reactos/subsys/system/services/driver.c

   1 /*
   2  * driver.c
   3  */
   4
   5 /* INCLUDES *****************************************************************/
   6
   7 #include "services.h"
   8
   9 #define NDEBUG
  10 #include <debug.h>
  11
  12 /* FUNCTIONS ****************************************************************/
  13
  14 NTSTATUS
  15 ScmLoadDriver(PSERVICE lpService)
  16 {
  17     WCHAR szDriverPath[MAX_PATH];
  18     UNICODE_STRING DriverPath;
  19     NTSTATUS Status;
  20
  21     /* Build the driver path */
  22     wcscpy(szDriverPath,
  23            L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\");
  24     wcscat(szDriverPath,
  25            lpService->lpServiceName);
  26
  27     RtlInitUnicodeString(&DriverPath,
  28                          szDriverPath);
  29
  30     /* FIXME: Acquire privilege */
  31
  32     DPRINT("  Path: %wZ\n", &DriverPath);
  33     Status = NtLoadDriver(&DriverPath);
  34
  35     /* FIXME: Release privilege */
  36
  37     return Status;
  38 }
  39
  40
  41 DWORD
  42 ScmUnloadDriver(PSERVICE lpService)
  43 {
  44     WCHAR szDriverPath[MAX_PATH];
  45     UNICODE_STRING DriverPath;
  46     NTSTATUS Status;
  47     DWORD dwError = ERROR_SUCCESS;
  48
  49     /* Build the driver path */
  50     wcscpy(szDriverPath,
  51            L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\");
  52     wcscat(szDriverPath,
  53            lpService->lpServiceName);
  54
  55     RtlInitUnicodeString(&DriverPath,
  56                          szDriverPath);
  57
  58     /* FIXME: Acquire privilege */
  59
  60     Status = NtUnloadDriver(&DriverPath);
  61
  62     /* FIXME: Release privilege */
  63
  64     if (!NT_SUCCESS(Status))
  65     {
  66         dwError = RtlNtStatusToDosError(Status);
  67     }
  68
  69     return dwError;
  70 }
  71
  72
  73 DWORD
  74 ScmControlDriver(PSERVICE lpService,
  75                  DWORD dwControl,
  76                  LPSERVICE_STATUS lpServiceStatus)
  77 {
  78     DWORD dwError;
  79
  80     DPRINT("ScmControlDriver() called\n");
  81
  82     switch (dwControl)
  83     {
  84         case SERVICE_CONTROL_STOP:
  85             if (lpService->Status.dwCurrentState != SERVICE_RUNNING)
  86             {
  87                 dwError = ERROR_INVALID_SERVICE_CONTROL;
  88                 goto done;
  89             }
  90
  91             dwError = ScmUnloadDriver(lpService);
  92             if (dwError == ERROR_SUCCESS)
  93             {
  94                 lpService->Status.dwControlsAccepted = 0;
  95                 lpService->Status.dwCurrentState = SERVICE_STOPPED;
  96             }
  97             break;
  98
  99         case SERVICE_CONTROL_INTERROGATE:
 100             dwError = ERROR_INVALID_SERVICE_CONTROL;
 101             break;
 102
 103         default:
 104             dwError = ERROR_INVALID_SERVICE_CONTROL;
 105     }
 106
 107 done:;
 108     DPRINT("ScmControlDriver() done (Erorr: %lu)\n", dwError);
 109
 110     return dwError;
 111 }
 112
 113 /* EOF */