A tool for deriving PKG packet encryption keys for ps4 written in c++
| 1 | #include "iso_extractor.h" |
| 2 | #include "common/logging/log.h" |
| 3 | #include <cstdlib> |
| 4 | #include <cstring> |
| 5 | #include <fstream> |
| 6 | |
| 7 | namespace ShadPKG { |
| 8 | |
| 9 | ISOExtractor::ISOExtractor() = default; |
| 10 | |
| 11 | ISOExtractor::~ISOExtractor() = default; |
| 12 | |
| 13 | bool ISOExtractor::isValidISO(const std::filesystem::path &isoPath) { |
| 14 | if (!std::filesystem::exists(isoPath)) { |
| 15 | return false; |
| 16 | } |
| 17 | |
| 18 | std::ifstream file(isoPath, std::ios::binary); |
| 19 | if (!file.is_open()) { |
| 20 | return false; |
| 21 | } |
| 22 | |
| 23 | // Check for ISO 9660 signature at offset 0x8001 |
| 24 | file.seekg(0x8001); |
| 25 | char sig[5] = {0}; |
| 26 | file.read(sig, 5); |
| 27 | |
| 28 | // Check for "CD001" (ISO 9660) or UDF signatures |
| 29 | if (std::strncmp(sig, "CD001", 5) == 0) { |
| 30 | return true; |
| 31 | } |
| 32 | |
| 33 | // Check for UDF signature |
| 34 | file.seekg(0x8000); |
| 35 | file.read(sig, 5); |
| 36 | if (std::strncmp(sig, "BEA01", 5) == 0) { |
| 37 | return true; |
| 38 | } |
| 39 | |
| 40 | return false; |
| 41 | } |
| 42 | |
| 43 | std::string ISOExtractor::detectISOType(const std::filesystem::path &isoPath) { |
| 44 | std::ifstream file(isoPath, std::ios::binary); |
| 45 | if (!file.is_open()) { |
| 46 | return "unknown"; |
| 47 | } |
| 48 | |
| 49 | // Check for PS3 SYSTEM.CNF marker |
| 50 | file.seekg(0); |
| 51 | std::vector<char> buffer(1024); |
| 52 | file.read(buffer.data(), buffer.size()); |
| 53 | |
| 54 | std::string content(buffer.begin(), buffer.end()); |
| 55 | if (content.find("BOOT2") != std::string::npos) { |
| 56 | return "PS3"; |
| 57 | } |
| 58 | if (content.find("BOOT") != std::string::npos) { |
| 59 | return "PS2"; |
| 60 | } |
| 61 | |
| 62 | return "unknown"; |
| 63 | } |
| 64 | |
| 65 | ISOExtractor::ExtractionResult |
| 66 | ISOExtractor::extract(const std::filesystem::path &isoPath, |
| 67 | const std::filesystem::path &outputDir) { |
| 68 | ExtractionResult result; |
| 69 | |
| 70 | if (!isValidISO(isoPath)) { |
| 71 | result.errorMessage = "Invalid ISO file"; |
| 72 | LOG_ERROR(Common, "Invalid ISO: {}", isoPath.string()); |
| 73 | return result; |
| 74 | } |
| 75 | |
| 76 | std::filesystem::path mountPoint = outputDir / "iso_mount"; |
| 77 | std::filesystem::create_directories(mountPoint); |
| 78 | |
| 79 | // Mount ISO |
| 80 | if (!mountISO(isoPath, mountPoint)) { |
| 81 | result.errorMessage = "Failed to mount ISO"; |
| 82 | LOG_ERROR(Common, "Failed to mount ISO: {}", isoPath.string()); |
| 83 | return result; |
| 84 | } |
| 85 | |
| 86 | // Extract metadata |
| 87 | extractMetadata(mountPoint, result.gameTitle, result.gameID); |
| 88 | |
| 89 | // Find main executable |
| 90 | std::filesystem::path exePath = findMainExecutable(mountPoint); |
| 91 | if (exePath.empty()) { |
| 92 | result.errorMessage = "Could not find main executable"; |
| 93 | LOG_ERROR(Common, "No executable found in ISO"); |
| 94 | unmountISO(mountPoint); |
| 95 | return result; |
| 96 | } |
| 97 | |
| 98 | // Copy executable to output directory BEFORE unmounting |
| 99 | std::filesystem::path outputExe = outputDir / exePath.filename(); |
| 100 | try { |
| 101 | LOG_INFO(Common, "Copying executable from {} to {}", exePath.string(), outputExe.string()); |
| 102 | std::filesystem::copy_file(exePath, outputExe, |
| 103 | std::filesystem::copy_options::overwrite_existing); |
| 104 | result.extractedExecutable = outputExe; |
| 105 | result.extractedFiles.push_back(outputExe); |
| 106 | LOG_INFO(Common, "Successfully copied executable"); |
| 107 | } catch (const std::exception &e) { |
| 108 | result.errorMessage = std::string("Failed to copy executable: ") + e.what(); |
| 109 | LOG_ERROR(Common, "{}", result.errorMessage); |
| 110 | unmountISO(mountPoint); |
| 111 | return result; |
| 112 | } |
| 113 | |
| 114 | // Unmount ISO |
| 115 | unmountISO(mountPoint); |
| 116 | |
| 117 | result.success = true; |
| 118 | LOG_INFO(Common, "ISO extraction successful: {}", result.extractedExecutable.string()); |
| 119 | return result; |
| 120 | } |
| 121 | |
| 122 | bool ISOExtractor::extractFile(const std::filesystem::path &isoPath, |
| 123 | const std::string &internalPath, |
| 124 | const std::filesystem::path &outputPath) { |
| 125 | std::filesystem::path mountPoint = std::filesystem::temp_directory_path() / "iso_temp"; |
| 126 | std::filesystem::create_directories(mountPoint); |
| 127 | |
| 128 | if (!mountISO(isoPath, mountPoint)) { |
| 129 | return false; |
| 130 | } |
| 131 | |
