ro: add separate ro service
Liam
parent
5feda37688
commit
7ba4a8f4a3
@ -0,0 +1,709 @@
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <mbedtls/sha256.h>
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#include "common/scope_exit.h"
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#include "core/hle/kernel/k_process.h"
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#include "core/hle/service/ipc_helpers.h"
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#include "core/hle/service/ro/ro.h"
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#include "core/hle/service/ro/ro_nro_utils.h"
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#include "core/hle/service/ro/ro_results.h"
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#include "core/hle/service/ro/ro_types.h"
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#include "core/hle/service/server_manager.h"
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#include "core/hle/service/service.h"
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namespace Service::RO {
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namespace {
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// Convenience definitions.
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constexpr size_t MaxSessions = 0x3;
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constexpr size_t MaxNrrInfos = 0x40;
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constexpr size_t MaxNroInfos = 0x40;
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constexpr u64 InvalidProcessId = 0xffffffffffffffffULL;
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constexpr u64 InvalidContextId = 0xffffffffffffffffULL;
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// Types.
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using Sha256Hash = std::array<u8, 32>;
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struct NroInfo {
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u64 base_address;
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u64 nro_heap_address;
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u64 nro_heap_size;
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u64 bss_heap_address;
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u64 bss_heap_size;
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u64 code_size;
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u64 rw_size;
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ModuleId module_id;
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};
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struct NrrInfo {
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u64 nrr_heap_address;
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u64 nrr_heap_size;
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// Verification.
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std::vector<Sha256Hash> hashes;
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};
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struct ProcessContext {
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constexpr ProcessContext() = default;
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void Initialize(Kernel::KProcess* process, u64 process_id) {
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ASSERT(!m_in_use);
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m_nro_in_use = {};
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m_nrr_in_use = {};
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m_nro_infos = {};
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m_nrr_infos = {};
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m_process = process;
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m_process_id = process_id;
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m_in_use = true;
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if (m_process) {
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m_process->Open();
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}
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}
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void Finalize() {
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ASSERT(m_in_use);
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if (m_process) {
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m_process->Close();
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}
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m_nro_in_use = {};
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m_nrr_in_use = {};
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m_nro_infos = {};
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m_nrr_infos = {};
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m_process = nullptr;
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m_process_id = InvalidProcessId;
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m_in_use = false;
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}
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Kernel::KProcess* GetProcess() const {
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return m_process;
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}
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u64 GetProcessId() const {
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return m_process_id;
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}
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bool IsFree() const {
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return !m_in_use;
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}
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u64 GetProgramId(Kernel::KProcess* other_process) const {
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// Automatically select a handle, allowing for override.
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if (other_process) {
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return other_process->GetProgramId();
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} else if (m_process) {
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return m_process->GetProgramId();
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} else {
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return 0;
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}
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}
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Result GetNrrInfoByAddress(NrrInfo** out, u64 nrr_heap_address) {
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for (size_t i = 0; i < MaxNrrInfos; i++) {
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if (m_nrr_in_use[i] && m_nrr_infos[i].nrr_heap_address == nrr_heap_address) {
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if (out != nullptr) {
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*out = std::addressof(m_nrr_infos[i]);
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}
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R_SUCCEED();
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}
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}
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R_THROW(RO::ResultNotRegistered);
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}
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Result GetFreeNrrInfo(NrrInfo** out) {
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for (size_t i = 0; i < MaxNrrInfos; i++) {
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if (!m_nrr_in_use[i]) {
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if (out != nullptr) {
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*out = std::addressof(m_nrr_infos[i]);
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}
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R_SUCCEED();
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}
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}
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R_THROW(RO::ResultTooManyNrr);
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}
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Result GetNroInfoByAddress(NroInfo** out, u64 nro_address) {
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for (size_t i = 0; i < MaxNroInfos; i++) {
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if (m_nro_in_use[i] && m_nro_infos[i].base_address == nro_address) {
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if (out != nullptr) {
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*out = std::addressof(m_nro_infos[i]);
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}
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R_SUCCEED();
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}
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}
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R_THROW(RO::ResultNotLoaded);
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}
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Result GetNroInfoByModuleId(NroInfo** out, const ModuleId* module_id) {
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for (size_t i = 0; i < MaxNroInfos; i++) {
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if (m_nro_in_use[i] && std::memcmp(std::addressof(m_nro_infos[i].module_id), module_id,
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sizeof(*module_id)) == 0) {
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if (out != nullptr) {
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*out = std::addressof(m_nro_infos[i]);
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}
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R_SUCCEED();
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}
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}
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R_THROW(RO::ResultNotLoaded);
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}
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Result GetFreeNroInfo(NroInfo** out) {
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for (size_t i = 0; i < MaxNroInfos; i++) {
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if (!m_nro_in_use[i]) {
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if (out != nullptr) {
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*out = std::addressof(m_nro_infos[i]);
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}
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R_SUCCEED();
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}
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}
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R_THROW(RO::ResultTooManyNro);
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}
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Result ValidateHasNroHash(u64 base_address, const NroHeader* nro_header) const {
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// Calculate hash.
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Sha256Hash hash;
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{
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const u64 size = nro_header->GetSize();
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std::vector<u8> nro_data(size);
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m_process->GetMemory().ReadBlock(base_address, nro_data.data(), size);
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mbedtls_sha256_ret(nro_data.data(), size, hash.data(), 0);
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}
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for (size_t i = 0; i < MaxNrrInfos; i++) {
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// Ensure we only check NRRs that are used.
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if (!m_nrr_in_use[i]) {
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continue;
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}
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// Locate the hash within the hash list.
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const auto hash_it = std::ranges::find(m_nrr_infos[i].hashes, hash);
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if (hash_it == m_nrr_infos[i].hashes.end()) {
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continue;
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}
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// The hash is valid!
