ldb database library
Copyright (C) Simo Sorce 2004-2008
- Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
- Copyright (C) Andrew Tridgell 2005
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005-2013
+ Copyright (C) Andrew Tridgell 2005-2009
Copyright (C) Stefan Metzmacher <metze@samba.org> 2007
- Copyright (C) Matthieu Patou <mat@samba.org> 2010
+ Copyright (C) Matthieu Patou <mat@samba.org> 2010-2011
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
#include "lib/util/binsearch.h"
#include "lib/util/tsort.h"
+/*
+ * 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;
struct la_entry *la_list;
uint64_t seq_num;
bool is_urgent;
+
+ bool isDeleted;
};
+static int replmd_replicated_apply_merge(struct replmd_replicated_request *ar);
+static int replmd_delete_internals(struct ldb_module *module, struct ldb_request *req, bool re_delete);
+
enum urgent_situation {
REPL_URGENT_ON_CREATE = 1,
REPL_URGENT_ON_UPDATE = 2,
REPL_URGENT_ON_DELETE = 4
};
+enum deletion_state {
+ OBJECT_NOT_DELETED=1,
+ OBJECT_DELETED=2,
+ OBJECT_RECYCLED=3,
+ OBJECT_TOMBSTONE=4,
+ OBJECT_REMOVED=5
+};
+
+static void replmd_deletion_state(struct ldb_module *module,
+ const struct ldb_message *msg,
+ enum deletion_state *current_state,
+ enum deletion_state *next_state)
+{
+ int ret;
+ bool enabled = false;
+
+ if (msg == NULL) {
+ *current_state = OBJECT_REMOVED;
+ if (next_state != NULL) {
+ *next_state = OBJECT_REMOVED;
+ }
+ return;
+ }
+
+ ret = dsdb_recyclebin_enabled(module, &enabled);
+ if (ret != LDB_SUCCESS) {
+ enabled = false;
+ }
+
+ if (ldb_msg_check_string_attribute(msg, "isDeleted", "TRUE")) {
+ if (!enabled) {
+ *current_state = OBJECT_TOMBSTONE;
+ if (next_state != NULL) {
+ *next_state = OBJECT_REMOVED;
+ }
+ return;
+ }
+
+ if (ldb_msg_check_string_attribute(msg, "isRecycled", "TRUE")) {
+ *current_state = OBJECT_RECYCLED;
+ if (next_state != NULL) {
+ *next_state = OBJECT_REMOVED;
+ }
+ return;
+ }
+
+ *current_state = OBJECT_DELETED;
+ if (next_state != NULL) {
+ *next_state = OBJECT_RECYCLED;
+ }
+ return;
+ }
+
+ *current_state = OBJECT_NOT_DELETED;
+ if (next_state == NULL) {
+ return;
+ }
+
+ if (enabled) {
+ *next_state = OBJECT_DELETED;
+ } else {
+ *next_state = OBJECT_TOMBSTONE;
+ }
+}
static const struct {
const char *update_name;
}
-static int replmd_replicated_apply_next(struct replmd_replicated_request *ar);
+static int replmd_replicated_apply_isDeleted(struct replmd_replicated_request *ar);
/*
initialise the module
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_SUCCESS) {
+ 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),
}
if (ares->error != LDB_SUCCESS) {
- DEBUG(0,("%s failure. Error is: %s\n", __FUNCTION__, ldb_strerror(ares->error)));
+ DEBUG(5,("%s failure. Error is: %s\n", __FUNCTION__, ldb_strerror(ares->error)));
return ldb_module_done(ac->req, controls,
ares->response, ares->error);
}
}
if (ac->apply_mode) {
- talloc_free(ares);
- ac->index_current++;
-
- ret = replmd_replicated_apply_next(ac);
+ ret = replmd_replicated_apply_isDeleted(ac);
if (ret != LDB_SUCCESS) {
return ldb_module_done(ac->req, NULL, NULL, ret);
}
const struct replPropertyMetaData1 *m2,
const uint32_t *rdn_attid)
{
- if (m1->attid == m2->attid) {
+ /*
+ * This assignment seems inoccous, but it is critical for the
+ * system, as we need to do the comparisons as a unsigned
+ * quantity, not signed (enums are signed integers)
+ */
+ uint32_t attid_1 = m1->attid;
+ uint32_t attid_2 = m2->attid;
+
+ if (attid_1 == attid_2) {
return 0;
}
* so we need to return a value greater than zero
* which means m1 is greater than m2
*/
- if (m1->attid == *rdn_attid) {
+ if (attid_1 == *rdn_attid) {
return 1;
}
* so we need to return a value less than zero
* which means m2 is greater than m1
*/
- if (m2->attid == *rdn_attid) {
+ if (attid_2 == *rdn_attid) {
return -1;
}
- return m1->attid > m2->attid ? 1 : -1;
+ /*
+ * See above regarding this being an unsigned comparison.
+ * Otherwise when the high bit is set on non-standard
+ * attributes, they would end up first, before objectClass
+ * (0).
+ */
+ return attid_1 > attid_2 ? 1 : -1;
+}
+
+static int replmd_replPropertyMetaDataCtr1_verify(struct ldb_context *ldb,
+ struct replPropertyMetaDataCtr1 *ctr1,
+ const struct dsdb_attribute *rdn_sa,
+ struct ldb_dn *dn)
+{
+ if (ctr1->count == 0) {
+ ldb_debug_set(ldb, LDB_DEBUG_FATAL,
+ "No elements found in replPropertyMetaData for %s!\n",
+ ldb_dn_get_linearized(dn));
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+ if (ctr1->array[ctr1->count - 1].attid != rdn_sa->attributeID_id) {
+ ldb_debug_set(ldb, LDB_DEBUG_FATAL,
+ "No rDN found in replPropertyMetaData for %s!\n",
+ ldb_dn_get_linearized(dn));
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ /* the objectClass attribute is value 0x00000000, so must be first */
+ if (ctr1->array[0].attid != DRSUAPI_ATTID_objectClass) {
+ ldb_debug_set(ldb, LDB_DEBUG_FATAL,
+ "No objectClass found in replPropertyMetaData for %s!\n",
+ ldb_dn_get_linearized(dn));
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
+ }
+
+ return LDB_SUCCESS;
}
-static int replmd_replPropertyMetaDataCtr1_sort(struct replPropertyMetaDataCtr1 *ctr1,
- const struct dsdb_schema *schema,
- struct ldb_dn *dn)
+static int replmd_replPropertyMetaDataCtr1_sort_and_verify(struct ldb_context *ldb,
+ struct replPropertyMetaDataCtr1 *ctr1,
+ const struct dsdb_schema *schema,
+ struct ldb_dn *dn)
{
const char *rdn_name;
const struct dsdb_attribute *rdn_sa;
rdn_name = ldb_dn_get_rdn_name(dn);
if (!rdn_name) {
- DEBUG(0,(__location__ ": No rDN for %s?\n", ldb_dn_get_linearized(dn)));
- return LDB_ERR_OPERATIONS_ERROR;
+ ldb_debug_set(ldb, LDB_DEBUG_FATAL,
+ __location__ ": No rDN for %s?\n",
+ ldb_dn_get_linearized(dn));
+ return LDB_ERR_INVALID_DN_SYNTAX;
}
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;
+ ldb_debug_set(ldb, LDB_DEBUG_FATAL,
+ __location__ ": No sa found for rDN %s for %s\n",
+ rdn_name, ldb_dn_get_linearized(dn));
+ return LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE;
}
