mirror of
https://github.com/LadybirdBrowser/ladybird.git
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f86b671de2
Move away from using the group ID/user ID helpers in the process to allow for us to take advantage of the immutable credentials instead.
72 lines
3.8 KiB
C++
72 lines
3.8 KiB
C++
/*
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* Copyright (c) 2021, sin-ack <sin-ack@protonmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/FileSystem/ProcFS.h>
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#include <Kernel/Process.h>
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namespace Kernel {
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UserID Process::ProcessProcFSTraits::owner_user() const
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{
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auto process = m_process.strong_ref();
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if (!process)
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return 0;
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auto credentials = process->credentials();
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return credentials->uid();
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}
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GroupID Process::ProcessProcFSTraits::owner_group() const
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{
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auto process = m_process.strong_ref();
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if (!process)
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return 0;
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auto credentials = process->credentials();
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return credentials->gid();
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}
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InodeIndex Process::ProcessProcFSTraits::component_index() const
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{
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auto process = m_process.strong_ref();
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if (!process)
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return {};
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return SegmentedProcFSIndex::build_segmented_index_for_pid_directory(process->pid());
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}
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ErrorOr<NonnullLockRefPtr<Inode>> Process::ProcessProcFSTraits::to_inode(ProcFS const& procfs_instance) const
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{
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auto process = m_process.strong_ref();
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if (!process)
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return ESRCH;
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return TRY(ProcFSProcessDirectoryInode::try_create(procfs_instance, process->pid()));
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}
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ErrorOr<void> Process::ProcessProcFSTraits::traverse_as_directory(FileSystemID fsid, Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)> callback) const
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{
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auto process = m_process.strong_ref();
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if (!process)
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return ESRCH;
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TRY(callback({ "."sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_pid_directory(process->pid()) }, DT_DIR }));
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TRY(callback({ ".."sv, { fsid, ProcFSComponentRegistry::the().root_directory().component_index() }, DT_DIR }));
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TRY(callback({ "fd"sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_sub_directory(process->pid(), SegmentedProcFSIndex::ProcessSubDirectory::OpenFileDescriptions) }, DT_DIR }));
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TRY(callback({ "stacks"sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_sub_directory(process->pid(), SegmentedProcFSIndex::ProcessSubDirectory::Stacks) }, DT_DIR }));
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TRY(callback({ "children"sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_sub_directory(process->pid(), SegmentedProcFSIndex::ProcessSubDirectory::Children) }, DT_DIR }));
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TRY(callback({ "unveil"sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_main_property_in_pid_directory(process->pid(), SegmentedProcFSIndex::MainProcessProperty::Unveil) }, DT_REG }));
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TRY(callback({ "pledge"sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_main_property_in_pid_directory(process->pid(), SegmentedProcFSIndex::MainProcessProperty::Pledge) }, DT_REG }));
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TRY(callback({ "fds"sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_main_property_in_pid_directory(process->pid(), SegmentedProcFSIndex::MainProcessProperty::OpenFileDescriptions) }, DT_DIR }));
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TRY(callback({ "exe"sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_main_property_in_pid_directory(process->pid(), SegmentedProcFSIndex::MainProcessProperty::BinaryLink) }, DT_LNK }));
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TRY(callback({ "cwd"sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_main_property_in_pid_directory(process->pid(), SegmentedProcFSIndex::MainProcessProperty::CurrentWorkDirectoryLink) }, DT_LNK }));
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TRY(callback({ "perf_events"sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_main_property_in_pid_directory(process->pid(), SegmentedProcFSIndex::MainProcessProperty::PerformanceEvents) }, DT_REG }));
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TRY(callback({ "vm"sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_main_property_in_pid_directory(process->pid(), SegmentedProcFSIndex::MainProcessProperty::VirtualMemoryStats) }, DT_REG }));
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TRY(callback({ "cmdline"sv, { fsid, SegmentedProcFSIndex::build_segmented_index_for_main_property_in_pid_directory(process->pid(), SegmentedProcFSIndex::MainProcessProperty::CommandLine) }, DT_REG }));
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return {};
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}
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}
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