1 /*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 2.00 of the Zend license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.zend.com/license/2_00.txt. |
11 | If you did not receive a copy of the Zend license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@zend.com so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Andi Gutmans <andi@zend.com> |
16 | Zeev Suraski <zeev@zend.com> |
17 +----------------------------------------------------------------------+
18 */
19
20 /* $Id$ */
21
22 #include "zend.h"
23 #include "zend_extensions.h"
24 #include "zend_modules.h"
25 #include "zend_constants.h"
26 #include "zend_list.h"
27 #include "zend_API.h"
28 #include "zend_exceptions.h"
29 #include "zend_builtin_functions.h"
30 #include "zend_ini.h"
31 #include "zend_vm.h"
32 #include "zend_dtrace.h"
33 #include "zend_virtual_cwd.h"
34
35 #ifdef ZTS
36 # define GLOBAL_FUNCTION_TABLE global_function_table
37 # define GLOBAL_CLASS_TABLE global_class_table
38 # define GLOBAL_CONSTANTS_TABLE global_constants_table
39 # define GLOBAL_AUTO_GLOBALS_TABLE global_auto_globals_table
40 #else
41 # define GLOBAL_FUNCTION_TABLE CG(function_table)
42 # define GLOBAL_CLASS_TABLE CG(class_table)
43 # define GLOBAL_AUTO_GLOBALS_TABLE CG(auto_globals)
44 # define GLOBAL_CONSTANTS_TABLE EG(zend_constants)
45 #endif
46
47 /* true multithread-shared globals */
48 ZEND_API zend_class_entry *zend_standard_class_def = NULL;
49 ZEND_API int (*zend_printf)(const char *format, ...);
50 ZEND_API zend_write_func_t zend_write;
51 ZEND_API FILE *(*zend_fopen)(const char *filename, char **opened_path TSRMLS_DC);
52 ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC);
53 ZEND_API void (*zend_block_interruptions)(void);
54 ZEND_API void (*zend_unblock_interruptions)(void);
55 ZEND_API void (*zend_ticks_function)(int ticks);
56 ZEND_API void (*zend_error_cb)(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args);
57 int (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap);
58 ZEND_API char *(*zend_getenv)(char *name, size_t name_len TSRMLS_DC);
59 ZEND_API char *(*zend_resolve_path)(const char *filename, int filename_len TSRMLS_DC);
60
61 void (*zend_on_timeout)(int seconds TSRMLS_DC);
62
63 static void (*zend_message_dispatcher_p)(long message, const void *data TSRMLS_DC);
64 static int (*zend_get_configuration_directive_p)(const char *name, uint name_length, zval *contents);
65
ZEND_INI_MH(OnUpdateErrorReporting)66 static ZEND_INI_MH(OnUpdateErrorReporting) /* {{{ */
67 {
68 if (!new_value) {
69 EG(error_reporting) = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED;
70 } else {
71 EG(error_reporting) = atoi(new_value);
72 }
73 return SUCCESS;
74 }
75 /* }}} */
76
ZEND_INI_MH(OnUpdateGCEnabled)77 static ZEND_INI_MH(OnUpdateGCEnabled) /* {{{ */
78 {
79 OnUpdateBool(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
80
81 if (GC_G(gc_enabled)) {
82 gc_init(TSRMLS_C);
83 }
84
85 return SUCCESS;
86 }
87 /* }}} */
88
ZEND_INI_MH(OnUpdateScriptEncoding)89 static ZEND_INI_MH(OnUpdateScriptEncoding) /* {{{ */
90 {
91 if (!CG(multibyte)) {
92 return FAILURE;
93 }
94 if (!zend_multibyte_get_functions(TSRMLS_C)) {
95 return SUCCESS;
96 }
97 return zend_multibyte_set_script_encoding_by_string(new_value, new_value_length TSRMLS_CC);
98 }
99 /* }}} */
100
101
102 ZEND_INI_BEGIN()
103 ZEND_INI_ENTRY("error_reporting", NULL, ZEND_INI_ALL, OnUpdateErrorReporting)
104 STD_ZEND_INI_BOOLEAN("zend.enable_gc", "1", ZEND_INI_ALL, OnUpdateGCEnabled, gc_enabled, zend_gc_globals, gc_globals)
105 STD_ZEND_INI_BOOLEAN("zend.multibyte", "0", ZEND_INI_PERDIR, OnUpdateBool, multibyte, zend_compiler_globals, compiler_globals)
106 ZEND_INI_ENTRY("zend.script_encoding", NULL, ZEND_INI_ALL, OnUpdateScriptEncoding)
107 STD_ZEND_INI_BOOLEAN("zend.detect_unicode", "1", ZEND_INI_ALL, OnUpdateBool, detect_unicode, zend_compiler_globals, compiler_globals)
108 #ifdef ZEND_SIGNALS
109 STD_ZEND_INI_BOOLEAN("zend.signal_check", "0", ZEND_INI_SYSTEM, OnUpdateBool, check, zend_signal_globals_t, zend_signal_globals)
110 #endif
111 ZEND_INI_END()
112
113
114 #ifdef ZTS
115 ZEND_API int compiler_globals_id;
116 ZEND_API int executor_globals_id;
117 static HashTable *global_function_table = NULL;
118 static HashTable *global_class_table = NULL;
119 static HashTable *global_constants_table = NULL;
120 static HashTable *global_auto_globals_table = NULL;
121 static HashTable *global_persistent_list = NULL;
122 #endif
123
124 ZEND_API zend_utility_values zend_uv;
125
126 ZEND_API zval zval_used_for_init; /* True global variable */
127
128 /* version information */
129 static char *zend_version_info;
130 static uint zend_version_info_length;
131 #define ZEND_CORE_VERSION_INFO "Zend Engine v" ZEND_VERSION ", Copyright (c) 1998-2016 Zend Technologies\n"
132 #define PRINT_ZVAL_INDENT 4
133
print_hash(zend_write_func_t write_func,HashTable * ht,int indent,zend_bool is_object TSRMLS_DC)134 static void print_hash(zend_write_func_t write_func, HashTable *ht, int indent, zend_bool is_object TSRMLS_DC) /* {{{ */
135 {
136 zval **tmp;
137 char *string_key;
138 HashPosition iterator;
139 ulong num_key;
140 uint str_len;
141 int i;
142
143 for (i = 0; i < indent; i++) {
144 ZEND_PUTS_EX(" ");
145 }
146 ZEND_PUTS_EX("(\n");
147 indent += PRINT_ZVAL_INDENT;
148 zend_hash_internal_pointer_reset_ex(ht, &iterator);
149 while (zend_hash_get_current_data_ex(ht, (void **) &tmp, &iterator) == SUCCESS) {
150 for (i = 0; i < indent; i++) {
151 ZEND_PUTS_EX(" ");
152 }
153 ZEND_PUTS_EX("[");
154 switch (zend_hash_get_current_key_ex(ht, &string_key, &str_len, &num_key, 0, &iterator)) {
155 case HASH_KEY_IS_STRING:
156 if (is_object) {
157 const char *prop_name, *class_name;
158 int prop_len;
159 int mangled = zend_unmangle_property_name_ex(string_key, str_len - 1, &class_name, &prop_name, &prop_len);
