xserver-multidpi/Xi/qryacces.c
Peter Hutterer 5c5a1eaf68 Replace UniSA with full Uni name in Author affiliation.
Big boss says UniSA isn't unique enough. Who am I to argue?
2008-05-21 21:51:27 +09:30

122 lines
3.6 KiB
C

/*
* Copyright 2007-2008 Peter Hutterer
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Author: Peter Hutterer, University of South Australia, NICTA
*/
#define NEED_EVENTS
#define NEED_REPLIES
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <X11/X.h> /* for inputstr.h */
#include <X11/Xproto.h> /* Request macro */
#include "inputstr.h" /* DeviceIntPtr */
#include "windowstr.h" /* window structure */
#include "scrnintstr.h" /* screen structure */
#include <X11/extensions/XI.h>
#include <X11/extensions/XIproto.h>
#include "extnsionst.h"
#include "extinit.h" /* LookupDeviceIntRec */
#include "exevents.h"
#include "exglobals.h"
#include "qryacces.h"
/***********************************************************************
* This procedure allows a client to query window access control.
*/
int
SProcXQueryWindowAccess(ClientPtr client)
{
char n;
REQUEST(xQueryWindowAccessReq);
swaps(&stuff->length, n);
swapl(&stuff->win, n);
return ProcXQueryWindowAccess(client);
}
int
ProcXQueryWindowAccess(ClientPtr client)
{
int rc;
WindowPtr win;
DeviceIntPtr *perm, *deny;
int nperm, ndeny, i;
int defaultRule;
XID* deviceids;
xQueryWindowAccessReply rep;
REQUEST(xQueryWindowAccessReq);
REQUEST_SIZE_MATCH(xQueryWindowAccessReq);
rc = dixLookupWindow(&win, stuff->win, client, DixReadAccess);
if (rc != Success)
{
return rc;
}
ACQueryWindowAccess(win, &defaultRule, &perm, &nperm, &deny, &ndeny);
rep.repType = X_Reply;
rep.RepType = X_QueryWindowAccess;
rep.sequenceNumber = client->sequence;
rep.length = ((nperm + ndeny) * sizeof(XID) + 3) >> 2;
rep.defaultRule = defaultRule;
rep.npermit = nperm;
rep.ndeny = ndeny;
WriteReplyToClient(client, sizeof(xQueryWindowAccessReply), &rep);
if (nperm + ndeny)
{
deviceids = (XID*)xalloc((nperm + ndeny) * sizeof(XID));
if (!deviceids)
{
ErrorF("[Xi] ProcXQueryWindowAccess: xalloc failure.\n");
return BadImplementation;
}
for (i = 0; i < nperm; i++)
deviceids[i] = perm[i]->id;
for (i = 0; i < ndeny; i++)
deviceids[i + nperm] = deny[i]->id;
WriteToClient(client, (nperm + ndeny) * sizeof(XID), (char*)deviceids);
xfree(deviceids);
}
return Success;
}
void
SRepXQueryWindowAccess(ClientPtr client,
int size,
xQueryWindowAccessReply* rep)
{
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
WriteToClient(client, size, (char*)rep);
}