diff options
Diffstat (limited to 'Board/EM/TCG2/Common/Setup/TPMPwd.c')
| -rw-r--r-- | Board/EM/TCG2/Common/Setup/TPMPwd.c | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/Board/EM/TCG2/Common/Setup/TPMPwd.c b/Board/EM/TCG2/Common/Setup/TPMPwd.c new file mode 100644 index 0000000..07cd976 --- /dev/null +++ b/Board/EM/TCG2/Common/Setup/TPMPwd.c @@ -0,0 +1,346 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** +//********************************************************************** +// $Header: /Alaska/Projects/Intel/Haswell/LynxPoint_SharkBay-DT_Crb_1AQQW/Board/EM/TCG2/Common/Setup/TPMPwd.c 1 7/08/15 4:25a Chienhsieh $ +// +// $Revision: 1 $ +// +// $Date: 7/08/15 4:25a $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/Projects/Intel/Haswell/LynxPoint_SharkBay-DT_Crb_1AQQW/Board/EM/TCG2/Common/Setup/TPMPwd.c $ +// +// 1 7/08/15 4:25a Chienhsieh +// +// 2 6/11/14 4:15p Fredericko +// +// 1 4/21/14 2:18p Fredericko +// +// 1 10/08/13 12:05p Fredericko +// Initial Check-In for Tpm-Next module +// +// 1 7/10/13 5:57p Fredericko +// [TAG] EIP120969 +// [Category] New Feature +// [Description] TCG (TPM20) +// +// 7 10/22/12 1:21a Jittenkumarp +// [TAG] EIP100790 +// [Category] Improvement +// [Description] ActivateApplication in AMITSE delayed if the SoftKbd +// support enabled thereforTPM Message are not displayed +// [Files] AmiTcgPlatformDxe.c, TCG.sdl, TPMPwd.c , AmiTcgPlatform.sdl +// +// 6 11/22/11 6:45p Fredericko +// [TAG] EIP67286 +// [Category] Improvement +// [Description] Separate out how load defaults are handled in setup +// from the TpmPwd.c +// [Files] 1. HandleLoadDefaultsSetup.c +// 2. TcgSetup.cif +// 3. TcgSetup.mak +// 4. TpmPwd.c +// +// 5 10/07/11 6:55p Fredericko +// +// 4 9/03/11 8:07p Fredericko +// +// 3 8/26/11 2:59p Fredericko +// [TAG] EIP67286 +// [Category] Bug Fix +// [Severity] Minor +// [Symptom] Tpm strings will not update probably when load optimize +// defaults is selected in setup +// [RootCause] Tcgsetup.sd did not account for F3 from setup +// [Solution] Fix TcgSetup.sd to update setup that status information +// for TPM will be available after reset. +// [Files] Tcg.sdl, TPMPwd.c, TcgSetup.sd, TcgSetup.uni +// +// 2 3/29/11 1:26p Fredericko +// +// 1 3/28/11 2:58p Fredericko +// [TAG] EIP 54642 +// [Category] Improvement +// [Description] 1. Checkin Files related to TCG function override +// 2. Include TCM and TPM auto detection +// [Files] Affects all TCG files +// +// 7 8/09/10 2:32p Fredericko +// UEFI 2.1 changes +// +// 6 5/19/10 6:25p Fredericko +// Updated AMI Function Headers +// Code Beautification +// EIP 37653 +// +// 5 6/02/09 1:18p Fredericko +// +// 4 4/30/09 6:27p Fredericko +// Updated Header Date +// +// 3 4/30/09 5:47p Fredericko +// AMI company Header Address added +// +// 2 10/01/07 5:33p Fasihm +// Corrected the directive for AMIPostMgr.h to point to the correct +// location. +// +// 1 8/09/07 11:35a Pats +// Added to support password authentication. Requires TSE with capability +// of replacing ProcessConInAvailability through elinks. +// +//********************************************************************** +//************************************************************************* +//<AMI_FHDR_START> +// +// Name: TPMPwd.c +// +// Description: +// Contains functions that handle TPM authentication +// +//<AMI_FHDR_END> +//************************************************************************* + +#include "token.h" +#include <EFI.h> +#include <Protocol/SimpleTextIn.h> +#include <Protocol/EfiOEMBadging.h> +#include <Setup.h> +#include "AMITSEStrTokens.h" +#include "commonoem.h" +#include "Protocol\AMIPostMgr.h" +#include "LogoLib.h" +#include "Mem.h" +#include "HiiLib.h" +#include "PwdLib.h" +#include "KeyMon.h" +#include "bootflow.h" +#include "commonoem.h" +#include "Core\EM\AMITSE\Inc\Variable.h" +#include "TcgPlatformSetupPolicy.h" + +#if EFI_SPECIFICATION_VERSION>0x20000 && !defined(GUID_VARIABLE_DEFINITION) + #include "Include\UefiHii.h" + #include "Protocol/HiiDatabase.h" + #include "Protocol/HiiString.h" +#else + #include "Protocol/HII.h" +#endif + +#if TPM_PASSWORD_AUTHENTICATION +#define