1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2015 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: Rasmus Lerdorf <rasmus@php.net> |
16 | Stig Bakken <ssb@php.net> |
17 | Andi Gutmans <andi@zend.com> |
18 | Zeev Suraski <zeev@zend.com> |
19 | PHP 4.0 patches by Thies C. Arntzen (thies@thieso.net) |
20 | PHP streams by Wez Furlong (wez@thebrainroom.com) |
21 +----------------------------------------------------------------------+
22 */
23
24 /* $Id$ */
25
26 /* Synced with php 3.0 revision 1.218 1999-06-16 [ssb] */
27
28 /* {{{ includes */
29
30 #include "php.h"
31 #include "php_globals.h"
32 #include "ext/standard/flock_compat.h"
33 #include "ext/standard/exec.h"
34 #include "ext/standard/php_filestat.h"
35 #include "php_open_temporary_file.h"
36 #include "ext/standard/basic_functions.h"
37 #include "php_ini.h"
38 #include "php_smart_str.h"
39
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <errno.h>
43 #include <sys/types.h>
44 #include <sys/stat.h>
45 #include <fcntl.h>
46
47 #ifdef PHP_WIN32
48 # include <io.h>
49 # define O_RDONLY _O_RDONLY
50 # include "win32/param.h"
51 # include "win32/winutil.h"
52 # include "win32/fnmatch.h"
53 #else
54 # if HAVE_SYS_PARAM_H
55 # include <sys/param.h>
56 # endif
57 # if HAVE_SYS_SELECT_H
58 # include <sys/select.h>
59 # endif
60 # if defined(NETWARE) && defined(USE_WINSOCK)
61 # include <novsock2.h>
62 # else
63 # include <sys/socket.h>
64 # include <netinet/in.h>
65 # include <netdb.h>
66 # endif
67 # if HAVE_ARPA_INET_H
68 # include <arpa/inet.h>
69 # endif
70 #endif
71
72 #include "ext/standard/head.h"
73 #include "php_string.h"
74 #include "file.h"
75
76 #if HAVE_PWD_H
77 # ifdef PHP_WIN32
78 # include "win32/pwd.h"
79 # else
80 # include <pwd.h>
81 # endif
82 #endif
83
84 #ifdef HAVE_SYS_TIME_H
85 # include <sys/time.h>
86 #endif
87
88 #include "fsock.h"
89 #include "fopen_wrappers.h"
90 #include "streamsfuncs.h"
91 #include "php_globals.h"
92
93 #ifdef HAVE_SYS_FILE_H
94 # include <sys/file.h>
95 #endif
96
97 #if MISSING_FCLOSE_DECL
98 extern int fclose(FILE *);
99 #endif
100
101 #ifdef HAVE_SYS_MMAN_H
102 # include <sys/mman.h>
103 #endif
104
105 #include "scanf.h"
106 #include "zend_API.h"
107
108 #ifdef ZTS
109 int file_globals_id;
110 #else
111 php_file_globals file_globals;
112 #endif
113
114 #if defined(HAVE_FNMATCH) && !defined(PHP_WIN32)
115 # ifndef _GNU_SOURCE
116 # define _GNU_SOURCE
117 # endif
118 # include <fnmatch.h>
119 #endif
120
121 #ifdef HAVE_WCHAR_H
122 # include <wchar.h>
123 #endif
124
125 #ifndef S_ISDIR
126 # define S_ISDIR(mode) (((mode)&S_IFMT) == S_IFDIR)
127 #endif
128 /* }}} */
129
130 #define PHP_STREAM_TO_ZVAL(stream, arg) \
131 php_stream_from_zval_no_verify(stream, arg); \
132 if (stream == NULL) { \
133 RETURN_FALSE; \
134 }
135
136 /* {{{ ZTS-stuff / Globals / Prototypes */
137
138 /* sharing globals is *evil* */
139 static int le_stream_context = FAILURE;
140
php_le_stream_context(TSRMLS_D)141 PHPAPI int php_le_stream_context(TSRMLS_D)
142 {
143 return le_stream_context;
144 }
145 /* }}} */
146
147 /* {{{ Module-Stuff
148 */
ZEND_RSRC_DTOR_FUNC(file_context_dtor)149 static ZEND_RSRC_DTOR_FUNC(file_context_dtor)
150 {
151 php_stream_context *context = (php_stream_context*)rsrc->ptr;
152 if (context->options) {
153 zval_ptr_dtor(&context->options);
154 context->options = NULL;
155 }
156 php_stream_context_free(context);
157 }
158
file_globals_ctor(php_file_globals * file_globals_p TSRMLS_DC)159 static void file_globals_ctor(php_file_globals *file_globals_p TSRMLS_DC)
160 {
161 FG(pclose_ret) = 0;
162 FG(pclose_wait) = 0;
163 FG(user_stream_current_filename) = NULL;
164 FG(def_chunk_size) = PHP_SOCK_CHUNK_SIZE;
165 FG(wrapper_errors) = NULL;
166 }
167
file_globals_dtor(php_file_globals * file_globals_p TSRMLS_DC)168 static void file_globals_dtor(php_file_globals *file_globals_p TSRMLS_DC)
169 {
170 }
171
172 PHP_INI_BEGIN()
173 STD_PHP_INI_ENTRY("user_agent", NULL, PHP_INI_ALL, OnUpdateString, user_agent, php_file_globals, file_globals)
174 STD_PHP_INI_ENTRY("from", NULL, PHP_INI_ALL, OnUpdateString, from_address, php_file_globals, file_globals)
175 STD_PHP_INI_ENTRY("default_socket_timeout", "60", PHP_INI_ALL, OnUpdateLong, default_socket_timeout, php_file_globals, file_globals)
176 STD_PHP_INI_ENTRY("auto_detect_line_endings", "0", PHP_INI_ALL, OnUpdateLong, auto_detect_line_endings, php_file_globals, file_globals)
PHP_INI_END()177 PHP_INI_END()
178
179 PHP_MINIT_FUNCTION(file)
180 {
181 le_stream_context = zend_register_list_destructors_ex(file_context_dtor, NULL, "stream-context", module_number);
182
183 #ifdef ZTS
184 ts_allocate_id(&file_globals_id, sizeof(php_file_globals), (ts_allocate_ctor) file_globals_ctor, (ts_allocate_dtor) file_globals_dtor);
185 #else
186 file_globals_ctor(&file_globals TSRMLS_CC);
187 #endif
188
189 REGISTER_INI_ENTRIES();
190
191 REGISTER_LONG_CONSTANT("SEEK_SET", SEEK_SET, CONST_CS | CONST_PERSISTENT);
192 REGISTER_LONG_CONSTANT("SEEK_CUR", SEEK_CUR, CONST_CS | CONST_PERSISTENT);
193 REGISTER_LONG_CONSTANT("SEEK_END", SEEK_END, CONST_CS | CONST_PERSISTENT);
194 REGISTER_LONG_CONSTANT("LOCK_SH", PHP_LOCK_SH, CONST_CS | CONST_PERSISTENT);
195 REGISTER_LONG_CONSTANT("LOCK_EX", PHP_LOCK_EX, CONST_CS | CONST_PERSISTENT);
196 REGISTER_LONG_CONSTANT("LOCK_UN", PHP_LOCK_UN, CONST_CS | CONST_PERSISTENT);
197 REGISTER_LONG_CONSTANT("LOCK_NB", PHP_LOCK_NB, CONST_CS | CONST_PERSISTENT);
198
199 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_CONNECT", PHP_STREAM_NOTIFY_CONNECT, CONST_CS | CONST_PERSISTENT);
200 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_REQUIRED", PHP_STREAM_NOTIFY_AUTH_REQUIRED, CONST_CS | CONST_PERSISTENT);
201 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_RESULT", PHP_STREAM_NOTIFY_AUTH_RESULT, CONST_CS | CONST_PERSISTENT);
202 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_MIME_TYPE_IS", PHP_STREAM_NOTIFY_MIME_TYPE_IS, CONST_CS | CONST_PERSISTENT);
203 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FILE_SIZE_IS", PHP_STREAM_NOTIFY_FILE_SIZE_IS, CONST_CS | CONST_PERSISTENT);
204 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_REDIRECTED", PHP_STREAM_NOTIFY_REDIRECTED, CONST_CS | CONST_PERSISTENT);
205 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_PROGRESS", PHP_STREAM_NOTIFY_PROGRESS, CONST_CS | CONST_PERSISTENT);
206 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FAILURE", PHP_STREAM_NOTIFY_FAILURE, CONST_CS | CONST_PERSISTENT);
207 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_COMPLETED", PHP_STREAM_NOTIFY_COMPLETED, CONST_CS | CONST_PERSISTENT);
208 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_RESOLVE", PHP_STREAM_NOTIFY_RESOLVE, CONST_CS | CONST_PERSISTENT);
209
210 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_INFO", PHP_STREAM_NOTIFY_SEVERITY_INFO, CONST_CS | CONST_PERSISTENT);
211 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_WARN", PHP_STREAM_NOTIFY_SEVERITY_WARN, CONST_CS | CONST_PERSISTENT);
212 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_ERR", PHP_STREAM_NOTIFY_SEVERITY_ERR, CONST_CS | CONST_PERSISTENT);
213
214 REGISTER_LONG_CONSTANT("STREAM_FILTER_READ", PHP_STREAM_FILTER_READ, CONST_CS | CONST_PERSISTENT);
215 REGISTER_LONG_CONSTANT("STREAM_FILTER_WRITE", PHP_STREAM_FILTER_WRITE, CONST_CS | CONST_PERSISTENT);
216 REGISTER_LONG_CONSTANT("STREAM_FILTER_ALL", PHP_STREAM_FILTER_ALL, CONST_CS | CONST_PERSISTENT);
217
218 REGISTER_LONG_CONSTANT("STREAM_CLIENT_PERSISTENT", PHP_STREAM_CLIENT_PERSISTENT, CONST_CS | CONST_PERSISTENT);
219 REGISTER_LONG_CONSTANT("STREAM_CLIENT_ASYNC_CONNECT", PHP_STREAM_CLIENT_ASYNC_CONNECT, CONST_CS | CONST_PERSISTENT);
220 REGISTER_LONG_CONSTANT("STREAM_CLIENT_CONNECT", PHP_STREAM_CLIENT_CONNECT, CONST_CS | CONST_PERSISTENT);
221
222 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_CLIENT", STREAM_CRYPTO_METHOD_SSLv2_CLIENT, CONST_CS|CONST_PERSISTENT);
223 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_CLIENT", STREAM_CRYPTO_METHOD_SSLv3_CLIENT, CONST_CS|CONST_PERSISTENT);
224 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_CLIENT", STREAM_CRYPTO_METHOD_SSLv23_CLIENT, CONST_CS|CONST_PERSISTENT);
225 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_CLIENT", STREAM_CRYPTO_METHOD_TLS_CLIENT, CONST_CS|CONST_PERSISTENT);
226 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_SERVER", STREAM_CRYPTO_METHOD_SSLv2_SERVER, CONST_CS|CONST_PERSISTENT);
227 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_SERVER", STREAM_CRYPTO_METHOD_SSLv3_SERVER, CONST_CS|CONST_PERSISTENT);
228 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_SERVER", STREAM_CRYPTO_METHOD_SSLv23_SERVER, CONST_CS|CONST_PERSISTENT);
229 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_SERVER", STREAM_CRYPTO_METHOD_TLS_SERVER, CONST_CS|CONST_PERSISTENT);
