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 *res, *wouldblock = 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", &res, &operation, &wouldblock) == FAILURE) {
348        return;
349    }
350
351    PHP_STREAM_TO_ZVAL(stream, &res);
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 (wouldblock && PZVAL_IS_REF(wouldblock)) {
360        convert_to_long_ex(&wouldblock);
361        Z_LVAL_P(wouldblock) = 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 && wouldblock && PZVAL_IS_REF(wouldblock)) {
368            Z_LVAL_P(wouldblock) = 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 *res;
900    php_stream *stream;
901
902    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
903        RETURN_FALSE;
904    }
905
906    PHP_STREAM_TO_ZVAL(stream, &res);
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 *res;
972    php_stream *stream;
973
974    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
975        RETURN_FALSE;
976    }
977
978    PHP_STREAM_TO_ZVAL(stream, &res);
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 *res;
992    php_stream *stream;
993
994    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
995        RETURN_FALSE;
996    }
997
998    PHP_STREAM_TO_ZVAL(stream, &res);
999
1000    if (php_stream_eof(stream)) {
1001        RETURN_TRUE;
1002    } else {
1003        RETURN_FALSE;
1004    }
1005}
1006/* }}} */
1007
1008/* {{{ proto string fgets(resource fp[, int length])
1009   Get a line from file pointer */
1010PHPAPI PHP_FUNCTION(fgets)
1011{
1012    zval *res;
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", &res, &len) == FAILURE) {
1020        RETURN_FALSE;
1021    }
1022
1023    PHP_STREAM_TO_ZVAL(stream, &res);
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 *res;
1064    char buf[2];
1065    int result;
1066    php_stream *stream;
1067
1068    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
1069        RETURN_FALSE;
1070    }
1071
1072    PHP_STREAM_TO_ZVAL(stream, &res);
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 *res;
1184    char *input;
1185    int inputlen;
1186    int ret;
1187    int num_bytes;
1188    long maxlen = 0;
1189    php_stream *stream;
1190
1191    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &res, &input, &inputlen, &maxlen) == FAILURE) {
1192        RETURN_FALSE;
1193    }
1194
1195    if (ZEND_NUM_ARGS() == 2) {
1196        num_bytes = inputlen;
1197    } else {
1198        num_bytes = MAX(0, MIN((int) maxlen, inputlen));
1199    }
1200
1201    if (!num_bytes) {
1202        RETURN_LONG(0);
1203    }
1204
1205    PHP_STREAM_TO_ZVAL(stream, &res);
1206
1207    ret = php_stream_write(stream, input, num_bytes);
1208
1209    RETURN_LONG(ret);
1210}
1211/* }}} */
1212
1213/* {{{ proto bool fflush(resource fp)
1214   Flushes output */
1215PHPAPI PHP_FUNCTION(fflush)
1216{
1217    zval *res;
1218    int ret;
1219    php_stream *stream;
1220
1221    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
1222        RETURN_FALSE;
1223    }
1224
1225    PHP_STREAM_TO_ZVAL(stream, &res);
1226
1227    ret = php_stream_flush(stream);
1228    if (ret) {
1229        RETURN_FALSE;
1230    }
1231    RETURN_TRUE;
1232}
1233/* }}} */
1234
1235/* {{{ proto bool rewind(resource fp)
1236   Rewind the position of a file pointer */
1237PHPAPI PHP_FUNCTION(rewind)
1238{
1239    zval *res;
1240    php_stream *stream;
1241
1242    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
1243        RETURN_FALSE;
1244    }
1245
1246    PHP_STREAM_TO_ZVAL(stream, &res);
1247
1248    if (-1 == php_stream_rewind(stream)) {
1249        RETURN_FALSE;
1250    }
1251    RETURN_TRUE;
1252}
1253/* }}} */
1254
1255/* {{{ proto int ftell(resource fp)
1256   Get file pointer's read/write position */
1257PHPAPI PHP_FUNCTION(ftell)
1258{
1259    zval *res;
1260    long ret;
1261    php_stream *stream;
1262
1263    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
1264        RETURN_FALSE;
1265    }
1266
1267    PHP_STREAM_TO_ZVAL(stream, &res);
1268
1269    ret = php_stream_tell(stream);
1270    if (ret == -1)  {
1271        RETURN_FALSE;
1272    }
1273    RETURN_LONG(ret);
1274}
1275/* }}} */
1276
1277/* {{{ proto int fseek(resource fp, int offset [, int whence])
1278   Seek on a file pointer */
1279PHPAPI PHP_FUNCTION(fseek)
1280{
1281    zval *res;
1282    long offset, whence = SEEK_SET;
1283    php_stream *stream;
1284
1285    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|l", &res, &offset, &whence) == FAILURE) {
1286        RETURN_FALSE;
1287    }
1288
1289    PHP_STREAM_TO_ZVAL(stream, &res);
1290
1291    RETURN_LONG(php_stream_seek(stream, offset, whence));
1292}
1293/* }}} */
1294
1295/* {{{ php_mkdir
1296*/
1297
1298/* DEPRECATED APIs: Use php_stream_mkdir() instead */
1299PHPAPI int php_mkdir_ex(const char *dir, long mode, int options TSRMLS_DC)
1300{
1301    int ret;
1302
1303    if (php_check_open_basedir(dir TSRMLS_CC)) {
1304        return -1;
1305    }
1306
1307    if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0 && (options & REPORT_ERRORS)) {
1308        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
1309    }
1310
1311    return ret;
1312}
1313
1314PHPAPI int php_mkdir(const char *dir, long mode TSRMLS_DC)
1315{
1316    return php_mkdir_ex(dir, mode, REPORT_ERRORS TSRMLS_CC);
1317}
1318/* }}} */
1319
1320/* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive [, resource context]]])
1321   Create a directory */
1322PHP_FUNCTION(mkdir)
1323{
1324    char *dir;
1325    int dir_len;
1326    zval *zcontext = NULL;
1327    long mode = 0777;
1328    zend_bool recursive = 0;
1329    php_stream_context *context;
1330
1331    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|lbr", &dir, &dir_len, &mode, &recursive, &zcontext) == FAILURE) {
1332        RETURN_FALSE;
1333    }
1334
1335    context = php_stream_context_from_zval(zcontext, 0);
1336
1337    RETURN_BOOL(php_stream_mkdir(dir, mode, (recursive ? PHP_STREAM_MKDIR_RECURSIVE : 0) | REPORT_ERRORS, context));
1338}
