/** * Checks if a method is callable */ static int zephir_alt_is_callable_check_method(zend_class_entry *ce, int check_flags, char *method_name, unsigned int method_len, zend_fcall_info_cache *fcc, char **error, unsigned long method_key TSRMLS_DC) { int retval = 0; #ifndef ZEPHIR_RELEASE int call_via_handler = 0; #endif if (error) { *error = NULL; } if (!method_key) { method_key = zend_inline_hash_func(method_name, method_len + 1); } /* Try to fetch find static method of given class. */ if (likely(zephir_hash_quick_find(&ce->function_table, method_name, method_len + 1, method_key, (void**) &fcc->function_handler) == SUCCESS)) { retval = 1; if ((fcc->function_handler->op_array.fn_flags & ZEND_ACC_CHANGED) && ZEPHIR_EG(scope) && instanceof_function(fcc->function_handler->common.scope, EG(scope) TSRMLS_CC)) { zend_function *priv_fbc; if (zephir_hash_quick_find(&ZEPHIR_EG(scope)->function_table, method_name, method_len + 1, method_key, (void **) &priv_fbc)==SUCCESS && (priv_fbc->common.fn_flags & ZEND_ACC_PRIVATE) && priv_fbc->common.scope == EG(scope)) { fcc->function_handler = priv_fbc; } } #ifndef ZEPHIR_RELEASE if ((check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0 && (fcc->calling_scope && (fcc->calling_scope->__call || fcc->calling_scope->__callstatic))) { if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) { if (!zend_check_private(fcc->function_handler, ce, method_name, method_len TSRMLS_CC)) { retval = 0; fcc->function_handler = NULL; goto get_function_via_handler; } } else { if (fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED) { if (!zend_check_protected(fcc->function_handler->common.scope, ZEPHIR_EG(scope))) { retval = 0; fcc->function_handler = NULL; goto get_function_via_handler; } } } } #endif } else { #ifndef ZEPHIR_RELEASE get_function_via_handler: if (Z_OBJ_HT_P(fcc->object_ptr)->get_method) { #if PHP_VERSION_ID < 50400 fcc->function_handler = Z_OBJ_HT_P(fcc->object_ptr)->get_method(&fcc->object_ptr, method_name, method_len TSRMLS_CC); #else fcc->function_handler = Z_OBJ_HT_P(fcc->object_ptr)->get_method(&fcc->object_ptr, method_name, method_len, NULL TSRMLS_CC); #endif if (fcc->function_handler) { retval = 1; call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0; } } #endif } if (retval) { #ifndef ZEPHIR_RELEASE if (fcc->calling_scope && !call_via_handler) { if (!fcc->object_ptr && (fcc->function_handler->common.fn_flags & ZEND_ACC_ABSTRACT)) { if (error) { zephir_spprintf(error, 0, "cannot call abstract method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name); retval = 0; } else { zend_error(E_ERROR, "Cannot call abstract method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name); } } if (retval && (check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0) { if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) { if (!zend_check_private(fcc->function_handler, ce, method_name, method_len TSRMLS_CC)) { if (error) { if (*error) { efree(*error); } zephir_spprintf(error, 0, "cannot access private method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name); } retval = 0; } } else { if ((fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED)) { if (!zend_check_protected(fcc->function_handler->common.scope, EG(scope))) { if (error) { if (*error) { efree(*error); } zephir_spprintf(error, 0, "cannot access protected method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name); } retval = 0; } } } } } #endif } else { if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) { if (fcc->calling_scope) { if (error) { zephir_spprintf(error, 0, "class '%s' does not have a method '%s'", fcc->calling_scope->name, method_name); } } else { if (error) { zephir_spprintf(error, 0, "function '%s' does not exist", method_name); } } } } if (retval) { fcc->initialized = 1; } return retval; }
static int zephir_is_callable_check_class(const char *name, int name_len, zend_fcall_info_cache *fcc, int *strict_class, char **error) /* {{{ */ { int ret = 0; zend_class_entry *pce; char *lcname = zend_str_tolower_dup(name, name_len); *strict_class = 0; if (name_len == sizeof("self") - 1 && !memcmp(lcname, "self", sizeof("self") - 1)) { if (!EG(scope)) { if (error) *error = estrdup("cannot access self:: when no class scope is active"); } else { fcc->called_scope = EG(current_execute_data)->called_scope; if (!fcc->object) { fcc->object = Z_OBJ(EG(current_execute_data)->This); } ret = 1; } } else if (name_len == sizeof("parent") - 1 && !memcmp(lcname, "parent", sizeof("parent") - 1)) { if (!EG(scope)) { if (error) *error = estrdup("cannot access parent:: when no class scope is active"); } else if (!EG(scope)->parent) { if (error) *error = estrdup("cannot access parent:: when current class scope has no parent"); } else { fcc->called_scope = EG(current_execute_data)->called_scope; if (!fcc->object) { fcc->object = Z_OBJ(EG(current_execute_data)->This); } *strict_class = 1; ret = 1; } } else if (name_len == sizeof("static") - 1 && !memcmp(lcname, "static", sizeof("static") - 1)) { if (!EG(current_execute_data)->called_scope) { if (error) *error = estrdup("cannot access static:: when no class scope is active"); } else { fcc->called_scope = EG(current_execute_data)->called_scope; if (!fcc->object) { fcc->object = Z_OBJ(EG(current_execute_data)->This); } *strict_class = 1; ret = 1; } } else { zend_string *class_name; class_name = zend_string_init(name, name_len, 0); if ((pce = zend_lookup_class_ex(class_name, NULL, 1)) != NULL) { zend_class_entry *scope = EG(current_execute_data) ? EG(current_execute_data)->func->common.scope : NULL; fcc->calling_scope = pce; if (scope && !fcc->object && EG(current_execute_data) && Z_OBJ(EG(current_execute_data)->This) && instanceof_function(Z_OBJCE(EG(current_execute_data)->This), scope TSRMLS_CC) && instanceof_function(scope, fcc->calling_scope TSRMLS_CC)) { fcc->object = Z_OBJ(EG(current_execute_data)->This); fcc->called_scope = fcc->object->ce; } else { fcc->called_scope = fcc->object ? fcc->object->ce : fcc->calling_scope; } *strict_class = 1; ret = 1; } else { if (error) zephir_spprintf(error, 0, "class '%.*s' not found", name_len, name); } zend_string_free(class_name); } efree(lcname); return ret; }