230
231 REGISTER_LONG_CONSTANT("STREAM_SHUT_RD", STREAM_SHUT_RD, CONST_CS|CONST_PERSISTENT);
232 REGISTER_LONG_CONSTANT("STREAM_SHUT_WR", STREAM_SHUT_WR, CONST_CS|CONST_PERSISTENT);
233 REGISTER_LONG_CONSTANT("STREAM_SHUT_RDWR", STREAM_SHUT_RDWR, CONST_CS|CONST_PERSISTENT);
234
235 #ifdef PF_INET
236 REGISTER_LONG_CONSTANT("STREAM_PF_INET", PF_INET, CONST_CS|CONST_PERSISTENT);
237 #elif defined(AF_INET)
238 REGISTER_LONG_CONSTANT("STREAM_PF_INET", AF_INET, CONST_CS|CONST_PERSISTENT);
239 #endif
240
241 #if HAVE_IPV6
242 # ifdef PF_INET6
243 REGISTER_LONG_CONSTANT("STREAM_PF_INET6", PF_INET6, CONST_CS|CONST_PERSISTENT);
244 # elif defined(AF_INET6)
245 REGISTER_LONG_CONSTANT("STREAM_PF_INET6", AF_INET6, CONST_CS|CONST_PERSISTENT);
246 # endif
247 #endif
248
249 #ifdef PF_UNIX
250 REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", PF_UNIX, CONST_CS|CONST_PERSISTENT);
251 #elif defined(AF_UNIX)
252 REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", AF_UNIX, CONST_CS|CONST_PERSISTENT);
253 #endif
254
255 #ifdef IPPROTO_IP
256 /* most people will use this one when calling socket() or socketpair() */
257 REGISTER_LONG_CONSTANT("STREAM_IPPROTO_IP", IPPROTO_IP, CONST_CS|CONST_PERSISTENT);
258 #endif
259
260 #ifdef IPPROTO_TCP
261 REGISTER_LONG_CONSTANT("STREAM_IPPROTO_TCP", IPPROTO_TCP, CONST_CS|CONST_PERSISTENT);
262 #endif
263
264 #ifdef IPPROTO_UDP
265 REGISTER_LONG_CONSTANT("STREAM_IPPROTO_UDP", IPPROTO_UDP, CONST_CS|CONST_PERSISTENT);
266 #endif
267
268 #ifdef IPPROTO_ICMP
269 REGISTER_LONG_CONSTANT("STREAM_IPPROTO_ICMP", IPPROTO_ICMP, CONST_CS|CONST_PERSISTENT);
270 #endif
271
272 #ifdef IPPROTO_RAW
273 REGISTER_LONG_CONSTANT("STREAM_IPPROTO_RAW", IPPROTO_RAW, CONST_CS|CONST_PERSISTENT);
274 #endif
275
276 REGISTER_LONG_CONSTANT("STREAM_SOCK_STREAM", SOCK_STREAM, CONST_CS|CONST_PERSISTENT);
277 REGISTER_LONG_CONSTANT("STREAM_SOCK_DGRAM", SOCK_DGRAM, CONST_CS|CONST_PERSISTENT);
278
279 #ifdef SOCK_RAW
280 REGISTER_LONG_CONSTANT("STREAM_SOCK_RAW", SOCK_RAW, CONST_CS|CONST_PERSISTENT);
281 #endif
282
283 #ifdef SOCK_SEQPACKET
284 REGISTER_LONG_CONSTANT("STREAM_SOCK_SEQPACKET", SOCK_SEQPACKET, CONST_CS|CONST_PERSISTENT);
285 #endif
286
287 #ifdef SOCK_RDM
288 REGISTER_LONG_CONSTANT("STREAM_SOCK_RDM", SOCK_RDM, CONST_CS|CONST_PERSISTENT);
289 #endif
290
291 REGISTER_LONG_CONSTANT("STREAM_PEEK", STREAM_PEEK, CONST_CS | CONST_PERSISTENT);
292 REGISTER_LONG_CONSTANT("STREAM_OOB", STREAM_OOB, CONST_CS | CONST_PERSISTENT);
293
294 REGISTER_LONG_CONSTANT("STREAM_SERVER_BIND", STREAM_XPORT_BIND, CONST_CS | CONST_PERSISTENT);
295 REGISTER_LONG_CONSTANT("STREAM_SERVER_LISTEN", STREAM_XPORT_LISTEN, CONST_CS | CONST_PERSISTENT);
296
297 REGISTER_LONG_CONSTANT("FILE_USE_INCLUDE_PATH", PHP_FILE_USE_INCLUDE_PATH, CONST_CS | CONST_PERSISTENT);
298 REGISTER_LONG_CONSTANT("FILE_IGNORE_NEW_LINES", PHP_FILE_IGNORE_NEW_LINES, CONST_CS | CONST_PERSISTENT);
299 REGISTER_LONG_CONSTANT("FILE_SKIP_EMPTY_LINES", PHP_FILE_SKIP_EMPTY_LINES, CONST_CS | CONST_PERSISTENT);
300 REGISTER_LONG_CONSTANT("FILE_APPEND", PHP_FILE_APPEND, CONST_CS | CONST_PERSISTENT);
301 REGISTER_LONG_CONSTANT("FILE_NO_DEFAULT_CONTEXT", PHP_FILE_NO_DEFAULT_CONTEXT, CONST_CS | CONST_PERSISTENT);
302
303 REGISTER_LONG_CONSTANT("FILE_TEXT", 0, CONST_CS | CONST_PERSISTENT);
304 REGISTER_LONG_CONSTANT("FILE_BINARY", 0, CONST_CS | CONST_PERSISTENT);
305
306 #ifdef HAVE_FNMATCH
307 REGISTER_LONG_CONSTANT("FNM_NOESCAPE", FNM_NOESCAPE, CONST_CS | CONST_PERSISTENT);
308 REGISTER_LONG_CONSTANT("FNM_PATHNAME", FNM_PATHNAME, CONST_CS | CONST_PERSISTENT);
309 REGISTER_LONG_CONSTANT("FNM_PERIOD", FNM_PERIOD, CONST_CS | CONST_PERSISTENT);
310 # ifdef FNM_CASEFOLD /* a GNU extension */ /* TODO emulate if not available */
311 REGISTER_LONG_CONSTANT("FNM_CASEFOLD", FNM_CASEFOLD, CONST_CS | CONST_PERSISTENT);
312 # endif
313 #endif
314
315 return SUCCESS;
316 }
317 /* }}} */
318
PHP_MSHUTDOWN_FUNCTION(file)319 PHP_MSHUTDOWN_FUNCTION(file) /* {{{ */
320 {
321 #ifndef ZTS
322 file_globals_dtor(&file_globals TSRMLS_CC);
323 #endif
324 return SUCCESS;
325 }
326 /* }}} */
327
328 static int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN };
329
330 /* {{{ proto bool flock(resource fp, int operation [, int &wouldblock])
331 Portable file locking */
PHP_FUNCTION(flock)332 PHP_FUNCTION(flock)
333 {
334 zval *arg1, *arg3 = NULL;
335 int act;
336 php_stream *stream;
337 long operation = 0;
338
339 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|z", &arg1, &operation, &arg3) == FAILURE) {
340 return;
341 }
342
343 PHP_STREAM_TO_ZVAL(stream, &arg1);
344
345 act = operation & 3;
346 if (act < 1 || act > 3) {
347 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Illegal operation argument");
348 RETURN_FALSE;
349 }
350
351 if (arg3 && PZVAL_IS_REF(arg3)) {
352 convert_to_long_ex(&arg3);
353 Z_LVAL_P(arg3) = 0;
354 }
355
356 /* flock_values contains all possible actions if (operation & 4) we won't block on the lock */
357 act = flock_values[act - 1] | (operation & PHP_LOCK_NB ? LOCK_NB : 0);
358 if (php_stream_lock(stream, act)) {
359 if (operation && errno == EWOULDBLOCK && arg3 && PZVAL_IS_REF(arg3)) {
360 Z_LVAL_P(arg3) = 1;
361 }
362 RETURN_FALSE;
363 }
364 RETURN_TRUE;
365 }
366 /* }}} */
367
368 #define PHP_META_UNSAFE ".\\+*?[^]$() "
369
370 /* {{{ proto array get_meta_tags(string filename [, bool use_include_path])
371 Extracts all meta tag content attributes from a file and returns an array */
PHP_FUNCTION(get_meta_tags)372 PHP_FUNCTION(get_meta_tags)
373 {
374 char *filename;
375 int filename_len;
376 zend_bool use_include_path = 0;
377 int in_tag = 0, done = 0;
378 int looking_for_val = 0, have_name = 0, have_content = 0;
379 int saw_name = 0, saw_content = 0;
380 char *name = NULL, *value = NULL, *temp = NULL;
381 php_meta_tags_token tok, tok_last;
382 php_meta_tags_data md;
383
384 /* Initiailize our structure */
385 memset(&md, 0, sizeof(md));
386
387 /* Parse arguments */
388 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|b", &filename, &filename_len, &use_include_path) == FAILURE) {
389 return;
390 }
391
392 md.stream = php_stream_open_wrapper(filename, "rb",
393 (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
394 NULL);
395 if (!md.stream) {
396 RETURN_FALSE;
397 }
398
399 array_init(return_value);
400
401 tok_last = TOK_EOF;
402
403 while (!done && (tok = php_next_meta_token(&md TSRMLS_CC)) != TOK_EOF) {
404 if (tok == TOK_ID) {
405 if (tok_last == TOK_OPENTAG) {
406 md.in_meta = !strcasecmp("meta", md.token_data);
407 } else if (tok_last == TOK_SLASH && in_tag) {
408 if (strcasecmp("head", md.token_data) == 0) {
409 /* We are done here! */
410 done = 1;
411 }
412 } else if (tok_last == TOK_EQUAL && looking_for_val) {
413 if (saw_name) {
414 STR_FREE(name);
415 /* Get the NAME attr (Single word attr, non-quoted) */
416 temp = name = estrndup(md.token_data, md.token_len);
417
418 while (temp && *temp) {
419 if (strchr(PHP_META_UNSAFE, *temp)) {
420 *temp = '_';
421 }
422 temp++;
423 }
424
425 have_name = 1;
426 } else if (saw_content) {
427 STR_FREE(value);
428 value = estrndup(md.token_data, md.token_len);
429 have_content = 1;
430 }
431
432 looking_for_val = 0;
433 } else {
434 if (md.in_meta) {
435 if (strcasecmp("name", md.token_data) == 0) {
436 saw_name = 1;
437 saw_content = 0;
438 looking_for_val = 1;
439 } else if (strcasecmp("content", md.token_data) == 0) {
440 saw_name = 0;
441 saw_content = 1;
442 looking_for_val = 1;
443 }
444 }
445 }
446 } else if (tok == TOK_STRING && tok_last == TOK_EQUAL && looking_for_val) {
447 if (saw_name) {
448 STR_FREE(name);
449 /* Get the NAME attr (Quoted single/double) */
450 temp = name = estrndup(md.token_data, md.token_len);
451
452 while (temp && *temp) {
453 if (strchr(PHP_META_UNSAFE, *temp)) {
454 *temp = '_';
455 }
456 temp++;
457 }
458
459 have_name = 1;
460 } else if (saw_content) {
461 STR_FREE(value);
462 value = estrndup(md.token_data, md.token_len);
463 have_content = 1;
464 }
465
466 looking_for_val = 0;
467 } else if (tok == TOK_OPENTAG) {
468 if (looking_for_val) {
469 looking_for_val = 0;
470 have_name = saw_name = 0;
471 have_content = saw_content = 0;
472 }
473 in_tag = 1;
474 } else if (tok == TOK_CLOSETAG) {
475 if (have_name) {
476 /* For BC */
477 php_strtolower(name, strlen(name));
478 if (have_content) {
479 add_assoc_string(return_value, name, value, 1);
480 } else {
481 add_assoc_string(return_value, name, "", 1);
482 }
483
484 efree(name);
485 STR_FREE(value);
486 } else if (have_content) {
487 efree(value);
488 }
489
490 name = value = NULL;
491
492 /* Reset all of our flags */
493 in_tag = looking_for_val = 0;
494 have_name = saw_name = 0;
495 have_content = saw_content = 0;
