a3aa6a2d86
callbacks may be a bad idea as others may be interested in this event. Removed the call to XSelectInput() altogether as we are in root window anyway (Lubos Lunak). Fix size of a variable that gets assigned the value of SmartScheduleTime (long) to long. This should help to prevent smart scheduler lockup on 64 bit systems due to overruns (Andreas Schwab).
4117 lines
105 KiB
C
4117 lines
105 KiB
C
/* $XdotOrg: xc/programs/Xserver/dix/dispatch.c,v 1.4 2004/07/29 18:43:58 stukreit Exp $ */
|
|
/* $Xorg: dispatch.c,v 1.5 2001/02/09 02:04:40 xorgcvs Exp $ */
|
|
/************************************************************
|
|
|
|
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.
|
|
|
|
******************************************************************/
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/* $XFree86: xc/programs/Xserver/dix/dispatch.c,v 3.32 2003/11/10 18:21:45 tsi Exp $ */
|
|
|
|
#ifdef PANORAMIX_DEBUG
|
|
#include <stdio.h>
|
|
int ProcInitialConnection();
|
|
#endif
|
|
|
|
#include "windowstr.h"
|
|
#include "fontstruct.h"
|
|
#include "dixfontstr.h"
|
|
#include "gcstruct.h"
|
|
#include "selection.h"
|
|
#include "colormapst.h"
|
|
#include "cursorstr.h"
|
|
#include "scrnintstr.h"
|
|
#include "opaque.h"
|
|
#include "input.h"
|
|
#include "servermd.h"
|
|
#include "extnsionst.h"
|
|
#include "dixfont.h"
|
|
#include "dispatch.h"
|
|
#include "swaprep.h"
|
|
#include "swapreq.h"
|
|
#ifdef PANORAMIX
|
|
#include "panoramiX.h"
|
|
#include "panoramiXsrv.h"
|
|
#endif
|
|
#ifdef XCSECURITY
|
|
#define _SECURITY_SERVER
|
|
#include "security.h"
|
|
#endif
|
|
#ifdef XAPPGROUP
|
|
#include "Xagsrv.h"
|
|
#endif
|
|
#ifdef XKB
|
|
#define XKB_IN_SERVER
|
|
#include "inputstr.h"
|
|
#include "XKBsrv.h"
|
|
#endif
|
|
#ifdef LBX
|
|
#include "lbxserve.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))
|
|
|
|
extern xConnSetupPrefix connSetupPrefix;
|
|
extern char *ConnectionInfo;
|
|
|
|
Selection *CurrentSelections;
|
|
int NumCurrentSelections;
|
|
CallbackListPtr SelectionCallback = NULL;
|
|
|
|
static ClientPtr grabClient;
|
|
#define GrabNone 0
|
|
#define GrabActive 1
|
|
#define GrabKickout 2
|
|
static int grabState = GrabNone;
|
|
static long grabWaiters[mskcnt];
|
|
CallbackListPtr ServerGrabCallback = NULL;
|
|
HWEventQueuePtr checkForInput[2];
|
|
extern int connBlockScreenStart;
|
|
|
|
static void KillAllClients(
|
|
void
|
|
);
|
|
|
|
static void DeleteClientFromAnySelections(
|
|
ClientPtr /*client*/
|
|
);
|
|
|
|
static int nextFreeClientID; /* always MIN free client ID */
|
|
|
|
static int nClients; /* number of authorized clients */
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|
|
|
CallbackListPtr ClientStateCallback;
|
|
char dispatchException = 0;
|
|
char isItTimeToYield;
|
|
|
|
/* Various of the DIX function interfaces were not designed to allow
|
|
* the client->errorValue to be set on BadValue and other errors.
|
|
* Rather than changing interfaces and breaking untold code we introduce
|
|
* a new global that dispatch can use.
|
|
*/
|
|
XID clientErrorValue; /* XXX this is a kludge */
|
|
|
|
#define SAME_SCREENS(a, b) (\
|
|
(a.pScreen == b.pScreen))
|
|
|
|
void
|
|
SetInputCheck(c0, c1)
|
|
HWEventQueuePtr c0, c1;
|
|
{
|
|
checkForInput[0] = c0;
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|
checkForInput[1] = c1;
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|
}
|
|
|
|
void
|
|
UpdateCurrentTime()
|
|
{
|
|
TimeStamp systime;
|
|
|
|
/* To avoid time running backwards, we must call GetTimeInMillis before
|
|
* calling ProcessInputEvents.
|
|
*/
|
|
systime.months = currentTime.months;
|
|
systime.milliseconds = GetTimeInMillis();
|
|
if (systime.milliseconds < currentTime.milliseconds)
|
|
systime.months++;
|
|
if (*checkForInput[0] != *checkForInput[1])
|
|
ProcessInputEvents();
|
|
if (CompareTimeStamps(systime, currentTime) == LATER)
|
|
currentTime = systime;
|
|
}
|
|
|
|
/* Like UpdateCurrentTime, but can't call ProcessInputEvents */
|
|
void
|
|
UpdateCurrentTimeIf()
|
|
{
|
|
TimeStamp systime;
|
|
|
|
systime.months = currentTime.months;
|
|
systime.milliseconds = GetTimeInMillis();
|
|
if (systime.milliseconds < currentTime.milliseconds)
|
|
systime.months++;
|
|
if (*checkForInput[0] == *checkForInput[1])
|
|
currentTime = systime;
|
|
}
|
|
|
|
void
|
|
InitSelections()
|
|
{
|
|
if (CurrentSelections)
|
|
xfree(CurrentSelections);
|
|
CurrentSelections = (Selection *)NULL;
|
|
NumCurrentSelections = 0;
|
|
}
|
|
|
|
void
|
|
FlushClientCaches(id)
|
|
XID id;
|
|
{
|
|
int i;
|
|
register ClientPtr client;
|
|
|
|
client = clients[CLIENT_ID(id)];
|
|
if (client == NullClient)
|
|
return ;
|
|
for (i=0; i<currentMaxClients; i++)
|
|
{
|
|
client = clients[i];
|
|
if (client != NullClient)
|
|
{
|
|
if (client->lastDrawableID == id)
|
|
{
|
|
client->lastDrawableID = WindowTable[0]->drawable.id;
|
|
client->lastDrawable = (DrawablePtr)WindowTable[0];
|
|
}
|
|
else if (client->lastGCID == id)
|
|
{
|
|
client->lastGCID = INVALID;
|
|
client->lastGC = (GCPtr)NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#ifdef SMART_SCHEDULE
|
|
|
|
#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;
|
|
ClientPtr SmartLastClient;
|
|
int SmartLastIndex[SMART_MAX_PRIORITY-SMART_MIN_PRIORITY+1];
|
|
int SmartScheduleClient(int *clientReady, int nready);
|
|
|
|
#ifdef SMART_DEBUG
|
|
long SmartLastPrint;
|
|
#endif
|
|
|
|
void Dispatch(void);
|
|
void InitProcVectors(void);
|
|
|
|
int
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|
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)
|
|
{
|
|
/*
|
|
* 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;
|
|
}
|
|
#endif
|
|
|
|
#define MAJOROP ((xReq *)client->requestBuffer)->reqType
|
|
|
|
void
|
|
Dispatch(void)
|
|
{
|
|
register int *clientReady; /* array of request ready clients */
|
|
register int result;
|
|
register ClientPtr client;
|
|
register int nready;
|
|
register HWEventQueuePtr* icheck = checkForInput;
|
|
#ifdef SMART_SCHEDULE
|
|
long start_tick;
|
|
#endif
|
|
|
|
nextFreeClientID = 1;
|
|
InitSelections();
|
|
nClients = 0;
|
|
|
|
clientReady = (int *) ALLOCATE_LOCAL(sizeof(int) * MaxClients);
|
|
if (!clientReady)
|
|
return;
|
|
|
|
while (!dispatchException)
|
|
{
|
|
if (*icheck[0] != *icheck[1])
|
|
{
|
|
ProcessInputEvents();
|
|
FlushIfCriticalOutputPending();
|
|
}
|
|
|
|
nready = WaitForSomething(clientReady);
|
|
|
|
#ifdef SMART_SCHEDULE
|
|
if (nready && !SmartScheduleDisable)
|
|
{
|
|
clientReady[0] = SmartScheduleClient (clientReady, nready);
|
|
nready = 1;
|
|
}
|
|
#endif
|
|
/*****************
|
|
* Handle events in round robin fashion, doing input between
|
|
* each round
|
|
*****************/
|
|
|
|
while (!dispatchException && (--nready >= 0))
|
|
{
|
|
client = clients[clientReady[nready]];
|
|
if (! client)
|
|
{
|
|
/* KillClient can cause this to happen */
|
|
continue;
|
|
}
|
|
/* GrabServer activation can cause this to be true */
|
|
if (grabState == GrabKickout)
|
|
{
|
|
grabState = GrabActive;
|
|
break;
|
|
}
|
|
isItTimeToYield = FALSE;
|
|
|
|
requestingClient = client;
|
|
#ifdef SMART_SCHEDULE
|
|
start_tick = SmartScheduleTime;
|
|
#endif
|
|
while (!isItTimeToYield)
|
|
{
|
|
if (*icheck[0] != *icheck[1])
|
|
{
|
|
ProcessInputEvents();
|
|
FlushIfCriticalOutputPending();
|
|
}
|
|
#ifdef SMART_SCHEDULE
|
|
if (!SmartScheduleDisable &&
|
|
(SmartScheduleTime - start_tick) >= SmartScheduleSlice)
|
|
{
|
|
/* Penalize clients which consume ticks */
|
|
if (client->smart_priority > SMART_MIN_PRIORITY)
|
|
client->smart_priority--;
|
|
break;
|
|
}
|
|
#endif
|
|
/* now, finally, deal with client requests */
|
|
|
|
result = ReadRequestFromClient(client);
|
|
if (result <= 0)
|
|
{
|
|
if (result < 0)
|
|
CloseDownClient(client);
|
|
break;
|
|
}
|
|
|
|
client->sequence++;
|
|
#ifdef DEBUG
|
|
if (client->requestLogIndex == MAX_REQUEST_LOG)
|
|
client->requestLogIndex = 0;
|
|
client->requestLog[client->requestLogIndex] = MAJOROP;
|
|
client->requestLogIndex++;
|
|
#endif
|
|
if (result > (maxBigRequestSize << 2))
|
|
result = BadLength;
|
|
else
|
|
result = (* client->requestVector[MAJOROP])(client);
|
|
|
|
if (result != Success)
|
|
{
|
|
if (client->noClientException != Success)
|
|
CloseDownClient(client);
|
|
else
|
|
SendErrorToClient(client, MAJOROP,
|
|
MinorOpcodeOfRequest(client),
|
|
client->errorValue, result);
|
|
break;
|
|
}
|
|
#ifdef DAMAGEEXT
|
|
FlushIfCriticalOutputPending ();
|
|
#endif
|
|
}
|
|
FlushAllOutput();
|
|
#ifdef SMART_SCHEDULE
|
|
client = clients[clientReady[nready]];
|
|
if (client)
|
|
client->smart_stop_tick = SmartScheduleTime;
|
|
#endif
|
|
requestingClient = NULL;
|
|
}
|
|
dispatchException &= ~DE_PRIORITYCHANGE;
|
|
}
|
|
#if defined(DDXBEFORERESET)
|
|
ddxBeforeReset ();
|
|
#endif
|
|
KillAllClients();
|
|
DEALLOCATE_LOCAL(clientReady);
|
|
dispatchException &= ~DE_RESET;
|
|
}
|
|
|
|
#undef MAJOROP
|
|
|
|
/*ARGSUSED*/
|
|
int
|
|
ProcBadRequest(client)
|
|
ClientPtr client;
|
|
{
|
|
return (BadRequest);
|
|
}
|
|
|
|
int
|
|
ProcCreateWindow(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pParent, pWin;
|
|
REQUEST(xCreateWindowReq);
|
|
int result;
|
|
int len;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xCreateWindowReq);
|
|
|
|
LEGAL_NEW_RESOURCE(stuff->wid, client);
|
|
if (!(pParent = (WindowPtr)SecurityLookupWindow(stuff->parent, client,
|
|
SecurityWriteAccess)))
|
|
return BadWindow;
|
|
len = client->req_len - (sizeof(xCreateWindowReq) >> 2);
|
|
if (Ones(stuff->mask) != len)
|
|
return BadLength;
|
|
if (!stuff->width || !stuff->height)
|
|
{
|
|
client->errorValue = 0;
|
|
return BadValue;
|
|
}
|
|
pWin = CreateWindow(stuff->wid, pParent, stuff->x,
|
|
stuff->y, stuff->width, stuff->height,
|
|
stuff->borderWidth, stuff->class,
|
|
stuff->mask, (XID *) &stuff[1],
|
|
(int)stuff->depth,
|
|
client, stuff->visual, &result);
|
|
if (pWin)
|
|
{
|
|
Mask mask = pWin->eventMask;
|
|
|
|
pWin->eventMask = 0; /* subterfuge in case AddResource fails */
|
|
if (!AddResource(stuff->wid, RT_WINDOW, (pointer)pWin))
|
|
return BadAlloc;
|
|
pWin->eventMask = mask;
|
|
}
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(result);
|
|
}
|
|
|
|
int
|
|
ProcChangeWindowAttributes(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin;
|
|
REQUEST(xChangeWindowAttributesReq);
|
|
register int result;
|
|
int len;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
|
|
SecurityWriteAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
len = client->req_len - (sizeof(xChangeWindowAttributesReq) >> 2);
|
|
if (len != Ones(stuff->valueMask))
|
|
return BadLength;
|
|
result = ChangeWindowAttributes(pWin,
|
|
stuff->valueMask,
|
|
(XID *) &stuff[1],
|
|
client);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(result);
|
|
}
|
|
|
|
int
|
|
ProcGetWindowAttributes(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin;
|
|
REQUEST(xResourceReq);
|
|
xGetWindowAttributesReply wa;
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
|
|
SecurityReadAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
GetWindowAttributes(pWin, client, &wa);
|
|
WriteReplyToClient(client, sizeof(xGetWindowAttributesReply), &wa);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcDestroyWindow(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
|
|
SecurityDestroyAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
if (pWin->parent)
|
|
FreeResource(stuff->id, RT_NONE);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcDestroySubwindows(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
|
|
SecurityDestroyAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
DestroySubwindows(pWin, client);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcChangeSaveSet(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin;
|
|
REQUEST(xChangeSaveSetReq);
|
|
register int result;
|
|
|
|
REQUEST_SIZE_MATCH(xChangeSaveSetReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
|
|
SecurityReadAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
if (client->clientAsMask == (CLIENT_BITS(pWin->drawable.id)))
|
|
return BadMatch;
|
|
if ((stuff->mode == SetModeInsert) || (stuff->mode == SetModeDelete))
|
|
{
|
|
result = AlterSaveSetForClient(client, pWin, stuff->mode, FALSE, TRUE);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(result);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->mode;
|
|
return( BadValue );
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcReparentWindow(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin, pParent;
|
|
REQUEST(xReparentWindowReq);
|
|
register int result;
|
|
|
|
REQUEST_SIZE_MATCH(xReparentWindowReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
|
|
SecurityWriteAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
pParent = (WindowPtr)SecurityLookupWindow(stuff->parent, client,
|
|
SecurityWriteAccess);
|
|
if (!pParent)
|
|
return(BadWindow);
|
|
if (SAME_SCREENS(pWin->drawable, pParent->drawable))
|
|
{
|
|
if ((pWin->backgroundState == ParentRelative) &&
|
|
(pParent->drawable.depth != pWin->drawable.depth))
|
|
return BadMatch;
|
|
if ((pWin->drawable.class != InputOnly) &&
|
|
(pParent->drawable.class == InputOnly))
|
|
return BadMatch;
|
|
result = ReparentWindow(pWin, pParent,
|
|
(short)stuff->x, (short)stuff->y, client);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(result);
|
|
}
|
|
else
|
|
return (BadMatch);
|
|
}
|
|
|
|
int
|
|
ProcMapWindow(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
|
|
SecurityReadAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
MapWindow(pWin, client);
|
|
/* update cache to say it is mapped */
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcMapSubwindows(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow( stuff->id, client,
|
|
SecurityReadAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
MapSubwindows(pWin, client);
|
|
/* update cache to say it is mapped */
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcUnmapWindow(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow( stuff->id, client,
|
|
SecurityReadAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
UnmapWindow(pWin, FALSE);
|
|
/* update cache to say it is mapped */
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcUnmapSubwindows(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow( stuff->id, client,
|
|
SecurityReadAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
UnmapSubwindows(pWin);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcConfigureWindow(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin;
|
|
REQUEST(xConfigureWindowReq);
|
|
register int result;
|
|
int len;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xConfigureWindowReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow( stuff->window, client,
|
|
SecurityWriteAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
len = client->req_len - (sizeof(xConfigureWindowReq) >> 2);
|
|
if (Ones((Mask)stuff->mask) != len)
|
|
return BadLength;
|
|
result = ConfigureWindow(pWin, (Mask)stuff->mask, (XID *) &stuff[1],
|
|
client);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(result);
|
|
}
|
|
|
|
int
|
|
ProcCirculateWindow(client)
|
|
register ClientPtr client;
|
|
{
|
|
register WindowPtr pWin;
|
|
REQUEST(xCirculateWindowReq);
|
|
|
|
REQUEST_SIZE_MATCH(xCirculateWindowReq);
|
|
if ((stuff->direction != RaiseLowest) &&
|
|
(stuff->direction != LowerHighest))
|
|
{
|
|
client->errorValue = stuff->direction;
|
|
return BadValue;
|
|
}
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
|
|
SecurityWriteAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
CirculateWindow(pWin, (int)stuff->direction, client);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
GetGeometry(client, rep)
|
|
register ClientPtr client;
|
|
xGetGeometryReply *rep;
|
|
{
|
|
register DrawablePtr pDraw;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
SECURITY_VERIFY_GEOMETRABLE (pDraw, stuff->id, client, SecurityReadAccess);
|
|
rep->type = X_Reply;
|
|
rep->length = 0;
|
|
rep->sequenceNumber = client->sequence;
|
|
rep->root = WindowTable[pDraw->pScreen->myNum]->drawable.id;
|
|
rep->depth = pDraw->depth;
|
|
rep->width = pDraw->width;
|
|
rep->height = pDraw->height;
|
|
|
|
/* XXX - Because the pixmap-implementation of the multibuffer extension
|
|
* may have the buffer-id's drawable resource value be a pointer
|
|
* to the buffer's window instead of the buffer itself
|
|
* (this happens if the buffer is the displayed buffer),
|
|
* we also have to check that the id matches before we can
|
|
* truly say that it is a DRAWABLE_WINDOW.
