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From: "gaoliming" <gaoliming@byosoft.com.cn>
To: <devel@edk2.groups.io>, <zhichao.gao@intel.com>,
	<vladimir.olovyannikov@broadcom.com>
Cc: "'Samer El-Haj-Mahmoud'" <Samer.El-Haj-Mahmoud@arm.com>,
	"'Laszlo Ersek'" <lersek@redhat.com>,
	"'Maciej Rabeda'" <maciej.rabeda@linux.intel.com>,
	"'Wu, Jiaxin'" <jiaxin.wu@intel.com>,
	"'Fu, Siyuan'" <siyuan.fu@intel.com>,
	"'Ni, Ray'" <ray.ni@intel.com>,
	"'Gao, Liming'" <liming.gao@intel.com>, "'Nd'" <nd@arm.com>
Subject: 回复: [edk2-devel] [PATCH v9 1/1] ShellPkg/DynamicCommand: add HttpDynamicCommand
Date: Mon, 7 Sep 2020 16:01:06 +0800	[thread overview]
Message-ID: <002201d684ed$0acb2790$206176b0$@byosoft.com.cn> (raw)
In-Reply-To: <DM6PR11MB4425AC597863BE293BF2E48CF6280@DM6PR11MB4425.namprd11.prod.outlook.com>

Zhichao:
  Dose ECC tool detect those issues? Now, ECC checker has been enabled in open CI. The patch can be checked in PR request. 

Thanks
Liming
> -----邮件原件-----
> 发件人: bounce+27952+65078+4905953+8761045@groups.io
> <bounce+27952+65078+4905953+8761045@groups.io> 代表 Gao, Zhichao
> 发送时间: 2020年9月7日 15:30
> 收件人: devel@edk2.groups.io; vladimir.olovyannikov@broadcom.com
> 抄送: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com>; Laszlo
> Ersek <lersek@redhat.com>; Maciej Rabeda
> <maciej.rabeda@linux.intel.com>; Wu, Jiaxin <jiaxin.wu@intel.com>; Fu,
> Siyuan <siyuan.fu@intel.com>; Ni, Ray <ray.ni@intel.com>; Gao, Liming
> <liming.gao@intel.com>; Nd <nd@arm.com>
> 主题: Re: [edk2-devel] [PATCH v9 1/1] ShellPkg/DynamicCommand: add
> HttpDynamicCommand
> 
> Hi Vladimmir,
> 
> There is no tools to check the coding style and the CCS spec. I check thru
> personal review. Hope the check would added in the patch check in the
> future.
> 
> Thanks,
> Zhichao
> 
> > -----Original Message-----
> > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of
> Vladimir
> > Olovyannikov via groups.io
> > Sent: Wednesday, September 2, 2020 11:49 AM
> > To: Gao, Zhichao <zhichao.gao@intel.com>; devel@edk2.groups.io
> > Cc: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com>; Laszlo
> Ersek
> > <lersek@redhat.com>; Maciej Rabeda <maciej.rabeda@linux.intel.com>;
> Wu,
> > Jiaxin <jiaxin.wu@intel.com>; Fu, Siyuan <siyuan.fu@intel.com>; Ni, Ray
> > <ray.ni@intel.com>; Gao, Liming <liming.gao@intel.com>; Nd
> <nd@arm.com>
> > Subject: Re: [edk2-devel] [PATCH v9 1/1] ShellPkg/DynamicCommand: add
> > HttpDynamicCommand
> >
> > Hi Zhichao,
> > Thank you for the feedback.
> >
> > > -----Original Message-----
> > > From: Gao, Zhichao <zhichao.gao@intel.com>
> > > Sent: Tuesday, September 1, 2020 7:32 PM
> > > To: devel@edk2.groups.io; vladimir.olovyannikov@broadcom.com
> > > Cc: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com>; Laszlo
> > > Ersek <lersek@redhat.com>; Maciej Rabeda
> > > <maciej.rabeda@linux.intel.com>; Wu, Jiaxin <jiaxin.wu@intel.com>; Fu,
> > > Siyuan <siyuan.fu@intel.com>; Ni, Ray <ray.ni@intel.com>; Gao, Liming
> > > <liming.gao@intel.com>; Nd <nd@arm.com>
> > > Subject: RE: [edk2-devel] [PATCH v9 1/1] ShellPkg/DynamicCommand:
> add
> > > HttpDynamicCommand
> > >
> > > There is no much change for the shell part VS V6. But there are still
> > some
> > > coding issue. I already fixed it in my branch
> > > https://github.com/ZhichaoGao/edk2/tree/push, only indent issue.
> > Thank you for spotting these.
> > Which tool do you use to find issues like this?
> > I looked through the code and just overlooked this issue.
> > >
> > > Another issue is the EfiTimeToEpoch:
> > > ---
> > >   UINT32 EpochDays;   // Number of days elapsed since
> EPOCH_JULIAN_DAY
> > >   UINT32 EpochSeconds;
> > >
> > >   EpochDays = EfiGetEpochDays (Time);
> > > ---
> > > EfiGetEpochDays return UINTN and it would cause a warning (warning
> would
> > > be treated as error) under X64 build. Please fix it.
> > OK. I actually took it exactly as it is in
> > EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c
> > The very same issue exists there. Even though it builds fine with
> > build -a X64 -b NOOPT -t GCC48 -p ShellPkg/ShellPkg.dsc -m
> >
> ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicCommand.
> inf
> > I agree, it should have UINTN everywhere.
> > Similar fix has to be done for
> > EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c in a later, separate
> patch.
> > >
> > > Others are OK for me.
> > >
> > > Thanks,
> > > Zhichao
> > Thank you,
> > Vladimir
> > >
> > > > -----Original Message-----
> > > > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of
> > > Vladimir
> > > > Olovyannikov via groups.io
> > > > Sent: Sunday, August 30, 2020 8:29 AM
> > > > To: devel@edk2.groups.io
> > > > Cc: Vladimir Olovyannikov <vladimir.olovyannikov@broadcom.com>;
> > > Samer El-
> > > > Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com>; Laszlo Ersek
> > > > <lersek@redhat.com>; Gao, Zhichao <zhichao.gao@intel.com>; Maciej
> > > Rabeda
> > > > <maciej.rabeda@linux.intel.com>; Wu, Jiaxin <jiaxin.wu@intel.com>; Fu,
> > > Siyuan
> > > > <siyuan.fu@intel.com>; Ni, Ray <ray.ni@intel.com>; Gao, Liming
> > > > <liming.gao@intel.com>; Nd <nd@arm.com>
> > > > Subject: [edk2-devel] [PATCH v9 1/1] ShellPkg/DynamicCommand: add
> > > > HttpDynamicCommand
> > > >
> > > > Introduce an http client utilizing EDK2 HTTP protocol, to
> > > > allow fast image downloading from http/https servers.
> > > > HTTP download speed is usually faster than tftp.
> > > > The client is based on the same approach as tftp dynamic command,
> and
> > > > uses the same UEFI Shell command line parameters. This makes it easy
> > > > integrating http into existing UEFI Shell scripts.
> > > > Note that to enable HTTP download, feature Pcd
> > > > gEfiNetworkPkgTokenSpaceGuid.PcdAllowHttpConnections must
> > > > be set to TRUE.
> > > > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2860
> > > >
> > > > Signed-off-by: Vladimir Olovyannikov
> > > <vladimir.olovyannikov@broadcom.com>
> > > > Cc: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com>
> > > > Cc: Laszlo Ersek <lersek@redhat.com>
> > > > Cc: Zhichao Gao <zhichao.gao@intel.com>
> > > > Cc: Maciej Rabeda <maciej.rabeda@linux.intel.com>
> > > > Cc: Jiaxin Wu <jiaxin.wu@intel.com>
> > > > Cc: Siyuan Fu <siyuan.fu@intel.com>
> > > > Cc: Ray Ni <ray.ni@intel.com>
> > > > Cc: Liming Gao <liming.gao@intel.com>
> > > > Cc: Nd <nd@arm.com>
> > > > ---
> > > >  ShellPkg/ShellPkg.dec                         |    1 +
> > > >  ShellPkg/ShellPkg.dsc                         |    5 +
> > > >  .../HttpDynamicCommand/HttpApp.inf            |   58 +
> > > >  .../HttpDynamicCommand/HttpDynamicCommand.inf |   63 +
> > > >  .../DynamicCommand/HttpDynamicCommand/Http.h  |   90 +
> > > >  ShellPkg/Include/Guid/ShellLibHiiGuid.h       |    5 +
> > > >  .../DynamicCommand/HttpDynamicCommand/Http.c  | 1830
> > > > +++++++++++++++++
> > > >  .../HttpDynamicCommand/HttpApp.c              |   61 +
> > > >  .../HttpDynamicCommand/HttpDynamicCommand.c   |  137 ++
> > > >  .../HttpDynamicCommand/Http.uni               |  117 ++
> > > >  10 files changed, 2367 insertions(+)
> > > >  create mode 100644
> > > > ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.inf
> > > >  create mode 100644
> > > >
> > >
> ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicCommand
> > > .inf
> > > >  create mode 100644
> > > > ShellPkg/DynamicCommand/HttpDynamicCommand/Http.h
> > > >  create mode 100644
> > > ShellPkg/DynamicCommand/HttpDynamicCommand/Http.c
> > > >  create mode 100644
> > > > ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.c
> > > >  create mode 100644
> > > >
> > >
> ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicCommand
> > > .c
> > > >  create mode 100644
> > > > ShellPkg/DynamicCommand/HttpDynamicCommand/Http.uni
> > > >
> > > > diff --git a/ShellPkg/ShellPkg.dec b/ShellPkg/ShellPkg.dec
> > > > index d0843d338126..7b2d1230bd2c 100644
> > > > --- a/ShellPkg/ShellPkg.dec
> > > > +++ b/ShellPkg/ShellPkg.dec
> > > > @@ -53,6 +53,7 @@ [Guids]
> > > >    gShellNetwork1HiiGuid           = {0xf3d301bb, 0xf4a5,
> 0x45a8,
> > {0xb0, 0xb7,
> > > 0xfa,
> > > > 0x99, 0x9c, 0x62, 0x37, 0xae}}
> > > >    gShellNetwork2HiiGuid           = {0x174b2b5, 0xf505, 0x4b12,
> > {0xaa, 0x60,
> > > 0x59,
> > > > 0xdf, 0xf8, 0xd6, 0xea, 0x37}}
> > > >    gShellTftpHiiGuid               = {0x738a9314, 0x82c1,
> 0x4592,
> > {0x8f, 0xf7, 0xc1,
> > > > 0xbd, 0xf1, 0xb2, 0x0e, 0xd4}}
> > > > +  gShellHttpHiiGuid               = {0x390f84b3, 0x221c, 0x4d9e,
> > {0xb5, 0x06,
> > > 0x6d,
> > > > 0xb9, 0x42, 0x3e, 0x0a, 0x7e}}
> > > >    gShellBcfgHiiGuid               = {0x5f5f605d, 0x1583, 0x4a2d,
> > {0xa6, 0xb2, 0xeb,
> > > > 0x12, 0xda, 0xb4, 0xa2, 0xb6}}
> > > >    gShellAcpiViewHiiGuid           = {0xda8ccdf4, 0xed8f, 0x4ffc,
> > {0xb5, 0xef,
> > > 0x2e,
> > > > 0xf5, 0x5e, 0x24, 0x93, 0x2a}}
> > > >    # FILE_GUID as defined in ShellPkg/Application/Shell/Shell.inf
> > > > diff --git a/ShellPkg/ShellPkg.dsc b/ShellPkg/ShellPkg.dsc
> > > > index 86e9f1e0040d..c42bc9464a0f 100644
> > > > --- a/ShellPkg/ShellPkg.dsc
> > > > +++ b/ShellPkg/ShellPkg.dsc
> > > > @@ -139,6 +139,11 @@ [Components]
> > > >        gEfiShellPkgTokenSpaceGuid.PcdShellLibAutoInitialize|FALSE
> > > >    }
> > > >    ShellPkg/DynamicCommand/TftpDynamicCommand/TftpApp.inf
> > > > +
> > > >
> > >
> ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicCommand
> > > .inf {
> > > > +    <PcdsFixedAtBuild>
> > > > +      gEfiShellPkgTokenSpaceGuid.PcdShellLibAutoInitialize|FALSE
> > > > +  }
> > > > +  ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.inf
> > > >
> > >
> ShellPkg/DynamicCommand/DpDynamicCommand/DpDynamicCommand.inf
> > > {
> > > >      <PcdsFixedAtBuild>
> > > >        gEfiShellPkgTokenSpaceGuid.PcdShellLibAutoInitialize|FALSE
> > > > diff --git
> > > a/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.inf
> > > > b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.inf
> > > > new file mode 100644
> > > > index 000000000000..d08d47fb37d5
> > > > --- /dev/null
> > > > +++ b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.inf
> > > > @@ -0,0 +1,58 @@
> > > > +##  @file
> > > > +# Provides Shell 'http' standalone application.
> > > > +#
> > > > +# Copyright (c) 2010 - 2019, Intel Corporation. All rights reserved.
> > <BR>
> > > > +# Copyright (c) 2015, ARM Ltd. All rights reserved.<BR>
> > > > +# Copyright (c) 2020, Broadcom. All rights reserved.<BR>
> > > > +#
> > > > +#  SPDX-License-Identifier: BSD-2-Clause-Patent
> > > > +#
> > > > +#
> > > > +##
> > > > +
> > > > +[Defines]
> > > > +  INF_VERSION                    = 0x00010006
> > > > +  BASE_NAME                      = http
> > > > +  FILE_GUID                      =
> > 56B00FB7-91D2-869B-CE5C-26CD1A89C73C
> > > > +  MODULE_TYPE                    = UEFI_APPLICATION
> > > > +  VERSION_STRING                 = 1.0
> > > > +  ENTRY_POINT                    = HttpAppInitialize
> > > > +#
> > > > +#  This flag specifies whether HII resource section is generated into
> > PE
> > > image.
> > > > +#
> > > > +  UEFI_HII_RESOURCE_SECTION      = TRUE
> > > > +
> > > > +[Sources.common]
> > > > +  Http.c
> > > > +  HttpApp.c
> > > > +  Http.h
> > > > +  Http.uni
> > > > +
> > > > +[Packages]
> > > > +  EmbeddedPkg/EmbeddedPkg.dec
> > > > +  MdeModulePkg/MdeModulePkg.dec
> > > > +  MdePkg/MdePkg.dec
> > > > +  NetworkPkg/NetworkPkg.dec
> > > > +  ShellPkg/ShellPkg.dec
> > > > +
> > > > +[LibraryClasses]
> > > > +  BaseLib
> > > > +  BaseMemoryLib
> > > > +  DebugLib
> > > > +  FileHandleLib
> > > > +  HiiLib
> > > > +  HttpLib
> > > > +  MemoryAllocationLib
> > > > +  NetLib
> > > > +  ShellLib
> > > > +  UefiApplicationEntryPoint
> > > > +  UefiBootServicesTableLib
> > > > +  UefiHiiServicesLib
> > > > +  UefiLib
> > > > +  UefiRuntimeServicesTableLib
> > > > +
> > > > +[Protocols]
> > > > +  gEfiHiiPackageListProtocolGuid                 ## CONSUMES
> > > > +  gEfiHttpProtocolGuid                         ## CONSUMES
> > > > +  gEfiHttpServiceBindingProtocolGuid           ## CONSUMES
> > > > +  gEfiManagedNetworkServiceBindingProtocolGuid   ## CONSUMES
> > > > diff --git
> > > >
> > >
> a/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicComma
> > > nd.in
> > > > f
> > > >
> > >
> b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicComma
> > > nd.in
> > > > f
> > > > new file mode 100644
> > > > index 000000000000..5d46ee2384d5
> > > > --- /dev/null
> > > > +++
> > > >
> > >
> b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicComma
> > > nd.in
> > > > f
> > > > @@ -0,0 +1,63 @@
> > > > +##  @file
> > > > +# Provides Shell 'http' dynamic command.
