1/*
2   +----------------------------------------------------------------------+
3   | PHP Version 5                                                        |
4   +----------------------------------------------------------------------+
5   | Copyright (c) 1997-2014 The PHP Group                                |
6   +----------------------------------------------------------------------+
7   | This source file is subject to version 3.01 of the PHP license,      |
8   | that is bundled with this package in the file LICENSE, and is        |
9   | available through the world-wide-web at the following url:           |
10   | http://www.php.net/license/3_01.txt                                  |
11   | If you did not receive a copy of the PHP license and are unable to   |
12   | obtain it through the world-wide-web, please send a note to          |
13   | license@php.net so we can mail you a copy immediately.               |
14   +----------------------------------------------------------------------+
15   | Authors: Rasmus Lerdorf <rasmus@php.net>                             |
16   |          Stig Bakken <ssb@php.net>                                   |
17   |          Andi Gutmans <andi@zend.com>                                |
18   |          Zeev Suraski <zeev@zend.com>                                |
19   | PHP 4.0 patches by Thies C. Arntzen (thies@thieso.net)               |
20   | PHP streams by Wez Furlong (wez@thebrainroom.com)                    |
21   +----------------------------------------------------------------------+
22*/
23
24/* $Id$ */
25
26/* Synced with php 3.0 revision 1.218 1999-06-16 [ssb] */
27
28/* {{{ includes */
29
30#include "php.h"
31#include "php_globals.h"
32#include "ext/standard/flock_compat.h"
33#include "ext/standard/exec.h"
34#include "ext/standard/php_filestat.h"
35#include "php_open_temporary_file.h"
36#include "ext/standard/basic_functions.h"
37#include "php_ini.h"
38#include "php_smart_str.h"
39
40#include <stdio.h>
41#include <stdlib.h>
42#include <errno.h>
43#include <sys/types.h>
44#include <sys/stat.h>
45#include <fcntl.h>
46
47#ifdef PHP_WIN32
48# include <io.h>
49# define O_RDONLY _O_RDONLY
50# include "win32/param.h"
51# include "win32/winutil.h"
52# include "win32/fnmatch.h"
53#else
54# if HAVE_SYS_PARAM_H
55#  include <sys/param.h>
56# endif
57# if HAVE_SYS_SELECT_H
58#  include <sys/select.h>
59# endif
60# if defined(NETWARE) && defined(USE_WINSOCK)
61#  include <novsock2.h>
62# else
63#  include <sys/socket.h>
64#  include <netinet/in.h>
65#  include <netdb.h>
66# endif
67# if HAVE_ARPA_INET_H
68#  include <arpa/inet.h>
69# endif
70#endif
71
72#include "ext/standard/head.h"
73#include "php_string.h"
74#include "file.h"
75
76#if HAVE_PWD_H
77# ifdef PHP_WIN32
78#  include "win32/pwd.h"
79# else
80#  include <pwd.h>
81# endif
82#endif
83
84#ifdef HAVE_SYS_TIME_H
85# include <sys/time.h>
86#endif
87
88#include "fsock.h"
89#include "fopen_wrappers.h"
90#include "streamsfuncs.h"
91#include "php_globals.h"
92
93#ifdef HAVE_SYS_FILE_H
94# include <sys/file.h>
95#endif
96
97#if MISSING_FCLOSE_DECL
98extern int fclose(FILE *);
99#endif
100
101#ifdef HAVE_SYS_MMAN_H
102# include <sys/mman.h>
103#endif
104
105#include "scanf.h"
106#include "zend_API.h"
107
108#ifdef ZTS
109int file_globals_id;
110#else
111php_file_globals file_globals;
112#endif
113
114#if defined(HAVE_FNMATCH) && !defined(PHP_WIN32)
115# ifndef _GNU_SOURCE
116#  define _GNU_SOURCE
117# endif
118# include <fnmatch.h>
119#endif
120
121#ifdef HAVE_WCHAR_H
122# include <wchar.h>
123#endif
124
125#ifndef S_ISDIR
126# define S_ISDIR(mode)  (((mode)&S_IFMT) == S_IFDIR)
127#endif
128/* }}} */
129
130#define PHP_STREAM_TO_ZVAL(stream, arg) \
131    php_stream_from_zval_no_verify(stream, arg); \
132    if (stream == NULL) {   \
133        RETURN_FALSE;   \
134    }
135
136/* {{{ ZTS-stuff / Globals / Prototypes */
137
138/* sharing globals is *evil* */
139static int le_stream_context = FAILURE;
140
141PHPAPI int php_le_stream_context(TSRMLS_D)
142{
143    return le_stream_context;
144}
145/* }}} */
146
147/* {{{ Module-Stuff
148*/
149static ZEND_RSRC_DTOR_FUNC(file_context_dtor)
150{
151    php_stream_context *context = (php_stream_context*)rsrc->ptr;
152    if (context->options) {
153        zval_ptr_dtor(&context->options);
154        context->options = NULL;
155    }
156    php_stream_context_free(context);
157}
158
159static void file_globals_ctor(php_file_globals *file_globals_p TSRMLS_DC)
160{
161    FG(pclose_ret) = 0;
162    FG(pclose_wait) = 0;
163    FG(user_stream_current_filename) = NULL;
164    FG(def_chunk_size) = PHP_SOCK_CHUNK_SIZE;
165    FG(wrapper_errors) = NULL;
166}
167
168static void file_globals_dtor(php_file_globals *file_globals_p TSRMLS_DC)
169{
170}
171
172PHP_INI_BEGIN()
173    STD_PHP_INI_ENTRY("user_agent", NULL, PHP_INI_ALL, OnUpdateString, user_agent, php_file_globals, file_globals)
174    STD_PHP_INI_ENTRY("from", NULL, PHP_INI_ALL, OnUpdateString, from_address, php_file_globals, file_globals)
175    STD_PHP_INI_ENTRY("default_socket_timeout", "60", PHP_INI_ALL, OnUpdateLong, default_socket_timeout, php_file_globals, file_globals)
176    STD_PHP_INI_ENTRY("auto_detect_line_endings", "0", PHP_INI_ALL, OnUpdateLong, auto_detect_line_endings, php_file_globals, file_globals)
177PHP_INI_END()
178
179PHP_MINIT_FUNCTION(file)
180{
181    le_stream_context = zend_register_list_destructors_ex(file_context_dtor, NULL, "stream-context", module_number);
182
183#ifdef ZTS
184    ts_allocate_id(&file_globals_id, sizeof(php_file_globals), (ts_allocate_ctor) file_globals_ctor, (ts_allocate_dtor) file_globals_dtor);
185#else
186    file_globals_ctor(&file_globals TSRMLS_CC);
187#endif
188
189    REGISTER_INI_ENTRIES();
190
191    REGISTER_LONG_CONSTANT("SEEK_SET", SEEK_SET, CONST_CS | CONST_PERSISTENT);
192    REGISTER_LONG_CONSTANT("SEEK_CUR", SEEK_CUR, CONST_CS | CONST_PERSISTENT);
193    REGISTER_LONG_CONSTANT("SEEK_END", SEEK_END, CONST_CS | CONST_PERSISTENT);
194    REGISTER_LONG_CONSTANT("LOCK_SH", PHP_LOCK_SH, CONST_CS | CONST_PERSISTENT);
195    REGISTER_LONG_CONSTANT("LOCK_EX", PHP_LOCK_EX, CONST_CS | CONST_PERSISTENT);
196    REGISTER_LONG_CONSTANT("LOCK_UN", PHP_LOCK_UN, CONST_CS | CONST_PERSISTENT);
197    REGISTER_LONG_CONSTANT("LOCK_NB", PHP_LOCK_NB, CONST_CS | CONST_PERSISTENT);
198
199    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_CONNECT",         PHP_STREAM_NOTIFY_CONNECT,          CONST_CS | CONST_PERSISTENT);
200    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_REQUIRED",   PHP_STREAM_NOTIFY_AUTH_REQUIRED,    CONST_CS | CONST_PERSISTENT);
201    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_RESULT",     PHP_STREAM_NOTIFY_AUTH_RESULT,      CONST_CS | CONST_PERSISTENT);
202    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_MIME_TYPE_IS",    PHP_STREAM_NOTIFY_MIME_TYPE_IS,     CONST_CS | CONST_PERSISTENT);
203    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FILE_SIZE_IS",    PHP_STREAM_NOTIFY_FILE_SIZE_IS,     CONST_CS | CONST_PERSISTENT);
204    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_REDIRECTED",      PHP_STREAM_NOTIFY_REDIRECTED,       CONST_CS | CONST_PERSISTENT);
205    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_PROGRESS",        PHP_STREAM_NOTIFY_PROGRESS,         CONST_CS | CONST_PERSISTENT);
206    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FAILURE",         PHP_STREAM_NOTIFY_FAILURE,          CONST_CS | CONST_PERSISTENT);
207    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_COMPLETED",       PHP_STREAM_NOTIFY_COMPLETED,        CONST_CS | CONST_PERSISTENT);
208    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_RESOLVE",         PHP_STREAM_NOTIFY_RESOLVE,          CONST_CS | CONST_PERSISTENT);
209
210    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_INFO",   PHP_STREAM_NOTIFY_SEVERITY_INFO,    CONST_CS | CONST_PERSISTENT);
211    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_WARN",   PHP_STREAM_NOTIFY_SEVERITY_WARN,    CONST_CS | CONST_PERSISTENT);
212    REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_ERR",    PHP_STREAM_NOTIFY_SEVERITY_ERR,     CONST_CS | CONST_PERSISTENT);
213
214    REGISTER_LONG_CONSTANT("STREAM_FILTER_READ",            PHP_STREAM_FILTER_READ,             CONST_CS | CONST_PERSISTENT);
215    REGISTER_LONG_CONSTANT("STREAM_FILTER_WRITE",           PHP_STREAM_FILTER_WRITE,            CONST_CS | CONST_PERSISTENT);
216    REGISTER_LONG_CONSTANT("STREAM_FILTER_ALL",             PHP_STREAM_FILTER_ALL,              CONST_CS | CONST_PERSISTENT);
217
218    REGISTER_LONG_CONSTANT("STREAM_CLIENT_PERSISTENT",      PHP_STREAM_CLIENT_PERSISTENT,       CONST_CS | CONST_PERSISTENT);
219    REGISTER_LONG_CONSTANT("STREAM_CLIENT_ASYNC_CONNECT",   PHP_STREAM_CLIENT_ASYNC_CONNECT,    CONST_CS | CONST_PERSISTENT);
220    REGISTER_LONG_CONSTANT("STREAM_CLIENT_CONNECT",         PHP_STREAM_CLIENT_CONNECT,  CONST_CS | CONST_PERSISTENT);
221
222    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_CLIENT",   STREAM_CRYPTO_METHOD_ANY_CLIENT,    CONST_CS|CONST_PERSISTENT);
223    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_CLIENT", STREAM_CRYPTO_METHOD_SSLv2_CLIENT,  CONST_CS|CONST_PERSISTENT);
224    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_CLIENT", STREAM_CRYPTO_METHOD_SSLv3_CLIENT,  CONST_CS|CONST_PERSISTENT);
225    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_CLIENT",    STREAM_CRYPTO_METHOD_SSLv23_CLIENT, CONST_CS|CONST_PERSISTENT);
226    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_CLIENT",   STREAM_CRYPTO_METHOD_TLS_CLIENT,    CONST_CS|CONST_PERSISTENT);
227    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT,    CONST_CS|CONST_PERSISTENT);
228    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT,    CONST_CS|CONST_PERSISTENT);
229    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT",   STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT,    CONST_CS|CONST_PERSISTENT);
