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allow for garbage after comment data

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This commit is contained in:
Davide Romanini 2020-04-19 20:33:14 +02:00
parent fbffaed42a
commit 5c4f0906f8
1 changed files with 3 additions and 5 deletions
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8
src/spec.rs
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@ -66,11 +66,9 @@ impl CentralDirectoryEnd {
reader.seek(io::SeekFrom::Current( reader.seek(io::SeekFrom::Current(
BYTES_BETWEEN_MAGIC_AND_COMMENT_SIZE as i64, BYTES_BETWEEN_MAGIC_AND_COMMENT_SIZE as i64,
))?; ))?;
let comment_length = reader.read_u16::<LittleEndian>()? as u64;
if file_length - pos - HEADER_SIZE == comment_length { let cde_start_pos = reader.seek(io::SeekFrom::Start(pos as u64))?;
let cde_start_pos = reader.seek(io::SeekFrom::Start(pos as u64))?; return CentralDirectoryEnd::parse(reader).map(|cde| (cde, cde_start_pos));
return CentralDirectoryEnd::parse(reader).map(|cde| (cde, cde_start_pos));
}
} }
pos = match pos.checked_sub(1) { pos = match pos.checked_sub(1) {
Some(p) => p, Some(p) => p,