xref: /php-src/ext/phar/phar_object.c (revision 6a8d0a05)
1 /*
2   +----------------------------------------------------------------------+
3   | phar php single-file executable PHP extension                        |
4   +----------------------------------------------------------------------+
5   | Copyright (c) The PHP Group                                          |
6   +----------------------------------------------------------------------+
7   | This source file is subject to version 3.01 of the PHP license,      |
8   | that is bundled with this package in the file LICENSE, and is        |
9   | available through the world-wide-web at the following url:           |
10   | https://www.php.net/license/3_01.txt                                 |
11   | If you did not receive a copy of the PHP license and are unable to   |
12   | obtain it through the world-wide-web, please send a note to          |
13   | license@php.net so we can mail you a copy immediately.               |
14   +----------------------------------------------------------------------+
15   | Authors: Gregory Beaver <cellog@php.net>                             |
16   |          Marcus Boerger <helly@php.net>                              |
17   +----------------------------------------------------------------------+
18 */
19 
20 #include "phar_internal.h"
21 #include "func_interceptors.h"
22 #include "phar_object_arginfo.h"
23 #include "ext/spl/spl_array.h"
24 #include "ext/spl/spl_exceptions.h"
25 #include "ext/spl/spl_iterators.h"
26 #include "ext/standard/php_var.h"
27 #include "main/SAPI.h"
28 #include "zend_exceptions.h"
29 #include "zend_interfaces.h"
30 #include "zend_exceptions.h"
31 
32 static zend_class_entry *phar_ce_archive;
33 static zend_class_entry *phar_ce_data;
34 static zend_class_entry *phar_ce_PharException;
35 static zend_class_entry *phar_ce_entry;
36 
phar_file_type(HashTable * mimes,char * file,char ** mime_type)37 static int phar_file_type(HashTable *mimes, char *file, char **mime_type) /* {{{ */
38 {
39 	char *ext;
40 	phar_mime_type *mime;
41 	ext = strrchr(file, '.');
42 	if (!ext) {
43 		*mime_type = "text/plain";
44 		/* no file extension = assume text/plain */
45 		return PHAR_MIME_OTHER;
46 	}
47 	++ext;
48 	if (NULL == (mime = zend_hash_str_find_ptr(mimes, ext, strlen(ext)))) {
49 		*mime_type = "application/octet-stream";
50 		return PHAR_MIME_OTHER;
51 	}
52 	*mime_type = mime->mime;
53 	return mime->type;
54 }
55 /* }}} */
56 
phar_mung_server_vars(char * fname,char * entry,size_t entry_len,char * basename,size_t request_uri_len)57 static void phar_mung_server_vars(char *fname, char *entry, size_t entry_len, char *basename, size_t request_uri_len) /* {{{ */
58 {
59 	HashTable *_SERVER;
60 	zval *stuff;
61 	char *path_info;
62 	size_t basename_len = strlen(basename);
63 	size_t code;
64 	zval temp;
65 
66 	/* "tweak" $_SERVER variables requested in earlier call to Phar::mungServer() */
67 	if (Z_TYPE(PG(http_globals)[TRACK_VARS_SERVER]) == IS_UNDEF) {
68 		return;
69 	}
70 
71 	_SERVER = Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER]);
72 
73 	/* PATH_INFO and PATH_TRANSLATED should always be munged */
74 	if (NULL != (stuff = zend_hash_str_find(_SERVER, "PATH_INFO", sizeof("PATH_INFO")-1))) {
75 		path_info = Z_STRVAL_P(stuff);
76 		code = Z_STRLEN_P(stuff);
77 		if (code > (size_t)entry_len && !memcmp(path_info, entry, entry_len)) {
78 			ZVAL_STR(&temp, Z_STR_P(stuff));
79 			ZVAL_STRINGL(stuff, path_info + entry_len, request_uri_len);
80 			zend_hash_str_update(_SERVER, "PHAR_PATH_INFO", sizeof("PHAR_PATH_INFO")-1, &temp);
81 		}
82 	}
83 
84 	if (NULL != (stuff = zend_hash_str_find(_SERVER, "PATH_TRANSLATED", sizeof("PATH_TRANSLATED")-1))) {
85 		zend_string *str = strpprintf(4096, "phar://%s%s", fname, entry);
86 
87 		ZVAL_STR(&temp, Z_STR_P(stuff));
88 		ZVAL_NEW_STR(stuff, str);
89 
90 		zend_hash_str_update(_SERVER, "PHAR_PATH_TRANSLATED", sizeof("PHAR_PATH_TRANSLATED")-1, &temp);
91 	}
92 
93 	if (!PHAR_G(phar_SERVER_mung_list)) {
94 		return;
95 	}
96 
97 	if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_REQUEST_URI) {
98 		if (NULL != (stuff = zend_hash_str_find(_SERVER, "REQUEST_URI", sizeof("REQUEST_URI")-1))) {
99 			path_info = Z_STRVAL_P(stuff);
100 			code = Z_STRLEN_P(stuff);
101 			if (code > basename_len && !memcmp(path_info, basename, basename_len)) {
102 				ZVAL_STR(&temp, Z_STR_P(stuff));
103 				ZVAL_STRINGL(stuff, path_info + basename_len, code - basename_len);
104 				zend_hash_str_update(_SERVER, "PHAR_REQUEST_URI", sizeof("PHAR_REQUEST_URI")-1, &temp);
105 			}
106 		}
107 	}
108 
109 	if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_PHP_SELF) {
110 		if (NULL != (stuff = zend_hash_str_find(_SERVER, "PHP_SELF", sizeof("PHP_SELF")-1))) {
111 			path_info = Z_STRVAL_P(stuff);
112 			code = Z_STRLEN_P(stuff);
113 
114 			if (code > basename_len && !memcmp(path_info, basename, basename_len)) {
115 				ZVAL_STR(&temp, Z_STR_P(stuff));
116 				ZVAL_STRINGL(stuff, path_info + basename_len, code - basename_len);
117 				zend_hash_str_update(_SERVER, "PHAR_PHP_SELF", sizeof("PHAR_PHP_SELF")-1, &temp);
118 			}
119 		}
120 	}
121 
122 	if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_SCRIPT_NAME) {
123 		if (NULL != (stuff = zend_hash_str_find(_SERVER, "SCRIPT_NAME", sizeof("SCRIPT_NAME")-1))) {
124 			ZVAL_STR(&temp, Z_STR_P(stuff));
125 			ZVAL_STRINGL(stuff, entry, entry_len);
126 			zend_hash_str_update(_SERVER, "PHAR_SCRIPT_NAME", sizeof("PHAR_SCRIPT_NAME")-1, &temp);
127 		}
128 	}
129 
130 	if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_SCRIPT_FILENAME) {
131 		if (NULL != (stuff = zend_hash_str_find(_SERVER, "SCRIPT_FILENAME", sizeof("SCRIPT_FILENAME")-1))) {
132 			zend_string *str = strpprintf(4096, "phar://%s%s", fname, entry);
133 
134 			ZVAL_STR(&temp, Z_STR_P(stuff));
135 			ZVAL_NEW_STR(stuff, str);
136 
137 			zend_hash_str_update(_SERVER, "PHAR_SCRIPT_FILENAME", sizeof("PHAR_SCRIPT_FILENAME")-1, &temp);
138 		}
139 	}
140 }
141 /* }}} */
142 
phar_file_action(phar_archive_data * phar,phar_entry_info * info,char * mime_type,int code,char * entry,size_t entry_len,char * arch,char * basename,char * ru,size_t ru_len)143 static int phar_file_action(phar_archive_data *phar, phar_entry_info *info, char *mime_type, int code, char *entry, size_t entry_len, char *arch, char *basename, char *ru, size_t ru_len) /* {{{ */
144 {
145 	char *name = NULL, buf[8192];
146 	const char *cwd;
147 	zend_syntax_highlighter_ini syntax_highlighter_ini;
148 	sapi_header_line ctr = {0};
149 	size_t got;
150 	zval dummy;
151 	size_t name_len;
152 	zend_file_handle file_handle;
153 	zend_op_array *new_op_array;
154 	zval result;
155 	php_stream *fp;
156 	zend_off_t position;
157 
158 	switch (code) {
159 		case PHAR_MIME_PHPS:
160 			efree(basename);
161 			/* highlight source */
162 			if (entry[0] == '/') {
163 				spprintf(&name, 4096, "phar://%s%s", arch, entry);
164 			} else {
165 				spprintf(&name, 4096, "phar://%s/%s", arch, entry);
166 			}
167 			php_get_highlight_struct(&syntax_highlighter_ini);
168 
169 			highlight_file(name, &syntax_highlighter_ini);
170 
171 			efree(name);
172 #ifdef PHP_WIN32
173 			efree(arch);
174 #endif
175 			zend_bailout();
176 		case PHAR_MIME_OTHER:
177 			/* send headers, output file contents */
178 			efree(basename);
179 			ctr.line_len = spprintf((char **) &(ctr.line), 0, "Content-type: %s", mime_type);
180 			sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
181 			efree((void *) ctr.line);
182 			ctr.line_len = spprintf((char **) &(ctr.line), 0, "Content-length: %u", info->uncompressed_filesize);
183 			sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
184 			efree((void *) ctr.line);
185 
186 			if (FAILURE == sapi_send_headers()) {
187 				zend_bailout();
188 			}
189 
190 			/* prepare to output  */
191 			fp = phar_get_efp(info, 1);
192 
193 			if (!fp) {
194 				char *error;
195 				if (!phar_open_jit(phar, info, &error)) {
196 					if (error) {
197 						zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
198 						efree(error);
199 					}
200 					return -1;
201 				}
202 				fp = phar_get_efp(info, 1);
203 			}
204 			position = 0;
205 			phar_seek_efp(info, 0, SEEK_SET, 0, 1);
206 
207 			do {
208 				got = php_stream_read(fp, buf, MIN(8192, info->uncompressed_filesize - position));
209 				if (got > 0) {
210 					PHPWRITE(buf, got);
211 					position += got;
212 					if (position == (zend_off_t) info->uncompressed_filesize) {
213 						break;
214 					}
215 				}
216 			} while (1);
217 
218 			zend_bailout();
219 		case PHAR_MIME_PHP:
220 			if (basename) {
221 				phar_mung_server_vars(arch, entry, entry_len, basename, ru_len);
222 				efree(basename);
223 			}
224 
225 			if (entry[0] == '/') {
226 				name_len = spprintf(&name, 4096, "phar://%s%s", arch, entry);
227 			} else {
228 				name_len = spprintf(&name, 4096, "phar://%s/%s", arch, entry);
229 			}
230 
231 			zend_stream_init_filename(&file_handle, name);
232 
233 			PHAR_G(cwd) = NULL;
234 			PHAR_G(cwd_len) = 0;
235 
236 			ZVAL_NULL(&dummy);
237 			if (zend_hash_str_add(&EG(included_files), name, name_len, &dummy) != NULL) {
238 				if ((cwd = zend_memrchr(entry, '/', entry_len))) {
239 					PHAR_G(cwd_init) = 1;
240 					if (entry == cwd) {
241 						/* root directory */
242 						PHAR_G(cwd_len) = 0;
243 						PHAR_G(cwd) = NULL;
244 					} else if (entry[0] == '/') {
245 						PHAR_G(cwd_len) = (cwd - (entry + 1));
246 						PHAR_G(cwd) = estrndup(entry + 1, PHAR_G(cwd_len));
247 					} else {
248 						PHAR_G(cwd_len) = (cwd - entry);
249 						PHAR_G(cwd) = estrndup(entry, PHAR_G(cwd_len));
250 					}
251 				}
252 
253 				new_op_array = zend_compile_file(&file_handle, ZEND_REQUIRE);
254 
255 				if (!new_op_array) {
256 					zend_hash_str_del(&EG(included_files), name, name_len);
257 				}
258 			} else {
259 				efree(name);
260 				new_op_array = NULL;
261 			}
262 
263 			zend_destroy_file_handle(&file_handle);
264 #ifdef PHP_WIN32
265 			efree(arch);
266 #endif
267 			if (new_op_array) {
268 				ZVAL_UNDEF(&result);
269 
270 				zend_try {
271 					zend_execute(new_op_array, &result);
272 					if (PHAR_G(cwd)) {
273 						efree(PHAR_G(cwd));
274 						PHAR_G(cwd) = NULL;
275 						PHAR_G(cwd_len) = 0;
276 					}
277 
278 					PHAR_G(cwd_init) = 0;
279 					efree(name);
280 					destroy_op_array(new_op_array);
281 					efree(new_op_array);
282 					zval_ptr_dtor(&result);
283 				} zend_catch {
284 					if (PHAR_G(cwd)) {
285 						efree(PHAR_G(cwd));
286 						PHAR_G(cwd) = NULL;
287 						PHAR_G(cwd_len) = 0;
288 					}
289 
290 					PHAR_G(cwd_init) = 0;
291 					efree(name);
292 				} zend_end_try();
293 
294 				zend_bailout();
295 			}
296 
297 			return PHAR_MIME_PHP;
298 	}
299 	return -1;
300 }
301 /* }}} */
302 
phar_do_403(char * entry,size_t entry_len)303 static void phar_do_403(char *entry, size_t entry_len) /* {{{ */
304 {
305 	sapi_header_line ctr = {0};
306 
307 	ctr.response_code = 403;
308 	ctr.line_len = sizeof("HTTP/1.0 403 Access Denied")-1;
309 	ctr.line = "HTTP/1.0 403 Access Denied";
310 	sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
311 	sapi_send_headers();
312 	PHPWRITE("<html>\n <head>\n  <title>Access Denied</title>\n </head>\n <body>\n  <h1>403 - File ", sizeof("<html>\n <head>\n  <title>Access Denied</title>\n </head>\n <body>\n  <h1>403 - File ") - 1);
313 	PHPWRITE("Access Denied</h1>\n </body>\n</html>", sizeof("Access Denied</h1>\n </body>\n</html>") - 1);
314 }
315 /* }}} */
316 
phar_do_404(phar_archive_data * phar,char * fname,size_t fname_len,char * f404,size_t f404_len,char * entry,size_t entry_len)317 static void phar_do_404(phar_archive_data *phar, char *fname, size_t fname_len, char *f404, size_t f404_len, char *entry, size_t entry_len) /* {{{ */
318 {
319 	sapi_header_line ctr = {0};
320 	phar_entry_info	*info;
321 
322 	if (phar && f404_len) {
323 		info = phar_get_entry_info(phar, f404, f404_len, NULL, 1);
324 
325 		if (info) {
326 			phar_file_action(phar, info, "text/html", PHAR_MIME_PHP, f404, f404_len, fname, NULL, NULL, 0);
327 			return;
328 		}
329 	}
330 
331 	ctr.response_code = 404;
332 	ctr.line_len = sizeof("HTTP/1.0 404 Not Found")-1;
333 	ctr.line = "HTTP/1.0 404 Not Found";
334 	sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
335 	sapi_send_headers();
336 	PHPWRITE("<html>\n <head>\n  <title>File Not Found</title>\n </head>\n <body>\n  <h1>404 - File ", sizeof("<html>\n <head>\n  <title>File Not Found</title>\n </head>\n <body>\n  <h1>404 - File ") - 1);
337 	PHPWRITE("Not Found</h1>\n </body>\n</html>",  sizeof("Not Found</h1>\n </body>\n</html>") - 1);
338 }
339 /* }}} */
340 
341 /* post-process REQUEST_URI and retrieve the actual request URI.  This is for
342    cases like http://localhost/blah.phar/path/to/file.php/extra/stuff
343    which calls "blah.phar" file "path/to/file.php" with PATH_INFO "/extra/stuff" */
phar_postprocess_ru_web(char * fname,size_t fname_len,char ** entry,size_t * entry_len,char ** ru,size_t * ru_len)344 static void phar_postprocess_ru_web(char *fname, size_t fname_len, char **entry, size_t *entry_len, char **ru, size_t *ru_len) /* {{{ */
345 {
346 	char *e = *entry + 1, *u = NULL, *u1 = NULL, *saveu = NULL;
347 	size_t e_len = *entry_len - 1, u_len = 0;
348 	phar_archive_data *pphar;
349 
350 	/* we already know we can retrieve the phar if we reach here */
351 	pphar = zend_hash_str_find_ptr(&(PHAR_G(phar_fname_map)), fname, fname_len);
352 
353 	if (!pphar && PHAR_G(manifest_cached)) {
354 		pphar = zend_hash_str_find_ptr(&cached_phars, fname, fname_len);
355 	}
356 
357 	do {
358 		if (zend_hash_str_exists(&(pphar->manifest), e, e_len)) {
359 			if (u) {
360 				u[0] = '/';
361 				*ru = estrndup(u, u_len+1);
362 				++u_len;
363 				u[0] = '\0';
364 			} else {
365 				*ru = NULL;
366 			}
367 			*ru_len = u_len;
368 			*entry_len = e_len + 1;
369 			return;
370 		}
371 
372 		if (u) {
373 			u1 = strrchr(e, '/');
374 			u[0] = '/';
375 			saveu = u;
376 			e_len += u_len + 1;
377 			u = u1;
378 			if (!u) {
379 				return;
380 			}
381 		} else {
382 			u = strrchr(e, '/');
383 			if (!u) {
384 				if (saveu) {
385 					saveu[0] = '/';
386 				}
387 				return;
388 			}
389 		}
390 
391 		u[0] = '\0';
392 		u_len = strlen(u + 1);
393 		e_len -= u_len + 1;
394 	} while (1);
395 }
396 /* }}} */
397 
398 /* {{{ return the name of the currently running phar archive.  If the optional parameter
399  * is set to true, return the phar:// URL to the currently running phar
400  */
PHP_METHOD(Phar,running)401 PHP_METHOD(Phar, running)
402 {
403 	zend_string *fname;
404 	char *arch, *entry;
405 	size_t arch_len, entry_len;
406 	bool retphar = 1;
407 
408 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|b", &retphar) == FAILURE) {
409 		RETURN_THROWS();
410 	}
411 
412 	fname = zend_get_executed_filename_ex();
413 	if (!fname) {
414 		RETURN_EMPTY_STRING();
415 	}
416 
417 	if (
418 		zend_string_starts_with_literal_ci(fname, "phar://")
419 		&& SUCCESS == phar_split_fname(ZSTR_VAL(fname), ZSTR_LEN(fname), &arch, &arch_len, &entry, &entry_len, 2, 0)
420 	) {
421 		efree(entry);
422 		if (retphar) {
423 			RETVAL_STRINGL(ZSTR_VAL(fname), arch_len + 7);
424 			efree(arch);
425 			return;
426 		} else {
427 			// TODO: avoid reallocation ???
428 			RETVAL_STRINGL(arch, arch_len);
429 			efree(arch);
430 			return;
431 		}
432 	}
433 
434 	RETURN_EMPTY_STRING();
435 }
436 /* }}} */
437 
438 /* {{{ mount an external file or path to a location within the phar.  This maps
439  * an external file or directory to a location within the phar archive, allowing
440  * reference to an external location as if it were within the phar archive.  This
441  * is useful for writable temp files like databases
442  */
PHP_METHOD(Phar,mount)443 PHP_METHOD(Phar, mount)
444 {
445 	char *fname, *arch = NULL, *entry = NULL, *path, *actual;
446 	size_t fname_len, arch_len, entry_len;
447 	size_t path_len, actual_len;
448 	phar_archive_data *pphar;
449 #ifdef PHP_WIN32
450 	char *save_fname;
451 	ALLOCA_FLAG(fname_use_heap)
452 #endif
453 
454 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp", &path, &path_len, &actual, &actual_len) == FAILURE) {
455 		RETURN_THROWS();
456 	}
457 
458 	zend_string *zend_file_name = zend_get_executed_filename_ex();
459 	if (UNEXPECTED(!zend_file_name)) {
460 		fname = "";
461 		fname_len = 0;
462 	} else {
463 		fname = ZSTR_VAL(zend_file_name);
464 		fname_len = ZSTR_LEN(zend_file_name);
465 	}
466 
467 #ifdef PHP_WIN32
468 	save_fname = fname;
469 	if (memchr(fname, '\\', fname_len)) {
470 		fname = do_alloca(fname_len + 1, fname_use_heap);
471 		memcpy(fname, save_fname, fname_len);
472 		fname[fname_len] = '\0';
473 		phar_unixify_path_separators(fname, fname_len);
474 	}
475 #endif
476 
477 	if (fname_len > 7 && !memcmp(fname, "phar://", 7) && SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0)) {
478 		efree(entry);
479 		entry = NULL;
480 
481 		if (path_len > 7 && !memcmp(path, "phar://", 7)) {
482 			zend_throw_exception_ex(phar_ce_PharException, 0, "Can only mount internal paths within a phar archive, use a relative path instead of \"%s\"", path);
483 			efree(arch);
484 			goto finish;
485 		}
486 carry_on2:
487 		if (NULL == (pphar = zend_hash_str_find_ptr(&(PHAR_G(phar_fname_map)), arch, arch_len))) {
488 			if (PHAR_G(manifest_cached) && NULL != (pphar = zend_hash_str_find_ptr(&cached_phars, arch, arch_len))) {
489 				if (SUCCESS == phar_copy_on_write(&pphar)) {
490 					goto carry_on;
491 				}
492 			}
493 
494 			zend_throw_exception_ex(phar_ce_PharException, 0, "%s is not a phar archive, cannot mount", arch);
495 
496 			if (arch) {
497 				efree(arch);
498 			}
499 
500 			goto finish;
501 		}
502 carry_on:
503 		if (SUCCESS != phar_mount_entry(pphar, actual, actual_len, path, path_len)) {
504 			zend_throw_exception_ex(phar_ce_PharException, 0, "Mounting of %s to %s within phar %s failed", path, actual, arch);
505 		}
506 
507 		if (entry && path == entry) {
508 			efree(entry);
509 		}
510 
511 		if (arch) {
512 			efree(arch);
513 		}
514 
515 		goto finish;
516 	} else if (HT_IS_INITIALIZED(&PHAR_G(phar_fname_map)) && NULL != (pphar = zend_hash_str_find_ptr(&(PHAR_G(phar_fname_map)), fname, fname_len))) {
517 		goto carry_on;
518 	} else if (PHAR_G(manifest_cached) && NULL != (pphar = zend_hash_str_find_ptr(&cached_phars, fname, fname_len))) {
519 		if (SUCCESS == phar_copy_on_write(&pphar)) {
520 			goto carry_on;
521 		}
522 
523 		goto carry_on;
524 	} else if (SUCCESS == phar_split_fname(path, path_len, &arch, &arch_len, &entry, &entry_len, 2, 0)) {
525 		path = entry;
526 		path_len = entry_len;
527 		goto carry_on2;
528 	}
529 
530 	zend_throw_exception_ex(phar_ce_PharException, 0, "Mounting of %s to %s failed", path, actual);
531 
532 finish: ;
533 #ifdef PHP_WIN32
534 	if (fname != save_fname) {
535 		free_alloca(fname, fname_use_heap);
536 		fname = save_fname;
537 	}
538 #endif
539 }
540 /* }}} */
541 
542 /* {{{ mapPhar for web-based phars. Reads the currently executed file (a phar)
543  * and registers its manifest. When executed in the CLI or CGI command-line sapi,
544  * this works exactly like mapPhar().  When executed by a web-based sapi, this
545  * reads $_SERVER['REQUEST_URI'] (the actual original value) and parses out the
546  * intended internal file.
