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php_mysql.c
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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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Zeev Suraski <[email protected]> |
| Zak Greant <[email protected]> |
| Georg Richter <[email protected]> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/* TODO:
*
* ? Safe mode implementation
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "php.h"
#include "php_globals.h"
#include "ext/standard/info.h"
#include "ext/standard/php_string.h"
#include "ext/standard/basic_functions.h"
#ifdef ZEND_ENGINE_2
# include "zend_exceptions.h"
#else
/* PHP 4 compat */
# define OnUpdateLong OnUpdateInt
# define E_STRICT E_NOTICE
#endif
#if HAVE_MYSQL
#ifdef PHP_WIN32
# include <winsock2.h>
# define signal(a, b) NULL
#elif defined(NETWARE)
# include <sys/socket.h>
# define signal(a, b) NULL
#else
# if HAVE_SIGNAL_H
# include <signal.h>
# endif
# if HAVE_SYS_TYPES_H
# include <sys/types.h>
# endif
# include <netdb.h>
# include <netinet/in.h>
# if HAVE_ARPA_INET_H
# include <arpa/inet.h>
# endif
#endif
#include "php_ini.h"
#include "php_mysql_structs.h"
/* True globals, no need for thread safety */
static int le_result, le_link, le_plink;
#ifdef HAVE_MYSQL_REAL_CONNECT
# ifdef HAVE_ERRMSG_H
# include <errmsg.h>
# endif
#endif
#define SAFE_STRING(s) ((s)?(s):"")
#if MYSQL_VERSION_ID > 32199 || defined(MYSQL_USE_MYSQLND)
# define mysql_row_length_type unsigned long
# define HAVE_MYSQL_ERRNO
#else
# define mysql_row_length_type unsigned int
# ifdef mysql_errno
# define HAVE_MYSQL_ERRNO
# endif
#endif
#if MYSQL_VERSION_ID >= 32032 || defined(MYSQL_USE_MYSQLND)
#define HAVE_GETINFO_FUNCS
#endif
#if MYSQL_VERSION_ID > 32133 || defined(FIELD_TYPE_TINY)
#define MYSQL_HAS_TINY
#endif
#if MYSQL_VERSION_ID >= 32200
#define MYSQL_HAS_YEAR
#endif
#define MYSQL_ASSOC 1<<0
#define MYSQL_NUM 1<<1
#define MYSQL_BOTH (MYSQL_ASSOC|MYSQL_NUM)
#define MYSQL_USE_RESULT 0
#define MYSQL_STORE_RESULT 1
#if MYSQL_VERSION_ID < 32224
#define PHP_MYSQL_VALID_RESULT(mysql) \
(mysql_num_fields(mysql)>0)
#else
#define PHP_MYSQL_VALID_RESULT(mysql) \
(mysql_field_count(mysql)>0)
#endif
ZEND_DECLARE_MODULE_GLOBALS(mysql)
static PHP_GINIT_FUNCTION(mysql);
typedef struct _php_mysql_conn {
MYSQL *conn;
zend_resource *active_result_res;
int multi_query;
} php_mysql_conn;
#if MYSQL_VERSION_ID >= 40101
#define MYSQL_DISABLE_MQ if (mysql->multi_query) { \
mysql_set_server_option(mysql->conn, MYSQL_OPTION_MULTI_STATEMENTS_OFF); \
mysql->multi_query = 0; \
}
#else
#define MYSQL_DISABLE_MQ
#endif
/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_connect, 0, 0, 0)
ZEND_ARG_INFO(0, hostname)
ZEND_ARG_INFO(0, username)
ZEND_ARG_INFO(0, password)
ZEND_ARG_INFO(0, new)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_pconnect, 0, 0, 0)
ZEND_ARG_INFO(0, hostname)
ZEND_ARG_INFO(0, username)
ZEND_ARG_INFO(0, password)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo__optional_mysql_link, 0, 0, 0)
ZEND_ARG_INFO(0, link_identifier)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_select_db, 0, 0, 1)
ZEND_ARG_INFO(0, database_name)
ZEND_ARG_INFO(0, link_identifier)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo__void_mysql_arg, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_set_charset, 0, 0, 1)
ZEND_ARG_INFO(0, charset_name)
ZEND_ARG_INFO(0, link_identifier)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_query, 0, 0, 1)
ZEND_ARG_INFO(0, query)
