1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | http://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Authors: Rasmus Lerdorf <rasmus@php.net> |
14 | Stig Bakken <ssb@php.net> |
15 | Andi Gutmans <andi@php.net> |
16 | Zeev Suraski <zeev@php.net> |
17 | PHP 4.0 patches by Thies C. Arntzen (thies@thieso.net) |
18 | PHP streams by Wez Furlong (wez@thebrainroom.com) |
19 +----------------------------------------------------------------------+
20 */
21
22 /* {{{ includes */
23
24 #include "php.h"
25 #include "php_globals.h"
26 #include "ext/standard/flock_compat.h"
27 #include "ext/standard/exec.h"
28 #include "ext/standard/php_filestat.h"
29 #include "php_open_temporary_file.h"
30 #include "ext/standard/basic_functions.h"
31 #include "php_ini.h"
32 #include "zend_smart_str.h"
33
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <errno.h>
37 #include <wchar.h>
38 #include <sys/types.h>
39 #include <sys/stat.h>
40 #include <fcntl.h>
41
42 #ifdef PHP_WIN32
43 # include <io.h>
44 # define O_RDONLY _O_RDONLY
45 # include "win32/param.h"
46 # include "win32/winutil.h"
47 # include "win32/fnmatch.h"
48 # include "win32/ioutil.h"
49 #else
50 # if HAVE_SYS_PARAM_H
51 # include <sys/param.h>
52 # endif
53 # if HAVE_SYS_SELECT_H
54 # include <sys/select.h>
55 # endif
56 # include <sys/socket.h>
57 # include <netinet/in.h>
58 # include <netdb.h>
59 # if HAVE_ARPA_INET_H
60 # include <arpa/inet.h>
61 # endif
62 #endif
63
64 #include "ext/standard/head.h"
65 #include "php_string.h"
66 #include "file.h"
67
68 #if HAVE_PWD_H
69 # ifdef PHP_WIN32
70 # include "win32/pwd.h"
71 # else
72 # include <pwd.h>
73 # endif
74 #endif
75
76 #ifdef HAVE_SYS_TIME_H
77 # include <sys/time.h>
78 #endif
79
80 #include "fsock.h"
81 #include "fopen_wrappers.h"
82 #include "streamsfuncs.h"
83 #include "php_globals.h"
84
85 #ifdef HAVE_SYS_FILE_H
86 # include <sys/file.h>
87 #endif
88
89 #if MISSING_FCLOSE_DECL
90 extern int fclose(FILE *);
91 #endif
92
93 #ifdef HAVE_SYS_MMAN_H
94 # include <sys/mman.h>
95 #endif
96
97 #include "scanf.h"
98 #include "zend_API.h"
99
100 #ifdef ZTS
101 int file_globals_id;
102 #else
103 php_file_globals file_globals;
104 #endif
105
106 #if defined(HAVE_FNMATCH) && !defined(PHP_WIN32)
107 # ifndef _GNU_SOURCE
108 # define _GNU_SOURCE
109 # endif
110 # include <fnmatch.h>
111 #endif
112
113 /* }}} */
114
115 #define PHP_STREAM_TO_ZVAL(stream, arg) \
116 ZEND_ASSERT(Z_TYPE_P(arg) == IS_RESOURCE); \
117 php_stream_from_res(stream, Z_RES_P(arg));
118
119 /* {{{ ZTS-stuff / Globals / Prototypes */
120
121 /* sharing globals is *evil* */
122 static int le_stream_context = FAILURE;
123
php_le_stream_context(void)124 PHPAPI int php_le_stream_context(void)
125 {
126 return le_stream_context;
127 }
128 /* }}} */
129
130 /* {{{ Module-Stuff */
ZEND_RSRC_DTOR_FUNC(file_context_dtor)131 static ZEND_RSRC_DTOR_FUNC(file_context_dtor)
132 {
133 php_stream_context *context = (php_stream_context*)res->ptr;
134 if (Z_TYPE(context->options) != IS_UNDEF) {
135 zval_ptr_dtor(&context->options);
136 ZVAL_UNDEF(&context->options);
137 }
138 php_stream_context_free(context);
139 }
140
file_globals_ctor(php_file_globals * file_globals_p)141 static void file_globals_ctor(php_file_globals *file_globals_p)
142 {
143 memset(file_globals_p, 0, sizeof(php_file_globals));
144 file_globals_p->def_chunk_size = PHP_SOCK_CHUNK_SIZE;
145 }
146
file_globals_dtor(php_file_globals * file_globals_p)147 static void file_globals_dtor(php_file_globals *file_globals_p)
148 {
149 #if defined(HAVE_GETHOSTBYNAME_R)
150 if (file_globals_p->tmp_host_buf) {
151 free(file_globals_p->tmp_host_buf);
152 }
153 #endif
154 }
155
156 PHP_INI_BEGIN()
157 STD_PHP_INI_ENTRY("user_agent", NULL, PHP_INI_ALL, OnUpdateString, user_agent, php_file_globals, file_globals)
158 STD_PHP_INI_ENTRY("from", NULL, PHP_INI_ALL, OnUpdateString, from_address, php_file_globals, file_globals)
159 STD_PHP_INI_ENTRY("default_socket_timeout", "60", PHP_INI_ALL, OnUpdateLong, default_socket_timeout, php_file_globals, file_globals)
160 STD_PHP_INI_BOOLEAN("auto_detect_line_endings", "0", PHP_INI_ALL, OnUpdateBool, auto_detect_line_endings, php_file_globals, file_globals)
PHP_INI_END()161 PHP_INI_END()
162
163 PHP_MINIT_FUNCTION(file)
164 {
165 le_stream_context = zend_register_list_destructors_ex(file_context_dtor, NULL, "stream-context", module_number);
166
167 #ifdef ZTS
168 ts_allocate_id(&file_globals_id, sizeof(php_file_globals), (ts_allocate_ctor) file_globals_ctor, (ts_allocate_dtor) file_globals_dtor);
169 #else
170 file_globals_ctor(&file_globals);
171 #endif
172
173 REGISTER_INI_ENTRIES();
174
175 REGISTER_LONG_CONSTANT("SEEK_SET", SEEK_SET, CONST_CS | CONST_PERSISTENT);
176 REGISTER_LONG_CONSTANT("SEEK_CUR", SEEK_CUR, CONST_CS | CONST_PERSISTENT);
177 REGISTER_LONG_CONSTANT("SEEK_END", SEEK_END, CONST_CS | CONST_PERSISTENT);
178 REGISTER_LONG_CONSTANT("LOCK_SH", PHP_LOCK_SH, CONST_CS | CONST_PERSISTENT);
179 REGISTER_LONG_CONSTANT("LOCK_EX", PHP_LOCK_EX, CONST_CS | CONST_PERSISTENT);
180 REGISTER_LONG_CONSTANT("LOCK_UN", PHP_LOCK_UN, CONST_CS | CONST_PERSISTENT);
181 REGISTER_LONG_CONSTANT("LOCK_NB", PHP_LOCK_NB, CONST_CS | CONST_PERSISTENT);
182
183 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_CONNECT", PHP_STREAM_NOTIFY_CONNECT, CONST_CS | CONST_PERSISTENT);
184 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_REQUIRED", PHP_STREAM_NOTIFY_AUTH_REQUIRED, CONST_CS | CONST_PERSISTENT);
185 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_RESULT", PHP_STREAM_NOTIFY_AUTH_RESULT, CONST_CS | CONST_PERSISTENT);
186 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_MIME_TYPE_IS", PHP_STREAM_NOTIFY_MIME_TYPE_IS, CONST_CS | CONST_PERSISTENT);
187 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FILE_SIZE_IS", PHP_STREAM_NOTIFY_FILE_SIZE_IS, CONST_CS | CONST_PERSISTENT);
188 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_REDIRECTED", PHP_STREAM_NOTIFY_REDIRECTED, CONST_CS | CONST_PERSISTENT);
189 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_PROGRESS", PHP_STREAM_NOTIFY_PROGRESS, CONST_CS | CONST_PERSISTENT);
190 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FAILURE", PHP_STREAM_NOTIFY_FAILURE, CONST_CS | CONST_PERSISTENT);
191 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_COMPLETED", PHP_STREAM_NOTIFY_COMPLETED, CONST_CS | CONST_PERSISTENT);
192 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_RESOLVE", PHP_STREAM_NOTIFY_RESOLVE, CONST_CS | CONST_PERSISTENT);
193
194 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_INFO", PHP_STREAM_NOTIFY_SEVERITY_INFO, CONST_CS | CONST_PERSISTENT);
195 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_WARN", PHP_STREAM_NOTIFY_SEVERITY_WARN, CONST_CS | CONST_PERSISTENT);
196 REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_ERR", PHP_STREAM_NOTIFY_SEVERITY_ERR, CONST_CS | CONST_PERSISTENT);
197
198 REGISTER_LONG_CONSTANT("STREAM_FILTER_READ", PHP_STREAM_FILTER_READ, CONST_CS | CONST_PERSISTENT);
199 REGISTER_LONG_CONSTANT("STREAM_FILTER_WRITE", PHP_STREAM_FILTER_WRITE, CONST_CS | CONST_PERSISTENT);
200 REGISTER_LONG_CONSTANT("STREAM_FILTER_ALL", PHP_STREAM_FILTER_ALL, CONST_CS | CONST_PERSISTENT);
201
202 REGISTER_LONG_CONSTANT("STREAM_CLIENT_PERSISTENT", PHP_STREAM_CLIENT_PERSISTENT, CONST_CS | CONST_PERSISTENT);
203 REGISTER_LONG_CONSTANT("STREAM_CLIENT_ASYNC_CONNECT", PHP_STREAM_CLIENT_ASYNC_CONNECT, CONST_CS | CONST_PERSISTENT);
204 REGISTER_LONG_CONSTANT("STREAM_CLIENT_CONNECT", PHP_STREAM_CLIENT_CONNECT, CONST_CS | CONST_PERSISTENT);
205
206 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_CLIENT", STREAM_CRYPTO_METHOD_ANY_CLIENT, CONST_CS|CONST_PERSISTENT);
207 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_CLIENT", STREAM_CRYPTO_METHOD_SSLv2_CLIENT, CONST_CS|CONST_PERSISTENT);
208 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_CLIENT", STREAM_CRYPTO_METHOD_SSLv3_CLIENT, CONST_CS|CONST_PERSISTENT);
209 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_CLIENT", STREAM_CRYPTO_METHOD_SSLv23_CLIENT, CONST_CS|CONST_PERSISTENT);
210 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_CLIENT", STREAM_CRYPTO_METHOD_TLS_CLIENT, CONST_CS|CONST_PERSISTENT);
211 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT", STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT, CONST_CS|CONST_PERSISTENT);
212 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT", STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT, CONST_CS|CONST_PERSISTENT);
213 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT", STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT, CONST_CS|CONST_PERSISTENT);
214 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_3_CLIENT", STREAM_CRYPTO_METHOD_TLSv1_3_CLIENT, CONST_CS|CONST_PERSISTENT);
