mirror of
https://github.com/php/php-src.git
synced 2025-08-15 21:48:51 +02:00
Move streams files around a bit, to ease maintenance.
I will update the win32 .dsp in a moment.
This commit is contained in:
parent
fe9a33a002
commit
2cc68ad7ad
8 changed files with 1512 additions and 1379 deletions
|
@ -1098,8 +1098,12 @@ PHP_ADD_SOURCES(main, main.c snprintf.c spprintf.c php_sprintf.c \
|
|||
safe_mode.c fopen_wrappers.c alloca.c php_scandir.c \
|
||||
php_ini.c SAPI.c rfc1867.c php_content_types.c strlcpy.c \
|
||||
strlcat.c mergesort.c reentrancy.c php_variables.c php_ticks.c \
|
||||
streams.c network.c php_open_temporary_file.c php_logos.c \
|
||||
output.c memory_streams.c user_streams.c)
|
||||
network.c php_open_temporary_file.c php_logos.c \
|
||||
output.c )
|
||||
|
||||
PHP_ADD_SOURCES(main/streams, streams.c cast.c memory.c filter.c \
|
||||
plain_wrapper.c userspace.c)
|
||||
|
||||
PHP_ADD_SOURCES(/main, internal_functions.c,, sapi)
|
||||
PHP_ADD_SOURCES(/main, internal_functions_cli.c,, cli)
|
||||
|
||||
|
|
372
main/streams/cast.c
Normal file
372
main/streams/cast.c
Normal file
|
@ -0,0 +1,372 @@
|
|||
/*
|
||||
+----------------------------------------------------------------------+
|
||||
| PHP Version 4 |
|
||||
+----------------------------------------------------------------------+
|
||||
| Copyright (c) 1997-2003 The PHP Group |
|
||||
+----------------------------------------------------------------------+
|
||||
| This source file is subject to version 2.02 of the PHP license, |
|
||||
| that is bundled with this package in the file LICENSE, and is |
|
||||
| available at through the world-wide-web at |
|
||||
| http://www.php.net/license/2_02.txt. |
|
||||
| If you did not receive a copy of the PHP license and are unable to |
|
||||
| obtain it through the world-wide-web, please send a note to |
|
||||
| license@php.net so we can mail you a copy immediately. |
|
||||
+----------------------------------------------------------------------+
|
||||
| Authors: |
|
||||
| Wez Furlong (wez@thebrainroom.com) |
|
||||
+----------------------------------------------------------------------+
|
||||
*/
|
||||
|
||||
/* $Id$ */
|
||||
|
||||
#define _GNU_SOURCE
|
||||
#include "php.h"
|
||||
#include "php_globals.h"
|
||||
#include "php_network.h"
|
||||
#include "php_open_temporary_file.h"
|
||||
#include "ext/standard/file.h"
|
||||
#include <stddef.h>
|
||||
#include <fcntl.h>
|
||||
|
||||
#include "php_streams_int.h"
|
||||
|
||||
/* Under BSD, emulate fopencookie using funopen */
|
||||
#if HAVE_FUNOPEN
|
||||
typedef struct {
|
||||
int (*reader)(void *, char *, int);
|
||||
int (*writer)(void *, const char *, int);
|
||||
fpos_t (*seeker)(void *, fpos_t, int);
|
||||
int (*closer)(void *);
|
||||
} COOKIE_IO_FUNCTIONS_T;
|
||||
|
||||
FILE *fopencookie(void *cookie, const char *mode, COOKIE_IO_FUNCTIONS_T *funcs)
|
||||
{
|
||||
return funopen(cookie, funcs->reader, funcs->writer, funcs->seeker, funcs->closer);
|
||||
}
|
||||
# define HAVE_FOPENCOOKIE 1
|
||||
# define PHP_STREAM_COOKIE_FUNCTIONS &stream_cookie_functions
|
||||
#elif HAVE_FOPENCOOKIE
|
||||
# define PHP_STREAM_COOKIE_FUNCTIONS stream_cookie_functions
|
||||
#endif
|
||||
|
||||
/* {{{ STDIO with fopencookie */
|
||||
#if HAVE_FUNOPEN
|
||||
/* use our fopencookie emulation */
|
||||
static int stream_cookie_reader(void *cookie, char *buffer, int size)
|
||||
{
|
||||
int ret;
|
||||
TSRMLS_FETCH();
|
||||
ret = php_stream_read((php_stream*)cookie, buffer, size);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int stream_cookie_writer(void *cookie, const char *buffer, int size)
|
||||
{
|
||||
TSRMLS_FETCH();
|
||||
return php_stream_write((php_stream *)cookie, (char *)buffer, size);
|
||||
}
|
||||
|
||||
static fpos_t stream_cookie_seeker(void *cookie, off_t position, int whence)
|
||||
{
|
||||
TSRMLS_FETCH();
|
||||
return (fpos_t)php_stream_seek((php_stream *)cookie, position, whence);
|
||||
}
|
||||
|
||||
static int stream_cookie_closer(void *cookie)
|
||||
{
|
||||
php_stream *stream = (php_stream*)cookie;
|
||||
TSRMLS_FETCH();
|
||||
|
||||
/* prevent recursion */
|
||||
stream->fclose_stdiocast = PHP_STREAM_FCLOSE_NONE;
|
||||
return php_stream_close(stream);
|
||||
}
|
||||
|
||||
#elif HAVE_FOPENCOOKIE
|
||||
static ssize_t stream_cookie_reader(void *cookie, char *buffer, size_t size)
|
||||
{
|
||||
ssize_t ret;
|
||||
TSRMLS_FETCH();
|
||||
ret = php_stream_read(((php_stream *)cookie), buffer, size);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static ssize_t stream_cookie_writer(void *cookie, const char *buffer, size_t size)
|
||||
{
|
||||
TSRMLS_FETCH();
|
||||
return php_stream_write(((php_stream *)cookie), (char *)buffer, size);
|
||||
}
|
||||
|
||||
#ifdef COOKIE_SEEKER_USES_OFF64_T
|
||||
static int stream_cookie_seeker(void *cookie, __off64_t *position, int whence)
|
||||
{
|
||||
TSRMLS_FETCH();
|
||||
|
||||
*position = php_stream_seek((php_stream *)cookie, (off_t)*position, whence);
|
||||
|
||||
if (*position == -1)
|
||||
return -1;
|
||||
return 0;
|
||||
}
|
||||
#else
|
||||
static int stream_cookie_seeker(void *cookie, off_t position, int whence)
|
||||
{
|
||||
TSRMLS_FETCH();
|
||||
return php_stream_seek((php_stream *)cookie, position, whence);
|
||||
}
|
||||
#endif
|
||||
|
||||
static int stream_cookie_closer(void *cookie)
|
||||
{
|
||||
php_stream *stream = (php_stream*)cookie;
|
||||
TSRMLS_FETCH();
|
||||
|
||||
/* prevent recursion */
|
||||
stream->fclose_stdiocast = PHP_STREAM_FCLOSE_NONE;
|
||||
return php_stream_close(stream);
|
||||
}
|
||||
#endif /* elif HAVE_FOPENCOOKIE */
|
||||
|
||||
#if HAVE_FOPENCOOKIE
|
||||
static COOKIE_IO_FUNCTIONS_T stream_cookie_functions =
|
||||
{
|
||||
stream_cookie_reader, stream_cookie_writer,
