xref: /php-src/ext/spl/spl_directory.c (revision aa34e0ac)
1 /*
2    +----------------------------------------------------------------------+
3    | Copyright (c) The PHP Group                                          |
4    +----------------------------------------------------------------------+
5    | This source file is subject to version 3.01 of the PHP license,      |
6    | that is bundled with this package in the file LICENSE, and is        |
7    | available through the world-wide-web at the following url:           |
8    | https://www.php.net/license/3_01.txt                                 |
9    | If you did not receive a copy of the PHP license and are unable to   |
10    | obtain it through the world-wide-web, please send a note to          |
11    | license@php.net so we can mail you a copy immediately.               |
12    +----------------------------------------------------------------------+
13    | Author: Marcus Boerger <helly@php.net>                               |
14    +----------------------------------------------------------------------+
15  */
16 
17 #ifdef HAVE_CONFIG_H
18 # include "config.h"
19 #endif
20 
21 #include "php.h"
22 #include "php_ini.h"
23 #include "ext/standard/file.h"
24 #include "ext/standard/php_filestat.h"
25 #include "ext/standard/flock_compat.h"
26 #include "ext/standard/scanf.h"
27 #include "ext/standard/php_string.h"
28 #include "zend_exceptions.h"
29 #include "zend_interfaces.h"
30 
31 #include "php_spl.h"
32 #include "spl_functions.h"
33 #include "spl_engine.h"
34 #include "spl_iterators.h"
35 #include "spl_directory.h"
36 #include "spl_directory_arginfo.h"
37 #include "spl_exceptions.h"
38 
39 #define SPL_HAS_FLAG(flags, test_flag) ((flags & test_flag) ? 1 : 0)
40 
41 /* declare the class handlers */
42 static zend_object_handlers spl_filesystem_object_handlers;
43 /* includes handler to validate object state when retrieving methods */
44 static zend_object_handlers spl_filesystem_object_check_handlers;
45 
46 /* decalre the class entry */
47 PHPAPI zend_class_entry *spl_ce_SplFileInfo;
48 PHPAPI zend_class_entry *spl_ce_DirectoryIterator;
49 PHPAPI zend_class_entry *spl_ce_FilesystemIterator;
50 PHPAPI zend_class_entry *spl_ce_RecursiveDirectoryIterator;
51 PHPAPI zend_class_entry *spl_ce_GlobIterator;
52 PHPAPI zend_class_entry *spl_ce_SplFileObject;
53 PHPAPI zend_class_entry *spl_ce_SplTempFileObject;
54 
55 /* Object helper */
spl_filesystem_from_obj(zend_object * obj)56 static inline spl_filesystem_object *spl_filesystem_from_obj(zend_object *obj) /* {{{ */ {
57 	return (spl_filesystem_object*)((char*)(obj) - XtOffsetOf(spl_filesystem_object, std));
58 }
59 /* }}} */
60 
61 /* define an overloaded iterator structure */
62 typedef struct {
63 	zend_object_iterator  intern;
64 	zval                  current;
65 	void                 *object;
66 } spl_filesystem_iterator;
67 
spl_filesystem_object_to_iterator(spl_filesystem_object * obj)68 static inline spl_filesystem_iterator* spl_filesystem_object_to_iterator(spl_filesystem_object *obj)
69 {
70 	spl_filesystem_iterator    *it;
71 
72 	it = ecalloc(1, sizeof(spl_filesystem_iterator));
73 	it->object = (void *)obj;
74 	zend_iterator_init(&it->intern);
75 	return it;
76 }
77 
spl_filesystem_iterator_to_object(spl_filesystem_iterator * it)78 static inline spl_filesystem_object* spl_filesystem_iterator_to_object(spl_filesystem_iterator *it)
79 {
80 	return (spl_filesystem_object*)it->object;
81 }
82 
83 #define CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(spl_filesystem_object_pointer) \
84 	if (!(spl_filesystem_object_pointer)->u.file.stream) { \
85 		zend_throw_error(NULL, "Object not initialized"); \
86 		RETURN_THROWS(); \
87 	}
88 
89 #define CHECK_DIRECTORY_ITERATOR_IS_INITIALIZED(intern) \
90 	if (!(intern)->u.dir.dirp) { \
91 		zend_throw_error(NULL, "Object not initialized"); \
92 		RETURN_THROWS(); \
93 	}
94 
spl_filesystem_file_free_line(spl_filesystem_object * intern)95 static void spl_filesystem_file_free_line(spl_filesystem_object *intern) /* {{{ */
96 {
97 	if (intern->u.file.current_line) {
98 		efree(intern->u.file.current_line);
99 		intern->u.file.current_line = NULL;
100 	}
101 	if (!Z_ISUNDEF(intern->u.file.current_zval)) {
102 		zval_ptr_dtor(&intern->u.file.current_zval);
103 		ZVAL_UNDEF(&intern->u.file.current_zval);
104 	}
105 } /* }}} */
106 
spl_filesystem_object_destroy_object(zend_object * object)107 static void spl_filesystem_object_destroy_object(zend_object *object) /* {{{ */
108 {
109 	spl_filesystem_object *intern = spl_filesystem_from_obj(object);
110 
111 	zend_objects_destroy_object(object);
112 
113 	switch(intern->type) {
114 	case SPL_FS_DIR:
115 		if (intern->u.dir.dirp) {
116 			php_stream_close(intern->u.dir.dirp);
117 			intern->u.dir.dirp = NULL;
118 		}
119 		break;
120 	case SPL_FS_FILE:
121 		if (intern->u.file.stream) {
122 			/*
123 			if (intern->u.file.zcontext) {
124 			   zend_list_delref(Z_RESVAL_P(intern->zcontext));
125 			}
126 			*/
127 			if (!intern->u.file.stream->is_persistent) {
128 				php_stream_close(intern->u.file.stream);
129 			} else {
130 				php_stream_pclose(intern->u.file.stream);
131 			}
132 			intern->u.file.stream = NULL;
133 			ZVAL_UNDEF(&intern->u.file.zresource);
134 		}
135 		break;
136 	default:
137 		break;
138 	}
139 } /* }}} */
140 
spl_filesystem_object_free_storage(zend_object * object)141 static void spl_filesystem_object_free_storage(zend_object *object) /* {{{ */
142 {
143 	spl_filesystem_object *intern = spl_filesystem_from_obj(object);
144 
145 	if (intern->oth_handler && intern->oth_handler->dtor) {
146 		intern->oth_handler->dtor(intern);
147 	}
148 
149 	zend_object_std_dtor(&intern->std);
150 
151 	if (intern->path) {
152 		zend_string_release(intern->path);
153 	}
154 	if (intern->file_name) {
155 		zend_string_release(intern->file_name);
156 	}
157 	switch(intern->type) {
158 	case SPL_FS_INFO:
159 		break;
160 	case SPL_FS_DIR:
161 		if (intern->u.dir.sub_path) {
162 			zend_string_release(intern->u.dir.sub_path);
163 		}
164 		break;
165 	case SPL_FS_FILE:
166 		if (intern->u.file.open_mode) {
167 			zend_string_release(intern->u.file.open_mode);
168 		}
169 		if (intern->orig_path) {
170 			zend_string_release(intern->orig_path);
171 		}
172 		spl_filesystem_file_free_line(intern);
173 		break;
174 	}
175 } /* }}} */
176 
177 /* {{{ spl_ce_dir_object_new */
178 /* creates the object by
179    - allocating memory
180    - initializing the object members
181    - storing the object
182    - setting it's handlers
183 
184    called from
185    - clone
186    - new
187  */
spl_filesystem_object_new_ex(zend_class_entry * class_type)188 static zend_object *spl_filesystem_object_new_ex(zend_class_entry *class_type)
189 {
190 	spl_filesystem_object *intern;
191 
192 	intern = emalloc(sizeof(spl_filesystem_object) + zend_object_properties_size(class_type));
193 	memset(intern, 0,
194 		MAX(XtOffsetOf(spl_filesystem_object, u.dir.entry),
195 			XtOffsetOf(spl_filesystem_object, u.file.escape) + sizeof(int)));
196 	/* intern->type = SPL_FS_INFO; done by set 0 */
197 	intern->file_class = spl_ce_SplFileObject;
198 	intern->info_class = spl_ce_SplFileInfo;
199 
200 	zend_object_std_init(&intern->std, class_type);
201 	object_properties_init(&intern->std, class_type);
202 
203 	return &intern->std;
204 }
205 /* }}} */
206 
207 /* {{{ spl_filesystem_object_new */
208 /* See spl_filesystem_object_new_ex */
spl_filesystem_object_new(zend_class_entry * class_type)209 static zend_object *spl_filesystem_object_new(zend_class_entry *class_type)
210 {
211 	return spl_filesystem_object_new_ex(class_type);
212 }
213 /* }}} */
214 
spl_filesystem_object_get_path(spl_filesystem_object * intern)215 PHPAPI zend_string *spl_filesystem_object_get_path(spl_filesystem_object *intern) /* {{{ */
216 {
217 #ifdef HAVE_GLOB
218 	if (intern->type == SPL_FS_DIR && php_stream_is(intern->u.dir.dirp, &php_glob_stream_ops)) {
219 		size_t len = 0;
220 		char *tmp = php_glob_stream_get_path(intern->u.dir.dirp, &len);
221 		if (len == 0) {
222 			return NULL;
223 		}
224 		return zend_string_init(tmp, len, /* persistent */ false);
225 	}
226 #endif
227 	if (!intern->path) {
228 		return NULL;
229 	}
230 	return zend_string_copy(intern->path);
231 } /* }}} */
232 
spl_filesystem_object_get_file_name(spl_filesystem_object * intern)233 static inline zend_result spl_filesystem_object_get_file_name(spl_filesystem_object *intern) /* {{{ */
234 {
235 	if (intern->file_name) {
236 		/* already known */
237 		return SUCCESS;
238 	}
239 
240 	switch (intern->type) {
241 		case SPL_FS_INFO:
242 		case SPL_FS_FILE:
243 			zend_throw_error(NULL, "Object not initialized");
244 			return FAILURE;
245 		case SPL_FS_DIR: {
246 			size_t name_len;
247 			zend_string *path;
248 			char slash = SPL_HAS_FLAG(intern->flags, SPL_FILE_DIR_UNIXPATHS) ? '/' : DEFAULT_SLASH;
249 
250 			path = spl_filesystem_object_get_path(intern);
251 			/* if there is parent path, amend it, otherwise just use the given path as is */
252 			name_len = strlen(intern->u.dir.entry.d_name);
253 			if (!path) {
254 				intern->file_name = zend_string_init(intern->u.dir.entry.d_name, name_len, 0);
255 				return SUCCESS;
256 			}
257 
258 			ZEND_ASSERT(ZSTR_LEN(path) != 0);
259 			intern->file_name = zend_string_concat3(
260 				ZSTR_VAL(path), ZSTR_LEN(path), &slash, 1, intern->u.dir.entry.d_name, name_len);
261 			zend_string_release_ex(path, /* persistent */ false);
262 			break;
263 		}
264 	}
265 	return SUCCESS;
266 } /* }}} */
267 
268 /* TODO Make void or have callers check return value */
spl_filesystem_dir_read(spl_filesystem_object * intern)269 static bool spl_filesystem_dir_read(spl_filesystem_object *intern) /* {{{ */
270 {
271 	if (intern->file_name) {
272 		/* invalidate */
273 		zend_string_release(intern->file_name);
274 		intern->file_name = NULL;
275 	}
276 	if (!intern->u.dir.dirp || !php_stream_readdir(intern->u.dir.dirp, &intern->u.dir.entry)) {
277 		intern->u.dir.entry.d_name[0] = '\0';
278 		return 0;
279 	} else {
280 		return 1;
281 	}
282 }
283 /* }}} */
284 
285 #define IS_SLASH_AT(zs, pos) (IS_SLASH(zs[pos]))
286 
spl_filesystem_is_dot(const char * d_name)287 static inline bool spl_filesystem_is_dot(const char * d_name) /* {{{ */
288 {
289 	return !strcmp(d_name, ".") || !strcmp(d_name, "..");
290 }
291 /* }}} */
292 
293 /* {{{ spl_filesystem_dir_open */
294 /* open a directory resource
295  * Can emit an E_WARNING as it reports errors from php_stream_opendir() */
spl_filesystem_dir_open(spl_filesystem_object * intern,zend_string * path)296 static void spl_filesystem_dir_open(spl_filesystem_object* intern, zend_string *path)
297 {
298 	bool skip_dots = SPL_HAS_FLAG(intern->flags, SPL_FILE_DIR_SKIPDOTS);
299 
300 	intern->type = SPL_FS_DIR;
301 	intern->u.dir.dirp = php_stream_opendir(ZSTR_VAL(path), REPORT_ERRORS, FG(default_context));
302 
303 	if (ZSTR_LEN(path) > 1 && IS_SLASH_AT(ZSTR_VAL(path), ZSTR_LEN(path)-1)) {
304 		intern->path = zend_string_init(ZSTR_VAL(path), ZSTR_LEN(path)-1, 0);
305 	} else {
306 		intern->path = zend_string_copy(path);
307 	}
308 	intern->u.dir.index = 0;
309 
310 	if (EG(exception) || intern->u.dir.dirp == NULL) {
311 		intern->u.dir.entry.d_name[0] = '\0';
312 		if (!EG(exception)) {
313 			/* open failed w/out notice (turned to exception due to EH_THROW) */
314 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
315 				"Failed to open directory \"%s\"", ZSTR_VAL(path));
316 		}
317 	} else {
318 		do {
319 			spl_filesystem_dir_read(intern);
320 		} while (skip_dots && spl_filesystem_is_dot(intern->u.dir.entry.d_name));
321 	}
322 }
323 /* }}} */
324 
325 /* Can generate E_WARNINGS as we report errors from stream initialized via
326  * php_stream_open_wrapper_ex() */
spl_filesystem_file_open(spl_filesystem_object * intern,bool use_include_path)327 static zend_result spl_filesystem_file_open(spl_filesystem_object *intern, bool use_include_path) /* {{{ */
328 {
329 	zval tmp;
330 
331 	intern->type = SPL_FS_FILE;
332 	php_stat(intern->file_name, FS_IS_DIR, &tmp);
333 	if (Z_TYPE(tmp) == IS_TRUE) {
334 		zend_string_release(intern->u.file.open_mode);
335 		intern->u.file.open_mode = NULL;
336 		intern->file_name = NULL;
337 		zend_throw_exception_ex(spl_ce_LogicException, 0, "Cannot use SplFileObject with directories");
338 		return FAILURE;
339 	}
340 
341 	intern->u.file.context = php_stream_context_from_zval(intern->u.file.zcontext, 0);
342 	intern->u.file.stream = php_stream_open_wrapper_ex(ZSTR_VAL(intern->file_name), ZSTR_VAL(intern->u.file.open_mode), (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, intern->u.file.context);
343 
344 	if (!ZSTR_LEN(intern->file_name) || !intern->u.file.stream) {
345 		if (!EG(exception)) {
346 			zend_throw_exception_ex(spl_ce_RuntimeException, 0, "Cannot open file '%s'", ZSTR_VAL(intern->file_name));
347 		}
348 		zend_string_release(intern->u.file.open_mode);
349 		intern->u.file.open_mode = NULL;
350 		intern->file_name = NULL; /* until here it is not a copy */
351 		return FAILURE;
352 	}
353 
354 	/* prevent closing the stream outside of SplFileObject */
355 	intern->u.file.stream->flags |= PHP_STREAM_FLAG_NO_FCLOSE;
356 
357 	/*
358 	if (intern->u.file.zcontext) {
359 		//zend_list_addref(Z_RES_VAL(intern->u.file.zcontext));
360 		Z_ADDREF_P(intern->u.file.zcontext);
361 	}
362 	*/
363 
364 	if (ZSTR_LEN(intern->file_name) > 1 && IS_SLASH_AT(ZSTR_VAL(intern->file_name), ZSTR_LEN(intern->file_name)-1)) {
365 		intern->file_name = zend_string_init(ZSTR_VAL(intern->file_name), ZSTR_LEN(intern->file_name)-1, 0);
366 	} else {
367 		intern->file_name = zend_string_copy(intern->file_name);
368 	}
369 
370 	intern->orig_path = zend_string_init(intern->u.file.stream->orig_path, strlen(intern->u.file.stream->orig_path), 0);
371 
372 	/* avoid reference counting in debug mode, thus do it manually */
373 	ZVAL_RES(&intern->u.file.zresource, intern->u.file.stream->res);
374 	/*!!! TODO: maybe bug?
