[CSRSRV] Only when CSRSRV is compiled in debugging mode, should we display debugging...
[reactos.git] / subsystems / win32 / csrsrv / api.c
index 12bcfba..9c86c58 100644 (file)
@@ -3,7 +3,7 @@
  * PROJECT:         ReactOS Client/Server Runtime SubSystem
  * FILE:            subsystems/win32/csrsrv/api.c
  * PURPOSE:         CSR Server DLL API LPC Implementation
- *                  "\windows\ApiPort" port process management functions
+ *                  "\Windows\ApiPort" port process management functions
  * PROGRAMMERS:     Alex Ionescu (alex@relsoft.net)
  */
 
@@ -78,16 +78,16 @@ CsrCallServerFromServer(IN PCSR_API_MESSAGE ReceiveMsg,
             ((ServerDll->ValidTable) && !(ServerDll->ValidTable[ApiId])))
         {
             /* We are beyond the Maximum API ID, or it doesn't exist */
-            DPRINT1("API: %d\n", ApiId);
 #ifdef CSR_DBG
+            DPRINT1("API: %d\n", ApiId);
             DPRINT1("CSRSS: %lx (%s) is invalid ApiTableIndex for %Z or is an "
                     "invalid API to call from the server.\n",
                     ApiId,
                     ((ServerDll->NameTable) && (ServerDll->NameTable[ApiId])) ?
                     ServerDll->NameTable[ApiId] : "*** UNKNOWN ***",
                     &ServerDll->Name);
+            if (NtCurrentPeb()->BeingDebugged) DbgBreakPoint();
 #endif
-            // DbgBreakPoint();
             ReplyMsg->Status = STATUS_ILLEGAL_FUNCTION;
             return STATUS_ILLEGAL_FUNCTION;
         }
@@ -156,52 +156,28 @@ CsrApiHandleConnectionRequest(IN PCSR_API_MESSAGE ApiMessage)
     /* Check if we have a thread */
     if (CsrThread)
     {
-        /* Get the Process */
+        /* Get the Process and make sure we have it as well */
         CsrProcess = CsrThread->Process;
-
-        /* Make sure we have a Process as well */
         if (CsrProcess)
         {
             /* Reference the Process */
             CsrLockedReferenceProcess(CsrProcess);
 
-            /* Release the lock */
-            CsrReleaseProcessLock();
-
-            /* Duplicate the Object Directory */
-            Status = NtDuplicateObject(NtCurrentProcess(),
-                                       CsrObjectDirectory,
-                                       CsrProcess->ProcessHandle,
-                                       &ConnectInfo->ObjectDirectory,
-                                       0,
-                                       0,
-                                       DUPLICATE_SAME_ACCESS |
-                                       DUPLICATE_SAME_ATTRIBUTES);
-
-            /* Acquire the lock */
-            CsrAcquireProcessLock();
-
-            /* Check for success */
+            /* Attach the Shared Section */
+            Status = CsrSrvAttachSharedSection(CsrProcess, ConnectInfo);
             if (NT_SUCCESS(Status))
             {
-                /* Attach the Shared Section */
-                Status = CsrSrvAttachSharedSection(CsrProcess, ConnectInfo);
-
-                /* Check how this went */
-                if (NT_SUCCESS(Status))
-                {
-                    /* Allow the connection, and return debugging flag */
-                    ConnectInfo->DebugFlags = CsrDebug;
-                    AllowConnection = TRUE;
-                }
+                /* Allow the connection and return debugging flag */
+                ConnectInfo->DebugFlags = CsrDebug;
+                AllowConnection = TRUE;
             }
 
-            /* Dereference the project */
+            /* Dereference the Process */
             CsrLockedDereferenceProcess(CsrProcess);
         }
     }
 
-    /* Release the lock */
+    /* Release the Process Lock */
     CsrReleaseProcessLock();
 
     /* Setup the Port View Structure */
@@ -213,6 +189,7 @@ CsrApiHandleConnectionRequest(IN PCSR_API_MESSAGE ApiMessage)
     ConnectInfo->ServerProcessId = NtCurrentTeb()->ClientId.UniqueProcess;
 
     /* Accept the Connection */
+    ASSERT(!AllowConnection || (AllowConnection && CsrProcess));
     Status = NtAcceptConnectPort(&ServerPort,
                                  AllowConnection ? UlongToPtr(CsrProcess->SequenceNumber) : 0,
                                  &ApiMessage->Header,
@@ -406,6 +383,7 @@ CsrApiRequestThread(IN PVOID Parameter)
         /* Make sure the real CID is set */
         Teb->RealClientId = Teb->ClientId;
 
+#ifdef CSR_DBG
         /* Debug check */
         if (Teb->CountOfOwnedCriticalSections)
         {
@@ -415,6 +393,7 @@ CsrApiRequestThread(IN PVOID Parameter)
                     &ReceiveMsg, ReplyMsg);
             DbgBreakPoint();
         }
+#endif
 
         /* Wait for a message to come through */
         Status = NtReplyWaitReceivePort(ReplyPort,
@@ -428,15 +407,17 @@ CsrApiRequestThread(IN PVOID Parameter)
             /* Was it a failure or another success code? */
             if (!NT_SUCCESS(Status))
             {
+#ifdef CSR_DBG
                 /* Check for specific status cases */
                 if ((Status != STATUS_INVALID_CID) &&
                     (Status != STATUS_UNSUCCESSFUL) &&
-                    ((Status == STATUS_INVALID_HANDLE) || (ReplyPort == CsrApiPort)))
+                    ((Status != STATUS_INVALID_HANDLE) || (ReplyPort == CsrApiPort)))
                 {
                     /* Notify the debugger */
                     DPRINT1("CSRSS: ReceivePort failed - Status == %X\n", Status);
                     DPRINT1("CSRSS: ReplyPortHandle %lx CsrApiPort %lx\n", ReplyPort, CsrApiPort);
                 }
+#endif
 
