because we want only one repsFrom value per source dsa
- * and when the invocation_id of the source dsa has changed we don't need
+ * and when the invocation_id of the source dsa has changed we don't need
* the old repsFrom with the old invocation_id
*/
if (!GUID_equal(&trf->ctr.ctr1.source_dsa_obj_guid,
}
/* we now fill the value which is already attached to ldb_message */
- ndr_err = ndr_push_struct_blob(nrf_value, msg,
- lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
+ ndr_err = ndr_push_struct_blob(nrf_value, msg,
&nrf,
(ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return replmd_replicated_request_werror(ar, ntstatus_to_werror(nt_status));
}
- /*
+ /*
* the ldb_message_element for the attribute, has all the old values and the new one
* so we'll replace the whole attribute with all values
*/
nrf_el->flags = LDB_FLAG_MOD_REPLACE;
- if (DEBUGLVL(4)) {
+ if (CHECK_DEBUGLVL(4)) {
char *s = ldb_ldif_message_string(ldb, ar, LDB_CHANGETYPE_MODIFY, msg);
DEBUG(4, ("DRS replication uptodate modify message:\n%s\n", s));
talloc_free(s);
ar,
replmd_replicated_uptodate_modify_callback,
ar->req);
+ LDB_REQ_SET_LOCATION(change_req);
if (ret != LDB_SUCCESS) return replmd_replicated_request_error(ar, ret);
return ldb_next_request(ar->module, change_req);
break;
case LDB_REPLY_DONE:
- if (ar->search_msg == NULL) {
- ret = replmd_replicated_request_werror(ar, WERR_DS_DRA_INTERNAL_ERROR);
- } else {
- ret = replmd_replicated_uptodate_modify(ar);
- }
+ ret = replmd_replicated_uptodate_modify(ar);
if (ret != LDB_SUCCESS) {
return ldb_module_done(ar->req, NULL, NULL, ret);
}
static const char *attrs[] = {
"replUpToDateVector",
"repsFrom",
+ "instanceType",
NULL
};
struct ldb_request *search_req;
ar,
replmd_replicated_uptodate_search_callback,
ar->req);
+ LDB_REQ_SET_LOCATION(search_req);
if (ret != LDB_SUCCESS) return replmd_replicated_request_error(ar, ret);
return ldb_next_request(ar->module, search_req);
struct ldb_control **ctrls;
int ret;
uint32_t i;
- struct replmd_private *replmd_private =
+ struct replmd_private *replmd_private =
talloc_get_type(ldb_module_get_private(module), struct replmd_private);
+ struct dsdb_control_replicated_update *rep_update;
ldb = ldb_module_get_ctx(module);
if (!req->controls) return replmd_replicated_request_werror(ar, WERR_NOMEM);
}
- ret = ldb_request_add_control(req, DSDB_CONTROL_REPLICATED_UPDATE_OID, false, NULL);
+ /* This allows layers further down to know if a change came in
+ over replication and what the replication flags were */
+ rep_update = talloc_zero(ar, struct dsdb_control_replicated_update);
+ if (rep_update == NULL) {
+ return ldb_module_oom(module);
+ }
+ rep_update->dsdb_repl_flags = objs->dsdb_repl_flags;
+
+ ret = ldb_request_add_control(req, DSDB_CONTROL_REPLICATED_UPDATE_OID, false, rep_update);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ /* If this change contained linked attributes in the body
+ * (rather than in the links section) we need to update
+ * backlinks in linked_attributes */
+ ret = ldb_request_add_control(req, DSDB_CONTROL_APPLY_LINKS, false, NULL);
if (ret != LDB_SUCCESS) {
return ret;
}
process one linked attribute structure
*/
static int replmd_process_linked_attribute(struct ldb_module *module,
- struct la_entry *la_entry)
-{
+ struct la_entry *la_entry,
+ struct ldb_request *parent)
+{
struct drsuapi_DsReplicaLinkedAttribute *la = la_entry->la;
struct ldb_context *ldb = ldb_module_get_ctx(module);
struct ldb_message *msg;
const struct GUID *our_invocation_id;
/*
-linked_attributes[0]:
- &objs->linked_attributes[i]: struct drsuapi_DsReplicaLinkedAttribute
- identifier : *
- identifier: struct drsuapi_DsReplicaObjectIdentifier
- __ndr_size : 0x0000003a (58)
- __ndr_size_sid : 0x00000000 (0)
+linked_attributes[0]:
