diff options
Diffstat (limited to 'xorg-server/dix/dispatch.c')
| -rw-r--r-- | xorg-server/dix/dispatch.c | 7812 |
1 files changed, 3911 insertions, 3901 deletions
diff --git a/xorg-server/dix/dispatch.c b/xorg-server/dix/dispatch.c index 2474c2f3b..601b14a71 100644 --- a/xorg-server/dix/dispatch.c +++ b/xorg-server/dix/dispatch.c @@ -1,3901 +1,3911 @@ -/************************************************************
-
-Copyright 1987, 1989, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP 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 Open Group 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 Open Group.
-
-
-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.
-
-********************************************************/
-
-/* The panoramix components contained the following notice */
-/*****************************************************************
-
-Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
-
-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.
-
-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
-DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
-BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL 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 Digital Equipment Corporation
-shall not be used in advertising or otherwise to promote the sale, use or other
-dealings in this Software without prior written authorization from Digital
-Equipment Corporation.
-
-******************************************************************/
-
-/* XSERVER_DTRACE additions:
- * Copyright (c) 2005-2006, Oracle and/or its affiliates. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#include <version-config.h>
-#endif
-
-#ifdef PANORAMIX_DEBUG
-#include <stdio.h>
-int ProcInitialConnection();
-#endif
-
-#include "windowstr.h"
-#include <X11/fonts/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 "privates.h"
-#include "xace.h"
-#include "inputstr.h"
-#include "xkbsrv.h"
-#include "site.h"
-
-#ifdef XSERVER_DTRACE
-#include "registry.h"
-#include <sys/types.h>
-typedef const char *string;
-#include "Xserver-dtrace.h"
-#endif
-
-#define mskcnt ((MAXCLIENTS + 31) / 32)
-#define BITMASK(i) (1U << ((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))
-
-xConnSetupPrefix connSetupPrefix;
-
-PaddingInfo PixmapWidthPaddingInfo[33];
-
-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];
-int connBlockScreenStart;
-
-static void KillAllClients(void);
-
-static int nextFreeClientID; /* always MIN free client ID */
-
-static int nClients; /* number of authorized clients */
-
-CallbackListPtr ClientStateCallback;
-
-/* dispatchException & isItTimeToYield must be declared volatile since they
- * are modified by signal handlers - otherwise optimizer may assume it doesn't
- * need to actually check value in memory when used and may miss changes from
- * signal handlers.
- */
-volatile char dispatchException = 0;
-volatile char isItTimeToYield;
-
-#define SAME_SCREENS(a, b) (\
- (a.pScreen == b.pScreen))
-
-void
-SetInputCheck(HWEventQueuePtr c0, HWEventQueuePtr c1)
-{
- checkForInput[0] = c0;
- checkForInput[1] = c1;
-}
-
-void
-UpdateCurrentTime(void)
-{
- 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(void)
-{
- TimeStamp systime;
-
- systime.months = currentTime.months;
- systime.milliseconds = GetTimeInMillis();
- if (systime.milliseconds < currentTime.milliseconds)
- systime.months++;
- if (*checkForInput[0] == *checkForInput[1])
- currentTime = systime;
-}
-
-
-#undef SMART_DEBUG
-
-#define SMART_SCHEDULE_DEFAULT_INTERVAL 20 /* ms */
-#define SMART_SCHEDULE_MAX_SLICE 200 /* ms */
-
-Bool SmartScheduleDisable = FALSE;
-long SmartScheduleSlice = SMART_SCHEDULE_DEFAULT_INTERVAL;
-long SmartScheduleInterval = SMART_SCHEDULE_DEFAULT_INTERVAL;
-long SmartScheduleMaxSlice = SMART_SCHEDULE_MAX_SLICE;
-long SmartScheduleTime;
-int SmartScheduleLatencyLimited = 0;
-static ClientPtr SmartLastClient;
-static int SmartLastIndex[SMART_MAX_PRIORITY-SMART_MIN_PRIORITY+1];
-
-#ifdef SMART_DEBUG
-long SmartLastPrint;
-#endif
-
-void Dispatch(void);
-
-static int
-SmartScheduleClient (int *clientReady, int nready)
-{
- ClientPtr pClient;
- int i;
- int client;
- int bestPrio, best = 0;
- int bestRobin, robin;
- long now = SmartScheduleTime;
- long idle;
-
- bestPrio = -0x7fffffff;
- bestRobin = 0;
- idle = 2 * SmartScheduleSlice;
- for (i = 0; i < nready; i++)
- {
- client = clientReady[i];
- pClient = clients[client];
- /* Praise clients which are idle */
- if ((now - pClient->smart_check_tick) >= idle)
- {
- if (pClient->smart_priority < 0)
- pClient->smart_priority++;
- }
- pClient->smart_check_tick = now;
-
- /* check priority to select best client */
- robin = (pClient->index - SmartLastIndex[pClient->smart_priority-SMART_MIN_PRIORITY]) & 0xff;
- if (pClient->smart_priority > bestPrio ||
- (pClient->smart_priority == bestPrio && robin > bestRobin))
- {
- bestPrio = pClient->smart_priority;
- bestRobin = robin;
- best = client;
- }
-#ifdef SMART_DEBUG
- if ((now - SmartLastPrint) >= 5000)
- fprintf (stderr, " %2d: %3d", client, pClient->smart_priority);
-#endif
- }
-#ifdef SMART_DEBUG
- if ((now - SmartLastPrint) >= 5000)
- {
- fprintf (stderr, " use %2d\n", best);
- SmartLastPrint = now;
- }
-#endif
- pClient = clients[best];
- SmartLastIndex[bestPrio-SMART_MIN_PRIORITY] = pClient->index;
- /*
- * Set current client pointer
- */
- if (SmartLastClient != pClient)
- {
- pClient->smart_start_tick = now;
- SmartLastClient = pClient;
- }
- /*
- * Adjust slice
- */
- if (nready == 1 && SmartScheduleLatencyLimited == 0)
- {
- /*
- * If it's been a long time since another client
- * has run, bump the slice up to get maximal
- * performance from a single client
- */
- if ((now - pClient->smart_start_tick) > 1000 &&
- SmartScheduleSlice < SmartScheduleMaxSlice)
- {
- SmartScheduleSlice += SmartScheduleInterval;
- }
- }
- else
- {
- SmartScheduleSlice = SmartScheduleInterval;
- }
- return best;
-}
-
-void
-EnableLimitedSchedulingLatency(void)
-{
- ++SmartScheduleLatencyLimited;
- SmartScheduleSlice = SmartScheduleInterval;
-}
-
-void
-DisableLimitedSchedulingLatency(void)
-{
- --SmartScheduleLatencyLimited;
-
- /* protect against bugs */
- if (SmartScheduleLatencyLimited < 0)
- SmartScheduleLatencyLimited = 0;
-}
-
-#define MAJOROP ((xReq *)client->requestBuffer)->reqType
-
-void
-Dispatch(void)
-{
- int *clientReady; /* array of request ready clients */
- int result;
- ClientPtr client;
- int nready;
- HWEventQueuePtr* icheck = checkForInput;
- long start_tick;
-
- nextFreeClientID = 1;
- nClients = 0;
-
- clientReady = malloc(sizeof(int) * MaxClients);
- if (!clientReady)
- return;
-
- SmartScheduleSlice = SmartScheduleInterval;
- while (!dispatchException)
- {
- if (*icheck[0] != *icheck[1])
- {
- ProcessInputEvents();
- FlushIfCriticalOutputPending();
- }
-
- nready = WaitForSomething(clientReady);
-
- if (nready && !SmartScheduleDisable)
- {
- clientReady[0] = SmartScheduleClient (clientReady, nready);
- nready = 1;
- }
- /*****************
- * 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;
-
- start_tick = SmartScheduleTime;
- while (!isItTimeToYield)
- {
- if (*icheck[0] != *icheck[1])
- ProcessInputEvents();
-
- FlushIfCriticalOutputPending();
- if (!SmartScheduleDisable &&
- (SmartScheduleTime - start_tick) >= SmartScheduleSlice)
- {
- /* Penalize clients which consume ticks */
- if (client->smart_priority > SMART_MIN_PRIORITY)
- client->smart_priority--;
- break;
- }
- /* now, finally, deal with client requests */
-
- result = ReadRequestFromClient(client);
- if (result <= 0)
- {
- if (result < 0)
- CloseDownClient(client);
- break;
- }
-
- client->sequence++;
-#ifdef XSERVER_DTRACE
- XSERVER_REQUEST_START(LookupMajorName(MAJOROP), MAJOROP,
- ((xReq *)client->requestBuffer)->length,
- client->index, client->requestBuffer);
-#endif
- if (result > (maxBigRequestSize << 2))
- result = BadLength;
- else {
- result = XaceHookDispatch(client, MAJOROP);
- if (result == Success)
- result = (* client->requestVector[MAJOROP])(client);
- XaceHookAuditEnd(client, result);
- }
-#ifdef XSERVER_DTRACE
- XSERVER_REQUEST_DONE(LookupMajorName(MAJOROP), MAJOROP,
- client->sequence, client->index, result);
-#endif
-
- if (client->noClientException != Success)
- {
- CloseDownClient(client);
- break;
- }
- else if (result != Success)
- {
- SendErrorToClient(client, MAJOROP,
- MinorOpcodeOfRequest(client),
- client->errorValue, result);
- break;
- }
- }
- FlushAllOutput();
- client = clients[clientReady[nready]];
- if (client)
- client->smart_stop_tick = SmartScheduleTime;
- }
- dispatchException &= ~DE_PRIORITYCHANGE;
- }
-#if defined(DDXBEFORERESET)
- ddxBeforeReset ();
-#endif
- KillAllClients();
- free(clientReady);
- dispatchException &= ~DE_RESET;
- SmartScheduleLatencyLimited = 0;
-}
-
-#undef MAJOROP
-
-static int VendorRelease = VENDOR_RELEASE;
-static char *VendorString = VENDOR_NAME;
-
-static const int padlength[4] = {0, 3, 2, 1};
-
-void
-SetVendorRelease(int release)
-{
- VendorRelease = release;
-}
-
-void
-SetVendorString(char *string)
-{
- VendorString = string;
-}
-
-Bool
-CreateConnectionBlock(void)
-{
- xConnSetup setup;
- xWindowRoot root;
- xDepth depth;
- xVisualType visual;
- xPixmapFormat format;
- unsigned long vid;
- int i, j, k,
- lenofblock,
- sizesofar = 0;
- char *pBuf;
-
-
- memset(&setup, 0, sizeof(xConnSetup));
- /* Leave off the ridBase and ridMask, these must be sent with
- connection */
-
- setup.release = VendorRelease;
- /*
- * per-server image and bitmap parameters are defined in Xmd.h
- */
- setup.imageByteOrder = screenInfo.imageByteOrder;
-
- setup.bitmapScanlineUnit = screenInfo.bitmapScanlineUnit;
- setup.bitmapScanlinePad = screenInfo.bitmapScanlinePad;
-
- setup.bitmapBitOrder = screenInfo.bitmapBitOrder;
- setup.motionBufferSize = NumMotionEvents();
- setup.numRoots = screenInfo.numScreens;
- setup.nbytesVendor = strlen(VendorString);
- setup.numFormats = screenInfo.numPixmapFormats;
- setup.maxRequestSize = MAX_REQUEST_SIZE;
- QueryMinMaxKeyCodes(&setup.minKeyCode, &setup.maxKeyCode);
-
- lenofblock = sizeof(xConnSetup) +
- pad_to_int32(setup.nbytesVendor) +
- (setup.numFormats * sizeof(xPixmapFormat)) +
- (setup.numRoots * sizeof(xWindowRoot));
- ConnectionInfo = malloc(lenofblock);
- if (!ConnectionInfo)
- return FALSE;
-
- memmove(ConnectionInfo, (char *)&setup, sizeof(xConnSetup));
- sizesofar = sizeof(xConnSetup);
- pBuf = ConnectionInfo + sizeof(xConnSetup);
-
- memmove(pBuf, VendorString, (int)setup.nbytesVendor);
- sizesofar += setup.nbytesVendor;
- pBuf += setup.nbytesVendor;
- i = padlength[setup.nbytesVendor & 3];
- sizesofar += i;
- while (--i >= 0)
- *pBuf++ = 0;
-
- memset(&format, 0, sizeof(xPixmapFormat));
- for (i=0; i<screenInfo.numPixmapFormats; i++)
- {
- format.depth = screenInfo.formats[i].depth;
- format.bitsPerPixel = screenInfo.formats[i].bitsPerPixel;
- format.scanLinePad = screenInfo.formats[i].scanlinePad;
- memmove(pBuf, (char *)&format, sizeof(xPixmapFormat));
- pBuf += sizeof(xPixmapFormat);
- sizesofar += sizeof(xPixmapFormat);
- }
-
- connBlockScreenStart = sizesofar;
- memset(&depth, 0, sizeof(xDepth));
- memset(&visual, 0, sizeof(xVisualType));
- for (i=0; i<screenInfo.numScreens; i++)
- {
- ScreenPtr pScreen;
- DepthPtr pDepth;
- VisualPtr pVisual;
-
- pScreen = screenInfo.screens[i];
- root.windowId = pScreen->root->drawable.id;
- root.defaultColormap = pScreen->defColormap;
- root.whitePixel = pScreen->whitePixel;
- root.blackPixel = pScreen->blackPixel;
- root.currentInputMask = 0; /* filled in when sent */
- root.pixWidth = pScreen->width;
- root.pixHeight = pScreen->height;
- root.mmWidth = pScreen->mmWidth;
- root.mmHeight = pScreen->mmHeight;
- root.minInstalledMaps = pScreen->minInstalledCmaps;
- root.maxInstalledMaps = pScreen->maxInstalledCmaps;
- root.rootVisualID = pScreen->rootVisual;
- root.backingStore = pScreen->backingStoreSupport;
- root.saveUnders = FALSE;
- root.rootDepth = pScreen->rootDepth;
- root.nDepths = pScreen->numDepths;
- memmove(pBuf, (char *)&root, sizeof(xWindowRoot));
- sizesofar += sizeof(xWindowRoot);
- pBuf += sizeof(xWindowRoot);
-
- pDepth = pScreen->allowedDepths;
- for(j = 0; j < pScreen->numDepths; j++, pDepth++)
- {
- lenofblock += sizeof(xDepth) +
- (pDepth->numVids * sizeof(xVisualType));
- pBuf = (char *)realloc(ConnectionInfo, lenofblock);
- if (!pBuf)
- {
- free(ConnectionInfo);
- return FALSE;
- }
- ConnectionInfo = pBuf;
- pBuf += sizesofar;
- depth.depth = pDepth->depth;
- depth.nVisuals = pDepth->numVids;
- memmove(pBuf, (char *)&depth, sizeof(xDepth));
- pBuf += sizeof(xDepth);
- sizesofar += sizeof(xDepth);
- for(k = 0; k < pDepth->numVids; k++)
- {
- vid = pDepth->vids[k];
- for (pVisual = pScreen->visuals;
- pVisual->vid != vid;
- pVisual++)
- ;
- visual.visualID = vid;
- visual.class = pVisual->class;
- visual.bitsPerRGB = pVisual->bitsPerRGBValue;
- visual.colormapEntries = pVisual->ColormapEntries;
- visual.redMask = pVisual->redMask;
- visual.greenMask = pVisual->greenMask;
- visual.blueMask = pVisual->blueMask;
- memmove(pBuf, (char *)&visual, sizeof(xVisualType));
- pBuf += sizeof(xVisualType);
- sizesofar += sizeof(xVisualType);
- }
- }
- }
- connSetupPrefix.success = xTrue;
- connSetupPrefix.length = lenofblock/4;
- connSetupPrefix.majorVersion = X_PROTOCOL;
- connSetupPrefix.minorVersion = X_PROTOCOL_REVISION;
- return TRUE;
-}
-
-
-int
-ProcBadRequest(ClientPtr client)
-{
- return BadRequest;
-}
-
-int
-ProcCreateWindow(ClientPtr client)
-{
- WindowPtr pParent, pWin;
- REQUEST(xCreateWindowReq);
- int len, rc;
-
- REQUEST_AT_LEAST_SIZE(xCreateWindowReq);
-
- LEGAL_NEW_RESOURCE(stuff->wid, client);
- rc = dixLookupWindow(&pParent, stuff->parent, client, DixAddAccess);
- if (rc != Success)
- return rc;
- len = client->req_len - bytes_to_int32(sizeof(xCreateWindowReq));
- 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, &rc);
- 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;
- }
- return rc;
-}
-
-int
-ProcChangeWindowAttributes(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xChangeWindowAttributesReq);
- int len, rc;
- Mask access_mode = 0;
-
- REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq);
- access_mode |= (stuff->valueMask & CWEventMask) ? DixReceiveAccess : 0;
- access_mode |= (stuff->valueMask & ~CWEventMask) ? DixSetAttrAccess : 0;
- rc = dixLookupWindow(&pWin, stuff->window, client, access_mode);
- if (rc != Success)
- return rc;
- len = client->req_len - bytes_to_int32(sizeof(xChangeWindowAttributesReq));
- if (len != Ones(stuff->valueMask))
- return BadLength;
- return ChangeWindowAttributes(pWin,
- stuff->valueMask,
- (XID *) &stuff[1],
- client);
-}
-
-int
-ProcGetWindowAttributes(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xResourceReq);
- xGetWindowAttributesReply wa;
- int rc;
-
- REQUEST_SIZE_MATCH(xResourceReq);
- rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
- memset(&wa, 0, sizeof(xGetWindowAttributesReply));
- GetWindowAttributes(pWin, client, &wa);
- WriteReplyToClient(client, sizeof(xGetWindowAttributesReply), &wa);
- return Success;
-}
-
-int
-ProcDestroyWindow(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xResourceReq);
- int rc;
-
- REQUEST_SIZE_MATCH(xResourceReq);
- rc = dixLookupWindow(&pWin, stuff->id, client, DixDestroyAccess);
- if (rc != Success)
- return rc;
- if (pWin->parent) {
- rc = dixLookupWindow(&pWin, pWin->parent->drawable.id, client,
- DixRemoveAccess);
- if (rc != Success)
- return rc;
- FreeResource(stuff->id, RT_NONE);
- }
- return Success;
-}
-
-int
-ProcDestroySubwindows(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xResourceReq);
- int rc;
-
- REQUEST_SIZE_MATCH(xResourceReq);
- rc = dixLookupWindow(&pWin, stuff->id, client, DixRemoveAccess);
- if (rc != Success)
- return rc;
- DestroySubwindows(pWin, client);
- return Success;
-}
-
-int
-ProcChangeSaveSet(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xChangeSaveSetReq);
- int rc;
-
- REQUEST_SIZE_MATCH(xChangeSaveSetReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess);
- if (rc != Success)
- return rc;
- if (client->clientAsMask == (CLIENT_BITS(pWin->drawable.id)))
- return BadMatch;
- if ((stuff->mode == SetModeInsert) || (stuff->mode == SetModeDelete))
- return AlterSaveSetForClient(client, pWin, stuff->mode, FALSE, TRUE);
- client->errorValue = stuff->mode;
- return BadValue;
-}
-
-int
-ProcReparentWindow(ClientPtr client)
-{
- WindowPtr pWin, pParent;
- REQUEST(xReparentWindowReq);
- int rc;
-
- REQUEST_SIZE_MATCH(xReparentWindowReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess);
- if (rc != Success)
- return rc;
- rc = dixLookupWindow(&pParent, stuff->parent, client, DixAddAccess);
- if (rc != Success)
- return rc;
- if (!SAME_SCREENS(pWin->drawable, pParent->drawable))
- return BadMatch;
- if ((pWin->backgroundState == ParentRelative) &&
- (pParent->drawable.depth != pWin->drawable.depth))
- return BadMatch;
- if ((pWin->drawable.class != InputOnly) &&
- (pParent->drawable.class == InputOnly))
- return BadMatch;
- return ReparentWindow(pWin, pParent,
- (short)stuff->x, (short)stuff->y, client);
-}
-
-int
-ProcMapWindow(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xResourceReq);
- int rc;
-
- REQUEST_SIZE_MATCH(xResourceReq);
- rc = dixLookupWindow(&pWin, stuff->id, client, DixShowAccess);
- if (rc != Success)
- return rc;
- MapWindow(pWin, client);
- /* update cache to say it is mapped */
- return Success;
-}
-
-int
-ProcMapSubwindows(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xResourceReq);
- int rc;
-
- REQUEST_SIZE_MATCH(xResourceReq);
- rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess);
- if (rc != Success)
- return rc;
- MapSubwindows(pWin, client);
- /* update cache to say it is mapped */
- return Success;
-}
-
-int
-ProcUnmapWindow(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xResourceReq);
- int rc;
-
- REQUEST_SIZE_MATCH(xResourceReq);
- rc = dixLookupWindow(&pWin, stuff->id, client, DixHideAccess);
- if (rc != Success)
- return rc;
- UnmapWindow(pWin, FALSE);
- /* update cache to say it is mapped */
- return Success;
-}
-
-int
-ProcUnmapSubwindows(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xResourceReq);
- int rc;
-
- REQUEST_SIZE_MATCH(xResourceReq);
- rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess);
- if (rc != Success)
- return rc;
- UnmapSubwindows(pWin);
- return Success;
-}
-
-int
-ProcConfigureWindow(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xConfigureWindowReq);
- int len, rc;
-
- REQUEST_AT_LEAST_SIZE(xConfigureWindowReq);
- rc = dixLookupWindow(&pWin, stuff->window, client,
- DixManageAccess|DixSetAttrAccess);
- if (rc != Success)
- return rc;
- len = client->req_len - bytes_to_int32(sizeof(xConfigureWindowReq));
- if (Ones((Mask)stuff->mask) != len)
- return BadLength;
- return ConfigureWindow(pWin, (Mask)stuff->mask, (XID *) &stuff[1], client);
-}
-
-int
-ProcCirculateWindow(ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xCirculateWindowReq);
- int rc;
-
- REQUEST_SIZE_MATCH(xCirculateWindowReq);
- if ((stuff->direction != RaiseLowest) &&
- (stuff->direction != LowerHighest))
- {
- client->errorValue = stuff->direction;
- return BadValue;
- }
- rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess);
- if (rc != Success)
- return rc;
- CirculateWindow(pWin, (int)stuff->direction, client);
- return Success;
-}
-
-static int
-GetGeometry(ClientPtr client, xGetGeometryReply *rep)
-{
- DrawablePtr pDraw;
- int rc;
- REQUEST(xResourceReq);
- REQUEST_SIZE_MATCH(xResourceReq);
-
- rc = dixLookupDrawable(&pDraw, stuff->id, client, M_ANY, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- rep->type = X_Reply;