375 	Z_SET_REFCOUNT(intern->u.file.zresource, 1);
376 	*/
377 
378 	intern->u.file.delimiter = ',';
379 	intern->u.file.enclosure = '"';
380 	intern->u.file.escape = (unsigned char) '\\';
381 
382 	intern->u.file.func_getCurr = zend_hash_str_find_ptr(&intern->std.ce->function_table, "getcurrentline", sizeof("getcurrentline") - 1);
383 
384 	return SUCCESS;
385 } /* }}} */
386 
387 /* {{{ spl_filesystem_object_clone */
388 /* Local zend_object creation (on stack)
389    Load the 'other' object
390    Create a new empty object (See spl_filesystem_object_new_ex)
391    Open the directory
392    Clone other members (properties)
393  */
spl_filesystem_object_clone(zend_object * old_object)394 static zend_object *spl_filesystem_object_clone(zend_object *old_object)
395 {
396 	zend_object *new_object;
397 	spl_filesystem_object *intern;
398 	spl_filesystem_object *source;
399 
400 	source = spl_filesystem_from_obj(old_object);
401 	new_object = spl_filesystem_object_new_ex(old_object->ce);
402 	intern = spl_filesystem_from_obj(new_object);
403 
404 	intern->flags = source->flags;
405 
406 	switch (source->type) {
407 		case SPL_FS_INFO:
408 			if (source->path != NULL) {
409 				intern->path = zend_string_copy(source->path);
410 			}
411 			if (source->file_name != NULL) {
412 				intern->file_name = zend_string_copy(source->file_name);
413 			}
414 			break;
415 		case SPL_FS_DIR: {
416 			spl_filesystem_dir_open(intern, source->path);
417 			/* read until we hit the position in which we were before */
418 			bool skip_dots = SPL_HAS_FLAG(source->flags, SPL_FILE_DIR_SKIPDOTS);
419 			int index;
420 			for (index = 0; index < source->u.dir.index; ++index) {
421 				do {
422 					spl_filesystem_dir_read(intern);
423 				} while (skip_dots && spl_filesystem_is_dot(intern->u.dir.entry.d_name));
424 			}
425 			intern->u.dir.index = index;
426 			break;
427 		}
428 		case SPL_FS_FILE:
429 			ZEND_UNREACHABLE();
430 	}
431 
432 	intern->file_class = source->file_class;
433 	intern->info_class = source->info_class;
434 	intern->oth = source->oth;
435 	intern->oth_handler = source->oth_handler;
436 
437 	zend_objects_clone_members(new_object, old_object);
438 
439 	if (intern->oth_handler && intern->oth_handler->clone) {
440 		intern->oth_handler->clone(source, intern);
441 	}
442 
443 	return new_object;
444 }
445 /* }}} */
446 
spl_filesystem_info_set_filename(spl_filesystem_object * intern,zend_string * path)447 static void spl_filesystem_info_set_filename(spl_filesystem_object *intern, zend_string *path) /* {{{ */
448 {
449 	size_t path_len;
450 
451 	if (intern->file_name) {
452 		zend_string_release(intern->file_name);
453 	}
454 
455 	path_len = ZSTR_LEN(path);
456 	if (path_len > 1 && IS_SLASH_AT(ZSTR_VAL(path), path_len-1)) {
457 		do {
458 			path_len--;
459 		} while (path_len > 1 && IS_SLASH_AT(ZSTR_VAL(path), path_len - 1));
460 		intern->file_name = zend_string_init(ZSTR_VAL(path), path_len, 0);
461 	} else {
462 		intern->file_name = zend_string_copy(path);
463 	}
464 	while (path_len > 1 && !IS_SLASH_AT(ZSTR_VAL(path), path_len-1)) {
465 		path_len--;
466 	}
467 	if (path_len) {
468 		path_len--;
469 	}
470 
471 	if (intern->path) {
472 		zend_string_release(intern->path);
473 	}
474 	intern->path = zend_string_init(ZSTR_VAL(path), path_len, 0);
475 } /* }}} */
476 
spl_filesystem_object_create_info(spl_filesystem_object * source,zend_string * file_path,zend_class_entry * ce,zval * return_value)477 static spl_filesystem_object *spl_filesystem_object_create_info(spl_filesystem_object *source, zend_string *file_path, zend_class_entry *ce, zval *return_value) /* {{{ */
478 {
479 	spl_filesystem_object *intern;
480 	zval arg1;
481 
482 	if (!file_path || !ZSTR_LEN(file_path)) {
483 #ifdef PHP_WIN32
484 		zend_throw_exception_ex(spl_ce_RuntimeException, 0, "Cannot create SplFileInfo for empty path");
485 #endif
486 		return NULL;
487 	}
488 
489 	ce = ce ? ce : source->info_class;
490 
491 	intern = spl_filesystem_from_obj(spl_filesystem_object_new_ex(ce));
492 	RETVAL_OBJ(&intern->std);
493 
494 	if (ce->constructor->common.scope != spl_ce_SplFileInfo) {
495 		ZVAL_STR_COPY(&arg1, file_path);
496 		zend_call_method_with_1_params(Z_OBJ_P(return_value), ce, &ce->constructor, "__construct", NULL, &arg1);
497 		zval_ptr_dtor(&arg1);
498 	} else {
499 		spl_filesystem_info_set_filename(intern, file_path);
500 	}
501 
502 	return intern;
503 } /* }}} */
504 
spl_filesystem_object_create_type(int num_args,spl_filesystem_object * source,int type,zend_class_entry * ce,zval * return_value)505 static spl_filesystem_object *spl_filesystem_object_create_type(int num_args, spl_filesystem_object *source, int type, zend_class_entry *ce, zval *return_value) /* {{{ */
506 {
507 	spl_filesystem_object *intern;
508 	bool use_include_path = 0;
509 	zval arg1, arg2;
510 	zend_error_handling error_handling;
511 
512 	switch (source->type) {
513 		case SPL_FS_INFO:
514 		case SPL_FS_FILE:
515 			break;
516 		case SPL_FS_DIR:
517 			if (!source->u.dir.entry.d_name[0]) {
518 				zend_throw_exception_ex(spl_ce_RuntimeException, 0, "Could not open file");
519 				return NULL;
520 			}
521 	}
522 
523 	switch (type) {
524 		case SPL_FS_INFO:
525 			ce = ce ? ce : source->info_class;
526 
527 			intern = spl_filesystem_from_obj(spl_filesystem_object_new_ex(ce));
528 			RETVAL_OBJ(&intern->std);
529 
530 			if (spl_filesystem_object_get_file_name(source) == FAILURE) {
531 				return NULL;
532 			}
533 
534 			if (ce->constructor->common.scope != spl_ce_SplFileInfo) {
535 				ZVAL_STR_COPY(&arg1, source->file_name);
536 				zend_call_method_with_1_params(Z_OBJ_P(return_value), ce, &ce->constructor, "__construct", NULL, &arg1);
537 				zval_ptr_dtor(&arg1);
538 			} else {
539 				intern->file_name = zend_string_copy(source->file_name);
540 				intern->path = spl_filesystem_object_get_path(source);
541 			}
542 			break;
543 		case SPL_FS_FILE:
544 		{
545 			ce = ce ? ce : source->file_class;
546 
547 			zend_string *open_mode = ZSTR_CHAR('r');
548 			zval *resource = NULL;
549 
550 			if (zend_parse_parameters(num_args, "|Sbr!",
551 				&open_mode, &use_include_path, &resource) == FAILURE
552 			) {
553 				return NULL;
554 			}
555 
556 			intern = spl_filesystem_from_obj(spl_filesystem_object_new_ex(ce));
557 			RETVAL_OBJ(&intern->std);
558 
559 			if (spl_filesystem_object_get_file_name(source) == FAILURE) {
560 				return NULL;
561 			}
562 
563 			if (ce->constructor->common.scope != spl_ce_SplFileObject) {
564 				ZVAL_STR_COPY(&arg1, source->file_name);
565 				ZVAL_STR_COPY(&arg2, open_mode);
566 				zend_call_method_with_2_params(Z_OBJ_P(return_value), ce, &ce->constructor, "__construct", NULL, &arg1, &arg2);
567 				zval_ptr_dtor(&arg1);
568 				zval_ptr_dtor(&arg2);
569 			} else {
570 				intern->file_name = source->file_name;
571 				intern->path = spl_filesystem_object_get_path(source);
572 				intern->u.file.open_mode = zend_string_copy(open_mode);
573 				intern->u.file.zcontext = resource;
574 
575 				/* spl_filesystem_file_open() can generate E_WARNINGs which we want to promote to exceptions */
576 				zend_replace_error_handling(EH_THROW, spl_ce_RuntimeException, &error_handling);
577 				if (spl_filesystem_file_open(intern, use_include_path) == FAILURE) {
578 					zend_restore_error_handling(&error_handling);
579 					zval_ptr_dtor(return_value);
580 					ZVAL_NULL(return_value);
581 					return NULL;
582 				}
583 				zend_restore_error_handling(&error_handling);
584 			}
585 			break;
586 		}
587 		case SPL_FS_DIR:
588 			zend_throw_exception_ex(spl_ce_RuntimeException, 0, "Operation not supported");
589 			return NULL;
590 	}
591 	return NULL;
592 } /* }}} */
593 
spl_filesystem_is_invalid_or_dot(const char * d_name)594 static bool spl_filesystem_is_invalid_or_dot(const char * d_name) /* {{{ */
595 {
596 	return d_name[0] == '\0' || spl_filesystem_is_dot(d_name);
597 }
598 /* }}} */
599 
spl_filesystem_object_get_pathname(spl_filesystem_object * intern)600 static zend_string *spl_filesystem_object_get_pathname(spl_filesystem_object *intern) { /* {{{ */
601 	switch (intern->type) {
602 		case SPL_FS_INFO:
603 		case SPL_FS_FILE:
604 			return intern->file_name;
605 		case SPL_FS_DIR:
606 			if (intern->u.dir.entry.d_name[0]) {
607 				spl_filesystem_object_get_file_name(intern);
608 				return intern->file_name;
609 			}
610 	}
611 	return NULL;
612 }
613 /* }}} */
614 
spl_filesystem_object_get_debug_info(zend_object * object)615 static inline HashTable *spl_filesystem_object_get_debug_info(zend_object *object) /* {{{ */
616 {
617 	spl_filesystem_object *intern = spl_filesystem_from_obj(object);
618 	zval tmp;
619 	HashTable *rv;
620 	zend_string *pnstr;
621 	zend_string *path;
622 	char stmp[2];
623 
624 	if (!intern->std.properties) {
625 		rebuild_object_properties(&intern->std);
626 	}
627 
628 	rv = zend_array_dup(intern->std.properties);
629 
630 	pnstr = spl_gen_private_prop_name(spl_ce_SplFileInfo, "pathName", sizeof("pathName")-1);
631 	path = spl_filesystem_object_get_pathname(intern);
632 	if (path) {
633 		ZVAL_STR_COPY(&tmp, path);
634 	} else {
635 		ZVAL_EMPTY_STRING(&tmp);
636 	}
637 	zend_symtable_update(rv, pnstr, &tmp);
638 	zend_string_release_ex(pnstr, 0);
639 
640 	if (intern->file_name) {
641 		zend_string *path;
642 
643 		pnstr = spl_gen_private_prop_name(spl_ce_SplFileInfo, "fileName", sizeof("fileName")-1);
644 		path = spl_filesystem_object_get_path(intern);
645 
646 		if (path && ZSTR_LEN(path) && ZSTR_LEN(path) < ZSTR_LEN(intern->file_name)) {
647 			/* +1 to skip the trailing / of the path in the file name */
648 			ZVAL_STRINGL(&tmp, ZSTR_VAL(intern->file_name) + ZSTR_LEN(path) + 1, ZSTR_LEN(intern->file_name) - (ZSTR_LEN(path) + 1));
649 		} else {
650 			ZVAL_STR_COPY(&tmp, intern->file_name);
651 		}
652 		zend_symtable_update(rv, pnstr, &tmp);
653 		zend_string_release_ex(pnstr, /* persistent */ false);
654 		if (path) {
655 			zend_string_release_ex(path, /* persistent */ false);
656 		}
657 	}
658 	if (intern->type == SPL_FS_DIR) {
659 #ifdef HAVE_GLOB
660 		pnstr = spl_gen_private_prop_name(spl_ce_DirectoryIterator, "glob", sizeof("glob")-1);
661 		if (php_stream_is(intern->u.dir.dirp ,&php_glob_stream_ops)) {
662 			ZVAL_STR_COPY(&tmp, intern->path);
663 		} else {
664 			ZVAL_FALSE(&tmp);
665 		}
666 		zend_symtable_update(rv, pnstr, &tmp);
667 		zend_string_release_ex(pnstr, 0);
668 #endif
669 		pnstr = spl_gen_private_prop_name(spl_ce_RecursiveDirectoryIterator, "subPathName", sizeof("subPathName")-1);
670 		if (intern->u.dir.sub_path) {
671 			ZVAL_STR_COPY(&tmp, intern->u.dir.sub_path);
672 		} else {
673 			ZVAL_EMPTY_STRING(&tmp);
674 		}
675 		zend_symtable_update(rv, pnstr, &tmp);
676 		zend_string_release_ex(pnstr, 0);
677 	}
678 	if (intern->type == SPL_FS_FILE) {
679 		pnstr = spl_gen_private_prop_name(spl_ce_SplFileObject, "openMode", sizeof("openMode")-1);
680 		ZVAL_STR_COPY(&tmp, intern->u.file.open_mode);
681 		zend_symtable_update(rv, pnstr, &tmp);
682 		zend_string_release_ex(pnstr, 0);
683 		stmp[1] = '\0';
684 		stmp[0] = intern->u.file.delimiter;
685 		pnstr = spl_gen_private_prop_name(spl_ce_SplFileObject, "delimiter", sizeof("delimiter")-1);
686 		ZVAL_STRINGL(&tmp, stmp, 1);
687 		zend_symtable_update(rv, pnstr, &tmp);
688 		zend_string_release_ex(pnstr, 0);
689 		stmp[0] = intern->u.file.enclosure;
690 		pnstr = spl_gen_private_prop_name(spl_ce_SplFileObject, "enclosure", sizeof("enclosure")-1);
691 		ZVAL_STRINGL(&tmp, stmp, 1);
692 		zend_symtable_update(rv, pnstr, &tmp);
693 		zend_string_release_ex(pnstr, 0);
694 	}
695 
696 	return rv;
697 }
698 /* }}} */
699 
spl_filesystem_object_get_method_check(zend_object ** object,zend_string * method,const zval * key)700 static zend_function *spl_filesystem_object_get_method_check(zend_object **object, zend_string *method, const zval *key) /* {{{ */
701 {
702 	spl_filesystem_object *fsobj = spl_filesystem_from_obj(*object);
703 
704 	if (fsobj->u.dir.dirp == NULL && fsobj->orig_path == NULL) {
705 		zend_throw_error(NULL, "The parent constructor was not called: the object is in an invalid state");
706 		return NULL;
707 	}
708 
709 	return zend_std_get_method(object, method, key);
710 }
711 /* }}} */
712 
713 #define DIT_CTOR_FLAGS  0x00000001
714 #define DIT_CTOR_GLOB   0x00000002
715 
spl_filesystem_object_construct(INTERNAL_FUNCTION_PARAMETERS,zend_long ctor_flags)716 static void spl_filesystem_object_construct(INTERNAL_FUNCTION_PARAMETERS, zend_long ctor_flags) /* {{{ */
717 {
718 	spl_filesystem_object *intern;
719 	zend_string *path;
720 	zend_result parsed;
721 	zend_long flags = (ctor_flags & ~DIT_CTOR_FLAGS);
722 	zend_error_handling error_handling;
723 
724 	if (SPL_HAS_FLAG(ctor_flags, DIT_CTOR_FLAGS)) {
725 		flags |= SPL_FILE_DIR_KEY_AS_PATHNAME|SPL_FILE_DIR_CURRENT_AS_FILEINFO;
726 		parsed = zend_parse_parameters(ZEND_NUM_ARGS(), "P|l", &path, &flags);
727 	} else {
728 		flags |= SPL_FILE_DIR_KEY_AS_PATHNAME|SPL_FILE_DIR_CURRENT_AS_SELF;
729 		parsed = zend_parse_parameters(ZEND_NUM_ARGS(), "P", &path);
730 	}
731 	if (parsed == FAILURE) {
732 		RETURN_THROWS();
733 	}
734 
735 	if (ZSTR_LEN(path) == 0) {
736 		zend_argument_value_error(1, "cannot be empty");
737 		RETURN_THROWS();
738 	}
739 
