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3 Commits

Author SHA1 Message Date
Richard Hughes
0c51630991 Check firmware magic in a more standard way 
Some parsers are ignoring the magic when using _FLAG_IGNORE_CHECKSUM
(which is wrong; fuzzers have no problem with enforcing a static prefix)
and other either disregard the offset or check the magic in an unsafe
way. Also, use FWUPD_ERROR_INVALID_FILE consistently for magic failure.

Add a vfunc, and move all the clever code into one place.
 2022-07-14 14:48:15 +01:00
Richard Hughes
cb0966858d Fix fuzzing timeout in the new IFW CPD parsing 
Limit the number of images to an order of magnitide more than we've ever seen.

Fixes https://oss-fuzz.com/testcase-detail/4842982326534144
 2022-07-08 15:17:25 +01:00
Richard Hughes
f1542c3f9f Add support for IFWI Intel Code Partition (aka CPD) firmware 2022-06-28 10:09:58 +01:00