215 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_SERVER", STREAM_CRYPTO_METHOD_ANY_SERVER, CONST_CS|CONST_PERSISTENT);
216 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_SERVER", STREAM_CRYPTO_METHOD_SSLv2_SERVER, CONST_CS|CONST_PERSISTENT);
217 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_SERVER", STREAM_CRYPTO_METHOD_SSLv3_SERVER, CONST_CS|CONST_PERSISTENT);
218 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_SERVER", STREAM_CRYPTO_METHOD_SSLv23_SERVER, CONST_CS|CONST_PERSISTENT);
219 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_SERVER", STREAM_CRYPTO_METHOD_TLS_SERVER, CONST_CS|CONST_PERSISTENT);
220 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_SERVER", STREAM_CRYPTO_METHOD_TLSv1_0_SERVER, CONST_CS|CONST_PERSISTENT);
221 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_SERVER", STREAM_CRYPTO_METHOD_TLSv1_1_SERVER, CONST_CS|CONST_PERSISTENT);
222 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_SERVER", STREAM_CRYPTO_METHOD_TLSv1_2_SERVER, CONST_CS|CONST_PERSISTENT);
223 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_3_SERVER", STREAM_CRYPTO_METHOD_TLSv1_3_SERVER, CONST_CS|CONST_PERSISTENT);
224
225 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_PROTO_SSLv3", STREAM_CRYPTO_METHOD_SSLv3_SERVER, CONST_CS|CONST_PERSISTENT);
226 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_PROTO_TLSv1_0", STREAM_CRYPTO_METHOD_TLSv1_0_SERVER, CONST_CS|CONST_PERSISTENT);
227 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_PROTO_TLSv1_1", STREAM_CRYPTO_METHOD_TLSv1_1_SERVER, CONST_CS|CONST_PERSISTENT);
228 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_PROTO_TLSv1_2", STREAM_CRYPTO_METHOD_TLSv1_2_SERVER, CONST_CS|CONST_PERSISTENT);
229 REGISTER_LONG_CONSTANT("STREAM_CRYPTO_PROTO_TLSv1_3", STREAM_CRYPTO_METHOD_TLSv1_3_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 #if defined(IPPROTO_TCP) || defined(PHP_WIN32)
261 REGISTER_LONG_CONSTANT("STREAM_IPPROTO_TCP", IPPROTO_TCP, CONST_CS|CONST_PERSISTENT);
262 #endif
263
264 #if defined(IPPROTO_UDP) || defined(PHP_WIN32)
265 REGISTER_LONG_CONSTANT("STREAM_IPPROTO_UDP", IPPROTO_UDP, CONST_CS|CONST_PERSISTENT);
266 #endif
267
268 #if defined(IPPROTO_ICMP) || defined(PHP_WIN32)
269 REGISTER_LONG_CONSTANT("STREAM_IPPROTO_ICMP", IPPROTO_ICMP, CONST_CS|CONST_PERSISTENT);
270 #endif
271
272 #if defined(IPPROTO_RAW) || defined(PHP_WIN32)
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);
323 #endif
324 return SUCCESS;
325 }
326 /* }}} */
327
php_flock_common(php_stream * stream,zend_long operation,uint32_t operation_arg_num,zval * wouldblock,zval * return_value)328 PHPAPI void php_flock_common(php_stream *stream, zend_long operation,
329 uint32_t operation_arg_num, zval *wouldblock, zval *return_value)
330 {
331 int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN };
332 int act;
333
334 act = operation & PHP_LOCK_UN;
335 if (act < 1 || act > 3) {
336 zend_argument_value_error(operation_arg_num, "must be one of LOCK_SH, LOCK_EX, or LOCK_UN");
337 RETURN_THROWS();
338 }
339
340 if (wouldblock) {
341 ZEND_TRY_ASSIGN_REF_LONG(wouldblock, 0);
342 }
343
344 /* flock_values contains all possible actions if (operation & PHP_LOCK_NB) we won't block on the lock */
345 act = flock_values[act - 1] | (operation & PHP_LOCK_NB ? LOCK_NB : 0);
346 if (php_stream_lock(stream, act)) {
347 if (operation && errno == EWOULDBLOCK && wouldblock) {
348 ZEND_TRY_ASSIGN_REF_LONG(wouldblock, 1);
349 }
350 RETURN_FALSE;
351 }
352 RETURN_TRUE;
353 }
354
355 /* {{{ Portable file locking */
PHP_FUNCTION(flock)356 PHP_FUNCTION(flock)
357 {
358 zval *res, *wouldblock = NULL;
359 php_stream *stream;
360 zend_long operation = 0;
361
362 ZEND_PARSE_PARAMETERS_START(2, 3)
363 Z_PARAM_RESOURCE(res)
364 Z_PARAM_LONG(operation)
365 Z_PARAM_OPTIONAL
366 Z_PARAM_ZVAL(wouldblock)
367 ZEND_PARSE_PARAMETERS_END();
368
369 PHP_STREAM_TO_ZVAL(stream, res);
370
371 php_flock_common(stream, operation, 2, wouldblock, return_value);
372 }
373 /* }}} */
374
375 #define PHP_META_UNSAFE ".\\+*?[^]$() "
376
377 /* {{{ Extracts all meta tag content attributes from a file and returns an array */
PHP_FUNCTION(get_meta_tags)378 PHP_FUNCTION(get_meta_tags)
379 {
380 char *filename;
381 size_t filename_len;
382 zend_bool use_include_path = 0;
383 int in_tag = 0, done = 0;
384 int looking_for_val = 0, have_name = 0, have_content = 0;
385 int saw_name = 0, saw_content = 0;
386 char *name = NULL, *value = NULL, *temp = NULL;
387 php_meta_tags_token tok, tok_last;
388 php_meta_tags_data md;
389
390 /* Initialize our structure */
391 memset(&md, 0, sizeof(md));
392
393 /* Parse arguments */
394 ZEND_PARSE_PARAMETERS_START(1, 2)
395 Z_PARAM_PATH(filename, filename_len)
396 Z_PARAM_OPTIONAL
397 Z_PARAM_BOOL(use_include_path)
398 ZEND_PARSE_PARAMETERS_END();
399
400 md.stream = php_stream_open_wrapper(filename, "rb",
401 (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
402 NULL);
403 if (!md.stream) {
404 RETURN_FALSE;
405 }
406
407 array_init(return_value);
408
409 tok_last = TOK_EOF;
410
411 while (!done && (tok = php_next_meta_token(&md)) != TOK_EOF) {
412 if (tok == TOK_ID) {
413 if (tok_last == TOK_OPENTAG) {
414 md.in_meta = !strcasecmp("meta", md.token_data);
415 } else if (tok_last == TOK_SLASH && in_tag) {
416 if (strcasecmp("head", md.token_data) == 0) {
417 /* We are done here! */
418 done = 1;
419 }
420 } else if (tok_last == TOK_EQUAL && looking_for_val) {
421 if (saw_name) {
422 if (name) efree(name);
423 /* Get the NAME attr (Single word attr, non-quoted) */
424 temp = name = estrndup(md.token_data, md.token_len);
425
426 while (temp && *temp) {
427 if (strchr(PHP_META_UNSAFE, *temp)) {
428 *temp = '_';
429 }
430 temp++;
431 }
432
433 have_name = 1;
434 } else if (saw_content) {
435 if (value) efree(value);
436 value = estrndup(md.token_data, md.token_len);
437 have_content = 1;
438 }
439
440 looking_for_val = 0;
441 } else {
442 if (md.in_meta) {
443 if (strcasecmp("name", md.token_data) == 0) {
444 saw_name = 1;
445 saw_content = 0;
446 looking_for_val = 1;
447 } else if (strcasecmp("content", md.token_data) == 0) {
448 saw_name = 0;
449 saw_content = 1;
450 looking_for_val = 1;
451 }
452 }
453 }
454 } else if (tok == TOK_STRING && tok_last == TOK_EQUAL && looking_for_val) {
455 if (saw_name) {
456 if (name) efree(name);
457 /* Get the NAME attr (Quoted single/double) */
458 temp = name = estrndup(md.token_data, md.token_len);
459
460 while (temp && *temp) {
461 if (strchr(PHP_META_UNSAFE, *temp)) {
462 *temp = '_';
463 }
464 temp++;
465 }
466
467 have_name = 1;
468 } else if (saw_content) {
469 if (value) efree(value);
470 value = estrndup(md.token_data, md.token_len);
471 have_content = 1;
472 }
473
474 looking_for_val = 0;
475 } else if (tok == TOK_OPENTAG) {
476 if (looking_for_val) {
477 looking_for_val = 0;
478 have_name = saw_name = 0;
479 have_content = saw_content = 0;
480 }
481 in_tag = 1;
482 } else if (tok == TOK_CLOSETAG) {
483 if (have_name) {
484 /* For BC */
485 php_strtolower(name, strlen(name));
486 if (have_content) {
487 add_assoc_string(return_value, name, value);
488 } else {
489 add_assoc_string(return_value, name, "");
490 }
491
492 efree(name);
493 if (value) efree(value);
494 } else if (have_content) {
495 efree(value);
496 }
497
498 name = value = NULL;
499
500 /* Reset all of our flags */
501 in_tag = looking_for_val = 0;
502 have_name = saw_name = 0;
503 have_content = saw_content = 0;
504 md.in_meta = 0;
505 }
506
507 tok_last = tok;
508
509 if (md.token_data)
510 efree(md.token_data);
511
512 md.token_data = NULL;
513 }
514
515 if (value) efree(value);
516 if (name) efree(name);
517 php_stream_close(md.stream);
518 }
519 /* }}} */
520
521 /* {{{ Read the entire file into a string */
PHP_FUNCTION(file_get_contents)522 PHP_FUNCTION(file_get_contents)
523 {
524 char *filename;
525 size_t filename_len;
526 zend_bool use_include_path = 0;
527 php_stream *stream;
528 zend_long offset = 0;
529 zend_long maxlen;
530 zend_bool maxlen_is_null = 1;
531 zval *zcontext = NULL;
532 php_stream_context *context = NULL;
533 zend_string *contents;
534
535 /* Parse arguments */
536 ZEND_PARSE_PARAMETERS_START(1, 5)
537 Z_PARAM_PATH(filename, filename_len)
538 Z_PARAM_OPTIONAL
539 Z_PARAM_BOOL(use_include_path)
540 Z_PARAM_RESOURCE_OR_NULL(zcontext)
541 Z_PARAM_LONG(offset)
542 Z_PARAM_LONG_OR_NULL(maxlen, maxlen_is_null)
543 ZEND_PARSE_PARAMETERS_END();
544
545 if (maxlen_is_null) {
546 maxlen = (ssize_t) PHP_STREAM_COPY_ALL;
547 } else if (maxlen < 0) {
548 zend_argument_value_error(5, "must be greater than or equal to 0");
549 RETURN_THROWS();
550 }
551
