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mysqli_api.c
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2015 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: Georg Richter <[email protected]> |
| Andrey Hristov <[email protected]> |
| Ulf Wendel <[email protected]> |
+----------------------------------------------------------------------+
$Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <signal.h>
#include "php.h"
#include "php_ini.h"
#include "php_globals.h"
#include "ext/standard/info.h"
#include "zend_smart_str.h"
#include "php_mysqli_structs.h"
#include "mysqli_priv.h"
#include "ext/mysqlnd/mysql_float_to_double.h"
#if !defined(MYSQLI_USE_MYSQLND)
/* {{{ mysqli_tx_cor_options_to_string */
static void mysqli_tx_cor_options_to_string(const MYSQL * const conn, smart_str * str, const uint32_t mode)
{
if (mode & TRANS_COR_AND_CHAIN && !(mode & TRANS_COR_AND_NO_CHAIN)) {
if (str->s && str->s->len) {
smart_str_appendl(str, " ", sizeof(" ") - 1);
}
smart_str_appendl(str, "AND CHAIN", sizeof("AND CHAIN") - 1);
} else if (mode & TRANS_COR_AND_NO_CHAIN && !(mode & TRANS_COR_AND_CHAIN)) {
if (str->s && str->s->len) {
smart_str_appendl(str, " ", sizeof(" ") - 1);
}
smart_str_appendl(str, "AND NO CHAIN", sizeof("AND NO CHAIN") - 1);
}
if (mode & TRANS_COR_RELEASE && !(mode & TRANS_COR_NO_RELEASE)) {
if (str->s && str->s->len) {
smart_str_appendl(str, " ", sizeof(" ") - 1);
}
smart_str_appendl(str, "RELEASE", sizeof("RELEASE") - 1);
} else if (mode & TRANS_COR_NO_RELEASE && !(mode & TRANS_COR_RELEASE)) {
if (str->s && str->s->len) {
smart_str_appendl(str, " ", sizeof(" ") - 1);
}
smart_str_appendl(str, "NO RELEASE", sizeof("NO RELEASE") - 1);
}
smart_str_0(str);
}
/* }}} */
/* {{{ mysqlnd_escape_string_for_tx_name_in_comment */
char *
mysqli_escape_string_for_tx_name_in_comment(const char * const name)
{
char * ret = NULL;
if (name) {
zend_bool warned = FALSE;
const char * p_orig = name;
char * p_copy;
p_copy = ret = emalloc(strlen(name) + 1 + 2 + 2 + 1); /* space, open, close, NullS */
*p_copy++ = ' ';
*p_copy++ = '/';
*p_copy++ = '*';
while (1) {
register char v = *p_orig;
if (v == 0) {
break;
}
if ((v >= '0' && v <= '9') ||
(v >= 'a' && v <= 'z') ||
(v >= 'A' && v <= 'Z') ||
v == '-' ||
v == '_' ||
v == ' ' ||
v == '=')
{
*p_copy++ = v;
} else if (warned == FALSE) {
php_error_docref(NULL, E_WARNING, "Transaction name truncated. Must be only [0-9A-Za-z\\-_=]+");
warned = TRUE;
}
++p_orig;
}
*p_copy++ = '*';
*p_copy++ = '/';
*p_copy++ = 0;
}
return ret;
}
/* }}} */
/* {{{ mysqli_commit_or_rollback_libmysql */
static int mysqli_commit_or_rollback_libmysql(MYSQL * conn, zend_bool commit, const uint32_t mode, const char * const name)
{
int ret;
smart_str tmp_str = {0};
mysqli_tx_cor_options_to_string(conn, &tmp_str, mode);
smart_str_0(&tmp_str);
{
char *query;
char *name_esc = mysqli_escape_string_for_tx_name_in_comment(name);
size_t query_len;
query_len = spprintf(&query, 0,
(commit? "COMMIT%s %s":"ROLLBACK%s %s"), name_esc? name_esc:"", tmp_str.s? tmp_str.s->val:"");
smart_str_free(&tmp_str);
if (name_esc) {
efree(name_esc);
name_esc = NULL;
}
ret = mysql_real_query(conn, query, query_len);
efree(query);
}
return ret;
}
/* }}} */
#endif
/* {{{ proto mixed mysqli_affected_rows(object link)
