mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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246 lines
10 KiB
C++
246 lines
10 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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#pragma once
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#include <switch.h>
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#include <stratosphere.hpp>
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#include "imitmserviceobject.hpp"
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#include "mitm_query_service.hpp"
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#include "mitm_server.hpp"
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#include "fsmitm_worker.hpp"
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#include "debug.hpp"
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template <typename T>
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class MitMServer;
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template <typename T>
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class MitMSession final : public ISession<T> {
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static_assert(std::is_base_of<IMitMServiceObject, T>::value, "MitM Service Objects must derive from IMitMServiceObject");
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/* This will be for the actual session. */
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Service forward_service;
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IpcParsedCommand cur_out_r;
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u32 mitm_domain_id = 0;
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bool got_first_message;
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public:
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MitMSession<T>(MitMServer<T> *s, Handle s_h, Handle c_h, const char *srv) : ISession<T>(s, s_h, c_h, NULL, 0), got_first_message(false) {
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this->server = s;
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this->server_handle = s_h;
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this->client_handle = c_h;
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if (R_FAILED(smMitMGetService(&forward_service, srv))) {
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/* TODO: Panic. */
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}
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size_t pointer_buffer_size = 0;
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if (R_FAILED(ipcQueryPointerBufferSize(forward_service.handle, &pointer_buffer_size))) {
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/* TODO: Panic. */
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}
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this->service_object = std::make_shared<T>(&forward_service);
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this->pointer_buffer.resize(pointer_buffer_size);
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}
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MitMSession<T>(MitMServer<T> *s, Handle s_h, Handle c_h, Handle f_h) : ISession<T>(s, s_h, c_h, NULL, 0), got_first_message(true) {
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this->server = s;
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this->server_handle = s_h;
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this->client_handle = c_h;
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serviceCreate(&this->forward_service, f_h);
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size_t pointer_buffer_size = 0;
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if (R_FAILED(ipcQueryPointerBufferSize(forward_service.handle, &pointer_buffer_size))) {
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/* TODO: Panic. */
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}
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this->service_object = std::make_shared<T>(&forward_service);
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this->pointer_buffer.resize(pointer_buffer_size);
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}
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virtual ~MitMSession() {
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serviceClose(&forward_service);
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}
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Result handle_message(IpcParsedCommand &r) override {
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IpcCommand c;
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ipcInitialize(&c);
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u64 cmd_id = ((u32 *)r.Raw)[2];
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Result retval = 0xF601;
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cur_out_r.NumHandles = 0;
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Log(armGetTls(), 0x100);
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u32 *cmdbuf = (u32 *)armGetTls();
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if (r.CommandType == IpcCommandType_Close) {
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Reboot();
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}
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if (r.CommandType == IpcCommandType_Request || r.CommandType == IpcCommandType_RequestWithContext) {
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std::shared_ptr<IServiceObject> obj;
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if (r.IsDomainRequest) {
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obj = this->domain->get_domain_object(r.InThisObjectId);
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if (obj != nullptr && r.InMessageType == DomainMessageType_Close) {
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if (r.InThisObjectId == this->mitm_domain_id) {
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Reboot();
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}
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this->domain->delete_object(r.InThisObjectId);
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struct {
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u64 magic;
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u64 result;
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} *o_resp;
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o_resp = (decltype(o_resp)) ipcPrepareHeaderForDomain(&c, sizeof(*o_resp), 0);
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*(DomainResponseHeader *)((uintptr_t)o_resp - sizeof(DomainResponseHeader)) = {0};
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o_resp->magic = SFCO_MAGIC;
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o_resp->result = 0x0;
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Log(armGetTls(), 0x100);
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return o_resp->result;
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}
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} else {
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obj = this->service_object;
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}
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if (obj != nullptr) {
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retval = obj->dispatch(r, c, cmd_id, (u8 *)this->pointer_buffer.data(), this->pointer_buffer.size());
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if (R_SUCCEEDED(retval)) {
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if (r.IsDomainRequest) {
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/* We never work with out object ids, so this should be fine. */
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ipcParseDomainResponse(&cur_out_r, 0);
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} else {
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ipcParse(&cur_out_r);
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}
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return retval;
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}
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}
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} else if (r.CommandType == IpcCommandType_Control || r.CommandType == IpcCommandType_ControlWithContext) {
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/* Ipc Clone Current Object. */
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retval = serviceIpcDispatch(&forward_service);