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R_SUCCEED();
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}
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R_THROW(RO::ResultNotAuthorized);
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}
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Result ValidateNro(ModuleId* out_module_id, u64* out_rx_size, u64* out_ro_size,
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u64* out_rw_size, u64 base_address, u64 expected_nro_size,
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u64 expected_bss_size) {
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// Ensure we have a process to work on.
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R_UNLESS(m_process != nullptr, RO::ResultInvalidProcess);
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// Read the NRO header.
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NroHeader header{};
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m_process->GetMemory().ReadBlock(base_address, std::addressof(header), sizeof(header));
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// Validate header.
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R_UNLESS(header.IsMagicValid(), RO::ResultInvalidNro);
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// Read sizes from header.
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const u64 nro_size = header.GetSize();
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const u64 text_ofs = header.GetTextOffset();
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const u64 text_size = header.GetTextSize();
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const u64 ro_ofs = header.GetRoOffset();
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const u64 ro_size = header.GetRoSize();
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const u64 rw_ofs = header.GetRwOffset();
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const u64 rw_size = header.GetRwSize();
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const u64 bss_size = header.GetBssSize();
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// Validate sizes meet expected.
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R_UNLESS(nro_size == expected_nro_size, RO::ResultInvalidNro);
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R_UNLESS(bss_size == expected_bss_size, RO::ResultInvalidNro);
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// Validate all sizes are aligned.
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R_UNLESS(Common::IsAligned(text_size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidNro);
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R_UNLESS(Common::IsAligned(ro_size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidNro);
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R_UNLESS(Common::IsAligned(rw_size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidNro);
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R_UNLESS(Common::IsAligned(bss_size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidNro);
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// Validate sections are in order.
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R_UNLESS(text_ofs <= ro_ofs, RO::ResultInvalidNro);
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R_UNLESS(ro_ofs <= rw_ofs, RO::ResultInvalidNro);
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// Validate sections are sequential and contiguous.
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R_UNLESS(text_ofs == 0, RO::ResultInvalidNro);
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R_UNLESS(text_ofs + text_size == ro_ofs, RO::ResultInvalidNro);
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R_UNLESS(ro_ofs + ro_size == rw_ofs, RO::ResultInvalidNro);
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R_UNLESS(rw_ofs + rw_size == nro_size, RO::ResultInvalidNro);
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// Verify NRO hash.
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R_TRY(this->ValidateHasNroHash(base_address, std::addressof(header)));
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// Check if NRO has already been loaded.
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const ModuleId* module_id = header.GetModuleId();
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R_UNLESS(R_FAILED(this->GetNroInfoByModuleId(nullptr, module_id)), RO::ResultAlreadyLoaded);
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// Apply patches to NRO.
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// LocateAndApplyIpsPatchesToModule(module_id, static_cast<u8*>(mapped_memory), nro_size);
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// Copy to output.
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*out_module_id = *module_id;
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*out_rx_size = text_size;
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*out_ro_size = ro_size;
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*out_rw_size = rw_size;
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R_SUCCEED();
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}
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void SetNrrInfoInUse(const NrrInfo* info, bool in_use) {
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ASSERT(std::addressof(m_nrr_infos[0]) <= info &&
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info <= std::addressof(m_nrr_infos[MaxNrrInfos - 1]));
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const size_t index = info - std::addressof(m_nrr_infos[0]);
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m_nrr_in_use[index] = in_use;
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}
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void SetNroInfoInUse(const NroInfo* info, bool in_use) {
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ASSERT(std::addressof(m_nro_infos[0]) <= info &&
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info <= std::addressof(m_nro_infos[MaxNroInfos - 1]));
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const size_t index = info - std::addressof(m_nro_infos[0]);
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m_nro_in_use[index] = in_use;
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}
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private:
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std::array<bool, MaxNroInfos> m_nro_in_use{};
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std::array<bool, MaxNrrInfos> m_nrr_in_use{};
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std::array<NroInfo, MaxNroInfos> m_nro_infos{};
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std::array<NrrInfo, MaxNrrInfos> m_nrr_infos{};
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Kernel::KProcess* m_process{};
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u64 m_process_id{InvalidProcessId};
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bool m_in_use{};
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};
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Result ValidateAddressAndNonZeroSize(u64 address, u64 size) {
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R_UNLESS(Common::IsAligned(address, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidAddress);
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R_UNLESS(size != 0, RO::ResultInvalidSize);
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R_UNLESS(Common::IsAligned(size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidSize);
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R_UNLESS(address < address + size, RO::ResultInvalidSize);
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R_SUCCEED();
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}
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Result ValidateAddressAndSize(u64 address, u64 size) {
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R_UNLESS(Common::IsAligned(address, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidAddress);
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R_UNLESS(Common::IsAligned(size, Core::Memory::YUZU_PAGESIZE), RO::ResultInvalidSize);
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R_UNLESS(size == 0 || address < address + size, RO::ResultInvalidSize);
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R_SUCCEED();
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}
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class RoContext {
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public:
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explicit RoContext() = default;
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Result RegisterProcess(size_t* out_context_id, Kernel::KProcess* process, u64 process_id) {
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// Validate process id.
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R_UNLESS(process->GetProcessId() == process_id, RO::ResultInvalidProcess);
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// Check if a process context already exists.
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R_UNLESS(this->GetContextByProcessId(process_id) == nullptr, RO::ResultInvalidSession);
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// Allocate a context to manage the process handle.
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*out_context_id = this->AllocateContext(process, process_id);
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R_SUCCEED();
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}
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Result ValidateProcess(size_t context_id, u64 process_id) {
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const ProcessContext* ctx = this->GetContextById(context_id);
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R_UNLESS(ctx != nullptr, RO::ResultInvalidProcess);
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R_UNLESS(ctx->GetProcessId() == process_id, RO::ResultInvalidProcess);
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R_SUCCEED();
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}
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void UnregisterProcess(size_t context_id) {
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this->FreeContext(context_id);
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}
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Result RegisterModuleInfo(size_t context_id, u64 nrr_address, u64 nrr_size, NrrKind nrr_kind,
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bool enforce_nrr_kind) {
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// Get context.
