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https://github.com/Ap0dexMe0/unixtract.git
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sddl_sec: update to match 6.0 version sddl_dec
This commit is contained in:
theubusu
+287
-156
@@ -1,4 +1,4 @@
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//sddl_dec 5.0
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//sddl_dec 6.0 https://github.com/theubusu/sddl_dec
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use std::path::{Path, PathBuf};
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use std::fs::{self, File, OpenOptions};
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@@ -9,107 +9,7 @@ use crate::utils::common;
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use crate::utils::aes::{decrypt_aes128_cbc_pcks7};
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use crate::utils::compression::{decompress_zlib};
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#[derive(BinRead)]
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struct SddlSecHeader {
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#[br(count = 4)] _magic_bytes: Vec<u8>, //0x11, 0x22, 0x33, 0x44
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#[br(count = 4)] _unused: Vec<u8>,
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#[br(count = 4)] info_entries_count_str_bytes: Vec<u8>,
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#[br(count = 4)] module_entries_count_str_bytes: Vec<u8>,
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#[br(count = 16)] _unk: Vec<u8>,
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}
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impl SddlSecHeader {
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fn info_entry_count(&self) -> u32 {
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let string = common::string_from_bytes(&self.info_entries_count_str_bytes);
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string.parse().unwrap()
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}
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fn module_entries_count(&self) -> u32 {
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let string = common::string_from_bytes(&self.module_entries_count_str_bytes);
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string.parse().unwrap()
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}
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}
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#[derive(BinRead)]
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struct EntryHeader {
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#[br(count = 12)] name_str_bytes: Vec<u8>,
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#[br(count = 12)] size_str_bytes: Vec<u8>,
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}
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impl EntryHeader {
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fn name(&self) -> String {
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common::string_from_bytes(&self.name_str_bytes)
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}
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fn size(&self) -> u64 {
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let string = common::string_from_bytes(&self.size_str_bytes);
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string.parse().unwrap()
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}
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}
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#[derive(BinRead)]
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struct ModuleHeader {
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#[br(count = 4)] _magic_bytes: Vec<u8>, //0x11, 0x22, 0x33, 0x44
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_unk1: u8,
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_id: u8,
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#[br(count = 10)] _unused: Vec<u8>,
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#[br(count = 4)] _file_base_version: Vec<u8>,
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#[br(count = 4)] _file_previous_version: Vec<u8>,
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#[br(count = 4)] file_version: Vec<u8>,
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#[br(count = 4)] _unused2: Vec<u8>,
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_index: u16,
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#[br(count = 2)] control_bytes: Vec<u8>,
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compressed_data_size: u32,
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_uncompressed_data_size: u32,
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_checksum: u32,
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}
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impl ModuleHeader {
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fn is_compressed(&self) -> bool {
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self.control_bytes[0] == 0x3
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}
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}
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#[derive(BinRead)]
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struct ContentHeader {
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_magic1: u8,
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#[br(count = 4)] dest_offset_bytes: Vec<u8>,
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#[br(count = 4)] source_offset_bytes: Vec<u8>,
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size: u32,
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_magic2: u8,
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}
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impl ContentHeader {
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fn dest_offset(&self) -> u32 {
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let first_byte;
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if self.dest_offset_bytes[0] & 0xF0 == 0xD0 {
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first_byte = self.dest_offset_bytes[0] & 0x0F;
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} else {
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first_byte = self.dest_offset_bytes[0];
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}
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u32::from_be_bytes([first_byte, self.dest_offset_bytes[1], self.dest_offset_bytes[2], self.dest_offset_bytes[3]])
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}
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fn source_offset(&self) -> u32 {
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u32::from_be_bytes([0x00, self.source_offset_bytes[1], self.source_offset_bytes[2], self.source_offset_bytes[3]])
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}
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}
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static DEC_KEY: [u8; 16] = [
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0x26, 0xE0, 0x96, 0xD3, 0xEF, 0x8A, 0x8F, 0xBB,
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0xAA, 0x5E, 0x51, 0x6F, 0x77, 0x26, 0xC2, 0x2C,
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];
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static DEC_IV: [u8; 16] = [
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0x3E, 0x4A, 0xE2, 0x3A, 0x69, 0xDB, 0x81, 0x54,
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0xCD, 0x88, 0x38, 0xC4, 0xB9, 0x0C, 0x76, 0x66,
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];
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pub fn is_sddl_sec_file(file: &File) -> bool {
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let header = common::read_file(&file, 0, 32).expect("Failed to read from file.");
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let deciph_header = decipher(&header);
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if deciph_header.starts_with(b"\x11\x22\x33\x44") {
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true
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} else {
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false
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}
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}
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//ported from original from https://nese.team/posts/justctf/
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fn decipher(s: &[u8]) -> Vec<u8> {
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pub fn decipher(s: &[u8]) -> Vec<u8> {
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let len_ = s.len();
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let mut v3: u32 = 904;
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let mut out = s.to_vec();
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@@ -150,79 +50,310 @@ fn decipher(s: &[u8]) -> Vec<u8> {
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out
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}
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// -- STRUCTURES --
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// -- SECFILE --
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pub static DOWNLOAD_ID: [u8; 4] = [0x11, 0x22, 0x33, 0x44];
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#[derive(Debug, BinRead)]
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pub struct SecHeader {
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pub _download_id: [u8; 4], //always 0x11, 0x22, 0x33, 0x44 - magic?
