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PayloadLoaderInstaller/source/InstallerService.cpp
rw-r-r-0644 041cbdc41d Enable tmd hash check
2020-12-05 13:07:14 +01:00

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#include "common/common.h"
#include "utils/logger.h"
#include "WiiUScreen.h"
#include "StringTools.h"
#include "fs/FSUtils.h"
#include "common/fst_structs.h"
#include "InstallerService.h"
#include "utils/utils.h"
#include "utils/pugixml.hpp"
#include <coreinit/mcp.h>
#include <string>
#include <memory>
#include <cstdlib>
#include <malloc.h>
#include <sstream>
#include <iosuhax.h>
InstallerService::eResults InstallerService::checkCOS(const std::string &path, char *hash) {
std::string cosFilePath = path + "/code/cos.xml";
DEBUG_FUNCTION_LINE("Loading %s", cosFilePath.c_str());
pugi::xml_document doc;
pugi::xml_parse_result result = doc.load_file(cosFilePath.c_str());
if (!result) {
DEBUG_FUNCTION_LINE("failed to open %s : %s", cosFilePath.c_str(), result.description());
return COS_XML_PARSING_FAILED;
}
patchCOSXMLData(&doc);
std::stringstream ss;
doc.save(ss, " ", pugi::format_default, pugi::encoding_utf8);
std::string newHash = Utils::calculateSHA1(ss.str().c_str(), ss.str().size());
if (std::string(hash) == newHash) {
DEBUG_FUNCTION_LINE("Success! cos.xml is compatible");
return SUCCESS;
} else {
DEBUG_FUNCTION_LINE("Hash mismatch! cos.xml is NOT compatible. Expected hash: %s actual hash: %s",hash, newHash.c_str());
}
return COS_XML_HASH_MISMATCH;
}
InstallerService::eResults InstallerService::checkSystemXML(const std::string &path, uint64_t titleId) {
std::string inputFile = std::string(path + "/system.xml");
systemXMLInformation *data = nullptr;
for (int i = 0; systemXMLHashInformation[i].titleId != 0; i++) {
if (systemXMLHashInformation[i].titleId == titleId) {
data = &systemXMLHashInformation[i];
break;
}
}
if (data == nullptr) {
DEBUG_FUNCTION_LINE("system xml information were not found.");
return SYSTEM_XML_INFORMATION_NOT_FOUND;
}
DEBUG_FUNCTION_LINE("Setting coldboot to %016llX", data->titleId);
pugi::xml_document doc;
pugi::xml_parse_result resultSystem = doc.load_file(inputFile.c_str());
if (!resultSystem) {
DEBUG_FUNCTION_LINE("Error while parsing %s: %s", inputFile.c_str(), resultSystem.description());
return SYSTEM_XML_PARSING_FAILED;
}
char tmp[18];
snprintf(tmp, 17, "%016llX", data->titleId);
doc.child("system").child("default_title_id").first_child().set_value(tmp);
if (!doc.child("system").child("log").attribute("length")) {
doc.child("system").child("log").append_attribute("length") = "0";
}
if (!doc.child("system").child("standby").attribute("length")) {
doc.child("system").child("standby").append_attribute("length") = "0";
}
if (!doc.child("system").child("ramdisk").attribute("length")) {
doc.child("system").child("ramdisk").append_attribute("length") = "0";
}
std::stringstream ss;
doc.save(ss, " ", pugi::format_default, pugi::encoding_utf8);
std::string newHash = Utils::calculateSHA1(ss.str().c_str(), ss.str().size());
if (std::string(data->hash) == newHash || std::string(data->hash2) == newHash) {
DEBUG_FUNCTION_LINE("Success! system.xml is compatible");
return SUCCESS;
} else {
DEBUG_FUNCTION_LINE("Hash mismatch! system.xml is NOT compatible. Expected hash: %s actual hash: %s", data->hash, newHash.c_str());
