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|
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2017 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.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: Marcus Boerger <helly@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "php.h"
#include "php_streams_int.h"
#ifdef HAVE_GLOB
# ifndef PHP_WIN32
# include <glob.h>
# else
# include "win32/glob.h"
# endif
#endif
#ifdef HAVE_GLOB
#ifndef GLOB_ONLYDIR
#define GLOB_ONLYDIR (1<<30)
#define GLOB_FLAGMASK (~GLOB_ONLYDIR)
#else
#define GLOB_FLAGMASK (~0)
#endif
typedef struct {
glob_t glob;
size_t index;
int flags;
char *path;
size_t path_len;
char *pattern;
size_t pattern_len;
} glob_s_t;
PHPAPI char* _php_glob_stream_get_path(php_stream *stream, int copy, size_t *plen STREAMS_DC) /* {{{ */
{
glob_s_t *pglob = (glob_s_t *)stream->abstract;
if (pglob && pglob->path) {
if (plen) {
*plen = pglob->path_len;
}
if (copy) {
return estrndup(pglob->path, pglob->path_len);
} else {
return pglob->path;
}
} else {
if (plen) {
*plen = 0;
}
return NULL;
}
}
/* }}} */
PHPAPI char* _php_glob_stream_get_pattern(php_stream *stream, int copy, size_t *plen STREAMS_DC) /* {{{ */
{
glob_s_t *pglob = (glob_s_t *)stream->abstract;
if (pglob && pglob->pattern) {
if (plen) {
*plen = pglob->pattern_len;
}
if (copy) {
return estrndup(pglob->pattern, pglob->pattern_len);
} else {
return pglob->pattern;
}
} else {
if (plen) {
*plen = 0;
}
return NULL;
}
}
/* }}} */
PHPAPI int _php_glob_stream_get_count(php_stream *stream, int *pflags STREAMS_DC) /* {{{ */
{
glob_s_t *pglob = (glob_s_t *)stream->abstract;
if (pglob) {
if (pflags) {
*pflags = pglob->flags;
}
return pglob->glob.gl_pathc;
} else {
if (pflags) {
*pflags = 0;
}
return 0;
}
}
/* }}} */
static void php_glob_stream_path_split(glob_s_t *pglob, const char *path, int get_path, const char **p_file) /* {{{ */
{
const char *pos, *gpath = path;
if ((pos = strrchr(path, '/')) != NULL) {
path = pos+1;
}
#ifdef PHP_WIN32
if ((pos = strrchr(path, '\\')) != NULL) {
path = pos+1;
}
#endif
*p_file = path;
if (get_path) {
if (pglob->path) {
efree(pglob->path);
}
if (path != gpath) {
path--;
}
pglob->path_len = path - gpath;
pglob->path = estrndup(gpath, pglob->path_len);
}
}
/* }}} */
static size_t php_glob_stream_read(php_stream *stream, char *buf, size_t count) /* {{{ */
{
glob_s_t *pglob = (glob_s_t *)stream->abstract;
php_stream_dirent *ent = (php_stream_dirent*)buf;
const char *path;
/* avoid problems if someone mis-uses the stream */
if (count == sizeof(php_stream_dirent) && pglob) {
if (pglob->index < (size_t)pglob->glob.gl_pathc) {
php_glob_stream_path_split(pglob, pglob->glob.gl_pathv[pglob->index++], pglob->flags & GLOB_APPEND, &path);
PHP_STRLCPY(ent->d_name, path, sizeof(ent->d_name), strlen(path));
return sizeof(php_stream_dirent);
}
pglob->index = pglob->glob.gl_pathc;
if (pglob->path) {
efree(pglob->path);
pglob->path = NULL;
}
}
return 0;
}
/* }}} */
static int php_glob_stream_close(php_stream *stream, int close_handle) /* {{{ */
{
glob_s_t *pglob = (glob_s_t *)stream->abstract;
if (pglob) {
pglob->index = 0;
globfree(&pglob->glob);
if (pglob->path) {
efree(pglob->path);
}
if (pglob->pattern) {
efree(pglob->pattern);
}
}
efree(stream->abstract);
return 0;
}
/* {{{ */
static int php_glob_stream_rewind(php_stream *stream, zend_off_t offset, int whence, zend_off_t *newoffs) /* {{{ */
{
glob_s_t *pglob = (glob_s_t *)stream->abstract;
if (pglob) {
pglob->index = 0;
if (pglob->path) {
efree(pglob->path);
pglob->path = NULL;
}
}
return 0;
}
/* }}} */
php_stream_ops php_glob_stream_ops = {
NULL, php_glob_stream_read,
php_glob_stream_close, NULL,
"glob",
php_glob_stream_rewind,
NULL, /* cast */
NULL, /* stat */
NULL /* set_option */
};
/* {{{ php_glob_stream_opener */
static php_stream *php_glob_stream_opener(php_stream_wrapper *wrapper, const char *path, const char *mode,
int options, zend_string **opened_path, php_stream_context *context STREAMS_DC)
{
glob_s_t *pglob;
int ret;
const char *tmp, *pos;
if (!strncmp(path, "glob://", sizeof("glob://")-1)) {
path += sizeof("glob://")-1;
if (opened_path) {
*opened_path = zend_string_init(path, strlen(path), 0);
}
}
if (((options & STREAM_DISABLE_OPEN_BASEDIR) == 0) && php_check_open_basedir(path)) {
return NULL;
}
pglob = ecalloc(sizeof(*pglob), 1);
if (0 != (ret = glob(path, pglob->flags & GLOB_FLAGMASK, NULL, &pglob->glob))) {
#ifdef GLOB_NOMATCH
if (GLOB_NOMATCH != ret)
#endif
{
efree(pglob);
return NULL;
}
}
pos = path;
if ((tmp = strrchr(pos, '/')) != NULL) {
pos = tmp+1;
}
#ifdef PHP_WIN32
if ((tmp = strrchr(pos, '\\')) != NULL) {
pos = tmp+1;
}
#endif
pglob->pattern_len = strlen(pos);
pglob->pattern = estrndup(pos, pglob->pattern_len);
pglob->flags |= GLOB_APPEND;
if (pglob->glob.gl_pathc) {
php_glob_stream_path_split(pglob, pglob->glob.gl_pathv[0], 1, &tmp);
} else {
php_glob_stream_path_split(pglob, path, 1, &tmp);
}
return php_stream_alloc(&php_glob_stream_ops, pglob, 0, mode);
}
/* }}} */
static php_stream_wrapper_ops php_glob_stream_wrapper_ops = {
NULL,
NULL,
NULL,
NULL,
php_glob_stream_opener,
"glob",
NULL,
NULL,
NULL,
NULL,
NULL
};
php_stream_wrapper php_glob_stream_wrapper = {
&php_glob_stream_wrapper_ops,
NULL,
0
};
#endif /* HAVE_GLOB */
/*
* 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
*/
|
