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system76-edk2/ShellPkg/Library/UefiShellTftpCommandLib/Tftp.c
Fu Siyuan 6987d7aa83 ShellPkg: Fix ARM build failure. 
This patch fixes the ARM build failure introduced by
2be45bfe27.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2016-05-20 14:43:09 +08:00

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33 KiB
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/** @file
The implementation for the 'tftp' Shell command.
Copyright (c) 2015, ARM Ltd. All rights reserved.<BR>
Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved. <BR>
(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "UefiShellTftpCommandLib.h"
#define IP4_CONFIG2_INTERFACE_INFO_NAME_LENGTH 32
/*
Constant strings and definitions related to the message indicating the amount of
progress in the dowloading of a TFTP file.
*/
// Frame for the progression slider
STATIC CONST CHAR16 mTftpProgressFrame[] = L"[ ]";
// Number of steps in the progression slider
#define TFTP_PROGRESS_SLIDER_STEPS ((sizeof (mTftpProgressFrame) / sizeof (CHAR16)) - 3)
// Size in number of characters plus one (final zero) of the message to
// indicate the progress of a TFTP 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 mTftpProgressFrame[] plus 11 characters
// (2 // spaces, "Kb" and seven characters for the number of KBytes).
#define TFTP_PROGRESS_MESSAGE_SIZE ((sizeof (mTftpProgressFrame) / sizeof (CHAR16)) + 12)
// String to delete the TFTP progress message to be able to update it :
// (TFTP_PROGRESS_MESSAGE_SIZE-1) '\b'
STATIC CONST CHAR16 mTftpProgressDelete[] = 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";
/**
Check and convert the UINT16 option values of the 'tftp' 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 gets the size in numbers of bytes of a file from a TFTP
server before to download the file.
@param[in] Mtftp4 MTFTP4 protocol interface
@param[in] FilePath Path of the file, ASCII encoded
@param[out] FileSize Address where to store the file size in number of
bytes.
@retval EFI_SUCCESS The size of the file was returned.
@retval EFI_UNSUPPORTED The server does not support the "tsize" option.
@retval Others Error when retrieving the information from the server
(see EFI_MTFTP4_PROTOCOL.GetInfo() status codes)
or error when parsing the response of the server.
**/
STATIC
EFI_STATUS
GetFileSize (
IN EFI_MTFTP4_PROTOCOL *Mtftp4,
IN CONST CHAR8 *FilePath,
OUT UINTN *FileSize
);
/**
Worker function that download the data of a file from a TFTP server given
the path of the file and its size.
@param[in] Mtftp4 MTFTP4 protocol interface
@param[in] FilePath Path of the file, Unicode encoded
@param[in] AsciiFilePath Path of the file, ASCII encoded
@param[in] FileSize Size of the file in number of bytes
@param[in] BlockSize Value of the TFTP blksize option
@param[out] Data Address where to store the address of the buffer
where the data of the file were downloaded in
case of success.
@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
(see EFI_MTFTP4_PROTOCOL.ReadFile() status codes).
**/
STATIC
EFI_STATUS
DownloadFile (
IN EFI_MTFTP4_PROTOCOL *Mtftp4,
IN CONST CHAR16 *FilePath,
IN CONST CHAR8 *AsciiFilePath,
IN UINTN FileSize,
IN UINT16 BlockSize,
OUT VOID **Data
);
/**
Update the progress of a file download
This procedure is called each time a new TFTP packet is received.
@param[in] This MTFTP4 protocol interface
@param[in] Token Parameters for the download of the file
@param[in] PacketLen Length of the packet
@param[in] Packet Address of the packet
@retval EFI_SUCCESS All packets are accepted.
**/
STATIC
EFI_STATUS
EFIAPI
CheckPacket (
IN EFI_MTFTP4_PROTOCOL *This,
IN EFI_MTFTP4_TOKEN *Token,
IN UINT16 PacketLen,
IN EFI_MTFTP4_PACKET *Packet
);
EFI_MTFTP4_CONFIG_DATA DefaultMtftp4ConfigData = {
TRUE, // Use default setting
{ { 0, 0, 0, 0 } }, // StationIp - Not relevant as UseDefaultSetting=TRUE
{ { 0, 0, 0, 0 } }, // SubnetMask - Not relevant as UseDefaultSetting=TRUE
0, // LocalPort - Automatically assigned port number.
{ { 0, 0, 0, 0 } }, // GatewayIp - Not relevant as UseDefaultSetting=TRUE
{ { 0, 0, 0, 0 } }, // ServerIp - Not known yet
69, // InitialServerPort - Standard TFTP server port
6, // TryCount - Max number of retransmissions.
