548 lines
14 KiB
C
548 lines
14 KiB
C
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#include "precomp.h"
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#pragma hdrstop
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#include <stdlib.h>
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#include <stdio.h>
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// Define registry section and value
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#define DSA_CONFIG_SECTION TEXT("System\\CurrentControlSet\\Services\\NTDS\\Parameters")
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#define SCHEMAVERSION TEXT("Schema Version")
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BOOL
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IsNT5DC()
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/*++
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Routine Descrtiption:
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Checks if a machine is a NT5 DC. Uses a call to RtlGetProductType that
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requires ntdll.dll. Since ntdll.dll is not loaded for x86 versions of
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setup (since they have to run on Windows95 too), loads ntdll.dll
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dynamically (for alphas, ntdll.dll.is already loaded and LoadLibrary
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returns a handle to it). So this function should be called only after
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checking that the current system is NT
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Currently, this function is called only for NT5 upgrades
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Arguments:
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None
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Return Value:
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TRUE if the machine is a NT5 DC, FALSE otherwise
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--*/
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{
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NT_PRODUCT_TYPE Type = NtProductWinNt;
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HMODULE h;
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TCHAR DllName[MAX_PATH];
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VOID (*GetPrType)(NT_PRODUCT_TYPE *Typ);
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if (OsVersion.dwMajorVersion != 5) {
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// not NT5
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return FALSE;
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}
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// Load ntdll.dll from the system directory
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GetSystemDirectory(DllName, MAX_PATH);
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ConcatenatePaths(DllName, TEXT("ntdll.dll"), MAX_PATH);
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if (h = LoadLibrary(DllName)) {
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if((FARPROC) GetPrType = GetProcAddress(h, "RtlGetNtProductType")) {
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GetPrType(&Type);
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}
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FreeLibrary(h);
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}
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if ( Type == NtProductLanManNt ) {
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return TRUE;
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}
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else {
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return FALSE;
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}
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}
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BOOL
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ISDC()
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/*++
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Routine Descrtiption:
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Checks if a machine is a DC. Uses a call to RtlGetProductType that
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requires ntdll.dll. Since ntdll.dll is not loaded for x86 versions of
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setup (since they have to run on Windows95 too), loads ntdll.dll
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dynamically (for alphas, ntdll.dll.is already loaded and LoadLibrary
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returns a handle to it).
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Arguments:
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None
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Return Value:
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TRUE if the machine is a DC, FALSE otherwise
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--*/
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{
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NT_PRODUCT_TYPE Type = NtProductWinNt;
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HMODULE h;
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TCHAR DllName[MAX_PATH];
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VOID (*GetPrType)(NT_PRODUCT_TYPE *Typ);
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if (!ISNT()) {
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// not NT
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return FALSE;
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}
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// Load ntdll.dll from the system directory
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GetSystemDirectory(DllName, MAX_PATH);
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ConcatenatePaths(DllName, TEXT("ntdll.dll"), MAX_PATH);
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if (h = LoadLibrary(DllName)) {
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if((FARPROC) GetPrType = GetProcAddress(h, "RtlGetNtProductType")) {
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GetPrType(&Type);
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}
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FreeLibrary(h);
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}
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if ( Type == NtProductLanManNt ) {
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return TRUE;
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}
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else {
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return FALSE;
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}
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}
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int
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GetObjVersionInIniFile(
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IN TCHAR *IniFileName,
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OUT DWORD *Version
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)
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/*++
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Routine Decsription:
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Reads the Object-Version key in the SCHEMA section of the
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given ini file and returns the value in *Version. If the
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key cannot be read, 0 is returned in *Version
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Arguments:
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IniFileName - Pointer to null-terminated inifile name
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Version - Pointer to DWORD to return version in
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Return Value:
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0
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--*/
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{
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TCHAR Buffer[32];
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BOOL fFound = FALSE;
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LPCTSTR SCHEMASECTION = TEXT("SCHEMA");
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LPCTSTR OBJECTVER = TEXT("objectVersion");
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LPCTSTR DEFAULT = TEXT("NOT_FOUND");
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*Version = 0;
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GetPrivateProfileString(
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SCHEMASECTION,
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OBJECTVER,
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DEFAULT,
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Buffer,
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sizeof(Buffer)/sizeof(TCHAR),
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IniFileName
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);
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if ( lstrcmpi(Buffer, DEFAULT) ) {
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// Not the default string, so got a value
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*Version = _ttoi(Buffer);
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fFound = TRUE;
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}
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return 0;
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}
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BOOL
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NtdsCheckSchemaVersion(
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IN TCHAR *IniFileName,
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OUT DWORD *DCVersion,
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OUT DWORD *IniVersion
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)
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/*++
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Routine Description:
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Reads a particular registry key, a key value from a given inifile
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and compares them.