ZEND_ARG_INFO(0, link_identifier)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_db_query, 0, 0, 2)
ZEND_ARG_INFO(0, database_name)
ZEND_ARG_INFO(0, query)
ZEND_ARG_INFO(0, link_identifier)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_list_fields, 0, 0, 2)
ZEND_ARG_INFO(0, database_name)
ZEND_ARG_INFO(0, table_name)
ZEND_ARG_INFO(0, link_identifier)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_escape_string, 0, 0, 1)
ZEND_ARG_INFO(0, string)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_real_escape_string, 0, 0, 1)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, link_identifier)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_result, 0, 0, 2)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, row)
ZEND_ARG_INFO(0, field)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo__result_mysql_arg, 0, 0, 1)
ZEND_ARG_INFO(0, result)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_fetch_object, 0, 0, 1)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, class_name)
ZEND_ARG_INFO(0, ctor_params)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_fetch_array, 0, 0, 1)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, result_type)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_data_seek, 0, 0, 2)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, row_number)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_fetch_field, 0, 0, 1)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, field_offset)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_field_seek, 0, 0, 2)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, field_offset)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_mysql_field_name, 0, 0, 2)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, field_index)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ mysql_functions[]
*/
static const zend_function_entry mysql_functions[] = {
PHP_FE(mysql_connect, arginfo_mysql_connect)
PHP_FE(mysql_pconnect, arginfo_mysql_pconnect)
PHP_FE(mysql_close, arginfo__optional_mysql_link)
PHP_FE(mysql_select_db, arginfo_mysql_select_db)
#ifndef NETWARE /* The below two functions not supported on NetWare */
#if MYSQL_VERSION_ID < 40000
PHP_DEP_FE(mysql_create_db, arginfo_mysql_select_db)
PHP_DEP_FE(mysql_drop_db, arginfo_mysql_select_db)
#endif
#endif /* NETWARE */
PHP_FE(mysql_query, arginfo_mysql_query)
PHP_FE(mysql_unbuffered_query, arginfo_mysql_query)
PHP_DEP_FE(mysql_db_query, arginfo_mysql_db_query)
PHP_DEP_FE(mysql_list_dbs, arginfo__optional_mysql_link)
PHP_DEP_FE(mysql_list_tables, arginfo_mysql_select_db)
PHP_FE(mysql_list_fields, arginfo_mysql_list_fields)
PHP_FE(mysql_list_processes, arginfo__optional_mysql_link)
PHP_FE(mysql_error, arginfo__optional_mysql_link)
#ifdef HAVE_MYSQL_ERRNO
PHP_FE(mysql_errno, arginfo__optional_mysql_link)
#endif
PHP_FE(mysql_affected_rows, arginfo__optional_mysql_link)
PHP_FE(mysql_insert_id, arginfo__optional_mysql_link)
PHP_FE(mysql_result, arginfo_mysql_result)
PHP_FE(mysql_num_rows, arginfo__result_mysql_arg)
PHP_FE(mysql_num_fields, arginfo__result_mysql_arg)
PHP_FE(mysql_fetch_row, arginfo__result_mysql_arg)
PHP_FE(mysql_fetch_array, arginfo_mysql_fetch_array)
PHP_FE(mysql_fetch_assoc, arginfo__result_mysql_arg)
PHP_FE(mysql_fetch_object, arginfo_mysql_fetch_object)
PHP_FE(mysql_data_seek, arginfo_mysql_data_seek)
PHP_FE(mysql_fetch_lengths, arginfo__result_mysql_arg)
PHP_FE(mysql_fetch_field, arginfo_mysql_fetch_field)
PHP_FE(mysql_field_seek, arginfo_mysql_field_seek)
PHP_FE(mysql_free_result, arginfo__result_mysql_arg)
