+++ /dev/null
-/* $XConsortium: dispatch.c /main/195 1996/12/15 21:24:40 rws $ */
-/* $XFree86: xc/programs/Xserver/dix/dispatch.c,v 3.7 1996/12/23 06:29:38 dawes Exp $ */
-/************************************************************
-
-Copyright (c) 1987, 1989 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, 1989 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.
-
-********************************************************/
-
-#include "windowstr.h"
-#include "fontstruct.h"
-#include "dixfontstr.h"
-#include "gcstruct.h"
-#include "selection.h"
-#include "colormapst.h"
-#include "cursorstr.h"
-#include "scrnintstr.h"
-#include "opaque.h"
-#include "input.h"
-#include "servermd.h"
-#include "extnsionst.h"
-#include "dixfont.h"
-#include "dispatch.h"
-#include "swaprep.h"
-#include "swapreq.h"
-#include "dixevents.h"
-#ifdef XCSECURITY
-#define _SECURITY_SERVER
-#include "extensions/security.h"
-#endif
-#ifdef XAPPGROUP
-#include "extensions/Xagsrv.h"
-#endif
-
-#define mskcnt ((MAXCLIENTS + 31) / 32)
-#define BITMASK(i) (1 << ((i) & 31))
-#define MASKIDX(i) ((i) >> 5)
-#define MASKWORD(buf, i) buf[MASKIDX(i)]
-#define BITSET(buf, i) MASKWORD(buf, i) |= BITMASK(i)
-#define BITCLEAR(buf, i) MASKWORD(buf, i) &= ~BITMASK(i)
-#define GETBIT(buf, i) (MASKWORD(buf, i) & BITMASK(i))
-
-extern WindowPtr *WindowTable;
-extern xConnSetupPrefix connSetupPrefix;
-extern char *ConnectionInfo;
-
-Selection *CurrentSelections;
-int NumCurrentSelections;
-
-extern CARD32 defaultScreenSaverTime;
-extern CARD32 defaultScreenSaverInterval;
-extern int defaultScreenSaverBlanking;
-extern int defaultScreenSaverAllowExposures;
-static ClientPtr grabClient;
-#define GrabNone 0
-#define GrabActive 1
-#define GrabKickout 2
-static int grabState = GrabNone;
-static long grabWaiters[mskcnt];
-CallbackListPtr ServerGrabCallback = NULL;
-HWEventQueuePtr checkForInput[2];
-extern int connBlockScreenStart;
-
-#ifdef XKB
-extern Bool noXkbExtension;
-#endif
-
-static void KillAllClients(
-#if NeedFunctionPrototypes
- void
-#endif
-);
-
-static void DeleteClientFromAnySelections(
-#if NeedFunctionPrototypes
- ClientPtr /*client*/
-#endif
-);
-
-#ifdef LBX
-extern unsigned long StandardRequestLength();
-#endif
-
-static int nextFreeClientID; /* always MIN free client ID */
-
-static int nClients; /* number of authorized clients */
-
-CallbackListPtr ClientStateCallback;
-char dispatchException = 0;
-char isItTimeToYield;
-
-/* Various of the DIX function interfaces were not designed to allow
- * the client->errorValue to be set on BadValue and other errors.
- * Rather than changing interfaces and breaking untold code we introduce
- * a new global that dispatch can use.
- */
-XID clientErrorValue; /* XXX this is a kludge */
-
-#define SAME_SCREENS(a, b) (\
- (a.pScreen == b.pScreen))
-
-void
-SetInputCheck(c0, c1)
- HWEventQueuePtr c0, c1;
-{
- checkForInput[0] = c0;
- checkForInput[1] = c1;
-}
-
-void
-UpdateCurrentTime()
-{
- TimeStamp systime;
-
- /* To avoid time running backwards, we must call GetTimeInMillis before
- * calling ProcessInputEvents.
- */
- systime.months = currentTime.months;
- systime.milliseconds = GetTimeInMillis();
- if (systime.milliseconds < currentTime.milliseconds)
- systime.months++;
- if (*checkForInput[0] != *checkForInput[1])
- ProcessInputEvents();
- if (CompareTimeStamps(systime, currentTime) == LATER)
- currentTime = systime;
-}
-
-/* Like UpdateCurrentTime, but can't call ProcessInputEvents */
-void
-UpdateCurrentTimeIf()
-{
- TimeStamp systime;
-
- systime.months = currentTime.months;
- systime.milliseconds = GetTimeInMillis();
- if (systime.milliseconds < currentTime.milliseconds)
- systime.months++;
- if (*checkForInput[0] == *checkForInput[1])
- currentTime = systime;
-}
-
-void
-InitSelections()
-{
- if (CurrentSelections)
- xfree(CurrentSelections);
- CurrentSelections = (Selection *)NULL;
- NumCurrentSelections = 0;
-}
-
-void
-FlushClientCaches(id)
- XID id;
-{
- int i;
- register ClientPtr client;
-
- client = clients[CLIENT_ID(id)];
- if (client == NullClient)
- return ;
- for (i=0; i<currentMaxClients; i++)
- {
- client = clients[i];
- if (client != NullClient)
- {
- if (client->lastDrawableID == id)
- {
- client->lastDrawableID = WindowTable[0]->drawable.id;
- client->lastDrawable = (DrawablePtr)WindowTable[0];
- }
- else if (client->lastGCID == id)
- {
- client->lastGCID = INVALID;
- client->lastGC = (GCPtr)NULL;
- }
- }
- }
-}
-
-#define MAJOROP ((xReq *)client->requestBuffer)->reqType
-
-void
-Dispatch()
-{
- register int *clientReady; /* array of request ready clients */
- register int result;
- register ClientPtr client;
- register int nready;
- register HWEventQueuePtr* icheck = checkForInput;
-
- nextFreeClientID = 1;
- InitSelections();
- nClients = 0;
-
- clientReady = (int *) ALLOCATE_LOCAL(sizeof(int) * MaxClients);
- if (!clientReady)
- return;
-
- while (!dispatchException)
- {
- if (*icheck[0] != *icheck[1])
- {
- ProcessInputEvents();
- FlushIfCriticalOutputPending();
- }
-
- nready = WaitForSomething(clientReady);
-
- /*****************
- * Handle events in round robin fashion, doing input between
- * each round
- *****************/
-
- while (!dispatchException && (--nready >= 0))
- {
- client = clients[clientReady[nready]];
- if (! client)
- {
- /* KillClient can cause this to happen */
- continue;
- }
- /* GrabServer activation can cause this to be true */
- if (grabState == GrabKickout)
- {
- grabState = GrabActive;
- break;
- }
- isItTimeToYield = FALSE;
-
- requestingClient = client;
- while (!isItTimeToYield)
- {
- if (*icheck[0] != *icheck[1])
- {
- ProcessInputEvents();
- FlushIfCriticalOutputPending();
- }
-
- /* now, finally, deal with client requests */
-
- result = ReadRequestFromClient(client);
- if (result <= 0)
- {
- if (result < 0)
- CloseDownClient(client);
- break;
- }
-
- client->sequence++;
-#ifdef DEBUG
- if (client->requestLogIndex == MAX_REQUEST_LOG)
- client->requestLogIndex = 0;
- client->requestLog[client->requestLogIndex] = MAJOROP;
- client->requestLogIndex++;
-#endif
- if (result > (MAX_BIG_REQUEST_SIZE << 2))
- result = BadLength;
- else
- result = (* client->requestVector[MAJOROP])(client);
-
- if (result != Success)
- {
- if (client->noClientException != Success)
- CloseDownClient(client);
- else
- SendErrorToClient(client, MAJOROP,
- MinorOpcodeOfRequest(client),
- client->errorValue, result);
- break;
- }
- }
- FlushAllOutput();
-
- requestingClient = NULL;
- }
- dispatchException &= ~DE_PRIORITYCHANGE;
- }
- KillAllClients();
- DEALLOCATE_LOCAL(clientReady);
- dispatchException &= ~DE_RESET;
-}
-
-#undef MAJOROP
-
-/*ARGSUSED*/
-int
-ProcBadRequest(client)
- ClientPtr client;
-{
- return (BadRequest);
-}
-
-int
-ProcCreateWindow(client)
- register ClientPtr client;
-{
- register WindowPtr pParent, pWin;
- REQUEST(xCreateWindowReq);
- int result;
- int len;
-
- REQUEST_AT_LEAST_SIZE(xCreateWindowReq);
-
- LEGAL_NEW_RESOURCE(stuff->wid, client);
- if (!(pParent = (WindowPtr)SecurityLookupWindow(stuff->parent, client,
- SecurityWriteAccess)))
- return BadWindow;
- len = client->req_len - (sizeof(xCreateWindowReq) >> 2);
- if (Ones(stuff->mask) != len)
- return BadLength;
- if (!stuff->width || !stuff->height)
- {
- client->errorValue = 0;
- return BadValue;
- }
- pWin = CreateWindow(stuff->wid, pParent, stuff->x,
- stuff->y, stuff->width, stuff->height,
- stuff->borderWidth, stuff->class,
- stuff->mask, (XID *) &stuff[1],
- (int)stuff->depth,
- client, stuff->visual, &result);
- if (pWin)
- {
- Mask mask = pWin->eventMask;
-
- pWin->eventMask = 0; /* subterfuge in case AddResource fails */
- if (!AddResource(stuff->wid, RT_WINDOW, (pointer)pWin))
- return BadAlloc;
- pWin->eventMask = mask;
- }
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
-}
-
-int
-ProcChangeWindowAttributes(client)
- register ClientPtr client;
-{
- register WindowPtr pWin;
- REQUEST(xChangeWindowAttributesReq);
- register int result;
- int len;
-
- REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
- SecurityWriteAccess);
- if (!pWin)
- return(BadWindow);
- len = client->req_len - (sizeof(xChangeWindowAttributesReq) >> 2);
- if (len != Ones(stuff->valueMask))
- return BadLength;
- result = ChangeWindowAttributes(pWin,
- stuff->valueMask,
- (XID *) &stuff[1],
- client);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
-}
-
-int
-ProcGetWindowAttributes(client)
- register ClientPtr client;
-{
- register WindowPtr pWin;
- REQUEST(xResourceReq);
- xGetWindowAttributesReply wa;
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
- GetWindowAttributes(pWin, client, &wa);
- WriteReplyToClient(client, sizeof(xGetWindowAttributesReply), &wa);
- return(client->noClientException);
-}
-
-int
-ProcDestroyWindow(client)
- register ClientPtr client;
-{
- register WindowPtr pWin;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
- SecurityDestroyAccess);
- if (!pWin)
- return(BadWindow);
- if (pWin->parent)
- FreeResource(stuff->id, RT_NONE);
- return(client->noClientException);
-}
-
-int
-ProcDestroySubwindows(client)
- register ClientPtr client;
-{
- register WindowPtr pWin;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
- SecurityDestroyAccess);
- if (!pWin)
- return(BadWindow);
- DestroySubwindows(pWin, client);
- return(client->noClientException);
-}
-
-int
-ProcChangeSaveSet(client)
- register ClientPtr client;
-{
- register WindowPtr pWin;
- REQUEST(xChangeSaveSetReq);
- register int result;
-
- REQUEST_SIZE_MATCH(xChangeSaveSetReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
- if (client->clientAsMask == (CLIENT_BITS(pWin->drawable.id)))
- return BadMatch;
- if ((stuff->mode == SetModeInsert) || (stuff->mode == SetModeDelete))
- {
- result = AlterSaveSetForClient(client, pWin, stuff->mode);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
- }
- else
- {
- client->errorValue = stuff->mode;
- return( BadValue );
- }
-}
-
-int
-ProcReparentWindow(client)
- register ClientPtr client;
-{
- register WindowPtr pWin, pParent;
- REQUEST(xReparentWindowReq);
- register int result;
-
- REQUEST_SIZE_MATCH(xReparentWindowReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
- SecurityWriteAccess);
- if (!pWin)
- return(BadWindow);
- pParent = (WindowPtr)SecurityLookupWindow(stuff->parent, client,
- SecurityWriteAccess);
- if (!pParent)
- return(BadWindow);
- if (SAME_SCREENS(pWin->drawable, pParent->drawable))
- {
- if ((pWin->backgroundState == ParentRelative) &&
- (pParent->drawable.depth != pWin->drawable.depth))
- return BadMatch;
- if ((pWin->drawable.class != InputOnly) &&
- (pParent->drawable.class == InputOnly))
- return BadMatch;
- result = ReparentWindow(pWin, pParent,
- (short)stuff->x, (short)stuff->y, client);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
- }
- else
- return (BadMatch);
-}
-
-int
-ProcMapWindow(client)
- register ClientPtr client;
-{
- register WindowPtr pWin;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
- MapWindow(pWin, client);
- /* update cache to say it is mapped */
- return(client->noClientException);
-}
-
-int
-ProcMapSubwindows(client)
- register ClientPtr client;
-{
- register WindowPtr pWin;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pWin = (WindowPtr)SecurityLookupWindow( stuff->id, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
- MapSubwindows(pWin, client);
- /* update cache to say it is mapped */
- return(client->noClientException);
-}
-
-int
-ProcUnmapWindow(client)
- register ClientPtr client;
-{
- register WindowPtr pWin;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pWin = (WindowPtr)SecurityLookupWindow( stuff->id, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
- UnmapWindow(pWin, FALSE);
- /* update cache to say it is mapped */
- return(client->noClientException);
-}
-
-int
-ProcUnmapSubwindows(client)
- register ClientPtr client;
-{
- register WindowPtr pWin;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pWin = (WindowPtr)SecurityLookupWindow( stuff->id, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
- UnmapSubwindows(pWin);
- return(client->noClientException);
-}
-
-int
-ProcConfigureWindow(client)
- register ClientPtr client;
-{
- register WindowPtr pWin;
- REQUEST(xConfigureWindowReq);
- register int result;
- int len;
-
- REQUEST_AT_LEAST_SIZE(xConfigureWindowReq);
- pWin = (WindowPtr)SecurityLookupWindow( stuff->window, client,
- SecurityWriteAccess);
- if (!pWin)
- return(BadWindow);
- len = client->req_len - (sizeof(xConfigureWindowReq) >> 2);
- if (Ones((Mask)stuff->mask) != len)
- return BadLength;
- result = ConfigureWindow(pWin, (Mask)stuff->mask, (XID *) &stuff[1],
- client);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
-}
-
-int
-ProcCirculateWindow(client)
- register ClientPtr client;
-{
- register WindowPtr pWin;
- REQUEST(xCirculateWindowReq);
-
- REQUEST_SIZE_MATCH(xCirculateWindowReq);
- if ((stuff->direction != RaiseLowest) &&
- (stuff->direction != LowerHighest))
- {
- client->errorValue = stuff->direction;
- return BadValue;
- }
- pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
- SecurityWriteAccess);
- if (!pWin)
- return(BadWindow);
- CirculateWindow(pWin, (int)stuff->direction, client);
- return(client->noClientException);
-}
-
-int
-GetGeometry(client, rep)
- register ClientPtr client;
- xGetGeometryReply *rep;
-{
- register DrawablePtr pDraw;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- SECURITY_VERIFY_GEOMETRABLE (pDraw, stuff->id, client, SecurityReadAccess);
- rep->type = X_Reply;
- rep->length = 0;
- rep->sequenceNumber = client->sequence;
- rep->root = WindowTable[pDraw->pScreen->myNum]->drawable.id;
- rep->depth = pDraw->depth;
- rep->width = pDraw->width;
- rep->height = pDraw->height;
-
- /* XXX - Because the pixmap-implementation of the multibuffer extension
- * may have the buffer-id's drawable resource value be a pointer
- * to the buffer's window instead of the buffer itself
- * (this happens if the buffer is the displayed buffer),
- * we also have to check that the id matches before we can
- * truly say that it is a DRAWABLE_WINDOW.