Get number of affected rows in previous MySQL operation */
PHP_FUNCTION(mysqli_affected_rows)
{
MY_MYSQL *mysql;
zval *mysql_link;
my_ulonglong rc;
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_CONN(mysql, mysql_link, MYSQLI_STATUS_VALID);
rc = mysql_affected_rows(mysql->mysql);
if (rc == (my_ulonglong) -1) {
RETURN_LONG(-1);
}
MYSQLI_RETURN_LONG_INT(rc);
}
/* }}} */
/* {{{ proto bool mysqli_autocommit(object link, bool mode)
Turn auto commit on or of */
PHP_FUNCTION(mysqli_autocommit)
{
MY_MYSQL *mysql;
zval *mysql_link;
zend_bool automode;
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "Ob", &mysql_link, mysqli_link_class_entry, &automode) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_CONN(mysql, mysql_link, MYSQLI_STATUS_VALID);
if (mysql_autocommit(mysql->mysql, (my_bool)automode)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ mysqli_stmt_bind_param_do_bind */
#ifndef MYSQLI_USE_MYSQLND
static
int mysqli_stmt_bind_param_do_bind(MY_STMT *stmt, unsigned int argc, unsigned int num_vars,
zval *args, unsigned int start, const char * const types)
{
int i, ofs;
MYSQL_BIND *bind;
unsigned long rc;
/* prevent leak if variables are already bound */
if (stmt->param.var_cnt) {
php_free_stmt_bind_buffer(stmt->param, FETCH_SIMPLE);
}
stmt->param.is_null = ecalloc(num_vars, sizeof(char));
bind = (MYSQL_BIND *) ecalloc(num_vars, sizeof(MYSQL_BIND));
ofs = 0;
for (i = start; i < argc; i++) {
zval *param;
if (Z_ISREF(args[i])) {
param = Z_REFVAL(args[i]);
} else {
param = &args[i];
}
/* set specified type */
switch (types[ofs]) {
case 'd': /* Double */
bind[ofs].buffer_type = MYSQL_TYPE_DOUBLE;
bind[ofs].buffer = &Z_DVAL_P(param);
bind[ofs].is_null = &stmt->param.is_null[ofs];
break;
case 'i': /* Integer */
#if SIZEOF_ZEND_LONG==8
bind[ofs].buffer_type = MYSQL_TYPE_LONGLONG;
#elif SIZEOF_ZEND_LONG==4
bind[ofs].buffer_type = MYSQL_TYPE_LONG;
#endif
bind[ofs].buffer = &Z_LVAL_P(param);
bind[ofs].is_null = &stmt->param.is_null[ofs];
break;
case 'b': /* Blob (send data) */
bind[ofs].buffer_type = MYSQL_TYPE_LONG_BLOB;
/* don't initialize is_null and length to 0 because we use ecalloc */
break;
case 's': /* string */
bind[ofs].buffer_type = MYSQL_TYPE_VAR_STRING;
/* don't initialize buffer and buffer_length because we use ecalloc */
bind[ofs].is_null = &stmt->param.is_null[ofs];
break;
default:
php_error_docref(NULL, E_WARNING, "Undefined fieldtype %c (parameter %d)", types[ofs], i+1);
rc = 1;
goto end_1;
}
ofs++;
}
rc = mysql_stmt_bind_param(stmt->stmt, bind);
end_1:
if (rc) {
efree(stmt->param.is_null);
} else {
stmt->param.var_cnt = num_vars;
stmt->param.vars = safe_emalloc(num_vars, sizeof(zval), 0);
for (i = 0; i < num_vars; i++) {
if (bind[i].buffer_type != MYSQL_TYPE_LONG_BLOB) {
ZVAL_COPY(&stmt->param.vars[i], &args[i+start]);
} else {
ZVAL_UNDEF(&stmt->param.vars[i]);
}
}
}
efree(bind);
return rc;
}
#else
static
int mysqli_stmt_bind_param_do_bind(MY_STMT *stmt, unsigned int argc, unsigned int num_vars,
zval *args, unsigned int start, const char * const types)
{
unsigned int i;
MYSQLND_PARAM_BIND *params;
enum_func_status ret = FAIL;
/* If no params -> skip binding and return directly */
if (argc == start) {
return PASS;
}
params = mysqlnd_stmt_alloc_param_bind(stmt->stmt);
if (!params) {
goto end;
}
for (i = 0; i < (argc - start); i++) {
