From dbf39fce0ab54ac0b566bbbe2d8f85f839573b44 Mon Sep 17 00:00:00 2001
From: momo5502 <mauriceheumann@gmail.com>
Date: Wed, 5 Feb 2025 19:24:36 +0100
Subject: [PATCH] Support more features

---
 src/common/platform/process.hpp   |  6 +++
 src/windows-emulator/handles.hpp  |  1 +
 src/windows-emulator/syscalls.cpp | 61 ++++++++++++++++++++++++++++++-
 3 files changed, 67 insertions(+), 1 deletion(-)

diff --git a/src/common/platform/process.hpp b/src/common/platform/process.hpp
index 8467c2f9..1c057788 100644
--- a/src/common/platform/process.hpp
+++ b/src/common/platform/process.hpp
@@ -731,6 +731,12 @@ typedef struct _SYSTEM_RANGE_START_INFORMATION64
     EmulatorTraits<Emu64>::SIZE_T SystemRangeStart;
 } SYSTEM_RANGE_START_INFORMATION64, *PSYSTEM_RANGE_START_INFORMATION64;
 
+typedef struct _SYSTEM_KERNEL_DEBUGGER_INFORMATION
+{
+    BOOLEAN KernelDebuggerEnabled;
+    BOOLEAN KernelDebuggerNotPresent;
+} SYSTEM_KERNEL_DEBUGGER_INFORMATION, *PSYSTEM_KERNEL_DEBUGGER_INFORMATION;
+
 struct SID_AND_ATTRIBUTES64
 {
     EMULATOR_CAST(EmulatorTraits<Emu64>::PVOID, PSID) Sid;
diff --git a/src/windows-emulator/handles.hpp b/src/windows-emulator/handles.hpp
index 962b1a9f..4646bd3e 100644
--- a/src/windows-emulator/handles.hpp
+++ b/src/windows-emulator/handles.hpp
@@ -397,6 +397,7 @@ constexpr auto BASE_NAMED_OBJECTS_DIRECTORY = make_pseudo_handle(0x2, handle_typ
 
 constexpr auto KNOWN_DLLS_SYMLINK = make_pseudo_handle(0x1, handle_types::symlink);
 constexpr auto SHARED_SECTION = make_pseudo_handle(0x1, handle_types::section);
+constexpr auto DBWIN_BUFFER = make_pseudo_handle(0x2, handle_types::section);
 
 constexpr auto WER_PORT_READY = make_pseudo_handle(0x1, handle_types::event);
 
diff --git a/src/windows-emulator/syscalls.cpp b/src/windows-emulator/syscalls.cpp
index e17d1962..fdd30461 100644
--- a/src/windows-emulator/syscalls.cpp
+++ b/src/windows-emulator/syscalls.cpp
@@ -651,6 +651,12 @@ namespace
             return STATUS_SUCCESS;
         }
 
+        if (filename == u"DBWIN_BUFFER")
+        {
+            section_handle.write(DBWIN_BUFFER);
+            return STATUS_SUCCESS;
+        }
+
         if (filename == u"windows_shell_global_counters"             //
             || filename == u"{00020000-0000-1005-8005-0000C06B5161}" //
             || filename == u"Global\\{00020000-0000-1005-8005-0000C06B5161}")
@@ -1052,6 +1058,28 @@ namespace
             return STATUS_SUCCESS;
         }
 
+        if (info_class == SystemKernelDebuggerInformation)
+        {
+            if (return_length)
+            {
+                return_length.write(sizeof(SYSTEM_KERNEL_DEBUGGER_INFORMATION));
+            }
+
+            if (system_information_length != sizeof(SYSTEM_KERNEL_DEBUGGER_INFORMATION))
+            {
+                return STATUS_BUFFER_TOO_SMALL;
+            }
+
+            const emulator_object<SYSTEM_KERNEL_DEBUGGER_INFORMATION> info_obj{c.emu, system_information};
+
+            info_obj.access([&](SYSTEM_KERNEL_DEBUGGER_INFORMATION& info) {
+                info.KernelDebuggerEnabled = FALSE;
+                info.KernelDebuggerNotPresent = TRUE;
+            });
+
+            return STATUS_SUCCESS;
+        }
+
         if (info_class == SystemProcessInformation || info_class == SystemModuleInformation)
         {
             return STATUS_NOT_SUPPORTED;
@@ -1341,7 +1369,8 @@ namespace
             return STATUS_SUCCESS;
         }
 
-        if (info_class == ProcessDefaultHardErrorMode || info_class == ProcessWx86Information)
+        if (info_class == ProcessDefaultHardErrorMode || info_class == ProcessWx86Information ||
+            info_class == ProcessDebugFlags)
         {
             if (return_length)
             {
@@ -1359,6 +1388,24 @@ namespace
             return STATUS_SUCCESS;
         }
 
+        if (info_class == ProcessDebugObjectHandle)
+        {
+            if (return_length)
+            {
+                return_length.write(sizeof(handle));
+            }
+
+            if (process_information_length != sizeof(handle))
+            {
+                return STATUS_BUFFER_OVERFLOW;
+            }
+
+            const emulator_object<handle> info{c.emu, process_information};
+            info.write(NULL_HANDLE);
+
+            return STATUS_SUCCESS;
+        }
+
         if (info_class == ProcessEnclaveInformation || info_class == ProcessMitigationPolicy)
         {
             return STATUS_NOT_SUPPORTED;
@@ -3524,11 +3571,21 @@ namespace
         return STATUS_NOT_SUPPORTED;
     }
 
+    NTSTATUS handle_NtSystemDebugControl()
+    {
+        return STATUS_NOT_SUPPORTED;
+    }
+
     NTSTATUS handle_NtUserFindWindowEx()
     {
         return 0;
     }
 
+    NTSTATUS handle_NtUserMoveWindow()
+    {
+        return 0;
+    }
+
     NTSTATUS handle_NtGetNextThread(const syscall_context& c, const handle process_handle, const handle thread_handle,
                                     const ACCESS_MASK /*desired_access*/, const ULONG /*handle_attributes*/,
                                     const ULONG flags, const emulator_object<handle> new_thread_handle)
@@ -3763,6 +3820,8 @@ void syscall_dispatcher::add_handlers(std::map<std::string, syscall_handler>& ha
     add_handler(NtUserFindExistingCursorIcon);
     add_handler(NtSetContextThread);
     add_handler(NtUserFindWindowEx);
+    add_handler(NtUserMoveWindow);
+    add_handler(NtSystemDebugControl);
 
 #undef add_handler
 }