File: | dix/dispatch.c |
Location: | line 3579, column 5 |
Description: | Value stored to 'numScreens' is never read |
1 | /************************************************************ |
2 | |
3 | Copyright 1987, 1989, 1998 The Open Group |
4 | |
5 | Permission to use, copy, modify, distribute, and sell this software and its |
6 | documentation for any purpose is hereby granted without fee, provided that |
7 | the above copyright notice appear in all copies and that both that |
8 | copyright notice and this permission notice appear in supporting |
9 | documentation. |
10 | |
11 | The above copyright notice and this permission notice shall be included in |
12 | all copies or substantial portions of the Software. |
13 | |
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
20 | |
21 | Except as contained in this notice, the name of The Open Group shall not be |
22 | used in advertising or otherwise to promote the sale, use or other dealings |
23 | in this Software without prior written authorization from The Open Group. |
24 | |
25 | Copyright 1987, 1989 by Digital Equipment Corporation, Maynard, Massachusetts. |
26 | |
27 | All Rights Reserved |
28 | |
29 | Permission to use, copy, modify, and distribute this software and its |
30 | documentation for any purpose and without fee is hereby granted, |
31 | provided that the above copyright notice appear in all copies and that |
32 | both that copyright notice and this permission notice appear in |
33 | supporting documentation, and that the name of Digital not be |
34 | used in advertising or publicity pertaining to distribution of the |
35 | software without specific, written prior permission. |
36 | |
37 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
39 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
43 | SOFTWARE. |
44 | |
45 | ********************************************************/ |
46 | |
47 | /* The panoramix components contained the following notice */ |
48 | /***************************************************************** |
49 | |
50 | Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. |
51 | |
52 | Permission is hereby granted, free of charge, to any person obtaining a copy |
53 | of this software and associated documentation files (the "Software"), to deal |
54 | in the Software without restriction, including without limitation the rights |
55 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
56 | copies of the Software. |
57 | |
58 | The above copyright notice and this permission notice shall be included in |
59 | all copies or substantial portions of the Software. |
60 | |
61 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
62 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
63 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
64 | DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, |
65 | BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, |
66 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR |
67 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
68 | |
69 | Except as contained in this notice, the name of Digital Equipment Corporation |
70 | shall not be used in advertising or otherwise to promote the sale, use or other |
71 | dealings in this Software without prior written authorization from Digital |
72 | Equipment Corporation. |
73 | |
74 | ******************************************************************/ |
75 | |
76 | /* XSERVER_DTRACE additions: |
77 | * Copyright (c) 2005-2006, Oracle and/or its affiliates. All rights reserved. |
78 | * |
79 | * Permission is hereby granted, free of charge, to any person obtaining a |
80 | * copy of this software and associated documentation files (the "Software"), |
81 | * to deal in the Software without restriction, including without limitation |
82 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
83 | * and/or sell copies of the Software, and to permit persons to whom the |
84 | * Software is furnished to do so, subject to the following conditions: |
85 | * |
86 | * The above copyright notice and this permission notice (including the next |
87 | * paragraph) shall be included in all copies or substantial portions of the |
88 | * Software. |
89 | * |
90 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
91 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
92 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
93 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
94 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
95 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
96 | * DEALINGS IN THE SOFTWARE. |
97 | */ |
98 | |
99 | #ifdef HAVE_DIX_CONFIG_H1 |
100 | #include <dix-config.h> |
101 | #include <version-config.h> |
102 | #endif |
103 | |
104 | #ifdef PANORAMIX_DEBUG |
105 | #include <stdio.h> |
106 | int ProcInitialConnection(); |
107 | #endif |
108 | |
109 | #include "windowstr.h" |
110 | #include <X11/fonts/fontstruct.h> |
111 | #include "dixfontstr.h" |
112 | #include "gcstruct.h" |
113 | #include "selection.h" |
114 | #include "colormapst.h" |
115 | #include "cursorstr.h" |
116 | #include "scrnintstr.h" |
117 | #include "opaque.h" |
118 | #include "input.h" |
119 | #include "servermd.h" |
120 | #include "extnsionst.h" |
121 | #include "dixfont.h" |
122 | #include "dispatch.h" |
123 | #include "swaprep.h" |
124 | #include "swapreq.h" |
125 | #include "privates.h" |
126 | #include "xace.h" |
127 | #include "inputstr.h" |
128 | #include "xkbsrv.h" |
129 | #include "site.h" |
130 | #include "client.h" |
131 | |
132 | #ifdef XSERVER_DTRACE1 |
133 | #include "registry.h" |
134 | #include "probes.h" |
135 | #endif |
136 | |
137 | #define mskcnt((256 + 31) / 32) ((MAXCLIENTS256 + 31) / 32) |
138 | #define BITMASK(i)(1U << ((i) & 31)) (1U << ((i) & 31)) |
139 | #define MASKIDX(i)((i) >> 5) ((i) >> 5) |
140 | #define MASKWORD(buf, i)buf[((i) >> 5)] buf[MASKIDX(i)((i) >> 5)] |
141 | #define BITSET(buf, i)buf[((i) >> 5)] |= (1U << ((i) & 31)) MASKWORD(buf, i)buf[((i) >> 5)] |= BITMASK(i)(1U << ((i) & 31)) |
142 | #define BITCLEAR(buf, i)buf[((i) >> 5)] &= ~(1U << ((i) & 31)) MASKWORD(buf, i)buf[((i) >> 5)] &= ~BITMASK(i)(1U << ((i) & 31)) |
143 | #define GETBIT(buf, i)(buf[((i) >> 5)] & (1U << ((i) & 31))) (MASKWORD(buf, i)buf[((i) >> 5)] & BITMASK(i)(1U << ((i) & 31))) |
144 | |
145 | xConnSetupPrefix connSetupPrefix; |
146 | |
147 | PaddingInfo PixmapWidthPaddingInfo[33]; |
148 | |
149 | static ClientPtr grabClient; |
150 | |
151 | #define GrabNone0 0 |
152 | #define GrabActive1 1 |
153 | #define GrabKickout2 2 |
154 | static int grabState = GrabNone0; |
155 | static long grabWaiters[mskcnt((256 + 31) / 32)]; |
156 | CallbackListPtr ServerGrabCallback = NULL((void*)0); |
157 | HWEventQueuePtr checkForInput[2]; |
158 | int connBlockScreenStart; |
159 | |
160 | static void KillAllClients(void); |
161 | |
162 | static int nextFreeClientID; /* always MIN free client ID */ |
163 | |
164 | static int nClients; /* number of authorized clients */ |
165 | |
166 | CallbackListPtr ClientStateCallback; |
167 | |
168 | /* dispatchException & isItTimeToYield must be declared volatile since they |
169 | * are modified by signal handlers - otherwise optimizer may assume it doesn't |
170 | * need to actually check value in memory when used and may miss changes from |
171 | * signal handlers. |
172 | */ |
173 | volatile char dispatchException = 0; |
174 | volatile char isItTimeToYield; |
175 | |
176 | #define SAME_SCREENS(a, b)( (a.pScreen == b.pScreen)) (\ |
177 | (a.pScreen == b.pScreen)) |
178 | |
179 | void |
180 | SetInputCheck(HWEventQueuePtr c0, HWEventQueuePtr c1) |
181 | { |
182 | checkForInput[0] = c0; |
183 | checkForInput[1] = c1; |
184 | } |
185 | |
186 | void |
187 | UpdateCurrentTime(void) |
188 | { |
189 | TimeStamp systime; |
190 | |
191 | /* To avoid time running backwards, we must call GetTimeInMillis before |
192 | * calling ProcessInputEvents. |
193 | */ |
194 | systime.months = currentTime.months; |
195 | systime.milliseconds = GetTimeInMillis(); |
196 | if (systime.milliseconds < currentTime.milliseconds) |
197 | systime.months++; |
198 | if (*checkForInput[0] != *checkForInput[1]) |
199 | ProcessInputEvents(); |
200 | if (CompareTimeStamps(systime, currentTime) == LATER1) |
201 | currentTime = systime; |
202 | } |
203 | |
204 | /* Like UpdateCurrentTime, but can't call ProcessInputEvents */ |
205 | void |
206 | UpdateCurrentTimeIf(void) |
207 | { |
208 | TimeStamp systime; |
209 | |
210 | systime.months = currentTime.months; |
211 | systime.milliseconds = GetTimeInMillis(); |
212 | if (systime.milliseconds < currentTime.milliseconds) |
213 | systime.months++; |
214 | if (CompareTimeStamps(systime, currentTime) == LATER1) |
215 | currentTime = systime; |
216 | } |
217 | |
218 | #undef SMART_DEBUG |
219 | |
220 | /* in milliseconds */ |
221 | #define SMART_SCHEDULE_DEFAULT_INTERVAL5 5 |
222 | #define SMART_SCHEDULE_MAX_SLICE15 15 |
223 | |
224 | #if defined(WIN32) && !defined(__CYGWIN__) |
225 | Bool SmartScheduleDisable = TRUE1; |
226 | #else |
227 | Bool SmartScheduleDisable = FALSE0; |
228 | #endif |
229 | long SmartScheduleSlice = SMART_SCHEDULE_DEFAULT_INTERVAL5; |
230 | long SmartScheduleInterval = SMART_SCHEDULE_DEFAULT_INTERVAL5; |
231 | long SmartScheduleMaxSlice = SMART_SCHEDULE_MAX_SLICE15; |
232 | long SmartScheduleTime; |
233 | int SmartScheduleLatencyLimited = 0; |
234 | static ClientPtr SmartLastClient; |
235 | static int SmartLastIndex[SMART_MAX_PRIORITY(20) - SMART_MIN_PRIORITY(-20) + 1]; |
236 | |
237 | #ifdef SMART_DEBUG |
238 | long SmartLastPrint; |
239 | #endif |
240 | |
241 | void Dispatch(void); |
242 | |
243 | static int |
244 | SmartScheduleClient(int *clientReady, int nready) |
245 | { |
246 | ClientPtr pClient; |
247 | int i; |
248 | int client; |
249 | int bestPrio, best = 0; |
250 | int bestRobin, robin; |
251 | long now = SmartScheduleTime; |
252 | long idle; |
253 | |
254 | bestPrio = -0x7fffffff; |
255 | bestRobin = 0; |
256 | idle = 2 * SmartScheduleSlice; |
257 | for (i = 0; i < nready; i++) { |
258 | client = clientReady[i]; |
259 | pClient = clients[client]; |
260 | /* Praise clients which haven't run in a while */ |
261 | if ((now - pClient->smart_stop_tick) >= idle) { |
262 | if (pClient->smart_priority < 0) |
263 | pClient->smart_priority++; |
264 | } |
265 | |
266 | /* check priority to select best client */ |
267 | robin = |
268 | (pClient->index - |
269 | SmartLastIndex[pClient->smart_priority - |
270 | SMART_MIN_PRIORITY(-20)]) & 0xff; |
271 | if (pClient->smart_priority > bestPrio || |
272 | (pClient->smart_priority == bestPrio && robin > bestRobin)) { |
273 | bestPrio = pClient->smart_priority; |
274 | bestRobin = robin; |
275 | best = client; |
276 | } |
277 | #ifdef SMART_DEBUG |
278 | if ((now - SmartLastPrint) >= 5000) |
279 | fprintf(stderr__stderrp, " %2d: %3d", client, pClient->smart_priority); |
280 | #endif |
281 | } |
282 | #ifdef SMART_DEBUG |
283 | if ((now - SmartLastPrint) >= 5000) { |
284 | fprintf(stderr__stderrp, " use %2d\n", best); |
285 | SmartLastPrint = now; |
286 | } |
287 | #endif |
288 | pClient = clients[best]; |
289 | SmartLastIndex[bestPrio - SMART_MIN_PRIORITY(-20)] = pClient->index; |
290 | /* |
291 | * Set current client pointer |
292 | */ |
293 | if (SmartLastClient != pClient) { |
294 | pClient->smart_start_tick = now; |
295 | SmartLastClient = pClient; |
296 | } |
297 | /* |
298 | * Adjust slice |
299 | */ |
300 | if (nready == 1 && SmartScheduleLatencyLimited == 0) { |
301 | /* |
