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From: Mimi Zohar <zohar@linux.ibm.com>
To: linuxppc-dev@ozlabs.org, linux-efi@vger.kernel.org,
	linux-integrity@vger.kernel.org
Cc: Nayna Jain <nayna@linux.ibm.com>,
	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>, Eric Ricther <erichte@linux.ibm.com>,
	"Oliver O'Halloran" <oohall@gmail.com>,
	Jessica Yu <jeyu@kernel.org>, Mimi Zohar <zohar@linux.ibm.com>
Subject: [PATCH v10 8/9] powerpc/ima: update ima arch policy to check for blacklist
Date: Wed, 30 Oct 2019 23:31:33 -0400	[thread overview]
Message-ID: <1572492694-6520-9-git-send-email-zohar@linux.ibm.com> (raw)
In-Reply-To: <1572492694-6520-1-git-send-email-zohar@linux.ibm.com>

From: Nayna Jain <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>
Cc: Jessica Yu <jeyu@kernel.org>
Signed-off-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
 };
-- 
2.7.5


  parent reply	other threads:[~2019-10-31  3:32 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-31  3:31 [PATCH v10 0/9] powerpc: Enabling IMA arch specific secure boot policies Mimi Zohar
2019-10-31  3:31 ` [PATCH v10 1/9] powerpc: detect the secure boot mode of the system Mimi Zohar
2019-11-05  5:14   ` Eric Richter
2019-11-05 23:00   ` [PATCH v10a " Eric Richter
2019-11-14  9:08     ` Michael Ellerman
2019-10-31  3:31 ` [PATCH v10 2/9] powerpc/ima: add support to initialize ima policy rules Mimi Zohar
2019-11-14  9:08   ` Michael Ellerman
2019-10-31  3:31 ` [PATCH v10 3/9] powerpc: detect the trusted boot state of the system Mimi Zohar
2019-11-05 23:02   ` [PATCH v10a " Eric Richter
2019-11-14  9:08     ` Michael Ellerman
2019-10-31  3:31 ` [PATCH v10 4/9] powerpc/ima: define trusted boot policy Mimi Zohar
2019-11-14  9:08   ` Michael Ellerman
2019-10-31  3:31 ` [PATCH v10 5/9] ima: make process_buffer_measurement() generic Mimi Zohar
2019-10-31 17:02   ` Lakshmi Ramasubramanian
2019-10-31 17:22     ` Lakshmi Ramasubramanian
2019-11-14  9:08   ` Michael Ellerman
2019-10-31  3:31 ` [PATCH v10 6/9] certs: add wrapper function to check blacklisted binary hash Mimi Zohar
2019-11-14  9:08   ` Michael Ellerman
2019-10-31  3:31 ` [PATCH v10 7/9] ima: check against blacklisted hashes for files with modsig Mimi Zohar
2019-11-14  9:08   ` Michael Ellerman
2019-10-31  3:31 ` Mimi Zohar [this message]
2019-11-14  9:08   ` [PATCH v10 8/9] powerpc/ima: update ima arch policy to check for blacklist Michael Ellerman
2019-10-31  3:31 ` [RFC PATCH v10 9/9] powerpc/ima: indicate kernel modules appended signatures are enforced Mimi Zohar
2019-11-14  9:08   ` Michael Ellerman
2019-12-09 20:27 ` [PATCH v10 0/9] powerpc: Enabling IMA arch specific secure boot policies Lakshmi Ramasubramanian
2019-12-09 21:36   ` Mimi Zohar
     [not found]     ` <3322befc-d1b9-41cf-aabf-0259fe3adb2b@linux.microsoft.com>
2019-12-09 23:33       ` Verified the key measurement patches in v5.5-rc1 Lakshmi Ramasubramanian

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