230    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_SERVER",   STREAM_CRYPTO_METHOD_ANY_SERVER,    CONST_CS|CONST_PERSISTENT);
231    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_SERVER", STREAM_CRYPTO_METHOD_SSLv2_SERVER,  CONST_CS|CONST_PERSISTENT);
232    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_SERVER", STREAM_CRYPTO_METHOD_SSLv3_SERVER,  CONST_CS|CONST_PERSISTENT);
233    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_SERVER",    STREAM_CRYPTO_METHOD_SSLv23_SERVER, CONST_CS|CONST_PERSISTENT);
234    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_SERVER",   STREAM_CRYPTO_METHOD_TLS_SERVER,    CONST_CS|CONST_PERSISTENT);
235    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_0_SERVER,    CONST_CS|CONST_PERSISTENT);
236    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_1_SERVER,    CONST_CS|CONST_PERSISTENT);
237    REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_SERVER",   STREAM_CRYPTO_METHOD_TLSv1_2_SERVER,    CONST_CS|CONST_PERSISTENT);
238
239    REGISTER_LONG_CONSTANT("STREAM_SHUT_RD",    STREAM_SHUT_RD,     CONST_CS|CONST_PERSISTENT);
240    REGISTER_LONG_CONSTANT("STREAM_SHUT_WR",    STREAM_SHUT_WR,     CONST_CS|CONST_PERSISTENT);
241    REGISTER_LONG_CONSTANT("STREAM_SHUT_RDWR",  STREAM_SHUT_RDWR,   CONST_CS|CONST_PERSISTENT);
242
243#ifdef PF_INET
244    REGISTER_LONG_CONSTANT("STREAM_PF_INET", PF_INET, CONST_CS|CONST_PERSISTENT);
245#elif defined(AF_INET)
246    REGISTER_LONG_CONSTANT("STREAM_PF_INET", AF_INET, CONST_CS|CONST_PERSISTENT);
247#endif
248
249#if HAVE_IPV6
250# ifdef PF_INET6
251    REGISTER_LONG_CONSTANT("STREAM_PF_INET6", PF_INET6, CONST_CS|CONST_PERSISTENT);
252# elif defined(AF_INET6)
253    REGISTER_LONG_CONSTANT("STREAM_PF_INET6", AF_INET6, CONST_CS|CONST_PERSISTENT);
254# endif
255#endif
256
257#ifdef PF_UNIX
258    REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", PF_UNIX, CONST_CS|CONST_PERSISTENT);
259#elif defined(AF_UNIX)
260    REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", AF_UNIX, CONST_CS|CONST_PERSISTENT);
261#endif
262
263#ifdef IPPROTO_IP
264    /* most people will use this one when calling socket() or socketpair() */
265    REGISTER_LONG_CONSTANT("STREAM_IPPROTO_IP", IPPROTO_IP, CONST_CS|CONST_PERSISTENT);
266#endif
267
268#ifdef IPPROTO_TCP
269    REGISTER_LONG_CONSTANT("STREAM_IPPROTO_TCP", IPPROTO_TCP, CONST_CS|CONST_PERSISTENT);
270#endif
271
272#ifdef IPPROTO_UDP
273    REGISTER_LONG_CONSTANT("STREAM_IPPROTO_UDP", IPPROTO_UDP, CONST_CS|CONST_PERSISTENT);
274#endif
275
276#ifdef IPPROTO_ICMP
277    REGISTER_LONG_CONSTANT("STREAM_IPPROTO_ICMP", IPPROTO_ICMP, CONST_CS|CONST_PERSISTENT);
278#endif
279
280#ifdef IPPROTO_RAW
281    REGISTER_LONG_CONSTANT("STREAM_IPPROTO_RAW", IPPROTO_RAW, CONST_CS|CONST_PERSISTENT);
282#endif
283
284    REGISTER_LONG_CONSTANT("STREAM_SOCK_STREAM", SOCK_STREAM, CONST_CS|CONST_PERSISTENT);
285    REGISTER_LONG_CONSTANT("STREAM_SOCK_DGRAM", SOCK_DGRAM, CONST_CS|CONST_PERSISTENT);
286
287#ifdef SOCK_RAW
288    REGISTER_LONG_CONSTANT("STREAM_SOCK_RAW", SOCK_RAW, CONST_CS|CONST_PERSISTENT);
289#endif
290
291#ifdef SOCK_SEQPACKET
292    REGISTER_LONG_CONSTANT("STREAM_SOCK_SEQPACKET", SOCK_SEQPACKET, CONST_CS|CONST_PERSISTENT);
293#endif
294
295#ifdef SOCK_RDM
296    REGISTER_LONG_CONSTANT("STREAM_SOCK_RDM", SOCK_RDM, CONST_CS|CONST_PERSISTENT);
297#endif
298
299    REGISTER_LONG_CONSTANT("STREAM_PEEK", STREAM_PEEK, CONST_CS | CONST_PERSISTENT);
300    REGISTER_LONG_CONSTANT("STREAM_OOB",  STREAM_OOB, CONST_CS | CONST_PERSISTENT);
301
302    REGISTER_LONG_CONSTANT("STREAM_SERVER_BIND",            STREAM_XPORT_BIND,                  CONST_CS | CONST_PERSISTENT);
303    REGISTER_LONG_CONSTANT("STREAM_SERVER_LISTEN",          STREAM_XPORT_LISTEN,                CONST_CS | CONST_PERSISTENT);
304
305    REGISTER_LONG_CONSTANT("FILE_USE_INCLUDE_PATH",         PHP_FILE_USE_INCLUDE_PATH,          CONST_CS | CONST_PERSISTENT);
306    REGISTER_LONG_CONSTANT("FILE_IGNORE_NEW_LINES",         PHP_FILE_IGNORE_NEW_LINES,          CONST_CS | CONST_PERSISTENT);
307    REGISTER_LONG_CONSTANT("FILE_SKIP_EMPTY_LINES",         PHP_FILE_SKIP_EMPTY_LINES,          CONST_CS | CONST_PERSISTENT);
308    REGISTER_LONG_CONSTANT("FILE_APPEND",                   PHP_FILE_APPEND,                    CONST_CS | CONST_PERSISTENT);
309    REGISTER_LONG_CONSTANT("FILE_NO_DEFAULT_CONTEXT",       PHP_FILE_NO_DEFAULT_CONTEXT,        CONST_CS | CONST_PERSISTENT);
310
311    REGISTER_LONG_CONSTANT("FILE_TEXT",                     0,                                  CONST_CS | CONST_PERSISTENT);
312    REGISTER_LONG_CONSTANT("FILE_BINARY",                   0,                                  CONST_CS | CONST_PERSISTENT);
313
314#ifdef HAVE_FNMATCH
315    REGISTER_LONG_CONSTANT("FNM_NOESCAPE", FNM_NOESCAPE, CONST_CS | CONST_PERSISTENT);
316    REGISTER_LONG_CONSTANT("FNM_PATHNAME", FNM_PATHNAME, CONST_CS | CONST_PERSISTENT);
317    REGISTER_LONG_CONSTANT("FNM_PERIOD",   FNM_PERIOD,   CONST_CS | CONST_PERSISTENT);
318# ifdef FNM_CASEFOLD /* a GNU extension */ /* TODO emulate if not available */
319    REGISTER_LONG_CONSTANT("FNM_CASEFOLD", FNM_CASEFOLD, CONST_CS | CONST_PERSISTENT);
320# endif
321#endif
322
323    return SUCCESS;
324}
325/* }}} */
326
327PHP_MSHUTDOWN_FUNCTION(file) /* {{{ */
328{
329#ifndef ZTS
330    file_globals_dtor(&file_globals TSRMLS_CC);
331#endif
332    return SUCCESS;
333}
334/* }}} */
335
336static int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN };
337
338/* {{{ proto bool flock(resource fp, int operation [, int &wouldblock])
339   Portable file locking */
340PHP_FUNCTION(flock)
341{
342    zval *arg1, *arg3 = NULL;
343    int act;
344    php_stream *stream;
345    long operation = 0;
346
347    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|z", &arg1, &operation, &arg3) == FAILURE) {
348        return;
349    }
350
351    PHP_STREAM_TO_ZVAL(stream, &arg1);
352
353    act = operation & 3;
354    if (act < 1 || act > 3) {
355        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Illegal operation argument");
356        RETURN_FALSE;
357    }
358
359    if (arg3 && PZVAL_IS_REF(arg3)) {
360        convert_to_long_ex(&arg3);
361        Z_LVAL_P(arg3) = 0;
362    }
363
364    /* flock_values contains all possible actions if (operation & 4) we won't block on the lock */
365    act = flock_values[act - 1] | (operation & PHP_LOCK_NB ? LOCK_NB : 0);
366    if (php_stream_lock(stream, act)) {
367        if (operation && errno == EWOULDBLOCK && arg3 && PZVAL_IS_REF(arg3)) {
368            Z_LVAL_P(arg3) = 1;
369        }
370        RETURN_FALSE;
371    }
372    RETURN_TRUE;
373}
374/* }}} */
375
376#define PHP_META_UNSAFE ".\\+*?[^]$() "
377
378/* {{{ proto array get_meta_tags(string filename [, bool use_include_path])
379   Extracts all meta tag content attributes from a file and returns an array */
380PHP_FUNCTION(get_meta_tags)
381{
382    char *filename;
383    int filename_len;
384    zend_bool use_include_path = 0;
385    int in_tag = 0, done = 0;
386    int looking_for_val = 0, have_name = 0, have_content = 0;
387    int saw_name = 0, saw_content = 0;
388    char *name = NULL, *value = NULL, *temp = NULL;
389    php_meta_tags_token tok, tok_last;
390    php_meta_tags_data md;
391
392    /* Initiailize our structure */
393    memset(&md, 0, sizeof(md));
394
395    /* Parse arguments */
396    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|b", &filename, &filename_len, &use_include_path) == FAILURE) {
397        return;
398    }
399
400    md.stream = php_stream_open_wrapper(filename, "rb",
401            (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
402            NULL);
403    if (!md.stream) {
404        RETURN_FALSE;
405    }
406
407    array_init(return_value);
408
409    tok_last = TOK_EOF;
410
411    while (!done && (tok = php_next_meta_token(&md TSRMLS_CC)) != TOK_EOF) {
412        if (tok == TOK_ID) {
413            if (tok_last == TOK_OPENTAG) {
414                md.in_meta = !strcasecmp("meta", md.token_data);
415            } else if (tok_last == TOK_SLASH && in_tag) {
416                if (strcasecmp("head", md.token_data) == 0) {
417                    /* We are done here! */
418                    done = 1;
419                }
420            } else if (tok_last == TOK_EQUAL && looking_for_val) {
421                if (saw_name) {
422                    STR_FREE(name);
423                    /* Get the NAME attr (Single word attr, non-quoted) */
424                    temp = name = estrndup(md.token_data, md.token_len);
425
426                    while (temp && *temp) {
427                        if (strchr(PHP_META_UNSAFE, *temp)) {
428                            *temp = '_';
429                        }
430                        temp++;
431                    }
432
433                    have_name = 1;
434                } else if (saw_content) {
435                    STR_FREE(value);
436                    value = estrndup(md.token_data, md.token_len);
437                    have_content = 1;
438                }
439
440                looking_for_val = 0;
441            } else {
442                if (md.in_meta) {
443                    if (strcasecmp("name", md.token_data) == 0) {
444                        saw_name = 1;
445                        saw_content = 0;
446                        looking_for_val = 1;
447                    } else if (strcasecmp("content", md.token_data) == 0) {
448                        saw_name = 0;
449                        saw_content = 1;
450                        looking_for_val = 1;
451                    }
452                }
453            }
454        } else if (tok == TOK_STRING && tok_last == TOK_EQUAL && looking_for_val) {
455            if (saw_name) {
456                STR_FREE(name);
457                /* Get the NAME attr (Quoted single/double) */
458                temp = name = estrndup(md.token_data, md.token_len);
459
460                while (temp && *temp) {
461                    if (strchr(PHP_META_UNSAFE, *temp)) {
