mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-30 14:16:02 +00:00
339 lines
No EOL
12 KiB
C++
339 lines
No EOL
12 KiB
C++
/*
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* Copyright (c) 2018 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <switch.h>
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#include <algorithm>
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#include <cstdio>
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#include <cstring>
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#include <functional>
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#include "ldr_registration.hpp"
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#include "ldr_nro.hpp"
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static Registration::List g_registration_list = {0};
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static u64 g_num_registered = 1;
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Registration::Process *Registration::GetFreeProcess() {
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auto process_it = std::find_if_not(g_registration_list.processes.begin(), g_registration_list.processes.end(), std::mem_fn(&Registration::Process::in_use));
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if (process_it == g_registration_list.processes.end()) {
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return nullptr;
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}
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return &*process_it;
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}
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Registration::Process *Registration::GetProcess(u64 index) {
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for (unsigned int i = 0; i < REGISTRATION_LIST_MAX; i++) {
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if (g_registration_list.processes[i].in_use && g_registration_list.processes[i].index == index) {
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return &g_registration_list.processes[i];
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}
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}
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return NULL;
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}
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Registration::Process *Registration::GetProcessByProcessId(u64 pid) {
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for (unsigned int i = 0; i < REGISTRATION_LIST_MAX; i++) {
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if (g_registration_list.processes[i].in_use && g_registration_list.processes[i].process_id == pid) {
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return &g_registration_list.processes[i];
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}
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}
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return NULL;
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}
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Registration::Process *Registration::GetProcessByRoService(void *service) {
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for (unsigned int i = 0; i < REGISTRATION_LIST_MAX; i++) {
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if (g_registration_list.processes[i].in_use && g_registration_list.processes[i].owner_ro_service == service) {
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return &g_registration_list.processes[i];
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}
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}
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return NULL;
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}
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bool Registration::RegisterTidSid(const TidSid *tid_sid, u64 *out_index) {
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Registration::Process *free_process = GetFreeProcess();
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if (free_process == NULL) {
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return false;
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}
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/* Reset the process. */
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*free_process = {0};
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free_process->tid_sid = *tid_sid;
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free_process->in_use = true;
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free_process->index = g_num_registered++;
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*out_index = free_process->index;
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return true;
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}
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bool Registration::UnregisterIndex(u64 index) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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return false;
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}
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/* Reset the process. */
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*target_process = {0};
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return true;
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}
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Result Registration::GetRegisteredTidSid(u64 index, Registration::TidSid *out) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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return 0x1009;
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}
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*out = target_process->tid_sid;
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return 0;
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}
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void Registration::SetProcessIdTidAndIs64BitAddressSpace(u64 index, u64 process_id, u64 tid, bool is_64_bit_addspace) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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return;
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}
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target_process->process_id = process_id;
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target_process->title_id = tid;
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target_process->is_64_bit_addspace = is_64_bit_addspace;
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}
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void Registration::AddNsoInfo(u64 index, u64 base_address, u64 size, const unsigned char *build_id) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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return;
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}
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auto nso_info_it = std::find_if_not(target_process->nso_infos.begin(), target_process->nso_infos.end(), std::mem_fn(&Registration::NsoInfoHolder::in_use));
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if (nso_info_it != target_process->nso_infos.end()) {
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nso_info_it->info.base_address = base_address;
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nso_info_it->info.size = size;
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std::copy(build_id, build_id + sizeof(nso_info_it->info.build_id), nso_info_it->info.build_id);
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nso_info_it->in_use = true;
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}
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}
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void Registration::CloseRoService(void *service, Handle process_h) {
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Registration::Process *target_process = GetProcessByRoService(service);
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if (target_process == NULL) {
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return;
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}
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for (unsigned int i = 0; i < NRR_INFO_MAX; i++) {
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if (target_process->nrr_infos[i].IsActive() && target_process->nrr_infos[i].process_handle == process_h) {
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target_process->nrr_infos[i].Close();
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}
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}
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target_process->owner_ro_service = NULL;
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}
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Result Registration::AddNrrInfo(u64 index, MappedCodeMemory *nrr_info) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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/* TODO: panic() */
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return 0x7009;
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}
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auto nrr_info_it = std::find_if_not(target_process->nrr_infos.begin(), target_process->nrr_infos.end(), std::mem_fn(&MappedCodeMemory::IsActive));
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if (nrr_info_it == target_process->nrr_infos.end()) {
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return 0x7009;
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}
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*nrr_info_it = *nrr_info;
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return 0;
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}
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Result Registration::RemoveNrrInfo(u64 index, u64 base_address) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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/* Despite the fact that this should really be a panic condition, Nintendo returns 0x1009 in this case. */
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return 0x1009;
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}
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for (unsigned int i = 0; i < NRR_INFO_MAX; i++) {
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if (target_process->nrr_infos[i].IsActive() && target_process->nrr_infos[i].base_address == base_address) {
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target_process->nrr_infos[i].Close();
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return 0;
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}
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}
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return 0xAA09;
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}
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bool Registration::IsNroHashPresent(u64 index, u8 *nro_hash) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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/* TODO: panic */
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return false;
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}
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for (unsigned int i = 0; i < NRR_INFO_MAX; i++) {
