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https://github.com/Atmosphere-NX/Atmosphere-libs.git
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b0a0754ce6
* Fix compiler warning when service string is exactly 8 characters * Use sizeof * Silence warning via compiler directive
114 lines
4.0 KiB
C++
114 lines
4.0 KiB
C++
/*
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* Copyright (c) 2018-2019 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 "mitm_query_service.hpp"
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#include "sm_mitm.h"
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#include "mitm_session.hpp"
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#include "../utilities.hpp"
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void RegisterMitmServerQueryHandle(Handle query_h, ServiceObjectHolder &&service);
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template <typename T, auto MakeShared>
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class MitmServer : public IWaitable {
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static_assert(std::is_base_of<IMitmServiceObject, T>::value, "MitM Service Objects must derive from IMitmServiceObject");
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private:
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Handle port_handle;
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unsigned int max_sessions;
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char mitm_name[9];
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public:
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MitmServer(const char *service_name, unsigned int max_s) : port_handle(0), max_sessions(max_s) {
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Handle query_h = 0;
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wstringop-truncation"
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DoWithSmMitmSession([&]() {
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strncpy(mitm_name, service_name, 8);
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mitm_name[8] = '\x00';
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if (R_FAILED(smMitMInstall(&this->port_handle, &query_h, mitm_name))) {
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std::abort();
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}
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});
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#pragma GCC diagnostic pop
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RegisterMitmServerQueryHandle(query_h, std::move(ServiceObjectHolder(std::move(std::make_shared<MitmQueryService<T>>()))));
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}
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virtual ~MitmServer() override {
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if (this->port_handle) {
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DoWithSmMitmSession([&]() {
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if (R_FAILED(smMitMUninstall(this->mitm_name))) {
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std::abort();
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}
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});
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svcCloseHandle(port_handle);
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}
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}
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SessionManagerBase *GetSessionManager() {
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return static_cast<SessionManagerBase *>(this->GetManager());
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}
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/* IWaitable */
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virtual Handle GetHandle() override {
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return this->port_handle;
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}
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virtual Result HandleSignaled(u64 timeout) override {
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/* If this server's port was signaled, accept a new session. */
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Handle session_h;
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Result rc = svcAcceptSession(&session_h, this->port_handle);
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if (R_FAILED(rc)) {
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return rc;
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}
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/* Create a forward service for this instance. */
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std::shared_ptr<Service> forward_service(new Service(), [](Service *s) {
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/* Custom deleter to ensure service is open as long as necessary. */
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serviceClose(s);
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delete s;
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});
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u64 client_pid;
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DoWithSmMitmSession([&]() {
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if (R_FAILED(smMitMAcknowledgeSession(forward_service.get(), &client_pid, mitm_name))) {
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std::abort();
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}
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});
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this->GetSessionManager()->AddWaitable(new MitmSession(session_h, client_pid, forward_service, MakeShared(forward_service, client_pid)));
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return ResultSuccess;
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}
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};
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template<typename T>
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struct MakeSharedMitmHelper {
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static constexpr std::shared_ptr<T> Make(std::shared_ptr<Service> forward_srv, u64 client_pid) {
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return std::make_shared<T>(forward_srv, client_pid);
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}
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};
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template<typename T, auto MakeShared = MakeSharedMitmHelper<T>::Make>
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static void AddMitmServerToManager(SessionManagerBase *manager, const char *srv_name, unsigned int max_sessions) {
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auto *srv = new MitmServer<T, MakeShared>(srv_name, max_sessions);
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manager->AddWaitable(srv);
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}
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