/*
* Copyright 2002-2004 Red Hat Inc., Durham, North Carolina.
*
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation on the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* 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.
*/
/*
* Authors:
* Rickard E. (Rik) Faith <[email protected]>
*
*/
/** \file
* This file implements the server-side part of the DMX protocol. A
* vector of fucntions is provided at extension initialization time, so
* most all of the useful functions in this file are declared static and
* do not appear in the doxygen documentation.
*
* Much of the low-level work is done by functions in #dmxextension.c
*
* Please see the Client-to-Server DMX Extension to the X Protocol
* document for details about the protocol. */
#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
#endif
#include <X11/X.h>
#include <X11/Xproto.h>
#include "misc.h"
#include "os.h"
#include "dixstruct.h"
#define EXTENSION_PROC_ARGS void *
#include "extnsionst.h"
#include "opaque.h"
#include "dmxextension.h"
#include <X11/extensions/dmxproto.h>
#define _DMX_SERVER_
#include <X11/extensions/dmxext.h>
#ifdef PANORAMIX
#include "panoramiX.h"
extern unsigned long XRT_WINDOW;
extern int PanoramiXNumScreens;
#endif
extern void DMXExtensionInit(void);
static unsigned char DMXCode;
static DISPATCH_PROC(ProcDMXDispatch);
static DISPATCH_PROC(ProcDMXQueryVersion);
static DISPATCH_PROC(ProcDMXSync);
static DISPATCH_PROC(ProcDMXForceWindowCreation);
static DISPATCH_PROC(ProcDMXGetScreenCount);
static DISPATCH_PROC(ProcDMXGetScreenAttributes);
static DISPATCH_PROC(ProcDMXChangeScreensAttributes);
static DISPATCH_PROC(ProcDMXAddScreen);
static DISPATCH_PROC(ProcDMXRemoveScreen);
static DISPATCH_PROC(ProcDMXGetWindowAttributes);
static DISPATCH_PROC(ProcDMXGetDesktopAttributes);
static DISPATCH_PROC(ProcDMXChangeDesktopAttributes);
static DISPATCH_PROC(ProcDMXGetInputCount);
static DISPATCH_PROC(ProcDMXGetInputAttributes);
static DISPATCH_PROC(ProcDMXAddInput);
static DISPATCH_PROC(ProcDMXRemoveInput);
static DISPATCH_PROC(SProcDMXDispatch);
static DISPATCH_PROC(SProcDMXQueryVersion);
static DISPATCH_PROC(SProcDMXSync);
static DISPATCH_PROC(SProcDMXForceWindowCreation);
static DISPATCH_PROC(SProcDMXGetScreenCount);
static DISPATCH_PROC(SProcDMXGetScreenAttributes);
static DISPATCH_PROC(SProcDMXChangeScreensAttributes);
static DISPATCH_PROC(SProcDMXAddScreen);
static DISPATCH_PROC(SProcDMXRemoveScreen);
static DISPATCH_PROC(SProcDMXGetWindowAttributes);
static DISPATCH_PROC(SProcDMXGetDesktopAttributes);
static DISPATCH_PROC(SProcDMXChangeDesktopAttributes);
static DISPATCH_PROC(SProcDMXGetInputCount);
static DISPATCH_PROC(SProcDMXGetInputAttributes);
static DISPATCH_PROC(SProcDMXAddInput);
static DISPATCH_PROC(SProcDMXRemoveInput);
static int _DMXXineramaActive(void)
{
#ifdef PANORAMIX
return !noPanoramiXExtension;
#endif
return 0;
}
static void DMXResetProc(ExtensionEntry *extEntry)
{
}
/** Initialize the extension. */
void DMXExtensionInit(void)
{
ExtensionEntry *extEntry;
if ((extEntry = AddExtension(DMX_EXTENSION_NAME, 0, 0,
ProcDMXDispatch, SProcDMXDispatch,
DMXResetProc, StandardMinorOpcode)))
DMXCode = extEntry->base;
}
static void dmxSetScreenAttribute(int bit, DMXScreenAttributesPtr attr,
CARD32 value)
{
switch (1 << bit) {
case DMXScreenWindowWidth: attr->screenWindowWidth = value; break;