- rep->length = 0;
- rep->sequenceNumber = client->sequence;
- rep->root = pDraw->pScreen->root->drawable.id;
- rep->depth = pDraw->depth;
- rep->width = pDraw->width;
- rep->height = pDraw->height;
-
- if (WindowDrawable(pDraw->type))
- {
- 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 */
- {
- rep->x = rep->y = rep->borderWidth = 0;
- }
-
- return Success;
-}
-
-
-int
-ProcGetGeometry(ClientPtr client)
-{
- xGetGeometryReply rep;
- int status;
-
- memset(&rep, 0, sizeof(xGetGeometryReply));
- if ((status = GetGeometry(client, &rep)) != Success)
- return status;
-
- WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep);
- return Success;
-}
-
-
-int
-ProcQueryTree(ClientPtr client)
-{
- xQueryTreeReply reply;
- int rc, numChildren = 0;
- WindowPtr pChild, pWin, pHead;
- Window *childIDs = (Window *)NULL;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess);
- if (rc != Success)
- return rc;
- memset(&reply, 0, sizeof(xQueryTreeReply));
- reply.type = X_Reply;
- reply.root = pWin->drawable.pScreen->root->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 = malloc(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 = bytes_to_int32(numChildren * sizeof(Window));
-
- WriteReplyToClient(client, sizeof(xQueryTreeReply), &reply);
- if (numChildren)
- {
- client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
- WriteSwappedDataToClient(client, numChildren * sizeof(Window), childIDs);
- free(childIDs);
- }
-
- return Success;
-}
-
-int
-ProcInternAtom(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;
- memset(&reply, 0, sizeof(xInternAtomReply));
- reply.type = X_Reply;
- reply.length = 0;
- reply.sequenceNumber = client->sequence;
- reply.atom = atom;
- WriteReplyToClient(client, sizeof(xInternAtomReply), &reply);
- return Success;
- }
- else
- return BadAlloc;
-}
-
-int
-ProcGetAtomName(ClientPtr client)
-{
- const char *str;
- xGetAtomNameReply reply;
- int len;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- if ( (str = NameForAtom(stuff->id)) )
- {
- len = strlen(str);
- memset(&reply, 0, sizeof(xGetAtomNameReply));
- reply.type = X_Reply;
- reply.length = bytes_to_int32(len);
- reply.sequenceNumber = client->sequence;
- reply.nameLength = len;
- WriteReplyToClient(client, sizeof(xGetAtomNameReply), &reply);
- (void)WriteToClient(client, len, str);
- return Success;
- }
- else
- {
- client->errorValue = stuff->id;
- return BadAtom;
- }
-}
-
-int
-ProcGrabServer(ClientPtr client)
-{
- int rc;
- REQUEST_SIZE_MATCH(xReq);
- if (grabState != GrabNone && client != grabClient)
- {
- ResetCurrentRequest(client);
- client->sequence--;
- BITSET(grabWaiters, client->index);
- IgnoreClient(client);
- return Success;
- }
- rc = OnlyListenToOneClient(client);
- if (rc != Success)
- return rc;
- grabState = GrabKickout;
- grabClient = client;
-
- if (ServerGrabCallback)
- {
- ServerGrabInfoRec grabinfo;
- grabinfo.client = client;
- grabinfo.grabstate = SERVER_GRABBED;
- CallCallbacks(&ServerGrabCallback, (pointer)&grabinfo);
- }
-
- return Success;
-}
-
-static void
-UngrabServer(ClientPtr client)
-{
- 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(ClientPtr client)
-{
- REQUEST_SIZE_MATCH(xReq);
- UngrabServer(client);
- return Success;
-}
-
-int
-ProcTranslateCoords(ClientPtr client)
-{
- REQUEST(xTranslateCoordsReq);
-
- WindowPtr pWin, pDst;
- xTranslateCoordsReply rep;
- int rc;
-
- REQUEST_SIZE_MATCH(xTranslateCoordsReq);
- rc = dixLookupWindow(&pWin, stuff->srcWid, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
- rc = dixLookupWindow(&pDst, stuff->dstWid, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
- memset(&rep, 0, sizeof(xTranslateCoordsReply));
- 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)
- {
- BoxRec box;
- 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))
- /* When a window is shaped, a further check
- * is made to see if the point is inside
- * borderSize
- */
- && (!wBoundingShape(pWin) ||
- RegionContainsPoint(&pWin->borderSize, x, y, &box))
-
- && (!wInputShape(pWin) ||
- RegionContainsPoint(wInputShape(pWin),
- x - pWin->drawable.x,
- y - pWin->drawable.y, &box))
- )
- {
- 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 Success;
-}
-
-int
-ProcOpenFont(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 Success;
- }
- else
- return err;
-}
-
-int
-ProcCloseFont(ClientPtr client)
-{
- FontPtr pFont;
- int rc;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- rc = dixLookupResourceByType((pointer *)&pFont, stuff->id, RT_FONT,
- client, DixDestroyAccess);
- if (rc == Success)
- {
- FreeResource(stuff->id, RT_NONE);
- return Success;
- }
- else
- {
- client->errorValue = stuff->id;
- return rc;
- }
-}
-
-int
-ProcQueryFont(ClientPtr client)
-{
- xQueryFontReply *reply;
- FontPtr pFont;
- int rc;
- REQUEST(xResourceReq);
- REQUEST_SIZE_MATCH(xResourceReq);
-
- rc = dixLookupFontable(&pFont, stuff->id, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- {
- 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 = calloc(1, rlength);
- if(!reply)
- {
- return BadAlloc;
- }
-
- reply->type = X_Reply;
- reply->length = bytes_to_int32(rlength - sizeof(xGenericReply));
- reply->sequenceNumber = client->sequence;
- QueryFont( pFont, reply, nprotoxcistructs);
-
- WriteReplyToClient(client, rlength, reply);
- free(reply);
- return Success;
- }
-}
-
-int
-ProcQueryTextExtents(ClientPtr client)
-{
- xQueryTextExtentsReply reply;
- FontPtr pFont;
- ExtentInfoRec info;
- unsigned long length;
- int rc;
- REQUEST(xQueryTextExtentsReq);
- REQUEST_AT_LEAST_SIZE(xQueryTextExtentsReq);
-
- rc = dixLookupFontable(&pFont, stuff->fid, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- length = client->req_len - bytes_to_int32(sizeof(xQueryTextExtentsReq));
- 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 Success;
-}
-
-int
-ProcListFonts(ClientPtr client)
-{
- REQUEST(xListFontsReq);
-
- REQUEST_FIXED_SIZE(xListFontsReq, stuff->nbytes);
-
- return ListFonts(client, (unsigned char *) &stuff[1], stuff->nbytes,
- stuff->maxNames);
-}
-
-int
-ProcListFontsWithInfo(ClientPtr client)
-{
- REQUEST(xListFontsWithInfoReq);
-
- REQUEST_FIXED_SIZE(xListFontsWithInfoReq, stuff->nbytes);
-
- return StartListFontsWithInfo(client, stuff->nbytes,
- (unsigned char *) &stuff[1], stuff->maxNames);
-}
-
-/**
- *
- * \param value must conform to DeleteType
- */
-int
-dixDestroyPixmap(pointer value, XID pid)
-{
- PixmapPtr pPixmap = (PixmapPtr)value;
- return (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap);
-}
-
-int
-ProcCreatePixmap(ClientPtr client)
-{
- PixmapPtr pMap;
- DrawablePtr pDraw;
- REQUEST(xCreatePixmapReq);
- DepthPtr pDepth;
- int i, rc;
-
- REQUEST_SIZE_MATCH(xCreatePixmapReq);
- client->errorValue = stuff->pid;
- LEGAL_NEW_RESOURCE(stuff->pid, client);
-
- rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- if (!stuff->width || !stuff->height)
- {
- client->errorValue = 0;
- return BadValue;
- }
- if (stuff->width > 32767 || stuff->height > 32767)
- {
- /* It is allowed to try and allocate a pixmap which is larger than
- * 32767 in either dimension. However, all of the framebuffer code
- * is buggy and does not reliably draw to such big pixmaps, basically
- * because the Region data structure operates with signed shorts
- * for the rectangles in it.
- *
- * Furthermore, several places in the X server computes the
- * size in bytes of the pixmap and tries to store it in an
- * integer. This integer can overflow and cause the allocated size
- * to be much smaller.
- *
- * So, such big pixmaps are rejected here with a BadAlloc
- */
- return BadAlloc;
- }
- 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, 0);
- if (pMap)
- {
- pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- pMap->drawable.id = stuff->pid;
- /* security creation/labeling check */
- rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, RT_PIXMAP,
- pMap, RT_NONE, NULL, DixCreateAccess);
- if (rc != Success) {
- (*pDraw->pScreen->DestroyPixmap)(pMap);
- return rc;
- }
- if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap))
- return Success;
- (*pDraw->pScreen->DestroyPixmap)(pMap);
- }
- return BadAlloc;
-}
-
-int
-ProcFreePixmap(ClientPtr client)
-{
- PixmapPtr pMap;
- int rc;
- REQUEST(xResourceReq);
- REQUEST_SIZE_MATCH(xResourceReq);
-
- rc = dixLookupResourceByType((pointer *)&pMap, stuff->id, RT_PIXMAP, client,
- DixDestroyAccess);
- if (rc == Success)
- {
- FreeResource(stuff->id, RT_NONE);
- return Success;
- }
- else
- {
- client->errorValue = stuff->id;
- return rc;
- }
-}
-
-int
-ProcCreateGC(ClientPtr client)
-{
- int error, rc;
- GC *pGC;
- DrawablePtr pDraw;
- unsigned len;
- REQUEST(xCreateGCReq);
-
- REQUEST_AT_LEAST_SIZE(xCreateGCReq);
- client->errorValue = stuff->gc;
- LEGAL_NEW_RESOURCE(stuff->gc, client);
- rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- len = client->req_len - bytes_to_int32(sizeof(xCreateGCReq));
- if (len != Ones(stuff->mask))
- return BadLength;
- pGC = (GC *)CreateGC(pDraw, stuff->mask, (XID *) &stuff[1], &error,
- stuff->gc, client);
- if (error != Success)
- return error;
- if (!AddResource(stuff->gc, RT_GC, (pointer)pGC))
- return BadAlloc;
- return Success;
-}
-
-int
-ProcChangeGC(ClientPtr client)
-{
- GC *pGC;
- int result;
- unsigned len;
- REQUEST(xChangeGCReq);
- REQUEST_AT_LEAST_SIZE(xChangeGCReq);
-
- result = dixLookupGC(&pGC, stuff->gc, client, DixSetAttrAccess);
- if (result != Success)
- return result;
-
- len = client->req_len - bytes_to_int32(sizeof(xChangeGCReq));
- if (len != Ones(stuff->mask))
- return BadLength;
-
- return ChangeGCXIDs(client, pGC, stuff->mask, (CARD32 *) &stuff[1]);
-}
-
-int
-ProcCopyGC(ClientPtr client)
-{
- GC *dstGC;
- GC *pGC;
- int result;
- REQUEST(xCopyGCReq);
- REQUEST_SIZE_MATCH(xCopyGCReq);
-
- result = dixLookupGC(&pGC, stuff->srcGC, client, DixGetAttrAccess);
- if (result != Success)
- return result;
- result = dixLookupGC(&dstGC, stuff->dstGC, client, DixSetAttrAccess);
- if (result != Success)
- return result;
- if ((dstGC->pScreen != pGC->pScreen) || (dstGC->depth != pGC->depth))
- return BadMatch;
- if (stuff->mask & ~GCAllBits)
- {
- client->errorValue = stuff->mask;
- return BadValue;
- }
- return CopyGC(pGC, dstGC, stuff->mask);
-}
-
-int
-ProcSetDashes(ClientPtr client)
-{
- GC *pGC;
- int result;
- REQUEST(xSetDashesReq);
-
- REQUEST_FIXED_SIZE(xSetDashesReq, stuff->nDashes);
- if (stuff->nDashes == 0)
- {
- client->errorValue = 0;
- return BadValue;
- }
-
- result = dixLookupGC(&pGC,stuff->gc, client, DixSetAttrAccess);
- if (result != Success)
- return result;
-
- /* If there's an error, either there's no sensible errorValue,
- * or there was a dash segment of 0. */
- client->errorValue = 0;
- return SetDashes(pGC, stuff->dashOffset, stuff->nDashes,
- (unsigned char *)&stuff[1]);
-}
-
-int
-ProcSetClipRectangles(ClientPtr client)
-{
- int nr, result;
- 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;
- }
- result = dixLookupGC(&pGC,stuff->gc, client, DixSetAttrAccess);
- if (result != Success)
- return result;
-
- nr = (client->req_len << 2) - sizeof(xSetClipRectanglesReq);
- if (nr & 4)
- return BadLength;
- nr >>= 3;
- return SetClipRects(pGC, stuff->xOrigin, stuff->yOrigin,
- nr, (xRectangle *)&stuff[1], (int)stuff->ordering);
-}
-
-int
-ProcFreeGC(ClientPtr client)
-{
- GC *pGC;
- int rc;
- REQUEST(xResourceReq);
- REQUEST_SIZE_MATCH(xResourceReq);
-
- rc = dixLookupGC(&pGC, stuff->id, client, DixDestroyAccess);
- if (rc != Success)
- return rc;
-
- FreeResource(stuff->id, RT_NONE);
- return Success;
-}
-
-int
-ProcClearToBackground(ClientPtr client)
-{
- REQUEST(xClearAreaReq);
- WindowPtr pWin;
- int rc;
-
- REQUEST_SIZE_MATCH(xClearAreaReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess);
- if (rc != Success)
- return rc;
- 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 Success;
-}
-
-int
-ProcCopyArea(ClientPtr client)
-{
- DrawablePtr pDst;
- DrawablePtr pSrc;
- GC *pGC;
- REQUEST(xCopyAreaReq);
- RegionPtr pRgn;
- int rc;
-
- REQUEST_SIZE_MATCH(xCopyAreaReq);
-
- VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, DixWriteAccess);
- if (stuff->dstDrawable != stuff->srcDrawable)
- {
- rc = dixLookupDrawable(&pSrc, stuff->srcDrawable, client, 0,
- DixReadAccess);
- if (rc != Success)
- return rc;
- if ((pDst->pScreen != pSrc->pScreen) || (pDst->depth != pSrc->depth))
- {
- client->errorValue = stuff->dstDrawable;
- return BadMatch;
- }
- }
- else
- pSrc = pDst;
-
- 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)
- RegionDestroy(pRgn);
- }
-
- return Success;
-}
-
-int
-ProcCopyPlane(ClientPtr client)
-{
- DrawablePtr psrcDraw, pdstDraw;
- GC *pGC;
- REQUEST(xCopyPlaneReq);
- RegionPtr pRgn;
- int rc;
-
- REQUEST_SIZE_MATCH(xCopyPlaneReq);
-
- VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, DixWriteAccess);
- if (stuff->dstDrawable != stuff->srcDrawable)
- {
- rc = dixLookupDrawable(&psrcDraw, stuff->srcDrawable, client, 0,
- DixReadAccess);
- if (rc != Success)
- return rc;
-
- if (pdstDraw->pScreen != psrcDraw->pScreen)
- {
- client->errorValue = stuff->dstDrawable;
- return BadMatch;
- }
- }
- else
- psrcDraw = pdstDraw;
-
- /* 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)
- RegionDestroy(pRgn);
- }
- return Success;
-}
-
-int
-ProcPolyPoint(ClientPtr client)
-{
- int npoint;
- GC *pGC;
- 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, DixWriteAccess);
- npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyPointReq));
- if (npoint)
- (*pGC->ops->PolyPoint)(pDraw, pGC, stuff->coordMode, npoint,
- (xPoint *) &stuff[1]);
- return Success;
-}
-
-int
-ProcPolyLine(ClientPtr client)
-{
- int npoint;
- GC *pGC;
- 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, DixWriteAccess);
- npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyLineReq));
- if (npoint > 1)
- (*pGC->ops->Polylines)(pDraw, pGC, stuff->coordMode, npoint,
- (DDXPointPtr) &stuff[1]);
- return Success;
-}
-
-int
-ProcPolySegment(ClientPtr client)
-{
- int nsegs;
- GC *pGC;
- DrawablePtr pDraw;
- REQUEST(xPolySegmentReq);
-
- REQUEST_AT_LEAST_SIZE(xPolySegmentReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess);
- 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 Success;
-}
-
-int
-ProcPolyRectangle (ClientPtr client)
-{
- int nrects;
- GC *pGC;
- DrawablePtr pDraw;
- REQUEST(xPolyRectangleReq);
-
- REQUEST_AT_LEAST_SIZE(xPolyRectangleReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess);
- 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 Success;
-}
-
-int
-ProcPolyArc(ClientPtr client)
-{
- int narcs;
- GC *pGC;
- DrawablePtr pDraw;
- REQUEST(xPolyArcReq);
-
- REQUEST_AT_LEAST_SIZE(xPolyArcReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess);
- 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 Success;
-}
-
-int
-ProcFillPoly(ClientPtr client)
-{
- int things;
- GC *pGC;
- 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, DixWriteAccess);
- things = bytes_to_int32((client->req_len << 2) - sizeof(xFillPolyReq));
- if (things)
- (*pGC->ops->FillPolygon) (pDraw, pGC, stuff->shape,
- stuff->coordMode, things,
- (DDXPointPtr) &stuff[1]);
- return Success;
-}
-
-int
-ProcPolyFillRectangle(ClientPtr client)
-{
- int things;
- GC *pGC;
- DrawablePtr pDraw;
- REQUEST(xPolyFillRectangleReq);
-
- REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess);
- 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 Success;
-}
-
-int
-ProcPolyFillArc(ClientPtr client)
-{
- int narcs;
- GC *pGC;
- DrawablePtr pDraw;
- REQUEST(xPolyFillArcReq);
-
- REQUEST_AT_LEAST_SIZE(xPolyFillArcReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess);
- 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 Success;
-}
-
-#ifdef MATCH_CLIENT_ENDIAN
-
-int
-ServerOrder (void)
-{
- int whichbyte = 1;
-
- if (*((char *) &whichbyte))
- return LSBFirst;
- return MSBFirst;
-}
-
-#define ClientOrder(client) ((client)->swapped ? !ServerOrder() : ServerOrder())
-
-void
-ReformatImage (char *base, int nbytes, int bpp, int order)
-{
- switch (bpp) {
- case 1: /* yuck */
- if (BITMAP_BIT_ORDER != order)
- BitOrderInvert ((unsigned char *) base, nbytes);
-#if IMAGE_BYTE_ORDER != BITMAP_BIT_ORDER && BITMAP_SCANLINE_UNIT != 8
- ReformatImage (base, nbytes, BITMAP_SCANLINE_UNIT, order);
-#endif
- break;
- case 4:
- break; /* yuck */
- case 8:
- break;
- case 16:
- if (IMAGE_BYTE_ORDER != order)
- TwoByteSwap ((unsigned char *) base, nbytes);
- break;
- case 32:
- if (IMAGE_BYTE_ORDER != order)
- FourByteSwap ((unsigned char *) base, nbytes);
- break;
- }
-}
-#else
-#define ReformatImage(b,n,bpp,o)
-#endif
-
-/* 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(ClientPtr client)
-{
- GC *pGC;
- 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, DixWriteAccess);
- if (stuff->format == XYBitmap)
- {
- if ((stuff->depth != 1) ||
- (stuff->leftPad >= (unsigned int)screenInfo.bitmapScanlinePad))
- return BadMatch;
- length = BitmapBytePad(stuff->width + stuff->leftPad);
- }
- 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;
- }
- else if (stuff->format == ZPixmap)
- {
- if ((pDraw->depth != stuff->depth) || (stuff->leftPad != 0))
- return BadMatch;
- length = PixmapBytePad(stuff->width, stuff->depth);
- }
- else
- {
- client->errorValue = stuff->format;
- return BadValue;
- }
-
- tmpImage = (char *)&stuff[1];
- lengthProto = length;
-
- if ((bytes_to_int32(lengthProto * stuff->height) +
- bytes_to_int32(sizeof(xPutImageReq))) != client->req_len)
- return BadLength;
-
- ReformatImage (tmpImage, lengthProto * stuff->height,
- stuff->format == ZPixmap ? BitsPerPixel (stuff->depth) : 1,
- ClientOrder(client));
-
- (*pGC->ops->PutImage) (pDraw, pGC, stuff->depth, stuff->dstX, stuff->dstY,
- stuff->width, stuff->height,
- stuff->leftPad, stuff->format, tmpImage);
-
- return Success;
-}
-
-static int
-DoGetImage(ClientPtr client, int format, Drawable drawable,
- int x, int y, int width, int height,
- Mask planemask, xGetImageReply **im_return)
-{
- DrawablePtr pDraw, pBoundingDraw;
- int nlines, linesPerBuf, rc;
- int linesDone;
- /* coordinates relative to the bounding drawable */
- int relx, rely;
- long widthBytesLine, length;
- Mask plane = 0;
- char *pBuf;
- xGetImageReply xgi;
- RegionPtr pVisibleRegion = NULL;
-
- if ((format != XYPixmap) && (format != ZPixmap))
- {
- client->errorValue = format;
- return BadValue;
- }
- rc = dixLookupDrawable(&pDraw, drawable, client, 0, DixReadAccess);
- if (rc != Success)
- return rc;
-
- memset(&xgi, 0, sizeof(xGetImageReply));
-
- relx = x;
- rely = y;
-
- if(pDraw->type == DRAWABLE_WINDOW)
- {
- WindowPtr pWin = (WindowPtr)pDraw;
-
- /* "If the drawable is a window, the window must be viewable ... or a
- * BadMatch error results" */
- if (!pWin->viewable)
- return BadMatch;
-
- relx += pDraw->x;
- rely += pDraw->y;
-
- if (pDraw->pScreen->GetWindowPixmap) {
- PixmapPtr pPix = (*pDraw->pScreen->GetWindowPixmap) (pWin);
-
- pBoundingDraw = &pPix->drawable;
-#ifdef COMPOSITE
- relx -= pPix->screen_x;
- rely -= pPix->screen_y;
-#endif
- }
- else
- {
- pBoundingDraw = (DrawablePtr)pDraw->pScreen->root;
- }
-
- xgi.visual = wVisual (pWin);
- }
- else
- {
- pBoundingDraw = pDraw;
- xgi.visual = None;
- }
-
- /* "If the drawable is a pixmap, the given rectangle must be wholly
- * contained within the pixmap, or a BadMatch error results. If the
- * drawable is a window [...] it must be the case that if there were no
- * inferiors or overlapping windows, the specified rectangle of the window
- * would be fully visible on the screen and wholly contained within the
- * outside edges of the window, or a BadMatch error results."