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ProcessContext* context = this->GetContextById(context_id);
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ASSERT(context != nullptr);
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// Validate address/size.
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R_TRY(ValidateAddressAndNonZeroSize(nrr_address, nrr_size));
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// Check we have space for a new NRR.
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NrrInfo* nrr_info = nullptr;
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R_TRY(context->GetFreeNrrInfo(std::addressof(nrr_info)));
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// Ensure we have a valid process to read from.
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Kernel::KProcess* process = context->GetProcess();
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R_UNLESS(process != nullptr, RO::ResultInvalidProcess);
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// Read NRR.
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NrrHeader header{};
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process->GetMemory().ReadBlock(nrr_address, std::addressof(header), sizeof(header));
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// Set NRR info.
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context->SetNrrInfoInUse(nrr_info, true);
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nrr_info->nrr_heap_address = nrr_address;
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nrr_info->nrr_heap_size = nrr_size;
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// Read NRR hash list.
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nrr_info->hashes.resize(header.GetNumHashes());
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process->GetMemory().ReadBlock(nrr_address + header.GetHashesOffset(),
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nrr_info->hashes.data(),
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sizeof(Sha256Hash) * header.GetNumHashes());
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R_SUCCEED();
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}
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Result UnregisterModuleInfo(size_t context_id, u64 nrr_address) {
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// Get context.
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ProcessContext* context = this->GetContextById(context_id);
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ASSERT(context != nullptr);
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// Validate address.
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R_UNLESS(Common::IsAligned(nrr_address, Core::Memory::YUZU_PAGESIZE),
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RO::ResultInvalidAddress);
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// Check the NRR is loaded.
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NrrInfo* nrr_info = nullptr;
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R_TRY(context->GetNrrInfoByAddress(std::addressof(nrr_info), nrr_address));
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// Nintendo does this unconditionally, whether or not the actual unmap succeeds.
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context->SetNrrInfoInUse(nrr_info, false);
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*nrr_info = {};
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R_SUCCEED();
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}
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Result MapManualLoadModuleMemory(u64* out_address, size_t context_id, u64 nro_address,
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u64 nro_size, u64 bss_address, u64 bss_size) {
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// Get context.
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ProcessContext* context = this->GetContextById(context_id);
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ASSERT(context != nullptr);
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// Validate address/size.
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R_TRY(ValidateAddressAndNonZeroSize(nro_address, nro_size));
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R_TRY(ValidateAddressAndSize(bss_address, bss_size));
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const u64 total_size = nro_size + bss_size;
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R_UNLESS(total_size >= nro_size, RO::ResultInvalidSize);
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R_UNLESS(total_size >= bss_size, RO::ResultInvalidSize);
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// Check we have space for a new NRO.
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NroInfo* nro_info = nullptr;
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R_TRY(context->GetFreeNroInfo(std::addressof(nro_info)));
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nro_info->nro_heap_address = nro_address;
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nro_info->nro_heap_size = nro_size;
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nro_info->bss_heap_address = bss_address;
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nro_info->bss_heap_size = bss_size;
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// Map the NRO.
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R_TRY(MapNro(std::addressof(nro_info->base_address), context->GetProcess(), nro_address,
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nro_size, bss_address, bss_size, generate_random));
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ON_RESULT_FAILURE {
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UnmapNro(context->GetProcess(), nro_info->base_address, nro_address, nro_size,
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bss_address, bss_size);
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};
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// Validate the NRO (parsing region extents).
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u64 rx_size = 0, ro_size = 0, rw_size = 0;
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R_TRY(context->ValidateNro(std::addressof(nro_info->module_id), std::addressof(rx_size),
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std::addressof(ro_size), std::addressof(rw_size),
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nro_info->base_address, nro_size, bss_size));
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// Set NRO perms.
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R_TRY(SetNroPerms(context->GetProcess(), nro_info->base_address, rx_size, ro_size,
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rw_size + bss_size));
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context->SetNroInfoInUse(nro_info, true);
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nro_info->code_size = rx_size + ro_size;
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nro_info->rw_size = rw_size;
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*out_address = nro_info->base_address;
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R_SUCCEED();
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}
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Result UnmapManualLoadModuleMemory(size_t context_id, u64 nro_address) {
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// Get context.
|
||||
ProcessContext* context = this->GetContextById(context_id);
|
||||
ASSERT(context != nullptr);
|
||||
|
||||
// Validate address.
|
||||
R_UNLESS(Common::IsAligned(nro_address, Core::Memory::YUZU_PAGESIZE),
|
||||
RO::ResultInvalidAddress);
|
||||
|
||||
// Check the NRO is loaded.
|
||||
NroInfo* nro_info = nullptr;
|
||||
R_TRY(context->GetNroInfoByAddress(std::addressof(nro_info), nro_address));
|
||||
|
||||
// Unmap.
|
||||
const NroInfo nro_backup = *nro_info;
|
||||
{
|
||||
// Nintendo does this unconditionally, whether or not the actual unmap succeeds.
|
||||
context->SetNroInfoInUse(nro_info, false);
|
||||
std::memset(nro_info, 0, sizeof(*nro_info));
|
||||
}
|
||||
R_RETURN(UnmapNro(context->GetProcess(), nro_backup.base_address,
|
||||
nro_backup.nro_heap_address, nro_backup.code_size + nro_backup.rw_size,
|
||||
nro_backup.bss_heap_address, nro_backup.bss_heap_size));
|
||||
}
|
||||
|
||||
private:
|
||||
std::array<ProcessContext, MaxSessions> process_contexts;
|
||||
std::mt19937_64 generate_random;
|
||||
|
||||
// Context Helpers.
