+++ /dev/null
-/***********************************************************
-
-Copyright (c) 1987 X Consortium
-
-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 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
-X CONSORTIUM 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 X Consortium 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 X Consortium.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-******************************************************************/
-/* $XConsortium: property.c /main/41 1996/12/22 12:33:58 rws $ */
-/* $XFree86: xc/programs/Xserver/dix/property.c,v 3.5 1996/12/24 11:52:04 dawes Exp $ */
-
-#include "X.h"
-#define NEED_REPLIES
-#define NEED_EVENTS
-#include "Xproto.h"
-#include "windowstr.h"
-#include "propertyst.h"
-#include "dixstruct.h"
-#include "dispatch.h"
-#include "swaprep.h"
-#ifdef XCSECURITY
-#define _SECURITY_SERVER
-#include "extensions/security.h"
-#endif
-
-#if defined(LBX) || defined(LBX_COMPAT)
-int fWriteToClient(client, len, buf)
- ClientPtr client;
- int len;
- char *buf;
-{
- return WriteToClient(client, len, buf);
-}
-#endif
-
-/*****************************************************************
- * Property Stuff
- *
- * ChangeProperty, DeleteProperty, GetProperties,
- * ListProperties
- *
- * Properties below to windows. A allocate slots each time
- * a property is added. No fancy searching done.
- *
- *****************************************************************/
-
-#ifdef notdef
-static void
-PrintPropertys(pWin)
- WindowPtr pWin;
-{
- PropertyPtr pProp;
- register int j;
-
- pProp = pWin->userProps;
- while (pProp)
- {
- ErrorF( "%x %x\n", pProp->propertyName, pProp->type);
- ErrorF("property format: %d\n", pProp->format);
- ErrorF("property data: \n");
- for (j=0; j<(pProp->format/8)*pProp->size; j++)
- ErrorF("%c\n", pProp->data[j]);
- pProp = pProp->next;
- }
-}
-#endif
-
-int
-ProcRotateProperties(client)
- ClientPtr client;
-{
- int i, j, delta;
- REQUEST(xRotatePropertiesReq);
- WindowPtr pWin;
- register Atom * atoms;
- PropertyPtr * props; /* array of pointer */
- PropertyPtr pProp;
- xEvent event;
-
- REQUEST_FIXED_SIZE(xRotatePropertiesReq, stuff->nAtoms << 2);
- UpdateCurrentTime();
- pWin = (WindowPtr) SecurityLookupWindow(stuff->window, client,
- SecurityWriteAccess);
- if (!pWin)
- return(BadWindow);
- if (!stuff->nAtoms)
- return(Success);
- atoms = (Atom *) & stuff[1];
- props = (PropertyPtr *)ALLOCATE_LOCAL(stuff->nAtoms * sizeof(PropertyPtr));
- if (!props)
- return(BadAlloc);
- for (i = 0; i < stuff->nAtoms; i++)
- {
-#ifdef XCSECURITY
- char action = SecurityCheckPropertyAccess(client, pWin, atoms[i],
- SecurityReadAccess|SecurityWriteAccess);
-#endif
- if (!ValidAtom(atoms[i])
-#ifdef XCSECURITY
- || (SecurityErrorOperation == action)
-#endif
- )
- {
- DEALLOCATE_LOCAL(props);
- client->errorValue = atoms[i];
- return BadAtom;
- }
-#ifdef XCSECURITY
- if (SecurityIgnoreOperation == action)
- {
- DEALLOCATE_LOCAL(props);
- return Success;
- }
-#endif
- for (j = i + 1; j < stuff->nAtoms; j++)
- if (atoms[j] == atoms[i])
- {
- DEALLOCATE_LOCAL(props);
- return BadMatch;
- }
- pProp = wUserProps (pWin);
- while (pProp)
- {
- if (pProp->propertyName == atoms[i])
- goto found;
- pProp = pProp->next;
- }
- DEALLOCATE_LOCAL(props);
- return BadMatch;
-found:
- props[i] = pProp;
- }
- delta = stuff->nPositions;
-
- /* If the rotation is a complete 360 degrees, then moving the properties
