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wiiload_plugin/src/utils/TcpReceiver.cpp

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#include "TcpReceiver.h"
#include "FSUtils.h"
#include "globals.h"
#include "utils/net.h"
#include "utils/utils.h"
#include <algorithm>
#include <coreinit/cache.h>
#include <coreinit/debug.h>
#include <coreinit/dynload.h>
#include <coreinit/title.h>
#include <cstring>
#include <notifications/notifications.h>
#include <rpxloader/rpxloader.h>
#include <sysapp/launch.h>
#include <vector>
#include <wups_backend/PluginUtils.h>
#include <zlib.h>
#define APPS_TEMP_PATH "fs:/vol/external01/wiiu/apps/"
#define RPX_TEMP_FILE "fs:/vol/external01/wiiu/apps/temp.rpx"
#define WUHB_TEMP_FILE "fs:/vol/external01/wiiu/apps/temp.wuhb"
#define WUHB_TEMP_FILE_2 "fs:/vol/external01/wiiu/apps/temp2.wuhb"
#define RPX_TEMP_FILE_EX "wiiu/apps/temp.rpx"
#define WUHB_TEMP_FILE_EX "wiiu/apps/temp.wuhb"
#define WUHB_TEMP_FILE_2_EX "wiiu/apps/temp2.wuhb"
TcpReceiver::TcpReceiver(int32_t port)
: CThread(CThread::eAttributeAffCore1, 16, 0x20000, nullptr, nullptr, "Wiiload Thread"), exitRequested(false), serverPort(port), serverSocket(-1) {
resumeThread();
}
TcpReceiver::~TcpReceiver() {
exitRequested = true;
OSMemoryBarrier();
if (serverSocket >= 0) {
cleanupSocket();
}
}
bool TcpReceiver::createSocket() {
serverSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
if (serverSocket < 0) {
return false;
}
uint32_t enable = 1;
setsockopt(serverSocket, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable));
struct sockaddr_in bindAddress {};
memset(&bindAddress, 0, sizeof(bindAddress));
bindAddress.sin_family = AF_INET;
bindAddress.sin_port = serverPort;
bindAddress.sin_addr.s_addr = INADDR_ANY;
int32_t ret;
if ((ret = bind(serverSocket, (struct sockaddr *) &bindAddress, 16)) < 0) {
DEBUG_FUNCTION_LINE_WARN("Failed to bind socket: %d errno: %d", ret, errno);
cleanupSocket();
return false;
}
if ((ret = listen(serverSocket, 1)) < 0) {
DEBUG_FUNCTION_LINE_WARN("Failed to bind socket: %d errno: %d", ret, errno);
cleanupSocket();
return false;
}
return true;
}
void TcpReceiver::cleanupSocket() {
if (serverSocket >= 0) {
shutdown(serverSocket, SHUT_RDWR);
close(serverSocket);
serverSocket = -1;
}
}
void TcpReceiver::executeThread() {
socklen_t len;
while (!exitRequested) {
if (serverSocket < 0) {
if (!createSocket() && !exitRequested) {
if (errno != EBUSY) {
DEBUG_FUNCTION_LINE_WARN("Create socket failed %d", errno);
}
OSSleepTicks(OSMillisecondsToTicks(10));
}
continue;
}
struct sockaddr_in clientAddr = {};
len = 16;
int32_t clientSocket = accept(serverSocket, (struct sockaddr *) &clientAddr, &len);
if (clientSocket >= 0) {
uint32_t ipAddress = clientAddr.sin_addr.s_addr;
DEBUG_FUNCTION_LINE("Waiting for wiiload connection");
auto result = loadToMemory(clientSocket, ipAddress);
close(clientSocket);
switch (result) {
case SUCCESS:
break;
case FILE_UNCOMPRESS_ERROR:
NotificationModule_AddErrorNotification("Wiiload plugin: Failed to decrompress recieved data. Launching will be aborted.");