547  */
PHP_METHOD(Phar,webPhar)548 PHP_METHOD(Phar, webPhar)
549 {
550 	zval *mimeoverride = NULL;
551 	zend_fcall_info rewrite_fci = {0};
552 	zend_fcall_info_cache rewrite_fcc;
553 	char *alias = NULL, *error, *index_php = NULL, *f404 = NULL, *ru = NULL;
554 	size_t alias_len = 0, f404_len = 0, free_pathinfo = 0;
555 	size_t ru_len = 0;
556 	char *fname, *path_info, *mime_type = NULL, *entry, *pt;
557 	const char *basename;
558 	size_t fname_len, index_php_len = 0;
559 	size_t entry_len;
560 	int code, not_cgi;
561 	phar_archive_data *phar = NULL;
562 	phar_entry_info *info = NULL;
563 	size_t sapi_mod_name_len = strlen(sapi_module.name);
564 
565 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!s!s!af!", &alias, &alias_len, &index_php, &index_php_len, &f404, &f404_len, &mimeoverride, &rewrite_fci, &rewrite_fcc) == FAILURE) {
566 		RETURN_THROWS();
567 	}
568 
569 	phar_request_initialize();
570 
571 	if (phar_open_executed_filename(alias, alias_len, &error) != SUCCESS) {
572 		if (error) {
573 			zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
574 			efree(error);
575 		}
576 		return;
577 	}
578 
579 	/* retrieve requested file within phar */
580 	if (!(SG(request_info).request_method
581 	      && SG(request_info).request_uri
582 	      && (!strcmp(SG(request_info).request_method, "GET")
583 	       || !strcmp(SG(request_info).request_method, "POST")
584 	       || !strcmp(SG(request_info).request_method, "DELETE")
585 	       || !strcmp(SG(request_info).request_method, "HEAD")
586 	       || !strcmp(SG(request_info).request_method, "OPTIONS")
587 	       || !strcmp(SG(request_info).request_method, "PATCH")
588 	       || !strcmp(SG(request_info).request_method, "PUT")
589 	      )
590 	     )
591 	   ) {
592 		return;
593 	}
594 
595 	zend_string *zend_file_name = zend_get_executed_filename_ex();
596 	if (UNEXPECTED(!zend_file_name)) {
597 		return;
598 	}
599 
600 	fname = ZSTR_VAL(zend_file_name);
601 	fname_len = ZSTR_LEN(zend_file_name);
602 
603 #ifdef PHP_WIN32
604 	if (memchr(fname, '\\', fname_len)) {
605 		fname = estrndup(fname, fname_len);
606 		phar_unixify_path_separators(fname, fname_len);
607 	}
608 #endif
609 	basename = zend_memrchr(fname, '/', fname_len);
610 
611 	if (!basename) {
612 		basename = fname;
613 	} else {
614 		++basename;
615 	}
616 
617 	if ((sapi_mod_name_len == sizeof("cgi-fcgi") - 1 && !strncmp(sapi_module.name, "cgi-fcgi", sizeof("cgi-fcgi") - 1))
618 		|| (sapi_mod_name_len == sizeof("fpm-fcgi") - 1 && !strncmp(sapi_module.name, "fpm-fcgi", sizeof("fpm-fcgi") - 1))
619 		|| (sapi_mod_name_len == sizeof("cgi") - 1 && !strncmp(sapi_module.name, "cgi", sizeof("cgi") - 1))
620 		|| (sapi_mod_name_len == sizeof("litespeed") - 1 && !strncmp(sapi_module.name, "litespeed", sizeof("litespeed") - 1))) {
621 
622 		if (Z_TYPE(PG(http_globals)[TRACK_VARS_SERVER]) != IS_UNDEF) {
623 			HashTable *_server = Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER]);
624 			zval *z_script_name, *z_path_info;
625 
626 			if (NULL == (z_script_name = zend_hash_str_find(_server, "SCRIPT_NAME", sizeof("SCRIPT_NAME")-1)) ||
627 				IS_STRING != Z_TYPE_P(z_script_name) ||
628 				!strstr(Z_STRVAL_P(z_script_name), basename)) {
629 				goto finish;
630 			}
631 
632 			if (NULL != (z_path_info = zend_hash_str_find(_server, "PATH_INFO", sizeof("PATH_INFO")-1)) &&
633 				IS_STRING == Z_TYPE_P(z_path_info)) {
634 				entry_len = Z_STRLEN_P(z_path_info);
635 				entry = estrndup(Z_STRVAL_P(z_path_info), entry_len);
636 				path_info = emalloc(Z_STRLEN_P(z_script_name) + entry_len + 1);
637 				memcpy(path_info, Z_STRVAL_P(z_script_name), Z_STRLEN_P(z_script_name));
638 				memcpy(path_info + Z_STRLEN_P(z_script_name), entry, entry_len + 1);
639 				free_pathinfo = 1;
640 			} else {
641 				entry_len = 0;
642 				entry = estrndup("", 0);
643 				path_info = Z_STRVAL_P(z_script_name);
644 			}
645 
646 			pt = estrndup(Z_STRVAL_P(z_script_name), Z_STRLEN_P(z_script_name));
647 
648 		} else {
649 			char *testit;
650 
651 			testit = sapi_getenv("SCRIPT_NAME", sizeof("SCRIPT_NAME")-1);
652 			if (!(pt = strstr(testit, basename))) {
653 				efree(testit);
654 				goto finish;
655 			}
656 
657 			path_info = sapi_getenv("PATH_INFO", sizeof("PATH_INFO")-1);
658 
659 			if (path_info) {
660 				entry = path_info;
661 				entry_len = strlen(entry);
662 				spprintf(&path_info, 0, "%s%s", testit, path_info);
663 				free_pathinfo = 1;
664 			} else {
665 				path_info = testit;
666 				free_pathinfo = 1;
667 				entry = estrndup("", 0);
668 				entry_len = 0;
669 			}
670 
671 			pt = estrndup(testit, (pt - testit) + (fname_len - (basename - fname)));
672 		}
673 		not_cgi = 0;
674 	} else {
675 		path_info = SG(request_info).request_uri;
676 
677 		if (!(pt = strstr(path_info, basename))) {
678 			/* this can happen with rewrite rules - and we have no idea what to do then, so return */
679 			goto finish;
680 		}
681 
682 		entry_len = strlen(path_info);
683 		entry_len -= (pt - path_info) + (fname_len - (basename - fname));
684 		entry = estrndup(pt + (fname_len - (basename - fname)), entry_len);
685 
686 		pt = estrndup(path_info, (pt - path_info) + (fname_len - (basename - fname)));
687 		not_cgi = 1;
688 	}
689 
690 	if (ZEND_FCI_INITIALIZED(rewrite_fci)) {
691 		zval params, retval;
692 
693 		ZVAL_STRINGL(&params, entry, entry_len);
694 
695 		rewrite_fci.param_count = 1;
696 		rewrite_fci.params = &params;
697 		rewrite_fci.retval = &retval;
698 
699 		if (FAILURE == zend_call_function(&rewrite_fci, &rewrite_fcc)) {
700 			if (!EG(exception)) {
701 				zend_throw_exception_ex(phar_ce_PharException, 0, "phar error: failed to call rewrite callback");
702 			}
703 			goto cleanup_fail;
704 		}
705 
706 		if (Z_TYPE_P(rewrite_fci.retval) == IS_UNDEF || Z_TYPE(retval) == IS_UNDEF) {
707 			zend_throw_exception_ex(phar_ce_PharException, 0, "phar error: rewrite callback must return a string or false");
708 			goto cleanup_fail;
709 		}
710 
711 		switch (Z_TYPE(retval)) {
712 			case IS_STRING:
713 				efree(entry);
714 				entry = estrndup(Z_STRVAL_P(rewrite_fci.retval), Z_STRLEN_P(rewrite_fci.retval));
715 				entry_len = Z_STRLEN_P(rewrite_fci.retval);
716 				break;
717 			case IS_TRUE:
718 			case IS_FALSE:
719 				phar_do_403(entry, entry_len);
720 
721 				if (free_pathinfo) {
722 					efree(path_info);
723 				}
724 				efree(pt);
725 
726 				zend_bailout();
727 			default:
728 				zend_throw_exception_ex(phar_ce_PharException, 0, "phar error: rewrite callback must return a string or false");
729 
730 cleanup_fail:
731 				zval_ptr_dtor(&params);
732 				if (free_pathinfo) {
733 					efree(path_info);
734 				}
735 				efree(entry);
736 				efree(pt);
737 #ifdef PHP_WIN32
738 				efree(fname);
739 #endif
740 				RETURN_THROWS();
741 		}
742 	}
743 
744 	if (entry_len) {
745 		phar_postprocess_ru_web(fname, fname_len, &entry, &entry_len, &ru, &ru_len);
746 	}
747 
748 	if (!entry_len || (entry_len == 1 && entry[0] == '/')) {
749 		efree(entry);
750 		/* direct request */
751 		if (index_php_len) {
752 			entry = index_php;
753 			entry_len = index_php_len;
754 			if (entry[0] != '/') {
755 				spprintf(&entry, 0, "/%s", index_php);
756 				++entry_len;
757 			}
758 		} else {
759 			/* assume "index.php" is starting point */
760 			entry = estrndup("/index.php", sizeof("/index.php"));
761 			entry_len = sizeof("/index.php")-1;
762 		}
763 
764 		if (FAILURE == phar_get_archive(&phar, fname, fname_len, NULL, 0, NULL) ||
765 			(info = phar_get_entry_info(phar, entry, entry_len, NULL, 0)) == NULL) {
766 			phar_do_404(phar, fname, fname_len, f404, f404_len, entry, entry_len);
767 
768 			if (free_pathinfo) {
769 				efree(path_info);
770 			}
771 
772 			zend_bailout();
773 		} else {
774 			char *tmp = NULL, sa = '\0';
775 			sapi_header_line ctr = {0};
776 			ctr.response_code = 301;
777 			ctr.line_len = sizeof("HTTP/1.1 301 Moved Permanently")-1;
778 			ctr.line = "HTTP/1.1 301 Moved Permanently";
779 			sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
780 
781 			if (not_cgi) {
782 				tmp = strstr(path_info, basename) + fname_len;
783 				sa = *tmp;
784 				*tmp = '\0';
785 			}
786 
787 			ctr.response_code = 0;
788 
789 			if (path_info[strlen(path_info)-1] == '/') {
790 				ctr.line_len = spprintf((char **) &(ctr.line), 4096, "Location: %s%s", path_info, entry + 1);
791 			} else {
792 				ctr.line_len = spprintf((char **) &(ctr.line), 4096, "Location: %s%s", path_info, entry);
793 			}
794 
795 			if (not_cgi) {
796 				*tmp = sa;
797 			}
798 
799 			if (free_pathinfo) {
800 				efree(path_info);
801 			}
802 
803 			sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
804 			sapi_send_headers();
805 			efree((void *) ctr.line);
806 			zend_bailout();
807 		}
808 	}
809 
810 	if (FAILURE == phar_get_archive(&phar, fname, fname_len, NULL, 0, NULL) ||
811 		(info = phar_get_entry_info(phar, entry, entry_len, NULL, 0)) == NULL) {
812 		phar_do_404(phar, fname, fname_len, f404, f404_len, entry, entry_len);
813 		zend_bailout();
814 	}
815 
816 	if (mimeoverride && zend_hash_num_elements(Z_ARRVAL_P(mimeoverride))) {
817 		const char *ext = zend_memrchr(entry, '.', entry_len);
818 		zval *val;
819 
820 		if (ext) {
821 			++ext;
822 
823 			if (NULL != (val = zend_hash_str_find(Z_ARRVAL_P(mimeoverride), ext, strlen(ext)))) {
824 				switch (Z_TYPE_P(val)) {
825 					case IS_LONG:
826 						if (Z_LVAL_P(val) == PHAR_MIME_PHP || Z_LVAL_P(val) == PHAR_MIME_PHPS) {
827 							mime_type = "";
828 							code = Z_LVAL_P(val);
829 						} else {
830 							zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown mime type specifier used, only Phar::PHP, Phar::PHPS and a mime type string are allowed");
831 							if (free_pathinfo) {
832 								efree(path_info);
833 							}
834 							efree(pt);
835 							efree(entry);
836 #ifdef PHP_WIN32
837 							efree(fname);
838 #endif
839 							RETURN_THROWS();
840 						}
841 						break;
842 					case IS_STRING:
843 						mime_type = Z_STRVAL_P(val);
844 						code = PHAR_MIME_OTHER;
845 						break;
846 					default:
847 						zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown mime type specifier used (not a string or int), only Phar::PHP, Phar::PHPS and a mime type string are allowed");
848 						if (free_pathinfo) {
849 							efree(path_info);
850 						}
851 						efree(pt);
852 						efree(entry);
853 #ifdef PHP_WIN32
854 						efree(fname);
855 #endif
856 						RETURN_THROWS();
857 				}
858 			}
859 		}
860 	}
861 
862 	if (!mime_type) {
863 		code = phar_file_type(&PHAR_G(mime_types), entry, &mime_type);
864 	}
865 	phar_file_action(phar, info, mime_type, code, entry, entry_len, fname, pt, ru, ru_len);
866 
867 finish: ;
868 #ifdef PHP_WIN32
869 	efree(fname);
870 #endif
871 }
872 /* }}} */
873 
874 /* {{{ Defines a list of up to 4 $_SERVER variables that should be modified for execution
875  * to mask the presence of the phar archive.  This should be used in conjunction with
876  * Phar::webPhar(), and has no effect otherwise
877  * SCRIPT_NAME, PHP_SELF, REQUEST_URI and SCRIPT_FILENAME
878  */
PHP_METHOD(Phar,mungServer)879 PHP_METHOD(Phar, mungServer)
880 {
881 	zval *mungvalues, *data;
882 
883 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &mungvalues) == FAILURE) {
884 		RETURN_THROWS();
885 	}
886 
887 	if (!zend_hash_num_elements(Z_ARRVAL_P(mungvalues))) {
888 		zend_throw_exception_ex(phar_ce_PharException, 0, "No values passed to Phar::mungServer(), expecting an array of any of these strings: PHP_SELF, REQUEST_URI, SCRIPT_FILENAME, SCRIPT_NAME");
889 		RETURN_THROWS();
890 	}
891 
892 	if (zend_hash_num_elements(Z_ARRVAL_P(mungvalues)) > 4) {
893 		zend_throw_exception_ex(phar_ce_PharException, 0, "Too many values passed to Phar::mungServer(), expecting an array of any of these strings: PHP_SELF, REQUEST_URI, SCRIPT_FILENAME, SCRIPT_NAME");
894 		RETURN_THROWS();
895 	}
896 
897 	phar_request_initialize();
898 
899 	ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(mungvalues), data) {
900 
901 		if (Z_TYPE_P(data) != IS_STRING) {
902 			zend_throw_exception_ex(phar_ce_PharException, 0, "Non-string value passed to Phar::mungServer(), expecting an array of any of these strings: PHP_SELF, REQUEST_URI, SCRIPT_FILENAME, SCRIPT_NAME");
903 			RETURN_THROWS();
904 		}
905 
906 		if (zend_string_equals_literal(Z_STR_P(data), "PHP_SELF")) {
907 			PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_PHP_SELF;
908 		} else if (zend_string_equals_literal(Z_STR_P(data), "REQUEST_URI")) {
909 			PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_REQUEST_URI;
910 		} else if (zend_string_equals_literal(Z_STR_P(data), "SCRIPT_NAME")) {
911 			PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_SCRIPT_NAME;
912 		} else if (zend_string_equals_literal(Z_STR_P(data), "SCRIPT_FILENAME")) {
913 			PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_SCRIPT_FILENAME;
914 		}
915 		// TODO Warning for invalid value?
916 	} ZEND_HASH_FOREACH_END();
917 }
918 /* }}} */
919 
920 /* {{{ instructs phar to intercept fopen, file_get_contents, opendir, and all of the stat-related functions
921  * and return stat on files within the phar for relative paths
922  *
923  * Once called, this cannot be reversed, and continue until the end of the request.
924  *
925  * This allows legacy scripts to be pharred unmodified
926  */
PHP_METHOD(Phar,interceptFileFuncs)927 PHP_METHOD(Phar, interceptFileFuncs)
928 {
929 	if (zend_parse_parameters_none() == FAILURE) {
930 		RETURN_THROWS();
931 	}
932 	phar_intercept_functions();
933 }
934 /* }}} */
935 
936 /* {{{ Return a stub that can be used to run a phar-based archive without the phar extension
937  * indexfile is the CLI startup filename, which defaults to "index.php", webindexfile
938  * is the web startup filename, and also defaults to "index.php"
939  */
PHP_METHOD(Phar,createDefaultStub)940 PHP_METHOD(Phar, createDefaultStub)
941 {
942 	char *index = NULL, *webindex = NULL, *error;
943 	zend_string *stub;
944 	size_t index_len = 0, webindex_len = 0;
945 
946 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|p!p!", &index, &index_len, &webindex, &webindex_len) == FAILURE) {
947 		RETURN_THROWS();
948 	}
949 
950 	stub = phar_create_default_stub(index, webindex, &error);
951 
952 	if (error) {
953 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
954 		efree(error);
955 		RETURN_THROWS();
956 	}
957 	RETURN_NEW_STR(stub);
958 }
959 /* }}} */
960 
961 /* {{{ Reads the currently executed file (a phar) and registers its manifest */
PHP_METHOD(Phar,mapPhar)962 PHP_METHOD(Phar, mapPhar)
963 {
964 	char *alias = NULL, *error;
965 	size_t alias_len = 0;
966 	zend_long dataoffset = 0;
967 
968 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!l", &alias, &alias_len, &dataoffset) == FAILURE) {
969 		RETURN_THROWS();
970 	}
971 
972 	phar_request_initialize();
973 
974 	RETVAL_BOOL(phar_open_executed_filename(alias, alias_len, &error) == SUCCESS);
975 
976 	if (error) {
977 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
978 		efree(error);
979 	}
980 } /* }}} */
981 
982 /* {{{ Loads any phar archive with an alias */
PHP_METHOD(Phar,loadPhar)983 PHP_METHOD(Phar, loadPhar)
984 {
985 	char *fname, *alias = NULL, *error;
986 	size_t fname_len, alias_len = 0;
987 
988 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|s!", &fname, &fname_len, &alias, &alias_len) == FAILURE) {
989 		RETURN_THROWS();
990 	}
991 
992 	phar_request_initialize();
993 
994 	RETVAL_BOOL(phar_open_from_filename(fname, fname_len, alias, alias_len, REPORT_ERRORS, NULL, &error) == SUCCESS);
995 
996 	if (error) {
997 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
998 		efree(error);
999 	}
1000 } /* }}} */
1001 
1002 /* {{{ Returns the api version */
PHP_METHOD(Phar,apiVersion)1003 PHP_METHOD(Phar, apiVersion)
1004 {
1005 	if (zend_parse_parameters_none() == FAILURE) {
1006 		RETURN_THROWS();
1007 	}
1008 	RETURN_STRINGL(PHP_PHAR_API_VERSION, sizeof(PHP_PHAR_API_VERSION)-1);
1009 }
1010 /* }}}*/
1011 
1012 /* {{{ Returns whether phar extension supports compression using zlib/bzip2 */
PHP_METHOD(Phar,canCompress)1013 PHP_METHOD(Phar, canCompress)
1014 {
1015 	zend_long method = 0;
1016 
1017 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &method) == FAILURE) {
1018 		RETURN_THROWS();
1019 	}
1020 
1021 	phar_request_initialize();
1022 	switch (method) {
1023 	case PHAR_ENT_COMPRESSED_GZ:
1024 		if (PHAR_G(has_zlib)) {
1025 			RETURN_TRUE;
1026 		} else {
1027 			RETURN_FALSE;
1028 		}
1029 	case PHAR_ENT_COMPRESSED_BZ2:
1030 		if (PHAR_G(has_bz2)) {
1031 			RETURN_TRUE;
1032 		} else {
1033 			RETURN_FALSE;
1034 		}
1035 	default:
1036 		if (PHAR_G(has_zlib) || PHAR_G(has_bz2)) {
1037 			RETURN_TRUE;
1038 		} else {
1039 			RETURN_FALSE;
1040 		}
1041 	}
1042 }
1043 /* }}} */
1044 
1045 /* {{{ Returns whether phar extension supports writing and creating phars */
PHP_METHOD(Phar,canWrite)1046 PHP_METHOD(Phar, canWrite)
1047 {
1048 	if (zend_parse_parameters_none() == FAILURE) {
1049 		RETURN_THROWS();
1050 	}
1051 	RETURN_BOOL(!PHAR_G(readonly));
1052 }
1053 /* }}} */
1054 
1055 /* {{{ Returns whether the given filename is a valid phar filename */
PHP_METHOD(Phar,isValidPharFilename)1056 PHP_METHOD(Phar, isValidPharFilename)
1057 {
1058 	char *fname;
1059 	const char *ext_str;
1060 	size_t fname_len;
1061 	size_t ext_len;
1062 	int is_executable;
1063 	bool executable = 1;
1064 
1065 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|b", &fname, &fname_len, &executable) == FAILURE) {
1066 		RETURN_THROWS();
1067 	}
1068 
1069 	is_executable = executable;
1070 	RETVAL_BOOL(phar_detect_phar_fname_ext(fname, fname_len, &ext_str, &ext_len, is_executable, 2, 1) == SUCCESS);
1071 }
1072 /* }}} */
1073 
1074 /**
1075  * from spl_directory
1076  */
phar_spl_foreign_dtor(spl_filesystem_object * object)1077 static void phar_spl_foreign_dtor(spl_filesystem_object *object) /* {{{ */
1078 {
1079 	phar_archive_data *phar = (phar_archive_data *) object->oth;
1080 
1081 	if (!phar->is_persistent) {
1082 		phar_archive_delref(phar);
1083 	}
1084 
1085 	object->oth = NULL;
1086 }
1087 /* }}} */
1088 
1089 /**
1090  * from spl_directory
1091  */
phar_spl_foreign_clone(spl_filesystem_object * src,spl_filesystem_object * dst)1092 static void phar_spl_foreign_clone(spl_filesystem_object *src, spl_filesystem_object *dst) /* {{{ */
1093 {
1094 	phar_archive_data *phar_data = (phar_archive_data *) dst->oth;
1095 
1096 	if (!phar_data->is_persistent) {
1097 		++(phar_data->refcount);
1098 	}
1099 }
1100 /* }}} */
1101 
1102 static const spl_other_handler phar_spl_foreign_handler = {
1103 	phar_spl_foreign_dtor,
1104 	phar_spl_foreign_clone
1105 };
1106 
1107 /* {{{ Construct a Phar archive object
1108  *
1109  * proto PharData::__construct(string fname [[, int flags [, string alias]], int file format = Phar::TAR])
1110  * Construct a PharData archive object
1111  *
1112  * This function is used as the constructor for both the Phar and PharData
1113  * classes, hence the two prototypes above.