- *
- * We relax the window case slightly to mean that the rectangle must exist
- * within the bounds of the window's backing pixmap. In particular, this
- * means that a GetImage request may succeed or fail with BadMatch depending
- * on whether any of its ancestor windows are redirected. */
- if(relx < 0 || relx + width > (int)pBoundingDraw->width ||
- rely < 0 || rely + height > (int)pBoundingDraw->height)
- return BadMatch;
-
- xgi.type = X_Reply;
- xgi.sequenceNumber = client->sequence;
- xgi.depth = pDraw->depth;
- if(format == ZPixmap)
- {
- widthBytesLine = PixmapBytePad(width, pDraw->depth);
- length = widthBytesLine * height;
-
- }
- else
- {
- widthBytesLine = BitmapBytePad(width);
- plane = ((Mask)1) << (pDraw->depth - 1);
- /* only planes asked for */
- length = widthBytesLine * height *
- Ones(planemask & (plane | (plane - 1)));
-
- }
-
- xgi.length = length;
-
- if (im_return) {
- pBuf = calloc(1, 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 = bytes_to_int32(xgi.length);
- 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 & ((1L << LOG2_BYTES_PER_SCANLINE_PAD)-1)))
- {
- linesPerBuf--;
- length -= widthBytesLine;
- }
- while (length & ((1L << LOG2_BYTES_PER_SCANLINE_PAD)-1))
- {
- linesPerBuf++;
- length += widthBytesLine;
- }
- }
- if(!(pBuf = calloc(1, length)))
- return BadAlloc;
- WriteReplyToClient(client, sizeof (xGetImageReply), &xgi);
- }
-
- if (pDraw->type == DRAWABLE_WINDOW)
- {
- pVisibleRegion = NotClippedByChildren((WindowPtr)pDraw);
- if (pVisibleRegion)
- {
- RegionTranslate(pVisibleRegion, -pDraw->x, -pDraw->y);
- }
- }
-
- 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);
- if (pVisibleRegion)
- XaceCensorImage(client, pVisibleRegion, widthBytesLine,
- pDraw, x, y + linesDone, width,
- nlines, format, pBuf);
-
- /* Note that this is NOT a call to WriteSwappedDataToClient,
- as we do NOT byte swap */
- if (!im_return)
- {
- ReformatImage (pBuf, (int)(nlines * widthBytesLine),
- BitsPerPixel (pDraw->depth),
- ClientOrder(client));
-
-/* Don't split me, gcc pukes when you do */
- (void)WriteToClient(client,
- (int)(nlines * widthBytesLine),
- pBuf);
- }
- 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);
- if (pVisibleRegion)
- XaceCensorImage(client, pVisibleRegion,
- widthBytesLine,
- pDraw, x, y + linesDone, width,
- nlines, format, pBuf);
-
- /* Note: NOT a call to WriteSwappedDataToClient,
- as we do NOT byte swap */
- if (im_return) {
- pBuf += nlines * widthBytesLine;
- } else {
- ReformatImage (pBuf,
- (int)(nlines * widthBytesLine),
- 1,
- ClientOrder (client));
-
-/* Don't split me, gcc pukes when you do */
- (void)WriteToClient(client,
- (int)(nlines * widthBytesLine),
- pBuf);
- }
- linesDone += nlines;
- }
- }
- }
- }
- if (pVisibleRegion)
- RegionDestroy(pVisibleRegion);
- if (!im_return)
- free(pBuf);
- return Success;
-}
-
-int
-ProcGetImage(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(ClientPtr client)
-{
- int err;
- REQUEST(xPolyTextReq);
- DrawablePtr pDraw;
- GC *pGC;
-
- REQUEST_AT_LEAST_SIZE(xPolyTextReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess);
-
- 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 Success;
- }
- else
- return err;
-}
-
-int
-ProcImageText8(ClientPtr client)
-{
- int err;
- DrawablePtr pDraw;
- GC *pGC;
-
- REQUEST(xImageTextReq);
-
- REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess);
-
- err = ImageText(client,
- pDraw,
- pGC,
- stuff->nChars,
- (unsigned char *)&stuff[1],
- stuff->x,
- stuff->y,
- stuff->reqType,
- stuff->drawable);
-
- if (err == Success)
- {
- return Success;
- }
- else
- return err;
-}
-
-int
-ProcImageText16(ClientPtr client)
-{
- int err;
- DrawablePtr pDraw;
- GC *pGC;
-
- REQUEST(xImageTextReq);
-
- REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess);
-
- err = ImageText(client,
- pDraw,
- pGC,
- stuff->nChars,
- (unsigned char *)&stuff[1],
- stuff->x,
- stuff->y,
- stuff->reqType,
- stuff->drawable);
-
- if (err == Success)
- {
- return Success;
- }
- else
- return err;
-}
-
-
-int
-ProcCreateColormap(ClientPtr client)
-{
- VisualPtr pVisual;
- ColormapPtr pmap;
- Colormap mid;
- 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);
- result = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
- if (result != Success)
- return result;
-
- pScreen = pWin->drawable.pScreen;
- for (i = 0, pVisual = pScreen->visuals;
- i < pScreen->numVisuals;
- i++, pVisual++)
- {
- if (pVisual->vid != stuff->visual)
- continue;
- return CreateColormap(mid, pScreen, pVisual, &pmap,
- (int)stuff->alloc, client->index);
- }
- client->errorValue = stuff->visual;
- return BadMatch;
-}
-
-int
-ProcFreeColormap(ClientPtr client)
-{
- ColormapPtr pmap;
- int rc;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- rc = dixLookupResourceByType((pointer *)&pmap, stuff->id, RT_COLORMAP, client,
- DixDestroyAccess);
- if (rc == Success)
- {
- /* Freeing a default colormap is a no-op */
- if (!(pmap->flags & IsDefault))
- FreeResource(stuff->id, RT_NONE);
- return Success;
- }
- else
- {
- client->errorValue = stuff->id;
- return rc;
- }
-}
-
-
-int
-ProcCopyColormapAndFree(ClientPtr client)
-{
- Colormap mid;
- ColormapPtr pSrcMap;
- REQUEST(xCopyColormapAndFreeReq);
- int rc;
-
- REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq);
- mid = stuff->mid;
- LEGAL_NEW_RESOURCE(mid, client);
- rc = dixLookupResourceByType((pointer *)&pSrcMap, stuff->srcCmap, RT_COLORMAP,
- client, DixReadAccess|DixRemoveAccess);
- if (rc == Success)
- return CopyColormapAndFree(mid, pSrcMap, client->index);
- client->errorValue = stuff->srcCmap;
- return rc;
-}
-
-int
-ProcInstallColormap(ClientPtr client)
-{
- ColormapPtr pcmp;
- int rc;
- REQUEST(xResourceReq);
- REQUEST_SIZE_MATCH(xResourceReq);
-
- rc = dixLookupResourceByType((pointer *)&pcmp, stuff->id, RT_COLORMAP, client,
- DixInstallAccess);
- if (rc != Success)
- goto out;
-
- rc = XaceHook(XACE_SCREEN_ACCESS, client, pcmp->pScreen, DixSetAttrAccess);
- if (rc != Success) {
- if (rc == BadValue)
- rc = BadColor;
- goto out;
- }
-
- (*(pcmp->pScreen->InstallColormap)) (pcmp);
- return Success;
-
-out:
- client->errorValue = stuff->id;
- return rc;
-}
-
-int
-ProcUninstallColormap(ClientPtr client)
-{
- ColormapPtr pcmp;
- int rc;
- REQUEST(xResourceReq);
- REQUEST_SIZE_MATCH(xResourceReq);
-
- rc = dixLookupResourceByType((pointer *)&pcmp, stuff->id, RT_COLORMAP, client,
- DixUninstallAccess);
- if (rc != Success)
- goto out;
-
- rc = XaceHook(XACE_SCREEN_ACCESS, client, pcmp->pScreen, DixSetAttrAccess);
- if (rc != Success) {
- if (rc == BadValue)
- rc = BadColor;
- goto out;
- }
-
- if(pcmp->mid != pcmp->pScreen->defColormap)
- (*(pcmp->pScreen->UninstallColormap)) (pcmp);
- return Success;
-
-out:
- client->errorValue = stuff->id;
- return rc;
-}
-
-int
-ProcListInstalledColormaps(ClientPtr client)
-{
- xListInstalledColormapsReply *preply;
- int nummaps, rc;
- WindowPtr pWin;
- REQUEST(xResourceReq);
- REQUEST_SIZE_MATCH(xResourceReq);
-
- rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- rc = XaceHook(XACE_SCREEN_ACCESS, client, pWin->drawable.pScreen,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- preply = malloc(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]);
- free(preply);
- return Success;
-}
-
-int
-ProcAllocColor (ClientPtr client)
-{
- ColormapPtr pmap;
- int rc;
- xAllocColorReply acr;
- REQUEST(xAllocColorReq);
-
- REQUEST_SIZE_MATCH(xAllocColorReq);
- rc = dixLookupResourceByType((pointer *)&pmap, stuff->cmap, RT_COLORMAP, client,
- DixAddAccess);
- if (rc == Success)
- {
- 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( (rc = AllocColor(pmap, &acr.red, &acr.green, &acr.blue,
- &acr.pixel, client->index)) )
- return rc;
-#ifdef PANORAMIX
- if (noPanoramiXExtension || !pmap->pScreen->myNum)
-#endif
- WriteReplyToClient(client, sizeof(xAllocColorReply), &acr);
- return Success;
-
- }
- else
- {
- client->errorValue = stuff->cmap;
- return rc;
- }
-}
-
-int
-ProcAllocNamedColor (ClientPtr client)
-{
- ColormapPtr pcmp;
- int rc;
- REQUEST(xAllocNamedColorReq);
-
- REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes);
- rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client,
- DixAddAccess);
- if (rc == Success)
- {
- xAllocNamedColorReply ancr;
-
- 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( (rc = AllocColor(pcmp,
- &ancr.screenRed, &ancr.screenGreen, &ancr.screenBlue,
- &ancr.pixel, client->index)) )
- return rc;
-#ifdef PANORAMIX
- if (noPanoramiXExtension || !pcmp->pScreen->myNum)
-#endif
- WriteReplyToClient(client, sizeof (xAllocNamedColorReply), &ancr);
- return Success;
- }
- else
- return BadName;
-
- }
- else
- {
- client->errorValue = stuff->cmap;
- return rc;
- }
-}
-
-int
-ProcAllocColorCells (ClientPtr client)
-{
- ColormapPtr pcmp;
- int rc;
- REQUEST(xAllocColorCellsReq);
-
- REQUEST_SIZE_MATCH(xAllocColorCellsReq);
- rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client,
- DixAddAccess);
- if (rc == Success)
- {
- xAllocColorCellsReply accr;
- int npixels, nmasks;
- long length;
- Pixel *ppixels, *pmasks;
-
- 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 = malloc(length);
- if(!ppixels)
- return BadAlloc;
- pmasks = ppixels + npixels;
-
- if( (rc = AllocColorCells(client->index, pcmp, npixels, nmasks,
- (Bool)stuff->contiguous, ppixels, pmasks)) )
- {
- free(ppixels);
- return rc;
- }
-#ifdef PANORAMIX
- if (noPanoramiXExtension || !pcmp->pScreen->myNum)
-#endif
- {
- accr.type = X_Reply;
- accr.length = bytes_to_int32(length);
- accr.sequenceNumber = client->sequence;
- accr.nPixels = npixels;
- accr.nMasks = nmasks;
- WriteReplyToClient(client, sizeof (xAllocColorCellsReply), &accr);
- client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
- WriteSwappedDataToClient(client, length, ppixels);
- }
- free(ppixels);
- return Success;
- }
- else
- {
- client->errorValue = stuff->cmap;
- return rc;
- }
-}
-
-int
-ProcAllocColorPlanes(ClientPtr client)
-{
- ColormapPtr pcmp;
- int rc;
- REQUEST(xAllocColorPlanesReq);
-
- REQUEST_SIZE_MATCH(xAllocColorPlanesReq);
- rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client,
- DixAddAccess);
- if (rc == Success)
- {
- xAllocColorPlanesReply acpr;
- int npixels;
- long length;
- Pixel *ppixels;
-
- 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 = malloc(length);
- if(!ppixels)
- return BadAlloc;
- if( (rc = AllocColorPlanes(client->index, pcmp, npixels,
- (int)stuff->red, (int)stuff->green, (int)stuff->blue,
- (Bool)stuff->contiguous, ppixels,
- &acpr.redMask, &acpr.greenMask, &acpr.blueMask)) )
- {
- free(ppixels);
- return rc;
- }
- acpr.length = bytes_to_int32(length);
-#ifdef PANORAMIX
- if (noPanoramiXExtension || !pcmp->pScreen->myNum)
-#endif
- {
- WriteReplyToClient(client, sizeof(xAllocColorPlanesReply), &acpr);
- client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
- WriteSwappedDataToClient(client, length, ppixels);
- }
- free(ppixels);
- return Success;
- }
- else
- {
- client->errorValue = stuff->cmap;
- return rc;
- }
-}
-
-int
-ProcFreeColors(ClientPtr client)
-{
- ColormapPtr pcmp;
- int rc;
- REQUEST(xFreeColorsReq);
-
- REQUEST_AT_LEAST_SIZE(xFreeColorsReq);
- rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client,
- DixRemoveAccess);
- if (rc == Success)
- {
- int count;
-
- if(pcmp->flags & AllAllocated)
- return BadAccess;
- count = bytes_to_int32((client->req_len << 2) - sizeof(xFreeColorsReq));
- return FreeColors(pcmp, client->index, count,
- (Pixel *)&stuff[1], (Pixel)stuff->planeMask);
- }
- else
- {
- client->errorValue = stuff->cmap;
- return rc;
- }
-}
-
-int
-ProcStoreColors (ClientPtr client)
-{
- ColormapPtr pcmp;
- int rc;
- REQUEST(xStoreColorsReq);
-
- REQUEST_AT_LEAST_SIZE(xStoreColorsReq);
- rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client,
- DixWriteAccess);
- if (rc == Success)
- {
- int count;
-
- count = (client->req_len << 2) - sizeof(xStoreColorsReq);
- if (count % sizeof(xColorItem))
- return BadLength;
- count /= sizeof(xColorItem);
- return StoreColors(pcmp, count, (xColorItem *)&stuff[1], client);
- }
- else
- {
- client->errorValue = stuff->cmap;
- return rc;
- }
-}
-
-int
-ProcStoreNamedColor (ClientPtr client)
-{
- ColormapPtr pcmp;
- int rc;
- REQUEST(xStoreNamedColorReq);
-
- REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes);
- rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client,
- DixWriteAccess);
- if (rc == Success)
- {
- xColorItem def;
-
- if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1],
- stuff->nbytes, &def.red, &def.green, &def.blue))
- {
- def.flags = stuff->flags;
- def.pixel = stuff->pixel;
- return StoreColors(pcmp, 1, &def, client);
- }
- return BadName;
- }
- else
- {
- client->errorValue = stuff->cmap;
- return rc;
- }
-}
-
-int
-ProcQueryColors(ClientPtr client)
-{
- ColormapPtr pcmp;
- int rc;
- REQUEST(xQueryColorsReq);
-
- REQUEST_AT_LEAST_SIZE(xQueryColorsReq);
- rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client,
- DixReadAccess);
- if (rc == Success)
- {
- int count;
- xrgb *prgbs;
- xQueryColorsReply qcr;
-
- count = bytes_to_int32((client->req_len << 2) - sizeof(xQueryColorsReq));
- prgbs = calloc(1, count * sizeof(xrgb));
- if(!prgbs && count)
- return BadAlloc;
- if( (rc = QueryColors(pcmp, count, (Pixel *)&stuff[1], prgbs, client)) )
- {
- free(prgbs);
- return rc;
- }
- memset(&qcr, 0, sizeof(xQueryColorsReply));
- qcr.type = X_Reply;
- qcr.length = bytes_to_int32(count * sizeof(xrgb));
- qcr.sequenceNumber = client->sequence;
- qcr.nColors = count;
- WriteReplyToClient(client, sizeof(xQueryColorsReply), &qcr);
- if (count)
- {
- client->pSwapReplyFunc = (ReplySwapPtr) SQColorsExtend;
- WriteSwappedDataToClient(client, count * sizeof(xrgb), prgbs);
- }
- free(prgbs);
- return Success;
-
- }
- else
- {
- client->errorValue = stuff->cmap;
- return rc;
- }
-}
-
-int
-ProcLookupColor(ClientPtr client)
-{
- ColormapPtr pcmp;
- int rc;
- REQUEST(xLookupColorReq);
-
- REQUEST_FIXED_SIZE(xLookupColorReq, stuff->nbytes);
- rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client,
- DixReadAccess);
- if (rc == Success)
- {
- 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 Success;
- }
- return BadName;
- }
- else
- {
- client->errorValue = stuff->cmap;
- return rc;
- }
-}
-
-int
-ProcCreateCursor (ClientPtr client)
-{
- CursorPtr pCursor;
- PixmapPtr src;
- PixmapPtr msk;
- unsigned char * srcbits;
- unsigned char * mskbits;
- unsigned short width, height;
- long n;
- CursorMetricRec cm;
- int rc;
-
- REQUEST(xCreateCursorReq);
-
- REQUEST_SIZE_MATCH(xCreateCursorReq);
- LEGAL_NEW_RESOURCE(stuff->cid, client);
-
- rc = dixLookupResourceByType((pointer *)&src, stuff->source, RT_PIXMAP, client,
- DixReadAccess);
- if (rc != Success) {
- client->errorValue = stuff->source;
- return rc;
- }
-
- rc = dixLookupResourceByType((pointer *)&msk, stuff->mask, RT_PIXMAP, client,
- DixReadAccess);
- if (rc != Success)
- {
- if (stuff->mask != None)
- {
- client->errorValue = stuff->mask;
