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1123af361d
This API now returns a KResultOr<NonnullOwnPtr<KString>> and allocation failures should be propagated everywhere nicely. :^)
28 lines
824 B
C++
28 lines
824 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<int> Process::sys$mknod(Userspace<const Syscall::SC_mknod_params*> user_params)
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{
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REQUIRE_PROMISE(dpath);
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Syscall::SC_mknod_params params;
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if (!copy_from_user(¶ms, user_params))
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return EFAULT;
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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 = get_syscall_path_argument(params.path);
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if (path.is_error())
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return path.error();
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return VFS::the().mknod(path.value()->view(), params.mode & ~umask(), params.dev, current_directory());
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}
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}
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