[KERNEL32][SDK] RegisterConsoleIME and UnregisterConsoleIME (#5270)

The conime.exe program exists in WinXP/Win2k3 and it realizes Console IME. conime.exe calls kernel32!RegisterConsoleIME and kernel32!UnregisterConsoleIME. To realize Console IME, these two functions are required. CORE-11700

dll/win32/kernel32/client/console/console.c

@@ -3030,13 +3030,109 @@ SetConsoleLocalEUDC(DWORD Unknown1, DWORD Unknown2, DWORD Unknown3, DWORD Unknow
     return FALSE;
 }
 
+static BOOL
+IntRegisterConsoleIME(
+    _In_ HWND hWnd,
+    _In_ DWORD dwThreadId,
+    _In_opt_ SIZE_T cbDesktop,
+    _In_opt_ PWSTR pDesktop,
+    _Out_opt_ PDWORD pdwAttachToThreadId)
+{
+    CONSOLE_API_MESSAGE ApiMessage;
+    PCONSOLE_REGISTERCONSOLEIME RegisterConsoleIME = &ApiMessage.Data.RegisterConsoleIME;
+    PCSR_CAPTURE_BUFFER CaptureBuffer;
+
+    if (!cbDesktop || !pDesktop)
+    {
+        pDesktop = NtCurrentPeb()->ProcessParameters->DesktopInfo.Buffer;
+        cbDesktop = NtCurrentPeb()->ProcessParameters->DesktopInfo.Length;
+    }
+
+    cbDesktop = min(cbDesktop, (MAX_PATH + 1) * sizeof(WCHAR));
+
+    RegisterConsoleIME->ConsoleHandle = NtCurrentPeb()->ProcessParameters->ConsoleHandle;
+    RegisterConsoleIME->hWnd = hWnd;
+    RegisterConsoleIME->dwThreadId = dwThreadId;
+    RegisterConsoleIME->cbDesktop = cbDesktop;
+
+    CaptureBuffer = CsrAllocateCaptureBuffer(1, cbDesktop);
+    if (!CaptureBuffer)
+    {
+        SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+        return FALSE;
+    }
+
+    CsrCaptureMessageBuffer(CaptureBuffer,
+                            pDesktop,
+                            cbDesktop,
+                            (PVOID*)&RegisterConsoleIME->pDesktop);
+
+    CsrClientCallServer((PCSR_API_MESSAGE)&ApiMessage,
+                        CaptureBuffer,
+                        CSR_CREATE_API_NUMBER(CONSRV_SERVERDLL_INDEX, ConsolepRegisterConsoleIME),
+                        sizeof(*RegisterConsoleIME));
+
+    CsrFreeCaptureBuffer(CaptureBuffer);
+
+    if (!NT_SUCCESS(ApiMessage.Status))
+    {
+        BaseSetLastNTError(ApiMessage.Status);
+        return FALSE;
+    }
+
+    if (pdwAttachToThreadId)
+    {
+        _SEH2_TRY
+        {
+            *pdwAttachToThreadId = RegisterConsoleIME->dwAttachToThreadId;
+        }
+        _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+        {
+            BaseSetLastNTError(STATUS_ACCESS_VIOLATION);
+            _SEH2_YIELD(return FALSE);
+        }
+        _SEH2_END;
+    }
+
+    return TRUE;
+}
+
+static BOOL
+IntUnregisterConsoleIME(
+    _In_ DWORD dwThreadId)
+{
+    CONSOLE_API_MESSAGE ApiMessage;
+    PCONSOLE_UNREGISTERCONSOLEIME UnregisterConsoleIME = &ApiMessage.Data.UnregisterConsoleIME;
+
+    UnregisterConsoleIME->ConsoleHandle = NtCurrentPeb()->ProcessParameters->ConsoleHandle;
+    UnregisterConsoleIME->dwThreadId = dwThreadId;
+
+    CsrClientCallServer((PCSR_API_MESSAGE)&ApiMessage,
+                        NULL,
+                        CSR_CREATE_API_NUMBER(CONSRV_SERVERDLL_INDEX, ConsolepUnregisterConsoleIME),
+                        sizeof(*UnregisterConsoleIME));
+    if (!NT_SUCCESS(ApiMessage.Status))
+    {
+        BaseSetLastNTError(ApiMessage.Status);
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+/* This function is called by CONIME.EXE */
 BOOL
 WINAPI
 DECLSPEC_HOTPATCH
-RegisterConsoleIME(HWND hWnd, LPDWORD ThreadId)
+RegisterConsoleIME(
+    _In_ HWND hWnd,
+    _Out_opt_ LPDWORD pdwAttachToThreadId)
 {
-    STUB;
+    return IntRegisterConsoleIME(hWnd,
-    return FALSE;
+                                 GetCurrentThreadId(),
+                                 0,
+                                 NULL,
+                                 pdwAttachToThreadId);
 }
 
 BOOL
@@ -3057,13 +3153,13 @@ SetConsoleOS2OemFormat(BOOL bUnknown)
     return FALSE;
 }
 
+/* This function is called by CONIME.EXE */
 BOOL
 WINAPI
 DECLSPEC_HOTPATCH
 UnregisterConsoleIME(VOID)
 {
-    STUB;
+    return IntUnregisterConsoleIME(GetCurrentThreadId());
-    return FALSE;
 }
 
 /**

sdk/include/reactos/subsys/win/conmsg.h

@@ -894,6 +894,22 @@ typedef struct _CONSOLE_REGISTERVDM
     PVOID  VDMBuffer;
 } CONSOLE_REGISTERVDM, *PCONSOLE_REGISTERVDM;
 
+typedef struct _CONSOLE_REGISTERCONSOLEIME
+{
+    HANDLE ConsoleHandle;
+    HWND hWnd;
+    DWORD dwThreadId;
+    DWORD cbDesktop;
+    LPWSTR pDesktop;
+    DWORD dwAttachToThreadId;
+} CONSOLE_REGISTERCONSOLEIME, *PCONSOLE_REGISTERCONSOLEIME;
+
+typedef struct _CONSOLE_UNREGISTERCONSOLEIME
+{
+    HANDLE ConsoleHandle;
+    DWORD dwThreadId;
+} CONSOLE_UNREGISTERCONSOLEIME, *PCONSOLE_UNREGISTERCONSOLEIME;
+
 typedef struct _CONSOLE_API_MESSAGE
 {
     PORT_MESSAGE Header;
@@ -1002,6 +1018,10 @@ typedef struct _CONSOLE_API_MESSAGE
 
         /* Virtual DOS Machine */
         CONSOLE_REGISTERVDM RegisterVDMRequest;
+
+        /* Console IME */
+        CONSOLE_REGISTERCONSOLEIME RegisterConsoleIME;
+        CONSOLE_UNREGISTERCONSOLEIME UnregisterConsoleIME;
     } Data;
 } CONSOLE_API_MESSAGE, *PCONSOLE_API_MESSAGE;