Atmosphere/stratosphere/ams_mitm/source/set_mitm/setsys_mitm_service.hpp

/*
 * Copyright (c) 2018-2019 Atmosphère-NX
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once
#include <switch.h>
#include <stratosphere.hpp>

#include "setsys_shim.h"

class SetSysMitmService : public IMitmServiceObject {
    private:
        enum class CommandId {
            GetFirmwareVersion       = 3,
            GetFirmwareVersion2      = 4,
            GetSettingsItemValueSize = 37,
            GetSettingsItemValue     = 38,

            /* Commands for which set:sys *must* act as a passthrough. */
            /* TODO: Solve the relevant IPC detection problem. */
            GetEdid = 41,
        };
    public:
        SetSysMitmService(std::shared_ptr<Service> s, u64 pid) : IMitmServiceObject(s, pid) {
            /* ... */
        }

        static bool ShouldMitm(u64 pid, sts::ncm::TitleId tid) {
            /* Mitm everything. */
            return true;
        }

        static void PostProcess(IMitmServiceObject *obj, IpcResponseContext *ctx);

    protected:
        /* Overridden commands. */
        Result GetFirmwareVersion(OutPointerWithServerSize<SetSysFirmwareVersion, 0x1> out);
        Result GetFirmwareVersion2(OutPointerWithServerSize<SetSysFirmwareVersion, 0x1> out);
        Result GetSettingsItemValueSize(Out<u64> out_size, InPointer<char> name, InPointer<char> key);
        Result GetSettingsItemValue(Out<u64> out_size, OutBuffer<u8> out_value, InPointer<char> name, InPointer<char> key);

        /* Forced passthrough commands. */
        Result GetEdid(OutPointerWithServerSize<SetSysEdid, 0x1> out);
    public:
        DEFINE_SERVICE_DISPATCH_TABLE {
            MAKE_SERVICE_COMMAND_META(SetSysMitmService, GetFirmwareVersion),
            MAKE_SERVICE_COMMAND_META(SetSysMitmService, GetFirmwareVersion2),
            MAKE_SERVICE_COMMAND_META(SetSysMitmService, GetSettingsItemValueSize),
            MAKE_SERVICE_COMMAND_META(SetSysMitmService, GetSettingsItemValue),

            MAKE_SERVICE_COMMAND_META(SetSysMitmService, GetEdid),
        };
};