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Check for invalid entry offsets

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This commit is contained in:
Truman Kilen 2023-05-28 22:59:06 -05:00
parent 45780637c2
commit d594642d6a
1 changed files with 4 additions and 0 deletions
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4
repak/src/pak.rs
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@ -301,6 +301,10 @@ impl Pak {
let mut encoded_entries = io::Cursor::new(&encoded_entries); let mut encoded_entries = io::Cursor::new(&encoded_entries);
for (dir_name, dir) in fdi { for (dir_name, dir) in fdi {
for (file_name, encoded_offset) in dir { for (file_name, encoded_offset) in dir {
if *encoded_offset == 0x80000000 {
println!("{file_name:?} has invalid offset: 0x{encoded_offset:08x}");
continue;
}
encoded_entries.seek(io::SeekFrom::Start(*encoded_offset as u64))?; encoded_entries.seek(io::SeekFrom::Start(*encoded_offset as u64))?;
let entry = let entry =
super::entry::Entry::read_encoded(&mut encoded_entries, version)?; super::entry::Entry::read_encoded(&mut encoded_entries, version)?;