1 /*
2 +----------------------------------------------------------------------+
3 | phar php single-file executable PHP extension |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 2006-2018 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 | http://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 /* $Id$ */
21
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25
26 #include <time.h>
27 #include "php.h"
28 #include "tar.h"
29 #include "php_ini.h"
30 #include "zend_constants.h"
31 #include "zend_execute.h"
32 #include "zend_exceptions.h"
33 #include "zend_hash.h"
34 #include "zend_interfaces.h"
35 #include "zend_operators.h"
36 #include "zend_sort.h"
37 #include "zend_vm.h"
38 #include "zend_smart_str.h"
39 #include "main/php_streams.h"
40 #include "main/streams/php_stream_plain_wrapper.h"
41 #include "main/SAPI.h"
42 #include "main/php_main.h"
43 #include "main/php_open_temporary_file.h"
44 #include "ext/standard/info.h"
45 #include "ext/standard/basic_functions.h"
46 #include "ext/standard/file.h"
47 #include "ext/standard/php_string.h"
48 #include "ext/standard/url.h"
49 #include "ext/standard/crc32.h"
50 #include "ext/standard/md5.h"
51 #include "ext/standard/sha1.h"
52 #include "ext/standard/php_var.h"
53 #include "ext/standard/php_versioning.h"
54 #ifndef PHP_WIN32
55 #include "TSRM/tsrm_strtok_r.h"
56 #endif
57 #include "Zend/zend_virtual_cwd.h"
58 #include "ext/spl/spl_array.h"
59 #include "ext/spl/spl_directory.h"
60 #include "ext/spl/spl_engine.h"
61 #include "ext/spl/spl_exceptions.h"
62 #include "ext/spl/spl_iterators.h"
63 #include "php_phar.h"
64 #ifdef PHAR_HASH_OK
65 #include "ext/hash/php_hash.h"
66 #include "ext/hash/php_hash_sha.h"
67 #endif
68
69 /* PHP_ because this is public information via MINFO */
70 #define PHP_PHAR_API_VERSION "1.1.1"
71 /* x.y.z maps to 0xyz0 */
72 #define PHAR_API_VERSION 0x1110
73 /* if we bump PHAR_API_VERSION, change this from 0x1100 to PHAR_API_VERSION */
74 #define PHAR_API_VERSION_NODIR 0x1100
75 #define PHAR_API_MIN_DIR 0x1110
76 #define PHAR_API_MIN_READ 0x1000
77 #define PHAR_API_MAJORVERSION 0x1000
78 #define PHAR_API_MAJORVER_MASK 0xF000
79 #define PHAR_API_VER_MASK 0xFFF0
80
81 #define PHAR_HDR_COMPRESSION_MASK 0x0000F000
82 #define PHAR_HDR_COMPRESSED_NONE 0x00000000
83 #define PHAR_HDR_COMPRESSED_GZ 0x00001000
84 #define PHAR_HDR_COMPRESSED_BZ2 0x00002000
85 #define PHAR_HDR_SIGNATURE 0x00010000
86
87 /* flags for defining that the entire file should be compressed */
88 #define PHAR_FILE_COMPRESSION_MASK 0x00F00000
89 #define PHAR_FILE_COMPRESSED_NONE 0x00000000
90 #define PHAR_FILE_COMPRESSED_GZ 0x00100000
91 #define PHAR_FILE_COMPRESSED_BZ2 0x00200000
92
93 #define PHAR_SIG_MD5 0x0001
94 #define PHAR_SIG_SHA1 0x0002
95 #define PHAR_SIG_SHA256 0x0003
96 #define PHAR_SIG_SHA512 0x0004
97 #define PHAR_SIG_OPENSSL 0x0010
98
99 /* flags byte for each file adheres to these bitmasks.
