linux-kernel - [PATCH v10 8/9] powerpc/ima: update ima arch policy to check for blacklist

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Message-Id: <1572492694-6520-9-git-send-email-zohar@linux.ibm.com>
Date:   Wed, 30 Oct 2019 23:31:33 -0400
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     linuxppc-dev@...abs.org, linux-efi@...r.kernel.org,
        linux-integrity@...r.kernel.org
Cc:     Nayna Jain <nayna@...ux.ibm.com>, 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>,
        Eric Ricther <erichte@...ux.ibm.com>,
        "Oliver O'Halloran" <oohall@...il.com>,
        Jessica Yu <jeyu@...nel.org>, Mimi Zohar <zohar@...ux.ibm.com>
Subject: [PATCH v10 8/9] powerpc/ima: update ima arch policy to check for blacklist

From: Nayna Jain <nayna@...ux.ibm.com>

This patch updates the arch-specific policies for PowerNV system to make
sure that the binary hash is not blacklisted.

Signed-off-by: Nayna Jain <nayna@...ux.ibm.com>
Cc: Jessica Yu <jeyu@...nel.org>
Signed-off-by: Mimi Zohar <zohar@...ux.ibm.com>
---
 arch/powerpc/kernel/ima_arch.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/ima_arch.c b/arch/powerpc/kernel/ima_arch.c
index 0ef5956c9753..b9de0fb45bb9 100644
--- a/arch/powerpc/kernel/ima_arch.c
+++ b/arch/powerpc/kernel/ima_arch.c
@@ -23,9 +23,9 @@ bool arch_ima_get_secureboot(void)
  * is not enabled.
  */
 static const char *const secure_rules[] = {
-	"appraise func=KEXEC_KERNEL_CHECK appraise_type=imasig|modsig",
+	"appraise func=KEXEC_KERNEL_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
 #ifndef CONFIG_MODULE_SIG_FORCE
-	"appraise func=MODULE_CHECK appraise_type=imasig|modsig",
+	"appraise func=MODULE_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
 #endif
 	NULL
 };
@@ -49,9 +49,9 @@ static const char *const trusted_rules[] = {
 static const char *const secure_and_trusted_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",
 #ifndef CONFIG_MODULE_SIG_FORCE
-	"appraise func=MODULE_CHECK appraise_type=imasig|modsig",
+	"appraise func=MODULE_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
 #endif
 	NULL
 };
-- 
2.7.5