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a09e091a JB |
1 | /* |
2 | * Copyright 2002-2004 Red Hat Inc., Durham, North Carolina. | |
3 | * | |
4 | * All Rights Reserved. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining | |
7 | * a copy of this software and associated documentation files (the | |
8 | * "Software"), to deal in the Software without restriction, including | |
9 | * without limitation on the rights to use, copy, modify, merge, | |
10 | * publish, distribute, sublicense, and/or sell copies of the Software, | |
11 | * and to permit persons to whom the Software is furnished to do so, | |
12 | * subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the | |
15 | * next paragraph) shall be included in all copies or substantial | |
16 | * portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
21 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS | |
22 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
23 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | * SOFTWARE. | |
26 | */ | |
27 | ||
28 | /* | |
29 | * Authors: | |
30 | * Rickard E. (Rik) Faith <faith@redhat.com> | |
31 | * | |
32 | */ | |
33 | ||
34 | /** \file | |
35 | * This file implements the server-side part of the DMX protocol. A | |
36 | * vector of fucntions is provided at extension initialization time, so | |
37 | * most all of the useful functions in this file are declared static and | |
38 | * do not appear in the doxygen documentation. | |
39 | * | |
40 | * Much of the low-level work is done by functions in \a dmxextension.c | |
41 | * | |
42 | * Please see the Client-to-Server DMX Extension to the X Protocol | |
43 | * document for details about the protocol. */ | |
44 | ||
45 | #ifdef HAVE_DMX_CONFIG_H | |
46 | #include <dmx-config.h> | |
47 | #endif | |
48 | ||
49 | #include <X11/X.h> | |
50 | #include <X11/Xproto.h> | |
51 | #include "misc.h" | |
52 | #include "os.h" | |
53 | #include "dixstruct.h" | |
54 | #include "extnsionst.h" | |
55 | #include "extinit.h" | |
56 | #include "opaque.h" | |
57 | ||
58 | #include "dmxextension.h" | |
59 | #include <X11/extensions/dmxproto.h> | |
60 | #include <X11/extensions/dmx.h> | |
61 | #include "protocol-versions.h" | |
62 | ||
63 | #ifdef PANORAMIX | |
64 | #include "panoramiX.h" | |
65 | extern unsigned long XRT_WINDOW; | |
66 | extern int PanoramiXNumScreens; | |
67 | #endif | |
68 | ||
69 | static unsigned char DMXCode; | |
70 | ||
71 | static int | |
72 | _DMXXineramaActive(void) | |
73 | { | |
74 | #ifdef PANORAMIX | |
75 | return !noPanoramiXExtension; | |
76 | #else | |
77 | return 0; | |
78 | #endif | |
79 | } | |
80 | ||
81 | static void | |
82 | dmxSetScreenAttribute(int bit, DMXScreenAttributesPtr attr, CARD32 value) | |
83 | { | |
84 | switch (1 << bit) { | |
85 | case DMXScreenWindowWidth: | |
86 | attr->screenWindowWidth = value; | |
87 | break; | |
88 | case DMXScreenWindowHeight: | |
89 | attr->screenWindowHeight = value; | |
90 | break; | |
91 | case DMXScreenWindowXoffset: | |
92 | attr->screenWindowXoffset = value; | |
93 | break; | |
94 | case DMXScreenWindowYoffset: | |
95 | attr->screenWindowYoffset = value; | |
96 | break; | |
97 | case DMXRootWindowWidth: | |
98 | attr->rootWindowWidth = value; | |
99 | break; | |
100 | case DMXRootWindowHeight: | |
101 | attr->rootWindowHeight = value; | |
102 | break; | |
103 | case DMXRootWindowXoffset: | |
104 | attr->rootWindowXoffset = value; | |
105 | break; | |
106 | case DMXRootWindowYoffset: | |
107 | attr->rootWindowYoffset = value; | |
108 | break; | |
109 | case DMXRootWindowXorigin: | |
110 | attr->rootWindowXorigin = value; | |
111 | break; | |
112 | case DMXRootWindowYorigin: | |
113 | attr->rootWindowYorigin = value; | |
114 | break; | |
115 | } | |
116 | } | |
117 | ||
118 | static int | |
119 | dmxFetchScreenAttributes(unsigned int mask, | |
120 | DMXScreenAttributesPtr attr, CARD32 *value_list) | |
121 | { | |
122 | int i; | |
123 | CARD32 *value = value_list; | |
124 | int count = 0; | |
125 | ||
126 | for (i = 0; i < 32; i++) { | |
127 | if (mask & (1 << i)) { | |
128 | dmxSetScreenAttribute(i, attr, *value); | |
129 | ++value; | |
130 | ++count; | |
131 | } | |
132 | } | |
133 | return count; | |
134 | } | |
135 | ||
136 | static void | |
137 | dmxSetDesktopAttribute(int bit, DMXDesktopAttributesPtr attr, CARD32 value) | |
138 | { | |
139 | switch (1 << bit) { | |
140 | case DMXDesktopWidth: | |
141 | attr->width = value; | |
142 | break; | |
143 | case DMXDesktopHeight: | |
144 | attr->height = value; | |
145 | break; | |
146 | case DMXDesktopShiftX: | |
147 | attr->shiftX = value; | |
148 | break; | |
149 | case DMXDesktopShiftY: | |
150 | attr->shiftY = value; | |
151 | break; | |
152 | } | |
153 | } | |
154 | ||
155 | static int | |
