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php-src/ext/pdo_mysql/pdo_mysql.c
Johannes Schlüter 756ee95605 We can't dereference dbh if it is NULL
2014-02-23 14:18:24 +01:00

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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 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: George Schlossnagle <george@omniti.com> |
| Johannes Schlueter <johannes@mysql.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "pdo/php_pdo.h"
#include "pdo/php_pdo_driver.h"
#include "php_pdo_mysql.h"
#include "php_pdo_mysql_int.h"
#ifdef COMPILE_DL_PDO_MYSQL
ZEND_GET_MODULE(pdo_mysql)
#endif
ZEND_DECLARE_MODULE_GLOBALS(pdo_mysql)
/*
The default socket location is sometimes defined by configure.
With libmysql `mysql_config --socket` will fill PDO_MYSQL_UNIX_ADDR
and the user can use --with-mysql-sock=SOCKET which will fill
PDO_MYSQL_UNIX_ADDR. If both aren't set we're using mysqlnd and use
/tmp/mysql.sock as default on *nix and NULL for Windows (default
named pipe name is set in mysqlnd).
*/
#ifndef PDO_MYSQL_UNIX_ADDR
# ifdef PHP_MYSQL_UNIX_SOCK_ADDR
# define PDO_MYSQL_UNIX_ADDR PHP_MYSQL_UNIX_SOCK_ADDR
# else
# if !PHP_WIN32
# define PDO_MYSQL_UNIX_ADDR "/tmp/mysql.sock"
# else
# define PDO_MYSQL_UNIX_ADDR NULL
# endif
# endif
#endif
#ifdef PDO_USE_MYSQLND
#include "ext/mysqlnd/mysqlnd_reverse_api.h"
static MYSQLND * pdo_mysql_convert_zv_to_mysqlnd(zval * zv TSRMLS_DC)
{
if (Z_TYPE_P(zv) == IS_OBJECT && instanceof_function(Z_OBJCE_P(zv), php_pdo_get_dbh_ce() TSRMLS_CC)) {
pdo_dbh_t * dbh = zend_object_store_get_object(zv TSRMLS_CC);
if (!dbh) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to retrieve handle from object store");
return NULL;
}
if (dbh->driver != &pdo_mysql_driver) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Provided PDO instance is not using MySQL but %s", dbh->driver->driver_name);
return NULL;
}
return ((pdo_mysql_db_handle *)dbh->driver_data)->server;
}
return NULL;
}
static MYSQLND_REVERSE_API pdo_mysql_reverse_api = {
&pdo_mysql_module_entry,
pdo_mysql_convert_zv_to_mysqlnd
};
#endif
/* {{{ PHP_INI_BEGIN
*/
PHP_INI_BEGIN()
#ifndef PHP_WIN32
STD_PHP_INI_ENTRY("pdo_mysql.default_socket", PDO_MYSQL_UNIX_ADDR, PHP_INI_SYSTEM, OnUpdateStringUnempty, default_socket, zend_pdo_mysql_globals, pdo_mysql_globals)
#endif
#if PDO_DBG_ENABLED
STD_PHP_INI_ENTRY("pdo_mysql.debug", NULL, PHP_INI_SYSTEM, OnUpdateString, debug, zend_pdo_mysql_globals, pdo_mysql_globals)
#endif
PHP_INI_END()
/* }}} */
/* true global environment */
/* {{{ PHP_MINIT_FUNCTION
*/
static PHP_MINIT_FUNCTION(pdo_mysql)
{
REGISTER_INI_ENTRIES();
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_USE_BUFFERED_QUERY", (long)PDO_MYSQL_ATTR_USE_BUFFERED_QUERY);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_LOCAL_INFILE", (long)PDO_MYSQL_ATTR_LOCAL_INFILE);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_INIT_COMMAND", (long)PDO_MYSQL_ATTR_INIT_COMMAND);
#ifndef PDO_USE_MYSQLND
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_MAX_BUFFER_SIZE", (long)PDO_MYSQL_ATTR_MAX_BUFFER_SIZE);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_READ_DEFAULT_FILE", (long)PDO_MYSQL_ATTR_READ_DEFAULT_FILE);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_READ_DEFAULT_GROUP", (long)PDO_MYSQL_ATTR_READ_DEFAULT_GROUP);
#endif
