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Merge pull request #52 from anvie/master

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Handle invalid zip header
This commit is contained in:
Mathijs van de Nes 2017-12-06 20:57:56 +01:00 • committed by GitHub
commit 79adef3b6e
Signed by: DevComp
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 0 deletions
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4
src/spec.rs
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@ -58,6 +58,10 @@ impl CentralDirectoryEnd
let search_upper_bound = file_length.checked_sub(HEADER_SIZE + ::std::u16::MAX as u64).unwrap_or(0); let search_upper_bound = file_length.checked_sub(HEADER_SIZE + ::std::u16::MAX as u64).unwrap_or(0);
if file_length < HEADER_SIZE {
return Err(ZipError::InvalidArchive("Invalid zip header"));
}
let mut pos = file_length - HEADER_SIZE; let mut pos = file_length - HEADER_SIZE;
while pos >= search_upper_bound while pos >= search_upper_bound
{ {