|
||||
ProcessContext* GetContextById(size_t context_id) {
|
||||
if (context_id == InvalidContextId) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
ASSERT(context_id < process_contexts.size());
|
||||
return std::addressof(process_contexts[context_id]);
|
||||
}
|
||||
|
||||
ProcessContext* GetContextByProcessId(u64 process_id) {
|
||||
for (size_t i = 0; i < MaxSessions; i++) {
|
||||
if (process_contexts[i].GetProcessId() == process_id) {
|
||||
return std::addressof(process_contexts[i]);
|
||||
}
|
||||
}
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
size_t AllocateContext(Kernel::KProcess* process, u64 process_id) {
|
||||
// Find a free process context.
|
||||
for (size_t i = 0; i < MaxSessions; i++) {
|
||||
ProcessContext* context = std::addressof(process_contexts[i]);
|
||||
|
||||
if (context->IsFree()) {
|
||||
context->Initialize(process, process_id);
|
||||
return i;
|
||||
}
|
||||
}
|
||||
|
||||
// Failure to find a free context is actually an abort condition.
|
||||
UNREACHABLE();
|
||||
}
|
||||
|
||||
void FreeContext(size_t context_id) {
|
||||
if (ProcessContext* context = GetContextById(context_id); context != nullptr) {
|
||||
context->Finalize();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
class RoInterface {
|
||||
public:
|
||||
explicit RoInterface(std::shared_ptr<RoContext> ro, NrrKind nrr_kind)
|
||||
: m_ro(ro), m_context_id(InvalidContextId), m_nrr_kind(nrr_kind) {}
|
||||
~RoInterface() {
|
||||
m_ro->UnregisterProcess(m_context_id);
|
||||
}
|
||||
|
||||
Result MapManualLoadModuleMemory(u64* out_load_address, u64 client_pid, u64 nro_address,
|
||||
u64 nro_size, u64 bss_address, u64 bss_size) {
|
||||
R_TRY(m_ro->ValidateProcess(m_context_id, client_pid));
|
||||
R_RETURN(m_ro->MapManualLoadModuleMemory(out_load_address, m_context_id, nro_address,
|
||||
nro_size, bss_address, bss_size));
|
||||
}
|
||||
|
||||
Result UnmapManualLoadModuleMemory(u64 client_pid, u64 nro_address) {
|
||||
R_TRY(m_ro->ValidateProcess(m_context_id, client_pid));
|
||||
R_RETURN(m_ro->UnmapManualLoadModuleMemory(m_context_id, nro_address));
|
||||
}
|
||||
|
||||
Result RegisterModuleInfo(u64 client_pid, u64 nrr_address, u64 nrr_size) {
|
||||
R_TRY(m_ro->ValidateProcess(m_context_id, client_pid));
|
||||
R_RETURN(
|
||||
m_ro->RegisterModuleInfo(m_context_id, nrr_address, nrr_size, NrrKind::User, true));
|
||||
}
|
||||
|
||||
Result UnregisterModuleInfo(u64 client_pid, u64 nrr_address) {
|
||||
R_TRY(m_ro->ValidateProcess(m_context_id, client_pid));
|
||||
R_RETURN(m_ro->UnregisterModuleInfo(m_context_id, nrr_address));
|
||||
}
|
||||
|
||||
Result RegisterProcessHandle(u64 client_pid, Kernel::KProcess* process) {
|
||||
// Register the process.
|
||||
R_RETURN(m_ro->RegisterProcess(std::addressof(m_context_id), process, client_pid));
|
||||
}
|
||||
|
||||
Result RegisterProcessModuleInfo(u64 client_pid, u64 nrr_address, u64 nrr_size,
|
||||
Kernel::KProcess* process) {
|
||||
// Validate the process.
|
||||
R_TRY(m_ro->ValidateProcess(m_context_id, client_pid));
|
||||
|
||||
// Register the module.
|
||||
R_RETURN(m_ro->RegisterModuleInfo(m_context_id, nrr_address, nrr_size, m_nrr_kind,
|
||||
m_nrr_kind == NrrKind::JitPlugin));
|
||||
}
|
||||
|
||||
private:
|
||||
std::shared_ptr<RoContext> m_ro{};
|
||||
size_t m_context_id{};
|
||||
NrrKind m_nrr_kind{};
|
||||
};
|
||||
|
||||
class IRoInterface : public ServiceFramework<IRoInterface> {
|
||||
public:
|
||||
explicit IRoInterface(Core::System& system_, const char* name_, std::shared_ptr<RoContext> ro,
|
||||
NrrKind nrr_kind)
|
||||
: ServiceFramework{system_, name_}, interface {
|
||||
ro, nrr_kind
|
||||
} {
|
||||
// clang-format off
|
||||
static const FunctionInfo functions[] = {
|
||||
{0, &IRoInterface::MapManualLoadModuleMemory, "MapManualLoadModuleMemory"},
|
||||
{1, &IRoInterface::UnmapManualLoadModuleMemory, "UnmapManualLoadModuleMemory"},
|
||||
{2, &IRoInterface::RegisterModuleInfo, "RegisterModuleInfo"},
|
||||
{3, &IRoInterface::UnregisterModuleInfo, "UnregisterModuleInfo"},
|
||||
{4, &IRoInterface::RegisterProcessHandle, "RegisterProcessHandle"},
|
||||
{10, &IRoInterface::RegisterProcessModuleInfo, "RegisterProcessModuleInfo"},
|
||||
};
|
||||
// clang-format on
|
||||
|
||||
RegisterHandlers(functions);
|
||||
}
|
||||
|
||||
private:
|
||||
void MapManualLoadModuleMemory(HLERequestContext& ctx) {
|
||||
LOG_DEBUG(Service_LDR, "(called)");
|
||||
|
||||
struct InputParameters {
|
||||
u64 client_pid;
|
||||
u64 nro_address;
|
||||
u64 nro_size;
|
||||
u64 bss_address;
|
||||
u64 bss_size;
|
||||
};
|
||||
|
||||
IPC::RequestParser rp{ctx};
|
||||
auto params = rp.PopRaw<InputParameters>();
|
||||
|
||||
u64 load_address = 0;
|
||||
auto result = interface.MapManualLoadModuleMemory(&load_address, ctx.GetPID(),
|
||||
params.nro_address, params.nro_size,
|
||||
params.bss_address, params.bss_size);