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key_id_str_bytes: [u8; 4], //"key_id", purpose unknown
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grp_num_str_bytes: [u8; 4], //"grp_num", the count of groups, also represents the count of info files because each group has a respective info file
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prg_num_str_bytes: [u8; 4], //"prg_num", the count of module (.FXX) files
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_unused_or_reserved: [u8; 16], //not used, is zeros
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}
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impl SecHeader {
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pub fn key_id(&self) -> u32 {
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let string = common::string_from_bytes(&self.key_id_str_bytes);
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string.parse().unwrap()
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}
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pub fn grp_num(&self) -> u32 {
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let string = common::string_from_bytes(&self.grp_num_str_bytes);
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string.parse().unwrap()
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}
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pub fn prg_num(&self) -> u32 {
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let string = common::string_from_bytes(&self.prg_num_str_bytes);
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string.parse().unwrap()
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}
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}
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pub static INFO_FILE_EXTENSION: &str = ".TXT";
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#[derive(Debug, BinRead)]
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pub struct FileHeader {
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name_str_bytes: [u8; 12],
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size_str_bytes: [u8; 12],
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}
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impl FileHeader {
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pub fn name(&self) -> String {
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common::string_from_bytes(&self.name_str_bytes)
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}
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pub fn size(&self) -> u64 {
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let string = common::string_from_bytes(&self.size_str_bytes);
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string.parse().unwrap()
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}
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}
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// -- MODULE --
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#[derive(Debug, BinRead)]
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pub struct ModuleComHeader { //"com_header"
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pub download_id: [u8; 4], //always 0x11, 0x22, 0x33, 0x44 - magic?
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_outer_maker_id: u8,
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_outer_model_id: u8,
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_inner_maker_id: u8,
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_reserve1: u8,
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_reserve2: u32,
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_reserve3: u32,
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_start_version: [u8; 4], //the first version that can upgrade to the new version
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_end_version: [u8; 4], //the last version that can upgrade to the new version
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_new_version: [u8; 4], //the new version, as in the version of the data in this module
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_reserve4: u16,
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_module_num: u16, //the logic seems to indicate that there can be multiple entries in one module, but i have never seen this go above 1.
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}
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#[derive(Debug, BinRead)]
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pub struct ModuleHeader { //"header", appears after com_header
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_module_id: u16,
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module_atr: u8,
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_target_id: u8,
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pub cmp_size: u32,
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_org_size: u32,
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_crc_value: u32,
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}
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impl ModuleHeader {
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pub fn is_ciphered(&self) -> bool {
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(self.module_atr & 0x02) != 0
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}
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pub fn is_compressed(&self) -> bool {
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(self.module_atr & 0x01) != 0
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}
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}
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#[derive(Debug, BinRead)]
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pub struct ContentHeader {
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_magic1: u8, //always 0x01?
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_dest_offset: u32,
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_source_offset: u32,
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pub size: u32,
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_magic2: u8, //always 0x21?
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}
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impl ContentHeader {
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//these hacks are needed because for some reason older files have the first nibble of the offset set to D/C
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//no idea why, but masking them off makes it works properly
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pub fn dest_offset(&self) -> u32 {
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if ((self._dest_offset >> 28) & 0xF) == 0xD {
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self._dest_offset & 0x0FFFFFFF
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} else {
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self._dest_offset
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}
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}
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pub fn source_offset(&self) -> u32 {
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if ((self._source_offset >> 28) & 0xF) == 0xC {
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self._source_offset & 0x0FFFFFFF
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} else {
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self._source_offset
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}
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}
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pub fn has_subfile(&self) -> bool {
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self.source_offset() == 0x10E
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}
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}
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// -- TDI --
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// Called SDIT.FDI in the secfile
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pub static TDI_FILENAME: &str = "SDIT.FDI";
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pub static SUPPORTED_TDI_VERSION: u16 = 2;
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#[derive(Debug, BinRead)]
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pub struct TdiHead {
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pub download_id: [u8; 4], //always 0x11, 0x22, 0x33, 0x44 - magic?
