diff options
| author | Mihai Moldovan <ionic@ionic.de> | 2015-04-16 18:03:18 +0200 |
|---|---|---|
| committer | Mihai Moldovan <ionic@ionic.de> | 2015-04-16 18:03:18 +0200 |
| commit | cfc0202b42ad307391202ca776937b28ea7d2b03 (patch) | |
| tree | 03acc5d7d7bb0d35152bfc597eb788b938f09647 /nx-X11/programs/Xserver/hw/nxagent/X/NXdispatch.c | |
| parent | fad840cfe558601a8ec02414f1235824bc9f3168 (diff) | |
| parent | a5f71f084e9f32e947a04da69edb7aae96d61697 (diff) | |
| download | nx-libs-cfc0202b42ad307391202ca776937b28ea7d2b03.tar.gz nx-libs-cfc0202b42ad307391202ca776937b28ea7d2b03.tar.bz2 nx-libs-cfc0202b42ad307391202ca776937b28ea7d2b03.zip | |
Merge branch 'sunweaver-pr/nxupgradeagent-cleanup' into arctica-3.6.x
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/X/NXdispatch.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/X/NXdispatch.c | 4682 |
1 files changed, 0 insertions, 4682 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/X/NXdispatch.c b/nx-X11/programs/Xserver/hw/nxagent/X/NXdispatch.c deleted file mode 100644 index 3d9ee8c7f..000000000 --- a/nx-X11/programs/Xserver/hw/nxagent/X/NXdispatch.c +++ /dev/null @@ -1,4682 +0,0 @@ -/**************************************************************************/ -/* */ -/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/. */ -/* */ -/* NXAGENT, NX protocol compression and NX extensions to this software */ -/* are copyright of NoMachine. Redistribution and use of the present */ -/* software is allowed according to terms specified in the file LICENSE */ -/* which comes in the source distribution. */ -/* */ -/* Check http://www.nomachine.com/licensing.html for applicability. */ -/* */ -/* NX and NoMachine are trademarks of Medialogic S.p.A. */ -/* */ -/* All rights reserved. */ -/* */ -/**************************************************************************/ - -/* $XdotOrg: xc/programs/Xserver/dix/dispatch.c,v 1.13 2005/09/13 01:33:19 daniels 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. - -******************************************************************/ - -/* $XFree86: xc/programs/Xserver/dix/dispatch.c,v 3.32 2003/11/10 18:21:45 tsi Exp $ */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#ifdef PANORAMIX_DEBUG -#include <stdio.h> -int ProcInitialConnection(); -#endif - -#ifdef __sun -#define False 0 -#define True 1 -#endif - -#define GC XlibGC -#include <X11/Xlib.h> -#undef GC - -#include "windowstr.h" -#include <X11/fonts/fontstruct.h> -#include "dixfontstr.h" -#include "gcstruct.h" -#include "selection.h" -#include "colormapst.h" -#include "cursorstr.h" -#include "scrnintstr.h" -#include "opaque.h" -#include "input.h" -#include "servermd.h" -#include "extnsionst.h" -#include "dixfont.h" -#include "../../dix/dispatch.h" -#include "swaprep.h" -#include "swapreq.h" -#ifdef PANORAMIX -#include "panoramiX.h" -#include "panoramiXsrv.h" -#endif -#ifdef XCSECURITY -#define _SECURITY_SERVER -#include <X11/extensions/security.h> -#endif -#ifdef XAPPGROUP -#include <X11/extensions/Xagsrv.h> -#endif -#ifdef XKB -#define XKB_IN_SERVER -#include "inputstr.h" -#include <X11/extensions/XKBsrv.h> -#endif - -#include "Atoms.h" -#include "Splash.h" -#include "Client.h" -#include "Clipboard.h" -#include "Reconnect.h" -#include "Millis.h" -#include "Font.h" -#include "Shadow.h" -#include "Handlers.h" -#include "Keyboard.h" - -const int nxagentMaxFontNames = 10000; - -char dispatchExceptionAtReset = DE_RESET; - -/* - * This allows the agent to exit if no - * client is connected within a timeout. - */ - -int nxagentClients = 0; - -void nxagentWaitDisplay(void); - -void nxagentListRemoteFonts(const char *, int); - -unsigned int nxagentWMtimeout = 0; -Bool nxagentWMPassed = 0; - -/* - * Timeouts based on screen saver time. - */ - -int nxagentAutoDisconnectTimeout = 0; - -#ifdef LBX -#include "../../lbx/lbxserve.h" -#endif - -#include "Xatom.h" - -/* - * Set here the required log level. - */ - -#define PANIC -#define WARNING -#undef TEST -#undef WATCH - -/* - * Log begin and end of the important handlers. - */ - -#undef BLOCKS - -#ifdef WATCH -#include "unistd.h" -#endif - -#ifdef TEST -#include "Literals.