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RPXLoadingModule
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RPXLoadingModule/src/RPXLoading.cpp

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#include "RPXLoading.h"
#include "data/defaultIcon.h"
#include "globals.h"
#include "utils/FileReader.h"
#include "utils/StringTools.h"
#include "utils/ini.h"
#include "utils/logger.h"
#include <coreinit/cache.h>
#include <coreinit/debug.h>
#include <coreinit/ios.h>
#include <coreinit/title.h>
#include <cstring>
#include <mocha/mocha.h>
#include <mutex>
#include <nn/acp/title.h>
#include <romfs_dev.h>
#include <rpxloader/rpxloader.h>
#include <string>
#include <sysapp/title.h>
#include <wuhb_utils/utils.h>
std::mutex fileReaderListMutex;
std::forward_list<std::unique_ptr<FileReader>> openFileReaders;
void RPXLoadingCleanUp() {
const std::lock_guard<std::mutex> lock(fileReaderListMutex);
openFileReaders.clear();
}
/*
* Patch the meta xml for the home menu
*/
DECL_FUNCTION(int32_t, HBM_NN_ACP_ACPGetTitleMetaXmlByDevice, uint32_t titleid_upper, uint32_t titleid_lower, ACPMetaXml *metaxml, uint32_t device) {
if (gReplacementInfo.rpxReplacementInfo.isRPXReplaced) {
memset(&metaxml->longname_ja, 0, 0x338C - 0x38C); // clear all names
snprintf(metaxml->longname_en, sizeof(metaxml->longname_en), "%s", gReplacementInfo.rpxReplacementInfo.metaInformation.longname);
snprintf(metaxml->shortname_en, sizeof(metaxml->shortname_en), "%s", gReplacementInfo.rpxReplacementInfo.metaInformation.shortname);
snprintf(metaxml->publisher_en, sizeof(metaxml->publisher_en), "%s", gReplacementInfo.rpxReplacementInfo.metaInformation.author);
// Disable the emanual
metaxml->e_manual = 0;
metaxml->closing_msg = 0;
return 0;
}
int result = real_HBM_NN_ACP_ACPGetTitleMetaXmlByDevice(titleid_upper, titleid_lower, metaxml, device);
return result;
}
DECL_FUNCTION(int, RPX_FSOpenFile, FSClient *client, FSCmdBlock *block, char *path, const char *mode, uint32_t *handle, int error) {
const char *iconTex = "iconTex.tga";
std::string_view pathView = path;
if (gReplacementInfo.rpxReplacementInfo.isRPXReplaced && pathView.ends_with(iconTex)) {
const std::lock_guard<std::mutex> lock(fileReaderListMutex);
auto reader = make_unique_nothrow<FileReader>(reinterpret_cast<uint8_t *>(gReplacementInfo.rpxReplacementInfo.iconCache), ICON_SIZE);
if (!reader) {
DEBUG_FUNCTION_LINE_ERR("Failed to allocate memory for the FileReader");
return FS_STATUS_FATAL_ERROR;
}
*handle = reader->getHandle();
openFileReaders.push_front(std::move(reader));
return FS_STATUS_OK;
}
int result = real_RPX_FSOpenFile(client, block, path, mode, handle, error);
return result;
}
DECL_FUNCTION(FSStatus, RPX_FSReadFile, FSClient *client, FSCmdBlock *block, uint8_t *buffer, uint32_t size, uint32_t count, FSFileHandle handle, uint32_t unk1, uint32_t flags) {
if (gReplacementInfo.rpxReplacementInfo.isRPXReplaced) {
const std::lock_guard<std::mutex> lock(fileReaderListMutex);
for (auto &reader : openFileReaders) {
if ((uint32_t) reader->getHandle() == (uint32_t) handle) {
return (FSStatus) (reader->read(buffer, size * count) / size);
}
}
}
return real_RPX_FSReadFile(client, block, buffer, size, count, handle, unk1, flags);
}