- around and generating PropertyNotify events should be skipped. */
-
- if ( (stuff->nAtoms != 0) && (abs(delta) % stuff->nAtoms) != 0 )
- {
- while (delta < 0) /* faster if abs value is small */
- delta += stuff->nAtoms;
- for (i = 0; i < stuff->nAtoms; i++)
- {
- /* Generate a PropertyNotify event for each property whose value
- is changed in the order in which they appear in the request. */
-
- event.u.u.type = PropertyNotify;
- event.u.property.window = pWin->drawable.id;
- event.u.property.state = PropertyNewValue;
- event.u.property.atom = props[i]->propertyName;
- event.u.property.time = currentTime.milliseconds;
- DeliverEvents(pWin, &event, 1, (WindowPtr)NULL);
-
- props[i]->propertyName = atoms[(i + delta) % stuff->nAtoms];
- }
- }
- DEALLOCATE_LOCAL(props);
- return Success;
-}
-
-int
-ProcChangeProperty(client)
- ClientPtr client;
-{
- WindowPtr pWin;
- char format, mode;
- unsigned long len;
- int sizeInBytes;
- int totalSize;
- int err;
- REQUEST(xChangePropertyReq);
-
- REQUEST_AT_LEAST_SIZE(xChangePropertyReq);
- UpdateCurrentTime();
- format = stuff->format;
- mode = stuff->mode;
- if ((mode != PropModeReplace) && (mode != PropModeAppend) &&
- (mode != PropModePrepend))
- {
- client->errorValue = mode;
- return BadValue;
- }
- if ((format != 8) && (format != 16) && (format != 32))
- {
- client->errorValue = format;
- return BadValue;
- }
- len = stuff->nUnits;
- if (len > ((0xffffffff - sizeof(xChangePropertyReq)) >> 2))
- return BadLength;
- sizeInBytes = format>>3;
- totalSize = len * sizeInBytes;
- REQUEST_FIXED_SIZE(xChangePropertyReq, totalSize);
-
- pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
- SecurityWriteAccess);
- if (!pWin)
- return(BadWindow);
- if (!ValidAtom(stuff->property))
- {
- client->errorValue = stuff->property;
- return(BadAtom);
- }
- if (!ValidAtom(stuff->type))
- {
- client->errorValue = stuff->type;
- return(BadAtom);
- }
-
-#ifdef XCSECURITY
- switch (SecurityCheckPropertyAccess(client, pWin, stuff->property,
- SecurityWriteAccess))
- {
- case SecurityErrorOperation:
- client->errorValue = stuff->property;
- return BadAtom;
- case SecurityIgnoreOperation:
- return Success;
- }
-#endif
-
-#ifdef LBX
- err = LbxChangeWindowProperty(client, pWin, stuff->property, stuff->type,
- (int)format, (int)mode, len, TRUE, (pointer)&stuff[1], TRUE, NULL);
-#else
- err = ChangeWindowProperty(pWin, stuff->property, stuff->type, (int)format,
- (int)mode, len, (pointer)&stuff[1], TRUE);
-#endif
- if (err != Success)
- return err;
- else
- return client->noClientException;
-}
-
-int
-ChangeWindowProperty(pWin, property, type, format, mode, len, value, sendevent)
- WindowPtr pWin;
- Atom property, type;
- int format, mode;
- unsigned long len;
- pointer value;
- Bool sendevent;
-{
-#ifdef LBX
- return LbxChangeWindowProperty(NULL, pWin, property, type,
- format, mode, len, TRUE, value,
- sendevent, NULL);
-#else
- PropertyPtr pProp;
- xEvent event;
- int sizeInBytes;
- int totalSize;
- pointer data;
-
- sizeInBytes = format>>3;
- totalSize = len * sizeInBytes;
-
- /* first see if property already exists */
-
- pProp = wUserProps (pWin);
- while (pProp)
- {
- if (pProp->propertyName == property)
- break;
- pProp = pProp->next;
- }
- if (!pProp) /* just add to list */
- {
- if (!pWin->optional && !MakeWindowOptional (pWin))
- return(BadAlloc);
- pProp = (PropertyPtr)xalloc(sizeof(PropertyRec));
- if (!pProp)
- return(BadAlloc);