740 	intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
741 	if (intern->path) {
742 		/* object is already initialized */
743 		zend_throw_error(NULL, "Directory object is already initialized");
744 		RETURN_THROWS();
745 	}
746 	intern->flags = flags;
747 
748 	/* spl_filesystem_dir_open() may emit an E_WARNING */
749 	zend_replace_error_handling(EH_THROW, spl_ce_UnexpectedValueException, &error_handling);
750 #ifdef HAVE_GLOB
751 	if (SPL_HAS_FLAG(ctor_flags, DIT_CTOR_GLOB) && !zend_string_starts_with_literal(path, "glob://")) {
752 		path = zend_strpprintf(0, "glob://%s", ZSTR_VAL(path));
753 		spl_filesystem_dir_open(intern, path);
754 		zend_string_release(path);
755 	} else
756 #endif
757 	{
758 		spl_filesystem_dir_open(intern, path);
759 
760 	}
761 	zend_restore_error_handling(&error_handling);
762 }
763 /* }}} */
764 
765 /* {{{ Cronstructs a new dir iterator from a path. */
PHP_METHOD(DirectoryIterator,__construct)766 PHP_METHOD(DirectoryIterator, __construct)
767 {
768 	spl_filesystem_object_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
769 }
770 /* }}} */
771 
772 /* {{{ Rewind dir back to the start */
PHP_METHOD(DirectoryIterator,rewind)773 PHP_METHOD(DirectoryIterator, rewind)
774 {
775 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
776 
777 	if (zend_parse_parameters_none() == FAILURE) {
778 		RETURN_THROWS();
779 	}
780 
781 	CHECK_DIRECTORY_ITERATOR_IS_INITIALIZED(intern);
782 	intern->u.dir.index = 0;
783 	php_stream_rewinddir(intern->u.dir.dirp);
784 	spl_filesystem_dir_read(intern);
785 }
786 /* }}} */
787 
788 /* {{{ Return current dir entry */
PHP_METHOD(DirectoryIterator,key)789 PHP_METHOD(DirectoryIterator, key)
790 {
791 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
792 
793 	if (zend_parse_parameters_none() == FAILURE) {
794 		RETURN_THROWS();
795 	}
796 
797 	CHECK_DIRECTORY_ITERATOR_IS_INITIALIZED(intern);
798 	RETURN_LONG(intern->u.dir.index);
799 }
800 /* }}} */
801 
802 /* {{{ Return this (needed for Iterator interface) */
PHP_METHOD(DirectoryIterator,current)803 PHP_METHOD(DirectoryIterator, current)
804 {
805 	if (zend_parse_parameters_none() == FAILURE) {
806 		RETURN_THROWS();
807 	}
808 
809 	CHECK_DIRECTORY_ITERATOR_IS_INITIALIZED(spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS)));
810 	RETURN_OBJ_COPY(Z_OBJ_P(ZEND_THIS));
811 }
812 /* }}} */
813 
814 /* {{{ Move to next entry */
PHP_METHOD(DirectoryIterator,next)815 PHP_METHOD(DirectoryIterator, next)
816 {
817 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
818 	bool skip_dots = SPL_HAS_FLAG(intern->flags, SPL_FILE_DIR_SKIPDOTS);
819 
820 	if (zend_parse_parameters_none() == FAILURE) {
821 		RETURN_THROWS();
822 	}
823 
824 	CHECK_DIRECTORY_ITERATOR_IS_INITIALIZED(intern);
825 	intern->u.dir.index++;
826 	do {
827 		spl_filesystem_dir_read(intern);
828 	} while (skip_dots && spl_filesystem_is_dot(intern->u.dir.entry.d_name));
829 	if (intern->file_name) {
830 		zend_string_release(intern->file_name);
831 		intern->file_name = NULL;
832 	}
833 }
834 /* }}} */
835 
836 /* {{{ Seek to the given position */
PHP_METHOD(DirectoryIterator,seek)837 PHP_METHOD(DirectoryIterator, seek)
838 {
839 	spl_filesystem_object *intern    = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
840 	zval retval;
841 	zend_long pos;
842 
843 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &pos) == FAILURE) {
844 		RETURN_THROWS();
845 	}
846 
847 	CHECK_DIRECTORY_ITERATOR_IS_INITIALIZED(intern);
848 	if (intern->u.dir.index > pos) {
849 		/* we first rewind */
850 		zend_call_method_with_0_params(Z_OBJ_P(ZEND_THIS), Z_OBJCE_P(ZEND_THIS), &intern->u.dir.func_rewind, "rewind", NULL);
851 	}
852 
853 	while (intern->u.dir.index < pos) {
854 		bool valid = 0;
855 		zend_call_method_with_0_params(Z_OBJ_P(ZEND_THIS), Z_OBJCE_P(ZEND_THIS), &intern->u.dir.func_valid, "valid", &retval);
856 		valid = zend_is_true(&retval);
857 		zval_ptr_dtor(&retval);
858 		if (!valid) {
859 			zend_throw_exception_ex(spl_ce_OutOfBoundsException, 0, "Seek position " ZEND_LONG_FMT " is out of range", pos);
860 			RETURN_THROWS();
861 		}
862 		zend_call_method_with_0_params(Z_OBJ_P(ZEND_THIS), Z_OBJCE_P(ZEND_THIS), &intern->u.dir.func_next, "next", NULL);
863 	}
864 } /* }}} */
865 
866 /* {{{ Check whether dir contains more entries */
PHP_METHOD(DirectoryIterator,valid)867 PHP_METHOD(DirectoryIterator, valid)
868 {
869 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
870 
871 	if (zend_parse_parameters_none() == FAILURE) {
872 		RETURN_THROWS();
873 	}
874 
875 	CHECK_DIRECTORY_ITERATOR_IS_INITIALIZED(intern);
876 	RETURN_BOOL(intern->u.dir.entry.d_name[0] != '\0');
877 }
878 /* }}} */
879 
880 /* {{{ Return the path */
PHP_METHOD(SplFileInfo,getPath)881 PHP_METHOD(SplFileInfo, getPath)
882 {
883 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
884 	zend_string *path;
885 
886 	if (zend_parse_parameters_none() == FAILURE) {
887 		RETURN_THROWS();
888 	}
889 
890   	path = spl_filesystem_object_get_path(intern);
891 	if (path) {
892 		RETURN_STR(path);
893 	} else {
894 		RETURN_EMPTY_STRING();
895 	}
896 }
897 /* }}} */
898 
899 /* {{{ Return filename only */
PHP_METHOD(SplFileInfo,getFilename)900 PHP_METHOD(SplFileInfo, getFilename)
901 {
902 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
903 	zend_string *path;
904 
905 	if (zend_parse_parameters_none() == FAILURE) {
906 		RETURN_THROWS();
907 	}
908 
909 	if (!intern->file_name) {
910 		zend_throw_error(NULL, "Object not initialized");
911 		RETURN_THROWS();
912 	}
913 
914 	path = spl_filesystem_object_get_path(intern);
915 
916 	if (path && ZSTR_LEN(path) && ZSTR_LEN(path) < ZSTR_LEN(intern->file_name)) {
917 		/* +1 to skip the trailing / of the path in the file name */
918 		size_t path_len = ZSTR_LEN(path) + 1;
919 		RETVAL_STRINGL(ZSTR_VAL(intern->file_name) + path_len, ZSTR_LEN(intern->file_name) - path_len);
920 	} else {
921 		RETVAL_STR_COPY(intern->file_name);
922 	}
923 	if (path) {
924 		zend_string_release_ex(path, /* persistent */ false);
925 	}
926 }
927 /* }}} */
928 
929 /* {{{ Return filename of current dir entry */
PHP_METHOD(DirectoryIterator,getFilename)930 PHP_METHOD(DirectoryIterator, getFilename)
931 {
932 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
933 
934 	if (zend_parse_parameters_none() == FAILURE) {
935 		RETURN_THROWS();
936 	}
937 
938 	CHECK_DIRECTORY_ITERATOR_IS_INITIALIZED(intern);
939 	RETURN_STRING(intern->u.dir.entry.d_name);
940 }
941 /* }}} */
942 
943 /* {{{ Returns file extension component of path */
PHP_METHOD(SplFileInfo,getExtension)944 PHP_METHOD(SplFileInfo, getExtension)
945 {
946 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
947 	char *fname = NULL;
948 	const char *p;
949 	size_t flen;
950 	zend_string *path;
951 	size_t idx;
952 	zend_string *ret;
953 
954 	if (zend_parse_parameters_none() == FAILURE) {
955 		RETURN_THROWS();
956 	}
957 
958 	if (!intern->file_name) {
959 		zend_throw_error(NULL, "Object not initialized");
960 		RETURN_THROWS();
961 	}
962 
963 	path = spl_filesystem_object_get_path(intern);
964 
965 	if (path && ZSTR_LEN(path) && ZSTR_LEN(path) < ZSTR_LEN(intern->file_name)) {
966 		fname = ZSTR_VAL(intern->file_name) + ZSTR_LEN(path) + 1;
967 		flen = ZSTR_LEN(intern->file_name) - (ZSTR_LEN(path) + 1);
968 	} else {
969 		fname = ZSTR_VAL(intern->file_name);
970 		flen = ZSTR_LEN(intern->file_name);
971 	}
972 	if (path) {
973 		zend_string_release_ex(path, /* persistent */ false);
974 	}
975 
976 	ret = php_basename(fname, flen, NULL, 0);
977 
978 	p = zend_memrchr(ZSTR_VAL(ret), '.', ZSTR_LEN(ret));
979 	if (p) {
980 		idx = p - ZSTR_VAL(ret);
981 		RETVAL_STRINGL(ZSTR_VAL(ret) + idx + 1, ZSTR_LEN(ret) - idx - 1);
982 		zend_string_release_ex(ret, 0);
983 		return;
984 	} else {
985 		zend_string_release_ex(ret, 0);
986 		RETURN_EMPTY_STRING();
987 	}
988 }
989 /* }}}*/
990 
991 /* {{{ Returns the file extension component of path */
PHP_METHOD(DirectoryIterator,getExtension)992 PHP_METHOD(DirectoryIterator, getExtension)
993 {
994 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
995 	const char *p;
996 	size_t idx;
997 	zend_string *fname;
998 
999 	if (zend_parse_parameters_none() == FAILURE) {
1000 		RETURN_THROWS();
1001 	}
1002 
1003 	CHECK_DIRECTORY_ITERATOR_IS_INITIALIZED(intern);
1004 	fname = php_basename(intern->u.dir.entry.d_name, strlen(intern->u.dir.entry.d_name), NULL, 0);
1005 
1006 	p = zend_memrchr(ZSTR_VAL(fname), '.', ZSTR_LEN(fname));
1007 	if (p) {
1008 		idx = p - ZSTR_VAL(fname);
1009 		RETVAL_STRINGL(ZSTR_VAL(fname) + idx + 1, ZSTR_LEN(fname) - idx - 1);
1010 		zend_string_release_ex(fname, 0);
1011 	} else {
1012 		zend_string_release_ex(fname, 0);
1013 		RETURN_EMPTY_STRING();
1014 	}
1015 }
1016 /* }}} */
1017 
1018 /* {{{ Returns filename component of path */
PHP_METHOD(SplFileInfo,getBasename)1019 PHP_METHOD(SplFileInfo, getBasename)
1020 {
1021 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1022 	char *fname, *suffix = 0;
1023 	size_t flen;
1024 	size_t slen = 0;
1025 	zend_string *path;
1026 
1027 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s", &suffix, &slen) == FAILURE) {
1028 		RETURN_THROWS();
1029 	}
1030 
1031 	if (!intern->file_name) {
1032 		zend_throw_error(NULL, "Object not initialized");
1033 		RETURN_THROWS();
1034 	}
1035 
1036 	path = spl_filesystem_object_get_path(intern);
1037 
1038 	if (path && ZSTR_LEN(path) && ZSTR_LEN(path) < ZSTR_LEN(intern->file_name)) {
1039 		/* +1 to skip the trailing / of the path in the file name */
1040 		fname = ZSTR_VAL(intern->file_name) + ZSTR_LEN(path) + 1;
1041 		flen = ZSTR_LEN(intern->file_name) - (ZSTR_LEN(path) + 1);
1042 	} else {
1043 		fname = ZSTR_VAL(intern->file_name);
1044 		flen = ZSTR_LEN(intern->file_name);
1045 	}
1046 	if (path) {
1047 		zend_string_release_ex(path, /* persistent */ false);
1048 	}
1049 
1050 	RETURN_STR(php_basename(fname, flen, suffix, slen));
1051 }
1052 /* }}}*/
1053 
1054 /* {{{ Returns filename component of current dir entry */
PHP_METHOD(DirectoryIterator,getBasename)1055 PHP_METHOD(DirectoryIterator, getBasename)
1056 {
1057 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1058 	char *suffix = 0;
1059 	size_t slen = 0;
1060 	zend_string *fname;
1061 
1062 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s", &suffix, &slen) == FAILURE) {
1063 		RETURN_THROWS();
1064 	}
1065 
1066 	CHECK_DIRECTORY_ITERATOR_IS_INITIALIZED(intern);
1067 	fname = php_basename(intern->u.dir.entry.d_name, strlen(intern->u.dir.entry.d_name), suffix, slen);
1068 
1069 	RETURN_STR(fname);
1070 }
1071 /* }}} */
1072 
1073 /* {{{ Return path and filename */
PHP_METHOD(SplFileInfo,getPathname)1074 PHP_METHOD(SplFileInfo, getPathname)
1075 {
1076 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1077 	zend_string *path;
1078 
1079 	if (zend_parse_parameters_none() == FAILURE) {
1080 		RETURN_THROWS();
1081 	}
1082 	path = spl_filesystem_object_get_pathname(intern);
1083 	if (path) {
1084 		RETURN_STR_COPY(path);
1085 	} else {
1086 		RETURN_EMPTY_STRING();
1087 	}
1088 }
1089 /* }}} */
1090 
1091 /* {{{ Return getPathname() or getFilename() depending on flags */
PHP_METHOD(FilesystemIterator,key)1092 PHP_METHOD(FilesystemIterator, key)
1093 {
1094 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1095 
1096 	if (zend_parse_parameters_none() == FAILURE) {
1097 		RETURN_THROWS();
1098 	}
1099 
1100 	if (SPL_FILE_DIR_KEY(intern, SPL_FILE_DIR_KEY_AS_FILENAME)) {
1101 		RETURN_STRING(intern->u.dir.entry.d_name);
1102 	} else {
1103 		if (spl_filesystem_object_get_file_name(intern) == FAILURE) {
1104 			RETURN_THROWS();
1105 		}
1106 		RETURN_STR_COPY(intern->file_name);
1107 	}
1108 }
1109 /* }}} */
1110 
1111 /* {{{ Return getFilename(), getFileInfo() or $this depending on flags */
PHP_METHOD(FilesystemIterator,current)1112 PHP_METHOD(FilesystemIterator, current)
1113 {
1114 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1115 
1116 	if (zend_parse_parameters_none() == FAILURE) {
1117 		RETURN_THROWS();
1118 	}
1119 
1120 	if (SPL_FILE_DIR_CURRENT(intern, SPL_FILE_DIR_CURRENT_AS_PATHNAME)) {
1121 		if (spl_filesystem_object_get_file_name(intern) == FAILURE) {
1122 			RETURN_THROWS();
1123 		}
1124 		RETURN_STR_COPY(intern->file_name);
1125 	} else if (SPL_FILE_DIR_CURRENT(intern, SPL_FILE_DIR_CURRENT_AS_FILEINFO)) {
1126 		if (spl_filesystem_object_get_file_name(intern) == FAILURE) {
1127 			RETURN_THROWS();
1128 		}
1129 		spl_filesystem_object_create_type(0, intern, SPL_FS_INFO, NULL, return_value);
1130 	} else {
1131 		RETURN_OBJ_COPY(Z_OBJ_P(ZEND_THIS));
1132 	}
1133 }
1134 /* }}} */
1135 
1136 /* {{{ Returns true if current entry is '.' or  '..' */
PHP_METHOD(DirectoryIterator,isDot)1137 PHP_METHOD(DirectoryIterator, isDot)
1138 {
1139 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1140 
1141 	if (zend_parse_parameters_none() == FAILURE) {
1142 		RETURN_THROWS();
1143 	}
1144 
1145 	CHECK_DIRECTORY_ITERATOR_IS_INITIALIZED(intern);
1146 	RETURN_BOOL(spl_filesystem_is_dot(intern->u.dir.entry.d_name));
1147 }
1148 /* }}} */
1149 
1150 /* {{{ Constructs a new SplFileInfo from a path. */
1151 /* When the constructor gets called the object is already created
1152    by the engine, so we must only call 'additional' initializations.
