php-src/ext/mysqli/php_mysqli_structs.h
Andrey Hristov ce682f1b26 Add checks to check the underlying pointer in the resource.
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.
2010-05-26 07:28:43 +00:00

551 lines
17 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. |
+----------------------------------------------------------------------+
| Authors: Georg Richter <georg@php.net> |
| Andrey Hristov <andrey@php.net> |
| Ulf Wendel <uw@php.net> |
+----------------------------------------------------------------------+
$Id$
*/
#ifndef PHP_MYSQLI_STRUCTS_H
#define PHP_MYSQLI_STRUCTS_H
/* A little hack to prevent build break, when mysql is used together with
* c-client, which also defines LIST.
*/
#ifdef LIST
#undef LIST
#endif
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifdef MYSQLI_USE_MYSQLND
#include "ext/mysqlnd/mysqlnd.h"
#include "mysqli_mysqlnd.h"
#else
#include <mysql.h>
#include <errmsg.h>
#include "mysqli_libmysql.h"
#endif
#ifdef PHP_MYSQL_UNIX_SOCK_ADDR
#ifdef MYSQL_UNIX_ADDR
#undef MYSQL_UNIX_ADDR
#endif
#define MYSQL_UNIX_ADDR PHP_MYSQL_UNIX_SOCK_ADDR
#endif
#include "php_mysqli.h"
/* character set support */
#if defined(MYSQLND_VERSION_ID) || MYSQL_VERSION_ID > 50009
#define HAVE_MYSQLI_GET_CHARSET
#endif
#if defined(MYSQLND_VERSION_ID) || (MYSQL_VERSION_ID > 40112 && MYSQL_VERSION_ID < 50000) || MYSQL_VERSION_ID > 50005
#define HAVE_MYSQLI_SET_CHARSET
#endif
#define MYSQLI_VERSION_ID 101009
enum mysqli_status {
MYSQLI_STATUS_UNKNOWN=0,
MYSQLI_STATUS_CLEARED,
MYSQLI_STATUS_INITIALIZED,
MYSQLI_STATUS_VALID
};
typedef struct {
char *val;
ulong buflen;
ulong output_len;
ulong type;
} VAR_BUFFER;
typedef struct {
unsigned int var_cnt;
VAR_BUFFER *buf;
zval **vars;
char *is_null;
} BIND_BUFFER;
typedef struct {
MYSQL_STMT *stmt;
BIND_BUFFER param;
BIND_BUFFER result;
char *query;
} MY_STMT;
typedef struct {
MYSQL *mysql;
char *hash_key;
zval *li_read;
php_stream *li_stream;
unsigned int multi_query;
zend_bool persistent;
#if defined(MYSQLI_USE_MYSQLND)
int async_result_fetch_type;
#endif
} MY_MYSQL;
typedef struct {
int mode;
int socket;
FILE *fp;
} PROFILER;
typedef struct {
void *ptr; /* resource: (mysql, result, stmt) */
void *info; /* additional buffer */
enum mysqli_status status; /* object status */
} MYSQLI_RESOURCE;
typedef struct _mysqli_object {
zend_object zo;
void *ptr;
HashTable *prop_handler;
} mysqli_object; /* extends zend_object */
typedef struct st_mysqli_warning MYSQLI_WARNING;
struct st_mysqli_warning {
zval reason;
zval sqlstate;
int errorno;
MYSQLI_WARNING *next;
};
typedef struct _mysqli_property_entry {
const char *pname;
size_t pname_length;
int (*r_func)(mysqli_object *obj, zval **retval TSRMLS_DC);
int (*w_func)(mysqli_object *obj, zval *value TSRMLS_DC);
} mysqli_property_entry;
#if !defined(MYSQLI_USE_MYSQLND)
typedef struct {
char error_msg[LOCAL_INFILE_ERROR_LEN];
void *userdata;
} mysqli_local_infile;
#endif
typedef struct {
zend_ptr_stack free_links;
} mysqli_plist_entry;
#ifdef PHP_WIN32
#define PHP_MYSQLI_API __declspec(dllexport)
#define MYSQLI_LLU_SPEC "%I64u"
#define MYSQLI_LL_SPEC "%I64d"
#define L64(x) x##i64
typedef __int64 my_longlong;
#else
