xref: /PHP-5.3/Zend/zend_API.c (revision 831fbcf3)
1 /*
2    +----------------------------------------------------------------------+
3    | Zend Engine                                                          |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1998-2013 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 /* this function doesn't check for too many parameters */
zend_get_parameters(int ht,int param_count,...)39 ZEND_API int zend_get_parameters(int ht, int param_count, ...) /* {{{ */
40 {
41 	void **p;
42 	int arg_count;
43 	va_list ptr;
44 	zval **param, *param_ptr;
45 	TSRMLS_FETCH();
46 
47 	p = zend_vm_stack_top(TSRMLS_C) - 1;
48 	arg_count = (int)(zend_uintptr_t) *p;
49 
50 	if (param_count>arg_count) {
51 		return FAILURE;
52 	}
53 
54 	va_start(ptr, param_count);
55 
56 	while (param_count-->0) {
57 		param = va_arg(ptr, zval **);
58 		param_ptr = *(p-arg_count);
59 		if (!PZVAL_IS_REF(param_ptr) && Z_REFCOUNT_P(param_ptr) > 1) {
60 			zval *new_tmp;
61 
62 			ALLOC_ZVAL(new_tmp);
63 			*new_tmp = *param_ptr;
64 			zval_copy_ctor(new_tmp);
65 			INIT_PZVAL(new_tmp);
66 			param_ptr = new_tmp;
67 			Z_DELREF_P((zval *) *(p-arg_count));
68 			*(p-arg_count) = param_ptr;
69 		}
70 		*param = param_ptr;
71 		arg_count--;
72 	}
73 	va_end(ptr);
74 
75 	return SUCCESS;
76 }
77 /* }}} */
78 
_zend_get_parameters_array(int ht,int param_count,zval ** argument_array TSRMLS_DC)79 ZEND_API int _zend_get_parameters_array(int ht, int param_count, zval **argument_array TSRMLS_DC) /* {{{ */
80 {
81 	void **p;
82 	int arg_count;
83 	zval *param_ptr;
84 
85 	p = zend_vm_stack_top(TSRMLS_C) - 1;
86 	arg_count = (int)(zend_uintptr_t) *p;
87 
88 	if (param_count>arg_count) {
89 		return FAILURE;
90 	}
91 
92 	while (param_count-->0) {
93 		param_ptr = *(p-arg_count);
94 		if (!PZVAL_IS_REF(param_ptr) && Z_REFCOUNT_P(param_ptr) > 1) {
95 			zval *new_tmp;
96 
97 			ALLOC_ZVAL(new_tmp);
98 			*new_tmp = *param_ptr;
99 			zval_copy_ctor(new_tmp);
100 			INIT_PZVAL(new_tmp);
101 			param_ptr = new_tmp;
102 			Z_DELREF_P((zval *) *(p-arg_count));
103 			*(p-arg_count) = param_ptr;
104 		}
105 		*(argument_array++) = param_ptr;
106 		arg_count--;
107 	}
108 
109 	return SUCCESS;
110 }
111 /* }}} */
112 
113 /* Zend-optimized Extended functions */
114 /* this function doesn't check for too many parameters */
zend_get_parameters_ex(int param_count,...)115 ZEND_API int zend_get_parameters_ex(int param_count, ...) /* {{{ */
116 {
117 	void **p;
118 	int arg_count;
119 	va_list ptr;
120 	zval ***param;
121 	TSRMLS_FETCH();
122 
123 	p = zend_vm_stack_top(TSRMLS_C) - 1;
124 	arg_count = (int)(zend_uintptr_t) *p;
125 
126 	if (param_count>arg_count) {
127 		return FAILURE;
128 	}
129 
130 	va_start(ptr, param_count);
131 	while (param_count-->0) {
132 		param = va_arg(ptr, zval ***);
133 		*param = (zval **) p-(arg_count--);
134 	}
135 	va_end(ptr);
136 
137 	return SUCCESS;
138 }
139 /* }}} */
140 
_zend_get_parameters_array_ex(int param_count,zval *** argument_array TSRMLS_DC)141 ZEND_API int _zend_get_parameters_array_ex(int param_count, zval ***argument_array TSRMLS_DC) /* {{{ */
142 {
143 	void **p;
144 	int arg_count;
145 
146 	p = zend_vm_stack_top(TSRMLS_C) - 1;
147 	arg_count = (int)(zend_uintptr_t) *p;
148 
149 	if (param_count>arg_count) {
150 		return FAILURE;
151 	}
152 
153 	while (param_count-->0) {
154 		zval **value = (zval**)(p-arg_count);
155 
156 		*(argument_array++) = value;
157 		arg_count--;
158 	}
159 
160 	return SUCCESS;
161 }
162 /* }}} */
163 
zend_copy_parameters_array(int param_count,zval * argument_array TSRMLS_DC)164 ZEND_API int zend_copy_parameters_array(int param_count, zval *argument_array TSRMLS_DC) /* {{{ */
165 {
166 	void **p;
167 	int arg_count;
168 
169 	p = zend_vm_stack_top(TSRMLS_C) - 1;
170 	arg_count = (int)(zend_uintptr_t) *p;
171 
172 	if (param_count>arg_count) {
173 		return FAILURE;
174 	}
175 
176 	while (param_count-->0) {
177 		zval **param = (zval **) p-(arg_count--);
178 		zval_add_ref(param);
179 		add_next_index_zval(argument_array, *param);
180 	}
181 
182 	return SUCCESS;
183 }
184 /* }}} */
185 
zend_wrong_param_count(TSRMLS_D)186 ZEND_API void zend_wrong_param_count(TSRMLS_D) /* {{{ */
187 {
188 	char *space;
189 	char *class_name = get_active_class_name(&space TSRMLS_CC);
190 
191 	zend_error(E_WARNING, "Wrong parameter count for %s%s%s()", class_name, space, get_active_function_name(TSRMLS_C));
192 }
193 /* }}} */
194 
195 /* Argument parsing API -- andrei */
zend_get_type_by_const(int type)196 ZEND_API char *zend_get_type_by_const(int type) /* {{{ */
197 {
198 	switch(type) {
199 		case IS_BOOL:
200 			return "boolean";
201 		case IS_LONG:
202 			return "integer";
203 		case IS_DOUBLE:
204 			return "double";
205 		case IS_STRING:
206 			return "string";
207 		case IS_OBJECT:
208 			return "object";
209 		case IS_RESOURCE:
210 			return "resource";
211 		case IS_NULL:
212 			return "null";
213 		case IS_ARRAY:
214 			return "array";
215 		default:
216 			return "unknown";
217 	}
218 }
219 /* }}} */
220 
zend_zval_type_name(const zval * arg)221 ZEND_API char *zend_zval_type_name(const zval *arg) /* {{{ */
222 {
223 	return zend_get_type_by_const(Z_TYPE_P(arg));
224 }
225 /* }}} */
226 
zend_get_class_entry(const zval * zobject TSRMLS_DC)227 ZEND_API zend_class_entry *zend_get_class_entry(const zval *zobject TSRMLS_DC) /* {{{ */
228 {
229 	if (Z_OBJ_HT_P(zobject)->get_class_entry) {
230 		return Z_OBJ_HT_P(zobject)->get_class_entry(zobject TSRMLS_CC);
231 	} else {
232 		zend_error(E_ERROR, "Class entry requested for an object without PHP class");
233 		return NULL;
234 	}
235 }
236 /* }}} */
237 
238 /* returns 1 if you need to copy result, 0 if it's already a copy */
zend_get_object_classname(const zval * object,char ** class_name,zend_uint * class_name_len TSRMLS_DC)239 ZEND_API int zend_get_object_classname(const zval *object, char **class_name, zend_uint *class_name_len TSRMLS_DC) /* {{{ */
240 {
241 	if (Z_OBJ_HT_P(object)->get_class_name == NULL ||
242 		Z_OBJ_HT_P(object)->get_class_name(object, class_name, class_name_len, 0 TSRMLS_CC) != SUCCESS) {
243 		zend_class_entry *ce = Z_OBJCE_P(object);
244 
245 		*class_name = ce->name;
246 		*class_name_len = ce->name_length;
247 		return 1;
248 	}
249 	return 0;
250 }
251 /* }}} */
252 
parse_arg_object_to_string(zval ** arg TSRMLS_DC)253 static int parse_arg_object_to_string(zval **arg TSRMLS_DC) /* {{{ */
254 {
255 	if (Z_OBJ_HANDLER_PP(arg, cast_object)) {
256 		zval *obj;
257 		MAKE_STD_ZVAL(obj);
258 		if (Z_OBJ_HANDLER_P(*arg, cast_object)(*arg, obj, IS_STRING TSRMLS_CC) == SUCCESS) {
259 			zval_ptr_dtor(arg);
260 			*arg = obj;
261 			return SUCCESS;
262 		}
263 		efree(obj);
264 	}
265 	/* Standard PHP objects */
266 	if (Z_OBJ_HT_PP(arg) == &std_object_handlers || !Z_OBJ_HANDLER_PP(arg, cast_object)) {
267 		SEPARATE_ZVAL_IF_NOT_REF(arg);
268 		if (zend_std_cast_object_tostring(*arg, *arg, IS_STRING TSRMLS_CC) == SUCCESS) {
269 			return SUCCESS;
270 		}
271 	}
272 	if (!Z_OBJ_HANDLER_PP(arg, cast_object) && Z_OBJ_HANDLER_PP(arg, get)) {
273 		int use_copy;
274 		zval *z = Z_OBJ_HANDLER_PP(arg, get)(*arg TSRMLS_CC);
275 		Z_ADDREF_P(z);
276 		if(Z_TYPE_P(z) != IS_OBJECT) {
277 			zval_dtor(*arg);
278 			Z_TYPE_P(*arg) = IS_NULL;
279 			zend_make_printable_zval(z, *arg, &use_copy);
280 			if (!use_copy) {
281 				ZVAL_ZVAL(*arg, z, 1, 1);
282 			}
283 			return SUCCESS;
284 		}
285 		zval_ptr_dtor(&z);
286 	}
287 	return FAILURE;
288 }
289 /* }}} */
290 
zend_parse_arg_impl(int arg_num,zval ** arg,va_list * va,char ** spec,char ** error,int * severity TSRMLS_DC)291 static char *zend_parse_arg_impl(int arg_num, zval **arg, va_list *va, char **spec, char **error, int *severity TSRMLS_DC) /* {{{ */
292 {
293 	char *spec_walk = *spec;
294 	char c = *spec_walk++;
295 	int return_null = 0;
296 
297 	/* scan through modifiers */
298 	while (1) {
299 		if (*spec_walk == '/') {
300 			SEPARATE_ZVAL_IF_NOT_REF(arg);
301 		} else if (*spec_walk == '!') {
302 			if (Z_TYPE_PP(arg) == IS_NULL) {
303 				return_null = 1;
304 			}
305 		} else {
306 			break;
307 		}
308 		spec_walk++;
309 	}
310 
311 	switch (c) {
312 		case 'l':
313 		case 'L':
314 			{
315 				long *p = va_arg(*va, long *);
316 				switch (Z_TYPE_PP(arg)) {
317 					case IS_STRING:
318 						{
319 							double d;
320 							int type;
321 
322 							if ((type = is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), p, &d, -1)) == 0) {
323 								return "long";
324 							} else if (type == IS_DOUBLE) {
325 								if (c == 'L') {
326 									if (d > LONG_MAX) {
327 										*p = LONG_MAX;
328 										break;
329 									} else if (d < LONG_MIN) {
330 										*p = LONG_MIN;
331 										break;
332 									}
333 								}
334 
335 								*p = zend_dval_to_lval(d);
336 							}
337 						}
338 						break;
339 
340 					case IS_DOUBLE:
341 						if (c == 'L') {
342 							if (Z_DVAL_PP(arg) > LONG_MAX) {
343 								*p = LONG_MAX;
344 								break;
345 							} else if (Z_DVAL_PP(arg) < LONG_MIN) {
346 								*p = LONG_MIN;
347 								break;
348 							}
349 						}
350 					case IS_NULL:
351 					case IS_LONG:
352 					case IS_BOOL:
353 						convert_to_long_ex(arg);
354 						*p = Z_LVAL_PP(arg);
355 						break;
356 
357 					case IS_ARRAY:
358 					case IS_OBJECT:
359 					case IS_RESOURCE:
360 					default:
361 						return "long";
362 				}
363 			}
364 			break;
365 
366 		case 'd':
367 			{
368 				double *p = va_arg(*va, double *);
369 				switch (Z_TYPE_PP(arg)) {
370 					case IS_STRING:
371 						{
372 							long l;
373 							int type;
374 
375 							if ((type = is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &l, p, -1)) == 0) {
376 								return "double";
377 							} else if (type == IS_LONG) {
378 								*p = (double) l;
379 							}
380 						}
381 						break;
382 
383 					case IS_NULL:
384 					case IS_LONG:
385 					case IS_DOUBLE:
386 					case IS_BOOL:
387 						convert_to_double_ex(arg);
388 						*p = Z_DVAL_PP(arg);
389 						break;
390 
391 					case IS_ARRAY:
392 					case IS_OBJECT:
393 					case IS_RESOURCE:
394 					default:
395 						return "double";
396 				}
397 			}
398 			break;
399 
400 		case 's':
401 			{
402 				char **p = va_arg(*va, char **);
403 				int *pl = va_arg(*va, int *);
404 				switch (Z_TYPE_PP(arg)) {
405 					case IS_NULL:
406 						if (return_null) {
407 							*p = NULL;
408 							*pl = 0;
409 							break;
410 						}
411 						/* break omitted intentionally */
412 
413 					case IS_STRING:
414 					case IS_LONG:
415 					case IS_DOUBLE:
416 					case IS_BOOL:
417 						convert_to_string_ex(arg);
418 						if (UNEXPECTED(Z_ISREF_PP(arg) != 0)) {
419 							/* it's dangerous to return pointers to string
420 							   buffer of referenced variable, because it can
421 							   be clobbered throug magic callbacks */
422 							SEPARATE_ZVAL(arg);
423 						}
424 						*p = Z_STRVAL_PP(arg);
425 						*pl = Z_STRLEN_PP(arg);
426 						break;
427 
428 					case IS_OBJECT:
429 					case IS_ARRAY:
430 					case IS_RESOURCE:
431 					default:
432 						return "string";
433 				}
434 			}
435 			break;
436 
437 		case 'b':
438 			{
439 				zend_bool *p = va_arg(*va, zend_bool *);
440 				switch (Z_TYPE_PP(arg)) {
441 					case IS_NULL:
442 					case IS_STRING:
443 					case IS_LONG:
444 					case IS_DOUBLE:
445 					case IS_BOOL:
446 						convert_to_boolean_ex(arg);
447 						*p = Z_BVAL_PP(arg);
448 						break;
449 
450 					case IS_ARRAY:
451 					case IS_OBJECT:
452 					case IS_RESOURCE:
453 					default:
454 						return "boolean";
455 				}
456 			}
457 			break;
458 
459 		case 'r':
460 			{
461 				zval **p = va_arg(*va, zval **);
462 				if (return_null) {
463 					*p = NULL;
464 					break;
465 				}
466 				if (Z_TYPE_PP(arg) == IS_RESOURCE) {
467 					*p = *arg;
468 				} else {
469 					return "resource";
470 				}
471 			}
472 			break;
473 		case 'A':
474 		case 'a':
475 			{
476 				zval **p = va_arg(*va, zval **);
477 				if (return_null) {
478 					*p = NULL;
479 					break;
480 				}
481 				if (Z_TYPE_PP(arg) == IS_ARRAY || (c == 'A' && Z_TYPE_PP(arg) == IS_OBJECT)) {
482 					*p = *arg;
483 				} else {
484 					return "array";
485 				}
486 			}
487 			break;
488 		case 'H':
489 		case 'h':
490 			{
491 				HashTable **p = va_arg(*va, HashTable **);
492 				if (return_null) {
493 					*p = NULL;
494 					break;
495 				}
496 				if (Z_TYPE_PP(arg) == IS_ARRAY) {
497 					*p = Z_ARRVAL_PP(arg);
498 				} else if(c == 'H' && Z_TYPE_PP(arg) == IS_OBJECT) {
499 					*p = HASH_OF(*arg);
500 					if(*p == NULL) {
501 						return "array";
502 					}
503 				} else {
504 					return "array";
505 				}
506 			}
507 			break;
508 
509 		case 'o':
510 			{
511 				zval **p = va_arg(*va, zval **);
512 				if (return_null) {
513 					*p = NULL;
514 					break;
515 				}
516 				if (Z_TYPE_PP(arg) == IS_OBJECT) {
517 					*p = *arg;
518 				} else {
519 					return "object";
520 				}
521 			}
522 			break;
523 
524 		case 'O':
525 			{
526 				zval **p = va_arg(*va, zval **);
527 				zend_class_entry *ce = va_arg(*va, zend_class_entry *);
528 
529 				if (return_null) {
530 					*p = NULL;
531 					break;
532 				}
533 				if (Z_TYPE_PP(arg) == IS_OBJECT &&
534 						(!ce || instanceof_function(Z_OBJCE_PP(arg), ce TSRMLS_CC))) {
535 					*p = *arg;
536 				} else {
537 					if (ce) {
538 						return ce->name;
539 					} else {
540 						return "object";
541 					}
542 				}
543 			}
544 			break;
545 
546 		case 'C':
547 			{
548 				zend_class_entry **lookup, **pce = va_arg(*va, zend_class_entry **);
549 				zend_class_entry *ce_base = *pce;
550 
551 				if (return_null) {
552 					*pce = NULL;
553 					break;
554 				}
555 				convert_to_string_ex(arg);
556 				if (zend_lookup_class(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &lookup TSRMLS_CC) == FAILURE) {
557 					*pce = NULL;
558 				} else {
559 					*pce = *lookup;
560 				}
561 				if (ce_base) {
562 					if ((!*pce || !instanceof_function(*pce, ce_base TSRMLS_CC))) {
563 						zend_spprintf(error, 0, "to be a class name derived from %s, '%s' given",
564 							ce_base->name, Z_STRVAL_PP(arg));
565 						*pce = NULL;
566 						return "";
567 					}
568 				}
569 				if (!*pce) {
570 					zend_spprintf(error, 0, "to be a valid class name, '%s' given",
571 						Z_STRVAL_PP(arg));
572 					return "";
573 				}
574 				break;
575 
576 			}
577 			break;
578 
579 		case 'f':
580 			{
581 				zend_fcall_info *fci = va_arg(*va, zend_fcall_info *);
582 				zend_fcall_info_cache *fcc = va_arg(*va, zend_fcall_info_cache *);
583 				char *is_callable_error = NULL;
584 
585 				if (return_null) {
586 					fci->size = 0;
587 					fcc->initialized = 0;
588 					break;
589 				}
590 
591 				if (zend_fcall_info_init(*arg, 0, fci, fcc, NULL, &is_callable_error TSRMLS_CC) == SUCCESS) {
592 					if (is_callable_error) {
593 						*severity = E_STRICT;
594 						zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
595 						efree(is_callable_error);
596 						*spec = spec_walk;
597 						return "";
598 					}
599 					break;
600 				} else {
601 					if (is_callable_error) {
602 						*severity = E_WARNING;
603 						zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
604 						efree(is_callable_error);
605 						return "";
606 					} else {
607 						return "valid callback";
608 					}
609 				}
610 			}
611 
612 		case 'z':
613 			{
614 				zval **p = va_arg(*va, zval **);
615 				if (return_null) {
616 					*p = NULL;
617 				} else {
618 					*p = *arg;
619 				}
620 			}
621 			break;
622 
623 		case 'Z':
624 			{
625 				zval ***p = va_arg(*va, zval ***);