}
return SYSTEM_XML_HASH_MISMATCH;
}
InstallerService::eResults InstallerService::checkFST(const std::string &path, const char *fstHash) {
std::string fstFilePath = path + "/code/title.fst";
uint8_t *fstData = nullptr;
uint32_t fstDataSize = 0;
DEBUG_FUNCTION_LINE("Trying to load FST from %s", fstFilePath.c_str());
if (FSUtils::LoadFileToMem(fstFilePath.c_str(), &fstData, &fstDataSize) < 0) {
DEBUG_FUNCTION_LINE("Failed to load title.fst");
return FAILED_TO_LOAD_FILE;
}
InstallerService::eResults res = patchFSTData(fstData, fstDataSize);
if (res != SUCCESS) {
free(fstData);
fstData = nullptr;
return res;
}
std::string newHash = Utils::calculateSHA1((const char *) fstData, fstDataSize);
free(fstData);
fstData = nullptr;
if (std::string(fstHash) == newHash) {
DEBUG_FUNCTION_LINE("title.fst is compatible");
return SUCCESS;
} else {
DEBUG_FUNCTION_LINE("title.fst is NOT compatible. expected hash: %s actual hash: %s", fstHash, newHash.c_str());
return FST_HASH_MISMATCH;
}
}
bool InstallerService::patchCOSXMLData(pugi::xml_document *doc) {
pugi::xml_node appEntry = doc->child("app");
appEntry.child("argstr").first_child().set_value("safe.rpx");
appEntry.child("avail_size").first_child().set_value("00000000");
appEntry.child("codegen_size").first_child().set_value("02000000");
appEntry.child("codegen_core").first_child().set_value("80000001");
appEntry.child("max_size").first_child().set_value("40000000");
appEntry.child("max_codesize").first_child().set_value("00800000");
for (pugi::xml_node permission: appEntry.child("permissions").children()) {
auto mask = permission.child("mask");
mask.first_child().set_value("FFFFFFFFFFFFFFFF");
}
return true;
}
std::optional<appInformation> InstallerService::getInstalledAppInformation() {
auto mcpHandle = (int32_t) MCP_Open();
auto titleCount = (uint32_t) MCP_TitleCount(mcpHandle);
auto *titleList = (MCPTitleListType *) memalign(32, sizeof(MCPTitleListType) * titleCount);
MCP_TitleListByAppType(mcpHandle, MCP_APP_TYPE_SYSTEM_APPS, &titleCount, titleList, sizeof(MCPTitleListType) * titleCount);
MCP_Close(mcpHandle);
DEBUG_FUNCTION_LINE("%d titles found on the WiiU", titleCount);
bool success = false;
for (uint32_t i = 0; i < titleCount; ++i) {
for (int j = 0; supportedApps[j].titleId != 0; j++) {
if (titleList[i].titleId == supportedApps[j].titleId) {
DEBUG_FUNCTION_LINE("%s is on the Wii U (%s) %d", supportedApps[j].appName, titleList[i].path, sizeof(supportedApps[j].path));
supportedApps[j].onTheWiiU = true;
strncpy(supportedApps[j].path, titleList[i].path, 255);
success = true;
break;
}
}
}
free(titleList);
if (success) {
success = false;
for (int j = 0; supportedApps[j].titleId != 0; j++) {
if (supportedApps[j].onTheWiiU) {
std::string path(supportedApps[j].path);
if (!StringTools::replace(path, "/vol/storage_mlc01", "storage_mlc_installer:")) {
DEBUG_FUNCTION_LINE("Title is not on MLC. This is not expected. %s", path.c_str());
return {};
}
strncpy(supportedApps[j].path, path.c_str(), 255);
return supportedApps[j];
}
}
}
return {};
}
std::optional<uint64_t> InstallerService::getSystemMenuTitleId() {
auto mcpHandle = (int32_t) MCP_Open();
auto titleCount = (uint32_t) 1;
auto *titleList = (MCPTitleListType *) memalign(32, sizeof(MCPTitleListType) * titleCount);