- data = (pointer)xalloc(totalSize);
- if (!data && len)
- {
- xfree(pProp);
- return(BadAlloc);
- }
- pProp->propertyName = property;
- pProp->type = type;
- pProp->format = format;
- pProp->data = data;
- if (len)
- memmove((char *)data, (char *)value, totalSize);
- pProp->size = len;
- pProp->next = pWin->optional->userProps;
- pWin->optional->userProps = pProp;
- }
- else
- {
- /* To append or prepend to a property the request format and type
- must match those of the already defined property. The
- existing format and type are irrelevant when using the mode
- "PropModeReplace" since they will be written over. */
-
- if ((format != pProp->format) && (mode != PropModeReplace))
- return(BadMatch);
- if ((pProp->type != type) && (mode != PropModeReplace))
- return(BadMatch);
- if (mode == PropModeReplace)
- {
- if (totalSize != pProp->size * (pProp->format >> 3))
- {
- data = (pointer)xrealloc(pProp->data, totalSize);
- if (!data && len)
- return(BadAlloc);
- pProp->data = data;
- }
- if (len)
- memmove((char *)pProp->data, (char *)value, totalSize);
- pProp->size = len;
- pProp->type = type;
- pProp->format = format;
- }
- else if (len == 0)
- {
- /* do nothing */
- }
- else if (mode == PropModeAppend)
- {
- data = (pointer)xrealloc(pProp->data,
- sizeInBytes * (len + pProp->size));
- if (!data)
- return(BadAlloc);
- pProp->data = data;
- memmove(&((char *)data)[pProp->size * sizeInBytes],
- (char *)value,
- totalSize);
- pProp->size += len;
- }
- else if (mode == PropModePrepend)
- {
- data = (pointer)xalloc(sizeInBytes * (len + pProp->size));
- if (!data)
- return(BadAlloc);
- memmove(&((char *)data)[totalSize], (char *)pProp->data,
- (int)(pProp->size * sizeInBytes));
- memmove((char *)data, (char *)value, totalSize);
- xfree(pProp->data);
- pProp->data = data;
- pProp->size += len;
- }
- }
- if (sendevent)
- {
- event.u.u.type = PropertyNotify;
- event.u.property.window = pWin->drawable.id;
- event.u.property.state = PropertyNewValue;
- event.u.property.atom = pProp->propertyName;
- event.u.property.time = currentTime.milliseconds;
- DeliverEvents(pWin, &event, 1, (WindowPtr)NULL);
- }
-
- /* Addition for RFB X server */
- if (pWin->parent == NullWindow) {
- extern void rfbRootPropertyChange();
- rfbRootPropertyChange(pProp);
- }
-
- return(Success);
-#endif
-}
-
-int
-DeleteProperty(pWin, propName)
- WindowPtr pWin;
- Atom propName;
-{
- PropertyPtr pProp, prevProp;
- xEvent event;
-
- if (!(pProp = wUserProps (pWin)))
- return(Success);
- prevProp = (PropertyPtr)NULL;
- while (pProp)
- {
- if (pProp->propertyName == propName)
- break;
- prevProp = pProp;
- pProp = pProp->next;
- }
- if (pProp)
- {
- if (prevProp == (PropertyPtr)NULL) /* takes care of head */
- {
- if (!(pWin->optional->userProps = pProp->next))
- CheckWindowOptionalNeed (pWin);
- }
- else
- {
- prevProp->next = pProp->next;
- }
-#ifdef LBX
- if (pProp->tag_id)
- TagDeleteTag(pProp->tag_id);
-#endif
- event.u.u.type = PropertyNotify;
- event.u.property.window = pWin->drawable.id;
- event.u.property.state = PropertyDelete;
- event.u.property.atom = pProp->propertyName;
- event.u.property.time = currentTime.milliseconds;
- DeliverEvents(pWin, &event, 1, (WindowPtr)NULL);
- xfree(pProp->data);
- xfree(pProp);
- }
- return(Success);
-}
-
-void
-DeleteAllWindowProperties(pWin)
- WindowPtr pWin;
-{
- PropertyPtr pProp, pNextProp;
- xEvent event;
-
- pProp = wUserProps (pWin);
- while (pProp)
- {
-#ifdef LBX
- if (pProp->tag_id)
