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[WINLOGON] Improve EWX_* flags to WLX_* actions mapping in WM_LOGONNOTIFY:LN_LOGOFF

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CORE-8322 CORE-11550
This commit is contained in:
Hermès Bélusca-Maïto 2025-07-02 22:21:23 +02:00
parent 52e02af86b
commit 2e4cdd4c23
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1 changed files with 32 additions and 37 deletions
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69
base/system/winlogon/sas.c
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@ -738,7 +738,7 @@ LogoffShutdownThread(
uFlags = EWX_CALLER_WINLOGON | (LSData->Flags & 0x0F);
TRACE("In LogoffShutdownThread with uFlags == 0x%x; exit_in_progress == %s\n",
uFlags, ExitReactOSInProgress ? "true" : "false");
uFlags, ExitReactOSInProgress ? "TRUE" : "FALSE");
ExitReactOSInProgress = TRUE;
@ -1599,49 +1599,44 @@ SASWindowProc(
* Our caller (USERSRV) should have added the shutdown flag
* when setting also poweroff or reboot.
*/
if (Action & (EWX_POWEROFF | EWX_REBOOT))
if ((Action & (EWX_POWEROFF | EWX_REBOOT)) && !(Action & EWX_SHUTDOWN))
{
if ((Action & EWX_SHUTDOWN) == 0)
{
ERR("Missing EWX_SHUTDOWN flag for poweroff or reboot; action 0x%x\n", Action);
return STATUS_INVALID_PARAMETER;
}
ERR("Missing EWX_SHUTDOWN flag for poweroff or reboot; action 0x%x\n", Action);
return STATUS_INVALID_PARAMETER;
}
/* Now we can locally remove it for performing checks */
// INVESTIGATE: Our HandleLogoff/HandleShutdown may instead
// take an EWX_* flags combination to determine what to do
// more precisely.
/* Map EWX_* flags to WLX_* actions and check for any unhandled flag */
if (Action & EWX_POWEROFF)
{
wlxAction = WLX_SAS_ACTION_SHUTDOWN_POWER_OFF;
Action &= ~(EWX_SHUTDOWN | EWX_POWEROFF);
}
else if (Action & EWX_REBOOT)
{
wlxAction = WLX_SAS_ACTION_SHUTDOWN_REBOOT;
Action &= ~(EWX_SHUTDOWN | EWX_REBOOT);
}
else if (Action & EWX_SHUTDOWN)
{
wlxAction = WLX_SAS_ACTION_SHUTDOWN;
Action &= ~EWX_SHUTDOWN;
}
/* Check parameters */
if (Action & EWX_FORCE)
else // EWX_LOGOFF
{
// FIXME!
ERR("FIXME: EWX_FORCE present for Winlogon, what to do?\n");
Action &= ~EWX_FORCE;
}
switch (Action)
{
case EWX_LOGOFF:
if (Action & EWX_FORCE)
wlxAction = WLX_SAS_ACTION_FORCE_LOGOFF;
else
wlxAction = WLX_SAS_ACTION_LOGOFF;
break;
case EWX_SHUTDOWN:
wlxAction = WLX_SAS_ACTION_SHUTDOWN;
break;
case EWX_REBOOT:
wlxAction = WLX_SAS_ACTION_SHUTDOWN_REBOOT;
break;
case EWX_POWEROFF:
wlxAction = WLX_SAS_ACTION_SHUTDOWN_POWER_OFF;
break;
default:
{
ERR("Invalid ExitWindows action 0x%x\n", Action);
return STATUS_INVALID_PARAMETER;
}
Action &= ~(EWX_LOGOFF | EWX_FORCE);
}
if (Action)
ERR("Unhandled EWX_* action flags: 0x%x\n", Action);
TRACE("In LN_LOGOFF, exit_in_progress == %s\n",
ExitReactOSInProgress ? "true" : "false");
ExitReactOSInProgress ? "TRUE" : "FALSE");
/*
* In case a parallel shutdown request is done (while we are
@ -1666,8 +1661,8 @@ SASWindowProc(
}
case LN_LOGOFF_CANCELED:
{
ERR("Logoff canceled!!, before: exit_in_progress == %s, after will be false\n",
ExitReactOSInProgress ? "true" : "false");
ERR("Logoff canceled! Before: exit_in_progress == %s; After: FALSE\n",
ExitReactOSInProgress ? "TRUE" : "FALSE");
ExitReactOSInProgress = FALSE;
return 1;