Store epoch in ChangesAvailableSince

To compute a correct date if updates are available less than 7 days before the end of the month

softwares/FWSUpdates/bin/chkupd.bat

@@ -68,7 +68,7 @@ IF %CHANGES% LSS 1 IF %ADMIN% NEQ 1 (
   goto :EOF
 )
 
-SET /A NOW=%DATE:~-4%%DATE:~3,2%%DATE:~0,2%
+FOR /F "delims=" %%A in ('cscript /nologo %~dp0\now.vbs') DO SET /A NOW=%%A
 SET /A SINCE=%NOW%
 reg query "HKLM\Software\FWS\Updates" /v ChangesAvailableSince 1>NUL 2>NUL
 IF %ERRORLEVEL% EQU 0 FOR /F "tokens=3 delims= " %%A IN ('reg query "HKLM\Software\FWS\Updates" /v ChangesAvailableSince') DO SET /A SINCE=%%A
@@ -83,9 +83,11 @@ IF %CHANGES% EQU 1 (
 )
 
 REM Compute how many days left we can delay updates
-SET /A MAX=%SINCE%+%MAX_REPORT%
+SET /A MAX=%SINCE%+%MAX_REPORT%*86400
 SET /A AGE=%NOW%-%SINCE%
+SET /A AGE=%AGE%/86400
 SET /A REMAINING=%MAX%-%NOW%
+SET /A REMAINING=%REMAINING%/86400
 
 REM Non admin on RDP shouldn't see updates notif
 IF %ADMIN% NEQ 1 IF NOT "%SESSIONNAME%" == "Console" goto :EOF

softwares/FWSUpdates/bin/now.vbs

@@ -0,0 +1 @@
+WScript.Echo DateDiff("s", "01/01/1970 00:00:00", Now())

softwares/FWSUpdates/bin/sync.bat

@@ -151,7 +151,7 @@ FOR /F "tokens=2 delims= " %%A IN ('cscript %SystemDrive%\FWSUpdates\repository\
   SET /A CHANGES=!CHANGES!+1
 )
 echo %DATE% %TIME% - Found %CHANGES% changes >> %SystemDrive%\FWSUpdates\status\sync_log.txt
-SET NOW=%DATE:~-4%%DATE:~3,2%%DATE:~0,2%
+FOR /F "delims=" %%A in ('cscript /nologo %~dp0\now.vbs') DO SET /A NOW=%%A
 
 reg add "HKLM\Software\FWS\Updates" /v PendingChanges /t REG_DWORD /d %CHANGES% /f
 reg add "HKLM\Software\FWS\Updates" /v PendingChangesList /t REG_SZ /d "%LIST%" /f
@@ -161,7 +161,7 @@ IF %CHANGES% GTR 0 (
   IF ERRORLEVEL 1 (
     reg add "HKLM\Software\FWS\Updates" /v ChangesAvailableSince /t REG_DWORD /d %NOW% /f
 	SET /A SINCE=%NOW%
-	SET /A MAX=%SINCE%+%MAX_REPORT%
+	SET /A MAX=%SINCE%+%MAX_REPORT%*86400
   ) ELSE (
     FOR /F %%A IN ('reg query "HKLM\Software\FWS\Updates" /v ChangesAvailableSince') DO SET /A SINCE=%%A
     SET /A MAX=%SINCE%+%MAX_REPORT%