|
|
*/
|
|
|
|
if ((pDraw->type == UNDRAWABLE_WINDOW) ||
|
|
((pDraw->type == DRAWABLE_WINDOW) && (stuff->id == pDraw->id)))
|
|
{
|
|
register WindowPtr pWin = (WindowPtr)pDraw;
|
|
rep->x = pWin->origin.x - wBorderWidth (pWin);
|
|
rep->y = pWin->origin.y - wBorderWidth (pWin);
|
|
rep->borderWidth = pWin->borderWidth;
|
|
}
|
|
else /* DRAWABLE_PIXMAP or DRAWABLE_BUFFER */
|
|
{
|
|
rep->x = rep->y = rep->borderWidth = 0;
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
|
|
int
|
|
ProcGetGeometry(client)
|
|
register ClientPtr client;
|
|
{
|
|
xGetGeometryReply rep;
|
|
int status;
|
|
|
|
if ((status = GetGeometry(client, &rep)) != Success)
|
|
return status;
|
|
|
|
WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
|
|
int
|
|
ProcQueryTree(client)
|
|
register ClientPtr client;
|
|
{
|
|
xQueryTreeReply reply;
|
|
int numChildren = 0;
|
|
register WindowPtr pChild, pWin, pHead;
|
|
Window *childIDs = (Window *)NULL;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
|
|
SecurityReadAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
reply.type = X_Reply;
|
|
reply.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
|
|
reply.sequenceNumber = client->sequence;
|
|
if (pWin->parent)
|
|
reply.parent = pWin->parent->drawable.id;
|
|
else
|
|
reply.parent = (Window)None;
|
|
pHead = RealChildHead(pWin);
|
|
for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib)
|
|
numChildren++;
|
|
if (numChildren)
|
|
{
|
|
int curChild = 0;
|
|
|
|
childIDs = (Window *) ALLOCATE_LOCAL(numChildren * sizeof(Window));
|
|
if (!childIDs)
|
|
return BadAlloc;
|
|
for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib)
|
|
childIDs[curChild++] = pChild->drawable.id;
|
|
}
|
|
|
|
reply.nChildren = numChildren;
|
|
reply.length = (numChildren * sizeof(Window)) >> 2;
|
|
|
|
WriteReplyToClient(client, sizeof(xQueryTreeReply), &reply);
|
|
if (numChildren)
|
|
{
|
|
client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
|
|
WriteSwappedDataToClient(client, numChildren * sizeof(Window), childIDs);
|
|
DEALLOCATE_LOCAL(childIDs);
|
|
}
|
|
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcInternAtom(client)
|
|
register ClientPtr client;
|
|
{
|
|
Atom atom;
|
|
char *tchar;
|
|
REQUEST(xInternAtomReq);
|
|
|
|
REQUEST_FIXED_SIZE(xInternAtomReq, stuff->nbytes);
|
|
if ((stuff->onlyIfExists != xTrue) && (stuff->onlyIfExists != xFalse))
|
|
{
|
|
client->errorValue = stuff->onlyIfExists;
|
|
return(BadValue);
|
|
}
|
|
tchar = (char *) &stuff[1];
|
|
atom = MakeAtom(tchar, stuff->nbytes, !stuff->onlyIfExists);
|
|
if (atom != BAD_RESOURCE)
|
|
{
|
|
xInternAtomReply reply;
|
|
reply.type = X_Reply;
|
|
reply.length = 0;
|
|
reply.sequenceNumber = client->sequence;
|
|
reply.atom = atom;
|
|
WriteReplyToClient(client, sizeof(xInternAtomReply), &reply);
|
|
return(client->noClientException);
|
|
}
|
|
else
|
|
return (BadAlloc);
|
|
}
|
|
|
|
int
|
|
ProcGetAtomName(client)
|
|
register ClientPtr client;
|
|
{
|
|
char *str;
|
|
xGetAtomNameReply reply;
|
|
int len;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
if ( (str = NameForAtom(stuff->id)) )
|
|
{
|
|
len = strlen(str);
|
|
reply.type = X_Reply;
|
|
reply.length = (len + 3) >> 2;
|
|
reply.sequenceNumber = client->sequence;
|
|
reply.nameLength = len;
|
|
WriteReplyToClient(client, sizeof(xGetAtomNameReply), &reply);
|
|
(void)WriteToClient(client, len, str);
|
|
return(client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->id;
|
|
return (BadAtom);
|
|
}
|
|
}
|
|
|
|
#ifdef K5AUTH
|
|
extern int k5_bad();
|
|
#endif
|
|
|
|
int
|
|
ProcSetSelectionOwner(client)
|
|
register ClientPtr client;
|
|
{
|
|
WindowPtr pWin;
|
|
TimeStamp time;
|
|
REQUEST(xSetSelectionOwnerReq);
|
|
|
|
REQUEST_SIZE_MATCH(xSetSelectionOwnerReq);
|
|
UpdateCurrentTime();
|
|
time = ClientTimeToServerTime(stuff->time);
|
|
|
|
/* If the client's time stamp is in the future relative to the server's
|
|
time stamp, do not set the selection, just return success. */
|
|
if (CompareTimeStamps(time, currentTime) == LATER)
|
|
return Success;
|
|
if (stuff->window != None)
|
|
{
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
|
|
SecurityReadAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
}
|
|
else
|
|
pWin = (WindowPtr)None;
|
|
if (ValidAtom(stuff->selection))
|
|
{
|
|
int i = 0;
|
|
|
|
/*
|
|
* First, see if the selection is already set...
|
|
*/
|
|
while ((i < NumCurrentSelections) &&
|
|
CurrentSelections[i].selection != stuff->selection)
|
|
i++;
|
|
if (i < NumCurrentSelections)
|
|
{
|
|
xEvent event;
|
|
|
|
/* If the timestamp in client's request is in the past relative
|
|
to the time stamp indicating the last time the owner of the
|
|
selection was set, do not set the selection, just return
|
|
success. */
|
|
if (CompareTimeStamps(time, CurrentSelections[i].lastTimeChanged)
|
|
== EARLIER)
|
|
return Success;
|
|
if (CurrentSelections[i].client &&
|
|
(!pWin || (CurrentSelections[i].client != client)))
|
|
{
|
|
event.u.u.type = SelectionClear;
|
|
event.u.selectionClear.time = time.milliseconds;
|
|
event.u.selectionClear.window = CurrentSelections[i].window;
|
|
event.u.selectionClear.atom = CurrentSelections[i].selection;
|
|
(void) TryClientEvents (CurrentSelections[i].client, &event, 1,
|
|
NoEventMask, NoEventMask /* CantBeFiltered */,
|
|
NullGrab);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* It doesn't exist, so add it...
