forked from php/php-src
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathphpdbg.c
1349 lines (1133 loc) · 34.4 KB
/
phpdbg.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) 1997-2014 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Felipe Pena <[email protected]> |
| Authors: Joe Watkins <[email protected]> |
| Authors: Bob Weinand <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_SIGNALS
# include <signal.h>
#endif
#include "phpdbg.h"
#include "phpdbg_prompt.h"
#include "phpdbg_bp.h"
#include "phpdbg_break.h"
#include "phpdbg_list.h"
#include "phpdbg_utils.h"
#include "phpdbg_set.h"
/* {{{ remote console headers */
#ifndef _WIN32
# include <sys/socket.h>
# include <sys/select.h>
# include <sys/time.h>
# include <sys/types.h>
# include <netinet/in.h>
# include <unistd.h>
# include <arpa/inet.h>
#endif /* }}} */
ZEND_DECLARE_MODULE_GLOBALS(phpdbg);
static zend_bool phpdbg_booted = 0;
#if PHP_VERSION_ID >= 50500
void (*zend_execute_old)(zend_execute_data *execute_data TSRMLS_DC);
#else
void (*zend_execute_old)(zend_op_array *op_array TSRMLS_DC);
#endif
static inline void php_phpdbg_globals_ctor(zend_phpdbg_globals *pg) /* {{{ */
{
pg->prompt[0] = NULL;
pg->prompt[1] = NULL;
pg->colors[0] = NULL;
pg->colors[1] = NULL;
pg->colors[2] = NULL;
pg->exec = NULL;
pg->exec_len = 0;
pg->ops = NULL;
pg->vmret = 0;
pg->bp_count = 0;
pg->lcmd = NULL;
pg->flags = PHPDBG_DEFAULT_FLAGS;
pg->oplog = NULL;
pg->io[PHPDBG_STDIN] = NULL;
pg->io[PHPDBG_STDOUT] = NULL;
pg->io[PHPDBG_STDERR] = NULL;
memset(&pg->lparam, 0, sizeof(phpdbg_param_t));
pg->frame.num = 0;
} /* }}} */
static PHP_MINIT_FUNCTION(phpdbg) /* {{{ */
{
ZEND_INIT_MODULE_GLOBALS(phpdbg, php_phpdbg_globals_ctor, NULL);
#if PHP_VERSION_ID >= 50500
zend_execute_old = zend_execute_ex;
zend_execute_ex = phpdbg_execute_ex;
#else
zend_execute_old = zend_execute;
zend_execute = phpdbg_execute_ex;
#endif
REGISTER_STRINGL_CONSTANT("PHPDBG_VERSION", PHPDBG_VERSION, sizeof(PHPDBG_VERSION)-1, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PHPDBG_FILE", FILE_PARAM, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PHPDBG_METHOD", METHOD_PARAM, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PHPDBG_LINENO", NUMERIC_PARAM, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PHPDBG_FUNC", STR_PARAM, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PHPDBG_COLOR_PROMPT", PHPDBG_COLOR_PROMPT, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PHPDBG_COLOR_NOTICE", PHPDBG_COLOR_NOTICE, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PHPDBG_COLOR_ERROR", PHPDBG_COLOR_ERROR, CONST_CS|CONST_PERSISTENT);
return SUCCESS;
} /* }}} */
static void php_phpdbg_destroy_bp_file(void *brake) /* {{{ */
{
zend_hash_destroy((HashTable*)brake);
} /* }}} */
static void php_phpdbg_destroy_bp_symbol(void *brake) /* {{{ */
{
efree((char*)((phpdbg_breaksymbol_t*)brake)->symbol);
} /* }}} */
static void php_phpdbg_destroy_bp_opcode(void *brake) /* {{{ */
{
efree((char*)((phpdbg_breakop_t*)brake)->name);
} /* }}} */
static void php_phpdbg_destroy_bp_methods(void *brake) /* {{{ */