552 context = php_stream_context_from_zval(zcontext, 0);
553
554 stream = php_stream_open_wrapper_ex(filename, "rb",
555 (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
556 NULL, context);
557 if (!stream) {
558 RETURN_FALSE;
559 }
560
561 if (offset != 0 && php_stream_seek(stream, offset, ((offset > 0) ? SEEK_SET : SEEK_END)) < 0) {
562 php_error_docref(NULL, E_WARNING, "Failed to seek to position " ZEND_LONG_FMT " in the stream", offset);
563 php_stream_close(stream);
564 RETURN_FALSE;
565 }
566
567 if ((contents = php_stream_copy_to_mem(stream, maxlen, 0)) != NULL) {
568 RETVAL_STR(contents);
569 } else {
570 RETVAL_EMPTY_STRING();
571 }
572
573 php_stream_close(stream);
574 }
575 /* }}} */
576
577 /* {{{ Write/Create a file with contents data and return the number of bytes written */
PHP_FUNCTION(file_put_contents)578 PHP_FUNCTION(file_put_contents)
579 {
580 php_stream *stream;
581 char *filename;
582 size_t filename_len;
583 zval *data;
584 ssize_t numbytes = 0;
585 zend_long flags = 0;
586 zval *zcontext = NULL;
587 php_stream_context *context = NULL;
588 php_stream *srcstream = NULL;
589 char mode[3] = "wb";
590
591 ZEND_PARSE_PARAMETERS_START(2, 4)
592 Z_PARAM_PATH(filename, filename_len)
593 Z_PARAM_ZVAL(data)
594 Z_PARAM_OPTIONAL
595 Z_PARAM_LONG(flags)
596 Z_PARAM_RESOURCE_OR_NULL(zcontext)
597 ZEND_PARSE_PARAMETERS_END();
598
599 if (Z_TYPE_P(data) == IS_RESOURCE) {
600 php_stream_from_zval(srcstream, data);
601 }
602
603 context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
604
605 if (flags & PHP_FILE_APPEND) {
606 mode[0] = 'a';
607 } else if (flags & LOCK_EX) {
608 /* check to make sure we are dealing with a regular file */
609 if (php_memnstr(filename, "://", sizeof("://") - 1, filename + filename_len)) {
610 if (strncasecmp(filename, "file://", sizeof("file://") - 1)) {
611 php_error_docref(NULL, E_WARNING, "Exclusive locks may only be set for regular files");
612 RETURN_FALSE;
613 }
614 }
615 mode[0] = 'c';
616 }
617 mode[2] = '\0';
618
619 stream = php_stream_open_wrapper_ex(filename, mode, ((flags & PHP_FILE_USE_INCLUDE_PATH) ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
620 if (stream == NULL) {
621 RETURN_FALSE;
622 }
623
624 if ((flags & LOCK_EX) && (!php_stream_supports_lock(stream) || php_stream_lock(stream, LOCK_EX))) {
625 php_stream_close(stream);
626 php_error_docref(NULL, E_WARNING, "Exclusive locks are not supported for this stream");
627 RETURN_FALSE;
628 }
629
630 if (mode[0] == 'c') {
631 php_stream_truncate_set_size(stream, 0);
632 }
633
634 switch (Z_TYPE_P(data)) {
635 case IS_RESOURCE: {
636 size_t len;
637 if (php_stream_copy_to_stream_ex(srcstream, stream, PHP_STREAM_COPY_ALL, &len) != SUCCESS) {
638 numbytes = -1;
639 } else {
640 if (len > ZEND_LONG_MAX) {
641 php_error_docref(NULL, E_WARNING, "content truncated from %zu to " ZEND_LONG_FMT " bytes", len, ZEND_LONG_MAX);
642 len = ZEND_LONG_MAX;
643 }
644 numbytes = len;
645 }
646 break;
647 }
648 case IS_NULL:
649 case IS_LONG:
650 case IS_DOUBLE:
651 case IS_FALSE:
652 case IS_TRUE:
653 convert_to_string_ex(data);
654
655 case IS_STRING:
656 if (Z_STRLEN_P(data)) {
657 numbytes = php_stream_write(stream, Z_STRVAL_P(data), Z_STRLEN_P(data));
658 if (numbytes != -1 && numbytes != Z_STRLEN_P(data)) {
659 php_error_docref(NULL, E_WARNING, "Only %zd of %zd bytes written, possibly out of free disk space", numbytes, Z_STRLEN_P(data));
660 numbytes = -1;
661 }
662 }
663 break;
664
665 case IS_ARRAY:
666 if (zend_hash_num_elements(Z_ARRVAL_P(data))) {
667 ssize_t bytes_written;
668 zval *tmp;
669
670 ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(data), tmp) {
671 zend_string *t;
672 zend_string *str = zval_get_tmp_string(tmp, &t);
673 if (ZSTR_LEN(str)) {
674 numbytes += ZSTR_LEN(str);
675 bytes_written = php_stream_write(stream, ZSTR_VAL(str), ZSTR_LEN(str));
676 if (bytes_written != ZSTR_LEN(str)) {
677 php_error_docref(NULL, E_WARNING, "Failed to write %zd bytes to %s", ZSTR_LEN(str), filename);
678 zend_tmp_string_release(t);
679 numbytes = -1;
680 break;
681 }
682 }
683 zend_tmp_string_release(t);
684 } ZEND_HASH_FOREACH_END();
685 }
686 break;
687
688 case IS_OBJECT:
689 if (Z_OBJ_HT_P(data) != NULL) {
690 zval out;
691
692 if (zend_std_cast_object_tostring(Z_OBJ_P(data), &out, IS_STRING) == SUCCESS) {
693 numbytes = php_stream_write(stream, Z_STRVAL(out), Z_STRLEN(out));
694 if (numbytes != -1 && numbytes != Z_STRLEN(out)) {
695 php_error_docref(NULL, E_WARNING, "Only %zd of %zd bytes written, possibly out of free disk space", numbytes, Z_STRLEN(out));
696 numbytes = -1;
697 }
698 zval_ptr_dtor_str(&out);
699 break;
700 }
701 }
702 default:
703 numbytes = -1;
704 break;
705 }
706 php_stream_close(stream);
707
708 if (numbytes < 0) {
709 RETURN_FALSE;
710 }
711
712 RETURN_LONG(numbytes);
713 }
714 /* }}} */
715
716 #define PHP_FILE_BUF_SIZE 80
717
718 /* {{{ Read entire file into an array */
PHP_FUNCTION(file)719 PHP_FUNCTION(file)
720 {
721 char *filename;
722 size_t filename_len;
723 char *p, *s, *e;
724 register int i = 0;
725 char eol_marker = '\n';
726 zend_long flags = 0;
727 zend_bool use_include_path;
728 zend_bool include_new_line;
729 zend_bool skip_blank_lines;
730 php_stream *stream;
731 zval *zcontext = NULL;
732 php_stream_context *context = NULL;
733 zend_string *target_buf;
734
735 /* Parse arguments */
736 ZEND_PARSE_PARAMETERS_START(1, 3)
737 Z_PARAM_PATH(filename, filename_len)
738 Z_PARAM_OPTIONAL
739 Z_PARAM_LONG(flags)
740 Z_PARAM_RESOURCE_OR_NULL(zcontext)
741 ZEND_PARSE_PARAMETERS_END();
742
743 if (flags < 0 || flags > (PHP_FILE_USE_INCLUDE_PATH | PHP_FILE_IGNORE_NEW_LINES | PHP_FILE_SKIP_EMPTY_LINES | PHP_FILE_NO_DEFAULT_CONTEXT)) {
744 zend_argument_value_error(2, "must be a valid flag value");
745 RETURN_THROWS();
746 }
747
748 use_include_path = flags & PHP_FILE_USE_INCLUDE_PATH;
749 include_new_line = !(flags & PHP_FILE_IGNORE_NEW_LINES);
750 skip_blank_lines = flags & PHP_FILE_SKIP_EMPTY_LINES;
751
752 context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
753
754 stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
755 if (!stream) {
756 RETURN_FALSE;
757 }
758
759 /* Initialize return array */
760 array_init(return_value);
761
762 if ((target_buf = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0)) != NULL) {
763 s = ZSTR_VAL(target_buf);
764 e = ZSTR_VAL(target_buf) + ZSTR_LEN(target_buf);
765
766 if (!(p = (char*)php_stream_locate_eol(stream, target_buf))) {
767 p = e;
768 goto parse_eol;
769 }
770
771 if (stream->flags & PHP_STREAM_FLAG_EOL_MAC) {
772 eol_marker = '\r';
773 }
774
775 /* for performance reasons the code is duplicated, so that the if (include_new_line)
776 * will not need to be done for every single line in the file. */
777 if (include_new_line) {
778 do {
779 p++;
780 parse_eol:
781 add_index_stringl(return_value, i++, s, p-s);
782 s = p;
783 } while ((p = memchr(p, eol_marker, (e-p))));
784 } else {
785 do {
786 int windows_eol = 0;
787 if (p != ZSTR_VAL(target_buf) && eol_marker == '\n' && *(p - 1) == '\r') {
788 windows_eol++;
789 }
790 if (skip_blank_lines && !(p-s-windows_eol)) {
791 s = ++p;
792 continue;
793 }
794 add_index_stringl(return_value, i++, s, p-s-windows_eol);
795 s = ++p;
796 } while ((p = memchr(p, eol_marker, (e-p))));
797 }
798
799 /* handle any left overs of files without new lines */
800 if (s != e) {
801 p = e;
802 goto parse_eol;
803 }
804 }
805
806 if (target_buf) {
807 zend_string_free(target_buf);
808 }
809 php_stream_close(stream);
810 }
811 /* }}} */
812
813 /* {{{ Create a unique filename in a directory */
PHP_FUNCTION(tempnam)814 PHP_FUNCTION(tempnam)
815 {
816 char *dir, *prefix;
817 size_t dir_len, prefix_len;
818 zend_string *opened_path;
819 int fd;
820 zend_string *p;
821
822 ZEND_PARSE_PARAMETERS_START(2, 2)
823 Z_PARAM_PATH(dir, dir_len)
824 Z_PARAM_PATH(prefix, prefix_len)
825 ZEND_PARSE_PARAMETERS_END();
826
827 p = php_basename(prefix, prefix_len, NULL, 0);
828 if (ZSTR_LEN(p) > 64) {
829 ZSTR_VAL(p)[63] = '\0';
830 }
831
832 RETVAL_FALSE;
833
834 if ((fd = php_open_temporary_fd_ex(dir, ZSTR_VAL(p), &opened_path, PHP_TMP_FILE_OPEN_BASEDIR_CHECK_ALWAYS)) >= 0) {
835 close(fd);
836 RETVAL_STR(opened_path);
837 }
838 zend_string_release_ex(p, 0);
839 }
840 /* }}} */
841
842 /* {{{ Create a temporary file that will be deleted automatically after use */
PHP_FUNCTION(tmpfile)843 PHP_FUNCTION(tmpfile)
844 {
845 php_stream *stream;
846
847 ZEND_PARSE_PARAMETERS_NONE();
848
849 stream = php_stream_fopen_tmpfile();
850
851 if (stream) {
852 php_stream_to_zval(stream, return_value);
853 } else {
854 RETURN_FALSE;
855 }
856 }
857 /* }}} */
858
859 /* {{{ Open a file or a URL and return a file pointer */