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; - -#ifdef VIEWPORT_FRAME - -extern WindowPtr nxagentViewportFrameLeft; -extern WindowPtr nxagentViewportFrameRight; -extern WindowPtr nxagentViewportFrameAbove; -extern WindowPtr nxagentViewportFrameBelow; - -#define IsViewportFrame(pWin) ((pWin) == nxagentViewportFrameLeft || \ - (pWin) == nxagentViewportFrameRight || \ - (pWin) == nxagentViewportFrameAbove || \ - (pWin) == nxagentViewportFrameBelow) - -#else - -#define IsViewportFrame(pWin) (0) - -#endif /* #ifdef VIEWPORT_FRAME */ - -extern int nxagentMaxAllowedResets; - -extern int nxagentFindClientResource(int, RESTYPE, pointer); - -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 */ - -CallbackListPtr ClientStateCallback; - -/* dispatchException & isItTimeToYield must be declared volatile since they - * are modified by signal handlers - otherwise optimizer may assume it doesn't - * need to actually check value in memory when used and may miss changes from - * signal handlers. - */ -volatile char dispatchException = 0; -volatile char isItTimeToYield; - -/* 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(HWEventQueuePtr c0, HWEventQueuePtr c1) -{ - checkForInput[0] = c0; - checkForInput[1] = c1; -} - -void -UpdateCurrentTime() -{ - TimeStamp systime; - - /* To avoid time running backwards, we must call GetTimeInMillis before - * calling ProcessInputEvents. - */ - systime.months = currentTime.months; - systime.milliseconds = GetTimeInMillis(); - if (systime.milliseconds < currentTime.milliseconds) - systime.months++; - if (*checkForInput[0] != *checkForInput[1]) - ProcessInputEvents(); - if (CompareTimeStamps(systime, currentTime) == LATER) - currentTime = systime; -} - -/* Like UpdateCurrentTime, but can't call ProcessInputEvents */ -void -UpdateCurrentTimeIf() -{ - TimeStamp systime; - - systime.months = currentTime.months; - systime.milliseconds = GetTimeInMillis(); - if (systime.milliseconds < currentTime.milliseconds) - systime.months++; - if (*checkForInput[0] == *checkForInput[1]) - currentTime = systime; -} - -void -InitSelections() -{ - if (CurrentSelections) - xfree(CurrentSelections); - CurrentSelections = (Selection *)NULL; - NumCurrentSelections = 0; - -#ifdef NXAGENT_CLIPBOARD - { - Selection *newsels; - newsels = (Selection *)xalloc(2 * sizeof(Selection)); - if (!newsels) - return; - NumCurrentSelections += 2; - CurrentSelections = newsels; - - CurrentSelections[0].selection = XA_PRIMARY; - CurrentSelections[0].lastTimeChanged = ClientTimeToServerTime(0); - CurrentSelections[0].window = WindowTable[0]->drawable.id; - CurrentSelections[0].pWin = NULL; - CurrentSelections[0].client = NullClient; - - CurrentSelections[1].selection = MakeAtom("CLIPBOARD", 9, 1); - CurrentSelections[1].lastTimeChanged = ClientTimeToServerTime(0); - CurrentSelections[1].window = WindowTable[0]->drawable.id; - CurrentSelections[1].pWin = NULL; - CurrentSelections[1].client = NullClient; - } -#endif - -} - -void -FlushClientCaches(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 -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 - - unsigned long currentDispatch = 0; - - nextFreeClientID = 1; - InitSelections(); - nClients = 0; - - /* - * The agent initialization was successfully - * completed. We can now handle our clients. - */ - - #ifdef XKB - - nxagentInitXkbWrapper(); - - nxagentTuneXkbWrapper(); - - #endif - - #ifdef NXAGENT_ONSTART - - /* - * Set NX_WM property (used by NX client to identify - * the agent's window) three seconds since the first - * client connects. - */ - - nxagentWMtimeout = GetTimeInMillis() + 3000; - - #endif - - clientReady = (int *) ALLOCATE_LOCAL(sizeof(int) * MaxClients); - if (!clientReady) - return; - - #ifdef WATCH - - fprintf(stderr, "Dispatch: Watchpoint 12.\n"); - -/* -Reply Total Cached Bits In Bits Out Bits/Reply Ratio -------- ----- ------ ------- -------- ---------- ----- -#3 1 352 bits (0 KB) -> 236 bits (0 KB) -> 352/1 -> 236/1 = 1.492:1 -#14 1 256 bits (0 KB) -> 101 bits (0 KB) -> 256/1 -> 101/1 = 2.535:1 -#16 1 256 bits (0 KB) -> 26 bits (0 KB) -> 256/1 -> 26/1 = 9.846:1 -#20 2 2 12256 bits (1 KB) -> 56 bits (0 KB) -> 6128/1 -> 28/1 = 218.857:1 -#43 1 256 bits (0 KB) -> 45 bits (0 KB) -> 256/1 -> 45/1 = 5.689:1 -#47 2 2 42304 bits (5 KB) -> 49 bits (0 KB) -> 21152/1 -> 24/1 = 863.347:1 -#98 1 256 bits (0 KB) -> 34 bits (0 KB) -> 256/1 -> 34/1 = 7.529:1 -*/ - - sleep(30); - - #endif - - #ifdef TEST - fprintf(stderr, "Dispatch: Value of dispatchException is [%x].