# if defined(__GNUC__) && __GNUC__ >= 4
# define PHP_MYSQLI_API __attribute__ ((visibility("default")))
# else
# define PHP_MYSQLI_API
# endif
/* we need this for PRIu64 and PRId64 */
#include <inttypes.h>
#define MYSQLI_LLU_SPEC "%" PRIu64
#define MYSQLI_LL_SPEC "%" PRId64
#define L64(x) x##LL
typedef int64_t my_longlong;
#endif
#ifdef ZTS
#include "TSRM.h"
#endif
#define PHP_MYSQLI_EXPORT(__type) PHP_MYSQLI_API __type
extern const zend_function_entry mysqli_functions[];
extern const zend_function_entry mysqli_link_methods[];
extern const zend_function_entry mysqli_stmt_methods[];
extern const zend_function_entry mysqli_result_methods[];
extern const zend_function_entry mysqli_driver_methods[];
extern const zend_function_entry mysqli_warning_methods[];
extern const zend_function_entry mysqli_exception_methods[];
extern const mysqli_property_entry mysqli_link_property_entries[];
extern const mysqli_property_entry mysqli_result_property_entries[];
extern const mysqli_property_entry mysqli_stmt_property_entries[];
extern const mysqli_property_entry mysqli_driver_property_entries[];
extern const mysqli_property_entry mysqli_warning_property_entries[];
extern zend_property_info mysqli_link_property_info_entries[];
extern zend_property_info mysqli_result_property_info_entries[];
extern zend_property_info mysqli_stmt_property_info_entries[];
extern zend_property_info mysqli_driver_property_info_entries[];
extern zend_property_info mysqli_warning_property_info_entries[];
extern void php_mysqli_fetch_into_hash(INTERNAL_FUNCTION_PARAMETERS, int override_flag, int into_object);
extern void php_clear_stmt_bind(MY_STMT *stmt TSRMLS_DC);
extern void php_clear_mysql(MY_MYSQL *);
extern MYSQLI_WARNING *php_get_warnings(MYSQL *mysql TSRMLS_DC);
extern void php_clear_warnings(MYSQLI_WARNING *w);
extern void php_free_stmt_bind_buffer(BIND_BUFFER bbuf, int type);
extern void php_mysqli_report_error(const char *sqlstate, int errorno, const char *error TSRMLS_DC);
extern void php_mysqli_report_index(const char *query, unsigned int status TSRMLS_DC);
extern void php_set_local_infile_handler_default(MY_MYSQL *);
extern void php_mysqli_throw_sql_exception(char *sqlstate, int errorno TSRMLS_DC, char *format, ...);
extern zend_class_entry *mysqli_link_class_entry;
extern zend_class_entry *mysqli_stmt_class_entry;
extern zend_class_entry *mysqli_result_class_entry;
extern zend_class_entry *mysqli_driver_class_entry;
extern zend_class_entry *mysqli_warning_class_entry;
extern zend_class_entry *mysqli_exception_class_entry;
extern int php_le_pmysqli(void);
extern void php_mysqli_dtor_p_elements(void *data);
extern void php_mysqli_close(MY_MYSQL * mysql, int close_type, int resource_status TSRMLS_DC);
extern zend_object_iterator_funcs php_mysqli_result_iterator_funcs;
extern zend_object_iterator *php_mysqli_result_get_iterator(zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC);
extern void php_mysqli_fetch_into_hash_aux(zval *return_value, MYSQL_RES * result, long fetchtype TSRMLS_DC);
#ifdef HAVE_SPL
extern PHPAPI zend_class_entry *spl_ce_RuntimeException;
#endif
PHP_MYSQLI_EXPORT(zend_object_value) mysqli_objects_new(zend_class_entry * TSRMLS_DC);
#define MYSQLI_DISABLE_MQ if (mysql->multi_query) { \