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);
-
- return LDB_SUCCESS;
+ LDB_TYPESAFE_QSORT(ctr1->array, ctr1->count, &rdn_sa->attributeID_id,
+ replmd_replPropertyMetaData1_attid_sort);
+ return replmd_replPropertyMetaDataCtr1_verify(ldb, ctr1, rdn_sa, dn);
}
static int replmd_ldb_message_element_attid_sort(const struct ldb_message_element *e1,
*/
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;
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;
/*
* sort meta data array, and move the rdn attribute entry to the end
*/
- ret = replmd_replPropertyMetaDataCtr1_sort(&nmd.ctr.ctr1, ac->schema, msg->dn);
+ ret = replmd_replPropertyMetaDataCtr1_sort_and_verify(ldb, &nmd.ctr.ctr1, ac->schema, msg->dn);
if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb, "%s: error during direct ADD: %s", __func__, ldb_errstring(ldb));
talloc_free(ac);
return ret;
}
*/
replmd_ldb_message_sort(msg, ac->schema);
+ /*
+ * Assert that we do have an objectClass
+ */
objectclass_el = ldb_msg_find_element(msg, "objectClass");
+ if (objectclass_el == NULL) {
+ ldb_asprintf_errstring(ldb, __location__
+ ": objectClass missing on %s\n",
+ ldb_dn_get_linearized(msg->dn));
+ talloc_free(ac);
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
+ }
is_urgent = replmd_check_urgent_objectclass(objectclass_el,
REPL_URGENT_ON_CREATE);
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;
struct replPropertyMetaData1 *md1;
+ bool may_skip = false;
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 (old_el != NULL && ldb_msg_element_compare(el, old_el) == 0) {
- return LDB_SUCCESS;
+ /*
+ * if the attribute's value haven't changed, and this isn't
+ * just a delete of everything 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
+ *
+ * Unchanged could be deleting or replacing an already-gone
+ * thing with an unconstrained delete/empty replace or a
+ * replace with the same value, but not an add with the same
+ * value because that could be about adding a duplicate (which
+ * is for someone else to error out on).
+ */
+ if (old_el != NULL && ldb_msg_element_equal_ordered(el, old_el)) {
+ if (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_REPLACE) {
+ may_skip = true;
+ }
+ } else if (old_el == NULL && el->num_values == 0) {
+ if (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_REPLACE) {
+ may_skip = true;
+ } else if (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE) {
+ may_skip = true;
+ }
+ }
+
+ if (may_skip) {
+ 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++) {
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;
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 *attrs2[] = { "uSNChanged", "objectClass", 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, rmd_is_provided;
+ bool rmd_is_provided;
+
+ if (rename_attrs) {
+ attrs = rename_attrs;
+ } else {
+ attrs = attrs1;
+ }
ldb = ldb_module_get_ctx(module);
* 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;
}
"a specified replPropertyMetaData attribute or with others\n"));
return LDB_ERR_OPERATIONS_ERROR;
}
- if (situation == REPL_URGENT_ON_DELETE) {
+ 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;
}
DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT |
DSDB_SEARCH_REVEAL_INTERNALS, req);
- if (ret != LDB_SUCCESS || res->count != 1) {
- DEBUG(0,(__location__ ": Object %s failed to find uSNChanged\n",
- 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;
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
db_seq = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNChanged", 0);
DSDB_SEARCH_SHOW_EXTENDED_DN |
DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT |
DSDB_SEARCH_REVEAL_INTERNALS, req);
- 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;
- }
-
- objectclass_el = ldb_msg_find_element(res->msgs[0], "objectClass");
- if (is_urgent && replmd_check_urgent_objectclass(objectclass_el,
- situation)) {
- *is_urgent = true;
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
omd_value = ldb_msg_find_ldb_val(res->msgs[0], "replPropertyMetaData");
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);
+ our_invocation_id, now, req);
if (ret != LDB_SUCCESS) {
return ret;
}
- if (is_urgent && !*is_urgent && (situation == REPL_URGENT_ON_UPDATE)) {
+ if (!*is_urgent && (situation == REPL_URGENT_ON_UPDATE)) {
*is_urgent = replmd_check_urgent_attribute(&msg->elements[i]);
}
}
}
+
+ /*
+ * Assert that we have an objectClass attribute - this is major
+ * corruption if we don't have this!
+ */
+ objectclass_el = ldb_msg_find_element(res->msgs[0], "objectClass");
+ if (objectclass_el != NULL) {
+ /*
+ * Now check if this objectClass means we need to do urgent replication
+ */
+ if (!*is_urgent && replmd_check_urgent_objectclass(objectclass_el,
+ situation)) {
+ *is_urgent = true;
+ }
+ } else if (!ldb_request_get_control(req, DSDB_CONTROL_DBCHECK)) {
+ ldb_asprintf_errstring(ldb, __location__
+ ": objectClass missing on %s\n",
+ ldb_dn_get_linearized(msg->dn));
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
+ }
+
/*
* replmd_update_rpmd_element has done an update if the
* seq_num is set
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)) {
- ret = samdb_rodc(ldb, &rodc);
+ 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_asprintf_errstring(ldb, "RODC modify is forbidden\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);
return LDB_ERR_OPERATIONS_ERROR;
}
- ret = replmd_replPropertyMetaDataCtr1_sort(&omd.ctr.ctr1, schema, msg->dn);
+ ret = replmd_replPropertyMetaDataCtr1_sort_and_verify(ldb, &omd.ctr.ctr1, schema, msg->dn);
if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb, "%s: %s", __func__, ldb_errstring(ldb));
return ret;
}
static struct parsed_dn *parsed_dn_find(struct parsed_dn *pdn,
unsigned int count, struct GUID *guid,
- struct ldb_dn *dn)
+ struct ldb_dn *dn,
+ DATA_BLOB extra)
{
struct parsed_dn *ret;
unsigned int i;
return NULL;
}
BINARY_ARRAY_SEARCH(pdn, count, guid, guid, GUID_compare, ret);
+ if (extra.length && ret) {
+ /*
+ * Check the content of the extra it's a match only
+ * if the dn match but also the extra.