|
|
*/
|
|
Selection *newsels;
|
|
|
|
if (i == 0)
|
|
newsels = (Selection *)xalloc(sizeof(Selection));
|
|
else
|
|
newsels = (Selection *)xrealloc(CurrentSelections,
|
|
(NumCurrentSelections + 1) * sizeof(Selection));
|
|
if (!newsels)
|
|
return BadAlloc;
|
|
NumCurrentSelections++;
|
|
CurrentSelections = newsels;
|
|
CurrentSelections[i].selection = stuff->selection;
|
|
}
|
|
CurrentSelections[i].lastTimeChanged = time;
|
|
CurrentSelections[i].window = stuff->window;
|
|
CurrentSelections[i].pWin = pWin;
|
|
CurrentSelections[i].client = (pWin ? client : NullClient);
|
|
if (SelectionCallback)
|
|
{
|
|
SelectionInfoRec info;
|
|
|
|
info.selection = &CurrentSelections[i];
|
|
info.kind= SelectionSetOwner;
|
|
CallCallbacks(&SelectionCallback, &info);
|
|
}
|
|
return (client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->selection;
|
|
return (BadAtom);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcGetSelectionOwner(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
if (ValidAtom(stuff->id))
|
|
{
|
|
int i;
|
|
xGetSelectionOwnerReply reply;
|
|
|
|
i = 0;
|
|
while ((i < NumCurrentSelections) &&
|
|
CurrentSelections[i].selection != stuff->id) i++;
|
|
reply.type = X_Reply;
|
|
reply.length = 0;
|
|
reply.sequenceNumber = client->sequence;
|
|
if (i < NumCurrentSelections)
|
|
reply.owner = CurrentSelections[i].window;
|
|
else
|
|
reply.owner = None;
|
|
WriteReplyToClient(client, sizeof(xGetSelectionOwnerReply), &reply);
|
|
return(client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->id;
|
|
return (BadAtom);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcConvertSelection(client)
|
|
register ClientPtr client;
|
|
{
|
|
Bool paramsOkay;
|
|
xEvent event;
|
|
WindowPtr pWin;
|
|
REQUEST(xConvertSelectionReq);
|
|
|
|
REQUEST_SIZE_MATCH(xConvertSelectionReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->requestor, client,
|
|
SecurityReadAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
|
|
paramsOkay = (ValidAtom(stuff->selection) && ValidAtom(stuff->target));
|
|
if (stuff->property != None)
|
|
paramsOkay &= ValidAtom(stuff->property);
|
|
if (paramsOkay)
|
|
{
|
|
int i;
|
|
|
|
i = 0;
|
|
while ((i < NumCurrentSelections) &&
|
|
CurrentSelections[i].selection != stuff->selection) i++;
|
|
if ((i < NumCurrentSelections) &&
|
|
(CurrentSelections[i].window != None)
|
|
#ifdef XCSECURITY
|
|
&& (!client->CheckAccess ||
|
|
(* client->CheckAccess)(client, CurrentSelections[i].window,
|
|
RT_WINDOW, SecurityReadAccess,
|
|
CurrentSelections[i].pWin))
|
|
#endif
|
|
)
|
|
{
|
|
event.u.u.type = SelectionRequest;
|
|
event.u.selectionRequest.time = stuff->time;
|
|
event.u.selectionRequest.owner =
|
|
CurrentSelections[i].window;
|
|
event.u.selectionRequest.requestor = stuff->requestor;
|
|
event.u.selectionRequest.selection = stuff->selection;
|
|
event.u.selectionRequest.target = stuff->target;
|
|
event.u.selectionRequest.property = stuff->property;
|
|
if (TryClientEvents(
|
|
CurrentSelections[i].client, &event, 1, NoEventMask,
|
|
NoEventMask /* CantBeFiltered */, NullGrab))
|
|
return (client->noClientException);
|
|
}
|
|
event.u.u.type = SelectionNotify;
|
|
event.u.selectionNotify.time = stuff->time;
|
|
event.u.selectionNotify.requestor = stuff->requestor;
|
|
event.u.selectionNotify.selection = stuff->selection;
|
|
event.u.selectionNotify.target = stuff->target;
|
|
event.u.selectionNotify.property = None;
|
|
(void) TryClientEvents(client, &event, 1, NoEventMask,
|
|
NoEventMask /* CantBeFiltered */, NullGrab);
|
|
return (client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->property;
|
|
return (BadAtom);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcGrabServer(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST_SIZE_MATCH(xReq);
|
|
if (grabState != GrabNone && client != grabClient)
|
|
{
|
|
ResetCurrentRequest(client);
|
|
client->sequence--;
|
|
BITSET(grabWaiters, client->index);
|
|
IgnoreClient(client);
|
|
return(client->noClientException);
|
|
}
|
|
OnlyListenToOneClient(client);
|
|
grabState = GrabKickout;
|
|
grabClient = client;
|
|
|
|
if (ServerGrabCallback)
|
|
{
|
|
ServerGrabInfoRec grabinfo;
|
|
grabinfo.client = client;
|
|
grabinfo.grabstate = SERVER_GRABBED;
|
|
CallCallbacks(&ServerGrabCallback, (pointer)&grabinfo);
|
|
}
|
|
|
|
return(client->noClientException);
|
|
}
|
|
|
|
static void
|
|
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(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST_SIZE_MATCH(xReq);
|
|
UngrabServer(client);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcTranslateCoords(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xTranslateCoordsReq);
|
|
|
|
register WindowPtr pWin, pDst;
|
|
xTranslateCoordsReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xTranslateCoordsReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->srcWid, client,
|
|
SecurityReadAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
pDst = (WindowPtr)SecurityLookupWindow(stuff->dstWid, client,
|
|
SecurityReadAccess);
|
|
if (!pDst)
|
|
return(BadWindow);
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
if (!SAME_SCREENS(pWin->drawable, pDst->drawable))
|
|
{
|
|
rep.sameScreen = xFalse;
|
|
rep.child = None;
|
|
rep.dstX = rep.dstY = 0;
|
|
}
|
|
else
|
|
{
|
|
INT16 x, y;
|
|
rep.sameScreen = xTrue;
|
|
rep.child = None;
|
|
/* computing absolute coordinates -- adjust to destination later */
|
|
x = pWin->drawable.x + stuff->srcX;
|
|
y = pWin->drawable.y + stuff->srcY;
|
|
pWin = pDst->firstChild;
|
|
while (pWin)
|
|
{
|
|
#ifdef SHAPE
|
|
BoxRec box;
|
|
#endif
|
|
if ((pWin->mapped) &&
|
|
(x >= pWin->drawable.x - wBorderWidth (pWin)) &&
|
|
(x < pWin->drawable.x + (int)pWin->drawable.width +
|
|
wBorderWidth (pWin)) &&
|
|
(y >= pWin->drawable.y - wBorderWidth (pWin)) &&
|
|
(y < pWin->drawable.y + (int)pWin->drawable.height +
|
|
wBorderWidth (pWin))
|
|
#ifdef SHAPE
|
|
/* When a window is shaped, a further check
|
|
* is made to see if the point is inside
|
|
* borderSize
|
|
*/
|
|
&& (!wBoundingShape(pWin) ||
|
|
POINT_IN_REGION(pWin->drawable.pScreen,
|
|
&pWin->borderSize, x, y, &box))
|
|
#endif
|
|
)
|
|
{
|
|
rep.child = pWin->drawable.id;
|
|
pWin = (WindowPtr) NULL;
|
|
}
|
|
else
|
|
pWin = pWin->nextSib;
|
|
}
|
|
/* adjust to destination coordinates */
|
|
rep.dstX = x - pDst->drawable.x;
|
|
rep.dstY = y - pDst->drawable.y;
|
|
}
|
|
WriteReplyToClient(client, sizeof(xTranslateCoordsReply), &rep);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcOpenFont(client)
|
|
register ClientPtr client;
|
|
{
|
|
int err;
|
|
REQUEST(xOpenFontReq);
|
|
|
|
REQUEST_FIXED_SIZE(xOpenFontReq, stuff->nbytes);
|
|
client->errorValue = stuff->fid;
|
|
LEGAL_NEW_RESOURCE(stuff->fid, client);
|
|
err = OpenFont(client, stuff->fid, (Mask) 0,
|
|
stuff->nbytes, (char *)&stuff[1]);
|
|
if (err == Success)
|
|
{
|
|
return(client->noClientException);
|
|
}
|
|
else
|
|
return err;
|
|
}
|
|
|
|
int
|
|
ProcCloseFont(client)
|
|
register ClientPtr client;
|
|
{
|
|
FontPtr pFont;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pFont = (FontPtr)SecurityLookupIDByType(client, stuff->id, RT_FONT,
|
|
SecurityDestroyAccess);
|
|
if ( pFont != (FontPtr)NULL) /* id was valid */
|
|
{
|
|
FreeResource(stuff->id, RT_NONE);
|
|
return(client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->id;
|
|
return (BadFont);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcQueryFont(client)
|
|
register ClientPtr client;
|
|
{
|
|
xQueryFontReply *reply;
|
|
FontPtr pFont;
|
|
register GC *pGC;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
client->errorValue = stuff->id; /* EITHER font or gc */
|
|
pFont = (FontPtr)SecurityLookupIDByType(client, stuff->id, RT_FONT,
|
|
SecurityReadAccess);
|
|
if (!pFont)
|
|
{
|
|
/* can't use VERIFY_GC because it might return BadGC */
|
|
pGC = (GC *) SecurityLookupIDByType(client, stuff->id, RT_GC,
|
|
SecurityReadAccess);
|
|
if (!pGC)
|
|
{
|
|
client->errorValue = stuff->id;
|
|
return(BadFont); /* procotol spec says only error is BadFont */
|
|
}
|
|
pFont = pGC->font;
|
|
}
|
|
|
|
{
|
|
xCharInfo *pmax = FONTINKMAX(pFont);
|
|
xCharInfo *pmin = FONTINKMIN(pFont);
|
|
int nprotoxcistructs;
|
|
int rlength;
|
|
|
|
nprotoxcistructs = (
|
|
pmax->rightSideBearing == pmin->rightSideBearing &&
|
|
pmax->leftSideBearing == pmin->leftSideBearing &&
|
|
pmax->descent == pmin->descent &&
|
|
pmax->ascent == pmin->ascent &&
|
|
pmax->characterWidth == pmin->characterWidth) ?
|
|
0 : N2dChars(pFont);
|
|
|
|
rlength = sizeof(xQueryFontReply) +
|
|
FONTINFONPROPS(FONTCHARSET(pFont)) * sizeof(xFontProp) +
|
|
nprotoxcistructs * sizeof(xCharInfo);
|
|
reply = (xQueryFontReply *)ALLOCATE_LOCAL(rlength);
|
|
if(!reply)
|
|
{
|
|
return(BadAlloc);
|
|
}
|
|
|
|
reply->type = X_Reply;
|
|
reply->length = (rlength - sizeof(xGenericReply)) >> 2;
|
|
reply->sequenceNumber = client->sequence;
|
|
QueryFont( pFont, reply, nprotoxcistructs);
|
|
|
|
WriteReplyToClient(client, rlength, reply);
|
|
DEALLOCATE_LOCAL(reply);
|
|
return(client->noClientException);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcQueryTextExtents(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xQueryTextExtentsReq);
|
|
xQueryTextExtentsReply reply;
|
|
FontPtr pFont;
|
|
GC *pGC;
|
|
ExtentInfoRec info;
|
|
unsigned long length;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xQueryTextExtentsReq);
|
|
|
|
pFont = (FontPtr)SecurityLookupIDByType(client, stuff->fid, RT_FONT,
|
|
SecurityReadAccess);
|
|
if (!pFont)
|
|
{
|
|
pGC = (GC *)SecurityLookupIDByType(client, stuff->fid, RT_GC,
|
|
SecurityReadAccess);
|
|
if (!pGC)
|
|
{
|
|
client->errorValue = stuff->fid;
|
|
return(BadFont);
|
|
}
|
|
pFont = pGC->font;
|
|
}
|
|
length = client->req_len - (sizeof(xQueryTextExtentsReq) >> 2);
|
|
length = length << 1;
|
|
if (stuff->oddLength)
|
|
{
|
|
if (length == 0)
|
|
return(BadLength);
|
|
length--;
|
|
}
|
|
if (!QueryTextExtents(pFont, length, (unsigned char *)&stuff[1], &info))
|
|
return(BadAlloc);
|
|
reply.type = X_Reply;
|
|
reply.length = 0;
|
|
reply.sequenceNumber = client->sequence;
|
|
reply.drawDirection = info.drawDirection;
|
|
reply.fontAscent = info.fontAscent;
|
|
reply.fontDescent = info.fontDescent;
|
|
reply.overallAscent = info.overallAscent;
|
|
reply.overallDescent = info.overallDescent;
|
|
reply.overallWidth = info.overallWidth;
|
|
reply.overallLeft = info.overallLeft;
|
|
reply.overallRight = info.overallRight;
|
|
WriteReplyToClient(client, sizeof(xQueryTextExtentsReply), &reply);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcListFonts(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xListFontsReq);
|
|
|
|
REQUEST_FIXED_SIZE(xListFontsReq, stuff->nbytes);
|
|
|
|
return ListFonts(client, (unsigned char *) &stuff[1], stuff->nbytes,
|
|
stuff->maxNames);
|
|
}
|
|
|
|
int
|
|
ProcListFontsWithInfo(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xListFontsWithInfoReq);
|
|
|
|
REQUEST_FIXED_SIZE(xListFontsWithInfoReq, stuff->nbytes);
|
|
|
|
return StartListFontsWithInfo(client, stuff->nbytes,
|
|
(unsigned char *) &stuff[1], stuff->maxNames);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
int
|
|
dixDestroyPixmap(value, pid)
|
|
pointer value; /* must conform to DeleteType */
|
|
XID pid;
|
|
{
|
|
PixmapPtr pPixmap = (PixmapPtr)value;
|
|
return (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap);
|
|
}
|
|
|
|
int
|
|
ProcCreatePixmap(client)
|
|
register ClientPtr client;
|
|
{
|
|
PixmapPtr pMap;
|
|
register DrawablePtr pDraw;
|
|
REQUEST(xCreatePixmapReq);
|
|
DepthPtr pDepth;
|
|
register int i;
|
|
|
|
REQUEST_SIZE_MATCH(xCreatePixmapReq);
|
|
client->errorValue = stuff->pid;
|
|
LEGAL_NEW_RESOURCE(stuff->pid, client);
|
|
SECURITY_VERIFY_GEOMETRABLE (pDraw, stuff->drawable, client,
|
|
SecurityReadAccess);
|
|
if (!stuff->width || !stuff->height)
|
|
{
|
|
client->errorValue = 0;
|
|
return BadValue;
|
|
}
|
|
if (stuff->depth != 1)
|
|
{
|
|
pDepth = pDraw->pScreen->allowedDepths;
|
|
for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++)
|
|
if (pDepth->depth == stuff->depth)
|
|
goto CreatePmap;
|
|
client->errorValue = stuff->depth;
|
|
return BadValue;
|
|
}
|
|
CreatePmap:
|
|
pMap = (PixmapPtr)(*pDraw->pScreen->CreatePixmap)
|
|
(pDraw->pScreen, stuff->width,
|
|
stuff->height, stuff->depth);
|
|
if (pMap)
|
|
{
|
|
pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
|
|
pMap->drawable.id = stuff->pid;
|
|
if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap))
|
|
return(client->noClientException);
|
|
}
|
|
return (BadAlloc);
|
|
}
|
|
|
|
int
|
|
ProcFreePixmap(client)
|
|
register ClientPtr client;
|
|
{
|
|
PixmapPtr pMap;
|
|
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pMap = (PixmapPtr)SecurityLookupIDByType(client, stuff->id, RT_PIXMAP,
|
|
SecurityDestroyAccess);
|
|
if (pMap)
|
|
{
|
|
FreeResource(stuff->id, RT_NONE);
|
|
return(client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->id;
|
|
return (BadPixmap);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcCreateGC(client)
|
|
register ClientPtr client;
|
|
{
|
|
int error;
|
|
GC *pGC;
|
|
register DrawablePtr pDraw;
|
|
unsigned len;
|
|
REQUEST(xCreateGCReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xCreateGCReq);
|
|
client->errorValue = stuff->gc;
|
|
LEGAL_NEW_RESOURCE(stuff->gc, client);