1153  */
PHP_METHOD(SplFileInfo,__construct)1154 PHP_METHOD(SplFileInfo, __construct)
1155 {
1156 	spl_filesystem_object *intern;
1157 	zend_string *path;
1158 
1159 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "P", &path) == FAILURE) {
1160 		RETURN_THROWS();
1161 	}
1162 
1163 	intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1164 
1165 	spl_filesystem_info_set_filename(intern, path);
1166 
1167 	/* intern->type = SPL_FS_INFO; already set */
1168 }
1169 /* }}} */
1170 
1171 /* {{{ FileInfoFunction */
1172 #define FileInfoFunction(func_name, func_num) \
1173 PHP_METHOD(SplFileInfo, func_name) \
1174 { \
1175 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS)); \
1176 	zend_error_handling error_handling; \
1177 	if (zend_parse_parameters_none() == FAILURE) { \
1178 		RETURN_THROWS(); \
1179 	} \
1180 	if (spl_filesystem_object_get_file_name(intern) == FAILURE) { \
1181 		RETURN_THROWS(); \
1182 	} \
1183 	zend_replace_error_handling(EH_THROW, spl_ce_RuntimeException, &error_handling);\
1184 	php_stat(intern->file_name, func_num, return_value); \
1185 	zend_restore_error_handling(&error_handling); \
1186 }
1187 /* }}} */
1188 
1189 /* {{{ Get file permissions */
FileInfoFunction(getPerms,FS_PERMS)1190 FileInfoFunction(getPerms, FS_PERMS)
1191 /* }}} */
1192 
1193 /* {{{ Get file inode */
1194 FileInfoFunction(getInode, FS_INODE)
1195 /* }}} */
1196 
1197 /* {{{ Get file size */
1198 FileInfoFunction(getSize, FS_SIZE)
1199 /* }}} */
1200 
1201 /* {{{ Get file owner */
1202 FileInfoFunction(getOwner, FS_OWNER)
1203 /* }}} */
1204 
1205 /* {{{ Get file group */
1206 FileInfoFunction(getGroup, FS_GROUP)
1207 /* }}} */
1208 
1209 /* {{{ Get last access time of file */
1210 FileInfoFunction(getATime, FS_ATIME)
1211 /* }}} */
1212 
1213 /* {{{ Get last modification time of file */
1214 FileInfoFunction(getMTime, FS_MTIME)
1215 /* }}} */
1216 
1217 /* {{{ Get inode modification time of file */
1218 FileInfoFunction(getCTime, FS_CTIME)
1219 /* }}} */
1220 
1221 /* {{{ Get file type */
1222 FileInfoFunction(getType, FS_TYPE)
1223 /* }}} */
1224 
1225 /* {{{ Returns true if file can be written */
1226 FileInfoFunction(isWritable, FS_IS_W)
1227 /* }}} */
1228 
1229 /* {{{ Returns true if file can be read */
1230 FileInfoFunction(isReadable, FS_IS_R)
1231 /* }}} */
1232 
1233 /* {{{ Returns true if file is executable */
1234 FileInfoFunction(isExecutable, FS_IS_X)
1235 /* }}} */
1236 
1237 /* {{{ Returns true if file is a regular file */
1238 FileInfoFunction(isFile, FS_IS_FILE)
1239 /* }}} */
1240 
1241 /* {{{ Returns true if file is directory */
1242 FileInfoFunction(isDir, FS_IS_DIR)
1243 /* }}} */
1244 
1245 /* {{{ Returns true if file is symbolic link */
1246 FileInfoFunction(isLink, FS_IS_LINK)
1247 /* }}} */
1248 
1249 /* {{{ Return the target of a symbolic link */
1250 PHP_METHOD(SplFileInfo, getLinkTarget)
1251 {
1252 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1253 	ssize_t ret;
1254 	char buff[MAXPATHLEN];
1255 
1256 	if (zend_parse_parameters_none() == FAILURE) {
1257 		RETURN_THROWS();
1258 	}
1259 
1260 	if (intern->file_name == NULL) {
1261 		if (spl_filesystem_object_get_file_name(intern) == FAILURE) {
1262 			RETURN_THROWS();
1263 		}
1264 	}
1265 #if defined(PHP_WIN32) || defined(HAVE_SYMLINK)
1266 	if (intern->file_name == NULL) {
1267 		zend_value_error("Filename cannot be empty");
1268 		RETURN_THROWS();
1269 	}
1270 	if (!IS_ABSOLUTE_PATH(ZSTR_VAL(intern->file_name), ZSTR_LEN(intern->file_name))) {
1271 		char expanded_path[MAXPATHLEN];
1272 		if (!expand_filepath_with_mode(ZSTR_VAL(intern->file_name), expanded_path, NULL, 0, CWD_EXPAND )) {
1273 			php_error_docref(NULL, E_WARNING, "No such file or directory");
1274 			RETURN_FALSE;
1275 		}
1276 		ret = php_sys_readlink(expanded_path, buff, MAXPATHLEN - 1);
1277 	} else {
1278 		ret = php_sys_readlink(ZSTR_VAL(intern->file_name), buff,  MAXPATHLEN-1);
1279 	}
1280 #else
1281 	ret = -1; /* always fail if not implemented */
1282 #endif
1283 
1284 	if (ret == -1) {
1285 		zend_throw_exception_ex(spl_ce_RuntimeException, 0, "Unable to read link %s, error: %s", ZSTR_VAL(intern->file_name), strerror(errno));
1286 		RETVAL_FALSE;
1287 	} else {
1288 		/* Append NULL to the end of the string */
1289 		buff[ret] = '\0';
1290 
1291 		RETVAL_STRINGL(buff, ret);
1292 	}
1293 }
1294 /* }}} */
1295 
1296 /* {{{ Return the resolved path */
PHP_METHOD(SplFileInfo,getRealPath)1297 PHP_METHOD(SplFileInfo, getRealPath)
1298 {
1299 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1300 	char buff[MAXPATHLEN];
1301 	char *filename;
1302 
1303 	if (zend_parse_parameters_none() == FAILURE) {
1304 		RETURN_THROWS();
1305 	}
1306 
1307 	if (intern->type == SPL_FS_DIR && !intern->file_name && intern->u.dir.entry.d_name[0]) {
1308 		if (spl_filesystem_object_get_file_name(intern) == FAILURE) {
1309 			RETURN_THROWS();
1310 		}
1311 	}
1312 
1313 	if (intern->orig_path) {
1314 		filename = ZSTR_VAL(intern->orig_path);
1315 	} else {
1316 		filename = intern->file_name ? ZSTR_VAL(intern->file_name) : NULL;
1317 	}
1318 
1319 
1320 	if (filename && VCWD_REALPATH(filename, buff)) {
1321 #ifdef ZTS
1322 		if (VCWD_ACCESS(buff, F_OK)) {
1323 			RETURN_FALSE;
1324 		} else
1325 #endif
1326 		RETURN_STRING(buff);
1327 	} else {
1328 		RETURN_FALSE;
1329 	}
1330 }
1331 /* }}} */
1332 
1333 /* {{{ Open the current file */
PHP_METHOD(SplFileInfo,openFile)1334 PHP_METHOD(SplFileInfo, openFile)
1335 {
1336 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1337 
1338 	spl_filesystem_object_create_type(ZEND_NUM_ARGS(), intern, SPL_FS_FILE, NULL, return_value);
1339 }
1340 /* }}} */
1341 
1342 /* {{{ Class to use in openFile() */
PHP_METHOD(SplFileInfo,setFileClass)1343 PHP_METHOD(SplFileInfo, setFileClass)
1344 {
1345 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1346 	zend_class_entry *ce = spl_ce_SplFileObject;
1347 
1348 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|C", &ce) == FAILURE) {
1349 		RETURN_THROWS();
1350 	}
1351 
1352 	intern->file_class = ce;
1353 }
1354 /* }}} */
1355 
1356 /* {{{ Class to use in getFileInfo(), getPathInfo() */
PHP_METHOD(SplFileInfo,setInfoClass)1357 PHP_METHOD(SplFileInfo, setInfoClass)
1358 {
1359 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1360 	zend_class_entry *ce = spl_ce_SplFileInfo;
1361 
1362 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|C", &ce) == FAILURE) {
1363 		RETURN_THROWS();
1364 	}
1365 
1366 	intern->info_class = ce;
1367 }
1368 /* }}} */
1369 
1370 /* {{{ Get/copy file info */
PHP_METHOD(SplFileInfo,getFileInfo)1371 PHP_METHOD(SplFileInfo, getFileInfo)
1372 {
1373 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1374 	zend_class_entry *ce = intern->info_class;
1375 
1376 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|C!", &ce) == FAILURE) {
1377 		RETURN_THROWS();
1378 	}
1379 
1380 	spl_filesystem_object_create_type(ZEND_NUM_ARGS(), intern, SPL_FS_INFO, ce, return_value);
1381 }
1382 /* }}} */
1383 
1384 /* {{{ Get/copy file info */
PHP_METHOD(SplFileInfo,getPathInfo)1385 PHP_METHOD(SplFileInfo, getPathInfo)
1386 {
1387 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1388 	zend_class_entry *ce = intern->info_class;
1389 	zend_string *path;
1390 
1391 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|C!", &ce) == FAILURE) {
1392 		RETURN_THROWS();
1393 	}
1394 
1395 	path = spl_filesystem_object_get_pathname(intern);
1396 	if (path && ZSTR_LEN(path)) {
1397 		zend_string *dpath = zend_string_init(ZSTR_VAL(path), ZSTR_LEN(path), 0);
1398 		ZSTR_LEN(dpath) = php_dirname(ZSTR_VAL(dpath), ZSTR_LEN(path));
1399 		spl_filesystem_object_create_info(intern, dpath, ce, return_value);
1400 		zend_string_release(dpath);
1401 	}
1402 }
1403 /* }}} */
1404 
1405 /* {{{ */
PHP_METHOD(SplFileInfo,__debugInfo)1406 PHP_METHOD(SplFileInfo, __debugInfo)
1407 {
1408 	if (zend_parse_parameters_none() == FAILURE) {
1409 		RETURN_THROWS();
1410 	}
1411 
1412 	RETURN_ARR(spl_filesystem_object_get_debug_info(Z_OBJ_P(ZEND_THIS)));
1413 } /* }}} */
1414 
1415 /* {{{ */
PHP_METHOD(SplFileInfo,_bad_state_ex)1416 PHP_METHOD(SplFileInfo, _bad_state_ex)
1417 {
1418 	if (zend_parse_parameters_none() == FAILURE) {
1419 		RETURN_THROWS();
1420 	}
1421 	zend_throw_error(NULL, "The parent constructor was not called: the object is in an invalid state");
1422 	RETURN_THROWS();
1423 }
1424 /* }}} */
1425 
1426 /* {{{ Constructs a new dir iterator from a path. */
PHP_METHOD(FilesystemIterator,__construct)1427 PHP_METHOD(FilesystemIterator, __construct)
1428 {
1429 	spl_filesystem_object_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, DIT_CTOR_FLAGS | SPL_FILE_DIR_SKIPDOTS);
1430 }
1431 /* }}} */
1432 
1433 /* {{{ Rewind dir back to the start */
PHP_METHOD(FilesystemIterator,rewind)1434 PHP_METHOD(FilesystemIterator, rewind)
1435 {
1436 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1437 	bool skip_dots = SPL_HAS_FLAG(intern->flags, SPL_FILE_DIR_SKIPDOTS);
1438 
1439 	if (zend_parse_parameters_none() == FAILURE) {
1440 		RETURN_THROWS();
1441 	}
1442 
1443 	intern->u.dir.index = 0;
1444 	if (intern->u.dir.dirp) {
1445 		php_stream_rewinddir(intern->u.dir.dirp);
1446 	}
1447 	do {
1448 		spl_filesystem_dir_read(intern);
1449 	} while (skip_dots && spl_filesystem_is_dot(intern->u.dir.entry.d_name));
1450 }
1451 /* }}} */
1452 
1453 /* {{{ Get handling flags */
PHP_METHOD(FilesystemIterator,getFlags)1454 PHP_METHOD(FilesystemIterator, getFlags)
1455 {
1456 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1457 
1458 	if (zend_parse_parameters_none() == FAILURE) {
1459 		RETURN_THROWS();
1460 	}
1461 
1462 	RETURN_LONG(intern->flags & (SPL_FILE_DIR_KEY_MODE_MASK | SPL_FILE_DIR_CURRENT_MODE_MASK | SPL_FILE_DIR_OTHERS_MASK));
1463 } /* }}} */
1464 
1465 /* {{{ Set handling flags */
PHP_METHOD(FilesystemIterator,setFlags)1466 PHP_METHOD(FilesystemIterator, setFlags)
1467 {
1468 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1469 	zend_long flags;
1470 
1471 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &flags) == FAILURE) {
1472 		RETURN_THROWS();
1473 	}
1474 
1475 	intern->flags &= ~(SPL_FILE_DIR_KEY_MODE_MASK|SPL_FILE_DIR_CURRENT_MODE_MASK|SPL_FILE_DIR_OTHERS_MASK);
1476 	intern->flags |= ((SPL_FILE_DIR_KEY_MODE_MASK|SPL_FILE_DIR_CURRENT_MODE_MASK|SPL_FILE_DIR_OTHERS_MASK) & flags);
1477 } /* }}} */
1478 
1479 /* {{{ Returns whether current entry is a directory and not '.' or '..' */
PHP_METHOD(RecursiveDirectoryIterator,hasChildren)1480 PHP_METHOD(RecursiveDirectoryIterator, hasChildren)
1481 {
1482 	bool allow_links = 0;
1483 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1484 
1485 	ZEND_PARSE_PARAMETERS_START(0, 1)
1486 		Z_PARAM_OPTIONAL
1487 		Z_PARAM_BOOL(allow_links)
1488 	ZEND_PARSE_PARAMETERS_END();
1489 
1490 	if (spl_filesystem_is_invalid_or_dot(intern->u.dir.entry.d_name)) {
1491 		RETURN_FALSE;
1492 	} else {
1493 		if (intern->u.dir.entry.d_type == DT_DIR) {
1494 			RETURN_TRUE;
1495 		} else if (intern->u.dir.entry.d_type == DT_REG) {
1496 			RETURN_FALSE;
1497 		}
1498 		if (spl_filesystem_object_get_file_name(intern) == FAILURE) {
1499 			RETURN_THROWS();
1500 		}
1501 		php_stat(intern->file_name, FS_LPERMS, return_value);
1502 		if (Z_TYPE_P(return_value) == IS_FALSE) {
1503 			return;
1504 		} else if (!S_ISLNK(Z_LVAL_P(return_value))) {
1505 			RETURN_BOOL(S_ISDIR(Z_LVAL_P(return_value)));
1506 		} else {
1507 			if (!allow_links
1508 			 && !(intern->flags & SPL_FILE_DIR_FOLLOW_SYMLINKS)) {
1509 				RETURN_FALSE;
1510 			}
1511 			php_stat(intern->file_name, FS_IS_DIR, return_value);
1512 		}
1513     }
1514 }
1515 /* }}} */
1516 
