1/*
2   +----------------------------------------------------------------------+
3   | PHP Version 7                                                        |
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 "zend_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*)res->ptr;
152    if (Z_TYPE(context->options) != IS_UNDEF) {
153        zval_ptr_dtor(&context->options);
154        ZVAL_UNDEF(&context->options);
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    zend_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) {
360        zval_dtor(wouldblock);
361        ZVAL_LONG(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) {
368            ZVAL_LONG(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    size_t 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                    if (name) efree(name);
423                    /* Get the NAME attr (Single word attr, non-quoted) */
424                    temp = name = estrndup(md.token_data, md.token_len);
425
426                    while (temp && *temp) {
427                        if (strchr(PHP_META_UNSAFE, *temp)) {
428                            *temp = '_';
429                        }
430                        temp++;
431                    }
432
433                    have_name = 1;
434                } else if (saw_content) {
435                    if (value) efree(value);
436                    value = estrndup(md.token_data, md.token_len);
437                    have_content = 1;
438                }
439
440                looking_for_val = 0;
441            } else {
442                if (md.in_meta) {
443                    if (strcasecmp("name", md.token_data) == 0) {
444                        saw_name = 1;
445                        saw_content = 0;
446                        looking_for_val = 1;
447                    } else if (strcasecmp("content", md.token_data) == 0) {
448                        saw_name = 0;
449                        saw_content = 1;
450                        looking_for_val = 1;
451                    }
452                }
453            }
454        } else if (tok == TOK_STRING && tok_last == TOK_EQUAL && looking_for_val) {
455            if (saw_name) {
456                if (name) efree(name);
457                /* Get the NAME attr (Quoted single/double) */
458                temp = name = estrndup(md.token_data, md.token_len);
459
460                while (temp && *temp) {
461                    if (strchr(PHP_META_UNSAFE, *temp)) {
462                        *temp = '_';
463                    }
464                    temp++;
465                }
466
467                have_name = 1;
468            } else if (saw_content) {
469                if (value) efree(value);
470                value = estrndup(md.token_data, md.token_len);
471                have_content = 1;
472            }
473
474            looking_for_val = 0;
475        } else if (tok == TOK_OPENTAG) {
476            if (looking_for_val) {
477                looking_for_val = 0;
478                have_name = saw_name = 0;
479                have_content = saw_content = 0;
480            }
481            in_tag = 1;
482        } else if (tok == TOK_CLOSETAG) {
483            if (have_name) {
484                /* For BC */
485                php_strtolower(name, strlen(name));
486                if (have_content) {
487                    add_assoc_string(return_value, name, value);
488                } else {
489                    add_assoc_string(return_value, name, "");
490                }
491
492                efree(name);
493                if (value) efree(value);
494            } else if (have_content) {
495                efree(value);
496            }
497
498            name = value = NULL;
499
500            /* Reset all of our flags */
501            in_tag = looking_for_val = 0;
502            have_name = saw_name = 0;
503            have_content = saw_content = 0;
504            md.in_meta = 0;
505        }
506
507        tok_last = tok;
508
509        if (md.token_data)
510            efree(md.token_data);
511
512        md.token_data = NULL;
513    }
514
515    if (value) efree(value);
516    if (name) efree(name);
517    php_stream_close(md.stream);
518}
519/* }}} */
520
521/* {{{ 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    size_t filename_len;
527    zend_bool use_include_path = 0;
528    php_stream *stream;
529    zend_long offset = -1;
530    zend_long maxlen = PHP_STREAM_COPY_ALL;
531    zval *zcontext = NULL;
532    php_stream_context *context = NULL;
533    zend_string *contents;
534
535    /* Parse arguments */
536    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|br!ll", &filename, &filename_len, &use_include_path, &zcontext, &offset, &maxlen) == FAILURE) {
537        return;
538    }
539
540    if (ZEND_NUM_ARGS() == 5 && maxlen < 0) {
541        php_error_docref(NULL TSRMLS_CC, E_WARNING, "length must be greater than or equal to zero");
542        RETURN_FALSE;
543    }
544
545    context = php_stream_context_from_zval(zcontext, 0);
546
547    stream = php_stream_open_wrapper_ex(filename, "rb",
548                (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
549                NULL, context);
550    if (!stream) {
551        RETURN_FALSE;
552    }
553
554    if (offset > 0 && php_stream_seek(stream, offset, SEEK_SET) < 0) {
555        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to seek to position " ZEND_LONG_FMT " in the stream", offset);
556        php_stream_close(stream);
557        RETURN_FALSE;
558    }
559
560    if (maxlen > INT_MAX) {
561        php_error_docref(NULL TSRMLS_CC, E_WARNING, "maxlen truncated from %pd to %d bytes", maxlen, INT_MAX);
562        maxlen = INT_MAX;
563    }
564    if ((contents = php_stream_copy_to_mem(stream, maxlen, 0)) != NULL) {
565        RETVAL_STR(contents);
566    } else {
567        RETVAL_EMPTY_STRING();
568    }
569
570    php_stream_close(stream);
571}
572/* }}} */
573
574/* {{{ proto int file_put_contents(string file, mixed data [, int flags [, resource context]])
575   Write/Create a file with contents data and return the number of bytes written */
576PHP_FUNCTION(file_put_contents)
577{
578    php_stream *stream;
579    char *filename;
580    size_t filename_len;
581    zval *data;
582    zend_long numbytes = 0;
583    zend_long flags = 0;
584    zval *zcontext = NULL;
585    php_stream_context *context = NULL;
586    php_stream *srcstream = NULL;
587    char mode[3] = "wb";
588    char ret_ok = 1;
589
590    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pz/|lr!", &filename, &filename_len, &data, &flags, &zcontext) == FAILURE) {
591        return;
592    }
593
594    if (Z_TYPE_P(data) == IS_RESOURCE) {
595        php_stream_from_zval(srcstream, data);
596    }
597
598    context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
599
600    if (flags & PHP_FILE_APPEND) {
601        mode[0] = 'a';
602    } else if (flags & LOCK_EX) {
603        /* check to make sure we are dealing with a regular file */
604        if (php_memnstr(filename, "://", sizeof("://") - 1, filename + filename_len)) {
605            if (strncasecmp(filename, "file://", sizeof("file://") - 1)) {
606                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks may only be set for regular files");
607                RETURN_FALSE;
608            }
609        }
610        mode[0] = 'c';
611    }
612    mode[2] = '\0';
613
614    stream = php_stream_open_wrapper_ex(filename, mode, ((flags & PHP_FILE_USE_INCLUDE_PATH) ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
615    if (stream == NULL) {
616        RETURN_FALSE;
617    }
618
619    if (flags & LOCK_EX && (!php_stream_supports_lock(stream) || php_stream_lock(stream, LOCK_EX))) {
620        php_stream_close(stream);
621        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks are not supported for this stream");
622        RETURN_FALSE;
623    }
624
625    if (mode[0] == 'c') {
626        php_stream_truncate_set_size(stream, 0);
627    }
628
629    switch (Z_TYPE_P(data)) {
