1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
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 **
//** **
//**********************************************************************
//**********************************************************************
//**********************************************************************
|
