forked from php/php-src
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathmysqli_api.c
2570 lines (2219 loc) · 72.2 KB
/
mysqli_api.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2012 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 "php_mysqli_structs.h"
#include "mysqli_priv.h"
/* {{{ 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() TSRMLS_CC, 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_LONG(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() TSRMLS_CC, 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 TSRMLS_DC)
{
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++) {
/* set specified type */
switch (types[ofs]) {
case 'd': /* Double */
bind[ofs].buffer_type = MYSQL_TYPE_DOUBLE;
bind[ofs].buffer = &Z_DVAL_PP(args[i]);
bind[ofs].is_null = &stmt->param.is_null[ofs];
break;
case 'i': /* Integer */
#if SIZEOF_LONG==8
bind[ofs].buffer_type = MYSQL_TYPE_LONGLONG;
#elif SIZEOF_LONG==4
bind[ofs].buffer_type = MYSQL_TYPE_LONG;
#endif
bind[ofs].buffer = &Z_LVAL_PP(args[i]);
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 TSRMLS_CC, 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 = (zval **)safe_emalloc(num_vars, sizeof(zval), 0);
for (i = 0; i < num_vars; i++) {
if (bind[i].buffer_type != MYSQL_TYPE_LONG_BLOB) {
Z_ADDREF_P(*args[i+start]);
stmt->param.vars[i] = *args[i+start];
} else {
stmt->param.vars[i] = NULL;
}
}
}
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 TSRMLS_DC)
{
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_LONG==8
type = MYSQL_TYPE_LONGLONG;
#elif SIZEOF_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 TSRMLS_CC, E_WARNING, "Undefined fieldtype %c (parameter %d)", types[i], i + start + 1);
ret = FAIL;
mysqlnd_stmt_free_param_bind(stmt->stmt, params);
goto end;
}
params[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;
int types_len;
unsigned long 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 TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_CC, E_WARNING, "Number of variables doesn't match number of parameters in prepared statement");
RETURN_FALSE;
}
args = (zval ***)safe_emalloc(argc, sizeof(zval **), 0);
if (zend_get_parameters_array_ex(argc, args) == FAILURE) {
zend_wrong_param_count(TSRMLS_C);
rc = 1;
} else {
rc = mysqli_stmt_bind_param_do_bind(stmt, argc, num_vars, args, start, types TSRMLS_CC);
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 TSRMLS_DC)
{
MYSQL_BIND *bind;
int i, ofs;
int var_cnt = argc - start;
long col_type;
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_DOUBLE:
case MYSQL_TYPE_FLOAT:
convert_to_double_ex(args[i]);
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:
convert_to_long_ex(args[i]);
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
uint 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 TSRMLS_CC, 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 = (zval **)safe_emalloc((var_cnt), sizeof(zval), 0);
for (i = start; i < var_cnt+start; i++) {
ofs = i-start;
Z_ADDREF_PP(args[i]);
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 TSRMLS_DC)
{
unsigned int i;
MYSQLND_RESULT_BIND * params = mysqlnd_stmt_alloc_result_bind(stmt->stmt);
if (params) {
for (i = 0; i < (argc - start); i++) {
params[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;
ulong rc;
MY_STMT *stmt;
zval *mysql_stmt;
if (getThis()) {
start = 0;
}
if (zend_parse_method_parameters((getThis()) ? 0:1 TSRMLS_CC, 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 TSRMLS_CC, E_WARNING, "Number of bind variables doesn't match number of fields in prepared statement");
RETURN_FALSE;
}
args = (zval ***)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 TSRMLS_CC);
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;
int user_len, password_len, dbname_len;
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() TSRMLS_CC, 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() TSRMLS_CC, 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, 1);
}
}
/* }}} */
/* {{{ php_mysqli_close */