PHP_FE(mysql_field_name, arginfo_mysql_field_name)
PHP_FE(mysql_field_table, arginfo_mysql_field_seek)
PHP_FE(mysql_field_len, arginfo_mysql_field_seek)
PHP_FE(mysql_field_type, arginfo_mysql_field_seek)
PHP_FE(mysql_field_flags, arginfo_mysql_field_seek)
PHP_FE(mysql_escape_string, arginfo_mysql_escape_string)
PHP_FE(mysql_real_escape_string, arginfo_mysql_real_escape_string)
PHP_FE(mysql_stat, arginfo__optional_mysql_link)
PHP_FE(mysql_thread_id, arginfo__optional_mysql_link)
PHP_FE(mysql_client_encoding, arginfo__optional_mysql_link)
PHP_FE(mysql_ping, arginfo__optional_mysql_link)
#ifdef HAVE_GETINFO_FUNCS
PHP_FE(mysql_get_client_info, arginfo__void_mysql_arg)
PHP_FE(mysql_get_host_info, arginfo__optional_mysql_link)
PHP_FE(mysql_get_proto_info, arginfo__optional_mysql_link)
PHP_FE(mysql_get_server_info, arginfo__optional_mysql_link)
#endif
PHP_FE(mysql_info, arginfo__optional_mysql_link)
#ifdef MYSQL_HAS_SET_CHARSET
PHP_FE(mysql_set_charset, arginfo_mysql_set_charset)
#endif
/* for downwards compatibility */
PHP_DEP_FALIAS(mysql, mysql_db_query, arginfo_mysql_db_query)
PHP_DEP_FALIAS(mysql_fieldname, mysql_field_name, arginfo_mysql_field_name)
PHP_DEP_FALIAS(mysql_fieldtable, mysql_field_table, arginfo_mysql_field_seek)
PHP_DEP_FALIAS(mysql_fieldlen, mysql_field_len, arginfo_mysql_field_seek)
PHP_DEP_FALIAS(mysql_fieldtype, mysql_field_type, arginfo_mysql_field_seek)
PHP_DEP_FALIAS(mysql_fieldflags, mysql_field_flags, arginfo_mysql_field_seek)
PHP_DEP_FALIAS(mysql_selectdb, mysql_select_db, arginfo_mysql_select_db)
#ifndef NETWARE /* The below two functions not supported on NetWare */
#if MYSQL_VERSION_ID < 40000
PHP_DEP_FALIAS(mysql_createdb, mysql_create_db, arginfo_mysql_select_db)
PHP_DEP_FALIAS(mysql_dropdb, mysql_drop_db, arginfo_mysql_select_db)
#endif
#endif /* NETWARE */
PHP_DEP_FALIAS(mysql_freeresult, mysql_free_result, arginfo__result_mysql_arg)
PHP_DEP_FALIAS(mysql_numfields, mysql_num_fields, arginfo__result_mysql_arg)
PHP_DEP_FALIAS(mysql_numrows, mysql_num_rows, arginfo__result_mysql_arg)
PHP_DEP_FALIAS(mysql_listdbs, mysql_list_dbs, arginfo__optional_mysql_link)
PHP_DEP_FALIAS(mysql_listtables,mysql_list_tables, arginfo_mysql_select_db)
PHP_DEP_FALIAS(mysql_listfields, mysql_list_fields, arginfo_mysql_list_fields)
PHP_FALIAS(mysql_db_name, mysql_result, arginfo_mysql_result)
PHP_DEP_FALIAS(mysql_dbname, mysql_result, arginfo_mysql_result)
PHP_FALIAS(mysql_tablename, mysql_result, arginfo_mysql_result)
PHP_FALIAS(mysql_table_name, mysql_result, arginfo_mysql_result)
PHP_FE_END
};
/* }}} */
/* Dependancies */
static const zend_module_dep mysql_deps[] = {
#if defined(MYSQL_USE_MYSQLND)
ZEND_MOD_REQUIRED("mysqlnd")
#endif
ZEND_MOD_END
};
/* {{{ mysql_module_entry
*/
zend_module_entry mysql_module_entry = {
#if ZEND_MODULE_API_NO >= 20050922
STANDARD_MODULE_HEADER_EX, NULL,
mysql_deps,
#elif ZEND_MODULE_API_NO >= 20010901
STANDARD_MODULE_HEADER,
#endif
"mysql",
mysql_functions,
ZEND_MODULE_STARTUP_N(mysql),
PHP_MSHUTDOWN(mysql),
PHP_RINIT(mysql),
PHP_RSHUTDOWN(mysql),
PHP_MINFO(mysql),
"1.0",
PHP_MODULE_GLOBALS(mysql),
PHP_GINIT(mysql),
NULL,
NULL,
STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */
#ifdef COMPILE_DL_MYSQL
ZEND_GET_MODULE(mysql)
#endif
void timeout(int sig);
#define CHECK_LINK(link) { if (link == NULL) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "A link to the server could not be established"); RETURN_FALSE; } }
#if defined(MYSQL_USE_MYSQLND)
#define PHPMY_UNBUFFERED_QUERY_CHECK() \
{ \
if (mysql->active_result_res) { \
do { \
