controller_patcher/source/network/CPTCPServer.cpp

315 lines
13 KiB
C++

/****************************************************************************
* Copyright (C) 2016-2018 Maschell
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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/>.
****************************************************************************/
#include "CPTCPServer.hpp"
#include <malloc.h>
#include <stdio.h>
#include <string.h>
#include <utils/logger.h>
#define wiiu_errno (*__gh_errno_ptr())
CPTCPServer * CPTCPServer::instance = NULL;
CPTCPServer::CPTCPServer(s32 port): TCPServer(port,CPTCPServer::getPriority()) {
CPTCPServer::AttachDetach(DETACH);
}
CPTCPServer::~CPTCPServer() {
CPTCPServer::AttachDetach(DETACH);
}
void CPTCPServer::AttachDetach(s32 attach) {
if(HID_DEBUG) {
if(attach) {
DEBUG_FUNCTION_LINE("Network Attach\n");
} else {
DEBUG_FUNCTION_LINE("Network Detach\n");
}
}
for(s32 i= 0; i< gHIDMaxDevices; i++) {
for(s32 j= 0; j< HID_MAX_PADS_COUNT; j++) {
if(gNetworkController[i][j][NETWORK_CONTROLLER_ACTIVE] > 0) {
DEBUG_FUNCTION_LINE("Found a registered pad in deviceslot %d and padslot %d! Lets detach it.\n",i,j);
HIDDevice device;
memset(&device,0,sizeof(device));
device.interface_index = 0;
device.vid = gNetworkController[i][j][NETWORK_CONTROLLER_VID];
device.pid = gNetworkController[i][j][NETWORK_CONTROLLER_PID];
device.handle = gNetworkController[i][j][NETWORK_CONTROLLER_HANDLE];
device.max_packet_size_rx = 8;
ControllerPatcherHID::externAttachDetachCallback(&device,attach);
memset(gNetworkController[i][j],0,sizeof(gNetworkController[i][j]));
}
}
}
if(HID_DEBUG) {
if(attach) {
DEBUG_FUNCTION_LINE("Network Attach DONE!\n");
} else {
DEBUG_FUNCTION_LINE("Network Detach DONE!\n");
}
}
}
void CPTCPServer::DetachAndDelete() {
CPTCPServer::AttachDetach(DETACH);
memset(&gNetworkController,0,sizeof(gNetworkController));
}
bool CPTCPServer::whileLoop() {
s32 ret;
s32 clientfd = getClientFD();
while (1) {
if(shouldExit()) {
break;
}
ret = checkbyte(clientfd);
if (ret < 0) {
if(wiiu_errno != 6) {
return false;
}
os_usleep(1000);
continue;
}
//DEBUG_FUNCTION_LINE("got byte from tcp! %01X\n",ret);
switch (ret) {
case WIIU_CP_TCP_ATTACH: { /*attach */
if(gUsedProtocolVersion >= WIIU_CP_TCP_HANDSHAKE_VERSION_1) {
s32 handle;
ret = recvwait(clientfd, &handle, 4);
if(ret < 0) {
DEBUG_FUNCTION_LINE("Error in %02X: recvwait handle\n",WIIU_CP_TCP_ATTACH);
return false;
}
if(HID_DEBUG) {
DEBUG_FUNCTION_LINE("got handle %d\n",handle);
}
u16 vid = 0;
u16 pid = 0;
ret = recvwait(clientfd, &vid, 2);
if(ret < 0) {
DEBUG_FUNCTION_LINE("Error in %02X: recvwait vid\n",WIIU_CP_TCP_ATTACH);
return false;
}
if(HID_DEBUG) {
DEBUG_FUNCTION_LINE("got vid %04X\n",vid);
}
ret = recvwait(clientfd, &pid, 2);
if(ret < 0) {
DEBUG_FUNCTION_LINE("Error in %02X: recvwait pid\n",WIIU_CP_TCP_ATTACH);
return false;
}
if(HID_DEBUG) {
DEBUG_FUNCTION_LINE("got pid %04X\n",pid);
}
HIDDevice device;
memset(&device,0,sizeof(device));
device.handle = handle;
device.interface_index = 0;
device.vid = SWAP16(vid);
device.pid = SWAP16(pid);
