Use expression evaluation in place of map for LDAP profile condition

Author: ndptech

src/lib/ldap/map.c

@@ -354,39 +354,42 @@ int fr_ldap_map_do(request_t *request, char const *check_attr,
 		count = ldap_count_values_len(values);
 
 		for (i = 0; i < count; i++) {
-			map_t	*check = NULL;
-			char	*value = fr_ldap_berval_to_string(request, values[i]);
+			char			*value = fr_ldap_berval_to_string(request, values[i]);
+			xlat_exp_head_t		*cond_expr = NULL;
+			fr_value_box_list_t	res;
 
 			RDEBUG3("Parsing condition %s", value);
-			if (map_afrom_attr_str(request, &check, value, &parse_rules, &parse_rules) < 0) {
+
+			if (xlat_tokenize_expression(request, &cond_expr,
+						     &FR_SBUFF_IN(value, talloc_array_length(value) - 1),
+						     NULL, &parse_rules) < 0) {
 				RPEDEBUG("Failed parsing '%s' value \"%s\"", check_attr, value);
 			fail:
 				applied = -1;
 			free:
-				talloc_free(check);
+				talloc_free(cond_expr);
 				talloc_free(value);
 				ldap_value_free_len(values);
 				return applied;
 			}
 
-			if (!fr_comparison_op[check->op]) {
-				REDEBUG("Invalid operator '%s'", fr_tokens[check->op]);
+			if (xlat_impure_func(cond_expr)) {
+				fr_strerror_const("Condition expression cannot depend on functions which call external databases");
 				goto fail;
 			}
 
-			if (fr_type_is_structural(tmpl_attr_tail_da(check->lhs)->type) &&
-			    (check->op != T_OP_CMP_TRUE) && (check->op != T_OP_CMP_FALSE)) {
-				REDEBUG("Invalid comparison for structural type");
+			RDEBUG2("Checking condition %s", value);
+			fr_value_box_list_init(&res);
+			if (unlang_xlat_eval(request, &res, request, cond_expr) < 0) {
+				RPEDEBUG("Failed evaluating condition");
 				goto fail;
 			}
-
-			RDEBUG2("Checking condition %s %s %s", check->lhs->name, fr_tokens[check->op], check->rhs->name);
-			if (radius_legacy_map_cmp(request, check) != 1) {
+			if (!fr_value_box_list_head(&res) || !fr_value_box_is_truthy(fr_value_box_list_head(&res))) {
 				RDEBUG2("Failed match: skipping this profile");
 				goto free;
 			}
 			talloc_free(value);
-			talloc_free(check);
+			talloc_free(cond_expr);
 		}
 		ldap_value_free_len(values);
 	}