Re: [EXTERNAL] Re: [edk2-devel] [PATCH v2 2/2] Revert "NetworkPkg/TlsAuthConfigDxe: fix TlsCaCertificate attributes retrieval"

["Bret Barkelew" <bret.barkelew@microsoft.com>]

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Reviewed-by: Bret Barkelew <bret.barkelew@microsoft.com>

- Bret

________________________________
From: devel@edk2.groups.io <devel@edk2.groups.io> on behalf of Laszlo Ersek via Groups.Io <lersek=redhat.com@groups.io>
Sent: Wednesday, March 25, 2020 12:05:28 PM
To: devel@edk2.groups.io <devel@edk2.groups.io>; michael.kubacki@outlook.com <michael.kubacki@outlook.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>; Maciej Rabeda <maciej.rabeda@linux.intel.com>; Jiaxin Wu <jiaxin.wu@intel.com>
Subject: [EXTERNAL] Re: [edk2-devel] [PATCH v2 2/2] Revert "NetworkPkg/TlsAuthConfigDxe: fix TlsCaCertificate attributes retrieval"

On 03/25/20 03:59, Michael Kubacki wrote:
> From: Michael Kubacki <michael.kubacki@microsoft.com>
>
> This reverts commit 6896efdec2709e530b23c688cf0f31706709a0c5.
>
> REF:https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugzilla.tianocore.org%2Fshow_bug.cgi%3Fid%3D2062&amp;data=02%7C01%7CBret.Barkelew%40microsoft.com%7Cef8ede7820da4096b4c208d7d0ef8630%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637207599480072478&amp;sdata=HCNGBJ8zrUEaxJ%2BsF3n77ESZzmusP4VZX8VeshCCxOY%3D&amp;reserved=0
>
> GetVariable() now returns attributes when it fails with
> EFI_BUFFER_TOO_SMALL. Therefore, commit 6896efdec270 is
> reverted since it is no longer relevant.
>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Cc: Siyuan Fu <siyuan.fu@intel.com>
> Cc: Maciej Rabeda <maciej.rabeda@linux.intel.com>
> Cc: Jiaxin Wu <jiaxin.wu@intel.com>
> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
> ---
>  NetworkPkg/TlsAuthConfigDxe/TlsAuthConfigImpl.c | 27 +-------------------
>  1 file changed, 1 insertion(+), 26 deletions(-)

Thank you very much for posting this patch.

I have locally applied your series on top of e24529a5c324
("ArmPlatformPkg/ArmPlatformPkg.dsc: Add missing components",
2020-03-25), and verified that
"NetworkPkg/TlsAuthConfigDxe/TlsAuthConfigImpl.c" is now identical to
its state directly preceding 6896efdec270:

$ git diff --color 6896efdec270^..HEAD -- \
    NetworkPkg/TlsAuthConfigDxe/TlsAuthConfigImpl.c

modulo the following two commits pushed meanwhile:

- ecf98fbcf858 ("NetworkPkg: Replace BSD License with BSD+Patent
License", 2019-04-09)

- dad13c806788 ("NetworkPkg/Tls: Fix few typos", 2020-02-10)

Therefore, for this patch:

Reviewed-by: Laszlo Ersek <lersek@redhat.com>

Thank you,
Laszlo


> diff --git a/NetworkPkg/TlsAuthConfigDxe/TlsAuthConfigImpl.c b/NetworkPkg/TlsAuthConfigDxe/TlsAuthConfigImpl.c
> index 715bc3a0a941..2481d1098fa3 100644
> --- a/NetworkPkg/TlsAuthConfigDxe/TlsAuthConfigImpl.c
> +++ b/NetworkPkg/TlsAuthConfigDxe/TlsAuthConfigImpl.c
> @@ -657,7 +657,6 @@ EnrollX509toVariable (
>    EFI_SIGNATURE_LIST                *CACert;
>    EFI_SIGNATURE_DATA                *CACertData;
>    VOID                              *Data;
> -  VOID                              *CurrentData;
>    UINTN                             DataSize;
>    UINTN                             SigDataSize;
>    UINT32                            Attr;
> @@ -669,7 +668,6 @@ EnrollX509toVariable (
>    CACert        = NULL;
>    CACertData    = NULL;
>    Data          = NULL;
> -  CurrentData   = NULL;
>    Attr          = 0;
>
>    Status = ReadFileContent (
> @@ -712,30 +710,11 @@ EnrollX509toVariable (
>    Status = gRT->GetVariable(
>                    VariableName,
>                    &gEfiTlsCaCertificateGuid,
> -                  NULL,
> +                  &Attr,
>                    &DataSize,
>                    NULL
>                    );
>    if (Status == EFI_BUFFER_TOO_SMALL) {
> -    //
> -    // Per spec, we have to fetch the variable's contents, even though we're
> -    // only interested in the variable's attributes.
> -    //
> -    CurrentData = AllocatePool (DataSize);
> -    if (CurrentData == NULL) {
> -      Status = EFI_OUT_OF_RESOURCES;
> -      goto ON_EXIT;
> -    }
> -    Status = gRT->GetVariable(
> -                    VariableName,
> -                    &gEfiTlsCaCertificateGuid,
> -                    &Attr,
> -                    &DataSize,
> -                    CurrentData
> -                    );
> -    if (EFI_ERROR (Status)) {
> -      goto ON_EXIT;
> -    }
>      Attr |= EFI_VARIABLE_APPEND_WRITE;
>    } else if (Status == EFI_NOT_FOUND) {
>      Attr = TLS_AUTH_CONFIG_VAR_BASE_ATTR;
> @@ -766,10 +745,6 @@ ON_EXIT:
>      FreePool (Data);
>    }
>
> -  if (CurrentData != NULL) {
> -    FreePool (CurrentData);
> -  }
> -
>    if (X509Data != NULL) {
>      FreePool (X509Data);
>    }
>





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