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From: Nayna Jain <nayna@linux.ibm.com>
To: linuxppc-dev@ozlabs.org, linux-efi@vger.kernel.org,
	linux-integrity@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Jeremy Kerr <jk@ozlabs.org>,
	Matthew Garret <matthew.garret@nebula.com>,
	Mimi Zohar <zohar@linux.ibm.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Claudio Carvalho <cclaudio@linux.ibm.com>,
	George Wilson <gcwilson@linux.ibm.com>,
	Elaine Palmer <erpalmer@us.ibm.com>,
	Eric Ricther <erichte@linux.ibm.com>,
	"Oliver O'Halloran" <oohall@gmail.com>,
	Nayna Jain <nayna@linux.ibm.com>,
	Prakhar Srivastava <prsriva02@gmail.com>,
	Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Subject: [PATCH v9 8/8] powerpc/ima: update ima arch policy to check for blacklist
Date: Wed, 23 Oct 2019 22:47:17 -0500
Message-ID: <20191024034717.70552-9-nayna@linux.ibm.com> (raw)
In-Reply-To: <20191024034717.70552-1-nayna@linux.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@linux.ibm.com>
Reviewed-by: Mimi Zohar <zohar@linux.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
 };
-- 
2.20.1


  parent reply index

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-24  3:47 [PATCH v9 0/8] powerpc: Enabling IMA arch specific secure boot policies Nayna Jain
2019-10-24  3:47 ` [PATCH v9 1/8] powerpc: detect the secure boot mode of the system Nayna Jain
2019-10-24 17:26   ` Lakshmi Ramasubramanian
2019-10-25 16:49     ` Nayna Jain
2019-10-24  3:47 ` [PATCH v9 2/8] powerpc/ima: add support to initialize ima policy rules Nayna Jain
2019-10-24 17:35   ` Lakshmi Ramasubramanian
2019-10-25 17:02     ` Nayna Jain
2019-10-25 18:03       ` Lakshmi Ramasubramanian
2019-10-28 23:42         ` Michael Ellerman
2019-10-26 23:52       ` Mimi Zohar
2019-10-28 11:54         ` Mimi Zohar
2019-10-24  3:47 ` [PATCH v9 3/8] powerpc: detect the trusted boot state of the system Nayna Jain
2019-10-24 17:38   ` Lakshmi Ramasubramanian
2019-10-25 16:50     ` Nayna Jain
2019-10-24  3:47 ` [PATCH v9 4/8] powerpc/ima: define trusted boot policy Nayna Jain
2019-10-24 17:40   ` Lakshmi Ramasubramanian
2019-10-24  3:47 ` [PATCH v9 5/8] ima: make process_buffer_measurement() generic Nayna Jain
2019-10-24 15:20   ` Lakshmi Ramasubramanian
2019-10-25 17:24     ` Nayna Jain
2019-10-25 17:32       ` Lakshmi Ramasubramanian
2019-10-27  0:13         ` Mimi Zohar
2019-10-30 15:22   ` Lakshmi Ramasubramanian
2019-10-30 16:35     ` Mimi Zohar
2019-10-24  3:47 ` [PATCH v9 6/8] certs: add wrapper function to check blacklisted binary hash Nayna Jain
2019-10-24  3:47 ` [PATCH v9 7/8] ima: check against blacklisted hashes for files with modsig Nayna Jain
2019-10-24 17:48   ` Lakshmi Ramasubramanian
2019-10-25 17:36     ` Nayna Jain
2019-10-24  3:47 ` Nayna Jain [this message]
2019-10-28 12:10 ` [PATCH v9 0/8] powerpc: Enabling IMA arch specific secure boot policies Mimi Zohar

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