-
Notifications
You must be signed in to change notification settings - Fork 7.7k
/
main.c
1868 lines (1638 loc) · 55 KB
/
main.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 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2008 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: Andi Gutmans <andi@zend.com> |
| Rasmus Lerdorf <rasmus@lerdorf.on.ca> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/* {{{ includes
*/
#include <stdio.h>
#include "php.h"
#ifdef PHP_WIN32
#include "win32/time.h"
#include "win32/signal.h"
#include <process.h>
#elif defined(NETWARE)
#ifdef USE_WINSOCK
#include <novsock2.h>
#endif
#endif
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
#if HAVE_SETLOCALE
#include <locale.h>
#endif
#include "zend.h"
#include "zend_extensions.h"
#include "php_ini.h"
#include "php_globals.h"
#include "php_main.h"
#include "fopen_wrappers.h"
#include "ext/standard/php_standard.h"
#include "php_variables.h"
#include "ext/standard/credits.h"
#ifdef PHP_WIN32
#include <io.h>
#include "win32/php_registry.h"
#endif
#if defined(HAVE_FCNTL_H)
#include <fcntl.h>
#endif
#include "php_syslog.h"
#if PHP_SIGCHILD
#include <sys/types.h>
#include <sys/wait.h>
#endif
#include "zend_compile.h"
#include "zend_execute.h"
#include "zend_highlight.h"
#include "zend_indent.h"
#include "zend_extensions.h"
#include "zend_ini.h"
#include "php_content_types.h"
#include "php_ticks.h"
#include "php_logos.h"
#include "php_streams.h"
#include "SAPI.h"
#include "rfc1867.h"
/* }}} */
#ifndef ZTS
php_core_globals core_globals;
#else
PHPAPI int core_globals_id;
#endif
#define ERROR_BUF_LEN 1024
typedef struct {
char buf[ERROR_BUF_LEN];
char filename[ERROR_BUF_LEN];
uint lineno;
} last_error_type;
static last_error_type last_error;
static void php_build_argv(char *s TSRMLS_DC);
static char *short_track_vars_names[] = {
"_POST",
"_GET",
"_COOKIE",
"_SERVER",
"_ENV",
"_FILES",
NULL
};
static int short_track_vars_names_length[] = {
sizeof("_POST"),
sizeof("_GET"),
sizeof("_COOKIE"),
sizeof("_SERVER"),
sizeof("_ENV"),
sizeof("_FILES")
};
#define NUM_TRACK_VARS (sizeof(short_track_vars_names_length)/sizeof(int))
#define SAFE_FILENAME(f) ((f)?(f):"-")
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnSetPrecision)
{
int i = atoi(new_value);
if (i >= 0) {
EG(precision) = i;
return SUCCESS;
} else {
return FAILURE;
}
}
/* }}} */
#if MEMORY_LIMIT
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnChangeMemoryLimit)
{
if (new_value) {
PG(memory_limit) = zend_atoi(new_value, new_value_length);
} else {
PG(memory_limit) = 1<<30; /* effectively, no limit */
}
return zend_set_memory_limit(PG(memory_limit));
}
/* }}} */
#endif
/* {{{ php_disable_functions
*/
static void php_disable_functions(TSRMLS_D)
{
char *s = NULL, *e;
if (!*(INI_STR("disable_functions"))) {
return;
}
/* Intentional one time memory leak on startup */
e = strdup(INI_STR("disable_functions"));
while (*e) {
switch (*e) {
case ' ':
case ',':
if (s) {
*e = '\0';
zend_disable_function(s, e-s TSRMLS_CC);
s = NULL;
}
break;
default:
if (!s) {
s = e;
}
break;
}
e++;
}
if (s) {
zend_disable_function(s, e-s TSRMLS_CC);
}
}
/* }}} */
/* {{{ php_disable_classes
*/
static void php_disable_classes(TSRMLS_D)
{
char *s = NULL, *e;
if (!*(INI_STR("disable_classes"))) {
return;
}
/* Intentional one time memory leak on startup */
e = strdup(INI_STR("disable_classes"));
while (*e) {
switch (*e) {
case ' ':
case ',':
if (s) {
*e = '\0';
zend_disable_class(s, e-s TSRMLS_CC);
s = NULL;
}
break;
default:
if (!s) {
s = e;
}
break;
}
e++;
}
if (s) {
zend_disable_class(s, e-s TSRMLS_CC);
}
}
/* }}} */
/* {{{ PHP_INI_MH
*/
static PHP_INI_MH(OnUpdateTimeout)
{
EG(timeout_seconds) = atoi(new_value);
if (stage==PHP_INI_STAGE_STARTUP) {
/* Don't set a timeout on startup, only per-request */
return SUCCESS;
}
zend_unset_timeout(TSRMLS_C);
zend_set_timeout(EG(timeout_seconds));
return SUCCESS;
}
/* }}} */