{
zend_hash_destroy((HashTable*)brake);
} /* }}} */
static void php_phpdbg_destroy_bp_condition(void *data) /* {{{ */
{
phpdbg_breakcond_t *brake = (phpdbg_breakcond_t*) data;
if (brake) {
if (brake->ops) {
TSRMLS_FETCH();
destroy_op_array(
brake->ops TSRMLS_CC);
efree(brake->ops);
}
efree((char*)brake->code);
}
} /* }}} */
static void php_phpdbg_destroy_registered(void *data) /* {{{ */
{
zend_function *function = (zend_function*) data;
TSRMLS_FETCH();
destroy_zend_function(
function TSRMLS_CC);
} /* }}} */
static PHP_RINIT_FUNCTION(phpdbg) /* {{{ */
{
zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE], 8, NULL, php_phpdbg_destroy_bp_file, 0);
zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM], 8, NULL, php_phpdbg_destroy_bp_symbol, 0);
zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE], 8, NULL, php_phpdbg_destroy_bp_methods, 0);
zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE], 8, NULL, php_phpdbg_destroy_bp_methods, 0);
zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE], 8, NULL, php_phpdbg_destroy_bp_methods, 0);
zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], 8, NULL, NULL, 0);
zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE], 8, NULL, php_phpdbg_destroy_bp_opcode, 0);
zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD], 8, NULL, php_phpdbg_destroy_bp_methods, 0);
zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_COND], 8, NULL, php_phpdbg_destroy_bp_condition, 0);
zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP], 8, NULL, NULL, 0);
zend_hash_init(&PHPDBG_G(seek), 8, NULL, NULL, 0);
zend_hash_init(&PHPDBG_G(registered), 8, NULL, php_phpdbg_destroy_registered, 0);
return SUCCESS;
} /* }}} */
static PHP_RSHUTDOWN_FUNCTION(phpdbg) /* {{{ */
{
zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE]);
zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM]);
zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE]);
zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE]);
zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE]);
zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE]);
zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE]);
zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD]);
zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_COND]);
zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP]);
zend_hash_destroy(&PHPDBG_G(seek));
zend_hash_destroy(&PHPDBG_G(registered));
if (PHPDBG_G(exec)) {
efree(PHPDBG_G(exec));
PHPDBG_G(exec) = NULL;
}
if (PHPDBG_G(prompt)[0]) {
free(PHPDBG_G(prompt)[0]);
}
if (PHPDBG_G(prompt)[1]) {
free(PHPDBG_G(prompt)[1]);
}
PHPDBG_G(prompt)[0] = NULL;
PHPDBG_G(prompt)[1] = NULL;
if (PHPDBG_G(oplog)) {
fclose(
PHPDBG_G(oplog));
PHPDBG_G(oplog) = NULL;
}
if (PHPDBG_G(ops)) {
destroy_op_array(PHPDBG_G(ops) TSRMLS_CC);
efree(PHPDBG_G(ops));
PHPDBG_G(ops) = NULL;
}
return SUCCESS;
} /* }}} */
/* {{{ proto mixed phpdbg_exec(string context)
Attempt to set the execution context for phpdbg
If the execution context was set previously it is returned