> > > > +#
> > > > +# Copyright (c) 2010 - 2019, Intel Corporation. All rights reserved.
> > <BR>
> > > > +# Copyright (c) 2015, ARM Ltd. All rights reserved.<BR>
> > > > +# Copyright (c) 2020, Broadcom. All rights reserved.<BR>
> > > > +#
> > > > +#  SPDX-License-Identifier: BSD-2-Clause-Patent
> > > > +#
> > > > +#
> > > > +##
> > > > +
> > > > +[Defines]
> > > > +  INF_VERSION                    = 0x00010006
> > > > +  BASE_NAME                      = httpDynamicCommand
> > > > +  FILE_GUID                      =
> > 19618BCE-55AE-09C6-37E9-4CE04084C7A1
> > > > +  MODULE_TYPE                    = DXE_DRIVER
> > > > +  VERSION_STRING                 = 1.0
> > > > +  ENTRY_POINT                    = HttpCommandInitialize
> > > > +  UNLOAD_IMAGE                   = HttpUnload
> > > > +#
> > > > +#  This flag specifies whether HII resource section is generated into
> > PE
> > > image.
> > > > +#
> > > > +  UEFI_HII_RESOURCE_SECTION      = TRUE
> > > > +
> > > > +[Sources.common]
> > > > +  Http.c
> > > > +  HttpDynamicCommand.c
> > > > +  Http.h
> > > > +  Http.uni
> > > > +
> > > > +[Packages]
> > > > +  EmbeddedPkg/EmbeddedPkg.dec
> > > > +  MdePkg/MdePkg.dec
> > > > +  MdeModulePkg/MdeModulePkg.dec
> > > > +  NetworkPkg/NetworkPkg.dec
> > > > +  ShellPkg/ShellPkg.dec
> > > > +
> > > > +[LibraryClasses]
> > > > +  BaseLib
> > > > +  BaseMemoryLib
> > > > +  DebugLib
> > > > +  FileHandleLib
> > > > +  HiiLib
> > > > +  HttpLib
> > > > +  MemoryAllocationLib
> > > > +  NetLib
> > > > +  ShellLib
> > > > +  UefiBootServicesTableLib
> > > > +  UefiDriverEntryPoint
> > > > +  UefiHiiServicesLib
> > > > +  UefiLib
> > > > +  UefiRuntimeServicesTableLib
> > > > +
> > > > +[Protocols]
> > > > +  gEfiHiiPackageListProtocolGuid                 ## CONSUMES
> > > > +  gEfiHttpProtocolGuid                         ## CONSUMES
> > > > +  gEfiHttpServiceBindingProtocolGuid           ## CONSUMES
> > > > +  gEfiManagedNetworkServiceBindingProtocolGuid   ## CONSUMES
> > > > +  gEfiShellDynamicCommandProtocolGuid            ##
> PRODUCES
> > > > +
> > > > +[DEPEX]
> > > > +  TRUE
> > > > diff --git a/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.h
> > > > b/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.h
> > > > new file mode 100644
> > > > index 000000000000..c53479b823e7
> > > > --- /dev/null
> > > > +++ b/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.h
> > > > @@ -0,0 +1,90 @@
> > > > +/** @file
> > > > +  Header file for 'http' command functions.
> > > > +
> > > > +  Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.
> > <BR>
> > > > +  Copyright (c) 2015, ARM Ltd. All rights reserved.<BR>
> > > > +  Copyright (c) 2020, Broadcom. All rights reserved.<BR>
> > > > +
> > > > +  SPDX-License-Identifier: BSD-2-Clause-Patent
> > > > +
> > > > +**/
> > > > +
> > > > +#ifndef _HTTP_H_
> > > > +#define _HTTP_H_
> > > > +
> > > > +#include <Uefi.h>
> > > > +
> > > > +#include <Library/BaseLib.h>
> > > > +#include <Library/BaseMemoryLib.h>
> > > > +#include <Library/DebugLib.h>
> > > > +#include <Library/HiiLib.h>
> > > > +#include <Library/HttpLib.h>
> > > > +#include <Library/MemoryAllocationLib.h>
> > > > +#include <Library/NetLib.h>
> > > > +#include <Library/PrintLib.h>
> > > > +#include <Library/ShellLib.h>
> > > > +#include <Library/UefiBootServicesTableLib.h>
> > > > +#include <Library/UefiHiiServicesLib.h>
> > > > +#include <Library/UefiLib.h>
> > > > +#include <Library/UefiRuntimeServicesTableLib.h>
> > > > +
> > > > +#include <Protocol/HiiPackageList.h>
> > > > +#include <Protocol/HttpUtilities.h>
> > > > +#include <Protocol/ServiceBinding.h>
> > > > +
> > > > +#define HTTP_APP_NAME L"http"
> > > > +
> > > > +#define REQ_OK           0
> > > > +#define REQ_NEED_REPEAT  1
> > > > +
> > > > +// Download Flags
> > > > +#define DL_FLAG_TIME     BIT0 // Show elapsed time.
> > > > +#define DL_FLAG_KEEP_BAD BIT1 // Keep files even if download failed.
> > > > +
> > > > +extern EFI_HII_HANDLE mHttpHiiHandle;
> > > > +
> > > > +typedef struct {
> > > > +  UINTN                 ContentDownloaded;
> > > > +  UINTN                 ContentLength;
> > > > +  UINTN                 LastReportedNbOfBytes;
> > > > +  UINTN                 BufferSize;
> > > > +  UINTN                 Status;
> > > > +  UINTN                 Flags;
> > > > +  UINT8                 *Buffer;
> > > > +  CHAR16                *ServerAddrAndProto;
> > > > +  CHAR16                *URI;
> > > > +  EFI_HTTP_TOKEN        ResponseToken;
> > > > +  EFI_HTTP_TOKEN        RequestToken;
> > > > +  EFI_HTTP_PROTOCOL     *Http;
> > > > +  EFI_HTTP_CONFIG_DATA  HttpConfigData;
> > > > +} HTTP_DOWNLOAD_CONTEXT;
> > > > +
> > > > +/**
> > > > +  Function for 'http' command.
> > > > +
> > > > +  @param[in]  ImageHandle     The image handle.
> > > > +  @param[in]  SystemTable     The system table.
> > > > +
> > > > +  @retval SHELL_SUCCESS            Command completed
> successfully.
> > > > +  @retval SHELL_INVALID_PARAMETER  Command usage error.
> > > > +  @retval SHELL_ABORTED            The user aborts the
> operation.
> > > > +  @retval value                    Unknown error.
> > > > +**/
> > > > +SHELL_STATUS
> > > > +RunHttp (
> > > > +  IN EFI_HANDLE        ImageHandle,
> > > > +  IN EFI_SYSTEM_TABLE  *SystemTable
> > > > +  );
> > > > +
> > > > +/**
> > > > +  Retrive HII package list from ImageHandle and publish to HII
> > database.
> > > > +
> > > > +  @param ImageHandle            The image handle of the
> process.
> > > > +
> > > > +  @return HII handle.
> > > > +**/
> > > > +EFI_HII_HANDLE
> > > > +InitializeHiiPackage (
> > > > +  EFI_HANDLE                  ImageHandle
> > > > +  );
> > > > +#endif // _HTTP_H_
> > > > diff --git a/ShellPkg/Include/Guid/ShellLibHiiGuid.h
> > > > b/ShellPkg/Include/Guid/ShellLibHiiGuid.h
> > > > index 5da9128333a4..6e328b460d8c 100644
> > > > --- a/ShellPkg/Include/Guid/ShellLibHiiGuid.h
> > > > +++ b/ShellPkg/Include/Guid/ShellLibHiiGuid.h
> > > > @@ -59,6 +59,10 @@
> > > >      0x738a9314, 0x82c1, 0x4592, { 0x8f, 0xf7, 0xc1, 0xbd, 0xf1, 0xb2,
> > 0x0e,
> > > 0xd4 }
> > > > \
> > > >    }
> > > >
> > > > +#define SHELL_HTTP_HII_GUID \
> > > > +  { \
> > > > +    0x390f84b3, 0x221c, 0x4d9e, { 0xb5, 0x06, 0x6d, 0xb9, 0x42,
> 0x3e,
> > 0x0a,
> > > > 0x7e } \
> > > > +  }
> > > >
> > > >  #define SHELL_BCFG_HII_GUID \
> > > >    { \
> > > > @@ -75,6 +79,7 @@ extern EFI_GUID gShellLevel3HiiGuid;
> > > >  extern EFI_GUID gShellNetwork1HiiGuid;
> > > >  extern EFI_GUID gShellNetwork2HiiGuid;
> > > >  extern EFI_GUID gShellTftpHiiGuid;
> > > > +extern EFI_GUID gShellHttpHiiGuid;
> > > >  extern EFI_GUID gShellBcfgHiiGuid;
> > > >
> > > >  #endif
> > > > diff --git a/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.c
> > > > b/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.c
> > > > new file mode 100644
> > > > index 000000000000..465706ab7757
> > > > --- /dev/null
> > > > +++ b/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.c
> > > > @@ -0,0 +1,1830 @@
> > > > +/** @file
> > > > +  The implementation for the 'http' Shell command.
> > > > +
> > > > +  Copyright (c) 2015, ARM Ltd. All rights reserved.<BR>
> > > > +  Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.
> > <BR>
> > > > +  (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
> > > > +  Copyright (c) 2020, Broadcom. All rights reserved. <BR>
> > > > +
> > > > +  SPDX-License-Identifier: BSD-2-Clause-Patent
> > > > +**/
> > > > +
> > > > +#include "Http.h"
> > > > +
> > > > +#define IP4_CONFIG2_INTERFACE_INFO_NAME_LENGTH 32
> > > > +
> > > > +/*
> > > > +   Constant strings and definitions related to the message
> > > > +   indicating the amount of progress in the dowloading of a HTTP
> > file.
> > > > +*/
> > > > +
> > > > +// Number of steps in the progression slider
> > > > +#define HTTP_PROGRESS_SLIDER_STEPS  \
> > > > +  ((sizeof (HTTP_PROGR_FRAME) / sizeof (CHAR16)) - 3)
> > > > +
> > > > +// Size in number of characters plus one (final zero) of the message
> > to
> > > > +// indicate the progress of an HTTP download. The format is
> > "[(progress
> > > slider:
> > > > +// 40 characters)] (nb of KBytes downloaded so far: 7 characters)
> > Kb".
> > > There
> > > > +// are thus the number of characters in HTTP_PROGR_FRAME[] plus 11
> > > > characters
> > > > +// (2 // spaces, "Kb" and seven characters for the number of KBytes).
> > > > +#define HTTP_PROGRESS_MESSAGE_SIZE  \
> > > > +  ((sizeof (HTTP_PROGR_FRAME) / sizeof (CHAR16)) + 12)
> > > > +
> > > > +//
> > > > +// Buffer size. Note that larger buffer does not mean better speed!
> > > > +//
> > > > +#define DEFAULT_BUF_SIZE      SIZE_32KB
> > > > +#define MAX_BUF_SIZE          SIZE_4MB
> > > > +
> > > > +#define MIN_PARAM_COUNT       2
> > > > +#define MAX_PARAM_COUNT       4
> > > > +#define NEED_REDIRECTION(Code) \
> > > > +  (((Code >= HTTP_STATUS_300_MULTIPLE_CHOICES) \
> > > > +  && (Code <= HTTP_STATUS_307_TEMPORARY_REDIRECT)) \
> > > > +  || (Code == HTTP_STATUS_308_PERMANENT_REDIRECT))
> > > > +
> > > > +#define CLOSE_HTTP_HANDLE(ControllerHandle,HttpChildHandle) \
> > > > +  do { \
> > > > +    if (HttpChildHandle) { \
> > > > +      CloseProtocolAndDestroyServiceChild ( \
> > > > +        ControllerHandle, \
> > > > +        &gEfiHttpServiceBindingProtocolGuid, \
> > > > +        &gEfiHttpProtocolGuid, \
> > > > +        HttpChildHandle \
> > > > +        ); \
> > > > +      HttpChildHandle = NULL; \
> > > > +    } \
> > > > +  } while (0)
> > > > +
> > > > +typedef enum {
> > > > +  HDR_HOST,
> > > > +  HDR_CONN,
> > > > +  HDR_AGENT,
> > > > +  HDR_MAX
> > > > +} HDR_TYPE;
> > > > +
> > > > +#define USER_AGENT_HDR  "Mozilla/5.0 (EDK2; Linux)
> Gecko/20100101
> > > > Firefox/79.0"
> > > > +
> > > > +#define TIMER_MAX_TIMEOUT_S   10
> > > > +
> > > > +// File name to use when URI ends with "/"
> > > > +#define DEFAULT_HTML_FILE     L"index.html"
> > > > +#define DEFAULT_HTTP_PROTO    L"http"
> > > > +
> > > > +// String to delete the HTTP progress message to be able to update it
> > :
> > > > +// (HTTP_PROGRESS_MESSAGE_SIZE-1) '\b'
> > > > +#define HTTP_PROGRESS_DEL \
> > > > +
> > > L"\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\
> > > b\b\b\
> > > > +\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"
> > > > +
> > > > +#define HTTP_KB              L"\b\b\b\b\b\b\b\b\b\b"
> > > > +// Frame for the progression slider
> > > > +#define HTTP_PROGR_FRAME     L"[
> > ]"
> > > > +
> > > > +#define EPOCH_JULIAN_DATE    2440588
> > > > +// Seconds per unit
> > > > +#define SEC_PER_MIN
> ((UINTN)
> > 60)
> > > > +#define SEC_PER_HOUR
> ((UINTN)
> > 3600)
> > > > +#define SEC_PER_DAY
> ((UINTN)
> > 86400)
> > > > +#define SEC_PER_MONTH
> ((UINTN)
> > 2,592,000)
> > > > +#define SEC_PER_YEAR
> ((UINTN)
> > 31,536,000)
> > > > +
> > > > +// Improve readability by using these macros
> > > > +#define PRINT_HII(token,...) \
> > > > +  ShellPrintHiiEx (\
> > > > +      -1, -1, NULL, token, mHttpHiiHandle, __VA_ARGS__)
> > > > +
> > > > +#define PRINT_HII_APP(token,value) \
> > > > +  PRINT_HII (token, HTTP_APP_NAME, value)
> > > > +
> > > > +// String descriptions for server errors
> > > > +STATIC CONST CHAR16 *ErrStatusDesc[] =
> > > > +{
> > > > +  L"400 Bad Request",
> > > > +  L"401 Unauthorized",
> > > > +  L"402 Payment required",
> > > > +  L"403 Forbidden",
> > > > +  L"404 Not Found",
> > > > +  L"405 Method not allowed",
> > > > +  L"406 Not acceptable",
> > > > +  L"407 Proxy authentication required",
> > > > +  L"408 Request time out",
> > > > +  L"409 Conflict",
> > > > +  L"410 Gone",
> > > > +  L"411 Length required",
> > > > +  L"412 Precondition failed",
> > > > +  L"413 Request entity too large",
> > > > +  L"414 Request URI to large",
> > > > +  L"415 Unsupported media type",
> > > > +  L"416 Requested range not satisfied",
> > > > +  L"417 Expectation failed",
> > > > +  L"500 Internal server error",
> > > > +  L"501 Not implemented",
> > > > +  L"502 Bad gateway",
> > > > +  L"503 Service unavailable",
> > > > +  L"504 Gateway timeout",
> > > > +  L"505 HTTP version not supported"
> > > > +};
> > > > +
> > > > +STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
> > > > +  {L"-i", TypeValue},
> > > > +  {L"-k", TypeFlag},
> > > > +  {L"-l", TypeValue},
> > > > +  {L"-m", TypeFlag},
> > > > +  {L"-s", TypeValue},
> > > > +  {L"-t", TypeValue},
> > > > +  {NULL , TypeMax}
> > > > +};
> > > > +
> > > > +// Local File Handle
> > > > +STATIC SHELL_FILE_HANDLE   mFileHandle = NULL;
> > > > +
> > > > +// Path of the local file, Unicode encoded
> > > > +STATIC CONST CHAR16        *mLocalFilePath;
> > > > +
> > > > +STATIC BOOLEAN             gRequestCallbackComplete = FALSE;
> > > > +STATIC BOOLEAN             gResponseCallbackComplete = FALSE;
> > > > +
> > > > +STATIC BOOLEAN             gHttpError;
> > > > +
> > > > +EFI_HII_HANDLE             mHttpHiiHandle;
> > > > +
> > > > +// Functions declarations
> > > > +/**
> > > > +  Check and convert the UINT16 option values of the 'http' command
> > > > +
> > > > +  @param[in]  ValueStr  Value as an Unicode encoded string
> > > > +  @param[out] Value     UINT16 value
> > > > +
> > > > +  @return     TRUE      The value was returned.
