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implemented LsarClose()

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svn path=/trunk/; revision=20893
This commit is contained in:
Thomas Bluemel 2006-01-15 14:18:43 +00:00
parent 7548ba36d1
commit 12fcc64d56
1 changed files with 85 additions and 5 deletions
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90
reactos/lib/lsasrv/lsarpc.c
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@ -11,19 +11,85 @@
#define NDEBUG #define NDEBUG
#include <debug.h> #include <debug.h>
#define POLICY_DELETE (RTL_HANDLE_VALID << 1)
typedef struct _LSAR_POLICY_HANDLE
{
ULONG Flags;
LONG RefCount;
ACCESS_MASK AccessGranted;
} LSAR_POLICY_HANDLE, *PLSAR_POLICY_HANDLE;
/* GLOBALS *****************************************************************/ static RTL_CRITICAL_SECTION PolicyHandleTableLock;
static RTL_HANDLE_TABLE PolicyHandleTable;
/* VARIABLES ***************************************************************/
/* FUNCTIONS ***************************************************************/ /* FUNCTIONS ***************************************************************/
static NTSTATUS
ReferencePolicyHandle(IN LSA_HANDLE ObjectHandle,
IN ACCESS_MASK DesiredAccess,
OUT PLSAR_POLICY_HANDLE *Policy)
{
PLSAR_POLICY_HANDLE ReferencedPolicy;
NTSTATUS Status = STATUS_SUCCESS;
RtlEnterCriticalSection(&PolicyHandleTableLock);
if (RtlIsValidIndexHandle(&PolicyHandleTable,
(ULONG)ObjectHandle,
(PRTL_HANDLE_TABLE_ENTRY*)&ReferencedPolicy) &&
!(ReferencedPolicy->Flags & POLICY_DELETE))
{
if (RtlAreAllAccessesGranted(ReferencedPolicy->AccessGranted,
DesiredAccess))
{
ReferencedPolicy->RefCount++;
*Policy = ReferencedPolicy;
}
else
Status = STATUS_ACCESS_DENIED;
}
else
Status = STATUS_INVALID_HANDLE;
RtlLeaveCriticalSection(&PolicyHandleTableLock);
return Status;
}
static VOID
DereferencePolicyHandle(IN OUT PLSAR_POLICY_HANDLE Policy,
IN BOOLEAN Delete)
{
RtlEnterCriticalSection(&PolicyHandleTableLock);
if (Delete)
{
Policy->Flags |= POLICY_DELETE;
Policy->RefCount--;
ASSERT(Policy->RefCount != 0);
}
if (--Policy->RefCount == 0)
{
ASSERT(Policy->Flags & POLICY_DELETE);
RtlFreeHandle(&PolicyHandleTable,
(PRTL_HANDLE_TABLE_ENTRY)Policy);
}
RtlLeaveCriticalSection(&PolicyHandleTableLock);
}
VOID VOID
LsarStartRpcServer(VOID) LsarStartRpcServer(VOID)
{ {
RPC_STATUS Status; RPC_STATUS Status;
RtlInitializeCriticalSection(&PolicyHandleTableLock);
RtlInitializeHandleTable(0x1000,
sizeof(LSAR_POLICY_HANDLE),
&PolicyHandleTable);
DPRINT("LsarStartRpcServer() called"); DPRINT("LsarStartRpcServer() called");
Status = RpcServerUseProtseqEpW(L"ncacn_np", Status = RpcServerUseProtseqEpW(L"ncacn_np",
@ -60,8 +126,22 @@ unsigned int
LsarClose(IN handle_t BindingHandle, LsarClose(IN handle_t BindingHandle,
IN unsigned long ObjectHandle) IN unsigned long ObjectHandle)
{ {
PLSAR_POLICY_HANDLE Policy = NULL;
NTSTATUS Status;
DPRINT1("LsarClose(0x%p) called!\n", ObjectHandle); DPRINT1("LsarClose(0x%p) called!\n", ObjectHandle);
return STATUS_INVALID_HANDLE;
Status = ReferencePolicyHandle((LSA_HANDLE)ObjectHandle,
0,
&Policy);
if (NT_SUCCESS(Status))
{
/* delete the handle */
DereferencePolicyHandle(Policy,
TRUE);
}
return Status;
} }
/* EOF */ /* EOF */