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audk/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcMtftp.c

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/** @file
Copyright (c) 2007, Intel Corporation
All rights reserved. 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.
Module Name:
PxeBcMtftp.c
Abstract:
PxeBc MTFTP functions
**/
#include "PxeBcImpl.h"
VOID *TokenContext = NULL;
CHAR8 *mMtftpOptions[PXE_MTFTP_OPTION_MAXIMUM_INDEX] = {
"blksize",
"timeout",
"tsize",
"multicast"
};
/**
This is a callback function when packets received/transmitted in Mtftp driver.
@param This Pointer to Mtftp protocol instance
@param Token Pointer to Mtftp token
@param PacketLen Length of Mtftp packet
@param Packet Pointer to Mtftp packet
@return EFI_SUCCESS
@return EFI_ABORTED
**/
EFI_STATUS
PxeBcCheckPacket (
IN EFI_MTFTP4_PROTOCOL *This,
IN EFI_MTFTP4_TOKEN *Token,
IN UINT16 PacketLen,
IN EFI_MTFTP4_PACKET *Packet
)
{
PXEBC_PRIVATE_DATA *Private;
EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL *Callback;
EFI_STATUS Status;
Private = (PXEBC_PRIVATE_DATA *) TokenContext;
Callback = Private->PxeBcCallback;
Status = EFI_SUCCESS;
if (Packet->OpCode == EFI_MTFTP4_OPCODE_ERROR) {
Private->Mode.TftpErrorReceived = TRUE;
Private->Mode.TftpError.ErrorCode = (UINT8) Packet->Error.ErrorCode;
AsciiStrnCpy (Private->Mode.TftpError.ErrorString, (CHAR8 *) Packet->Error.ErrorMessage, 127);
}
if (Callback != NULL) {
Status = Callback->Callback (
Callback,
Private->Function,
TRUE,
PacketLen,
(EFI_PXE_BASE_CODE_PACKET *) Packet
);
if (Status != EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE) {
Status = EFI_ABORTED;
} else {
Status = EFI_SUCCESS;
}
}
return Status;
}
/**
This function is to get size of a file by Tftp.
@param Private Pointer to PxeBc private data
@param Config Pointer to Mtftp configuration data
@param Filename Pointer to file name
@param BlockSize Pointer to block size
@param BufferSize Pointer to buffer size
@return EFI_SUCCESS
@return EFI_NOT_FOUND
@return EFI_DEVICE_ERROR
**/
EFI_STATUS
PxeBcTftpGetFileSize (
IN PXEBC_PRIVATE_DATA *Private,
IN EFI_MTFTP4_CONFIG_DATA *Config,
IN UINT8 *Filename,
IN UINTN *BlockSize,
IN OUT UINT64 *BufferSize
)
{
EFI_MTFTP4_PROTOCOL *Mtftp4;
EFI_MTFTP4_OPTION ReqOpt[2];
EFI_MTFTP4_PACKET *Packet;
EFI_MTFTP4_OPTION *Option;
UINT32 PktLen;
UINT8 OptBuf[128];
UINT32 OptCnt;
EFI_STATUS Status;
*BufferSize = 0;
Status = EFI_DEVICE_ERROR;
Mtftp4 = Private->Mtftp4;
Packet = NULL;
Option = NULL;
PktLen = 0;
OptCnt = 1;
Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
Status = Mtftp4->Configure (Mtftp4, Config);
if (EFI_ERROR (Status)) {
return Status;
}
ReqOpt[0].OptionStr = (UINT8*)mMtftpOptions[PXE_MTFTP_OPTION_TSIZE_INDEX];
UtoA10 (0, (CHAR8 *) OptBuf);
ReqOpt[0].ValueStr = OptBuf;
if (BlockSize != NULL) {