> > > > +  @return     FALSE     A parsing error occured.
> > > > +**/
> > > > +STATIC
> > > > +BOOLEAN
> > > > +StringToUint16 (
> > > > +  IN   CONST CHAR16  *ValueStr,
> > > > +  OUT  UINT16        *Value
> > > > +  );
> > > > +
> > > > +/**
> > > > +  Get the name of the NIC.
> > > > +
> > > > +  @param[in]   ControllerHandle  The network physical device
> handle.
> > > > +  @param[in]   NicNumber         The network physical device
> number.
> > > > +  @param[out]  NicName           Address where to store the
> NIC name.
> > > > +                                 The memory area has to be at
> least
> > > > +
> > IP4_CONFIG2_INTERFACE_INFO_NAME_LENGTH
> > > > +                                 double byte wide.
> > > > +
> > > > +  @return  EFI_SUCCESS  The name of the NIC was returned.
> > > > +  @return  Others       The creation of the child for the Managed
> > > > +                        Network Service failed or the opening of
> > > > +                        the Managed Network Protocol failed or
> > > > +                        the operational parameters for the
> > > > +                        Managed Network Protocol could not be
> > > > +                        read.
> > > > +**/
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +GetNicName (
> > > > +  IN   EFI_HANDLE  ControllerHandle,
> > > > +  IN   UINTN       NicNumber,
> > > > +  OUT  CHAR16      *NicName
> > > > +  );
> > > > +
> > > > +/**
> > > > +  Create a child for the service identified by its service binding
> > protocol
> > > GUID
> > > > +  and get from the child the interface of the protocol identified by
> > its
> > > GUID.
> > > > +
> > > > +  @param[in]   ControllerHandle            Controller handle.
> > > > +  @param[in]   ServiceBindingProtocolGuid  Service binding
> protocol
> > GUID
> > > of the
> > > > +                                           service to be
> created.
> > > > +  @param[in]   ProtocolGuid                GUID of the
> protocol to be
> > open.
> > > > +  @param[out]  ChildHandle                 Address where the
> handler
> > of the
> > > > +                                           created child is
> returned.
> > NULL is
> > > > +                                           returned in case
> of error.
> > > > +  @param[out]  Interface                   Address where a
> pointer to
> > the
> > > > +                                           protocol
> interface is
> > returned in
> > > > +                                           case of success.
> > > > +
> > > > +  @return  EFI_SUCCESS  The child was created and the protocol
> > opened.
> > > > +  @return  Others       Either the creation of the child or the
> > opening
> > > > +                        of the protocol failed.
> > > > +**/
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +CreateServiceChildAndOpenProtocol (
> > > > +  IN   EFI_HANDLE  ControllerHandle,
> > > > +  IN   EFI_GUID    *ServiceBindingProtocolGuid,
> > > > +  IN   EFI_GUID    *ProtocolGuid,
> > > > +  OUT  EFI_HANDLE  *ChildHandle,
> > > > +  OUT  VOID        **Interface
> > > > +  );
> > > > +
> > > > +/**
> > > > +  Close the protocol identified by its GUID on the child handle of
> > the
> > > service
> > > > +  identified by its service binding protocol GUID, then destroy the
> > child
> > > > +  handle.
> > > > +
> > > > +  @param[in]  ControllerHandle            Controller handle.
> > > > +  @param[in]  ServiceBindingProtocolGuid  Service binding protocol
> > GUID
> > > of the
> > > > +                                          service to be
> destroyed.
> > > > +  @param[in]  ProtocolGuid                GUID of the protocol
> to be
> > closed.
> > > > +  @param[in]  ChildHandle                 Handle of the child
> to be
> > destroyed.
> > > > +
> > > > +**/
> > > > +STATIC
> > > > +VOID
> > > > +CloseProtocolAndDestroyServiceChild (
> > > > +  IN  EFI_HANDLE  ControllerHandle,
> > > > +  IN  EFI_GUID    *ServiceBindingProtocolGuid,
> > > > +  IN  EFI_GUID    *ProtocolGuid,
> > > > +  IN  EFI_HANDLE  ChildHandle
> > > > +  );
> > > > +
> > > > +/**
> > > > +  Worker function that download the data of a file from an HTTP
> > server
> > > given
> > > > +  the path of the file and its size.
> > > > +
> > > > +  @param[in]   Context           A pointer to the download
> context.
> > > > +
> > > > +  @retval  EFI_SUCCESS           The file was downloaded.
> > > > +  @retval  EFI_OUT_OF_RESOURCES  A memory allocation failed.
> > > > +  @retval  Others                The downloading of the file
> > > > +                                 from the server failed.
> > > > +
> > > > +**/
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +DownloadFile (
> > > > +  IN   HTTP_DOWNLOAD_CONTEXT   *Context,
> > > > +  IN   EFI_HANDLE              ControllerHandle,
> > > > +  IN   CHAR16                  *NicName
> > > > +  );
> > > > +
> > > > +/**
> > > > +  Cleans off leading and trailing spaces and tabs.
> > > > +
> > > > +  @param[in] String pointer to the string to trim them off.
> > > > +**/
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +TrimSpaces (
> > > > +  IN CHAR16 *String
> > > > +  )
> > > > +{
> > > > +  CHAR16 *Str;
> > > > +  UINTN  Len;
> > > > +
> > > > +  ASSERT (String != NULL);
> > > > +
> > > > +  if (!String) {
> > > > +    return EFI_INVALID_PARAMETER;
> > > > +  }
> > > > +
> > > > +  Str = String;
> > > > +
> > > > +  //
> > > > +  // Remove any whitespace at the beginning of the Str.
> > > > +  //
> > > > +  while (*Str == L' ' || *Str == L'\t') {
> > > > +    Str++;
> > > > +  }
> > > > +
> > > > +  //
> > > > +  // Remove any whitespace at the end of the Str.
> > > > +  //
> > > > +  do {
> > > > +    Len = StrLen (Str);
> > > > +    if (!Len || (Str[Len - 1] != L' ' && Str[Len - 1] != '\t')) {
> > > > +      break;
> > > > +    }
> > > > +
> > > > +    Str[Len - 1] = CHAR_NULL;
> > > > +  } while (Len);
> > > > +
> > > > +  CopyMem (String, Str, StrSize (Str));
> > > > +
> > > > +  return EFI_SUCCESS;
> > > > +}
> > > > +
> > > > +
> > > > +/*
> > > > + * Callbacks for request and response.
> > > > + * We just acknowledge that operation has completed here.
> > > > + */
> > > > +STATIC
> > > > +VOID
> > > > +EFIAPI
> > > > +RequestCallback (
> > > > +  IN EFI_EVENT Event,
> > > > +  IN VOID      *Context
> > > > +)
> > > > +{
> > > > +  gRequestCallbackComplete = TRUE;
> > > > +}
> > > > +
> > > > +STATIC
> > > > +VOID
> > > > +EFIAPI
> > > > +ResponseCallback (
> > > > +  IN EFI_EVENT Event,
> > > > +  IN VOID      *Context
> > > > +)
> > > > +{
> > > > +  gResponseCallbackComplete = TRUE;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Calculate Epoch days
> > > > + **/
> > > > +STATIC
> > > > +UINTN
> > > > +EfiGetEpochDays (
> > > > +  IN  EFI_TIME  *Time
> > > > +  )
> > > > +{
> > > > +  UINTN a;
> > > > +  UINTN y;
> > > > +  UINTN m;
> > > > +  UINTN JulianDate; // Absolute Julian Date representation of the
> > supplied
> > > Time
> > > > +  UINTN EpochDays;  // Number of days elapsed since
> > > EPOCH_JULIAN_DAY
> > > > +
> > > > +  a = (14 - Time->Month) / 12 ;
> > > > +  y = Time->Year + 4800 - a;
> > > > +  m = Time->Month + (12 * a) - 3;
> > > > +
> > > > +  JulianDate = Time->Day + ((153 * m + 2) / 5) + (365 * y) + (y / 4)
> > -
> > > > +               (y / 100) + (y / 400) - 32045;
> > > > +
> > > > +  ASSERT (JulianDate >= EPOCH_JULIAN_DATE);
> > > > +  EpochDays = JulianDate - EPOCH_JULIAN_DATE;
> > > > +
> > > > +  return EpochDays;
> > > > +}
> > > > +/**
> > > > +  Converts EFI_TIME to Epoch seconds
> > > > +  (elapsed since 1970 JANUARY 01, 00:00:00 UTC)
> > > > + **/
> > > > +STATIC
> > > > +UINT32
> > > > +EfiTimeToEpoch (
> > > > +  IN  EFI_TIME  *Time
> > > > +  )
> > > > +{
> > > > +  UINT32 EpochDays;   // Number of days elapsed since
> > > EPOCH_JULIAN_DAY
> > > > +  UINT32 EpochSeconds;
> > > > +
> > > > +  EpochDays = EfiGetEpochDays (Time);
> > > > +
> > > > +  EpochSeconds = (EpochDays * SEC_PER_DAY) +
> > > > +                 ((UINTN)Time->Hour * SEC_PER_HOUR) +
> > > > +                 (Time->Minute * SEC_PER_MIN) + Time->Second;
> > > > +
> > > > +  return EpochSeconds;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Function for 'http' command.
> > > > +
> > > > +  @param[in] ImageHandle  Handle to the Image (NULL if Internal).
> > > > +  @param[in] SystemTable  Pointer to the System Table (NULL if
> > Internal).
> > > > +
> > > > +  @return  SHELL_SUCCESS            The 'http' command
> completed
> > > successfully.
> > > > +  @return  SHELL_ABORTED            The Shell Library
> initialization
> > failed.
> > > > +  @return  SHELL_INVALID_PARAMETER  At least one of the
> command's
> > > > arguments is
> > > > +                                    not valid.
> > > > +  @return  SHELL_OUT_OF_RESOURCES   A memory allocation
> failed.
> > > > +  @return  SHELL_NOT_FOUND          Network Interface Card
> not found.
> > > > +  @return  SHELL_UNSUPPORTED        Command was valid, but
> the server
> > > > returned
> > > > +                                    a status code indicating
> some
> > error.
> > > > +                                    Examine the file
> requested for
> > error body.
> > > > +
> > > > +**/
> > > > +SHELL_STATUS
> > > > +RunHttp (
> > > > +  IN EFI_HANDLE        ImageHandle,
> > > > +  IN EFI_SYSTEM_TABLE  *SystemTable
> > > > +  )
> > > > +{
> > > > +  EFI_STATUS              Status;
> > > > +  LIST_ENTRY              *CheckPackage;
> > > > +  UINTN                   ParamCount;
> > > > +  UINTN                   HandleCount;
> > > > +  UINTN                   NicNumber;
> > > > +  UINTN                   InitialSize;
> > > > +  UINTN                   ParamOffset;
> > > > +  UINTN                   StartSize;
> > > > +  CHAR16                  *ProblemParam;
> > > > +  CHAR16
> > > NicName[IP4_CONFIG2_INTERFACE_INFO_NAME_LENGTH];
> > > > +  CHAR16                  *Walker1;
> > > > +  CHAR16                  *VStr;
> > > > +  CONST CHAR16            *UserNicName;
> > > > +  CONST CHAR16            *ValueStr;
> > > > +  CONST CHAR16            *RemoteFilePath;
> > > > +  CONST CHAR16            *Walker;
> > > > +  EFI_HTTPv4_ACCESS_POINT IPv4Node;
> > > > +  EFI_HANDLE              *Handles;
> > > > +  EFI_HANDLE              ControllerHandle;
> > > > +  HTTP_DOWNLOAD_CONTEXT   Context;
> > > > +  BOOLEAN                 NicFound;
> > > > +
> > > > +  ProblemParam        = NULL;
> > > > +  RemoteFilePath      = NULL;
> > > > +  NicFound            = FALSE;
> > > > +  Handles             = NULL;
> > > > +
> > > > +  //
> > > > +  // Initialize the Shell library (we must be in non-auto-init...)
> > > > +  //
> > > > +  ParamOffset = 0;
> > > > +  gHttpError  = FALSE;
> > > > +
> > > > +  Status = ShellInitialize ();
> > > > +  if (EFI_ERROR (Status)) {
> > > > +    ASSERT_EFI_ERROR (Status);
> > > > +    return SHELL_ABORTED;
> > > > +  }
> > > > +
> > > > +  ZeroMem (&Context, sizeof (Context));
> > > > +
> > > > +  //
> > > > +  // Parse the command line.
