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36 lines
1.2 KiB
C++
36 lines
1.2 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 <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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ErrorOr<FlatPtr> Process::sys$link(Userspace<Syscall::SC_link_params const*> user_params)
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{
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VERIFY_NO_PROCESS_BIG_LOCK(this)
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TRY(require_promise(Pledge::cpath));
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auto params = TRY(copy_typed_from_user(user_params));
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auto old_path = TRY(try_copy_kstring_from_user(params.old_path));
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auto new_path = TRY(try_copy_kstring_from_user(params.new_path));
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TRY(VirtualFileSystem::the().link(old_path->view(), new_path->view(), current_directory()));
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return 0;
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}
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ErrorOr<FlatPtr> Process::sys$symlink(Userspace<Syscall::SC_symlink_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::cpath));
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auto params = TRY(copy_typed_from_user(user_params));
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auto target = TRY(get_syscall_path_argument(params.target));
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auto linkpath = TRY(get_syscall_path_argument(params.linkpath));
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TRY(VirtualFileSystem::the().symlink(target->view(), linkpath->view(), current_directory()));
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return 0;
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}
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}
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