MCP_TitleListByAppType(mcpHandle, MCP_APP_TYPE_SYSTEM_MENU, &titleCount, titleList, sizeof(MCPTitleListType) * titleCount);
MCP_Close(mcpHandle);
if (titleCount != 1) {
DEBUG_FUNCTION_LINE("More than 1 System Menu title!? Found %d", titleCount);
return {};
}
if ((titleList->titleId != 0x0005001010040000L) &&
(titleList->titleId != 0x0005001010040100L) &&
(titleList->titleId != 0x0005001010040200L))
{
DEBUG_FUNCTION_LINE("Unrecognized System Menu title");
return {};
}
uint64_t menuTid = titleList->titleId;
free(titleList);
return menuTid;
}
InstallerService::eResults InstallerService::patchFSTData(uint8_t *fstData, uint32_t size) {
auto *fstHeader = (FSTHeader *) fstData;
if (strncmp(FSTHEADER_MAGIC, fstHeader->magic, 3) != 0) {
DEBUG_FUNCTION_LINE("FST magic is wrong %s", fstHeader->magic);
return InstallerService::FST_HEADER_MISMATCH;
}
auto numberOfSections = fstHeader->numberOfSections;
DEBUG_FUNCTION_LINE("Found %d sections", numberOfSections);
auto *sections = (FSTSectionEntry *) (fstData + sizeof(FSTHeader));
auto usableSectionIndex = -1;
for (uint32_t i = 0; i < numberOfSections; i++) {
if (sections[i].hashMode == 2) {
usableSectionIndex = i;
}
}
if (usableSectionIndex < 0) {
DEBUG_FUNCTION_LINE("Failed to find suitable section");
return InstallerService::FST_NO_USABLE_SECTION_FOUND;
} else {
DEBUG_FUNCTION_LINE("Section %d can be used as a base", usableSectionIndex);
}
auto *rootEntry = (FSTNodeEntry *) (fstData + sizeof(FSTHeader) + numberOfSections * sizeof(FSTSectionEntry));
auto numberOfNodeEntries = rootEntry->directory.lastEntryNumber;
char *stringTableOffset = (char *) ((uint32_t) rootEntry + (sizeof(FSTNodeEntry) * numberOfNodeEntries));
FSTNodeEntry *nodeEntries = rootEntry;
for (uint32_t i = 0; i < numberOfNodeEntries; i++) {
if (sections[nodeEntries[i].sectionNumber].hashMode != 2) {
auto nameOffset = (*((uint32_t *) nodeEntries[i].nameOffset) & 0xFFFFFF00) >> 8;
DEBUG_FUNCTION_LINE("Updating sectionNumber for %s (entry %d)", stringTableOffset + nameOffset, i);
nodeEntries[i].sectionNumber = usableSectionIndex;
}
}
return InstallerService::SUCCESS;
}
std::string InstallerService::ErrorDescription(InstallerService::eResults error) {
if (error == SUCCESS) {
return "Success";
} else if (error == NO_COMPATIBLE_APP_INSTALLED) {
return "No compatible application was found on the console.";
} else if (error == FAILED_TO_COPY_FILES) {
return "Unable to copy files.";
} else if (error == FAILED_TO_CHECK_HASH_COPIED_FILES) {
return "The copy of a file has a different hash.";
} else if (error == SYSTEM_XML_INFORMATION_NOT_FOUND) {
return "Expected hashes for the target system.xml were not found.";
} else if (error == SYSTEM_XML_PARSING_FAILED) {
return "Failed to parse the system.xml";
} else if (error == SYSTEM_XML_HASH_MISMATCH_RESTORE_FAILED) {
return "DO NOT REBOOT BEFORE FIXING THIS: Failed to restore the system.xml after an error.";
} else if (error == SYSTEM_XML_HASH_MISMATCH) {
return "The patched system.xml had an unexpected hash but was successfully restored";
} else if (error == RPX_HASH_MISMATCH) {
return "The installed safe.rpx had an unexpected hash but was successfully restored";
} else if (error == RPX_HASH_MISMATCH_RESTORE_FAILED) {
return "DO NOT REBOOT BEFORE FIXING THIS: Failed to restore the safe.rpx after an error.";
} else if (error == COS_XML_PARSING_FAILED) {