1517 /* {{{ Returns an iterator for the current entry if it is a directory */
PHP_METHOD(RecursiveDirectoryIterator,getChildren)1518 PHP_METHOD(RecursiveDirectoryIterator, getChildren)
1519 {
1520 	zval zpath, zflags;
1521 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1522 	spl_filesystem_object *subdir;
1523 	char slash = SPL_HAS_FLAG(intern->flags, SPL_FILE_DIR_UNIXPATHS) ? '/' : DEFAULT_SLASH;
1524 
1525 	if (zend_parse_parameters_none() == FAILURE) {
1526 		RETURN_THROWS();
1527 	}
1528 
1529 	if (spl_filesystem_object_get_file_name(intern) == FAILURE) {
1530 		RETURN_THROWS();
1531 	}
1532 
1533 	ZVAL_LONG(&zflags, intern->flags);
1534 	ZVAL_STR_COPY(&zpath, intern->file_name);
1535 	spl_instantiate_arg_ex2(Z_OBJCE_P(ZEND_THIS), return_value, &zpath, &zflags);
1536 	zval_ptr_dtor(&zpath);
1537 
1538 	subdir = spl_filesystem_from_obj(Z_OBJ_P(return_value));
1539 	if (subdir) {
1540 		size_t name_len = strlen(intern->u.dir.entry.d_name);
1541 		if (intern->u.dir.sub_path && ZSTR_LEN(intern->u.dir.sub_path)) {
1542 			zend_string *sub_path = zend_string_alloc(ZSTR_LEN(intern->u.dir.sub_path) + 1 + name_len, 0);
1543 			memcpy(ZSTR_VAL(sub_path), ZSTR_VAL(intern->u.dir.sub_path), ZSTR_LEN(intern->u.dir.sub_path));
1544 			ZSTR_VAL(sub_path)[ZSTR_LEN(intern->u.dir.sub_path)] = slash;
1545 			memcpy(ZSTR_VAL(sub_path) + ZSTR_LEN(intern->u.dir.sub_path) + 1, intern->u.dir.entry.d_name, name_len);
1546 			ZSTR_VAL(sub_path)[ZSTR_LEN(intern->u.dir.sub_path) + 1 + name_len] = 0;
1547 			subdir->u.dir.sub_path = sub_path;
1548 		} else {
1549 			subdir->u.dir.sub_path = zend_string_init(intern->u.dir.entry.d_name, name_len, 0);
1550 		}
1551 		subdir->info_class = intern->info_class;
1552 		subdir->file_class = intern->file_class;
1553 		subdir->oth = intern->oth;
1554 	}
1555 }
1556 /* }}} */
1557 
1558 /* {{{ Get sub path */
PHP_METHOD(RecursiveDirectoryIterator,getSubPath)1559 PHP_METHOD(RecursiveDirectoryIterator, getSubPath)
1560 {
1561 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1562 
1563 	if (zend_parse_parameters_none() == FAILURE) {
1564 		RETURN_THROWS();
1565 	}
1566 
1567 	if (intern->u.dir.sub_path) {
1568 		RETURN_STR_COPY(intern->u.dir.sub_path);
1569 	} else {
1570 		RETURN_EMPTY_STRING();
1571 	}
1572 }
1573 /* }}} */
1574 
1575 /* {{{ Get sub path and file name */
PHP_METHOD(RecursiveDirectoryIterator,getSubPathname)1576 PHP_METHOD(RecursiveDirectoryIterator, getSubPathname)
1577 {
1578 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1579 	char slash = SPL_HAS_FLAG(intern->flags, SPL_FILE_DIR_UNIXPATHS) ? '/' : DEFAULT_SLASH;
1580 
1581 	if (zend_parse_parameters_none() == FAILURE) {
1582 		RETURN_THROWS();
1583 	}
1584 
1585 	if (intern->u.dir.sub_path) {
1586 		RETURN_NEW_STR(strpprintf(0, "%s%c%s", ZSTR_VAL(intern->u.dir.sub_path), slash, intern->u.dir.entry.d_name));
1587 	} else {
1588 		RETURN_STRING(intern->u.dir.entry.d_name);
1589 	}
1590 }
1591 /* }}} */
1592 
1593 /* {{{ Cronstructs a new dir iterator from a path. */
PHP_METHOD(RecursiveDirectoryIterator,__construct)1594 PHP_METHOD(RecursiveDirectoryIterator, __construct)
1595 {
1596 	spl_filesystem_object_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, DIT_CTOR_FLAGS);
1597 }
1598 /* }}} */
1599 
1600 #ifdef HAVE_GLOB
1601 /* {{{ Cronstructs a new dir iterator from a glob expression (no glob:// needed). */
PHP_METHOD(GlobIterator,__construct)1602 PHP_METHOD(GlobIterator, __construct)
1603 {
1604 	spl_filesystem_object_construct(INTERNAL_FUNCTION_PARAM_PASSTHRU, DIT_CTOR_FLAGS|DIT_CTOR_GLOB);
1605 }
1606 /* }}} */
1607 
1608 /* {{{ Return the number of directories and files found by globbing */
PHP_METHOD(GlobIterator,count)1609 PHP_METHOD(GlobIterator, count)
1610 {
1611 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
1612 
1613 	if (zend_parse_parameters_none() == FAILURE) {
1614 		RETURN_THROWS();
1615 	}
1616 
1617 	if (intern->u.dir.dirp && php_stream_is(intern->u.dir.dirp ,&php_glob_stream_ops)) {
1618 		RETURN_LONG(php_glob_stream_get_count(intern->u.dir.dirp, NULL));
1619 	} else {
1620 		/* should not happen */
1621 		// TODO ZEND_ASSERT ?
1622 		php_error_docref(NULL, E_ERROR, "GlobIterator lost glob state");
1623 	}
1624 }
1625 /* }}} */
1626 #endif /* HAVE_GLOB */
1627 
1628 /* {{{ forward declarations to the iterator handlers */
1629 static void spl_filesystem_dir_it_dtor(zend_object_iterator *iter);
1630 static zend_result spl_filesystem_dir_it_valid(zend_object_iterator *iter);
1631 static zval *spl_filesystem_dir_it_current_data(zend_object_iterator *iter);
1632 static void spl_filesystem_dir_it_current_key(zend_object_iterator *iter, zval *key);
1633 static void spl_filesystem_dir_it_move_forward(zend_object_iterator *iter);
1634 static void spl_filesystem_dir_it_rewind(zend_object_iterator *iter);
1635 
1636 /* iterator handler table */
1637 static const zend_object_iterator_funcs spl_filesystem_dir_it_funcs = {
1638 	spl_filesystem_dir_it_dtor,
1639 	spl_filesystem_dir_it_valid,
1640 	spl_filesystem_dir_it_current_data,
1641 	spl_filesystem_dir_it_current_key,
1642 	spl_filesystem_dir_it_move_forward,
1643 	spl_filesystem_dir_it_rewind,
1644 	NULL,
1645 	NULL, /* get_gc */
1646 };
1647 /* }}} */
1648 
1649 /* {{{ spl_ce_dir_get_iterator */
spl_filesystem_dir_get_iterator(zend_class_entry * ce,zval * object,int by_ref)1650 static zend_object_iterator *spl_filesystem_dir_get_iterator(zend_class_entry *ce, zval *object, int by_ref)
1651 {
1652 	spl_filesystem_iterator *iterator;
1653 	spl_filesystem_object *dir_object;
1654 
1655 	if (by_ref) {
1656 		zend_throw_error(NULL, "An iterator cannot be used with foreach by reference");
1657 		return NULL;
1658 	}
1659 	dir_object = spl_filesystem_from_obj(Z_OBJ_P(object));
1660 	iterator = spl_filesystem_object_to_iterator(dir_object);
1661 	ZVAL_OBJ_COPY(&iterator->intern.data, Z_OBJ_P(object));
1662 	iterator->intern.funcs = &spl_filesystem_dir_it_funcs;
1663 	/* ->current must be initialized; rewind doesn't set it and valid
1664 	 * doesn't check whether it's set */
1665 	iterator->current = *object;
1666 
1667 	return &iterator->intern;
1668 }
1669 /* }}} */
1670 
1671 /* {{{ spl_filesystem_dir_it_dtor */
spl_filesystem_dir_it_dtor(zend_object_iterator * iter)1672 static void spl_filesystem_dir_it_dtor(zend_object_iterator *iter)
1673 {
1674 	spl_filesystem_iterator *iterator = (spl_filesystem_iterator *)iter;
1675 	zval_ptr_dtor(&iterator->intern.data);
1676 }
1677 /* }}} */
1678 
1679 /* {{{ spl_filesystem_dir_it_valid */
spl_filesystem_dir_it_valid(zend_object_iterator * iter)1680 static zend_result spl_filesystem_dir_it_valid(zend_object_iterator *iter)
1681 {
1682 	spl_filesystem_object *object = spl_filesystem_iterator_to_object((spl_filesystem_iterator *)iter);
1683 
1684 	return object->u.dir.entry.d_name[0] != '\0' ? SUCCESS : FAILURE;
1685 }
1686 /* }}} */
1687 
1688 /* {{{ spl_filesystem_dir_it_current_data */
spl_filesystem_dir_it_current_data(zend_object_iterator * iter)1689 static zval *spl_filesystem_dir_it_current_data(zend_object_iterator *iter)
1690 {
1691 	spl_filesystem_iterator *iterator = (spl_filesystem_iterator *)iter;
1692 
1693 	return &iterator->current;
1694 }
1695 /* }}} */
1696 
1697 /* {{{ spl_filesystem_dir_it_current_key */
spl_filesystem_dir_it_current_key(zend_object_iterator * iter,zval * key)1698 static void spl_filesystem_dir_it_current_key(zend_object_iterator *iter, zval *key)
1699 {
1700 	spl_filesystem_object *object = spl_filesystem_iterator_to_object((spl_filesystem_iterator *)iter);
1701 
1702 	ZVAL_LONG(key, object->u.dir.index);
1703 }
1704 /* }}} */
1705 
1706 /* {{{ spl_filesystem_dir_it_move_forward */
spl_filesystem_dir_it_move_forward(zend_object_iterator * iter)1707 static void spl_filesystem_dir_it_move_forward(zend_object_iterator *iter)
1708 {
1709 	spl_filesystem_object *object = spl_filesystem_iterator_to_object((spl_filesystem_iterator *)iter);
1710 
1711 	object->u.dir.index++;
1712 	spl_filesystem_dir_read(object);
1713 	if (object->file_name) {
1714 		zend_string_release(object->file_name);
1715 		object->file_name = NULL;
1716 	}
1717 }
1718 /* }}} */
1719 
1720 /* {{{ spl_filesystem_dir_it_rewind */
spl_filesystem_dir_it_rewind(zend_object_iterator * iter)1721 static void spl_filesystem_dir_it_rewind(zend_object_iterator *iter)
1722 {
1723 	spl_filesystem_object *object = spl_filesystem_iterator_to_object((spl_filesystem_iterator *)iter);
1724 
1725 	object->u.dir.index = 0;
1726 	if (object->u.dir.dirp) {
1727 		php_stream_rewinddir(object->u.dir.dirp);
1728 	}
1729 	spl_filesystem_dir_read(object);
1730 }
1731 /* }}} */
1732 
1733 /* {{{ spl_filesystem_tree_it_dtor */
spl_filesystem_tree_it_dtor(zend_object_iterator * iter)1734 static void spl_filesystem_tree_it_dtor(zend_object_iterator *iter)
1735 {
1736 	spl_filesystem_iterator *iterator = (spl_filesystem_iterator *)iter;
1737 	zval_ptr_dtor(&iterator->intern.data);
1738 	zval_ptr_dtor(&iterator->current);
1739 }
1740 /* }}} */
1741 
1742 /* {{{ spl_filesystem_tree_it_current_data */
spl_filesystem_tree_it_current_data(zend_object_iterator * iter)1743 static zval *spl_filesystem_tree_it_current_data(zend_object_iterator *iter)
1744 {
1745 	spl_filesystem_iterator *iterator = (spl_filesystem_iterator *)iter;
1746 	spl_filesystem_object   *object   = spl_filesystem_iterator_to_object(iterator);
1747 
1748 	if (SPL_FILE_DIR_CURRENT(object, SPL_FILE_DIR_CURRENT_AS_PATHNAME)) {
1749 		if (Z_ISUNDEF(iterator->current)) {
1750 			if (spl_filesystem_object_get_file_name(object) == FAILURE) {
1751 				return NULL;
1752 			}
1753 			ZVAL_STR_COPY(&iterator->current, object->file_name);
1754 		}
1755 		return &iterator->current;
1756 	} else if (SPL_FILE_DIR_CURRENT(object, SPL_FILE_DIR_CURRENT_AS_FILEINFO)) {
1757 		if (Z_ISUNDEF(iterator->current)) {
1758 			if (spl_filesystem_object_get_file_name(object) == FAILURE) {
1759 				return NULL;
1760 			}
1761 			spl_filesystem_object_create_type(0, object, SPL_FS_INFO, NULL, &iterator->current);
1762 		}
1763 		return &iterator->current;
1764 	} else {
1765 		return &iterator->intern.data;
1766 	}
1767 }
1768 /* }}} */
1769 
1770 /* {{{ spl_filesystem_tree_it_current_key */
spl_filesystem_tree_it_current_key(zend_object_iterator * iter,zval * key)1771 static void spl_filesystem_tree_it_current_key(zend_object_iterator *iter, zval *key)
1772 {
1773 	spl_filesystem_object *object = spl_filesystem_iterator_to_object((spl_filesystem_iterator *)iter);
1774 
1775 	if (SPL_FILE_DIR_KEY(object, SPL_FILE_DIR_KEY_AS_FILENAME)) {
1776 		ZVAL_STRING(key, object->u.dir.entry.d_name);
1777 	} else {
1778 		if (spl_filesystem_object_get_file_name(object) == FAILURE) {
1779 			return;
1780 		}
1781 		ZVAL_STR_COPY(key, object->file_name);
1782 	}
1783 }
1784 /* }}} */
1785 
1786 /* {{{ spl_filesystem_tree_it_move_forward */
spl_filesystem_tree_it_move_forward(zend_object_iterator * iter)1787 static void spl_filesystem_tree_it_move_forward(zend_object_iterator *iter)
1788 {
1789 	spl_filesystem_iterator *iterator = (spl_filesystem_iterator *)iter;
1790 	spl_filesystem_object   *object   = spl_filesystem_iterator_to_object(iterator);
1791 	bool skip_dots = SPL_HAS_FLAG(object->flags, SPL_FILE_DIR_SKIPDOTS);
1792 
1793 	object->u.dir.index++;
1794 	do {
1795 		spl_filesystem_dir_read(object);
1796 	} while (skip_dots && spl_filesystem_is_dot(object->u.dir.entry.d_name));
1797 	if (object->file_name) {
1798 		zend_string_release(object->file_name);
1799 		object->file_name = NULL;
1800 	}
1801 	if (!Z_ISUNDEF(iterator->current)) {
1802 		zval_ptr_dtor(&iterator->current);
1803 		ZVAL_UNDEF(&iterator->current);
1804 	}