If the execution context was not set previously boolean true is returned
If the request to set the context fails, boolean false is returned, and an E_WARNING raised */
static PHP_FUNCTION(phpdbg_exec)
{
char *exec = NULL;
zend_ulong exec_len = 0L;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &exec, &exec_len) == FAILURE) {
return;
}
{
struct stat sb;
zend_bool result = 1;
if (VCWD_STAT(exec, &sb) != FAILURE) {
if (sb.st_mode & (S_IFREG|S_IFLNK)) {
if (PHPDBG_G(exec)) {
ZVAL_STRINGL(return_value, PHPDBG_G(exec), PHPDBG_G(exec_len), 1);
efree(PHPDBG_G(exec));
result = 0;
}
PHPDBG_G(exec) = estrndup(exec, exec_len);
PHPDBG_G(exec_len) = exec_len;
if (result)
ZVAL_BOOL(return_value, 1);
} else {
zend_error(
E_WARNING, "Failed to set execution context (%s), not a regular file or symlink", exec);
ZVAL_BOOL(return_value, 0);
}
} else {
zend_error(
E_WARNING, "Failed to set execution context (%s) the file does not exist", exec);
ZVAL_BOOL(return_value, 0);
}
}
} /* }}} */
/* {{{ proto void phpdbg_break([integer type, string expression])
instructs phpdbg to insert a breakpoint at the next opcode */
static PHP_FUNCTION(phpdbg_break)
{
if (ZEND_NUM_ARGS() > 0) {
long type;
char *expr = NULL;
zend_uint expr_len = 0;
phpdbg_param_t param;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls", &type, &expr, &expr_len) == FAILURE) {
return;
}
phpdbg_parse_param(expr, expr_len, ¶m TSRMLS_CC);
switch (type) {
case METHOD_PARAM:
phpdbg_do_break_method(¶m, NULL TSRMLS_CC);
break;
case FILE_PARAM:
phpdbg_do_break_file(¶m, NULL TSRMLS_CC);
break;
case NUMERIC_PARAM:
phpdbg_do_break_lineno(¶m, NULL TSRMLS_CC);
break;
case STR_PARAM:
phpdbg_do_break_func(¶m, NULL TSRMLS_CC);
break;
default: zend_error(
E_WARNING, "unrecognized parameter type %ld", type);
}
phpdbg_clear_param(¶m TSRMLS_CC);
} else if (EG(current_execute_data) && EG(active_op_array)) {
zend_ulong opline_num = (EG(current_execute_data)->opline -
EG(active_op_array)->opcodes);
phpdbg_set_breakpoint_opline_ex(
&EG(active_op_array)->opcodes[opline_num+1] TSRMLS_CC);
}
} /* }}} */
/* {{{ proto void phpdbg_clear(void)
instructs phpdbg to clear breakpoints */
static PHP_FUNCTION(phpdbg_clear)
{
zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE]);
zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM]);
zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE]);
zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE]);
zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE]);
zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE]);
zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD]);
zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_COND]);
} /* }}} */
/* {{{ proto void phpdbg_color(integer element, string color) */
static PHP_FUNCTION(phpdbg_color)
{
long element;
char *color;
zend_uint color_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls", &element, &color, &color_len) == FAILURE) {
return;
}
switch (element) {
case PHPDBG_COLOR_NOTICE:
case PHPDBG_COLOR_ERROR:
case PHPDBG_COLOR_PROMPT:
phpdbg_set_color_ex(element, color, color_len TSRMLS_CC);
