129 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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Copyright 2007 Peter Hutterer <peter@cs.unisa.edu.au>
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of the author shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from the author.
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*/
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#define	 NEED_EVENTS
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#define	 NEED_REPLIES
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>	/* for inputstr.h    */
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#include <X11/Xproto.h>	/* Request macro     */
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#include "inputstr.h"	/* DeviceIntPtr      */
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#include "windowstr.h"	/* window structure  */
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#include "scrnintstr.h"	/* screen structure  */
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include "extnsionst.h"
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#include "extinit.h"	/* LookupDeviceIntRec */
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#include "exevents.h"
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#include "exglobals.h"
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#include "qryacces.h"
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/***********************************************************************
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 * This procedure allows a client to query window access control.
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 */
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int
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SProcXQueryWindowAccess(ClientPtr client)
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{
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    char n;
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    REQUEST(xQueryWindowAccessReq);
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    swaps(&stuff->length, n);
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    swapl(&stuff->win, n);
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    return ProcXQueryWindowAccess(client);
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}
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int
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ProcXQueryWindowAccess(ClientPtr client)
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{
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    int err;
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    WindowPtr win;
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    DeviceIntPtr *perm, *deny;
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    int nperm, ndeny, i;
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    int defaultRule;
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    CARD8* deviceids;
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    xQueryWindowAccessReply rep;
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    REQUEST(xQueryWindowAccessReq);
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    REQUEST_SIZE_MATCH(xQueryWindowAccessReq);
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    err = dixLookupWindow(&win, stuff->win, client, DixReadAccess);
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    if (err != Success)
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    {
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        SendErrorToClient(client, IReqCode, X_QueryWindowAccess, 
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                          stuff->win, err); 
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        return Success;
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    }
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    ACQueryWindowAccess(win, &defaultRule, &perm, &nperm, &deny, &ndeny);
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    rep.repType = X_Reply;
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    rep.RepType = X_QueryWindowAccess;
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    rep.sequenceNumber = client->sequence;
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    rep.length = (nperm + ndeny + 3) >> 2;
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    rep.defaultRule = defaultRule;
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    rep.npermit = nperm;
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    rep.ndeny = ndeny;
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    WriteReplyToClient(client, sizeof(xQueryWindowAccessReply), &rep);
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    if (nperm + ndeny)
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    {
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        deviceids = (CARD8*)xalloc((nperm + ndeny) * sizeof(CARD8));
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        if (!deviceids)
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        {
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            ErrorF("ProcXQueryWindowAccess: xalloc failure.\n");
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            SendErrorToClient(client, IReqCode, X_QueryWindowAccess, 
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                    0, BadImplementation); 
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            return Success;
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        }
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        for (i = 0; i < nperm; i++)
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            deviceids[i] = perm[i]->id;
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        for (i = 0; i < ndeny; i++)
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            deviceids[i + nperm] = deny[i]->id;
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        WriteToClient(client, nperm + ndeny, (char*)deviceids);
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        xfree(deviceids);
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    }
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    return Success;
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}
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void
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SRepXQueryWindowAccess(ClientPtr client, 
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                      int size, 
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                      xQueryWindowAccessReply* rep)
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{
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    char n;
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    swaps(&rep->sequenceNumber, n);
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    swapl(&rep->length, n);
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    WriteToClient(client, size, (char*)rep);
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}
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