dlls/ifsmgr.vxd/ifsmgr.c

   1 /*
   2  * IFSMGR VxD implementation
   3  *
   4  * Copyright 1998 Marcus Meissner
   5  * Copyright 1998 Ulrich Weigand
   6  * Copyright 1998 Patrik Stridvall
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 /* NOTES
  24  *   These ioctls are used by 'MSNET32.DLL'.
  25  *
  26  *   I have been unable to uncover any documentation about the ioctls so
  27  *   the implementation of the cases IFS_IOCTL_21 and IFS_IOCTL_2F are
  28  *   based on reasonable guesses on information found in the Windows 95 DDK.
  29  */
  30
  31 #include <stdarg.h>
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(vxd);
  38
  39 extern void WINAPI CallBuiltinHandler( CONTEXT86 *context, BYTE intnum );  /* from winedos */
  40
  41 /*
  42  * IFSMgr DeviceIO service
  43  */
  44
  45 #define IFS_IOCTL_21                100
  46 #define IFS_IOCTL_2F                101
  47 #define IFS_IOCTL_GET_RES           102
  48 #define IFS_IOCTL_GET_NETPRO_NAME_A 103
  49
  50 struct win32apireq {
  51         unsigned long   ar_proid;
  52         unsigned long   ar_eax;
  53         unsigned long   ar_ebx;
  54         unsigned long   ar_ecx;
  55         unsigned long   ar_edx;
  56         unsigned long   ar_esi;
  57         unsigned long   ar_edi;
  58         unsigned long   ar_ebp;
  59         unsigned short  ar_error;
  60         unsigned short  ar_pad;
  61 };
  62
  63 static void win32apieq_2_CONTEXT(const struct win32apireq *pIn, CONTEXT86 *pCxt)
  64 {
  65         memset(pCxt,0,sizeof(*pCxt));
  66
  67         pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
  68         pCxt->Eax = pIn->ar_eax;
  69         pCxt->Ebx = pIn->ar_ebx;
  70         pCxt->Ecx = pIn->ar_ecx;
  71         pCxt->Edx = pIn->ar_edx;
  72         pCxt->Esi = pIn->ar_esi;
  73         pCxt->Edi = pIn->ar_edi;
  74
  75         /* FIXME: Only partial CONTEXT86_CONTROL */
  76         pCxt->Ebp = pIn->ar_ebp;
  77
  78         /* FIXME: pIn->ar_proid ignored */
  79         /* FIXME: pIn->ar_error ignored */
  80         /* FIXME: pIn->ar_pad ignored */
  81 }
  82
  83 static void CONTEXT_2_win32apieq(const CONTEXT86 *pCxt, struct win32apireq *pOut)
  84 {
  85         memset(pOut,0,sizeof(struct win32apireq));
  86
  87         pOut->ar_eax = pCxt->Eax;
  88         pOut->ar_ebx = pCxt->Ebx;
  89         pOut->ar_ecx = pCxt->Ecx;
  90         pOut->ar_edx = pCxt->Edx;
  91         pOut->ar_esi = pCxt->Esi;
  92         pOut->ar_edi = pCxt->Edi;
  93
  94         /* FIXME: Only partial CONTEXT86_CONTROL */
  95         pOut->ar_ebp = pCxt->Ebp;
  96
  97         /* FIXME: pOut->ar_proid ignored */
  98         /* FIXME: pOut->ar_error ignored */
  99         /* FIXME: pOut->ar_pad ignored */
 100 }
 101
 102 /***********************************************************************
 103  *           DeviceIoControl   (IFSMGR.VXD.@)
 104  */
 105 BOOL WINAPI IFSMGR_DeviceIoControl(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
 106                                   LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 107                                   LPDWORD lpcbBytesReturned,
 108                                   LPOVERLAPPED lpOverlapped)
 109 {
 110     TRACE("(%d,%p,%d,%p,%d,%p,%p): stub\n",
 111           dwIoControlCode, lpvInBuffer,cbInBuffer, lpvOutBuffer,cbOutBuffer,
 112           lpcbBytesReturned, lpOverlapped);
 113
 114     switch (dwIoControlCode)
 115     {
 116     case IFS_IOCTL_21:
 117     case IFS_IOCTL_2F:
 118         {
 119             CONTEXT86 cxt;
 120             struct win32apireq *pIn=(struct win32apireq *) lpvInBuffer;
 121             struct win32apireq *pOut=(struct win32apireq *) lpvOutBuffer;
 122
 123             TRACE( "Control '%s': "
 124                    "proid=0x%08lx, eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
 125                    "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx, ebp=0x%08lx, "
 126                    "error=0x%04x, pad=0x%04x\n",
 127                    (dwIoControlCode==IFS_IOCTL_21)?"IFS_IOCTL_21":"IFS_IOCTL_2F",
 128                    pIn->ar_proid, pIn->ar_eax, pIn->ar_ebx, pIn->ar_ecx,
 129                    pIn->ar_edx, pIn->ar_esi, pIn->ar_edi, pIn->ar_ebp,
 130                    pIn->ar_error, pIn->ar_pad );
 131
 132             win32apieq_2_CONTEXT(pIn,&cxt);
 133
 134             if(dwIoControlCode==IFS_IOCTL_21)
 135                 CallBuiltinHandler( &cxt, 0x21 );
 136             else
 137                 CallBuiltinHandler( &cxt, 0x2f );
 138
 139             CONTEXT_2_win32apieq(&cxt,pOut);
 140             return TRUE;
 141         }
 142     case IFS_IOCTL_GET_RES:
 143         FIXME( "Control 'IFS_IOCTL_GET_RES' not implemented\n");
 144         return FALSE;
 145     case IFS_IOCTL_GET_NETPRO_NAME_A:
 146         FIXME( "Control 'IFS_IOCTL_GET_NETPRO_NAME_A' not implemented\n");
 147         return FALSE;
 148     default:
 149         FIXME( "Control %d not implemented\n", dwIoControlCode);
 150         return FALSE;
 151     }
 152 }