MYSQL_RES *_mysql_result; \
_mysql_result = (MYSQL_RES *)mysql->active_result_res->ptr; \
if (_mysql_result && \
mysql->active_result_res->type == le_result) { \
if (mysql_result_is_unbuffered(_mysql_result) && \
!mysql_eof(_mysql_result)) { \
php_error_docref(NULL TSRMLS_CC, E_NOTICE, \
"Function called without first fetching all" \
"rows from a previous unbuffered query"); \
} \
zend_list_close(mysql->active_result_res); \
mysql->active_result_res = NULL; \
} \
} while(0); \
} \
}
#else
#define PHPMY_UNBUFFERED_QUERY_CHECK() \
{ \
if (mysql->active_result_res) { \
do { \
MYSQL_RES *mysql_result; \
mysql_result = (MYSQL_RES *) mysql->active_result_res->ptr; \
if (mysql_result && \
mysql->active_result_res->type == le_result) { \
if (!mysql_eof(mysql_result)) { \
php_error_docref(NULL TSRMLS_CC, E_NOTICE, \
"Function called without first fetching " \
"all rows from a previous unbuffered query"); \
while (mysql_fetch_row(mysql_result)); \
} \
zend_list_close(mysql->active_result_res); \
mysql->active_result_res = NULL; \
} \
} while(0); \
} \
}
#endif
/* {{{ _free_mysql_result
* This wrapper is required since mysql_free_result() returns an integer, and
* thus, cannot be used directly
*/
static void _free_mysql_result(zend_resource *rsrc TSRMLS_DC)
{
MYSQL_RES *mysql_result = (MYSQL_RES *)rsrc->ptr;
mysql_free_result(mysql_result);
MySG(result_allocated)--;
}
/* }}} */
/* {{{ php_mysql_set_default_link
*/
static void php_mysql_set_default_link(zend_resource *link TSRMLS_DC)
{
if (MySG(default_link) != NULL) {
if (--GC_REFCOUNT((MySG(default_link))) == 0) {
zend_list_delete(MySG(default_link));
}
}
++GC_REFCOUNT(link);
MySG(default_link) = link;
}
/* }}} */
/* {{{ php_mysql_select_db
*/
static int php_mysql_select_db(php_mysql_conn *mysql, char *db TSRMLS_DC)
{
PHPMY_UNBUFFERED_QUERY_CHECK();
if (mysql_select_db(mysql->conn, db) != 0) {
return 0;
} else {
return 1;
}
}
/* }}} */
/* {{{ _close_mysql_link
*/
static void _close_mysql_link(zend_resource *rsrc TSRMLS_DC)
{
php_mysql_conn *link = (php_mysql_conn *)rsrc->ptr;
void (*handler)(int);
handler = signal(SIGPIPE, SIG_IGN);
mysql_close(link->conn);
signal(SIGPIPE, handler);
efree(link);
MySG(num_links)--;
}
/* }}} */
/* {{{ _close_mysql_plink
*/
static void _close_mysql_plink(zend_resource *rsrc TSRMLS_DC)
{
php_mysql_conn *link = (php_mysql_conn *)rsrc->ptr;
void (*handler) (int);
handler = signal(SIGPIPE, SIG_IGN);
mysql_close(link->conn);
signal(SIGPIPE, handler);
free(link);
MySG(num_persistent)--;
MySG(num_links)--;
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnMySQLPort)
{
if (new_value != NULL) { /* default port */
MySG(default_port) = atoi(new_value);
} else {
MySG(default_port) = -1;
}
return SUCCESS;
}
/* }}} */
/* {{{ PHP_INI */
PHP_INI_BEGIN()
STD_PHP_INI_BOOLEAN("mysql.allow_persistent", "1", PHP_INI_SYSTEM, OnUpdateLong, allow_persistent, zend_mysql_globals, mysql_globals)
STD_PHP_INI_ENTRY_EX("mysql.max_persistent", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_persistent, zend_mysql_globals, mysql_globals, display_link_numbers)
STD_PHP_INI_ENTRY_EX("mysql.max_links", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_links, zend_mysql_globals, mysql_globals, display_link_numbers)
STD_PHP_INI_ENTRY("mysql.default_host", NULL, PHP_INI_ALL, OnUpdateString, default_host, zend_mysql_globals, mysql_globals)
STD_PHP_INI_ENTRY("mysql.default_user", NULL, PHP_INI_ALL, OnUpdateString, default_user, zend_mysql_globals, mysql_globals)
STD_PHP_INI_ENTRY("mysql.default_password", NULL, PHP_INI_ALL, OnUpdateString, default_password, zend_mysql_globals, mysql_globals)