462                        *temp = '_';
463                    }
464                    temp++;
465                }
466
467                have_name = 1;
468            } else if (saw_content) {
469                STR_FREE(value);
470                value = estrndup(md.token_data, md.token_len);
471                have_content = 1;
472            }
473
474            looking_for_val = 0;
475        } else if (tok == TOK_OPENTAG) {
476            if (looking_for_val) {
477                looking_for_val = 0;
478                have_name = saw_name = 0;
479                have_content = saw_content = 0;
480            }
481            in_tag = 1;
482        } else if (tok == TOK_CLOSETAG) {
483            if (have_name) {
484                /* For BC */
485                php_strtolower(name, strlen(name));
486                if (have_content) {
487                    add_assoc_string(return_value, name, value, 1);
488                } else {
489                    add_assoc_string(return_value, name, "", 1);
490                }
491
492                efree(name);
493                STR_FREE(value);
494            } else if (have_content) {
495                efree(value);
496            }
497
498            name = value = NULL;
499
500            /* Reset all of our flags */
501            in_tag = looking_for_val = 0;
502            have_name = saw_name = 0;
503            have_content = saw_content = 0;
504            md.in_meta = 0;
505        }
506
507        tok_last = tok;
508
509        if (md.token_data)
510            efree(md.token_data);
511
512        md.token_data = NULL;
513    }
514
515    STR_FREE(value);
516    STR_FREE(name);
517    php_stream_close(md.stream);
518}
519/* }}} */
520
521/* {{{ proto string file_get_contents(string filename [, bool use_include_path [, resource context [, long offset [, long maxlen]]]])
522   Read the entire file into a string */
523PHP_FUNCTION(file_get_contents)
524{
525    char *filename;
526    int filename_len;
527    char *contents;
528    zend_bool use_include_path = 0;
529    php_stream *stream;
530    int 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        RETVAL_STRINGL(contents, len, 0);
563    } else if (len == 0) {
564        RETVAL_EMPTY_STRING();
565    } else {
566        RETVAL_FALSE;
567    }
568
569    php_stream_close(stream);
570}
571/* }}} */
572
573/* {{{ proto int file_put_contents(string file, mixed data [, int flags [, resource context]])
574   Write/Create a file with contents data and return the number of bytes written */
575PHP_FUNCTION(file_put_contents)
576{
577    php_stream *stream;
578    char *filename;
579    int filename_len;
580    zval *data;
581    int numbytes = 0;
582    long flags = 0;
583    zval *zcontext = NULL;
584    php_stream_context *context = NULL;
585    php_stream *srcstream = NULL;
586    char mode[3] = "wb";
587
588    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pz/|lr!", &filename, &filename_len, &data, &flags, &zcontext) == FAILURE) {
589        return;
590    }
591
592    if (Z_TYPE_P(data) == IS_RESOURCE) {
593        php_stream_from_zval(srcstream, &data);
594    }
595
596    context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
597
598    if (flags & PHP_FILE_APPEND) {
599        mode[0] = 'a';
600    } else if (flags & LOCK_EX) {
601        /* check to make sure we are dealing with a regular file */
602        if (php_memnstr(filename, "://", sizeof("://") - 1, filename + filename_len)) {
603            if (strncasecmp(filename, "file://", sizeof("file://") - 1)) {
604                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks may only be set for regular files");
605                RETURN_FALSE;
606            }
607        }
608        mode[0] = 'c';
609    }
610    mode[2] = '\0';
611
612    stream = php_stream_open_wrapper_ex(filename, mode, ((flags & PHP_FILE_USE_INCLUDE_PATH) ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
613    if (stream == NULL) {
614        RETURN_FALSE;
615    }
616
617    if (flags & LOCK_EX && (!php_stream_supports_lock(stream) || php_stream_lock(stream, LOCK_EX))) {
618        php_stream_close(stream);
619        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Exclusive locks are not supported for this stream");
620        RETURN_FALSE;
621    }
622
623    if (mode[0] == 'c') {
624        php_stream_truncate_set_size(stream, 0);
625    }
626
627    switch (Z_TYPE_P(data)) {
628        case IS_RESOURCE: {
629            size_t len;
630            if (php_stream_copy_to_stream_ex(srcstream, stream, PHP_STREAM_COPY_ALL, &len) != SUCCESS) {
631                numbytes = -1;
632            } else {
633                numbytes = len;
634            }
635            break;
636        }
637        case IS_NULL:
638        case IS_LONG:
639        case IS_DOUBLE:
640        case IS_BOOL:
641        case IS_CONSTANT:
642            convert_to_string_ex(&data);
643
644        case IS_STRING:
645            if (Z_STRLEN_P(data)) {
646                numbytes = php_stream_write(stream, Z_STRVAL_P(data), Z_STRLEN_P(data));
647                if (numbytes != Z_STRLEN_P(data)) {
648                    php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %d of %d bytes written, possibly out of free disk space", numbytes, Z_STRLEN_P(data));
649                    numbytes = -1;
650                }
651            }
652            break;
653
654        case IS_ARRAY:
655            if (zend_hash_num_elements(Z_ARRVAL_P(data))) {
656                int bytes_written;
657                zval **tmp;
658                HashPosition pos;
659
660                zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(data), &pos);
661                while (zend_hash_get_current_data_ex(Z_ARRVAL_P(data), (void **) &tmp, &pos) == SUCCESS) {
662                    if (Z_TYPE_PP(tmp) != IS_STRING) {
663                        SEPARATE_ZVAL(tmp);
664                        convert_to_string(*tmp);
665                    }
666                    if (Z_STRLEN_PP(tmp)) {
667                        numbytes += Z_STRLEN_PP(tmp);
668                        bytes_written = php_stream_write(stream, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
669                        if (bytes_written < 0 || bytes_written != Z_STRLEN_PP(tmp)) {
670                            if (bytes_written < 0) {
671                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write %d bytes to %s", Z_STRLEN_PP(tmp), filename);
672                            } else {
673                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %d of %d bytes written, possibly out of free disk space", bytes_written, Z_STRLEN_PP(tmp));
674                            }
675                            numbytes = -1;
676                            break;
677                        }
678                    }
679                    zend_hash_move_forward_ex(Z_ARRVAL_P(data), &pos);
680                }
681            }
682            break;
683
684        case IS_OBJECT:
685            if (Z_OBJ_HT_P(data) != NULL) {
686                zval out;
687
688                if (zend_std_cast_object_tostring(data, &out, IS_STRING TSRMLS_CC) == SUCCESS) {
689                    numbytes = php_stream_write(stream, Z_STRVAL(out), Z_STRLEN(out));
690                    if (numbytes != Z_STRLEN(out)) {
691                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %d of %d bytes written, possibly out of free disk space", numbytes, Z_STRLEN(out));
692                        numbytes = -1;
693                    }
694                    zval_dtor(&out);
695                    break;
696                }
697            }
698        default:
699            numbytes = -1;
700            break;
701    }
702    php_stream_close(stream);
703
704    if (numbytes < 0) {
705        RETURN_FALSE;
706    }
707
708    RETURN_LONG(numbytes);
709}
710/* }}} */
711
712#define PHP_FILE_BUF_SIZE   80
713
714/* {{{ proto array file(string filename [, int flags[, resource context]])
715   Read entire file into an array */
716PHP_FUNCTION(file)
717{
718    char *filename;
719    int filename_len;
720    char *target_buf=NULL, *p, *s, *e;
721    register int i = 0;
722    int target_len;
723    char eol_marker = '\n';
724    long flags = 0;
725    zend_bool use_include_path;
726    zend_bool include_new_line;
727    zend_bool skip_blank_lines;
728    php_stream *stream;
729    zval *zcontext = NULL;
730    php_stream_context *context = NULL;
731
732    /* Parse arguments */
733    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|lr!", &filename, &filename_len, &flags, &zcontext) == FAILURE) {
734        return;
735    }
736    if (flags < 0 || flags > (PHP_FILE_USE_INCLUDE_PATH | PHP_FILE_IGNORE_NEW_LINES | PHP_FILE_SKIP_EMPTY_LINES | PHP_FILE_NO_DEFAULT_CONTEXT)) {
737        php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%ld' flag is not supported", flags);
738        RETURN_FALSE;
739    }
740
741    use_include_path = flags & PHP_FILE_USE_INCLUDE_PATH;
742    include_new_line = !(flags & PHP_FILE_IGNORE_NEW_LINES);
743    skip_blank_lines = flags & PHP_FILE_SKIP_EMPTY_LINES;
744
745    context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
746
747    stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
748    if (!stream) {
749        RETURN_FALSE;
750    }
751
752    /* Initialize return array */
753    array_init(return_value);
754
755    if ((target_len = php_stream_copy_to_mem(stream, &target_buf, PHP_STREAM_COPY_ALL, 0))) {
756        s = target_buf;
757        e = target_buf + target_len;
758
759        if (!(p = php_stream_locate_eol(stream, target_buf, target_len TSRMLS_CC))) {
760            p = e;
761            goto parse_eol;
762        }
763
764        if (stream->flags & PHP_STREAM_FLAG_EOL_MAC) {
765            eol_marker = '\r';
766        }
767
768        /* for performance reasons the code is duplicated, so that the if (include_new_line)