/* Need to convert to strings and make use of:
* PHP_SAFE_MODE
*
* Need to be read from the environment (?):
* PHP_AUTO_PREPEND_FILE
* PHP_AUTO_APPEND_FILE
* PHP_DOCUMENT_ROOT
* PHP_USER_DIR
* PHP_INCLUDE_PATH
*/
#ifndef PHP_SAFE_MODE_EXEC_DIR
# define PHP_SAFE_MODE_EXEC_DIR ""
#endif
#if defined(PHP_PROG_SENDMAIL) && !defined(NETWARE)
# define DEFAULT_SENDMAIL_PATH PHP_PROG_SENDMAIL " -t -i "
#else
# define DEFAULT_SENDMAIL_PATH NULL
#endif
/* {{{ PHP_INI
*/
PHP_INI_BEGIN()
PHP_INI_ENTRY_EX("define_syslog_variables", "0", PHP_INI_ALL, NULL, php_ini_boolean_displayer_cb)
PHP_INI_ENTRY_EX("highlight.bg", HL_BG_COLOR, PHP_INI_ALL, NULL, php_ini_color_displayer_cb)
PHP_INI_ENTRY_EX("highlight.comment", HL_COMMENT_COLOR, PHP_INI_ALL, NULL, php_ini_color_displayer_cb)
PHP_INI_ENTRY_EX("highlight.default", HL_DEFAULT_COLOR, PHP_INI_ALL, NULL, php_ini_color_displayer_cb)
PHP_INI_ENTRY_EX("highlight.html", HL_HTML_COLOR, PHP_INI_ALL, NULL, php_ini_color_displayer_cb)
PHP_INI_ENTRY_EX("highlight.keyword", HL_KEYWORD_COLOR, PHP_INI_ALL, NULL, php_ini_color_displayer_cb)
PHP_INI_ENTRY_EX("highlight.string", HL_STRING_COLOR, PHP_INI_ALL, NULL, php_ini_color_displayer_cb)
STD_PHP_INI_BOOLEAN("allow_call_time_pass_reference", "1", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool, allow_call_time_pass_reference, zend_compiler_globals, compiler_globals)
STD_PHP_INI_BOOLEAN("asp_tags", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool, asp_tags, zend_compiler_globals, compiler_globals)
STD_PHP_INI_BOOLEAN("display_errors", "1", PHP_INI_ALL, OnUpdateBool, display_errors, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("display_startup_errors", "0", PHP_INI_ALL, OnUpdateBool, display_startup_errors, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("enable_dl", "1", PHP_INI_SYSTEM, OnUpdateBool, enable_dl, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("expose_php", "1", PHP_INI_SYSTEM, OnUpdateBool, expose_php, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("docref_root", "", PHP_INI_ALL, OnUpdateString, docref_root, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("docref_ext", "", PHP_INI_ALL, OnUpdateString, docref_ext, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("html_errors", "1", PHP_INI_ALL, OnUpdateBool, html_errors, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("xmlrpc_errors", "0", PHP_INI_SYSTEM, OnUpdateBool, xmlrpc_errors, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("xmlrpc_error_number", "0", PHP_INI_ALL, OnUpdateInt, xmlrpc_error_number, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("max_input_time", "-1", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateInt, max_input_time, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("ignore_user_abort", "0", PHP_INI_ALL, OnUpdateBool, ignore_user_abort, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("implicit_flush", "0", PHP_INI_ALL, OnUpdateBool, implicit_flush, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("log_errors", "0", PHP_INI_ALL, OnUpdateBool, log_errors, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("log_errors_max_len", "1024", PHP_INI_ALL, OnUpdateInt, log_errors_max_len, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("ignore_repeated_errors", "0", PHP_INI_ALL, OnUpdateBool, ignore_repeated_errors, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("ignore_repeated_source", "0", PHP_INI_ALL, OnUpdateBool, ignore_repeated_source, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("report_memleaks", "1", PHP_INI_ALL, OnUpdateBool, report_memleaks, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("magic_quotes_gpc", "1", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateBool, magic_quotes_gpc, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("magic_quotes_runtime", "0", PHP_INI_ALL, OnUpdateBool, magic_quotes_runtime, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("magic_quotes_sybase", "0", PHP_INI_ALL, OnUpdateBool, magic_quotes_sybase, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("output_buffering", "0", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateInt, output_buffering, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("output_handler", NULL, PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateString, output_handler, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("register_argc_argv", "1", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateBool, register_argc_argv, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("register_globals", "0", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateBool, register_globals, php_core_globals, core_globals)
#if PHP_SAFE_MODE
STD_PHP_INI_BOOLEAN("safe_mode", "1", PHP_INI_SYSTEM, OnUpdateBool, safe_mode, php_core_globals, core_globals)
#else
STD_PHP_INI_BOOLEAN("safe_mode", "0", PHP_INI_SYSTEM, OnUpdateBool, safe_mode, php_core_globals, core_globals)
#endif
STD_PHP_INI_ENTRY("safe_mode_include_dir", NULL, PHP_INI_SYSTEM, OnUpdateString, safe_mode_include_dir, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("safe_mode_gid", "0", PHP_INI_SYSTEM, OnUpdateBool, safe_mode_gid, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("short_open_tag", DEFAULT_SHORT_OPEN_TAG, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool, short_tags, zend_compiler_globals, compiler_globals)
STD_PHP_INI_BOOLEAN("sql.safe_mode", "0", PHP_INI_SYSTEM, OnUpdateBool, sql_safe_mode, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("track_errors", "0", PHP_INI_ALL, OnUpdateBool, track_errors, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("y2k_compliance", "1", PHP_INI_ALL, OnUpdateBool, y2k_compliance, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("unserialize_callback_func", NULL, PHP_INI_ALL, OnUpdateString, unserialize_callback_func, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("serialize_precision", "100", PHP_INI_ALL, OnUpdateLongGEZero, serialize_precision, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("arg_separator.output", "&", PHP_INI_ALL, OnUpdateStringUnempty, arg_separator.output, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("arg_separator.input", "&", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateStringUnempty, arg_separator.input, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("auto_append_file", NULL, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateString, auto_append_file, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("auto_prepend_file", NULL, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateString, auto_prepend_file, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("doc_root", NULL, PHP_INI_SYSTEM, OnUpdateStringUnempty, doc_root, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("default_charset", SAPI_DEFAULT_CHARSET, PHP_INI_ALL, OnUpdateString, default_charset, sapi_globals_struct,sapi_globals)
STD_PHP_INI_ENTRY("default_mimetype", SAPI_DEFAULT_MIMETYPE, PHP_INI_ALL, OnUpdateString, default_mimetype, sapi_globals_struct,sapi_globals)
STD_PHP_INI_ENTRY("error_log", NULL, PHP_INI_ALL, OnUpdateString, error_log, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("extension_dir", PHP_EXTENSION_DIR, PHP_INI_SYSTEM, OnUpdateStringUnempty, extension_dir, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("gpc_order", "GPC", PHP_INI_ALL, OnUpdateStringUnempty, gpc_order, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("include_path", PHP_INCLUDE_PATH, PHP_INI_ALL, OnUpdateStringUnempty, include_path, php_core_globals, core_globals)
PHP_INI_ENTRY("max_execution_time", "30", PHP_INI_ALL, OnUpdateTimeout)
