[PATCH 0/1] MR691: ntoskrnl: implement IoCreateFileEx

[Etaash Mathamsetty (＠etaash.mathamsetty)]

required for vgk.sys (vanguard anti-cheat)
fixes bug #51939

[PATCH 1/1] ntoskrnl: implement IoCreateFileEx

[Etaash Mathamsetty]

From: Etaash Mathamsetty

---
 dlls/ntoskrnl.exe/ntoskrnl.c        | 18 ++++++++++++++++--
 dlls/ntoskrnl.exe/ntoskrnl.exe.spec |  1 +
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 085d0eebaef..eb52046b711 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -4005,6 +4005,19 @@ NTSTATUS WINAPI ZwUnloadDriver( const UNICODE_STRING *service_name )
     return STATUS_SUCCESS;
 }

+/***********************************************************************
+ *           IoCreateFileEx (NTOSKRNL.EXE.@)
+ */
+NTSTATUS WINAPI IoCreateFileEx(HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
+                              IO_STATUS_BLOCK *io, LARGE_INTEGER *alloc_size, ULONG attributes, ULONG sharing,
+                              ULONG disposition, ULONG create_options, VOID *ea_buffer, ULONG ea_length,
+                              CREATE_FILE_TYPE file_type, VOID *parameters, ULONG options, void* driverctx)
+{
+    FIXME(": semi-stub\n");
+    return NtCreateFile(handle, access, attr, io, alloc_size, attributes, sharing, disposition,
+                        create_options, ea_buffer, ea_length);
+}
+
 /***********************************************************************
  *           IoCreateFile (NTOSKRNL.EXE.@)
  */
@@ -4013,8 +4026,9 @@ NTSTATUS WINAPI IoCreateFile(HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBUT
                               ULONG disposition, ULONG create_options, VOID *ea_buffer, ULONG ea_length,
                               CREATE_FILE_TYPE file_type, VOID *parameters, ULONG options )
 {
-    FIXME(": stub\n");
-    return STATUS_NOT_IMPLEMENTED;
+    FIXME(": semi-stub\n");
+    return IoCreateFileEx(handle, access, attr, io, alloc_size, attributes, sharing, disposition,
+                          create_options, ea_buffer, ea_length, file_type, parameters, options, NULL);
 }

/***********************************************************************
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index 460d7d0459f..e22e07baf5c 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -357,6 +357,7 @@
 @ stdcall IoCreateDeviceSecure(ptr long ptr long long long ptr ptr ptr)
 @ stub IoCreateDisk
 @ stdcall IoCreateDriver(ptr ptr)
+@ stdcall IoCreateFileEx(ptr long ptr ptr ptr long long long long ptr long long ptr long ptr)
 @ stdcall IoCreateFile(ptr long ptr ptr ptr long long long long ptr long long ptr long)
 @ stub IoCreateFileSpecifyDeviceObjectHint
 @ stdcall IoCreateNotificationEvent(ptr ptr)