1/*
2   +----------------------------------------------------------------------+
3   | PHP Version 5                                                        |
4   +----------------------------------------------------------------------+
5   | Copyright (c) 1997-2014 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
98extern 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
109int file_globals_id;
110#else
111php_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* */
139static int le_stream_context = FAILURE;
140
141PHPAPI int php_le_stream_context(TSRMLS_D)
142{
143    return le_stream_context;
144}
145/* }}} */
146
147/* {{{ Module-Stuff
148*/
149static 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
159static 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
168static void file_globals_dtor(php_file_globals *file_globals_p TSRMLS_DC)
169{
170}
171
172PHP_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)
177PHP_INI_END()
178
179PHP_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_ANY_CLIENT",   STREAM_CRYPTO_METHOD_ANY_CLIENT,    CONST_CS|CONST_PERSISTENT);
223    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_CLIENT", STREAM_CRYPTO_METHOD_SSLv2_CLIENT,  CONST_CS|CONST_PERSISTENT);
224    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_CLIENT", STREAM_CRYPTO_METHOD_SSLv3_CLIENT,  CONST_CS|CONST_PERSISTENT);
225    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_CLIENT",    STREAM_CRYPTO_METHOD_SSLv23_CLIENT, CONST_CS|CONST_PERSISTENT);
226    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_CLIENT",   STREAM_CRYPTO_METHOD_TLS_CLIENT,    CONST_CS|CONST_PERSISTENT);
227    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT,    CONST_CS|CONST_PERSISTENT);
228    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT,    CONST_CS|CONST_PERSISTENT);
229    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT,    CONST_CS|CONST_PERSISTENT);
230    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_SERVER",   STREAM_CRYPTO_METHOD_ANY_SERVER,    CONST_CS|CONST_PERSISTENT);
231    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_SERVER", STREAM_CRYPTO_METHOD_SSLv2_SERVER,  CONST_CS|CONST_PERSISTENT);
232    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_SERVER", STREAM_CRYPTO_METHOD_SSLv3_SERVER,  CONST_CS|CONST_PERSISTENT);
233    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_SERVER",    STREAM_CRYPTO_METHOD_SSLv23_SERVER, CONST_CS|CONST_PERSISTENT);
234    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_SERVER",   STREAM_CRYPTO_METHOD_TLS_SERVER,    CONST_CS|CONST_PERSISTENT);
235    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_0_SERVER,    CONST_CS|CONST_PERSISTENT);
236    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_1_SERVER,    CONST_CS|CONST_PERSISTENT);
237    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_2_SERVER,    CONST_CS|CONST_PERSISTENT);
238
239    REGISTER_LONG_CONSTANT("STREAM_SHUT_RD",    STREAM_SHUT_RD,     CONST_CS|CONST_PERSISTENT);
240    REGISTER_LONG_CONSTANT("STREAM_SHUT_WR",    STREAM_SHUT_WR,     CONST_CS|CONST_PERSISTENT);
241    REGISTER_LONG_CONSTANT("STREAM_SHUT_RDWR",  STREAM_SHUT_RDWR,   CONST_CS|CONST_PERSISTENT);
242
243#ifdef PF_INET
244    REGISTER_LONG_CONSTANT("STREAM_PF_INET", PF_INET, CONST_CS|CONST_PERSISTENT);
245#elif defined(AF_INET)
246    REGISTER_LONG_CONSTANT("STREAM_PF_INET", AF_INET, CONST_CS|CONST_PERSISTENT);
247#endif
248
249#if HAVE_IPV6
250# ifdef PF_INET6
251    REGISTER_LONG_CONSTANT("STREAM_PF_INET6", PF_INET6, CONST_CS|CONST_PERSISTENT);
252# elif defined(AF_INET6)
253    REGISTER_LONG_CONSTANT("STREAM_PF_INET6", AF_INET6, CONST_CS|CONST_PERSISTENT);
254# endif
255#endif
256
257#ifdef PF_UNIX
258    REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", PF_UNIX, CONST_CS|CONST_PERSISTENT);
259#elif defined(AF_UNIX)
260    REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", AF_UNIX, CONST_CS|CONST_PERSISTENT);
261#endif
262
263#ifdef IPPROTO_IP
264    /* most people will use this one when calling socket() or socketpair() */
265    REGISTER_LONG_CONSTANT("STREAM_IPPROTO_IP", IPPROTO_IP, CONST_CS|CONST_PERSISTENT);
266#endif
267
268#ifdef IPPROTO_TCP
269    REGISTER_LONG_CONSTANT("STREAM_IPPROTO_TCP", IPPROTO_TCP, CONST_CS|CONST_PERSISTENT);
270#endif
271
272#ifdef IPPROTO_UDP
273    REGISTER_LONG_CONSTANT("STREAM_IPPROTO_UDP", IPPROTO_UDP, CONST_CS|CONST_PERSISTENT);
274#endif
275
276#ifdef IPPROTO_ICMP
277    REGISTER_LONG_CONSTANT("STREAM_IPPROTO_ICMP", IPPROTO_ICMP, CONST_CS|CONST_PERSISTENT);
278#endif
279
280#ifdef IPPROTO_RAW
281    REGISTER_LONG_CONSTANT("STREAM_IPPROTO_RAW", IPPROTO_RAW, CONST_CS|CONST_PERSISTENT);
282#endif
283
284    REGISTER_LONG_CONSTANT("STREAM_SOCK_STREAM", SOCK_STREAM, CONST_CS|CONST_PERSISTENT);
285    REGISTER_LONG_CONSTANT("STREAM_SOCK_DGRAM", SOCK_DGRAM, CONST_CS|CONST_PERSISTENT);
286
287#ifdef SOCK_RAW
288    REGISTER_LONG_CONSTANT("STREAM_SOCK_RAW", SOCK_RAW, CONST_CS|CONST_PERSISTENT);
289#endif
290
291#ifdef SOCK_SEQPACKET
292    REGISTER_LONG_CONSTANT("STREAM_SOCK_SEQPACKET", SOCK_SEQPACKET, CONST_CS|CONST_PERSISTENT);
293#endif
294
295#ifdef SOCK_RDM
296    REGISTER_LONG_CONSTANT("STREAM_SOCK_RDM", SOCK_RDM, CONST_CS|CONST_PERSISTENT);
297#endif
298
299    REGISTER_LONG_CONSTANT("STREAM_PEEK", STREAM_PEEK, CONST_CS | CONST_PERSISTENT);
300    REGISTER_LONG_CONSTANT("STREAM_OOB",  STREAM_OOB, CONST_CS | CONST_PERSISTENT);
301
302    REGISTER_LONG_CONSTANT("STREAM_SERVER_BIND",            STREAM_XPORT_BIND,                  CONST_CS | CONST_PERSISTENT);
303    REGISTER_LONG_CONSTANT("STREAM_SERVER_LISTEN",          STREAM_XPORT_LISTEN,                CONST_CS | CONST_PERSISTENT);
304
305    REGISTER_LONG_CONSTANT("FILE_USE_INCLUDE_PATH",         PHP_FILE_USE_INCLUDE_PATH,          CONST_CS | CONST_PERSISTENT);
306    REGISTER_LONG_CONSTANT("FILE_IGNORE_NEW_LINES",         PHP_FILE_IGNORE_NEW_LINES,          CONST_CS | CONST_PERSISTENT);
307    REGISTER_LONG_CONSTANT("FILE_SKIP_EMPTY_LINES",         PHP_FILE_SKIP_EMPTY_LINES,          CONST_CS | CONST_PERSISTENT);
308    REGISTER_LONG_CONSTANT("FILE_APPEND",                   PHP_FILE_APPEND,                    CONST_CS | CONST_PERSISTENT);
309    REGISTER_LONG_CONSTANT("FILE_NO_DEFAULT_CONTEXT",       PHP_FILE_NO_DEFAULT_CONTEXT,        CONST_CS | CONST_PERSISTENT);
310
311    REGISTER_LONG_CONSTANT("FILE_TEXT",                     0,                                  CONST_CS | CONST_PERSISTENT);
312    REGISTER_LONG_CONSTANT("FILE_BINARY",                   0,                                  CONST_CS | CONST_PERSISTENT);
313
314#ifdef HAVE_FNMATCH
315    REGISTER_LONG_CONSTANT("FNM_NOESCAPE", FNM_NOESCAPE, CONST_CS | CONST_PERSISTENT);
316    REGISTER_LONG_CONSTANT("FNM_PATHNAME", FNM_PATHNAME, CONST_CS | CONST_PERSISTENT);
317    REGISTER_LONG_CONSTANT("FNM_PERIOD",   FNM_PERIOD,   CONST_CS | CONST_PERSISTENT);
318# ifdef FNM_CASEFOLD /* a GNU extension */ /* TODO emulate if not available */
319    REGISTER_LONG_CONSTANT("FNM_CASEFOLD", FNM_CASEFOLD, CONST_CS | CONST_PERSISTENT);
320# endif
321#endif
322
323    return SUCCESS;
324}
325/* }}} */
326
327PHP_MSHUTDOWN_FUNCTION(file) /* {{{ */
328{
329#ifndef ZTS
330    file_globals_dtor(&file_globals TSRMLS_CC);
331#endif
332    return SUCCESS;
333}
334/* }}} */
335
336static int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN };
337
338/* {{{ proto bool flock(resource fp, int operation [, int &wouldblock])
339   Portable file locking */
340PHP_FUNCTION(flock)
341{
342    zval *arg1, *arg3 = NULL;
343    int act;
344    php_stream *stream;
345    long operation = 0;
346
347    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|z", &arg1, &operation, &arg3) == FAILURE) {
348        return;
349    }
350
351    PHP_STREAM_TO_ZVAL(stream, &arg1);
352
353    act = operation & 3;
354    if (act < 1 || act > 3) {
355        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Illegal operation argument");
356        RETURN_FALSE;
357    }
358
359    if (arg3 && PZVAL_IS_REF(arg3)) {
360        convert_to_long_ex(&arg3);
361        Z_LVAL_P(arg3) = 0;
362    }
363
364    /* flock_values contains all possible actions if (operation & 4) we won't block on the lock */
365    act = flock_values[act - 1] | (operation & PHP_LOCK_NB ? LOCK_NB : 0);
366    if (php_stream_lock(stream, act)) {
367        if (operation && errno == EWOULDBLOCK && arg3 && PZVAL_IS_REF(arg3)) {
368            Z_LVAL_P(arg3) = 1;
369        }
370        RETURN_FALSE;
371    }
372    RETURN_TRUE;
373}
374/* }}} */
375
376#define PHP_META_UNSAFE ".\\+*?[^]$() "
377
378/* {{{ proto array get_meta_tags(string filename [, bool use_include_path])
379   Extracts all meta tag content attributes from a file and returns an array */
380PHP_FUNCTION(get_meta_tags)
381{
382    char *filename;
383    int filename_len;
384    zend_bool use_include_path = 0;
385    int in_tag = 0, done = 0;
386    int looking_for_val = 0, have_name = 0, have_content = 0;
387    int saw_name = 0, saw_content = 0;
388    char *name = NULL, *value = NULL, *temp = NULL;
389    php_meta_tags_token tok, tok_last;
390    php_meta_tags_data md;