- */
-
- if ((pDraw->type == UNDRAWABLE_WINDOW) ||
- ((pDraw->type == DRAWABLE_WINDOW) && (stuff->id == pDraw->id)))
- {
- register WindowPtr pWin = (WindowPtr)pDraw;
- rep->x = pWin->origin.x - wBorderWidth (pWin);
- rep->y = pWin->origin.y - wBorderWidth (pWin);
- rep->borderWidth = pWin->borderWidth;
- }
- else /* DRAWABLE_PIXMAP or DRAWABLE_BUFFER */
- {
- rep->x = rep->y = rep->borderWidth = 0;
- }
-
- return Success;
-}
-
-
-int
-ProcGetGeometry(client)
- register ClientPtr client;
-{
- xGetGeometryReply rep;
- int status;
-
- if ((status = GetGeometry(client, &rep)) != Success)
- return status;
-
- WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep);
- return(client->noClientException);
-}
-
-
-int
-ProcQueryTree(client)
- register ClientPtr client;
-{
-
- xQueryTreeReply reply;
- int numChildren = 0;
- register WindowPtr pChild, pWin, pHead;
- Window *childIDs = (Window *)NULL;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
- reply.type = X_Reply;
- reply.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
- reply.sequenceNumber = client->sequence;
- if (pWin->parent)
- reply.parent = pWin->parent->drawable.id;
- else
- reply.parent = (Window)None;
-
- pHead = RealChildHead(pWin);
- for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib)
- numChildren++;
- if (numChildren)
- {
- int curChild = 0;
-
- childIDs = (Window *) ALLOCATE_LOCAL(numChildren * sizeof(Window));
- if (!childIDs)
- return BadAlloc;
- for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib)
- childIDs[curChild++] = pChild->drawable.id;
- }
-
- reply.nChildren = numChildren;
- reply.length = (numChildren * sizeof(Window)) >> 2;
-
- WriteReplyToClient(client, sizeof(xQueryTreeReply), &reply);
- if (numChildren)
- {
- client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
- WriteSwappedDataToClient(client, numChildren * sizeof(Window), childIDs);
- DEALLOCATE_LOCAL(childIDs);
- }
-
- return(client->noClientException);
-}
-
-int
-ProcInternAtom(client)
- register ClientPtr client;
-{
- Atom atom;
- char *tchar;
- REQUEST(xInternAtomReq);
-
- REQUEST_FIXED_SIZE(xInternAtomReq, stuff->nbytes);
- if ((stuff->onlyIfExists != xTrue) && (stuff->onlyIfExists != xFalse))
- {
- client->errorValue = stuff->onlyIfExists;
- return(BadValue);
- }
- tchar = (char *) &stuff[1];
- atom = MakeAtom(tchar, stuff->nbytes, !stuff->onlyIfExists);
- if (atom != BAD_RESOURCE)
- {
- xInternAtomReply reply;
- reply.type = X_Reply;
- reply.length = 0;
- reply.sequenceNumber = client->sequence;
- reply.atom = atom;
- WriteReplyToClient(client, sizeof(xInternAtomReply), &reply);
- return(client->noClientException);
- }
- else
- return (BadAlloc);
-}
-
-int
-ProcGetAtomName(client)
- register ClientPtr client;
-{
- char *str;
- xGetAtomNameReply reply;
- int len;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- if ( (str = NameForAtom(stuff->id)) )
- {
- len = strlen(str);
- reply.type = X_Reply;
- reply.length = (len + 3) >> 2;
- reply.sequenceNumber = client->sequence;
- reply.nameLength = len;
- WriteReplyToClient(client, sizeof(xGetAtomNameReply), &reply);
- (void)WriteToClient(client, len, str);
- return(client->noClientException);
- }
- else
- {
- client->errorValue = stuff->id;
- return (BadAtom);
- }
-}
-
-#ifdef K5AUTH
-extern int k5_bad();
-#endif
-
-int
-ProcSetSelectionOwner(client)
- register ClientPtr client;
-{
- WindowPtr pWin;
- TimeStamp time;
- REQUEST(xSetSelectionOwnerReq);
-
- REQUEST_SIZE_MATCH(xSetSelectionOwnerReq);
- UpdateCurrentTime();
- time = ClientTimeToServerTime(stuff->time);
-
- /* If the client's time stamp is in the future relative to the server's
- time stamp, do not set the selection, just return success. */
- if (CompareTimeStamps(time, currentTime) == LATER)
- return Success;
- if (stuff->window != None)
- {
- pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
- }
- else
- pWin = (WindowPtr)None;
- if (ValidAtom(stuff->selection))
- {
- int i = 0;
-
- /*
- * First, see if the selection is already set...
- */
- while ((i < NumCurrentSelections) &&
- CurrentSelections[i].selection != stuff->selection)
- i++;
- if (i < NumCurrentSelections)
- {
- xEvent event;
-
- /* If the timestamp in client's request is in the past relative
- to the time stamp indicating the last time the owner of the
- selection was set, do not set the selection, just return
- success. */
- if (CompareTimeStamps(time, CurrentSelections[i].lastTimeChanged)
- == EARLIER)
- return Success;
- if (CurrentSelections[i].client &&
- (!pWin || (CurrentSelections[i].client != client)))
- {
- event.u.u.type = SelectionClear;
- event.u.selectionClear.time = time.milliseconds;
- event.u.selectionClear.window = CurrentSelections[i].window;
- event.u.selectionClear.atom = CurrentSelections[i].selection;
- (void) TryClientEvents (CurrentSelections[i].client, &event, 1,
- NoEventMask, NoEventMask /* CantBeFiltered */,
- NullGrab);
- }
- }
- else
- {
- /*
- * It doesn't exist, so add it...
- */
- Selection *newsels;
-
- if (i == 0)
- newsels = (Selection *)xalloc(sizeof(Selection));
- else
- newsels = (Selection *)xrealloc(CurrentSelections,
- (NumCurrentSelections + 1) * sizeof(Selection));
- if (!newsels)
- return BadAlloc;
- NumCurrentSelections++;
- CurrentSelections = newsels;
- CurrentSelections[i].selection = stuff->selection;
- }
- CurrentSelections[i].lastTimeChanged = time;
- CurrentSelections[i].window = stuff->window;
- CurrentSelections[i].pWin = pWin;
- CurrentSelections[i].client = (pWin ? client : NullClient);
- return (client->noClientException);
- }
- else
- {
- client->errorValue = stuff->selection;
- return (BadAtom);
- }
-}
-
-int
-ProcGetSelectionOwner(client)
- register ClientPtr client;
-{
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- if (ValidAtom(stuff->id))
- {
- int i;
- xGetSelectionOwnerReply reply;
-
- i = 0;
- while ((i < NumCurrentSelections) &&
- CurrentSelections[i].selection != stuff->id) i++;
- reply.type = X_Reply;
- reply.length = 0;
- reply.sequenceNumber = client->sequence;
- if (i < NumCurrentSelections)
- reply.owner = CurrentSelections[i].window;
- else
- reply.owner = None;
- WriteReplyToClient(client, sizeof(xGetSelectionOwnerReply), &reply);
- return(client->noClientException);
- }
- else
- {
- client->errorValue = stuff->id;
- return (BadAtom);
- }
-}
-
-int
-ProcConvertSelection(client)
- register ClientPtr client;
-{
- Bool paramsOkay;
- xEvent event;
- WindowPtr pWin;
- REQUEST(xConvertSelectionReq);
-
- REQUEST_SIZE_MATCH(xConvertSelectionReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->requestor, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
-
- paramsOkay = (ValidAtom(stuff->selection) && ValidAtom(stuff->target));
- if (stuff->property != None)
- paramsOkay &= ValidAtom(stuff->property);
- if (paramsOkay)
- {
- int i;
-
- i = 0;
- while ((i < NumCurrentSelections) &&
- CurrentSelections[i].selection != stuff->selection) i++;
- if ((i < NumCurrentSelections) &&
- (CurrentSelections[i].window != None)
-#ifdef XCSECURITY
- && (!client->CheckAccess ||
- (* client->CheckAccess)(client, CurrentSelections[i].window,
- RT_WINDOW, SecurityReadAccess,
- CurrentSelections[i].pWin))
-#endif
- )
- {
- event.u.u.type = SelectionRequest;
- event.u.selectionRequest.time = stuff->time;
- event.u.selectionRequest.owner =
- CurrentSelections[i].window;
- event.u.selectionRequest.requestor = stuff->requestor;
- event.u.selectionRequest.selection = stuff->selection;
- event.u.selectionRequest.target = stuff->target;
- event.u.selectionRequest.property = stuff->property;
- if (TryClientEvents(
- CurrentSelections[i].client, &event, 1, NoEventMask,
- NoEventMask /* CantBeFiltered */, NullGrab))
- return (client->noClientException);
- }
- event.u.u.type = SelectionNotify;
- event.u.selectionNotify.time = stuff->time;
- event.u.selectionNotify.requestor = stuff->requestor;
- event.u.selectionNotify.selection = stuff->selection;
- event.u.selectionNotify.target = stuff->target;
- event.u.selectionNotify.property = None;
- (void) TryClientEvents(client, &event, 1, NoEventMask,
- NoEventMask /* CantBeFiltered */, NullGrab);
- return (client->noClientException);
- }
- else
- {
- client->errorValue = stuff->property;
- return (BadAtom);
- }
-}
-
-int
-ProcGrabServer(client)
- register ClientPtr client;
-{
- REQUEST_SIZE_MATCH(xReq);
- if (grabState != GrabNone && client != grabClient)
- {
- ResetCurrentRequest(client);
- client->sequence--;
- BITSET(grabWaiters, client->index);
- IgnoreClient(client);
- return(client->noClientException);
- }
- OnlyListenToOneClient(client);
- grabState = GrabKickout;
- grabClient = client;
-
- if (ServerGrabCallback)
- {
- ServerGrabInfoRec grabinfo;
- grabinfo.client = client;
- grabinfo.grabstate = SERVER_GRABBED;
- CallCallbacks(&ServerGrabCallback, (pointer)&grabinfo);
- }
-
- return(client->noClientException);
-}
-
-static void
-#if NeedFunctionPrototypes
-UngrabServer(ClientPtr client)
-#else
-UngrabServer(client)
- ClientPtr client;
-#endif
-{
- int i;
-
- grabState = GrabNone;
- ListenToAllClients();
- for (i = mskcnt; --i >= 0 && !grabWaiters[i]; )
- ;
- if (i >= 0)
- {
- i <<= 5;
- while (!GETBIT(grabWaiters, i))
- i++;
- BITCLEAR(grabWaiters, i);
- AttendClient(clients[i]);
- }
-
- if (ServerGrabCallback)
- {
- ServerGrabInfoRec grabinfo;
- grabinfo.client = client;
- grabinfo.grabstate = SERVER_UNGRABBED;
- CallCallbacks(&ServerGrabCallback, (pointer)&grabinfo);
- }
-}
-
-int
-ProcUngrabServer(client)
- register ClientPtr client;
-{
- REQUEST_SIZE_MATCH(xReq);
- UngrabServer(client);
- return(client->noClientException);
-}
-
-int
-ProcTranslateCoords(client)
- register ClientPtr client;
-{
- REQUEST(xTranslateCoordsReq);
-
- register WindowPtr pWin, pDst;
- xTranslateCoordsReply rep;
-
- REQUEST_SIZE_MATCH(xTranslateCoordsReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->srcWid, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
- pDst = (WindowPtr)SecurityLookupWindow(stuff->dstWid, client,
- SecurityReadAccess);
- if (!pDst)
- return(BadWindow);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- if (!SAME_SCREENS(pWin->drawable, pDst->drawable))
- {
- rep.sameScreen = xFalse;
- rep.child = None;
- rep.dstX = rep.dstY = 0;
- }
- else
- {
- INT16 x, y;
- rep.sameScreen = xTrue;
- rep.child = None;
- /* computing absolute coordinates -- adjust to destination later */
- x = pWin->drawable.x + stuff->srcX;
- y = pWin->drawable.y + stuff->srcY;
- pWin = pDst->firstChild;
- while (pWin)
- {
-#ifdef SHAPE
- BoxRec box;
-#endif
- if ((pWin->mapped) &&
- (x >= pWin->drawable.x - wBorderWidth (pWin)) &&
- (x < pWin->drawable.x + (int)pWin->drawable.width +
- wBorderWidth (pWin)) &&
- (y >= pWin->drawable.y - wBorderWidth (pWin)) &&
- (y < pWin->drawable.y + (int)pWin->drawable.height +
- wBorderWidth (pWin))
-#ifdef SHAPE
- /* When a window is shaped, a further check
- * is made to see if the point is inside
- * borderSize
- */
- && (!wBoundingShape(pWin) ||
- POINT_IN_REGION(pWin->drawable.pScreen,
- &pWin->borderSize, x, y, &box))
-#endif
- )
- {
- rep.child = pWin->drawable.id;
- pWin = (WindowPtr) NULL;
- }
- else
- pWin = pWin->nextSib;
- }
- /* adjust to destination coordinates */
- rep.dstX = x - pDst->drawable.x;
- rep.dstY = y - pDst->drawable.y;
- }
- WriteReplyToClient(client, sizeof(xTranslateCoordsReply), &rep);
- return(client->noClientException);
-}
-
-int
-ProcOpenFont(client)
- register ClientPtr client;
-{
- int err;
- REQUEST(xOpenFontReq);
-
- REQUEST_FIXED_SIZE(xOpenFontReq, stuff->nbytes);
- client->errorValue = stuff->fid;
- LEGAL_NEW_RESOURCE(stuff->fid, client);
- err = OpenFont(client, stuff->fid, (Mask) 0,
- stuff->nbytes, (char *)&stuff[1]);
- if (err == Success)
- {
- return(client->noClientException);
- }
- else
- return err;
-}
-
-int
-ProcCloseFont(client)
- register ClientPtr client;
-{
- FontPtr pFont;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pFont = (FontPtr)SecurityLookupIDByType(client, stuff->id, RT_FONT,
- SecurityDestroyAccess);
- if ( pFont != (FontPtr)NULL) /* id was valid */
- {
- FreeResource(stuff->id, RT_NONE);
- return(client->noClientException);
- }
- else
- {
- client->errorValue = stuff->id;
- return (BadFont);
- }
-}
-
-int
-ProcQueryFont(client)
- register ClientPtr client;
-{
- xQueryFontReply *reply;
- FontPtr pFont;
- register GC *pGC;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- client->errorValue = stuff->id; /* EITHER font or gc */
- pFont = (FontPtr)SecurityLookupIDByType(client, stuff->id, RT_FONT,
- SecurityReadAccess);
- if (!pFont)
- {
- /* can't use VERIFY_GC because it might return BadGC */
- pGC = (GC *) SecurityLookupIDByType(client, stuff->id, RT_GC,
- SecurityReadAccess);
- if (!pGC)
- {
- client->errorValue = stuff->id;
- return(BadFont); /* procotol spec says only error is BadFont */
- }
- pFont = pGC->font;
- }
-
- {
- xCharInfo *pmax = FONTINKMAX(pFont);
- xCharInfo *pmin = FONTINKMIN(pFont);
- int nprotoxcistructs;
- int rlength;
-
- nprotoxcistructs = (
- pmax->rightSideBearing == pmin->rightSideBearing &&
- pmax->leftSideBearing == pmin->leftSideBearing &&
- pmax->descent == pmin->descent &&
- pmax->ascent == pmin->ascent &&
- pmax->characterWidth == pmin->characterWidth) ?