769         * will not need to be done for every single line in the file. */
770        if (include_new_line) {
771            do {
772                p++;
773parse_eol:
774                add_index_stringl(return_value, i++, estrndup(s, p-s), p-s, 0);
775                s = p;
776            } while ((p = memchr(p, eol_marker, (e-p))));
777        } else {
778            do {
779                int windows_eol = 0;
780                if (p != target_buf && eol_marker == '\n' && *(p - 1) == '\r') {
781                    windows_eol++;
782                }
783                if (skip_blank_lines && !(p-s-windows_eol)) {
784                    s = ++p;
785                    continue;
786                }
787                add_index_stringl(return_value, i++, estrndup(s, p-s-windows_eol), p-s-windows_eol, 0);
788                s = ++p;
789            } while ((p = memchr(p, eol_marker, (e-p))));
790        }
791
792        /* handle any left overs of files without new lines */
793        if (s != e) {
794            p = e;
795            goto parse_eol;
796        }
797    }
798
799    if (target_buf) {
800        efree(target_buf);
801    }
802    php_stream_close(stream);
803}
804/* }}} */
805
806/* {{{ proto string tempnam(string dir, string prefix)
807   Create a unique filename in a directory */
808PHP_FUNCTION(tempnam)
809{
810    char *dir, *prefix;
811    int dir_len, prefix_len;
812    size_t p_len;
813    char *opened_path;
814    char *p;
815    int fd;
816
817    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps", &dir, &dir_len, &prefix, &prefix_len) == FAILURE) {
818        return;
819    }
820
821    if (php_check_open_basedir(dir TSRMLS_CC)) {
822        RETURN_FALSE;
823    }
824
825    php_basename(prefix, prefix_len, NULL, 0, &p, &p_len TSRMLS_CC);
826    if (p_len > 64) {
827        p[63] = '\0';
828    }
829
830    RETVAL_FALSE;
831
832    if ((fd = php_open_temporary_fd_ex(dir, p, &opened_path, 1 TSRMLS_CC)) >= 0) {
833        close(fd);
834        RETVAL_STRING(opened_path, 0);
835    }
836    efree(p);
837}
838/* }}} */
839
840/* {{{ proto resource tmpfile(void)
841   Create a temporary file that will be deleted automatically after use */
842PHP_NAMED_FUNCTION(php_if_tmpfile)
843{
844    php_stream *stream;
845
846    if (zend_parse_parameters_none() == FAILURE) {
847        return;
848    }
849
850    stream = php_stream_fopen_tmpfile();
851
852    if (stream) {
853        php_stream_to_zval(stream, return_value);
854    } else {
855        RETURN_FALSE;
856    }
857}
858/* }}} */
859
860/* {{{ proto resource fopen(string filename, string mode [, bool use_include_path [, resource context]])
861   Open a file or a URL and return a file pointer */
862PHP_NAMED_FUNCTION(php_if_fopen)
863{
864    char *filename, *mode;
865    int filename_len, mode_len;
866    zend_bool use_include_path = 0;
867    zval *zcontext = NULL;
868    php_stream *stream;
869    php_stream_context *context = NULL;
870
871    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps|br", &filename, &filename_len, &mode, &mode_len, &use_include_path, &zcontext) == FAILURE) {
872        RETURN_FALSE;
873    }
874
875    context = php_stream_context_from_zval(zcontext, 0);
876
877    stream = php_stream_open_wrapper_ex(filename, mode, (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
878
879    if (stream == NULL) {
880        RETURN_FALSE;
881    }
882
883    php_stream_to_zval(stream, return_value);
884}
885/* }}} */
886
887/* {{{ proto bool fclose(resource fp)
888   Close an open file pointer */
889PHPAPI PHP_FUNCTION(fclose)
890{
891    zval *arg1;
892    php_stream *stream;
893
894    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
895        RETURN_FALSE;
896    }
897
898    PHP_STREAM_TO_ZVAL(stream, &arg1);
899
900    if ((stream->flags & PHP_STREAM_FLAG_NO_FCLOSE) != 0) {
901        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%d is not a valid stream resource", stream->rsrc_id);
902        RETURN_FALSE;
903    }
904
905    if (!stream->is_persistent) {
906        php_stream_close(stream);
907    } else {
908        php_stream_pclose(stream);
909    }
910
911    RETURN_TRUE;
912}
913/* }}} */
914
915/* {{{ proto resource popen(string command, string mode)
916   Execute a command and open either a read or a write pipe to it */
917PHP_FUNCTION(popen)
918{
919    char *command, *mode;
920    int command_len, mode_len;
921    FILE *fp;
922    php_stream *stream;
923    char *posix_mode;
924
925    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ps", &command, &command_len, &mode, &mode_len) == FAILURE) {
926        return;
927    }
928
929    posix_mode = estrndup(mode, mode_len);
930#ifndef PHP_WIN32
931    {
932        char *z = memchr(posix_mode, 'b', mode_len);
933        if (z) {
934            memmove(z, z + 1, mode_len - (z - posix_mode));
935        }
936    }
937#endif
938
939    fp = VCWD_POPEN(command, posix_mode);
940    if (!fp) {
941        php_error_docref2(NULL TSRMLS_CC, command, posix_mode, E_WARNING, "%s", strerror(errno));
942        efree(posix_mode);
943        RETURN_FALSE;
944    }
945
946    stream = php_stream_fopen_from_pipe(fp, mode);
947
948    if (stream == NULL) {
949        php_error_docref2(NULL TSRMLS_CC, command, mode, E_WARNING, "%s", strerror(errno));
950        RETVAL_FALSE;
951    } else {
952        php_stream_to_zval(stream, return_value);
953    }
954
955    efree(posix_mode);
956}
957/* }}} */
958
959/* {{{ proto int pclose(resource fp)
960   Close a file pointer opened by popen() */
961PHP_FUNCTION(pclose)
962{
963    zval *arg1;
964    php_stream *stream;
965
966    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
967        RETURN_FALSE;
968    }
969
970    PHP_STREAM_TO_ZVAL(stream, &arg1);
971
972    FG(pclose_wait) = 1;
973    zend_list_delete(stream->rsrc_id);
974    FG(pclose_wait) = 0;
975    RETURN_LONG(FG(pclose_ret));
976}
977/* }}} */
978
979/* {{{ proto bool feof(resource fp)
980   Test for end-of-file on a file pointer */
981PHPAPI PHP_FUNCTION(feof)
982{
983    zval *arg1;
984    php_stream *stream;
985
986    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
987        RETURN_FALSE;
988    }
989
990    PHP_STREAM_TO_ZVAL(stream, &arg1);
991
992    if (php_stream_eof(stream)) {
993        RETURN_TRUE;
994    } else {
995        RETURN_FALSE;
996    }
997}
998/* }}} */
999
1000/* {{{ proto string fgets(resource fp[, int length])
1001   Get a line from file pointer */
1002PHPAPI PHP_FUNCTION(fgets)
1003{
1004    zval *arg1;
1005    long len = 1024;
1006    char *buf = NULL;
1007    int argc = ZEND_NUM_ARGS();
1008    size_t line_len = 0;
1009    php_stream *stream;
1010
1011    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &arg1, &len) == FAILURE) {
1012        RETURN_FALSE;
1013    }
1014
1015    PHP_STREAM_TO_ZVAL(stream, &arg1);
1016
1017    if (argc == 1) {
1018        /* ask streams to give us a buffer of an appropriate size */
1019        buf = php_stream_get_line(stream, NULL, 0, &line_len);
1020        if (buf == NULL) {
1021            goto exit_failed;
1022        }
1023    } else if (argc > 1) {
1024        if (len <= 0) {
1025            php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1026            RETURN_FALSE;
1027        }
1028
1029        buf = ecalloc(len + 1, sizeof(char));
1030        if (php_stream_get_line(stream, buf, len, &line_len) == NULL) {
1031            goto exit_failed;
1032        }
1033    }
1034
1035    ZVAL_STRINGL(return_value, buf, line_len, 0);
1036    /* resize buffer if it's much larger than the result.
1037     * Only needed if the user requested a buffer size. */
1038    if (argc > 1 && Z_STRLEN_P(return_value) < len / 2) {
1039        Z_STRVAL_P(return_value) = erealloc(buf, line_len + 1);
1040    }
1041    return;
1042
1043exit_failed:
1044    RETVAL_FALSE;
1045    if (buf) {
1046        efree(buf);
1047    }
1048}
1049/* }}} */
1050
1051/* {{{ proto string fgetc(resource fp)
1052   Get a character from file pointer */
1053PHPAPI PHP_FUNCTION(fgetc)
1054{
1055    zval *arg1;
1056    char buf[2];
1057    int result;
1058    php_stream *stream;
1059
1060    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1061        RETURN_FALSE;
1062    }
1063
1064    PHP_STREAM_TO_ZVAL(stream, &arg1);
1065
1066    result = php_stream_getc(stream);
1067
1068    if (result == EOF) {
1069        RETVAL_FALSE;
1070    } else {
1071        buf[0] = result;
1072        buf[1] = '\0';
1073
1074        RETURN_STRINGL(buf, 1, 1);
1075    }
1076}
1077/* }}} */
1078
1079/* {{{ proto string fgetss(resource fp [, int length [, string allowable_tags]])
1080   Get a line from file pointer and strip HTML tags */
1081PHPAPI PHP_FUNCTION(fgetss)
1082{
1083    zval *fd;
1084    long bytes = 0;
1085    size_t len = 0;
1086    size_t actual_len, retval_len;
1087    char *buf = NULL, *retval;
1088    php_stream *stream;
1089    char *allowed_tags=NULL;
1090    int allowed_tags_len=0;
1091
1092    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|ls", &fd, &bytes, &allowed_tags, &allowed_tags_len) == FAILURE) {
1093        RETURN_FALSE;
1094    }
1095
1096    PHP_STREAM_TO_ZVAL(stream, &fd);
1097
1098    if (ZEND_NUM_ARGS() >= 2) {
1099        if (bytes <= 0) {
1100            php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1101            RETURN_FALSE;
1102        }
1103
1104        len = (size_t) bytes;
1105        buf = safe_emalloc(sizeof(char), (len + 1), 0);
1106        /*needed because recv doesnt set null char at end*/
1107        memset(buf, 0, len + 1);
1108    }
1109
1110    if ((retval = php_stream_get_line(stream, buf, len, &actual_len)) == NULL)  {
1111        if (buf != NULL) {
1112            efree(buf);
1113        }
1114        RETURN_FALSE;
1115    }
1116
1117    retval_len = php_strip_tags(retval, actual_len, &stream->fgetss_state, allowed_tags, allowed_tags_len);
1118
1119    RETURN_STRINGL(retval, retval_len, 0);
1120}
1121/* }}} */
1122
1123/* {{{ proto mixed fscanf(resource stream, string format [, string ...])