630        case IS_RESOURCE: {
631            size_t len;
632            if (php_stream_copy_to_stream_ex(srcstream, stream, PHP_STREAM_COPY_ALL, &len) != SUCCESS) {
633                ret_ok = 0;
634            } else {
635                if (len > ZEND_LONG_MAX) {
636                    php_error_docref(NULL TSRMLS_CC, E_WARNING, "content truncated from %zu to " ZEND_LONG_FMT " bytes", len, ZEND_LONG_MAX);
637                    len = ZEND_LONG_MAX;
638                }
639                numbytes = len;
640            }
641            break;
642        }
643        case IS_NULL:
644        case IS_LONG:
645        case IS_DOUBLE:
646        case IS_FALSE:
647        case IS_TRUE:
648            convert_to_string_ex(data);
649
650        case IS_STRING:
651            if (Z_STRLEN_P(data)) {
652                numbytes = php_stream_write(stream, Z_STRVAL_P(data), Z_STRLEN_P(data));
653                if (numbytes != Z_STRLEN_P(data)) {
654                    php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %pl of %zd bytes written, possibly out of free disk space", numbytes, Z_STRLEN_P(data));
655                    numbytes = -1;
656                }
657            }
658            break;
659
660        case IS_ARRAY:
661            if (zend_hash_num_elements(Z_ARRVAL_P(data))) {
662                size_t bytes_written;
663                zval *tmp;
664
665                ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(data), tmp) {
666                    zend_string *str = zval_get_string(tmp);
667                    if (str->len) {
668                        numbytes += str->len;
669                        bytes_written = php_stream_write(stream, str->val, str->len);
670                        if (bytes_written != str->len) {
671                            php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write %zd bytes to %s", str->len, filename);
672                            ret_ok = 0;
673                            zend_string_release(str);
674                            break;
675                        }
676                    }
677                    zend_string_release(str);
678                } ZEND_HASH_FOREACH_END();
679            }
680            break;
681
682        case IS_OBJECT:
683            if (Z_OBJ_HT_P(data) != NULL) {
684                zval out;
685
686                if (zend_std_cast_object_tostring(data, &out, IS_STRING TSRMLS_CC) == SUCCESS) {
687                    numbytes = php_stream_write(stream, Z_STRVAL(out), Z_STRLEN(out));
688                    if (numbytes != Z_STRLEN(out)) {
689                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %pd of %zd bytes written, possibly out of free disk space", numbytes, Z_STRLEN(out));
690                        numbytes = -1;
691                    }
692                    zval_dtor(&out);
693                    break;
694                }
695            }
696        default:
697            ret_ok = 0;
698            break;
699    }
700    php_stream_close(stream);
701
702    if (!ret_ok) {
703        RETURN_FALSE;
704    }
705
706    RETURN_LONG(numbytes);
707}
708/* }}} */
709
710#define PHP_FILE_BUF_SIZE   80
711
712/* {{{ proto array file(string filename [, int flags[, resource context]])
713   Read entire file into an array */
714PHP_FUNCTION(file)
715{
716    char *filename;
717    size_t filename_len;
718    char *p, *s, *e;
719    register int i = 0;
720    char eol_marker = '\n';
721    zend_long flags = 0;
722    zend_bool use_include_path;
723    zend_bool include_new_line;
724    zend_bool skip_blank_lines;
725    php_stream *stream;
726    zval *zcontext = NULL;
727    php_stream_context *context = NULL;
728    zend_string *target_buf;
729
730    /* Parse arguments */
731    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|lr!", &filename, &filename_len, &flags, &zcontext) == FAILURE) {
732        return;
733    }
734    if (flags < 0 || flags > (PHP_FILE_USE_INCLUDE_PATH | PHP_FILE_IGNORE_NEW_LINES | PHP_FILE_SKIP_EMPTY_LINES | PHP_FILE_NO_DEFAULT_CONTEXT)) {
735        php_error_docref(NULL TSRMLS_CC, E_WARNING, "'" ZEND_LONG_FMT "' flag is not supported", flags);
736        RETURN_FALSE;
737    }
738
739    use_include_path = flags & PHP_FILE_USE_INCLUDE_PATH;
740    include_new_line = !(flags & PHP_FILE_IGNORE_NEW_LINES);
741    skip_blank_lines = flags & PHP_FILE_SKIP_EMPTY_LINES;
742
743    context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
744
745    stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
746    if (!stream) {
747        RETURN_FALSE;
748    }
749
750    /* Initialize return array */
751    array_init(return_value);
752
753    if ((target_buf = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0)) != NULL) {
754        s = target_buf->val;
755        e = target_buf->val + target_buf->len;
756
757        if (!(p = (char*)php_stream_locate_eol(stream, target_buf TSRMLS_CC))) {
758            p = e;
759            goto parse_eol;
760        }
761
762        if (stream->flags & PHP_STREAM_FLAG_EOL_MAC) {
763            eol_marker = '\r';
764        }
765
766        /* for performance reasons the code is duplicated, so that the if (include_new_line)
767         * will not need to be done for every single line in the file. */
768        if (include_new_line) {
769            do {
770                p++;
771parse_eol:
772                add_index_stringl(return_value, i++, s, p-s);
773                s = p;
774            } while ((p = memchr(p, eol_marker, (e-p))));
775        } else {
776            do {
777                int windows_eol = 0;
778                if (p != target_buf->val && eol_marker == '\n' && *(p - 1) == '\r') {
779                    windows_eol++;
780                }
781                if (skip_blank_lines && !(p-s-windows_eol)) {
782                    s = ++p;
783                    continue;
784                }
785                add_index_stringl(return_value, i++, s, p-s-windows_eol);
786                s = ++p;
787            } while ((p = memchr(p, eol_marker, (e-p))));
788        }
789
790        /* handle any left overs of files without new lines */
791        if (s != e) {
792            p = e;
793            goto parse_eol;
794        }
795    }
796
797    if (target_buf) {
798        zend_string_free(target_buf);
799    }
800    php_stream_close(stream);
801}
802/* }}} */
803
804/* {{{ proto string tempnam(string dir, string prefix)
805   Create a unique filename in a directory */
806PHP_FUNCTION(tempnam)
807{
808    char *dir, *prefix;
809    size_t dir_len, prefix_len;
810    char *opened_path;
811    int fd;
812    zend_string *p;
813
814    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps", &dir, &dir_len, &prefix, &prefix_len) == FAILURE) {
815        return;
816    }
817
818    if (php_check_open_basedir(dir TSRMLS_CC)) {
819        RETURN_FALSE;
820    }
821
822    p = php_basename(prefix, prefix_len, NULL, 0 TSRMLS_CC);
823    if (p->len > 64) {
824        p->val[63] = '\0';
825    }
826
827    RETVAL_FALSE;
828
829    if ((fd = php_open_temporary_fd_ex(dir, p->val, &opened_path, 1 TSRMLS_CC)) >= 0) {
830        close(fd);
831        // TODO: avoid reallocation ???
832        RETVAL_STRING(opened_path);
833        efree(opened_path);
834    }
835    zend_string_release(p);
836}
837/* }}} */
838
839/* {{{ proto resource tmpfile(void)
840   Create a temporary file that will be deleted automatically after use */
841PHP_NAMED_FUNCTION(php_if_tmpfile)
842{
843    php_stream *stream;
844
845    if (zend_parse_parameters_none() == FAILURE) {
846        return;
847    }
848
849    stream = php_stream_fopen_tmpfile();
850
851    if (stream) {
852        php_stream_to_zval(stream, return_value);
853    } else {
854        RETURN_FALSE;
855    }
856}
857/* }}} */
858
859/* {{{ proto resource fopen(string filename, string mode [, bool use_include_path [, resource context]])
860   Open a file or a URL and return a file pointer */
861PHP_NAMED_FUNCTION(php_if_fopen)
862{
863    char *filename, *mode;
864    size_t filename_len, mode_len;