PHP_INI_ENTRY("mysql.default_port", NULL, PHP_INI_ALL, OnMySQLPort)
#ifdef MYSQL_UNIX_ADDR
STD_PHP_INI_ENTRY("mysql.default_socket", MYSQL_UNIX_ADDR,PHP_INI_ALL,OnUpdateStringUnempty, default_socket, zend_mysql_globals, mysql_globals)
#else
STD_PHP_INI_ENTRY("mysql.default_socket", NULL, PHP_INI_ALL, OnUpdateStringUnempty, default_socket, zend_mysql_globals, mysql_globals)
#endif
STD_PHP_INI_ENTRY("mysql.connect_timeout", "60", PHP_INI_ALL, OnUpdateLong, connect_timeout, zend_mysql_globals, mysql_globals)
STD_PHP_INI_BOOLEAN("mysql.trace_mode", "0", PHP_INI_ALL, OnUpdateLong, trace_mode, zend_mysql_globals, mysql_globals)
STD_PHP_INI_BOOLEAN("mysql.allow_local_infile", "1", PHP_INI_SYSTEM, OnUpdateLong, allow_local_infile, zend_mysql_globals, mysql_globals)
PHP_INI_END()
/* }}} */
/* {{{ PHP_GINIT_FUNCTION
*/
static PHP_GINIT_FUNCTION(mysql)
{
mysql_globals->num_persistent = 0;
mysql_globals->default_socket = NULL;
mysql_globals->default_host = NULL;
mysql_globals->default_user = NULL;
mysql_globals->default_password = NULL;
mysql_globals->connect_errno = 0;
mysql_globals->connect_error = NULL;
mysql_globals->connect_timeout = 0;
mysql_globals->trace_mode = 0;
mysql_globals->allow_local_infile = 1;
mysql_globals->result_allocated = 0;
}
/* }}} */
#ifdef MYSQL_USE_MYSQLND
#include "ext/mysqlnd/mysqlnd_reverse_api.h"
static MYSQLND *mysql_convert_zv_to_mysqlnd(zval *zv TSRMLS_DC)
{
php_mysql_conn *mysql;
if (Z_TYPE_P(zv) != IS_RESOURCE) {
/* Might be nicer to check resource type, too, but ext/mysql is the only one using resources so emitting an error is not to bad, while usually this hook should be silent */
return NULL;
}
mysql = zend_fetch_resource(zv TSRMLS_CC, -1, "MySQL-Link", NULL, 2, le_link, le_plink);
if (!mysql) {
return NULL;
}
return mysql->conn;
}
static MYSQLND_REVERSE_API mysql_reverse_api = {
&mysql_module_entry,
mysql_convert_zv_to_mysqlnd
};
#endif
/* {{{ PHP_MINIT_FUNCTION
*/
ZEND_MODULE_STARTUP_D(mysql)
{
REGISTER_INI_ENTRIES();
le_result = zend_register_list_destructors_ex(_free_mysql_result, NULL, "mysql result", module_number);
le_link = zend_register_list_destructors_ex(_close_mysql_link, NULL, "mysql link", module_number);
le_plink = zend_register_list_destructors_ex(NULL, _close_mysql_plink, "mysql link persistent", module_number);
mysql_module_entry.type = type;
REGISTER_LONG_CONSTANT("MYSQL_ASSOC", MYSQL_ASSOC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MYSQL_NUM", MYSQL_NUM, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MYSQL_BOTH", MYSQL_BOTH, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MYSQL_CLIENT_COMPRESS", CLIENT_COMPRESS, CONST_CS | CONST_PERSISTENT);
#if MYSQL_VERSION_ID >= 40000
REGISTER_LONG_CONSTANT("MYSQL_CLIENT_SSL", CLIENT_SSL, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("MYSQL_CLIENT_INTERACTIVE", CLIENT_INTERACTIVE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MYSQL_CLIENT_IGNORE_SPACE", CLIENT_IGNORE_SPACE, CONST_CS | CONST_PERSISTENT);
#ifndef MYSQL_USE_MYSQLND
#if MYSQL_VERSION_ID >= 40000
if (mysql_server_init(0, NULL, NULL)) {
return FAILURE;
}
#endif
#endif
#ifdef MYSQL_USE_MYSQLND
mysqlnd_reverse_api_register_api(&mysql_reverse_api TSRMLS_CC);
#endif
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
PHP_MSHUTDOWN_FUNCTION(mysql)
{
#ifndef MYSQL_USE_MYSQLND
#if MYSQL_VERSION_ID >= 40000
#ifdef PHP_WIN32
unsigned long client_ver = mysql_get_client_version();
/*
Can't call mysql_server_end() multiple times prior to 5.0.46 on Windows.