- 0 : N2dChars(pFont);
-
- rlength = sizeof(xQueryFontReply) +
- FONTINFONPROPS(FONTCHARSET(pFont)) * sizeof(xFontProp) +
- nprotoxcistructs * sizeof(xCharInfo);
- reply = (xQueryFontReply *)ALLOCATE_LOCAL(rlength);
- if(!reply)
- {
- return(BadAlloc);
- }
-
- reply->type = X_Reply;
- reply->length = (rlength - sizeof(xGenericReply)) >> 2;
- reply->sequenceNumber = client->sequence;
- QueryFont( pFont, reply, nprotoxcistructs);
-
- WriteReplyToClient(client, rlength, reply);
- DEALLOCATE_LOCAL(reply);
- return(client->noClientException);
- }
-}
-
-int
-ProcQueryTextExtents(client)
- register ClientPtr client;
-{
- REQUEST(xQueryTextExtentsReq);
- xQueryTextExtentsReply reply;
- FontPtr pFont;
- GC *pGC;
- ExtentInfoRec info;
- unsigned long length;
-
- REQUEST_AT_LEAST_SIZE(xQueryTextExtentsReq);
-
- pFont = (FontPtr)SecurityLookupIDByType(client, stuff->fid, RT_FONT,
- SecurityReadAccess);
- if (!pFont)
- {
- pGC = (GC *)SecurityLookupIDByType(client, stuff->fid, RT_GC,
- SecurityReadAccess);
- if (!pGC)
- {
- client->errorValue = stuff->fid;
- return(BadFont);
- }
- pFont = pGC->font;
- }
- length = client->req_len - (sizeof(xQueryTextExtentsReq) >> 2);
- length = length << 1;
- if (stuff->oddLength)
- {
- if (length == 0)
- return(BadLength);
- length--;
- }
- if (!QueryTextExtents(pFont, length, (unsigned char *)&stuff[1], &info))
- return(BadAlloc);
- reply.type = X_Reply;
- reply.length = 0;
- reply.sequenceNumber = client->sequence;
- reply.drawDirection = info.drawDirection;
- reply.fontAscent = info.fontAscent;
- reply.fontDescent = info.fontDescent;
- reply.overallAscent = info.overallAscent;
- reply.overallDescent = info.overallDescent;
- reply.overallWidth = info.overallWidth;
- reply.overallLeft = info.overallLeft;
- reply.overallRight = info.overallRight;
- WriteReplyToClient(client, sizeof(xQueryTextExtentsReply), &reply);
- return(client->noClientException);
-}
-
-int
-ProcListFonts(client)
- register ClientPtr client;
-{
- REQUEST(xListFontsReq);
-
- REQUEST_FIXED_SIZE(xListFontsReq, stuff->nbytes);
-
- return ListFonts(client, (unsigned char *) &stuff[1], stuff->nbytes,
- stuff->maxNames);
-}
-
-int
-ProcListFontsWithInfo(client)
- register ClientPtr client;
-{
- REQUEST(xListFontsWithInfoReq);
-
- REQUEST_FIXED_SIZE(xListFontsWithInfoReq, stuff->nbytes);
-
- return StartListFontsWithInfo(client, stuff->nbytes,
- (unsigned char *) &stuff[1], stuff->maxNames);
-}
-
-/*ARGSUSED*/
-int
-dixDestroyPixmap(value, pid)
- pointer value; /* must conform to DeleteType */
- XID pid;
-{
- PixmapPtr pPixmap = (PixmapPtr)value;
- return (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap);
-}
-
-int
-ProcCreatePixmap(client)
- register ClientPtr client;
-{
- PixmapPtr pMap;
- register DrawablePtr pDraw;
- REQUEST(xCreatePixmapReq);
- DepthPtr pDepth;
- register int i;
-
- REQUEST_SIZE_MATCH(xCreatePixmapReq);
- client->errorValue = stuff->pid;
- LEGAL_NEW_RESOURCE(stuff->pid, client);
- SECURITY_VERIFY_GEOMETRABLE (pDraw, stuff->drawable, client,
- SecurityReadAccess);
- if (!stuff->width || !stuff->height)
- {
- client->errorValue = 0;
- return BadValue;
- }
- if (stuff->depth != 1)
- {
- pDepth = pDraw->pScreen->allowedDepths;
- for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++)
- if (pDepth->depth == stuff->depth)
- goto CreatePmap;
- client->errorValue = stuff->depth;
- return BadValue;
- }
-CreatePmap:
- pMap = (PixmapPtr)(*pDraw->pScreen->CreatePixmap)
- (pDraw->pScreen, stuff->width,
- stuff->height, stuff->depth);
- if (pMap)
- {
- pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- pMap->drawable.id = stuff->pid;
- if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap))
- return(client->noClientException);
- }
- return (BadAlloc);
-}
-
-int
-ProcFreePixmap(client)
- register ClientPtr client;
-{
- PixmapPtr pMap;
-
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pMap = (PixmapPtr)SecurityLookupIDByType(client, stuff->id, RT_PIXMAP,
- SecurityDestroyAccess);
- if (pMap)
- {
- FreeResource(stuff->id, RT_NONE);
- return(client->noClientException);
- }
- else
- {
- client->errorValue = stuff->id;
- return (BadPixmap);
- }
-}
-
-int
-ProcCreateGC(client)
- register ClientPtr client;
-{
- int error;
- GC *pGC;
- register DrawablePtr pDraw;
- unsigned len;
- REQUEST(xCreateGCReq);
-
- REQUEST_AT_LEAST_SIZE(xCreateGCReq);
- client->errorValue = stuff->gc;
- LEGAL_NEW_RESOURCE(stuff->gc, client);
- SECURITY_VERIFY_DRAWABLE (pDraw, stuff->drawable, client,
- SecurityReadAccess);
- len = client->req_len - (sizeof(xCreateGCReq) >> 2);
- if (len != Ones(stuff->mask))
- return BadLength;
- pGC = (GC *)CreateGC(pDraw, stuff->mask,
- (XID *) &stuff[1], &error);
- if (error != Success)
- return error;
- if (!AddResource(stuff->gc, RT_GC, (pointer)pGC))
- return (BadAlloc);
- return(client->noClientException);
-}
-
-int
-ProcChangeGC(client)
- register ClientPtr client;
-{
- GC *pGC;
- REQUEST(xChangeGCReq);
- int result;
- unsigned len;
-
- REQUEST_AT_LEAST_SIZE(xChangeGCReq);
- SECURITY_VERIFY_GC(pGC, stuff->gc, client, SecurityWriteAccess);
- len = client->req_len - (sizeof(xChangeGCReq) >> 2);
- if (len != Ones(stuff->mask))
- return BadLength;
- result = dixChangeGC(client, pGC, stuff->mask, (CARD32 *) &stuff[1], 0);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- {
- client->errorValue = clientErrorValue;
- return(result);
- }
-}
-
-int
-ProcCopyGC(client)
- register ClientPtr client;
-{
- register GC *dstGC;
- register GC *pGC;
- int result;
- REQUEST(xCopyGCReq);
-
- REQUEST_SIZE_MATCH(xCopyGCReq);
- SECURITY_VERIFY_GC( pGC, stuff->srcGC, client, SecurityReadAccess);
- SECURITY_VERIFY_GC( dstGC, stuff->dstGC, client, SecurityWriteAccess);
- if ((dstGC->pScreen != pGC->pScreen) || (dstGC->depth != pGC->depth))
- return (BadMatch);
- result = CopyGC(pGC, dstGC, stuff->mask);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- {
- client->errorValue = clientErrorValue;
- return(result);
- }
-}
-
-int
-ProcSetDashes(client)
- register ClientPtr client;
-{
- register GC *pGC;
- int result;
- REQUEST(xSetDashesReq);
-
- REQUEST_FIXED_SIZE(xSetDashesReq, stuff->nDashes);
- if (stuff->nDashes == 0)
- {
- client->errorValue = 0;
- return BadValue;
- }
-
- SECURITY_VERIFY_GC(pGC,stuff->gc, client, SecurityWriteAccess);
-
- result = SetDashes(pGC, stuff->dashOffset, stuff->nDashes,
- (unsigned char *)&stuff[1]);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- {
- client->errorValue = clientErrorValue;
- return(result);
- }
-}
-
-int
-ProcSetClipRectangles(client)
- register ClientPtr client;
-{
- int nr;
- int result;
- register GC *pGC;
- REQUEST(xSetClipRectanglesReq);
-
- REQUEST_AT_LEAST_SIZE(xSetClipRectanglesReq);
- if ((stuff->ordering != Unsorted) && (stuff->ordering != YSorted) &&
- (stuff->ordering != YXSorted) && (stuff->ordering != YXBanded))
- {
- client->errorValue = stuff->ordering;
- return BadValue;
- }
- SECURITY_VERIFY_GC(pGC,stuff->gc, client, SecurityWriteAccess);
-
- nr = (client->req_len << 2) - sizeof(xSetClipRectanglesReq);
- if (nr & 4)
- return(BadLength);
- nr >>= 3;
- result = SetClipRects(pGC, stuff->xOrigin, stuff->yOrigin,
- nr, (xRectangle *)&stuff[1], (int)stuff->ordering);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
-}
-
-int
-ProcFreeGC(client)
- register ClientPtr client;
-{
- register GC *pGC;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- SECURITY_VERIFY_GC(pGC, stuff->id, client, SecurityDestroyAccess);
- FreeResource(stuff->id, RT_NONE);
- return(client->noClientException);
-}
-
-int
-ProcClearToBackground(client)
- register ClientPtr client;
-{
- REQUEST(xClearAreaReq);
- register WindowPtr pWin;
-
- REQUEST_SIZE_MATCH(xClearAreaReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
- SecurityWriteAccess);
- if (!pWin)
- return(BadWindow);
- if (pWin->drawable.class == InputOnly)
- {
- client->errorValue = stuff->window;
- return (BadMatch);
- }
- if ((stuff->exposures != xTrue) && (stuff->exposures != xFalse))
- {
- client->errorValue = stuff->exposures;
- return(BadValue);
- }
- (*pWin->drawable.pScreen->ClearToBackground)(pWin, stuff->x, stuff->y,
- stuff->width, stuff->height,
- (Bool)stuff->exposures);
- return(client->noClientException);
-}
-
-int
-ProcCopyArea(client)
- register ClientPtr client;
-{
- register DrawablePtr pDst;
- register DrawablePtr pSrc;
- register GC *pGC;
- REQUEST(xCopyAreaReq);
- RegionPtr pRgn;
-
- REQUEST_SIZE_MATCH(xCopyAreaReq);
-
- VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, pGC, client);
- if (stuff->dstDrawable != stuff->srcDrawable)
- {
- SECURITY_VERIFY_DRAWABLE(pSrc, stuff->srcDrawable, client,
- SecurityReadAccess);
- if ((pDst->pScreen != pSrc->pScreen) || (pDst->depth != pSrc->depth))
- {
- client->errorValue = stuff->dstDrawable;
- return (BadMatch);
- }
- }
- else
- pSrc = pDst;
-
- SET_DBE_SRCBUF(pSrc, stuff->srcDrawable);
-
- pRgn = (*pGC->ops->CopyArea)(pSrc, pDst, pGC, stuff->srcX, stuff->srcY,
- stuff->width, stuff->height,
- stuff->dstX, stuff->dstY);
- if (pGC->graphicsExposures)
- {
- (*pDst->pScreen->SendGraphicsExpose)
- (client, pRgn, stuff->dstDrawable, X_CopyArea, 0);
- if (pRgn)
- REGION_DESTROY(pDst->pScreen, pRgn);
- }
-
- return(client->noClientException);
-}
-
-int
-ProcCopyPlane(client)
- register ClientPtr client;
-{
- register DrawablePtr psrcDraw, pdstDraw;
- register GC *pGC;
- REQUEST(xCopyPlaneReq);
- RegionPtr pRgn;
-
- REQUEST_SIZE_MATCH(xCopyPlaneReq);
-
- VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, pGC, client);
- if (stuff->dstDrawable != stuff->srcDrawable)
- {
- SECURITY_VERIFY_DRAWABLE(psrcDraw, stuff->srcDrawable, client,
- SecurityReadAccess);
- if (pdstDraw->pScreen != psrcDraw->pScreen)
- {
- client->errorValue = stuff->dstDrawable;
- return (BadMatch);
- }
- }
- else
- psrcDraw = pdstDraw;
-
- SET_DBE_SRCBUF(psrcDraw, stuff->srcDrawable);
-
- /* Check to see if stuff->bitPlane has exactly ONE good bit set */
- if(stuff->bitPlane == 0 || (stuff->bitPlane & (stuff->bitPlane - 1)) ||
- (stuff->bitPlane > (1L << (psrcDraw->depth - 1))))
- {
- client->errorValue = stuff->bitPlane;
- return(BadValue);
- }
-
- pRgn = (*pGC->ops->CopyPlane)(psrcDraw, pdstDraw, pGC, stuff->srcX, stuff->srcY,
- stuff->width, stuff->height,
- stuff->dstX, stuff->dstY, stuff->bitPlane);
- if (pGC->graphicsExposures)
- {
- (*pdstDraw->pScreen->SendGraphicsExpose)
- (client, pRgn, stuff->dstDrawable, X_CopyPlane, 0);
- if (pRgn)
- REGION_DESTROY(pdstDraw->pScreen, pRgn);
- }
- return(client->noClientException);
-}
-
-int
-ProcPolyPoint(client)
- register ClientPtr client;
-{
- int npoint;
- register GC *pGC;
- register DrawablePtr pDraw;
- REQUEST(xPolyPointReq);
-
- REQUEST_AT_LEAST_SIZE(xPolyPointReq);