return "Failed to parse the cos.xml";
} else if (error == COS_XML_HASH_MISMATCH) {
return "The patched cos.xml had an unexpected hash but was successfully restored";
} else if (error == COS_XML_HASH_MISMATCH_RESTORE_FAILED) {
return "DO NOT REBOOT BEFORE FIXING THIS: Failed to restore the cos.xml after an error";
} else if (error == MALLOC_FAILED) {
return "Failed to allocate memory";
} else if (error == FST_HASH_MISMATCH) {
return "The patched title.fst had an unexpected hash but was successfully restored";
} else if (error == FST_HASH_MISMATCH_RESTORE_FAILED) {
return "DO NOT REBOOT BEFORE FIXING THIS: Failed to restore the title.fst after an error";
} else if (error == FST_HEADER_MISMATCH) {
return "Unexpected header in title.fst found. The file is probably broken.";
} else if (error == FST_NO_USABLE_SECTION_FOUND) {
return "Unable to patch title.fst to allow FailST";
} else if (error == FAILED_TO_LOAD_FILE) {
return "Failed to load file.";
} else {
return "UNKNOWN ERROR";
}
}
std::string InstallerService::ErrorMessage(InstallerService::eResults error) {
if (error == SUCCESS) {
return "Success";
} else if (error == NO_COMPATIBLE_APP_INSTALLED) {
return "NO_COMPATIBLE_APP_INSTALLED";
} else if (error == FAILED_TO_COPY_FILES) {
return "FAILED_TO_COPY_FILES";
} else if (error == FAILED_TO_CHECK_HASH_COPIED_FILES) {
return "FAILED_TO_CHECK_HASH_COPIED_FILES";
} else if (error == SYSTEM_XML_INFORMATION_NOT_FOUND) {
return "SYSTEM_XML_INFORMATION_NOT_FOUND";
} else if (error == SYSTEM_XML_PARSING_FAILED) {
return "SYSTEM_XML_PARSING_FAILED";
} else if (error == SYSTEM_XML_HASH_MISMATCH_RESTORE_FAILED) {
return "SYSTEM_XML_HASH_MISMATCH_RESTORE_FAILED";
} else if (error == SYSTEM_XML_HASH_MISMATCH) {
return "SYSTEM_XML_HASH_MISMATCH";
} else if (error == RPX_HASH_MISMATCH) {
return "RPX_HASH_MISMATCH";
} else if (error == RPX_HASH_MISMATCH_RESTORE_FAILED) {
return "RPX_HASH_MISMATCH_RESTORE_FAILED";
} else if (error == COS_XML_PARSING_FAILED) {
return "COS_XML_PARSING_FAILED";
} else if (error == COS_XML_HASH_MISMATCH) {
return "COS_XML_HASH_MISMATCH";
} else if (error == COS_XML_HASH_MISMATCH_RESTORE_FAILED) {
return "COS_XML_HASH_MISMATCH_RESTORE_FAILED";
} else if (error == MALLOC_FAILED) {
return "MALLOC_FAILED";
} else if (error == FST_HASH_MISMATCH) {
return "FST_HASH_MISMATCH";
} else if (error == FST_HASH_MISMATCH_RESTORE_FAILED) {
return "FST_HASH_MISMATCH_RESTORE_FAILED";
} else if (error == FST_HEADER_MISMATCH) {
return "FST_HEADER_MISMATCH";
} else if (error == FST_NO_USABLE_SECTION_FOUND) {
return "FST_NO_USABLE_SECTION_FOUND";
} else if (error == FAILED_TO_LOAD_FILE) {
return "FAILED_TO_LOAD_FILE";
} else {
return "UNKNOWN ERROR";
}
}
bool InstallerService::isBackupAvailable(const std::string &path) {
std::string backupList[] = {
{"/content/title.fst.bak"},
{"/content/cos.xml.bak" },
{"/content/safe.rpx.bak" },
};
for (auto &backupEntry : backupList) {
std::string backupFile = path + backupEntry;
std::string backupSha1 = backupFile + ".sha1";
if (!FSUtils::CheckFile(backupFile.c_str())) {
return false;
}
if (!FSUtils::CheckFile(backupSha1.c_str())) {
continue;
}
uint8_t *sha1FileCont;
uint32_t sha1FileSize;
FSUtils::LoadFileToMem(backupSha1.c_str(), &sha1FileCont, &sha1FileSize);
if (!sha1FileCont) {
return false;
}