100 All unused values are reserved */
101 #define PHAR_ENT_COMPRESSION_MASK 0x0000F000
102 #define PHAR_ENT_COMPRESSED_NONE 0x00000000
103 #define PHAR_ENT_COMPRESSED_GZ 0x00001000
104 #define PHAR_ENT_COMPRESSED_BZ2 0x00002000
105
106 #define PHAR_ENT_PERM_MASK 0x000001FF
107 #define PHAR_ENT_PERM_MASK_USR 0x000001C0
108 #define PHAR_ENT_PERM_SHIFT_USR 6
109 #define PHAR_ENT_PERM_MASK_GRP 0x00000038
110 #define PHAR_ENT_PERM_SHIFT_GRP 3
111 #define PHAR_ENT_PERM_MASK_OTH 0x00000007
112 #define PHAR_ENT_PERM_DEF_FILE 0x000001B6
113 #define PHAR_ENT_PERM_DEF_DIR 0x000001FF
114
115 #define PHAR_FORMAT_SAME 0
116 #define PHAR_FORMAT_PHAR 1
117 #define PHAR_FORMAT_TAR 2
118 #define PHAR_FORMAT_ZIP 3
119
120 #define TAR_FILE '0'
121 #define TAR_LINK '1'
122 #define TAR_SYMLINK '2'
123 #define TAR_DIR '5'
124 #define TAR_NEW '8'
125 #define TAR_GLOBAL_HDR 'g'
126 #define TAR_FILE_HDR 'x'
127
128 #define PHAR_MUNG_PHP_SELF (1<<0)
129 #define PHAR_MUNG_REQUEST_URI (1<<1)
130 #define PHAR_MUNG_SCRIPT_NAME (1<<2)
131 #define PHAR_MUNG_SCRIPT_FILENAME (1<<3)
132
133 typedef struct _phar_entry_fp phar_entry_fp;
134 typedef struct _phar_archive_data phar_archive_data;
135
136 ZEND_BEGIN_MODULE_GLOBALS(phar)
137 /* a list of phar_archive_data objects that reference a cached phar, so
138 that if copy-on-write is performed, we can swap them out for the new value */
139 HashTable phar_persist_map;
140 HashTable phar_fname_map;
141 /* for cached phars, this is a per-process store of fp/ufp */
142 phar_entry_fp *cached_fp;
143 HashTable phar_alias_map;
144 int phar_SERVER_mung_list;
145 int readonly;
146 char* cache_list;
147 int manifest_cached;
148 int persist;
149 int has_zlib;
150 int has_bz2;
151 zend_bool readonly_orig;
152 zend_bool require_hash_orig;
153 zend_bool intercepted;
154 int request_init;
155 int require_hash;
156 int request_done;
157 int request_ends;
158 void (*orig_fopen)(INTERNAL_FUNCTION_PARAMETERS);
159 void (*orig_file_get_contents)(INTERNAL_FUNCTION_PARAMETERS);
160 void (*orig_is_file)(INTERNAL_FUNCTION_PARAMETERS);
161 void (*orig_is_link)(INTERNAL_FUNCTION_PARAMETERS);
162 void (*orig_is_dir)(INTERNAL_FUNCTION_PARAMETERS);
163 void (*orig_opendir)(INTERNAL_FUNCTION_PARAMETERS);
164 void (*orig_file_exists)(INTERNAL_FUNCTION_PARAMETERS);
165 void (*orig_fileperms)(INTERNAL_FUNCTION_PARAMETERS);
166 void (*orig_fileinode)(INTERNAL_FUNCTION_PARAMETERS);
167 void (*orig_filesize)(INTERNAL_FUNCTION_PARAMETERS);
168 void (*orig_fileowner)(INTERNAL_FUNCTION_PARAMETERS);
169 void (*orig_filegroup)(INTERNAL_FUNCTION_PARAMETERS);
170 void (*orig_fileatime)(INTERNAL_FUNCTION_PARAMETERS);
171 void (*orig_filemtime)(INTERNAL_FUNCTION_PARAMETERS);
172 void (*orig_filectime)(INTERNAL_FUNCTION_PARAMETERS);
173 void (*orig_filetype)(INTERNAL_FUNCTION_PARAMETERS);
174 void (*orig_is_writable)(INTERNAL_FUNCTION_PARAMETERS);
175 void (*orig_is_readable)(INTERNAL_FUNCTION_PARAMETERS);
176 void (*orig_is_executable)(INTERNAL_FUNCTION_PARAMETERS);
177 void (*orig_lstat)(INTERNAL_FUNCTION_PARAMETERS);
178 void (*orig_readfile)(INTERNAL_FUNCTION_PARAMETERS);
179 void (*orig_stat)(INTERNAL_FUNCTION_PARAMETERS);
180 /* used for includes with . in them inside front controller */
181 char* cwd;
182 int cwd_len;
183 int cwd_init;
184 char *openssl_privatekey;