4 // TimeoutValue - Retransmission timeout in seconds.
};
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
{L"-i", TypeValue},
{L"-l", TypeValue},
{L"-r", TypeValue},
{L"-c", TypeValue},
{L"-t", TypeValue},
{L"-s", TypeValue},
{NULL , TypeMax}
};
///
/// The default block size (512) of tftp is defined in the RFC1350.
///
#define MTFTP_DEFAULT_BLKSIZE 512
///
/// The valid range of block size option is defined in the RFC2348.
///
#define MTFTP_MIN_BLKSIZE 8
#define MTFTP_MAX_BLKSIZE 65464
/**
Function for 'tftp' 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 'tftp' 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 or server
error or file error.
**/
SHELL_STATUS
EFIAPI
ShellCommandRunTftp (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
SHELL_STATUS ShellStatus;
EFI_STATUS Status;
LIST_ENTRY *CheckPackage;
CHAR16 *ProblemParam;
UINTN ParamCount;
CONST CHAR16 *UserNicName;
BOOLEAN NicFound;
CONST CHAR16 *ValueStr;
CONST CHAR16 *RemoteFilePath;
CHAR8 *AsciiRemoteFilePath;
CONST CHAR16 *Walker;
CONST CHAR16 *LocalFilePath;
EFI_MTFTP4_CONFIG_DATA Mtftp4ConfigData;
EFI_HANDLE *Handles;
UINTN HandleCount;
UINTN NicNumber;
CHAR16 NicName[IP4_CONFIG2_INTERFACE_INFO_NAME_LENGTH];
EFI_HANDLE ControllerHandle;
EFI_HANDLE Mtftp4ChildHandle;
EFI_MTFTP4_PROTOCOL *Mtftp4;
UINTN FileSize;
VOID *Data;
SHELL_FILE_HANDLE FileHandle;
UINT16 BlockSize;
ShellStatus = SHELL_INVALID_PARAMETER;
ProblemParam = NULL;
NicFound = FALSE;
AsciiRemoteFilePath = NULL;
Handles = NULL;
FileSize = 0;
BlockSize = MTFTP_DEFAULT_BLKSIZE;
//
// Initialize the Shell library (we must be in non-auto-init...)
//
Status = ShellInitialize ();
if (EFI_ERROR (Status)) {
ASSERT_EFI_ERROR (Status);
return SHELL_ABORTED;
}
//
// Parse the command line.
//
Status = ShellCommandLineParse (ParamList, &CheckPackage, &ProblemParam, TRUE);
if (EFI_ERROR (Status)) {
if ((Status == EFI_VOLUME_CORRUPTED) &&
(ProblemParam != NULL) ) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellTftpHiiHandle,
L"tftp", ProblemParam
);
FreePool (ProblemParam);
} else {
ASSERT (FALSE);
}
goto Error;
}
//
// Check the number of parameters
//
ParamCount = ShellCommandLineGetCount (CheckPackage);
if (ParamCount > 4) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY),
gShellTftpHiiHandle, L"tftp"
);
goto Error;
}
if (ParamCount < 3) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW),
gShellTftpHiiHandle, L"tftp"
);
goto Error;
}
Mtftp4ConfigData = DefaultMtftp4ConfigData;
//
// Check the host IPv4 address
//
ValueStr = ShellCommandLineGetRawValue (CheckPackage, 1);
Status = NetLibStrToIp4 (ValueStr, &Mtftp4ConfigData.ServerIp);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV),
gShellTftpHiiHandle, L"tftp", ValueStr
);
goto Error;
}
RemoteFilePath = ShellCommandLineGetRawValue (CheckPackage, 2);
ASSERT(RemoteFilePath != NULL);
AsciiRemoteFilePath = AllocatePool (
(StrLen (RemoteFilePath) + 1) * sizeof (CHAR8)
);
if (AsciiRemoteFilePath == NULL) {
ShellStatus = SHELL_OUT_OF_RESOURCES;
goto Error;
}
UnicodeStrToAsciiStr (RemoteFilePath, AsciiRemoteFilePath);
if (ParamCount == 4) {
LocalFilePath = ShellCommandLineGetRawValue (CheckPackage, 3);
} else {
Walker = RemoteFilePath + StrLen (RemoteFilePath);
while ((--Walker) >= RemoteFilePath) {
if ((*Walker == L'\\') ||
(*Walker == L'/' ) ) {
break;
}
}
LocalFilePath = Walker + 1;
}
//
// 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, &Mtftp4ConfigData.LocalPort)) {
goto Error;
}
}
ValueStr = ShellCommandLineGetValue (CheckPackage, L"-r");
if (ValueStr != NULL) {
if (!StringToUint16 (ValueStr, &Mtftp4ConfigData.InitialServerPort)) {
goto Error;
}
}
ValueStr = ShellCommandLineGetValue (CheckPackage, L"-c");
if (ValueStr != NULL) {
if (!StringToUint16 (ValueStr, &Mtftp4ConfigData.TryCount)) {
goto Error;
}
}
ValueStr = ShellCommandLineGetValue (CheckPackage, L"-t");