std::string savedHash = std::string(sha1FileCont, sha1FileCont + sha1FileSize);
std::string fileHash = Utils::hashFile(backupFile);
if (fileHash != savedHash) {
return false;
}
}
return true;
}
InstallerService::eResults InstallerService::restoreAppFiles(const std::string &path) {
std::string backupList[][2] = {
{"/code/title.fst", "/content/title.fst.bak"},
{"/code/cos.xml", "/content/cos.xml.bak" },
{"/code/safe.rpx", "/content/safe.rpx.bak" },
};
for (auto &backupOp : backupList) {
std::string destPath = path + backupOp[0];
std::string backupPath = path + backupOp[1];
if (!FSUtils::copyFile(backupPath, destPath)) {
DEBUG_FUNCTION_LINE("Failed to copy files");
return FAILED_TO_COPY_FILES;
}
std::string srcHash = Utils::hashFile(backupPath);
std::string dstHash = Utils::hashFile(destPath);
if (srcHash != dstHash) {
DEBUG_FUNCTION_LINE("Hashes do not match. %s %s", srcHash.c_str(), dstHash.c_str());
return FAILED_TO_CHECK_HASH_COPIED_FILES;
}
}
for (auto &backupOp : backupList) {
std::string backupPath = path + backupOp[1];
std::string backupSha1Path = backupPath + ".sha1";
::remove(backupPath.c_str());
::remove(backupSha1Path.c_str());
}
DEBUG_FUNCTION_LINE("Successfully restored app files");
return SUCCESS;
}
InstallerService::eResults InstallerService::backupAppFiles(const std::string &path) {
std::string backupList[][2] = {
{"/code/title.fst", "/content/title.fst.bak"},
{"/code/cos.xml", "/content/cos.xml.bak" },
{"/code/safe.rpx", "/content/safe.rpx.bak" },
};
for (auto &backupOp : backupList) {
std::string backupSrc = path + backupOp[0];
std::string backupDst = path + backupOp[1];
std::string backupSha1 = backupDst + ".sha1";
if (FSUtils::CheckFile(backupDst.c_str())) {
DEBUG_FUNCTION_LINE("Already backed up: %s", backupSrc.c_str());
continue;
}
if (!FSUtils::copyFile(backupSrc, backupDst)) {
DEBUG_FUNCTION_LINE("Failed to copy files");
return FAILED_TO_COPY_FILES;
}
std::string srcHash = Utils::hashFile(backupSrc);
std::string dstHash = Utils::hashFile(backupDst);
if (srcHash != dstHash) {
::remove(backupDst.c_str());
DEBUG_FUNCTION_LINE("Hashes do not match. %s %s", srcHash.c_str(), dstHash.c_str());
return FAILED_TO_CHECK_HASH_COPIED_FILES;
}
FSUtils::saveBufferToFile(backupSha1.c_str(), srcHash.c_str(), srcHash.size());
}
DEBUG_FUNCTION_LINE("Successfully backed up app files");
return SUCCESS;
}
InstallerService::eResults InstallerService::patchFST(const std::string &path, const char *fstHash) {
std::string fstFilePath = path + "/code/title.fst";
std::string fstBackupFilePath = path + "/code/backup.fst";
std::string fstTargetFilePath = path + "/code/title.fst";
if (!FSUtils::copyFile(fstFilePath, fstBackupFilePath)) {
DEBUG_FUNCTION_LINE("Failed to copy files");
return FAILED_TO_COPY_FILES;
}
std::string srcHash = Utils::hashFile(fstFilePath);
std::string dstHash = Utils::hashFile(fstBackupFilePath);
if (srcHash != dstHash) {
::remove(fstBackupFilePath.c_str());
DEBUG_FUNCTION_LINE("Hashes do not match. %s %s", srcHash.c_str(), dstHash.c_str());
return FAILED_TO_CHECK_HASH_COPIED_FILES;
}
uint8_t *fstData = nullptr;
uint32_t fstDataSize = 0;
DEBUG_FUNCTION_LINE("Trying to load FST from %s", fstFilePath.c_str());
if (FSUtils::LoadFileToMem(fstFilePath.c_str(), &fstData, &fstDataSize) < 0) {
DEBUG_FUNCTION_LINE("Failed to load title.fst");