156 | dmxFetchDesktopAttributes(unsigned int mask, | |
157 | DMXDesktopAttributesPtr attr, CARD32 *value_list) | |
158 | { | |
159 | int i; | |
160 | CARD32 *value = value_list; | |
161 | int count = 0; | |
162 | ||
163 | for (i = 0; i < 32; i++) { | |
164 | if (mask & (1 << i)) { | |
165 | dmxSetDesktopAttribute(i, attr, *value); | |
166 | ++value; | |
167 | ++count; | |
168 | } | |
169 | } | |
170 | return count; | |
171 | } | |
172 | ||
173 | static void | |
174 | dmxSetInputAttribute(int bit, DMXInputAttributesPtr attr, CARD32 value) | |
175 | { | |
176 | switch (1 << bit) { | |
177 | case DMXInputType: | |
178 | attr->inputType = value; | |
179 | break; | |
180 | case DMXInputPhysicalScreen: | |
181 | attr->physicalScreen = value; | |
182 | break; | |
183 | case DMXInputSendsCore: | |
184 | attr->sendsCore = ! !value; | |
185 | break; | |
186 | } | |
187 | } | |
188 | ||
189 | static int | |
190 | dmxFetchInputAttributes(unsigned int mask, | |
191 | DMXInputAttributesPtr attr, CARD32 *value_list) | |
192 | { | |
193 | int i; | |
194 | CARD32 *value = value_list; | |
195 | int count = 0; | |
196 | ||
197 | for (i = 0; i < 32; i++) { | |
198 | if (mask & (1 << i)) { | |
199 | dmxSetInputAttribute(i, attr, *value); | |
200 | ++value; | |
201 | ++count; | |
202 | } | |
203 | } | |
204 | return count; | |
205 | } | |
206 | ||
207 | static int | |
208 | ProcDMXQueryVersion(ClientPtr client) | |
209 | { | |
210 | xDMXQueryVersionReply rep = { | |
211 | .type = X_Reply, | |
212 | .sequenceNumber = client->sequence, | |
213 | .length = 0, | |
214 | .majorVersion = SERVER_DMX_MAJOR_VERSION, | |
215 | .minorVersion = SERVER_DMX_MINOR_VERSION, | |
216 | .patchVersion = SERVER_DMX_PATCH_VERSION | |
217 | }; | |
218 | ||
219 | REQUEST_SIZE_MATCH(xDMXQueryVersionReq); | |
220 | ||
221 | if (client->swapped) { | |
222 | swaps(&rep.sequenceNumber); | |
223 | swapl(&rep.length); | |
224 | swapl(&rep.majorVersion); | |
225 | swapl(&rep.minorVersion); | |
226 | swapl(&rep.patchVersion); | |
227 | } | |
228 | WriteToClient(client, sizeof(xDMXQueryVersionReply), &rep); | |
229 | return Success; | |
230 | } | |
231 | ||
232 | static int | |
233 | ProcDMXSync(ClientPtr client) | |
234 | { | |
235 | xDMXSyncReply rep; | |
236 | ||
237 | REQUEST_SIZE_MATCH(xDMXSyncReq); | |
238 | ||
239 | dmxFlushPendingSyncs(); | |
240 | ||
241 | rep = (xDMXSyncReply) { | |
242 | .type = X_Reply, | |
243 | .sequenceNumber = client->sequence, | |
244 | .length = 0, | |
245 | .status = 0 | |
246 | }; | |
247 | if (client->swapped) { | |
248 | swaps(&rep.sequenceNumber); | |
249 | swapl(&rep.length); | |
250 | swapl(&rep.status); | |
251 | } | |
252 | WriteToClient(client, sizeof(xDMXSyncReply), &rep); | |
253 | return Success; | |
254 | } | |
255 | ||
256 | static int | |
257 | ProcDMXForceWindowCreation(ClientPtr client) | |
258 | { | |
259 | xDMXForceWindowCreationReply rep; | |
260 | ||
261 | REQUEST(xDMXForceWindowCreationReq); | |
262 | WindowPtr pWin; | |
263 | ||
264 | REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq); | |
265 | ||
266 | #ifdef PANORAMIX | |
267 | if (!noPanoramiXExtension) { | |
268 | PanoramiXRes *win; | |
269 | int i; | |
270 | ||
271 | if (Success != dixLookupResourceByType((pointer *) &win, | |
272 | stuff->window, XRT_WINDOW, | |
273 | client, DixReadAccess)) | |
274 | return -1; /* BadWindow */ | |
275 | ||
276 | FOR_NSCREENS(i) { | |
277 | if (Success != dixLookupWindow(&pWin, win->info[i].id, client, | |
278 | DixReadAccess)) | |
279 | return -1; /* BadWindow */ | |
280 | ||
281 | dmxForceWindowCreation(pWin); | |
282 | } | |
283 | goto doreply; | |
284 | } | |
285 | #endif | |
286 | ||
287 | if (Success != dixLookupWindow(&pWin, stuff->window, client, DixReadAccess)) | |
288 | return -1; /* BadWindow */ | |
289 | ||
290 | dmxForceWindowCreation(pWin); | |
291 | doreply: | |
292 | dmxFlushPendingSyncs(); | |
293 | rep = (xDMXForceWindowCreationReply) { | |
294 | .type = X_Reply, | |
295 | .sequenceNumber = client->sequence, | |
296 | .length = 0, | |
297 | .status = 0 | |
298 | }; | |
299 | if (client->swapped) { | |
300 | swaps(&rep.sequenceNumber); | |
301 | swapl(&rep.length); | |
302 | swapl(&rep.status); | |
303 | } | |
304 | WriteToClient(client, sizeof(xDMXForceWindowCreationReply), &rep); | |
305 | return Success; | |
306 | } | |
307 | ||
308 | static int | |
309 | ProcDMXGetScreenCount(ClientPtr client) | |
310 | { | |
311 | xDMXGetScreenCountReply rep; | |
312 | ||
313 | REQUEST_SIZE_MATCH(xDMXGetScreenCountReq); | |
314 | ||
315 | rep = (xDMXGetScreenCountReply) { | |
316 | .type = X_Reply, | |
317 | .sequenceNumber = client->sequence, | |
318 | .length = 0, | |
319 | .screenCount = dmxGetNumScreens() | |
320 | }; | |
321 | if (client->swapped) { | |