                 /* We failed big time, so start out fresh */
                 ReplyMsg = NULL;
@@ -451,6 +432,9 @@ CsrApiRequestThread(IN PVOID Parameter)
             }
         }
 
+        // ASSERT(ReceiveMsg.Header.u1.s1.TotalLength >= sizeof(PORT_MESSAGE));
+        // ASSERT(ReceiveMsg.Header.u1.s1.TotalLength <  sizeof(ReceiveMsg));
+
         /* Use whatever Client ID we got */
         Teb->RealClientId = ReceiveMsg.Header.ClientId;
 
@@ -558,9 +542,11 @@ CsrApiRequestThread(IN PVOID Parameter)
                     (!(ServerDll = CsrLoadedServerDll[ServerId])))
                 {
                     /* We are beyond the Maximum Server ID */
+#ifdef CSR_DBG
                     DPRINT1("CSRSS: %lx is invalid ServerDllIndex (%08x)\n",
                             ServerId, ServerDll);
-                    // DbgBreakPoint();
+                    if (NtCurrentPeb()->BeingDebugged) DbgBreakPoint();
+#endif
 
                     ReplyMsg = NULL;
                     ReplyPort = CsrApiPort;
@@ -760,9 +746,11 @@ CsrApiRequestThread(IN PVOID Parameter)
             (!(ServerDll = CsrLoadedServerDll[ServerId])))
         {
             /* We are beyond the Maximum Server ID */
+#ifdef CSR_DBG
             DPRINT1("CSRSS: %lx is invalid ServerDllIndex (%08x)\n",
                     ServerId, ServerDll);
-            // DbgBreakPoint();
+            if (NtCurrentPeb()->BeingDebugged) DbgBreakPoint();
+#endif
 
             ReplyPort = CsrApiPort;
             ReplyMsg = &ReceiveMsg;
@@ -852,7 +840,10 @@ CsrApiRequestThread(IN PVOID Parameter)
             else if (ReplyCode == CsrReplyDeadClient)
             {
                 /* Reply to the death message */
-                NtReplyPort(ReplyPort, &ReplyMsg->Header);
+                NTSTATUS Status2;
+                Status2 = NtReplyPort(ReplyPort, &ReplyMsg->Header);
+                if (!NT_SUCCESS(Status2))
+                    DPRINT1("CSRSS: Error while replying to the death message, Status 0x%lx\n", Status2);
 
                 /* Reply back to the API port now */
                 ReplyMsg = NULL;
@@ -1066,8 +1057,9 @@ CsrConnectToUser(VOID)
     _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
     {
         Connected = FALSE;
-    } _SEH2_END;
-    
+    }
+    _SEH2_END;
+
     if (!Connected)
     {
         DPRINT1("CSRSS: CsrConnectToUser failed\n");
@@ -1157,9 +1149,11 @@ CsrCaptureArguments(IN PCSR_THREAD CsrThread,
                 (LocalCaptureBuffer->PointerCount * sizeof(PVOID)) > Length) ||
             (LocalCaptureBuffer->PointerCount > MAXUSHORT))
         {
-            /* Return failure */
+#ifdef CSR_DBG
             DPRINT1("*** CSRSS: CaptureBuffer %p has bad length\n", LocalCaptureBuffer);
-            DbgBreakPoint();
+            if (NtCurrentPeb()->BeingDebugged) DbgBreakPoint();
+#endif
+            /* Return failure */
             ApiMessage->Status = STATUS_INVALID_PARAMETER;
             _SEH2_YIELD(return FALSE);
         }
@@ -1210,9 +1204,11 @@ CsrCaptureArguments(IN PCSR_THREAD CsrThread,
             }
             else
             {
-                /* Invalid pointer, fail */
+#ifdef CSR_DBG
                 DPRINT1("*** CSRSS: CaptureBuffer MessagePointer outside of ClientView\n");
-                DbgBreakPoint();
+                if (NtCurrentPeb()->BeingDebugged) DbgBreakPoint();
+#endif
+                /* Invalid pointer, fail */
                 ApiMessage->Status = STATUS_INVALID_PARAMETER;
             }
         }
@@ -1399,8 +1395,10 @@ CsrValidateMessageBuffer(IN PCSR_API_MESSAGE ApiMessage,
     }
 
     /* Failure */
+#ifdef CSR_DBG
     DPRINT1("CSRSRV: Bad message buffer %p\n", ApiMessage);
-    DbgBreakPoint();
+    if (NtCurrentPeb()->BeingDebugged) DbgBreakPoint();
+#endif
     return FALSE;
 }
 
@@ -1425,7 +1423,7 @@ CsrValidateMessageBuffer(IN PCSR_API_MESSAGE ApiMessage,
 BOOLEAN
 NTAPI
 CsrValidateMessageString(IN PCSR_API_MESSAGE ApiMessage,
-                         IN LPWSTR *MessageString)
+                         IN PWSTR *MessageString)
 {
     if (MessageString)
     {