break;
default: zend_error(E_ERROR, "phpdbg detected an incorrect color constant");
}
} /* }}} */
/* {{{ proto void phpdbg_prompt(string prompt) */
static PHP_FUNCTION(phpdbg_prompt)
{
char *prompt;
zend_uint prompt_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &prompt, &prompt_len) == FAILURE) {
return;
}
phpdbg_set_prompt(prompt TSRMLS_CC);
} /* }}} */
ZEND_BEGIN_ARG_INFO_EX(phpdbg_break_arginfo, 0, 0, 0)
ZEND_ARG_INFO(0, type)
ZEND_ARG_INFO(0, expression)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(phpdbg_color_arginfo, 0, 0, 0)
ZEND_ARG_INFO(0, element)
ZEND_ARG_INFO(0, color)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(phpdbg_prompt_arginfo, 0, 0, 0)
ZEND_ARG_INFO(0, string)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(phpdbg_exec_arginfo, 0, 0, 0)
ZEND_ARG_INFO(0, context)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(phpdbg_clear_arginfo, 0, 0, 0)
ZEND_END_ARG_INFO()
zend_function_entry phpdbg_user_functions[] = {
PHP_FE(phpdbg_clear, phpdbg_clear_arginfo)
PHP_FE(phpdbg_break, phpdbg_break_arginfo)
PHP_FE(phpdbg_exec, phpdbg_exec_arginfo)
PHP_FE(phpdbg_color, phpdbg_color_arginfo)
PHP_FE(phpdbg_prompt, phpdbg_prompt_arginfo)
#ifdef PHP_FE_END
PHP_FE_END
#else
{NULL,NULL,NULL}
#endif
};
static zend_module_entry sapi_phpdbg_module_entry = {
STANDARD_MODULE_HEADER,
PHPDBG_NAME,
phpdbg_user_functions,
PHP_MINIT(phpdbg),
NULL,
PHP_RINIT(phpdbg),
PHP_RSHUTDOWN(phpdbg),
NULL,
PHPDBG_VERSION,
STANDARD_MODULE_PROPERTIES
};
static inline int php_sapi_phpdbg_module_startup(sapi_module_struct *module) /* {{{ */
{
if (php_module_startup(module, &sapi_phpdbg_module_entry, 1) == FAILURE) {
return FAILURE;
}
phpdbg_booted=1;
return SUCCESS;
} /* }}} */
static char* php_sapi_phpdbg_read_cookies(TSRMLS_D) /* {{{ */
{
return NULL;
} /* }}} */
static int php_sapi_phpdbg_header_handler(sapi_header_struct *h, sapi_header_op_enum op, sapi_headers_struct *s TSRMLS_DC) /* {{{ */
{
return 0;
}
/* }}} */
static int php_sapi_phpdbg_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC) /* {{{ */
{
/* We do nothing here, this function is needed to prevent that the fallback
* header handling is called. */
return SAPI_HEADER_SENT_SUCCESSFULLY;
}
/* }}} */
static void php_sapi_phpdbg_send_header(sapi_header_struct *sapi_header, void *server_context TSRMLS_DC) /* {{{ */
{
}
/* }}} */
static void php_sapi_phpdbg_log_message(char *message TSRMLS_DC) /* {{{ */
{
/*
* We must not request TSRM before being boot
*/
if (phpdbg_booted) {
phpdbg_error("%s", message);
switch (PG(last_error_type)) {
case E_ERROR:
case E_CORE_ERROR:
case E_COMPILE_ERROR:
case E_USER_ERROR:
case E_PARSE:
case E_RECOVERABLE_ERROR:
if (!(PHPDBG_G(flags) & PHPDBG_IN_EVAL)) {
phpdbg_list_file(
zend_get_executed_filename(TSRMLS_C),
3,
zend_get_executed_lineno(TSRMLS_C)-1,
zend_get_executed_lineno(TSRMLS_C)
TSRMLS_CC
);
}
do {
switch (phpdbg_interactive(TSRMLS_C)) {
case PHPDBG_LEAVE:
case PHPDBG_FINISH:
case PHPDBG_UNTIL:
case PHPDBG_NEXT:
return;
}
} while (!(PHPDBG_G(flags) & PHPDBG_IS_QUITTING));
}