496 md.in_meta = 0;
497 }
498
499 tok_last = tok;
500
501 if (md.token_data)
502 efree(md.token_data);
503
504 md.token_data = NULL;
505 }
506
507 STR_FREE(value);
508 STR_FREE(name);
509 php_stream_close(md.stream);
510 }
511 /* }}} */
512
513 /* {{{ proto string file_get_contents(string filename [, bool use_include_path [, resource context [, long offset [, long maxlen]]]])
514 Read the entire file into a string */
PHP_FUNCTION(file_get_contents)515 PHP_FUNCTION(file_get_contents)
516 {
517 char *filename;
518 int filename_len;
519 char *contents;
520 zend_bool use_include_path = 0;
521 php_stream *stream;
522 long len;
523 long offset = -1;
524 long maxlen = PHP_STREAM_COPY_ALL;
525 zval *zcontext = NULL;
526 php_stream_context *context = NULL;
527
528 /* Parse arguments */
529 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|br!ll", &filename, &filename_len, &use_include_path, &zcontext, &offset, &maxlen) == FAILURE) {
530 return;
531 }
532
533 if (ZEND_NUM_ARGS() == 5 && maxlen < 0) {
534 php_error_docref(NULL TSRMLS_CC, E_WARNING, "length must be greater than or equal to zero");
535 RETURN_FALSE;
536 }
537
538 context = php_stream_context_from_zval(zcontext, 0);
539
540 stream = php_stream_open_wrapper_ex(filename, "rb",
541 (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
542 NULL, context);
543 if (!stream) {
544 RETURN_FALSE;
545 }
546
547 if (offset > 0 && php_stream_seek(stream, offset, SEEK_SET) < 0) {
548 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to seek to position %ld in the stream", offset);
549 php_stream_close(stream);
550 RETURN_FALSE;
551 }
552
553 if ((len = php_stream_copy_to_mem(stream, &contents, maxlen, 0)) > 0) {
554 if (len > INT_MAX) {
555 php_error_docref(NULL TSRMLS_CC, E_WARNING, "content truncated from %ld to %d bytes", len, INT_MAX);
556 len = INT_MAX;
557 }
558 RETVAL_STRINGL(contents, len, 0);
559 } else if (len == 0) {
560 RETVAL_EMPTY_STRING();
561 } else {
562 RETVAL_FALSE;
563 }
564
565 php_stream_close(stream);
566 }
567 /* }}} */
568
569 /* {{{ proto int file_put_contents(string file, mixed data [, int flags [, resource context]])
570 Write/Create a file with contents data and return the number of bytes written */
PHP_FUNCTION(file_put_contents)571 PHP_FUNCTION(file_put_contents)
572 {
573 php_stream *stream;
574 char *filename;
575 int filename_len;
576 zval *data;
577 long numbytes = 0;
578 long flags = 0;
579 zval *zcontext = NULL;
580 php_stream_context *context = NULL;
581 php_stream *srcstream = NULL;
582 char mode[3] = "wb";
583
584 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pz/|lr!", &filename, &filename_len, &data, &flags, &zcontext) == FAILURE) {
585 return;
586 }
587
588 if (Z_TYPE_P(data) == IS_RESOURCE) {
589 php_stream_from_zval(srcstream, &data);
590 }
591
592 context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
593
594 if (flags & PHP_FILE_APPEND) {
595 mode[0] = 'a';
596 } else if (flags & LOCK_EX) {
597 /* check to make sure we are dealing with a regular file */
598 if (php_memnstr(filename, "://", sizeof("://") - 1, filename + filename_len)) {
599 if (strncasecmp(filename, "file://", sizeof("file://") - 1)) {
600 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks may only be set for regular files");
601 RETURN_FALSE;
602 }
603 }
604 mode[0] = 'c';
605 }
606 mode[2] = '\0';
607
608 stream = php_stream_open_wrapper_ex(filename, mode, ((flags & PHP_FILE_USE_INCLUDE_PATH) ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
609 if (stream == NULL) {
610 RETURN_FALSE;
611 }
612
613 if (flags & LOCK_EX && (!php_stream_supports_lock(stream) || php_stream_lock(stream, LOCK_EX))) {
614 php_stream_close(stream);
615 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks are not supported for this stream");
616 RETURN_FALSE;
617 }
618
619 if (mode[0] == 'c') {
620 php_stream_truncate_set_size(stream, 0);
621 }
622
623 switch (Z_TYPE_P(data)) {
624 case IS_RESOURCE: {
625 size_t len;
626 if (php_stream_copy_to_stream_ex(srcstream, stream, PHP_STREAM_COPY_ALL, &len) != SUCCESS) {
627 numbytes = -1;
628 } else {
629 if (len > LONG_MAX) {
630 php_error_docref(NULL TSRMLS_CC, E_WARNING, "content truncated from %lu to %ld bytes", (unsigned long) len, LONG_MAX);
631 len = LONG_MAX;
632 }
633 numbytes = len;
634 }
635 break;
636 }
637 case IS_NULL:
638 case IS_LONG:
639 case IS_DOUBLE:
640 case IS_BOOL:
641 case IS_CONSTANT:
642 convert_to_string_ex(&data);
643
644 case IS_STRING:
645 if (Z_STRLEN_P(data)) {
646 numbytes = php_stream_write(stream, Z_STRVAL_P(data), Z_STRLEN_P(data));
647 if (numbytes != Z_STRLEN_P(data)) {
648 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %ld of %d bytes written, possibly out of free disk space", numbytes, Z_STRLEN_P(data));
649 numbytes = -1;
650 }
651 }
652 break;
653
654 case IS_ARRAY:
655 if (zend_hash_num_elements(Z_ARRVAL_P(data))) {
656 int bytes_written;
657 zval **tmp;
658 HashPosition pos;
659
660 zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(data), &pos);
661 while (zend_hash_get_current_data_ex(Z_ARRVAL_P(data), (void **) &tmp, &pos) == SUCCESS) {
662 if (Z_TYPE_PP(tmp) != IS_STRING) {
663 SEPARATE_ZVAL(tmp);
664 convert_to_string(*tmp);
665 }
666 if (Z_STRLEN_PP(tmp)) {
667 numbytes += Z_STRLEN_PP(tmp);
668 bytes_written = php_stream_write(stream, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
669 if (bytes_written < 0 || bytes_written != Z_STRLEN_PP(tmp)) {
670 if (bytes_written < 0) {
671 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write %d bytes to %s", Z_STRLEN_PP(tmp), filename);
672 } else {
673 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %d of %d bytes written, possibly out of free disk space", bytes_written, Z_STRLEN_PP(tmp));
674 }
675 numbytes = -1;
676 break;
677 }
678 }
679 zend_hash_move_forward_ex(Z_ARRVAL_P(data), &pos);
680 }
681 }
682 break;
683
684 case IS_OBJECT:
685 if (Z_OBJ_HT_P(data) != NULL) {
686 zval out;
687
688 if (zend_std_cast_object_tostring(data, &out, IS_STRING TSRMLS_CC) == SUCCESS) {
689 numbytes = php_stream_write(stream, Z_STRVAL(out), Z_STRLEN(out));
690 if (numbytes != Z_STRLEN(out)) {
691 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %ld of %d bytes written, possibly out of free disk space", numbytes, Z_STRLEN(out));
692 numbytes = -1;
693 }
694 zval_dtor(&out);
695 break;
696 }
697 }
698 default:
699 numbytes = -1;
700 break;
701 }
702 php_stream_close(stream);
703
704 if (numbytes < 0) {
705 RETURN_FALSE;
706 }
707
708 RETURN_LONG(numbytes);
709 }
710 /* }}} */
711
712 #define PHP_FILE_BUF_SIZE 80
713
714 /* {{{ proto array file(string filename [, int flags[, resource context]])
715 Read entire file into an array */
PHP_FUNCTION(file)716 PHP_FUNCTION(file)
717 {
718 char *filename;
719 int filename_len;
720 char *target_buf=NULL, *p, *s, *e;
721 register int i = 0;
722 int target_len;
723 char eol_marker = '\n';
724 long flags = 0;
725 zend_bool use_include_path;
726 zend_bool include_new_line;
727 zend_bool skip_blank_lines;
728 php_stream *stream;
729 zval *zcontext = NULL;
730 php_stream_context *context = NULL;
731
732 /* Parse arguments */
733 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|lr!", &filename, &filename_len, &flags, &zcontext) == FAILURE) {
734 return;
735 }
736 if (flags < 0 || flags > (PHP_FILE_USE_INCLUDE_PATH | PHP_FILE_IGNORE_NEW_LINES | PHP_FILE_SKIP_EMPTY_LINES | PHP_FILE_NO_DEFAULT_CONTEXT)) {
737 php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%ld' flag is not supported", flags);
738 RETURN_FALSE;
739 }
740
741 use_include_path = flags & PHP_FILE_USE_INCLUDE_PATH;
742 include_new_line = !(flags & PHP_FILE_IGNORE_NEW_LINES);
743 skip_blank_lines = flags & PHP_FILE_SKIP_EMPTY_LINES;
744
745 context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
746
747 stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
748 if (!stream) {
749 RETURN_FALSE;
750 }
751
752 /* Initialize return array */
753 array_init(return_value);
754
755 if ((target_len = php_stream_copy_to_mem(stream, &target_buf, PHP_STREAM_COPY_ALL, 0))) {
756 s = target_buf;
757 e = target_buf + target_len;
758
759 if (!(p = php_stream_locate_eol(stream, target_buf, target_len TSRMLS_CC))) {
760 p = e;
761 goto parse_eol;
762 }
763
764 if (stream->flags & PHP_STREAM_FLAG_EOL_MAC) {
765 eol_marker = '\r';
766 }
767
768 /* for performance reasons the code is duplicated, so that the if (include_new_line)
769 * will not need to be done for every single line in the file. */
770 if (include_new_line) {
771 do {
772 p++;
773 parse_eol:
774 add_index_stringl(return_value, i++, estrndup(s, p-s), p-s, 0);
775 s = p;
776 } while ((p = memchr(p, eol_marker, (e-p))));
777 } else {
778 do {
779 int windows_eol = 0;
780 if (p != target_buf && eol_marker == '\n' && *(p - 1) == '\r') {