1339/* }}} */
1340
1341/* {{{ proto bool rmdir(string dirname[, resource context])
1342   Remove a directory */
1343PHP_FUNCTION(rmdir)
1344{
1345    char *dir;
1346    int dir_len;
1347    zval *zcontext = NULL;
1348    php_stream_context *context;
1349
1350    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|r", &dir, &dir_len, &zcontext) == FAILURE) {
1351        RETURN_FALSE;
1352    }
1353
1354    context = php_stream_context_from_zval(zcontext, 0);
1355
1356    RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context));
1357}
1358/* }}} */
1359
1360/* {{{ proto int readfile(string filename [, bool use_include_path[, resource context]])
1361   Output a file or a URL */
1362PHP_FUNCTION(readfile)
1363{
1364    char *filename;
1365    int filename_len;
1366    int size = 0;
1367    zend_bool use_include_path = 0;
1368    zval *zcontext = NULL;
1369    php_stream *stream;
1370    php_stream_context *context = NULL;
1371
1372    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|br!", &filename, &filename_len, &use_include_path, &zcontext) == FAILURE) {
1373        RETURN_FALSE;
1374    }
1375
1376    context = php_stream_context_from_zval(zcontext, 0);
1377
1378    stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
1379    if (stream) {
1380        size = php_stream_passthru(stream);
1381        php_stream_close(stream);
1382        RETURN_LONG(size);
1383    }
1384
1385    RETURN_FALSE;
1386}
1387/* }}} */
1388
1389/* {{{ proto int umask([int mask])
1390   Return or change the umask */
1391PHP_FUNCTION(umask)
1392{
1393    long mask = 0;
1394    int oldumask;
1395
1396    oldumask = umask(077);
1397
1398    if (BG(umask) == -1) {
1399        BG(umask) = oldumask;
1400    }
1401
1402    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &mask) == FAILURE) {
1403        RETURN_FALSE;
1404    }
1405
1406    if (ZEND_NUM_ARGS() == 0) {
1407        umask(oldumask);
1408    } else {
1409        umask(mask);
1410    }
1411
1412    RETURN_LONG(oldumask);
1413}
1414/* }}} */
1415
1416/* {{{ proto int fpassthru(resource fp)
1417   Output all remaining data from a file pointer */
1418PHPAPI PHP_FUNCTION(fpassthru)
1419{
1420    zval *res;
1421    int size;
1422    php_stream *stream;
1423
1424    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
1425        RETURN_FALSE;
1426    }
1427
1428    PHP_STREAM_TO_ZVAL(stream, &res);
1429
1430    size = php_stream_passthru(stream);
1431    RETURN_LONG(size);
1432}
1433/* }}} */
1434
1435/* {{{ proto bool rename(string old_name, string new_name[, resource context])
1436   Rename a file */
1437PHP_FUNCTION(rename)
1438{
1439    char *old_name, *new_name;
1440    int old_name_len, new_name_len;
1441    zval *zcontext = NULL;
1442    php_stream_wrapper *wrapper;
1443    php_stream_context *context;
1444
1445    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &old_name, &old_name_len, &new_name, &new_name_len, &zcontext) == FAILURE) {
1446        RETURN_FALSE;
1447    }
1448
1449    wrapper = php_stream_locate_url_wrapper(old_name, NULL, 0 TSRMLS_CC);
1450
1451    if (!wrapper || !wrapper->wops) {
1452        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
1453        RETURN_FALSE;
1454    }
1455
1456    if (!wrapper->wops->rename) {
1457        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s wrapper does not support renaming", wrapper->wops->label ? wrapper->wops->label : "Source");
1458        RETURN_FALSE;
1459    }
1460
1461    if (wrapper != php_stream_locate_url_wrapper(new_name, NULL, 0 TSRMLS_CC)) {
1462        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot rename a file across wrapper types");
1463        RETURN_FALSE;
1464    }
1465
1466    context = php_stream_context_from_zval(zcontext, 0);
1467
1468    RETURN_BOOL(wrapper->wops->rename(wrapper, old_name, new_name, 0, context TSRMLS_CC));
1469}
1470/* }}} */
1471
1472/* {{{ proto bool unlink(string filename[, context context])
1473   Delete a file */
1474PHP_FUNCTION(unlink)
1475{
1476    char *filename;
1477    int filename_len;
1478    php_stream_wrapper *wrapper;
1479    zval *zcontext = NULL;
1480    php_stream_context *context = NULL;
1481
1482    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|r", &filename, &filename_len, &zcontext) == FAILURE) {
1483        RETURN_FALSE;
1484    }
1485
1486    context = php_stream_context_from_zval(zcontext, 0);
1487
1488    wrapper = php_stream_locate_url_wrapper(filename, NULL, 0 TSRMLS_CC);
1489
1490    if (!wrapper || !wrapper->wops) {
1491        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
1492        RETURN_FALSE;
1493    }
1494
1495    if (!wrapper->wops->unlink) {
1496        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper");
1497        RETURN_FALSE;
1498    }
1499    RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, REPORT_ERRORS, context TSRMLS_CC));
1500}
1501/* }}} */
1502
1503/* {{{ proto bool ftruncate(resource fp, int size)
1504   Truncate file to 'size' length */
1505PHP_NAMED_FUNCTION(php_if_ftruncate)
1506{
1507    zval *fp;
1508    long size;
1509    php_stream *stream;
1510
1511    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &fp, &size) == FAILURE) {
1512        RETURN_FALSE;
1513    }
1514
1515    PHP_STREAM_TO_ZVAL(stream, &fp);
1516
1517    if (!php_stream_truncate_supported(stream)) {
1518        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't truncate this stream!");
1519        RETURN_FALSE;
1520    }
1521
1522    RETURN_BOOL(0 == php_stream_truncate_set_size(stream, size));
1523}
1524/* }}} */
1525
1526/* {{{ proto array fstat(resource fp)
1527   Stat() on a filehandle */
1528PHP_NAMED_FUNCTION(php_if_fstat)
1529{
1530    zval *fp;
1531    zval *stat_dev, *stat_ino, *stat_mode, *stat_nlink, *stat_uid, *stat_gid, *stat_rdev,
1532         *stat_size, *stat_atime, *stat_mtime, *stat_ctime, *stat_blksize, *stat_blocks;
1533    php_stream *stream;
1534    php_stream_statbuf stat_ssb;
1535    char *stat_sb_names[13] = {
