1 /*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 2.00 of the Zend license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.zend.com/license/2_00.txt. |
11 | If you did not receive a copy of the Zend license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@zend.com so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Andi Gutmans <andi@zend.com> |
16 | Zeev Suraski <zeev@zend.com> |
17 | Andrei Zmievski <andrei@php.net> |
18 +----------------------------------------------------------------------+
19 */
20
21 /* $Id$ */
22
23 #include "zend.h"
24 #include "zend_execute.h"
25 #include "zend_API.h"
26 #include "zend_modules.h"
27 #include "zend_constants.h"
28 #include "zend_exceptions.h"
29 #include "zend_closures.h"
30
31 #ifdef HAVE_STDARG_H
32 #include <stdarg.h>
33 #endif
34
35 /* these variables are true statics/globals, and have to be mutex'ed on every access */
36 ZEND_API HashTable module_registry;
37
38 static zend_module_entry **module_request_startup_handlers;
39 static zend_module_entry **module_request_shutdown_handlers;
40 static zend_module_entry **module_post_deactivate_handlers;
41
42 static zend_class_entry **class_cleanup_handlers;
43
44 /* this function doesn't check for too many parameters */
zend_get_parameters(int ht,int param_count,...)45 ZEND_API int zend_get_parameters(int ht, int param_count, ...) /* {{{ */
46 {
47 void **p;
48 int arg_count;
49 va_list ptr;
50 zval **param, *param_ptr;
51 TSRMLS_FETCH();
52
53 p = zend_vm_stack_top(TSRMLS_C) - 1;
54 arg_count = (int)(zend_uintptr_t) *p;
55
56 if (param_count>arg_count) {
57 return FAILURE;
58 }
59
60 va_start(ptr, param_count);
61
62 while (param_count-->0) {
63 param = va_arg(ptr, zval **);
64 param_ptr = *(p-arg_count);
65 if (!PZVAL_IS_REF(param_ptr) && Z_REFCOUNT_P(param_ptr) > 1) {
66 zval *new_tmp;
67
68 ALLOC_ZVAL(new_tmp);
69 *new_tmp = *param_ptr;
70 zval_copy_ctor(new_tmp);
71 INIT_PZVAL(new_tmp);
72 param_ptr = new_tmp;
73 Z_DELREF_P((zval *) *(p-arg_count));
74 *(p-arg_count) = param_ptr;
75 }
76 *param = param_ptr;
77 arg_count--;
78 }
79 va_end(ptr);
80
81 return SUCCESS;
82 }
83 /* }}} */
84
_zend_get_parameters_array(int ht,int param_count,zval ** argument_array TSRMLS_DC)85 ZEND_API int _zend_get_parameters_array(int ht, int param_count, zval **argument_array TSRMLS_DC) /* {{{ */
86 {
87 void **p;
88 int arg_count;
89 zval *param_ptr;
90
91 p = zend_vm_stack_top(TSRMLS_C) - 1;
92 arg_count = (int)(zend_uintptr_t) *p;
93
94 if (param_count>arg_count) {
95 return FAILURE;
96 }
97
98 while (param_count-->0) {
99 param_ptr = *(p-arg_count);
100 if (!PZVAL_IS_REF(param_ptr) && Z_REFCOUNT_P(param_ptr) > 1) {
101 zval *new_tmp;
102
103 ALLOC_ZVAL(new_tmp);
104 *new_tmp = *param_ptr;
105 zval_copy_ctor(new_tmp);
106 INIT_PZVAL(new_tmp);
107 param_ptr = new_tmp;
108 Z_DELREF_P((zval *) *(p-arg_count));
109 *(p-arg_count) = param_ptr;
110 }
111 *(argument_array++) = param_ptr;
112 arg_count--;
113 }
114
115 return SUCCESS;
116 }
117 /* }}} */
118
119 /* Zend-optimized Extended functions */
120 /* this function doesn't check for too many parameters */
zend_get_parameters_ex(int param_count,...)121 ZEND_API int zend_get_parameters_ex(int param_count, ...) /* {{{ */
122 {
123 void **p;
124 int arg_count;
125 va_list ptr;
126 zval ***param;
127 TSRMLS_FETCH();
128
129 p = zend_vm_stack_top(TSRMLS_C) - 1;
130 arg_count = (int)(zend_uintptr_t) *p;
131
132 if (param_count>arg_count) {
133 return FAILURE;
134 }
135
136 va_start(ptr, param_count);
137 while (param_count-->0) {
138 param = va_arg(ptr, zval ***);
139 *param = (zval **) p-(arg_count--);
140 }
141 va_end(ptr);
142
143 return SUCCESS;
144 }
145 /* }}} */
146
_zend_get_parameters_array_ex(int param_count,zval *** argument_array TSRMLS_DC)147 ZEND_API int _zend_get_parameters_array_ex(int param_count, zval ***argument_array TSRMLS_DC) /* {{{ */
148 {
149 void **p;
150 int arg_count;
151
152 p = zend_vm_stack_top(TSRMLS_C) - 1;
153 arg_count = (int)(zend_uintptr_t) *p;
154
155 if (param_count>arg_count) {
156 return FAILURE;
157 }
158
159 while (param_count-->0) {
160 zval **value = (zval**)(p-arg_count);
161
162 *(argument_array++) = value;
163 arg_count--;
164 }
165
166 return SUCCESS;
167 }
168 /* }}} */
169
zend_copy_parameters_array(int param_count,zval * argument_array TSRMLS_DC)170 ZEND_API int zend_copy_parameters_array(int param_count, zval *argument_array TSRMLS_DC) /* {{{ */
171 {
172 void **p;
173 int arg_count;
174
175 p = zend_vm_stack_top(TSRMLS_C) - 1;
176 arg_count = (int)(zend_uintptr_t) *p;
177
178 if (param_count>arg_count) {
179 return FAILURE;
180 }
181
182 while (param_count-->0) {
183 zval **param = (zval **) p-(arg_count--);
184 zval_add_ref(param);
185 add_next_index_zval(argument_array, *param);
186 }
187
188 return SUCCESS;
189 }
190 /* }}} */
191
zend_wrong_param_count(TSRMLS_D)192 ZEND_API void zend_wrong_param_count(TSRMLS_D) /* {{{ */
193 {
194 const char *space;
195 const char *class_name = get_active_class_name(&space TSRMLS_CC);
196
197 zend_error(E_WARNING, "Wrong parameter count for %s%s%s()", class_name, space, get_active_function_name(TSRMLS_C));
198 }
199 /* }}} */
200
201 /* Argument parsing API -- andrei */
zend_get_type_by_const(int type)202 ZEND_API char *zend_get_type_by_const(int type) /* {{{ */
203 {
204 switch(type) {
205 case IS_BOOL:
206 return "boolean";
207 case IS_LONG:
208 return "integer";
209 case IS_DOUBLE:
210 return "double";
211 case IS_STRING:
212 return "string";
213 case IS_OBJECT:
214 return "object";
215 case IS_RESOURCE:
216 return "resource";
217 case IS_NULL:
218 return "null";
219 case IS_CALLABLE:
220 return "callable";
221 case IS_ARRAY:
222 return "array";
223 default:
224 return "unknown";
225 }
226 }
227 /* }}} */
228
zend_zval_type_name(const zval * arg)229 ZEND_API char *zend_zval_type_name(const zval *arg) /* {{{ */
230 {
231 return zend_get_type_by_const(Z_TYPE_P(arg));
232 }
233 /* }}} */
234
zend_get_class_entry(const zval * zobject TSRMLS_DC)235 ZEND_API zend_class_entry *zend_get_class_entry(const zval *zobject TSRMLS_DC) /* {{{ */
236 {
237 if (Z_OBJ_HT_P(zobject)->get_class_entry) {
238 return Z_OBJ_HT_P(zobject)->get_class_entry(zobject TSRMLS_CC);
239 } else {
240 zend_error(E_ERROR, "Class entry requested for an object without PHP class");
241 return NULL;
242 }
243 }
244 /* }}} */
245
246 /* returns 1 if you need to copy result, 0 if it's already a copy */
zend_get_object_classname(const zval * object,const char ** class_name,zend_uint * class_name_len TSRMLS_DC)247 ZEND_API int zend_get_object_classname(const zval *object, const char **class_name, zend_uint *class_name_len TSRMLS_DC) /* {{{ */
248 {
249 if (Z_OBJ_HT_P(object)->get_class_name == NULL ||
250 Z_OBJ_HT_P(object)->get_class_name(object, class_name, class_name_len, 0 TSRMLS_CC) != SUCCESS) {
251 zend_class_entry *ce = Z_OBJCE_P(object);
252
253 *class_name = ce->name;
254 *class_name_len = ce->name_length;
255 return 1;
256 }
257 return 0;
258 }
259 /* }}} */
260
parse_arg_object_to_string(zval ** arg,char ** p,int * pl,int type TSRMLS_DC)261 static int parse_arg_object_to_string(zval **arg, char **p, int *pl, int type TSRMLS_DC) /* {{{ */
262 {
263 if (Z_OBJ_HANDLER_PP(arg, cast_object)) {
264 zval *obj;
265 MAKE_STD_ZVAL(obj);
266 if (Z_OBJ_HANDLER_P(*arg, cast_object)(*arg, obj, type TSRMLS_CC) == SUCCESS) {
267 zval_ptr_dtor(arg);
268 *arg = obj;
269 *pl = Z_STRLEN_PP(arg);
270 *p = Z_STRVAL_PP(arg);
271 return SUCCESS;
272 }
273 efree(obj);
274 }
275 /* Standard PHP objects */
276 if (Z_OBJ_HT_PP(arg) == &std_object_handlers || !Z_OBJ_HANDLER_PP(arg, cast_object)) {
277 SEPARATE_ZVAL_IF_NOT_REF(arg);
278 if (zend_std_cast_object_tostring(*arg, *arg, type TSRMLS_CC) == SUCCESS) {
279 *pl = Z_STRLEN_PP(arg);
280 *p = Z_STRVAL_PP(arg);
281 return SUCCESS;
282 }
283 }
284 if (!Z_OBJ_HANDLER_PP(arg, cast_object) && Z_OBJ_HANDLER_PP(arg, get)) {
285 int use_copy;
286 zval *z = Z_OBJ_HANDLER_PP(arg, get)(*arg TSRMLS_CC);
287 Z_ADDREF_P(z);
288 if(Z_TYPE_P(z) != IS_OBJECT) {
289 zval_dtor(*arg);
290 Z_TYPE_P(*arg) = IS_NULL;
291 zend_make_printable_zval(z, *arg, &use_copy);
292 if (!use_copy) {
293 ZVAL_ZVAL(*arg, z, 1, 1);
294 }
295 *pl = Z_STRLEN_PP(arg);
296 *p = Z_STRVAL_PP(arg);
297 return SUCCESS;
298 }
299 zval_ptr_dtor(&z);
300 }
301 return FAILURE;
302 }
303 /* }}} */
304
zend_parse_arg_impl(int arg_num,zval ** arg,va_list * va,const char ** spec,char ** error,int * severity TSRMLS_DC)305 static const char *zend_parse_arg_impl(int arg_num, zval **arg, va_list *va, const char **spec, char **error, int *severity TSRMLS_DC) /* {{{ */
306 {
307 const char *spec_walk = *spec;
308 char c = *spec_walk++;
309 int check_null = 0;
310
311 /* scan through modifiers */
312 while (1) {
313 if (*spec_walk == '/') {
314 SEPARATE_ZVAL_IF_NOT_REF(arg);
315 } else if (*spec_walk == '!') {
316 check_null = 1;
317 } else {
318 break;
319 }
320 spec_walk++;
321 }
322
323 switch (c) {
324 case 'l':
325 case 'L':
326 {
327 long *p = va_arg(*va, long *);
328
329 if (check_null) {
330 zend_bool *p = va_arg(*va, zend_bool *);
331 *p = (Z_TYPE_PP(arg) == IS_NULL);
332 }
333
334 switch (Z_TYPE_PP(arg)) {
335 case IS_STRING:
336 {
337 double d;
338 int type;
339
340 if ((type = is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), p, &d, -1)) == 0) {
341 return "long";
342 } else if (type == IS_DOUBLE) {
343 if (c == 'L') {
344 if (d > LONG_MAX) {
345 *p = LONG_MAX;
346 break;
347 } else if (d < LONG_MIN) {
348 *p = LONG_MIN;
349 break;
350 }
351 }
352
353 *p = zend_dval_to_lval(d);
354 }
355 }
356 break;
357
358 case IS_DOUBLE:
359 if (c == 'L') {
360 if (Z_DVAL_PP(arg) > LONG_MAX) {
361 *p = LONG_MAX;
362 break;
363 } else if (Z_DVAL_PP(arg) < LONG_MIN) {
364 *p = LONG_MIN;
365 break;
366 }
367 }
368 case IS_NULL:
369 case IS_LONG:
370 case IS_BOOL:
371 convert_to_long_ex(arg);
372 *p = Z_LVAL_PP(arg);
373 break;
374
375 case IS_ARRAY:
376 case IS_OBJECT:
377 case IS_RESOURCE:
378 default:
379 return "long";
380 }
381 }
382 break;
383
384 case 'd':
385 {
386 double *p = va_arg(*va, double *);
387
388 if (check_null) {
389 zend_bool *p = va_arg(*va, zend_bool *);
390 *p = (Z_TYPE_PP(arg) == IS_NULL);
391 }
392
393 switch (Z_TYPE_PP(arg)) {
394 case IS_STRING:
395 {
396 long l;
397 int type;
398
399 if ((type = is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &l, p, -1)) == 0) {
400 return "double";
401 } else if (type == IS_LONG) {
402 *p = (double) l;
403 }
404 }
405 break;
406
407 case IS_NULL:
408 case IS_LONG:
409 case IS_DOUBLE:
410 case IS_BOOL:
411 convert_to_double_ex(arg);
412 *p = Z_DVAL_PP(arg);
413 break;
414
415 case IS_ARRAY:
416 case IS_OBJECT:
417 case IS_RESOURCE:
418 default:
419 return "double";
420 }
421 }
422 break;
423
424 case 'p':
425 case 's':
426 {
427 char **p = va_arg(*va, char **);
428 int *pl = va_arg(*va, int *);
429 switch (Z_TYPE_PP(arg)) {
430 case IS_NULL:
431 if (check_null) {
432 *p = NULL;
433 *pl = 0;
434 break;
435 }
436 /* break omitted intentionally */
437
438 case IS_STRING:
439 case IS_LONG:
440 case IS_DOUBLE:
441 case IS_BOOL:
442 convert_to_string_ex(arg);
443 if (UNEXPECTED(Z_ISREF_PP(arg) != 0)) {
444 /* it's dangerous to return pointers to string
445 buffer of referenced variable, because it can
446 be clobbered throug magic callbacks */
447 SEPARATE_ZVAL(arg);
448 }
449 *p = Z_STRVAL_PP(arg);
450 *pl = Z_STRLEN_PP(arg);
451 if (c == 'p' && CHECK_ZVAL_NULL_PATH(*arg)) {
452 return "a valid path";
453 }
454 break;
455
456 case IS_OBJECT:
457 if (parse_arg_object_to_string(arg, p, pl, IS_STRING TSRMLS_CC) == SUCCESS) {
458 if (c == 'p' && CHECK_ZVAL_NULL_PATH(*arg)) {
459 return "a valid path";
460 }
461 break;
462 }
463
464 case IS_ARRAY:
465 case IS_RESOURCE:
466 default:
467 return c == 's' ? "string" : "a valid path";
468 }
469 }
470 break;
471
472 case 'b':
473 {
474 zend_bool *p = va_arg(*va, zend_bool *);
475
476 if (check_null) {
477 zend_bool *p = va_arg(*va, zend_bool *);
478 *p = (Z_TYPE_PP(arg) == IS_NULL);
479 }
480
481 switch (Z_TYPE_PP(arg)) {
482 case IS_NULL:
483 case IS_STRING:
484 case IS_LONG:
485 case IS_DOUBLE:
486 case IS_BOOL:
487 convert_to_boolean_ex(arg);
488 *p = Z_BVAL_PP(arg);
489 break;
490
491 case IS_ARRAY:
492 case IS_OBJECT:
493 case IS_RESOURCE:
494 default:
495 return "boolean";
496 }
497 }
498 break;
499
500 case 'r':
501 {
502 zval **p = va_arg(*va, zval **);
503 if (check_null && Z_TYPE_PP(arg) == IS_NULL) {
504 *p = NULL;
505 break;
506 }
507 if (Z_TYPE_PP(arg) == IS_RESOURCE) {
508 *p = *arg;
509 } else {
510 return "resource";
511 }
512 }
513 break;
514 case 'A':
515 case 'a':
516 {
517 zval **p = va_arg(*va, zval **);
518 if (check_null && Z_TYPE_PP(arg) == IS_NULL) {
519 *p = NULL;
520 break;
521 }
522 if (Z_TYPE_PP(arg) == IS_ARRAY || (c == 'A' && Z_TYPE_PP(arg) == IS_OBJECT)) {
523 *p = *arg;
524 } else {
525 return "array";
526 }
527 }
528 break;
529 case 'H':
530 case 'h':
531 {
532 HashTable **p = va_arg(*va, HashTable **);
533 if (check_null && Z_TYPE_PP(arg) == IS_NULL) {
534 *p = NULL;
535 break;
536 }
537 if (Z_TYPE_PP(arg) == IS_ARRAY) {
538 *p = Z_ARRVAL_PP(arg);
539 } else if(c == 'H' && Z_TYPE_PP(arg) == IS_OBJECT) {
540 *p = HASH_OF(*arg);
541 if(*p == NULL) {
542 return "array";
543 }
544 } else {
545 return "array";
546 }
547 }
548 break;
549
550 case 'o':
551 {
552 zval **p = va_arg(*va, zval **);
553 if (check_null && Z_TYPE_PP(arg) == IS_NULL) {
554 *p = NULL;
555 break;
556 }
557 if (Z_TYPE_PP(arg) == IS_OBJECT) {
558 *p = *arg;
559 } else {
560 return "object";
561 }
562 }
563 break;
564
565 case 'O':
566 {
567 zval **p = va_arg(*va, zval **);
568 zend_class_entry *ce = va_arg(*va, zend_class_entry *);
569
570 if (check_null && Z_TYPE_PP(arg) == IS_NULL) {
571 *p = NULL;
572 break;
573 }
574 if (Z_TYPE_PP(arg) == IS_OBJECT &&
575 (!ce || instanceof_function(Z_OBJCE_PP(arg), ce TSRMLS_CC))) {
576 *p = *arg;
577 } else {
578 if (ce) {
579 return ce->name;
580 } else {
581 return "object";
582 }
583 }
584 }
585 break;
586
587 case 'C':
588 {
589 zend_class_entry **lookup, **pce = va_arg(*va, zend_class_entry **);
590 zend_class_entry *ce_base = *pce;
591
592 if (check_null && Z_TYPE_PP(arg) == IS_NULL) {
593 *pce = NULL;
594 break;
595 }
596 convert_to_string_ex(arg);
597 if (zend_lookup_class(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &lookup TSRMLS_CC) == FAILURE) {
598 *pce = NULL;
599 } else {
600 *pce = *lookup;
601 }
602 if (ce_base) {
603 if ((!*pce || !instanceof_function(*pce, ce_base TSRMLS_CC))) {
604 zend_spprintf(error, 0, "to be a class name derived from %s, '%s' given",
605 ce_base->name, Z_STRVAL_PP(arg));
606 *pce = NULL;
607 return "";
608 }
609 }
610 if (!*pce) {
611 zend_spprintf(error, 0, "to be a valid class name, '%s' given",
612 Z_STRVAL_PP(arg));
613 return "";
614 }
615 break;
616
617 }
618 break;
619
620 case 'f':
621 {
622 zend_fcall_info *fci = va_arg(*va, zend_fcall_info *);
623 zend_fcall_info_cache *fcc = va_arg(*va, zend_fcall_info_cache *);
624 char *is_callable_error = NULL;
625
626 if (check_null && Z_TYPE_PP(arg) == IS_NULL) {
627 fci->size = 0;
628 fcc->initialized = 0;
629 break;
630 }
631
632 if (zend_fcall_info_init(*arg, 0, fci, fcc, NULL, &is_callable_error TSRMLS_CC) == SUCCESS) {
633 if (is_callable_error) {
634 *severity = E_STRICT;
635 zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
636 efree(is_callable_error);
637 *spec = spec_walk;
638 return "";
639 }
640 break;
641 } else {
642 if (is_callable_error) {
643 *severity = E_WARNING;
644 zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
645 efree(is_callable_error);
646 return "";
647 } else {
648 return "valid callback";
649 }
650 }
651 }
652
653 case 'z':
654 {
655 zval **p = va_arg(*va, zval **);
656 if (check_null && Z_TYPE_PP(arg) == IS_NULL) {
657 *p = NULL;
658 } else {
659 *p = *arg;
660 }
661 }
662 break;
663
664 case 'Z':
665 {
666 zval ***p = va_arg(*va, zval ***);
667 if (check_null && Z_TYPE_PP(arg) == IS_NULL) {
668 *p = NULL;
669 } else {
670 *p = arg;
671 }
672 }
673 break;
674
675 default:
676 return "unknown";
677 }
678
679 *spec = spec_walk;
680
681 return NULL;
682 }
683 /* }}} */
684
zend_parse_arg(int arg_num,zval ** arg,va_list * va,const char ** spec,int quiet TSRMLS_DC)685 static int zend_parse_arg(int arg_num, zval **arg, va_list *va, const char **spec, int quiet TSRMLS_DC) /* {{{ */
686 {
687 const char *expected_type = NULL;
688 char *error = NULL;
689 int severity = E_WARNING;
690
691 expected_type = zend_parse_arg_impl(arg_num, arg, va, spec, &error, &severity TSRMLS_CC);
692 if (expected_type) {
693 if (!quiet && (*expected_type || error)) {
694 const char *space;
695 const char *class_name = get_active_class_name(&space TSRMLS_CC);
696
697 if (error) {
698 zend_error(severity, "%s%s%s() expects parameter %d %s",
699 class_name, space, get_active_function_name(TSRMLS_C), arg_num, error);
700 efree(error);
701 } else {
702 zend_error(severity, "%s%s%s() expects parameter %d to be %s, %s given",
703 class_name, space, get_active_function_name(TSRMLS_C), arg_num, expected_type,
704 zend_zval_type_name(*arg));
705 }
706 }
707 if (severity != E_STRICT) {
708 return FAILURE;
709 }
710 }
711
712 return SUCCESS;
713 }
714 /* }}} */
715
zend_parse_parameter(int flags,int arg_num TSRMLS_DC,zval ** arg,const char * spec,...)716 ZEND_API int zend_parse_parameter(int flags, int arg_num TSRMLS_DC, zval **arg, const char *spec, ...)