781 windows_eol++;
782 }
783 if (skip_blank_lines && !(p-s-windows_eol)) {
784 s = ++p;
785 continue;
786 }
787 add_index_stringl(return_value, i++, estrndup(s, p-s-windows_eol), p-s-windows_eol, 0);
788 s = ++p;
789 } while ((p = memchr(p, eol_marker, (e-p))));
790 }
791
792 /* handle any left overs of files without new lines */
793 if (s != e) {
794 p = e;
795 goto parse_eol;
796 }
797 }
798
799 if (target_buf) {
800 efree(target_buf);
801 }
802 php_stream_close(stream);
803 }
804 /* }}} */
805
806 /* {{{ proto string tempnam(string dir, string prefix)
807 Create a unique filename in a directory */
PHP_FUNCTION(tempnam)808 PHP_FUNCTION(tempnam)
809 {
810 char *dir, *prefix;
811 int dir_len, prefix_len;
812 size_t p_len;
813 char *opened_path;
814 char *p;
815 int fd;
816
817 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp", &dir, &dir_len, &prefix, &prefix_len) == FAILURE) {
818 return;
819 }
820
821 if (php_check_open_basedir(dir TSRMLS_CC)) {
822 RETURN_FALSE;
823 }
824
825 php_basename(prefix, prefix_len, NULL, 0, &p, &p_len TSRMLS_CC);
826 if (p_len > 64) {
827 p[63] = '\0';
828 }
829
830 RETVAL_FALSE;
831
832 if ((fd = php_open_temporary_fd_ex(dir, p, &opened_path, 1 TSRMLS_CC)) >= 0) {
833 close(fd);
834 RETVAL_STRING(opened_path, 0);
835 }
836 efree(p);
837 }
838 /* }}} */
839
840 /* {{{ proto resource tmpfile(void)
841 Create a temporary file that will be deleted automatically after use */
PHP_NAMED_FUNCTION(php_if_tmpfile)842 PHP_NAMED_FUNCTION(php_if_tmpfile)
843 {
844 php_stream *stream;
845
846 if (zend_parse_parameters_none() == FAILURE) {
847 return;
848 }
849
850 stream = php_stream_fopen_tmpfile();
851
852 if (stream) {
853 php_stream_to_zval(stream, return_value);
854 } else {
855 RETURN_FALSE;
856 }
857 }
858 /* }}} */
859
860 /* {{{ proto resource fopen(string filename, string mode [, bool use_include_path [, resource context]])
861 Open a file or a URL and return a file pointer */
PHP_NAMED_FUNCTION(php_if_fopen)862 PHP_NAMED_FUNCTION(php_if_fopen)
863 {
864 char *filename, *mode;
865 int filename_len, mode_len;
866 zend_bool use_include_path = 0;
867 zval *zcontext = NULL;
868 php_stream *stream;
869 php_stream_context *context = NULL;
870
871 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps|br", &filename, &filename_len, &mode, &mode_len, &use_include_path, &zcontext) == FAILURE) {
872 RETURN_FALSE;
873 }
874
875 context = php_stream_context_from_zval(zcontext, 0);
876
877 stream = php_stream_open_wrapper_ex(filename, mode, (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
878
879 if (stream == NULL) {
880 RETURN_FALSE;
881 }
882
883 php_stream_to_zval(stream, return_value);
884 }
885 /* }}} */
886
887 /* {{{ proto bool fclose(resource fp)
888 Close an open file pointer */
PHP_FUNCTION(fclose)889 PHPAPI PHP_FUNCTION(fclose)
890 {
891 zval *arg1;
892 php_stream *stream;
893
894 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
895 RETURN_FALSE;
896 }
897
898 PHP_STREAM_TO_ZVAL(stream, &arg1);
899
900 if ((stream->flags & PHP_STREAM_FLAG_NO_FCLOSE) != 0) {
901 php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d is not a valid stream resource", stream->rsrc_id);
902 RETURN_FALSE;
903 }
904
905 if (!stream->is_persistent) {
906 php_stream_close(stream);
907 } else {
908 php_stream_pclose(stream);
909 }
910
911 RETURN_TRUE;
912 }
913 /* }}} */
914
915 /* {{{ proto resource popen(string command, string mode)
916 Execute a command and open either a read or a write pipe to it */
PHP_FUNCTION(popen)917 PHP_FUNCTION(popen)
918 {
919 char *command, *mode;
920 int command_len, mode_len;
921 FILE *fp;
922 php_stream *stream;
923 char *posix_mode;
924
925 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps", &command, &command_len, &mode, &mode_len) == FAILURE) {
926 return;
927 }
928
929 posix_mode = estrndup(mode, mode_len);
930 #ifndef PHP_WIN32
931 {
932 char *z = memchr(posix_mode, 'b', mode_len);
933 if (z) {
934 memmove(z, z + 1, mode_len - (z - posix_mode));
935 }
936 }
937 #endif
938
939 fp = VCWD_POPEN(command, posix_mode);
940 if (!fp) {
941 php_error_docref2(NULL TSRMLS_CC, command, posix_mode, E_WARNING, "%s", strerror(errno));
942 efree(posix_mode);
943 RETURN_FALSE;
944 }
945
946 stream = php_stream_fopen_from_pipe(fp, mode);
947
948 if (stream == NULL) {
949 php_error_docref2(NULL TSRMLS_CC, command, mode, E_WARNING, "%s", strerror(errno));
950 RETVAL_FALSE;
951 } else {
952 php_stream_to_zval(stream, return_value);
953 }
954
955 efree(posix_mode);
956 }
957 /* }}} */
958
959 /* {{{ proto int pclose(resource fp)
960 Close a file pointer opened by popen() */
PHP_FUNCTION(pclose)961 PHP_FUNCTION(pclose)
962 {
963 zval *arg1;
964 php_stream *stream;
965
966 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
967 RETURN_FALSE;
968 }
969
970 PHP_STREAM_TO_ZVAL(stream, &arg1);
971
972 FG(pclose_wait) = 1;
973 zend_list_delete(stream->rsrc_id);
974 FG(pclose_wait) = 0;
975 RETURN_LONG(FG(pclose_ret));
976 }
977 /* }}} */
978
979 /* {{{ proto bool feof(resource fp)
980 Test for end-of-file on a file pointer */
PHP_FUNCTION(feof)981 PHPAPI PHP_FUNCTION(feof)
982 {
983 zval *arg1;
984 php_stream *stream;
985
986 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
987 RETURN_FALSE;
988 }
989
990 PHP_STREAM_TO_ZVAL(stream, &arg1);
991
992 if (php_stream_eof(stream)) {
993 RETURN_TRUE;
994 } else {
995 RETURN_FALSE;
996 }
997 }
998 /* }}} */
999
1000 /* {{{ proto string fgets(resource fp[, int length])
1001 Get a line from file pointer */
PHP_FUNCTION(fgets)1002 PHPAPI PHP_FUNCTION(fgets)
1003 {
1004 zval *arg1;
1005 long len = 1024;
1006 char *buf = NULL;
1007 int argc = ZEND_NUM_ARGS();
1008 size_t line_len = 0;
1009 php_stream *stream;
1010
1011 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &arg1, &len) == FAILURE) {
1012 RETURN_FALSE;
1013 }
1014
1015 PHP_STREAM_TO_ZVAL(stream, &arg1);
1016
1017 if (argc == 1) {
1018 /* ask streams to give us a buffer of an appropriate size */
1019 buf = php_stream_get_line(stream, NULL, 0, &line_len);
1020 if (buf == NULL) {
1021 goto exit_failed;
1022 }
1023 } else if (argc > 1) {
1024 if (len <= 0) {
1025 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1026 RETURN_FALSE;
1027 }
1028
1029 buf = ecalloc(len + 1, sizeof(char));
1030 if (php_stream_get_line(stream, buf, len, &line_len) == NULL) {
1031 goto exit_failed;
1032 }
1033 }
1034
1035 ZVAL_STRINGL(return_value, buf, line_len, 0);
1036 /* resize buffer if it's much larger than the result.
1037 * Only needed if the user requested a buffer size. */
1038 if (argc > 1 && Z_STRLEN_P(return_value) < len / 2) {
1039 Z_STRVAL_P(return_value) = erealloc(buf, line_len + 1);
1040 }
1041 return;
1042
1043 exit_failed:
1044 RETVAL_FALSE;
1045 if (buf) {
1046 efree(buf);
1047 }
1048 }
1049 /* }}} */
1050
1051 /* {{{ proto string fgetc(resource fp)
1052 Get a character from file pointer */
PHP_FUNCTION(fgetc)1053 PHPAPI PHP_FUNCTION(fgetc)
1054 {
1055 zval *arg1;
1056 char buf[2];
1057 int result;
1058 php_stream *stream;
1059
1060 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1061 RETURN_FALSE;
1062 }
1063
1064 PHP_STREAM_TO_ZVAL(stream, &arg1);
1065
1066 result = php_stream_getc(stream);
1067
1068 if (result == EOF) {
1069 RETVAL_FALSE;
1070 } else {
1071 buf[0] = result;
1072 buf[1] = '\0';
1073
1074 RETURN_STRINGL(buf, 1, 1);
1075 }
1076 }
1077 /* }}} */
1078
1079 /* {{{ proto string fgetss(resource fp [, int length [, string allowable_tags]])
1080 Get a line from file pointer and strip HTML tags */
PHP_FUNCTION(fgetss)1081 PHPAPI PHP_FUNCTION(fgetss)
1082 {
1083 zval *fd;
1084 long bytes = 0;
1085 size_t len = 0;
1086 size_t actual_len, retval_len;
1087 char *buf = NULL, *retval;
1088 php_stream *stream;
1089 char *allowed_tags=NULL;
1090 int allowed_tags_len=0;
1091
1092 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|ls", &fd, &bytes, &allowed_tags, &allowed_tags_len) == FAILURE) {
1093 RETURN_FALSE;
1094 }
1095
1096 PHP_STREAM_TO_ZVAL(stream, &fd);
1097
1098 if (ZEND_NUM_ARGS() >= 2) {
1099 if (bytes <= 0) {
1100 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1101 RETURN_FALSE;
1102 }
1103
1104 len = (size_t) bytes;
1105 buf = safe_emalloc(sizeof(char), (len + 1), 0);
1106 /*needed because recv doesnt set null char at end*/
1107 memset(buf, 0, len + 1);
1108 }
1109
1110 if ((retval = php_stream_get_line(stream, buf, len, &actual_len)) == NULL) {
1111 if (buf != NULL) {
1112 efree(buf);
1113 }
1114 RETURN_FALSE;
1115 }
1116
1117 retval_len = php_strip_tags(retval, actual_len, &stream->fgetss_state, allowed_tags, allowed_tags_len);
1118
1119 RETURN_STRINGL(retval, retval_len, 0);
1120 }
1121 /* }}} */
1122
1123 /* {{{ proto mixed fscanf(resource stream, string format [, string ...])