1536        "dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
1537        "size", "atime", "mtime", "ctime", "blksize", "blocks"
1538    };
1539
1540    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &fp) == FAILURE) {
1541        RETURN_FALSE;
1542    }
1543
1544    PHP_STREAM_TO_ZVAL(stream, &fp);
1545
1546    if (php_stream_stat(stream, &stat_ssb)) {
1547        RETURN_FALSE;
1548    }
1549
1550    array_init(return_value);
1551
1552    MAKE_LONG_ZVAL_INCREF(stat_dev, stat_ssb.sb.st_dev);
1553    MAKE_LONG_ZVAL_INCREF(stat_ino, stat_ssb.sb.st_ino);
1554    MAKE_LONG_ZVAL_INCREF(stat_mode, stat_ssb.sb.st_mode);
1555    MAKE_LONG_ZVAL_INCREF(stat_nlink, stat_ssb.sb.st_nlink);
1556    MAKE_LONG_ZVAL_INCREF(stat_uid, stat_ssb.sb.st_uid);
1557    MAKE_LONG_ZVAL_INCREF(stat_gid, stat_ssb.sb.st_gid);
1558#ifdef HAVE_ST_RDEV
1559    MAKE_LONG_ZVAL_INCREF(stat_rdev, stat_ssb.sb.st_rdev);
1560#else
1561    MAKE_LONG_ZVAL_INCREF(stat_rdev, -1);
1562#endif
1563    MAKE_LONG_ZVAL_INCREF(stat_size, stat_ssb.sb.st_size);
1564    MAKE_LONG_ZVAL_INCREF(stat_atime, stat_ssb.sb.st_atime);
1565    MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_ssb.sb.st_mtime);
1566    MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_ssb.sb.st_ctime);
1567#ifdef HAVE_ST_BLKSIZE
1568    MAKE_LONG_ZVAL_INCREF(stat_blksize, stat_ssb.sb.st_blksize);
1569#else
1570    MAKE_LONG_ZVAL_INCREF(stat_blksize,-1);
1571#endif
1572#ifdef HAVE_ST_BLOCKS
1573    MAKE_LONG_ZVAL_INCREF(stat_blocks, stat_ssb.sb.st_blocks);
1574#else
1575    MAKE_LONG_ZVAL_INCREF(stat_blocks,-1);
1576#endif
1577    /* Store numeric indexes in propper order */
1578    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_dev, sizeof(zval *), NULL);
1579    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ino, sizeof(zval *), NULL);
1580    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mode, sizeof(zval *), NULL);
1581    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_nlink, sizeof(zval *), NULL);
1582    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_uid, sizeof(zval *), NULL);
1583    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_gid, sizeof(zval *), NULL);
1584    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_rdev, sizeof(zval *), NULL);
1585    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_size, sizeof(zval *), NULL);
1586    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_atime, sizeof(zval *), NULL);
1587    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mtime, sizeof(zval *), NULL);
1588    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ctime, sizeof(zval *), NULL);
1589    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blksize, sizeof(zval *), NULL);
1590    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blocks, sizeof(zval *), NULL);
1591
1592    /* Store string indexes referencing the same zval*/
1593    zend_hash_update(HASH_OF(return_value), stat_sb_names[0], strlen(stat_sb_names[0])+1, (void *)&stat_dev, sizeof(zval *), NULL);
1594    zend_hash_update(HASH_OF(return_value), stat_sb_names[1], strlen(stat_sb_names[1])+1, (void *)&stat_ino, sizeof(zval *), NULL);
1595    zend_hash_update(HASH_OF(return_value), stat_sb_names[2], strlen(stat_sb_names[2])+1, (void *)&stat_mode, sizeof(zval *), NULL);
1596    zend_hash_update(HASH_OF(return_value), stat_sb_names[3], strlen(stat_sb_names[3])+1, (void *)&stat_nlink, sizeof(zval *), NULL);
1597    zend_hash_update(HASH_OF(return_value), stat_sb_names[4], strlen(stat_sb_names[4])+1, (void *)&stat_uid, sizeof(zval *), NULL);
1598    zend_hash_update(HASH_OF(return_value), stat_sb_names[5], strlen(stat_sb_names[5])+1, (void *)&stat_gid, sizeof(zval *), NULL);
1599    zend_hash_update(HASH_OF(return_value), stat_sb_names[6], strlen(stat_sb_names[6])+1, (void *)&stat_rdev, sizeof(zval *), NULL);
1600    zend_hash_update(HASH_OF(return_value), stat_sb_names[7], strlen(stat_sb_names[7])+1, (void *)&stat_size, sizeof(zval *), NULL);
1601    zend_hash_update(HASH_OF(return_value), stat_sb_names[8], strlen(stat_sb_names[8])+1, (void *)&stat_atime, sizeof(zval *), NULL);
1602    zend_hash_update(HASH_OF(return_value), stat_sb_names[9], strlen(stat_sb_names[9])+1, (void *)&stat_mtime, sizeof(zval *), NULL);
1603    zend_hash_update(HASH_OF(return_value), stat_sb_names[10], strlen(stat_sb_names[10])+1, (void *)&stat_ctime, sizeof(zval *), NULL);
1604    zend_hash_update(HASH_OF(return_value), stat_sb_names[11], strlen(stat_sb_names[11])+1, (void *)&stat_blksize, sizeof(zval *), NULL);
1605    zend_hash_update(HASH_OF(return_value), stat_sb_names[12], strlen(stat_sb_names[12])+1, (void *)&stat_blocks, sizeof(zval *), NULL);
1606}
1607/* }}} */
1608
1609/* {{{ proto bool copy(string source_file, string destination_file [, resource context])
1610   Copy a file */
1611PHP_FUNCTION(copy)
1612{
1613    char *source, *target;
1614    int source_len, target_len;
1615    zval *zcontext = NULL;
1616    php_stream_context *context;
1617
1618    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &source, &source_len, &target, &target_len, &zcontext) == FAILURE) {
1619        return;
1620    }
1621
1622    if (php_check_open_basedir(source TSRMLS_CC)) {
1623        RETURN_FALSE;
1624    }
1625
1626    context = php_stream_context_from_zval(zcontext, 0);
1627
1628    if (php_copy_file_ctx(source, target, 0, context TSRMLS_CC) == SUCCESS) {
1629        RETURN_TRUE;
1630    } else {
1631        RETURN_FALSE;
1632    }
1633}
1634/* }}} */
1635
1636/* {{{ php_copy_file
1637 */
1638PHPAPI int php_copy_file(const char *src, const char *dest TSRMLS_DC)
1639{
1640    return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
1641}
1642/* }}} */
1643
1644/* {{{ php_copy_file_ex
1645 */
1646PHPAPI int php_copy_file_ex(const char *src, const char *dest, int src_flg TSRMLS_DC)
1647{
1648    return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
1649}
1650/* }}} */
1651
1652/* {{{ php_copy_file_ctx
1653 */