return FAILED_TO_LOAD_FILE;
}
InstallerService::eResults res = patchFSTData(fstData, fstDataSize);
if (res != SUCCESS) {
free(fstData);
return res;
}
FSUtils::saveBufferToFile(fstTargetFilePath.c_str(), fstData, fstDataSize);
free(fstData);
fstData = nullptr;
std::string newHash = Utils::hashFile(fstTargetFilePath);
if (std::string(fstHash) == newHash) {
::remove(fstBackupFilePath.c_str());
DEBUG_FUNCTION_LINE("Successfully patched the title.fst");
return SUCCESS;
} else {
DEBUG_FUNCTION_LINE("Hash mismatch! Expected %s but got %s while patching FST", fstHash, newHash.c_str());
}
FSUtils::copyFile(fstBackupFilePath, fstTargetFilePath);
std::string srcHash2 = Utils::hashFile(fstTargetFilePath);
if (srcHash != srcHash2) {
DEBUG_FUNCTION_LINE("Something went wrong. Failed to restore the title.fst. DO NOT RESTART THE SYSTEM until you manually restored the title.fst");
return FST_HASH_MISMATCH_RESTORE_FAILED;
}
::remove(fstBackupFilePath.c_str());
return FST_HASH_MISMATCH;
}
InstallerService::eResults InstallerService::patchCOS(const std::string &path, char *hash) {
std::string cosFilePath = path + "/code/cos.xml";
std::string cosBackupFilePath = path + "/code/cback.xml";
std::string cosTargetFilePath = path + "/code/cos.xml";
if (!FSUtils::copyFile(cosFilePath, cosBackupFilePath)) {
DEBUG_FUNCTION_LINE("Failed to copy files");
return FAILED_TO_COPY_FILES;
}
std::string srcHash = Utils::hashFile(cosFilePath);
std::string dstHash = Utils::hashFile(cosBackupFilePath);
if (srcHash != dstHash) {
::remove(cosBackupFilePath.c_str());
DEBUG_FUNCTION_LINE("Hashes do not match. %s %s", srcHash.c_str(), dstHash.c_str());
return FAILED_TO_CHECK_HASH_COPIED_FILES;
}
pugi::xml_document doc;
pugi::xml_parse_result result = doc.load_file(cosFilePath.c_str());
if (!result) {
::remove(cosBackupFilePath.c_str());
DEBUG_FUNCTION_LINE("failed to open %s : %s", cosFilePath.c_str(), result.description());
return COS_XML_PARSING_FAILED;
}
patchCOSXMLData(&doc);
doc.save_file(cosTargetFilePath.c_str(), " ", pugi::format_default, pugi::encoding_utf8);
std::string newHash = Utils::hashFile(cosTargetFilePath);
if (std::string(hash) == newHash) {
::remove(cosBackupFilePath.c_str());
DEBUG_FUNCTION_LINE("Successfully patched the cos.xml");
return SUCCESS;
} else {
DEBUG_FUNCTION_LINE("Hash mismatch! Expected %s but got %s while patching cos.xml", hash, newHash.c_str());
}
FSUtils::copyFile(cosBackupFilePath, cosTargetFilePath);
std::string srcHash2 = Utils::hashFile(cosTargetFilePath);
if (srcHash != srcHash2) {
DEBUG_FUNCTION_LINE("Something went wrong. Failed to restore the title.fst. DO NOT RESTART THE SYSTEM until you manually restored the cos.xml");
return COS_XML_HASH_MISMATCH_RESTORE_FAILED;
}
::remove(cosBackupFilePath.c_str());
return COS_XML_HASH_MISMATCH;
}
InstallerService::eResults InstallerService::copyRPX(const std::string &path, const uint8_t *rpx_data, size_t size, const std::string &rpx_hash) {
std::string rpxSourceFilePath = path + "/code/safe.rpx";
std::string rpxBackupFilePath = path + "/code/sbac.rpx";
std::string rpxTargetFilePath = path + "/code/safe.rpx";
if (!FSUtils::copyFile(rpxSourceFilePath, rpxBackupFilePath)) {
DEBUG_CONSOLE_LOG("Failed to copy files");
return FAILED_TO_COPY_FILES;
}
std::string srcHash = Utils::hashFile(rpxSourceFilePath);