391
392    /* Initiailize our structure */
393    memset(&md, 0, sizeof(md));
394
395    /* Parse arguments */
396    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|b", &filename, &filename_len, &use_include_path) == FAILURE) {
397        return;
398    }
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 TSRMLS_CC)) != 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                    STR_FREE(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                    STR_FREE(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                STR_FREE(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                STR_FREE(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, 1);
488                } else {
489                    add_assoc_string(return_value, name, "", 1);
490                }
491
492                efree(name);
493                STR_FREE(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    STR_FREE(value);
516    STR_FREE(name);
517    php_stream_close(md.stream);
518}
519/* }}} */
520
521/* {{{ proto string file_get_contents(string filename [, bool use_include_path [, resource context [, long offset [, long maxlen]]]])
522   Read the entire file into a string */
523PHP_FUNCTION(file_get_contents)
524{
525    char *filename;
526    int filename_len;
527    char *contents;
528    zend_bool use_include_path = 0;
529    php_stream *stream;
530    long len;
531    long offset = -1;
532    long maxlen = PHP_STREAM_COPY_ALL;
533    zval *zcontext = NULL;
534    php_stream_context *context = NULL;
535
536    /* Parse arguments */
537    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|br!ll", &filename, &filename_len, &use_include_path, &zcontext, &offset, &maxlen) == FAILURE) {
538        return;
539    }
540
541    if (ZEND_NUM_ARGS() == 5 && maxlen < 0) {
542        php_error_docref(NULL TSRMLS_CC, E_WARNING, "length must be greater than or equal to zero");
543        RETURN_FALSE;
544    }
545
546    context = php_stream_context_from_zval(zcontext, 0);
547
548    stream = php_stream_open_wrapper_ex(filename, "rb",
549                (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
550                NULL, context);
551    if (!stream) {
552        RETURN_FALSE;
553    }
554
555    if (offset > 0 && php_stream_seek(stream, offset, SEEK_SET) < 0) {
556        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to seek to position %ld in the stream", offset);
557        php_stream_close(stream);
558        RETURN_FALSE;
559    }
560
561    if ((len = php_stream_copy_to_mem(stream, &contents, maxlen, 0)) > 0) {
562        if (len > INT_MAX) {
563            php_error_docref(NULL TSRMLS_CC, E_WARNING, "content truncated from %ld to %d bytes", len, INT_MAX);
564            len = INT_MAX;
565        }
566        RETVAL_STRINGL(contents, len, 0);
567    } else if (len == 0) {
568        RETVAL_EMPTY_STRING();
569    } else {
570        RETVAL_FALSE;
571    }
572
573    php_stream_close(stream);
574}
575/* }}} */
576
577/* {{{ proto int file_put_contents(string file, mixed data [, int flags [, resource context]])
578   Write/Create a file with contents data and return the number of bytes written */
579PHP_FUNCTION(file_put_contents)
580{
581    php_stream *stream;
582    char *filename;
583    int filename_len;
584    zval *data;
585    long numbytes = 0;
586    long flags = 0;
587    zval *zcontext = NULL;
588    php_stream_context *context = NULL;
589    php_stream *srcstream = NULL;
590    char mode[3] = "wb";
591
592    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pz/|lr!", &filename, &filename_len, &data, &flags, &zcontext) == FAILURE) {
593        return;
594    }
595
596    if (Z_TYPE_P(data) == IS_RESOURCE) {
597        php_stream_from_zval(srcstream, &data);
598    }
599
600    context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
601
602    if (flags & PHP_FILE_APPEND) {
603        mode[0] = 'a';
604    } else if (flags & LOCK_EX) {
605        /* check to make sure we are dealing with a regular file */
606        if (php_memnstr(filename, "://", sizeof("://") - 1, filename + filename_len)) {
607            if (strncasecmp(filename, "file://", sizeof("file://") - 1)) {
608                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks may only be set for regular files");
609                RETURN_FALSE;
610            }
611        }
612        mode[0] = 'c';
613    }
614    mode[2] = '\0';
615
616    stream = php_stream_open_wrapper_ex(filename, mode, ((flags & PHP_FILE_USE_INCLUDE_PATH) ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
617    if (stream == NULL) {
618        RETURN_FALSE;
619    }
620
621    if (flags & LOCK_EX && (!php_stream_supports_lock(stream) || php_stream_lock(stream, LOCK_EX))) {
622        php_stream_close(stream);
623        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks are not supported for this stream");
624        RETURN_FALSE;
625    }
626
627    if (mode[0] == 'c') {
628        php_stream_truncate_set_size(stream, 0);
629    }
630
631    switch (Z_TYPE_P(data)) {
632        case IS_RESOURCE: {
633            size_t len;
634            if (php_stream_copy_to_stream_ex(srcstream, stream, PHP_STREAM_COPY_ALL, &len) != SUCCESS) {
635                numbytes = -1;
636            } else {
637                if (len > LONG_MAX) {
638                    php_error_docref(NULL TSRMLS_CC, E_WARNING, "content truncated from %lu to %ld bytes", (unsigned long) len, LONG_MAX);
639                    len = LONG_MAX;
640                }
641                numbytes = len;
642            }
643            break;
644        }
645        case IS_NULL:
646        case IS_LONG:
647        case IS_DOUBLE:
648        case IS_BOOL:
649        case IS_CONSTANT:
650            convert_to_string_ex(&data);
651
652        case IS_STRING:
653            if (Z_STRLEN_P(data)) {
654                numbytes = php_stream_write(stream, Z_STRVAL_P(data), Z_STRLEN_P(data));
655                if (numbytes != Z_STRLEN_P(data)) {
656                    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));
657                    numbytes = -1;
658                }
659            }
660            break;
661
662        case IS_ARRAY:
663            if (zend_hash_num_elements(Z_ARRVAL_P(data))) {
664                int bytes_written;
665                zval **tmp;
666                HashPosition pos;
667
668                zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(data), &pos);
669                while (zend_hash_get_current_data_ex(Z_ARRVAL_P(data), (void **) &tmp, &pos) == SUCCESS) {
670                    if (Z_TYPE_PP(tmp) != IS_STRING) {
671                        SEPARATE_ZVAL(tmp);
672                        convert_to_string(*tmp);
673                    }
674                    if (Z_STRLEN_PP(tmp)) {
675                        numbytes += Z_STRLEN_PP(tmp);
676                        bytes_written = php_stream_write(stream, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
677                        if (bytes_written < 0 || bytes_written != Z_STRLEN_PP(tmp)) {
678                            if (bytes_written < 0) {
679                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write %d bytes to %s", Z_STRLEN_PP(tmp), filename);
680                            } else {
681                                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));
682                            }
683                            numbytes = -1;
684                            break;
685                        }
686                    }
687                    zend_hash_move_forward_ex(Z_ARRVAL_P(data), &pos);
688                }
689            }
690            break;
691
692        case IS_OBJECT:
693            if (Z_OBJ_HT_P(data) != NULL) {
694                zval out;
695
696                if (zend_std_cast_object_tostring(data, &out, IS_STRING TSRMLS_CC) == SUCCESS) {
697                    numbytes = php_stream_write(stream, Z_STRVAL(out), Z_STRLEN(out));
698                    if (numbytes != Z_STRLEN(out)) {
699                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %ld of %d bytes written, possibly out of free disk space", numbytes, Z_STRLEN(out));
700                        numbytes = -1;
701                    }
702                    zval_dtor(&out);
703                    break;
704                }
705            }
706        default:
707            numbytes = -1;
708            break;
709    }
710    php_stream_close(stream);
711
712    if (numbytes < 0) {
713        RETURN_FALSE;
714    }
715
716    RETURN_LONG(numbytes);
717}
718/* }}} */
719
720#define PHP_FILE_BUF_SIZE   80
721
722/* {{{ proto array file(string filename [, int flags[, resource context]])
723   Read entire file into an array */
724PHP_FUNCTION(file)
725{
726    char *filename;
727    int filename_len;
728    char *target_buf=NULL, *p, *s, *e;
729    register int i = 0;
730    int target_len;
731    char eol_marker = '\n';
732    long flags = 0;
733    zend_bool use_include_path;
734    zend_bool include_new_line;
735    zend_bool skip_blank_lines;
736    php_stream *stream;