302 | * If it's been a long time since another client |
303 | * has run, bump the slice up to get maximal |
304 | * performance from a single client |
305 | */ |
306 | if ((now - pClient->smart_start_tick) > 1000 && |
307 | SmartScheduleSlice < SmartScheduleMaxSlice) { |
308 | SmartScheduleSlice += SmartScheduleInterval; |
309 | } |
310 | } |
311 | else { |
312 | SmartScheduleSlice = SmartScheduleInterval; |
313 | } |
314 | return best; |
315 | } |
316 | |
317 | void |
318 | EnableLimitedSchedulingLatency(void) |
319 | { |
320 | ++SmartScheduleLatencyLimited; |
321 | SmartScheduleSlice = SmartScheduleInterval; |
322 | } |
323 | |
324 | void |
325 | DisableLimitedSchedulingLatency(void) |
326 | { |
327 | --SmartScheduleLatencyLimited; |
328 | |
329 | /* protect against bugs */ |
330 | if (SmartScheduleLatencyLimited < 0) |
331 | SmartScheduleLatencyLimited = 0; |
332 | } |
333 | |
334 | void |
335 | Dispatch(void) |
336 | { |
337 | int *clientReady; /* array of request ready clients */ |
338 | int result; |
339 | ClientPtr client; |
340 | int nready; |
341 | HWEventQueuePtr *icheck = checkForInput; |
342 | long start_tick; |
343 | |
344 | nextFreeClientID = 1; |
345 | nClients = 0; |
346 | |
347 | clientReady = malloc(sizeof(int) * MaxClients); |
348 | if (!clientReady) |
349 | return; |
350 | |
351 | SmartScheduleSlice = SmartScheduleInterval; |
352 | while (!dispatchException) { |
353 | if (*icheck[0] != *icheck[1]) { |
354 | ProcessInputEvents(); |
355 | FlushIfCriticalOutputPending(); |
356 | } |
357 | |
358 | nready = WaitForSomething(clientReady); |
359 | |
360 | if (nready && !SmartScheduleDisable) { |
361 | clientReady[0] = SmartScheduleClient(clientReady, nready); |
362 | nready = 1; |
363 | } |
364 | /***************** |
365 | * Handle events in round robin fashion, doing input between |
366 | * each round |
367 | *****************/ |
368 | |
369 | while (!dispatchException && (--nready >= 0)) { |
370 | client = clients[clientReady[nready]]; |
371 | if (!client) { |
372 | /* KillClient can cause this to happen */ |
373 | continue; |
374 | } |
375 | /* GrabServer activation can cause this to be true */ |
376 | if (grabState == GrabKickout2) { |
377 | grabState = GrabActive1; |
378 | break; |
379 | } |
380 | isItTimeToYield = FALSE0; |
381 | |
382 | start_tick = SmartScheduleTime; |
383 | while (!isItTimeToYield) { |
384 | if (*icheck[0] != *icheck[1]) |
385 | ProcessInputEvents(); |
386 | |
387 | FlushIfCriticalOutputPending(); |
388 | if (!SmartScheduleDisable && |
389 | (SmartScheduleTime - start_tick) >= SmartScheduleSlice) { |
390 | /* Penalize clients which consume ticks */ |
391 | if (client->smart_priority > SMART_MIN_PRIORITY(-20)) |
392 | client->smart_priority--; |
393 | break; |
394 | } |
395 | /* now, finally, deal with client requests */ |
396 | |
397 | /* Update currentTime so request time checks, such as for input |
398 | * device grabs, are calculated correctly */ |
399 | UpdateCurrentTimeIf(); |
400 | result = ReadRequestFromClient(client); |
401 | if (result <= 0) { |
402 | if (result < 0) |
403 | CloseDownClient(client); |
404 | break; |
405 | } |
406 | |
407 | client->sequence++; |
408 | client->majorOp = ((xReq *) client->requestBuffer)->reqType; |
409 | client->minorOp = 0; |
410 | if (client->majorOp >= EXTENSION_BASE128) { |
411 | ExtensionEntry *ext = GetExtensionEntry(client->majorOp); |
412 | |
413 | if (ext) |
414 | client->minorOp = ext->MinorOpcode(client); |
415 | } |
416 | #ifdef XSERVER_DTRACE1 |
417 | if (XSERVER_REQUEST_START_ENABLED()({ int _r = __dtrace_isenabled$Xserver$request__start$v1(); __asm__ volatile(""); _r; })) |
418 | XSERVER_REQUEST_START(LookupMajorName(client->majorOp),do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$request__start$v1$63686172202a$75696e74385f74$75696e7431365f74$696e74$766f6964202a (LookupMajorName(client->majorOp), client->majorOp, ((xReq *) client->requestBuffer)->length, client->index, client ->requestBuffer); __asm__ volatile(".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0) |
419 | client->majorOp,do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$request__start$v1$63686172202a$75696e74385f74$75696e7431365f74$696e74$766f6964202a (LookupMajorName(client->majorOp), client->majorOp, ((xReq *) client->requestBuffer)->length, client->index, client ->requestBuffer); __asm__ volatile(".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0) |
420 | ((xReq *) client->requestBuffer)->length,do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$request__start$v1$63686172202a$75696e74385f74$75696e7431365f74$696e74$766f6964202a (LookupMajorName(client->majorOp), client->majorOp, ((xReq *) client->requestBuffer)->length, client->index, client ->requestBuffer); __asm__ volatile(".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0) |
421 | client->index,do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$request__start$v1$63686172202a$75696e74385f74$75696e7431365f74$696e74$766f6964202a (LookupMajorName(client->majorOp), client->majorOp, ((xReq *) client->requestBuffer)->length, client->index, client ->requestBuffer); __asm__ volatile(".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0) |
422 | client->requestBuffer)do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$request__start$v1$63686172202a$75696e74385f74$75696e7431365f74$696e74$766f6964202a (LookupMajorName(client->majorOp), client->majorOp, ((xReq *) client->requestBuffer)->length, client->index, client ->requestBuffer); __asm__ volatile(".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0); |
423 | #endif |
424 | if (result > (maxBigRequestSize << 2)) |
425 | result = BadLength16; |
426 | else { |
427 | result = XaceHookDispatch(client, client->majorOp); |
428 | if (result == Success0) |
429 | result = |
430 | (*client->requestVector[client->majorOp]) (client); |
431 | XaceHookAuditEnd(client, result); |
432 | } |
433 | #ifdef XSERVER_DTRACE1 |
434 | if (XSERVER_REQUEST_DONE_ENABLED()({ int _r = __dtrace_isenabled$Xserver$request__done$v1(); __asm__ volatile(""); _r; })) |
435 | XSERVER_REQUEST_DONE(LookupMajorName(client->majorOp),do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$request__done$v1$63686172202a$75696e74385f74$75696e7433325f74$696e74$696e74 (LookupMajorName(client->majorOp), client->majorOp, client ->sequence, client->index, result); __asm__ volatile(".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0) |
436 | client->majorOp, client->sequence,do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$request__done$v1$63686172202a$75696e74385f74$75696e7433325f74$696e74$696e74 (LookupMajorName(client->majorOp), client->majorOp, client ->sequence, client->index, result); __asm__ volatile(".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0) |
437 | client->index, result)do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$request__done$v1$63686172202a$75696e74385f74$75696e7433325f74$696e74$696e74 (LookupMajorName(client->majorOp), client->majorOp, client ->sequence, client->index, result); __asm__ volatile(".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0); |
438 | #endif |
439 | |
440 | if (client->noClientException != Success0) { |
441 | CloseDownClient(client); |
442 | break; |
443 | } |
444 | else if (result != Success0) { |
445 | SendErrorToClient(client, client->majorOp, |
446 | client->minorOp, |
447 | client->errorValue, result); |
448 | break; |
449 | } |
450 | } |
451 | FlushAllOutput(); |
452 | client = clients[clientReady[nready]]; |
453 | if (client) |
454 | client->smart_stop_tick = SmartScheduleTime; |
455 | } |
456 | dispatchException &= ~DE_PRIORITYCHANGE4; |
457 | } |
458 | #if defined(DDXBEFORERESET) |
459 | ddxBeforeReset(); |
460 | #endif |
461 | KillAllClients(); |
462 | free(clientReady); |
463 | dispatchException &= ~DE_RESET1; |
464 | SmartScheduleLatencyLimited = 0; |
465 | ResetOsBuffers(); |
466 | } |
467 | |
468 | static int VendorRelease = VENDOR_RELEASE(((1) * 10000000) + ((17) * 100000) + ((4) * 1000) + 0); |
469 | static const char *VendorString = VENDOR_NAME"The X.Org Foundation"; |
470 | |
471 | void |
472 | SetVendorRelease(int release) |
473 | { |
474 | VendorRelease = release; |
475 | } |
476 | |
477 | void |
478 | SetVendorString(const char *vendor) |
479 | { |
480 | VendorString = vendor; |
481 | } |
482 | |
483 | Bool |
484 | CreateConnectionBlock(void) |
485 | { |
486 | xConnSetup setup; |
487 | xWindowRoot root; |
488 | xDepth depth; |
489 | xVisualType visual; |
490 | xPixmapFormat format; |
491 | unsigned long vid; |
492 | int i, j, k, lenofblock, sizesofar = 0; |
493 | char *pBuf; |
494 | |
495 | memset(&setup, 0, sizeof(xConnSetup))__builtin___memset_chk (&setup, 0, sizeof(xConnSetup), __builtin_object_size (&setup, 0)); |
496 | /* Leave off the ridBase and ridMask, these must be sent with |
497 | connection */ |
498 | |
499 | setup.release = VendorRelease; |
500 | /* |
501 | * per-server image and bitmap parameters are defined in Xmd.h |
502 | */ |
503 | setup.imageByteOrder = screenInfo.imageByteOrder; |
504 | |
505 | setup.bitmapScanlineUnit = screenInfo.bitmapScanlineUnit; |
506 | setup.bitmapScanlinePad = screenInfo.bitmapScanlinePad; |
507 | |
508 | setup.bitmapBitOrder = screenInfo.bitmapBitOrder; |
509 | setup.motionBufferSize = NumMotionEvents(); |
510 | setup.numRoots = screenInfo.numScreens; |
511 | setup.nbytesVendor = strlen(VendorString); |
512 | setup.numFormats = screenInfo.numPixmapFormats; |
513 | setup.maxRequestSize = MAX_REQUEST_SIZE65535; |
514 | QueryMinMaxKeyCodes(&setup.minKeyCode, &setup.maxKeyCode); |
515 | |
516 | lenofblock = sizeof(xConnSetup) + |
517 | pad_to_int32(setup.nbytesVendor) + |
518 | (setup.numFormats * sizeof(xPixmapFormat)) + |
519 | (setup.numRoots * sizeof(xWindowRoot)); |
520 | ConnectionInfo = malloc(lenofblock); |
521 | if (!ConnectionInfo) |
522 | return FALSE0; |
523 | |
524 | memmove(ConnectionInfo, (char *) &setup, sizeof(xConnSetup))__builtin___memmove_chk (ConnectionInfo, (char *) &setup, sizeof(xConnSetup), __builtin_object_size (ConnectionInfo, 0 )); |
525 | sizesofar = sizeof(xConnSetup); |
526 | pBuf = ConnectionInfo + sizeof(xConnSetup); |
527 | |
528 | memmove(pBuf, VendorString, (int) setup.nbytesVendor)__builtin___memmove_chk (pBuf, VendorString, (int) setup.nbytesVendor , __builtin_object_size (pBuf, 0)); |
529 | sizesofar += setup.nbytesVendor; |
530 | pBuf += setup.nbytesVendor; |
531 | i = padding_for_int32(setup.nbytesVendor); |
532 | sizesofar += i; |
533 | while (--i >= 0) |
534 | *pBuf++ = 0; |
535 | |
536 | memset(&format, 0, sizeof(xPixmapFormat))__builtin___memset_chk (&format, 0, sizeof(xPixmapFormat) , __builtin_object_size (&format, 0)); |
537 | for (i = 0; i < screenInfo.numPixmapFormats; i++) { |
538 | format.depth = screenInfo.formats[i].depth; |
539 | format.bitsPerPixel = screenInfo.formats[i].bitsPerPixel; |
540 | format.scanLinePad = screenInfo.formats[i].scanlinePad; |
541 | memmove(pBuf, (char *) &format, sizeof(xPixmapFormat))__builtin___memmove_chk (pBuf, (char *) &format, sizeof(xPixmapFormat ), __builtin_object_size (pBuf, 0)); |
542 | pBuf += sizeof(xPixmapFormat); |
543 | sizesofar += sizeof(xPixmapFormat); |
544 | } |
545 | |
546 | connBlockScreenStart = sizesofar; |
547 | memset(&depth, 0, sizeof(xDepth))__builtin___memset_chk (&depth, 0, sizeof(xDepth), __builtin_object_size (&depth, 0)); |
548 | memset(&visual, 0, sizeof(xVisualType))__builtin___memset_chk (&visual, 0, sizeof(xVisualType), __builtin_object_size (&visual, 0)); |