STD_PHP_INI_ENTRY("open_basedir", NULL, PHP_INI_SYSTEM, OnUpdateString, open_basedir, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("safe_mode_exec_dir", PHP_SAFE_MODE_EXEC_DIR, PHP_INI_SYSTEM, OnUpdateString, safe_mode_exec_dir, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("file_uploads", "1", PHP_INI_SYSTEM, OnUpdateBool, file_uploads, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("upload_max_filesize", "2M", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateInt, upload_max_filesize, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("post_max_size", "8M", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateInt, post_max_size, sapi_globals_struct,sapi_globals)
STD_PHP_INI_ENTRY("upload_tmp_dir", NULL, PHP_INI_SYSTEM, OnUpdateStringUnempty, upload_tmp_dir, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("max_input_nesting_level", "500", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLongGEZero, max_input_nesting_level, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("user_dir", NULL, PHP_INI_SYSTEM, OnUpdateString, user_dir, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("variables_order", NULL, PHP_INI_ALL, OnUpdateStringUnempty, variables_order, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("error_append_string", NULL, PHP_INI_ALL, OnUpdateString, error_append_string, php_core_globals, core_globals)
STD_PHP_INI_ENTRY("error_prepend_string", NULL, PHP_INI_ALL, OnUpdateString, error_prepend_string, php_core_globals, core_globals)
PHP_INI_ENTRY("SMTP", "localhost",PHP_INI_ALL, NULL)
PHP_INI_ENTRY("smtp_port", "25", PHP_INI_ALL, NULL)
PHP_INI_ENTRY("browscap", NULL, PHP_INI_SYSTEM, NULL)
#if MEMORY_LIMIT
PHP_INI_ENTRY("memory_limit", "8M", PHP_INI_ALL, OnChangeMemoryLimit)
#endif
PHP_INI_ENTRY("precision", "14", PHP_INI_ALL, OnSetPrecision)
PHP_INI_ENTRY("sendmail_from", NULL, PHP_INI_ALL, NULL)
PHP_INI_ENTRY("sendmail_path", DEFAULT_SENDMAIL_PATH, PHP_INI_SYSTEM, NULL)
PHP_INI_ENTRY("disable_functions", "", PHP_INI_SYSTEM, NULL)
PHP_INI_ENTRY("disable_classes", "", PHP_INI_SYSTEM, NULL)
STD_PHP_INI_BOOLEAN("allow_url_fopen", "1", PHP_INI_SYSTEM, OnUpdateBool, allow_url_fopen, php_core_globals, core_globals)
STD_PHP_INI_BOOLEAN("always_populate_raw_post_data", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool, always_populate_raw_post_data, php_core_globals, core_globals)
PHP_INI_END()
/* }}} */
/* True global (no need for thread safety */
static int module_initialized = 0;
/* {{{ php_log_err
*/
PHPAPI void php_log_err(char *log_message TSRMLS_DC)
{
FILE *log_file;
char error_time_str[128];
struct tm tmbuf;
time_t error_time;
/* Try to use the specified logging location. */
if (PG(error_log) != NULL) {
#ifdef HAVE_SYSLOG_H
if (!strcmp(PG(error_log), "syslog")) {
php_syslog(LOG_NOTICE, "%.500s", log_message);
return;
}
#endif
log_file = VCWD_FOPEN(PG(error_log), "ab");
if (log_file != NULL) {
time(&error_time);
strftime(error_time_str, sizeof(error_time_str), "%d-%b-%Y %H:%M:%S", php_localtime_r(&error_time, &tmbuf));
fprintf(log_file, "[%s] ", error_time_str);
fprintf(log_file, "%s", log_message);
fprintf(log_file, "%s", PHP_EOL);
fclose(log_file);
return;
}
}
/* Otherwise fall back to the default logging location, if we have one */
if (sapi_module.log_message) {
sapi_module.log_message(log_message);
}
}
/* }}} */
/* {{{ php_write
wrapper for modules to use PHPWRITE */
PHPAPI int php_write(void *buf, uint size TSRMLS_DC)
{
return PHPWRITE(buf, size);
}
/* }}} */
/* {{{ php_printf
*/
PHPAPI int php_printf(const char *format, ...)
{
va_list args;
int ret;
char *buffer;
int size;
TSRMLS_FETCH();
va_start(args, format);
size = vspprintf(&buffer, 0, format, args);
if (buffer) {
ret = PHPWRITE(buffer, size);
efree(buffer);
} else {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "Out of memory");
ret = 0;
}
va_end(args);
return ret;
}
/* }}} */
/* {{{ php_verror */
/* php_verror is called from php_error_docref<n> functions.
* Its purpose is to unify error messages and automatically generate clickable
* html error messages if correcponding ini setting (html_errors) is activated.
* See: CODING_STANDARDS for details.