- return rc;
- }
- }
- 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 = calloc(1, n);
- if (!srcbits)
- return BadAlloc;
- mskbits = malloc(n);
- if (!mskbits)
- {
- free(srcbits);
- return BadAlloc;
- }
-
- (* src->drawable.pScreen->GetImage)( (DrawablePtr)src, 0, 0, width, height,
- XYPixmap, 1, (pointer)srcbits);
- if ( msk == (PixmapPtr)NULL)
- {
- unsigned char *bits = mskbits;
- while (--n >= 0)
- *bits++ = ~0;
- }
- else
- {
- /* zeroing the (pad) bits helps some ddx cursor handling */
- memset((char *)mskbits, 0, 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;
- rc = AllocARGBCursor(srcbits, mskbits, NULL, &cm,
- stuff->foreRed, stuff->foreGreen, stuff->foreBlue,
- stuff->backRed, stuff->backGreen, stuff->backBlue,
- &pCursor, client, stuff->cid);
-
- if (rc != Success)
- return rc;
- if (!AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor))
- return BadAlloc;
-
- return Success;
-}
-
-int
-ProcCreateGlyphCursor (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, stuff->cid);
- if (res != Success)
- return res;
- if (AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor))
- return Success;
- return BadAlloc;
-}
-
-
-int
-ProcFreeCursor (ClientPtr client)
-{
- CursorPtr pCursor;
- int rc;
- REQUEST(xResourceReq);
-
- REQUEST_SIZE_MATCH(xResourceReq);
- rc = dixLookupResourceByType((pointer *)&pCursor, stuff->id, RT_CURSOR, client,
- DixDestroyAccess);
- if (rc == Success)
- {
- FreeResource(stuff->id, RT_NONE);
- return Success;
- }
- else
- {
- client->errorValue = stuff->id;
- return rc;
- }
-}
-
-int
-ProcQueryBestSize (ClientPtr client)
-{
- xQueryBestSizeReply reply;
- DrawablePtr pDraw;
- ScreenPtr pScreen;
- int rc;
- REQUEST(xQueryBestSizeReq);
- REQUEST_SIZE_MATCH(xQueryBestSizeReq);
-
- if ((stuff->class != CursorShape) &&
- (stuff->class != TileShape) &&
- (stuff->class != StippleShape))
- {
- client->errorValue = stuff->class;
- return BadValue;
- }
-
- rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
- if (stuff->class != CursorShape && pDraw->type == UNDRAWABLE_WINDOW)
- return BadMatch;
- pScreen = pDraw->pScreen;
- rc = XaceHook(XACE_SCREEN_ACCESS, client, pScreen, DixGetAttrAccess);
- if (rc != Success)
- return rc;
- (* pScreen->QueryBestSize)(stuff->class, &stuff->width,
- &stuff->height, pScreen);
- memset(&reply, 0, sizeof(xQueryBestSizeReply));
- 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 Success;
-}
-
-
-int
-ProcSetScreenSaver (ClientPtr client)
-{
- int rc, i, blankingOption, exposureOption;
- REQUEST(xSetScreenSaverReq);
- REQUEST_SIZE_MATCH(xSetScreenSaverReq);
-
- for (i = 0; i < screenInfo.numScreens; i++) {
- rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i],
- DixSetAttrAccess);
- if (rc != Success)
- return rc;
- }
-
- 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;
-
- SetScreenSaverTimer();
- return Success;
-}
-
-int
-ProcGetScreenSaver(ClientPtr client)
-{
- xGetScreenSaverReply rep;
- int rc, i;
- REQUEST_SIZE_MATCH(xReq);
-
- for (i = 0; i < screenInfo.numScreens; i++) {
- rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i],
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
- }
-
- 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 Success;
-}
-
-int
-ProcChangeHosts(ClientPtr client)
-{
- REQUEST(xChangeHostsReq);
-
- REQUEST_FIXED_SIZE(xChangeHostsReq, stuff->hostLength);
-
- if(stuff->mode == HostInsert)
- return AddHost(client, (int)stuff->hostFamily,
- stuff->hostLength, (pointer)&stuff[1]);
- if (stuff->mode == HostDelete)
- return RemoveHost(client, (int)stuff->hostFamily,
- stuff->hostLength, (pointer)&stuff[1]);
- client->errorValue = stuff->mode;
- return BadValue;
-}
-
-int
-ProcListHosts(ClientPtr client)
-{
- xListHostsReply reply;
- int len, nHosts, result;
- pointer pdata;
- /* REQUEST(xListHostsReq); */
-
- REQUEST_SIZE_MATCH(xListHostsReq);
-
- /* untrusted clients can't list hosts */
- result = XaceHook(XACE_SERVER_ACCESS, client, DixReadAccess);
- if (result != Success)
- return result;
-
- 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 = bytes_to_int32(len);
- WriteReplyToClient(client, sizeof(xListHostsReply), &reply);
- if (nHosts)
- {
- client->pSwapReplyFunc = (ReplySwapPtr) SLHostsExtend;
- WriteSwappedDataToClient(client, len, pdata);
- }
- free(pdata);
- return Success;
-}
-
-int
-ProcChangeAccessControl(ClientPtr client)
-{
- REQUEST(xSetAccessControlReq);
-
- REQUEST_SIZE_MATCH(xSetAccessControlReq);
- if ((stuff->mode != EnableAccess) && (stuff->mode != DisableAccess))
- {
- client->errorValue = stuff->mode;
- return BadValue;
- }
- return ChangeAccessControl(client, stuff->mode == EnableAccess);
-}
-
-/*********************
- * CloseDownRetainedResources
- *
- * Find all clients that are gone and have terminated in RetainTemporary
- * and destroy their resources.
- *********************/
-
-static void
-CloseDownRetainedResources(void)
-{
- int i;
- ClientPtr client;
-
- for (i=1; i<currentMaxClients; i++)
- {
- client = clients[i];
- if (client && (client->closeDownMode == RetainTemporary)
- && (client->clientGone))
- CloseDownClient(client);
- }
-}
-
-int
-ProcKillClient(ClientPtr client)
-{
- REQUEST(xResourceReq);
- ClientPtr killclient;
- int rc;
-
- REQUEST_SIZE_MATCH(xResourceReq);
- if (stuff->id == AllTemporary)
- {
- CloseDownRetainedResources();
- return Success;
- }
-
- rc = dixLookupClient(&killclient, stuff->id, client, DixDestroyAccess);
- if (rc == Success) {
- 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 Success;
- }
- else
- return rc;
-}
-
-int
-ProcSetFontPath(ClientPtr client)
-{
- unsigned char *ptr;
- unsigned long nbytes, total;
- long nfonts;
- int n;
- 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;
- return SetFontPath(client, stuff->nFonts, (unsigned char *)&stuff[1]);
-}
-
-int
-ProcGetFontPath(ClientPtr client)
-{
- xGetFontPathReply reply;
- int rc, stringLens, numpaths;
- unsigned char *bufferStart;
- /* REQUEST (xReq); */
-
- REQUEST_SIZE_MATCH(xReq);
- rc = GetFontPath(client, &numpaths, &stringLens, &bufferStart);
- if (rc != Success)
- return rc;
-
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = bytes_to_int32(stringLens + numpaths);
- reply.nPaths = numpaths;
-
- WriteReplyToClient(client, sizeof(xGetFontPathReply), &reply);
- if (stringLens || numpaths)
- (void)WriteToClient(client, stringLens + numpaths, (char *)bufferStart);
- return Success;
-}
-
-int
-ProcChangeCloseDownMode(ClientPtr client)
-{
- int rc;
- REQUEST(xSetCloseDownModeReq);
- REQUEST_SIZE_MATCH(xSetCloseDownModeReq);
-
- rc = XaceHook(XACE_CLIENT_ACCESS, client, client, DixManageAccess);
- if (rc != Success)
- return rc;
-
- if ((stuff->mode == AllTemporary) ||
- (stuff->mode == RetainPermanent) ||
- (stuff->mode == RetainTemporary))
- {
- client->closeDownMode = stuff->mode;
- return Success;
- }
- else
- {
- client->errorValue = stuff->mode;
- return BadValue;
- }
-}
-
-int ProcForceScreenSaver(ClientPtr client)
-{
- int rc;
- REQUEST(xForceScreenSaverReq);
-
- REQUEST_SIZE_MATCH(xForceScreenSaverReq);
-
- if ((stuff->mode != ScreenSaverReset) &&
- (stuff->mode != ScreenSaverActive))
- {
- client->errorValue = stuff->mode;
- return BadValue;
- }
- rc = dixSaveScreens(client, SCREEN_SAVER_FORCER, (int)stuff->mode);
- if (rc != Success)
- return rc;
- return Success;
-}
-
-int ProcNoOperation(ClientPtr client)
-{
- REQUEST_AT_LEAST_SIZE(xReq);
-
- /* noop -- don't do anything */
- return Success;
-}
-
-/**********************
- * CloseDownClient
- *
- * Client can either mark his resources destroy or retain. If retained and
- * then killed again, the client is really destroyed.
- *********************/
-
-char dispatchExceptionAtReset = DE_RESET;
-
-void
-CloseDownClient(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();
- 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)
- dispatchException |= dispatchExceptionAtReset;
-
- client->clientState = ClientStateGone;
- if (ClientStateCallback)
- {
- NewClientInfoRec clientinfo;
-
- clientinfo.client = client;
- clientinfo.prefix = (xConnSetupPrefix *)NULL;
- clientinfo.setup = (xConnSetup *) NULL;
- CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
- }
- FreeClientResources(client);
-#ifdef XSERVER_DTRACE
- XSERVER_CLIENT_DISCONNECT(client->index);
-#endif
- if (client->index < nextFreeClientID)
- nextFreeClientID = client->index;
- clients[client->index] = NullClient;
- SmartLastClient = NullClient;
- dixFreeObjectWithPrivates(client, PRIVATE_CLIENT);
-
- while (!clients[currentMaxClients-1])
- currentMaxClients--;
- }
-}
-
-static void
-KillAllClients(void)
-{
- int i;
- for (i=1; i<currentMaxClients; i++)
- if (clients[i]) {
- /* Make sure Retained clients are released. */
- clients[i]->closeDownMode = DestroyAll;
- CloseDownClient(clients[i]);
- }
-}
-
-void InitClient(ClientPtr client, int i, pointer ospriv)
-{
- client->index = i;
- client->clientAsMask = ((Mask)i) << CLIENTOFFSET;
- client->closeDownMode = i ? DestroyAll : RetainPermanent;
- client->requestVector = InitialVector;
- client->osPrivate = ospriv;
- QueryMinMaxKeyCodes(&client->minKC,&client->maxKC);
- client->smart_start_tick = SmartScheduleTime;
- client->smart_stop_tick = SmartScheduleTime;
- client->smart_check_tick = SmartScheduleTime;
-}
-
-/************************
- * 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(pointer ospriv)
-{
- int i;
- ClientPtr client;
- xReq data;
-
- i = nextFreeClientID;
- if (i == MAXCLIENTS)
- return (ClientPtr)NULL;
- clients[i] = client = dixAllocateObjectWithPrivates(ClientRec, PRIVATE_CLIENT);
- if (!client)
- return (ClientPtr)NULL;
- InitClient(client, i, ospriv);
- if (!InitClientResources(client))
- {
- dixFreeObjectWithPrivates(client, PRIVATE_CLIENT);
- return (ClientPtr)NULL;
- }
- data.reqType = 1;
- data.length = bytes_to_int32(sz_xReq + sz_xConnClientPrefix);
- if (!InsertFakeRequest(client, (char *)&data, sz_xReq))
- {
- FreeClientResources(client);
- dixFreeObjectWithPrivates(client, PRIVATE_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(ClientPtr client)
-{
- REQUEST(xReq);
- 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 += bytes_to_int32(prefix->nbytesAuthProto) +
- bytes_to_int32(prefix->nbytesAuthString);
- if (client->swapped)
- {
- swaps(&stuff->length, whichbyte);
- }
- ResetCurrentRequest(client);
- return Success;
-}
-
-static int
-SendConnSetup(ClientPtr client, char *reason)
-{
- xWindowRoot *root;
- int i;
- int numScreens;
- char* lConnectionInfo;
- xConnSetupPrefix* lconnSetupPrefix;
-
- if (reason)
- {
- xConnSetupPrefix csp;
-
- csp.success = xFalse;
- csp.lengthReason = strlen(reason);
- csp.length = bytes_to_int32(csp.lengthReason);
- 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;
- ((xConnSetup *)lConnectionInfo)->ridBase = client->clientAsMask;
- ((xConnSetup *)lConnectionInfo)->ridMask = RESOURCE_ID_MASK;
-#ifdef MATCH_CLIENT_ENDIAN
- ((xConnSetup *)lConnectionInfo)->imageByteOrder = ClientOrder (client);
- ((xConnSetup *)lConnectionInfo)->bitmapBitOrder = ClientOrder (client);
-#endif
- /* fill in the "currentInputMask" */
- root = (xWindowRoot *)(lConnectionInfo + connBlockScreenStart);
-#ifdef PANORAMIX
- if (noPanoramiXExtension)
- numScreens = screenInfo.numScreens;
- else
- numScreens = ((xConnSetup *)ConnectionInfo)->numRoots;
-#endif
-
- for (i=0; i<numScreens; i++)
- {
- unsigned int j;
- xDepth *pDepth;
- WindowPtr pRoot = screenInfo.screens[i]->root;
-
- root->currentInputMask = pRoot->eventMask | wOtherEventMasks(pRoot);
- 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 Success;
-}
-
-int
-ProcEstablishConnection(ClientPtr client)
-{
- char *reason, *auth_proto, *auth_string;
- xConnClientPrefix *prefix;
- REQUEST(xReq);
-
- prefix = (xConnClientPrefix *)((char *)stuff + sz_xReq);
- auth_proto = (char *)prefix + sz_xConnClientPrefix;
- auth_string = auth_proto + pad_to_int32(prefix->nbytesAuthProto);
- 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 Success;
-}
-
-void
-SendErrorToClient(ClientPtr client, unsigned majorCode, unsigned minorCode,
- XID resId, int errorCode)
-{
- xError rep;
-
- memset(&rep, 0, sizeof(xError));
- rep.type = X_Error;
- rep.errorCode = errorCode;
- rep.majorCode = majorCode;
- rep.minorCode = minorCode;
- rep.resourceID = resId;
-
- WriteEventsToClient (client, 1, (xEvent *)&rep);
-}
-
-void
-MarkClientException(ClientPtr client)
-{
- client->noClientException = -1;
-}
-
-/*
- * This array encodes the answer to the question "what is the log base 2
- * of the number of pixels that fit in a scanline pad unit?"
- * Note that ~0 is an invalid entry (mostly for the benefit of the reader).
- */
-static int answer[6][4] = {
- /* pad pad pad pad*/
- /* 8 16 32 64 */
-
- { 3, 4, 5 , 6 }, /* 1 bit per pixel */
- { 1, 2, 3 , 4 }, /* 4 bits per pixel */
- { 0, 1, 2 , 3 }, /* 8 bits per pixel */
- { ~0, 0, 1 , 2 }, /* 16 bits per pixel */
- { ~0, ~0, 0 , 1 }, /* 24 bits per pixel */
- { ~0, ~0, 0 , 1 } /* 32 bits per pixel */
-};
-
-/*
- * This array gives the answer to the question "what is the first index for
- * the answer array above given the number of bits per pixel?"
- * Note that ~0 is an invalid entry (mostly for the benefit of the reader).
- */
-static int indexForBitsPerPixel[ 33 ] = {
- ~0, 0, ~0, ~0, /* 1 bit per pixel */
- 1, ~0, ~0, ~0, /* 4 bits per pixel */
- 2, ~0, ~0, ~0, /* 8 bits per pixel */
- ~0,~0, ~0, ~0,
- 3, ~0, ~0, ~0, /* 16 bits per pixel */
- ~0,~0, ~0, ~0,
- 4, ~0, ~0, ~0, /* 24 bits per pixel */
- ~0,~0, ~0, ~0,
- 5 /* 32 bits per pixel */
-};
-
-/*
- * This array gives the bytesperPixel value for cases where the number
- * of bits per pixel is a multiple of 8 but not a power of 2.
- */
-static int answerBytesPerPixel[ 33 ] = {
- ~0, 0, ~0, ~0, /* 1 bit per pixel */
- 0, ~0, ~0, ~0, /* 4 bits per pixel */
- 0, ~0, ~0, ~0, /* 8 bits per pixel */
- ~0,~0, ~0, ~0,
- 0, ~0, ~0, ~0, /* 16 bits per pixel */
- ~0,~0, ~0, ~0,
- 3, ~0, ~0, ~0, /* 24 bits per pixel */
- ~0,~0, ~0, ~0,
- 0 /* 32 bits per pixel */
-};
-
-/*
- * This array gives the answer to the question "what is the second index for
- * the answer array above given the number of bits per scanline pad unit?"
- * Note that ~0 is an invalid entry (mostly for the benefit of the reader).
- */
-static int indexForScanlinePad[ 65 ] = {
- ~0, ~0, ~0, ~0,
- ~0, ~0, ~0, ~0,
- 0, ~0, ~0, ~0, /* 8 bits per scanline pad unit */
- ~0, ~0, ~0, ~0,
- 1, ~0, ~0, ~0, /* 16 bits per scanline pad unit */
- ~0, ~0, ~0, ~0,
- ~0, ~0, ~0, ~0,
- ~0, ~0, ~0, ~0,
- 2, ~0, ~0, ~0, /* 32 bits per scanline pad unit */
- ~0, ~0, ~0, ~0,
- ~0, ~0, ~0, ~0,
- ~0, ~0, ~0, ~0,
- ~0, ~0, ~0, ~0,
- ~0, ~0, ~0, ~0,
- ~0, ~0, ~0, ~0,
- ~0, ~0, ~0, ~0,
- 3 /* 64 bits per scanline pad unit */
-};
-
-/*
- grow the array of screenRecs if necessary.
- call the device-supplied initialization procedure
-with its screen number, a pointer to its ScreenRec, argc, and argv.
- return the number of successfully installed screens.