|
||||
stream_cookie_seeker, stream_cookie_closer
|
||||
};
|
||||
#else
|
||||
/* TODO: use socketpair() to emulate fopencookie, as suggested by Hartmut ? */
|
||||
#endif
|
||||
/* }}} */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
/* {{{ php_stream_cast */
|
||||
PHPAPI int _php_stream_cast(php_stream *stream, int castas, void **ret, int show_err TSRMLS_DC)
|
||||
{
|
||||
int flags = castas & PHP_STREAM_CAST_MASK;
|
||||
castas &= ~PHP_STREAM_CAST_MASK;
|
||||
|
||||
/* synchronize our buffer (if possible) */
|
||||
if (ret) {
|
||||
php_stream_flush(stream);
|
||||
if (stream->ops->seek && (stream->flags & PHP_STREAM_FLAG_NO_SEEK) == 0) {
|
||||
off_t dummy;
|
||||
|
||||
stream->ops->seek(stream, stream->position, SEEK_SET, &dummy TSRMLS_CC);
|
||||
stream->readpos = stream->writepos = 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* filtered streams can only be cast as stdio, and only when fopencookie is present */
|
||||
|
||||
if (castas == PHP_STREAM_AS_STDIO) {
|
||||
if (stream->stdiocast) {
|
||||
if (ret) {
|
||||
*ret = stream->stdiocast;
|
||||
}
|
||||
goto exit_success;
|
||||
}
|
||||
|
||||
/* if the stream is a stdio stream let's give it a chance to respond
|
||||
* first, to avoid doubling up the layers of stdio with an fopencookie */
|
||||
if (php_stream_is(stream, PHP_STREAM_IS_STDIO) &&
|
||||
stream->ops->cast &&
|
||||
stream->filterhead == NULL &&
|
||||
stream->ops->cast(stream, castas, ret TSRMLS_CC) == SUCCESS)
|
||||
{
|
||||
goto exit_success;
|
||||
}
|
||||
|
||||
#if HAVE_FOPENCOOKIE
|
||||
/* if just checking, say yes we can be a FILE*, but don't actually create it yet */
|
||||
if (ret == NULL)
|
||||
goto exit_success;
|
||||
|
||||
*ret = fopencookie(stream, stream->mode, PHP_STREAM_COOKIE_FUNCTIONS);
|
||||
|
||||
if (*ret != NULL) {
|
||||
off_t pos;
|
||||
|
||||
stream->fclose_stdiocast = PHP_STREAM_FCLOSE_FOPENCOOKIE;
|
||||
|
||||
/* If the stream position is not at the start, we need to force
|
||||
* the stdio layer to believe it's real location. */
|
||||
pos = php_stream_tell(stream);
|
||||
if (pos > 0)
|
||||
fseek(*ret, pos, SEEK_SET);
|
||||
|
||||
goto exit_success;
|
||||
}
|
||||
|
||||
/* must be either:
|
||||
a) programmer error
|
||||
b) no memory
|
||||
-> lets bail
|
||||
*/
|
||||
php_error_docref(NULL TSRMLS_CC, E_ERROR, "fopencookie failed");
|
||||
return FAILURE;
|
||||
#endif
|
||||
|
||||
if (flags & PHP_STREAM_CAST_TRY_HARD) {
|
||||
php_stream *newstream;
|
||||
|
||||
newstream = php_stream_fopen_tmpfile();
|
||||
if (newstream) {
|
||||
size_t copied = php_stream_copy_to_stream(stream, newstream, PHP_STREAM_COPY_ALL);
|
||||
|
||||
if (copied == 0) {
|
||||
php_stream_close(newstream);
|
||||
} else {
|
||||
int retcode = php_stream_cast(newstream, castas | flags, ret, show_err);
|
||||
|
||||
if (retcode == SUCCESS)
|
||||
rewind((FILE*)*ret);
|
||||
|
||||
/* do some specialized cleanup */
|
||||
if ((flags & PHP_STREAM_CAST_RELEASE)) {
|
||||
php_stream_free(stream, PHP_STREAM_FREE_CLOSE_CASTED);
|
||||
}
|
||||
|
||||
return retcode;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (stream->filterhead) {
|
||||
php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot cast a filtered stream on this system");
|
||||
return FAILURE;
|
||||
} else if (stream->ops->cast && stream->ops->cast(stream, castas, ret TSRMLS_CC) == SUCCESS) {
|
||||
goto exit_success;
|
||||
}
|
||||
|
||||
if (show_err) {
|
||||
/* these names depend on the values of the PHP_STREAM_AS_XXX defines in php_streams.h */
|
||||
static const char *cast_names[3] = {
|
||||
"STDIO FILE*", "File Descriptor", "Socket Descriptor"
|
||||
};
|
||||
|
||||
php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot represent a stream of type %s as a %s",
|
||||
stream->ops->label,
|
||||
cast_names[castas]
|
||||
);
|
||||
}
|
||||
|
||||
return FAILURE;
|
||||
|
||||
exit_success:
|
||||
|
||||
if ((stream->writepos - stream->readpos) > 0 &&
|
||||
stream->fclose_stdiocast != PHP_STREAM_FCLOSE_FOPENCOOKIE &&
|
||||
(flags & PHP_STREAM_CAST_INTERNAL) == 0) {
|
||||
/* the data we have buffered will be lost to the third party library that
|
||||
* will be accessing the stream. Emit a warning so that the end-user will
|
||||
* know that they should try something else */
|
||||
|
||||
php_error_docref(NULL TSRMLS_CC, E_WARNING,
|
||||
"%d bytes of buffered data lost during stream conversion!",
|
||||
stream->writepos - stream->readpos);
|
||||
}
|
||||
|
||||
if (castas == PHP_STREAM_AS_STDIO && ret)
|
||||
stream->stdiocast = *ret;
|
||||
|
||||
if (flags & PHP_STREAM_CAST_RELEASE) {
|
||||
php_stream_free(stream, PHP_STREAM_FREE_CLOSE_CASTED);
|
||||
}
|
||||
|
||||
return SUCCESS;
|
||||
|
||||
}
|
||||
/* }}} */
|
||||
|
||||
/* {{{ php_stream_open_wrapper_as_file */
|
||||
PHPAPI FILE * _php_stream_open_wrapper_as_file(char *path, char *mode, int options, char **opened_path STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
FILE *fp = NULL;
|
||||
php_stream *stream = NULL;
|
||||
|
||||
stream = php_stream_open_wrapper_rel(path, mode, options|STREAM_WILL_CAST, opened_path);
|
||||
|
||||
if (stream == NULL)
|
||||
return NULL;
|
||||
|
||||
#ifdef PHP_WIN32
|
||||
/* Avoid possible strange problems when working with socket based streams */
|
||||
if ((options & STREAM_OPEN_FOR_INCLUDE) && php_stream_is(stream, PHP_STREAM_IS_SOCKET)) {
|
||||
char buf[CHUNK_SIZE];
|
||||
|
||||
fp = php_open_temporary_file(NULL, "php", NULL TSRMLS_CC);
|
||||
if (fp) {
|
||||
while (!php_stream_eof(stream)) {
|
||||
size_t didread = php_stream_read(stream, buf, sizeof(buf));
|
||||
if (didread > 0) {
|
||||
fwrite(buf, 1, didread, fp);
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
php_stream_close(stream);
|
||||
rewind(fp);