| 132 | std::filesystem::path sourcePath = mountPoint / internalPath; |
| 133 | bool success = false; |
| 134 | |
| 135 | if (std::filesystem::exists(sourcePath)) { |
| 136 | try { |
| 137 | std::filesystem::copy_file(sourcePath, outputPath, |
| 138 | std::filesystem::copy_options::overwrite_existing); |
| 139 | success = true; |
| 140 | } catch (const std::exception &e) { |
| 141 | LOG_ERROR(Common, "Failed to copy file: {}", e.what()); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | unmountISO(mountPoint); |
| 146 | return success; |
| 147 | } |
| 148 | |
| 149 | bool ISOExtractor::mountISO(const std::filesystem::path &isoPath, |
| 150 | std::filesystem::path &mountPoint) { |
| 151 | #ifdef __APPLE__ |
| 152 | // macOS: use hdiutil |
| 153 | std::string cmd = "hdiutil attach -readonly \"" + isoPath.string() + |
| 154 | "\" -mountpoint \"" + mountPoint.string() + "\" 2>/dev/null"; |
| 155 | int ret = std::system(cmd.c_str()); |
| 156 | return ret == 0; |
| 157 | #elif defined(__linux__) |
| 158 | // Linux: use mount |
| 159 | std::string cmd = "sudo mount -o loop,ro \"" + isoPath.string() + |
| 160 | "\" \"" + mountPoint.string() + "\" 2>/dev/null"; |
| 161 | int ret = std::system(cmd.c_str()); |
| 162 | return ret == 0; |
| 163 | #else |
| 164 | LOG_ERROR(Common, "ISO mounting not supported on this platform"); |
| 165 | return false; |
| 166 | #endif |
| 167 | } |
| 168 | |
| 169 | bool ISOExtractor::unmountISO(const std::filesystem::path &mountPoint) { |
| 170 | #ifdef __APPLE__ |
| 171 | std::string cmd = "hdiutil detach \"" + mountPoint.string() + "\" 2>/dev/null"; |
| 172 | std::system(cmd.c_str()); |
| 173 | return true; |
| 174 | #elif defined(__linux__) |
| 175 | std::string cmd = "sudo umount \"" + mountPoint.string() + "\" 2>/dev/null"; |
| 176 | std::system(cmd.c_str()); |
| 177 | return true; |
| 178 | #else |
| 179 | return false; |
| 180 | #endif |
| 181 | } |
| 182 | |
| 183 | std::filesystem::path ISOExtractor::findMainExecutable( |
| 184 | const std::filesystem::path &mountPoint) { |
| 185 | // PS3: Look for .elf files in BIN/ directory |
| 186 | std::filesystem::path binDir = mountPoint / "BIN"; |
| 187 | if (std::filesystem::exists(binDir)) { |
| 188 | for (const auto &entry : std::filesystem::directory_iterator(binDir)) { |
| 189 | if (entry.is_regular_file()) { |
| 190 | std::string filename = entry.path().filename().string(); |
| 191 | // PS3 executables are usually *.BIN or *.elf |
| 192 | if (filename.find(".BIN") != std::string::npos || |
| 193 | filename.find(".elf") != std::string::npos || |
| 194 | filename.find(".ELF") != std::string::npos) { |
| 195 | return entry.path(); |
| 196 | } |
| 197 | } |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | // PS2: Look for *.ELF in root or BIN/ |
| 202 | for (const auto &entry : std::filesystem::recursive_directory_iterator(mountPoint)) { |
| 203 | if (entry.is_regular_file()) { |
| 204 | std::string filename = entry.path().filename().string(); |
| 205 | if (filename.find(".ELF") != std::string::npos || |
| 206 | filename.find(".elf") != std::string::npos) { |
| 207 | return entry.path(); |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | return std::filesystem::path(); |
| 213 | } |
| 214 | |
| 215 | bool ISOExtractor::extractMetadata(const std::filesystem::path &mountPoint, |
| 216 | std::string &gameTitle, |
| 217 | std::string &gameID) { |
| 218 | // Try to read SYSTEM.CNF for PS2/PS3 |
| 219 | std::filesystem::path systemCnf = mountPoint / "SYSTEM.CNF"; |
| 220 | if (std::filesystem::exists(systemCnf)) { |
| 221 | std::ifstream file(systemCnf); |
| 222 | std::string line; |
| 223 | while (std::getline(file, line)) { |
| 224 | if (line.find("TITLE") != std::string::npos) { |
| 225 | size_t pos = line.find('='); |
| 226 | if (pos != std::string::npos) { |
| 227 | gameTitle = line.substr(pos + 1); |
| 228 | // Trim whitespace |
| 229 | gameTitle.erase(0, gameTitle.find_first_not_of(" \t")); |
| 230 | gameTitle.erase(gameTitle.find_last_not_of(" \t") + 1); |
| 231 | } |
| 232 | } |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | // Try to extract game ID from filename or directory |
| 237 | for (const auto &entry : std::filesystem::directory_iterator(mountPoint)) { |
| 238 | std::string name = entry.path().filename().string(); |
| 239 | if (name.find("SLUS") != std::string::npos || |
| 240 | name.find("SLPM") != std::string::npos || |
| 241 | name.find("SCUS") != std::string::npos) { |
| 242 | gameID = name; |
| 243 | break; |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | return !gameTitle.empty() || !gameID.empty(); |
| 248 | } |
| 249 | |
| 250 | } // namespace ShadPKG |
| 251 |