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-rw-r--r--source4/dsdb/common/util.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/source4/dsdb/common/util.c b/source4/dsdb/common/util.c
index 5dcbbd8d03..0aad315801 100644
--- a/source4/dsdb/common/util.c
+++ b/source4/dsdb/common/util.c
@@ -3237,3 +3237,85 @@ int samdb_ldb_val_case_cmp(const char *s, struct ldb_val *v)
}
return 0;
}
+
+
+/*
+ load the UDV for a partition in v2 format
+ */
+int dsdb_load_udv_v2(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
+ struct drsuapi_DsReplicaCursor2 **cursors, uint32_t *count)
+{
+ static const char *attrs[] = { "replUpToDateVector", NULL };
+ struct ldb_result *r;
+ const struct ldb_val *ouv_value;
+ enum ndr_err_code ndr_err;
+ struct replUpToDateVectorBlob ouv;
+ int ret;
+
+ ret = ldb_search(samdb, mem_ctx, &r, dn, LDB_SCOPE_BASE, attrs, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ouv_value = ldb_msg_find_ldb_val(r->msgs[0], "replUpToDateVector");
+ if (!ouv_value) {
+ talloc_free(r);
+ *count = 0;
+ *cursors = NULL;
+ return LDB_SUCCESS;
+ }
+
+ ndr_err = ndr_pull_struct_blob(ouv_value, r,
+ lp_iconv_convenience(ldb_get_opaque(samdb, "loadparm")), &ouv,
+ (ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ talloc_free(r);
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+ }
+ if (ouv.version != 2) {
+ /* we always store as version 2, and
+ * replUpToDateVector is not replicated
+ */
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+ }
+
+ *count = ouv.ctr.ctr2.count;
+ *cursors = talloc_steal(mem_ctx, ouv.ctr.ctr2.cursors);
+ talloc_free(r);
+
+ return LDB_SUCCESS;
+}
+
+/*
+ load the UDV for a partition in version 1 format
+ */
+int dsdb_load_udv_v1(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
+ struct drsuapi_DsReplicaCursor **cursors, uint32_t *count)
+{
+ struct drsuapi_DsReplicaCursor2 *v2;
+ int ret, i;
+
+ ret = dsdb_load_udv_v2(samdb, dn, mem_ctx, &v2, count);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (*count == 0) {
+ talloc_free(v2);
+ *cursors = NULL;
+ return LDB_SUCCESS;
+ }
+
+ *cursors = talloc_array(mem_ctx, struct drsuapi_DsReplicaCursor, *count);
+ if (*cursors == NULL) {
+ talloc_free(v2);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ for (i=0; i<*count; i++) {
+ (*cursors)[i].source_dsa_invocation_id = v2[i].source_dsa_invocation_id;
+ (*cursors)[i].highest_usn = v2[i].highest_usn;
+ }
+ talloc_free(v2);
+ return LDB_SUCCESS;
+}