+/* $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