mirror of
https://github.com/reactos/reactos.git
synced 2024-06-30 18:01:07 +00:00
8f939e057c
- Flush the new control set after the control set has been created. - Make sure that we create a new control set only on the first boot after setup. - Move the control set copy code to a separate function. - Get rid of the global control set values.
517 lines
15 KiB
C
517 lines
15 KiB
C
/*
|
|
* PROJECT: ReactOS Service Control Manager
|
|
* LICENSE: GPL - See COPYING in the top level directory
|
|
* FILE: base/system/services/controlset.c
|
|
* PURPOSE: Control Set Management
|
|
* COPYRIGHT: Copyright 2012 Eric Kohl
|
|
*
|
|
*/
|
|
|
|
/* INCLUDES *****************************************************************/
|
|
|
|
#include "services.h"
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
|
|
/* GLOBALS *******************************************************************/
|
|
|
|
|
|
/* FUNCTIONS *****************************************************************/
|
|
|
|
#if (_WIN32_WINNT < 0x0600)
|
|
static
|
|
DWORD
|
|
ScmCopyTree(
|
|
HKEY hSrcKey,
|
|
HKEY hDstKey)
|
|
{
|
|
FILETIME LastWrite;
|
|
DWORD dwSubKeys;
|
|
DWORD dwValues;
|
|
DWORD dwType;
|
|
DWORD dwMaxSubKeyNameLength;
|
|
DWORD dwSubKeyNameLength;
|
|
DWORD dwMaxValueNameLength;
|
|
DWORD dwValueNameLength;
|
|
DWORD dwMaxValueLength;
|
|
DWORD dwValueLength;
|
|
DWORD dwDisposition;
|
|
DWORD i;
|
|
LPWSTR lpNameBuffer;
|
|
LPBYTE lpDataBuffer;
|
|
HKEY hDstSubKey;
|
|
HKEY hSrcSubKey;
|
|
DWORD dwError;
|
|
|
|
DPRINT("ScmCopyTree()\n");
|
|
|
|
dwError = RegQueryInfoKey(hSrcKey,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&dwSubKeys,
|
|
&dwMaxSubKeyNameLength,
|
|
NULL,
|
|
&dwValues,
|
|
&dwMaxValueNameLength,
|
|
&dwMaxValueLength,
|
|
NULL,
|
|
NULL);
|
|
if (dwError != ERROR_SUCCESS)
|
|
{
|
|
DPRINT1("RegQueryInfoKey() failed (Error %lu)\n", dwError);
|
|
return dwError;
|
|
}
|
|
|
|
dwMaxSubKeyNameLength++;
|
|
dwMaxValueNameLength++;
|
|
|
|
DPRINT("dwSubKeys %lu\n", dwSubKeys);
|
|
DPRINT("dwMaxSubKeyNameLength %lu\n", dwMaxSubKeyNameLength);
|
|
DPRINT("dwValues %lu\n", dwValues);
|
|
DPRINT("dwMaxValueNameLength %lu\n", dwMaxValueNameLength);
|
|
DPRINT("dwMaxValueLength %lu\n", dwMaxValueLength);
|
|
|
|
/* Copy subkeys */
|
|
if (dwSubKeys != 0)
|
|
{
|
|
lpNameBuffer = HeapAlloc(GetProcessHeap(),
|
|
0,
|
|
dwMaxSubKeyNameLength * sizeof(WCHAR));
|
|
if (lpNameBuffer == NULL)
|
|
{
|
|
DPRINT1("Buffer allocation failed\n");
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
}
|
|
|
|
for (i = 0; i < dwSubKeys; i++)
|
|
{
|
|
dwSubKeyNameLength = dwMaxSubKeyNameLength;
|
|
dwError = RegEnumKeyExW(hSrcKey,
|
|
i,
|
|
lpNameBuffer,
|
|
&dwSubKeyNameLength,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&LastWrite);
|
|
if (dwError != ERROR_SUCCESS)
|
|
{
|
|
DPRINT1("Subkey enumeration failed (Error %lu)\n", dwError);
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpNameBuffer);
|
|
return dwError;
|
|
}
|
|
|
|
dwError = RegCreateKeyExW(hDstKey,
|
|
lpNameBuffer,
|
|
0,
|
|
NULL,