1114  */
PHP_METHOD(Phar,__construct)1115 PHP_METHOD(Phar, __construct)
1116 {
1117 	char *fname, *alias = NULL, *error, *arch = NULL, *entry = NULL, *save_fname;
1118 	size_t fname_len, alias_len = 0;
1119 	size_t arch_len, entry_len;
1120 	bool is_data;
1121 	zend_long flags = SPL_FILE_DIR_SKIPDOTS|SPL_FILE_DIR_UNIXPATHS;
1122 	zend_long format = 0;
1123 	phar_archive_object *phar_obj;
1124 	phar_archive_data   *phar_data;
1125 	zval *zobj = ZEND_THIS, arg1, arg2;
1126 
1127 	phar_obj = (phar_archive_object*)((char*)Z_OBJ_P(zobj) - Z_OBJ_P(zobj)->handlers->offset);
1128 
1129 	is_data = instanceof_function(Z_OBJCE_P(zobj), phar_ce_data);
1130 
1131 	if (is_data) {
1132 		if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|ls!l", &fname, &fname_len, &flags, &alias, &alias_len, &format) == FAILURE) {
1133 			RETURN_THROWS();
1134 		}
1135 	} else {
1136 		if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|ls!", &fname, &fname_len, &flags, &alias, &alias_len) == FAILURE) {
1137 			RETURN_THROWS();
1138 		}
1139 	}
1140 
1141 	if (phar_obj->archive) {
1142 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Cannot call constructor twice");
1143 		RETURN_THROWS();
1144 	}
1145 
1146 	save_fname = fname;
1147 	if (SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, !is_data, 2)) {
1148 		/* use arch (the basename for the archive) for fname instead of fname */
1149 		/* this allows support for RecursiveDirectoryIterator of subdirectories */
1150 #ifdef PHP_WIN32
1151 		phar_unixify_path_separators(arch, arch_len);
1152 #endif
1153 		fname = arch;
1154 		fname_len = arch_len;
1155 #ifdef PHP_WIN32
1156 	} else {
1157 		arch = estrndup(fname, fname_len);
1158 		arch_len = fname_len;
1159 		fname = arch;
1160 		phar_unixify_path_separators(arch, arch_len);
1161 #endif
1162 	}
1163 
1164 	if (phar_open_or_create_filename(fname, fname_len, alias, alias_len, is_data, REPORT_ERRORS, &phar_data, &error) == FAILURE) {
1165 
1166 		if (fname == arch && fname != save_fname) {
1167 			efree(arch);
1168 			fname = save_fname;
1169 		}
1170 
1171 		if (entry) {
1172 			efree(entry);
1173 		}
1174 
1175 		if (error) {
1176 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
1177 				"%s", error);
1178 			efree(error);
1179 		} else {
1180 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
1181 				"Phar creation or opening failed");
1182 		}
1183 
1184 		RETURN_THROWS();
1185 	}
1186 
1187 	if (is_data && phar_data->is_tar && phar_data->is_brandnew && format == PHAR_FORMAT_ZIP) {
1188 		phar_data->is_zip = 1;
1189 		phar_data->is_tar = 0;
1190 	}
1191 
1192 	if (fname == arch) {
1193 		efree(arch);
1194 		fname = save_fname;
1195 	}
1196 
1197 	if ((is_data && !phar_data->is_data) || (!is_data && phar_data->is_data)) {
1198 		if (is_data) {
1199 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
1200 				"PharData class can only be used for non-executable tar and zip archives");
1201 		} else {
1202 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
1203 				"Phar class can only be used for executable tar and zip archives");
1204 		}
1205 		efree(entry);
1206 		RETURN_THROWS();
1207 	}
1208 
1209 	is_data = phar_data->is_data;
1210 
1211 	if (!phar_data->is_persistent) {
1212 		++(phar_data->refcount);
1213 	}
1214 
1215 	phar_obj->archive = phar_data;
1216 	phar_obj->spl.oth_handler = &phar_spl_foreign_handler;
1217 
1218 	if (entry) {
1219 		fname_len = spprintf(&fname, 0, "phar://%s%s", phar_data->fname, entry);
1220 		efree(entry);
1221 	} else {
1222 		fname_len = spprintf(&fname, 0, "phar://%s", phar_data->fname);
1223 	}
1224 
1225 	ZVAL_STRINGL(&arg1, fname, fname_len);
1226 	ZVAL_LONG(&arg2, flags);
1227 
1228 	zend_call_known_instance_method_with_2_params(spl_ce_RecursiveDirectoryIterator->constructor,
1229 		Z_OBJ_P(zobj), NULL, &arg1, &arg2);
1230 
1231 	zval_ptr_dtor(&arg1);
1232 
1233 	if (!phar_data->is_persistent) {
1234 		phar_obj->archive->is_data = is_data;
1235 	} else if (!EG(exception)) {
1236 		/* register this guy so we can modify if necessary */
1237 		zend_hash_str_add_ptr(&PHAR_G(phar_persist_map), (const char *) phar_obj->archive, sizeof(phar_obj->archive), phar_obj);
1238 	}
1239 
1240 	phar_obj->spl.info_class = phar_ce_entry;
1241 	efree(fname);
1242 }
1243 /* }}} */
1244 
1245 /* {{{ Return array of supported signature types */
PHP_METHOD(Phar,getSupportedSignatures)1246 PHP_METHOD(Phar, getSupportedSignatures)
1247 {
1248 	if (zend_parse_parameters_none() == FAILURE) {
1249 		RETURN_THROWS();
1250 	}
1251 
1252 	array_init(return_value);
1253 
1254 	add_next_index_stringl(return_value, "MD5", 3);
1255 	add_next_index_stringl(return_value, "SHA-1", 5);
1256 	add_next_index_stringl(return_value, "SHA-256", 7);
1257 	add_next_index_stringl(return_value, "SHA-512", 7);
1258 #ifdef PHAR_HAVE_OPENSSL
1259 	add_next_index_stringl(return_value, "OpenSSL", 7);
1260 	add_next_index_stringl(return_value, "OpenSSL_SHA256", 14);
1261 	add_next_index_stringl(return_value, "OpenSSL_SHA512", 14);
1262 #else
1263 	if (zend_hash_str_exists(&module_registry, "openssl", sizeof("openssl")-1)) {
1264 		add_next_index_stringl(return_value, "OpenSSL", 7);
1265 		add_next_index_stringl(return_value, "OpenSSL_SHA256", 14);
1266 		add_next_index_stringl(return_value, "OpenSSL_SHA512", 14);
1267 	}
1268 #endif
1269 }
1270 /* }}} */
1271 
1272 /* {{{ Return array of supported comparession algorithms */
PHP_METHOD(Phar,getSupportedCompression)1273 PHP_METHOD(Phar, getSupportedCompression)
1274 {
1275 	if (zend_parse_parameters_none() == FAILURE) {
1276 		RETURN_THROWS();
1277 	}
1278 
1279 	array_init(return_value);
1280 	phar_request_initialize();
1281 
1282 	if (PHAR_G(has_zlib)) {
1283 		add_next_index_stringl(return_value, "GZ", 2);
1284 	}
1285 
1286 	if (PHAR_G(has_bz2)) {
1287 		add_next_index_stringl(return_value, "BZIP2", 5);
1288 	}
1289 }
1290 /* }}} */
1291 
1292 /* {{{ Completely remove a phar archive from memory and disk */
PHP_METHOD(Phar,unlinkArchive)1293 PHP_METHOD(Phar, unlinkArchive)
1294 {
1295 	char *fname, *error, *arch, *entry;
1296 	size_t fname_len;
1297 	size_t arch_len, entry_len;
1298 	phar_archive_data *phar;
1299 
1300 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &fname, &fname_len) == FAILURE) {
1301 		RETURN_THROWS();
1302 	}
1303 
1304 	if (!fname_len) {
1305 		zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown phar archive \"\"");
1306 		RETURN_THROWS();
1307 	}
1308 
1309 	if (FAILURE == phar_open_from_filename(fname, fname_len, NULL, 0, REPORT_ERRORS, &phar, &error)) {
1310 		if (error) {
1311 			zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown phar archive \"%s\": %s", fname, error);
1312 			efree(error);
1313 		} else {
1314 			zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown phar archive \"%s\"", fname);
1315 		}
1316 		RETURN_THROWS();
1317 	}
1318 
1319 	zend_string *zend_file_name = zend_get_executed_filename_ex();
1320 
1321 	if (
1322 		zend_file_name
1323 		&& zend_string_starts_with_literal_ci(zend_file_name, "phar://")
1324 		&& SUCCESS == phar_split_fname(ZSTR_VAL(zend_file_name), ZSTR_LEN(zend_file_name), &arch, &arch_len, &entry, &entry_len, 2, 0)
1325 	) {
1326 		if (arch_len == fname_len && !memcmp(arch, fname, arch_len)) {
1327 			zend_throw_exception_ex(phar_ce_PharException, 0, "phar archive \"%s\" cannot be unlinked from within itself", fname);
1328 			efree(arch);
1329 			efree(entry);
1330 			RETURN_THROWS();
1331 		}
1332 		efree(arch);
1333 		efree(entry);
1334 	}
1335 
1336 	if (phar->is_persistent) {
1337 		zend_throw_exception_ex(phar_ce_PharException, 0, "phar archive \"%s\" is in phar.cache_list, cannot unlinkArchive()", fname);
1338 		RETURN_THROWS();
1339 	}
1340 
1341 	if (phar->refcount) {
1342 		zend_throw_exception_ex(phar_ce_PharException, 0, "phar archive \"%s\" has open file handles or objects.  fclose() all file handles, and unset() all objects prior to calling unlinkArchive()", fname);
1343 		RETURN_THROWS();
1344 	}
1345 
1346 	fname = estrndup(phar->fname, phar->fname_len);
1347 
1348 	/* invalidate phar cache */
1349 	PHAR_G(last_phar) = NULL;
1350 	PHAR_G(last_phar_name) = PHAR_G(last_alias) = NULL;
1351 
1352 	phar_archive_delref(phar);
1353 	unlink(fname);
1354 	efree(fname);
1355 	RETURN_TRUE;
1356 }
1357 /* }}} */
1358 
1359 #define PHAR_ARCHIVE_OBJECT() \
1360 	zval *zobj = ZEND_THIS; \
1361 	phar_archive_object *phar_obj = (phar_archive_object*)((char*)Z_OBJ_P(zobj) - Z_OBJ_P(zobj)->handlers->offset); \
1362 	if (!phar_obj->archive) { \
1363 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, \
1364 			"Cannot call method on an uninitialized Phar object"); \
1365 		RETURN_THROWS(); \
1366 	}
1367 
1368 /* {{{ if persistent, remove from the cache */
PHP_METHOD(Phar,__destruct)1369 PHP_METHOD(Phar, __destruct)
1370 {
1371 	zval *zobj = ZEND_THIS;
1372 	phar_archive_object *phar_obj = (phar_archive_object*)((char*)Z_OBJ_P(zobj) - Z_OBJ_P(zobj)->handlers->offset);
1373 
1374 	if (zend_parse_parameters_none() == FAILURE) {
1375 		RETURN_THROWS();
1376 	}
1377 
1378 	if (phar_obj->archive && phar_obj->archive->is_persistent) {
1379 		zend_hash_str_del(&PHAR_G(phar_persist_map), (const char *) phar_obj->archive, sizeof(phar_obj->archive));
1380 	}
1381 }
1382 /* }}} */
1383 
1384 struct _phar_t {
1385 	phar_archive_object *p;
1386 	zend_class_entry *c;
1387 	zend_string *base;
1388 	zval *ret;
1389 	php_stream *fp;
1390 	int count;
1391 };
1392 
phar_build(zend_object_iterator * iter,void * puser)1393 static int phar_build(zend_object_iterator *iter, void *puser) /* {{{ */
1394 {
1395 	zval *value;
1396 	bool close_fp = 1;
1397 	struct _phar_t *p_obj = (struct _phar_t*) puser;
1398 	size_t str_key_len, base_len = ZSTR_LEN(p_obj->base);
1399 	phar_entry_data *data;
1400 	php_stream *fp;
1401 	size_t fname_len;
1402 	size_t contents_len;
1403 	char *fname, *error = NULL, *base = ZSTR_VAL(p_obj->base), *save = NULL, *temp = NULL;
1404 	zend_string *opened;
1405 	char *str_key;
1406 	zend_class_entry *ce = p_obj->c;
1407 	phar_archive_object *phar_obj = p_obj->p;
1408 	php_stream_statbuf ssb;
1409 	char ch;
1410 
1411 	value = iter->funcs->get_current_data(iter);
1412 
1413 	if (EG(exception)) {
1414 		return ZEND_HASH_APPLY_STOP;
1415 	}
1416 
1417 	if (!value) {
1418 		/* failure in get_current_data */
1419 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned no value", ZSTR_VAL(ce->name));
1420 		return ZEND_HASH_APPLY_STOP;
1421 	}
1422 
1423 	switch (Z_TYPE_P(value)) {
1424 		case IS_STRING:
1425 			break;
1426 		case IS_RESOURCE:
1427 			php_stream_from_zval_no_verify(fp, value);
1428 
1429 			if (!fp) {
1430 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Iterator %s returned an invalid stream handle", ZSTR_VAL(ce->name));
1431 				return ZEND_HASH_APPLY_STOP;
1432 			}
1433 
1434 			if (iter->funcs->get_current_key) {
1435 				zval key;
1436 				iter->funcs->get_current_key(iter, &key);
1437 
1438 				if (EG(exception)) {
1439 					return ZEND_HASH_APPLY_STOP;
1440 				}
1441 
1442 				if (Z_TYPE(key) != IS_STRING) {
1443 					zval_ptr_dtor(&key);
1444 					zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid key (must return a string)", ZSTR_VAL(ce->name));
1445 					return ZEND_HASH_APPLY_STOP;
1446 				}
1447 
1448 				str_key_len = Z_STRLEN(key);
1449 				str_key = estrndup(Z_STRVAL(key), str_key_len);
1450 
1451 				save = str_key;
1452 				zval_ptr_dtor_str(&key);
1453 			} else {
1454 				zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid key (must return a string)", ZSTR_VAL(ce->name));
1455 				return ZEND_HASH_APPLY_STOP;
1456 			}
1457 
1458 			close_fp = 0;
1459 			opened = ZSTR_INIT_LITERAL("[stream]", 0);
1460 			goto after_open_fp;
1461 		case IS_OBJECT:
1462 			if (instanceof_function(Z_OBJCE_P(value), spl_ce_SplFileInfo)) {
1463 				char *test = NULL;
1464 				spl_filesystem_object *intern = (spl_filesystem_object*)((char*)Z_OBJ_P(value) - Z_OBJ_P(value)->handlers->offset);
1465 
1466 				if (!base_len) {
1467 					zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Iterator %s returns an SplFileInfo object, so base directory must be specified", ZSTR_VAL(ce->name));
1468 					return ZEND_HASH_APPLY_STOP;
1469 				}
1470 
1471 				switch (intern->type) {
1472 					case SPL_FS_DIR: {
1473 						zend_string *test_str = spl_filesystem_object_get_path(intern);
1474 						fname_len = spprintf(&fname, 0, "%s%c%s", ZSTR_VAL(test_str), DEFAULT_SLASH, intern->u.dir.entry.d_name);
1475 						zend_string_release_ex(test_str, /* persistent */ false);
1476 						if (php_stream_stat_path(fname, &ssb) == 0 && S_ISDIR(ssb.sb.st_mode)) {
1477 							/* ignore directories */
1478 							efree(fname);
1479 							return ZEND_HASH_APPLY_KEEP;
1480 						}
1481 
1482 						test = expand_filepath(fname, NULL);
1483 						efree(fname);
1484 
1485 						if (test) {
1486 							fname = test;
1487 							fname_len = strlen(fname);
1488 						} else {
1489 							zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Could not resolve file path");
1490 							return ZEND_HASH_APPLY_STOP;
1491 						}
1492 
1493 						save = fname;
1494 						goto phar_spl_fileinfo;
1495 					}
1496 					case SPL_FS_INFO:
1497 					case SPL_FS_FILE:
1498 						fname = expand_filepath(ZSTR_VAL(intern->file_name), NULL);
1499 						if (!fname) {
1500 							zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Could not resolve file path");
1501 							return ZEND_HASH_APPLY_STOP;
1502 						}
1503 
1504 						fname_len = strlen(fname);
1505 						save = fname;
1506 						goto phar_spl_fileinfo;
1507 				}
1508 			}
1509 			ZEND_FALLTHROUGH;
1510 		default:
1511 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid value (must return a string, a stream, or an SplFileInfo object)", ZSTR_VAL(ce->name));
1512 			return ZEND_HASH_APPLY_STOP;
1513 	}
1514 
1515 	fname = Z_STRVAL_P(value);
1516 	fname_len = Z_STRLEN_P(value);
1517 
1518 phar_spl_fileinfo:
1519 	if (base_len) {
1520 		temp = expand_filepath(base, NULL);
1521 		if (!temp) {
1522 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Could not resolve file path");
1523 			if (save) {
1524 				efree(save);
1525 			}
1526 			return ZEND_HASH_APPLY_STOP;
1527 		}
1528 
1529 		base = temp;
1530 		base_len = strlen(base);
1531 
1532 		if (fname_len >= base_len && strncmp(fname, base, base_len) == 0 && ((ch = fname[base_len - IS_SLASH(base[base_len - 1])]) == '\0' || IS_SLASH(ch))) {
1533 			str_key_len = fname_len - base_len;
1534 
1535 			if (str_key_len <= 0) {
1536 				if (save) {
1537 					efree(save);
1538 					efree(temp);
1539 				}
1540 				return ZEND_HASH_APPLY_KEEP;
1541 			}
1542 
1543 			str_key = fname + base_len;
1544 
1545 			if (*str_key == '/' || *str_key == '\\') {
1546 				str_key++;
1547 				str_key_len--;
1548 			}
1549 
1550 		} else {
1551 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned a path \"%s\" that is not in the base directory \"%s\"", ZSTR_VAL(ce->name), fname, base);
1552 
1553 			if (save) {
1554 				efree(save);
1555 				efree(temp);
1556 			}
1557 
1558 			return ZEND_HASH_APPLY_STOP;
1559 		}
1560 	} else {
1561 		if (iter->funcs->get_current_key) {
1562 			zval key;
1563 			iter->funcs->get_current_key(iter, &key);
1564 
1565 			if (EG(exception)) {
1566 				return ZEND_HASH_APPLY_STOP;
1567 			}
1568 
1569 			if (Z_TYPE(key) != IS_STRING) {
1570 				zval_ptr_dtor(&key);
1571 				zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid key (must return a string)", ZSTR_VAL(ce->name));
1572 				return ZEND_HASH_APPLY_STOP;
1573 			}
1574 
1575 			str_key_len = Z_STRLEN(key);
1576 			str_key = estrndup(Z_STRVAL(key), str_key_len);
1577 
1578 			save = str_key;
1579 			zval_ptr_dtor_str(&key);
1580 		} else {
1581 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid key (must return a string)", ZSTR_VAL(ce->name));
1582 			return ZEND_HASH_APPLY_STOP;
1583 		}
1584 	}
1585 
1586 	if (php_check_open_basedir(fname)) {
1587 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned a path \"%s\" that open_basedir prevents opening", ZSTR_VAL(ce->name), fname);
1588 
1589 		if (save) {
1590 			efree(save);
1591 		}
1592 
1593 		if (temp) {
1594 			efree(temp);
1595 		}
1596 
1597 		return ZEND_HASH_APPLY_STOP;
1598 	}
1599 
1600 	/* try to open source file, then create internal phar file and copy contents */
1601 	fp = php_stream_open_wrapper(fname, "rb", STREAM_MUST_SEEK|0, &opened);
1602 
1603 	if (!fp) {
1604 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned a file that could not be opened \"%s\"", ZSTR_VAL(ce->name), fname);
1605 
1606 		if (save) {
1607 			efree(save);
1608 		}
1609 
1610 		if (temp) {
1611 			efree(temp);
1612 		}
1613 
1614 		return ZEND_HASH_APPLY_STOP;
1615 	}
1616 after_open_fp:
1617 	if (str_key_len >= sizeof(".phar")-1 && !memcmp(str_key, ".phar", sizeof(".phar")-1)) {
1618 		/* silently skip any files that would be added to the magic .phar directory */
1619 		if (save) {
1620 			efree(save);
1621 		}
1622 
1623 		if (temp) {
1624 			efree(temp);
1625 		}
1626 
1627 		if (opened) {
1628 			zend_string_release_ex(opened, 0);
1629 		}
1630 
1631 		if (close_fp) {
1632 			php_stream_close(fp);
1633 		}
1634 
1635 		return ZEND_HASH_APPLY_KEEP;
1636 	}
1637 
1638 	if (!(data = phar_get_or_create_entry_data(phar_obj->archive->fname, phar_obj->archive->fname_len, str_key, str_key_len, "w+b", 0, &error, 1))) {
1639 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Entry %s cannot be created: %s", str_key, error);
1640 		efree(error);
1641 
1642 		if (save) {
1643 			efree(save);
1644 		}
1645 
1646 		if (opened) {
1647 			zend_string_release_ex(opened, 0);
1648 		}
1649 
1650 		if (temp) {
1651 			efree(temp);
1652 		}
1653 
1654 		if (close_fp) {
1655 			php_stream_close(fp);
1656 		}
1657 
1658 		return ZEND_HASH_APPLY_STOP;
1659 
1660 	} else {
1661 		if (error) {
1662 			efree(error);
1663 		}
1664 		/* convert to PHAR_UFP */
1665 		if (data->internal_file->fp_type == PHAR_MOD) {
1666 			php_stream_close(data->internal_file->fp);
1667 		}
1668 
1669 		data->internal_file->fp = NULL;
1670 		data->internal_file->fp_type = PHAR_UFP;
1671 		data->internal_file->offset_abs = data->internal_file->offset = php_stream_tell(p_obj->fp);
1672 		data->fp = NULL;
1673 		php_stream_copy_to_stream_ex(fp, p_obj->fp, PHP_STREAM_COPY_ALL, &contents_len);
1674 		data->internal_file->uncompressed_filesize = data->internal_file->compressed_filesize =
1675 			php_stream_tell(p_obj->fp) - data->internal_file->offset;
1676 		if (php_stream_stat(fp, &ssb) != -1) {
1677 			data->internal_file->flags = ssb.sb.st_mode & PHAR_ENT_PERM_MASK ;
1678 		} else {
1679 #ifndef _WIN32
1680 			mode_t mask;
1681 			mask = umask(0);
1682 			umask(mask);
1683 			data->internal_file->flags &= ~mask;
1684 #endif
1685 		}
1686 	}
1687 
1688 	if (close_fp) {
1689 		php_stream_close(fp);
1690 	}
1691 
1692 	add_assoc_str(p_obj->ret, str_key, opened);
1693 
1694 	if (save) {
1695 		efree(save);
1696 	}
1697 
1698 	if (temp) {
1699 		efree(temp);
1700 	}
1701 
1702 	data->internal_file->compressed_filesize = data->internal_file->uncompressed_filesize = contents_len;
1703 	phar_entry_delref(data);
1704 
1705 	return ZEND_HASH_APPLY_KEEP;
1706 }
1707 /* }}} */
1708 
1709 /* {{{ Construct a phar archive from an existing directory, recursively.
1710  * Optional second parameter is a regular expression for filtering directory contents.
1711  *
1712  * Return value is an array mapping phar index to actual files added.
1713  */
PHP_METHOD(Phar,buildFromDirectory)1714 PHP_METHOD(Phar, buildFromDirectory)
1715 {
1716 	char *error;
1717 	bool apply_reg = 0;
1718 	zval arg, arg2, iter, iteriter, regexiter;
1719 	struct _phar_t pass;
1720 	zend_string *dir, *regex = NULL;
1721 
1722 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "P|S", &dir, &regex) == FAILURE) {
1723 		RETURN_THROWS();
1724 	}
1725 
1726 	PHAR_ARCHIVE_OBJECT();
1727 
1728 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
1729 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
1730 			"Cannot write to archive - write operations restricted by INI setting");
1731 		RETURN_THROWS();
1732 	}
1733 
1734 	if (SUCCESS != object_init_ex(&iter, spl_ce_RecursiveDirectoryIterator)) {
1735 		zval_ptr_dtor(&iter);
1736 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Unable to instantiate directory iterator for %s", phar_obj->archive->fname);
1737 		RETURN_THROWS();
1738 	}
1739 
1740 	ZVAL_STR(&arg, dir);
1741 	ZVAL_LONG(&arg2, SPL_FILE_DIR_SKIPDOTS|SPL_FILE_DIR_UNIXPATHS);
1742 
1743 	zend_call_known_instance_method_with_2_params(spl_ce_RecursiveDirectoryIterator->constructor,
1744 		Z_OBJ(iter), NULL, &arg, &arg2);
1745 
1746 	if (EG(exception)) {
1747 		zval_ptr_dtor(&iter);
1748 		RETURN_THROWS();
1749 	}
1750 
1751 	if (SUCCESS != object_init_ex(&iteriter, spl_ce_RecursiveIteratorIterator)) {
1752 		zval_ptr_dtor(&iter);
1753 		zval_ptr_dtor(&iteriter);
1754 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Unable to instantiate directory iterator for %s", phar_obj->archive->fname);
1755 		RETURN_THROWS();
1756 	}
1757 
1758 	zend_call_known_instance_method_with_1_params(spl_ce_RecursiveIteratorIterator->constructor,
1759 		Z_OBJ(iteriter), NULL, &iter);
1760 
1761 	if (EG(exception)) {
1762 		zval_ptr_dtor(&iter);
1763 		zval_ptr_dtor(&iteriter);
1764 		RETURN_THROWS();
1765 	}
1766 
1767 	zval_ptr_dtor(&iter);
1768 
1769 	if (regex && ZSTR_LEN(regex) > 0) {
1770 		apply_reg = 1;
1771 
1772 		if (SUCCESS != object_init_ex(&regexiter, spl_ce_RegexIterator)) {
1773 			zval_ptr_dtor(&iteriter);
1774 			zval_ptr_dtor(&regexiter);
1775 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Unable to instantiate regex iterator for %s", phar_obj->archive->fname);
1776 			RETURN_THROWS();
1777 		}
1778 
1779 		ZVAL_STR(&arg2, regex);
1780 		zend_call_known_instance_method_with_2_params(spl_ce_RegexIterator->constructor,
1781 			Z_OBJ(regexiter), NULL, &iteriter, &arg2);
1782 	}
1783 
1784 	array_init(return_value);
1785 
1786 	pass.c = apply_reg ? Z_OBJCE(regexiter) : Z_OBJCE(iteriter);
1787 	pass.p = phar_obj;
1788 	pass.base = dir;
1789 	pass.count = 0;
1790 	pass.ret = return_value;
1791 	pass.fp = php_stream_fopen_tmpfile();
1792 	if (pass.fp == NULL) {
1793 		zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" unable to create temporary file", phar_obj->archive->fname);
1794 		RETURN_THROWS();
1795 	}
1796 
1797 	if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
1798 		zval_ptr_dtor(&iteriter);
1799 		if (apply_reg) {
1800 			zval_ptr_dtor(&regexiter);
1801 		}
1802 		php_stream_close(pass.fp);
1803 		zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
1804 		RETURN_THROWS();
1805 	}
1806 
1807 	if (SUCCESS == spl_iterator_apply((apply_reg ? &regexiter : &iteriter), (spl_iterator_apply_func_t) phar_build, (void *) &pass)) {
1808 		zval_ptr_dtor(&iteriter);
1809 
1810 		if (apply_reg) {
1811 			zval_ptr_dtor(&regexiter);
1812 		}
1813 
1814 		phar_obj->archive->ufp = pass.fp;
1815 		phar_flush(phar_obj->archive, &error);
1816 
1817 		if (error) {
1818 			zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
1819 			efree(error);
1820 		}
1821 
1822 	} else {
1823 		zval_ptr_dtor(&iteriter);
1824 		if (apply_reg) {
1825 			zval_ptr_dtor(&regexiter);
1826 		}
1827 		php_stream_close(pass.fp);
1828 	}
1829 }
1830 /* }}} */
1831 
1832 /* {{{ Construct a phar archive from an iterator.  The iterator must return a series of strings
1833  * that are full paths to files that should be added to the phar.  The iterator key should
1834  * be the path that the file will have within the phar archive.