|
||||
|
||||
IPC::ResponseBuilder rb{ctx, 4};
|
||||
rb.Push(result);
|
||||
rb.Push(load_address);
|
||||
}
|
||||
|
||||
void UnmapManualLoadModuleMemory(HLERequestContext& ctx) {
|
||||
LOG_DEBUG(Service_LDR, "(called)");
|
||||
|
||||
struct InputParameters {
|
||||
u64 client_pid;
|
||||
u64 nro_address;
|
||||
};
|
||||
|
||||
IPC::RequestParser rp{ctx};
|
||||
auto params = rp.PopRaw<InputParameters>();
|
||||
auto result = interface.UnmapManualLoadModuleMemory(ctx.GetPID(), params.nro_address);
|
||||
|
||||
IPC::ResponseBuilder rb{ctx, 2};
|
||||
rb.Push(result);
|
||||
}
|
||||
|
||||
void RegisterModuleInfo(HLERequestContext& ctx) {
|
||||
LOG_DEBUG(Service_LDR, "(called)");
|
||||
|
||||
struct InputParameters {
|
||||
u64 client_pid;
|
||||
u64 nrr_address;
|
||||
u64 nrr_size;
|
||||
};
|
||||
|
||||
IPC::RequestParser rp{ctx};
|
||||
auto params = rp.PopRaw<InputParameters>();
|
||||
auto result =
|
||||
interface.RegisterModuleInfo(ctx.GetPID(), params.nrr_address, params.nrr_size);
|
||||
|
||||
IPC::ResponseBuilder rb{ctx, 2};
|
||||
rb.Push(result);
|
||||
}
|
||||
|
||||
void UnregisterModuleInfo(HLERequestContext& ctx) {
|
||||
LOG_DEBUG(Service_LDR, "(called)");
|
||||
|
||||
struct InputParameters {
|
||||
u64 client_pid;
|
||||
u64 nrr_address;
|
||||
};
|
||||
|
||||
IPC::RequestParser rp{ctx};
|
||||
auto params = rp.PopRaw<InputParameters>();
|
||||
auto result = interface.UnregisterModuleInfo(ctx.GetPID(), params.nrr_address);
|
||||
|
||||
IPC::ResponseBuilder rb{ctx, 2};
|
||||
rb.Push(result);
|
||||
}
|
||||
|
||||
void RegisterProcessHandle(HLERequestContext& ctx) {
|
||||
LOG_DEBUG(Service_LDR, "(called)");
|
||||
|
||||
auto process_h = ctx.GetClientHandleTable().GetObject(ctx.GetCopyHandle(0));
|
||||
auto client_pid = ctx.GetPID();
|
||||
auto result = interface.RegisterProcessHandle(client_pid,
|
||||
process_h->DynamicCast<Kernel::KProcess*>());
|
||||
|
||||
IPC::ResponseBuilder rb{ctx, 2};
|
||||
rb.Push(result);
|
||||
}
|
||||
|
||||
void RegisterProcessModuleInfo(HLERequestContext& ctx) {
|
||||
LOG_DEBUG(Service_LDR, "(called)");
|
||||
|
||||
struct InputParameters {
|
||||
u64 client_pid;
|
||||
u64 nrr_address;
|
||||
u64 nrr_size;
|
||||
};
|
||||
|
||||
IPC::RequestParser rp{ctx};
|
||||
auto params = rp.PopRaw<InputParameters>();
|
||||
auto process_h = ctx.GetClientHandleTable().GetObject(ctx.GetCopyHandle(0));
|
||||
|
||||
auto client_pid = ctx.GetPID();
|
||||
auto result =
|
||||
interface.RegisterProcessModuleInfo(client_pid, params.nrr_address, params.nrr_size,
|
||||
process_h->DynamicCast<Kernel::KProcess*>());
|
||||
|
||||
IPC::ResponseBuilder rb{ctx, 2};
|
||||
rb.Push(result);
|
||||
}
|
||||
|
||||
RoInterface interface;
|
||||
};
|
||||
|
||||
} // namespace
|
||||
|
||||
void LoopProcess(Core::System& system) {
|
||||
auto server_manager = std::make_unique<ServerManager>(system);
|
||||
|
||||
auto ro = std::make_shared<RoContext>();
|
||||
|
||||
const auto RoInterfaceFactoryForUser = [&, ro] {
|
||||
return std::make_shared<IRoInterface>(system, "ldr:ro", ro, NrrKind::User);
|
||||
};
|
||||
|
||||
const auto RoInterfaceFactoryForJitPlugin = [&, ro] {
|
||||
return std::make_shared<IRoInterface>(system, "ro:1", ro, NrrKind::JitPlugin);
|
||||
};
|
||||
|
||||
server_manager->RegisterNamedService("ldr:ro", std::move(RoInterfaceFactoryForUser));
|
||||
server_manager->RegisterNamedService("ro:1", std::move(RoInterfaceFactoryForJitPlugin));
|
||||
|
||||
ServerManager::RunServer(std::move(server_manager));
|
||||
}
|
||||
|
||||
} // namespace Service::RO
|
||||
@ -0,0 +1,14 @@
|
||||
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
|
||||
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||
|
||||
#pragma once
|
||||
|
||||
namespace Core {
|
||||
class System;
|
||||
}
|
||||
|
||||
namespace Service::RO {
|
||||
|
||||
void LoopProcess(Core::System& system);
|
||||
|
||||
} // namespace Service::RO
|
||||
@ -0,0 +1,185 @@
|
||||
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
|
||||
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||
|
||||
#include "core/hle/kernel/k_process.h"
|
||||
#include "core/hle/service/ro/ro_nro_utils.h"
|
||||
#include "core/hle/service/ro/ro_results.h"
|
||||
|
||||
namespace Service::RO {
|
||||
|
||||
namespace {
|
||||
|
||||
struct ProcessMemoryRegion {
|
||||
u64 address;
|
||||
u64 size;
|
||||
};
|
||||
|
||||
size_t GetTotalProcessMemoryRegionSize(const ProcessMemoryRegion* regions, size_t num_regions) {
|
||||
size_t total = 0;
|
||||
|
||||
for (size_t i = 0; i < num_regions; ++i) {
|
||||
total += regions[i].size;
|
||||
}
|
||||
|
||||
return total;
|
||||
}
|
||||
|
||||
size_t SetupNroProcessMemoryRegions(ProcessMemoryRegion* regions, u64 nro_heap_address,
|
||||
u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size) {
|
||||
// Reset region count.
