add xbox disk file formats
This commit is contained in:
Martin Michelsen
+131
-79
@@ -859,85 +859,6 @@ Action a_encrypt_vms_save("encrypt-vms-save", "\
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hexadecimal value.\n",
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a_encrypt_decrypt_vms_save_fn);
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static void a_encrypt_decrypt_gci_save_fn(phosg::Arguments& args) {
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bool is_decrypt = (args.get<string>(0) == "decrypt-gci-save");
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bool skip_checksum = args.get<bool>("skip-checksum");
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string seed = args.get<string>("seed");
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string system_filename = args.get<string>("sys");
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int64_t override_round2_seed = args.get<int64_t>("round2-seed", -1, phosg::Arguments::IntFormat::HEX);
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uint32_t round1_seed;
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if (!system_filename.empty()) {
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string system_data = phosg::load_file(system_filename);
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phosg::StringReader r(system_data);
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const auto& header = r.get<PSOGCIFileHeader>();
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header.check();
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const auto& system = r.get<PSOGCSystemFile>();
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round1_seed = system.creation_timestamp;
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} else if (!seed.empty()) {
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round1_seed = stoul(seed, nullptr, 16);
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} else {
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throw runtime_error("either --sys or --seed must be given");
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}
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auto data = read_input_data(args);
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phosg::StringReader r(data);
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const auto& header = r.get<PSOGCIFileHeader>();
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header.check();
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size_t data_start_offset = r.where();
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auto process_file = [&]<typename StructT>() {
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if (is_decrypt) {
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const void* data_section = r.getv(header.data_size);
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auto decrypted = decrypt_fixed_size_data_section_t<StructT, true>(
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data_section, header.data_size, round1_seed, skip_checksum, override_round2_seed);
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*reinterpret_cast<StructT*>(data.data() + data_start_offset) = decrypted;
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} else {
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const auto& s = r.get<StructT>();
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auto encrypted = encrypt_fixed_size_data_section_t<StructT, true>(s, round1_seed);
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if (data_start_offset + encrypted.size() > data.size()) {
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throw runtime_error("encrypted result exceeds file size");
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}
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memcpy(data.data() + data_start_offset, encrypted.data(), encrypted.size());
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}
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};
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if (header.data_size == sizeof(PSOGCGuildCardFile)) {
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process_file.template operator()<PSOGCGuildCardFile>();
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} else if (header.is_ep12() && (header.data_size == sizeof(PSOGCCharacterFile))) {
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process_file.template operator()<PSOGCCharacterFile>();
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} else if (header.is_ep3() && (header.data_size == sizeof(PSOGCEp3CharacterFile))) {
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auto* charfile = reinterpret_cast<PSOGCEp3CharacterFile*>(data.data() + data_start_offset);
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if (!is_decrypt) {
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for (size_t z = 0; z < charfile->characters.size(); z++) {
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charfile->characters[z].ep3_config.encrypt(phosg::random_object<uint8_t>());
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}
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}
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process_file.template operator()<PSOGCEp3CharacterFile>();
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if (is_decrypt) {
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for (size_t z = 0; z < charfile->characters.size(); z++) {
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charfile->characters[z].ep3_config.decrypt();
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}
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}
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} else {
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throw runtime_error("unrecognized save type");
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}
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write_output_data(args, data.data(), data.size(), is_decrypt ? "gcid" : "gci");
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}
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Action a_decrypt_gci_save("decrypt-gci-save", nullptr, a_encrypt_decrypt_gci_save_fn);
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Action a_encrypt_gci_save("encrypt-gci-save", "\
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encrypt-gci-save CRYPT-OPTION INPUT-FILENAME [OUTPUT-FILENAME]\n\
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decrypt-gci-save CRYPT-OPTION INPUT-FILENAME [OUTPUT-FILENAME]\n\
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Encrypt or decrypt a character or Guild Card file in GCI format. If\n\
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encrypting, the checksum is also recomputed and stored in the encrypted\n\
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file. CRYPT-OPTION is required; it can be either --sys=SYSTEM-FILENAME\n\
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(specifying the name of the corresponding PSO_SYSTEM .gci file) or\n\
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--seed=ROUND1-SEED (specified as a 32-bit hexadecimal number).\n",
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a_encrypt_decrypt_gci_save_fn);
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static void a_encrypt_decrypt_pc_save_fn(phosg::Arguments& args) {
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bool is_decrypt = (args.get<string>(0) == "decrypt-pc-save");
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bool skip_checksum = args.get<bool>("skip-checksum");
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@@ -1034,6 +955,137 @@ static void a_encrypt_decrypt_save_data_fn(phosg::Arguments& args) {
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write_output_data(args, output_data.data(), output_data.size(), "dec");
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}
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static void a_encrypt_decrypt_gci_save_fn(phosg::Arguments& args) {
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bool is_decrypt = (args.get<string>(0) == "decrypt-gci-save");
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bool skip_checksum = args.get<bool>("skip-checksum");
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string seed = args.get<string>("seed");
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string system_filename = args.get<string>("sys");
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int64_t override_round2_seed = args.get<int64_t>("round2-seed", -1, phosg::Arguments::IntFormat::HEX);
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uint32_t round1_seed;
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if (!system_filename.empty()) {
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string system_data = phosg::load_file(system_filename);
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phosg::StringReader r(system_data);
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const auto& header = r.get<PSOGCIFileHeader>();
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header.check();
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const auto& system = r.get<PSOGCSystemFile>();
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round1_seed = system.creation_timestamp;
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} else if (!seed.empty()) {
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round1_seed = stoul(seed, nullptr, 16);
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} else {
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throw runtime_error("either --sys or --seed must be given");
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}
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auto data = read_input_data(args);