737    zval *zcontext = NULL;
738    php_stream_context *context = NULL;
739
740    /* Parse arguments */
741    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|lr!", &filename, &filename_len, &flags, &zcontext) == FAILURE) {
742        return;
743    }
744    if (flags < 0 || flags > (PHP_FILE_USE_INCLUDE_PATH | PHP_FILE_IGNORE_NEW_LINES | PHP_FILE_SKIP_EMPTY_LINES | PHP_FILE_NO_DEFAULT_CONTEXT)) {
745        php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%ld' flag is not supported", flags);
746        RETURN_FALSE;
747    }
748
749    use_include_path = flags & PHP_FILE_USE_INCLUDE_PATH;
750    include_new_line = !(flags & PHP_FILE_IGNORE_NEW_LINES);
751    skip_blank_lines = flags & PHP_FILE_SKIP_EMPTY_LINES;
752
753    context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
754
755    stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
756    if (!stream) {
757        RETURN_FALSE;
758    }
759
760    /* Initialize return array */
761    array_init(return_value);
762
763    if ((target_len = php_stream_copy_to_mem(stream, &target_buf, PHP_STREAM_COPY_ALL, 0))) {
764        s = target_buf;
765        e = target_buf + target_len;
766
767        if (!(p = php_stream_locate_eol(stream, target_buf, target_len TSRMLS_CC))) {
768            p = e;
769            goto parse_eol;
770        }
771
772        if (stream->flags & PHP_STREAM_FLAG_EOL_MAC) {
773            eol_marker = '\r';
774        }
775
776        /* for performance reasons the code is duplicated, so that the if (include_new_line)
777         * will not need to be done for every single line in the file. */
778        if (include_new_line) {
779            do {
780                p++;
781parse_eol:
782                add_index_stringl(return_value, i++, estrndup(s, p-s), p-s, 0);
783                s = p;
784            } while ((p = memchr(p, eol_marker, (e-p))));
785        } else {
786            do {
787                int windows_eol = 0;
788                if (p != target_buf && eol_marker == '\n' && *(p - 1) == '\r') {
789                    windows_eol++;
790                }
791                if (skip_blank_lines && !(p-s-windows_eol)) {
792                    s = ++p;
793                    continue;
794                }
795                add_index_stringl(return_value, i++, estrndup(s, p-s-windows_eol), p-s-windows_eol, 0);
796                s = ++p;
797            } while ((p = memchr(p, eol_marker, (e-p))));
798        }
799
800        /* handle any left overs of files without new lines */
801        if (s != e) {
802            p = e;
803            goto parse_eol;
804        }
805    }
806
807    if (target_buf) {
808        efree(target_buf);
809    }
810    php_stream_close(stream);
811}
812/* }}} */
813
814/* {{{ proto string tempnam(string dir, string prefix)
815   Create a unique filename in a directory */
816PHP_FUNCTION(tempnam)
817{
818    char *dir, *prefix;
819    int dir_len, prefix_len;
820    size_t p_len;
821    char *opened_path;
822    char *p;
823    int fd;
824
825    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps", &dir, &dir_len, &prefix, &prefix_len) == FAILURE) {
826        return;
827    }
828
829    if (php_check_open_basedir(dir TSRMLS_CC)) {
830        RETURN_FALSE;
831    }
832
833    php_basename(prefix, prefix_len, NULL, 0, &p, &p_len TSRMLS_CC);
834    if (p_len > 64) {
835        p[63] = '\0';
836    }
837
838    RETVAL_FALSE;
839
840    if ((fd = php_open_temporary_fd_ex(dir, p, &opened_path, 1 TSRMLS_CC)) >= 0) {
841        close(fd);
842        RETVAL_STRING(opened_path, 0);
843    }
844    efree(p);
845}
846/* }}} */
847
848/* {{{ proto resource tmpfile(void)
849   Create a temporary file that will be deleted automatically after use */
850PHP_NAMED_FUNCTION(php_if_tmpfile)
851{
852    php_stream *stream;
853
854    if (zend_parse_parameters_none() == FAILURE) {
855        return;
856    }
857
858    stream = php_stream_fopen_tmpfile();
859
860    if (stream) {
861        php_stream_to_zval(stream, return_value);
862    } else {
863        RETURN_FALSE;
864    }
865}
866/* }}} */
867
868/* {{{ proto resource fopen(string filename, string mode [, bool use_include_path [, resource context]])
869   Open a file or a URL and return a file pointer */
870PHP_NAMED_FUNCTION(php_if_fopen)
871{
872    char *filename, *mode;
873    int filename_len, mode_len;
874    zend_bool use_include_path = 0;
875    zval *zcontext = NULL;
876    php_stream *stream;
877    php_stream_context *context = NULL;
878
879    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps|br", &filename, &filename_len, &mode, &mode_len, &use_include_path, &zcontext) == FAILURE) {
880        RETURN_FALSE;
881    }
882
883    context = php_stream_context_from_zval(zcontext, 0);
884
885    stream = php_stream_open_wrapper_ex(filename, mode, (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
886
887    if (stream == NULL) {
888        RETURN_FALSE;
889    }
890
891    php_stream_to_zval(stream, return_value);
892}
893/* }}} */
894
895/* {{{ proto bool fclose(resource fp)
896   Close an open file pointer */
897PHPAPI PHP_FUNCTION(fclose)
898{
899    zval *arg1;
900    php_stream *stream;
901
902    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
903        RETURN_FALSE;
904    }
905
906    PHP_STREAM_TO_ZVAL(stream, &arg1);
907
908    if ((stream->flags & PHP_STREAM_FLAG_NO_FCLOSE) != 0) {
909        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d is not a valid stream resource", stream->rsrc_id);
910        RETURN_FALSE;
911    }
912
913    if (!stream->is_persistent) {
914        php_stream_close(stream);
915    } else {
916        php_stream_pclose(stream);
917    }
918
919    RETURN_TRUE;
920}
921/* }}} */
922
923/* {{{ proto resource popen(string command, string mode)
924   Execute a command and open either a read or a write pipe to it */
925PHP_FUNCTION(popen)
926{
927    char *command, *mode;
928    int command_len, mode_len;
929    FILE *fp;
930    php_stream *stream;
931    char *posix_mode;
932
933    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps", &command, &command_len, &mode, &mode_len) == FAILURE) {
934        return;
935    }
936
937    posix_mode = estrndup(mode, mode_len);
938#ifndef PHP_WIN32
939    {
940        char *z = memchr(posix_mode, 'b', mode_len);
941        if (z) {
942            memmove(z, z + 1, mode_len - (z - posix_mode));
943        }
944    }
945#endif
946
947    fp = VCWD_POPEN(command, posix_mode);
948    if (!fp) {
949        php_error_docref2(NULL TSRMLS_CC, command, posix_mode, E_WARNING, "%s", strerror(errno));
950        efree(posix_mode);
951        RETURN_FALSE;
952    }
953
954    stream = php_stream_fopen_from_pipe(fp, mode);
955
956    if (stream == NULL) {
957        php_error_docref2(NULL TSRMLS_CC, command, mode, E_WARNING, "%s", strerror(errno));
958        RETVAL_FALSE;
959    } else {
960        php_stream_to_zval(stream, return_value);
961    }
962
963    efree(posix_mode);
964}
965/* }}} */
966
967/* {{{ proto int pclose(resource fp)
968   Close a file pointer opened by popen() */
969PHP_FUNCTION(pclose)
970{
971    zval *arg1;
972    php_stream *stream;
973
974    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
975        RETURN_FALSE;
976    }
977
978    PHP_STREAM_TO_ZVAL(stream, &arg1);
979
980    FG(pclose_wait) = 1;
981    zend_list_delete(stream->rsrc_id);
982    FG(pclose_wait) = 0;
983    RETURN_LONG(FG(pclose_ret));
984}
985/* }}} */
986
987/* {{{ proto bool feof(resource fp)
988   Test for end-of-file on a file pointer */
989PHPAPI PHP_FUNCTION(feof)
990{
991    zval *arg1;
992    php_stream *stream;
993
994    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
995        RETURN_FALSE;
996    }
997
998    PHP_STREAM_TO_ZVAL(stream, &arg1);
999
1000    if (php_stream_eof(stream)) {
1001        RETURN_TRUE;
1002    } else {
1003        RETURN_FALSE;
1004    }
1005}
1006/* }}} */
1007
1008/* {{{ proto string fgets(resource fp[, int length])
1009   Get a line from file pointer */
1010PHPAPI PHP_FUNCTION(fgets)
1011{
1012    zval *arg1;
1013    long len = 1024;
1014    char *buf = NULL;
1015    int argc = ZEND_NUM_ARGS();
1016    size_t line_len = 0;
1017    php_stream *stream;
1018
1019    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &arg1, &len) == FAILURE) {
1020        RETURN_FALSE;
1021    }
1022
1023    PHP_STREAM_TO_ZVAL(stream, &arg1);
1024
1025    if (argc == 1) {
1026        /* ask streams to give us a buffer of an appropriate size */
1027        buf = php_stream_get_line(stream, NULL, 0, &line_len);
1028        if (buf == NULL) {
1029            goto exit_failed;
1030        }
1031    } else if (argc > 1) {
1032        if (len <= 0) {
1033            php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1034            RETURN_FALSE;
1035        }
1036
1037        buf = ecalloc(len + 1, sizeof(char));
1038        if (php_stream_get_line(stream, buf, len, &line_len) == NULL) {
1039            goto exit_failed;
1040        }
1041    }
1042
1043    ZVAL_STRINGL(return_value, buf, line_len, 0);
1044    /* resize buffer if it's much larger than the result.