|
||||
return fp;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
if (php_stream_cast(stream, PHP_STREAM_AS_STDIO|PHP_STREAM_CAST_TRY_HARD|PHP_STREAM_CAST_RELEASE,
|
||||
(void**)&fp, REPORT_ERRORS) == FAILURE)
|
||||
{
|
||||
php_stream_close(stream);
|
||||
if (opened_path && *opened_path)
|
||||
efree(*opened_path);
|
||||
return NULL;
|
||||
}
|
||||
return fp;
|
||||
}
|
||||
/* }}} */
|
||||
|
||||
/* {{{ php_stream_make_seekable */
|
||||
PHPAPI int _php_stream_make_seekable(php_stream *origstream, php_stream **newstream, int flags STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
assert(newstream != NULL);
|
||||
|
||||
*newstream = NULL;
|
||||
|
||||
if (((flags & PHP_STREAM_FORCE_CONVERSION) == 0) && origstream->ops->seek != NULL) {
|
||||
*newstream = origstream;
|
||||
return PHP_STREAM_UNCHANGED;
|
||||
}
|
||||
|
||||
/* Use a tmpfile and copy the old streams contents into it */
|
||||
|
||||
if (flags & PHP_STREAM_PREFER_STDIO)
|
||||
*newstream = php_stream_fopen_tmpfile();
|
||||
else
|
||||
*newstream = php_stream_temp_new();
|
||||
|
||||
if (*newstream == NULL)
|
||||
return PHP_STREAM_FAILED;
|
||||
|
||||
if (php_stream_copy_to_stream(origstream, *newstream, PHP_STREAM_COPY_ALL) == 0) {
|
||||
php_stream_close(*newstream);
|
||||
*newstream = NULL;
|
||||
return PHP_STREAM_CRITICAL;
|
||||
}
|
||||
|
||||
php_stream_close(origstream);
|
||||
php_stream_seek(*newstream, 0, SEEK_SET);
|
||||
|
||||
return PHP_STREAM_RELEASED;
|
||||
}
|
||||
/* }}} */
|
||||
|
||||
/*
|
||||
* Local variables:
|
||||
* tab-width: 4
|
||||
* c-basic-offset: 4
|
||||
* End:
|
||||
* vim600: noet sw=4 ts=4 fdm=marker
|
||||
* vim<600: noet sw=4 ts=4
|
||||
*/
|
164
main/streams/filter.c
Normal file
164
main/streams/filter.c
Normal file
|
@ -0,0 +1,164 @@
|
|||
/*
|
||||
+----------------------------------------------------------------------+
|
||||
| PHP Version 4 |
|
||||
+----------------------------------------------------------------------+
|
||||
| Copyright (c) 1997-2003 The PHP Group |
|
||||
+----------------------------------------------------------------------+
|
||||
| This source file is subject to version 2.02 of the PHP license, |
|
||||
| that is bundled with this package in the file LICENSE, and is |
|
||||
| available at through the world-wide-web at |
|
||||
| http://www.php.net/license/2_02.txt. |
|
||||
| If you did not receive a copy of the PHP license and are unable to |
|
||||
| obtain it through the world-wide-web, please send a note to |
|
||||
| license@php.net so we can mail you a copy immediately. |
|
||||
+----------------------------------------------------------------------+
|
||||
| Authors: |
|
||||
| Wez Furlong (wez@thebrainroom.com) |
|
||||
+----------------------------------------------------------------------+
|
||||
*/
|
||||
|
||||
/* $Id$ */
|
||||
|
||||
#include "php.h"
|
||||
#include "php_globals.h"
|
||||
#include "php_network.h"
|
||||
#include "php_open_temporary_file.h"
|
||||
#include "ext/standard/file.h"
|
||||
#include <stddef.h>
|
||||
#include <fcntl.h>
|
||||
|
||||
#include "php_streams_int.h"
|
||||
|
||||
static HashTable stream_filters_hash;
|
||||
|
||||
PHPAPI HashTable *php_get_stream_filters_hash()
|
||||
{
|
||||
return &stream_filters_hash;
|
||||
}
|
||||
|
||||
PHPAPI int php_stream_filter_register_factory(const char *filterpattern, php_stream_filter_factory *factory TSRMLS_DC)
|
||||
{
|
||||
return zend_hash_add(&stream_filters_hash, (char*)filterpattern, strlen(filterpattern), factory, sizeof(*factory), NULL);
|
||||
}
|
||||
|
||||
PHPAPI int php_stream_filter_unregister_factory(const char *filterpattern TSRMLS_DC)
|
||||
{
|
||||
return zend_hash_del(&stream_filters_hash, (char*)filterpattern, strlen(filterpattern));
|
||||
}
|
||||
|
||||
/* We allow very simple pattern matching for filter factories:
|
||||
* if "charset.utf-8/sjis" is requested, we search first for an exact
|
||||
* match. If that fails, we try "charset.*".
|
||||
* This means that we don't need to clog up the hashtable with a zillion
|
||||
* charsets (for example) but still be able to provide them all as filters */
|
||||
PHPAPI php_stream_filter *php_stream_filter_create(const char *filtername, const char *filterparams, int filterparamslen, int persistent TSRMLS_DC)
|
||||
{
|
||||
php_stream_filter_factory *factory;
|
||||
php_stream_filter *filter = NULL;
|
||||
int n;
|
||||
char *period;
|
||||
|
||||
n = strlen(filtername);
|
||||
|
||||
if (SUCCESS == zend_hash_find(&stream_filters_hash, (char*)filtername, n, (void**)&factory)) {
|
||||
filter = factory->create_filter(filtername, filterparams, filterparamslen, persistent TSRMLS_CC);
|
||||
} else if ((period = strchr(filtername, '.'))) {
|
||||
/* try a wildcard */
|
||||
char wildname[128];
|
||||
|
||||
PHP_STRLCPY(wildname, filtername, sizeof(wildname) - 1, period-filtername + 1);
|
||||
strcat(wildname, "*");
|
||||
|
||||
if (SUCCESS == zend_hash_find(&stream_filters_hash, wildname, strlen(wildname), (void**)&factory)) {
|
||||
filter = factory->create_filter(filtername, filterparams, filterparamslen, persistent TSRMLS_CC);
|
||||
}
|
||||
}
|
||||
|
||||
if (filter == NULL) {
|
||||
/* TODO: these need correct docrefs */
|
||||
if (factory == NULL)
|
||||
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to locate filter \"%s\"", filtername);
|
||||
else
|
||||
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to create or locate filter \"%s\"", filtername);
|
||||
}
|
||||
|
||||
return filter;
|
||||
}
|
||||
|
||||
PHPAPI php_stream_filter *_php_stream_filter_alloc(php_stream_filter_ops *fops, void *abstract, int persistent STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
php_stream_filter *filter;
|
||||
|
||||