break;
case NOT_ENOUGH_MEMORY:
NotificationModule_AddErrorNotification("Wiiload plugin: Not enough memory. Launching will be aborted.");
break;
case RECV_ERROR:
NotificationModule_AddErrorNotification("Wiiload plugin: Failed to receive data. Launching will be aborted.");
break;
case UNSUPPORTED_FORMAT:
NotificationModule_AddErrorNotification("Wiiload plugin: Tried to load an unsupported file. Launching will be aborted.");
break;
case PLUGIN_PARSE_FAILED:
NotificationModule_AddErrorNotification("Wiiload plugin: Failed to load plugin. Maybe unsupported version? Launching will be aborted.");
break;
case PLUGIN_LOAD_LINK_FAILED:
NotificationModule_AddErrorNotification("Wiiload plugin: Failed to load plugins. Maybe unsupported version? Launching will be aborted.");
break;
case FILE_SAVE_BUFFER_ERROR:
NotificationModule_AddErrorNotification("Wiiload plugin: Failed to save file to the sd card. Launching will be aborted.");
break;
case LAUNCH_FAILED:
NotificationModule_AddErrorNotification("Wiiload plugin: Failed to launch homebrew. Launching will be aborted.");
break;
}
if (result == SUCCESS) {
break;
}
} else if (!exitRequested) {
if (errno != EBUSY) {
DEBUG_FUNCTION_LINE_WARN("Accept failed %d", errno);
cleanupSocket();
}
OSSleepTicks(OSMillisecondsToTicks(10));
}
OSSleepTicks(OSMillisecondsToTicks(1));
}
cleanupSocket();
DEBUG_FUNCTION_LINE("Stopping wiiload server.");
}
TcpReceiver::eLoadResults TcpReceiver::tryLoadWUHB(void *data, uint32_t fileSize, std::string &loadedPathOut) {
if (memcmp(data, "WUHB", 4) == 0) {
DEBUG_FUNCTION_LINE("Try to load a .wuhb");
if (!FSUtils::CreateSubfolder(APPS_TEMP_PATH)) {
DEBUG_FUNCTION_LINE_WARN("Failed to create directory: %s", APPS_TEMP_PATH);
return FILE_SAVE_BUFFER_ERROR;
}
if (FSUtils::saveBufferToFile(WUHB_TEMP_FILE, data, fileSize)) {
loadedPathOut = WUHB_TEMP_FILE_EX;
} else if (FSUtils::saveBufferToFile(WUHB_TEMP_FILE_2, data, fileSize)) {
loadedPathOut = WUHB_TEMP_FILE_2_EX;
} else {
DEBUG_FUNCTION_LINE_WARN("Failed to save .wuhb file to the sd card. Launching will be aborted.");
return FILE_SAVE_BUFFER_ERROR;
}
return SUCCESS;
}
DEBUG_FUNCTION_LINE_VERBOSE("Loaded data is not a WUHB");
return UNSUPPORTED_FORMAT;
}
TcpReceiver::eLoadResults TcpReceiver::tryLoadRPX(uint8_t *data, uint32_t fileSize, std::string &loadedPathOut) {
if (data[0x7] == 0xCA && data[0x8] == 0xFE && data[0x9] != 0x50 && data[0xA] != 0x4C) {
DEBUG_FUNCTION_LINE("Try to load a .rpx");
if (!FSUtils::CreateSubfolder(APPS_TEMP_PATH)) {
DEBUG_FUNCTION_LINE_WARN("Failed to create directory: %s", APPS_TEMP_PATH);
return FILE_SAVE_BUFFER_ERROR;
}
if (FSUtils::saveBufferToFile(RPX_TEMP_FILE, data, fileSize)) {
loadedPathOut = RPX_TEMP_FILE_EX;
} else {
DEBUG_FUNCTION_LINE_WARN("Failed to save .rpx file to the sd card. Launching will be aborted.");
return FILE_SAVE_BUFFER_ERROR;
}
return SUCCESS;
}
DEBUG_FUNCTION_LINE_VERBOSE("Loaded data is not a RPX");
return UNSUPPORTED_FORMAT;
}
