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fix(pe32+): to_view should account for section alignment #274

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fix(pe32+): to_view should account for section alignment #274

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9 changes: 5 additions & 4 deletions src/pe64/file.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ PE file.

use std::prelude::v1::*;

use crate::util::AlignTo;
use crate::Result;

use super::pe::validate_headers;
Expand Down Expand Up @@ -41,9 +42,9 @@ impl<'a> PeFile<'a> {
}
/// Converts the file to section alignment.
pub fn to_view(self) -> Vec<u8> {
let (sizeof_headers, sizeof_image) = {
let (sizeof_headers, sizeof_image, section_alignment) = {
let optional_header = self.optional_header();
(optional_header.SizeOfHeaders, optional_header.SizeOfImage)
(optional_header.SizeOfHeaders, optional_header.SizeOfImage, optional_header.SectionAlignment)
};

// Zero fill the underlying image
Expand All @@ -60,11 +61,11 @@ impl<'a> PeFile<'a> {

// Copy the section file data
for section in self.section_headers() {
let dest = vec.get_mut(section.VirtualAddress as usize..u32::wrapping_add(section.VirtualAddress, section.VirtualSize) as usize);
let dest = vec.get_mut(section.VirtualAddress as usize..u32::wrapping_add(section.VirtualAddress, section.VirtualSize).align_to(section_alignment) as usize);
let src = image.get(section.PointerToRawData as usize..u32::wrapping_add(section.PointerToRawData, section.SizeOfRawData) as usize);
// Skip invalid sections...
if let (Some(dest), Some(src)) = (dest, src) {
dest.copy_from_slice(src);
dest[..src.len()].copy_from_slice(src);
}
}

Expand Down