filter = (php_stream_filter*) pemalloc_rel_orig(sizeof(php_stream_filter), persistent);
|
||||
memset(filter, 0, sizeof(php_stream_filter));
|
||||
|
||||
filter->fops = fops;
|
||||
filter->abstract = abstract;
|
||||
filter->is_persistent = persistent;
|
||||
|
||||
return filter;
|
||||
}
|
||||
|
||||
PHPAPI void php_stream_filter_free(php_stream_filter *filter TSRMLS_DC)
|
||||
{
|
||||
if (filter->fops->dtor)
|
||||
filter->fops->dtor(filter TSRMLS_CC);
|
||||
pefree(filter, filter->is_persistent);
|
||||
}
|
||||
|
||||
PHPAPI void php_stream_filter_prepend(php_stream *stream, php_stream_filter *filter)
|
||||
{
|
||||
filter->next = stream->filterhead;
|
||||
filter->prev = NULL;
|
||||
|
||||
if (stream->filterhead) {
|
||||
stream->filterhead->prev = filter;
|
||||
} else {
|
||||
stream->filtertail = filter;
|
||||
}
|
||||
stream->filterhead = filter;
|
||||
filter->stream = stream;
|
||||
}
|
||||
|
||||
PHPAPI void php_stream_filter_append(php_stream *stream, php_stream_filter *filter)
|
||||
{
|
||||
filter->prev = stream->filtertail;
|
||||
filter->next = NULL;
|
||||
if (stream->filtertail) {
|
||||
stream->filtertail->next = filter;
|
||||
} else {
|
||||
stream->filterhead = filter;
|
||||
}
|
||||
stream->filtertail = filter;
|
||||
filter->stream = stream;
|
||||
}
|
||||
|
||||
PHPAPI php_stream_filter *php_stream_filter_remove(php_stream *stream, php_stream_filter *filter, int call_dtor TSRMLS_DC)
|
||||
{
|
||||
assert(stream == filter->stream);
|
||||
|
||||
if (filter->prev) {
|
||||
filter->prev->next = filter->next;
|
||||
} else {
|
||||
stream->filterhead = filter->next;
|
||||
}
|
||||
if (filter->next) {
|
||||
filter->next->prev = filter->prev;
|
||||
} else {
|
||||
stream->filtertail = filter->prev;
|
||||
}
|
||||
if (call_dtor) {
|
||||
php_stream_filter_free(filter TSRMLS_CC);
|
||||
return NULL;
|
||||
}
|
||||
return filter;
|
||||
}
|
||||
|
||||
/*
|
||||
* Local variables:
|
||||
* tab-width: 4
|
||||
* c-basic-offset: 4
|
||||
* End:
|
||||
* vim600: noet sw=4 ts=4 fdm=marker
|
||||
* vim<600: noet sw=4 ts=4
|
||||
*/
|
39
main/streams/php_streams_int.h
Normal file
39
main/streams/php_streams_int.h
Normal file
|
@ -0,0 +1,39 @@
|
|||
#if ZEND_DEBUG
|
||||
#define emalloc_rel_orig(size) \
|
||||
( __php_stream_call_depth == 0 \
|
||||
? _emalloc((size) ZEND_FILE_LINE_CC ZEND_FILE_LINE_RELAY_CC) \
|
||||
: _emalloc((size) ZEND_FILE_LINE_CC ZEND_FILE_LINE_ORIG_RELAY_CC) )
|
||||
|
||||
#define erealloc_rel_orig(ptr, size) \
|
||||
( __php_stream_call_depth == 0 \
|
||||
? _erealloc((ptr), (size), 0 ZEND_FILE_LINE_CC ZEND_FILE_LINE_RELAY_CC) \
|
||||
: _erealloc((ptr), (size), 0 ZEND_FILE_LINE_CC ZEND_FILE_LINE_ORIG_RELAY_CC) )
|
||||
|
||||
|
||||
#define pemalloc_rel_orig(size, persistent) ((persistent) ? malloc((size)) : emalloc_rel_orig((size)))
|
||||
#define perealloc_rel_orig(ptr, size, persistent) ((persistent) ? realloc((ptr), (size)) : erealloc_rel_orig((ptr), (size)))
|
||||
#else
|
||||
# define pemalloc_rel_orig(size, persistent) pemalloc((size), (persistent))
|
||||
# define perealloc_rel_orig(ptr, size, persistent) perealloc((ptr), (size), (persistent))
|
||||
# define emalloc_rel_orig(size) emalloc((size))
|
||||
#endif
|
||||
|
||||
#define STREAM_DEBUG 0
|
||||
#define STREAM_WRAPPER_PLAIN_FILES ((php_stream_wrapper*)-1)
|
||||
extern php_stream_wrapper php_plain_files_wrapper;
|
||||
|
||||
#ifndef MAP_FAILED
|
||||
#define MAP_FAILED ((void *) -1)
|
||||
#endif
|
||||
|
||||
#define CHUNK_SIZE 8192
|
||||
|
||||
#ifdef PHP_WIN32
|
||||
#define EWOULDBLOCK WSAEWOULDBLOCK
|
||||
#endif
|
||||
|
||||
#ifndef S_ISREG
|
||||
#define S_ISREG(mode) (((mode)&S_IFMT) == S_IFREG)
|
||||
#endif
|
||||
|
||||
|
856
main/streams/plain_wrapper.c
Normal file
856
main/streams/plain_wrapper.c
Normal file
|
@ -0,0 +1,856 @@
|
|||
/*
|
||||
+----------------------------------------------------------------------+
|
||||
| PHP Version 4 |
|
||||
+----------------------------------------------------------------------+
|
||||
| Copyright (c) 1997-2003 The PHP Group |
|
||||
+----------------------------------------------------------------------+
|
||||
| This source file is subject to version 2.02 of the PHP license, |
|
||||
| that is bundled with this package in the file LICENSE, and is |
|
||||
| available at through the world-wide-web at |
|
||||
| http://www.php.net/license/2_02.txt. |
|
||||
| If you did not receive a copy of the PHP license and are unable to |
|
||||
| obtain it through the world-wide-web, please send a note to |
|
||||
| license@php.net so we can mail you a copy immediately. |
|
||||
+----------------------------------------------------------------------+
|
||||
| Authors: |
|
||||
| Wez Furlong (wez@thebrainroom.com) |
|
||||
+----------------------------------------------------------------------+
|
||||
*/
|
||||
|
||||
/* $Id$ */
|
||||
|
||||
#include "php.h"
|
||||
#include "php_globals.h"
|
||||
#include "php_network.h"
|
||||
#include "php_open_temporary_file.h"
|
||||
#include "ext/standard/file.h"
|
||||
#include <stddef.h>
|
||||
#include <fcntl.h>
|
||||
#if HAVE_SYS_WAIT_H
|
||||
#include <sys/wait.h>
|
||||
#endif
|
||||
|
||||
#include "php_streams_int.h"
|
||||
|
||||
/* parse standard "fopen" modes into open() flags */
|
||||
PHPAPI int php_stream_parse_fopen_modes(const char *mode, int *open_flags)
|
||||
{
|
||||
int flags;
|
||||
|
||||
switch (mode[0]) {
|
||||
case 'r':
|
||||
flags = 0;
|
||||
break;
|
||||
case 'w':
|
||||
flags = O_TRUNC|O_CREAT;
|
||||
break;
|
||||
case 'a':
|
||||
flags = O_CREAT|O_APPEND;
|
||||
break;
|
||||
case 'x':
|
||||
flags = O_CREAT|O_EXCL;
|
||||
break;
|
||||
default:
|
||||
/* unknown mode */
|
||||
return FAILURE;
|
||||
}
|
||||
|
||||
if (strchr(mode, '+')) {
|
||||
flags |= O_RDWR;
|
||||
