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Tue, 16 Nov 2021 00:16:46 +0000 From: Eric Snowberg To: keyrings@vger.kernel.org, linux-integrity@vger.kernel.org, zohar@linux.ibm.com, dhowells@redhat.com, dwmw2@infradead.org, herbert@gondor.apana.org.au, davem@davemloft.net, jarkko@kernel.org, jmorris@namei.org, serge@hallyn.com Cc: eric.snowberg@oracle.com, keescook@chromium.org, torvalds@linux-foundation.org, weiyongjun1@huawei.com, nayna@linux.ibm.com, ebiggers@google.com, ardb@kernel.org, nramas@linux.microsoft.com, lszubowi@redhat.com, jason@zx2c4.com, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-efi@vger.kernel.org, linux-security-module@vger.kernel.org, James.Bottomley@HansenPartnership.com, pjones@redhat.com, konrad.wilk@oracle.com Subject: [PATCH v7 13/17] KEYS: link secondary_trusted_keys to machine trusted keys Date: Mon, 15 Nov 2021 19:15:41 -0500 Message-Id: <20211116001545.2639333-14-eric.snowberg@oracle.com> X-Mailer: git-send-email 2.18.4 In-Reply-To: <20211116001545.2639333-1-eric.snowberg@oracle.com> References: <20211116001545.2639333-1-eric.snowberg@oracle.com> X-ClientProxiedBy: SN1PR12CA0048.namprd12.prod.outlook.com (2603:10b6:802:20::19) To CH2PR10MB4150.namprd10.prod.outlook.com (2603:10b6:610:ac::13) MIME-Version: 1.0 Received: from ca-dev113.us.oracle.com (148.87.23.5) by SN1PR12CA0048.namprd12.prod.outlook.com (2603:10b6:802:20::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4690.26 via Frontend Transport; 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After the link is created, keys contained in the .machine keyring will automatically be searched when searching secondary_trusted_keys. Signed-off-by: Eric Snowberg --- v3: Initial version v4: Unmodified from v3 v5: Rename to machine keyring v7: Unmodified from v5 --- certs/system_keyring.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/certs/system_keyring.c b/certs/system_keyring.c index ba732856ebd0..2a2dc70b126c 100644 --- a/certs/system_keyring.c +++ b/certs/system_keyring.c @@ -101,6 +101,9 @@ static __init struct key_restriction *get_secondary_restriction(void) void __init set_machine_trusted_keys(struct key *keyring) { machine_trusted_keys = keyring; + + if (key_link(secondary_trusted_keys, machine_trusted_keys) < 0) + panic("Can't link (machine) trusted keyrings\n"); } /**