From: Ilias Apalodimas <ilias.apalodimas@linaro.org>
To: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: u-boot@lists.denx.de,
AKASHI Takahiro <takahiro.akashi@linaro.org>,
Sughosh Ganu <sughosh.ganu@linaro.org>,
Masahisa Kojima <masahisa.kojima@linaro.org>,
Alexander Graf <agraf@csgraf.de>
Subject: Re: [PATCH 2/4] efi_loader: function to get GUID for variable name
Date: Sat, 11 Sep 2021 17:13:03 +0300 [thread overview]
Message-ID: <YTy5bxXAIPE5xbP+@apalos.home> (raw)
In-Reply-To: <20210911072832.16991-3-xypron.glpk@gmx.de>
On Sat, Sep 11, 2021 at 09:28:30AM +0200, Heinrich Schuchardt wrote:
> In multiple places we need the default GUID used for variables like
> 'PK', 'KEK', 'db'. Provide a function for it.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
> ---
> include/efi_variable.h | 8 ++++++++
> lib/efi_loader/efi_var_common.c | 9 +++++++++
> 2 files changed, 17 insertions(+)
>
> diff --git a/include/efi_variable.h b/include/efi_variable.h
> index 8f666b2309..03a3ecb235 100644
> --- a/include/efi_variable.h
> +++ b/include/efi_variable.h
> @@ -256,6 +256,14 @@ efi_status_t efi_init_secure_state(void);
> enum efi_auth_var_type efi_auth_var_get_type(const u16 *name,
> const efi_guid_t *guid);
>
> +/**
> + * efi_auth_var_get_guid() - get the predefined GUID for a variable name
> + *
> + * @name: name of UEFI variable
> + * Return: guid of UEFI variable
> + */
> +const efi_guid_t *efi_auth_var_get_guid(const u16 *name);
> +
> /**
> * efi_get_next_variable_name_mem() - Runtime common code across efi variable
> * implementations for GetNextVariable()
> diff --git a/lib/efi_loader/efi_var_common.c b/lib/efi_loader/efi_var_common.c
> index e179932124..3cbb7c96c2 100644
> --- a/lib/efi_loader/efi_var_common.c
> +++ b/lib/efi_loader/efi_var_common.c
> @@ -385,6 +385,15 @@ enum efi_auth_var_type efi_auth_var_get_type(const u16 *name,
> return EFI_AUTH_VAR_NONE;
> }
>
> +const efi_guid_t *efi_auth_var_get_guid(const u16 *name)
> +{
> + for (size_t i = 0; i < ARRAY_SIZE(name_type); ++i) {
> + if (!u16_strcmp(name, name_type[i].name))
> + return name_type[i].guid;
> + }
> + return &efi_global_variable_guid;
> +}
> +
> /**
> * efi_get_var() - read value of an EFI variable
> *
> --
> 2.30.2
>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
next prev parent reply other threads:[~2021-09-11 14:13 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 [this message]
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 ` [PATCH 4/4] efi_loader: simplify tcg2_measure_secure_boot_variable() Heinrich Schuchardt
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