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Arguments:
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IniFileName - Pointer to null-terminated inifile name to read key from
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DCVersion - Pointer to DWORD to return the registry key value in DC
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IniVersion - Pointer to DWORD to return the key value read from inifile
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Return:
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TRUE if the two values match, FALSE otherwise
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--*/
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{
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DWORD regVersion = 0, objVersion = 0;
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DWORD herr, err, dwType, dwSize;
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HKEY hk;
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// Read the "Schema Version" value from NTDS config section in registry
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// Value is assumed to be 0 if not found
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dwSize = sizeof(regVersion);
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if ( (herr = RegOpenKey(HKEY_LOCAL_MACHINE, DSA_CONFIG_SECTION, &hk)) ||
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(err = RegQueryValueEx(hk, SCHEMAVERSION, NULL, &dwType, (LPBYTE) ®Version, &dwSize)) ) {
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// Error getting the key. We assume it is not there
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regVersion = 0;
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}
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if (!herr) RegCloseKey(hk);
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// Get key value in inifile
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GetObjVersionInIniFile( IniFileName, &objVersion );
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// Return the two values, and compare and return appropriate boolean
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*DCVersion = regVersion;
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*IniVersion = objVersion;
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if (regVersion != objVersion) {
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return FALSE;
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}
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return TRUE;
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}
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int
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MyCopyFile(
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IN HWND ParentWnd,
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IN TCHAR *FileName
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)
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/*++
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Routine Description:
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Copies the file specified by filename from the first source
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(NativeSourcePaths[0]). Files are copied to the system directory, except
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schema.ini, which is copied into windows directory since we do not
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want to overwrite the current schema.ini in the system directory of
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the DC
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Arguments:
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ParentWnd - Handle to parent window to raise appropriate error popups
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FileName - Pointer to null-terminated string containg name of file to copy
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Return Value:
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DSCHECK_ERR_FILE_NOT_FOUND if file is not found on source
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DSCHECK_ERR_FILE_COPY if error copying file
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DSCHECK_ERR_SUCCESS otherwise
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Also raises appropriate error popups too inform users
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--*/
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{
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TCHAR SourceName[MAX_PATH], ActualSourceName[MAX_PATH];
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TCHAR TargetName[MAX_PATH];
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#if 0
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TCHAR SourceA[MAX_PATH], TargetA[MAX_PATH];
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#endif
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HANDLE FindHandle;
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WIN32_FIND_DATA FindData;
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DWORD d = 0;
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int err = 0;
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// Create the source file name
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lstrcpy(SourceName, NativeSourcePaths[0]);
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// First check if the uncompressed file is there
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ConcatenatePaths(SourceName, FileName, MAX_PATH);
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FindHandle = FindFirstFile(SourceName, &FindData);
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if(FindHandle && (FindHandle != INVALID_HANDLE_VALUE)) {
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//
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// Got the file, copy name in ActualSourceName
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//
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FindClose(FindHandle);
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lstrcpy( ActualSourceName, SourceName);
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} else {
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//
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// Don't have the file, try the compressed file name
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//
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GenerateCompressedName(SourceName,ActualSourceName);
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FindHandle = FindFirstFile(ActualSourceName, &FindData);
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if(FindHandle && (FindHandle != INVALID_HANDLE_VALUE)) {
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// Got the file. Name is already in ActualSourceName
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FindClose(FindHandle);
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}
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else {
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ActualSourceName[0] = 0;
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}
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}
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if ( !ActualSourceName[0] ) {
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// file is not found. Error
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MessageBoxFromMessage(
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ParentWnd,
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MSG_DSCHECK_REQD_FILE_MISSING,
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FALSE,
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AppTitleStringId,
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MB_OK | MB_ICONWARNING | MB_TASKMODAL,
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FileName,
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NativeSourcePaths[0]
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);
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return DSCHECK_ERR_FILE_NOT_FOUND;
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}
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// Ok, the file is there. Copy it to system32, except if it is