1045     * Only needed if the user requested a buffer size. */
1046    if (argc > 1 && Z_STRLEN_P(return_value) < len / 2) {
1047        Z_STRVAL_P(return_value) = erealloc(buf, line_len + 1);
1048    }
1049    return;
1050
1051exit_failed:
1052    RETVAL_FALSE;
1053    if (buf) {
1054        efree(buf);
1055    }
1056}
1057/* }}} */
1058
1059/* {{{ proto string fgetc(resource fp)
1060   Get a character from file pointer */
1061PHPAPI PHP_FUNCTION(fgetc)
1062{
1063    zval *arg1;
1064    char buf[2];
1065    int result;
1066    php_stream *stream;
1067
1068    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1069        RETURN_FALSE;
1070    }
1071
1072    PHP_STREAM_TO_ZVAL(stream, &arg1);
1073
1074    result = php_stream_getc(stream);
1075
1076    if (result == EOF) {
1077        RETVAL_FALSE;
1078    } else {
1079        buf[0] = result;
1080        buf[1] = '\0';
1081
1082        RETURN_STRINGL(buf, 1, 1);
1083    }
1084}
1085/* }}} */
1086
1087/* {{{ proto string fgetss(resource fp [, int length [, string allowable_tags]])
1088   Get a line from file pointer and strip HTML tags */
1089PHPAPI PHP_FUNCTION(fgetss)
1090{
1091    zval *fd;
1092    long bytes = 0;
1093    size_t len = 0;
1094    size_t actual_len, retval_len;
1095    char *buf = NULL, *retval;
1096    php_stream *stream;
1097    char *allowed_tags=NULL;
1098    int allowed_tags_len=0;
1099
1100    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|ls", &fd, &bytes, &allowed_tags, &allowed_tags_len) == FAILURE) {
1101        RETURN_FALSE;
1102    }
1103
1104    PHP_STREAM_TO_ZVAL(stream, &fd);
1105
1106    if (ZEND_NUM_ARGS() >= 2) {
1107        if (bytes <= 0) {
1108            php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1109            RETURN_FALSE;
1110        }
1111
1112        len = (size_t) bytes;
1113        buf = safe_emalloc(sizeof(char), (len + 1), 0);
1114        /*needed because recv doesnt set null char at end*/
1115        memset(buf, 0, len + 1);
1116    }
1117
1118    if ((retval = php_stream_get_line(stream, buf, len, &actual_len)) == NULL)  {
1119        if (buf != NULL) {
1120            efree(buf);
1121        }
1122        RETURN_FALSE;
1123    }
1124
1125    retval_len = php_strip_tags(retval, actual_len, &stream->fgetss_state, allowed_tags, allowed_tags_len);
1126
1127    RETURN_STRINGL(retval, retval_len, 0);
1128}
1129/* }}} */
1130
1131/* {{{ proto mixed fscanf(resource stream, string format [, string ...])
1132   Implements a mostly ANSI compatible fscanf() */
1133PHP_FUNCTION(fscanf)
1134{
1135    int result, format_len, type, argc = 0;
1136    zval ***args = NULL;
1137    zval *file_handle;
1138    char *buf, *format;
1139    size_t len;
1140    void *what;
1141
1142    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs*", &file_handle, &format, &format_len, &args, &argc) == FAILURE) {
1143        return;
1144    }
1145
1146    what = zend_fetch_resource(&file_handle TSRMLS_CC, -1, "File-Handle", &type, 2, php_file_le_stream(), php_file_le_pstream());
1147
1148    /* we can't do a ZEND_VERIFY_RESOURCE(what), otherwise we end up
1149     * with a leak if we have an invalid filehandle. This needs changing
1150     * if the code behind ZEND_VERIFY_RESOURCE changed. - cc */
1151    if (!what) {
1152        if (args) {
1153            efree(args);
1154        }
1155        RETURN_FALSE;
1156    }
1157
1158    buf = php_stream_get_line((php_stream *) what, NULL, 0, &len);
1159    if (buf == NULL) {
1160        if (args) {
1161            efree(args);
1162        }
1163        RETURN_FALSE;
1164    }
1165
1166    result = php_sscanf_internal(buf, format, argc, args, 0, &return_value TSRMLS_CC);
1167
1168    if (args) {
1169        efree(args);
1170    }
1171    efree(buf);
1172
1173    if (SCAN_ERROR_WRONG_PARAM_COUNT == result) {
1174        WRONG_PARAM_COUNT;
1175    }
1176}
1177/* }}} */
1178
1179/* {{{ proto int fwrite(resource fp, string str [, int length])
1180   Binary-safe file write */
1181PHPAPI PHP_FUNCTION(fwrite)
1182{
1183    zval *arg1;
1184    char *arg2;
1185    int arg2len;
1186    int ret;
1187    int num_bytes;
1188    long arg3 = 0;
1189    char *buffer = NULL;
1190    php_stream *stream;
1191
1192    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &arg1, &arg2, &arg2len, &arg3) == FAILURE) {
1193        RETURN_FALSE;
1194    }
1195
1196    if (ZEND_NUM_ARGS() == 2) {
1197        num_bytes = arg2len;
1198    } else {
1199        num_bytes = MAX(0, MIN((int)arg3, arg2len));
1200    }
1201
1202    if (!num_bytes) {
1203        RETURN_LONG(0);
1204    }
1205
1206    PHP_STREAM_TO_ZVAL(stream, &arg1);
1207
1208    ret = php_stream_write(stream, buffer ? buffer : arg2, num_bytes);
1209    if (buffer) {
1210        efree(buffer);
1211    }
1212
1213    RETURN_LONG(ret);
1214}
1215/* }}} */
1216
1217/* {{{ proto bool fflush(resource fp)
1218   Flushes output */
1219PHPAPI PHP_FUNCTION(fflush)
1220{
1221    zval *arg1;
1222    int ret;
1223    php_stream *stream;
1224
1225    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1226        RETURN_FALSE;
1227    }
1228
1229    PHP_STREAM_TO_ZVAL(stream, &arg1);
1230
1231    ret = php_stream_flush(stream);
1232    if (ret) {
1233        RETURN_FALSE;
1234    }
1235    RETURN_TRUE;
1236}
1237/* }}} */
1238
1239/* {{{ proto bool rewind(resource fp)
1240   Rewind the position of a file pointer */
1241PHPAPI PHP_FUNCTION(rewind)
1242{
1243    zval *arg1;
1244    php_stream *stream;
1245
1246    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1247        RETURN_FALSE;
1248    }
1249
1250    PHP_STREAM_TO_ZVAL(stream, &arg1);
1251
1252    if (-1 == php_stream_rewind(stream)) {
1253        RETURN_FALSE;
1254    }
1255    RETURN_TRUE;
1256}
1257/* }}} */
1258
1259/* {{{ proto int ftell(resource fp)
1260   Get file pointer's read/write position */
1261PHPAPI PHP_FUNCTION(ftell)
1262{
1263    zval *arg1;
1264    long ret;
1265    php_stream *stream;
1266
1267    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1268        RETURN_FALSE;
1269    }
1270
1271    PHP_STREAM_TO_ZVAL(stream, &arg1);
1272
1273    ret = php_stream_tell(stream);
1274    if (ret == -1)  {
1275        RETURN_FALSE;
1276    }
1277    RETURN_LONG(ret);
1278}
1279/* }}} */
1280
1281/* {{{ proto int fseek(resource fp, int offset [, int whence])
1282   Seek on a file pointer */
1283PHPAPI PHP_FUNCTION(fseek)
1284{
1285    zval *arg1;
1286    long arg2, whence = SEEK_SET;
1287    php_stream *stream;
1288
1289    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|l", &arg1, &arg2, &whence) == FAILURE) {
1290        RETURN_FALSE;
1291    }
1292
1293    PHP_STREAM_TO_ZVAL(stream, &arg1);
1294
1295    RETURN_LONG(php_stream_seek(stream, arg2, whence));
1296}
1297/* }}} */
1298
1299/* {{{ php_mkdir
1300*/
1301
1302/* DEPRECATED APIs: Use php_stream_mkdir() instead */
1303PHPAPI int php_mkdir_ex(const char *dir, long mode, int options TSRMLS_DC)
1304{
1305    int ret;
1306
1307    if (php_check_open_basedir(dir TSRMLS_CC)) {
1308        return -1;
1309    }
1310
1311    if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0 && (options & REPORT_ERRORS)) {
1312        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
1313    }
1314
1315    return ret;
1316}
1317
1318PHPAPI int php_mkdir(const char *dir, long mode TSRMLS_DC)
1319{
1320    return php_mkdir_ex(dir, mode, REPORT_ERRORS TSRMLS_CC);
1321}
1322/* }}} */
1323
1324/* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive [, resource context]]])
1325   Create a directory */
1326PHP_FUNCTION(mkdir)
1327{
1328    char *dir;
1329    int dir_len;
1330    zval *zcontext = NULL;
1331    long mode = 0777;
1332    zend_bool recursive = 0;
1333    php_stream_context *context;
1334
1335    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|lbr", &dir, &dir_len, &mode, &recursive, &zcontext) == FAILURE) {
1336        RETURN_FALSE;
1337    }
1338
1339    context = php_stream_context_from_zval(zcontext, 0);
1340
1341    RETURN_BOOL(php_stream_mkdir(dir, mode, (recursive ? PHP_STREAM_MKDIR_RECURSIVE : 0) | REPORT_ERRORS, context));
1342}
1343/* }}} */
1344
1345/* {{{ proto bool rmdir(string dirname[, resource context])
1346   Remove a directory */
1347PHP_FUNCTION(rmdir)
1348{
1349    char *dir;
1350    int dir_len;
1351    zval *zcontext = NULL;
1352    php_stream_context *context;
1353
1354    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|r", &dir, &dir_len, &zcontext) == FAILURE) {
1355        RETURN_FALSE;
1356    }
1357
1358    context = php_stream_context_from_zval(zcontext, 0);
1359
1360    RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context));
1361}
1362/* }}} */
1363
1364/* {{{ proto int readfile(string filename [, bool use_include_path[, resource context]])
1365   Output a file or a URL */
1366PHP_FUNCTION(readfile)
1367{
1368    char *filename;
1369    int filename_len;
1370    int size = 0;
1371    zend_bool use_include_path = 0;
1372    zval *zcontext = NULL;
1373    php_stream *stream;
1374    php_stream_context *context = NULL;
1375
1376    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|br!", &filename, &filename_len, &use_include_path, &zcontext) == FAILURE) {
1377        RETURN_FALSE;
1378    }
1379
1380    context = php_stream_context_from_zval(zcontext, 0);
1381
1382    stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
1383    if (stream) {
1384        size = php_stream_passthru(stream);
1385        php_stream_close(stream);
1386        RETURN_LONG(size);
1387    }
1388
1389    RETURN_FALSE;
1390}
1391/* }}} */
1392
1393/* {{{ proto int umask([int mask])
1394   Return or change the umask */
1395PHP_FUNCTION(umask)
1396{
1397    long arg1 = 0;
1398    int oldumask;
1399
1400    oldumask = umask(077);
1401
1402    if (BG(umask) == -1) {
1403        BG(umask) = oldumask;
1404    }
1405
1406    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &arg1) == FAILURE) {
1407        RETURN_FALSE;
1408    }
1409
1410    if (ZEND_NUM_ARGS() == 0) {
1411        umask(oldumask);
1412    } else {
