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 v8 8/8] powerpc/ima: update ima arch policy to check for blacklist
Date: Sat, 19 Oct 2019 14:06:17 -0400 [thread overview]
Message-ID: <1571508377-23603-9-git-send-email-nayna@linux.ibm.com> (raw)
In-Reply-To: <1571508377-23603-1-git-send-email-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 710872ea8f35..98f3f8d9f9e4 100644
--- a/arch/powerpc/kernel/ima_arch.c
+++ b/arch/powerpc/kernel/ima_arch.c
@@ -19,9 +19,9 @@ bool arch_ima_get_secureboot(void)
* to be stored as an xattr or as an appended signature.
*/
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
};
@@ -45,9 +45,9 @@ 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
prev parent reply other threads:[~2019-10-19 18:07 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-19 18:06 [PATCH v8 0/8] powerpc: Enabling IMA arch specific secure boot policies Nayna Jain
2019-10-19 18:06 ` [PATCH v8 1/8] powerpc: detect the secure boot mode of the system Nayna Jain
2019-10-22 23:37 ` Michael Ellerman
2019-10-19 18:06 ` [PATCH v8 2/8] powerpc/ima: add support to initialize ima policy rules Nayna Jain
2019-10-20 0:16 ` Mimi Zohar
2019-10-19 18:06 ` [PATCH v8 3/8] powerpc: detect the trusted boot state of the system Nayna Jain
2019-10-20 12:48 ` Mimi Zohar
2019-10-22 23:38 ` Michael Ellerman
2019-10-19 18:06 ` [PATCH v8 4/8] powerpc/ima: add measurement rules to ima arch specific policy Nayna Jain
2019-10-20 0:16 ` Mimi Zohar
2019-10-19 18:06 ` [PATCH v8 5/8] ima: make process_buffer_measurement() generic Nayna Jain
2019-10-20 1:21 ` Mimi Zohar
2019-10-19 18:06 ` [PATCH v8 6/8] certs: add wrapper function to check blacklisted binary hash Nayna Jain
2019-10-19 18:06 ` [PATCH v8 7/8] ima: check against blacklisted hashes for files with modsig Nayna Jain
2019-10-20 0:58 ` Mimi Zohar
2019-10-20 16:06 ` Mimi Zohar
2019-10-20 16:09 ` Mimi Zohar
2019-10-19 18:06 ` Nayna Jain [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1571508377-23603-9-git-send-email-nayna@linux.ibm.com \
--to=nayna@linux.ibm.com \
--cc=ard.biesheuvel@linaro.org \
--cc=benh@kernel.crashing.org \
--cc=cclaudio@linux.ibm.com \
--cc=erichte@linux.ibm.com \
--cc=erpalmer@us.ibm.com \
--cc=gcwilson@linux.ibm.com \
--cc=gregkh@linuxfoundation.org \
--cc=jk@ozlabs.org \
--cc=linux-efi@vger.kernel.org \
--cc=linux-integrity@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@ozlabs.org \
--cc=matthew.garret@nebula.com \
--cc=mpe@ellerman.id.au \
--cc=nramas@linux.microsoft.com \
--cc=oohall@gmail.com \
--cc=paulus@samba.org \
--cc=prsriva02@gmail.com \
--cc=zohar@linux.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).