/* [<][>][^][v][top][bottom][index][help] */
DEFINITIONS
This source file includes following definitions.
- dir_cleanup
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- dir_make_parent
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "apr.h"
#include "apr_arch_file_io.h"
#include "apr_file_io.h"
#include "apr_strings.h"
#include "apr_portable.h"
#include "apr_arch_atime.h"
#if APR_HAVE_ERRNO_H
#include <errno.h>
#endif
#if APR_HAVE_STRING_H
#include <string.h>
#endif
#if APR_HAVE_DIRENT_H
#include <dirent.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
static apr_status_t dir_cleanup(void *thedir)
{
apr_dir_t *dir = thedir;
if (dir->dirhand != INVALID_HANDLE_VALUE && !FindClose(dir->dirhand)) {
return apr_get_os_error();
}
dir->dirhand = INVALID_HANDLE_VALUE;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_dir_open(apr_dir_t **new, const char *dirname,
apr_pool_t *pool)
{
apr_status_t rv;
apr_size_t len = strlen(dirname);
(*new) = apr_pcalloc(pool, sizeof(apr_dir_t));
/* Leave room here to add and pop the '*' wildcard for FindFirstFile
* and double-null terminate so we have one character to change.
*/
(*new)->dirname = apr_palloc(pool, len + 3);
memcpy((*new)->dirname, dirname, len);
if (len && (*new)->dirname[len - 1] != '/') {
(*new)->dirname[len++] = '/';
}
(*new)->dirname[len++] = '\0';
(*new)->dirname[len] = '\0';
#if APR_HAS_UNICODE_FS
IF_WIN_OS_IS_UNICODE
{
/* Create a buffer for the longest file name we will ever see
*/
(*new)->w.entry = apr_pcalloc(pool, sizeof(WIN32_FIND_DATAW));
(*new)->name = apr_pcalloc(pool, APR_FILE_MAX * 3 + 1);
}
#endif
#if APR_HAS_ANSI_FS
ELSE_WIN_OS_IS_ANSI
{
/* Note that we won't open a directory that is greater than MAX_PATH,
* including the trailing /* wildcard suffix. If a * won't fit, then
* neither will any other file name within the directory.
* The length not including the trailing '*' is stored as rootlen, to
* skip over all paths which are too long.
*/
if (len >= APR_PATH_MAX) {
(*new) = NULL;
return APR_ENAMETOOLONG;
}
(*new)->n.entry = apr_pcalloc(pool, sizeof(WIN32_FIND_DATAW));
}
#endif
(*new)->rootlen = len - 1;
(*new)->pool = pool;
(*new)->dirhand = INVALID_HANDLE_VALUE;
apr_pool_cleanup_register((*new)->pool, (void *)(*new), dir_cleanup,
apr_pool_cleanup_null);
rv = apr_dir_read(NULL, 0, *new);
if (rv != APR_SUCCESS) {
dir_cleanup(*new);
*new = NULL;
}
return rv;
}
APR_DECLARE(apr_status_t) apr_dir_close(apr_dir_t *dir)
{
apr_pool_cleanup_kill(dir->pool, dir, dir_cleanup);
return dir_cleanup(dir);
}
APR_DECLARE(apr_status_t) apr_dir_read(apr_finfo_t *finfo, apr_int32_t wanted,
apr_dir_t *thedir)
{
apr_status_t rv;
char *fname;
/* The while loops below allow us to skip all invalid file names, so that
* we aren't reporting any files where their absolute paths are too long.
*/
#if APR_HAS_UNICODE_FS
apr_wchar_t wdirname[APR_PATH_MAX];
apr_wchar_t *eos = NULL;
IF_WIN_OS_IS_UNICODE
{
/* This code path is always be invoked by apr_dir_open or
* apr_dir_rewind, so return without filling out the finfo.