- if ((stuff->coordMode != CoordModeOrigin) &&
- (stuff->coordMode != CoordModePrevious))
- {
- client->errorValue = stuff->coordMode;
- return BadValue;
- }
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
- npoint = ((client->req_len << 2) - sizeof(xPolyPointReq)) >> 2;
- if (npoint)
- (*pGC->ops->PolyPoint)(pDraw, pGC, stuff->coordMode, npoint,
- (xPoint *) &stuff[1]);
- return (client->noClientException);
-}
-
-int
-ProcPolyLine(client)
- register ClientPtr client;
-{
- int npoint;
- register GC *pGC;
- register DrawablePtr pDraw;
- REQUEST(xPolyLineReq);
-
- REQUEST_AT_LEAST_SIZE(xPolyLineReq);
- if ((stuff->coordMode != CoordModeOrigin) &&
- (stuff->coordMode != CoordModePrevious))
- {
- client->errorValue = stuff->coordMode;
- return BadValue;
- }
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
- npoint = ((client->req_len << 2) - sizeof(xPolyLineReq)) >> 2;
- if (npoint > 1)
- (*pGC->ops->Polylines)(pDraw, pGC, stuff->coordMode, npoint,
- (DDXPointPtr) &stuff[1]);
- return(client->noClientException);
-}
-
-int
-ProcPolySegment(client)
- register ClientPtr client;
-{
- int nsegs;
- register GC *pGC;
- register DrawablePtr pDraw;
- REQUEST(xPolySegmentReq);
-
- REQUEST_AT_LEAST_SIZE(xPolySegmentReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
- nsegs = (client->req_len << 2) - sizeof(xPolySegmentReq);
- if (nsegs & 4)
- return(BadLength);
- nsegs >>= 3;
- if (nsegs)
- (*pGC->ops->PolySegment)(pDraw, pGC, nsegs, (xSegment *) &stuff[1]);
- return (client->noClientException);
-}
-
-int
-ProcPolyRectangle (client)
- register ClientPtr client;
-{
- int nrects;
- register GC *pGC;
- register DrawablePtr pDraw;
- REQUEST(xPolyRectangleReq);
-
- REQUEST_AT_LEAST_SIZE(xPolyRectangleReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
- nrects = (client->req_len << 2) - sizeof(xPolyRectangleReq);
- if (nrects & 4)
- return(BadLength);
- nrects >>= 3;
- if (nrects)
- (*pGC->ops->PolyRectangle)(pDraw, pGC,
- nrects, (xRectangle *) &stuff[1]);
- return(client->noClientException);
-}
-
-int
-ProcPolyArc(client)
- register ClientPtr client;
-{
- int narcs;
- register GC *pGC;
- register DrawablePtr pDraw;
- REQUEST(xPolyArcReq);
-
- REQUEST_AT_LEAST_SIZE(xPolyArcReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
- narcs = (client->req_len << 2) - sizeof(xPolyArcReq);
- if (narcs % sizeof(xArc))
- return(BadLength);
- narcs /= sizeof(xArc);
- if (narcs)
- (*pGC->ops->PolyArc)(pDraw, pGC, narcs, (xArc *) &stuff[1]);
- return (client->noClientException);
-}
-
-int
-ProcFillPoly(client)
- register ClientPtr client;
-{
- int things;
- register GC *pGC;
- register DrawablePtr pDraw;
- REQUEST(xFillPolyReq);
-
- REQUEST_AT_LEAST_SIZE(xFillPolyReq);
- if ((stuff->shape != Complex) && (stuff->shape != Nonconvex) &&
- (stuff->shape != Convex))
- {
- client->errorValue = stuff->shape;
- return BadValue;
- }
- if ((stuff->coordMode != CoordModeOrigin) &&
- (stuff->coordMode != CoordModePrevious))
- {
- client->errorValue = stuff->coordMode;
- return BadValue;
- }
-
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
- things = ((client->req_len << 2) - sizeof(xFillPolyReq)) >> 2;
- if (things)
- (*pGC->ops->FillPolygon) (pDraw, pGC, stuff->shape,
- stuff->coordMode, things,
- (DDXPointPtr) &stuff[1]);
- return(client->noClientException);
-}
-
-int
-ProcPolyFillRectangle(client)
- register ClientPtr client;
-{
- int things;
- register GC *pGC;
- register DrawablePtr pDraw;
- REQUEST(xPolyFillRectangleReq);
-
- REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
- things = (client->req_len << 2) - sizeof(xPolyFillRectangleReq);
- if (things & 4)
- return(BadLength);
- things >>= 3;
- if (things)
- (*pGC->ops->PolyFillRect) (pDraw, pGC, things,
- (xRectangle *) &stuff[1]);
- return (client->noClientException);
-}
-
-int
-ProcPolyFillArc(client)
- register ClientPtr client;
-{
- int narcs;
- register GC *pGC;
- register DrawablePtr pDraw;
- REQUEST(xPolyFillArcReq);
-
- REQUEST_AT_LEAST_SIZE(xPolyFillArcReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
- narcs = (client->req_len << 2) - sizeof(xPolyFillArcReq);
- if (narcs % sizeof(xArc))
- return(BadLength);
- narcs /= sizeof(xArc);
- if (narcs)
- (*pGC->ops->PolyFillArc) (pDraw, pGC, narcs, (xArc *) &stuff[1]);
- return (client->noClientException);
-}
-
-/* 64-bit server notes: the protocol restricts padding of images to
- * 8-, 16-, or 32-bits. We would like to have 64-bits for the server
- * to use internally. Removes need for internal alignment checking.
- * All of the PutImage functions could be changed individually, but
- * as currently written, they call other routines which require things
- * to be 64-bit padded on scanlines, so we changed things here.
- * If an image would be padded differently for 64- versus 32-, then
- * copy each scanline to a 64-bit padded scanline.
- * Also, we need to make sure that the image is aligned on a 64-bit
- * boundary, even if the scanlines are padded to our satisfaction.
- */
-int
-ProcPutImage(client)
- register ClientPtr client;
-{
- register GC *pGC;
- register DrawablePtr pDraw;
- long length; /* length of scanline server padded */
- long lengthProto; /* length of scanline protocol padded */
- char *tmpImage;
- REQUEST(xPutImageReq);
-
- REQUEST_AT_LEAST_SIZE(xPutImageReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
- if (stuff->format == XYBitmap)
- {
- if ((stuff->depth != 1) ||
- (stuff->leftPad >= (unsigned int)screenInfo.bitmapScanlinePad))
- return BadMatch;
- length = BitmapBytePad(stuff->width + stuff->leftPad);
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- lengthProto = BitmapBytePadProto(stuff->width + stuff->leftPad);
-#endif
- }
- else if (stuff->format == XYPixmap)
- {
- if ((pDraw->depth != stuff->depth) ||
- (stuff->leftPad >= (unsigned int)screenInfo.bitmapScanlinePad))
- return BadMatch;
- length = BitmapBytePad(stuff->width + stuff->leftPad);
- length *= stuff->depth;
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- lengthProto = BitmapBytePadProto(stuff->width + stuff->leftPad);
- lengthProto *= stuff->depth;
-#endif
- }
- else if (stuff->format == ZPixmap)
- {
- if ((pDraw->depth != stuff->depth) || (stuff->leftPad != 0))
- return BadMatch;
- length = PixmapBytePad(stuff->width, stuff->depth);
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- lengthProto = PixmapBytePadProto(stuff->width, stuff->depth);
-#endif
- }
- else
- {
- client->errorValue = stuff->format;
- return BadValue;
- }
-
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- /* handle 64 bit case where protocol may pad to 32 and we want 64 */
- if ( length != lengthProto ) {
- register int i;
- char * stuffptr, /* pointer into protocol data */
- * tmpptr; /* new location to copy to */
-
- if(!(tmpImage = (char *) ALLOCATE_LOCAL(length*stuff->height)))
- return (BadAlloc);
-
- bzero(tmpImage,length*stuff->height);
-
- if ( stuff->format == XYPixmap ) {
- int lineBytes = BitmapBytePad(stuff->width + stuff->leftPad);
- int lineBytesProto =
- BitmapBytePadProto(stuff->width + stuff->leftPad);
- int depth = stuff->depth;
-
- stuffptr = (char *)&stuff[1];
- tmpptr = tmpImage;
- for ( i = 0; i < stuff->height*stuff->depth;
- stuffptr += lineBytesProto,tmpptr += lineBytes, i++)
- memmove(tmpptr,stuffptr,lineBytesProto);
- }
- else {
- for ( i = 0,stuffptr = (char *)&stuff[1],tmpptr=tmpImage;
- i < stuff->height;
- stuffptr += lengthProto,tmpptr += length, i++)
- memmove(tmpptr,stuffptr,lengthProto);
- }
- }
-
- /* handle 64-bit case where stuff is not 64-bit aligned */
- else if ((unsigned long)&stuff[1] & (sizeof(long)-1)) {
- if(!(tmpImage = (char *) ALLOCATE_LOCAL(length*stuff->height)))
- return (BadAlloc);
- memmove(tmpImage,(char *)&stuff[1],length*stuff->height);
- }
- else
- tmpImage = (char *)&stuff[1];
-#else
- tmpImage = (char *)&stuff[1];
- lengthProto = length;
-#endif /* INTERNAL_VS_EXTERNAL_PADDING */
-
- if (((((lengthProto * stuff->height) + (unsigned)3) >> 2) +
- (sizeof(xPutImageReq) >> 2)) != client->req_len)
- return BadLength;
-
- (*pGC->ops->PutImage) (pDraw, pGC, stuff->depth, stuff->dstX, stuff->dstY,
- stuff->width, stuff->height,
- stuff->leftPad, stuff->format, tmpImage);
-
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- /* free up our temporary space if used */
- if (tmpImage != (char *)&stuff[1])
- DEALLOCATE_LOCAL(tmpImage);
-#endif /* INTERNAL_VS_EXTERNAL_PADDING */
-
- return (client->noClientException);
-}
-
-
-int
-DoGetImage(client, format, drawable, x, y, width, height, planemask, im_return)
- register ClientPtr client;
- Drawable drawable;
- int format;
- int x, y, width, height;
- Mask planemask;
- xGetImageReply **im_return;
-{
- register DrawablePtr pDraw;
- int nlines, linesPerBuf;
- register int linesDone;
- long widthBytesLine, length;
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- long widthBytesLineProto, lengthProto;
-#endif
- Mask plane;
- char *pBuf;
- xGetImageReply xgi;
- RegionPtr pVisibleRegion = NULL;
-
- if ((format != XYPixmap) && (format != ZPixmap))
- {
- client->errorValue = format;
- return(BadValue);
- }
- SECURITY_VERIFY_DRAWABLE(pDraw, drawable, client, SecurityReadAccess);
- if(pDraw->type == DRAWABLE_WINDOW)
- {
- if( /* check for being viewable */
- !((WindowPtr) pDraw)->realized ||
- /* check for being on screen */
- pDraw->x + x < 0 ||
- pDraw->x + x + width > pDraw->pScreen->width ||
- pDraw->y + y < 0 ||
- pDraw->y + y + height > pDraw->pScreen->height ||
- /* check for being inside of border */
- x < - wBorderWidth((WindowPtr)pDraw) ||
- x + width > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width ||
- y < -wBorderWidth((WindowPtr)pDraw) ||
- y + height > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height
- )
- return(BadMatch);
- xgi.visual = wVisual (((WindowPtr) pDraw));
- }
- else
- {
- if(x < 0 ||
- x+width > (int)pDraw->width ||
- y < 0 ||
- y+height > (int)pDraw->height
- )
- return(BadMatch);
- xgi.visual = None;
- }
-
- SET_DBE_SRCBUF(pDraw, drawable);
-
- xgi.type = X_Reply;
- xgi.sequenceNumber = client->sequence;
- xgi.depth = pDraw->depth;
- if(format == ZPixmap)
- {
- widthBytesLine = PixmapBytePad(width, pDraw->depth);
- length = widthBytesLine * height;
-
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- widthBytesLineProto = PixmapBytePadProto(width, pDraw->depth);
- lengthProto = widthBytesLineProto * height;
-#endif
- }
- else
- {
- widthBytesLine = BitmapBytePad(width);
- plane = ((Mask)1) << (pDraw->depth - 1);
- /* only planes asked for */
- length = widthBytesLine * height *
- Ones(planemask & (plane | (plane - 1)));
-
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- widthBytesLineProto = BitmapBytePadProto(width);