717 {
718 va_list va;
719 int ret;
720 int quiet = flags & ZEND_PARSE_PARAMS_QUIET;
721
722 va_start(va, spec);
723 ret = zend_parse_arg(arg_num, arg, &va, &spec, quiet TSRMLS_CC);
724 va_end(va);
725
726 return ret;
727 }
728
zend_parse_va_args(int num_args,const char * type_spec,va_list * va,int flags TSRMLS_DC)729 static int zend_parse_va_args(int num_args, const char *type_spec, va_list *va, int flags TSRMLS_DC) /* {{{ */
730 {
731 const char *spec_walk;
732 int c, i;
733 int min_num_args = -1;
734 int max_num_args = 0;
735 int post_varargs = 0;
736 zval **arg;
737 int arg_count;
738 int quiet = flags & ZEND_PARSE_PARAMS_QUIET;
739 zend_bool have_varargs = 0;
740 zval ****varargs = NULL;
741 int *n_varargs = NULL;
742
743 for (spec_walk = type_spec; *spec_walk; spec_walk++) {
744 c = *spec_walk;
745 switch (c) {
746 case 'l': case 'd':
747 case 's': case 'b':
748 case 'r': case 'a':
749 case 'o': case 'O':
750 case 'z': case 'Z':
751 case 'C': case 'h':
752 case 'f': case 'A':
753 case 'H': case 'p':
754 max_num_args++;
755 break;
756
757 case '|':
758 min_num_args = max_num_args;
759 break;
760
761 case '/':
762 case '!':
763 /* Pass */
764 break;
765
766 case '*':
767 case '+':
768 if (have_varargs) {
769 if (!quiet) {
770 zend_function *active_function = EG(current_execute_data)->function_state.function;
771 const char *class_name = active_function->common.scope ? active_function->common.scope->name : "";
772 zend_error(E_WARNING, "%s%s%s(): only one varargs specifier (* or +) is permitted",
773 class_name,
774 class_name[0] ? "::" : "",
775 active_function->common.function_name);
776 }
777 return FAILURE;
778 }
779 have_varargs = 1;
780 /* we expect at least one parameter in varargs */
781 if (c == '+') {
782 max_num_args++;
783 }
784 /* mark the beginning of varargs */
785 post_varargs = max_num_args;
786 break;
787
788 default:
789 if (!quiet) {
790 zend_function *active_function = EG(current_execute_data)->function_state.function;
791 const char *class_name = active_function->common.scope ? active_function->common.scope->name : "";
792 zend_error(E_WARNING, "%s%s%s(): bad type specifier while parsing parameters",
793 class_name,
794 class_name[0] ? "::" : "",
795 active_function->common.function_name);
796 }
797 return FAILURE;
798 }
799 }
800
801 if (min_num_args < 0) {
802 min_num_args = max_num_args;
803 }
804
805 if (have_varargs) {
806 /* calculate how many required args are at the end of the specifier list */
807 post_varargs = max_num_args - post_varargs;
808 max_num_args = -1;
809 }
810
811 if (num_args < min_num_args || (num_args > max_num_args && max_num_args > 0)) {
812 if (!quiet) {
813 zend_function *active_function = EG(current_execute_data)->function_state.function;
814 const char *class_name = active_function->common.scope ? active_function->common.scope->name : "";
815 zend_error(E_WARNING, "%s%s%s() expects %s %d parameter%s, %d given",
816 class_name,
817 class_name[0] ? "::" : "",
818 active_function->common.function_name,
819 min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
820 num_args < min_num_args ? min_num_args : max_num_args,
821 (num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
822 num_args);
823 }
824 return FAILURE;
825 }
826
827 arg_count = (int)(zend_uintptr_t) *(zend_vm_stack_top(TSRMLS_C) - 1);
828
829 if (num_args > arg_count) {
830 zend_error(E_WARNING, "%s(): could not obtain parameters for parsing",
831 get_active_function_name(TSRMLS_C));
832 return FAILURE;
833 }
834
835 i = 0;
836 while (num_args-- > 0) {
837 if (*type_spec == '|') {
838 type_spec++;
839 }
840
841 if (*type_spec == '*' || *type_spec == '+') {
842 int num_varargs = num_args + 1 - post_varargs;
843
844 /* eat up the passed in storage even if it won't be filled in with varargs */
845 varargs = va_arg(*va, zval ****);
846 n_varargs = va_arg(*va, int *);
847 type_spec++;
848
849 if (num_varargs > 0) {
850 int iv = 0;
851 zval **p = (zval **) (zend_vm_stack_top(TSRMLS_C) - 1 - (arg_count - i));
852
853 *n_varargs = num_varargs;
854
855 /* allocate space for array and store args */
856 *varargs = safe_emalloc(num_varargs, sizeof(zval **), 0);
857 while (num_varargs-- > 0) {
858 (*varargs)[iv++] = p++;
859 }
860
861 /* adjust how many args we have left and restart loop */
862 num_args = num_args + 1 - iv;
863 i += iv;
864 continue;
865 } else {
866 *varargs = NULL;
867 *n_varargs = 0;
868 }
869 }
870
871 arg = (zval **) (zend_vm_stack_top(TSRMLS_C) - 1 - (arg_count-i));
872
873 if (zend_parse_arg(i+1, arg, va, &type_spec, quiet TSRMLS_CC) == FAILURE) {
874 /* clean up varargs array if it was used */
875 if (varargs && *varargs) {
876 efree(*varargs);
877 *varargs = NULL;
878 }
879 return FAILURE;
880 }
881 i++;
882 }
883
884 return SUCCESS;
885 }
886 /* }}} */
887
888 #define RETURN_IF_ZERO_ARGS(num_args, type_spec, quiet) { \
889 int __num_args = (num_args); \
890 \
891 if (0 == (type_spec)[0] && 0 != __num_args && !(quiet)) { \
892 const char *__space; \
893 const char * __class_name = get_active_class_name(&__space TSRMLS_CC); \
894 zend_error(E_WARNING, "%s%s%s() expects exactly 0 parameters, %d given", \
895 __class_name, __space, \
896 get_active_function_name(TSRMLS_C), __num_args); \
897 return FAILURE; \
898 }\
899 }
900
zend_parse_parameters_ex(int flags,int num_args TSRMLS_DC,const char * type_spec,...)901 ZEND_API int zend_parse_parameters_ex(int flags, int num_args TSRMLS_DC, const char *type_spec, ...) /* {{{ */
902 {
903 va_list va;
904 int retval;
905
906 RETURN_IF_ZERO_ARGS(num_args, type_spec, flags & ZEND_PARSE_PARAMS_QUIET);
907
908 va_start(va, type_spec);
909 retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC);
910 va_end(va);
911
912 return retval;
913 }
914 /* }}} */
915
zend_parse_parameters(int num_args TSRMLS_DC,const char * type_spec,...)916 ZEND_API int zend_parse_parameters(int num_args TSRMLS_DC, const char *type_spec, ...) /* {{{ */
917 {
918 va_list va;
919 int retval;
920
921 RETURN_IF_ZERO_ARGS(num_args, type_spec, 0);
922
923 va_start(va, type_spec);
924 retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC);
925 va_end(va);
926
927 return retval;
928 }
929 /* }}} */
930
zend_parse_method_parameters(int num_args TSRMLS_DC,zval * this_ptr,const char * type_spec,...)931 ZEND_API int zend_parse_method_parameters(int num_args TSRMLS_DC, zval *this_ptr, const char *type_spec, ...) /* {{{ */
932 {
933 va_list va;
934 int retval;
935 const char *p = type_spec;
936 zval **object;
937 zend_class_entry *ce;
938
939 if (!this_ptr) {
940 RETURN_IF_ZERO_ARGS(num_args, p, 0);
941
942 va_start(va, type_spec);
943 retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC);
944 va_end(va);
945 } else {
946 p++;
947 RETURN_IF_ZERO_ARGS(num_args, p, 0);
948
949 va_start(va, type_spec);
950
951 object = va_arg(va, zval **);
952 ce = va_arg(va, zend_class_entry *);
953 *object = this_ptr;
954
955 if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce TSRMLS_CC)) {
956 zend_error(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
957 ce->name, get_active_function_name(TSRMLS_C), Z_OBJCE_P(this_ptr)->name, get_active_function_name(TSRMLS_C));
958 }
959
960 retval = zend_parse_va_args(num_args, p, &va, 0 TSRMLS_CC);
961 va_end(va);
962 }
963 return retval;
964 }
965 /* }}} */
966
zend_parse_method_parameters_ex(int flags,int num_args TSRMLS_DC,zval * this_ptr,const char * type_spec,...)967 ZEND_API int zend_parse_method_parameters_ex(int flags, int num_args TSRMLS_DC, zval *this_ptr, const char *type_spec, ...) /* {{{ */
968 {
969 va_list va;
970 int retval;
971 const char *p = type_spec;
972 zval **object;
973 zend_class_entry *ce;
974 int quiet = flags & ZEND_PARSE_PARAMS_QUIET;
975
976 if (!this_ptr) {
977 RETURN_IF_ZERO_ARGS(num_args, p, quiet);
978
979 va_start(va, type_spec);
980 retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC);
981 va_end(va);
982 } else {
983 p++;
984 RETURN_IF_ZERO_ARGS(num_args, p, quiet);
985
986 va_start(va, type_spec);
987
988 object = va_arg(va, zval **);
989 ce = va_arg(va, zend_class_entry *);
990 *object = this_ptr;
991
992 if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce TSRMLS_CC)) {
993 if (!quiet) {
994 zend_error(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
995 ce->name, get_active_function_name(TSRMLS_C), Z_OBJCE_P(this_ptr)->name, get_active_function_name(TSRMLS_C));
996 }
997 va_end(va);
998 return FAILURE;
999 }
1000
1001 retval = zend_parse_va_args(num_args, p, &va, flags TSRMLS_CC);
1002 va_end(va);
1003 }
1004 return retval;
1005 }
1006 /* }}} */
1007
1008 /* Argument parsing API -- andrei */
_array_init(zval * arg,uint size ZEND_FILE_LINE_DC)1009 ZEND_API int _array_init(zval *arg, uint size ZEND_FILE_LINE_DC) /* {{{ */
1010 {
1011 ALLOC_HASHTABLE_REL(Z_ARRVAL_P(arg));
1012
1013 _zend_hash_init(Z_ARRVAL_P(arg), size, ZVAL_PTR_DTOR, 0 ZEND_FILE_LINE_RELAY_CC);
1014 Z_TYPE_P(arg) = IS_ARRAY;
1015 return SUCCESS;
1016 }
1017 /* }}} */
1018
zend_merge_property(zval ** value TSRMLS_DC,int num_args,va_list args,const zend_hash_key * hash_key)1019 static int zend_merge_property(zval **value TSRMLS_DC, int num_args, va_list args, const zend_hash_key *hash_key) /* {{{ */
1020 {
1021 /* which name should a numeric property have ? */
1022 if (hash_key->nKeyLength) {
1023 zval *obj = va_arg(args, zval *);
1024 zend_object_handlers *obj_ht = va_arg(args, zend_object_handlers *);
1025 zval *member;
1026
1027 MAKE_STD_ZVAL(member);
1028 ZVAL_STRINGL(member, hash_key->arKey, hash_key->nKeyLength-1, 1);
1029 obj_ht->write_property(obj, member, *value, 0 TSRMLS_CC);
1030 zval_ptr_dtor(&member);
1031 }
1032 return ZEND_HASH_APPLY_KEEP;
1033 }
1034 /* }}} */
1035
1036 /* This function should be called after the constructor has been called
1037 * because it may call __set from the uninitialized object otherwise. */
zend_merge_properties(zval * obj,HashTable * properties,int destroy_ht TSRMLS_DC)1038 ZEND_API void zend_merge_properties(zval *obj, HashTable *properties, int destroy_ht TSRMLS_DC) /* {{{ */
1039 {
1040 const zend_object_handlers *obj_ht = Z_OBJ_HT_P(obj);
1041 zend_class_entry *old_scope = EG(scope);
1042
1043 EG(scope) = Z_OBJCE_P(obj);
1044 zend_hash_apply_with_arguments(properties TSRMLS_CC, (apply_func_args_t)zend_merge_property, 2, obj, obj_ht);
1045 EG(scope) = old_scope;
1046
1047 if (destroy_ht) {
1048 zend_hash_destroy(properties);
1049 FREE_HASHTABLE(properties);
1050 }
1051 }
1052 /* }}} */
1053
zval_update_class_constant(zval ** pp,int is_static,int offset TSRMLS_DC)1054 static int zval_update_class_constant(zval **pp, int is_static, int offset TSRMLS_DC) /* {{{ */
1055 {
1056 if (IS_CONSTANT_TYPE(Z_TYPE_PP(pp))) {
1057 zend_class_entry **scope = EG(in_execution)?&EG(scope):&CG(active_class_entry);
1058
1059 if ((*scope)->parent) {
1060 zend_class_entry *ce = *scope;
1061 HashPosition pos;
1062 zend_property_info *prop_info;
1063
1064 do {
1065 for (zend_hash_internal_pointer_reset_ex(&ce->properties_info, &pos);
1066 zend_hash_get_current_data_ex(&ce->properties_info, (void **) &prop_info, &pos) == SUCCESS;
1067 zend_hash_move_forward_ex(&ce->properties_info, &pos)) {
1068 if (is_static == ((prop_info->flags & ZEND_ACC_STATIC) != 0) &&
1069 offset == prop_info->offset) {
1070 int ret;
1071 zend_class_entry *old_scope = *scope;
1072 *scope = prop_info->ce;
1073 ret = zval_update_constant(pp, 1 TSRMLS_CC);
1074 *scope = old_scope;
1075 return ret;
1076 }
1077 }
1078 ce = ce->parent;
1079 } while (ce);
1080
1081 }
1082 return zval_update_constant(pp, 1 TSRMLS_CC);
1083 }
1084 return 0;
1085 }
1086 /* }}} */
1087
zend_update_class_constants(zend_class_entry * class_type TSRMLS_DC)1088 ZEND_API void zend_update_class_constants(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
1089 {
1090 if ((class_type->ce_flags & ZEND_ACC_CONSTANTS_UPDATED) == 0 || (!CE_STATIC_MEMBERS(class_type) && class_type->default_static_members_count)) {
1091 zend_class_entry **scope = EG(in_execution)?&EG(scope):&CG(active_class_entry);
1092 zend_class_entry *old_scope = *scope;
1093 int i;
1094
1095 *scope = class_type;
1096 zend_hash_apply_with_argument(&class_type->constants_table, (apply_func_arg_t) zval_update_constant, (void *)1 TSRMLS_CC);
1097
1098 for (i = 0; i < class_type->default_properties_count; i++) {
1099 if (class_type->default_properties_table[i]) {
1100 zval_update_class_constant(&class_type->default_properties_table[i], 0, i TSRMLS_CC);
1101 }
1102 }
1103
1104 if (!CE_STATIC_MEMBERS(class_type) && class_type->default_static_members_count) {
1105 zval **p;
1106
1107 if (class_type->parent) {
1108 zend_update_class_constants(class_type->parent TSRMLS_CC);
1109 }
1110 #if ZTS
1111 CG(static_members_table)[(zend_intptr_t)(class_type->static_members_table)] = emalloc(sizeof(zval*) * class_type->default_static_members_count);
1112 #else
1113 class_type->static_members_table = emalloc(sizeof(zval*) * class_type->default_static_members_count);
1114 #endif
1115 for (i = 0; i < class_type->default_static_members_count; i++) {
1116 p = &class_type->default_static_members_table[i];
1117 if (Z_ISREF_PP(p) &&
1118 class_type->parent &&
1119 i < class_type->parent->default_static_members_count &&
1120 *p == class_type->parent->default_static_members_table[i] &&
1121 CE_STATIC_MEMBERS(class_type->parent)[i]
1122 ) {
1123 zval *q = CE_STATIC_MEMBERS(class_type->parent)[i];
1124
1125 Z_ADDREF_P(q);
1126 Z_SET_ISREF_P(q);
1127 CE_STATIC_MEMBERS(class_type)[i] = q;
1128 } else {
1129 zval *r;
1130
1131 ALLOC_ZVAL(r);
1132 *r = **p;
1133 INIT_PZVAL(r);
1134 zval_copy_ctor(r);
1135 CE_STATIC_MEMBERS(class_type)[i] = r;
1136 }
1137 }
1138 }
1139
1140 for (i = 0; i < class_type->default_static_members_count; i++) {
1141 zval_update_class_constant(&CE_STATIC_MEMBERS(class_type)[i], 1, i TSRMLS_CC);
1142 }
1143
1144 *scope = old_scope;
1145 class_type->ce_flags |= ZEND_ACC_CONSTANTS_UPDATED;
1146 }
1147 }
1148 /* }}} */
1149
object_properties_init(zend_object * object,zend_class_entry * class_type)1150 ZEND_API void object_properties_init(zend_object *object, zend_class_entry *class_type) /* {{{ */
1151 {
1152 int i;
1153
1154 if (class_type->default_properties_count) {
1155 object->properties_table = emalloc(sizeof(zval*) * class_type->default_properties_count);
1156 for (i = 0; i < class_type->default_properties_count; i++) {
1157 object->properties_table[i] = class_type->default_properties_table[i];
1158 if (class_type->default_properties_table[i]) {
1159 #if ZTS
1160 ALLOC_ZVAL( object->properties_table[i]);
1161 MAKE_COPY_ZVAL(&class_type->default_properties_table[i], object->properties_table[i]);
1162 #else
1163 Z_ADDREF_P(object->properties_table[i]);
1164 #endif
1165 }
1166 }
1167 object->properties = NULL;
1168 }
1169 }
1170 /* }}} */
1171
1172 /* This function requires 'properties' to contain all props declared in the
1173 * class and all props being public. If only a subset is given or the class
1174 * has protected members then you need to merge the properties separately by
1175 * calling zend_merge_properties(). */
_object_and_properties_init(zval * arg,zend_class_entry * class_type,HashTable * properties ZEND_FILE_LINE_DC TSRMLS_DC)1176 ZEND_API int _object_and_properties_init(zval *arg, zend_class_entry *class_type, HashTable *properties ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */
1177 {
1178 zend_object *object;
1179
1180 if (class_type->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_IMPLICIT_ABSTRACT_CLASS|ZEND_ACC_EXPLICIT_ABSTRACT_CLASS)) {
1181 char *what = (class_type->ce_flags & ZEND_ACC_INTERFACE) ? "interface"
1182 :((class_type->ce_flags & ZEND_ACC_TRAIT) == ZEND_ACC_TRAIT) ? "trait"
1183 : "abstract class";
1184 zend_error(E_ERROR, "Cannot instantiate %s %s", what, class_type->name);
1185 }
1186
1187 zend_update_class_constants(class_type TSRMLS_CC);
1188
1189 Z_TYPE_P(arg) = IS_OBJECT;
1190 if (class_type->create_object == NULL) {
1191 Z_OBJVAL_P(arg) = zend_objects_new(&object, class_type TSRMLS_CC);
1192 if (properties) {
1193 object->properties = properties;
1194 object->properties_table = NULL;
1195 } else {
1196 object_properties_init(object, class_type);
1197 }
1198 } else {
1199 Z_OBJVAL_P(arg) = class_type->create_object(class_type TSRMLS_CC);
1200 }
1201 return SUCCESS;
1202 }
1203 /* }}} */
1204
_object_init_ex(zval * arg,zend_class_entry * class_type ZEND_FILE_LINE_DC TSRMLS_DC)1205 ZEND_API int _object_init_ex(zval *arg, zend_class_entry *class_type ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */
1206 {
1207 return _object_and_properties_init(arg, class_type, 0 ZEND_FILE_LINE_RELAY_CC TSRMLS_CC);
1208 }
1209 /* }}} */
1210
_object_init(zval * arg ZEND_FILE_LINE_DC TSRMLS_DC)1211 ZEND_API int _object_init(zval *arg ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */
1212 {
1213 return _object_init_ex(arg, zend_standard_class_def ZEND_FILE_LINE_RELAY_CC TSRMLS_CC);
1214 }
1215 /* }}} */
1216
add_assoc_function(zval * arg,const char * key,void (* function_ptr)(INTERNAL_FUNCTION_PARAMETERS))1217 ZEND_API int add_assoc_function(zval *arg, const char *key, void (*function_ptr)(INTERNAL_FUNCTION_PARAMETERS)) /* {{{ */
1218 {
1219 zend_error(E_WARNING, "add_assoc_function() is no longer supported");
1220 return FAILURE;
1221 }
1222 /* }}} */
1223
add_assoc_long_ex(zval * arg,const char * key,uint key_len,long n)1224 ZEND_API int add_assoc_long_ex(zval *arg, const char *key, uint key_len, long n) /* {{{ */
1225 {
1226 zval *tmp;
1227
1228 MAKE_STD_ZVAL(tmp);
1229 ZVAL_LONG(tmp, n);
1230
1231 return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1232 }
1233 /* }}} */
1234
add_assoc_null_ex(zval * arg,const char * key,uint key_len)1235 ZEND_API int add_assoc_null_ex(zval *arg, const char *key, uint key_len) /* {{{ */