160
161 ZEND_WRITE_EX(prop_name, prop_len);
162 if (class_name && mangled == SUCCESS) {
163 if (class_name[0]=='*') {
164 ZEND_PUTS_EX(":protected");
165 } else {
166 ZEND_PUTS_EX(":");
167 ZEND_PUTS_EX(class_name);
168 ZEND_PUTS_EX(":private");
169 }
170 }
171 } else {
172 ZEND_WRITE_EX(string_key, str_len-1);
173 }
174 break;
175 case HASH_KEY_IS_LONG:
176 {
177 char key[25];
178 snprintf(key, sizeof(key), "%ld", num_key);
179 ZEND_PUTS_EX(key);
180 }
181 break;
182 }
183 ZEND_PUTS_EX("] => ");
184 zend_print_zval_r_ex(write_func, *tmp, indent+PRINT_ZVAL_INDENT TSRMLS_CC);
185 ZEND_PUTS_EX("\n");
186 zend_hash_move_forward_ex(ht, &iterator);
187 }
188 indent -= PRINT_ZVAL_INDENT;
189 for (i = 0; i < indent; i++) {
190 ZEND_PUTS_EX(" ");
191 }
192 ZEND_PUTS_EX(")\n");
193 }
194 /* }}} */
195
print_flat_hash(HashTable * ht TSRMLS_DC)196 static void print_flat_hash(HashTable *ht TSRMLS_DC) /* {{{ */
197 {
198 zval **tmp;
199 char *string_key;
200 HashPosition iterator;
201 ulong num_key;
202 uint str_len;
203 int i = 0;
204
205 zend_hash_internal_pointer_reset_ex(ht, &iterator);
206 while (zend_hash_get_current_data_ex(ht, (void **) &tmp, &iterator) == SUCCESS) {
207 if (i++ > 0) {
208 ZEND_PUTS(",");
209 }
210 ZEND_PUTS("[");
211 switch (zend_hash_get_current_key_ex(ht, &string_key, &str_len, &num_key, 0, &iterator)) {
212 case HASH_KEY_IS_STRING:
213 ZEND_PUTS(string_key);
214 break;
215 case HASH_KEY_IS_LONG:
216 zend_printf("%ld", num_key);
217 break;
218 }
219 ZEND_PUTS("] => ");
220 zend_print_flat_zval_r(*tmp TSRMLS_CC);
221 zend_hash_move_forward_ex(ht, &iterator);
222 }
223 }
224 /* }}} */
225
zend_make_printable_zval(zval * expr,zval * expr_copy,int * use_copy)226 ZEND_API void zend_make_printable_zval(zval *expr, zval *expr_copy, int *use_copy) /* {{{ */
227 {
228 if (Z_TYPE_P(expr)==IS_STRING) {
229 *use_copy = 0;
230 return;
231 }
232 switch (Z_TYPE_P(expr)) {
233 case IS_NULL:
234 Z_STRLEN_P(expr_copy) = 0;
235 Z_STRVAL_P(expr_copy) = STR_EMPTY_ALLOC();
236 break;
237 case IS_BOOL:
238 if (Z_LVAL_P(expr)) {
239 Z_STRLEN_P(expr_copy) = 1;
240 Z_STRVAL_P(expr_copy) = estrndup("1", 1);
241 } else {
242 Z_STRLEN_P(expr_copy) = 0;
243 Z_STRVAL_P(expr_copy) = STR_EMPTY_ALLOC();
244 }
245 break;
246 case IS_RESOURCE:
247 Z_STRVAL_P(expr_copy) = (char *) emalloc(sizeof("Resource id #") - 1 + MAX_LENGTH_OF_LONG);
248 Z_STRLEN_P(expr_copy) = snprintf(Z_STRVAL_P(expr_copy), sizeof("Resource id #") - 1 + MAX_LENGTH_OF_LONG, "Resource id #%ld", Z_LVAL_P(expr));
249 break;
250 case IS_ARRAY:
251 zend_error(E_NOTICE, "Array to string conversion");
252 Z_STRLEN_P(expr_copy) = sizeof("Array") - 1;
253 Z_STRVAL_P(expr_copy) = estrndup("Array", Z_STRLEN_P(expr_copy));
254 break;
255 case IS_OBJECT:
256 {
257 TSRMLS_FETCH();
258
259 if (zend_std_cast_object_tostring(expr, expr_copy, IS_STRING TSRMLS_CC) == SUCCESS) {
260 break;
261 }
262 if (Z_OBJ_HANDLER_P(expr, cast_object)) {
263 zval *val;
264
265 ALLOC_ZVAL(val);
266 INIT_PZVAL_COPY(val, expr);
267 zval_copy_ctor(val);
268 if (Z_OBJ_HANDLER_P(expr, cast_object)(val, expr_copy, IS_STRING TSRMLS_CC) == SUCCESS) {
269 zval_ptr_dtor(&val);
270 break;
271 }
272 zval_ptr_dtor(&val);
273 }
274 if (!Z_OBJ_HANDLER_P(expr, cast_object) && Z_OBJ_HANDLER_P(expr, get)) {
275 zval *z = Z_OBJ_HANDLER_P(expr, get)(expr TSRMLS_CC);
276
277 Z_ADDREF_P(z);
278 if (Z_TYPE_P(z) != IS_OBJECT) {
279 zend_make_printable_zval(z, expr_copy, use_copy);
280 if (*use_copy) {
281 zval_ptr_dtor(&z);
282 } else {
283 ZVAL_ZVAL(expr_copy, z, 0, 1);
284 *use_copy = 1;
285 }
286 return;
287 }
288 zval_ptr_dtor(&z);
289 }
290 zend_error(EG(exception) ? E_ERROR : E_RECOVERABLE_ERROR, "Object of class %s could not be converted to string", Z_OBJCE_P(expr)->name);
291 Z_STRLEN_P(expr_copy) = 0;
292 Z_STRVAL_P(expr_copy) = STR_EMPTY_ALLOC();
293 }
294 break;
295 case IS_DOUBLE:
296 *expr_copy = *expr;
297 zval_copy_ctor(expr_copy);
298 zend_locale_sprintf_double(expr_copy ZEND_FILE_LINE_CC);
299 break;
300 default:
301 *expr_copy = *expr;
302 zval_copy_ctor(expr_copy);
303 convert_to_string(expr_copy);
304 break;
305 }
306 Z_TYPE_P(expr_copy) = IS_STRING;
307 *use_copy = 1;
308 }
309 /* }}} */
310
zend_print_zval(zval * expr,int indent)311 ZEND_API int zend_print_zval(zval *expr, int indent) /* {{{ */
312 {
313 return zend_print_zval_ex(zend_write, expr, indent);
314 }
315 /* }}} */
316
zend_print_zval_ex(zend_write_func_t write_func,zval * expr,int indent)317 ZEND_API int zend_print_zval_ex(zend_write_func_t write_func, zval *expr, int indent) /* {{{ */
318 {
319 zval expr_copy;
320 int use_copy;
321
322 zend_make_printable_zval(expr, &expr_copy, &use_copy);
323 if (use_copy) {
324 expr = &expr_copy;
325 }
326 if (Z_STRLEN_P(expr) == 0) { /* optimize away empty strings */
327 if (use_copy) {
328 zval_dtor(expr);
329 }
330 return 0;
331 }
332 write_func(Z_STRVAL_P(expr), Z_STRLEN_P(expr));
333 if (use_copy) {
334 zval_dtor(expr);
335 }
336 return Z_STRLEN_P(expr);
337 }
338 /* }}} */
339
zend_print_flat_zval_r(zval * expr TSRMLS_DC)340 ZEND_API void zend_print_flat_zval_r(zval *expr TSRMLS_DC) /* {{{ */
341 {
342 switch (Z_TYPE_P(expr)) {
343 case IS_ARRAY:
344 ZEND_PUTS("Array (");
345 if (++Z_ARRVAL_P(expr)->nApplyCount>1) {
346 ZEND_PUTS(" *RECURSION*");
347 Z_ARRVAL_P(expr)->nApplyCount--;
348 return;
349 }
350 print_flat_hash(Z_ARRVAL_P(expr) TSRMLS_CC);
351 ZEND_PUTS(")");
352 Z_ARRVAL_P(expr)->nApplyCount--;
353 break;
354 case IS_OBJECT:
355 {
356 HashTable *properties = NULL;
357 const char *class_name = NULL;
358 zend_uint clen;
359
360 if (Z_OBJ_HANDLER_P(expr, get_class_name)) {
361 Z_OBJ_HANDLER_P(expr, get_class_name)(expr, &class_name, &clen, 0 TSRMLS_CC);
362 }
363 if (class_name) {
364 zend_printf("%s Object (", class_name);