|
|
SECURITY_VERIFY_DRAWABLE (pDraw, stuff->drawable, client,
|
|
SecurityReadAccess);
|
|
len = client->req_len - (sizeof(xCreateGCReq) >> 2);
|
|
if (len != Ones(stuff->mask))
|
|
return BadLength;
|
|
pGC = (GC *)CreateGC(pDraw, stuff->mask,
|
|
(XID *) &stuff[1], &error);
|
|
if (error != Success)
|
|
return error;
|
|
if (!AddResource(stuff->gc, RT_GC, (pointer)pGC))
|
|
return (BadAlloc);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcChangeGC(client)
|
|
register ClientPtr client;
|
|
{
|
|
GC *pGC;
|
|
REQUEST(xChangeGCReq);
|
|
int result;
|
|
unsigned len;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xChangeGCReq);
|
|
SECURITY_VERIFY_GC(pGC, stuff->gc, client, SecurityWriteAccess);
|
|
len = client->req_len - (sizeof(xChangeGCReq) >> 2);
|
|
if (len != Ones(stuff->mask))
|
|
return BadLength;
|
|
|
|
result = dixChangeGC(client, pGC, stuff->mask, (CARD32 *) &stuff[1], 0);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
{
|
|
client->errorValue = clientErrorValue;
|
|
return(result);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcCopyGC(client)
|
|
register ClientPtr client;
|
|
{
|
|
register GC *dstGC;
|
|
register GC *pGC;
|
|
int result;
|
|
REQUEST(xCopyGCReq);
|
|
|
|
REQUEST_SIZE_MATCH(xCopyGCReq);
|
|
SECURITY_VERIFY_GC( pGC, stuff->srcGC, client, SecurityReadAccess);
|
|
SECURITY_VERIFY_GC( dstGC, stuff->dstGC, client, SecurityWriteAccess);
|
|
if ((dstGC->pScreen != pGC->pScreen) || (dstGC->depth != pGC->depth))
|
|
return (BadMatch);
|
|
result = CopyGC(pGC, dstGC, stuff->mask);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
{
|
|
client->errorValue = clientErrorValue;
|
|
return(result);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcSetDashes(client)
|
|
register ClientPtr client;
|
|
{
|
|
register GC *pGC;
|
|
int result;
|
|
REQUEST(xSetDashesReq);
|
|
|
|
REQUEST_FIXED_SIZE(xSetDashesReq, stuff->nDashes);
|
|
if (stuff->nDashes == 0)
|
|
{
|
|
client->errorValue = 0;
|
|
return BadValue;
|
|
}
|
|
|
|
SECURITY_VERIFY_GC(pGC,stuff->gc, client, SecurityWriteAccess);
|
|
|
|
result = SetDashes(pGC, stuff->dashOffset, stuff->nDashes,
|
|
(unsigned char *)&stuff[1]);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
{
|
|
client->errorValue = clientErrorValue;
|
|
return(result);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcSetClipRectangles(client)
|
|
register ClientPtr client;
|
|
{
|
|
int nr;
|
|
int result;
|
|
register GC *pGC;
|
|
REQUEST(xSetClipRectanglesReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xSetClipRectanglesReq);
|
|
if ((stuff->ordering != Unsorted) && (stuff->ordering != YSorted) &&
|
|
(stuff->ordering != YXSorted) && (stuff->ordering != YXBanded))
|
|
{
|
|
client->errorValue = stuff->ordering;
|
|
return BadValue;
|
|
}
|
|
SECURITY_VERIFY_GC(pGC,stuff->gc, client, SecurityWriteAccess);
|
|
|
|
nr = (client->req_len << 2) - sizeof(xSetClipRectanglesReq);
|
|
if (nr & 4)
|
|
return(BadLength);
|
|
nr >>= 3;
|
|
result = SetClipRects(pGC, stuff->xOrigin, stuff->yOrigin,
|
|
nr, (xRectangle *)&stuff[1], (int)stuff->ordering);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(result);
|
|
}
|
|
|
|
int
|
|
ProcFreeGC(client)
|
|
register ClientPtr client;
|
|
{
|
|
register GC *pGC;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
SECURITY_VERIFY_GC(pGC, stuff->id, client, SecurityDestroyAccess);
|
|
FreeResource(stuff->id, RT_NONE);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcClearToBackground(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xClearAreaReq);
|
|
register WindowPtr pWin;
|
|
|
|
REQUEST_SIZE_MATCH(xClearAreaReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
|
|
SecurityWriteAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
if (pWin->drawable.class == InputOnly)
|
|
{
|
|
client->errorValue = stuff->window;
|
|
return (BadMatch);
|
|
}
|
|
if ((stuff->exposures != xTrue) && (stuff->exposures != xFalse))
|
|
{
|
|
client->errorValue = stuff->exposures;
|
|
return(BadValue);
|
|
}
|
|
(*pWin->drawable.pScreen->ClearToBackground)(pWin, stuff->x, stuff->y,
|
|
stuff->width, stuff->height,
|
|
(Bool)stuff->exposures);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcCopyArea(client)
|
|
register ClientPtr client;
|
|
{
|
|
register DrawablePtr pDst;
|
|
register DrawablePtr pSrc;
|
|
register GC *pGC;
|
|
REQUEST(xCopyAreaReq);
|
|
RegionPtr pRgn;
|
|
|
|
REQUEST_SIZE_MATCH(xCopyAreaReq);
|
|
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, pGC, client);
|
|
if (stuff->dstDrawable != stuff->srcDrawable)
|
|
{
|
|
SECURITY_VERIFY_DRAWABLE(pSrc, stuff->srcDrawable, client,
|
|
SecurityReadAccess);
|
|
if ((pDst->pScreen != pSrc->pScreen) || (pDst->depth != pSrc->depth))
|
|
{
|
|
client->errorValue = stuff->dstDrawable;
|
|
return (BadMatch);
|
|
}
|
|
}
|
|
else
|
|
pSrc = pDst;
|
|
|
|
SET_DBE_SRCBUF(pSrc, stuff->srcDrawable);
|
|
|
|
pRgn = (*pGC->ops->CopyArea)(pSrc, pDst, pGC, stuff->srcX, stuff->srcY,
|
|
stuff->width, stuff->height,
|
|
stuff->dstX, stuff->dstY);
|
|
if (pGC->graphicsExposures)
|
|
{
|
|
(*pDst->pScreen->SendGraphicsExpose)
|
|
(client, pRgn, stuff->dstDrawable, X_CopyArea, 0);
|
|
if (pRgn)
|
|
REGION_DESTROY(pDst->pScreen, pRgn);
|
|
}
|
|
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcCopyPlane(client)
|
|
register ClientPtr client;
|
|
{
|
|
register DrawablePtr psrcDraw, pdstDraw;
|
|
register GC *pGC;
|
|
REQUEST(xCopyPlaneReq);
|
|
RegionPtr pRgn;
|
|
|
|
REQUEST_SIZE_MATCH(xCopyPlaneReq);
|
|
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, pGC, client);
|
|
if (stuff->dstDrawable != stuff->srcDrawable)
|
|
{
|
|
SECURITY_VERIFY_DRAWABLE(psrcDraw, stuff->srcDrawable, client,
|
|
SecurityReadAccess);
|
|
if (pdstDraw->pScreen != psrcDraw->pScreen)
|
|
{
|
|
client->errorValue = stuff->dstDrawable;
|
|
return (BadMatch);
|
|
}
|
|
}
|
|
else
|
|
psrcDraw = pdstDraw;
|
|
|
|
SET_DBE_SRCBUF(psrcDraw, stuff->srcDrawable);
|
|
|
|
/* Check to see if stuff->bitPlane has exactly ONE good bit set */
|
|
if(stuff->bitPlane == 0 || (stuff->bitPlane & (stuff->bitPlane - 1)) ||
|
|
(stuff->bitPlane > (1L << (psrcDraw->depth - 1))))
|
|
{
|
|
client->errorValue = stuff->bitPlane;
|
|
return(BadValue);
|
|
}
|
|
|
|
pRgn = (*pGC->ops->CopyPlane)(psrcDraw, pdstDraw, pGC, stuff->srcX, stuff->srcY,
|
|
stuff->width, stuff->height,
|
|
stuff->dstX, stuff->dstY, stuff->bitPlane);
|
|
if (pGC->graphicsExposures)
|
|
{
|
|
(*pdstDraw->pScreen->SendGraphicsExpose)
|
|
(client, pRgn, stuff->dstDrawable, X_CopyPlane, 0);
|
|
if (pRgn)
|
|
REGION_DESTROY(pdstDraw->pScreen, pRgn);
|
|
}
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcPolyPoint(client)
|
|
register ClientPtr client;
|
|
{
|
|
int npoint;
|
|
register GC *pGC;
|
|
register DrawablePtr pDraw;
|
|
REQUEST(xPolyPointReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xPolyPointReq);
|
|
if ((stuff->coordMode != CoordModeOrigin) &&
|
|
(stuff->coordMode != CoordModePrevious))
|
|
{
|
|
client->errorValue = stuff->coordMode;
|
|
return BadValue;
|
|
}
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
npoint = ((client->req_len << 2) - sizeof(xPolyPointReq)) >> 2;
|
|
if (npoint)
|
|
(*pGC->ops->PolyPoint)(pDraw, pGC, stuff->coordMode, npoint,
|
|
(xPoint *) &stuff[1]);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcPolyLine(client)
|
|
register ClientPtr client;
|
|
{
|
|
int npoint;
|
|
register GC *pGC;
|
|
register DrawablePtr pDraw;
|
|
REQUEST(xPolyLineReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xPolyLineReq);
|
|
if ((stuff->coordMode != CoordModeOrigin) &&
|
|
(stuff->coordMode != CoordModePrevious))
|
|
{
|
|
client->errorValue = stuff->coordMode;
|
|
return BadValue;
|
|
}
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
npoint = ((client->req_len << 2) - sizeof(xPolyLineReq)) >> 2;
|
|
if (npoint > 1)
|
|
(*pGC->ops->Polylines)(pDraw, pGC, stuff->coordMode, npoint,
|
|
(DDXPointPtr) &stuff[1]);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcPolySegment(client)
|
|
register ClientPtr client;
|
|
{
|
|
int nsegs;
|
|
register GC *pGC;
|
|
register DrawablePtr pDraw;
|
|
REQUEST(xPolySegmentReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xPolySegmentReq);
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
nsegs = (client->req_len << 2) - sizeof(xPolySegmentReq);
|
|
if (nsegs & 4)
|
|
return(BadLength);
|
|
nsegs >>= 3;
|
|
if (nsegs)
|
|
(*pGC->ops->PolySegment)(pDraw, pGC, nsegs, (xSegment *) &stuff[1]);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcPolyRectangle (client)
|
|
register ClientPtr client;
|
|
{
|
|
int nrects;
|
|
register GC *pGC;
|
|
register DrawablePtr pDraw;
|
|
REQUEST(xPolyRectangleReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xPolyRectangleReq);
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
nrects = (client->req_len << 2) - sizeof(xPolyRectangleReq);
|
|
if (nrects & 4)
|
|
return(BadLength);
|
|
nrects >>= 3;
|
|
if (nrects)
|
|
(*pGC->ops->PolyRectangle)(pDraw, pGC,
|
|
nrects, (xRectangle *) &stuff[1]);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcPolyArc(client)
|
|
register ClientPtr client;
|
|
{
|
|
int narcs;
|
|
register GC *pGC;
|
|
register DrawablePtr pDraw;
|
|
REQUEST(xPolyArcReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xPolyArcReq);
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
narcs = (client->req_len << 2) - sizeof(xPolyArcReq);
|
|
if (narcs % sizeof(xArc))
|
|
return(BadLength);
|
|
narcs /= sizeof(xArc);
|
|
if (narcs)
|
|
(*pGC->ops->PolyArc)(pDraw, pGC, narcs, (xArc *) &stuff[1]);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcFillPoly(client)
|
|
register ClientPtr client;
|
|
{
|
|
int things;
|
|
register GC *pGC;
|
|
register DrawablePtr pDraw;
|
|
REQUEST(xFillPolyReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xFillPolyReq);
|
|
if ((stuff->shape != Complex) && (stuff->shape != Nonconvex) &&
|
|
(stuff->shape != Convex))
|
|
{
|
|
client->errorValue = stuff->shape;
|
|
return BadValue;
|
|
}
|
|
if ((stuff->coordMode != CoordModeOrigin) &&
|
|
(stuff->coordMode != CoordModePrevious))
|
|
{
|
|
client->errorValue = stuff->coordMode;
|
|
return BadValue;
|
|
}
|
|
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
things = ((client->req_len << 2) - sizeof(xFillPolyReq)) >> 2;
|
|
if (things)
|
|
(*pGC->ops->FillPolygon) (pDraw, pGC, stuff->shape,
|
|
stuff->coordMode, things,
|
|
(DDXPointPtr) &stuff[1]);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcPolyFillRectangle(client)
|
|
register ClientPtr client;
|
|
{
|
|
int things;
|
|
register GC *pGC;
|
|
register DrawablePtr pDraw;
|
|
REQUEST(xPolyFillRectangleReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq);
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
things = (client->req_len << 2) - sizeof(xPolyFillRectangleReq);
|
|
if (things & 4)
|
|
return(BadLength);
|
|
things >>= 3;
|
|
|
|
if (things)
|
|
(*pGC->ops->PolyFillRect) (pDraw, pGC, things,
|
|
(xRectangle *) &stuff[1]);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcPolyFillArc(client)
|
|
register ClientPtr client;
|
|
{
|
|
int narcs;
|
|
register GC *pGC;
|
|
register DrawablePtr pDraw;
|
|
REQUEST(xPolyFillArcReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xPolyFillArcReq);
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
narcs = (client->req_len << 2) - sizeof(xPolyFillArcReq);
|
|
if (narcs % sizeof(xArc))
|
|
return(BadLength);
|
|
narcs /= sizeof(xArc);
|
|
if (narcs)
|
|
(*pGC->ops->PolyFillArc) (pDraw, pGC, narcs, (xArc *) &stuff[1]);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
#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(client)
|
|
register ClientPtr client;
|
|
{
|
|
register GC *pGC;
|
|
register DrawablePtr pDraw;
|
|
long length; /* length of scanline server padded */
|
|
long lengthProto; /* length of scanline protocol padded */
|
|
char *tmpImage;
|
|
REQUEST(xPutImageReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xPutImageReq);
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
if (stuff->format == XYBitmap)
|
|
{
|
|
if ((stuff->depth != 1) ||
|
|
(stuff->leftPad >= (unsigned int)screenInfo.bitmapScanlinePad))
|
|
return BadMatch;
|
|
length = BitmapBytePad(stuff->width + stuff->leftPad);
|
|
}
|
|
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 (((((lengthProto * stuff->height) + (unsigned)3) >> 2) +
|
|
(sizeof(xPutImageReq) >> 2)) != 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 (client->noClientException);
|
|
}
|
|
|
|
|
|
int
|
|
DoGetImage(client, format, drawable, x, y, width, height, planemask, im_return)
|
|
register ClientPtr client;
|
|
Drawable drawable;
|
|
int format;
|
|
int x, y, width, height;
|
|
Mask planemask;
|
|
xGetImageReply **im_return;
|
|
{
|
|
register DrawablePtr pDraw;
|
|
int nlines, linesPerBuf;
|
|
register int linesDone;
|
|
long widthBytesLine, length;
|
|
Mask plane = 0;
|
|
char *pBuf;
|
|
xGetImageReply xgi;
|
|
#ifdef XCSECURITY
|
|
RegionPtr pVisibleRegion = NULL;
|
|
#endif
|
|
|
|
if ((format != XYPixmap) && (format != ZPixmap))
|
|
{
|
|
client->errorValue = format;
|
|
return(BadValue);
|
|
}
|
|
SECURITY_VERIFY_DRAWABLE(pDraw, drawable, client, SecurityReadAccess);
|
|
if(pDraw->type == DRAWABLE_WINDOW)
|
|
{
|
|
if( /* check for being viewable */
|
|
!((WindowPtr) pDraw)->realized ||
|
|
/* check for being on screen */
|
|
pDraw->x + x < 0 ||
|
|
