/
DLGCODE.C
9848 lines (7692 loc) · 253 KB
/
DLGCODE.C
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
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
Legal Notice: Some portions of the source code contained in this file were
derived from the source code of Encryption for the Masses 2.02a, which is
Copyright (c) 1998-2000 Paul Le Roux and which is governed by the 'License
Agreement for Encryption for the Masses'. Modifications and additions to
the original source code (contained in this file) and all other portions
of this file are Copyright (c) 2003-2012 TrueCrypt Developers Association
and are governed by the TrueCrypt License 3.0 the full text of which is
contained in the file License.txt included in TrueCrypt binary and source
code distribution packages. */
#include "Tcdefs.h"
#include <windowsx.h>
#include <dbghelp.h>
#include <dbt.h>
#include <fcntl.h>
#include <io.h>
#include <math.h>
#include <shlobj.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <time.h>
#include "Resource.h"
#include "Platform/Finally.h"
#include "Platform/ForEach.h"
#include "Apidrvr.h"
#include "BootEncryption.h"
#include "Combo.h"
#include "Crc.h"
#include "Crypto.h"
#include "Dictionary.h"
#include "Dlgcode.h"
#include "EncryptionThreadPool.h"
#include "Endian.h"
#include "Format/Inplace.h"
#include "Language.h"
#include "Keyfiles.h"
#include "Pkcs5.h"
#include "Random.h"
#include "Registry.h"
#include "SecurityToken.h"
#include "Tests.h"
#include "Volumes.h"
#include "Wipe.h"
#include "Xml.h"
#include "Xts.h"
#include "Boot/Windows/BootCommon.h"
#ifdef TCMOUNT
#include "Mount/Mount.h"
#endif
#ifdef VOLFORMAT
#include "Format/Tcformat.h"
#endif
#ifdef SETUP
#include "Setup/Setup.h"
#endif
using namespace TrueCrypt;
LONG DriverVersion;
char *LastDialogId;
char szHelpFile[TC_MAX_PATH];
char szHelpFile2[TC_MAX_PATH];
char SecurityTokenLibraryPath[TC_MAX_PATH];
HFONT hFixedDigitFont = NULL;
HFONT hBoldFont = NULL;
HFONT hTitleFont = NULL;
HFONT hFixedFont = NULL;
HFONT hUserFont = NULL;
HFONT hUserUnderlineFont = NULL;
HFONT hUserBoldFont = NULL;
HFONT hUserUnderlineBoldFont = NULL;
HFONT WindowTitleBarFont;
int ScreenDPI = USER_DEFAULT_SCREEN_DPI;
double DPIScaleFactorX = 1;
double DPIScaleFactorY = 1;
double DlgAspectRatio = 1;
HWND MainDlg = NULL;
wchar_t *lpszTitle = NULL;
BOOL Silent = FALSE;
BOOL bPreserveTimestamp = TRUE;
BOOL bStartOnLogon = FALSE;
BOOL bMountDevicesOnLogon = FALSE;
BOOL bMountFavoritesOnLogon = FALSE;
BOOL bHistory = FALSE;
// Status of detection of hidden sectors (whole-system-drive encryption).
// 0 - Unknown/undetermined/completed, 1: Detection is or was in progress (but did not complete e.g. due to system crash).
int HiddenSectorDetectionStatus = 0;
OSVersionEnum nCurrentOS = WIN_UNKNOWN;
int CurrentOSMajor = 0;
int CurrentOSMinor = 0;
int CurrentOSServicePack = 0;
BOOL RemoteSession = FALSE;
BOOL UacElevated = FALSE;
BOOL bPortableModeConfirmed = FALSE; // TRUE if it is certain that the instance is running in portable mode
BOOL bInPlaceEncNonSysPending = FALSE; // TRUE if the non-system in-place encryption config file indicates that one or more partitions are scheduled to be encrypted. This flag is set only when config files are loaded during app startup.