if (ValueStr != NULL) {
if (!StringToUint16 (ValueStr, &Mtftp4ConfigData.TimeoutValue)) {
goto Error;
}
if (Mtftp4ConfigData.TimeoutValue == 0) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV),
gShellTftpHiiHandle, L"tftp", ValueStr
);
goto Error;
}
}
ValueStr = ShellCommandLineGetValue (CheckPackage, L"-s");
if (ValueStr != NULL) {
if (!StringToUint16 (ValueStr, &BlockSize)) {
goto Error;
}
if (BlockSize < MTFTP_MIN_BLKSIZE || BlockSize > MTFTP_MAX_BLKSIZE) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV),
gShellTftpHiiHandle, L"tftp", ValueStr
);
goto Error;
}
}
//
// Locate all MTFTP4 Service Binding protocols
//
ShellStatus = SHELL_NOT_FOUND;
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiManagedNetworkServiceBindingProtocolGuid,
NULL,
&HandleCount,
&Handles
);
if (EFI_ERROR (Status) || (HandleCount == 0)) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_TFTP_ERR_NO_NIC),
gShellTftpHiiHandle
);
goto Error;
}
for (NicNumber = 0;
(NicNumber < HandleCount) && (ShellStatus != SHELL_SUCCESS);
NicNumber++) {
ControllerHandle = Handles[NicNumber];
Data = NULL;
Status = GetNicName (ControllerHandle, NicNumber, NicName);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_TFTP_ERR_NIC_NAME),
gShellTftpHiiHandle, NicNumber, Status
);
continue;
}
if (UserNicName != NULL) {
if (StrCmp (NicName, UserNicName) != 0) {
continue;
}
NicFound = TRUE;
}
Status = CreateServiceChildAndOpenProtocol (
ControllerHandle,
&gEfiMtftp4ServiceBindingProtocolGuid,
&gEfiMtftp4ProtocolGuid,
&Mtftp4ChildHandle,
(VOID**)&Mtftp4
);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_TFTP_ERR_OPEN_PROTOCOL),
gShellTftpHiiHandle, NicName, Status
);
continue;
}
Status = Mtftp4->Configure (Mtftp4, &Mtftp4ConfigData);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_TFTP_ERR_CONFIGURE),
gShellTftpHiiHandle, NicName, Status
);
goto NextHandle;
}
Status = GetFileSize (Mtftp4, AsciiRemoteFilePath, &FileSize);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_TFTP_ERR_FILE_SIZE),
gShellTftpHiiHandle, RemoteFilePath, NicName, Status
);
goto NextHandle;
}
Status = DownloadFile (Mtftp4, RemoteFilePath, AsciiRemoteFilePath, FileSize, BlockSize, &Data);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_TFTP_ERR_DOWNLOAD),
gShellTftpHiiHandle, RemoteFilePath, NicName, Status
);
goto NextHandle;
}
if (!EFI_ERROR (ShellFileExists (LocalFilePath))) {
ShellDeleteFileByName (LocalFilePath);
}
Status = ShellOpenFileByName (
LocalFilePath,
&FileHandle,
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),
gShellTftpHiiHandle, L"tftp", LocalFilePath
);
goto NextHandle;
}
Status = ShellWriteFile (FileHandle, &FileSize, Data);
if (!EFI_ERROR (Status)) {
ShellStatus = SHELL_SUCCESS;
} else {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_TFTP_ERR_WRITE),
gShellTftpHiiHandle, LocalFilePath, Status
);
}
ShellCloseFile (&FileHandle);
NextHandle:
if (Data != NULL) {
gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)Data, EFI_SIZE_TO_PAGES (FileSize));
}
CloseProtocolAndDestroyServiceChild (
ControllerHandle,
&gEfiMtftp4ServiceBindingProtocolGuid,
&gEfiMtftp4ProtocolGuid,
Mtftp4ChildHandle
);
}
if ((UserNicName != NULL) && (!NicFound)) {
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_TFTP_ERR_NIC_NOT_FOUND),
gShellTftpHiiHandle, UserNicName
);
}
Error:
ShellCommandLineFreeVarList (CheckPackage);
if (AsciiRemoteFilePath != NULL) {
FreePool (AsciiRemoteFilePath);
}
if (Handles != NULL) {
FreePool (Handles);
}
return ShellStatus;
}
/**
Check and convert the UINT16 option values of the 'tftp' 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),
gShellTftpHiiHandle, L"tftp", 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
);
}
/**
Worker function that gets the size in numbers of bytes of a file from a TFTP
server before to download the file.