case DMXScreenWindowHeight: attr->screenWindowHeight = value; break;
case DMXScreenWindowXoffset: attr->screenWindowXoffset = value; break;
case DMXScreenWindowYoffset: attr->screenWindowYoffset = value; break;
case DMXRootWindowWidth: attr->rootWindowWidth = value; break;
case DMXRootWindowHeight: attr->rootWindowHeight = value; break;
case DMXRootWindowXoffset: attr->rootWindowXoffset = value; break;
case DMXRootWindowYoffset: attr->rootWindowYoffset = value; break;
case DMXRootWindowXorigin: attr->rootWindowXorigin = value; break;
case DMXRootWindowYorigin: attr->rootWindowYorigin = value; break;
}
}
static int dmxFetchScreenAttributes(unsigned int mask,
DMXScreenAttributesPtr attr,
CARD32 *value_list)
{
int i;
CARD32 *value = value_list;
int count = 0;
for (i = 0; i < 32; i++) {
if (mask & (1 << i)) {
dmxSetScreenAttribute(i, attr, *value);
++value;
++count;
}
}
return count;
}
static void dmxSetDesktopAttribute(int bit, DMXDesktopAttributesPtr attr,
CARD32 value)
{
switch (1 << bit) {
case DMXDesktopWidth: attr->width = value; break;
case DMXDesktopHeight: attr->height = value; break;
case DMXDesktopShiftX: attr->shiftX = value; break;
case DMXDesktopShiftY: attr->shiftY = value; break;
}
}
static int dmxFetchDesktopAttributes(unsigned int mask,
DMXDesktopAttributesPtr attr,
CARD32 *value_list)
{
int i;
CARD32 *value = value_list;
int count = 0;
for (i = 0; i < 32; i++) {
if (mask & (1 << i)) {
dmxSetDesktopAttribute(i, attr, *value);
++value;
++count;
}
}
return count;
}
static void dmxSetInputAttribute(int bit, DMXInputAttributesPtr attr,
CARD32 value)
{
switch (1 << bit) {
case DMXInputType: attr->inputType = value; break;
case DMXInputPhysicalScreen: attr->physicalScreen = value; break;
case DMXInputSendsCore: attr->sendsCore = !!value; break;
}
}
static int dmxFetchInputAttributes(unsigned int mask,
DMXInputAttributesPtr attr,
CARD32 *value_list)
{
int i;
CARD32 *value = value_list;
int count = 0;
for (i = 0; i < 32; i++) {
if (mask & (1 << i)) {
dmxSetInputAttribute(i, attr, *value);
++value;
++count;
}
}
return count;
}
static int ProcDMXQueryVersion(ClientPtr client)
{
xDMXQueryVersionReply rep;
int n;
REQUEST_SIZE_MATCH(xDMXQueryVersionReq);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.majorVersion = DMX_EXTENSION_MAJOR;
rep.minorVersion = DMX_EXTENSION_MINOR;
rep.patchVersion = DMX_EXTENSION_PATCH;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.majorVersion, n);
swapl(&rep.minorVersion, n);
swapl(&rep.patchVersion, n);
}
WriteToClient(client, sizeof(xDMXQueryVersionReply), (char *)&rep);
return client->noClientException;
}
static int ProcDMXSync(ClientPtr client)
{
xDMXSyncReply rep;
int n;
REQUEST_SIZE_MATCH(xDMXSyncReq);
dmxFlushPendingSyncs();
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.status = 0;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.status, n);
}
WriteToClient(client, sizeof(xDMXSyncReply), (char *)&rep);
return client->noClientException;
}
static int ProcDMXForceWindowCreation(ClientPtr client)
{
xDMXForceWindowCreationReply rep;
REQUEST(xDMXForceWindowCreationReq);
WindowPtr pWin;
int n;
REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq);
#ifdef PANORAMIX
if (!noPanoramiXExtension) {
PanoramiXRes *win;
int i;
if (!(win = SecurityLookupIDByType(client, stuff->window, XRT_WINDOW,
DixReadAccess)))
return -1; /* BadWindow */
FOR_NSCREENS(i) {