/* Globals used by Mount and Format (separately per instance) */
BOOL KeyFilesEnable = FALSE;
KeyFile *FirstKeyFile = NULL;
KeyFilesDlgParam defaultKeyFilesParam;
BOOL IgnoreWmDeviceChange = FALSE;
BOOL DeviceChangeBroadcastDisabled = FALSE;
BOOL LastMountedVolumeDirty;
BOOL MountVolumesAsSystemFavorite = FALSE;
BOOL FavoriteMountOnArrivalInProgress = FALSE;
BOOL MultipleMountOperationInProgress = FALSE;
/* Handle to the device driver */
HANDLE hDriver = INVALID_HANDLE_VALUE;
/* This mutex is used to prevent multiple instances of the wizard or main app from dealing with system encryption */
volatile HANDLE hSysEncMutex = NULL;
/* This mutex is used for non-system in-place encryption but only for informative (non-blocking) purposes,
such as whether an app should prompt the user whether to resume scheduled process. */
volatile HANDLE hNonSysInplaceEncMutex = NULL;
/* This mutex is used to prevent multiple instances of the wizard or main app from trying to install or
register the driver or from trying to launch it in portable mode at the same time. */
volatile HANDLE hDriverSetupMutex = NULL;
/* This mutex is used to prevent users from running the main TrueCrypt app or the wizard while an instance
of the TrueCrypt installer is running (which is also useful for enforcing restart before the apps can be used). */
volatile HANDLE hAppSetupMutex = NULL;
HINSTANCE hInst = NULL;
HCURSOR hCursor = NULL;
ATOM hDlgClass, hSplashClass;
/* This value may changed only by calling ChangeSystemEncryptionStatus(). Only the wizard can change it
(others may still read it though). */
int SystemEncryptionStatus = SYSENC_STATUS_NONE;
/* Only the wizard can change this value (others may only read it). */
WipeAlgorithmId nWipeMode = TC_WIPE_NONE;
BOOL bSysPartitionSelected = FALSE; /* TRUE if the user selected the system partition via the Select Device dialog */
BOOL bSysDriveSelected = FALSE; /* TRUE if the user selected the system drive via the Select Device dialog */
/* To populate these arrays, call GetSysDevicePaths(). If they contain valid paths, bCachedSysDevicePathsValid is TRUE. */
char SysPartitionDevicePath [TC_MAX_PATH];
char SysDriveDevicePath [TC_MAX_PATH];
string ExtraBootPartitionDevicePath;
char bCachedSysDevicePathsValid = FALSE;
BOOL bHyperLinkBeingTracked = FALSE;
int WrongPwdRetryCounter = 0;
static FILE *ConfigFileHandle;
char *ConfigBuffer;
BOOL SystemFileSelectorCallPending = FALSE;
DWORD SystemFileSelectorCallerThreadId;
#define RANDPOOL_DISPLAY_REFRESH_INTERVAL 30
#define RANDPOOL_DISPLAY_ROWS 16
#define RANDPOOL_DISPLAY_COLUMNS 20
/* Windows dialog class */
#define WINDOWS_DIALOG_CLASS "#32770"
/* Custom class names */
#define TC_DLG_CLASS "CustomDlg"
#define TC_SPLASH_CLASS "SplashDlg"
/* Benchmarks */
#ifndef SETUP
#define BENCHMARK_MAX_ITEMS 100
#define BENCHMARK_DEFAULT_BUF_SIZE BYTES_PER_MB
#define HASH_FNC_BENCHMARKS FALSE // For development purposes only. Must be FALSE when building a public release.
#define PKCS5_BENCHMARKS FALSE // For development purposes only. Must be FALSE when building a public release.
#if PKCS5_BENCHMARKS && HASH_FNC_BENCHMARKS
#error PKCS5_BENCHMARKS and HASH_FNC_BENCHMARKS are both TRUE (at least one of them should be FALSE).
