ladybird/Userland/Utilities/chgrp.cpp
2023-06-26 19:26:20 +02:00

62 lines
1.7 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ArgsParser.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <grp.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("stdio rpath chown"));
StringView gid_arg;
Vector<StringView> paths;
bool dont_follow_symlinks = false;
Core::ArgsParser args_parser;
args_parser.set_general_help("Change the owning group for files or directories.");
args_parser.add_option(dont_follow_symlinks, "Don't follow symlinks", "no-dereference", 'h');
args_parser.add_positional_argument(gid_arg, "Group ID", "gid");
args_parser.add_positional_argument(paths, "Paths to files", "paths");
args_parser.parse(arguments);
gid_t new_gid = -1;
if (gid_arg.is_empty()) {
warnln("Empty gid option");
return 1;
}
auto number = gid_arg.to_uint();
if (number.has_value()) {
new_gid = number.value();
} else {
auto group = TRY(Core::System::getgrnam(gid_arg));
if (!group.has_value()) {
warnln("Unknown group '{}'", gid_arg);
return 1;
}
new_gid = group->gr_gid;
}
auto has_errors = false;
for (auto path : paths) {
ErrorOr<void> maybe_error;
if (dont_follow_symlinks)
maybe_error = Core::System::lchown(path, -1, new_gid);
else
maybe_error = Core::System::chown(path, -1, new_gid);
if (maybe_error.is_error()) {
has_errors = true;
warnln("Changing group of '{}'. {}", path, maybe_error.release_error());
}
}
return has_errors ? 1 : 0;
}