} else if (flags) {
|
||||
flags |= O_WRONLY;
|
||||
} else {
|
||||
flags |= O_RDONLY;
|
||||
}
|
||||
|
||||
#ifdef O_BINARY
|
||||
if (strchr(mode, 'b')) {
|
||||
flags |= O_BINARY;
|
||||
}
|
||||
#endif
|
||||
|
||||
*open_flags = flags;
|
||||
return SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
/* {{{ php_stream_fopen */
|
||||
PHPAPI php_stream *_php_stream_fopen(const char *filename, const char *mode, char **opened_path, int options STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
char *realpath = NULL;
|
||||
struct stat st;
|
||||
int open_flags;
|
||||
int fd;
|
||||
php_stream *ret;
|
||||
|
||||
if (FAILURE == php_stream_parse_fopen_modes(mode, &open_flags)) {
|
||||
if (options & REPORT_ERRORS) {
|
||||
php_error_docref(NULL TSRMLS_CC, E_WARNING, "`%s' is not a valid mode for fopen", mode);
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
realpath = expand_filepath(filename, NULL TSRMLS_CC);
|
||||
|
||||
fd = open(realpath, open_flags, 0666);
|
||||
|
||||
if (fd != -1) {
|
||||
/* sanity checks for include/require */
|
||||
if (options & STREAM_OPEN_FOR_INCLUDE && (fstat(fd, &st) == -1 || !S_ISREG(st.st_mode))) {
|
||||
#ifdef PHP_WIN32
|
||||
/* skip the sanity check; fstat doesn't appear to work on
|
||||
* UNC paths */
|
||||
if (!IS_UNC_PATH(filename, strlen(filename)))
|
||||
#endif
|
||||
goto err;
|
||||
}
|
||||
|
||||
ret = php_stream_fopen_from_fd_rel(fd, mode);
|
||||
|
||||
if (ret) {
|
||||
if (opened_path) {
|
||||
*opened_path = realpath;
|
||||
realpath = NULL;
|
||||
}
|
||||
if (realpath)
|
||||
efree(realpath);
|
||||
|
||||
return ret;
|
||||
}
|
||||
err:
|
||||
close(fd);
|
||||
}
|
||||
efree(realpath);
|
||||
return NULL;
|
||||
}
|
||||
/* }}} */
|
||||
|
||||
/* {{{ ------- STDIO stream implementation -------*/
|
||||
|
||||
typedef struct {
|
||||
FILE *file;
|
||||
int fd; /* underlying file descriptor */
|
||||
int is_process_pipe; /* use pclose instead of fclose */
|
||||
int is_pipe; /* don't try and seek */
|
||||
char *temp_file_name; /* if non-null, this is the path to a temporary file that
|
||||
* is to be deleted when the stream is closed */
|
||||
#if HAVE_FLUSHIO
|
||||
char last_op;
|
||||
#endif
|
||||
} php_stdio_stream_data;
|
||||
|
||||
PHPAPI php_stream *_php_stream_fopen_temporary_file(const char *dir, const char *pfx, char **opened_path STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
FILE *fp = php_open_temporary_file(dir, pfx, opened_path TSRMLS_CC);
|
||||
|
||||
if (fp) {
|
||||
php_stream *stream = php_stream_fopen_from_file_rel(fp, "r+b");
|
||||
if (stream) {
|
||||
return stream;
|
||||
}
|
||||
fclose(fp);
|
||||
|
||||
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to allocate stream");
|
||||
|
||||
return NULL;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
PHPAPI php_stream *_php_stream_fopen_tmpfile(int dummy STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
char *opened_path = NULL;
|
||||
FILE *fp = php_open_temporary_file(NULL, "php", &opened_path TSRMLS_CC);
|
||||
|
||||
if (fp) {
|
||||
php_stream *stream = php_stream_fopen_from_file_rel(fp, "r+b");
|
||||
if (stream) {
|
||||
php_stdio_stream_data *self = (php_stdio_stream_data*)stream->abstract;
|
||||
|
||||
self->temp_file_name = opened_path;
|
||||
return stream;
|
||||
}
|
||||
fclose(fp);
|
||||
|
||||
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to allocate stream");
|
||||
|
||||
return NULL;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
PHPAPI php_stream *_php_stream_fopen_from_fd(int fd, const char *mode STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
php_stdio_stream_data *self;
|
||||
php_stream *stream;
|
||||
|
||||
self = emalloc_rel_orig(sizeof(*self));
|
||||
self->file = NULL;
|
||||
self->is_pipe = 0;
|
||||
self->is_process_pipe = 0;
|
||||
self->temp_file_name = NULL;
|
||||
self->fd = fd;
|
||||
|
||||
#ifdef S_ISFIFO
|
||||
/* detect if this is a pipe */
|
||||
if (self->fd >= 0) {
|
||||
struct stat sb;
|
||||
self->is_pipe = (fstat(self->fd, &sb) == 0 && S_ISFIFO(sb.st_mode)) ? 1 : 0;
|
||||
}
|
||||
#elif defined(PHP_WIN32)
|
||||
{
|
||||
long handle = _get_osfhandle(self->fd);
|
||||
DWORD in_buf_size, out_buf_size;
|
||||
|
||||
if (handle != 0xFFFFFFFF) {
|
||||
self->is_pipe = GetNamedPipeInfo((HANDLE)handle, NULL, &out_buf_size, &in_buf_size, NULL);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
stream = php_stream_alloc_rel(&php_stream_stdio_ops, self, 0, mode);
|
||||
|
||||
if (stream) {
|
||||
if (self->is_pipe) {
|
||||
stream->flags |= PHP_STREAM_FLAG_NO_SEEK;
|
||||
} else {
|
||||
stream->position = lseek(self->fd, 0, SEEK_CUR);
|
||||
}
|
||||
}
|
||||
|
||||
return stream;
|
||||
}
|
||||
|
||||
PHPAPI php_stream *_php_stream_fopen_from_file(FILE *file, const char *mode STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
php_stdio_stream_data *self;
|
||||
php_stream *stream;
|
||||
|
||||
self = emalloc_rel_orig(sizeof(*self));
|
||||
self->file = file;
|
||||
self->is_pipe = 0;
|
||||
self->is_process_pipe = 0;
|
||||
self->temp_file_name = NULL;
|
||||
self->fd = fileno(file);
|
||||
|
||||
#ifdef S_ISFIFO
|
||||
/* detect if this is a pipe */
|
||||
if (self->fd >= 0) {
|
||||
struct stat sb;
|
||||
self->is_pipe = (fstat(self->fd, &sb) == 0 && S_ISFIFO(sb.st_mode)) ? 1 : 0;
|
||||
}
|
||||
#elif defined(PHP_WIN32)
|
||||
{
|
||||
long handle = _get_osfhandle(self->fd);
|
||||
DWORD in_buf_size, out_buf_size;
|
||||
|
||||
if (handle != 0xFFFFFFFF) {
|
||||
self->is_pipe = GetNamedPipeInfo((HANDLE)handle, NULL, &out_buf_size, &in_buf_size, NULL);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
stream = php_stream_alloc_rel(&php_stream_stdio_ops, self, 0, mode);
|
||||
|
||||
if (stream) {
|
||||
if (self->is_pipe) {