device.max_packet_size_rx = 8;
my_cb_user * user = NULL;
ControllerPatcherHID::externAttachDetachCallback(&device,1);
if((ret = ControllerPatcherUtils::getDataByHandle(handle,&user)) < 0) {
DEBUG_FUNCTION_LINE("Error in %02X: getDataByHandle(%d,%08X).\n",WIIU_CP_TCP_ATTACH,handle,&user);
DEBUG_FUNCTION_LINE("Error in %02X: Config for the controller is missing.\n",WIIU_CP_TCP_ATTACH);
if((ret = sendbyte(clientfd, WIIU_CP_TCP_ATTACH_CONFIG_NOT_FOUND) < 0)) {
DEBUG_FUNCTION_LINE("Error in %02X: Sending the WIIU_CP_TCP_ATTACH_CONFIG_NOT_FOUND byte failed. Error: %d.\n",WIIU_CP_TCP_ATTACH,ret);
}
return false;
}
if((ret = sendbyte(clientfd, WIIU_CP_TCP_ATTACH_CONFIG_FOUND) < 0)) {
DEBUG_FUNCTION_LINE("Error in %02X: Sending the WIIU_CP_TCP_ATTACH_CONFIG_FOUND byte failed. Error: %d.\n",WIIU_CP_TCP_ATTACH,ret);
return false;
}
if(user != NULL) {
if((ret = sendbyte(clientfd, WIIU_CP_TCP_ATTACH_USER_DATA_OKAY) < 0)) {
DEBUG_FUNCTION_LINE("Error in %02X: Sending the WIIU_CP_TCP_ATTACH_USER_DATA_OKAY byte failed. Error: %d.\n",WIIU_CP_TCP_ATTACH,ret);
return false;
}
ret = sendwait(clientfd,&user->slotdata.deviceslot,2);
if(ret < 0) {
DEBUG_FUNCTION_LINE("Error in %02X: sendwait slotdata: %04X\n",WIIU_CP_TCP_ATTACH,user->slotdata.deviceslot);
return false;
}
ret = sendwait(clientfd,&user->pad_slot,1);
if(ret < 0) {
DEBUG_FUNCTION_LINE("Error in %02X: sendwait pad_slot: %04X\n",WIIU_CP_TCP_ATTACH,user->pad_slot);
return false;
}
} else {
DEBUG_FUNCTION_LINE("Error in %02X: invalid user data.\n",WIIU_CP_TCP_ATTACH);
if((ret = sendbyte(clientfd, WIIU_CP_TCP_ATTACH_USER_DATA_BAD) < 0)) {
DEBUG_FUNCTION_LINE("Error in %02X: Sending the WIIU_CP_TCP_ATTACH_USER_DATA_BAD byte failed. Error: %d.\n",WIIU_CP_TCP_ATTACH,ret);
return false;
}
return false;
break;
}
if(HID_DEBUG) {
DEBUG_FUNCTION_LINE("attachted to device slot: %d , pad slot is: %d\n",user->slotdata.deviceslot,user->pad_slot);
}
gNetworkController[user->slotdata.deviceslot][user->pad_slot][NETWORK_CONTROLLER_VID] = device.vid;
gNetworkController[user->slotdata.deviceslot][user->pad_slot][NETWORK_CONTROLLER_PID] = device.pid;
gNetworkController[user->slotdata.deviceslot][user->pad_slot][NETWORK_CONTROLLER_ACTIVE] = 1;
gNetworkController[user->slotdata.deviceslot][user->pad_slot][NETWORK_CONTROLLER_HANDLE] = handle;
if(HID_DEBUG) {
DEBUG_FUNCTION_LINE("handle %d connected! vid: %02X pid: %02X deviceslot %d, padslot %d\n",handle,vid,pid,user->slotdata.deviceslot,user->pad_slot);
}
break;
}
break;
}
case WIIU_CP_TCP_DETACH: { /*detach */
if(gUsedProtocolVersion >= WIIU_CP_TCP_HANDSHAKE_VERSION_1) {
s32 handle;
ret = recvwait(clientfd, &handle, 4);
if(ret < 0) {
DEBUG_FUNCTION_LINE("Error in %02X: recvwait handle\n",WIIU_CP_TCP_DETACH);
return false;
break;
}
if(HID_DEBUG) {
DEBUG_FUNCTION_LINE("got detach for handle: %d\n",handle);
}
my_cb_user * user = NULL;
if(ControllerPatcherUtils::getDataByHandle(handle,&user) < 0) {
DEBUG_FUNCTION_LINE("Error in %02X: getDataByHandle(%d,%08X).\n",WIIU_CP_TCP_DETACH,handle,&user);
return false;
break;
}
if(user == NULL) {