\n", - dispatchException); - - fprintf(stderr, "Dispatch: Value of dispatchExceptionAtReset is [%x].\n", - dispatchExceptionAtReset); - #endif - - if (!(dispatchException & DE_TERMINATE)) - dispatchException = 0; - - while (!dispatchException) - { - if (*icheck[0] != *icheck[1]) - { - ProcessInputEvents(); - FlushIfCriticalOutputPending(); - } - - /* - * Ensure we remove the splash after the timeout. - * Initializing clientReady[0] to -1 will tell - * WaitForSomething() to yield control after the - * timeout set in clientReady[1]. - */ - - clientReady[0] = 0; - - if (nxagentSplashWindow != None || (nxagentOption(Xdmcp) == 1 && nxagentXdmcpUp == 0)) - { - #ifdef TEST - fprintf(stderr, "******Dispatch: Requesting a timeout of [%d] Ms.\n", - NXAGENT_WAKEUP); - #endif - - clientReady[0] = -1; - clientReady[1] = NXAGENT_WAKEUP; - } - - if (serverGeneration > nxagentMaxAllowedResets && - nxagentSessionState == SESSION_STARTING && - (nxagentOption(Xdmcp) == 0 || nxagentXdmcpUp == 1)) - { - #ifdef NX_DEBUG_INPUT - fprintf(stderr, "Session: Session started at '%s' timestamp [%lu].\n", - GetTimeAsString(), GetTimeInMillis()); - #else - fprintf(stderr, "Session: Session started at '%s'.\n", - GetTimeAsString()); - #endif - - nxagentSessionState = SESSION_UP; - saveAgentState("RUNNING"); - } - - #ifdef BLOCKS - fprintf(stderr, "[End dispatch]\n"); - #endif - - nready = WaitForSomething(clientReady); - - #ifdef BLOCKS - fprintf(stderr, "[Begin dispatch]\n"); - #endif - - #ifdef TEST - fprintf(stderr, "******Dispatch: Running with [%d] clients ready.\n", - nready); - #endif - - #ifdef NXAGENT_ONSTART - - currentDispatch = GetTimeInMillis(); - - /* - * If the timeout is expired set the - * selection informing the NX client - * that the agent is ready. - */ - - if (!nxagentWMPassed && (nxagentWMtimeout < currentDispatch)) - { - nxagentRemoveSplashWindow(NULL); - } - - nxagentClients = nClients; - - #endif - -#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 */ - - #ifdef TEST - fprintf(stderr, "******Dispatch: Reading request from client [%d].\n", - client->index); - #endif - - result = ReadRequestFromClient(client); - if (result <= 0) - { - if (result < 0) - CloseDownClient(client); - break; - } -#ifdef NXAGENT_SERVER - - #ifdef TEST - - else - { - - if (MAJOROP > 127) - { - fprintf(stderr, "******Dispatch: Read [Extension] request OPCODE#%d MINOR#%d " - "size [%d] client [%d].\n", MAJOROP, *((char *) client->requestBuffer + 1), - client->req_len << 2, client->index); - } - else - { - fprintf(stderr, "******Dispatch: Read [%s] request OPCODE#%d size [%d] client [%d].\n", - nxagentRequestLiteral[MAJOROP], MAJOROP, client->req_len << 2, - client->index); - } - } - - #endif -#endif - - client->sequence++; -#ifdef DEBUG - if ((client->requestLogIndex >= MAX_REQUEST_LOG) || (client->requestLogIndex <= 0)) - client->requestLogIndex = 0; - client->requestLog[client->requestLogIndex] = MAJOROP; - client->requestLogIndex++; -#endif - if (result > (maxBigRequestSize << 2)) - result = BadLength; - else -#ifdef NXAGENT_SERVER - { - result = (* client->requestVector[MAJOROP])(client); - - #ifdef TEST - - if (MAJOROP > 127) - { - fprintf(stderr, "******Dispatch: Handled [Extension] request OPCODE#%d MINOR#%d " - "size [%d] client [%d] result [%d].\n", MAJOROP, - *((char *) client->requestBuffer + 1), client->req_len << 2, - client->index, result); - } - else - { - fprintf(stderr, "******Dispatch: Handled [%s] request OPCODE#%d size [%d] client [%d] " - "result [%d].\n", nxagentRequestLiteral[MAJOROP], MAJOROP, - client->req_len << 2, client->index, result); - } - - #endif - - /* - * Can set isItTimeToYield to force - * the dispatcher to pay attention - * to another client. - */ - - nxagentDispatchHandler(client, client->req_len << 2, 0); - } -#else - result = (* client->requestVector[MAJOROP])(client); -#endif - - 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 - if ((dispatchException & DE_RESET) && - (serverGeneration > nxagentMaxAllowedResets)) - { - dispatchException &= ~DE_RESET; - dispatchException |= DE_TERMINATE; - - fprintf(stderr, "Info: Reached threshold of maximum allowed resets.