1124   Implements a mostly ANSI compatible fscanf() */
1125PHP_FUNCTION(fscanf)
1126{
1127    int result, format_len, type, argc = 0;
1128    zval ***args = NULL;
1129    zval *file_handle;
1130    char *buf, *format;
1131    size_t len;
1132    void *what;
1133
1134    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs*", &file_handle, &format, &format_len, &args, &argc) == FAILURE) {
1135        return;
1136    }
1137
1138    what = zend_fetch_resource(&file_handle TSRMLS_CC, -1, "File-Handle", &type, 2, php_file_le_stream(), php_file_le_pstream());
1139
1140    /* we can't do a ZEND_VERIFY_RESOURCE(what), otherwise we end up
1141     * with a leak if we have an invalid filehandle. This needs changing
1142     * if the code behind ZEND_VERIFY_RESOURCE changed. - cc */
1143    if (!what) {
1144        if (args) {
1145            efree(args);
1146        }
1147        RETURN_FALSE;
1148    }
1149
1150    buf = php_stream_get_line((php_stream *) what, NULL, 0, &len);
1151    if (buf == NULL) {
1152        if (args) {
1153            efree(args);
1154        }
1155        RETURN_FALSE;
1156    }
1157
1158    result = php_sscanf_internal(buf, format, argc, args, 0, &return_value TSRMLS_CC);
1159
1160    if (args) {
1161        efree(args);
1162    }
1163    efree(buf);
1164
1165    if (SCAN_ERROR_WRONG_PARAM_COUNT == result) {
1166        WRONG_PARAM_COUNT;
1167    }
1168}
1169/* }}} */
1170
1171/* {{{ proto int fwrite(resource fp, string str [, int length])
1172   Binary-safe file write */
1173PHPAPI PHP_FUNCTION(fwrite)
1174{
1175    zval *arg1;
1176    char *arg2;
1177    int arg2len;
1178    int ret;
1179    int num_bytes;
1180    long arg3 = 0;
1181    char *buffer = NULL;
1182    php_stream *stream;
1183
1184    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &arg1, &arg2, &arg2len, &arg3) == FAILURE) {
1185        RETURN_FALSE;
1186    }
1187
1188    if (ZEND_NUM_ARGS() == 2) {
1189        num_bytes = arg2len;
1190    } else {
1191        num_bytes = MAX(0, MIN((int)arg3, arg2len));
1192    }
1193
1194    if (!num_bytes) {
1195        RETURN_LONG(0);
1196    }
1197
1198    PHP_STREAM_TO_ZVAL(stream, &arg1);
1199
1200    ret = php_stream_write(stream, buffer ? buffer : arg2, num_bytes);
1201    if (buffer) {
1202        efree(buffer);
1203    }
1204
1205    RETURN_LONG(ret);
1206}
1207/* }}} */
1208
1209/* {{{ proto bool fflush(resource fp)
1210   Flushes output */
1211PHPAPI PHP_FUNCTION(fflush)
1212{
1213    zval *arg1;
1214    int ret;
1215    php_stream *stream;
1216
1217    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1218        RETURN_FALSE;
1219    }
1220
1221    PHP_STREAM_TO_ZVAL(stream, &arg1);
1222
1223    ret = php_stream_flush(stream);
1224    if (ret) {
1225        RETURN_FALSE;
1226    }
1227    RETURN_TRUE;
1228}
1229/* }}} */
1230
1231/* {{{ proto bool rewind(resource fp)
1232   Rewind the position of a file pointer */
1233PHPAPI PHP_FUNCTION(rewind)
1234{
1235    zval *arg1;
1236    php_stream *stream;
1237
1238    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1239        RETURN_FALSE;
1240    }
1241
1242    PHP_STREAM_TO_ZVAL(stream, &arg1);
1243
1244    if (-1 == php_stream_rewind(stream)) {
1245        RETURN_FALSE;
1246    }
1247    RETURN_TRUE;
1248}
1249/* }}} */
1250
1251/* {{{ proto int ftell(resource fp)
1252   Get file pointer's read/write position */
1253PHPAPI PHP_FUNCTION(ftell)
1254{
1255    zval *arg1;
1256    long ret;
1257    php_stream *stream;
1258
1259    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1260        RETURN_FALSE;
1261    }
1262
1263    PHP_STREAM_TO_ZVAL(stream, &arg1);
1264
1265    ret = php_stream_tell(stream);
1266    if (ret == -1)  {
1267        RETURN_FALSE;
1268    }
1269    RETURN_LONG(ret);
1270}
1271/* }}} */
1272
1273/* {{{ proto int fseek(resource fp, int offset [, int whence])
1274   Seek on a file pointer */
1275PHPAPI PHP_FUNCTION(fseek)
1276{
1277    zval *arg1;
1278    long arg2, whence = SEEK_SET;
1279    php_stream *stream;
1280
1281    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|l", &arg1, &arg2, &whence) == FAILURE) {
1282        RETURN_FALSE;
1283    }
1284
1285    PHP_STREAM_TO_ZVAL(stream, &arg1);
1286
1287    RETURN_LONG(php_stream_seek(stream, arg2, whence));
1288}
1289/* }}} */
1290
1291/* {{{ php_mkdir
1292*/
1293
1294/* DEPRECATED APIs: Use php_stream_mkdir() instead */
1295PHPAPI int php_mkdir_ex(const char *dir, long mode, int options TSRMLS_DC)
1296{
1297    int ret;
1298
1299    if (php_check_open_basedir(dir TSRMLS_CC)) {
1300        return -1;
1301    }
1302
1303    if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0 && (options & REPORT_ERRORS)) {
1304        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
1305    }
1306
1307    return ret;
1308}
1309
1310PHPAPI int php_mkdir(const char *dir, long mode TSRMLS_DC)
1311{
1312    return php_mkdir_ex(dir, mode, REPORT_ERRORS TSRMLS_CC);
1313}
1314/* }}} */
1315
1316/* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive [, resource context]]])
1317   Create a directory */
1318PHP_FUNCTION(mkdir)
1319{
1320    char *dir;
1321    int dir_len;
1322    zval *zcontext = NULL;
1323    long mode = 0777;
1324    zend_bool recursive = 0;
1325    php_stream_context *context;
1326
1327    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|lbr", &dir, &dir_len, &mode, &recursive, &zcontext) == FAILURE) {
1328        RETURN_FALSE;
1329    }
1330
1331    context = php_stream_context_from_zval(zcontext, 0);
1332
1333    RETURN_BOOL(php_stream_mkdir(dir, mode, (recursive ? PHP_STREAM_MKDIR_RECURSIVE : 0) | REPORT_ERRORS, context));
1334}
1335/* }}} */
1336
1337/* {{{ proto bool rmdir(string dirname[, resource context])
1338   Remove a directory */
1339PHP_FUNCTION(rmdir)
1340{
1341    char *dir;
1342    int dir_len;
1343    zval *zcontext = NULL;
1344    php_stream_context *context;
1345
1346    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|r", &dir, &dir_len, &zcontext) == FAILURE) {
1347        RETURN_FALSE;
1348    }
1349
1350    context = php_stream_context_from_zval(zcontext, 0);
1351
1352    RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context));
1353}
1354/* }}} */
1355
1356/* {{{ proto int readfile(string filename [, bool use_include_path[, resource context]])
1357   Output a file or a URL */
1358PHP_FUNCTION(readfile)
1359{
1360    char *filename;
1361    int filename_len;
1362    int size = 0;
1363    zend_bool use_include_path = 0;
1364    zval *zcontext = NULL;
1365    php_stream *stream;
1366    php_stream_context *context = NULL;
1367
1368    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|br!", &filename, &filename_len, &use_include_path, &zcontext) == FAILURE) {
1369        RETURN_FALSE;
1370    }
1371
1372    context = php_stream_context_from_zval(zcontext, 0);
1373
1374    stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
1375    if (stream) {
1376        size = php_stream_passthru(stream);
1377        php_stream_close(stream);
1378        RETURN_LONG(size);
1379    }
1380
1381    RETURN_FALSE;
1382}
1383/* }}} */
1384
1385/* {{{ proto int umask([int mask])
1386   Return or change the umask */
1387PHP_FUNCTION(umask)
1388{
1389    long arg1 = 0;
1390    int oldumask;
1391
1392    oldumask = umask(077);
1393
1394    if (BG(umask) == -1) {
1395        BG(umask) = oldumask;
1396    }
1397
1398    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &arg1) == FAILURE) {
1399        RETURN_FALSE;
1400    }
1401
1402    if (ZEND_NUM_ARGS() == 0) {
1403        umask(oldumask);
1404    } else {
1405        umask(arg1);
1406    }
1407
1408    RETURN_LONG(oldumask);
1409}
1410/* }}} */
1411
1412/* {{{ proto int fpassthru(resource fp)
1413   Output all remaining data from a file pointer */
1414PHPAPI PHP_FUNCTION(fpassthru)
1415{
1416    zval *arg1;
1417    int size;
1418    php_stream *stream;
1419
1420    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
1421        RETURN_FALSE;
1422    }
1423
1424    PHP_STREAM_TO_ZVAL(stream, &arg1);
1425
1426    size = php_stream_passthru(stream);
1427    RETURN_LONG(size);
1428}
1429/* }}} */
1430
1431/* {{{ proto bool rename(string old_name, string new_name[, resource context])
1432   Rename a file */
1433PHP_FUNCTION(rename)
1434{
1435    char *old_name, *new_name;
1436    int old_name_len, new_name_len;
1437    zval *zcontext = NULL;
1438    php_stream_wrapper *wrapper;
1439    php_stream_context *context;
1440
1441    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &old_name, &old_name_len, &new_name, &new_name_len, &zcontext) == FAILURE) {
1442        RETURN_FALSE;
1443    }
1444
1445    wrapper = php_stream_locate_url_wrapper(old_name, NULL, 0 TSRMLS_CC);
1446
1447    if (!wrapper || !wrapper->wops) {
1448        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
1449        RETURN_FALSE;
1450    }
1451
1452    if (!wrapper->wops->rename) {
1453        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s wrapper does not support renaming", wrapper->wops->label ? wrapper->wops->label : "Source");
1454        RETURN_FALSE;
1455    }
1456
1457    if (wrapper != php_stream_locate_url_wrapper(new_name, NULL, 0 TSRMLS_CC)) {
1458        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot rename a file across wrapper types");
1459        RETURN_FALSE;
1460    }
1461
1462    context = php_stream_context_from_zval(zcontext, 0);
1463
1464    RETURN_BOOL(wrapper->wops->rename(wrapper, old_name, new_name, 0, context TSRMLS_CC));
1465}
1466/* }}} */
1467
1468/* {{{ proto bool unlink(string filename[, context context])
1469   Delete a file */
1470PHP_FUNCTION(unlink)
1471{
1472    char *filename;
1473    int filename_len;
1474    php_stream_wrapper *wrapper;
1475    zval *zcontext = NULL;
1476    php_stream_context *context = NULL;
1477
1478    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|r", &filename, &filename_len, &zcontext) == FAILURE) {
1479        RETURN_FALSE;
1480    }
1481
1482    context = php_stream_context_from_zval(zcontext, 0);
1483
1484    wrapper = php_stream_locate_url_wrapper(filename, NULL, 0 TSRMLS_CC);
1485
1486    if (!wrapper || !wrapper->wops) {
1487        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
1488        RETURN_FALSE;
1489    }
1490
1491    if (!wrapper->wops->unlink) {
1492        php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper");
1493        RETURN_FALSE;
1494    }
1495    RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, REPORT_ERRORS, context TSRMLS_CC));
1496}
1497/* }}} */
1498
1499/* {{{ proto bool ftruncate(resource fp, int size)
1500   Truncate file to 'size' length */
1501PHP_NAMED_FUNCTION(php_if_ftruncate)
1502{
1503    zval *fp;
1504    long size;
1505    php_stream *stream;
1506
1507    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &fp, &size) == FAILURE) {
1508        RETURN_FALSE;
1509    }
1510
1511    PHP_STREAM_TO_ZVAL(stream, &fp);
1512
1513    if (!php_stream_truncate_supported(stream)) {
1514        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't truncate this stream!");
1515        RETURN_FALSE;
1516    }
1517
1518    RETURN_BOOL(0 == php_stream_truncate_set_size(stream, size));
1519}
1520/* }}} */
1521
1522/* {{{ proto array fstat(resource fp)
1523   Stat() on a filehandle */
1524PHP_NAMED_FUNCTION(php_if_fstat)
1525{
1526    zval *fp;
1527    zval *stat_dev, *stat_ino, *stat_mode, *stat_nlink, *stat_uid, *stat_gid, *stat_rdev,
1528         *stat_size, *stat_atime, *stat_mtime, *stat_ctime, *stat_blksize, *stat_blocks;
1529    php_stream *stream;
1530    php_stream_statbuf stat_ssb;
1531    char *stat_sb_names[13] = {
1532        "dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
1533        "size", "atime", "mtime", "ctime", "blksize", "blocks"
1534    };
1535
1536    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &fp) == FAILURE) {
1537        RETURN_FALSE;
1538    }
1539
1540    PHP_STREAM_TO_ZVAL(stream, &fp);
1541