TCG_PASSWORD_AUTHENTICATION_GUID \ + {0xB093BDD6, 0x2DE2, 0x4871, 0x87, 0x68, 0xEE, 0x1D, 0xA5, 0x72, 0x49, 0xB4 } +EFI_GUID TcgPasswordAuthenticationGuid = TCG_PASSWORD_AUTHENTICATION_GUID; +#endif + +extern EFI_BOOT_SERVICES *gBS; +extern EFI_SYSTEM_TABLE *gST; +extern EFI_RUNTIME_SERVICES *gRT; + + +typedef struct +{ UINT16 VID; + UINT16 DID; +} TCM_ID_STRUC; + + +TCM_ID_STRUC TCMSupportedArray[NUMBER_OF_SUPPORTED_TCM_DEVICES]={ + {SUPPORTED_TCM_DEVICE_1_VID,SUPPORTED_TCM_DEVICE_1_DID}, //ZTEIC + {SUPPORTED_TCM_DEVICE_2_VID,SUPPORTED_TCM_DEVICE_2_DID} //ZTEIC2 +}; + + + +//**************************************************************************************** +//<AMI_PHDR_START> +// +// Procedure: TCGProcessConInAvailability +// +// Description: This is a replacement for the ProcessConInAvailability +// hook in TSE, to provide password verification in the +// TCG eModule. +// This function is a hook called when TSE determines +// that console is available. This function is available +// as ELINK. In the generic implementation boot password +// is prompted in this function. +// +// +// Input: VOID +// +// Output: BOOLEAN +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//**************************************************************************************** +BOOLEAN TCGProcessConInAvailability ( + EFI_EVENT Event, + VOID *Context ) +{ + CHAR16 *text = NULL; + UINTN NoOfRetries; + UINT32 PasswordInstalled = AMI_PASSWORD_NONE; + UINTN Index; + EFI_INPUT_KEY Key; + BOOLEAN bScreenUsed = FALSE; + UINTN VariableSize = sizeof(UINT32); + UINT32 VariableData; + BOOLEAN PasswordRequest = FALSE; + EFI_GUID TcgEfiGlobalVariableGuid = TCG_EFI_GLOBAL_VARIABLE_GUID; + EFI_STATUS Status; + + Status = gRT->GetVariable( + L"AskPassword", + &TcgEfiGlobalVariableGuid, + NULL, + &VariableSize, + &VariableData + ); + + if ( VariableData == 0x58494d41 ) // "AMIX" + { + PasswordRequest = TRUE; + } + + PasswordInstalled = PasswordCheckInstalled( ); + NoOfRetries = 3; + + #if SETUP_USER_PASSWORD_POLICY + + if ((PasswordInstalled & AMI_PASSWORD_USER) || (PasswordRequest)) + { + #else + + if ((PasswordInstalled & AMI_PASSWORD_ANY) || (PasswordRequest)) + { + #endif + + bScreenUsed = TRUE; + + if ( AMI_PASSWORD_NONE == + CheckSystemPassword( AMI_PASSWORD_NONE, &NoOfRetries, NULL )) + { + while ( 1 ) + { + //Patch + //Ctl-Alt-Del is not recognized by core unless a + //ReadKeyStroke is issued + gBS->WaitForEvent( 1, &(gST->ConIn->WaitForKey), &Index ); + gST->ConIn->ReadKeyStroke( gST->ConIn, &Key ); + } + } + } + + return bScreenUsed; +} + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// Procedure: AutoSupportType +// +// Description: verifies support for a TCM module on a platform +// +// Input: NONE +// +// Output: BOOLEAN +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +extern +BOOLEAN +__stdcall AutoSupportType () +{ +#if TCG_LEGACY == 0 + UINTN i=0; + + for(i=0;i<(sizeof(TCMSupportedArray)/sizeof(TCM_ID_STRUC));i++){ + if((TCMSupportedArray[i].VID == *(UINT16 *)(UINTN)(PORT_TPM_IOMEMBASE + 0xF00)) && + (TCMSupportedArray[i].DID == *(UINT16 *)(UINTN)(PORT_TPM_IOMEMBASE + 0xF02))){ + return TRUE; + } + } +#endif + return FALSE; +} + +//**************************************************************************************** +//<AMI_PHDR_START> +// +// Procedure: PasswordAuthentication +// +// Description: This function is available as ELINK. In will create a Event for password +// authenication +// +// +// Input: VOID +// +// Output: +// Notes: +//<AMI_PHDR_END> +//**************************************************************************************** + +VOID PasswordAuthentication( VOID ) +{ + EFI_STATUS Status; + VOID *Registration; + EFI_EVENT Event; + + Status = gBS->CreateEvent ( + EVT_NOTIFY_SIGNAL, + TPL_CALLBACK, + TCGProcessConInAvailability, + NULL, + &Event + ); + if(EFI_ERROR(Status)) { + return ; + } + + Status = gBS->RegisterProtocolNotify ( + &TcgPasswordAuthenticationGuid, + Event, + &Registration + ); + if(EFI_ERROR(Status)) { + return ; + } + +} + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** +//********************************************************************** |