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pub num_of_group: u8,
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_reserve1: u8,
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pub format_version: u16, //checks for "2" here
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}
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#[derive(Debug, BinRead)]
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pub struct TdiGroupHead {
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pub group_id: u8,
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pub num_of_target: u8, //logic checks that this is not more than 5
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_reserved: u16,
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}
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#[derive(Debug, BinRead)]
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pub struct TdiTgtInf {
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_outer_maker_id: u8,
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_outer_model_id: u8,
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_inner_maker_id: u8,
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_reserve3: u8,
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_inner_model_id: [u8; 4],
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_ext_model_id: [u8; 4],
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pub _start_version: [u8; 4], //the first version that can upgrade to the new version
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pub _end_version: [u8; 4], //the last version that can upgrade to the new version
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pub new_version: [u8; 4], //the new version, as in the version of the data in this module
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pub target_id: u8,
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_num_of_compatible_target: u8,
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pub num_of_txx: u16, //"TXX" refers to the ".FXX" segment files of each module. I assume F is an encrypted version of T, the same happens with SDIT; "TDI" -> "FDI"
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_unknown: [u8; 8],
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module_name_bytes: [u8; 8],
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}
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impl TdiTgtInf {
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pub fn module_name(&self) -> String {
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common::string_from_bytes(&self.module_name_bytes)
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}
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pub fn version_string(&self) -> String {
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format!("{}.{}{}{}", self.new_version[0], self.new_version[1], self.new_version[2], self.new_version[3])
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}
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}
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// -- dec key --
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static DEC_KEY: [u8; 16] = [
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0x26, 0xE0, 0x96, 0xD3, 0xEF, 0x8A, 0x8F, 0xBB,
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0xAA, 0x5E, 0x51, 0x6F, 0x77, 0x26, 0xC2, 0x2C,
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];
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static DEC_IV: [u8; 16] = [
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0x3E, 0x4A, 0xE2, 0x3A, 0x69, 0xDB, 0x81, 0x54,
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0xCD, 0x88, 0x38, 0xC4, 0xB9, 0x0C, 0x76, 0x66,
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];
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pub fn is_sddl_sec_file(file: &File) -> bool {
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let header = common::read_file(&file, 0, 32).expect("Failed to read from file.");
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let deciph_header = decipher(&header);
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if deciph_header.starts_with(b"\x11\x22\x33\x44") {
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true
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} else {
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false
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}
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}
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fn get_sec_file(mut file: &File) -> Result<(FileHeader, Vec<u8>), Box<dyn std::error::Error>> {
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let mut hdr_reader = Cursor::new(decrypt_aes128_cbc_pcks7(&common::read_exact(&mut file, 32)?, &DEC_KEY, &DEC_IV)?);
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let file_header: FileHeader = hdr_reader.read_be()?;
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let file_data = decrypt_aes128_cbc_pcks7(&common::read_exact(&mut file, file_header.size() as usize)?, &DEC_KEY, &DEC_IV)?;
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Ok((file_header, file_data))
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}
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fn parse_tdi_to_modules(tdi_data: Vec<u8>) -> Result<Vec<TdiTgtInf>, Box<dyn std::error::Error>> {
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let mut tdi_reader = Cursor::new(tdi_data);
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let tdi_header: TdiHead = tdi_reader.read_be()?;
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if tdi_header.download_id != DOWNLOAD_ID {
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return Err("Invalid TDI header!".into());