626 				if (return_null) {
627 					*p = NULL;
628 				} else {
629 					*p = arg;
630 				}
631 			}
632 			break;
633 
634 		default:
635 			return "unknown";
636 	}
637 
638 	*spec = spec_walk;
639 
640 	return NULL;
641 }
642 /* }}} */
643 
zend_parse_arg(int arg_num,zval ** arg,va_list * va,char ** spec,int quiet TSRMLS_DC)644 static int zend_parse_arg(int arg_num, zval **arg, va_list *va, char **spec, int quiet TSRMLS_DC) /* {{{ */
645 {
646 	char *expected_type = NULL, *error = NULL;
647 	int severity = E_WARNING;
648 
649 	expected_type = zend_parse_arg_impl(arg_num, arg, va, spec, &error, &severity TSRMLS_CC);
650 	if (expected_type) {
651 		if (!quiet && (*expected_type || error)) {
652 			char *space;
653 			char *class_name = get_active_class_name(&space TSRMLS_CC);
654 
655 			if (error) {
656 				zend_error(severity, "%s%s%s() expects parameter %d %s",
657 						class_name, space, get_active_function_name(TSRMLS_C), arg_num, error);
658 				efree(error);
659 			} else {
660 				zend_error(severity, "%s%s%s() expects parameter %d to be %s, %s given",
661 						class_name, space, get_active_function_name(TSRMLS_C), arg_num, expected_type,
662 						zend_zval_type_name(*arg));
663 			}
664 		}
665 		if (severity != E_STRICT) {
666 			return FAILURE;
667 		}
668 	}
669 
670 	return SUCCESS;
671 }
672 /* }}} */
673 
zend_parse_va_args(int num_args,char * type_spec,va_list * va,int flags TSRMLS_DC)674 static int zend_parse_va_args(int num_args, char *type_spec, va_list *va, int flags TSRMLS_DC) /* {{{ */
675 {
676 	char *spec_walk;
677 	int c, i;
678 	int min_num_args = -1;
679 	int max_num_args = 0;
680 	int post_varargs = 0;
681 	zval **arg;
682 	int arg_count = (int)(zend_uintptr_t) *(zend_vm_stack_top(TSRMLS_C) - 1);
683 	int quiet = flags & ZEND_PARSE_PARAMS_QUIET;
684 	zend_bool have_varargs = 0;
685 	zval ****varargs = NULL;
686 	int *n_varargs = NULL;
687 
688 	for (spec_walk = type_spec; *spec_walk; spec_walk++) {
689 		c = *spec_walk;
690 		switch (c) {
691 			case 's':
692 				if (max_num_args < arg_count) {
693 					arg = (zval **) (zend_vm_stack_top(TSRMLS_C) - 1 - (arg_count - max_num_args));
694 					if (Z_TYPE_PP(arg) == IS_OBJECT) {
695 						parse_arg_object_to_string(arg TSRMLS_CC);
696 					}
697 				}
698 				/* break missing intentionally */
699 			case 'l': case 'd':
700 			case 'H': case 'b':
701 			case 'r': case 'a':
702 			case 'o': case 'O':
703 			case 'z': case 'Z':
704 			case 'C': case 'h':
705 			case 'f': case 'A':
706 				max_num_args++;
707 				break;
708 
709 			case '|':
710 				min_num_args = max_num_args;
711 				break;
712 
713 			case '/':
714 			case '!':
715 				/* Pass */
716 				break;
717 
718 			case '*':
719 			case '+':
720 				if (have_varargs) {
721 					if (!quiet) {
722 						zend_function *active_function = EG(current_execute_data)->function_state.function;
723 						char *class_name = active_function->common.scope ? active_function->common.scope->name : "";
724 						zend_error(E_WARNING, "%s%s%s(): only one varargs specifier (* or +) is permitted",
725 								class_name,
726 								class_name[0] ? "::" : "",
727 								active_function->common.function_name);
728 					}
729 					return FAILURE;
730 				}
731 				have_varargs = 1;
732 				/* we expect at least one parameter in varargs */
733 				if (c == '+') {
734 					max_num_args++;
735 				}
736 				/* mark the beginning of varargs */
737 				post_varargs = max_num_args;
738 				break;
739 
740 			default:
741 				if (!quiet) {
742 					zend_function *active_function = EG(current_execute_data)->function_state.function;
743 					char *class_name = active_function->common.scope ? active_function->common.scope->name : "";
744 					zend_error(E_WARNING, "%s%s%s(): bad type specifier while parsing parameters",
745 							class_name,
746 							class_name[0] ? "::" : "",
747 							active_function->common.function_name);
748 				}
749 				return FAILURE;
750 		}
751 	}
752 
753 	if (min_num_args < 0) {
754 		min_num_args = max_num_args;
755 	}
756 
757 	if (have_varargs) {
758 		/* calculate how many required args are at the end of the specifier list */
759 		post_varargs = max_num_args - post_varargs;
760 		max_num_args = -1;
761 	}
762 
763 	if (num_args < min_num_args || (num_args > max_num_args && max_num_args > 0)) {
764 		if (!quiet) {
765 			zend_function *active_function = EG(current_execute_data)->function_state.function;
766 			char *class_name = active_function->common.scope ? active_function->common.scope->name : "";
767 			zend_error(E_WARNING, "%s%s%s() expects %s %d parameter%s, %d given",
768 					class_name,
769 					class_name[0] ? "::" : "",
770 					active_function->common.function_name,
771 					min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
772 					num_args < min_num_args ? min_num_args : max_num_args,
773 					(num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
774 					num_args);
775 		}
776 		return FAILURE;
777 	}
778 
779 	if (num_args > arg_count) {
780 		zend_error(E_WARNING, "%s(): could not obtain parameters for parsing",
781 			get_active_function_name(TSRMLS_C));
782 		return FAILURE;
783 	}
784 
785 	i = 0;
786 	while (num_args-- > 0) {
787 		if (*type_spec == '|') {
788 			type_spec++;
789 		}
790 
791 		if (*type_spec == '*' || *type_spec == '+') {
792 			int num_varargs = num_args + 1 - post_varargs;
793 
794 			/* eat up the passed in storage even if it won't be filled in with varargs */
795 			varargs = va_arg(*va, zval ****);
796 			n_varargs = va_arg(*va, int *);
797 			type_spec++;
798 
799 			if (num_varargs > 0) {
800 				int iv = 0;
801 				zval **p = (zval **) (zend_vm_stack_top(TSRMLS_C) - 1 - (arg_count - i));
802 
803 				*n_varargs = num_varargs;
804 
805 				/* allocate space for array and store args */
806 				*varargs = safe_emalloc(num_varargs, sizeof(zval **), 0);
807 				while (num_varargs-- > 0) {
808 					(*varargs)[iv++] = p++;
809 				}
810 
811 				/* adjust how many args we have left and restart loop */
812 				num_args = num_args + 1 - iv;
813 				i += iv;
814 				continue;
815 			} else {
816 				*varargs = NULL;
817 				*n_varargs = 0;
818 			}
819 		}
820 
821 		arg = (zval **) (zend_vm_stack_top(TSRMLS_C) - 1 - (arg_count-i));
822 
823 		if (zend_parse_arg(i+1, arg, va, &type_spec, quiet TSRMLS_CC) == FAILURE) {
824 			/* clean up varargs array if it was used */
825 			if (varargs && *varargs) {
826 				efree(*varargs);
827 				*varargs = NULL;
828 			}
829 			return FAILURE;
830 		}
831 		i++;
832 	}
833 
834 	return SUCCESS;
835 }
836 /* }}} */
837 
838 #define RETURN_IF_ZERO_ARGS(num_args, type_spec, quiet) { \
839 	int __num_args = (num_args); \
840 	\
841 	if (0 == (type_spec)[0] && 0 != __num_args && !(quiet)) { \
842 		char *__space; \
843 		char * __class_name = get_active_class_name(&__space TSRMLS_CC); \
844 		zend_error(E_WARNING, "%s%s%s() expects exactly 0 parameters, %d given", \
845 			__class_name, __space, \
846 			get_active_function_name(TSRMLS_C), __num_args); \
847 		return FAILURE; \
848 	}\
849 }
850 
zend_parse_parameters_ex(int flags,int num_args TSRMLS_DC,char * type_spec,...)851 ZEND_API int zend_parse_parameters_ex(int flags, int num_args TSRMLS_DC, char *type_spec, ...) /* {{{ */
852 {
853 	va_list va;
854 	int retval;
855 
856 	RETURN_IF_ZERO_ARGS(num_args, type_spec, flags & ZEND_PARSE_PARAMS_QUIET);
857 
858 	va_start(va, type_spec);
859 	retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC);
860 	va_end(va);
861 
862 	return retval;
863 }
864 /* }}} */
865 
zend_parse_parameters(int num_args TSRMLS_DC,char * type_spec,...)866 ZEND_API int zend_parse_parameters(int num_args TSRMLS_DC, char *type_spec, ...) /* {{{ */
867 {
868 	va_list va;
869 	int retval;
870 
871 	RETURN_IF_ZERO_ARGS(num_args, type_spec, 0);
872 
873 	va_start(va, type_spec);
874 	retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC);
875 	va_end(va);
876 
877 	return retval;
878 }
879 /* }}} */
880 
zend_parse_method_parameters(int num_args TSRMLS_DC,zval * this_ptr,char * type_spec,...)881 ZEND_API int zend_parse_method_parameters(int num_args TSRMLS_DC, zval *this_ptr, char *type_spec, ...) /* {{{ */
882 {
883 	va_list va;
884 	int retval;
885 	char *p = type_spec;
886 	zval **object;
887 	zend_class_entry *ce;
888 
889 	if (!this_ptr) {
890 		RETURN_IF_ZERO_ARGS(num_args, p, 0);
891 
892 		va_start(va, type_spec);
893 		retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC);
894 		va_end(va);
895 	} else {
896 		p++;
897 		RETURN_IF_ZERO_ARGS(num_args, p, 0);
898 
899 		va_start(va, type_spec);
900 
901 		object = va_arg(va, zval **);
902 		ce = va_arg(va, zend_class_entry *);
903 		*object = this_ptr;
904 
905 		if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce TSRMLS_CC)) {
906 			zend_error(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
907 				ce->name, get_active_function_name(TSRMLS_C), Z_OBJCE_P(this_ptr)->name, get_active_function_name(TSRMLS_C));
908 		}
909 
910 		retval = zend_parse_va_args(num_args, p, &va, 0 TSRMLS_CC);
911 		va_end(va);
912 	}
913 	return retval;
914 }
915 /* }}} */
916 
zend_parse_method_parameters_ex(int flags,int num_args TSRMLS_DC,zval * this_ptr,char * type_spec,...)917 ZEND_API int zend_parse_method_parameters_ex(int flags, int num_args TSRMLS_DC, zval *this_ptr, char *type_spec, ...) /* {{{ */
918 {
919 	va_list va;
920 	int retval;
921 	char *p = type_spec;
922 	zval **object;
923 	zend_class_entry *ce;
924 	int quiet = flags & ZEND_PARSE_PARAMS_QUIET;
925 
926 	if (!this_ptr) {
927 		RETURN_IF_ZERO_ARGS(num_args, p, quiet);
928 
929 		va_start(va, type_spec);
930 		retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC);
931 		va_end(va);
932 	} else {
933 		p++;
934 		RETURN_IF_ZERO_ARGS(num_args, p, quiet);
935 
936 		va_start(va, type_spec);
937 
938 		object = va_arg(va, zval **);
939 		ce = va_arg(va, zend_class_entry *);
940 		*object = this_ptr;
941 
942 		if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce TSRMLS_CC)) {
943 			if (!quiet) {
944 				zend_error(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
945 					ce->name, get_active_function_name(TSRMLS_C), Z_OBJCE_P(this_ptr)->name, get_active_function_name(TSRMLS_C));
946 			}
947 			va_end(va);
948 			return FAILURE;
949 		}
950 
951 		retval = zend_parse_va_args(num_args, p, &va, flags TSRMLS_CC);
952 		va_end(va);
953 	}
954 	return retval;
955 }
956 /* }}} */
957 
958 /* Argument parsing API -- andrei */
_array_init(zval * arg,uint size ZEND_FILE_LINE_DC)959 ZEND_API int _array_init(zval *arg, uint size ZEND_FILE_LINE_DC) /* {{{ */
960 {
961 	ALLOC_HASHTABLE_REL(Z_ARRVAL_P(arg));
962 
963 	_zend_hash_init(Z_ARRVAL_P(arg), size, NULL, ZVAL_PTR_DTOR, 0 ZEND_FILE_LINE_RELAY_CC);
964 	Z_TYPE_P(arg) = IS_ARRAY;
965 	return SUCCESS;
966 }
967 /* }}} */
968 
zend_merge_property(zval ** value TSRMLS_DC,int num_args,va_list args,const zend_hash_key * hash_key)969 static int zend_merge_property(zval **value TSRMLS_DC, int num_args, va_list args, const zend_hash_key *hash_key) /* {{{ */
970 {
971 	/* which name should a numeric property have ? */
972 	if (hash_key->nKeyLength) {
973 		zval *obj = va_arg(args, zval *);
974 		zend_object_handlers *obj_ht = va_arg(args, zend_object_handlers *);
975 		zval *member;
976 
977 		MAKE_STD_ZVAL(member);
978 		ZVAL_STRINGL(member, hash_key->arKey, hash_key->nKeyLength-1, 1);
979 		obj_ht->write_property(obj, member, *value TSRMLS_CC);
980 		zval_ptr_dtor(&member);
981 	}
982 	return ZEND_HASH_APPLY_KEEP;
983 }
984 /* }}} */
985 
986 /* This function should be called after the constructor has been called
987  * because it may call __set from the uninitialized object otherwise. */
zend_merge_properties(zval * obj,HashTable * properties,int destroy_ht TSRMLS_DC)988 ZEND_API void zend_merge_properties(zval *obj, HashTable *properties, int destroy_ht TSRMLS_DC) /* {{{ */
989 {
990 	zend_object_handlers *obj_ht = Z_OBJ_HT_P(obj);
991 	zend_class_entry *old_scope = EG(scope);
992 
993 	EG(scope) = Z_OBJCE_P(obj);
994 	zend_hash_apply_with_arguments(properties TSRMLS_CC, (apply_func_args_t)zend_merge_property, 2, obj, obj_ht);
995 	EG(scope) = old_scope;
996 
997 	if (destroy_ht) {
998 		zend_hash_destroy(properties);
999 		FREE_HASHTABLE(properties);
1000 	}
1001 }
1002 /* }}} */
1003 
zend_update_class_constants(zend_class_entry * class_type TSRMLS_DC)1004 ZEND_API void zend_update_class_constants(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
1005 {
1006 	if (!class_type->constants_updated || !CE_STATIC_MEMBERS(class_type)) {
1007 		zend_class_entry **scope = EG(in_execution)?&EG(scope):&CG(active_class_entry);
1008 		zend_class_entry *old_scope = *scope;
1009 
1010 		*scope = class_type;
1011 		zend_hash_apply_with_argument(&class_type->constants_table, (apply_func_arg_t) zval_update_constant, (void*)1 TSRMLS_CC);
1012 		zend_hash_apply_with_argument(&class_type->default_properties, (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC);
1013 
1014 		if (!CE_STATIC_MEMBERS(class_type)) {
1015 			HashPosition pos;
1016 			zval **p;
1017 
1018 			if (class_type->parent) {
1019 				zend_update_class_constants(class_type->parent TSRMLS_CC);
1020 			}
1021 #if ZTS
1022 			ALLOC_HASHTABLE(CG(static_members)[(zend_intptr_t)(class_type->static_members)]);
1023 #else
1024 			ALLOC_HASHTABLE(class_type->static_members);
1025 #endif
1026 			zend_hash_init(CE_STATIC_MEMBERS(class_type), zend_hash_num_elements(&class_type->default_static_members), NULL, ZVAL_PTR_DTOR, 0);
1027 
1028 			zend_hash_internal_pointer_reset_ex(&class_type->default_static_members, &pos);
1029 			while (zend_hash_get_current_data_ex(&class_type->default_static_members, (void**)&p, &pos) == SUCCESS) {
1030 				char *str_index;
1031 				uint str_length;
1032 				ulong num_index;
1033 				zval **q;
1034 
1035 				zend_hash_get_current_key_ex(&class_type->default_static_members, &str_index, &str_length, &num_index, 0, &pos);
1036 				if (Z_ISREF_PP(p) &&
1037 					class_type->parent &&
1038 					zend_hash_find(&class_type->parent->default_static_members, str_index, str_length, (void**)&q) == SUCCESS &&
1039 					*p == *q &&
1040 					zend_hash_find(CE_STATIC_MEMBERS(class_type->parent), str_index, str_length, (void**)&q) == SUCCESS
1041 				) {
1042 					Z_ADDREF_PP(q);
1043 					Z_SET_ISREF_PP(q);
1044 					zend_hash_add(CE_STATIC_MEMBERS(class_type), str_index, str_length, (void**)q, sizeof(zval*), NULL);
1045 				} else {
1046 					zval *r;
1047 
1048 					ALLOC_ZVAL(r);
1049 					*r = **p;
1050 					INIT_PZVAL(r);
1051 					zval_copy_ctor(r);
1052 					zend_hash_add(CE_STATIC_MEMBERS(class_type), str_index, str_length, (void**)&r, sizeof(zval*), NULL);
1053 				}
1054 				zend_hash_move_forward_ex(&class_type->default_static_members, &pos);
1055 			}
1056 		}
1057 		zend_hash_apply_with_argument(CE_STATIC_MEMBERS(class_type), (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC);
1058 
1059 		*scope = old_scope;
1060 		class_type->constants_updated = 1;
1061 	}
1062 }
1063 /* }}} */
1064 
1065 /* This function requires 'properties' to contain all props declared in the
1066  * class and all props being public. If only a subset is given or the class
1067  * has protected members then you need to merge the properties seperately by
1068  * calling zend_merge_properties(). */
_object_and_properties_init(zval * arg,zend_class_entry * class_type,HashTable * properties ZEND_FILE_LINE_DC TSRMLS_DC)1069 ZEND_API int _object_and_properties_init(zval *arg, zend_class_entry *class_type, HashTable *properties ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */
1070 {
1071 	zval *tmp;
1072 	zend_object *object;
1073 
