mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-26 16:47:40 +01:00
480 lines
15 KiB
C
480 lines
15 KiB
C
/** @file
|
|
Main file for SetVar shell Debug1 function.
|
|
|
|
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
|
|
Copyright (c) 2010 - 2017, 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 "UefiShellDebug1CommandsLib.h"
|
|
|
|
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
|
|
{L"-guid", TypeValue},
|
|
{L"-bs", TypeFlag},
|
|
{L"-rt", TypeFlag},
|
|
{L"-nv", TypeFlag},
|
|
{NULL, TypeMax}
|
|
};
|
|
|
|
typedef enum {
|
|
DataTypeHexNumber = 0,
|
|
DataTypeHexArray = 1,
|
|
DataTypeAscii = 2,
|
|
DataTypeUnicode = 3,
|
|
DataTypeDevicePath = 4,
|
|
DataTypeUnKnow = 5
|
|
} DATA_TYPE;
|
|
|
|
typedef union {
|
|
UINT8 HexNumber8;
|
|
UINT16 HexNumber16;
|
|
UINT32 HexNumber32;
|
|
UINT64 HexNumber64;
|
|
} HEX_NUMBER;
|
|
|
|
/**
|
|
Check if the input is a (potentially empty) string of hexadecimal nibbles.
|
|
|
|
@param[in] String The CHAR16 string to check.
|
|
|
|
@retval FALSE A character has been found in String for which
|
|
ShellIsHexaDecimalDigitCharacter() returned FALSE.
|
|
|
|
@retval TRUE Otherwise. (Note that this covers the case when String is
|
|
empty.)
|
|
**/
|
|
BOOLEAN
|
|
IsStringOfHexNibbles (
|
|
IN CONST CHAR16 *String
|
|
)
|
|
{
|
|
CONST CHAR16 *Pos;
|
|
|
|
for (Pos = String; *Pos != L'\0'; ++Pos) {
|
|
if (!ShellIsHexaDecimalDigitCharacter (*Pos)) {
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
Function to check the TYPE of Data.
|
|
|
|
@param[in] Data The Data to be check.
|
|
|
|
@retval DATA_TYPE The TYPE of Data.
|
|
**/
|
|
DATA_TYPE
|
|
TestDataType (
|
|
IN CONST CHAR16 *Data
|
|
)
|
|
{
|
|
if (Data[0] == L'0' && (Data[1] == L'x' || Data[1] == L'X')) {
|
|
if (IsStringOfHexNibbles (Data+2) && StrLen (Data + 2) <= 16) {
|
|
return DataTypeHexNumber;
|
|
} else {
|
|
return DataTypeUnKnow;
|
|
}
|
|
} else if (Data[0] == L'H') {
|
|
if (IsStringOfHexNibbles (Data + 1) && StrLen (Data + 1) % 2 == 0) {
|
|
return DataTypeHexArray;
|
|
} else {
|
|
return DataTypeUnKnow;
|
|
}
|
|
} else if (Data[0] == L'S') {
|
|
return DataTypeAscii;
|
|
} else if (Data[0] == L'L') {
|
|
return DataTypeUnicode;
|
|
} else if (Data[0] == L'P' || StrnCmp (Data, L"--", 2) == 0) {
|
|
return DataTypeDevicePath;
|
|
}
|
|
|
|
if (IsStringOfHexNibbles (Data) && StrLen (Data) % 2 == 0) {
|
|
return DataTypeHexArray;
|
|
}
|
|
|
|
return DataTypeAscii;
|
|
}
|
|
|
|
/**
|
|
Function to parse the Data by the type of Data, and save in the Buffer.
|
|
|
|
@param[in] Data A pointer to a buffer to be parsed.
|
|
@param[out] Buffer A pointer to a buffer to hold the return data.
|
|
@param[in,out] BufferSize On input, indicates the size of Buffer in bytes.
|
|
On output,indicates the size of data return in Buffer.
|
|
Or the size in bytes of the buffer needed to obtain.
|
|
|
|
@retval EFI_INVALID_PARAMETER The Buffer or BufferSize is NULL.
|
|
@retval EFI_BUFFER_TOO_SMALL The Buffer is too small to hold the data.
|
|
@retval EFI_OUT_OF_RESOURCES A memory allcation failed.
|
|
@retval EFI_SUCCESS The Data parsed successful and save in the Buffer.