zend_uchar type;
switch (types[i]) {
case 'd': /* Double */
type = MYSQL_TYPE_DOUBLE;
break;
case 'i': /* Integer */
#if SIZEOF_ZEND_LONG==8
type = MYSQL_TYPE_LONGLONG;
#elif SIZEOF_ZEND_LONG==4
type = MYSQL_TYPE_LONG;
#endif
break;
case 'b': /* Blob (send data) */
type = MYSQL_TYPE_LONG_BLOB;
break;
case 's': /* string */
type = MYSQL_TYPE_VAR_STRING;
break;
default:
/* We count parameters from 1 */
php_error_docref(NULL, E_WARNING, "Undefined fieldtype %c (parameter %d)", types[i], i + start + 1);
ret = FAIL;
mysqlnd_stmt_free_param_bind(stmt->stmt, params);
goto end;
}
ZVAL_COPY_VALUE(¶ms[i].zv, &args[i + start]);
params[i].type = type;
}
ret = mysqlnd_stmt_bind_param(stmt->stmt, params);
end:
return ret;
}
#endif
/* }}} */
/* {{{ proto bool mysqli_stmt_bind_param(object stmt, string types, mixed variable [,mixed,....]) U
Bind variables to a prepared statement as parameters */
PHP_FUNCTION(mysqli_stmt_bind_param)
{
zval *args;
int argc = ZEND_NUM_ARGS();
int num_vars;
int start = 2;
MY_STMT *stmt;
zval *mysql_stmt;
char *types;
size_t types_len;
zend_ulong rc;
/* calculate and check number of parameters */
if (argc < 2) {
/* there has to be at least one pair */
WRONG_PARAM_COUNT;
}
if (zend_parse_method_parameters((getThis()) ? 1:2, getThis(), "Os", &mysql_stmt, mysqli_stmt_class_entry,
&types, &types_len) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_STMT(stmt, mysql_stmt, MYSQLI_STATUS_VALID);
num_vars = argc - 1;
if (getThis()) {
start = 1;
} else {
/* ignore handle parameter in procedural interface*/
--num_vars;
}
if (!types_len) {
php_error_docref(NULL, E_WARNING, "Invalid type or no types specified");
RETURN_FALSE;
}
if (types_len != argc - start) {
/* number of bind variables doesn't match number of elements in type definition string */
php_error_docref(NULL, E_WARNING, "Number of elements in type definition string doesn't match number of bind variables");
RETURN_FALSE;
}
if (types_len != mysql_stmt_param_count(stmt->stmt)) {
php_error_docref(NULL, E_WARNING, "Number of variables doesn't match number of parameters in prepared statement");
RETURN_FALSE;
}
args = safe_emalloc(argc, sizeof(zval), 0);
if (zend_get_parameters_array_ex(argc, args) == FAILURE) {
zend_wrong_param_count();
rc = 1;
} else {
rc = mysqli_stmt_bind_param_do_bind(stmt, argc, num_vars, args, start, types);
MYSQLI_REPORT_STMT_ERROR(stmt->stmt);
}
efree(args);
RETURN_BOOL(!rc);
}
/* }}} */
/* {{{ mysqli_stmt_bind_result_do_bind */
#ifndef MYSQLI_USE_MYSQLND
/* TODO:
do_alloca, free_alloca
*/
static int
mysqli_stmt_bind_result_do_bind(MY_STMT *stmt, zval *args, unsigned int argc, unsigned int start)
{
MYSQL_BIND *bind;
int i, ofs;
int var_cnt = argc - start;
zend_long col_type;
zend_ulong rc;
/* prevent leak if variables are already bound */
if (stmt->result.var_cnt) {
php_free_stmt_bind_buffer(stmt->result, FETCH_RESULT);
}
bind = (MYSQL_BIND *)ecalloc(var_cnt, sizeof(MYSQL_BIND));
{
int size;
char *p = emalloc(size= var_cnt * (sizeof(char) + sizeof(VAR_BUFFER)));
stmt->result.buf = (VAR_BUFFER *) p;
stmt->result.is_null = p + var_cnt * sizeof(VAR_BUFFER);
memset(p, 0, size);
}
for (i=start; i < var_cnt + start ; i++) {
ofs = i - start;
col_type = (stmt->stmt->fields) ? stmt->stmt->fields[ofs].type : MYSQL_TYPE_STRING;
switch (col_type) {