1805 }
1806 /* }}} */
1807 
1808 /* {{{ spl_filesystem_tree_it_rewind */
spl_filesystem_tree_it_rewind(zend_object_iterator * iter)1809 static void spl_filesystem_tree_it_rewind(zend_object_iterator *iter)
1810 {
1811 	spl_filesystem_iterator *iterator = (spl_filesystem_iterator *)iter;
1812 	spl_filesystem_object   *object   = spl_filesystem_iterator_to_object(iterator);
1813 	bool skip_dots = SPL_HAS_FLAG(object->flags, SPL_FILE_DIR_SKIPDOTS);
1814 
1815 	object->u.dir.index = 0;
1816 	if (object->u.dir.dirp) {
1817 		php_stream_rewinddir(object->u.dir.dirp);
1818 	}
1819 	do {
1820 		spl_filesystem_dir_read(object);
1821 	} while (skip_dots && spl_filesystem_is_dot(object->u.dir.entry.d_name));
1822 	if (!Z_ISUNDEF(iterator->current)) {
1823 		zval_ptr_dtor(&iterator->current);
1824 		ZVAL_UNDEF(&iterator->current);
1825 	}
1826 }
1827 /* }}} */
1828 
1829 /* {{{ iterator handler table */
1830 static const zend_object_iterator_funcs spl_filesystem_tree_it_funcs = {
1831 	spl_filesystem_tree_it_dtor,
1832 	spl_filesystem_dir_it_valid,
1833 	spl_filesystem_tree_it_current_data,
1834 	spl_filesystem_tree_it_current_key,
1835 	spl_filesystem_tree_it_move_forward,
1836 	spl_filesystem_tree_it_rewind,
1837 	NULL,
1838 	NULL, /* get_gc */
1839 };
1840 /* }}} */
1841 
1842 /* {{{ spl_ce_dir_get_iterator */
spl_filesystem_tree_get_iterator(zend_class_entry * ce,zval * object,int by_ref)1843 static zend_object_iterator *spl_filesystem_tree_get_iterator(zend_class_entry *ce, zval *object, int by_ref)
1844 {
1845 	spl_filesystem_iterator *iterator;
1846 	spl_filesystem_object *dir_object;
1847 
1848 	if (by_ref) {
1849 		zend_throw_error(NULL, "An iterator cannot be used with foreach by reference");
1850 		return NULL;
1851 	}
1852 	dir_object = spl_filesystem_from_obj(Z_OBJ_P(object));
1853 	iterator = spl_filesystem_object_to_iterator(dir_object);
1854 
1855 	ZVAL_OBJ_COPY(&iterator->intern.data, Z_OBJ_P(object));
1856 	iterator->intern.funcs = &spl_filesystem_tree_it_funcs;
1857 
1858 	return &iterator->intern;
1859 }
1860 /* }}} */
1861 
spl_filesystem_file_cannot_read(spl_filesystem_object * intern)1862 static ZEND_COLD void spl_filesystem_file_cannot_read(spl_filesystem_object *intern)
1863 {
1864 	zend_throw_exception_ex(spl_ce_RuntimeException, 0, "Cannot read from file %s", ZSTR_VAL(intern->file_name));
1865 }
1866 
spl_filesystem_file_read_ex(spl_filesystem_object * intern,bool silent,zend_long line_add,bool csv)1867 static zend_result spl_filesystem_file_read_ex(spl_filesystem_object *intern, bool silent, zend_long line_add, bool csv)
1868 {
1869 	char *buf;
1870 	size_t line_len = 0;
1871 
1872 	spl_filesystem_file_free_line(intern);
1873 
1874 	if (php_stream_eof(intern->u.file.stream)) {
1875 		if (!silent) {
1876 			spl_filesystem_file_cannot_read(intern);
1877 		}
1878 		return FAILURE;
1879 	}
1880 
1881 	if (intern->u.file.max_line_len > 0) {
1882 		buf = safe_emalloc((intern->u.file.max_line_len + 1), sizeof(char), 0);
1883 		if (php_stream_get_line(intern->u.file.stream, buf, intern->u.file.max_line_len + 1, &line_len) == NULL) {
1884 			efree(buf);
1885 			buf = NULL;
1886 		} else {
1887 			buf[line_len] = '\0';
1888 		}
1889 	} else {
1890 		buf = php_stream_get_line(intern->u.file.stream, NULL, 0, &line_len);
1891 	}
1892 
1893 	if (!buf) {
1894 		intern->u.file.current_line = estrdup("");
1895 		intern->u.file.current_line_len = 0;
1896 	} else {
1897 		if (!csv && SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_DROP_NEW_LINE)) {
1898 			if (line_len > 0 && buf[line_len - 1] == '\n') {
1899 				line_len--;
1900 				if (line_len > 0 && buf[line_len - 1] == '\r') {
1901 					line_len--;
1902 				}
1903 				buf[line_len] = '\0';
1904 			}
1905 		}
1906 
1907 		intern->u.file.current_line = buf;
1908 		intern->u.file.current_line_len = line_len;
1909 	}
1910 	intern->u.file.current_line_num += line_add;
1911 
1912 	return SUCCESS;
1913 } /* }}} */
1914 
spl_filesystem_file_read(spl_filesystem_object * intern,bool silent,bool csv)1915 static inline zend_result spl_filesystem_file_read(spl_filesystem_object *intern, bool silent, bool csv)
1916 {
1917 	zend_long line_add = (intern->u.file.current_line) ? 1 : 0;
1918 	return spl_filesystem_file_read_ex(intern, silent, line_add, csv);
1919 }
1920 
is_line_empty(spl_filesystem_object * intern)1921 static bool is_line_empty(spl_filesystem_object *intern)
1922 {
1923 	char *current_line = intern->u.file.current_line;
1924 	size_t current_line_len = intern->u.file.current_line_len;
1925 	return current_line_len == 0
1926 		|| ((SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_CSV) && SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_DROP_NEW_LINE)
1927 			&& ((current_line_len == 1 && current_line[0] == '\n')
1928 				|| (current_line_len == 2 && current_line[0] == '\r' && current_line[1] == '\n'))));
1929 }
1930 
spl_filesystem_file_read_csv(spl_filesystem_object * intern,char delimiter,char enclosure,int escape,zval * return_value,bool silent)1931 static zend_result spl_filesystem_file_read_csv(spl_filesystem_object *intern, char delimiter, char enclosure, int escape, zval *return_value, bool silent) /* {{{ */
1932 {
1933 	do {
1934 		zend_result ret = spl_filesystem_file_read(intern, silent, /* csv */ true);
1935 		if (ret != SUCCESS) {
1936 			return ret;
1937 		}
1938 	} while (is_line_empty(intern) && SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_SKIP_EMPTY));
1939 
1940 	size_t buf_len = intern->u.file.current_line_len;
1941 	char *buf = estrndup(intern->u.file.current_line, buf_len);
1942 
1943 	if (!Z_ISUNDEF(intern->u.file.current_zval)) {
1944 		zval_ptr_dtor(&intern->u.file.current_zval);
1945 		ZVAL_UNDEF(&intern->u.file.current_zval);
1946 	}
1947 
1948 	HashTable *values = php_fgetcsv(intern->u.file.stream, delimiter, enclosure, escape, buf_len, buf);
1949 	if (values == NULL) {
1950 		values = php_bc_fgetcsv_empty_line();
1951 	}
1952 	ZVAL_ARR(&intern->u.file.current_zval, values);
1953 	if (return_value) {
1954 		ZVAL_COPY(return_value, &intern->u.file.current_zval);
1955 	}
1956 	return SUCCESS;
1957 }
1958 /* }}} */
1959 
spl_filesystem_file_read_line_ex(zval * this_ptr,spl_filesystem_object * intern,bool silent)1960 static zend_result spl_filesystem_file_read_line_ex(zval * this_ptr, spl_filesystem_object *intern, bool silent) /* {{{ */
1961 {
1962 	zval retval;
1963 
1964 	/* 1) use fgetcsv? 2) overloaded call the function, 3) do it directly */
1965 	if (SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_CSV)) {
1966 		return spl_filesystem_file_read_csv(intern, intern->u.file.delimiter, intern->u.file.enclosure, intern->u.file.escape, NULL, silent);
1967 	}
1968 	if (intern->u.file.func_getCurr->common.scope != spl_ce_SplFileObject) {
1969 		spl_filesystem_file_free_line(intern);
1970 
1971 		if (php_stream_eof(intern->u.file.stream)) {
1972 			if (!silent) {
1973 				spl_filesystem_file_cannot_read(intern);
1974 			}
1975 			return FAILURE;
1976 		}
1977 		zend_call_method_with_0_params(Z_OBJ_P(this_ptr), Z_OBJCE_P(this_ptr), &intern->u.file.func_getCurr, "getCurrentLine", &retval);
1978 		if (Z_ISUNDEF(retval)) {
1979 			return FAILURE;
1980 		}
1981 
1982 		if (Z_TYPE(retval) != IS_STRING) {
1983 			zend_type_error("%s::getCurrentLine(): Return value must be of type string, %s returned",
1984 				ZSTR_VAL(Z_OBJCE_P(this_ptr)->name), zend_zval_value_name(&retval));
1985 			zval_ptr_dtor(&retval);
1986 			return FAILURE;
1987 		}
1988 
1989 		if (intern->u.file.current_line || !Z_ISUNDEF(intern->u.file.current_zval)) {
1990 			intern->u.file.current_line_num++;
1991 		}
1992 		spl_filesystem_file_free_line(intern);
1993 		intern->u.file.current_line = estrndup(Z_STRVAL(retval), Z_STRLEN(retval));
1994 		intern->u.file.current_line_len = Z_STRLEN(retval);
1995 		zval_ptr_dtor(&retval);
1996 		return SUCCESS;
1997 	} else {
1998 		return spl_filesystem_file_read(intern, silent, /* csv */ false);
1999 	}
2000 } /* }}} */
2001 
spl_filesystem_file_read_line(zval * this_ptr,spl_filesystem_object * intern,bool silent)2002 static zend_result spl_filesystem_file_read_line(zval * this_ptr, spl_filesystem_object *intern, bool silent) /* {{{ */
2003 {
2004 	zend_result ret = spl_filesystem_file_read_line_ex(this_ptr, intern, silent);
2005 
2006 	while (SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_SKIP_EMPTY) && ret == SUCCESS && is_line_empty(intern)) {
2007 		spl_filesystem_file_free_line(intern);
2008 		ret = spl_filesystem_file_read_line_ex(this_ptr, intern, silent);
2009 	}
2010 
2011 	return ret;
2012 }
2013 /* }}} */
2014 
spl_filesystem_file_rewind(zval * this_ptr,spl_filesystem_object * intern)2015 static void spl_filesystem_file_rewind(zval * this_ptr, spl_filesystem_object *intern) /* {{{ */
2016 {
2017 	if (!intern->u.file.stream) {
2018 		zend_throw_error(NULL, "Object not initialized");
2019 		return;
2020 	}
2021 	if (-1 == php_stream_rewind(intern->u.file.stream)) {
2022 		zend_throw_exception_ex(spl_ce_RuntimeException, 0, "Cannot rewind file %s", ZSTR_VAL(intern->file_name));
2023 		return;
2024 	}
2025 
2026 	spl_filesystem_file_free_line(intern);
2027 	intern->u.file.current_line_num = 0;
2028 
2029 	if (SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_AHEAD)) {
2030 		spl_filesystem_file_read_line(this_ptr, intern, true);
2031 	}
2032 } /* }}} */
2033 
2034 /* {{{ Construct a new file object */
PHP_METHOD(SplFileObject,__construct)2035 PHP_METHOD(SplFileObject, __construct)
2036 {
2037 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2038 	zend_string *open_mode = ZSTR_CHAR('r');
2039 	bool use_include_path = 0;
2040 	size_t path_len;
2041 	zend_error_handling error_handling;
2042 
2043 	intern->u.file.open_mode = ZSTR_CHAR('r');
2044 
2045 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "P|Sbr!",
2046 			&intern->file_name, &open_mode,
2047 			&use_include_path, &intern->u.file.zcontext) == FAILURE) {
2048 		intern->u.file.open_mode = NULL;
2049 		intern->file_name = NULL;
2050 		RETURN_THROWS();
2051 	}
2052 
2053 	intern->u.file.open_mode = zend_string_copy(open_mode);
2054 
2055 	/* spl_filesystem_file_open() can generate E_WARNINGs which we want to promote to exceptions */
2056 	zend_replace_error_handling(EH_THROW, spl_ce_RuntimeException, &error_handling);
2057 	zend_result retval = spl_filesystem_file_open(intern, use_include_path);
2058 	zend_restore_error_handling(&error_handling);
2059 	if (retval == FAILURE) {
2060 		RETURN_THROWS();
2061 	}
2062 
2063 	path_len = strlen(intern->u.file.stream->orig_path);
2064 
2065 	if (path_len > 1 && IS_SLASH_AT(intern->u.file.stream->orig_path, path_len-1)) {
2066 		path_len--;
2067 	}
2068 
2069 	while (path_len > 1 && !IS_SLASH_AT(intern->u.file.stream->orig_path, path_len-1)) {
2070 		path_len--;
2071 	}
2072 
2073 	if (path_len) {
2074 		path_len--;
2075 	}
2076 
2077 	intern->path = zend_string_init(intern->u.file.stream->orig_path, path_len, 0);
2078 } /* }}} */
2079 
2080 /* {{{ Construct a new temp file object */
PHP_METHOD(SplTempFileObject,__construct)2081 PHP_METHOD(SplTempFileObject, __construct)
2082 {
2083 	zend_string *file_name;
2084 	zend_long max_memory = PHP_STREAM_MAX_MEM;
2085 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2086 	zend_error_handling error_handling;
2087 
2088 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &max_memory) == FAILURE) {
2089 		RETURN_THROWS();
2090 	}
2091 
2092 	if (max_memory < 0) {
2093 		file_name = ZSTR_INIT_LITERAL("php://memory", 0);
2094 	} else if (ZEND_NUM_ARGS()) {
2095 		file_name = zend_strpprintf(0, "php://temp/maxmemory:" ZEND_LONG_FMT, max_memory);