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}
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if tdi_header.format_version != SUPPORTED_TDI_VERSION {
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return Err(format!("Unsupported TDI format version {}! (The supported version is {})", tdi_header.format_version, SUPPORTED_TDI_VERSION).into());
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}
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println!("[TDI] Group count: {}", tdi_header.num_of_group);
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let mut modules: Vec<TdiTgtInf> = Vec::new();
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for _i in 0..tdi_header.num_of_group {
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let group_head: TdiGroupHead = tdi_reader.read_be()?;
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println!("[TDI] Group ID: {}, Target count: {}", group_head.group_id, group_head.num_of_target);
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for _i in 0..group_head.num_of_target {
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let tgt_inf: TdiTgtInf = tdi_reader.read_be()?;
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println!("[TDI] - {}, Target ID: {}, Segment count: {}, Version: {}",
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tgt_inf.module_name(), tgt_inf.target_id, tgt_inf.num_of_txx, tgt_inf.version_string());
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//push unique modules
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if !modules.iter().any(|m| m.module_name() == tgt_inf.module_name()) {
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modules.push(tgt_inf);
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}
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}
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}
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Ok(modules)
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}
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pub fn extract_sddl_sec(mut file: &File, output_folder: &str) -> Result<(), Box<dyn std::error::Error>> {
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let mut hdr_reader = Cursor::new(decipher(&common::read_exact(&mut file, 32)?));
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let hdr: SddlSecHeader = hdr_reader.read_be()?;
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file.seek(SeekFrom::Start(0))?;
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let mut secfile_hdr_reader = Cursor::new(decipher(&common::read_exact(&mut file, 32)?));
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let secfile_header: SecHeader = secfile_hdr_reader.read_be()?;
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//SDIT.FDI + info files + module files
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let total_entry_count = 1 + hdr.info_entry_count() + hdr.module_entries_count();
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println!("File info:\nInfo entry count: {}\nModule entry count: {}\nTotal entry count: {}",
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hdr.info_entry_count(), hdr.module_entries_count(), total_entry_count);
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println!("File info -\nKey ID: {}\nGroup count: {}\nModule file count: {}\n", secfile_header.key_id(), secfile_header.grp_num(), secfile_header.prg_num());
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fs::create_dir_all(&output_folder)?;
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for i in 0..total_entry_count {
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let mut entry_header_reader = Cursor::new(decrypt_aes128_cbc_pcks7(&common::read_exact(&mut file, 32)?, &DEC_KEY, &DEC_IV)?);
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let entry_header: EntryHeader = entry_header_reader.read_be()?;
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let (tdi_file, tdi_data) = get_sec_file(&file)?;
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println!("[TDI] Name: {}, Size: {}", tdi_file.name(), tdi_file.size());
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//if save_extra { //Save SDIT
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// let mut out_file = OpenOptions::new().write(true).create(true).open(Path::new(&output_folder).join(tdi_file.name()))?;
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// out_file.write_all(&tdi_data)?;
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//}
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if tdi_file.name() != TDI_FILENAME {
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return Err(format!("Invalid TDI filename {}!, expected: {}", tdi_file.name(), TDI_FILENAME).into());
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}
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//parse TDI
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let modules = parse_tdi_to_modules(tdi_data)?;
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println!("\n({}/{}) - {}, Size: {}", i + 1, total_entry_count, entry_header.name(), entry_header.size());
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//get info files, each info file belongs to its respecitve group in the TDI
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for i in 0..secfile_header.grp_num() {
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let (info_file, info_data) = get_sec_file(&file)?;
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println!("\n[INFO] ID: {}, Name: {}, Size: {}", i, info_file.name(), info_file.size());
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if !info_file.name().ends_with(INFO_FILE_EXTENSION) {
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return Err(format!("Info file {} does not have the expected extension {}!", info_file.name(), INFO_FILE_EXTENSION).into());