1236 {
1237 zval *tmp;
1238
1239 MAKE_STD_ZVAL(tmp);
1240 ZVAL_NULL(tmp);
1241
1242 return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1243 }
1244 /* }}} */
1245
add_assoc_bool_ex(zval * arg,const char * key,uint key_len,int b)1246 ZEND_API int add_assoc_bool_ex(zval *arg, const char *key, uint key_len, int b) /* {{{ */
1247 {
1248 zval *tmp;
1249
1250 MAKE_STD_ZVAL(tmp);
1251 ZVAL_BOOL(tmp, b);
1252
1253 return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1254 }
1255 /* }}} */
1256
add_assoc_resource_ex(zval * arg,const char * key,uint key_len,int r)1257 ZEND_API int add_assoc_resource_ex(zval *arg, const char *key, uint key_len, int r) /* {{{ */
1258 {
1259 zval *tmp;
1260
1261 MAKE_STD_ZVAL(tmp);
1262 ZVAL_RESOURCE(tmp, r);
1263
1264 return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1265 }
1266 /* }}} */
1267
add_assoc_double_ex(zval * arg,const char * key,uint key_len,double d)1268 ZEND_API int add_assoc_double_ex(zval *arg, const char *key, uint key_len, double d) /* {{{ */
1269 {
1270 zval *tmp;
1271
1272 MAKE_STD_ZVAL(tmp);
1273 ZVAL_DOUBLE(tmp, d);
1274
1275 return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1276 }
1277 /* }}} */
1278
add_assoc_string_ex(zval * arg,const char * key,uint key_len,char * str,int duplicate)1279 ZEND_API int add_assoc_string_ex(zval *arg, const char *key, uint key_len, char *str, int duplicate) /* {{{ */
1280 {
1281 zval *tmp;
1282 size_t _len = strlen(str);
1283
1284 if (UNEXPECTED(_len > INT_MAX)) {
1285 zend_error_noreturn(E_ERROR, "String overflow, max size is %d", INT_MAX);
1286 }
1287
1288 MAKE_STD_ZVAL(tmp);
1289 ZVAL_STRINGL(tmp, str, _len, duplicate);
1290
1291 return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1292 }
1293 /* }}} */
1294
add_assoc_stringl_ex(zval * arg,const char * key,uint key_len,char * str,uint length,int duplicate)1295 ZEND_API int add_assoc_stringl_ex(zval *arg, const char *key, uint key_len, char *str, uint length, int duplicate) /* {{{ */
1296 {
1297 zval *tmp;
1298
1299 if (UNEXPECTED(length > INT_MAX)) {
1300 zend_error_noreturn(E_ERROR, "String overflow, max size is %d", INT_MAX);
1301 }
1302
1303 MAKE_STD_ZVAL(tmp);
1304 ZVAL_STRINGL(tmp, str, length, duplicate);
1305
1306 return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1307 }
1308 /* }}} */
1309
add_assoc_zval_ex(zval * arg,const char * key,uint key_len,zval * value)1310 ZEND_API int add_assoc_zval_ex(zval *arg, const char *key, uint key_len, zval *value) /* {{{ */
1311 {
1312 return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &value, sizeof(zval *), NULL);
1313 }
1314 /* }}} */
1315
add_index_long(zval * arg,ulong index,long n)1316 ZEND_API int add_index_long(zval *arg, ulong index, long n) /* {{{ */
1317 {
1318 zval *tmp;
1319
1320 MAKE_STD_ZVAL(tmp);
1321 ZVAL_LONG(tmp, n);
1322
1323 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1324 }
1325 /* }}} */
1326
add_index_null(zval * arg,ulong index)1327 ZEND_API int add_index_null(zval *arg, ulong index) /* {{{ */
1328 {
1329 zval *tmp;
1330
1331 MAKE_STD_ZVAL(tmp);
1332 ZVAL_NULL(tmp);
1333
1334 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1335 }
1336 /* }}} */
1337
add_index_bool(zval * arg,ulong index,int b)1338 ZEND_API int add_index_bool(zval *arg, ulong index, int b) /* {{{ */
1339 {
1340 zval *tmp;
1341
1342 MAKE_STD_ZVAL(tmp);
1343 ZVAL_BOOL(tmp, b);
1344
1345 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1346 }
1347 /* }}} */
1348
add_index_resource(zval * arg,ulong index,int r)1349 ZEND_API int add_index_resource(zval *arg, ulong index, int r) /* {{{ */
1350 {
1351 zval *tmp;
1352
1353 MAKE_STD_ZVAL(tmp);
1354 ZVAL_RESOURCE(tmp, r);
1355
1356 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1357 }
1358 /* }}} */
1359
add_index_double(zval * arg,ulong index,double d)1360 ZEND_API int add_index_double(zval *arg, ulong index, double d) /* {{{ */
1361 {
1362 zval *tmp;
1363
1364 MAKE_STD_ZVAL(tmp);
1365 ZVAL_DOUBLE(tmp, d);
1366
1367 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1368 }
1369 /* }}} */
1370
add_index_string(zval * arg,ulong index,const char * str,int duplicate)1371 ZEND_API int add_index_string(zval *arg, ulong index, const char *str, int duplicate) /* {{{ */
1372 {
1373 zval *tmp;
1374 size_t _len = strlen(str);
1375
1376 if (UNEXPECTED(_len > INT_MAX)) {
1377 zend_error_noreturn(E_ERROR, "String overflow, max size is %d", INT_MAX);
1378 }
1379
1380 MAKE_STD_ZVAL(tmp);
1381 ZVAL_STRING(tmp, str, duplicate);
1382
1383 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1384 }
1385 /* }}} */
1386
add_index_stringl(zval * arg,ulong index,const char * str,uint length,int duplicate)1387 ZEND_API int add_index_stringl(zval *arg, ulong index, const char *str, uint length, int duplicate) /* {{{ */
1388 {
1389 zval *tmp;
1390
1391 if (UNEXPECTED(length > INT_MAX)) {
1392 zend_error_noreturn(E_ERROR, "String overflow, max size is %d", INT_MAX);
1393 }
1394
1395 MAKE_STD_ZVAL(tmp);
1396 ZVAL_STRINGL(tmp, str, length, duplicate);
1397
1398 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1399 }
1400 /* }}} */
1401
add_index_zval(zval * arg,ulong index,zval * value)1402 ZEND_API int add_index_zval(zval *arg, ulong index, zval *value) /* {{{ */
1403 {
1404 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &value, sizeof(zval *), NULL);
1405 }
1406 /* }}} */
1407
add_next_index_long(zval * arg,long n)1408 ZEND_API int add_next_index_long(zval *arg, long n) /* {{{ */
1409 {
1410 zval *tmp;
1411
1412 MAKE_STD_ZVAL(tmp);
1413 ZVAL_LONG(tmp, n);
1414
1415 return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1416 }
1417 /* }}} */
1418
add_next_index_null(zval * arg)1419 ZEND_API int add_next_index_null(zval *arg) /* {{{ */
1420 {
1421 zval *tmp;
1422
1423 MAKE_STD_ZVAL(tmp);
1424 ZVAL_NULL(tmp);
1425
1426 return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1427 }
1428 /* }}} */
1429
add_next_index_bool(zval * arg,int b)1430 ZEND_API int add_next_index_bool(zval *arg, int b) /* {{{ */
1431 {
1432 zval *tmp;
1433
1434 MAKE_STD_ZVAL(tmp);
1435 ZVAL_BOOL(tmp, b);
1436
1437 return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1438 }
1439 /* }}} */
1440
add_next_index_resource(zval * arg,int r)1441 ZEND_API int add_next_index_resource(zval *arg, int r) /* {{{ */
1442 {
1443 zval *tmp;
1444
1445 MAKE_STD_ZVAL(tmp);
1446 ZVAL_RESOURCE(tmp, r);
1447
1448 return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1449 }
1450 /* }}} */
1451
add_next_index_double(zval * arg,double d)1452 ZEND_API int add_next_index_double(zval *arg, double d) /* {{{ */
1453 {
1454 zval *tmp;
1455
1456 MAKE_STD_ZVAL(tmp);
1457 ZVAL_DOUBLE(tmp, d);
1458
1459 return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1460 }
1461 /* }}} */
1462
add_next_index_string(zval * arg,const char * str,int duplicate)1463 ZEND_API int add_next_index_string(zval *arg, const char *str, int duplicate) /* {{{ */
1464 {
1465 zval *tmp;
1466
1467 MAKE_STD_ZVAL(tmp);
1468 ZVAL_STRING(tmp, str, duplicate);
1469
1470 return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1471 }
1472 /* }}} */
1473
add_next_index_stringl(zval * arg,const char * str,uint length,int duplicate)1474 ZEND_API int add_next_index_stringl(zval *arg, const char *str, uint length, int duplicate) /* {{{ */
1475 {
1476 zval *tmp;
1477
1478 if (UNEXPECTED(length > INT_MAX)) {
1479 zend_error_noreturn(E_ERROR, "String overflow, max size is %d", INT_MAX);
1480 }
1481 MAKE_STD_ZVAL(tmp);
1482 ZVAL_STRINGL(tmp, str, length, duplicate);
1483
1484 return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1485 }
1486 /* }}} */
1487
add_next_index_zval(zval * arg,zval * value)1488 ZEND_API int add_next_index_zval(zval *arg, zval *value) /* {{{ */
1489 {
1490 return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &value, sizeof(zval *), NULL);
1491 }
1492 /* }}} */
1493
add_get_assoc_string_ex(zval * arg,const char * key,uint key_len,const char * str,void ** dest,int duplicate)1494 ZEND_API int add_get_assoc_string_ex(zval *arg, const char *key, uint key_len, const char *str, void **dest, int duplicate) /* {{{ */
1495 {
1496 zval *tmp;
1497 size_t _len = strlen(str);
1498
1499 if (UNEXPECTED(_len > INT_MAX)) {
1500 zend_error_noreturn(E_ERROR, "String overflow, max size is %d", INT_MAX);
1501 }
1502
1503 MAKE_STD_ZVAL(tmp);
1504 ZVAL_STRINGL(tmp, str, _len, duplicate);
1505
1506 return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest);
1507 }
1508 /* }}} */
1509
add_get_assoc_stringl_ex(zval * arg,const char * key,uint key_len,const char * str,uint length,void ** dest,int duplicate)1510 ZEND_API int add_get_assoc_stringl_ex(zval *arg, const char *key, uint key_len, const char *str, uint length, void **dest, int duplicate) /* {{{ */
1511 {
1512 zval *tmp;
1513
1514 if (UNEXPECTED(length > INT_MAX)) {
1515 zend_error_noreturn(E_ERROR, "String overflow, max size is %d", INT_MAX);
1516 }
1517
1518 MAKE_STD_ZVAL(tmp);
1519 ZVAL_STRINGL(tmp, str, length, duplicate);
1520
1521 return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest);
1522 }
1523 /* }}} */
1524
add_get_index_long(zval * arg,ulong index,long l,void ** dest)1525 ZEND_API int add_get_index_long(zval *arg, ulong index, long l, void **dest) /* {{{ */
1526 {
1527 zval *tmp;
1528
1529 MAKE_STD_ZVAL(tmp);
1530 ZVAL_LONG(tmp, l);
1531
1532 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
1533 }
1534 /* }}} */
1535
add_get_index_double(zval * arg,ulong index,double d,void ** dest)1536 ZEND_API int add_get_index_double(zval *arg, ulong index, double d, void **dest) /* {{{ */
1537 {
1538 zval *tmp;
1539
1540 MAKE_STD_ZVAL(tmp);
1541 ZVAL_DOUBLE(tmp, d);
1542
1543 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
1544 }
1545 /* }}} */
1546
add_get_index_string(zval * arg,ulong index,const char * str,void ** dest,int duplicate)1547 ZEND_API int add_get_index_string(zval *arg, ulong index, const char *str, void **dest, int duplicate) /* {{{ */
1548 {
1549 zval *tmp;
1550
1551 MAKE_STD_ZVAL(tmp);
1552 ZVAL_STRING(tmp, str, duplicate);
1553
1554 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
1555 }
1556 /* }}} */
1557
add_get_index_stringl(zval * arg,ulong index,const char * str,uint length,void ** dest,int duplicate)1558 ZEND_API int add_get_index_stringl(zval *arg, ulong index, const char *str, uint length, void **dest, int duplicate) /* {{{ */
1559 {
1560 zval *tmp;
1561
1562 MAKE_STD_ZVAL(tmp);
1563 ZVAL_STRINGL(tmp, str, length, duplicate);
1564
1565 return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
1566 }
1567 /* }}} */
1568
array_set_zval_key(HashTable * ht,zval * key,zval * value)1569 ZEND_API int array_set_zval_key(HashTable *ht, zval *key, zval *value) /* {{{ */
1570 {
1571 int result;
1572
1573 switch (Z_TYPE_P(key)) {
1574 case IS_STRING:
1575 result = zend_symtable_update(ht, Z_STRVAL_P(key), Z_STRLEN_P(key) + 1, &value, sizeof(zval *), NULL);
1576 break;
1577 case IS_NULL:
1578 result = zend_symtable_update(ht, "", 1, &value, sizeof(zval *), NULL);
1579 break;
1580 case IS_RESOURCE:
1581 zend_error(E_STRICT, "Resource ID#%ld used as offset, casting to integer (%ld)", Z_LVAL_P(key), Z_LVAL_P(key));
1582 /* break missing intentionally */
1583 case IS_BOOL:
1584 case IS_LONG:
1585 result = zend_hash_index_update(ht, Z_LVAL_P(key), &value, sizeof(zval *), NULL);
1586 break;
1587 case IS_DOUBLE:
1588 result = zend_hash_index_update(ht, zend_dval_to_lval(Z_DVAL_P(key)), &value, sizeof(zval *), NULL);
1589 break;
1590 default:
1591 zend_error(E_WARNING, "Illegal offset type");
1592 result = FAILURE;
1593 }
1594
1595 if (result == SUCCESS) {
1596 Z_ADDREF_P(value);
1597 }
1598
1599 return result;
1600 }
1601 /* }}} */
1602
add_property_long_ex(zval * arg,const char * key,uint key_len,long n TSRMLS_DC)1603 ZEND_API int add_property_long_ex(zval *arg, const char *key, uint key_len, long n TSRMLS_DC) /* {{{ */
1604 {
1605 zval *tmp;
1606 zval *z_key;
1607
1608 MAKE_STD_ZVAL(tmp);
1609 ZVAL_LONG(tmp, n);
1610
1611 MAKE_STD_ZVAL(z_key);
1612 ZVAL_STRINGL(z_key, key, key_len-1, 1);
1613
1614 Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp, 0 TSRMLS_CC);
1615 zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1616 zval_ptr_dtor(&z_key);
1617 return SUCCESS;
1618 }
1619 /* }}} */
1620
add_property_bool_ex(zval * arg,const char * key,uint key_len,int b TSRMLS_DC)1621 ZEND_API int add_property_bool_ex(zval *arg, const char *key, uint key_len, int b TSRMLS_DC) /* {{{ */
1622 {
1623 zval *tmp;
1624 zval *z_key;
1625
1626 MAKE_STD_ZVAL(tmp);
1627 ZVAL_BOOL(tmp, b);
1628
1629 MAKE_STD_ZVAL(z_key);
1630 ZVAL_STRINGL(z_key, key, key_len-1, 1);
1631
1632 Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp, 0 TSRMLS_CC);
1633 zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1634 zval_ptr_dtor(&z_key);
1635 return SUCCESS;
1636 }
1637 /* }}} */
1638
add_property_null_ex(zval * arg,const char * key,uint key_len TSRMLS_DC)1639 ZEND_API int add_property_null_ex(zval *arg, const char *key, uint key_len TSRMLS_DC) /* {{{ */
1640 {
1641 zval *tmp;
1642 zval *z_key;
1643
1644 MAKE_STD_ZVAL(tmp);
1645 ZVAL_NULL(tmp);
1646
1647 MAKE_STD_ZVAL(z_key);
1648 ZVAL_STRINGL(z_key, key, key_len-1, 1);
1649
1650 Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp, 0 TSRMLS_CC);
1651 zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1652 zval_ptr_dtor(&z_key);
1653 return SUCCESS;
1654 }
1655 /* }}} */
1656
add_property_resource_ex(zval * arg,const char * key,uint key_len,long n TSRMLS_DC)1657 ZEND_API int add_property_resource_ex(zval *arg, const char *key, uint key_len, long n TSRMLS_DC) /* {{{ */
1658 {
1659 zval *tmp;
1660 zval *z_key;
1661
1662 MAKE_STD_ZVAL(tmp);
1663 ZVAL_RESOURCE(tmp, n);
1664
1665 MAKE_STD_ZVAL(z_key);
1666 ZVAL_STRINGL(z_key, key, key_len-1, 1);
1667
1668 Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp, 0 TSRMLS_CC);
1669 zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1670 zval_ptr_dtor(&z_key);
1671 return SUCCESS;
1672 }
1673 /* }}} */
1674
add_property_double_ex(zval * arg,const char * key,uint key_len,double d TSRMLS_DC)1675 ZEND_API int add_property_double_ex(zval *arg, const char *key, uint key_len, double d TSRMLS_DC) /* {{{ */
1676 {
1677 zval *tmp;
1678 zval *z_key;
1679
1680 MAKE_STD_ZVAL(tmp);
1681 ZVAL_DOUBLE(tmp, d);
1682
1683 MAKE_STD_ZVAL(z_key);
1684 ZVAL_STRINGL(z_key, key, key_len-1, 1);
1685
1686 Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp, 0 TSRMLS_CC);
1687 zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1688 zval_ptr_dtor(&z_key);
1689 return SUCCESS;
1690 }
1691 /* }}} */
1692
add_property_string_ex(zval * arg,const char * key,uint key_len,const char * str,int duplicate TSRMLS_DC)1693 ZEND_API int add_property_string_ex(zval *arg, const char *key, uint key_len, const char *str, int duplicate TSRMLS_DC) /* {{{ */
1694 {
1695 zval *tmp;
1696 zval *z_key;
1697 size_t _len = strlen(str);
1698
1699 if (UNEXPECTED(_len > INT_MAX)) {
1700 zend_error_noreturn(E_ERROR, "String overflow, max size is %d", INT_MAX);
1701 }
1702
1703 MAKE_STD_ZVAL(tmp);
1704 ZVAL_STRINGL(tmp, str, _len, duplicate);
1705
1706 MAKE_STD_ZVAL(z_key);
1707 ZVAL_STRINGL(z_key, key, key_len-1, 1);
1708
1709 Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp, 0 TSRMLS_CC);
1710 zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1711 zval_ptr_dtor(&z_key);
1712 return SUCCESS;
1713 }
1714 /* }}} */
1715
add_property_stringl_ex(zval * arg,const char * key,uint key_len,const char * str,uint length,int duplicate TSRMLS_DC)1716 ZEND_API int add_property_stringl_ex(zval *arg, const char *key, uint key_len, const char *str, uint length, int duplicate TSRMLS_DC) /* {{{ */
1717 {
1718 zval *tmp;
1719 zval *z_key;
1720
1721 if (UNEXPECTED(length > INT_MAX)) {
1722 zend_error_noreturn(E_ERROR, "String overflow, max size is %d", INT_MAX);
1723 }
1724
1725 MAKE_STD_ZVAL(tmp);
1726 ZVAL_STRINGL(tmp, str, length, duplicate);
1727
1728 MAKE_STD_ZVAL(z_key);
1729 ZVAL_STRINGL(z_key, key, key_len-1, 1);
1730
1731 Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp, 0 TSRMLS_CC);
1732 zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1733 zval_ptr_dtor(&z_key);
1734 return SUCCESS;
1735 }
1736 /* }}} */
1737
add_property_zval_ex(zval * arg,const char * key,uint key_len,zval * value TSRMLS_DC)1738 ZEND_API int add_property_zval_ex(zval *arg, const char *key, uint key_len, zval *value TSRMLS_DC) /* {{{ */
1739 {
1740 zval *z_key;
1741
1742 MAKE_STD_ZVAL(z_key);
1743 ZVAL_STRINGL(z_key, key, key_len-1, 1);
1744
1745 Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, value, 0 TSRMLS_CC);
1746 zval_ptr_dtor(&z_key);
1747 return SUCCESS;
1748 }
1749 /* }}} */
1750
zend_startup_module_ex(zend_module_entry * module TSRMLS_DC)1751 ZEND_API int zend_startup_module_ex(zend_module_entry *module TSRMLS_DC) /* {{{ */
1752 {
1753 int name_len;
1754 char *lcname;
1755
1756 if (module->module_started) {
1757 return SUCCESS;
1758 }
1759 module->module_started = 1;
1760
1761 /* Check module dependencies */
1762 if (module->deps) {
1763 const zend_module_dep *dep = module->deps;
1764
1765 while (dep->name) {
1766 if (dep->type == MODULE_DEP_REQUIRED) {
1767 zend_module_entry *req_mod;
1768
1769 name_len = strlen(dep->name);
1770 lcname = zend_str_tolower_dup(dep->name, name_len);
1771
1772 if (zend_hash_find(&module_registry, lcname, name_len+1, (void**)&req_mod) == FAILURE || !req_mod->module_started) {
1773 efree(lcname);
1774 /* TODO: Check version relationship */
1775 zend_error(E_CORE_WARNING, "Cannot load module '%s' because required module '%s' is not loaded", module->name, dep->name);
1776 module->module_started = 0;
1777 return FAILURE;
1778 }