#endif
enum
{
BENCHMARK_SORT_BY_NAME = 0,
BENCHMARK_SORT_BY_SPEED
};
typedef struct
{
int id;
char name[100];
unsigned __int64 encSpeed;
unsigned __int64 decSpeed;
unsigned __int64 meanBytesPerSec;
} BENCHMARK_REC;
BENCHMARK_REC benchmarkTable [BENCHMARK_MAX_ITEMS];
int benchmarkTotalItems = 0;
int benchmarkBufferSize = BENCHMARK_DEFAULT_BUF_SIZE;
int benchmarkLastBufferSize = BENCHMARK_DEFAULT_BUF_SIZE;
int benchmarkSortMethod = BENCHMARK_SORT_BY_SPEED;
LARGE_INTEGER benchmarkPerformanceFrequency;
#endif // #ifndef SETUP
typedef struct
{
void *strings;
BOOL bold;
} MULTI_CHOICE_DLGPROC_PARAMS;
void cleanup ()
{
/* Cleanup the GDI fonts */
if (hFixedFont != NULL)
DeleteObject (hFixedFont);
if (hFixedDigitFont != NULL)
DeleteObject (hFixedDigitFont);
if (hBoldFont != NULL)
DeleteObject (hBoldFont);
if (hTitleFont != NULL)
DeleteObject (hTitleFont);
if (hUserFont != NULL)
DeleteObject (hUserFont);
if (hUserUnderlineFont != NULL)
DeleteObject (hUserUnderlineFont);
if (hUserBoldFont != NULL)
DeleteObject (hUserBoldFont);
if (hUserUnderlineBoldFont != NULL)
DeleteObject (hUserUnderlineBoldFont);
/* Cleanup our dialog class */
if (hDlgClass)
UnregisterClass (TC_DLG_CLASS, hInst);
if (hSplashClass)
UnregisterClass (TC_SPLASH_CLASS, hInst);
/* Close the device driver handle */
if (hDriver != INVALID_HANDLE_VALUE)
{
// Unload driver mode if possible (non-install mode)
if (IsNonInstallMode ())
{
// If a dismount was forced in the lifetime of the driver, Windows may later prevent it to be loaded again from
// the same path. Therefore, the driver will not be unloaded even though it was loaded in non-install mode.
int driverUnloadDisabled;
DWORD dwResult;
if (!DeviceIoControl (hDriver, TC_IOCTL_IS_DRIVER_UNLOAD_DISABLED, NULL, 0, &driverUnloadDisabled, sizeof (driverUnloadDisabled), &dwResult, NULL))
driverUnloadDisabled = 0;
if (!driverUnloadDisabled)
DriverUnload ();
else
{
CloseHandle (hDriver);
hDriver = INVALID_HANDLE_VALUE;
}
}
else
{
CloseHandle (hDriver);
hDriver = INVALID_HANDLE_VALUE;
}
}
if (ConfigBuffer != NULL)
{
free (ConfigBuffer);
ConfigBuffer = NULL;
}
CoUninitialize ();
CloseSysEncMutex ();
#ifndef SETUP
try
{
if (SecurityToken::IsInitialized())
SecurityToken::CloseLibrary();
}
catch (...) { }
EncryptionThreadPoolStop();
#endif
}
void LowerCaseCopy (char *lpszDest, const char *lpszSource)
{
int i = strlen (lpszSource);
lpszDest[i] = 0;
while (--i >= 0)
{
lpszDest[i] = (char) tolower (lpszSource[i]);
}
}
void UpperCaseCopy (char *lpszDest, const char *lpszSource)
{
int i = strlen (lpszSource);
lpszDest[i] = 0;
while (--i >= 0)
{
lpszDest[i] = (char) toupper (lpszSource[i]);
}
}
std::string ToUpperCase (const std::string &str)
{
string u;
foreach (char c, str)
{
u += (char) toupper (c);
}
return u;
}
BOOL IsVolumeDeviceHosted (const char *lpszDiskFile)
{
return strstr (lpszDiskFile, "\\Device\\") == lpszDiskFile
|| strstr (lpszDiskFile, "\\DEVICE\\") == lpszDiskFile;
}
void CreateFullVolumePath (char *lpszDiskFile, const char *lpszFileName, BOOL * bDevice)
{
UpperCaseCopy (lpszDiskFile, lpszFileName);
*bDevice = FALSE;
if (memcmp (lpszDiskFile, "\\DEVICE", sizeof (char) * 7) == 0)
{
*bDevice = TRUE;
}
strcpy (lpszDiskFile, lpszFileName);
#if _DEBUG
OutputDebugString ("CreateFullVolumePath: ");
OutputDebugString (lpszDiskFile);
OutputDebugString ("\n");
#endif
}
int FakeDosNameForDevice (const char *lpszDiskFile, char *lpszDosDevice, char *lpszCFDevice, BOOL bNameOnly)
{
BOOL bDosLinkCreated = TRUE;
sprintf (lpszDosDevice, "truecrypt%lu", GetCurrentProcessId ());
