129 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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| 
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| Copyright 2007 Peter Hutterer <peter@cs.unisa.edu.au>
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| 
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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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| 
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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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| 
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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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| 
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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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| */
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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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| 
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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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| 
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| #include "qryacces.h"
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     REQUEST(xQueryWindowAccessReq);
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|     REQUEST_SIZE_MATCH(xQueryWindowAccessReq);
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| 
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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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| 
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|     ACQueryWindowAccess(win, &defaultRule, &perm, &nperm, &deny, &ndeny);
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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