> > > > +  //
> > > > +  Status = ShellCommandLineParse (
> > > > +             ParamList,
> > > > +             &CheckPackage,
> > > > +             &ProblemParam,
> > > > +             TRUE
> > > > +             );
> > > > +  if (EFI_ERROR (Status)) {
> > > > +    if ((Status == EFI_VOLUME_CORRUPTED)
> > > > +     && (ProblemParam != NULL))
> > > > +    {
> > > > +      PRINT_HII_APP (STRING_TOKEN (STR_GEN_PROBLEM),
> > > ProblemParam);
> > > > +      SHELL_FREE_NON_NULL (ProblemParam);
> > > > +    } else {
> > > > +      ASSERT (FALSE);
> > > > +    }
> > > > +
> > > > +    goto Error;
> > > > +  }
> > > > +
> > > > +  //
> > > > +  // Check the number of parameters
> > > > +  //
> > > > +  Status = EFI_INVALID_PARAMETER;
> > > > +
> > > > +  ParamCount = ShellCommandLineGetCount (CheckPackage);
> > > > +  if (ParamCount > MAX_PARAM_COUNT) {
> > > > +    PRINT_HII_APP (STRING_TOKEN (STR_GEN_TOO_MANY), NULL);
> > > > +    goto Error;
> > > > +  }
> > > > +
> > > > +  if (ParamCount < MIN_PARAM_COUNT) {
> > > > +    PRINT_HII_APP (STRING_TOKEN (STR_GEN_TOO_FEW), NULL);
> > > > +    goto Error;
> > > > +  }
> > > > +
> > > > +  ZeroMem (&Context.HttpConfigData, sizeof
> (Context.HttpConfigData));
> > > > +  ZeroMem (&IPv4Node, sizeof (IPv4Node));
> > > > +  IPv4Node.UseDefaultAddress = TRUE;
> > > > +
> > > > +  Context.HttpConfigData.HttpVersion = HttpVersion11;
> > > > +  Context.HttpConfigData.AccessPoint.IPv4Node = &IPv4Node;
> > > > +
> > > > +  //
> > > > +  // Get the host address (not necessarily IPv4 format)
> > > > +  //
> > > > +  ValueStr = ShellCommandLineGetRawValue (CheckPackage, 1);
> > > > +  if (!ValueStr) {
> > > > +    PRINT_HII_APP (STRING_TOKEN (STR_GEN_PARAM_INV),
> ValueStr);
> > > > +    goto Error;
> > > > +  } else {
> > > > +    StartSize = 0;
> > > > +    TrimSpaces ((CHAR16 *)ValueStr);
> > > > +    if (!StrStr (ValueStr, L"://")) {
> > > > +      Context.ServerAddrAndProto = StrnCatGrow (
> > > > +
> &Context.ServerAddrAndProto,
> > > > +                                     &StartSize,
> > > > +                                     DEFAULT_HTTP_PROTO,
> > > > +                                     StrLen
> (DEFAULT_HTTP_PROTO)
> > > > +                                     );
> > > > +      Context.ServerAddrAndProto = StrnCatGrow (
> > > > +
> &Context.ServerAddrAndProto,
> > > > +                                     &StartSize,
> > > > +                                     L"://",
> > > > +                                     StrLen (L"://")
> > > > +                                     );
> > > > +      VStr = (CHAR16 *)ValueStr;
> > > > +    } else {
> > > > +      VStr = StrStr (ValueStr, L"://") + StrLen (L"://");
> > > > +    }
> > > > +
> > > > +    for (Walker1 = VStr; *Walker1; Walker1++) {
> > > > +      if (*Walker1 == L'/') {
> > > > +        break;
> > > > +      }
> > > > +    }
> > > > +
> > > > +    if (*Walker1 == L'/') {
> > > > +      ParamOffset = 1;
> > > > +      RemoteFilePath = Walker1;
> > > > +    }
> > > > +
> > > > +    Context.ServerAddrAndProto = StrnCatGrow (
> > > > +
> &Context.ServerAddrAndProto,
> > > > +                                   &StartSize,
> > > > +                                   ValueStr,
> > > > +                                   StrLen (ValueStr) - StrLen
> > (Walker1)
> > > > +                                   );
> > > > +    if (!Context.ServerAddrAndProto) {
> > > > +      Status = EFI_OUT_OF_RESOURCES;
> > > > +      goto Error;
> > > > +    }
> > > > +  }
> > > > +
> > > > +  if (!RemoteFilePath) {
> > > > +    RemoteFilePath = ShellCommandLineGetRawValue
> (CheckPackage, 2);
> > > > +    if (!RemoteFilePath) {
> > > > +      // If no path given, assume just "/"
> > > > +      RemoteFilePath = L"/";
> > > > +    }
> > > > +  }
> > > > +
> > > > +  TrimSpaces ((CHAR16 *)RemoteFilePath);
> > > > +
> > > > +  if (ParamCount == MAX_PARAM_COUNT - ParamOffset) {
> > > > +    mLocalFilePath = ShellCommandLineGetRawValue (
> > > > +                       CheckPackage,
> > > > +                       MAX_PARAM_COUNT - 1 - ParamOffset
> > > > +                       );
> > > > +  } else {
> > > > +    Walker = RemoteFilePath + StrLen (RemoteFilePath);
> > > > +    while ((--Walker) >= RemoteFilePath) {
> > > > +      if ((*Walker == L'\\') ||
> > > > +          (*Walker == L'/' )    ) {
> > > > +        break;
> > > > +      }
> > > > +    }
> > > > +
> > > > +    mLocalFilePath = Walker + 1;
> > > > +  }
> > > > +
> > > > +  if (!StrLen (mLocalFilePath)) {
> > > > +    mLocalFilePath = DEFAULT_HTML_FILE;
> > > > +  }
> > > > +
> > > > +  InitialSize = 0;
> > > > +  Context.URI = StrnCatGrow (
> > > > +                  &Context.URI,
> > > > +                  &InitialSize,
> > > > +                  RemoteFilePath,
> > > > +                  StrLen (RemoteFilePath)
> > > > +                  );
> > > > +  if (!Context.URI) {
> > > > +    Status = EFI_OUT_OF_RESOURCES;
> > > > +    goto Error;
> > > > +  }
> > > > +
> > > > +  //
> > > > +  // Get the name of the Network Interface Card to be used if any.
> > > > +  //
> > > > +  UserNicName = ShellCommandLineGetValue (CheckPackage, L"-i");
> > > > +
> > > > +  ValueStr = ShellCommandLineGetValue (CheckPackage, L"-l");
> > > > +  if ((ValueStr != NULL)
> > > > +   && (!StringToUint16 (
> > > > +          ValueStr,
> > > > +
> &Context.HttpConfigData.AccessPoint.IPv4Node->LocalPort
> > > > +          )
> > > > +      ))
> > > > +  {
> > > > +    goto Error;
> > > > +  }
> > > > +
> > > > +  Context.BufferSize = DEFAULT_BUF_SIZE;
> > > > +
> > > > +  ValueStr = ShellCommandLineGetValue (CheckPackage, L"-s");
> > > > +  if (ValueStr != NULL) {
> > > > +    Context.BufferSize = ShellStrToUintn (ValueStr);
> > > > +    if (!Context.BufferSize || Context.BufferSize > MAX_BUF_SIZE) {
> > > > +      PRINT_HII_APP (STRING_TOKEN (STR_GEN_PARAM_INV),
> ValueStr);
> > > > +      goto Error;
> > > > +    }
> > > > +  }
> > > > +
> > > > +  ValueStr = ShellCommandLineGetValue (CheckPackage, L"-t");
> > > > +  if (ValueStr != NULL) {
> > > > +    Context.HttpConfigData.TimeOutMillisec =
> (UINT32)ShellStrToUintn
> > > > (ValueStr);
> > > > +  }
> > > > +
> > > > +  //
> > > > +  // Locate all HTTP Service Binding protocols
> > > > +  //
> > > > +  Status = gBS->LocateHandleBuffer (
> > > > +                  ByProtocol,
> > > > +
> &gEfiManagedNetworkServiceBindingProtocolGuid,
> > > > +                  NULL,
> > > > +                  &HandleCount,
> > > > +                  &Handles
> > > > +                  );
> > > > +  if (EFI_ERROR (Status) || (HandleCount == 0)) {
> > > > +    PRINT_HII (STRING_TOKEN (STR_HTTP_ERR_NO_NIC), NULL);
> > > > +    if (!EFI_ERROR (Status)) {
> > > > +      Status = EFI_NOT_FOUND;
> > > > +    }
> > > > +
> > > > +    goto Error;
> > > > +  }
> > > > +
> > > > +  Status = EFI_NOT_FOUND;
> > > > +
> > > > +  Context.Flags = 0;
> > > > +  if (ShellCommandLineGetFlag (CheckPackage, L"-m")) {
> > > > +    Context.Flags |= DL_FLAG_TIME;
> > > > +  }
> > > > +
> > > > +  if (ShellCommandLineGetFlag (CheckPackage, L"-k")) {
> > > > +    Context.Flags |= DL_FLAG_KEEP_BAD;
> > > > +  }
> > > > +
> > > > +  for (NicNumber = 0;
> > > > +       (NicNumber < HandleCount) && (Status != EFI_SUCCESS);
> > > > +       NicNumber++)
> > > > +  {
> > > > +    ControllerHandle = Handles[NicNumber];
> > > > +
> > > > +    Status = GetNicName (ControllerHandle, NicNumber, NicName);
> > > > +    if (EFI_ERROR (Status)) {
> > > > +      PRINT_HII (STRING_TOKEN (STR_HTTP_ERR_NIC_NAME),
> NicNumber,
> > > > Status);
> > > > +      continue;
> > > > +    }
> > > > +
> > > > +    if (UserNicName != NULL) {
> > > > +      if (StrCmp (NicName, UserNicName) != 0) {
> > > > +        Status = EFI_NOT_FOUND;
> > > > +        continue;
> > > > +      }
> > > > +
> > > > +      NicFound = TRUE;
> > > > +    }
> > > > +
> > > > +    Status = DownloadFile (&Context, ControllerHandle, NicName);
> > > > +    PRINT_HII (STRING_TOKEN (STR_GEN_CRLF), NULL);
> > > > +
> > > > +    if (EFI_ERROR (Status)) {
> > > > +      PRINT_HII (
> > > > +        STRING_TOKEN (STR_HTTP_ERR_DOWNLOAD),
> > > > +        RemoteFilePath,
> > > > +        NicName,
> > > > +        Status
> > > > +        );
> > > > +      // If a user aborted the operation, do not try another
> > controller.
> > > > +      if (Status == EFI_ABORTED) {
> > > > +        goto Error;
> > > > +      }
> > > > +    }
> > > > +
> > > > +    if (gHttpError) {
> > > > +     //
> > > > +     // This is not related to connection, so no need to repeat with
> > > > +     // another interface.
> > > > +     //
> > > > +      break;
> > > > +    }
> > > > +  }
> > > > +
> > > > +  if ((UserNicName != NULL) && (!NicFound)) {
> > > > +    PRINT_HII (STRING_TOKEN (STR_HTTP_ERR_NIC_NOT_FOUND),
> > > > UserNicName);
> > > > +  }
> > > > +
> > > > +Error:
> > > > +  ShellCommandLineFreeVarList (CheckPackage);
> > > > +  SHELL_FREE_NON_NULL (Handles);
> > > > +  SHELL_FREE_NON_NULL (Context.ServerAddrAndProto);
> > > > +  SHELL_FREE_NON_NULL (Context.URI);
> > > > +
> > > > +  return Status & ~MAX_BIT;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Check and convert the UINT16 option values of the 'http' command
> > > > +
> > > > +  @param[in]  ValueStr  Value as an Unicode encoded string
> > > > +  @param[out] Value     UINT16 value
> > > > +
> > > > +  @return     TRUE      The value was returned.
> > > > +  @return     FALSE     A parsing error occured.
> > > > +**/
> > > > +STATIC
> > > > +BOOLEAN
> > > > +StringToUint16 (
> > > > +  IN   CONST CHAR16  *ValueStr,
> > > > +  OUT  UINT16        *Value
> > > > +  )
> > > > +{
> > > > +  UINTN  Val;
> > > > +
> > > > +  Val = ShellStrToUintn (ValueStr);
> > > > +  if (Val > MAX_UINT16) {
> > > > +    PRINT_HII_APP (STRING_TOKEN (STR_GEN_PARAM_INV),
> ValueStr);
> > > > +    return FALSE;
> > > > +  }
> > > > +
> > > > +  *Value = (UINT16)Val;
> > > > +  return TRUE;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Get the name of the NIC.
> > > > +
> > > > +  @param[in]   ControllerHandle  The network physical device
> handle.
> > > > +  @param[in]   NicNumber         The network physical device
> number.
> > > > +  @param[out]  NicName           Address where to store the
> NIC name.
> > > > +                                 The memory area has to be at
> least
> > > > +
> > IP4_CONFIG2_INTERFACE_INFO_NAME_LENGTH
> > > > +                                 double byte wide.
> > > > +
> > > > +  @return  EFI_SUCCESS  The name of the NIC was returned.
> > > > +  @return  Others       The creation of the child for the Managed
> > > > +                        Network Service failed or the opening of
> > > > +                        the Managed Network Protocol failed or
> > > > +                        the operational parameters for the
> > > > +                        Managed Network Protocol could not be
> > > > +                        read.
> > > > +**/
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +GetNicName (
> > > > +  IN   EFI_HANDLE  ControllerHandle,
> > > > +  IN   UINTN       NicNumber,
> > > > +  OUT  CHAR16      *NicName
> > > > +  )
> > > > +{
> > > > +  EFI_STATUS                    Status;
> > > > +  EFI_HANDLE                    MnpHandle;
> > > > +  EFI_MANAGED_NETWORK_PROTOCOL  *Mnp;
> > > > +  EFI_SIMPLE_NETWORK_MODE       SnpMode;
> > > > +
> > > > +  Status = CreateServiceChildAndOpenProtocol (
> > > > +             ControllerHandle,
> > > > +             &gEfiManagedNetworkServiceBindingProtocolGuid,
> > > > +             &gEfiManagedNetworkProtocolGuid,
> > > > +             &MnpHandle,
> > > > +             (VOID**)&Mnp
> > > > +             );
> > > > +  if (EFI_ERROR (Status)) {
> > > > +    goto Error;
> > > > +  }
> > > > +
> > > > +  Status = Mnp->GetModeData (Mnp, NULL, &SnpMode);
> > > > +  if (EFI_ERROR (Status) && (Status != EFI_NOT_STARTED)) {
> > > > +    goto Error;
> > > > +  }
> > > > +
> > > > +  UnicodeSPrint (
> > > > +    NicName,
> > > > +    IP4_CONFIG2_INTERFACE_INFO_NAME_LENGTH,
> > > > +    SnpMode.IfType == NET_IFTYPE_ETHERNET ? L"eth%d" :
> L"unk%d",
> > > > +    NicNumber
> > > > +    );
> > > > +
> > > > +  Status = EFI_SUCCESS;
> > > > +
> > > > +Error:
> > > > +
> > > > +  if (MnpHandle != NULL) {
> > > > +    CloseProtocolAndDestroyServiceChild (
> > > > +      ControllerHandle,
> > > > +      &gEfiManagedNetworkServiceBindingProtocolGuid,
> > > > +      &gEfiManagedNetworkProtocolGuid,
> > > > +      MnpHandle
> > > > +      );
> > > > +  }
> > > > +
> > > > +  return Status;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Create a child for the service identified by its service binding
> > protocol
> > > GUID
> > > > +  and get from the child the interface of the protocol identified by
> > its
> > > GUID.
> > > > +
> > > > +  @param[in]   ControllerHandle            Controller handle.
> > > > +  @param[in]   ServiceBindingProtocolGuid  Service binding
> protocol
> > GUID
> > > of the
> > > > +                                           service to be
> created.
> > > > +  @param[in]   ProtocolGuid                GUID of the
> protocol to be
> > open.
> > > > +  @param[out]  ChildHandle                 Address where the
> handler
> > of the
> > > > +                                           created child is
> returned.
> > NULL is
> > > > +                                           returned in case
> of error.
> > > > +  @param[out]  Interface                   Address where a
> pointer to
> > the
> > > > +                                           protocol
> interface is
> > returned in
> > > > +                                           case of success.
> > > > +
> > > > +  @return  EFI_SUCCESS  The child was created and the protocol
> > opened.
> > > > +  @return  Others       Either the creation of the child or the
> > opening
> > > > +                        of the protocol failed.
