mirror of
https://github.com/reactos/reactos.git
synced 2024-07-04 19:54:58 +00:00
418 lines
12 KiB
C
418 lines
12 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>
|
|
|
|
LSTATUS WINAPI RegCopyTreeW(_In_ HKEY, _In_opt_ LPCWSTR, _In_ HKEY);
|
|
LSTATUS WINAPI RegDeleteTreeW(_In_ HKEY, _In_opt_ LPCWSTR);
|
|
|
|
/* GLOBALS *******************************************************************/
|
|
|
|
static BOOL bBootAccepted = FALSE;
|
|
|
|
|
|
/* FUNCTIONS *****************************************************************/
|
|
|
|
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 */
|
|
dwError = RegCopyTreeW(hSourceControlSetKey,
|
|
NULL,
|
|
hDestinationControlSetKey);
|
|
if (dwError != ERROR_SUCCESS)
|
|
goto done;
|
|
|
|
RegFlushKey(hDestinationControlSetKey);
|
|
|
|
done:
|
|
if (hDestinationControlSetKey != NULL)
|
|
RegCloseKey(hDestinationControlSetKey);
|
|
|
|
if (hSourceControlSetKey != NULL)
|
|
RegCloseKey(hSourceControlSetKey);
|
|
|
|
return dwError;
|
|
}
|
|
|
|
|
|
static
|
|
DWORD
|
|
ScmDeleteControlSet(
|
|
DWORD dwControlSet)
|
|
{
|
|
WCHAR szControlSetName[32];
|
|
HKEY hControlSetKey = NULL;
|
|
DWORD dwError;
|
|
|
|
DPRINT("ScmDeleteControSet(%lu)\n", dwControlSet);
|
|
|
|
/* Create the control set name */
|
|
swprintf(szControlSetName, L"SYSTEM\\ControlSet%03lu", dwControlSet);
|
|
DPRINT("Control set: %S\n", szControlSetName);
|
|
|
|
/* Open the system key */
|
|
dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
|
|
szControlSetName,
|
|
0,
|
|
DELETE | KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE | KEY_SET_VALUE,
|
|
&hControlSetKey);
|
|
if (dwError != ERROR_SUCCESS)
|
|
return dwError;
|
|
|
|
/* Delete the control set */
|
|
dwError = RegDeleteTreeW(hControlSetKey,
|
|
NULL);
|
|
|
|
/* Open the system key */
|
|
RegCloseKey(hControlSetKey);
|
|
|
|
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);
|
|
if (dwError == ERROR_SUCCESS)
|
|
{
|
|
/*
|
|
* Accept the boot here in order to prevent the creation of
|
|
* another control set when a user is going to get logged on
|
|
*/
|
|
bBootAccepted = TRUE;
|
|
}
|
|
}
|
|
|
|
return dwError;
|
|
}
|
|
|
|
|
|
DWORD
|
|
ScmAcceptBoot(VOID)
|
|
{
|
|
DWORD dwCurrentControlSet, dwDefaultControlSet;
|
|
DWORD dwFailedControlSet, dwLastKnownGoodControlSet;
|
|
DWORD dwNewControlSet;
|
|
DWORD dwError;
|
|
|
|
DPRINT("ScmAcceptBoot()\n");
|
|
|
|
if (bBootAccepted)
|
|
{
|
|
DPRINT1("Boot has already been accepted\n");
|
|
return ERROR_BOOT_ALREADY_ACCEPTED;
|
|
}
|
|
|
|
/* Get the control set values */
|
|
dwError = ScmGetControlSetValues(&dwCurrentControlSet,
|
|
&dwDefaultControlSet,
|
|
&dwFailedControlSet,
|
|
&dwLastKnownGoodControlSet);
|
|
if (dwError != ERROR_SUCCESS)
|
|
return dwError;
|
|
|
|
/* 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;
|
|
|
|
/* Delete the current last known good contol set, if it is not used anywhere else */
|
|
if ((dwLastKnownGoodControlSet != dwCurrentControlSet) &&
|
|
(dwLastKnownGoodControlSet != dwDefaultControlSet) &&
|
|
(dwLastKnownGoodControlSet != dwFailedControlSet))
|
|
{
|
|
ScmDeleteControlSet(dwLastKnownGoodControlSet);
|
|
}
|
|
|
|
/* Set the new 'LastKnownGood' control set */
|
|
dwError = ScmSetLastKnownGoodControlSet(dwNewControlSet);
|
|
if (dwError != ERROR_SUCCESS)
|
|
return dwError;
|
|
|
|
bBootAccepted = TRUE;
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
|
|
DWORD
|
|
ScmRunLastKnownGood(VOID)
|
|
{
|
|
DPRINT("ScmRunLastKnownGood()\n");
|
|
|
|
if (bBootAccepted)
|
|
{
|
|
DPRINT1("Boot has already been accepted\n");
|
|
return ERROR_BOOT_ALREADY_ACCEPTED;
|
|
}
|
|
|
|
/* FIXME */
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/* EOF */
|