322 | swaps(&rep.sequenceNumber); | |
323 | swapl(&rep.length); | |
324 | swapl(&rep.screenCount); | |
325 | } | |
326 | WriteToClient(client, sizeof(xDMXGetScreenCountReply), &rep); | |
327 | return Success; | |
328 | } | |
329 | ||
330 | static int | |
331 | ProcDMXGetScreenAttributes(ClientPtr client) | |
332 | { | |
333 | REQUEST(xDMXGetScreenAttributesReq); | |
334 | xDMXGetScreenAttributesReply rep; | |
335 | int length; | |
336 | int paddedLength; | |
337 | DMXScreenAttributesRec attr; | |
338 | ||
339 | REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq); | |
340 | ||
341 | if (stuff->physicalScreen < 0 | |
342 | || stuff->physicalScreen >= dmxGetNumScreens()) | |
343 | return BadValue; | |
344 | ||
345 | if (!dmxGetScreenAttributes(stuff->physicalScreen, &attr)) | |
346 | return BadValue; | |
347 | ||
348 | length = attr.displayName ? strlen(attr.displayName) : 0; | |
349 | paddedLength = pad_to_int32(length); | |
350 | ||
351 | rep = (xDMXGetScreenAttributesReply) { | |
352 | .type = X_Reply, | |
353 | .sequenceNumber = client->sequence, | |
354 | .length = | |
355 | bytes_to_int32((sizeof(xDMXGetScreenAttributesReply) - | |
356 | sizeof(xGenericReply)) | |
357 | + paddedLength), | |
358 | .displayNameLength = length, | |
359 | .logicalScreen = attr.logicalScreen, | |
360 | .screenWindowWidth = attr.screenWindowWidth, | |
361 | .screenWindowHeight = attr.screenWindowHeight, | |
362 | .screenWindowXoffset = attr.screenWindowXoffset, | |
363 | .screenWindowYoffset = attr.screenWindowYoffset, | |
364 | .rootWindowWidth = attr.rootWindowWidth, | |
365 | .rootWindowHeight = attr.rootWindowHeight, | |
366 | .rootWindowXoffset = attr.rootWindowXoffset, | |
367 | .rootWindowYoffset = attr.rootWindowYoffset, | |
368 | .rootWindowXorigin = attr.rootWindowXorigin, | |
369 | .rootWindowYorigin = attr.rootWindowYorigin | |
370 | }; | |
371 | ||
372 | if (client->swapped) { | |
373 | swaps(&rep.sequenceNumber); | |
374 | swapl(&rep.length); | |
375 | swapl(&rep.displayNameLength); | |
376 | swapl(&rep.logicalScreen); | |
377 | swaps(&rep.screenWindowWidth); | |
378 | swaps(&rep.screenWindowHeight); | |
379 | swaps(&rep.screenWindowXoffset); | |
380 | swaps(&rep.screenWindowYoffset); | |
381 | swaps(&rep.rootWindowWidth); | |
382 | swaps(&rep.rootWindowHeight); | |
383 | swaps(&rep.rootWindowXoffset); | |
384 | swaps(&rep.rootWindowYoffset); | |
385 | swaps(&rep.rootWindowXorigin); | |
386 | swaps(&rep.rootWindowYorigin); | |
387 | } | |
388 | WriteToClient(client, sizeof(xDMXGetScreenAttributesReply), &rep); | |
389 | if (length) | |
390 | WriteToClient(client, length, attr.displayName); | |
391 | return Success; | |
392 | } | |
393 | ||
394 | static int | |
395 | ProcDMXChangeScreensAttributes(ClientPtr client) | |
396 | { | |
397 | REQUEST(xDMXChangeScreensAttributesReq); | |
398 | xDMXChangeScreensAttributesReply rep; | |
399 | int status = DMX_BAD_XINERAMA; | |
400 | unsigned int mask = 0; | |
401 | unsigned int i; | |
402 | CARD32 *screen_list; | |
403 | CARD32 *mask_list; | |
404 | CARD32 *value_list; | |
405 | DMXScreenAttributesPtr attribs; | |
406 | int errorScreen = 0; | |
407 | unsigned int len; | |
408 | int ones = 0; | |
409 | ||
410 | REQUEST_AT_LEAST_SIZE(xDMXChangeScreensAttributesReq); | |
411 | len = | |
412 | client->req_len - | |
413 | bytes_to_int32(sizeof(xDMXChangeScreensAttributesReq)); | |
414 | if (len < stuff->screenCount + stuff->maskCount) | |
415 | return BadLength; | |
416 | ||
417 | screen_list = (CARD32 *) (stuff + 1); | |
418 | mask_list = &screen_list[stuff->screenCount]; | |
419 | value_list = &mask_list[stuff->maskCount]; | |
420 | ||
421 | for (i = 0; i < stuff->maskCount; i++) | |
422 | ones += Ones(mask_list[i]); | |
423 | if (len != stuff->screenCount + stuff->maskCount + ones) | |
424 | return BadLength; | |
425 | ||
426 | if (!_DMXXineramaActive()) | |
427 | goto noxinerama; | |
428 | ||
429 | if (!(attribs = malloc(stuff->screenCount * sizeof(*attribs)))) | |
430 | return BadAlloc; | |
431 | ||
432 | for (i = 0; i < stuff->screenCount; i++) { | |
433 | int count; | |
434 | ||
435 | if (i < stuff->maskCount) | |
436 | mask = mask_list[i]; | |
437 | dmxGetScreenAttributes(screen_list[i], &attribs[i]); | |
438 | count = dmxFetchScreenAttributes(mask, &attribs[i], value_list); | |
439 | value_list += count; | |
440 | } | |
441 | ||
442 | #if PANORAMIX | |
443 | status = dmxConfigureScreenWindows(stuff->screenCount, | |
444 | screen_list, attribs, &errorScreen); | |
445 | #endif | |
446 | ||
447 | free(attribs); | |
448 | ||
449 | if (status == BadValue) | |
450 | return status; | |
451 | ||
452 | noxinerama: | |
453 | rep = (xDMXChangeScreensAttributesReply) { | |
454 | .type = X_Reply, | |
455 | .sequenceNumber = client->sequence, | |
456 | .length = 0, | |