\n"); - } - - nxagentResetAtomMap(); - - if (serverGeneration > nxagentMaxAllowedResets) - { - /* - * The session is terminating. Force an I/O - * error on the display and wait until the - * NX transport is gone. - */ - - fprintf(stderr, "Session: Terminating session at '%s'.\n", GetTimeAsString()); - saveAgentState("TERMINATING"); - - nxagentWaitDisplay(); - - fprintf(stderr, "Session: Session terminated at '%s'.\n", GetTimeAsString()); - } - - if (nxagentOption(Shadow) == 1) - { - NXShadowDestroy(); - } - saveAgentState("TERMINATED"); - - KillAllClients(); - DEALLOCATE_LOCAL(clientReady); - dispatchException &= ~DE_RESET; -} - -#undef MAJOROP - -int -ProcBadRequest(ClientPtr client) -{ - return (BadRequest); -} - -int -ProcCreateWindow(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(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(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(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(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(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(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); - - if (!nxagentWMPassed) - { - nxagentRemoveSplashWindow(pWin); - } - - 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(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(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(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(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(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(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(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(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(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) - { - if (!IsViewportFrame(pChild)) - { - 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) - { - if (!IsViewportFrame(pChild)) - { - 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(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(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(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); - } - -#ifdef NXAGENT_CLIPBOARD - if ((CurrentSelections[i].pWin != NULL) && - (nxagentOption(Clipboard) != ClipboardNone) && - ((CurrentSelections[i].selection == XA_PRIMARY) || - (CurrentSelections[i].selection == MakeAtom("CLIPBOARD", 9, 0)))) - { - nxagentSetSelectionOwner(&CurrentSelections[i]); - } -#endif - return (client->noClientException); - } - else - { - client->errorValue = stuff->selection; - return (BadAtom); - } -} - -int -ProcGetSelectionOwner(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(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); - -#ifdef NXAGENT_CLIPBOARD - if (((stuff->selection == XA_PRIMARY) || - (stuff->selection == MakeAtom("CLIPBOARD", 9, 0))) && - nxagentOption(Clipboard) != ClipboardNone) - { - int i = 0; - - while ((i < NumCurrentSelections) && - CurrentSelections[i].selection != stuff->selection) i++; - - if ((i < NumCurrentSelections) && (CurrentSelections[i].window != None)) - { - if (nxagentConvertSelection(client, pWin, stuff->selection, stuff->requestor, - stuff->property, stuff->target, stuff->time)) - { - return (client->noClientException); - } - } - } -#endif - - 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) && (CurrentSelections[i].client != NullClient) -#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(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(register ClientPtr client) -{ - REQUEST_SIZE_MATCH(xReq); - UngrabServer(client); - return(client->noClientException); -} - -int -ProcTranslateCoords(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)) - - && (!wInputShape(pWin) || - POINT_IN_REGION(pWin->drawable.pScreen, - wInputShape(pWin), - x - pWin->drawable.x, - y - pWin->drawable.