mirror of
https://github.com/php/php-src.git
synced 2024-11-29 04:46:07 +08:00
ce682f1b26
It can happen that the underlying pointer is freed (like in the case of connection reconnect), and then it cannot be allocated anymore, which means that NULL will be used consequently by the functions that fetch the resource and the crash is immediate.
350 lines
8.9 KiB
C
350 lines
8.9 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| PHP Version 5 |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 1997-2010 The PHP Group |
|
|
+----------------------------------------------------------------------+
|
|
| This source file is subject to version 3.01 of the PHP license, |
|
|
| that is bundled with this package in the file LICENSE, and is |
|
|
| available through the world-wide-web at the following url: |
|
|
| http://www.php.net/license/3_01.txt |
|
|
| If you did not receive a copy of the PHP license and are unable to |
|
|
| obtain it through the world-wide-web, please send a note to |
|
|
| license@php.net so we can mail you a copy immediately. |
|
|
+----------------------------------------------------------------------+
|
|
| Author: Georg Richter <georg@php.net> |
|
|
+----------------------------------------------------------------------+
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <signal.h>
|
|
|
|
#include "php.h"
|
|
#include "php_ini.h"
|
|
#include "ext/standard/info.h"
|
|
#include "php_mysqli_structs.h"
|
|
|
|
/* Define these in the PHP5 tree to make merging easy process */
|
|
#define ZSTR_DUPLICATE (1<<0)
|
|
#define ZSTR_AUTOFREE (1<<1)
|
|
|
|
#define ZVAL_UTF8_STRING(z, s, flags) ZVAL_STRING((z), (char*)(s), ((flags) & ZSTR_DUPLICATE))
|
|
#define ZVAL_UTF8_STRINGL(z, s, l, flags) ZVAL_STRINGL((z), (char*)(s), (l), ((flags) & ZSTR_DUPLICATE))
|
|
|
|
|
|
/* {{{ void php_clear_warnings() */
|
|
void php_clear_warnings(MYSQLI_WARNING *w)
|
|
{
|
|
MYSQLI_WARNING *n;
|
|
|
|
while (w) {
|
|
n = w;
|
|
zval_dtor(&(w->reason));
|
|
zval_dtor(&(w->sqlstate));
|
|
w = w->next;
|
|
efree(n);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
#ifndef MYSQLI_USE_MYSQLND
|
|
/* {{{ MYSQLI_WARNING *php_new_warning */
|
|
static
|
|
MYSQLI_WARNING *php_new_warning(const char *reason, int errorno TSRMLS_DC)
|
|
{
|
|
MYSQLI_WARNING *w;
|
|
|
|
w = (MYSQLI_WARNING *)ecalloc(1, sizeof(MYSQLI_WARNING));
|
|
|
|
ZVAL_UTF8_STRING(&(w->reason), reason, ZSTR_DUPLICATE);
|
|
|
|
ZVAL_UTF8_STRINGL(&(w->sqlstate), "HY000", sizeof("HY000") - 1, ZSTR_DUPLICATE);
|
|
|
|
w->errorno = errorno;
|
|
|
|
return w;
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ MYSQLI_WARNING *php_get_warnings(MYSQL *mysql TSRMLS_DC) */
|
|
MYSQLI_WARNING *php_get_warnings(MYSQL *mysql TSRMLS_DC)
|
|
{
|
|
MYSQLI_WARNING *w, *first = NULL, *prev = NULL;
|
|
MYSQL_RES *result;
|
|
MYSQL_ROW row;
|
|
|
|
if (mysql_real_query(mysql, "SHOW WARNINGS", 13)) {
|
|
return NULL;
|
|
}
|
|
|
|
result = mysql_store_result(mysql);
|
|
|
|
while ((row = mysql_fetch_row(result))) {
|
|
w = php_new_warning(row[2], atoi(row[1]) TSRMLS_CC);
|
|
if (!first) {
|
|
first = w;
|
|
}
|
|
if (prev) {
|
|
prev->next = w;
|
|
}
|
|
prev = w;
|
|
}
|
|
mysql_free_result(result);
|
|
return first;
|
|
}
|
|
/* }}} */
|
|
#else
|
|
/* {{{ MYSQLI_WARNING *php_new_warning */
|
|
static
|
|
MYSQLI_WARNING *php_new_warning(const zval *reason, int errorno TSRMLS_DC)
|
|
{
|
|