1835  *
1836  * If base directory is specified, then the key will be ignored, and instead the portion of
1837  * the current value minus the base directory will be used
1838  *
1839  * Returned is an array mapping phar index to actual file added
1840  */
PHP_METHOD(Phar,buildFromIterator)1841 PHP_METHOD(Phar, buildFromIterator)
1842 {
1843 	zval *obj;
1844 	char *error;
1845 	zend_string *base = ZSTR_EMPTY_ALLOC();
1846 	struct _phar_t pass;
1847 
1848 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "O|S!", &obj, zend_ce_traversable, &base) == FAILURE) {
1849 		RETURN_THROWS();
1850 	}
1851 
1852 	PHAR_ARCHIVE_OBJECT();
1853 
1854 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
1855 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
1856 			"Cannot write out phar archive, phar is read-only");
1857 		RETURN_THROWS();
1858 	}
1859 
1860 	if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
1861 		zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
1862 		RETURN_THROWS();
1863 	}
1864 
1865 	array_init(return_value);
1866 
1867 	pass.c = Z_OBJCE_P(obj);
1868 	pass.p = phar_obj;
1869 	pass.base = base;
1870 	pass.ret = return_value;
1871 	pass.count = 0;
1872 	pass.fp = php_stream_fopen_tmpfile();
1873 	if (pass.fp == NULL) {
1874 		zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\": unable to create temporary file", phar_obj->archive->fname);
1875 		RETURN_THROWS();
1876 	}
1877 
1878 	if (SUCCESS == spl_iterator_apply(obj, (spl_iterator_apply_func_t) phar_build, (void *) &pass)) {
1879 		phar_obj->archive->ufp = pass.fp;
1880 		phar_flush(phar_obj->archive, &error);
1881 		if (error) {
1882 			zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
1883 			efree(error);
1884 		}
1885 	} else {
1886 		php_stream_close(pass.fp);
1887 	}
1888 }
1889 /* }}} */
1890 
1891 /* {{{ Returns the number of entries in the Phar archive */
PHP_METHOD(Phar,count)1892 PHP_METHOD(Phar, count)
1893 {
1894 	/* mode can be ignored, maximum depth is 1 */
1895 	zend_long mode;
1896 
1897 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &mode) == FAILURE) {
1898 		RETURN_THROWS();
1899 	}
1900 
1901 	PHAR_ARCHIVE_OBJECT();
1902 
1903 	RETURN_LONG(zend_hash_num_elements(&phar_obj->archive->manifest));
1904 }
1905 /* }}} */
1906 
1907 /* {{{ Returns true if the phar archive is based on the tar/zip/phar file format depending
1908  * on whether Phar::TAR, Phar::ZIP or Phar::PHAR was passed in
1909  */
PHP_METHOD(Phar,isFileFormat)1910 PHP_METHOD(Phar, isFileFormat)
1911 {
1912 	zend_long type;
1913 
1914 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &type) == FAILURE) {
1915 		RETURN_THROWS();
1916 	}
1917 
1918 	PHAR_ARCHIVE_OBJECT();
1919 
1920 	switch (type) {
1921 		case PHAR_FORMAT_TAR:
1922 			RETURN_BOOL(phar_obj->archive->is_tar);
1923 		case PHAR_FORMAT_ZIP:
1924 			RETURN_BOOL(phar_obj->archive->is_zip);
1925 		case PHAR_FORMAT_PHAR:
1926 			RETURN_BOOL(!phar_obj->archive->is_tar && !phar_obj->archive->is_zip);
1927 		default:
1928 			zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown file format specified");
1929 	}
1930 }
1931 /* }}} */
1932 
phar_copy_file_contents(phar_entry_info * entry,php_stream * fp)1933 static zend_result phar_copy_file_contents(phar_entry_info *entry, php_stream *fp) /* {{{ */
1934 {
1935 	char *error;
1936 	zend_off_t offset;
1937 	phar_entry_info *link;
1938 
1939 	if (FAILURE == phar_open_entry_fp(entry, &error, 1)) {
1940 		if (error) {
1941 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
1942 				"Cannot convert phar archive \"%s\", unable to open entry \"%s\" contents: %s", entry->phar->fname, entry->filename, error);
1943 			efree(error);
1944 		} else {
1945 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
1946 				"Cannot convert phar archive \"%s\", unable to open entry \"%s\" contents", entry->phar->fname, entry->filename);
1947 		}
1948 		return FAILURE;
1949 	}
1950 
1951 	/* copy old contents in entirety */
1952 	phar_seek_efp(entry, 0, SEEK_SET, 0, 1);
1953 	offset = php_stream_tell(fp);
1954 	link = phar_get_link_source(entry);
1955 
1956 	if (!link) {
1957 		link = entry;
1958 	}
1959 
1960 	if (SUCCESS != php_stream_copy_to_stream_ex(phar_get_efp(link, 0), fp, link->uncompressed_filesize, NULL)) {
1961 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
1962 			"Cannot convert phar archive \"%s\", unable to copy entry \"%s\" contents", entry->phar->fname, entry->filename);
1963 		return FAILURE;
1964 	}
1965 
1966 	if (entry->fp_type == PHAR_MOD) {
1967 		/* save for potential restore on error */
1968 		entry->cfp = entry->fp;
1969 		entry->fp = NULL;
1970 	}
1971 
1972 	/* set new location of file contents */
1973 	entry->fp_type = PHAR_FP;
1974 	entry->offset = offset;
1975 	return SUCCESS;
1976 }
1977 /* }}} */
1978 
phar_rename_archive(phar_archive_data ** sphar,char * ext)1979 static zend_object *phar_rename_archive(phar_archive_data **sphar, char *ext) /* {{{ */
1980 {
1981 	const char *oldname = NULL;
1982 	phar_archive_data *phar = *sphar;
1983 	char *oldpath = NULL;
1984 	char *basename = NULL, *basepath = NULL;
1985 	char *newname = NULL, *newpath = NULL;
1986 	zval ret, arg1;
1987 	zend_class_entry *ce;
1988 	char *error = NULL;
1989 	const char *pcr_error;
1990 	size_t ext_len = ext ? strlen(ext) : 0;
1991 	size_t new_len, oldname_len, phar_ext_len;
1992 	phar_archive_data *pphar = NULL;
1993 	php_stream_statbuf ssb;
1994 
1995 	int phar_ext_list_len, i = 0;
1996 	char *ext_pos = NULL;
1997 	/* Array of PHAR extensions, Must be in order, starting with longest
1998 	 * ending with the shortest. */
1999 	static const char *const phar_ext_list[] = {
2000 		".phar.tar.bz2",
2001 		".phar.tar.gz",
2002 		".phar.php",
2003 		".phar.bz2",
2004 		".phar.zip",
2005 		".phar.tar",
2006 		".phar.gz",
2007 		".tar.bz2",
2008 		".tar.gz",
2009 		".phar",
2010 		".tar",
2011 		".zip"
2012 	};
2013 
2014 	if (!ext) {
2015 		if (phar->is_zip) {
2016 
2017 			if (phar->is_data) {
2018 				ext = "zip";
2019 			} else {
2020 				ext = "phar.zip";
2021 			}
2022 
2023 		} else if (phar->is_tar) {
2024 
2025 			switch (phar->flags) {
2026 				case PHAR_FILE_COMPRESSED_GZ:
2027 					if (phar->is_data) {
2028 						ext = "tar.gz";
2029 					} else {
2030 						ext = "phar.tar.gz";
2031 					}
2032 					break;
2033 				case PHAR_FILE_COMPRESSED_BZ2:
2034 					if (phar->is_data) {
2035 						ext = "tar.bz2";
2036 					} else {
2037 						ext = "phar.tar.bz2";
2038 					}
2039 					break;
2040 				default:
2041 					if (phar->is_data) {
2042 						ext = "tar";
2043 					} else {
2044 						ext = "phar.tar";
2045 					}
2046 			}
2047 		} else {
2048 
2049 			switch (phar->flags) {
2050 				case PHAR_FILE_COMPRESSED_GZ:
2051 					ext = "phar.gz";
2052 					break;
2053 				case PHAR_FILE_COMPRESSED_BZ2:
2054 					ext = "phar.bz2";
2055 					break;
2056 				default:
2057 					ext = "phar";
2058 			}
2059 		}
2060 	} else if (phar_path_check(&ext, &ext_len, &pcr_error) > pcr_is_ok) {
2061 
2062 		if (phar->is_data) {
2063 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "data phar converted from \"%s\" has invalid extension %s", phar->fname, ext);
2064 		} else {
2065 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "phar converted from \"%s\" has invalid extension %s", phar->fname, ext);
2066 		}
2067 		return NULL;
2068 	}
2069 
2070 
2071 	oldpath = estrndup(phar->fname, phar->fname_len);
2072 	if ((oldname = zend_memrchr(phar->fname, '/', phar->fname_len))) {
2073 		++oldname;
2074 	} else {
2075 		oldname = phar->fname;
2076 	}
2077 
2078 	oldname_len = strlen(oldname);
2079 	/* Copy the old name to create base for the new name */
2080 	basename = estrndup(oldname, oldname_len);
2081 
2082 	phar_ext_list_len = sizeof(phar_ext_list)/sizeof(phar_ext_list[0]);
2083 	/* Remove possible PHAR extensions */
2084 	/* phar_ext_list must be in order of longest extension to shortest */
2085 	for (i=0; i < phar_ext_list_len; i++) {
2086 		phar_ext_len = strlen(phar_ext_list[i]);
2087 		if (phar_ext_len && oldname_len > phar_ext_len) {
2088 			/* Check if the basename strings ends with the extension */
2089 			if (memcmp(phar_ext_list[i], basename + (oldname_len - phar_ext_len), phar_ext_len) == 0) {
2090 				ext_pos = basename + (oldname_len - phar_ext_len);
2091 				ext_pos[0] = '\0';
2092 				break;
2093 			}
2094 		}
2095 		ext_pos = NULL;
2096 	}
2097 
2098 	/* If no default PHAR extension found remove the last extension */
2099 	if (!ext_pos) {
2100 		ext_pos = strrchr(basename, '.');
2101 		if (ext_pos) {
2102 			ext_pos[0] = '\0';
2103 		}
2104 	}
2105 	ext_pos = NULL;
2106 
2107 	if (ext[0] == '.') {
2108 		++ext;
2109 	}
2110 	/* Append extension to the basename */
2111 	spprintf(&newname, 0, "%s.%s", basename, ext);
2112 	efree(basename);
2113 
2114 	basepath = estrndup(oldpath, (strlen(oldpath) - oldname_len));
2115 	new_len = spprintf(&newpath, 0, "%s%s", basepath, newname);
2116 	phar->fname_len = new_len;
2117 	phar->fname = newpath;
2118 	phar->ext = newpath + phar->fname_len - strlen(ext) - 1;
2119 	efree(basepath);
2120 	efree(newname);
2121 
2122 	if (PHAR_G(manifest_cached) && NULL != (pphar = zend_hash_str_find_ptr(&cached_phars, newpath, phar->fname_len))) {
2123 		efree(oldpath);
2124 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Unable to add newly converted phar \"%s\" to the list of phars, new phar name is in phar.cache_list", phar->fname);
2125 		return NULL;
2126 	}
2127 
2128 	if (NULL != (pphar = zend_hash_str_find_ptr(&(PHAR_G(phar_fname_map)), newpath, phar->fname_len))) {
2129 		if (pphar->fname_len == phar->fname_len && !memcmp(pphar->fname, phar->fname, phar->fname_len)) {
2130 			if (!zend_hash_num_elements(&phar->manifest)) {
2131 				pphar->is_tar = phar->is_tar;
2132 				pphar->is_zip = phar->is_zip;
2133 				pphar->is_data = phar->is_data;
2134 				pphar->flags = phar->flags;
2135 				pphar->fp = phar->fp;
2136 				phar->fp = NULL;
2137 				/* FIX: GH-10755 Double-free issue caught by ASAN check */
2138 				pphar->alias = phar->alias; /* Transfer alias to pphar to */
2139 				phar->alias = NULL;         /* avoid being free'd twice   */
2140 				phar_destroy_phar_data(phar);
2141 				*sphar = NULL;
2142 				phar = pphar;
2143 				newpath = oldpath;
2144 				goto its_ok;
2145 			}
2146 		}
2147 
2148 		efree(oldpath);
2149 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Unable to add newly converted phar \"%s\" to the list of phars, a phar with that name already exists", phar->fname);
2150 		return NULL;
2151 	}
2152 its_ok:
2153 	if (SUCCESS == php_stream_stat_path(newpath, &ssb)) {
2154 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "phar \"%s\" exists and must be unlinked prior to conversion", newpath);
2155 		efree(oldpath);
2156 		return NULL;
2157 	}
2158 	if (!phar->is_data) {
2159 		if (SUCCESS != phar_detect_phar_fname_ext(newpath, phar->fname_len, (const char **) &(phar->ext), &ext_len, 1, 1, 1)) {
2160 			efree(oldpath);
2161 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "phar \"%s\" has invalid extension %s", phar->fname, ext);
2162 			return NULL;
2163 		}
2164 		phar->ext_len = ext_len;
2165 
2166 		if (phar->alias) {
2167 			if (phar->is_temporary_alias) {
2168 				phar->alias = NULL;
2169 				phar->alias_len = 0;
2170 			} else {
2171 				phar->alias = estrndup(newpath, strlen(newpath));
2172 				phar->alias_len = strlen(newpath);
2173 				phar->is_temporary_alias = 1;
2174 				zend_hash_str_update_ptr(&(PHAR_G(phar_alias_map)), newpath, phar->fname_len, phar);
2175 			}
2176 		}
2177 
2178 	} else {
2179 
2180 		if (SUCCESS != phar_detect_phar_fname_ext(newpath, phar->fname_len, (const char **) &(phar->ext), &ext_len, 0, 1, 1)) {
2181 			efree(oldpath);
2182 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "data phar \"%s\" has invalid extension %s", phar->fname, ext);
2183 			return NULL;
2184 		}
2185 		phar->ext_len = ext_len;
2186 
2187 		phar->alias = NULL;
2188 		phar->alias_len = 0;
2189 	}
2190 
2191 	if ((!pphar || phar == pphar) && NULL == zend_hash_str_update_ptr(&(PHAR_G(phar_fname_map)), newpath, phar->fname_len, phar)) {
2192 		efree(oldpath);
2193 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Unable to add newly converted phar \"%s\" to the list of phars", phar->fname);
2194 		return NULL;
2195 	}
2196 
2197 	phar_flush_ex(phar, NULL, 1, &error);
2198 
2199 	if (error) {
2200 		zend_hash_str_del(&(PHAR_G(phar_fname_map)), newpath, phar->fname_len);
2201 		*sphar = NULL;
2202 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "%s", error);
2203 		efree(error);
2204 		efree(oldpath);
2205 		return NULL;
2206 	}
2207 
2208 	efree(oldpath);
2209 
2210 	if (phar->is_data) {
2211 		ce = phar_ce_data;
2212 	} else {
2213 		ce = phar_ce_archive;
2214 	}
2215 
2216 	ZVAL_NULL(&ret);
2217 	if (SUCCESS != object_init_ex(&ret, ce)) {
2218 		zval_ptr_dtor(&ret);
2219 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Unable to instantiate phar object when converting archive \"%s\"", phar->fname);
2220 		return NULL;
2221 	}
2222 
2223 	ZVAL_STRINGL(&arg1, phar->fname, phar->fname_len);
2224 
2225 	zend_call_known_instance_method_with_1_params(ce->constructor, Z_OBJ(ret), NULL, &arg1);
2226 	zval_ptr_dtor(&arg1);
2227 	return Z_OBJ(ret);
2228 }
2229 /* }}} */
2230 
phar_convert_to_other(phar_archive_data * source,int convert,char * ext,uint32_t flags)2231 static zend_object *phar_convert_to_other(phar_archive_data *source, int convert, char *ext, uint32_t flags) /* {{{ */
2232 {
2233 	phar_archive_data *phar;
2234 	phar_entry_info *entry, newentry;
2235 	zend_object *ret;
2236 
2237 	/* invalidate phar cache */
2238 	PHAR_G(last_phar) = NULL;
2239 	PHAR_G(last_phar_name) = PHAR_G(last_alias) = NULL;
2240 
2241 	phar = (phar_archive_data *) ecalloc(1, sizeof(phar_archive_data));
2242 	/* set whole-archive compression and type from parameter */
2243 	phar->flags = flags;
2244 	phar->is_data = source->is_data;
2245 
2246 	switch (convert) {
2247 		case PHAR_FORMAT_TAR:
2248 			phar->is_tar = 1;
2249 			break;
2250 		case PHAR_FORMAT_ZIP:
2251 			phar->is_zip = 1;
2252 			break;
2253 		default:
2254 			phar->is_data = 0;
2255 			break;
2256 	}
2257 
2258 	zend_hash_init(&(phar->manifest), sizeof(phar_entry_info),
2259 		zend_get_hash_value, destroy_phar_manifest_entry, 0);
2260 	zend_hash_init(&phar->mounted_dirs, sizeof(char *),
2261 		zend_get_hash_value, NULL, 0);
2262 	zend_hash_init(&phar->virtual_dirs, sizeof(char *),
2263 		zend_get_hash_value, NULL, 0);
2264 
2265 	phar->fp = php_stream_fopen_tmpfile();
2266 	if (phar->fp == NULL) {
2267 		zend_throw_exception_ex(phar_ce_PharException, 0, "unable to create temporary file");
2268 		return NULL;
2269 	}
2270 	phar->fname = source->fname;
2271 	phar->fname_len = source->fname_len;
2272 	phar->is_temporary_alias = source->is_temporary_alias;
2273 	phar->alias = source->alias;
2274 
2275 	phar_metadata_tracker_copy(&phar->metadata_tracker, &source->metadata_tracker, phar->is_persistent);
2276 
2277 	/* first copy each file's uncompressed contents to a temporary file and set per-file flags */
2278 	ZEND_HASH_MAP_FOREACH_PTR(&source->manifest, entry) {
2279 
2280 		newentry = *entry;
2281 
2282 		if (newentry.link) {
2283 			newentry.link = estrdup(newentry.link);
2284 			goto no_copy;
2285 		}
2286 
2287 		if (newentry.tmp) {
2288 			newentry.tmp = estrdup(newentry.tmp);
2289 			goto no_copy;
2290 		}
2291 
2292 		if (FAILURE == phar_copy_file_contents(&newentry, phar->fp)) {
2293 			zend_hash_destroy(&(phar->manifest));
2294 			php_stream_close(phar->fp);
2295 			efree(phar);
2296 			/* exception already thrown */
2297 			return NULL;
2298 		}
2299 no_copy:
2300 		newentry.filename = estrndup(newentry.filename, newentry.filename_len);
2301 
2302 		phar_metadata_tracker_clone(&newentry.metadata_tracker);
2303 
2304 		newentry.is_zip = phar->is_zip;
2305 		newentry.is_tar = phar->is_tar;
2306 
2307 		if (newentry.is_tar) {
2308 			newentry.tar_type = (entry->is_dir ? TAR_DIR : TAR_FILE);
2309 		}
2310 
2311 		/* The header offset is only used for unmodified zips.
2312 		 * Once modified, phar_zip_changed_apply_int() will update the header_offset. */
2313 		newentry.header_offset = 0;
2314 		newentry.is_modified = 1;
2315 		newentry.phar = phar;
2316 		newentry.old_flags = newentry.flags & ~PHAR_ENT_COMPRESSION_MASK; /* remove compression from old_flags */
2317 		phar_set_inode(&newentry);
2318 		zend_hash_str_add_mem(&(phar->manifest), newentry.filename, newentry.filename_len, (void*)&newentry, sizeof(phar_entry_info));
2319 		phar_add_virtual_dirs(phar, newentry.filename, newentry.filename_len);
2320 	} ZEND_HASH_FOREACH_END();
2321 
2322 	if ((ret = phar_rename_archive(&phar, ext))) {
2323 		return ret;
2324 	} else {
2325 		if(phar != NULL) {
2326 			zend_hash_destroy(&(phar->manifest));
2327 			zend_hash_destroy(&(phar->mounted_dirs));
2328 			zend_hash_destroy(&(phar->virtual_dirs));
2329 			if (phar->fp) {
2330 				php_stream_close(phar->fp);
2331 			}
2332 			efree(phar->fname);
2333 			efree(phar);
2334 		}
2335 		return NULL;
2336 	}
2337 }
2338 /* }}} */
2339 
2340 /* {{{ Convert a phar.tar or phar.zip archive to the phar file format. The
2341  * optional parameter allows the user to determine the new
2342  * filename extension (default is phar).
2343  */
PHP_METHOD(Phar,convertToExecutable)2344 PHP_METHOD(Phar, convertToExecutable)
2345 {
2346 	char *ext = NULL;
2347 	int is_data;
2348 	size_t ext_len = 0;
2349 	uint32_t flags;
2350 	zend_object *ret;
2351 	zend_long format, method;
2352 	bool format_is_null = 1, method_is_null = 1;
2353 
2354 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l!l!s!", &format, &format_is_null, &method, &method_is_null, &ext, &ext_len) == FAILURE) {
2355 		RETURN_THROWS();
2356 	}
2357 
2358 	PHAR_ARCHIVE_OBJECT();
2359 
2360 	if (PHAR_G(readonly)) {
2361 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2362 			"Cannot write out executable phar archive, phar is read-only");
2363 		RETURN_THROWS();
2364 	}
2365 
2366 	if (format_is_null) {
2367 		format = PHAR_FORMAT_SAME;
2368 	}
2369 	switch (format) {
2370 		case 9021976: /* Retained for BC */
2371 		case PHAR_FORMAT_SAME:
2372 			/* by default, use the existing format */
2373 			if (phar_obj->archive->is_tar) {
2374 				format = PHAR_FORMAT_TAR;
2375 			} else if (phar_obj->archive->is_zip) {
2376 				format = PHAR_FORMAT_ZIP;
2377 			} else {
2378 				format = PHAR_FORMAT_PHAR;
2379 			}
2380 			break;
2381 		case PHAR_FORMAT_PHAR:
2382 		case PHAR_FORMAT_TAR:
2383 		case PHAR_FORMAT_ZIP:
2384 			break;
2385 		default:
2386 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2387 				"Unknown file format specified, please pass one of Phar::PHAR, Phar::TAR or Phar::ZIP");
2388 			RETURN_THROWS();
2389 	}
2390 
2391 	if (method_is_null) {
2392 		flags = phar_obj->archive->flags & PHAR_FILE_COMPRESSION_MASK;
2393 	} else {
2394 		switch (method) {
2395 		case 9021976: /* Retained for BC */
2396 			flags = phar_obj->archive->flags & PHAR_FILE_COMPRESSION_MASK;
2397 			break;
2398 		case 0:
2399 			flags = PHAR_FILE_COMPRESSED_NONE;
2400 			break;
2401 		case PHAR_ENT_COMPRESSED_GZ:
2402 			if (format == PHAR_FORMAT_ZIP) {
2403 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2404 					"Cannot compress entire archive with gzip, zip archives do not support whole-archive compression");
2405 				RETURN_THROWS();
2406 			}
2407 
2408 			if (!PHAR_G(has_zlib)) {
2409 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2410 					"Cannot compress entire archive with gzip, enable ext/zlib in php.ini");
2411 				RETURN_THROWS();
2412 			}
2413 
2414 			flags = PHAR_FILE_COMPRESSED_GZ;
2415 			break;
2416 		case PHAR_ENT_COMPRESSED_BZ2:
2417 			if (format == PHAR_FORMAT_ZIP) {
2418 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2419 					"Cannot compress entire archive with bz2, zip archives do not support whole-archive compression");
2420 				RETURN_THROWS();
2421 			}
2422 
2423 			if (!PHAR_G(has_bz2)) {
2424 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2425 					"Cannot compress entire archive with bz2, enable ext/bz2 in php.ini");
2426 				RETURN_THROWS();
2427 			}
2428 
2429 			flags = PHAR_FILE_COMPRESSED_BZ2;
2430 			break;
2431 		default:
2432 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2433 				"Unknown compression specified, please pass one of Phar::GZ or Phar::BZ2");
2434 			RETURN_THROWS();
2435 		}
2436 	}
2437 
2438 	is_data = phar_obj->archive->is_data;
2439 	phar_obj->archive->is_data = 0;
2440 	ret = phar_convert_to_other(phar_obj->archive, format, ext, flags);
2441 	phar_obj->archive->is_data = is_data;
2442 
2443 	if (ret) {
2444 		RETURN_OBJ(ret);
2445 	} else {
2446 		RETURN_NULL();
2447 	}
2448 }
2449 /* }}} */
2450 
2451 /* {{{ Convert an archive to a non-executable .tar or .zip.
2452  * The optional parameter allows the user to determine the new
2453  * filename extension (default is .zip or .tar).
2454  */
PHP_METHOD(Phar,convertToData)2455 PHP_METHOD(Phar, convertToData)
2456 {
2457 	char *ext = NULL;
2458 	int is_data;
2459 	size_t ext_len = 0;
2460 	uint32_t flags;
2461 	zend_object *ret;
2462 	zend_long format, method;
2463 	bool format_is_null = 1, method_is_null = 1;
2464 
2465 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l!l!s!", &format, &format_is_null, &method, &method_is_null, &ext, &ext_len) == FAILURE) {
2466 		RETURN_THROWS();
2467 	}
2468 
2469 	PHAR_ARCHIVE_OBJECT();
2470 
2471 	if (format_is_null) {
2472 		format = PHAR_FORMAT_SAME;
2473 	}
2474 	switch (format) {
2475 		case 9021976: /* Retained for BC */
2476 		case PHAR_FORMAT_SAME:
2477 			/* by default, use the existing format */
2478 			if (phar_obj->archive->is_tar) {
2479 				format = PHAR_FORMAT_TAR;
2480 			} else if (phar_obj->archive->is_zip) {
2481 				format = PHAR_FORMAT_ZIP;
2482 			} else {
2483 				zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2484 					"Cannot write out data phar archive, use Phar::TAR or Phar::ZIP");
2485 				RETURN_THROWS();
2486 			}
2487 			break;
2488 		case PHAR_FORMAT_PHAR:
2489 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2490 				"Cannot write out data phar archive, use Phar::TAR or Phar::ZIP");
2491 			RETURN_THROWS();
2492 		case PHAR_FORMAT_TAR:
2493 		case PHAR_FORMAT_ZIP:
2494 			break;
2495 		default:
2496 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2497 				"Unknown file format specified, please pass one of Phar::TAR or Phar::ZIP");
2498 			RETURN_THROWS();
2499 	}
2500 
2501 	if (method_is_null) {
2502 		flags = phar_obj->archive->flags & PHAR_FILE_COMPRESSION_MASK;
2503 	} else  {
2504 		switch (method) {
2505 		case 9021976: /* Retained for BC */
2506 			flags = phar_obj->archive->flags & PHAR_FILE_COMPRESSION_MASK;
2507 			break;
2508 		case 0:
2509 			flags = PHAR_FILE_COMPRESSED_NONE;
2510 			break;
2511 		case PHAR_ENT_COMPRESSED_GZ:
2512 			if (format == PHAR_FORMAT_ZIP) {
2513 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2514 					"Cannot compress entire archive with gzip, zip archives do not support whole-archive compression");
2515 				RETURN_THROWS();
2516 			}
2517 
2518 			if (!PHAR_G(has_zlib)) {
2519 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2520 					"Cannot compress entire archive with gzip, enable ext/zlib in php.ini");
2521 				RETURN_THROWS();
2522 			}
2523 
2524 			flags = PHAR_FILE_COMPRESSED_GZ;
2525 			break;
2526 		case PHAR_ENT_COMPRESSED_BZ2:
2527 			if (format == PHAR_FORMAT_ZIP) {
2528 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2529 					"Cannot compress entire archive with bz2, zip archives do not support whole-archive compression");
2530 				RETURN_THROWS();
2531 			}
2532 
2533 			if (!PHAR_G(has_bz2)) {
2534 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2535 					"Cannot compress entire archive with bz2, enable ext/bz2 in php.ini");
2536 				RETURN_THROWS();
2537 			}
2538 
2539 			flags = PHAR_FILE_COMPRESSED_BZ2;
2540 			break;
2541 		default:
2542 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
2543 				"Unknown compression specified, please pass one of Phar::GZ or Phar::BZ2");
2544 			RETURN_THROWS();
2545 		}
2546 	}
2547 
2548 	is_data = phar_obj->archive->is_data;
2549 	phar_obj->archive->is_data = 1;
2550 	ret = phar_convert_to_other(phar_obj->archive, (int)format, ext, flags);
2551 	phar_obj->archive->is_data = is_data;
2552 
2553 	if (ret) {
2554 		RETURN_OBJ(ret);
2555 	} else {
2556 		RETURN_NULL();
2557 	}
2558 }
2559 /* }}} */
2560 
2561 /* {{{ Returns Phar::GZ or PHAR::BZ2 if the entire archive is compressed
2562  * (.tar.gz/tar.bz2 and so on), or FALSE otherwise.