365 } else {
366 zend_printf("%s Object (", "Unknown Class");
367 }
368 if (class_name) {
369 efree((char*)class_name);
370 }
371 if (Z_OBJ_HANDLER_P(expr, get_properties)) {
372 properties = Z_OBJPROP_P(expr);
373 }
374 if (properties) {
375 if (++properties->nApplyCount>1) {
376 ZEND_PUTS(" *RECURSION*");
377 properties->nApplyCount--;
378 return;
379 }
380 print_flat_hash(properties TSRMLS_CC);
381 properties->nApplyCount--;
382 }
383 ZEND_PUTS(")");
384 break;
385 }
386 default:
387 zend_print_variable(expr);
388 break;
389 }
390 }
391 /* }}} */
392
zend_print_zval_r(zval * expr,int indent TSRMLS_DC)393 ZEND_API void zend_print_zval_r(zval *expr, int indent TSRMLS_DC) /* {{{ */
394 {
395 zend_print_zval_r_ex(zend_write, expr, indent TSRMLS_CC);
396 }
397 /* }}} */
398
zend_print_zval_r_ex(zend_write_func_t write_func,zval * expr,int indent TSRMLS_DC)399 ZEND_API void zend_print_zval_r_ex(zend_write_func_t write_func, zval *expr, int indent TSRMLS_DC) /* {{{ */
400 {
401 switch (Z_TYPE_P(expr)) {
402 case IS_ARRAY:
403 ZEND_PUTS_EX("Array\n");
404 if (++Z_ARRVAL_P(expr)->nApplyCount>1) {
405 ZEND_PUTS_EX(" *RECURSION*");
406 Z_ARRVAL_P(expr)->nApplyCount--;
407 return;
408 }
409 print_hash(write_func, Z_ARRVAL_P(expr), indent, 0 TSRMLS_CC);
410 Z_ARRVAL_P(expr)->nApplyCount--;
411 break;
412 case IS_OBJECT:
413 {
414 HashTable *properties;
415 const char *class_name = NULL;
416 zend_uint clen;
417 int is_temp;
418
419 if (Z_OBJ_HANDLER_P(expr, get_class_name)) {
420 Z_OBJ_HANDLER_P(expr, get_class_name)(expr, &class_name, &clen, 0 TSRMLS_CC);
421 }
422 if (class_name) {
423 ZEND_PUTS_EX(class_name);
424 } else {
425 ZEND_PUTS_EX("Unknown Class");
426 }
427 ZEND_PUTS_EX(" Object\n");
428 if (class_name) {
429 efree((char*)class_name);
430 }
431 if ((properties = Z_OBJDEBUG_P(expr, is_temp)) == NULL) {
432 break;
433 }
434 if (++properties->nApplyCount>1) {
435 ZEND_PUTS_EX(" *RECURSION*");
436 properties->nApplyCount--;
437 return;
438 }
439 print_hash(write_func, properties, indent, 1 TSRMLS_CC);
440 properties->nApplyCount--;
441 if (is_temp) {
442 zend_hash_destroy(properties);
443 efree(properties);
444 }
445 break;
446 }
447 default:
448 zend_print_zval_ex(write_func, expr, indent);
449 break;
450 }
451 }
452 /* }}} */
453
zend_fopen_wrapper(const char * filename,char ** opened_path TSRMLS_DC)454 static FILE *zend_fopen_wrapper(const char *filename, char **opened_path TSRMLS_DC) /* {{{ */
455 {
456 if (opened_path) {
457 *opened_path = estrdup(filename);
458 }
459 return fopen(filename, "rb");
460 }
461 /* }}} */
462
463 #ifdef ZTS
464 static zend_bool asp_tags_default = 0;
465 static zend_bool short_tags_default = 1;
466 static zend_uint compiler_options_default = ZEND_COMPILE_DEFAULT;
467 #else
468 # define asp_tags_default 0
469 # define short_tags_default 1
470 # define compiler_options_default ZEND_COMPILE_DEFAULT
471 #endif
472
zend_set_default_compile_time_values(TSRMLS_D)473 static void zend_set_default_compile_time_values(TSRMLS_D) /* {{{ */
474 {
475 /* default compile-time values */
476 CG(asp_tags) = asp_tags_default;
477 CG(short_tags) = short_tags_default;
478 CG(compiler_options) = compiler_options_default;
479 }
480 /* }}} */
481
zend_init_exception_op(TSRMLS_D)482 static void zend_init_exception_op(TSRMLS_D) /* {{{ */
483 {
484 memset(EG(exception_op), 0, sizeof(EG(exception_op)));
485 EG(exception_op)[0].opcode = ZEND_HANDLE_EXCEPTION;
486 EG(exception_op)[0].op1_type = IS_UNUSED;
487 EG(exception_op)[0].op2_type = IS_UNUSED;
488 EG(exception_op)[0].result_type = IS_UNUSED;
489 ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op));
490 EG(exception_op)[1].opcode = ZEND_HANDLE_EXCEPTION;
491 EG(exception_op)[1].op1_type = IS_UNUSED;
492 EG(exception_op)[1].op2_type = IS_UNUSED;
493 EG(exception_op)[1].result_type = IS_UNUSED;
494 ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+1);
495 EG(exception_op)[2].opcode = ZEND_HANDLE_EXCEPTION;
496 EG(exception_op)[2].op1_type = IS_UNUSED;
497 EG(exception_op)[2].op2_type = IS_UNUSED;
498 EG(exception_op)[2].result_type = IS_UNUSED;
499 ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+2);
500 }
501 /* }}} */
502
503 #ifdef ZTS
compiler_globals_ctor(zend_compiler_globals * compiler_globals TSRMLS_DC)504 static void compiler_globals_ctor(zend_compiler_globals *compiler_globals TSRMLS_DC) /* {{{ */
505 {
506 zend_function tmp_func;
507 zend_class_entry *tmp_class;
508
509 compiler_globals->compiled_filename = NULL;
510
511 compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
512 zend_hash_init_ex(compiler_globals->function_table, 100, NULL, ZEND_FUNCTION_DTOR, 1, 0);
513 zend_hash_copy(compiler_globals->function_table, global_function_table, NULL, &tmp_func, sizeof(zend_function));
514
515 compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
516 zend_hash_init_ex(compiler_globals->class_table, 10, NULL, ZEND_CLASS_DTOR, 1, 0);
517 zend_hash_copy(compiler_globals->class_table, global_class_table, (copy_ctor_func_t) zend_class_add_ref, &tmp_class, sizeof(zend_class_entry *));
518
519 zend_set_default_compile_time_values(TSRMLS_C);
520
521 CG(interactive) = 0;
522
523 compiler_globals->auto_globals = (HashTable *) malloc(sizeof(HashTable));
524 zend_hash_init_ex(compiler_globals->auto_globals, 8, NULL, NULL, 1, 0);
525 zend_hash_copy(compiler_globals->auto_globals, global_auto_globals_table, NULL, NULL, sizeof(zend_auto_global) /* empty element */);
526
527 compiler_globals->last_static_member = zend_hash_num_elements(compiler_globals->class_table);
528 if (compiler_globals->last_static_member) {
529 compiler_globals->static_members_table = calloc(compiler_globals->last_static_member, sizeof(zval**));
530 } else {
531 compiler_globals->static_members_table = NULL;
532 }
533 compiler_globals->script_encoding_list = NULL;