> > > > +**/
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +CreateServiceChildAndOpenProtocol (
> > > > +  IN   EFI_HANDLE  ControllerHandle,
> > > > +  IN   EFI_GUID    *ServiceBindingProtocolGuid,
> > > > +  IN   EFI_GUID    *ProtocolGuid,
> > > > +  OUT  EFI_HANDLE  *ChildHandle,
> > > > +  OUT  VOID        **Interface
> > > > +  )
> > > > +{
> > > > +  EFI_STATUS  Status;
> > > > +
> > > > +  *ChildHandle = NULL;
> > > > +  Status = NetLibCreateServiceChild (
> > > > +             ControllerHandle,
> > > > +             gImageHandle,
> > > > +             ServiceBindingProtocolGuid,
> > > > +             ChildHandle
> > > > +             );
> > > > +  if (!EFI_ERROR (Status)) {
> > > > +    Status = gBS->OpenProtocol (
> > > > +                    *ChildHandle,
> > > > +                    ProtocolGuid,
> > > > +                    Interface,
> > > > +                    gImageHandle,
> > > > +                    ControllerHandle,
> > > > +                    EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > > > +                    );
> > > > +    if (EFI_ERROR (Status)) {
> > > > +      NetLibDestroyServiceChild (
> > > > +        ControllerHandle,
> > > > +        gImageHandle,
> > > > +        ServiceBindingProtocolGuid,
> > > > +        *ChildHandle
> > > > +        );
> > > > +      *ChildHandle = NULL;
> > > > +    }
> > > > +  }
> > > > +
> > > > +  return Status;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Close the protocol identified by its GUID on the child handle of
> > the
> > > service
> > > > +  identified by its service binding protocol GUID, then destroy the
> > child
> > > > +  handle.
> > > > +
> > > > +  @param[in]  ControllerHandle            Controller handle.
> > > > +  @param[in]  ServiceBindingProtocolGuid  Service binding protocol
> > GUID
> > > of the
> > > > +                                          service to be
> destroyed.
> > > > +  @param[in]  ProtocolGuid                GUID of the protocol
> to be
> > closed.
> > > > +  @param[in]  ChildHandle                 Handle of the child
> to be
> > destroyed.
> > > > +
> > > > +**/
> > > > +STATIC
> > > > +VOID
> > > > +CloseProtocolAndDestroyServiceChild (
> > > > +  IN  EFI_HANDLE  ControllerHandle,
> > > > +  IN  EFI_GUID    *ServiceBindingProtocolGuid,
> > > > +  IN  EFI_GUID    *ProtocolGuid,
> > > > +  IN  EFI_HANDLE  ChildHandle
> > > > +  )
> > > > +{
> > > > +  gBS->CloseProtocol (
> > > > +         ChildHandle,
> > > > +         ProtocolGuid,
> > > > +         gImageHandle,
> > > > +         ControllerHandle
> > > > +         );
> > > > +
> > > > +  NetLibDestroyServiceChild (
> > > > +    ControllerHandle,
> > > > +    gImageHandle,
> > > > +    ServiceBindingProtocolGuid,
> > > > +    ChildHandle
> > > > +    );
> > > > +}
> > > > +
> > > > +/**
> > > > +  Wait until operation completes. Completion is indicated by
> > > > +  setting of an appropriate variable.
> > > > +
> > > > +  @param[in]   Context             A pointer to the HTTP
> download
> > context.
> > > > +  @param[in]   CallBackComplete    A pointer to the callback
> > completion
> > > > +                                   variable set by the
> callback.
> > > > +
> > > > +  @return  EFI_SUCCESS             Callback signalled
> completion.
> > > > +  @return  EFI_TIMEOUT             Timed out waiting for
> completion.
> > > > +  @return  Others                  Error waiting for
> completion.
> > > > +**/
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +WaitForCompletion (
> > > > +  IN HTTP_DOWNLOAD_CONTEXT  *Context,
> > > > +  IN OUT BOOLEAN            *CallBackComplete
> > > > +  )
> > > > +{
> > > > +  EFI_STATUS                Status;
> > > > +  EFI_EVENT                 WaitEvt;
> > > > +
> > > > +  Status = EFI_SUCCESS;
> > > > +
> > > > +  // Use a timer to measure timeout. Cannot use Stall here!
> > > > +  Status = gBS->CreateEvent (
> > > > +                  EVT_TIMER,
> > > > +                  TPL_CALLBACK,
> > > > +                  NULL,
> > > > +                  NULL,
> > > > +                  &WaitEvt
> > > > +                  );
> > > > +   ASSERT_EFI_ERROR (Status);
> > > > +
> > > > +   if (!EFI_ERROR (Status)) {
> > > > +     Status = gBS->SetTimer (
> > > > +                     WaitEvt,
> > > > +                     TimerRelative,
> > > > +                     EFI_TIMER_PERIOD_SECONDS
> (TIMER_MAX_TIMEOUT_S)
> > > > +                     );
> > > > +
> > > > +     ASSERT_EFI_ERROR (Status);
> > > > +   }
> > > > +
> > > > +  while (! *CallBackComplete
> > > > +      && (!EFI_ERROR (Status))
> > > > +      && EFI_ERROR (gBS->CheckEvent (WaitEvt)))
> > > > +  {
> > > > +    Status = Context->Http->Poll (Context->Http);
> > > > +    if (!Context->ContentDownloaded
> > > > +     && CallBackComplete == &gResponseCallbackComplete)
> > > > +    {
> > > > +      //
> > > > +      // An HTTP server may just send a response redirection header.
> > > > +      // In this case, don't wait for the event as
> > > > +      // it might never happen and we waste 10s waiting.
> > > > +      // Note that at this point Response may not has been populated,
> > > > +      // so it needs to be checked first.
> > > > +      //
> > > > +      if (Context->ResponseToken.Message
> > > > +       && Context->ResponseToken.Message->Data.Response
> > > > +       && (NEED_REDIRECTION (
> > > > +
> Context->ResponseToken.Message->Data.Response->StatusCode
> > > > +            )
> > > > +         ))
> > > > +      {
> > > > +        break;
> > > > +      }
> > > > +    }
> > > > +  }
> > > > +
> > > > +  gBS->SetTimer (WaitEvt, TimerCancel, 0);
> > > > +  gBS->CloseEvent (WaitEvt);
> > > > +
> > > > +  if (*CallBackComplete) {
> > > > +    return EFI_SUCCESS;
> > > > +  }
> > > > +
> > > > +  if (!EFI_ERROR (Status)) {
> > > > +    Status = EFI_TIMEOUT;
> > > > +  }
> > > > +
> > > > +  return Status;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Generate and send a request to the http server.
> > > > +
> > > > +  @param[in]   Context           HTTP download context.
> > > > +  @param[in]   DownloadUrl       Fully qualified URL to be
> > downloaded.
> > > > +
> > > > +  @return EFI_SUCCESS            Request has been sent
> successfully.
> > > > +  @return EFI_INVALID_PARAMETER  Invalid URL.
> > > > +  @return EFI_OUT_OF_RESOURCES   Out of memory.
> > > > +  @return EFI_DEVICE_ERROR       If HTTPS is used, this probably
> > > > +                                 means that TLS support either
> was
> > not
> > > > +                                 installed or not configured.
> > > > +  @return Others                 Error sending the request.
> > > > +**/
> > > > +
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +SendRequest (
> > > > +  IN HTTP_DOWNLOAD_CONTEXT  *Context,
> > > > +  IN CHAR16                 *DownloadUrl
> > > > +  )
> > > > +{
> > > > +    EFI_HTTP_REQUEST_DATA       RequestData;
> > > > +    EFI_HTTP_HEADER             RequestHeader[HDR_MAX];
> > > > +    EFI_HTTP_MESSAGE            RequestMessage;
> > > > +    EFI_STATUS                  Status;
> > > > +    CHAR16                      *Host;
> > > > +    UINTN                       StringSize;
> > > > +
> > > > +    ZeroMem (&RequestData, sizeof (RequestData));
> > > > +    ZeroMem (&RequestHeader, sizeof (RequestHeader));
> > > > +    ZeroMem (&RequestMessage, sizeof (RequestMessage));
> > > > +    ZeroMem (&Context->RequestToken, sizeof (Context-
> > > >RequestToken));
> > > > +
> > > > +    RequestHeader[HDR_HOST].FieldName = "Host";
> > > > +    RequestHeader[HDR_CONN].FieldName = "Connection";
> > > > +    RequestHeader[HDR_AGENT].FieldName = "User-Agent";
> > > > +
> > > > +    Host = (CHAR16 *)Context->ServerAddrAndProto;
> > > > +    while (*Host != CHAR_NULL && *Host != L'/') {
> > > > +      Host++;
> > > > +    }
> > > > +
> > > > +    if (*Host == CHAR_NULL) {
> > > > +      return EFI_INVALID_PARAMETER;
> > > > +    }
> > > > +
> > > > +    //
> > > > +    // Get the next slash
> > > > +    //
> > > > +    Host++;
> > > > +    //
> > > > +    // And now the host name
> > > > +    //
> > > > +    Host++;
> > > > +
> > > > +    StringSize = StrLen (Host) + 1;
> > > > +    RequestHeader[HDR_HOST].FieldValue = AllocatePool (StringSize);
> > > > +    if (!RequestHeader[HDR_HOST].FieldValue) {
> > > > +      return EFI_OUT_OF_RESOURCES;
> > > > +    }
> > > > +
> > > > +    UnicodeStrToAsciiStrS (
> > > > +      Host,
> > > > +      RequestHeader[HDR_HOST].FieldValue,
> > > > +      StringSize
> > > > +      );
> > > > +
> > > > +    RequestHeader[HDR_CONN].FieldValue = "close";
> > > > +    RequestHeader[HDR_AGENT].FieldValue = USER_AGENT_HDR;
> > > > +    RequestMessage.HeaderCount = HDR_MAX;
> > > > +
> > > > +    RequestData.Method = HttpMethodGet;
> > > > +    RequestData.Url = DownloadUrl;
> > > > +
> > > > +    RequestMessage.Data.Request = &RequestData;
> > > > +    RequestMessage.Headers = RequestHeader;
> > > > +    RequestMessage.BodyLength = 0;
> > > > +    RequestMessage.Body = NULL;
> > > > +    Context->RequestToken.Event = NULL;
> > > > +
> > > > +    //
> > > > +    // Completion callback event to be set when Request completes.
> > > > +    //
> > > > +    Status = gBS->CreateEvent (
> > > > +                    EVT_NOTIFY_SIGNAL,
> > > > +                    TPL_CALLBACK,
> > > > +                    RequestCallback,
> > > > +                    Context,
> > > > +                    &Context->RequestToken.Event
> > > > +                    );
> > > > +    ASSERT_EFI_ERROR (Status);
> > > > +
> > > > +    Context->RequestToken.Status = EFI_SUCCESS;
> > > > +    Context->RequestToken.Message = &RequestMessage;
> > > > +    gRequestCallbackComplete = FALSE;
> > > > +    Status = Context->Http->Request (Context->Http, &Context-
> > > >RequestToken);
> > > > +    if (EFI_ERROR (Status)) {
> > > > +      goto Error;
> > > > +    }
> > > > +
> > > > +    Status = WaitForCompletion (Context,
> &gRequestCallbackComplete);
> > > > +    if (EFI_ERROR (Status)) {
> > > > +      Context->Http->Cancel (Context->Http,
> &Context->RequestToken);
> > > > +    }
> > > > +
> > > > +Error:
> > > > +    SHELL_FREE_NON_NULL
> (RequestHeader[HDR_HOST].FieldValue);
> > > > +    if (Context->RequestToken.Event) {
> > > > +      gBS->CloseEvent (Context->RequestToken.Event);
> > > > +      ZeroMem (&Context->RequestToken, sizeof (Context-
> > > >RequestToken));
> > > > +    }
> > > > +
> > > > +    return Status;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Update the progress of a file download
> > > > +  This procedure is called each time a new HTTP body portion is
> > received.
> > > > +
> > > > +  @param[in]  Context      HTTP download context.
> > > > +  @param[in]  DownloadLen  Portion size, in bytes.
> > > > +  @param[in]  Buffer       The pointer to the parsed buffer.
> > > > +
> > > > +  @retval  EFI_SUCCESS     Portion saved.
> > > > +  @retval  Other           Error saving the portion.
> > > > +
> > > > +**/
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +EFIAPI
> > > > +SavePortion (
> > > > +  IN HTTP_DOWNLOAD_CONTEXT  *Context,
> > > > +  IN UINTN                  DownloadLen,
> > > > +  IN CHAR8                  *Buffer
> > > > +  )
> > > > +{
> > > > +  CHAR16            Progress[HTTP_PROGRESS_MESSAGE_SIZE];
> > > > +  UINTN             NbOfKb;
> > > > +  UINTN             Index;
> > > > +  UINTN             LastStep;
> > > > +  UINTN             Step;
> > > > +  EFI_STATUS        Status;
> > > > +
> > > > +  LastStep = 0;
> > > > +  Step = 0;
> > > > +
> > > > +  ShellSetFilePosition (mFileHandle,
> Context->LastReportedNbOfBytes);
> > > > +  Status = ShellWriteFile (mFileHandle, &DownloadLen, Buffer);
> > > > +  if (EFI_ERROR (Status)) {
> > > > +    if (Context->ContentDownloaded > 0) {
> > > > +      PRINT_HII (STRING_TOKEN (STR_GEN_CRLF), NULL);
> > > > +    }
> > > > +
> > > > +    PRINT_HII (STRING_TOKEN (STR_HTTP_ERR_WRITE),
> mLocalFilePath,
> > > Status);
> > > > +    return Status;
> > > > +  }
> > > > +
> > > > +  if (Context->ContentDownloaded == 0) {
> > > > +    ShellPrintEx (-1, -1, L"%s       0 Kb", HTTP_PROGR_FRAME);
> > > > +  }
> > > > +
> > > > +  Context->ContentDownloaded += DownloadLen;
> > > > +  NbOfKb = Context->ContentDownloaded >> 10;
> > > > +
> > > > +  Progress[0] = L'\0';
> > > > +  if (Context->ContentLength) {
> > > > +    LastStep  = (Context->LastReportedNbOfBytes *
> > > > HTTP_PROGRESS_SLIDER_STEPS) /
> > > > +                 Context->ContentLength;
> > > > +    Step      = (Context->ContentDownloaded *
> > > HTTP_PROGRESS_SLIDER_STEPS) /
> > > > +                 Context->ContentLength;
> > > > +  }
> > > > +
> > > > +  Context->LastReportedNbOfBytes = Context->ContentDownloaded;
> > > > +
> > > > +  if (Step <= LastStep) {
> > > > +    if (!Context->ContentLength) {
> > > > +      //
> > > > +      // Update downloaded size, there is no length info available.
> > > > +      //
> > > > +      ShellPrintEx (-1, -1, L"%s", HTTP_KB);
> > > > +      ShellPrintEx (-1, -1, L"%7d Kb", NbOfKb);
> > > > +    }
> > > > +
> > > > +    return EFI_SUCCESS;
> > > > +  }
> > > > +
> > > > +  ShellPrintEx (-1, -1, L"%s", HTTP_PROGRESS_DEL);
> > > > +
> > > > +  Status = StrCpyS (Progress, HTTP_PROGRESS_MESSAGE_SIZE,
> > > > HTTP_PROGR_FRAME);
> > > > +  if (EFI_ERROR (Status)) {
> > > > +    return Status;
> > > > +  }
> > > > +
> > > > +  for (Index = 1; Index < Step; Index++) {
> > > > +    Progress[Index] = L'=';
> > > > +  }
> > > > +
> > > > +  if (Step) {
> > > > +    Progress[Step] = L'>';
> > > > +  }
> > > > +
> > > > +  UnicodeSPrint (
> > > > +    Progress + (sizeof (HTTP_PROGR_FRAME) / sizeof (CHAR16)) - 1,
> > > > +    sizeof (Progress) - sizeof (HTTP_PROGR_FRAME),
> > > > +    L" %7d Kb",
> > > > +    NbOfKb
> > > > +    );
> > > > +
> > > > +
> > > > +  ShellPrintEx (-1, -1, L"%s", Progress);
> > > > +
> > > > +  return EFI_SUCCESS;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Replace the original Host and URI with Host and URI returned by the
> > > > +  HTTP server in 'Location' header (redirection).