if (Success != dixLookupWindow(&pWin, win->info[i].id, client,
DixReadAccess))
return -1; /* BadWindow */
dmxForceWindowCreation(pWin);
}
goto doreply;
}
#endif
if (Success != dixLookupWindow(&pWin, stuff->window, client,
DixReadAccess))
return -1; /* BadWindow */
dmxForceWindowCreation(pWin);
doreply:
dmxFlushPendingSyncs();
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.status = 0;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.status, n);
}
WriteToClient(client, sizeof(xDMXForceWindowCreationReply), (char *)&rep);
return Success;
}
static int ProcDMXGetScreenCount(ClientPtr client)
{
xDMXGetScreenCountReply rep;
int n;
REQUEST_SIZE_MATCH(xDMXGetScreenCountReq);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.screenCount = dmxGetNumScreens();
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.screenCount, n);
}
WriteToClient(client, sizeof(xDMXGetScreenCountReply), (char *)&rep);
return client->noClientException;
}
static int ProcDMXGetScreenAttributes(ClientPtr client)
{
REQUEST(xDMXGetScreenAttributesReq);
xDMXGetScreenAttributesReply rep;
int n;
int length;
int paddedLength;
DMXScreenAttributesRec attr;
REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq);
if (stuff->physicalScreen < 0
|| stuff->physicalScreen >= dmxGetNumScreens()) return BadValue;
if (!dmxGetScreenAttributes(stuff->physicalScreen, &attr))
return BadValue;
rep.logicalScreen = attr.logicalScreen;
rep.screenWindowWidth = attr.screenWindowWidth;
rep.screenWindowHeight = attr.screenWindowHeight;
rep.screenWindowXoffset = attr.screenWindowXoffset;
rep.screenWindowYoffset = attr.screenWindowYoffset;
rep.rootWindowWidth = attr.rootWindowWidth;
rep.rootWindowHeight = attr.rootWindowHeight;
rep.rootWindowXoffset = attr.rootWindowXoffset;
rep.rootWindowYoffset = attr.rootWindowYoffset;
rep.rootWindowXorigin = attr.rootWindowXorigin;
rep.rootWindowYorigin = attr.rootWindowYorigin;
length = attr.displayName ? strlen(attr.displayName) : 0;
paddedLength = (length + 3) & ~3;
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = paddedLength >> 2;
rep.displayNameLength = length;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.displayNameLength, n);
swapl(&rep.logicalScreen, n);
swaps(&rep.screenWindowWidth, n);
swaps(&rep.screenWindowHeight, n);
swaps(&rep.screenWindowXoffset, n);
swaps(&rep.screenWindowYoffset, n);
swaps(&rep.rootWindowWidth, n);
swaps(&rep.rootWindowHeight, n);
swaps(&rep.rootWindowXoffset, n);
swaps(&rep.rootWindowYoffset, n);
swaps(&rep.rootWindowXorigin, n);
swaps(&rep.rootWindowYorigin, n);
}
WriteToClient(client, sizeof(xDMXGetScreenAttributesReply), (char *)&rep);
if (length) WriteToClient(client, length, (char *)attr.displayName);
return client->noClientException;
}
static int ProcDMXChangeScreensAttributes(ClientPtr client)
{
REQUEST(xDMXChangeScreensAttributesReq);
xDMXChangeScreensAttributesReply rep;
int n;
int status = DMX_BAD_XINERAMA;
unsigned int mask = 0;
unsigned int i;
CARD32 *screen_list;
CARD32 *mask_list;
CARD32 *value_list;
DMXScreenAttributesPtr attribs;
int errorScreen = 0;
unsigned int len;
int ones = 0;
REQUEST_AT_LEAST_SIZE(xDMXChangeScreensAttributesReq);
len = client->req_len - (sizeof(xDMXChangeScreensAttributesReq) >> 2);
if (len < stuff->screenCount + stuff->maskCount)
return BadLength;
screen_list = (CARD32 *)(stuff + 1);
mask_list = &screen_list[stuff->screenCount];
