232 lines
8.7 KiB
C
232 lines
8.7 KiB
C
/*
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* This file is part of Luma3DS
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* Copyright (C) 2016-2020 Aurora Wright, TuxSH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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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* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
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* * Requiring preservation of specified reasonable legal notices or
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* author attributions in that material or in the Appropriate Legal
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* Notices displayed by works containing it.
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* * Prohibiting misrepresentation of the origin of that material,
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* or requiring that modified versions of such material be marked in
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* reasonable ways as different from the original version.
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*/
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#include <string.h>
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#include "svc/SendSyncRequest.h"
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#include "ipc.h"
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Result SendSyncRequestHook(Handle handle)
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{
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KProcessHandleTable *handleTable = handleTableOfProcess(currentCoreContext->objectContext.currentProcess);
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KClientSession *clientSession = (KClientSession *)KProcessHandleTable__ToKAutoObject(handleTable, handle);
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u32 *cmdbuf = (u32 *)((u8 *)currentCoreContext->objectContext.currentThread->threadLocalStorage + 0x80);
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bool skip = false;
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Result res = 0;
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// not the exact same test but it should work
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bool isValidClientSession = clientSession != NULL && strcmp(classNameOfAutoObject(&clientSession->syncObject.autoObject), "KClientSession") == 0;
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if(isValidClientSession)
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{
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switch (cmdbuf[0])
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{
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case 0x10042:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && kernelVersion >= SYSTEM_VERSION(2, 39, 4) && strcmp(info->name, "srv:pm") == 0)
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{
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res = doPublishToProcessHook(handle, cmdbuf);
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skip = true;
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}
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else if(info != NULL && strcmp(info->name, "ndm:u") == 0 && hasStartedRosalinaNetworkFuncsOnce)
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{
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cmdbuf[0] = 0x10040;
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cmdbuf[1] = 0;
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skip = true;
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}
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break;
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}
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case 0x10082:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && (strcmp(info->name, "cfg:u") == 0 || strcmp(info->name, "cfg:s") == 0 || strcmp(info->name, "cfg:i") == 0)) // GetConfigInfoBlk2
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skip = doLangEmu(&res, cmdbuf);
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break;
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}
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case 0x10800:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && strcmp(info->name, "err:f") == 0) // Throw
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skip = doErrfThrowHook(cmdbuf);
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break;
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}
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case 0x20000:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && (strcmp(info->name, "cfg:u") == 0 || strcmp(info->name, "cfg:s") == 0 || strcmp(info->name, "cfg:i") == 0)) // SecureInfoGetRegion
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skip = doLangEmu(&res, cmdbuf);
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break;
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}
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case 0x20002:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && strcmp(info->name, "ndm:u") == 0 && hasStartedRosalinaNetworkFuncsOnce)
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{
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cmdbuf[0] = 0x20040;
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cmdbuf[1] = 0;
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skip = true;
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}
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break;
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}
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case 0x50100:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && (strcmp(info->name, "srv:") == 0 || (kernelVersion < SYSTEM_VERSION(2, 39, 4) && strcmp(info->name, "srv:pm") == 0)))
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{
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char name[9] = { 0 };
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memcpy(name, cmdbuf + 1, 8);
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skip = true;
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res = SendSyncRequest(handle);
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if(res == 0)
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{
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KClientSession *outClientSession;
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outClientSession = (KClientSession *)KProcessHandleTable__ToKAutoObject(handleTable, (Handle)cmdbuf[3]);
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if(outClientSession != NULL)
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{
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if(strcmp(classNameOfAutoObject(&outClientSession->syncObject.autoObject), "KClientSession") == 0)
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SessionInfo_Add(outClientSession->parentSession, name);
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outClientSession->syncObject.autoObject.vtable->DecrementReferenceCount(&outClientSession->syncObject.autoObject);
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}
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}
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}
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break;
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}
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case 0x80040:
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{
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if(!hasStartedRosalinaNetworkFuncsOnce)
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break;
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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skip = info != NULL && strcmp(info->name, "ndm:u") == 0; // SuspendScheduler
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if(skip)
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cmdbuf[1] = 0;
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break;
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}
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case 0x90000:
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{
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if(!hasStartedRosalinaNetworkFuncsOnce)
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break;
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && strcmp(info->name, "ndm:u") == 0) // ResumeScheduler
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{
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cmdbuf[0] = 0x90040;
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cmdbuf[1] = 0;
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skip = true;
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}
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break;
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}
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case 0x4010042:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && kernelVersion < SYSTEM_VERSION(2, 39, 4) && strcmp(info->name, "srv:pm") == 0)
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{
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res = doPublishToProcessHook(handle, cmdbuf);
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skip = true;
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}
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break;
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}
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case 0x4010082:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && (strcmp(info->name, "cfg:s") == 0 || strcmp(info->name, "cfg:i") == 0)) // GetConfigInfoBlk4
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skip = doLangEmu(&res, cmdbuf);
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break;
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}
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case 0x4020082:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && (strcmp(info->name, "cfg:s") == 0 || strcmp(info->name, "cfg:i") == 0)) // GetConfigInfoBlk8
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skip = doLangEmu(&res, cmdbuf);
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break;
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}
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case 0x8010082:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && (strcmp(info->name, "cfg:s") == 0 || strcmp(info->name, "cfg:i") == 0)) // GetConfigInfoBlk4
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skip = doLangEmu(&res, cmdbuf);
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break;
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}
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case 0x8020082:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession);
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if(info != NULL && strcmp(info->name, "cfg:i") == 0) // GetConfigInfoBlk8
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skip = doLangEmu(&res, cmdbuf);
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break;
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}
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case 0x4060000:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession); // SecureInfoGetRegion
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if(info != NULL && (strcmp(info->name, "cfg:s") == 0 || strcmp(info->name, "cfg:i") == 0))
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skip = doLangEmu(&res, cmdbuf);
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break;
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}
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case 0x8160000:
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{
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SessionInfo *info = SessionInfo_Lookup(clientSession->parentSession); // SecureInfoGetRegion
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if(info != NULL && strcmp(info->name, "cfg:i") == 0)
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skip = doLangEmu(&res, cmdbuf);
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break;
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}
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}
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}
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if(clientSession != NULL)
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clientSession->syncObject.autoObject.vtable->DecrementReferenceCount(&clientSession->syncObject.autoObject);
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res = skip ? res : SendSyncRequest(handle);
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return res;
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}
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