1654PHPAPI int php_copy_file_ctx(const char *src, const char *dest, int src_flg, php_stream_context *ctx TSRMLS_DC)
1655{
1656    php_stream *srcstream = NULL, *deststream = NULL;
1657    int ret = FAILURE;
1658    php_stream_statbuf src_s, dest_s;
1659
1660    switch (php_stream_stat_path_ex(src, 0, &src_s, ctx)) {
1661        case -1:
1662            /* non-statable stream */
1663            goto safe_to_copy;
1664            break;
1665        case 0:
1666            break;
1667        default: /* failed to stat file, does not exist? */
1668            return ret;
1669    }
1670    if (S_ISDIR(src_s.sb.st_mode)) {
1671        php_error_docref(NULL TSRMLS_CC, E_WARNING, "The first argument to copy() function cannot be a directory");
1672        return FAILURE;
1673    }
1674
1675    switch (php_stream_stat_path_ex(dest, PHP_STREAM_URL_STAT_QUIET | PHP_STREAM_URL_STAT_NOCACHE, &dest_s, ctx)) {
1676        case -1:
1677            /* non-statable stream */
1678            goto safe_to_copy;
1679            break;
1680        case 0:
1681            break;
1682        default: /* failed to stat file, does not exist? */
1683            return ret;
1684    }
1685    if (S_ISDIR(dest_s.sb.st_mode)) {
1686        php_error_docref(NULL TSRMLS_CC, E_WARNING, "The second argument to copy() function cannot be a directory");
1687        return FAILURE;
1688    }
1689    if (!src_s.sb.st_ino || !dest_s.sb.st_ino) {
1690        goto no_stat;
1691    }
1692    if (src_s.sb.st_ino == dest_s.sb.st_ino && src_s.sb.st_dev == dest_s.sb.st_dev) {
1693        return ret;
1694    } else {
1695        goto safe_to_copy;
1696    }
1697no_stat:
1698    {
1699        char *sp, *dp;
1700        int res;
1701
1702        if ((sp = expand_filepath(src, NULL TSRMLS_CC)) == NULL) {
1703            return ret;
1704        }
1705        if ((dp = expand_filepath(dest, NULL TSRMLS_CC)) == NULL) {
1706            efree(sp);
1707            goto safe_to_copy;
1708        }
1709
1710        res =
1711#ifndef PHP_WIN32
1712            !strcmp(sp, dp);
1713#else
1714            !strcasecmp(sp, dp);
1715#endif
1716
1717        efree(sp);
1718        efree(dp);
1719        if (res) {
1720            return ret;
1721        }
1722    }
1723safe_to_copy:
1724
1725    srcstream = php_stream_open_wrapper_ex(src, "rb", src_flg | REPORT_ERRORS, NULL, ctx);
1726
1727    if (!srcstream) {
1728        return ret;
1729    }
1730
1731    deststream = php_stream_open_wrapper_ex(dest, "wb", REPORT_ERRORS, NULL, ctx);
1732
1733    if (srcstream && deststream) {
1734        ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL);
1735    }
1736    if (srcstream) {
1737        php_stream_close(srcstream);
1738    }
1739    if (deststream) {
1740        php_stream_close(deststream);
1741    }
1742    return ret;
1743}
1744/* }}} */
1745
1746/* {{{ proto string fread(resource fp, int length)
1747   Binary-safe file read */
1748PHPAPI PHP_FUNCTION(fread)
1749{
1750    zval *res;
1751    long len;
1752    php_stream *stream;
1753
1754    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &res, &len) == FAILURE) {
1755        RETURN_FALSE;
1756    }
1757
1758    PHP_STREAM_TO_ZVAL(stream, &res);
1759
1760    if (len <= 0) {
1761        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1762        RETURN_FALSE;
1763    }
1764
1765    Z_STRVAL_P(return_value) = emalloc(len + 1);
1766    Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len);
1767
1768    /* needed because recv/read/gzread doesnt put a null at the end*/
1769    Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0;
1770    Z_TYPE_P(return_value) = IS_STRING;
1771}
1772/* }}} */
1773
1774static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len, const char delimiter TSRMLS_DC) /* {{{ */
1775{
1776    int inc_len;
1777    unsigned char last_chars[2] = { 0, 0 };
1778
1779    while (len > 0) {
1780        inc_len = (*ptr == '\0' ? 1: php_mblen(ptr, len));
1781        switch (inc_len) {
1782            case -2:
1783            case -1:
1784                inc_len = 1;
1785                php_ignore_value(php_mblen(NULL, 0));
1786                break;
1787            case 0:
1788                goto quit_loop;
1789            case 1:
1790            default:
1791                last_chars[0] = last_chars[1];
1792                last_chars[1] = *ptr;
1793                break;
1794        }
1795        ptr += inc_len;
1796        len -= inc_len;
1797    }
1798quit_loop:
1799    switch (last_chars[1]) {
1800        case '\n':
1801            if (last_chars[0] == '\r') {
1802                return ptr - 2;
1803            }
1804            /* break is omitted intentionally */
1805        case '\r':
1806            return ptr - 1;
1807    }
1808    return ptr;
1809}
1810/* }}} */
1811
1812#define FPUTCSV_FLD_CHK(c) memchr(Z_STRVAL(field), c, Z_STRLEN(field))
1813
1814/* {{{ proto int fputcsv(resource fp, array fields [, string delimiter [, string enclosure [, string escape_char]]])
1815   Format line as CSV and write to file pointer */
1816PHP_FUNCTION(fputcsv)
1817{
1818    char delimiter = ',';    /* allow this to be set as parameter */
1819    char enclosure = '"';    /* allow this to be set as parameter */
1820    char escape_char = '\\'; /* allow this to be set as parameter */
1821    php_stream *stream;
1822    zval *fp = NULL, *fields = NULL;
1823    int ret;
1824    char *delimiter_str = NULL, *enclosure_str = NULL, *escape_str = NULL;
1825    int delimiter_str_len = 0, enclosure_str_len = 0, escape_str_len = 0;
1826
1827    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra|sss",
1828            &fp, &fields, &delimiter_str, &delimiter_str_len,
1829            &enclosure_str, &enclosure_str_len,
1830            &escape_str, &escape_str_len) == FAILURE) {
1831        return;
1832    }
1833
1834    if (delimiter_str != NULL) {
1835        /* Make sure that there is at least one character in string */
1836        if (delimiter_str_len < 1) {
1837            php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