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phosg::StringReader r(data);
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const auto& header = r.get<PSOGCIFileHeader>();
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header.check();
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size_t data_start_offset = r.where();
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auto process_file = [&]<typename StructT>() {
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if (is_decrypt) {
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const void* data_section = r.getv(header.data_size);
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auto decrypted = decrypt_fixed_size_data_section_t<StructT, true>(
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data_section, header.data_size, round1_seed, skip_checksum, override_round2_seed);
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*reinterpret_cast<StructT*>(data.data() + data_start_offset) = decrypted;
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} else {
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const auto& s = r.get<StructT>();
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auto encrypted = encrypt_fixed_size_data_section_t<StructT, true>(s, round1_seed);
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if (data_start_offset + encrypted.size() > data.size()) {
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throw runtime_error("encrypted result exceeds file size");
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}
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memcpy(data.data() + data_start_offset, encrypted.data(), encrypted.size());
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}
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};
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if (header.data_size == sizeof(PSOGCGuildCardFile)) {
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process_file.template operator()<PSOGCGuildCardFile>();
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} else if (header.is_ep12() && (header.data_size == sizeof(PSOGCCharacterFile))) {
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process_file.template operator()<PSOGCCharacterFile>();
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} else if (header.is_ep3() && (header.data_size == sizeof(PSOGCEp3CharacterFile))) {
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auto* charfile = reinterpret_cast<PSOGCEp3CharacterFile*>(data.data() + data_start_offset);
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if (!is_decrypt) {
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for (size_t z = 0; z < charfile->characters.size(); z++) {
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charfile->characters[z].ep3_config.encrypt(phosg::random_object<uint8_t>());
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}
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}
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process_file.template operator()<PSOGCEp3CharacterFile>();
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if (is_decrypt) {
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for (size_t z = 0; z < charfile->characters.size(); z++) {
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charfile->characters[z].ep3_config.decrypt();
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}
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}
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} else {
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throw runtime_error("unrecognized save type");
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}
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write_output_data(args, data.data(), data.size(), is_decrypt ? "gcid" : "gci");
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}
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Action a_decrypt_gci_save("decrypt-gci-save", nullptr, a_encrypt_decrypt_gci_save_fn);
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Action a_encrypt_gci_save("encrypt-gci-save", "\
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encrypt-gci-save CRYPT-OPTION INPUT-FILENAME [OUTPUT-FILENAME]\n\
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decrypt-gci-save CRYPT-OPTION INPUT-FILENAME [OUTPUT-FILENAME]\n\
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Encrypt or decrypt a character or Guild Card file in GCI format. If\n\
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encrypting, the checksum is also recomputed and stored in the encrypted\n\
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file. CRYPT-OPTION is required; it can be either --sys=SYSTEM-FILENAME\n\
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(specifying the name of the corresponding PSO_SYSTEM .gci file) or\n\
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--seed=ROUND1-SEED (specified as a 32-bit hexadecimal number).\n",
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a_encrypt_decrypt_gci_save_fn);
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Action a_decrypt_xbox_save(
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"decrypt-xbox-save", "\
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decrypt-xbox-save CRYPT-OPTION INPUT-FILENAME [OUTPUT-FILENAME]\n\
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Decrypt a character or Guild Card file in Xbox format. CRYPT-OPTION is\n\
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required; it can be either --sys=SYSTEM-FILENAME (specifying the name of\n\
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the corresponding PSO_SYSTEM file) or --seed=ROUND1-SEED (specified as a\n\
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32-bit hexadecimal number).\n",
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+[](phosg::Arguments& args) {
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bool skip_checksum = args.get<bool>("skip-checksum");
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string seed = args.get<string>("seed");
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string system_filename = args.get<string>("sys");
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int64_t override_round2_seed = args.get<int64_t>("round2-seed", -1, phosg::Arguments::IntFormat::HEX);
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uint32_t round1_seed;
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if (!system_filename.empty()) {
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string system_data = phosg::load_file(system_filename);
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phosg::StringReader r(system_data);
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const auto& header = r.get<PSOXBFileHeader>();
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header.check();
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const auto& system = r.get<PSOXBSystemFile>();
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round1_seed = system.creation_timestamp;
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} else if (!seed.empty()) {
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round1_seed = stoul(seed, nullptr, 16);
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} else {
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throw runtime_error("either --sys or --seed must be given");
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}
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auto data = read_input_data(args);
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phosg::StringReader r(data);
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const auto& header = r.get<PSOXBFileHeader>();
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header.check();
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size_t data_start_offset = r.where();
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auto process_file = [&]<typename StructT>() {
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const void* data_section = r.getv(header.data_size);
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auto decrypted = decrypt_fixed_size_data_section_t<StructT, false>(
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data_section, header.data_size, round1_seed, skip_checksum, override_round2_seed);
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*reinterpret_cast<StructT*>(data.data() + data_start_offset) = decrypted;
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};
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if (header.data_size == sizeof(PSOXBGuildCardFile)) {
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process_file.template operator()<PSOXBGuildCardFile>();
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} else if (header.data_size == sizeof(PSOXBCharacterFile)) {
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process_file.template operator()<PSOXBCharacterFile>();
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} else {
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throw runtime_error("unrecognized save type");
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}
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write_output_data(args, data.data(), data.size(), "dec");
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});
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// TODO: Write usage text for these actions
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Action a_decrypt_save_data("decrypt-save-data", nullptr, a_encrypt_decrypt_save_data_fn);
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Action a_encrypt_save_data("encrypt-save-data", nullptr, a_encrypt_decrypt_save_data_fn);
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