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+ cleanup

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Pari Malam
2026-06-05 21:02:40 +08:00
parent 612ba74bc8
commit c1f5b7961d
65 changed files with 670 additions and 641 deletions
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src/formats/mtk_pkg_new/mod.rs
+11 -10
View File
@@ -14,6 +14,7 @@ use crate::keys;
use crate::formats::mtk_pkg::lzhs::{decompress_mtk_to_file};
use crate::formats::mtk_pkg::include::{Header, PartEntry, MTK_HEADER_MAGIC, MTK_META_MAGIC, MTK_META_PAD_MAGIC};
use include::*;
use log::{info, warn};
pub struct MtkPkgNewContext {
matching_key_name: String,
@@ -46,12 +47,12 @@ pub fn is_mtk_pkg_new_file(app_ctx: &AppContext) -> Result<Option<Box<dyn Any>>,
pub fn extract_mtk_pkg_new(app_ctx: &AppContext, ctx: Box<dyn Any>) -> Result<(), Box<dyn std::error::Error>> {
let mut file = app_ctx.file().ok_or("Extractor expected file")?;
let ctx = ctx.downcast::<MtkPkgNewContext>().expect("Missing context");
let ctx = ctx.downcast::<MtkPkgNewContext>().map_err(|_| "Invalid context type")?;
let file_size = file.metadata()?.len();
//the key was founf, and header was decrypted at detection stage so we can reuse
println!("Using key {}", ctx.matching_key_name);
info!("Using key {}", ctx.matching_key_name);
let key_array = ctx.matching_key_key;
let iv_array = ctx.matching_key_iv;
let header = ctx.decrypted_header;
@@ -60,7 +61,7 @@ pub fn extract_mtk_pkg_new(app_ctx: &AppContext, ctx: Box<dyn Any>) -> Result<()
let mut hdr_reader = Cursor::new(header);
let hdr: Header = hdr_reader.read_le()?;
println!("File info:\nFile size: {}\nVendor magic: {}\nVersion info: {}\nProduct name: {}" ,
info!("File info:\nFile size: {}\nVendor magic: {}\nVersion info: {}\nProduct name: {}" ,
hdr.file_size, hdr.vendor_magic(), hdr.version(), hdr.product_name());
file.seek(SeekFrom::Start(HEADER_SIZE as u64))?;
@@ -73,19 +74,19 @@ pub fn extract_mtk_pkg_new(app_ctx: &AppContext, ctx: Box<dyn Any>) -> Result<()
break
}
println!("\n#{} - {}, Size: {}{} {}",
info!("\n#{} - {}, Size: {}{} {}",
part_n, part_entry.name(), part_entry.size, if part_entry.is_compressed() {" [COMPRESSED]"} else {""}, if part_entry.is_encrypted() {"[ENCRYPTED]"} else {""} );
let data = common::read_exact(&mut file, part_entry.size as usize + 48)?;
if part_entry.size == 0 {
println!("- Empty entry, skipping!");
info!("- Empty entry, skipping!");
continue
}
let mut out_data;
if part_entry.is_encrypted() {
println!("- Decrypting...");
info!("- Decrypting...");
//data aligned to 16 bytes is AES encrypted. the remaining unaligned data is XORed with the key
let align_len = data.len() & !15;
let (aes_enc, xor_tail) = data.split_at(align_len);
@@ -103,7 +104,7 @@ pub fn extract_mtk_pkg_new(app_ctx: &AppContext, ctx: Box<dyn Any>) -> Result<()
if imtk_len != 0 && &out_data[56..60] != MTK_META_PAD_MAGIC {
let version_len = u32::from_le_bytes(out_data[56..60].try_into().unwrap());
let version = common::string_from_bytes(&out_data[60..60 + version_len as usize]);
println!("- Version: {}", version);
info!("- Version: {}", version);
}
imtk_len + 8
} else {
@@ -118,18 +119,18 @@ pub fn extract_mtk_pkg_new(app_ctx: &AppContext, ctx: Box<dyn Any>) -> Result<()
if part_entry.is_compressed() {
match decompress_mtk_to_file(&fin_data, &output_path) {
Ok(()) => {
println!("-- Decompressed Successfully, Saved file!");
info!("-- Decompressed Successfully, Saved file!");
continue
},
Err(e) => {
eprintln!("Failed to decompress partition!, Error: {}. Saving compressed data...", e);
warn!("Failed to decompress partition!, Error: {}. Saving compressed data...", e);
}
}
}
let mut out_file = OpenOptions::new().write(true).create(true).open(&output_path)?;
out_file.write_all(&fin_data)?;
println!("-- Saved file!");
info!("-- Saved file!");
}
Ok(())