Hi Gao,

Thanks for reviewing.
As you suggest, I will postpone the next patchset submission until
NetworkPkg maintainer(s) review.

> -----Original Message-----
> From: Gao, Zhichao <zhichao....@intel.com>
> Sent: Sunday, August 16, 2020 6:48 PM
> To: Vladimir Olovyannikov <vladimir.olovyanni...@broadcom.com>;
> devel@edk2.groups.io
> Cc: Laszlo Ersek <ler...@redhat.com>; Samer El-Haj-Mahmoud <Samer.El-
> haj-mahm...@arm.com>; Maciej Rabeda
> <maciej.rab...@linux.intel.com>; Wu, Jiaxin <jiaxin...@intel.com>; Fu,
> Siyuan <siyuan...@intel.com>; Ni, Ray <ray...@intel.com>; Gao, Liming
> <liming....@intel.com>; Nd <n...@arm.com>
> Subject: RE: [PATCH v5 1/1] ShellPkg/DynamicCommand: add
> HttpDynamicCommand
>
> Sorry for the delay reply.
>
> See below:
>
> > -----Original Message-----
> > From: Vladimir Olovyannikov <vladimir.olovyanni...@broadcom.com>
> > Sent: Tuesday, July 28, 2020 12:49 AM
> > To: devel@edk2.groups.io
> > Cc: Laszlo Ersek <ler...@redhat.com>; Vladimir Olovyannikov
> > <vladimir.olovyanni...@broadcom.com>; Samer El-Haj-Mahmoud
> <Samer.El-
> > haj-mahm...@arm.com>; Gao, Zhichao <zhichao....@intel.com>; Maciej
> > Rabeda <maciej.rab...@linux.intel.com>; Wu, Jiaxin
> <jiaxin...@intel.com>; Fu,
> > Siyuan <siyuan...@intel.com>; Ni, Ray <ray...@intel.com>; Gao, Liming
> > <liming....@intel.com>; Nd <n...@arm.com>
> > Subject: [PATCH v5 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.olovyanni...@broadcom.com>
> > CC: Samer El-Haj-Mahmoud <samer.el-haj-mahm...@arm.com>
> > CC: Laszlo Ersek <ler...@redhat.com>
> > Cc: Zhichao Gao <zhichao....@intel.com>
> > Cc: Maciej Rabeda <maciej.rab...@linux.intel.com>
> > Cc: Jiaxin Wu <jiaxin...@intel.com>
> > Cc: Siyuan Fu <siyuan...@intel.com>
> > Cc: Ray Ni <ray...@intel.com>
> > Cc: Liming Gao <liming....@intel.com>
> > Cc: Nd <n...@arm.com>
> > ---
> >  CryptoPkg/Library/OpensslLib/openssl          |    2 +-
> >  .../DynamicCommand/HttpDynamicCommand/Http.c  | 1715
> > +++++++++++++++++
> >  .../DynamicCommand/HttpDynamicCommand/Http.h  |   89 +
> >  .../HttpDynamicCommand/Http.uni               |  117 ++
> >  .../HttpDynamicCommand/HttpApp.c              |   53 +
> >  .../HttpDynamicCommand/HttpApp.inf            |   58 +
> >  .../HttpDynamicCommand/HttpDynamicCommand.c   |  134 ++
> >  .../HttpDynamicCommand/HttpDynamicCommand.inf |   63 +
> >  ShellPkg/Include/Guid/ShellLibHiiGuid.h       |    5 +
> >  ShellPkg/ShellPkg.dec                         |    1 +
> >  ShellPkg/ShellPkg.dsc                         |    5 +
> >  11 files changed, 2241 insertions(+), 1 deletion(-)
> >  create mode 100644
> ShellPkg/DynamicCommand/HttpDynamicCommand/Http.c
> >  create mode 100644
> > ShellPkg/DynamicCommand/HttpDynamicCommand/Http.h
> >  create mode 100644
> > ShellPkg/DynamicCommand/HttpDynamicCommand/Http.uni
> >  create mode 100644
> > ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.c
> >  create mode 100644
> > ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.inf
> >  create mode 100644
> >
> ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicCommand
> .c
> >  create mode 100644
> >
> ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicCommand
> .inf
> >
> > diff --git a/CryptoPkg/Library/OpensslLib/openssl
> > b/CryptoPkg/Library/OpensslLib/openssl
> > index e2e09d9fba11..c3656cc594da 160000
> > --- a/CryptoPkg/Library/OpensslLib/openssl
> > +++ b/CryptoPkg/Library/OpensslLib/openssl
> > @@ -1 +1 @@
> > -Subproject commit e2e09d9fba1187f8d6aafaa34d4172f56f1ffb72
> > +Subproject commit c3656cc594daac8167721dde7220f0e59ae146fc
> > diff --git a/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.c
> > b/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.c
> > new file mode 100644
> > index 000000000000..0565b07c3570
> > --- /dev/null
> > +++ b/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.c
> > @@ -0,0 +1,1715 @@
> > +/** @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
> >
> > +EFI_HII_HANDLE   mHttpHiiHandle;
> >
> > +
> >
> > +/*
> >
> > +   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 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"[
]"
> >
> > +
> >
> > +// 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"
> >
> > +};
> >
> > +
> >
> > +// 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;
> >
> > +
> >
> > +/**
> >
> > +  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
> >
> > +  )
> >
> > +{
> >
> > +  ASSERT(String != NULL);
> >
> > +  ASSERT(*String!= NULL);
> >
> > +  //
> >
> > +  // Remove any spaces and tabs at the beginning of the (*String).