549 | for (i = 0; i < screenInfo.numScreens; i++) { |
550 | ScreenPtr pScreen; |
551 | DepthPtr pDepth; |
552 | VisualPtr pVisual; |
553 | |
554 | pScreen = screenInfo.screens[i]; |
555 | root.windowId = pScreen->root->drawable.id; |
556 | root.defaultColormap = pScreen->defColormap; |
557 | root.whitePixel = pScreen->whitePixel; |
558 | root.blackPixel = pScreen->blackPixel; |
559 | root.currentInputMask = 0; /* filled in when sent */ |
560 | root.pixWidth = pScreen->width; |
561 | root.pixHeight = pScreen->height; |
562 | root.mmWidth = pScreen->mmWidth; |
563 | root.mmHeight = pScreen->mmHeight; |
564 | root.minInstalledMaps = pScreen->minInstalledCmaps; |
565 | root.maxInstalledMaps = pScreen->maxInstalledCmaps; |
566 | root.rootVisualID = pScreen->rootVisual; |
567 | root.backingStore = pScreen->backingStoreSupport; |
568 | root.saveUnders = FALSE0; |
569 | root.rootDepth = pScreen->rootDepth; |
570 | root.nDepths = pScreen->numDepths; |
571 | memmove(pBuf, (char *) &root, sizeof(xWindowRoot))__builtin___memmove_chk (pBuf, (char *) &root, sizeof(xWindowRoot ), __builtin_object_size (pBuf, 0)); |
572 | sizesofar += sizeof(xWindowRoot); |
573 | pBuf += sizeof(xWindowRoot); |
574 | |
575 | pDepth = pScreen->allowedDepths; |
576 | for (j = 0; j < pScreen->numDepths; j++, pDepth++) { |
577 | lenofblock += sizeof(xDepth) + |
578 | (pDepth->numVids * sizeof(xVisualType)); |
579 | pBuf = (char *) realloc(ConnectionInfo, lenofblock); |
580 | if (!pBuf) { |
581 | free(ConnectionInfo); |
582 | return FALSE0; |
583 | } |
584 | ConnectionInfo = pBuf; |
585 | pBuf += sizesofar; |
586 | depth.depth = pDepth->depth; |
587 | depth.nVisuals = pDepth->numVids; |
588 | memmove(pBuf, (char *) &depth, sizeof(xDepth))__builtin___memmove_chk (pBuf, (char *) &depth, sizeof(xDepth ), __builtin_object_size (pBuf, 0)); |
589 | pBuf += sizeof(xDepth); |
590 | sizesofar += sizeof(xDepth); |
591 | for (k = 0; k < pDepth->numVids; k++) { |
592 | vid = pDepth->vids[k]; |
593 | for (pVisual = pScreen->visuals; |
594 | pVisual->vid != vid; pVisual++); |
595 | visual.visualID = vid; |
596 | visual.class = pVisual->class; |
597 | visual.bitsPerRGB = pVisual->bitsPerRGBValue; |
598 | visual.colormapEntries = pVisual->ColormapEntries; |
599 | visual.redMask = pVisual->redMask; |
600 | visual.greenMask = pVisual->greenMask; |
601 | visual.blueMask = pVisual->blueMask; |
602 | memmove(pBuf, (char *) &visual, sizeof(xVisualType))__builtin___memmove_chk (pBuf, (char *) &visual, sizeof(xVisualType ), __builtin_object_size (pBuf, 0)); |
603 | pBuf += sizeof(xVisualType); |
604 | sizesofar += sizeof(xVisualType); |
605 | } |
606 | } |
607 | } |
608 | connSetupPrefix.success = xTrue1; |
609 | connSetupPrefix.length = lenofblock / 4; |
610 | connSetupPrefix.majorVersion = X_PROTOCOL11; |
611 | connSetupPrefix.minorVersion = X_PROTOCOL_REVISION0; |
612 | return TRUE1; |
613 | } |
614 | |
615 | int |
616 | ProcBadRequest(ClientPtr client) |
617 | { |
618 | return BadRequest1; |
619 | } |
620 | |
621 | int |
622 | ProcCreateWindow(ClientPtr client) |
623 | { |
624 | WindowPtr pParent, pWin; |
625 | |
626 | REQUEST(xCreateWindowReq)xCreateWindowReq *stuff = (xCreateWindowReq *)client->requestBuffer; |
627 | int len, rc; |
628 | |
629 | REQUEST_AT_LEAST_SIZE(xCreateWindowReq)if ((sizeof(xCreateWindowReq) >> 2) > client->req_len ) return(16); |
630 | |
631 | LEGAL_NEW_RESOURCE(stuff->wid, client)if (!LegalNewID(stuff->wid,client)) { client->errorValue = stuff->wid; return 14; }; |
632 | rc = dixLookupWindow(&pParent, stuff->parent, client, DixAddAccess(1<<12)); |
633 | if (rc != Success0) |
634 | return rc; |
635 | len = client->req_len - bytes_to_int32(sizeof(xCreateWindowReq)); |
636 | if (Ones(stuff->mask) != len) |
637 | return BadLength16; |
638 | if (!stuff->width || !stuff->height) { |
639 | client->errorValue = 0; |
640 | return BadValue2; |
641 | } |
642 | pWin = CreateWindow(stuff->wid, pParent, stuff->x, |
643 | stuff->y, stuff->width, stuff->height, |
644 | stuff->borderWidth, stuff->class, |
645 | stuff->mask, (XID *) &stuff[1], |
646 | (int) stuff->depth, client, stuff->visual, &rc); |
647 | if (pWin) { |
648 | Mask mask = pWin->eventMask; |
649 | |
650 | pWin->eventMask = 0; /* subterfuge in case AddResource fails */ |
651 | if (!AddResourceDarwin_X_AddResource(stuff->wid, RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), (void *) pWin)) |
652 | return BadAlloc11; |
653 | pWin->eventMask = mask; |
654 | } |
655 | return rc; |
656 | } |
657 | |
658 | int |
659 | ProcChangeWindowAttributes(ClientPtr client) |
660 | { |
661 | WindowPtr pWin; |
662 | |
663 | REQUEST(xChangeWindowAttributesReq)xChangeWindowAttributesReq *stuff = (xChangeWindowAttributesReq *)client->requestBuffer; |
664 | int len, rc; |
665 | Mask access_mode = 0; |
666 | |
667 | REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq)if ((sizeof(xChangeWindowAttributesReq) >> 2) > client ->req_len ) return(16); |
668 | access_mode |= (stuff->valueMask & CWEventMask(1L<<11)) ? DixReceiveAccess(1<<23) : 0; |
669 | access_mode |= (stuff->valueMask & ~CWEventMask(1L<<11)) ? DixSetAttrAccess(1<<5) : 0; |
670 | rc = dixLookupWindow(&pWin, stuff->window, client, access_mode); |
671 | if (rc != Success0) |
672 | return rc; |
673 | len = client->req_len - bytes_to_int32(sizeof(xChangeWindowAttributesReq)); |
674 | if (len != Ones(stuff->valueMask)) |
675 | return BadLength16; |
676 | return ChangeWindowAttributesDarwin_X_ChangeWindowAttributes(pWin, |
677 | stuff->valueMask, (XID *) &stuff[1], client); |
678 | } |
679 | |
680 | int |
681 | ProcGetWindowAttributes(ClientPtr client) |
682 | { |
683 | WindowPtr pWin; |
684 | |
685 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
686 | xGetWindowAttributesReply wa; |
687 | int rc; |
688 | |
689 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
690 | rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess(1<<4)); |
691 | if (rc != Success0) |
692 | return rc; |
693 | memset(&wa, 0, sizeof(xGetWindowAttributesReply))__builtin___memset_chk (&wa, 0, sizeof(xGetWindowAttributesReply ), __builtin_object_size (&wa, 0)); |
694 | GetWindowAttributes(pWin, client, &wa)Darwin_X_GetWindowAttributes(pWin,client,&wa); |
695 | WriteReplyToClient(client, sizeof(xGetWindowAttributesReply), &wa){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xGetWindowAttributesReply )), &wa); else WriteToClient(client, (int)(sizeof(xGetWindowAttributesReply )), (&wa)); }; |
696 | return Success0; |
697 | } |
698 | |
699 | int |
700 | ProcDestroyWindow(ClientPtr client) |
701 | { |
702 | WindowPtr pWin; |
703 | |
704 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
705 | int rc; |
706 | |
707 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
708 | rc = dixLookupWindow(&pWin, stuff->id, client, DixDestroyAccess(1<<2)); |
709 | if (rc != Success0) |
710 | return rc; |
711 | if (pWin->parent) { |
712 | rc = dixLookupWindow(&pWin, pWin->parent->drawable.id, client, |
713 | DixRemoveAccess(1<<13)); |
714 | if (rc != Success0) |
715 | return rc; |
716 | FreeResource(stuff->id, RT_NONE((RESTYPE)0)); |
717 | } |
718 | return Success0; |
719 | } |
720 | |
721 | int |
722 | ProcDestroySubwindows(ClientPtr client) |
723 | { |
724 | WindowPtr pWin; |
725 | |
726 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
727 | int rc; |
728 | |
729 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
730 | rc = dixLookupWindow(&pWin, stuff->id, client, DixRemoveAccess(1<<13)); |
731 | if (rc != Success0) |
732 | return rc; |
733 | DestroySubwindows(pWin, client); |
734 | return Success0; |
735 | } |
736 | |
737 | int |
738 | ProcChangeSaveSet(ClientPtr client) |
739 | { |
740 | WindowPtr pWin; |
741 | |
742 | REQUEST(xChangeSaveSetReq)xChangeSaveSetReq *stuff = (xChangeSaveSetReq *)client->requestBuffer; |
743 | int rc; |
744 | |
745 | REQUEST_SIZE_MATCH(xChangeSaveSetReq)if ((sizeof(xChangeSaveSetReq) >> 2) != client->req_len ) return(16); |
746 | rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess(1<<25)); |
747 | if (rc != Success0) |
748 | return rc; |
749 | if (client->clientAsMask == (CLIENT_BITS(pWin->drawable.id)((pWin->drawable.id) & (((1 << 8) - 1) << ( 29 - 8))))) |
750 | return BadMatch8; |
751 | if ((stuff->mode == SetModeInsert0) || (stuff->mode == SetModeDelete1)) |
752 | return AlterSaveSetForClient(client, pWin, stuff->mode, FALSE0, TRUE1); |
753 | client->errorValue = stuff->mode; |
754 | return BadValue2; |
755 | } |
756 | |
757 | int |
758 | ProcReparentWindow(ClientPtr client) |
759 | { |
760 | WindowPtr pWin, pParent; |
761 | |
762 | REQUEST(xReparentWindowReq)xReparentWindowReq *stuff = (xReparentWindowReq *)client-> requestBuffer; |
763 | int rc; |
764 | |
765 | REQUEST_SIZE_MATCH(xReparentWindowReq)if ((sizeof(xReparentWindowReq) >> 2) != client->req_len ) return(16); |
766 | rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess(1<<25)); |
767 | if (rc != Success0) |
768 | return rc; |
769 | rc = dixLookupWindow(&pParent, stuff->parent, client, DixAddAccess(1<<12)); |
770 | if (rc != Success0) |
771 | return rc; |
772 | if (!SAME_SCREENS(pWin->drawable, pParent->drawable)( (pWin->drawable.pScreen == pParent->drawable.pScreen) )) |
773 | return BadMatch8; |
774 | if ((pWin->backgroundState == ParentRelative1L) && |
775 | (pParent->drawable.depth != pWin->drawable.depth)) |
776 | return BadMatch8; |
777 | if ((pWin->drawable.class != InputOnly2) && |
778 | (pParent->drawable.class == InputOnly2)) |
779 | return BadMatch8; |
780 | return ReparentWindow(pWin, pParent, |
781 | (short) stuff->x, (short) stuff->y, client); |
782 | } |
783 | |
784 | int |
785 | ProcMapWindow(ClientPtr client) |
786 | { |
787 | WindowPtr pWin; |
788 | |
789 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
790 | int rc; |
791 | |
792 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
793 | rc = dixLookupWindow(&pWin, stuff->id, client, DixShowAccess(1<<15)); |
794 | if (rc != Success0) |
795 | return rc; |
796 | MapWindow(pWin, client); |
797 | /* update cache to say it is mapped */ |
798 | return Success0; |
799 | } |
800 | |
801 | int |
802 | ProcMapSubwindows(ClientPtr client) |
803 | { |
804 | WindowPtr pWin; |
805 | |
806 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
807 | int rc; |
808 | |
809 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
810 | rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess(1<<11)); |
811 | if (rc != Success0) |
812 | return rc; |
813 | MapSubwindows(pWin, client); |
814 | /* update cache to say it is mapped */ |
815 | return Success0; |
816 | } |
817 | |
818 | int |
819 | ProcUnmapWindow(ClientPtr client) |
820 | { |
821 | WindowPtr pWin; |
822 | |
823 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
824 | int rc; |
825 | |
826 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
827 | rc = dixLookupWindow(&pWin, stuff->id, client, DixHideAccess(1<<14)); |
828 | if (rc != Success0) |
829 | return rc; |
830 | UnmapWindow(pWin, FALSE0); |
831 | /* update cache to say it is mapped */ |
832 | return Success0; |
833 | } |
834 | |
835 | int |
836 | ProcUnmapSubwindows(ClientPtr client) |
837 | { |
838 | WindowPtr pWin; |
839 | |
840 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
841 | int rc; |
842 | |
843 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
844 | rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess(1<<11)); |
845 | if (rc != Success0) |
846 | return rc; |
847 | UnmapSubwindows(pWin); |
848 | return Success0; |