|
|
**/
|
|
EFI_STATUS
|
|
ParseParameterData (
|
|
IN CONST CHAR16 *Data,
|
|
OUT VOID *Buffer,
|
|
IN OUT UINTN *BufferSize
|
|
)
|
|
{
|
|
UINT64 HexNumber;
|
|
UINTN HexNumberLen;
|
|
UINTN Size;
|
|
CHAR8 *AsciiBuffer;
|
|
DATA_TYPE DataType;
|
|
EFI_DEVICE_PATH_PROTOCOL *DevPath;
|
|
EFI_STATUS Status;
|
|
|
|
HexNumber = 0;
|
|
HexNumberLen = 0;
|
|
Size = 0;
|
|
AsciiBuffer = NULL;
|
|
DevPath = NULL;
|
|
Status = EFI_SUCCESS;
|
|
|
|
if (Data == NULL || BufferSize == NULL) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
DataType = TestDataType (Data);
|
|
if (DataType == DataTypeHexNumber) {
|
|
//
|
|
// hex number
|
|
//
|
|
StrHexToUint64S (Data + 2, NULL, &HexNumber);
|
|
HexNumberLen = StrLen (Data + 2);
|
|
if (HexNumberLen >= 1 && HexNumberLen <= 2) {
|
|
Size = 1;
|
|
} else if (HexNumberLen >= 3 && HexNumberLen <= 4) {
|
|
Size = 2;
|
|
} else if (HexNumberLen >= 5 && HexNumberLen <= 8) {
|
|
Size = 4;
|
|
} else if (HexNumberLen >= 9 && HexNumberLen <= 16) {
|
|
Size = 8;
|
|
}
|
|
if (Buffer != NULL && *BufferSize >= Size) {
|
|
CopyMem(Buffer, (VOID *)&HexNumber, Size);
|
|
} else {
|
|
Status = EFI_BUFFER_TOO_SMALL;
|
|
}
|
|
*BufferSize = Size;
|
|
} else if (DataType == DataTypeHexArray) {
|
|
//
|
|
// hex array
|
|
//
|
|
if (*Data == L'H') {
|
|
Data = Data + 1;
|
|
}
|
|
|
|
Size = StrLen (Data) / 2;
|
|
if (Buffer != NULL && *BufferSize >= Size) {
|
|
StrHexToBytes(Data, StrLen (Data), (UINT8 *)Buffer, Size);
|
|
} else {
|
|
Status = EFI_BUFFER_TOO_SMALL;
|
|
}
|
|
*BufferSize = Size;
|
|
} else if (DataType == DataTypeAscii) {
|
|
//
|
|
// ascii text
|
|
//
|
|
if (*Data == L'S') {
|
|
Data = Data + 1;
|
|
}
|
|
AsciiBuffer = AllocateZeroPool (StrSize (Data) / 2);
|
|
if (AsciiBuffer == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
} else {
|
|
AsciiSPrint (AsciiBuffer, StrSize (Data) / 2, "%s", (CHAR8 *)Data);
|
|
|
|
Size = StrSize (Data) / 2 - 1;
|
|
if (Buffer != NULL && *BufferSize >= Size) {
|
|
CopyMem (Buffer, AsciiBuffer, Size);
|
|
} else {
|
|
Status = EFI_BUFFER_TOO_SMALL;
|
|
}
|
|
*BufferSize = Size;
|
|
}
|
|
SHELL_FREE_NON_NULL (AsciiBuffer);
|
|
} else if (DataType == DataTypeUnicode) {
|
|
//
|
|
// unicode text
|
|
//
|
|
if (*Data == L'L') {
|
|
Data = Data + 1;
|
|
}
|
|
Size = StrSize (Data) - sizeof (CHAR16);
|
|
if (Buffer != NULL && *BufferSize >= Size) {
|
|
CopyMem (Buffer, Data, Size);
|
|
} else {
|
|
Status = EFI_BUFFER_TOO_SMALL;
|
|
}
|
|
*BufferSize = Size;
|
|
} else if (DataType == DataTypeDevicePath) {
|
|
if (*Data == L'P') {
|
|
Data = Data + 1;
|
|
} else if (StrnCmp (Data, L"--", 2) == 0) {
|
|
Data = Data + 2;
|
|
}
|
|
DevPath = ConvertTextToDevicePath (Data);
|
|
if (DevPath == NULL) {
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_SETVAR_ERROR_DPFT), gShellDebug1HiiHandle, L"setvar");
|
|
Status = EFI_INVALID_PARAMETER;
|
|
} else {
|
|
Size = GetDevicePathSize (DevPath);
|
|
if (Buffer != NULL && *BufferSize >= Size) {
|
|
CopyMem (Buffer, DevPath, Size);
|
|
} else {
|
|
Status = EFI_BUFFER_TOO_SMALL;
|
|
}
|
|
*BufferSize = Size;
|
|
}
|
|
SHELL_FREE_NON_NULL (DevPath);
|
|
} else {
|
|
Status = EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Function to get each data from parameters.
