/*
Legal Notice: Some portions of the source code contained in this file were
derived from the source code of TrueCrypt 7.1a, which is
Copyright (c) 2003-2012 TrueCrypt Developers Association and which is
governed by the TrueCrypt License 3.0, also 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) 2013-2015 IDRIX
and are governed by the Apache License 2.0 the full text of which is
contained in the file License.txt included in VeraCrypt binary and source
code distribution packages. */
#include "Tcdefs.h"
#include "Crc.h"
#include "Common/Endian.h"
#ifndef TC_MINIMIZE_CODE_SIZE
/* CRC polynomial 0x04c11db7 */
unsigned __int32 crc_32_tab[]=
{
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
unsigned __int32 GetCrc32 (unsigned char *data, int length)
{
unsigned __int32 CRC = 0xffffffff;
while (length--)
{
CRC = (CRC >> 8) ^ crc_32_tab[ (CRC ^ *data++) & 0xFF ];
}
return CRC ^ 0xffffffff;
}
unsigned __int32 crc32int (unsigned __int32 *data)
{
unsigned char *d = (unsigned char *) data;
unsigned __int32 CRC = 0xffffffff;
CRC = (CRC >> 8) ^ crc_32_tab[ (CRC ^ *d++) & 0xFF ];
CRC = (CRC >> 8) ^ crc_32_tab[ (CRC ^ *d++) & 0xFF ];
CRC = (CRC >> 8) ^ crc_32_tab[ (CRC ^ *d++) & 0xFF ];
return (CRC >> 8) ^ crc_32_tab[ (CRC ^ *d) & 0xFF ] ^ 0xffffffff;
}
#if BYTE_ORDER == LITTLE_ENDIAN
# define CRC_SELFTEST 0x6fcf9e13
#else
# define CRC_SELFTEST 0xca87914d
#endif
BOOL crc32_selftests (void)
{
int i;
unsigned __int32 crc = 0xffffffff;
BOOL bSuccess = FALSE;
for (i = 0; i < (int)sizeof(crc_32_tab); i++)
crc = UPDC32 (((unsigned char *) crc_32_tab)[i], crc);
bSuccess = CRC_SELFTEST == (crc ^ 0xffffffff);
bSuccess &= GetCrc32 ((unsigned char *)crc_32_tab, sizeof crc_32_tab) == CRC_SELFTEST;
return bSuccess;
}
#else // TC_MINIMIZE_CODE_SIZE
unsigned __int32 GetCrc32 (unsigned char *data, int length)
{
unsigned __int32 r = 0xFFFFFFFFUL;
int i, b;
for (i = 0; i < length; ++i)
{
r ^= data[i];
for (b = 0; b < 8; ++b)
{
if ((unsigned __int8) r & 1)
r = (r >> 1) ^ 0xEDB88320UL;
else
r >>= 1;
}
}
return r ^ 0xFFFFFFFFUL;
}
BOOL crc32_selftests ()
{
unsigned __int8 testData[32];
unsigned __int8 i;
for (i = 0; i < sizeof (testData); ++i)
testData[i] = i;
return GetCrc32 (testData, sizeof (testData)) == 0x91267E8AUL;
}
#endif // TC_MINIMIZE_CODE_SIZE
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/*
Legal Notice: Some portions of the source code contained in this file were
derived from the source code of TrueCrypt 7.1a, which is
Copyright (c) 2003-2012 TrueCrypt Developers Association and which is
governed by the TrueCrypt License 3.0, also 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) 2013-2016 IDRIX
and are governed by the Apache License 2.0 the full text of which is
contained in the file License.txt included in VeraCrypt binary and source
code distribution packages. */
#include "Tcdefs.h"
#include "Combo.h"
#include "Dlgcode.h"
#include "Xml.h"
#include <time.h>
#define SIZEOF_MRU_LIST 20
void AddComboItem (HWND hComboBox, const wchar_t *lpszFileName, BOOL saveHistory)
{
LPARAM nIndex;
if (!saveHistory)
{
SendMessage (hComboBox, CB_RESETCONTENT, 0, 0);
SetWindowText (hComboBox, lpszFileName);
return;
}
nIndex = SendMessage (hComboBox, CB_FINDSTRINGEXACT, (WPARAM) - 1, (LPARAM) & lpszFileName[0]);
if (nIndex == CB_ERR && *lpszFileName)
{
time_t lTime = time (NULL);
nIndex = SendMessage (hComboBox, CB_ADDSTRING, 0, (LPARAM) & lpszFileName[0]);
if (nIndex != CB_ERR)
SendMessage (hComboBox, CB_SETITEMDATA, nIndex, (LPARAM) lTime);
}
if (nIndex != CB_ERR && *lpszFileName)
nIndex = SendMessage (hComboBox, CB_SETCURSEL, nIndex, 0);
if (*lpszFileName == 0)
{
SendMessage (hComboBox, CB_SETCURSEL, (WPARAM) - 1, 0);
}
}
LPARAM MoveEditToCombo (HWND hComboBox, BOOL saveHistory)
{
wchar_t szTmp[TC_MAX_PATH] = {0};
if (!saveHistory)
{
GetWindowText (hComboBox, szTmp, ARRAYSIZE (szTmp));
SendMessage (hComboBox, CB_RESETCONTENT, 0, 0);
SetWindowText (hComboBox, szTmp);
return 0;
}