} else fprintf(stdout, "%s\n", message);
}
/* }}} */
static int php_sapi_phpdbg_deactivate(TSRMLS_D) /* {{{ */
{
fflush(stdout);
if(SG(request_info).argv0) {
free(SG(request_info).argv0);
SG(request_info).argv0 = NULL;
}
return SUCCESS;
}
/* }}} */
static void php_sapi_phpdbg_register_vars(zval *track_vars_array TSRMLS_DC) /* {{{ */
{
unsigned int len;
char *docroot = "";
/* In phpdbg mode, we consider the environment to be a part of the server variables
*/
php_import_environment_variables(track_vars_array TSRMLS_CC);
if (PHPDBG_G(exec)) {
len = PHPDBG_G(exec_len);
if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF",
&PHPDBG_G(exec), PHPDBG_G(exec_len), &len TSRMLS_CC)) {
php_register_variable("PHP_SELF", PHPDBG_G(exec),
track_vars_array TSRMLS_CC);
}
if (sapi_module.input_filter(PARSE_SERVER, "SCRIPT_NAME",
&PHPDBG_G(exec), PHPDBG_G(exec_len), &len TSRMLS_CC)) {
php_register_variable("SCRIPT_NAME", PHPDBG_G(exec),
track_vars_array TSRMLS_CC);
}
if (sapi_module.input_filter(PARSE_SERVER, "SCRIPT_FILENAME",
&PHPDBG_G(exec), PHPDBG_G(exec_len), &len TSRMLS_CC)) {
php_register_variable("SCRIPT_FILENAME", PHPDBG_G(exec),
track_vars_array TSRMLS_CC);
}
if (sapi_module.input_filter(PARSE_SERVER, "PATH_TRANSLATED",
&PHPDBG_G(exec), PHPDBG_G(exec_len), &len TSRMLS_CC)) {
php_register_variable("PATH_TRANSLATED", PHPDBG_G(exec),
track_vars_array TSRMLS_CC);
}
}
/* any old docroot will doo */
len = 0U;
if (sapi_module.input_filter(PARSE_SERVER, "DOCUMENT_ROOT",
&docroot, len, &len TSRMLS_CC)) {
php_register_variable("DOCUMENT_ROOT", docroot, track_vars_array TSRMLS_CC);
}
}
/* }}} */
static inline int php_sapi_phpdbg_ub_write(const char *message, unsigned int length TSRMLS_DC) /* {{{ */
{
return phpdbg_write("%s", message);
} /* }}} */
#if PHP_VERSION_ID >= 50700
static inline void php_sapi_phpdbg_flush(void *context TSRMLS_DC) /* {{{ */
{
#else
static inline void php_sapi_phpdbg_flush(void *context) /* {{{ */
{
TSRMLS_FETCH();
#endif
fflush(PHPDBG_G(io)[PHPDBG_STDOUT]);
} /* }}} */
/* {{{ sapi_module_struct phpdbg_sapi_module
*/
static sapi_module_struct phpdbg_sapi_module = {
"phpdbg", /* name */
"phpdbg", /* pretty name */
php_sapi_phpdbg_module_startup, /* startup */
php_module_shutdown_wrapper, /* shutdown */
NULL, /* activate */
php_sapi_phpdbg_deactivate, /* deactivate */
php_sapi_phpdbg_ub_write, /* unbuffered write */
php_sapi_phpdbg_flush, /* flush */
NULL, /* get uid */
NULL, /* getenv */
php_error, /* error handler */
php_sapi_phpdbg_header_handler, /* header handler */
php_sapi_phpdbg_send_headers, /* send headers handler */
php_sapi_phpdbg_send_header, /* send header handler */
NULL, /* read POST data */
php_sapi_phpdbg_read_cookies, /* read Cookies */
php_sapi_phpdbg_register_vars, /* register server variables */
php_sapi_phpdbg_log_message, /* Log message */
NULL, /* Get request time */
NULL, /* Child terminate */
STANDARD_SAPI_MODULE_PROPERTIES
};
/* }}} */
const opt_struct OPTIONS[] = { /* {{{ */
{'c', 1, "ini path override"},
{'d', 1, "define ini entry on command line"},
{'n', 0, "no php.ini"},