849 | } |
850 | |
851 | int |
852 | ProcConfigureWindow(ClientPtr client) |
853 | { |
854 | WindowPtr pWin; |
855 | |
856 | REQUEST(xConfigureWindowReq)xConfigureWindowReq *stuff = (xConfigureWindowReq *)client-> requestBuffer; |
857 | int len, rc; |
858 | |
859 | REQUEST_AT_LEAST_SIZE(xConfigureWindowReq)if ((sizeof(xConfigureWindowReq) >> 2) > client-> req_len ) return(16); |
860 | rc = dixLookupWindow(&pWin, stuff->window, client, |
861 | DixManageAccess(1<<25) | DixSetAttrAccess(1<<5)); |
862 | if (rc != Success0) |
863 | return rc; |
864 | len = client->req_len - bytes_to_int32(sizeof(xConfigureWindowReq)); |
865 | if (Ones((Mask) stuff->mask) != len) |
866 | return BadLength16; |
867 | return ConfigureWindow(pWin, (Mask) stuff->mask, (XID *) &stuff[1], client); |
868 | } |
869 | |
870 | int |
871 | ProcCirculateWindow(ClientPtr client) |
872 | { |
873 | WindowPtr pWin; |
874 | |
875 | REQUEST(xCirculateWindowReq)xCirculateWindowReq *stuff = (xCirculateWindowReq *)client-> requestBuffer; |
876 | int rc; |
877 | |
878 | REQUEST_SIZE_MATCH(xCirculateWindowReq)if ((sizeof(xCirculateWindowReq) >> 2) != client->req_len ) return(16); |
879 | if ((stuff->direction != RaiseLowest0) && (stuff->direction != LowerHighest1)) { |
880 | client->errorValue = stuff->direction; |
881 | return BadValue2; |
882 | } |
883 | rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess(1<<25)); |
884 | if (rc != Success0) |
885 | return rc; |
886 | CirculateWindow(pWin, (int) stuff->direction, client); |
887 | return Success0; |
888 | } |
889 | |
890 | static int |
891 | GetGeometry(ClientPtr client, xGetGeometryReply * rep) |
892 | { |
893 | DrawablePtr pDraw; |
894 | int rc; |
895 | |
896 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
897 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
898 | |
899 | rc = dixLookupDrawable(&pDraw, stuff->id, client, M_ANY(-1), DixGetAttrAccess(1<<4)); |
900 | if (rc != Success0) |
901 | return rc; |
902 | |
903 | rep->type = X_Reply1; |
904 | rep->length = 0; |
905 | rep->sequenceNumber = client->sequence; |
906 | rep->root = pDraw->pScreen->root->drawable.id; |
907 | rep->depth = pDraw->depth; |
908 | rep->width = pDraw->width; |
909 | rep->height = pDraw->height; |
910 | |
911 | if (WindowDrawable(pDraw->type)((pDraw->type == 0) || (pDraw->type == 2))) { |
912 | WindowPtr pWin = (WindowPtr) pDraw; |
913 | |
914 | rep->x = pWin->origin.x - wBorderWidth(pWin)((int) (pWin)->borderWidth); |
915 | rep->y = pWin->origin.y - wBorderWidth(pWin)((int) (pWin)->borderWidth); |
916 | rep->borderWidth = pWin->borderWidth; |
917 | } |
918 | else { /* DRAWABLE_PIXMAP */ |
919 | |
920 | rep->x = rep->y = rep->borderWidth = 0; |
921 | } |
922 | |
923 | return Success0; |
924 | } |
925 | |
926 | int |
927 | ProcGetGeometry(ClientPtr client) |
928 | { |
929 | xGetGeometryReply rep = { .type = X_Reply1 }; |
930 | int status; |
931 | |
932 | if ((status = GetGeometry(client, &rep)) != Success0) |
933 | return status; |
934 | |
935 | WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xGetGeometryReply )), &rep); else WriteToClient(client, (int)(sizeof(xGetGeometryReply )), (&rep)); }; |
936 | return Success0; |
937 | } |
938 | |
939 | int |
940 | ProcQueryTree(ClientPtr client) |
941 | { |
942 | xQueryTreeReply reply; |
943 | int rc, numChildren = 0; |
944 | WindowPtr pChild, pWin, pHead; |
945 | Window *childIDs = (Window *) NULL((void*)0); |
946 | |
947 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
948 | |
949 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
950 | rc = dixLookupWindow(&pWin, stuff->id, client, DixListAccess(1<<11)); |
951 | if (rc != Success0) |
952 | return rc; |
953 | |
954 | reply = (xQueryTreeReply) { |
955 | .type = X_Reply1, |
956 | .sequenceNumber = client->sequence, |
957 | .root = pWin->drawable.pScreen->root->drawable.id, |
958 | .parent = (pWin->parent) ? pWin->parent->drawable.id : (Window) None0L |
959 | }; |
960 | pHead = RealChildHead(pWin); |
961 | for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib) |
962 | numChildren++; |
963 | if (numChildren) { |
964 | int curChild = 0; |
965 | |
966 | childIDs = malloc(numChildren * sizeof(Window)); |
967 | if (!childIDs) |
968 | return BadAlloc11; |
969 | for (pChild = pWin->lastChild; pChild != pHead; |
970 | pChild = pChild->prevSib) |
971 | childIDs[curChild++] = pChild->drawable.id; |
972 | } |
973 | |
974 | reply.nChildren = numChildren; |
975 | reply.length = bytes_to_int32(numChildren * sizeof(Window)); |
976 | |
977 | WriteReplyToClient(client, sizeof(xQueryTreeReply), &reply){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xQueryTreeReply )), &reply); else WriteToClient(client, (int)(sizeof(xQueryTreeReply )), (&reply)); }; |
978 | if (numChildren) { |
979 | client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; |
980 | WriteSwappedDataToClient(client, numChildren * sizeof(Window),if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(numChildren * sizeof(Window)), childIDs); else WriteToClient (client, (int)(numChildren * sizeof(Window)), (childIDs)); |
981 | childIDs)if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(numChildren * sizeof(Window)), childIDs); else WriteToClient (client, (int)(numChildren * sizeof(Window)), (childIDs));; |
982 | free(childIDs); |
983 | } |
984 | |
985 | return Success0; |
986 | } |
987 | |
988 | int |
989 | ProcInternAtom(ClientPtr client) |
990 | { |
991 | Atom atom; |
992 | char *tchar; |
993 | |
994 | REQUEST(xInternAtomReq)xInternAtomReq *stuff = (xInternAtomReq *)client->requestBuffer; |
995 | |
996 | REQUEST_FIXED_SIZE(xInternAtomReq, stuff->nbytes)if (((sizeof(xInternAtomReq) >> 2) > client->req_len ) || (((stuff->nbytes) >> 2) >= client->req_len ) || ((((uint64_t) sizeof(xInternAtomReq) + (stuff->nbytes ) + 3) >> 2) != (uint64_t) client->req_len)) return( 16); |
997 | if ((stuff->onlyIfExists != xTrue1) && (stuff->onlyIfExists != xFalse0)) { |
998 | client->errorValue = stuff->onlyIfExists; |
999 | return BadValue2; |
1000 | } |
1001 | tchar = (char *) &stuff[1]; |
1002 | atom = MakeAtom(tchar, stuff->nbytes, !stuff->onlyIfExists); |
1003 | if (atom != BAD_RESOURCE0xe0000000) { |
1004 | xInternAtomReply reply = { |
1005 | .type = X_Reply1, |
1006 | .sequenceNumber = client->sequence, |
1007 | .length = 0, |
1008 | .atom = atom |
1009 | }; |
1010 | WriteReplyToClient(client, sizeof(xInternAtomReply), &reply){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xInternAtomReply )), &reply); else WriteToClient(client, (int)(sizeof(xInternAtomReply )), (&reply)); }; |
1011 | return Success0; |
1012 | } |
1013 | else |
1014 | return BadAlloc11; |
1015 | } |
1016 | |
1017 | int |
1018 | ProcGetAtomName(ClientPtr client) |
1019 | { |
1020 | const char *str; |
1021 | |
1022 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
1023 | |
1024 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
1025 | if ((str = NameForAtom(stuff->id))) { |
1026 | int len = strlen(str); |
1027 | xGetAtomNameReply reply = { |
1028 | .type = X_Reply1, |
1029 | .sequenceNumber = client->sequence, |
1030 | .length = bytes_to_int32(len), |
1031 | .nameLength = len |
1032 | }; |
1033 | |
1034 | WriteReplyToClient(client, sizeof(xGetAtomNameReply), &reply){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xGetAtomNameReply )), &reply); else WriteToClient(client, (int)(sizeof(xGetAtomNameReply )), (&reply)); }; |
1035 | WriteToClient(client, len, str); |
1036 | return Success0; |
1037 | } |
1038 | else { |
1039 | client->errorValue = stuff->id; |
1040 | return BadAtom5; |
1041 | } |
1042 | } |
1043 | |
1044 | int |
1045 | ProcGrabServer(ClientPtr client) |
1046 | { |
1047 | int rc; |
1048 | |
1049 | REQUEST_SIZE_MATCH(xReq)if ((sizeof(xReq) >> 2) != client->req_len) return(16 ); |
1050 | if (grabState != GrabNone0 && client != grabClient) { |
1051 | ResetCurrentRequest(client); |
1052 | client->sequence--; |
1053 | BITSET(grabWaiters, client->index)grabWaiters[((client->index) >> 5)] |= (1U << ( (client->index) & 31)); |
1054 | IgnoreClient(client); |
1055 | return Success0; |
1056 | } |
1057 | rc = OnlyListenToOneClient(client); |
1058 | if (rc != Success0) |
1059 | return rc; |
1060 | grabState = GrabKickout2; |
1061 | grabClient = client; |
1062 | |
1063 | if (ServerGrabCallback) { |
1064 | ServerGrabInfoRec grabinfo; |
1065 | |
1066 | grabinfo.client = client; |
1067 | grabinfo.grabstate = SERVER_GRABBED; |
1068 | CallCallbacks(&ServerGrabCallback, (void *) &grabinfo); |
1069 | } |
1070 | |
1071 | return Success0; |
1072 | } |
1073 | |
1074 | static void |
1075 | UngrabServer(ClientPtr client) |
1076 | { |
1077 | int i; |
1078 | |
1079 | grabState = GrabNone0; |
1080 | ListenToAllClients(); |
1081 | for (i = mskcnt((256 + 31) / 32); --i >= 0 && !grabWaiters[i];); |
1082 | if (i >= 0) { |
1083 | i <<= 5; |
1084 | while (!GETBIT(grabWaiters, i)(grabWaiters[((i) >> 5)] & (1U << ((i) & 31 )))) |
1085 | i++; |
1086 | BITCLEAR(grabWaiters, i)grabWaiters[((i) >> 5)] &= ~(1U << ((i) & 31)); |
1087 | AttendClient(clients[i]); |
1088 | } |
1089 | |
1090 | if (ServerGrabCallback) { |
1091 | ServerGrabInfoRec grabinfo; |
1092 | |
1093 | grabinfo.client = client; |
1094 | grabinfo.grabstate = SERVER_UNGRABBED; |
1095 | CallCallbacks(&ServerGrabCallback, (void *) &grabinfo); |
1096 | } |
1097 | } |
1098 | |
1099 | int |
1100 | ProcUngrabServer(ClientPtr client) |
1101 | { |
1102 | REQUEST_SIZE_MATCH(xReq)if ((sizeof(xReq) >> 2) != client->req_len) return(16 ); |
1103 | UngrabServer(client); |
1104 | return Success0; |
1105 | } |
1106 | |
1107 | int |
1108 | ProcTranslateCoords(ClientPtr client) |
1109 | { |
1110 | REQUEST(xTranslateCoordsReq)xTranslateCoordsReq *stuff = (xTranslateCoordsReq *)client-> requestBuffer; |
1111 | |
1112 | WindowPtr pWin, pDst; |
1113 | xTranslateCoordsReply rep; |
1114 | int rc; |
1115 | |
1116 | REQUEST_SIZE_MATCH(xTranslateCoordsReq)if ((sizeof(xTranslateCoordsReq) >> 2) != client->req_len ) return(16); |
1117 | rc = dixLookupWindow(&pWin, stuff->srcWid, client, DixGetAttrAccess(1<<4)); |
1118 | if (rc != Success0) |
1119 | return rc; |
1120 | rc = dixLookupWindow(&pDst, stuff->dstWid, client, DixGetAttrAccess(1<<4)); |
1121 | if (rc != Success0) |
1122 | return rc; |
1123 | |
1124 | rep = (xTranslateCoordsReply) { |
1125 | .type = X_Reply1, |
1126 | .sequenceNumber = client->sequence, |
1127 | .length = 0 |
1128 | }; |
1129 | if (!SAME_SCREENS(pWin->drawable, pDst->drawable)( (pWin->drawable.pScreen == pDst->drawable.pScreen))) { |
1130 | rep.sameScreen = xFalse0; |
1131 | rep.child = None0L; |
1132 | rep.dstX = rep.dstY = 0; |
1133 | } |
1134 | else { |
1135 | INT16 x, y; |
1136 | |
1137 | rep.sameScreen = xTrue1; |
1138 | rep.child = None0L; |
1139 | /* computing absolute coordinates -- adjust to destination later */ |
1140 | x = pWin->drawable.x + stuff->srcX; |
1141 | y = pWin->drawable.y + stuff->srcY; |
1142 | pWin = pDst->firstChild; |
1143 | while (pWin) { |
1144 | BoxRec box; |
1145 | |
1146 | if ((pWin->mapped) && |
1147 | (x >= pWin->drawable.x - wBorderWidth(pWin)((int) (pWin)->borderWidth)) && |
1148 | (x < pWin->drawable.x + (int) pWin->drawable.width + |
1149 | wBorderWidth(pWin)((int) (pWin)->borderWidth)) && |
1150 | (y >= pWin->drawable.y - wBorderWidth(pWin)((int) (pWin)->borderWidth)) && |
1151 | (y < pWin->drawable.y + (int) pWin->drawable.height + |
1152 | wBorderWidth(pWin)((int) (pWin)->borderWidth)) |
1153 | /* When a window is shaped, a further check |