+ */
+ if (ret->dsdb_dn->extra_part.length != extra.length) {
+ return NULL;
+ }
+ if (memcmp(ret->dsdb_dn->extra_part.data, extra.data, extra.length) != 0) {
+ return NULL;
+ }
+ }
return ret;
}
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;
}
/* for each new value, see if it exists already with the same GUID */
for (i=0; i<el->num_values; i++) {
- struct parsed_dn *p = parsed_dn_find(old_dns, old_num_values, dns[i].guid, NULL);
+ struct parsed_dn *p = parsed_dn_find(old_dns, old_num_values,
+ dns[i].guid, NULL,
+ dns[i].dsdb_dn->extra_part);
if (p == NULL) {
/* this is a new linked attribute value */
new_values = talloc_realloc(tmp_ctx, new_values, struct ldb_val, num_new_values+1);
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);
struct parsed_dn *p2;
uint32_t rmd_flags;
- p2 = parsed_dn_find(old_dns, old_el->num_values, p->guid, NULL);
+ p2 = parsed_dn_find(old_dns, old_el->num_values, p->guid, NULL,
+ p->dsdb_dn->extra_part);
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;
+ }
}
}
struct parsed_dn *p = &old_dns[i];
uint32_t rmd_flags;
- if (el->num_values && parsed_dn_find(dns, el->num_values, p->guid, NULL) == NULL) {
+ if (el->num_values && parsed_dn_find(dns, el->num_values,
+ p->guid, NULL,
+ p->dsdb_dn->extra_part) == NULL) {
continue;
}
return ret;
}
- p = parsed_dn_find(dns, el->num_values, old_p->guid, NULL);
+ p = parsed_dn_find(dns, el->num_values, old_p->guid, NULL,
+ old_p->dsdb_dn->extra_part);
if (p) {
/* we don't delete it if we are re-adding it */
continue;
if (old_dns &&
(old_p = parsed_dn_find(old_dns,
- old_num_values, p->guid, NULL)) != NULL) {
+ old_num_values, p->guid, NULL,
+ p->dsdb_dn->extra_part)) != 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) {
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);
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);
ldb_debug(ldb, LDB_DEBUG_TRACE, "replmd_modify\n");
functional_level = dsdb_functional_level(ldb);
- lp_ctx = talloc_get_type(ldb_get_opaque(ldb, "loadparm"),
- struct loadparm_context);
-
/* 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) {
+ 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",
lpcfg_dnsdomain(lp_ctx),
ldb_dn_get_linearized(msg->dn));
ret = ldb_module_send_referral(req, referral);
talloc_free(ac);
- return ldb_module_done(req, NULL, NULL, ret);
+ return ret;
}
if (ret != LDB_SUCCESS) {
ret = add_time_element(msg, "whenChanged", t);
if (ret != LDB_SUCCESS) {
talloc_free(ac);
+ ldb_operr(ldb);
return ret;
}
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);
}
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;
+ 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));
+ }
+
+ /* 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,
ret = add_time_element(msg, "whenChanged", t);
if (ret != LDB_SUCCESS) {
talloc_free(ac);
+ ldb_operr(ldb);
return ret;
}
ret = add_uint64_element(ldb, msg, "uSNChanged", ac->seq_num);
if (ret != LDB_SUCCESS) {
talloc_free(ac);
+ ldb_operr(ldb);
return ret;
}
}
/*
- remove links from objects that point at this object when an object
- is deleted
+ * remove links from objects that point at this object when an object
+ * is deleted. We remove it from the NEXT module per MS-DRSR 5.160
+ * RemoveObj which states that link removal due to the object being
+ * deleted is NOT an originating update - they just go away!
+ *
*/
static int replmd_delete_remove_link(struct ldb_module *module,
const struct dsdb_schema *schema,
This also handles the mapping of delete to a rename operation
to allow deletes to be replicated.
+
+ It also handles the incoming deleted objects, to ensure they are
+ fully deleted here. In that case re_delete is true, and we do not
+ use this as a signal to change the deleted state, just reinforce it.
+
*/
-static int replmd_delete(struct ldb_module *module, struct ldb_request *req)
+static int replmd_delete_internals(struct ldb_module *module, struct ldb_request *req, bool re_delete)
{
int ret = LDB_ERR_OTHER;
bool retb, disallow_move_on_delete;
"trustType", "trustAttributes", "userAccountControl", "uSNChanged", "uSNCreated", "whenCreated",
"whenChanged", NULL};
unsigned int i, el_count = 0;
- enum deletion_state { OBJECT_NOT_DELETED=1, OBJECT_DELETED=2, OBJECT_RECYCLED=3,
- OBJECT_TOMBSTONE=4, OBJECT_REMOVED=5 };
enum deletion_state deletion_state, next_deletion_state;
- bool enabled;
if (ldb_dn_is_special(req->op.del.dn)) {
return ldb_next_request(module, req);
}
+ /*
+ * We have to allow dbcheck to remove an object that
+ * is beyond repair, and to do so totally. This could
+ * mean we we can get a partial object from the other
+ * DC, causing havoc, so dbcheck suggests
+ * re-replication first. dbcheck sets both DBCHECK
+ * and RELAX in this situation.
+ */
+ if (ldb_request_get_control(req, LDB_CONTROL_RELAX_OID)
+ && ldb_request_get_control(req, DSDB_CONTROL_DBCHECK)) {
+ /* really, really remove it */
+ return ldb_next_request(module, req);
+ }
+
tmp_ctx = talloc_new(ldb);
if (!tmp_ctx) {
ldb_oom(ldb);
schema = dsdb_get_schema(ldb, tmp_ctx);
if (!schema) {
+ talloc_free(tmp_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
DSDB_SEARCH_REVEAL_INTERNALS |
DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT, req);
if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(module),
+ "repmd_delete: Failed to %s %s, because we failed to find it: %s",
+ re_delete ? "re-delete" : "delete",
+ ldb_dn_get_linearized(old_dn),
+ ldb_errstring(ldb_module_get_ctx(module)));
talloc_free(tmp_ctx);
return ret;
}
old_msg = res->msgs[0];
+ replmd_deletion_state(module, old_msg,
+ &deletion_state,
+ &next_deletion_state);
- ret = dsdb_recyclebin_enabled(module, &enabled);
- if (ret != LDB_SUCCESS) {
- talloc_free(tmp_ctx);
- return ret;
- }
-
- if (ldb_msg_check_string_attribute(old_msg, "isDeleted", "TRUE")) {
- if (!enabled) {
- deletion_state = OBJECT_TOMBSTONE;
- next_deletion_state = OBJECT_REMOVED;
- } else if (ldb_msg_check_string_attribute(old_msg, "isRecycled", "TRUE")) {
- deletion_state = OBJECT_RECYCLED;
- next_deletion_state = OBJECT_REMOVED;
- } else {
- deletion_state = OBJECT_DELETED;
- next_deletion_state = OBJECT_RECYCLED;
- }
- } else {
- deletion_state = OBJECT_NOT_DELETED;
- if (enabled) {
- next_deletion_state = OBJECT_DELETED;
- } else {
- next_deletion_state = OBJECT_TOMBSTONE;
- }
+ /* This supports us noticing an incoming isDeleted and acting on it */
+ if (re_delete) {
+ SMB_ASSERT(deletion_state > OBJECT_NOT_DELETED);
+ next_deletion_state = deletion_state;
}
if (next_deletion_state == OBJECT_REMOVED) {
- struct auth_session_info *session_info =
- (struct auth_session_info *)ldb_get_opaque(ldb, "sessionInfo");
- if (security_session_user_level(session_info, NULL) != SECURITY_SYSTEM) {
- ldb_asprintf_errstring(ldb, "Refusing to delete deleted object %s",
- ldb_dn_get_linearized(old_msg->dn));
- return LDB_ERR_UNWILLING_TO_PERFORM;
+ /*
+ * We have to prevent objects being deleted, even if
+ * the administrator really wants them gone, as
+ * without the tombstone, we can get a partial object
+ * from the other DC, causing havoc.