*/
if (thedir->dirhand == INVALID_HANDLE_VALUE)
{
apr_status_t rv;
if (rv = utf8_to_unicode_path(wdirname, sizeof(wdirname)
/ sizeof(apr_wchar_t),
thedir->dirname)) {
return rv;
}
eos = wcschr(wdirname, '\0');
eos[0] = '*';
eos[1] = '\0';
thedir->dirhand = FindFirstFileW(wdirname, thedir->w.entry);
eos[0] = '\0';
if (thedir->dirhand == INVALID_HANDLE_VALUE) {
return apr_get_os_error();
}
thedir->bof = 1;
return APR_SUCCESS;
}
else if (thedir->bof) {
/* Noop - we already called FindFirstFileW from
* either apr_dir_open or apr_dir_rewind ... use
* that first record.
*/
thedir->bof = 0;
}
else if (!FindNextFileW(thedir->dirhand, thedir->w.entry)) {
return apr_get_os_error();
}
while (thedir->rootlen &&
thedir->rootlen + wcslen(thedir->w.entry->cFileName) >= APR_PATH_MAX)
{
if (!FindNextFileW(thedir->dirhand, thedir->w.entry)) {
return apr_get_os_error();
}
}
if (rv = unicode_to_utf8_path(thedir->name, APR_FILE_MAX * 3 + 1,
thedir->w.entry->cFileName))
return rv;
fname = thedir->name;
}
#endif
#if APR_HAS_ANSI_FS
ELSE_WIN_OS_IS_ANSI
{
/* This code path is always be invoked by apr_dir_open or
* apr_dir_rewind, so return without filling out the finfo.
*/
if (thedir->dirhand == INVALID_HANDLE_VALUE) {
/* '/' terminated, so add the '*' and pop it when we finish */
char *eop = strchr(thedir->dirname, '\0');
eop[0] = '*';
eop[1] = '\0';
thedir->dirhand = FindFirstFileA(thedir->dirname,
thedir->n.entry);
eop[0] = '\0';
if (thedir->dirhand == INVALID_HANDLE_VALUE) {
return apr_get_os_error();
}
thedir->bof = 1;
return APR_SUCCESS;
}
else if (thedir->bof) {
/* Noop - we already called FindFirstFileW from
* either apr_dir_open or apr_dir_rewind ... use
* that first record.
*/
thedir->bof = 0;
}
else if (!FindNextFile(thedir->dirhand, thedir->n.entry)) {
return apr_get_os_error();
}
while (thedir->rootlen &&
thedir->rootlen + strlen(thedir->n.entry->cFileName) >= MAX_PATH)
{
if (!FindNextFileW(thedir->dirhand, thedir->w.entry)) {
return apr_get_os_error();
}
}
fname = thedir->n.entry->cFileName;
}
#endif
fillin_fileinfo(finfo, (WIN32_FILE_ATTRIBUTE_DATA *) thedir->w.entry,
0, wanted);
finfo->pool = thedir->pool;
finfo->valid |= APR_FINFO_NAME;
finfo->name = fname;
if (wanted &= ~finfo->valid) {
/* Go back and get more_info if we can't answer the whole inquiry
*/
#if APR_HAS_UNICODE_FS
IF_WIN_OS_IS_UNICODE
{
/* Almost all our work is done. Tack on the wide file name
* to the end of the wdirname (already / delimited)
*/
if (!eos)
eos = wcschr(wdirname, '\0');
wcscpy(eos, thedir->w.entry->cFileName);
rv = more_finfo(finfo, wdirname, wanted, MORE_OF_WFSPEC);
eos[0] = '\0';
return rv;
}
#endif
#if APR_HAS_ANSI_FS
ELSE_WIN_OS_IS_ANSI
{
#if APR_HAS_UNICODE_FS
/* Don't waste stack space on a second buffer, the one we set
* aside for the wide directory name is twice what we need.