1838            RETURN_FALSE;
1839        } else if (delimiter_str_len > 1) {
1840            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
1841        }
1842
1843        /* use first character from string */
1844        delimiter = *delimiter_str;
1845    }
1846
1847    if (enclosure_str != NULL) {
1848        if (enclosure_str_len < 1) {
1849            php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
1850            RETURN_FALSE;
1851        } else if (enclosure_str_len > 1) {
1852            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
1853        }
1854        /* use first character from string */
1855        enclosure = *enclosure_str;
1856    }
1857
1858    if (escape_str != NULL) {
1859        if (escape_str_len < 1) {
1860            php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be a character");
1861            RETURN_FALSE;
1862        } else if (escape_str_len > 1) {
1863            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
1864        }
1865        /* use first character from string */
1866        escape_char = *escape_str;
1867    }
1868
1869    PHP_STREAM_TO_ZVAL(stream, &fp);
1870
1871    ret = php_fputcsv(stream, fields, delimiter, enclosure, escape_char TSRMLS_CC);
1872    RETURN_LONG(ret);
1873}
1874/* }}} */
1875
1876/* {{{ PHPAPI int php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC) */
1877PHPAPI int php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC)
1878{
1879    int count, i = 0, ret;
1880    zval **field_tmp = NULL, field;
1881    smart_str csvline = {0};
1882    HashPosition pos;
1883
1884    count = zend_hash_num_elements(Z_ARRVAL_P(fields));
1885    zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(fields), &pos);
1886    while (zend_hash_get_current_data_ex(Z_ARRVAL_P(fields), (void **) &field_tmp, &pos) == SUCCESS) {
1887        field = **field_tmp;
1888
1889        if (Z_TYPE_PP(field_tmp) != IS_STRING) {
1890            zval_copy_ctor(&field);
1891            convert_to_string(&field);
1892        }
1893
1894        /* enclose a field that contains a delimiter, an enclosure character, or a newline */
1895        if (FPUTCSV_FLD_CHK(delimiter) ||
1896            FPUTCSV_FLD_CHK(enclosure) ||
1897            FPUTCSV_FLD_CHK(escape_char) ||
1898            FPUTCSV_FLD_CHK('\n') ||
1899            FPUTCSV_FLD_CHK('\r') ||
1900            FPUTCSV_FLD_CHK('\t') ||
1901            FPUTCSV_FLD_CHK(' ')
1902        ) {
1903            char *ch = Z_STRVAL(field);
1904            char *end = ch + Z_STRLEN(field);
1905            int escaped = 0;
1906
1907            smart_str_appendc(&csvline, enclosure);
1908            while (ch < end) {
1909                if (*ch == escape_char) {
1910                    escaped = 1;
1911                } else if (!escaped && *ch == enclosure) {
1912                    smart_str_appendc(&csvline, enclosure);
1913                } else {
1914                    escaped = 0;
1915                }
1916                smart_str_appendc(&csvline, *ch);
1917                ch++;
1918            }
1919            smart_str_appendc(&csvline, enclosure);
1920        } else {
1921            smart_str_appendl(&csvline, Z_STRVAL(field), Z_STRLEN(field));
1922        }
1923
1924        if (++i != count) {
1925            smart_str_appendl(&csvline, &delimiter, 1);
1926        }
1927        zend_hash_move_forward_ex(Z_ARRVAL_P(fields), &pos);
1928
1929        if (Z_TYPE_PP(field_tmp) != IS_STRING) {
1930            zval_dtor(&field);
1931        }
1932    }
1933
1934    smart_str_appendc(&csvline, '\n');
1935    smart_str_0(&csvline);
1936
1937    ret = php_stream_write(stream, csvline.c, csvline.len);
1938
1939    smart_str_free(&csvline);
1940
1941    return ret;
1942}
1943/* }}} */
1944
1945/* {{{ proto array fgetcsv(resource fp [,int length [, string delimiter [, string enclosure [, string escape]]]])
1946   Get line from file pointer and parse for CSV fields */
1947PHP_FUNCTION(fgetcsv)
1948{
1949    char delimiter = ',';   /* allow this to be set as parameter */
1950    char enclosure = '"';   /* allow this to be set as parameter */
1951    char escape = '\\';
1952
1953    /* first section exactly as php_fgetss */
1954
1955    long len = 0;
1956    size_t buf_len;
1957    char *buf;
1958    php_stream *stream;
1959
1960    {
1961        zval *fd, **len_zv = NULL;
1962        char *delimiter_str = NULL;
1963        int delimiter_str_len = 0;
1964        char *enclosure_str = NULL;
1965        int enclosure_str_len = 0;
1966        char *escape_str = NULL;
1967        int escape_str_len = 0;
1968
1969        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|Zsss",
1970            &fd, &len_zv, &delimiter_str, &delimiter_str_len,
1971            &enclosure_str, &enclosure_str_len,
1972            &escape_str, &escape_str_len) == FAILURE
1973        ) {
1974            return;
1975        }
1976
1977        if (delimiter_str != NULL) {
1978            /* Make sure that there is at least one character in string */
1979            if (delimiter_str_len < 1) {
1980                php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
1981                RETURN_FALSE;
1982            } else if (delimiter_str_len > 1) {
1983                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
1984            }
1985
1986            /* use first character from string */
1987            delimiter = delimiter_str[0];
1988        }
1989
1990        if (enclosure_str != NULL) {
1991            if (enclosure_str_len < 1) {
1992                php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
1993                RETURN_FALSE;
1994            } else if (enclosure_str_len > 1) {
1995                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
1996            }
1997
1998            /* use first character from string */
1999            enclosure = enclosure_str[0];
2000        }
2001
2002        if (escape_str != NULL) {
2003            if (escape_str_len < 1) {