|
||||
stream->flags |= PHP_STREAM_FLAG_NO_SEEK;
|
||||
} else {
|
||||
stream->position = ftell(file);
|
||||
}
|
||||
}
|
||||
|
||||
return stream;
|
||||
}
|
||||
|
||||
PHPAPI php_stream *_php_stream_fopen_from_pipe(FILE *file, const char *mode STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
php_stdio_stream_data *self;
|
||||
php_stream *stream;
|
||||
|
||||
self = emalloc_rel_orig(sizeof(*self));
|
||||
self->file = file;
|
||||
self->is_pipe = 1;
|
||||
self->is_process_pipe = 1;
|
||||
self->fd = fileno(file);
|
||||
self->temp_file_name = NULL;
|
||||
|
||||
stream = php_stream_alloc_rel(&php_stream_stdio_ops, self, 0, mode);
|
||||
stream->flags |= PHP_STREAM_FLAG_NO_SEEK;
|
||||
return stream;
|
||||
}
|
||||
|
||||
#define PHP_STDIOP_GET_FD(anfd, data) anfd = (data)->file ? fileno((data)->file) : (data)->fd
|
||||
|
||||
static size_t php_stdiop_write(php_stream *stream, const char *buf, size_t count TSRMLS_DC)
|
||||
{
|
||||
php_stdio_stream_data *data = (php_stdio_stream_data*)stream->abstract;
|
||||
|
||||
assert(data != NULL);
|
||||
|
||||
if (data->fd >= 0) {
|
||||
int bytes_written = write(data->fd, buf, count);
|
||||
if (bytes_written < 0) return 0;
|
||||
return (size_t) bytes_written;
|
||||
} else {
|
||||
|
||||
#if HAVE_FLUSHIO
|
||||
if (!data->is_pipe && data->last_op == 'r') {
|
||||
fseek(data->file, 0, SEEK_CUR);
|
||||
}
|
||||
data->last_op = 'w';
|
||||
#endif
|
||||
|
||||
return fwrite(buf, 1, count, data->file);
|
||||
}
|
||||
}
|
||||
|
||||
static size_t php_stdiop_read(php_stream *stream, char *buf, size_t count TSRMLS_DC)
|
||||
{
|
||||
php_stdio_stream_data *data = (php_stdio_stream_data*)stream->abstract;
|
||||
size_t ret;
|
||||
|
||||
assert(data != NULL);
|
||||
|
||||
if (data->fd >= 0) {
|
||||
ret = read(data->fd, buf, count);
|
||||
|
||||
if (ret == 0 || (ret == -1 && errno != EWOULDBLOCK))
|
||||
stream->eof = 1;
|
||||
|
||||
} else {
|
||||
#if HAVE_FLUSHIO
|
||||
if (!data->is_pipe && data->last_op == 'w')
|
||||
fseek(data->file, 0, SEEK_CUR);
|
||||
data->last_op = 'r';
|
||||
#endif
|
||||
|
||||
ret = fread(buf, 1, count, data->file);
|
||||
|
||||
if (feof(data->file))
|
||||
stream->eof = 1;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int php_stdiop_close(php_stream *stream, int close_handle TSRMLS_DC)
|
||||
{
|
||||
int ret;
|
||||
php_stdio_stream_data *data = (php_stdio_stream_data*)stream->abstract;
|
||||
|
||||
assert(data != NULL);
|
||||
|
||||
if (close_handle) {
|
||||
if (data->file) {
|
||||
if (data->is_process_pipe) {
|
||||
errno = 0;
|
||||
ret = pclose(data->file);
|
||||
|
||||
#if HAVE_SYS_WAIT_H
|
||||
if (WIFEXITED(ret)) {
|
||||
ret = WEXITSTATUS(ret);
|
||||
}
|
||||
#endif
|
||||
} else {
|
||||
ret = fclose(data->file);
|
||||
data->file = NULL;
|
||||
}
|
||||
} else if (data->fd != -1) {
|
||||
ret = close(data->fd);
|
||||
data->fd = -1;
|
||||
} else {
|
||||
return 0; /* everything should be closed already -> success */
|
||||
}
|
||||
if (data->temp_file_name) {
|
||||
unlink(data->temp_file_name);
|
||||
efree(data->temp_file_name);
|
||||
data->temp_file_name = NULL;
|
||||
}
|
||||
} else {
|
||||
ret = 0;
|
||||
data->file = NULL;
|
||||
data->fd = -1;
|
||||
}
|
||||
|
||||
/* STDIO streams are never persistent! */
|
||||
efree(data);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int php_stdiop_flush(php_stream *stream TSRMLS_DC)
|
||||
{
|
||||
php_stdio_stream_data *data = (php_stdio_stream_data*)stream->abstract;
|
||||
|
||||
assert(data != NULL);
|
||||
|
||||
/*
|
||||
* stdio buffers data in user land. By calling fflush(3), this
|
||||
* data is send to the kernel using write(2). fsync'ing is
|
||||
* something completely different.
|
||||
*/
|
||||
if (data->file) {
|
||||
return fflush(data->file);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int php_stdiop_seek(php_stream *stream, off_t offset, int whence, off_t *newoffset TSRMLS_DC)
|
||||
{
|
||||
php_stdio_stream_data *data = (php_stdio_stream_data*)stream->abstract;
|
||||
int ret;
|
||||
|
||||
assert(data != NULL);
|
||||
|
||||
if (data->is_pipe) {
|
||||
php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot seek on a pipe");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (data->fd >= 0) {
|
||||
off_t result;
|
||||
|
||||
result = lseek(data->fd, offset, whence);
|
||||
if (result == (off_t)-1)
|
||||
return -1;
|
||||
|
||||
*newoffset = result;
|
||||
return 0;
|
||||
|
||||
} else {
|
||||
ret = fseek(data->file, offset, whence);
|
||||
*newoffset = ftell(data->file);
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
|
||||
static int php_stdiop_cast(php_stream *stream, int castas, void **ret TSRMLS_DC)
|
||||
{
|
||||
int fd;
|
||||
php_stdio_stream_data *data = (php_stdio_stream_data*) stream->abstract;
|
||||
|
||||
assert(data != NULL);
|
||||
|
||||
/* as soon as someone touches the stdio layer, buffering may ensue,
|
||||
* so we need to stop using the fd directly in that case */
|
||||
|
||||
switch (castas) {
|
||||
case PHP_STREAM_AS_STDIO:
|
||||
if (ret) {
|
||||
|
||||
if (data->file == NULL) {
|
||||
/* we were opened as a plain file descriptor, so we
|
||||
* need fdopen now */
|
||||
data->file = fdopen(data->fd, stream->mode);
|
||||
}
|
||||
|
||||
*ret = data->file;
|
||||
data->fd = -1;
|
||||
}
|
||||
return SUCCESS;
|
||||
|
||||
case PHP_STREAM_AS_FD:
|
||||
/* fetch the fileno rather than using data->fd, since we may
|
||||
* have zeroed that member if someone requested the FILE*
|
||||
* first (see above case) */
|
||||
PHP_STDIOP_GET_FD(fd, data);
|
||||
|
||||
if (fd < 0) {
|
||||
return FAILURE;
|
||||
}
|
||||
if (data->file) {
|
||||
fflush(data->file);
|
||||
}
|
||||
if (ret) {
|
||||
*ret = (void*)fd;
|
||||
}
|
||||
return SUCCESS;