1542    if (php_stream_stat(stream, &stat_ssb)) {
1543        RETURN_FALSE;
1544    }
1545
1546    array_init(return_value);
1547
1548    MAKE_LONG_ZVAL_INCREF(stat_dev, stat_ssb.sb.st_dev);
1549    MAKE_LONG_ZVAL_INCREF(stat_ino, stat_ssb.sb.st_ino);
1550    MAKE_LONG_ZVAL_INCREF(stat_mode, stat_ssb.sb.st_mode);
1551    MAKE_LONG_ZVAL_INCREF(stat_nlink, stat_ssb.sb.st_nlink);
1552    MAKE_LONG_ZVAL_INCREF(stat_uid, stat_ssb.sb.st_uid);
1553    MAKE_LONG_ZVAL_INCREF(stat_gid, stat_ssb.sb.st_gid);
1554#ifdef HAVE_ST_RDEV
1555    MAKE_LONG_ZVAL_INCREF(stat_rdev, stat_ssb.sb.st_rdev);
1556#else
1557    MAKE_LONG_ZVAL_INCREF(stat_rdev, -1);
1558#endif
1559    MAKE_LONG_ZVAL_INCREF(stat_size, stat_ssb.sb.st_size);
1560    MAKE_LONG_ZVAL_INCREF(stat_atime, stat_ssb.sb.st_atime);
1561    MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_ssb.sb.st_mtime);
1562    MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_ssb.sb.st_ctime);
1563#ifdef HAVE_ST_BLKSIZE
1564    MAKE_LONG_ZVAL_INCREF(stat_blksize, stat_ssb.sb.st_blksize);
1565#else
1566    MAKE_LONG_ZVAL_INCREF(stat_blksize,-1);
1567#endif
1568#ifdef HAVE_ST_BLOCKS
1569    MAKE_LONG_ZVAL_INCREF(stat_blocks, stat_ssb.sb.st_blocks);
1570#else
1571    MAKE_LONG_ZVAL_INCREF(stat_blocks,-1);
1572#endif
1573    /* Store numeric indexes in propper order */
1574    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_dev, sizeof(zval *), NULL);
1575    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ino, sizeof(zval *), NULL);
1576    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mode, sizeof(zval *), NULL);
1577    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_nlink, sizeof(zval *), NULL);
1578    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_uid, sizeof(zval *), NULL);
1579    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_gid, sizeof(zval *), NULL);
1580    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_rdev, sizeof(zval *), NULL);
1581    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_size, sizeof(zval *), NULL);
1582    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_atime, sizeof(zval *), NULL);
1583    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mtime, sizeof(zval *), NULL);
1584    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ctime, sizeof(zval *), NULL);
1585    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blksize, sizeof(zval *), NULL);
1586    zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blocks, sizeof(zval *), NULL);
1587
1588    /* Store string indexes referencing the same zval*/
1589    zend_hash_update(HASH_OF(return_value), stat_sb_names[0], strlen(stat_sb_names[0])+1, (void *)&stat_dev, sizeof(zval *), NULL);
1590    zend_hash_update(HASH_OF(return_value), stat_sb_names[1], strlen(stat_sb_names[1])+1, (void *)&stat_ino, sizeof(zval *), NULL);
1591    zend_hash_update(HASH_OF(return_value), stat_sb_names[2], strlen(stat_sb_names[2])+1, (void *)&stat_mode, sizeof(zval *), NULL);
1592    zend_hash_update(HASH_OF(return_value), stat_sb_names[3], strlen(stat_sb_names[3])+1, (void *)&stat_nlink, sizeof(zval *), NULL);
1593    zend_hash_update(HASH_OF(return_value), stat_sb_names[4], strlen(stat_sb_names[4])+1, (void *)&stat_uid, sizeof(zval *), NULL);
1594    zend_hash_update(HASH_OF(return_value), stat_sb_names[5], strlen(stat_sb_names[5])+1, (void *)&stat_gid, sizeof(zval *), NULL);
1595    zend_hash_update(HASH_OF(return_value), stat_sb_names[6], strlen(stat_sb_names[6])+1, (void *)&stat_rdev, sizeof(zval *), NULL);
1596    zend_hash_update(HASH_OF(return_value), stat_sb_names[7], strlen(stat_sb_names[7])+1, (void *)&stat_size, sizeof(zval *), NULL);
1597    zend_hash_update(HASH_OF(return_value), stat_sb_names[8], strlen(stat_sb_names[8])+1, (void *)&stat_atime, sizeof(zval *), NULL);
1598    zend_hash_update(HASH_OF(return_value), stat_sb_names[9], strlen(stat_sb_names[9])+1, (void *)&stat_mtime, sizeof(zval *), NULL);
1599    zend_hash_update(HASH_OF(return_value), stat_sb_names[10], strlen(stat_sb_names[10])+1, (void *)&stat_ctime, sizeof(zval *), NULL);
1600    zend_hash_update(HASH_OF(return_value), stat_sb_names[11], strlen(stat_sb_names[11])+1, (void *)&stat_blksize, sizeof(zval *), NULL);
1601    zend_hash_update(HASH_OF(return_value), stat_sb_names[12], strlen(stat_sb_names[12])+1, (void *)&stat_blocks, sizeof(zval *), NULL);
1602}
1603/* }}} */
1604
1605/* {{{ proto bool copy(string source_file, string destination_file [, resource context])
1606   Copy a file */
1607PHP_FUNCTION(copy)
1608{
1609    char *source, *target;
1610    int source_len, target_len;
1611    zval *zcontext = NULL;
1612    php_stream_context *context;
1613
1614    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|r", &source, &source_len, &target, &target_len, &zcontext) == FAILURE) {
1615        return;
1616    }
1617
1618    if (php_check_open_basedir(source TSRMLS_CC)) {
1619        RETURN_FALSE;
1620    }
1621
1622    context = php_stream_context_from_zval(zcontext, 0);
1623
1624    if (php_copy_file_ctx(source, target, 0, context TSRMLS_CC) == SUCCESS) {
1625        RETURN_TRUE;
1626    } else {
1627        RETURN_FALSE;
1628    }
1629}
1630/* }}} */
1631
1632/* {{{ php_copy_file
1633 */
1634PHPAPI int php_copy_file(const char *src, const char *dest TSRMLS_DC)
1635{
1636    return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
1637}
1638/* }}} */
1639
1640/* {{{ php_copy_file_ex
1641 */
1642PHPAPI int php_copy_file_ex(const char *src, const char *dest, int src_flg TSRMLS_DC)
1643{
1644    return php_copy_file_ctx(src, dest, 0, NULL TSRMLS_CC);
1645}
1646/* }}} */
1647
1648/* {{{ php_copy_file_ctx
1649 */
1650PHPAPI int php_copy_file_ctx(const char *src, const char *dest, int src_flg, php_stream_context *ctx TSRMLS_DC)
1651{
1652    php_stream *srcstream = NULL, *deststream = NULL;
1653    int ret = FAILURE;
1654    php_stream_statbuf src_s, dest_s;
1655
1656    switch (php_stream_stat_path_ex(src, 0, &src_s, ctx)) {
1657        case -1:
1658            /* non-statable stream */
1659            goto safe_to_copy;
1660            break;
1661        case 0:
1662            break;
1663        default: /* failed to stat file, does not exist? */
1664            return ret;
1665    }
1666    if (S_ISDIR(src_s.sb.st_mode)) {
1667        php_error_docref(NULL TSRMLS_CC, E_WARNING, "The first argument to copy() function cannot be a directory");
1668        return FAILURE;
1669    }
1670
1671    switch (php_stream_stat_path_ex(dest, PHP_STREAM_URL_STAT_QUIET, &dest_s, ctx)) {
1672        case -1:
1673            /* non-statable stream */
1674            goto safe_to_copy;
1675            break;
1676        case 0:
1677            break;
1678        default: /* failed to stat file, does not exist? */
1679            return ret;
1680    }
1681    if (S_ISDIR(dest_s.sb.st_mode)) {
1682        php_error_docref(NULL TSRMLS_CC, E_WARNING, "The second argument to copy() function cannot be a directory");
1683        return FAILURE;
1684    }
1685    if (!src_s.sb.st_ino || !dest_s.sb.st_ino) {
1686        goto no_stat;
1687    }
1688    if (src_s.sb.st_ino == dest_s.sb.st_ino && src_s.sb.st_dev == dest_s.sb.st_dev) {
1689        return ret;
1690    } else {
1691        goto safe_to_copy;
1692    }
1693no_stat:
1694    {
1695        char *sp, *dp;
1696        int res;
1697
1698        if ((sp = expand_filepath(src, NULL TSRMLS_CC)) == NULL) {
1699            return ret;
1700        }
1701        if ((dp = expand_filepath(dest, NULL TSRMLS_CC)) == NULL) {
1702            efree(sp);
1703            goto safe_to_copy;
1704        }
1705
1706        res =
1707#ifndef PHP_WIN32
1708            !strcmp(sp, dp);
1709#else
1710            !strcasecmp(sp, dp);
1711#endif
1712
1713        efree(sp);
1714        efree(dp);
1715        if (res) {
1716            return ret;
1717        }
1718    }
1719safe_to_copy:
1720
1721    srcstream = php_stream_open_wrapper_ex(src, "rb", src_flg | REPORT_ERRORS, NULL, ctx);
1722
1723    if (!srcstream) {
1724        return ret;
1725    }
1726
1727    deststream = php_stream_open_wrapper_ex(dest, "wb", REPORT_ERRORS, NULL, ctx);
1728
1729    if (srcstream && deststream) {
1730        ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL);
1731    }
1732    if (srcstream) {
1733        php_stream_close(srcstream);
1734    }
1735    if (deststream) {
1736        php_stream_close(deststream);
1737    }
1738    return ret;
1739}
1740/* }}} */
1741
1742/* {{{ proto string fread(resource fp, int length)
1743   Binary-safe file read */
1744PHPAPI PHP_FUNCTION(fread)
1745{
1746    zval *arg1;
1747    long len;
1748    php_stream *stream;
1749
1750    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &arg1, &len) == FAILURE) {
1751        RETURN_FALSE;
1752    }
1753
1754    PHP_STREAM_TO_ZVAL(stream, &arg1);
1755
1756    if (len <= 0) {
1757        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
1758        RETURN_FALSE;
1759    }
1760
1761    Z_STRVAL_P(return_value) = emalloc(len + 1);
1762    Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len);
1763
1764    /* needed because recv/read/gzread doesnt put a null at the end*/
1765    Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0;
1766    Z_TYPE_P(return_value) = IS_STRING;
1767}
1768/* }}} */
1769
1770static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len, const char delimiter TSRMLS_DC) /* {{{ */
1771{
1772    int inc_len;
1773    unsigned char last_chars[2] = { 0, 0 };
1774
1775    while (len > 0) {
1776        inc_len = (*ptr == '\0' ? 1: php_mblen(ptr, len));
1777        switch (inc_len) {
1778            case -2:
1779            case -1:
1780                inc_len = 1;
1781                php_ignore_value(php_mblen(NULL, 0));
1782                break;
1783            case 0:
1784                goto quit_loop;
1785            case 1:
1786            default:
1787                last_chars[0] = last_chars[1];
1788                last_chars[1] = *ptr;
1789                break;
1790        }
1791        ptr += inc_len;
1792        len -= inc_len;
1793    }
1794quit_loop:
1795    switch (last_chars[1]) {
1796        case '\n':
1797            if (last_chars[0] == '\r') {
1798                return ptr - 2;
1799            }
1800            /* break is omitted intentionally */
1801        case '\r':
1802            return ptr - 1;
1803    }
1804    return ptr;
1805}
1806/* }}} */
1807
1808#define FPUTCSV_FLD_CHK(c) memchr(Z_STRVAL(field), c, Z_STRLEN(field))
1809
1810/* {{{ proto int fputcsv(resource fp, array fields [, string delimiter [, string enclosure [, string escape_char]]])
1811   Format line as CSV and write to file pointer */
1812PHP_FUNCTION(fputcsv)
1813{
1814    char delimiter = ',';    /* allow this to be set as parameter */
1815    char enclosure = '"';    /* allow this to be set as parameter */
1816    char escape_char = '\\'; /* allow this to be set as parameter */
1817    php_stream *stream;
1818    zval *fp = NULL, *fields = NULL;
1819    int ret;
1820    char *delimiter_str = NULL, *enclosure_str = NULL, *escape_str = NULL;
1821    int delimiter_str_len = 0, enclosure_str_len = 0, escape_str_len = 0;
1822
1823    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra|sss",
1824            &fp, &fields, &delimiter_str, &delimiter_str_len,
1825            &enclosure_str, &enclosure_str_len,
1826            &escape_str, &escape_str_len) == FAILURE) {
1827        return;
1828    }
1829
1830    if (delimiter_str != NULL) {
1831        /* Make sure that there is at least one character in string */
1832        if (delimiter_str_len < 1) {
1833            php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
1834            RETURN_FALSE;
1835        } else if (delimiter_str_len > 1) {
1836            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
1837        }
1838
1839        /* use first character from string */
1840        delimiter = *delimiter_str;
1841    }
1842