mysql_set_server_option(mysql->mysql, MYSQL_OPTION_MULTI_STATEMENTS_OFF); \
mysql->multi_query = 0; \
}
#define MYSQLI_ENABLE_MQ if (!mysql->multi_query) { \
mysql_set_server_option(mysql->mysql, MYSQL_OPTION_MULTI_STATEMENTS_ON); \
mysql->multi_query = 1; \
}
#define REGISTER_MYSQLI_CLASS_ENTRY(name, mysqli_entry, class_functions) { \
zend_class_entry ce; \
INIT_CLASS_ENTRY(ce, name,class_functions); \
ce.create_object = mysqli_objects_new; \
mysqli_entry = zend_register_internal_class(&ce TSRMLS_CC); \
} \
#define MYSQLI_REGISTER_RESOURCE_EX(__ptr, __zval) \
((mysqli_object *) zend_object_store_get_object(__zval TSRMLS_CC))->ptr = __ptr;
#define MYSQLI_RETURN_RESOURCE(__ptr, __ce) \
Z_TYPE_P(return_value) = IS_OBJECT; \
(return_value)->value.obj = mysqli_objects_new(__ce TSRMLS_CC); \
MYSQLI_REGISTER_RESOURCE_EX(__ptr, return_value)
#define MYSQLI_REGISTER_RESOURCE(__ptr, __ce) \
{\
zval *object = getThis();\
if (!object || !instanceof_function(Z_OBJCE_P(object), mysqli_link_class_entry TSRMLS_CC)) {\
object = return_value;\
Z_TYPE_P(object) = IS_OBJECT;\
(object)->value.obj = mysqli_objects_new(__ce TSRMLS_CC);\
}\
MYSQLI_REGISTER_RESOURCE_EX(__ptr, object)\
}
#define MYSQLI_FETCH_RESOURCE(__ptr, __type, __id, __name, __check) \
{ \
MYSQLI_RESOURCE *my_res; \
mysqli_object *intern = (mysqli_object *)zend_object_store_get_object(*(__id) TSRMLS_CC);\
if (!(my_res = (MYSQLI_RESOURCE *)intern->ptr)) {\
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Couldn't fetch %s", intern->zo.ce->name);\
RETURN_NULL();\
}\
__ptr = (__type)my_res->ptr; \
if (__check && my_res->status < __check) { \
php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid object or resource %s\n", intern->zo.ce->name); \
RETURN_NULL();\
}\
}
#define MYSQLI_FETCH_RESOURCE_BY_OBJ(__ptr, __type, __obj, __name, __check) \
{ \
MYSQLI_RESOURCE *my_res; \
if (!(my_res = (MYSQLI_RESOURCE *)(__obj->ptr))) {\
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Couldn't fetch %s", intern->zo.ce->name);\
return;\
}\
__ptr = (__type)my_res->ptr; \
if (__check && my_res->status < __check) { \
php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid object or resource %s\n", intern->zo.ce->name); \
return;\
}\
}
#define MYSQLI_FETCH_RESOURCE_CONN(__ptr, __id, __check) \
{ \
MYSQLI_FETCH_RESOURCE((__ptr), MY_MYSQL *, (__id), "mysqli_link", (__check)); \
if (!(__ptr)->mysql) { \
mysqli_object *intern = (mysqli_object *)zend_object_store_get_object(*(__id) TSRMLS_CC);\
php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid object or resource %s\n", intern->zo.ce->name); \
RETURN_NULL();\
} \
}
#define MYSQLI_FETCH_RESOURCE_STMT(__ptr, __id, __check) \
{ \
MYSQLI_FETCH_RESOURCE((__ptr), MY_STMT *, (__id), "mysqli_stmt", (__check)); \
if (!(__ptr)->stmt) { \
mysqli_object *intern = (mysqli_object *)zend_object_store_get_object(*(__id) TSRMLS_CC);\
php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid object or resource %s\n", intern->zo.ce->name); \
RETURN_NULL();\
} \
}
#define MYSQLI_SET_STATUS(__id, __value) \
{ \
mysqli_object *intern = (mysqli_object *)zend_object_store_get_object(*(__id) TSRMLS_CC);\
((MYSQLI_RESOURCE *)intern->ptr)->status = __value; \
