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25 lines
805 B
C++
25 lines
805 B
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 <AK/StringView.h>
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#include <Kernel/FileSystem/VirtualFileSystem.h>
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#include <Kernel/Process.h>
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namespace Kernel {
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KResultOr<FlatPtr> Process::sys$mknod(Userspace<const Syscall::SC_mknod_params*> user_params)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(dpath);
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Syscall::SC_mknod_params params;
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TRY(copy_from_user(¶ms, user_params));
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if (!is_superuser() && !is_regular_file(params.mode) && !is_fifo(params.mode) && !is_socket(params.mode))
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return EPERM;
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auto path = TRY(get_syscall_path_argument(params.path));
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return VirtualFileSystem::the().mknod(path->view(), params.mode & ~umask(), params.dev, current_directory());
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}
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}
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