534 }
535 /* }}} */
536
compiler_globals_dtor(zend_compiler_globals * compiler_globals TSRMLS_DC)537 static void compiler_globals_dtor(zend_compiler_globals *compiler_globals TSRMLS_DC) /* {{{ */
538 {
539 if (compiler_globals->function_table != GLOBAL_FUNCTION_TABLE) {
540 zend_hash_destroy(compiler_globals->function_table);
541 free(compiler_globals->function_table);
542 }
543 if (compiler_globals->class_table != GLOBAL_CLASS_TABLE) {
544 zend_hash_destroy(compiler_globals->class_table);
545 free(compiler_globals->class_table);
546 }
547 if (compiler_globals->auto_globals != GLOBAL_AUTO_GLOBALS_TABLE) {
548 zend_hash_destroy(compiler_globals->auto_globals);
549 free(compiler_globals->auto_globals);
550 }
551 if (compiler_globals->static_members_table) {
552 free(compiler_globals->static_members_table);
553 }
554 if (compiler_globals->script_encoding_list) {
555 pefree(compiler_globals->script_encoding_list, 1);
556 }
557 compiler_globals->last_static_member = 0;
558 }
559 /* }}} */
560
executor_globals_ctor(zend_executor_globals * executor_globals TSRMLS_DC)561 static void executor_globals_ctor(zend_executor_globals *executor_globals TSRMLS_DC) /* {{{ */
562 {
563 zend_startup_constants(TSRMLS_C);
564 zend_copy_constants(EG(zend_constants), GLOBAL_CONSTANTS_TABLE);
565 zend_init_rsrc_plist(TSRMLS_C);
566 zend_init_exception_op(TSRMLS_C);
567 EG(lambda_count) = 0;
568 EG(user_error_handler) = NULL;
569 EG(user_exception_handler) = NULL;
570 EG(in_execution) = 0;
571 EG(in_autoload) = NULL;
572 EG(current_execute_data) = NULL;
573 EG(current_module) = NULL;
574 EG(exit_status) = 0;
575 #if XPFPA_HAVE_CW
576 EG(saved_fpu_cw) = 0;
577 #endif
578 EG(saved_fpu_cw_ptr) = NULL;
579 EG(active) = 0;
580 }
581 /* }}} */
582
executor_globals_dtor(zend_executor_globals * executor_globals TSRMLS_DC)583 static void executor_globals_dtor(zend_executor_globals *executor_globals TSRMLS_DC) /* {{{ */
584 {
585 zend_ini_shutdown(TSRMLS_C);
586 if (&executor_globals->persistent_list != global_persistent_list) {
587 zend_destroy_rsrc_list(&executor_globals->persistent_list TSRMLS_CC);
588 }
589 if (executor_globals->zend_constants != GLOBAL_CONSTANTS_TABLE) {
590 zend_hash_destroy(executor_globals->zend_constants);
591 free(executor_globals->zend_constants);
592 }
593 }
594 /* }}} */
595
zend_new_thread_end_handler(THREAD_T thread_id TSRMLS_DC)596 static void zend_new_thread_end_handler(THREAD_T thread_id TSRMLS_DC) /* {{{ */
597 {
598 if (zend_copy_ini_directives(TSRMLS_C) == SUCCESS) {
599 zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP TSRMLS_CC);
600 }
601 }
602 /* }}} */
603 #endif
604
605 #if defined(__FreeBSD__) || defined(__DragonFly__)
606 /* FreeBSD and DragonFly floating point precision fix */
607 #include <floatingpoint.h>
608 #endif
609
ini_scanner_globals_ctor(zend_ini_scanner_globals * scanner_globals_p TSRMLS_DC)610 static void ini_scanner_globals_ctor(zend_ini_scanner_globals *scanner_globals_p TSRMLS_DC) /* {{{ */
611 {
612 memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
613 }
614 /* }}} */
615
php_scanner_globals_ctor(zend_php_scanner_globals * scanner_globals_p TSRMLS_DC)616 static void php_scanner_globals_ctor(zend_php_scanner_globals *scanner_globals_p TSRMLS_DC) /* {{{ */
617 {
618 memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
619 }
620 /* }}} */
621
622 void zend_init_opcodes_handlers(void);
623
php_auto_globals_create_globals(const char * name,uint name_len TSRMLS_DC)624 static zend_bool php_auto_globals_create_globals(const char *name, uint name_len TSRMLS_DC) /* {{{ */
625 {
626 zval *globals;
627
628 ALLOC_ZVAL(globals);
629 Z_SET_REFCOUNT_P(globals, 1);
630 Z_SET_ISREF_P(globals);
631 Z_TYPE_P(globals) = IS_ARRAY;
632 Z_ARRVAL_P(globals) = &EG(symbol_table);
633 zend_hash_update(&EG(symbol_table), name, name_len + 1, &globals, sizeof(zval *), NULL);
634 return 0;
635 }
636 /* }}} */
637
zend_startup(zend_utility_functions * utility_functions,char ** extensions TSRMLS_DC)638 int zend_startup(zend_utility_functions *utility_functions, char **extensions TSRMLS_DC) /* {{{ */
639 {
640 #ifdef ZTS
641 zend_compiler_globals *compiler_globals;
642 zend_executor_globals *executor_globals;
643 extern ZEND_API ts_rsrc_id ini_scanner_globals_id;
644 extern ZEND_API ts_rsrc_id language_scanner_globals_id;
645 #else
646 extern zend_ini_scanner_globals ini_scanner_globals;
647 extern zend_php_scanner_globals language_scanner_globals;
648 #endif
649
650 start_memory_manager(TSRMLS_C);
651
652 virtual_cwd_startup(); /* Could use shutdown to free the main cwd but it would just slow it down for CGI */
653
654 #if defined(__FreeBSD__) || defined(__DragonFly__)
655 /* FreeBSD and DragonFly floating point precision fix */
656 fpsetmask(0);
657 #endif
658
659 zend_startup_strtod();
660 zend_startup_extensions_mechanism();
661
662 /* Set up utility functions and values */
663 zend_error_cb = utility_functions->error_function;
664 zend_printf = utility_functions->printf_function;
665 zend_write = (zend_write_func_t) utility_functions->write_function;
666 zend_fopen = utility_functions->fopen_function;
667 if (!zend_fopen) {
668 zend_fopen = zend_fopen_wrapper;
669 }
670 zend_stream_open_function = utility_functions->stream_open_function;
671 zend_message_dispatcher_p = utility_functions->message_handler;
672 #ifndef ZEND_SIGNALS
673 zend_block_interruptions = utility_functions->block_interruptions;
674 zend_unblock_interruptions = utility_functions->unblock_interruptions;
675 #endif
676 zend_get_configuration_directive_p = utility_functions->get_configuration_directive;
677 zend_ticks_function = utility_functions->ticks_function;
678 zend_on_timeout = utility_functions->on_timeout;
679 zend_vspprintf = utility_functions->vspprintf_function;