TcpReceiver::eLoadResults TcpReceiver::tryLoadWPS(uint8_t *data, uint32_t fileSize) {
if (data[0x7] == 0xCA && data[0x8] == 0xFE && data[0x9] == 0x50 && data[0xA] == 0x4C) {
PluginBackendApiErrorType err;
auto newContainerOpt = WUPSBackend::PluginUtils::getPluginForBuffer((char *) data, fileSize, err);
if (newContainerOpt) {
auto pluginList = WUPSBackend::PluginUtils::getLoadedPlugins(err);
if (err != PLUGIN_BACKEND_API_ERROR_NONE) {
DEBUG_FUNCTION_LINE_ERR("Failed to load plugin list.");
return PLUGIN_PARSE_FAILED;
}
const auto &metaInformation = newContainerOpt->getMetaInformation();
// remove plugins with the same name and author as our new plugin
pluginList.erase(std::remove_if(pluginList.begin(), pluginList.end(),
[&metaInformation](auto &plugin) {
auto res = plugin.getMetaInformation().getName() == metaInformation.getName() &&
plugin.getMetaInformation().getAuthor() == metaInformation.getAuthor();
return res;
}),
pluginList.end());
// add the new plugin
pluginList.push_back(std::move(newContainerOpt.value()));
#ifdef VERBOSE_DEBUG
for (auto &plugin : plugins) {
DEBUG_FUNCTION_LINE_VERBOSE("name: %s", plugin->getMetaInformation()->getName().c_str());
DEBUG_FUNCTION_LINE_VERBOSE("author: %s", plugin->getMetaInformation()->getAuthor().c_str());
DEBUG_FUNCTION_LINE_VERBOSE("handle: %08X", plugin->getPluginData()->getHandle());
DEBUG_FUNCTION_LINE_VERBOSE("====");
}
#endif
if ((err = WUPSBackend::PluginUtils::LoadAndLinkOnRestart(pluginList)) != PLUGIN_BACKEND_API_ERROR_NONE) {
DEBUG_FUNCTION_LINE_ERR("WUPSBackend::PluginUtils::LoadAndLinkOnRestart failed. %s", WUPSBackend::GetStatusStr(err));
return PLUGIN_LOAD_LINK_FAILED;
}
return SUCCESS;
} else {
DEBUG_FUNCTION_LINE_ERR("Failed to parse plugin for buffer: %08X size %d. Error: %s", data, fileSize, WUPSBackend::GetStatusStr(err));
return PLUGIN_PARSE_FAILED;
}
}
DEBUG_FUNCTION_LINE_VERBOSE("Loaded data is not a plugin");
return UNSUPPORTED_FORMAT;
}
TcpReceiver::eLoadResults TcpReceiver::loadBinary(void *data, uint32_t fileSize) {
std::string loadedPath;
eLoadResults error;
if ((error = tryLoadWUHB(data, fileSize, loadedPath)) != UNSUPPORTED_FORMAT || (error = tryLoadRPX((uint8_t *) data, fileSize, loadedPath)) != UNSUPPORTED_FORMAT) {
if (error != SUCCESS) {
return error;
}
RPXLoaderStatus launchRes;
if ((launchRes = RPXLoader_LaunchHomebrew(loadedPath.c_str())) != RPX_LOADER_RESULT_SUCCESS) {
DEBUG_FUNCTION_LINE_ERR("Failed to start %s %s", loadedPath.c_str(), RPXLoader_GetStatusStr(launchRes));
return LAUNCH_FAILED;
}
} else if ((error = tryLoadWPS((uint8_t *) data, fileSize)) != UNSUPPORTED_FORMAT) {
if (error != SUCCESS) {
return error;
}
_SYSLaunchTitleWithStdArgsInNoSplash(OSGetTitleID(), nullptr);
} else {
return UNSUPPORTED_FORMAT;
}
return SUCCESS;
}
std::unique_ptr<uint8_t[]> TcpReceiver::uncompressData(uint32_t fileSize, uint32_t fileSizeUnc, std::unique_ptr<uint8_t[]> &&inData, uint32_t &fileSizeOut, eLoadResults &err) {
std::unique_ptr<uint8_t[]> inflatedData;
uint8_t *in_data_raw = inData.get();
// We need to unzip...
