From fc58034a11e6965d67a7348bab0810401094b5ed Mon Sep 17 00:00:00 2001 From: Frans Hendriks Date: Fri, 14 Jun 2019 14:36:37 +0200 Subject: lib/prog_loaders.c: Add prog_locate_hook() There is no posibility to prevent loading images from cbfs at this stage For security features prog_locate_hook() is added. This hook can be used to prevent loading the image. BUG=N/A TEST=Created verified binary and verify logging on Facebook FBG-1701 Change-Id: I12207fc8f2e9ca45d048cf8c8d9c057f53e5c2c7 Signed-off-by: Frans Hendriks Reviewed-on: https://review.coreboot.org/c/coreboot/+/30811 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/include/program_loading.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/include') diff --git a/src/include/program_loading.h b/src/include/program_loading.h index 6dec1920b8..601847d4f8 100644 --- a/src/include/program_loading.h +++ b/src/include/program_loading.h @@ -3,6 +3,7 @@ * * Copyright 2015 Google Inc. * Copyright (C) 2014 Imagination Technologies + * Copyright (C) 2018 Eltan B.V. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -138,6 +139,12 @@ static inline void prog_set_entry(struct prog *prog, void *e, void *arg) /* Locate the identified program to run. Return 0 on success. < 0 on error. */ int prog_locate(struct prog *prog); +/* The prog_locate_hook() is called prior to CBFS traversal. The hook can be + * used to implement policy that allows or prohibits further progress through + * prog_locate(). The type and name field within struct prog are the only valid + * fields. A 0 return value allows further progress while a non-zero return + * value prohibits further progress */ +int prog_locate_hook(struct prog *prog); /* Run the program described by prog. */ void prog_run(struct prog *prog); -- cgit v1.2.3