> >
> > +  //
> >
> > +  while (((*String)[0] == L' ') || ((*String)[0] == L'\t')) {
> >
> > +    CopyMem (
> >
> > +      (*String),
> >
> > +      (*String) + 1,
> >
> > +      StrSize ((*String)) - sizeof((*String)[0])
> >
> > +      );
> >
> > +  }
> >
> > +
> >
> > +  //
> >
> > +  // Remove any spaces and tabs at the end of the (*String).
> >
> > +  //
> >
> > +  while ((StrLen (*String) > 0) &&
> >
> > +         (((*String)[StrLen ((*String)) - 1] == L' ') ||
> >
> > +         ((*String)[StrLen ((*String)) - 1] == L'\t'))
> >
> > +        ) {
> >
> > +    (*String)[StrLen ((*String)) - 1] = CHAR_NULL;
> >
> > +  }
> >
> > +
> >
> > +  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;
> >
> > +}
> >
> > +
> >
> > +
> >
> > +/**
> >
> > +  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   DOWNLOAD_CONTEXT   *Context
> >
> > +  );
> >
> > +
> >
> > +STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
> >
> > +  {L"-i", TypeValue},
> >
> > +  {L"-k", TypeFlag},
> >
> > +  {L"-l", TypeValue},
> >
> > +  {L"-s", TypeValue},
> >
> > +  {L"-t", TypeValue},
> >
> > +  {NULL , TypeMax}
> >
> > +  };
> >
> > +
> >
> > +/**
> >
> > +  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_HTTP_CONFIG_DATA    HttpConfigData;
> >
> > +  EFI_HTTPv4_ACCESS_POINT IPv4Node;
> >
> > +  EFI_HANDLE              *Handles;
> >
> > +  EFI_HANDLE              ControllerHandle;
> >
> > +  EFI_HANDLE              HttpChildHandle;
> >
> > +  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);
>
> I prefer to put ');' in next line like other functions.
>
> >
> > +  if (EFI_ERROR (Status)) {
> >
> > +    if ((Status == EFI_VOLUME_CORRUPTED) &&
> >
> > +        (ProblemParam != NULL) ) {
> >
> > +      ShellPrintHiiEx (
> >
> > +        -1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), mHttpHiiHandle,
> >
> > +        HTTP_APP_NAME, 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) {
> >
> > +    ShellPrintHiiEx (
> >
> > +      -1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY),
> >
> > +      mHttpHiiHandle, HTTP_APP_NAME
> >
> > +      );
> >
> > +    goto Error;
> >
> > +  }
> >
> > +
> >
> > +  if (ParamCount < MIN_PARAM_COUNT) {
> >
> > +    ShellPrintHiiEx (
> >
> > +      -1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW),
> >
> > +      mHttpHiiHandle, HTTP_APP_NAME
> >
> > +      );
> >
> > +    goto Error;
> >
> > +  }
> >
> > +
> >
> > +  ZeroMem (&HttpConfigData, sizeof (HttpConfigData));
> >
> > +  ZeroMem (&IPv4Node, sizeof (IPv4Node));
> >
> > +  IPv4Node.UseDefaultAddress = TRUE;
> >
> > +
> >
> > +  HttpConfigData.HttpVersion = HttpVersion11;
> >
> > +  HttpConfigData.AccessPoint.IPv4Node = &IPv4Node;
> >
> > +
> >
> > +  //
> >
> > +  // Get the host address (not necessarily IPv4 format)
> >
> > +  //
> >
> > +  ValueStr = ShellCommandLineGetRawValue (CheckPackage, 1);
> >
> > +  if (!ValueStr) {
> >
> > +    ShellPrintHiiEx (
> >
> > +      -1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV),
> mHttpHiiHandle,
> >
> > +      HTTP_APP_NAME, ValueStr
> >
> > +      );
> >
> > +    goto Error;
> >
> > +  } else {
> >
> > +    StartSize = 0;
> >
> > +    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'/' )    ) {
>
> It is better to remove the useless space in the above line at the end of
'if'
> condition.