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// schema.ini, in which case copy it to windows directory
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if (lstrcmpi(FileName, TEXT("schema.ini")) == 0) {
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MyGetWindowsDirectory(TargetName, MAX_PATH) ;
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}
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else {
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GetSystemDirectory(TargetName, MAX_PATH);
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}
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ConcatenatePaths(TargetName, FileName, MAX_PATH);
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// Delete any existing file of the same name
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DeleteFile(TargetName);
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#if 0
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// Ok, the names are ready. Create the ANSI versions in SourceA
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// and TargetA, since we will be calling the setupapi routine
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// SetupDecompressOrCopyFileA which is only Ansi
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#ifdef UNICODE
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d = WideCharToMultiByte(
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CP_ACP,
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0,
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ActualSourceName,
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-1,
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(LPSTR) SourceA,
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MAX_PATH,
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NULL,
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NULL
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);
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if (d) {
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d = WideCharToMultiByte(
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CP_ACP,
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0,
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TargetName,
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-1,
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(LPSTR) TargetA,
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MAX_PATH,
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NULL,
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NULL
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);
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}
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if (!d) {
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err = 1;
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}
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#else
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lstrcpy(SourceA, ActualSourceName);
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lstrcpy(TargetA, TargetName);
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#endif
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if (!err) {
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err = SetupapiDecompressOrCopyFile((LPCSTR) SourceA, (LPCSTR) TargetA, NULL);
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}
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#endif
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if (!err) {
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err = SetupapiDecompressOrCopyFile (ActualSourceName, TargetName, 0);
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}
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if (err) {
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// some error copying file. Raise message box
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MessageBoxFromMessage(
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ParentWnd,
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MSG_DSCHECK_COPY_ERROR,
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FALSE,
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AppTitleStringId,
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MB_OK | MB_ICONWARNING | MB_TASKMODAL,
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FileName,
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NativeSourcePaths[0]
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);
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return DSCHECK_ERR_FILE_COPY;
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}
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// successfully copied file
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return DSCHECK_ERR_SUCCESS;
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}
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int
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CheckSchemaVersionForNT5DCs(
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IN HWND ParentWnd
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)
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/*++
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Routine Description:
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Main routine called from Options wizard page to initiate schema version
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check
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Arguments:
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ParentWnd - Handle to parent window to raise errors
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Return Value:
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DSCHECK_ERR_FILE_NOT_FOUND if a required file is not found
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DSCHECK_ERR_FILE_COPY if error copying a required file
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DSCHECK_ERR_SCHEMA_MISMATCH if schema versions do not match
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DSCHECK_ERR_SUCCESS otherwise
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Also pops up appropriate error windows on DSCHECK_ERR_SCHEMA_MISMATCH.
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Error Windows for the other errors are opened by downlevel routines
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--*/
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{
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TCHAR FileName[MAX_PATH];
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TCHAR IniFilePath[MAX_PATH];
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TCHAR IniVerStr[32], RegVerStr[32], TempStr[32];
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DWORD RegVer, IniVer, i;
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int err;
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int err1=0;
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if (!IsNT5DC()) {
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// Not an NT5 DC, nothing to do
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return DSCHECK_ERR_SUCCESS;
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}
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// copy the schema.ini to the local windows directory
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lstrcpy(FileName, TEXT("schema.ini"));
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err = MyCopyFile(ParentWnd, FileName);
|
||
|
|
if (err) {
|
||
|
|
// return DSCHECK error returned by MyCopyFile
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// The schema.ini is now copied to windows directory.
|
||
|
|
// Do schema version check
|
||
|
|
|
||
|
|
MyGetWindowsDirectory(IniFilePath, MAX_PATH);
|
||
|
|
ConcatenatePaths(IniFilePath, TEXT("schema.ini"), MAX_PATH);
|
||
|
|
if ( NtdsCheckSchemaVersion( IniFilePath, &RegVer, &IniVer) ) {
|
||
|
|
// The schema versions match. Nothing to do
|
||
|
|
return DSCHECK_ERR_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
// We are here means schema versions do not match.
|
||
|
|
// Copy all necesary files for schema upgrades.
|
||
|
|
|
||
|
|
_itot(IniVer, IniVerStr, 10);
|
||
|
|
_itot(RegVer, RegVerStr, 10);
|
||
|
|
|
||
|
|
if ( (RegVer < 10) && (IniVer >= 10) ) {
|
||
|
|
// Trying to upgrade from before B3-RC1 to B3-RC1 or above.