value_list = &mask_list[stuff->maskCount];
for (i = 0; i < stuff->maskCount; i++) ones += Ones(mask_list[i]);
if (len != stuff->screenCount + stuff->maskCount + ones)
return BadLength;
if (!_DMXXineramaActive()) goto noxinerama;
if (!(attribs = ALLOCATE_LOCAL(stuff->screenCount * sizeof(*attribs))))
return BadAlloc;
for (i = 0; i < stuff->screenCount; i++) {
int count;
if (i < stuff->maskCount) mask = mask_list[i];
dmxGetScreenAttributes(screen_list[i], &attribs[i]);
count = dmxFetchScreenAttributes(mask, &attribs[i], value_list);
value_list += count;
}
#if PANORAMIX
status = dmxConfigureScreenWindows(stuff->screenCount,
screen_list,
attribs,
&errorScreen);
#endif
DEALLOCATE_LOCAL(attribs);
if (status == BadValue) return status;
noxinerama:
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.status = status;
rep.errorScreen = errorScreen;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.status, n);
swapl(&rep.errorScreen, n);
}
WriteToClient(client,
sizeof(xDMXChangeScreensAttributesReply),
(char *)&rep);
return client->noClientException;
}
static int ProcDMXAddScreen(ClientPtr client)
{
REQUEST(xDMXAddScreenReq);
xDMXAddScreenReply rep;
int n;
int status = 0;
CARD32 *value_list;
DMXScreenAttributesRec attr;
int count;
char *name;
int len;
int paddedLength;
REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq);
paddedLength = (stuff->displayNameLength + 3) & ~3;
len = client->req_len - (sizeof(xDMXAddScreenReq) >> 2);
if (len != Ones(stuff->valueMask) + paddedLength/4)
return BadLength;
memset(&attr, 0, sizeof(attr));
dmxGetScreenAttributes(stuff->physicalScreen, &attr);
value_list = (CARD32 *)(stuff + 1);
count = dmxFetchScreenAttributes(stuff->valueMask, &attr, value_list);
if (!(name = ALLOCATE_LOCAL(stuff->displayNameLength + 1 + 4)))
return BadAlloc;
memcpy(name, &value_list[count], stuff->displayNameLength);
name[stuff->displayNameLength] = '\0';
attr.displayName = name;
status = dmxAttachScreen(stuff->physicalScreen, &attr);
DEALLOCATE_LOCAL(name);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.status = status;
rep.physicalScreen = stuff->physicalScreen;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.status, n);
swapl(&rep.physicalScreen, n);
}
WriteToClient(client,
sizeof(xDMXAddScreenReply),
(char *)&rep);
return client->noClientException;
}
static int ProcDMXRemoveScreen(ClientPtr client)
{
REQUEST(xDMXRemoveScreenReq);
xDMXRemoveScreenReply rep;
int n;
int status = 0;
REQUEST_SIZE_MATCH(xDMXRemoveScreenReq);
status = dmxDetachScreen(stuff->physicalScreen);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.status = status;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.status, n);
}
WriteToClient(client,
sizeof(xDMXRemoveScreenReply),
(char *)&rep);
return client->noClientException;
}
#ifdef PANORAMIX
static int dmxPopulatePanoramiX(ClientPtr client, Window window,
CARD32 *screens, CARD32 *windows,
xRectangle *pos, xRectangle *vis)
{
WindowPtr pWin;
PanoramiXRes *win;
int i;
int count = 0;
DMXWindowAttributesRec attr;
if (!(win = SecurityLookupIDByType(client, window, XRT_WINDOW,
DixReadAccess)))
return -1; /* BadWindow */
FOR_NSCREENS(i) {
if (Success != dixLookupWindow(&pWin, win->info[i].id, client,
DixReadAccess))
return -1; /* BadWindow */
if (dmxGetWindowAttributes(pWin, &attr)) {
screens[count] = attr.screen;
windows[count] = attr.window;
pos[count] = attr.pos;