>
> >
> > +        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) {
> >
> > +    if (!StringToUint16 (
> >
> > +         ValueStr,
> >
> > +         &HttpConfigData.AccessPoint.IPv4Node->LocalPort
> >
> > +       )
> >
> > +     ) {
>
> I suggest to align the end ')' of StringToUint16 to align with the
parameters.
> And the end ')' of 'if' to go right next to the end ')' of
StringToUint16.
OK, will do.
>
> >
> > +      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) {
> >
> > +      ShellPrintHiiEx (
> >
> > +        -1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV),
> >
> > +        mHttpHiiHandle, HTTP_APP_NAME, ValueStr
> >
> > +        );
> >
> > +      goto Error;
> >
> > +    }
> >
> > +  }
> >
> > +
> >
> > +  ValueStr = ShellCommandLineGetValue (CheckPackage, L"-t");
> >
> > +  if (ValueStr != NULL) {
> >
> > +    HttpConfigData.TimeOutMillisec = (UINT32)ShellStrToUintn
(ValueStr);
>
> I am not sure if it is fine to transfer '-1' as time out value when the
-t with
> invalid number string. It depends on the NetworkPkg maintainers' review.
>
> I am OK with other part of the patch. But I still need NetworkPkg
maintainers'
> help to review above issue and the implementation.
> There is no need to resend another patch if NetworkPkg maintainers are
OK
> with above issue and the implementation.
OK, I will postpone submission of the patch until NetworkPkg
maintainter(s) review.
>
> Thanks,
> Zhichao
>
Thank you,
Vladimir
> >
> > +  }
> >
> > +
> >
> > +  //
> >
> > +  // Locate all HTTP Service Binding protocols
> >
> > +  //
> >
> > +  Status = gBS->LocateHandleBuffer (
> >
> > +             ByProtocol,
> >
> > +             &gEfiManagedNetworkServiceBindingProtocolGuid,
> >
> > +             NULL,
> >
> > +             &HandleCount,
> >
> > +             &Handles
> >
> > +             );
> >
> > +  if (EFI_ERROR (Status) || (HandleCount == 0)) {
> >
> > +    ShellPrintHiiEx (
> >
> > +      -1, -1, NULL, STRING_TOKEN (STR_HTTP_ERR_NO_NIC),
> mHttpHiiHandle
> >
> > +      );
> >
> > +    if (!EFI_ERROR (Status)) {
> >
> > +      Status = EFI_NOT_FOUND;
> >
> > +    }
> >
> > +
> >
> > +    goto Error;
> >
> > +  }
> >
> > +
> >
> > +  Status = EFI_NOT_FOUND;
> >
> > +
> >
> > +  for (NicNumber = 0;
> >
> > +       (NicNumber < HandleCount) && (Status != EFI_SUCCESS);
> >
> > +       NicNumber++) {
> >
> > +    ControllerHandle = Handles[NicNumber];
> >
> > +
> >
> > +    Status = GetNicName (ControllerHandle, NicNumber, NicName);
> >
> > +    if (EFI_ERROR (Status)) {
> >
> > +      ShellPrintHiiEx (
> >
> > +        -1, -1, NULL, STRING_TOKEN (STR_HTTP_ERR_NIC_NAME),
> >
> > +        mHttpHiiHandle, NicNumber, Status
> >
> > +      );
> >
> > +      continue;
> >
> > +    }
> >
> > +
> >
> > +    if (UserNicName != NULL) {
> >
> > +      if (StrCmp (NicName, UserNicName) != 0) {
> >
> > +        Status = EFI_NOT_FOUND;
> >
> > +        continue;
> >
> > +      }
> >
> > +      NicFound = TRUE;
> >
> > +    }
> >
> > +
> >
> > +    Status = CreateServiceChildAndOpenProtocol (
> >
> > +               ControllerHandle,
> >
> > +               &gEfiHttpServiceBindingProtocolGuid,
> >
> > +               &gEfiHttpProtocolGuid,
> >
> > +               &HttpChildHandle,
> >
> > +               (VOID**)&Context.Http
> >
> > +             );
> >
> > +    if (EFI_ERROR (Status)) {
> >
> > +      ShellPrintHiiEx (
> >
> > +        -1, -1, NULL, STRING_TOKEN (STR_HTTP_ERR_OPEN_PROTOCOL),
> >
> > +        mHttpHiiHandle, NicName, Status
> >
> > +        );
> >
> > +      continue;
> >
> > +    }
> >
> > +
> >
> > +    Status = Context.Http->Configure (Context.Http, &HttpConfigData);
> >
> > +    if (EFI_ERROR (Status)) {
> >
> > +      ShellPrintHiiEx (
> >
> > +        -1, -1, NULL, STRING_TOKEN (STR_HTTP_ERR_CONFIGURE),
> >
> > +        mHttpHiiHandle, NicName, Status