- lengthProto = widthBytesLineProto * height *
- Ones(planemask & (plane | (plane - 1)));
-#endif
- }
-
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- xgi.length = lengthProto;
-#else
- xgi.length = length;
-#endif
-
- if (im_return) {
- pBuf = (char *)xalloc(sz_xGetImageReply + length);
- if (!pBuf)
- return (BadAlloc);
- if (widthBytesLine == 0)
- linesPerBuf = 0;
- else
- linesPerBuf = height;
- *im_return = (xGetImageReply *)pBuf;
- *(xGetImageReply *)pBuf = xgi;
- pBuf += sz_xGetImageReply;
- } else {
- xgi.length = (xgi.length + 3) >> 2;
- if (widthBytesLine == 0 || height == 0)
- linesPerBuf = 0;
- else if (widthBytesLine >= IMAGE_BUFSIZE)
- linesPerBuf = 1;
- else
- {
- linesPerBuf = IMAGE_BUFSIZE / widthBytesLine;
- if (linesPerBuf > height)
- linesPerBuf = height;
- }
- length = linesPerBuf * widthBytesLine;
- if (linesPerBuf < height)
- {
- /* we have to make sure intermediate buffers don't need padding */
- while ((linesPerBuf > 1) &&
- (length & ((1 << LOG2_BYTES_PER_SCANLINE_PAD)-1)))
- {
- linesPerBuf--;
- length -= widthBytesLine;
- }
- while (length & ((1 << LOG2_BYTES_PER_SCANLINE_PAD)-1))
- {
- linesPerBuf++;
- length += widthBytesLine;
- }
- }
- if(!(pBuf = (char *) ALLOCATE_LOCAL(length)))
- return (BadAlloc);
- WriteReplyToClient(client, sizeof (xGetImageReply), &xgi);
- }
-
-#ifdef XCSECURITY
- if (client->trustLevel != XSecurityClientTrusted &&
- pDraw->type == DRAWABLE_WINDOW)
- {
- pVisibleRegion = NotClippedByChildren((WindowPtr)pDraw);
- if (pVisibleRegion)
- {
- REGION_TRANSLATE(pScreen, pVisibleRegion, -pDraw->x, -pDraw->y);
- }
- }
-#endif
-
- if (linesPerBuf == 0)
- {
- /* nothing to do */
- }
- else if (format == ZPixmap)
- {
- linesDone = 0;
- while (height - linesDone > 0)
- {
- nlines = min(linesPerBuf, height - linesDone);
- (*pDraw->pScreen->GetImage) (pDraw,
- x,
- y + linesDone,
- width,
- nlines,
- format,
- planemask,
- (pointer) pBuf);
-#ifdef XCSECURITY
- if (pVisibleRegion)
- SecurityCensorImage(client, pVisibleRegion, widthBytesLine,
- pDraw, x, y + linesDone, width,
- nlines, format, pBuf);
-#endif
-
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- /* for 64-bit server, convert image to pad to 32 bits */
- if ( widthBytesLine != widthBytesLineProto ) {
- register char * bufPtr, * protoPtr;
- register int i;
-
- for (i = 1,
- bufPtr = pBuf + widthBytesLine,
- protoPtr = pBuf + widthBytesLineProto;
- i < nlines;
- bufPtr += widthBytesLine,
- protoPtr += widthBytesLineProto,
- i++)
- memmove(protoPtr, bufPtr, widthBytesLineProto);
- }
-#endif
- /* Note that this is NOT a call to WriteSwappedDataToClient,
- as we do NOT byte swap */
- if (!im_return)
-/* Don't split me, gcc pukes when you do */
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- (void)WriteToClient(client,
- (int)(nlines * widthBytesLineProto),
- pBuf);
-#else
- (void)WriteToClient(client,
- (int)(nlines * widthBytesLine),
- pBuf);
-#endif
- linesDone += nlines;
- }
- }
- else /* XYPixmap */
- {
- for (; plane; plane >>= 1)
- {
- if (planemask & plane)
- {
- linesDone = 0;
- while (height - linesDone > 0)
- {
- nlines = min(linesPerBuf, height - linesDone);
- (*pDraw->pScreen->GetImage) (pDraw,
- x,
- y + linesDone,
- width,
- nlines,
- format,
- plane,
- (pointer)pBuf);
-#ifdef XCSECURITY
- if (pVisibleRegion)
- SecurityCensorImage(client, pVisibleRegion,
- widthBytesLine,
- pDraw, x, y + linesDone, width,
- nlines, format, pBuf);
-#endif
-
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- /* for 64-bit server, convert image to pad to 32 bits */
- if ( widthBytesLine != widthBytesLineProto ) {
- register char * bufPtr, * protoPtr;
- register int i;
-
- for (i = 1,
- bufPtr = pBuf + widthBytesLine,
- protoPtr = pBuf + widthBytesLineProto;
- i < nlines;
- bufPtr += widthBytesLine,
- protoPtr += widthBytesLineProto,
- i++)
- memmove(protoPtr, bufPtr, widthBytesLineProto);
- }
-#endif
- /* Note: NOT a call to WriteSwappedDataToClient,
- as we do NOT byte swap */
- if (im_return) {
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- pBuf += nlines * widthBytesLineProto;
-#else
- pBuf += nlines * widthBytesLine;
-#endif
- } else
-/* Don't split me, gcc pukes when you do */
-#ifdef INTERNAL_VS_EXTERNAL_PADDING
- (void)WriteToClient(client,
- (int)(nlines * widthBytesLineProto),
- pBuf);
-#else
- (void)WriteToClient(client,
- (int)(nlines * widthBytesLine),
- pBuf);
-#endif
- linesDone += nlines;
- }
- }
- }
- }
-#ifdef XCSECURITY
- if (pVisibleRegion)
- REGION_DESTROY(pScreen, pVisibleRegion);
-#endif
- if (!im_return)
- DEALLOCATE_LOCAL(pBuf);
- return (client->noClientException);
-}
-
-int
-ProcGetImage(client)
- register ClientPtr client;
-{
- REQUEST(xGetImageReq);
-
- REQUEST_SIZE_MATCH(xGetImageReq);
-
- return DoGetImage(client, stuff->format, stuff->drawable,
- stuff->x, stuff->y,
- (int)stuff->width, (int)stuff->height,
- stuff->planeMask, (xGetImageReply **)NULL);
-}
-
-int
-ProcPolyText(client)
- register ClientPtr client;
-{
- int err;
- REQUEST(xPolyTextReq);
- DrawablePtr pDraw;
- GC *pGC;
-
- REQUEST_AT_LEAST_SIZE(xPolyTextReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
-
- err = PolyText(client,
- pDraw,
- pGC,
- (unsigned char *)&stuff[1],
- ((unsigned char *) stuff) + (client->req_len << 2),
- stuff->x,
- stuff->y,
- stuff->reqType,
- stuff->drawable);
-
- if (err == Success)
- {
- return(client->noClientException);
- }
- else
- return err;
-}
-
-int
-ProcImageText8(client)
- register ClientPtr client;
-{
- int err;
- register DrawablePtr pDraw;
- register GC *pGC;
-
- REQUEST(xImageTextReq);
-
- REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
-
- err = ImageText(client,
- pDraw,
- pGC,
- stuff->nChars,
- (unsigned char *)&stuff[1],
- stuff->x,
- stuff->y,
- stuff->reqType,
- stuff->drawable);
-
- if (err == Success)
- {
- return(client->noClientException);
- }
- else
- return err;
-}
-
-int
-ProcImageText16(client)
- register ClientPtr client;
-{
- int err;
- register DrawablePtr pDraw;
- register GC *pGC;
-
- REQUEST(xImageTextReq);
-
- REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
-
- err = ImageText(client,
- pDraw,
- pGC,
- stuff->nChars,
- (unsigned char *)&stuff[1],
- stuff->x,
- stuff->y,
- stuff->reqType,
- stuff->drawable);
-
- if (err == Success)
- {
- return(client->noClientException);
- }
- else
- return err;
-}
-
-
-int
-ProcCreateColormap(client)
- register ClientPtr client;
-{
- VisualPtr pVisual;
- ColormapPtr pmap;
- Colormap mid;
- register WindowPtr pWin;
- ScreenPtr pScreen;
- REQUEST(xCreateColormapReq);
- int i, result;
-
- REQUEST_SIZE_MATCH(xCreateColormapReq);
-
- if ((stuff->alloc != AllocNone) && (stuff->alloc != AllocAll))
- {
- client->errorValue = stuff->alloc;
- return(BadValue);
- }
- mid = stuff->mid;
- LEGAL_NEW_RESOURCE(mid, client);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
- SecurityReadAccess);
- if (!pWin)
- return(BadWindow);
-
- pScreen = pWin->drawable.pScreen;
- for (i = 0, pVisual = pScreen->visuals;
- i < pScreen->numVisuals;
- i++, pVisual++)
- {
- if (pVisual->vid != stuff->visual)
- continue;
- result = CreateColormap(mid, pScreen, pVisual, &pmap,
- (int)stuff->alloc, client->index);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
- }
- client->errorValue = stuff->visual;
- return(BadValue);
-}
-
-int
-ProcFreeColormap(client)
- register ClientPtr client;
-{
- ColormapPtr pmap;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pmap = (ColormapPtr )SecurityLookupIDByType(client, stuff->id, RT_COLORMAP,
- SecurityDestroyAccess);
- if (pmap)
- {
- /* Freeing a default colormap is a no-op */
- if (!(pmap->flags & IsDefault))
- FreeResource(stuff->id, RT_NONE);
- return (client->noClientException);
- }
- else
- {
- client->errorValue = stuff->id;
- return (BadColor);
- }
-}
-
-
-int
-ProcCopyColormapAndFree(client)
- register ClientPtr client;
-{
- Colormap mid;
- ColormapPtr pSrcMap;
- REQUEST(xCopyColormapAndFreeReq);
- int result;
-
- REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq);
- mid = stuff->mid;
- LEGAL_NEW_RESOURCE(mid, client);
- if( (pSrcMap = (ColormapPtr )SecurityLookupIDByType(client, stuff->srcCmap,
- RT_COLORMAP, SecurityReadAccess|SecurityWriteAccess)) )
- {
- result = CopyColormapAndFree(mid, pSrcMap, client->index);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
- }
- else
- {
- client->errorValue = stuff->srcCmap;
- return(BadColor);
- }
-}
-
-int
-ProcInstallColormap(client)
- register ClientPtr client;
-{
- ColormapPtr pcmp;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->id,
- RT_COLORMAP, SecurityReadAccess);
- if (pcmp)
- {
- (*(pcmp->pScreen->InstallColormap)) (pcmp);
- return (client->noClientException);
- }
- else
- {
- client->errorValue = stuff->id;
- return (BadColor);
- }
-}
-
-int
-ProcUninstallColormap(client)
- register ClientPtr client;
-{
- ColormapPtr pcmp;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->id,
- RT_COLORMAP, SecurityReadAccess);
- if (pcmp)
- {
- if(pcmp->mid != pcmp->pScreen->defColormap)
- (*(pcmp->pScreen->UninstallColormap)) (pcmp);
- return (client->noClientException);
- }
- else
- {
- client->errorValue = stuff->id;
- return (BadColor);
- }
-}
-
-int
-ProcListInstalledColormaps(client)
- register ClientPtr client;
-{
- xListInstalledColormapsReply *preply;
- int nummaps;
- WindowPtr pWin;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
- SecurityReadAccess);
-
- if (!pWin)
- return(BadWindow);
-
- preply = (xListInstalledColormapsReply *)
- ALLOCATE_LOCAL(sizeof(xListInstalledColormapsReply) +
- pWin->drawable.pScreen->maxInstalledCmaps *
- sizeof(Colormap));
- if(!preply)
- return(BadAlloc);
-
- preply->type = X_Reply;
- preply->sequenceNumber = client->sequence;
- nummaps = (*pWin->drawable.pScreen->ListInstalledColormaps)
- (pWin->drawable.pScreen, (Colormap *)&preply[1]);
- preply->nColormaps = nummaps;
- preply->length = nummaps;
- WriteReplyToClient(client, sizeof (xListInstalledColormapsReply), preply);
- client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
- WriteSwappedDataToClient(client, nummaps * sizeof(Colormap), &preply[1]);
- DEALLOCATE_LOCAL(preply);
- return(client->noClientException);
-}
-
-int
-ProcAllocColor(client)
- register ClientPtr client;
-{
- ColormapPtr pmap;
- int retval;
- xAllocColorReply acr;
- REQUEST(xAllocColorReq);
-
- REQUEST_SIZE_MATCH(xAllocColorReq);
- pmap = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
- RT_COLORMAP, SecurityWriteAccess);
- if (pmap)
- {
-#ifdef LBX
- /*
- * If the colormap is grabbed by a proxy, the server will have
- * to regain control over the colormap. This AllocColor request
- * will be handled after the server gets back the colormap control.