*/
PHPAPI void php_verror(const char *docref, const char *params, int type, const char *format, va_list args TSRMLS_DC)
{
char *buffer = NULL, *docref_buf = NULL, *ref = NULL, *target = NULL;
char *docref_target = "", *docref_root = "";
char *function, *p;
int buffer_len = 0;
buffer_len = vspprintf(&buffer, 0, format, args);
if (buffer) {
if (PG(html_errors)) {
int len;
char *replace = php_escape_html_entities(buffer, buffer_len, &len, 0, ENT_COMPAT, NULL TSRMLS_CC);
efree(buffer);
buffer = replace;
buffer_len = len;
}
if (docref && docref[0] == '#') {
docref_target = strchr(docref, '#');
docref = NULL;
}
if (!docref) {
function = get_active_function_name(TSRMLS_C);
if (function) {
spprintf(&docref_buf, 0, "function.%s", function);
if (docref_buf) {
while((p=strchr(docref_buf, '_'))!=NULL) *p = '-';
docref = docref_buf;
}
}
}
if (docref) {
if (strncmp(docref, "http://", 7)) {
docref_root = PG(docref_root);
/* now check copy of extension */
ref = estrdup(docref);
if (ref) {
if (docref_buf) {
efree(docref_buf);
}
docref_buf = ref;
docref = docref_buf;
p = strrchr(ref, '#');
if (p) {
target = estrdup(p);
if (target) {
docref_target = target;
*p = '\0';
}
}
if ((!p || target) && PG(docref_ext) && strlen(PG(docref_ext))) {
spprintf(&docref_buf, 0, "%s%s", ref, PG(docref_ext));
if (docref_buf) {
efree(ref);
docref = docref_buf;
}
}
}
}
if (!PG(html_errors) && !strlen(PG(docref_root))) {
/* no docref and no html errors -> do not point to any documentation (e.g. production boxes) */
php_error(type, "%s(%s): %s", get_active_function_name(TSRMLS_C), params, buffer);
} else if (PG(html_errors)) {
int len;
char *replace = php_escape_html_entities((unsigned char *)params, strlen(params), &len, 0, ENT_COMPAT, NULL TSRMLS_CC);
php_error(type, "%s(%s) [<a href='%s%s%s'>%s</a>]: %s", get_active_function_name(TSRMLS_C), replace, docref_root, docref, docref_target, docref, buffer);
efree(replace);
} else {
php_error(type, "%s(%s) [%s%s%s]: %s", get_active_function_name(TSRMLS_C), params, docref_root, docref, docref_target, buffer);
}
if (target) {
efree(target);
}
} else {
docref = get_active_function_name(TSRMLS_C);
if (!docref)
docref = "Unknown";
php_error(type, "%s(%s): %s", docref, params, buffer);
}
if (PG(track_errors) && EG(active_symbol_table)) {
zval *tmp;
ALLOC_ZVAL(tmp);
INIT_PZVAL(tmp);
Z_STRVAL_P(tmp) = (char *) estrndup(buffer, buffer_len);
Z_STRLEN_P(tmp) = buffer_len;
Z_TYPE_P(tmp) = IS_STRING;
zend_hash_update(EG(active_symbol_table), "php_errormsg", sizeof("php_errormsg"), (void **) & tmp, sizeof(pval *), NULL);
}
efree(buffer);
if (docref_buf) {
efree(docref_buf);
}
} else {
php_error(E_ERROR, "%s(%s): Out of memory", get_active_function_name(TSRMLS_C), params);
}
}
/* }}} */
/* {{{ php_error_docref0 */
/* See: CODING_STANDARDS for details. */
PHPAPI void php_error_docref0(const char *docref TSRMLS_DC, int type, const char *format, ...)
{
va_list args;
va_start(args, format);
php_verror(docref, "", type, format, args TSRMLS_CC);
va_end(args);
}
/* }}} */
/* {{{ php_error_docref1 */
/* See: CODING_STANDARDS for details. */
PHPAPI void php_error_docref1(const char *docref TSRMLS_DC, const char *param1, int type, const char *format, ...)
{
va_list args;
va_start(args, format);
php_verror(docref, param1, type, format, args TSRMLS_CC);
va_end(args);
}
/* }}} */
/* {{{ php_error_docref2 */
/* See: CODING_STANDARDS for details. */
PHPAPI void php_error_docref2(const char *docref TSRMLS_DC, const char *param1, const char *param2, int type, const char *format, ...)