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if (target_process->nrr_infos[i].IsActive()) {
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NroUtils::NrrHeader *nrr = (NroUtils::NrrHeader *)target_process->nrr_infos[i].mapped_address;
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/* Binary search. */
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int low = 0, high = (int)(nrr->num_hashes - 1);
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while (low <= high) {
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int mid = (low + high) / 2;
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u8 *hash_in_nrr = (u8 *)nrr + nrr->hash_offset + 0x20 * mid;
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int ret = std::memcmp(hash_in_nrr, nro_hash, 0x20);
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if (ret == 0) {
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return true;
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} else if (ret > 0) {
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high = mid - 1;
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} else {
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low = mid + 1;
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}
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}
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}
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}
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return false;
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}
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bool Registration::IsNroAlreadyLoaded(u64 index, u8 *build_id) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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/* TODO: panic */
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return true;
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}
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for (unsigned int i = 0; i < NRO_INFO_MAX; i++) {
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if (target_process->nro_infos[i].in_use && std::equal(build_id, build_id + 0x20, target_process->nro_infos[i].build_id)) {
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return true;
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}
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}
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return false;
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}
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void Registration::AddNroToProcess(u64 index, MappedCodeMemory *nro, MappedCodeMemory *bss, u32 text_size, u32 ro_size, u32 rw_size, u8 *build_id) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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/* TODO: panic */
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return;
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}
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auto nro_info_it = std::find_if_not(target_process->nro_infos.begin(), target_process->nro_infos.end(), std::mem_fn(&Registration::NroInfo::in_use));
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if (nro_info_it != target_process->nro_infos.end()) {
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nro_info_it->base_address = nro->code_memory_address;
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nro_info_it->nro_heap_address = nro->base_address;
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nro_info_it->nro_heap_size = nro->size;
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nro_info_it->bss_heap_address = bss->base_address;
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nro_info_it->bss_heap_size = bss->size;
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nro_info_it->text_size = text_size;
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nro_info_it->ro_size = ro_size;
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nro_info_it->rw_size = rw_size;
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std::copy(build_id, build_id + sizeof(nro_info_it->build_id), nro_info_it->build_id);
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nro_info_it->in_use = true;
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}
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}
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Result Registration::RemoveNroInfo(u64 index, Handle process_h, u64 nro_heap_address) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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return 0xA809;
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}
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for (unsigned int i = 0; i < NRO_INFO_MAX; i++) {
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if (target_process->nro_infos[i].in_use && target_process->nro_infos[i].nro_heap_address == nro_heap_address) {
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NroInfo *info = &target_process->nro_infos[i];
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Result rc = svcUnmapProcessCodeMemory(process_h, info->base_address + info->text_size + info->ro_size + info->rw_size, info->bss_heap_address, info->bss_heap_size);
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if (R_SUCCEEDED(rc)) {
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rc = svcUnmapProcessCodeMemory(process_h, info->base_address + info->text_size + info->ro_size, nro_heap_address + info->text_size + info->ro_size, info->rw_size);
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if (R_SUCCEEDED(rc)) {
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rc = svcUnmapProcessCodeMemory(process_h, info->base_address, nro_heap_address, info->text_size + info->ro_size);
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}
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}
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target_process->nro_infos[i] = (const NroInfo ){0};
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return rc;
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}
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}
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return 0xA809;
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}
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Result Registration::GetNsoInfosForProcessId(Registration::NsoInfo *out, u32 max_out, u64 process_id, u32 *num_written) {
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Registration::Process *target_process = GetProcessByProcessId(process_id);
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if (target_process == NULL) {
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return 0x1009;
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}
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u32 cur = 0;
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for (unsigned int i = 0; i < NSO_INFO_MAX && cur < max_out; i++) {
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if (target_process->nso_infos[i].in_use) {
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out[cur++] = target_process->nso_infos[i].info;
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}
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}
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*num_written = cur;
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return 0;
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}
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void Registration::AssociatePidTidForMitM(u64 index) {
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Registration::Process *target_process = GetProcess(index);
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if (target_process == NULL) {
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return;
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}
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Handle sm_hnd;
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Result rc = svcConnectToNamedPort(&sm_hnd, "sm:");
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if (R_SUCCEEDED(rc)) {
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/* Initialize. */
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{
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IpcCommand c;
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ipcInitialize(&c);
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ipcSendPid(&c);
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struct {
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u64 magic;
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u64 cmd_id;
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u64 zero;
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u64 reserved[2];
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} *raw = (decltype(raw))ipcPrepareHeader(&c, sizeof(*raw));
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raw->magic = SFCI_MAGIC;
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raw->cmd_id = 0;
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raw->zero = 0;
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rc = ipcDispatch(sm_hnd);
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if (R_SUCCEEDED(rc)) {
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IpcParsedCommand r;
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ipcParse(&r);
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struct {
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u64 magic;
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u64 result;
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} *resp = (decltype(resp))r.Raw;
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rc = resp->result;
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}
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}
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/* Associate. */
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if (R_SUCCEEDED(rc)) {
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IpcCommand c;
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ipcInitialize(&c);
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struct {
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u64 magic;
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u64 cmd_id;
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u64 process_id;
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u64 title_id;
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} *raw = (decltype(raw))ipcPrepareHeader(&c, sizeof(*raw));
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raw->magic = SFCI_MAGIC;
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raw->cmd_id = 65002;
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raw->process_id = target_process->process_id;
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raw->title_id = target_process->tid_sid.title_id;
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ipcDispatch(sm_hnd);
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}
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svcCloseHandle(sm_hnd);
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}
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} |