1074 	if (class_type->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_IMPLICIT_ABSTRACT_CLASS|ZEND_ACC_EXPLICIT_ABSTRACT_CLASS)) {
1075 		char *what = class_type->ce_flags & ZEND_ACC_INTERFACE ? "interface" : "abstract class";
1076 		zend_error(E_ERROR, "Cannot instantiate %s %s", what, class_type->name);
1077 	}
1078 
1079 	zend_update_class_constants(class_type TSRMLS_CC);
1080 
1081 	Z_TYPE_P(arg) = IS_OBJECT;
1082 	if (class_type->create_object == NULL) {
1083 		Z_OBJVAL_P(arg) = zend_objects_new(&object, class_type TSRMLS_CC);
1084 		if (properties) {
1085 			object->properties = properties;
1086 		} else {
1087 			ALLOC_HASHTABLE_REL(object->properties);
1088 			zend_hash_init(object->properties, zend_hash_num_elements(&class_type->default_properties), NULL, ZVAL_PTR_DTOR, 0);
1089 			zend_hash_copy(object->properties, &class_type->default_properties, zval_copy_property_ctor(class_type), (void *) &tmp, sizeof(zval *));
1090 		}
1091 	} else {
1092 		Z_OBJVAL_P(arg) = class_type->create_object(class_type TSRMLS_CC);
1093 	}
1094 	return SUCCESS;
1095 }
1096 /* }}} */
1097 
_object_init_ex(zval * arg,zend_class_entry * class_type ZEND_FILE_LINE_DC TSRMLS_DC)1098 ZEND_API int _object_init_ex(zval *arg, zend_class_entry *class_type ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */
1099 {
1100 	return _object_and_properties_init(arg, class_type, 0 ZEND_FILE_LINE_RELAY_CC TSRMLS_CC);
1101 }
1102 /* }}} */
1103 
_object_init(zval * arg ZEND_FILE_LINE_DC TSRMLS_DC)1104 ZEND_API int _object_init(zval *arg ZEND_FILE_LINE_DC TSRMLS_DC) /* {{{ */
1105 {
1106 	return _object_init_ex(arg, zend_standard_class_def ZEND_FILE_LINE_RELAY_CC TSRMLS_CC);
1107 }
1108 /* }}} */
1109 
add_assoc_function(zval * arg,const char * key,void (* function_ptr)(INTERNAL_FUNCTION_PARAMETERS))1110 ZEND_API int add_assoc_function(zval *arg, const char *key, void (*function_ptr)(INTERNAL_FUNCTION_PARAMETERS)) /* {{{ */
1111 {
1112 	zend_error(E_WARNING, "add_assoc_function() is no longer supported");
1113 	return FAILURE;
1114 }
1115 /* }}} */
1116 
add_assoc_long_ex(zval * arg,const char * key,uint key_len,long n)1117 ZEND_API int add_assoc_long_ex(zval *arg, const char *key, uint key_len, long n) /* {{{ */
1118 {
1119 	zval *tmp;
1120 
1121 	MAKE_STD_ZVAL(tmp);
1122 	ZVAL_LONG(tmp, n);
1123 
1124 	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1125 }
1126 /* }}} */
1127 
add_assoc_null_ex(zval * arg,const char * key,uint key_len)1128 ZEND_API int add_assoc_null_ex(zval *arg, const char *key, uint key_len) /* {{{ */
1129 {
1130 	zval *tmp;
1131 
1132 	MAKE_STD_ZVAL(tmp);
1133 	ZVAL_NULL(tmp);
1134 
1135 	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1136 }
1137 /* }}} */
1138 
add_assoc_bool_ex(zval * arg,const char * key,uint key_len,int b)1139 ZEND_API int add_assoc_bool_ex(zval *arg, const char *key, uint key_len, int b) /* {{{ */
1140 {
1141 	zval *tmp;
1142 
1143 	MAKE_STD_ZVAL(tmp);
1144 	ZVAL_BOOL(tmp, b);
1145 
1146 	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1147 }
1148 /* }}} */
1149 
add_assoc_resource_ex(zval * arg,const char * key,uint key_len,int r)1150 ZEND_API int add_assoc_resource_ex(zval *arg, const char *key, uint key_len, int r) /* {{{ */
1151 {
1152 	zval *tmp;
1153 
1154 	MAKE_STD_ZVAL(tmp);
1155 	ZVAL_RESOURCE(tmp, r);
1156 
1157 	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1158 }
1159 /* }}} */
1160 
add_assoc_double_ex(zval * arg,const char * key,uint key_len,double d)1161 ZEND_API int add_assoc_double_ex(zval *arg, const char *key, uint key_len, double d) /* {{{ */
1162 {
1163 	zval *tmp;
1164 
1165 	MAKE_STD_ZVAL(tmp);
1166 	ZVAL_DOUBLE(tmp, d);
1167 
1168 	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1169 }
1170 /* }}} */
1171 
add_assoc_string_ex(zval * arg,const char * key,uint key_len,char * str,int duplicate)1172 ZEND_API int add_assoc_string_ex(zval *arg, const char *key, uint key_len, char *str, int duplicate) /* {{{ */
1173 {
1174 	zval *tmp;
1175 
1176 	MAKE_STD_ZVAL(tmp);
1177 	ZVAL_STRING(tmp, str, duplicate);
1178 
1179 	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1180 }
1181 /* }}} */
1182 
add_assoc_stringl_ex(zval * arg,const char * key,uint key_len,char * str,uint length,int duplicate)1183 ZEND_API int add_assoc_stringl_ex(zval *arg, const char *key, uint key_len, char *str, uint length, int duplicate) /* {{{ */
1184 {
1185 	zval *tmp;
1186 
1187 	MAKE_STD_ZVAL(tmp);
1188 	ZVAL_STRINGL(tmp, str, length, duplicate);
1189 
1190 	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), NULL);
1191 }
1192 /* }}} */
1193 
add_assoc_zval_ex(zval * arg,const char * key,uint key_len,zval * value)1194 ZEND_API int add_assoc_zval_ex(zval *arg, const char *key, uint key_len, zval *value) /* {{{ */
1195 {
1196 	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &value, sizeof(zval *), NULL);
1197 }
1198 /* }}} */
1199 
add_index_long(zval * arg,ulong index,long n)1200 ZEND_API int add_index_long(zval *arg, ulong index, long n) /* {{{ */
1201 {
1202 	zval *tmp;
1203 
1204 	MAKE_STD_ZVAL(tmp);
1205 	ZVAL_LONG(tmp, n);
1206 
1207 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1208 }
1209 /* }}} */
1210 
add_index_null(zval * arg,ulong index)1211 ZEND_API int add_index_null(zval *arg, ulong index) /* {{{ */
1212 {
1213 	zval *tmp;
1214 
1215 	MAKE_STD_ZVAL(tmp);
1216 	ZVAL_NULL(tmp);
1217 
1218 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1219 }
1220 /* }}} */
1221 
add_index_bool(zval * arg,ulong index,int b)1222 ZEND_API int add_index_bool(zval *arg, ulong index, int b) /* {{{ */
1223 {
1224 	zval *tmp;
1225 
1226 	MAKE_STD_ZVAL(tmp);
1227 	ZVAL_BOOL(tmp, b);
1228 
1229 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1230 }
1231 /* }}} */
1232 
add_index_resource(zval * arg,ulong index,int r)1233 ZEND_API int add_index_resource(zval *arg, ulong index, int r) /* {{{ */
1234 {
1235 	zval *tmp;
1236 
1237 	MAKE_STD_ZVAL(tmp);
1238 	ZVAL_RESOURCE(tmp, r);
1239 
1240 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1241 }
1242 /* }}} */
1243 
add_index_double(zval * arg,ulong index,double d)1244 ZEND_API int add_index_double(zval *arg, ulong index, double d) /* {{{ */
1245 {
1246 	zval *tmp;
1247 
1248 	MAKE_STD_ZVAL(tmp);
1249 	ZVAL_DOUBLE(tmp, d);
1250 
1251 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1252 }
1253 /* }}} */
1254 
add_index_string(zval * arg,ulong index,const char * str,int duplicate)1255 ZEND_API int add_index_string(zval *arg, ulong index, const char *str, int duplicate) /* {{{ */
1256 {
1257 	zval *tmp;
1258 
1259 	MAKE_STD_ZVAL(tmp);
1260 	ZVAL_STRING(tmp, str, duplicate);
1261 
1262 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1263 }
1264 /* }}} */
1265 
add_index_stringl(zval * arg,ulong index,const char * str,uint length,int duplicate)1266 ZEND_API int add_index_stringl(zval *arg, ulong index, const char *str, uint length, int duplicate) /* {{{ */
1267 {
1268 	zval *tmp;
1269 
1270 	MAKE_STD_ZVAL(tmp);
1271 	ZVAL_STRINGL(tmp, str, length, duplicate);
1272 
1273 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), NULL);
1274 }
1275 /* }}} */
1276 
add_index_zval(zval * arg,ulong index,zval * value)1277 ZEND_API int add_index_zval(zval *arg, ulong index, zval *value) /* {{{ */
1278 {
1279 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &value, sizeof(zval *), NULL);
1280 }
1281 /* }}} */
1282 
add_next_index_long(zval * arg,long n)1283 ZEND_API int add_next_index_long(zval *arg, long n) /* {{{ */
1284 {
1285 	zval *tmp;
1286 
1287 	MAKE_STD_ZVAL(tmp);
1288 	ZVAL_LONG(tmp, n);
1289 
1290 	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1291 }
1292 /* }}} */
1293 
add_next_index_null(zval * arg)1294 ZEND_API int add_next_index_null(zval *arg) /* {{{ */
1295 {
1296 	zval *tmp;
1297 
1298 	MAKE_STD_ZVAL(tmp);
1299 	ZVAL_NULL(tmp);
1300 
1301 	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1302 }
1303 /* }}} */
1304 
add_next_index_bool(zval * arg,int b)1305 ZEND_API int add_next_index_bool(zval *arg, int b) /* {{{ */
1306 {
1307 	zval *tmp;
1308 
1309 	MAKE_STD_ZVAL(tmp);
1310 	ZVAL_BOOL(tmp, b);
1311 
1312 	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1313 }
1314 /* }}} */
1315 
add_next_index_resource(zval * arg,int r)1316 ZEND_API int add_next_index_resource(zval *arg, int r) /* {{{ */
1317 {
1318 	zval *tmp;
1319 
1320 	MAKE_STD_ZVAL(tmp);
1321 	ZVAL_RESOURCE(tmp, r);
1322 
1323 	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1324 }
1325 /* }}} */
1326 
add_next_index_double(zval * arg,double d)1327 ZEND_API int add_next_index_double(zval *arg, double d) /* {{{ */
1328 {
1329 	zval *tmp;
1330 
1331 	MAKE_STD_ZVAL(tmp);
1332 	ZVAL_DOUBLE(tmp, d);
1333 
1334 	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1335 }
1336 /* }}} */
1337 
add_next_index_string(zval * arg,const char * str,int duplicate)1338 ZEND_API int add_next_index_string(zval *arg, const char *str, int duplicate) /* {{{ */
1339 {
1340 	zval *tmp;
1341 
1342 	MAKE_STD_ZVAL(tmp);
1343 	ZVAL_STRING(tmp, str, duplicate);
1344 
1345 	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1346 }
1347 /* }}} */
1348 
add_next_index_stringl(zval * arg,const char * str,uint length,int duplicate)1349 ZEND_API int add_next_index_stringl(zval *arg, const char *str, uint length, int duplicate) /* {{{ */
1350 {
1351 	zval *tmp;
1352 
1353 	MAKE_STD_ZVAL(tmp);
1354 	ZVAL_STRINGL(tmp, str, length, duplicate);
1355 
1356 	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp, sizeof(zval *), NULL);
1357 }
1358 /* }}} */
1359 
add_next_index_zval(zval * arg,zval * value)1360 ZEND_API int add_next_index_zval(zval *arg, zval *value) /* {{{ */
1361 {
1362 	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &value, sizeof(zval *), NULL);
1363 }
1364 /* }}} */
1365 
add_get_assoc_string_ex(zval * arg,const char * key,uint key_len,const char * str,void ** dest,int duplicate)1366 ZEND_API int add_get_assoc_string_ex(zval *arg, const char *key, uint key_len, const char *str, void **dest, int duplicate) /* {{{ */
1367 {
1368 	zval *tmp;
1369 
1370 	MAKE_STD_ZVAL(tmp);
1371 	ZVAL_STRING(tmp, str, duplicate);
1372 
1373 	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest);
1374 }
1375 /* }}} */
1376 
add_get_assoc_stringl_ex(zval * arg,const char * key,uint key_len,const char * str,uint length,void ** dest,int duplicate)1377 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) /* {{{ */
1378 {
1379 	zval *tmp;
1380 
1381 	MAKE_STD_ZVAL(tmp);
1382 	ZVAL_STRINGL(tmp, str, length, duplicate);
1383 
1384 	return zend_symtable_update(Z_ARRVAL_P(arg), key, key_len, (void *) &tmp, sizeof(zval *), dest);
1385 }
1386 /* }}} */
1387 
add_get_index_long(zval * arg,ulong index,long l,void ** dest)1388 ZEND_API int add_get_index_long(zval *arg, ulong index, long l, void **dest) /* {{{ */
1389 {
1390 	zval *tmp;
1391 
1392 	MAKE_STD_ZVAL(tmp);
1393 	ZVAL_LONG(tmp, l);
1394 
1395 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
1396 }
1397 /* }}} */
1398 
add_get_index_double(zval * arg,ulong index,double d,void ** dest)1399 ZEND_API int add_get_index_double(zval *arg, ulong index, double d, void **dest) /* {{{ */
1400 {
1401 	zval *tmp;
1402 
1403 	MAKE_STD_ZVAL(tmp);
1404 	ZVAL_DOUBLE(tmp, d);
1405 
1406 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
1407 }
1408 /* }}} */
1409 
add_get_index_string(zval * arg,ulong index,const char * str,void ** dest,int duplicate)1410 ZEND_API int add_get_index_string(zval *arg, ulong index, const char *str, void **dest, int duplicate) /* {{{ */
1411 {
1412 	zval *tmp;
1413 
1414 	MAKE_STD_ZVAL(tmp);
1415 	ZVAL_STRING(tmp, str, duplicate);
1416 
1417 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
1418 }
1419 /* }}} */
1420 
add_get_index_stringl(zval * arg,ulong index,const char * str,uint length,void ** dest,int duplicate)1421 ZEND_API int add_get_index_stringl(zval *arg, ulong index, const char *str, uint length, void **dest, int duplicate) /* {{{ */
1422 {
1423 	zval *tmp;
1424 
1425 	MAKE_STD_ZVAL(tmp);
1426 	ZVAL_STRINGL(tmp, str, length, duplicate);
1427 
1428 	return zend_hash_index_update(Z_ARRVAL_P(arg), index, (void *) &tmp, sizeof(zval *), dest);
1429 }
1430 /* }}} */
1431 
add_property_long_ex(zval * arg,const char * key,uint key_len,long n TSRMLS_DC)1432 ZEND_API int add_property_long_ex(zval *arg, const char *key, uint key_len, long n TSRMLS_DC) /* {{{ */
1433 {
1434 	zval *tmp;
1435 	zval *z_key;
1436 
1437 	MAKE_STD_ZVAL(tmp);
1438 	ZVAL_LONG(tmp, n);
1439 
1440 	MAKE_STD_ZVAL(z_key);
1441 	ZVAL_STRINGL(z_key, key, key_len-1, 1);
1442 
1443 	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
1444 	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1445 	zval_ptr_dtor(&z_key);
1446 	return SUCCESS;
1447 }
1448 /* }}} */
1449 
add_property_bool_ex(zval * arg,const char * key,uint key_len,int b TSRMLS_DC)1450 ZEND_API int add_property_bool_ex(zval *arg, const char *key, uint key_len, int b TSRMLS_DC) /* {{{ */
1451 {
1452 	zval *tmp;
1453 	zval *z_key;
1454 
1455 	MAKE_STD_ZVAL(tmp);
1456 	ZVAL_BOOL(tmp, b);
1457 
1458 	MAKE_STD_ZVAL(z_key);
1459 	ZVAL_STRINGL(z_key, key, key_len-1, 1);
1460 
1461 	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
1462 	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1463 	zval_ptr_dtor(&z_key);
1464 	return SUCCESS;
1465 }
1466 /* }}} */
1467 
add_property_null_ex(zval * arg,const char * key,uint key_len TSRMLS_DC)1468 ZEND_API int add_property_null_ex(zval *arg, const char *key, uint key_len TSRMLS_DC) /* {{{ */
1469 {
1470 	zval *tmp;
1471 	zval *z_key;
1472 
1473 	MAKE_STD_ZVAL(tmp);
1474 	ZVAL_NULL(tmp);
1475 
1476 	MAKE_STD_ZVAL(z_key);
1477 	ZVAL_STRINGL(z_key, key, key_len-1, 1);
1478 
1479 	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
1480 	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1481 	zval_ptr_dtor(&z_key);
1482 	return SUCCESS;
1483 }
1484 /* }}} */
1485 
add_property_resource_ex(zval * arg,const char * key,uint key_len,long n TSRMLS_DC)1486 ZEND_API int add_property_resource_ex(zval *arg, const char *key, uint key_len, long n TSRMLS_DC) /* {{{ */
1487 {
1488 	zval *tmp;
1489 	zval *z_key;
1490 
1491 	MAKE_STD_ZVAL(tmp);
1492 	ZVAL_RESOURCE(tmp, n);
1493 
1494 	MAKE_STD_ZVAL(z_key);
1495 	ZVAL_STRINGL(z_key, key, key_len-1, 1);
1496 
1497 	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
1498 	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1499 	zval_ptr_dtor(&z_key);
1500 	return SUCCESS;
1501 }
1502 /* }}} */
1503 
add_property_double_ex(zval * arg,const char * key,uint key_len,double d TSRMLS_DC)1504 ZEND_API int add_property_double_ex(zval *arg, const char *key, uint key_len, double d TSRMLS_DC) /* {{{ */
1505 {
1506 	zval *tmp;
1507 	zval *z_key;
1508 
1509 	MAKE_STD_ZVAL(tmp);
1510 	ZVAL_DOUBLE(tmp, d);
1511 
1512 	MAKE_STD_ZVAL(z_key);
1513 	ZVAL_STRINGL(z_key, key, key_len-1, 1);
1514 
1515 	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
1516 	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1517 	zval_ptr_dtor(&z_key);
1518 	return SUCCESS;
1519 }
1520 /* }}} */
1521 
add_property_string_ex(zval * arg,const char * key,uint key_len,char * str,int duplicate TSRMLS_DC)1522 ZEND_API int add_property_string_ex(zval *arg, const char *key, uint key_len, char *str, int duplicate TSRMLS_DC) /* {{{ */
1523 {
1524 	zval *tmp;
1525 	zval *z_key;
1526 
1527 	MAKE_STD_ZVAL(tmp);
1528 	ZVAL_STRING(tmp, str, duplicate);
1529 
1530 	MAKE_STD_ZVAL(z_key);
1531 	ZVAL_STRINGL(z_key, key, key_len-1, 1);
1532 
1533 	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
1534 	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1535 	zval_ptr_dtor(&z_key);
1536 	return SUCCESS;
1537 }
1538 /* }}} */
1539 