2004                php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be character");
2005                RETURN_FALSE;
2006            } else if (escape_str_len > 1) {
2007                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
2008            }
2009
2010            escape = escape_str[0];
2011        }
2012
2013        if (len_zv != NULL && Z_TYPE_PP(len_zv) != IS_NULL) {
2014            convert_to_long_ex(len_zv);
2015            len = Z_LVAL_PP(len_zv);
2016            if (len < 0) {
2017                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter may not be negative");
2018                RETURN_FALSE;
2019            } else if (len == 0) {
2020                len = -1;
2021            }
2022        } else {
2023            len = -1;
2024        }
2025
2026        PHP_STREAM_TO_ZVAL(stream, &fd);
2027    }
2028
2029    if (len < 0) {
2030        if ((buf = php_stream_get_line(stream, NULL, 0, &buf_len)) == NULL) {
2031            RETURN_FALSE;
2032        }
2033    } else {
2034        buf = emalloc(len + 1);
2035        if (php_stream_get_line(stream, buf, len + 1, &buf_len) == NULL) {
2036            efree(buf);
2037            RETURN_FALSE;
2038        }
2039    }
2040
2041    php_fgetcsv(stream, delimiter, enclosure, escape, buf_len, buf, return_value TSRMLS_CC);
2042}
2043/* }}} */
2044
2045PHPAPI void php_fgetcsv(php_stream *stream, char delimiter, char enclosure, char escape_char, size_t buf_len, char *buf, zval *return_value TSRMLS_DC) /* {{{ */
2046{
2047    char *temp, *tptr, *bptr, *line_end, *limit;
2048    size_t temp_len, line_end_len;
2049    int inc_len;
2050    zend_bool first_field = 1;
2051
2052    /* initialize internal state */
2053    php_ignore_value(php_mblen(NULL, 0));
2054
2055    /* Now into new section that parses buf for delimiter/enclosure fields */
2056
2057    /* Strip trailing space from buf, saving end of line in case required for enclosure field */
2058
2059    bptr = buf;
2060    tptr = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
2061    line_end_len = buf_len - (size_t)(tptr - buf);
2062    line_end = limit = tptr;
2063
2064    /* reserve workspace for building each individual field */
2065    temp_len = buf_len;
2066    temp = emalloc(temp_len + line_end_len + 1);
2067
2068    /* Initialize return array */
2069    array_init(return_value);
2070
2071    /* Main loop to read CSV fields */
2072    /* NB this routine will return a single null entry for a blank line */
2073
2074    do {
2075        char *comp_end, *hunk_begin;
2076
2077        tptr = temp;
2078
2079        inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2080        if (inc_len == 1) {
2081            char *tmp = bptr;
2082            while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) {
2083                tmp++;
2084            }
2085            if (*tmp == enclosure) {
2086                bptr = tmp;
2087            }
2088        }
2089
2090        if (first_field && bptr == line_end) {
2091            add_next_index_null(return_value);
2092            break;
2093        }
2094        first_field = 0;
2095        /* 2. Read field, leaving bptr pointing at start of next field */
2096        if (inc_len != 0 && *bptr == enclosure) {
2097            int state = 0;
2098
2099            bptr++; /* move on to first character in field */
2100            hunk_begin = bptr;
2101
2102            /* 2A. handle enclosure delimited field */
2103            for (;;) {
2104                switch (inc_len) {
2105                    case 0:
2106                        switch (state) {
2107                            case 2:
2108                                memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2109                                tptr += (bptr - hunk_begin - 1);
2110                                hunk_begin = bptr;
2111                                goto quit_loop_2;
2112
2113                            case 1:
2114                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2115                                tptr += (bptr - hunk_begin);
2116                                hunk_begin = bptr;
2117                                /* break is omitted intentionally */
2118
2119                            case 0: {
2120                                char *new_buf;
2121                                size_t new_len;
2122                                char *new_temp;
2123
2124                                if (hunk_begin != line_end) {
2125                                    memcpy(tptr, hunk_begin, bptr - hunk_begin);
2126                                    tptr += (bptr - hunk_begin);
2127                                    hunk_begin = bptr;
2128                                }
2129
2130                                /* add the embedded line end to the field */
2131                                memcpy(tptr, line_end, line_end_len);
2132                                tptr += line_end_len;
2133
2134                                if (stream == NULL) {
2135                                    goto quit_loop_2;
2136                                } else if ((new_buf = php_stream_get_line(stream, NULL, 0, &new_len)) == NULL) {
2137                                    /* we've got an unterminated enclosure,
2138                                     * assign all the data from the start of
2139                                     * the enclosure to end of data to the
2140                                     * last element */
2141                                    if ((size_t)temp_len > (size_t)(limit - buf)) {
2142                                        goto quit_loop_2;
2143                                    }
2144                                    zval_dtor(return_value);
2145                                    RETVAL_FALSE;
2146                                    goto out;
2147                                }
2148                                temp_len += new_len;
2149                                new_temp = erealloc(temp, temp_len);