> > > > +
> > > > +  @param[in]   Location           A pointer to the 'Location'
> string
> > > > +                                  provided by HTTP server.
> > > > +  @param[in]   Context            A pointer to HTTP download
> context.
> > > > +  @param[in]   DownloadUrl        Fully qualified HTTP URL.
> > > > +
> > > > +  @return  EFI_SUCCESS            Host and URI were
> successfully set.
> > > > +  @return  EFI_OUT_OF_RESOURCES   Error setting Host or URI.
> > > > +**/
> > > > +
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +SetHostURI (
> > > > +  IN CHAR8                 *Location,
> > > > +  IN HTTP_DOWNLOAD_CONTEXT *Context,
> > > > +  IN CHAR16                *DownloadUrl
> > > > +  )
> > > > +{
> > > > +  EFI_STATUS    Status;
> > > > +  UINTN         StringSize;
> > > > +  UINTN         FirstStep;
> > > > +  UINTN         Idx;
> > > > +  UINTN         Step;
> > > > +  CHAR8         *Walker;
> > > > +  CHAR16        *Temp;
> > > > +  CHAR8         *Tmp;
> > > > +  CHAR16        *Url;
> > > > +  BOOLEAN       IsAbEmptyUrl;
> > > > +
> > > > +  Tmp = NULL;
> > > > +  Url = NULL;
> > > > +  IsAbEmptyUrl = FALSE;
> > > > +  FirstStep = 0;
> > > > +
> > > > +  StringSize = (AsciiStrSize (Location) * sizeof (CHAR16));
> > > > +  Url = AllocateZeroPool (StringSize);
> > > > +  if (!Url) {
> > > > +    return EFI_OUT_OF_RESOURCES;
> > > > +  }
> > > > +
> > > > +  Status = AsciiStrToUnicodeStrS (
> > > > +             (CONST CHAR8 *)Location,
> > > > +             Url,
> > > > +             StringSize
> > > > +             );
> > > > +
> > > > +  if (EFI_ERROR (Status)) {
> > > > +        goto Error;
> > > > +  }
> > > > +
> > > > +  //
> > > > +  // If an HTTP server redirects to the same location more than once,
> > > > +  // then stop attempts and tell it is not reachable.
> > > > +  //
> > > > +  if (!StrCmp (Url, DownloadUrl)) {
> > > > +    Status = EFI_NO_MAPPING;
> > > > +    goto Error;
> > > > +  }
> > > > +
> > > > +  if (AsciiStrLen (Location) > 2) {
> > > > +    // Some servers return 'Location: //server/resource'
> > > > +    IsAbEmptyUrl = (Location[0] == '/') && (Location[1] == '/');
> > > > +    if (IsAbEmptyUrl) {
> > > > +      // Skip first "//"
> > > > +      Location += 2;
> > > > +      FirstStep = 1;
> > > > +    }
> > > > +  }
> > > > +
> > > > +  if (AsciiStrStr (Location, "://") || IsAbEmptyUrl) {
> > > > +    Idx = 0;
> > > > +    Walker = Location;
> > > > +
> > > > +    for (Step = FirstStep; Step < 2; Step++) {
> > > > +      for (; *Walker != '/' && *Walker != '\0'; Walker++) {
> > > > +        Idx++;
> > > > +      }
> > > > +
> > > > +      if (!Step) {
> > > > +        //
> > > > +        // Skip "//"
> > > > +        //
> > > > +        Idx += 2;
> > > > +        Walker += 2;
> > > > +      }
> > > > +    }
> > > > +
> > > > +    Tmp = AllocateZeroPool (Idx + 1);
> > > > +    if (!Tmp) {
> > > > +      Status = EFI_OUT_OF_RESOURCES;
> > > > +      goto Error;
> > > > +    }
> > > > +
> > > > +    CopyMem (Tmp, Location, Idx);
> > > > +
> > > > +    //
> > > > +    // Location now points to URI
> > > > +    //
> > > > +    Location += Idx;
> > > > +    StringSize = (Idx + 1) * sizeof (CHAR16);
> > > > +
> > > > +    SHELL_FREE_NON_NULL (Context->ServerAddrAndProto);
> > > > +
> > > > +    Temp = AllocateZeroPool (StringSize);
> > > > +    if (!Temp) {
> > > > +      Status = EFI_OUT_OF_RESOURCES;
> > > > +      goto Error;
> > > > +    }
> > > > +
> > > > +    Status = AsciiStrToUnicodeStrS (
> > > > +               (CONST CHAR8 *)Tmp,
> > > > +               Temp,
> > > > +               StringSize
> > > > +               );
> > > > +    if (EFI_ERROR (Status)) {
> > > > +      SHELL_FREE_NON_NULL (Temp);
> > > > +      goto Error;
> > > > +    }
> > > > +
> > > > +    Idx = 0;
> > > > +    if (IsAbEmptyUrl) {
> > > > +      Context->ServerAddrAndProto = StrnCatGrow (
> > > > +
> &Context->ServerAddrAndProto,
> > > > +                                      &Idx,
> > > > +                                      L"http://",
> > > > +                                      StrLen (L"http://")
> > > > +                                      );
> > > > +    }
> > > > +
> > > > +    Context->ServerAddrAndProto = StrnCatGrow (
> > > > +
> &Context->ServerAddrAndProto,
> > > > +                                    &Idx,
> > > > +                                    Temp,
> > > > +                                    StrLen (Temp)
> > > > +                                    );
> > > > +    SHELL_FREE_NON_NULL (Temp);
> > > > +    if (!Context->ServerAddrAndProto) {
> > > > +      Status = EFI_OUT_OF_RESOURCES;
> > > > +      goto Error;
> > > > +    }
> > > > +  }
> > > > +
> > > > +  SHELL_FREE_NON_NULL (Context->URI);
> > > > +
> > > > +  StringSize = AsciiStrSize (Location) * sizeof (CHAR16);
> > > > +  Context->URI = AllocateZeroPool (StringSize);
> > > > +  if (!Context->URI) {
> > > > +    Status = EFI_OUT_OF_RESOURCES;
> > > > +    goto Error;
> > > > +  }
> > > > +
> > > > +  //
> > > > +  // Now make changes to the URI part.
> > > > +  //
> > > > +  Status = AsciiStrToUnicodeStrS (
> > > > +             (CONST CHAR8 *)Location,
> > > > +             Context->URI,
> > > > +             StringSize
> > > > +             );
> > > > +Error:
> > > > +  SHELL_FREE_NON_NULL (Tmp);
> > > > +  SHELL_FREE_NON_NULL (Url);
> > > > +
> > > > +  return Status;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Message parser callback.
> > > > +  Save a portion of HTTP body.
> > > > +
> > > > +  @param[in]   EventType       Type of event. Can be either
> > > > +                               OnComplete or OnData.
> > > > +  @param[in]   Data            A pointer to the buffer with data.
> > > > +  @param[in]   Length          Data length of this portion.
> > > > +  @param[in]   Context         A pointer to the HTTP download
> > context.
> > > > +
> > > > +  @return      EFI_SUCCESS    The portion was processed
> successfully.
> > > > +  @return      Other          Error returned by SavePortion.
> > > > +**/
> > > > +
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +EFIAPI
> > > > +ParseMsg (
> > > > +  IN HTTP_BODY_PARSE_EVENT      EventType,
> > > > +  IN CHAR8                      *Data,
> > > > +  IN UINTN                      Length,
> > > > +  IN VOID                       *Context
> > > > +  )
> > > > +{
> > > > +  if (!Data || (EventType == BodyParseEventOnComplete) || !Context)
> {
> > > > +    return EFI_SUCCESS;
> > > > +  }
> > > > +
> > > > +  return SavePortion (Context, Length, Data);
> > > > +}
> > > > +
> > > > +
> > > > +/**
> > > > +  Get HTTP server response and collect the whole body as a file.
> > > > +  Set appropriate status in Context (REQ_OK, REQ_REPEAT,
> REQ_ERROR).
> > > > +  Note that even if HTTP server returns an error code, it might send
> > > > +  the body as well. This body will be collected in the resultant
> > file.
> > > > +
> > > > +  @param[in]   Context         A pointer to the HTTP download
> > context.
> > > > +  @param[in]   DownloadedUrl   A pointer to the fully qualified
> URL
> > to
> > > download.
> > > > +
> > > > +  @return  EFI_SUCCESS         Valid file. Body successfully
> > collected.
> > > > +  @return  EFI_HTTP_ERROR      Response is a valid HTTP
> response, but
> > the
> > > > +                               HTTP server
> > > > +                               indicated an error (HTTP code >=
> 400).
> > > > +                               Response body MAY contain full
> > > > +                               HTTP server response.
> > > > +  @return Others               Error getting the reponse from the
> > HTTP server.
> > > > +                               Response body is not collected.
> > > > +**/
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +GetResponse (
> > > > +  IN HTTP_DOWNLOAD_CONTEXT    *Context,
> > > > +  IN CHAR16                   *DownloadUrl
> > > > +  )
> > > > +{
> > > > +  EFI_HTTP_RESPONSE_DATA      ResponseData;
> > > > +  EFI_HTTP_MESSAGE            ResponseMessage;
> > > > +  EFI_HTTP_HEADER             *Header;
> > > > +  EFI_STATUS                  Status;
> > > > +  VOID                        *MsgParser;
> > > > +  EFI_TIME                    StartTime;
> > > > +  EFI_TIME                    EndTime;
> > > > +  CONST CHAR16                *Desc;
> > > > +  UINTN                       ElapsedSeconds;
> > > > +  BOOLEAN                     IsTrunked;
> > > > +  BOOLEAN                     CanMeasureTime;
> > > > +
> > > > +  ZeroMem (&ResponseData, sizeof (ResponseData));
> > > > +  ZeroMem (&ResponseMessage, sizeof (ResponseMessage));
> > > > +  ZeroMem (&Context->ResponseToken, sizeof (Context-
> > > >ResponseToken));
> > > > +  IsTrunked = FALSE;
> > > > +
> > > > +  ResponseMessage.Body = Context->Buffer;
> > > > +  Context->ResponseToken.Status = EFI_SUCCESS;
> > > > +  Context->ResponseToken.Message = &ResponseMessage;
> > > > +  Context->ContentLength = 0;
> > > > +  Context->Status = REQ_OK;
> > > > +  MsgParser = NULL;
> > > > +  ResponseData.StatusCode = HTTP_STATUS_UNSUPPORTED_STATUS;
> > > > +  ResponseMessage.Data.Response = &ResponseData;
> > > > +  Context->ResponseToken.Event = NULL;
> > > > +  CanMeasureTime = FALSE;
> > > > +  if (Context->Flags & DL_FLAG_TIME) {
> > > > +    ZeroMem (&StartTime, sizeof (StartTime));
> > > > +    CanMeasureTime = !EFI_ERROR (gRT->GetTime (&StartTime,
> NULL));
> > > > +  }
> > > > +
> > > > +  do {
> > > > +    SHELL_FREE_NON_NULL (ResponseMessage.Headers);
> > > > +    ResponseMessage.HeaderCount = 0;
> > > > +    gResponseCallbackComplete = FALSE;
> > > > +    ResponseMessage.BodyLength = Context->BufferSize;
> > > > +
> > > > +    if (ShellGetExecutionBreakFlag ()) {
> > > > +      Status = EFI_ABORTED;
> > > > +      break;
> > > > +    }
> > > > +
> > > > +    if (!Context->ContentDownloaded && !Context-
> > > >ResponseToken.Event) {
> > > > +      Status = gBS->CreateEvent (
> > > > +                      EVT_NOTIFY_SIGNAL,
> > > > +                      TPL_CALLBACK,
> > > > +                      ResponseCallback,
> > > > +                      Context,
> > > > +                      &Context->ResponseToken.Event
> > > > +                      );
> > > > +      ASSERT_EFI_ERROR (Status);
> > > > +    } else {
> > > > +      ResponseMessage.Data.Response = NULL;
> > > > +    }
> > > > +
> > > > +    if (EFI_ERROR (Status)) {
> > > > +      break;
> > > > +    }
> > > > +
> > > > +    Status = Context->Http->Response (Context->Http, &Context-
> > > > >ResponseToken);
> > > > +    if (EFI_ERROR (Status)) {
> > > > +      break;
> > > > +    }
> > > > +
> > > > +    Status = WaitForCompletion (Context,
> &gResponseCallbackComplete);
> > > > +    if (EFI_ERROR (Status) && ResponseMessage.HeaderCount) {
> > > > +      Status = EFI_SUCCESS;
> > > > +    }
> > > > +
> > > > +    if (EFI_ERROR (Status)) {
> > > > +      Context->Http->Cancel (Context->Http,
> &Context->ResponseToken);
> > > > +      break;
> > > > +    }
> > > > +
> > > > +    if (!Context->ContentDownloaded) {
> > > > +      if (NEED_REDIRECTION (ResponseData.StatusCode)) {
> > > > +        //
> > > > +        // Need to repeat the request with new Location (server
> > redirected).
> > > > +        //
> > > > +        Context->Status = REQ_NEED_REPEAT;
> > > > +
> > > > +        Header = HttpFindHeader (
> > > > +                   ResponseMessage.HeaderCount,
> > > > +                   ResponseMessage.Headers,
> > > > +                   "Location"
> > > > +                   );
> > > > +        if (Header) {
> > > > +          Status = SetHostURI (Header->FieldValue, Context,
> > DownloadUrl);
> > > > +          if (Status == EFI_NO_MAPPING) {
> > > > +            PRINT_HII (
> > > > +              STRING_TOKEN (STR_HTTP_ERR_STATUSCODE),
> > > > +              Context->ServerAddrAndProto,
> > > > +              L"Recursive HTTP server relocation",
> > > > +              Context->URI
> > > > +              );
> > > > +          }
> > > > +        } else {
> > > > +          //
> > > > +          // Bad reply from the server. Server must specify the
> > location.
> > > > +          // Indicate that resource was not found, and no body
> > collected.
> > > > +          //
> > > > +          Status = EFI_NOT_FOUND;
> > > > +        }
> > > > +
> > > > +        Context->Http->Cancel (Context->Http,
> > &Context->ResponseToken);
> > > > +        break;
> > > > +      }
> > > > +
> > > > +      //
> > > > +      // Init message-body parser by header information.
> > > > +      //
> > > > +      if (!MsgParser) {
> > > > +        Status = HttpInitMsgParser (
> > > > +                   ResponseMessage.Data.Request->Method,
> > > > +                   ResponseData.StatusCode,
> > > > +                   ResponseMessage.HeaderCount,
> > > > +                   ResponseMessage.Headers,
> > > > +                   ParseMsg,
> > > > +                   Context,
> > > > +                   &MsgParser
> > > > +                   );
> > > > +        if (EFI_ERROR (Status)) {
> > > > +          break;
> > > > +        }
> > > > +      }
> > > > +
> > > > +      //
> > > > +      // If it is a trunked message, rely on the parser.