1124 Implements a mostly ANSI compatible fscanf() */
PHP_FUNCTION(fscanf)1125 PHP_FUNCTION(fscanf)
1126 {
1127 int result, format_len, type, argc = 0;
1128 zval ***args = NULL;
1129 zval *file_handle;
1130 char *buf, *format;
1131 size_t len;
1132 void *what;
1133
1134 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs*", &file_handle, &format, &format_len, &args, &argc) == FAILURE) {
1135 return;
1136 }
1137
1138 what = zend_fetch_resource(&file_handle TSRMLS_CC, -1, "File-Handle", &type, 2, php_file_le_stream(), php_file_le_pstream());
1139
1140 /* we can't do a ZEND_VERIFY_RESOURCE(what), otherwise we end up
1141 * with a leak if we have an invalid filehandle. This needs changing
1142 * if the code behind ZEND_VERIFY_RESOURCE changed. - cc */
1143 if (!what) {
1144 if (args) {
1145 efree(args);
1146 }
1147 RETURN_FALSE;
1148 }
1149
1150 buf = php_stream_get_line((php_stream *) what, NULL, 0, &len);
1151 if (buf == NULL) {
1152 if (args) {
1153 efree(args);
1154 }
1155 RETURN_FALSE;
1156 }
1157
1158 result = php_sscanf_internal(buf, format, argc, args, 0, &return_value TSRMLS_CC);
1159
1160 if (args) {
1161 efree(args);
1162 }
1163 efree(buf);
1164
1165 if (SCAN_ERROR_WRONG_PARAM_COUNT == result) {
1166 WRONG_PARAM_COUNT;
1167 }
1168 }
1169 /* }}} */
1170
1171 /* {{{ proto int fwrite(resource fp, string str [, int length])
1172 Binary-safe file write */
PHP_FUNCTION(fwrite)1173 PHPAPI PHP_FUNCTION(fwrite)
1174 {
1175 zval *arg1;
1176 char *arg2;
1177 int arg2len;
1178 int ret;
1179 int num_bytes;
1180 long arg3 = 0;
1181 char *buffer = NULL;
1182 php_stream *stream;
1183
1184 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &arg1, &arg2, &arg2len, &arg3) == FAILURE) {
1185 RETURN_FALSE;
1186 }
1187
1188 if (ZEND_NUM_ARGS() == 2) {
1189 num_bytes = arg2len;
1190 } else {
1191 num_bytes = MAX(0, MIN((int)arg3, arg2len));
1192 }
1193
1194 if (!num_bytes) {
1195 RETURN_LONG(0);
1196 }
1197
1198 PHP_STREAM_TO_ZVAL(stream, &arg1);
1199
1200 ret = php_stream_write(stream, buffer ? buffer : arg2, num_bytes);
1201 if (buffer) {
1202 efree(buffer);
1203 }
1204
1205 RETURN_LONG(ret);
1206 }
1207 /* }}} */
1208
1209 /* {{{ proto bool fflush(resource fp)
1210 Flushes output */
PHP_FUNCTION(fflush)1211 PHPAPI PHP_FUNCTION(fflush)
1212 {
1213 zval *arg1;
1214 int ret;
1215 php_stream *stream;
1216
1217 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1218 RETURN_FALSE;
1219 }
1220
1221 PHP_STREAM_TO_ZVAL(stream, &arg1);
1222
1223 ret = php_stream_flush(stream);
1224 if (ret) {
1225 RETURN_FALSE;
1226 }
1227 RETURN_TRUE;
1228 }
1229 /* }}} */
1230
1231 /* {{{ proto bool rewind(resource fp)
1232 Rewind the position of a file pointer */
PHP_FUNCTION(rewind)1233 PHPAPI PHP_FUNCTION(rewind)
1234 {
1235 zval *arg1;
1236 php_stream *stream;
1237
1238 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1239 RETURN_FALSE;
1240 }
1241
1242 PHP_STREAM_TO_ZVAL(stream, &arg1);
1243
1244 if (-1 == php_stream_rewind(stream)) {
1245 RETURN_FALSE;
1246 }
1247 RETURN_TRUE;
1248 }
1249 /* }}} */
1250
1251 /* {{{ proto int ftell(resource fp)
1252 Get file pointer's read/write position */
PHP_FUNCTION(ftell)1253 PHPAPI PHP_FUNCTION(ftell)
1254 {
1255 zval *arg1;
1256 long ret;
1257 php_stream *stream;
1258
1259 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1260 RETURN_FALSE;
1261 }
1262
1263 PHP_STREAM_TO_ZVAL(stream, &arg1);
1264
1265 ret = php_stream_tell(stream);
1266 if (ret == -1) {
1267 RETURN_FALSE;
1268 }
1269 RETURN_LONG(ret);
1270 }
1271 /* }}} */
1272
1273 /* {{{ proto int fseek(resource fp, int offset [, int whence])
1274 Seek on a file pointer */
PHP_FUNCTION(fseek)1275 PHPAPI PHP_FUNCTION(fseek)
1276 {
1277 zval *arg1;
1278 long arg2, whence = SEEK_SET;
1279 php_stream *stream;
1280
1281 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|l", &arg1, &arg2, &whence) == FAILURE) {
1282 RETURN_FALSE;
1283 }
1284
1285 PHP_STREAM_TO_ZVAL(stream, &arg1);
1286
1287 RETURN_LONG(php_stream_seek(stream, arg2, whence));
1288 }
1289 /* }}} */
1290
1291 /* {{{ php_mkdir
1292 */
1293
1294 /* DEPRECATED APIs: Use php_stream_mkdir() instead */
php_mkdir_ex(char * dir,long mode,int options TSRMLS_DC)1295 PHPAPI int php_mkdir_ex(char *dir, long mode, int options TSRMLS_DC)
1296 {
1297 int ret;
1298
1299 if (php_check_open_basedir(dir TSRMLS_CC)) {
1300 return -1;
1301 }
1302
1303 if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0 && (options & REPORT_ERRORS)) {
1304 php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
1305 }
1306
1307 return ret;
1308 }
1309
php_mkdir(char * dir,long mode TSRMLS_DC)1310 PHPAPI int php_mkdir(char *dir, long mode TSRMLS_DC)
1311 {
1312 return php_mkdir_ex(dir, mode, REPORT_ERRORS TSRMLS_CC);
1313 }
1314 /* }}} */
1315
1316 /* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive [, resource context]]])
1317 Create a directory */
PHP_FUNCTION(mkdir)1318 PHP_FUNCTION(mkdir)
1319 {
1320 char *dir;
1321 int dir_len;
1322 zval *zcontext = NULL;
1323 long mode = 0777;
1324 zend_bool recursive = 0;
1325 php_stream_context *context;
1326
1327 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|lbr", &dir, &dir_len, &mode, &recursive, &zcontext) == FAILURE) {
1328 RETURN_FALSE;
1329 }
1330
1331 context = php_stream_context_from_zval(zcontext, 0);
1332
1333 RETURN_BOOL(php_stream_mkdir(dir, mode, (recursive ? PHP_STREAM_MKDIR_RECURSIVE : 0) | REPORT_ERRORS, context));
1334 }
1335 /* }}} */
1336
1337 /* {{{ proto bool rmdir(string dirname[, resource context])
1338 Remove a directory */
PHP_FUNCTION(rmdir)1339 PHP_FUNCTION(rmdir)
1340 {
1341 char *dir;
1342 int dir_len;
1343 zval *zcontext = NULL;
1344 php_stream_context *context;
1345
1346 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|r", &dir, &dir_len, &zcontext) == FAILURE) {
1347 RETURN_FALSE;
1348 }
1349
1350 context = php_stream_context_from_zval(zcontext, 0);
1351
1352 RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context));
1353 }
1354 /* }}} */
1355
1356 /* {{{ proto int readfile(string filename [, bool use_include_path[, resource context]])
1357 Output a file or a URL */
PHP_FUNCTION(readfile)1358 PHP_FUNCTION(readfile)
1359 {
1360 char *filename;
1361 int filename_len;
1362 int size = 0;
1363 zend_bool use_include_path = 0;
1364 zval *zcontext = NULL;
1365 php_stream *stream;
1366 php_stream_context *context = NULL;
1367
1368 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|br!", &filename, &filename_len, &use_include_path, &zcontext) == FAILURE) {
1369 RETURN_FALSE;
1370 }
1371
1372 context = php_stream_context_from_zval(zcontext, 0);
1373
1374 stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
1375 if (stream) {
1376 size = php_stream_passthru(stream);
1377 php_stream_close(stream);
1378 RETURN_LONG(size);
1379 }
1380
1381 RETURN_FALSE;
1382 }
1383 /* }}} */
1384
1385 /* {{{ proto int umask([int mask])
1386 Return or change the umask */
PHP_FUNCTION(umask)1387 PHP_FUNCTION(umask)
1388 {
1389 long arg1 = 0;
1390 int oldumask;
1391
1392 oldumask = umask(077);
1393
1394 if (BG(umask) == -1) {
1395 BG(umask) = oldumask;
1396 }
1397
1398 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &arg1) == FAILURE) {
1399 RETURN_FALSE;
1400 }
1401
1402 if (ZEND_NUM_ARGS() == 0) {
1403 umask(oldumask);
1404 } else {
1405 umask(arg1);
1406 }
1407
1408 RETURN_LONG(oldumask);
1409 }
1410 /* }}} */
1411
1412 /* {{{ proto int fpassthru(resource fp)
1413 Output all remaining data from a file pointer */
PHP_FUNCTION(fpassthru)1414 PHPAPI PHP_FUNCTION(fpassthru)
1415 {
1416 zval *arg1;
1417 int size;
1418 php_stream *stream;
1419
1420 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1421 RETURN_FALSE;
1422 }
1423
1424 PHP_STREAM_TO_ZVAL(stream, &arg1);
1425
1426 size = php_stream_passthru(stream);
1427 RETURN_LONG(size);
1428 }
1429 /* }}} */
1430
1431 /* {{{ proto bool rename(string old_name, string new_name[, resource context])
1432 Rename a file */
PHP_FUNCTION(rename)1433 PHP_FUNCTION(rename)
1434 {
1435 char *old_name, *new_name;
1436 int old_name_len, new_name_len;
1437 zval *zcontext = NULL;
1438 php_stream_wrapper *wrapper;
1439 php_stream_context *context;
1440
1441 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &old_name, &old_name_len, &new_name, &new_name_len, &zcontext) == FAILURE) {
1442 RETURN_FALSE;
1443 }
1444
1445 wrapper = php_stream_locate_url_wrapper(old_name, NULL, 0 TSRMLS_CC);
1446
1447 if (!wrapper || !wrapper->wops) {
1448 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
1449 RETURN_FALSE;
1450 }
1451
1452 if (!wrapper->wops->rename) {
1453 php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s wrapper does not support renaming", wrapper->wops->label ? wrapper->wops->label : "Source");
1454 RETURN_FALSE;
1455 }
1456
1457 if (wrapper != php_stream_locate_url_wrapper(new_name, NULL, 0 TSRMLS_CC)) {
1458 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot rename a file across wrapper types");
1459 RETURN_FALSE;
1460 }
1461
1462 context = php_stream_context_from_zval(zcontext, 0);
1463
1464 RETURN_BOOL(wrapper->wops->rename(wrapper, old_name, new_name, 0, context TSRMLS_CC));
1465 }
1466 /* }}} */
1467
1468 /* {{{ proto bool unlink(string filename[, context context])
1469 Delete a file */
PHP_FUNCTION(unlink)1470 PHP_FUNCTION(unlink)
1471 {
1472 char *filename;
1473 int filename_len;
1474 php_stream_wrapper *wrapper;
1475 zval *zcontext = NULL;
1476 php_stream_context *context = NULL;
1477
1478 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|r", &filename, &filename_len, &zcontext) == FAILURE) {
1479 RETURN_FALSE;
1480 }
1481
1482 context = php_stream_context_from_zval(zcontext, 0);
1483
1484 wrapper = php_stream_locate_url_wrapper(filename, NULL, 0 TSRMLS_CC);
1485
1486 if (!wrapper || !wrapper->wops) {
1487 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
1488 RETURN_FALSE;
1489 }
1490
1491 if (!wrapper->wops->unlink) {
1492 php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper");
1493 RETURN_FALSE;
1494 }