865    zend_bool use_include_path = 0;
866    zval *zcontext = NULL;
867    php_stream *stream;
868    php_stream_context *context = NULL;
869
870    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps|br", &filename, &filename_len, &mode, &mode_len, &use_include_path, &zcontext) == FAILURE) {
871        RETURN_FALSE;
872    }
873
874    context = php_stream_context_from_zval(zcontext, 0);
875
876    stream = php_stream_open_wrapper_ex(filename, mode, (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
877
878    if (stream == NULL) {
879        RETURN_FALSE;
880    }
881
882    php_stream_to_zval(stream, return_value);
883}
884/* }}} */
885
886/* {{{ proto bool fclose(resource fp)
887   Close an open file pointer */
888PHPAPI PHP_FUNCTION(fclose)
889{
890    zval *res;
891    php_stream *stream;
892
893#ifndef FAST_ZPP
894    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
895        RETURN_FALSE;
896    }
897#else
898    ZEND_PARSE_PARAMETERS_START(1, 1)
899        Z_PARAM_RESOURCE(res)
900    ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
901#endif
902
903    PHP_STREAM_TO_ZVAL(stream, res);
904
905    if ((stream->flags & PHP_STREAM_FLAG_NO_FCLOSE) != 0) {
906        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%pd is not a valid stream resource", stream->res->handle);
907        RETURN_FALSE;
908    }
909
910    if (!stream->is_persistent) {
911        php_stream_close(stream);
912    } else {
913        php_stream_pclose(stream);
914    }
915
916    RETURN_TRUE;
917}
918/* }}} */
919
920/* {{{ proto resource popen(string command, string mode)
921   Execute a command and open either a read or a write pipe to it */
922PHP_FUNCTION(popen)
923{
924    char *command, *mode;
925    size_t command_len, mode_len;
926    FILE *fp;
927    php_stream *stream;
928    char *posix_mode;
929
930    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps", &command, &command_len, &mode, &mode_len) == FAILURE) {
931        return;
932    }
933
934    posix_mode = estrndup(mode, mode_len);
935#ifndef PHP_WIN32
936    {
937        char *z = memchr(posix_mode, 'b', mode_len);
938        if (z) {
939            memmove(z, z + 1, mode_len - (z - posix_mode));
940        }
941    }
942#endif
943
944    fp = VCWD_POPEN(command, posix_mode);
945    if (!fp) {
946        php_error_docref2(NULL TSRMLS_CC, command, posix_mode, E_WARNING, "%s", strerror(errno));
947        efree(posix_mode);
948        RETURN_FALSE;
949    }
950
951    stream = php_stream_fopen_from_pipe(fp, mode);
952
953    if (stream == NULL) {
954        php_error_docref2(NULL TSRMLS_CC, command, mode, E_WARNING, "%s", strerror(errno));
955        RETVAL_FALSE;
956    } else {
957        php_stream_to_zval(stream, return_value);
958    }
959
960    efree(posix_mode);
961}
962/* }}} */
963
964/* {{{ proto int pclose(resource fp)
965   Close a file pointer opened by popen() */
966PHP_FUNCTION(pclose)
967{
968    zval *res;
969    php_stream *stream;
970
971    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
972        RETURN_FALSE;
973    }
974
975    PHP_STREAM_TO_ZVAL(stream, res);
976
977    FG(pclose_wait) = 1;
978    zend_list_close(stream->res);
979    FG(pclose_wait) = 0;
980    RETURN_LONG(FG(pclose_ret));
981}
982/* }}} */
983
984/* {{{ proto bool feof(resource fp)
985   Test for end-of-file on a file pointer */
986PHPAPI PHP_FUNCTION(feof)
987{
988    zval *res;
989    php_stream *stream;
990
991    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
992        RETURN_FALSE;
993    }
994
995    PHP_STREAM_TO_ZVAL(stream, res);
996
997    if (php_stream_eof(stream)) {
998        RETURN_TRUE;
999    } else {
1000        RETURN_FALSE;
1001    }
1002}
1003/* }}} */
1004
1005/* {{{ proto string fgets(resource fp[, int length])
1006   Get a line from file pointer */
1007PHPAPI PHP_FUNCTION(fgets)
1008{
1009    zval *res;
1010    zend_long len = 1024;
1011    char *buf = NULL;
1012    int argc = ZEND_NUM_ARGS();
1013    size_t line_len = 0;
1014    php_stream *stream;
1015
1016    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &res, &len) == FAILURE) {
1017        RETURN_FALSE;
1018    }
1019
1020    PHP_STREAM_TO_ZVAL(stream, res);
1021
1022    if (argc == 1) {
1023        /* ask streams to give us a buffer of an appropriate size */
1024        buf = php_stream_get_line(stream, NULL, 0, &line_len);
1025        if (buf == NULL) {
1026            goto exit_failed;
1027        }
1028    } else if (argc > 1) {
1029        if (len <= 0) {
1030            php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1031            RETURN_FALSE;
1032        }
1033
1034        buf = ecalloc(len + 1, sizeof(char));
1035        if (php_stream_get_line(stream, buf, len, &line_len) == NULL) {
1036            goto exit_failed;
1037        }
1038    }
1039
1040    /* resize buffer if it's much larger than the result.
1041     * Only needed if the user requested a buffer size. */
1042//??    if (argc > 1 && line_len < len / 2) {
1043//???
1044        ZVAL_STRINGL(return_value, buf, line_len);
1045        efree(buf);
1046//??    } else {
1047//???
1048//???       ZVAL_STRINGL(return_value, buf, line_len);
1049//???   efree(buf);
1050//???   }
1051    return;
1052
1053exit_failed:
1054    RETVAL_FALSE;
1055    if (buf) {
1056        efree(buf);
1057    }
1058}
1059/* }}} */
1060
1061/* {{{ proto string fgetc(resource fp)
1062   Get a character from file pointer */
1063PHPAPI PHP_FUNCTION(fgetc)
1064{
1065    zval *res;
1066    char buf[2];
1067    int result;
1068    php_stream *stream;
1069
1070    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
1071        RETURN_FALSE;
1072    }
1073
1074    PHP_STREAM_TO_ZVAL(stream, res);
1075
1076    result = php_stream_getc(stream);
1077
1078    if (result == EOF) {
1079        RETVAL_FALSE;
1080    } else {
1081        buf[0] = result;
1082        buf[1] = '\0';
1083
1084        RETURN_STRINGL(buf, 1);
1085    }
1086}
1087/* }}} */
1088
1089/* {{{ proto string fgetss(resource fp [, int length [, string allowable_tags]])
1090   Get a line from file pointer and strip HTML tags */
1091PHPAPI PHP_FUNCTION(fgetss)
1092{
1093    zval *fd;
1094    zend_long bytes = 0;
1095    size_t len = 0;
1096    size_t actual_len, retval_len;
1097    char *buf = NULL, *retval;
1098    php_stream *stream;
1099    zend_string *allowed = NULL;
1100    char *allowed_tags=NULL;
1101    size_t allowed_tags_len=0;
1102
1103    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|lS", &fd, &bytes, &allowed) == FAILURE) {
1104        RETURN_FALSE;
1105    }
1106
1107    PHP_STREAM_TO_ZVAL(stream, fd);
1108
1109    if (ZEND_NUM_ARGS() >= 2) {
1110        if (bytes <= 0) {
1111            php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1112            RETURN_FALSE;
1113        }
1114
1115        len = (size_t) bytes;
1116        buf = safe_emalloc(sizeof(char), (len + 1), 0);
1117        /*needed because recv doesnt set null char at end*/
1118        memset(buf, 0, len + 1);
1119    }
1120
1121    if ((retval = php_stream_get_line(stream, buf, len, &actual_len)) == NULL)  {
1122        if (buf != NULL) {
1123            efree(buf);
1124        }
1125        RETURN_FALSE;
1126    }
1127
1128    if (allowed != NULL) {
1129// TODO: reimplement to avoid reallocation ???
1130        if (IS_INTERNED(allowed)) {
1131            allowed_tags = estrndup(allowed->val, allowed->len);
1132            allowed_tags_len = allowed->len;
1133        } else {
1134            allowed_tags = allowed->val;
1135            allowed_tags_len = allowed->len;
1136        }
1137    }
1138
1139    retval_len = php_strip_tags(retval, actual_len, &stream->fgetss_state, allowed_tags, allowed_tags_len);
1140
1141// TODO: reimplement to avoid reallocation ???
1142    if (allowed && IS_INTERNED(allowed)) {
1143        efree(allowed_tags);
1144    }
1145
1146    // TODO: avoid reallocation ???
1147    RETVAL_STRINGL(retval, retval_len);
1148    efree(retval);
1149}
1150/* }}} */
1151
1152/* {{{ proto mixed fscanf(resource stream, string format [, string ...])