void php_mysqli_close(MY_MYSQL * mysql, int close_type, int resource_status TSRMLS_DC)
{
if (resource_status > MYSQLI_STATUS_INITIALIZED) {
MyG(num_links)--;
}
if (!mysql->persistent) {
mysqli_close(mysql->mysql, close_type);
} else {
zend_rsrc_list_entry *le;
if (zend_hash_find(&EG(persistent_list), mysql->hash_key, strlen(mysql->hash_key) + 1, (void **)&le) == SUCCESS) {
if (Z_TYPE_P(le) == php_le_pmysqli()) {
mysqli_plist_entry *plist = (mysqli_plist_entry *) le->ptr;
#if defined(MYSQLI_USE_MYSQLND)
mysqlnd_end_psession(mysql->mysql);
#endif
zend_ptr_stack_push(&plist->free_links, mysql->mysql);
MyG(num_active_persistent)--;
MyG(num_inactive_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() TSRMLS_CC, 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 *)((mysqli_object *)zend_object_store_get_object(mysql_link TSRMLS_CC))->ptr)->status TSRMLS_CC);
((MYSQLI_RESOURCE *)((mysqli_object *)zend_object_store_get_object(mysql_link TSRMLS_CC))->ptr)->status = MYSQLI_STATUS_UNKNOWN;
MYSQLI_CLEAR_RESOURCE(&mysql_link);
efree(mysql);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool mysqli_commit(object link)
Commit outstanding actions and close transaction */
PHP_FUNCTION(mysqli_commit)
{
MY_MYSQL *mysql;
zval *mysql_link;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &mysql_link, mysqli_link_class_entry) == FAILURE) {
return;
}
MYSQLI_FETCH_RESOURCE_CONN(mysql, &mysql_link, MYSQLI_STATUS_VALID);
if (mysql_commit(mysql->mysql)) {
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;
long offset;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, 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 TSRMLS_CC, E_WARNING, "Function cannot be used with MYSQL_USE_RESULT");
RETURN_FALSE;
}
if (offset < 0 || 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;
int debug_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "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() TSRMLS_CC, 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() TSRMLS_CC, 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() TSRMLS_CC, 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, 1);
}
}
/* }}} */
#ifndef MYSQLI_USE_MYSQLND
/* {{{ php_mysqli_stmt_copy_it */
static void
php_mysqli_stmt_copy_it(zval *** copies, zval *original, uint param_count, uint current)
{
if (!*copies) {
*copies = ecalloc(param_count, sizeof(zval *));
}
MAKE_STD_ZVAL((*copies)[current]);
*(*copies)[current] = *original;
Z_SET_REFCOUNT_P((*copies)[current], 1);
zval_copy_ctor((*copies)[current]);
}
/* }}} */
#endif
/* {{{ 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;
zval **copies = NULL;
#endif
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, 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++) {
for (j = i + 1; j < stmt->param.var_cnt; j++) {
/* Oops, someone binding the same variable - clone */
if (stmt->param.vars[j] == stmt->param.vars[i] && stmt->param.vars[i]) {
php_mysqli_stmt_copy_it(&copies, stmt->param.vars[i], stmt->param.var_cnt, i);
break;
}
}
}
}
for (i = 0; i < stmt->param.var_cnt; i++) {
if (stmt->param.vars[i]) {
if ( !(stmt->param.is_null[i] = (stmt->param.vars[i]->type == IS_NULL)) ) {
zval *the_var = copies && copies[i]? copies[i]:stmt->param.vars[i];
switch (stmt->stmt->params[i].buffer_type) {
case MYSQL_TYPE_VAR_STRING:
if (the_var == stmt->param.vars[i] && Z_TYPE_P(stmt->param.vars[i]) != IS_STRING) {
php_mysqli_stmt_copy_it(&copies, stmt->param.vars[i], stmt->param.var_cnt, i);
the_var = copies[i];
}
convert_to_string_ex(&the_var);
stmt->stmt->params[i].buffer = Z_STRVAL_P(the_var);
stmt->stmt->params[i].buffer_length = Z_STRLEN_P(the_var);
break;
case MYSQL_TYPE_DOUBLE:
if (the_var == stmt->param.vars[i] && Z_TYPE_P(stmt->param.vars[i]) != IS_DOUBLE) {
php_mysqli_stmt_copy_it(&copies, stmt->param.vars[i], stmt->param.var_cnt, i);
the_var = copies[i];
}
convert_to_double_ex(&the_var);
stmt->stmt->params[i].buffer = &Z_DVAL_P(the_var);
break;
case MYSQL_TYPE_LONGLONG:
case MYSQL_TYPE_LONG:
if (the_var == stmt->param.vars[i] && Z_TYPE_P(stmt->param.vars[i]) != IS_LONG) {