2096 	} else {
2097 		file_name = ZSTR_INIT_LITERAL("php://temp", 0);
2098 	}
2099 	intern->file_name = file_name;
2100 	intern->u.file.open_mode = ZSTR_INIT_LITERAL("wb", 0);
2101 
2102 	/* spl_filesystem_file_open() can generate E_WARNINGs which we want to promote to exceptions */
2103 	zend_replace_error_handling(EH_THROW, spl_ce_RuntimeException, &error_handling);
2104 	if (spl_filesystem_file_open(intern, /* use_include_path */ false) == SUCCESS) {
2105 		intern->path = ZSTR_EMPTY_ALLOC();
2106 	}
2107 	zend_string_release(file_name);
2108 	zend_restore_error_handling(&error_handling);
2109 } /* }}} */
2110 
2111 /* {{{ Rewind the file and read the first line */
PHP_METHOD(SplFileObject,rewind)2112 PHP_METHOD(SplFileObject, rewind)
2113 {
2114 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2115 
2116 	if (zend_parse_parameters_none() == FAILURE) {
2117 		RETURN_THROWS();
2118 	}
2119 
2120 	spl_filesystem_file_rewind(ZEND_THIS, intern);
2121 } /* }}} */
2122 
2123 /* {{{ Return whether end of file is reached */
PHP_METHOD(SplFileObject,eof)2124 PHP_METHOD(SplFileObject, eof)
2125 {
2126 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2127 
2128 	if (zend_parse_parameters_none() == FAILURE) {
2129 		RETURN_THROWS();
2130 	}
2131 
2132 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2133 
2134 	RETURN_BOOL(php_stream_eof(intern->u.file.stream));
2135 } /* }}} */
2136 
2137 /* {{{ Return !eof() */
PHP_METHOD(SplFileObject,valid)2138 PHP_METHOD(SplFileObject, valid)
2139 {
2140 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2141 
2142 	if (zend_parse_parameters_none() == FAILURE) {
2143 		RETURN_THROWS();
2144 	}
2145 
2146 	if (SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_AHEAD)) {
2147 		RETURN_BOOL(intern->u.file.current_line || !Z_ISUNDEF(intern->u.file.current_zval));
2148 	}
2149 	if (!intern->u.file.stream) {
2150 		RETURN_FALSE;
2151 	}
2152 	RETURN_BOOL(!php_stream_eof(intern->u.file.stream));
2153 } /* }}} */
2154 
2155 /* {{{ Return next line from file */
PHP_METHOD(SplFileObject,fgets)2156 PHP_METHOD(SplFileObject, fgets)
2157 {
2158 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2159 
2160 	if (zend_parse_parameters_none() == FAILURE) {
2161 		RETURN_THROWS();
2162 	}
2163 
2164 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2165 
2166 	if (spl_filesystem_file_read_ex(intern, /* silent */ false, /* line_add */ 1, /* csv */ false) == FAILURE) {
2167 		RETURN_THROWS();
2168 	}
2169 	RETURN_STRINGL(intern->u.file.current_line, intern->u.file.current_line_len);
2170 } /* }}} */
2171 
2172 /* {{{ Return current line from file */
PHP_METHOD(SplFileObject,current)2173 PHP_METHOD(SplFileObject, current)
2174 {
2175 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2176 
2177 	if (zend_parse_parameters_none() == FAILURE) {
2178 		RETURN_THROWS();
2179 	}
2180 
2181 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2182 
2183 	if (!intern->u.file.current_line && Z_ISUNDEF(intern->u.file.current_zval)) {
2184 		spl_filesystem_file_read_line(ZEND_THIS, intern, true);
2185 	}
2186 	if (intern->u.file.current_line && (!SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_CSV) || Z_ISUNDEF(intern->u.file.current_zval))) {
2187 		RETURN_STRINGL(intern->u.file.current_line, intern->u.file.current_line_len);
2188 	} else if (!Z_ISUNDEF(intern->u.file.current_zval)) {
2189 		ZEND_ASSERT(!Z_ISREF(intern->u.file.current_zval));
2190 		ZEND_ASSERT(Z_TYPE(intern->u.file.current_zval) == IS_ARRAY);
2191 		RETURN_COPY(&intern->u.file.current_zval);
2192 	}
2193 	RETURN_FALSE;
2194 } /* }}} */
2195 
2196 /* {{{ Return line number */
PHP_METHOD(SplFileObject,key)2197 PHP_METHOD(SplFileObject, key)
2198 {
2199 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2200 
2201 	if (zend_parse_parameters_none() == FAILURE) {
2202 		RETURN_THROWS();
2203 	}
2204 
2205 	/* Do not read the next line to support correct counting with fgetc()
2206 	if (!intern->u.file.current_line) {
2207 		spl_filesystem_file_read_line(ZEND_THIS, intern);
2208 	} */
2209 	RETURN_LONG(intern->u.file.current_line_num);
2210 } /* }}} */
2211 
2212 /* {{{ Read next line */
PHP_METHOD(SplFileObject,next)2213 PHP_METHOD(SplFileObject, next)
2214 {
2215 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2216 
2217 	if (zend_parse_parameters_none() == FAILURE) {
2218 		RETURN_THROWS();
2219 	}
2220 
2221 	spl_filesystem_file_free_line(intern);
2222 	if (SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_AHEAD)) {
2223 		spl_filesystem_file_read_line(ZEND_THIS, intern, true);
2224 	}
2225 	intern->u.file.current_line_num++;
2226 } /* }}} */
2227 
2228 /* {{{ Set file handling flags */
PHP_METHOD(SplFileObject,setFlags)2229 PHP_METHOD(SplFileObject, setFlags)
2230 {
2231 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2232 
2233 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &intern->flags) == FAILURE) {
2234 		RETURN_THROWS();
2235 	}
2236 } /* }}} */
2237 
2238 /* {{{ Get file handling flags */
PHP_METHOD(SplFileObject,getFlags)2239 PHP_METHOD(SplFileObject, getFlags)
2240 {
2241 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2242 
2243 	if (zend_parse_parameters_none() == FAILURE) {
2244 		RETURN_THROWS();
2245 	}
2246 
2247 	RETURN_LONG(intern->flags & SPL_FILE_OBJECT_MASK);
2248 } /* }}} */
2249 
2250 /* {{{ Set maximum line length */
PHP_METHOD(SplFileObject,setMaxLineLen)2251 PHP_METHOD(SplFileObject, setMaxLineLen)
2252 {
2253 	zend_long max_len;
2254 
2255 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2256 
2257 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &max_len) == FAILURE) {
2258 		RETURN_THROWS();
2259 	}
2260 
2261 	if (max_len < 0) {
2262 		zend_argument_value_error(1, "must be greater than or equal to 0");
2263 		RETURN_THROWS();
2264 	}
2265 
2266 	intern->u.file.max_line_len = max_len;
2267 } /* }}} */
2268 
2269 /* {{{ Get maximum line length */
PHP_METHOD(SplFileObject,getMaxLineLen)2270 PHP_METHOD(SplFileObject, getMaxLineLen)
2271 {
2272 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2273 
2274 	if (zend_parse_parameters_none() == FAILURE) {
2275 		RETURN_THROWS();
2276 	}
2277 
2278 	RETURN_LONG((zend_long)intern->u.file.max_line_len);
2279 } /* }}} */
2280 
2281 /* {{{ Return false */
PHP_METHOD(SplFileObject,hasChildren)2282 PHP_METHOD(SplFileObject, hasChildren)
2283 {
2284 	if (zend_parse_parameters_none() == FAILURE) {
2285 		RETURN_THROWS();
2286 	}
2287 
2288 	RETURN_FALSE;
2289 } /* }}} */
2290 
2291 /* {{{ Read NULL */
PHP_METHOD(SplFileObject,getChildren)2292 PHP_METHOD(SplFileObject, getChildren)
2293 {
2294 	if (zend_parse_parameters_none() == FAILURE) {
2295 		RETURN_THROWS();
2296 	}
2297 	/* return NULL */
2298 } /* }}} */
2299 
2300 /* {{{ Return current line as CSV */
PHP_METHOD(SplFileObject,fgetcsv)2301 PHP_METHOD(SplFileObject, fgetcsv)
2302 {
2303 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2304 	char delimiter = intern->u.file.delimiter, enclosure = intern->u.file.enclosure;
2305 	int escape = intern->u.file.escape;
2306 	char *delim = NULL, *enclo = NULL, *esc = NULL;
2307 	size_t d_len = 0, e_len = 0, esc_len = 0;
2308 
2309 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|sss", &delim, &d_len, &enclo, &e_len, &esc, &esc_len) == FAILURE) {
2310 		RETURN_THROWS();
2311 	}
2312 
2313 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2314 
2315 	if (delim) {
2316 		if (d_len != 1) {
2317 			zend_argument_value_error(1, "must be a single character");
2318 			RETURN_THROWS();
2319 		}
2320 		delimiter = delim[0];
2321 	}
2322 	if (enclo) {
2323 		if (e_len != 1) {
2324 			zend_argument_value_error(2, "must be a single character");
2325 			RETURN_THROWS();
2326 		}
2327 		enclosure = enclo[0];
2328 	}
2329 	if (esc) {
2330 		if (esc_len > 1) {
2331 			zend_argument_value_error(3, "must be empty or a single character");
2332 			RETURN_THROWS();
2333 		}
2334 		if (esc_len == 0) {
2335 			escape = PHP_CSV_NO_ESCAPE;
2336 		} else {
2337 			escape = (unsigned char) esc[0];
2338 		}
2339 	}
2340 
2341 	if (spl_filesystem_file_read_csv(intern, delimiter, enclosure, escape, return_value, true) == FAILURE) {
2342 		RETURN_FALSE;
2343 	}
2344 }
2345 /* }}} */
2346 
2347 /* {{{ Output a field array as a CSV line */
PHP_METHOD(SplFileObject,fputcsv)2348 PHP_METHOD(SplFileObject, fputcsv)
2349 {
2350 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2351 	char delimiter = intern->u.file.delimiter, enclosure = intern->u.file.enclosure;
2352 	int escape = intern->u.file.escape;
2353 	char *delim = NULL, *enclo = NULL, *esc = NULL;
2354 	size_t d_len = 0, e_len = 0, esc_len = 0;
2355 	zend_long ret;
2356 	zval *fields = NULL;
2357 	zend_string *eol = NULL;
2358 
2359 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "a|sssS", &fields, &delim, &d_len, &enclo, &e_len, &esc, &esc_len, &eol) == FAILURE) {
2360 		RETURN_THROWS();
2361 	}
2362 
2363 	if (delim) {
2364 		if (d_len != 1) {
2365 			zend_argument_value_error(2, "must be a single character");
2366 			RETURN_THROWS();
2367 		}
2368 		delimiter = delim[0];
2369 	}
2370 	if (enclo) {
2371 		if (e_len != 1) {
2372 			zend_argument_value_error(3, "must be a single character");
2373 			RETURN_THROWS();
2374 		}
2375 		enclosure = enclo[0];
2376 	}
2377 	if (esc) {
2378 		if (esc_len > 1) {
2379 			zend_argument_value_error(4, "must be empty or a single character");
2380 			RETURN_THROWS();
2381 		}
2382 		if (esc_len == 0) {
2383 			escape = PHP_CSV_NO_ESCAPE;
2384 		} else {
2385 			escape = (unsigned char) esc[0];
2386 		}
2387 	}
2388 
2389 	ret = php_fputcsv(intern->u.file.stream, fields, delimiter, enclosure, escape, eol);
2390 	if (ret < 0) {
2391 		RETURN_FALSE;
2392 	}
2393 	RETURN_LONG(ret);
2394 }
2395 /* }}} */
2396 
2397 /* {{{ Set the delimiter, enclosure and escape character used in fgetcsv */
PHP_METHOD(SplFileObject,setCsvControl)2398 PHP_METHOD(SplFileObject, setCsvControl)
2399 {
2400 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2401 	char delimiter = ',', enclosure = '"';
2402 	int escape = (unsigned char) '\\';
2403 	char *delim = NULL, *enclo = NULL, *esc = NULL;
2404 	size_t d_len = 0, e_len = 0, esc_len = 0;
2405 
2406 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|sss", &delim, &d_len, &enclo, &e_len, &esc, &esc_len) == FAILURE) {
2407 		RETURN_THROWS();
2408 	}
2409 
2410 	if (delim) {
2411 		if (d_len != 1) {
2412 			zend_argument_value_error(1, "must be a single character");
2413 			RETURN_THROWS();
2414 		}
2415 		delimiter = delim[0];
2416 	}
2417 	if (enclo) {
2418 		if (e_len != 1) {
2419 			zend_argument_value_error(2, "must be a single character");
2420 			RETURN_THROWS();
2421 		}
2422 		enclosure = enclo[0];
2423 	}
2424 	if (esc) {
2425 		if (esc_len > 1) {
2426 			zend_argument_value_error(3, "must be empty or a single character");
2427 			RETURN_THROWS();
2428 		}
2429 		if (esc_len == 0) {
2430 			escape = PHP_CSV_NO_ESCAPE;
2431 		} else {
2432 			escape = (unsigned char) esc[0];
2433 		}
2434 	}
2435 
2436 	intern->u.file.delimiter = delimiter;
2437 	intern->u.file.enclosure = enclosure;
2438 	intern->u.file.escape    = escape;
2439 }
2440 /* }}} */
2441 
2442 /* {{{ Get the delimiter, enclosure and escape character used in fgetcsv */
PHP_METHOD(SplFileObject,getCsvControl)2443 PHP_METHOD(SplFileObject, getCsvControl)
2444 {
2445 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2446 	char delimiter[2], enclosure[2], escape[2];
2447 
2448 	if (zend_parse_parameters_none() == FAILURE) {
2449 		RETURN_THROWS();
2450 	}
2451 
2452 	array_init(return_value);
2453 
2454 	delimiter[0] = intern->u.file.delimiter;