+ *
+ * The only other valid case is when the 180 day
+ * timeout has expired, when relax is specified.
+ */
+ if (ldb_request_get_control(req, LDB_CONTROL_RELAX_OID)) {
+ /* it is already deleted - really remove it this time */
+ talloc_free(tmp_ctx);
+ return ldb_next_request(module, req);
}
- /* it is already deleted - really remove it this time */
- talloc_free(tmp_ctx);
- return ldb_next_request(module, req);
+ ldb_asprintf_errstring(ldb, "Refusing to delete tombstone object %s. "
+ "This check is to prevent corruption of the replicated state.",
+ ldb_dn_get_linearized(old_msg->dn));
+ return LDB_ERR_UNWILLING_TO_PERFORM;
}
rdn_name = ldb_dn_get_rdn_name(old_dn);
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);
+ /* 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 */
- 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 {
+ /* work out where we will be renaming this object to */
+ if (!disallow_move_on_delete) {
+ struct ldb_dn *deleted_objects_dn;
+ ret = dsdb_get_deleted_objects_dn(ldb, tmp_ctx, old_dn,
+ &deleted_objects_dn);
+
+ /*
+ * We should not move objects if we can't find the
+ * deleted objects DN. Not moving (or otherwise
+ * harming) the Deleted Objects DN itself is handled
+ * in the caller.
+ */
+ if (re_delete && (ret != LDB_SUCCESS)) {
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;
}
+ } else 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 = deleted_objects_dn;
}
+ } 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;
+ }
+ }
+ if (deletion_state == OBJECT_NOT_DELETED) {
/* get the objects GUID from the search we just did */
guid = samdb_result_guid(old_msg, "objectGUID");
/* Add a formatted child */
retb = ldb_dn_add_child_fmt(new_dn, "%s=%s\\0ADEL:%s",
- rdn_name,
- ldb_dn_escape_value(tmp_ctx, *rdn_value),
- GUID_string(tmp_ctx, &guid));
+ rdn_name,
+ 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",
- ldb_dn_get_linearized(new_dn)));
+ ldb_dn_get_linearized(new_dn)));
talloc_free(tmp_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
return ret;
}
msg->elements[el_count++].flags = LDB_FLAG_MOD_REPLACE;
+ } else {
+ /*
+ * No matter what has happened with other renames etc, try again to
+ * get this to be under the deleted DN. See MS-DRSR 5.160 RemoveObj
+ */
+
+ struct ldb_dn *rdn = ldb_dn_copy(tmp_ctx, old_dn);
+ retb = ldb_dn_remove_base_components(rdn, ldb_dn_get_comp_num(rdn) - 1);
+ if (!retb) {
+ DEBUG(0,(__location__ ": Unable to add a prepare rdn of %s",
+ ldb_dn_get_linearized(rdn)));
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ SMB_ASSERT(ldb_dn_get_comp_num(rdn) == 1);
+
+ retb = ldb_dn_add_child(new_dn, rdn);
+ if (!retb) {
+ DEBUG(0,(__location__ ": Unable to add rdn %s to base dn: %s",
+ ldb_dn_get_linearized(rdn),
+ ldb_dn_get_linearized(new_dn)));
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
}
/*
see MS-ADTS "Tombstone Requirements" section 3.1.1.5.5.1.1
*/
- /* 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_RECYCLED, req);
- if (ret != LDB_SUCCESS) {
- talloc_free(tmp_ctx);
- return ret;
- }
-
- if (deletion_state == OBJECT_NOT_DELETED){
- ret = ldb_msg_add_steal_string(msg, "lastKnownParent",
- ldb_dn_get_extended_linearized(tmp_ctx, parent_res->msgs[0]->dn, 1));
+ if (deletion_state == OBJECT_NOT_DELETED) {
+ /* 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_RECYCLED, req);
if (ret != LDB_SUCCESS) {
- DEBUG(0,(__location__ ": Failed to add lastKnownParent string to the msg\n"));
- ldb_module_oom(module);
+ ldb_asprintf_errstring(ldb_module_get_ctx(module),
+ "repmd_delete: Failed to %s %s, because we failed to find it's parent (%s): %s",
+ re_delete ? "re-delete" : "delete",
+ ldb_dn_get_linearized(old_dn),
+ ldb_dn_get_linearized(ldb_dn_get_parent(tmp_ctx, old_dn)),
+ ldb_errstring(ldb_module_get_ctx(module)));
talloc_free(tmp_ctx);
return ret;
}
- msg->elements[el_count++].flags = LDB_FLAG_MOD_ADD;
- }
-
- switch (next_deletion_state){
- case OBJECT_DELETED:
-
- ret = ldb_msg_add_value(msg, "msDS-LastKnownRDN", rdn_value, NULL);
+ ret = ldb_msg_add_steal_string(msg, "lastKnownParent",
+ ldb_dn_get_extended_linearized(tmp_ctx, parent_res->msgs[0]->dn, 1));
if (ret != LDB_SUCCESS) {
- DEBUG(0,(__location__ ": Failed to add msDS-LastKnownRDN string to the msg\n"));
+ DEBUG(0,(__location__ ": Failed to add lastKnownParent string to the msg\n"));
ldb_module_oom(module);
talloc_free(tmp_ctx);
return ret;
}
- msg->elements[el_count++].flags = LDB_FLAG_MOD_ADD;
-
- ret = ldb_msg_add_empty(msg, "objectCategory", LDB_FLAG_MOD_DELETE, NULL);
- if (ret != LDB_SUCCESS) {
- talloc_free(tmp_ctx);
- ldb_module_oom(module);
- return ret;
- }
+ msg->elements[el_count++].flags = LDB_FLAG_MOD_REPLACE;
- ret = ldb_msg_add_empty(msg, "sAMAccountType", LDB_FLAG_MOD_DELETE, NULL);
- if (ret != LDB_SUCCESS) {
- talloc_free(tmp_ctx);
- ldb_module_oom(module);
- return ret;
+ if (next_deletion_state == OBJECT_DELETED) {
+ ret = ldb_msg_add_value(msg, "msDS-LastKnownRDN", rdn_value, NULL);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to add msDS-LastKnownRDN string to the msg\n"));
+ ldb_module_oom(module);
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ msg->elements[el_count++].flags = LDB_FLAG_MOD_ADD;
}
+ }
- break;
+ switch (next_deletion_state) {
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) {
+ /*
+ * MS-ADTS 3.1.1.5.5.1.1 Tombstone Requirements
+ * describes what must be removed from a tombstone
+ * object
+ *
+ * MS-ADTS 3.1.1.5.5.1.3 Recycled-Object Requirements
+ * describes what must be removed from a recycled
+ * object
+ *
+ */
+
+ /*
+ * 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"));
talloc_free(tmp_ctx);
return ret;
}
- msg->elements[el_count++].flags = LDB_FLAG_MOD_ADD;
+ msg->elements[el_count++].flags = LDB_FLAG_MOD_REPLACE;
}
/* work out which of the old attributes we will be removing */
/* don't remove the rDN */
continue;
}
- if (sa->linkID && sa->linkID & 1) {
+ 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)) {
- continue;
+ if (!sa->linkID) {
+ if (ldb_attr_in_list(preserved_attrs, el->name)) {
+ continue;
+ }
+ if (sa->searchFlags & SEARCH_FLAG_PRESERVEONDELETE) {
+ continue;
+ }
}
ret = ldb_msg_add_empty(msg, el->name, LDB_FLAG_MOD_DELETE, &el);
if (ret != LDB_SUCCESS) {
return ret;
}
}
+
+ /* Duplicate with the below - we remove the
+ * samAccountType as an originating update, in case it
+ * somehow came back. The objectCategory will have
+ * gone in the above */
+ ret = ldb_msg_add_empty(msg, "sAMAccountType", LDB_FLAG_MOD_REPLACE, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ ldb_module_oom(module);
+ return ret;
+ }
+
+ break;
+
+ case OBJECT_DELETED:
+ /*
+ * MS-ADTS 3.1.1.5.5.1.2 Deleted-Object Requirements
+ * describes what must be removed from a deleted
+ * object
+ */
+
+ 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_REPLACE, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ ldb_module_oom(module);
+ return ret;
+ }
+
break;
default:
}
}
+ /*
+ * TODO: Per MS-DRSR 5.160 RemoveObj we should remove links directly, not as an originating update!