PHP_FUNCTION(fopen)860 PHP_FUNCTION(fopen)
861 {
862 char *filename, *mode;
863 size_t filename_len, mode_len;
864 zend_bool use_include_path = 0;
865 zval *zcontext = NULL;
866 php_stream *stream;
867 php_stream_context *context = NULL;
868
869 ZEND_PARSE_PARAMETERS_START(2, 4)
870 Z_PARAM_PATH(filename, filename_len)
871 Z_PARAM_STRING(mode, mode_len)
872 Z_PARAM_OPTIONAL
873 Z_PARAM_BOOL(use_include_path)
874 Z_PARAM_RESOURCE_OR_NULL(zcontext)
875 ZEND_PARSE_PARAMETERS_END();
876
877 context = php_stream_context_from_zval(zcontext, 0);
878
879 stream = php_stream_open_wrapper_ex(filename, mode, (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
880
881 if (stream == NULL) {
882 RETURN_FALSE;
883 }
884
885 php_stream_to_zval(stream, return_value);
886 }
887 /* }}} */
888
889 /* {{{ Close an open file pointer */
PHP_FUNCTION(fclose)890 PHPAPI PHP_FUNCTION(fclose)
891 {
892 zval *res;
893 php_stream *stream;
894
895 ZEND_PARSE_PARAMETERS_START(1, 1)
896 Z_PARAM_RESOURCE(res)
897 ZEND_PARSE_PARAMETERS_END();
898
899 PHP_STREAM_TO_ZVAL(stream, res);
900
901 if ((stream->flags & PHP_STREAM_FLAG_NO_FCLOSE) != 0) {
902 php_error_docref(NULL, E_WARNING, "%d is not a valid stream resource", stream->res->handle);
903 RETURN_FALSE;
904 }
905
906 php_stream_free(stream,
907 PHP_STREAM_FREE_KEEP_RSRC |
908 (stream->is_persistent ? PHP_STREAM_FREE_CLOSE_PERSISTENT : PHP_STREAM_FREE_CLOSE));
909
910 RETURN_TRUE;
911 }
912 /* }}} */
913
914 /* {{{ Execute a command and open either a read or a write pipe to it */
PHP_FUNCTION(popen)915 PHP_FUNCTION(popen)
916 {
917 char *command, *mode;
918 size_t command_len, mode_len;
919 FILE *fp;
920 php_stream *stream;
921 char *posix_mode;
922
923 ZEND_PARSE_PARAMETERS_START(2, 2)
924 Z_PARAM_PATH(command, command_len)
925 Z_PARAM_STRING(mode, mode_len)
926 ZEND_PARSE_PARAMETERS_END();
927
928 posix_mode = estrndup(mode, mode_len);
929 #ifndef PHP_WIN32
930 {
931 char *z = memchr(posix_mode, 'b', mode_len);
932 if (z) {
933 memmove(z, z + 1, mode_len - (z - posix_mode));
934 mode_len--;
935 }
936 }
937 #endif
938
939 /* Musl only partially validates the mode. Manually check it to ensure consistent behavior. */
940 if (mode_len > 2 ||
941 (mode_len == 1 && (*posix_mode != 'r' && *posix_mode != 'w')) ||
942 (mode_len == 2 && (memcmp(posix_mode, "rb", 2) && memcmp(posix_mode, "wb", 2)))
943 ) {
944 zend_argument_value_error(2, "must be one of \"r\", \"rb\", \"w\", or \"wb\"");
945 efree(posix_mode);
946 RETURN_THROWS();
947 }
948
949 fp = VCWD_POPEN(command, posix_mode);
950 if (!fp) {
951 php_error_docref2(NULL, command, posix_mode, E_WARNING, "%s", strerror(errno));
952 efree(posix_mode);
953 RETURN_FALSE;
954 }
955
956 stream = php_stream_fopen_from_pipe(fp, mode);
957
958 if (stream == NULL) {
959 php_error_docref2(NULL, command, mode, E_WARNING, "%s", strerror(errno));
960 RETVAL_FALSE;
961 } else {
962 php_stream_to_zval(stream, return_value);
963 }
964
965 efree(posix_mode);
966 }
967 /* }}} */
968
969 /* {{{ Close a file pointer opened by popen() */
PHP_FUNCTION(pclose)970 PHP_FUNCTION(pclose)
971 {
972 zval *res;
973 php_stream *stream;
974
975 ZEND_PARSE_PARAMETERS_START(1, 1)
976 Z_PARAM_RESOURCE(res)
977 ZEND_PARSE_PARAMETERS_END();
978
979 PHP_STREAM_TO_ZVAL(stream, res);
980
981 FG(pclose_wait) = 1;
982 zend_list_close(stream->res);
983 FG(pclose_wait) = 0;
984 RETURN_LONG(FG(pclose_ret));
985 }
986 /* }}} */
987
988 /* {{{ Test for end-of-file on a file pointer */
PHP_FUNCTION(feof)989 PHPAPI PHP_FUNCTION(feof)
990 {
991 zval *res;
992 php_stream *stream;
993
994 ZEND_PARSE_PARAMETERS_START(1, 1)
995 Z_PARAM_RESOURCE(res)
996 ZEND_PARSE_PARAMETERS_END();
997
998 PHP_STREAM_TO_ZVAL(stream, res);
999
1000 if (php_stream_eof(stream)) {
1001 RETURN_TRUE;
1002 } else {
1003 RETURN_FALSE;
1004 }
1005 }
1006 /* }}} */
1007
1008 /* {{{ Get a line from file pointer */
PHP_FUNCTION(fgets)1009 PHPAPI PHP_FUNCTION(fgets)
1010 {
1011 zval *res;
1012 zend_long len = 1024;
1013 zend_bool len_is_null = 1;
1014 char *buf = NULL;
1015 size_t line_len = 0;
1016 zend_string *str;
1017 php_stream *stream;
1018
1019 ZEND_PARSE_PARAMETERS_START(1, 2)
1020 Z_PARAM_RESOURCE(res)
1021 Z_PARAM_OPTIONAL
1022 Z_PARAM_LONG_OR_NULL(len, len_is_null)
1023 ZEND_PARSE_PARAMETERS_END();
1024
1025 PHP_STREAM_TO_ZVAL(stream, res);
1026
1027 if (len_is_null) {
1028 /* ask streams to give us a buffer of an appropriate size */
1029 buf = php_stream_get_line(stream, NULL, 0, &line_len);
1030 if (buf == NULL) {
1031 RETURN_FALSE;
1032 }
1033 // TODO: avoid reallocation ???
1034 RETVAL_STRINGL(buf, line_len);
1035 efree(buf);
1036 } else {
1037 if (len <= 0) {
1038 zend_argument_value_error(2, "must be greater than 0");
1039 RETURN_THROWS();
1040 }
1041
1042 str = zend_string_alloc(len, 0);
1043 if (php_stream_get_line(stream, ZSTR_VAL(str), len, &line_len) == NULL) {
1044 zend_string_efree(str);
1045 RETURN_FALSE;
1046 }
1047 /* resize buffer if it's much larger than the result.
1048 * Only needed if the user requested a buffer size. */
1049 if (line_len < (size_t)len / 2) {
1050 str = zend_string_truncate(str, line_len, 0);
1051 } else {
1052 ZSTR_LEN(str) = line_len;
1053 }
1054 RETURN_NEW_STR(str);
1055 }
1056 }
1057 /* }}} */
1058
1059 /* {{{ Get a character from file pointer */
PHP_FUNCTION(fgetc)1060 PHPAPI PHP_FUNCTION(fgetc)
1061 {
1062 zval *res;
1063 char buf[2];
1064 int result;
1065 php_stream *stream;
1066
1067 ZEND_PARSE_PARAMETERS_START(1, 1)
1068 Z_PARAM_RESOURCE(res)
1069 ZEND_PARSE_PARAMETERS_END();
1070
1071 PHP_STREAM_TO_ZVAL(stream, res);
1072
1073 result = php_stream_getc(stream);
1074
1075 if (result == EOF) {
1076 RETVAL_FALSE;
1077 } else {
1078 buf[0] = result;
1079 buf[1] = '\0';
1080
1081 RETURN_STRINGL(buf, 1);
1082 }
1083 }
1084 /* }}} */
1085
1086 /* {{{ Implements a mostly ANSI compatible fscanf() */
PHP_FUNCTION(fscanf)1087 PHP_FUNCTION(fscanf)
1088 {
1089 int result, argc = 0;
1090 size_t format_len;
1091 zval *args = NULL;
1092 zval *file_handle;
1093 char *buf, *format;
1094 size_t len;
1095 void *what;
1096
1097 ZEND_PARSE_PARAMETERS_START(2, -1)
1098 Z_PARAM_RESOURCE(file_handle)
1099 Z_PARAM_STRING(format, format_len)
1100 Z_PARAM_VARIADIC('*', args, argc)
1101 ZEND_PARSE_PARAMETERS_END();
1102
1103 what = zend_fetch_resource2(Z_RES_P(file_handle), "File-Handle", php_file_le_stream(), php_file_le_pstream());
1104
1105 /* we can't do a ZEND_VERIFY_RESOURCE(what), otherwise we end up
1106 * with a leak if we have an invalid filehandle. This needs changing
1107 * if the code behind ZEND_VERIFY_RESOURCE changed. - cc */
1108 if (!what) {
1109 RETURN_THROWS();
1110 }
1111
1112 buf = php_stream_get_line((php_stream *) what, NULL, 0, &len);
1113 if (buf == NULL) {
1114 RETURN_FALSE;
1115 }
1116
1117 result = php_sscanf_internal(buf, format, argc, args, 0, return_value);
1118
1119 efree(buf);
1120
1121 if (SCAN_ERROR_WRONG_PARAM_COUNT == result) {
1122 WRONG_PARAM_COUNT;
1123 }
1124 }
1125 /* }}} */
1126
1127 /* {{{ Binary-safe file write */
PHP_FUNCTION(fwrite)1128 PHPAPI PHP_FUNCTION(fwrite)
1129 {
1130 zval *res;
1131 char *input;
1132 size_t inputlen;
1133 ssize_t ret;
1134 size_t num_bytes;
1135 zend_long maxlen = 0;
1136 zend_bool maxlen_is_null = 1;
1137 php_stream *stream;
1138
1139 ZEND_PARSE_PARAMETERS_START(2, 3)
1140 Z_PARAM_RESOURCE(res)
1141 Z_PARAM_STRING(input, inputlen)
1142 Z_PARAM_OPTIONAL
1143 Z_PARAM_LONG_OR_NULL(maxlen, maxlen_is_null)
1144 ZEND_PARSE_PARAMETERS_END();
1145
1146 if (maxlen_is_null) {
1147 num_bytes = inputlen;
1148 } else if (maxlen <= 0) {
1149 num_bytes = 0;
1150 } else {
1151 num_bytes = MIN((size_t) maxlen, inputlen);
1152 }
1153
1154 if (!num_bytes) {
1155 RETURN_LONG(0);
1156 }
1157
1158 PHP_STREAM_TO_ZVAL(stream, res);
1159
1160 ret = php_stream_write(stream, input, num_bytes);
1161 if (ret < 0) {
1162 RETURN_FALSE;
1163 }
1164
1165 RETURN_LONG(ret);
1166 }
1167 /* }}} */
1168
1169 /* {{{ Flushes output */
PHP_FUNCTION(fflush)1170 PHPAPI PHP_FUNCTION(fflush)
1171 {
1172 zval *res;
1173 int ret;
1174 php_stream *stream;
1175
1176 ZEND_PARSE_PARAMETERS_START(1, 1)
1177 Z_PARAM_RESOURCE(res)
1178 ZEND_PARSE_PARAMETERS_END();
1179
1180 PHP_STREAM_TO_ZVAL(stream, res);
1181
1182 ret = php_stream_flush(stream);
1183 if (ret) {
1184 RETURN_FALSE;
1185 }
1186 RETURN_TRUE;
1187 }
1188 /* }}} */
1189
1190 /* {{{ Rewind the position of a file pointer */
PHP_FUNCTION(rewind)1191 PHPAPI PHP_FUNCTION(rewind)
1192 {
1193 zval *res;
1194 php_stream *stream;
1195
1196 ZEND_PARSE_PARAMETERS_START(1, 1)
1197 Z_PARAM_RESOURCE(res)
1198 ZEND_PARSE_PARAMETERS_END();
1199
1200 PHP_STREAM_TO_ZVAL(stream, res);
1201
1202 if (-1 == php_stream_rewind(stream)) {
1203 RETURN_FALSE;
