linux-kernel - [PATCH v6 9/9] powerpc/ima: update ima arch policy to check for blacklist

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Message-Id: <1569594360-7141-10-git-send-email-nayna@linux.ibm.com>
Date:   Fri, 27 Sep 2019 10:26:00 -0400
From:   Nayna Jain <nayna@...ux.ibm.com>
To:     linuxppc-dev@...abs.org, linux-efi@...r.kernel.org,
        linux-integrity@...r.kernel.org, devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Jeremy Kerr <jk@...abs.org>,
        Matthew Garret <matthew.garret@...ula.com>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Claudio Carvalho <cclaudio@...ux.ibm.com>,
        George Wilson <gcwilson@...ux.ibm.com>,
        Elaine Palmer <erpalmer@...ibm.com>,
        Eric Ricther <erichte@...ux.ibm.com>,
        "Oliver O'Halloran" <oohall@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Nayna Jain <nayna@...ux.ibm.com>
Subject: [PATCH v6 9/9] powerpc/ima: update ima arch policy to check for blacklist

This patch updates the arch specific policies for PowernV systems
to add check against blacklisted hashes before doing the verification.

Signed-off-by: Nayna Jain <nayna@...ux.ibm.com>
---
 arch/powerpc/kernel/ima_arch.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/ima_arch.c b/arch/powerpc/kernel/ima_arch.c
index 77c61b142042..3f57433c0824 100644
--- a/arch/powerpc/kernel/ima_arch.c
+++ b/arch/powerpc/kernel/ima_arch.c
@@ -24,9 +24,9 @@ bool arch_ima_get_secureboot(void)
 static const char *const arch_rules[] = {
 	"measure func=KEXEC_KERNEL_CHECK template=ima-modsig",
 	"measure func=MODULE_CHECK template=ima-modsig",
-	"appraise func=KEXEC_KERNEL_CHECK appraise_type=imasig|modsig",
+	"appraise func=KEXEC_KERNEL_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
 #if !IS_ENABLED(CONFIG_MODULE_SIG)
-	"appraise func=MODULE_CHECK appraise_type=imasig|modsig",
+	"appraise func=MODULE_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
 #endif
 	NULL
 };
-- 
2.20.1