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Log(armGetTls(), 0x100);
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if (R_SUCCEEDED(retval)) {
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ipcParse(&cur_out_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))cur_out_r.Raw;
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retval = resp->result;
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if ((cmd_id == IpcCtrl_Cmd_CloneCurrentObject || cmd_id == IpcCtrl_Cmd_CloneCurrentObjectEx)) {
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if (R_SUCCEEDED(retval)) {
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Handle s_h;
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Handle c_h;
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Result rc;
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if (R_FAILED((rc = svcCreateSession(&s_h, &c_h, 0, 0)))) {
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fatalSimple(rc);
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}
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if (cur_out_r.NumHandles != 1) {
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Reboot();
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}
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MitMSession<T> *new_sess = new MitMSession<T>((MitMServer<T> *)this->server, s_h, c_h, cur_out_r.Handles[0]);
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new_sess->service_object = this->service_object;
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if (this->is_domain) {
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new_sess->is_domain = true;
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new_sess->domain = this->domain;
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new_sess->mitm_domain_id = this->mitm_domain_id;
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new_sess->forward_service.type = this->forward_service.type;
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new_sess->forward_service.object_id = this->forward_service.object_id;
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}
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this->get_manager()->add_waitable(new_sess);
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ipcSendHandleMove(&c, c_h);
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struct {
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u64 magic;
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u64 result;
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} *o_resp;
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o_resp = (decltype(o_resp)) ipcPrepareHeader(&c, sizeof(*o_resp));
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o_resp->magic = SFCO_MAGIC;
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o_resp->result = 0x0;
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}
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}
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}
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Log(armGetTls(), 0x100);
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return retval;
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}
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/* 0xF601 --> Dispatch onwards. */
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if (retval == 0xF601) {
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/* Patch PID Descriptor, if relevant. */
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if (r.HasPid) {
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/* [ctrl 0] [ctrl 1] [handle desc 0] [pid low] [pid high] */
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cmdbuf[4] = 0xFFFE0000UL | (cmdbuf[4] & 0xFFFFUL);
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}
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Log(armGetTls(), 0x100);
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retval = serviceIpcDispatch(&forward_service);
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if (R_SUCCEEDED(retval)) {
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if (r.IsDomainRequest) {
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/* We never work with out object ids, so this should be fine. */
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ipcParseDomainResponse(&cur_out_r, 0);
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} else {
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ipcParse(&cur_out_r);
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}
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struct {
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u64 magic;
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u64 result;
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} *resp = (decltype(resp))cur_out_r.Raw;
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retval = resp->result;
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}
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}
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Log(armGetTls(), 0x100);
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Log(&cmd_id, sizeof(u64));
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u64 retval_for_log = retval;
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Log(&retval_for_log, sizeof(u64));
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if (R_FAILED(retval)) {
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//Reboot();
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}
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return retval;
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}
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void postprocess(IpcParsedCommand &r, u64 cmd_id) override {
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if (this->active_object == this->service_object && (r.CommandType == IpcCommandType_Request || r.CommandType == IpcCommandType_RequestWithContext)) {
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IpcCommand c;
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ipcInitialize(&c);
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this->service_object->postprocess(cur_out_r, c, cmd_id, (u8 *)this->pointer_buffer.data(), this->pointer_buffer.size());
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} else if (r.CommandType == IpcCommandType_Control || r.CommandType == IpcCommandType_ControlWithContext) {
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if (cmd_id == IpcCtrl_Cmd_ConvertCurrentObjectToDomain) {
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this->is_domain = true;
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this->domain = std::make_shared<DomainOwner>();
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struct {
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u64 magic;
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u64 result;
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u32 domain_id;
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} *resp = (decltype(resp))cur_out_r.Raw;
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Result rc;
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if (R_FAILED((rc = this->domain->set_object(this->service_object, resp->domain_id)))) {
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fatalSimple(rc);
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}
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this->mitm_domain_id = resp->domain_id;
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this->forward_service.type = ServiceType_Domain;
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this->forward_service.object_id = resp->domain_id;
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}
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}
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}
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void cleanup() override {
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/* Clean up copy handles. */
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for (unsigned int i = 0; i < cur_out_r.NumHandles; i++) {
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if (cur_out_r.WasHandleCopied[i]) {
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svcCloseHandle(cur_out_r.Handles[i]);
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}
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}
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}
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};
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