{
char *params;
va_list args;
spprintf(¶ms, 0, "%s,%s", param1, param2);
va_start(args, format);
php_verror(docref, params ? params : "...", type, format, args TSRMLS_CC);
va_end(args);
if (params)
efree(params);
}
/* }}} */
/* {{{ php_html_puts */
PHPAPI void php_html_puts(const char *str, uint size TSRMLS_DC)
{
zend_html_puts(str, size TSRMLS_CC);
}
/* }}} */
/* {{{ php_error_cb
extended error handling function */
static void php_error_cb(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args)
{
char *buffer;
int buffer_len, display;
TSRMLS_FETCH();
buffer_len = vspprintf(&buffer, PG(log_errors_max_len), format, args);
if (PG(ignore_repeated_errors)) {
if (strncmp(last_error.buf, buffer, sizeof(last_error.buf))
|| (!PG(ignore_repeated_source)
&& ((last_error.lineno != error_lineno)
|| strncmp(last_error.filename, error_filename, sizeof(last_error.filename))))) {
display = 1;
} else {
display = 0;
}
} else {
display = 1;
}
strlcpy(last_error.buf, buffer, sizeof(last_error.buf));
strlcpy(last_error.filename, error_filename, sizeof(last_error.filename));
last_error.lineno = error_lineno;
/* display/log the error if necessary */
if (display && (EG(error_reporting) & type || (type & E_CORE))
&& (PG(log_errors) || PG(display_errors) || (!module_initialized))) {
char *error_type_str;
switch (type) {
case E_ERROR:
case E_CORE_ERROR:
case E_COMPILE_ERROR:
case E_USER_ERROR:
error_type_str = "Fatal error";
break;
case E_WARNING:
case E_CORE_WARNING:
case E_COMPILE_WARNING:
case E_USER_WARNING:
error_type_str = "Warning";
break;
case E_PARSE:
error_type_str = "Parse error";
break;
case E_NOTICE:
case E_USER_NOTICE:
error_type_str = "Notice";
break;
default:
error_type_str = "Unknown error";
break;
}
if (!module_initialized || PG(log_errors)) {
char *log_buffer;
#ifdef PHP_WIN32
if ((type == E_CORE_ERROR || type == E_CORE_WARNING) && PG(display_startup_errors)) {
MessageBox(NULL, buffer, error_type_str, MB_OK|ZEND_SERVICE_MB_STYLE);
}
#endif
spprintf(&log_buffer, 0, "PHP %s: %s in %s on line %d", error_type_str, buffer, error_filename, error_lineno);
php_log_err(log_buffer TSRMLS_CC);
efree(log_buffer);
}
if (module_initialized && PG(display_errors)
&& (!PG(during_request_startup) || PG(display_startup_errors))) {
char *prepend_string = INI_STR("error_prepend_string");
char *append_string = INI_STR("error_append_string");
if (PG(html_errors)) {
if (type == E_ERROR) {
int len;
char *buf = php_escape_html_entities(buffer, buffer_len, &len, 0, ENT_COMPAT, NULL TSRMLS_CC);
php_printf("%s<br />\n<b>%s</b>: %s in <b>%s</b> on line <b>%d</b><br />\n%s", STR_PRINT(prepend_string), error_type_str, buf, error_filename, error_lineno, STR_PRINT(append_string));
efree(buf);
} else {
php_printf("%s<br />\n<b>%s</b>: %s in <b>%s</b> on line <b>%d</b><br />\n%s", STR_PRINT(prepend_string), error_type_str, buffer, error_filename, error_lineno, STR_PRINT(append_string));
}
} else {
php_printf("%s\n%s: %s in %s on line %d\n%s", STR_PRINT(prepend_string), error_type_str, buffer, error_filename, error_lineno, STR_PRINT(append_string));
}
}
#if ZEND_DEBUG
{
zend_bool trigger_break;
switch (type) {
case E_ERROR:
case E_CORE_ERROR:
case E_COMPILE_ERROR:
case E_USER_ERROR:
trigger_break=1;
break;
default:
trigger_break=0;
break;
}
/* zend_output_debug_string(trigger_break, "%s(%d) : %s - %s", error_filename, error_lineno, error_type_str, buffer); */
}
#endif
}
/* Bail out if we can't recover */
switch (type) {
case E_CORE_ERROR:
if(!module_initialized) {
/* bad error in module startup - no way we can live with this */
exit(-2);
}