if (bNameOnly == FALSE)
bDosLinkCreated = DefineDosDevice (DDD_RAW_TARGET_PATH, lpszDosDevice, lpszDiskFile);
if (bDosLinkCreated == FALSE)
return ERR_OS_ERROR;
else
sprintf (lpszCFDevice, "\\\\.\\%s", lpszDosDevice);
return 0;
}
int RemoveFakeDosName (char *lpszDiskFile, char *lpszDosDevice)
{
BOOL bDosLinkRemoved = DefineDosDevice (DDD_RAW_TARGET_PATH | DDD_EXACT_MATCH_ON_REMOVE |
DDD_REMOVE_DEFINITION, lpszDosDevice, lpszDiskFile);
if (bDosLinkRemoved == FALSE)
{
return ERR_OS_ERROR;
}
return 0;
}
void AbortProcess (char *stringId)
{
// Note that this function also causes localcleanup() to be called (see atexit())
MessageBeep (MB_ICONEXCLAMATION);
MessageBoxW (NULL, GetString (stringId), lpszTitle, ICON_HAND);
exit (1);
}
void AbortProcessSilent (void)
{
// Note that this function also causes localcleanup() to be called (see atexit())
exit (1);
}
#pragma warning(push)
#pragma warning(disable:4702)
void *err_malloc (size_t size)
{
void *z = (void *) TCalloc (size);
if (z)
return z;
AbortProcess ("OUTOFMEMORY");
return 0;
}
#pragma warning(pop)
char *err_strdup (char *lpszText)
{
int j = (strlen (lpszText) + 1) * sizeof (char);
char *z = (char *) err_malloc (j);
memmove (z, lpszText, j);
return z;
}
BOOL IsDiskReadError (DWORD error)
{
return (error == ERROR_CRC
|| error == ERROR_IO_DEVICE
|| error == ERROR_BAD_CLUSTERS
|| error == ERROR_SECTOR_NOT_FOUND
|| error == ERROR_READ_FAULT
|| error == ERROR_INVALID_FUNCTION // I/O error may be reported as ERROR_INVALID_FUNCTION by buggy chipset drivers
|| error == ERROR_SEM_TIMEOUT); // I/O operation timeout may be reported as ERROR_SEM_TIMEOUT
}
BOOL IsDiskWriteError (DWORD error)
{
return (error == ERROR_IO_DEVICE
|| error == ERROR_BAD_CLUSTERS
|| error == ERROR_SECTOR_NOT_FOUND
|| error == ERROR_WRITE_FAULT
|| error == ERROR_INVALID_FUNCTION // I/O error may be reported as ERROR_INVALID_FUNCTION by buggy chipset drivers
|| error == ERROR_SEM_TIMEOUT); // I/O operation timeout may be reported as ERROR_SEM_TIMEOUT
}
BOOL IsDiskError (DWORD error)
{
return IsDiskReadError (error) || IsDiskWriteError (error);
}
DWORD handleWin32Error (HWND hwndDlg)
{
PWSTR lpMsgBuf;
DWORD dwError = GetLastError ();
if (Silent || dwError == 0 || dwError == ERROR_INVALID_WINDOW_HANDLE)
return dwError;
// Access denied
if (dwError == ERROR_ACCESS_DENIED && !IsAdmin ())
{
Error ("ERR_ACCESS_DENIED");
SetLastError (dwError); // Preserve the original error code
return dwError;
}
FormatMessageW (
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
dwError,
MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default language */
(PWSTR) &lpMsgBuf,
0,
NULL
);
MessageBoxW (hwndDlg, lpMsgBuf, lpszTitle, ICON_HAND);
LocalFree (lpMsgBuf);
// User-friendly hardware error explanation
if (IsDiskError (dwError))
Error ("ERR_HARDWARE_ERROR");
// Device not ready
if (dwError == ERROR_NOT_READY)
HandleDriveNotReadyError();
SetLastError (dwError); // Preserve the original error code
return dwError;
}
BOOL translateWin32Error (wchar_t *lpszMsgBuf, int nWSizeOfBuf)
{
DWORD dwError = GetLastError ();
if (FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM, NULL, dwError,
MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default language */
lpszMsgBuf, nWSizeOfBuf, NULL))
{
SetLastError (dwError); // Preserve the original error code
return TRUE;
}
SetLastError (dwError); // Preserve the original error code
return FALSE;
}
// If the user has a non-default screen DPI, all absolute font sizes must be
// converted using this function.