+ &objs->linked_attributes[i]: struct drsuapi_DsReplicaLinkedAttribute
+ identifier : *
+ identifier: struct drsuapi_DsReplicaObjectIdentifier
+ __ndr_size : 0x0000003a (58)
+ __ndr_size_sid : 0x00000000 (0)
guid : 8e95b6a9-13dd-4158-89db-3220a5be5cc7
- sid : S-0-0
- __ndr_size_dn : 0x00000000 (0)
- dn : ''
- attid : DRSUAPI_ATTRIBUTE_member (0x1F)
- value: struct drsuapi_DsAttributeValue
- __ndr_size : 0x0000007e (126)
- blob : *
- blob : DATA_BLOB length=126
- flags : 0x00000001 (1)
- 1: DRSUAPI_DS_LINKED_ATTRIBUTE_FLAG_ACTIVE
- originating_add_time : Wed Sep 2 22:20:01 2009 EST
- meta_data: struct drsuapi_DsReplicaMetaData
- version : 0x00000015 (21)
- originating_change_time : Wed Sep 2 23:39:07 2009 EST
- originating_invocation_id: 794640f3-18cf-40ee-a211-a93992b67a64
- originating_usn : 0x000000000001e19c (123292)
+ sid : S-0-0
+ __ndr_size_dn : 0x00000000 (0)
+ dn : ''
+ attid : DRSUAPI_ATTID_member (0x1F)
+ value: struct drsuapi_DsAttributeValue
+ __ndr_size : 0x0000007e (126)
+ blob : *
+ blob : DATA_BLOB length=126
+ flags : 0x00000001 (1)
+ 1: DRSUAPI_DS_LINKED_ATTRIBUTE_FLAG_ACTIVE
+ originating_add_time : Wed Sep 2 22:20:01 2009 EST
+ meta_data: struct drsuapi_DsReplicaMetaData
+ version : 0x00000015 (21)
+ originating_change_time : Wed Sep 2 23:39:07 2009 EST
+ originating_invocation_id: 794640f3-18cf-40ee-a211-a93992b67a64
+ originating_usn : 0x000000000001e19c (123292)
(for cases where the link is to a normal DN)
- &target: struct drsuapi_DsReplicaObjectIdentifier3
- __ndr_size : 0x0000007e (126)
- __ndr_size_sid : 0x0000001c (28)
- guid : 7639e594-db75-4086-b0d4-67890ae46031
+ &target: struct drsuapi_DsReplicaObjectIdentifier3
+ __ndr_size : 0x0000007e (126)
+ __ndr_size_sid : 0x0000001c (28)
+ guid : 7639e594-db75-4086-b0d4-67890ae46031
sid : S-1-5-21-2848215498-2472035911-1947525656-19924
- __ndr_size_dn : 0x00000022 (34)
- dn : 'CN=UOne,OU=TestOU,DC=vsofs8,DC=com'
+ __ndr_size_dn : 0x00000022 (34)
+ dn : 'CN=UOne,OU=TestOU,DC=vsofs8,DC=com'
*/
-
+
/* find the attribute being modified */
attr = dsdb_attribute_by_attributeID_id(schema, la->attid);
if (attr == NULL) {
this GUID, returning attribute being modified. We will then
use this msg as the basis for a modify call */
ret = dsdb_module_search(module, tmp_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
+ DSDB_FLAG_NEXT_MODULE |
DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
- DSDB_SEARCH_SHOW_DELETED |
+ DSDB_SEARCH_SHOW_RECYCLED |
DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT |
DSDB_SEARCH_REVEAL_INTERNALS,
+ parent,
"objectGUID=%s", GUID_string(tmp_ctx, &la->identifier->guid));
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
}
/* parse the existing links */
- ret = get_parsed_dns(module, tmp_ctx, old_el, &pdn_list, attr->syntax->ldap_oid);
+ ret = get_parsed_dns(module, tmp_ctx, old_el, &pdn_list, attr->syntax->ldap_oid, parent);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
/* re-resolve the DN by GUID, as the DRS server may give us an
old DN value */
- ret = dsdb_module_dn_by_guid(module, dsdb_dn, &guid, &dsdb_dn->dn);
+ ret = dsdb_module_dn_by_guid(module, dsdb_dn, &guid, &dsdb_dn->dn, parent);
if (ret != LDB_SUCCESS) {
- DEBUG(2,(__location__ ": WARNING: Failed to re-resolve GUID %s - using %s",
+ DEBUG(2,(__location__ ": WARNING: Failed to re-resolve GUID %s - using %s\n",
GUID_string(tmp_ctx, &guid),
ldb_dn_get_linearized(dsdb_dn->dn)));
}
/* see if this update is newer than what we have already */
struct GUID invocation_id = GUID_zero();
uint32_t version = 0;
+ uint32_t originating_usn = 0;
NTTIME change_time = 0;
uint32_t rmd_flags = dsdb_dn_rmd_flags(pdn->dsdb_dn->dn);
dsdb_get_extended_dn_guid(pdn->dsdb_dn->dn, &invocation_id, "RMD_INVOCID");