1153   Implements a mostly ANSI compatible fscanf() */
1154PHP_FUNCTION(fscanf)
1155{
1156    int result, type, argc = 0;
1157    size_t format_len;
1158    zval *args = NULL;
1159    zval *file_handle;
1160    char *buf, *format;
1161    size_t len;
1162    void *what;
1163
1164    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs*", &file_handle, &format, &format_len, &args, &argc) == FAILURE) {
1165        return;
1166    }
1167
1168    what = zend_fetch_resource(file_handle TSRMLS_CC, -1, "File-Handle", &type, 2, php_file_le_stream(), php_file_le_pstream());
1169
1170    /* we can't do a ZEND_VERIFY_RESOURCE(what), otherwise we end up
1171     * with a leak if we have an invalid filehandle. This needs changing
1172     * if the code behind ZEND_VERIFY_RESOURCE changed. - cc */
1173    if (!what) {
1174        RETURN_FALSE;
1175    }
1176
1177    buf = php_stream_get_line((php_stream *) what, NULL, 0, &len);
1178    if (buf == NULL) {
1179        RETURN_FALSE;
1180    }
1181
1182    result = php_sscanf_internal(buf, format, argc, args, 0, return_value TSRMLS_CC);
1183
1184    efree(buf);
1185
1186    if (SCAN_ERROR_WRONG_PARAM_COUNT == result) {
1187        WRONG_PARAM_COUNT;
1188    }
1189}
1190/* }}} */
1191
1192/* {{{ proto int fwrite(resource fp, string str [, int length])
1193   Binary-safe file write */
1194PHPAPI PHP_FUNCTION(fwrite)
1195{
1196    zval *res;
1197    char *input;
1198    size_t inputlen;
1199    size_t ret;
1200    size_t num_bytes;
1201    zend_long maxlen = 0;
1202    php_stream *stream;
1203
1204    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &res, &input, &inputlen, &maxlen) == FAILURE) {
1205        RETURN_FALSE;
1206    }
1207
1208    if (ZEND_NUM_ARGS() == 2) {
1209        num_bytes = inputlen;
1210    } else if (maxlen <= 0) {
1211        num_bytes = 0;
1212    } else {
1213        num_bytes = MIN((size_t) maxlen, inputlen);
1214    }
1215
1216    if (!num_bytes) {
1217        RETURN_LONG(0);
1218    }
1219
1220    PHP_STREAM_TO_ZVAL(stream, res);
1221
1222    ret = php_stream_write(stream, input, num_bytes);
1223
1224    RETURN_LONG(ret);
1225}
1226/* }}} */
1227
1228/* {{{ proto bool fflush(resource fp)
1229   Flushes output */
1230PHPAPI PHP_FUNCTION(fflush)
1231{
1232    zval *res;
1233    int ret;
1234    php_stream *stream;
1235
1236    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
1237        RETURN_FALSE;
1238    }
1239
1240    PHP_STREAM_TO_ZVAL(stream, res);
1241
1242    ret = php_stream_flush(stream);
1243    if (ret) {
1244        RETURN_FALSE;
1245    }
1246    RETURN_TRUE;
1247}
1248/* }}} */
1249
1250/* {{{ proto bool rewind(resource fp)
1251   Rewind the position of a file pointer */
1252PHPAPI PHP_FUNCTION(rewind)
1253{
1254    zval *res;
1255    php_stream *stream;
1256
1257    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
1258        RETURN_FALSE;
1259    }
1260
1261    PHP_STREAM_TO_ZVAL(stream, res);
1262
1263    if (-1 == php_stream_rewind(stream)) {
1264        RETURN_FALSE;
1265    }
1266    RETURN_TRUE;
1267}
1268/* }}} */
1269
1270/* {{{ proto int ftell(resource fp)
1271   Get file pointer's read/write position */
1272PHPAPI PHP_FUNCTION(ftell)
1273{
1274    zval *res;
1275    zend_long ret;
1276    php_stream *stream;
1277
1278    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
1279        RETURN_FALSE;
1280    }
1281
1282    PHP_STREAM_TO_ZVAL(stream, res);
1283
1284    ret = php_stream_tell(stream);
1285    if (ret == -1)  {
1286        RETURN_FALSE;
1287    }
1288    RETURN_LONG(ret);
1289}
1290/* }}} */
1291
1292/* {{{ proto int fseek(resource fp, int offset [, int whence])
1293   Seek on a file pointer */
1294PHPAPI PHP_FUNCTION(fseek)
1295{
1296    zval *res;
1297    zend_long offset, whence = SEEK_SET;
1298    php_stream *stream;
1299
1300    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|l", &res, &offset, &whence) == FAILURE) {
1301        RETURN_FALSE;
1302    }
1303
1304    PHP_STREAM_TO_ZVAL(stream, res);
1305
1306    RETURN_LONG(php_stream_seek(stream, offset, (int) whence));
1307}
1308/* }}} */
1309
1310/* {{{ php_mkdir
1311*/
1312
1313/* DEPRECATED APIs: Use php_stream_mkdir() instead */
1314PHPAPI int php_mkdir_ex(const char *dir, zend_long mode, int options TSRMLS_DC)
1315{
1316    int ret;
1317
1318    if (php_check_open_basedir(dir TSRMLS_CC)) {
1319        return -1;
1320    }
1321
1322    if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0 && (options & REPORT_ERRORS)) {
1323        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
1324    }
1325
1326    return ret;
1327}
1328
1329PHPAPI int php_mkdir(const char *dir, zend_long mode TSRMLS_DC)
1330{
1331    return php_mkdir_ex(dir, mode, REPORT_ERRORS TSRMLS_CC);
1332}
1333/* }}} */
1334
1335/* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive [, resource context]]])
1336   Create a directory */
1337PHP_FUNCTION(mkdir)
1338{
1339    char *dir;
1340    size_t dir_len;
1341    zval *zcontext = NULL;
1342    zend_long mode = 0777;
1343    zend_bool recursive = 0;
1344    php_stream_context *context;
1345
1346    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|lbr", &dir, &dir_len, &mode, &recursive, &zcontext) == FAILURE) {
1347        RETURN_FALSE;
1348    }
1349
1350    context = php_stream_context_from_zval(zcontext, 0);
1351
1352    RETURN_BOOL(php_stream_mkdir(dir, (int)mode, (recursive ? PHP_STREAM_MKDIR_RECURSIVE : 0) | REPORT_ERRORS, context));
1353}
1354/* }}} */
1355
1356/* {{{ proto bool rmdir(string dirname[, resource context])
1357   Remove a directory */
1358PHP_FUNCTION(rmdir)
1359{
1360    char *dir;
1361    size_t dir_len;
1362    zval *zcontext = NULL;
1363    php_stream_context *context;
1364
1365    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|r", &dir, &dir_len, &zcontext) == FAILURE) {
1366        RETURN_FALSE;
1367    }
1368
1369    context = php_stream_context_from_zval(zcontext, 0);
1370
1371    RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context));
1372}
1373/* }}} */
1374
1375/* {{{ proto int readfile(string filename [, bool use_include_path[, resource context]])
1376   Output a file or a URL */
1377PHP_FUNCTION(readfile)
1378{
1379    char *filename;
1380    size_t filename_len;
1381    size_t size = 0;
1382    zend_bool use_include_path = 0;
1383    zval *zcontext = NULL;
1384    php_stream *stream;
1385    php_stream_context *context = NULL;
1386
1387    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|br!", &filename, &filename_len, &use_include_path, &zcontext) == FAILURE) {
1388        RETURN_FALSE;
1389    }
1390
1391    context = php_stream_context_from_zval(zcontext, 0);
1392
1393    stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
1394    if (stream) {
1395        size = php_stream_passthru(stream);
1396        php_stream_close(stream);
1397        RETURN_LONG(size);
1398    }
1399
1400    RETURN_FALSE;
1401}
1402/* }}} */
1403
1404/* {{{ proto int umask([int mask])
1405   Return or change the umask */
1406PHP_FUNCTION(umask)
1407{
1408    zend_long mask = 0;
1409    int oldumask;
1410
1411    oldumask = umask(077);
1412
1413    if (BG(umask) == -1) {
1414        BG(umask) = oldumask;
1415    }
1416
1417    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &mask) == FAILURE) {
1418        RETURN_FALSE;
1419    }
1420
1421    if (ZEND_NUM_ARGS() == 0) {
1422        umask(oldumask);
1423    } else {
1424        umask((int) mask);
1425    }
1426
1427    RETURN_LONG(oldumask);
1428}
1429/* }}} */
1430
1431/* {{{ proto int fpassthru(resource fp)
1432   Output all remaining data from a file pointer */
1433PHPAPI PHP_FUNCTION(fpassthru)
1434{
1435    zval *res;
1436    size_t size;
1437    php_stream *stream;
1438
1439    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &res) == FAILURE) {
1440        RETURN_FALSE;
1441    }
1442
1443    PHP_STREAM_TO_ZVAL(stream, res);
1444
1445    size = php_stream_passthru(stream);
1446    RETURN_LONG(size);
1447}
1448/* }}} */
1449
1450/* {{{ proto bool rename(string old_name, string new_name[, resource context])
1451   Rename a file */
1452PHP_FUNCTION(rename)
1453{
1454    char *old_name, *new_name;
1455    size_t old_name_len, new_name_len;
1456    zval *zcontext = NULL;
1457    php_stream_wrapper *wrapper;
1458    php_stream_context *context;
1459
1460    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &old_name, &old_name_len, &new_name, &new_name_len, &zcontext) == FAILURE) {
1461        RETURN_FALSE;
1462    }
1463
1464    wrapper = php_stream_locate_url_wrapper(old_name, NULL, 0 TSRMLS_CC);
1465
1466    if (!wrapper || !wrapper->wops) {
1467        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
1468        RETURN_FALSE;
1469    }
1470
1471    if (!wrapper->wops->rename) {
1472        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s wrapper does not support renaming", wrapper->wops->label ? wrapper->wops->label : "Source");
1473        RETURN_FALSE;
1474    }
1475
1476    if (wrapper != php_stream_locate_url_wrapper(new_name, NULL, 0 TSRMLS_CC)) {
1477        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot rename a file across wrapper types");
1478        RETURN_FALSE;
1479    }
1480
1481    context = php_stream_context_from_zval(zcontext, 0);
1482
1483    RETURN_BOOL(wrapper->wops->rename(wrapper, old_name, new_name, 0, context TSRMLS_CC));
1484}
1485/* }}} */