2455 	delimiter[1] = '\0';
2456 	enclosure[0] = intern->u.file.enclosure;
2457 	enclosure[1] = '\0';
2458 	if (intern->u.file.escape == PHP_CSV_NO_ESCAPE) {
2459 		escape[0] = '\0';
2460 	} else {
2461 		escape[0] = (unsigned char) intern->u.file.escape;
2462 		escape[1] = '\0';
2463 	}
2464 
2465 	add_next_index_string(return_value, delimiter);
2466 	add_next_index_string(return_value, enclosure);
2467 	add_next_index_string(return_value, escape);
2468 }
2469 /* }}} */
2470 
2471 /* {{{ Portable file locking */
PHP_METHOD(SplFileObject,flock)2472 PHP_METHOD(SplFileObject, flock)
2473 {
2474 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2475 	zval *wouldblock = NULL;
2476 	zend_long operation = 0;
2477 
2478 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l|z", &operation, &wouldblock) == FAILURE) {
2479 		RETURN_THROWS();
2480 	}
2481 
2482 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2483 
2484 	php_flock_common(intern->u.file.stream, operation, 1, wouldblock, return_value);
2485 }
2486 /* }}} */
2487 
2488 /* {{{ Flush the file */
PHP_METHOD(SplFileObject,fflush)2489 PHP_METHOD(SplFileObject, fflush)
2490 {
2491 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2492 
2493 	if (zend_parse_parameters_none() == FAILURE) {
2494 		RETURN_THROWS();
2495 	}
2496 
2497 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2498 
2499 	RETURN_BOOL(!php_stream_flush(intern->u.file.stream));
2500 } /* }}} */
2501 
2502 /* {{{ Return current file position */
PHP_METHOD(SplFileObject,ftell)2503 PHP_METHOD(SplFileObject, ftell)
2504 {
2505 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2506 	zend_long ret;
2507 
2508 	if (zend_parse_parameters_none() == FAILURE) {
2509 		RETURN_THROWS();
2510 	}
2511 
2512 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2513 
2514 	ret = php_stream_tell(intern->u.file.stream);
2515 
2516 	if (ret == -1) {
2517 		RETURN_FALSE;
2518 	} else {
2519 		RETURN_LONG(ret);
2520 	}
2521 } /* }}} */
2522 
2523 /* {{{ Seek to a position */
PHP_METHOD(SplFileObject,fseek)2524 PHP_METHOD(SplFileObject, fseek)
2525 {
2526 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2527 	zend_long pos, whence = SEEK_SET;
2528 
2529 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l|l", &pos, &whence) == FAILURE) {
2530 		RETURN_THROWS();
2531 	}
2532 
2533 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2534 
2535 	spl_filesystem_file_free_line(intern);
2536 	RETURN_LONG(php_stream_seek(intern->u.file.stream, pos, (int)whence));
2537 } /* }}} */
2538 
2539 /* {{{ Get a character from the file */
PHP_METHOD(SplFileObject,fgetc)2540 PHP_METHOD(SplFileObject, fgetc)
2541 {
2542 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2543 	char buf[2];
2544 	int result;
2545 
2546 	if (zend_parse_parameters_none() == FAILURE) {
2547 		RETURN_THROWS();
2548 	}
2549 
2550 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2551 
2552 	spl_filesystem_file_free_line(intern);
2553 
2554 	result = php_stream_getc(intern->u.file.stream);
2555 
2556 	if (result == EOF) {
2557 		RETURN_FALSE;
2558 	}
2559 	if (result == '\n') {
2560 		intern->u.file.current_line_num++;
2561 	}
2562 	buf[0] = result;
2563 	buf[1] = '\0';
2564 
2565 	RETURN_STRINGL(buf, 1);
2566 } /* }}} */
2567 
2568 /* {{{ Output all remaining data from a file pointer */
PHP_METHOD(SplFileObject,fpassthru)2569 PHP_METHOD(SplFileObject, fpassthru)
2570 {
2571 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2572 
2573 	if (zend_parse_parameters_none() == FAILURE) {
2574 		RETURN_THROWS();
2575 	}
2576 
2577 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2578 
2579 	RETURN_LONG(php_stream_passthru(intern->u.file.stream));
2580 } /* }}} */
2581 
2582 /* {{{ Implements a mostly ANSI compatible fscanf() */
PHP_METHOD(SplFileObject,fscanf)2583 PHP_METHOD(SplFileObject, fscanf)
2584 {
2585 	int result, num_varargs = 0;
2586 	zend_string *format_str;
2587 	zval *varargs= NULL;
2588 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2589 
2590 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "S*", &format_str, &varargs, &num_varargs) == FAILURE) {
2591 		RETURN_THROWS();
2592 	}
2593 
2594 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2595 
2596 	/* Get next line */
2597 	if (spl_filesystem_file_read(intern, /* silent */ false, /* csv */ false) == FAILURE) {
2598 		RETURN_THROWS();
2599 	}
2600 
2601 	result = php_sscanf_internal(intern->u.file.current_line, ZSTR_VAL(format_str), num_varargs, varargs, 0, return_value);
2602 
2603 	if (SCAN_ERROR_WRONG_PARAM_COUNT == result) {
2604 		WRONG_PARAM_COUNT;
2605 	}
2606 }
2607 /* }}} */
2608 
2609 /* {{{ Binary-safe file write */
PHP_METHOD(SplFileObject,fwrite)2610 PHP_METHOD(SplFileObject, fwrite)
2611 {
2612 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2613 	char *str;
2614 	size_t str_len;
2615 	zend_long length = 0;
2616 	ssize_t written;
2617 
2618 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|l", &str, &str_len, &length) == FAILURE) {
2619 		RETURN_THROWS();
2620 	}
2621 
2622 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2623 
2624 	if (ZEND_NUM_ARGS() > 1) {
2625 		if (length >= 0) {
2626 			str_len = MIN((size_t)length, str_len);
2627 		} else {
2628 			/* Negative length given, nothing to write */
2629 			str_len = 0;
2630 		}
2631 	}
2632 	if (!str_len) {
2633 		RETURN_LONG(0);
2634 	}
2635 
2636 	written = php_stream_write(intern->u.file.stream, str, str_len);
2637 	if (written < 0) {
2638 		RETURN_FALSE;
2639 	}
2640 	RETURN_LONG(written);
2641 } /* }}} */
2642 
PHP_METHOD(SplFileObject,fread)2643 PHP_METHOD(SplFileObject, fread)
2644 {
2645 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2646 	zend_long length = 0;
2647 	zend_string *str;
2648 
2649 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &length) == FAILURE) {
2650 		RETURN_THROWS();
2651 	}
2652 
2653 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2654 
2655 	if (length <= 0) {
2656 		zend_argument_value_error(1, "must be greater than 0");
2657 		RETURN_THROWS();
2658 	}
2659 
2660 	str = php_stream_read_to_str(intern->u.file.stream, length);
2661 	if (!str) {
2662 		RETURN_FALSE;
2663 	}
2664 	RETURN_STR(str);
2665 }
2666 
2667 /* {{{ Stat() on a filehandle */
PHP_METHOD(SplFileObject,fstat)2668 PHP_METHOD(SplFileObject, fstat)
2669 {
2670 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2671 
2672 	if (zend_parse_parameters_none() == FAILURE) {
2673 		RETURN_THROWS();
2674 	}
2675 
2676 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2677 
2678 	php_fstat(intern->u.file.stream, return_value);
2679 }
2680 /* }}} */
2681 
2682 /* {{{ Truncate file to 'size' length */
PHP_METHOD(SplFileObject,ftruncate)2683 PHP_METHOD(SplFileObject, ftruncate)
2684 {
2685 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2686 	zend_long size;
2687 
2688 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &size) == FAILURE) {
2689 		RETURN_THROWS();
2690 	}
2691 
2692 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2693 
2694 	if (!php_stream_truncate_supported(intern->u.file.stream)) {
2695 		zend_throw_exception_ex(spl_ce_LogicException, 0, "Can't truncate file %s", ZSTR_VAL(intern->file_name));
2696 		RETURN_THROWS();
2697 	}
2698 
2699 	RETURN_BOOL(0 == php_stream_truncate_set_size(intern->u.file.stream, size));
2700 } /* }}} */
2701 
2702 /* {{{ Seek to specified line */
PHP_METHOD(SplFileObject,seek)2703 PHP_METHOD(SplFileObject, seek)
2704 {
2705 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2706 	zend_long line_pos, i;
2707 
2708 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &line_pos) == FAILURE) {
2709 		RETURN_THROWS();
2710 	}
2711 
2712 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2713 
2714 	if (line_pos < 0) {
2715 		zend_argument_value_error(1, "must be greater than or equal to 0");
2716 		RETURN_THROWS();
2717 	}
2718 
2719 	spl_filesystem_file_rewind(ZEND_THIS, intern);
2720 
2721 	for (i = 0; i < line_pos; i++) {
2722 		if (spl_filesystem_file_read_line(ZEND_THIS, intern, true) == FAILURE) {
2723 			return;
2724 		}
2725 	}
2726 	if (line_pos > 0 && !SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_AHEAD)) {
2727 		intern->u.file.current_line_num++;
2728 		spl_filesystem_file_free_line(intern);
2729 	}
2730 } /* }}} */
2731 
PHP_METHOD(SplFileObject,__toString)2732 PHP_METHOD(SplFileObject, __toString)
2733 {
2734 	if (zend_parse_parameters_none() == FAILURE) {
2735 		RETURN_THROWS();
2736 	}
2737 
2738 	spl_filesystem_object *intern = spl_filesystem_from_obj(Z_OBJ_P(ZEND_THIS));
2739 
2740 	CHECK_SPL_FILE_OBJECT_IS_INITIALIZED(intern);
2741 
2742 	if (!intern->u.file.current_line) {
2743 		ZEND_ASSERT(Z_ISUNDEF(intern->u.file.current_zval));
2744 		zend_result result = spl_filesystem_file_read_line(ZEND_THIS, intern, false);
2745 		if (UNEXPECTED(result != SUCCESS)) {
2746 			RETURN_THROWS();
2747 		}
2748 	}
2749 
2750 	RETURN_STRINGL(intern->u.file.current_line, intern->u.file.current_line_len);
2751 }
2752 
2753 /* {{{ PHP_MINIT_FUNCTION(spl_directory) */
PHP_MINIT_FUNCTION(spl_directory)2754 PHP_MINIT_FUNCTION(spl_directory)
2755 {
2756 	spl_ce_SplFileInfo = register_class_SplFileInfo(zend_ce_stringable);
2757 	spl_ce_SplFileInfo->create_object = spl_filesystem_object_new;
2758 	spl_ce_SplFileInfo->default_object_handlers = &spl_filesystem_object_handlers;
2759 
2760 	memcpy(&spl_filesystem_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
2761 	spl_filesystem_object_handlers.offset = XtOffsetOf(spl_filesystem_object, std);
2762 	spl_filesystem_object_handlers.clone_obj = spl_filesystem_object_clone;
2763 	spl_filesystem_object_handlers.dtor_obj = spl_filesystem_object_destroy_object;
2764 	spl_filesystem_object_handlers.free_obj = spl_filesystem_object_free_storage;
2765 
2766 	spl_ce_DirectoryIterator = register_class_DirectoryIterator(spl_ce_SplFileInfo, spl_ce_SeekableIterator);
2767 	spl_ce_DirectoryIterator->create_object = spl_filesystem_object_new;
2768 	spl_ce_DirectoryIterator->get_iterator = spl_filesystem_dir_get_iterator;
2769 
2770 	spl_ce_FilesystemIterator = register_class_FilesystemIterator(spl_ce_DirectoryIterator);
2771 	spl_ce_FilesystemIterator->create_object = spl_filesystem_object_new;
2772 	spl_ce_FilesystemIterator->get_iterator = spl_filesystem_tree_get_iterator;
2773 
2774 	spl_ce_RecursiveDirectoryIterator = register_class_RecursiveDirectoryIterator(spl_ce_FilesystemIterator, spl_ce_RecursiveIterator);
2775 	spl_ce_RecursiveDirectoryIterator->create_object = spl_filesystem_object_new;
2776 
2777 	memcpy(&spl_filesystem_object_check_handlers, &spl_filesystem_object_handlers, sizeof(zend_object_handlers));
2778 	spl_filesystem_object_check_handlers.clone_obj = NULL;
2779 	spl_filesystem_object_check_handlers.get_method = spl_filesystem_object_get_method_check;
2780 
2781 #ifdef HAVE_GLOB
2782 	spl_ce_GlobIterator = register_class_GlobIterator(spl_ce_FilesystemIterator, zend_ce_countable);
2783 	spl_ce_GlobIterator->create_object = spl_filesystem_object_new;
2784 	spl_ce_GlobIterator->default_object_handlers = &spl_filesystem_object_check_handlers;
2785 #endif
2786 
2787 	spl_ce_SplFileObject = register_class_SplFileObject(spl_ce_SplFileInfo, spl_ce_RecursiveIterator, spl_ce_SeekableIterator);
2788 	spl_ce_SplFileObject->default_object_handlers = &spl_filesystem_object_check_handlers;
2789 	spl_ce_SplFileObject->create_object = spl_filesystem_object_new;
2790 
2791 	spl_ce_SplTempFileObject = register_class_SplTempFileObject(spl_ce_SplFileObject);
2792 	spl_ce_SplTempFileObject->create_object = spl_filesystem_object_new;
2793 
2794 	return SUCCESS;
2795 }
2796 /* }}} */
2797