1154 | * is made to see if the point is inside |
1155 | * borderSize |
1156 | */ |
1157 | && (!wBoundingShape(pWin)((pWin)->optional ? (pWin)->optional->boundingShape : ((void*)0)) || |
1158 | RegionContainsPoint(&pWin->borderSize, x, y, &box)) |
1159 | |
1160 | && (!wInputShape(pWin)((pWin)->optional ? (pWin)->optional->inputShape : ( (void*)0)) || |
1161 | RegionContainsPoint(wInputShape(pWin)((pWin)->optional ? (pWin)->optional->inputShape : ( (void*)0)), |
1162 | x - pWin->drawable.x, |
1163 | y - pWin->drawable.y, &box)) |
1164 | ) { |
1165 | rep.child = pWin->drawable.id; |
1166 | pWin = (WindowPtr) NULL((void*)0); |
1167 | } |
1168 | else |
1169 | pWin = pWin->nextSib; |
1170 | } |
1171 | /* adjust to destination coordinates */ |
1172 | rep.dstX = x - pDst->drawable.x; |
1173 | rep.dstY = y - pDst->drawable.y; |
1174 | } |
1175 | WriteReplyToClient(client, sizeof(xTranslateCoordsReply), &rep){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xTranslateCoordsReply )), &rep); else WriteToClient(client, (int)(sizeof(xTranslateCoordsReply )), (&rep)); }; |
1176 | return Success0; |
1177 | } |
1178 | |
1179 | int |
1180 | ProcOpenFont(ClientPtr client) |
1181 | { |
1182 | int err; |
1183 | |
1184 | REQUEST(xOpenFontReq)xOpenFontReq *stuff = (xOpenFontReq *)client->requestBuffer; |
1185 | |
1186 | REQUEST_FIXED_SIZE(xOpenFontReq, stuff->nbytes)if (((sizeof(xOpenFontReq) >> 2) > client->req_len ) || (((stuff->nbytes) >> 2) >= client->req_len ) || ((((uint64_t) sizeof(xOpenFontReq) + (stuff->nbytes) + 3) >> 2) != (uint64_t) client->req_len)) return(16); |
1187 | client->errorValue = stuff->fid; |
1188 | LEGAL_NEW_RESOURCE(stuff->fid, client)if (!LegalNewID(stuff->fid,client)) { client->errorValue = stuff->fid; return 14; }; |
1189 | err = OpenFont(client, stuff->fid, (Mask) 0, |
1190 | stuff->nbytes, (char *) &stuff[1]); |
1191 | if (err == Success0) { |
1192 | return Success0; |
1193 | } |
1194 | else |
1195 | return err; |
1196 | } |
1197 | |
1198 | int |
1199 | ProcCloseFont(ClientPtr client) |
1200 | { |
1201 | FontPtr pFont; |
1202 | int rc; |
1203 | |
1204 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
1205 | |
1206 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
1207 | rc = dixLookupResourceByType((void **) &pFont, stuff->id, RT_FONT((RESTYPE)4), |
1208 | client, DixDestroyAccess(1<<2)); |
1209 | if (rc == Success0) { |
1210 | FreeResource(stuff->id, RT_NONE((RESTYPE)0)); |
1211 | return Success0; |
1212 | } |
1213 | else { |
1214 | client->errorValue = stuff->id; |
1215 | return rc; |
1216 | } |
1217 | } |
1218 | |
1219 | int |
1220 | ProcQueryFont(ClientPtr client) |
1221 | { |
1222 | xQueryFontReply *reply; |
1223 | FontPtr pFont; |
1224 | int rc; |
1225 | |
1226 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
1227 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
1228 | |
1229 | rc = dixLookupFontable(&pFont, stuff->id, client, DixGetAttrAccess(1<<4)); |
1230 | if (rc != Success0) |
1231 | return rc; |
1232 | |
1233 | { |
1234 | xCharInfo *pmax = FONTINKMAX(pFont)(&((pFont)->info.ink_maxbounds)); |
1235 | xCharInfo *pmin = FONTINKMIN(pFont)(&((pFont)->info.ink_minbounds)); |
1236 | int nprotoxcistructs; |
1237 | int rlength; |
1238 | |
1239 | nprotoxcistructs = (pmax->rightSideBearing == pmin->rightSideBearing && |
1240 | pmax->leftSideBearing == pmin->leftSideBearing && |
1241 | pmax->descent == pmin->descent && |
1242 | pmax->ascent == pmin->ascent && |
1243 | pmax->characterWidth == pmin->characterWidth) ? |
1244 | 0 : N2dChars(pFont)(((pFont)->info.lastCol - (pFont)->info.firstCol + 1) * ((pFont)->info.lastRow - (pFont)->info.firstRow + 1)); |
1245 | |
1246 | rlength = sizeof(xQueryFontReply) + |
1247 | FONTINFONPROPS(FONTCHARSET(pFont))((pFont))->info.nprops * sizeof(xFontProp) + |
1248 | nprotoxcistructs * sizeof(xCharInfo); |
1249 | reply = calloc(1, rlength); |
1250 | if (!reply) { |
1251 | return BadAlloc11; |
1252 | } |
1253 | |
1254 | reply->type = X_Reply1; |
1255 | reply->length = bytes_to_int32(rlength - sizeof(xGenericReply)); |
1256 | reply->sequenceNumber = client->sequence; |
1257 | QueryFont(pFont, reply, nprotoxcistructs); |
1258 | |
1259 | WriteReplyToClient(client, rlength, reply){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(rlength), reply ); else WriteToClient(client, (int)(rlength), (reply)); }; |
1260 | free(reply); |
1261 | return Success0; |
1262 | } |
1263 | } |
1264 | |
1265 | int |
1266 | ProcQueryTextExtents(ClientPtr client) |
1267 | { |
1268 | xQueryTextExtentsReply reply; |
1269 | FontPtr pFont; |
1270 | ExtentInfoRec info; |
1271 | unsigned long length; |
1272 | int rc; |
1273 | |
1274 | REQUEST(xQueryTextExtentsReq)xQueryTextExtentsReq *stuff = (xQueryTextExtentsReq *)client-> requestBuffer; |
1275 | REQUEST_AT_LEAST_SIZE(xQueryTextExtentsReq)if ((sizeof(xQueryTextExtentsReq) >> 2) > client-> req_len ) return(16); |
1276 | |
1277 | rc = dixLookupFontable(&pFont, stuff->fid, client, DixGetAttrAccess(1<<4)); |
1278 | if (rc != Success0) |
1279 | return rc; |
1280 | |
1281 | length = client->req_len - bytes_to_int32(sizeof(xQueryTextExtentsReq)); |
1282 | length = length << 1; |
1283 | if (stuff->oddLength) { |
1284 | if (length == 0) |
1285 | return BadLength16; |
1286 | length--; |
1287 | } |
1288 | if (!QueryTextExtents(pFont, length, (unsigned char *) &stuff[1], &info)) |
1289 | return BadAlloc11; |
1290 | reply = (xQueryTextExtentsReply) { |
1291 | .type = X_Reply1, |
1292 | .drawDirection = info.drawDirection, |
1293 | .sequenceNumber = client->sequence, |
1294 | .length = 0, |
1295 | .fontAscent = info.fontAscent, |
1296 | .fontDescent = info.fontDescent, |
1297 | .overallAscent = info.overallAscent, |
1298 | .overallDescent = info.overallDescent, |
1299 | .overallWidth = info.overallWidth, |
1300 | .overallLeft = info.overallLeft, |
1301 | .overallRight = info.overallRight |
1302 | }; |
1303 | WriteReplyToClient(client, sizeof(xQueryTextExtentsReply), &reply){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xQueryTextExtentsReply )), &reply); else WriteToClient(client, (int)(sizeof(xQueryTextExtentsReply )), (&reply)); }; |
1304 | return Success0; |
1305 | } |
1306 | |
1307 | int |
1308 | ProcListFonts(ClientPtr client) |
1309 | { |
1310 | REQUEST(xListFontsReq)xListFontsReq *stuff = (xListFontsReq *)client->requestBuffer; |
1311 | |
1312 | REQUEST_FIXED_SIZE(xListFontsReq, stuff->nbytes)if (((sizeof(xListFontsReq) >> 2) > client->req_len ) || (((stuff->nbytes) >> 2) >= client->req_len ) || ((((uint64_t) sizeof(xListFontsReq) + (stuff->nbytes) + 3) >> 2) != (uint64_t) client->req_len)) return(16 ); |
1313 | |
1314 | return ListFonts(client, (unsigned char *) &stuff[1], stuff->nbytes, |
1315 | stuff->maxNames); |
1316 | } |
1317 | |
1318 | int |
1319 | ProcListFontsWithInfo(ClientPtr client) |
1320 | { |
1321 | REQUEST(xListFontsWithInfoReq)xListFontsWithInfoReq *stuff = (xListFontsWithInfoReq *)client ->requestBuffer; |
1322 | |
1323 | REQUEST_FIXED_SIZE(xListFontsWithInfoReq, stuff->nbytes)if (((sizeof(xListFontsWithInfoReq) >> 2) > client-> req_len) || (((stuff->nbytes) >> 2) >= client-> req_len) || ((((uint64_t) sizeof(xListFontsWithInfoReq) + (stuff ->nbytes) + 3) >> 2) != (uint64_t) client->req_len )) return(16); |
1324 | |
1325 | return StartListFontsWithInfo(client, stuff->nbytes, |
1326 | (unsigned char *) &stuff[1], stuff->maxNames); |
1327 | } |
1328 | |
1329 | /** |
1330 | * |
1331 | * \param value must conform to DeleteType |
1332 | */ |
1333 | int |
1334 | dixDestroyPixmap(void *value, XID pid) |
1335 | { |
1336 | PixmapPtr pPixmap = (PixmapPtr) value; |
1337 | |
1338 | return (*pPixmap->drawable.pScreen->DestroyPixmap) (pPixmap); |
1339 | } |
1340 | |
1341 | int |
1342 | ProcCreatePixmap(ClientPtr client) |
1343 | { |
1344 | PixmapPtr pMap; |
1345 | DrawablePtr pDraw; |
1346 | |
1347 | REQUEST(xCreatePixmapReq)xCreatePixmapReq *stuff = (xCreatePixmapReq *)client->requestBuffer; |
1348 | DepthPtr pDepth; |
1349 | int i, rc; |
1350 | |
1351 | REQUEST_SIZE_MATCH(xCreatePixmapReq)if ((sizeof(xCreatePixmapReq) >> 2) != client->req_len ) return(16); |
1352 | client->errorValue = stuff->pid; |
1353 | LEGAL_NEW_RESOURCE(stuff->pid, client)if (!LegalNewID(stuff->pid,client)) { client->errorValue = stuff->pid; return 14; }; |
1354 | |
1355 | rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY(-1), |
1356 | DixGetAttrAccess(1<<4)); |
1357 | if (rc != Success0) |
1358 | return rc; |
1359 | |
1360 | if (!stuff->width || !stuff->height) { |
1361 | client->errorValue = 0; |
1362 | return BadValue2; |
1363 | } |
1364 | if (stuff->width > 32767 || stuff->height > 32767) { |
1365 | /* It is allowed to try and allocate a pixmap which is larger than |
1366 | * 32767 in either dimension. However, all of the framebuffer code |
1367 | * is buggy and does not reliably draw to such big pixmaps, basically |
1368 | * because the Region data structure operates with signed shorts |
1369 | * for the rectangles in it. |
1370 | * |
1371 | * Furthermore, several places in the X server computes the |
1372 | * size in bytes of the pixmap and tries to store it in an |
1373 | * integer. This integer can overflow and cause the allocated size |
1374 | * to be much smaller. |
1375 | * |
1376 | * So, such big pixmaps are rejected here with a BadAlloc |
1377 | */ |
1378 | return BadAlloc11; |
1379 | } |
1380 | if (stuff->depth != 1) { |
1381 | pDepth = pDraw->pScreen->allowedDepths; |
1382 | for (i = 0; i < pDraw->pScreen->numDepths; i++, pDepth++) |
1383 | if (pDepth->depth == stuff->depth) |
1384 | goto CreatePmap; |
1385 | client->errorValue = stuff->depth; |
1386 | return BadValue2; |
1387 | } |
1388 | CreatePmap: |
1389 | pMap = (PixmapPtr) (*pDraw->pScreen->CreatePixmap) |
1390 | (pDraw->pScreen, stuff->width, stuff->height, stuff->depth, 0); |
1391 | if (pMap) { |
1392 | pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER((++globalSerialNumber) > (1L<<28) ? (globalSerialNumber = 1): globalSerialNumber); |
1393 | pMap->drawable.id = stuff->pid; |
1394 | /* security creation/labeling check */ |
1395 | rc = XaceHook(XACE_RESOURCE_ACCESS2, client, stuff->pid, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), |
1396 | pMap, RT_NONE((RESTYPE)0), NULL((void*)0), DixCreateAccess(1<<3)); |
1397 | if (rc != Success0) { |
1398 | (*pDraw->pScreen->DestroyPixmap) (pMap); |
1399 | return rc; |
1400 | } |
1401 | if (AddResourceDarwin_X_AddResource(stuff->pid, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), (void *) pMap)) |
1402 | return Success0; |
1403 | } |
1404 | return BadAlloc11; |
1405 | } |
1406 | |
1407 | int |
1408 | ProcFreePixmap(ClientPtr client) |
1409 | { |
1410 | PixmapPtr pMap; |
1411 | int rc; |
1412 | |
1413 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
1414 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
1415 | |
1416 | rc = dixLookupResourceByType((void **) &pMap, stuff->id, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), |
1417 | client, DixDestroyAccess(1<<2)); |
1418 | if (rc == Success0) { |
1419 | FreeResource(stuff->id, RT_NONE((RESTYPE)0)); |
1420 | return Success0; |
1421 | } |
1422 | else { |
1423 | client->errorValue = stuff->id; |
1424 | return rc; |
1425 | } |
1426 | } |
1427 | |
1428 | int |
1429 | ProcCreateGC(ClientPtr client) |
1430 | { |
1431 | int error, rc; |
1432 | GC *pGC; |
1433 | DrawablePtr pDraw; |
1434 | unsigned len; |
1435 | |
1436 | REQUEST(xCreateGCReq)xCreateGCReq *stuff = (xCreateGCReq *)client->requestBuffer; |