int CompensateDPIFont (int val)
{
if (ScreenDPI == USER_DEFAULT_SCREEN_DPI)
return val;
else
{
double tmpVal = (double) val * DPIScaleFactorY * DlgAspectRatio * 0.999;
if (tmpVal > 0)
return (int) floor(tmpVal);
else
return (int) ceil(tmpVal);
}
}
// If the user has a non-default screen DPI, some screen coordinates and sizes must
// be converted using this function
int CompensateXDPI (int val)
{
if (ScreenDPI == USER_DEFAULT_SCREEN_DPI)
return val;
else
{
double tmpVal = (double) val * DPIScaleFactorX;
if (tmpVal > 0)
return (int) floor(tmpVal);
else
return (int) ceil(tmpVal);
}
}
// If the user has a non-default screen DPI, some screen coordinates and sizes must
// be converted using this function
int CompensateYDPI (int val)
{
if (ScreenDPI == USER_DEFAULT_SCREEN_DPI)
return val;
else
{
double tmpVal = (double) val * DPIScaleFactorY;
if (tmpVal > 0)
return (int) floor(tmpVal);
else
return (int) ceil(tmpVal);
}
}
int GetTextGfxWidth (HWND hwndDlgItem, const wchar_t *text, HFONT hFont)
{
SIZE sizes;
TEXTMETRIC textMetrics;
HDC hdc = GetDC (hwndDlgItem);
SelectObject(hdc, (HGDIOBJ) hFont);
GetTextExtentPoint32W (hdc, text, wcslen (text), &sizes);
GetTextMetrics(hdc, &textMetrics); // Necessary for non-TrueType raster fonts (tmOverhang)
ReleaseDC (hwndDlgItem, hdc);
return ((int) sizes.cx - (int) textMetrics.tmOverhang);
}
int GetTextGfxHeight (HWND hwndDlgItem, const wchar_t *text, HFONT hFont)
{
SIZE sizes;
HDC hdc = GetDC (hwndDlgItem);
SelectObject(hdc, (HGDIOBJ) hFont);
GetTextExtentPoint32W (hdc, text, wcslen (text), &sizes);
ReleaseDC (hwndDlgItem, hdc);
return ((int) sizes.cy);
}
std::string FitPathInGfxWidth (HWND hwnd, HFONT hFont, LONG width, const std::string &path)
{
string newPath;
RECT rect;
rect.left = 0;
rect.top = 0;
rect.right = width;
rect.bottom = LONG_MAX;
HDC hdc = GetDC (hwnd);
SelectObject (hdc, (HGDIOBJ) hFont);
char pathBuf[TC_MAX_PATH];
strcpy_s (pathBuf, sizeof (pathBuf), path.c_str());
if (DrawText (hdc, pathBuf, path.size(), &rect, DT_CALCRECT | DT_MODIFYSTRING | DT_PATH_ELLIPSIS | DT_SINGLELINE) != 0)
newPath = pathBuf;
ReleaseDC (hwnd, hdc);
return newPath;
}
static LRESULT CALLBACK HyperlinkProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
WNDPROC wp = (WNDPROC) GetWindowLongPtr (hwnd, GWLP_USERDATA);
switch (message)
{
case WM_SETCURSOR:
if (!bHyperLinkBeingTracked)
{
TRACKMOUSEEVENT trackMouseEvent;
trackMouseEvent.cbSize = sizeof(trackMouseEvent);
trackMouseEvent.dwFlags = TME_LEAVE;
trackMouseEvent.hwndTrack = hwnd;
bHyperLinkBeingTracked = TrackMouseEvent(&trackMouseEvent);
HandCursor();
}
return 0;
case WM_MOUSELEAVE:
bHyperLinkBeingTracked = FALSE;
NormalCursor();
return 0;
}
return CallWindowProc (wp, hwnd, message, wParam, lParam);
}
BOOL ToHyperlink (HWND hwndDlg, UINT ctrlId)
{
return ToCustHyperlink (hwndDlg, ctrlId, hUserUnderlineFont);
}
BOOL ToCustHyperlink (HWND hwndDlg, UINT ctrlId, HFONT hFont)
{
HWND hwndCtrl = GetDlgItem (hwndDlg, ctrlId);
SendMessage (hwndCtrl, WM_SETFONT, (WPARAM) hFont, 0);
SetWindowLongPtr (hwndCtrl, GWLP_USERDATA, (LONG_PTR) GetWindowLongPtr (hwndCtrl, GWLP_WNDPROC));
SetWindowLongPtr (hwndCtrl, GWLP_WNDPROC, (LONG_PTR) HyperlinkProc);
// Resize the field according to its actual size in pixels and move it if centered or right-aligned.