vis[count] = attr.vis;
++count; /* Only count existing windows */
}
}
return count;
}
#endif
static int dmxPopulate(ClientPtr client, Window window, CARD32 *screens,
CARD32 *windows, xRectangle *pos, xRectangle *vis)
{
WindowPtr pWin;
DMXWindowAttributesRec attr;
#ifdef PANORAMIX
if (!noPanoramiXExtension)
return dmxPopulatePanoramiX(client, window, screens, windows,
pos, vis);
#endif
if (Success != dixLookupWindow(&pWin, window, client, DixReadAccess))
return -1; /* BadWindow */
dmxGetWindowAttributes(pWin, &attr);
*screens = attr.screen;
*windows = attr.window;
*pos = attr.pos;
*vis = attr.vis;
return 1;
}
static int dmxMaxNumScreens(void)
{
#ifdef PANORAMIX
if (!noPanoramiXExtension) return PanoramiXNumScreens;
#endif
return 1;
}
static int ProcDMXGetWindowAttributes(ClientPtr client)
{
REQUEST(xDMXGetWindowAttributesReq);
xDMXGetWindowAttributesReply rep;
int i, n;
CARD32 *screens;
CARD32 *windows;
xRectangle *pos, *vis;
int count = dmxMaxNumScreens();
REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq);
if (!(screens = ALLOCATE_LOCAL(count * sizeof(*screens))))
return BadAlloc;
if (!(windows = ALLOCATE_LOCAL(count * sizeof(*windows)))) {
DEALLOCATE_LOCAL(screens);
return BadAlloc;
}
if (!(pos = ALLOCATE_LOCAL(count * sizeof(*pos)))) {
DEALLOCATE_LOCAL(windows);
DEALLOCATE_LOCAL(screens);
return BadAlloc;
}
if (!(vis = ALLOCATE_LOCAL(count * sizeof(*vis)))) {
DEALLOCATE_LOCAL(pos);
DEALLOCATE_LOCAL(windows);
DEALLOCATE_LOCAL(screens);
return BadAlloc;
}
if ((count = dmxPopulate(client, stuff->window, screens, windows,
pos, vis)) < 0) {
DEALLOCATE_LOCAL(vis);
DEALLOCATE_LOCAL(pos);
DEALLOCATE_LOCAL(windows);
DEALLOCATE_LOCAL(screens);
return BadWindow;
}
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = count * 6;
rep.screenCount = count;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.screenCount, n);
for (i = 0; i < count; i++) {
swapl(&screens[i], n);
swapl(&windows[i], n);
swaps(&pos[i].x, n);
swaps(&pos[i].y, n);
swaps(&pos[i].width, n);
swaps(&pos[i].height, n);
swaps(&vis[i].x, n);
swaps(&vis[i].y, n);
swaps(&vis[i].width, n);
swaps(&vis[i].height, n);
}
}
dmxFlushPendingSyncs();
WriteToClient(client, sizeof(xDMXGetWindowAttributesReply), (char *)&rep);
if (count) {
WriteToClient(client, count * sizeof(*screens), (char *)screens);
WriteToClient(client, count * sizeof(*windows), (char *)windows);
WriteToClient(client, count * sizeof(*pos), (char *)pos);
WriteToClient(client, count * sizeof(*vis), (char *)vis);
}
DEALLOCATE_LOCAL(vis);
DEALLOCATE_LOCAL(pos);
DEALLOCATE_LOCAL(windows);
DEALLOCATE_LOCAL(screens);
return client->noClientException;
}
static int ProcDMXGetDesktopAttributes(ClientPtr client)
{
xDMXGetDesktopAttributesReply rep;
int n;
DMXDesktopAttributesRec attr;
REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq);
dmxGetDesktopAttributes(&attr);
rep.width = attr.width;
rep.height = attr.height;
rep.shiftX = attr.shiftX;
rep.shiftY = attr.shiftY;
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.width, n);
swapl(&rep.height, n);
swapl(&rep.shiftX, n);
swapl(&rep.shiftY, n);
}
WriteToClient(client, sizeof(xDMXGetDesktopAttributesReply), (char *)&rep);
return client->noClientException;
}
static int ProcDMXChangeDesktopAttributes(ClientPtr client)
{
REQUEST(xDMXChangeDesktopAttributesReq);
xDMXChangeDesktopAttributesReply rep;
int n;
int status = DMX_BAD_XINERAMA;