|
|
REG_OPTION_NON_VOLATILE,
|
|
KEY_WRITE,
|
|
NULL,
|
|
&hDstSubKey,
|
|
&dwDisposition);
|
|
if (dwError != ERROR_SUCCESS)
|
|
{
|
|
DPRINT1("Subkey creation failed (Error %lu)\n", dwError);
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpNameBuffer);
|
|
return dwError;
|
|
}
|
|
|
|
dwError = RegOpenKeyExW(hSrcKey,
|
|
lpNameBuffer,
|
|
0,
|
|
KEY_READ,
|
|
&hSrcSubKey);
|
|
if (dwError != ERROR_SUCCESS)
|
|
{
|
|
DPRINT1("Error: %lu\n", dwError);
|
|
RegCloseKey(hDstSubKey);
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpNameBuffer);
|
|
return dwError;
|
|
}
|
|
|
|
dwError = ScmCopyTree(hSrcSubKey,
|
|
hDstSubKey);
|
|
if (dwError != ERROR_SUCCESS)
|
|
{
|
|
DPRINT1("Error: %lu\n", dwError);
|
|
RegCloseKey (hSrcSubKey);
|
|
RegCloseKey (hDstSubKey);
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpNameBuffer);
|
|
return dwError;
|
|
}
|
|
|
|
RegCloseKey(hSrcSubKey);
|
|
RegCloseKey(hDstSubKey);
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpNameBuffer);
|
|
}
|
|
|
|
/* Copy values */
|
|
if (dwValues != 0)
|
|
{
|
|
lpNameBuffer = HeapAlloc(GetProcessHeap(),
|
|
0,
|
|
dwMaxValueNameLength * sizeof(WCHAR));
|
|
if (lpNameBuffer == NULL)
|
|
{
|
|
DPRINT1("Buffer allocation failed\n");
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
}
|
|
|
|
lpDataBuffer = HeapAlloc(GetProcessHeap(),
|
|
0,
|
|
dwMaxValueLength);
|
|
if (lpDataBuffer == NULL)
|
|
{
|
|
DPRINT1("Buffer allocation failed\n");
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpNameBuffer);
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
}
|
|
|
|
for (i = 0; i < dwValues; i++)
|
|
{
|
|
dwValueNameLength = dwMaxValueNameLength;
|
|
dwValueLength = dwMaxValueLength;
|
|
dwError = RegEnumValueW(hSrcKey,
|
|
i,
|
|
lpNameBuffer,
|
|
&dwValueNameLength,
|
|
NULL,
|
|
&dwType,
|
|
lpDataBuffer,
|
|
&dwValueLength);
|
|
if (dwError != ERROR_SUCCESS)
|
|
{
|
|
DPRINT1("Error: %lu\n", dwError);
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpDataBuffer);
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpNameBuffer);
|
|
return dwError;
|
|
}
|
|
|
|
dwError = RegSetValueExW(hDstKey,
|
|
lpNameBuffer,
|
|
0,
|
|
dwType,
|
|
lpDataBuffer,
|
|
dwValueLength);
|
|
if (dwError != ERROR_SUCCESS)
|
|
{
|
|
DPRINT1("Error: %lu\n", dwError);
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpDataBuffer);
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpNameBuffer);
|
|
return dwError;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpDataBuffer);
|
|
|
|
HeapFree(GetProcessHeap(),
|
|
0,
|
|
lpNameBuffer);
|
|
}
|
|
|
|
DPRINT("ScmCopyTree() done \n");
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
#endif
|
|
|
|
|
|
static
|
|
DWORD
|
|
ScmGetControlSetValues(
|
|
PDWORD pdwCurrentControlSet,
|
|
PDWORD pdwDefaultControlSet,
|
|
PDWORD pdwFailedControlSet,
|
|
PDWORD pdwLastKnownGoodControlSet)
|
|
{
|
|
HKEY hSelectKey;
|
|
DWORD dwType;
|
|
DWORD dwSize;
|
|
DWORD dwError;
|
|
|
|
DPRINT("ScmGetControlSetValues() called\n");
|
|
|
|
dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
|
|
L"System\\Select",
|
|
0,
|
|
KEY_READ,
|
|
&hSelectKey);
|
|
if (dwError != ERROR_SUCCESS)
|
|
return dwError;
|
|
|
|
dwSize = sizeof(DWORD);
|
|
dwError = RegQueryValueExW(hSelectKey,
|
|
L"Current",
|
|
0,
|
|
&dwType,
|
|
(LPBYTE)pdwCurrentControlSet,
|
|
&dwSize);
|
|
if (dwError != ERROR_SUCCESS)
|
|
{
|
|
*pdwCurrentControlSet = 0;
|
|
}
|
|
|
|
dwSize = sizeof(DWORD);
|
|
dwError = RegQueryValueExW(hSelectKey,
|
|
L"Default",
|
|
0,
|
|
&dwType,
|
|
(LPBYTE)pdwDefaultControlSet,
|
|
&dwSize);
|
|
if (dwError != ERROR_SUCCESS)
|
|
{
|
|
*pdwDefaultControlSet = 0;
|
|
}
|
|
|
|
dwSize = sizeof(DWORD);
|
|
dwError = RegQueryValueExW(hSelectKey,
|
|
L"Failed",
|
|
0,
|
|
&dwType,
|
|
(LPBYTE)pdwFailedControlSet,
|
|
&dwSize);
|
|
if (dwError != ERROR_SUCCESS)
|
|
{
|
|
*pdwFailedControlSet = 0;
|
|
}
|
|
|
|
dwSize = sizeof(DWORD);
|
|
dwError = RegQueryValueExW(hSelectKey,
|
|
L"LastKnownGood",
|
|
0,
|
|
&dwType,
|
|
(LPBYTE)pdwLastKnownGoodControlSet,
|
|
&dwSize);
|
|
if (dwError != ERROR_SUCCESS)
|
|
{
|
|
*pdwLastKnownGoodControlSet = 0;
|
|
}
|
|
|
|
RegCloseKey(hSelectKey);
|
|
|
|
DPRINT("ControlSets:\n");
|
|
DPRINT("Current: %lu\n", *pdwCurrentControlSet);
|
|
DPRINT("Default: %lu\n", *pdwDefaultControlSet);
|
|
DPRINT("Failed: %lu\n", *pdwFailedControlSet);
|
|
DPRINT("LastKnownGood: %lu\n", *pdwLastKnownGoodControlSet);
|
|
|
|
return dwError;
|
|
}
|
|
|
|
|
|
static
|
|
DWORD
|
|
ScmSetLastKnownGoodControlSet(
|
|
DWORD dwControlSet)
|
|
{
|
|
HKEY hSelectKey;
|
|
DWORD dwError;
|
|
|
|
dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
|
|
L"System\\Select",
|
|
0,
|
|
KEY_WRITE,
|
|
&hSelectKey);
|
|
if (dwError != ERROR_SUCCESS)
|
|
return dwError;
|
|
|
|
dwError = RegSetValueExW(hSelectKey,
|
|
L"LastKnownGood",
|
|
0,
|
|
REG_DWORD,
|
|
(LPBYTE)&dwControlSet,
|
|
sizeof(dwControlSet));
|
|
|
|
RegFlushKey(hSelectKey);
|
|
RegCloseKey(hSelectKey);
|
|
|
|
return dwError;
|
|
}
|
|
|
|
|
|
static
|
|
DWORD
|
|
ScmGetSetupInProgress(VOID)
|
|
{
|
|
DWORD dwError;
|
|
HKEY hKey;
|
|
DWORD dwType;
|
|
DWORD dwSize;
|
|
DWORD dwSetupInProgress = (DWORD)-1;
|
|
|
|
DPRINT("ScmGetSetupInProgress()\n");
|
|
|
|
/* Open key */
|
|
dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
|
|
L"SYSTEM\\Setup",
|
|
0,
|
|
KEY_QUERY_VALUE,
|
|
&hKey);
|
|
if (dwError == ERROR_SUCCESS)
|
|
{
|
|
/* Read key */
|
|
dwSize = sizeof(DWORD);
|
|
RegQueryValueExW(hKey,
|
|
L"SystemSetupInProgress",
|
|
NULL,
|
|
&dwType,
|
|
(LPBYTE)&dwSetupInProgress,
|
|
&dwSize);
|
|
RegCloseKey(hKey);
|
|
}
|
|
|
|
DPRINT("SetupInProgress: %lu\n", dwSetupInProgress);
|
|
return dwSetupInProgress;
|
|
}
|
|
|
|
|
|
static
|
|
DWORD
|
|
ScmCopyControlSet(
|
|
DWORD dwSourceControlSet,
|
|
DWORD dwDestinationControlSet)
|
|
{
|
|
WCHAR szSourceControlSetName[32];
|
|
WCHAR szDestinationControlSetName[32];
|
|
HKEY hSourceControlSetKey = NULL;
|
|
HKEY hDestinationControlSetKey = NULL;
|
|
DWORD dwDisposition;
|
|
DWORD dwError;
|
|
|
|
/* Create the source control set name */