-
-*/
-
-int
-AddScreen(
- Bool (* pfnInit)(
- int /*index*/,
- ScreenPtr /*pScreen*/,
- int /*argc*/,
- char ** /*argv*/
- ),
- int argc,
- char **argv)
-{
-
- int i;
- int scanlinepad, format, depth, bitsPerPixel, j, k;
- ScreenPtr pScreen;
-
- i = screenInfo.numScreens;
- if (i == MAXSCREENS)
- return -1;
-
- pScreen = (ScreenPtr) calloc(1, sizeof(ScreenRec));
- if (!pScreen)
- return -1;
-
- if (!dixAllocatePrivates(&pScreen->devPrivates, PRIVATE_SCREEN)) {
- free (pScreen);
- return -1;
- }
- pScreen->myNum = i;
- pScreen->totalPixmapSize = 0; /* computed in CreateScratchPixmapForScreen */
- pScreen->ClipNotify = 0; /* for R4 ddx compatibility */
- pScreen->CreateScreenResources = 0;
-
- /*
- * This loop gets run once for every Screen that gets added,
- * but thats ok. If the ddx layer initializes the formats
- * one at a time calling AddScreen() after each, then each
- * iteration will make it a little more accurate. Worst case
- * we do this loop N * numPixmapFormats where N is # of screens.
- * Anyway, this must be called after InitOutput and before the
- * screen init routine is called.
- */
- for (format=0; format<screenInfo.numPixmapFormats; format++)
- {
- depth = screenInfo.formats[format].depth;
- bitsPerPixel = screenInfo.formats[format].bitsPerPixel;
- scanlinepad = screenInfo.formats[format].scanlinePad;
- j = indexForBitsPerPixel[ bitsPerPixel ];
- k = indexForScanlinePad[ scanlinepad ];
- PixmapWidthPaddingInfo[ depth ].padPixelsLog2 = answer[j][k];
- PixmapWidthPaddingInfo[ depth ].padRoundUp =
- (scanlinepad/bitsPerPixel) - 1;
- j = indexForBitsPerPixel[ 8 ]; /* bits per byte */
- PixmapWidthPaddingInfo[ depth ].padBytesLog2 = answer[j][k];
- PixmapWidthPaddingInfo[ depth ].bitsPerPixel = bitsPerPixel;
- if (answerBytesPerPixel[bitsPerPixel])
- {
- PixmapWidthPaddingInfo[ depth ].notPower2 = 1;
- PixmapWidthPaddingInfo[ depth ].bytesPerPixel =
- answerBytesPerPixel[bitsPerPixel];
- }
- else
- {
- PixmapWidthPaddingInfo[ depth ].notPower2 = 0;
- }
- }
-
- /* This is where screen specific stuff gets initialized. Load the
- screen structure, call the hardware, whatever.
- This is also where the default colormap should be allocated and
- also pixel values for blackPixel, whitePixel, and the cursor
- Note that InitScreen is NOT allowed to modify argc, argv, or
- any of the strings pointed to by argv. They may be passed to
- multiple screens.
- */
- screenInfo.screens[i] = pScreen;
- screenInfo.numScreens++;
- if (!(*pfnInit)(i, pScreen, argc, argv))
- {
- dixFreePrivates(pScreen->devPrivates, PRIVATE_SCREEN);
- free(pScreen);
- screenInfo.numScreens--;
- return -1;
- }
-
- dixRegisterPrivateKey(&cursorScreenDevPriv[i], PRIVATE_CURSOR, 0);
-
- return i;
-}
+/************************************************************ + +Copyright 1987, 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP 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 Open Group 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 Open Group. + + +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. + +********************************************************/ + +/* The panoramix components contained the following notice */ +/***************************************************************** + +Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. + +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. + +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 +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL 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 Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. + +******************************************************************/ + +/* XSERVER_DTRACE additions: + * Copyright (c) 2005-2006, Oracle and/or its affiliates. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + + + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#include <version-config.h> +#endif + +#ifdef PANORAMIX_DEBUG +#include <stdio.h> +int ProcInitialConnection(); +#endif + +#include "windowstr.h" +#include <X11/fonts/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 "privates.h" +#include "xace.h" +#include "inputstr.h" +#include "xkbsrv.h" +#include "site.h" +#include "client.h" + +#ifdef XSERVER_DTRACE +#include "registry.h" +#include <sys/types.h> +typedef const char *string; +#include "Xserver-dtrace.h" +#endif + +#define mskcnt ((MAXCLIENTS + 31) / 32) +#define BITMASK(i) (1U << ((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)) + +xConnSetupPrefix connSetupPrefix; + +PaddingInfo PixmapWidthPaddingInfo[33]; + +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]; +int connBlockScreenStart; + +static void KillAllClients(void); + +static int nextFreeClientID; /* always MIN free client ID */ + +static int nClients; /* number of authorized clients */ + +CallbackListPtr ClientStateCallback; + +/* dispatchException & isItTimeToYield must be declared volatile since they + * are modified by signal handlers - otherwise optimizer may assume it doesn't + * need to actually check value in memory when used and may miss changes from + * signal handlers. + */ +volatile char dispatchException = 0; +volatile char isItTimeToYield; + +#define SAME_SCREENS(a, b) (\ + (a.pScreen == b.pScreen)) + +void +SetInputCheck(HWEventQueuePtr c0, HWEventQueuePtr c1) +{ + checkForInput[0] = c0; + checkForInput[1] = c1; +} + +void +UpdateCurrentTime(void) +{ + 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(void) +{ + TimeStamp systime; + + systime.months = currentTime.months; + systime.milliseconds = GetTimeInMillis(); + if (systime.milliseconds < currentTime.milliseconds) + systime.months++; + if (*checkForInput[0] == *checkForInput[1]) + currentTime = systime; +} + + +#undef SMART_DEBUG + +#define SMART_SCHEDULE_DEFAULT_INTERVAL 20 /* ms */ +#define SMART_SCHEDULE_MAX_SLICE 200 /* ms */ + +Bool SmartScheduleDisable = FALSE; +long SmartScheduleSlice = SMART_SCHEDULE_DEFAULT_INTERVAL; +long SmartScheduleInterval = SMART_SCHEDULE_DEFAULT_INTERVAL; +long SmartScheduleMaxSlice = SMART_SCHEDULE_MAX_SLICE; +long SmartScheduleTime; +int SmartScheduleLatencyLimited = 0; +static ClientPtr SmartLastClient; +static int SmartLastIndex[SMART_MAX_PRIORITY-SMART_MIN_PRIORITY+1]; + +#ifdef SMART_DEBUG +long SmartLastPrint; +#endif + +void Dispatch(void); + +static int +SmartScheduleClient (int *clientReady, int nready) +{ + ClientPtr pClient; + int i; + int client; + int bestPrio, best = 0; + int bestRobin, robin; + long now = SmartScheduleTime; + long idle; + + bestPrio = -0x7fffffff; + bestRobin = 0; + idle = 2 * SmartScheduleSlice; + for (i = 0; i < nready; i++) + { + client = clientReady[i]; + pClient = clients[client]; + /* Praise clients which are idle */ + if ((now - pClient->smart_check_tick) >= idle) + { + if (pClient->smart_priority < 0) + pClient->smart_priority++; + } + pClient->smart_check_tick = now; + + /* check priority to select best client */ + robin = (pClient->index - SmartLastIndex[pClient->smart_priority-SMART_MIN_PRIORITY]) & 0xff; + if (pClient->smart_priority > bestPrio || + (pClient->smart_priority == bestPrio && robin > bestRobin)) + { + bestPrio = pClient->smart_priority; + bestRobin = robin; + best = client; + } +#ifdef SMART_DEBUG + if ((now - SmartLastPrint) >= 5000) + fprintf (stderr, " %2d: %3d", client, pClient->smart_priority); +#endif + } +#ifdef SMART_DEBUG + if ((now - SmartLastPrint) >= 5000) + { + fprintf (stderr, " use %2d\n", best); + SmartLastPrint = now; + } +#endif + pClient = clients[best]; + SmartLastIndex[bestPrio-SMART_MIN_PRIORITY] = pClient->index; + /* + * Set current client pointer + */ + if (SmartLastClient != pClient) + { + pClient->smart_start_tick = now; + SmartLastClient = pClient; + } + /* + * Adjust slice + */ + if (nready == 1 && SmartScheduleLatencyLimited == 0) + { + /* + * If it's been a long time since another client + * has run, bump the slice up to get maximal + * performance from a single client + */ + if ((now - pClient->smart_start_tick) > 1000 && + SmartScheduleSlice < SmartScheduleMaxSlice) + { + SmartScheduleSlice += SmartScheduleInterval; + } + } + else + { + SmartScheduleSlice = SmartScheduleInterval; + } + return best; +} + +void +EnableLimitedSchedulingLatency(void) +{ + ++SmartScheduleLatencyLimited; + SmartScheduleSlice = SmartScheduleInterval; +} + +void +DisableLimitedSchedulingLatency(void) +{ + --SmartScheduleLatencyLimited; + + /* protect against bugs */ + if (SmartScheduleLatencyLimited < 0) + SmartScheduleLatencyLimited = 0; +} + +#define MAJOROP ((xReq *)client->requestBuffer)->reqType + +void +Dispatch(void) +{ + int *clientReady; /* array of request ready clients */ + int result; + ClientPtr client; + int nready; + HWEventQueuePtr* icheck = checkForInput; + long start_tick; + + nextFreeClientID = 1; + nClients = 0; + + clientReady = malloc(sizeof(int) * MaxClients); + if (!clientReady) + return; + + SmartScheduleSlice = SmartScheduleInterval; + while (!dispatchException) + { + if (*icheck[0] != *icheck[1]) + { + ProcessInputEvents(); + FlushIfCriticalOutputPending(); + } + + nready = WaitForSomething(clientReady); + + if (nready && !SmartScheduleDisable) + { + clientReady[0] = SmartScheduleClient (clientReady, nready); + nready = 1; + } + /***************** + * 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; + + start_tick = SmartScheduleTime; + while (!isItTimeToYield) + { + if (*icheck[0] != *icheck[1]) + ProcessInputEvents(); + + FlushIfCriticalOutputPending(); + if (!SmartScheduleDisable && + (SmartScheduleTime - start_tick) >= SmartScheduleSlice) + { + /* Penalize clients which consume ticks */ + if (client->smart_priority > SMART_MIN_PRIORITY) + client->smart_priority--; + break; + } + /* now, finally, deal with client requests */ + + result = ReadRequestFromClient(client); + if (result <= 0) + { + if (result < 0) + CloseDownClient(client); + break; + } + + client->sequence++; +#ifdef XSERVER_DTRACE + XSERVER_REQUEST_START(LookupMajorName(MAJOROP), MAJOROP, + ((xReq *)client->requestBuffer)->length, + client->index, client->requestBuffer); +#endif + if (result > (maxBigRequestSize << 2)) + result = BadLength; + else { + result = XaceHookDispatch(client, MAJOROP); + if (result == Success) + result = (* client->requestVector[MAJOROP])(client); + XaceHookAuditEnd(client, result); + } +#ifdef XSERVER_DTRACE + XSERVER_REQUEST_DONE(LookupMajorName(MAJOROP), MAJOROP, + client->sequence, client->index, result); +#endif + + if (client->noClientException != Success) + { + CloseDownClient(client); + break; + } + else if (result != Success) + { + SendErrorToClient(client, MAJOROP, + MinorOpcodeOfRequest(client), + client->errorValue, result); + break; + } + } + FlushAllOutput(); + client = clients[clientReady[nready]]; + if (client) + client->smart_stop_tick = SmartScheduleTime; + } + dispatchException &= ~DE_PRIORITYCHANGE; + } +#if defined(DDXBEFORERESET) + ddxBeforeReset (); +#endif + KillAllClients(); + free(clientReady); + dispatchException &= ~DE_RESET; + SmartScheduleLatencyLimited = 0; +} + +#undef MAJOROP + +static int VendorRelease = VENDOR_RELEASE; +static char *VendorString = VENDOR_NAME; + +static const int padlength[4] = {0, 3, 2, 1}; + +void +SetVendorRelease(int release) +{ + VendorRelease = release; +} + +void +SetVendorString(char *string) +{ + VendorString = string; +} + +Bool +CreateConnectionBlock(void) +{ + xConnSetup setup; + xWindowRoot root; + xDepth depth; + xVisualType visual; + xPixmapFormat format; + unsigned long vid; + int i, j, k, + lenofblock, + sizesofar = 0; + char *pBuf; + + + memset(&setup, 0, sizeof(xConnSetup)); + /* Leave off the ridBase and ridMask, these must be sent with + connection */ + + setup.release = VendorRelease; + /* + * per-server image and bitmap parameters are defined in Xmd.h + */ + setup.imageByteOrder = screenInfo.imageByteOrder; + + setup.bitmapScanlineUnit = screenInfo.bitmapScanlineUnit; + setup.bitmapScanlinePad = screenInfo.bitmapScanlinePad; + + setup.bitmapBitOrder = screenInfo.bitmapBitOrder; + setup.motionBufferSize = NumMotionEvents(); + setup.numRoots = screenInfo.numScreens; + setup.nbytesVendor = strlen(VendorString); + setup.numFormats = screenInfo.numPixmapFormats; + setup.maxRequestSize = MAX_REQUEST_SIZE; + QueryMinMaxKeyCodes(&setup.minKeyCode, &setup.maxKeyCode); + + lenofblock = sizeof(xConnSetup) + + pad_to_int32(setup.nbytesVendor) + + (setup.numFormats * sizeof(xPixmapFormat)) + + (setup.numRoots * sizeof(xWindowRoot)); + ConnectionInfo = malloc(lenofblock); + if (!ConnectionInfo) + return FALSE; + + memmove(ConnectionInfo, (char *)&setup, sizeof(xConnSetup)); + sizesofar = sizeof(xConnSetup); + pBuf = ConnectionInfo + sizeof(xConnSetup); + + memmove(pBuf, VendorString, (int)setup.nbytesVendor); + sizesofar += setup.nbytesVendor; + pBuf += setup.nbytesVendor; + i = padlength[setup.nbytesVendor & 3]; + sizesofar += i; + while (--i >= 0) + *pBuf++ = 0; + + memset(&format, 0, sizeof(xPixmapFormat)); + for (i=0; i<screenInfo.numPixmapFormats; i++) + { + format.depth = screenInfo.formats[i].depth; + format.bitsPerPixel = screenInfo.formats[i].bitsPerPixel; + format.scanLinePad = screenInfo.formats[i].scanlinePad; + memmove(pBuf, (char *)&format, sizeof(xPixmapFormat)); + pBuf += sizeof(xPixmapFormat); + sizesofar += sizeof(xPixmapFormat); + } + + connBlockScreenStart = sizesofar; + memset(&depth, 0, sizeof(xDepth)); + memset(&visual, 0, sizeof(xVisualType)); + for (i=0; i<screenInfo.numScreens; i++) + { + ScreenPtr pScreen; + DepthPtr pDepth; + VisualPtr pVisual; + + pScreen = screenInfo.screens[i]; + root.windowId = pScreen->root->drawable.id; + root.defaultColormap = pScreen->defColormap; + root.whitePixel = pScreen->whitePixel; + root.blackPixel = pScreen->blackPixel; + root.currentInputMask = 0; /* filled in when sent */ + root.pixWidth = pScreen->width; + root.pixHeight = pScreen->height; + root.mmWidth = pScreen->mmWidth; + root.mmHeight = pScreen->mmHeight; + root.minInstalledMaps = pScreen->minInstalledCmaps; + root.maxInstalledMaps = pScreen->maxInstalledCmaps; + root.rootVisualID = pScreen->rootVisual; + root.backingStore = pScreen->backingStoreSupport; + root.saveUnders = FALSE; + root.rootDepth = pScreen->rootDepth; + root.nDepths = pScreen->numDepths; + memmove(pBuf, (char *)&root, sizeof(xWindowRoot)); + sizesofar += sizeof(xWindowRoot); + pBuf += sizeof(xWindowRoot); + + pDepth = pScreen->allowedDepths; + for(j = 0; j < pScreen->numDepths; j++, pDepth++) + { + lenofblock += sizeof(xDepth) + + (pDepth->numVids * sizeof(xVisualType)); + pBuf = (char *)realloc(ConnectionInfo, lenofblock); + if (!pBuf) + { + free(ConnectionInfo); + return FALSE; + } + ConnectionInfo = pBuf; + pBuf += sizesofar; + depth.depth = pDepth->depth; + depth.nVisuals = pDepth->numVids; + memmove(pBuf, (char *)&depth, sizeof(xDepth)); + pBuf += sizeof(xDepth); + sizesofar += sizeof(xDepth); + for(k = 0; k < pDepth->numVids; k++) + { + vid = pDepth->vids[k]; + for (pVisual = pScreen->visuals; + pVisual->vid != vid; + pVisual++) + ; + visual.visualID = vid; + visual.class = pVisual->class; + visual.bitsPerRGB = pVisual->bitsPerRGBValue; + visual.colormapEntries = pVisual->ColormapEntries; + visual.redMask = pVisual->redMask; + visual.greenMask = pVisual->greenMask; + visual.blueMask = pVisual->blueMask; + memmove(pBuf, (char *)&visual, sizeof(xVisualType)); + pBuf += sizeof(xVisualType); + sizesofar += sizeof(xVisualType); + } + } + } + connSetupPrefix.success = xTrue; + connSetupPrefix.length = lenofblock/4; + connSetupPrefix.majorVersion = X_PROTOCOL; + connSetupPrefix.minorVersion = X_PROTOCOL_REVISION; + return TRUE; +} + + +int +ProcBadRequest(ClientPtr client) +{ + return BadRequest; +} + +int +ProcCreateWindow(ClientPtr client) +{ + WindowPtr pParent, pWin; + REQUEST(xCreateWindowReq); + int len, rc; + + REQUEST_AT_LEAST_SIZE(xCreateWindowReq); + + LEGAL_NEW_RESOURCE(stuff->wid, client); + rc = dixLookupWindow(&pParent, stuff->parent, client, DixAddAccess); + if (rc != Success) + return rc; + len = client->req_len - bytes_to_int32(sizeof(xCreateWindowReq)); + 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, &rc); + 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; + } + return rc; +} + +int +ProcChangeWindowAttributes(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xChangeWindowAttributesReq); + int len, rc; + Mask access_mode = 0; + + REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq); + access_mode |= (stuff->valueMask & CWEventMask) ? DixReceiveAccess : 0; + access_mode |= (stuff->valueMask & ~CWEventMask) ? DixSetAttrAccess : 0; + rc = dixLookupWindow(&pWin, stuff->window, client, access_mode); + if (rc != Success) + return rc; + len = client->req_len - bytes_to_int32(sizeof(xChangeWindowAttributesReq)); + if (len != Ones(stuff->valueMask)) + return BadLength; + return ChangeWindowAttributes(pWin, + stuff->valueMask, + (XID *) &stuff[1], + client); +} + +int +ProcGetWindowAttributes(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xResourceReq); + xGetWindowAttributesReply wa; + int rc; + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess); + if (rc != Success) + return rc; + memset(&wa, 0, sizeof(xGetWindowAttributesReply)); + GetWindowAttributes(pWin, client, &wa); + WriteReplyToClient(client, sizeof(xGetWindowAttributesReply), &wa); + return Success; +} + +int +ProcDestroyWindow(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xResourceReq); + int rc; + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupWindow(&pWin, stuff->id, client, DixDestroyAccess); + if (rc != Success) + return rc; + if (pWin->parent) { + rc = dixLookupWindow(&pWin, pWin->parent->drawable.id, client, + DixRemoveAccess); + if (rc != Success) + return rc; + FreeResource(stuff->id, RT_NONE); + } + return Success; +} + +int +ProcDestroySubwindows(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xResourceReq); + int rc; + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupWindow(&pWin, stuff->id, client, DixRemoveAccess); + if (rc != Success) + return rc; + DestroySubwindows(pWin, client); + return Success; +} + +int +ProcChangeSaveSet(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xChangeSaveSetReq); + int rc; + + REQUEST_SIZE_MATCH(xChangeSaveSetReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess); + if (rc != Success) + return rc; + if (client->clientAsMask == (CLIENT_BITS(pWin->drawable.id))) + return BadMatch; + if ((stuff->mode == SetModeInsert) || (stuff->mode == SetModeDelete)) + return AlterSaveSetForClient(client, pWin, stuff->mode, FALSE, TRUE); + client->errorValue = stuff->mode; + return BadValue; +} + +int +ProcReparentWindow(ClientPtr client) +{ + WindowPtr