1779 efree(lcname);
1780 }
1781 ++dep;
1782 }
1783 }
1784
1785 /* Initialize module globals */
1786 if (module->globals_size) {
1787 #ifdef ZTS
1788 ts_allocate_id(module->globals_id_ptr, module->globals_size, (ts_allocate_ctor) module->globals_ctor, (ts_allocate_dtor) module->globals_dtor);
1789 #else
1790 if (module->globals_ctor) {
1791 module->globals_ctor(module->globals_ptr TSRMLS_CC);
1792 }
1793 #endif
1794 }
1795 if (module->module_startup_func) {
1796 EG(current_module) = module;
1797 if (module->module_startup_func(module->type, module->module_number TSRMLS_CC)==FAILURE) {
1798 zend_error(E_CORE_ERROR,"Unable to start %s module", module->name);
1799 EG(current_module) = NULL;
1800 return FAILURE;
1801 }
1802 EG(current_module) = NULL;
1803 }
1804 return SUCCESS;
1805 }
1806 /* }}} */
1807
zend_startup_module_int(zend_module_entry * module TSRMLS_DC)1808 static int zend_startup_module_int(zend_module_entry *module TSRMLS_DC) /* {{{ */
1809 {
1810 return (zend_startup_module_ex(module TSRMLS_CC) == SUCCESS) ? ZEND_HASH_APPLY_KEEP : ZEND_HASH_APPLY_REMOVE;
1811 }
1812 /* }}} */
1813
zend_sort_modules(void * base,size_t count,size_t siz,compare_func_t compare TSRMLS_DC)1814 static void zend_sort_modules(void *base, size_t count, size_t siz, compare_func_t compare TSRMLS_DC) /* {{{ */
1815 {
1816 Bucket **b1 = base;
1817 Bucket **b2;
1818 Bucket **end = b1 + count;
1819 Bucket *tmp;
1820 zend_module_entry *m, *r;
1821
1822 while (b1 < end) {
1823 try_again:
1824 m = (zend_module_entry*)(*b1)->pData;
1825 if (!m->module_started && m->deps) {
1826 const zend_module_dep *dep = m->deps;
1827 while (dep->name) {
1828 if (dep->type == MODULE_DEP_REQUIRED || dep->type == MODULE_DEP_OPTIONAL) {
1829 b2 = b1 + 1;
1830 while (b2 < end) {
1831 r = (zend_module_entry*)(*b2)->pData;
1832 if (strcasecmp(dep->name, r->name) == 0) {
1833 tmp = *b1;
1834 *b1 = *b2;
1835 *b2 = tmp;
1836 goto try_again;
1837 }
1838 b2++;
1839 }
1840 }
1841 dep++;
1842 }
1843 }
1844 b1++;
1845 }
1846 }
1847 /* }}} */
1848
zend_collect_module_handlers(TSRMLS_D)1849 ZEND_API void zend_collect_module_handlers(TSRMLS_D) /* {{{ */
1850 {
1851 HashPosition pos;
1852 zend_module_entry *module;
1853 int startup_count = 0;
1854 int shutdown_count = 0;
1855 int post_deactivate_count = 0;
1856 zend_class_entry **pce;
1857 int class_count = 0;
1858
1859 /* Collect extensions with request startup/shutdown handlers */
1860 for (zend_hash_internal_pointer_reset_ex(&module_registry, &pos);
1861 zend_hash_get_current_data_ex(&module_registry, (void *) &module, &pos) == SUCCESS;
1862 zend_hash_move_forward_ex(&module_registry, &pos)) {
1863 if (module->request_startup_func) {
1864 startup_count++;
1865 }
1866 if (module->request_shutdown_func) {
1867 shutdown_count++;
1868 }
1869 if (module->post_deactivate_func) {
1870 post_deactivate_count++;
1871 }
1872 }
1873 module_request_startup_handlers = (zend_module_entry**)malloc(
1874 sizeof(zend_module_entry*) *
1875 (startup_count + 1 +
1876 shutdown_count + 1 +
1877 post_deactivate_count + 1));
1878 module_request_startup_handlers[startup_count] = NULL;
1879 module_request_shutdown_handlers = module_request_startup_handlers + startup_count + 1;
1880 module_request_shutdown_handlers[shutdown_count] = NULL;
1881 module_post_deactivate_handlers = module_request_shutdown_handlers + shutdown_count + 1;
1882 module_post_deactivate_handlers[post_deactivate_count] = NULL;
1883 startup_count = 0;
1884
1885 for (zend_hash_internal_pointer_reset_ex(&module_registry, &pos);
1886 zend_hash_get_current_data_ex(&module_registry, (void *) &module, &pos) == SUCCESS;
1887 zend_hash_move_forward_ex(&module_registry, &pos)) {
1888 if (module->request_startup_func) {
1889 module_request_startup_handlers[startup_count++] = module;
1890 }
1891 if (module->request_shutdown_func) {
1892 module_request_shutdown_handlers[--shutdown_count] = module;
1893 }
1894 if (module->post_deactivate_func) {
1895 module_post_deactivate_handlers[--post_deactivate_count] = module;
1896 }
1897 }
1898
1899 /* Collect internal classes with static members */
1900 for (zend_hash_internal_pointer_reset_ex(CG(class_table), &pos);
1901 zend_hash_get_current_data_ex(CG(class_table), (void *) &pce, &pos) == SUCCESS;
1902 zend_hash_move_forward_ex(CG(class_table), &pos)) {
1903 if ((*pce)->type == ZEND_INTERNAL_CLASS &&
1904 (*pce)->default_static_members_count > 0) {
1905 class_count++;
1906 }
1907 }
1908
1909 class_cleanup_handlers = (zend_class_entry**)malloc(
1910 sizeof(zend_class_entry*) *
1911 (class_count + 1));
1912 class_cleanup_handlers[class_count] = NULL;
1913
1914 if (class_count) {
1915 for (zend_hash_internal_pointer_reset_ex(CG(class_table), &pos);
1916 zend_hash_get_current_data_ex(CG(class_table), (void *) &pce, &pos) == SUCCESS;
1917 zend_hash_move_forward_ex(CG(class_table), &pos)) {
1918 if ((*pce)->type == ZEND_INTERNAL_CLASS &&
1919 (*pce)->default_static_members_count > 0) {
1920 class_cleanup_handlers[--class_count] = *pce;
1921 }
1922 }
1923 }
1924 }
1925 /* }}} */
1926
zend_startup_modules(TSRMLS_D)1927 ZEND_API int zend_startup_modules(TSRMLS_D) /* {{{ */
1928 {
1929 zend_hash_sort(&module_registry, zend_sort_modules, NULL, 0 TSRMLS_CC);
1930 zend_hash_apply(&module_registry, (apply_func_t)zend_startup_module_int TSRMLS_CC);
1931 return SUCCESS;
1932 }
1933 /* }}} */
1934
zend_destroy_modules(void)1935 ZEND_API void zend_destroy_modules(void) /* {{{ */
1936 {
1937 free(class_cleanup_handlers);
1938 free(module_request_startup_handlers);
1939 zend_hash_graceful_reverse_destroy(&module_registry);
1940 }
1941 /* }}} */
1942
zend_register_module_ex(zend_module_entry * module TSRMLS_DC)1943 ZEND_API zend_module_entry* zend_register_module_ex(zend_module_entry *module TSRMLS_DC) /* {{{ */
1944 {
1945 int name_len;
1946 char *lcname;
1947 zend_module_entry *module_ptr;
1948
1949 if (!module) {
1950 return NULL;
1951 }
1952
1953 #if 0
1954 zend_printf("%s: Registering module %d\n", module->name, module->module_number);
1955 #endif
1956
1957 /* Check module dependencies */
1958 if (module->deps) {
1959 const zend_module_dep *dep = module->deps;
1960
1961 while (dep->name) {
1962 if (dep->type == MODULE_DEP_CONFLICTS) {
1963 name_len = strlen(dep->name);
1964 lcname = zend_str_tolower_dup(dep->name, name_len);
1965
1966 if (zend_hash_exists(&module_registry, lcname, name_len+1)) {
1967 efree(lcname);
1968 /* TODO: Check version relationship */
1969 zend_error(E_CORE_WARNING, "Cannot load module '%s' because conflicting module '%s' is already loaded", module->name, dep->name);
1970 return NULL;
1971 }
1972 efree(lcname);
1973 }
1974 ++dep;
1975 }
1976 }
1977
1978 name_len = strlen(module->name);
1979 lcname = zend_str_tolower_dup(module->name, name_len);
1980
1981 if (zend_hash_add(&module_registry, lcname, name_len+1, (void *)module, sizeof(zend_module_entry), (void**)&module_ptr)==FAILURE) {
1982 zend_error(E_CORE_WARNING, "Module '%s' already loaded", module->name);
1983 efree(lcname);
1984 return NULL;
1985 }
1986 efree(lcname);
1987 module = module_ptr;
1988 EG(current_module) = module;
1989
1990 if (module->functions && zend_register_functions(NULL, module->functions, NULL, module->type TSRMLS_CC)==FAILURE) {
1991 EG(current_module) = NULL;
1992 zend_error(E_CORE_WARNING,"%s: Unable to register functions, unable to load", module->name);
1993 return NULL;
1994 }
1995
1996 EG(current_module) = NULL;
1997 return module;
1998 }
1999 /* }}} */
2000
zend_register_internal_module(zend_module_entry * module TSRMLS_DC)2001 ZEND_API zend_module_entry* zend_register_internal_module(zend_module_entry *module TSRMLS_DC) /* {{{ */
2002 {
2003 module->module_number = zend_next_free_module();
2004 module->type = MODULE_PERSISTENT;
2005 return zend_register_module_ex(module TSRMLS_CC);
2006 }
2007 /* }}} */
2008
zend_check_magic_method_implementation(const zend_class_entry * ce,const zend_function * fptr,int error_type TSRMLS_DC)2009 ZEND_API void zend_check_magic_method_implementation(const zend_class_entry *ce, const zend_function *fptr, int error_type TSRMLS_DC) /* {{{ */
2010 {
2011 char lcname[16];
2012 int name_len;
2013
2014 /* we don't care if the function name is longer, in fact lowercasing only
2015 * the beginning of the name speeds up the check process */
2016 name_len = strlen(fptr->common.function_name);
2017 zend_str_tolower_copy(lcname, fptr->common.function_name, MIN(name_len, sizeof(lcname)-1));
2018 lcname[sizeof(lcname)-1] = '\0'; /* zend_str_tolower_copy won't necessarily set the zero byte */
2019
2020 if (name_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1) && fptr->common.num_args != 0) {
2021 zend_error(error_type, "Destructor %s::%s() cannot take arguments", ce->name, ZEND_DESTRUCTOR_FUNC_NAME);
2022 } else if (name_len == sizeof(ZEND_CLONE_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME) - 1) && fptr->common.num_args != 0) {
2023 zend_error(error_type, "Method %s::%s() cannot accept any arguments", ce->name, ZEND_CLONE_FUNC_NAME);
2024 } else if (name_len == sizeof(ZEND_GET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME) - 1)) {
2025 if (fptr->common.num_args != 1) {
2026 zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_GET_FUNC_NAME);
2027 } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
2028 zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_GET_FUNC_NAME);
2029 }
2030 } else if (name_len == sizeof(ZEND_SET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME) - 1)) {
2031 if (fptr->common.num_args != 2) {
2032 zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, ZEND_SET_FUNC_NAME);
2033 } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
2034 zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_SET_FUNC_NAME);
2035 }
2036 } else if (name_len == sizeof(ZEND_UNSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME) - 1)) {
2037 if (fptr->common.num_args != 1) {
2038 zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_UNSET_FUNC_NAME);
2039 } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
2040 zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_UNSET_FUNC_NAME);
2041 }
2042 } else if (name_len == sizeof(ZEND_ISSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME) - 1)) {
2043 if (fptr->common.num_args != 1) {
2044 zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_ISSET_FUNC_NAME);
2045 } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
2046 zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_ISSET_FUNC_NAME);
2047 }
2048 } else if (name_len == sizeof(ZEND_CALL_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME) - 1)) {
2049 if (fptr->common.num_args != 2) {
2050 zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, ZEND_CALL_FUNC_NAME);
2051 } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
2052 zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_CALL_FUNC_NAME);
2053 }
2054 } else if (name_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME) - 1 &&
2055 !memcmp(lcname, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1)
2056 ) {
2057 if (fptr->common.num_args != 2) {
2058 zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, ZEND_CALLSTATIC_FUNC_NAME);
2059 } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
2060 zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_CALLSTATIC_FUNC_NAME);
2061 }
2062 } else if (name_len == sizeof(ZEND_TOSTRING_FUNC_NAME) - 1 &&
2063 !memcmp(lcname, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && fptr->common.num_args != 0
2064 ) {
2065 zend_error(error_type, "Method %s::%s() cannot take arguments", ce->name, ZEND_TOSTRING_FUNC_NAME);
2066 } else if (name_len == sizeof(ZEND_DEBUGINFO_FUNC_NAME) - 1 &&
2067 !memcmp(lcname, ZEND_DEBUGINFO_FUNC_NAME, sizeof(ZEND_DEBUGINFO_FUNC_NAME)-1) && fptr->common.num_args != 0) {
2068 zend_error(error_type, "Method %s::%s() cannot take arguments", ce->name, ZEND_DEBUGINFO_FUNC_NAME);
2069 }
2070 }
2071 /* }}} */
2072
2073 /* registers all functions in *library_functions in the function hash */
zend_register_functions(zend_class_entry * scope,const zend_function_entry * functions,HashTable * function_table,int type TSRMLS_DC)2074 ZEND_API int zend_register_functions(zend_class_entry *scope, const zend_function_entry *functions, HashTable *function_table, int type TSRMLS_DC) /* {{{ */
2075 {
2076 const zend_function_entry *ptr = functions;
2077 zend_function function, *reg_function;
2078 zend_internal_function *internal_function = (zend_internal_function *)&function;
2079 int count=0, unload=0;
2080 HashTable *target_function_table = function_table;
2081 int error_type;
2082 zend_function *ctor = NULL, *dtor = NULL, *clone = NULL, *__get = NULL, *__set = NULL, *__unset = NULL, *__isset = NULL, *__call = NULL, *__callstatic = NULL, *__tostring = NULL, *__debugInfo = NULL;
2083 const char *lowercase_name;
2084 int fname_len;
2085 const char *lc_class_name = NULL;
2086 int class_name_len = 0;
2087 zend_ulong hash;
2088
2089 if (type==MODULE_PERSISTENT) {
2090 error_type = E_CORE_WARNING;
2091 } else {
2092 error_type = E_WARNING;
2093 }
2094
2095 if (!target_function_table) {
2096 target_function_table = CG(function_table);
2097 }
2098 internal_function->type = ZEND_INTERNAL_FUNCTION;
2099 internal_function->module = EG(current_module);
2100
2101 if (scope) {
2102 class_name_len = strlen(scope->name);
2103 if ((lc_class_name = zend_memrchr(scope->name, '\\', class_name_len))) {
2104 ++lc_class_name;
2105 class_name_len -= (lc_class_name - scope->name);
2106 lc_class_name = zend_str_tolower_dup(lc_class_name, class_name_len);
2107 } else {
2108 lc_class_name = zend_str_tolower_dup(scope->name, class_name_len);
2109 }
2110 }
2111
2112 while (ptr->fname) {
2113 internal_function->handler = ptr->handler;
2114 internal_function->function_name = (char*)ptr->fname;
2115 internal_function->scope = scope;
2116 internal_function->prototype = NULL;
2117 if (ptr->flags) {
2118 if (!(ptr->flags & ZEND_ACC_PPP_MASK)) {
2119 if (ptr->flags != ZEND_ACC_DEPRECATED || scope) {
2120 zend_error(error_type, "Invalid access level for %s%s%s() - access must be exactly one of public, protected or private", scope ? scope->name : "", scope ? "::" : "", ptr->fname);
2121 }
2122 internal_function->fn_flags = ZEND_ACC_PUBLIC | ptr->flags;
2123 } else {
2124 internal_function->fn_flags = ptr->flags;
2125 }
2126 } else {
2127 internal_function->fn_flags = ZEND_ACC_PUBLIC;
2128 }
2129 if (ptr->arg_info) {
2130 zend_internal_function_info *info = (zend_internal_function_info*)ptr->arg_info;
2131
2132 internal_function->arg_info = (zend_arg_info*)ptr->arg_info+1;
2133 internal_function->num_args = ptr->num_args;
2134 /* Currently you cannot denote that the function can accept less arguments than num_args */
2135 if (info->required_num_args == -1) {
2136 internal_function->required_num_args = ptr->num_args;
2137 } else {
2138 internal_function->required_num_args = info->required_num_args;
2139 }
2140 if (info->return_reference) {
2141 internal_function->fn_flags |= ZEND_ACC_RETURN_REFERENCE;
2142 }
2143 if (ptr->arg_info[ptr->num_args].is_variadic) {
2144 internal_function->fn_flags |= ZEND_ACC_VARIADIC;
2145 }
2146 } else {
2147 internal_function->arg_info = NULL;
2148 internal_function->num_args = 0;
2149 internal_function->required_num_args = 0;
2150 }
2151 if (ptr->flags & ZEND_ACC_ABSTRACT) {
2152 if (scope) {
2153 /* This is a class that must be abstract itself. Here we set the check info. */
2154 scope->ce_flags |= ZEND_ACC_IMPLICIT_ABSTRACT_CLASS;
2155 if (!(scope->ce_flags & ZEND_ACC_INTERFACE)) {
2156 /* Since the class is not an interface it needs to be declared as a abstract class. */
2157 /* Since here we are handling internal functions only we can add the keyword flag. */
2158 /* This time we set the flag for the keyword 'abstract'. */
2159 scope->ce_flags |= ZEND_ACC_EXPLICIT_ABSTRACT_CLASS;
2160 }
2161 }
2162 if (ptr->flags & ZEND_ACC_STATIC && (!scope || !(scope->ce_flags & ZEND_ACC_INTERFACE))) {
2163 zend_error(error_type, "Static function %s%s%s() cannot be abstract", scope ? scope->name : "", scope ? "::" : "", ptr->fname);
2164 }
2165 } else {
2166 if (scope && (scope->ce_flags & ZEND_ACC_INTERFACE)) {
2167 efree((char*)lc_class_name);
2168 zend_error(error_type, "Interface %s cannot contain non abstract method %s()", scope->name, ptr->fname);
2169 return FAILURE;
2170 }
2171 if (!internal_function->handler) {
2172 if (scope) {
2173 efree((char*)lc_class_name);
2174 }
2175 zend_error(error_type, "Method %s%s%s() cannot be a NULL function", scope ? scope->name : "", scope ? "::" : "", ptr->fname);
2176 zend_unregister_functions(functions, count, target_function_table TSRMLS_CC);
2177 return FAILURE;
2178 }
2179 }
2180 fname_len = strlen(ptr->fname);
2181 lowercase_name = zend_new_interned_string(zend_str_tolower_dup(ptr->fname, fname_len), fname_len + 1, 1 TSRMLS_CC);
2182 hash = str_hash(lowercase_name, fname_len);
2183 if (zend_hash_quick_add(target_function_table, lowercase_name, fname_len+1, hash, &function, sizeof(zend_function), (void**)®_function) == FAILURE) {
2184 unload=1;
2185 str_efree(lowercase_name);
2186 break;
2187 }
2188
2189 /* If types of arguments have to be checked */
2190 if (reg_function->common.arg_info && reg_function->common.num_args) {
2191 int i;
2192 for (i = 0; i < reg_function->common.num_args; i++) {
2193 if (reg_function->common.arg_info[i].class_name ||
2194 reg_function->common.arg_info[i].type_hint) {
2195 reg_function->common.fn_flags |= ZEND_ACC_HAS_TYPE_HINTS;
2196 break;
2197 }
2198 }
2199 }
2200
2201 if (scope) {
2202 /* Look for ctor, dtor, clone
2203 * If it's an old-style constructor, store it only if we don't have
2204 * a constructor already.