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(register ClientPtr client) -{ - int err; - char fontReq[256]; - REQUEST(xOpenFontReq); - - REQUEST_FIXED_SIZE(xOpenFontReq, stuff->nbytes); - client->errorValue = stuff->fid; - LEGAL_NEW_RESOURCE(stuff->fid, client); - - memcpy(fontReq,(char *)&stuff[1],(stuff->nbytes<256)?stuff->nbytes:255); - fontReq[stuff->nbytes]=0; - if (strchr(fontReq,'*') || strchr(fontReq,'?')) - { - extern int nxOpenFont(ClientPtr, XID, Mask, unsigned, char*); -#ifdef NXAGENT_FONTMATCH_DEBUG - fprintf(stderr, "Dispatch: ProcOpenFont try to find a common font with font pattern=%s\n",fontReq); -#endif - nxagentListRemoteFonts(fontReq, nxagentMaxFontNames); - err = nxOpenFont(client, stuff->fid, (Mask) 0, - stuff->nbytes, (char *)&stuff[1]); - } - else - err = OpenFont(client, stuff->fid, (Mask) 0, - stuff->nbytes, (char *)&stuff[1]); - if (err == Success) - { - return(client->noClientException); - } - else - return err; -} - -int -ProcCloseFont(register ClientPtr client) -{ - FontPtr pFont; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - pFont = (FontPtr)SecurityLookupIDByType(client, stuff->id, RT_FONT, - SecurityDestroyAccess); - if (pFont != (FontPtr)NULL) - { - #ifdef NXAGENT_SERVER - - /* - * When a client closes a font the resource - * should not be lost if the reference counter - * is not 0, otherwise the server will not be - * able to find this font looping through the - * resources. - */ - - if (pFont -> refcnt > 0) - { - if (nxagentFindClientResource(serverClient -> index, RT_NX_FONT, pFont) == 0) - { - #ifdef TEST - fprintf(stderr, "ProcCloseFont: Switching resource for font at [%p].\n", - (void *) pFont); - #endif - - nxagentFontPriv(pFont) -> mirrorID = FakeClientID(serverClient -> index); - - AddResource(nxagentFontPriv(pFont) -> mirrorID, RT_NX_FONT, pFont); - - } - #ifdef TEST - else - { - fprintf(stderr, "ProcCloseFont: Found duplicated font at [%p], " - "resource switching skipped.\n", (void *) pFont); - } - #endif - } - - #endif - - FreeResource(stuff->id, RT_NONE); - return(client->noClientException); - } - else - { - client->errorValue = stuff->id; - return (BadFont); - } -} - -int -ProcQueryFont(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 = NULL; - 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; - } - -/* test -{ - Atom name_atom, value_atom; - int nprops; - FontPropPtr props; - int i; - char *name; - - name_atom = MakeAtom("FONT", 4, True); - value_atom = 0L; - - nprops = pFont->info.nprops; - props = pFont->info.props; - - for (i = 0; i < nprops; i++) - if (props[i].name == name_atom) { - value_atom = props[i].value; - break; - } - - if (!value_atom) return (BadFont); - - name = (char *)NameForAtom(value_atom); - fprintf(stderr, "QueryFont: font name [%s]\n",name); -} - end test */ - - { - 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 = NULL; - 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(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(register ClientPtr client) -{ - char tmp[256]; - - REQUEST(xListFontsReq); - - REQUEST_FIXED_SIZE(xListFontsReq, stuff->nbytes); - memcpy(tmp,(unsigned char *) &stuff[1],(stuff->nbytes<256)?stuff->nbytes:255); - tmp[stuff->nbytes]=0; - -#ifdef NXAGENT_FONTMATCH_DEBUG - fprintf(stderr, "Dispatch: ListFont request with pattern %s max_names=%d\n",tmp,stuff->maxNames); -#endif - nxagentListRemoteFonts(tmp, stuff -> maxNames < nxagentMaxFontNames ? nxagentMaxFontNames : stuff->maxNames); - return ListFonts(client, (unsigned char *) &stuff[1], stuff->nbytes, - stuff->maxNames); -} - -int -ProcListFontsWithInfo(register ClientPtr client) -{ - char tmp[256]; - REQUEST(xListFontsWithInfoReq); - - REQUEST_FIXED_SIZE(xListFontsWithInfoReq, stuff->nbytes); - - memcpy(tmp,(unsigned char *) &stuff[1],(stuff->nbytes<256)?stuff->nbytes:255); - tmp[stuff->nbytes]=0; -#ifdef NXAGENT_FONTMATCH_DEBUG - fprintf(stderr, "Dispatch: ListFont with info request with pattern %s max_names=%d\n",tmp,stuff->maxNames); -#endif - nxagentListRemoteFonts(tmp, stuff -> maxNames < nxagentMaxFontNames ? nxagentMaxFontNames :stuff->maxNames); - - return StartListFontsWithInfo(client, stuff->nbytes, - (unsigned char *) &stuff[1], stuff->maxNames); -} - -/** - * - * \param value must conform to DeleteType - */ -int -dixDestroyPixmap(pointer value, XID pid) -{ - PixmapPtr pPixmap = (PixmapPtr)value; - return (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap); -} - -int -ProcCreatePixmap(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->width > 32767 || stuff->height > 32767) - { - /* It is allowed to try and allocate a pixmap which is larger than - * 32767 in either dimension. However, all of the framebuffer code - * is buggy and does not reliably draw to such big pixmaps, basically - * because the Region data structure operates with signed shorts - * for the rectangles in it. - * - * Furthermore, several places in the X server computes the - * size in bytes of the pixmap and tries to store it in an - * integer. This integer can overflow and cause the allocated size - * to be much smaller. - * - * So, such big pixmaps are rejected here with a BadAlloc - */ - return BadAlloc; - } - if (stuff->depth != 1) - { - pDepth = pDraw->pScreen->allowedDepths; - for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++) - if (pDepth->depth == stuff->depth) - goto CreatePmap; - client->errorValue = stuff->depth; - return BadValue; - } -CreatePmap: - pMap = (PixmapPtr)(*pDraw->pScreen->CreatePixmap) - (pDraw->pScreen, stuff->width, - stuff->height, stuff->depth); - 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(register ClientPtr client) -{ - PixmapPtr pMap; - - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - pMap = (PixmapPtr)SecurityLookupIDByType(client, stuff->id, RT_PIXMAP, - SecurityDestroyAccess); - if (pMap) - { - #ifdef NXAGENT_SERVER - - /* - * When a client releases a pixmap the resource - * should not be lost if the reference counter - * is not 0, otherwise the server will not be - * able to find this pixmap looping through the - * resources. - */ - - if (pMap -> refcnt > 0) - { - if (nxagentFindClientResource(serverClient -> index, RT_NX_PIXMAP, pMap) == 0) - { - #ifdef TEST - fprintf(stderr, "ProcFreePixmap: Switching resource for pixmap at [%p].\n", - (void *) pMap); - #endif - - nxagentPixmapPriv(pMap) -> mid = FakeClientID(serverClient -> index); - - AddResource(nxagentPixmapPriv(pMap) -> mid, RT_NX_PIXMAP, pMap); - } - #ifdef TEST - else - { - fprintf(stderr, "ProcFreePixmap: Found duplicated pixmap at [%p], " - "resource switching skipped.\n", (void *) pMap); - } - #endif - } - - #endif - - FreeResource(stuff->id, RT_NONE); - return(client->noClientException); - } - else - { - client->errorValue = stuff->id; - return (BadPixmap); - } -} - -int -ProcCreateGC(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(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(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(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(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(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(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(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(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(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(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(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 (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(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(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(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(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(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(register ClientPtr client, int format, Drawable drawable, - int x, int y, int width, int 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(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(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(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(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(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(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(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(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(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(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 (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 (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 (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(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(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 (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 (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(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(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 (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)) - { - #ifdef TEST - fprintf(stderr, "ProcCreateCursor: Created cursor at [%p].