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[NET] Implement a parser for the '/times' option of the 'user' command.
Work in progress: - Does not obey to the users time zone. - Accepts english abbreviations of the days of week only.
This commit is contained in:
Eric Kohl
parent
2db0e159a4
commit
ccd95b9880
1 changed files with 261 additions and 18 deletions
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@ -12,6 +12,8 @@
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#define SECONDS_PER_DAY (60 * 60 * 24)
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#define SECONDS_PER_HOUR (60 * 60)
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#define HOURS_PER_DAY 24
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#define DAYS_PER_WEEK 7
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typedef struct _COUNTY_TABLE
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{
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@ -48,6 +50,8 @@ static COUNTRY_TABLE CountryTable[] =
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{785, 5103}, // Arabic
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{972, 5104} }; // Hebrew
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//static PWSTR DaysArray[] = {L"So", L"Mo", L"Di", L"Mi", L"Do", L"Fr", L"Sa"};
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static PWSTR DaysArray[] = {L"Sun", L"Mon", L"Tue", L"Wed", L"Thu", L"Fri", L"Sat"};
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static
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int
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@ -226,14 +230,27 @@ GetCountryFromCountryCode(
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static
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BOOL
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BitValue(
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PBYTE pLogonHours,
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GetBitValue(
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PBYTE pBitmap,
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DWORD dwBitNumber)
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{
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DWORD dwIndex = dwBitNumber / 8;
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BYTE Mask = 1 << (dwBitNumber & 7);
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return ((pLogonHours[dwIndex] & Mask) != 0);
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return ((pBitmap[dwIndex] & Mask) != 0);
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}
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static
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VOID
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SetBitValue(
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PBYTE pBitmap,
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DWORD dwBitNumber)
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{
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DWORD dwIndex = dwBitNumber / 8;
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BYTE Mask = 1 << (dwBitNumber & 7);
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pBitmap[dwIndex] |= Mask;
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}
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@ -262,7 +279,7 @@ PrintLogonHours(
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for (dwBitNumber = 0; dwBitNumber < dwUnitsPerWeek; dwBitNumber++)
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{
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bBitValue = BitValue(pLogonHours, dwBitNumber);
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bBitValue = GetBitValue(pLogonHours, dwBitNumber);
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if (bBitValue)
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{
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dwStartTime = dwSecondsPerUnit * dwBitNumber;
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@ -271,7 +288,7 @@ PrintLogonHours(
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{
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dwBitNumber++;
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if (dwBitNumber < dwUnitsPerWeek)
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bBitValue = BitValue(pLogonHours, dwBitNumber);
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bBitValue = GetBitValue(pLogonHours, dwBitNumber);
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}
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dwEndTime = dwSecondsPerUnit * dwBitNumber;
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@ -291,6 +308,8 @@ PrintLogonHours(
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PrintMessageString(4307 + dwStartDay);
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ConPuts(StdOut, L" ");
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// FIXME: Check if this is a converion from GMT to local timezone
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PrintLocalTime((dwStartTime % SECONDS_PER_DAY) + SECONDS_PER_HOUR);
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ConPrintf(StdOut, L" - ");
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@ -300,6 +319,7 @@ PrintLogonHours(
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ConPuts(StdOut, L" ");
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}
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// FIXME: Check if this is a converion from GMT to local timezone
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PrintLocalTime((dwEndTime % SECONDS_PER_DAY) + SECONDS_PER_HOUR);
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ConPuts(StdOut, L"\n");
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}
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@ -809,20 +829,100 @@ ParseDate(
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}
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static
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BOOL
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ParseHour(
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PWSTR pszString,
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PDWORD pdwHour)
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{
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PWCHAR pChar;
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DWORD dwHour = 0;
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if (!iswdigit(pszString[0]))
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return FALSE;
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pChar = pszString;
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while (iswdigit(*pChar))
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{
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dwHour = dwHour * 10 + *pChar - L'0';
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pChar++;
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}
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if (dwHour > 24)
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return FALSE;
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if (dwHour == 24)
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dwHour = 0;
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if ((*pChar != UNICODE_NULL) &&
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(dwHour >= 1) &&
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(dwHour <= 12))
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{
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if ((_wcsicmp(pChar, L"am") == 0) ||
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(_wcsicmp(pChar, L"a.m.") == 0))
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{
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if (dwHour == 12)
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dwHour = 0;
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}
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else if ((_wcsicmp(pChar, L"pm") == 0) ||
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(_wcsicmp(pChar, L"p.m.") == 0))
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{
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if (dwHour != 12)
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dwHour += 12;
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}
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else
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{
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return FALSE;
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}
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}
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*pdwHour = dwHour;
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return TRUE;
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}
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static
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BOOL
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ParseDay(
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PWSTR pszString,
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PDWORD pdwDay)
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{
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DWORD i;
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for (i = 0; i < ARRAYSIZE(DaysArray); i++)
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{
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if (_wcsicmp(pszString, DaysArray[i]) == 0)
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{
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*pdwDay = i;
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return TRUE;
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}
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}
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return FALSE;
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}
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static
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DWORD
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ParseLogonHours(
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PWSTR pszParams,
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PBYTE *ppLogonHours,
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PBYTE *ppLogonBitmap,
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PDWORD pdwUnitsPerWeek)
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{
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PBYTE pLogonHours = NULL;
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PBYTE pLogonBitmap = NULL;
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DWORD dwError = ERROR_SUCCESS;
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WCHAR szBuffer[32];
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PWSTR ptr1, ptr2;
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WCHAR prevSep, nextSep;
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DWORD dwStartHour, dwEndHour, dwStartDay, dwEndDay, i, j;
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BYTE DayBitmap;
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BYTE HourBitmap[6];
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pLogonHours = HeapAlloc(GetProcessHeap(),
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HEAP_ZERO_MEMORY,
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UNITS_PER_WEEK / 8);
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if (pLogonHours == NULL)
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pLogonBitmap = HeapAlloc(GetProcessHeap(),
