[gedmurphy] 29014: - Share a client service handle with the SCM and use it to identify services. - This fixes the problem where a service name created via CreateService (reg key name) can be different than the one supplied in the call to StartServiceCtrlDispatcher. Windows can still start services in this situation, previously we would fail to find the right service.

Author: gedmurphy
Date: Wed Sep 12 12:46:00 2007
New Revision: 29014

URL: http://svn.reactos.org/svn/reactos?rev=29014&view=rev
Log:
- Share a client service handle with the SCM and use it to identify services.
- This fixes the problem where a service name created via CreateService (reg key name) can
be different than the one supplied in the call to StartServiceCtrlDispatcher. Windows can
still start services in this situation, previously we would fail to find the right
service.

Modified:
    trunk/reactos/dll/win32/advapi32/service/sctrl.c

Modified: trunk/reactos/dll/win32/advapi32/service/sctrl.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/service…
==============================================================================
--- trunk/reactos/dll/win32/advapi32/service/sctrl.c (original)
+++ trunk/reactos/dll/win32/advapi32/service/sctrl.c Wed Sep 12 12:46:00 2007
@@ -1,14 +1,13 @@
-/* $Id$
- *
- * COPYRIGHT:       See COPYING in the top level directory
- * PROJECT:         ReactOS system libraries
- * FILE:            lib/advapi32/service/sctrl.c
- * PURPOSE:         Service control manager functions
- * PROGRAMMER:      Emanuele Aliberti
- * UPDATE HISTORY:
- *	19990413 EA	created
- *	19990515 EA
- */
+/*
+ * PROJECT:     ReactOS advapi32
+ * LICENSE:     GPL - See COPYING in the top level directory
+ * FILE:        dll/win32/advapi32/service/sctrl.c
+ * PURPOSE:     Service control manager functions
+ * COPYRIGHT:   Copyright 1999 Emanuele Aliberti
+ *              Copyright 2007 Ged Murphy <gedmurphy(a)reactos.org>
+ *
+ */
+
 
 /* INCLUDES ******************************************************************/
 
@@ -24,7 +23,7 @@
 
 typedef struct _ACTIVE_SERVICE
 {
-    SERVICE_STATUS_HANDLE hServiceStatus;
+    CLIENT_HANDLE hService;
     UNICODE_STRING ServiceName;
     union
     {
@@ -226,18 +225,17 @@
         return ERROR_FAILED_SERVICE_CONTROLLER_CONNECT;
     }
 
-    /* HACK: send the SERVICE_STATUS_HANDLE handle */
+    /* Share the SERVICE_HANDLE handle with the SCM */
     WriteFile(*hPipe,
-              (DWORD *)&lpActiveServices->hServiceStatus,
-              sizeof(SERVICE_STATUS_HANDLE),
+              (DWORD *)&lpActiveServices->hService,
+              sizeof(CLIENT_HANDLE),
               &dwBytesWritten,
               NULL);
 
-    DPRINT("Sent SERVICE_STATUS_HANDLE handle %lu\n",
lpActiveServices->hServiceStatus);
+    DPRINT("Sent SERVICE_HANDLE %lu\n", lpActiveServices->hService);
 
     return ERROR_SUCCESS;
 }
-
 
 
 static DWORD
@@ -248,12 +246,16 @@
     DWORD ThreadId;
 
     DPRINT("ScStartService() called\n");
+    DPRINT("client handle: %lu\n", ControlPacket->hClient);
     DPRINT("Size: %lu\n", ControlPacket->dwSize);
     DPRINT("Service: %S\n", &ControlPacket->szArguments[0]);
 
-    lpService = ScLookupServiceByServiceName(&ControlPacket->szArguments[0]);
+    lpService = (PACTIVE_SERVICE)ControlPacket->hClient;
     if (lpService == NULL)
+    {
+        DPRINT1("Service not found\n");
         return ERROR_SERVICE_DOES_NOT_EXIST;
+    }
 
     lpService->Arguments = HeapAlloc(GetProcessHeap(),
                                      HEAP_ZERO_MEMORY,
@@ -291,18 +293,19 @@
     DPRINT("Size: %lu\n", ControlPacket->dwSize);
     DPRINT("Service: %S\n", &ControlPacket->szArguments[0]);
 