1486
1487/* {{{ proto bool unlink(string filename[, context context])
1488   Delete a file */
1489PHP_FUNCTION(unlink)
1490{
1491    char *filename;
1492    size_t filename_len;
1493    php_stream_wrapper *wrapper;
1494    zval *zcontext = NULL;
1495    php_stream_context *context = NULL;
1496
1497    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|r", &filename, &filename_len, &zcontext) == FAILURE) {
1498        RETURN_FALSE;
1499    }
1500
1501    context = php_stream_context_from_zval(zcontext, 0);
1502
1503    wrapper = php_stream_locate_url_wrapper(filename, NULL, 0 TSRMLS_CC);
1504
1505    if (!wrapper || !wrapper->wops) {
1506        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
1507        RETURN_FALSE;
1508    }
1509
1510    if (!wrapper->wops->unlink) {
1511        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper");
1512        RETURN_FALSE;
1513    }
1514    RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, REPORT_ERRORS, context TSRMLS_CC));
1515}
1516/* }}} */
1517
1518/* {{{ proto bool ftruncate(resource fp, int size)
1519   Truncate file to 'size' length */
1520PHP_NAMED_FUNCTION(php_if_ftruncate)
1521{
1522    zval *fp;
1523    zend_long size;
1524    php_stream *stream;
1525
1526    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &fp, &size) == FAILURE) {
1527        RETURN_FALSE;
1528    }
1529
1530    PHP_STREAM_TO_ZVAL(stream, fp);
1531
1532    if (!php_stream_truncate_supported(stream)) {
1533        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't truncate this stream!");
1534        RETURN_FALSE;
1535    }
1536
1537    RETURN_BOOL(0 == php_stream_truncate_set_size(stream, size));
1538}
1539/* }}} */
1540
1541/* {{{ proto array fstat(resource fp)
1542   Stat() on a filehandle */
1543PHP_NAMED_FUNCTION(php_if_fstat)
1544{
1545    zval *fp;
1546    zval stat_dev, stat_ino, stat_mode, stat_nlink, stat_uid, stat_gid, stat_rdev,
1547         stat_size, stat_atime, stat_mtime, stat_ctime, stat_blksize, stat_blocks;
1548    php_stream *stream;
1549    php_stream_statbuf stat_ssb;
1550    char *stat_sb_names[13] = {
1551        "dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
1552        "size", "atime", "mtime", "ctime", "blksize", "blocks"
1553    };
1554
1555    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &fp) == FAILURE) {
1556        RETURN_FALSE;
1557    }
1558
1559    PHP_STREAM_TO_ZVAL(stream, fp);
1560
1561    if (php_stream_stat(stream, &stat_ssb)) {
1562        RETURN_FALSE;
1563    }
1564
1565    array_init(return_value);
1566
1567    ZVAL_LONG(&stat_dev, stat_ssb.sb.st_dev);
1568    ZVAL_LONG(&stat_ino, stat_ssb.sb.st_ino);
1569    ZVAL_LONG(&stat_mode, stat_ssb.sb.st_mode);
1570    ZVAL_LONG(&stat_nlink, stat_ssb.sb.st_nlink);
1571    ZVAL_LONG(&stat_uid, stat_ssb.sb.st_uid);
1572    ZVAL_LONG(&stat_gid, stat_ssb.sb.st_gid);
1573#ifdef HAVE_ST_RDEV
1574# ifdef PHP_WIN32
1575    /* It is unsigned, so if a negative came from userspace, it'll
1576       convert to UINT_MAX, but we wan't to keep the userspace value.
1577       Almost the same as in php_fstat. This is ugly, but otherwise
1578       we would have to maintain a fully compatible struct stat. */
1579    if ((int)stat_ssb.sb.st_rdev < 0) {
1580        ZVAL_LONG(&stat_rdev, (int)stat_ssb.sb.st_rdev);
1581    } else {
1582        ZVAL_LONG(&stat_rdev, stat_ssb.sb.st_rdev);
1583    }
1584# else
1585    ZVAL_LONG(&stat_rdev, stat_ssb.sb.st_rdev);
1586# endif
1587#else
1588    ZVAL_LONG(&stat_rdev, -1);
1589#endif
1590    ZVAL_LONG(&stat_size, stat_ssb.sb.st_size);
1591    ZVAL_LONG(&stat_atime, stat_ssb.sb.st_atime);
1592    ZVAL_LONG(&stat_mtime, stat_ssb.sb.st_mtime);
1593    ZVAL_LONG(&stat_ctime, stat_ssb.sb.st_ctime);
1594#ifdef HAVE_ST_BLKSIZE
1595    ZVAL_LONG(&stat_blksize, stat_ssb.sb.st_blksize);
1596#else
1597    ZVAL_LONG(&stat_blksize,-1);
1598#endif
1599#ifdef HAVE_ST_BLOCKS
1600    ZVAL_LONG(&stat_blocks, stat_ssb.sb.st_blocks);
1601#else
1602    ZVAL_LONG(&stat_blocks,-1);
1603#endif
1604    /* Store numeric indexes in proper order */
1605    zend_hash_next_index_insert(HASH_OF(return_value), &stat_dev);
1606    zend_hash_next_index_insert(HASH_OF(return_value), &stat_ino);
1607    zend_hash_next_index_insert(HASH_OF(return_value), &stat_mode);
1608    zend_hash_next_index_insert(HASH_OF(return_value), &stat_nlink);
1609    zend_hash_next_index_insert(HASH_OF(return_value), &stat_uid);
1610    zend_hash_next_index_insert(HASH_OF(return_value), &stat_gid);
1611    zend_hash_next_index_insert(HASH_OF(return_value), &stat_rdev);
1612    zend_hash_next_index_insert(HASH_OF(return_value), &stat_size);
1613    zend_hash_next_index_insert(HASH_OF(return_value), &stat_atime);
1614    zend_hash_next_index_insert(HASH_OF(return_value), &stat_mtime);
1615    zend_hash_next_index_insert(HASH_OF(return_value), &stat_ctime);
1616    zend_hash_next_index_insert(HASH_OF(return_value), &stat_blksize);
1617    zend_hash_next_index_insert(HASH_OF(return_value), &stat_blocks);
1618
1619    /* Store string indexes referencing the same zval*/
1620    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[0], strlen(stat_sb_names[0]), &stat_dev);
1621    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[1], strlen(stat_sb_names[1]), &stat_ino);
1622    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[2], strlen(stat_sb_names[2]), &stat_mode);
1623    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[3], strlen(stat_sb_names[3]), &stat_nlink);
1624    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[4], strlen(stat_sb_names[4]), &stat_uid);
1625    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[5], strlen(stat_sb_names[5]), &stat_gid);
1626    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[6], strlen(stat_sb_names[6]), &stat_rdev);
1627    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[7], strlen(stat_sb_names[7]), &stat_size);
1628    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[8], strlen(stat_sb_names[8]), &stat_atime);
1629    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[9], strlen(stat_sb_names[9]), &stat_mtime);
1630    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[10], strlen(stat_sb_names[10]), &stat_ctime);
1631    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[11], strlen(stat_sb_names[11]), &stat_blksize);
1632    zend_hash_str_update(HASH_OF(return_value), stat_sb_names[12], strlen(stat_sb_names[12]), &stat_blocks);
1633}
1634/* }}} */
1635
1636/* {{{ proto bool copy(string source_file, string destination_file [, resource context])
1637   Copy a file */
1638PHP_FUNCTION(copy)
1639{
1640    char *source, *target;
1641    size_t source_len, target_len;
1642    zval *zcontext = NULL;
1643    php_stream_context *context;
1644
1645    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &source, &source_len, &target, &target_len, &zcontext) == FAILURE) {
1646        return;
1647    }
1648
1649    if (php_check_open_basedir(source TSRMLS_CC)) {
1650        RETURN_FALSE;
1651    }
1652
1653    context = php_stream_context_from_zval(zcontext, 0);
1654
1655    if (php_copy_file_ctx(source, target, 0, context TSRMLS_CC) == SUCCESS) {
1656        RETURN_TRUE;
1657    } else {
1658        RETURN_FALSE;
1659    }
1660}
1661/* }}} */
1662
1663/* {{{ php_copy_file
1664 */
1665PHPAPI int php_copy_file(const char *src, const char *dest TSRMLS_DC)
1666{
1667    return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
1668}
1669/* }}} */
1670
1671/* {{{ php_copy_file_ex
1672 */
1673PHPAPI int php_copy_file_ex(const char *src, const char *dest, int src_flg TSRMLS_DC)
1674{
1675    return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
1676}
1677/* }}} */
1678
1679/* {{{ php_copy_file_ctx
1680 */
1681PHPAPI int php_copy_file_ctx(const char *src, const char *dest, int src_flg, php_stream_context *ctx TSRMLS_DC)
1682{
1683    php_stream *srcstream = NULL, *deststream = NULL;
1684    int ret = FAILURE;
1685    php_stream_statbuf src_s, dest_s;
1686
1687    switch (php_stream_stat_path_ex(src, 0, &src_s, ctx)) {
1688        case -1:
1689            /* non-statable stream */
1690            goto safe_to_copy;
1691            break;
1692        case 0:
1693            break;
1694        default: /* failed to stat file, does not exist? */
1695            return ret;
1696    }
1697    if (S_ISDIR(src_s.sb.st_mode)) {
1698        php_error_docref(NULL TSRMLS_CC, E_WARNING, "The first argument to copy() function cannot be a directory");
1699        return FAILURE;
1700    }
1701
1702    switch (php_stream_stat_path_ex(dest, PHP_STREAM_URL_STAT_QUIET | PHP_STREAM_URL_STAT_NOCACHE, &dest_s, ctx)) {
1703        case -1:
1704            /* non-statable stream */
1705            goto safe_to_copy;
1706            break;
1707        case 0:
1708            break;
1709        default: /* failed to stat file, does not exist? */
1710            return ret;
1711    }
1712    if (S_ISDIR(dest_s.sb.st_mode)) {
1713        php_error_docref(NULL TSRMLS_CC, E_WARNING, "The second argument to copy() function cannot be a directory");
1714        return FAILURE;
1715    }
1716    if (!src_s.sb.st_ino || !dest_s.sb.st_ino) {
1717        goto no_stat;
1718    }
1719    if (src_s.sb.st_ino == dest_s.sb.st_ino && src_s.sb.st_dev == dest_s.sb.st_dev) {
1720        return ret;
1721    } else {
1722        goto safe_to_copy;