|
|
|
|
@param[in] Package The package of checked values.
|
|
@param[out] Buffer A pointer to a buffer to hold the return data.
|
|
@param[out] BufferSize Indicates the size of data in bytes return in Buffer.
|
|
|
|
@retval EFI_INVALID_PARAMETER Buffer or BufferSize is NULL.
|
|
@retval EFI_OUT_OF_RESOURCES A memory allcation failed.
|
|
@retval EFI_SUCCESS Get each parameter data was successful.
|
|
**/
|
|
EFI_STATUS
|
|
GetVariableDataFromParameter (
|
|
IN CONST LIST_ENTRY *Package,
|
|
OUT UINT8 **Buffer,
|
|
OUT UINTN *BufferSize
|
|
)
|
|
{
|
|
CONST CHAR16 *TempData;
|
|
UINTN Index;
|
|
UINTN TotalSize;
|
|
UINTN Size;
|
|
UINT8 *BufferWalker;
|
|
EFI_STATUS Status;
|
|
|
|
TotalSize = 0;
|
|
Size = 0;
|
|
Status = EFI_SUCCESS;
|
|
|
|
if (BufferSize == NULL || Buffer == NULL || ShellCommandLineGetCount (Package) < 3) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
for (Index = 2; Index < ShellCommandLineGetCount (Package); Index++) {
|
|
TempData = ShellCommandLineGetRawValue (Package, Index);
|
|
ASSERT (TempData != NULL);
|
|
|
|
if (TempData[0] != L'=') {
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"setvar", TempData);
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
TempData = TempData + 1;
|
|
Size = 0;
|
|
Status = ParseParameterData (TempData, NULL, &Size);
|
|
if (EFI_ERROR (Status)) {
|
|
if (Status == EFI_BUFFER_TOO_SMALL) {
|
|
//
|
|
// We expect return EFI_BUFFER_TOO_SMALL when pass 'NULL' as second parameter to the function ParseParameterData.
|
|
//
|
|
TotalSize += Size;
|
|
} else {
|
|
if (Status == EFI_INVALID_PARAMETER) {
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"setvar", TempData);
|
|
} else if (Status == EFI_NOT_FOUND) {
|
|
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_SETVAR_ERROR_DPFT), gShellDebug1HiiHandle, L"setvar");
|
|
}
|
|
return Status;
|
|
}
|
|
}
|
|
}
|
|
|
|
*BufferSize = TotalSize;
|
|
*Buffer = AllocateZeroPool (TotalSize);
|
|
|
|
if (*Buffer == NULL) {
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
} else {
|
|
BufferWalker = *Buffer;
|
|
for (Index = 2; Index < ShellCommandLineGetCount (Package); Index++) {
|
|
TempData = ShellCommandLineGetRawValue (Package, Index);
|
|
TempData = TempData + 1;
|
|
|
|
Size = TotalSize;
|
|
Status = ParseParameterData (TempData, (VOID *)BufferWalker, &Size);
|
|
if (!EFI_ERROR (Status)) {
|
|
BufferWalker = BufferWalker + Size;
|
|
TotalSize = TotalSize - Size;
|
|
} else {
|
|
return Status;
|
|
}
|
|
}
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Function for 'setvar' command.
|
|
|
|
@param[in] ImageHandle Handle to the Image (NULL if Internal).
|
|
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
|
|
**/
|
|
SHELL_STATUS
|
|
EFIAPI
|
|
ShellCommandRunSetVar (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
RETURN_STATUS RStatus;
|
|
LIST_ENTRY *Package;
|
|
CHAR16 *ProblemParam;
|
|
SHELL_STATUS ShellStatus;
|
|
CONST CHAR16 *VariableName;
|
|
EFI_GUID Guid;
|
|
CONST CHAR16 *StringGuid;
|
|
UINT32 Attributes;
|
|
VOID *Buffer;
|
|
UINTN Size;
|
|
UINTN LoopVar;
|
|
|
|
ShellStatus = SHELL_SUCCESS;
|
|
Status = EFI_SUCCESS;
|
|
Buffer = NULL;
|
|
Size = 0;
|
|
Attributes = 0;
|
|
|
|
//
|
|
// initialize the shell lib (we must be in non-auto-init...)
