From: Heinrich Schuchardt <xypron.glpk@gmx.de>
To: u-boot@lists.denx.de
Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org>,
AKASHI Takahiro <takahiro.akashi@linaro.org>,
Sughosh Ganu <sughosh.ganu@linaro.org>,
Masahisa Kojima <masahisa.kojima@linaro.org>,
Alexander Graf <agraf@csgraf.de>,
Heinrich Schuchardt <xypron.glpk@gmx.de>
Subject: [PATCH 4/4] efi_loader: simplify tcg2_measure_secure_boot_variable()
Date: Sat, 11 Sep 2021 09:28:32 +0200 [thread overview]
Message-ID: <20210911072832.16991-5-xypron.glpk@gmx.de> (raw)
In-Reply-To: <20210911072832.16991-1-xypron.glpk@gmx.de>
Don't duplicate GUIDs.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
lib/efi_loader/efi_tcg2.c | 29 +++++++++++++----------------
1 file changed, 13 insertions(+), 16 deletions(-)
diff --git a/lib/efi_loader/efi_tcg2.c b/lib/efi_loader/efi_tcg2.c
index beb224f66a..eb2c0a413c 100644
--- a/lib/efi_loader/efi_tcg2.c
+++ b/lib/efi_loader/efi_tcg2.c
@@ -11,6 +11,7 @@
#include <common.h>
#include <dm.h>
#include <efi_loader.h>
+#include <efi_variable.h>
#include <efi_tcg2.h>
#include <log.h>
#include <malloc.h>
@@ -79,17 +80,12 @@ static const struct digest_info hash_algo_list[] = {
},
};
-struct variable_info {
- u16 *name;
- const efi_guid_t *guid;
-};
-
-static struct variable_info secure_variables[] = {
- {L"SecureBoot", &efi_global_variable_guid},
- {L"PK", &efi_global_variable_guid},
- {L"KEK", &efi_global_variable_guid},
- {L"db", &efi_guid_image_security_database},
- {L"dbx", &efi_guid_image_security_database},
+static const u16 *secure_variables[] = {
+ u"SecureBoot",
+ u"PK",
+ u"KEK",
+ u"db",
+ u"dbx",
};
#define MAX_HASH_COUNT ARRAY_SIZE(hash_algo_list)
@@ -1587,19 +1583,20 @@ static efi_status_t tcg2_measure_secure_boot_variable(struct udevice *dev)
count = ARRAY_SIZE(secure_variables);
for (i = 0; i < count; i++) {
+ const efi_guid_t *guid;
+
+ guid = efi_auth_var_get_guid(secure_variables[i]);
+
/*
* According to the TCG2 PC Client PFP spec, "SecureBoot",
* "PK", "KEK", "db" and "dbx" variables must be measured
* even if they are empty.
*/
- data = efi_get_var(secure_variables[i].name,
- secure_variables[i].guid,
- &data_size);
+ data = efi_get_var(secure_variables[i], guid, &data_size);
ret = tcg2_measure_variable(dev, 7,
EV_EFI_VARIABLE_DRIVER_CONFIG,
- secure_variables[i].name,
- secure_variables[i].guid,
+ secure_variables[i], guid,
data_size, data);
free(data);
if (ret != EFI_SUCCESS)
--
2.30.2
prev parent reply other threads:[~2021-09-11 7:29 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-11 7:28 [PATCH 0/4] efi_loader: centralize known vendor GUIDs Heinrich Schuchardt
2021-09-11 7:28 ` [PATCH 1/4] efi_loader: treat UEFI variable name as const Heinrich Schuchardt
2021-09-11 14:10 ` Ilias Apalodimas
2021-09-12 19:19 ` Heinrich Schuchardt
2021-09-11 7:28 ` [PATCH 2/4] efi_loader: function to get GUID for variable name Heinrich Schuchardt
2021-09-11 14:13 ` Ilias Apalodimas
2021-09-11 14:21 ` Ilias Apalodimas
2021-09-11 7:28 ` [PATCH 3/4] efi_loader: simplify efi_sigstore_parse_sigdb() Heinrich Schuchardt
2021-09-11 14:25 ` Ilias Apalodimas
2021-09-12 19:16 ` Heinrich Schuchardt
2021-09-12 19:23 ` Ilias Apalodimas
2021-10-01 16:42 ` Heinrich Schuchardt
2021-10-01 19:08 ` Ilias Apalodimas
2021-09-11 7:28 ` Heinrich Schuchardt [this message]
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