680 zend_getenv = utility_functions->getenv_function;
681 zend_resolve_path = utility_functions->resolve_path_function;
682
683 #if HAVE_DTRACE
684 /* build with dtrace support */
685 zend_compile_file = dtrace_compile_file;
686 zend_execute_ex = dtrace_execute_ex;
687 zend_execute_internal = dtrace_execute_internal;
688 #else
689 zend_compile_file = compile_file;
690 zend_execute_ex = execute_ex;
691 zend_execute_internal = NULL;
692 #endif /* HAVE_SYS_SDT_H */
693 zend_compile_string = compile_string;
694 zend_throw_exception_hook = NULL;
695
696 zend_init_opcodes_handlers();
697
698 /* set up version */
699 zend_version_info = strdup(ZEND_CORE_VERSION_INFO);
700 zend_version_info_length = sizeof(ZEND_CORE_VERSION_INFO) - 1;
701
702 GLOBAL_FUNCTION_TABLE = (HashTable *) malloc(sizeof(HashTable));
703 GLOBAL_CLASS_TABLE = (HashTable *) malloc(sizeof(HashTable));
704 GLOBAL_AUTO_GLOBALS_TABLE = (HashTable *) malloc(sizeof(HashTable));
705 GLOBAL_CONSTANTS_TABLE = (HashTable *) malloc(sizeof(HashTable));
706
707 zend_hash_init_ex(GLOBAL_FUNCTION_TABLE, 100, NULL, ZEND_FUNCTION_DTOR, 1, 0);
708 zend_hash_init_ex(GLOBAL_CLASS_TABLE, 10, NULL, ZEND_CLASS_DTOR, 1, 0);
709 zend_hash_init_ex(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, NULL, 1, 0);
710 zend_hash_init_ex(GLOBAL_CONSTANTS_TABLE, 20, NULL, ZEND_CONSTANT_DTOR, 1, 0);
711
712 zend_hash_init_ex(&module_registry, 50, NULL, ZEND_MODULE_DTOR, 1, 0);
713 zend_init_rsrc_list_dtors();
714
715 /* This zval can be used to initialize allocate zval's to an uninit'ed value */
716 Z_UNSET_ISREF(zval_used_for_init);
717 Z_SET_REFCOUNT(zval_used_for_init, 1);
718 Z_TYPE(zval_used_for_init) = IS_NULL;
719
720 #ifdef ZTS
721 ts_allocate_id(&compiler_globals_id, sizeof(zend_compiler_globals), (ts_allocate_ctor) compiler_globals_ctor, (ts_allocate_dtor) compiler_globals_dtor);
722 ts_allocate_id(&executor_globals_id, sizeof(zend_executor_globals), (ts_allocate_ctor) executor_globals_ctor, (ts_allocate_dtor) executor_globals_dtor);
723 ts_allocate_id(&language_scanner_globals_id, sizeof(zend_php_scanner_globals), (ts_allocate_ctor) php_scanner_globals_ctor, NULL);
724 ts_allocate_id(&ini_scanner_globals_id, sizeof(zend_ini_scanner_globals), (ts_allocate_ctor) ini_scanner_globals_ctor, NULL);
725 compiler_globals = ts_resource(compiler_globals_id);
726 executor_globals = ts_resource(executor_globals_id);
727
728 compiler_globals_dtor(compiler_globals TSRMLS_CC);
729 compiler_globals->in_compilation = 0;
730 compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
731 compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
732
733 *compiler_globals->function_table = *GLOBAL_FUNCTION_TABLE;
734 *compiler_globals->class_table = *GLOBAL_CLASS_TABLE;
735 compiler_globals->auto_globals = GLOBAL_AUTO_GLOBALS_TABLE;
736
737 zend_hash_destroy(executor_globals->zend_constants);
738 *executor_globals->zend_constants = *GLOBAL_CONSTANTS_TABLE;
739 #else
740 ini_scanner_globals_ctor(&ini_scanner_globals TSRMLS_CC);
741 php_scanner_globals_ctor(&language_scanner_globals TSRMLS_CC);
742 zend_set_default_compile_time_values(TSRMLS_C);
743 EG(user_error_handler) = NULL;
744 EG(user_exception_handler) = NULL;
745 #endif
746
747 zend_interned_strings_init(TSRMLS_C);
748 zend_startup_builtin_functions(TSRMLS_C);
749 zend_register_standard_constants(TSRMLS_C);
750 zend_register_auto_global("GLOBALS", sizeof("GLOBALS") - 1, 1, php_auto_globals_create_globals TSRMLS_CC);
751
752 #ifndef ZTS
753 zend_init_rsrc_plist(TSRMLS_C);
754 zend_init_exception_op(TSRMLS_C);
755 #endif
756
757 zend_ini_startup(TSRMLS_C);
758
759 #ifdef ZTS
760 tsrm_set_new_thread_end_handler(zend_new_thread_end_handler);
761 #endif
762
763 return SUCCESS;
764 }
765 /* }}} */
766
zend_register_standard_ini_entries(TSRMLS_D)767 void zend_register_standard_ini_entries(TSRMLS_D) /* {{{ */
768 {
769 int module_number = 0;
770
771 REGISTER_INI_ENTRIES();
772 }
773 /* }}} */
774
775 /* Unlink the global (r/o) copies of the class, function and constant tables,
776 * and use a fresh r/w copy for the startup thread
777 */
zend_post_startup(TSRMLS_D)778 void zend_post_startup(TSRMLS_D) /* {{{ */
779 {
780 #ifdef ZTS
781 zend_encoding **script_encoding_list;
782
783 zend_compiler_globals *compiler_globals = ts_resource(compiler_globals_id);
784 zend_executor_globals *executor_globals = ts_resource(executor_globals_id);
785
786 *GLOBAL_FUNCTION_TABLE = *compiler_globals->function_table;
787 *GLOBAL_CLASS_TABLE = *compiler_globals->class_table;
788 *GLOBAL_CONSTANTS_TABLE = *executor_globals->zend_constants;
789
790 asp_tags_default = CG(asp_tags);
791 short_tags_default = CG(short_tags);
792 compiler_options_default = CG(compiler_options);
793
794 zend_destroy_rsrc_list(&EG(persistent_list) TSRMLS_CC);
795 free(compiler_globals->function_table);
796 free(compiler_globals->class_table);
797 if ((script_encoding_list = (zend_encoding **)compiler_globals->script_encoding_list)) {
798 compiler_globals_ctor(compiler_globals, tsrm_ls);
799 compiler_globals->script_encoding_list = (const zend_encoding **)script_encoding_list;
800 } else {
801 compiler_globals_ctor(compiler_globals, tsrm_ls);
802 }
803 free(EG(zend_constants));
804
805 virtual_cwd_deactivate(TSRMLS_C);
806
807 executor_globals_ctor(executor_globals, tsrm_ls);
808 global_persistent_list = &EG(persistent_list);
809 zend_copy_ini_directives(TSRMLS_C);
810 #else
811 virtual_cwd_deactivate(TSRMLS_C);
812 #endif
813 }
814 /* }}} */
815
zend_shutdown(TSRMLS_D)816 void zend_shutdown(TSRMLS_D) /* {{{ */
817 {
818 #ifdef ZEND_SIGNALS
819 zend_signal_shutdown(TSRMLS_C);
820 #endif
821 zend_destroy_rsrc_list(&EG(persistent_list) TSRMLS_CC);
822
823 if (EG(active))
824 {
825 /*
826 * The order of destruction is important here.
827 * See bugs #65463 and 66036.