457 | .status = status, | |
458 | .errorScreen = errorScreen | |
459 | }; | |
460 | if (client->swapped) { | |
461 | swaps(&rep.sequenceNumber); | |
462 | swapl(&rep.length); | |
463 | swapl(&rep.status); | |
464 | swapl(&rep.errorScreen); | |
465 | } | |
466 | WriteToClient(client, sizeof(xDMXChangeScreensAttributesReply), &rep); | |
467 | return Success; | |
468 | } | |
469 | ||
470 | static int | |
471 | ProcDMXAddScreen(ClientPtr client) | |
472 | { | |
473 | REQUEST(xDMXAddScreenReq); | |
474 | xDMXAddScreenReply rep; | |
475 | int status = 0; | |
476 | CARD32 *value_list; | |
477 | DMXScreenAttributesRec attr; | |
478 | int count; | |
479 | char *name; | |
480 | int len; | |
481 | int paddedLength; | |
482 | ||
483 | REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq); | |
484 | paddedLength = pad_to_int32(stuff->displayNameLength); | |
485 | len = client->req_len - bytes_to_int32(sizeof(xDMXAddScreenReq)); | |
486 | if (len != Ones(stuff->valueMask) + paddedLength / 4) | |
487 | return BadLength; | |
488 | ||
489 | memset(&attr, 0, sizeof(attr)); | |
490 | dmxGetScreenAttributes(stuff->physicalScreen, &attr); | |
491 | value_list = (CARD32 *) (stuff + 1); | |
492 | count = dmxFetchScreenAttributes(stuff->valueMask, &attr, value_list); | |
493 | ||
494 | if (!(name = malloc(stuff->displayNameLength + 1 + 4))) | |
495 | return BadAlloc; | |
496 | memcpy(name, &value_list[count], stuff->displayNameLength); | |
497 | name[stuff->displayNameLength] = '\0'; | |
498 | attr.displayName = name; | |
499 | ||
500 | status = dmxAttachScreen(stuff->physicalScreen, &attr); | |
501 | ||
502 | free(name); | |
503 | ||
504 | rep = (xDMXAddScreenReply) { | |
505 | .type = X_Reply, | |
506 | .sequenceNumber = client->sequence, | |
507 | .length = 0, | |
508 | .status = status, | |
509 | .physicalScreen = stuff->physicalScreen | |
510 | }; | |
511 | if (client->swapped) { | |
512 | swaps(&rep.sequenceNumber); | |
513 | swapl(&rep.length); | |
514 | swapl(&rep.status); | |
515 | swapl(&rep.physicalScreen); | |
516 | } | |
517 | WriteToClient(client, sizeof(xDMXAddScreenReply), &rep); | |
518 | return Success; | |
519 | } | |
520 | ||
521 | static int | |
522 | ProcDMXRemoveScreen(ClientPtr client) | |
523 | { | |
524 | REQUEST(xDMXRemoveScreenReq); | |
525 | xDMXRemoveScreenReply rep; | |
526 | int status = 0; | |
527 | ||
528 | REQUEST_SIZE_MATCH(xDMXRemoveScreenReq); | |
529 | ||
530 | status = dmxDetachScreen(stuff->physicalScreen); | |
531 | ||
532 | rep = (xDMXRemoveScreenReply) { | |
533 | .type = X_Reply, | |
534 | .sequenceNumber = client->sequence, | |
535 | .length = 0, | |
536 | .status = status | |
537 | }; | |
538 | if (client->swapped) { | |
539 | swaps(&rep.sequenceNumber); | |
540 | swapl(&rep.length); | |
541 | swapl(&rep.status); | |
542 | } | |
543 | WriteToClient(client, sizeof(xDMXRemoveScreenReply), &rep); | |
544 | return Success; | |
545 | } | |
546 | ||
547 | #ifdef PANORAMIX | |
548 | static int | |
549 | dmxPopulatePanoramiX(ClientPtr client, Window window, | |
550 | CARD32 *screens, CARD32 *windows, | |
551 | xRectangle *pos, xRectangle *vis) | |
552 | { | |
553 | WindowPtr pWin; | |
554 | PanoramiXRes *win; | |
555 | int i; | |
556 | int count = 0; | |
557 | DMXWindowAttributesRec attr; | |
558 | ||
559 | if (Success != dixLookupResourceByType((pointer *) &win, | |
560 | window, XRT_WINDOW, | |
561 | client, DixReadAccess)) | |
562 | return -1; /* BadWindow */ | |
563 | ||
564 | FOR_NSCREENS(i) { | |
565 | if (Success != dixLookupWindow(&pWin, win->info[i].id, client, | |
566 | DixReadAccess)) | |
567 | return -1; /* BadWindow */ | |
568 | if (dmxGetWindowAttributes(pWin, &attr)) { | |
569 | screens[count] = attr.screen; | |
570 | windows[count] = attr.window; | |
571 | pos[count] = attr.pos; | |
572 | vis[count] = attr.vis; | |
573 | ++count; /* Only count existing windows */ | |
574 | } | |
575 | } | |
576 | return count; | |
577 | } | |
578 | #endif | |
579 | ||
580 | static int | |
581 | dmxPopulate(ClientPtr client, Window window, CARD32 *screens, | |
582 | CARD32 *windows, xRectangle *pos, xRectangle *vis) | |
583 | { | |
584 | WindowPtr pWin; | |
585 | DMXWindowAttributesRec attr; | |
586 | ||
587 | #ifdef PANORAMIX | |
588 | if (!noPanoramiXExtension) | |
589 | return dmxPopulatePanoramiX(client, window, screens, windows, pos, vis); | |
590 | #endif | |
591 | ||
592 | if (Success != dixLookupWindow(&pWin, window, client, DixReadAccess)) | |
593 | return -1; /* BadWindow */ | |
594 | ||
595 | dmxGetWindowAttributes(pWin, &attr); | |
596 | *screens = attr.screen; | |
597 | *windows = attr.window; | |
598 | *pos = attr.pos; | |
599 | *vis = attr.vis; | |
600 | return 1; | |
601 | } | |
602 | ||
603 | static int | |
604 | dmxMaxNumScreens(void) | |