+ *
+ */
+
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",
return ret;
}
- if (deletion_state == OBJECT_NOT_DELETED) {
+ /*
+ * No matter what has happned with other renames, try again to
+ * get this to be under the deleted DN.
+ */
+ if (strcmp(ldb_dn_get_linearized(old_dn), ldb_dn_get_linearized(new_dn)) != 0) {
/* now rename onto the new DN */
ret = dsdb_module_rename(module, old_dn, new_dn, DSDB_FLAG_NEXT_MODULE, req);
if (ret != LDB_SUCCESS){
return ldb_module_done(req, NULL, NULL, LDB_SUCCESS);
}
+static int replmd_delete(struct ldb_module *module, struct ldb_request *req)
+{
+ return replmd_delete_internals(module, req, false);
+}
static int replmd_replicated_request_error(struct replmd_replicated_request *ar, int ret)
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;
+
+ /*
+ * 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(2,(__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. */
+ msg->dn = new_dn;
+ 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(2,(__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;
+ }
+
+ /*
+ * 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_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);
+ }
+
+ return replmd_op_possible_conflict_callback(req, ares, replmd_op_callback);
+}
+
+/*
+ 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)
+{
+ 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;
-
- /*
- * TODO: check if the parent object exist
- */
-
- /*
- * TODO: handle the conflict case where an object with the
- * same name exist
- */
+ bool remote_isDeleted = false;
+ const struct dsdb_attribute *rdn_sa;
+ const char *rdn_name;
ldb = ldb_module_get_ctx(ar->module);
msg = ar->objs->objects[ar->index_current].msg;
struct ldb_message_element *el = &msg->elements[i];
if (el->num_values == 0) {
+ if (ldb_attr_cmp(msg->elements[i].name, "objectClass") == 0) {
+ ldb_asprintf_errstring(ldb, __location__
+ ": empty objectClass sent on %s, aborting replication\n",
+ ldb_dn_get_linearized(msg->dn));
+ return replmd_replicated_request_error(ar, LDB_ERR_OBJECT_CLASS_VIOLATION);
+ }
+
DEBUG(4,(__location__ ": Removing attribute %s with num_values==0\n",
el->name));
memmove(el, el+1, sizeof(*el)*(msg->num_elements - (i+1)));
}
}
+ 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));
+ talloc_free(s);
+ }
+
+ remote_isDeleted = ldb_msg_find_attr_as_bool(msg,
+ "isDeleted", false);
+
/*
* the meta data array is already sorted by the caller
*/
+
+ rdn_name = ldb_dn_get_rdn_name(msg->dn);
+ if (rdn_name == NULL) {
+ ldb_asprintf_errstring(ldb, __location__ ": No rDN for %s?\n", ldb_dn_get_linearized(msg->dn));
+ return replmd_replicated_request_error(ar, LDB_ERR_INVALID_DN_SYNTAX);
+ }
+
+ rdn_sa = dsdb_attribute_by_lDAPDisplayName(ar->schema, rdn_name);
+ if (rdn_sa == NULL) {
+ ldb_asprintf_errstring(ldb, ": No schema attribute found for rDN %s for %s\n",
+ rdn_name, ldb_dn_get_linearized(msg->dn));
+ return replmd_replicated_request_error(ar, LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE);
+ }
+
+ ret = replmd_replPropertyMetaDataCtr1_verify(ldb, &md->ctr.ctr1, rdn_sa, msg->dn);
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb, "%s: error during DRS repl ADD: %s", __func__, ldb_errstring(ldb));
+ return replmd_replicated_request_error(ar, ret);
+ }
+
for (i=0; i < md->ctr.ctr1.count; i++) {
md->ctr.ctr1.array[i].local_usn = ar->seq_num;
}
replmd_ldb_message_sort(msg, ar->schema);
- 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));
- talloc_free(s);
+ if (!remote_isDeleted) {
+ ret = dsdb_module_schedule_sd_propagation(ar->module,
+ ar->objs->partition_dn,
+ msg->dn, true);
+ if (ret != LDB_SUCCESS) {
+ return replmd_replicated_request_error(ar, ret);
+ }
}
+ ar->isDeleted = remote_isDeleted;
+
ret = ldb_build_add_req(&change_req,
ldb,
ar,
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);
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 update_change_time > current_change_time;
+ if (ares->error != LDB_SUCCESS &&
+ ares->error != LDB_ERR_NO_SUCH_OBJECT) {
+ /*
+ * TODO: deal with the above error that the parent object doesn't exist
+ */
+
+ return ldb_module_done(ar->req, ares->controls,
+ ares->response, ares->error);
}
- 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);
+ 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;
+ }
+ case LDB_REPLY_REFERRAL:
+ /* we ignore referrals */
+ break;
+
+ case LDB_REPLY_DONE:
+ if (ar->search_msg != NULL) {
+ ret = replmd_replicated_apply_merge(ar);
+ } else {
+ ret = replmd_replicated_apply_add(ar);
+ }
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ar->req, NULL, NULL, ret);
+ }
+ }
+
+ talloc_free(ares);
+ return LDB_SUCCESS;
}
-static struct replPropertyMetaData1 *
-replmd_replPropertyMetaData1_find_attid(struct replPropertyMetaDataBlob *md_blob,
- enum drsuapi_DsAttributeId attid)
+/*
+ * Look for the parent object, so we put the new object in the right
+ * place This is akin to NameObject in MS-DRSR - this routine and the
+ * callbacks find the right parent name, and correct name for this
+ * object
+ */
+
+static int replmd_replicated_apply_search_for_parent(struct replmd_replicated_request *ar)
{
- uint32_t i;
- struct replPropertyMetaDataCtr1 *rpmd_ctr = &md_blob->ctr.ctr1;
+ struct ldb_context *ldb;
+ int ret;
+ char *tmp_str;
+ char *filter;
+ struct ldb_request *search_req;
+ static const char *attrs[] = {"isDeleted", NULL};
- for (i = 0; i < rpmd_ctr->count; i++) {
- if (rpmd_ctr->array[i].attid == attid) {
- return &rpmd_ctr->array[i];
+ ldb = ldb_module_get_ctx(ar->module);
+
+ if (!ar->objs->objects[ar->index_current].parent_guid_value.data) {
+ if (ar->search_msg != NULL) {
+ return replmd_replicated_apply_merge(ar);
+ } else {
+ return replmd_replicated_apply_add(ar);
}
}
- return NULL;
-}
+ 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;
- }
+ struct ldb_request *req;
+ int ret;
+ TALLOC_CTX *tmp_ctx = talloc_new(msg);
+ struct ldb_result *res;
- /* 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 (!md_remote || !md_local ||
- replmd_replPropertyMetaData1_is_newer(md_local, md_remote)) {
- DEBUG(4,("replmd_replicated_request rename %s => %s\n",
- ldb_dn_get_linearized(ar->search_msg->dn),
- ldb_dn_get_linearized(msg->dn)));
- /* pass rename to the next module
- * so it doesn't appear as an originating update */
- return dsdb_module_rename(ar->module,
- ar->search_msg->dn, msg->dn,
- DSDB_FLAG_NEXT_MODULE | DSDB_MODIFY_RELAX, parent);
- }
-
- /* we're going to keep our old object */
- DEBUG(4,(__location__ ": Keeping object %s and rejecting older rename to %s\n",
+ DEBUG(4,("replmd_replicated_request rename %s => %s\n",
ldb_dn_get_linearized(ar->search_msg->dn),
ldb_dn_get_linearized(msg->dn)));
- return LDB_SUCCESS;
+
+
+ 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;