// This should be done again if the link text changes.
AccommodateTextField (hwndDlg, ctrlId, TRUE, hFont);
return TRUE;
}
// Resizes a text field according to its actual width and height in pixels (font size is taken into account) and moves
// it accordingly if the field is centered or right-aligned. Should be used on all hyperlinks upon dialog init
// after localization (bFirstUpdate should be TRUE) and later whenever a hyperlink text changes (bFirstUpdate
// must be FALSE).
void AccommodateTextField (HWND hwndDlg, UINT ctrlId, BOOL bFirstUpdate, HFONT hFont)
{
RECT rec, wrec, trec;
HWND hwndCtrl = GetDlgItem (hwndDlg, ctrlId);
int width, origWidth, height, origHeight;
int horizSubOffset, vertSubOffset, vertOffset, alignPosDiff = 0;
wchar_t text [MAX_URL_LENGTH];
WINDOWINFO windowInfo;
BOOL bBorderlessWindow = !(GetWindowLongPtr (hwndDlg, GWL_STYLE) & (WS_BORDER | WS_DLGFRAME));
// Resize the field according to its length and font size and move if centered or right-aligned
GetWindowTextW (hwndCtrl, text, sizeof (text) / sizeof (wchar_t));
width = GetTextGfxWidth (hwndCtrl, text, hFont);
height = GetTextGfxHeight (hwndCtrl, text, hFont);
GetClientRect (hwndCtrl, &rec);
origWidth = rec.right;
origHeight = rec.bottom;
if (width >= 0
&& (!bFirstUpdate || origWidth > width)) // The original width of the field is the maximum allowed size
{
horizSubOffset = origWidth - width;
vertSubOffset = origHeight - height;
// Window coords
GetWindowRect(hwndDlg, &wrec);
GetClientRect(hwndDlg, &trec);
// Vertical "title bar" offset
vertOffset = wrec.bottom - wrec.top - trec.bottom - (bBorderlessWindow ? 0 : GetSystemMetrics(SM_CYFIXEDFRAME));
// Text field coords
GetWindowRect(hwndCtrl, &rec);
// Alignment offset
windowInfo.cbSize = sizeof(windowInfo);
GetWindowInfo (hwndCtrl, &windowInfo);
if (windowInfo.dwStyle & SS_CENTER)
alignPosDiff = horizSubOffset / 2;
else if (windowInfo.dwStyle & SS_RIGHT)
alignPosDiff = horizSubOffset;
// Resize/move
if (alignPosDiff > 0)
{
// Resize and move the text field
MoveWindow (hwndCtrl,
rec.left - wrec.left - (bBorderlessWindow ? 0 : GetSystemMetrics(SM_CXFIXEDFRAME)) + alignPosDiff,
rec.top - wrec.top - vertOffset,
origWidth - horizSubOffset,
origHeight - vertSubOffset,
TRUE);
}
else
{
// Resize the text field
SetWindowPos (hwndCtrl, 0, 0, 0,
origWidth - horizSubOffset,
origHeight - vertSubOffset,
SWP_NOMOVE | SWP_NOZORDER);
}
SetWindowPos (hwndCtrl, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
InvalidateRect (hwndCtrl, NULL, TRUE);
}
}
// Protects an input field from having its content updated by a Paste action (call ToBootPwdField() to use this).
