exe-parse/src-tauri/src/services/file.rs

81 lines
2.5 KiB
Rust

use memmap2::*;
use serde::Serialize;
use crate::{app_error::AppError, pe_parse::{header::{ImageDosHeader, ImageFileHeader, ImageNTHeaders, ImageNTHeaders32, ImageOptionalHeader}, pe::PE}};
use super::{GLOBAL_FILE_DATA, GLOBAL_IS_64_BIT};
pub fn mmap_mut_file(file_path: &str) -> Result<Mmap, std::io::Error> {
let file = std::fs::OpenOptions::new().read(true).open(file_path)?;
unsafe {
MmapOptions::new()
.map(&file)
.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e.to_string()))
}
}
#[derive(Serialize)]
pub struct ResponseDOSHeaderData {
pub fields: ImageDosHeader,
pub base_offset: usize,
}
#[derive(Serialize)]
pub struct ResponseNTHeaderData {
fields: ImageNTHeaders,
base_offset: usize,
}
pub fn get_nt_headers_data<'a>() -> Result<ResponseNTHeaderData, AppError> {
// pub static GLOBAL_FILE_DATA: Mutex<Option<PeData>> = Mutex::new(None);
let binding = GLOBAL_FILE_DATA.lock().unwrap();
// `binding` does not live long enough borrowed value does not live long enough
let file_data = binding.as_ref().unwrap();
let nt_header_enmu= file_data.get_nt_headers()?;
let nt_offset = file_data.get_nt_headers_offset()?;
let result = ResponseNTHeaderData {
fields: nt_header_enmu,
base_offset: nt_offset,
};
Ok(result)
}
// 获取文件头数据
#[derive(Serialize)]
pub struct ResponseFileHeaderData {
pub fields: ImageFileHeader,
pub base_offset: usize,
}
pub fn get_file_header_data() -> Result<ResponseFileHeaderData, AppError> {
let binding = GLOBAL_FILE_DATA.lock().unwrap();
let file_data = binding.as_ref().unwrap();
let file_header = file_data.get_file_header()?;
let file_header_offset = file_data.get_file_header_offset()?;
let result = ResponseFileHeaderData {
fields: file_header.clone(),
base_offset: file_header_offset,
};
Ok(result)
}
// 获取可选头数据
#[derive(Serialize)]
pub struct ResponseOptionalHeaderData {
pub fields: ImageOptionalHeader,
pub base_offset: usize,
}
pub fn get_optional_header_data() -> Result<ResponseOptionalHeaderData, AppError> {
let binding = GLOBAL_FILE_DATA.lock().unwrap();
let file_data = binding.as_ref().unwrap();
let optional_header = file_data.get_optional_header()?;
let optional_header_offset = file_data.get_optional_header_offset()?;
let result = ResponseOptionalHeaderData {
fields: optional_header.clone(),
base_offset: optional_header_offset,
};
Ok(result)
}