[PATCH v6 1/2] ntdll: Create NtLoadKeyEx syscall stub.

[Santino Mazza]

From: Santino Mazza

Signed-off-by: Santino Mazza 
---
 dlls/ntdll/ntdll.spec      |  1 +
 dlls/ntdll/unix/loader.c   |  1 +
 dlls/ntdll/unix/registry.c | 10 ++++++++++
 dlls/wow64/registry.c      | 24 ++++++++++++++++++++++++
 dlls/wow64/syscall.h       |  1 +
 include/winternl.h         |  1 +
 6 files changed, 38 insertions(+)

diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec
index c294490d544..7469763e7dc 100644
--- a/dlls/ntdll/ntdll.spec
+++ b/dlls/ntdll/ntdll.spec
@@ -244,6 +244,7 @@
 @ stdcall -syscall NtLoadDriver(ptr)
 @ stdcall -syscall NtLoadKey2(ptr ptr long)
 @ stdcall -syscall NtLoadKey(ptr ptr)
+@ stdcall -syscall NtLoadKeyEx(ptr ptr long long long long ptr ptr)
 @ stdcall -syscall NtLockFile(long long ptr ptr ptr ptr ptr ptr long long)
 # @ stub NtLockProductActivationKeys
 # @ stub NtLockRegistryKey
diff --git a/dlls/ntdll/unix/loader.c b/dlls/ntdll/unix/loader.c
index f58a716d08c..b78efddee1f 100644
--- a/dlls/ntdll/unix/loader.c
+++ b/dlls/ntdll/unix/loader.c
@@ -203,6 +203,7 @@ static void * const syscalls[] =
     NtLoadDriver,
     NtLoadKey,
     NtLoadKey2,
+    NtLoadKeyEx,
     NtLockFile,
     NtLockVirtualMemory,
     NtMakeTemporaryObject,
diff --git a/dlls/ntdll/unix/registry.c b/dlls/ntdll/unix/registry.c
index 693a594e84b..8af3fda7f0c 100644
--- a/dlls/ntdll/unix/registry.c
+++ b/dlls/ntdll/unix/registry.c
@@ -729,6 +729,16 @@ NTSTATUS WINAPI NtLoadKey2( const OBJECT_ATTRIBUTES *attr, OBJECT_ATTRIBUTES *fi
     return NtLoadKey( attr, file );
 }

+/******************************************************************************
+ *              NtLoadKeyEx  (NTDLL.@)
+ */
+NTSTATUS WINAPI NtLoadKeyEx( const OBJECT_ATTRIBUTES *attr, OBJECT_ATTRIBUTES *file, ULONG flags, HANDLE trustkey,
+                             HANDLE event, ACCESS_MASK access, HANDLE *roothandle, IO_STATUS_BLOCK *iostatus )
+{
+    FIXME( "(%p,%p,0x%08x,%p,%p,0x%08x,%p,%p) stub\n", attr, file, flags, trustkey, event,
+                                                        access, roothandle, iostatus );
+    return STATUS_NOT_IMPLEMENTED;
+}

/******************************************************************************
  *              NtUnloadKey  (NTDLL.@)
diff --git a/dlls/wow64/registry.c b/dlls/wow64/registry.c
index dfb75d72bc7..2d2da744479 100644
--- a/dlls/wow64/registry.c
+++ b/dlls/wow64/registry.c
@@ -181,6 +181,30 @@ NTSTATUS WINAPI wow64_NtLoadKey2( UINT *args )
     return NtLoadKey2( objattr_32to64( &attr, attr32 ), objattr_32to64( &file, file32 ), flags );
 }

+/**********************************************************************
+ *           wow64_NtLoadKeyEx
+ */
+NTSTATUS WINAPI wow64_NtLoadKeyEx( UINT *args )
+{
+    OBJECT_ATTRIBUTES32 *attr32 = get_ptr( &args );
+    OBJECT_ATTRIBUTES32 *file32 = get_ptr( &args );
+    ULONG flags = get_ulong( &args );
+    HANDLE trustkey = get_handle( &args );
+    HANDLE event = get_handle( &args );
+    ACCESS_MASK desired_access = get_ulong( &args );
+    HANDLE *rootkey = get_ptr( &args );
+    IO_STATUS_BLOCK32 *io32 = get_ptr( &args );
+
+    struct object_attr64 attr, file;
+    IO_STATUS_BLOCK io;
+    NTSTATUS status;
+
+    status = NtLoadKeyEx( objattr_32to64( &attr, attr32 ), objattr_32to64( &file, file32 ), flags,
+                        trustkey, event, desired_access, rootkey, iosb_32to64( &io, io32 ) );
+    put_iosb( io32, &io );
+    return status;
+}
+

/**********************************************************************
  *           wow64_NtNotifyChangeKey
diff --git a/dlls/wow64/syscall.h b/dlls/wow64/syscall.h
index 65fbca89f4f..b2b1ad6c2a8 100644
--- a/dlls/wow64/syscall.h
+++ b/dlls/wow64/syscall.h
@@ -104,6 +104,7 @@
     SYSCALL_ENTRY( NtLoadDriver ) \
     SYSCALL_ENTRY( NtLoadKey ) \
     SYSCALL_ENTRY( NtLoadKey2 ) \
+    SYSCALL_ENTRY( NtLoadKeyEx ) \
     SYSCALL_ENTRY( NtLockFile ) \
     SYSCALL_ENTRY( NtLockVirtualMemory ) \
     SYSCALL_ENTRY( NtMakeTemporaryObject ) \
diff --git a/include/winternl.h b/include/winternl.h
index 19354dd7ffb..beb0cb7aa05 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -4024,6 +4024,7 @@ NTSYSAPI NTSTATUS  WINAPI NtListenPort(HANDLE,PLPC_MESSAGE);
 NTSYSAPI NTSTATUS  WINAPI NtLoadDriver(const UNICODE_STRING *);
 NTSYSAPI NTSTATUS  WINAPI NtLoadKey(const OBJECT_ATTRIBUTES *,OBJECT_ATTRIBUTES *);
 NTSYSAPI NTSTATUS  WINAPI NtLoadKey2(const OBJECT_ATTRIBUTES *,OBJECT_ATTRIBUTES *,ULONG);
+NTSYSAPI NTSTATUS  WINAPI NtLoadKeyEx(const OBJECT_ATTRIBUTES *,OBJECT_ATTRIBUTES *,ULONG,HANDLE,HANDLE,ACCESS_MASK,HANDLE *,IO_STATUS_BLOCK *);
 NTSYSAPI NTSTATUS  WINAPI NtLockFile(HANDLE,HANDLE,PIO_APC_ROUTINE,void*,PIO_STATUS_BLOCK,PLARGE_INTEGER,PLARGE_INTEGER,ULONG*,BOOLEAN,BOOLEAN);
 NTSYSAPI NTSTATUS  WINAPI NtLockVirtualMemory(HANDLE,PVOID*,SIZE_T*,ULONG);
 NTSYSAPI NTSTATUS  WINAPI NtMakeTemporaryObject(HANDLE);