185 int openssl_privatekey_len;
186 /* phar_get_archive cache */
187 char* last_phar_name;
188 int last_phar_name_len;
189 char* last_alias;
190 int last_alias_len;
191 phar_archive_data* last_phar;
192 HashTable mime_types;
193 ZEND_END_MODULE_GLOBALS(phar)
194
195 ZEND_EXTERN_MODULE_GLOBALS(phar)
196 #define PHAR_G(v) ZEND_MODULE_GLOBALS_ACCESSOR(phar, v)
197
198 #if defined(ZTS) && defined(COMPILE_DL_PHAR)
199 ZEND_TSRMLS_CACHE_EXTERN()
200 #endif
201
202 #include "pharzip.h"
203
204 typedef union _phar_archive_object phar_archive_object;
205 typedef union _phar_entry_object phar_entry_object;
206
207 /*
208 * used in phar_entry_info->fp_type to
209 */
210 enum phar_fp_type {
211 /* regular file pointer phar_archive_data->fp */
212 PHAR_FP,
213 /* uncompressed file pointer phar_archive_data->uncompressed_fp */
214 PHAR_UFP,
215 /* modified file pointer phar_entry_info->fp */
216 PHAR_MOD,
217 /* temporary manifest entry (file outside of the phar mapped to a location inside the phar)
218 this entry stores the stream to open in link (normally used for tars, but we steal it here) */
219 PHAR_TMP
220 };
221
222 /* entry for one file in a phar file */
223 typedef struct _phar_entry_info {
224 /* first bytes are exactly as in file */
225 uint32_t uncompressed_filesize;
226 uint32_t timestamp;
227 uint32_t compressed_filesize;
228 uint32_t crc32;
229 uint32_t flags;
230 /* remainder */
231 /* when changing compression, save old flags in case fp is NULL */
232 uint32_t old_flags;
233 zval metadata;
234 int metadata_len; /* only used for cached manifests */
235 uint32_t filename_len;
236 char *filename;
237 enum phar_fp_type fp_type;
238 /* offset within original phar file of the file contents */
239 zend_long offset_abs;
240 /* offset within fp of the file contents */
241 zend_long offset;
242 /* offset within original phar file of the file header (for zip-based/tar-based) */
243 zend_long header_offset;
244 php_stream *fp;
245 php_stream *cfp;
246 int fp_refcount;
247 char *tmp;
248 phar_archive_data *phar;
249 smart_str metadata_str;
250 char *link; /* symbolic link to another file */
251 char tar_type;
252 /* position in the manifest */
253 uint manifest_pos;
254 /* for stat */
255 unsigned short inode;
256
257 unsigned int is_crc_checked:1;
258 unsigned int is_modified:1;
259 unsigned int is_deleted:1;
260 unsigned int is_dir:1;
261 /* this flag is used for mounted entries (external files mapped to location
262 inside a phar */
263 unsigned int is_mounted:1;
264 /* used when iterating */
265 unsigned int is_temp_dir:1;
266 /* tar-based phar file stuff */
267 unsigned int is_tar:1;
268 /* zip-based phar file stuff */
269 unsigned int is_zip:1;
270 /* for cached phar entries */
271 unsigned int is_persistent:1;
272 } phar_entry_info;
273
274 /* information about a phar file (the archive itself) */
275 struct _phar_archive_data {
276 char *fname;
277 int fname_len;
278 /* for phar_detect_fname_ext, this stores the location of the file extension within fname */
279 char *ext;
280 int ext_len;
281 char *alias;
282 int alias_len;
283 char version[12];
284 size_t internal_file_start;
285 size_t halt_offset;
286 HashTable manifest;
287 /* hash of virtual directories, as in path/to/file.txt has path/to and path as virtual directories */
288 HashTable virtual_dirs;