|
||||
size_t num_regions = 0;
|
||||
|
||||
// We always want a region for the nro.
|
||||
regions[num_regions++] = {nro_heap_address, nro_heap_size};
|
||||
|
||||
// If we have bss, create a region for bss.
|
||||
if (bss_heap_size > 0) {
|
||||
regions[num_regions++] = {bss_heap_address, bss_heap_size};
|
||||
}
|
||||
|
||||
return num_regions;
|
||||
}
|
||||
|
||||
Result SetProcessMemoryPermission(Kernel::KProcess* process, u64 address, u64 size,
|
||||
Kernel::Svc::MemoryPermission permission) {
|
||||
auto& page_table = process->GetPageTable();
|
||||
|
||||
// Set permission.
|
||||
R_RETURN(page_table.SetProcessMemoryPermission(address, size, permission));
|
||||
}
|
||||
|
||||
Result UnmapProcessCodeMemory(Kernel::KProcess* process, u64 process_code_address,
|
||||
const ProcessMemoryRegion* regions, size_t num_regions) {
|
||||
// Get the total process memory region size.
|
||||
const size_t total_size = GetTotalProcessMemoryRegionSize(regions, num_regions);
|
||||
|
||||
auto& page_table = process->GetPageTable();
|
||||
|
||||
// Unmap each region in order.
|
||||
size_t cur_offset = total_size;
|
||||
for (size_t i = 0; i < num_regions; ++i) {
|
||||
// We want to unmap in reverse order.
|
||||
const auto& cur_region = regions[num_regions - 1 - i];
|
||||
|
||||
// Subtract to update the current offset.
|
||||
cur_offset -= cur_region.size;
|
||||
|
||||
// Unmap.
|
||||
R_TRY(page_table.UnmapCodeMemory(process_code_address + cur_offset, cur_region.address,
|
||||
cur_region.size));
|
||||
}
|
||||
|
||||
R_SUCCEED();
|
||||
}
|
||||
|
||||
Result EnsureGuardPages(Kernel::KProcessPageTable& page_table, u64 map_address, u64 map_size) {
|
||||
Kernel::KMemoryInfo memory_info;
|
||||
Kernel::Svc::PageInfo page_info;
|
||||
|
||||
// Ensure page before mapping is unmapped.
|
||||
R_TRY(page_table.QueryInfo(std::addressof(memory_info), std::addressof(page_info),
|
||||
map_address - 1));
|
||||
R_UNLESS(memory_info.GetSvcState() == Kernel::Svc::MemoryState::Free,
|
||||
Kernel::ResultInvalidState);
|
||||
|
||||
// Ensure page after mapping is unmapped.
|
||||
R_TRY(page_table.QueryInfo(std::addressof(memory_info), std::addressof(page_info),
|
||||
map_address + map_size));
|
||||
R_UNLESS(memory_info.GetSvcState() == Kernel::Svc::MemoryState::Free,
|
||||
Kernel::ResultInvalidState);
|
||||
|
||||
// Successfully verified guard pages.
|
||||
R_SUCCEED();
|
||||
}
|
||||
|
||||
Result MapProcessCodeMemory(u64* out, Kernel::KProcess* process, const ProcessMemoryRegion* regions,
|
||||
size_t num_regions, std::mt19937_64& generate_random) {
|
||||
auto& page_table = process->GetPageTable();
|
||||
const u64 alias_code_start =
|
||||
GetInteger(page_table.GetAliasCodeRegionStart()) / Kernel::PageSize;
|
||||
const u64 alias_code_size = page_table.GetAliasCodeRegionSize() / Kernel::PageSize;
|
||||
|
||||
for (size_t trial = 0; trial < 64; trial++) {
|
||||
// Generate a new trial address.
|
||||
const u64 mapped_address =
|
||||
(alias_code_start + (generate_random() % alias_code_size)) * Kernel::PageSize;
|
||||
|
||||
const auto MapRegions = [&] {
|
||||
// Map the regions in order.
|
||||
u64 mapped_size = 0;
|
||||
for (size_t i = 0; i < num_regions; ++i) {
|
||||
// If we fail, unmap up to where we've mapped.
|
||||
ON_RESULT_FAILURE {
|
||||
R_ASSERT(UnmapProcessCodeMemory(process, mapped_address, regions, i));
|
||||
};
|
||||
|
||||
// Map the current region.
|
||||
R_TRY(page_table.MapCodeMemory(mapped_address + mapped_size, regions[i].address,
|
||||
regions[i].size));
|
||||
|
||||
mapped_size += regions[i].size;
|
||||
}
|
||||
|
||||
// If we fail, unmap all mapped regions.
|
||||
ON_RESULT_FAILURE {
|
||||
R_ASSERT(UnmapProcessCodeMemory(process, mapped_address, regions, num_regions));
|
||||
};
|
||||
|
||||
// Ensure guard pages.
|
||||
R_RETURN(EnsureGuardPages(page_table, mapped_address, mapped_size));
|
||||
};
|
||||
|
||||
if (R_SUCCEEDED(MapRegions())) {
|
||||
// Set the output address.