MYSQLI_WARNING *w;
|
|
|
|
w = (MYSQLI_WARNING *)ecalloc(1, sizeof(MYSQLI_WARNING));
|
|
|
|
w->reason = *reason;
|
|
zval_copy_ctor(&(w->reason));
|
|
|
|
ZVAL_UTF8_STRINGL(&(w->reason), Z_STRVAL(w->reason), Z_STRLEN(w->reason), ZSTR_AUTOFREE);
|
|
|
|
ZVAL_UTF8_STRINGL(&(w->sqlstate), "HY000", sizeof("HY000") - 1, ZSTR_DUPLICATE);
|
|
|
|
w->errorno = errorno;
|
|
|
|
return w;
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ MYSQLI_WARNING *php_get_warnings(MYSQL *mysql TSRMLS_DC) */
|
|
MYSQLI_WARNING *php_get_warnings(MYSQL *mysql TSRMLS_DC)
|
|
{
|
|
MYSQLI_WARNING *w, *first = NULL, *prev = NULL;
|
|
MYSQL_RES *result;
|
|
zval *row;
|
|
|
|
if (mysql_real_query(mysql, "SHOW WARNINGS", 13)) {
|
|
return NULL;
|
|
}
|
|
|
|
result = mysql_use_result(mysql);
|
|
|
|
for (;;) {
|
|
zval **entry;
|
|
int errno;
|
|
|
|
MAKE_STD_ZVAL(row);
|
|
mysqlnd_fetch_into(result, MYSQLND_FETCH_NUM, row, MYSQLND_MYSQLI);
|
|
if (Z_TYPE_P(row) != IS_ARRAY) {
|
|
zval_ptr_dtor(&row);
|
|
break;
|
|
}
|
|
zend_hash_internal_pointer_reset(Z_ARRVAL_P(row));
|
|
/* 0. we don't care about the first */
|
|
zend_hash_move_forward(Z_ARRVAL_P(row));
|
|
|
|
/* 1. Here comes the error no */
|
|
zend_hash_get_current_data(Z_ARRVAL_P(row), (void **)&entry);
|
|
convert_to_long_ex(entry);
|
|
errno = Z_LVAL_PP(entry);
|
|
zend_hash_move_forward(Z_ARRVAL_P(row));
|
|
|
|
/* 2. Here comes the reason */
|
|
zend_hash_get_current_data(Z_ARRVAL_P(row), (void **)&entry);
|
|
|
|
w = php_new_warning(*entry, errno TSRMLS_CC);
|
|
/*
|
|
Don't destroy entry, because the row destroy will decrease
|
|
the refcounter. Decreased twice then mysqlnd_free_result()
|
|
will crash, because it will try to access already freed memory.
|
|
*/
|
|
if (!first) {
|
|
first = w;
|
|
}
|
|
if (prev) {
|
|
prev->next = (void *)w;
|
|
}
|
|
prev = w;
|
|
|
|
zval_ptr_dtor(&row);
|
|
}
|
|
|
|
mysql_free_result(result);
|
|
return first;
|
|
}
|
|
/* }}} */
|
|
#endif
|
|
|
|
|
|
/* {{{ bool mysqli_warning::next() */
|
|
PHP_METHOD(mysqli_warning, next)
|
|
{
|
|
MYSQLI_WARNING *w;
|
|
zval *mysqli_warning;
|
|
mysqli_object *obj = (mysqli_object *)zend_objects_get_address(getThis() TSRMLS_CC);
|
|
|
|
if (obj->ptr) {
|
|
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O",
|
|
&mysqli_warning, mysqli_warning_class_entry) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
MYSQLI_FETCH_RESOURCE(w, MYSQLI_WARNING *, &mysqli_warning, "mysqli_warning", MYSQLI_STATUS_VALID);
|
|
|
|
if (w->next) {
|
|
w = w->next;
|
|
((MYSQLI_RESOURCE *)(obj->ptr))->ptr = w;
|
|
RETURN_TRUE;
|
|
}
|
|
}
|
|
RETURN_FALSE;
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ property mysqli_warning_message */
|
|
static
|
|
int mysqli_warning_message(mysqli_object *obj, zval **retval TSRMLS_DC)
|
|
{
|
|
MYSQLI_WARNING *w;
|
|
|
|
if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
|
|
return FAILURE;
|
|
}
|
|
|
|
w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
|
|
MAKE_STD_ZVAL(*retval);
|
|
**retval = w->reason;
|
|
zval_copy_ctor(*retval);
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ property mysqli_warning_sqlstate */
|
|
static
|
|
int mysqli_warning_sqlstate(mysqli_object *obj, zval **retval TSRMLS_DC)
|
|
{
|
|
MYSQLI_WARNING *w;
|
|
|
|
if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
|
|
return FAILURE;
|
|
}
|
|
|
|
w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
|