|
|
//
|
|
Status = ShellInitialize();
|
|
// ASSERT_EFI_ERROR(Status);
|
|
|
|
Status = CommandInit();
|
|
// ASSERT_EFI_ERROR(Status);
|
|
if (EFI_ERROR(Status)) {
|
|
return SHELL_UNSUPPORTED;
|
|
|
|
}
|
|
|
|
//
|
|
// parse the command line
|
|
//
|
|
Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
|
|
if (EFI_ERROR(Status)) {
|
|
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"setvar", ProblemParam);
|
|
FreePool(ProblemParam);
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
} /* else {
|
|
ASSERT(FALSE);
|
|
} */
|
|
} else if (ShellCommandLineCheckDuplicate (Package,&ProblemParam) != EFI_SUCCESS) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DUPLICATE), gShellDebug1HiiHandle, L"setvar", ProblemParam);
|
|
FreePool(ProblemParam);
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
} else {
|
|
if (ShellCommandLineGetCount(Package) < 2) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"setvar");
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
} else {
|
|
VariableName = ShellCommandLineGetRawValue(Package, 1);
|
|
if (!ShellCommandLineGetFlag(Package, L"-guid")){
|
|
CopyGuid(&Guid, &gEfiGlobalVariableGuid);
|
|
} else {
|
|
StringGuid = ShellCommandLineGetValue(Package, L"-guid");
|
|
RStatus = StrToGuid (StringGuid, &Guid);
|
|
if (RETURN_ERROR (RStatus) || (StringGuid[GUID_STRING_LENGTH] != L'\0')) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"setvar", StringGuid);
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
}
|
|
}
|
|
|
|
if (ShellCommandLineGetCount(Package) == 2) {
|
|
//
|
|
// Display
|
|
//
|
|
Status = gRT->GetVariable((CHAR16*)VariableName, &Guid, &Attributes, &Size, Buffer);
|
|
if (Status == EFI_BUFFER_TOO_SMALL) {
|
|
Buffer = AllocateZeroPool(Size);
|
|
Status = gRT->GetVariable((CHAR16*)VariableName, &Guid, &Attributes, &Size, Buffer);
|
|
}
|
|
if (!EFI_ERROR(Status) && Buffer != NULL) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_SETVAR_PRINT), gShellDebug1HiiHandle, &Guid, VariableName, Size);
|
|
for (LoopVar = 0; LoopVar < Size; LoopVar++) {
|
|
ShellPrintEx(-1, -1, L"%02x ", ((UINT8*)Buffer)[LoopVar]);
|
|
}
|
|
ShellPrintEx(-1, -1, L"\r\n");
|
|
} else {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SETVAR_ERROR_GET), gShellDebug1HiiHandle, L"setvar", &Guid, VariableName);
|
|
ShellStatus = SHELL_ACCESS_DENIED;
|
|
}
|
|
} else {
|
|
//
|
|
// Create, Delete or Modify.
|
|
//
|
|
Status = gRT->GetVariable((CHAR16*)VariableName, &Guid, &Attributes, &Size, Buffer);
|
|
if (Status == EFI_BUFFER_TOO_SMALL) {
|
|
Buffer = AllocateZeroPool(Size);
|
|
Status = gRT->GetVariable((CHAR16*)VariableName, &Guid, &Attributes, &Size, Buffer);
|
|
}
|
|
if (EFI_ERROR(Status) || Buffer == NULL) {
|
|
//
|
|
// Creating a new variable. determine attributes from command line.
|
|
//
|
|
Attributes = 0;
|
|
if (ShellCommandLineGetFlag(Package, L"-bs")) {
|
|
Attributes |= EFI_VARIABLE_BOOTSERVICE_ACCESS;
|
|
}
|
|
if (ShellCommandLineGetFlag(Package, L"-rt")) {
|
|
Attributes |= EFI_VARIABLE_RUNTIME_ACCESS |
|
|
EFI_VARIABLE_BOOTSERVICE_ACCESS;
|
|
}
|
|
if (ShellCommandLineGetFlag(Package, L"-nv")) {
|
|
Attributes |= EFI_VARIABLE_NON_VOLATILE;
|
|
}
|
|
}
|
|
SHELL_FREE_NON_NULL(Buffer);
|
|
|
|
Size = 0;
|
|
Status = GetVariableDataFromParameter(Package, (UINT8 **)&Buffer, &Size);
|
|
if (!EFI_ERROR(Status)) {
|
|
Status = gRT->SetVariable((CHAR16*)VariableName, &Guid, Attributes, Size, Buffer);
|
|
}
|
|
if (EFI_ERROR(Status)) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_SETVAR_ERROR_SET), gShellDebug1HiiHandle, L"setvar", &Guid, VariableName);
|
|
ShellStatus = SHELL_ACCESS_DENIED;
|
|
} else {
|
|
ASSERT(ShellStatus == SHELL_SUCCESS);
|
|
}
|
|
}
|
|
}
|
|
ShellCommandLineFreeVarList (Package);
|
|
}
|
|
|
|
if (Buffer != NULL) {
|
|
FreePool(Buffer);
|
|
}
|
|
|
|
return (ShellStatus);
|
|
}
|