|
||||
*out = mapped_address;
|
||||
R_SUCCEED();
|
||||
}
|
||||
}
|
||||
|
||||
// We failed to map anything.
|
||||
R_THROW(RO::ResultOutOfAddressSpace);
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
Result MapNro(u64* out_base_address, Kernel::KProcess* process, u64 nro_heap_address,
|
||||
u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size,
|
||||
std::mt19937_64& generate_random) {
|
||||
// Set up the process memory regions.
|
||||
std::array<ProcessMemoryRegion, 2> regions{};
|
||||
const size_t num_regions = SetupNroProcessMemoryRegions(
|
||||
regions.data(), nro_heap_address, nro_heap_size, bss_heap_address, bss_heap_size);
|
||||
|
||||
// Re-map the nro/bss as code memory in the destination process.
|
||||
R_RETURN(MapProcessCodeMemory(out_base_address, process, regions.data(), num_regions,
|
||||
generate_random));
|
||||
}
|
||||
|
||||
Result SetNroPerms(Kernel::KProcess* process, u64 base_address, u64 rx_size, u64 ro_size,
|
||||
u64 rw_size) {
|
||||
const u64 rx_offset = 0;
|
||||
const u64 ro_offset = rx_offset + rx_size;
|
||||
const u64 rw_offset = ro_offset + ro_size;
|
||||
|
||||
R_TRY(SetProcessMemoryPermission(process, base_address + rx_offset, rx_size,
|
||||
Kernel::Svc::MemoryPermission::ReadExecute));
|
||||
R_TRY(SetProcessMemoryPermission(process, base_address + ro_offset, ro_size,
|
||||
Kernel::Svc::MemoryPermission::Read));
|
||||
R_TRY(SetProcessMemoryPermission(process, base_address + rw_offset, rw_size,
|
||||
Kernel::Svc::MemoryPermission::ReadWrite));
|
||||
|
||||
R_SUCCEED();
|
||||
}
|
||||
|
||||
Result UnmapNro(Kernel::KProcess* process, u64 base_address, u64 nro_heap_address,
|
||||
u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size) {
|
||||
// Set up the process memory regions.
|
||||
std::array<ProcessMemoryRegion, 2> regions{};
|
||||
const size_t num_regions = SetupNroProcessMemoryRegions(
|
||||
regions.data(), nro_heap_address, nro_heap_size, bss_heap_address, bss_heap_size);
|
||||
|
||||
// Unmap the nro/bss.
|
||||
R_RETURN(UnmapProcessCodeMemory(process, base_address, regions.data(), num_regions));
|
||||
}
|
||||
|
||||
} // namespace Service::RO
|
||||
@ -0,0 +1,26 @@
|
||||
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
|
||||
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <random>
|
||||
|
||||
#include "common/common_types.h"
|
||||
|
||||
namespace Kernel {
|
||||
class KProcess;
|
||||
}
|
||||
|
||||
union Result;
|
||||
|
||||
namespace Service::RO {
|
||||
|
||||
Result MapNro(u64* out_base_address, Kernel::KProcess* process, u64 nro_heap_address,
|
||||
u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size,
|
||||
std::mt19937_64& generate_random);
|
||||
Result SetNroPerms(Kernel::KProcess* process, u64 base_address, u64 rx_size, u64 ro_size,
|
||||
u64 rw_size);
|
||||
Result UnmapNro(Kernel::KProcess* process, u64 base_address, u64 nro_heap_address,
|
||||
u64 nro_heap_size, u64 bss_heap_address, u64 bss_heap_size);
|
||||
|
||||
} // namespace Service::RO
|
||||
@ -0,0 +1,24 @@
|
||||
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
|
||||
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||
|
||||
#include "core/hle/result.h"
|
||||
|
||||
namespace Service::RO {
|
||||
|
||||
constexpr Result ResultOutOfAddressSpace{ErrorModule::RO, 2};
|
||||
constexpr Result ResultAlreadyLoaded{ErrorModule::RO, 3};
|
||||
constexpr Result ResultInvalidNro{ErrorModule::RO, 4};
|
||||
constexpr Result ResultInvalidNrr{ErrorModule::RO, 6};
|
||||
constexpr Result ResultTooManyNro{ErrorModule::RO, 7};
|
||||
constexpr Result ResultTooManyNrr{ErrorModule::RO, 8};
|
||||
constexpr Result ResultNotAuthorized{ErrorModule::RO, 9};
|
||||
constexpr Result ResultInvalidNrrKind{ErrorModule::RO, 10};
|
||||
constexpr Result ResultInternalError{ErrorModule::RO, 1023};
|
||||
constexpr Result ResultInvalidAddress{ErrorModule::RO, 1025};
|
||||
constexpr Result ResultInvalidSize{ErrorModule::RO, 1026};
|
||||
constexpr Result ResultNotLoaded{ErrorModule::RO, 1028};
|
||||
constexpr Result ResultNotRegistered{ErrorModule::RO, 1029};
|
||||
constexpr Result ResultInvalidSession{ErrorModule::RO, 1030};
|
||||
constexpr Result ResultInvalidProcess{ErrorModule::RO, 1031};
|
||||
|
||||
} // namespace Service::RO
|
||||
@ -0,0 +1,181 @@
|
||||
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
|
||||
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||
|
||||
#include "common/assert.h"
|
||||
#include "common/common_funcs.h"
|
||||
#include "common/common_types.h"