}
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;
+ bool renamed = 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;
}
}
- /* handle renames that come in over DRS */
- ret = replmd_replicated_handle_rename(ar, msg, rmd, &omd, ar->req);
- if (ret != LDB_SUCCESS) {
+ local_isDeleted = ldb_msg_find_attr_as_bool(ar->search_msg,
+ "isDeleted", false);
+ remote_isDeleted = ldb_msg_find_attr_as_bool(msg,
+ "isDeleted", false);
+
+ if (strcmp(ldb_dn_get_linearized(msg->dn), ldb_dn_get_linearized(ar->search_msg->dn)) == 0) {
+ ret = LDB_SUCCESS;
+ } else {
+ /*
+ * handle renames, even just by case that come in over
+ * DRS. Changes in the parent DN don't hit us here,
+ * because the search for a parent will clean up those
+ * components.
+ *
+ * We also have already filtered out the case where
+ * the peer has an older name to what we have (see
+ * replmd_replicated_apply_search_callback())
+ */
+ renamed = true;
+ ret = replmd_replicated_handle_rename(ar, msg, 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;
+ renamed = true;
+ } 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),
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.
+ *
+ * This call is a bit tricky, what we
+ * are doing it turning the 'is_newer'
+ * call into a 'not is older' by
+ * swapping i and j, and negating the
+ * outcome.
+ */
+ 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 (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++;
}
*
* sort the new meta data array
*/
- ret = replmd_replPropertyMetaDataCtr1_sort(&nmd.ctr.ctr1, ar->schema, msg->dn);
+ ret = replmd_replPropertyMetaDataCtr1_sort_and_verify(ldb, &nmd.ctr.ctr1, ar->schema, msg->dn);
if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb, "%s: error during DRS repl merge: %s", __func__, ldb_errstring(ldb));
return ret;
}
+ /*
+ * Work out if this object is deleted, so we can prune any extra attributes. See MS-DRSR 4.1.10.6.9
+ * UpdateObject.
+ *
+ * This also controls SD propagation below
+ */
+ if (take_remote_isDeleted) {
+ isDeleted = remote_isDeleted;
+ } else {
+ isDeleted = local_isDeleted;
+ }
+
+ ar->isDeleted = isDeleted;
+
/*
* check if some replicated attributes left, otherwise skip the ldb_modify() call
*/
ldb_debug(ldb, LDB_DEBUG_TRACE, "replmd_replicated_apply_merge[%u]: skip replace\n",
ar->index_current);
- ar->index_current++;
- return replmd_replicated_apply_next(ar);
+ return replmd_replicated_apply_isDeleted(ar);
}
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 (renamed) {
+ sd_updated = true;
}
- 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,
+ ar->objs->partition_dn,
+ msg->dn, true);
+ if (ret != LDB_SUCCESS) {
+ return ldb_operr(ldb);
+ }
}
/* create the meta data value */
/* we want to replace the old values */
for (i=0; i < msg->num_elements; i++) {
msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
+ if (ldb_attr_cmp(msg->elements[i].name, "objectClass") == 0) {
+ if (msg->elements[i].num_values == 0) {
+ ldb_asprintf_errstring(ldb, __location__
+ ": objectClass removed on %s, aborting replication\n",
+ ldb_dn_get_linearized(msg->dn));
+ return replmd_replicated_request_error(ar, LDB_ERR_OBJECT_CLASS_VIOLATION);
+ }
+ }
}
if (DEBUGLVL(4)) {
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);
break;
case LDB_REPLY_DONE:
- if (ar->search_msg != NULL) {
- ret = replmd_replicated_apply_merge(ar);
+ {
+ struct replPropertyMetaData1 *md_remote;
+ struct replPropertyMetaData1 *md_local;
+
+ struct replPropertyMetaDataBlob omd;
+ const struct ldb_val *omd_value;
+ struct replPropertyMetaDataBlob *rmd;
+ struct ldb_message *msg;
+
+ ar->objs->objects[ar->index_current].last_known_parent = NULL;
+
+ /*
+ * This is the ADD case, find the appropriate parent,
+ * as this object doesn't exist locally:
+ */
+ if (ar->search_msg == NULL) {
+ ret = replmd_replicated_apply_search_for_parent(ar);
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ar->req, NULL, NULL, ret);
+ }
+ talloc_free(ares);
+ return LDB_SUCCESS;
+ }
+
+ /*
+ * Otherwise, in the MERGE case, work out if we are
+ * attempting a rename, and if so find the parent the
+ * newly renamed object wants to belong under (which
+ * may not be the parent in it's attached string DN
+ */
+ rmd = ar->objs->objects[ar->index_current].meta_data;
+ ZERO_STRUCT(omd);
+ omd.version = 1;
+
+ /* find existing meta data */
+ omd_value = ldb_msg_find_ldb_val(ar->search_msg, "replPropertyMetaData");
+ if (omd_value) {
+ enum ndr_err_code ndr_err;
+ 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);
+ return replmd_replicated_request_werror(ar, ntstatus_to_werror(nt_status));
+ }
+
+ if (omd.version != 1) {
+ return replmd_replicated_request_werror(ar, WERR_DS_DRA_INTERNAL_ERROR);
+ }
+ }
+
+ /*
+ * 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)) {
+ ret = replmd_replicated_apply_search_for_parent(ar);
} else {
- ret = replmd_replicated_apply_add(ar);
+ msg = ar->objs->objects[ar->index_current].msg;
+
+ /* Otherwise, just merge on the existing object, force no rename */
+ 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)));
+
+ /*
+ * This assignment ensures that the strcmp()
+ * in replmd_replicated_apply_merge() avoids
+ * the rename call
+ */
+ msg->dn = ar->search_msg->dn;
+ ret = replmd_replicated_apply_merge(ar);
}
if (ret != LDB_SUCCESS) {
return ldb_module_done(ar->req, NULL, NULL, ret);
}
}
+ }
talloc_free(ares);
return LDB_SUCCESS;
char *tmp_str;
char *filter;
struct ldb_request *search_req;
- struct ldb_search_options_control *options;
if (ar->index_current >= ar->objs->num_objects) {
/* done with it, go to next stage */
ldb = ldb_module_get_ctx(ar->module);
ar->search_msg = NULL;
+ ar->isDeleted = false;
tmp_str = ldb_binary_encode(ar, ar->objs->objects[ar->index_current].guid_value);
if (!tmp_str) return replmd_replicated_request_werror(ar, WERR_NOMEM);
ar->req);
LDB_REQ_SET_LOCATION(search_req);
- ret = ldb_request_add_control(search_req, LDB_CONTROL_SHOW_RECYCLED_OID,
- true, NULL);
+ ret = dsdb_request_add_controls(search_req, DSDB_SEARCH_SEARCH_ALL_PARTITIONS|DSDB_SEARCH_SHOW_RECYCLED);
+
if (ret != LDB_SUCCESS) {
return ret;
}
- /* we need to cope with cross-partition links, so search for
- the GUID over all partitions */
- options = talloc(search_req, struct ldb_search_options_control);
- if (options == NULL) {
- DEBUG(0, (__location__ ": out of memory\n"));
- return LDB_ERR_OPERATIONS_ERROR;
- }
- options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
+ return ldb_next_request(ar->module, search_req);
+}
- ret = ldb_request_add_control(search_req,
- LDB_CONTROL_SEARCH_OPTIONS_OID,
- true, options);
- if (ret != LDB_SUCCESS) {
- return ret;
+/*
+ * This is essentially a wrapper for replmd_replicated_apply_next()
+ *
+ * This is needed to ensure that both codepaths call this handler.
