Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

Update libsecureboot

Preparation for updating bearssl, pull in updates to libsecureboot.

o fix handling of some out-of-memory cases

o allow more control over reporting of Verified/Unverified files

Update libsecureboot

Preparation for updating bearssl, pull in updates to libsecureboot.

o fix handling of some out-of-memory cases

o allow more control over reporting of Verified/Unverified files.
this helps boot time when console output is slow

o recheck verbose/debug level after reading any unverified file

o more debug support for vectx

o hash_string to support fake stat for tftp

o tests/tvo add -v to simply verify signatures

o vets.c allow for HAVE_BR_X509_TIME_CHECK which will greatly simplify
verification in loader

o report date when certificate fails validity period checks

Reviewed by: stevek
Sponsored by: Juniper Networks, Inc.

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Fix pkgfs stat so it satisfies libsecureboot

We need a valid st_dev, st_ino and st_mtime
to correctly track which files have been verified
and to update our notion of time.

ve_utc_set(): ignore utc

Fix pkgfs stat so it satisfies libsecureboot

We need a valid st_dev, st_ino and st_mtime
to correctly track which files have been verified
and to update our notion of time.

ve_utc_set(): ignore utc if it would jump our current time
by more than VE_UTC_MAX_JUMP (20 years).

Allow testing of install command via userboot.
Need to fix its stat implementation too.

bhyveload also needs stat fixed - due to change to userboot.h

Call ve_error_get() from vectx_close() when hash is wrong.

Track the names of files we have hashed into pcr

For the purposes of measured boot, it is important
to be able to reproduce the hash reflected in
loader.ve.pcr
so loader.ve.hashed provides a list of names in the order they
were added.

Reviewed by: imp
MFC after: 1 week
Sponsored by: Juniper Networks
Differential Revision: https://reviews.freebsd.org//D24027

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MFHead @347527

Sponsored by: The FreeBSD Foundation

Allow no_hash to appear in manifest.

sbin/veriexec will ignore entries that have no hash anyway,
but loader needs to be explicitly told that such files are
ok to ignore (not verify).

We will report

Allow no_hash to appear in manifest.

sbin/veriexec will ignore entries that have no hash anyway,
but loader needs to be explicitly told that such files are
ok to ignore (not verify).

We will report as Unverified depending on verbose level,
but with no reason - because we are not rejecting the file.

Reviewed by: imp, mindal_semihalf
Sponsored by: Juniper Networks
MFC After: 1 week
Differential Revision: https://reviews.freebsd.org//D20018

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MFHead@r345275

MFhead@r344786

Merge ^/head r344549 through r344775.

Add libsecureboot

Used by loader and veriexec
Depends on libbearssl

Reviewed by: emaste
Sponsored by: Juniper Networks
Differential Revision: D16335