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}
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//if save_extra { //Save info file
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// let mut out_file = OpenOptions::new().write(true).create(true).open(Path::new(&output_folder).join(info_file.name()))?;
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// out_file.write_all(&info_data)?;
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//}
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//print info file
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println!("{}", String::from_utf8_lossy(&info_data));
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}
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let data = common::read_exact(&mut file, entry_header.size() as usize)?;
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let dec_data = decrypt_aes128_cbc_pcks7(&data, &DEC_KEY, &DEC_IV)?;
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//parse module data
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for (i, module) in modules.iter().enumerate(){
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println!("\nModule #{}/{} - {}, Target ID: {}, Segment count: {}, Version: {}",
|
||||
i+1, &modules.len(), module.module_name(), module.target_id, module.num_of_txx, module.version_string());
|
||||
|
||||
fs::create_dir_all(&output_folder)?;
|
||||
//detect the file type based on the counts of each file
|
||||
if i == 0 { //SDIT.FDI file
|
||||
let output_path = Path::new(&output_folder).join(entry_header.name());
|
||||
let mut out_file = OpenOptions::new().write(true).create(true).open(output_path)?;
|
||||
out_file.write_all(&dec_data)?;
|
||||
println!("-- Saved file!");
|
||||
for i in 0..module.num_of_txx {
|
||||
let (module_file, module_data) = get_sec_file(&file)?;
|
||||
if !module_file.name().starts_with(&module.module_name()) {
|
||||
return Err(format!("Module file {} does not start with the module's name: {}!", module_file.name(), module.module_name()).into());
|
||||
}
|
||||
println!(" Segment #{}/{} - Name: {}, Size: {}", i+1, module.num_of_txx, module_file.name(), module_file.size());
|
||||
|
||||
} else if i - 1 < hdr.info_entry_count() { //.TXT info file
|
||||
println!("{}", String::from_utf8_lossy(&dec_data));
|
||||
continue
|
||||
|
||||
} else { //Module file
|
||||
let name = entry_header.name();
|
||||
let source_name = name.split(".").next().unwrap();
|
||||
|
||||
let mut module_reader = Cursor::new(dec_data);
|
||||
let module_header: ModuleHeader = module_reader.read_be()?;
|
||||
println!("- Version: {}.{}{}{}", module_header.file_version[0], module_header.file_version[1], module_header.file_version[2], module_header.file_version[3]);
|
||||
|
||||
let module_data = common::read_exact(&mut module_reader, module_header.compressed_data_size as usize)?;
|
||||
println!("- Deciphering...");
|
||||
let deciphered_data = decipher(&module_data);
|
||||
|
||||
let content: Vec<u8>;
|
||||
if module_header.is_compressed() {
|
||||
println!("-- Decompressing...");
|
||||
content = decompress_zlib(&deciphered_data)?;
|
||||
} else {
|
||||
println!("-- Uncompressed...");
|
||||
content = deciphered_data;
|
||||
let mut module_reader = Cursor::new(module_data);
|
||||
let com_header: ModuleComHeader = module_reader.read_be()?;
|
||||
if com_header.download_id != DOWNLOAD_ID {
|
||||
return Err("Invalid module com_header!".into());
|
||||
}
|
||||
|
||||
let mut content_reader = Cursor::new(content);
|
||||
let module_header: ModuleHeader = module_reader.read_be()?;
|
||||
let mut module_data = common::read_exact(&mut module_reader, module_header.cmp_size as usize)?;
|
||||
if module_header.is_ciphered() {
|
||||
println!(" - Deciphering...");
|
||||
module_data = decipher(&module_data);
|
||||
}
|
||||
if module_header.is_compressed() {
|
||||
println!(" - Decompressing...");
|
||||
module_data = decompress_zlib(&module_data)?;
|
||||
}
|
||||
|
||||
let mut content_reader = Cursor::new(module_data);
|
||||
let content_header: ContentHeader = content_reader.read_be()?;
|
||||
println!(" --> 0x{:X} @ 0x{:X}", content_header.size, content_header.dest_offset());
|
||||
|
||||
let output_path: PathBuf;
|
||||
if content_header.has_subfile() {
|
||||
let sub_filename_bytes = common::read_exact(&mut content_reader, 0x100)?;
|
||||
let sub_filename = common::string_from_bytes(&sub_filename_bytes);
|
||||
println!(" --> {}", sub_filename);
|
||||
|
||||
let output_path: PathBuf;
|
||||
if content_header.source_offset() == 270 {
|
||||
let file_name_bytes = common::read_exact(&mut content_reader, 256)?;
|
||||
let file_name = common::string_from_bytes(&file_name_bytes);
|
||||
println!("--- File name: {}", file_name);
|
||||
let sub_folder_path = Path::new(&output_folder).join(module.module_name());
|
||||
fs::create_dir_all(&sub_folder_path)?;
|
||||
output_path = Path::new(&sub_folder_path).join(sub_filename);
|
||||
|
||||
let out_folder_path = Path::new(&output_folder).join(source_name);
|
||||
fs::create_dir_all(&out_folder_path)?;
|
||||
output_path = Path::new(&out_folder_path).join(file_name);
|
||||
} else {
|
||||
output_path = Path::new(&output_folder).join(format!("{}.bin", source_name));
|
||||
output_path = Path::new(&output_folder).join(format!("{}.bin", module.module_name()));
|
||||
}
|
||||
|
||||
let data = common::read_exact(&mut content_reader, content_header.size as usize)?;
|
||||
|
||||
let mut out_file = OpenOptions::new().read(true).write(true).create(true).open(output_path)?;
|
||||
out_file.seek(SeekFrom::Start(content_header.dest_offset() as u64))?;
|
||||
out_file.write_all(&data)?;
|
||||
println!("--- Saved!");
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user