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[NTOSKRNL] Implement SeRegisterLogonSessionTerminatedRoutine() and SeUnregisterLogonSessionTerminatedRoutine().

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This commit is contained in:
Eric Kohl 2019-08-04 13:59:39 +02:00
parent 4f370ea5fd
commit 4614c5b57c
1 changed files with 85 additions and 7 deletions
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92
ntoskrnl/se/srm.c
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@ -20,6 +20,7 @@ extern LUID SeAnonymousAuthenticationId;
/* PRIVATE DEFINITIONS ********************************************************/
#define SEP_LOGON_SESSION_TAG 'sLeS'
#define SEP_LOGON_NOTIFICATION_TAG 'nLeS'
typedef struct _SEP_LOGON_SESSION_REFERENCES
{
@ -31,6 +32,12 @@ typedef struct _SEP_LOGON_SESSION_REFERENCES
LIST_ENTRY TokenList;
} SEP_LOGON_SESSION_REFERENCES, *PSEP_LOGON_SESSION_REFERENCES;
typedef struct _SEP_LOGON_SESSION_TERMINATED_NOTIFICATION
{
struct _SEP_LOGON_SESSION_TERMINATED_NOTIFICATION *Next;
PSE_LOGON_SESSION_TERMINATED_ROUTINE CallbackRoutine;
} SEP_LOGON_SESSION_TERMINATED_NOTIFICATION, *PSEP_LOGON_SESSION_TERMINATED_NOTIFICATION;
VOID
NTAPI
SepRmCommandServerThread(
@ -61,7 +68,8 @@ ULONG SepAdtMaxListLength = 0x3000;
UCHAR SeAuditingState[POLICY_AUDIT_EVENT_TYPE_COUNT];
KGUARDED_MUTEX SepRmDbLock;
PSEP_LOGON_SESSION_REFERENCES SepLogonSessions;
PSEP_LOGON_SESSION_REFERENCES SepLogonSessions = NULL;
PSEP_LOGON_SESSION_TERMINATED_NOTIFICATION SepLogonNotifications = NULL;
/* PRIVATE FUNCTIONS **********************************************************/
@ -1118,26 +1126,96 @@ SeMarkLogonSessionForTerminationNotification(
/*
* @unimplemented
* @implemented
*/
NTSTATUS
NTAPI
SeRegisterLogonSessionTerminatedRoutine(
IN PSE_LOGON_SESSION_TERMINATED_ROUTINE CallbackRoutine)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
PSEP_LOGON_SESSION_TERMINATED_NOTIFICATION Notification;
PAGED_CODE();
/* Fail, if we don not have a callback routine */
if (CallbackRoutine == NULL)
return STATUS_INVALID_PARAMETER;
/* Allocate a new notification item */
Notification = ExAllocatePoolWithTag(PagedPool,
sizeof(SEP_LOGON_SESSION_TERMINATED_NOTIFICATION),
SEP_LOGON_NOTIFICATION_TAG);
if (Notification == NULL)
return STATUS_INSUFFICIENT_RESOURCES;
/* Acquire the database lock */
KeAcquireGuardedMutex(&SepRmDbLock);
/* Set the callback routine */
Notification->CallbackRoutine = CallbackRoutine;
/* Insert the new notification item into the list */
Notification->Next = SepLogonNotifications;
SepLogonNotifications = Notification;
/* Release the database lock */
KeReleaseGuardedMutex(&SepRmDbLock);
return STATUS_SUCCESS;
}
/*
* @unimplemented
* @implemented
*/
NTSTATUS
NTAPI
SeUnregisterLogonSessionTerminatedRoutine(
IN PSE_LOGON_SESSION_TERMINATED_ROUTINE CallbackRoutine)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
PSEP_LOGON_SESSION_TERMINATED_NOTIFICATION Current, Previous = NULL;
NTSTATUS Status;
PAGED_CODE();
/* Fail, if we don not have a callback routine */
if (CallbackRoutine == NULL)
return STATUS_INVALID_PARAMETER;
/* Acquire the database lock */
KeAcquireGuardedMutex(&SepRmDbLock);
/* Loop all registered notification items */
for (Current = SepLogonNotifications;
Current != NULL;
Current = Current->Next)
{
/* Check if the callback routine matches the provided one */
if (Current->CallbackRoutine == CallbackRoutine)
break;
Previous = Current;
}
if (Current == NULL)
{
Status = STATUS_NOT_FOUND;
}
else
{
/* Remove the current notification item from the list */
if (Previous == NULL)
SepLogonNotifications = Current->Next;
else
Previous->Next = Current->Next;
/* Free the current notification item */
ExFreePoolWithTag(Current,
SEP_LOGON_NOTIFICATION_TAG);
Status = STATUS_SUCCESS;
}
/* Release the database lock */
KeReleaseGuardedMutex(&SepRmDbLock);
return Status;
}