2563  */
PHP_METHOD(Phar,isCompressed)2564 PHP_METHOD(Phar, isCompressed)
2565 {
2566 	if (zend_parse_parameters_none() == FAILURE) {
2567 		RETURN_THROWS();
2568 	}
2569 
2570 	PHAR_ARCHIVE_OBJECT();
2571 
2572 	if (phar_obj->archive->flags & PHAR_FILE_COMPRESSED_GZ) {
2573 		RETURN_LONG(PHAR_ENT_COMPRESSED_GZ);
2574 	}
2575 
2576 	if (phar_obj->archive->flags & PHAR_FILE_COMPRESSED_BZ2) {
2577 		RETURN_LONG(PHAR_ENT_COMPRESSED_BZ2);
2578 	}
2579 
2580 	RETURN_FALSE;
2581 }
2582 /* }}} */
2583 
2584 /* {{{ Returns true if phar.readonly=0 or phar is a PharData AND the actual file is writable. */
PHP_METHOD(Phar,isWritable)2585 PHP_METHOD(Phar, isWritable)
2586 {
2587 	php_stream_statbuf ssb;
2588 
2589 	if (zend_parse_parameters_none() == FAILURE) {
2590 		RETURN_THROWS();
2591 	}
2592 
2593 	PHAR_ARCHIVE_OBJECT();
2594 
2595 	if (!phar_obj->archive->is_writeable) {
2596 		RETURN_FALSE;
2597 	}
2598 
2599 	if (SUCCESS != php_stream_stat_path(phar_obj->archive->fname, &ssb)) {
2600 		if (phar_obj->archive->is_brandnew) {
2601 			/* assume it works if the file doesn't exist yet */
2602 			RETURN_TRUE;
2603 		}
2604 		RETURN_FALSE;
2605 	}
2606 
2607 	RETURN_BOOL((ssb.sb.st_mode & (S_IWOTH | S_IWGRP | S_IWUSR)) != 0);
2608 }
2609 /* }}} */
2610 
2611 /* {{{ Deletes a named file within the archive. */
PHP_METHOD(Phar,delete)2612 PHP_METHOD(Phar, delete)
2613 {
2614 	zend_string *file_name;
2615 	char *error;
2616 	phar_entry_info *entry;
2617 
2618 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "P", &file_name) == FAILURE) {
2619 		RETURN_THROWS();
2620 	}
2621 
2622 	PHAR_ARCHIVE_OBJECT();
2623 
2624 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
2625 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2626 			"Cannot write out phar archive, phar is read-only");
2627 		RETURN_THROWS();
2628 	}
2629 
2630 	if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
2631 		zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
2632 		RETURN_THROWS();
2633 	}
2634 	if (NULL != (entry = zend_hash_find_ptr(&phar_obj->archive->manifest, file_name))) {
2635 		if (entry->is_deleted) {
2636 			/* entry is deleted, but has not been flushed to disk yet */
2637 			RETURN_TRUE;
2638 		} else {
2639 			entry->is_deleted = 1;
2640 			entry->is_modified = 1;
2641 			phar_obj->archive->is_modified = 1;
2642 		}
2643 	} else {
2644 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Entry %s does not exist and cannot be deleted", ZSTR_VAL(file_name));
2645 		RETURN_THROWS();
2646 	}
2647 
2648 	phar_flush(phar_obj->archive, &error);
2649 	if (error) {
2650 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
2651 		efree(error);
2652 		RETURN_THROWS();
2653 	}
2654 
2655 	RETURN_TRUE;
2656 }
2657 /* }}} */
2658 
2659 /* {{{ Returns the alias for the Phar or NULL. */
PHP_METHOD(Phar,getAlias)2660 PHP_METHOD(Phar, getAlias)
2661 {
2662 	if (zend_parse_parameters_none() == FAILURE) {
2663 		RETURN_THROWS();
2664 	}
2665 
2666 	PHAR_ARCHIVE_OBJECT();
2667 
2668 	if (phar_obj->archive->alias && phar_obj->archive->alias != phar_obj->archive->fname) {
2669 		RETURN_STRINGL(phar_obj->archive->alias, phar_obj->archive->alias_len);
2670 	}
2671 }
2672 /* }}} */
2673 
2674 /* {{{ Returns the real path to the phar archive on disk */
PHP_METHOD(Phar,getPath)2675 PHP_METHOD(Phar, getPath)
2676 {
2677 	if (zend_parse_parameters_none() == FAILURE) {
2678 		RETURN_THROWS();
2679 	}
2680 
2681 	PHAR_ARCHIVE_OBJECT();
2682 
2683 	RETURN_STRINGL(phar_obj->archive->fname, phar_obj->archive->fname_len);
2684 }
2685 /* }}} */
2686 
2687 /* {{{ Sets the alias for a Phar archive. The default value is the full path
2688  * to the archive.
2689  */
PHP_METHOD(Phar,setAlias)2690 PHP_METHOD(Phar, setAlias)
2691 {
2692 	zend_string *new_alias = NULL;
2693 	char *error, *oldalias;
2694 	phar_archive_data *fd_ptr;
2695 	size_t oldalias_len;
2696 	int old_temp, readd = 0;
2697 
2698 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "S", &new_alias) == FAILURE) {
2699 		RETURN_THROWS();
2700 	}
2701 
2702 	PHAR_ARCHIVE_OBJECT();
2703 
2704 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
2705 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2706 			"Cannot write out phar archive, phar is read-only");
2707 		RETURN_THROWS();
2708 	}
2709 
2710 	/* invalidate phar cache */
2711 	PHAR_G(last_phar) = NULL;
2712 	PHAR_G(last_phar_name) = PHAR_G(last_alias) = NULL;
2713 
2714 	if (phar_obj->archive->is_data) {
2715 		if (phar_obj->archive->is_tar) {
2716 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2717 				"A Phar alias cannot be set in a plain tar archive");
2718 		} else {
2719 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2720 				"A Phar alias cannot be set in a plain zip archive");
2721 		}
2722 		RETURN_THROWS();
2723 	}
2724 
2725 	if (zend_string_equals_cstr(new_alias, phar_obj->archive->alias, phar_obj->archive->alias_len)) {
2726 		RETURN_TRUE;
2727 	}
2728 	if (NULL != (fd_ptr = zend_hash_find_ptr(&(PHAR_G(phar_alias_map)), new_alias))) {
2729 		spprintf(&error, 0, "alias \"%s\" is already used for archive \"%s\" and cannot be used for other archives", ZSTR_VAL(new_alias), fd_ptr->fname);
2730 		if (SUCCESS == phar_free_alias(fd_ptr, ZSTR_VAL(new_alias), ZSTR_LEN(new_alias))) {
2731 			efree(error);
2732 			goto valid_alias;
2733 		}
2734 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
2735 		efree(error);
2736 		RETURN_THROWS();
2737 	}
2738 	if (!phar_validate_alias(ZSTR_VAL(new_alias), ZSTR_LEN(new_alias))) {
2739 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2740 			"Invalid alias \"%s\" specified for phar \"%s\"", ZSTR_VAL(new_alias), phar_obj->archive->fname);
2741 		RETURN_THROWS();
2742 	}
2743 valid_alias:
2744 	if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
2745 		zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
2746 		RETURN_THROWS();
2747 	}
2748 	if (phar_obj->archive->alias_len && NULL != (fd_ptr = zend_hash_str_find_ptr(&(PHAR_G(phar_alias_map)), phar_obj->archive->alias, phar_obj->archive->alias_len))) {
2749 		zend_hash_str_del(&(PHAR_G(phar_alias_map)), phar_obj->archive->alias, phar_obj->archive->alias_len);
2750 		readd = 1;
2751 	}
2752 
2753 	oldalias = phar_obj->archive->alias;
2754 	oldalias_len = phar_obj->archive->alias_len;
2755 	old_temp = phar_obj->archive->is_temporary_alias;
2756 
2757 	phar_obj->archive->alias = estrndup(ZSTR_VAL(new_alias), ZSTR_LEN(new_alias));
2758 	phar_obj->archive->alias_len = ZSTR_LEN(new_alias);
2759 	phar_obj->archive->is_temporary_alias = 0;
2760 	phar_flush(phar_obj->archive, &error);
2761 
2762 	if (error) {
2763 		phar_obj->archive->alias = oldalias;
2764 		phar_obj->archive->alias_len = oldalias_len;
2765 		phar_obj->archive->is_temporary_alias = old_temp;
2766 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
2767 		if (readd) {
2768 			zend_hash_str_add_ptr(&(PHAR_G(phar_alias_map)), oldalias, oldalias_len, phar_obj->archive);
2769 		}
2770 		efree(error);
2771 		RETURN_THROWS();
2772 	}
2773 
2774 	zend_hash_add_ptr(&(PHAR_G(phar_alias_map)), new_alias, phar_obj->archive);
2775 
2776 	if (oldalias) {
2777 		efree(oldalias);
2778 	}
2779 
2780 	RETURN_TRUE;
2781 }
2782 /* }}} */
2783 
2784 /* {{{ Return version info of Phar archive */
PHP_METHOD(Phar,getVersion)2785 PHP_METHOD(Phar, getVersion)
2786 {
2787 	if (zend_parse_parameters_none() == FAILURE) {
2788 		RETURN_THROWS();
2789 	}
2790 
2791 	PHAR_ARCHIVE_OBJECT();
2792 
2793 	RETURN_STRING(phar_obj->archive->version);
2794 }
2795 /* }}} */
2796 
2797 /* {{{ Do not flush a writeable phar (save its contents) until explicitly requested */
PHP_METHOD(Phar,startBuffering)2798 PHP_METHOD(Phar, startBuffering)
2799 {
2800 	if (zend_parse_parameters_none() == FAILURE) {
2801 		RETURN_THROWS();
2802 	}
2803 
2804 	PHAR_ARCHIVE_OBJECT();
2805 
2806 	phar_obj->archive->donotflush = 1;
2807 }
2808 /* }}} */
2809 
2810 /* {{{ Returns whether write operations are flushing to disk immediately. */
PHP_METHOD(Phar,isBuffering)2811 PHP_METHOD(Phar, isBuffering)
2812 {
2813 	if (zend_parse_parameters_none() == FAILURE) {
2814 		RETURN_THROWS();
2815 	}
2816 
2817 	PHAR_ARCHIVE_OBJECT();
2818 
2819 	RETURN_BOOL(phar_obj->archive->donotflush);
2820 }
2821 /* }}} */
2822 
2823 /* {{{ Saves the contents of a modified archive to disk. */
PHP_METHOD(Phar,stopBuffering)2824 PHP_METHOD(Phar, stopBuffering)
2825 {
2826 	char *error;
2827 
2828 	if (zend_parse_parameters_none() == FAILURE) {
2829 		RETURN_THROWS();
2830 	}
2831 
2832 	PHAR_ARCHIVE_OBJECT();
2833 
2834 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
2835 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2836 			"Cannot write out phar archive, phar is read-only");
2837 		RETURN_THROWS();
2838 	}
2839 
2840 	phar_obj->archive->donotflush = 0;
2841 	phar_flush(phar_obj->archive, &error);
2842 
2843 	if (error) {
2844 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
2845 		efree(error);
2846 	}
2847 }
2848 /* }}} */
2849 
2850 /* {{{ Change the stub in a phar, phar.tar or phar.zip archive to something other
2851  * than the default. The stub *must* end with a call to __HALT_COMPILER().
2852  */
PHP_METHOD(Phar,setStub)2853 PHP_METHOD(Phar, setStub)
2854 {
2855 	char *error;
2856 	zend_string *stub;
2857 	zval *zstub;
2858 	zend_long len = -1;
2859 	php_stream *stream;
2860 
2861 	PHAR_ARCHIVE_OBJECT();
2862 
2863 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
2864 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2865 			"Cannot change stub, phar is read-only");
2866 		RETURN_THROWS();
2867 	}
2868 
2869 	if (phar_obj->archive->is_data) {
2870 		if (phar_obj->archive->is_tar) {
2871 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2872 				"A Phar stub cannot be set in a plain tar archive");
2873 		} else {
2874 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2875 				"A Phar stub cannot be set in a plain zip archive");
2876 		}
2877 		RETURN_THROWS();
2878 	}
2879 
2880 	if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS(), "r|l", &zstub, &len) == SUCCESS) {
2881 		zend_string *method_name = get_active_function_or_method_name();
2882 		zend_error(E_DEPRECATED, "Calling %s(resource $stub, int $length) is deprecated", ZSTR_VAL(method_name));
2883 		zend_string_release(method_name);
2884 		if (UNEXPECTED(EG(exception))) {
2885 			RETURN_THROWS();
2886 		}
2887 
2888 		if ((php_stream_from_zval_no_verify(stream, zstub)) != NULL) {
2889 			if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
2890 				zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
2891 				RETURN_THROWS();
2892 			}
2893 
2894 			zend_string *stub_file_content = NULL;
2895 			if (len > 0) {
2896 				stub_file_content = php_stream_copy_to_mem(stream, len, false);
2897 			} else {
2898 				stub_file_content = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, false);
2899 			}
2900 
2901 			if (stub_file_content == NULL) {
2902 				zend_throw_exception_ex(phar_ce_PharException, 0, "unable to read resource to copy stub to new phar \"%s\"", phar_obj->archive->fname);
2903 				RETURN_THROWS();
2904 			}
2905 
2906 			phar_flush_ex(phar_obj->archive, stub_file_content, /* is_default_stub */ false, &error);
2907 			zend_string_release_ex(stub_file_content, false);
2908 
2909 			if (error) {
2910 				zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
2911 				efree(error);
2912 			}
2913 			RETURN_TRUE;
2914 		} else {
2915 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2916 				"Cannot change stub, unable to read from input stream");
2917 		}
2918 	} else if (zend_parse_parameters(ZEND_NUM_ARGS(), "S", &stub) == SUCCESS) {
2919 		if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
2920 			zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
2921 			RETURN_THROWS();
2922 		}
2923 		phar_flush_ex(phar_obj->archive, stub, /* is_default_stub */ false, &error);
2924 
2925 		if (error) {
2926 			zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
2927 			efree(error);
2928 			RETURN_THROWS();
2929 		}
2930 
2931 		RETURN_TRUE;
2932 	}
2933 
2934 	RETURN_THROWS();
2935 }
2936 /* }}} */
2937 
2938 /* {{{ In a pure phar archive, sets a stub that can be used to run the archive
2939  * regardless of whether the phar extension is available. The first parameter
2940  * is the CLI startup filename, which defaults to "index.php". The second
2941  * parameter is the web startup filename and also defaults to "index.php"
2942  * (falling back to CLI behaviour).
2943  * Both parameters are optional.
2944  * In a phar.zip or phar.tar archive, the default stub is used only to
2945  * identify the archive to the extension as a Phar object. This allows the
2946  * extension to treat phar.zip and phar.tar types as honorary phars. Since
2947  * files cannot be loaded via this kind of stub, no parameters are accepted
2948  * when the Phar object is zip- or tar-based.
2949  */
PHP_METHOD(Phar,setDefaultStub)2950 PHP_METHOD(Phar, setDefaultStub)
2951 {
2952 	char *index = NULL, *webindex = NULL, *error = NULL;
2953 	zend_string *stub = NULL;
2954 	size_t index_len = 0, webindex_len = 0;
2955 	int created_stub = 0;
2956 
2957 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!s!", &index, &index_len, &webindex, &webindex_len) == FAILURE) {
2958 		RETURN_THROWS();
2959 	}
2960 
2961 	PHAR_ARCHIVE_OBJECT();
2962 
2963 	if (phar_obj->archive->is_data) {
2964 		if (phar_obj->archive->is_tar) {
2965 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2966 				"A Phar stub cannot be set in a plain tar archive");
2967 		} else {
2968 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2969 				"A Phar stub cannot be set in a plain zip archive");
2970 		}
2971 		RETURN_THROWS();
2972 	}
2973 
2974 	if ((index || webindex) && (phar_obj->archive->is_tar || phar_obj->archive->is_zip)) {
2975 		zend_argument_value_error(index ? 1 : 2, "must be null for a tar- or zip-based phar stub, string given");
2976 		RETURN_THROWS();
2977 	}
2978 
2979 	if (PHAR_G(readonly)) {
2980 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
2981 			"Cannot change stub: phar.readonly=1");
2982 		RETURN_THROWS();
2983 	}
2984 
2985 	if (!phar_obj->archive->is_tar && !phar_obj->archive->is_zip) {
2986 		stub = phar_create_default_stub(index, webindex, &error);
2987 
2988 		if (error) {
2989 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "%s", error);
2990 			efree(error);
2991 			if (stub) {
2992 				zend_string_free(stub);
2993 			}
2994 			RETURN_THROWS();
2995 		}
2996 
2997 		created_stub = 1;
2998 	}
2999 
3000 	if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
3001 		zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
3002 		RETURN_THROWS();
3003 	}
3004 	phar_flush_ex(phar_obj->archive, stub, /* is_default_stub */ true, &error);
3005 
3006 	if (created_stub) {
3007 		zend_string_free(stub);
3008 	}
3009 
3010 	if (error) {
3011 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
3012 		efree(error);
3013 		RETURN_THROWS();
3014 	}
3015 
3016 	RETURN_TRUE;
3017 }
3018 /* }}} */
3019 
3020 /* {{{ Sets the signature algorithm for a phar and applies it. The signature
3021  * algorithm must be one of Phar::MD5, Phar::SHA1, Phar::SHA256,
3022  * Phar::SHA512, or Phar::OPENSSL. Note that zip- based phar archives
3023  * cannot support signatures.
3024  */
PHP_METHOD(Phar,setSignatureAlgorithm)3025 PHP_METHOD(Phar, setSignatureAlgorithm)
3026 {
3027 	zend_long algo;
3028 	char *error, *key = NULL;
3029 	size_t key_len = 0;
3030 
3031 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l|s!", &algo, &key, &key_len) != SUCCESS) {
3032 		RETURN_THROWS();
3033 	}
3034 
3035 	PHAR_ARCHIVE_OBJECT();
3036 
3037 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
3038 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3039 			"Cannot set signature algorithm, phar is read-only");
3040 		RETURN_THROWS();
3041 	}
3042 
3043 	switch (algo) {
3044 		case PHAR_SIG_SHA256:
3045 		case PHAR_SIG_SHA512:
3046 		case PHAR_SIG_MD5:
3047 		case PHAR_SIG_SHA1:
3048 		case PHAR_SIG_OPENSSL:
3049 		case PHAR_SIG_OPENSSL_SHA256:
3050 		case PHAR_SIG_OPENSSL_SHA512:
3051 			if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
3052 				zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
3053 				RETURN_THROWS();
3054 			}
3055 			phar_obj->archive->sig_flags = (uint32_t)algo;
3056 			phar_obj->archive->is_modified = 1;
3057 			PHAR_G(openssl_privatekey) = key;
3058 			PHAR_G(openssl_privatekey_len) = key_len;
3059 
3060 			phar_flush(phar_obj->archive, &error);
3061 			if (error) {
3062 				zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
3063 				efree(error);
3064 			}
3065 			break;
3066 		default:
3067 			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3068 				"Unknown signature algorithm specified");
3069 	}
3070 }
3071 /* }}} */
3072 
3073 /* {{{ Returns a hash signature, or FALSE if the archive is unsigned. */
PHP_METHOD(Phar,getSignature)3074 PHP_METHOD(Phar, getSignature)
3075 {
3076 	if (zend_parse_parameters_none() == FAILURE) {
3077 		RETURN_THROWS();
3078 	}
3079 
3080 	PHAR_ARCHIVE_OBJECT();
3081 
3082 	if (phar_obj->archive->signature) {
3083 		zend_string *unknown;
3084 
3085 		array_init(return_value);
3086 		add_assoc_stringl(return_value, "hash", phar_obj->archive->signature, phar_obj->archive->sig_len);
3087 		switch(phar_obj->archive->sig_flags) {
3088 			case PHAR_SIG_MD5:
3089 				add_assoc_string(return_value, "hash_type", "MD5");
3090 				break;
3091 			case PHAR_SIG_SHA1:
3092 				add_assoc_string(return_value, "hash_type", "SHA-1");
3093 				break;
3094 			case PHAR_SIG_SHA256:
3095 				add_assoc_string(return_value, "hash_type", "SHA-256");
3096 				break;
3097 			case PHAR_SIG_SHA512:
3098 				add_assoc_string(return_value, "hash_type", "SHA-512");
3099 				break;
3100 			case PHAR_SIG_OPENSSL:
3101 				add_assoc_string(return_value, "hash_type", "OpenSSL");
3102 				break;
3103 			case PHAR_SIG_OPENSSL_SHA256:
3104 				add_assoc_string(return_value, "hash_type", "OpenSSL_SHA256");
3105 				break;
3106 			case PHAR_SIG_OPENSSL_SHA512:
3107 				add_assoc_string(return_value, "hash_type", "OpenSSL_SHA512");
3108 				break;
3109 			default:
3110 				unknown = strpprintf(0, "Unknown (%u)", phar_obj->archive->sig_flags);
3111 				add_assoc_str(return_value, "hash_type", unknown);
3112 				break;
3113 		}
3114 	} else {
3115 		RETURN_FALSE;
3116 	}
3117 }
3118 /* }}} */
3119 
3120 /* {{{ Return whether phar was modified */
PHP_METHOD(Phar,getModified)3121 PHP_METHOD(Phar, getModified)
3122 {
3123 	if (zend_parse_parameters_none() == FAILURE) {
3124 		RETURN_THROWS();
3125 	}
3126 
3127 	PHAR_ARCHIVE_OBJECT();
3128 
3129 	RETURN_BOOL(phar_obj->archive->is_modified);
3130 }
3131 /* }}} */
3132 
phar_set_compression(zval * zv,void * argument)3133 static int phar_set_compression(zval *zv, void *argument) /* {{{ */
3134 {
3135 	phar_entry_info *entry = (phar_entry_info *)Z_PTR_P(zv);
3136 	uint32_t compress = *(uint32_t *)argument;
3137 
3138 	if (entry->is_deleted) {
3139 		return ZEND_HASH_APPLY_KEEP;
3140 	}
3141 
3142 	entry->old_flags = entry->flags;
3143 	entry->flags &= ~PHAR_ENT_COMPRESSION_MASK;
3144 	entry->flags |= compress;
3145 	entry->is_modified = 1;
3146 	return ZEND_HASH_APPLY_KEEP;
3147 }
3148 /* }}} */
3149 
phar_test_compression(zval * zv,void * argument)3150 static int phar_test_compression(zval *zv, void *argument) /* {{{ */
3151 {
3152 	phar_entry_info *entry = (phar_entry_info *)Z_PTR_P(zv);
3153 
3154 	if (entry->is_deleted) {
3155 		return ZEND_HASH_APPLY_KEEP;
3156 	}
3157 
3158 	if (!PHAR_G(has_bz2)) {
3159 		if (entry->flags & PHAR_ENT_COMPRESSED_BZ2) {
3160 			*(int *) argument = 0;
3161 		}
3162 	}
3163 
3164 	if (!PHAR_G(has_zlib)) {
3165 		if (entry->flags & PHAR_ENT_COMPRESSED_GZ) {
3166 			*(int *) argument = 0;
3167 		}
3168 	}
3169 
3170 	return ZEND_HASH_APPLY_KEEP;
3171 }
3172 /* }}} */
3173 
pharobj_set_compression(HashTable * manifest,uint32_t compress)3174 static void pharobj_set_compression(HashTable *manifest, uint32_t compress) /* {{{ */
3175 {
3176 	zend_hash_apply_with_argument(manifest, phar_set_compression, &compress);
3177 }
3178 /* }}} */
3179 
pharobj_cancompress(HashTable * manifest)3180 static int pharobj_cancompress(HashTable *manifest) /* {{{ */
3181 {
3182 	int test;
3183 
3184 	test = 1;
3185 	zend_hash_apply_with_argument(manifest, phar_test_compression, &test);
3186 	return test;
3187 }
3188 /* }}} */
3189 
3190 /* {{{ Compress a .tar, or .phar.tar with whole-file compression
3191  * The parameter can be one of Phar::GZ or Phar::BZ2 to specify
3192  * the kind of compression desired
3193  */
PHP_METHOD(Phar,compress)3194 PHP_METHOD(Phar, compress)
3195 {
3196 	zend_long method;
3197 	char *ext = NULL;
3198 	size_t ext_len = 0;
3199 	uint32_t flags;
3200 	zend_object *ret;
3201 
3202 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l|s!", &method, &ext, &ext_len) == FAILURE) {
3203 		RETURN_THROWS();
3204 	}
3205 
3206 	PHAR_ARCHIVE_OBJECT();
3207 
3208 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
3209 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3210 			"Cannot compress phar archive, phar is read-only");
3211 		RETURN_THROWS();
3212 	}
3213 
3214 	if (phar_obj->archive->is_zip) {
3215 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3216 			"Cannot compress zip-based archives with whole-archive compression");
3217 		RETURN_THROWS();
3218 	}
3219 
3220 	switch (method) {
3221 		case 0:
3222 			flags = PHAR_FILE_COMPRESSED_NONE;
3223 			break;
3224 		case PHAR_ENT_COMPRESSED_GZ:
3225 			if (!PHAR_G(has_zlib)) {
3226 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3227 					"Cannot compress entire archive with gzip, enable ext/zlib in php.ini");
3228 				RETURN_THROWS();
3229 			}
3230 			flags = PHAR_FILE_COMPRESSED_GZ;
3231 			break;
3232 
3233 		case PHAR_ENT_COMPRESSED_BZ2:
3234 			if (!PHAR_G(has_bz2)) {
3235 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3236 					"Cannot compress entire archive with bz2, enable ext/bz2 in php.ini");
3237 				return;
3238 			}
3239 			flags = PHAR_FILE_COMPRESSED_BZ2;
3240 			break;
3241 		default:
3242 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3243 				"Unknown compression specified, please pass one of Phar::GZ or Phar::BZ2");
3244 			RETURN_THROWS();
3245 	}
3246 
3247 	if (phar_obj->archive->is_tar) {
