From patchwork Wed Oct 23 00:18:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lakshmi Ramasubramanian X-Patchwork-Id: 11205557 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C90961515 for ; Wed, 23 Oct 2019 00:18:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A83EA2086D for ; Wed, 23 Oct 2019 00:18:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="nQfxB7Rh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732256AbfJWASZ (ORCPT ); Tue, 22 Oct 2019 20:18:25 -0400 Received: from linux.microsoft.com ([13.77.154.182]:45252 "EHLO linux.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732218AbfJWASZ (ORCPT ); Tue, 22 Oct 2019 20:18:25 -0400 Received: from nramas-ThinkStation-P520.corp.microsoft.com (unknown [131.107.174.108]) by linux.microsoft.com (Postfix) with ESMTPSA id 4E0AA2010AC3; Tue, 22 Oct 2019 17:18:24 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 4E0AA2010AC3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1571789904; bh=ZxF80hLmpS4odHnXd8DZjntedVTyJ3tH1vjLMOXe8os=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nQfxB7Rh3YN88VbtVbjqd7vP5nGaCHsKqZgVYm3tXgm6uFu/1QF1Ovv9OhP0f3I2B 3HOdT/Yjw3cGFebSmHU3Z17BB34MGPkkotsW/fghalngocZmk/mHAat/sfsasfq1qg W2JfR9lx+ZSRtYHRaRFTv+7GG2IomNjKpwzRHpIA= From: Lakshmi Ramasubramanian To: zohar@linux.ibm.com, dhowells@redhat.com, casey@schaufler-ca.com, sashal@kernel.org, jamorris@linux.microsoft.com, linux-security-module@vger.kernel.org, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, keyrings@vger.kernel.org Cc: nramas@linux.microsoft.com Subject: [PATCH v1 1/6] KEYS: Helper function to check if the given keyring is builtin_trusted_keys Date: Tue, 22 Oct 2019 17:18:13 -0700 Message-Id: <20191023001818.3684-2-nramas@linux.microsoft.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191023001818.3684-1-nramas@linux.microsoft.com> References: <20191023001818.3684-1-nramas@linux.microsoft.com> Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: Helper function to check if the given keyring is the builtin_trusted_keys keyring. This function is used by ima to determine if a key is added to the builtin_trusted_keys keyring. Signed-off-by: Lakshmi Ramasubramanian --- certs/system_keyring.c | 5 +++++ include/keys/system_keyring.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/certs/system_keyring.c b/certs/system_keyring.c index 1eba08a1af82..5533c7f92fef 100644 --- a/certs/system_keyring.c +++ b/certs/system_keyring.c @@ -283,3 +283,8 @@ void __init set_platform_trusted_keys(struct key *keyring) platform_trusted_keys = keyring; } #endif + +inline bool is_builtin_trusted_keyring(struct key *keyring) +{ + return (keyring == builtin_trusted_keys); +} diff --git a/include/keys/system_keyring.h b/include/keys/system_keyring.h index c1a96fdf598b..2bc0aaa07f05 100644 --- a/include/keys/system_keyring.h +++ b/include/keys/system_keyring.h @@ -66,4 +66,6 @@ static inline void set_platform_trusted_keys(struct key *keyring) } #endif +extern bool is_builtin_trusted_keyring(struct key *keyring); + #endif /* _KEYS_SYSTEM_KEYRING_H */