> >
> > +        );
> >
> > +      continue;
> >
> > +    }
> >
> > +
> >
> > +    Context.Flags = 0;
> >
> > +    if (ShellCommandLineGetFlag (CheckPackage, L"-m")) {
> >
> > +      Context.Flags |= DL_FLAG_TIME;
> >
> > +    }
> >
> > +
> >
> > +    if (ShellCommandLineGetFlag (CheckPackage, L"-k")) {
> >
> > +      Context.Flags |= DL_FLAG_KEEP_BAD;
> >
> > +    }
> >
> > +
> >
> > +    Status = DownloadFile (&Context);
> >
> > +
> >
> > +    ShellPrintHiiEx (
> >
> > +      -1, -1, NULL, STRING_TOKEN (STR_GEN_CRLF), mHttpHiiHandle
> >
> > +      );
> >
> > +
> >
> > +    CloseProtocolAndDestroyServiceChild (
> >
> > +      ControllerHandle,
> >
> > +      &gEfiHttpServiceBindingProtocolGuid,
> >
> > +      &gEfiHttpProtocolGuid,
> >
> > +      HttpChildHandle
> >
> > +      );
> >
> > +
> >
> > +    if (EFI_ERROR (Status)) {
> >
> > +      ShellPrintHiiEx (
> >
> > +        -1, -1, NULL, STRING_TOKEN (STR_HTTP_ERR_DOWNLOAD),
> >
> > +        mHttpHiiHandle, 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)) {
> >
> > +    ShellPrintHiiEx (
> >
> > +      -1, -1, NULL, STRING_TOKEN (STR_HTTP_ERR_NIC_NOT_FOUND),
> >
> > +      mHttpHiiHandle, 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) {
> >
> > +    ShellPrintHiiEx (
> >
> > +      -1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV),
> >
> > +      mHttpHiiHandle, HTTP_APP_NAME, 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 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);
> >
> > +  }
> >
> > +
> >
> > +  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 DOWNLOAD_CONTEXT  *Context,
> >
> > +  IN CHAR16            *DownloadUrl
> >
> > +  )
> >
> > +{
> >
> > +    EFI_HTTP_REQUEST_DATA       RequestData;
> >
> > +    EFI_HTTP_HEADER             RequestHeader;
> >
> > +    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.FieldName = "Host";
> >
> > +
> >
> > +    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.FieldValue = AllocatePool (StringSize);
> >
> > +    if (!RequestHeader.FieldValue) {
> >
> > +      return EFI_OUT_OF_RESOURCES;
> >
> > +    }
> >
> > +
> >
> > +    UnicodeStrToAsciiStrS (Host, RequestHeader.FieldValue,
StringSize);
> >
> > +
> >
> > +    RequestMessage.HeaderCount++;
> >
> > +
> >
> > +    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.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 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) {
> >
> > +      ShellPrintHiiEx (
> >
> > +        -1, -1, NULL, STRING_TOKEN (STR_GEN_CRLF), mHttpHiiHandle
> >
> > +        );
> >
> > +    }
> >
> > +
> >
> > +    ShellPrintHiiEx (
> >
> > +      -1, -1, NULL, STRING_TOKEN (STR_HTTP_ERR_WRITE),
> >
> > +      mHttpHiiHandle, 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 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 DOWNLOAD_CONTEXT *Context,
> >
> > +  IN CHAR16           *DownloadUrl
> >
> > +  )
> >
> > +{
> >
> > +  EFI_HTTP_RESPONSE_DATA      ResponseData;
> >
> > +  EFI_HTTP_MESSAGE            ResponseMessage;
> >
> > +  EFI_HTTP_HEADER             *Header;
> >
> > +  EFI_STATUS                  Status;
> >
> > +  VOID                        *MsgParser;
> >
> > +  CONST CHAR16                *Desc;
> >
> > +  BOOLEAN                     IsTrunked;
> >
> > +  BOOLEAN                     Redirection;
> >
> > +
> >
> > +  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;
> >
> > +
> >
> > +  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) {
> >
> > +      Redirection =
> >
> > +        ((ResponseData.StatusCode >=
> HTTP_STATUS_300_MULTIPLE_CHOICES)
> > &&
> >
> > +         (ResponseData.StatusCode <=
> > HTTP_STATUS_307_TEMPORARY_REDIRECT)
> >
> > +        ) ||
> >
> > +        (ResponseData.StatusCode ==
> > HTTP_STATUS_308_PERMANENT_REDIRECT);
> >
> > +
> >
> > +      if (Redirection) {
> >