*/
char *fspec = (char*)wdirname;
#else
char fspec[APR_PATH_MAX];
#endif
apr_size_t dirlen = strlen(thedir->dirname);
if (dirlen >= sizeof(fspec))
dirlen = sizeof(fspec) - 1;
apr_cpystrn(fspec, thedir->dirname, sizeof(fspec));
apr_cpystrn(fspec + dirlen, fname, sizeof(fspec) - dirlen);
return more_finfo(finfo, fspec, wanted, MORE_OF_FSPEC);
}
#endif
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_dir_rewind(apr_dir_t *dir)
{
apr_status_t rv;
/* this will mark the handle as invalid and we'll open it
* again if apr_dir_read() is subsequently called
*/
rv = dir_cleanup(dir);
if (rv == APR_SUCCESS)
rv = apr_dir_read(NULL, 0, dir);
return rv;
}
APR_DECLARE(apr_status_t) apr_dir_make(const char *path, apr_fileperms_t perm,
apr_pool_t *pool)
{
#if APR_HAS_UNICODE_FS
IF_WIN_OS_IS_UNICODE
{
apr_wchar_t wpath[APR_PATH_MAX];
apr_status_t rv;
if (rv = utf8_to_unicode_path(wpath, sizeof(wpath)
/ sizeof(apr_wchar_t), path)) {
return rv;
}
if (!CreateDirectoryW(wpath, NULL)) {
return apr_get_os_error();
}
}
#endif
#if APR_HAS_ANSI_FS
ELSE_WIN_OS_IS_ANSI
if (!CreateDirectory(path, NULL)) {
return apr_get_os_error();
}
#endif
return APR_SUCCESS;
}
static apr_status_t dir_make_parent(char *path,
apr_fileperms_t perm,
apr_pool_t *pool)
{
apr_status_t rv;
char *ch = strrchr(path, '\\');
if (!ch) {
return APR_ENOENT;
}
*ch = '\0';
rv = apr_dir_make (path, perm, pool); /* Try to make straight off */
if (APR_STATUS_IS_ENOENT(rv)) { /* Missing an intermediate dir */
rv = dir_make_parent(path, perm, pool);
if (rv == APR_SUCCESS) {
rv = apr_dir_make (path, perm, pool); /* And complete the path */
}
}
*ch = '\\'; /* Always replace the slash before returning */
return rv;
}
APR_DECLARE(apr_status_t) apr_dir_make_recursive(const char *path,
apr_fileperms_t perm,
apr_pool_t *pool)
{
apr_status_t rv = 0;
rv = apr_dir_make (path, perm, pool); /* Try to make PATH right out */
if (APR_STATUS_IS_EEXIST(rv)) /* It's OK if PATH exists */
return APR_SUCCESS;
if (APR_STATUS_IS_ENOENT(rv)) { /* Missing an intermediate dir */
char *dir;
rv = apr_filepath_merge(&dir, "", path, APR_FILEPATH_NATIVE, pool);
if (rv == APR_SUCCESS)
rv = dir_make_parent(dir, perm, pool); /* Make intermediate dirs */
if (rv == APR_SUCCESS)
rv = apr_dir_make (dir, perm, pool); /* And complete the path */
}
return rv;
}
APR_DECLARE(apr_status_t) apr_dir_remove(const char *path, apr_pool_t *pool)
{
#if APR_HAS_UNICODE_FS
IF_WIN_OS_IS_UNICODE
{
apr_wchar_t wpath[APR_PATH_MAX];
apr_status_t rv;
if (rv = utf8_to_unicode_path(wpath, sizeof(wpath)
/ sizeof(apr_wchar_t), path)) {
return rv;
}
if (!RemoveDirectoryW(wpath)) {
return apr_get_os_error();
}
}
#endif
#if APR_HAS_ANSI_FS
ELSE_WIN_OS_IS_ANSI
if (!RemoveDirectory(path)) {
return apr_get_os_error();
}
#endif
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_os_dir_get(apr_os_dir_t **thedir,
apr_dir_t *dir)
{
if (dir == NULL) {
return APR_ENODIR;
}
*thedir = dir->dirhand;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_os_dir_put(apr_dir_t **dir,
apr_os_dir_t *thedir,
apr_pool_t *pool)
{
return APR_ENOTIMPL;
}