GetWindowText (hComboBox, szTmp, ARRAYSIZE (szTmp));
if (wcslen (szTmp) > 0)
{
LPARAM nIndex = SendMessage (hComboBox, CB_FINDSTRINGEXACT, (WPARAM) - 1,
(LPARAM) & szTmp[0]);
if (nIndex == CB_ERR)
{
time_t lTime = time (NULL);
nIndex = SendMessage (hComboBox, CB_ADDSTRING, 0, (LPARAM) & szTmp[0]);
if (nIndex != CB_ERR)
SendMessage (hComboBox, CB_SETITEMDATA, nIndex, (DWORD) lTime);
}
else
{
time_t lTime = time (NULL);
SendMessage (hComboBox, CB_SETITEMDATA, nIndex, (DWORD) lTime);
}
return nIndex;
}
return SendMessage (hComboBox, CB_GETCURSEL, 0, 0);
}
int GetOrderComboIdx (HWND hComboBox, int *nIdxList, int nElems)
{
int x = (int) SendMessage (hComboBox, CB_GETCOUNT, 0, 0);
if (x != CB_ERR)
{
int i, nHighIdx = CB_ERR;
time_t lHighTime = -1;
for (i = 0; i < x; i++)
{
time_t lTime = SendMessage (hComboBox, CB_GETITEMDATA, (WPARAM) i, 0);
if (lTime > lHighTime)
{
int n;
for (n = 0; n < nElems; n++)
if (nIdxList[n] == i)
break;
if (n == nElems)
{
lHighTime = lTime;
nHighIdx = i;
}
}
}
return nHighIdx;
}
return CB_ERR;
}
LPARAM UpdateComboOrder (HWND hComboBox)
{
LPARAM nIndex;
nIndex = SendMessage (hComboBox, CB_GETCURSEL, 0, 0);
if (nIndex != CB_ERR)
{
time_t lTime = time (NULL);
nIndex = SendMessage (hComboBox, CB_SETITEMDATA, (WPARAM) nIndex,
(LPARAM) lTime);
}
return nIndex;
}
void LoadCombo (HWND hComboBox, BOOL bEnabled, BOOL bOnlyCheckModified, BOOL *pbModified)
{
DWORD size;
char *history = LoadFile (GetConfigPath (TC_APPD_FILENAME_HISTORY), &size);
char *xml = history;
char volume[MAX_PATH];
int i, nComboIdx[SIZEOF_MRU_LIST] = {0};
int count = SendMessage (hComboBox, CB_GETCOUNT, 0, 0);
if (xml == NULL)
{
// No history XML file but history is enabled
if (bEnabled && pbModified)
*pbModified = TRUE;
return;
}
if (!bEnabled && bOnlyCheckModified)
{
// History is disable but there is a history XML file
if (pbModified)
*pbModified = TRUE;
free (history);
return;
}
/* combo list part:- get mru items */
for (i = 0; i < SIZEOF_MRU_LIST; i++)
nComboIdx[i] = GetOrderComboIdx (hComboBox, &nComboIdx[0], i);
i = 0;
while (xml = XmlFindElement (xml, "volume"))
{
wchar_t szTmp[MAX_PATH] = { 0 };
wchar_t wszVolume[MAX_PATH] = {0};
if (i < count)
{
if (SendMessage (hComboBox, CB_GETLBTEXTLEN, nComboIdx[i], 0) < ARRAYSIZE (szTmp))
SendMessage (hComboBox, CB_GETLBTEXT, nComboIdx[i], (LPARAM) & szTmp[0]);
}
XmlGetNodeText (xml, volume, sizeof (volume));
if (0 == MultiByteToWideChar (CP_UTF8, 0, volume, -1, wszVolume, MAX_PATH))
wszVolume [0] = 0;
if (!bOnlyCheckModified)
AddComboItem (hComboBox, wszVolume, TRUE);
if (pbModified && wcscmp (wszVolume, szTmp))
*pbModified = TRUE;
xml++;
i++;
}
if (pbModified && (i != count))
*pbModified = TRUE;
if (!bOnlyCheckModified)
SendMessage (hComboBox, CB_SETCURSEL, 0, 0);
free (history);
}
void DumpCombo (HWND hComboBox, int bClear)
{
FILE *f;
int i, nComboIdx[SIZEOF_MRU_LIST] = {0};
if (bClear)
{
DeleteFile (GetConfigPath (TC_APPD_FILENAME_HISTORY));
return;
}
f = _wfopen (GetConfigPath (TC_APPD_FILENAME_HISTORY), L"w,ccs=UTF-8");
if (f == NULL) return;
XmlWriteHeader (f);
fputws (L"\n\t<history>", f);
/* combo list part:- get mru items */
for (i = 0; i < SIZEOF_MRU_LIST; i++)
nComboIdx[i] = GetOrderComboIdx (hComboBox, &nComboIdx[0], i);
/* combo list part:- write out mru items */
for (i = 0; i < SIZEOF_MRU_LIST; i++)
{
wchar_t szTmp[MAX_PATH] = { 0 };
if (SendMessage (hComboBox, CB_GETLBTEXTLEN, nComboIdx[i], 0) < ARRAYSIZE (szTmp))
SendMessage (hComboBox, CB_GETLBTEXT, nComboIdx[i], (LPARAM) & szTmp[0]);
if (szTmp[0] != 0)
{
wchar_t q[MAX_PATH * 2] = { 0 };
XmlQuoteTextW (szTmp, q, ARRAYSIZE (q));
fwprintf (f, L"\n\t\t<volume>%s</volume>", q);
}
}
fputws (L"\n\t</history>", f);
XmlWriteFooter (f);
fclose (f);
}
void ClearCombo (HWND hComboBox)
{
int i;
for (i = 0; i < SIZEOF_MRU_LIST; i++)
{
SendMessage (hComboBox, CB_DELETESTRING, 0, 0);
}
}
int IsComboEmpty (HWND hComboBox)
{
return SendMessage (hComboBox, CB_GETCOUNT, 0, 0) < 1;
}
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