1843    if (enclosure_str != NULL) {
1844        if (enclosure_str_len < 1) {
1845            php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
1846            RETURN_FALSE;
1847        } else if (enclosure_str_len > 1) {
1848            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
1849        }
1850        /* use first character from string */
1851        enclosure = *enclosure_str;
1852    }
1853
1854    if (escape_str != NULL) {
1855        if (escape_str_len < 1) {
1856            php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be a character");
1857            RETURN_FALSE;
1858        } else if (escape_str_len > 1) {
1859            php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
1860        }
1861        /* use first character from string */
1862        escape_char = *escape_str;
1863    }
1864
1865    PHP_STREAM_TO_ZVAL(stream, &fp);
1866
1867    ret = php_fputcsv(stream, fields, delimiter, enclosure, escape_char TSRMLS_CC);
1868    RETURN_LONG(ret);
1869}
1870/* }}} */
1871
1872/* {{{ PHPAPI int php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC) */
1873PHPAPI int php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char TSRMLS_DC)
1874{
1875    int count, i = 0, ret;
1876    zval **field_tmp = NULL, field;
1877    smart_str csvline = {0};
1878    HashPosition pos;
1879
1880    count = zend_hash_num_elements(Z_ARRVAL_P(fields));
1881    zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(fields), &pos);
1882    while (zend_hash_get_current_data_ex(Z_ARRVAL_P(fields), (void **) &field_tmp, &pos) == SUCCESS) {
1883        field = **field_tmp;
1884
1885        if (Z_TYPE_PP(field_tmp) != IS_STRING) {
1886            zval_copy_ctor(&field);
1887            convert_to_string(&field);
1888        }
1889
1890        /* enclose a field that contains a delimiter, an enclosure character, or a newline */
1891        if (FPUTCSV_FLD_CHK(delimiter) ||
1892            FPUTCSV_FLD_CHK(enclosure) ||
1893            FPUTCSV_FLD_CHK(escape_char) ||
1894            FPUTCSV_FLD_CHK('\n') ||
1895            FPUTCSV_FLD_CHK('\r') ||
1896            FPUTCSV_FLD_CHK('\t') ||
1897            FPUTCSV_FLD_CHK(' ')
1898        ) {
1899            char *ch = Z_STRVAL(field);
1900            char *end = ch + Z_STRLEN(field);
1901            int escaped = 0;
1902
1903            smart_str_appendc(&csvline, enclosure);
1904            while (ch < end) {
1905                if (*ch == escape_char) {
1906                    escaped = 1;
1907                } else if (!escaped && *ch == enclosure) {
1908                    smart_str_appendc(&csvline, enclosure);
1909                } else {
1910                    escaped = 0;
1911                }
1912                smart_str_appendc(&csvline, *ch);
1913                ch++;
1914            }
1915            smart_str_appendc(&csvline, enclosure);
1916        } else {
1917            smart_str_appendl(&csvline, Z_STRVAL(field), Z_STRLEN(field));
1918        }
1919
1920        if (++i != count) {
1921            smart_str_appendl(&csvline, &delimiter, 1);
1922        }
1923        zend_hash_move_forward_ex(Z_ARRVAL_P(fields), &pos);
1924
1925        if (Z_TYPE_PP(field_tmp) != IS_STRING) {
1926            zval_dtor(&field);
1927        }
1928    }
1929
1930    smart_str_appendc(&csvline, '\n');
1931    smart_str_0(&csvline);
1932
1933    ret = php_stream_write(stream, csvline.c, csvline.len);
1934
1935    smart_str_free(&csvline);
1936
1937    return ret;
1938}
1939/* }}} */
1940
1941/* {{{ proto array fgetcsv(resource fp [,int length [, string delimiter [, string enclosure [, string escape]]]])
1942   Get line from file pointer and parse for CSV fields */
1943PHP_FUNCTION(fgetcsv)
1944{
1945    char delimiter = ',';   /* allow this to be set as parameter */
1946    char enclosure = '"';   /* allow this to be set as parameter */
1947    char escape = '\\';
1948
1949    /* first section exactly as php_fgetss */
1950
1951    long len = 0;
1952    size_t buf_len;
1953    char *buf;
1954    php_stream *stream;
1955
1956    {
1957        zval *fd, **len_zv = NULL;
1958        char *delimiter_str = NULL;
1959        int delimiter_str_len = 0;
1960        char *enclosure_str = NULL;
1961        int enclosure_str_len = 0;
1962        char *escape_str = NULL;
1963        int escape_str_len = 0;
1964
1965        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|Zsss",
1966            &fd, &len_zv, &delimiter_str, &delimiter_str_len,
1967            &enclosure_str, &enclosure_str_len,
1968            &escape_str, &escape_str_len) == FAILURE
1969        ) {
1970            return;
1971        }
1972
1973        if (delimiter_str != NULL) {
1974            /* Make sure that there is at least one character in string */
1975            if (delimiter_str_len < 1) {
1976                php_error_docref(NULL TSRMLS_CC, E_WARNING, "delimiter must be a character");
1977                RETURN_FALSE;
1978            } else if (delimiter_str_len > 1) {
1979                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "delimiter must be a single character");
1980            }
1981
1982            /* use first character from string */
1983            delimiter = delimiter_str[0];
1984        }
1985
1986        if (enclosure_str != NULL) {
1987            if (enclosure_str_len < 1) {
1988                php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
1989                RETURN_FALSE;
1990            } else if (enclosure_str_len > 1) {
1991                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
1992            }
1993
1994            /* use first character from string */
1995            enclosure = enclosure_str[0];
1996        }
1997
1998        if (escape_str != NULL) {
1999            if (escape_str_len < 1) {
2000                php_error_docref(NULL TSRMLS_CC, E_WARNING, "escape must be character");
2001                RETURN_FALSE;
2002            } else if (escape_str_len > 1) {
2003                php_error_docref(NULL TSRMLS_CC, E_NOTICE, "escape must be a single character");
2004            }
2005
2006            escape = escape_str[0];
2007        }
2008
2009        if (len_zv != NULL && Z_TYPE_PP(len_zv) != IS_NULL) {
2010            convert_to_long_ex(len_zv);
2011            len = Z_LVAL_PP(len_zv);
2012            if (len < 0) {
2013                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter may not be negative");
2014                RETURN_FALSE;
2015            } else if (len == 0) {
2016                len = -1;
2017            }
2018        } else {
2019            len = -1;
2020        }
2021
2022        PHP_STREAM_TO_ZVAL(stream, &fd);
2023    }
2024
2025    if (len < 0) {
2026        if ((buf = php_stream_get_line(stream, NULL, 0, &buf_len)) == NULL) {
2027            RETURN_FALSE;
2028        }
2029    } else {
2030        buf = emalloc(len + 1);
2031        if (php_stream_get_line(stream, buf, len + 1, &buf_len) == NULL) {
2032            efree(buf);
2033            RETURN_FALSE;
2034        }
2035    }
2036
2037    php_fgetcsv(stream, delimiter, enclosure, escape, buf_len, buf, return_value TSRMLS_CC);
2038}
2039/* }}} */
2040
2041PHPAPI void php_fgetcsv(php_stream *stream, char delimiter, char enclosure, char escape_char, size_t buf_len, char *buf, zval *return_value TSRMLS_DC) /* {{{ */
2042{
2043    char *temp, *tptr, *bptr, *line_end, *limit;
2044    size_t temp_len, line_end_len;
2045    int inc_len;
2046    zend_bool first_field = 1;
2047
2048    /* initialize internal state */
2049    php_ignore_value(php_mblen(NULL, 0));
2050
2051    /* Now into new section that parses buf for delimiter/enclosure fields */
2052
2053    /* Strip trailing space from buf, saving end of line in case required for enclosure field */
2054
2055    bptr = buf;
2056    tptr = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
2057    line_end_len = buf_len - (size_t)(tptr - buf);
2058    line_end = limit = tptr;
2059
2060    /* reserve workspace for building each individual field */
2061    temp_len = buf_len;
2062    temp = emalloc(temp_len + line_end_len + 1);
2063
2064    /* Initialize return array */
2065    array_init(return_value);
2066
2067    /* Main loop to read CSV fields */
2068    /* NB this routine will return a single null entry for a blank line */
2069
2070    do {
2071        char *comp_end, *hunk_begin;
2072
2073        tptr = temp;
2074
2075        inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2076        if (inc_len == 1) {
2077            char *tmp = bptr;
2078            while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) {
2079                tmp++;
2080            }
2081            if (*tmp == enclosure) {
2082                bptr = tmp;
2083            }
2084        }
2085
2086        if (first_field && bptr == line_end) {
2087            add_next_index_null(return_value);
2088            break;
2089        }
2090        first_field = 0;
2091        /* 2. Read field, leaving bptr pointing at start of next field */
2092        if (inc_len != 0 && *bptr == enclosure) {
2093            int state = 0;
2094
2095            bptr++; /* move on to first character in field */
2096            hunk_begin = bptr;
2097
2098            /* 2A. handle enclosure delimited field */
2099            for (;;) {
2100                switch (inc_len) {
2101                    case 0:
2102                        switch (state) {
2103                            case 2:
2104                                memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2105                                tptr += (bptr - hunk_begin - 1);
2106                                hunk_begin = bptr;
2107                                goto quit_loop_2;
2108
2109                            case 1:
2110                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2111                                tptr += (bptr - hunk_begin);
2112                                hunk_begin = bptr;
2113                                /* break is omitted intentionally */
2114
2115                            case 0: {
2116                                char *new_buf;
2117                                size_t new_len;
2118                                char *new_temp;
2119
2120                                if (hunk_begin != line_end) {
2121                                    memcpy(tptr, hunk_begin, bptr - hunk_begin);
2122                                    tptr += (bptr - hunk_begin);
2123                                    hunk_begin = bptr;
2124                                }
2125
2126                                /* add the embedded line end to the field */
2127                                memcpy(tptr, line_end, line_end_len);
2128                                tptr += line_end_len;
2129
2130                                if (stream == NULL) {
2131                                    goto quit_loop_2;
2132                                } else if ((new_buf = php_stream_get_line(stream, NULL, 0, &new_len)) == NULL) {
2133                                    /* we've got an unterminated enclosure,
2134                                     * assign all the data from the start of
2135                                     * the enclosure to end of data to the
2136                                     * last element */
2137                                    if ((size_t)temp_len > (size_t)(limit - buf)) {
2138                                        goto quit_loop_2;
2139                                    }
2140                                    zval_dtor(return_value);
2141                                    RETVAL_FALSE;
2142                                    goto out;
2143                                }
2144                                temp_len += new_len;
2145                                new_temp = erealloc(temp, temp_len);
2146                                tptr = new_temp + (size_t)(tptr - temp);