2205 */
2206 if ((fname_len == class_name_len) && !ctor && !memcmp(lowercase_name, lc_class_name, class_name_len+1)) {
2207 ctor = reg_function;
2208 } else if ((fname_len == sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME) - 1)) {
2209 ctor = reg_function;
2210 } else if ((fname_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1)) {
2211 dtor = reg_function;
2212 if (internal_function->num_args) {
2213 zend_error(error_type, "Destructor %s::%s() cannot take arguments", scope->name, ptr->fname);
2214 }
2215 } else if ((fname_len == sizeof(ZEND_CLONE_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME) - 1)) {
2216 clone = reg_function;
2217 } else if ((fname_len == sizeof(ZEND_CALL_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME) - 1)) {
2218 __call = reg_function;
2219 } else if ((fname_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME) - 1)) {
2220 __callstatic = reg_function;
2221 } else if ((fname_len == sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME) - 1)) {
2222 __tostring = reg_function;
2223 } else if ((fname_len == sizeof(ZEND_GET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME) - 1)) {
2224 __get = reg_function;
2225 } else if ((fname_len == sizeof(ZEND_SET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME) - 1)) {
2226 __set = reg_function;
2227 } else if ((fname_len == sizeof(ZEND_UNSET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME) - 1)) {
2228 __unset = reg_function;
2229 } else if ((fname_len == sizeof(ZEND_ISSET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME) - 1)) {
2230 __isset = reg_function;
2231 } else if ((fname_len == sizeof(ZEND_DEBUGINFO_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_DEBUGINFO_FUNC_NAME, sizeof(ZEND_DEBUGINFO_FUNC_NAME) - 1)) {
2232 __debugInfo = reg_function;
2233 } else {
2234 reg_function = NULL;
2235 }
2236 if (reg_function) {
2237 zend_check_magic_method_implementation(scope, reg_function, error_type TSRMLS_CC);
2238 }
2239 }
2240 ptr++;
2241 count++;
2242 str_efree(lowercase_name);
2243 }
2244 if (unload) { /* before unloading, display all remaining bad function in the module */
2245 if (scope) {
2246 efree((char*)lc_class_name);
2247 }
2248 while (ptr->fname) {
2249 fname_len = strlen(ptr->fname);
2250 lowercase_name = zend_str_tolower_dup(ptr->fname, fname_len);
2251 if (zend_hash_exists(target_function_table, lowercase_name, fname_len+1)) {
2252 zend_error(error_type, "Function registration failed - duplicate name - %s%s%s", scope ? scope->name : "", scope ? "::" : "", ptr->fname);
2253 }
2254 efree((char*)lowercase_name);
2255 ptr++;
2256 }
2257 zend_unregister_functions(functions, count, target_function_table TSRMLS_CC);
2258 return FAILURE;
2259 }
2260 if (scope) {
2261 scope->constructor = ctor;
2262 scope->destructor = dtor;
2263 scope->clone = clone;
2264 scope->__call = __call;
2265 scope->__callstatic = __callstatic;
2266 scope->__tostring = __tostring;
2267 scope->__get = __get;
2268 scope->__set = __set;
2269 scope->__unset = __unset;
2270 scope->__isset = __isset;
2271 scope->__debugInfo = __debugInfo;
2272 if (ctor) {
2273 ctor->common.fn_flags |= ZEND_ACC_CTOR;
2274 if (ctor->common.fn_flags & ZEND_ACC_STATIC) {
2275 zend_error(error_type, "Constructor %s::%s() cannot be static", scope->name, ctor->common.function_name);
2276 }
2277 ctor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2278 }
2279 if (dtor) {
2280 dtor->common.fn_flags |= ZEND_ACC_DTOR;
2281 if (dtor->common.fn_flags & ZEND_ACC_STATIC) {
2282 zend_error(error_type, "Destructor %s::%s() cannot be static", scope->name, dtor->common.function_name);
2283 }
2284 dtor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2285 }
2286 if (clone) {
2287 clone->common.fn_flags |= ZEND_ACC_CLONE;
2288 if (clone->common.fn_flags & ZEND_ACC_STATIC) {
2289 zend_error(error_type, "Constructor %s::%s() cannot be static", scope->name, clone->common.function_name);
2290 }
2291 clone->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2292 }
2293 if (__call) {
2294 if (__call->common.fn_flags & ZEND_ACC_STATIC) {
2295 zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __call->common.function_name);
2296 }
2297 __call->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2298 }
2299 if (__callstatic) {
2300 if (!(__callstatic->common.fn_flags & ZEND_ACC_STATIC)) {
2301 zend_error(error_type, "Method %s::%s() must be static", scope->name, __callstatic->common.function_name);
2302 }
2303 __callstatic->common.fn_flags |= ZEND_ACC_STATIC;
2304 }
2305 if (__tostring) {
2306 if (__tostring->common.fn_flags & ZEND_ACC_STATIC) {
2307 zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __tostring->common.function_name);
2308 }
2309 __tostring->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2310 }
2311 if (__get) {
2312 if (__get->common.fn_flags & ZEND_ACC_STATIC) {
2313 zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __get->common.function_name);
2314 }
2315 __get->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2316 }
2317 if (__set) {
2318 if (__set->common.fn_flags & ZEND_ACC_STATIC) {
2319 zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __set->common.function_name);
2320 }
2321 __set->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2322 }
2323 if (__unset) {
2324 if (__unset->common.fn_flags & ZEND_ACC_STATIC) {
2325 zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __unset->common.function_name);
2326 }
2327 __unset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2328 }
2329 if (__isset) {
2330 if (__isset->common.fn_flags & ZEND_ACC_STATIC) {
2331 zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __isset->common.function_name);
2332 }
2333 __isset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2334 }
2335 if (__debugInfo) {
2336 if (__debugInfo->common.fn_flags & ZEND_ACC_STATIC) {
2337 zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __debugInfo->common.function_name);
2338 }
2339 }
2340 efree((char*)lc_class_name);
2341 }
2342 return SUCCESS;
2343 }
2344 /* }}} */
2345
2346 /* count=-1 means erase all functions, otherwise,
2347 * erase the first count functions
2348 */
zend_unregister_functions(const zend_function_entry * functions,int count,HashTable * function_table TSRMLS_DC)2349 ZEND_API void zend_unregister_functions(const zend_function_entry *functions, int count, HashTable *function_table TSRMLS_DC) /* {{{ */
2350 {
2351 const zend_function_entry *ptr = functions;
2352 int i=0;
2353 HashTable *target_function_table = function_table;
2354
2355 if (!target_function_table) {
2356 target_function_table = CG(function_table);
2357 }
2358 while (ptr->fname) {
2359 if (count!=-1 && i>=count) {
2360 break;
2361 }
2362 #if 0
2363 zend_printf("Unregistering %s()\n", ptr->fname);
2364 #endif
2365 zend_hash_del(target_function_table, ptr->fname, strlen(ptr->fname)+1);
2366 ptr++;
2367 i++;
2368 }
2369 }
2370 /* }}} */
2371
zend_startup_module(zend_module_entry * module)2372 ZEND_API int zend_startup_module(zend_module_entry *module) /* {{{ */
2373 {
2374 TSRMLS_FETCH();
2375
2376 if ((module = zend_register_internal_module(module TSRMLS_CC)) != NULL && zend_startup_module_ex(module TSRMLS_CC) == SUCCESS) {
2377 return SUCCESS;
2378 }
2379 return FAILURE;
2380 }
2381 /* }}} */
2382
zend_get_module_started(const char * module_name)2383 ZEND_API int zend_get_module_started(const char *module_name) /* {{{ */
2384 {
2385 zend_module_entry *module;
2386
2387 return (zend_hash_find(&module_registry, module_name, strlen(module_name)+1, (void**)&module) == SUCCESS && module->module_started) ? SUCCESS : FAILURE;
2388 }
2389 /* }}} */
2390
clean_module_class(const zend_class_entry ** ce,int * module_number TSRMLS_DC)2391 static int clean_module_class(const zend_class_entry **ce, int *module_number TSRMLS_DC) /* {{{ */
2392 {
2393 if ((*ce)->type == ZEND_INTERNAL_CLASS && (*ce)->info.internal.module->module_number == *module_number) {
2394 return ZEND_HASH_APPLY_REMOVE;
2395 } else {
2396 return ZEND_HASH_APPLY_KEEP;
2397 }
2398 }
2399 /* }}} */
2400
clean_module_classes(int module_number TSRMLS_DC)2401 static void clean_module_classes(int module_number TSRMLS_DC) /* {{{ */
2402 {
2403 zend_hash_apply_with_argument(EG(class_table), (apply_func_arg_t) clean_module_class, (void *) &module_number TSRMLS_CC);
2404 }
2405 /* }}} */
2406
module_destructor(zend_module_entry * module)2407 void module_destructor(zend_module_entry *module) /* {{{ */
2408 {
2409 TSRMLS_FETCH();
2410
2411 if (module->type == MODULE_TEMPORARY) {
2412 zend_clean_module_rsrc_dtors(module->module_number TSRMLS_CC);
2413 clean_module_constants(module->module_number TSRMLS_CC);
2414 clean_module_classes(module->module_number TSRMLS_CC);
2415 }
2416
2417 if (module->module_started && module->module_shutdown_func) {
2418 #if 0
2419 zend_printf("%s: Module shutdown\n", module->name);
2420 #endif
2421 module->module_shutdown_func(module->type, module->module_number TSRMLS_CC);
2422 }
2423
2424 /* Deinitilaise module globals */
2425 if (module->globals_size) {
2426 #ifdef ZTS
2427 if (*module->globals_id_ptr) {
2428 ts_free_id(*module->globals_id_ptr);
2429 }
2430 #else
2431 if (module->globals_dtor) {
2432 module->globals_dtor(module->globals_ptr TSRMLS_CC);
2433 }
2434 #endif
2435 }
2436
2437 module->module_started=0;
2438 if (module->functions) {
2439 zend_unregister_functions(module->functions, -1, NULL TSRMLS_CC);
2440 }
2441
2442 #if HAVE_LIBDL
2443 #if !(defined(NETWARE) && defined(APACHE_1_BUILD))
2444 if (module->handle && !getenv("ZEND_DONT_UNLOAD_MODULES")) {
2445 DL_UNLOAD(module->handle);
2446 }
2447 #endif
2448 #endif
2449 }
2450 /* }}} */
2451
zend_activate_modules(TSRMLS_D)2452 ZEND_API void zend_activate_modules(TSRMLS_D) /* {{{ */
2453 {
2454 zend_module_entry **p = module_request_startup_handlers;
2455
2456 while (*p) {
2457 zend_module_entry *module = *p;
2458
2459 if (module->request_startup_func(module->type, module->module_number TSRMLS_CC)==FAILURE) {
2460 zend_error(E_WARNING, "request_startup() for %s module failed", module->name);
2461 exit(1);
2462 }
2463 p++;
2464 }
2465 }
2466 /* }}} */
2467
2468 /* call request shutdown for all modules */
module_registry_cleanup(zend_module_entry * module TSRMLS_DC)2469 int module_registry_cleanup(zend_module_entry *module TSRMLS_DC) /* {{{ */
2470 {
2471 if (module->request_shutdown_func) {
2472 #if 0
2473 zend_printf("%s: Request shutdown\n", module->name);
2474 #endif
2475 module->request_shutdown_func(module->type, module->module_number TSRMLS_CC);
2476 }
2477 return 0;
2478 }
2479 /* }}} */
2480
zend_deactivate_modules(TSRMLS_D)2481 ZEND_API void zend_deactivate_modules(TSRMLS_D) /* {{{ */
2482 {
2483 EG(opline_ptr) = NULL; /* we're no longer executing anything */
2484
2485 zend_try {
2486 if (EG(full_tables_cleanup)) {
2487 zend_hash_reverse_apply(&module_registry, (apply_func_t) module_registry_cleanup TSRMLS_CC);
2488 } else {
2489 zend_module_entry **p = module_request_shutdown_handlers;
2490
2491 while (*p) {
2492 zend_module_entry *module = *p;
2493
2494 module->request_shutdown_func(module->type, module->module_number TSRMLS_CC);
2495 p++;
2496 }
2497 }
2498 } zend_end_try();
2499 }
2500 /* }}} */
2501
zend_cleanup_internal_classes(TSRMLS_D)2502 ZEND_API void zend_cleanup_internal_classes(TSRMLS_D) /* {{{ */
2503 {
2504 zend_class_entry **p = class_cleanup_handlers;
2505
2506 while (*p) {
2507 zend_cleanup_internal_class_data(*p TSRMLS_CC);
2508 p++;
2509 }
2510 }
2511 /* }}} */
2512
module_registry_unload_temp(const zend_module_entry * module TSRMLS_DC)2513 int module_registry_unload_temp(const zend_module_entry *module TSRMLS_DC) /* {{{ */
2514 {
2515 return (module->type == MODULE_TEMPORARY) ? ZEND_HASH_APPLY_REMOVE : ZEND_HASH_APPLY_STOP;
2516 }
2517 /* }}} */
2518
exec_done_cb(zend_module_entry * module TSRMLS_DC)2519 static int exec_done_cb(zend_module_entry *module TSRMLS_DC) /* {{{ */
2520 {
2521 if (module->post_deactivate_func) {
2522 module->post_deactivate_func();
2523 }
2524 return 0;
2525 }
2526 /* }}} */
2527
zend_post_deactivate_modules(TSRMLS_D)2528 ZEND_API void zend_post_deactivate_modules(TSRMLS_D) /* {{{ */
2529 {
2530 if (EG(full_tables_cleanup)) {
2531 zend_hash_apply(&module_registry, (apply_func_t) exec_done_cb TSRMLS_CC);
2532 zend_hash_reverse_apply(&module_registry, (apply_func_t) module_registry_unload_temp TSRMLS_CC);
2533 } else {
2534 zend_module_entry **p = module_post_deactivate_handlers;
2535
2536 while (*p) {
2537 zend_module_entry *module = *p;
2538
2539 module->post_deactivate_func();
2540 p++;
2541 }
2542 }
2543 }
2544 /* }}} */
2545
2546 /* return the next free module number */
zend_next_free_module(void)2547 ZEND_API int zend_next_free_module(void) /* {{{ */
2548 {
2549 return zend_hash_num_elements(&module_registry) + 1;
2550 }
2551 /* }}} */
2552
do_register_internal_class(zend_class_entry * orig_class_entry,zend_uint ce_flags TSRMLS_DC)2553 static zend_class_entry *do_register_internal_class(zend_class_entry *orig_class_entry, zend_uint ce_flags TSRMLS_DC) /* {{{ */
2554 {
2555 zend_class_entry *class_entry = malloc(sizeof(zend_class_entry));
2556 char *lowercase_name = emalloc(orig_class_entry->name_length + 1);
2557 zend_ulong hash;
2558 *class_entry = *orig_class_entry;
2559
2560 class_entry->type = ZEND_INTERNAL_CLASS;
2561 zend_initialize_class_data(class_entry, 0 TSRMLS_CC);
2562 class_entry->ce_flags = ce_flags;
2563 class_entry->info.internal.module = EG(current_module);
2564
2565 if (class_entry->info.internal.builtin_functions) {
2566 zend_register_functions(class_entry, class_entry->info.internal.builtin_functions, &class_entry->function_table, MODULE_PERSISTENT TSRMLS_CC);
2567 }
2568
2569 zend_str_tolower_copy(lowercase_name, orig_class_entry->name, class_entry->name_length);
2570 lowercase_name = (char*)zend_new_interned_string(lowercase_name, class_entry->name_length + 1, 1 TSRMLS_CC);
2571 hash = str_hash(lowercase_name, class_entry->name_length);
2572 zend_hash_quick_update(CG(class_table), lowercase_name, class_entry->name_length+1, hash, &class_entry, sizeof(zend_class_entry *), NULL);
2573 str_efree(lowercase_name);
2574 return class_entry;
2575 }
2576 /* }}} */
2577
2578 /* If parent_ce is not NULL then it inherits from parent_ce
2579 * If parent_ce is NULL and parent_name isn't then it looks for the parent and inherits from it
2580 * If both parent_ce and parent_name are NULL it does a regular class registration
2581 * If parent_name is specified but not found NULL is returned
2582 */
zend_register_internal_class_ex(zend_class_entry * class_entry,zend_class_entry * parent_ce,char * parent_name TSRMLS_DC)2583 ZEND_API zend_class_entry *zend_register_internal_class_ex(zend_class_entry *class_entry, zend_class_entry *parent_ce, char *parent_name TSRMLS_DC) /* {{{ */
2584 {
2585 zend_class_entry *register_class;
2586
2587 if (!parent_ce && parent_name) {
2588 zend_class_entry **pce;
2589 if (zend_hash_find(CG(class_table), parent_name, strlen(parent_name)+1, (void **) &pce)==FAILURE) {
2590 return NULL;
2591 } else {
2592 parent_ce = *pce;
2593 }
2594 }
2595
2596 register_class = zend_register_internal_class(class_entry TSRMLS_CC);
2597
2598 if (parent_ce) {
2599 zend_do_inheritance(register_class, parent_ce TSRMLS_CC);
2600 }
2601 return register_class;
2602 }
2603 /* }}} */
2604
zend_class_implements(zend_class_entry * class_entry TSRMLS_DC,int num_interfaces,...)2605 ZEND_API void zend_class_implements(zend_class_entry *class_entry TSRMLS_DC, int num_interfaces, ...) /* {{{ */
2606 {
2607 zend_class_entry *interface_entry;
2608 va_list interface_list;
2609 va_start(interface_list, num_interfaces);
2610
2611 while (num_interfaces--) {
2612 interface_entry = va_arg(interface_list, zend_class_entry *);
2613 zend_do_implement_interface(class_entry, interface_entry TSRMLS_CC);
2614 }
2615
2616 va_end(interface_list);
2617 }
2618 /* }}} */
2619
2620 /* A class that contains at least one abstract method automatically becomes an abstract class.
2621 */
zend_register_internal_class(zend_class_entry * orig_class_entry TSRMLS_DC)2622 ZEND_API zend_class_entry *zend_register_internal_class(zend_class_entry *orig_class_entry TSRMLS_DC) /* {{{ */
2623 {
2624 return do_register_internal_class(orig_class_entry, 0 TSRMLS_CC);
2625 }
2626 /* }}} */
2627
zend_register_internal_interface(zend_class_entry * orig_class_entry TSRMLS_DC)2628 ZEND_API zend_class_entry *zend_register_internal_interface(zend_class_entry *orig_class_entry TSRMLS_DC) /* {{{ */
2629 {
2630 return do_register_internal_class(orig_class_entry, ZEND_ACC_INTERFACE TSRMLS_CC);
2631 }
2632 /* }}} */
2633
zend_register_class_alias_ex(const char * name,int name_len,zend_class_entry * ce TSRMLS_DC)2634 ZEND_API int zend_register_class_alias_ex(const char *name, int name_len, zend_class_entry *ce TSRMLS_DC) /* {{{ */
2635 {
2636 char *lcname = zend_str_tolower_dup(name, name_len);
2637 int ret;
2638
2639 if (lcname[0] == '\\') {
2640 ret = zend_hash_add(CG(class_table), lcname+1, name_len, &ce, sizeof(zend_class_entry *), NULL);
2641 } else {
2642 ret = zend_hash_add(CG(class_table), lcname, name_len+1, &ce, sizeof(zend_class_entry *), NULL);
2643 }
2644
2645 efree(lcname);
2646 if (ret == SUCCESS) {
2647 ce->refcount++;
2648 }
2649 return ret;
2650 }
2651 /* }}} */
2652
zend_set_hash_symbol(zval * symbol,const char * name,int name_length,zend_bool is_ref,int num_symbol_tables,...)2653 ZEND_API int zend_set_hash_symbol(zval *symbol, const char *name, int name_length, zend_bool is_ref, int num_symbol_tables, ...) /* {{{ */
2654 {
2655 HashTable *symbol_table;
2656 va_list symbol_table_list;
2657
2658 if (num_symbol_tables <= 0) return FAILURE;
2659
2660 Z_SET_ISREF_TO_P(symbol, is_ref);
2661
2662 va_start(symbol_table_list, num_symbol_tables);
2663 while (num_symbol_tables-- > 0) {
2664 symbol_table = va_arg(symbol_table_list, HashTable *);
2665 zend_hash_update(symbol_table, name, name_length + 1, &symbol, sizeof(zval *), NULL);
2666 zval_add_ref(&symbol);
2667 }
2668 va_end(symbol_table_list);
2669 return SUCCESS;
2670 }
2671 /* }}} */
2672
2673 /* Disabled functions support */
2674
2675 /* {{{ proto void display_disabled_function(void)
2676 Dummy function which displays an error when a disabled function is called. */
ZEND_FUNCTION(display_disabled_function)2677 ZEND_API ZEND_FUNCTION(display_disabled_function)
2678 {
2679 zend_error(E_WARNING, "%s() has been disabled for security reasons", get_active_function_name(TSRMLS_C));
2680 }
2681 /* }}} */
2682
zend_disable_function(char * function_name,uint function_name_length TSRMLS_DC)2683 ZEND_API int zend_disable_function(char *function_name, uint function_name_length TSRMLS_DC) /* {{{ */
2684 {
2685 zend_internal_function *func;
2686 if (zend_hash_find(CG(function_table), function_name, function_name_length+1, (void **)&func)==SUCCESS) {
2687 func->arg_info = NULL;
2688 func->handler = ZEND_FN(display_disabled_function);
2689 return SUCCESS;
2690 }
2691 return FAILURE;
2692 }
2693 /* }}} */
2694
2695 #ifdef ZEND_WIN32
2696 #pragma optimize("", off)
2697 #endif
display_disabled_class(zend_class_entry * class_type TSRMLS_DC)2698 static zend_object_value display_disabled_class(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
2699 {
2700 zend_object_value retval;
2701 zend_object *intern;
2702 retval = zend_objects_new(&intern, class_type TSRMLS_CC);
2703 zend_error(E_WARNING, "%s() has been disabled for security reasons", class_type->name);
2704 return retval;
2705 }
2706 #ifdef ZEND_WIN32
2707 #pragma optimize("", on)
2708 #endif
2709 /* }}} */
2710
2711 static const zend_function_entry disabled_class_new[] = {
2712 ZEND_FE_END
2713 };
2714
zend_disable_class(char * class_name,uint class_name_length TSRMLS_DC)2715 ZEND_API int zend_disable_class(char *class_name, uint class_name_length TSRMLS_DC) /* {{{ */
2716 {
2717 zend_class_entry **disabled_class;
2718
2719 zend_str_tolower(class_name, class_name_length);
2720 if (zend_hash_find(CG(class_table), class_name, class_name_length+1, (void **)&disabled_class)==FAILURE) {
2721 return FAILURE;
2722 }
2723 INIT_CLASS_ENTRY_INIT_METHODS((**disabled_class), disabled_class_new, NULL, NULL, NULL, NULL, NULL);
2724 (*disabled_class)->create_object = display_disabled_class;
2725 zend_hash_clean(&((*disabled_class)->function_table));
2726 return SUCCESS;
2727 }
2728 /* }}} */
2729
zend_is_callable_check_class(const char * name,int name_len,zend_fcall_info_cache * fcc,int * strict_class,char ** error TSRMLS_DC)2730 static int zend_is_callable_check_class(const char *name, int name_len, zend_fcall_info_cache *fcc, int *strict_class, char **error TSRMLS_DC) /* {{{ */
2731 {
2732 int ret = 0;
2733 zend_class_entry **pce;
2734 char *lcname = zend_str_tolower_dup(name, name_len);
2735
2736 *strict_class = 0;
2737 if (name_len == sizeof("self") - 1 &&
2738 !memcmp(lcname, "self", sizeof("self") - 1)) {
2739 if (!EG(scope)) {
2740 if (error) *error = estrdup("cannot access self:: when no class scope is active");
2741 } else {
2742 fcc->called_scope = EG(called_scope);
2743 fcc->calling_scope = EG(scope);
2744 if (!fcc->object_ptr) {
2745 fcc->object_ptr = EG(This);
2746 }
2747 ret = 1;
2748 }
2749 } else if (name_len == sizeof("parent") - 1 &&
2750 !memcmp(lcname, "parent", sizeof("parent") - 1)) {
2751 if (!EG(scope)) {
2752 if (error) *error = estrdup("cannot access parent:: when no class scope is active");
2753 } else if (!EG(scope)->parent) {
2754 if (error) *error = estrdup("cannot access parent:: when current class scope has no parent");
2755 } else {
2756 fcc->called_scope = EG(called_scope);
2757 fcc->calling_scope = EG(scope)->parent;
2758 if (!fcc->object_ptr) {
2759 fcc->object_ptr = EG(This);
2760 }
2761 *strict_class = 1;
2762 ret = 1;
2763 }
2764 } else if (name_len == sizeof("static") - 1 &&
2765 !memcmp(lcname, "static", sizeof("static") - 1)) {
2766 if (!EG(called_scope)) {
2767 if (error) *error = estrdup("cannot access static:: when no class scope is active");
2768 } else {
2769 fcc->called_scope = EG(called_scope);
2770 fcc->calling_scope = EG(called_scope);
2771 if (!fcc->object_ptr) {
2772 fcc->object_ptr = EG(This);
2773 }
2774 *strict_class = 1;
2775 ret = 1;
2776 }
2777 } else if (zend_lookup_class_ex(name, name_len, NULL, 1, &pce TSRMLS_CC) == SUCCESS) {
2778 zend_class_entry *scope = EG(active_op_array) ? EG(active_op_array)->scope : NULL;
2779
2780 fcc->calling_scope = *pce;
2781 if (scope && !fcc->object_ptr && EG(This) &&
2782 instanceof_function(Z_OBJCE_P(EG(This)), scope TSRMLS_CC) &&
2783 instanceof_function(scope, fcc->calling_scope TSRMLS_CC)) {
2784 fcc->object_ptr = EG(This);
2785 fcc->called_scope = Z_OBJCE_P(fcc->object_ptr);
2786 } else {
2787 fcc->called_scope = fcc->object_ptr ? Z_OBJCE_P(fcc->object_ptr) : fcc->calling_scope;
2788 }
2789 *strict_class = 1;
2790 ret = 1;
2791 } else {
2792 if (error) zend_spprintf(error, 0, "class '%.*s' not found", name_len, name);
2793 }
2794 efree(lcname);
2795 return ret;
2796 }
2797 /* }}} */
2798
zend_is_callable_check_func(int check_flags,zval * callable,zend_fcall_info_cache * fcc,int strict_class,char ** error TSRMLS_DC)2799 static int zend_is_callable_check_func(int check_flags, zval *callable, zend_fcall_info_cache *fcc, int strict_class, char **error TSRMLS_DC) /* {{{ */
2800 {
2801 zend_class_entry *ce_org = fcc->calling_scope;
2802 int retval = 0;
2803 char *mname, *lmname;
2804 const char *colon;
2805 int clen, mlen;
2806 zend_class_entry *last_scope;
2807 HashTable *ftable;
2808 int call_via_handler = 0;
2809
2810 if (error) {
2811 *error = NULL;
2812 }
2813
2814 fcc->calling_scope = NULL;
2815 fcc->function_handler = NULL;
2816
2817 if (!ce_org) {
2818 /* Skip leading \ */
2819 if (Z_STRVAL_P(callable)[0] == '\\') {
2820 mlen = Z_STRLEN_P(callable) - 1;
2821 lmname = zend_str_tolower_dup(Z_STRVAL_P(callable) + 1, mlen);
2822 } else {
2823 mlen = Z_STRLEN_P(callable);
2824 lmname = zend_str_tolower_dup(Z_STRVAL_P(callable), mlen);
2825 }
2826 /* Check if function with given name exists.
