gh-121285: Remove backtracking when parsing tarfile headers (GH-121286)

* Remove backtracking when parsing tarfile headers
* Rewrite PAX header parsing to be stricter
* Optimize parsing of GNU extended sparse headers v0.0

Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>
Co-authored-by: Gregory P. Smith <greg@krypto.org>

Seth Michael Larson committed 2y ago

34ddb64d088dd7ccc321f6103d23153256caa5d4

Parent: 0cba289

Committed by GitHub <noreply@github.com> on 8/31/2024, 10:17:05 PM