case MYSQL_TYPE_FLOAT:
stmt->result.buf[ofs].type = IS_DOUBLE;
stmt->result.buf[ofs].buflen = sizeof(float);
stmt->result.buf[ofs].val = (char *)emalloc(sizeof(float));
bind[ofs].buffer_type = MYSQL_TYPE_FLOAT;
bind[ofs].buffer = stmt->result.buf[ofs].val;
bind[ofs].is_null = &stmt->result.is_null[ofs];
break;
case MYSQL_TYPE_DOUBLE:
stmt->result.buf[ofs].type = IS_DOUBLE;
stmt->result.buf[ofs].buflen = sizeof(double);
/* allocate buffer for double */
stmt->result.buf[ofs].val = (char *)emalloc(sizeof(double));
bind[ofs].buffer_type = MYSQL_TYPE_DOUBLE;
bind[ofs].buffer = stmt->result.buf[ofs].val;
bind[ofs].is_null = &stmt->result.is_null[ofs];
break;
case MYSQL_TYPE_NULL:
stmt->result.buf[ofs].type = IS_NULL;
/*
don't initialize to 0 :
1. stmt->result.buf[ofs].buflen
2. bind[ofs].buffer
3. bind[ofs].buffer_length
because memory was allocated with ecalloc
*/
bind[ofs].buffer_type = MYSQL_TYPE_NULL;
bind[ofs].is_null = &stmt->result.is_null[ofs];
break;
case MYSQL_TYPE_SHORT:
case MYSQL_TYPE_TINY:
case MYSQL_TYPE_LONG:
case MYSQL_TYPE_INT24:
case MYSQL_TYPE_YEAR:
stmt->result.buf[ofs].type = IS_LONG;
/* don't set stmt->result.buf[ofs].buflen to 0, we used ecalloc */
stmt->result.buf[ofs].val = (char *)emalloc(sizeof(int));
bind[ofs].buffer_type = MYSQL_TYPE_LONG;
bind[ofs].buffer = stmt->result.buf[ofs].val;
bind[ofs].is_null = &stmt->result.is_null[ofs];
bind[ofs].is_unsigned = (stmt->stmt->fields[ofs].flags & UNSIGNED_FLAG) ? 1 : 0;
break;
case MYSQL_TYPE_LONGLONG:
#if MYSQL_VERSION_ID > 50002 || defined(MYSQLI_USE_MYSQLND)
case MYSQL_TYPE_BIT:
#endif
stmt->result.buf[ofs].type = IS_STRING;
stmt->result.buf[ofs].buflen = sizeof(my_ulonglong);
stmt->result.buf[ofs].val = (char *)emalloc(stmt->result.buf[ofs].buflen);
bind[ofs].buffer_type = col_type;
bind[ofs].buffer = stmt->result.buf[ofs].val;
bind[ofs].is_null = &stmt->result.is_null[ofs];
bind[ofs].buffer_length = stmt->result.buf[ofs].buflen;
bind[ofs].is_unsigned = (stmt->stmt->fields[ofs].flags & UNSIGNED_FLAG) ? 1 : 0;
bind[ofs].length = &stmt->result.buf[ofs].output_len;
break;
case MYSQL_TYPE_DATE:
case MYSQL_TYPE_TIME:
case MYSQL_TYPE_DATETIME:
case MYSQL_TYPE_NEWDATE:
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_STRING:
case MYSQL_TYPE_TINY_BLOB:
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_MEDIUM_BLOB:
case MYSQL_TYPE_LONG_BLOB:
case MYSQL_TYPE_TIMESTAMP:
case MYSQL_TYPE_DECIMAL:
case MYSQL_TYPE_GEOMETRY:
#ifdef FIELD_TYPE_NEWDECIMAL
case MYSQL_TYPE_NEWDECIMAL:
#endif
{
#if MYSQL_VERSION_ID >= 50107
/* Changed to my_bool in MySQL 5.1. See MySQL Bug #16144 */
my_bool tmp;
#else
zend_ulong tmp = 0;
#endif
stmt->result.buf[ofs].type = IS_STRING;
/*
If the user has called $stmt->store_result() then we have asked
max_length to be updated. this is done only for BLOBS because we don't want to allocate
big chunkgs of memory 2^16 or 2^24
*/
if (stmt->stmt->fields[ofs].max_length == 0 &&
!mysql_stmt_attr_get(stmt->stmt, STMT_ATTR_UPDATE_MAX_LENGTH, &tmp) && !tmp)
{
/*
Allocate directly 256 because it's easier to allocate a bit more
than update max length even for text columns. Try SELECT UNION SELECT UNION with
different lengths and you will see that we get different lengths in stmt->stmt->fields[ofs].length
The just take 256 and saves us from realloc-ing.