1437 | |
1438 | REQUEST_AT_LEAST_SIZE(xCreateGCReq)if ((sizeof(xCreateGCReq) >> 2) > client->req_len ) return(16); |
1439 | client->errorValue = stuff->gc; |
1440 | LEGAL_NEW_RESOURCE(stuff->gc, client)if (!LegalNewID(stuff->gc,client)) { client->errorValue = stuff->gc; return 14; }; |
1441 | rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, |
1442 | DixGetAttrAccess(1<<4)); |
1443 | if (rc != Success0) |
1444 | return rc; |
1445 | |
1446 | len = client->req_len - bytes_to_int32(sizeof(xCreateGCReq)); |
1447 | if (len != Ones(stuff->mask)) |
1448 | return BadLength16; |
1449 | pGC = (GC *) CreateGC(pDraw, stuff->mask, (XID *) &stuff[1], &error, |
1450 | stuff->gc, client); |
1451 | if (error != Success0) |
1452 | return error; |
1453 | if (!AddResourceDarwin_X_AddResource(stuff->gc, RT_GC((RESTYPE)3), (void *) pGC)) |
1454 | return BadAlloc11; |
1455 | return Success0; |
1456 | } |
1457 | |
1458 | int |
1459 | ProcChangeGC(ClientPtr client) |
1460 | { |
1461 | GC *pGC; |
1462 | int result; |
1463 | unsigned len; |
1464 | |
1465 | REQUEST(xChangeGCReq)xChangeGCReq *stuff = (xChangeGCReq *)client->requestBuffer; |
1466 | REQUEST_AT_LEAST_SIZE(xChangeGCReq)if ((sizeof(xChangeGCReq) >> 2) > client->req_len ) return(16); |
1467 | |
1468 | result = dixLookupGC(&pGC, stuff->gc, client, DixSetAttrAccess(1<<5)); |
1469 | if (result != Success0) |
1470 | return result; |
1471 | |
1472 | len = client->req_len - bytes_to_int32(sizeof(xChangeGCReq)); |
1473 | if (len != Ones(stuff->mask)) |
1474 | return BadLength16; |
1475 | |
1476 | return ChangeGCXIDs(client, pGC, stuff->mask, (CARD32 *) &stuff[1]); |
1477 | } |
1478 | |
1479 | int |
1480 | ProcCopyGC(ClientPtr client) |
1481 | { |
1482 | GC *dstGC; |
1483 | GC *pGC; |
1484 | int result; |
1485 | |
1486 | REQUEST(xCopyGCReq)xCopyGCReq *stuff = (xCopyGCReq *)client->requestBuffer; |
1487 | REQUEST_SIZE_MATCH(xCopyGCReq)if ((sizeof(xCopyGCReq) >> 2) != client->req_len) return (16); |
1488 | |
1489 | result = dixLookupGC(&pGC, stuff->srcGC, client, DixGetAttrAccess(1<<4)); |
1490 | if (result != Success0) |
1491 | return result; |
1492 | result = dixLookupGC(&dstGC, stuff->dstGC, client, DixSetAttrAccess(1<<5)); |
1493 | if (result != Success0) |
1494 | return result; |
1495 | if ((dstGC->pScreen != pGC->pScreen) || (dstGC->depth != pGC->depth)) |
1496 | return BadMatch8; |
1497 | if (stuff->mask & ~GCAllBits((1 << (22 + 1)) - 1)) { |
1498 | client->errorValue = stuff->mask; |
1499 | return BadValue2; |
1500 | } |
1501 | return CopyGC(pGC, dstGC, stuff->mask); |
1502 | } |
1503 | |
1504 | int |
1505 | ProcSetDashes(ClientPtr client) |
1506 | { |
1507 | GC *pGC; |
1508 | int result; |
1509 | |
1510 | REQUEST(xSetDashesReq)xSetDashesReq *stuff = (xSetDashesReq *)client->requestBuffer; |
1511 | |
1512 | REQUEST_FIXED_SIZE(xSetDashesReq, stuff->nDashes)if (((sizeof(xSetDashesReq) >> 2) > client->req_len ) || (((stuff->nDashes) >> 2) >= client->req_len ) || ((((uint64_t) sizeof(xSetDashesReq) + (stuff->nDashes ) + 3) >> 2) != (uint64_t) client->req_len)) return( 16); |
1513 | if (stuff->nDashes == 0) { |
1514 | client->errorValue = 0; |
1515 | return BadValue2; |
1516 | } |
1517 | |
1518 | result = dixLookupGC(&pGC, stuff->gc, client, DixSetAttrAccess(1<<5)); |
1519 | if (result != Success0) |
1520 | return result; |
1521 | |
1522 | /* If there's an error, either there's no sensible errorValue, |
1523 | * or there was a dash segment of 0. */ |
1524 | client->errorValue = 0; |
1525 | return SetDashes(pGC, stuff->dashOffset, stuff->nDashes, |
1526 | (unsigned char *) &stuff[1]); |
1527 | } |
1528 | |
1529 | int |
1530 | ProcSetClipRectangles(ClientPtr client) |
1531 | { |
1532 | int nr, result; |
1533 | GC *pGC; |
1534 | |
1535 | REQUEST(xSetClipRectanglesReq)xSetClipRectanglesReq *stuff = (xSetClipRectanglesReq *)client ->requestBuffer; |
1536 | |
1537 | REQUEST_AT_LEAST_SIZE(xSetClipRectanglesReq)if ((sizeof(xSetClipRectanglesReq) >> 2) > client-> req_len ) return(16); |
1538 | if ((stuff->ordering != Unsorted0) && (stuff->ordering != YSorted1) && |
1539 | (stuff->ordering != YXSorted2) && (stuff->ordering != YXBanded3)) { |
1540 | client->errorValue = stuff->ordering; |
1541 | return BadValue2; |
1542 | } |
1543 | result = dixLookupGC(&pGC, stuff->gc, client, DixSetAttrAccess(1<<5)); |
1544 | if (result != Success0) |
1545 | return result; |
1546 | |
1547 | nr = (client->req_len << 2) - sizeof(xSetClipRectanglesReq); |
1548 | if (nr & 4) |
1549 | return BadLength16; |
1550 | nr >>= 3; |
1551 | return SetClipRects(pGC, stuff->xOrigin, stuff->yOrigin, |
1552 | nr, (xRectangle *) &stuff[1], (int) stuff->ordering); |
1553 | } |
1554 | |
1555 | int |
1556 | ProcFreeGC(ClientPtr client) |
1557 | { |
1558 | GC *pGC; |
1559 | int rc; |
1560 | |
1561 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
1562 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
1563 | |
1564 | rc = dixLookupGC(&pGC, stuff->id, client, DixDestroyAccess(1<<2)); |
1565 | if (rc != Success0) |
1566 | return rc; |
1567 | |
1568 | FreeResource(stuff->id, RT_NONE((RESTYPE)0)); |
1569 | return Success0; |
1570 | } |
1571 | |
1572 | int |
1573 | ProcClearToBackground(ClientPtr client) |
1574 | { |
1575 | REQUEST(xClearAreaReq)xClearAreaReq *stuff = (xClearAreaReq *)client->requestBuffer; |
1576 | WindowPtr pWin; |
1577 | int rc; |
1578 | |
1579 | REQUEST_SIZE_MATCH(xClearAreaReq)if ((sizeof(xClearAreaReq) >> 2) != client->req_len) return(16); |
1580 | rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess(1<<1)); |
1581 | if (rc != Success0) |
1582 | return rc; |
1583 | if (pWin->drawable.class == InputOnly2) { |
1584 | client->errorValue = stuff->window; |
1585 | return BadMatch8; |
1586 | } |
1587 | if ((stuff->exposures != xTrue1) && (stuff->exposures != xFalse0)) { |
1588 | client->errorValue = stuff->exposures; |
1589 | return BadValue2; |
1590 | } |
1591 | (*pWin->drawable.pScreen->ClearToBackground) (pWin, stuff->x, stuff->y, |
1592 | stuff->width, stuff->height, |
1593 | (Bool) stuff->exposures); |
1594 | return Success0; |
1595 | } |
1596 | |
1597 | /* send GraphicsExpose events, or a NoExpose event, based on the region */ |
1598 | void |
1599 | SendGraphicsExpose(ClientPtr client, RegionPtr pRgn, XID drawable, |
1600 | int major, int minor) |
1601 | { |
1602 | if (pRgn && !RegionNil(pRgn)) { |
1603 | xEvent *pEvent; |
1604 | xEvent *pe; |
1605 | BoxPtr pBox; |
1606 | int i; |
1607 | int numRects; |
1608 | |
1609 | numRects = RegionNumRects(pRgn); |
1610 | pBox = RegionRects(pRgn); |
1611 | if (!(pEvent = calloc(numRects, sizeof(xEvent)))) |
1612 | return; |
1613 | pe = pEvent; |
1614 | |
1615 | for (i = 1; i <= numRects; i++, pe++, pBox++) { |
1616 | pe->u.u.type = GraphicsExpose13; |
1617 | pe->u.graphicsExposure.drawable = drawable; |
1618 | pe->u.graphicsExposure.x = pBox->x1; |
1619 | pe->u.graphicsExposure.y = pBox->y1; |
1620 | pe->u.graphicsExposure.width = pBox->x2 - pBox->x1; |
1621 | pe->u.graphicsExposure.height = pBox->y2 - pBox->y1; |
1622 | pe->u.graphicsExposure.count = numRects - i; |
1623 | pe->u.graphicsExposure.majorEvent = major; |
1624 | pe->u.graphicsExposure.minorEvent = minor; |
1625 | } |
1626 | /* GraphicsExpose is a "critical event", which TryClientEvents |
1627 | * handles specially. */ |
1628 | TryClientEvents(client, NULL((void*)0), pEvent, numRects, |
1629 | (Mask) 0, NoEventMask0L, NullGrab((GrabPtr)((void*)0))); |
1630 | free(pEvent); |
1631 | } |
1632 | else { |
1633 | xEvent event = { |
1634 | .u.noExposure.drawable = drawable, |
1635 | .u.noExposure.majorEvent = major, |
1636 | .u.noExposure.minorEvent = minor |
1637 | }; |
1638 | event.u.u.type = NoExpose14; |
1639 | WriteEventsToClient(client, 1, &event); |
1640 | } |
1641 | } |
1642 | |
1643 | int |
1644 | ProcCopyArea(ClientPtr client) |
1645 | { |
1646 | DrawablePtr pDst; |
1647 | DrawablePtr pSrc; |
1648 | GC *pGC; |
1649 | |
1650 | REQUEST(xCopyAreaReq)xCopyAreaReq *stuff = (xCopyAreaReq *)client->requestBuffer; |
1651 | RegionPtr pRgn; |
1652 | int rc; |
1653 | |
1654 | REQUEST_SIZE_MATCH(xCopyAreaReq)if ((sizeof(xCopyAreaReq) >> 2) != client->req_len) return (16); |
1655 | |
1656 | VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDst), stuff->dstDrawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDst-> depth) || (pGC->pScreen != pDst->pScreen)) return 8; } if (pGC->serialNumber != pDst->serialNumber) ValidateGC(pDst , pGC);; |
1657 | if (stuff->dstDrawable != stuff->srcDrawable) { |
1658 | rc = dixLookupDrawable(&pSrc, stuff->srcDrawable, client, 0, |
1659 | DixReadAccess(1<<0)); |
1660 | if (rc != Success0) |
1661 | return rc; |
1662 | if ((pDst->pScreen != pSrc->pScreen) || (pDst->depth != pSrc->depth)) { |
1663 | client->errorValue = stuff->dstDrawable; |
1664 | return BadMatch8; |
1665 | } |
1666 | } |
1667 | else |
1668 | pSrc = pDst; |
1669 | |
1670 | pRgn = (*pGC->ops->CopyArea) (pSrc, pDst, pGC, stuff->srcX, stuff->srcY, |
1671 | stuff->width, stuff->height, |
1672 | stuff->dstX, stuff->dstY); |
1673 | if (pGC->graphicsExposures) { |
1674 | SendGraphicsExpose(client, pRgn, stuff->dstDrawable, X_CopyArea62, 0); |
1675 | if (pRgn) |
1676 | RegionDestroy(pRgn); |
1677 | } |
1678 | |
1679 | return Success0; |
1680 | } |
1681 | |
1682 | int |
1683 | ProcCopyPlane(ClientPtr client) |
1684 | { |
1685 | DrawablePtr psrcDraw, pdstDraw; |
1686 | GC *pGC; |
1687 | |
1688 | REQUEST(xCopyPlaneReq)xCopyPlaneReq *stuff = (xCopyPlaneReq *)client->requestBuffer; |
1689 | RegionPtr pRgn; |
1690 | int rc; |
1691 | |
1692 | REQUEST_SIZE_MATCH(xCopyPlaneReq)if ((sizeof(xCopyPlaneReq) >> 2) != client->req_len) return(16); |
1693 | |
1694 | VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pdstDraw), stuff->dstDrawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pdstDraw ->depth) || (pGC->pScreen != pdstDraw->pScreen)) return 8; } if (pGC->serialNumber != pdstDraw->serialNumber) ValidateGC (pdstDraw, pGC);; |
1695 | if (stuff->dstDrawable != stuff->srcDrawable) { |
1696 | rc = dixLookupDrawable(&psrcDraw, stuff->srcDrawable, client, 0, |
1697 | DixReadAccess(1<<0)); |
1698 | if (rc != Success0) |
1699 | return rc; |
1700 | |
1701 | if (pdstDraw->pScreen != psrcDraw->pScreen) { |
1702 | client->errorValue = stuff->dstDrawable; |
1703 | return BadMatch8; |
1704 | } |
1705 | } |
1706 | else |
1707 | psrcDraw = pdstDraw; |
1708 | |
1709 | /* Check to see if stuff->bitPlane has exactly ONE good bit set */ |
1710 | if (stuff->bitPlane == 0 || (stuff->bitPlane & (stuff->bitPlane - 1)) || |
1711 | (stuff->bitPlane > (1L << (psrcDraw->depth - 1)))) { |
1712 | client->errorValue = stuff->bitPlane; |
1713 | return BadValue2; |
1714 | } |
1715 | |
1716 | pRgn = |
1717 | (*pGC->ops->CopyPlane) (psrcDraw, pdstDraw, pGC, stuff->srcX, |
1718 | stuff->srcY, stuff->width, stuff->height, |
1719 | stuff->dstX, stuff->dstY, stuff->bitPlane); |
1720 | if (pGC->graphicsExposures) { |
1721 | SendGraphicsExpose(client, pRgn, stuff->dstDrawable, X_CopyPlane63, 0); |
1722 | if (pRgn) |
1723 | RegionDestroy(pRgn); |
1724 | } |
1725 | return Success0; |
1726 | } |
1727 | |
1728 | int |
1729 | ProcPolyPoint(ClientPtr client) |
1730 | { |
1731 | int npoint; |
1732 | GC *pGC; |
1733 | DrawablePtr pDraw; |
1734 | |
1735 | REQUEST(xPolyPointReq)xPolyPointReq *stuff = (xPolyPointReq *)client->requestBuffer; |
1736 | |
1737 | REQUEST_AT_LEAST_SIZE(xPolyPointReq)if ((sizeof(xPolyPointReq) >> 2) > client->req_len ) return(16); |
1738 | if ((stuff->coordMode != CoordModeOrigin0) && |