add_property_stringl_ex(zval * arg,const char * key,uint key_len,char * str,uint length,int duplicate TSRMLS_DC)1540 ZEND_API int add_property_stringl_ex(zval *arg, const char *key, uint key_len, char *str, uint length, int duplicate TSRMLS_DC) /* {{{ */
1541 {
1542 	zval *tmp;
1543 	zval *z_key;
1544 
1545 	MAKE_STD_ZVAL(tmp);
1546 	ZVAL_STRINGL(tmp, str, length, duplicate);
1547 
1548 	MAKE_STD_ZVAL(z_key);
1549 	ZVAL_STRINGL(z_key, key, key_len-1, 1);
1550 
1551 	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, tmp TSRMLS_CC);
1552 	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1553 	zval_ptr_dtor(&z_key);
1554 	return SUCCESS;
1555 }
1556 /* }}} */
1557 
add_property_zval_ex(zval * arg,const char * key,uint key_len,zval * value TSRMLS_DC)1558 ZEND_API int add_property_zval_ex(zval *arg, const char *key, uint key_len, zval *value TSRMLS_DC) /* {{{ */
1559 {
1560 	zval *z_key;
1561 
1562 	MAKE_STD_ZVAL(z_key);
1563 	ZVAL_STRINGL(z_key, key, key_len-1, 1);
1564 
1565 	Z_OBJ_HANDLER_P(arg, write_property)(arg, z_key, value TSRMLS_CC);
1566 	zval_ptr_dtor(&z_key);
1567 	return SUCCESS;
1568 }
1569 /* }}} */
1570 
zend_startup_module_ex(zend_module_entry * module TSRMLS_DC)1571 ZEND_API int zend_startup_module_ex(zend_module_entry *module TSRMLS_DC) /* {{{ */
1572 {
1573 	int name_len;
1574 	char *lcname;
1575 
1576 	if (module->module_started) {
1577 		return SUCCESS;
1578 	}
1579 	module->module_started = 1;
1580 
1581 	/* Check module dependencies */
1582 	if (module->deps) {
1583 		const zend_module_dep *dep = module->deps;
1584 
1585 		while (dep->name) {
1586 			if (dep->type == MODULE_DEP_REQUIRED) {
1587 				zend_module_entry *req_mod;
1588 
1589 				name_len = strlen(dep->name);
1590 				lcname = zend_str_tolower_dup(dep->name, name_len);
1591 
1592 				if (zend_hash_find(&module_registry, lcname, name_len+1, (void**)&req_mod) == FAILURE || !req_mod->module_started) {
1593 					efree(lcname);
1594 					/* TODO: Check version relationship */
1595 					zend_error(E_CORE_WARNING, "Cannot load module '%s' because required module '%s' is not loaded", module->name, dep->name);
1596 					module->module_started = 0;
1597 					return FAILURE;
1598 				}
1599 				efree(lcname);
1600 			}
1601 			++dep;
1602 		}
1603 	}
1604 
1605 	/* Initialize module globals */
1606 	if (module->globals_size) {
1607 #ifdef ZTS
1608 		ts_allocate_id(module->globals_id_ptr, module->globals_size, (ts_allocate_ctor) module->globals_ctor, (ts_allocate_dtor) module->globals_dtor);
1609 #else
1610 		if (module->globals_ctor) {
1611 			module->globals_ctor(module->globals_ptr TSRMLS_CC);
1612 		}
1613 #endif
1614 	}
1615 	if (module->module_startup_func) {
1616 		EG(current_module) = module;
1617 		if (module->module_startup_func(module->type, module->module_number TSRMLS_CC)==FAILURE) {
1618 			zend_error(E_CORE_ERROR,"Unable to start %s module", module->name);
1619 			EG(current_module) = NULL;
1620 			return FAILURE;
1621 		}
1622 		EG(current_module) = NULL;
1623 	}
1624 	return SUCCESS;
1625 }
1626 /* }}} */
1627 
zend_sort_modules(void * base,size_t count,size_t siz,compare_func_t compare TSRMLS_DC)1628 static void zend_sort_modules(void *base, size_t count, size_t siz, compare_func_t compare TSRMLS_DC) /* {{{ */
1629 {
1630 	Bucket **b1 = base;
1631 	Bucket **b2;
1632 	Bucket **end = b1 + count;
1633 	Bucket *tmp;
1634 	zend_module_entry *m, *r;
1635 
1636 	while (b1 < end) {
1637 try_again:
1638 		m = (zend_module_entry*)(*b1)->pData;
1639 		if (!m->module_started && m->deps) {
1640 			const zend_module_dep *dep = m->deps;
1641 			while (dep->name) {
1642 				if (dep->type == MODULE_DEP_REQUIRED || dep->type == MODULE_DEP_OPTIONAL) {
1643 					b2 = b1 + 1;
1644 					while (b2 < end) {
1645 						r = (zend_module_entry*)(*b2)->pData;
1646 						if (strcasecmp(dep->name, r->name) == 0) {
1647 							tmp = *b1;
1648 							*b1 = *b2;
1649 							*b2 = tmp;
1650 							goto try_again;
1651 						}
1652 						b2++;
1653 					}
1654 				}
1655 				dep++;
1656 			}
1657 		}
1658 		b1++;
1659 	}
1660 }
1661 /* }}} */
1662 
zend_startup_modules(TSRMLS_D)1663 ZEND_API int zend_startup_modules(TSRMLS_D) /* {{{ */
1664 {
1665 	zend_hash_sort(&module_registry, zend_sort_modules, NULL, 0 TSRMLS_CC);
1666 	zend_hash_apply(&module_registry, (apply_func_t)zend_startup_module_ex TSRMLS_CC);
1667 	return SUCCESS;
1668 }
1669 /* }}} */
1670 
zend_register_module_ex(zend_module_entry * module TSRMLS_DC)1671 ZEND_API zend_module_entry* zend_register_module_ex(zend_module_entry *module TSRMLS_DC) /* {{{ */
1672 {
1673 	int name_len;
1674 	char *lcname;
1675 	zend_module_entry *module_ptr;
1676 
1677 	if (!module) {
1678 		return NULL;
1679 	}
1680 
1681 #if 0
1682 	zend_printf("%s: Registering module %d\n", module->name, module->module_number);
1683 #endif
1684 
1685 	/* Check module dependencies */
1686 	if (module->deps) {
1687 		const zend_module_dep *dep = module->deps;
1688 
1689 		while (dep->name) {
1690 			if (dep->type == MODULE_DEP_CONFLICTS) {
1691 				name_len = strlen(dep->name);
1692 				lcname = zend_str_tolower_dup(dep->name, name_len);
1693 
1694 				if (zend_hash_exists(&module_registry, lcname, name_len+1)) {
1695 					efree(lcname);
1696 					/* TODO: Check version relationship */
1697 					zend_error(E_CORE_WARNING, "Cannot load module '%s' because conflicting module '%s' is already loaded", module->name, dep->name);
1698 					return NULL;
1699 				}
1700 				efree(lcname);
1701 			}
1702 			++dep;
1703 		}
1704 	}
1705 
1706 	name_len = strlen(module->name);
1707 	lcname = zend_str_tolower_dup(module->name, name_len);
1708 
1709 	if (zend_hash_add(&module_registry, lcname, name_len+1, (void *)module, sizeof(zend_module_entry), (void**)&module_ptr)==FAILURE) {
1710 		zend_error(E_CORE_WARNING, "Module '%s' already loaded", module->name);
1711 		efree(lcname);
1712 		return NULL;
1713 	}
1714 	efree(lcname);
1715 	module = module_ptr;
1716 	EG(current_module) = module;
1717 
1718 	if (module->functions && zend_register_functions(NULL, module->functions, NULL, module->type TSRMLS_CC)==FAILURE) {
1719 		EG(current_module) = NULL;
1720 		zend_error(E_CORE_WARNING,"%s: Unable to register functions, unable to load", module->name);
1721 		return NULL;
1722 	}
1723 
1724 	EG(current_module) = NULL;
1725 	return module;
1726 }
1727 /* }}} */
1728 
zend_register_internal_module(zend_module_entry * module TSRMLS_DC)1729 ZEND_API zend_module_entry* zend_register_internal_module(zend_module_entry *module TSRMLS_DC) /* {{{ */
1730 {
1731 	module->module_number = zend_next_free_module();
1732 	module->type = MODULE_PERSISTENT;
1733 	return zend_register_module_ex(module TSRMLS_CC);
1734 }
1735 /* }}} */
1736 
zend_check_magic_method_implementation(const zend_class_entry * ce,const zend_function * fptr,int error_type TSRMLS_DC)1737 ZEND_API void zend_check_magic_method_implementation(const zend_class_entry *ce, const zend_function *fptr, int error_type TSRMLS_DC) /* {{{ */
1738 {
1739 	char lcname[16];
1740 	int name_len;
1741 
1742 	/* we don't care if the function name is longer, in fact lowercasing only
1743 	 * the beginning of the name speeds up the check process */
1744 	name_len = strlen(fptr->common.function_name);
1745 	zend_str_tolower_copy(lcname, fptr->common.function_name, MIN(name_len, sizeof(lcname)-1));
1746 	lcname[sizeof(lcname)-1] = '\0'; /* zend_str_tolower_copy won't necessarily set the zero byte */
1747 
1748 	if (name_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME)) && fptr->common.num_args != 0) {
1749 		zend_error(error_type, "Destructor %s::%s() cannot take arguments", ce->name, ZEND_DESTRUCTOR_FUNC_NAME);
1750 	} else if (name_len == sizeof(ZEND_CLONE_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME)) && fptr->common.num_args != 0) {
1751 		zend_error(error_type, "Method %s::%s() cannot accept any arguments", ce->name, ZEND_CLONE_FUNC_NAME);
1752 	} else if (name_len == sizeof(ZEND_GET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME))) {
1753 		if (fptr->common.num_args != 1) {
1754 			zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_GET_FUNC_NAME);
1755 		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
1756 			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_GET_FUNC_NAME);
1757 		}
1758 	} else if (name_len == sizeof(ZEND_SET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME))) {
1759 		if (fptr->common.num_args != 2) {
1760 			zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, ZEND_SET_FUNC_NAME);
1761 		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
1762 			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_SET_FUNC_NAME);
1763 		}
1764 	} else if (name_len == sizeof(ZEND_UNSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME))) {
1765 		if (fptr->common.num_args != 1) {
1766 			zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_UNSET_FUNC_NAME);
1767 		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
1768 			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_UNSET_FUNC_NAME);
1769 		}
1770 	} else if (name_len == sizeof(ZEND_ISSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME))) {
1771 		if (fptr->common.num_args != 1) {
1772 			zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ce->name, ZEND_ISSET_FUNC_NAME);
1773 		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
1774 			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_ISSET_FUNC_NAME);
1775 		}
1776 	} else if (name_len == sizeof(ZEND_CALL_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME))) {
1777 		if (fptr->common.num_args != 2) {
1778 			zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, ZEND_CALL_FUNC_NAME);
1779 		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
1780 			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_CALL_FUNC_NAME);
1781 		}
1782 	} else if (name_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME) - 1 &&
1783 		!memcmp(lcname, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1)
1784 	) {
1785 		if (fptr->common.num_args != 2) {
1786 			zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ce->name, ZEND_CALLSTATIC_FUNC_NAME);
1787 		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
1788 			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ce->name, ZEND_CALLSTATIC_FUNC_NAME);
1789 		}
1790  	} else if (name_len == sizeof(ZEND_TOSTRING_FUNC_NAME) - 1 &&
1791  		!memcmp(lcname, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && fptr->common.num_args != 0
1792 	) {
1793 		zend_error(error_type, "Method %s::%s() cannot take arguments", ce->name, ZEND_TOSTRING_FUNC_NAME);
1794 	}
1795 }
1796 /* }}} */
1797 
1798 /* 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)1799 ZEND_API int zend_register_functions(zend_class_entry *scope, const zend_function_entry *functions, HashTable *function_table, int type TSRMLS_DC) /* {{{ */
1800 {
1801 	const zend_function_entry *ptr = functions;
1802 	zend_function function, *reg_function;
1803 	zend_internal_function *internal_function = (zend_internal_function *)&function;
1804 	int count=0, unload=0;
1805 	HashTable *target_function_table = function_table;
1806 	int error_type;
1807 	zend_function *ctor = NULL, *dtor = NULL, *clone = NULL, *__get = NULL, *__set = NULL, *__unset = NULL, *__isset = NULL, *__call = NULL, *__callstatic = NULL, *__tostring = NULL;
1808 	char *lowercase_name;
1809 	int fname_len;
1810 	char *lc_class_name = NULL;
1811 	int class_name_len = 0;
1812 
1813 	if (type==MODULE_PERSISTENT) {
1814 		error_type = E_CORE_WARNING;
1815 	} else {
1816 		error_type = E_WARNING;
1817 	}
1818 
1819 	if (!target_function_table) {
1820 		target_function_table = CG(function_table);
1821 	}
1822 	internal_function->type = ZEND_INTERNAL_FUNCTION;
1823 	internal_function->module = EG(current_module);
1824 
1825 	if (scope) {
1826 		class_name_len = strlen(scope->name);
1827 		if ((lc_class_name = zend_memrchr(scope->name, '\\', class_name_len))) {
1828 			++lc_class_name;
1829 			class_name_len -= (lc_class_name - scope->name);
1830 			lc_class_name = zend_str_tolower_dup(lc_class_name, class_name_len);
1831 		} else {
1832 			lc_class_name = zend_str_tolower_dup(scope->name, class_name_len);
1833 		}
1834 	}
1835 
1836 	while (ptr->fname) {
1837 		internal_function->handler = ptr->handler;
1838 		internal_function->function_name = (char*)ptr->fname;
1839 		internal_function->scope = scope;
1840 		internal_function->prototype = NULL;
1841 		if (ptr->arg_info) {
1842 			internal_function->arg_info = (zend_arg_info*)ptr->arg_info+1;
1843 			internal_function->num_args = ptr->num_args;
1844 			/* Currently you cannot denote that the function can accept less arguments than num_args */
1845 			if (ptr->arg_info[0].required_num_args == -1) {
1846 				internal_function->required_num_args = ptr->num_args;
1847 			} else {
1848 				internal_function->required_num_args = ptr->arg_info[0].required_num_args;
1849 			}
1850 			internal_function->pass_rest_by_reference = ptr->arg_info[0].pass_by_reference;
1851 			internal_function->return_reference = ptr->arg_info[0].return_reference;
1852 		} else {
1853 			internal_function->arg_info = NULL;
1854 			internal_function->num_args = 0;
1855 			internal_function->required_num_args = 0;
1856 			internal_function->pass_rest_by_reference = 0;
1857 			internal_function->return_reference = 0;
1858 		}
1859 		if (ptr->flags) {
1860 			if (!(ptr->flags & ZEND_ACC_PPP_MASK)) {
1861 				if (ptr->flags != ZEND_ACC_DEPRECATED || scope) {
1862 					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);
1863 				}
1864 				internal_function->fn_flags = ZEND_ACC_PUBLIC | ptr->flags;
1865 			} else {
1866 				internal_function->fn_flags = ptr->flags;
1867 			}
1868 		} else {
1869 			internal_function->fn_flags = ZEND_ACC_PUBLIC;
1870 		}
1871 		if (ptr->flags & ZEND_ACC_ABSTRACT) {
1872 			if (scope) {
1873 				/* This is a class that must be abstract itself. Here we set the check info. */
1874 				scope->ce_flags |= ZEND_ACC_IMPLICIT_ABSTRACT_CLASS;
1875 				if (!(scope->ce_flags & ZEND_ACC_INTERFACE)) {
1876 					/* Since the class is not an interface it needs to be declared as a abstract class. */
1877 					/* Since here we are handling internal functions only we can add the keyword flag. */
1878 					/* This time we set the flag for the keyword 'abstract'. */
1879 					scope->ce_flags |= ZEND_ACC_EXPLICIT_ABSTRACT_CLASS;
1880 				}
1881 			}
1882 			if (ptr->flags & ZEND_ACC_STATIC && (!scope || !(scope->ce_flags & ZEND_ACC_INTERFACE))) {
1883 				zend_error(error_type, "Static function %s%s%s() cannot be abstract", scope ? scope->name : "", scope ? "::" : "", ptr->fname);
1884 			}
1885 		} else {
1886 			if (scope && (scope->ce_flags & ZEND_ACC_INTERFACE)) {
1887 				efree(lc_class_name);
1888 				zend_error(error_type, "Interface %s cannot contain non abstract method %s()", scope->name, ptr->fname);
1889 				return FAILURE;
1890 			}
1891 			if (!internal_function->handler) {
1892 				if (scope) {
1893 					efree(lc_class_name);
1894 				}
1895 				zend_error(error_type, "Method %s%s%s() cannot be a NULL function", scope ? scope->name : "", scope ? "::" : "", ptr->fname);
1896 				zend_unregister_functions(functions, count, target_function_table TSRMLS_CC);
1897 				return FAILURE;
1898 			}
1899 		}
1900 		fname_len = strlen(ptr->fname);
1901 		lowercase_name = zend_str_tolower_dup(ptr->fname, fname_len);
1902 		if (zend_hash_add(target_function_table, lowercase_name, fname_len+1, &function, sizeof(zend_function), (void**)&reg_function) == FAILURE) {
1903 			unload=1;
1904 			efree(lowercase_name);
1905 			break;
1906 		}
1907 		if (scope) {
1908 			/* Look for ctor, dtor, clone
1909 			 * If it's an old-style constructor, store it only if we don't have
1910 			 * a constructor already.