pDraw->x + x + width > pDraw->pScreen->width ||
|
|
pDraw->y + y < 0 ||
|
|
pDraw->y + y + height > pDraw->pScreen->height ||
|
|
/* check for being inside of border */
|
|
x < - wBorderWidth((WindowPtr)pDraw) ||
|
|
x + width > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width ||
|
|
y < -wBorderWidth((WindowPtr)pDraw) ||
|
|
y + height > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height
|
|
)
|
|
return(BadMatch);
|
|
xgi.visual = wVisual (((WindowPtr) pDraw));
|
|
}
|
|
else
|
|
{
|
|
if(x < 0 ||
|
|
x+width > (int)pDraw->width ||
|
|
y < 0 ||
|
|
y+height > (int)pDraw->height
|
|
)
|
|
return(BadMatch);
|
|
xgi.visual = None;
|
|
}
|
|
|
|
SET_DBE_SRCBUF(pDraw, drawable);
|
|
|
|
xgi.type = X_Reply;
|
|
xgi.sequenceNumber = client->sequence;
|
|
xgi.depth = pDraw->depth;
|
|
if(format == ZPixmap)
|
|
{
|
|
widthBytesLine = PixmapBytePad(width, pDraw->depth);
|
|
length = widthBytesLine * height;
|
|
|
|
}
|
|
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 = (char *)xalloc(sz_xGetImageReply + length);
|
|
if (!pBuf)
|
|
return (BadAlloc);
|
|
if (widthBytesLine == 0)
|
|
linesPerBuf = 0;
|
|
else
|
|
linesPerBuf = height;
|
|
*im_return = (xGetImageReply *)pBuf;
|
|
*(xGetImageReply *)pBuf = xgi;
|
|
pBuf += sz_xGetImageReply;
|
|
} else {
|
|
xgi.length = (xgi.length + 3) >> 2;
|
|
if (widthBytesLine == 0 || height == 0)
|
|
linesPerBuf = 0;
|
|
else if (widthBytesLine >= IMAGE_BUFSIZE)
|
|
linesPerBuf = 1;
|
|
else
|
|
{
|
|
linesPerBuf = IMAGE_BUFSIZE / widthBytesLine;
|
|
if (linesPerBuf > height)
|
|
linesPerBuf = height;
|
|
}
|
|
length = linesPerBuf * widthBytesLine;
|
|
if (linesPerBuf < height)
|
|
{
|
|
/* we have to make sure intermediate buffers don't need padding */
|
|
while ((linesPerBuf > 1) &&
|
|
(length & ((1L << LOG2_BYTES_PER_SCANLINE_PAD)-1)))
|
|
{
|
|
linesPerBuf--;
|
|
length -= widthBytesLine;
|
|
}
|
|
while (length & ((1L << LOG2_BYTES_PER_SCANLINE_PAD)-1))
|
|
{
|
|
linesPerBuf++;
|
|
length += widthBytesLine;
|
|
}
|
|
}
|
|
if(!(pBuf = (char *) ALLOCATE_LOCAL(length)))
|
|
return (BadAlloc);
|
|
WriteReplyToClient(client, sizeof (xGetImageReply), &xgi);
|
|
}
|
|
|
|
#ifdef XCSECURITY
|
|
if (client->trustLevel != XSecurityClientTrusted &&
|
|
pDraw->type == DRAWABLE_WINDOW)
|
|
{
|
|
pVisibleRegion = NotClippedByChildren((WindowPtr)pDraw);
|
|
if (pVisibleRegion)
|
|
{
|
|
REGION_TRANSLATE(pDraw->pScreen, pVisibleRegion, -pDraw->x, -pDraw->y);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (linesPerBuf == 0)
|
|
{
|
|
/* nothing to do */
|
|
}
|
|
else if (format == ZPixmap)
|
|
{
|
|
linesDone = 0;
|
|
while (height - linesDone > 0)
|
|
{
|
|
nlines = min(linesPerBuf, height - linesDone);
|
|
(*pDraw->pScreen->GetImage) (pDraw,
|
|
x,
|
|
y + linesDone,
|
|
width,
|
|
nlines,
|
|
format,
|
|
planemask,
|
|
(pointer) pBuf);
|
|
#ifdef XCSECURITY
|
|
if (pVisibleRegion)
|
|
SecurityCensorImage(client, pVisibleRegion, widthBytesLine,
|
|
pDraw, x, y + linesDone, width,
|
|
nlines, format, pBuf);
|
|
#endif
|
|
|
|
/* 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);
|
|
#ifdef XCSECURITY
|
|
if (pVisibleRegion)
|
|
SecurityCensorImage(client, pVisibleRegion,
|
|
widthBytesLine,
|
|
pDraw, x, y + linesDone, width,
|
|
nlines, format, pBuf);
|
|
#endif
|
|
|
|
/* 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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#ifdef XCSECURITY
|
|
if (pVisibleRegion)
|
|
REGION_DESTROY(pDraw->pScreen, pVisibleRegion);
|
|
#endif
|
|
if (!im_return)
|
|
DEALLOCATE_LOCAL(pBuf);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcGetImage(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xGetImageReq);
|
|
|
|
REQUEST_SIZE_MATCH(xGetImageReq);
|
|
|
|
return DoGetImage(client, stuff->format, stuff->drawable,
|
|
stuff->x, stuff->y,
|
|
(int)stuff->width, (int)stuff->height,
|
|
stuff->planeMask, (xGetImageReply **)NULL);
|
|
}
|
|
|
|
int
|
|
ProcPolyText(client)
|
|
register ClientPtr client;
|
|
{
|
|
int err;
|
|
REQUEST(xPolyTextReq);
|
|
DrawablePtr pDraw;
|
|
GC *pGC;
|
|
|
|
REQUEST_AT_LEAST_SIZE(xPolyTextReq);
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
|
|
err = PolyText(client,
|
|
pDraw,
|
|
pGC,
|
|
(unsigned char *)&stuff[1],
|
|
((unsigned char *) stuff) + (client->req_len << 2),
|
|
stuff->x,
|
|
stuff->y,
|
|
stuff->reqType,
|
|
stuff->drawable);
|
|
|
|
if (err == Success)
|
|
{
|
|
return(client->noClientException);
|
|
}
|
|
else
|
|
return err;
|
|
}
|
|
|
|
int
|
|
ProcImageText8(client)
|
|
register ClientPtr client;
|
|
{
|
|
int err;
|
|
register DrawablePtr pDraw;
|
|
register GC *pGC;
|
|
|
|
REQUEST(xImageTextReq);
|
|
|
|
REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars);
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
|
|
err = ImageText(client,
|
|
pDraw,
|
|
pGC,
|
|
stuff->nChars,
|
|
(unsigned char *)&stuff[1],
|
|
stuff->x,
|
|
stuff->y,
|
|
stuff->reqType,
|
|
stuff->drawable);
|
|
|
|
if (err == Success)
|
|
{
|
|
return(client->noClientException);
|
|
}
|
|
else
|
|
return err;
|
|
}
|
|
|
|
int
|
|
ProcImageText16(client)
|
|
register ClientPtr client;
|
|
{
|
|
int err;
|
|
register DrawablePtr pDraw;
|
|
register GC *pGC;
|
|
|
|
REQUEST(xImageTextReq);
|
|
|
|
REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1);
|
|
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
|
|
|
|
err = ImageText(client,
|
|
pDraw,
|
|
pGC,
|
|
stuff->nChars,
|
|
(unsigned char *)&stuff[1],
|
|
stuff->x,
|
|
stuff->y,
|
|
stuff->reqType,
|
|
stuff->drawable);
|
|
|
|
if (err == Success)
|
|
{
|
|
return(client->noClientException);
|
|
}
|
|
else
|
|
return err;
|
|
}
|
|
|
|
|
|
int
|
|
ProcCreateColormap(client)
|
|
register ClientPtr client;
|
|
{
|
|
VisualPtr pVisual;
|
|
ColormapPtr pmap;
|
|
Colormap mid;
|
|
register WindowPtr pWin;
|
|
ScreenPtr pScreen;
|
|
REQUEST(xCreateColormapReq);
|
|
int i, result;
|
|
|
|
REQUEST_SIZE_MATCH(xCreateColormapReq);
|
|
|
|
if ((stuff->alloc != AllocNone) && (stuff->alloc != AllocAll))
|
|
{
|
|
client->errorValue = stuff->alloc;
|
|
return(BadValue);
|
|
}
|
|
mid = stuff->mid;
|
|
LEGAL_NEW_RESOURCE(mid, client);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
|
|
SecurityReadAccess);
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
|
|
pScreen = pWin->drawable.pScreen;
|
|
for (i = 0, pVisual = pScreen->visuals;
|
|
i < pScreen->numVisuals;
|
|
i++, pVisual++)
|
|
{
|
|
if (pVisual->vid != stuff->visual)
|
|
continue;
|
|
result = CreateColormap(mid, pScreen, pVisual, &pmap,
|
|
(int)stuff->alloc, client->index);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(result);
|
|
}
|
|
client->errorValue = stuff->visual;
|
|
return(BadValue);
|
|
}
|
|
|
|
int
|
|
ProcFreeColormap(client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pmap;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pmap = (ColormapPtr )SecurityLookupIDByType(client, stuff->id, RT_COLORMAP,
|
|
SecurityDestroyAccess);
|
|
if (pmap)
|
|
{
|
|
/* Freeing a default colormap is a no-op */
|
|
if (!(pmap->flags & IsDefault))
|
|
FreeResource(stuff->id, RT_NONE);
|
|
return (client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->id;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
|
|
int
|
|
ProcCopyColormapAndFree(client)
|
|
register ClientPtr client;
|
|
{
|
|
Colormap mid;
|
|
ColormapPtr pSrcMap;
|
|
REQUEST(xCopyColormapAndFreeReq);
|
|
int result;
|
|
|
|
REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq);
|
|
mid = stuff->mid;
|
|
LEGAL_NEW_RESOURCE(mid, client);
|
|
if( (pSrcMap = (ColormapPtr )SecurityLookupIDByType(client, stuff->srcCmap,
|
|
RT_COLORMAP, SecurityReadAccess|SecurityWriteAccess)) )
|
|
{
|
|
result = CopyColormapAndFree(mid, pSrcMap, client->index);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(result);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->srcCmap;
|
|
return(BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcInstallColormap(client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pcmp;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->id,
|
|
RT_COLORMAP, SecurityReadAccess);
|
|
if (pcmp)
|
|
{
|
|
(*(pcmp->pScreen->InstallColormap)) (pcmp);
|
|
return (client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->id;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcUninstallColormap(client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pcmp;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->id,
|
|
RT_COLORMAP, SecurityReadAccess);
|
|
if (pcmp)
|
|
{
|
|
if(pcmp->mid != pcmp->pScreen->defColormap)
|
|
(*(pcmp->pScreen->UninstallColormap)) (pcmp);
|
|
return (client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->id;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcListInstalledColormaps(client)
|
|
register ClientPtr client;
|
|
{
|
|
xListInstalledColormapsReply *preply;
|
|
int nummaps;
|
|
WindowPtr pWin;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pWin = (WindowPtr)SecurityLookupWindow(stuff->id, client,
|
|
SecurityReadAccess);
|
|
|
|
if (!pWin)
|
|
return(BadWindow);
|
|
|
|
preply = (xListInstalledColormapsReply *)
|
|
ALLOCATE_LOCAL(sizeof(xListInstalledColormapsReply) +
|
|
pWin->drawable.pScreen->maxInstalledCmaps *
|
|
sizeof(Colormap));
|
|
if(!preply)
|
|
return(BadAlloc);
|
|
|
|
preply->type = X_Reply;
|
|
preply->sequenceNumber = client->sequence;
|
|
nummaps = (*pWin->drawable.pScreen->ListInstalledColormaps)
|
|
(pWin->drawable.pScreen, (Colormap *)&preply[1]);
|
|
preply->nColormaps = nummaps;
|
|
preply->length = nummaps;
|
|
WriteReplyToClient(client, sizeof (xListInstalledColormapsReply), preply);
|
|
client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
|
|
WriteSwappedDataToClient(client, nummaps * sizeof(Colormap), &preply[1]);
|
|
DEALLOCATE_LOCAL(preply);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcAllocColor(client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pmap;
|
|
int retval;
|
|
xAllocColorReply acr;
|
|
REQUEST(xAllocColorReq);
|
|
|
|
REQUEST_SIZE_MATCH(xAllocColorReq);
|
|
pmap = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
|
|
RT_COLORMAP, SecurityWriteAccess);
|
|
if (pmap)
|
|
{
|
|
#ifdef LBX
|
|
/*
|
|
* If the colormap is grabbed by a proxy, the server will have
|
|
* to regain control over the colormap. This AllocColor request
|
|
* will be handled after the server gets back the colormap control.
|
|
*/
|
|
if (LbxCheckColorRequest (client, pmap, (xReq *) stuff))
|
|
return Success;
|
|
#endif
|
|
acr.type = X_Reply;
|
|
acr.length = 0;
|
|
acr.sequenceNumber = client->sequence;
|
|
acr.red = stuff->red;
|
|
acr.green = stuff->green;
|
|
acr.blue = stuff->blue;
|
|
acr.pixel = 0;
|
|
if( (retval = AllocColor(pmap, &acr.red, &acr.green, &acr.blue,
|
|
&acr.pixel, client->index)) )
|
|
{
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return (retval);
|
|
}
|
|
#ifdef PANORAMIX
|
|
if (noPanoramiXExtension || !pmap->pScreen->myNum)
|
|
#endif
|
|
WriteReplyToClient(client, sizeof(xAllocColorReply), &acr);
|
|
return (client->noClientException);
|
|
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->cmap;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcAllocNamedColor (client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pcmp;
|
|
REQUEST(xAllocNamedColorReq);
|
|
|
|
REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes);
|
|
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
|
|
RT_COLORMAP, SecurityWriteAccess);
|
|
if (pcmp)
|
|
{
|
|
int retval;
|
|
|
|
xAllocNamedColorReply ancr;
|
|
|
|
#ifdef LBX
|
|
/*
|
|
* If the colormap is grabbed by a proxy, the server will have
|
|
* to regain control over the colormap. This AllocNamedColor request
|
|
* will be handled after the server gets back the colormap control.
|
|
*/
|
|
if (LbxCheckColorRequest (client, pcmp, (xReq *) stuff))
|
|
return Success;
|
|
#endif
|
|
ancr.type = X_Reply;
|
|
ancr.length = 0;
|
|
ancr.sequenceNumber = client->sequence;
|
|
|
|
if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1], stuff->nbytes,
|
|
&ancr.exactRed, &ancr.exactGreen, &ancr.exactBlue))
|
|
{
|
|
ancr.screenRed = ancr.exactRed;
|
|
ancr.screenGreen = ancr.exactGreen;
|
|
ancr.screenBlue = ancr.exactBlue;
|
|
ancr.pixel = 0;
|
|
if( (retval = AllocColor(pcmp,
|
|
&ancr.screenRed, &ancr.screenGreen, &ancr.screenBlue,
|
|
&ancr.pixel, client->index)) )
|
|
{
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(retval);
|
|
}
|
|
#ifdef PANORAMIX
|
|
if (noPanoramiXExtension || !pcmp->pScreen->myNum)
|
|
#endif
|
|
WriteReplyToClient(client, sizeof (xAllocNamedColorReply), &ancr);
|
|
return (client->noClientException);
|
|
}
|
|
else
|
|
return(BadName);
|
|
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->cmap;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcAllocColorCells (client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pcmp;
|
|
REQUEST(xAllocColorCellsReq);
|
|
|
|
REQUEST_SIZE_MATCH(xAllocColorCellsReq);
|
|
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
|
|
RT_COLORMAP, SecurityWriteAccess);
|
|
if (pcmp)
|
|
{
|
|
xAllocColorCellsReply accr;
|
|
int npixels, nmasks, retval;
|
|
long length;
|
|
Pixel *ppixels, *pmasks;
|
|
|
|
#ifdef LBX
|
|
/*
|
|
* If the colormap is grabbed by a proxy, the server will have
|
|
* to regain control over the colormap. This AllocColorCells request
|
|
* will be handled after the server gets back the colormap control.
