Sweden-Number/dlls/wow64win/wow64win_private.h

128 lines
4.1 KiB
C

/*
* WoW64 private definitions
*
* Copyright 2021 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WOW64WIN_PRIVATE_H
#define __WOW64WIN_PRIVATE_H
#include "syscall.h"
#define SYSCALL_ENTRY(func) extern NTSTATUS WINAPI wow64_ ## func( UINT *args ) DECLSPEC_HIDDEN;
ALL_WIN32_SYSCALLS
#undef SYSCALL_ENTRY
void * WINAPI Wow64AllocateTemp( SIZE_T size );
struct object_attr64
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING str;
SECURITY_DESCRIPTOR sd;
};
typedef struct
{
ULONG Length;
ULONG RootDirectory;
ULONG ObjectName;
ULONG Attributes;
ULONG SecurityDescriptor;
ULONG SecurityQualityOfService;
} OBJECT_ATTRIBUTES32;
static inline ULONG get_ulong( UINT **args ) { return *(*args)++; }
static inline HANDLE get_handle( UINT **args ) { return LongToHandle( *(*args)++ ); }
static inline void *get_ptr( UINT **args ) { return ULongToPtr( *(*args)++ ); }
static inline void **addr_32to64( void **addr, ULONG *addr32 )
{
if (!addr32) return NULL;
*addr = ULongToPtr( *addr32 );
return addr;
}
static inline SIZE_T *size_32to64( SIZE_T *size, ULONG *size32 )
{
if (!size32) return NULL;
*size = *size32;
return size;
}
static inline void put_addr( ULONG *addr32, void *addr )
{
if (addr32) *addr32 = PtrToUlong( addr );
}
static inline void put_size( ULONG *size32, SIZE_T size )
{
if (size32) *size32 = min( size, MAXDWORD );
}
static inline UNICODE_STRING *unicode_str_32to64( UNICODE_STRING *str, const UNICODE_STRING32 *str32 )
{
if (!str32) return NULL;
str->Length = str32->Length;
str->MaximumLength = str32->MaximumLength;
str->Buffer = ULongToPtr( str32->Buffer );
return str;
}
static inline SECURITY_DESCRIPTOR *secdesc_32to64( SECURITY_DESCRIPTOR *out, const SECURITY_DESCRIPTOR *in )
{
/* relative descr has the same layout for 32 and 64 */
const SECURITY_DESCRIPTOR_RELATIVE *sd = (const SECURITY_DESCRIPTOR_RELATIVE *)in;
if (!in) return NULL;
out->Revision = sd->Revision;
out->Sbz1 = sd->Sbz1;
out->Control = sd->Control & ~SE_SELF_RELATIVE;
if (sd->Control & SE_SELF_RELATIVE)
{
if (sd->Owner) out->Owner = (PSID)((BYTE *)sd + sd->Owner);
if (sd->Group) out->Group = (PSID)((BYTE *)sd + sd->Group);
if ((sd->Control & SE_SACL_PRESENT) && sd->Sacl) out->Sacl = (PSID)((BYTE *)sd + sd->Sacl);
if ((sd->Control & SE_DACL_PRESENT) && sd->Dacl) out->Dacl = (PSID)((BYTE *)sd + sd->Dacl);
}
else
{
out->Owner = ULongToPtr( sd->Owner );
out->Group = ULongToPtr( sd->Group );
if (sd->Control & SE_SACL_PRESENT) out->Sacl = ULongToPtr( sd->Sacl );
if (sd->Control & SE_DACL_PRESENT) out->Dacl = ULongToPtr( sd->Dacl );
}
return out;
}
static inline OBJECT_ATTRIBUTES *objattr_32to64( struct object_attr64 *out, const OBJECT_ATTRIBUTES32 *in )
{
memset( out, 0, sizeof(*out) );
if (!in) return NULL;
if (in->Length != sizeof(*in)) return &out->attr;
out->attr.Length = sizeof(out->attr);
out->attr.RootDirectory = LongToHandle( in->RootDirectory );
out->attr.Attributes = in->Attributes;
out->attr.ObjectName = unicode_str_32to64( &out->str, ULongToPtr( in->ObjectName ));
out->attr.SecurityQualityOfService = ULongToPtr( in->SecurityQualityOfService );
out->attr.SecurityDescriptor = secdesc_32to64( &out->sd, ULongToPtr( in->SecurityDescriptor ));
return &out->attr;
}
#endif /* __WOW64WIN_PRIVATE_H */