- */
- if (LbxCheckColorRequest (client, pmap, (xReq *) stuff))
- return Success;
-#endif
- acr.type = X_Reply;
- acr.length = 0;
- acr.sequenceNumber = client->sequence;
- acr.red = stuff->red;
- acr.green = stuff->green;
- acr.blue = stuff->blue;
- acr.pixel = 0;
- if( (retval = AllocColor(pmap, &acr.red, &acr.green, &acr.blue,
- &acr.pixel, client->index)) )
- {
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return (retval);
- }
- WriteReplyToClient(client, sizeof(xAllocColorReply), &acr);
- return (client->noClientException);
-
- }
- else
- {
- client->errorValue = stuff->cmap;
- return (BadColor);
- }
-}
-
-int
-ProcAllocNamedColor (client)
- register ClientPtr client;
-{
- ColormapPtr pcmp;
- REQUEST(xAllocNamedColorReq);
-
- REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes);
- pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
- RT_COLORMAP, SecurityWriteAccess);
- if (pcmp)
- {
- int retval;
-
- xAllocNamedColorReply ancr;
-
-#ifdef LBX
- /*
- * If the colormap is grabbed by a proxy, the server will have
- * to regain control over the colormap. This AllocNamedColor request
- * will be handled after the server gets back the colormap control.
- */
- if (LbxCheckColorRequest (client, pcmp, (xReq *) stuff))
- return Success;
-#endif
- ancr.type = X_Reply;
- ancr.length = 0;
- ancr.sequenceNumber = client->sequence;
-
- if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1], stuff->nbytes,
- &ancr.exactRed, &ancr.exactGreen, &ancr.exactBlue))
- {
- ancr.screenRed = ancr.exactRed;
- ancr.screenGreen = ancr.exactGreen;
- ancr.screenBlue = ancr.exactBlue;
- ancr.pixel = 0;
- if( (retval = AllocColor(pcmp,
- &ancr.screenRed, &ancr.screenGreen, &ancr.screenBlue,
- &ancr.pixel, client->index)) )
- {
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(retval);
- }
- WriteReplyToClient(client, sizeof (xAllocNamedColorReply), &ancr);
- return (client->noClientException);
- }
- else
- return(BadName);
-
- }
- else
- {
- client->errorValue = stuff->cmap;
- return (BadColor);
- }
-}
-
-int
-ProcAllocColorCells (client)
- register ClientPtr client;
-{
- ColormapPtr pcmp;
- REQUEST(xAllocColorCellsReq);
-
- REQUEST_SIZE_MATCH(xAllocColorCellsReq);
- pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
- RT_COLORMAP, SecurityWriteAccess);
- if (pcmp)
- {
- xAllocColorCellsReply accr;
- int npixels, nmasks, retval;
- long length;
- Pixel *ppixels, *pmasks;
-
-#ifdef LBX
- /*
- * If the colormap is grabbed by a proxy, the server will have
- * to regain control over the colormap. This AllocColorCells request
- * will be handled after the server gets back the colormap control.
- */
- if (LbxCheckColorRequest (client, pcmp, (xReq *) stuff))
- return Success;
-#endif
- npixels = stuff->colors;
- if (!npixels)
- {
- client->errorValue = npixels;
- return (BadValue);
- }
- if (stuff->contiguous != xTrue && stuff->contiguous != xFalse)
- {
- client->errorValue = stuff->contiguous;
- return (BadValue);
- }
- nmasks = stuff->planes;
- length = ((long)npixels + (long)nmasks) * sizeof(Pixel);
- ppixels = (Pixel *)ALLOCATE_LOCAL(length);
- if(!ppixels)
- return(BadAlloc);
- pmasks = ppixels + npixels;
-
- if( (retval = AllocColorCells(client->index, pcmp, npixels, nmasks,
- (Bool)stuff->contiguous, ppixels, pmasks)) )
- {
- DEALLOCATE_LOCAL(ppixels);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(retval);
- }
- accr.type = X_Reply;
- accr.length = length >> 2;
- accr.sequenceNumber = client->sequence;
- accr.nPixels = npixels;
- accr.nMasks = nmasks;
- WriteReplyToClient(client, sizeof (xAllocColorCellsReply), &accr);
- client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
- WriteSwappedDataToClient(client, length, ppixels);
- DEALLOCATE_LOCAL(ppixels);
- return (client->noClientException);
- }
- else
- {
- client->errorValue = stuff->cmap;
- return (BadColor);
- }
-}
-
-int
-ProcAllocColorPlanes(client)
- register ClientPtr client;
-{
- ColormapPtr pcmp;
- REQUEST(xAllocColorPlanesReq);
-
- REQUEST_SIZE_MATCH(xAllocColorPlanesReq);
- pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
- RT_COLORMAP, SecurityWriteAccess);
- if (pcmp)
- {
- xAllocColorPlanesReply acpr;
- int npixels, retval;
- long length;
- Pixel *ppixels;
-
-#ifdef LBX
- /*
- * If the colormap is grabbed by a proxy, the server will have
- * to regain control over the colormap. This AllocColorPlanes request
- * will be handled after the server gets back the colormap control.
- */
- if (LbxCheckColorRequest (client, pcmp, (xReq *) stuff))
- return Success;
-#endif
- npixels = stuff->colors;
- if (!npixels)
- {
- client->errorValue = npixels;
- return (BadValue);
- }
- if (stuff->contiguous != xTrue && stuff->contiguous != xFalse)
- {
- client->errorValue = stuff->contiguous;
- return (BadValue);
- }
- acpr.type = X_Reply;
- acpr.sequenceNumber = client->sequence;
- acpr.nPixels = npixels;
- length = (long)npixels * sizeof(Pixel);
- ppixels = (Pixel *)ALLOCATE_LOCAL(length);
- if(!ppixels)
- return(BadAlloc);
- if( (retval = AllocColorPlanes(client->index, pcmp, npixels,
- (int)stuff->red, (int)stuff->green, (int)stuff->blue,
- (Bool)stuff->contiguous, ppixels,
- &acpr.redMask, &acpr.greenMask, &acpr.blueMask)) )
- {
- DEALLOCATE_LOCAL(ppixels);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(retval);
- }
- acpr.length = length >> 2;
- WriteReplyToClient(client, sizeof(xAllocColorPlanesReply), &acpr);
- client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
- WriteSwappedDataToClient(client, length, ppixels);
- DEALLOCATE_LOCAL(ppixels);
- return (client->noClientException);
- }
- else
- {
- client->errorValue = stuff->cmap;
- return (BadColor);
- }
-}
-
-int
-ProcFreeColors (client)
- register ClientPtr client;
-{
- ColormapPtr pcmp;
- REQUEST(xFreeColorsReq);
-
- REQUEST_AT_LEAST_SIZE(xFreeColorsReq);
- pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
- RT_COLORMAP, SecurityWriteAccess);
- if (pcmp)
- {
- int count;
- int retval;
-
- if(pcmp->flags & AllAllocated)
- return(BadAccess);
- count = ((client->req_len << 2)- sizeof(xFreeColorsReq)) >> 2;
- retval = FreeColors(pcmp, client->index, count,
- (Pixel *)&stuff[1], (Pixel)stuff->planeMask);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- {
- client->errorValue = clientErrorValue;
- return(retval);
- }
-
- }
- else
- {
- client->errorValue = stuff->cmap;
- return (BadColor);
- }
-}
-
-int
-ProcStoreColors (client)
- register ClientPtr client;
-{
- ColormapPtr pcmp;
- REQUEST(xStoreColorsReq);
-
- REQUEST_AT_LEAST_SIZE(xStoreColorsReq);
- pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
- RT_COLORMAP, SecurityWriteAccess);
- if (pcmp)
- {
- int count;
- int retval;
-
- count = (client->req_len << 2) - sizeof(xStoreColorsReq);
- if (count % sizeof(xColorItem))
- return(BadLength);
- count /= sizeof(xColorItem);
- retval = StoreColors(pcmp, count, (xColorItem *)&stuff[1]);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- {
- client->errorValue = clientErrorValue;
- return(retval);
- }
- }
- else
- {
- client->errorValue = stuff->cmap;
- return (BadColor);
- }
-}
-
-int
-ProcStoreNamedColor (client)
- register ClientPtr client;
-{
- ColormapPtr pcmp;
- REQUEST(xStoreNamedColorReq);
-
- REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes);
- pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
- RT_COLORMAP, SecurityWriteAccess);
- if (pcmp)
- {
- xColorItem def;
- int retval;
-
- if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1],
- stuff->nbytes, &def.red, &def.green, &def.blue))
- {
- def.flags = stuff->flags;
- def.pixel = stuff->pixel;
- retval = StoreColors(pcmp, 1, &def);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(retval);
- }
- return (BadName);
- }
- else
- {
- client->errorValue = stuff->cmap;
- return (BadColor);
- }
-}
-
-int
-ProcQueryColors(client)
- register ClientPtr client;
-{
- ColormapPtr pcmp;
- REQUEST(xQueryColorsReq);
-
- REQUEST_AT_LEAST_SIZE(xQueryColorsReq);
- pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
- RT_COLORMAP, SecurityReadAccess);
- if (pcmp)
- {
- int count, retval;
- xrgb *prgbs;
- xQueryColorsReply qcr;
-
- count = ((client->req_len << 2) - sizeof(xQueryColorsReq)) >> 2;
- prgbs = (xrgb *)ALLOCATE_LOCAL(count * sizeof(xrgb));
- if(!prgbs && count)
- return(BadAlloc);
- if( (retval = QueryColors(pcmp, count, (Pixel *)&stuff[1], prgbs)) )
- {
- if (prgbs) DEALLOCATE_LOCAL(prgbs);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- {
- client->errorValue = clientErrorValue;
- return (retval);
- }
- }
- qcr.type = X_Reply;
- qcr.length = (count * sizeof(xrgb)) >> 2;
- qcr.sequenceNumber = client->sequence;
- qcr.nColors = count;
- WriteReplyToClient(client, sizeof(xQueryColorsReply), &qcr);
- if (count)
- {
- client->pSwapReplyFunc = (ReplySwapPtr) SQColorsExtend;
- WriteSwappedDataToClient(client, count * sizeof(xrgb), prgbs);
- }
- if (prgbs) DEALLOCATE_LOCAL(prgbs);
- return(client->noClientException);
-
- }
- else
- {
- client->errorValue = stuff->cmap;
- return (BadColor);
- }
-}
-
-int
-ProcLookupColor(client)
- register ClientPtr client;
-{
- ColormapPtr pcmp;
- REQUEST(xLookupColorReq);
-
- REQUEST_FIXED_SIZE(xLookupColorReq, stuff->nbytes);
- pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
- RT_COLORMAP, SecurityReadAccess);
- if (pcmp)
- {
- xLookupColorReply lcr;
-
- if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1], stuff->nbytes,
- &lcr.exactRed, &lcr.exactGreen, &lcr.exactBlue))
- {
- lcr.type = X_Reply;
- lcr.length = 0;
- lcr.sequenceNumber = client->sequence;
- lcr.screenRed = lcr.exactRed;
- lcr.screenGreen = lcr.exactGreen;
- lcr.screenBlue = lcr.exactBlue;
- (*pcmp->pScreen->ResolveColor)(&lcr.screenRed,
- &lcr.screenGreen,
- &lcr.screenBlue,
- pcmp->pVisual);
- WriteReplyToClient(client, sizeof(xLookupColorReply), &lcr);
- return(client->noClientException);
- }
- return (BadName);
- }
- else
- {
- client->errorValue = stuff->cmap;
- return (BadColor);
- }
-}
-
-int
-ProcCreateCursor( client)
- register ClientPtr client;
-{
- CursorPtr pCursor;
-
- register PixmapPtr src;
- register PixmapPtr msk;
- unsigned char * srcbits;
- unsigned char * mskbits;
- unsigned short width, height;
- long n;
- CursorMetricRec cm;
-
-
- REQUEST(xCreateCursorReq);
-
- REQUEST_SIZE_MATCH(xCreateCursorReq);
- LEGAL_NEW_RESOURCE(stuff->cid, client);
-
- src = (PixmapPtr)SecurityLookupIDByType(client, stuff->source,
- RT_PIXMAP, SecurityReadAccess);
- msk = (PixmapPtr)SecurityLookupIDByType(client, stuff->mask,
- RT_PIXMAP, SecurityReadAccess);
- if ( src == (PixmapPtr)NULL)
- {
- client->errorValue = stuff->source;
- return (BadPixmap);
- }
- if ( msk == (PixmapPtr)NULL)
- {
- if (stuff->mask != None)
- {
- client->errorValue = stuff->mask;
- return (BadPixmap);
- }
- }
- else if ( src->drawable.width != msk->drawable.width
- || src->drawable.height != msk->drawable.height
- || src->drawable.depth != 1
- || msk->drawable.depth != 1)
- return (BadMatch);
-
- width = src->drawable.width;
- height = src->drawable.height;
-
- if ( stuff->x > width
- || stuff->y > height )
- return (BadMatch);
-
- n = BitmapBytePad(width)*height;
- srcbits = (unsigned char *)xalloc(n);
- if (!srcbits)
- return (BadAlloc);
- mskbits = (unsigned char *)xalloc(n);