CARD32 *value_list;
DMXDesktopAttributesRec attr;
int len;
REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq);
len = client->req_len - (sizeof(xDMXChangeDesktopAttributesReq) >> 2);
if (len != Ones(stuff->valueMask))
return BadLength;
if (!_DMXXineramaActive()) goto noxinerama;
value_list = (CARD32 *)(stuff + 1);
dmxGetDesktopAttributes(&attr);
dmxFetchDesktopAttributes(stuff->valueMask, &attr, value_list);
#if PANORAMIX
status = dmxConfigureDesktop(&attr);
#endif
if (status == BadValue) return status;
noxinerama:
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.status = status;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.status, n);
}
WriteToClient(client,
sizeof(xDMXChangeDesktopAttributesReply),
(char *)&rep);
return client->noClientException;
}
static int ProcDMXGetInputCount(ClientPtr client)
{
xDMXGetInputCountReply rep;
int n;
REQUEST_SIZE_MATCH(xDMXGetInputCountReq);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.inputCount = dmxGetInputCount();
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.inputCount, n);
}
WriteToClient(client, sizeof(xDMXGetInputCountReply), (char *)&rep);
return client->noClientException;
}
static int ProcDMXGetInputAttributes(ClientPtr client)
{
REQUEST(xDMXGetInputAttributesReq);
xDMXGetInputAttributesReply rep;
int n;
int length;
int paddedLength;
DMXInputAttributesRec attr;
REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq);
if (dmxGetInputAttributes(stuff->deviceId, &attr)) return BadValue;
rep.inputType = attr.inputType;
rep.physicalScreen = attr.physicalScreen;
rep.physicalId = attr.physicalId;
rep.isCore = attr.isCore;
rep.sendsCore = attr.sendsCore;
rep.detached = attr.detached;
length = attr.name ? strlen(attr.name) : 0;
paddedLength = (length + 3) & ~3;
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = paddedLength >> 2;
rep.nameLength = length;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.inputType, n);
swapl(&rep.physicalScreen, n);
swapl(&rep.physicalId, n);
swapl(&rep.nameLength, n);
}
WriteToClient(client, sizeof(xDMXGetInputAttributesReply), (char *)&rep);
if (length) WriteToClient(client, length, (char *)attr.name);
return client->noClientException;
}
static int ProcDMXAddInput(ClientPtr client)
{
REQUEST(xDMXAddInputReq);
xDMXAddInputReply rep;
int n;
int status = 0;
CARD32 *value_list;
DMXInputAttributesRec attr;
int count;
char *name;
int len;
int paddedLength;
int id = -1;
REQUEST_AT_LEAST_SIZE(xDMXAddInputReq);
paddedLength = (stuff->displayNameLength + 3) & ~3;
len = client->req_len - (sizeof(xDMXAddInputReq) >> 2);
if (len != Ones(stuff->valueMask) + paddedLength/4)
return BadLength;
memset(&attr, 0, sizeof(attr));
value_list = (CARD32 *)(stuff + 1);
count = dmxFetchInputAttributes(stuff->valueMask, &attr, value_list);
if (!(name = ALLOCATE_LOCAL(stuff->displayNameLength + 1 + 4)))
return BadAlloc;
memcpy(name, &value_list[count], stuff->displayNameLength);
name[stuff->displayNameLength] = '\0';
attr.name = name;
status = dmxAddInput(&attr, &id);
DEALLOCATE_LOCAL(name);
if (status) return status;
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.status = status;
rep.physicalId = id;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.status, n);
swapl(&rep.physicalId, n);
}
WriteToClient(client, sizeof(xDMXAddInputReply), (char *)&rep);
return client->noClientException;
}