> > > > +      //
> > > > +      Header = HttpFindHeader (
> > > > +                 ResponseMessage.HeaderCount,
> > > > +                 ResponseMessage.Headers,
> > > > +                 "Transfer-Encoding"
> > > > +                 );
> > > > +      IsTrunked = (Header && !AsciiStrCmp (Header->FieldValue,
> > > "chunked"));
> > > > +
> > > > +      HttpGetEntityLength (MsgParser, &Context->ContentLength);
> > > > +
> > > > +      if (ResponseData.StatusCode >=
> HTTP_STATUS_400_BAD_REQUEST
> > > > +       && (ResponseData.StatusCode !=
> > > > HTTP_STATUS_308_PERMANENT_REDIRECT))
> > > > +      {
> > > > +        //
> > > > +        // Server reported an error via Response code.
> > > > +        // Collect the body if any.
> > > > +        //
> > > > +        if (!gHttpError) {
> > > > +          gHttpError = TRUE;
> > > > +
> > > > +          Desc = ErrStatusDesc[ResponseData.StatusCode -
> > > > +
> HTTP_STATUS_400_BAD_REQUEST];
> > > > +          PRINT_HII (
> > > > +            STRING_TOKEN (STR_HTTP_ERR_STATUSCODE),
> > > > +            Context->ServerAddrAndProto,
> > > > +            Desc,
> > > > +            Context->URI
> > > > +            );
> > > > +
> > > > +          //
> > > > +          // This gives an RFC HTTP error.
> > > > +          //
> > > > +          Context->Status = ShellStrToUintn (Desc);
> > > > +          Status = ENCODE_ERROR (Context->Status);
> > > > +        }
> > > > +      }
> > > > +    }
> > > > +
> > > > +    // Do NOT try to parse an empty body.
> > > > +    if (ResponseMessage.BodyLength || IsTrunked) {
> > > > +      Status = HttpParseMessageBody (
> > > > +                 MsgParser,
> > > > +                 ResponseMessage.BodyLength,
> > > > +                 ResponseMessage.Body
> > > > +                 );
> > > > +    }
> > > > +  } while (!HttpIsMessageComplete (MsgParser)
> > > > +        && !EFI_ERROR (Status)
> > > > +        && ResponseMessage.BodyLength);
> > > > +
> > > > +  if (Context->Status != REQ_NEED_REPEAT
> > > > +   && Status == EFI_SUCCESS
> > > > +   && CanMeasureTime)
> > > > +  {
> > > > +    if (!EFI_ERROR (gRT->GetTime (&EndTime, NULL))) {
> > > > +      ElapsedSeconds = EfiTimeToEpoch (&EndTime) -
> EfiTimeToEpoch
> > > > (&StartTime);
> > > > +      Print (
> > > > +        L",%a%us\n",
> > > > +        ElapsedSeconds ? " " : " < ",
> > > > +        ElapsedSeconds > 1 ? ElapsedSeconds : 1
> > > > +        );
> > > > +    }
> > > > +  }
> > > > +
> > > > +  SHELL_FREE_NON_NULL (MsgParser);
> > > > +  if (Context->ResponseToken.Event) {
> > > > +    gBS->CloseEvent (Context->ResponseToken.Event);
> > > > +    ZeroMem (&Context->ResponseToken, sizeof (Context-
> > > >ResponseToken));
> > > > +  }
> > > > +
> > > > +  return Status;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Worker function that downloads the data of a file from an HTTP
> > server
> > > given
> > > > +  the path of the file and its size.
> > > > +
> > > > +  @param[in]   Context           A pointer to the HTTP
> download
> > context.
> > > > +  @param[in]   Controllerhandle  The handle of the network
> interface
> > > controller
> > > > +  @param[in]   NicName           NIC name
> > > > +
> > > > +  @retval  EFI_SUCCESS           The file was downloaded.
> > > > +  @retval  EFI_OUT_OF_RESOURCES  A memory allocation failed.
> > > > +  #retval  EFI_HTTP_ERROR        The server returned a valid
> HTTP
> > error.
> > > > +                                 Examine the mLocalFilePath
> file
> > > > +                                 to get error body.
> > > > +  @retval  Others                The downloading of the file
> from the
> > server
> > > > +                                 failed.
> > > > +
> > > > +**/
> > > > +STATIC
> > > > +EFI_STATUS
> > > > +DownloadFile (
> > > > +  IN HTTP_DOWNLOAD_CONTEXT   *Context,
> > > > +  IN EFI_HANDLE              ControllerHandle,
> > > > +  IN CHAR16                  *NicName
> > > > +  )
> > > > +{
> > > > +  EFI_STATUS                 Status;
> > > > +  CHAR16                     *DownloadUrl;
> > > > +  UINTN                      UrlSize;
> > > > +  EFI_HANDLE                 HttpChildHandle;
> > > > +
> > > > +  ASSERT (Context);
> > > > +  if (!Context) {
> > > > +    return EFI_INVALID_PARAMETER;
> > > > +  }
> > > > +
> > > > +  DownloadUrl = NULL;
> > > > +  HttpChildHandle = NULL;
> > > > +
> > > > +  Context->Buffer = AllocatePool (Context->BufferSize);
> > > > +  if (!Context->Buffer) {
> > > > +    Status = EFI_OUT_OF_RESOURCES;
> > > > +    goto ON_EXIT;
> > > > +  }
> > > > +
> > > > +  //
> > > > +  // OPEN FILE
> > > > +  //
> > > > +  if (!EFI_ERROR (ShellFileExists (mLocalFilePath))) {
> > > > +    ShellDeleteFileByName (mLocalFilePath);
> > > > +  }
> > > > +
> > > > +  Status = ShellOpenFileByName (
> > > > +             mLocalFilePath,
> > > > +             &mFileHandle,
> > > > +             EFI_FILE_MODE_CREATE |
> > > > +             EFI_FILE_MODE_WRITE  |
> > > > +             EFI_FILE_MODE_READ,
> > > > +             0
> > > > +             );
> > > > +  if (EFI_ERROR (Status)) {
> > > > +    PRINT_HII_APP (STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL),
> > > > mLocalFilePath);
> > > > +    goto ON_EXIT;
> > > > +  }
> > > > +
> > > > +  do {
> > > > +    SHELL_FREE_NON_NULL (DownloadUrl);
> > > > +
> > > > +    CLOSE_HTTP_HANDLE (ControllerHandle, HttpChildHandle);
> > > > +
> > > > +    Status = CreateServiceChildAndOpenProtocol (
> > > > +               ControllerHandle,
> > > > +               &gEfiHttpServiceBindingProtocolGuid,
> > > > +               &gEfiHttpProtocolGuid,
> > > > +               &HttpChildHandle,
> > > > +               (VOID**)&Context->Http
> > > > +               );
> > > > +
> > > > +    if (EFI_ERROR (Status)) {
> > > > +      PRINT_HII (STRING_TOKEN
> (STR_HTTP_ERR_OPEN_PROTOCOL),
> > > NicName,
> > > > Status);
> > > > +      goto ON_EXIT;
> > > > +    }
> > > > +
> > > > +    Status = Context->Http->Configure (Context->Http, &Context-
> > > > >HttpConfigData);
> > > > +    if (EFI_ERROR (Status)) {
> > > > +      PRINT_HII (STRING_TOKEN (STR_HTTP_ERR_CONFIGURE),
> NicName,
> > > > Status);
> > > > +      goto ON_EXIT;
> > > > +    }
> > > > +
> > > > +    UrlSize = 0;
> > > > +    DownloadUrl = StrnCatGrow (
> > > > +                    &DownloadUrl,
> > > > +                    &UrlSize,
> > > > +                    Context->ServerAddrAndProto,
> > > > +                    StrLen (Context->ServerAddrAndProto)
> > > > +                    );
> > > > +    if (Context->URI[0] != L'/') {
> > > > +      DownloadUrl = StrnCatGrow (
> > > > +                      &DownloadUrl,
> > > > +                      &UrlSize,
> > > > +                      L"/",
> > > > +                      StrLen (Context->ServerAddrAndProto)
> > > > +                      );
> > > > +    }
> > > > +
> > > > +    DownloadUrl = StrnCatGrow (
> > > > +                    &DownloadUrl,
> > > > +                    &UrlSize,
> > > > +                    Context->URI,
> > > > +                    StrLen (Context->URI));
> > > > +
> > > > +    PRINT_HII (STRING_TOKEN (STR_HTTP_DOWNLOADING),
> > > DownloadUrl);
> > > > +
> > > > +    Status = SendRequest (Context, DownloadUrl);
> > > > +    if (Status) {
> > > > +      goto ON_EXIT;
> > > > +    }
> > > > +
> > > > +    Status = GetResponse (Context, DownloadUrl);
> > > > +
> > > > +    if (Status) {
> > > > +      goto ON_EXIT;
> > > > +    }
> > > > +
> > > > +  } while (Context->Status == REQ_NEED_REPEAT);
> > > > +
> > > > +  if (Context->Status) {
> > > > +    Status = ENCODE_ERROR (Context->Status);
> > > > +  }
> > > > +
> > > > +ON_EXIT:
> > > > +  //
> > > > +  // CLOSE FILE
> > > > +  //
> > > > +  if (mFileHandle) {
> > > > +    if (EFI_ERROR (Status) && !(Context->Flags &
> DL_FLAG_KEEP_BAD)) {
> > > > +      ShellDeleteFile (&mFileHandle);
> > > > +    } else {
> > > > +      ShellCloseFile (&mFileHandle);
> > > > +    }
> > > > +  }
> > > > +
> > > > +  SHELL_FREE_NON_NULL (DownloadUrl);
> > > > +  SHELL_FREE_NON_NULL (Context->Buffer);
> > > > +
> > > > +  CLOSE_HTTP_HANDLE (ControllerHandle, HttpChildHandle);
> > > > +
> > > > +  return Status;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Retrive HII package list from ImageHandle and publish to HII
> > database.
> > > > +
> > > > +  @param ImageHandle            The image handle of the
> process.
> > > > +
> > > > +  @return HII handle.
> > > > +**/
> > > > +EFI_HII_HANDLE
> > > > +InitializeHiiPackage (
> > > > +  EFI_HANDLE                  ImageHandle
> > > > +  )
> > > > +{
> > > > +  EFI_STATUS                  Status;
> > > > +  EFI_HII_PACKAGE_LIST_HEADER *PackageList;
> > > > +  EFI_HII_HANDLE              HiiHandle;
> > > > +
> > > > +  //
> > > > +  // Retrieve HII package list from ImageHandle
> > > > +  //
> > > > +  Status = gBS->OpenProtocol (
> > > > +                  ImageHandle,
> > > > +                  &gEfiHiiPackageListProtocolGuid,
> > > > +                  (VOID **)&PackageList,
> > > > +                  ImageHandle,
> > > > +                  NULL,
> > > > +                  EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > > > +                  );
> > > > +  ASSERT_EFI_ERROR (Status);
> > > > +  if (EFI_ERROR (Status)) {
> > > > +    return NULL;
> > > > +  }
> > > > +
> > > > +  //
> > > > +  // Publish HII package list to HII Database.
> > > > +  //
> > > > +  Status = gHiiDatabase->NewPackageList (
> > > > +             gHiiDatabase,
> > > > +             PackageList,
> > > > +             NULL,
> > > > +             &HiiHandle
> > > > +             );
> > > > +  ASSERT_EFI_ERROR (Status);
> > > > +  if (EFI_ERROR (Status)) {
> > > > +    return NULL;
> > > > +  }
> > > > +
> > > > +  return HiiHandle;
> > > > +}
> > > > diff --git
> a/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.c
> > > > b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.c
> > > > new file mode 100644
> > > > index 000000000000..a7d2c27191a2
> > > > --- /dev/null
> > > > +++ b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.c
> > > > @@ -0,0 +1,61 @@
> > > > +/** @file
> > > > +  Entrypoint of "http" shell standalone application.
> > > > +
> > > > +  Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.
> > <BR>
> > > > +  Copyright (c) 2015, ARM Ltd. All rights reserved.<BR>
> > > > +  Copyright (c) 2020, Broadcom. All rights reserved.<BR>
> > > > +
> > > > +  SPDX-License-Identifier: BSD-2-Clause-Patent
> > > > +
> > > > +**/
> > > > +#include "Http.h"
> > > > +
> > > > +/*
> > > > + * String token ID of help message text.
> > > > + * Shell supports to find help message in the resource section of an
> > > > + * application image if * .MAN file is not found.
> > > > + * This global variable is added to make build tool recognizes
> > > > + * that the help string is consumed by user and then build tool will
> > > > + * add the string into the resource section.
> > > > + * Thus the application can use '-?' option to show help message in
> > Shell.
> > > > + */
> > > > +GLOBAL_REMOVE_IF_UNREFERENCED
> > > > +EFI_STRING_ID mStringHelpTokenId = STRING_TOKEN
> > > (STR_GET_HELP_HTTP);
> > > > +
> > > > +/**
> > > > +  Entry point of Http standalone application.
> > > > +
> > > > +  @param ImageHandle            The image handle of the
> process.
> > > > +  @param SystemTable            The EFI System Table pointer.
> > > > +
> > > > +  @retval EFI_SUCCESS           Http command is executed
> sucessfully.
> > > > +  @retval EFI_ABORTED           HII package was failed to
> initialize.
> > > > +  @retval others                Other errors when executing http
> > command.
> > > > +**/
> > > > +EFI_STATUS
> > > > +EFIAPI
> > > > +HttpAppInitialize (
> > > > +  IN EFI_HANDLE               ImageHandle,
> > > > +  IN EFI_SYSTEM_TABLE         *SystemTable
> > > > +  )
> > > > +{
> > > > +  EFI_STATUS                  Status;
> > > > +  SHELL_STATUS                ShellStatus;
> > > > +
> > > > +  mHttpHiiHandle = InitializeHiiPackage (ImageHandle);
> > > > +  if (mHttpHiiHandle == NULL) {
> > > > +    return EFI_ABORTED;
> > > > +  }
> > > > +
> > > > +  Status = EFI_SUCCESS;
> > > > +
> > > > +  ShellStatus = RunHttp (ImageHandle, SystemTable);
> > > > +
> > > > +  HiiRemovePackages (mHttpHiiHandle);
> > > > +
> > > > +  if (Status != SHELL_SUCCESS) {
> > > > +    Status = ENCODE_ERROR (ShellStatus);
> > > > +  }
> > > > +
> > > > +  return Status;
> > > > +}
> > > > diff --git
> > > >
> > >
> a/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicComma
> > > nd.c
> > > >
> > >
> b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicComma
> > > nd.c
> > > > new file mode 100644
> > > > index 000000000000..7f59cc74d2a7
> > > > --- /dev/null
> > > > +++
> > > >
> > >
> b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicComma
> > > nd.c
> > > > @@ -0,0 +1,137 @@
> > > > +/** @file
> > > > +  Produce "http" shell dynamic command.
> > > > +
> > > > +  Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.
> > <BR>
> > > > +  Copyright (c) 2015, ARM Ltd. All rights reserved.<BR>
> > > > +  Copyright (c) 2020, Broadcom. All rights reserved.<BR>
> > > > +
> > > > +  SPDX-License-Identifier: BSD-2-Clause-Patent
> > > > +
> > > > +**/
> > > > +#include <Protocol/ShellDynamicCommand.h>
> > > > +#include "Http.h"
> > > > +
> > > > +/**
> > > > +  This is the shell command handler function pointer callback type.