} \
#define MYSQLI_CLEAR_RESOURCE(__id) \
{ \
mysqli_object *intern = (mysqli_object *)zend_object_store_get_object(*(__id) TSRMLS_CC);\
efree(intern->ptr); \
intern->ptr = NULL; \
}
#define MYSQLI_RETURN_LONG_LONG(__val) \
{ \
if ((__val) < LONG_MAX) { \
RETURN_LONG((long) (__val)); \
} else { \
char *ret; \
/* always used with my_ulonglong -> %llu */ \
int l = spprintf(&ret, 0, MYSQLI_LLU_SPEC, (__val)); \
RETURN_STRINGL(ret, l, 0); \
} \
}
#define MYSQLI_STORE_RESULT 0
#define MYSQLI_USE_RESULT 1
#ifdef MYSQLI_USE_MYSQLND
#define MYSQLI_ASYNC 8
#else
/* libmysql */
#define MYSQLI_ASYNC 0
#endif
/* for mysqli_fetch_assoc */
#define MYSQLI_ASSOC 1
#define MYSQLI_NUM 2
#define MYSQLI_BOTH 3
/* fetch types */
#define FETCH_SIMPLE 1
#define FETCH_RESULT 2
/*** REPORT MODES ***/
#define MYSQLI_REPORT_OFF 0
#define MYSQLI_REPORT_ERROR 1
#define MYSQLI_REPORT_STRICT 2
#define MYSQLI_REPORT_INDEX 4
#define MYSQLI_REPORT_CLOSE 8
#define MYSQLI_REPORT_ALL 255
#define MYSQLI_REPORT_MYSQL_ERROR(mysql) \
if ((MyG(report_mode) & MYSQLI_REPORT_ERROR) && mysql_errno(mysql)) { \
php_mysqli_report_error(mysql_sqlstate(mysql), mysql_errno(mysql), mysql_error(mysql) TSRMLS_CC); \
}
#define MYSQLI_REPORT_STMT_ERROR(stmt) \
if ((MyG(report_mode) & MYSQLI_REPORT_ERROR) && mysql_stmt_errno(stmt)) { \
php_mysqli_report_error(mysql_stmt_sqlstate(stmt), mysql_stmt_errno(stmt), mysql_stmt_error(stmt) TSRMLS_CC); \
}
void mysqli_common_connect(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_real_connect, zend_bool in_ctor);
void php_mysqli_init(INTERNAL_FUNCTION_PARAMETERS);
ZEND_BEGIN_MODULE_GLOBALS(mysqli)
long default_link;
long num_links;
long max_links;
long num_active_persistent;
long num_inactive_persistent;
long max_persistent;
long allow_persistent;
long cache_size;
unsigned long default_port;
char *default_host;
char *default_user;
char *default_socket;
char *default_pw;
long reconnect;
long allow_local_infile;
long strict;
long error_no;
char *error_msg;
long report_mode;
HashTable *report_ht;
unsigned long multi_query;
unsigned long embedded;
ZEND_END_MODULE_GLOBALS(mysqli)
#ifdef ZTS
#define MyG(v) TSRMG(mysqli_globals_id, zend_mysqli_globals *, v)
#else
#define MyG(v) (mysqli_globals.v)
#endif
#define my_estrdup(x) (x) ? estrdup(x) : NULL
#define my_efree(x) if (x) efree(x)
ZEND_EXTERN_MODULE_GLOBALS(mysqli)
PHP_MINIT_FUNCTION(mysqli);
PHP_MSHUTDOWN_FUNCTION(mysqli);
PHP_RINIT_FUNCTION(mysqli);
PHP_RSHUTDOWN_FUNCTION(mysqli);
PHP_MINFO_FUNCTION(mysqli);
PHP_FUNCTION(mysqli);
PHP_FUNCTION(mysqli_affected_rows);
PHP_FUNCTION(mysqli_autocommit);
PHP_FUNCTION(mysqli_change_user);
PHP_FUNCTION(mysqli_character_set_name);
PHP_FUNCTION(mysqli_set_charset);
PHP_FUNCTION(mysqli_close);
PHP_FUNCTION(mysqli_commit);
PHP_FUNCTION(mysqli_connect);
PHP_FUNCTION(mysqli_connect_errno);
PHP_FUNCTION(mysqli_connect_error);
PHP_FUNCTION(mysqli_data_seek);
PHP_FUNCTION(mysqli_debug);
PHP_FUNCTION(mysqli_dump_debug_info);
PHP_FUNCTION(mysqli_errno);
PHP_FUNCTION(mysqli_error);
PHP_FUNCTION(mysqli_fetch_all);
PHP_FUNCTION(mysqli_fetch_array);
PHP_FUNCTION(mysqli_fetch_assoc);
PHP_FUNCTION(mysqli_fetch_object);
PHP_FUNCTION(mysqli_fetch_field);