*/
stmt->result.buf[ofs].buflen =
(stmt->stmt->fields) ? (stmt->stmt->fields[ofs].length) ? stmt->stmt->fields[ofs].length + 1: 256: 256;
} else {
/*
the user has called store_result(). if he does not there is no way to determine the
libmysql does not allow us to allocate 0 bytes for a buffer so we try 1
*/
if (!(stmt->result.buf[ofs].buflen = stmt->stmt->fields[ofs].max_length))
++stmt->result.buf[ofs].buflen;
}
stmt->result.buf[ofs].val = (char *)emalloc(stmt->result.buf[ofs].buflen);
bind[ofs].buffer_type = MYSQL_TYPE_STRING;
bind[ofs].buffer = stmt->result.buf[ofs].val;
bind[ofs].is_null = &stmt->result.is_null[ofs];
bind[ofs].buffer_length = stmt->result.buf[ofs].buflen;
bind[ofs].length = &stmt->result.buf[ofs].output_len;
break;
}
default:
php_error_docref(NULL, E_WARNING, "Server returned unknown type %ld. Probably your client library is incompatible with the server version you use!", col_type);
break;
}
}
rc = mysql_stmt_bind_result(stmt->stmt, bind);
MYSQLI_REPORT_STMT_ERROR(stmt->stmt);
if (rc) {
/* dont close the statement or subsequent usage (for example ->execute()) will lead to crash */
for (i=0; i < var_cnt ; i++) {
if (stmt->result.buf[i].val) {
efree(stmt->result.buf[i].val);
}
}
/* Don't free stmt->result.is_null because is_null & buf are one block of memory */
efree(stmt->result.buf);
} else {
stmt->result.var_cnt = var_cnt;
stmt->result.vars = safe_emalloc((var_cnt), sizeof(zval), 0);
for (i = start; i < var_cnt+start; i++) {
ofs = i-start;
ZVAL_COPY(&stmt->result.vars[ofs], &args[i]);
}
}
efree(bind);
return rc;
}
#else
static int
mysqli_stmt_bind_result_do_bind(MY_STMT *stmt, zval *args, unsigned int argc, unsigned int start)
{
unsigned int i;
MYSQLND_RESULT_BIND *params = mysqlnd_stmt_alloc_result_bind(stmt->stmt);
if (params) {
for (i = 0; i < (argc - start); i++) {
ZVAL_COPY_VALUE(¶ms[i].zv, &args[i + start]);
}
return mysqlnd_stmt_bind_result(stmt->stmt, params);
}
return FAIL;
}
#endif
/* }}} */
/* {{{ proto bool mysqli_stmt_bind_result(object stmt, mixed var, [,mixed, ...]) U
Bind variables to a prepared statement for result storage */
PHP_FUNCTION(mysqli_stmt_bind_result)
{
zval *args;
int argc = ZEND_NUM_ARGS();
int start = 1;
zend_ulong rc;
MY_STMT *stmt;
zval *mysql_stmt;
if (getThis()) {
start = 0;
}
if (zend_parse_method_parameters((getThis()) ? 0:1, getThis(), "O", &mysql_stmt, mysqli_stmt_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_STMT(stmt, mysql_stmt, MYSQLI_STATUS_VALID);
if (argc < (getThis() ? 1 : 2)) {
WRONG_PARAM_COUNT;
}
if ((argc - start) != mysql_stmt_field_count(stmt->stmt)) {
php_error_docref(NULL, E_WARNING, "Number of bind variables doesn't match number of fields in prepared statement");
RETURN_FALSE;
}
args = safe_emalloc(argc, sizeof(zval), 0);
if (zend_get_parameters_array_ex(argc, args) == FAILURE) {
efree(args);
WRONG_PARAM_COUNT;
}
rc = mysqli_stmt_bind_result_do_bind(stmt, args, argc, start);
efree(args);
RETURN_BOOL(!rc);
}
/* }}} */
/* {{{ proto bool mysqli_change_user(object link, string user, string password, string database)
Change logged-in user of the active connection */