1723    }
1724no_stat:
1725    {
1726        char *sp, *dp;
1727        int res;
1728
1729        if ((sp = expand_filepath(src, NULL TSRMLS_CC)) == NULL) {
1730            return ret;
1731        }
1732        if ((dp = expand_filepath(dest, NULL TSRMLS_CC)) == NULL) {
1733            efree(sp);
1734            goto safe_to_copy;
1735        }
1736
1737        res =
1738#ifndef PHP_WIN32
1739            !strcmp(sp, dp);
1740#else
1741            !strcasecmp(sp, dp);
1742#endif
1743
1744        efree(sp);
1745        efree(dp);
1746        if (res) {
1747            return ret;
1748        }
1749    }
1750safe_to_copy:
1751
1752    srcstream = php_stream_open_wrapper_ex(src, "rb", src_flg | REPORT_ERRORS, NULL, ctx);
1753
1754    if (!srcstream) {
1755        return ret;
1756    }
1757
1758    deststream = php_stream_open_wrapper_ex(dest, "wb", REPORT_ERRORS, NULL, ctx);
1759
1760    if (srcstream && deststream) {
1761        ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL);
1762    }
1763    if (srcstream) {
1764        php_stream_close(srcstream);
1765    }
1766    if (deststream) {
1767        php_stream_close(deststream);
1768    }
1769    return ret;
1770}
1771/* }}} */
1772
1773/* {{{ proto string fread(resource fp, int length)
1774   Binary-safe file read */
1775PHPAPI PHP_FUNCTION(fread)
1776{
1777    zval *res;
1778    zend_long len;
1779    php_stream *stream;
1780
1781    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &res, &len) == FAILURE) {
1782        RETURN_FALSE;
1783    }
1784
1785    PHP_STREAM_TO_ZVAL(stream, res);
1786
1787    if (len <= 0) {
1788        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1789        RETURN_FALSE;
1790    }
1791
1792    ZVAL_NEW_STR(return_value, zend_string_alloc(len, 0));
1793    Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len);
1794
1795    /* needed because recv/read/gzread doesnt put a null at the end*/
1796    Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0;
1797}
1798/* }}} */
1799
1800static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len, const char delimiter TSRMLS_DC) /* {{{ */
1801{
1802    int inc_len;
1803    unsigned char last_chars[2] = { 0, 0 };
1804
1805    while (len > 0) {
1806        inc_len = (*ptr == '\0' ? 1 : php_mblen(ptr, len));
1807        switch (inc_len) {
1808            case -2:
1809            case -1:
1810                inc_len = 1;
1811                php_mb_reset();
1812                break;
1813            case 0:
1814                goto quit_loop;
1815            case 1:
1816            default:
1817                last_chars[0] = last_chars[1];
1818                last_chars[1] = *ptr;
1819                break;
1820        }
1821        ptr += inc_len;
1822        len -= inc_len;
1823    }
1824quit_loop:
1825    switch (last_chars[1]) {
1826        case '\n':
1827            if (last_chars[0] == '\r') {
1828                return ptr - 2;
1829            }
1830            /* break is omitted intentionally */
1831        case '\r':
1832            return ptr - 1;
1833    }
1834    return ptr;
1835}
1836/* }}} */
1837
1838#define FPUTCSV_FLD_CHK(c) memchr(field_str->val, c, field_str->len)
1839
1840/* {{{ proto int fputcsv(resource fp, array fields [, string delimiter [, string enclosure [, string escape_char]]])
1841   Format line as CSV and write to file pointer */
1842PHP_FUNCTION(fputcsv)
1843{
1844    char delimiter = ',';    /* allow this to be set as parameter */
1845    char enclosure = '"';    /* allow this to be set as parameter */
1846    char escape_char = '\\'; /* allow this to be set as parameter */
1847    php_stream *stream;
1848    zval *fp = NULL, *fields = NULL;
1849    size_t ret;
1850    char *delimiter_str = NULL, *enclosure_str = NULL, *escape_str = NULL;
1851    size_t delimiter_str_len = 0, enclosure_str_len = 0, escape_str_len = 0;
1852
1853    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra|sss",
1854            &fp, &fields, &delimiter_str, &delimiter_str_len,
1855            &enclosure_str, &enclosure_str_len,
1856            &escape_str, &escape_str_len) == FAILURE) {
1857        return;
1858    }
1859
1860    if (delimiter_str != NULL) {
1861        /* Make sure that there is at least one character in string */
1862        if (delimiter_str_len < 1) {
1863            php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
1864            RETURN_FALSE;
1865        } else if (delimiter_str_len > 1) {
1866            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
1867        }
1868
1869        /* use first character from string */
1870        delimiter = *delimiter_str;
1871    }
1872
1873    if (enclosure_str != NULL) {
1874        if (enclosure_str_len < 1) {
1875            php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
1876            RETURN_FALSE;
1877        } else if (enclosure_str_len > 1) {
1878            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
1879        }
1880        /* use first character from string */
1881        enclosure = *enclosure_str;
1882    }
1883
1884    if (escape_str != NULL) {
1885        if (escape_str_len < 1) {
1886            php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be a character");
1887            RETURN_FALSE;
1888        } else if (escape_str_len > 1) {
1889            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
1890        }
1891        /* use first character from string */
1892        escape_char = *escape_str;
1893    }
1894
1895    PHP_STREAM_TO_ZVAL(stream, fp);
1896
1897    ret = php_fputcsv(stream, fields, delimiter, enclosure, escape_char TSRMLS_CC);
1898    RETURN_LONG(ret);
1899}
1900/* }}} */
1901
1902/* {{{ PHPAPI size_t php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC) */
1903PHPAPI size_t php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC)
1904{
1905    int count, i = 0;
1906    size_t ret;
1907    zval *field_tmp;
1908    smart_str csvline = {0};
1909
1910    count = zend_hash_num_elements(Z_ARRVAL_P(fields));
1911    ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(fields), field_tmp) {
1912        zend_string *field_str = zval_get_string(field_tmp);
1913
1914        /* enclose a field that contains a delimiter, an enclosure character, or a newline */
1915        if (FPUTCSV_FLD_CHK(delimiter) ||
1916            FPUTCSV_FLD_CHK(enclosure) ||
1917            FPUTCSV_FLD_CHK(escape_char) ||
1918            FPUTCSV_FLD_CHK('\n') ||
1919            FPUTCSV_FLD_CHK('\r') ||
1920            FPUTCSV_FLD_CHK('\t') ||
1921            FPUTCSV_FLD_CHK(' ')
1922        ) {
1923            char *ch = field_str->val;
1924            char *end = ch + field_str->len;
1925            int escaped = 0;
1926
1927            smart_str_appendc(&csvline, enclosure);
1928            while (ch < end) {
1929                if (*ch == escape_char) {
1930                    escaped = 1;
1931                } else if (!escaped && *ch == enclosure) {
1932                    smart_str_appendc(&csvline, enclosure);
1933                } else {
1934                    escaped = 0;
1935                }
1936                smart_str_appendc(&csvline, *ch);
1937                ch++;
1938            }
1939            smart_str_appendc(&csvline, enclosure);
1940        } else {
1941            smart_str_append(&csvline, field_str);
1942        }
1943
1944        if (++i != count) {
1945            smart_str_appendl(&csvline, &delimiter, 1);
1946        }
1947        zend_string_release(field_str);
1948    } ZEND_HASH_FOREACH_END();
1949
1950    smart_str_appendc(&csvline, '\n');
1951    smart_str_0(&csvline);
1952
1953    ret = php_stream_write(stream, csvline.s->val, csvline.s->len);
1954
1955    smart_str_free(&csvline);
1956
1957    return ret;
1958}
1959/* }}} */
1960
1961/* {{{ proto array fgetcsv(resource fp [,int length [, string delimiter [, string enclosure [, string escape]]]])
1962   Get line from file pointer and parse for CSV fields */
1963PHP_FUNCTION(fgetcsv)
1964{
1965    char delimiter = ',';   /* allow this to be set as parameter */
1966    char enclosure = '"';   /* allow this to be set as parameter */
1967    char escape = '\\';
1968
1969    /* first section exactly as php_fgetss */
1970
1971    zend_long len = 0;
1972    size_t buf_len;
1973    char *buf;
1974    php_stream *stream;
1975
1976    {
1977        zval *fd, *len_zv = NULL;
1978        char *delimiter_str = NULL;
1979        size_t delimiter_str_len = 0;
1980        char *enclosure_str = NULL;
1981        size_t enclosure_str_len = 0;
1982        char *escape_str = NULL;
1983        size_t escape_str_len = 0;
1984
1985        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|zsss",
1986            &fd, &len_zv, &delimiter_str, &delimiter_str_len,
1987            &enclosure_str, &enclosure_str_len,
1988            &escape_str, &escape_str_len) == FAILURE
1989        ) {
1990            return;
1991        }
1992
1993        if (delimiter_str != NULL) {
1994            /* Make sure that there is at least one character in string */
1995            if (delimiter_str_len < 1) {
1996                php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
1997                RETURN_FALSE;
1998            } else if (delimiter_str_len > 1) {
1999                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
2000            }
2001