- if (!mskbits)
- {
- xfree(srcbits);
- return (BadAlloc);
- }
-
- /* zeroing the (pad) bits helps some ddx cursor handling */
- bzero((char *)srcbits, n);
- (* src->drawable.pScreen->GetImage)( (DrawablePtr)src, 0, 0, width, height,
- XYPixmap, 1, (pointer)srcbits);
- if ( msk == (PixmapPtr)NULL)
- {
- register unsigned char *bits = mskbits;
- while (--n >= 0)
- *bits++ = ~0;
- }
- else
- {
- /* zeroing the (pad) bits helps some ddx cursor handling */
- bzero((char *)mskbits, n);
- (* msk->drawable.pScreen->GetImage)( (DrawablePtr)msk, 0, 0, width,
- height, XYPixmap, 1, (pointer)mskbits);
- }
- cm.width = width;
- cm.height = height;
- cm.xhot = stuff->x;
- cm.yhot = stuff->y;
- pCursor = AllocCursor( srcbits, mskbits, &cm,
- stuff->foreRed, stuff->foreGreen, stuff->foreBlue,
- stuff->backRed, stuff->backGreen, stuff->backBlue);
-
- if (pCursor && AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor))
- return (client->noClientException);
- return BadAlloc;
-}
-
-int
-ProcCreateGlyphCursor( client)
- register ClientPtr client;
-{
- CursorPtr pCursor;
- int res;
-
- REQUEST(xCreateGlyphCursorReq);
-
- REQUEST_SIZE_MATCH(xCreateGlyphCursorReq);
- LEGAL_NEW_RESOURCE(stuff->cid, client);
-
- res = AllocGlyphCursor(stuff->source, stuff->sourceChar,
- stuff->mask, stuff->maskChar,
- stuff->foreRed, stuff->foreGreen, stuff->foreBlue,
- stuff->backRed, stuff->backGreen, stuff->backBlue,
- &pCursor, client);
- if (res != Success)
- return res;
- if (AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor))
- return client->noClientException;
- return BadAlloc;
-}
-
-
-int
-ProcFreeCursor(client)
- register ClientPtr client;
-{
- CursorPtr pCursor;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- pCursor = (CursorPtr)SecurityLookupIDByType(client, stuff->id,
- RT_CURSOR, SecurityDestroyAccess);
- if (pCursor)
- {
- FreeResource(stuff->id, RT_NONE);
- return (client->noClientException);
- }
- else
- {
- client->errorValue = stuff->id;
- return (BadCursor);
- }
-}
-
-int
-ProcQueryBestSize (client)
- register ClientPtr client;
-{
- xQueryBestSizeReply reply;
- register DrawablePtr pDraw;
- ScreenPtr pScreen;
- REQUEST(xQueryBestSizeReq);
-
- REQUEST_SIZE_MATCH(xQueryBestSizeReq);
- if ((stuff->class != CursorShape) &&
- (stuff->class != TileShape) &&
- (stuff->class != StippleShape))
- {
- client->errorValue = stuff->class;
- return(BadValue);
- }
- SECURITY_VERIFY_GEOMETRABLE (pDraw, stuff->drawable, client,
- SecurityReadAccess);
- if (stuff->class != CursorShape && pDraw->type == UNDRAWABLE_WINDOW)
- return (BadMatch);
- pScreen = pDraw->pScreen;
- (* pScreen->QueryBestSize)(stuff->class, &stuff->width,
- &stuff->height, pScreen);
- reply.type = X_Reply;
- reply.length = 0;
- reply.sequenceNumber = client->sequence;
- reply.width = stuff->width;
- reply.height = stuff->height;
- WriteReplyToClient(client, sizeof(xQueryBestSizeReply), &reply);
- return (client->noClientException);
-}
-
-
-int
-ProcSetScreenSaver (client)
- register ClientPtr client;
-{
- int blankingOption, exposureOption;
- REQUEST(xSetScreenSaverReq);
-
- REQUEST_SIZE_MATCH(xSetScreenSaverReq);
- blankingOption = stuff->preferBlank;
- if ((blankingOption != DontPreferBlanking) &&
- (blankingOption != PreferBlanking) &&
- (blankingOption != DefaultBlanking))
- {
- client->errorValue = blankingOption;
- return BadValue;
- }
- exposureOption = stuff->allowExpose;
- if ((exposureOption != DontAllowExposures) &&
- (exposureOption != AllowExposures) &&
- (exposureOption != DefaultExposures))
- {
- client->errorValue = exposureOption;
- return BadValue;
- }
- if (stuff->timeout < -1)
- {
- client->errorValue = stuff->timeout;
- return BadValue;
- }
- if (stuff->interval < -1)
- {
- client->errorValue = stuff->interval;
- return BadValue;
- }
-
- if (blankingOption == DefaultBlanking)
- ScreenSaverBlanking = defaultScreenSaverBlanking;
- else
- ScreenSaverBlanking = blankingOption;
- if (exposureOption == DefaultExposures)
- ScreenSaverAllowExposures = defaultScreenSaverAllowExposures;
- else
- ScreenSaverAllowExposures = exposureOption;
-
- if (stuff->timeout >= 0)
- ScreenSaverTime = stuff->timeout * MILLI_PER_SECOND;
- else
- ScreenSaverTime = defaultScreenSaverTime;
- if (stuff->interval >= 0)
- ScreenSaverInterval = stuff->interval * MILLI_PER_SECOND;
- else
- ScreenSaverInterval = defaultScreenSaverInterval;
- return (client->noClientException);
-}
-
-int
-ProcGetScreenSaver(client)
- register ClientPtr client;
-{
- xGetScreenSaverReply rep;
-
- REQUEST_SIZE_MATCH(xReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.timeout = ScreenSaverTime / MILLI_PER_SECOND;
- rep.interval = ScreenSaverInterval / MILLI_PER_SECOND;
- rep.preferBlanking = ScreenSaverBlanking;
- rep.allowExposures = ScreenSaverAllowExposures;
- WriteReplyToClient(client, sizeof(xGetScreenSaverReply), &rep);
- return (client->noClientException);
-}
-
-int
-ProcChangeHosts(client)
- register ClientPtr client;
-{
- REQUEST(xChangeHostsReq);
- int result;
-
- REQUEST_FIXED_SIZE(xChangeHostsReq, stuff->hostLength);
-
- if(stuff->mode == HostInsert)
- result = AddHost(client, (int)stuff->hostFamily,
- stuff->hostLength, (pointer)&stuff[1]);
- else if (stuff->mode == HostDelete)
- result = RemoveHost(client, (int)stuff->hostFamily,
- stuff->hostLength, (pointer)&stuff[1]);
- else
- {
- client->errorValue = stuff->mode;
- return BadValue;
- }
- if (!result)
- result = client->noClientException;
- return (result);
-}
-
-int
-ProcListHosts(client)
- register ClientPtr client;
-{
- xListHostsReply reply;
- int len, nHosts, result;
- pointer pdata;
-
- REQUEST_SIZE_MATCH(xListHostsReq);
-#ifdef XCSECURITY
- /* untrusted clients can't list hosts */
- if (client->trustLevel != XSecurityClientTrusted)
- {
- SecurityAudit("client %d attempted to list hosts\n", client->index);
- return BadAccess;
- }
-#endif
- result = GetHosts(&pdata, &nHosts, &len, &reply.enabled);
- if (result != Success)
- return(result);
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.nHosts = nHosts;
- reply.length = len >> 2;
- WriteReplyToClient(client, sizeof(xListHostsReply), &reply);
- if (nHosts)
- {
- client->pSwapReplyFunc = (ReplySwapPtr) SLHostsExtend;
- WriteSwappedDataToClient(client, len, pdata);
- }
- xfree(pdata);
- return (client->noClientException);
-}
-
-int
-ProcChangeAccessControl(client)
- register ClientPtr client;
-{
- int result;
- REQUEST(xSetAccessControlReq);
-
- REQUEST_SIZE_MATCH(xSetAccessControlReq);
- if ((stuff->mode != EnableAccess) && (stuff->mode != DisableAccess))
- {
- client->errorValue = stuff->mode;
- return BadValue;
- }
- result = ChangeAccessControl(client, stuff->mode == EnableAccess);
- if (!result)
- result = client->noClientException;
- return (result);
-}
-
-int
-ProcKillClient(client)
- register ClientPtr client;
-{
- REQUEST(xResourceReq);
- ClientPtr killclient;
-
- REQUEST_SIZE_MATCH(xResourceReq);
- if (stuff->id == AllTemporary)
- {
- CloseDownRetainedResources();
- return (client->noClientException);
- }
-
- if ((killclient = LookupClient(stuff->id, client)))
- {
- CloseDownClient(killclient);
- /* if an LBX proxy gets killed, isItTimeToYield will be set */
- if (isItTimeToYield || (client == killclient))
- {
- /* force yield and return Success, so that Dispatch()
- * doesn't try to touch client
- */
- isItTimeToYield = TRUE;
- return (Success);
- }
- return (client->noClientException);
- }
- else
- {
- client->errorValue = stuff->id;
- return (BadValue);
- }
-}
-
-int
-ProcSetFontPath(client)
- register ClientPtr client;
-{
- unsigned char *ptr;
- unsigned long nbytes, total;
- long nfonts;
- int n, result;
- int error;
- REQUEST(xSetFontPathReq);
-
- REQUEST_AT_LEAST_SIZE(xSetFontPathReq);
-
- nbytes = (client->req_len << 2) - sizeof(xSetFontPathReq);
- total = nbytes;
- ptr = (unsigned char *)&stuff[1];
- nfonts = stuff->nFonts;
- while (--nfonts >= 0)
- {
- if ((total == 0) || (total < (n = (*ptr + 1))))
- return(BadLength);
- total -= n;
- ptr += n;
- }
- if (total >= 4)
- return(BadLength);
- result = SetFontPath(client, stuff->nFonts, (unsigned char *)&stuff[1],
- &error);
- if (!result)
- {
- result = client->noClientException;
- client->errorValue = error;
- }
- return (result);
-}
-
-int
-ProcGetFontPath(client)
- register ClientPtr client;
-{
- xGetFontPathReply reply;
- int stringLens, numpaths;
- unsigned char *bufferStart;
-
- REQUEST_SIZE_MATCH(xReq);
- bufferStart = GetFontPath(&numpaths, &stringLens);
-
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = (stringLens + numpaths + 3) >> 2;
- reply.nPaths = numpaths;
-
- WriteReplyToClient(client, sizeof(xGetFontPathReply), &reply);
- if (stringLens || numpaths)
- (void)WriteToClient(client, stringLens + numpaths, (char *)bufferStart);
- return(client->noClientException);
-}
-
-int
-ProcChangeCloseDownMode(client)
- register ClientPtr client;
-{
- REQUEST(xSetCloseDownModeReq);
-
- REQUEST_SIZE_MATCH(xSetCloseDownModeReq);
- if ((stuff->mode == AllTemporary) ||
- (stuff->mode == RetainPermanent) ||
- (stuff->mode == RetainTemporary))
- {
- client->closeDownMode = stuff->mode;
- return (client->noClientException);
- }
- else
- {
- client->errorValue = stuff->mode;
- return (BadValue);
- }
-}
-
-int ProcForceScreenSaver(client)
- register ClientPtr client;
-{
- REQUEST(xForceScreenSaverReq);
-
- REQUEST_SIZE_MATCH(xForceScreenSaverReq);
-
- if ((stuff->mode != ScreenSaverReset) &&
- (stuff->mode != ScreenSaverActive))
- {
- client->errorValue = stuff->mode;
- return BadValue;
- }
- SaveScreens(SCREEN_SAVER_FORCER, (int)stuff->mode);
- return client->noClientException;
-}
-
-int ProcNoOperation(client)
- register ClientPtr client;
-{
- REQUEST_AT_LEAST_SIZE(xReq);
-
- /* noop -- don't do anything */
- return(client->noClientException);
-}
-
-void
-InitProcVectors()
-{
- int i;
- for (i = 0; i<256; i++)
- {
- if(!ProcVector[i])
- {
- ProcVector[i] = SwappedProcVector[i] = ProcBadRequest;
- ReplySwapVector[i] = ReplyNotSwappd;
- }
-#ifdef K5AUTH
- if (!k5_Vector[i])
- {
- k5_Vector[i] = k5_bad;
- }
-#endif
- }
- for(i = LASTEvent; i < 128; i++)
- {
- EventSwapVector[i] = NotImplemented;
- }
-
-}
-
-/**********************
- * CloseDownClient
- *
- * Client can either mark his resources destroy or retain. If retained and
- * then killed again, the client is really destroyed.
- *********************/
-
-Bool terminateAtReset = FALSE;
-
-void
-CloseDownClient(client)
- register ClientPtr client;
-{
- Bool really_close_down = client->clientGone ||
- client->closeDownMode == DestroyAll;
-
- if (!client->clientGone)
- {
- /* ungrab server if grabbing client dies */
- if (grabState != GrabNone && grabClient == client)
- {
- UngrabServer(client);
- }
- BITCLEAR(grabWaiters, client->index);
- DeleteClientFromAnySelections(client);
- ReleaseActiveGrabs(client);
- DeleteClientFontStuff(client);
- if (!really_close_down)
- {
- /* This frees resources that should never be retained
- * no matter what the close down mode is. Actually we
- * could do this unconditionally, but it's probably
- * better not to traverse all the client's resources
- * twice (once here, once a few lines down in
- * FreeClientResources) in the common case of
- * really_close_down == TRUE.
