Joe Tsai 3d4ea227c6 archive/tar: validate sparse headers in parsePAX ... According to the GNU manual, the format is: <<< GNU.sparse.size=size GNU.sparse.numblocks=numblocks repeat numblocks times GNU.sparse.offset=offset GNU.sparse.numbytes=numbytes end repeat >>> The logic in parsePAX converts the repeating sequence of (offset, numbytes) pairs (which is not PAX compliant) into a single comma-delimited list of numbers (which is now PAX compliant). Thus, we validate the following: * The (offset, numbytes) headers must come in the correct order. * The ',' delimiter cannot appear in the value. We do not validate that the value is a parsible decimal since that will be determined later. Change-Id: I8d6681021734eb997898227ae8603efb1e17c0c8 Reviewed-on: https://go-review.googlesource.com/31439 Run-TryBot: Joe Tsai <thebrokentoaster@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>		2016-10-22 16:35:14 +00:00
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tar	archive/tar: validate sparse headers in parsePAX	2016-10-22 16:35:14 +00:00
zip	archive/zip: only use Extended Timestamp on non-zero MS-DOS timestamps	2016-10-11 21:31:25 +00:00