/* no break - intentionally */
case E_ERROR:
/*case E_PARSE: the parser would return 1 (failure), we can bail out nicely */
case E_COMPILE_ERROR:
case E_USER_ERROR:
EG(exit_status) = 255;
if (module_initialized) {
#if MEMORY_LIMIT
/* restore memory limit */
AG(memory_limit) = PG(memory_limit);
#endif
efree(buffer);
zend_bailout();
return;
}
break;
}
/* Log if necessary */
if (!display) {
efree(buffer);
return;
}
if (PG(track_errors) && EG(active_symbol_table)) {
pval *tmp;
ALLOC_ZVAL(tmp);
INIT_PZVAL(tmp);
Z_STRVAL_P(tmp) = (char *) estrndup(buffer, buffer_len);
Z_STRLEN_P(tmp) = buffer_len;
Z_TYPE_P(tmp) = IS_STRING;
zend_hash_update(EG(active_symbol_table), "php_errormsg", sizeof("php_errormsg"), (void **) & tmp, sizeof(pval *), NULL);
}
efree(buffer);
}
/* }}} */
/* {{{ proto bool set_time_limit(int seconds)
Sets the maximum time a script can run */
PHP_FUNCTION(set_time_limit)
{
zval **new_timeout;
if (PG(safe_mode)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot set time limit in safe mode");
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &new_timeout) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(new_timeout);
if (zend_alter_ini_entry("max_execution_time", sizeof("max_execution_time"), Z_STRVAL_PP(new_timeout), Z_STRLEN_PP(new_timeout), PHP_INI_USER, PHP_INI_STAGE_RUNTIME) == SUCCESS) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ php_fopen_wrapper_for_zend
*/
static FILE *php_fopen_wrapper_for_zend(const char *filename, char **opened_path)
{
TSRMLS_FETCH();
return php_stream_open_wrapper_as_file((char *)filename, "rb", ENFORCE_SAFE_MODE|USE_PATH|IGNORE_URL_WIN|REPORT_ERRORS|STREAM_OPEN_FOR_INCLUDE, opened_path);
}
/* }}} */
/* {{{ php_open_wrapper_for_zend
*/
static zend_bool php_open_wrapper_for_zend(const char *filename, struct _zend_file_handle *fh)
{
TSRMLS_FETCH();
return php_stream_open_wrapper_as_file_handle((char *)filename, "rb", ENFORCE_SAFE_MODE|USE_PATH|IGNORE_URL_WIN|REPORT_ERRORS|STREAM_OPEN_FOR_INCLUDE, fh);
}
/* }}} */
/* {{{ php_get_configuration_directive_for_zend
*/
static int php_get_configuration_directive_for_zend(char *name, uint name_length, zval *contents)
{
zval *retval = cfg_get_entry(name, name_length);
if (retval) {
*contents = *retval;
return SUCCESS;
} else {
return FAILURE;
}
}
/* }}} */
/* {{{ php_message_handler_for_zend
*/
static void php_message_handler_for_zend(long message, void *data)
{
switch (message) {
case ZMSG_FAILED_INCLUDE_FOPEN: {
TSRMLS_FETCH();
php_error_docref("function.include" TSRMLS_CC, E_WARNING, "Failed opening '%s' for inclusion (include_path='%s')", php_strip_url_passwd((char *) data), STR_PRINT(PG(include_path)));
}
break;
case ZMSG_FAILED_REQUIRE_FOPEN: {
TSRMLS_FETCH();
php_error_docref("function.require" TSRMLS_CC, E_COMPILE_ERROR, "Failed opening required '%s' (include_path='%s')", php_strip_url_passwd((char *) data), STR_PRINT(PG(include_path)));
}
break;
case ZMSG_FAILED_HIGHLIGHT_FOPEN: {
TSRMLS_FETCH();
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed opening '%s' for highlighting", php_strip_url_passwd((char *) data));
}
break;
case ZMSG_MEMORY_LEAK_DETECTED:
case ZMSG_MEMORY_LEAK_REPEATED: {
TSRMLS_FETCH();
if ((EG(error_reporting)&E_WARNING) && PG(report_memleaks)) {
#if ZEND_DEBUG
char memory_leak_buf[1024];
if (message==ZMSG_MEMORY_LEAK_DETECTED) {
zend_mem_header *t = (zend_mem_header *) data;
void *ptr = (void *)((char *)t+sizeof(zend_mem_header)+MEM_HEADER_PADDING);
snprintf(memory_leak_buf, 512, "%s(%d) : Freeing 0x%.8lX (%d bytes), script=%s\n", t->filename, t->lineno, (unsigned long)ptr, t->size, SAFE_FILENAME(SG(request_info).path_translated));