1911 			 */
1912 			if ((fname_len == class_name_len) && !memcmp(lowercase_name, lc_class_name, class_name_len+1) && !ctor) {
1913 				ctor = reg_function;
1914 			} else if ((fname_len == sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME))) {
1915 				ctor = reg_function;
1916 			} else if ((fname_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME))) {
1917 				dtor = reg_function;
1918 				if (internal_function->num_args) {
1919 					zend_error(error_type, "Destructor %s::%s() cannot take arguments", scope->name, ptr->fname);
1920 				}
1921 			} else if ((fname_len == sizeof(ZEND_CLONE_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME))) {
1922 				clone = reg_function;
1923 			} else if ((fname_len == sizeof(ZEND_CALL_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME))) {
1924 				__call = reg_function;
1925 			} else if ((fname_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME))) {
1926 				__callstatic = reg_function;
1927 			} else if ((fname_len == sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME))) {
1928 				__tostring = reg_function;
1929 			} else if ((fname_len == sizeof(ZEND_GET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME))) {
1930 				__get = reg_function;
1931 			} else if ((fname_len == sizeof(ZEND_SET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME))) {
1932 				__set = reg_function;
1933 			} else if ((fname_len == sizeof(ZEND_UNSET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME))) {
1934 				__unset = reg_function;
1935 			} else if ((fname_len == sizeof(ZEND_ISSET_FUNC_NAME)-1) && !memcmp(lowercase_name, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME))) {
1936 				__isset = reg_function;
1937 			} else {
1938 				reg_function = NULL;
1939 			}
1940 			if (reg_function) {
1941 				zend_check_magic_method_implementation(scope, reg_function, error_type TSRMLS_CC);
1942 			}
1943 		}
1944 		ptr++;
1945 		count++;
1946 		efree(lowercase_name);
1947 	}
1948 	if (unload) { /* before unloading, display all remaining bad function in the module */
1949 		if (scope) {
1950 			efree(lc_class_name);
1951 		}
1952 		while (ptr->fname) {
1953 			fname_len = strlen(ptr->fname);
1954 			lowercase_name = zend_str_tolower_dup(ptr->fname, fname_len);
1955 			if (zend_hash_exists(target_function_table, lowercase_name, fname_len+1)) {
1956 				zend_error(error_type, "Function registration failed - duplicate name - %s%s%s", scope ? scope->name : "", scope ? "::" : "", ptr->fname);
1957 			}
1958 			efree(lowercase_name);
1959 			ptr++;
1960 		}
1961 		zend_unregister_functions(functions, count, target_function_table TSRMLS_CC);
1962 		return FAILURE;
1963 	}
1964 	if (scope) {
1965 		scope->constructor = ctor;
1966 		scope->destructor = dtor;
1967 		scope->clone = clone;
1968 		scope->__call = __call;
1969 		scope->__callstatic = __callstatic;
1970 		scope->__tostring = __tostring;
1971 		scope->__get = __get;
1972 		scope->__set = __set;
1973 		scope->__unset = __unset;
1974 		scope->__isset = __isset;
1975 		if (ctor) {
1976 			ctor->common.fn_flags |= ZEND_ACC_CTOR;
1977 			if (ctor->common.fn_flags & ZEND_ACC_STATIC) {
1978 				zend_error(error_type, "Constructor %s::%s() cannot be static", scope->name, ctor->common.function_name);
1979 			}
1980 			ctor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
1981 		}
1982 		if (dtor) {
1983 			dtor->common.fn_flags |= ZEND_ACC_DTOR;
1984 			if (dtor->common.fn_flags & ZEND_ACC_STATIC) {
1985 				zend_error(error_type, "Destructor %s::%s() cannot be static", scope->name, dtor->common.function_name);
1986 			}
1987 			dtor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
1988 		}
1989 		if (clone) {
1990 			clone->common.fn_flags |= ZEND_ACC_CLONE;
1991 			if (clone->common.fn_flags & ZEND_ACC_STATIC) {
1992 				zend_error(error_type, "Constructor %s::%s() cannot be static", scope->name, clone->common.function_name);
1993 			}
1994 			clone->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
1995 		}
1996 		if (__call) {
1997 			if (__call->common.fn_flags & ZEND_ACC_STATIC) {
1998 				zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __call->common.function_name);
1999 			}
2000 			__call->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2001 		}
2002 		if (__callstatic) {
2003 			if (!(__callstatic->common.fn_flags & ZEND_ACC_STATIC)) {
2004 				zend_error(error_type, "Method %s::%s() must be static", scope->name, __callstatic->common.function_name);
2005 			}
2006 			__callstatic->common.fn_flags |= ZEND_ACC_STATIC;
2007 		}
2008 		if (__tostring) {
2009 			if (__tostring->common.fn_flags & ZEND_ACC_STATIC) {
2010 				zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __tostring->common.function_name);
2011 			}
2012 			__tostring->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2013 		}
2014 		if (__get) {
2015 			if (__get->common.fn_flags & ZEND_ACC_STATIC) {
2016 				zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __get->common.function_name);
2017 			}
2018 			__get->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2019 		}
2020 		if (__set) {
2021 			if (__set->common.fn_flags & ZEND_ACC_STATIC) {
2022 				zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __set->common.function_name);
2023 			}
2024 			__set->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2025 		}
2026 		if (__unset) {
2027 			if (__unset->common.fn_flags & ZEND_ACC_STATIC) {
2028 				zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __unset->common.function_name);
2029 			}
2030 			__unset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2031 		}
2032 		if (__isset) {
2033 			if (__isset->common.fn_flags & ZEND_ACC_STATIC) {
2034 				zend_error(error_type, "Method %s::%s() cannot be static", scope->name, __isset->common.function_name);
2035 			}
2036 			__isset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2037 		}
2038 		efree(lc_class_name);
2039 	}
2040 	return SUCCESS;
2041 }
2042 /* }}} */
2043 
2044 /* count=-1 means erase all functions, otherwise,
2045  * erase the first count functions
2046  */
zend_unregister_functions(const zend_function_entry * functions,int count,HashTable * function_table TSRMLS_DC)2047 ZEND_API void zend_unregister_functions(const zend_function_entry *functions, int count, HashTable *function_table TSRMLS_DC) /* {{{ */
2048 {
2049 	const zend_function_entry *ptr = functions;
2050 	int i=0;
2051 	HashTable *target_function_table = function_table;
2052 
2053 	if (!target_function_table) {
2054 		target_function_table = CG(function_table);
2055 	}
2056 	while (ptr->fname) {
2057 		if (count!=-1 && i>=count) {
2058 			break;
2059 		}
2060 #if 0
2061 		zend_printf("Unregistering %s()\n", ptr->fname);
2062 #endif
2063 		zend_hash_del(target_function_table, ptr->fname, strlen(ptr->fname)+1);
2064 		ptr++;
2065 		i++;
2066 	}
2067 }
2068 /* }}} */
2069 
zend_startup_module(zend_module_entry * module)2070 ZEND_API int zend_startup_module(zend_module_entry *module) /* {{{ */
2071 {
2072 	TSRMLS_FETCH();
2073 
2074 	if ((module = zend_register_internal_module(module TSRMLS_CC)) != NULL && zend_startup_module_ex(module TSRMLS_CC) == SUCCESS) {
2075 		return SUCCESS;
2076 	}
2077 	return FAILURE;
2078 }
2079 /* }}} */
2080 
zend_get_module_started(const char * module_name)2081 ZEND_API int zend_get_module_started(const char *module_name) /* {{{ */
2082 {
2083 	zend_module_entry *module;
2084 
2085 	return (zend_hash_find(&module_registry, module_name, strlen(module_name)+1, (void**)&module) == SUCCESS && module->module_started) ? SUCCESS : FAILURE;
2086 }
2087 /* }}} */
2088 
clean_module_class(const zend_class_entry ** ce,int * module_number TSRMLS_DC)2089 static int clean_module_class(const zend_class_entry **ce, int *module_number TSRMLS_DC) /* {{{ */
2090 {
2091 	if ((*ce)->type == ZEND_INTERNAL_CLASS && (*ce)->module->module_number == *module_number) {
2092 		return ZEND_HASH_APPLY_REMOVE;
2093 	} else {
2094 		return ZEND_HASH_APPLY_KEEP;
2095 	}
2096 }
2097 /* }}} */
2098 
clean_module_classes(int module_number TSRMLS_DC)2099 static void clean_module_classes(int module_number TSRMLS_DC) /* {{{ */
2100 {
2101 	zend_hash_apply_with_argument(EG(class_table), (apply_func_arg_t) clean_module_class, (void *) &module_number TSRMLS_CC);
2102 }
2103 /* }}} */
2104 
module_destructor(zend_module_entry * module)2105 void module_destructor(zend_module_entry *module) /* {{{ */
2106 {
2107 	TSRMLS_FETCH();
2108 
2109 	if (module->type == MODULE_TEMPORARY) {
2110 		zend_clean_module_rsrc_dtors(module->module_number TSRMLS_CC);
2111 		clean_module_constants(module->module_number TSRMLS_CC);
2112 		clean_module_classes(module->module_number TSRMLS_CC);
2113 	}
2114 
2115 	if (module->module_started && module->module_shutdown_func) {
2116 #if 0
2117 		zend_printf("%s: Module shutdown\n", module->name);
2118 #endif
2119 		module->module_shutdown_func(module->type, module->module_number TSRMLS_CC);
2120 	}
2121 
2122 	/* Deinitilaise module globals */
2123 	if (module->globals_size) {
2124 #ifdef ZTS
2125 		if (*module->globals_id_ptr) {
2126 			ts_free_id(*module->globals_id_ptr);
2127 		}
2128 #else
2129 		if (module->globals_dtor) {
2130 			module->globals_dtor(module->globals_ptr TSRMLS_CC);
2131 		}
2132 #endif
2133 	}
2134 
2135 	module->module_started=0;
2136 	if (module->functions) {
2137 		zend_unregister_functions(module->functions, -1, NULL TSRMLS_CC);
2138 	}
2139 
2140 #if HAVE_LIBDL
2141 #if !(defined(NETWARE) && defined(APACHE_1_BUILD))
2142 	if (module->handle && !getenv("ZEND_DONT_UNLOAD_MODULES")) {
2143 		DL_UNLOAD(module->handle);
2144 	}
2145 #endif
2146 #endif
2147 }
2148 /* }}} */
2149 
2150 /* call request startup for all modules */
module_registry_request_startup(zend_module_entry * module TSRMLS_DC)2151 int module_registry_request_startup(zend_module_entry *module TSRMLS_DC) /* {{{ */
2152 {
2153 	if (module->request_startup_func) {
2154 #if 0
2155 		zend_printf("%s: Request startup\n", module->name);
2156 #endif
2157 		if (module->request_startup_func(module->type, module->module_number TSRMLS_CC)==FAILURE) {
2158 			zend_error(E_WARNING, "request_startup() for %s module failed", module->name);
2159 			exit(1);
2160 		}
2161 	}
2162 	return 0;
2163 }
2164 /* }}} */
2165 
2166 /* call request shutdown for all modules */
module_registry_cleanup(zend_module_entry * module TSRMLS_DC)2167 int module_registry_cleanup(zend_module_entry *module TSRMLS_DC) /* {{{ */
2168 {
2169 	if (module->request_shutdown_func) {
2170 #if 0
2171 		zend_printf("%s: Request shutdown\n", module->name);
2172 #endif
2173 		module->request_shutdown_func(module->type, module->module_number TSRMLS_CC);
2174 	}
2175 	return 0;
2176 }
2177 /* }}} */
2178 
module_registry_unload_temp(const zend_module_entry * module TSRMLS_DC)2179 int module_registry_unload_temp(const zend_module_entry *module TSRMLS_DC) /* {{{ */
2180 {
2181 	return (module->type == MODULE_TEMPORARY) ? ZEND_HASH_APPLY_REMOVE : ZEND_HASH_APPLY_STOP;
2182 }
2183 /* }}} */
2184 
2185 /* return the next free module number */
zend_next_free_module(void)2186 int zend_next_free_module(void) /* {{{ */
2187 {
2188 	return zend_hash_num_elements(&module_registry) + 1;
2189 }
2190 /* }}} */
2191 
do_register_internal_class(zend_class_entry * orig_class_entry,zend_uint ce_flags TSRMLS_DC)2192 static zend_class_entry *do_register_internal_class(zend_class_entry *orig_class_entry, zend_uint ce_flags TSRMLS_DC) /* {{{ */
2193 {
2194 	zend_class_entry *class_entry = malloc(sizeof(zend_class_entry));
2195 	char *lowercase_name = malloc(orig_class_entry->name_length + 1);
2196 	*class_entry = *orig_class_entry;
2197 
2198 	class_entry->type = ZEND_INTERNAL_CLASS;
2199 	zend_initialize_class_data(class_entry, 0 TSRMLS_CC);
2200 	class_entry->ce_flags = ce_flags;
2201 	class_entry->module = EG(current_module);
2202 
2203 	if (class_entry->builtin_functions) {
2204 		zend_register_functions(class_entry, class_entry->builtin_functions, &class_entry->function_table, MODULE_PERSISTENT TSRMLS_CC);
2205 	}
2206 
2207 	zend_str_tolower_copy(lowercase_name, orig_class_entry->name, class_entry->name_length);
2208 	zend_hash_update(CG(class_table), lowercase_name, class_entry->name_length+1, &class_entry, sizeof(zend_class_entry *), NULL);
2209 	free(lowercase_name);
2210 	return class_entry;
2211 }
2212 /* }}} */
2213 
2214 /* If parent_ce is not NULL then it inherits from parent_ce
2215  * If parent_ce is NULL and parent_name isn't then it looks for the parent and inherits from it
2216  * If both parent_ce and parent_name are NULL it does a regular class registration
2217  * If parent_name is specified but not found NULL is returned
2218  */
zend_register_internal_class_ex(zend_class_entry * class_entry,zend_class_entry * parent_ce,char * parent_name TSRMLS_DC)2219 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) /* {{{ */
2220 {
2221 	zend_class_entry *register_class;
2222 
2223 	if (!parent_ce && parent_name) {
2224 		zend_class_entry **pce;
2225 		if (zend_hash_find(CG(class_table), parent_name, strlen(parent_name)+1, (void **) &pce)==FAILURE) {
2226 			return NULL;
2227 		} else {
2228 			parent_ce = *pce;
2229 		}
2230 	}
2231 
2232 	register_class = zend_register_internal_class(class_entry TSRMLS_CC);
2233 
2234 	if (parent_ce) {
2235 		zend_do_inheritance(register_class, parent_ce TSRMLS_CC);
2236 	}
2237 	return register_class;
2238 }
2239 /* }}} */
2240 
zend_class_implements(zend_class_entry * class_entry TSRMLS_DC,int num_interfaces,...)2241 ZEND_API void zend_class_implements(zend_class_entry *class_entry TSRMLS_DC, int num_interfaces, ...) /* {{{ */
2242 {
2243 	zend_class_entry *interface_entry;
2244 	va_list interface_list;
2245 	va_start(interface_list, num_interfaces);
2246 
2247 	while (num_interfaces--) {
2248 		interface_entry = va_arg(interface_list, zend_class_entry *);
2249 		zend_do_implement_interface(class_entry, interface_entry TSRMLS_CC);
2250 	}
2251 
2252 	va_end(interface_list);
2253 }
2254 /* }}} */
2255 
2256 /* A class that contains at least one abstract method automatically becomes an abstract class.
2257  */
zend_register_internal_class(zend_class_entry * orig_class_entry TSRMLS_DC)2258 ZEND_API zend_class_entry *zend_register_internal_class(zend_class_entry *orig_class_entry TSRMLS_DC) /* {{{ */
2259 {
2260 	return do_register_internal_class(orig_class_entry, 0 TSRMLS_CC);
2261 }
2262 /* }}} */
2263 
zend_register_internal_interface(zend_class_entry * orig_class_entry TSRMLS_DC)2264 ZEND_API zend_class_entry *zend_register_internal_interface(zend_class_entry *orig_class_entry TSRMLS_DC) /* {{{ */
2265 {
2266 	return do_register_internal_class(orig_class_entry, ZEND_ACC_INTERFACE TSRMLS_CC);
2267 }
2268 /* }}} */
2269 
zend_register_class_alias_ex(const char * name,int name_len,zend_class_entry * ce TSRMLS_DC)2270 ZEND_API int zend_register_class_alias_ex(const char *name, int name_len, zend_class_entry *ce TSRMLS_DC) /* {{{ */
2271 {
2272 	char *lcname = zend_str_tolower_dup(name, name_len);
2273 	int ret;
2274 
2275 	ret = zend_hash_add(CG(class_table), lcname, name_len+1, &ce, sizeof(zend_class_entry *), NULL);
2276 	efree(lcname);
2277 	if (ret == SUCCESS) {
2278 		ce->refcount++;
2279 	}
2280 	return ret;
2281 }
2282 /* }}} */
2283 
zend_set_hash_symbol(zval * symbol,const char * name,int name_length,zend_bool is_ref,int num_symbol_tables,...)2284 ZEND_API int zend_set_hash_symbol(zval *symbol, const char *name, int name_length, zend_bool is_ref, int num_symbol_tables, ...) /* {{{ */
2285 {
2286 	HashTable *symbol_table;
2287 	va_list symbol_table_list;
2288 
2289 	if (num_symbol_tables <= 0) return FAILURE;
2290 
2291 	Z_SET_ISREF_TO_P(symbol, is_ref);
2292 
2293 	va_start(symbol_table_list, num_symbol_tables);
2294 	while (num_symbol_tables-- > 0) {
2295 		symbol_table = va_arg(symbol_table_list, HashTable *);
2296 		zend_hash_update(symbol_table, name, name_length + 1, &symbol, sizeof(zval *), NULL);
2297 		zval_add_ref(&symbol);
2298 	}
2299 	va_end(symbol_table_list);
2300 	return SUCCESS;
2301 }
2302 /* }}} */
2303 
2304 /* Disabled functions support */
2305 
2306 /* {{{ proto void display_disabled_function(void)
2307 Dummy function which displays an error when a disabled function is called. */
ZEND_FUNCTION(display_disabled_function)2308 ZEND_API ZEND_FUNCTION(display_disabled_function)
2309 {
2310 	zend_error(E_WARNING, "%s() has been disabled for security reasons", get_active_function_name(TSRMLS_C));
2311 }
2312 /* }}} */
2313 
2314 static zend_function_entry disabled_function[] = {
2315 	ZEND_FE(display_disabled_function,			NULL)
2316 	ZEND_FE_END
2317 };
2318 
zend_disable_function(char * function_name,uint function_name_length TSRMLS_DC)2319 ZEND_API int zend_disable_function(char *function_name, uint function_name_length TSRMLS_DC) /* {{{ */
2320 {
2321 	if (zend_hash_del(CG(function_table), function_name, function_name_length+1)==FAILURE) {
2322 		return FAILURE;
2323 	}
2324 	disabled_function[0].fname = function_name;
2325 	return zend_register_functions(NULL, disabled_function, CG(function_table), MODULE_PERSISTENT TSRMLS_CC);
2326 }
2327 /* }}} */
2328 
display_disabled_class(zend_class_entry * class_type TSRMLS_DC)2329 static zend_object_value display_disabled_class(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
2330 {
2331 	zend_object_value retval;
2332 	zend_object *intern;
2333 	retval = zend_objects_new(&intern, class_type TSRMLS_CC);
2334 	ALLOC_HASHTABLE(intern->properties);
2335 	zend_hash_init(intern->properties, 0, NULL, ZVAL_PTR_DTOR, 0);
2336 	zend_error(E_WARNING, "%s() has been disabled for security reasons", class_type->name);
2337 	return retval;
2338 }
2339 /* }}} */
2340 
2341 static const zend_function_entry disabled_class_new[] = {
2342 	ZEND_FE_END
2343 };
2344 
zend_disable_class(char * class_name,uint class_name_length TSRMLS_DC)2345 ZEND_API int zend_disable_class(char *class_name, uint class_name_length TSRMLS_DC) /* {{{ */
2346 {
2347 	zend_class_entry **disabled_class;
2348 
2349 	zend_str_tolower(class_name, class_name_length);
2350 	if (zend_hash_find(CG(class_table), class_name, class_name_length+1, (void **)&disabled_class)==FAILURE) {
2351 		return FAILURE;
2352 	}
2353 	INIT_CLASS_ENTRY_INIT_METHODS((**disabled_class), disabled_class_new, NULL, NULL, NULL, NULL, NULL);
2354 	(*disabled_class)->create_object = display_disabled_class;
2355 	zend_hash_clean(&((*disabled_class)->function_table));
2356 	return SUCCESS;
2357 }
2358 /* }}} */
2359 
zend_is_callable_check_class(const char * name,int name_len,zend_fcall_info_cache * fcc,int * strict_class,char ** error TSRMLS_DC)2360 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) /* {{{ */
2361 {
2362 	int ret = 0;
2363 	zend_class_entry **pce;
2364 	char *lcname = zend_str_tolower_dup(name, name_len);
2365 
2366 	*strict_class = 0;
2367 	if (name_len == sizeof("self") - 1 &&
2368 	    !memcmp(lcname, "self", sizeof("self") - 1)) {
2369 		if (!EG(scope)) {
2370 			if (error) *error = estrdup("cannot access self:: when no class scope is active");
2371 		} else {
2372 			fcc->called_scope = EG(called_scope);
2373 			fcc->calling_scope = EG(scope);
2374 			if (!fcc->object_ptr) {
2375 				fcc->object_ptr = EG(This);
2376 			}
2377 			ret = 1;
2378 		}
2379 	} else if (name_len == sizeof("parent") - 1 &&
2380 		       !memcmp(lcname, "parent", sizeof("parent") - 1)) {
2381 		if (!EG(scope)) {
2382 			if (error) *error = estrdup("cannot access parent:: when no class scope is active");
2383 		} else if (!EG(scope)->parent) {
2384 			if (error) *error = estrdup("cannot access parent:: when current class scope has no parent");
2385 		} else {
2386 			fcc->called_scope = EG(called_scope);
2387 			fcc->calling_scope = EG(scope)->parent;
2388 			if (!fcc->object_ptr) {
2389 				fcc->object_ptr = EG(This);
2390 			}
2391 			*strict_class = 1;
2392 			ret = 1;
2393 		}
2394 	} else if (name_len == sizeof("static") - 1 &&
2395 	           !memcmp(lcname, "static", sizeof("static") - 1)) {
2396 		if (!EG(called_scope)) {
2397 			if (error) *error = estrdup("cannot access static:: when no class scope is active");
2398 		} else {
2399 			fcc->called_scope = EG(called_scope);
2400 			fcc->calling_scope = EG(called_scope);
2401 			if (!fcc->object_ptr) {
2402 				fcc->object_ptr = EG(This);
2403 			}
2404 			*strict_class = 1;
2405 			ret = 1;
2406 		}
2407 	} else if (zend_lookup_class_ex(name, name_len, 1, &pce TSRMLS_CC) == SUCCESS) {
2408 		zend_class_entry *scope = EG(active_op_array) ? EG(active_op_array)->scope : NULL;
2409 
2410 		fcc->calling_scope = *pce;
2411 		if (scope && !fcc->object_ptr && EG(This) &&
2412 		    instanceof_function(Z_OBJCE_P(EG(This)), scope TSRMLS_CC) &&
2413 		    instanceof_function(scope, fcc->calling_scope TSRMLS_CC)) {
2414 			fcc->object_ptr = EG(This);
2415 			fcc->called_scope = Z_OBJCE_P(fcc->object_ptr);
2416 		} else {
2417 			fcc->called_scope = fcc->object_ptr ? Z_OBJCE_P(fcc->object_ptr) : fcc->calling_scope;
2418 		}
2419 		*strict_class = 1;
2420 		ret = 1;
2421 	} else {
2422 		if (error) zend_spprintf(error, 0, "class '%.*s' not found", name_len, name);
2423 	}
2424 	efree(lcname);
2425 	return ret;
2426 }
2427 /* }}} */
2428 
zend_is_callable_check_func(int check_flags,zval * callable,zend_fcall_info_cache * fcc,int strict_class,char ** error TSRMLS_DC)2429 static int zend_is_callable_check_func(int check_flags, zval *callable, zend_fcall_info_cache *fcc, int strict_class, char **error TSRMLS_DC) /* {{{ */
2430 {
2431 	zend_class_entry *ce_org = fcc->calling_scope;
2432 	int retval = 0;
2433 	char *mname, *lmname, *colon;
2434 	int clen, mlen;
2435 	zend_class_entry *last_scope;
2436 	HashTable *ftable;
2437 	int call_via_handler = 0;
2438 
2439 	if (error) {
2440 		*error = NULL;
2441 	}
2442 
2443 	fcc->calling_scope = NULL;
2444 	fcc->function_handler = NULL;
2445 
2446 	if (!ce_org) {
2447 		/* Skip leading \ */
2448 		if (Z_STRVAL_P(callable)[0] == '\\') {
2449 			mlen = Z_STRLEN_P(callable) - 1;
2450 			lmname = zend_str_tolower_dup(Z_STRVAL_P(callable) + 1, mlen);
2451 		} else {
2452 			mlen = Z_STRLEN_P(callable);
2453 			lmname = zend_str_tolower_dup(Z_STRVAL_P(callable), mlen);
2454 		}
2455 		/* Check if function with given name exists.