289 /* hash of mounted directory paths */
290 HashTable mounted_dirs;
291 uint32_t flags;
292 uint32_t min_timestamp;
293 uint32_t max_timestamp;
294 php_stream *fp;
295 /* decompressed file contents are stored here */
296 php_stream *ufp;
297 int refcount;
298 uint32_t sig_flags;
299 int sig_len;
300 char *signature;
301 zval metadata;
302 int metadata_len; /* only used for cached manifests */
303 uint phar_pos;
304 /* if 1, then this alias was manually specified by the user and is not a permanent alias */
305 unsigned int is_temporary_alias:1;
306 unsigned int is_modified:1;
307 unsigned int is_writeable:1;
308 unsigned int is_brandnew:1;
309 /* defer phar creation */
310 unsigned int donotflush:1;
311 /* zip-based phar variables */
312 unsigned int is_zip:1;
313 /* tar-based phar variables */
314 unsigned int is_tar:1;
315 /* PharData variables */
316 unsigned int is_data:1;
317 /* for cached phar manifests */
318 unsigned int is_persistent:1;
319 };
320
321 typedef struct _phar_entry_fp_info {
322 enum phar_fp_type fp_type;
323 /* offset within fp of the file contents */
324 zend_long offset;
325 } phar_entry_fp_info;
326
327 struct _phar_entry_fp {
328 php_stream *fp;
329 php_stream *ufp;
330 phar_entry_fp_info *manifest;
331 };
332
phar_get_entrypfp(phar_entry_info * entry)333 static inline php_stream *phar_get_entrypfp(phar_entry_info *entry)
334 {
335 if (!entry->is_persistent) {
336 return entry->phar->fp;
337 }
338 return PHAR_G(cached_fp)[entry->phar->phar_pos].fp;
339 }
340
phar_get_entrypufp(phar_entry_info * entry)341 static inline php_stream *phar_get_entrypufp(phar_entry_info *entry)
342 {
343 if (!entry->is_persistent) {
344 return entry->phar->ufp;
345 }
346 return PHAR_G(cached_fp)[entry->phar->phar_pos].ufp;
347 }
348
phar_set_entrypfp(phar_entry_info * entry,php_stream * fp)349 static inline void phar_set_entrypfp(phar_entry_info *entry, php_stream *fp)
350 {
351 if (!entry->phar->is_persistent) {
352 entry->phar->fp = fp;
353 return;
354 }
355
356 PHAR_G(cached_fp)[entry->phar->phar_pos].fp = fp;
357 }
358
phar_set_entrypufp(phar_entry_info * entry,php_stream * fp)359 static inline void phar_set_entrypufp(phar_entry_info *entry, php_stream *fp)
360 {
361 if (!entry->phar->is_persistent) {
362 entry->phar->ufp = fp;
363 return;
364 }
365
366 PHAR_G(cached_fp)[entry->phar->phar_pos].ufp = fp;
367 }
368
phar_get_pharfp(phar_archive_data * phar)369 static inline php_stream *phar_get_pharfp(phar_archive_data *phar)
370 {
371 if (!phar->is_persistent) {
372 return phar->fp;
373 }
374 return PHAR_G(cached_fp)[phar->phar_pos].fp;
375 }
376
phar_get_pharufp(phar_archive_data * phar)377 static inline php_stream *phar_get_pharufp(phar_archive_data *phar)
378 {
379 if (!phar->is_persistent) {
380 return phar->ufp;
381 }
382 return PHAR_G(cached_fp)[phar->phar_pos].ufp;
383 }
384
phar_set_pharfp(phar_archive_data * phar,php_stream * fp)385 static inline void phar_set_pharfp(phar_archive_data *phar, php_stream *fp)
386 {
387 if (!phar->is_persistent) {
388 phar->fp = fp;
389 return;
390 }
391
392 PHAR_G(cached_fp)[phar->phar_pos].fp = fp;
393 }
394
phar_set_pharufp(phar_archive_data * phar,php_stream * fp)395 static inline void phar_set_pharufp(phar_archive_data *phar, php_stream *fp)
396 {
397 if (!phar->is_persistent) {