605 | { | |
606 | #ifdef PANORAMIX | |
607 | if (!noPanoramiXExtension) | |
608 | return PanoramiXNumScreens; | |
609 | #endif | |
610 | return 1; | |
611 | } | |
612 | ||
613 | static int | |
614 | ProcDMXGetWindowAttributes(ClientPtr client) | |
615 | { | |
616 | REQUEST(xDMXGetWindowAttributesReq); | |
617 | xDMXGetWindowAttributesReply rep; | |
618 | int i; | |
619 | CARD32 *screens; | |
620 | CARD32 *windows; | |
621 | xRectangle *pos, *vis; | |
622 | int count = dmxMaxNumScreens(); | |
623 | ||
624 | REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq); | |
625 | ||
626 | if (!(screens = malloc(count * sizeof(*screens)))) | |
627 | return BadAlloc; | |
628 | if (!(windows = malloc(count * sizeof(*windows)))) { | |
629 | free(screens); | |
630 | return BadAlloc; | |
631 | } | |
632 | if (!(pos = malloc(count * sizeof(*pos)))) { | |
633 | free(windows); | |
634 | free(screens); | |
635 | return BadAlloc; | |
636 | } | |
637 | if (!(vis = malloc(count * sizeof(*vis)))) { | |
638 | free(pos); | |
639 | free(windows); | |
640 | free(screens); | |
641 | return BadAlloc; | |
642 | } | |
643 | ||
644 | if ((count = dmxPopulate(client, stuff->window, screens, windows, | |
645 | pos, vis)) < 0) { | |
646 | free(vis); | |
647 | free(pos); | |
648 | free(windows); | |
649 | free(screens); | |
650 | return BadWindow; | |
651 | } | |
652 | ||
653 | rep = (xDMXGetWindowAttributesReply) { | |
654 | .type = X_Reply, | |
655 | .sequenceNumber = client->sequence, | |
656 | .length = count * 6, | |
657 | .screenCount = count | |
658 | }; | |
659 | if (client->swapped) { | |
660 | swaps(&rep.sequenceNumber); | |
661 | swapl(&rep.length); | |
662 | swapl(&rep.screenCount); | |
663 | for (i = 0; i < count; i++) { | |
664 | swapl(&screens[i]); | |
665 | swapl(&windows[i]); | |
666 | ||
667 | swaps(&pos[i].x); | |
668 | swaps(&pos[i].y); | |
669 | swaps(&pos[i].width); | |
670 | swaps(&pos[i].height); | |
671 | ||
672 | swaps(&vis[i].x); | |
673 | swaps(&vis[i].y); | |
674 | swaps(&vis[i].width); | |
675 | swaps(&vis[i].height); | |
676 | } | |
677 | } | |
678 | ||
679 | dmxFlushPendingSyncs(); | |
680 | ||
681 | WriteToClient(client, sizeof(xDMXGetWindowAttributesReply), &rep); | |
682 | if (count) { | |
683 | WriteToClient(client, count * sizeof(*screens), screens); | |
684 | WriteToClient(client, count * sizeof(*windows), windows); | |
685 | WriteToClient(client, count * sizeof(*pos), pos); | |
686 | WriteToClient(client, count * sizeof(*vis), vis); | |
687 | } | |
688 | ||
689 | free(vis); | |
690 | free(pos); | |
691 | free(windows); | |
692 | free(screens); | |
693 | ||
694 | return Success; | |
695 | } | |
696 | ||
697 | static int | |
698 | ProcDMXGetDesktopAttributes(ClientPtr client) | |
699 | { | |
700 | xDMXGetDesktopAttributesReply rep; | |
701 | DMXDesktopAttributesRec attr; | |
702 | ||
703 | REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq); | |
704 | ||
705 | dmxGetDesktopAttributes(&attr); | |
706 | ||
707 | rep = (xDMXGetDesktopAttributesReply) { | |
708 | .type = X_Reply, | |
709 | .sequenceNumber = client->sequence, | |
710 | .length = 0, | |
711 | .width = attr.width, | |
712 | .height = attr.height, | |
713 | .shiftX = attr.shiftX, | |
714 | .shiftY = attr.shiftY | |
715 | }; | |
716 | ||
717 | if (client->swapped) { | |
718 | swaps(&rep.sequenceNumber); | |
719 | swapl(&rep.length); | |
720 | swaps(&rep.width); | |
721 | swaps(&rep.height); | |
722 | swaps(&rep.shiftX); | |
723 | swaps(&rep.shiftY); | |
724 | } | |
725 | WriteToClient(client, sizeof(xDMXGetDesktopAttributesReply), &rep); | |
726 | return Success; | |
727 | } | |
728 | ||
729 | static int | |
730 | ProcDMXChangeDesktopAttributes(ClientPtr client) | |
731 | { | |
732 | REQUEST(xDMXChangeDesktopAttributesReq); | |
733 | xDMXChangeDesktopAttributesReply rep; | |
734 | int status = DMX_BAD_XINERAMA; | |
735 | CARD32 *value_list; | |
736 | DMXDesktopAttributesRec attr; | |
737 | int len; | |
738 | ||
739 | REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq); | |
740 | len = client->req_len - (sizeof(xDMXChangeDesktopAttributesReq) >> 2); | |
741 | if (len != Ones(stuff->valueMask)) | |
742 | return BadLength; | |
743 | ||
744 | if (!_DMXXineramaActive()) | |
745 | goto noxinerama; | |
746 | ||
747 | value_list = (CARD32 *) (stuff + 1); | |
748 | ||
749 | dmxGetDesktopAttributes(&attr); | |
750 | dmxFetchDesktopAttributes(stuff->valueMask, &attr, value_list); | |
751 | ||
752 | #if PANORAMIX | |
753 | status = dmxConfigureDesktop(&attr); | |
754 | #endif | |
755 | if (status == BadValue) | |
756 | return status; | |
757 | ||
758 | noxinerama: | |
759 | rep = (xDMXChangeDesktopAttributesReply) { | |
760 | .type = X_Reply, | |
761 | .sequenceNumber = client->sequence, | |
762 | .length = 0, | |