2002            /* use first character from string */
2003            delimiter = delimiter_str[0];
2004        }
2005
2006        if (enclosure_str != NULL) {
2007            if (enclosure_str_len < 1) {
2008                php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
2009                RETURN_FALSE;
2010            } else if (enclosure_str_len > 1) {
2011                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
2012            }
2013
2014            /* use first character from string */
2015            enclosure = enclosure_str[0];
2016        }
2017
2018        if (escape_str != NULL) {
2019            if (escape_str_len < 1) {
2020                php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be character");
2021                RETURN_FALSE;
2022            } else if (escape_str_len > 1) {
2023                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
2024            }
2025
2026            escape = escape_str[0];
2027        }
2028
2029        if (len_zv != NULL && Z_TYPE_P(len_zv) != IS_NULL) {
2030            len = zval_get_long(len_zv);
2031            if (len < 0) {
2032                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter may not be negative");
2033                RETURN_FALSE;
2034            } else if (len == 0) {
2035                len = -1;
2036            }
2037        } else {
2038            len = -1;
2039        }
2040
2041        PHP_STREAM_TO_ZVAL(stream, fd);
2042    }
2043
2044    if (len < 0) {
2045        if ((buf = php_stream_get_line(stream, NULL, 0, &buf_len)) == NULL) {
2046            RETURN_FALSE;
2047        }
2048    } else {
2049        buf = emalloc(len + 1);
2050        if (php_stream_get_line(stream, buf, len + 1, &buf_len) == NULL) {
2051            efree(buf);
2052            RETURN_FALSE;
2053        }
2054    }
2055
2056    php_fgetcsv(stream, delimiter, enclosure, escape, buf_len, buf, return_value TSRMLS_CC);
2057}
2058/* }}} */
2059
2060PHPAPI void php_fgetcsv(php_stream *stream, char delimiter, char enclosure, char escape_char, size_t buf_len, char *buf, zval *return_value TSRMLS_DC) /* {{{ */
2061{
2062    char *temp, *tptr, *bptr, *line_end, *limit;
2063    size_t temp_len, line_end_len;
2064    int inc_len;
2065    zend_bool first_field = 1;
2066
2067    /* initialize internal state */
2068    php_mb_reset();
2069
2070    /* Now into new section that parses buf for delimiter/enclosure fields */
2071
2072    /* Strip trailing space from buf, saving end of line in case required for enclosure field */
2073
2074    bptr = buf;
2075    tptr = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
2076    line_end_len = buf_len - (size_t)(tptr - buf);
2077    line_end = limit = tptr;
2078
2079    /* reserve workspace for building each individual field */
2080    temp_len = buf_len;
2081    temp = emalloc(temp_len + line_end_len + 1);
2082
2083    /* Initialize return array */
2084    array_init(return_value);
2085
2086    /* Main loop to read CSV fields */
2087    /* NB this routine will return a single null entry for a blank line */
2088
2089    do {
2090        char *comp_end, *hunk_begin;
2091
2092        tptr = temp;
2093
2094        inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2095        if (inc_len == 1) {
2096            char *tmp = bptr;
2097            while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) {
2098                tmp++;
2099            }
2100            if (*tmp == enclosure) {
2101                bptr = tmp;
2102            }
2103        }
2104
2105        if (first_field && bptr == line_end) {
2106            add_next_index_null(return_value);
2107            break;
2108        }
2109        first_field = 0;
2110        /* 2. Read field, leaving bptr pointing at start of next field */
2111        if (inc_len != 0 && *bptr == enclosure) {
2112            int state = 0;
2113
2114            bptr++; /* move on to first character in field */
2115            hunk_begin = bptr;
2116
2117            /* 2A. handle enclosure delimited field */
2118            for (;;) {
2119                switch (inc_len) {
2120                    case 0:
2121                        switch (state) {
2122                            case 2:
2123                                memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2124                                tptr += (bptr - hunk_begin - 1);
2125                                hunk_begin = bptr;
2126                                goto quit_loop_2;
2127
2128                            case 1:
2129                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2130                                tptr += (bptr - hunk_begin);
2131                                hunk_begin = bptr;
2132                                /* break is omitted intentionally */
2133
2134                            case 0: {
2135                                char *new_buf;
2136                                size_t new_len;
2137                                char *new_temp;
2138
2139                                if (hunk_begin != line_end) {
2140                                    memcpy(tptr, hunk_begin, bptr - hunk_begin);
2141                                    tptr += (bptr - hunk_begin);
2142                                    hunk_begin = bptr;
2143                                }
2144
2145                                /* add the embedded line end to the field */
2146                                memcpy(tptr, line_end, line_end_len);
2147                                tptr += line_end_len;
2148
2149                                if (stream == NULL) {
2150                                    goto quit_loop_2;
2151                                } else if ((new_buf = php_stream_get_line(stream, NULL, 0, &new_len)) == NULL) {
2152                                    /* we've got an unterminated enclosure,
2153                                     * assign all the data from the start of
2154                                     * the enclosure to end of data to the
2155                                     * last element */
2156                                    if ((size_t)temp_len > (size_t)(limit - buf)) {
2157                                        goto quit_loop_2;
2158                                    }
2159                                    zval_dtor(return_value);
2160                                    RETVAL_FALSE;
2161                                    goto out;
2162                                }
2163                                temp_len += new_len;
2164                                new_temp = erealloc(temp, temp_len);
2165                                tptr = new_temp + (size_t)(tptr - temp);
2166                                temp = new_temp;
2167
2168                                efree(buf);
2169                                buf_len = new_len;
2170                                bptr = buf = new_buf;
2171                                hunk_begin = buf;
2172
2173                                line_end = limit = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
2174                                line_end_len = buf_len - (size_t)(limit - buf);
2175
2176                                state = 0;
2177                            } break;
2178                        }
2179                        break;
2180
2181                    case -2:
2182                    case -1:
2183                        php_mb_reset();
2184                        /* break is omitted intentionally */
2185                    case 1:
2186                        /* we need to determine if the enclosure is
2187                         * 'real' or is it escaped */
2188                        switch (state) {
2189                            case 1: /* escaped */
2190                                bptr++;
2191                                state = 0;
2192                                break;
2193                            case 2: /* embedded enclosure ? let's check it */
2194                                if (*bptr != enclosure) {
2195                                    /* real enclosure */
2196                                    memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2197                                    tptr += (bptr - hunk_begin - 1);
2198                                    hunk_begin = bptr;
2199                                    goto quit_loop_2;
2200                                }
2201                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2202                                tptr += (bptr - hunk_begin);
2203                                bptr++;
2204                                hunk_begin = bptr;
2205                                state = 0;
2206                                break;
2207                            default:
2208                                if (*bptr == enclosure) {
2209                                    state = 2;
2210                                } else if (*bptr == escape_char) {
2211                                    state = 1;
2212                                }
2213                                bptr++;
2214                                break;
2215                        }
2216                        break;
2217
2218                    default:
2219                        switch (state) {
2220                            case 2:
2221                                /* real enclosure */
2222                                memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2223                                tptr += (bptr - hunk_begin - 1);
2224                                hunk_begin = bptr;
2225                                goto quit_loop_2;
2226                            case 1:
2227                                bptr += inc_len;
2228                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2229                                tptr += (bptr - hunk_begin);
2230                                hunk_begin = bptr;
2231                                break;
2232                            default:
2233                                bptr += inc_len;
2234                                break;
2235                        }
2236                        break;
2237                }
2238                inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2239            }
2240
2241        quit_loop_2:
2242            /* look up for a delimiter */
2243            for (;;) {
2244                switch (inc_len) {
2245                    case 0:
2246                        goto quit_loop_3;
2247
2248                    case -2:
2249                    case -1:
2250                        inc_len = 1;
2251                        php_mb_reset();
2252                        /* break is omitted intentionally */
2253                    case 1:
2254                        if (*bptr == delimiter) {
2255                            goto quit_loop_3;
2256                        }
2257                        break;
2258                    default:
2259                        break;
2260                }
2261                bptr += inc_len;
2262                inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2263            }
2264
2265        quit_loop_3:
2266            memcpy(tptr, hunk_begin, bptr - hunk_begin);
2267            tptr += (bptr - hunk_begin);
2268            bptr += inc_len;
2269            comp_end = tptr;
2270        } else {
2271            /* 2B. Handle non-enclosure field */
2272
2273            hunk_begin = bptr;
2274
2275            for (;;) {
2276                switch (inc_len) {
2277                    case 0:
2278                        goto quit_loop_4;
2279                    case -2:
2280                    case -1:
2281                        inc_len = 1;
2282                        php_mb_reset();
2283                        /* break is omitted intentionally */
2284                    case 1:
2285                        if (*bptr == delimiter) {
2286                            goto quit_loop_4;
2287                        }
2288                        break;
2289                    default:
2290                        break;
2291                }
2292                bptr += inc_len;
2293                inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
2294            }
2295        quit_loop_4:
2296            memcpy(tptr, hunk_begin, bptr - hunk_begin);
2297            tptr += (bptr - hunk_begin);
2298
2299            comp_end = (char *)php_fgetcsv_lookup_trailing_spaces(temp, tptr - temp, delimiter TSRMLS_CC);
2300            if (*bptr == delimiter) {
2301                bptr++;
2302            }
2303        }
2304
2305        /* 3. Now pass our field back to php */
2306        *comp_end = '\0';
2307        add_next_index_stringl(return_value, temp, comp_end - temp);
2308    } while (inc_len > 0);
2309
2310out:
2311    efree(temp);
2312    if (stream) {
2313        efree(buf);
2314    }
2315}
2316/* }}} */
2317
2318#if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS)
2319/* {{{ proto string realpath(string path)
2320   Return the resolved path */
2321PHP_FUNCTION(realpath)
2322{
2323    char *filename;
2324    size_t filename_len;
2325    char resolved_path_buff[MAXPATHLEN];
2326
2327#ifndef FAST_ZPP
2328    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) {
2329        return;
2330    }
2331#else
2332    ZEND_PARSE_PARAMETERS_START(1, 1)
2333        Z_PARAM_PATH(filename, filename_len)
2334    ZEND_PARSE_PARAMETERS_END();
2335#endif
2336
2337    if (VCWD_REALPATH(filename, resolved_path_buff)) {
2338        if (php_check_open_basedir(resolved_path_buff TSRMLS_CC)) {
2339            RETURN_FALSE;
2340        }
2341
2342#ifdef ZTS
2343        if (VCWD_ACCESS(resolved_path_buff, F_OK)) {
2344            RETURN_FALSE;
2345        }
2346#endif
2347        RETURN_STRING(resolved_path_buff);
2348    } else {
2349        RETURN_FALSE;
2350    }
2351}
2352/* }}} */
2353#endif
2354
2355/* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */
2356#define PHP_META_HTML401_CHARS "-_.:"
2357
2358/* {{{ php_next_meta_token
2359   Tokenizes an HTML file for get_meta_tags */
2360php_meta_tags_token php_next_meta_token(php_meta_tags_data *md TSRMLS_DC)
2361{
2362    int ch = 0, compliment;
2363    char buff[META_DEF_BUFSIZE + 1];
2364
2365    memset((void *)buff, 0, META_DEF_BUFSIZE + 1);
2366
2367    while (md->ulc || (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)))) {
2368        if (php_stream_eof(md->stream)) {
2369            break;
2370        }
2371
2372        if (md->ulc) {
2373            ch = md->lc;
2374            md->ulc = 0;
2375        }
2376
2377        switch (ch) {
2378            case '<':
2379                return TOK_OPENTAG;
2380                break;
2381
2382            case '>':
2383                return TOK_CLOSETAG;
2384                break;
2385
2386            case '=':
2387                return TOK_EQUAL;
2388                break;
2389            case '/':
2390                return TOK_SLASH;
2391                break;
2392
2393            case '\'':
2394            case '"':
2395                compliment = ch;
2396                md->token_len = 0;
2397                while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && ch != compliment && ch != '<' && ch != '>') {
2398                    buff[(md->token_len)++] = ch;
2399
2400                    if (md->token_len == META_DEF_BUFSIZE) {
2401                        break;
2402                    }
2403                }
2404
2405                if (ch == '<' || ch == '>') {
2406                    /* Was just an apostrohpe */
2407                    md->ulc = 1;
2408                    md->lc = ch;
2409                }
2410
2411                /* We don't need to alloc unless we are in a meta tag */
2412                if (md->in_meta) {
2413                    md->token_data = (char *) emalloc(md->token_len + 1);
2414                    memcpy(md->token_data, buff, md->token_len+1);
2415                }
2416
2417                return TOK_STRING;
2418                break;
2419
2420            case '\n':
2421            case '\r':
2422            case '\t':
2423                break;
2424
2425            case ' ':
2426                return TOK_SPACE;
2427                break;
2428
2429            default:
2430                if (isalnum(ch)) {
2431                    md->token_len = 0;
2432                    buff[(md->token_len)++] = ch;
2433                    while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) {
2434                        buff[(md->token_len)++] = ch;
2435
2436                        if (md->token_len == META_DEF_BUFSIZE) {
2437                            break;
2438                        }
2439                    }
2440
2441                    /* This is ugly, but we have to replace ungetc */
2442                    if (!isalpha(ch) && ch != '-') {
2443                        md->ulc = 1;
2444                        md->lc = ch;
2445                    }
2446
2447                    md->token_data = (char *) emalloc(md->token_len + 1);
2448                    memcpy(md->token_data, buff, md->token_len+1);
2449
2450                    return TOK_ID;
2451                } else {
2452                    return TOK_OTHER;
2453                }
2454                break;
2455        }
2456    }
2457
2458    return TOK_EOF;
2459}
2460/* }}} */
2461
2462#ifdef HAVE_FNMATCH
2463/* {{{ proto bool fnmatch(string pattern, string filename [, int flags])
2464   Match filename against pattern */
2465PHP_FUNCTION(fnmatch)
2466{
2467    char *pattern, *filename;
2468    size_t pattern_len, filename_len;
2469    zend_long flags = 0;
2470
2471    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|l", &pattern, &pattern_len, &filename, &filename_len, &flags) == FAILURE) {
2472        return;
2473    }
2474
2475    if (filename_len >= MAXPATHLEN) {
2476        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2477        RETURN_FALSE;
2478    }
2479    if (pattern_len >= MAXPATHLEN) {
2480        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2481        RETURN_FALSE;
2482    }
2483
2484    RETURN_BOOL( ! fnmatch( pattern, filename, (int)flags ));
2485}
2486/* }}} */
2487#endif
2488
2489/* {{{ proto string sys_get_temp_dir()
2490   Returns directory path used for temporary files */
2491PHP_FUNCTION(sys_get_temp_dir)
2492{
2493    if (zend_parse_parameters_none() == FAILURE) {
2494        return;
2495    }
2496    RETURN_STRING((char *)php_get_temporary_directory(TSRMLS_C));
2497}
2498/* }}} */
2499
2500/*
2501 * Local variables:
2502 * tab-width: 4
2503 * c-basic-offset: 4
2504 * End:
2505 * vim600: noet sw=4 ts=4 fdm=marker
2506 * vim<600: noet sw=4 ts=4
2507 */
2508