DEBUG_FUNCTION_LINE("Error in %02X: invalid user data.\n",WIIU_CP_TCP_DETACH);
return false;
break;
}
s32 deviceslot = user->slotdata.deviceslot;
if(HID_DEBUG) {
DEBUG_FUNCTION_LINE("device slot is: %d , pad slot is: %d\n",deviceslot,user->pad_slot);
}
DeviceVIDPIDInfo vidpid;
s32 result;
if((result = ControllerPatcherUtils::getVIDPIDbyDeviceSlot(deviceslot,&vidpid)) < 0) {
DEBUG_FUNCTION_LINE("Error in %02X: Couldn't find a valid VID/PID for device slot %d. Error: %d\n",WIIU_CP_TCP_DETACH,deviceslot,ret);
return false;
break;
}
HIDDevice device;
memset(&device,0,sizeof(device));
device.handle = handle;
device.interface_index = 0;
device.vid = SWAP16(vidpid.vid);
device.pid = SWAP16(vidpid.pid);
device.max_packet_size_rx = 14;
ControllerPatcherHID::externAttachDetachCallback(&device,DETACH);
memset(gNetworkController[deviceslot][user->pad_slot],0,sizeof(gNetworkController[deviceslot][user->pad_slot]));
if(HID_DEBUG) {
DEBUG_FUNCTION_LINE("handle %d disconnected!\n",handle);
}
break;
}
break;
}
case WIIU_CP_TCP_PING: { /*ping*/
if(gUsedProtocolVersion >= WIIU_CP_TCP_HANDSHAKE_VERSION_1) {
if(HID_DEBUG) {
DEBUG_FUNCTION_LINE("Got Ping, sending now a Pong\n");
}
s32 ret = sendbyte(clientfd, WIIU_CP_TCP_PONG);
if(ret < 0) {
DEBUG_FUNCTION_LINE("Error in %02X: sendbyte PONG\n");
return false;
}
break;
}
break;
}
default:
return false;
break;
}
}
return true;
}
bool CPTCPServer::acceptConnection() {
s32 clientfd = getClientFD();
DEBUG_FUNCTION_LINE("TCP Connection accepted! Sending my protocol version: %d (0x%02X)\n", (WIIU_CP_TCP_HANDSHAKE - WIIU_CP_TCP_HANDSHAKE_VERSION_1)+1,WIIU_CP_TCP_HANDSHAKE);
gUDPClientip = getSockAddr().sin_addr.s_addr;
UDPClient::createInstance();
s32 ret;
ret = sendbyte(clientfd, WIIU_CP_TCP_HANDSHAKE); //Hey I'm a WiiU console!
if(ret < 0) {
DEBUG_FUNCTION_LINE("Error sendbyte: %02X\n",WIIU_CP_TCP_HANDSHAKE);
return false;
}
u8 clientProtocolVersion = recvbyte(clientfd);
if(ret < 0) {
DEBUG_FUNCTION_LINE("Error recvbyte: %02X\n",WIIU_CP_TCP_HANDSHAKE);
return false;
}
if(clientProtocolVersion == WIIU_CP_TCP_HANDSHAKE_ABORT) {
DEBUG_FUNCTION_LINE("The network client wants to abort.\n");
return false;
}
DEBUG_FUNCTION_LINE("received protocol version: %d (0x%02X)\n",(clientProtocolVersion - WIIU_CP_TCP_HANDSHAKE_VERSION_1)+1,clientProtocolVersion);
if(clientProtocolVersion >= WIIU_CP_TCP_HANDSHAKE_VERSION_MIN && clientProtocolVersion <= WIIU_CP_TCP_HANDSHAKE_VERSION_MAX) {
DEBUG_FUNCTION_LINE("We support this protocol version. Let's confirm it to the network client.\n");
gUsedProtocolVersion = clientProtocolVersion;
ret = sendbyte(clientfd, clientProtocolVersion);
if(ret < 0) {
DEBUG_FUNCTION_LINE("Error sendbyte: %02X\n",clientProtocolVersion);
return false;
}
} else {
DEBUG_FUNCTION_LINE("We don't support this protocol version. We need to abort =(.\n");
ret = sendbyte(clientfd, WIIU_CP_TCP_HANDSHAKE_ABORT);
return false;
}
DEBUG_FUNCTION_LINE("Handshake done! Success!\n");
return true;
}
void CPTCPServer::onConnectionClosed() {
gUDPClientip = 0;
UDPClient::destroyInstance();
CPTCPServer::DetachAndDelete(); //Clear connected controller
}