std::string dstHash = Utils::hashFile(rpxBackupFilePath);
if (srcHash != dstHash) {
::remove(rpxBackupFilePath.c_str());
DEBUG_CONSOLE_LOG("Hashes do not match. %s %s", srcHash.c_str(), dstHash.c_str());
return FAILED_TO_CHECK_HASH_COPIED_FILES;
}
if (FSUtils::saveBufferToFile(rpxTargetFilePath.c_str(), (void *) rpx_data, size) < 0) {
DEBUG_CONSOLE_LOG("Cannot save rpx to file %s", rpxTargetFilePath.c_str());
return SUCCESS;
}
std::string newHash = Utils::hashFile(rpxTargetFilePath);
if (StringTools::strCompareIC(rpx_hash, newHash)) {
::remove(rpxBackupFilePath.c_str());
DEBUG_CONSOLE_LOG("Successfully patched the safe.rpx");
return SUCCESS;
} else {
DEBUG_CONSOLE_LOG("Hash mismatch! Expected %s but got %s while patching safe.rpx", rpx_hash.c_str(), newHash.c_str());
}
FSUtils::copyFile(rpxBackupFilePath, rpxTargetFilePath);
std::string srcHash2 = Utils::hashFile(rpxTargetFilePath);
if (srcHash != srcHash2) {
DEBUG_CONSOLE_LOG("Something went wrong. Failed to restore the safe.rpx. DO NOT RESTART THE SYSTEM until you manually restored the safe.rpx");
return RPX_HASH_MISMATCH_RESTORE_FAILED;
}
::remove(rpxBackupFilePath.c_str());
return RPX_HASH_MISMATCH;
}
InstallerService::eResults InstallerService::patchSystemXML(const std::string &path, uint64_t titleId) {
std::string inputFile = std::string(path + "/system.xml");
std::string backupFile = std::string(path + "/sbackup.xml");
std::string finalFile = std::string(path + "/system.xml");
if (!FSUtils::copyFile(inputFile, backupFile)) {
DEBUG_CONSOLE_LOG("Failed to copy files");
return FAILED_TO_COPY_FILES;
}
std::string srcHash = Utils::hashFile(inputFile);
std::string dstHash = Utils::hashFile(backupFile);
if (srcHash != dstHash) {
::remove(backupFile.c_str());
DEBUG_CONSOLE_LOG("Hashes do not match. %s %s", srcHash.c_str(), dstHash.c_str());
return FAILED_TO_CHECK_HASH_COPIED_FILES;
}
systemXMLInformation *data = nullptr;
for (int i = 0; systemXMLHashInformation[i].titleId != 0; i++) {
if (systemXMLHashInformation[i].titleId == titleId) {
data = &systemXMLHashInformation[i];
break;
}
}
if (data == nullptr) {
::remove(backupFile.c_str());
DEBUG_FUNCTION_LINE("Data was NULL");
return SYSTEM_XML_INFORMATION_NOT_FOUND;
}
pugi::xml_document doc;
pugi::xml_parse_result resultSystem = doc.load_file(inputFile.c_str());
if (!resultSystem) {
::remove(backupFile.c_str());
DEBUG_FUNCTION_LINE("Error while parsing %s: %s", inputFile.c_str(), resultSystem.description());
return SYSTEM_XML_PARSING_FAILED;
}
char tmp[18];
snprintf(tmp, 17, "%016llX", data->titleId);
doc.child("system").child("default_title_id").first_child().set_value(tmp);
if (!doc.child("system").child("log").attribute("length")) {
doc.child("system").child("log").append_attribute("length") = "0";
}
if (!doc.child("system").child("standby").attribute("length")) {
doc.child("system").child("standby").append_attribute("length") = "0";
}
if (!doc.child("system").child("ramdisk").attribute("length")) {
doc.child("system").child("ramdisk").append_attribute("length") = "0";
}
doc.save_file(finalFile.c_str(), " ", pugi::format_default, pugi::encoding_utf8);
std::string newHash = Utils::hashFile(finalFile);
if (std::string(data->hash) == newHash || std::string(data->hash2) == newHash) {
::remove(backupFile.c_str());
DEBUG_FUNCTION_LINE("Successfully patched the system.xml");