|
||||
|
||||
namespace Service::RO {
|
||||
|
||||
enum class NrrKind : u8 {
|
||||
User = 0,
|
||||
JitPlugin = 1,
|
||||
Count,
|
||||
};
|
||||
|
||||
static constexpr size_t ModuleIdSize = 0x20;
|
||||
struct ModuleId {
|
||||
std::array<u8, ModuleIdSize> data;
|
||||
};
|
||||
static_assert(sizeof(ModuleId) == ModuleIdSize);
|
||||
|
||||
struct NrrCertification {
|
||||
static constexpr size_t RsaKeySize = 0x100;
|
||||
static constexpr size_t SignedSize = 0x120;
|
||||
|
||||
u64 program_id_mask;
|
||||
u64 program_id_pattern;
|
||||
std::array<u8, 0x10> reserved_10;
|
||||
std::array<u8, RsaKeySize> modulus;
|
||||
std::array<u8, RsaKeySize> signature;
|
||||
};
|
||||
static_assert(sizeof(NrrCertification) ==
|
||||
NrrCertification::RsaKeySize + NrrCertification::SignedSize);
|
||||
|
||||
class NrrHeader {
|
||||
public:
|
||||
static constexpr u32 Magic = Common::MakeMagic('N', 'R', 'R', '0');
|
||||
|
||||
public:
|
||||
bool IsMagicValid() const {
|
||||
return m_magic == Magic;
|
||||
}
|
||||
|
||||
bool IsProgramIdValid() const {
|
||||
return (m_program_id & m_certification.program_id_mask) ==
|
||||
m_certification.program_id_pattern;
|
||||
}
|
||||
|
||||
NrrKind GetNrrKind() const {
|
||||
const NrrKind kind = static_cast<NrrKind>(m_nrr_kind);
|
||||
ASSERT(kind < NrrKind::Count);
|
||||
return kind;
|
||||
}
|
||||
|
||||
u64 GetProgramId() const {
|
||||
return m_program_id;
|
||||
}
|
||||
|
||||
u32 GetSize() const {
|
||||
return m_size;
|
||||
}
|
||||
|
||||
u32 GetNumHashes() const {
|
||||
return m_num_hashes;
|
||||
}
|
||||
|
||||
size_t GetHashesOffset() const {
|
||||
return m_hashes_offset;
|
||||
}
|
||||
|
||||
u32 GetKeyGeneration() const {
|
||||
return m_key_generation;
|
||||
}
|
||||
|
||||
const u8* GetCertificationSignature() const {
|
||||
return m_certification.signature.data();
|
||||
}
|
||||
|
||||
const u8* GetCertificationSignedArea() const {
|
||||
return reinterpret_cast<const u8*>(std::addressof(m_certification));
|
||||
}
|
||||
|
||||
const u8* GetCertificationModulus() const {
|
||||
return m_certification.modulus.data();
|
||||
}
|
||||
|
||||
const u8* GetSignature() const {
|
||||
return m_signature.data();
|
||||
}
|
||||
|
||||
size_t GetSignedAreaSize() const {
|
||||
return m_size - GetSignedAreaOffset();
|
||||
}
|
||||
|
||||
static constexpr size_t GetSignedAreaOffset() {
|
||||
return offsetof(NrrHeader, m_program_id);
|
||||
}
|
||||
|
||||
private:
|
||||
u32 m_magic;
|
||||
u32 m_key_generation;
|
||||
INSERT_PADDING_BYTES_NOINIT(8);
|
||||
NrrCertification m_certification;
|
||||
std::array<u8, 0x100> m_signature;
|
||||
u64 m_program_id;
|
||||
u32 m_size;
|
||||
u8 m_nrr_kind; // 7.0.0+
|
||||
INSERT_PADDING_BYTES_NOINIT(3);
|
||||
u32 m_hashes_offset;
|
||||
u32 m_num_hashes;
|
||||
INSERT_PADDING_BYTES_NOINIT(8);
|
||||
};
|
||||
static_assert(sizeof(NrrHeader) == 0x350, "NrrHeader has wrong size");
|
||||
|
||||
class NroHeader {
|
||||
public:
|
||||
static constexpr u32 Magic = Common::MakeMagic('N', 'R', 'O', '0');
|
||||
|
||||
public:
|
||||
bool IsMagicValid() const {
|
||||
return m_magic == Magic;
|
||||
}
|
||||
|
||||
u32 GetSize() const {
|
||||
return m_size;
|
||||
}
|
||||
|
||||
u32 GetTextOffset() const {
|
||||
return m_text_offset;
|
||||
}
|
||||
|
||||
u32 GetTextSize() const {
|
||||
return m_text_size;
|
||||
}
|
||||
|
||||
u32 GetRoOffset() const {
|
||||
return m_ro_offset;
|
||||
}
|
||||
|
||||
u32 GetRoSize() const {
|
||||
return m_ro_size;
|
||||
}
|
||||
|
||||
u32 GetRwOffset() const {
|
||||
return m_rw_offset;
|
||||
}
|
||||
|
||||
u32 GetRwSize() const {
|
||||
return m_rw_size;
|
||||
}
|
||||
|
||||
u32 GetBssSize() const {
|
||||
return m_bss_size;
|
||||
}
|
||||
|
||||
const ModuleId* GetModuleId() const {
|
||||
return std::addressof(m_module_id);
|
||||
}
|
||||
|
||||
private:
|
||||
u32 m_entrypoint_insn;
|
||||
u32 m_mod_offset;
|
||||
INSERT_PADDING_BYTES_NOINIT(0x8);
|
||||
u32 m_magic;
|
||||
INSERT_PADDING_BYTES_NOINIT(0x4);
|
||||
u32 m_size;
|
||||
INSERT_PADDING_BYTES_NOINIT(0x4);
|
||||
u32 m_text_offset;
|
||||
u32 m_text_size;
|
||||
u32 m_ro_offset;
|
||||
u32 m_ro_size;
|
||||
u32 m_rw_offset;
|
||||
u32 m_rw_size;
|
||||
u32 m_bss_size;
|
||||
INSERT_PADDING_BYTES_NOINIT(0x4);
|
||||
ModuleId m_module_id;
|
||||
INSERT_PADDING_BYTES_NOINIT(0x20);
|
||||
};
|
||||
static_assert(sizeof(NroHeader) == 0x80, "NroHeader has wrong size");
|
||||
|
||||
} // namespace Service::RO
|
||||
Loading…
Reference in New Issue