DECL_FUNCTION(FSStatus, RPX_FSCloseFile, FSClient *client, FSCmdBlock *block, FSFileHandle handle, uint32_t flags) {
if (gReplacementInfo.rpxReplacementInfo.isRPXReplaced) {
if (remove_locked_first_if(fileReaderListMutex, openFileReaders, [handle](auto &cur) { return cur->getHandle() == (uint32_t) handle; })) {
return FS_STATUS_OK;
}
}
return real_RPX_FSCloseFile(client, block, handle, flags);
}
RPXLoaderStatus RL_PrepareLaunchFromSD(const char *bundle_path);
DECL_FUNCTION(void, OSRestartGame, int argc, char *argv[]) {
if (OSGetTitleID() == _SYSGetSystemApplicationTitleId(SYSTEM_APP_ID_HEALTH_AND_SAFETY) &&
strlen(gReplacementInfo.contentReplacementInfo.bundleMountInformation.toMountPath) == 0) {
RL_PrepareLaunchFromSD(gReplacementInfo.lastFileLoaded);
}
real_OSRestartGame(argc, argv);
}
DECL_FUNCTION(void, _SYSLaunchTitleWithStdArgsInNoSplash, uint64_t titleId, void *u1) {
if (titleId == _SYSGetSystemApplicationTitleId(SYSTEM_APP_ID_HEALTH_AND_SAFETY) &&
titleId == OSGetTitleID() &&
strlen(gReplacementInfo.contentReplacementInfo.bundleMountInformation.toMountPath) == 0) {
RL_PrepareLaunchFromSD(gReplacementInfo.lastFileLoaded);
}
real__SYSLaunchTitleWithStdArgsInNoSplash(titleId, u1);
}
function_replacement_data_t rpx_utils_function_replacements[] = {
REPLACE_FUNCTION_VIA_ADDRESS_FOR_PROCESS(HBM_NN_ACP_ACPGetTitleMetaXmlByDevice, 0x2E36CE44, 0x0E36CE44, FP_TARGET_PROCESS_HOME_MENU),
REPLACE_FUNCTION_FOR_PROCESS(RPX_FSOpenFile, LIBRARY_COREINIT, FSOpenFile, FP_TARGET_PROCESS_HOME_MENU),
REPLACE_FUNCTION_FOR_PROCESS(RPX_FSReadFile, LIBRARY_COREINIT, FSReadFile, FP_TARGET_PROCESS_HOME_MENU),
REPLACE_FUNCTION_FOR_PROCESS(RPX_FSCloseFile, LIBRARY_COREINIT, FSCloseFile, FP_TARGET_PROCESS_HOME_MENU),
REPLACE_FUNCTION(OSRestartGame, LIBRARY_COREINIT, OSRestartGame),
REPLACE_FUNCTION(_SYSLaunchTitleWithStdArgsInNoSplash, LIBRARY_SYSAPP, _SYSLaunchTitleWithStdArgsInNoSplash),
};
uint32_t rpx_utils_function_replacements_size = sizeof(rpx_utils_function_replacements) / sizeof(function_replacement_data_t);
static int parseINIhandler(void *user, const char *section, const char *name,
const char *value) {
auto *fInfo = (MetaInformation *) user;
#define MATCH(s, n) strcmp(section, s) == 0 && strcmp(name, n) == 0
if (MATCH("menu", "longname")) {
fInfo->longname[0] = '\0';
strncat(fInfo->longname, value, sizeof(fInfo->longname) - 1);
} else if (MATCH("menu", "shortname")) {
fInfo->shortname[0] = '\0';
strncat(fInfo->shortname, value, sizeof(fInfo->shortname) - 1);
} else if (MATCH("menu", "author")) {
fInfo->author[0] = '\0';
strncat(fInfo->author, value, sizeof(fInfo->author) - 1);
} else {
return 0; /* unknown section/name, error */
}
return 1;
}
RPXLoaderStatus RL_PrepareLaunchFromSD(const char *bundle_path) {
MochaRPXLoadInfo request;
memset(&request, 0, sizeof(request));
request.target = LOAD_RPX_TARGET_SD_CARD; // LOAD_FILE_TARGET_SD_CARD
request.filesize = 0; // unknown filesize
request.fileoffset = 0; //
WUHBRPXInfo fileInfo;
bool metaLoaded = false;
std::string completePath = std::string("/vol/external01/") + bundle_path;
std::string completeNewLibPath = std::string("fs:/vol/external01/") + bundle_path;
struct stat st {};
if (stat(completeNewLibPath.c_str(), &st) < 0) {