- TagDeleteTag(pProp->tag_id);
-#endif
- event.u.u.type = PropertyNotify;
- event.u.property.window = pWin->drawable.id;
- event.u.property.state = PropertyDelete;
- event.u.property.atom = pProp->propertyName;
- event.u.property.time = currentTime.milliseconds;
- DeliverEvents(pWin, &event, 1, (WindowPtr)NULL);
- pNextProp = pProp->next;
- xfree(pProp->data);
- xfree(pProp);
- pProp = pNextProp;
- }
-}
-
-static int
-NullPropertyReply(client, propertyType, format, reply)
- ClientPtr client;
- ATOM propertyType;
- int format;
- xGetPropertyReply *reply;
-{
- reply->nItems = 0;
- reply->length = 0;
- reply->bytesAfter = 0;
- reply->propertyType = propertyType;
- reply->format = format;
- WriteReplyToClient(client, sizeof(xGenericReply), reply);
- return(client->noClientException);
-}
-
-/*****************
- * GetProperty
- * If type Any is specified, returns the property from the specified
- * window regardless of its type. If a type is specified, returns the
- * property only if its type equals the specified type.
- * If delete is True and a property is returned, the property is also
- * deleted from the window and a PropertyNotify event is generated on the
- * window.
- *****************/
-
-int
-ProcGetProperty(client)
- ClientPtr client;
-{
- PropertyPtr pProp, prevProp;
- unsigned long n, len, ind;
- WindowPtr pWin;
- xGetPropertyReply reply;
- REQUEST(xGetPropertyReq);
-
- REQUEST_SIZE_MATCH(xGetPropertyReq);
- if (stuff->delete)
- UpdateCurrentTime();
- pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
- SecurityReadAccess);
- if (!pWin)
- return BadWindow;
-
- if (!ValidAtom(stuff->property))
- {
- client->errorValue = stuff->property;
- return(BadAtom);
- }
- if ((stuff->delete != xTrue) && (stuff->delete != xFalse))
- {
- client->errorValue = stuff->delete;
- return(BadValue);
- }
- if ((stuff->type != AnyPropertyType) && !ValidAtom(stuff->type))
- {
- client->errorValue = stuff->type;
- return(BadAtom);
- }
-
- pProp = wUserProps (pWin);
- prevProp = (PropertyPtr)NULL;
- while (pProp)
- {
- if (pProp->propertyName == stuff->property)
- break;
- prevProp = pProp;
- pProp = pProp->next;
- }
-
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- if (!pProp)
- return NullPropertyReply(client, None, 0, &reply);
-
-#ifdef XCSECURITY
- {
- Mask access_mode = SecurityReadAccess;
-
- if (stuff->delete)
- access_mode |= SecurityDestroyAccess;
- switch(SecurityCheckPropertyAccess(client, pWin, stuff->property,
- access_mode))
- {
- case SecurityErrorOperation:
- client->errorValue = stuff->property;
- return BadAtom;;
- case SecurityIgnoreOperation:
- return NullPropertyReply(client, pProp->type, pProp->format,
- &reply);
- }
- }
-#endif
- /* If the request type and actual type don't match. Return the
- property information, but not the data. */
-
- if (((stuff->type != pProp->type) &&
- (stuff->type != AnyPropertyType))
- )
- {
- reply.bytesAfter = pProp->size;
- reply.format = pProp->format;
- reply.length = 0;
- reply.nItems = 0;
- reply.propertyType = pProp->type;
- WriteReplyToClient(client, sizeof(xGenericReply), &reply);
- return(Success);
- }
-#ifdef LBX
- /* make sure we have the current value */
- if (pProp->tag_id && pProp->owner_pid) {
- LbxStallPropRequest(client, pProp);
- return client->noClientException;
- }
-#endif
-
-/*
- * Return type, format, value to client
- */
- n = (pProp->format/8) * pProp->size; /* size (bytes) of prop */
- ind = stuff->longOffset << 2;