pWin, pParent; + REQUEST(xReparentWindowReq); + int rc; + + REQUEST_SIZE_MATCH(xReparentWindowReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess); + if (rc != Success) + return rc; + rc = dixLookupWindow(&pParent, stuff->parent, client, DixAddAccess); + if (rc != Success) + return rc; + if (!SAME_SCREENS(pWin->drawable, pParent->drawable)) + return BadMatch; + if ((pWin->backgroundState == ParentRelative) && + (pParent->drawable.depth != pWin->drawable.depth)) + return BadMatch; + if ((pWin->drawable.class != InputOnly) && + (pParent->drawable.class == InputOnly)) + return BadMatch; + return ReparentWindow(pWin, pParent, + (short)stuff->x, (short)stuff->y, client); +} + +int +ProcMapWindow(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xResourceReq); + int rc; + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupWindow(&pWin, stuff->id, client, DixShowAccess); + if (rc != Success) + return rc; + MapWindow(pWin, client); + /* update cache to say it is mapped */ + return Success; +} + +int +ProcMapSubwindows(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xResourceReq); + int rc; + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess); + if (rc != Success) + return rc; + MapSubwindows(pWin, client); + /* update cache to say it is mapped */ + return Success; +} + +int +ProcUnmapWindow(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xResourceReq); + int rc; + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupWindow(&pWin, stuff->id, client, DixHideAccess); + if (rc != Success) + return rc; + UnmapWindow(pWin, FALSE); + /* update cache to say it is mapped */ + return Success; +} + +int +ProcUnmapSubwindows(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xResourceReq); + int rc; + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess); + if (rc != Success) + return rc; + UnmapSubwindows(pWin); + return Success; +} + +int +ProcConfigureWindow(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xConfigureWindowReq); + int len, rc; + + REQUEST_AT_LEAST_SIZE(xConfigureWindowReq); + rc = dixLookupWindow(&pWin, stuff->window, client, + DixManageAccess|DixSetAttrAccess); + if (rc != Success) + return rc; + len = client->req_len - bytes_to_int32(sizeof(xConfigureWindowReq)); + if (Ones((Mask)stuff->mask) != len) + return BadLength; + return ConfigureWindow(pWin, (Mask)stuff->mask, (XID *) &stuff[1], client); +} + +int +ProcCirculateWindow(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xCirculateWindowReq); + int rc; + + REQUEST_SIZE_MATCH(xCirculateWindowReq); + if ((stuff->direction != RaiseLowest) && + (stuff->direction != LowerHighest)) + { + client->errorValue = stuff->direction; + return BadValue; + } + rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess); + if (rc != Success) + return rc; + CirculateWindow(pWin, (int)stuff->direction, client); + return Success; +} + +static int +GetGeometry(ClientPtr client, xGetGeometryReply *rep) +{ + DrawablePtr pDraw; + int rc; + REQUEST(xResourceReq); + REQUEST_SIZE_MATCH(xResourceReq); + + rc = dixLookupDrawable(&pDraw, stuff->id, client, M_ANY, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep->type = X_Reply; + rep->length = 0; + rep->sequenceNumber = client->sequence; + rep->root = pDraw->pScreen->root->drawable.id; + rep->depth = pDraw->depth; + rep->width = pDraw->width; + rep->height = pDraw->height; + + if (WindowDrawable(pDraw->type)) + { + 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 */ + { + rep->x = rep->y = rep->borderWidth = 0; + } + + return Success; +} + + +int +ProcGetGeometry(ClientPtr client) +{ + xGetGeometryReply rep; + int status; + + memset(&rep, 0, sizeof(xGetGeometryReply)); + if ((status = GetGeometry(client, &rep)) != Success) + return status; + + WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep); + return Success; +} + + +int +ProcQueryTree(ClientPtr client) +{ + xQueryTreeReply reply; + int rc, numChildren = 0; + WindowPtr pChild, pWin, pHead; + Window *childIDs = (Window *)NULL; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess); + if (rc != Success) + return rc; + memset(&reply, 0, sizeof(xQueryTreeReply)); + reply.type = X_Reply; + reply.root = pWin->drawable.pScreen->root->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 = malloc(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 = bytes_to_int32(numChildren * sizeof(Window)); + + WriteReplyToClient(client, sizeof(xQueryTreeReply), &reply); + if (numChildren) + { + client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; + WriteSwappedDataToClient(client, numChildren * sizeof(Window), childIDs); + free(childIDs); + } + + return Success; +} + +int +ProcInternAtom(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; + memset(&reply, 0, sizeof(xInternAtomReply)); + reply.type = X_Reply; + reply.length = 0; + reply.sequenceNumber = client->sequence; + reply.atom = atom; + WriteReplyToClient(client, sizeof(xInternAtomReply), &reply); + return Success; + } + else + return BadAlloc; +} + +int +ProcGetAtomName(ClientPtr client) +{ + const char *str; + xGetAtomNameReply reply; + int len; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + if ( (str = NameForAtom(stuff->id)) ) + { + len = strlen(str); + memset(&reply, 0, sizeof(xGetAtomNameReply)); + reply.type = X_Reply; + reply.length = bytes_to_int32(len); + reply.sequenceNumber = client->sequence; + reply.nameLength = len; + WriteReplyToClient(client, sizeof(xGetAtomNameReply), &reply); + (void)WriteToClient(client, len, str); + return Success; + } + else + { + client->errorValue = stuff->id; + return BadAtom; + } +} + +int +ProcGrabServer(ClientPtr client) +{ + int rc; + REQUEST_SIZE_MATCH(xReq); + if (grabState != GrabNone && client != grabClient) + { + ResetCurrentRequest(client); + client->sequence--; + BITSET(grabWaiters, client->index); + IgnoreClient(client); + return Success; + } + rc = OnlyListenToOneClient(client); + if (rc != Success) + return rc; + grabState = GrabKickout; + grabClient = client; + + if (ServerGrabCallback) + { + ServerGrabInfoRec grabinfo; + grabinfo.client = client; + grabinfo.grabstate = SERVER_GRABBED; + CallCallbacks(&ServerGrabCallback, (pointer)&grabinfo); + } + + return Success; +} + +static void +UngrabServer(ClientPtr client) +{ + 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(ClientPtr client) +{ + REQUEST_SIZE_MATCH(xReq); + UngrabServer(client); + return Success; +} + +int +ProcTranslateCoords(ClientPtr client) +{ + REQUEST(xTranslateCoordsReq); + + WindowPtr pWin, pDst; + xTranslateCoordsReply rep; + int rc; + + REQUEST_SIZE_MATCH(xTranslateCoordsReq); + rc = dixLookupWindow(&pWin, stuff->srcWid, client, DixGetAttrAccess); + if (rc != Success) + return rc; + rc = dixLookupWindow(&pDst, stuff->dstWid, client, DixGetAttrAccess); + if (rc != Success) + return rc; + memset(&rep, 0, sizeof(xTranslateCoordsReply)); + 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) + { + BoxRec box; + 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)) + /* When a window is shaped, a further check + * is made to see if the point is inside + * borderSize + */ + && (!wBoundingShape(pWin) || + RegionContainsPoint(&pWin->borderSize, x, y, &box)) + + && (!wInputShape(pWin) || + RegionContainsPoint(wInputShape(pWin), + x - pWin->drawable.x, + y - pWin->drawable.y, &box)) + ) + { + 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 Success; +} + +int +ProcOpenFont(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 Success; + } + else + return err; +} + +int +ProcCloseFont(ClientPtr client) +{ + FontPtr pFont; + int rc; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupResourceByType((pointer *)&pFont, stuff->id, RT_FONT, + client, DixDestroyAccess); + if (rc == Success) + { + FreeResource(stuff->id, RT_NONE); + return Success; + } + else + { + client->errorValue = stuff->id; + return rc; + } +} + +int +ProcQueryFont(ClientPtr client) +{ + xQueryFontReply *reply; + FontPtr pFont; + int rc; + REQUEST(xResourceReq); + REQUEST_SIZE_MATCH(xResourceReq); + + rc = dixLookupFontable(&pFont, stuff->id, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + { + 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 = calloc(1, rlength); + if(!reply) + { + return BadAlloc; + } + + reply->type = X_Reply; + reply->length = bytes_to_int32(rlength - sizeof(xGenericReply)); + reply->sequenceNumber = client->sequence; + QueryFont( pFont, reply, nprotoxcistructs); + + WriteReplyToClient(client, rlength, reply); + free(reply); + return Success; + } +} + +int +ProcQueryTextExtents(ClientPtr client) +{ + xQueryTextExtentsReply reply; + FontPtr pFont; + ExtentInfoRec info; + unsigned long length; + int rc; + REQUEST(xQueryTextExtentsReq); + REQUEST_AT_LEAST_SIZE(xQueryTextExtentsReq); + + rc = dixLookupFontable(&pFont, stuff->fid, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + length = client->req_len - bytes_to_int32(sizeof(xQueryTextExtentsReq)); + 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 Success; +} + +int +ProcListFonts(ClientPtr client) +{ + REQUEST(xListFontsReq); + + REQUEST_FIXED_SIZE(xListFontsReq, stuff->nbytes); + + return ListFonts(client, (unsigned char *) &stuff[1], stuff->nbytes, + stuff->maxNames); +} + +int +ProcListFontsWithInfo(ClientPtr client) +{ + REQUEST(xListFontsWithInfoReq); + + REQUEST_FIXED_SIZE(xListFontsWithInfoReq, stuff->nbytes); + + return StartListFontsWithInfo(client, stuff->nbytes, + (unsigned char *) &stuff[1], stuff->maxNames); +} + +/** + * + * \param value must conform to DeleteType + */ +int +dixDestroyPixmap(pointer value, XID pid) +{ + PixmapPtr pPixmap = (PixmapPtr)value; + return (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap); +} + +int +ProcCreatePixmap(ClientPtr client) +{ + PixmapPtr pMap; + DrawablePtr pDraw; + REQUEST(xCreatePixmapReq); + DepthPtr pDepth; + int i, rc; + + REQUEST_SIZE_MATCH(xCreatePixmapReq); + client->errorValue = stuff->pid; + LEGAL_NEW_RESOURCE(stuff->pid, client); + + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, + DixGetAttrAccess); + if (rc != Success) + return rc; + + if (!stuff->width || !stuff->height) + { + client->errorValue = 0; + return BadValue; + } + if (stuff->width > 32767 || stuff->height > 32767) + { + /* It is allowed to try and allocate a pixmap which is larger than + * 32767 in either dimension. However, all of the framebuffer code + * is buggy and does not reliably draw to such big pixmaps, basically + * because the Region data structure operates with signed shorts + * for the rectangles in it. + * + * Furthermore, several places in the X server computes the + * size in bytes of the pixmap and tries to store it in an + * integer. This integer can overflow and cause the allocated size + * to be much smaller. + * + * So, such big pixmaps are rejected here with a BadAlloc + */ + return BadAlloc; + } + 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, 0); + if (pMap) + { + pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER; + pMap->drawable.id = stuff->pid; + /* security creation/labeling check */ + rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, RT_PIXMAP, + pMap, RT_NONE, NULL, DixCreateAccess); + if (rc != Success) { + (*pDraw->pScreen->DestroyPixmap)(pMap); + return rc; + } + if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap)) + return Success; + (*pDraw->pScreen->DestroyPixmap)(pMap); + } + return BadAlloc; +} + +int +ProcFreePixmap(ClientPtr client) +{ + PixmapPtr pMap; + int rc; + REQUEST(xResourceReq); + REQUEST_SIZE_MATCH(xResourceReq); + + rc = dixLookupResourceByType((pointer *)&pMap, stuff->id, RT_PIXMAP, client, + DixDestroyAccess); + if (rc == Success) + { + FreeResource(stuff->id, RT_NONE); + return Success; + } + else + { + client->errorValue = stuff->id; + return rc; + } +} + +int +ProcCreateGC(ClientPtr client) +{ + int error, rc; + GC *pGC; + DrawablePtr pDraw; + unsigned len; + REQUEST(xCreateGCReq); + + REQUEST_AT_LEAST_SIZE(xCreateGCReq); + client->errorValue = stuff->gc; + LEGAL_NEW_RESOURCE(stuff->gc, client); + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + + len = client->req_len - bytes_to_int32(sizeof(xCreateGCReq)); + if (len != Ones(stuff->mask)) + return BadLength; + pGC = (GC *)CreateGC(pDraw, stuff->mask, (XID *) &stuff[1], &error, + stuff->gc, client); + if (error != Success) + return error; + if (!AddResource(stuff->gc, RT_GC, (pointer)pGC)) + return BadAlloc; + return Success; +} + +int +ProcChangeGC(ClientPtr client) +{ + GC *pGC; + int result; + unsigned len; + REQUEST(xChangeGCReq); + REQUEST_AT_LEAST_SIZE(xChangeGCReq); + + result = dixLookupGC(&pGC, stuff->gc, client, DixSetAttrAccess); + if (result != Success) + return result; + + len = client->req_len - bytes_to_int32(sizeof(xChangeGCReq)); + if (len != Ones(stuff->mask)) + return BadLength; + + return ChangeGCXIDs(client, pGC, stuff->mask, (CARD32 *) &stuff[1]); +} + +int +ProcCopyGC(ClientPtr client) +{ + GC *dstGC; + GC *pGC; + int result; + REQUEST(xCopyGCReq); + REQUEST_SIZE_MATCH(xCopyGCReq); + + result = dixLookupGC(&pGC, stuff->srcGC, client, DixGetAttrAccess); + if (result != Success) + return result; + result = dixLookupGC(&dstGC, stuff->dstGC, client, DixSetAttrAccess); + if (result != Success) + return result; + if ((dstGC->pScreen != pGC->pScreen) || (dstGC->depth != pGC->depth)) + return BadMatch; + if (stuff->mask & ~GCAllBits) + { + client->errorValue = stuff->mask; + return BadValue; + } + return CopyGC(pGC, dstGC, stuff->mask); +} + +int +ProcSetDashes(ClientPtr client) +{ + GC *pGC; + int result; + REQUEST(xSetDashesReq); + + REQUEST_FIXED_SIZE(xSetDashesReq, stuff->nDashes); + if (stuff->nDashes == 0) + { + client->errorValue = 0; + return BadValue; + } + + result = dixLookupGC(&pGC,stuff->gc, client, DixSetAttrAccess); + if (result != Success) + return result; + + /* If there's an error, either there's no sensible errorValue, + * or there was a dash segment of 0. */ + client->errorValue = 0; + return SetDashes(pGC, stuff->dashOffset, stuff->nDashes, + (unsigned char *)&stuff[1]); +} + +int +ProcSetClipRectangles(ClientPtr client) +{ + int nr, result; + 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; + } + result = dixLookupGC(&pGC,stuff->gc, client, DixSetAttrAccess); + if (result != Success) + return result; + + nr = (client->req_len << 2) - sizeof(xSetClipRectanglesReq); + if (nr & 4) + return BadLength; + nr >>= 3; + return SetClipRects(pGC, stuff->xOrigin, stuff->yOrigin, + nr, (xRectangle *)&stuff[1], (int)stuff->ordering); +} + +int +ProcFreeGC(ClientPtr client) +{ + GC *pGC; + int rc; + REQUEST(xResourceReq); + REQUEST_SIZE_MATCH(xResourceReq); + + rc = dixLookupGC(&pGC, stuff->id, client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->id, RT_NONE); + return Success; +} + +int +ProcClearToBackground(ClientPtr client) +{ + REQUEST(xClearAreaReq); + WindowPtr pWin; + int rc; + + REQUEST_SIZE_MATCH(xClearAreaReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess); + if (rc != Success) + return rc; + 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 Success; +} + +int +ProcCopyArea(ClientPtr client) +{ + DrawablePtr pDst; + DrawablePtr pSrc; + GC *pGC; + REQUEST(xCopyAreaReq); + RegionPtr pRgn; + int rc; + + REQUEST_SIZE_MATCH(xCopyAreaReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, DixWriteAccess); + if (stuff->dstDrawable != stuff->srcDrawable) + { + rc = dixLookupDrawable(&pSrc, stuff->srcDrawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + if ((pDst->pScreen != pSrc->pScreen) || (pDst->depth != pSrc->depth)) + { + client->errorValue = stuff->dstDrawable; + return BadMatch; + } + } + else + pSrc = pDst; + + 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) + RegionDestroy(pRgn); + } + + return Success; +} + +int +ProcCopyPlane(ClientPtr client) +{ + DrawablePtr psrcDraw, pdstDraw; + GC *pGC; + REQUEST(xCopyPlaneReq); + RegionPtr pRgn; + int rc; + + REQUEST_SIZE_MATCH(xCopyPlaneReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, DixWriteAccess); + if (stuff->dstDrawable != stuff->srcDrawable) + { + rc = dixLookupDrawable(&psrcDraw, stuff->srcDrawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + if (pdstDraw->pScreen != psrcDraw->pScreen) + { + client->errorValue = stuff->dstDrawable; + return BadMatch; + } + } + else + psrcDraw = pdstDraw; + + /* 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) + RegionDestroy(pRgn); + } + return Success; +} + +int +ProcPolyPoint(ClientPtr client) +{ + int npoint; + GC *pGC; + 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, DixWriteAccess); + npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyPointReq)); + if (npoint) + (*pGC->ops->PolyPoint)(pDraw, pGC, stuff->coordMode, npoint, + (xPoint *) &stuff[1]); + return Success; +} + +int +ProcPolyLine(ClientPtr client) +{ + int npoint; + GC *pGC; + 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, DixWriteAccess); + npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyLineReq)); + if (npoint > 1) + (*pGC->ops->Polylines)(pDraw, pGC, stuff->coordMode, npoint, + (DDXPointPtr) &stuff[1]); + return Success; +} + +int +ProcPolySegment(ClientPtr client) +{ + int nsegs; + GC *pGC; + DrawablePtr pDraw; + REQUEST(xPolySegmentReq); + + REQUEST_AT_LEAST_SIZE(xPolySegmentReq); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + 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 Success; +} + +int +ProcPolyRectangle (ClientPtr client) +{ + int nrects; + GC *pGC; + DrawablePtr pDraw; + REQUEST(xPolyRectangleReq); + + REQUEST_AT_LEAST_SIZE(xPolyRectangleReq); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + 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 Success; +} + +int +ProcPolyArc(ClientPtr client) +{ + int narcs; + GC *pGC; + DrawablePtr pDraw; + REQUEST(xPolyArcReq); + + REQUEST_AT_LEAST_SIZE(xPolyArcReq); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + 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 Success; +} + +int +ProcFillPoly(ClientPtr client) +{ + int things; + GC *pGC; + 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, DixWriteAccess); + things = bytes_to_int32((client->req_len << 2) - sizeof(xFillPolyReq)); + if (things) + (*pGC->ops->FillPolygon) (pDraw, pGC, stuff->shape, + stuff->coordMode, things, + (DDXPointPtr) &stuff[1]); + return Success; +} + +int +ProcPolyFillRectangle(ClientPtr client) +{ + int things; + GC *pGC; + DrawablePtr pDraw; + REQUEST(xPolyFillRectangleReq); + + REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + 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 Success; +} + +int +ProcPolyFillArc(ClientPtr client) +{ + int narcs; + GC *pGC; + DrawablePtr