|
|
*/
|
|
if (LbxCheckColorRequest (client, pcmp, (xReq *) stuff))
|
|
return Success;
|
|
#endif
|
|
npixels = stuff->colors;
|
|
if (!npixels)
|
|
{
|
|
client->errorValue = npixels;
|
|
return (BadValue);
|
|
}
|
|
if (stuff->contiguous != xTrue && stuff->contiguous != xFalse)
|
|
{
|
|
client->errorValue = stuff->contiguous;
|
|
return (BadValue);
|
|
}
|
|
nmasks = stuff->planes;
|
|
length = ((long)npixels + (long)nmasks) * sizeof(Pixel);
|
|
ppixels = (Pixel *)ALLOCATE_LOCAL(length);
|
|
if(!ppixels)
|
|
return(BadAlloc);
|
|
pmasks = ppixels + npixels;
|
|
|
|
if( (retval = AllocColorCells(client->index, pcmp, npixels, nmasks,
|
|
(Bool)stuff->contiguous, ppixels, pmasks)) )
|
|
{
|
|
DEALLOCATE_LOCAL(ppixels);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(retval);
|
|
}
|
|
#ifdef PANORAMIX
|
|
if (noPanoramiXExtension || !pcmp->pScreen->myNum)
|
|
#endif
|
|
{
|
|
accr.type = X_Reply;
|
|
accr.length = length >> 2;
|
|
accr.sequenceNumber = client->sequence;
|
|
accr.nPixels = npixels;
|
|
accr.nMasks = nmasks;
|
|
WriteReplyToClient(client, sizeof (xAllocColorCellsReply), &accr);
|
|
client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
|
|
WriteSwappedDataToClient(client, length, ppixels);
|
|
}
|
|
DEALLOCATE_LOCAL(ppixels);
|
|
return (client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->cmap;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcAllocColorPlanes(client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pcmp;
|
|
REQUEST(xAllocColorPlanesReq);
|
|
|
|
REQUEST_SIZE_MATCH(xAllocColorPlanesReq);
|
|
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
|
|
RT_COLORMAP, SecurityWriteAccess);
|
|
if (pcmp)
|
|
{
|
|
xAllocColorPlanesReply acpr;
|
|
int npixels, retval;
|
|
long length;
|
|
Pixel *ppixels;
|
|
|
|
#ifdef LBX
|
|
/*
|
|
* If the colormap is grabbed by a proxy, the server will have
|
|
* to regain control over the colormap. This AllocColorPlanes request
|
|
* will be handled after the server gets back the colormap control.
|
|
*/
|
|
if (LbxCheckColorRequest (client, pcmp, (xReq *) stuff))
|
|
return Success;
|
|
#endif
|
|
npixels = stuff->colors;
|
|
if (!npixels)
|
|
{
|
|
client->errorValue = npixels;
|
|
return (BadValue);
|
|
}
|
|
if (stuff->contiguous != xTrue && stuff->contiguous != xFalse)
|
|
{
|
|
client->errorValue = stuff->contiguous;
|
|
return (BadValue);
|
|
}
|
|
acpr.type = X_Reply;
|
|
acpr.sequenceNumber = client->sequence;
|
|
acpr.nPixels = npixels;
|
|
length = (long)npixels * sizeof(Pixel);
|
|
ppixels = (Pixel *)ALLOCATE_LOCAL(length);
|
|
if(!ppixels)
|
|
return(BadAlloc);
|
|
if( (retval = AllocColorPlanes(client->index, pcmp, npixels,
|
|
(int)stuff->red, (int)stuff->green, (int)stuff->blue,
|
|
(Bool)stuff->contiguous, ppixels,
|
|
&acpr.redMask, &acpr.greenMask, &acpr.blueMask)) )
|
|
{
|
|
DEALLOCATE_LOCAL(ppixels);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(retval);
|
|
}
|
|
acpr.length = length >> 2;
|
|
#ifdef PANORAMIX
|
|
if (noPanoramiXExtension || !pcmp->pScreen->myNum)
|
|
#endif
|
|
{
|
|
WriteReplyToClient(client, sizeof(xAllocColorPlanesReply), &acpr);
|
|
client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
|
|
WriteSwappedDataToClient(client, length, ppixels);
|
|
}
|
|
DEALLOCATE_LOCAL(ppixels);
|
|
return (client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->cmap;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcFreeColors (client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pcmp;
|
|
REQUEST(xFreeColorsReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xFreeColorsReq);
|
|
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
|
|
RT_COLORMAP, SecurityWriteAccess);
|
|
if (pcmp)
|
|
{
|
|
int count;
|
|
int retval;
|
|
|
|
if(pcmp->flags & AllAllocated)
|
|
return(BadAccess);
|
|
count = ((client->req_len << 2)- sizeof(xFreeColorsReq)) >> 2;
|
|
retval = FreeColors(pcmp, client->index, count,
|
|
(Pixel *)&stuff[1], (Pixel)stuff->planeMask);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
{
|
|
client->errorValue = clientErrorValue;
|
|
return(retval);
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->cmap;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcStoreColors (client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pcmp;
|
|
REQUEST(xStoreColorsReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xStoreColorsReq);
|
|
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
|
|
RT_COLORMAP, SecurityWriteAccess);
|
|
if (pcmp)
|
|
{
|
|
int count;
|
|
int retval;
|
|
|
|
count = (client->req_len << 2) - sizeof(xStoreColorsReq);
|
|
if (count % sizeof(xColorItem))
|
|
return(BadLength);
|
|
count /= sizeof(xColorItem);
|
|
retval = StoreColors(pcmp, count, (xColorItem *)&stuff[1]);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
{
|
|
client->errorValue = clientErrorValue;
|
|
return(retval);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->cmap;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcStoreNamedColor (client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pcmp;
|
|
REQUEST(xStoreNamedColorReq);
|
|
|
|
REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes);
|
|
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
|
|
RT_COLORMAP, SecurityWriteAccess);
|
|
if (pcmp)
|
|
{
|
|
xColorItem def;
|
|
int retval;
|
|
|
|
if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1],
|
|
stuff->nbytes, &def.red, &def.green, &def.blue))
|
|
{
|
|
def.flags = stuff->flags;
|
|
def.pixel = stuff->pixel;
|
|
retval = StoreColors(pcmp, 1, &def);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
return(retval);
|
|
}
|
|
return (BadName);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->cmap;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcQueryColors(client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pcmp;
|
|
REQUEST(xQueryColorsReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xQueryColorsReq);
|
|
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
|
|
RT_COLORMAP, SecurityReadAccess);
|
|
if (pcmp)
|
|
{
|
|
int count, retval;
|
|
xrgb *prgbs;
|
|
xQueryColorsReply qcr;
|
|
|
|
count = ((client->req_len << 2) - sizeof(xQueryColorsReq)) >> 2;
|
|
prgbs = (xrgb *)ALLOCATE_LOCAL(count * sizeof(xrgb));
|
|
if(!prgbs && count)
|
|
return(BadAlloc);
|
|
if( (retval = QueryColors(pcmp, count, (Pixel *)&stuff[1], prgbs)) )
|
|
{
|
|
if (prgbs) DEALLOCATE_LOCAL(prgbs);
|
|
if (client->noClientException != Success)
|
|
return(client->noClientException);
|
|
else
|
|
{
|
|
client->errorValue = clientErrorValue;
|
|
return (retval);
|
|
}
|
|
}
|
|
qcr.type = X_Reply;
|
|
qcr.length = (count * sizeof(xrgb)) >> 2;
|
|
qcr.sequenceNumber = client->sequence;
|
|
qcr.nColors = count;
|
|
WriteReplyToClient(client, sizeof(xQueryColorsReply), &qcr);
|
|
if (count)
|
|
{
|
|
client->pSwapReplyFunc = (ReplySwapPtr) SQColorsExtend;
|
|
WriteSwappedDataToClient(client, count * sizeof(xrgb), prgbs);
|
|
}
|
|
if (prgbs) DEALLOCATE_LOCAL(prgbs);
|
|
return(client->noClientException);
|
|
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->cmap;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcLookupColor(client)
|
|
register ClientPtr client;
|
|
{
|
|
ColormapPtr pcmp;
|
|
REQUEST(xLookupColorReq);
|
|
|
|
REQUEST_FIXED_SIZE(xLookupColorReq, stuff->nbytes);
|
|
pcmp = (ColormapPtr)SecurityLookupIDByType(client, stuff->cmap,
|
|
RT_COLORMAP, SecurityReadAccess);
|
|
if (pcmp)
|
|
{
|
|
xLookupColorReply lcr;
|
|
|
|
if(OsLookupColor(pcmp->pScreen->myNum, (char *)&stuff[1], stuff->nbytes,
|
|
&lcr.exactRed, &lcr.exactGreen, &lcr.exactBlue))
|
|
{
|
|
lcr.type = X_Reply;
|
|
lcr.length = 0;
|
|
lcr.sequenceNumber = client->sequence;
|
|
lcr.screenRed = lcr.exactRed;
|
|
lcr.screenGreen = lcr.exactGreen;
|
|
lcr.screenBlue = lcr.exactBlue;
|
|
(*pcmp->pScreen->ResolveColor)(&lcr.screenRed,
|
|
&lcr.screenGreen,
|
|
&lcr.screenBlue,
|
|
pcmp->pVisual);
|
|
WriteReplyToClient(client, sizeof(xLookupColorReply), &lcr);
|
|
return(client->noClientException);
|
|
}
|
|
return (BadName);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->cmap;
|
|
return (BadColor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcCreateCursor( client)
|
|
register ClientPtr client;
|
|
{
|
|
CursorPtr pCursor;
|
|
|
|
register PixmapPtr src;
|
|
register PixmapPtr msk;
|
|
unsigned char * srcbits;
|
|
unsigned char * mskbits;
|
|
unsigned short width, height;
|
|
long n;
|
|
CursorMetricRec cm;
|
|
|
|
|
|
REQUEST(xCreateCursorReq);
|
|
|
|
REQUEST_SIZE_MATCH(xCreateCursorReq);
|
|
LEGAL_NEW_RESOURCE(stuff->cid, client);
|
|
|
|
src = (PixmapPtr)SecurityLookupIDByType(client, stuff->source,
|
|
RT_PIXMAP, SecurityReadAccess);
|
|
msk = (PixmapPtr)SecurityLookupIDByType(client, stuff->mask,
|
|
RT_PIXMAP, SecurityReadAccess);
|
|
if ( src == (PixmapPtr)NULL)
|
|
{
|
|
client->errorValue = stuff->source;
|
|
return (BadPixmap);
|
|
}
|
|
if ( msk == (PixmapPtr)NULL)
|
|
{
|
|
if (stuff->mask != None)
|
|
{
|
|
client->errorValue = stuff->mask;
|
|
return (BadPixmap);
|
|
}
|
|
}
|
|
else if ( src->drawable.width != msk->drawable.width
|
|
|| src->drawable.height != msk->drawable.height
|
|
|| src->drawable.depth != 1
|
|
|| msk->drawable.depth != 1)
|
|
return (BadMatch);
|
|
|
|
width = src->drawable.width;
|
|
height = src->drawable.height;
|
|
|
|
if ( stuff->x > width
|
|
|| stuff->y > height )
|
|
return (BadMatch);
|
|
|
|
n = BitmapBytePad(width)*height;
|
|
srcbits = (unsigned char *)xalloc(n);
|
|
if (!srcbits)
|
|
return (BadAlloc);
|
|
mskbits = (unsigned char *)xalloc(n);
|
|
if (!mskbits)
|
|
{
|
|
xfree(srcbits);
|
|
return (BadAlloc);
|
|
}
|
|
|
|
/* zeroing the (pad) bits helps some ddx cursor handling */
|
|
bzero((char *)srcbits, n);
|
|
(* src->drawable.pScreen->GetImage)( (DrawablePtr)src, 0, 0, width, height,
|
|
XYPixmap, 1, (pointer)srcbits);
|
|
if ( msk == (PixmapPtr)NULL)
|
|
{
|
|
register unsigned char *bits = mskbits;
|
|
while (--n >= 0)
|
|
*bits++ = ~0;
|
|
}
|
|
else
|
|
{
|
|
/* zeroing the (pad) bits helps some ddx cursor handling */
|
|
bzero((char *)mskbits, n);
|
|
(* msk->drawable.pScreen->GetImage)( (DrawablePtr)msk, 0, 0, width,
|
|
height, XYPixmap, 1, (pointer)mskbits);
|
|
}
|
|
cm.width = width;
|
|
cm.height = height;
|
|
cm.xhot = stuff->x;
|
|
cm.yhot = stuff->y;
|
|
pCursor = AllocCursor( srcbits, mskbits, &cm,
|
|
stuff->foreRed, stuff->foreGreen, stuff->foreBlue,
|
|
stuff->backRed, stuff->backGreen, stuff->backBlue);
|
|
|
|
if (pCursor && AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor))
|
|
return (client->noClientException);
|
|
return BadAlloc;
|
|
}
|
|
|
|
int
|
|
ProcCreateGlyphCursor( client)
|
|
register ClientPtr client;
|
|
{
|
|
CursorPtr pCursor;
|
|
int res;
|
|
|
|
REQUEST(xCreateGlyphCursorReq);
|
|
|
|
REQUEST_SIZE_MATCH(xCreateGlyphCursorReq);
|
|
LEGAL_NEW_RESOURCE(stuff->cid, client);
|
|
|
|
res = AllocGlyphCursor(stuff->source, stuff->sourceChar,
|
|
stuff->mask, stuff->maskChar,
|
|
stuff->foreRed, stuff->foreGreen, stuff->foreBlue,
|
|
stuff->backRed, stuff->backGreen, stuff->backBlue,
|
|
&pCursor, client);
|
|
if (res != Success)
|
|
return res;
|
|
if (AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor))
|
|
return client->noClientException;
|
|
return BadAlloc;
|
|
}
|
|
|
|
|
|
int
|
|
ProcFreeCursor(client)
|
|
register ClientPtr client;
|
|
{
|
|
CursorPtr pCursor;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
pCursor = (CursorPtr)SecurityLookupIDByType(client, stuff->id,
|
|
RT_CURSOR, SecurityDestroyAccess);
|
|
if (pCursor)
|
|
{
|
|
FreeResource(stuff->id, RT_NONE);
|
|
return (client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->id;
|
|
return (BadCursor);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcQueryBestSize (client)
|
|
register ClientPtr client;
|
|
{
|
|
xQueryBestSizeReply reply;
|
|
register DrawablePtr pDraw;
|
|
ScreenPtr pScreen;
|
