コード例 #1
0
ファイル: ldb_tdb.c プロジェクト: atlant2011/samba
/*
  we've made a modification to a dn - possibly reindex and
  update sequence number
*/
static int ltdb_modified(struct ldb_module *module, struct ldb_dn *dn)
{
	int ret = LDB_SUCCESS;
	struct ltdb_private *ltdb = talloc_get_type(ldb_module_get_private(module), struct ltdb_private);

	/* only allow modifies inside a transaction, otherwise the
	 * ldb is unsafe */
	if (ltdb->in_transaction == 0) {
		ldb_set_errstring(ldb_module_get_ctx(module), "ltdb modify without transaction");
		return LDB_ERR_OPERATIONS_ERROR;
	}

	if (ldb_dn_is_special(dn) &&
	    (ldb_dn_check_special(dn, LTDB_INDEXLIST) ||
	     ldb_dn_check_special(dn, LTDB_ATTRIBUTES)) ) {
		ret = ltdb_reindex(module);
	}

	/* If the modify was to a normal record, or any special except @BASEINFO, update the seq number */
	if (ret == LDB_SUCCESS &&
	    !(ldb_dn_is_special(dn) &&
	      ldb_dn_check_special(dn, LTDB_BASEINFO)) ) {
		ret = ltdb_increase_sequence_number(module);
	}

	/* If the modify was to @OPTIONS, reload the cache */
	if (ret == LDB_SUCCESS &&
	    ldb_dn_is_special(dn) &&
	    (ldb_dn_check_special(dn, LTDB_OPTIONS)) ) {
		ret = ltdb_cache_reload(module);
	}

	return ret;
}
コード例 #2
0
ファイル: ldb_tdb.c プロジェクト: DanilKorotenko/samba
/*
  check special dn's have valid attributes
  currently only @ATTRIBUTES is checked
*/
static int ltdb_check_special_dn(struct ldb_module *module,
				 const struct ldb_message *msg)
{
	struct ldb_context *ldb = ldb_module_get_ctx(module);
	unsigned int i, j;

	if (! ldb_dn_is_special(msg->dn) ||
	    ! ldb_dn_check_special(msg->dn, LTDB_ATTRIBUTES)) {
		return LDB_SUCCESS;
	}

	/* we have @ATTRIBUTES, let's check attributes are fine */
	/* should we check that we deny multivalued attributes ? */
	for (i = 0; i < msg->num_elements; i++) {
		if (ldb_attr_cmp(msg->elements[i].name, "distinguishedName") == 0) continue;

		for (j = 0; j < msg->elements[i].num_values; j++) {
			if (ltdb_check_at_attributes_values(&msg->elements[i].values[j]) != 0) {
				ldb_set_errstring(ldb, "Invalid attribute value in an @ATTRIBUTES entry");
				return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
			}
		}
	}

	return LDB_SUCCESS;
}
コード例 #3
0
ファイル: ldb_tdb.c プロジェクト: gojdic/samba
/*
  we've made a modification to a dn - possibly reindex and
  update sequence number
*/
static int ltdb_modified(struct ldb_module *module, struct ldb_dn *dn)
{
	int ret = LDB_SUCCESS;

	if (ldb_dn_is_special(dn) &&
	    (ldb_dn_check_special(dn, LTDB_INDEXLIST) ||
	     ldb_dn_check_special(dn, LTDB_ATTRIBUTES)) ) {
		ret = ltdb_reindex(module);
	}

	if (ret == LDB_SUCCESS &&
	    !(ldb_dn_is_special(dn) &&
	      ldb_dn_check_special(dn, LTDB_BASEINFO)) ) {
		ret = ltdb_increase_sequence_number(module);
	}

	return ret;
}
コード例 #4
0
ファイル: ldb_tdb.c プロジェクト: DanilKorotenko/samba
static int ltdb_add_internal(struct ldb_module *module,
			     const struct ldb_message *msg,
			     bool check_single_value)
{
	struct ldb_context *ldb = ldb_module_get_ctx(module);
	int ret = LDB_SUCCESS;
	unsigned int i, j;

	for (i=0;i<msg->num_elements;i++) {
		struct ldb_message_element *el = &msg->elements[i];
		const struct ldb_schema_attribute *a = ldb_schema_attribute_by_name(ldb, el->name);

		if (el->num_values == 0) {
			ldb_asprintf_errstring(ldb, "attribute '%s' on '%s' specified, but with 0 values (illegal)",
					       el->name, ldb_dn_get_linearized(msg->dn));
			return LDB_ERR_CONSTRAINT_VIOLATION;
		}
		if (check_single_value &&
				el->num_values > 1 &&
				ldb_tdb_single_valued(a, el)) {
			ldb_asprintf_errstring(ldb, "SINGLE-VALUE attribute %s on %s specified more than once",
					       el->name, ldb_dn_get_linearized(msg->dn));
			return LDB_ERR_CONSTRAINT_VIOLATION;
		}

		/* Do not check "@ATTRIBUTES" for duplicated values */
		if (ldb_dn_is_special(msg->dn) &&
		    ldb_dn_check_special(msg->dn, LTDB_ATTRIBUTES)) {
			continue;
		}

		/* TODO: This is O(n^2) - replace with more efficient check */
		for (j=0; j<el->num_values; j++) {
			if (ldb_msg_find_val(el, &el->values[j]) != &el->values[j]) {
				ldb_asprintf_errstring(ldb,
						       "attribute '%s': value #%u on '%s' provided more than once",
						       el->name, j, ldb_dn_get_linearized(msg->dn));
				return LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS;
			}
		}
	}

	ret = ltdb_store(module, msg, TDB_INSERT);
	if (ret != LDB_SUCCESS) {
		if (ret == LDB_ERR_ENTRY_ALREADY_EXISTS) {
			ldb_asprintf_errstring(ldb,
					       "Entry %s already exists",
					       ldb_dn_get_linearized(msg->dn));
		}
		return ret;
	}

	ret = ltdb_index_add_new(module, msg);
	if (ret != LDB_SUCCESS) {
		return ret;
	}

	ret = ltdb_modified(module, msg->dn);

	return ret;
}