PHP_FUNCTION(mysqli_change_user)
{
MY_MYSQL *mysql;
zval *mysql_link = NULL;
char *user, *password, *dbname;
size_t user_len, password_len, dbname_len;
zend_ulong rc;
#if !defined(MYSQLI_USE_MYSQLND) && defined(HAVE_MYSQLI_SET_CHARSET)
const CHARSET_INFO * old_charset;
#endif
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "Osss", &mysql_link, mysqli_link_class_entry, &user, &user_len, &password, &password_len, &dbname, &dbname_len) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_CONN(mysql, mysql_link, MYSQLI_STATUS_VALID);
#if !defined(MYSQLI_USE_MYSQLND) && defined(HAVE_MYSQLI_SET_CHARSET)
old_charset = mysql->mysql->charset;
#endif
#if defined(MYSQLI_USE_MYSQLND)
rc = mysqlnd_change_user_ex(mysql->mysql, user, password, dbname, FALSE, (size_t) password_len);
#else
rc = mysql_change_user(mysql->mysql, user, password, dbname);
#endif
MYSQLI_REPORT_MYSQL_ERROR(mysql->mysql);
if (rc) {
RETURN_FALSE;
}
#if !defined(MYSQLI_USE_MYSQLND) && defined(HAVE_MYSQLI_SET_CHARSET)
if (mysql_get_server_version(mysql->mysql) < 501023L) {
/*
Request the current charset, or it will be reset to the system one.
5.0 doesn't support it. Support added in 5.1.23 by fixing the following bug :
Bug #30472 libmysql doesn't reset charset, insert_id after succ. mysql_change_user() call
*/
rc = mysql_set_character_set(mysql->mysql, old_charset->csname);
}
#endif
RETURN_TRUE;
}
/* }}} */
/* {{{ proto string mysqli_character_set_name(object link)
Returns the name of the character set used for this connection */
PHP_FUNCTION(mysqli_character_set_name)
{
MY_MYSQL *mysql;
zval *mysql_link;
const char *cs_name;
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_CONN(mysql, mysql_link, MYSQLI_STATUS_VALID);
cs_name = mysql_character_set_name(mysql->mysql);
if (cs_name) {
RETURN_STRING(cs_name);
}
}
/* }}} */
/* {{{ php_mysqli_close */
void php_mysqli_close(MY_MYSQL * mysql, int close_type, int resource_status)
{
if (resource_status > MYSQLI_STATUS_INITIALIZED) {
MyG(num_links)--;
}
if (!mysql->persistent) {
mysqli_close(mysql->mysql, close_type);
} else {
zend_resource *le;
if ((le = zend_hash_find_ptr(&EG(persistent_list), mysql->hash_key)) != NULL) {
if (le->type == php_le_pmysqli()) {
mysqli_plist_entry *plist = (mysqli_plist_entry *) le->ptr;
#if defined(MYSQLI_USE_MYSQLND)
mysqlnd_end_psession(mysql->mysql);
#endif
if (MyG(rollback_on_cached_plink) &&
#if !defined(MYSQLI_USE_MYSQLND)
mysqli_commit_or_rollback_libmysql(mysql->mysql, FALSE, TRANS_COR_NO_OPT, NULL))
#else
FAIL == mysqlnd_rollback(mysql->mysql, TRANS_COR_NO_OPT, NULL))
#endif
{
mysqli_close(mysql->mysql, close_type);
} else {
zend_ptr_stack_push(&plist->free_links, mysql->mysql);
MyG(num_inactive_persistent)++;
}
MyG(num_active_persistent)--;
}
}
mysql->persistent = FALSE;
}
mysql->mysql = NULL;
php_clear_mysql(mysql);
}
/* }}} */
/* {{{ proto bool mysqli_close(object link)
Close connection */
PHP_FUNCTION(mysqli_close)
{
zval *mysql_link;
MY_MYSQL *mysql;
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_CONN(mysql, mysql_link, MYSQLI_STATUS_INITIALIZED);