PHP bug#41350 MySQL bug#25621
*/
if ((client_ver >= 50046 && client_ver < 50100) || client_ver > 50122) {
mysql_server_end();
}
#else
mysql_server_end();
#endif
#endif
#endif
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_RINIT_FUNCTION
*/
PHP_RINIT_FUNCTION(mysql)
{
#if !defined(MYSQL_USE_MYSQLND) && defined(ZTS) && MYSQL_VERSION_ID >= 40000
if (mysql_thread_init()) {
return FAILURE;
}
#endif
MySG(default_link) = NULL;
MySG(num_links) = MySG(num_persistent);
/* Reset connect error/errno on every request */
MySG(connect_error) = NULL;
MySG(connect_errno) =0;
MySG(result_allocated) = 0;
return SUCCESS;
}
/* }}} */
#if defined(A0) && defined(MYSQL_USE_MYSQLND)
static int php_mysql_persistent_helper(zval *el;zend_rsrc_list_entry *le TSRMLS_DC)
{
//???
//zend_rsrc_list_entry *le = (zend_rsrc_list_entry*)Z_PTR_P(el);
if (le->type == le_plink) {
mysqlnd_end_psession(((php_mysql_conn *) le->ptr)->conn);
}
return ZEND_HASH_APPLY_KEEP;
} /* }}} */
#endif
/* {{{ PHP_RSHUTDOWN_FUNCTION
*/
PHP_RSHUTDOWN_FUNCTION(mysql)
{
#if !defined(MYSQL_USE_MYSQLND) && defined(ZTS) && MYSQL_VERSION_ID >= 40000
mysql_thread_end();
#endif
if (MySG(trace_mode)) {
if (MySG(result_allocated)){
php_error_docref("function.mysql-free-result" TSRMLS_CC, E_WARNING, "%lu result set(s) not freed. Use mysql_free_result to free result sets which were requested using mysql_query()", MySG(result_allocated));
}
}
if (MySG(connect_error)!=NULL) {
efree(MySG(connect_error));
}
#if defined(A0) && defined(MYSQL_USE_MYSQLND)
zend_hash_apply(&EG(persistent_list), (apply_func_t) php_mysql_persistent_helper TSRMLS_CC);
#endif
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
PHP_MINFO_FUNCTION(mysql)
{
char buf[32];
php_info_print_table_start();
php_info_print_table_header(2, "MySQL Support", "enabled");
snprintf(buf, sizeof(buf), "%ld", MySG(num_persistent));
php_info_print_table_row(2, "Active Persistent Links", buf);
snprintf(buf, sizeof(buf), "%ld", MySG(num_links));
php_info_print_table_row(2, "Active Links", buf);
php_info_print_table_row(2, "Client API version", mysql_get_client_info());
#if !defined (PHP_WIN32) && !defined (NETWARE) && !defined(MYSQL_USE_MYSQLND)
php_info_print_table_row(2, "MYSQL_MODULE_TYPE", PHP_MYSQL_TYPE);
php_info_print_table_row(2, "MYSQL_SOCKET", MYSQL_UNIX_ADDR);
php_info_print_table_row(2, "MYSQL_INCLUDE", PHP_MYSQL_INCLUDE);
php_info_print_table_row(2, "MYSQL_LIBS", PHP_MYSQL_LIBS);
#endif
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
}
/* }}} */
/* {{{ php_mysql_do_connect
*/
#define MYSQL_DO_CONNECT_CLEANUP() \
if (free_host) { \
efree(host); \
}
#define MYSQL_DO_CONNECT_RETURN_FALSE() \
MYSQL_DO_CONNECT_CLEANUP(); \
RETURN_FALSE;
#ifdef MYSQL_USE_MYSQLND
#define MYSQL_PORT 0
#endif
static void php_mysql_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent)
{
char *user = NULL, *passwd = NULL;
char *host_and_port = NULL, *socket = NULL;
char *tmp = NULL, *host = NULL;
int user_len = 0, passwd_len = 0, host_len = 0;
int port = MYSQL_PORT;
long client_flags = 0;
php_mysql_conn *mysql = NULL;
#if MYSQL_VERSION_ID <= 32230
void (*handler) (int);
#endif
long connect_timeout;
zend_string *hashed_details = NULL;
zend_bool free_host = 0, new_link = 0;
php_error_docref(NULL TSRMLS_CC,
E_DEPRECATED,
"The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead");
#if !defined(MYSQL_USE_MYSQLND)
if ((MYSQL_VERSION_ID / 100) != (mysql_get_client_version() / 100)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING,
"Headers and client library minor version mismatch. Headers:%d Library:%ld",
MYSQL_VERSION_ID, mysql_get_client_version());
}
#endif
connect_timeout = MySG(connect_timeout);
socket = MySG(default_socket);
if (MySG(default_port) < 0) {
#if !defined(PHP_WIN32) && !defined(NETWARE)