|
||||
default:
|
||||
return FAILURE;
|
||||
}
|
||||
}
|
||||
|
||||
static int php_stdiop_stat(php_stream *stream, php_stream_statbuf *ssb TSRMLS_DC)
|
||||
{
|
||||
int fd;
|
||||
php_stdio_stream_data *data = (php_stdio_stream_data*) stream->abstract;
|
||||
|
||||
assert(data != NULL);
|
||||
|
||||
PHP_STDIOP_GET_FD(fd, data);
|
||||
|
||||
return fstat(fd, &ssb->sb);
|
||||
}
|
||||
|
||||
static int php_stdiop_set_option(php_stream *stream, int option, int value, void *ptrparam TSRMLS_DC)
|
||||
{
|
||||
php_stdio_stream_data *data = (php_stdio_stream_data*) stream->abstract;
|
||||
size_t size;
|
||||
int fd;
|
||||
#ifdef O_NONBLOCK
|
||||
/* FIXME: make this work for win32 */
|
||||
int flags;
|
||||
int oldval;
|
||||
#endif
|
||||
|
||||
PHP_STDIOP_GET_FD(fd, data);
|
||||
|
||||
switch(option) {
|
||||
case PHP_STREAM_OPTION_BLOCKING:
|
||||
if (fd == -1)
|
||||
return -1;
|
||||
#ifdef O_NONBLOCK
|
||||
flags = fcntl(fd, F_GETFL, 0);
|
||||
oldval = (flags & O_NONBLOCK) ? 0 : 1;
|
||||
if (value)
|
||||
flags ^= O_NONBLOCK;
|
||||
else
|
||||
flags |= O_NONBLOCK;
|
||||
|
||||
if (-1 == fcntl(fd, F_SETFL, flags))
|
||||
return -1;
|
||||
return oldval;
|
||||
#else
|
||||
return -1; /* not yet implemented */
|
||||
#endif
|
||||
|
||||
case PHP_STREAM_OPTION_WRITE_BUFFER:
|
||||
|
||||
if (data->file == NULL) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (ptrparam)
|
||||
size = *(size_t *)ptrparam;
|
||||
else
|
||||
size = BUFSIZ;
|
||||
|
||||
switch(value) {
|
||||
case PHP_STREAM_BUFFER_NONE:
|
||||
stream->flags |= PHP_STREAM_FLAG_NO_BUFFER;
|
||||
return setvbuf(data->file, NULL, _IONBF, 0);
|
||||
|
||||
case PHP_STREAM_BUFFER_LINE:
|
||||
stream->flags ^= PHP_STREAM_FLAG_NO_BUFFER;
|
||||
return setvbuf(data->file, NULL, _IOLBF, size);
|
||||
|
||||
case PHP_STREAM_BUFFER_FULL:
|
||||
stream->flags ^= PHP_STREAM_FLAG_NO_BUFFER;
|
||||
return setvbuf(data->file, NULL, _IOFBF, size);
|
||||
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
PHPAPI php_stream_ops php_stream_stdio_ops = {
|
||||
php_stdiop_write, php_stdiop_read,
|
||||
php_stdiop_close, php_stdiop_flush,
|
||||
"STDIO",
|
||||
php_stdiop_seek,
|
||||
php_stdiop_cast,
|
||||
php_stdiop_stat,
|
||||
php_stdiop_set_option
|
||||
};
|
||||
/* }}} */
|
||||
|
||||
static size_t php_plain_files_dirstream_read(php_stream *stream, char *buf, size_t count TSRMLS_DC)
|
||||
{
|
||||
DIR *dir = (DIR*)stream->abstract;
|
||||
/* avoid libc5 readdir problems */
|
||||
char entry[sizeof(struct dirent)+MAXPATHLEN];
|
||||
struct dirent *result = (struct dirent *)&entry;
|
||||
php_stream_dirent *ent = (php_stream_dirent*)buf;
|
||||
|
||||
/* avoid problems if someone mis-uses the stream */
|
||||
if (count != sizeof(php_stream_dirent))
|
||||
return 0;
|
||||
|
||||
if (php_readdir_r(dir, (struct dirent *)entry, &result) == 0 && result) {
|
||||
PHP_STRLCPY(ent->d_name, result->d_name, sizeof(ent->d_name), strlen(result->d_name));
|
||||
return sizeof(php_stream_dirent);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int php_plain_files_dirstream_close(php_stream *stream, int close_handle TSRMLS_DC)
|
||||
{
|
||||
return closedir((DIR *)stream->abstract);
|
||||
}
|
||||
|
||||
static int php_plain_files_dirstream_rewind(php_stream *stream, off_t offset, int whence, off_t *newoffs TSRMLS_DC)
|
||||
{
|
||||
rewinddir((DIR *)stream->abstract);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static php_stream_ops php_plain_files_dirstream_ops = {
|
||||
NULL, php_plain_files_dirstream_read,
|
||||
php_plain_files_dirstream_close, NULL,
|
||||
"dir",
|
||||
php_plain_files_dirstream_rewind,
|
||||
NULL, /* cast */
|
||||
NULL, /* stat */
|
||||
NULL /* set_option */
|
||||
};
|
||||
|
||||
static php_stream *php_plain_files_dir_opener(php_stream_wrapper *wrapper, char *path, char *mode,
|
||||
int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
DIR *dir = NULL;
|
||||
php_stream *stream = NULL;
|
||||
|
||||
if (php_check_open_basedir(path TSRMLS_CC)) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (PG(safe_mode) &&(!php_checkuid(path, NULL, CHECKUID_ALLOW_ONLY_FILE))) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
dir = VCWD_OPENDIR(path);
|
||||
|
||||
#ifdef PHP_WIN32
|
||||
if (dir && dir->finished) {
|
||||
closedir(dir);
|
||||
dir = NULL;
|
||||
}
|
||||
#endif
|
||||
if (dir) {
|
||||
stream = php_stream_alloc(&php_plain_files_dirstream_ops, dir, 0, mode);
|
||||
if (stream == NULL)
|
||||
closedir(dir);
|
||||
}
|
||||
|
||||
return stream;
|
||||
}
|
||||
|
||||
|
||||
|
||||
static php_stream *php_plain_files_stream_opener(php_stream_wrapper *wrapper, char *path, char *mode,
|
||||
int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
if ((options & USE_PATH) && PG(include_path) != NULL) {
|
||||
return php_stream_fopen_with_path_rel(path, mode, PG(include_path), opened_path, options);
|
||||
}
|
||||
|
||||
if (php_check_open_basedir(path TSRMLS_CC)) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if ((options & ENFORCE_SAFE_MODE) && PG(safe_mode) && (!php_checkuid(path, mode, CHECKUID_CHECK_MODE_PARAM)))
|
||||
return NULL;
|
||||
|
||||
return php_stream_fopen_rel(path, mode, opened_path, options);
|
||||
}
|
||||
|
||||
static int php_plain_files_url_stater(php_stream_wrapper *wrapper, char *url, php_stream_statbuf *ssb TSRMLS_DC)
|
||||
{
|
||||
return VCWD_STAT(url, &ssb->sb);
|
||||
}
|
||||
|
||||
static php_stream_wrapper_ops php_plain_files_wrapper_ops = {
|
||||
php_plain_files_stream_opener,
|
||||
NULL,
|
||||
NULL,
|
||||
php_plain_files_url_stater,
|
||||
php_plain_files_dir_opener,
|
||||
"plainfile"
|
||||
};
|
||||
|
||||
php_stream_wrapper php_plain_files_wrapper = {
|
||||
&php_plain_files_wrapper_ops,
|
||||
NULL,
|
||||
0
|
||||