1413        umask(arg1);
1414    }
1415
1416    RETURN_LONG(oldumask);
1417}
1418/* }}} */
1419
1420/* {{{ proto int fpassthru(resource fp)
1421   Output all remaining data from a file pointer */
1422PHPAPI PHP_FUNCTION(fpassthru)
1423{
1424    zval *arg1;
1425    int size;
1426    php_stream *stream;
1427
1428    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1429        RETURN_FALSE;
1430    }
1431
1432    PHP_STREAM_TO_ZVAL(stream, &arg1);
1433
1434    size = php_stream_passthru(stream);
1435    RETURN_LONG(size);
1436}
1437/* }}} */
1438
1439/* {{{ proto bool rename(string old_name, string new_name[, resource context])
1440   Rename a file */
1441PHP_FUNCTION(rename)
1442{
1443    char *old_name, *new_name;
1444    int old_name_len, new_name_len;
1445    zval *zcontext = NULL;
1446    php_stream_wrapper *wrapper;
1447    php_stream_context *context;
1448
1449    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &old_name, &old_name_len, &new_name, &new_name_len, &zcontext) == FAILURE) {
1450        RETURN_FALSE;
1451    }
1452
1453    wrapper = php_stream_locate_url_wrapper(old_name, NULL, 0 TSRMLS_CC);
1454
1455    if (!wrapper || !wrapper->wops) {
1456        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
1457        RETURN_FALSE;
1458    }
1459
1460    if (!wrapper->wops->rename) {
1461        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s wrapper does not support renaming", wrapper->wops->label ? wrapper->wops->label : "Source");
1462        RETURN_FALSE;
1463    }
1464
1465    if (wrapper != php_stream_locate_url_wrapper(new_name, NULL, 0 TSRMLS_CC)) {
1466        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot rename a file across wrapper types");
1467        RETURN_FALSE;
1468    }
1469
1470    context = php_stream_context_from_zval(zcontext, 0);
1471
1472    RETURN_BOOL(wrapper->wops->rename(wrapper, old_name, new_name, 0, context TSRMLS_CC));
1473}
1474/* }}} */
1475
1476/* {{{ proto bool unlink(string filename[, context context])
1477   Delete a file */
1478PHP_FUNCTION(unlink)
1479{
1480    char *filename;
1481    int filename_len;
1482    php_stream_wrapper *wrapper;
1483    zval *zcontext = NULL;
1484    php_stream_context *context = NULL;
1485
1486    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|r", &filename, &filename_len, &zcontext) == FAILURE) {
1487        RETURN_FALSE;
1488    }
1489
1490    context = php_stream_context_from_zval(zcontext, 0);
1491
1492    wrapper = php_stream_locate_url_wrapper(filename, NULL, 0 TSRMLS_CC);
1493
1494    if (!wrapper || !wrapper->wops) {
1495        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
1496        RETURN_FALSE;
1497    }
1498
1499    if (!wrapper->wops->unlink) {
1500        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper");
1501        RETURN_FALSE;
1502    }
1503    RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, REPORT_ERRORS, context TSRMLS_CC));
1504}
1505/* }}} */
1506
1507/* {{{ proto bool ftruncate(resource fp, int size)
1508   Truncate file to 'size' length */
1509PHP_NAMED_FUNCTION(php_if_ftruncate)
1510{
1511    zval *fp;
1512    long size;
1513    php_stream *stream;
1514
1515    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &fp, &size) == FAILURE) {
1516        RETURN_FALSE;
1517    }
1518
1519    PHP_STREAM_TO_ZVAL(stream, &fp);
1520
1521    if (!php_stream_truncate_supported(stream)) {
1522        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't truncate this stream!");
1523        RETURN_FALSE;
1524    }
1525
1526    RETURN_BOOL(0 == php_stream_truncate_set_size(stream, size));
1527}
1528/* }}} */
1529
1530/* {{{ proto array fstat(resource fp)
1531   Stat() on a filehandle */
1532PHP_NAMED_FUNCTION(php_if_fstat)
1533{
1534    zval *fp;
1535    zval *stat_dev, *stat_ino, *stat_mode, *stat_nlink, *stat_uid, *stat_gid, *stat_rdev,
1536         *stat_size, *stat_atime, *stat_mtime, *stat_ctime, *stat_blksize, *stat_blocks;
1537    php_stream *stream;
1538    php_stream_statbuf stat_ssb;
1539    char *stat_sb_names[13] = {
1540        "dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
1541        "size", "atime", "mtime", "ctime", "blksize", "blocks"
1542    };
1543
1544    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &fp) == FAILURE) {
1545        RETURN_FALSE;
1546    }
1547
1548    PHP_STREAM_TO_ZVAL(stream, &fp);
1549
1550    if (php_stream_stat(stream, &stat_ssb)) {
1551        RETURN_FALSE;
1552    }
1553
1554    array_init(return_value);
1555
1556    MAKE_LONG_ZVAL_INCREF(stat_dev, stat_ssb.sb.st_dev);
1557    MAKE_LONG_ZVAL_INCREF(stat_ino, stat_ssb.sb.st_ino);
1558    MAKE_LONG_ZVAL_INCREF(stat_mode, stat_ssb.sb.st_mode);
1559    MAKE_LONG_ZVAL_INCREF(stat_nlink, stat_ssb.sb.st_nlink);
1560    MAKE_LONG_ZVAL_INCREF(stat_uid, stat_ssb.sb.st_uid);
1561    MAKE_LONG_ZVAL_INCREF(stat_gid, stat_ssb.sb.st_gid);
1562#ifdef HAVE_ST_RDEV
1563    MAKE_LONG_ZVAL_INCREF(stat_rdev, stat_ssb.sb.st_rdev);
1564#else
1565    MAKE_LONG_ZVAL_INCREF(stat_rdev, -1);
1566#endif
1567    MAKE_LONG_ZVAL_INCREF(stat_size, stat_ssb.sb.st_size);
1568    MAKE_LONG_ZVAL_INCREF(stat_atime, stat_ssb.sb.st_atime);
1569    MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_ssb.sb.st_mtime);
1570    MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_ssb.sb.st_ctime);
1571#ifdef HAVE_ST_BLKSIZE
1572    MAKE_LONG_ZVAL_INCREF(stat_blksize, stat_ssb.sb.st_blksize);
1573#else
1574    MAKE_LONG_ZVAL_INCREF(stat_blksize,-1);
1575#endif
1576#ifdef HAVE_ST_BLOCKS
1577    MAKE_LONG_ZVAL_INCREF(stat_blocks, stat_ssb.sb.st_blocks);
1578#else
1579    MAKE_LONG_ZVAL_INCREF(stat_blocks,-1);
1580#endif
1581    /* Store numeric indexes in propper order */
1582    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_dev, sizeof(zval *), NULL);
1583    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ino, sizeof(zval *), NULL);
1584    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mode, sizeof(zval *), NULL);
1585    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_nlink, sizeof(zval *), NULL);
1586    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_uid, sizeof(zval *), NULL);
1587    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_gid, sizeof(zval *), NULL);
1588    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_rdev, sizeof(zval *), NULL);
1589    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_size, sizeof(zval *), NULL);
1590    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_atime, sizeof(zval *), NULL);
1591    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mtime, sizeof(zval *), NULL);
1592    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ctime, sizeof(zval *), NULL);
1593    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blksize, sizeof(zval *), NULL);
1594    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blocks, sizeof(zval *), NULL);
1595
1596    /* Store string indexes referencing the same zval*/
1597    zend_hash_update(HASH_OF(return_value), stat_sb_names[0], strlen(stat_sb_names[0])+1, (void *)&stat_dev, sizeof(zval *), NULL);
1598    zend_hash_update(HASH_OF(return_value), stat_sb_names[1], strlen(stat_sb_names[1])+1, (void *)&stat_ino, sizeof(zval *), NULL);
1599    zend_hash_update(HASH_OF(return_value), stat_sb_names[2], strlen(stat_sb_names[2])+1, (void *)&stat_mode, sizeof(zval *), NULL);
1600    zend_hash_update(HASH_OF(return_value), stat_sb_names[3], strlen(stat_sb_names[3])+1, (void *)&stat_nlink, sizeof(zval *), NULL);
1601    zend_hash_update(HASH_OF(return_value), stat_sb_names[4], strlen(stat_sb_names[4])+1, (void *)&stat_uid, sizeof(zval *), NULL);
1602    zend_hash_update(HASH_OF(return_value), stat_sb_names[5], strlen(stat_sb_names[5])+1, (void *)&stat_gid, sizeof(zval *), NULL);
1603    zend_hash_update(HASH_OF(return_value), stat_sb_names[6], strlen(stat_sb_names[6])+1, (void *)&stat_rdev, sizeof(zval *), NULL);
1604    zend_hash_update(HASH_OF(return_value), stat_sb_names[7], strlen(stat_sb_names[7])+1, (void *)&stat_size, sizeof(zval *), NULL);
1605    zend_hash_update(HASH_OF(return_value), stat_sb_names[8], strlen(stat_sb_names[8])+1, (void *)&stat_atime, sizeof(zval *), NULL);
1606    zend_hash_update(HASH_OF(return_value), stat_sb_names[9], strlen(stat_sb_names[9])+1, (void *)&stat_mtime, sizeof(zval *), NULL);
1607    zend_hash_update(HASH_OF(return_value), stat_sb_names[10], strlen(stat_sb_names[10])+1, (void *)&stat_ctime, sizeof(zval *), NULL);
1608    zend_hash_update(HASH_OF(return_value), stat_sb_names[11], strlen(stat_sb_names[11])+1, (void *)&stat_blksize, sizeof(zval *), NULL);
1609    zend_hash_update(HASH_OF(return_value), stat_sb_names[12], strlen(stat_sb_names[12])+1, (void *)&stat_blocks, sizeof(zval *), NULL);
1610}
1611/* }}} */
1612
1613/* {{{ proto bool copy(string source_file, string destination_file [, resource context])
1614   Copy a file */
1615PHP_FUNCTION(copy)
1616{
1617    char *source, *target;
1618    int source_len, target_len;
1619    zval *zcontext = NULL;
1620    php_stream_context *context;
1621
1622    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &source, &source_len, &target, &target_len, &zcontext) == FAILURE) {
1623        return;
1624    }
1625
1626    if (php_check_open_basedir(source TSRMLS_CC)) {
1627        RETURN_FALSE;
1628    }
1629
1630    context = php_stream_context_from_zval(zcontext, 0);
1631
1632    if (php_copy_file_ctx(source, target, 0, context TSRMLS_CC) == SUCCESS) {
1633        RETURN_TRUE;
1634    } else {
1635        RETURN_FALSE;
1636    }
1637}
1638/* }}} */
1639
1640/* {{{ php_copy_file
1641 */
1642PHPAPI int php_copy_file(const char *src, const char *dest TSRMLS_DC)
1643{
1644    return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
1645}
1646/* }}} */
1647
1648/* {{{ php_copy_file_ex
1649 */
1650PHPAPI int php_copy_file_ex(const char *src, const char *dest, int src_flg TSRMLS_DC)
1651{
1652    return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
1653}
1654/* }}} */
1655
1656/* {{{ php_copy_file_ctx
1657 */