> > +        //
> >
> > +        // 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) {
> >
> > +            ShellPrintHiiEx (
> >
> > +              -1, -1, NULL, STRING_TOKEN (STR_HTTP_ERR_STATUSCODE),
> >
> > +              mHttpHiiHandle, 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];
> >
> > +          ShellPrintHiiEx (
> >
> > +            -1, -1, NULL, STRING_TOKEN (STR_HTTP_ERR_STATUSCODE),
> >
> > +            mHttpHiiHandle, Context->ServerAddrAndProto,
> >
> > +            Desc,
> >
> > +            Context->URI
> >
> > +            );
> >
> > +
> >
> > +          //
> >
> > +          // This gives an RFC HTTP error.
> >
> > +          //
> >
> > +          Context->Status = ShellStrToUintn (Desc);
> >
> > +        }
> >
> > +      }
> >
> > +    }
> >
> > +
> >
> > +    // 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
> >
> > +           );
> >
> > +
> >
> > +  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.
> >
> > +
> >
> > +  @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   DOWNLOAD_CONTEXT   *Context
> >
> > +  )
> >
> > +{
> >
> > +  EFI_STATUS            Status;
> >
> > +  CHAR16                *DownloadUrl;
> >
> > +  UINTN                 UrlSize;
> >
> > +
> >
> > +  ASSERT (Context);
> >
> > +  if (!Context) {
> >
> > +    return EFI_INVALID_PARAMETER;
> >
> > +  }
> >
> > +
> >
> > +  DownloadUrl = 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)) {
> >
> > +    ShellPrintHiiEx (
> >
> > +      -1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL),
> >
> > +      mHttpHiiHandle, HTTP_APP_NAME, mLocalFilePath
> >
> > +      );
> >
> > +    goto ON_EXIT;
> >
> > +  }
> >
> > +
> >
> > +  do {
> >
> > +    SHELL_FREE_NON_NULL (DownloadUrl);
> >
> > +    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));
> >
> > +
> >
> > +    ShellPrintHiiEx (
> >
> > +      -1, -1, NULL, STRING_TOKEN (STR_HTTP_DOWNLOADING),
> >
> > +      mHttpHiiHandle, 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);
> >
> > +
> >
> > +  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/Http.h
> > b/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.h
> > new file mode 100644
> > index 000000000000..5c7b90e8cab4
> > --- /dev/null
> > +++ b/ShellPkg/DynamicCommand/HttpDynamicCommand/Http.h
> > @@ -0,0 +1,89 @@
> > +/** @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;
> >
> > +} 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/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"
> >
> > diff --git a/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.c
> > b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.c
> > new file mode 100644
> > index 000000000000..7bd5b46d3997
> > --- /dev/null
> > +++ b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpApp.c
> > @@ -0,0 +1,53 @@
> > +/** @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;
> >
> > +  mHttpHiiHandle = InitializeHiiPackage (ImageHandle);
> >
> > +  if (mHttpHiiHandle == NULL) {
> >
> > +    return EFI_ABORTED;
> >
> > +  }
> >
> > +
> >
> > +  Status = (EFI_STATUS)RunHttp (ImageHandle, SystemTable);
> >
> > +
> >
> > +  HiiRemovePackages (mHttpHiiHandle);
> >
> > +
> >
> > +  return Status;
> >
> > +}
> >
> > 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.c
> >
> b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicComma
> nd.c
> > new file mode 100644
> > index 000000000000..ba654749a075
> > --- /dev/null
> > +++
> >
> b/ShellPkg/DynamicCommand/HttpDynamicCommand/HttpDynamicComma
> nd.c
> > @@ -0,0 +1,134 @@
> > +/** @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/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/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/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
> >
> > --
> > 2.26.2.266.ge870325ee8

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