|
||
|
|
// B3-RC1 or above requires a clean install due to incompatible
|
||
|
|
// DS checkins. No upgrades are possible. Pop up the clean install
|
||
|
|
// message and leave
|
||
|
|
|
||
|
|
MessageBoxFromMessage(
|
||
|
|
ParentWnd,
|
||
|
|
MSG_DSCHECK_SCHEMA_CLEAN_INSTALL_NEEDED,
|
||
|
|
FALSE,
|
||
|
|
AppTitleStringId,
|
||
|
|
MB_OK | MB_ICONERROR | MB_TASKMODAL,
|
||
|
|
RegVerStr,
|
||
|
|
IniVerStr
|
||
|
|
);
|
||
|
|
|
||
|
|
return DSCHECK_ERR_VERSION_MISMATCH;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (RegVer == 16) {
|
||
|
|
// trying to upgrade a machine in an enterprise with schema
|
||
|
|
// version of 16 (Whistler-Beta1)
|
||
|
|
// possibly, there are beta1 machines lying around
|
||
|
|
// so we have to tell them to demote them before they continue
|
||
|
|
|
||
|
|
i = MessageBoxFromMessage(
|
||
|
|
ParentWnd,
|
||
|
|
MSG_DSCHECK_SCHEMA_WHISTLER_BETA1_DETECTED,
|
||
|
|
FALSE,
|
||
|
|
AppTitleStringId,
|
||
|
|
MB_OKCANCEL | MB_ICONWARNING | MB_TASKMODAL,
|
||
|
|
NULL
|
||
|
|
);
|
||
|
|
|
||
|
|
if(i == IDCANCEL) {
|
||
|
|
return DSCHECK_ERR_VERSION_MISMATCH;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
if ( RegVer > IniVer ) {
|
||
|
|
// The schema version in the enterprise is already greater than
|
||
|
|
// the schema version of the build you are trying to upgrade to.
|
||
|
|
//
|
||
|
|
// This is okay. Imagine upgrading a 5.0 DC to the next service
|
||
|
|
// pack even though the 5.0 DC is in a domain of mixed 5.0 and
|
||
|
|
// 5.1 DCs. The schema version for the 5.0 DC is the same as the
|
||
|
|
// schema version for the 5.1 DCs because schema upgrades replicate
|
||
|
|
// to all DCs in an enterprise. There is no reason to disallow
|
||
|
|
// upgrading the 5.0 DC to the next service pack even though
|
||
|
|
// the schema version of the service pack (IniVer) is less than
|
||
|
|
// the schema version of the 5.0 DC (RegVer).
|
||
|
|
return DSCHECK_ERR_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Else, upgrade is possible, so copy all necessary files
|
||
|
|
|
||
|
|
// copy all files from version on DC to latest version
|
||
|
|
for ( i=RegVer+1; i<=IniVer; i++ ) {
|
||
|
|
_itot(i, TempStr, 10);
|
||
|
|
lstrcpy(FileName, TEXT("sch"));
|
||
|
|
lstrcat(FileName, TempStr);
|
||
|
|
lstrcat(FileName, TEXT(".ldf"));
|
||
|
|
err1 = MyCopyFile(ParentWnd, FileName);
|
||
|
|
if (err1 != DSCHECK_ERR_SUCCESS) {
|
||
|
|
// error copying file. Return if file not found,
|
||
|
|
// else just break out of loop.
|
||
|
|
if (err1 == DSCHECK_ERR_FILE_NOT_FOUND) {
|
||
|
|
return err1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (err1) {
|
||
|
|
// error copying at least one file, and not a file not
|
||
|
|
// found error. raise appropriate message and return
|
||
|
|
MessageBoxFromMessage(
|
||
|
|
ParentWnd,
|
||
|
|
MSG_DSCHECK_SCHEMA_UPGRADE_COPY_ERROR,
|
||
|
|
FALSE,
|
||
|
|
AppTitleStringId,
|
||
|
|
MB_OK | MB_ICONERROR | MB_TASKMODAL,
|
||
|
|
RegVerStr,
|
||
|
|
IniVerStr
|
||
|
|
);
|
||
|
|
return DSCHECK_ERR_FILE_COPY;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Files copied successfully
|
||
|
|
MessageBoxFromMessage(
|
||
|
|
ParentWnd,
|
||
|
|
MSG_DSCHECK_SCHEMA_UPGRADE_NEEDED,
|
||
|
|
FALSE,
|
||
|
|
AppTitleStringId,
|
||
|
|
MB_OK | MB_ICONERROR | MB_TASKMODAL,
|
||
|
|
RegVerStr,
|
||
|
|
IniVerStr
|
||
|
|
);
|
||
|
|
|
||
|
|
return DSCHECK_ERR_VERSION_MISMATCH;
|
||
|
|
|
||
|
|
}
|