php_mysqli_close(mysql, MYSQLI_CLOSE_EXPLICIT, ((MYSQLI_RESOURCE *)(Z_MYSQLI_P(mysql_link))->ptr)->status);
((MYSQLI_RESOURCE *)(Z_MYSQLI_P(mysql_link))->ptr)->status = MYSQLI_STATUS_UNKNOWN;
MYSQLI_CLEAR_RESOURCE(mysql_link);
efree(mysql);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool mysqli_commit(object link[, int flags [, string name ]])
Commit outstanding actions and close transaction */
PHP_FUNCTION(mysqli_commit)
{
MY_MYSQL *mysql;
zval *mysql_link;
zend_long flags = TRANS_COR_NO_OPT;
char * name = NULL;
size_t name_len = 0;
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O|ls", &mysql_link, mysqli_link_class_entry, &flags, &name, &name_len) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_CONN(mysql, mysql_link, MYSQLI_STATUS_VALID);
#if !defined(MYSQLI_USE_MYSQLND)
if (mysqli_commit_or_rollback_libmysql(mysql->mysql, TRUE, flags, name)) {
#else
if (FAIL == mysqlnd_commit(mysql->mysql, flags, name)) {
#endif
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool mysqli_data_seek(object result, int offset)
Move internal result pointer */
PHP_FUNCTION(mysqli_data_seek)
{
MYSQL_RES *result;
zval *mysql_result;
zend_long offset;
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "Ol", &mysql_result, mysqli_result_class_entry, &offset) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE(result, MYSQL_RES *, mysql_result, "mysqli_result", MYSQLI_STATUS_VALID);
if (mysqli_result_is_unbuffered(result)) {
php_error_docref(NULL, E_WARNING, "Function cannot be used with MYSQL_USE_RESULT");
RETURN_FALSE;
}
if (offset < 0 || (uint64_t)offset >= mysql_num_rows(result)) {
RETURN_FALSE;
}
mysql_data_seek(result, offset);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto void mysqli_debug(string debug) U
*/
PHP_FUNCTION(mysqli_debug)
{
char *debug;
size_t debug_len;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &debug, &debug_len) == FAILURE) {
return;
}
mysql_debug(debug);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool mysqli_dump_debug_info(object link)
*/
PHP_FUNCTION(mysqli_dump_debug_info)
{
MY_MYSQL *mysql;
zval *mysql_link;
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_CONN(mysql, mysql_link, MYSQLI_STATUS_VALID);
RETURN_BOOL(!mysql_dump_debug_info(mysql->mysql))
}
/* }}} */
/* {{{ proto int mysqli_errno(object link)
Returns the numerical value of the error message from previous MySQL operation */
PHP_FUNCTION(mysqli_errno)
{
MY_MYSQL *mysql;
zval *mysql_link;
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_CONN(mysql, mysql_link, MYSQLI_STATUS_VALID);
RETURN_LONG(mysql_errno(mysql->mysql));
}
/* }}} */
/* {{{ proto string mysqli_error(object link)
Returns the text of the error message from previous MySQL operation */
PHP_FUNCTION(mysqli_error)
{
MY_MYSQL *mysql;
zval *mysql_link;
const char *err;
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_CONN(mysql, mysql_link, MYSQLI_STATUS_VALID);
err = mysql_error(mysql->mysql);
if (err) {
RETURN_STRING(err);
}
}
/* }}} */
/* {{{ proto bool mysqli_stmt_execute(object stmt)
Execute a prepared statement */