1495 RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, REPORT_ERRORS, context TSRMLS_CC));
1496 }
1497 /* }}} */
1498
1499 /* {{{ proto bool ftruncate(resource fp, int size)
1500 Truncate file to 'size' length */
PHP_NAMED_FUNCTION(php_if_ftruncate)1501 PHP_NAMED_FUNCTION(php_if_ftruncate)
1502 {
1503 zval *fp;
1504 long size;
1505 php_stream *stream;
1506
1507 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &fp, &size) == FAILURE) {
1508 RETURN_FALSE;
1509 }
1510
1511 PHP_STREAM_TO_ZVAL(stream, &fp);
1512
1513 if (!php_stream_truncate_supported(stream)) {
1514 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't truncate this stream!");
1515 RETURN_FALSE;
1516 }
1517
1518 RETURN_BOOL(0 == php_stream_truncate_set_size(stream, size));
1519 }
1520 /* }}} */
1521
1522 /* {{{ proto array fstat(resource fp)
1523 Stat() on a filehandle */
PHP_NAMED_FUNCTION(php_if_fstat)1524 PHP_NAMED_FUNCTION(php_if_fstat)
1525 {
1526 zval *fp;
1527 zval *stat_dev, *stat_ino, *stat_mode, *stat_nlink, *stat_uid, *stat_gid, *stat_rdev,
1528 *stat_size, *stat_atime, *stat_mtime, *stat_ctime, *stat_blksize, *stat_blocks;
1529 php_stream *stream;
1530 php_stream_statbuf stat_ssb;
1531 char *stat_sb_names[13] = {
1532 "dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
1533 "size", "atime", "mtime", "ctime", "blksize", "blocks"
1534 };
1535
1536 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &fp) == FAILURE) {
1537 RETURN_FALSE;
1538 }
1539
1540 PHP_STREAM_TO_ZVAL(stream, &fp);
1541
1542 if (php_stream_stat(stream, &stat_ssb)) {
1543 RETURN_FALSE;
1544 }
1545
1546 array_init(return_value);
1547
1548 MAKE_LONG_ZVAL_INCREF(stat_dev, stat_ssb.sb.st_dev);
1549 MAKE_LONG_ZVAL_INCREF(stat_ino, stat_ssb.sb.st_ino);
1550 MAKE_LONG_ZVAL_INCREF(stat_mode, stat_ssb.sb.st_mode);
1551 MAKE_LONG_ZVAL_INCREF(stat_nlink, stat_ssb.sb.st_nlink);
1552 MAKE_LONG_ZVAL_INCREF(stat_uid, stat_ssb.sb.st_uid);
1553 MAKE_LONG_ZVAL_INCREF(stat_gid, stat_ssb.sb.st_gid);
1554 #ifdef HAVE_ST_RDEV
1555 MAKE_LONG_ZVAL_INCREF(stat_rdev, stat_ssb.sb.st_rdev);
1556 #else
1557 MAKE_LONG_ZVAL_INCREF(stat_rdev, -1);
1558 #endif
1559 MAKE_LONG_ZVAL_INCREF(stat_size, stat_ssb.sb.st_size);
1560 MAKE_LONG_ZVAL_INCREF(stat_atime, stat_ssb.sb.st_atime);
1561 MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_ssb.sb.st_mtime);
1562 MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_ssb.sb.st_ctime);
1563 #ifdef HAVE_ST_BLKSIZE
1564 MAKE_LONG_ZVAL_INCREF(stat_blksize, stat_ssb.sb.st_blksize);
1565 #else
1566 MAKE_LONG_ZVAL_INCREF(stat_blksize,-1);
1567 #endif
1568 #ifdef HAVE_ST_BLOCKS
1569 MAKE_LONG_ZVAL_INCREF(stat_blocks, stat_ssb.sb.st_blocks);
1570 #else
1571 MAKE_LONG_ZVAL_INCREF(stat_blocks,-1);
1572 #endif
1573 /* Store numeric indexes in propper order */
1574 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_dev, sizeof(zval *), NULL);
1575 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ino, sizeof(zval *), NULL);
1576 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mode, sizeof(zval *), NULL);
1577 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_nlink, sizeof(zval *), NULL);
1578 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_uid, sizeof(zval *), NULL);
1579 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_gid, sizeof(zval *), NULL);
1580 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_rdev, sizeof(zval *), NULL);
1581 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_size, sizeof(zval *), NULL);
1582 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_atime, sizeof(zval *), NULL);
1583 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mtime, sizeof(zval *), NULL);
1584 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ctime, sizeof(zval *), NULL);
1585 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blksize, sizeof(zval *), NULL);
1586 zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blocks, sizeof(zval *), NULL);
1587
1588 /* Store string indexes referencing the same zval*/
1589 zend_hash_update(HASH_OF(return_value), stat_sb_names[0], strlen(stat_sb_names[0])+1, (void *)&stat_dev, sizeof(zval *), NULL);
1590 zend_hash_update(HASH_OF(return_value), stat_sb_names[1], strlen(stat_sb_names[1])+1, (void *)&stat_ino, sizeof(zval *), NULL);
1591 zend_hash_update(HASH_OF(return_value), stat_sb_names[2], strlen(stat_sb_names[2])+1, (void *)&stat_mode, sizeof(zval *), NULL);
1592 zend_hash_update(HASH_OF(return_value), stat_sb_names[3], strlen(stat_sb_names[3])+1, (void *)&stat_nlink, sizeof(zval *), NULL);
1593 zend_hash_update(HASH_OF(return_value), stat_sb_names[4], strlen(stat_sb_names[4])+1, (void *)&stat_uid, sizeof(zval *), NULL);
1594 zend_hash_update(HASH_OF(return_value), stat_sb_names[5], strlen(stat_sb_names[5])+1, (void *)&stat_gid, sizeof(zval *), NULL);
1595 zend_hash_update(HASH_OF(return_value), stat_sb_names[6], strlen(stat_sb_names[6])+1, (void *)&stat_rdev, sizeof(zval *), NULL);
1596 zend_hash_update(HASH_OF(return_value), stat_sb_names[7], strlen(stat_sb_names[7])+1, (void *)&stat_size, sizeof(zval *), NULL);
1597 zend_hash_update(HASH_OF(return_value), stat_sb_names[8], strlen(stat_sb_names[8])+1, (void *)&stat_atime, sizeof(zval *), NULL);
1598 zend_hash_update(HASH_OF(return_value), stat_sb_names[9], strlen(stat_sb_names[9])+1, (void *)&stat_mtime, sizeof(zval *), NULL);
1599 zend_hash_update(HASH_OF(return_value), stat_sb_names[10], strlen(stat_sb_names[10])+1, (void *)&stat_ctime, sizeof(zval *), NULL);
1600 zend_hash_update(HASH_OF(return_value), stat_sb_names[11], strlen(stat_sb_names[11])+1, (void *)&stat_blksize, sizeof(zval *), NULL);
1601 zend_hash_update(HASH_OF(return_value), stat_sb_names[12], strlen(stat_sb_names[12])+1, (void *)&stat_blocks, sizeof(zval *), NULL);
1602 }
1603 /* }}} */
1604
1605 /* {{{ proto bool copy(string source_file, string destination_file [, resource context])
1606 Copy a file */
PHP_FUNCTION(copy)1607 PHP_FUNCTION(copy)
1608 {
1609 char *source, *target;
1610 int source_len, target_len;
1611 zval *zcontext = NULL;
1612 php_stream_context *context;
1613
1614 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &source, &source_len, &target, &target_len, &zcontext) == FAILURE) {
1615 return;
1616 }
1617
1618 if (php_check_open_basedir(source TSRMLS_CC)) {
1619 RETURN_FALSE;
1620 }
1621
1622 context = php_stream_context_from_zval(zcontext, 0);
1623
1624 if (php_copy_file_ctx(source, target, 0, context TSRMLS_CC) == SUCCESS) {
1625 RETURN_TRUE;
1626 } else {
1627 RETURN_FALSE;
1628 }
1629 }
1630 /* }}} */
1631
1632 /* {{{ php_copy_file
1633 */
php_copy_file(char * src,char * dest TSRMLS_DC)1634 PHPAPI int php_copy_file(char *src, char *dest TSRMLS_DC)
1635 {
1636 return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
1637 }
1638 /* }}} */
1639
1640 /* {{{ php_copy_file_ex
1641 */
php_copy_file_ex(char * src,char * dest,int src_flg TSRMLS_DC)1642 PHPAPI int php_copy_file_ex(char *src, char *dest, int src_flg TSRMLS_DC)
1643 {
1644 return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
1645 }
1646 /* }}} */
1647
1648 /* {{{ php_copy_file_ctx
1649 */
php_copy_file_ctx(char * src,char * dest,int src_flg,php_stream_context * ctx TSRMLS_DC)1650 PHPAPI int php_copy_file_ctx(char *src, char *dest, int src_flg, php_stream_context *ctx TSRMLS_DC)
1651 {
1652 php_stream *srcstream = NULL, *deststream = NULL;
1653 int ret = FAILURE;
1654 php_stream_statbuf src_s, dest_s;
1655
1656 switch (php_stream_stat_path_ex(src, 0, &src_s, ctx)) {
1657 case -1:
1658 /* non-statable stream */
1659 goto safe_to_copy;
1660 break;
1661 case 0:
1662 break;
1663 default: /* failed to stat file, does not exist? */
1664 return ret;
1665 }
1666 if (S_ISDIR(src_s.sb.st_mode)) {
1667 php_error_docref(NULL TSRMLS_CC, E_WARNING, "The first argument to copy() function cannot be a directory");
1668 return FAILURE;
1669 }
1670
1671 switch (php_stream_stat_path_ex(dest, PHP_STREAM_URL_STAT_QUIET | PHP_STREAM_URL_STAT_NOCACHE, &dest_s, ctx)) {
1672 case -1:
1673 /* non-statable stream */
1674 goto safe_to_copy;
1675 break;
1676 case 0:
1677 break;
1678 default: /* failed to stat file, does not exist? */
1679 return ret;
1680 }
1681 if (S_ISDIR(dest_s.sb.st_mode)) {
1682 php_error_docref(NULL TSRMLS_CC, E_WARNING, "The second argument to copy() function cannot be a directory");
1683 return FAILURE;
1684 }
1685 if (!src_s.sb.st_ino || !dest_s.sb.st_ino) {
1686 goto no_stat;
1687 }
1688 if (src_s.sb.st_ino == dest_s.sb.st_ino && src_s.sb.st_dev == dest_s.sb.st_dev) {
1689 return ret;
1690 } else {
1691 goto safe_to_copy;
1692 }
1693 no_stat:
1694 {
1695 char *sp, *dp;
1696 int res;
1697
1698 if ((sp = expand_filepath(src, NULL TSRMLS_CC)) == NULL) {
1699 return ret;
1700 }
1701 if ((dp = expand_filepath(dest, NULL TSRMLS_CC)) == NULL) {
1702 efree(sp);
1703 goto safe_to_copy;
1704 }
1705
1706 res =
1707 #ifndef PHP_WIN32
1708 !strcmp(sp, dp);
1709 #else
1710 !strcasecmp(sp, dp);
1711 #endif
1712
1713 efree(sp);
1714 efree(dp);
1715 if (res) {
1716 return ret;
1717 }
1718 }
1719 safe_to_copy:
1720
1721 srcstream = php_stream_open_wrapper_ex(src, "rb", src_flg | REPORT_ERRORS, NULL, ctx);
1722
1723 if (!srcstream) {
1724 return ret;
1725 }
1726
1727 deststream = php_stream_open_wrapper_ex(dest, "wb", REPORT_ERRORS, NULL, ctx);
1728
1729 if (srcstream && deststream) {
1730 ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL);
1731 }
1732 if (srcstream) {
1733 php_stream_close(srcstream);
1734 }
1735 if (deststream) {
1736 php_stream_close(deststream);
1737 }
1738 return ret;
1739 }
1740 /* }}} */
1741
1742 /* {{{ proto string fread(resource fp, int length)
1743 Binary-safe file read */
PHP_FUNCTION(fread)1744 PHPAPI PHP_FUNCTION(fread)
1745 {
1746 zval *arg1;
1747 long len;
1748 php_stream *stream;
1749
1750 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &arg1, &len) == FAILURE) {
1751 RETURN_FALSE;
1752 }
1753
1754 PHP_STREAM_TO_ZVAL(stream, &arg1);
1755
1756 if (len <= 0) {
1757 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1758 RETURN_FALSE;
