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mkdir: Use FilePermissionsMask to handle mode option

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Xavier Defrang 2021-12-25 11:40:38 +01:00 • committed by Brian Gianforcaro
parent 005b0f7384
commit b17fef5133
2 changed files with 17 additions and 13 deletions
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4
Base/usr/share/man/man1/mkdir.md
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@ -15,13 +15,15 @@ Create a new empty directory for each of the given *directories*.
## Options
* `-p`, `--parents`: Create parent directories if they don't exist
* `-m`, `--mode`: Sets the permissions for the final directory (possibly altered by the process umask). The mode argument must be given in octal format.
* `-m`, `--mode`: Sets the permissions for the final directory (possibly altered by the process umask). The mode argument can be given in any of the formats
accepted by the chmod(1) command. Addition and removal of permissions is relative to a default permission of 0777.
## Examples
```sh
$ mkdir -p /tmp/foo/bar
$ mkdir -m 0700 /tmp/owner-only
$ mkdir -m a=rx /tmp/foo/bar
```
## See also

26
Userland/Utilities/mkdir.cpp
View file

@ -1,14 +1,15 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021, Xavier Defrang <xavier.defrang@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/LexicalPath.h>
#include <AK/StringBuilder.h>
#include <AK/StringUtils.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/FilePermissionsMask.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <errno.h>
@ -25,19 +26,19 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
Core::ArgsParser args_parser;
args_parser.add_option(create_parents, "Create parent directories if they don't exist", "parents", 'p');
args_parser.add_option(mode_string, "Set new directory permissions", "mode", 'm', "octal-mode");
args_parser.add_option(mode_string, "Set new directory permissions", "mode", 'm', "mode");
args_parser.add_positional_argument(directories, "Directories to create", "directories");
args_parser.parse(arguments);
mode_t default_mode = 0755;
mode_t mode = default_mode;
mode_t const default_mode = 0755;
mode_t const mask_reference_mode = 0777;
if (!mode_string.is_empty()) {
mode = AK::StringUtils::convert_to_uint_from_octal<u16>(mode_string).value_or(01000);
if (mode > 0777) {
warnln("mkdir: invalid mode: {}", mode_string);
return 1;
}
Core::FilePermissionsMask mask;
if (mode_string.is_empty()) {
mask.assign_permissions(default_mode);
} else {
mask = TRY(Core::FilePermissionsMask::parse(mode_string));
}
bool has_errors = false;
@ -45,7 +46,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
for (auto& directory : directories) {
LexicalPath lexical_path(directory);
if (!create_parents) {
if (mkdir(lexical_path.string().characters(), mode) < 0) {
if (mkdir(lexical_path.string().characters(), mask.apply(mask_reference_mode)) < 0) {
perror("mkdir");
has_errors = true;
}
@ -73,8 +74,9 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
}
bool is_final = (idx == (num_parts - 1));
mode_t mode = is_final ? mask.apply(mask_reference_mode) : default_mode;
if (mkdir(path.characters(), is_final ? mode : default_mode) < 0) {
if (mkdir(path.characters(), mode) < 0) {
perror("mkdir");
has_errors = true;
break;