@param[in] Mtftp4 MTFTP4 protocol interface
@param[in] FilePath Path of the file, ASCII encoded
@param[out] FileSize Address where to store the file size in number of
bytes.
@retval EFI_SUCCESS The size of the file was returned.
@retval EFI_UNSUPPORTED The server does not support the "tsize" option.
@retval Others Error when retrieving the information from the server
(see EFI_MTFTP4_PROTOCOL.GetInfo() status codes)
or error when parsing the response of the server.
**/
STATIC
EFI_STATUS
GetFileSize (
IN EFI_MTFTP4_PROTOCOL *Mtftp4,
IN CONST CHAR8 *FilePath,
OUT UINTN *FileSize
)
{
EFI_STATUS Status;
EFI_MTFTP4_OPTION ReqOpt[1];
EFI_MTFTP4_PACKET *Packet;
UINT32 PktLen;
EFI_MTFTP4_OPTION *TableOfOptions;
EFI_MTFTP4_OPTION *Option;
UINT32 OptCnt;
UINT8 OptBuf[128];
ReqOpt[0].OptionStr = (UINT8*)"tsize";
OptBuf[0] = '0';
OptBuf[1] = 0;
ReqOpt[0].ValueStr = OptBuf;
Status = Mtftp4->GetInfo (
Mtftp4,
NULL,
(UINT8*)FilePath,
NULL,
1,
ReqOpt,
&PktLen,
&Packet
);
if (EFI_ERROR (Status)) {
goto Error;
}
Status = Mtftp4->ParseOptions (
Mtftp4,
PktLen,
Packet,
(UINT32 *) &OptCnt,
&TableOfOptions
);
if (EFI_ERROR (Status)) {
goto Error;
}
Option = TableOfOptions;
while (OptCnt != 0) {
if (AsciiStrnCmp ((CHAR8 *)Option->OptionStr, "tsize", 5) == 0) {
*FileSize = AsciiStrDecimalToUintn ((CHAR8 *)Option->ValueStr);
break;
}
OptCnt--;
Option++;
}
FreePool (TableOfOptions);
if (OptCnt == 0) {
Status = EFI_UNSUPPORTED;
}
Error :
return Status;
}
/**
Worker function that download the data of a file from a TFTP server given
the path of the file and its size.
@param[in] Mtftp4 MTFTP4 protocol interface
@param[in] FilePath Path of the file, Unicode encoded
@param[in] AsciiFilePath Path of the file, ASCII encoded
@param[in] FileSize Size of the file in number of bytes
@param[in] BlockSize Value of the TFTP blksize option
@param[out] Data Address where to store the address of the buffer
where the data of the file were downloaded in
case of success.
@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
(see EFI_MTFTP4_PROTOCOL.ReadFile() status codes).
**/
STATIC
EFI_STATUS
DownloadFile (
IN EFI_MTFTP4_PROTOCOL *Mtftp4,
IN CONST CHAR16 *FilePath,
IN CONST CHAR8 *AsciiFilePath,
IN UINTN FileSize,
IN UINT16 BlockSize,
OUT VOID **Data
)
{
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS PagesAddress;
VOID *Buffer;
DOWNLOAD_CONTEXT *TftpContext;
EFI_MTFTP4_TOKEN Mtftp4Token;
EFI_MTFTP4_OPTION ReqOpt;
UINT8 OptBuf[10];
// Downloaded file can be large. BS.AllocatePages() is more faster
// than AllocatePool() and avoid fragmentation.
// The downloaded file could be an EFI application. Marking the
// allocated page as EfiBootServicesCode would allow to execute a
// potential downloaded EFI application.