2147                                temp = new_temp;
2148
2149                                efree(buf);
2150                                buf_len = new_len;
2151                                bptr = buf = new_buf;
2152                                hunk_begin = buf;
2153
2154                                line_end = limit = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter TSRMLS_CC);
2155                                line_end_len = buf_len - (size_t)(limit - buf);
2156
2157                                state = 0;
2158                            } break;
2159                        }
2160                        break;
2161
2162                    case -2:
2163                    case -1:
2164                        php_ignore_value(php_mblen(NULL, 0));
2165                        /* break is omitted intentionally */
2166                    case 1:
2167                        /* we need to determine if the enclosure is
2168                         * 'real' or is it escaped */
2169                        switch (state) {
2170                            case 1: /* escaped */
2171                                bptr++;
2172                                state = 0;
2173                                break;
2174                            case 2: /* embedded enclosure ? let's check it */
2175                                if (*bptr != enclosure) {
2176                                    /* real enclosure */
2177                                    memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2178                                    tptr += (bptr - hunk_begin - 1);
2179                                    hunk_begin = bptr;
2180                                    goto quit_loop_2;
2181                                }
2182                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2183                                tptr += (bptr - hunk_begin);
2184                                bptr++;
2185                                hunk_begin = bptr;
2186                                state = 0;
2187                                break;
2188                            default:
2189                                if (*bptr == enclosure) {
2190                                    state = 2;
2191                                } else if (*bptr == escape_char) {
2192                                    state = 1;
2193                                }
2194                                bptr++;
2195                                break;
2196                        }
2197                        break;
2198
2199                    default:
2200                        switch (state) {
2201                            case 2:
2202                                /* real enclosure */
2203                                memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
2204                                tptr += (bptr - hunk_begin - 1);
2205                                hunk_begin = bptr;
2206                                goto quit_loop_2;
2207                            case 1:
2208                                bptr += inc_len;
2209                                memcpy(tptr, hunk_begin, bptr - hunk_begin);
2210                                tptr += (bptr - hunk_begin);
2211                                hunk_begin = bptr;
2212                                break;
2213                            default:
2214                                bptr += inc_len;
2215                                break;
2216                        }
2217                        break;
2218                }
2219                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2220            }
2221
2222        quit_loop_2:
2223            /* look up for a delimiter */
2224            for (;;) {
2225                switch (inc_len) {
2226                    case 0:
2227                        goto quit_loop_3;
2228
2229                    case -2:
2230                    case -1:
2231                        inc_len = 1;
2232                        php_ignore_value(php_mblen(NULL, 0));
2233                        /* break is omitted intentionally */
2234                    case 1:
2235                        if (*bptr == delimiter) {
2236                            goto quit_loop_3;
2237                        }
2238                        break;
2239                    default:
2240                        break;
2241                }
2242                bptr += inc_len;
2243                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2244            }
2245
2246        quit_loop_3:
2247            memcpy(tptr, hunk_begin, bptr - hunk_begin);
2248            tptr += (bptr - hunk_begin);
2249            bptr += inc_len;
2250            comp_end = tptr;
2251        } else {
2252            /* 2B. Handle non-enclosure field */
2253
2254            hunk_begin = bptr;
2255
2256            for (;;) {
2257                switch (inc_len) {
2258                    case 0:
2259                        goto quit_loop_4;
2260                    case -2:
2261                    case -1:
2262                        inc_len = 1;
2263                        php_ignore_value(php_mblen(NULL, 0));
2264                        /* break is omitted intentionally */
2265                    case 1:
2266                        if (*bptr == delimiter) {
2267                            goto quit_loop_4;
2268                        }
2269                        break;
2270                    default:
2271                        break;
2272                }
2273                bptr += inc_len;
2274                inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
2275            }
2276        quit_loop_4:
2277            memcpy(tptr, hunk_begin, bptr - hunk_begin);
2278            tptr += (bptr - hunk_begin);
2279
2280            comp_end = (char *)php_fgetcsv_lookup_trailing_spaces(temp, tptr - temp, delimiter TSRMLS_CC);
2281            if (*bptr == delimiter) {
2282                bptr++;
2283            }
2284        }
2285
2286        /* 3. Now pass our field back to php */
2287        *comp_end = '\0';
2288        add_next_index_stringl(return_value, temp, comp_end - temp, 1);
2289    } while (inc_len > 0);
2290
2291out:
2292    efree(temp);
2293    if (stream) {
2294        efree(buf);
2295    }
2296}
2297/* }}} */
2298
2299#if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS)
2300/* {{{ proto string realpath(string path)
2301   Return the resolved path */
2302PHP_FUNCTION(realpath)
2303{
2304    char *filename;
2305    int filename_len;
2306    char resolved_path_buff[MAXPATHLEN];
2307
2308    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) {
2309        return;
2310    }
2311
2312    if (VCWD_REALPATH(filename, resolved_path_buff)) {
2313        if (php_check_open_basedir(resolved_path_buff TSRMLS_CC)) {
2314            RETURN_FALSE;
2315        }
2316
2317#ifdef ZTS
2318        if (VCWD_ACCESS(resolved_path_buff, F_OK)) {
2319            RETURN_FALSE;
2320        }
2321#endif
2322        RETURN_STRING(resolved_path_buff, 1);
2323    } else {
2324        RETURN_FALSE;
2325    }
2326}
2327/* }}} */
2328#endif
2329
2330/* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */
2331#define PHP_META_HTML401_CHARS "-_.:"
2332
2333/* {{{ php_next_meta_token
2334   Tokenizes an HTML file for get_meta_tags */
2335php_meta_tags_token php_next_meta_token(php_meta_tags_data *md TSRMLS_DC)
2336{
2337    int ch = 0, compliment;
2338    char buff[META_DEF_BUFSIZE + 1];
2339
2340    memset((void *)buff, 0, META_DEF_BUFSIZE + 1);
2341
2342    while (md->ulc || (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)))) {
2343        if (php_stream_eof(md->stream)) {
2344            break;
2345        }
2346
2347        if (md->ulc) {
2348            ch = md->lc;
2349            md->ulc = 0;
2350        }
2351
2352        switch (ch) {
2353            case '<':
2354                return TOK_OPENTAG;
2355                break;
2356
2357            case '>':
2358                return TOK_CLOSETAG;
2359                break;
2360
2361            case '=':
2362                return TOK_EQUAL;
2363                break;
2364            case '/':
2365                return TOK_SLASH;
2366                break;
2367
2368            case '\'':
2369            case '"':
2370                compliment = ch;
2371                md->token_len = 0;
2372                while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && ch != compliment && ch != '<' && ch != '>') {
2373                    buff[(md->token_len)++] = ch;
2374
2375                    if (md->token_len == META_DEF_BUFSIZE) {
2376                        break;
2377                    }
2378                }
2379
2380                if (ch == '<' || ch == '>') {
2381                    /* Was just an apostrohpe */
2382                    md->ulc = 1;
2383                    md->lc = ch;
2384                }
2385
2386                /* We don't need to alloc unless we are in a meta tag */
2387                if (md->in_meta) {
2388                    md->token_data = (char *) emalloc(md->token_len + 1);
2389                    memcpy(md->token_data, buff, md->token_len+1);
2390                }
2391
2392                return TOK_STRING;
2393                break;
2394
2395            case '\n':
2396            case '\r':
2397            case '\t':
2398                break;
2399
2400            case ' ':
2401                return TOK_SPACE;
2402                break;
2403
2404            default:
2405                if (isalnum(ch)) {
2406                    md->token_len = 0;
2407                    buff[(md->token_len)++] = ch;
2408                    while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) {
2409                        buff[(md->token_len)++] = ch;
2410
2411                        if (md->token_len == META_DEF_BUFSIZE) {
2412                            break;
2413                        }
2414                    }
2415
2416                    /* This is ugly, but we have to replace ungetc */
2417                    if (!isalpha(ch) && ch != '-') {
2418                        md->ulc = 1;
2419                        md->lc = ch;
2420                    }
2421
2422                    md->token_data = (char *) emalloc(md->token_len + 1);
2423                    memcpy(md->token_data, buff, md->token_len+1);
2424
2425                    return TOK_ID;
2426                } else {
2427                    return TOK_OTHER;
2428                }
2429                break;
2430        }
2431    }
2432
2433    return TOK_EOF;
2434}
2435/* }}} */
2436
2437#ifdef HAVE_FNMATCH
2438/* {{{ proto bool fnmatch(string pattern, string filename [, int flags])
2439   Match filename against pattern */
2440PHP_FUNCTION(fnmatch)
2441{
2442    char *pattern, *filename;
2443    int pattern_len, filename_len;
2444    long flags = 0;
2445
2446    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "pp|l", &pattern, &pattern_len, &filename, &filename_len, &flags) == FAILURE) {
2447        return;
2448    }
2449
2450    if (filename_len >= MAXPATHLEN) {
2451        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2452        RETURN_FALSE;
2453    }
2454    if (pattern_len >= MAXPATHLEN) {
2455        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
2456        RETURN_FALSE;
2457    }
2458
2459    RETURN_BOOL( ! fnmatch( pattern, filename, flags ));
2460}
2461/* }}} */
2462#endif
2463
2464/* {{{ proto string sys_get_temp_dir()
2465   Returns directory path used for temporary files */
2466PHP_FUNCTION(sys_get_temp_dir)
2467{
2468    if (zend_parse_parameters_none() == FAILURE) {
2469        return;
2470    }
2471    RETURN_STRING((char *)php_get_temporary_directory(TSRMLS_C), 1);
2472}
2473/* }}} */
2474
2475/*
2476 * Local variables:
2477 * tab-width: 4
2478 * c-basic-offset: 4
2479 * End:
2480 * vim600: noet sw=4 ts=4 fdm=marker
2481 * vim<600: noet sw=4 ts=4
2482 */
2483