static int ProcDMXRemoveInput(ClientPtr client)
{
REQUEST(xDMXRemoveInputReq);
xDMXRemoveInputReply rep;
int n;
int status = 0;
REQUEST_SIZE_MATCH(xDMXRemoveInputReq);
status = dmxRemoveInput(stuff->physicalId);
if (status) return status;
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.status = status;
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.status, n);
}
WriteToClient(client, sizeof(xDMXRemoveInputReply), (char *)&rep);
return client->noClientException;
}
static int ProcDMXDispatch(ClientPtr client)
{
REQUEST(xReq);
switch (stuff->data) {
case X_DMXQueryVersion: return ProcDMXQueryVersion(client);
case X_DMXSync: return ProcDMXSync(client);
case X_DMXForceWindowCreation: return ProcDMXForceWindowCreation(client);
case X_DMXGetScreenCount: return ProcDMXGetScreenCount(client);
case X_DMXGetScreenAttributes: return ProcDMXGetScreenAttributes(client);
case X_DMXChangeScreensAttributes:
return ProcDMXChangeScreensAttributes(client);
case X_DMXAddScreen: return ProcDMXAddScreen(client);
case X_DMXRemoveScreen: return ProcDMXRemoveScreen(client);
case X_DMXGetWindowAttributes: return ProcDMXGetWindowAttributes(client);
case X_DMXGetDesktopAttributes: return ProcDMXGetDesktopAttributes(client);
case X_DMXChangeDesktopAttributes:
return ProcDMXChangeDesktopAttributes(client);
case X_DMXGetInputCount: return ProcDMXGetInputCount(client);
case X_DMXGetInputAttributes: return ProcDMXGetInputAttributes(client);
case X_DMXAddInput: return ProcDMXAddInput(client);
case X_DMXRemoveInput: return ProcDMXRemoveInput(client);
case X_DMXGetScreenInformationDEPRECATED:
case X_DMXForceWindowCreationDEPRECATED:
case X_DMXReconfigureScreenDEPRECATED:
return BadImplementation;
default: return BadRequest;
}
}
static int SProcDMXQueryVersion(ClientPtr client)
{
int n;
REQUEST(xDMXQueryVersionReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xDMXQueryVersionReq);
return ProcDMXQueryVersion(client);
}
static int SProcDMXSync(ClientPtr client)
{
int n;
REQUEST(xDMXSyncReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xDMXSyncReq);
return ProcDMXSync(client);
}
static int SProcDMXForceWindowCreation(ClientPtr client)
{
int n;
REQUEST(xDMXForceWindowCreationReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq);
swaps(&stuff->window, n);
return ProcDMXForceWindowCreation(client);
}
static int SProcDMXGetScreenCount(ClientPtr client)
{
int n;
REQUEST(xDMXGetScreenCountReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xDMXGetScreenCountReq);
return ProcDMXGetScreenCount(client);
}
static int SProcDMXGetScreenAttributes(ClientPtr client)
{
int n;
REQUEST(xDMXGetScreenAttributesReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq);
swapl(&stuff->physicalScreen, n);
return ProcDMXGetScreenAttributes(client);
}
static int SProcDMXChangeScreensAttributes(ClientPtr client)
{
int n;
REQUEST(xDMXChangeScreensAttributesReq);
swaps(&stuff->length, n);
REQUEST_AT_LEAST_SIZE(xDMXGetScreenAttributesReq);
swapl(&stuff->screenCount, n);
swapl(&stuff->maskCount, n);
SwapRestL(stuff);
return ProcDMXGetScreenAttributes(client);
}
static int SProcDMXAddScreen(ClientPtr client)
{
int n;
int paddedLength;
REQUEST(xDMXAddScreenReq);
swaps(&stuff->length, n);
REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq);
swapl(&stuff->displayNameLength, n);
swapl(&stuff->valueMask, n);
paddedLength = (stuff->displayNameLength + 3) & ~3;
