mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 21:12:43 +00:00
a28aa8e6c1
This gets rid of a couple ad-hoc instances of DeprecatedString and makes it more trivial to use the fallible function Core::System::getgrnam() in place of LibC's getgrnam().
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/ArgsParser.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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#include <grp.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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TRY(Core::System::pledge("stdio rpath chown"));
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StringView gid_arg;
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StringView path {};
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bool dont_follow_symlinks = false;
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Core::ArgsParser args_parser;
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args_parser.set_general_help("Change the owning group for a file or directory.");
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args_parser.add_option(dont_follow_symlinks, "Don't follow symlinks", "no-dereference", 'h');
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args_parser.add_positional_argument(gid_arg, "Group ID", "gid");
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args_parser.add_positional_argument(path, "Path to file", "path");
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args_parser.parse(arguments);
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gid_t new_gid = -1;
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if (gid_arg.is_empty()) {
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warnln("Empty gid option");
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return 1;
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}
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auto number = gid_arg.to_uint();
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if (number.has_value()) {
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new_gid = number.value();
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} else {
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auto group = TRY(Core::System::getgrnam(gid_arg));
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if (!group.has_value()) {
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warnln("Unknown group '{}'", gid_arg);
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return 1;
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}
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new_gid = group->gr_gid;
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}
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if (dont_follow_symlinks) {
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TRY(Core::System::lchown(path, -1, new_gid));
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} else {
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TRY(Core::System::chown(path, -1, new_gid));
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}
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return 0;
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}
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