+ */
+static int replmd_replicated_apply_isDeleted(struct replmd_replicated_request *ar)
+{
+ struct ldb_dn *deleted_objects_dn;
+ struct ldb_message *msg = ar->objs->objects[ar->index_current].msg;
+ int ret = dsdb_get_deleted_objects_dn(ldb_module_get_ctx(ar->module), msg, msg->dn,
+ &deleted_objects_dn);
+ if (ar->isDeleted && (ret != LDB_SUCCESS || ldb_dn_compare(msg->dn, deleted_objects_dn) != 0)) {
+ /*
+ * Do a delete here again, so that if there is
+ * anything local that conflicts with this
+ * object being deleted, it is removed. This
+ * includes links. See MS-DRSR 4.1.10.6.9
+ * UpdateObject.
+ *
+ * If the object is already deleted, and there
+ * is no more work required, it doesn't do
+ * anything.
+ */
+
+ /* This has been updated to point to the DN we eventually did the modify on */
+
+ struct ldb_request *del_req;
+ struct ldb_result *res;
+
+ TALLOC_CTX *tmp_ctx = talloc_new(ar);
+ if (!tmp_ctx) {
+ ret = ldb_oom(ldb_module_get_ctx(ar->module));
+ return ret;
+ }
+
+ res = talloc_zero(tmp_ctx, struct ldb_result);
+ if (!res) {
+ ret = ldb_oom(ldb_module_get_ctx(ar->module));
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ /* Build a delete request, which hopefully will artually turn into nothing */
+ ret = ldb_build_del_req(&del_req, ldb_module_get_ctx(ar->module), tmp_ctx,
+ msg->dn,
+ NULL,
+ res,
+ ldb_modify_default_callback,
+ ar->req);
+ LDB_REQ_SET_LOCATION(del_req);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ /*
+ * This is the guts of the call, call back
+ * into our delete code, but setting the
+ * re_delete flag so we delete anything that
+ * shouldn't be there on a deleted or recycled
+ * object
+ */
+ ret = replmd_delete_internals(ar->module, del_req, true);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(del_req->handle, LDB_WAIT_ALL);
+ }
+
+ talloc_free(tmp_ctx);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
}
- return ldb_next_request(ar->module, search_req);
+ ar->index_current++;
+ return replmd_replicated_apply_next(ar);
}
static int replmd_replicated_uptodate_modify_callback(struct ldb_request *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);
}
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",
*
* plus optional values from our old vector and the one from the source_dsa
*/
- nuv.ctr.ctr2.count = 1 + ouv.ctr.ctr2.count;
+ nuv.ctr.ctr2.count = ouv.ctr.ctr2.count;
if (ruv) nuv.ctr.ctr2.count += ruv->count;
nuv.ctr.ctr2.cursors = talloc_array(ar,
struct drsuapi_DsReplicaCursor2,
/* get our invocation_id if we have one already attached to the ldb */
our_invocation_id = samdb_ntds_invocation_id(ldb);
+ if (our_invocation_id == NULL) {
+ DEBUG(0, ("repl_meta_data: Could not find our own server's invocationID!\n"));
+ return replmd_replicated_request_werror(ar, WERR_DS_DRA_INTERNAL_ERROR);
+ }
/* merge in the source_dsa vector is available */
for (i=0; (ruv && i < ruv->count); i++) {
found = true;
- /*
- * we update only the highest_usn and not the latest_sync_success time,
- * because the last success stands for direct replication
- */
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;
+ nuv.ctr.ctr2.cursors[j] = ruv->cursors[i];
}
break;
}
ni++;
}
- /*
- * merge in the current highwatermark for the source_dsa
- */
- found = false;
- for (j=0; j < ni; j++) {
- if (!GUID_equal(&ar->objs->source_dsa->source_dsa_invocation_id,
- &nuv.ctr.ctr2.cursors[j].source_dsa_invocation_id)) {
- continue;
- }
-
- found = true;
-
- /*
- * here we update the highest_usn and last_sync_success time
- * because we're directly replicating from the source_dsa
- *
- * and use the tmp_highest_usn because this is what we have just applied
- * to our ldb
- */
- nuv.ctr.ctr2.cursors[j].highest_usn = ar->objs->source_dsa->highwatermark.tmp_highest_usn;
- nuv.ctr.ctr2.cursors[j].last_sync_success = now;
- break;
- }
- if (!found) {
- /*
- * here we update the highest_usn and last_sync_success time
- * because we're directly replicating from the source_dsa
- *
- * and use the tmp_highest_usn because this is what we have just applied
- * to our ldb
- */
- nuv.ctr.ctr2.cursors[ni].source_dsa_invocation_id= ar->objs->source_dsa->source_dsa_invocation_id;
- nuv.ctr.ctr2.cursors[ni].highest_usn = ar->objs->source_dsa->highwatermark.tmp_highest_usn;
- nuv.ctr.ctr2.cursors[ni].last_sync_success = now;
- ni++;
- }
-
/*
* finally correct the size of the cursors array
*/
ZERO_STRUCT(nrf);
nrf.version = 1;
nrf.ctr.ctr1 = *ar->objs->source_dsa;
- nrf.ctr.ctr1.highwatermark.highest_usn = nrf.ctr.ctr1.highwatermark.tmp_highest_usn;
+ nrf.ctr.ctr1.last_attempt = now;
+ nrf.ctr.ctr1.last_success = now;
+ nrf.ctr.ctr1.result_last_attempt = WERR_OK;
/*
* first see if we already have a repsFrom value for the current source dsa
*/
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);
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);
}
uint32_t i;
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);
}
- /* This allows layers further down to know if a change came in over replication */
- 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;
}
struct drsuapi_DsReplicaLinkedAttribute *la = la_entry->la;
struct ldb_context *ldb = ldb_module_get_ctx(module);
struct ldb_message *msg;
+ struct ldb_message *target_msg = NULL;
TALLOC_CTX *tmp_ctx = talloc_new(la_entry);
const struct dsdb_schema *schema = dsdb_get_schema(ldb, tmp_ctx);
int ret;
WERROR status;
time_t t = time(NULL);
struct ldb_result *res;
- const char *attrs[2];