828 */
829 zend_hash_reverse_apply(GLOBAL_FUNCTION_TABLE, (apply_func_t) zend_cleanup_function_data_full TSRMLS_CC);
830 zend_hash_reverse_apply(GLOBAL_CLASS_TABLE, (apply_func_t) zend_cleanup_user_class_data TSRMLS_CC);
831 zend_cleanup_internal_classes(TSRMLS_C);
832 zend_hash_reverse_apply(GLOBAL_FUNCTION_TABLE, (apply_func_t) clean_non_persistent_function_full TSRMLS_CC);
833 zend_hash_reverse_apply(GLOBAL_CLASS_TABLE, (apply_func_t) clean_non_persistent_class_full TSRMLS_CC);
834 }
835
836 zend_destroy_modules();
837
838 virtual_cwd_deactivate(TSRMLS_C);
839 virtual_cwd_shutdown();
840
841 zend_hash_destroy(GLOBAL_FUNCTION_TABLE);
842 zend_hash_destroy(GLOBAL_CLASS_TABLE);
843
844 zend_hash_destroy(GLOBAL_AUTO_GLOBALS_TABLE);
845 free(GLOBAL_AUTO_GLOBALS_TABLE);
846
847 zend_shutdown_extensions(TSRMLS_C);
848 free(zend_version_info);
849
850 free(GLOBAL_FUNCTION_TABLE);
851 free(GLOBAL_CLASS_TABLE);
852
853 zend_hash_destroy(GLOBAL_CONSTANTS_TABLE);
854 free(GLOBAL_CONSTANTS_TABLE);
855 zend_shutdown_strtod();
856
857 #ifdef ZTS
858 GLOBAL_FUNCTION_TABLE = NULL;
859 GLOBAL_CLASS_TABLE = NULL;
860 GLOBAL_AUTO_GLOBALS_TABLE = NULL;
861 GLOBAL_CONSTANTS_TABLE = NULL;
862 #endif
863 zend_destroy_rsrc_list_dtors();
864
865 zend_interned_strings_dtor(TSRMLS_C);
866 }
867 /* }}} */
868
zend_set_utility_values(zend_utility_values * utility_values)869 void zend_set_utility_values(zend_utility_values *utility_values) /* {{{ */
870 {
871 zend_uv = *utility_values;
872 zend_uv.import_use_extension_length = strlen(zend_uv.import_use_extension);
873 }
874 /* }}} */
875
876 /* this should be compatible with the standard zenderror */
zenderror(const char * error)877 void zenderror(const char *error) /* {{{ */
878 {
879 zend_error(E_PARSE, "%s", error);
880 }
881 /* }}} */
882
BEGIN_EXTERN_C()883 BEGIN_EXTERN_C()
884 ZEND_API void _zend_bailout(char *filename, uint lineno) /* {{{ */
885 {
886 TSRMLS_FETCH();
887
888 if (!EG(bailout)) {
889 zend_output_debug_string(1, "%s(%d) : Bailed out without a bailout address!", filename, lineno);
890 exit(-1);
891 }
892 CG(unclean_shutdown) = 1;
893 CG(active_class_entry) = NULL;
894 CG(in_compilation) = EG(in_execution) = 0;
895 EG(current_execute_data) = NULL;
896 LONGJMP(*EG(bailout), FAILURE);
897 }
898 /* }}} */
END_EXTERN_C()899 END_EXTERN_C()
900
901 ZEND_API void zend_append_version_info(const zend_extension *extension) /* {{{ */
902 {
903 char *new_info;
904 uint new_info_length;
905
906 new_info_length = sizeof(" with v, , by \n")
907 + strlen(extension->name)
908 + strlen(extension->version)
909 + strlen(extension->copyright)
910 + strlen(extension->author);
911
912 new_info = (char *) malloc(new_info_length + 1);
913
914 snprintf(new_info, new_info_length, " with %s v%s, %s, by %s\n", extension->name, extension->version, extension->copyright, extension->author);
915
916 zend_version_info = (char *) realloc(zend_version_info, zend_version_info_length+new_info_length + 1);
917 strncat(zend_version_info, new_info, new_info_length);
918 zend_version_info_length += new_info_length;
919 free(new_info);
920 }
921 /* }}} */
922
get_zend_version(void)923 ZEND_API char *get_zend_version(void) /* {{{ */
924 {
925 return zend_version_info;
926 }
927 /* }}} */
928
zend_activate(TSRMLS_D)929 ZEND_API void zend_activate(TSRMLS_D) /* {{{ */
930 {
931 #ifdef ZTS
932 virtual_cwd_activate(TSRMLS_C);
933 #endif
934 gc_reset(TSRMLS_C);
935 init_compiler(TSRMLS_C);
936 init_executor(TSRMLS_C);
937 startup_scanner(TSRMLS_C);
938 }
939 /* }}} */
940
zend_call_destructors(TSRMLS_D)941 void zend_call_destructors(TSRMLS_D) /* {{{ */
942 {
943 zend_try {
944 shutdown_destructors(TSRMLS_C);
945 } zend_end_try();
946 }
947 /* }}} */
948
zend_deactivate(TSRMLS_D)949 ZEND_API void zend_deactivate(TSRMLS_D) /* {{{ */
950 {
951 /* we're no longer executing anything */
952 EG(opline_ptr) = NULL;
953 EG(active_symbol_table) = NULL;
954
955 zend_try {
956 shutdown_scanner(TSRMLS_C);
957 } zend_end_try();
958
959 /* shutdown_executor() takes care of its own bailout handling */
960 shutdown_executor(TSRMLS_C);
961
962 zend_try {
963 shutdown_compiler(TSRMLS_C);
964 } zend_end_try();
965
966 zend_destroy_rsrc_list(&EG(regular_list) TSRMLS_CC);
967
968 #if ZEND_DEBUG
969 if (GC_G(gc_enabled) && !CG(unclean_shutdown)) {
970 gc_collect_cycles(TSRMLS_C);
971 }
972 #endif
973
974 #if GC_BENCH
975 fprintf(stderr, "GC Statistics\n");
976 fprintf(stderr, "-------------\n");
977 fprintf(stderr, "Runs: %d\n", GC_G(gc_runs));
978 fprintf(stderr, "Collected: %d\n", GC_G(collected));
979 fprintf(stderr, "Root buffer length: %d\n", GC_G(root_buf_length));
980 fprintf(stderr, "Root buffer peak: %d\n\n", GC_G(root_buf_peak));
981 fprintf(stderr, " Possible Remove from Marked\n");
982 fprintf(stderr, " Root Buffered buffer grey\n");
983 fprintf(stderr, " -------- -------- ----------- ------\n");
984 fprintf(stderr, "ZVAL %8d %8d %9d %8d\n", GC_G(zval_possible_root), GC_G(zval_buffered), GC_G(zval_remove_from_buffer), GC_G(zval_marked_grey));
985 fprintf(stderr, "ZOBJ %8d %8d %9d %8d\n", GC_G(zobj_possible_root), GC_G(zobj_buffered), GC_G(zobj_remove_from_buffer), GC_G(zobj_marked_grey));
986 #endif
987
988 zend_try {
989 zend_ini_deactivate(TSRMLS_C);
990 } zend_end_try();
991 }
992 /* }}} */
993
BEGIN_EXTERN_C()994 BEGIN_EXTERN_C()
995 ZEND_API void zend_message_dispatcher(long message, const void *data TSRMLS_DC) /* {{{ */
996 {
997 if (zend_message_dispatcher_p) {
998 zend_message_dispatcher_p(message, data TSRMLS_CC);
999 }
1000 }
1001 /* }}} */
END_EXTERN_C()1002 END_EXTERN_C()
1003
1004 ZEND_API int zend_get_configuration_directive(const char *name, uint name_length, zval *contents) /* {{{ */
1005 {
1006 if (zend_get_configuration_directive_p) {
1007 return zend_get_configuration_directive_p(name, name_length, contents);