398 phar->ufp = fp;
399 return;
400 }
401
402 PHAR_G(cached_fp)[phar->phar_pos].ufp = fp;
403 }
404
phar_set_fp_type(phar_entry_info * entry,enum phar_fp_type type,zend_off_t offset)405 static inline void phar_set_fp_type(phar_entry_info *entry, enum phar_fp_type type, zend_off_t offset)
406 {
407 phar_entry_fp_info *data;
408
409 if (!entry->is_persistent) {
410 entry->fp_type = type;
411 entry->offset = offset;
412 return;
413 }
414 data = &(PHAR_G(cached_fp)[entry->phar->phar_pos].manifest[entry->manifest_pos]);
415 data->fp_type = type;
416 data->offset = offset;
417 }
418
phar_get_fp_type(phar_entry_info * entry)419 static inline enum phar_fp_type phar_get_fp_type(phar_entry_info *entry)
420 {
421 if (!entry->is_persistent) {
422 return entry->fp_type;
423 }
424 return PHAR_G(cached_fp)[entry->phar->phar_pos].manifest[entry->manifest_pos].fp_type;
425 }
426
phar_get_fp_offset(phar_entry_info * entry)427 static inline zend_off_t phar_get_fp_offset(phar_entry_info *entry)
428 {
429 if (!entry->is_persistent) {
430 return entry->offset;
431 }
432 if (PHAR_G(cached_fp)[entry->phar->phar_pos].manifest[entry->manifest_pos].fp_type == PHAR_FP) {
433 if (!PHAR_G(cached_fp)[entry->phar->phar_pos].manifest[entry->manifest_pos].offset) {
434 PHAR_G(cached_fp)[entry->phar->phar_pos].manifest[entry->manifest_pos].offset = entry->offset;
435 }
436 }
437 return PHAR_G(cached_fp)[entry->phar->phar_pos].manifest[entry->manifest_pos].offset;
438 }
439
440 #define PHAR_MIME_PHP '\0'
441 #define PHAR_MIME_PHPS '\1'
442 #define PHAR_MIME_OTHER '\2'
443
444 typedef struct _phar_mime_type {
445 char *mime;
446 int len;
447 /* one of PHAR_MIME_* */
448 char type;
449 } phar_mime_type;
450
451 /* stream access data for one file entry in a phar file */
452 typedef struct _phar_entry_data {
453 phar_archive_data *phar;
454 php_stream *fp;
455 /* stream position proxy, allows multiple open streams referring to the same fp */
456 zend_off_t position;
457 /* for copies of the phar fp, defines where 0 is */
458 zend_off_t zero;
459 unsigned int for_write:1;
460 unsigned int is_zip:1;
461 unsigned int is_tar:1;
462 phar_entry_info *internal_file;
463 } phar_entry_data;
464
465 /* archive php object */
466 union _phar_archive_object {
467 spl_filesystem_object spl;
468 phar_archive_data *archive;
469 };
470
471 /* entry php object */
472 union _phar_entry_object {
473 spl_filesystem_object spl;
474 phar_entry_info *entry;
475 };
476
477 #ifndef PHAR_MAIN
478 extern zend_string *(*phar_save_resolve_path)(const char *filename, int filename_len);
479 #endif
480
481 BEGIN_EXTERN_C()
482
483 #ifdef PHP_WIN32
484 char *tsrm_strtok_r(char *s, const char *delim, char **last);
485
phar_unixify_path_separators(char * path,int path_len)486 static inline void phar_unixify_path_separators(char *path, int path_len)
487 {
488 char *s;
489
490 /* unixify win paths */
491 for (s = path; s - path < path_len; ++s) {
492 if (*s == '\\') {
493 *s = '/';
494 }
495 }
496 }
497 #endif
498 /**
499 * validate an alias, returns 1 for success, 0 for failure
500 */
phar_validate_alias(const char * alias,int alias_len)501 static inline int phar_validate_alias(const char *alias, int alias_len) /* {{{ */
502 {
503 return !(memchr(alias, '/', alias_len) || memchr(alias, '\\', alias_len) || memchr(alias, ':', alias_len) ||