+ struct ldb_result *target_res;
+ const char *attrs[4];
+ const char *attrs2[] = { "isDeleted", "isRecycled", NULL };
struct parsed_dn *pdn_list, *pdn;
struct GUID guid = GUID_zero();
NTSTATUS ntstatus;
bool active = (la->flags & DRSUAPI_DS_LINKED_ATTRIBUTE_FLAG_ACTIVE)?true:false;
const struct GUID *our_invocation_id;
+ enum deletion_state deletion_state = OBJECT_NOT_DELETED;
+ enum deletion_state target_deletion_state = OBJECT_NOT_DELETED;
+
/*
linked_attributes[0]:
&objs->linked_attributes[i]: struct drsuapi_DsReplicaLinkedAttribute
}
attrs[0] = attr->lDAPDisplayName;
- attrs[1] = NULL;
+ attrs[1] = "isDeleted";
+ attrs[2] = "isRecycled";
+ attrs[3] = NULL;
/* get the existing message from the db for the object with
this GUID, returning attribute being modified. We will then
}
msg = res->msgs[0];
- if (msg->num_elements == 0) {
+ /*
+ * Check for deleted objects per MS-DRSR 4.1.10.6.13
+ * ProcessLinkValue, because link updates are not applied to
+ * recycled and tombstone objects. We don't have to delete
+ * any existing link, that should have happened when the
+ * object deletion was replicated or initiated.
+ */
+
+ replmd_deletion_state(module, msg, &deletion_state, NULL);
+
+ if (deletion_state >= OBJECT_RECYCLED) {
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+ }
+
+ old_el = ldb_msg_find_element(msg, attr->lDAPDisplayName);
+ if (old_el == NULL) {
ret = ldb_msg_add_empty(msg, attr->lDAPDisplayName, LDB_FLAG_MOD_REPLACE, &old_el);
if (ret != LDB_SUCCESS) {
ldb_module_oom(module);
return LDB_ERR_OPERATIONS_ERROR;
}
} else {
- old_el = &msg->elements[0];
old_el->flags = LDB_FLAG_MOD_REPLACE;
}
if (!W_ERROR_IS_OK(status)) {
ldb_asprintf_errstring(ldb, "Failed to parsed linked attribute blob for %s on %s - %s\n",
old_el->name, ldb_dn_get_linearized(msg->dn), win_errstr(status));
+ talloc_free(tmp_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
ntstatus = dsdb_get_extended_dn_guid(dsdb_dn->dn, &guid, "GUID");
- if (!NT_STATUS_IS_OK(ntstatus) && active) {
+ if (!NT_STATUS_IS_OK(ntstatus) && !active) {
+ /*
+ * This strange behaviour (allowing a NULL/missing
+ * GUID) originally comes from:
+ *
+ * commit e3054ce0fe0f8f62d2f5b2a77893e7a1479128bd
+ * Author: Andrew Tridgell <tridge@samba.org>
+ * Date: Mon Dec 21 21:21:55 2009 +1100
+ *
+ * s4-drs: cope better with NULL GUIDS from DRS
+ *
+ * It is valid to get a NULL GUID over DRS for a deleted forward link. We
+ * need to match by DN if possible when seeing if we should update an
+ * existing link.
+ *
+ * Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
+ */
+
+ ret = dsdb_module_search_dn(module, tmp_ctx, &target_res,
+ dsdb_dn->dn, attrs2,
+ DSDB_FLAG_NEXT_MODULE |
+ DSDB_SEARCH_SHOW_RECYCLED |
+ DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
+ DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT,
+ parent);
+ } else if (!NT_STATUS_IS_OK(ntstatus)) {
ldb_asprintf_errstring(ldb, "Failed to find GUID in linked attribute blob for %s on %s from %s",
old_el->name,
ldb_dn_get_linearized(dsdb_dn->dn),
ldb_dn_get_linearized(msg->dn));
+ talloc_free(tmp_ctx);
return LDB_ERR_OPERATIONS_ERROR;
+ } else {
+ ret = dsdb_module_search(module, tmp_ctx, &target_res,
+ NULL, LDB_SCOPE_SUBTREE,
+ attrs2,
+ DSDB_FLAG_NEXT_MODULE |
+ DSDB_SEARCH_SHOW_RECYCLED |
+ DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
+ DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT,
+ parent,
+ "objectGUID=%s",
+ GUID_string(tmp_ctx, &guid));
}
- /* 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, parent);
if (ret != LDB_SUCCESS) {
- DEBUG(2,(__location__ ": WARNING: Failed to re-resolve GUID %s - using %s",
+ ldb_asprintf_errstring(ldb_module_get_ctx(module), "Failed to re-resolve GUID %s: %s\n",
+ GUID_string(tmp_ctx, &guid),
+ ldb_errstring(ldb_module_get_ctx(module)));
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ if (target_res->count == 0) {
+ 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)));
+ } else if (target_res->count != 1) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(module), "More than one object found matching objectGUID %s\n",
+ GUID_string(tmp_ctx, &guid));
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ } else {
+ target_msg = target_res->msgs[0];
+ dsdb_dn->dn = talloc_steal(dsdb_dn, target_msg->dn);
+ }
+
+ /*
+ * Check for deleted objects per MS-DRSR 4.1.10.6.13
+ * ProcessLinkValue, because link updates are not applied to
+ * recycled and tombstone objects. We don't have to delete
+ * any existing link, that should have happened when the
+ * object deletion was replicated or initiated.
+ */
+ replmd_deletion_state(module, target_msg,
+ &target_deletion_state, NULL);
+
+ if (target_deletion_state >= OBJECT_RECYCLED) {
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
}
/* see if this link already exists */
- pdn = parsed_dn_find(pdn_list, old_el->num_values, &guid, dsdb_dn->dn);
+ pdn = parsed_dn_find(pdn_list, old_el->num_values, &guid, dsdb_dn->dn,
+ dsdb_dn->extra_part);
if (pdn != NULL) {
/* see if this update is newer than what we have already */
struct GUID invocation_id = GUID_zero();
/* 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_operr(ldb);
+ ldb_operr(ldb);
+ return ret;
}
- if (add_uint64_element(ldb, 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_operr(ldb);
+ ldb_operr(ldb);
+ return ret;
}
old_el = ldb_msg_find_element(msg, attr->lDAPDisplayName);
git.samba.org / mat / samba.git / blobdiff