1739 | (stuff->coordMode != CoordModePrevious1)) { |
1740 | client->errorValue = stuff->coordMode; |
1741 | return BadValue2; |
1742 | } |
1743 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
1744 | npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyPointReq)); |
1745 | if (npoint) |
1746 | (*pGC->ops->PolyPoint) (pDraw, pGC, stuff->coordMode, npoint, |
1747 | (xPoint *) &stuff[1]); |
1748 | return Success0; |
1749 | } |
1750 | |
1751 | int |
1752 | ProcPolyLine(ClientPtr client) |
1753 | { |
1754 | int npoint; |
1755 | GC *pGC; |
1756 | DrawablePtr pDraw; |
1757 | |
1758 | REQUEST(xPolyLineReq)xPolyLineReq *stuff = (xPolyLineReq *)client->requestBuffer; |
1759 | |
1760 | REQUEST_AT_LEAST_SIZE(xPolyLineReq)if ((sizeof(xPolyLineReq) >> 2) > client->req_len ) return(16); |
1761 | if ((stuff->coordMode != CoordModeOrigin0) && |
1762 | (stuff->coordMode != CoordModePrevious1)) { |
1763 | client->errorValue = stuff->coordMode; |
1764 | return BadValue2; |
1765 | } |
1766 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
1767 | npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyLineReq)); |
1768 | if (npoint > 1) |
1769 | (*pGC->ops->Polylines) (pDraw, pGC, stuff->coordMode, npoint, |
1770 | (DDXPointPtr) &stuff[1]); |
1771 | return Success0; |
1772 | } |
1773 | |
1774 | int |
1775 | ProcPolySegment(ClientPtr client) |
1776 | { |
1777 | int nsegs; |
1778 | GC *pGC; |
1779 | DrawablePtr pDraw; |
1780 | |
1781 | REQUEST(xPolySegmentReq)xPolySegmentReq *stuff = (xPolySegmentReq *)client->requestBuffer; |
1782 | |
1783 | REQUEST_AT_LEAST_SIZE(xPolySegmentReq)if ((sizeof(xPolySegmentReq) >> 2) > client->req_len ) return(16); |
1784 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
1785 | nsegs = (client->req_len << 2) - sizeof(xPolySegmentReq); |
1786 | if (nsegs & 4) |
1787 | return BadLength16; |
1788 | nsegs >>= 3; |
1789 | if (nsegs) |
1790 | (*pGC->ops->PolySegment) (pDraw, pGC, nsegs, (xSegment *) &stuff[1]); |
1791 | return Success0; |
1792 | } |
1793 | |
1794 | int |
1795 | ProcPolyRectangle(ClientPtr client) |
1796 | { |
1797 | int nrects; |
1798 | GC *pGC; |
1799 | DrawablePtr pDraw; |
1800 | |
1801 | REQUEST(xPolyRectangleReq)xPolyRectangleReq *stuff = (xPolyRectangleReq *)client->requestBuffer; |
1802 | |
1803 | REQUEST_AT_LEAST_SIZE(xPolyRectangleReq)if ((sizeof(xPolyRectangleReq) >> 2) > client->req_len ) return(16); |
1804 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
1805 | nrects = (client->req_len << 2) - sizeof(xPolyRectangleReq); |
1806 | if (nrects & 4) |
1807 | return BadLength16; |
1808 | nrects >>= 3; |
1809 | if (nrects) |
1810 | (*pGC->ops->PolyRectangle) (pDraw, pGC, |
1811 | nrects, (xRectangle *) &stuff[1]); |
1812 | return Success0; |
1813 | } |
1814 | |
1815 | int |
1816 | ProcPolyArc(ClientPtr client) |
1817 | { |
1818 | int narcs; |
1819 | GC *pGC; |
1820 | DrawablePtr pDraw; |
1821 | |
1822 | REQUEST(xPolyArcReq)xPolyArcReq *stuff = (xPolyArcReq *)client->requestBuffer; |
1823 | |
1824 | REQUEST_AT_LEAST_SIZE(xPolyArcReq)if ((sizeof(xPolyArcReq) >> 2) > client->req_len ) return(16); |
1825 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
1826 | narcs = (client->req_len << 2) - sizeof(xPolyArcReq); |
1827 | if (narcs % sizeof(xArc)) |
1828 | return BadLength16; |
1829 | narcs /= sizeof(xArc); |
1830 | if (narcs) |
1831 | (*pGC->ops->PolyArc) (pDraw, pGC, narcs, (xArc *) &stuff[1]); |
1832 | return Success0; |
1833 | } |
1834 | |
1835 | int |
1836 | ProcFillPoly(ClientPtr client) |
1837 | { |
1838 | int things; |
1839 | GC *pGC; |
1840 | DrawablePtr pDraw; |
1841 | |
1842 | REQUEST(xFillPolyReq)xFillPolyReq *stuff = (xFillPolyReq *)client->requestBuffer; |
1843 | |
1844 | REQUEST_AT_LEAST_SIZE(xFillPolyReq)if ((sizeof(xFillPolyReq) >> 2) > client->req_len ) return(16); |
1845 | if ((stuff->shape != Complex0) && (stuff->shape != Nonconvex1) && |
1846 | (stuff->shape != Convex2)) { |
1847 | client->errorValue = stuff->shape; |
1848 | return BadValue2; |
1849 | } |
1850 | if ((stuff->coordMode != CoordModeOrigin0) && |
1851 | (stuff->coordMode != CoordModePrevious1)) { |
1852 | client->errorValue = stuff->coordMode; |
1853 | return BadValue2; |
1854 | } |
1855 | |
1856 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
1857 | things = bytes_to_int32((client->req_len << 2) - sizeof(xFillPolyReq)); |
1858 | if (things) |
1859 | (*pGC->ops->FillPolygon) (pDraw, pGC, stuff->shape, |
1860 | stuff->coordMode, things, |
1861 | (DDXPointPtr) &stuff[1]); |
1862 | return Success0; |
1863 | } |
1864 | |
1865 | int |
1866 | ProcPolyFillRectangle(ClientPtr client) |
1867 | { |
1868 | int things; |
1869 | GC *pGC; |
1870 | DrawablePtr pDraw; |
1871 | |
1872 | REQUEST(xPolyFillRectangleReq)xPolyFillRectangleReq *stuff = (xPolyFillRectangleReq *)client ->requestBuffer; |
1873 | |
1874 | REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq)if ((sizeof(xPolyFillRectangleReq) >> 2) > client-> req_len ) return(16); |
1875 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
1876 | things = (client->req_len << 2) - sizeof(xPolyFillRectangleReq); |
1877 | if (things & 4) |
1878 | return BadLength16; |
1879 | things >>= 3; |
1880 | |
1881 | if (things) |
1882 | (*pGC->ops->PolyFillRect) (pDraw, pGC, things, |
1883 | (xRectangle *) &stuff[1]); |
1884 | return Success0; |
1885 | } |
1886 | |
1887 | int |
1888 | ProcPolyFillArc(ClientPtr client) |
1889 | { |
1890 | int narcs; |
1891 | GC *pGC; |
1892 | DrawablePtr pDraw; |
1893 | |
1894 | REQUEST(xPolyFillArcReq)xPolyFillArcReq *stuff = (xPolyFillArcReq *)client->requestBuffer; |
1895 | |
1896 | REQUEST_AT_LEAST_SIZE(xPolyFillArcReq)if ((sizeof(xPolyFillArcReq) >> 2) > client->req_len ) return(16); |
1897 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
1898 | narcs = (client->req_len << 2) - sizeof(xPolyFillArcReq); |
1899 | if (narcs % sizeof(xArc)) |
1900 | return BadLength16; |
1901 | narcs /= sizeof(xArc); |
1902 | if (narcs) |
1903 | (*pGC->ops->PolyFillArc) (pDraw, pGC, narcs, (xArc *) &stuff[1]); |
1904 | return Success0; |
1905 | } |
1906 | |
1907 | #ifdef MATCH_CLIENT_ENDIAN |
1908 | |
1909 | int |
1910 | ServerOrder(void) |
1911 | { |
1912 | int whichbyte = 1; |
1913 | |
1914 | if (*((char *) &whichbyte)) |
1915 | return LSBFirst0; |
1916 | return MSBFirst1; |
1917 | } |
1918 | |
1919 | #define ClientOrder(client) ((client)->swapped ? !ServerOrder() : ServerOrder()) |
1920 | |
1921 | void |
1922 | ReformatImage(char *base, int nbytes, int bpp, int order) |
1923 | { |
1924 | switch (bpp) { |
1925 | case 1: /* yuck */ |
1926 | if (BITMAP_BIT_ORDER0 != order) |
1927 | BitOrderInvert((unsigned char *) base, nbytes); |
1928 | #if IMAGE_BYTE_ORDER0 != BITMAP_BIT_ORDER0 && BITMAP_SCANLINE_UNIT32 != 8 |
1929 | ReformatImage(base, nbytes, BITMAP_SCANLINE_UNIT, order); |
1930 | #endif |
1931 | break; |
1932 | case 4: |
1933 | break; /* yuck */ |
1934 | case 8: |
1935 | break; |
1936 | case 16: |
1937 | if (IMAGE_BYTE_ORDER0 != order) |
1938 | TwoByteSwap((unsigned char *) base, nbytes); |
1939 | break; |
1940 | case 32: |
1941 | if (IMAGE_BYTE_ORDER0 != order) |
1942 | FourByteSwap((unsigned char *) base, nbytes); |
1943 | break; |
1944 | } |
1945 | } |
1946 | #else |
1947 | #define ReformatImage(b,n,bpp,o) |
1948 | #endif |
1949 | |
1950 | /* 64-bit server notes: the protocol restricts padding of images to |
1951 | * 8-, 16-, or 32-bits. We would like to have 64-bits for the server |
1952 | * to use internally. Removes need for internal alignment checking. |
1953 | * All of the PutImage functions could be changed individually, but |
1954 | * as currently written, they call other routines which require things |
1955 | * to be 64-bit padded on scanlines, so we changed things here. |
1956 | * If an image would be padded differently for 64- versus 32-, then |
1957 | * copy each scanline to a 64-bit padded scanline. |
1958 | * Also, we need to make sure that the image is aligned on a 64-bit |
1959 | * boundary, even if the scanlines are padded to our satisfaction. |
1960 | */ |
1961 | int |
1962 | ProcPutImage(ClientPtr client) |
1963 | { |
1964 | GC *pGC; |
1965 | DrawablePtr pDraw; |
1966 | long length; /* length of scanline server padded */ |
1967 | long lengthProto; /* length of scanline protocol padded */ |
1968 | char *tmpImage; |
1969 | |
1970 | REQUEST(xPutImageReq)xPutImageReq *stuff = (xPutImageReq *)client->requestBuffer; |
1971 | |
1972 | REQUEST_AT_LEAST_SIZE(xPutImageReq)if ((sizeof(xPutImageReq) >> 2) > client->req_len ) return(16); |
1973 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
1974 | if (stuff->format == XYBitmap0) { |
1975 | if ((stuff->depth != 1) || |
1976 | (stuff->leftPad >= (unsigned int) screenInfo.bitmapScanlinePad)) |
1977 | return BadMatch8; |
1978 | length = BitmapBytePad(stuff->width + stuff->leftPad)(((int)((stuff->width + stuff->leftPad) + 32 - 1) >> 5) << 2); |
1979 | } |
1980 | else if (stuff->format == XYPixmap1) { |
1981 | if ((pDraw->depth != stuff->depth) || |
1982 | (stuff->leftPad >= (unsigned int) screenInfo.bitmapScanlinePad)) |
1983 | return BadMatch8; |
1984 | length = BitmapBytePad(stuff->width + stuff->leftPad)(((int)((stuff->width + stuff->leftPad) + 32 - 1) >> 5) << 2); |
1985 | length *= stuff->depth; |
1986 | } |
1987 | else if (stuff->format == ZPixmap2) { |
1988 | if ((pDraw->depth != stuff->depth) || (stuff->leftPad != 0)) |
1989 | return BadMatch8; |
1990 | length = PixmapBytePad(stuff->width, stuff->depth)((PixmapWidthPaddingInfo[stuff->depth].notPower2 ? (((int) (stuff->width) * PixmapWidthPaddingInfo[stuff->depth].bytesPerPixel + PixmapWidthPaddingInfo[stuff->depth].bytesPerPixel) >> PixmapWidthPaddingInfo[stuff->depth].padBytesLog2) : ((int )((stuff->width) + PixmapWidthPaddingInfo[stuff->depth] .padRoundUp) >> PixmapWidthPaddingInfo[stuff->depth] .padPixelsLog2)) << PixmapWidthPaddingInfo[stuff->depth ].padBytesLog2); |
1991 | } |
1992 | else { |
1993 | client->errorValue = stuff->format; |
1994 | return BadValue2; |
1995 | } |
1996 | |
1997 | tmpImage = (char *) &stuff[1]; |
1998 | lengthProto = length; |
1999 | |
2000 | if (stuff->height != 0 && lengthProto >= (INT32_MAX2147483647 / stuff->height)) |
2001 | return BadLength16; |
2002 | |
2003 | if ((bytes_to_int32(lengthProto * stuff->height) + |
2004 | bytes_to_int32(sizeof(xPutImageReq))) != client->req_len) |
2005 | return BadLength16; |
2006 | |
2007 | ReformatImage(tmpImage, lengthProto * stuff->height, |
2008 | stuff->format == ZPixmap ? BitsPerPixel(stuff->depth) : 1, |
2009 | ClientOrder(client)); |
2010 | |
2011 | (*pGC->ops->PutImage) (pDraw, pGC, stuff->depth, stuff->dstX, stuff->dstY, |
2012 | stuff->width, stuff->height, |
2013 | stuff->leftPad, stuff->format, tmpImage); |
2014 | |
2015 | return Success0; |
2016 | } |
2017 | |
2018 | static int |
2019 | DoGetImage(ClientPtr client, int format, Drawable drawable, |
2020 | int x, int y, int width, int height, |
2021 | Mask planemask) |
2022 | { |
2023 | DrawablePtr pDraw, pBoundingDraw; |
2024 | int nlines, linesPerBuf, rc; |
2025 | int linesDone; |
2026 | |
2027 | /* coordinates relative to the bounding drawable */ |
2028 | int relx, rely; |
2029 | long widthBytesLine, length; |
2030 | Mask plane = 0; |
2031 | char *pBuf; |
2032 | xGetImageReply xgi; |
2033 | RegionPtr pVisibleRegion = NULL((void*)0); |
2034 | |
2035 | if ((format != XYPixmap1) && (format != ZPixmap2)) { |
2036 | client->errorValue = format; |
2037 | return BadValue2; |
2038 | } |
