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MdeModulePkg/DriverSample: Remove the password related codes 

In current DriverSampleDxe, the sample code of password is
not a good example, so we plan to remove it.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Dandan Bi 2016-11-17 13:15:33 +08:00 committed by Star Zeng
parent 87f04621ad
commit 6bfd7ea7d6
5 changed files with 1 additions and 294 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

262
MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
View File

@ -261,233 +261,6 @@ InternalStopMonitor(
return EFI_SUCCESS;
}
/**
Encode the password using a simple algorithm.
@param Password The string to be encoded.
@param MaxSize The size of the string.
**/
VOID
EncodePassword (
IN CHAR16 *Password,
IN UINTN MaxSize
)
{
UINTN Index;
UINTN Loop;
CHAR16 *Buffer;
CHAR16 *Key;
Key = L"MAR10648567";
Buffer = AllocateZeroPool (MaxSize);
ASSERT (Buffer != NULL);
for (Index = 0; Key[Index] != 0; Index++) {
for (Loop = 0; Loop < (UINT8) (MaxSize / 2); Loop++) {
Buffer[Loop] = (CHAR16) (Password[Loop] ^ Key[Index]);
}
}
CopyMem (Password, Buffer, MaxSize);
FreePool (Buffer);
return ;
}
/**
Validate the user's password.
@param PrivateData This driver's private context data.
@param StringId The user's input.
@retval EFI_SUCCESS The user's input matches the password.
@retval EFI_NOT_READY The user's input does not match the password.
**/
EFI_STATUS
ValidatePassword (
IN DRIVER_SAMPLE_PRIVATE_DATA *PrivateData,
IN EFI_STRING_ID StringId
)
{
EFI_STATUS Status;
UINTN Index;
UINTN BufferSize;
UINTN PasswordMaxSize;
CHAR16 *Password;
CHAR16 *EncodedPassword;
BOOLEAN OldPassword;
//
// Get encoded password first
//
BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
Status = gRT->GetVariable (
VariableName,
&gDriverSampleFormSetGuid,
NULL,
&BufferSize,
&PrivateData->Configuration
);
if (EFI_ERROR (Status)) {
//
// Old password not exist, prompt for new password
//
return EFI_SUCCESS;
}
OldPassword = FALSE;
PasswordMaxSize = sizeof (PrivateData->Configuration.WhatIsThePassword2);
//
// Check whether we have any old password set
//
for (Index = 0; Index < PasswordMaxSize / sizeof (UINT16); Index++) {
if (PrivateData->Configuration.WhatIsThePassword2[Index] != 0) {
OldPassword = TRUE;
break;
}
}
if (!OldPassword) {
//
// Old password not exist, return EFI_SUCCESS to prompt for new password
//
return EFI_SUCCESS;
}
//
// Get user input password
//
Password = HiiGetString (PrivateData->HiiHandle[0], StringId, NULL);
if (Password == NULL) {
return EFI_NOT_READY;
}
if (StrSize (Password) > PasswordMaxSize) {
FreePool (Password);
return EFI_NOT_READY;
}
//
// Validate old password
//
EncodedPassword = AllocateZeroPool (PasswordMaxSize);
ASSERT (EncodedPassword != NULL);
StrnCpyS (EncodedPassword, PasswordMaxSize / sizeof (CHAR16), Password, StrLen (Password));
EncodePassword (EncodedPassword, StrLen (EncodedPassword) * sizeof (CHAR16));
if (CompareMem (EncodedPassword, PrivateData->Configuration.WhatIsThePassword2, PasswordMaxSize) != 0) {
//
// Old password mismatch, return EFI_NOT_READY to prompt for error message
//
Status = EFI_NOT_READY;
} else {
Status = EFI_SUCCESS;
}
FreePool (Password);
FreePool (EncodedPassword);
return Status;
}
/**
Encode the password using a simple algorithm.
@param PrivateData This driver's private context data.
@param StringId The password from User.