-
- /* If longOffset is invalid such that it causes "len" to
- be negative, it's a value error. */
-
- if (n < ind)
- {
- client->errorValue = stuff->longOffset;
- return BadValue;
- }
-
- len = min(n - ind, 4 * stuff->longLength);
-
- reply.bytesAfter = n - (ind + len);
- reply.format = pProp->format;
- reply.length = (len + 3) >> 2;
- reply.nItems = len / (pProp->format / 8 );
- reply.propertyType = pProp->type;
-
- if (stuff->delete && (reply.bytesAfter == 0))
- { /* send the event */
- xEvent event;
-
- event.u.u.type = PropertyNotify;
- event.u.property.window = pWin->drawable.id;
- event.u.property.state = PropertyDelete;
- event.u.property.atom = pProp->propertyName;
- event.u.property.time = currentTime.milliseconds;
- DeliverEvents(pWin, &event, 1, (WindowPtr)NULL);
- }
-
- WriteReplyToClient(client, sizeof(xGenericReply), &reply);
- if (len)
- {
- switch (reply.format) {
- case 32: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap32Write; break;
- case 16: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write; break;
- default: client->pSwapReplyFunc = (ReplySwapPtr)WriteToClient; break;
- }
- WriteSwappedDataToClient(client, len,
- (char *)pProp->data + ind);
- }
-
- if (stuff->delete && (reply.bytesAfter == 0))
- { /* delete the Property */
-#ifdef LBX
- if (pProp->tag_id)
- TagDeleteTag(pProp->tag_id);
-#endif
- if (prevProp == (PropertyPtr)NULL) /* takes care of head */
- {
- if (!(pWin->optional->userProps = pProp->next))
- CheckWindowOptionalNeed (pWin);
- }
- else
- prevProp->next = pProp->next;
- xfree(pProp->data);
- xfree(pProp);
- }
- return(client->noClientException);
-}
-
-int
-ProcListProperties(client)
- ClientPtr client;
-{
- Atom *pAtoms, *temppAtoms;
- xListPropertiesReply xlpr;
- int numProps = 0;
- WindowPtr pWin;
- PropertyPtr pProp;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
-
- pProp = wUserProps (pWin);
- while (pProp)
- {
- pProp = pProp->next;
- numProps++;
- }
- if (numProps)
- if(!(pAtoms = (Atom *)ALLOCATE_LOCAL(numProps * sizeof(Atom))))
- return(BadAlloc);
-
- xlpr.type = X_Reply;
- xlpr.nProperties = numProps;
- xlpr.length = (numProps * sizeof(Atom)) >> 2;
- xlpr.sequenceNumber = client->sequence;
- pProp = wUserProps (pWin);
- temppAtoms = pAtoms;
- while (pProp)
- {
- *temppAtoms++ = pProp->propertyName;
- pProp = pProp->next;
- }
- WriteReplyToClient(client, sizeof(xGenericReply), &xlpr);
- if (numProps)
- {
- client->pSwapReplyFunc = (ReplySwapPtr)Swap32Write;
- WriteSwappedDataToClient(client, numProps * sizeof(Atom), pAtoms);
- DEALLOCATE_LOCAL(pAtoms);
- }
- return(client->noClientException);
-}
-
-int
-ProcDeleteProperty(client)
- register ClientPtr client;
-{
- WindowPtr pWin;
- REQUEST(xDeletePropertyReq);
- int result;
-
- REQUEST_SIZE_MATCH(xDeletePropertyReq);
- UpdateCurrentTime();
- pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
- SecurityWriteAccess);
- if (!pWin)
- return(BadWindow);
- if (!ValidAtom(stuff->property))
- {
- client->errorValue = stuff->property;
- return (BadAtom);
- }
-
-#ifdef XCSECURITY
- switch(SecurityCheckPropertyAccess(client, pWin, stuff->property,
- SecurityDestroyAccess))
- {
- case SecurityErrorOperation:
- client->errorValue = stuff->property;
- return BadAtom;;
- case SecurityIgnoreOperation:
- return Success;
- }
-#endif
-
- result = DeleteProperty(pWin, stuff->property);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
-}
projects / rdpsrv / blobdiff