dsdb_get_extended_dn_uint32(pdn->dsdb_dn->dn, &version, "RMD_VERSION");
+ dsdb_get_extended_dn_uint32(pdn->dsdb_dn->dn, &originating_usn, "RMD_ORIGINATING_USN");
dsdb_get_extended_dn_nttime(pdn->dsdb_dn->dn, &change_time, "RMD_CHANGETIME");
if (!replmd_update_is_newer(&invocation_id,
/* we only change whenChanged and uSNChanged if the seq_num
has changed */
- if (add_time_element(msg, "whenChanged", t) != LDB_SUCCESS) {
+ ret = add_time_element(msg, "whenChanged", t);
+ if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
+ ldb_operr(ldb);
+ return ret;
}
- if (add_uint64_element(msg, "uSNChanged", seq_num) != LDB_SUCCESS) {
+ ret = add_uint64_element(ldb, msg, "uSNChanged", seq_num);
+ if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
+ ldb_operr(ldb);
+ return ret;
+ }
+
+ old_el = ldb_msg_find_element(msg, attr->lDAPDisplayName);
+ if (old_el == NULL) {
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
}
ret = dsdb_check_single_valued_link(attr, old_el);
return ret;
}
- ret = dsdb_module_modify(module, msg, DSDB_MODIFY_RELAX);
+ old_el->flags |= LDB_FLAG_INTERNAL_DISABLE_SINGLE_VALUE_CHECK;
+
+ ret = dsdb_module_modify(module, msg, DSDB_FLAG_NEXT_MODULE, parent);
if (ret != LDB_SUCCESS) {
ldb_debug(ldb, LDB_DEBUG_WARNING, "Failed to apply linked attribute change '%s'\n%s\n",
ldb_errstring(ldb),
talloc_free(tmp_ctx);
return ret;
}
-
+
talloc_free(tmp_ctx);
- return ret;
+ return ret;
}
static int replmd_extended(struct ldb_module *module, struct ldb_request *req)
/*
- we hook into the transaction operations to allow us to
+ we hook into the transaction operations to allow us to
perform the linked attribute updates at the end of the whole
transaction. This allows a forward linked attribute to be created
before the object is created. During a vampire, w2k8 sends us linked
/*
on prepare commit we loop over our queued la_context structures and
- apply each of them
+ apply each of them
*/
static int replmd_prepare_commit(struct ldb_module *module)
{
- struct replmd_private *replmd_private =
+ struct replmd_private *replmd_private =
talloc_get_type(ldb_module_get_private(module), struct replmd_private);
struct la_entry *la, *prev;
struct la_backlink *bl;
for (la = DLIST_TAIL(replmd_private->la_list); la; la=prev) {
prev = DLIST_PREV(la);
DLIST_REMOVE(replmd_private->la_list, la);
- ret = replmd_process_linked_attribute(module, la);
+ ret = replmd_process_linked_attribute(module, la, NULL);
if (ret != LDB_SUCCESS) {
replmd_txn_cleanup(replmd_private);
return ret;
/* process our backlink list, creating and deleting backlinks
as necessary */
for (bl=replmd_private->la_backlinks; bl; bl=bl->next) {
- ret = replmd_process_backlink(module, bl);
+ ret = replmd_process_backlink(module, bl, NULL);
if (ret != LDB_SUCCESS) {
replmd_txn_cleanup(replmd_private);
return ret;
replmd_txn_cleanup(replmd_private);
/* possibly change @REPLCHANGED */
- ret = replmd_notify_store(module);
+ ret = replmd_notify_store(module, NULL);
if (ret != LDB_SUCCESS) {
return ret;
}
-
+
return ldb_next_prepare_commit(module);
}
static int replmd_del_transaction(struct ldb_module *module)
{
- struct replmd_private *replmd_private =
+ struct replmd_private *replmd_private =
talloc_get_type(ldb_module_get_private(module), struct replmd_private);
replmd_txn_cleanup(replmd_private);
}
-_PUBLIC_ const struct ldb_module_ops ldb_repl_meta_data_module_ops = {
+static const struct ldb_module_ops ldb_repl_meta_data_module_ops = {
.name = "repl_meta_data",
.init_context = replmd_init,
.add = replmd_add,
.prepare_commit = replmd_prepare_commit,
.del_transaction = replmd_del_transaction,
};
+
+int ldb_repl_meta_data_module_init(const char *version)
+{
+ LDB_MODULE_CHECK_VERSION(version);
+ return ldb_register_module(&ldb_repl_meta_data_module_ops);
+}