{'z', 1, "load zend_extension"},
/* phpdbg options */
{'q', 0, "no banner"},
{'e', 1, "exec"},
{'v', 0, "disable quietness"},
{'s', 0, "enable stepping"},
{'b', 0, "boring colours"},
{'i', 1, "specify init"},
{'I', 0, "ignore init"},
{'O', 1, "opline log"},
{'r', 0, "run"},
{'E', 0, "step-through-eval"},
{'S', 1, "sapi-name"},
#ifndef _WIN32
{'l', 1, "listen"},
{'a', 1, "address-or-any"},
#endif
{'V', 0, "version"},
{'-', 0, NULL}
}; /* }}} */
const char phpdbg_ini_hardcoded[] =
"html_errors=Off\n"
"register_argc_argv=On\n"
"implicit_flush=On\n"
"display_errors=Off\n"
"log_errors=On\n"
"max_execution_time=0\n"
"max_input_time=-1\n"
"error_log=\n\0";
/* overwriteable ini defaults must be set in phpdbg_ini_defaults() */
#define INI_DEFAULT(name, value) \
Z_SET_REFCOUNT(tmp, 0); \
Z_UNSET_ISREF(tmp); \
ZVAL_STRINGL(&tmp, zend_strndup(value, sizeof(value)-1), sizeof(value)-1, 0); \
zend_hash_update(configuration_hash, name, sizeof(name), &tmp, sizeof(zval), NULL);
void phpdbg_ini_defaults(HashTable *configuration_hash) /* {{{ */
{
zval tmp;
INI_DEFAULT("report_zend_debug", "0");
} /* }}} */
static void phpdbg_welcome(zend_bool cleaning TSRMLS_DC) /* {{{ */
{
/* print blurb */
if (!cleaning) {
phpdbg_notice("Welcome to phpdbg, the interactive PHP debugger, v%s",
PHPDBG_VERSION);
phpdbg_writeln("To get help using phpdbg type \"help\" and press enter");
phpdbg_notice("Please report bugs to <%s>", PHPDBG_ISSUES);
} else {
phpdbg_notice("Clean Execution Environment");
phpdbg_writeln("Classes\t\t\t%d", zend_hash_num_elements(EG(class_table)));
phpdbg_writeln("Functions\t\t%d", zend_hash_num_elements(EG(function_table)));
phpdbg_writeln("Constants\t\t%d", zend_hash_num_elements(EG(zend_constants)));
phpdbg_writeln("Includes\t\t%d", zend_hash_num_elements(&EG(included_files)));
}
} /* }}} */
static inline void phpdbg_sigint_handler(int signo) /* {{{ */
{
TSRMLS_FETCH();
if (EG(in_execution)) {
/* set signalled only when not interactive */
if (!(PHPDBG_G(flags) & PHPDBG_IS_INTERACTIVE)) {
PHPDBG_G(flags) |= PHPDBG_IS_SIGNALED;
}
} else {
/* we quit remote consoles on recv SIGINT */
if (PHPDBG_G(flags) & PHPDBG_IS_REMOTE) {
PHPDBG_G(flags) |= PHPDBG_IS_QUITTING;
zend_bailout();
}
}
} /* }}} */
#ifndef _WIN32
int phpdbg_open_socket(const char *interface, short port) /* {{{ */
{
int fd = socket(AF_INET, SOCK_STREAM, 0);
switch (fd) {
case -1:
return -1;
default: {
int reuse = 1;
switch (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char*) &reuse, sizeof(reuse))) {
case -1:
close(fd);
return -2;
default: {
struct sockaddr_in address;
memset(&address, 0, sizeof(address));
address.sin_port = htons(port);
address.sin_family = AF_INET;
if ((*interface == '*')) {
address.sin_addr.s_addr = htonl(INADDR_ANY);
} else if (!inet_pton(AF_INET, interface, &address.sin_addr)) {
close(fd);
return -3;
}
switch (bind(fd, (struct sockaddr *)&address, sizeof(address))) {
case -1:
close(fd);
return -4;
default: {
listen(fd, 5);
}
}
}
}
}
}
return fd;
} /* }}} */
static inline void phpdbg_close_sockets(int (*socket)[2], FILE *streams[2]) /* {{{ */