return SUCCESS;
} else {
DEBUG_FUNCTION_LINE("Hash mismatch! Expected %s but got %s while setting default titleID to %s", data->hash, newHash.c_str(), data->titleId);
}
FSUtils::copyFile(backupFile, finalFile);
std::string srcHash2 = Utils::hashFile(finalFile);
if (srcHash != srcHash2) {
DEBUG_FUNCTION_LINE("Something went wrong. Failed to restore the system.xml. DO NOT RESTART THE SYSTEM until you manually restored the system.xml");
return SYSTEM_XML_HASH_MISMATCH_RESTORE_FAILED;
}
::remove(backupFile.c_str());
return SYSTEM_XML_HASH_MISMATCH;
}
uint64_t InstallerService::getColdbootTitleId(const std::string &path) {
std::string inputFile = std::string(path + "/system.xml");
pugi::xml_document doc;
pugi::xml_parse_result resultSystem = doc.load_file(inputFile.c_str());
if (!resultSystem) {
DEBUG_FUNCTION_LINE("Error while parsing %s: %s", inputFile.c_str(), resultSystem.description());
return SYSTEM_XML_PARSING_FAILED;
}
DEBUG_FUNCTION_LINE("%s", doc.child("system").child("default_title_id").first_child().value());
uint64_t result = strtoull(doc.child("system").child("default_title_id").first_child().value(), nullptr, 16);
return result;
}
InstallerService::eResults InstallerService::checkFSTAlreadyValid(const std::string &path, const std::string &hash) {
std::string filePath = path + "/code/title.fst";
return checkFileHash(filePath, hash);
}
InstallerService::eResults InstallerService::checkTMDValid(const std::string &path, const std::string &hash) {
std::string filePath = path + "/code/title.tmd";
return checkFileHash(filePath, hash);
}
InstallerService::eResults InstallerService::checkCOSAlreadyValid(const std::string &path, const std::string &hash) {
std::string filePath = path + "/code/cos.xml";
return checkFileHash(filePath, hash);
}
InstallerService::eResults InstallerService::checkRPXAlreadyValid(const std::string &path, const std::string &hash) {
std::string filePath = path + "/code/safe.rpx";
return checkFileHash(filePath, hash);
}
InstallerService::eResults InstallerService::checkFileHash(const std::string &filePath, const std::string &hash) {
uint8_t *fileData = nullptr;
uint32_t fileDataSize = 0;
if (FSUtils::LoadFileToMem(filePath.c_str(), &fileData, &fileDataSize) < 0) {
return FAILED_TO_LOAD_FILE;
}
std::string newHash = Utils::calculateSHA1((const char *) fileData, fileDataSize);
free(fileData);
fileData = nullptr;
if (StringTools::strCompareIC(hash, newHash)) {
return SUCCESS;
} else {
DEBUG_FUNCTION_LINE("expected %s actual %s", hash.c_str(), newHash.c_str());
return FST_HASH_MISMATCH;
}
}
InstallerService::eResults InstallerService::setBootTitle(uint64_t titleId) {
InstallerService::eResults result;
if ((result = checkSystemXML("storage_slc_installer:/config", titleId)) != SUCCESS) {
return result;
}
if ((result = patchSystemXML("storage_slc_installer:/config", titleId)) != SUCCESS) {
return result;
}
auto fsaFd = IOSUHAX_FSA_Open();
if (fsaFd >= 0) {
if (IOSUHAX_FSA_FlushVolume(fsaFd, "/vol/storage_mlc01") == 0) {
DEBUG_FUNCTION_LINE("Flushed mlc");
}
if (IOSUHAX_FSA_FlushVolume(fsaFd, "/vol/system") == 0) {
DEBUG_FUNCTION_LINE("Flushed slc");
}
IOSUHAX_FSA_Close(fsaFd);
} else {
DEBUG_FUNCTION_LINE("Failed to open fsa");
}
return SUCCESS;
}
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