-    lpService = ScLookupServiceByServiceName(&ControlPacket->szArguments[0]);
+    lpService = (PACTIVE_SERVICE)ControlPacket->hClient;
     if (lpService == NULL)
+    {
+        DPRINT1("Service not found\n");
         return ERROR_SERVICE_DOES_NOT_EXIST;
+    }
 
     if (lpService->HandlerFunction)
     {
-        DPRINT("Calling HandlerFunction with %lu\n",
ControlPacket->dwControl);
         (lpService->HandlerFunction)(ControlPacket->dwControl);
     }
     else if (lpService->HandlerFunctionEx)
     {
-        DPRINT("Calling HandlerFunctionEx with %lu\n",
ControlPacket->dwControl);
         /* FIXME: send correct params */
         (lpService->HandlerFunctionEx)(ControlPacket->dwControl, 0, NULL, NULL);
     }
@@ -333,8 +336,8 @@
     DPRINT("ScDispatcherLoop() called\n");
 
     ControlPacket = HeapAlloc(GetProcessHeap(),
-                       HEAP_ZERO_MEMORY,
-                       1024);
+                              HEAP_ZERO_MEMORY,
+                              1024);
     if (ControlPacket == NULL)
         return FALSE;
 
@@ -433,9 +436,9 @@
     Service->HandlerFunction = lpHandlerProc;
     Service->HandlerFunctionEx = NULL;
 
-    DPRINT("RegisterServiceCtrlHandler returning %lu\n",
Service->hServiceStatus);
-
-    return Service->hServiceStatus;
+    DPRINT("RegisterServiceCtrlHandler returning %lu\n",
Service->hService);
+
+    return (SERVICE_STATUS_HANDLE)Service->hService;
 }
 
 
@@ -482,7 +485,6 @@
 {
     PACTIVE_SERVICE Service;
 
-    /* FIXME: WinXP can start services with incorrect names */
     Service = ScLookupServiceByServiceName(lpServiceName);
     if (Service == NULL)
     {
@@ -493,9 +495,9 @@
     Service->HandlerFunctionEx = lpHandlerProc;
     Service->HandlerContext = lpContext;
 
-    DPRINT("RegisterServiceCtrlHandlerEx returning %lu",
Service->hServiceStatus);
-
-    return Service->hServiceStatus;
+    DPRINT("RegisterServiceCtrlHandlerEx returning %lu",
Service->hService);
+
+    return (SERVICE_STATUS_HANDLE)Service->hService;
 }
 
 
@@ -551,7 +553,7 @@
 /**********************************************************************
  *	StartServiceCtrlDispatcherA
  *
- * @unimplemented
+ * @implemented
  */
 BOOL STDCALL
 StartServiceCtrlDispatcherA(LPSERVICE_TABLE_ENTRYA lpServiceStartTable)
@@ -584,7 +586,7 @@
         RtlCreateUnicodeStringFromAsciiz(&lpActiveServices[i].ServiceName,
                                          lpServiceStartTable[i].lpServiceName);
         lpActiveServices[i].Main.lpFuncA = lpServiceStartTable[i].lpServiceProc;
-        lpActiveServices[i].hServiceStatus =
(SERVICE_STATUS_HANDLE)&lpActiveServices[i];
+        lpActiveServices[i].hService = (CLIENT_HANDLE)&lpActiveServices[i];
         lpActiveServices[i].bUnicode = FALSE;
     }
 
@@ -629,7 +631,7 @@
 /**********************************************************************
  *	StartServiceCtrlDispatcherW
  *
- * @unimplemented
+ * @implemented
  */
 BOOL STDCALL
 StartServiceCtrlDispatcherW(LPSERVICE_TABLE_ENTRYW lpServiceStartTable)
@@ -662,7 +664,7 @@
         RtlCreateUnicodeString(&lpActiveServices[i].ServiceName,
                                lpServiceStartTable[i].lpServiceName);
         lpActiveServices[i].Main.lpFuncW = lpServiceStartTable[i].lpServiceProc;
-        lpActiveServices[i].hServiceStatus =
(SERVICE_STATUS_HANDLE)&lpActiveServices[i];
+        lpActiveServices[i].hService = (CLIENT_HANDLE)&lpActiveServices[i];
         lpActiveServices[i].bUnicode = TRUE;
     }