2150                                tptr = new_temp + (size_t)(tptr - temp);
2151                                temp = new_temp;
2152
2153                                efree(buf);
2154                                buf_len = new_len;
2155                                bptr = buf = new_buf;
2156                                hunk_begin = buf;
2157
2158                                line_end = limit = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
2159                                line_end_len = buf_len - (size_t)(limit - buf);
2160
2161                                state = 0;
2162                            } break;
2163                        }
2164                        break;
2165
2166                    case -2:
2167                    case -1:
2168                        php_ignore_value(php_mblen(NULL, 0));
2169                        /* break is omitted intentionally */
2170                    case 1:
2171                        /* we need to determine if the enclosure is
2172                         * 'real' or is it escaped */
2173                        switch (state) {
2174                            case 1: /* escaped */
2175                                bptr++;
2176                                state = 0;
2177                                break;
2178                            case 2: /* embedded enclosure ? let's check it */
2179                                if (*bptr != enclosure) {
2180                                    /* real enclosure */
2181                                    memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2182                                    tptr += (bptr - hunk_begin - 1);
2183                                    hunk_begin = bptr;
2184                                    goto quit_loop_2;
2185                                }
2186                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2187                                tptr += (bptr - hunk_begin);
2188                                bptr++;
2189                                hunk_begin = bptr;
2190                                state = 0;
2191                                break;
2192                            default:
2193                                if (*bptr == enclosure) {
2194                                    state = 2;
2195                                } else if (*bptr == escape_char) {
2196                                    state = 1;
2197                                }
2198                                bptr++;
2199                                break;
2200                        }
2201                        break;
2202
2203                    default:
2204                        switch (state) {
2205                            case 2:
2206                                /* real enclosure */
2207                                memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2208                                tptr += (bptr - hunk_begin - 1);
2209                                hunk_begin = bptr;
2210                                goto quit_loop_2;
2211                            case 1:
2212                                bptr += inc_len;
2213                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2214                                tptr += (bptr - hunk_begin);
2215                                hunk_begin = bptr;
2216                                break;
2217                            default:
2218                                bptr += inc_len;
2219                                break;
2220                        }
2221                        break;
2222                }
2223                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2224            }
2225
2226        quit_loop_2:
2227            /* look up for a delimiter */
2228            for (;;) {
2229                switch (inc_len) {
2230                    case 0:
2231                        goto quit_loop_3;
2232
2233                    case -2:
2234                    case -1:
2235                        inc_len = 1;
2236                        php_ignore_value(php_mblen(NULL, 0));
2237                        /* break is omitted intentionally */
2238                    case 1:
2239                        if (*bptr == delimiter) {
2240                            goto quit_loop_3;
2241                        }
2242                        break;
2243                    default:
2244                        break;
2245                }
2246                bptr += inc_len;
2247                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2248            }
2249
2250        quit_loop_3:
2251            memcpy(tptr, hunk_begin, bptr - hunk_begin);
2252            tptr += (bptr - hunk_begin);
2253            bptr += inc_len;
2254            comp_end = tptr;
2255        } else {
2256            /* 2B. Handle non-enclosure field */
2257
2258            hunk_begin = bptr;
2259
2260            for (;;) {
2261                switch (inc_len) {
2262                    case 0:
2263                        goto quit_loop_4;
2264                    case -2:
2265                    case -1:
2266                        inc_len = 1;
2267                        php_ignore_value(php_mblen(NULL, 0));
2268                        /* break is omitted intentionally */
2269                    case 1:
2270                        if (*bptr == delimiter) {
2271                            goto quit_loop_4;
2272                        }
2273                        break;
2274                    default:
2275                        break;
2276                }
2277                bptr += inc_len;
2278                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2279            }
2280        quit_loop_4:
2281            memcpy(tptr, hunk_begin, bptr - hunk_begin);
2282            tptr += (bptr - hunk_begin);
2283
2284            comp_end = (char *)php_fgetcsv_lookup_trailing_spaces(temp, tptr - temp, delimiter TSRMLS_CC);
2285            if (*bptr == delimiter) {