1008 } else {
1009 return FAILURE;
1010 }
1011 }
1012 /* }}} */
1013
1014 #define SAVE_STACK(stack) do { \
1015 if (CG(stack).top) { \
1016 memcpy(&stack, &CG(stack), sizeof(zend_stack)); \
1017 CG(stack).top = CG(stack).max = 0; \
1018 CG(stack).elements = NULL; \
1019 } else { \
1020 stack.top = 0; \
1021 } \
1022 } while (0)
1023
1024 #define RESTORE_STACK(stack) do { \
1025 if (stack.top) { \
1026 zend_stack_destroy(&CG(stack)); \
1027 memcpy(&CG(stack), &stack, sizeof(zend_stack)); \
1028 } \
1029 } while (0)
1030
zend_error(int type,const char * format,...)1031 ZEND_API void zend_error(int type, const char *format, ...) /* {{{ */
1032 {
1033 va_list args;
1034 va_list usr_copy;
1035 zval ***params;
1036 zval *retval;
1037 zval *z_error_type, *z_error_message, *z_error_filename, *z_error_lineno, *z_context;
1038 const char *error_filename;
1039 uint error_lineno;
1040 zval *orig_user_error_handler;
1041 zend_bool in_compilation;
1042 zend_class_entry *saved_class_entry;
1043 zend_stack bp_stack;
1044 zend_stack function_call_stack;
1045 zend_stack switch_cond_stack;
1046 zend_stack foreach_copy_stack;
1047 zend_stack object_stack;
1048 zend_stack declare_stack;
1049 zend_stack list_stack;
1050 zend_stack context_stack;
1051 TSRMLS_FETCH();
1052
1053 /* Report about uncaught exception in case of fatal errors */
1054 if (EG(exception)) {
1055 switch (type) {
1056 case E_CORE_ERROR:
1057 case E_ERROR:
1058 case E_RECOVERABLE_ERROR:
1059 case E_PARSE:
1060 case E_COMPILE_ERROR:
1061 case E_USER_ERROR:
1062 if (zend_is_executing(TSRMLS_C)) {
1063 error_lineno = zend_get_executed_lineno(TSRMLS_C);
1064 }
1065 zend_exception_error(EG(exception), E_WARNING TSRMLS_CC);
1066 EG(exception) = NULL;
1067 if (zend_is_executing(TSRMLS_C) && EG(opline_ptr)) {
1068 active_opline->lineno = error_lineno;
1069 }
1070 break;
1071 default:
1072 break;
1073 }
1074 }
1075
1076 /* Obtain relevant filename and lineno */
1077 switch (type) {
1078 case E_CORE_ERROR:
1079 case E_CORE_WARNING:
1080 error_filename = NULL;
1081 error_lineno = 0;
1082 break;
1083 case E_PARSE:
1084 case E_COMPILE_ERROR:
1085 case E_COMPILE_WARNING:
1086 case E_ERROR:
1087 case E_NOTICE:
1088 case E_STRICT:
1089 case E_DEPRECATED:
1090 case E_WARNING:
1091 case E_USER_ERROR:
1092 case E_USER_WARNING:
1093 case E_USER_NOTICE:
1094 case E_USER_DEPRECATED:
1095 case E_RECOVERABLE_ERROR:
1096 if (zend_is_compiling(TSRMLS_C)) {
1097 error_filename = zend_get_compiled_filename(TSRMLS_C);
1098 error_lineno = zend_get_compiled_lineno(TSRMLS_C);
1099 } else if (zend_is_executing(TSRMLS_C)) {
1100 error_filename = zend_get_executed_filename(TSRMLS_C);
1101 error_lineno = zend_get_executed_lineno(TSRMLS_C);
1102 } else {
1103 error_filename = NULL;
1104 error_lineno = 0;
1105 }
1106 break;
1107 default:
1108 error_filename = NULL;
1109 error_lineno = 0;
1110 break;
1111 }
1112 if (!error_filename) {
1113 error_filename = "Unknown";
1114 }
1115
1116 #ifdef HAVE_DTRACE
1117 if(DTRACE_ERROR_ENABLED()) {
1118 char *dtrace_error_buffer;
1119 va_start(args, format);
1120 zend_vspprintf(&dtrace_error_buffer, 0, format, args);
1121 DTRACE_ERROR(dtrace_error_buffer, (char *)error_filename, error_lineno);
1122 efree(dtrace_error_buffer);
1123 va_end(args);
1124 }
1125 #endif /* HAVE_DTRACE */
1126
1127 va_start(args, format);
1128
1129 /* if we don't have a user defined error handler */
1130 if (!EG(user_error_handler)
1131 || !(EG(user_error_handler_error_reporting) & type)
1132 || EG(error_handling) != EH_NORMAL) {
1133 zend_error_cb(type, error_filename, error_lineno, format, args);
1134 } else switch (type) {
1135 case E_ERROR:
1136 case E_PARSE:
1137 case E_CORE_ERROR:
1138 case E_CORE_WARNING:
1139 case E_COMPILE_ERROR:
1140 case E_COMPILE_WARNING:
1141 /* The error may not be safe to handle in user-space */
1142 zend_error_cb(type, error_filename, error_lineno, format, args);
1143 break;
1144 default:
1145 /* Handle the error in user space */
1146 ALLOC_INIT_ZVAL(z_error_message);
1147 ALLOC_INIT_ZVAL(z_error_type);
1148 ALLOC_INIT_ZVAL(z_error_filename);
1149 ALLOC_INIT_ZVAL(z_error_lineno);
1150 ALLOC_INIT_ZVAL(z_context);
1151
1152 /* va_copy() is __va_copy() in old gcc versions.
1153 * According to the autoconf manual, using
1154 * memcpy(&dst, &src, sizeof(va_list))
1155 * gives maximum portability. */
1156 #ifndef va_copy
1157 # ifdef __va_copy
1158 # define va_copy(dest, src) __va_copy((dest), (src))
1159 # else
1160 # define va_copy(dest, src) memcpy(&(dest), &(src), sizeof(va_list))
1161 # endif
1162 #endif
1163 va_copy(usr_copy, args);
1164 Z_STRLEN_P(z_error_message) = zend_vspprintf(&Z_STRVAL_P(z_error_message), 0, format, usr_copy);
1165 #ifdef va_copy
1166 va_end(usr_copy);
1167 #endif
1168 Z_TYPE_P(z_error_message) = IS_STRING;
1169
1170 Z_LVAL_P(z_error_type) = type;
1171 Z_TYPE_P(z_error_type) = IS_LONG;
1172
1173 if (error_filename) {
1174 ZVAL_STRING(z_error_filename, error_filename, 1);
1175 }
1176
1177 Z_LVAL_P(z_error_lineno) = error_lineno;
1178 Z_TYPE_P(z_error_lineno) = IS_LONG;
1179
1180 if (!EG(active_symbol_table)) {
1181 zend_rebuild_symbol_table(TSRMLS_C);
1182 }
1183
1184 /* during shutdown the symbol table table can be still null */
1185 if (!EG(active_symbol_table)) {
1186 Z_TYPE_P(z_context) = IS_NULL;
1187 } else {
1188 Z_ARRVAL_P(z_context) = EG(active_symbol_table);
1189 Z_TYPE_P(z_context) = IS_ARRAY;
1190 zval_copy_ctor(z_context);
1191 }
1192
1193 params = (zval ***) emalloc(sizeof(zval **)*5);
1194 params[0] = &z_error_type;
1195 params[1] = &z_error_message;
1196 params[2] = &z_error_filename;
1197 params[3] = &z_error_lineno;
1198 params[4] = &z_context;
1199
1200 orig_user_error_handler = EG(user_error_handler);
1201 EG(user_error_handler) = NULL;
1202
1203 /* User error handler may include() additinal PHP files.
