linux-kernel - [PATCH 08/20] ima: load x509 certificate from the kernel

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Message-id: <f0bc49cfbccd2bffc597f14c69e6590dc5d15d3d.1398259638.git.d.kasatkin@samsung.com>
Date:	Wed, 23 Apr 2014 16:30:26 +0300
From:	Dmitry Kasatkin <d.kasatkin@...sung.com>
To:	zohar@...ux.vnet.ibm.com, dhowells@...hat.com, jmorris@...ei.org
Cc:	roberto.sassu@...ito.it, linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Dmitry Kasatkin <d.kasatkin@...sung.com>
Subject: [PATCH 08/20] ima: load x509 certificate from the kernel

Provide configuration option to load X509 certificate into the
_ima kernel keyring.

Signed-off-by: Dmitry Kasatkin <d.kasatkin@...sung.com>
---
 security/integrity/ima/Kconfig    | 9 +++++++++
 security/integrity/ima/ima_init.c | 1 +
 2 files changed, 10 insertions(+)

diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
index be11c01..5474c47 100644
--- a/security/integrity/ima/Kconfig
+++ b/security/integrity/ima/Kconfig
@@ -131,3 +131,12 @@ config IMA_TRUSTED_KEYRING
 	help
 	   This option requires that all keys added to the _ima
 	   keyring be signed by a key on the system trusted keyring.
+
+config IMA_LOAD_X509
+	bool "Load X509 certificate to the '_ima' trusted keyring"
+	depends on IMA_TRUSTED_KEYRING
+	select INTEGRITY_LOAD_X509
+	default n
+	help
+	   This option enables X509 certificate loading from the kernel
+	   to the '_ima' trusted keyring.
diff --git a/security/integrity/ima/ima_init.c b/security/integrity/ima/ima_init.c
index 515c1a2..c13d6a8 100644
--- a/security/integrity/ima/ima_init.c
+++ b/security/integrity/ima/ima_init.c
@@ -108,6 +108,7 @@ int __init ima_init(void)
 	ima_add_boot_aggregate();	/* boot aggregate must be first entry */
 	ima_init_policy();
 	integrity_init_keyring(INTEGRITY_KEYRING_IMA);
+	integrity_load_x509(INTEGRITY_KEYRING_IMA, "/etc/keys/x509_ima.der");
 
 	return ima_fs_init();
 }
-- 
1.8.3.2

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