|
REQUEST(xQueryBestSizeReq);
|
|
|
|
REQUEST_SIZE_MATCH(xQueryBestSizeReq);
|
|
if ((stuff->class != CursorShape) &&
|
|
(stuff->class != TileShape) &&
|
|
(stuff->class != StippleShape))
|
|
{
|
|
client->errorValue = stuff->class;
|
|
return(BadValue);
|
|
}
|
|
SECURITY_VERIFY_GEOMETRABLE (pDraw, stuff->drawable, client,
|
|
SecurityReadAccess);
|
|
if (stuff->class != CursorShape && pDraw->type == UNDRAWABLE_WINDOW)
|
|
return (BadMatch);
|
|
pScreen = pDraw->pScreen;
|
|
(* pScreen->QueryBestSize)(stuff->class, &stuff->width,
|
|
&stuff->height, pScreen);
|
|
reply.type = X_Reply;
|
|
reply.length = 0;
|
|
reply.sequenceNumber = client->sequence;
|
|
reply.width = stuff->width;
|
|
reply.height = stuff->height;
|
|
WriteReplyToClient(client, sizeof(xQueryBestSizeReply), &reply);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
|
|
int
|
|
ProcSetScreenSaver (client)
|
|
register ClientPtr client;
|
|
{
|
|
int blankingOption, exposureOption;
|
|
REQUEST(xSetScreenSaverReq);
|
|
|
|
REQUEST_SIZE_MATCH(xSetScreenSaverReq);
|
|
blankingOption = stuff->preferBlank;
|
|
if ((blankingOption != DontPreferBlanking) &&
|
|
(blankingOption != PreferBlanking) &&
|
|
(blankingOption != DefaultBlanking))
|
|
{
|
|
client->errorValue = blankingOption;
|
|
return BadValue;
|
|
}
|
|
exposureOption = stuff->allowExpose;
|
|
if ((exposureOption != DontAllowExposures) &&
|
|
(exposureOption != AllowExposures) &&
|
|
(exposureOption != DefaultExposures))
|
|
{
|
|
client->errorValue = exposureOption;
|
|
return BadValue;
|
|
}
|
|
if (stuff->timeout < -1)
|
|
{
|
|
client->errorValue = stuff->timeout;
|
|
return BadValue;
|
|
}
|
|
if (stuff->interval < -1)
|
|
{
|
|
client->errorValue = stuff->interval;
|
|
return BadValue;
|
|
}
|
|
|
|
if (blankingOption == DefaultBlanking)
|
|
ScreenSaverBlanking = defaultScreenSaverBlanking;
|
|
else
|
|
ScreenSaverBlanking = blankingOption;
|
|
if (exposureOption == DefaultExposures)
|
|
ScreenSaverAllowExposures = defaultScreenSaverAllowExposures;
|
|
else
|
|
ScreenSaverAllowExposures = exposureOption;
|
|
|
|
if (stuff->timeout >= 0)
|
|
ScreenSaverTime = stuff->timeout * MILLI_PER_SECOND;
|
|
else
|
|
ScreenSaverTime = defaultScreenSaverTime;
|
|
if (stuff->interval >= 0)
|
|
ScreenSaverInterval = stuff->interval * MILLI_PER_SECOND;
|
|
else
|
|
ScreenSaverInterval = defaultScreenSaverInterval;
|
|
|
|
SetScreenSaverTimer();
|
|
return (client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcGetScreenSaver(client)
|
|
register ClientPtr client;
|
|
{
|
|
xGetScreenSaverReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xReq);
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.timeout = ScreenSaverTime / MILLI_PER_SECOND;
|
|
rep.interval = ScreenSaverInterval / MILLI_PER_SECOND;
|
|
rep.preferBlanking = ScreenSaverBlanking;
|
|
rep.allowExposures = ScreenSaverAllowExposures;
|
|
WriteReplyToClient(client, sizeof(xGetScreenSaverReply), &rep);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcChangeHosts(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xChangeHostsReq);
|
|
int result;
|
|
|
|
REQUEST_FIXED_SIZE(xChangeHostsReq, stuff->hostLength);
|
|
|
|
if(stuff->mode == HostInsert)
|
|
result = AddHost(client, (int)stuff->hostFamily,
|
|
stuff->hostLength, (pointer)&stuff[1]);
|
|
else if (stuff->mode == HostDelete)
|
|
result = RemoveHost(client, (int)stuff->hostFamily,
|
|
stuff->hostLength, (pointer)&stuff[1]);
|
|
else
|
|
{
|
|
client->errorValue = stuff->mode;
|
|
return BadValue;
|
|
}
|
|
if (!result)
|
|
result = client->noClientException;
|
|
return (result);
|
|
}
|
|
|
|
int
|
|
ProcListHosts(client)
|
|
register ClientPtr client;
|
|
{
|
|
xListHostsReply reply;
|
|
int len, nHosts, result;
|
|
pointer pdata;
|
|
/* REQUEST(xListHostsReq); */
|
|
|
|
REQUEST_SIZE_MATCH(xListHostsReq);
|
|
#ifdef XCSECURITY
|
|
/* untrusted clients can't list hosts */
|
|
if (client->trustLevel != XSecurityClientTrusted)
|
|
{
|
|
SecurityAudit("client %d attempted to list hosts\n", client->index);
|
|
return BadAccess;
|
|
}
|
|
#endif
|
|
result = GetHosts(&pdata, &nHosts, &len, &reply.enabled);
|
|
if (result != Success)
|
|
return(result);
|
|
reply.type = X_Reply;
|
|
reply.sequenceNumber = client->sequence;
|
|
reply.nHosts = nHosts;
|
|
reply.length = len >> 2;
|
|
WriteReplyToClient(client, sizeof(xListHostsReply), &reply);
|
|
if (nHosts)
|
|
{
|
|
client->pSwapReplyFunc = (ReplySwapPtr) SLHostsExtend;
|
|
WriteSwappedDataToClient(client, len, pdata);
|
|
}
|
|
xfree(pdata);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcChangeAccessControl(client)
|
|
register ClientPtr client;
|
|
{
|
|
int result;
|
|
REQUEST(xSetAccessControlReq);
|
|
|
|
REQUEST_SIZE_MATCH(xSetAccessControlReq);
|
|
if ((stuff->mode != EnableAccess) && (stuff->mode != DisableAccess))
|
|
{
|
|
client->errorValue = stuff->mode;
|
|
return BadValue;
|
|
}
|
|
result = ChangeAccessControl(client, stuff->mode == EnableAccess);
|
|
if (!result)
|
|
result = client->noClientException;
|
|
return (result);
|
|
}
|
|
|
|
int
|
|
ProcKillClient(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xResourceReq);
|
|
ClientPtr killclient;
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
if (stuff->id == AllTemporary)
|
|
{
|
|
CloseDownRetainedResources();
|
|
return (client->noClientException);
|
|
}
|
|
|
|
if ((killclient = LookupClient(stuff->id, client)))
|
|
{
|
|
CloseDownClient(killclient);
|
|
/* if an LBX proxy gets killed, isItTimeToYield will be set */
|
|
if (isItTimeToYield || (client == killclient))
|
|
{
|
|
/* force yield and return Success, so that Dispatch()
|
|
* doesn't try to touch client
|
|
*/
|
|
isItTimeToYield = TRUE;
|
|
return (Success);
|
|
}
|
|
return (client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->id;
|
|
return (BadValue);
|
|
}
|
|
}
|
|
|
|
int
|
|
ProcSetFontPath(client)
|
|
register ClientPtr client;
|
|
{
|
|
unsigned char *ptr;
|
|
unsigned long nbytes, total;
|
|
long nfonts;
|
|
int n, result;
|
|
int error;
|
|
REQUEST(xSetFontPathReq);
|
|
|
|
REQUEST_AT_LEAST_SIZE(xSetFontPathReq);
|
|
|
|
nbytes = (client->req_len << 2) - sizeof(xSetFontPathReq);
|
|
total = nbytes;
|
|
ptr = (unsigned char *)&stuff[1];
|
|
nfonts = stuff->nFonts;
|
|
while (--nfonts >= 0)
|
|
{
|
|
if ((total == 0) || (total < (n = (*ptr + 1))))
|
|
return(BadLength);
|
|
total -= n;
|
|
ptr += n;
|
|
}
|
|
if (total >= 4)
|
|
return(BadLength);
|
|
result = SetFontPath(client, stuff->nFonts, (unsigned char *)&stuff[1],
|
|
&error);
|
|
if (!result)
|
|
{
|
|
result = client->noClientException;
|
|
client->errorValue = error;
|
|
}
|
|
return (result);
|
|
}
|
|
|
|
int
|
|
ProcGetFontPath(client)
|
|
register ClientPtr client;
|
|
{
|
|
xGetFontPathReply reply;
|
|
int stringLens, numpaths;
|
|
unsigned char *bufferStart;
|
|
/* REQUEST (xReq); */
|
|
|
|
REQUEST_SIZE_MATCH(xReq);
|
|
bufferStart = GetFontPath(&numpaths, &stringLens);
|
|
|
|
reply.type = X_Reply;
|
|
reply.sequenceNumber = client->sequence;
|
|
reply.length = (stringLens + numpaths + 3) >> 2;
|
|
reply.nPaths = numpaths;
|
|
|
|
WriteReplyToClient(client, sizeof(xGetFontPathReply), &reply);
|
|
if (stringLens || numpaths)
|
|
(void)WriteToClient(client, stringLens + numpaths, (char *)bufferStart);
|
|
return(client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcChangeCloseDownMode(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xSetCloseDownModeReq);
|
|
|
|
REQUEST_SIZE_MATCH(xSetCloseDownModeReq);
|
|
if ((stuff->mode == AllTemporary) ||
|
|
(stuff->mode == RetainPermanent) ||
|
|
(stuff->mode == RetainTemporary))
|
|
{
|
|
client->closeDownMode = stuff->mode;
|
|
return (client->noClientException);
|
|
}
|
|
else
|
|
{
|
|
client->errorValue = stuff->mode;
|
|
return (BadValue);
|
|
}
|
|
}
|
|
|
|
int ProcForceScreenSaver(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xForceScreenSaverReq);
|
|
|
|
REQUEST_SIZE_MATCH(xForceScreenSaverReq);
|
|
|
|
if ((stuff->mode != ScreenSaverReset) &&
|
|
(stuff->mode != ScreenSaverActive))
|
|
{
|
|
client->errorValue = stuff->mode;
|
|
return BadValue;
|
|
}
|
|
SaveScreens(SCREEN_SAVER_FORCER, (int)stuff->mode);
|
|
return client->noClientException;
|
|
}
|
|
|
|
int ProcNoOperation(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST_AT_LEAST_SIZE(xReq);
|
|
|
|
/* noop -- don't do anything */
|
|
return(client->noClientException);
|
|
}
|
|
|
|
void
|
|
InitProcVectors(void)
|
|
{
|
|
int i;
|
|
for (i = 0; i<256; i++)
|
|
{
|
|
if(!ProcVector[i])
|
|
{
|
|
ProcVector[i] = SwappedProcVector[i] = ProcBadRequest;
|
|
ReplySwapVector[i] = ReplyNotSwappd;
|
|
}
|
|
#ifdef K5AUTH
|
|
if (!k5_Vector[i])
|
|
{
|
|
k5_Vector[i] = k5_bad;
|
|
}
|
|
#endif
|
|
}
|
|
for(i = LASTEvent; i < 128; i++)
|
|
{
|
|
EventSwapVector[i] = NotImplemented;
|
|
}
|
|
|
|
}
|
|
|
|
/**********************
|
|
* CloseDownClient
|
|
*
|
|
* Client can either mark his resources destroy or retain. If retained and
|
|
* then killed again, the client is really destroyed.
|
|
*********************/
|
|
|
|
char dispatchExceptionAtReset = DE_RESET;
|
|
|
|
void
|
|
CloseDownClient(client)
|
|
register ClientPtr client;
|
|
{
|
|
Bool really_close_down = client->clientGone ||
|
|
client->closeDownMode == DestroyAll;
|
|
|
|
if (!client->clientGone)
|
|
{
|
|
/* ungrab server if grabbing client dies */
|
|
if (grabState != GrabNone && grabClient == client)
|
|
{
|
|
UngrabServer(client);
|
|
}
|
|
BITCLEAR(grabWaiters, client->index);
|
|
DeleteClientFromAnySelections(client);
|
|
ReleaseActiveGrabs(client);
|
|
DeleteClientFontStuff(client);
|
|
if (!really_close_down)
|
|
{
|
|
/* This frees resources that should never be retained
|
|
* no matter what the close down mode is. Actually we
|
|
* could do this unconditionally, but it's probably
|
|
* better not to traverse all the client's resources
|
|
* twice (once here, once a few lines down in
|
|
* FreeClientResources) in the common case of
|
|
* really_close_down == TRUE.
|
|
*/
|
|
FreeClientNeverRetainResources(client);
|
|
client->clientState = ClientStateRetained;
|
|
if (ClientStateCallback)
|
|
{
|
|
NewClientInfoRec clientinfo;
|
|
|
|
clientinfo.client = client;
|
|
clientinfo.prefix = (xConnSetupPrefix *)NULL;
|
|
clientinfo.setup = (xConnSetup *) NULL;
|
|
CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
|
|
}
|
|
}
|
|
client->clientGone = TRUE; /* so events aren't sent to client */
|
|
if (ClientIsAsleep(client))
|
|
ClientSignal (client);
|
|
ProcessWorkQueueZombies();
|
|
#ifdef LBX
|
|
ProcessQTagZombies();
|
|
#endif
|
|
CloseDownConnection(client);
|
|
|
|
/* If the client made it to the Running stage, nClients has
|
|
* been incremented on its behalf, so we need to decrement it
|
|
* now. If it hasn't gotten to Running, nClients has *not*
|
|
* been incremented, so *don't* decrement it.
|
|
*/
|
|
if (client->clientState != ClientStateInitial &&
|
|
client->clientState != ClientStateAuthenticating )
|
|
{
|
|
--nClients;
|
|
}
|
|
}
|
|
|
|
if (really_close_down)
|
|
{
|
|
if (client->clientState == ClientStateRunning && nClients == 0)
|
|
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);
|
|
if (client->index < nextFreeClientID)
|
|
nextFreeClientID = client->index;
|
|
clients[client->index] = NullClient;
|
|
#ifdef SMART_SCHEDULE
|
|
SmartLastClient = NullClient;
|
|
#endif
|
|
xfree(client);
|
|
|
|
while (!clients[currentMaxClients-1])
|
|
currentMaxClients--;
|
|
}
|
|
}
|
|
|
|
static void
|
|
KillAllClients()
|
|
{
|
|
int i;
|
|
for (i=1; i<currentMaxClients; i++)
|
|
if (clients[i]) {
|
|
/* Make sure Retained clients are released. */
|
|
clients[i]->closeDownMode = DestroyAll;
|
|
CloseDownClient(clients[i]);
|
|
}
|
|
}
|
|
|
|
/*********************
|
|
* CloseDownRetainedResources
|
|
*
|
|
* Find all clients that are gone and have terminated in RetainTemporary
|
|
* and destroy their resources.
