linux-kernel - [PATCH 10/20] evm: load x509 certificate from the kernel

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Date:	Wed, 23 Apr 2014 16:30:28 +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 10/20] evm: load x509 certificate from the kernel

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

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

diff --git a/security/integrity/evm/Kconfig b/security/integrity/evm/Kconfig
index 3f9098c6..70d12f7 100644
--- a/security/integrity/evm/Kconfig
+++ b/security/integrity/evm/Kconfig
@@ -51,3 +51,12 @@ config EVM_TRUSTED_KEYRING
 	help
 	   This option requires that all keys added to the _evm
 	   keyring be signed by a key on the system trusted keyring.
+
+config EVM_LOAD_X509
+	bool "Load X509 certificate to the '_evm' trusted keyring"
+	depends on EVM_TRUSTED_KEYRING
+	select INTEGRITY_LOAD_X509
+	default n
+	help
+	   This option enables X509 certificate loading from the kernel
+	   to the '_evm' trusted keyring.
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 8a11920..0f1b489 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -448,6 +448,7 @@ static int __init init_evm(void)
 	evm_init_config();
 
 	integrity_init_keyring(INTEGRITY_KEYRING_EVM);
+	integrity_load_x509(INTEGRITY_KEYRING_EVM, "/etc/keys/x509_ima.der");
 
 	error = evm_init_secfs();
 	if (error < 0) {
-- 
1.8.3.2

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