{
if ((*socket)[0] >= 0) {
shutdown(
(*socket)[0], SHUT_RDWR);
close((*socket)[0]);
}
if (streams[0]) {
fclose(streams[0]);
}
if ((*socket)[1] >= 0) {
shutdown(
(*socket)[1], SHUT_RDWR);
close((*socket)[1]);
}
if (streams[1]) {
fclose(streams[1]);
}
} /* }}} */
/* don't inline this, want to debug it easily, will inline when done */
int phpdbg_open_sockets(char *address, int port[2], int (*listen)[2], int (*socket)[2], FILE* streams[2]) /* {{{ */
{
if (((*listen)[0]) < 0 && ((*listen)[1]) < 0) {
((*listen)[0]) = phpdbg_open_socket(address, (short)port[0]);
((*listen)[1]) = phpdbg_open_socket(address, (short)port[1]);
}
streams[0] = NULL;
streams[1] = NULL;
if ((*listen)[0] < 0 || (*listen)[1] < 0) {
if ((*listen)[0] < 0) {
phpdbg_rlog(stderr,
"console failed to initialize (stdin) on %s:%d", address, port[0]);
}
if ((*listen)[1] < 0) {
phpdbg_rlog(stderr,
"console failed to initialize (stdout) on %s:%d", address, port[1]);
}
if ((*listen)[0] >= 0) {
close((*listen)[0]);
}
if ((*listen)[1] >= 0) {
close((*listen)[1]);
}
return FAILURE;
}
phpdbg_close_sockets(socket, streams);
phpdbg_rlog(stderr,
"accepting connections on %s:%d/%d", address, port[0], port[1]);
{
struct sockaddr_in address;
socklen_t size = sizeof(address);
char buffer[20] = {0};
{
memset(&address, 0, size);
(*socket)[0] = accept(
(*listen)[0], (struct sockaddr *) &address, &size);
inet_ntop(AF_INET, &address.sin_addr, buffer, sizeof(buffer));
phpdbg_rlog(stderr, "connection (stdin) from %s", buffer);
}
{
memset(&address, 0, size);
(*socket)[1] = accept(
(*listen)[1], (struct sockaddr *) &address, &size);
inet_ntop(AF_INET, &address.sin_addr, buffer, sizeof(buffer));
phpdbg_rlog(stderr, "connection (stdout) from %s", buffer);
}
}
dup2((*socket)[0], fileno(stdin));
dup2((*socket)[1], fileno(stdout));
setbuf(stdout, NULL);
streams[0] = fdopen((*socket)[0], "r");
streams[1] = fdopen((*socket)[1], "w");
return SUCCESS;
} /* }}} */
#endif
int main(int argc, char **argv) /* {{{ */
{
sapi_module_struct *phpdbg = &phpdbg_sapi_module;
char *sapi_name;
char *ini_entries;
int ini_entries_len;
char **zend_extensions = NULL;
zend_ulong zend_extensions_len = 0L;
zend_bool ini_ignore;
char *ini_override;
char *exec;
size_t exec_len;
char *init_file;
size_t init_file_len;
zend_bool init_file_default;
char *oplog_file;
size_t oplog_file_len;
zend_ulong flags;
char *php_optarg;
int php_optind, opt, show_banner = 1;
long cleaning = 0;
zend_bool remote = 0;
int run = 0;
int step = 0;
#ifdef _WIN32
char *bp_tmp_file = NULL;
#else
char bp_tmp_file[] = "/tmp/phpdbg.XXXXXX";
#endif
#ifndef _WIN32
char *address;
int listen[2];
int server[2];
int socket[2];
FILE* streams[2] = {NULL, NULL};
#endif
#ifdef ZTS
void ***tsrm_ls;
#endif
#ifndef _WIN32
address = strdup("127.0.0.1");
socket[0] = -1;
socket[1] = -1;
listen[0] = -1;
listen[1] = -1;
server[0] = -1;
server[1] = -1;
streams[0] = NULL;
streams[1] = NULL;
#endif
#ifdef PHP_WIN32
_fmode = _O_BINARY; /* sets default for file streams to binary */
setmode(_fileno(stdin), O_BINARY); /* make the stdio mode be binary */