|
|
*********************/
|
|
|
|
void
|
|
CloseDownRetainedResources()
|
|
{
|
|
register int i;
|
|
register ClientPtr client;
|
|
|
|
for (i=1; i<currentMaxClients; i++)
|
|
{
|
|
client = clients[i];
|
|
if (client && (client->closeDownMode == RetainTemporary)
|
|
&& (client->clientGone))
|
|
CloseDownClient(client);
|
|
}
|
|
}
|
|
|
|
void InitClient(client, i, ospriv)
|
|
ClientPtr client;
|
|
int i;
|
|
pointer ospriv;
|
|
{
|
|
client->index = i;
|
|
client->sequence = 0;
|
|
client->clientAsMask = ((Mask)i) << CLIENTOFFSET;
|
|
client->clientGone = FALSE;
|
|
if (i)
|
|
{
|
|
client->closeDownMode = DestroyAll;
|
|
client->lastDrawable = (DrawablePtr)WindowTable[0];
|
|
client->lastDrawableID = WindowTable[0]->drawable.id;
|
|
}
|
|
else
|
|
{
|
|
client->closeDownMode = RetainPermanent;
|
|
client->lastDrawable = (DrawablePtr)NULL;
|
|
client->lastDrawableID = INVALID;
|
|
}
|
|
client->lastGC = (GCPtr) NULL;
|
|
client->lastGCID = INVALID;
|
|
client->numSaved = 0;
|
|
client->saveSet = (SaveSetElt *)NULL;
|
|
client->noClientException = Success;
|
|
#ifdef DEBUG
|
|
client->requestLogIndex = 0;
|
|
#endif
|
|
client->requestVector = InitialVector;
|
|
client->osPrivate = ospriv;
|
|
client->swapped = FALSE;
|
|
client->big_requests = FALSE;
|
|
client->priority = 0;
|
|
client->clientState = ClientStateInitial;
|
|
#ifdef XKB
|
|
if (!noXkbExtension) {
|
|
client->xkbClientFlags = 0;
|
|
client->mapNotifyMask = 0;
|
|
QueryMinMaxKeyCodes(&client->minKC,&client->maxKC);
|
|
}
|
|
#endif
|
|
client->replyBytesRemaining = 0;
|
|
#ifdef LBX
|
|
client->readRequest = StandardReadRequestFromClient;
|
|
#endif
|
|
#ifdef XCSECURITY
|
|
client->trustLevel = XSecurityClientTrusted;
|
|
client->CheckAccess = NULL;
|
|
client->authId = 0;
|
|
#endif
|
|
#ifdef XAPPGROUP
|
|
client->appgroup = NULL;
|
|
#endif
|
|
client->fontResFunc = NULL;
|
|
#ifdef SMART_SCHEDULE
|
|
client->smart_priority = 0;
|
|
client->smart_start_tick = SmartScheduleTime;
|
|
client->smart_stop_tick = SmartScheduleTime;
|
|
client->smart_check_tick = SmartScheduleTime;
|
|
#endif
|
|
}
|
|
|
|
extern int clientPrivateLen;
|
|
extern unsigned *clientPrivateSizes;
|
|
extern unsigned totalClientSize;
|
|
|
|
int
|
|
InitClientPrivates(client)
|
|
ClientPtr client;
|
|
{
|
|
register char *ptr;
|
|
DevUnion *ppriv;
|
|
register unsigned *sizes;
|
|
register unsigned size;
|
|
register int i;
|
|
|
|
if (totalClientSize == sizeof(ClientRec))
|
|
ppriv = (DevUnion *)NULL;
|
|
else if (client->index)
|
|
ppriv = (DevUnion *)(client + 1);
|
|
else
|
|
{
|
|
ppriv = (DevUnion *)xalloc(totalClientSize - sizeof(ClientRec));
|
|
if (!ppriv)
|
|
return 0;
|
|
}
|
|
client->devPrivates = ppriv;
|
|
sizes = clientPrivateSizes;
|
|
ptr = (char *)(ppriv + clientPrivateLen);
|
|
for (i = clientPrivateLen; --i >= 0; ppriv++, sizes++)
|
|
{
|
|
if ( (size = *sizes) )
|
|
{
|
|
ppriv->ptr = (pointer)ptr;
|
|
ptr += size;
|
|
}
|
|
else
|
|
ppriv->ptr = (pointer)NULL;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/************************
|
|
* int NextAvailableClient(ospriv)
|
|
*
|
|
* OS dependent portion can't assign client id's because of CloseDownModes.
|
|
* Returns NULL if there are no free clients.
|
|
*************************/
|
|
|
|
ClientPtr
|
|
NextAvailableClient(ospriv)
|
|
pointer ospriv;
|
|
{
|
|
register int i;
|
|
register ClientPtr client;
|
|
xReq data;
|
|
|
|
i = nextFreeClientID;
|
|
if (i == MAXCLIENTS)
|
|
return (ClientPtr)NULL;
|
|
clients[i] = client = (ClientPtr)xalloc(totalClientSize);
|
|
if (!client)
|
|
return (ClientPtr)NULL;
|
|
InitClient(client, i, ospriv);
|
|
InitClientPrivates(client);
|
|
if (!InitClientResources(client))
|
|
{
|
|
xfree(client);
|
|
return (ClientPtr)NULL;
|
|
}
|
|
data.reqType = 1;
|
|
data.length = (sz_xReq + sz_xConnClientPrefix) >> 2;
|
|
if (!InsertFakeRequest(client, (char *)&data, sz_xReq))
|
|
{
|
|
FreeClientResources(client);
|
|
xfree(client);
|
|
return (ClientPtr)NULL;
|
|
}
|
|
if (i == currentMaxClients)
|
|
currentMaxClients++;
|
|
while ((nextFreeClientID < MAXCLIENTS) && clients[nextFreeClientID])
|
|
nextFreeClientID++;
|
|
if (ClientStateCallback)
|
|
{
|
|
NewClientInfoRec clientinfo;
|
|
|
|
clientinfo.client = client;
|
|
clientinfo.prefix = (xConnSetupPrefix *)NULL;
|
|
clientinfo.setup = (xConnSetup *) NULL;
|
|
CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
|
|
}
|
|
return(client);
|
|
}
|
|
|
|
int
|
|
ProcInitialConnection(client)
|
|
register ClientPtr client;
|
|
{
|
|
REQUEST(xReq);
|
|
register xConnClientPrefix *prefix;
|
|
int whichbyte = 1;
|
|
|
|
prefix = (xConnClientPrefix *)((char *)stuff + sz_xReq);
|
|
if ((prefix->byteOrder != 'l') && (prefix->byteOrder != 'B'))
|
|
return (client->noClientException = -1);
|
|
if (((*(char *) &whichbyte) && (prefix->byteOrder == 'B')) ||
|
|
(!(*(char *) &whichbyte) && (prefix->byteOrder == 'l')))
|
|
{
|
|
client->swapped = TRUE;
|
|
SwapConnClientPrefix(prefix);
|
|
}
|
|
stuff->reqType = 2;
|
|
stuff->length += ((prefix->nbytesAuthProto + (unsigned)3) >> 2) +
|
|
((prefix->nbytesAuthString + (unsigned)3) >> 2);
|
|
if (client->swapped)
|
|
{
|
|
swaps(&stuff->length, whichbyte);
|
|
}
|
|
ResetCurrentRequest(client);
|
|
return (client->noClientException);
|
|
}
|
|
|
|
#ifdef LBX
|
|
void
|
|
IncrementClientCount()
|
|
{
|
|
nClients++;
|
|
}
|
|
#endif
|
|
|
|
int
|
|
SendConnSetup(client, reason)
|
|
register ClientPtr client;
|
|
char *reason;
|
|
{
|
|
register xWindowRoot *root;
|
|
register int i;
|
|
int numScreens;
|
|
char* lConnectionInfo;
|
|
xConnSetupPrefix* lconnSetupPrefix;
|
|
|
|
if (reason)
|
|
{
|
|
xConnSetupPrefix csp;
|
|
|
|
csp.success = xFalse;
|
|
csp.lengthReason = strlen(reason);
|
|
csp.length = (csp.lengthReason + (unsigned)3) >> 2;
|
|
csp.majorVersion = X_PROTOCOL;
|
|
csp.minorVersion = X_PROTOCOL_REVISION;
|
|
if (client->swapped)
|
|
WriteSConnSetupPrefix(client, &csp);
|
|
else
|
|
(void)WriteToClient(client, sz_xConnSetupPrefix, (char *) &csp);
|
|
(void)WriteToClient(client, (int)csp.lengthReason, reason);
|
|
return (client->noClientException = -1);
|
|
}
|
|
|
|
numScreens = screenInfo.numScreens;
|
|
lConnectionInfo = ConnectionInfo;
|
|
lconnSetupPrefix = &connSetupPrefix;
|
|
|
|
/* We're about to start speaking X protocol back to the client by
|
|
* sending the connection setup info. This means the authorization
|
|
* step is complete, and we can count the client as an
|
|
* authorized one.
|
|
*/
|
|
nClients++;
|
|
|
|
client->requestVector = client->swapped ? SwappedProcVector : ProcVector;
|
|
client->sequence = 0;
|
|
#ifdef XAPPGROUP
|
|
XagConnectionInfo (client, &lconnSetupPrefix, &lConnectionInfo, &numScreens);
|
|
#endif
|
|
((xConnSetup *)lConnectionInfo)->ridBase = client->clientAsMask;
|
|
((xConnSetup *)lConnectionInfo)->ridMask = RESOURCE_ID_MASK;
|
|
#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++)
|
|
{
|
|
register unsigned int j;
|
|
register xDepth *pDepth;
|
|
|
|
root->currentInputMask = WindowTable[i]->eventMask |
|
|
wOtherEventMasks (WindowTable[i]);
|
|
pDepth = (xDepth *)(root + 1);
|
|
for (j = 0; j < root->nDepths; j++)
|
|
{
|
|
pDepth = (xDepth *)(((char *)(pDepth + 1)) +
|
|
pDepth->nVisuals * sizeof(xVisualType));
|
|
}
|
|
root = (xWindowRoot *)pDepth;
|
|
}
|
|
|
|
if (client->swapped)
|
|
{
|
|
WriteSConnSetupPrefix(client, lconnSetupPrefix);
|
|
WriteSConnectionInfo(client,
|
|
(unsigned long)(lconnSetupPrefix->length << 2),
|
|
lConnectionInfo);
|
|
}
|
|
else
|
|
{
|
|
(void)WriteToClient(client, sizeof(xConnSetupPrefix),
|
|
(char *) lconnSetupPrefix);
|
|
(void)WriteToClient(client, (int)(lconnSetupPrefix->length << 2),
|
|
lConnectionInfo);
|
|
}
|
|
client->clientState = ClientStateRunning;
|
|
if (ClientStateCallback)
|
|
{
|
|
NewClientInfoRec clientinfo;
|
|
|
|
clientinfo.client = client;
|
|
clientinfo.prefix = lconnSetupPrefix;
|
|
clientinfo.setup = (xConnSetup *)lConnectionInfo;
|
|
CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
|
|
}
|
|
return (client->noClientException);
|
|
}
|
|
|
|
int
|
|
ProcEstablishConnection(client)
|
|
register ClientPtr client;
|
|
{
|
|
char *reason, *auth_proto, *auth_string;
|
|
register xConnClientPrefix *prefix;
|
|
REQUEST(xReq);
|
|
|
|
prefix = (xConnClientPrefix *)((char *)stuff + sz_xReq);
|
|
auth_proto = (char *)prefix + sz_xConnClientPrefix;
|
|
auth_string = auth_proto + ((prefix->nbytesAuthProto + 3) & ~3);
|
|
if ((prefix->majorVersion != X_PROTOCOL) ||
|
|
(prefix->minorVersion != X_PROTOCOL_REVISION))
|
|
reason = "Protocol version mismatch";
|
|
else
|
|
reason = ClientAuthorized(client,
|
|
(unsigned short)prefix->nbytesAuthProto,
|
|
auth_proto,
|
|
(unsigned short)prefix->nbytesAuthString,
|
|
auth_string);
|
|
/*
|
|
* If Kerberos is being used for this client, the clientState
|
|
* will be set to ClientStateAuthenticating at this point.
|
|
* More messages need to be exchanged among the X server, Kerberos
|
|
* server, and client to figure out if everyone is authorized.
|
|
* So we don't want to send the connection setup info yet, since
|
|
* the auth step isn't really done.
|
|
*/
|
|
if (client->clientState == ClientStateCheckingSecurity)
|
|
client->clientState = ClientStateCheckedSecurity;
|
|
else if (client->clientState != ClientStateAuthenticating)
|
|
return(SendConnSetup(client, reason));
|
|
return(client->noClientException);
|
|
}
|
|
|
|
void
|
|
SendErrorToClient(client, majorCode, minorCode, resId, errorCode)
|
|
ClientPtr client;
|
|
unsigned int majorCode;
|
|
unsigned int minorCode;
|
|
XID resId;
|
|
int errorCode;
|
|
{
|
|
xError rep;
|
|
|
|
rep.type = X_Error;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.errorCode = errorCode;
|
|
rep.majorCode = majorCode;
|
|
rep.minorCode = minorCode;
|
|
rep.resourceID = resId;
|
|
|
|
WriteEventsToClient (client, 1, (xEvent *)&rep);
|
|
}
|
|
|
|
void
|
|
DeleteWindowFromAnySelections(pWin)
|
|
WindowPtr pWin;
|
|
{
|
|
register int i;
|
|
|
|
for (i = 0; i< NumCurrentSelections; i++)
|
|
if (CurrentSelections[i].pWin == pWin)
|
|
{
|
|
if (SelectionCallback)
|
|
{
|
|
SelectionInfoRec info;
|
|
|
|
info.selection = &CurrentSelections[i];
|
|
info.kind = SelectionWindowDestroy;
|
|
CallCallbacks(&SelectionCallback, &info);
|
|
}
|
|
CurrentSelections[i].pWin = (WindowPtr)NULL;
|
|
CurrentSelections[i].window = None;
|
|
CurrentSelections[i].client = NullClient;
|
|
}
|
|
}
|
|
|
|
static void
|
|
DeleteClientFromAnySelections(client)
|
|
ClientPtr client;
|
|
{
|
|
register int i;
|
|
|
|
for (i = 0; i< NumCurrentSelections; i++)
|
|
if (CurrentSelections[i].client == client)
|
|
{
|
|
if (SelectionCallback)
|
|
{
|
|
SelectionInfoRec info;
|
|
|
|
info.selection = &CurrentSelections[i];
|
|
info.kind = SelectionWindowDestroy;
|
|
CallCallbacks(&SelectionCallback, &info);
|
|
}
|
|
CurrentSelections[i].pWin = (WindowPtr)NULL;
|
|
CurrentSelections[i].window = None;
|
|
CurrentSelections[i].client = NullClient;
|
|
}
|
|
}
|
|
|
|
void
|
|
MarkClientException(client)
|
|
ClientPtr client;
|
|
{
|
|
client->noClientException = -1;
|
|
}
|