The size of the DevPath string array was not sufficient to append the volume label. This patch extends the size for the label and re-enables the menu freeing.
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|Cryptlib||Remove temp file checked in by accident|
|COPYRIGHT||Add copyright file|
|Makefile||Build debug image for all efi files|
|MokManager.c||Reallocate the DevPath space for the volume label|
|README||Add basic documentation|
|cert.S||Fix data alignment on vendor_cert so we don't wind up with padding.|
|shim.c||Fall back to MokManager if grub failed to validate|
|shim.h||We're not MSABI, so don't advertise this as such|
|signature.h||Add black/white listing|
shim is a trivial EFI application that, when run, attempts to open and execute another application. It will initially attempt to do this via the standard EFI LoadImage() and StartImage() calls. If these fail (because secure boot is enabled and the binary is not signed with an appropriate key, for instance) it will then validate the binary against a built-in certificate. If this succeeds and if the binary or signing key are not blacklisted then shim will relocate and execute the binary. shim will also install a protocol which permits the second-stage bootloader to perform similar binary validation. This protocol has a GUID as described in the shim.h header file and provides a single entry point. On 64-bit systems this entry point expects to be called with SysV ABI rather than MSABI, and so calls to it should not be wrapped. To use shim, simply place a hex dump of the public certificate in cert.h and build it with make.