2456 		 * This may be a compound name that includes namespace name */
2457 		if (zend_hash_find(EG(function_table), lmname, mlen+1, (void**)&fcc->function_handler) == SUCCESS) {
2458 			efree(lmname);
2459 			return 1;
2460 		}
2461 		efree(lmname);
2462 	}
2463 
2464 	/* Split name into class/namespace and method/function names */
2465 	if ((colon = zend_memrchr(Z_STRVAL_P(callable), ':', Z_STRLEN_P(callable))) != NULL &&
2466 		colon > Z_STRVAL_P(callable) &&
2467 		*(colon-1) == ':'
2468 	) {
2469 		colon--;
2470 		clen = colon - Z_STRVAL_P(callable);
2471 		mlen = Z_STRLEN_P(callable) - clen - 2;
2472 
2473 		if (colon == Z_STRVAL_P(callable)) {
2474 			if (error) zend_spprintf(error, 0, "invalid function name");
2475 			return 0;
2476 		}
2477 
2478 		/* This is a compound name.
2479 		 * Try to fetch class and then find static method. */
2480 		last_scope = EG(scope);
2481 		if (ce_org) {
2482 			EG(scope) = ce_org;
2483 		}
2484 
2485 		if (!zend_is_callable_check_class(Z_STRVAL_P(callable), clen, fcc, &strict_class, error TSRMLS_CC)) {
2486 			EG(scope) = last_scope;
2487 			return 0;
2488 		}
2489 		EG(scope) = last_scope;
2490 
2491 		ftable = &fcc->calling_scope->function_table;
2492 		if (ce_org && !instanceof_function(ce_org, fcc->calling_scope TSRMLS_CC)) {
2493 			if (error) zend_spprintf(error, 0, "class '%s' is not a subclass of '%s'", ce_org->name, fcc->calling_scope->name);
2494 			return 0;
2495 		}
2496 		mname = Z_STRVAL_P(callable) + clen + 2;
2497 	} else if (ce_org) {
2498 		/* Try to fetch find static method of given class. */
2499 		mlen = Z_STRLEN_P(callable);
2500 		mname = Z_STRVAL_P(callable);
2501 		ftable = &ce_org->function_table;
2502 		fcc->calling_scope = ce_org;
2503 	} else {
2504 		/* We already checked for plain function before. */
2505 		if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) {
2506 			zend_spprintf(error, 0, "function '%s' not found or invalid function name", Z_STRVAL_P(callable));
2507 		}
2508 		return 0;
2509 	}
2510 
2511 	lmname = zend_str_tolower_dup(mname, mlen);
2512 	if (strict_class &&
2513 	    fcc->calling_scope &&
2514 	    mlen == sizeof(ZEND_CONSTRUCTOR_FUNC_NAME)-1 &&
2515 	    !memcmp(lmname, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME))) {
2516 		fcc->function_handler = fcc->calling_scope->constructor;
2517 		if (fcc->function_handler) {
2518 			retval = 1;
2519 		}
2520 	} else if (zend_hash_find(ftable, lmname, mlen+1, (void**)&fcc->function_handler) == SUCCESS) {
2521 		retval = 1;
2522 		if ((fcc->function_handler->op_array.fn_flags & ZEND_ACC_CHANGED) &&
2523 		    !strict_class && EG(scope) &&
2524 		    instanceof_function(fcc->function_handler->common.scope, EG(scope) TSRMLS_CC)) {
2525 			zend_function *priv_fbc;
2526 
2527 			if (zend_hash_find(&EG(scope)->function_table, lmname, mlen+1, (void **) &priv_fbc)==SUCCESS
2528 				&& priv_fbc->common.fn_flags & ZEND_ACC_PRIVATE
2529 				&& priv_fbc->common.scope == EG(scope)) {
2530 				fcc->function_handler = priv_fbc;
2531 			}
2532 		}
2533 		if ((check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0 &&
2534 		    (fcc->calling_scope &&
2535 		     (fcc->calling_scope->__call ||
2536 		      fcc->calling_scope->__callstatic))) {
2537 			if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) {
2538 				if (!zend_check_private(fcc->function_handler, fcc->object_ptr ? Z_OBJCE_P(fcc->object_ptr) : EG(scope), lmname, mlen TSRMLS_CC)) {
2539 					retval = 0;
2540 					fcc->function_handler = NULL;
2541 					goto get_function_via_handler;
2542 				}
2543 			} else if (fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED) {
2544 				if (!zend_check_protected(fcc->function_handler->common.scope, EG(scope))) {
2545 					retval = 0;
2546 					fcc->function_handler = NULL;
2547 					goto get_function_via_handler;
2548 				}
2549 			}
2550 		}
2551 	} else {
2552 get_function_via_handler:
2553 		if (fcc->object_ptr && fcc->calling_scope == ce_org) {
2554 			if (strict_class && ce_org->__call) {
2555 				fcc->function_handler = emalloc(sizeof(zend_internal_function));
2556 				fcc->function_handler->internal_function.type = ZEND_INTERNAL_FUNCTION;
2557 				fcc->function_handler->internal_function.module = ce_org->module;
2558 				fcc->function_handler->internal_function.handler = zend_std_call_user_call;
2559 				fcc->function_handler->internal_function.arg_info = NULL;
2560 				fcc->function_handler->internal_function.num_args = 0;
2561 				fcc->function_handler->internal_function.scope = ce_org;
2562 				fcc->function_handler->internal_function.fn_flags = ZEND_ACC_CALL_VIA_HANDLER;
2563 				fcc->function_handler->internal_function.function_name = estrndup(mname, mlen);
2564 				fcc->function_handler->internal_function.pass_rest_by_reference = 0;
2565 				fcc->function_handler->internal_function.return_reference = ZEND_RETURN_VALUE;
2566 				call_via_handler = 1;
2567 				retval = 1;
2568 			} else if (Z_OBJ_HT_P(fcc->object_ptr)->get_method) {
2569 				fcc->function_handler = Z_OBJ_HT_P(fcc->object_ptr)->get_method(&fcc->object_ptr, mname, mlen TSRMLS_CC);
2570 				if (fcc->function_handler) {
2571 					if (strict_class &&
2572 					    (!fcc->function_handler->common.scope ||
2573 					     !instanceof_function(ce_org, fcc->function_handler->common.scope TSRMLS_CC))) {
2574 						if ((fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0) {
2575 							if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
2576 								efree(fcc->function_handler->common.function_name);
2577 							}
2578 							efree(fcc->function_handler);
2579 						}
2580 					} else {
2581 						retval = 1;
2582 						call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0;
2583 					}
2584 				}
2585 			}
2586 		} else if (fcc->calling_scope) {
2587 			if (fcc->calling_scope->get_static_method) {
2588 				fcc->function_handler = fcc->calling_scope->get_static_method(fcc->calling_scope, mname, mlen TSRMLS_CC);
2589 			} else {
2590 				fcc->function_handler = zend_std_get_static_method(fcc->calling_scope, mname, mlen TSRMLS_CC);
2591 			}
2592 			if (fcc->function_handler) {
2593 				retval = 1;
2594 				call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0;
2595 				if (call_via_handler && !fcc->object_ptr && EG(This) &&
2596 				    Z_OBJ_HT_P(EG(This))->get_class_entry &&
2597 				    instanceof_function(Z_OBJCE_P(EG(This)), fcc->calling_scope TSRMLS_CC)) {
2598 					fcc->object_ptr = EG(This);
2599 				}
2600 			}
2601 		}
2602 	}
2603 
2604 	if (retval) {
2605 		if (fcc->calling_scope && !call_via_handler) {
2606 			if (!fcc->object_ptr && (fcc->function_handler->common.fn_flags & ZEND_ACC_ABSTRACT)) {
2607 				if (error) {
2608 					zend_spprintf(error, 0, "cannot call abstract method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name);
2609 					retval = 0;
2610 				} else {
2611 					zend_error(E_ERROR, "Cannot call abstract method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name);
2612 				}
2613 			} else if (!fcc->object_ptr && !(fcc->function_handler->common.fn_flags & ZEND_ACC_STATIC)) {
2614 				int severity;
2615 				char *verb;
2616 				if (fcc->function_handler->common.fn_flags & ZEND_ACC_ALLOW_STATIC) {
2617 					severity = E_STRICT;
2618 					verb = "should not";
2619 				} else {
2620 					/* An internal function assumes $this is present and won't check that. So PHP would crash by allowing the call. */
2621 					severity = E_ERROR;
2622 					verb = "cannot";
2623 				}
2624 				if ((check_flags & IS_CALLABLE_CHECK_IS_STATIC) != 0) {
2625 					retval = 0;
2626 				}
2627 				if (EG(This) && instanceof_function(Z_OBJCE_P(EG(This)), fcc->calling_scope TSRMLS_CC)) {
2628 					fcc->object_ptr = EG(This);
2629 					if (error) {
2630 						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);
2631 						if (severity == E_ERROR) {
2632 							retval = 0;
2633 						}
2634 					} else if (retval) {
2635 						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);
2636 					}
2637 				} else {
2638 					if (error) {
2639 						zend_spprintf(error, 0, "non-static method %s::%s() %s be called statically", fcc->calling_scope->name, fcc->function_handler->common.function_name, verb);
2640 						if (severity == E_ERROR) {
2641 							retval = 0;
2642 						}
2643 					} else if (retval) {
2644 						zend_error(severity, "Non-static method %s::%s() %s be called statically", fcc->calling_scope->name, fcc->function_handler->common.function_name, verb);
2645 					}
2646 				}
2647 			}
2648 			if (retval && (check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0) {
2649 				if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) {
2650 					if (!zend_check_private(fcc->function_handler, fcc->object_ptr ? Z_OBJCE_P(fcc->object_ptr) : EG(scope), lmname, mlen TSRMLS_CC)) {
2651 						if (error) {
2652 							if (*error) {
2653 								efree(*error);
2654 							}
2655 							zend_spprintf(error, 0, "cannot access private method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name);
2656 						}
2657 						retval = 0;
2658 					}
2659 				} else if ((fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED)) {
2660 					if (!zend_check_protected(fcc->function_handler->common.scope, EG(scope))) {
2661 						if (error) {
2662 							if (*error) {
2663 								efree(*error);
2664 							}
2665 							zend_spprintf(error, 0, "cannot access protected method %s::%s()", fcc->calling_scope->name, fcc->function_handler->common.function_name);
2666 						}
2667 						retval = 0;
2668 					}
2669 				}
2670 			}
2671 		}
2672 	} else if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) {
2673 		if (fcc->calling_scope) {
2674 			if (error) zend_spprintf(error, 0, "class '%s' does not have a method '%s'", fcc->calling_scope->name, mname);
2675 		} else {
2676 			if (error) zend_spprintf(error, 0, "function '%s' does not exist", mname);
2677 		}
2678 	}
2679 	efree(lmname);
2680 
2681 	if (fcc->object_ptr) {
2682 		fcc->called_scope = Z_OBJCE_P(fcc->object_ptr);
2683 	}
2684 	if (retval) {
2685 		fcc->initialized = 1;
2686 	}
2687 	return retval;
2688 }
2689 /* }}} */
2690 
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)2691 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) /* {{{ */
2692 {
2693 	zend_bool ret;
2694 	int callable_name_len_local;
2695 	zend_fcall_info_cache fcc_local;
2696 
2697 	if (callable_name) {
2698 		*callable_name = NULL;
2699 	}
2700 	if (callable_name_len == NULL) {
2701 		callable_name_len = &callable_name_len_local;
2702 	}
2703 	if (fcc == NULL) {
2704 		fcc = &fcc_local;
2705 	}
2706 	if (error) {
2707 		*error = NULL;
2708 	}
2709 
2710 	fcc->initialized = 0;
2711 	fcc->calling_scope = NULL;
2712 	fcc->called_scope = NULL;
2713 	fcc->function_handler = NULL;
2714 	fcc->calling_scope = NULL;
2715 	fcc->object_ptr = NULL;
2716 
2717 	if (object_ptr && Z_TYPE_P(object_ptr) != IS_OBJECT) {
2718 		object_ptr = NULL;
2719 	}
2720 	if (object_ptr &&
2721 	    (!EG(objects_store).object_buckets ||
2722 	     !EG(objects_store).object_buckets[Z_OBJ_HANDLE_P(object_ptr)].valid)) {
2723 		return 0;
2724 	}
2725 
2726 	switch (Z_TYPE_P(callable)) {
2727 		case IS_STRING:
2728 			if (object_ptr) {
2729 				fcc->object_ptr = object_ptr;
2730 				fcc->calling_scope = Z_OBJCE_P(object_ptr);
2731 				if (callable_name) {
2732 					char *ptr;
2733 
2734 					*callable_name_len = fcc->calling_scope->name_length + Z_STRLEN_P(callable) + sizeof("::") - 1;
2735 					ptr = *callable_name = emalloc(*callable_name_len + 1);
2736 					memcpy(ptr, fcc->calling_scope->name, fcc->calling_scope->name_length);
2737 					ptr += fcc->calling_scope->name_length;
2738 					memcpy(ptr, "::", sizeof("::") - 1);
2739 					ptr += sizeof("::") - 1;
2740 					memcpy(ptr, Z_STRVAL_P(callable), Z_STRLEN_P(callable) + 1);
2741 				}
2742 			} else if (callable_name) {
2743 				*callable_name = estrndup(Z_STRVAL_P(callable), Z_STRLEN_P(callable));
2744 				*callable_name_len = Z_STRLEN_P(callable);
2745 			}
2746 			if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
2747 				fcc->called_scope = fcc->calling_scope;
2748 				return 1;
2749 			}
2750 
2751 			ret = zend_is_callable_check_func(check_flags, callable, fcc, 0, error TSRMLS_CC);
2752 			if (fcc == &fcc_local &&
2753 			    fcc->function_handler &&
2754 				((fcc->function_handler->type == ZEND_INTERNAL_FUNCTION &&
2755 			      (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER)) ||
2756 			     fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
2757 			     fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
2758 				if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
2759 					efree(fcc->function_handler->common.function_name);
2760 				}
2761 				efree(fcc->function_handler);
2762 			}
2763 			return ret;
2764 
2765 		case IS_ARRAY:
2766 			{
2767 				zval **method = NULL;
2768 				zval **obj = NULL;
2769 				int strict_class = 0;
2770 
2771 				if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
2772 					zend_hash_index_find(Z_ARRVAL_P(callable), 0, (void **) &obj);
2773 					zend_hash_index_find(Z_ARRVAL_P(callable), 1, (void **) &method);
2774 				}
2775 				if (obj && method &&
2776 					(Z_TYPE_PP(obj) == IS_OBJECT ||
2777 					Z_TYPE_PP(obj) == IS_STRING) &&
2778 					Z_TYPE_PP(method) == IS_STRING) {
2779 
2780 					if (Z_TYPE_PP(obj) == IS_STRING) {
2781 						if (callable_name) {
2782 							char *ptr;
2783 
2784 							*callable_name_len = Z_STRLEN_PP(obj) + Z_STRLEN_PP(method) + sizeof("::") - 1;
2785 							ptr = *callable_name = emalloc(*callable_name_len + 1);
2786 							memcpy(ptr, Z_STRVAL_PP(obj), Z_STRLEN_PP(obj));
2787 							ptr += Z_STRLEN_PP(obj);
2788 							memcpy(ptr, "::", sizeof("::") - 1);
2789 							ptr += sizeof("::") - 1;
2790 							memcpy(ptr, Z_STRVAL_PP(method), Z_STRLEN_PP(method) + 1);
2791 						}
2792 
2793 						if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
2794 							return 1;
2795 						}
2796 
2797 						if (!zend_is_callable_check_class(Z_STRVAL_PP(obj), Z_STRLEN_PP(obj), fcc, &strict_class, error TSRMLS_CC)) {
2798 							return 0;
2799 						}
2800 
2801 					} else {
2802 						if (!EG(objects_store).object_buckets ||
2803 						    !EG(objects_store).object_buckets[Z_OBJ_HANDLE_PP(obj)].valid) {
2804 							return 0;
2805 						}
2806 
2807 						fcc->calling_scope = Z_OBJCE_PP(obj); /* TBFixed: what if it's overloaded? */
2808 
2809 						fcc->object_ptr = *obj;
2810 
2811 						if (callable_name) {
2812 							char *ptr;
2813 
2814 							*callable_name_len = fcc->calling_scope->name_length + Z_STRLEN_PP(method) + sizeof("::") - 1;
2815 							ptr = *callable_name = emalloc(*callable_name_len + 1);
2816 							memcpy(ptr, fcc->calling_scope->name, fcc->calling_scope->name_length);
2817 							ptr += fcc->calling_scope->name_length;
2818 							memcpy(ptr, "::", sizeof("::") - 1);
2819 							ptr += sizeof("::") - 1;
2820 							memcpy(ptr, Z_STRVAL_PP(method), Z_STRLEN_PP(method) + 1);
2821 						}
2822 
2823 						if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
2824 							fcc->called_scope = fcc->calling_scope;
2825 							return 1;
2826 						}
2827 					}
2828 
2829 					ret = zend_is_callable_check_func(check_flags, *method, fcc, strict_class, error TSRMLS_CC);
2830 					if (fcc == &fcc_local &&
2831 					    fcc->function_handler &&
2832 						((fcc->function_handler->type == ZEND_INTERNAL_FUNCTION &&
2833 					      (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER)) ||
2834 					     fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
2835 					     fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
2836 						if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
2837 							efree(fcc->function_handler->common.function_name);
2838 						}
2839 						efree(fcc->function_handler);
2840 					}