1204 }
1205 RETURN_TRUE;
1206 }
1207 /* }}} */
1208
1209 /* {{{ Get file pointer's read/write position */
PHP_FUNCTION(ftell)1210 PHPAPI PHP_FUNCTION(ftell)
1211 {
1212 zval *res;
1213 zend_long ret;
1214 php_stream *stream;
1215
1216 ZEND_PARSE_PARAMETERS_START(1, 1)
1217 Z_PARAM_RESOURCE(res)
1218 ZEND_PARSE_PARAMETERS_END();
1219
1220 PHP_STREAM_TO_ZVAL(stream, res);
1221
1222 ret = php_stream_tell(stream);
1223 if (ret == -1) {
1224 RETURN_FALSE;
1225 }
1226 RETURN_LONG(ret);
1227 }
1228 /* }}} */
1229
1230 /* {{{ Seek on a file pointer */
PHP_FUNCTION(fseek)1231 PHPAPI PHP_FUNCTION(fseek)
1232 {
1233 zval *res;
1234 zend_long offset, whence = SEEK_SET;
1235 php_stream *stream;
1236
1237 ZEND_PARSE_PARAMETERS_START(2, 3)
1238 Z_PARAM_RESOURCE(res)
1239 Z_PARAM_LONG(offset)
1240 Z_PARAM_OPTIONAL
1241 Z_PARAM_LONG(whence)
1242 ZEND_PARSE_PARAMETERS_END();
1243
1244 PHP_STREAM_TO_ZVAL(stream, res);
1245
1246 RETURN_LONG(php_stream_seek(stream, offset, (int) whence));
1247 }
1248 /* }}} */
1249
1250 /* {{{ php_mkdir */
1251
1252 /* DEPRECATED APIs: Use php_stream_mkdir() instead */
php_mkdir_ex(const char * dir,zend_long mode,int options)1253 PHPAPI int php_mkdir_ex(const char *dir, zend_long mode, int options)
1254 {
1255 int ret;
1256
1257 if (php_check_open_basedir(dir)) {
1258 return -1;
1259 }
1260
1261 if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0 && (options & REPORT_ERRORS)) {
1262 php_error_docref(NULL, E_WARNING, "%s", strerror(errno));
1263 }
1264
1265 return ret;
1266 }
1267
php_mkdir(const char * dir,zend_long mode)1268 PHPAPI int php_mkdir(const char *dir, zend_long mode)
1269 {
1270 return php_mkdir_ex(dir, mode, REPORT_ERRORS);
1271 }
1272 /* }}} */
1273
1274 /* {{{ Create a directory */
PHP_FUNCTION(mkdir)1275 PHP_FUNCTION(mkdir)
1276 {
1277 char *dir;
1278 size_t dir_len;
1279 zval *zcontext = NULL;
1280 zend_long mode = 0777;
1281 zend_bool recursive = 0;
1282 php_stream_context *context;
1283
1284 ZEND_PARSE_PARAMETERS_START(1, 4)
1285 Z_PARAM_PATH(dir, dir_len)
1286 Z_PARAM_OPTIONAL
1287 Z_PARAM_LONG(mode)
1288 Z_PARAM_BOOL(recursive)
1289 Z_PARAM_RESOURCE_OR_NULL(zcontext)
1290 ZEND_PARSE_PARAMETERS_END();
1291
1292 context = php_stream_context_from_zval(zcontext, 0);
1293
1294 RETURN_BOOL(php_stream_mkdir(dir, (int)mode, (recursive ? PHP_STREAM_MKDIR_RECURSIVE : 0) | REPORT_ERRORS, context));
1295 }
1296 /* }}} */
1297
1298 /* {{{ Remove a directory */
PHP_FUNCTION(rmdir)1299 PHP_FUNCTION(rmdir)
1300 {
1301 char *dir;
1302 size_t dir_len;
1303 zval *zcontext = NULL;
1304 php_stream_context *context;
1305
1306 ZEND_PARSE_PARAMETERS_START(1, 2)
1307 Z_PARAM_PATH(dir, dir_len)
1308 Z_PARAM_OPTIONAL
1309 Z_PARAM_RESOURCE_OR_NULL(zcontext)
1310 ZEND_PARSE_PARAMETERS_END();
1311
1312 context = php_stream_context_from_zval(zcontext, 0);
1313
1314 RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context));
1315 }
1316 /* }}} */
1317
1318 /* {{{ Output a file or a URL */
PHP_FUNCTION(readfile)1319 PHP_FUNCTION(readfile)
1320 {
1321 char *filename;
1322 size_t filename_len;
1323 size_t size = 0;
1324 zend_bool use_include_path = 0;
1325 zval *zcontext = NULL;
1326 php_stream *stream;
1327 php_stream_context *context = NULL;
1328
1329 ZEND_PARSE_PARAMETERS_START(1, 3)
1330 Z_PARAM_PATH(filename, filename_len)
1331 Z_PARAM_OPTIONAL
1332 Z_PARAM_BOOL(use_include_path)
1333 Z_PARAM_RESOURCE_OR_NULL(zcontext)
1334 ZEND_PARSE_PARAMETERS_END();
1335
1336 context = php_stream_context_from_zval(zcontext, 0);
1337
1338 stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
1339 if (stream) {
1340 size = php_stream_passthru(stream);
1341 php_stream_close(stream);
1342 RETURN_LONG(size);
1343 }
1344
1345 RETURN_FALSE;
1346 }
1347 /* }}} */
1348
1349 /* {{{ Return or change the umask */
PHP_FUNCTION(umask)1350 PHP_FUNCTION(umask)
1351 {
1352 zend_long mask = 0;
1353 zend_bool mask_is_null = 1;
1354 int oldumask;
1355
1356 ZEND_PARSE_PARAMETERS_START(0, 1)
1357 Z_PARAM_OPTIONAL
1358 Z_PARAM_LONG_OR_NULL(mask, mask_is_null)
1359 ZEND_PARSE_PARAMETERS_END();
1360
1361 oldumask = umask(077);
1362
1363 if (BG(umask) == -1) {
1364 BG(umask) = oldumask;
1365 }
1366
1367 if (mask_is_null) {
1368 umask(oldumask);
1369 } else {
1370 umask((int) mask);
1371 }
1372
1373 RETURN_LONG(oldumask);
1374 }
1375 /* }}} */
1376
1377 /* {{{ Output all remaining data from a file pointer */
PHP_FUNCTION(fpassthru)1378 PHPAPI PHP_FUNCTION(fpassthru)
1379 {
1380 zval *res;
1381 size_t size;
1382 php_stream *stream;
1383
1384 ZEND_PARSE_PARAMETERS_START(1, 1)
1385 Z_PARAM_RESOURCE(res)
1386 ZEND_PARSE_PARAMETERS_END();
1387
1388 PHP_STREAM_TO_ZVAL(stream, res);
1389
1390 size = php_stream_passthru(stream);
1391 RETURN_LONG(size);
1392 }
1393 /* }}} */
1394
1395 /* {{{ Rename a file */
PHP_FUNCTION(rename)1396 PHP_FUNCTION(rename)
1397 {
1398 char *old_name, *new_name;
1399 size_t old_name_len, new_name_len;
1400 zval *zcontext = NULL;
1401 php_stream_wrapper *wrapper;
1402 php_stream_context *context;
1403
1404 ZEND_PARSE_PARAMETERS_START(2, 3)
1405 Z_PARAM_PATH(old_name, old_name_len)
1406 Z_PARAM_PATH(new_name, new_name_len)
1407 Z_PARAM_OPTIONAL
1408 Z_PARAM_RESOURCE_OR_NULL(zcontext)
1409 ZEND_PARSE_PARAMETERS_END();
1410
1411 wrapper = php_stream_locate_url_wrapper(old_name, NULL, 0);
1412
1413 if (!wrapper || !wrapper->wops) {
1414 php_error_docref(NULL, E_WARNING, "Unable to locate stream wrapper");
1415 RETURN_FALSE;
1416 }
1417
1418 if (!wrapper->wops->rename) {
1419 php_error_docref(NULL, E_WARNING, "%s wrapper does not support renaming", wrapper->wops->label ? wrapper->wops->label : "Source");
1420 RETURN_FALSE;
1421 }
1422
1423 if (wrapper != php_stream_locate_url_wrapper(new_name, NULL, 0)) {
1424 php_error_docref(NULL, E_WARNING, "Cannot rename a file across wrapper types");
1425 RETURN_FALSE;
1426 }
1427
1428 context = php_stream_context_from_zval(zcontext, 0);
1429
1430 RETURN_BOOL(wrapper->wops->rename(wrapper, old_name, new_name, 0, context));
1431 }
1432 /* }}} */
1433
1434 /* {{{ Delete a file */
PHP_FUNCTION(unlink)1435 PHP_FUNCTION(unlink)
1436 {
1437 char *filename;
1438 size_t filename_len;
1439 php_stream_wrapper *wrapper;
1440 zval *zcontext = NULL;
1441 php_stream_context *context = NULL;
1442
1443 ZEND_PARSE_PARAMETERS_START(1, 2)
1444 Z_PARAM_PATH(filename, filename_len)
1445 Z_PARAM_OPTIONAL
1446 Z_PARAM_RESOURCE_OR_NULL(zcontext)
1447 ZEND_PARSE_PARAMETERS_END();
1448
1449 context = php_stream_context_from_zval(zcontext, 0);
1450
1451 wrapper = php_stream_locate_url_wrapper(filename, NULL, 0);
1452
1453 if (!wrapper || !wrapper->wops) {
1454 php_error_docref(NULL, E_WARNING, "Unable to locate stream wrapper");
1455 RETURN_FALSE;
1456 }
1457
1458 if (!wrapper->wops->unlink) {
1459 php_error_docref(NULL, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper");
1460 RETURN_FALSE;
1461 }
1462 RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, REPORT_ERRORS, context));
1463 }
1464 /* }}} */
1465
1466 /* {{{ Truncate file to 'size' length */
PHP_FUNCTION(ftruncate)1467 PHP_FUNCTION(ftruncate)
1468 {
1469 zval *fp;
1470 zend_long size;
1471 php_stream *stream;
1472
1473 ZEND_PARSE_PARAMETERS_START(2, 2)
1474 Z_PARAM_RESOURCE(fp)
1475 Z_PARAM_LONG(size)
1476 ZEND_PARSE_PARAMETERS_END();
1477
1478 if (size < 0) {
1479 zend_argument_value_error(2, "must be greater than or equal to 0");
1480 RETURN_THROWS();
1481 }
1482
1483 PHP_STREAM_TO_ZVAL(stream, fp);
1484
1485 if (!php_stream_truncate_supported(stream)) {
1486 php_error_docref(NULL, E_WARNING, "Can't truncate this stream!");
1487 RETURN_FALSE;
1488 }
1489
1490 RETURN_BOOL(0 == php_stream_truncate_set_size(stream, size));
1491 }
1492 /* }}} */
php_fstat(php_stream * stream,zval * return_value)1493 PHPAPI void php_fstat(php_stream *stream, zval *return_value)
1494 {
1495 php_stream_statbuf stat_ssb;
1496 zval stat_dev, stat_ino, stat_mode, stat_nlink, stat_uid, stat_gid, stat_rdev,
1497 stat_size, stat_atime, stat_mtime, stat_ctime, stat_blksize, stat_blocks;
1498 char *stat_sb_names[13] = {
1499 "dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
1500 "size", "atime", "mtime", "ctime", "blksize", "blocks"
1501 };
1502
1503 if (php_stream_stat(stream, &stat_ssb)) {
1504 RETURN_FALSE;
1505 }
1506
1507 array_init(return_value);
1508
1509 ZVAL_LONG(&stat_dev, stat_ssb.sb.st_dev);
1510 ZVAL_LONG(&stat_ino, stat_ssb.sb.st_ino);
1511 ZVAL_LONG(&stat_mode, stat_ssb.sb.st_mode);
1512 ZVAL_LONG(&stat_nlink, stat_ssb.sb.st_nlink);
1513 ZVAL_LONG(&stat_uid, stat_ssb.sb.st_uid);
1514 ZVAL_LONG(&stat_gid, stat_ssb.sb.st_gid);
1515 #ifdef HAVE_STRUCT_STAT_ST_RDEV
1516 ZVAL_LONG(&stat_rdev, stat_ssb.sb.st_rdev);
1517 #else
1518 ZVAL_LONG(&stat_rdev, -1);
