reactos/lib/smdll/execpgm.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS system libraries
   5  * FILE:            lib/smdll/execpgm.c
   6  * PURPOSE:         Call SM API SM_API_EXECPGM
   7  */
   8 #define NTOS_MODE_USER
   9 #include <ntos.h>
  10 #include <sm/api.h>
  11 #include <sm/helper.h>
  12 #include <string.h>
  13
  14 NTSTATUS STDCALL
  15 SmExecPgm (HANDLE hSmApiPort, PUNICODE_STRING Pgm)
  16 {
  17   NTSTATUS         Status;
  18   SM_PORT_MESSAGE  SmReqMsg;
  19
  20
  21   /* Check Pgm's length */
  22   if (Pgm->Length > (sizeof (Pgm->Buffer[0]) * SM_EXEXPGM_MAX_LENGTH))
  23   {
  24     return STATUS_INVALID_PARAMETER;
  25   }
  26   /* Marshal Pgm in the LPC message */
  27   RtlZeroMemory (& SmReqMsg, sizeof SmReqMsg);
  28   SmReqMsg.ExecPgm.NameLength = Pgm->Length;
  29   RtlCopyMemory (SmReqMsg.ExecPgm.Name, Pgm->Buffer, Pgm->Length);
  30
  31   /* SM API to invoke */
  32   SmReqMsg.ApiIndex = SM_API_EXECUTE_PROGRAMME;
  33
  34   /* LPC message */
  35   SmReqMsg.Header.MessageType = LPC_NEW_MESSAGE;
  36   SmReqMsg.Header.DataSize    = SM_PORT_DATA_SIZE(SmReqMsg.ExecPgm);
  37   SmReqMsg.Header.MessageSize = SM_PORT_MESSAGE_SIZE;
  38
  39   /* Call SM and wait for a reply */
  40   Status = NtRequestWaitReplyPort (hSmApiPort, (PLPC_MESSAGE) & SmReqMsg, (PLPC_MESSAGE) & SmReqMsg);
  41   if (NT_SUCCESS(Status))
  42   {
  43     return SmReqMsg.Status;
  44   }
  45   DbgPrint ("%s failed (Status=0x%08lx)\n", __FUNCTION__, Status);
  46   return Status;
  47 }
  48
  49 /* EOF */