763 | .status = status | |
764 | }; | |
765 | if (client->swapped) { | |
766 | swaps(&rep.sequenceNumber); | |
767 | swapl(&rep.length); | |
768 | swapl(&rep.status); | |
769 | } | |
770 | WriteToClient(client, sizeof(xDMXChangeDesktopAttributesReply), &rep); | |
771 | return Success; | |
772 | } | |
773 | ||
774 | static int | |
775 | ProcDMXGetInputCount(ClientPtr client) | |
776 | { | |
777 | xDMXGetInputCountReply rep; | |
778 | ||
779 | REQUEST_SIZE_MATCH(xDMXGetInputCountReq); | |
780 | ||
781 | rep = (xDMXGetInputCountReply) { | |
782 | .type = X_Reply, | |
783 | .sequenceNumber = client->sequence, | |
784 | .length = 0, | |
785 | .inputCount = dmxGetInputCount() | |
786 | }; | |
787 | if (client->swapped) { | |
788 | swaps(&rep.sequenceNumber); | |
789 | swapl(&rep.length); | |
790 | swapl(&rep.inputCount); | |
791 | } | |
792 | WriteToClient(client, sizeof(xDMXGetInputCountReply), &rep); | |
793 | return Success; | |
794 | } | |
795 | ||
796 | static int | |
797 | ProcDMXGetInputAttributes(ClientPtr client) | |
798 | { | |
799 | REQUEST(xDMXGetInputAttributesReq); | |
800 | xDMXGetInputAttributesReply rep; | |
801 | int length; | |
802 | int paddedLength; | |
803 | DMXInputAttributesRec attr; | |
804 | ||
805 | REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq); | |
806 | ||
807 | if (dmxGetInputAttributes(stuff->deviceId, &attr)) | |
808 | return BadValue; | |
809 | ||
810 | length = attr.name ? strlen(attr.name) : 0; | |
811 | paddedLength = pad_to_int32(length); | |
812 | ||
813 | rep = (xDMXGetInputAttributesReply) { | |
814 | .type = X_Reply, | |
815 | .sequenceNumber = client->sequence, | |
816 | .length = bytes_to_int32(paddedLength), | |
817 | ||
818 | .inputType = attr.inputType, | |
819 | .physicalScreen = attr.physicalScreen, | |
820 | .physicalId = attr.physicalId, | |
821 | .nameLength = length, | |
822 | .isCore = attr.isCore, | |
823 | .sendsCore = attr.sendsCore, | |
824 | .detached = attr.detached | |
825 | }; | |
826 | ||
827 | if (client->swapped) { | |
828 | swaps(&rep.sequenceNumber); | |
829 | swapl(&rep.length); | |
830 | swapl(&rep.inputType); | |
831 | swapl(&rep.physicalScreen); | |
832 | swapl(&rep.physicalId); | |
833 | swapl(&rep.nameLength); | |
834 | } | |
835 | WriteToClient(client, sizeof(xDMXGetInputAttributesReply), &rep); | |
836 | if (length) | |
837 | WriteToClient(client, length, attr.name); | |
838 | return Success; | |
839 | } | |
840 | ||
841 | static int | |
842 | ProcDMXAddInput(ClientPtr client) | |
843 | { | |
844 | REQUEST(xDMXAddInputReq); | |
845 | xDMXAddInputReply rep; | |
846 | int status = 0; | |
847 | CARD32 *value_list; | |
848 | DMXInputAttributesRec attr; | |
849 | int count; | |
850 | char *name; | |
851 | int len; | |
852 | int paddedLength; | |
853 | int id = -1; | |
854 | ||
855 | REQUEST_AT_LEAST_SIZE(xDMXAddInputReq); | |
856 | paddedLength = pad_to_int32(stuff->displayNameLength); | |
857 | len = client->req_len - (sizeof(xDMXAddInputReq) >> 2); | |
858 | if (len != Ones(stuff->valueMask) + paddedLength / 4) | |
859 | return BadLength; | |
860 | ||
861 | memset(&attr, 0, sizeof(attr)); | |
862 | value_list = (CARD32 *) (stuff + 1); | |
863 | count = dmxFetchInputAttributes(stuff->valueMask, &attr, value_list); | |
864 | ||
865 | if (!(name = malloc(stuff->displayNameLength + 1 + 4))) | |
866 | return BadAlloc; | |
867 | memcpy(name, &value_list[count], stuff->displayNameLength); | |
868 | name[stuff->displayNameLength] = '\0'; | |
869 | attr.name = name; | |
870 | ||
871 | status = dmxAddInput(&attr, &id); | |
872 | ||
873 | free(name); | |
874 | ||
875 | if (status) | |
876 | return status; | |
877 | ||
878 | rep = (xDMXAddInputReply) { | |
879 | .type = X_Reply, | |
880 | .sequenceNumber = client->sequence, | |
881 | .length = 0, | |
882 | .status = status, | |
883 | .physicalId = id | |
884 | }; | |
885 | if (client->swapped) { | |
886 | swaps(&rep.sequenceNumber); | |
887 | swapl(&rep.length); | |
888 | swapl(&rep.status); | |
889 | swapl(&rep.physicalId); | |
890 | } | |
891 | WriteToClient(client, sizeof(xDMXAddInputReply), &rep); | |
892 | return Success; | |
893 | } | |
894 | ||
895 | static int | |
896 | ProcDMXRemoveInput(ClientPtr client) | |
897 | { | |
898 | REQUEST(xDMXRemoveInputReq); | |
899 | xDMXRemoveInputReply rep; | |
900 | int status = 0; | |
901 | ||
902 | REQUEST_SIZE_MATCH(xDMXRemoveInputReq); | |
903 | ||
904 | status = dmxRemoveInput(stuff->physicalId); | |
905 | ||
906 | if (status) | |
907 | return status; | |
908 | ||
909 | rep = (xDMXRemoveInputReply) { | |
910 | .type = X_Reply, | |
911 | .sequenceNumber = client->sequence, | |
912 | .length = 0, | |
913 | .status = status | |
914 | }; | |
915 | if (client->swapped) { | |
916 | swaps(&rep.sequenceNumber); | |