504 memchr(alias, ';', alias_len) || memchr(alias, '\n', alias_len) || memchr(alias, '\r', alias_len));
505 }
506 /* }}} */
507
phar_set_inode(phar_entry_info * entry)508 static inline void phar_set_inode(phar_entry_info *entry) /* {{{ */
509 {
510 char tmp[MAXPATHLEN];
511 int tmp_len;
512 size_t len1, len2;
513
514 tmp_len = MIN(MAXPATHLEN, entry->filename_len + entry->phar->fname_len);
515
516 len1 = MIN(entry->phar->fname_len, tmp_len);
517 memcpy(tmp, entry->phar->fname, len1);
518
519 len2 = MIN(tmp_len - len1, entry->filename_len);
520 memcpy(tmp + len1, entry->filename, len2);
521
522 entry->inode = (unsigned short) zend_hash_func(tmp, tmp_len);
523 }
524 /* }}} */
525
526 void phar_request_initialize(void);
527
528 void phar_object_init(void);
529 void phar_destroy_phar_data(phar_archive_data *phar);
530
531 int phar_open_entry_file(phar_archive_data *phar, phar_entry_info *entry, char **error);
532 int phar_postprocess_file(phar_entry_data *idata, uint32_t crc32, char **error, int process_zip);
533 int phar_open_from_filename(char *fname, int fname_len, char *alias, int alias_len, int options, phar_archive_data** pphar, char **error);
534 int phar_open_or_create_filename(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error);
535 int phar_create_or_parse_filename(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error);
536 int phar_open_executed_filename(char *alias, int alias_len, char **error);
537 int phar_free_alias(phar_archive_data *phar, char *alias, int alias_len);
538 int phar_get_archive(phar_archive_data **archive, char *fname, int fname_len, char *alias, int alias_len, char **error);
539 int phar_open_parsed_phar(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error);
540 int phar_verify_signature(php_stream *fp, size_t end_of_phar, uint32_t sig_type, char *sig, int sig_len, char *fname, char **signature, int *signature_len, char **error);
541 int phar_create_signature(phar_archive_data *phar, php_stream *fp, char **signature, int *signature_length, char **error);
542
543 /* utility functions */
544 zend_string *phar_create_default_stub(const char *index_php, const char *web_index, char **error);
545 char *phar_decompress_filter(phar_entry_info * entry, int return_unknown);
546 char *phar_compress_filter(phar_entry_info * entry, int return_unknown);
547
548 void phar_remove_virtual_dirs(phar_archive_data *phar, char *filename, int filename_len);
549 void phar_add_virtual_dirs(phar_archive_data *phar, char *filename, int filename_len);
550 int phar_mount_entry(phar_archive_data *phar, char *filename, int filename_len, char *path, int path_len);
551 zend_string *phar_find_in_include_path(char *file, int file_len, phar_archive_data **pphar);
552 char *phar_fix_filepath(char *path, int *new_len, int use_cwd);
553 phar_entry_info * phar_open_jit(phar_archive_data *phar, phar_entry_info *entry, char **error);
554 int phar_parse_metadata(char **buffer, zval *metadata, uint32_t zip_metadata_len);
555 void destroy_phar_manifest_entry(zval *zv);
556 int phar_seek_efp(phar_entry_info *entry, zend_off_t offset, int whence, zend_off_t position, int follow_links);
557 php_stream *phar_get_efp(phar_entry_info *entry, int follow_links);
558 int phar_copy_entry_fp(phar_entry_info *source, phar_entry_info *dest, char **error);
