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/** @file
Parse the INI configuration file and pass the information to the recovery driver
so that the driver can perform recovery accordingly.
Copyright (c) 2016, Intel Corporation. All rights reserved.<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 "RecoveryModuleLoadPei.h"
#include <Library/IniParsingLib.h>
#include <Library/PrintLib.h>
#define MAX_LINE_LENGTH 512
/**
Parse Config data file to get the updated data array.
@param[in] DataBuffer Config raw file buffer.
@param[in] BufferSize Size of raw buffer.
@param[in, out] ConfigHeader Pointer to the config header.
@param[in, out] RecoveryArray Pointer to the config of recovery data.
@retval EFI_NOT_FOUND No config data is found.
@retval EFI_OUT_OF_RESOURCES No enough memory is allocated.
@retval EFI_SUCCESS Parse the config file successfully.
**/
EFI_STATUS
ParseRecoveryDataFile (
IN UINT8 *DataBuffer,
IN UINTN BufferSize,
IN OUT CONFIG_HEADER *ConfigHeader,
IN OUT RECOVERY_CONFIG_DATA **RecoveryArray
)
{
EFI_STATUS Status;
CHAR8 *SectionName;
CHAR8 Entry[MAX_LINE_LENGTH];
UINTN Num;
UINTN Index;
EFI_GUID FileGuid;
VOID *Context;
//
// First process the data buffer and get all sections and entries
//
Context = OpenIniFile(DataBuffer, BufferSize);
if (Context == NULL) {
return EFI_INVALID_PARAMETER;
}
//
// Now get NumOfUpdate
//
Status = GetDecimalUintnFromDataFile(
Context,
"Head",
"NumOfRecovery",
&Num
);
if (EFI_ERROR(Status) || (Num == 0)) {
DEBUG((DEBUG_ERROR, "NumOfRecovery not found\n"));
CloseIniFile(Context);
return EFI_NOT_FOUND;
}
ConfigHeader->NumOfRecovery = Num;
*RecoveryArray = AllocateZeroPool ((sizeof (RECOVERY_CONFIG_DATA) * Num));
if (*RecoveryArray == NULL) {
CloseIniFile(Context);
return EFI_OUT_OF_RESOURCES;
}
for (Index = 0 ; Index < ConfigHeader->NumOfRecovery; Index++) {
//
// Get the section name of each update
//
AsciiStrCpyS (Entry, MAX_LINE_LENGTH, "Recovery");
AsciiValueToString(Entry + AsciiStrLen(Entry), 0, Index, 0);
Status = GetStringFromDataFile(
Context,
"Head",
Entry,
&SectionName
);
if (EFI_ERROR(Status) || (SectionName == NULL)) {
DEBUG((DEBUG_ERROR, "[%d] %a not found\n", Index, Entry));
CloseIniFile(Context);
return EFI_NOT_FOUND;
}
//
// The section name of this update has been found.
// Now looks for all the config data of this update
//
//
// FileBuid
//
Status = GetGuidFromDataFile(
Context,
SectionName,
"FileGuid",
&FileGuid
);
if (EFI_ERROR(Status)) {
CloseIniFile(Context);
DEBUG((DEBUG_ERROR, "[%d] FileGuid not found\n", Index));
return EFI_NOT_FOUND;
}
CopyGuid(&((*RecoveryArray)[Index].FileGuid), &FileGuid);
//
// Length
//
Status = GetHexUintnFromDataFile(
Context,
SectionName,
"Length",
&Num
);
if (EFI_ERROR(Status)) {
CloseIniFile(Context);
DEBUG((DEBUG_ERROR, "[%d] Length not found\n", Index));
return EFI_NOT_FOUND;
}
(*RecoveryArray)[Index].Length = Num;
//
// ImageOffset
//
Status = GetHexUintnFromDataFile(
Context,
SectionName,
"ImageOffset",
&Num
);
if (EFI_ERROR(Status)) {
CloseIniFile(Context);
DEBUG((DEBUG_ERROR, "[%d] ImageOffset not found\n", Index));
return EFI_NOT_FOUND;
}
(*RecoveryArray)[Index].ImageOffset = Num;
}
//
// Now all configuration data got. Free those temporary buffers
//
CloseIniFile(Context);
return EFI_SUCCESS;
}
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