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_COMPRESS", (long)PDO_MYSQL_ATTR_COMPRESS);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_DIRECT_QUERY", (long)PDO_MYSQL_ATTR_DIRECT_QUERY);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_FOUND_ROWS", (long)PDO_MYSQL_ATTR_FOUND_ROWS);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_IGNORE_SPACE", (long)PDO_MYSQL_ATTR_IGNORE_SPACE);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_SSL_KEY", (long)PDO_MYSQL_ATTR_SSL_KEY);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_SSL_CERT", (long)PDO_MYSQL_ATTR_SSL_CERT);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_SSL_CA", (long)PDO_MYSQL_ATTR_SSL_CA);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_SSL_CAPATH", (long)PDO_MYSQL_ATTR_SSL_CAPATH);
REGISTER_PDO_CLASS_CONST_LONG("MYSQL_ATTR_SSL_CIPHER", (long)PDO_MYSQL_ATTR_SSL_CIPHER);
#ifdef PDO_USE_MYSQLND
mysqlnd_reverse_api_register_api(&pdo_mysql_reverse_api TSRMLS_CC);
#endif
return php_pdo_register_driver(&pdo_mysql_driver);
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
static PHP_MSHUTDOWN_FUNCTION(pdo_mysql)
{
php_pdo_unregister_driver(&pdo_mysql_driver);
#if PDO_USE_MYSQLND
UNREGISTER_INI_ENTRIES();
#endif
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
static PHP_MINFO_FUNCTION(pdo_mysql)
{
php_info_print_table_start();
php_info_print_table_header(2, "PDO Driver for MySQL", "enabled");
php_info_print_table_row(2, "Client API version", mysql_get_client_info());
php_info_print_table_end();
#ifndef PHP_WIN32
DISPLAY_INI_ENTRIES();
#endif
}
/* }}} */
#if PDO_USE_MYSQLND && PDO_DBG_ENABLED
/* {{{ PHP_RINIT_FUNCTION
*/
static PHP_RINIT_FUNCTION(pdo_mysql)
{
if (PDO_MYSQL_G(debug)) {
MYSQLND_DEBUG *dbg = mysqlnd_debug_init(mysqlnd_debug_std_no_trace_funcs TSRMLS_CC);
if (!dbg) {
return FAILURE;
}
dbg->m->set_mode(dbg, PDO_MYSQL_G(debug));
PDO_MYSQL_G(dbg) = dbg;
}
return SUCCESS;
}
/* }}} */
/* {{{ PHP_RSHUTDOWN_FUNCTION
*/
static PHP_RSHUTDOWN_FUNCTION(pdo_mysql)
{
MYSQLND_DEBUG *dbg = PDO_MYSQL_G(dbg);
PDO_DBG_ENTER("RSHUTDOWN");
if (dbg) {
dbg->m->close(dbg);
dbg->m->free_handle(dbg);
PDO_MYSQL_G(dbg) = NULL;
}
return SUCCESS;
}
/* }}} */
#endif
/* {{{ PHP_GINIT_FUNCTION
*/
static PHP_GINIT_FUNCTION(pdo_mysql)
{
#ifndef PHP_WIN32
pdo_mysql_globals->default_socket = NULL;
#endif
#if PDO_DBG_ENABLED
pdo_mysql_globals->debug = NULL; /* The actual string */
pdo_mysql_globals->dbg = NULL; /* The DBG object*/
#endif
}
/* }}} */
/* {{{ pdo_mysql_functions[] */
const zend_function_entry pdo_mysql_functions[] = {
PHP_FE_END
};
/* }}} */
/* {{{ pdo_mysql_deps[] */
#if ZEND_MODULE_API_NO >= 20050922
static const zend_module_dep pdo_mysql_deps[] = {
ZEND_MOD_REQUIRED("pdo")
#ifdef PDO_USE_MYSQLND
ZEND_MOD_REQUIRED("mysqlnd")
#endif
ZEND_MOD_END
};
#endif
/* }}} */
/* {{{ pdo_mysql_module_entry */
zend_module_entry pdo_mysql_module_entry = {
STANDARD_MODULE_HEADER_EX, NULL,
pdo_mysql_deps,
"pdo_mysql",
pdo_mysql_functions,
PHP_MINIT(pdo_mysql),
PHP_MSHUTDOWN(pdo_mysql),
#if PDO_USE_MYSQLND && PDO_DBG_ENABLED
PHP_RINIT(pdo_mysql),
PHP_RSHUTDOWN(pdo_mysql),
#else
NULL,
NULL,
#endif
PHP_MINFO(pdo_mysql),
"1.0.2",
PHP_MODULE_GLOBALS(pdo_mysql),
PHP_GINIT(pdo_mysql),
NULL,
NULL,
STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
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