@retval EFI_SUCESS The operation is successful.
@return Other value if gRT->SetVariable () fails.
**/
EFI_STATUS
SetPassword (
IN DRIVER_SAMPLE_PRIVATE_DATA *PrivateData,
IN EFI_STRING_ID StringId
)
{
EFI_STATUS Status;
CHAR16 *Password;
CHAR16 *TempPassword;
UINTN PasswordSize;
DRIVER_SAMPLE_CONFIGURATION *Configuration;
UINTN BufferSize;
//
// Get Buffer Storage data from EFI variable
//
BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
Status = gRT->GetVariable (
VariableName,
&gDriverSampleFormSetGuid,
NULL,
&BufferSize,
&PrivateData->Configuration
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get user input password
//
Password = PrivateData->Configuration.WhatIsThePassword2;
PasswordSize = sizeof (PrivateData->Configuration.WhatIsThePassword2);
ZeroMem (Password, PasswordSize);
TempPassword = HiiGetString (PrivateData->HiiHandle[0], StringId, NULL);
if (TempPassword == NULL) {
return EFI_NOT_READY;
}
if (StrSize (TempPassword) > PasswordSize) {
FreePool (TempPassword);
return EFI_NOT_READY;
}
StrnCpyS (Password, PasswordSize / sizeof (CHAR16), TempPassword, StrLen (TempPassword));
FreePool (TempPassword);
//
// Retrieve uncommitted data from Browser
//
Configuration = AllocateZeroPool (sizeof (DRIVER_SAMPLE_CONFIGURATION));
ASSERT (Configuration != NULL);
if (HiiGetBrowserData (&gDriverSampleFormSetGuid, VariableName, sizeof (DRIVER_SAMPLE_CONFIGURATION), (UINT8 *) Configuration)) {
//
// Update password's clear text in the screen
//
CopyMem (Configuration->PasswordClearText, Password, StrSize (Password));
//
// Update uncommitted data of Browser
//
HiiSetBrowserData (
&gDriverSampleFormSetGuid,
VariableName,
sizeof (DRIVER_SAMPLE_CONFIGURATION),
(UINT8 *) Configuration,
NULL
);
}
//
// Free Configuration Buffer
//
FreePool (Configuration);
//
// Set password
//
EncodePassword (Password, StrLen (Password) * 2);
Status = gRT->SetVariable(
VariableName,
&gDriverSampleFormSetGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
sizeof (DRIVER_SAMPLE_CONFIGURATION),
&PrivateData->Configuration
);
return Status;
}
/**
Update names of Name/Value storage to current language.
@ -1728,40 +1501,6 @@ DriverCallback (
HiiFreeOpCodeHandle (EndOpCodeHandle);
break;
case 0x2000:
//
// Only used to update the state.
//
if ((Type == EFI_IFR_TYPE_STRING) && (Value->string == 0) &&
(PrivateData->PasswordState == BROWSER_STATE_SET_PASSWORD)) {
PrivateData->PasswordState = BROWSER_STATE_VALIDATE_PASSWORD;
return EFI_INVALID_PARAMETER;
}
//
// When try to set a new password, user will be chanlleged with old password.
// The Callback is responsible for validating old password input by user,
// If Callback return EFI_SUCCESS, it indicates validation pass.
//
switch (PrivateData->PasswordState) {
case BROWSER_STATE_VALIDATE_PASSWORD:
Status = ValidatePassword (PrivateData, Value->string);
if (Status == EFI_SUCCESS) {
PrivateData->PasswordState = BROWSER_STATE_SET_PASSWORD;
}
break;
case BROWSER_STATE_SET_PASSWORD:
Status = SetPassword (PrivateData, Value->string);
PrivateData->PasswordState = BROWSER_STATE_VALIDATE_PASSWORD;
break;
default:
break;
}
break;
default:
break;
}
@ -1983,7 +1722,6 @@ DriverSampleInit (
mPrivateData->ConfigAccess.ExtractConfig = ExtractConfig;
mPrivateData->ConfigAccess.RouteConfig = RouteConfig;
mPrivateData->ConfigAccess.Callback = DriverCallback;
mPrivateData->PasswordState = BROWSER_STATE_VALIDATE_PASSWORD;
//
// Locate Hii Database protocol