2827 * This may be a compound name that includes namespace name */
2828 if (zend_hash_find(EG(function_table), lmname, mlen+1, (void**)&fcc->function_handler) == SUCCESS) {
2829 efree(lmname);
2830 return 1;
2831 }
2832 efree(lmname);
2833 }
2834
2835 /* Split name into class/namespace and method/function names */
2836 if ((colon = zend_memrchr(Z_STRVAL_P(callable), ':', Z_STRLEN_P(callable))) != NULL &&
2837 colon > Z_STRVAL_P(callable) &&
2838 *(colon-1) == ':'
2839 ) {
2840 colon--;
2841 clen = colon - Z_STRVAL_P(callable);
2842 mlen = Z_STRLEN_P(callable) - clen - 2;
2843
2844 if (colon == Z_STRVAL_P(callable)) {
2845 if (error) zend_spprintf(error, 0, "invalid function name");
2846 return 0;
2847 }
2848
2849 /* This is a compound name.
2850 * Try to fetch class and then find static method. */
2851 last_scope = EG(scope);
2852 if (ce_org) {
2853 EG(scope) = ce_org;
2854 }
2855
2856 if (!zend_is_callable_check_class(Z_STRVAL_P(callable), clen, fcc, &strict_class, error TSRMLS_CC)) {
2857 EG(scope) = last_scope;
2858 return 0;
2859 }
2860 EG(scope) = last_scope;
2861
2862 ftable = &fcc->calling_scope->function_table;
2863 if (ce_org && !instanceof_function(ce_org, fcc->calling_scope TSRMLS_CC)) {
2864 if (error) zend_spprintf(error, 0, "class '%s' is not a subclass of '%s'", ce_org->name, fcc->calling_scope->name);
2865 return 0;
2866 }
2867 mname = Z_STRVAL_P(callable) + clen + 2;
2868 } else if (ce_org) {
2869 /* Try to fetch find static method of given class. */
2870 mlen = Z_STRLEN_P(callable);
2871 mname = Z_STRVAL_P(callable);
2872 ftable = &ce_org->function_table;
2873 fcc->calling_scope = ce_org;
2874 } else {
2875 /* We already checked for plain function before. */
2876 if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) {
2877 zend_spprintf(error, 0, "function '%s' not found or invalid function name", Z_STRVAL_P(callable));
2878 }
2879 return 0;
2880 }
2881
2882 lmname = zend_str_tolower_dup(mname, mlen);
2883 if (strict_class &&
2884 fcc->calling_scope &&
2885 mlen == sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)-1 &&
2886 !memcmp(lmname, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME) - 1)) {
2887 fcc->function_handler = fcc->calling_scope->constructor;
2888 if (fcc->function_handler) {
2889 retval = 1;
2890 }
2891 } else if (zend_hash_find(ftable, lmname, mlen+1, (void**)&fcc->function_handler) == SUCCESS) {
2892 retval = 1;
2893 if ((fcc->function_handler->op_array.fn_flags & ZEND_ACC_CHANGED) &&
2894 !strict_class && EG(scope) &&
2895 instanceof_function(fcc->function_handler->common.scope, EG(scope) TSRMLS_CC)) {
2896 zend_function *priv_fbc;
2897
2898 if (zend_hash_find(&EG(scope)->function_table, lmname, mlen+1, (void **) &priv_fbc)==SUCCESS
2899 && priv_fbc->common.fn_flags & ZEND_ACC_PRIVATE
2900 && priv_fbc->common.scope == EG(scope)) {
2901 fcc->function_handler = priv_fbc;
2902 }
2903 }
2904 if ((check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0 &&
2905 (fcc->calling_scope &&
2906 ((fcc->object_ptr && fcc->calling_scope->__call) ||
2907 (!fcc->object_ptr && fcc->calling_scope->__callstatic)))) {
2908 if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) {
2909 if (!zend_check_private(fcc->function_handler, fcc->object_ptr ? Z_OBJCE_P(fcc->object_ptr) : EG(scope), lmname, mlen TSRMLS_CC)) {
2910 retval = 0;
2911 fcc->function_handler = NULL;
2912 goto get_function_via_handler;
2913 }
2914 } else if (fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED) {
2915 if (!zend_check_protected(fcc->function_handler->common.scope, EG(scope))) {
2916 retval = 0;
2917 fcc->function_handler = NULL;
2918 goto get_function_via_handler;
2919 }
2920 }
2921 }
2922 } else {
2923 get_function_via_handler:
2924 if (fcc->object_ptr && fcc->calling_scope == ce_org) {
2925 if (strict_class && ce_org->__call) {
2926 fcc->function_handler = emalloc(sizeof(zend_internal_function));
2927 fcc->function_handler->internal_function.type = ZEND_INTERNAL_FUNCTION;
2928 fcc->function_handler->internal_function.module = (ce_org->type == ZEND_INTERNAL_CLASS) ? ce_org->info.internal.module : NULL;
2929 fcc->function_handler->internal_function.handler = zend_std_call_user_call;
2930 fcc->function_handler->internal_function.arg_info = NULL;
2931 fcc->function_handler->internal_function.num_args = 0;
2932 fcc->function_handler->internal_function.scope = ce_org;
2933 fcc->function_handler->internal_function.fn_flags = ZEND_ACC_CALL_VIA_HANDLER;
2934 fcc->function_handler->internal_function.function_name = estrndup(mname, mlen);
2935 call_via_handler = 1;
2936 retval = 1;
2937 } else if (Z_OBJ_HT_P(fcc->object_ptr)->get_method) {
2938 fcc->function_handler = Z_OBJ_HT_P(fcc->object_ptr)->get_method(&fcc->object_ptr, mname, mlen, NULL TSRMLS_CC);
2939 if (fcc->function_handler) {
2940 if (strict_class &&
2941 (!fcc->function_handler->common.scope ||
2942 !instanceof_function(ce_org, fcc->function_handler->common.scope TSRMLS_CC))) {
2943 if ((fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0) {
2944 if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
2945 efree((char*)fcc->function_handler->common.function_name);
2946 }
2947 efree(fcc->function_handler);
2948 }
2949 } else {
2950 retval = 1;
2951 call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0;
2952 }
2953 }
2954 }
2955 } else if (fcc->calling_scope) {
2956 if (fcc->calling_scope->get_static_method) {
2957 fcc->function_handler = fcc->calling_scope->get_static_method(fcc->calling_scope, mname, mlen TSRMLS_CC);
2958 } else {
2959 fcc->function_handler = zend_std_get_static_method(fcc->calling_scope, mname, mlen, NULL TSRMLS_CC);
2960 }
2961 if (fcc->function_handler) {
2962 retval = 1;
2963 call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0;
2964 if (call_via_handler && !fcc->object_ptr && EG(This) &&
2965 Z_OBJ_HT_P(EG(This))->get_class_entry &&
2966 instanceof_function(Z_OBJCE_P(EG(This)), fcc->calling_scope TSRMLS_CC)) {
2967 fcc->object_ptr = EG(This);
2968 }
2969 }
2970 }
2971 }
2972
2973 if (retval) {
2974 if (fcc->calling_scope && !call_via_handler) {
2975 if (!fcc->object_ptr && (fcc->function_handler->common.fn_flags & ZEND_ACC_ABSTRACT)) {
2976 if (error) {
2977 zend_spprintf(error, 0, "cannot call abstract method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name);
2978 retval = 0;
2979 } else {
2980 zend_error(E_ERROR, "Cannot call abstract method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name);
2981 }
2982 } else if (!fcc->object_ptr && !(fcc->function_handler->common.fn_flags & ZEND_ACC_STATIC)) {
2983 int severity;
2984 char *verb;
2985 if (fcc->function_handler->common.fn_flags & ZEND_ACC_ALLOW_STATIC) {
2986 severity = E_STRICT;
2987 verb = "should not";
2988 } else {
2989 /* An internal function assumes $this is present and won't check that. So PHP would crash by allowing the call. */
2990 severity = E_ERROR;
2991 verb = "cannot";
2992 }
2993 if ((check_flags & IS_CALLABLE_CHECK_IS_STATIC) != 0) {
2994 retval = 0;
2995 }
2996 if (EG(This) && instanceof_function(Z_OBJCE_P(EG(This)), fcc->calling_scope TSRMLS_CC)) {
2997 fcc->object_ptr = EG(This);
2998 if (error) {
2999 zend_spprintf(error, 0, "non-static method %s::%s() %s be called statically, assuming $this from compatible context %s", fcc->calling_scope->name, fcc->function_handler->common.function_name, verb, Z_OBJCE_P(EG(This))->name);
3000 if (severity == E_ERROR) {
3001 retval = 0;
3002 }
3003 } else if (retval) {
3004 zend_error(severity, "Non-static method %s::%s() %s be called statically, assuming $this from compatible context %s", fcc->calling_scope->name, fcc->function_handler->common.function_name, verb, Z_OBJCE_P(EG(This))->name);
3005 }
3006 } else {
3007 if (error) {
3008 zend_spprintf(error, 0, "non-static method %s::%s() %s be called statically", fcc->calling_scope->name, fcc->function_handler->common.function_name, verb);
3009 if (severity == E_ERROR) {
3010 retval = 0;
3011 }
3012 } else if (retval) {
3013 zend_error(severity, "Non-static method %s::%s() %s be called statically", fcc->calling_scope->name, fcc->function_handler->common.function_name, verb);
3014 }
3015 }
3016 }
3017 if (retval && (check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0) {
3018 if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) {
3019 if (!zend_check_private(fcc->function_handler, fcc->object_ptr ? Z_OBJCE_P(fcc->object_ptr) : EG(scope), lmname, mlen TSRMLS_CC)) {
3020 if (error) {
3021 if (*error) {
3022 efree(*error);
3023 }
3024 zend_spprintf(error, 0, "cannot access private method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name);
3025 }
3026 retval = 0;
3027 }
3028 } else if ((fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED)) {
3029 if (!zend_check_protected(fcc->function_handler->common.scope, EG(scope))) {
3030 if (error) {
3031 if (*error) {
3032 efree(*error);
3033 }
3034 zend_spprintf(error, 0, "cannot access protected method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name);
3035 }
3036 retval = 0;
3037 }
3038 }
3039 }
3040 }
3041 } else if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) {
3042 if (fcc->calling_scope) {
3043 if (error) zend_spprintf(error, 0, "class '%s' does not have a method '%s'", fcc->calling_scope->name, mname);
3044 } else {
3045 if (error) zend_spprintf(error, 0, "function '%s' does not exist", mname);
3046 }
3047 }
3048 efree(lmname);
3049
3050 if (fcc->object_ptr) {
3051 fcc->called_scope = Z_OBJCE_P(fcc->object_ptr);
3052 }
3053 if (retval) {
3054 fcc->initialized = 1;
3055 }
3056 return retval;
3057 }
3058 /* }}} */
3059
zend_is_callable_ex(zval * callable,zval * object_ptr,uint check_flags,char ** callable_name,int * callable_name_len,zend_fcall_info_cache * fcc,char ** error TSRMLS_DC)3060 ZEND_API zend_bool zend_is_callable_ex(zval *callable, zval *object_ptr, uint check_flags, char **callable_name, int *callable_name_len, zend_fcall_info_cache *fcc, char **error TSRMLS_DC) /* {{{ */
3061 {
3062 zend_bool ret;
3063 int callable_name_len_local;
3064 zend_fcall_info_cache fcc_local;
3065
3066 if (callable_name) {
3067 *callable_name = NULL;
3068 }
3069 if (callable_name_len == NULL) {
3070 callable_name_len = &callable_name_len_local;
3071 }
3072 if (fcc == NULL) {
3073 fcc = &fcc_local;
3074 }
3075 if (error) {
3076 *error = NULL;
3077 }
3078
3079 fcc->initialized = 0;
3080 fcc->calling_scope = NULL;
3081 fcc->called_scope = NULL;
3082 fcc->function_handler = NULL;
3083 fcc->calling_scope = NULL;
3084 fcc->object_ptr = NULL;
3085
3086 if (object_ptr && Z_TYPE_P(object_ptr) != IS_OBJECT) {
3087 object_ptr = NULL;
3088 }
3089 if (object_ptr &&
3090 (!EG(objects_store).object_buckets ||
3091 !EG(objects_store).object_buckets[Z_OBJ_HANDLE_P(object_ptr)].valid)) {
3092 return 0;
3093 }
3094
3095 switch (Z_TYPE_P(callable)) {
3096 case IS_STRING:
3097 if (object_ptr) {
3098 fcc->object_ptr = object_ptr;
3099 fcc->calling_scope = Z_OBJCE_P(object_ptr);
3100 if (callable_name) {
3101 char *ptr;
3102
3103 *callable_name_len = fcc->calling_scope->name_length + Z_STRLEN_P(callable) + sizeof("::") - 1;
3104 ptr = *callable_name = emalloc(*callable_name_len + 1);
3105 memcpy(ptr, fcc->calling_scope->name, fcc->calling_scope->name_length);
3106 ptr += fcc->calling_scope->name_length;
3107 memcpy(ptr, "::", sizeof("::") - 1);
3108 ptr += sizeof("::") - 1;
3109 memcpy(ptr, Z_STRVAL_P(callable), Z_STRLEN_P(callable) + 1);
3110 }
3111 } else if (callable_name) {
3112 *callable_name = estrndup(Z_STRVAL_P(callable), Z_STRLEN_P(callable));
3113 *callable_name_len = Z_STRLEN_P(callable);
3114 }
3115 if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
3116 fcc->called_scope = fcc->calling_scope;
3117 return 1;
3118 }
3119
3120 ret = zend_is_callable_check_func(check_flags, callable, fcc, 0, error TSRMLS_CC);
3121 if (fcc == &fcc_local &&
3122 fcc->function_handler &&
3123 ((fcc->function_handler->type == ZEND_INTERNAL_FUNCTION &&
3124 (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER)) ||
3125 fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
3126 fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
3127 if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
3128 efree((char*)fcc->function_handler->common.function_name);
3129 }
3130 efree(fcc->function_handler);
3131 }
3132 return ret;
3133
3134 case IS_ARRAY:
3135 {
3136 zval **method = NULL;
3137 zval **obj = NULL;
3138 int strict_class = 0;
3139
3140 if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
3141 zend_hash_index_find(Z_ARRVAL_P(callable), 0, (void **) &obj);
3142 zend_hash_index_find(Z_ARRVAL_P(callable), 1, (void **) &method);
3143 }
3144 if (obj && method &&
3145 (Z_TYPE_PP(obj) == IS_OBJECT ||
3146 Z_TYPE_PP(obj) == IS_STRING) &&
3147 Z_TYPE_PP(method) == IS_STRING) {
3148
3149 if (Z_TYPE_PP(obj) == IS_STRING) {
3150 if (callable_name) {
3151 char *ptr;
3152
3153 *callable_name_len = Z_STRLEN_PP(obj) + Z_STRLEN_PP(method) + sizeof("::") - 1;
3154 ptr = *callable_name = emalloc(*callable_name_len + 1);
3155 memcpy(ptr, Z_STRVAL_PP(obj), Z_STRLEN_PP(obj));
3156 ptr += Z_STRLEN_PP(obj);
3157 memcpy(ptr, "::", sizeof("::") - 1);
3158 ptr += sizeof("::") - 1;
3159 memcpy(ptr, Z_STRVAL_PP(method), Z_STRLEN_PP(method) + 1);
3160 }
3161
3162 if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
3163 return 1;
3164 }
3165
3166 if (!zend_is_callable_check_class(Z_STRVAL_PP(obj), Z_STRLEN_PP(obj), fcc, &strict_class, error TSRMLS_CC)) {
3167 return 0;
3168 }
3169
3170 } else {
3171 if (!EG(objects_store).object_buckets ||
3172 !EG(objects_store).object_buckets[Z_OBJ_HANDLE_PP(obj)].valid) {
3173 return 0;
3174 }
3175
3176 fcc->calling_scope = Z_OBJCE_PP(obj); /* TBFixed: what if it's overloaded? */
3177
3178 fcc->object_ptr = *obj;
3179
3180 if (callable_name) {
3181 char *ptr;
3182
3183 *callable_name_len = fcc->calling_scope->name_length + Z_STRLEN_PP(method) + sizeof("::") - 1;
3184 ptr = *callable_name = emalloc(*callable_name_len + 1);
3185 memcpy(ptr, fcc->calling_scope->name, fcc->calling_scope->name_length);
3186 ptr += fcc->calling_scope->name_length;
3187 memcpy(ptr, "::", sizeof("::") - 1);
3188 ptr += sizeof("::") - 1;
3189 memcpy(ptr, Z_STRVAL_PP(method), Z_STRLEN_PP(method) + 1);
3190 }
3191
3192 if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
3193 fcc->called_scope = fcc->calling_scope;
3194 return 1;
3195 }
3196 }
3197
3198 ret = zend_is_callable_check_func(check_flags, *method, fcc, strict_class, error TSRMLS_CC);
3199 if (fcc == &fcc_local &&
3200 fcc->function_handler &&
3201 ((fcc->function_handler->type == ZEND_INTERNAL_FUNCTION &&
3202 (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER)) ||
3203 fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
3204 fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
3205 if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
3206 efree((char*)fcc->function_handler->common.function_name);
3207 }
3208 efree(fcc->function_handler);
3209 }
3210 return ret;
3211
3212 } else {
3213 if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
3214 if (!obj || (Z_TYPE_PP(obj) != IS_STRING && Z_TYPE_PP(obj) != IS_OBJECT)) {
3215 if (error) zend_spprintf(error, 0, "first array member is not a valid class name or object");
3216 } else {
3217 if (error) zend_spprintf(error, 0, "second array member is not a valid method");
3218 }
3219 } else {
3220 if (error) zend_spprintf(error, 0, "array must have exactly two members");
3221 }
3222 if (callable_name) {
3223 *callable_name = estrndup("Array", sizeof("Array")-1);
3224 *callable_name_len = sizeof("Array") - 1;
3225 }
3226 }
3227 }
3228 return 0;
3229
3230 case IS_OBJECT:
3231 if (Z_OBJ_HANDLER_P(callable, get_closure) && Z_OBJ_HANDLER_P(callable, get_closure)(callable, &fcc->calling_scope, &fcc->function_handler, &fcc->object_ptr TSRMLS_CC) == SUCCESS) {
3232 fcc->called_scope = fcc->calling_scope;
3233 if (callable_name) {
3234 zend_class_entry *ce = Z_OBJCE_P(callable); /* TBFixed: what if it's overloaded? */
3235
3236 *callable_name_len = ce->name_length + sizeof("::__invoke") - 1;
3237 *callable_name = emalloc(*callable_name_len + 1);
3238 memcpy(*callable_name, ce->name, ce->name_length);
3239 memcpy((*callable_name) + ce->name_length, "::__invoke", sizeof("::__invoke"));
3240 }
3241 return 1;
3242 }
3243 /* break missing intentionally */
3244
3245 default:
3246 if (callable_name) {
3247 zval expr_copy;
3248 int use_copy;
3249
3250 zend_make_printable_zval(callable, &expr_copy, &use_copy);
3251 *callable_name = estrndup(Z_STRVAL(expr_copy), Z_STRLEN(expr_copy));
3252 *callable_name_len = Z_STRLEN(expr_copy);
3253 zval_dtor(&expr_copy);
3254 }
3255 if (error) zend_spprintf(error, 0, "no array or string given");
3256 return 0;
3257 }
3258 }
3259 /* }}} */
3260