1204 * If an error was generated during comilation PHP will compile
1205 * such scripts recursivly, but some CG() variables may be
1206 * inconsistent. */
1207
1208 in_compilation = CG(in_compilation);
1209 if (in_compilation) {
1210 saved_class_entry = CG(active_class_entry);
1211 CG(active_class_entry) = NULL;
1212 SAVE_STACK(bp_stack);
1213 SAVE_STACK(function_call_stack);
1214 SAVE_STACK(switch_cond_stack);
1215 SAVE_STACK(foreach_copy_stack);
1216 SAVE_STACK(object_stack);
1217 SAVE_STACK(declare_stack);
1218 SAVE_STACK(list_stack);
1219 SAVE_STACK(context_stack);
1220 CG(in_compilation) = 0;
1221 }
1222
1223 if (call_user_function_ex(CG(function_table), NULL, orig_user_error_handler, &retval, 5, params, 1, NULL TSRMLS_CC) == SUCCESS) {
1224 if (retval) {
1225 if (Z_TYPE_P(retval) == IS_BOOL && Z_LVAL_P(retval) == 0) {
1226 zend_error_cb(type, error_filename, error_lineno, format, args);
1227 }
1228 zval_ptr_dtor(&retval);
1229 }
1230 } else if (!EG(exception)) {
1231 /* The user error handler failed, use built-in error handler */
1232 zend_error_cb(type, error_filename, error_lineno, format, args);
1233 }
1234
1235 if (in_compilation) {
1236 CG(active_class_entry) = saved_class_entry;
1237 RESTORE_STACK(bp_stack);
1238 RESTORE_STACK(function_call_stack);
1239 RESTORE_STACK(switch_cond_stack);
1240 RESTORE_STACK(foreach_copy_stack);
1241 RESTORE_STACK(object_stack);
1242 RESTORE_STACK(declare_stack);
1243 RESTORE_STACK(list_stack);
1244 RESTORE_STACK(context_stack);
1245 CG(in_compilation) = 1;
1246 }
1247
1248 if (!EG(user_error_handler)) {
1249 EG(user_error_handler) = orig_user_error_handler;
1250 }
1251 else {
1252 zval_ptr_dtor(&orig_user_error_handler);
1253 }
1254
1255 efree(params);
1256 zval_ptr_dtor(&z_error_message);
1257 zval_ptr_dtor(&z_error_type);
1258 zval_ptr_dtor(&z_error_filename);
1259 zval_ptr_dtor(&z_error_lineno);
1260 zval_ptr_dtor(&z_context);
1261 break;
1262 }
1263
1264 va_end(args);
1265
1266 if (type == E_PARSE) {
1267 /* eval() errors do not affect exit_status */
1268 if (!(EG(current_execute_data) &&
1269 EG(current_execute_data)->opline &&
1270 EG(current_execute_data)->opline->opcode == ZEND_INCLUDE_OR_EVAL &&
1271 EG(current_execute_data)->opline->extended_value == ZEND_EVAL)) {
1272 EG(exit_status) = 255;
1273 }
1274 zend_init_compiler_data_structures(TSRMLS_C);
1275 }
1276 }
1277 /* }}} */
1278
1279 #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__)
1280 void zend_error_noreturn(int type, const char *format, ...) __attribute__ ((alias("zend_error"),noreturn));
1281 #endif
1282
zend_output_debug_string(zend_bool trigger_break,const char * format,...)1283 ZEND_API void zend_output_debug_string(zend_bool trigger_break, const char *format, ...) /* {{{ */
1284 {
1285 #if ZEND_DEBUG
1286 va_list args;
1287
1288 va_start(args, format);
1289 # ifdef ZEND_WIN32
1290 {
1291 char output_buf[1024];
1292
1293 vsnprintf(output_buf, 1024, format, args);
1294 OutputDebugString(output_buf);
1295 OutputDebugString("\n");
1296 if (trigger_break && IsDebuggerPresent()) {
1297 DebugBreak();
1298 }
1299 }
1300 # else
1301 vfprintf(stderr, format, args);
1302 fprintf(stderr, "\n");
1303 # endif
1304 va_end(args);
1305 #endif
1306 }
1307 /* }}} */
1308
zend_execute_scripts(int type TSRMLS_DC,zval ** retval,int file_count,...)1309 ZEND_API int zend_execute_scripts(int type TSRMLS_DC, zval **retval, int file_count, ...) /* {{{ */
1310 {
1311 va_list files;
1312 int i;
1313 zend_file_handle *file_handle;
1314 zend_op_array *orig_op_array = EG(active_op_array);
1315 zval **orig_retval_ptr_ptr = EG(return_value_ptr_ptr);
1316 long orig_interactive = CG(interactive);
1317
1318 va_start(files, file_count);
1319 for (i = 0; i < file_count; i++) {
1320 file_handle = va_arg(files, zend_file_handle *);
1321 if (!file_handle) {
1322 continue;
1323 }
1324
1325 if (orig_interactive) {
1326 if (file_handle->filename[0] != '-' || file_handle->filename[1]) {
1327 CG(interactive) = 0;
1328 } else {
1329 CG(interactive) = 1;
1330 }
1331 }
1332
1333 EG(active_op_array) = zend_compile_file(file_handle, type TSRMLS_CC);
1334 if (file_handle->opened_path) {
1335 int dummy = 1;
1336 zend_hash_add(&EG(included_files), file_handle->opened_path, strlen(file_handle->opened_path) + 1, (void *)&dummy, sizeof(int), NULL);
1337 }
1338 zend_destroy_file_handle(file_handle TSRMLS_CC);
1339 if (EG(active_op_array)) {
1340 EG(return_value_ptr_ptr) = retval ? retval : NULL;
1341 zend_execute(EG(active_op_array) TSRMLS_CC);
1342 zend_exception_restore(TSRMLS_C);
1343 if (EG(exception)) {
1344 if (EG(user_exception_handler)) {
1345 zval *orig_user_exception_handler;
1346 zval **params[1], *retval2, *old_exception;
1347 old_exception = EG(exception);
1348 EG(exception) = NULL;
1349 params[0] = &old_exception;
1350 orig_user_exception_handler = EG(user_exception_handler);
1351 if (call_user_function_ex(CG(function_table), NULL, orig_user_exception_handler, &retval2, 1, params, 1, NULL TSRMLS_CC) == SUCCESS) {
1352 if (retval2 != NULL) {
1353 zval_ptr_dtor(&retval2);
1354 }
1355 if (EG(exception)) {
1356 zval_ptr_dtor(&EG(exception));
1357 EG(exception) = NULL;
1358 }
1359 zval_ptr_dtor(&old_exception);
1360 } else {
1361 EG(exception) = old_exception;
1362 zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
1363 }
1364 } else {
1365 zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
1366 }
1367 }
1368 destroy_op_array(EG(active_op_array) TSRMLS_CC);
1369 efree(EG(active_op_array));
1370 } else if (type==ZEND_REQUIRE) {
1371 va_end(files);
1372 EG(active_op_array) = orig_op_array;
1373 EG(return_value_ptr_ptr) = orig_retval_ptr_ptr;
1374 CG(interactive) = orig_interactive;
1375 return FAILURE;
1376 }
1377 }
1378 va_end(files);
1379 EG(active_op_array) = orig_op_array;
1380 EG(return_value_ptr_ptr) = orig_retval_ptr_ptr;
1381 CG(interactive) = orig_interactive;
1382
1383 return SUCCESS;
1384 }
1385 /* }}} */
1386
1387 #define COMPILED_STRING_DESCRIPTION_FORMAT "%s(%d) : %s"
1388
zend_make_compiled_string_description(const char * name TSRMLS_DC)1389 ZEND_API char *zend_make_compiled_string_description(const char *name TSRMLS_DC) /* {{{ */
1390 {
1391 const char *cur_filename;
1392 int cur_lineno;
1393 char *compiled_string_description;
1394
1395 if (zend_is_compiling(TSRMLS_C)) {
1396 cur_filename = zend_get_compiled_filename(TSRMLS_C);
1397 cur_lineno = zend_get_compiled_lineno(TSRMLS_C);
1398 } else if (zend_is_executing(TSRMLS_C)) {
1399 cur_filename = zend_get_executed_filename(TSRMLS_C);
1400 cur_lineno = zend_get_executed_lineno(TSRMLS_C);
1401 } else {
1402 cur_filename = "Unknown";
1403 cur_lineno = 0;
1404 }
1405
1406 zend_spprintf(&compiled_string_description, 0, COMPILED_STRING_DESCRIPTION_FORMAT, cur_filename, cur_lineno, name);
1407 return compiled_string_description;
1408 }
1409 /* }}} */
1410
free_estring(char ** str_p)1411 void free_estring(char **str_p) /* {{{ */
1412 {
1413 efree(*str_p);
1414 }
1415 /* }}} */
1416
1417 /*
1418 * Local variables:
1419 * tab-width: 4
1420 * c-basic-offset: 4
1421 * indent-tabs-mode: t
1422 * End:
1423 */
1424