1658PHPAPI int php_copy_file_ctx(const char *src, const char *dest, int src_flg, php_stream_context *ctx TSRMLS_DC)
1659{
1660    php_stream *srcstream = NULL, *deststream = NULL;
1661    int ret = FAILURE;
1662    php_stream_statbuf src_s, dest_s;
1663
1664    switch (php_stream_stat_path_ex(src, 0, &src_s, ctx)) {
1665        case -1:
1666            /* non-statable stream */
1667            goto safe_to_copy;
1668            break;
1669        case 0:
1670            break;
1671        default: /* failed to stat file, does not exist? */
1672            return ret;
1673    }
1674    if (S_ISDIR(src_s.sb.st_mode)) {
1675        php_error_docref(NULL TSRMLS_CC, E_WARNING, "The first argument to copy() function cannot be a directory");
1676        return FAILURE;
1677    }
1678
1679    switch (php_stream_stat_path_ex(dest, PHP_STREAM_URL_STAT_QUIET | PHP_STREAM_URL_STAT_NOCACHE, &dest_s, ctx)) {
1680        case -1:
1681            /* non-statable stream */
1682            goto safe_to_copy;
1683            break;
1684        case 0:
1685            break;
1686        default: /* failed to stat file, does not exist? */
1687            return ret;
1688    }
1689    if (S_ISDIR(dest_s.sb.st_mode)) {
1690        php_error_docref(NULL TSRMLS_CC, E_WARNING, "The second argument to copy() function cannot be a directory");
1691        return FAILURE;
1692    }
1693    if (!src_s.sb.st_ino || !dest_s.sb.st_ino) {
1694        goto no_stat;
1695    }
1696    if (src_s.sb.st_ino == dest_s.sb.st_ino && src_s.sb.st_dev == dest_s.sb.st_dev) {
1697        return ret;
1698    } else {
1699        goto safe_to_copy;
1700    }
1701no_stat:
1702    {
1703        char *sp, *dp;
1704        int res;
1705
1706        if ((sp = expand_filepath(src, NULL TSRMLS_CC)) == NULL) {
1707            return ret;
1708        }
1709        if ((dp = expand_filepath(dest, NULL TSRMLS_CC)) == NULL) {
1710            efree(sp);
1711            goto safe_to_copy;
1712        }
1713
1714        res =
1715#ifndef PHP_WIN32
1716            !strcmp(sp, dp);
1717#else
1718            !strcasecmp(sp, dp);
1719#endif
1720
1721        efree(sp);
1722        efree(dp);
1723        if (res) {
1724            return ret;
1725        }
1726    }
1727safe_to_copy:
1728
1729    srcstream = php_stream_open_wrapper_ex(src, "rb", src_flg | REPORT_ERRORS, NULL, ctx);
1730
1731    if (!srcstream) {
1732        return ret;
1733    }
1734
1735    deststream = php_stream_open_wrapper_ex(dest, "wb", REPORT_ERRORS, NULL, ctx);
1736
1737    if (srcstream && deststream) {
1738        ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL);
1739    }
1740    if (srcstream) {
1741        php_stream_close(srcstream);
1742    }
1743    if (deststream) {
1744        php_stream_close(deststream);
1745    }
1746    return ret;
1747}
1748/* }}} */
1749
1750/* {{{ proto string fread(resource fp, int length)
1751   Binary-safe file read */
1752PHPAPI PHP_FUNCTION(fread)
1753{
1754    zval *arg1;
1755    long len;
1756    php_stream *stream;
1757
1758    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &arg1, &len) == FAILURE) {
1759        RETURN_FALSE;
1760    }
1761
1762    PHP_STREAM_TO_ZVAL(stream, &arg1);
1763
1764    if (len <= 0) {
1765        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1766        RETURN_FALSE;
1767    }
1768
1769    Z_STRVAL_P(return_value) = emalloc(len + 1);
1770    Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len);
1771
1772    /* needed because recv/read/gzread doesnt put a null at the end*/
1773    Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0;
1774    Z_TYPE_P(return_value) = IS_STRING;
1775}
1776/* }}} */
1777
1778static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len, const char delimiter TSRMLS_DC) /* {{{ */
1779{
1780    int inc_len;
1781    unsigned char last_chars[2] = { 0, 0 };
1782
1783    while (len > 0) {
1784        inc_len = (*ptr == '\0' ? 1: php_mblen(ptr, len));
1785        switch (inc_len) {
1786            case -2:
1787            case -1:
1788                inc_len = 1;
1789                php_ignore_value(php_mblen(NULL, 0));
1790                break;
1791            case 0:
1792                goto quit_loop;
1793            case 1:
1794            default:
1795                last_chars[0] = last_chars[1];
1796                last_chars[1] = *ptr;
1797                break;
1798        }
1799        ptr += inc_len;
1800        len -= inc_len;
1801    }
1802quit_loop:
1803    switch (last_chars[1]) {
1804        case '\n':
1805            if (last_chars[0] == '\r') {
1806                return ptr - 2;
1807            }
1808            /* break is omitted intentionally */
1809        case '\r':
1810            return ptr - 1;
1811    }
1812    return ptr;
1813}
1814/* }}} */
1815
1816#define FPUTCSV_FLD_CHK(c) memchr(Z_STRVAL(field), c, Z_STRLEN(field))
1817
1818/* {{{ proto int fputcsv(resource fp, array fields [, string delimiter [, string enclosure [, string escape_char]]])
1819   Format line as CSV and write to file pointer */
1820PHP_FUNCTION(fputcsv)
1821{
1822    char delimiter = ',';    /* allow this to be set as parameter */
1823    char enclosure = '"';    /* allow this to be set as parameter */
1824    char escape_char = '\\'; /* allow this to be set as parameter */
1825    php_stream *stream;
1826    zval *fp = NULL, *fields = NULL;
1827    int ret;
1828    char *delimiter_str = NULL, *enclosure_str = NULL, *escape_str = NULL;
1829    int delimiter_str_len = 0, enclosure_str_len = 0, escape_str_len = 0;
1830
1831    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra|sss",
1832            &fp, &fields, &delimiter_str, &delimiter_str_len,
1833            &enclosure_str, &enclosure_str_len,
1834            &escape_str, &escape_str_len) == FAILURE) {
1835        return;
1836    }
1837
1838    if (delimiter_str != NULL) {
1839        /* Make sure that there is at least one character in string */
1840        if (delimiter_str_len < 1) {
1841            php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
1842            RETURN_FALSE;
1843        } else if (delimiter_str_len > 1) {
1844            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
1845        }
1846
1847        /* use first character from string */
1848        delimiter = *delimiter_str;
1849    }
1850
1851    if (enclosure_str != NULL) {
1852        if (enclosure_str_len < 1) {
1853            php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
1854            RETURN_FALSE;
1855        } else if (enclosure_str_len > 1) {
1856            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
1857        }
1858        /* use first character from string */
1859        enclosure = *enclosure_str;
1860    }
1861
1862    if (escape_str != NULL) {
1863        if (escape_str_len < 1) {
1864            php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be a character");
1865            RETURN_FALSE;
1866        } else if (escape_str_len > 1) {
1867            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
1868        }
1869        /* use first character from string */
1870        escape_char = *escape_str;
1871    }
1872
1873    PHP_STREAM_TO_ZVAL(stream, &fp);
1874
1875    ret = php_fputcsv(stream, fields, delimiter, enclosure, escape_char TSRMLS_CC);
1876    RETURN_LONG(ret);
1877}
1878/* }}} */
1879
1880/* {{{ PHPAPI int php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC) */
1881PHPAPI int php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC)
1882{
1883    int count, i = 0, ret;
1884    zval **field_tmp = NULL, field;
1885    smart_str csvline = {0};
1886    HashPosition pos;
1887
1888    count = zend_hash_num_elements(Z_ARRVAL_P(fields));
1889    zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(fields), &pos);
1890    while (zend_hash_get_current_data_ex(Z_ARRVAL_P(fields), (void **) &field_tmp, &pos) == SUCCESS) {
1891        field = **field_tmp;
1892
1893        if (Z_TYPE_PP(field_tmp) != IS_STRING) {
1894            zval_copy_ctor(&field);
1895            convert_to_string(&field);
1896        }
1897
1898        /* enclose a field that contains a delimiter, an enclosure character, or a newline */
1899        if (FPUTCSV_FLD_CHK(delimiter) ||
1900            FPUTCSV_FLD_CHK(enclosure) ||
1901            FPUTCSV_FLD_CHK(escape_char) ||
1902            FPUTCSV_FLD_CHK('\n') ||
1903            FPUTCSV_FLD_CHK('\r') ||
1904            FPUTCSV_FLD_CHK('\t') ||
1905            FPUTCSV_FLD_CHK(' ')
1906        ) {
1907            char *ch = Z_STRVAL(field);
1908            char *end = ch + Z_STRLEN(field);
1909            int escaped = 0;
1910
1911            smart_str_appendc(&csvline, enclosure);
1912            while (ch < end) {
1913                if (*ch == escape_char) {
1914                    escaped = 1;
1915                } else if (!escaped && *ch == enclosure) {
1916                    smart_str_appendc(&csvline, enclosure);
1917                } else {
1918                    escaped = 0;
1919                }
1920                smart_str_appendc(&csvline, *ch);
1921                ch++;
1922            }
1923            smart_str_appendc(&csvline, enclosure);
1924        } else {
1925            smart_str_appendl(&csvline, Z_STRVAL(field), Z_STRLEN(field));
1926        }
1927
1928        if (++i != count) {
1929            smart_str_appendl(&csvline, &delimiter, 1);
1930        }
1931        zend_hash_move_forward_ex(Z_ARRVAL_P(fields), &pos);
1932
1933        if (Z_TYPE_PP(field_tmp) != IS_STRING) {
1934            zval_dtor(&field);
1935        }
1936    }
1937
1938    smart_str_appendc(&csvline, '\n');
1939    smart_str_0(&csvline);
1940
1941    ret = php_stream_write(stream, csvline.c, csvline.len);
1942
1943    smart_str_free(&csvline);
1944
1945    return ret;
1946}
1947/* }}} */
1948
1949/* {{{ proto array fgetcsv(resource fp [,int length [, string delimiter [, string enclosure [, string escape]]]])
1950   Get line from file pointer and parse for CSV fields */
1951PHP_FUNCTION(fgetcsv)