DEBUG_FUNCTION_LINE_ERR("Failed to prepare launch from SD, file (%s) not found.", bundle_path);
return RPX_LOADER_RESULT_NOT_FOUND;
}
bool isBundle = false;
auto rpxInfo = WUHBUtils_GetRPXInfo(completePath.c_str(), BundleSource_FileDescriptor_CafeOS, &fileInfo);
if (rpxInfo == WUHB_UTILS_RESULT_SUCCESS) {
isBundle = true;
request.filesize = ((uint32_t *) &fileInfo.length)[1];
request.fileoffset = ((uint32_t *) &fileInfo.offset)[1];
auto res = -1;
if (WUHBUtils_MountBundle("rcc", completePath.c_str(), BundleSource_FileDescriptor_CafeOS, &res) == WUHB_UTILS_RESULT_SUCCESS && res == 0) {
uint8_t *buffer;
uint32_t bufferSize;
if (WUHBUtils_ReadWholeFile("rcc:/meta/meta.ini", &buffer, &bufferSize) == WUHB_UTILS_RESULT_SUCCESS) {
buffer[bufferSize - 1] = '\0';
if (ini_parse_string((const char *) buffer, parseINIhandler, &gReplacementInfo.rpxReplacementInfo.metaInformation) < 0) {
DEBUG_FUNCTION_LINE_ERR("Failed to load and parse meta.ini");
} else {
metaLoaded = true;
}
free(buffer);
} else {
DEBUG_FUNCTION_LINE_ERR("Failed to read whole file meta.ini");
}
buffer = nullptr;
bufferSize = 0;
if (WUHBUtils_ReadWholeFile("rcc:/meta/iconTex.tga", &buffer, &bufferSize) == WUHB_UTILS_RESULT_SUCCESS) {
uint32_t cpySize = ICON_SIZE;
if (bufferSize < cpySize) {
cpySize = bufferSize;
memset(gReplacementInfo.rpxReplacementInfo.iconCache, 0, ICON_SIZE);
}
memcpy(gReplacementInfo.rpxReplacementInfo.iconCache, buffer, cpySize);
free(buffer);
} else {
memcpy(gReplacementInfo.rpxReplacementInfo.iconCache, defaultIconTexTGA, ICON_SIZE);
DEBUG_FUNCTION_LINE_ERR("Failed to read iconTex.tga");
}
auto outRes = 0;
if (WUHBUtils_UnmountBundle("rcc", &outRes) != WUHB_UTILS_RESULT_SUCCESS || outRes != WUHB_UTILS_RESULT_SUCCESS) {
DEBUG_FUNCTION_LINE_ERR("Failed to unmount bundle");
}
}
} else {
if (!gReplacementInfo.contentReplacementInfo.bundleMountInformation.isMounted) {
memcpy(gReplacementInfo.rpxReplacementInfo.iconCache, defaultIconTexTGA, ICON_SIZE);
}
}
if (!metaLoaded) {
gReplacementInfo.rpxReplacementInfo.metaInformation.author[0] = '\0';
gReplacementInfo.rpxReplacementInfo.metaInformation.shortname[0] = '\0';
gReplacementInfo.rpxReplacementInfo.metaInformation.longname[0] = '\0';
strncat(gReplacementInfo.rpxReplacementInfo.metaInformation.author, bundle_path, sizeof(gReplacementInfo.rpxReplacementInfo.metaInformation.author) - 1);
strncat(gReplacementInfo.rpxReplacementInfo.metaInformation.shortname, bundle_path, sizeof(gReplacementInfo.rpxReplacementInfo.metaInformation.shortname) - 1);
strncat(gReplacementInfo.rpxReplacementInfo.metaInformation.longname, bundle_path, sizeof(gReplacementInfo.rpxReplacementInfo.metaInformation.longname) - 1);
}
request.path[0] = '\0';
strncat(request.path, bundle_path, sizeof(request.path) - 1);
OSMemoryBarrier();
bool success = false;
MochaUtilsStatus res;
if ((res = Mocha_PrepareRPXLaunch(&request)) == MOCHA_RESULT_SUCCESS) {
success = true;
} else {
DEBUG_FUNCTION_LINE_ERR("Failed to prepare rpx launch: %s", Mocha_GetStatusStr(res));
}
if (!success) {
request.target = LOAD_RPX_TARGET_EXTRA_REVERT_PREPARE;
Mocha_PrepareRPXLaunch(&request);
gReplacementInfo.rpxReplacementInfo.willRPXBeReplaced = false;
DEBUG_FUNCTION_LINE_ERR("Failed to load %s on next restart", request.path);