917 | swapl(&rep.length); | |
918 | swapl(&rep.status); | |
919 | } | |
920 | WriteToClient(client, sizeof(xDMXRemoveInputReply), &rep); | |
921 | return Success; | |
922 | } | |
923 | ||
924 | static int | |
925 | ProcDMXDispatch(ClientPtr client) | |
926 | { | |
927 | REQUEST(xReq); | |
928 | ||
929 | switch (stuff->data) { | |
930 | case X_DMXQueryVersion: | |
931 | return ProcDMXQueryVersion(client); | |
932 | case X_DMXSync: | |
933 | return ProcDMXSync(client); | |
934 | case X_DMXForceWindowCreation: | |
935 | return ProcDMXForceWindowCreation(client); | |
936 | case X_DMXGetScreenCount: | |
937 | return ProcDMXGetScreenCount(client); | |
938 | case X_DMXGetScreenAttributes: | |
939 | return ProcDMXGetScreenAttributes(client); | |
940 | case X_DMXChangeScreensAttributes: | |
941 | return ProcDMXChangeScreensAttributes(client); | |
942 | case X_DMXAddScreen: | |
943 | return ProcDMXAddScreen(client); | |
944 | case X_DMXRemoveScreen: | |
945 | return ProcDMXRemoveScreen(client); | |
946 | case X_DMXGetWindowAttributes: | |
947 | return ProcDMXGetWindowAttributes(client); | |
948 | case X_DMXGetDesktopAttributes: | |
949 | return ProcDMXGetDesktopAttributes(client); | |
950 | case X_DMXChangeDesktopAttributes: | |
951 | return ProcDMXChangeDesktopAttributes(client); | |
952 | case X_DMXGetInputCount: | |
953 | return ProcDMXGetInputCount(client); | |
954 | case X_DMXGetInputAttributes: | |
955 | return ProcDMXGetInputAttributes(client); | |
956 | case X_DMXAddInput: | |
957 | return ProcDMXAddInput(client); | |
958 | case X_DMXRemoveInput: | |
959 | return ProcDMXRemoveInput(client); | |
960 | ||
961 | case X_DMXGetScreenInformationDEPRECATED: | |
962 | case X_DMXForceWindowCreationDEPRECATED: | |
963 | case X_DMXReconfigureScreenDEPRECATED: | |
964 | return BadImplementation; | |
965 | ||
966 | default: | |
967 | return BadRequest; | |
968 | } | |
969 | } | |
970 | ||
971 | static int | |
972 | SProcDMXQueryVersion(ClientPtr client) | |
973 | { | |
974 | REQUEST(xDMXQueryVersionReq); | |
975 | ||
976 | swaps(&stuff->length); | |
977 | REQUEST_SIZE_MATCH(xDMXQueryVersionReq); | |
978 | return ProcDMXQueryVersion(client); | |
979 | } | |
980 | ||
981 | static int | |
982 | SProcDMXSync(ClientPtr client) | |
983 | { | |
984 | REQUEST(xDMXSyncReq); | |
985 | ||
986 | swaps(&stuff->length); | |
987 | REQUEST_SIZE_MATCH(xDMXSyncReq); | |
988 | return ProcDMXSync(client); | |
989 | } | |
990 | ||
991 | static int | |
992 | SProcDMXForceWindowCreation(ClientPtr client) | |
993 | { | |
994 | REQUEST(xDMXForceWindowCreationReq); | |
995 | ||
996 | swaps(&stuff->length); | |
997 | REQUEST_SIZE_MATCH(xDMXForceWindowCreationReq); | |
998 | swapl(&stuff->window); | |
999 | return ProcDMXForceWindowCreation(client); | |
1000 | } | |
1001 | ||
1002 | static int | |
1003 | SProcDMXGetScreenCount(ClientPtr client) | |
1004 | { | |
1005 | REQUEST(xDMXGetScreenCountReq); | |
1006 | ||
1007 | swaps(&stuff->length); | |
1008 | REQUEST_SIZE_MATCH(xDMXGetScreenCountReq); | |
1009 | return ProcDMXGetScreenCount(client); | |
1010 | } | |
1011 | ||
1012 | static int | |
1013 | SProcDMXGetScreenAttributes(ClientPtr client) | |
1014 | { | |
1015 | REQUEST(xDMXGetScreenAttributesReq); | |
1016 | ||
1017 | swaps(&stuff->length); | |
1018 | REQUEST_SIZE_MATCH(xDMXGetScreenAttributesReq); | |
1019 | swapl(&stuff->physicalScreen); | |
1020 | return ProcDMXGetScreenAttributes(client); | |
1021 | } | |
1022 | ||
1023 | static int | |
1024 | SProcDMXChangeScreensAttributes(ClientPtr client) | |
1025 | { | |
1026 | REQUEST(xDMXChangeScreensAttributesReq); | |
1027 | ||
1028 | swaps(&stuff->length); | |
1029 | REQUEST_AT_LEAST_SIZE(xDMXGetScreenAttributesReq); | |
1030 | swapl(&stuff->screenCount); | |
1031 | swapl(&stuff->maskCount); | |
1032 | SwapRestL(stuff); | |
1033 | return ProcDMXGetScreenAttributes(client); | |
1034 | } | |
1035 | ||
1036 | static int | |
1037 | SProcDMXAddScreen(ClientPtr client) | |
1038 | { | |
1039 | int paddedLength; | |
1040 | ||
1041 | REQUEST(xDMXAddScreenReq); | |
1042 | ||
1043 | swaps(&stuff->length); | |
1044 | REQUEST_AT_LEAST_SIZE(xDMXAddScreenReq); | |
1045 | swapl(&stuff->displayNameLength); | |
1046 | swapl(&stuff->valueMask); | |
1047 | paddedLength = pad_to_int32(stuff->displayNameLength); | |
1048 | SwapLongs((CARD32 *) (stuff + 1), LengthRestL(stuff) - paddedLength / 4); | |
1049 | return ProcDMXAddScreen(client); | |
1050 | } | |
1051 | ||
1052 | static int | |
1053 | SProcDMXRemoveScreen(ClientPtr client) | |
1054 | { | |
1055 | REQUEST(xDMXRemoveScreenReq); | |
1056 | ||
1057 | swaps(&stuff->length); | |
1058 | REQUEST_SIZE_MATCH(xDMXRemoveScreenReq); | |
1059 | swapl(&stuff->physicalScreen); | |
1060 | return ProcDMXRemoveScreen(client); | |
1061 | } | |