3
MdeModulePkg/Universal/DriverSampleDxe/DriverSample.h
View File

@ -1,6 +1,6 @@
/** @file
Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2007 - 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
@ -84,7 +84,6 @@ typedef struct {
EFI_HII_HANDLE HiiHandle[2];
DRIVER_SAMPLE_CONFIGURATION Configuration;
MY_EFI_VARSTORE_DATA VarStoreConfig;
UINT8 PasswordState;
//
// Name/Value storage Name list

2
MdeModulePkg/Universal/DriverSampleDxe/NVDataStruc.h
View File

@ -34,9 +34,7 @@ Revision History:
#pragma pack(1)
typedef struct {
UINT16 WhatIsThePassword2[20];
UINT16 MyStringData[40];
UINT16 PasswordClearText[20];
UINT16 SomethingHiddenForHtml;
UINT8 HowOldAreYouInYearsManual;
UINT16 HowTallAreYouManual;

20
MdeModulePkg/Universal/DriverSampleDxe/Vfr.vfr
View File

@ -458,26 +458,6 @@ formset
help = STRING_TOKEN(STR_MANUFACTURE_DEFAULT_HELP),
endresetbutton;
string varid = MyIfrNVData.PasswordClearText,
prompt = STRING_TOKEN(STR_MY_STRING_PROMPT),
help = STRING_TOKEN(STR_MY_STRING_HELP),
minsize = 6,
maxsize = 0x14,
default = STRING_TOKEN(STR_MY_STRING_DEFAULT),
endstring;
//
// Interactive password, validate via ConfigAccess.Callback()
//
password varid = MyIfrNVData.WhatIsThePassword2,
prompt = STRING_TOKEN(STR_PASSWORD_CALLBACK_PROMPT),
help = STRING_TOKEN(STR_PASSWORD_HELP),
flags = INTERACTIVE,
key = 0x2000,
minsize = 6,
maxsize = 20,
endpassword;
//
// Sample use case for IFR Security op-code
//

8
MdeModulePkg/Universal/DriverSampleDxe/VfrStrings.uni
View File

@ -111,12 +111,8 @@
#string STR_NUMERIC_HELP3 #language en-US "This is the help for those who are curious about body height. Type how tall you are in a numeric value. The valid range in this case is from 0 to 190. Let's see if you actually read this help and figure that out."
#language fr-FR "Ésta es la ayuda para los que sean demasiado viejos entender la pregunta. Pulse cómo es viejo usted está en años."
#string STR_PASSWORD_CALLBACK_PROMPT #language en-US "Set the system password - Interactive"
#language fr-FR "Cuál es la palabra mágica? - Interactive"
#string STR_PASSWORD_PROMPT #language en-US "Set the system password"
#language fr-FR "Cuál es la palabra mágica?"
#string STR_PASSWORD_HELP #language en-US "This is a system password which will likely be used by the BDS architecture in its platform portion of the code. There is a very simple encryption in this sample and the password will be stored in NVRAM in its encrypted form."
#language fr-FR "Esto es analgous a mí que le pregunta cuál es su palabra de paso."
#string STR_TEXT_SECRUITY_TEST_TEXT #language en-US "Access only permitted for Admin"
#language fr-FR "Access only permitted for Admin"
#string STR_TEXT_SECRUITY_TEST_HELP #language en-US "If this label is not gray, then current user has admin access setup permission. If this label is gray, then current user has no admin access setup permission."
@ -151,10 +147,6 @@
#language fr-FR "Éste es mi mensaje de error contrario."
#string STR_ERROR_POPUP #language en-US "You typed in something bad!"
#language fr-FR "Esto es un mensaje de error del popup."
#string STR_MY_STRING_PROMPT #language en-US "Password you typed in is"
#language fr-FR "Password you typed in is"
#string STR_MY_STRING_HELP #language en-US "This is my string help"
#language fr-FR "This is my string help"
#string STR_MY_STRING_DEFAULT #language en-US "my password"
#language fr-FR "my password"
#string STR_MY_STRING_PROMPT2 #language en-US "String - Interactive"