|
MAKE_STD_ZVAL(*retval);
|
|
**retval = w->sqlstate;
|
|
zval_copy_ctor(*retval);
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
/* {{{ property mysqli_warning_error */
|
|
static
|
|
int mysqli_warning_errno(mysqli_object *obj, zval **retval TSRMLS_DC)
|
|
{
|
|
MYSQLI_WARNING *w;
|
|
|
|
if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
|
|
return FAILURE;
|
|
}
|
|
w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
|
|
MAKE_STD_ZVAL(*retval);
|
|
ZVAL_LONG(*retval, w->errorno);
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ mysqli_warning_construct(object obj) */
|
|
PHP_METHOD(mysqli_warning, __construct)
|
|
{
|
|
zval *z;
|
|
mysqli_object *obj;
|
|
MYSQL *hdl;
|
|
MYSQLI_WARNING *w;
|
|
MYSQLI_RESOURCE *mysqli_resource;
|
|
|
|
if (ZEND_NUM_ARGS() != 1) {
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
if (zend_parse_parameters(1 TSRMLS_CC, "o", &z)==FAILURE) {
|
|
return;
|
|
}
|
|
obj = (mysqli_object *)zend_object_store_get_object(z TSRMLS_CC);\
|
|
|
|
if (obj->zo.ce == mysqli_link_class_entry) {
|
|
MY_MYSQL *mysql;
|
|
MYSQLI_FETCH_RESOURCE_CONN(mysql, &z, MYSQLI_STATUS_VALID);
|
|
hdl = mysql->mysql;
|
|
} else if (obj->zo.ce == mysqli_stmt_class_entry) {
|
|
MY_STMT *stmt;
|
|
MYSQLI_FETCH_RESOURCE_STMT(stmt, &z, MYSQLI_STATUS_VALID);
|
|
hdl = mysqli_stmt_get_connection(stmt->stmt);
|
|
} else {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid class argument");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (mysql_warning_count(hdl)) {
|
|
w = php_get_warnings(hdl TSRMLS_CC);
|
|
} else {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "No warnings found");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
mysqli_resource = (MYSQLI_RESOURCE *)ecalloc (1, sizeof(MYSQLI_RESOURCE));
|
|
mysqli_resource->ptr = mysqli_resource->info = (void *)w;
|
|
mysqli_resource->status = MYSQLI_STATUS_VALID;
|
|
|
|
if (!getThis() || !instanceof_function(Z_OBJCE_P(getThis()), mysqli_warning_class_entry TSRMLS_CC)) {
|
|
MYSQLI_RETURN_RESOURCE(mysqli_resource, mysqli_warning_class_entry);
|
|
} else {
|
|
((mysqli_object *) zend_object_store_get_object(getThis() TSRMLS_CC))->ptr = mysqli_resource;
|
|
}
|
|
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ mysqli_warning_methods */
|
|
const zend_function_entry mysqli_warning_methods[] = {
|
|
PHP_ME(mysqli_warning, __construct, NULL, ZEND_ACC_PROTECTED)
|
|
PHP_ME(mysqli_warning, next, NULL, ZEND_ACC_PUBLIC)
|
|
{NULL, NULL, NULL}
|
|
};
|
|
/* }}} */
|
|
|
|
/* {{{ mysqli_warning_property_entries */
|
|
const mysqli_property_entry mysqli_warning_property_entries[] = {
|
|
{"message", sizeof("message") - 1, mysqli_warning_message, NULL},
|
|
{"sqlstate", sizeof("sqlstate") - 1, mysqli_warning_sqlstate, NULL},
|
|
{"errno", sizeof("errno") - 1, mysqli_warning_errno, NULL},
|
|
{NULL, 0, NULL, NULL}
|
|
};
|
|
/* }}} */
|
|
|
|
/* {{{ mysqli_warning_property_info_entries */
|
|
zend_property_info mysqli_warning_property_info_entries[] = {
|
|
{ZEND_ACC_PUBLIC, "message", sizeof("message") - 1, 0, NULL, 0, NULL},
|
|
{ZEND_ACC_PUBLIC, "sqlstate", sizeof("sqlstate") - 1, 0, NULL, 0, NULL},
|
|
{ZEND_ACC_PUBLIC, "errno", sizeof("errno") - 1, 0, NULL, 0, NULL},
|
|
{0, NULL, 0, 0, NULL, 0, NULL}
|
|
};
|
|
/* }}} */
|
|
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
* vim600: noet sw=4 ts=4 fdm=marker
|
|
* vim<600: noet sw=4 ts=4
|
|
*/
|