3248 		ret = phar_convert_to_other(phar_obj->archive, PHAR_FORMAT_TAR, ext, flags);
3249 	} else {
3250 		ret = phar_convert_to_other(phar_obj->archive, PHAR_FORMAT_PHAR, ext, flags);
3251 	}
3252 
3253 	if (ret) {
3254 		RETURN_OBJ(ret);
3255 	} else {
3256 		RETURN_NULL();
3257 	}
3258 }
3259 /* }}} */
3260 
3261 /* {{{ Decompress a .tar, or .phar.tar with whole-file compression */
PHP_METHOD(Phar,decompress)3262 PHP_METHOD(Phar, decompress)
3263 {
3264 	char *ext = NULL;
3265 	size_t ext_len = 0;
3266 	zend_object *ret;
3267 
3268 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!", &ext, &ext_len) == FAILURE) {
3269 		RETURN_THROWS();
3270 	}
3271 
3272 	PHAR_ARCHIVE_OBJECT();
3273 
3274 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
3275 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3276 			"Cannot decompress phar archive, phar is read-only");
3277 		RETURN_THROWS();
3278 	}
3279 
3280 	if (phar_obj->archive->is_zip) {
3281 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3282 			"Cannot decompress zip-based archives with whole-archive compression");
3283 		RETURN_THROWS();
3284 	}
3285 
3286 	if (phar_obj->archive->is_tar) {
3287 		ret = phar_convert_to_other(phar_obj->archive, PHAR_FORMAT_TAR, ext, PHAR_FILE_COMPRESSED_NONE);
3288 	} else {
3289 		ret = phar_convert_to_other(phar_obj->archive, PHAR_FORMAT_PHAR, ext, PHAR_FILE_COMPRESSED_NONE);
3290 	}
3291 
3292 	if (ret) {
3293 		RETURN_OBJ(ret);
3294 	} else {
3295 		RETURN_NULL();
3296 	}
3297 }
3298 /* }}} */
3299 
3300 /* {{{ Compress all files within a phar or zip archive using the specified compression
3301  * The parameter can be one of Phar::GZ or Phar::BZ2 to specify
3302  * the kind of compression desired
3303  */
PHP_METHOD(Phar,compressFiles)3304 PHP_METHOD(Phar, compressFiles)
3305 {
3306 	char *error;
3307 	uint32_t flags;
3308 	zend_long method;
3309 
3310 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &method) == FAILURE) {
3311 		RETURN_THROWS();
3312 	}
3313 
3314 	PHAR_ARCHIVE_OBJECT();
3315 
3316 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
3317 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3318 			"Phar is readonly, cannot change compression");
3319 		RETURN_THROWS();
3320 	}
3321 
3322 	switch (method) {
3323 		case PHAR_ENT_COMPRESSED_GZ:
3324 			if (!PHAR_G(has_zlib)) {
3325 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3326 					"Cannot compress files within archive with gzip, enable ext/zlib in php.ini");
3327 				RETURN_THROWS();
3328 			}
3329 			flags = PHAR_ENT_COMPRESSED_GZ;
3330 			break;
3331 
3332 		case PHAR_ENT_COMPRESSED_BZ2:
3333 			if (!PHAR_G(has_bz2)) {
3334 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3335 					"Cannot compress files within archive with bz2, enable ext/bz2 in php.ini");
3336 				RETURN_THROWS();
3337 			}
3338 			flags = PHAR_ENT_COMPRESSED_BZ2;
3339 			break;
3340 		default:
3341 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3342 				"Unknown compression specified, please pass one of Phar::GZ or Phar::BZ2");
3343 			RETURN_THROWS();
3344 	}
3345 
3346 	if (phar_obj->archive->is_tar) {
3347 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3348 			"Cannot compress with Gzip compression, tar archives cannot compress individual files, use compress() to compress the whole archive");
3349 		RETURN_THROWS();
3350 	}
3351 
3352 	if (!pharobj_cancompress(&phar_obj->archive->manifest)) {
3353 		if (flags == PHAR_ENT_COMPRESSED_GZ) {
3354 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3355 				"Cannot compress all files as Gzip, some are compressed as bzip2 and cannot be decompressed");
3356 		} else {
3357 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3358 				"Cannot compress all files as Bzip2, some are compressed as gzip and cannot be decompressed");
3359 		}
3360 		RETURN_THROWS();
3361 	}
3362 
3363 	if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
3364 		zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
3365 		RETURN_THROWS();
3366 	}
3367 	pharobj_set_compression(&phar_obj->archive->manifest, flags);
3368 	phar_obj->archive->is_modified = 1;
3369 	phar_flush(phar_obj->archive, &error);
3370 
3371 	if (error) {
3372 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "%s", error);
3373 		efree(error);
3374 	}
3375 }
3376 /* }}} */
3377 
3378 /* {{{ decompress every file */
PHP_METHOD(Phar,decompressFiles)3379 PHP_METHOD(Phar, decompressFiles)
3380 {
3381 	char *error;
3382 
3383 	if (zend_parse_parameters_none() == FAILURE) {
3384 		RETURN_THROWS();
3385 
3386 	}
3387 
3388 	PHAR_ARCHIVE_OBJECT();
3389 
3390 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
3391 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3392 			"Phar is readonly, cannot change compression");
3393 		RETURN_THROWS();
3394 	}
3395 
3396 	if (!pharobj_cancompress(&phar_obj->archive->manifest)) {
3397 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
3398 			"Cannot decompress all files, some are compressed as bzip2 or gzip and cannot be decompressed");
3399 		RETURN_THROWS();
3400 	}
3401 
3402 	if (phar_obj->archive->is_tar) {
3403 		RETURN_TRUE;
3404 	} else {
3405 		if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
3406 			zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
3407 			RETURN_THROWS();
3408 		}
3409 		pharobj_set_compression(&phar_obj->archive->manifest, PHAR_ENT_COMPRESSED_NONE);
3410 	}
3411 
3412 	phar_obj->archive->is_modified = 1;
3413 	phar_flush(phar_obj->archive, &error);
3414 
3415 	if (error) {
3416 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "%s", error);
3417 		efree(error);
3418 	}
3419 
3420 	RETURN_TRUE;
3421 }
3422 /* }}} */
3423 
3424 /* {{{ copy a file internal to the phar archive to another new file within the phar */
PHP_METHOD(Phar,copy)3425 PHP_METHOD(Phar, copy)
3426 {
3427 	char *error;
3428 	const char *pcr_error;
3429 	phar_entry_info *oldentry, newentry = {0}, *temp;
3430 	zend_string *new_file = NULL;
3431 	zend_string *old_file = NULL;
3432 
3433 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "PP", &old_file, &new_file) == FAILURE) {
3434 		RETURN_THROWS();
3435 	}
3436 
3437 	PHAR_ARCHIVE_OBJECT();
3438 
3439 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
3440 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3441 			"Cannot copy \"%s\" to \"%s\", phar is read-only", ZSTR_VAL(old_file), ZSTR_VAL(new_file));
3442 		RETURN_THROWS();
3443 	}
3444 
3445 	if (zend_string_starts_with_literal(old_file, ".phar")) {
3446 		/* can't copy a meta file */
3447 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3448 			"file \"%s\" cannot be copied to file \"%s\", cannot copy Phar meta-file in %s", ZSTR_VAL(old_file), ZSTR_VAL(new_file), phar_obj->archive->fname);
3449 		RETURN_THROWS();
3450 	}
3451 
3452 	if (zend_string_starts_with_literal(new_file, ".phar")) {
3453 		/* can't copy a meta file */
3454 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3455 			"file \"%s\" cannot be copied to file \"%s\", cannot copy to Phar meta-file in %s", ZSTR_VAL(old_file), ZSTR_VAL(new_file), phar_obj->archive->fname);
3456 		RETURN_THROWS();
3457 	}
3458 
3459 	if (NULL == (oldentry = zend_hash_find_ptr(&phar_obj->archive->manifest, old_file)) || oldentry->is_deleted) {
3460 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3461 			"file \"%s\" cannot be copied to file \"%s\", file does not exist in %s", ZSTR_VAL(old_file), ZSTR_VAL(new_file), phar_obj->archive->fname);
3462 		RETURN_THROWS();
3463 	}
3464 
3465 	if (NULL != (temp = zend_hash_find_ptr(&phar_obj->archive->manifest, new_file)) && !temp->is_deleted) {
3466 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3467 			"file \"%s\" cannot be copied to file \"%s\", file must not already exist in phar %s", ZSTR_VAL(old_file), ZSTR_VAL(new_file), phar_obj->archive->fname);
3468 		RETURN_THROWS();
3469 	}
3470 
3471 	size_t tmp_len = ZSTR_LEN(new_file);
3472 	char *tmp_new_file = ZSTR_VAL(new_file);
3473 	if (phar_path_check(&tmp_new_file, &tmp_len, &pcr_error) > pcr_is_ok) {
3474 		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
3475 				"file \"%s\" contains invalid characters %s, cannot be copied from \"%s\" in phar %s", ZSTR_VAL(new_file), pcr_error, ZSTR_VAL(old_file), phar_obj->archive->fname);
3476 		RETURN_THROWS();
3477 	}
3478 
3479 	if (phar_obj->archive->is_persistent) {
3480 		if (FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
3481 			zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
3482 			RETURN_THROWS();
3483 		}
3484 		/* re-populate with copied-on-write entry */
3485 		oldentry = zend_hash_find_ptr(&phar_obj->archive->manifest, old_file);
3486 	}
3487 
3488 	memcpy((void *) &newentry, oldentry, sizeof(phar_entry_info));
3489 
3490 	phar_metadata_tracker_clone(&newentry.metadata_tracker);
3491 
3492 	newentry.filename = estrndup(tmp_new_file, tmp_len);
3493 	newentry.filename_len = tmp_len;
3494 	newentry.fp_refcount = 0;
3495 
3496 	if (oldentry->fp_type != PHAR_FP) {
3497 		if (FAILURE == phar_copy_entry_fp(oldentry, &newentry, &error)) {
3498 			efree(newentry.filename);
3499 			php_stream_close(newentry.fp);
3500 			zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
3501 			efree(error);
3502 			RETURN_THROWS();
3503 		}
3504 	}
3505 
3506 	zend_hash_str_add_mem(&oldentry->phar->manifest, ZSTR_VAL(new_file), tmp_len, &newentry, sizeof(phar_entry_info));
3507 	phar_obj->archive->is_modified = 1;
3508 	phar_flush(phar_obj->archive, &error);
3509 
3510 	if (error) {
3511 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
3512 		efree(error);
3513 	}
3514 
3515 	RETURN_TRUE;
3516 }
3517 /* }}} */
3518 
3519 /* {{{ determines whether a file exists in the phar */
PHP_METHOD(Phar,offsetExists)3520 PHP_METHOD(Phar, offsetExists)
3521 {
3522 	zend_string *file_name;
3523 	phar_entry_info *entry;
3524 
3525 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "P", &file_name) == FAILURE) {
3526 		RETURN_THROWS();
3527 	}
3528 
3529 	PHAR_ARCHIVE_OBJECT();
3530 
3531 	if (zend_hash_exists(&phar_obj->archive->manifest, file_name)) {
3532 		if (NULL != (entry = zend_hash_find_ptr(&phar_obj->archive->manifest, file_name))) {
3533 			if (entry->is_deleted) {
3534 				/* entry is deleted, but has not been flushed to disk yet */
3535 				RETURN_FALSE;
3536 			}
3537 		}
3538 
3539 		if (zend_string_starts_with_literal(file_name, ".phar")) {
3540 			/* none of these are real files, so they don't exist */
3541 			RETURN_FALSE;
3542 		}
3543 		RETURN_TRUE;
3544 	} else {
3545 		/* If the info class is not based on PharFileInfo, directories are not directly instantiable */
3546 		if (UNEXPECTED(!instanceof_function(phar_obj->spl.info_class, phar_ce_entry))) {
3547 			RETURN_FALSE;
3548 		}
3549 		RETURN_BOOL(zend_hash_exists(&phar_obj->archive->virtual_dirs, file_name));
3550 	}
3551 }
3552 /* }}} */
3553 
3554 /* {{{ get a PharFileInfo object for a specific file */
PHP_METHOD(Phar,offsetGet)3555 PHP_METHOD(Phar, offsetGet)
3556 {
3557 	char *error;
3558 	phar_entry_info *entry;
3559 	zend_string *file_name = NULL;
3560 
3561 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "P", &file_name) == FAILURE) {
3562 		RETURN_THROWS();
3563 	}
3564 
3565 	PHAR_ARCHIVE_OBJECT();
3566 
3567 	/* security is 0 here so that we can get a better error message than "entry doesn't exist" */
3568 	if (!(entry = phar_get_entry_info_dir(phar_obj->archive, ZSTR_VAL(file_name), ZSTR_LEN(file_name), 1, &error, 0))) {
3569 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Entry %s does not exist%s%s", ZSTR_VAL(file_name), error?", ":"", error?error:"");
3570 	} else {
3571 		if (zend_string_equals_literal(file_name, ".phar/stub.php")) {
3572 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Cannot get stub \".phar/stub.php\" directly in phar \"%s\", use getStub", phar_obj->archive->fname);
3573 			RETURN_THROWS();
3574 		}
3575 
3576 		if (zend_string_equals_literal(file_name, ".phar/alias.txt")) {
3577 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Cannot get alias \".phar/alias.txt\" directly in phar \"%s\", use getAlias", phar_obj->archive->fname);
3578 			RETURN_THROWS();
3579 		}
3580 
3581 		if (zend_string_starts_with_literal(file_name, ".phar")) {
3582 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Cannot directly get any files or directories in magic \".phar\" directory");
3583 			RETURN_THROWS();
3584 		}
3585 
3586 		if (entry->is_temp_dir) {
3587 			efree(entry->filename);
3588 			efree(entry);
3589 		}
3590 
3591 		zend_string *sfname = strpprintf(0, "phar://%s/%s", phar_obj->archive->fname, ZSTR_VAL(file_name));
3592 		zval zfname;
3593 		ZVAL_NEW_STR(&zfname, sfname);
3594 
3595 		/* Instantiate object and call constructor */
3596 		zend_result is_initialized = object_init_with_constructor(return_value, phar_obj->spl.info_class, 1, &zfname, NULL);
3597 		zval_ptr_dtor(&zfname);
3598 		if (is_initialized == FAILURE) {
3599 			RETURN_THROWS();
3600 		}
3601 	}
3602 }
3603 /* }}} */
3604 
3605 /* {{{ add a file within the phar archive from a string or resource */
phar_add_file(phar_archive_data ** pphar,zend_string * file_name,const zend_string * content,zval * zresource)3606 static void phar_add_file(phar_archive_data **pphar, zend_string *file_name, const zend_string *content, zval *zresource)
3607 {
3608 	char *error;
3609 	phar_entry_data *data;
3610 	php_stream *contents_file = NULL;
3611 	php_stream_statbuf ssb;
3612 #ifdef PHP_WIN32
3613 	char *save_filename;
3614 	ALLOCA_FLAG(filename_use_heap)
3615 #endif
3616 
3617 	if (
3618 		zend_string_starts_with_literal(file_name, ".phar")
3619 		|| zend_string_starts_with_literal(file_name, "/.phar")
3620 	) {
3621 		size_t prefix_len = (ZSTR_VAL(file_name)[0] == '/') + sizeof(".phar")-1;
3622 		char next_char = ZSTR_VAL(file_name)[prefix_len];
3623 		if (next_char == '/' || next_char == '\\' || next_char == '\0') {
3624 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Cannot create any files in magic \".phar\" directory");
3625 			return;
3626 		}
3627 	}
3628 
3629 	/* TODO How to handle Windows path normalisation with zend_string ? */
3630 	char *filename = ZSTR_VAL(file_name);
3631 	size_t filename_len = ZSTR_LEN(file_name);
3632 #ifdef PHP_WIN32
3633 	save_filename = filename;
3634 	if (memchr(filename, '\\', filename_len)) {
3635 		filename = do_alloca(filename_len + 1, filename_use_heap);
3636 		memcpy(filename, save_filename, filename_len);
3637 		filename[filename_len] = '\0';
3638 	}
3639 #endif
3640 
3641 	if (!(data = phar_get_or_create_entry_data((*pphar)->fname, (*pphar)->fname_len, filename, filename_len, "w+b", 0, &error, 1))) {
3642 		if (error) {
3643 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Entry %s does not exist and cannot be created: %s", filename, error);
3644 			efree(error);
3645 		} else {
3646 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Entry %s does not exist and cannot be created", filename);
3647 		}
3648 		goto finish;
3649 	} else {
3650 		if (error) {
3651 			efree(error);
3652 		}
3653 
3654 		if (!data->internal_file->is_dir) {
3655 			size_t contents_len = 0;
3656 			if (content) {
3657 				contents_len = ZSTR_LEN(content);
3658 				size_t written_len = php_stream_write(data->fp, ZSTR_VAL(content), ZSTR_LEN(content));
3659 				if (written_len != contents_len) {
3660 					zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Entry %s could not be written to", filename);
3661 					goto finish;
3662 				}
3663 			} else {
3664 				if (!(php_stream_from_zval_no_verify(contents_file, zresource))) {
3665 					zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Entry %s could not be written to", filename);
3666 					goto finish;
3667 				}
3668 				php_stream_copy_to_stream_ex(contents_file, data->fp, PHP_STREAM_COPY_ALL, &contents_len);
3669 			}
3670 			data->internal_file->compressed_filesize = data->internal_file->uncompressed_filesize = contents_len;
3671 		}
3672 
3673 		if (contents_file != NULL && php_stream_stat(contents_file, &ssb) != -1) {
3674 			data->internal_file->flags = ssb.sb.st_mode & PHAR_ENT_PERM_MASK ;
3675 		} else {
3676 #ifndef _WIN32
3677 			mode_t mask;
3678 			mask = umask(0);
3679 			umask(mask);
3680 			data->internal_file->flags &= ~mask;
3681 #endif
3682 		}
3683 
3684 		/* check for copy-on-write */
3685 		if (pphar[0] != data->phar) {
3686 			*pphar = data->phar;
3687 		}
3688 		phar_entry_delref(data);
3689 		phar_flush(*pphar, &error);
3690 
3691 		if (error) {
3692 			zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
3693 			efree(error);
3694 		}
3695 	}
3696 
3697 finish: ;
3698 #ifdef PHP_WIN32
3699 	if (filename != save_filename) {
3700 		free_alloca(filename, filename_use_heap);
3701 		filename = save_filename;
3702 	}
3703 #endif
3704 }
3705 /* }}} */
3706 
3707 /* {{{ create a directory within the phar archive */
phar_mkdir(phar_archive_data ** pphar,zend_string * dir_name)3708 static void phar_mkdir(phar_archive_data **pphar, zend_string *dir_name)
3709 {
3710 	char *error;
3711 	phar_entry_data *data;
3712 
3713 	if (!(data = phar_get_or_create_entry_data((*pphar)->fname, (*pphar)->fname_len, ZSTR_VAL(dir_name), ZSTR_LEN(dir_name), "w+b", 2, &error, 1))) {
3714 		if (error) {
3715 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Directory %s does not exist and cannot be created: %s", ZSTR_VAL(dir_name), error);
3716 			efree(error);
3717 		} else {
3718 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Directory %s does not exist and cannot be created", ZSTR_VAL(dir_name));
3719 		}
3720 
3721 		return;
3722 	} else {
3723 		if (error) {
3724 			efree(error);
3725 		}
3726 
3727 		/* check for copy on write */
3728 		if (data->phar != *pphar) {
3729 			*pphar = data->phar;
3730 		}
3731 		phar_entry_delref(data);
3732 		phar_flush(*pphar, &error);
3733 
3734 		if (error) {
3735 			zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
3736 			efree(error);
3737 		}
3738 	}
3739 }
3740 /* }}} */
3741 
3742 /* {{{ set the contents of an internal file to those of an external file */
PHP_METHOD(Phar,offsetSet)3743 PHP_METHOD(Phar, offsetSet)
3744 {
3745 	zval *zresource = NULL;
3746 	zend_string *file_name = NULL;
3747 	zend_string *file_content = NULL;
3748 
3749 	if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS(), "Pr", &file_name, &zresource) == FAILURE
3750 	&& zend_parse_parameters(ZEND_NUM_ARGS(), "PS", &file_name, &file_content) == FAILURE) {
3751 		RETURN_THROWS();
3752 	}
3753 
3754 	PHAR_ARCHIVE_OBJECT();
3755 
3756 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
3757 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Write operations disabled by the php.ini setting phar.readonly");
3758 		RETURN_THROWS();
3759 	}
3760 
3761 	if (zend_string_equals_literal(file_name, ".phar/stub.php")) {
3762 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Cannot set stub \".phar/stub.php\" directly in phar \"%s\", use setStub", phar_obj->archive->fname);
3763 		RETURN_THROWS();
3764 	}
3765 
3766 	if (zend_string_equals_literal(file_name, ".phar/alias.txt")) {
3767 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Cannot set alias \".phar/alias.txt\" directly in phar \"%s\", use setAlias", phar_obj->archive->fname);
3768 		RETURN_THROWS();
3769 	}
3770 
3771 	if (zend_string_starts_with_literal(file_name, ".phar")) {
3772 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Cannot set any files or directories in magic \".phar\" directory");
3773 		RETURN_THROWS();
3774 	}
3775 
3776 	phar_add_file(&(phar_obj->archive), file_name, file_content, zresource);
3777 }
3778 /* }}} */
3779 
3780 /* {{{ remove a file from a phar */
PHP_METHOD(Phar,offsetUnset)3781 PHP_METHOD(Phar, offsetUnset)
3782 {
3783 	char *error;
3784 	zend_string *file_name;
3785 	phar_entry_info *entry;
3786 
3787 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "P", &file_name) == FAILURE) {
3788 		RETURN_THROWS();
3789 	}
3790 
3791 	PHAR_ARCHIVE_OBJECT();
3792 
3793 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
3794 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Write operations disabled by the php.ini setting phar.readonly");
3795 		RETURN_THROWS();
3796 	}
3797 
3798 	if (zend_hash_exists(&phar_obj->archive->manifest, file_name)) {
3799 		if (NULL != (entry = zend_hash_find_ptr(&phar_obj->archive->manifest, file_name))) {
3800 			if (entry->is_deleted) {
3801 				/* entry is deleted, but has not been flushed to disk yet */
3802 				return;
3803 			}
3804 
3805 			if (phar_obj->archive->is_persistent) {
3806 				if (FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
3807 					zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
3808 					RETURN_THROWS();
3809 				}
3810 				/* re-populate entry after copy on write */
3811 				entry = zend_hash_find_ptr(&phar_obj->archive->manifest, file_name);
3812 			}
3813 			entry->is_modified = 0;
3814 			entry->is_deleted = 1;
3815 			/* we need to "flush" the stream to save the newly deleted file on disk */
3816 			phar_flush(phar_obj->archive, &error);
3817 
3818 			if (error) {
3819 				zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
3820 				efree(error);
3821 			}
3822 		}
3823 	}
3824 }
3825 /* }}} */
3826 
3827 /* {{{ Adds an empty directory to the phar archive */
PHP_METHOD(Phar,addEmptyDir)3828 PHP_METHOD(Phar, addEmptyDir)
3829 {
3830 	zend_string *dir_name;
3831 
3832 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "P", &dir_name) == FAILURE) {
3833 		RETURN_THROWS();
3834 	}
3835 
3836 	PHAR_ARCHIVE_OBJECT();
3837 
3838 	if (zend_string_starts_with_literal(dir_name, ".phar")) {
3839 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Cannot create a directory in magic \".phar\" directory");
3840 		RETURN_THROWS();
3841 	}
3842 
3843 	phar_mkdir(&phar_obj->archive, dir_name);
3844 }
3845 /* }}} */
3846 
3847 /* {{{ Adds a file to the archive using the filename, or the second parameter as the name within the archive */
PHP_METHOD(Phar,addFile)3848 PHP_METHOD(Phar, addFile)
3849 {
3850 	zend_string *file_name;
3851 	zend_string *local_name = NULL;
3852 	php_stream *resource;
3853 	zval zresource;
3854 
3855 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "P|S!", &file_name, &local_name) == FAILURE) {
3856 		RETURN_THROWS();
3857 	}
3858 
3859 	PHAR_ARCHIVE_OBJECT();
3860 
3861 	if (!strstr(ZSTR_VAL(file_name), "://") && php_check_open_basedir(ZSTR_VAL(file_name))) {