559 int phar_open_entry_fp(phar_entry_info *entry, char **error, int follow_links);
560 phar_entry_info *phar_get_link_source(phar_entry_info *entry);
561 int phar_create_writeable_entry(phar_archive_data *phar, phar_entry_info *entry, char **error);
562 int phar_separate_entry_fp(phar_entry_info *entry, char **error);
563 int phar_open_archive_fp(phar_archive_data *phar);
564 int phar_copy_on_write(phar_archive_data **pphar);
565
566 /* tar functions in tar.c */
567 int phar_is_tar(char *buf, char *fname);
568 int phar_parse_tarfile(php_stream* fp, char *fname, int fname_len, char *alias, int alias_len, phar_archive_data** pphar, int is_data, uint32_t compression, char **error);
569 int phar_open_or_create_tar(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error);
570 int phar_tar_flush(phar_archive_data *phar, char *user_stub, zend_long len, int defaultstub, char **error);
571
572 /* zip functions in zip.c */
573 int phar_parse_zipfile(php_stream *fp, char *fname, int fname_len, char *alias, int alias_len, phar_archive_data** pphar, char **error);
574 int phar_open_or_create_zip(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error);
575 int phar_zip_flush(phar_archive_data *archive, char *user_stub, zend_long len, int defaultstub, char **error);
576
577 #ifdef PHAR_MAIN
578 static int phar_open_from_fp(php_stream* fp, char *fname, int fname_len, char *alias, int alias_len, int options, phar_archive_data** pphar, int is_data, char **error);
579 extern php_stream_wrapper php_stream_phar_wrapper;
580 #else
581 extern HashTable cached_phars;
582 extern HashTable cached_alias;
583 #endif
584
585 int phar_archive_delref(phar_archive_data *phar);
586 int phar_entry_delref(phar_entry_data *idata);
587
588 phar_entry_info *phar_get_entry_info(phar_archive_data *phar, char *path, int path_len, char **error, int security);
589 phar_entry_info *phar_get_entry_info_dir(phar_archive_data *phar, char *path, int path_len, char dir, char **error, int security);
590 phar_entry_data *phar_get_or_create_entry_data(char *fname, int fname_len, char *path, int path_len, const char *mode, char allow_dir, char **error, int security);
591 int phar_get_entry_data(phar_entry_data **ret, char *fname, int fname_len, char *path, int path_len, const char *mode, char allow_dir, char **error, int security);
592 int phar_flush(phar_archive_data *archive, char *user_stub, zend_long len, int convert, char **error);
593 int phar_detect_phar_fname_ext(const char *filename, int filename_len, const char **ext_str, int *ext_len, int executable, int for_create, int is_complete);
594 int phar_split_fname(const char *filename, int filename_len, char **arch, int *arch_len, char **entry, int *entry_len, int executable, int for_create);
595
596 typedef enum {
597 pcr_use_query,
598 pcr_is_ok,
599 pcr_err_double_slash,
600 pcr_err_up_dir,
601 pcr_err_curr_dir,
602 pcr_err_back_slash,
603 pcr_err_star,
604 pcr_err_illegal_char,
605 pcr_err_empty_entry
606 } phar_path_check_result;
607
608 phar_path_check_result phar_path_check(char **p, int *len, const char **error);
609
610 END_EXTERN_C()
611
612 /*
613 * Local variables:
614 * tab-width: 4
615 * c-basic-offset: 4
616 * End:
617 * vim600: noet sw=4 ts=4 fdm=marker
618 * vim<600: noet sw=4 ts=4
619 */
620