ReqOpt[1].OptionStr = (UINT8*)mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
ReqOpt[1].ValueStr = ReqOpt[0].ValueStr + AsciiStrLen ((CHAR8 *) ReqOpt[0].ValueStr) + 1;
UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[1].ValueStr);
OptCnt++;
}
Status = Mtftp4->GetInfo (
Mtftp4,
FALSE,
Filename,
NULL,
(UINT8) OptCnt,
ReqOpt,
&PktLen,
&Packet
);
if (EFI_ERROR (Status)) {
if (Packet->OpCode == EFI_MTFTP4_OPCODE_ERROR) {
Private->Mode.TftpErrorReceived = TRUE;
Private->Mode.TftpError.ErrorCode = (UINT8) Packet->Error.ErrorCode;
AsciiStrnCpy (Private->Mode.TftpError.ErrorString, (CHAR8 *) Packet->Error.ErrorMessage, 127);
}
goto ON_ERROR;
}
OptCnt = 0;
Status = Mtftp4->ParseOptions (
Mtftp4,
PktLen,
Packet,
(UINT32 *) &OptCnt,
&Option
);
if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
Status = EFI_NOT_FOUND;
while (OptCnt != 0) {
if (AsciiStrnCmp ((CHAR8 *) Option[OptCnt - 1].OptionStr, "tsize", 5) == 0) {
*BufferSize = AtoU64 (Option[OptCnt - 1].ValueStr);
Status = EFI_SUCCESS;
}
OptCnt--;
}
gBS->FreePool (Option);
ON_ERROR:
if (Packet != NULL) {
gBS->FreePool (Packet);
}
Mtftp4->Configure (Mtftp4, NULL);
return Status;
}
/**
This function is to get data of a file by Tftp.
@param Private Pointer to PxeBc private data
@param Config Pointer to Mtftp configuration data
@param Filename Pointer to file name
@param BlockSize Pointer to block size
@param BufferPtr Pointer to buffer
@param BufferSize Pointer to buffer size
@param DontUseBuffer Indicate whether with a receive buffer
@return EFI_SUCCESS
@return EFI_DEVICE_ERROR
**/
EFI_STATUS
PxeBcTftpReadFile (
IN PXEBC_PRIVATE_DATA *Private,
IN EFI_MTFTP4_CONFIG_DATA *Config,
IN UINT8 *Filename,
IN UINTN *BlockSize,
IN UINT8 *BufferPtr,
IN OUT UINT64 *BufferSize,
IN BOOLEAN DontUseBuffer
)
{
EFI_MTFTP4_PROTOCOL *Mtftp4;
EFI_MTFTP4_TOKEN Token;
EFI_MTFTP4_OPTION ReqOpt[1];
UINT32 OptCnt;
UINT8 OptBuf[128];
EFI_STATUS Status;
Status = EFI_DEVICE_ERROR;
Mtftp4 = Private->Mtftp4;
OptCnt = 0;
Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
Status = Mtftp4->Configure (Mtftp4, Config);
if (EFI_ERROR (Status)) {
return Status;
}
if (BlockSize != NULL) {
ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
ReqOpt[0].ValueStr = OptBuf;
UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr);
OptCnt++;
}
Token.Event = NULL;
Token.OverrideData = NULL;
Token.Filename = Filename;
Token.ModeStr = NULL;
Token.OptionCount = OptCnt;
Token.OptionList = ReqOpt;
TokenContext = Private;
if (DontUseBuffer) {
Token.BufferSize = 0;
Token.Buffer = NULL;
} else {
Token.BufferSize = *BufferSize;
Token.Buffer = BufferPtr;
}
Token.CheckPacket = PxeBcCheckPacket;
Token.TimeoutCallback = NULL;
Token.PacketNeeded = NULL;
Status = Mtftp4->ReadFile (Mtftp4, &Token);
*BufferSize = Token.BufferSize;
Mtftp4->Configure (Mtftp4, NULL);
return Status;
}
/**
This function is put data of a file by Tftp.