SwapLongs((CARD32 *)(stuff+1), LengthRestL(stuff) - paddedLength/4);
return ProcDMXAddScreen(client);
}
static int SProcDMXRemoveScreen(ClientPtr client)
{
int n;
REQUEST(xDMXRemoveScreenReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xDMXRemoveScreenReq);
swapl(&stuff->physicalScreen, n);
return ProcDMXRemoveScreen(client);
}
static int SProcDMXGetWindowAttributes(ClientPtr client)
{
int n;
REQUEST(xDMXGetWindowAttributesReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq);
swapl(&stuff->window, n);
return ProcDMXGetWindowAttributes(client);
}
static int SProcDMXGetDesktopAttributes(ClientPtr client)
{
int n;
REQUEST(xDMXGetDesktopAttributesReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq);
return ProcDMXGetDesktopAttributes(client);
}
static int SProcDMXChangeDesktopAttributes(ClientPtr client)
{
int n;
REQUEST(xDMXChangeDesktopAttributesReq);
swaps(&stuff->length, n);
REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq);
swapl(&stuff->valueMask, n);
SwapRestL(stuff);
return ProcDMXChangeDesktopAttributes(client);
}
static int SProcDMXGetInputCount(ClientPtr client)
{
int n;
REQUEST(xDMXGetInputCountReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xDMXGetInputCountReq);
return ProcDMXGetInputCount(client);
}
static int SProcDMXGetInputAttributes(ClientPtr client)
{
int n;
REQUEST(xDMXGetInputAttributesReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq);
swapl(&stuff->deviceId, n);
return ProcDMXGetInputAttributes(client);
}
static int SProcDMXAddInput(ClientPtr client)
{
int n;
int paddedLength;
REQUEST(xDMXAddInputReq);
swaps(&stuff->length, n);
REQUEST_AT_LEAST_SIZE(xDMXAddInputReq);
swapl(&stuff->displayNameLength, n);
swapl(&stuff->valueMask, n);
paddedLength = (stuff->displayNameLength + 3) & ~3;
SwapLongs((CARD32 *)(stuff+1), LengthRestL(stuff) - paddedLength/4);
return ProcDMXAddInput(client);
}
static int SProcDMXRemoveInput(ClientPtr client)
{
int n;
REQUEST(xDMXRemoveInputReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xDMXRemoveInputReq);
swapl(&stuff->physicalId, n);
return ProcDMXRemoveInput(client);
}
static int SProcDMXDispatch (ClientPtr client)
{
REQUEST(xReq);
switch (stuff->data) {
case X_DMXQueryVersion: return SProcDMXQueryVersion(client);
case X_DMXSync: return SProcDMXSync(client);
case X_DMXForceWindowCreation: return SProcDMXForceWindowCreation(client);
case X_DMXGetScreenCount: return SProcDMXGetScreenCount(client);
case X_DMXGetScreenAttributes: return SProcDMXGetScreenAttributes(client);
case X_DMXChangeScreensAttributes:
return SProcDMXChangeScreensAttributes(client);
case X_DMXAddScreen: return SProcDMXAddScreen(client);
case X_DMXRemoveScreen: return SProcDMXRemoveScreen(client);
case X_DMXGetWindowAttributes: return SProcDMXGetWindowAttributes(client);
case X_DMXGetDesktopAttributes:
return SProcDMXGetDesktopAttributes(client);
case X_DMXChangeDesktopAttributes:
return SProcDMXChangeDesktopAttributes(client);
case X_DMXGetInputCount: return SProcDMXGetInputCount(client);
case X_DMXGetInputAttributes: return SProcDMXGetInputAttributes(client);
case X_DMXAddInput: return SProcDMXAddInput(client);
case X_DMXRemoveInput: return SProcDMXRemoveInput(client);
case X_DMXGetScreenInformationDEPRECATED:
case X_DMXForceWindowCreationDEPRECATED:
case X_DMXReconfigureScreenDEPRECATED:
return BadImplementation;
default: return BadRequest;
}
}
|