setmode(_fileno(stdout), O_BINARY); /* make the stdio mode be binary */
setmode(_fileno(stderr), O_BINARY); /* make the stdio mode be binary */
#endif
#ifdef ZTS
tsrm_startup(1, 1, 0, NULL);
tsrm_ls = ts_resource(0);
#endif
phpdbg_main:
if (!cleaning) {
#ifdef _WIN32
bp_tmp_file = malloc(L_tmpnam);
if (bp_tmp_file) {
if (!tmpnam(bp_tmp_file)) {
free(bp_tmp_file);
bp_tmp_file = NULL;
}
}
#else
if (!mkstemp(bp_tmp_file)) {
memset(bp_tmp_file, 0, sizeof(bp_tmp_file));
}
#endif
if (!bp_tmp_file) {
phpdbg_error(
"Unable to create temporary file");
return 1;
}
}
ini_entries = NULL;
ini_entries_len = 0;
ini_ignore = 0;
ini_override = NULL;
zend_extensions = NULL;
zend_extensions_len = 0L;
exec = NULL;
exec_len = 0;
init_file = NULL;
init_file_len = 0;
init_file_default = 1;
oplog_file = NULL;
oplog_file_len = 0;
flags = PHPDBG_DEFAULT_FLAGS;
php_optarg = NULL;
php_optind = 1;
opt = 0;
run = 0;
step = 0;
sapi_name = NULL;
while ((opt = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0, 2)) != -1) {
switch (opt) {
case 'r':
run++;
break;
case 'n':
ini_ignore = 1;
break;
case 'c':
if (ini_override) {
free(ini_override);
}
ini_override = strdup(php_optarg);
break;
case 'd': {
int len = strlen(php_optarg);
char *val;
if ((val = strchr(php_optarg, '='))) {
val++;
if (!isalnum(*val) && *val != '"' && *val != '\'' && *val != '\0') {
ini_entries = realloc(ini_entries, ini_entries_len + len + sizeof("\"\"\n\0"));
memcpy(ini_entries + ini_entries_len, php_optarg, (val - php_optarg));
ini_entries_len += (val - php_optarg);
memcpy(ini_entries + ini_entries_len, "\"", 1);
ini_entries_len++;
memcpy(ini_entries + ini_entries_len, val, len - (val - php_optarg));
ini_entries_len += len - (val - php_optarg);
memcpy(ini_entries + ini_entries_len, "\"\n\0", sizeof("\"\n\0"));
ini_entries_len += sizeof("\n\0\"") - 2;
} else {
ini_entries = realloc(ini_entries, ini_entries_len + len + sizeof("\n\0"));
memcpy(ini_entries + ini_entries_len, php_optarg, len);
memcpy(ini_entries + ini_entries_len + len, "\n\0", sizeof("\n\0"));
ini_entries_len += len + sizeof("\n\0") - 2;
}
} else {
ini_entries = realloc(ini_entries, ini_entries_len + len + sizeof("=1\n\0"));
memcpy(ini_entries + ini_entries_len, php_optarg, len);
memcpy(ini_entries + ini_entries_len + len, "=1\n\0", sizeof("=1\n\0"));
ini_entries_len += len + sizeof("=1\n\0") - 2;
}
} break;
case 'z':
zend_extensions_len++;
if (zend_extensions) {
zend_extensions = realloc(zend_extensions, sizeof(char*) * zend_extensions_len);
} else zend_extensions = malloc(sizeof(char*) * zend_extensions_len);
zend_extensions[zend_extensions_len-1] = strdup(php_optarg);
break;
/* begin phpdbg options */
case 'e': { /* set execution context */
exec_len = strlen(php_optarg);
if (exec_len) {
if (exec) {
free(exec);
}
exec = strdup(php_optarg);
}
} break;
case 'S': { /* set SAPI name */
if (sapi_name) {
free(sapi_name);
}
sapi_name = strdup(php_optarg);
} break;
case 'I': { /* ignore .phpdbginit */
init_file_default = 0;
} break;
case 'i': { /* set init file */