Status = gBS->AllocatePages (
AllocateAnyPages,
EfiBootServicesCode,
EFI_SIZE_TO_PAGES (FileSize),
&PagesAddress
);
if (EFI_ERROR (Status)) {
return Status;
}
Buffer = (VOID*)(UINTN)PagesAddress;
TftpContext = AllocatePool (sizeof (DOWNLOAD_CONTEXT));
if (TftpContext == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Error;
}
TftpContext->FileSize = FileSize;
TftpContext->DownloadedNbOfBytes = 0;
TftpContext->LastReportedNbOfBytes = 0;
ZeroMem (&Mtftp4Token, sizeof (EFI_MTFTP4_TOKEN));
Mtftp4Token.Filename = (UINT8*)AsciiFilePath;
Mtftp4Token.BufferSize = FileSize;
Mtftp4Token.Buffer = Buffer;
Mtftp4Token.CheckPacket = CheckPacket;
Mtftp4Token.Context = (VOID*)TftpContext;
if (BlockSize != MTFTP_DEFAULT_BLKSIZE) {
ReqOpt.OptionStr = (UINT8 *) "blksize";
AsciiSPrint ((CHAR8 *)OptBuf, sizeof (OptBuf), "%d", BlockSize);
ReqOpt.ValueStr = OptBuf;
Mtftp4Token.OptionCount = 1;
Mtftp4Token.OptionList = &ReqOpt;
}
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_TFTP_DOWNLOADING),
gShellTftpHiiHandle, FilePath
);
Status = Mtftp4->ReadFile (Mtftp4, &Mtftp4Token);
ShellPrintHiiEx (
-1, -1, NULL, STRING_TOKEN (STR_GEN_CRLF),
gShellTftpHiiHandle
);
Error :
if (TftpContext == NULL) {
FreePool (TftpContext);
}
if (EFI_ERROR (Status)) {
gBS->FreePages (PagesAddress, EFI_SIZE_TO_PAGES (FileSize));
return Status;
}
*Data = Buffer;
return EFI_SUCCESS;
}
/**
Update the progress of a file download
This procedure is called each time a new TFTP packet is received.
@param[in] This MTFTP4 protocol interface
@param[in] Token Parameters for the download of the file
@param[in] PacketLen Length of the packet
@param[in] Packet Address of the packet
@retval EFI_SUCCESS All packets are accepted.
**/
STATIC
EFI_STATUS
EFIAPI
CheckPacket (
IN EFI_MTFTP4_PROTOCOL *This,
IN EFI_MTFTP4_TOKEN *Token,
IN UINT16 PacketLen,
IN EFI_MTFTP4_PACKET *Packet
)
{
DOWNLOAD_CONTEXT *Context;
CHAR16 Progress[TFTP_PROGRESS_MESSAGE_SIZE];
UINTN NbOfKb;
UINTN Index;
UINTN LastStep;
UINTN Step;
EFI_STATUS Status;
if ((NTOHS (Packet->OpCode)) != EFI_MTFTP4_OPCODE_DATA) {
return EFI_SUCCESS;
}
Context = (DOWNLOAD_CONTEXT*)Token->Context;
if (Context->DownloadedNbOfBytes == 0) {
ShellPrintEx (-1, -1, L"%s 0 Kb", mTftpProgressFrame);
}
//
// The data in the packet are prepended with two UINT16 :
// . OpCode = EFI_MTFTP4_OPCODE_DATA
// . Block = the number of this block of data
//
Context->DownloadedNbOfBytes += PacketLen - sizeof (Packet->OpCode)
- sizeof (Packet->Data.Block);
NbOfKb = Context->DownloadedNbOfBytes / 1024;
Progress[0] = L'\0';
LastStep = (Context->LastReportedNbOfBytes * TFTP_PROGRESS_SLIDER_STEPS) / Context->FileSize;
Step = (Context->DownloadedNbOfBytes * TFTP_PROGRESS_SLIDER_STEPS) / Context->FileSize;
if (Step <= LastStep) {
return EFI_SUCCESS;
}
ShellPrintEx (-1, -1, L"%s", mTftpProgressDelete);
Status = StrCpyS (Progress, TFTP_PROGRESS_MESSAGE_SIZE, mTftpProgressFrame);
if (EFI_ERROR(Status)) {
return Status;
}
for (Index = 1; Index < Step; Index++) {
Progress[Index] = L'=';
}
Progress[Step] = L'>';
UnicodeSPrint (
Progress + (sizeof (mTftpProgressFrame) / sizeof (CHAR16)) - 1,
sizeof (Progress) - sizeof (mTftpProgressFrame),
L" %7d Kb",
NbOfKb
);
Context->LastReportedNbOfBytes = Context->DownloadedNbOfBytes;
ShellPrintEx (-1, -1, L"%s", Progress);
return EFI_SUCCESS;
}
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