struct servent *serv_ptr;
char *env;
MySG(default_port) = MYSQL_PORT;
if ((serv_ptr = getservbyname("mysql", "tcp"))) {
MySG(default_port) = (uint)ntohs((ushort)serv_ptr->s_port);
}
if ((env = getenv("MYSQL_TCP_PORT"))) {
MySG(default_port) = (uint)atoi(env);
}
#else
MySG(default_port) = MYSQL_PORT;
#endif
}
if (PG(sql_safe_mode)) {
if (ZEND_NUM_ARGS()>0) {
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "SQL safe mode in effect - ignoring host/user/password information");
}
user = php_get_current_user(TSRMLS_C);
hashed_details = STR_ALLOC(sizeof("mysql___") + strlen(user) - 1, 0);
snprintf(hashed_details->val, hashed_details->len + 1, "mysql__%s_", user);
client_flags = CLIENT_INTERACTIVE;
} else {
/* mysql_pconnect does not support new_link parameter */
if (persistent) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!s!s!l", &host_and_port, &host_len,
&user, &user_len, &passwd, &passwd_len,
&client_flags)==FAILURE) {
return;
}
} else {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!s!s!bl", &host_and_port, &host_len,
&user, &user_len, &passwd, &passwd_len,
&new_link, &client_flags)==FAILURE) {
return;
}
}
if (!host_and_port) {
host_and_port = MySG(default_host);
}
if (!user) {
user = MySG(default_user);
}
if (!passwd) {
passwd = MySG(default_password);
passwd_len = passwd? strlen(passwd):0;
}
/* disable local infile option for open_basedir */
#if PHP_API_VERSION < 20100412
if (((PG(open_basedir) && PG(open_basedir)[0] != '\0') || PG(safe_mode)) && (client_flags & CLIENT_LOCAL_FILES)) {
#else
if ((PG(open_basedir) && PG(open_basedir)[0] != '\0') && (client_flags & CLIENT_LOCAL_FILES)) {
#endif
client_flags ^= CLIENT_LOCAL_FILES;
}
#ifdef CLIENT_MULTI_RESULTS
client_flags |= CLIENT_MULTI_RESULTS; /* compatibility with 5.2, see bug#50416 */
#endif
#ifdef CLIENT_MULTI_STATEMENTS
client_flags &= ~CLIENT_MULTI_STATEMENTS; /* don't allow multi_queries via connect parameter */
#endif
hashed_details = STR_ALLOC(sizeof("mysql____") + (host_and_port? strlen(host_and_port) : 0)
+ (user? strlen(user) : 0) + (passwd? strlen(passwd) : 0) + MAX_LENGTH_OF_LONG - 1, 0);
hashed_details->len = snprintf(hashed_details->val, hashed_details->len + 1, "mysql_%s_%s_%s_%ld", SAFE_STRING(host_and_port), SAFE_STRING(user), SAFE_STRING(passwd), client_flags);
}
/* We cannot use mysql_port anymore in windows, need to use
* mysql_real_connect() to set the port.
*/
if (host_and_port && (tmp = strchr(host_and_port, ':'))) {
host = estrndup(host_and_port, tmp-host_and_port);
free_host = 1;
tmp++;
if (tmp[0] != '/') {
port = atoi(tmp);
if ((tmp=strchr(tmp, ':'))) {
tmp++;
socket=tmp;
}
} else {
socket = tmp;
}
} else {
host = host_and_port;
port = MySG(default_port);
}
#if MYSQL_VERSION_ID < 32200
mysql_port = port;
#endif
if (!MySG(allow_persistent)) {
persistent = 0;
}
if (persistent) {
zend_resource *le;
zend_string *phashed;
/* try to find if we already have this link in our persistent list */
if ((le = zend_hash_find_ptr(&EG(persistent_list), hashed_details)) == NULL) { /* we don't */
zval new_le;
if (MySG(max_links) != -1 && MySG(num_links) >= MySG(max_links)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Too many open links (%ld)", MySG(num_links));
STR_RELEASE(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
if (MySG(max_persistent) != -1 && MySG(num_persistent) >= MySG(max_persistent)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Too many open persistent links (%ld)", MySG(num_persistent));
STR_RELEASE(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
/* create the link */
mysql = (php_mysql_conn *)malloc(sizeof(php_mysql_conn));
if (!mysql) {
php_error_docref(NULL TSRMLS_CC, E_ERROR,
"Out of memory while allocating memory for a persistent link");
}
mysql->active_result_res = NULL;