1519 #endif
1520 ZVAL_LONG(&stat_size, stat_ssb.sb.st_size);
1521 ZVAL_LONG(&stat_atime, stat_ssb.sb.st_atime);
1522 ZVAL_LONG(&stat_mtime, stat_ssb.sb.st_mtime);
1523 ZVAL_LONG(&stat_ctime, stat_ssb.sb.st_ctime);
1524 #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
1525 ZVAL_LONG(&stat_blksize, stat_ssb.sb.st_blksize);
1526 #else
1527 ZVAL_LONG(&stat_blksize,-1);
1528 #endif
1529 #ifdef HAVE_STRUCT_STAT_ST_BLOCKS
1530 ZVAL_LONG(&stat_blocks, stat_ssb.sb.st_blocks);
1531 #else
1532 ZVAL_LONG(&stat_blocks,-1);
1533 #endif
1534 /* Store numeric indexes in proper order */
1535 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_dev);
1536 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_ino);
1537 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_mode);
1538 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_nlink);
1539 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_uid);
1540 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_gid);
1541 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_rdev);
1542 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_size);
1543 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_atime);
1544 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_mtime);
1545 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_ctime);
1546 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_blksize);
1547 zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_blocks);
1548
1549 /* Store string indexes referencing the same zval*/
1550 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[0], strlen(stat_sb_names[0]), &stat_dev);
1551 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[1], strlen(stat_sb_names[1]), &stat_ino);
1552 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[2], strlen(stat_sb_names[2]), &stat_mode);
1553 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[3], strlen(stat_sb_names[3]), &stat_nlink);
1554 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[4], strlen(stat_sb_names[4]), &stat_uid);
1555 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[5], strlen(stat_sb_names[5]), &stat_gid);
1556 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[6], strlen(stat_sb_names[6]), &stat_rdev);
1557 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[7], strlen(stat_sb_names[7]), &stat_size);
1558 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[8], strlen(stat_sb_names[8]), &stat_atime);
1559 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[9], strlen(stat_sb_names[9]), &stat_mtime);
1560 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[10], strlen(stat_sb_names[10]), &stat_ctime);
1561 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[11], strlen(stat_sb_names[11]), &stat_blksize);
1562 zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[12], strlen(stat_sb_names[12]), &stat_blocks);
1563 }
1564
1565 /* {{{ Stat() on a filehandle */
PHP_FUNCTION(fstat)1566 PHP_FUNCTION(fstat)
1567 {
1568 zval *fp;
1569 php_stream *stream;
1570
1571 ZEND_PARSE_PARAMETERS_START(1, 1)
1572 Z_PARAM_RESOURCE(fp)
1573 ZEND_PARSE_PARAMETERS_END();
1574
1575 PHP_STREAM_TO_ZVAL(stream, fp);
1576
1577 php_fstat(stream, return_value);
1578 }
1579 /* }}} */
1580
1581 /* {{{ Copy a file */
PHP_FUNCTION(copy)1582 PHP_FUNCTION(copy)
1583 {
1584 char *source, *target;
1585 size_t source_len, target_len;
1586 zval *zcontext = NULL;
1587 php_stream_context *context;
1588
1589 ZEND_PARSE_PARAMETERS_START(2, 3)
1590 Z_PARAM_PATH(source, source_len)
1591 Z_PARAM_PATH(target, target_len)
1592 Z_PARAM_OPTIONAL
1593 Z_PARAM_RESOURCE_OR_NULL(zcontext)
1594 ZEND_PARSE_PARAMETERS_END();
1595
1596 if (php_stream_locate_url_wrapper(source, NULL, 0) == &php_plain_files_wrapper && php_check_open_basedir(source)) {
1597 RETURN_FALSE;
1598 }
1599
1600 context = php_stream_context_from_zval(zcontext, 0);
1601
1602 if (php_copy_file_ctx(source, target, 0, context) == SUCCESS) {
1603 RETURN_TRUE;
1604 } else {
1605 RETURN_FALSE;
1606 }
1607 }
1608 /* }}} */
1609
1610 /* {{{ php_copy_file */
php_copy_file(const char * src,const char * dest)1611 PHPAPI int php_copy_file(const char *src, const char *dest)
1612 {
1613 return php_copy_file_ctx(src, dest, 0, NULL);
1614 }
1615 /* }}} */
1616
1617 /* {{{ php_copy_file_ex */
php_copy_file_ex(const char * src,const char * dest,int src_flg)1618 PHPAPI int php_copy_file_ex(const char *src, const char *dest, int src_flg)
1619 {
1620 return php_copy_file_ctx(src, dest, src_flg, NULL);
1621 }
1622 /* }}} */
1623
1624 /* {{{ php_copy_file_ctx */
php_copy_file_ctx(const char * src,const char * dest,int src_flg,php_stream_context * ctx)1625 PHPAPI int php_copy_file_ctx(const char *src, const char *dest, int src_flg, php_stream_context *ctx)
1626 {
1627 php_stream *srcstream = NULL, *deststream = NULL;
1628 int ret = FAILURE;
1629 php_stream_statbuf src_s, dest_s;
1630
1631 switch (php_stream_stat_path_ex(src, 0, &src_s, ctx)) {
1632 case -1:
1633 /* non-statable stream */
1634 goto safe_to_copy;
1635 break;
1636 case 0:
1637 break;
1638 default: /* failed to stat file, does not exist? */
1639 return ret;
1640 }
1641 if (S_ISDIR(src_s.sb.st_mode)) {
1642 php_error_docref(NULL, E_WARNING, "The first argument to copy() function cannot be a directory");
1643 return FAILURE;
1644 }
1645
1646 switch (php_stream_stat_path_ex(dest, PHP_STREAM_URL_STAT_QUIET | PHP_STREAM_URL_STAT_NOCACHE, &dest_s, ctx)) {
1647 case -1:
1648 /* non-statable stream */
1649 goto safe_to_copy;
1650 break;
1651 case 0:
1652 break;
1653 default: /* failed to stat file, does not exist? */
1654 return ret;
1655 }
1656 if (S_ISDIR(dest_s.sb.st_mode)) {
1657 php_error_docref(NULL, E_WARNING, "The second argument to copy() function cannot be a directory");
1658 return FAILURE;
1659 }
1660 if (!src_s.sb.st_ino || !dest_s.sb.st_ino) {
1661 goto no_stat;
1662 }
1663 if (src_s.sb.st_ino == dest_s.sb.st_ino && src_s.sb.st_dev == dest_s.sb.st_dev) {
1664 return ret;
1665 } else {
1666 goto safe_to_copy;
1667 }
1668 no_stat:
1669 {
1670 char *sp, *dp;
1671 int res;
1672
1673 if ((sp = expand_filepath(src, NULL)) == NULL) {
1674 return ret;
1675 }
1676 if ((dp = expand_filepath(dest, NULL)) == NULL) {
1677 efree(sp);
1678 goto safe_to_copy;
1679 }
1680
1681 res =
1682 #ifndef PHP_WIN32
1683 !strcmp(sp, dp);
1684 #else
1685 !strcasecmp(sp, dp);
1686 #endif
1687
1688 efree(sp);
1689 efree(dp);
1690 if (res) {
1691 return ret;
1692 }
1693 }
1694 safe_to_copy:
1695
1696 srcstream = php_stream_open_wrapper_ex(src, "rb", src_flg | REPORT_ERRORS, NULL, ctx);
1697
1698 if (!srcstream) {
1699 return ret;
1700 }
1701
1702 deststream = php_stream_open_wrapper_ex(dest, "wb", REPORT_ERRORS, NULL, ctx);
1703
1704 if (srcstream && deststream) {
1705 ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL);
1706 }
1707 if (srcstream) {
1708 php_stream_close(srcstream);
1709 }
1710 if (deststream) {
1711 php_stream_close(deststream);
1712 }
1713 return ret;
1714 }
1715 /* }}} */
1716
1717 /* {{{ Binary-safe file read */
PHP_FUNCTION(fread)1718 PHPAPI PHP_FUNCTION(fread)
1719 {
1720 zval *res;
1721 zend_long len;
1722 php_stream *stream;
1723 zend_string *str;
1724
1725 ZEND_PARSE_PARAMETERS_START(2, 2)
1726 Z_PARAM_RESOURCE(res)
1727 Z_PARAM_LONG(len)
1728 ZEND_PARSE_PARAMETERS_END();
1729
1730 PHP_STREAM_TO_ZVAL(stream, res);
1731
1732 if (len <= 0) {
1733 zend_argument_value_error(2, "must be greater than 0");
1734 RETURN_THROWS();
1735 }
1736
1737 str = php_stream_read_to_str(stream, len);
1738 if (!str) {
1739 zval_ptr_dtor_str(return_value);
1740 RETURN_FALSE;
1741 }
1742
1743 RETURN_STR(str);
1744 }
1745 /* }}} */
1746
php_fgetcsv_lookup_trailing_spaces(const char * ptr,size_t len)1747 static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len) /* {{{ */
1748 {
1749 int inc_len;
1750 unsigned char last_chars[2] = { 0, 0 };
1751
1752 while (len > 0) {
1753 inc_len = (*ptr == '\0' ? 1 : php_mblen(ptr, len));
1754 switch (inc_len) {
1755 case -2:
1756 case -1:
1757 inc_len = 1;
1758 php_mb_reset();
1759 break;
1760 case 0:
1761 goto quit_loop;
1762 case 1:
1763 default:
1764 last_chars[0] = last_chars[1];
1765 last_chars[1] = *ptr;
1766 break;
1767 }
1768 ptr += inc_len;
1769 len -= inc_len;
1770 }
1771 quit_loop:
1772 switch (last_chars[1]) {
1773 case '\n':
1774 if (last_chars[0] == '\r') {
1775 return ptr - 2;
1776 }
1777 /* break is omitted intentionally */
1778 case '\r':
1779 return ptr - 1;
1780 }
1781 return ptr;
1782 }
1783 /* }}} */
1784
1785 #define FPUTCSV_FLD_CHK(c) memchr(ZSTR_VAL(field_str), c, ZSTR_LEN(field_str))
1786
1787 /* {{{ Format line as CSV and write to file pointer */
PHP_FUNCTION(fputcsv)1788 PHP_FUNCTION(fputcsv)
1789 {