zend_is_callable(zval * callable,uint check_flags,char ** callable_name TSRMLS_DC)3261 ZEND_API zend_bool zend_is_callable(zval *callable, uint check_flags, char **callable_name TSRMLS_DC) /* {{{ */
3262 {
3263 return zend_is_callable_ex(callable, NULL, check_flags, callable_name, NULL, NULL, NULL TSRMLS_CC);
3264 }
3265 /* }}} */
3266
zend_make_callable(zval * callable,char ** callable_name TSRMLS_DC)3267 ZEND_API zend_bool zend_make_callable(zval *callable, char **callable_name TSRMLS_DC) /* {{{ */
3268 {
3269 zend_fcall_info_cache fcc;
3270
3271 if (zend_is_callable_ex(callable, NULL, IS_CALLABLE_STRICT, callable_name, NULL, &fcc, NULL TSRMLS_CC)) {
3272 if (Z_TYPE_P(callable) == IS_STRING && fcc.calling_scope) {
3273 zval_dtor(callable);
3274 array_init(callable);
3275 add_next_index_string(callable, fcc.calling_scope->name, 1);
3276 add_next_index_string(callable, fcc.function_handler->common.function_name, 1);
3277 }
3278 if (fcc.function_handler &&
3279 ((fcc.function_handler->type == ZEND_INTERNAL_FUNCTION &&
3280 (fcc.function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER)) ||
3281 fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
3282 fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
3283 if (fcc.function_handler->type != ZEND_OVERLOADED_FUNCTION) {
3284 efree((char*)fcc.function_handler->common.function_name);
3285 }
3286 efree(fcc.function_handler);
3287 }
3288 return 1;
3289 }
3290 return 0;
3291 }
3292 /* }}} */
3293
zend_fcall_info_init(zval * callable,uint check_flags,zend_fcall_info * fci,zend_fcall_info_cache * fcc,char ** callable_name,char ** error TSRMLS_DC)3294 ZEND_API int zend_fcall_info_init(zval *callable, uint check_flags, zend_fcall_info *fci, zend_fcall_info_cache *fcc, char **callable_name, char **error TSRMLS_DC) /* {{{ */
3295 {
3296 if (!zend_is_callable_ex(callable, NULL, check_flags, callable_name, NULL, fcc, error TSRMLS_CC)) {
3297 return FAILURE;
3298 }
3299
3300 fci->size = sizeof(*fci);
3301 fci->function_table = fcc->calling_scope ? &fcc->calling_scope->function_table : EG(function_table);
3302 fci->object_ptr = fcc->object_ptr;
3303 fci->function_name = callable;
3304 fci->retval_ptr_ptr = NULL;
3305 fci->param_count = 0;
3306 fci->params = NULL;
3307 fci->no_separation = 1;
3308 fci->symbol_table = NULL;
3309
3310 return SUCCESS;
3311 }
3312 /* }}} */
3313
zend_fcall_info_args_clear(zend_fcall_info * fci,int free_mem)3314 ZEND_API void zend_fcall_info_args_clear(zend_fcall_info *fci, int free_mem) /* {{{ */
3315 {
3316 if (fci->params) {
3317 if (free_mem) {
3318 efree(fci->params);
3319 fci->params = NULL;
3320 }
3321 }
3322 fci->param_count = 0;
3323 }
3324 /* }}} */
3325
zend_fcall_info_args_save(zend_fcall_info * fci,int * param_count,zval **** params)3326 ZEND_API void zend_fcall_info_args_save(zend_fcall_info *fci, int *param_count, zval ****params) /* {{{ */
3327 {
3328 *param_count = fci->param_count;
3329 *params = fci->params;
3330 fci->param_count = 0;
3331 fci->params = NULL;
3332 }
3333 /* }}} */
3334
zend_fcall_info_args_restore(zend_fcall_info * fci,int param_count,zval *** params)3335 ZEND_API void zend_fcall_info_args_restore(zend_fcall_info *fci, int param_count, zval ***params) /* {{{ */
3336 {
3337 zend_fcall_info_args_clear(fci, 1);
3338 fci->param_count = param_count;
3339 fci->params = params;
3340 }
3341 /* }}} */
3342
zend_fcall_info_args(zend_fcall_info * fci,zval * args TSRMLS_DC)3343 ZEND_API int zend_fcall_info_args(zend_fcall_info *fci, zval *args TSRMLS_DC) /* {{{ */
3344 {
3345 HashPosition pos;
3346 zval **arg, ***params;
3347
3348 zend_fcall_info_args_clear(fci, !args);
3349
3350 if (!args) {
3351 return SUCCESS;
3352 }
3353
3354 if (Z_TYPE_P(args) != IS_ARRAY) {
3355 return FAILURE;
3356 }
3357
3358 fci->param_count = zend_hash_num_elements(Z_ARRVAL_P(args));
3359 fci->params = params = (zval ***) erealloc(fci->params, fci->param_count * sizeof(zval **));
3360
3361 zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(args), &pos);
3362 while (zend_hash_get_current_data_ex(Z_ARRVAL_P(args), (void *) &arg, &pos) == SUCCESS) {
3363 *params++ = arg;
3364 zend_hash_move_forward_ex(Z_ARRVAL_P(args), &pos);
3365 }
3366
3367 return SUCCESS;
3368 }
3369 /* }}} */
3370
zend_fcall_info_argp(zend_fcall_info * fci TSRMLS_DC,int argc,zval *** argv)3371 ZEND_API int zend_fcall_info_argp(zend_fcall_info *fci TSRMLS_DC, int argc, zval ***argv) /* {{{ */
3372 {
3373 int i;
3374
3375 if (argc < 0) {
3376 return FAILURE;
3377 }
3378
3379 zend_fcall_info_args_clear(fci, !argc);
3380
3381 if (argc) {
3382 fci->param_count = argc;
3383 fci->params = (zval ***) erealloc(fci->params, fci->param_count * sizeof(zval **));
3384
3385 for (i = 0; i < argc; ++i) {
3386 fci->params[i] = argv[i];
3387 }
3388 }
3389
3390 return SUCCESS;
3391 }
3392 /* }}} */
3393
zend_fcall_info_argv(zend_fcall_info * fci TSRMLS_DC,int argc,va_list * argv)3394 ZEND_API int zend_fcall_info_argv(zend_fcall_info *fci TSRMLS_DC, int argc, va_list *argv) /* {{{ */
3395 {
3396 int i;
3397 zval **arg;
3398
3399 if (argc < 0) {
3400 return FAILURE;
3401 }
3402
3403 zend_fcall_info_args_clear(fci, !argc);
3404
3405 if (argc) {
3406 fci->param_count = argc;
3407 fci->params = (zval ***) erealloc(fci->params, fci->param_count * sizeof(zval **));
3408
3409 for (i = 0; i < argc; ++i) {
3410 arg = va_arg(*argv, zval **);
3411 fci->params[i] = arg;
3412 }
3413 }
3414
3415 return SUCCESS;
3416 }
3417 /* }}} */
3418
zend_fcall_info_argn(zend_fcall_info * fci TSRMLS_DC,int argc,...)3419 ZEND_API int zend_fcall_info_argn(zend_fcall_info *fci TSRMLS_DC, int argc, ...) /* {{{ */
3420 {
3421 int ret;
3422 va_list argv;
3423
3424 va_start(argv, argc);
3425 ret = zend_fcall_info_argv(fci TSRMLS_CC, argc, &argv);
3426 va_end(argv);
3427
3428 return ret;
3429 }
3430 /* }}} */
3431
zend_fcall_info_call(zend_fcall_info * fci,zend_fcall_info_cache * fcc,zval ** retval_ptr_ptr,zval * args TSRMLS_DC)3432 ZEND_API int zend_fcall_info_call(zend_fcall_info *fci, zend_fcall_info_cache *fcc, zval **retval_ptr_ptr, zval *args TSRMLS_DC) /* {{{ */
3433 {
3434 zval *retval, ***org_params = NULL;
3435 int result, org_count = 0;
3436
3437 fci->retval_ptr_ptr = retval_ptr_ptr ? retval_ptr_ptr : &retval;
3438 if (args) {
3439 zend_fcall_info_args_save(fci, &org_count, &org_params);
3440 zend_fcall_info_args(fci, args TSRMLS_CC);
3441 }
3442 result = zend_call_function(fci, fcc TSRMLS_CC);
3443
3444 if (!retval_ptr_ptr && retval) {
3445 zval_ptr_dtor(&retval);
3446 }
3447 if (args) {
3448 zend_fcall_info_args_restore(fci, org_count, org_params);
3449 }
3450 return result;
3451 }
3452 /* }}} */
3453
zend_get_module_version(const char * module_name)3454 ZEND_API const char *zend_get_module_version(const char *module_name) /* {{{ */
3455 {
3456 char *lname;
3457 int name_len = strlen(module_name);
3458 zend_module_entry *module;
3459
3460 lname = zend_str_tolower_dup(module_name, name_len);
3461 if (zend_hash_find(&module_registry, lname, name_len + 1, (void**)&module) == FAILURE) {
3462 efree(lname);
3463 return NULL;
3464 }
3465 efree(lname);
3466 return module->version;
3467 }
3468 /* }}} */
3469
zend_declare_property_ex(zend_class_entry * ce,const char * name,int name_length,zval * property,int access_type,const char * doc_comment,int doc_comment_len TSRMLS_DC)3470 ZEND_API int zend_declare_property_ex(zend_class_entry *ce, const char *name, int name_length, zval *property, int access_type, const char *doc_comment, int doc_comment_len TSRMLS_DC) /* {{{ */
3471 {
3472 zend_property_info property_info, *property_info_ptr;
3473 const char *interned_name;
3474 ulong h = zend_get_hash_value(name, name_length+1);
3475
3476 if (!(access_type & ZEND_ACC_PPP_MASK)) {
3477 access_type |= ZEND_ACC_PUBLIC;
3478 }
3479 if (access_type & ZEND_ACC_STATIC) {
3480 if (zend_hash_quick_find(&ce->properties_info, name, name_length + 1, h, (void**)&property_info_ptr) == SUCCESS &&
3481 (property_info_ptr->flags & ZEND_ACC_STATIC) != 0) {
3482 property_info.offset = property_info_ptr->offset;
3483 zval_ptr_dtor(&ce->default_static_members_table[property_info.offset]);
3484 zend_hash_quick_del(&ce->properties_info, name, name_length + 1, h);
3485 } else {
3486 property_info.offset = ce->default_static_members_count++;
3487 ce->default_static_members_table = perealloc(ce->default_static_members_table, sizeof(zval*) * ce->default_static_members_count, ce->type == ZEND_INTERNAL_CLASS);
3488 }
3489 ce->default_static_members_table[property_info.offset] = property;
3490 if (ce->type == ZEND_USER_CLASS) {
3491 ce->static_members_table = ce->default_static_members_table;
3492 }
3493 } else {
3494 if (zend_hash_quick_find(&ce->properties_info, name, name_length + 1, h, (void**)&property_info_ptr) == SUCCESS &&
3495 (property_info_ptr->flags & ZEND_ACC_STATIC) == 0) {
3496 property_info.offset = property_info_ptr->offset;
3497 zval_ptr_dtor(&ce->default_properties_table[property_info.offset]);
3498 zend_hash_quick_del(&ce->properties_info, name, name_length + 1, h);
3499 } else {
3500 property_info.offset = ce->default_properties_count++;
3501 ce->default_properties_table = perealloc(ce->default_properties_table, sizeof(zval*) * ce->default_properties_count, ce->type == ZEND_INTERNAL_CLASS);
3502 }
3503 ce->default_properties_table[property_info.offset] = property;
3504 }
3505 if (ce->type & ZEND_INTERNAL_CLASS) {
3506 switch(Z_TYPE_P(property)) {
3507 case IS_ARRAY:
3508 case IS_OBJECT:
3509 case IS_RESOURCE:
3510 zend_error(E_CORE_ERROR, "Internal zval's can't be arrays, objects or resources");
3511 break;
3512 default:
3513 break;
3514 }
3515 }
3516 switch (access_type & ZEND_ACC_PPP_MASK) {
3517 case ZEND_ACC_PRIVATE: {
3518 char *priv_name;
3519 int priv_name_length;
3520
3521 zend_mangle_property_name(&priv_name, &priv_name_length, ce->name, ce->name_length, name, name_length, ce->type & ZEND_INTERNAL_CLASS);
3522 property_info.name = priv_name;
3523 property_info.name_length = priv_name_length;
3524 }
3525 break;
3526 case ZEND_ACC_PROTECTED: {
3527 char *prot_name;
3528 int prot_name_length;
3529
3530 zend_mangle_property_name(&prot_name, &prot_name_length, "*", 1, name, name_length, ce->type & ZEND_INTERNAL_CLASS);
3531 property_info.name = prot_name;
3532 property_info.name_length = prot_name_length;
3533 }
3534 break;
3535 case ZEND_ACC_PUBLIC:
3536 if (IS_INTERNED(name)) {
3537 property_info.name = (char*)name;
3538 } else {
3539 property_info.name = ce->type & ZEND_INTERNAL_CLASS ? zend_strndup(name, name_length) : estrndup(name, name_length);
3540 }
3541 property_info.name_length = name_length;
3542 break;
3543 }
3544
3545 interned_name = zend_new_interned_string(property_info.name, property_info.name_length+1, 0 TSRMLS_CC);
3546 if (interned_name != property_info.name) {
3547 if (ce->type == ZEND_USER_CLASS) {
3548 efree((char*)property_info.name);
3549 } else {
3550 free((char*)property_info.name);
3551 }
3552 property_info.name = interned_name;
3553 }
3554
3555 property_info.flags = access_type;
3556 property_info.h = (access_type & ZEND_ACC_PUBLIC) ? h : zend_get_hash_value(property_info.name, property_info.name_length+1);
3557
3558 property_info.doc_comment = doc_comment;
3559 property_info.doc_comment_len = doc_comment_len;
3560
3561 property_info.ce = ce;
3562
3563 zend_hash_quick_update(&ce->properties_info, name, name_length+1, h, &property_info, sizeof(zend_property_info), NULL);
3564
3565 return SUCCESS;
3566 }
3567 /* }}} */
3568
zend_declare_property(zend_class_entry * ce,const char * name,int name_length,zval * property,int access_type TSRMLS_DC)3569 ZEND_API int zend_declare_property(zend_class_entry *ce, const char *name, int name_length, zval *property, int access_type TSRMLS_DC) /* {{{ */
3570 {
3571 return zend_declare_property_ex(ce, name, name_length, property, access_type, NULL, 0 TSRMLS_CC);
3572 }
3573 /* }}} */
3574
zend_declare_property_null(zend_class_entry * ce,const char * name,int name_length,int access_type TSRMLS_DC)3575 ZEND_API int zend_declare_property_null(zend_class_entry *ce, const char *name, int name_length, int access_type TSRMLS_DC) /* {{{ */
3576 {
3577 zval *property;
3578
3579 if (ce->type & ZEND_INTERNAL_CLASS) {
3580 ALLOC_PERMANENT_ZVAL(property);
3581 } else {
3582 ALLOC_ZVAL(property);
3583 }
3584 INIT_ZVAL(*property);
3585 return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3586 }
3587 /* }}} */
3588
zend_declare_property_bool(zend_class_entry * ce,const char * name,int name_length,long value,int access_type TSRMLS_DC)3589 ZEND_API int zend_declare_property_bool(zend_class_entry *ce, const char *name, int name_length, long value, int access_type TSRMLS_DC) /* {{{ */
3590 {
3591 zval *property;
3592
3593 if (ce->type & ZEND_INTERNAL_CLASS) {
3594 ALLOC_PERMANENT_ZVAL(property);
3595 } else {
3596 ALLOC_ZVAL(property);
3597 }
3598 INIT_PZVAL(property);
3599 ZVAL_BOOL(property, value);
3600 return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3601 }
3602 /* }}} */
3603
zend_declare_property_long(zend_class_entry * ce,const char * name,int name_length,long value,int access_type TSRMLS_DC)3604 ZEND_API int zend_declare_property_long(zend_class_entry *ce, const char *name, int name_length, long value, int access_type TSRMLS_DC) /* {{{ */
3605 {
3606 zval *property;
3607
3608 if (ce->type & ZEND_INTERNAL_CLASS) {
3609 ALLOC_PERMANENT_ZVAL(property);
3610 } else {
3611 ALLOC_ZVAL(property);
3612 }
3613 INIT_PZVAL(property);
3614 ZVAL_LONG(property, value);
3615 return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3616 }
3617 /* }}} */
3618
zend_declare_property_double(zend_class_entry * ce,const char * name,int name_length,double value,int access_type TSRMLS_DC)3619 ZEND_API int zend_declare_property_double(zend_class_entry *ce, const char *name, int name_length, double value, int access_type TSRMLS_DC) /* {{{ */
3620 {
3621 zval *property;
3622
3623 if (ce->type & ZEND_INTERNAL_CLASS) {
3624 ALLOC_PERMANENT_ZVAL(property);
3625 } else {
3626 ALLOC_ZVAL(property);
3627 }
3628 INIT_PZVAL(property);
3629 ZVAL_DOUBLE(property, value);
3630 return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3631 }
3632 /* }}} */
3633
zend_declare_property_string(zend_class_entry * ce,const char * name,int name_length,const char * value,int access_type TSRMLS_DC)3634 ZEND_API int zend_declare_property_string(zend_class_entry *ce, const char *name, int name_length, const char *value, int access_type TSRMLS_DC) /* {{{ */
3635 {
3636 zval *property;
3637 int len = strlen(value);
3638
3639 if (ce->type & ZEND_INTERNAL_CLASS) {
3640 ALLOC_PERMANENT_ZVAL(property);
3641 ZVAL_STRINGL(property, zend_strndup(value, len), len, 0);
3642 } else {
3643 ALLOC_ZVAL(property);
3644 ZVAL_STRINGL(property, value, len, 1);
3645 }
3646 INIT_PZVAL(property);
3647 return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3648 }
3649 /* }}} */
3650
zend_declare_property_stringl(zend_class_entry * ce,const char * name,int name_length,const char * value,int value_len,int access_type TSRMLS_DC)3651 ZEND_API int zend_declare_property_stringl(zend_class_entry *ce, const char *name, int name_length, const char *value, int value_len, int access_type TSRMLS_DC) /* {{{ */
3652 {
3653 zval *property;
3654
3655 if (ce->type & ZEND_INTERNAL_CLASS) {
3656 ALLOC_PERMANENT_ZVAL(property);
3657 ZVAL_STRINGL(property, zend_strndup(value, value_len), value_len, 0);
3658 } else {
3659 ALLOC_ZVAL(property);
3660 ZVAL_STRINGL(property, value, value_len, 1);
3661 }
3662 INIT_PZVAL(property);
3663 return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3664 }
3665 /* }}} */
3666
zend_declare_class_constant(zend_class_entry * ce,const char * name,size_t name_length,zval * value TSRMLS_DC)3667 ZEND_API int zend_declare_class_constant(zend_class_entry *ce, const char *name, size_t name_length, zval *value TSRMLS_DC) /* {{{ */
3668 {
3669 return zend_hash_update(&ce->constants_table, name, name_length+1, &value, sizeof(zval *), NULL);
3670 }
3671 /* }}} */
3672
zend_declare_class_constant_null(zend_class_entry * ce,const char * name,size_t name_length TSRMLS_DC)3673 ZEND_API int zend_declare_class_constant_null(zend_class_entry *ce, const char *name, size_t name_length TSRMLS_DC) /* {{{ */
3674 {
3675 zval *constant;
3676
3677 if (ce->type & ZEND_INTERNAL_CLASS) {
3678 ALLOC_PERMANENT_ZVAL(constant);
3679 } else {
3680 ALLOC_ZVAL(constant);
3681 }
3682 ZVAL_NULL(constant);
3683 INIT_PZVAL(constant);
3684 return zend_declare_class_constant(ce, name, name_length, constant TSRMLS_CC);
3685 }
3686 /* }}} */
3687
zend_declare_class_constant_long(zend_class_entry * ce,const char * name,size_t name_length,long value TSRMLS_DC)3688 ZEND_API int zend_declare_class_constant_long(zend_class_entry *ce, const char *name, size_t name_length, long value TSRMLS_DC) /* {{{ */
3689 {
3690 zval *constant;
3691
3692 if (ce->type & ZEND_INTERNAL_CLASS) {