PHP_FUNCTION(mysqli_stmt_execute)
{
MY_STMT *stmt;
zval *mysql_stmt;
#ifndef MYSQLI_USE_MYSQLND
unsigned int i;
#endif
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O", &mysql_stmt, mysqli_stmt_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_STMT(stmt, mysql_stmt, MYSQLI_STATUS_VALID);
#ifndef MYSQLI_USE_MYSQLND
if (stmt->param.var_cnt) {
int j;
for (i = 0; i < stmt->param.var_cnt; i++) {
if (!Z_ISREF(stmt->param.vars[i])) {
continue;
}
for (j = i + 1; j < stmt->param.var_cnt; j++) {
/* Oops, someone binding the same variable - clone */
if (Z_TYPE(stmt->param.vars[j]) == Z_TYPE(stmt->param.vars[i]) &&
Z_REFVAL(stmt->param.vars[j]) == Z_REFVAL(stmt->param.vars[i])) {
SEPARATE_ZVAL(&stmt->param.vars[j]);
break;
}
}
}
}
for (i = 0; i < stmt->param.var_cnt; i++) {
if (!Z_ISUNDEF(stmt->param.vars[i])) {
zval *param;
if (Z_ISREF(stmt->param.vars[i])) {
param = Z_REFVAL(stmt->param.vars[i]);
} else {
param = &stmt->param.vars[i];
}
if (!(stmt->param.is_null[i] = (Z_ISNULL_P(param)))) {
switch (stmt->stmt->params[i].buffer_type) {
case MYSQL_TYPE_VAR_STRING:
convert_to_string_ex(param);
stmt->stmt->params[i].buffer = Z_STRVAL_P(param);
stmt->stmt->params[i].buffer_length = Z_STRLEN_P(param);
break;
case MYSQL_TYPE_DOUBLE:
convert_to_double_ex(param);
stmt->stmt->params[i].buffer = &Z_DVAL_P(param);
break;
case MYSQL_TYPE_LONGLONG:
case MYSQL_TYPE_LONG:
convert_to_long_ex(param);
stmt->stmt->params[i].buffer = &Z_LVAL_P(param);
break;
default:
break;
}
}
}
}
#endif
if (mysql_stmt_execute(stmt->stmt)) {
MYSQLI_REPORT_STMT_ERROR(stmt->stmt);
RETVAL_FALSE;
} else {
RETVAL_TRUE;
}
if (MyG(report_mode) & MYSQLI_REPORT_INDEX) {
php_mysqli_report_index(stmt->query, mysqli_stmt_server_status(stmt->stmt));
}
}
/* }}} */
#ifndef MYSQLI_USE_MYSQLND
/* {{{ void mysqli_stmt_fetch_libmysql
Fetch results from a prepared statement into the bound variables */
void mysqli_stmt_fetch_libmysql(INTERNAL_FUNCTION_PARAMETERS)
{
MY_STMT *stmt;
zval *mysql_stmt;
unsigned int i;
zend_ulong ret;
unsigned int uval;
my_ulonglong llval;
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O", &mysql_stmt, mysqli_stmt_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_STMT(stmt, mysql_stmt, MYSQLI_STATUS_VALID);
/* reset buffers */
for (i = 0; i < stmt->result.var_cnt; i++) {
if (stmt->result.buf[i].type == IS_STRING) {
memset(stmt->result.buf[i].val, 0, stmt->result.buf[i].buflen);
}
}
ret = mysql_stmt_fetch(stmt->stmt);
#ifdef MYSQL_DATA_TRUNCATED
if (!ret || ret == MYSQL_DATA_TRUNCATED) {
#else
if (!ret) {
#endif
for (i = 0; i < stmt->result.var_cnt; i++) {
zval *result;
/* it must be a reference, isn't it? */
if (Z_ISREF(stmt->result.vars[i])) {
result = Z_REFVAL(stmt->result.vars[i]);
} else {
result = &stmt->result.vars[i];
}
/*
QQ: Isn't it quite better to call zval_dtor(). What if the user has
assigned a resource, or an array to the bound variable? We are going
to leak probably. zval_dtor() will handle also Unicode/Non-unicode mode.
*/
/* Even if the string is of length zero there is one byte alloced so efree() in all cases */
zval_ptr_dtor(result);