> > This
> > > > +  function handles the command when it is invoked in the shell.
> > > > +
> > > > +  @param[in] This               The instance of the
> > > > +
> EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL.
> > > > +  @param[in] SystemTable        The pointer to the system table.
> > > > +  @param[in] ShellParameters    The parameters associated with
> the
> > > command.
> > > > +  @param[in] Shell              The instance of the shell protocol
> > used in
> > > > +                                the context of processing this
> > command.
> > > > +
> > > > +  @return EFI_SUCCESS           the operation was sucessful
> > > > +  @return other                 the operation failed.
> > > > +**/
> > > > +SHELL_STATUS
> > > > +EFIAPI
> > > > +HttpCommandHandler (
> > > > +  IN EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL    *This,
> > > > +  IN EFI_SYSTEM_TABLE                      *SystemTable,
> > > > +  IN EFI_SHELL_PARAMETERS_PROTOCOL
> *ShellParameters,
> > > > +  IN EFI_SHELL_PROTOCOL                    *Shell
> > > > +  )
> > > > +{
> > > > +  gEfiShellParametersProtocol = ShellParameters;
> > > > +  gEfiShellProtocol           = Shell;
> > > > +
> > > > +  return RunHttp (gImageHandle, SystemTable);
> > > > +}
> > > > +
> > > > +/**
> > > > +  This is the command help handler function pointer callback type.
> > This
> > > > +  function is responsible for displaying help information for the
> > associated
> > > > +  command.
> > > > +
> > > > +  @param[in] This        The instance of the
> > > > EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL.
> > > > +  @param[in] Language    The pointer to the language string to use.
> > > > +
> > > > +  @return string         Pool allocated help string, must be freed by
> > caller
> > > > +**/
> > > > +CHAR16 *
> > > > +EFIAPI
> > > > +HttpCommandGetHelp (
> > > > +  IN EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL    *This,
> > > > +  IN CONST CHAR8                           *Language
> > > > +  )
> > > > +{
> > > > +  return HiiGetString (
> > > > +           mHttpHiiHandle,
> > > > +           STRING_TOKEN (STR_GET_HELP_HTTP),
> > > > +           Language
> > > > +           );
> > > > +}
> > > > +
> > > > +EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL
> mHttpDynamicCommand
> > > = {
> > > > +  HTTP_APP_NAME,
> > > > +  HttpCommandHandler,
> > > > +  HttpCommandGetHelp
> > > > +};
> > > > +
> > > > +/**
> > > > +  Entry point of Http Dynamic Command.
> > > > +
> > > > +  Produce the DynamicCommand protocol to handle "http" command.
> > > > +
> > > > +  @param ImageHandle            The image handle of the
> process.
> > > > +  @param SystemTable            The EFI System Table pointer.
> > > > +
> > > > +  @retval EFI_SUCCESS           Http command is executed
> sucessfully.
> > > > +  @retval EFI_ABORTED           HII package was failed to
> initialize.
> > > > +  @retval others                Other errors when executing http
> > command.
> > > > +**/
> > > > +EFI_STATUS
> > > > +EFIAPI
> > > > +HttpCommandInitialize (
> > > > +  IN EFI_HANDLE               ImageHandle,
> > > > +  IN EFI_SYSTEM_TABLE         *SystemTable
> > > > +  )
> > > > +{
> > > > +  EFI_STATUS                  Status;
> > > > +
> > > > +  mHttpHiiHandle = InitializeHiiPackage (ImageHandle);
> > > > +  if (mHttpHiiHandle == NULL) {
> > > > +    return EFI_ABORTED;
> > > > +  }
> > > > +
> > > > +  Status = gBS->InstallProtocolInterface (
> > > > +                  &ImageHandle,
> > > > +                  &gEfiShellDynamicCommandProtocolGuid,
> > > > +                  EFI_NATIVE_INTERFACE,
> > > > +                  &mHttpDynamicCommand
> > > > +                  );
> > > > +  ASSERT_EFI_ERROR (Status);
> > > > +  return Status;
> > > > +}
> > > > +
> > > > +/**
> > > > +  Http driver unload handler.
> > > > +
> > > > +  @param ImageHandle            The image handle of the
> process.
> > > > +
> > > > +  @retval EFI_SUCCESS           The image is unloaded.
> > > > +  @retval Others                Failed to unload the image.
> > > > +**/
> > > > +EFI_STATUS
> > > > +EFIAPI
> > > > +HttpUnload (
> > > > +  IN EFI_HANDLE               ImageHandle
> > > > +)
> > > > +{
> > > > +  EFI_STATUS                  Status;
> > > > +
> > > > +  Status = gBS->UninstallProtocolInterface (
> > > > +                  ImageHandle,
> > > > +                  &gEfiShellDynamicCommandProtocolGuid,
> > > > +                  &mHttpDynamicCommand
> > > > +                  );
> > > > +  if (EFI_ERROR (Status)) {
> > > > +    return Status;
> > > > +  }
> > > > +
> > > > +  HiiRemovePackages (mHttpHiiHandle);
> > > > +
> > > > +  return EFI_SUCCESS;
> > > > +}
> > > > diff --git
> a/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.uni
> > > > b/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.uni
> > > > new file mode 100644
> > > > index 000000000000..00cf05deeb5c
> > > > --- /dev/null
> > > > +++ b/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.uni
> > > > @@ -0,0 +1,117 @@
> > > > +// /**
> > > > +//
> > > > +// (C) Copyright 2015-2016 Hewlett Packard Enterprise Development
> > > LP<BR>
> > > > +// Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.
> > <BR>
> > > > +// Copyright (c) 2020, Broadcom. All rights reserved.<BR>
> > > > +// SPDX-License-Identifier: BSD-2-Clause-Patent
> > > > +//
> > > > +// Module Name:
> > > > +//
> > > > +// Http.uni
> > > > +//
> > > > +// Abstract:
> > > > +//
> > > > +// String definitions for UEFI Shell HTTP command
> > > > +//
> > > > +//
> > > > +// **/
> > > > +
> > > > +/=#
> > > > +
> > > > +#langdef   en-US "english"
> > > > +
> > > > +#string STR_GEN_TOO_MANY           #language en-US
> "%H%s%N: Too
> > > many
> > > > arguments. Try help http.\r\n"
> > > > +#string STR_GEN_TOO_FEW            #language en-US
> "%H%s%N: Too few
> > > > arguments. Try help http.\r\n"
> > > > +#string STR_GEN_PARAM_INV          #language en-US "%H%s%N:
> Invalid
> > > > argument - '%H%s%N'. Try help http.\r\n"
> > > > +#string STR_GEN_PROBLEM            #language en-US "%H%s%N:
> Unknown
> > > flag -
> > > > '%H%s%N'. Try help http.\r\n"
> > > > +#string STR_GEN_FILE_OPEN_FAIL     #language en-US "%H%s%N:
> Cannot
> > > open
> > > > file - '%H%s%N'\r\n"
> > > > +#string STR_GEN_CRLF               #language en-US "\r\n"
> > > > +
> > > > +#string STR_HTTP_ERR_NO_NIC        #language en-US "No
> network
> > > interface
> > > > card found.\r\n"
> > > > +#string STR_HTTP_ERR_NIC_NAME      #language en-US "Failed to
> get the
> > > name
> > > > of the network interface card number %d - %r\r\n"
> > > > +#string STR_HTTP_ERR_OPEN_PROTOCOL #language en-US "Unable to
> > > open
> > > > HTTP protocol on '%H%s%N' - %r\r\n"
> > > > +#string STR_HTTP_ERR_CONFIGURE     #language en-US "Unable to
> > > configure
> > > > HTTP protocol on '%H%s%N' - %r\r\n"
> > > > +#string STR_HTTP_ERR_DOWNLOAD      #language en-US "Unable
> to
> > > download
> > > > the file '%H%s%N' on '%H%s%N' - %r\r\n"
> > > > +#string STR_HTTP_ERR_WRITE         #language en-US "Unable to
> write
> > into
> > > file
> > > > '%H%s%N' - %r\r\n"
> > > > +#string STR_HTTP_ERR_NIC_NOT_FOUND #language en-US "Network
> > > Interface
> > > > Card '%H%s%N' not found.\r\n"
> > > > +#string STR_HTTP_ERR_STATUSCODE    #language en-US
> "\r'%H%s%N'
> > > reports
> > > > '%s' for '%H%s%N' \r\n"
> > > > +#string STR_HTTP_DOWNLOADING       #language en-US
> "Downloading
> > > > '%H%s%N'\r\n"
> > > > +
> > > > +#string STR_GET_HELP_HTTP          #language en-US ""
> > > > +".TH http 0 "Download a file from HTTP server."\r\n"
> > > > +".SH NAME\r\n"
> > > > +"Download a file from HTTP server.\r\n"
> > > > +".SH SYNOPSIS\r\n"
> > > > +" \r\n"
> > > > +"HTTP [-i interface] [-l port] [-t timeout] [-s size] [-m] [-k]\r\n"
> > > > +"      <URL> [localfilepath]\r\n"
> > > > +".SH OPTIONS\r\n"
> > > > +" \r\n"
> > > > +"  -i interface     - Specifies an adapter name, i.e., eth0.\r\n"
> > > > +"  -k                 Keep the downloaded file even if there was
> an
> > error.\r\n"
> > > > +"                     If this parameter is not used, the file will be
> > deleted.\r\n"
> > > > +"  -l port          - Specifies the local port number. Default value
> > is 0\r\n"
> > > > +"                     and the port number is automatically
> > assigned.\r\n"
> > > > +"  -m                 Measure and report download time (in
> seconds).
> > \r\n"
> > > > +"  -s size            The size of the download buffer for a chunk, in
> > bytes.\r\n"
> > > > +"                     Default is 32K. Note that larger buffer does
> > not imply\r\n"
> > > > +"                     better speed.\r\n"
> > > > +"  -t timeout       - The number of seconds to wait for completion
> > of\r\n"
> > > > +"                     requests and responses. Default is 0 which
> is
> > 'automatic'.\r\n"
> > > > +"  %HURL%N\r\n"
> > > > +"  Two types of providing of URLs are supported:\r\n"
> > > > +"    1. tftp-like, where host and http_uri are separate
> > parameters\r\n"
> > > > +"       (example: host /host_uri), and\r\n\"
> > > > +"    2. wget-like, where host and host_uri is one parameter.\r\n"
> > > > +"       (example: host/host_uri)\r\n"
> > > > +"\r\n"
> > > > +"    host             - Specifies HTTP Server address.\r\n
> > > > +                        Can be either IPv4 address or 'http (or
> > https)://addr'\r\n
> > > > +                        Can use addresses resolvable by DNS as
> well.
> > \r\n
> > > > +                        Port can be specified after ':' if needed.
> > \r\n
> > > > +                        By default port 80 is used.\r\n"
> > > > +"    http_uri         - HTTP server URI to download the file.\r\n"
> > > > +"\r\n"
> > > > +"  localfilepath    - Local destination file path.\r\n"
> > > > +".SH DESCRIPTION\r\n"
> > > > +" \r\n"
> > > > +"NOTES:\r\n"
> > > > +"  1. The HTTP command allows geting of the file specified by its
> > > 'http_uri'\r\n"
> > > > +"     path from the HTTP server specified by its 'host' IPv4 address.
> > If
> > > the\r\n"
> > > > +"     optional 'localfilepath' parameter is provided, the downloaded
> > file
> > > is\r\n"
> > > > +"     stored locally using the provided file path. If the local file
> > path is\r\n"
> > > > +"     not specified, the file is stored in the current directory
> > using the
> > > file\r\n"
> > > > +"     server's name.\r\n"
> > > > +"  2. Before using the HTTP command, the network interface intended
> > to
> > > > be\r\n"
> > > > +"     used to retrieve the file must be configured. This
> > configuration may
> > > be\r\n"
> > > > +"     done by means of the 'ifconfig' command.\r\n"
> > > > +"  3. If a network interface is defined with the '-i' option then
> > only
> > > this\r\n"
> > > > +"     interface will be used to retrieve the remote file. Otherwise,
> > all
> > > > network\r\n"
> > > > +"     interfaces are tried in the order they have been discovered
> > during
> > > the\r\n"
> > > > +"     DXE phase.\r\n"
> > > > +".SH EXAMPLES\r\n"
> > > > +" \r\n"
> > > > +"EXAMPLES:\r\n"
> > > > +"  * To get the file "dir1/file1.dat" from the HTTP server
> > 192.168.1.1, port
> > > 8080,
> > > > and\r\n"
> > > > +"    store it as file2.dat in the current directory (use tftp-like
> > URL format)
> > > :\r\n"
> > > > +"    fs0:\> http 192.168.1.1:8080 dir1/file1.dat file2.dat\r\n"
> > > > +"  * To get the file /image.bin via HTTPS from server 192.168.1.1 at
> > port 443
> > > > \r\n"
> > > > +"    (default HTTPS port), and store it in the current directory:
> > \r\n"
> > > > +"    fs0:\> http https://192.168.1.1 image.bin\r\n"
> > > > +"    To get an index file from http://google.com and place it into
> > the \r\n"
> > > > +"    current directory:\r\n"
> > > > +"    fs0:\> http google.com index.html\r\n"
> > > > +".SH RETURNVALUES\r\n"
> > > > +" \r\n"
> > > > +"RETURN VALUES:\r\n"
> > > > +"  SHELL_SUCCESS             The action was completed as
> > requested.\r\n"
> > > > +"  SHELL_INVALID_PARAMETER   One of the passed-in parameters
> was
> > > > incorrectly\r\n"
> > > > +"                            formatted or its value was out of
> > bounds.\r\n"
> > > > +"  HTTP_ERROR                No EFI errors, but the server
> reported a
> > status
> > > > code\r\n"
> > > > +"                            which should be treated as an error.
> If
> > an error body
> > > sent\r\n"
> > > > +"                            by the server, and -k parameter is
> on
> > command line,
> > > > +"                            the file wil be saved either as
> > localfilepath filename,\r\n"
> > > > +"                            or as an URI name in the current
> > directory.\r\n"
> > > > +"                            If '/' is at the end of the URL, and
> no
> > locafilepath
> > > filename\r\n"
> > > > +"                            is given on the command line, the
> file
> > will be retrieved
> > > as\r\n"
> > > > +"                            index.html.\r\n"
> > > > --
> > > > 2.26.2.266.ge870325ee8
> > > >
> > > >
> > > >
> >
> >
> 
> 
> 




  reply	other threads:[~2020-09-07  8:01 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-30  0:28 [PATCH v9 0/1] ShellPkg/DynamicCommand: add HttpDynamicCommand Vladimir Olovyannikov
2020-08-30  0:28 ` [PATCH 1/1] NetworkPkg: Fix possible infinite loop in HTTP msg body parser Vladimir Olovyannikov
2020-08-30  0:28 ` [PATCH v9 1/1] ShellPkg/DynamicCommand: add HttpDynamicCommand Vladimir Olovyannikov
2020-09-02  2:32   ` [edk2-devel] " Gao, Zhichao
2020-09-02  3:48     ` Vladimir Olovyannikov
2020-09-07  7:29       ` Gao, Zhichao
2020-09-07  8:01         ` gaoliming [this message]
2020-08-31  9:15 ` [PATCH v9 0/1] " Laszlo Ersek
2020-08-31 15:54   ` Vladimir Olovyannikov

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