2841 					return ret;
2842 
2843 				} else {
2844 					if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
2845 						if (!obj || (Z_TYPE_PP(obj) != IS_STRING && Z_TYPE_PP(obj) != IS_OBJECT)) {
2846 							if (error) zend_spprintf(error, 0, "first array member is not a valid class name or object");
2847 						} else {
2848 							if (error) zend_spprintf(error, 0, "second array member is not a valid method");
2849 						}
2850 					} else {
2851 						if (error) zend_spprintf(error, 0, "array must have exactly two members");
2852 					}
2853 					if (callable_name) {
2854 						*callable_name = estrndup("Array", sizeof("Array")-1);
2855 						*callable_name_len = sizeof("Array") - 1;
2856 					}
2857 				}
2858 			}
2859 			return 0;
2860 
2861 		case IS_OBJECT:
2862 			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) {
2863 				fcc->called_scope = fcc->calling_scope;
2864 				if (callable_name) {
2865 					zend_class_entry *ce = Z_OBJCE_P(callable); /* TBFixed: what if it's overloaded? */
2866 
2867 					*callable_name_len = ce->name_length + sizeof("::__invoke") - 1;
2868 					*callable_name = emalloc(*callable_name_len + 1);
2869 					memcpy(*callable_name, ce->name, ce->name_length);
2870 					memcpy((*callable_name) + ce->name_length, "::__invoke", sizeof("::__invoke"));
2871 				}
2872 				return 1;
2873 			}
2874 			/* break missing intentionally */
2875 
2876 		default:
2877 			if (callable_name) {
2878 				zval expr_copy;
2879 				int use_copy;
2880 
2881 				zend_make_printable_zval(callable, &expr_copy, &use_copy);
2882 				*callable_name = estrndup(Z_STRVAL(expr_copy), Z_STRLEN(expr_copy));
2883 				*callable_name_len = Z_STRLEN(expr_copy);
2884 				zval_dtor(&expr_copy);
2885 			}
2886 			if (error) zend_spprintf(error, 0, "no array or string given");
2887 			return 0;
2888 	}
2889 }
2890 /* }}} */
2891 
zend_is_callable(zval * callable,uint check_flags,char ** callable_name TSRMLS_DC)2892 ZEND_API zend_bool zend_is_callable(zval *callable, uint check_flags, char **callable_name TSRMLS_DC) /* {{{ */
2893 {
2894 	return zend_is_callable_ex(callable, NULL, check_flags, callable_name, NULL, NULL, NULL TSRMLS_CC);
2895 }
2896 /* }}} */
2897 
zend_make_callable(zval * callable,char ** callable_name TSRMLS_DC)2898 ZEND_API zend_bool zend_make_callable(zval *callable, char **callable_name TSRMLS_DC) /* {{{ */
2899 {
2900 	zend_fcall_info_cache fcc;
2901 
2902 	if (zend_is_callable_ex(callable, NULL, IS_CALLABLE_STRICT, callable_name, NULL, &fcc, NULL TSRMLS_CC)) {
2903 		if (Z_TYPE_P(callable) == IS_STRING && fcc.calling_scope) {
2904 			zval_dtor(callable);
2905 			array_init(callable);
2906 			add_next_index_string(callable, fcc.calling_scope->name, 1);
2907 			add_next_index_string(callable, fcc.function_handler->common.function_name, 1);
2908 		}
2909 		if (fcc.function_handler &&
2910 			((fcc.function_handler->type == ZEND_INTERNAL_FUNCTION &&
2911 		      (fcc.function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER)) ||
2912 		     fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
2913 		     fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
2914 			if (fcc.function_handler->type != ZEND_OVERLOADED_FUNCTION) {
2915 				efree(fcc.function_handler->common.function_name);
2916 			}
2917 			efree(fcc.function_handler);
2918 		}
2919 		return 1;
2920 	}
2921 	return 0;
2922 }
2923 /* }}} */
2924 
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)2925 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) /* {{{ */
2926 {
2927 	if (!zend_is_callable_ex(callable, NULL, check_flags, callable_name, NULL, fcc, error TSRMLS_CC)) {
2928 		return FAILURE;
2929 	}
2930 
2931 	fci->size = sizeof(*fci);
2932 	fci->function_table = fcc->calling_scope ? &fcc->calling_scope->function_table : EG(function_table);
2933 	fci->object_ptr = fcc->object_ptr;
2934 	fci->function_name = callable;
2935 	fci->retval_ptr_ptr = NULL;
2936 	fci->param_count = 0;
2937 	fci->params = NULL;
2938 	fci->no_separation = 1;
2939 	fci->symbol_table = NULL;
2940 
2941 	return SUCCESS;
2942 }
2943 /* }}} */
2944 
zend_fcall_info_args_clear(zend_fcall_info * fci,int free_mem)2945 ZEND_API void zend_fcall_info_args_clear(zend_fcall_info *fci, int free_mem) /* {{{ */
2946 {
2947 	if (fci->params) {
2948 		if (free_mem) {
2949 			efree(fci->params);
2950 			fci->params = NULL;
2951 		}
2952 	}
2953 	fci->param_count = 0;
2954 }
2955 /* }}} */
2956 
zend_fcall_info_args_save(zend_fcall_info * fci,int * param_count,zval **** params)2957 ZEND_API void zend_fcall_info_args_save(zend_fcall_info *fci, int *param_count, zval ****params) /* {{{ */
2958 {
2959 	*param_count = fci->param_count;
2960 	*params = fci->params;
2961 	fci->param_count = 0;
2962 	fci->params = NULL;
2963 }
2964 /* }}} */
2965 
zend_fcall_info_args_restore(zend_fcall_info * fci,int param_count,zval *** params)2966 ZEND_API void zend_fcall_info_args_restore(zend_fcall_info *fci, int param_count, zval ***params) /* {{{ */
2967 {
2968 	zend_fcall_info_args_clear(fci, 1);
2969 	fci->param_count = param_count;
2970 	fci->params = params;
2971 }
2972 /* }}} */
2973 
zend_fcall_info_args(zend_fcall_info * fci,zval * args TSRMLS_DC)2974 ZEND_API int zend_fcall_info_args(zend_fcall_info *fci, zval *args TSRMLS_DC) /* {{{ */
2975 {
2976 	HashPosition pos;
2977 	zval **arg, ***params;
2978 
2979 	zend_fcall_info_args_clear(fci, !args);
2980 
2981 	if (!args) {
2982 		return SUCCESS;
2983 	}
2984 
2985 	if (Z_TYPE_P(args) != IS_ARRAY) {
2986 		return FAILURE;
2987 	}
2988 
2989 	fci->param_count = zend_hash_num_elements(Z_ARRVAL_P(args));
2990 	fci->params = params = (zval ***) erealloc(fci->params, fci->param_count * sizeof(zval **));
2991 
2992 	zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(args), &pos);
2993 	while (zend_hash_get_current_data_ex(Z_ARRVAL_P(args), (void *) &arg, &pos) == SUCCESS) {
2994 		*params++ = arg;
2995 		zend_hash_move_forward_ex(Z_ARRVAL_P(args), &pos);
2996 	}
2997 
2998 	return SUCCESS;
2999 }
3000 /* }}} */
3001 
zend_fcall_info_argp(zend_fcall_info * fci TSRMLS_DC,int argc,zval *** argv)3002 ZEND_API int zend_fcall_info_argp(zend_fcall_info *fci TSRMLS_DC, int argc, zval ***argv) /* {{{ */
3003 {
3004 	int i;
3005 
3006 	if (argc < 0) {
3007 		return FAILURE;
3008 	}
3009 
3010 	zend_fcall_info_args_clear(fci, !argc);
3011 
3012 	if (argc) {
3013 		fci->param_count = argc;
3014 		fci->params = (zval ***) erealloc(fci->params, fci->param_count * sizeof(zval **));
3015 
3016 		for (i = 0; i < argc; ++i) {
3017 			fci->params[i] = argv[i];
3018 		}
3019 	}
3020 
3021 	return SUCCESS;
3022 }
3023 /* }}} */
3024 
zend_fcall_info_argv(zend_fcall_info * fci TSRMLS_DC,int argc,va_list * argv)3025 ZEND_API int zend_fcall_info_argv(zend_fcall_info *fci TSRMLS_DC, int argc, va_list *argv) /* {{{ */
3026 {
3027 	int i;
3028 	zval **arg;
3029 
3030 	if (argc < 0) {
3031 		return FAILURE;
3032 	}
3033 
3034 	zend_fcall_info_args_clear(fci, !argc);
3035 
3036 	if (argc) {
3037 		fci->param_count = argc;
3038 		fci->params = (zval ***) erealloc(fci->params, fci->param_count * sizeof(zval **));
3039 
3040 		for (i = 0; i < argc; ++i) {
3041 			arg = va_arg(*argv, zval **);
3042 			fci->params[i] = arg;
3043 		}
3044 	}
3045 
3046 	return SUCCESS;
3047 }
3048 /* }}} */
3049 
zend_fcall_info_argn(zend_fcall_info * fci TSRMLS_DC,int argc,...)3050 ZEND_API int zend_fcall_info_argn(zend_fcall_info *fci TSRMLS_DC, int argc, ...) /* {{{ */
3051 {
3052 	int ret;
3053 	va_list argv;
3054 
3055 	va_start(argv, argc);
3056 	ret = zend_fcall_info_argv(fci TSRMLS_CC, argc, &argv);
3057 	va_end(argv);
3058 
3059 	return ret;
3060 }
3061 /* }}} */
3062 
zend_fcall_info_call(zend_fcall_info * fci,zend_fcall_info_cache * fcc,zval ** retval_ptr_ptr,zval * args TSRMLS_DC)3063 ZEND_API int zend_fcall_info_call(zend_fcall_info *fci, zend_fcall_info_cache *fcc, zval **retval_ptr_ptr, zval *args TSRMLS_DC) /* {{{ */
3064 {
3065 	zval *retval, ***org_params = NULL;
3066 	int result, org_count = 0;
3067 
3068 	fci->retval_ptr_ptr = retval_ptr_ptr ? retval_ptr_ptr : &retval;
3069 	if (args) {
3070 		zend_fcall_info_args_save(fci, &org_count, &org_params);
3071 		zend_fcall_info_args(fci, args TSRMLS_CC);
3072 	}
3073 	result = zend_call_function(fci, fcc TSRMLS_CC);
3074 
3075 	if (!retval_ptr_ptr && retval) {
3076 		zval_ptr_dtor(&retval);
3077 	}
3078 	if (args) {
3079 		zend_fcall_info_args_restore(fci, org_count, org_params);
3080 	}
3081 	return result;
3082 }
3083 /* }}} */
3084 
zend_get_module_version(const char * module_name)3085 ZEND_API const char *zend_get_module_version(const char *module_name) /* {{{ */
3086 {
3087 	char *lname;
3088 	int name_len = strlen(module_name);
3089 	zend_module_entry *module;
3090 
3091 	lname = zend_str_tolower_dup(module_name, name_len);
3092 	if (zend_hash_find(&module_registry, lname, name_len + 1, (void**)&module) == FAILURE) {
3093 		efree(lname);
3094 		return NULL;
3095 	}
3096 	efree(lname);
3097 	return module->version;
3098 }
3099 /* }}} */
3100 
zend_declare_property_ex(zend_class_entry * ce,const char * name,int name_length,zval * property,int access_type,char * doc_comment,int doc_comment_len TSRMLS_DC)3101 ZEND_API int zend_declare_property_ex(zend_class_entry *ce, const char *name, int name_length, zval *property, int access_type, char *doc_comment, int doc_comment_len TSRMLS_DC) /* {{{ */
3102 {
3103 	zend_property_info property_info;
3104 	HashTable *target_symbol_table;
3105 
3106 	if (!(access_type & ZEND_ACC_PPP_MASK)) {
3107 		access_type |= ZEND_ACC_PUBLIC;
3108 	}
3109 	if (access_type & ZEND_ACC_STATIC) {
3110 		target_symbol_table = &ce->default_static_members;
3111 	} else {
3112 		target_symbol_table = &ce->default_properties;
3113 	}
3114 	if (ce->type & ZEND_INTERNAL_CLASS) {
3115 		switch(Z_TYPE_P(property)) {
3116 			case IS_ARRAY:
3117 			case IS_CONSTANT_ARRAY:
3118 			case IS_OBJECT:
3119 			case IS_RESOURCE:
3120 				zend_error(E_CORE_ERROR, "Internal zval's can't be arrays, objects or resources");
3121 				break;
3122 			default:
3123 				break;
3124 		}
3125 	}
3126 	switch (access_type & ZEND_ACC_PPP_MASK) {
3127 		case ZEND_ACC_PRIVATE: {
3128 				char *priv_name;
3129 				int priv_name_length;
3130 
3131 				zend_mangle_property_name(&priv_name, &priv_name_length, ce->name, ce->name_length, name, name_length, ce->type & ZEND_INTERNAL_CLASS);
3132 				zend_hash_update(target_symbol_table, priv_name, priv_name_length+1, &property, sizeof(zval *), NULL);
3133 				property_info.name = priv_name;
3134 				property_info.name_length = priv_name_length;
3135 			}
3136 			break;
3137 		case ZEND_ACC_PROTECTED: {
3138 				char *prot_name;
3139 				int prot_name_length;
3140 
3141 				zend_mangle_property_name(&prot_name, &prot_name_length, "*", 1, name, name_length, ce->type & ZEND_INTERNAL_CLASS);
3142 				zend_hash_update(target_symbol_table, prot_name, prot_name_length+1, &property, sizeof(zval *), NULL);
3143 				property_info.name = prot_name;
3144 				property_info.name_length = prot_name_length;
3145 			}
3146 			break;
3147 		case ZEND_ACC_PUBLIC:
3148 			if (ce->parent) {
3149 				char *prot_name;
3150 				int prot_name_length;
3151 
3152 				zend_mangle_property_name(&prot_name, &prot_name_length, "*", 1, name, name_length, ce->type & ZEND_INTERNAL_CLASS);
3153 				zend_hash_del(target_symbol_table, prot_name, prot_name_length+1);
3154 				pefree(prot_name, ce->type & ZEND_INTERNAL_CLASS);
3155 			}
3156 			zend_hash_update(target_symbol_table, name, name_length+1, &property, sizeof(zval *), NULL);
3157 			property_info.name = ce->type & ZEND_INTERNAL_CLASS ? zend_strndup(name, name_length) : estrndup(name, name_length);
3158 			property_info.name_length = name_length;
3159 			break;
3160 	}
3161 	property_info.flags = access_type;
3162 	property_info.h = zend_get_hash_value(property_info.name, property_info.name_length+1);
3163 
3164 	property_info.doc_comment = doc_comment;
3165 	property_info.doc_comment_len = doc_comment_len;
3166 
3167 	property_info.ce = ce;
3168 
3169 	zend_hash_update(&ce->properties_info, name, name_length + 1, &property_info, sizeof(zend_property_info), NULL);
3170 
3171 	return SUCCESS;
3172 }
3173 /* }}} */
3174 
zend_declare_property(zend_class_entry * ce,char * name,int name_length,zval * property,int access_type TSRMLS_DC)3175 ZEND_API int zend_declare_property(zend_class_entry *ce, char *name, int name_length, zval *property, int access_type TSRMLS_DC) /* {{{ */
3176 {
3177 	return zend_declare_property_ex(ce, name, name_length, property, access_type, NULL, 0 TSRMLS_CC);
3178 }
3179 /* }}} */
3180 
zend_declare_property_null(zend_class_entry * ce,char * name,int name_length,int access_type TSRMLS_DC)3181 ZEND_API int zend_declare_property_null(zend_class_entry *ce, char *name, int name_length, int access_type TSRMLS_DC) /* {{{ */
3182 {
3183 	zval *property;
3184 
3185 	if (ce->type & ZEND_INTERNAL_CLASS) {
3186 		ALLOC_PERMANENT_ZVAL(property);
3187 	} else {
3188 		ALLOC_ZVAL(property);
3189 	}
3190 	INIT_ZVAL(*property);
3191 	return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3192 }
3193 /* }}} */
3194 
zend_declare_property_bool(zend_class_entry * ce,char * name,int name_length,long value,int access_type TSRMLS_DC)3195 ZEND_API int zend_declare_property_bool(zend_class_entry *ce, char *name, int name_length, long value, int access_type TSRMLS_DC) /* {{{ */
3196 {
3197 	zval *property;
3198 
3199 	if (ce->type & ZEND_INTERNAL_CLASS) {
3200 		ALLOC_PERMANENT_ZVAL(property);
3201 	} else {
3202 		ALLOC_ZVAL(property);
3203 	}
3204 	INIT_PZVAL(property);
3205 	ZVAL_BOOL(property, value);
3206 	return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3207 }
3208 /* }}} */
3209 
zend_declare_property_long(zend_class_entry * ce,char * name,int name_length,long value,int access_type TSRMLS_DC)3210 ZEND_API int zend_declare_property_long(zend_class_entry *ce, char *name, int name_length, long value, int access_type TSRMLS_DC) /* {{{ */
3211 {
3212 	zval *property;
3213 
3214 	if (ce->type & ZEND_INTERNAL_CLASS) {
3215 		ALLOC_PERMANENT_ZVAL(property);
3216 	} else {
3217 		ALLOC_ZVAL(property);
3218 	}
3219 	INIT_PZVAL(property);
3220 	ZVAL_LONG(property, value);
3221 	return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3222 }
3223 /* }}} */
3224 
zend_declare_property_double(zend_class_entry * ce,char * name,int name_length,double value,int access_type TSRMLS_DC)3225 ZEND_API int zend_declare_property_double(zend_class_entry *ce, char *name, int name_length, double value, int access_type TSRMLS_DC) /* {{{ */
3226 {
3227 	zval *property;
3228 
3229 	if (ce->type & ZEND_INTERNAL_CLASS) {
3230 		ALLOC_PERMANENT_ZVAL(property);
3231 	} else {
3232 		ALLOC_ZVAL(property);
3233 	}
3234 	INIT_PZVAL(property);
3235 	ZVAL_DOUBLE(property, value);
3236 	return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3237 }
3238 /* }}} */
3239 
zend_declare_property_string(zend_class_entry * ce,char * name,int name_length,char * value,int access_type TSRMLS_DC)3240 ZEND_API int zend_declare_property_string(zend_class_entry *ce, char *name, int name_length, char *value, int access_type TSRMLS_DC) /* {{{ */
3241 {
3242 	zval *property;
3243 	int len = strlen(value);
3244 
3245 	if (ce->type & ZEND_INTERNAL_CLASS) {
3246 		ALLOC_PERMANENT_ZVAL(property);
3247 		ZVAL_STRINGL(property, zend_strndup(value, len), len, 0);
3248 	} else {
3249 		ALLOC_ZVAL(property);
3250 		ZVAL_STRINGL(property, value, len, 1);
3251 	}
3252 	INIT_PZVAL(property);
3253 	return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3254 }
3255 /* }}} */
3256 
zend_declare_property_stringl(zend_class_entry * ce,char * name,int name_length,char * value,int value_len,int access_type TSRMLS_DC)3257 ZEND_API int zend_declare_property_stringl(zend_class_entry *ce, char *name, int name_length, char *value, int value_len, int access_type TSRMLS_DC) /* {{{ */
