mirror of
https://github.com/SerenityOS/serenity
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35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, Daniel Bertalan <dani@danielbertalan.dev>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/StringView.h>
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#include <Kernel/FileSystem/VirtualFileSystem.h>
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#include <Kernel/Tasks/Process.h>
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namespace Kernel {
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ErrorOr<FlatPtr> Process::sys$chmod(Userspace<Syscall::SC_chmod_params const*> user_params)
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{
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VERIFY_NO_PROCESS_BIG_LOCK(this);
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TRY(require_promise(Pledge::fattr));
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auto params = TRY(copy_typed_from_user(user_params));
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auto path = TRY(get_syscall_path_argument(params.path));
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auto base = TRY(custody_for_dirfd(params.dirfd));
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TRY(VirtualFileSystem::the().chmod(credentials(), path->view(), params.mode, *base, params.follow_symlinks ? 0 : O_NOFOLLOW_NOERROR));
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return 0;
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}
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ErrorOr<FlatPtr> Process::sys$fchmod(int fd, mode_t mode)
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{
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VERIFY_NO_PROCESS_BIG_LOCK(this);
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TRY(require_promise(Pledge::fattr));
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auto description = TRY(open_file_description(fd));
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TRY(description->chmod(credentials(), mode));
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return 0;
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}
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}
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