2286                bptr++;
2287            }
2288        }
2289
2290        /* 3. Now pass our field back to php */
2291        *comp_end = '\0';
2292        add_next_index_stringl(return_value, temp, comp_end - temp, 1);
2293    } while (inc_len > 0);
2294
2295out:
2296    efree(temp);
2297    if (stream) {
2298        efree(buf);
2299    }
2300}
2301/* }}} */
2302
2303#if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS)
2304/* {{{ proto string realpath(string path)
2305   Return the resolved path */
2306PHP_FUNCTION(realpath)
2307{
2308    char *filename;
2309    int filename_len;
2310    char resolved_path_buff[MAXPATHLEN];
2311
2312    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) {
2313        return;
2314    }
2315
2316    if (VCWD_REALPATH(filename, resolved_path_buff)) {
2317        if (php_check_open_basedir(resolved_path_buff TSRMLS_CC)) {
2318            RETURN_FALSE;
2319        }
2320
2321#ifdef ZTS
2322        if (VCWD_ACCESS(resolved_path_buff, F_OK)) {
2323            RETURN_FALSE;
2324        }
2325#endif
2326        RETURN_STRING(resolved_path_buff, 1);
2327    } else {
2328        RETURN_FALSE;
2329    }
2330}
2331/* }}} */
2332#endif
2333
2334/* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */
2335#define PHP_META_HTML401_CHARS "-_.:"
2336
2337/* {{{ php_next_meta_token
2338   Tokenizes an HTML file for get_meta_tags */
2339php_meta_tags_token php_next_meta_token(php_meta_tags_data *md TSRMLS_DC)
2340{
2341    int ch = 0, compliment;
2342    char buff[META_DEF_BUFSIZE + 1];
2343
2344    memset((void *)buff, 0, META_DEF_BUFSIZE + 1);
2345
2346    while (md->ulc || (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)))) {
2347        if (php_stream_eof(md->stream)) {
2348            break;
2349        }
2350
2351        if (md->ulc) {
2352            ch = md->lc;
2353            md->ulc = 0;
2354        }
2355
2356        switch (ch) {
2357            case '<':
2358                return TOK_OPENTAG;
2359                break;
2360
2361            case '>':
2362                return TOK_CLOSETAG;
2363                break;
2364
2365            case '=':
2366                return TOK_EQUAL;
2367                break;
2368            case '/':
2369                return TOK_SLASH;
2370                break;
2371
2372            case '\'':
2373            case '"':
2374                compliment = ch;
2375                md->token_len = 0;
2376                while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && ch != compliment && ch != '<' && ch != '>') {
2377                    buff[(md->token_len)++] = ch;
2378
2379                    if (md->token_len == META_DEF_BUFSIZE) {
2380                        break;
2381                    }
2382                }
2383
2384                if (ch == '<' || ch == '>') {
2385                    /* Was just an apostrohpe */
2386                    md->ulc = 1;
2387                    md->lc = ch;
2388                }
2389
2390                /* We don't need to alloc unless we are in a meta tag */
2391                if (md->in_meta) {
2392                    md->token_data = (char *) emalloc(md->token_len + 1);
2393                    memcpy(md->token_data, buff, md->token_len+1);
2394                }
2395
2396                return TOK_STRING;
2397                break;
2398
2399            case '\n':
2400            case '\r':
2401            case '\t':
2402                break;
2403
2404            case ' ':
2405                return TOK_SPACE;
2406                break;
2407
2408            default:
2409                if (isalnum(ch)) {
2410                    md->token_len = 0;
2411                    buff[(md->token_len)++] = ch;
2412                    while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) {
2413                        buff[(md->token_len)++] = ch;
2414
2415                        if (md->token_len == META_DEF_BUFSIZE) {
2416                            break;
2417                        }
2418                    }
2419
2420                    /* This is ugly, but we have to replace ungetc */
2421                    if (!isalpha(ch) && ch != '-') {
2422                        md->ulc = 1;
2423                        md->lc = ch;
2424                    }
2425
2426                    md->token_data = (char *) emalloc(md->token_len + 1);
2427                    memcpy(md->token_data, buff, md->token_len+1);
2428
2429                    return TOK_ID;
2430                } else {
2431                    return TOK_OTHER;
2432                }
2433                break;
2434        }
2435    }
2436
2437    return TOK_EOF;
2438}
2439/* }}} */
2440
2441#ifdef HAVE_FNMATCH
2442/* {{{ proto bool fnmatch(string pattern, string filename [, int flags])
2443   Match filename against pattern */
2444PHP_FUNCTION(fnmatch)
2445{
2446    char *pattern, *filename;
2447    int pattern_len, filename_len;
2448    long flags = 0;
2449
2450    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|l", &pattern, &pattern_len, &filename, &filename_len, &flags) == FAILURE) {
2451        return;
2452    }
2453
2454    if (filename_len >= MAXPATHLEN) {
2455        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2456        RETURN_FALSE;
2457    }
2458    if (pattern_len >= MAXPATHLEN) {
2459        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2460        RETURN_FALSE;
2461    }
2462
2463    RETURN_BOOL( ! fnmatch( pattern, filename, flags ));
2464}
2465/* }}} */
2466#endif
2467
2468/* {{{ proto string sys_get_temp_dir()
2469   Returns directory path used for temporary files */
2470PHP_FUNCTION(sys_get_temp_dir)
2471{
2472    if (zend_parse_parameters_none() == FAILURE) {
2473        return;
2474    }
2475    RETURN_STRING((char *)php_get_temporary_directory(TSRMLS_C), 1);
2476}
2477/* }}} */
2478
2479/*
2480 * Local variables:
2481 * tab-width: 4
2482 * c-basic-offset: 4
2483 * End:
2484 * vim600: noet sw=4 ts=4 fdm=marker
2485 * vim<600: noet sw=4 ts=4
2486 */
2487