3693 ALLOC_PERMANENT_ZVAL(constant);
3694 } else {
3695 ALLOC_ZVAL(constant);
3696 }
3697 ZVAL_LONG(constant, value);
3698 INIT_PZVAL(constant);
3699 return zend_declare_class_constant(ce, name, name_length, constant TSRMLS_CC);
3700 }
3701 /* }}} */
3702
zend_declare_class_constant_bool(zend_class_entry * ce,const char * name,size_t name_length,zend_bool value TSRMLS_DC)3703 ZEND_API int zend_declare_class_constant_bool(zend_class_entry *ce, const char *name, size_t name_length, zend_bool value TSRMLS_DC) /* {{{ */
3704 {
3705 zval *constant;
3706
3707 if (ce->type & ZEND_INTERNAL_CLASS) {
3708 ALLOC_PERMANENT_ZVAL(constant);
3709 } else {
3710 ALLOC_ZVAL(constant);
3711 }
3712 ZVAL_BOOL(constant, value);
3713 INIT_PZVAL(constant);
3714 return zend_declare_class_constant(ce, name, name_length, constant TSRMLS_CC);
3715 }
3716 /* }}} */
3717
zend_declare_class_constant_double(zend_class_entry * ce,const char * name,size_t name_length,double value TSRMLS_DC)3718 ZEND_API int zend_declare_class_constant_double(zend_class_entry *ce, const char *name, size_t name_length, double value TSRMLS_DC) /* {{{ */
3719 {
3720 zval *constant;
3721
3722 if (ce->type & ZEND_INTERNAL_CLASS) {
3723 ALLOC_PERMANENT_ZVAL(constant);
3724 } else {
3725 ALLOC_ZVAL(constant);
3726 }
3727 ZVAL_DOUBLE(constant, value);
3728 INIT_PZVAL(constant);
3729 return zend_declare_class_constant(ce, name, name_length, constant TSRMLS_CC);
3730 }
3731 /* }}} */
3732
zend_declare_class_constant_stringl(zend_class_entry * ce,const char * name,size_t name_length,const char * value,size_t value_length TSRMLS_DC)3733 ZEND_API int zend_declare_class_constant_stringl(zend_class_entry *ce, const char *name, size_t name_length, const char *value, size_t value_length TSRMLS_DC) /* {{{ */
3734 {
3735 zval *constant;
3736
3737 if (ce->type & ZEND_INTERNAL_CLASS) {
3738 ALLOC_PERMANENT_ZVAL(constant);
3739 ZVAL_STRINGL(constant, zend_strndup(value, value_length), value_length, 0);
3740 } else {
3741 ALLOC_ZVAL(constant);
3742 ZVAL_STRINGL(constant, value, value_length, 1);
3743 }
3744 INIT_PZVAL(constant);
3745 return zend_declare_class_constant(ce, name, name_length, constant TSRMLS_CC);
3746 }
3747 /* }}} */
3748
zend_declare_class_constant_string(zend_class_entry * ce,const char * name,size_t name_length,const char * value TSRMLS_DC)3749 ZEND_API int zend_declare_class_constant_string(zend_class_entry *ce, const char *name, size_t name_length, const char *value TSRMLS_DC) /* {{{ */
3750 {
3751 return zend_declare_class_constant_stringl(ce, name, name_length, value, strlen(value) TSRMLS_CC);
3752 }
3753 /* }}} */
3754
zend_update_property(zend_class_entry * scope,zval * object,const char * name,int name_length,zval * value TSRMLS_DC)3755 ZEND_API void zend_update_property(zend_class_entry *scope, zval *object, const char *name, int name_length, zval *value TSRMLS_DC) /* {{{ */
3756 {
3757 zval *property;
3758 zend_class_entry *old_scope = EG(scope);
3759
3760 EG(scope) = scope;
3761
3762 if (!Z_OBJ_HT_P(object)->write_property) {
3763 const char *class_name;
3764 zend_uint class_name_len;
3765
3766 zend_get_object_classname(object, &class_name, &class_name_len TSRMLS_CC);
3767
3768 zend_error(E_CORE_ERROR, "Property %s of class %s cannot be updated", name, class_name);
3769 }
3770 MAKE_STD_ZVAL(property);
3771 ZVAL_STRINGL(property, name, name_length, 1);
3772 Z_OBJ_HT_P(object)->write_property(object, property, value, 0 TSRMLS_CC);
3773 zval_ptr_dtor(&property);
3774
3775 EG(scope) = old_scope;
3776 }
3777 /* }}} */
3778
zend_unset_property(zend_class_entry * scope,zval * object,const char * name,int name_length TSRMLS_DC)3779 ZEND_API void zend_unset_property(zend_class_entry *scope, zval *object, const char *name, int name_length TSRMLS_DC) /* {{{ */
3780 {
3781 zval *property;
3782 zend_class_entry *old_scope = EG(scope);
3783
3784 EG(scope) = scope;
3785
3786 if (!Z_OBJ_HT_P(object)->unset_property) {
3787 const char *class_name;
3788 zend_uint class_name_len;
3789
3790 zend_get_object_classname(object, &class_name, &class_name_len TSRMLS_CC);
3791
3792 zend_error(E_CORE_ERROR, "Property %s of class %s cannot be unset", name, class_name);
3793 }
3794 MAKE_STD_ZVAL(property);
3795 ZVAL_STRINGL(property, name, name_length, 1);
3796 Z_OBJ_HT_P(object)->unset_property(object, property, 0 TSRMLS_CC);
3797 zval_ptr_dtor(&property);
3798
3799 EG(scope) = old_scope;
3800 }
3801 /* }}} */
3802
zend_update_property_null(zend_class_entry * scope,zval * object,const char * name,int name_length TSRMLS_DC)3803 ZEND_API void zend_update_property_null(zend_class_entry *scope, zval *object, const char *name, int name_length TSRMLS_DC) /* {{{ */
3804 {
3805 zval *tmp;
3806
3807 ALLOC_ZVAL(tmp);
3808 Z_UNSET_ISREF_P(tmp);
3809 Z_SET_REFCOUNT_P(tmp, 0);
3810 ZVAL_NULL(tmp);
3811 zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3812 }
3813 /* }}} */
3814
zend_update_property_bool(zend_class_entry * scope,zval * object,const char * name,int name_length,long value TSRMLS_DC)3815 ZEND_API void zend_update_property_bool(zend_class_entry *scope, zval *object, const char *name, int name_length, long value TSRMLS_DC) /* {{{ */
3816 {
3817 zval *tmp;
3818
3819 ALLOC_ZVAL(tmp);
3820 Z_UNSET_ISREF_P(tmp);
3821 Z_SET_REFCOUNT_P(tmp, 0);
3822 ZVAL_BOOL(tmp, value);
3823 zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3824 }
3825 /* }}} */
3826
zend_update_property_long(zend_class_entry * scope,zval * object,const char * name,int name_length,long value TSRMLS_DC)3827 ZEND_API void zend_update_property_long(zend_class_entry *scope, zval *object, const char *name, int name_length, long value TSRMLS_DC) /* {{{ */
3828 {
3829 zval *tmp;
3830
3831 ALLOC_ZVAL(tmp);
3832 Z_UNSET_ISREF_P(tmp);
3833 Z_SET_REFCOUNT_P(tmp, 0);
3834 ZVAL_LONG(tmp, value);
3835 zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3836 }
3837 /* }}} */
3838
zend_update_property_double(zend_class_entry * scope,zval * object,const char * name,int name_length,double value TSRMLS_DC)3839 ZEND_API void zend_update_property_double(zend_class_entry *scope, zval *object, const char *name, int name_length, double value TSRMLS_DC) /* {{{ */
3840 {
3841 zval *tmp;
3842
3843 ALLOC_ZVAL(tmp);
3844 Z_UNSET_ISREF_P(tmp);
3845 Z_SET_REFCOUNT_P(tmp, 0);
3846 ZVAL_DOUBLE(tmp, value);
3847 zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3848 }
3849 /* }}} */
3850
zend_update_property_string(zend_class_entry * scope,zval * object,const char * name,int name_length,const char * value TSRMLS_DC)3851 ZEND_API void zend_update_property_string(zend_class_entry *scope, zval *object, const char *name, int name_length, const char *value TSRMLS_DC) /* {{{ */
3852 {
3853 zval *tmp;
3854
3855 ALLOC_ZVAL(tmp);
3856 Z_UNSET_ISREF_P(tmp);
3857 Z_SET_REFCOUNT_P(tmp, 0);
3858 ZVAL_STRING(tmp, value, 1);
3859 zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3860 }
3861 /* }}} */
3862
zend_update_property_stringl(zend_class_entry * scope,zval * object,const char * name,int name_length,const char * value,int value_len TSRMLS_DC)3863 ZEND_API void zend_update_property_stringl(zend_class_entry *scope, zval *object, const char *name, int name_length, const char *value, int value_len TSRMLS_DC) /* {{{ */
3864 {
3865 zval *tmp;
3866
3867 ALLOC_ZVAL(tmp);
3868 Z_UNSET_ISREF_P(tmp);
3869 Z_SET_REFCOUNT_P(tmp, 0);
3870 ZVAL_STRINGL(tmp, value, value_len, 1);
3871 zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3872 }
3873 /* }}} */
3874
zend_update_static_property(zend_class_entry * scope,const char * name,int name_length,zval * value TSRMLS_DC)3875 ZEND_API int zend_update_static_property(zend_class_entry *scope, const char *name, int name_length, zval *value TSRMLS_DC) /* {{{ */
3876 {
3877 zval **property;
3878 zend_class_entry *old_scope = EG(scope);
3879
3880 EG(scope) = scope;
3881 property = zend_std_get_static_property(scope, name, name_length, 0, NULL TSRMLS_CC);
3882 EG(scope) = old_scope;
3883 if (!property) {
3884 return FAILURE;
3885 } else {
3886 if (*property != value) {
3887 if (PZVAL_IS_REF(*property)) {
3888 zval_dtor(*property);
3889 Z_TYPE_PP(property) = Z_TYPE_P(value);
3890 (*property)->value = value->value;
3891 if (Z_REFCOUNT_P(value) > 0) {
3892 zval_copy_ctor(*property);
3893 } else {
3894 efree(value);
3895 }
3896 } else {
3897 zval *garbage = *property;
3898
3899 Z_ADDREF_P(value);
3900 if (PZVAL_IS_REF(value)) {
3901 SEPARATE_ZVAL(&value);
3902 }
3903 *property = value;
3904 zval_ptr_dtor(&garbage);
3905 }
3906 }
3907 return SUCCESS;
3908 }
3909 }
3910 /* }}} */
3911
zend_update_static_property_null(zend_class_entry * scope,const char * name,int name_length TSRMLS_DC)3912 ZEND_API int zend_update_static_property_null(zend_class_entry *scope, const char *name, int name_length TSRMLS_DC) /* {{{ */
3913 {
3914 zval *tmp;
3915
3916 ALLOC_ZVAL(tmp);
3917 Z_UNSET_ISREF_P(tmp);
3918 Z_SET_REFCOUNT_P(tmp, 0);
3919 ZVAL_NULL(tmp);
3920 return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3921 }
3922 /* }}} */
3923
zend_update_static_property_bool(zend_class_entry * scope,const char * name,int name_length,long value TSRMLS_DC)3924 ZEND_API int zend_update_static_property_bool(zend_class_entry *scope, const char *name, int name_length, long value TSRMLS_DC) /* {{{ */
3925 {
3926 zval *tmp;
3927
3928 ALLOC_ZVAL(tmp);
3929 Z_UNSET_ISREF_P(tmp);
3930 Z_SET_REFCOUNT_P(tmp, 0);
3931 ZVAL_BOOL(tmp, value);
3932 return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3933 }
3934 /* }}} */
3935
zend_update_static_property_long(zend_class_entry * scope,const char * name,int name_length,long value TSRMLS_DC)3936 ZEND_API int zend_update_static_property_long(zend_class_entry *scope, const char *name, int name_length, long value TSRMLS_DC) /* {{{ */
3937 {
3938 zval *tmp;
3939
3940 ALLOC_ZVAL(tmp);
3941 Z_UNSET_ISREF_P(tmp);
3942 Z_SET_REFCOUNT_P(tmp, 0);
3943 ZVAL_LONG(tmp, value);
3944 return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3945 }
3946 /* }}} */
3947
zend_update_static_property_double(zend_class_entry * scope,const char * name,int name_length,double value TSRMLS_DC)3948 ZEND_API int zend_update_static_property_double(zend_class_entry *scope, const char *name, int name_length, double value TSRMLS_DC) /* {{{ */
3949 {
3950 zval *tmp;
3951
3952 ALLOC_ZVAL(tmp);
3953 Z_UNSET_ISREF_P(tmp);
3954 Z_SET_REFCOUNT_P(tmp, 0);
3955 ZVAL_DOUBLE(tmp, value);
3956 return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3957 }
3958 /* }}} */
3959
zend_update_static_property_string(zend_class_entry * scope,const char * name,int name_length,const char * value TSRMLS_DC)3960 ZEND_API int zend_update_static_property_string(zend_class_entry *scope, const char *name, int name_length, const char *value TSRMLS_DC) /* {{{ */
3961 {
3962 zval *tmp;
3963
3964 ALLOC_ZVAL(tmp);
3965 Z_UNSET_ISREF_P(tmp);
3966 Z_SET_REFCOUNT_P(tmp, 0);
3967 ZVAL_STRING(tmp, value, 1);
3968 return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3969 }
3970 /* }}} */
3971
zend_update_static_property_stringl(zend_class_entry * scope,const char * name,int name_length,const char * value,int value_len TSRMLS_DC)3972 ZEND_API int zend_update_static_property_stringl(zend_class_entry *scope, const char *name, int name_length, const char *value, int value_len TSRMLS_DC) /* {{{ */
3973 {
3974 zval *tmp;
3975
3976 ALLOC_ZVAL(tmp);
3977 Z_UNSET_ISREF_P(tmp);
3978 Z_SET_REFCOUNT_P(tmp, 0);
3979 ZVAL_STRINGL(tmp, value, value_len, 1);
3980 return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3981 }
3982 /* }}} */
3983
zend_read_property(zend_class_entry * scope,zval * object,const char * name,int name_length,zend_bool silent TSRMLS_DC)3984 ZEND_API zval *zend_read_property(zend_class_entry *scope, zval *object, const char *name, int name_length, zend_bool silent TSRMLS_DC) /* {{{ */
3985 {
3986 zval *property, *value;
3987 zend_class_entry *old_scope = EG(scope);
3988
3989 EG(scope) = scope;
3990
3991 if (!Z_OBJ_HT_P(object)->read_property) {
3992 const char *class_name;
3993 zend_uint class_name_len;
3994
3995 zend_get_object_classname(object, &class_name, &class_name_len TSRMLS_CC);
3996 zend_error(E_CORE_ERROR, "Property %s of class %s cannot be read", name, class_name);
3997 }
3998
3999 MAKE_STD_ZVAL(property);
4000 ZVAL_STRINGL(property, name, name_length, 1);
4001 value = Z_OBJ_HT_P(object)->read_property(object, property, silent?BP_VAR_IS:BP_VAR_R, 0 TSRMLS_CC);
4002 zval_ptr_dtor(&property);
4003
4004 EG(scope) = old_scope;
4005 return value;
4006 }
4007 /* }}} */
4008
zend_read_static_property(zend_class_entry * scope,const char * name,int name_length,zend_bool silent TSRMLS_DC)4009 ZEND_API zval *zend_read_static_property(zend_class_entry *scope, const char *name, int name_length, zend_bool silent TSRMLS_DC) /* {{{ */
4010 {
4011 zval **property;
4012 zend_class_entry *old_scope = EG(scope);
4013
4014 EG(scope) = scope;
4015 property = zend_std_get_static_property(scope, name, name_length, silent, NULL TSRMLS_CC);
4016 EG(scope) = old_scope;
4017
4018 return property?*property:NULL;
4019 }
4020 /* }}} */
4021
zend_save_error_handling(zend_error_handling * current TSRMLS_DC)4022 ZEND_API void zend_save_error_handling(zend_error_handling *current TSRMLS_DC) /* {{{ */
4023 {
4024 current->handling = EG(error_handling);
4025 current->exception = EG(exception_class);
4026 current->user_handler = EG(user_error_handler);
4027 if (current->user_handler) {
4028 Z_ADDREF_P(current->user_handler);
4029 }
4030 }
4031 /* }}} */
4032
zend_replace_error_handling(zend_error_handling_t error_handling,zend_class_entry * exception_class,zend_error_handling * current TSRMLS_DC)4033 ZEND_API void zend_replace_error_handling(zend_error_handling_t error_handling, zend_class_entry *exception_class, zend_error_handling *current TSRMLS_DC) /* {{{ */
4034 {
4035 if (current) {
4036 zend_save_error_handling(current TSRMLS_CC);
4037 if (error_handling != EH_NORMAL && EG(user_error_handler)) {
4038 zval_ptr_dtor(&EG(user_error_handler));
4039 EG(user_error_handler) = NULL;
4040 }
4041 }
4042 EG(error_handling) = error_handling;
4043 EG(exception_class) = error_handling == EH_THROW ? exception_class : NULL;
4044 }
4045 /* }}} */
4046
zend_restore_error_handling(zend_error_handling * saved TSRMLS_DC)4047 ZEND_API void zend_restore_error_handling(zend_error_handling *saved TSRMLS_DC) /* {{{ */
4048 {
4049 EG(error_handling) = saved->handling;
4050 EG(exception_class) = saved->handling == EH_THROW ? saved->exception : NULL;
4051 if (saved->user_handler && saved->user_handler != EG(user_error_handler)) {
4052 if (EG(user_error_handler)) {
4053 zval_ptr_dtor(&EG(user_error_handler));
4054 }
4055 EG(user_error_handler) = saved->user_handler;
4056 } else if (saved->user_handler) {
4057 zval_ptr_dtor(&saved->user_handler);
4058 }
4059 saved->user_handler = NULL;
4060 }
4061 /* }}} */
4062
zend_find_alias_name(zend_class_entry * ce,const char * name,zend_uint len)4063 ZEND_API const char* zend_find_alias_name(zend_class_entry *ce, const char *name, zend_uint len) /* {{{ */
4064 {
4065 zend_trait_alias *alias, **alias_ptr;
4066
4067 if ((alias_ptr = ce->trait_aliases)) {
4068 alias = *alias_ptr;
4069 while (alias) {
4070 if (alias->alias_len == len &&
4071 !strncasecmp(name, alias->alias, alias->alias_len)) {
4072 return alias->alias;
4073 }
4074 alias_ptr++;
4075 alias = *alias_ptr;
4076 }
4077 }
4078
4079 return name;
4080 }
4081 /* }}} */
4082
zend_resolve_method_name(zend_class_entry * ce,zend_function * f)4083 ZEND_API const char* zend_resolve_method_name(zend_class_entry *ce, zend_function *f) /* {{{ */
4084 {
4085 zend_function *func;
4086 HashPosition iterator;
4087 HashTable *function_table;
4088
4089 if (f->common.type != ZEND_USER_FUNCTION ||
4090 *(f->op_array.refcount) < 2 ||
4091 !f->common.scope ||
4092 !f->common.scope->trait_aliases) {
4093 return f->common.function_name;
4094 }
4095
4096 function_table = &ce->function_table;
4097 zend_hash_internal_pointer_reset_ex(function_table, &iterator);
4098 while (zend_hash_get_current_data_ex(function_table, (void **)&func, &iterator) == SUCCESS) {
4099 if (func == f) {
4100 char *name;
4101 uint len;
4102 ulong idx;
4103
4104 if (zend_hash_get_current_key_ex(function_table, &name, &len, &idx, 0, &iterator) != HASH_KEY_IS_STRING) {
4105 return f->common.function_name;
4106 }
4107 --len;
4108 if (len == strlen(f->common.function_name) &&
4109 !strncasecmp(name, f->common.function_name, len)) {
4110 return f->common.function_name;
4111 }
4112 return zend_find_alias_name(f->common.scope, name, len);
4113 }
4114 zend_hash_move_forward_ex(function_table, &iterator);
4115 }
4116 return f->common.function_name;
4117 }
4118 /* }}} */
4119
4120 /*
4121 * Local variables:
4122 * tab-width: 4
4123 * c-basic-offset: 4
4124 * indent-tabs-mode: t
4125 * End:
4126 */
4127