#ifdef CLIENT_MULTI_STATEMENTS
mysql->multi_query = client_flags & CLIENT_MULTI_STATEMENTS? 1:0;
#else
mysql->multi_query = 0;
#endif
#ifndef MYSQL_USE_MYSQLND
mysql->conn = mysql_init(NULL);
#else
mysql->conn = mysqlnd_init(MYSQLND_CLIENT_KNOWS_RSET_COPY_DATA, persistent);
#endif
if (connect_timeout != -1) {
mysql_options(mysql->conn, MYSQL_OPT_CONNECT_TIMEOUT, (const char *)&connect_timeout);
}
#ifndef MYSQL_USE_MYSQLND
if (mysql_real_connect(mysql->conn, host, user, passwd, NULL, port, socket, client_flags)==NULL)
#else
if (mysqlnd_connect(mysql->conn, host, user, passwd, passwd_len, NULL, 0, port, socket, client_flags, MYSQLND_CLIENT_KNOWS_RSET_COPY_DATA TSRMLS_CC) == NULL)
#endif
{
/* Populate connect error globals so that the error functions can read them */
if (MySG(connect_error) != NULL) {
efree(MySG(connect_error));
}
MySG(connect_error) = estrdup(mysql_error(mysql->conn));
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", MySG(connect_error));
#if defined(HAVE_MYSQL_ERRNO)
MySG(connect_errno) = mysql_errno(mysql->conn);
#endif
free(mysql);
STR_RELEASE(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
mysql_options(mysql->conn, MYSQL_OPT_LOCAL_INFILE, (char *)&MySG(allow_local_infile));
/* hash it up */
ZVAL_NEW_PERSISTENT_RES(&new_le, -1, mysql, le_plink);
/* avoid bogus memleak report */
phashed = STR_INIT(hashed_details->val, hashed_details->len, 1);
if (zend_hash_update(&EG(persistent_list), phashed, &new_le) == NULL) {
STR_RELEASE(phashed);
free(mysql);
STR_RELEASE(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
STR_RELEASE(phashed);
MySG(num_persistent)++;
MySG(num_links)++;
} else { /* The link is in our list of persistent connections */
if (le->type != le_plink) {
MYSQL_DO_CONNECT_RETURN_FALSE();
}
mysql = (php_mysql_conn *)le->ptr;
mysql->active_result_res = NULL;
#ifdef CLIENT_MULTI_STATEMENTS
mysql->multi_query = client_flags & CLIENT_MULTI_STATEMENTS? 1:0;
#else
mysql->multi_query = 0;
#endif
/* ensure that the link did not die */
#if defined(A0) && MYSQL_USE_MYSQLND
mysqlnd_end_psession(mysql->conn);
#endif
if (mysql_ping(mysql->conn)) {
if (mysql_errno(mysql->conn) == 2006) {
#ifndef MYSQL_USE_MYSQLND
if (mysql_real_connect(mysql->conn, host, user, passwd, NULL, port, socket, client_flags)==NULL)
#else
if (mysqlnd_connect(mysql->conn, host, user, passwd, passwd_len, NULL, 0, port, socket, client_flags, MYSQLND_CLIENT_KNOWS_RSET_COPY_DATA TSRMLS_CC) == NULL)
#endif
{
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Link to server lost, unable to reconnect");
zend_hash_del(&EG(persistent_list), hashed_details);
STR_RELEASE(hashed_details);
MYSQL_DO_CONNECT_RETURN_FALSE();
}
mysql_options(mysql->conn, MYSQL_OPT_LOCAL_INFILE, (char *)&MySG(allow_local_infile));
}
} else {
#ifdef MYSQL_USE_MYSQLND
mysqlnd_restart_psession(mysql->conn);
#endif
}
}
ZEND_REGISTER_RESOURCE(return_value, mysql, le_plink);
} else { /* non persistent */
zend_resource *index_ptr;
zval new_index_ptr;
/* first we check the hash for the hashed_details key. if it exists,
* it should point us to the right offset where the actual mysql link sits.
* if it doesn't, open a new mysql link, add it to the resource list,
* and add a pointer to it with hashed_details as the key.
*/
if (!new_link && (index_ptr = zend_hash_find_ptr(&EG(regular_list), hashed_details))) {
zend_resource *link;
if (index_ptr->type != le_index_ptr) {
MYSQL_DO_CONNECT_RETURN_FALSE();
}
link = (zend_resource *)index_ptr->ptr;
if (link && (link->type == le_link || link->type == le_plink)) {
GC_REFCOUNT(link)++;
ZVAL_RES(return_value, link);
php_mysql_set_default_link(link TSRMLS_CC);
STR_RELEASE(hashed_details);
MYSQL_DO_CONNECT_CLEANUP();
return;
} else {
zend_hash_del(&EG(regular_list), hashed_details);
}
}