};
|
||||
|
||||
/* {{{ php_stream_fopen_with_path */
|
||||
PHPAPI php_stream *_php_stream_fopen_with_path(char *filename, char *mode, char *path, char **opened_path, int options STREAMS_DC TSRMLS_DC)
|
||||
{
|
||||
/* code ripped off from fopen_wrappers.c */
|
||||
char *pathbuf, *ptr, *end;
|
||||
char *exec_fname;
|
||||
char trypath[MAXPATHLEN];
|
||||
struct stat sb;
|
||||
php_stream *stream;
|
||||
int path_length;
|
||||
int filename_length;
|
||||
int exec_fname_length;
|
||||
|
||||
if (opened_path) {
|
||||
*opened_path = NULL;
|
||||
}
|
||||
|
||||
if(!filename) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
filename_length = strlen(filename);
|
||||
|
||||
/* Relative path open */
|
||||
if (*filename == '.' && (IS_SLASH(filename[1]) || filename[1] == '.')) {
|
||||
/* further checks, we could have ....... filenames */
|
||||
ptr = filename + 1;
|
||||
if (*ptr == '.') {
|
||||
while (*(++ptr) == '.');
|
||||
if (!IS_SLASH(*ptr)) { /* not a relative path after all */
|
||||
goto not_relative_path;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if (php_check_open_basedir(filename TSRMLS_CC)) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (PG(safe_mode) && (!php_checkuid(filename, mode, CHECKUID_CHECK_MODE_PARAM))) {
|
||||
return NULL;
|
||||
}
|
||||
return php_stream_fopen_rel(filename, mode, opened_path, options);
|
||||
}
|
||||
|
||||
/*
|
||||
* files in safe_mode_include_dir (or subdir) are excluded from
|
||||
* safe mode GID/UID checks
|
||||
*/
|
||||
|
||||
not_relative_path:
|
||||
|
||||
/* Absolute path open */
|
||||
if (IS_ABSOLUTE_PATH(filename, filename_length)) {
|
||||
|
||||
if (php_check_open_basedir(filename TSRMLS_CC)) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if ((php_check_safe_mode_include_dir(filename TSRMLS_CC)) == 0)
|
||||
/* filename is in safe_mode_include_dir (or subdir) */
|
||||
return php_stream_fopen_rel(filename, mode, opened_path, options);
|
||||
|
||||
if (PG(safe_mode) && (!php_checkuid(filename, mode, CHECKUID_CHECK_MODE_PARAM)))
|
||||
return NULL;
|
||||
|
||||
return php_stream_fopen_rel(filename, mode, opened_path, options);
|
||||
}
|
||||
|
||||
#ifdef PHP_WIN32
|
||||
if (IS_SLASH(filename[0])) {
|
||||
int cwd_len;
|
||||
char *cwd;
|
||||
cwd = virtual_getcwd_ex(&cwd_len TSRMLS_CC);
|
||||
/* getcwd() will return always return [DRIVE_LETTER]:/) on windows. */
|
||||
*(cwd+3) = '\0';
|
||||
|
||||
snprintf(trypath, MAXPATHLEN, "%s%s", cwd, filename);
|
||||
|
||||
free(cwd);
|
||||
|
||||
if (php_check_open_basedir(trypath TSRMLS_CC)) {
|
||||
return NULL;
|
||||
}
|
||||
if ((php_check_safe_mode_include_dir(trypath TSRMLS_CC)) == 0) {
|
||||
return php_stream_fopen_rel(trypath, mode, opened_path, options);
|
||||
}
|
||||
if (PG(safe_mode) && (!php_checkuid(trypath, mode, CHECKUID_CHECK_MODE_PARAM))) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return php_stream_fopen_rel(trypath, mode, opened_path, options);
|
||||
}
|
||||
#endif
|
||||
|
||||
if (!path || (path && !*path)) {
|
||||
|
||||
if (php_check_open_basedir(path TSRMLS_CC)) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (PG(safe_mode) && (!php_checkuid(filename, mode, CHECKUID_CHECK_MODE_PARAM))) {
|
||||
return NULL;
|
||||
}
|
||||
return php_stream_fopen_rel(filename, mode, opened_path, options);
|
||||
}
|
||||
|
||||
/* check in provided path */
|
||||
/* append the calling scripts' current working directory
|
||||
* as a fall back case
|
||||
*/
|
||||
if (zend_is_executing(TSRMLS_C)) {
|
||||
exec_fname = zend_get_executed_filename(TSRMLS_C);
|
||||
exec_fname_length = strlen(exec_fname);
|
||||
path_length = strlen(path);
|
||||
|
||||
while ((--exec_fname_length >= 0) && !IS_SLASH(exec_fname[exec_fname_length]));
|
||||
if ((exec_fname && exec_fname[0] == '[')
|
||||
|| exec_fname_length<=0) {
|
||||
/* [no active file] or no path */
|
||||
pathbuf = estrdup(path);
|
||||
} else {
|
||||
pathbuf = (char *) emalloc(exec_fname_length + path_length +1 +1);
|
||||
memcpy(pathbuf, path, path_length);
|
||||
pathbuf[path_length] = DEFAULT_DIR_SEPARATOR;
|
||||
memcpy(pathbuf+path_length+1, exec_fname, exec_fname_length);
|
||||
pathbuf[path_length + exec_fname_length +1] = '\0';
|
||||
}
|
||||
} else {
|
||||
pathbuf = estrdup(path);
|
||||
}
|
||||
|
||||
ptr = pathbuf;
|
||||
|
||||
while (ptr && *ptr) {
|
||||
end = strchr(ptr, DEFAULT_DIR_SEPARATOR);
|
||||
if (end != NULL) {
|
||||
*end = '\0';
|
||||
end++;
|
||||
}
|
||||
snprintf(trypath, MAXPATHLEN, "%s/%s", ptr, filename);
|
||||
|
||||
if (php_check_open_basedir(trypath TSRMLS_CC)) {
|
||||
stream = NULL;
|
||||
goto stream_done;
|
||||
}
|
||||
|
||||
if (PG(safe_mode)) {
|
||||
if (VCWD_STAT(trypath, &sb) == 0) {
|
||||
/* file exists ... check permission */
|
||||
if ((php_check_safe_mode_include_dir(trypath TSRMLS_CC) == 0) ||
|
||||
php_checkuid(trypath, mode, CHECKUID_CHECK_MODE_PARAM)) {
|
||||
/* UID ok, or trypath is in safe_mode_include_dir */
|
||||
stream = php_stream_fopen_rel(trypath, mode, opened_path, options);
|
||||
} else {
|
||||
stream = NULL;
|
||||
}
|
||||
goto stream_done;
|
||||
}
|
||||
}
|
||||
stream = php_stream_fopen_rel(trypath, mode, opened_path, options);
|
||||
if (stream) {
|
||||
stream_done:
|
||||
efree(pathbuf);
|
||||
return stream;
|
||||
}
|
||||
ptr = end;
|
||||
} /* end provided path */
|
||||
|
||||
efree(pathbuf);
|
||||
return NULL;
|
||||
|
||||
}
|
||||
/* }}} */
|
||||
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* Local variables:
|
||||
* tab-width: 4
|
||||
* c-basic-offset: 4
|
||||
* End:
|
||||
* vim600: noet sw=4 ts=4 fdm=marker
|
||||
* vim<600: noet sw=4 ts=4
|
||||
*/
|
File diff suppressed because it is too large
Load diff
Loading…
Add table
Add a link
Reference in a new issue