diff options
Diffstat (limited to 'KEYS-Allow-unrestricted-boot-time-addition-of-keys-t.patch')
| -rw-r--r-- | KEYS-Allow-unrestricted-boot-time-addition-of-keys-t.patch | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/KEYS-Allow-unrestricted-boot-time-addition-of-keys-t.patch b/KEYS-Allow-unrestricted-boot-time-addition-of-keys-t.patch deleted file mode 100644 index 1cc1e5370..000000000 --- a/KEYS-Allow-unrestricted-boot-time-addition-of-keys-t.patch +++ /dev/null @@ -1,95 +0,0 @@ -From fb2ac204a70da565de9ef9a9d6d69a40c2d59727 Mon Sep 17 00:00:00 2001 -From: David Howells <dhowells@redhat.com> -Date: Fri, 5 May 2017 08:21:56 +0100 -Subject: [PATCH] KEYS: Allow unrestricted boot-time addition of keys to - secondary keyring - -Allow keys to be added to the system secondary certificates keyring during -kernel initialisation in an unrestricted fashion. Such keys are implicitly -trusted and don't have their trust chains checked on link. - -This allows keys in the UEFI database to be added in secure boot mode for -the purposes of module signing. - -Signed-off-by: David Howells <dhowells@redhat.com> ---- - certs/internal.h | 18 ++++++++++++++++++ - certs/system_keyring.c | 33 +++++++++++++++++++++++++++++++++ - 2 files changed, 51 insertions(+) - create mode 100644 certs/internal.h - -diff --git a/certs/internal.h b/certs/internal.h -new file mode 100644 -index 0000000..5dcbefb ---- /dev/null -+++ b/certs/internal.h -@@ -0,0 +1,18 @@ -+/* Internal definitions -+ * -+ * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. -+ * Written by David Howells (dhowells@redhat.com) -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public Licence -+ * as published by the Free Software Foundation; either version -+ * 2 of the Licence, or (at your option) any later version. -+ */ -+ -+/* -+ * system_keyring.c -+ */ -+#ifdef CONFIG_SECONDARY_TRUSTED_KEYRING -+extern void __init add_trusted_secondary_key(const char *source, -+ const void *data, size_t len); -+#endif -diff --git a/certs/system_keyring.c b/certs/system_keyring.c -index 6251d1b..5ac8ba6 100644 ---- a/certs/system_keyring.c -+++ b/certs/system_keyring.c -@@ -18,6 +18,7 @@ - #include <keys/asymmetric-type.h> - #include <keys/system_keyring.h> - #include <crypto/pkcs7.h> -+#include "internal.h" - - static struct key *builtin_trusted_keys; - #ifdef CONFIG_SECONDARY_TRUSTED_KEYRING -@@ -265,3 +266,35 @@ int verify_pkcs7_signature(const void *data, size_t len, - EXPORT_SYMBOL_GPL(verify_pkcs7_signature); - - #endif /* CONFIG_SYSTEM_DATA_VERIFICATION */ -+ -+#ifdef CONFIG_SECONDARY_TRUSTED_KEYRING -+/** -+ * add_trusted_secondary_key - Add to secondary keyring with no validation -+ * @source: Source of key -+ * @data: The blob holding the key -+ * @len: The length of the data blob -+ * -+ * Add a key to the secondary keyring without checking its trust chain. This -+ * is available only during kernel initialisation. -+ */ -+void __init add_trusted_secondary_key(const char *source, -+ const void *data, size_t len) -+{ -+ key_ref_t key; -+ -+ key = key_create_or_update(make_key_ref(secondary_trusted_keys, 1), -+ "asymmetric", -+ NULL, data, len, -+ (KEY_POS_ALL & ~KEY_POS_SETATTR) | -+ KEY_USR_VIEW, -+ KEY_ALLOC_NOT_IN_QUOTA | -+ KEY_ALLOC_BYPASS_RESTRICTION); -+ -+ if (IS_ERR(key)) -+ pr_err("Problem loading %s X.509 certificate (%ld)\n", -+ source, PTR_ERR(key)); -+ else -+ pr_notice("Loaded %s cert '%s' linked to secondary sys keyring\n", -+ source, key_ref_to_ptr(key)->description); -+} -+#endif /* CONFIG_SECONDARY_TRUSTED_KEYRING */ --- -2.9.3 - |