3258 {
3259 	zval *property;
3260 
3261 	if (ce->type & ZEND_INTERNAL_CLASS) {
3262 		ALLOC_PERMANENT_ZVAL(property);
3263 		ZVAL_STRINGL(property, zend_strndup(value, value_len), value_len, 0);
3264 	} else {
3265 		ALLOC_ZVAL(property);
3266 		ZVAL_STRINGL(property, value, value_len, 1);
3267 	}
3268 	INIT_PZVAL(property);
3269 	return zend_declare_property(ce, name, name_length, property, access_type TSRMLS_CC);
3270 }
3271 /* }}} */
3272 
zend_declare_class_constant(zend_class_entry * ce,const char * name,size_t name_length,zval * value TSRMLS_DC)3273 ZEND_API int zend_declare_class_constant(zend_class_entry *ce, const char *name, size_t name_length, zval *value TSRMLS_DC) /* {{{ */
3274 {
3275 	return zend_hash_update(&ce->constants_table, name, name_length+1, &value, sizeof(zval *), NULL);
3276 }
3277 /* }}} */
3278 
zend_declare_class_constant_null(zend_class_entry * ce,const char * name,size_t name_length TSRMLS_DC)3279 ZEND_API int zend_declare_class_constant_null(zend_class_entry *ce, const char *name, size_t name_length TSRMLS_DC) /* {{{ */
3280 {
3281 	zval *constant;
3282 
3283 	if (ce->type & ZEND_INTERNAL_CLASS) {
3284 		ALLOC_PERMANENT_ZVAL(constant);
3285 	} else {
3286 		ALLOC_ZVAL(constant);
3287 	}
3288 	ZVAL_NULL(constant);
3289 	INIT_PZVAL(constant);
3290 	return zend_declare_class_constant(ce, name, name_length, constant TSRMLS_CC);
3291 }
3292 /* }}} */
3293 
zend_declare_class_constant_long(zend_class_entry * ce,const char * name,size_t name_length,long value TSRMLS_DC)3294 ZEND_API int zend_declare_class_constant_long(zend_class_entry *ce, const char *name, size_t name_length, long value TSRMLS_DC) /* {{{ */
3295 {
3296 	zval *constant;
3297 
3298 	if (ce->type & ZEND_INTERNAL_CLASS) {
3299 		ALLOC_PERMANENT_ZVAL(constant);
3300 	} else {
3301 		ALLOC_ZVAL(constant);
3302 	}
3303 	ZVAL_LONG(constant, value);
3304 	INIT_PZVAL(constant);
3305 	return zend_declare_class_constant(ce, name, name_length, constant TSRMLS_CC);
3306 }
3307 /* }}} */
3308 
zend_declare_class_constant_bool(zend_class_entry * ce,const char * name,size_t name_length,zend_bool value TSRMLS_DC)3309 ZEND_API int zend_declare_class_constant_bool(zend_class_entry *ce, const char *name, size_t name_length, zend_bool value TSRMLS_DC) /* {{{ */
3310 {
3311 	zval *constant;
3312 
3313 	if (ce->type & ZEND_INTERNAL_CLASS) {
3314 		ALLOC_PERMANENT_ZVAL(constant);
3315 	} else {
3316 		ALLOC_ZVAL(constant);
3317 	}
3318 	ZVAL_BOOL(constant, value);
3319 	INIT_PZVAL(constant);
3320 	return zend_declare_class_constant(ce, name, name_length, constant TSRMLS_CC);
3321 }
3322 /* }}} */
3323 
zend_declare_class_constant_double(zend_class_entry * ce,const char * name,size_t name_length,double value TSRMLS_DC)3324 ZEND_API int zend_declare_class_constant_double(zend_class_entry *ce, const char *name, size_t name_length, double value TSRMLS_DC) /* {{{ */
3325 {
3326 	zval *constant;
3327 
3328 	if (ce->type & ZEND_INTERNAL_CLASS) {
3329 		ALLOC_PERMANENT_ZVAL(constant);
3330 	} else {
3331 		ALLOC_ZVAL(constant);
3332 	}
3333 	ZVAL_DOUBLE(constant, value);
3334 	INIT_PZVAL(constant);
3335 	return zend_declare_class_constant(ce, name, name_length, constant TSRMLS_CC);
3336 }
3337 /* }}} */
3338 
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)3339 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) /* {{{ */
3340 {
3341 	zval *constant;
3342 
3343 	if (ce->type & ZEND_INTERNAL_CLASS) {
3344 		ALLOC_PERMANENT_ZVAL(constant);
3345 		ZVAL_STRINGL(constant, zend_strndup(value, value_length), value_length, 0);
3346 	} else {
3347 		ALLOC_ZVAL(constant);
3348 		ZVAL_STRINGL(constant, value, value_length, 1);
3349 	}
3350 	INIT_PZVAL(constant);
3351 	return zend_declare_class_constant(ce, name, name_length, constant TSRMLS_CC);
3352 }
3353 /* }}} */
3354 
zend_declare_class_constant_string(zend_class_entry * ce,const char * name,size_t name_length,const char * value TSRMLS_DC)3355 ZEND_API int zend_declare_class_constant_string(zend_class_entry *ce, const char *name, size_t name_length, const char *value TSRMLS_DC) /* {{{ */
3356 {
3357 	return zend_declare_class_constant_stringl(ce, name, name_length, value, strlen(value) TSRMLS_CC);
3358 }
3359 /* }}} */
3360 
zend_update_property(zend_class_entry * scope,zval * object,char * name,int name_length,zval * value TSRMLS_DC)3361 ZEND_API void zend_update_property(zend_class_entry *scope, zval *object, char *name, int name_length, zval *value TSRMLS_DC) /* {{{ */
3362 {
3363 	zval *property;
3364 	zend_class_entry *old_scope = EG(scope);
3365 
3366 	EG(scope) = scope;
3367 
3368 	if (!Z_OBJ_HT_P(object)->write_property) {
3369 		char *class_name;
3370 		zend_uint class_name_len;
3371 
3372 		zend_get_object_classname(object, &class_name, &class_name_len TSRMLS_CC);
3373 
3374 		zend_error(E_CORE_ERROR, "Property %s of class %s cannot be updated", name, class_name);
3375 	}
3376 	MAKE_STD_ZVAL(property);
3377 	ZVAL_STRINGL(property, name, name_length, 1);
3378 	Z_OBJ_HT_P(object)->write_property(object, property, value TSRMLS_CC);
3379 	zval_ptr_dtor(&property);
3380 
3381 	EG(scope) = old_scope;
3382 }
3383 /* }}} */
3384 
zend_update_property_null(zend_class_entry * scope,zval * object,char * name,int name_length TSRMLS_DC)3385 ZEND_API void zend_update_property_null(zend_class_entry *scope, zval *object, char *name, int name_length TSRMLS_DC) /* {{{ */
3386 {
3387 	zval *tmp;
3388 
3389 	ALLOC_ZVAL(tmp);
3390 	Z_UNSET_ISREF_P(tmp);
3391 	Z_SET_REFCOUNT_P(tmp, 0);
3392 	ZVAL_NULL(tmp);
3393 	zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3394 }
3395 /* }}} */
3396 
zend_update_property_bool(zend_class_entry * scope,zval * object,char * name,int name_length,long value TSRMLS_DC)3397 ZEND_API void zend_update_property_bool(zend_class_entry *scope, zval *object, char *name, int name_length, long value TSRMLS_DC) /* {{{ */
3398 {
3399 	zval *tmp;
3400 
3401 	ALLOC_ZVAL(tmp);
3402 	Z_UNSET_ISREF_P(tmp);
3403 	Z_SET_REFCOUNT_P(tmp, 0);
3404 	ZVAL_BOOL(tmp, value);
3405 	zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3406 }
3407 /* }}} */
3408 
zend_update_property_long(zend_class_entry * scope,zval * object,char * name,int name_length,long value TSRMLS_DC)3409 ZEND_API void zend_update_property_long(zend_class_entry *scope, zval *object, char *name, int name_length, long value TSRMLS_DC) /* {{{ */
3410 {
3411 	zval *tmp;
3412 
3413 	ALLOC_ZVAL(tmp);
3414 	Z_UNSET_ISREF_P(tmp);
3415 	Z_SET_REFCOUNT_P(tmp, 0);
3416 	ZVAL_LONG(tmp, value);
3417 	zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3418 }
3419 /* }}} */
3420 
zend_update_property_double(zend_class_entry * scope,zval * object,char * name,int name_length,double value TSRMLS_DC)3421 ZEND_API void zend_update_property_double(zend_class_entry *scope, zval *object, char *name, int name_length, double value TSRMLS_DC) /* {{{ */
3422 {
3423 	zval *tmp;
3424 
3425 	ALLOC_ZVAL(tmp);
3426 	Z_UNSET_ISREF_P(tmp);
3427 	Z_SET_REFCOUNT_P(tmp, 0);
3428 	ZVAL_DOUBLE(tmp, value);
3429 	zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3430 }
3431 /* }}} */
3432 
zend_update_property_string(zend_class_entry * scope,zval * object,char * name,int name_length,const char * value TSRMLS_DC)3433 ZEND_API void zend_update_property_string(zend_class_entry *scope, zval *object, char *name, int name_length, const char *value TSRMLS_DC) /* {{{ */
3434 {
3435 	zval *tmp;
3436 
3437 	ALLOC_ZVAL(tmp);
3438 	Z_UNSET_ISREF_P(tmp);
3439 	Z_SET_REFCOUNT_P(tmp, 0);
3440 	ZVAL_STRING(tmp, value, 1);
3441 	zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3442 }
3443 /* }}} */
3444 
zend_update_property_stringl(zend_class_entry * scope,zval * object,char * name,int name_length,const char * value,int value_len TSRMLS_DC)3445 ZEND_API void zend_update_property_stringl(zend_class_entry *scope, zval *object, char *name, int name_length, const char *value, int value_len TSRMLS_DC) /* {{{ */
3446 {
3447 	zval *tmp;
3448 
3449 	ALLOC_ZVAL(tmp);
3450 	Z_UNSET_ISREF_P(tmp);
3451 	Z_SET_REFCOUNT_P(tmp, 0);
3452 	ZVAL_STRINGL(tmp, value, value_len, 1);
3453 	zend_update_property(scope, object, name, name_length, tmp TSRMLS_CC);
3454 }
3455 /* }}} */
3456 
zend_update_static_property(zend_class_entry * scope,char * name,int name_length,zval * value TSRMLS_DC)3457 ZEND_API int zend_update_static_property(zend_class_entry *scope, char *name, int name_length, zval *value TSRMLS_DC) /* {{{ */
3458 {
3459 	zval **property;
3460 	zend_class_entry *old_scope = EG(scope);
3461 
3462 	EG(scope) = scope;
3463 	property = zend_std_get_static_property(scope, name, name_length, 0 TSRMLS_CC);
3464 	EG(scope) = old_scope;
3465 	if (!property) {
3466 		return FAILURE;
3467 	} else {
3468 		if (*property != value) {
3469 			if (PZVAL_IS_REF(*property)) {
3470 				zval_dtor(*property);
3471 				Z_TYPE_PP(property) = Z_TYPE_P(value);
3472 				(*property)->value = value->value;
3473 				if (Z_REFCOUNT_P(value) > 0) {
3474 					zval_copy_ctor(*property);
3475 				} else {
3476 					efree(value);
3477 				}
3478 			} else {
3479 				zval *garbage = *property;
3480 
3481 				Z_ADDREF_P(value);
3482 				if (PZVAL_IS_REF(value)) {
3483 					SEPARATE_ZVAL(&value);
3484 				}
3485 				*property = value;
3486 				zval_ptr_dtor(&garbage);
3487 			}
3488 		}
3489 		return SUCCESS;
3490 	}
3491 }
3492 /* }}} */
3493 
zend_update_static_property_null(zend_class_entry * scope,char * name,int name_length TSRMLS_DC)3494 ZEND_API int zend_update_static_property_null(zend_class_entry *scope, char *name, int name_length TSRMLS_DC) /* {{{ */
3495 {
3496 	zval *tmp;
3497 
3498 	ALLOC_ZVAL(tmp);
3499 	Z_UNSET_ISREF_P(tmp);
3500 	Z_SET_REFCOUNT_P(tmp, 0);
3501 	ZVAL_NULL(tmp);
3502 	return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3503 }
3504 /* }}} */
3505 
zend_update_static_property_bool(zend_class_entry * scope,char * name,int name_length,long value TSRMLS_DC)3506 ZEND_API int zend_update_static_property_bool(zend_class_entry *scope, char *name, int name_length, long value TSRMLS_DC) /* {{{ */
3507 {
3508 	zval *tmp;
3509 
3510 	ALLOC_ZVAL(tmp);
3511 	Z_UNSET_ISREF_P(tmp);
3512 	Z_SET_REFCOUNT_P(tmp, 0);
3513 	ZVAL_BOOL(tmp, value);
3514 	return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3515 }
3516 /* }}} */
3517 
zend_update_static_property_long(zend_class_entry * scope,char * name,int name_length,long value TSRMLS_DC)3518 ZEND_API int zend_update_static_property_long(zend_class_entry *scope, char *name, int name_length, long value TSRMLS_DC) /* {{{ */
3519 {
3520 	zval *tmp;
3521 
3522 	ALLOC_ZVAL(tmp);
3523 	Z_UNSET_ISREF_P(tmp);
3524 	Z_SET_REFCOUNT_P(tmp, 0);
3525 	ZVAL_LONG(tmp, value);
3526 	return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3527 }
3528 /* }}} */
3529 
zend_update_static_property_double(zend_class_entry * scope,char * name,int name_length,double value TSRMLS_DC)3530 ZEND_API int zend_update_static_property_double(zend_class_entry *scope, char *name, int name_length, double value TSRMLS_DC) /* {{{ */
3531 {
3532 	zval *tmp;
3533 
3534 	ALLOC_ZVAL(tmp);
3535 	Z_UNSET_ISREF_P(tmp);
3536 	Z_SET_REFCOUNT_P(tmp, 0);
3537 	ZVAL_DOUBLE(tmp, value);
3538 	return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3539 }
3540 /* }}} */
3541 
zend_update_static_property_string(zend_class_entry * scope,char * name,int name_length,const char * value TSRMLS_DC)3542 ZEND_API int zend_update_static_property_string(zend_class_entry *scope, char *name, int name_length, const char *value TSRMLS_DC) /* {{{ */
3543 {
3544 	zval *tmp;
3545 
3546 	ALLOC_ZVAL(tmp);
3547 	Z_UNSET_ISREF_P(tmp);
3548 	Z_SET_REFCOUNT_P(tmp, 0);
3549 	ZVAL_STRING(tmp, value, 1);
3550 	return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3551 }
3552 /* }}} */
3553 
zend_update_static_property_stringl(zend_class_entry * scope,char * name,int name_length,const char * value,int value_len TSRMLS_DC)3554 ZEND_API int zend_update_static_property_stringl(zend_class_entry *scope, char *name, int name_length, const char *value, int value_len TSRMLS_DC) /* {{{ */
3555 {
3556 	zval *tmp;
3557 
3558 	ALLOC_ZVAL(tmp);
3559 	Z_UNSET_ISREF_P(tmp);
3560 	Z_SET_REFCOUNT_P(tmp, 0);
3561 	ZVAL_STRINGL(tmp, value, value_len, 1);
3562 	return zend_update_static_property(scope, name, name_length, tmp TSRMLS_CC);
3563 }
3564 /* }}} */
3565 
zend_read_property(zend_class_entry * scope,zval * object,char * name,int name_length,zend_bool silent TSRMLS_DC)3566 ZEND_API zval *zend_read_property(zend_class_entry *scope, zval *object, char *name, int name_length, zend_bool silent TSRMLS_DC) /* {{{ */
3567 {
3568 	zval *property, *value;
3569 	zend_class_entry *old_scope = EG(scope);
3570 
3571 	EG(scope) = scope;
3572 
3573 	if (!Z_OBJ_HT_P(object)->read_property) {
3574 		char *class_name;
3575 		zend_uint class_name_len;
3576 
3577 		zend_get_object_classname(object, &class_name, &class_name_len TSRMLS_CC);
3578 		zend_error(E_CORE_ERROR, "Property %s of class %s cannot be read", name, class_name);
3579 	}
3580 
3581 	MAKE_STD_ZVAL(property);
3582 	ZVAL_STRINGL(property, name, name_length, 1);
3583 	value = Z_OBJ_HT_P(object)->read_property(object, property, silent?BP_VAR_IS:BP_VAR_R TSRMLS_CC);
3584 	zval_ptr_dtor(&property);
3585 
3586 	EG(scope) = old_scope;
3587 	return value;
3588 }
3589 /* }}} */
3590 
zend_read_static_property(zend_class_entry * scope,char * name,int name_length,zend_bool silent TSRMLS_DC)3591 ZEND_API zval *zend_read_static_property(zend_class_entry *scope, char *name, int name_length, zend_bool silent TSRMLS_DC) /* {{{ */
3592 {
3593 	zval **property;
3594 	zend_class_entry *old_scope = EG(scope);
3595 
3596 	EG(scope) = scope;
3597 	property = zend_std_get_static_property(scope, name, name_length, silent TSRMLS_CC);
3598 	EG(scope) = old_scope;
3599 
3600 	return property?*property:NULL;
3601 }
3602 /* }}} */
3603 
zend_save_error_handling(zend_error_handling * current TSRMLS_DC)3604 ZEND_API void zend_save_error_handling(zend_error_handling *current TSRMLS_DC) /* {{{ */
3605 {
3606 	current->handling = EG(error_handling);
3607 	current->exception = EG(exception_class);
3608 	current->user_handler = EG(user_error_handler);
3609 	if (current->user_handler) {
3610 		Z_ADDREF_P(current->user_handler);
3611 	}
3612 }
3613 /* }}} */
3614 
zend_replace_error_handling(zend_error_handling_t error_handling,zend_class_entry * exception_class,zend_error_handling * current TSRMLS_DC)3615 ZEND_API void zend_replace_error_handling(zend_error_handling_t error_handling, zend_class_entry *exception_class, zend_error_handling *current TSRMLS_DC) /* {{{ */
3616 {
3617 	if (current) {
3618 		zend_save_error_handling(current TSRMLS_CC);
3619 		if (error_handling != EH_NORMAL && EG(user_error_handler)) {
3620 			zval_ptr_dtor(&EG(user_error_handler));
3621 			EG(user_error_handler) = NULL;
3622 		}
3623 	}
3624 	EG(error_handling) = error_handling;
3625 	EG(exception_class) = error_handling == EH_THROW ? exception_class : NULL;
3626 }
3627 /* }}} */
3628 
zend_restore_error_handling(zend_error_handling * saved TSRMLS_DC)3629 ZEND_API void zend_restore_error_handling(zend_error_handling *saved TSRMLS_DC) /* {{{ */
3630 {
3631 	EG(error_handling) = saved->handling;
3632 	EG(exception_class) = saved->handling == EH_THROW ? saved->exception : NULL;
3633 	if (saved->user_handler	&& saved->user_handler != EG(user_error_handler)) {
3634 		if (EG(user_error_handler)) {
3635 			zval_ptr_dtor(&EG(user_error_handler));
3636 		}
3637 		EG(user_error_handler) = saved->user_handler;
3638 	} else if (saved->user_handler) {
3639 		zval_ptr_dtor(&saved->user_handler);
3640 	}
3641 	saved->user_handler = NULL;
3642 }
3643 /* }}} */
3644 
3645 /*
3646  * Local variables:
3647  * tab-width: 4
3648  * c-basic-offset: 4
3649  * indent-tabs-mode: t
3650  * End:
3651  */
3652