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+/*
+
+Copyright 2007 Peter Hutterer <peter@cs.unisa.edu.au>
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice 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 AUTHOR 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.
+
+Except as contained in this notice, the name of the author shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from the author.
+
+*/
+
+#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 err;
+ WindowPtr win;
+ DeviceIntPtr *perm, *deny;
+ int nperm, ndeny, i;
+ int defaultRule;
+ CARD8* deviceids;
+ xQueryWindowAccessReply rep;
+
+ REQUEST(xQueryWindowAccessReq);
+ REQUEST_SIZE_MATCH(xQueryWindowAccessReq);
+
+ err = dixLookupWindow(&win, stuff->win, client, DixReadAccess);
+ if (err != Success)
+ {
+ SendErrorToClient(client, IReqCode, X_QueryWindowAccess,
+ stuff->win, err);
+ return Success;
+ }
+
+ ACQueryWindowAccess(win, &defaultRule, &perm, &nperm, &deny, &ndeny);
+
+ rep.repType = X_Reply;
+ rep.RepType = X_QueryWindowAccess;
+ rep.sequenceNumber = client->sequence;
+ rep.length = (nperm + ndeny + 3) >> 2;
+ rep.defaultRule = defaultRule;
+ rep.npermit = nperm;
+ rep.ndeny = ndeny;
+ WriteReplyToClient(client, sizeof(xQueryWindowAccessReply), &rep);
+
+ if (nperm + ndeny)
+ {
+ deviceids = (CARD8*)xalloc((nperm + ndeny) * sizeof(CARD8));
+ if (!deviceids)
+ {
+ ErrorF("ProcXQueryWindowAccess: xalloc failure.\n");
+ SendErrorToClient(client, IReqCode, X_QueryWindowAccess,
+ 0, BadImplementation);
+ return Success;
+ }
+
+ 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, (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);
+}