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HEAP_ZERO_MEMORY,
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UNITS_PER_WEEK / 8);
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if (pLogonBitmap == NULL)
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return ERROR_OUTOFMEMORY;
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if (*pszParams == UNICODE_NULL)
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@ -832,24 +932,167 @@ ParseLogonHours(
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if (wcsicmp(pszParams, L"all") == 0)
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{
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FillMemory(pLogonHours, UNITS_PER_WEEK / 8, 0xFF);
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FillMemory(pLogonBitmap, UNITS_PER_WEEK / 8, 0xFF);
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goto done;
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}
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/* FIXME */
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/* Mockup error because we do not parse the line yet */
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dwError = 3768;
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ZeroMemory(&DayBitmap, sizeof(DayBitmap));
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ZeroMemory(HourBitmap, sizeof(HourBitmap));
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ZeroMemory(szBuffer, sizeof(szBuffer));
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ptr1 = pszParams;
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ptr2 = szBuffer;
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prevSep = UNICODE_NULL;
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nextSep = UNICODE_NULL;
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for (;;)
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{
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if (*ptr1 != L'-' && *ptr1 != L',' && *ptr1 != L';' && *ptr1 != UNICODE_NULL)
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{
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*ptr2 = *ptr1;
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ptr2++;
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}
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else
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{
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prevSep = nextSep;
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nextSep = *ptr1;
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// printf("Token: '%S'\n", szBuffer);
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if (*ptr1 != UNICODE_NULL)
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printf("Separator: '%C'\n", *ptr1);
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if (prevSep != L'-')
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{
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// Set first value
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if (iswdigit(szBuffer[0]))
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{
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// parse hour
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if (!ParseHour(szBuffer, &dwStartHour))
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{
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dwError = 3769;
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break;
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}
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// FIXME: Check if this is a converion from local timezone to GMT
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if (dwStartHour > 0)
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dwStartHour--;
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else
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dwStartHour = UNITS_PER_WEEK - 1;
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SetBitValue(HourBitmap, dwStartHour);
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}
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else
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{
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// parse day
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if (!ParseDay(szBuffer, &dwStartDay))
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{
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dwError = 3768;
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break;
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}
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SetBitValue(&DayBitmap, dwStartDay);
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}
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}
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else
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{
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// Set second value
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if (iswdigit(szBuffer[0]))
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{
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// parse hour
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if (!ParseHour(szBuffer, &dwEndHour))
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{
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dwError = 3769;
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break;
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}
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if (dwEndHour < dwStartHour)
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dwEndHour += HOURS_PER_DAY;
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else if (dwEndHour == dwStartHour)
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dwEndHour = dwStartHour + HOURS_PER_DAY;
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// FIXME: Check if this is a converion from local timezone to GMT
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if (dwEndHour > 0)
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dwEndHour--;
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else
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dwEndHour = UNITS_PER_WEEK - 1;
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for (i = dwStartHour; i < dwEndHour; i++)
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SetBitValue(HourBitmap, i);
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}
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else
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{
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// parse day
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if (!ParseDay(szBuffer, &dwEndDay))
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{
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dwError = 3768;
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break;
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}
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if (dwEndDay <= dwStartDay)
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dwEndDay += DAYS_PER_WEEK;
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for (i = dwStartDay; i <= dwEndDay; i++)
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SetBitValue(&DayBitmap, i % DAYS_PER_WEEK);
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}
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}
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if (*ptr1 == L';' || *ptr1 == UNICODE_NULL)
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{
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// Process the data
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// printf("DayBitmap: %02x HourBitmap: %02x%02x%02x%02x%02x%02x\n",
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// DayBitmap, HourBitmap[5], HourBitmap[4], HourBitmap[3], HourBitmap[2], HourBitmap[1], HourBitmap[0]);
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for (i = 0; i < DAYS_PER_WEEK; i++)
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{
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if (GetBitValue(&DayBitmap, i))
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{
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for (j = 0; j < 48; j++)
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{
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if (GetBitValue(HourBitmap, j))
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SetBitValue(pLogonBitmap, ((i * HOURS_PER_DAY) + j) % UNITS_PER_WEEK);
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}
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}
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}
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// Reset the Bitmaps
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ZeroMemory(&DayBitmap, sizeof(DayBitmap));
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ZeroMemory(HourBitmap, sizeof(HourBitmap));
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}
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if (*ptr1 == UNICODE_NULL)
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{
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// printf("Done\n");
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break;
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}
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ZeroMemory(szBuffer, sizeof(szBuffer));
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ptr2 = szBuffer;
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}
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ptr1++;
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}
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#if 0
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printf("LogonBitmap:\n");
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for (i = 0; i < DAYS_PER_WEEK; i++)
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{
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j = i * 3;
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printf("%lu: %02x%02x%02x\n", i, pLogonHours[j + 2], pLogonHours[j + 1], pLogonHours[j + 0]);
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}
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printf("\n");
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#endif
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done:
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if (dwError == ERROR_SUCCESS)
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{
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*ppLogonHours = pLogonHours;
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*ppLogonBitmap = pLogonBitmap;
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*pdwUnitsPerWeek = UNITS_PER_WEEK;
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}
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else
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{
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if (pLogonHours != NULL)
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HeapFree(GetProcessHeap(), 0, pLogonHours);
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if (pLogonBitmap != NULL)
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HeapFree(GetProcessHeap(), 0, pLogonBitmap);
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*ppLogonBitmap = NULL;
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*pdwUnitsPerWeek = 0;
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}
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return dwError;
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