return RPX_LOADER_RESULT_UNKNOWN_ERROR;
} else {
gReplacementInfo.rpxReplacementInfo.willRPXBeReplaced = true;
}
DEBUG_FUNCTION_LINE("Launch %s on next restart [size: %08X offset: %08X]", request.path, request.filesize, request.fileoffset);
gReplacementInfo.contentReplacementInfo.bundleMountInformation.toMountPath[0] = '\0';
if (isBundle) {
DEBUG_FUNCTION_LINE_VERBOSE("Loaded file is a .wuhb bundle");
strncat(gReplacementInfo.contentReplacementInfo.bundleMountInformation.toMountPath,
completePath.c_str(),
sizeof(gReplacementInfo.contentReplacementInfo.bundleMountInformation.toMountPath) - 1);
} else {
DEBUG_FUNCTION_LINE_VERBOSE("Loaded file is no bundle");
gReplacementInfo.rpxReplacementInfo.willRPXBeReplaced = true;
if (gReplacementInfo.contentReplacementInfo.bundleMountInformation.isMounted) {
// keep the old /vol/content mounted, this way you can reload just the rpx via wiiload
strncat(gReplacementInfo.contentReplacementInfo.bundleMountInformation.toMountPath,
gReplacementInfo.contentReplacementInfo.bundleMountInformation.mountedPath,
sizeof(gReplacementInfo.contentReplacementInfo.bundleMountInformation.toMountPath) - 2);
}
}
strncpy(gReplacementInfo.lastFileLoaded, bundle_path, sizeof(gReplacementInfo.lastFileLoaded) - 2);
OSMemoryBarrier();
return RPX_LOADER_RESULT_SUCCESS;
}
RPXLoaderStatus RL_LaunchPreparedHomebrew() {
// Request to launch the homebrew wrapper (H&S or Daily Log)
auto res = Mocha_LaunchHomebrewWrapper();
if (res != MOCHA_RESULT_SUCCESS) {
DEBUG_FUNCTION_LINE_ERR("Launch failed: %s", Mocha_GetStatusStr(res));
}
if (res == MOCHA_RESULT_NOT_FOUND) {
return RPX_LOADER_RESULT_NOT_FOUND;
} else if (res != MOCHA_RESULT_SUCCESS) {
return RPX_LOADER_RESULT_UNKNOWN_ERROR;
}
return RPX_LOADER_RESULT_SUCCESS;
}
RPXLoaderStatus RL_LaunchHomebrew(const char *bundle_path) {
RPXLoaderStatus res = RPX_LOADER_RESULT_SUCCESS;
// Tell iosu which .rpx to launch and prepare the content redirection.
if ((res = RL_PrepareLaunchFromSD(bundle_path)) != RPX_LOADER_RESULT_SUCCESS) {
return res;
}
// Request to launch the homebrew wrapper (H&S or Daily Log)
if ((res = RL_LaunchPreparedHomebrew()) != RPX_LOADER_RESULT_SUCCESS) {
// If we fail to launch the correct application, we revert the .rpx redirection.
MochaRPXLoadInfo loadInfoRevert;
loadInfoRevert.target = LOAD_RPX_TARGET_EXTRA_REVERT_PREPARE;
if (MochaUtilsStatus mochaRes = Mocha_PrepareRPXLaunch(&loadInfoRevert); mochaRes != MOCHA_RESULT_SUCCESS) {
DEBUG_FUNCTION_LINE_WARN("Revert Mocha_PrepareRPXLaunch failed: %s [%d]", Mocha_GetStatusStr(mochaRes), mochaRes);
}
return res;
}
return res;
}
std::mutex mutex;
RPXLoaderStatus RL_DisableContentRedirection() {
std::lock_guard<std::mutex> lock(mutex);
if (contentLayerHandle != 0) {
if (ContentRedirection_SetActive(contentLayerHandle, false) != CONTENT_REDIRECTION_RESULT_SUCCESS) {
return RPX_LOADER_RESULT_UNKNOWN_ERROR;
}
}
if (saveLayerHandle != 0) {
if (ContentRedirection_SetActive(saveLayerHandle, false) != CONTENT_REDIRECTION_RESULT_SUCCESS) {
ContentRedirection_SetActive(contentLayerHandle, true);
return RPX_LOADER_RESULT_UNKNOWN_ERROR;
}
}
return RPX_LOADER_RESULT_SUCCESS;
}
RPXLoaderStatus RL_EnableContentRedirection() {
std::lock_guard<std::mutex> lock(mutex);
if (contentLayerHandle != 0) {