php_mysqli_stmt_copy_it(&copies, stmt->param.vars[i], stmt->param.var_cnt, i);
the_var = copies[i];
}
convert_to_long_ex(&the_var);
stmt->stmt->params[i].buffer = &Z_LVAL_P(the_var);
break;
default:
break;
}
}
}
}
#endif
if (mysql_stmt_execute(stmt->stmt)) {
MYSQLI_REPORT_STMT_ERROR(stmt->stmt);
RETVAL_FALSE;
} else {
RETVAL_TRUE;
}
#ifndef MYSQLI_USE_MYSQLND
if (copies) {
for (i = 0; i < stmt->param.var_cnt; i++) {
if (copies[i]) {
zval_ptr_dtor(&copies[i]);
}
}
efree(copies);
}
#endif
if (MyG(report_mode) & MYSQLI_REPORT_INDEX) {
php_mysqli_report_index(stmt->query, mysqli_stmt_server_status(stmt->stmt) TSRMLS_CC);
}
}
/* }}} */
#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;
ulong ret;
unsigned int uval;
my_ulonglong llval;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, 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++) {
/*
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 */
if (Z_TYPE_P(stmt->result.vars[i]) == IS_STRING) {
STR_FREE(stmt->result.vars[i]->value.str.val);
}
if (!stmt->result.is_null[i]) {
switch (stmt->result.buf[i].type) {
case IS_LONG:
if ((stmt->stmt->fields[i].type == MYSQL_TYPE_LONG)
&& (stmt->stmt->fields[i].flags & UNSIGNED_FLAG))
{
/* unsigned int (11) */
uval= *(unsigned int *) stmt->result.buf[i].val;
#if SIZEOF_LONG==4
if (uval > INT_MAX) {
char *tmp, *p;
int j=10;
tmp= emalloc(11);
p= &tmp[9];
do {
*p-- = (uval % 10) + 48;
uval = uval / 10;
} while (--j > 0);
tmp[10]= '\0';
/* unsigned int > INT_MAX is 10 digits - ALWAYS */
ZVAL_STRINGL(stmt->result.vars[i], tmp, 10, 0);
break;
}
#endif
}
if (stmt->stmt->fields[i].flags & UNSIGNED_FLAG) {
ZVAL_LONG(stmt->result.vars[i], *(unsigned int *)stmt->result.buf[i].val);
} else {
ZVAL_LONG(stmt->result.vars[i], *(int *)stmt->result.buf[i].val);
}
break;
case IS_DOUBLE:
ZVAL_DOUBLE(stmt->result.vars[i], *(double *)stmt->result.buf[i].val);
break;
case IS_STRING:
if (stmt->stmt->bind[i].buffer_type == MYSQL_TYPE_LONGLONG
#if MYSQL_VERSION_ID > 50002
|| stmt->stmt->bind[i].buffer_type == MYSQL_TYPE_BIT
#endif
) {
my_bool uns= (stmt->stmt->fields[i].flags & UNSIGNED_FLAG)? 1:0;
#if MYSQL_VERSION_ID > 50002
if (stmt->stmt->bind[i].buffer_type == MYSQL_TYPE_BIT) {
switch (stmt->result.buf[i].output_len) {
case 8:llval = (my_ulonglong) bit_uint8korr(stmt->result.buf[i].val);break;
case 7:llval = (my_ulonglong) bit_uint7korr(stmt->result.buf[i].val);break;
case 6:llval = (my_ulonglong) bit_uint6korr(stmt->result.buf[i].val);break;
case 5:llval = (my_ulonglong) bit_uint5korr(stmt->result.buf[i].val);break;
case 4:llval = (my_ulonglong) bit_uint4korr(stmt->result.buf[i].val);break;
case 3:llval = (my_ulonglong) bit_uint3korr(stmt->result.buf[i].val);break;
case 2:llval = (my_ulonglong) bit_uint2korr(stmt->result.buf[i].val);break;
case 1:llval = (my_ulonglong) uint1korr(stmt->result.buf[i].val);break;
}
} else
#endif
{
llval= *(my_ulonglong *) stmt->result.buf[i].val;
}
#if SIZEOF_LONG==8
if (uns && llval > 9223372036854775807L) {
#elif SIZEOF_LONG==4
if ((uns && llval > L64(2147483647)) ||
(!uns && (( L64(2147483647) < (my_longlong) llval) ||
(L64(-2147483648) > (my_longlong) llval))))
{
#endif
char tmp[22];
/* even though lval is declared as unsigned, the value
* may be negative. Therefor we cannot use MYSQLI_LLU_SPEC and must
* use MYSQLI_LL_SPEC.
*/
snprintf(tmp, sizeof(tmp), (stmt->stmt->fields[i].flags & UNSIGNED_FLAG)? MYSQLI_LLU_SPEC : MYSQLI_LL_SPEC, llval);
ZVAL_STRING(stmt->result.vars[i], tmp, 1);
} else {
ZVAL_LONG(stmt->result.vars[i], llval);
}
} else {
#if defined(MYSQL_DATA_TRUNCATED) && MYSQL_VERSION_ID > 50002
if (ret == MYSQL_DATA_TRUNCATED && *(stmt->stmt->bind[i].error) != 0) {
/* result was truncated */
ZVAL_STRINGL(stmt->result.vars[i], stmt->result.buf[i].val,
stmt->stmt->bind[i].buffer_length, 1);
} else {
#else
{
#endif
ZVAL_STRINGL(stmt->result.vars[i], stmt->result.buf[i].val,
stmt->result.buf[i].output_len, 1);
}
}
break;
default:
break;
}
} else {
ZVAL_NULL(stmt->result.vars[i]);
}
}
} else {
MYSQLI_REPORT_STMT_ERROR(stmt->stmt);
}