PHP_FUNCTION(mysqli_fetch_fields);
PHP_FUNCTION(mysqli_fetch_field_direct);
PHP_FUNCTION(mysqli_fetch_lengths);
PHP_FUNCTION(mysqli_fetch_row);
PHP_FUNCTION(mysqli_field_count);
PHP_FUNCTION(mysqli_field_seek);
PHP_FUNCTION(mysqli_field_tell);
PHP_FUNCTION(mysqli_free_result);
PHP_FUNCTION(mysqli_get_cache_stats);
PHP_FUNCTION(mysqli_get_client_stats);
PHP_FUNCTION(mysqli_get_connection_stats);
PHP_FUNCTION(mysqli_get_charset);
PHP_FUNCTION(mysqli_get_client_info);
PHP_FUNCTION(mysqli_get_client_version);
PHP_FUNCTION(mysqli_get_host_info);
PHP_FUNCTION(mysqli_get_proto_info);
PHP_FUNCTION(mysqli_get_server_info);
PHP_FUNCTION(mysqli_get_server_version);
PHP_FUNCTION(mysqli_get_warnings);
PHP_FUNCTION(mysqli_info);
PHP_FUNCTION(mysqli_insert_id);
PHP_FUNCTION(mysqli_init);
PHP_FUNCTION(mysqli_kill);
PHP_FUNCTION(mysqli_link_construct);
PHP_FUNCTION(mysqli_set_local_infile_default);
PHP_FUNCTION(mysqli_set_local_infile_handler);
PHP_FUNCTION(mysqli_more_results);
PHP_FUNCTION(mysqli_multi_query);
PHP_FUNCTION(mysqli_next_result);
PHP_FUNCTION(mysqli_num_fields);
PHP_FUNCTION(mysqli_num_rows);
PHP_FUNCTION(mysqli_options);
PHP_FUNCTION(mysqli_ping);
PHP_FUNCTION(mysqli_poll);
PHP_FUNCTION(mysqli_prepare);
PHP_FUNCTION(mysqli_query);
PHP_FUNCTION(mysqli_stmt_result_metadata);
PHP_FUNCTION(mysqli_report);
PHP_FUNCTION(mysqli_read_query_result);
PHP_FUNCTION(mysqli_real_connect);
PHP_FUNCTION(mysqli_real_query);
PHP_FUNCTION(mysqli_real_escape_string);
PHP_FUNCTION(mysqli_reap_async_query);
PHP_FUNCTION(mysqli_rollback);
PHP_FUNCTION(mysqli_row_seek);
PHP_FUNCTION(mysqli_select_db);
PHP_FUNCTION(mysqli_stmt_attr_get);
PHP_FUNCTION(mysqli_stmt_attr_set);
PHP_FUNCTION(mysqli_stmt_bind_param);
PHP_FUNCTION(mysqli_stmt_bind_result);
PHP_FUNCTION(mysqli_stmt_execute);
PHP_FUNCTION(mysqli_stmt_field_count);
PHP_FUNCTION(mysqli_stmt_init);
PHP_FUNCTION(mysqli_stmt_prepare);
PHP_FUNCTION(mysqli_stmt_fetch);
PHP_FUNCTION(mysqli_stmt_param_count);
PHP_FUNCTION(mysqli_stmt_send_long_data);
PHP_FUNCTION(mysqli_embedded_server_end);
PHP_FUNCTION(mysqli_embedded_server_start);
PHP_FUNCTION(mysqli_sqlstate);
PHP_FUNCTION(mysqli_ssl_set);
PHP_FUNCTION(mysqli_stat);
PHP_FUNCTION(mysqli_refresh);
PHP_FUNCTION(mysqli_stmt_affected_rows);
PHP_FUNCTION(mysqli_stmt_close);
PHP_FUNCTION(mysqli_stmt_data_seek);
PHP_FUNCTION(mysqli_stmt_errno);
PHP_FUNCTION(mysqli_stmt_error);
PHP_FUNCTION(mysqli_stmt_free_result);
PHP_FUNCTION(mysqli_stmt_get_result);
PHP_FUNCTION(mysqli_stmt_get_warnings);
PHP_FUNCTION(mysqli_stmt_reset);
PHP_FUNCTION(mysqli_stmt_insert_id);
PHP_FUNCTION(mysqli_stmt_more_results);
PHP_FUNCTION(mysqli_stmt_next_result);
PHP_FUNCTION(mysqli_stmt_num_rows);
PHP_FUNCTION(mysqli_stmt_sqlstate);
PHP_FUNCTION(mysqli_stmt_store_result);
PHP_FUNCTION(mysqli_store_result);
PHP_FUNCTION(mysqli_thread_id);
PHP_FUNCTION(mysqli_thread_safe);
PHP_FUNCTION(mysqli_use_result);
PHP_FUNCTION(mysqli_warning_count);
PHP_FUNCTION(mysqli_stmt_construct);
PHP_FUNCTION(mysqli_result_construct);
PHP_FUNCTION(mysqli_driver_construct);
PHP_METHOD(mysqli_warning,__construct);
#endif /* PHP_MYSQLI_STRUCTS.H */
/*
* 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
*/