1790 char delimiter = ','; /* allow this to be set as parameter */
1791 char enclosure = '"'; /* allow this to be set as parameter */
1792 int escape_char = (unsigned char) '\\'; /* allow this to be set as parameter */
1793 php_stream *stream;
1794 zval *fp = NULL, *fields = NULL;
1795 ssize_t ret;
1796 char *delimiter_str = NULL, *enclosure_str = NULL, *escape_str = NULL;
1797 size_t delimiter_str_len = 0, enclosure_str_len = 0, escape_str_len = 0;
1798
1799 ZEND_PARSE_PARAMETERS_START(2, 5)
1800 Z_PARAM_RESOURCE(fp)
1801 Z_PARAM_ARRAY(fields)
1802 Z_PARAM_OPTIONAL
1803 Z_PARAM_STRING(delimiter_str, delimiter_str_len)
1804 Z_PARAM_STRING(enclosure_str, enclosure_str_len)
1805 Z_PARAM_STRING(escape_str, escape_str_len)
1806 ZEND_PARSE_PARAMETERS_END();
1807
1808 if (delimiter_str != NULL) {
1809 /* Make sure that there is at least one character in string */
1810 if (delimiter_str_len != 1) {
1811 zend_argument_value_error(3, "must be a single character");
1812 RETURN_THROWS();
1813 }
1814
1815 /* use first character from string */
1816 delimiter = *delimiter_str;
1817 }
1818
1819 if (enclosure_str != NULL) {
1820 if (enclosure_str_len != 1) {
1821 zend_argument_value_error(4, "must be a single character");
1822 RETURN_THROWS();
1823 }
1824 /* use first character from string */
1825 enclosure = *enclosure_str;
1826 }
1827
1828 if (escape_str != NULL) {
1829 if (escape_str_len > 1) {
1830 zend_argument_value_error(5, "must be empty or a single character");
1831 RETURN_THROWS();
1832 }
1833 if (escape_str_len < 1) {
1834 escape_char = PHP_CSV_NO_ESCAPE;
1835 } else {
1836 /* use first character from string */
1837 escape_char = (unsigned char) *escape_str;
1838 }
1839 }
1840
1841 PHP_STREAM_TO_ZVAL(stream, fp);
1842
1843 ret = php_fputcsv(stream, fields, delimiter, enclosure, escape_char);
1844 if (ret < 0) {
1845 RETURN_FALSE;
1846 }
1847 RETURN_LONG(ret);
1848 }
1849 /* }}} */
1850
1851 /* {{{ PHPAPI size_t php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, int escape_char) */
php_fputcsv(php_stream * stream,zval * fields,char delimiter,char enclosure,int escape_char)1852 PHPAPI ssize_t php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, int escape_char)
1853 {
1854 int count, i = 0;
1855 size_t ret;
1856 zval *field_tmp;
1857 smart_str csvline = {0};
1858
1859 ZEND_ASSERT((escape_char >= 0 && escape_char <= UCHAR_MAX) || escape_char == PHP_CSV_NO_ESCAPE);
1860 count = zend_hash_num_elements(Z_ARRVAL_P(fields));
1861 ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(fields), field_tmp) {
1862 zend_string *tmp_field_str;
1863 zend_string *field_str = zval_get_tmp_string(field_tmp, &tmp_field_str);
1864
1865 /* enclose a field that contains a delimiter, an enclosure character, or a newline */
1866 if (FPUTCSV_FLD_CHK(delimiter) ||
1867 FPUTCSV_FLD_CHK(enclosure) ||
1868 (escape_char != PHP_CSV_NO_ESCAPE && FPUTCSV_FLD_CHK(escape_char)) ||
1869 FPUTCSV_FLD_CHK('\n') ||
1870 FPUTCSV_FLD_CHK('\r') ||
1871 FPUTCSV_FLD_CHK('\t') ||
1872 FPUTCSV_FLD_CHK(' ')
1873 ) {
1874 char *ch = ZSTR_VAL(field_str);
1875 char *end = ch + ZSTR_LEN(field_str);
1876 int escaped = 0;
1877
1878 smart_str_appendc(&csvline, enclosure);
1879 while (ch < end) {
1880 if (escape_char != PHP_CSV_NO_ESCAPE && *ch == escape_char) {
1881 escaped = 1;
1882 } else if (!escaped && *ch == enclosure) {
1883 smart_str_appendc(&csvline, enclosure);
1884 } else {
1885 escaped = 0;
1886 }
1887 smart_str_appendc(&csvline, *ch);
1888 ch++;
1889 }
1890 smart_str_appendc(&csvline, enclosure);
1891 } else {
1892 smart_str_append(&csvline, field_str);
1893 }
1894
1895 if (++i != count) {
1896 smart_str_appendl(&csvline, &delimiter, 1);
1897 }
1898 zend_tmp_string_release(tmp_field_str);
1899 } ZEND_HASH_FOREACH_END();
1900
1901 smart_str_appendc(&csvline, '\n');
1902 smart_str_0(&csvline);
1903
1904 ret = php_stream_write(stream, ZSTR_VAL(csvline.s), ZSTR_LEN(csvline.s));
1905
1906 smart_str_free(&csvline);
1907
1908 return ret;
1909 }
1910 /* }}} */
1911
1912 /* {{{ Get line from file pointer and parse for CSV fields */
PHP_FUNCTION(fgetcsv)1913 PHP_FUNCTION(fgetcsv)
1914 {
1915 char delimiter = ','; /* allow this to be set as parameter */
1916 char enclosure = '"'; /* allow this to be set as parameter */
1917 int escape = (unsigned char) '\\';
1918
1919 zend_long len = 0;
1920 size_t buf_len;
1921 char *buf;
1922 php_stream *stream;
1923
1924 {
1925 zval *fd;
1926 zend_bool len_is_null = 1;
1927 char *delimiter_str = NULL;
1928 size_t delimiter_str_len = 0;
1929 char *enclosure_str = NULL;
1930 size_t enclosure_str_len = 0;
1931 char *escape_str = NULL;
1932 size_t escape_str_len = 0;
1933
1934 ZEND_PARSE_PARAMETERS_START(1, 5)
1935 Z_PARAM_RESOURCE(fd)
1936 Z_PARAM_OPTIONAL
1937 Z_PARAM_LONG_OR_NULL(len, len_is_null)
1938 Z_PARAM_STRING(delimiter_str, delimiter_str_len)
1939 Z_PARAM_STRING(enclosure_str, enclosure_str_len)
1940 Z_PARAM_STRING(escape_str, escape_str_len)
1941 ZEND_PARSE_PARAMETERS_END();
1942
1943 if (delimiter_str != NULL) {
1944 /* Make sure that there is at least one character in string */
1945 if (delimiter_str_len != 1) {
1946 zend_argument_value_error(3, "must be a single character");
1947 RETURN_THROWS();
1948 }
1949
1950 /* use first character from string */
1951 delimiter = delimiter_str[0];
1952 }
1953
1954 if (enclosure_str != NULL) {
1955 if (enclosure_str_len != 1) {
1956 zend_argument_value_error(4, "must be a single character");
1957 RETURN_THROWS();
1958 }
1959
1960 /* use first character from string */
1961 enclosure = enclosure_str[0];
1962 }
1963
1964 if (escape_str != NULL) {
1965 if (escape_str_len > 1) {
1966 zend_argument_value_error(5, "must be empty or a single character");
1967 RETURN_THROWS();
1968 }
1969
1970 if (escape_str_len < 1) {
1971 escape = PHP_CSV_NO_ESCAPE;
1972 } else {
1973 escape = (unsigned char) escape_str[0];
1974 }
1975 }
1976
1977 if (len_is_null || len == 0) {
1978 len = -1;
1979 } else if (len < 0) {
1980 zend_argument_value_error(2, "must be a greater than or equal to 0");
1981 RETURN_THROWS();
1982 }
1983
1984 PHP_STREAM_TO_ZVAL(stream, fd);
1985 }
1986
1987 if (len < 0) {
1988 if ((buf = php_stream_get_line(stream, NULL, 0, &buf_len)) == NULL) {
1989 RETURN_FALSE;
1990 }
1991 } else {
1992 buf = emalloc(len + 1);
1993 if (php_stream_get_line(stream, buf, len + 1, &buf_len) == NULL) {
1994 efree(buf);
1995 RETURN_FALSE;
1996 }
1997 }
1998
1999 php_fgetcsv(stream, delimiter, enclosure, escape, buf_len, buf, return_value);
2000 }
2001 /* }}} */
2002
php_fgetcsv(php_stream * stream,char delimiter,char enclosure,int escape_char,size_t buf_len,char * buf,zval * return_value)2003 PHPAPI void php_fgetcsv(php_stream *stream, char delimiter, char enclosure, int escape_char, size_t buf_len, char *buf, zval *return_value) /* {{{ */
2004 {
2005 char *temp, *tptr, *bptr, *line_end, *limit;
2006 size_t temp_len, line_end_len;
2007 int inc_len;
2008 zend_bool first_field = 1;
2009
2010 ZEND_ASSERT((escape_char >= 0 && escape_char <= UCHAR_MAX) || escape_char == PHP_CSV_NO_ESCAPE);
2011
2012 /* initialize internal state */
2013 php_mb_reset();
2014
2015 /* Now into new section that parses buf for delimiter/enclosure fields */
2016
2017 /* Strip trailing space from buf, saving end of line in case required for enclosure field */
2018
2019 bptr = buf;
2020 tptr = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len);
2021 line_end_len = buf_len - (size_t)(tptr - buf);
2022 line_end = limit = tptr;
2023
2024 /* reserve workspace for building each individual field */
2025 temp_len = buf_len;
2026 temp = emalloc(temp_len + line_end_len + 1);
2027
2028 /* Initialize return array */
2029 array_init(return_value);
2030
2031 /* Main loop to read CSV fields */
2032 /* NB this routine will return a single null entry for a blank line */
2033
2034 do {
2035 char *comp_end, *hunk_begin;
2036
2037 tptr = temp;
2038
2039 inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2040 if (inc_len == 1) {
2041 char *tmp = bptr;
2042 while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) {
2043 tmp++;
2044 }
2045 if (*tmp == enclosure) {
2046 bptr = tmp;
2047 }
2048 }
2049
2050 if (first_field && bptr == line_end) {
2051 add_next_index_null(return_value);
2052 break;
2053 }
2054 first_field = 0;
2055 /* 2. Read field, leaving bptr pointing at start of next field */
2056 if (inc_len != 0 && *bptr == enclosure) {
2057 int state = 0;
2058
2059 bptr++; /* move on to first character in field */
2060 hunk_begin = bptr;
2061
2062 /* 2A. handle enclosure delimited field */
2063 for (;;) {
2064 switch (inc_len) {
2065 case 0:
2066 switch (state) {
2067 case 2:
2068 memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2069 tptr += (bptr - hunk_begin - 1);