1759 }
1760
1761 if (len > INT_MAX) {
1762 /* string length is int in 5.x so we can not read more than int */
1763 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be no more than %d", INT_MAX);
1764 RETURN_FALSE;
1765 }
1766
1767 Z_STRVAL_P(return_value) = emalloc(len + 1);
1768 Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len);
1769
1770 /* needed because recv/read/gzread doesnt put a null at the end*/
1771 Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0;
1772 Z_TYPE_P(return_value) = IS_STRING;
1773 }
1774 /* }}} */
1775
php_fgetcsv_lookup_trailing_spaces(const char * ptr,size_t len,const char delimiter TSRMLS_DC)1776 static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len, const char delimiter TSRMLS_DC) /* {{{ */
1777 {
1778 int inc_len;
1779 unsigned char last_chars[2] = { 0, 0 };
1780
1781 while (len > 0) {
1782 inc_len = (*ptr == '\0' ? 1: php_mblen(ptr, len));
1783 switch (inc_len) {
1784 case -2:
1785 case -1:
1786 inc_len = 1;
1787 php_ignore_value(php_mblen(NULL, 0));
1788 break;
1789 case 0:
1790 goto quit_loop;
1791 case 1:
1792 default:
1793 last_chars[0] = last_chars[1];
1794 last_chars[1] = *ptr;
1795 break;
1796 }
1797 ptr += inc_len;
1798 len -= inc_len;
1799 }
1800 quit_loop:
1801 switch (last_chars[1]) {
1802 case '\n':
1803 if (last_chars[0] == '\r') {
1804 return ptr - 2;
1805 }
1806 /* break is omitted intentionally */
1807 case '\r':
1808 return ptr - 1;
1809 }
1810 return ptr;
1811 }
1812 /* }}} */
1813
1814 #define FPUTCSV_FLD_CHK(c) memchr(Z_STRVAL(field), c, Z_STRLEN(field))
1815
1816 /* {{{ proto int fputcsv(resource fp, array fields [, string delimiter [, string enclosure [, string escape_char]]])
1817 Format line as CSV and write to file pointer */
PHP_FUNCTION(fputcsv)1818 PHP_FUNCTION(fputcsv)
1819 {
1820 char delimiter = ','; /* allow this to be set as parameter */
1821 char enclosure = '"'; /* allow this to be set as parameter */
1822 char escape_char = '\\'; /* allow this to be set as parameter */
1823 php_stream *stream;
1824 zval *fp = NULL, *fields = NULL;
1825 int ret;
1826 char *delimiter_str = NULL, *enclosure_str = NULL, *escape_str = NULL;
1827 int delimiter_str_len = 0, enclosure_str_len = 0, escape_str_len = 0;
1828
1829 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra|sss",
1830 &fp, &fields, &delimiter_str, &delimiter_str_len,
1831 &enclosure_str, &enclosure_str_len,
1832 &escape_str, &escape_str_len) == FAILURE) {
1833 return;
1834 }
1835
1836 if (delimiter_str != NULL) {
1837 /* Make sure that there is at least one character in string */
1838 if (delimiter_str_len < 1) {
1839 php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
1840 RETURN_FALSE;
1841 } else if (delimiter_str_len > 1) {
1842 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
1843 }
1844
1845 /* use first character from string */
1846 delimiter = *delimiter_str;
1847 }
1848
1849 if (enclosure_str != NULL) {
1850 if (enclosure_str_len < 1) {
1851 php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
1852 RETURN_FALSE;
1853 } else if (enclosure_str_len > 1) {
1854 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
1855 }
1856 /* use first character from string */
1857 enclosure = *enclosure_str;
1858 }
1859
1860 if (escape_str != NULL) {
1861 if (escape_str_len < 1) {
1862 php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be a character");
1863 RETURN_FALSE;
1864 } else if (escape_str_len > 1) {
1865 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
1866 }
1867 /* use first character from string */
1868 escape_char = *escape_str;
1869 }
1870
1871 PHP_STREAM_TO_ZVAL(stream, &fp);
1872
1873 ret = php_fputcsv(stream, fields, delimiter, enclosure, escape_char TSRMLS_CC);
1874 RETURN_LONG(ret);
1875 }
1876 /* }}} */
1877
1878 /* {{{ PHPAPI int php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC) */
php_fputcsv(php_stream * stream,zval * fields,char delimiter,char enclosure,char escape_char TSRMLS_DC)1879 PHPAPI int php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC)
1880 {
1881 int count, i = 0, ret;
1882 zval **field_tmp = NULL, field;
1883 smart_str csvline = {0};
1884 HashPosition pos;
1885
1886 count = zend_hash_num_elements(Z_ARRVAL_P(fields));
1887 zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(fields), &pos);
1888 while (zend_hash_get_current_data_ex(Z_ARRVAL_P(fields), (void **) &field_tmp, &pos) == SUCCESS) {
1889 field = **field_tmp;
1890
1891 if (Z_TYPE_PP(field_tmp) != IS_STRING) {
1892 zval_copy_ctor(&field);
1893 convert_to_string(&field);
1894 }
1895
1896 /* enclose a field that contains a delimiter, an enclosure character, or a newline */
1897 if (FPUTCSV_FLD_CHK(delimiter) ||
1898 FPUTCSV_FLD_CHK(enclosure) ||
1899 FPUTCSV_FLD_CHK(escape_char) ||
1900 FPUTCSV_FLD_CHK('\n') ||
1901 FPUTCSV_FLD_CHK('\r') ||
1902 FPUTCSV_FLD_CHK('\t') ||
1903 FPUTCSV_FLD_CHK(' ')
1904 ) {
1905 char *ch = Z_STRVAL(field);
1906 char *end = ch + Z_STRLEN(field);
1907 int escaped = 0;
1908
1909 smart_str_appendc(&csvline, enclosure);
1910 while (ch < end) {
1911 if (*ch == escape_char) {
1912 escaped = 1;
1913 } else if (!escaped && *ch == enclosure) {
1914 smart_str_appendc(&csvline, enclosure);
1915 } else {
1916 escaped = 0;
1917 }
1918 smart_str_appendc(&csvline, *ch);
1919 ch++;
1920 }
1921 smart_str_appendc(&csvline, enclosure);
1922 } else {
1923 smart_str_appendl(&csvline, Z_STRVAL(field), Z_STRLEN(field));
1924 }
1925
1926 if (++i != count) {
1927 smart_str_appendl(&csvline, &delimiter, 1);
1928 }
1929 zend_hash_move_forward_ex(Z_ARRVAL_P(fields), &pos);
1930
1931 if (Z_TYPE_PP(field_tmp) != IS_STRING) {
1932 zval_dtor(&field);
1933 }
1934 }
1935
1936 smart_str_appendc(&csvline, '\n');
1937 smart_str_0(&csvline);
1938
1939 ret = php_stream_write(stream, csvline.c, csvline.len);
1940
1941 smart_str_free(&csvline);
1942
1943 return ret;
1944 }
1945 /* }}} */
1946
1947 /* {{{ proto array fgetcsv(resource fp [,int length [, string delimiter [, string enclosure [, string escape]]]])
1948 Get line from file pointer and parse for CSV fields */
PHP_FUNCTION(fgetcsv)1949 PHP_FUNCTION(fgetcsv)
1950 {
1951 char delimiter = ','; /* allow this to be set as parameter */
1952 char enclosure = '"'; /* allow this to be set as parameter */
1953 char escape = '\\';
1954
1955 /* first section exactly as php_fgetss */
1956
1957 long len = 0;
1958 size_t buf_len;
1959 char *buf;
1960 php_stream *stream;
1961
1962 {
1963 zval *fd, **len_zv = NULL;
1964 char *delimiter_str = NULL;
1965 int delimiter_str_len = 0;
1966 char *enclosure_str = NULL;
1967 int enclosure_str_len = 0;
1968 char *escape_str = NULL;
1969 int escape_str_len = 0;
1970
1971 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|Zsss",
1972 &fd, &len_zv, &delimiter_str, &delimiter_str_len,
1973 &enclosure_str, &enclosure_str_len,
1974 &escape_str, &escape_str_len) == FAILURE
1975 ) {
1976 return;
1977 }
1978
1979 if (delimiter_str != NULL) {
1980 /* Make sure that there is at least one character in string */
1981 if (delimiter_str_len < 1) {
1982 php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
1983 RETURN_FALSE;
1984 } else if (delimiter_str_len > 1) {
1985 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
1986 }
1987
1988 /* use first character from string */
1989 delimiter = delimiter_str[0];
1990 }
1991
1992 if (enclosure_str != NULL) {
1993 if (enclosure_str_len < 1) {
1994 php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
1995 RETURN_FALSE;
1996 } else if (enclosure_str_len > 1) {
1997 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
1998 }
1999
2000 /* use first character from string */
2001 enclosure = enclosure_str[0];
2002 }
2003
2004 if (escape_str != NULL) {
2005 if (escape_str_len < 1) {
2006 php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be character");
2007 RETURN_FALSE;
2008 } else if (escape_str_len > 1) {
2009 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
2010 }
2011
2012 escape = escape_str[0];
2013 }
2014
2015 if (len_zv != NULL && Z_TYPE_PP(len_zv) != IS_NULL) {
2016 convert_to_long_ex(len_zv);
2017 len = Z_LVAL_PP(len_zv);
2018 if (len < 0) {
2019 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter may not be negative");
2020 RETURN_FALSE;
2021 } else if (len == 0) {
2022 len = -1;
2023 }
2024 } else {
2025 len = -1;
2026 }
2027
2028 PHP_STREAM_TO_ZVAL(stream, &fd);
2029 }
2030
2031 if (len < 0) {
2032 if ((buf = php_stream_get_line(stream, NULL, 0, &buf_len)) == NULL) {
2033 RETURN_FALSE;
2034 }
2035 } else {
2036 buf = emalloc(len + 1);
2037 if (php_stream_get_line(stream, buf, len + 1, &buf_len) == NULL) {
2038 efree(buf);
2039 RETURN_FALSE;
2040 }
2041 }
2042
2043 php_fgetcsv(stream, delimiter, enclosure, escape, buf_len, buf, return_value TSRMLS_CC);
2044 }
2045 /* }}} */
2046
php_fgetcsv(php_stream * stream,char delimiter,char enclosure,char escape_char,size_t buf_len,char * buf,zval * return_value TSRMLS_DC)2047 PHPAPI void php_fgetcsv(php_stream *stream, char delimiter, char enclosure, char escape_char, size_t buf_len, char *buf, zval *return_value TSRMLS_DC) /* {{{ */
2048 {
2049 char *temp, *tptr, *bptr, *line_end, *limit;
2050 size_t temp_len, line_end_len;
2051 int inc_len;
2052 zend_bool first_field = 1;
2053
2054 /* initialize internal state */
2055 php_ignore_value(php_mblen(NULL, 0));
2056
2057 /* Now into new section that parses buf for delimiter/enclosure fields */
2058
2059 /* Strip trailing space from buf, saving end of line in case required for enclosure field */
2060
2061 bptr = buf;
2062 tptr = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
2063 line_end_len = buf_len - (size_t)(tptr - buf);
2064 line_end = limit = tptr;
2065
2066 /* reserve workspace for building each individual field */
2067 temp_len = buf_len;
2068 temp = emalloc(temp_len + line_end_len + 1);
2069
2070 /* Initialize return array */
2071 array_init(return_value);
2072
2073 /* Main loop to read CSV fields */
2074 /* NB this routine will return a single null entry for a blank line */