- */
- FreeClientNeverRetainResources(client);
- client->clientState = ClientStateRetained;
- if (ClientStateCallback)
- {
- NewClientInfoRec clientinfo;
-
- clientinfo.client = client;
- clientinfo.prefix = (xConnSetupPrefix *)NULL;
- clientinfo.setup = (xConnSetup *) NULL;
- CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
- }
- }
- client->clientGone = TRUE; /* so events aren't sent to client */
- if (ClientIsAsleep(client))
- ClientSignal (client);
- ProcessWorkQueueZombies();
-#ifdef LBX
- ProcessQTagZombies();
-#endif
- CloseDownConnection(client);
-
- /* If the client made it to the Running stage, nClients has
- * been incremented on its behalf, so we need to decrement it
- * now. If it hasn't gotten to Running, nClients has *not*
- * been incremented, so *don't* decrement it.
- */
- if (client->clientState != ClientStateInitial &&
- client->clientState != ClientStateAuthenticating )
- {
- --nClients;
- }
- }
-
- if (really_close_down)
- {
- if (client->clientState == ClientStateRunning && nClients == 0)
- {
- if (terminateAtReset)
- dispatchException |= DE_TERMINATE;
- else
- dispatchException |= DE_RESET;
- }
- client->clientState = ClientStateGone;
- if (ClientStateCallback)
- {
- NewClientInfoRec clientinfo;
-
- clientinfo.client = client;
- clientinfo.prefix = (xConnSetupPrefix *)NULL;
- clientinfo.setup = (xConnSetup *) NULL;
- CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
- }
- FreeClientResources(client);
- if (client->index < nextFreeClientID)
- nextFreeClientID = client->index;
- clients[client->index] = NullClient;
- xfree(client);
-
- while (!clients[currentMaxClients-1])
- currentMaxClients--;
- }
-}
-
-static void
-KillAllClients()
-{
- int i;
- for (i=1; i<currentMaxClients; i++)
- if (clients[i])
- CloseDownClient(clients[i]);
-}
-
-/*********************
- * CloseDownRetainedResources
- *
- * Find all clients that are gone and have terminated in RetainTemporary
- * and destroy their resources.
- *********************/
-
-void
-CloseDownRetainedResources()
-{
- register int i;
- register ClientPtr client;
-
- for (i=1; i<currentMaxClients; i++)
- {
- client = clients[i];
- if (client && (client->closeDownMode == RetainTemporary)
- && (client->clientGone))
- CloseDownClient(client);
- }
-}
-
-void InitClient(client, i, ospriv)
- ClientPtr client;
- int i;
- pointer ospriv;
-{
- client->index = i;
- client->sequence = 0;
- client->clientAsMask = ((Mask)i) << CLIENTOFFSET;
- client->clientGone = FALSE;
- if (i)
- {
- client->closeDownMode = DestroyAll;
- client->lastDrawable = (DrawablePtr)WindowTable[0];
- client->lastDrawableID = WindowTable[0]->drawable.id;
- }
- else
- {
- client->closeDownMode = RetainPermanent;
- client->lastDrawable = (DrawablePtr)NULL;
- client->lastDrawableID = INVALID;
- }
- client->lastGC = (GCPtr) NULL;
- client->lastGCID = INVALID;
- client->numSaved = 0;
- client->saveSet = (pointer *)NULL;
- client->noClientException = Success;
-#ifdef DEBUG
- client->requestLogIndex = 0;
-#endif
- client->requestVector = InitialVector;
- client->osPrivate = ospriv;
- client->swapped = FALSE;
- client->big_requests = FALSE;
- client->priority = 0;
- client->clientState = ClientStateInitial;
-#ifdef XKB
- if (!noXkbExtension) {
- client->xkbClientFlags = 0;
- client->mapNotifyMask = 0;
- QueryMinMaxKeyCodes(&client->minKC,&client->maxKC);
- }
-#endif
- client->replyBytesRemaining = 0;
-#ifdef LBX
- client->readRequest = StandardReadRequestFromClient;
-#endif
-#ifdef XCSECURITY
- client->trustLevel = XSecurityClientTrusted;
- client->CheckAccess = NULL;
- client->authId = 0;
-#endif
-#ifdef XAPPGROUP
- client->appgroup = NULL;
-#endif
- client->fontResFunc = NULL;
-}
-
-extern int clientPrivateLen;
-extern unsigned *clientPrivateSizes;
-extern unsigned totalClientSize;
-
-int
-InitClientPrivates(client)
- ClientPtr client;
-{
- register char *ptr;
- DevUnion *ppriv;
- register unsigned *sizes;
- register unsigned size;
- register int i;
-
- if (totalClientSize == sizeof(ClientRec))
- ppriv = (DevUnion *)NULL;
- else if (client->index)
- ppriv = (DevUnion *)(client + 1);
- else
- {
- ppriv = (DevUnion *)xalloc(totalClientSize - sizeof(ClientRec));
- if (!ppriv)
- return 0;
- }
- client->devPrivates = ppriv;
- sizes = clientPrivateSizes;
- ptr = (char *)(ppriv + clientPrivateLen);
- for (i = clientPrivateLen; --i >= 0; ppriv++, sizes++)
- {
- if ( (size = *sizes) )
- {
- ppriv->ptr = (pointer)ptr;
- ptr += size;
- }
- else
- ppriv->ptr = (pointer)NULL;
- }
- return 1;
-}
-
-/************************
- * int NextAvailableClient(ospriv)
- *
- * OS dependent portion can't assign client id's because of CloseDownModes.
- * Returns NULL if there are no free clients.
- *************************/
-
-ClientPtr
-NextAvailableClient(ospriv)
- pointer ospriv;
-{
- register int i;
- register ClientPtr client;
- xReq data;
-
- i = nextFreeClientID;
- if (i == MAXCLIENTS)
- return (ClientPtr)NULL;
- clients[i] = client = (ClientPtr)xalloc(totalClientSize);
- if (!client)
- return (ClientPtr)NULL;
- InitClient(client, i, ospriv);
- InitClientPrivates(client);
- if (!InitClientResources(client))
- {
- xfree(client);
- return (ClientPtr)NULL;
- }
- data.reqType = 1;
- data.length = (sz_xReq + sz_xConnClientPrefix) >> 2;
- if (!InsertFakeRequest(client, (char *)&data, sz_xReq))
- {
- FreeClientResources(client);
- xfree(client);
- return (ClientPtr)NULL;
- }
- if (i == currentMaxClients)
- currentMaxClients++;
- while ((nextFreeClientID < MAXCLIENTS) && clients[nextFreeClientID])
- nextFreeClientID++;
- if (ClientStateCallback)
- {
- NewClientInfoRec clientinfo;
-
- clientinfo.client = client;
- clientinfo.prefix = (xConnSetupPrefix *)NULL;
- clientinfo.setup = (xConnSetup *) NULL;
- CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
- }
- return(client);
-}
-
-int
-ProcInitialConnection(client)
- register ClientPtr client;
-{
- REQUEST(xReq);
- register xConnClientPrefix *prefix;
- int whichbyte = 1;
-
- prefix = (xConnClientPrefix *)((char *)stuff + sz_xReq);
- if ((prefix->byteOrder != 'l') && (prefix->byteOrder != 'B'))
- return (client->noClientException = -1);
- if (((*(char *) &whichbyte) && (prefix->byteOrder == 'B')) ||
- (!(*(char *) &whichbyte) && (prefix->byteOrder == 'l')))
- {
- client->swapped = TRUE;
- SwapConnClientPrefix(prefix);
- }
- stuff->reqType = 2;
- stuff->length += ((prefix->nbytesAuthProto + (unsigned)3) >> 2) +
- ((prefix->nbytesAuthString + (unsigned)3) >> 2);
- if (client->swapped)
- {
- swaps(&stuff->length, whichbyte);
- }
- ResetCurrentRequest(client);
- return (client->noClientException);
-}
-
-#ifdef LBX
-void
-IncrementClientCount()
-{
- nClients++;
-}
-#endif
-
-int
-SendConnSetup(client, reason)
- register ClientPtr client;
- char *reason;
-{
- register xWindowRoot *root;
- register int i;
- int numScreens;
- char* lConnectionInfo;
- xConnSetupPrefix* lconnSetupPrefix;
-
- if (reason)
- {
- xConnSetupPrefix csp;
- char pad[3];
-
- csp.success = xFalse;
- csp.lengthReason = strlen(reason);
- csp.length = (csp.lengthReason + (unsigned)3) >> 2;
- csp.majorVersion = X_PROTOCOL;
- csp.minorVersion = X_PROTOCOL_REVISION;
- if (client->swapped)
- WriteSConnSetupPrefix(client, &csp);
- else
- (void)WriteToClient(client, sz_xConnSetupPrefix, (char *) &csp);
- (void)WriteToClient(client, (int)csp.lengthReason, reason);
- return (client->noClientException = -1);
- }
-
- numScreens = screenInfo.numScreens;
- lConnectionInfo = ConnectionInfo;
- lconnSetupPrefix = &connSetupPrefix;
-
- /* We're about to start speaking X protocol back to the client by
- * sending the connection setup info. This means the authorization
- * step is complete, and we can count the client as an
- * authorized one.
- */
- nClients++;
-
- client->requestVector = client->swapped ? SwappedProcVector : ProcVector;
- client->sequence = 0;
-#ifdef XAPPGROUP
- XagConnectionInfo (client, &lconnSetupPrefix, &lConnectionInfo, &numScreens);
-#endif
- ((xConnSetup *)lConnectionInfo)->ridBase = client->clientAsMask;
- ((xConnSetup *)lConnectionInfo)->ridMask = RESOURCE_ID_MASK;
- /* fill in the "currentInputMask" */
- root = (xWindowRoot *)(lConnectionInfo + connBlockScreenStart);
- for (i=0; i<numScreens; i++)
- {
- register unsigned int j;
- register xDepth *pDepth;
-
- root->currentInputMask = WindowTable[i]->eventMask |
- wOtherEventMasks (WindowTable[i]);
- pDepth = (xDepth *)(root + 1);
- for (j = 0; j < root->nDepths; j++)
- {
- pDepth = (xDepth *)(((char *)(pDepth + 1)) +
- pDepth->nVisuals * sizeof(xVisualType));
- }
- root = (xWindowRoot *)pDepth;
- }
-
- if (client->swapped)
- {
- WriteSConnSetupPrefix(client, lconnSetupPrefix);
- WriteSConnectionInfo(client,
- (unsigned long)(lconnSetupPrefix->length << 2),
- lConnectionInfo);
- }
- else
- {
- (void)WriteToClient(client, sizeof(xConnSetupPrefix),
- (char *) lconnSetupPrefix);
- (void)WriteToClient(client, (int)(lconnSetupPrefix->length << 2),
- lConnectionInfo);
- }
- client->clientState = ClientStateRunning;
- if (ClientStateCallback)
- {
- NewClientInfoRec clientinfo;
-
- clientinfo.client = client;
- clientinfo.prefix = lconnSetupPrefix;
- clientinfo.setup = (xConnSetup *)lConnectionInfo;
- CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
- }
- return (client->noClientException);
-}
-
-int
-ProcEstablishConnection(client)
- register ClientPtr client;
-{
- char *reason, *auth_proto, *auth_string;
- register xConnClientPrefix *prefix;
- REQUEST(xReq);
-
- prefix = (xConnClientPrefix *)((char *)stuff + sz_xReq);
- auth_proto = (char *)prefix + sz_xConnClientPrefix;
- auth_string = auth_proto + ((prefix->nbytesAuthProto + 3) & ~3);
- if ((prefix->majorVersion != X_PROTOCOL) ||
- (prefix->minorVersion != X_PROTOCOL_REVISION))
- reason = "Protocol version mismatch";
- else
- reason = ClientAuthorized(client,
- (unsigned short)prefix->nbytesAuthProto,
- auth_proto,
- (unsigned short)prefix->nbytesAuthString,
- auth_string);
- /*
- * If Kerberos is being used for this client, the clientState
- * will be set to ClientStateAuthenticating at this point.
- * More messages need to be exchanged among the X server, Kerberos
- * server, and client to figure out if everyone is authorized.
- * So we don't want to send the connection setup info yet, since
- * the auth step isn't really done.
- */
- if (client->clientState == ClientStateCheckingSecurity)
- client->clientState = ClientStateCheckedSecurity;
- else if (client->clientState != ClientStateAuthenticating)
- return(SendConnSetup(client, reason));
- return(client->noClientException);
-}
-
-void
-SendErrorToClient(client, majorCode, minorCode, resId, errorCode)
- ClientPtr client;
- unsigned int majorCode;
- unsigned int minorCode;
- XID resId;
- int errorCode;
-{
- xError rep;
-
- rep.type = X_Error;
- rep.sequenceNumber = client->sequence;
- rep.errorCode = errorCode;
- rep.majorCode = majorCode;
- rep.minorCode = minorCode;
- rep.resourceID = resId;
-
- WriteEventsToClient (client, 1, (xEvent *)&rep);
-}
-
-void
-DeleteWindowFromAnySelections(pWin)
- WindowPtr pWin;
-{
- register int i;
-
- for (i = 0; i< NumCurrentSelections; i++)
- if (CurrentSelections[i].pWin == pWin)
- {
- CurrentSelections[i].pWin = (WindowPtr)NULL;
- CurrentSelections[i].window = None;
- CurrentSelections[i].client = NullClient;
- }
-}
-
-static void
-DeleteClientFromAnySelections(client)
- ClientPtr client;
-{
- register int i;
-
- for (i = 0; i< NumCurrentSelections; i++)
- if (CurrentSelections[i].client == client)
- {
- CurrentSelections[i].pWin = (WindowPtr)NULL;
- CurrentSelections[i].window = None;
- CurrentSelections[i].client = NullClient;
- }
-}
-
-void
-MarkClientException(client)
- ClientPtr client;
-{
- client->noClientException = -1;
-}
projects / rdpsrv / blobdiff