1952{
1953    char delimiter = ',';   /* allow this to be set as parameter */
1954    char enclosure = '"';   /* allow this to be set as parameter */
1955    char escape = '\\';
1956
1957    /* first section exactly as php_fgetss */
1958
1959    long len = 0;
1960    size_t buf_len;
1961    char *buf;
1962    php_stream *stream;
1963
1964    {
1965        zval *fd, **len_zv = NULL;
1966        char *delimiter_str = NULL;
1967        int delimiter_str_len = 0;
1968        char *enclosure_str = NULL;
1969        int enclosure_str_len = 0;
1970        char *escape_str = NULL;
1971        int escape_str_len = 0;
1972
1973        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|Zsss",
1974            &fd, &len_zv, &delimiter_str, &delimiter_str_len,
1975            &enclosure_str, &enclosure_str_len,
1976            &escape_str, &escape_str_len) == FAILURE
1977        ) {
1978            return;
1979        }
1980
1981        if (delimiter_str != NULL) {
1982            /* Make sure that there is at least one character in string */
1983            if (delimiter_str_len < 1) {
1984                php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
1985                RETURN_FALSE;
1986            } else if (delimiter_str_len > 1) {
1987                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
1988            }
1989
1990            /* use first character from string */
1991            delimiter = delimiter_str[0];
1992        }
1993
1994        if (enclosure_str != NULL) {
1995            if (enclosure_str_len < 1) {
1996                php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
1997                RETURN_FALSE;
1998            } else if (enclosure_str_len > 1) {
1999                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
2000            }
2001
2002            /* use first character from string */
2003            enclosure = enclosure_str[0];
2004        }
2005
2006        if (escape_str != NULL) {
2007            if (escape_str_len < 1) {
2008                php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be character");
2009                RETURN_FALSE;
2010            } else if (escape_str_len > 1) {
2011                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
2012            }
2013
2014            escape = escape_str[0];
2015        }
2016
2017        if (len_zv != NULL && Z_TYPE_PP(len_zv) != IS_NULL) {
2018            convert_to_long_ex(len_zv);
2019            len = Z_LVAL_PP(len_zv);
2020            if (len < 0) {
2021                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter may not be negative");
2022                RETURN_FALSE;
2023            } else if (len == 0) {
2024                len = -1;
2025            }
2026        } else {
2027            len = -1;
2028        }
2029
2030        PHP_STREAM_TO_ZVAL(stream, &fd);
2031    }
2032
2033    if (len < 0) {
2034        if ((buf = php_stream_get_line(stream, NULL, 0, &buf_len)) == NULL) {
2035            RETURN_FALSE;
2036        }
2037    } else {
2038        buf = emalloc(len + 1);
2039        if (php_stream_get_line(stream, buf, len + 1, &buf_len) == NULL) {
2040            efree(buf);
2041            RETURN_FALSE;
2042        }
2043    }
2044
2045    php_fgetcsv(stream, delimiter, enclosure, escape, buf_len, buf, return_value TSRMLS_CC);
2046}
2047/* }}} */
2048
2049PHPAPI void php_fgetcsv(php_stream *stream, char delimiter, char enclosure, char escape_char, size_t buf_len, char *buf, zval *return_value TSRMLS_DC) /* {{{ */
2050{
2051    char *temp, *tptr, *bptr, *line_end, *limit;
2052    size_t temp_len, line_end_len;
2053    int inc_len;
2054    zend_bool first_field = 1;
2055
2056    /* initialize internal state */
2057    php_ignore_value(php_mblen(NULL, 0));
2058
2059    /* Now into new section that parses buf for delimiter/enclosure fields */
2060
2061    /* Strip trailing space from buf, saving end of line in case required for enclosure field */
2062
2063    bptr = buf;
2064    tptr = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
2065    line_end_len = buf_len - (size_t)(tptr - buf);
2066    line_end = limit = tptr;
2067
2068    /* reserve workspace for building each individual field */
2069    temp_len = buf_len;
2070    temp = emalloc(temp_len + line_end_len + 1);
2071
2072    /* Initialize return array */
2073    array_init(return_value);
2074
2075    /* Main loop to read CSV fields */
2076    /* NB this routine will return a single null entry for a blank line */
2077
2078    do {
2079        char *comp_end, *hunk_begin;
2080
2081        tptr = temp;
2082
2083        inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2084        if (inc_len == 1) {
2085            char *tmp = bptr;
2086            while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) {
2087                tmp++;
2088            }
2089            if (*tmp == enclosure) {
2090                bptr = tmp;
2091            }
2092        }
2093
2094        if (first_field && bptr == line_end) {
2095            add_next_index_null(return_value);
2096            break;
2097        }
2098        first_field = 0;
2099        /* 2. Read field, leaving bptr pointing at start of next field */
2100        if (inc_len != 0 && *bptr == enclosure) {
2101            int state = 0;
2102
2103            bptr++; /* move on to first character in field */
2104            hunk_begin = bptr;
2105
2106            /* 2A. handle enclosure delimited field */
2107            for (;;) {
2108                switch (inc_len) {
2109                    case 0:
2110                        switch (state) {
2111                            case 2:
2112                                memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2113                                tptr += (bptr - hunk_begin - 1);
2114                                hunk_begin = bptr;
2115                                goto quit_loop_2;
2116
2117                            case 1:
2118                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2119                                tptr += (bptr - hunk_begin);
2120                                hunk_begin = bptr;
2121                                /* break is omitted intentionally */
2122
2123                            case 0: {
2124                                char *new_buf;
2125                                size_t new_len;
2126                                char *new_temp;
2127
2128                                if (hunk_begin != line_end) {
2129                                    memcpy(tptr, hunk_begin, bptr - hunk_begin);
2130                                    tptr += (bptr - hunk_begin);
2131                                    hunk_begin = bptr;
2132                                }
2133
2134                                /* add the embedded line end to the field */
2135                                memcpy(tptr, line_end, line_end_len);
2136                                tptr += line_end_len;
2137
2138                                if (stream == NULL) {
2139                                    goto quit_loop_2;
2140                                } else if ((new_buf = php_stream_get_line(stream, NULL, 0, &new_len)) == NULL) {
2141                                    /* we've got an unterminated enclosure,
2142                                     * assign all the data from the start of
2143                                     * the enclosure to end of data to the
2144                                     * last element */
2145                                    if ((size_t)temp_len > (size_t)(limit - buf)) {
2146                                        goto quit_loop_2;
2147                                    }
2148                                    zval_dtor(return_value);
2149                                    RETVAL_FALSE;
2150                                    goto out;
2151                                }
2152                                temp_len += new_len;
2153                                new_temp = erealloc(temp, temp_len);
2154                                tptr = new_temp + (size_t)(tptr - temp);
2155                                temp = new_temp;
2156
2157                                efree(buf);
2158                                buf_len = new_len;
2159                                bptr = buf = new_buf;
2160                                hunk_begin = buf;
2161
2162                                line_end = limit = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
2163                                line_end_len = buf_len - (size_t)(limit - buf);
2164
2165                                state = 0;
2166                            } break;
2167                        }
2168                        break;
2169
2170                    case -2:
2171                    case -1:
2172                        php_ignore_value(php_mblen(NULL, 0));
2173                        /* break is omitted intentionally */
2174                    case 1:
2175                        /* we need to determine if the enclosure is
2176                         * 'real' or is it escaped */
2177                        switch (state) {
2178                            case 1: /* escaped */
2179                                bptr++;
2180                                state = 0;
2181                                break;
2182                            case 2: /* embedded enclosure ? let's check it */
2183                                if (*bptr != enclosure) {
2184                                    /* real enclosure */
2185                                    memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2186                                    tptr += (bptr - hunk_begin - 1);
2187                                    hunk_begin = bptr;
2188                                    goto quit_loop_2;
2189                                }
2190                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2191                                tptr += (bptr - hunk_begin);