1062 | ||
1063 | static int | |
1064 | SProcDMXGetWindowAttributes(ClientPtr client) | |
1065 | { | |
1066 | REQUEST(xDMXGetWindowAttributesReq); | |
1067 | ||
1068 | swaps(&stuff->length); | |
1069 | REQUEST_SIZE_MATCH(xDMXGetWindowAttributesReq); | |
1070 | swapl(&stuff->window); | |
1071 | return ProcDMXGetWindowAttributes(client); | |
1072 | } | |
1073 | ||
1074 | static int | |
1075 | SProcDMXGetDesktopAttributes(ClientPtr client) | |
1076 | { | |
1077 | REQUEST(xDMXGetDesktopAttributesReq); | |
1078 | ||
1079 | swaps(&stuff->length); | |
1080 | REQUEST_SIZE_MATCH(xDMXGetDesktopAttributesReq); | |
1081 | return ProcDMXGetDesktopAttributes(client); | |
1082 | } | |
1083 | ||
1084 | static int | |
1085 | SProcDMXChangeDesktopAttributes(ClientPtr client) | |
1086 | { | |
1087 | REQUEST(xDMXChangeDesktopAttributesReq); | |
1088 | ||
1089 | swaps(&stuff->length); | |
1090 | REQUEST_AT_LEAST_SIZE(xDMXChangeDesktopAttributesReq); | |
1091 | swapl(&stuff->valueMask); | |
1092 | SwapRestL(stuff); | |
1093 | return ProcDMXChangeDesktopAttributes(client); | |
1094 | } | |
1095 | ||
1096 | static int | |
1097 | SProcDMXGetInputCount(ClientPtr client) | |
1098 | { | |
1099 | REQUEST(xDMXGetInputCountReq); | |
1100 | ||
1101 | swaps(&stuff->length); | |
1102 | REQUEST_SIZE_MATCH(xDMXGetInputCountReq); | |
1103 | return ProcDMXGetInputCount(client); | |
1104 | } | |
1105 | ||
1106 | static int | |
1107 | SProcDMXGetInputAttributes(ClientPtr client) | |
1108 | { | |
1109 | REQUEST(xDMXGetInputAttributesReq); | |
1110 | ||
1111 | swaps(&stuff->length); | |
1112 | REQUEST_SIZE_MATCH(xDMXGetInputAttributesReq); | |
1113 | swapl(&stuff->deviceId); | |
1114 | return ProcDMXGetInputAttributes(client); | |
1115 | } | |
1116 | ||
1117 | static int | |
1118 | SProcDMXAddInput(ClientPtr client) | |
1119 | { | |
1120 | int paddedLength; | |
1121 | ||
1122 | REQUEST(xDMXAddInputReq); | |
1123 | ||
1124 | swaps(&stuff->length); | |
1125 | REQUEST_AT_LEAST_SIZE(xDMXAddInputReq); | |
1126 | swapl(&stuff->displayNameLength); | |
1127 | swapl(&stuff->valueMask); | |
1128 | paddedLength = pad_to_int32(stuff->displayNameLength); | |
1129 | SwapLongs((CARD32 *) (stuff + 1), LengthRestL(stuff) - paddedLength / 4); | |
1130 | return ProcDMXAddInput(client); | |
1131 | } | |
1132 | ||
1133 | static int | |
1134 | SProcDMXRemoveInput(ClientPtr client) | |
1135 | { | |
1136 | REQUEST(xDMXRemoveInputReq); | |
1137 | ||
1138 | swaps(&stuff->length); | |
1139 | REQUEST_SIZE_MATCH(xDMXRemoveInputReq); | |
1140 | swapl(&stuff->physicalId); | |
1141 | return ProcDMXRemoveInput(client); | |
1142 | } | |
1143 | ||
1144 | static int | |
1145 | SProcDMXDispatch(ClientPtr client) | |
1146 | { | |
1147 | REQUEST(xReq); | |
1148 | ||
1149 | switch (stuff->data) { | |
1150 | case X_DMXQueryVersion: | |
1151 | return SProcDMXQueryVersion(client); | |
1152 | case X_DMXSync: | |
1153 | return SProcDMXSync(client); | |
1154 | case X_DMXForceWindowCreation: | |
1155 | return SProcDMXForceWindowCreation(client); | |
1156 | case X_DMXGetScreenCount: | |
1157 | return SProcDMXGetScreenCount(client); | |
1158 | case X_DMXGetScreenAttributes: | |
1159 | return SProcDMXGetScreenAttributes(client); | |
1160 | case X_DMXChangeScreensAttributes: | |
1161 | return SProcDMXChangeScreensAttributes(client); | |
1162 | case X_DMXAddScreen: | |
1163 | return SProcDMXAddScreen(client); | |
1164 | case X_DMXRemoveScreen: | |
1165 | return SProcDMXRemoveScreen(client); | |
1166 | case X_DMXGetWindowAttributes: | |
1167 | return SProcDMXGetWindowAttributes(client); | |
1168 | case X_DMXGetDesktopAttributes: | |
1169 | return SProcDMXGetDesktopAttributes(client); | |
1170 | case X_DMXChangeDesktopAttributes: | |
1171 | return SProcDMXChangeDesktopAttributes(client); | |
1172 | case X_DMXGetInputCount: | |
1173 | return SProcDMXGetInputCount(client); | |
1174 | case X_DMXGetInputAttributes: | |
1175 | return SProcDMXGetInputAttributes(client); | |
1176 | case X_DMXAddInput: | |
1177 | return SProcDMXAddInput(client); | |
1178 | case X_DMXRemoveInput: | |
1179 | return SProcDMXRemoveInput(client); | |
1180 | ||
1181 | case X_DMXGetScreenInformationDEPRECATED: | |
1182 | case X_DMXForceWindowCreationDEPRECATED: | |
1183 | case X_DMXReconfigureScreenDEPRECATED: | |
1184 | return BadImplementation; | |
1185 | ||
1186 | default: | |
1187 | return BadRequest; | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | /** Initialize the extension. */ | |
1192 | void | |
1193 | DMXExtensionInit(void) | |
1194 | { | |
1195 | ExtensionEntry *extEntry; | |
1196 | ||
1197 | if ((extEntry = AddExtension(DMX_EXTENSION_NAME, 0, 0, | |
1198 | ProcDMXDispatch, SProcDMXDispatch, | |
1199 | NULL, StandardMinorOpcode))) | |
1200 | DMXCode = extEntry->base; | |
1201 | } |