static LRESULT CALLBACK BootPwdFieldProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
WNDPROC wp = (WNDPROC) GetWindowLongPtr (hwnd, GWLP_USERDATA);
switch (message)
{
case WM_PASTE:
return 1;
}
return CallWindowProc (wp, hwnd, message, wParam, lParam);
}
// Protects an input field from having its content updated by a Paste action. Used for pre-boot password
// input fields (only the US keyboard layout is supported in pre-boot environment so we must prevent the
// user from pasting a password typed using a non-US keyboard layout).
void ToBootPwdField (HWND hwndDlg, UINT ctrlId)
{
HWND hwndCtrl = GetDlgItem (hwndDlg, ctrlId);
SetWindowLongPtr (hwndCtrl, GWLP_USERDATA, (LONG_PTR) GetWindowLongPtr (hwndCtrl, GWLP_WNDPROC));
SetWindowLongPtr (hwndCtrl, GWLP_WNDPROC, (LONG_PTR) BootPwdFieldProc);
}
// This function currently serves the following purposes:
// - Determines scaling factors for current screen DPI and GUI aspect ratio.
// - Determines how Windows skews the GUI aspect ratio (which happens when the user has a non-default DPI).
// The determined values must be used when performing some GUI operations and calculations.
BOOL CALLBACK AuxiliaryDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg)
{
case WM_INITDIALOG:
{
HDC hDC = GetDC (hwndDlg);
ScreenDPI = GetDeviceCaps (hDC, LOGPIXELSY);
ReleaseDC (hwndDlg, hDC);
DPIScaleFactorX = 1;
DPIScaleFactorY = 1;
DlgAspectRatio = 1;
if (ScreenDPI != USER_DEFAULT_SCREEN_DPI)
{
// Windows skews the GUI aspect ratio if the user has a non-default DPI. Hence, working with
// actual screen DPI is redundant and leads to incorrect results. What really matters here is
// how Windows actually renders our GUI. This is determined by comparing the expected and current
// sizes of a hidden calibration text field.
RECT trec;
trec.right = 0;
trec.bottom = 0;
GetClientRect (GetDlgItem (hwndDlg, IDC_ASPECT_RATIO_CALIBRATION_BOX), &trec);
if (trec.right != 0 && trec.bottom != 0)
{
// The size of the 282x282 IDC_ASPECT_RATIO_CALIBRATION_BOX rendered at the default DPI (96) is 423x458
DPIScaleFactorX = (double) trec.right / 423;
DPIScaleFactorY = (double) trec.bottom / 458;
DlgAspectRatio = DPIScaleFactorX / DPIScaleFactorY;
}
}
EndDialog (hwndDlg, 0);
return 1;
}
case WM_CLOSE:
EndDialog (hwndDlg, 0);
return 1;
}
return 0;
}
/* Except in response to the WM_INITDIALOG message, the dialog box procedure
should return nonzero if it processes the message, and zero if it does
not. - see DialogProc */
BOOL CALLBACK AboutDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
WORD lw = LOWORD (wParam);
static HBITMAP hbmTextualLogoBitmapRescaled = NULL;
switch (msg)
{
case WM_INITDIALOG:
{
char szTmp[100];
RECT rec;
LocalizeDialog (hwndDlg, "IDD_ABOUT_DLG");
// Hyperlink
SetWindowText (GetDlgItem (hwndDlg, IDC_HOMEPAGE), "www.truecrypt.org");
ToHyperlink (hwndDlg, IDC_HOMEPAGE);
// Logo area background (must not keep aspect ratio; must retain Windows-imposed distortion)
GetClientRect (GetDlgItem (hwndDlg, IDC_ABOUT_LOGO_AREA), &rec);