2192                                bptr++;
2193                                hunk_begin = bptr;
2194                                state = 0;
2195                                break;
2196                            default:
2197                                if (*bptr == enclosure) {
2198                                    state = 2;
2199                                } else if (*bptr == escape_char) {
2200                                    state = 1;
2201                                }
2202                                bptr++;
2203                                break;
2204                        }
2205                        break;
2206
2207                    default:
2208                        switch (state) {
2209                            case 2:
2210                                /* real enclosure */
2211                                memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2212                                tptr += (bptr - hunk_begin - 1);
2213                                hunk_begin = bptr;
2214                                goto quit_loop_2;
2215                            case 1:
2216                                bptr += inc_len;
2217                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2218                                tptr += (bptr - hunk_begin);
2219                                hunk_begin = bptr;
2220                                break;
2221                            default:
2222                                bptr += inc_len;
2223                                break;
2224                        }
2225                        break;
2226                }
2227                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2228            }
2229
2230        quit_loop_2:
2231            /* look up for a delimiter */
2232            for (;;) {
2233                switch (inc_len) {
2234                    case 0:
2235                        goto quit_loop_3;
2236
2237                    case -2:
2238                    case -1:
2239                        inc_len = 1;
2240                        php_ignore_value(php_mblen(NULL, 0));
2241                        /* break is omitted intentionally */
2242                    case 1:
2243                        if (*bptr == delimiter) {
2244                            goto quit_loop_3;
2245                        }
2246                        break;
2247                    default:
2248                        break;
2249                }
2250                bptr += inc_len;
2251                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2252            }
2253
2254        quit_loop_3:
2255            memcpy(tptr, hunk_begin, bptr - hunk_begin);
2256            tptr += (bptr - hunk_begin);
2257            bptr += inc_len;
2258            comp_end = tptr;
2259        } else {
2260            /* 2B. Handle non-enclosure field */
2261
2262            hunk_begin = bptr;
2263
2264            for (;;) {
2265                switch (inc_len) {
2266                    case 0:
2267                        goto quit_loop_4;
2268                    case -2:
2269                    case -1:
2270                        inc_len = 1;
2271                        php_ignore_value(php_mblen(NULL, 0));
2272                        /* break is omitted intentionally */
2273                    case 1:
2274                        if (*bptr == delimiter) {
2275                            goto quit_loop_4;
2276                        }
2277                        break;
2278                    default:
2279                        break;
2280                }
2281                bptr += inc_len;
2282                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2283            }
2284        quit_loop_4:
2285            memcpy(tptr, hunk_begin, bptr - hunk_begin);
2286            tptr += (bptr - hunk_begin);
2287
2288            comp_end = (char *)php_fgetcsv_lookup_trailing_spaces(temp, tptr - temp, delimiter TSRMLS_CC);
2289            if (*bptr == delimiter) {
2290                bptr++;
2291            }
2292        }
2293
2294        /* 3. Now pass our field back to php */
2295        *comp_end = '\0';
2296        add_next_index_stringl(return_value, temp, comp_end - temp, 1);
2297    } while (inc_len > 0);
2298
2299out:
2300    efree(temp);
2301    if (stream) {
2302        efree(buf);
2303    }
2304}
2305/* }}} */
2306
2307#if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS)
2308/* {{{ proto string realpath(string path)
2309   Return the resolved path */
2310PHP_FUNCTION(realpath)
2311{
2312    char *filename;
2313    int filename_len;
2314    char resolved_path_buff[MAXPATHLEN];
2315
2316    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) {
2317        return;
2318    }
2319
2320    if (VCWD_REALPATH(filename, resolved_path_buff)) {
2321        if (php_check_open_basedir(resolved_path_buff TSRMLS_CC)) {
2322            RETURN_FALSE;
2323        }
2324
2325#ifdef ZTS
2326        if (VCWD_ACCESS(resolved_path_buff, F_OK)) {
2327            RETURN_FALSE;
2328        }
2329#endif
2330        RETURN_STRING(resolved_path_buff, 1);
2331    } else {
2332        RETURN_FALSE;
2333    }
2334}
2335/* }}} */
2336#endif
2337
2338/* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */
2339#define PHP_META_HTML401_CHARS "-_.:"
2340
2341/* {{{ php_next_meta_token
2342   Tokenizes an HTML file for get_meta_tags */
2343php_meta_tags_token php_next_meta_token(php_meta_tags_data *md TSRMLS_DC)
2344{
2345    int ch = 0, compliment;
2346    char buff[META_DEF_BUFSIZE + 1];
2347
2348    memset((void *)buff, 0, META_DEF_BUFSIZE + 1);
2349
2350    while (md->ulc || (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)))) {
2351        if (php_stream_eof(md->stream)) {
2352            break;
2353        }
2354
2355        if (md->ulc) {
2356            ch = md->lc;
2357            md->ulc = 0;
2358        }
2359
2360        switch (ch) {
2361            case '<':
2362                return TOK_OPENTAG;
2363                break;
2364
2365            case '>':
2366                return TOK_CLOSETAG;
2367                break;
2368
2369            case '=':
2370                return TOK_EQUAL;
2371                break;
2372            case '/':
2373                return TOK_SLASH;
2374                break;
2375
2376            case '\'':
2377            case '"':
2378                compliment = ch;
2379                md->token_len = 0;
2380                while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && ch != compliment && ch != '<' && ch != '>') {
2381                    buff[(md->token_len)++] = ch;
2382
2383                    if (md->token_len == META_DEF_BUFSIZE) {
2384                        break;
2385                    }
2386                }
2387
2388                if (ch == '<' || ch == '>') {
2389                    /* Was just an apostrohpe */
2390                    md->ulc = 1;
2391                    md->lc = ch;
2392                }
2393
2394                /* We don't need to alloc unless we are in a meta tag */
2395                if (md->in_meta) {
2396                    md->token_data = (char *) emalloc(md->token_len + 1);
2397                    memcpy(md->token_data, buff, md->token_len+1);
2398                }
2399
2400                return TOK_STRING;
2401                break;
2402
2403            case '\n':
2404            case '\r':
2405            case '\t':
2406                break;
2407
2408            case ' ':
2409                return TOK_SPACE;
2410                break;
2411
2412            default:
2413                if (isalnum(ch)) {
2414                    md->token_len = 0;
2415                    buff[(md->token_len)++] = ch;
2416                    while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) {
2417                        buff[(md->token_len)++] = ch;
2418
2419                        if (md->token_len == META_DEF_BUFSIZE) {
2420                            break;
2421                        }
2422                    }
2423
2424                    /* This is ugly, but we have to replace ungetc */
2425                    if (!isalpha(ch) && ch != '-') {
2426                        md->ulc = 1;
2427                        md->lc = ch;
2428                    }
2429
2430                    md->token_data = (char *) emalloc(md->token_len + 1);
2431                    memcpy(md->token_data, buff, md->token_len+1);
2432
2433                    return TOK_ID;
2434                } else {
2435                    return TOK_OTHER;
2436                }
2437                break;
2438        }
2439    }
2440
2441    return TOK_EOF;
2442}
2443/* }}} */
2444
2445#ifdef HAVE_FNMATCH
2446/* {{{ proto bool fnmatch(string pattern, string filename [, int flags])
2447   Match filename against pattern */
2448PHP_FUNCTION(fnmatch)
2449{
2450    char *pattern, *filename;
2451    int pattern_len, filename_len;
2452    long flags = 0;
2453
2454    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|l", &pattern, &pattern_len, &filename, &filename_len, &flags) == FAILURE) {
2455        return;
2456    }
2457
2458    if (filename_len >= MAXPATHLEN) {
2459        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2460        RETURN_FALSE;
2461    }
2462    if (pattern_len >= MAXPATHLEN) {
2463        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2464        RETURN_FALSE;
2465    }
2466
2467    RETURN_BOOL( ! fnmatch( pattern, filename, flags ));
2468}
2469/* }}} */
2470#endif
2471
2472/* {{{ proto string sys_get_temp_dir()
2473   Returns directory path used for temporary files */
2474PHP_FUNCTION(sys_get_temp_dir)
2475{
2476    if (zend_parse_parameters_none() == FAILURE) {
2477        return;
2478    }
2479    RETURN_STRING((char *)php_get_temporary_directory(TSRMLS_C), 1);
2480}
2481/* }}} */
2482
2483/*
2484 * Local variables:
2485 * tab-width: 4
2486 * c-basic-offset: 4
2487 * End:
2488 * vim600: noet sw=4 ts=4 fdm=marker
2489 * vim<600: noet sw=4 ts=4
2490 */
2491