pDraw; + REQUEST(xPolyFillArcReq); + + REQUEST_AT_LEAST_SIZE(xPolyFillArcReq); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + 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 Success; +} + +#ifdef MATCH_CLIENT_ENDIAN + +int +ServerOrder (void) +{ + int whichbyte = 1; + + if (*((char *) &whichbyte)) + return LSBFirst; + return MSBFirst; +} + +#define ClientOrder(client) ((client)->swapped ? !ServerOrder() : ServerOrder()) + +void +ReformatImage (char *base, int nbytes, int bpp, int order) +{ + switch (bpp) { + case 1: /* yuck */ + if (BITMAP_BIT_ORDER != order) + BitOrderInvert ((unsigned char *) base, nbytes); +#if IMAGE_BYTE_ORDER != BITMAP_BIT_ORDER && BITMAP_SCANLINE_UNIT != 8 + ReformatImage (base, nbytes, BITMAP_SCANLINE_UNIT, order); +#endif + break; + case 4: + break; /* yuck */ + case 8: + break; + case 16: + if (IMAGE_BYTE_ORDER != order) + TwoByteSwap ((unsigned char *) base, nbytes); + break; + case 32: + if (IMAGE_BYTE_ORDER != order) + FourByteSwap ((unsigned char *) base, nbytes); + break; + } +} +#else +#define ReformatImage(b,n,bpp,o) +#endif + +/* 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(ClientPtr client) +{ + GC *pGC; + 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, DixWriteAccess); + if (stuff->format == XYBitmap) + { + if ((stuff->depth != 1) || + (stuff->leftPad >= (unsigned int)screenInfo.bitmapScanlinePad)) + return BadMatch; + length = BitmapBytePad(stuff->width + stuff->leftPad); + } + 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; + } + else if (stuff->format == ZPixmap) + { + if ((pDraw->depth != stuff->depth) || (stuff->leftPad != 0)) + return BadMatch; + length = PixmapBytePad(stuff->width, stuff->depth); + } + else + { + client->errorValue = stuff->format; + return BadValue; + } + + tmpImage = (char *)&stuff[1]; + lengthProto = length; + + if ((bytes_to_int32(lengthProto * stuff->height) + + bytes_to_int32(sizeof(xPutImageReq))) != client->req_len) + return BadLength; + + ReformatImage (tmpImage, lengthProto * stuff->height, + stuff->format == ZPixmap ? BitsPerPixel (stuff->depth) : 1, + ClientOrder(client)); + + (*pGC->ops->PutImage) (pDraw, pGC, stuff->depth, stuff->dstX, stuff->dstY, + stuff->width, stuff->height, + stuff->leftPad, stuff->format, tmpImage); + + return Success; +} + +static int +DoGetImage(ClientPtr client, int format, Drawable drawable, + int x, int y, int width, int height, + Mask planemask, xGetImageReply **im_return) +{ + DrawablePtr pDraw, pBoundingDraw; + int nlines, linesPerBuf, rc; + int linesDone; + /* coordinates relative to the bounding drawable */ + int relx, rely; + long widthBytesLine, length; + Mask plane = 0; + char *pBuf; + xGetImageReply xgi; + RegionPtr pVisibleRegion = NULL; + + if ((format != XYPixmap) && (format != ZPixmap)) + { + client->errorValue = format; + return BadValue; + } + rc = dixLookupDrawable(&pDraw, drawable, client, 0, DixReadAccess); + if (rc != Success) + return rc; + + memset(&xgi, 0, sizeof(xGetImageReply)); + + relx = x; + rely = y; + + if(pDraw->type == DRAWABLE_WINDOW) + { + WindowPtr pWin = (WindowPtr)pDraw; + + /* "If the drawable is a window, the window must be viewable ... or a + * BadMatch error results" */ + if (!pWin->viewable) + return BadMatch; + + relx += pDraw->x; + rely += pDraw->y; + + if (pDraw->pScreen->GetWindowPixmap) { + PixmapPtr pPix = (*pDraw->pScreen->GetWindowPixmap) (pWin); + + pBoundingDraw = &pPix->drawable; +#ifdef COMPOSITE + relx -= pPix->screen_x; + rely -= pPix->screen_y; +#endif + } + else + { + pBoundingDraw = (DrawablePtr)pDraw->pScreen->root; + } + + xgi.visual = wVisual (pWin); + } + else + { + pBoundingDraw = pDraw; + xgi.visual = None; + } + + /* "If the drawable is a pixmap, the given rectangle must be wholly + * contained within the pixmap, or a BadMatch error results. If the + * drawable is a window [...] it must be the case that if there were no + * inferiors or overlapping windows, the specified rectangle of the window + * would be fully visible on the screen and wholly contained within the + * outside edges of the window, or a BadMatch error results." + * + * We relax the window case slightly to mean that the rectangle must exist + * within the bounds of the window's backing pixmap. In particular, this + * means that a GetImage request may succeed or fail with BadMatch depending + * on whether any of its ancestor windows are redirected. */ + if(relx < 0 || relx + width > (int)pBoundingDraw->width || + rely < 0 || rely + height > (int)pBoundingDraw->height) + return BadMatch; + + xgi.type = X_Reply; + xgi.sequenceNumber = client->sequence; + xgi.depth = pDraw->depth; + if(format == ZPixmap) + { + widthBytesLine = PixmapBytePad(width, pDraw->depth); + length = widthBytesLine * height; + + } + else + { + widthBytesLine = BitmapBytePad(width); + plane = ((Mask)1) << (pDraw->depth - 1); + /* only planes asked for */ + length = widthBytesLine * height * + Ones(planemask & (plane | (plane - 1))); + + } + + xgi.length = length; + + if (im_return) { + pBuf = calloc(1, 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 = bytes_to_int32(xgi.length); + 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 & ((1L << LOG2_BYTES_PER_SCANLINE_PAD)-1))) + { + linesPerBuf--; + length -= widthBytesLine; + } + while (length & ((1L << LOG2_BYTES_PER_SCANLINE_PAD)-1)) + { + linesPerBuf++; + length += widthBytesLine; + } + } + if(!(pBuf = calloc(1, length))) + return BadAlloc; + WriteReplyToClient(client, sizeof (xGetImageReply), &xgi); + } + + if (pDraw->type == DRAWABLE_WINDOW) + { + pVisibleRegion = NotClippedByChildren((WindowPtr)pDraw); + if (pVisibleRegion) + { + RegionTranslate(pVisibleRegion, -pDraw->x, -pDraw->y); + } + } + + 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); + if (pVisibleRegion) + XaceCensorImage(client, pVisibleRegion, widthBytesLine, + pDraw, x, y + linesDone, width, + nlines, format, pBuf); + + /* Note that this is NOT a call to WriteSwappedDataToClient, + as we do NOT byte swap */ + if (!im_return) + { + ReformatImage (pBuf, (int)(nlines * widthBytesLine), + BitsPerPixel (pDraw->depth), + ClientOrder(client)); + +/* Don't split me, gcc pukes when you do */ + (void)WriteToClient(client, + (int)(nlines * widthBytesLine), + pBuf); + } + 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); + if (pVisibleRegion) + XaceCensorImage(client, pVisibleRegion, + widthBytesLine, + pDraw, x, y + linesDone, width, + nlines, format, pBuf); + + /* Note: NOT a call to WriteSwappedDataToClient, + as we do NOT byte swap */ + if (im_return) { + pBuf += nlines * widthBytesLine; + } else { + ReformatImage (pBuf, + (int)(nlines * widthBytesLine), + 1, + ClientOrder (client)); + +/* Don't split me, gcc pukes when you do */ + (void)WriteToClient(client, + (int)(nlines * widthBytesLine), + pBuf); + } + linesDone += nlines; + } + } + } + } + if (pVisibleRegion) + RegionDestroy(pVisibleRegion); + if (!im_return) + free(pBuf); + return Success; +} + +int +ProcGetImage(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(ClientPtr client) +{ + int err; + REQUEST(xPolyTextReq); + DrawablePtr pDraw; + GC *pGC; + + REQUEST_AT_LEAST_SIZE(xPolyTextReq); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + + 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 Success; + } + else + return err; +} + +int +ProcImageText8(ClientPtr client) +{ + int err; + DrawablePtr pDraw; + GC *pGC; + + REQUEST(xImageTextReq); + + REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + + err = ImageText(client, + pDraw, + pGC, + stuff->nChars, + (unsigned char *)&stuff[1], + stuff->x, + stuff->y, + stuff->reqType, + stuff->drawable); + + if (err == Success) + { + return Success; + } + else + return err; +} + +int +ProcImageText16(ClientPtr client) +{ + int err; + DrawablePtr pDraw; + GC *pGC; + + REQUEST(xImageTextReq); + + REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + + err = ImageText(client, + pDraw, + pGC, + stuff->nChars, + (unsigned char *)&stuff[1], + stuff->x, + stuff->y, + stuff->reqType, + stuff->drawable); + + if (err == Success) + { + return Success; + } + else + return err; +} + + +int +ProcCreateColormap(ClientPtr client) +{ + VisualPtr pVisual; + ColormapPtr pmap; + Colormap mid; + 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); + result = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (result != Success) + return result; + + pScreen = pWin->drawable.pScreen; + for (i = 0, pVisual = pScreen->visuals; + i < pScreen->numVisuals; + i++, pVisual++) + { + if (pVisual->vid != stuff->visual) + continue; + return CreateColormap(mid, pScreen, pVisual, &pmap, + (int)stuff->alloc, client->index); + } + client->errorValue = stuff->visual; + return BadMatch; +} + +int +ProcFreeColormap(ClientPtr client) +{ + ColormapPtr pmap; + int rc; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupResourceByType((pointer *)&pmap, stuff->id, RT_COLORMAP, client, + DixDestroyAccess); + if (rc == Success) + { + /* Freeing a default colormap is a no-op */ + if (!(pmap->flags & IsDefault)) + FreeResource(stuff->id, RT_NONE); + return Success; + } + else + { + client->errorValue = stuff->id; + return rc; + } +} + + +int +ProcCopyColormapAndFree(ClientPtr client) +{ + Colormap mid; + ColormapPtr pSrcMap; + REQUEST(xCopyColormapAndFreeReq); + int rc; + + REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq); + mid = stuff->mid; + LEGAL_NEW_RESOURCE(mid, client); + rc = dixLookupResourceByType((pointer *)&pSrcMap, stuff->srcCmap, RT_COLORMAP, + client, DixReadAccess|DixRemoveAccess); + if (rc == Success) + return CopyColormapAndFree(mid, pSrcMap, client->index); + client->errorValue = stuff->srcCmap; + return rc; +} + +int +ProcInstallColormap(ClientPtr client) +{ + ColormapPtr pcmp; + int rc; + REQUEST(xResourceReq); + REQUEST_SIZE_MATCH(xResourceReq); + + rc = dixLookupResourceByType((pointer *)&pcmp, stuff->id, RT_COLORMAP, client, + DixInstallAccess); + if (rc != Success) + goto out; + + rc = XaceHook(XACE_SCREEN_ACCESS, client, pcmp->pScreen, DixSetAttrAccess); + if (rc != Success) { + if (rc == BadValue) + rc = BadColor; + goto out; + } + + (*(pcmp->pScreen->InstallColormap)) (pcmp); + return Success; + +out: + client->errorValue = stuff->id; + return rc; +} + +int +ProcUninstallColormap(ClientPtr client) +{ + ColormapPtr pcmp; + int rc; + REQUEST(xResourceReq); + REQUEST_SIZE_MATCH(xResourceReq); + + rc = dixLookupResourceByType((pointer *)&pcmp, stuff->id, RT_COLORMAP, client, + DixUninstallAccess); + if (rc != Success) + goto out; + + rc = XaceHook(XACE_SCREEN_ACCESS, client, pcmp->pScreen, DixSetAttrAccess); + if (rc != Success) { + if (rc == BadValue) + rc = BadColor; + goto out; + } + + if(pcmp->mid != pcmp->pScreen->defColormap) + (*(pcmp->pScreen->UninstallColormap)) (pcmp); + return Success; + +out: + client->errorValue = stuff->id; + return rc; +} + +int +ProcListInstalledColormaps(ClientPtr client) +{ + xListInstalledColormapsReply *preply; + int nummaps, rc; + WindowPtr pWin; + REQUEST(xResourceReq); + REQUEST_SIZE_MATCH(xResourceReq); + + rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + rc = XaceHook(XACE_SCREEN_ACCESS, client, pWin->drawable.pScreen, + DixGetAttrAccess); + if (rc != Success) + return rc; + + preply = malloc(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]); + free(preply); + return Success; +} + +int +ProcAllocColor (ClientPtr client) +{ + ColormapPtr pmap; + int rc; + xAllocColorReply acr; + REQUEST(xAllocColorReq); + + REQUEST_SIZE_MATCH(xAllocColorReq); + rc = dixLookupResourceByType((pointer *)&pmap, stuff->cmap, RT_COLORMAP, client, + DixAddAccess); + if (rc == Success) + { + 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( (rc = AllocColor(pmap, &acr.red, &acr.green, &acr.blue, + &acr.pixel, client->index)) ) + return rc; +#ifdef PANORAMIX + if (noPanoramiXExtension || !pmap->pScreen->myNum) +#endif + WriteReplyToClient(client, sizeof(xAllocColorReply), &acr); + return Success; + + } + else + { + client->errorValue = stuff->cmap; + return rc; + } +} + +int +ProcAllocNamedColor (ClientPtr client) +{ + ColormapPtr pcmp; + int rc; + REQUEST(xAllocNamedColorReq); + + REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes); + rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixAddAccess); + if (rc == Success) + { + xAllocNamedColorReply ancr; + + 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( (rc = AllocColor(pcmp, + &ancr.screenRed, &ancr.screenGreen, &ancr.screenBlue, + &ancr.pixel, client->index)) ) + return rc; +#ifdef PANORAMIX + if (noPanoramiXExtension || !pcmp->pScreen->myNum) +#endif + WriteReplyToClient(client, sizeof (xAllocNamedColorReply), &ancr); + return Success; + } + else + return BadName; + + } + else + { + client->errorValue = stuff->cmap; + return rc; + } +} + +int +ProcAllocColorCells (ClientPtr client) +{ + ColormapPtr pcmp; + int rc; + REQUEST(xAllocColorCellsReq); + + REQUEST_SIZE_MATCH(xAllocColorCellsReq); + rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixAddAccess); + if (rc == Success) + { + xAllocColorCellsReply accr; + int npixels, nmasks; + long length; + Pixel *ppixels, *pmasks; + + 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 = malloc(length); + if(!ppixels) + return BadAlloc; + pmasks = ppixels + npixels; + + if( (rc = AllocColorCells(client->index, pcmp, npixels, nmasks, + (Bool)stuff->contiguous, ppixels, pmasks)) ) + { + free(ppixels); + return rc; + } +#ifdef PANORAMIX + if (noPanoramiXExtension || !pcmp->pScreen->myNum) +#endif + { + accr.type = X_Reply; + accr.length = bytes_to_int32(length); + accr.sequenceNumber = client->sequence; + accr.nPixels = npixels; + accr.nMasks = nmasks; + WriteReplyToClient(client, sizeof (xAllocColorCellsReply), &accr); + client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; + WriteSwappedDataToClient(client, length, ppixels); + } + free(ppixels); + return Success; + } + else + { + client->errorValue = stuff->cmap; + return rc; + } +} + +int +ProcAllocColorPlanes(ClientPtr client) +{ + ColormapPtr pcmp; + int rc; + REQUEST(xAllocColorPlanesReq); + + REQUEST_SIZE_MATCH(xAllocColorPlanesReq); + rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixAddAccess); + if (rc == Success) + { + xAllocColorPlanesReply acpr; + int npixels; + long length; + Pixel *ppixels; + + 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 = malloc(length); + if(!ppixels) + return BadAlloc; + if( (rc = AllocColorPlanes(client->index, pcmp, npixels, + (int)stuff->red, (int)stuff->green, (int)stuff->blue, + (Bool)stuff->contiguous, ppixels, + &acpr.redMask, &acpr.greenMask, &acpr.blueMask)) ) + { + free(ppixels); + return rc; + } + acpr.length = bytes_to_int32(length); +#ifdef PANORAMIX + if (noPanoramiXExtension || !pcmp->pScreen->myNum) +#endif + { + WriteReplyToClient(client, sizeof(xAllocColorPlanesReply), &acpr); + client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; + WriteSwappedDataToClient(client, length, ppixels); + } + free(ppixels); + return Success; + } + else + { + client->errorValue = stuff->cmap; + return rc; + } +} + +int +ProcFreeColors(ClientPtr client) +{ + ColormapPtr pcmp; + int rc; + REQUEST(xFreeColorsReq); + + REQUEST_AT_LEAST_SIZE(xFreeColorsReq); + rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixRemoveAccess); + if (rc == Success) + { + int count; + + if(pcmp->flags & AllAllocated) + return BadAccess; + count = bytes_to_int32((client->req_len << 2) - sizeof(xFreeColorsReq)); + return FreeColors(pcmp, client->index, count, + (Pixel *)&stuff[1], (Pixel)stuff->planeMask); + } + else + { + client->errorValue = stuff->cmap; + return rc; + } +} + +int +ProcStoreColors (ClientPtr client) +{ + ColormapPtr pcmp; + int rc; + REQUEST(xStoreColorsReq); + + REQUEST_AT_LEAST_SIZE(xStoreColorsReq); + rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixWriteAccess); + if (rc == Success) + { + int count; + + count = (client->req_len << 2) - sizeof(xStoreColorsReq); + if (count % sizeof(xColorItem)) + return BadLength; + count /= sizeof(xColorItem); + return StoreColors(pcmp, count, (xColorItem *)&stuff[1], client); + } + else + { + client->errorValue = stuff->cmap; + return rc; + } +} + +int +ProcStoreNamedColor (ClientPtr client) +{ + ColormapPtr pcmp; + int rc; + REQUEST(xStoreNamedColorReq); + + REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes); + rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixWriteAccess); + if (rc == Success) + { + xColorItem def; + + if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1], + stuff->nbytes, &def.red, &def.green, &def.blue)) + { + def.flags = stuff->flags; + def.pixel = stuff->pixel; + return StoreColors(pcmp, 1, &def, client); + } + return BadName; + } + else + { + client->errorValue = stuff->cmap; + return rc; + } +} + +int +ProcQueryColors(ClientPtr client) +{ + ColormapPtr pcmp; + int rc; + REQUEST(xQueryColorsReq); + + REQUEST_AT_LEAST_SIZE(xQueryColorsReq); + rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixReadAccess); + if (rc == Success) + { + int count; + xrgb *prgbs; + xQueryColorsReply qcr; + + count = bytes_to_int32((client->req_len << 2) - sizeof(xQueryColorsReq)); + prgbs = calloc(1, count * sizeof(xrgb)); + if(!prgbs && count) + return BadAlloc; + if( (rc = QueryColors(pcmp, count, (Pixel *)&stuff[1], prgbs, client)) ) + { + free(prgbs); + return rc; + } + memset(&qcr, 0, sizeof(xQueryColorsReply)); + qcr.type = X_Reply; + qcr.length = bytes_to_int32(count * sizeof(xrgb)); + qcr.sequenceNumber = client->sequence; + qcr.nColors = count; + WriteReplyToClient(client, sizeof(xQueryColorsReply), &qcr); + if (count) + { + client->pSwapReplyFunc = (ReplySwapPtr) SQColorsExtend; + WriteSwappedDataToClient(client, count * sizeof(xrgb), prgbs); + } + free(prgbs); + return Success; + + } + else + { + client->errorValue = stuff->cmap; + return rc; + } +} + +int +ProcLookupColor(ClientPtr client) +{ + ColormapPtr pcmp; + int rc; + REQUEST(xLookupColorReq); + + REQUEST_FIXED_SIZE(xLookupColorReq, stuff->nbytes); + rc = dixLookupResourceByType((pointer *)&pcmp, stuff->cmap, RT_COLORMAP, client, + DixReadAccess); + if (rc == Success) + { + 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 Success; + } + return BadName; + } + else + { + client->errorValue = stuff->cmap; + return rc; + } +} + +int +ProcCreateCursor (ClientPtr client) +{ + CursorPtr pCursor; + PixmapPtr src; + PixmapPtr msk; + unsigned char * srcbits; + unsigned char * mskbits; + unsigned short width, height; + long n; + CursorMetricRec cm; + int rc; + + REQUEST(xCreateCursorReq); + + REQUEST_SIZE_MATCH(xCreateCursorReq); + LEGAL_NEW_RESOURCE(stuff->cid, client); + + rc = dixLookupResourceByType((pointer *)&src, stuff->source, RT_PIXMAP, client, + DixReadAccess); + if (rc != Success) { + client->errorValue = stuff->source; + return rc; + } + + rc = dixLookupResourceByType((pointer *)&msk, stuff->mask, RT_PIXMAP, client, + DixReadAccess); + if (rc != Success) + { + if (stuff->mask != None) + { + client->errorValue = stuff->mask; + return rc; + } + } + 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 = calloc(1, n); + if (!srcbits) + return BadAlloc; + mskbits = malloc(n); + if (!mskbits) + { + free(srcbits); + return BadAlloc; + } + + (* src->drawable.pScreen->GetImage)( (DrawablePtr)src, 0, 0, width, height, + XYPixmap, 1, (pointer)srcbits); + if ( msk == (PixmapPtr)NULL) + { + unsigned char *bits = mskbits; + while (--n >= 0) + *bits++ = ~0; + } + else + { + /* zeroing the (pad) bits helps some ddx cursor handling */ + memset((char *)mskbits, 0, 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; + rc = AllocARGBCursor(srcbits, mskbits, NULL, &cm, + stuff->foreRed, stuff->foreGreen, stuff->foreBlue, + stuff->backRed, stuff->backGreen, stuff->backBlue, + &pCursor, client, stuff->cid); + + if (rc != Success) + return rc; + if (!AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor)) + return BadAlloc; + + return Success; +} + +int +ProcCreateGlyphCursor (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, stuff->cid); + if (res != Success) + return res; + if (AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor)) + return Success; + return BadAlloc; +} + + +int +ProcFreeCursor (ClientPtr client) +{ + CursorPtr pCursor; + int rc; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupResourceByType((pointer *)&pCursor, stuff->id, RT_CURSOR, client, + DixDestroyAccess); + if (rc == Success) + { + FreeResource(stuff->id, RT_NONE); + return Success; + } + else + { + client->errorValue = stuff->id; + return rc; + } +} + +int +ProcQueryBestSize (ClientPtr client) +{ + xQueryBestSizeReply reply; + DrawablePtr pDraw; + ScreenPtr pScreen; + int rc; + REQUEST(xQueryBestSizeReq); + REQUEST_SIZE_MATCH(xQueryBestSizeReq); + + if ((stuff->class != CursorShape) && + (stuff->class != TileShape) && + (stuff->class != StippleShape)) + { + client->errorValue = stuff->class; + return BadValue; + } + + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, + DixGetAttrAccess); + if (rc != Success) + return rc; + if (stuff->class != CursorShape && pDraw->type == UNDRAWABLE_WINDOW) + return BadMatch; + pScreen = pDraw->pScreen; + rc = XaceHook(XACE_SCREEN_ACCESS, client, pScreen, DixGetAttrAccess); + if (rc != Success) + return rc; + (* pScreen->QueryBestSize)(stuff->class, &stuff->width, + &stuff->height, pScreen); + memset(&reply, 0, sizeof(xQueryBestSizeReply)); + 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 Success; +} + + +int +ProcSetScreenSaver (ClientPtr client) +{ + int rc, i, blankingOption, exposureOption; + REQUEST(xSetScreenSaverReq); + REQUEST_SIZE_MATCH(xSetScreenSaverReq); + + for (i = 0; i < screenInfo.numScreens; i++) { + rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i], + DixSetAttrAccess); + if (rc != Success) + return rc; + } + + 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; + + SetScreenSaverTimer(); + return Success; +} + +int +ProcGetScreenSaver(ClientPtr client) +{ + xGetScreenSaverReply rep; + int rc, i; + REQUEST_SIZE_MATCH(xReq); + + for (i = 0; i < screenInfo.numScreens; i++) { + rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i], + DixGetAttrAccess); + if (rc != Success) + return rc; + } + + 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 Success; +} + +int +ProcChangeHosts(ClientPtr client) +{ + REQUEST(xChangeHostsReq); + + REQUEST_FIXED_SIZE(xChangeHostsReq, stuff->hostLength); + + if(stuff->mode == HostInsert) + return AddHost(client, (int)stuff->hostFamily, + stuff->hostLength, (pointer)&stuff[1]); + if (stuff->mode == HostDelete) + return RemoveHost(client, (int)stuff->hostFamily, + stuff->hostLength, (pointer)&stuff[1]); + client->errorValue = stuff->mode; + return BadValue; +} + +int +ProcListHosts(ClientPtr client) +{ + xListHostsReply reply; + int len, nHosts, result; + pointer pdata; + /* REQUEST(xListHostsReq); */ + + REQUEST_SIZE_MATCH(xListHostsReq); + + /* untrusted clients can't list hosts */ + result = XaceHook(XACE_SERVER_ACCESS, client, DixReadAccess); + if (result != Success) + return result; + + 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 = bytes_to_int32(len); + WriteReplyToClient(client, sizeof(xListHostsReply), &reply); + if (nHosts) + { + client->pSwapReplyFunc = (ReplySwapPtr) SLHostsExtend; + WriteSwappedDataToClient(client, len, pdata); + } + free(pdata); + return Success; +} + +int +ProcChangeAccessControl(ClientPtr client) +{ + REQUEST(xSetAccessControlReq); + + REQUEST_SIZE_MATCH(xSetAccessControlReq); + if ((stuff->mode != EnableAccess) && (stuff->mode != DisableAccess)) + { + client->errorValue = stuff->mode; + return BadValue; + } + return ChangeAccessControl(client, stuff->mode == EnableAccess); +} + +/********************* + * CloseDownRetainedResources + * + * Find all clients that are gone and have terminated in RetainTemporary + * and destroy their resources. + *********************/ + +static void +CloseDownRetainedResources(void) +{ + int i; + ClientPtr client; + + for (i=1; i<currentMaxClients; i++) + { + client = clients[i]; + if (client && (client->closeDownMode == RetainTemporary) + && (client->clientGone)) + CloseDownClient(client); + } +} + +int +ProcKillClient(ClientPtr client) +{ + REQUEST(xResourceReq); + ClientPtr killclient; + int rc; + + REQUEST_SIZE_MATCH(xResourceReq); + if (stuff->id == AllTemporary) + { + CloseDownRetainedResources(); + return Success; + } + + rc = dixLookupClient(&killclient, stuff->id, client, DixDestroyAccess); + if (rc == Success) { + 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 Success; + } + else + return rc; +} + +int +ProcSetFontPath(ClientPtr client) +{ + unsigned char *ptr; + unsigned long nbytes, total; + long nfonts; + int n; + 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; + return SetFontPath(client, stuff->nFonts, (unsigned char *)&stuff[1]); +} + +int +ProcGetFontPath(ClientPtr client) +{ + xGetFontPathReply reply; + int rc, stringLens, numpaths; + unsigned char *bufferStart; + /* REQUEST (xReq); */ + + REQUEST_SIZE_MATCH(xReq); + rc = GetFontPath(client, &numpaths, &stringLens, &bufferStart); + if (rc != Success) + return rc; + + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; + reply.length = bytes_to_int32(stringLens + numpaths); + reply.nPaths = numpaths; + + WriteReplyToClient(client, sizeof(xGetFontPathReply), &reply); + if (stringLens || numpaths) + (void)WriteToClient(client, stringLens + numpaths, (char *)bufferStart); + return Success; +} + +int +ProcChangeCloseDownMode(ClientPtr client) +{ + int rc; + REQUEST(xSetCloseDownModeReq); + REQUEST_SIZE_MATCH(xSetCloseDownModeReq); + + rc = XaceHook(XACE_CLIENT_ACCESS, client, client, DixManageAccess); + if (rc != Success) + return rc; + + if ((stuff->mode == AllTemporary) || + (stuff->mode == RetainPermanent) || + (stuff->mode == RetainTemporary)) + { + client->closeDownMode = stuff->mode; + return Success; + } + else + { + client->errorValue = stuff->mode; + return BadValue; + } +} + +int ProcForceScreenSaver(ClientPtr client) +{ + int rc; + REQUEST(xForceScreenSaverReq); + + REQUEST_SIZE_MATCH(xForceScreenSaverReq); + + if ((stuff->mode != ScreenSaverReset) && + (stuff->mode != ScreenSaverActive)) + { + client->errorValue = stuff->mode; + return BadValue; + } + rc = dixSaveScreens(client, SCREEN_SAVER_FORCER, (int)stuff->mode); + if (rc != Success) + return rc; + return Success; +} + +int ProcNoOperation(ClientPtr client) +{ + REQUEST_AT_LEAST_SIZE(xReq); + + /* noop -- don't do anything */ + return Success; +} + +/********************** + * CloseDownClient + * + * Client can either mark his resources destroy or retain. If retained and + * then killed again, the client is really destroyed. + *********************/ + +char dispatchExceptionAtReset = DE_RESET; + +void +CloseDownClient(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(); + 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) + dispatchException |= dispatchExceptionAtReset; + + client->clientState = ClientStateGone; + if (ClientStateCallback) + { + NewClientInfoRec clientinfo; + + clientinfo.client = client; + clientinfo.prefix = (xConnSetupPrefix *)NULL; + clientinfo.setup = (xConnSetup *) NULL; + CallCallbacks((&ClientStateCallback), (pointer)&clientinfo); + } + FreeClientResources(client); + /* Disable client ID tracking. This must be done after + * ClientStateCallback. */ + ReleaseClientIds(client); +#ifdef XSERVER_DTRACE + XSERVER_CLIENT_DISCONNECT(client->index); +#endif + if (client->index < nextFreeClientID) + nextFreeClientID = client->index; + clients[client->index] = NullClient; + SmartLastClient = NullClient; + dixFreeObjectWithPrivates(client, PRIVATE_CLIENT); + + while (!clients[currentMaxClients-1]) + currentMaxClients--; + } +} + +static void +KillAllClients(void) +{ + int i; + for (i=1; i<currentMaxClients; i++) + if (clients[i]) { + /* Make sure Retained clients are released. */ + clients[i]->closeDownMode = DestroyAll; + CloseDownClient(clients[i]); + } +} + +void InitClient(ClientPtr client, int i, pointer ospriv) +{ + client->index = i; + client->clientAsMask = ((Mask)i) << CLIENTOFFSET; + client->closeDownMode = i ? DestroyAll : RetainPermanent; + client->requestVector = InitialVector; + client->osPrivate = ospriv; + QueryMinMaxKeyCodes(&client->minKC,&client->maxKC); + client->smart_start_tick = SmartScheduleTime; + client->smart_stop_tick = SmartScheduleTime; + client->smart_check_tick = SmartScheduleTime; + client->clientIds = NULL; +} + +/************************ + * 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(pointer ospriv) +{ + int i; + ClientPtr client; + xReq data; + + i = nextFreeClientID; + if (i == MAXCLIENTS) + return (ClientPtr)NULL; + clients[i] = client = dixAllocateObjectWithPrivates(ClientRec, PRIVATE_CLIENT); + if (!client) + return (ClientPtr)NULL; + InitClient(client, i, ospriv); + if (!InitClientResources(client)) + { + dixFreeObjectWithPrivates(client, PRIVATE_CLIENT); + return (ClientPtr)NULL; + } + data.reqType = 1; + data.length = bytes_to_int32(sz_xReq + sz_xConnClientPrefix); + if (!InsertFakeRequest(client, (char *)&data, sz_xReq)) + { + FreeClientResources(client); + dixFreeObjectWithPrivates(client, PRIVATE_CLIENT); + return (ClientPtr)NULL; + } + if (i == currentMaxClients) + currentMaxClients++; + while ((nextFreeClientID < MAXCLIENTS) && clients[nextFreeClientID]) + nextFreeClientID++; + + /* Enable client ID tracking. This must be done before + * ClientStateCallback. */ + ReserveClientIds(client); + + if (ClientStateCallback) + { + NewClientInfoRec clientinfo; + + clientinfo.client = client; + clientinfo.prefix = (xConnSetupPrefix *)NULL; + clientinfo.setup = (xConnSetup *) NULL; + CallCallbacks((&ClientStateCallback), (pointer)&clientinfo); + } + return client; +} + +int +ProcInitialConnection(ClientPtr client) +{ + REQUEST(xReq); + 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 += bytes_to_int32(prefix->nbytesAuthProto) + + bytes_to_int32(prefix->nbytesAuthString); + if (client->swapped) + { + swaps(&stuff->length, whichbyte); + } + ResetCurrentRequest(client); + return Success; +} + +static int +SendConnSetup(ClientPtr client, char *reason) +{ + xWindowRoot *root; + int i; + int numScreens; + char* lConnectionInfo; + xConnSetupPrefix* lconnSetupPrefix; + + if (reason) + { + xConnSetupPrefix csp; + + csp.success = xFalse; + csp.lengthReason = strlen(reason); + csp.length = bytes_to_int32(csp.lengthReason); + 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; + ((xConnSetup *)lConnectionInfo)->ridBase = client->clientAsMask; + ((xConnSetup *)lConnectionInfo)->ridMask = RESOURCE_ID_MASK; +#ifdef MATCH_CLIENT_ENDIAN + ((xConnSetup *)lConnectionInfo)->imageByteOrder = ClientOrder (client); + ((xConnSetup *)lConnectionInfo)->bitmapBitOrder = ClientOrder (client); +#endif + /* fill in the "currentInputMask" */ + root = (xWindowRoot *)(lConnectionInfo + connBlockScreenStart); +#ifdef PANORAMIX + if (noPanoramiXExtension) + numScreens = screenInfo.numScreens; + else + numScreens = ((xConnSetup *)ConnectionInfo)->numRoots; +#endif + + for (i=0; i<numScreens; i++) + { + unsigned int j; + xDepth *pDepth; + WindowPtr pRoot = screenInfo.screens[i]->root; + + root->currentInputMask = pRoot->eventMask | wOtherEventMasks(pRoot); + 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 Success; +} + +int +ProcEstablishConnection(ClientPtr client) +{ + char *reason, *auth_proto, *auth_string; + xConnClientPrefix *prefix; + REQUEST(xReq); + + prefix = (xConnClientPrefix *)((char *)stuff + sz_xReq); + auth_proto = (char *)prefix + sz_xConnClientPrefix; + auth_string = auth_proto + pad_to_int32(prefix->nbytesAuthProto); + 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 Success; +} + +void +SendErrorToClient(ClientPtr client, unsigned majorCode, unsigned minorCode, + XID resId, int errorCode) +{ + xError rep; + + memset(&rep, 0, sizeof(xError)); + rep.type = X_Error; + rep.errorCode = errorCode; + rep.majorCode = majorCode; + rep.minorCode = minorCode; + rep.resourceID = resId; + + WriteEventsToClient (client, 1, (xEvent *)&rep); +} + +void +MarkClientException(ClientPtr client) +{ + client->noClientException = -1; +} + +/* + * This array encodes the answer to the question "what is the log base 2 + * of the number of pixels that fit in a scanline pad unit?" + * Note that ~0 is an invalid entry (mostly for the benefit of the reader). + */ +static int answer[6][4] = { + /* pad pad pad pad*/ + /* 8 16 32 64 */ + + { 3, 4, 5 , 6 }, /* 1 bit per pixel */ + { 1, 2, 3 , 4 }, /* 4 bits per pixel */ + { 0, 1, 2 , 3 }, /* 8 bits per pixel */ + { ~0, 0, 1 , 2 }, /* 16 bits per pixel */ + { ~0, ~0, 0 , 1 }, /* 24 bits per pixel */ + { ~0, ~0, 0 , 1 } /* 32 bits per pixel */ +}; + +/* + * This array gives the answer to the question "what is the first index for + * the answer array above given the number of bits per pixel?" + * Note that ~0 is an invalid entry (mostly for the benefit of the reader). + */ +static int indexForBitsPerPixel[ 33 ] = { + ~0, 0, ~0, ~0, /* 1 bit per pixel */ + 1, ~0, ~0, ~0, /* 4 bits per pixel */ + 2, ~0, ~0, ~0, /* 8 bits per pixel */ + ~0,~0, ~0, ~0, + 3, ~0, ~0, ~0, /* 16 bits per pixel */ + ~0,~0, ~0, ~0, + 4, ~0, ~0, ~0, /* 24 bits per pixel */ + ~0,~0, ~0, ~0, + 5 /* 32 bits per pixel */ +}; + +/* + * This array gives the bytesperPixel value for cases where the number + * of bits per pixel is a multiple of 8 but not a power of 2. + */ +static int answerBytesPerPixel[ 33 ] = { + ~0, 0, ~0, ~0, /* 1 bit per pixel */ + 0, ~0, ~0, ~0, /* 4 bits per pixel */ + 0, ~0, ~0, ~0, /* 8 bits per pixel */ + ~0,~0, ~0, ~0, + 0, ~0, ~0, ~0, /* 16 bits per pixel */ + ~0,~0, ~0, ~0, + 3, ~0, ~0, ~0, /* 24 bits per pixel */ + ~0,~0, ~0, ~0, + 0 /* 32 bits per pixel */ +}; + +/* + * This array gives the answer to the question "what is the second index for + * the answer array above given the number of bits per scanline pad unit?" + * Note that ~0 is an invalid entry (mostly for the benefit of the reader). + */ +static int indexForScanlinePad[ 65 ] = { + ~0, ~0, ~0, ~0, + ~0, ~0, ~0, ~0, + 0, ~0, ~0, ~0, /* 8 bits per scanline pad unit */ + ~0, ~0, ~0, ~0, + 1, ~0, ~0, ~0, /* 16 bits per scanline pad unit */ + ~0, ~0, ~0, ~0, + ~0, ~0, ~0, ~0, + ~0, ~0, ~0, ~0, + 2, ~0, ~0, ~0, /* 32 bits per scanline pad unit */ + ~0, ~0, ~0, ~0, + ~0, ~0, ~0, ~0, + ~0, ~0, ~0, ~0, + ~0, ~0, ~0, ~0, + ~0, ~0, ~0, ~0, + ~0, ~0, ~0, ~0, + ~0, ~0, ~0, ~0, + 3 /* 64 bits per scanline pad unit */ +}; + +/* + grow the array of screenRecs if necessary. + call the device-supplied initialization procedure +with its screen number, a pointer to its ScreenRec, argc, and argv. + return the number of successfully installed screens. + +*/ + +int +AddScreen( + Bool (* pfnInit)( + int /*index*/, + ScreenPtr /*pScreen*/, + int /*argc*/, + char ** /*argv*/ + ), + int argc, + char **argv) +{ + + int i; + int scanlinepad, format, depth, bitsPerPixel, j, k; + ScreenPtr pScreen; + + i = screenInfo.numScreens; + if (i == MAXSCREENS) + return -1; + + pScreen = (ScreenPtr) calloc(1, sizeof(ScreenRec)); + if (!pScreen) + return -1; + + if (!dixAllocatePrivates(&pScreen->devPrivates, PRIVATE_SCREEN)) { + free (pScreen); + return -1; + } + pScreen->myNum = i; + pScreen->totalPixmapSize = 0; /* computed in CreateScratchPixmapForScreen */ + pScreen->ClipNotify = 0; /* for R4 ddx compatibility */ + pScreen->CreateScreenResources = 0; + + /* + * This loop gets run once for every Screen that gets added, + * but thats ok. If the ddx layer initializes the formats + * one at a time calling AddScreen() after each, then each + * iteration will make it a little more accurate. Worst case + * we do this loop N * numPixmapFormats where N is # of screens. + * Anyway, this must be called after InitOutput and before the + * screen init routine is called. + */ + for (format=0; format<screenInfo.numPixmapFormats; format++) + { + depth = screenInfo.formats[format].depth; + bitsPerPixel = screenInfo.formats[format].bitsPerPixel; + scanlinepad = screenInfo.formats[format].scanlinePad; + j = indexForBitsPerPixel[ bitsPerPixel ]; + k = indexForScanlinePad[ scanlinepad ]; + PixmapWidthPaddingInfo[ depth ].padPixelsLog2 = answer[j][k]; + PixmapWidthPaddingInfo[ depth ].padRoundUp = + (scanlinepad/bitsPerPixel) - 1; + j = indexForBitsPerPixel[ 8 ]; /* bits per byte */ + PixmapWidthPaddingInfo[ depth ].padBytesLog2 = answer[j][k]; + PixmapWidthPaddingInfo[ depth ].bitsPerPixel = bitsPerPixel; + if (answerBytesPerPixel[bitsPerPixel]) + { + PixmapWidthPaddingInfo[ depth ].notPower2 = 1; + PixmapWidthPaddingInfo[ depth ].bytesPerPixel = + answerBytesPerPixel[bitsPerPixel]; + } + else + { + PixmapWidthPaddingInfo[ depth ].notPower2 = 0; + } + } + + /* This is where screen specific stuff gets initialized. Load the + screen structure, call the hardware, whatever. + This is also where the default colormap should be allocated and + also pixel values for blackPixel, whitePixel, and the cursor + Note that InitScreen is NOT allowed to modify argc, argv, or + any of the strings pointed to by argv. They may be passed to + multiple screens. + */ + screenInfo.screens[i] = pScreen; + screenInfo.numScreens++; + if (!(*pfnInit)(i, pScreen, argc, argv)) + { + dixFreePrivates(pScreen->devPrivates, PRIVATE_SCREEN); + free(pScreen); + screenInfo.numScreens--; + return -1; + } + + dixRegisterPrivateKey(&cursorScreenDevPriv[i], PRIVATE_CURSOR, 0); + + return i; +} |