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From: Dmitry Kasatkin <d.kasatkin@samsung.com>
To: zohar@linux.vnet.ibm.com, dhowells@redhat.com, jmorris@namei.org
Cc: roberto.sassu@polito.it, linux-security-module@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Dmitry Kasatkin <d.kasatkin@samsung.com>
Subject: [PATCH 09/20] evm: create '_evm' as a builtin 'trusted' keyring
Date: Wed, 23 Apr 2014 16:30:27 +0300	[thread overview]
Message-ID: <f793666712900a3d339371a54cb2fc1e24f48827.1398259638.git.d.kasatkin@samsung.com> (raw)
In-Reply-To: <cover.1398259638.git.d.kasatkin@samsung.com>
In-Reply-To: <cover.1398259638.git.d.kasatkin@samsung.com>

Require all keys added to the EVM keyring be signed by an
existing trusted key on the system trusted keyring.

Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
---
 security/integrity/evm/Kconfig    | 8 ++++++++
 security/integrity/evm/evm_main.c | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/security/integrity/evm/Kconfig b/security/integrity/evm/Kconfig
index df20a2f..3f9098c6 100644
--- a/security/integrity/evm/Kconfig
+++ b/security/integrity/evm/Kconfig
@@ -43,3 +43,11 @@ config EVM_EXTRA_SMACK_XATTRS
 	  additional info to the calculation, requires existing EVM
 	  labeled file systems to be relabeled.
 
+config EVM_TRUSTED_KEYRING
+	bool "Require all keys on the _evm keyring be signed"
+	depends on EVM && SYSTEM_TRUSTED_KEYRING
+	select INTEGRITY_TRUSTED_KEYRING
+	default n
+	help
+	   This option requires that all keys added to the _evm
+	   keyring be signed by a key on the system trusted keyring.
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 4c00adb..8a11920 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -447,6 +447,8 @@ static int __init init_evm(void)
 
 	evm_init_config();
 
+	integrity_init_keyring(INTEGRITY_KEYRING_EVM);
+
 	error = evm_init_secfs();
 	if (error < 0) {
 		pr_info("Error registering secfs\n");
-- 
1.8.3.2


  parent reply	other threads:[~2014-04-23 13:30 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-23 13:30 [PATCH 00/20] in-kernel IMA/EVM initialization Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 01/20] KEYS: verify a certificate is signed by a 'trusted' key Dmitry Kasatkin
2014-04-24 16:53   ` Mimi Zohar
2014-04-24 20:07     ` Dmitry Kasatkin
2014-04-24 21:03       ` Mimi Zohar
2014-04-23 13:30 ` [PATCH 02/20] integrity: initialize EVM before IMA Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 03/20] ima: move asymmetric keys config option Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 04/20] integrity: move integrity subsystem options to a separate menu Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 05/20] integrity: provide builtin 'trusted' keyrings Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 06/20] ima: create '_ima' as a builtin 'trusted' keyring Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 07/20] integrity: provide x509 certificate loading from the kernel Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 08/20] ima: load x509 certificate " Dmitry Kasatkin
2014-04-23 13:30 ` Dmitry Kasatkin [this message]
2014-04-23 13:30 ` [PATCH 10/20] evm: " Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 11/20] ima: added kernel parameter for disabling IMA Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 12/20] ima: provide buffer hash calculation function Dmitry Kasatkin
2014-04-24 21:04   ` Mimi Zohar
2014-04-25 14:52     ` Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 13/20] ima: replace opencount with bitop Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 14/20] ima: check if policy was set at open Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 15/20] ima: path based policy loading interface Dmitry Kasatkin
2014-04-24 21:03   ` Mimi Zohar
2014-04-25 15:18     ` Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 16/20] ima: load policy from the kernel Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 17/20] ima: make IMA policy replaceable at runtime Dmitry Kasatkin
2014-05-14 23:45   ` Mimi Zohar
2014-05-15  6:08     ` Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 18/20] evm: added kernel parameter for disabling EVM Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 19/20] evm: try enable EVM from the kernel Dmitry Kasatkin
2014-04-23 13:30 ` [PATCH 20/20] evm: read EVM key " Dmitry Kasatkin
2014-04-24 18:44 ` [PATCH 00/20] in-kernel IMA/EVM initialization Mimi Zohar

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