xref: /PHP-5.5/ext/standard/file.c (revision abd159cc)
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