2075
2076 do {
2077 char *comp_end, *hunk_begin;
2078
2079 tptr = temp;
2080
2081 inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2082 if (inc_len == 1) {
2083 char *tmp = bptr;
2084 while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) {
2085 tmp++;
2086 }
2087 if (*tmp == enclosure) {
2088 bptr = tmp;
2089 }
2090 }
2091
2092 if (first_field && bptr == line_end) {
2093 add_next_index_null(return_value);
2094 break;
2095 }
2096 first_field = 0;
2097 /* 2. Read field, leaving bptr pointing at start of next field */
2098 if (inc_len != 0 && *bptr == enclosure) {
2099 int state = 0;
2100
2101 bptr++; /* move on to first character in field */
2102 hunk_begin = bptr;
2103
2104 /* 2A. handle enclosure delimited field */
2105 for (;;) {
2106 switch (inc_len) {
2107 case 0:
2108 switch (state) {
2109 case 2:
2110 memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2111 tptr += (bptr - hunk_begin - 1);
2112 hunk_begin = bptr;
2113 goto quit_loop_2;
2114
2115 case 1:
2116 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2117 tptr += (bptr - hunk_begin);
2118 hunk_begin = bptr;
2119 /* break is omitted intentionally */
2120
2121 case 0: {
2122 char *new_buf;
2123 size_t new_len;
2124 char *new_temp;
2125
2126 if (hunk_begin != line_end) {
2127 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2128 tptr += (bptr - hunk_begin);
2129 hunk_begin = bptr;
2130 }
2131
2132 /* add the embedded line end to the field */
2133 memcpy(tptr, line_end, line_end_len);
2134 tptr += line_end_len;
2135
2136 if (stream == NULL) {
2137 goto quit_loop_2;
2138 } else if ((new_buf = php_stream_get_line(stream, NULL, 0, &new_len)) == NULL) {
2139 /* we've got an unterminated enclosure,
2140 * assign all the data from the start of
2141 * the enclosure to end of data to the
2142 * last element */
2143 if ((size_t)temp_len > (size_t)(limit - buf)) {
2144 goto quit_loop_2;
2145 }
2146 zval_dtor(return_value);
2147 RETVAL_FALSE;
2148 goto out;
2149 }
2150 temp_len += new_len;
2151 new_temp = erealloc(temp, temp_len);
2152 tptr = new_temp + (size_t)(tptr - temp);
2153 temp = new_temp;
2154
2155 efree(buf);
2156 buf_len = new_len;
2157 bptr = buf = new_buf;
2158 hunk_begin = buf;
2159
2160 line_end = limit = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
2161 line_end_len = buf_len - (size_t)(limit - buf);
2162
2163 state = 0;
2164 } break;
2165 }
2166 break;
2167
2168 case -2:
2169 case -1:
2170 php_ignore_value(php_mblen(NULL, 0));
2171 /* break is omitted intentionally */
2172 case 1:
2173 /* we need to determine if the enclosure is
2174 * 'real' or is it escaped */
2175 switch (state) {
2176 case 1: /* escaped */
2177 bptr++;
2178 state = 0;
2179 break;
2180 case 2: /* embedded enclosure ? let's check it */
2181 if (*bptr != enclosure) {
2182 /* real enclosure */
2183 memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2184 tptr += (bptr - hunk_begin - 1);
2185 hunk_begin = bptr;
2186 goto quit_loop_2;
2187 }
2188 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2189 tptr += (bptr - hunk_begin);
2190 bptr++;
2191 hunk_begin = bptr;
2192 state = 0;
2193 break;
2194 default:
2195 if (*bptr == enclosure) {
2196 state = 2;
2197 } else if (*bptr == escape_char) {
2198 state = 1;
2199 }
2200 bptr++;
2201 break;
2202 }
2203 break;
2204
2205 default:
2206 switch (state) {
2207 case 2:
2208 /* real enclosure */
2209 memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2210 tptr += (bptr - hunk_begin - 1);
2211 hunk_begin = bptr;
2212 goto quit_loop_2;
2213 case 1:
2214 bptr += inc_len;
2215 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2216 tptr += (bptr - hunk_begin);
2217 hunk_begin = bptr;
2218 break;
2219 default:
2220 bptr += inc_len;
2221 break;
2222 }
2223 break;
2224 }
2225 inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2226 }
2227
2228 quit_loop_2:
2229 /* look up for a delimiter */
2230 for (;;) {
2231 switch (inc_len) {
2232 case 0:
2233 goto quit_loop_3;
2234
2235 case -2:
2236 case -1:
2237 inc_len = 1;
2238 php_ignore_value(php_mblen(NULL, 0));
2239 /* break is omitted intentionally */
2240 case 1:
2241 if (*bptr == delimiter) {
2242 goto quit_loop_3;
2243 }
2244 break;
2245 default:
2246 break;
2247 }
2248 bptr += inc_len;
2249 inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2250 }
2251
2252 quit_loop_3:
2253 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2254 tptr += (bptr - hunk_begin);
2255 bptr += inc_len;
2256 comp_end = tptr;
2257 } else {
2258 /* 2B. Handle non-enclosure field */
2259
2260 hunk_begin = bptr;
2261
2262 for (;;) {
2263 switch (inc_len) {
2264 case 0:
2265 goto quit_loop_4;
2266 case -2:
2267 case -1:
2268 inc_len = 1;
2269 php_ignore_value(php_mblen(NULL, 0));
2270 /* break is omitted intentionally */
2271 case 1:
2272 if (*bptr == delimiter) {
2273 goto quit_loop_4;
2274 }
2275 break;
2276 default:
2277 break;
2278 }
2279 bptr += inc_len;
2280 inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2281 }
2282 quit_loop_4:
2283 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2284 tptr += (bptr - hunk_begin);
2285
2286 comp_end = (char *)php_fgetcsv_lookup_trailing_spaces(temp, tptr - temp, delimiter TSRMLS_CC);
2287 if (*bptr == delimiter) {
2288 bptr++;
2289 }
2290 }
2291
2292 /* 3. Now pass our field back to php */
2293 *comp_end = '\0';
2294 add_next_index_stringl(return_value, temp, comp_end - temp, 1);
2295 } while (inc_len > 0);
2296
2297 out:
2298 efree(temp);
2299 if (stream) {
2300 efree(buf);
2301 }
2302 }
2303 /* }}} */
2304
2305 #if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS)
2306 /* {{{ proto string realpath(string path)
2307 Return the resolved path */
PHP_FUNCTION(realpath)2308 PHP_FUNCTION(realpath)
2309 {
2310 char *filename;
2311 int filename_len;
2312 char resolved_path_buff[MAXPATHLEN];
2313
2314 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) {
2315 return;
2316 }
2317
2318 if (VCWD_REALPATH(filename, resolved_path_buff)) {
2319 if (php_check_open_basedir(resolved_path_buff TSRMLS_CC)) {
2320 RETURN_FALSE;
2321 }
2322
2323 #ifdef ZTS
2324 if (VCWD_ACCESS(resolved_path_buff, F_OK)) {
2325 RETURN_FALSE;
2326 }
2327 #endif
2328 RETURN_STRING(resolved_path_buff, 1);
2329 } else {
2330 RETURN_FALSE;
2331 }
2332 }
2333 /* }}} */
2334 #endif
2335
2336 /* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */
2337 #define PHP_META_HTML401_CHARS "-_.:"
2338
2339 /* {{{ php_next_meta_token
2340 Tokenizes an HTML file for get_meta_tags */
php_next_meta_token(php_meta_tags_data * md TSRMLS_DC)2341 php_meta_tags_token php_next_meta_token(php_meta_tags_data *md TSRMLS_DC)
2342 {
2343 int ch = 0, compliment;
2344 char buff[META_DEF_BUFSIZE + 1];
2345
2346 memset((void *)buff, 0, META_DEF_BUFSIZE + 1);
2347
2348 while (md->ulc || (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)))) {
2349 if (php_stream_eof(md->stream)) {
2350 break;
2351 }
2352
2353 if (md->ulc) {
2354 ch = md->lc;
2355 md->ulc = 0;
2356 }
2357
2358 switch (ch) {
2359 case '<':
2360 return TOK_OPENTAG;
2361 break;
2362
2363 case '>':
2364 return TOK_CLOSETAG;
2365 break;
2366
2367 case '=':
2368 return TOK_EQUAL;
2369 break;
2370 case '/':
2371 return TOK_SLASH;
2372 break;
2373
2374 case '\'':
2375 case '"':
2376 compliment = ch;
2377 md->token_len = 0;
2378 while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && ch != compliment && ch != '<' && ch != '>') {
2379 buff[(md->token_len)++] = ch;
2380
2381 if (md->token_len == META_DEF_BUFSIZE) {
2382 break;
2383 }
2384 }
2385
2386 if (ch == '<' || ch == '>') {
2387 /* Was just an apostrohpe */
2388 md->ulc = 1;
2389 md->lc = ch;
2390 }
2391
2392 /* We don't need to alloc unless we are in a meta tag */
2393 if (md->in_meta) {
2394 md->token_data = (char *) emalloc(md->token_len + 1);
2395 memcpy(md->token_data, buff, md->token_len+1);
2396 }
2397
2398 return TOK_STRING;
2399 break;
2400
2401 case '\n':
2402 case '\r':
2403 case '\t':
2404 break;
2405
2406 case ' ':
2407 return TOK_SPACE;
2408 break;
2409
2410 default:
2411 if (isalnum(ch)) {
2412 md->token_len = 0;
2413 buff[(md->token_len)++] = ch;
2414 while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) {
2415 buff[(md->token_len)++] = ch;
2416
2417 if (md->token_len == META_DEF_BUFSIZE) {
2418 break;
2419 }
2420 }
2421
2422 /* This is ugly, but we have to replace ungetc */
2423 if (!isalpha(ch) && ch != '-') {
2424 md->ulc = 1;
2425 md->lc = ch;
2426 }
2427
2428 md->token_data = (char *) emalloc(md->token_len + 1);
2429 memcpy(md->token_data, buff, md->token_len+1);
2430
2431 return TOK_ID;
2432 } else {
2433 return TOK_OTHER;
2434 }
2435 break;
2436 }
2437 }
2438
2439 return TOK_EOF;
2440 }
2441 /* }}} */
2442
2443 #ifdef HAVE_FNMATCH
2444 /* {{{ proto bool fnmatch(string pattern, string filename [, int flags])
2445 Match filename against pattern */
PHP_FUNCTION(fnmatch)2446 PHP_FUNCTION(fnmatch)
2447 {
2448 char *pattern, *filename;
2449 int pattern_len, filename_len;
2450 long flags = 0;
2451
2452 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|l", &pattern, &pattern_len, &filename, &filename_len, &flags) == FAILURE) {
2453 return;
2454 }
2455
2456 if (filename_len >= MAXPATHLEN) {
2457 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2458 RETURN_FALSE;
2459 }
2460 if (pattern_len >= MAXPATHLEN) {
2461 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2462 RETURN_FALSE;
2463 }
2464
2465 RETURN_BOOL( ! fnmatch( pattern, filename, flags ));
2466 }
2467 /* }}} */
2468 #endif
2469
2470 /* {{{ proto string sys_get_temp_dir()
2471 Returns directory path used for temporary files */
PHP_FUNCTION(sys_get_temp_dir)2472 PHP_FUNCTION(sys_get_temp_dir)
2473 {
2474 if (zend_parse_parameters_none() == FAILURE) {
2475 return;
2476 }
2477 RETURN_STRING((char *)php_get_temporary_directory(TSRMLS_C), 1);
2478 }
2479 /* }}} */
2480
2481 /*
2482 * Local variables:
2483 * tab-width: 4
2484 * c-basic-offset: 4
2485 * End:
2486 * vim600: noet sw=4 ts=4 fdm=marker
2487 * vim<600: noet sw=4 ts=4
2488 */
2489