SetWindowPos (GetDlgItem (hwndDlg, IDC_ABOUT_BKG), HWND_TOP, 0, 0, rec.right, rec.bottom, SWP_NOMOVE);
// Resize the logo bitmap if the user has a non-default DPI
if (ScreenDPI != USER_DEFAULT_SCREEN_DPI)
{
// Logo (must recreate and keep the original aspect ratio as Windows distorts it)
hbmTextualLogoBitmapRescaled = RenderBitmap (MAKEINTRESOURCE (IDB_TEXTUAL_LOGO_288DPI),
GetDlgItem (hwndDlg, IDC_TEXTUAL_LOGO_IMG),
0, 0, 0, 0, FALSE, TRUE);
SetWindowPos (GetDlgItem (hwndDlg, IDC_ABOUT_BKG), HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
}
// Version
SendMessage (GetDlgItem (hwndDlg, IDT_ABOUT_VERSION), WM_SETFONT, (WPARAM) hUserBoldFont, 0);
sprintf (szTmp, "TrueCrypt %s", VERSION_STRING);
#if (defined(_DEBUG) || defined(DEBUG))
strcat (szTmp, " (debug)");
#endif
SetDlgItemText (hwndDlg, IDT_ABOUT_VERSION, szTmp);
SetDlgItemText (hwndDlg, IDT_ABOUT_RELEASE, TC_STR_RELEASED_BY);
// Credits
SendMessage (GetDlgItem (hwndDlg, IDC_ABOUT_CREDITS), WM_SETFONT, (WPARAM) hUserFont, (LPARAM) 0);
SendMessage (hwndDlg, WM_APP, 0, 0);
return 1;
}
case WM_APP:
SetWindowText (GetDlgItem (hwndDlg, IDC_ABOUT_CREDITS),
"Portions of this software are based in part on the works of the following people: "
"Paul Le Roux, "
"Bruce Schneier, John Kelsey, Doug Whiting, David Wagner, Chris Hall, Niels Ferguson, "
"Lars Knudsen, Ross Anderson, Eli Biham, "
"Joan Daemen, Vincent Rijmen, "
"Phillip Rogaway, "
"Hans Dobbertin, Antoon Bosselaers, Bart Preneel, "
"Paulo Barreto, Brian Gladman, Wei Dai, Peter Gutmann, and many others.\r\n\r\n"
"Portions of this software:\r\n"
"Copyright \xA9 2003-2012 TrueCrypt Developers Association. All Rights Reserved.\r\n"
"Copyright \xA9 1998-2000 Paul Le Roux. All Rights Reserved.\r\n"
"Copyright \xA9 1998-2008 Brian Gladman. All Rights Reserved.\r\n"
"Copyright \xA9 2002-2004 Mark Adler. All Rights Reserved.\r\n\r\n"
"This software as a whole:\r\n"
"Copyright \xA9 2012 TrueCrypt Developers Association. All rights reserved.\r\n\r\n"
"A TrueCrypt Foundation Release");
return 1;
case WM_COMMAND:
if (lw == IDOK || lw == IDCANCEL)
{
PostMessage (hwndDlg, WM_CLOSE, 0, 0);
return 1;
}
if (lw == IDC_HOMEPAGE)
{
Applink ("main", TRUE, "");
return 1;
}
// Disallow modification of credits
if (HIWORD (wParam) == EN_UPDATE)
{
SendMessage (hwndDlg, WM_APP, 0, 0);
return 1;
}
return 0;
case WM_CLOSE:
/* Delete buffered bitmaps (if any) */
if (hbmTextualLogoBitmapRescaled != NULL)
{
DeleteObject ((HGDIOBJ) hbmTextualLogoBitmapRescaled);
hbmTextualLogoBitmapRescaled = NULL;
}
EndDialog (hwndDlg, 0);
return 1;
}
return 0;
}
static HWND StaticModelessWaitDlgHandle = NULL;
// Call DisplayStaticModelessWaitDlg() to open this dialog and CloseStaticModelessWaitDlg() to close it.
static BOOL CALLBACK StaticModelessWaitDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
WORD lw = LOWORD (wParam);
switch (msg)
{
case WM_INITDIALOG:
{
LocalizeDialog (hwndDlg, NULL);
return 0;
}
case WM_COMMAND:
if (lw == IDOK || lw == IDCANCEL)
return 1;
return 0;
case WM_CLOSE:
StaticModelessWaitDlgHandle = NULL;
EndDialog (hwndDlg, 0);
return 1;
}
return 0;
}