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-rw-r--r--source4/dsdb/samdb/ldb_modules/repl_meta_data.c36
1 files changed, 25 insertions, 11 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
index 6804c1c764..8603e1c3dd 100644
--- a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
+++ b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
@@ -1107,9 +1107,21 @@ static int parsed_dn_compare(struct parsed_dn *pdn1, struct parsed_dn *pdn2)
return GUID_compare(pdn1->guid, pdn2->guid);
}
-static struct parsed_dn *parsed_dn_find(struct parsed_dn *pdn, int count, struct GUID *guid)
+static struct parsed_dn *parsed_dn_find(struct parsed_dn *pdn, int count, struct GUID *guid, struct ldb_dn *dn)
{
struct parsed_dn *ret;
+ if (dn && GUID_all_zero(guid)) {
+ /* when updating a link using DRS, we sometimes get a
+ NULL GUID. We then need to try and match by DN */
+ int i;
+ for (i=0; i<count; i++) {
+ if (ldb_dn_compare(pdn[i].dsdb_dn->dn, dn) == 0) {
+ dsdb_get_extended_dn_guid(pdn[i].dsdb_dn->dn, guid, "GUID");
+ return &pdn[i];
+ }
+ }
+ return NULL;
+ }
BINARY_ARRAY_SEARCH(pdn, count, guid, guid, GUID_compare, ret);
return ret;
}
@@ -1443,7 +1455,7 @@ static int replmd_modify_la_add(struct ldb_module *module,
/* 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);
+ struct parsed_dn *p = parsed_dn_find(old_dns, old_num_values, dns[i].guid, NULL);
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);
@@ -1575,7 +1587,7 @@ static int replmd_modify_la_delete(struct ldb_module *module,
struct parsed_dn *p2;
const struct ldb_val *v;
- p2 = parsed_dn_find(old_dns, old_el->num_values, p->guid);
+ p2 = parsed_dn_find(old_dns, old_el->num_values, p->guid, NULL);
if (!p2) {
ldb_asprintf_errstring(ldb, "Attribute %s doesn't exist for target GUID %s",
el->name, GUID_string(tmp_ctx, p->guid));
@@ -1596,7 +1608,7 @@ static int replmd_modify_la_delete(struct ldb_module *module,
struct parsed_dn *p = &old_dns[i];
const struct ldb_val *v;
- if (dns && parsed_dn_find(dns, el->num_values, p->guid) == NULL) {
+ if (el->num_values && parsed_dn_find(dns, el->num_values, p->guid, NULL) == NULL) {
continue;
}
@@ -1699,7 +1711,7 @@ static int replmd_modify_la_replace(struct ldb_module *module,
return ret;
}
- p = parsed_dn_find(dns, el->num_values, old_p->guid);
+ p = parsed_dn_find(dns, el->num_values, old_p->guid, NULL);
if (p) {
/* we don't delete it if we are re-adding it */
continue;
@@ -1721,7 +1733,7 @@ static int replmd_modify_la_replace(struct ldb_module *module,
if (old_dns &&
(old_p = parsed_dn_find(old_dns,
- old_num_values, p->guid)) != NULL) {
+ old_num_values, p->guid, NULL)) != NULL) {
/* update in place */
ret = replmd_update_la_val(old_el->values, old_p->v, old_p->dsdb_dn,
old_p->dsdb_dn, invocation_id,
@@ -3325,7 +3337,7 @@ static int replmd_process_linked_attribute(struct ldb_module *module,
struct ldb_result *res;
const char *attrs[2];
struct parsed_dn *pdn_list, *pdn;
- struct GUID guid;
+ 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;
@@ -3455,14 +3467,16 @@ linked_attributes[0]:
}
ntstatus = dsdb_get_extended_dn_guid(dsdb_dn->dn, &guid, "GUID");
- if (!NT_STATUS_IS_OK(ntstatus)) {
- ldb_asprintf_errstring(ldb, "Failed to find GUID in linked attribute blob for %s on %s\n",
- old_el->name, ldb_dn_get_linearized(msg->dn));
+ if (!NT_STATUS_IS_OK(ntstatus) && active) {
+ 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));
return LDB_ERR_OPERATIONS_ERROR;
}
/* see if this link already exists */
- pdn = parsed_dn_find(pdn_list, old_el->num_values, &guid);
+ pdn = parsed_dn_find(pdn_list, old_el->num_values, &guid, dsdb_dn->dn);
if (pdn != NULL) {
/* see if this update is newer than what we have already */
struct GUID invocation_id = GUID_zero();