\n", (void *) pCursor); - #endif - - return (client->noClientException); - } - - return BadAlloc; -} - -int -ProcCreateGlyphCursor (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 (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 (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 (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; - } - - /* - * The NX agent uses the screen saver procedure - * to monitor the user activities and launch its - * handlers (like timeout feature), so we can't - * always allow the clients to change our values. - */ - - #ifdef TEST - fprintf(stderr, "ProcSetScreenSaver: Called with timeout [%d] interval [%d] Blanking [%d] Exposure [%d].\n", - stuff -> timeout, stuff -> interval, blankingOption, exposureOption); - #endif - - if (nxagentOption(Timeout) == 0) - { - 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(); - } - #ifdef TEST - - else - { - fprintf(stderr, "ProcSetScreenSaver: Keeping auto-disconnect timeout set to [%d] seconds.\n", - nxagentOption(Timeout)); - } - - #endif - - return (client->noClientException); -} - -int -ProcGetScreenSaver(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(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(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(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(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(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(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(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(register ClientPtr client) -{ - REQUEST(xForceScreenSaverReq); - - REQUEST_SIZE_MATCH(xForceScreenSaverReq); - - if ((stuff->mode != ScreenSaverReset) && - (stuff->mode != ScreenSaverActive)) - { - client->errorValue = stuff->mode; - return BadValue; - } - - /* - * The NX agent uses the screen saver procedure - * to monitor the user activities and launch its - * handlers (like timeout feature), so we can't - * always allow the clients to force the screen - * saver handler execution. - */ - - if (nxagentOption(Timeout) == 0) - { - SaveScreens(SCREEN_SAVER_FORCER, (int)stuff->mode); - } - - #ifdef TEST - - else - { - fprintf(stderr, "ProcForceScreenSaver: Ignoring the client request with mode [%d].\n", - stuff -> mode); - } - - #endif - - return client->noClientException; -} - -int ProcNoOperation(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. - *********************/ - -void -CloseDownClient(register ClientPtr client) -{ - Bool really_close_down = client->clientGone || - client->closeDownMode == DestroyAll; - - /* - * There must be a better way to hook a - * call-back function to be called any - * time a client is going to be closed. - */ - - nxagentClearClipboard(client, NULL); - - /* - * Need to reset the karma counter and - * get rid of the pending sync replies. - */ - - nxagentWakeupByReset(client); - - /* - * Check if the client - * is a shadow nxagent. - */ - - nxagentCheckIfShadowAgent(client); - - 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(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 LOG_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(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; - } - - /* - * Initialize the private members. - */ - - nxagentInitClientPrivates(client); - - 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(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(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(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(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(ClientPtr client, unsigned majorCode, unsigned 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(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(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(ClientPtr client) -{ - client->noClientException = -1; -} |