2070 hunk_begin = bptr;
2071 goto quit_loop_2;
2072
2073 case 1:
2074 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2075 tptr += (bptr - hunk_begin);
2076 hunk_begin = bptr;
2077 /* break is omitted intentionally */
2078
2079 case 0: {
2080 char *new_buf;
2081 size_t new_len;
2082 char *new_temp;
2083
2084 if (hunk_begin != line_end) {
2085 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2086 tptr += (bptr - hunk_begin);
2087 hunk_begin = bptr;
2088 }
2089
2090 /* add the embedded line end to the field */
2091 memcpy(tptr, line_end, line_end_len);
2092 tptr += line_end_len;
2093
2094 if (stream == NULL) {
2095 goto quit_loop_2;
2096 } else if ((new_buf = php_stream_get_line(stream, NULL, 0, &new_len)) == NULL) {
2097 /* we've got an unterminated enclosure,
2098 * assign all the data from the start of
2099 * the enclosure to end of data to the
2100 * last element */
2101 if ((size_t)temp_len > (size_t)(limit - buf)) {
2102 goto quit_loop_2;
2103 }
2104 zend_array_destroy(Z_ARR_P(return_value));
2105 RETVAL_FALSE;
2106 goto out;
2107 }
2108 temp_len += new_len;
2109 new_temp = erealloc(temp, temp_len);
2110 tptr = new_temp + (size_t)(tptr - temp);
2111 temp = new_temp;
2112
2113 efree(buf);
2114 buf_len = new_len;
2115 bptr = buf = new_buf;
2116 hunk_begin = buf;
2117
2118 line_end = limit = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len);
2119 line_end_len = buf_len - (size_t)(limit - buf);
2120
2121 state = 0;
2122 } break;
2123 }
2124 break;
2125
2126 case -2:
2127 case -1:
2128 php_mb_reset();
2129 /* break is omitted intentionally */
2130 case 1:
2131 /* we need to determine if the enclosure is
2132 * 'real' or is it escaped */
2133 switch (state) {
2134 case 1: /* escaped */
2135 bptr++;
2136 state = 0;
2137 break;
2138 case 2: /* embedded enclosure ? let's check it */
2139 if (*bptr != enclosure) {
2140 /* real enclosure */
2141 memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2142 tptr += (bptr - hunk_begin - 1);
2143 hunk_begin = bptr;
2144 goto quit_loop_2;
2145 }
2146 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2147 tptr += (bptr - hunk_begin);
2148 bptr++;
2149 hunk_begin = bptr;
2150 state = 0;
2151 break;
2152 default:
2153 if (*bptr == enclosure) {
2154 state = 2;
2155 } else if (escape_char != PHP_CSV_NO_ESCAPE && *bptr == escape_char) {
2156 state = 1;
2157 }
2158 bptr++;
2159 break;
2160 }
2161 break;
2162
2163 default:
2164 switch (state) {
2165 case 2:
2166 /* real enclosure */
2167 memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2168 tptr += (bptr - hunk_begin - 1);
2169 hunk_begin = bptr;
2170 goto quit_loop_2;
2171 case 1:
2172 bptr += inc_len;
2173 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2174 tptr += (bptr - hunk_begin);
2175 hunk_begin = bptr;
2176 state = 0;
2177 break;
2178 default:
2179 bptr += inc_len;
2180 break;
2181 }
2182 break;
2183 }
2184 inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2185 }
2186
2187 quit_loop_2:
2188 /* look up for a delimiter */
2189 for (;;) {
2190 switch (inc_len) {
2191 case 0:
2192 goto quit_loop_3;
2193
2194 case -2:
2195 case -1:
2196 inc_len = 1;
2197 php_mb_reset();
2198 /* break is omitted intentionally */
2199 case 1:
2200 if (*bptr == delimiter) {
2201 goto quit_loop_3;
2202 }
2203 break;
2204 default:
2205 break;
2206 }
2207 bptr += inc_len;
2208 inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2209 }
2210
2211 quit_loop_3:
2212 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2213 tptr += (bptr - hunk_begin);
2214 bptr += inc_len;
2215 comp_end = tptr;
2216 } else {
2217 /* 2B. Handle non-enclosure field */
2218
2219 hunk_begin = bptr;
2220
2221 for (;;) {
2222 switch (inc_len) {
2223 case 0:
2224 goto quit_loop_4;
2225 case -2:
2226 case -1:
2227 inc_len = 1;
2228 php_mb_reset();
2229 /* break is omitted intentionally */
2230 case 1:
2231 if (*bptr == delimiter) {
2232 goto quit_loop_4;
2233 }
2234 break;
2235 default:
2236 break;
2237 }
2238 bptr += inc_len;
2239 inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2240 }
2241 quit_loop_4:
2242 memcpy(tptr, hunk_begin, bptr - hunk_begin);
2243 tptr += (bptr - hunk_begin);
2244
2245 comp_end = (char *)php_fgetcsv_lookup_trailing_spaces(temp, tptr - temp);
2246 if (*bptr == delimiter) {
2247 bptr++;
2248 }
2249 }
2250
2251 /* 3. Now pass our field back to php */
2252 *comp_end = '\0';
2253 add_next_index_stringl(return_value, temp, comp_end - temp);
2254 } while (inc_len > 0);
2255
2256 out:
2257 efree(temp);
2258 if (stream) {
2259 efree(buf);
2260 }
2261 }
2262 /* }}} */
2263
2264 /* {{{ Return the resolved path */
PHP_FUNCTION(realpath)2265 PHP_FUNCTION(realpath)
2266 {
2267 char *filename;
2268 size_t filename_len;
2269 char resolved_path_buff[MAXPATHLEN];
2270
2271 ZEND_PARSE_PARAMETERS_START(1, 1)
2272 Z_PARAM_PATH(filename, filename_len)
2273 ZEND_PARSE_PARAMETERS_END();
2274
2275 if (VCWD_REALPATH(filename, resolved_path_buff)) {
2276 if (php_check_open_basedir(resolved_path_buff)) {
2277 RETURN_FALSE;
2278 }
2279
2280 #ifdef ZTS
2281 if (VCWD_ACCESS(resolved_path_buff, F_OK)) {
2282 RETURN_FALSE;
2283 }
2284 #endif
2285 RETURN_STRING(resolved_path_buff);
2286 } else {
2287 RETURN_FALSE;
2288 }
2289 }
2290 /* }}} */
2291
2292 /* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */
2293 #define PHP_META_HTML401_CHARS "-_.:"
2294
2295 /* {{{ php_next_meta_token
2296 Tokenizes an HTML file for get_meta_tags */
php_next_meta_token(php_meta_tags_data * md)2297 php_meta_tags_token php_next_meta_token(php_meta_tags_data *md)
2298 {
2299 int ch = 0, compliment;
2300 char buff[META_DEF_BUFSIZE + 1];
2301
2302 memset((void *)buff, 0, META_DEF_BUFSIZE + 1);
2303
2304 while (md->ulc || (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)))) {
2305 if (php_stream_eof(md->stream)) {
2306 break;
2307 }
2308
2309 if (md->ulc) {
2310 ch = md->lc;
2311 md->ulc = 0;
2312 }
2313
2314 switch (ch) {
2315 case '<':
2316 return TOK_OPENTAG;
2317 break;
2318
2319 case '>':
2320 return TOK_CLOSETAG;
2321 break;
2322
2323 case '=':
2324 return TOK_EQUAL;
2325 break;
2326 case '/':
2327 return TOK_SLASH;
2328 break;
2329
2330 case '\'':
2331 case '"':
2332 compliment = ch;
2333 md->token_len = 0;
2334 while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && ch != compliment && ch != '<' && ch != '>') {
2335 buff[(md->token_len)++] = ch;
2336
2337 if (md->token_len == META_DEF_BUFSIZE) {
2338 break;
2339 }
2340 }
2341
2342 if (ch == '<' || ch == '>') {
2343 /* Was just an apostrohpe */
2344 md->ulc = 1;
2345 md->lc = ch;
2346 }
2347
2348 /* We don't need to alloc unless we are in a meta tag */
2349 if (md->in_meta) {
2350 md->token_data = (char *) emalloc(md->token_len + 1);
2351 memcpy(md->token_data, buff, md->token_len+1);
2352 }
2353
2354 return TOK_STRING;
2355 break;
2356
2357 case '\n':
2358 case '\r':
2359 case '\t':
2360 break;
2361
2362 case ' ':
2363 return TOK_SPACE;
2364 break;
2365
2366 default:
2367 if (isalnum(ch)) {
2368 md->token_len = 0;
2369 buff[(md->token_len)++] = ch;
2370 while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) {
2371 buff[(md->token_len)++] = ch;
2372
2373 if (md->token_len == META_DEF_BUFSIZE) {
2374 break;
2375 }
2376 }
2377
2378 /* This is ugly, but we have to replace ungetc */
2379 if (!isalpha(ch) && ch != '-') {
2380 md->ulc = 1;
2381 md->lc = ch;
2382 }
2383
2384 md->token_data = (char *) emalloc(md->token_len + 1);
2385 memcpy(md->token_data, buff, md->token_len+1);
2386
2387 return TOK_ID;
2388 } else {
2389 return TOK_OTHER;
2390 }
2391 break;
2392 }
2393 }
2394
2395 return TOK_EOF;
2396 }
2397 /* }}} */
2398
2399 #ifdef HAVE_FNMATCH
2400 /* {{{ Match filename against pattern */
PHP_FUNCTION(fnmatch)2401 PHP_FUNCTION(fnmatch)
2402 {
2403 char *pattern, *filename;
2404 size_t pattern_len, filename_len;
2405 zend_long flags = 0;
2406
2407 ZEND_PARSE_PARAMETERS_START(2, 3)
2408 Z_PARAM_PATH(pattern, pattern_len)
2409 Z_PARAM_PATH(filename, filename_len)
2410 Z_PARAM_OPTIONAL
2411 Z_PARAM_LONG(flags)
2412 ZEND_PARSE_PARAMETERS_END();
2413
2414 if (filename_len >= MAXPATHLEN) {
2415 php_error_docref(NULL, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2416 RETURN_FALSE;
2417 }
2418 if (pattern_len >= MAXPATHLEN) {
2419 php_error_docref(NULL, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2420 RETURN_FALSE;
2421 }
2422
2423 RETURN_BOOL( ! fnmatch( pattern, filename, (int)flags ));
2424 }
2425 /* }}} */
2426 #endif
2427
2428 /* {{{ Returns directory path used for temporary files */
PHP_FUNCTION(sys_get_temp_dir)2429 PHP_FUNCTION(sys_get_temp_dir)
2430 {
2431 ZEND_PARSE_PARAMETERS_NONE();
2432
2433 RETURN_STRING((char *)php_get_temporary_directory());
2434 }
2435 /* }}} */
2436