|
|
swprintf(szSourceControlSetName, L"SYSTEM\\ControlSet%03lu", dwSourceControlSet);
|
|
DPRINT("Source control set: %S\n", szSourceControlSetName);
|
|
|
|
/* Create the destination control set name */
|
|
swprintf(szDestinationControlSetName, L"SYSTEM\\ControlSet%03lu", dwDestinationControlSet);
|
|
DPRINT("Destination control set: %S\n", szDestinationControlSetName);
|
|
|
|
/* Open the source control set key */
|
|
dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
|
|
szSourceControlSetName,
|
|
0,
|
|
KEY_READ,
|
|
&hSourceControlSetKey);
|
|
if (dwError != ERROR_SUCCESS)
|
|
goto done;
|
|
|
|
/* Create the destination control set key */
|
|
dwError = RegCreateKeyExW(HKEY_LOCAL_MACHINE,
|
|
szDestinationControlSetName,
|
|
0,
|
|
NULL,
|
|
REG_OPTION_NON_VOLATILE,
|
|
KEY_WRITE,
|
|
NULL,
|
|
&hDestinationControlSetKey,
|
|
&dwDisposition);
|
|
if (dwError != ERROR_SUCCESS)
|
|
goto done;
|
|
|
|
/* Copy the source control set to the destination control set */
|
|
#if (_WIN32_WINNT >= 0x0600)
|
|
dwError = RegCopyTreeW(hSourceControlSetKey,
|
|
NULL,
|
|
hDestinationControlSetKey);
|
|
#else
|
|
dwError = ScmCopyTree(hSourceControlSetKey,
|
|
hDestinationControlSetKey);
|
|
#endif
|
|
if (dwError != ERROR_SUCCESS)
|
|
goto done;
|
|
|
|
RegFlushKey(hDestinationControlSetKey);
|
|
|
|
done:
|
|
if (hDestinationControlSetKey != NULL)
|
|
RegCloseKey(hDestinationControlSetKey);
|
|
|
|
if (hSourceControlSetKey != NULL)
|
|
RegCloseKey(hSourceControlSetKey);
|
|
|
|
return dwError;
|
|
}
|
|
|
|
|
|
DWORD
|
|
ScmCreateLastKnownGoodControlSet(VOID)
|
|
{
|
|
DWORD dwCurrentControlSet, dwDefaultControlSet;
|
|
DWORD dwFailedControlSet, dwLastKnownGoodControlSet;
|
|
DWORD dwNewControlSet;
|
|
DWORD dwError;
|
|
|
|
/* Get the control set values */
|
|
dwError = ScmGetControlSetValues(&dwCurrentControlSet,
|
|
&dwDefaultControlSet,
|
|
&dwFailedControlSet,
|
|
&dwLastKnownGoodControlSet);
|
|
if (dwError != ERROR_SUCCESS)
|
|
return dwError;
|
|
|
|
/* First boot after setup? */
|
|
if ((ScmGetSetupInProgress() == 0) &&
|
|
(dwCurrentControlSet == dwLastKnownGoodControlSet))
|
|
{
|
|
DPRINT("First boot after setup!\n");
|
|
|
|
/* Search for a new control set number */
|
|
for (dwNewControlSet = 1; dwNewControlSet < 1000; dwNewControlSet++)
|
|
{
|
|
if ((dwNewControlSet != dwCurrentControlSet) &&
|
|
(dwNewControlSet != dwDefaultControlSet) &&
|
|
(dwNewControlSet != dwFailedControlSet) &&
|
|
(dwNewControlSet != dwLastKnownGoodControlSet))
|
|
break;
|
|
}
|
|
|
|
/* Fail if we did not find an unused control set!*/
|
|
if (dwNewControlSet >= 1000)
|
|
{
|
|
DPRINT1("Too many control sets!\n");
|
|
return ERROR_NO_MORE_ITEMS;
|
|
}
|
|
|
|
/* Copy the current control set */
|
|
dwError = ScmCopyControlSet(dwCurrentControlSet,
|
|
dwNewControlSet);
|
|
if (dwError != ERROR_SUCCESS)
|
|
return dwError;
|
|
|
|
/* Set the new 'LastKnownGood' control set */
|
|
dwError = ScmSetLastKnownGoodControlSet(dwNewControlSet);
|
|
}
|
|
|
|
return dwError;
|
|
}
|
|
|
|
/* EOF */
|