if (ContentRedirection_SetActive(contentLayerHandle, true) != CONTENT_REDIRECTION_RESULT_SUCCESS) {
return RPX_LOADER_RESULT_UNKNOWN_ERROR;
}
}
if (saveLayerHandle != 0) {
if (ContentRedirection_SetActive(saveLayerHandle, true) != CONTENT_REDIRECTION_RESULT_SUCCESS) {
ContentRedirection_SetActive(contentLayerHandle, false);
return RPX_LOADER_RESULT_UNKNOWN_ERROR;
}
}
return RPX_LOADER_RESULT_SUCCESS;
}
RPXLoaderStatus RL_UnmountCurrentRunningBundle() {
std::lock_guard<std::mutex> lock(mutex);
if (gReplacementInfo.contentReplacementInfo.bundleMountInformation.isMounted == false) {
return RPX_LOADER_RESULT_SUCCESS;
}
int outRes = -1;
if (ContentRedirection_RemoveDevice(WUHB_ROMFS_PATH, &outRes) == CONTENT_REDIRECTION_RESULT_SUCCESS) {
if (outRes < 0) {
DEBUG_FUNCTION_LINE_ERR("RemoveDevice \"%s\" failed for ContentRedirection Module", WUHB_ROMFS_NAME);
OSFatal("RL_UnmountCurrentRunningBundle: RemoveDevice \"" WUHB_ROMFS_NAME "\" failed for ContentRedirection Module");
}
} else {
DEBUG_FUNCTION_LINE_ERR("ContentRedirection_RemoveDevice failed");
OSFatal("RL_UnmountCurrentRunningBundle: ContentRedirection_RemoveDevice failed");
}
RPXLoaderStatus res = RPX_LOADER_RESULT_SUCCESS;
if (contentLayerHandle != 0) {
if (ContentRedirection_RemoveFSLayer(contentLayerHandle) != CONTENT_REDIRECTION_RESULT_SUCCESS) {
res = RPX_LOADER_RESULT_UNKNOWN_ERROR;
}
contentLayerHandle = 0;
}
if (saveLayerHandle != 0) {
if (ContentRedirection_RemoveFSLayer(saveLayerHandle) != CONTENT_REDIRECTION_RESULT_SUCCESS) {
res = RPX_LOADER_RESULT_UNKNOWN_ERROR;
}
saveLayerHandle = 0;
}
if (romfsUnmount(WUHB_ROMFS_NAME) < 0) {
DEBUG_FUNCTION_LINE_WARN("Failed to unmount romfs \"%s\"", WUHB_ROMFS_NAME);
}
gReplacementInfo.contentReplacementInfo.bundleMountInformation.isMounted = false;
OSMemoryBarrier();
return res;
}
RPXLoaderStatus RL_GetVersion(RPXLoaderVersion *outVersion) {
if (!outVersion) {
return RPX_LOADER_RESULT_INVALID_ARGUMENT;
}
*outVersion = 3;
return RPX_LOADER_RESULT_SUCCESS;
}
RPXLoaderStatus RL_GetPathOfRunningExecutable(char *outBuffer, uint32_t outSize) {
if (outBuffer == nullptr || outSize == 0) {
return RPX_LOADER_RESULT_INVALID_ARGUMENT;
}
if (strlen(gReplacementInfo.lastFileLoaded) > 0) {
strncpy(outBuffer, gReplacementInfo.lastFileLoaded, outSize - 1);
return RPX_LOADER_RESULT_SUCCESS;
}
return RPX_LOADER_RESULT_NOT_AVAILABLE;
}
RPXLoaderStatus RL_GetPathOfSaveRedirection(char *outBuffer, uint32_t outSize) {
if (outBuffer == nullptr || outSize == 0) {
return RPX_LOADER_RESULT_INVALID_ARGUMENT;
}
if (saveLayerHandle != 0 && !gActiveSaveRedirectionPath.empty()) {
strncpy(outBuffer, gActiveSaveRedirectionPath.c_str(), outSize - 1);
return RPX_LOADER_RESULT_SUCCESS;
}
return RPX_LOADER_RESULT_NOT_AVAILABLE;
}
WUMS_EXPORT_FUNCTION(RL_PrepareLaunchFromSD);
WUMS_EXPORT_FUNCTION(RL_LaunchPreparedHomebrew);
WUMS_EXPORT_FUNCTION(RL_LaunchHomebrew);
WUMS_EXPORT_FUNCTION(RL_GetVersion);
WUMS_EXPORT_FUNCTION(RL_EnableContentRedirection);
WUMS_EXPORT_FUNCTION(RL_DisableContentRedirection);
WUMS_EXPORT_FUNCTION(RL_UnmountCurrentRunningBundle);
WUMS_EXPORT_FUNCTION(RL_GetPathOfRunningExecutable);
WUMS_EXPORT_FUNCTION(RL_GetPathOfSaveRedirection);
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