@param Private Pointer to PxeBc private data
@param Config Pointer to Mtftp configuration data
@param Filename Pointer to file name
@param Overwrite Indicate whether with overwrite attribute
@param BlockSize Pointer to block size
@param BufferPtr Pointer to buffer
@param BufferSize Pointer to buffer size
@return EFI_SUCCESS
@return EFI_DEVICE_ERROR
**/
EFI_STATUS
PxeBcTftpWriteFile (
IN PXEBC_PRIVATE_DATA *Private,
IN EFI_MTFTP4_CONFIG_DATA *Config,
IN UINT8 *Filename,
IN BOOLEAN Overwrite,
IN UINTN *BlockSize,
IN UINT8 *BufferPtr,
IN OUT UINT64 *BufferSize
)
{
EFI_MTFTP4_PROTOCOL *Mtftp4;
EFI_MTFTP4_TOKEN Token;
EFI_MTFTP4_OPTION ReqOpt[1];
UINT32 OptCnt;
UINT8 OptBuf[128];
EFI_STATUS Status;
Status = EFI_DEVICE_ERROR;
Mtftp4 = Private->Mtftp4;
OptCnt = 0;
Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
Status = Mtftp4->Configure (Mtftp4, Config);
if (EFI_ERROR (Status)) {
return Status;
}
if (BlockSize != NULL) {
ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
ReqOpt[0].ValueStr = OptBuf;
UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr);
OptCnt++;
}
Token.Event = NULL;
Token.OverrideData = NULL;
Token.Filename = Filename;
Token.ModeStr = NULL;
Token.OptionCount = OptCnt;
Token.OptionList = ReqOpt;
Token.BufferSize = *BufferSize;
Token.Buffer = BufferPtr;
Token.CheckPacket = PxeBcCheckPacket;
Token.TimeoutCallback = NULL;
Token.PacketNeeded = NULL;
Status = Mtftp4->WriteFile (Mtftp4, &Token);
*BufferSize = Token.BufferSize;
Mtftp4->Configure (Mtftp4, NULL);
return Status;
}
/**
This function is to get data of a directory by Tftp.
@param Private Pointer to PxeBc private data
@param Config Pointer to Mtftp configuration data
@param Filename Pointer to file name
@param BlockSize Pointer to block size
@param BufferPtr Pointer to buffer
@param BufferSize Pointer to buffer size
@param DontUseBuffer Indicate whether with a receive buffer
@return EFI_SUCCES
@return EFI_DEVICE_ERROR
**/
// GC_NOTO: EFI_SUCCESS - add return value to function comment
EFI_STATUS
PxeBcTftpReadDirectory (
IN PXEBC_PRIVATE_DATA *Private,
IN EFI_MTFTP4_CONFIG_DATA *Config,
IN UINT8 *Filename,
IN UINTN *BlockSize,
IN UINT8 *BufferPtr,
IN OUT UINT64 *BufferSize,
IN BOOLEAN DontUseBuffer
)
{
EFI_MTFTP4_PROTOCOL *Mtftp4;
EFI_MTFTP4_TOKEN Token;
EFI_MTFTP4_OPTION ReqOpt[1];
UINT32 OptCnt;
UINT8 OptBuf[128];
EFI_STATUS Status;
Status = EFI_DEVICE_ERROR;
Mtftp4 = Private->Mtftp4;
OptCnt = 0;
Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
Status = Mtftp4->Configure (Mtftp4, Config);
if (EFI_ERROR (Status)) {
return Status;
}
if (BlockSize != NULL) {
ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
ReqOpt[0].ValueStr = OptBuf;
UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr);
OptCnt++;
}
Token.Event = NULL;
Token.OverrideData = NULL;
Token.Filename = Filename;
Token.ModeStr = NULL;
Token.OptionCount = OptCnt;
Token.OptionList = ReqOpt;
TokenContext = Private;
if (DontUseBuffer) {
Token.BufferSize = 0;
Token.Buffer = NULL;
} else {
Token.BufferSize = *BufferSize;
Token.Buffer = BufferPtr;
}
Token.CheckPacket = PxeBcCheckPacket;
Token.TimeoutCallback = NULL;
Token.PacketNeeded = NULL;
Status = Mtftp4->ReadDirectory (Mtftp4, &Token);
*BufferSize = Token.BufferSize;
Mtftp4->Configure (Mtftp4, NULL);
return Status;
}
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