A starting process must obey the STARTF_USESTDHANDLES flag and use the

dlls/kernel/console.c

@@ -1142,6 +1142,7 @@ BOOL WINAPI AllocConsole(void)
     if (!start_console_renderer(&siConsole))
 	goto the_end;
 
+    if( !(siCurrent.dwFlags & STARTF_USESTDHANDLES) ) {
         /* all std I/O handles are inheritable by default */
         sa.nLength = sizeof(sa);
         sa.lpSecurityDescriptor = NULL;
@@ -1155,9 +1156,15 @@ BOOL WINAPI AllocConsole(void)
                                   0, &sa, OPEN_EXISTING, 0, 0 );
         if (handle_out == INVALID_HANDLE_VALUE) goto the_end;
   
-    if (!DuplicateHandle(GetCurrentProcess(), handle_out, GetCurrentProcess(), &handle_err,
-			 0, TRUE, DUPLICATE_SAME_ACCESS))
+        if (!DuplicateHandle(GetCurrentProcess(), handle_out, GetCurrentProcess(),
+                    &handle_err, 0, TRUE, DUPLICATE_SAME_ACCESS))
             goto the_end;
+    } else {
+        /*  STARTF_USESTDHANDLES flag: use handles from StartupInfo */
+        handle_in  =  siCurrent.hStdInput;
+        handle_out =  siCurrent.hStdOutput;
+        handle_err =  siCurrent.hStdError;
+    }
 
     /* NT resets the STD_*_HANDLEs on console alloc */
     SetStdHandle(STD_INPUT_HANDLE,  handle_in);

server/process.c

@@ -207,12 +207,9 @@ static void set_process_startup_state( struct process *process, enum startup_sta
 static int set_process_console( struct process *process, struct thread *parent_thread,
                                 struct startup_info *info, struct init_process_reply *reply )
 {
-    if (process->create_flags & CREATE_NEW_CONSOLE)
+    if (info)
     {
-        /* let the process init do the allocation */
-        return 1;
-    }
-    else if (info && !(process->create_flags & DETACHED_PROCESS))
+        if (!(process->create_flags & (DETACHED_PROCESS | CREATE_NEW_CONSOLE)))
         {
             /* FIXME: some better error checking should be done...
              * like if hConOut and hConIn are console handles, then they should be on the same
@@ -220,9 +217,7 @@ static int set_process_console( struct process *process, struct thread *parent_t
              */
             inherit_console( parent_thread, process, info->inherit_all ? info->hstdin : 0 );
         }
-    if (info)
-    {
-        if (!info->inherit_all)
+        if (!info->inherit_all && !(process->create_flags & CREATE_NEW_CONSOLE))
         {
             reply->hstdin  = duplicate_handle( parent_thread->process, info->hstdin, process,
                                                0, TRUE, DUPLICATE_SAME_ACCESS );