if (t->orig_filename) {
char relay_buf[512];
snprintf(relay_buf, 512, "%s(%d) : Actual location (location was relayed)\n", t->orig_filename, t->orig_lineno);
strlcat(memory_leak_buf, relay_buf, sizeof(memory_leak_buf));
}
} else {
unsigned long leak_count = (unsigned long) data;
snprintf(memory_leak_buf, 512, "Last leak repeated %ld time%s\n", leak_count, (leak_count>1?"s":""));
}
# if defined(PHP_WIN32)
OutputDebugString(memory_leak_buf);
# else
fprintf(stderr, "%s", memory_leak_buf);
# endif
#endif
}
}
break;
case ZMSG_LOG_SCRIPT_NAME: {
struct tm *ta, tmbuf;
time_t curtime;
char *datetime_str, asctimebuf[52];
TSRMLS_FETCH();
time(&curtime);
ta = php_localtime_r(&curtime, &tmbuf);
datetime_str = php_asctime_r(ta, asctimebuf);
datetime_str[strlen(datetime_str)-1]=0; /* get rid of the trailing newline */
fprintf(stderr, "[%s] Script: '%s'\n", datetime_str, SAFE_FILENAME(SG(request_info).path_translated));
}
break;
}
}
/* }}} */
void php_on_timeout(int seconds TSRMLS_DC)
{
PG(connection_status) |= PHP_CONNECTION_TIMEOUT;
zend_set_timeout(EG(timeout_seconds));
}
#if PHP_SIGCHILD
/* {{{ sigchld_handler
*/
static void sigchld_handler(int apar)
{
while (waitpid(-1, NULL, WNOHANG) > 0);
signal(SIGCHLD, sigchld_handler);
}
/* }}} */
#endif
static int php_hash_environment(TSRMLS_D);
/* {{{ php_request_startup
*/
int php_request_startup(TSRMLS_D)
{
int retval = SUCCESS;
#ifdef PHP_WIN32
CoInitialize(NULL);
#endif
#if PHP_SIGCHILD
signal(SIGCHLD, sigchld_handler);
#endif
zend_try {
PG(during_request_startup) = 1;
php_output_activate(TSRMLS_C);
/* initialize global variables */
PG(modules_activated) = 0;
PG(header_is_being_sent) = 0;
PG(connection_status) = PHP_CONNECTION_NORMAL;
zend_activate(TSRMLS_C);
sapi_activate(TSRMLS_C);
if (PG(max_input_time) == -1) {
zend_set_timeout(EG(timeout_seconds));
} else {
zend_set_timeout(PG(max_input_time));
}
if (PG(expose_php)) {
sapi_add_header(SAPI_PHP_VERSION_HEADER, sizeof(SAPI_PHP_VERSION_HEADER)-1, 1);
}
if (PG(output_handler) && PG(output_handler)[0]) {
php_start_ob_buffer_named(PG(output_handler), 0, 1 TSRMLS_CC);
} else if (PG(output_buffering)) {
if (PG(output_buffering)>1) {
php_start_ob_buffer(NULL, PG(output_buffering), 1 TSRMLS_CC);
} else {
php_start_ob_buffer(NULL, 0, 1 TSRMLS_CC);
}
} else if (PG(implicit_flush)) {
php_start_implicit_flush(TSRMLS_C);
}
/* We turn this off in php_execute_script() */
/* PG(during_request_startup) = 0; */
php_hash_environment(TSRMLS_C);
zend_activate_modules(TSRMLS_C);
PG(modules_activated)=1;
} zend_catch {
retval = FAILURE;
} zend_end_try();
return retval;
}
/* }}} */
/* {{{ php_request_shutdown_for_exec
*/
void php_request_shutdown_for_exec(void *dummy)
{
TSRMLS_FETCH();
/* used to close fd's in the 3..255 range here, but it's problematic
*/
shutdown_memory_manager(1, 1 TSRMLS_CC);
}
/* }}} */
/* {{{ php_request_shutdown
*/
void php_request_shutdown(void *dummy)
{
TSRMLS_FETCH();
/* EG(opline_ptr) points into nirvana and therefore cannot be safely accessed
inside zend_executor callback functions. */
EG(opline_ptr) = NULL;
zend_try {
php_end_ob_buffers((zend_bool)(SG(request_info).headers_only?0:1) TSRMLS_CC);
} zend_end_try();
zend_try {
sapi_send_headers(TSRMLS_C);
} zend_end_try();
if (PG(modules_activated)) zend_try {
php_call_shutdown_functions(TSRMLS_C);
} zend_end_try();
if (PG(modules_activated)) {
zend_deactivate_modules(TSRMLS_C);
php_free_shutdown_functions(TSRMLS_C);
}
zend_try {
int i;
for (i=0; i<NUM_TRACK_VARS; i++) {
if (PG(http_globals)[i]) {
zval_ptr_dtor(&PG(http_globals)[i]);
}