if (in_data_raw[0] == 'P' && in_data_raw[1] == 'K' && in_data_raw[2] == 0x03 && in_data_raw[3] == 0x04) {
// Section is compressed, inflate
inflatedData = make_unique_nothrow<uint8_t[]>(fileSizeUnc);
if (!inflatedData) {
DEBUG_FUNCTION_LINE_ERR("malloc failed");
err = NOT_ENOUGH_MEMORY;
return {};
}
int32_t ret;
z_stream s = {};
s.zalloc = Z_NULL;
s.zfree = Z_NULL;
s.opaque = Z_NULL;
ret = inflateInit(&s);
if (ret != Z_OK) {
DEBUG_FUNCTION_LINE_ERR("inflateInit failed %i", ret);
err = FILE_UNCOMPRESS_ERROR;
return {};
}
s.avail_in = fileSize;
s.next_in = (Bytef *) inflatedData.get();
s.avail_out = fileSizeUnc;
s.next_out = (Bytef *) inflatedData.get();
ret = inflate(&s, Z_FINISH);
if (ret != Z_OK && ret != Z_STREAM_END) {
DEBUG_FUNCTION_LINE_ERR("inflate failed %i", ret);
err = FILE_UNCOMPRESS_ERROR;
return {};
}
inflateEnd(&s);
} else {
// Section is compressed, inflate
inflatedData = make_unique_nothrow<uint8_t[]>(fileSizeUnc);
if (!inflatedData) {
DEBUG_FUNCTION_LINE_ERR("malloc failed");
err = NOT_ENOUGH_MEMORY;
return {};
}
uLongf f = fileSizeUnc;
int32_t result = uncompress((Bytef *) inflatedData.get(), &f, (Bytef *) in_data_raw, fileSize);
if (result != Z_OK) {
DEBUG_FUNCTION_LINE_ERR("uncompress failed %i", result);
err = FILE_UNCOMPRESS_ERROR;
return {};
}
fileSizeUnc = f;
}
fileSizeOut = fileSizeUnc;
err = SUCCESS;
return inflatedData;
}
std::unique_ptr<uint8_t[]> TcpReceiver::receiveData(int32_t clientSocket, uint32_t fileSize, eLoadResults &err) {
uint32_t bytesRead = 0;
auto dataOut = make_unique_nothrow<uint8_t[]>(fileSize);
if (!dataOut) {
err = NOT_ENOUGH_MEMORY;
return {};
}
// Copy binary in memory
while (bytesRead < fileSize) {
uint32_t blockSize = 0x1000;
if (blockSize > (fileSize - bytesRead))
blockSize = fileSize - bytesRead;
int32_t ret = recv(clientSocket, dataOut.get() + bytesRead, blockSize, 0);
if (ret <= 0) {
DEBUG_FUNCTION_LINE_ERR("Failed to receive file");
break;
}
bytesRead += ret;
}
if (bytesRead != fileSize) {
DEBUG_FUNCTION_LINE_ERR("File loading not finished, %i of %i bytes received", bytesRead, fileSize);
err = RECV_ERROR;
return {};
}
err = SUCCESS;
return dataOut;
}
TcpReceiver::eLoadResults TcpReceiver::loadToMemory(int32_t clientSocket, uint32_t ipAddress) {
DEBUG_FUNCTION_LINE("Loading file from ip %08X", ipAddress);
uint32_t fileSize = 0;
uint32_t fileSizeUnc = 0;
uint8_t haxx[8] = {};
// read header
if (recvwait(clientSocket, haxx, sizeof(haxx)) != 0) {
return RECV_ERROR;
}
if (recvwait(clientSocket, (void *) &fileSize, sizeof(fileSize)) != 0) {
return RECV_ERROR;
}
bool compressedData = (haxx[4] > 0 || haxx[5] > 4);
if (compressedData) {
if (recvwait(clientSocket, (void *) &fileSizeUnc, sizeof(fileSizeUnc)) != 0) { // Compressed protocol, read another 4 bytes
return RECV_ERROR;
}
}
TcpReceiver::eLoadResults err = UNSUPPORTED_FORMAT;
auto receivedData = receiveData(clientSocket, fileSize, err);
if (err != SUCCESS) {
return err;
} else if (compressedData) {
receivedData = uncompressData(fileSize, fileSizeUnc, std::move(receivedData), fileSize, err);
if (!receivedData || err != SUCCESS) {
return err;
}
}
return loadBinary(receivedData.get(), fileSize);
}
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