3862 		zend_throw_exception_ex(spl_ce_RuntimeException, 0, "phar error: unable to open file \"%s\" to add to phar archive, open_basedir restrictions prevent this", ZSTR_VAL(file_name));
3863 		RETURN_THROWS();
3864 	}
3865 
3866 	if (!(resource = php_stream_open_wrapper(ZSTR_VAL(file_name), "rb", 0, NULL))) {
3867 		zend_throw_exception_ex(spl_ce_RuntimeException, 0, "phar error: unable to open file \"%s\" to add to phar archive", ZSTR_VAL(file_name));
3868 		RETURN_THROWS();
3869 	}
3870 
3871 	if (local_name) {
3872 		file_name = local_name;
3873 	}
3874 
3875 	php_stream_to_zval(resource, &zresource);
3876 	phar_add_file(&(phar_obj->archive), file_name, NULL, &zresource);
3877 	zval_ptr_dtor(&zresource);
3878 }
3879 /* }}} */
3880 
3881 /* {{{ Adds a file to the archive using its contents as a string */
PHP_METHOD(Phar,addFromString)3882 PHP_METHOD(Phar, addFromString)
3883 {
3884 	zend_string *local_name = NULL;
3885 	zend_string *file_content = NULL;
3886 
3887 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "PS", &local_name, &file_content) == FAILURE) {
3888 		RETURN_THROWS();
3889 	}
3890 
3891 	PHAR_ARCHIVE_OBJECT();
3892 
3893 	phar_add_file(&(phar_obj->archive), local_name, file_content, NULL);
3894 }
3895 /* }}} */
3896 
3897 /* {{{ Returns the stub at the head of a phar archive as a string. */
PHP_METHOD(Phar,getStub)3898 PHP_METHOD(Phar, getStub)
3899 {
3900 	size_t len;
3901 	zend_string *buf;
3902 	php_stream *fp;
3903 	php_stream_filter *filter = NULL;
3904 	phar_entry_info *stub;
3905 
3906 	if (zend_parse_parameters_none() == FAILURE) {
3907 		RETURN_THROWS();
3908 	}
3909 
3910 	PHAR_ARCHIVE_OBJECT();
3911 
3912 	if (phar_obj->archive->is_tar || phar_obj->archive->is_zip) {
3913 
3914 		if (NULL != (stub = zend_hash_str_find_ptr(&(phar_obj->archive->manifest), ".phar/stub.php", sizeof(".phar/stub.php")-1))) {
3915 			if (phar_obj->archive->fp && !phar_obj->archive->is_brandnew && !(stub->flags & PHAR_ENT_COMPRESSION_MASK)) {
3916 				fp = phar_obj->archive->fp;
3917 			} else {
3918 				if (!(fp = php_stream_open_wrapper(phar_obj->archive->fname, "rb", 0, NULL))) {
3919 					zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "phar error: unable to open phar \"%s\"", phar_obj->archive->fname);
3920 					RETURN_THROWS();
3921 				}
3922 				if (stub->flags & PHAR_ENT_COMPRESSION_MASK) {
3923 					char *filter_name;
3924 
3925 					if ((filter_name = phar_decompress_filter(stub, 0)) != NULL) {
3926 						filter = php_stream_filter_create(filter_name, NULL, php_stream_is_persistent(fp));
3927 					} else {
3928 						filter = NULL;
3929 					}
3930 					if (!filter) {
3931 						zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "phar error: unable to read stub of phar \"%s\" (cannot create %s filter)", phar_obj->archive->fname, phar_decompress_filter(stub, 1));
3932 						RETURN_THROWS();
3933 					}
3934 					php_stream_filter_append(&fp->readfilters, filter);
3935 				}
3936 			}
3937 
3938 			if (!fp)  {
3939 				zend_throw_exception_ex(spl_ce_RuntimeException, 0,
3940 					"Unable to read stub");
3941 				RETURN_THROWS();
3942 			}
3943 
3944 			php_stream_seek(fp, stub->offset_abs, SEEK_SET);
3945 			len = stub->uncompressed_filesize;
3946 			goto carry_on;
3947 		} else {
3948 			RETURN_EMPTY_STRING();
3949 		}
3950 	}
3951 	len = phar_obj->archive->halt_offset;
3952 
3953 	if (phar_obj->archive->fp && !phar_obj->archive->is_brandnew) {
3954 		fp = phar_obj->archive->fp;
3955 	} else {
3956 		fp = php_stream_open_wrapper(phar_obj->archive->fname, "rb", 0, NULL);
3957 	}
3958 
3959 	if (!fp)  {
3960 		zend_throw_exception_ex(spl_ce_RuntimeException, 0,
3961 			"Unable to read stub");
3962 		RETURN_THROWS();
3963 	}
3964 
3965 	php_stream_rewind(fp);
3966 carry_on:
3967 	buf = zend_string_alloc(len, 0);
3968 
3969 	if (len != php_stream_read(fp, ZSTR_VAL(buf), len)) {
3970 		if (fp != phar_obj->archive->fp) {
3971 			php_stream_close(fp);
3972 		}
3973 		zend_throw_exception_ex(spl_ce_RuntimeException, 0,
3974 			"Unable to read stub");
3975 		zend_string_release_ex(buf, 0);
3976 		RETURN_THROWS();
3977 	}
3978 
3979 	if (filter) {
3980 		php_stream_filter_flush(filter, 1);
3981 		php_stream_filter_remove(filter, 1);
3982 	}
3983 
3984 	if (fp != phar_obj->archive->fp) {
3985 		php_stream_close(fp);
3986 	}
3987 
3988 	ZSTR_VAL(buf)[len] = '\0';
3989 	ZSTR_LEN(buf) = len;
3990 	RETVAL_STR(buf);
3991 }
3992 /* }}}*/
3993 
3994 /* {{{ Returns TRUE if the phar has global metadata, FALSE otherwise. */
PHP_METHOD(Phar,hasMetadata)3995 PHP_METHOD(Phar, hasMetadata)
3996 {
3997 	if (zend_parse_parameters_none() == FAILURE) {
3998 		RETURN_THROWS();
3999 	}
4000 
4001 	PHAR_ARCHIVE_OBJECT();
4002 
4003 	RETURN_BOOL(phar_metadata_tracker_has_data(&phar_obj->archive->metadata_tracker, phar_obj->archive->is_persistent));
4004 }
4005 /* }}} */
4006 
4007 /* {{{ Returns the global metadata of the phar */
PHP_METHOD(Phar,getMetadata)4008 PHP_METHOD(Phar, getMetadata)
4009 {
4010 	HashTable *unserialize_options = NULL;
4011 	phar_metadata_tracker *tracker;
4012 
4013 	ZEND_PARSE_PARAMETERS_START(0, 1)
4014 		Z_PARAM_OPTIONAL
4015 		Z_PARAM_ARRAY_HT(unserialize_options)
4016 	ZEND_PARSE_PARAMETERS_END();
4017 
4018 	PHAR_ARCHIVE_OBJECT();
4019 
4020 	tracker = &phar_obj->archive->metadata_tracker;
4021 	if (phar_metadata_tracker_has_data(tracker, phar_obj->archive->is_persistent)) {
4022 		phar_metadata_tracker_unserialize_or_copy(tracker, return_value, phar_obj->archive->is_persistent, unserialize_options, "Phar::getMetadata");
4023 	}
4024 }
4025 /* }}} */
4026 
4027 /* {{{ Modifies the phar metadata or throws */
serialize_metadata_or_throw(phar_metadata_tracker * tracker,int persistent,zval * metadata)4028 static zend_result serialize_metadata_or_throw(phar_metadata_tracker *tracker, int persistent, zval *metadata)
4029 {
4030 	php_serialize_data_t metadata_hash;
4031 	smart_str main_metadata_str = {0};
4032 
4033 	PHP_VAR_SERIALIZE_INIT(metadata_hash);
4034 	php_var_serialize(&main_metadata_str, metadata, &metadata_hash);
4035 	PHP_VAR_SERIALIZE_DESTROY(metadata_hash);
4036 	if (EG(exception)) {
4037 		/* Serialization can throw. Don't overwrite the original value or original string. */
4038 		return FAILURE;
4039 	}
4040 
4041 	phar_metadata_tracker_free(tracker, persistent);
4042 	if (EG(exception)) {
4043 		/* Destructor can throw. */
4044 		zend_string_release(main_metadata_str.s);
4045 		return FAILURE;
4046 	}
4047 
4048 	if (tracker->str) {
4049 		zend_throw_exception_ex(phar_ce_PharException, 0, "Metadata unexpectedly changed during setMetadata()");
4050 		zend_string_release(main_metadata_str.s);
4051 		return FAILURE;
4052 	}
4053 	ZVAL_COPY(&tracker->val, metadata);
4054 	tracker->str = main_metadata_str.s;
4055 	return SUCCESS;
4056 }
4057 
4058 /* {{{ Sets the global metadata of the phar */
PHP_METHOD(Phar,setMetadata)4059 PHP_METHOD(Phar, setMetadata)
4060 {
4061 	char *error;
4062 	zval *metadata;
4063 
4064 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &metadata) == FAILURE) {
4065 		RETURN_THROWS();
4066 	}
4067 
4068 	PHAR_ARCHIVE_OBJECT();
4069 
4070 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
4071 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Write operations disabled by the php.ini setting phar.readonly");
4072 		RETURN_THROWS();
4073 	}
4074 
4075 	if (phar_obj->archive->is_persistent && FAILURE == phar_copy_on_write(&(phar_obj->archive))) {
4076 		zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar_obj->archive->fname);
4077 		RETURN_THROWS();
4078 	}
4079 
4080 	ZEND_ASSERT(!phar_obj->archive->is_persistent); /* Should no longer be persistent */
4081 	if (serialize_metadata_or_throw(&phar_obj->archive->metadata_tracker, phar_obj->archive->is_persistent, metadata) != SUCCESS) {
4082 		RETURN_THROWS();
4083 	}
4084 
4085 	phar_obj->archive->is_modified = 1;
4086 	phar_flush(phar_obj->archive, &error);
4087 
4088 	if (error) {
4089 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
4090 		efree(error);
4091 	}
4092 }
4093 /* }}} */
4094 
4095 /* {{{ Deletes the global metadata of the phar */
PHP_METHOD(Phar,delMetadata)4096 PHP_METHOD(Phar, delMetadata)
4097 {
4098 	char *error;
4099 
4100 	if (zend_parse_parameters_none() == FAILURE) {
4101 		RETURN_THROWS();
4102 	}
4103 
4104 	PHAR_ARCHIVE_OBJECT();
4105 
4106 	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
4107 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Write operations disabled by the php.ini setting phar.readonly");
4108 		RETURN_THROWS();
4109 	}
4110 
4111 	if (!phar_metadata_tracker_has_data(&phar_obj->archive->metadata_tracker, phar_obj->archive->is_persistent)) {
4112 		RETURN_TRUE;
4113 	}
4114 
4115 	phar_metadata_tracker_free(&phar_obj->archive->metadata_tracker, phar_obj->archive->is_persistent);
4116 	phar_obj->archive->is_modified = 1;
4117 	phar_flush(phar_obj->archive, &error);
4118 
4119 	if (error) {
4120 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
4121 		efree(error);
4122 		RETURN_THROWS();
4123 	} else {
4124 		RETURN_TRUE;
4125 	}
4126 }
4127 /* }}} */
4128 
phar_extract_file(bool overwrite,phar_entry_info * entry,char * dest,size_t dest_len,char ** error)4129 static zend_result phar_extract_file(bool overwrite, phar_entry_info *entry, char *dest, size_t dest_len, char **error) /* {{{ */
4130 {
4131 	php_stream_statbuf ssb;
4132 	size_t len;
4133 	php_stream *fp;
4134 	char *fullpath;
4135 	const char *slash;
4136 	mode_t mode;
4137 	cwd_state new_state;
4138 	char *filename;
4139 	size_t filename_len;
4140 
4141 	if (entry->is_mounted) {
4142 		/* silently ignore mounted entries */
4143 		return SUCCESS;
4144 	}
4145 
4146 	if (entry->filename_len >= sizeof(".phar")-1 && !memcmp(entry->filename, ".phar", sizeof(".phar")-1)) {
4147 		return SUCCESS;
4148 	}
4149 	/* strip .. from path and restrict it to be under dest directory */
4150 	new_state.cwd = (char*)emalloc(2);
4151 	new_state.cwd[0] = DEFAULT_SLASH;
4152 	new_state.cwd[1] = '\0';
4153 	new_state.cwd_length = 1;
4154 	if (virtual_file_ex(&new_state, entry->filename, NULL, CWD_EXPAND) != 0 ||
4155 			new_state.cwd_length <= 1) {
4156 		if (EINVAL == errno && entry->filename_len > 50) {
4157 			char *tmp = estrndup(entry->filename, 50);
4158 			spprintf(error, 4096, "Cannot extract \"%s...\" to \"%s...\", extracted filename is too long for filesystem", tmp, dest);
4159 			efree(tmp);
4160 		} else {
4161 			spprintf(error, 4096, "Cannot extract \"%s\", internal error", entry->filename);
4162 		}
4163 		efree(new_state.cwd);
4164 		return FAILURE;
4165 	}
4166 	filename = new_state.cwd + 1;
4167 	filename_len = new_state.cwd_length - 1;
4168 #ifdef PHP_WIN32
4169 	/* unixify the path back, otherwise non zip formats might be broken */
4170 	{
4171 		size_t cnt = 0;
4172 
4173 		do {
4174 			if ('\\' == filename[cnt]) {
4175 				filename[cnt] = '/';
4176 			}
4177 		} while (cnt++ < filename_len);
4178 	}
4179 #endif
4180 
4181 	len = spprintf(&fullpath, 0, "%s/%s", dest, filename);
4182 
4183 	if (len >= MAXPATHLEN) {
4184 		char *tmp;
4185 		/* truncate for error message */
4186 		fullpath[50] = '\0';
4187 		if (entry->filename_len > 50) {
4188 			tmp = estrndup(entry->filename, 50);
4189 			spprintf(error, 4096, "Cannot extract \"%s...\" to \"%s...\", extracted filename is too long for filesystem", tmp, fullpath);
4190 			efree(tmp);
4191 		} else {
4192 			spprintf(error, 4096, "Cannot extract \"%s\" to \"%s...\", extracted filename is too long for filesystem", entry->filename, fullpath);
4193 		}
4194 		efree(fullpath);
4195 		efree(new_state.cwd);
4196 		return FAILURE;
4197 	}
4198 
4199 	if (!len) {
4200 		spprintf(error, 4096, "Cannot extract \"%s\", internal error", entry->filename);
4201 		efree(fullpath);
4202 		efree(new_state.cwd);
4203 		return FAILURE;
4204 	}
4205 
4206 	if (php_check_open_basedir(fullpath)) {
4207 		spprintf(error, 4096, "Cannot extract \"%s\" to \"%s\", openbasedir/safe mode restrictions in effect", entry->filename, fullpath);
4208 		efree(fullpath);
4209 		efree(new_state.cwd);
4210 		return FAILURE;
4211 	}
4212 
4213 	/* let see if the path already exists */
4214 	if (!overwrite && SUCCESS == php_stream_stat_path(fullpath, &ssb)) {
4215 		spprintf(error, 4096, "Cannot extract \"%s\" to \"%s\", path already exists", entry->filename, fullpath);
4216 		efree(fullpath);
4217 		efree(new_state.cwd);
4218 		return FAILURE;
4219 	}
4220 
4221 	/* perform dirname */
4222 	slash = zend_memrchr(filename, '/', filename_len);
4223 
4224 	if (slash) {
4225 		fullpath[dest_len + (slash - filename) + 1] = '\0';
4226 	} else {
4227 		fullpath[dest_len] = '\0';
4228 	}
4229 
4230 	if (FAILURE == php_stream_stat_path(fullpath, &ssb)) {
4231 		if (entry->is_dir) {
4232 			if (!php_stream_mkdir(fullpath, entry->flags & PHAR_ENT_PERM_MASK,  PHP_STREAM_MKDIR_RECURSIVE, NULL)) {
4233 				spprintf(error, 4096, "Cannot extract \"%s\", could not create directory \"%s\"", entry->filename, fullpath);
4234 				efree(fullpath);
4235 				efree(new_state.cwd);
4236 				return FAILURE;
4237 			}
4238 		} else {
4239 			if (!php_stream_mkdir(fullpath, 0777,  PHP_STREAM_MKDIR_RECURSIVE, NULL)) {
4240 				spprintf(error, 4096, "Cannot extract \"%s\", could not create directory \"%s\"", entry->filename, fullpath);
4241 				efree(fullpath);
4242 				efree(new_state.cwd);
4243 				return FAILURE;
4244 			}
4245 		}
4246 	}
4247 
4248 	if (slash) {
4249 		fullpath[dest_len + (slash - filename) + 1] = '/';
4250 	} else {
4251 		fullpath[dest_len] = '/';
4252 	}
4253 
4254 	filename = NULL;
4255 	efree(new_state.cwd);
4256 	/* it is a standalone directory, job done */
4257 	if (entry->is_dir) {
4258 		efree(fullpath);
4259 		return SUCCESS;
4260 	}
4261 
4262 	fp = php_stream_open_wrapper(fullpath, "w+b", REPORT_ERRORS, NULL);
4263 
4264 	if (!fp) {
4265 		spprintf(error, 4096, "Cannot extract \"%s\", could not open for writing \"%s\"", entry->filename, fullpath);
4266 		efree(fullpath);
4267 		return FAILURE;
4268 	}
4269 
4270 	if ((phar_get_fp_type(entry) == PHAR_FP && (entry->flags & PHAR_ENT_COMPRESSION_MASK)) || !phar_get_efp(entry, 0)) {
4271 		if (FAILURE == phar_open_entry_fp(entry, error, 1)) {
4272 			if (error) {
4273 				spprintf(error, 4096, "Cannot extract \"%s\" to \"%s\", unable to open internal file pointer: %s", entry->filename, fullpath, *error);
4274 			} else {
4275 				spprintf(error, 4096, "Cannot extract \"%s\" to \"%s\", unable to open internal file pointer", entry->filename, fullpath);
4276 			}
4277 			efree(fullpath);
4278 			php_stream_close(fp);
4279 			return FAILURE;
4280 		}
4281 	}
4282 
4283 	if (-1 == phar_seek_efp(entry, 0, SEEK_SET, 0, 0)) {
4284 		spprintf(error, 4096, "Cannot extract \"%s\" to \"%s\", unable to seek internal file pointer", entry->filename, fullpath);
4285 		efree(fullpath);
4286 		php_stream_close(fp);
4287 		return FAILURE;
4288 	}
4289 
4290 	if (SUCCESS != php_stream_copy_to_stream_ex(phar_get_efp(entry, 0), fp, entry->uncompressed_filesize, NULL)) {
4291 		spprintf(error, 4096, "Cannot extract \"%s\" to \"%s\", copying contents failed", entry->filename, fullpath);
4292 		efree(fullpath);
4293 		php_stream_close(fp);
4294 		return FAILURE;
4295 	}
4296 
4297 	php_stream_close(fp);
4298 	mode = (mode_t) entry->flags & PHAR_ENT_PERM_MASK;
4299 
4300 	if (FAILURE == VCWD_CHMOD(fullpath, mode)) {
4301 		spprintf(error, 4096, "Cannot extract \"%s\" to \"%s\", setting file permissions failed", entry->filename, fullpath);
4302 		efree(fullpath);
4303 		return FAILURE;
4304 	}
4305 
4306 	efree(fullpath);
4307 	return SUCCESS;
4308 }
4309 /* }}} */
4310 
extract_helper(phar_archive_data * archive,zend_string * search,char * pathto,size_t pathto_len,bool overwrite,char ** error)4311 static int extract_helper(phar_archive_data *archive, zend_string *search, char *pathto, size_t pathto_len, bool overwrite, char **error) { /* {{{ */
4312 	int extracted = 0;
4313 	phar_entry_info *entry;
4314 
4315 	if (!search) {
4316 		/* nothing to match -- extract all files */
4317 		ZEND_HASH_MAP_FOREACH_PTR(&archive->manifest, entry) {
4318 			if (FAILURE == phar_extract_file(overwrite, entry, pathto, pathto_len, error)) return -1;
4319 			extracted++;
4320 		} ZEND_HASH_FOREACH_END();
4321 	} else if ('/' == ZSTR_VAL(search)[ZSTR_LEN(search) - 1]) {
4322 		/* ends in "/" -- extract all entries having that prefix */
4323 		ZEND_HASH_MAP_FOREACH_PTR(&archive->manifest, entry) {
4324 			if (0 != strncmp(ZSTR_VAL(search), entry->filename, ZSTR_LEN(search))) continue;
4325 			if (FAILURE == phar_extract_file(overwrite, entry, pathto, pathto_len, error)) return -1;
4326 			extracted++;
4327 		} ZEND_HASH_FOREACH_END();
4328 	} else {
4329 		/* otherwise, looking for an exact match */
4330 		entry = zend_hash_find_ptr(&archive->manifest, search);
4331 		if (NULL == entry) return 0;
4332 		if (FAILURE == phar_extract_file(overwrite, entry, pathto, pathto_len, error)) return -1;
4333 		return 1;
4334 	}
4335 
4336 	return extracted;
4337 }
4338 /* }}} */
4339 
4340 /* {{{ Extract one or more file from a phar archive, optionally overwriting existing files */
PHP_METHOD(Phar,extractTo)4341 PHP_METHOD(Phar, extractTo)
4342 {
4343 	php_stream *fp;
4344 	php_stream_statbuf ssb;
4345 	char *pathto;
4346 	zend_string *filename = NULL;
4347 	size_t pathto_len;
4348 	int ret;
4349 	zval *zval_file;
4350 	HashTable *files_ht = NULL;
4351 	bool overwrite = 0;
4352 	char *error = NULL;
4353 
4354 	ZEND_PARSE_PARAMETERS_START(1, 3)
4355 		Z_PARAM_PATH(pathto, pathto_len)
4356 		Z_PARAM_OPTIONAL
4357 		Z_PARAM_ARRAY_HT_OR_STR_OR_NULL(files_ht, filename)
4358 		Z_PARAM_BOOL(overwrite)
4359 	ZEND_PARSE_PARAMETERS_END();
4360 
4361 	PHAR_ARCHIVE_OBJECT();
4362 
4363 	fp = php_stream_open_wrapper(phar_obj->archive->fname, "rb", IGNORE_URL|STREAM_MUST_SEEK, NULL);
4364 
4365 	if (!fp) {
4366 		zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0,
4367 			"Invalid argument, %s cannot be found", phar_obj->archive->fname);
4368 		RETURN_THROWS();
4369 	}
4370 
4371 	php_stream_close(fp);
4372 
4373 	if (pathto_len < 1) {
4374 		zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0,
4375 			"Invalid argument, extraction path must be non-zero length");
4376 		RETURN_THROWS();
4377 	}
4378 
4379 	if (pathto_len >= MAXPATHLEN) {
4380 		char *tmp = estrndup(pathto, 50);
4381 		/* truncate for error message */
4382 		zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0, "Cannot extract to \"%s...\", destination directory is too long for filesystem", tmp);
4383 		efree(tmp);
4384 		RETURN_THROWS();
4385 	}
4386 
4387 	if (php_stream_stat_path(pathto, &ssb) < 0) {
4388 		ret = php_stream_mkdir(pathto, 0777,  PHP_STREAM_MKDIR_RECURSIVE, NULL);
4389 		if (!ret) {
4390 			zend_throw_exception_ex(spl_ce_RuntimeException, 0,
4391 				"Unable to create path \"%s\" for extraction", pathto);
4392 			RETURN_THROWS();
4393 		}
4394 	} else if (!(ssb.sb.st_mode & S_IFDIR)) {
4395 		zend_throw_exception_ex(spl_ce_RuntimeException, 0,
4396 			"Unable to use path \"%s\" for extraction, it is a file, must be a directory", pathto);
4397 		RETURN_THROWS();
4398 	}
4399 
4400 	if (files_ht) {
4401 		if (zend_hash_num_elements(files_ht) == 0) {
4402 			RETURN_FALSE;
4403 		}
4404 
4405 		ZEND_HASH_FOREACH_VAL(files_ht, zval_file) {
4406 			ZVAL_DEREF(zval_file);
4407 			if (IS_STRING != Z_TYPE_P(zval_file)) {
4408 				zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0,
4409 					"Invalid argument, array of filenames to extract contains non-string value");
4410 				RETURN_THROWS();
4411 			}
4412 			switch (extract_helper(phar_obj->archive, Z_STR_P(zval_file), pathto, pathto_len, overwrite, &error)) {
4413 				case -1:
4414 					zend_throw_exception_ex(phar_ce_PharException, 0, "Extraction from phar \"%s\" failed: %s",
4415 						phar_obj->archive->fname, error);
4416 					efree(error);
4417 					RETURN_THROWS();
4418 				case 0:
4419 					zend_throw_exception_ex(phar_ce_PharException, 0,
4420 						"phar error: attempted to extract non-existent file or directory \"%s\" from phar \"%s\"",
4421 						ZSTR_VAL(Z_STR_P(zval_file)), phar_obj->archive->fname);
4422 					RETURN_THROWS();
4423 			}
4424 		} ZEND_HASH_FOREACH_END();
4425 		RETURN_TRUE;
4426 	}
4427 
4428 	ret = extract_helper(phar_obj->archive, filename, pathto, pathto_len, overwrite, &error);
4429 	if (-1 == ret) {
4430 		zend_throw_exception_ex(phar_ce_PharException, 0, "Extraction from phar \"%s\" failed: %s",
4431 			phar_obj->archive->fname, error);
4432 		efree(error);
4433 	} else if (0 == ret && NULL != filename) {
4434 		zend_throw_exception_ex(phar_ce_PharException, 0,
4435 			"phar error: attempted to extract non-existent file or directory \"%s\" from phar \"%s\"",
4436 			ZSTR_VAL(filename), phar_obj->archive->fname);
4437 	} else {
4438 		RETURN_TRUE;
4439 	}
4440 }
4441 /* }}} */
4442 
4443 
4444 /* {{{ Construct a Phar entry object */
PHP_METHOD(PharFileInfo,__construct)4445 PHP_METHOD(PharFileInfo, __construct)
4446 {
4447 	char *fname, *arch, *entry, *error;
4448 	size_t fname_len;
4449 	size_t arch_len, entry_len;
4450 	phar_entry_object *entry_obj;
4451 	phar_entry_info *entry_info;
4452 	phar_archive_data *phar_data;
4453 	zval *zobj = ZEND_THIS, arg1;
4454 
4455 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &fname, &fname_len) == FAILURE) {
4456 		RETURN_THROWS();
4457 	}
4458 
4459 	entry_obj = (phar_entry_object*)((char*)Z_OBJ_P(zobj) - Z_OBJ_P(zobj)->handlers->offset);
4460 
4461 	if (entry_obj->entry) {
4462 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Cannot call constructor twice");
4463 		RETURN_THROWS();
4464 	}
4465 
4466 	if (fname_len < 7 || memcmp(fname, "phar://", 7) || phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0) == FAILURE) {
4467 		zend_throw_exception_ex(spl_ce_RuntimeException, 0,
4468 			"'%s' is not a valid phar archive URL (must have at least phar://filename.phar)", fname);
4469 		RETURN_THROWS();
4470 	}
4471 
4472 	if (phar_open_from_filename(arch, arch_len, NULL, 0, REPORT_ERRORS, &phar_data, &error) == FAILURE) {
4473 		efree(arch);
4474 		efree(entry);
4475 		if (error) {
4476 			zend_throw_exception_ex(spl_ce_RuntimeException, 0,
4477 				"Cannot open phar file '%s': %s", fname, error);
4478 			efree(error);
4479 		} else {
4480 			zend_throw_exception_ex(spl_ce_RuntimeException, 0,
4481 				"Cannot open phar file '%s'", fname);
4482 		}
4483 		RETURN_THROWS();
4484 	}
4485 
4486 	if ((entry_info = phar_get_entry_info_dir(phar_data, entry, entry_len, 1, &error, 1)) == NULL) {
4487 		zend_throw_exception_ex(spl_ce_RuntimeException, 0,
4488 			"Cannot access phar file entry '%s' in archive '%s'%s%s", entry, arch, error ? ", " : "", error ? error : "");
4489 		efree(arch);
4490 		efree(entry);
4491 		RETURN_THROWS();
4492 	}
4493 
4494 	efree(arch);
4495 	efree(entry);
4496 
4497 	entry_obj->entry = entry_info;
4498 
4499 	ZVAL_STRINGL(&arg1, fname, fname_len);
4500 
4501 	zend_call_known_instance_method_with_1_params(spl_ce_SplFileInfo->constructor,
4502 		Z_OBJ_P(zobj), NULL, &arg1);
4503 
4504 	zval_ptr_dtor(&arg1);
4505 }
4506 /* }}} */
4507 
4508 #define PHAR_ENTRY_OBJECT() \
4509 	zval *zobj = ZEND_THIS; \
4510 	phar_entry_object *entry_obj = (phar_entry_object*)((char*)Z_OBJ_P(zobj) - Z_OBJ_P(zobj)->handlers->offset); \
4511 	if (!entry_obj->entry) { \
4512 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, \
4513 			"Cannot call method on an uninitialized PharFileInfo object"); \
4514 		RETURN_THROWS(); \
4515 	}
4516 
4517 /* {{{ clean up directory-based entry objects */
PHP_METHOD(PharFileInfo,__destruct)4518 PHP_METHOD(PharFileInfo, __destruct)
4519 {
4520 	zval *zobj = ZEND_THIS;
4521 	phar_entry_object *entry_obj = (phar_entry_object*)((char*)Z_OBJ_P(zobj) - Z_OBJ_P(zobj)->handlers->offset);
4522 
4523 	if (zend_parse_parameters_none() == FAILURE) {
4524 		RETURN_THROWS();
4525 	}
4526 
4527 	if (entry_obj->entry && entry_obj->entry->is_temp_dir) {
4528 		if (entry_obj->entry->filename) {
4529 			efree(entry_obj->entry->filename);
4530 			entry_obj->entry->filename = NULL;
4531 		}
4532 
4533 		efree(entry_obj->entry);
4534 		entry_obj->entry = NULL;
4535 	}
4536 }
4537 /* }}} */
4538 
4539 /* {{{ Returns the compressed size */
PHP_METHOD(PharFileInfo,getCompressedSize)4540 PHP_METHOD(PharFileInfo, getCompressedSize)
4541 {
4542 	if (zend_parse_parameters_none() == FAILURE) {
4543 		RETURN_THROWS();
4544 	}
4545 
4546 	PHAR_ENTRY_OBJECT();
4547 
4548 	RETURN_LONG(entry_obj->entry->compressed_filesize);
4549 }
4550 /* }}} */
4551 
4552 /* {{{ Returns whether the entry is compressed, and whether it is compressed with Phar::GZ or Phar::BZ2 if specified */
PHP_METHOD(PharFileInfo,isCompressed)4553 PHP_METHOD(PharFileInfo, isCompressed)
4554 {
4555 	zend_long method;
4556 	bool method_is_null = 1;
4557 
4558 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l!", &method, &method_is_null) == FAILURE) {
4559 		RETURN_THROWS();
4560 	}
4561 
4562 	PHAR_ENTRY_OBJECT();
4563 
4564 	if (method_is_null) {
4565 		RETURN_BOOL(entry_obj->entry->flags & PHAR_ENT_COMPRESSION_MASK);
4566 	}
4567 
4568 	switch (method) {
4569 		case 9021976: /* Retained for BC */
4570 			RETURN_BOOL(entry_obj->entry->flags & PHAR_ENT_COMPRESSION_MASK);
4571 		case PHAR_ENT_COMPRESSED_GZ:
4572 			RETURN_BOOL(entry_obj->entry->flags & PHAR_ENT_COMPRESSED_GZ);
4573 		case PHAR_ENT_COMPRESSED_BZ2:
4574 			RETURN_BOOL(entry_obj->entry->flags & PHAR_ENT_COMPRESSED_BZ2);
4575 		default:
4576 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Unknown compression type specified");
4577 			RETURN_THROWS();
4578 	}
4579 }
4580 /* }}} */
4581 
4582 /* {{{ Returns CRC32 code or throws an exception if not CRC checked */
PHP_METHOD(PharFileInfo,getCRC32)4583 PHP_METHOD(PharFileInfo, getCRC32)
4584 {
4585 	if (zend_parse_parameters_none() == FAILURE) {
4586 		RETURN_THROWS();
4587 	}
4588 
4589 	PHAR_ENTRY_OBJECT();
4590 
4591 	if (entry_obj->entry->is_dir) {
4592 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, \
4593 			"Phar entry is a directory, does not have a CRC"); \
4594 		RETURN_THROWS();
4595 	}
4596 
4597 	if (entry_obj->entry->is_crc_checked) {
4598 		RETURN_LONG(entry_obj->entry->crc32);
4599 	} else {
4600 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Phar entry was not CRC checked");
4601 		RETURN_THROWS();
4602 	}
4603 }
4604 /* }}} */
4605 
4606 /* {{{ Returns whether file entry is CRC checked */
PHP_METHOD(PharFileInfo,isCRCChecked)4607 PHP_METHOD(PharFileInfo, isCRCChecked)
4608 {
4609 	if (zend_parse_parameters_none() == FAILURE) {
4610 		RETURN_THROWS();
4611 	}
4612 
4613 	PHAR_ENTRY_OBJECT();
4614 
4615 	RETURN_BOOL(entry_obj->entry->is_crc_checked);
4616 }
4617 /* }}} */
4618 
4619 /* {{{ Returns the Phar file entry flags */
PHP_METHOD(PharFileInfo,getPharFlags)4620 PHP_METHOD(PharFileInfo, getPharFlags)
4621 {
4622 	if (zend_parse_parameters_none() == FAILURE) {
4623 		RETURN_THROWS();
4624 	}
4625 
4626 	PHAR_ENTRY_OBJECT();
4627 
4628 	RETURN_LONG(entry_obj->entry->flags & ~(PHAR_ENT_PERM_MASK|PHAR_ENT_COMPRESSION_MASK));
4629 }
4630 /* }}} */
4631 
4632 /* {{{ set the file permissions for the Phar.  This only allows setting execution bit, read/write */
PHP_METHOD(PharFileInfo,chmod)4633 PHP_METHOD(PharFileInfo, chmod)
4634 {
4635 	char *error;
4636 	zend_long perms;
4637 
4638 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &perms) == FAILURE) {
4639 		RETURN_THROWS();
4640 	}
4641 
4642 	PHAR_ENTRY_OBJECT();
4643 
4644 	if (entry_obj->entry->is_temp_dir) {
4645 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, \
4646 			"Phar entry \"%s\" is a temporary directory (not an actual entry in the archive), cannot chmod", entry_obj->entry->filename); \
4647 		RETURN_THROWS();
4648 	}
4649 
4650 	if (PHAR_G(readonly) && !entry_obj->entry->phar->is_data) {
4651 		zend_throw_exception_ex(phar_ce_PharException, 0, "Cannot modify permissions for file \"%s\" in phar \"%s\", write operations are prohibited", entry_obj->entry->filename, entry_obj->entry->phar->fname);
4652 		RETURN_THROWS();
4653 	}
4654 
4655 	if (entry_obj->entry->is_persistent) {
4656 		phar_archive_data *phar = entry_obj->entry->phar;
4657 
4658 		if (FAILURE == phar_copy_on_write(&phar)) {
4659 			zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar->fname);
4660 			RETURN_THROWS();
4661 		}
4662 		/* re-populate after copy-on-write */
4663 		entry_obj->entry = zend_hash_str_find_ptr(&phar->manifest, entry_obj->entry->filename, entry_obj->entry->filename_len);
4664 	}
4665 	/* clear permissions */
4666 	entry_obj->entry->flags &= ~PHAR_ENT_PERM_MASK;
4667 	perms &= 0777;
4668 	entry_obj->entry->flags |= perms;
4669 	entry_obj->entry->old_flags = entry_obj->entry->flags;
4670 	entry_obj->entry->phar->is_modified = 1;
4671 	entry_obj->entry->is_modified = 1;
4672 
4673 	/* hackish cache in php_stat needs to be cleared */
4674 	/* if this code fails to work, check main/streams/streams.c, _php_stream_stat_path */
4675 	if (BG(CurrentLStatFile)) {
4676 		zend_string_release(BG(CurrentLStatFile));
4677 	}
4678 
4679 	if (BG(CurrentStatFile)) {
4680 		zend_string_release(BG(CurrentStatFile));
4681 	}
4682 
4683 	BG(CurrentLStatFile) = NULL;
4684 	BG(CurrentStatFile) = NULL;
4685 	phar_flush(entry_obj->entry->phar, &error);
4686 
4687 	if (error) {
4688 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
4689 		efree(error);
4690 	}
4691 }
4692 /* }}} */
4693 
4694 /* {{{ Returns the metadata of the entry */
PHP_METHOD(PharFileInfo,hasMetadata)4695 PHP_METHOD(PharFileInfo, hasMetadata)
4696 {
4697 	if (zend_parse_parameters_none() == FAILURE) {
4698 		RETURN_THROWS();
4699 	}
4700 
4701 	PHAR_ENTRY_OBJECT();
4702 
4703 	RETURN_BOOL(phar_metadata_tracker_has_data(&entry_obj->entry->metadata_tracker, entry_obj->entry->is_persistent));
4704 }
4705 /* }}} */
4706 
4707 /* {{{ Returns the metadata of the entry */
PHP_METHOD(PharFileInfo,getMetadata)4708 PHP_METHOD(PharFileInfo, getMetadata)
4709 {
4710 	HashTable *unserialize_options = NULL;
4711 	phar_metadata_tracker *tracker;
4712 
4713 	ZEND_PARSE_PARAMETERS_START(0, 1)
4714 		Z_PARAM_OPTIONAL
4715 		Z_PARAM_ARRAY_HT(unserialize_options)
4716 	ZEND_PARSE_PARAMETERS_END();
4717 
4718 	PHAR_ENTRY_OBJECT();
4719 
4720 	tracker = &entry_obj->entry->metadata_tracker;
4721 	if (phar_metadata_tracker_has_data(tracker, entry_obj->entry->is_persistent)) {
4722 		phar_metadata_tracker_unserialize_or_copy(tracker, return_value, entry_obj->entry->is_persistent, unserialize_options, "PharFileInfo::getMetadata");
4723 	}
4724 }
4725 /* }}} */
4726 
4727 /* {{{ Sets the metadata of the entry */
PHP_METHOD(PharFileInfo,setMetadata)4728 PHP_METHOD(PharFileInfo, setMetadata)
4729 {
4730 	char *error;
4731 	zval *metadata;
4732 
4733 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &metadata) == FAILURE) {
4734 		RETURN_THROWS();
4735 	}
4736 
4737 	PHAR_ENTRY_OBJECT();
4738 
4739 	if (PHAR_G(readonly) && !entry_obj->entry->phar->is_data) {
4740 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Write operations disabled by the php.ini setting phar.readonly");
4741 		RETURN_THROWS();
4742 	}
4743 
4744 	if (entry_obj->entry->is_temp_dir) {
4745 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, \
4746 			"Phar entry is a temporary directory (not an actual entry in the archive), cannot set metadata"); \
4747 		RETURN_THROWS();
4748 	}
4749 
4750 	if (entry_obj->entry->is_persistent) {
4751 		phar_archive_data *phar = entry_obj->entry->phar;
4752 
4753 		if (FAILURE == phar_copy_on_write(&phar)) {
4754 			zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar->fname);
4755 			RETURN_THROWS();
4756 		}
4757 		/* re-populate after copy-on-write */
4758 		entry_obj->entry = zend_hash_str_find_ptr(&phar->manifest, entry_obj->entry->filename, entry_obj->entry->filename_len);
4759 		ZEND_ASSERT(!entry_obj->entry->is_persistent); /* Should no longer be persistent */
4760 	}
4761 
4762 	if (serialize_metadata_or_throw(&entry_obj->entry->metadata_tracker, entry_obj->entry->is_persistent, metadata) != SUCCESS) {
4763 		RETURN_THROWS();
4764 	}
4765 
4766 	entry_obj->entry->is_modified = 1;
4767 	entry_obj->entry->phar->is_modified = 1;
4768 	phar_flush(entry_obj->entry->phar, &error);
4769 
4770 	if (error) {
4771 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
4772 		efree(error);
4773 	}
4774 }
4775 /* }}} */
4776 
4777 /* {{{ Deletes the metadata of the entry */
PHP_METHOD(PharFileInfo,delMetadata)4778 PHP_METHOD(PharFileInfo, delMetadata)
4779 {
4780 	char *error;
4781 
4782 	if (zend_parse_parameters_none() == FAILURE) {
4783 		RETURN_THROWS();
4784 	}
4785 
4786 	PHAR_ENTRY_OBJECT();
4787 
4788 	if (PHAR_G(readonly) && !entry_obj->entry->phar->is_data) {
4789 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Write operations disabled by the php.ini setting phar.readonly");
4790 		RETURN_THROWS();
4791 	}
4792 
4793 	if (entry_obj->entry->is_temp_dir) {
4794 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, \
4795 			"Phar entry is a temporary directory (not an actual entry in the archive), cannot delete metadata"); \
4796 		RETURN_THROWS();
4797 	}
4798 
4799 	if (phar_metadata_tracker_has_data(&entry_obj->entry->metadata_tracker, entry_obj->entry->is_persistent)) {
4800 		if (entry_obj->entry->is_persistent) {
4801 			phar_archive_data *phar = entry_obj->entry->phar;
4802 
4803 			if (FAILURE == phar_copy_on_write(&phar)) {
4804 				zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar->fname);
4805 				RETURN_THROWS();
4806 			}
4807 			/* re-populate after copy-on-write */
4808 			entry_obj->entry = zend_hash_str_find_ptr(&phar->manifest, entry_obj->entry->filename, entry_obj->entry->filename_len);
4809 		}
4810 		/* multiple values may reference the metadata */
4811 		phar_metadata_tracker_free(&entry_obj->entry->metadata_tracker, entry_obj->entry->is_persistent);
4812 		entry_obj->entry->is_modified = 1;
4813 		entry_obj->entry->phar->is_modified = 1;
4814 
4815 		phar_flush(entry_obj->entry->phar, &error);
4816 
4817 		if (error) {
4818 			zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
4819 			efree(error);
4820 			RETURN_THROWS();
4821 		} else {
4822 			RETURN_TRUE;
4823 		}
4824 
4825 	} else {
4826 		RETURN_TRUE;
4827 	}
4828 }
4829 /* }}} */
4830 
4831 /* {{{ return the complete file contents of the entry (like file_get_contents) */
PHP_METHOD(PharFileInfo,getContent)4832 PHP_METHOD(PharFileInfo, getContent)
4833 {
4834 	char *error;
4835 	php_stream *fp;
4836 	phar_entry_info *link;
4837 	zend_string *str;
4838 
4839 	if (zend_parse_parameters_none() == FAILURE) {
4840 		RETURN_THROWS();
4841 	}
4842 
4843 	PHAR_ENTRY_OBJECT();
4844 
4845 	if (entry_obj->entry->is_dir) {
4846 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4847 			"phar error: Cannot retrieve contents, \"%s\" in phar \"%s\" is a directory", entry_obj->entry->filename, entry_obj->entry->phar->fname);
4848 		RETURN_THROWS();
4849 	}
4850 
4851 	link = phar_get_link_source(entry_obj->entry);
4852 
4853 	if (!link) {
4854 		link = entry_obj->entry;
4855 	}
4856 
4857 	if (SUCCESS != phar_open_entry_fp(link, &error, 0)) {
4858 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4859 			"phar error: Cannot retrieve contents, \"%s\" in phar \"%s\": %s", entry_obj->entry->filename, entry_obj->entry->phar->fname, error);
4860 		efree(error);
4861 		RETURN_THROWS();
4862 	}
4863 
4864 	if (!(fp = phar_get_efp(link, 0))) {
4865 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4866 			"phar error: Cannot retrieve contents of \"%s\" in phar \"%s\"", entry_obj->entry->filename, entry_obj->entry->phar->fname);
4867 		RETURN_THROWS();
4868 	}
4869 
4870 	phar_seek_efp(link, 0, SEEK_SET, 0, 0);
4871 	str = php_stream_copy_to_mem(fp, link->uncompressed_filesize, 0);
4872 	if (str) {
4873 		RETURN_STR(str);
4874 	} else {
4875 		RETURN_EMPTY_STRING();
4876 	}
4877 }
4878 /* }}} */
4879 
4880 /* {{{ Instructs the Phar class to compress the current file using zlib or bzip2 compression */
PHP_METHOD(PharFileInfo,compress)4881 PHP_METHOD(PharFileInfo, compress)
4882 {
4883 	zend_long method;
4884 	char *error;
4885 
4886 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &method) == FAILURE) {
4887 		RETURN_THROWS();
4888 	}
4889 
4890 	PHAR_ENTRY_OBJECT();
4891 
4892 	if (entry_obj->entry->is_tar) {
4893 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4894 			"Cannot compress with Gzip compression, not possible with tar-based phar archives");
4895 		RETURN_THROWS();
4896 	}
4897 
4898 	if (entry_obj->entry->is_dir) {
4899 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, \
4900 			"Phar entry is a directory, cannot set compression"); \
4901 		RETURN_THROWS();
4902 	}
4903 
4904 	if (PHAR_G(readonly) && !entry_obj->entry->phar->is_data) {
4905 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4906 			"Phar is readonly, cannot change compression");
4907 		RETURN_THROWS();
4908 	}
4909 
4910 	if (entry_obj->entry->is_deleted) {
4911 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4912 			"Cannot compress deleted file");
4913 		RETURN_THROWS();
4914 	}
4915 
4916 	if (entry_obj->entry->is_persistent) {
4917 		phar_archive_data *phar = entry_obj->entry->phar;
4918 
4919 		if (FAILURE == phar_copy_on_write(&phar)) {
4920 			zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar->fname);
4921 			RETURN_THROWS();
4922 		}
4923 		/* re-populate after copy-on-write */
4924 		entry_obj->entry = zend_hash_str_find_ptr(&phar->manifest, entry_obj->entry->filename, entry_obj->entry->filename_len);
4925 	}
4926 	switch (method) {
4927 		case PHAR_ENT_COMPRESSED_GZ:
4928 			if (entry_obj->entry->flags & PHAR_ENT_COMPRESSED_GZ) {
4929 				RETURN_TRUE;
4930 			}
4931 
4932 			if ((entry_obj->entry->flags & PHAR_ENT_COMPRESSED_BZ2) != 0) {
4933 				if (!PHAR_G(has_bz2)) {
4934 					zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4935 						"Cannot compress with gzip compression, file is already compressed with bzip2 compression and bz2 extension is not enabled, cannot decompress");
4936 					RETURN_THROWS();
4937 				}
4938 
4939 				/* decompress this file indirectly */
4940 				if (SUCCESS != phar_open_entry_fp(entry_obj->entry, &error, 1)) {
4941 					zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4942 						"phar error: Cannot decompress bzip2-compressed file \"%s\" in phar \"%s\" in order to compress with gzip: %s", entry_obj->entry->filename, entry_obj->entry->phar->fname, error);
4943 					efree(error);
4944 					RETURN_THROWS();
4945 				}
4946 			}
4947 
4948 			if (!PHAR_G(has_zlib)) {
4949 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4950 					"Cannot compress with gzip compression, zlib extension is not enabled");
4951 				RETURN_THROWS();
4952 			}
4953 
4954 			entry_obj->entry->old_flags = entry_obj->entry->flags;
4955 			entry_obj->entry->flags &= ~PHAR_ENT_COMPRESSION_MASK;
4956 			entry_obj->entry->flags |= PHAR_ENT_COMPRESSED_GZ;
4957 			break;
4958 		case PHAR_ENT_COMPRESSED_BZ2:
4959 			if (entry_obj->entry->flags & PHAR_ENT_COMPRESSED_BZ2) {
4960 				RETURN_TRUE;
4961 			}
4962 
4963 			if ((entry_obj->entry->flags & PHAR_ENT_COMPRESSED_GZ) != 0) {
4964 				if (!PHAR_G(has_zlib)) {
4965 					zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4966 						"Cannot compress with bzip2 compression, file is already compressed with gzip compression and zlib extension is not enabled, cannot decompress");
4967 					RETURN_THROWS();
4968 				}
4969 
4970 				/* decompress this file indirectly */
4971 				if (SUCCESS != phar_open_entry_fp(entry_obj->entry, &error, 1)) {
4972 					zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4973 						"phar error: Cannot decompress gzip-compressed file \"%s\" in phar \"%s\" in order to compress with bzip2: %s", entry_obj->entry->filename, entry_obj->entry->phar->fname, error);
4974 					efree(error);
4975 					RETURN_THROWS();
4976 				}
4977 			}
4978 
4979 			if (!PHAR_G(has_bz2)) {
4980 				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
4981 					"Cannot compress with bzip2 compression, bz2 extension is not enabled");
4982 				RETURN_THROWS();
4983 			}
4984 			entry_obj->entry->old_flags = entry_obj->entry->flags;
4985 			entry_obj->entry->flags &= ~PHAR_ENT_COMPRESSION_MASK;
4986 			entry_obj->entry->flags |= PHAR_ENT_COMPRESSED_BZ2;
4987 			break;
4988 		default:
4989 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Unknown compression type specified");
4990 			RETURN_THROWS();
4991 	}
4992 
4993 	entry_obj->entry->phar->is_modified = 1;
4994 	entry_obj->entry->is_modified = 1;
4995 	phar_flush(entry_obj->entry->phar, &error);
4996 
4997 	if (error) {
4998 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
4999 		efree(error);
5000 		RETURN_THROWS();
5001 	}
5002 
5003 	RETURN_TRUE;
5004 }
5005 /* }}} */
5006 
5007 /* {{{ Instructs the Phar class to decompress the current file */
PHP_METHOD(PharFileInfo,decompress)5008 PHP_METHOD(PharFileInfo, decompress)
5009 {
5010 	char *error;
5011 	char *compression_type;
5012 
5013 	if (zend_parse_parameters_none() == FAILURE) {
5014 		RETURN_THROWS();
5015 	}
5016 
5017 	PHAR_ENTRY_OBJECT();
5018 
5019 	if (entry_obj->entry->is_dir) {
5020 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, \
5021 			"Phar entry is a directory, cannot set compression"); \
5022 		RETURN_THROWS();
5023 	}
5024 
5025 	if ((entry_obj->entry->flags & PHAR_ENT_COMPRESSION_MASK) == 0) {
5026 		RETURN_TRUE;
5027 	}
5028 
5029 	if (PHAR_G(readonly) && !entry_obj->entry->phar->is_data) {
5030 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
5031 			"Phar is readonly, cannot decompress");
5032 		RETURN_THROWS();
5033 	}
5034 
5035 	if (entry_obj->entry->is_deleted) {
5036 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
5037 			"Cannot compress deleted file");
5038 		RETURN_THROWS();
5039 	}
5040 
5041 	if ((entry_obj->entry->flags & PHAR_ENT_COMPRESSED_GZ) != 0 && !PHAR_G(has_zlib)) {
5042 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
5043 			"Cannot decompress Gzip-compressed file, zlib extension is not enabled");
5044 		RETURN_THROWS();
5045 	}
5046 
5047 	if ((entry_obj->entry->flags & PHAR_ENT_COMPRESSED_BZ2) != 0 && !PHAR_G(has_bz2)) {
5048 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
5049 			"Cannot decompress Bzip2-compressed file, bz2 extension is not enabled");
5050 		RETURN_THROWS();
5051 	}
5052 
5053 	if (entry_obj->entry->is_persistent) {
5054 		phar_archive_data *phar = entry_obj->entry->phar;
5055 
5056 		if (FAILURE == phar_copy_on_write(&phar)) {
5057 			zend_throw_exception_ex(phar_ce_PharException, 0, "phar \"%s\" is persistent, unable to copy on write", phar->fname);
5058 			RETURN_THROWS();
5059 		}
5060 		/* re-populate after copy-on-write */
5061 		entry_obj->entry = zend_hash_str_find_ptr(&phar->manifest, entry_obj->entry->filename, entry_obj->entry->filename_len);
5062 	}
5063 	switch (entry_obj->entry->flags & PHAR_ENT_COMPRESSION_MASK) {
5064 		case PHAR_ENT_COMPRESSED_GZ:
5065 			compression_type = "gzip";
5066 			break;
5067 		case PHAR_ENT_COMPRESSED_BZ2:
5068 			compression_type = "bz2";
5069 			break;
5070 		default:
5071 			zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
5072 				"Cannot decompress file compressed with unknown compression type");
5073 			RETURN_THROWS();
5074 	}
5075 	/* decompress this file indirectly */
5076 	if (SUCCESS != phar_open_entry_fp(entry_obj->entry, &error, 1)) {
5077 		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0,
5078 			"Phar error: Cannot decompress %s-compressed file \"%s\" in phar \"%s\": %s", compression_type, entry_obj->entry->filename, entry_obj->entry->phar->fname, error);
5079 		efree(error);
5080 		RETURN_THROWS();
5081 	}
5082 
5083 	entry_obj->entry->old_flags = entry_obj->entry->flags;
5084 	entry_obj->entry->flags &= ~PHAR_ENT_COMPRESSION_MASK;
5085 	entry_obj->entry->phar->is_modified = 1;
5086 	entry_obj->entry->is_modified = 1;
5087 	phar_flush(entry_obj->entry->phar, &error);
5088 
5089 	if (error) {
5090 		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
5091 		efree(error);
5092 		RETURN_THROWS();
5093 	}
5094 
5095 	RETURN_TRUE;
5096 }
5097 /* }}} */
5098 
5099 /* {{{ phar methods */
5100 
phar_object_init(void)5101 void phar_object_init(void) /* {{{ */
5102 {
5103 	phar_ce_PharException = register_class_PharException(zend_ce_exception);
5104 
5105 	phar_ce_archive = register_class_Phar(spl_ce_RecursiveDirectoryIterator, zend_ce_countable, zend_ce_arrayaccess);
5106 
5107 	phar_ce_data = register_class_PharData(spl_ce_RecursiveDirectoryIterator, zend_ce_countable, zend_ce_arrayaccess);
5108 
5109 	phar_ce_entry = register_class_PharFileInfo(spl_ce_SplFileInfo);
5110 }
5111 /* }}} */
5112