2039 | rc = dixLookupDrawable(&pDraw, drawable, client, 0, DixReadAccess(1<<0)); |
2040 | if (rc != Success0) |
2041 | return rc; |
2042 | |
2043 | memset(&xgi, 0, sizeof(xGetImageReply))__builtin___memset_chk (&xgi, 0, sizeof(xGetImageReply), __builtin_object_size (&xgi, 0)); |
2044 | |
2045 | relx = x; |
2046 | rely = y; |
2047 | |
2048 | if (pDraw->type == DRAWABLE_WINDOW0) { |
2049 | WindowPtr pWin = (WindowPtr) pDraw; |
2050 | |
2051 | /* "If the drawable is a window, the window must be viewable ... or a |
2052 | * BadMatch error results" */ |
2053 | if (!pWin->viewable) |
2054 | return BadMatch8; |
2055 | |
2056 | /* If the drawable is a window, the rectangle must be contained within |
2057 | * its bounds (including the border). */ |
2058 | if (x < -wBorderWidth(pWin)((int) (pWin)->borderWidth) || |
2059 | x + width > wBorderWidth(pWin)((int) (pWin)->borderWidth) + (int) pDraw->width || |
2060 | y < -wBorderWidth(pWin)((int) (pWin)->borderWidth) || |
2061 | y + height > wBorderWidth(pWin)((int) (pWin)->borderWidth) + (int) pDraw->height) |
2062 | return BadMatch8; |
2063 | |
2064 | relx += pDraw->x; |
2065 | rely += pDraw->y; |
2066 | |
2067 | if (pDraw->pScreen->GetWindowPixmap) { |
2068 | PixmapPtr pPix = (*pDraw->pScreen->GetWindowPixmap) (pWin); |
2069 | |
2070 | pBoundingDraw = &pPix->drawable; |
2071 | #ifdef COMPOSITE1 |
2072 | relx -= pPix->screen_x; |
2073 | rely -= pPix->screen_y; |
2074 | #endif |
2075 | } |
2076 | else { |
2077 | pBoundingDraw = (DrawablePtr) pDraw->pScreen->root; |
2078 | } |
2079 | |
2080 | xgi.visual = wVisual(pWin)((pWin)->optional ? (pWin)->optional->visual : FindWindowWithOptional (pWin)->optional->visual); |
2081 | } |
2082 | else { |
2083 | pBoundingDraw = pDraw; |
2084 | xgi.visual = None0L; |
2085 | } |
2086 | |
2087 | /* "If the drawable is a pixmap, the given rectangle must be wholly |
2088 | * contained within the pixmap, or a BadMatch error results. If the |
2089 | * drawable is a window [...] it must be the case that if there were no |
2090 | * inferiors or overlapping windows, the specified rectangle of the window |
2091 | * would be fully visible on the screen and wholly contained within the |
2092 | * outside edges of the window, or a BadMatch error results." |
2093 | * |
2094 | * We relax the window case slightly to mean that the rectangle must exist |
2095 | * within the bounds of the window's backing pixmap. In particular, this |
2096 | * means that a GetImage request may succeed or fail with BadMatch depending |
2097 | * on whether any of its ancestor windows are redirected. */ |
2098 | if (relx < 0 || relx + width > (int) pBoundingDraw->width || |
2099 | rely < 0 || rely + height > (int) pBoundingDraw->height) |
2100 | return BadMatch8; |
2101 | |
2102 | xgi.type = X_Reply1; |
2103 | xgi.sequenceNumber = client->sequence; |
2104 | xgi.depth = pDraw->depth; |
2105 | if (format == ZPixmap2) { |
2106 | widthBytesLine = PixmapBytePad(width, pDraw->depth)((PixmapWidthPaddingInfo[pDraw->depth].notPower2 ? (((int) (width) * PixmapWidthPaddingInfo[pDraw->depth].bytesPerPixel + PixmapWidthPaddingInfo[pDraw->depth].bytesPerPixel) >> PixmapWidthPaddingInfo[pDraw->depth].padBytesLog2) : ((int )((width) + PixmapWidthPaddingInfo[pDraw->depth].padRoundUp ) >> PixmapWidthPaddingInfo[pDraw->depth].padPixelsLog2 )) << PixmapWidthPaddingInfo[pDraw->depth].padBytesLog2 ); |
2107 | length = widthBytesLine * height; |
2108 | |
2109 | } |
2110 | else { |
2111 | widthBytesLine = BitmapBytePad(width)(((int)((width) + 32 - 1) >> 5) << 2); |
2112 | plane = ((Mask) 1) << (pDraw->depth - 1); |
2113 | /* only planes asked for */ |
2114 | length = widthBytesLine * height * |
2115 | Ones(planemask & (plane | (plane - 1))); |
2116 | |
2117 | } |
2118 | |
2119 | xgi.length = length; |
2120 | |
2121 | xgi.length = bytes_to_int32(xgi.length); |
2122 | if (widthBytesLine == 0 || height == 0) |
2123 | linesPerBuf = 0; |
2124 | else if (widthBytesLine >= IMAGE_BUFSIZE(64*1024)) |
2125 | linesPerBuf = 1; |
2126 | else { |
2127 | linesPerBuf = IMAGE_BUFSIZE(64*1024) / widthBytesLine; |
2128 | if (linesPerBuf > height) |
2129 | linesPerBuf = height; |
2130 | } |
2131 | length = linesPerBuf * widthBytesLine; |
2132 | if (linesPerBuf < height) { |
2133 | /* we have to make sure intermediate buffers don't need padding */ |
2134 | while ((linesPerBuf > 1) && |
2135 | (length & ((1L << LOG2_BYTES_PER_SCANLINE_PAD2) - 1))) { |
2136 | linesPerBuf--; |
2137 | length -= widthBytesLine; |
2138 | } |
2139 | while (length & ((1L << LOG2_BYTES_PER_SCANLINE_PAD2) - 1)) { |
2140 | linesPerBuf++; |
2141 | length += widthBytesLine; |
2142 | } |
2143 | } |
2144 | if (!(pBuf = calloc(1, length))) |
2145 | return BadAlloc11; |
2146 | WriteReplyToClient(client, sizeof(xGetImageReply), &xgi){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xGetImageReply )), &xgi); else WriteToClient(client, (int)(sizeof(xGetImageReply )), (&xgi)); }; |
2147 | |
2148 | if (pDraw->type == DRAWABLE_WINDOW0) { |
2149 | pVisibleRegion = NotClippedByChildren((WindowPtr) pDraw); |
2150 | if (pVisibleRegion) { |
2151 | RegionTranslate(pVisibleRegion, -pDraw->x, -pDraw->y); |
2152 | } |
2153 | } |
2154 | |
2155 | if (linesPerBuf == 0) { |
2156 | /* nothing to do */ |
2157 | } |
2158 | else if (format == ZPixmap2) { |
2159 | linesDone = 0; |
2160 | while (height - linesDone > 0) { |
2161 | nlines = min(linesPerBuf, height - linesDone)(((linesPerBuf) < (height - linesDone)) ? (linesPerBuf) : ( height - linesDone)); |
2162 | (*pDraw->pScreen->GetImage) (pDraw, |
2163 | x, |
2164 | y + linesDone, |
2165 | width, |
2166 | nlines, |
2167 | format, planemask, (void *) pBuf); |
2168 | if (pVisibleRegion) |
2169 | XaceCensorImage(client, pVisibleRegion, widthBytesLine, |
2170 | pDraw, x, y + linesDone, width, |
2171 | nlines, format, pBuf); |
2172 | |
2173 | /* Note that this is NOT a call to WriteSwappedDataToClient, |
2174 | as we do NOT byte swap */ |
2175 | ReformatImage(pBuf, (int) (nlines * widthBytesLine), |
2176 | BitsPerPixel(pDraw->depth), ClientOrder(client)); |
2177 | |
2178 | WriteToClient(client, (int) (nlines * widthBytesLine), pBuf); |
2179 | linesDone += nlines; |
2180 | } |
2181 | } |
2182 | else { /* XYPixmap */ |
2183 | |
2184 | for (; plane; plane >>= 1) { |
2185 | if (planemask & plane) { |
2186 | linesDone = 0; |
2187 | while (height - linesDone > 0) { |
2188 | nlines = min(linesPerBuf, height - linesDone)(((linesPerBuf) < (height - linesDone)) ? (linesPerBuf) : ( height - linesDone)); |
2189 | (*pDraw->pScreen->GetImage) (pDraw, |
2190 | x, |
2191 | y + linesDone, |
2192 | width, |
2193 | nlines, |
2194 | format, plane, (void *) pBuf); |
2195 | if (pVisibleRegion) |
2196 | XaceCensorImage(client, pVisibleRegion, |
2197 | widthBytesLine, |
2198 | pDraw, x, y + linesDone, width, |
2199 | nlines, format, pBuf); |
2200 | |
2201 | /* Note: NOT a call to WriteSwappedDataToClient, |
2202 | as we do NOT byte swap */ |
2203 | ReformatImage(pBuf, (int) (nlines * widthBytesLine), |
2204 | 1, ClientOrder(client)); |
2205 | |
2206 | WriteToClient(client, (int)(nlines * widthBytesLine), pBuf); |
2207 | linesDone += nlines; |
2208 | } |
2209 | } |
2210 | } |
2211 | } |
2212 | if (pVisibleRegion) |
2213 | RegionDestroy(pVisibleRegion); |
2214 | free(pBuf); |
2215 | return Success0; |
2216 | } |
2217 | |
2218 | int |
2219 | ProcGetImage(ClientPtr client) |
2220 | { |
2221 | REQUEST(xGetImageReq)xGetImageReq *stuff = (xGetImageReq *)client->requestBuffer; |
2222 | |
2223 | REQUEST_SIZE_MATCH(xGetImageReq)if ((sizeof(xGetImageReq) >> 2) != client->req_len) return (16); |
2224 | |
2225 | return DoGetImage(client, stuff->format, stuff->drawable, |
2226 | stuff->x, stuff->y, |
2227 | (int) stuff->width, (int) stuff->height, |
2228 | stuff->planeMask); |
2229 | } |
2230 | |
2231 | int |
2232 | ProcPolyText(ClientPtr client) |
2233 | { |
2234 | int err; |
2235 | |
2236 | REQUEST(xPolyTextReq)xPolyTextReq *stuff = (xPolyTextReq *)client->requestBuffer; |
2237 | DrawablePtr pDraw; |
2238 | GC *pGC; |
2239 | |
2240 | REQUEST_AT_LEAST_SIZE(xPolyTextReq)if ((sizeof(xPolyTextReq) >> 2) > client->req_len ) return(16); |
2241 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
2242 | |
2243 | err = PolyText(client, |
2244 | pDraw, |
2245 | pGC, |
2246 | (unsigned char *) &stuff[1], |
2247 | ((unsigned char *) stuff) + (client->req_len << 2), |
2248 | stuff->x, stuff->y, stuff->reqType, stuff->drawable); |
2249 | |
2250 | if (err == Success0) { |
2251 | return Success0; |
2252 | } |
2253 | else |
2254 | return err; |
2255 | } |
2256 | |
2257 | int |
2258 | ProcImageText8(ClientPtr client) |
2259 | { |
2260 | int err; |
2261 | DrawablePtr pDraw; |
2262 | GC *pGC; |
2263 | |
2264 | REQUEST(xImageTextReq)xImageTextReq *stuff = (xImageTextReq *)client->requestBuffer; |
2265 | |
2266 | REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars)if (((sizeof(xImageTextReq) >> 2) > client->req_len ) || (((stuff->nChars) >> 2) >= client->req_len ) || ((((uint64_t) sizeof(xImageTextReq) + (stuff->nChars) + 3) >> 2) != (uint64_t) client->req_len)) return(16 ); |
2267 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
2268 | |
2269 | err = ImageText(client, |
2270 | pDraw, |
2271 | pGC, |
2272 | stuff->nChars, |
2273 | (unsigned char *) &stuff[1], |
2274 | stuff->x, stuff->y, stuff->reqType, stuff->drawable); |
2275 | |
2276 | if (err == Success0) { |
2277 | return Success0; |
2278 | } |
2279 | else |
2280 | return err; |
2281 | } |
2282 | |
2283 | int |
2284 | ProcImageText16(ClientPtr client) |
2285 | { |
2286 | int err; |
2287 | DrawablePtr pDraw; |
2288 | GC *pGC; |
2289 | |
2290 | REQUEST(xImageTextReq)xImageTextReq *stuff = (xImageTextReq *)client->requestBuffer; |
2291 | |
2292 | REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1)if (((sizeof(xImageTextReq) >> 2) > client->req_len ) || (((stuff->nChars << 1) >> 2) >= client ->req_len) || ((((uint64_t) sizeof(xImageTextReq) + (stuff ->nChars << 1) + 3) >> 2) != (uint64_t) client ->req_len)) return(16); |
2293 | VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess){ int tmprc = dixLookupDrawable(&(pDraw), stuff->drawable , client, (-1), (1<<1)); if (tmprc != 0) return tmprc; tmprc = dixLookupGC(&(pGC), stuff->gc, client, (1<<24 )); if (tmprc != 0) return tmprc; if ((pGC->depth != pDraw ->depth) || (pGC->pScreen != pDraw->pScreen)) return 8; } if (pGC->serialNumber != pDraw->serialNumber) ValidateGC (pDraw, pGC);; |
2294 | |
2295 | err = ImageText(client, |
2296 | pDraw, |
2297 | pGC, |
2298 | stuff->nChars, |
2299 | (unsigned char *) &stuff[1], |
2300 | stuff->x, stuff->y, stuff->reqType, stuff->drawable); |
2301 | |
2302 | if (err == Success0) { |
2303 | return Success0; |
2304 | } |
2305 | else |
2306 | return err; |
2307 | } |
2308 | |
2309 | int |
2310 | ProcCreateColormap(ClientPtr client) |
2311 | { |
2312 | VisualPtr pVisual; |
2313 | ColormapPtr pmap; |
2314 | Colormap mid; |
2315 | WindowPtr pWin; |
2316 | ScreenPtr pScreen; |
2317 | |
2318 | REQUEST(xCreateColormapReq)xCreateColormapReq *stuff = (xCreateColormapReq *)client-> requestBuffer; |
2319 | int i, result; |
2320 | |
2321 | REQUEST_SIZE_MATCH(xCreateColormapReq)if ((sizeof(xCreateColormapReq) >> 2) != client->req_len ) return(16); |
2322 | |
2323 | if ((stuff->alloc != AllocNone0) && (stuff->alloc != AllocAll1)) { |
2324 | client->errorValue = stuff->alloc; |
2325 | return BadValue2; |
2326 | } |
2327 | mid = stuff->mid; |
2328 | LEGAL_NEW_RESOURCE(mid, client)if (!LegalNewID(mid,client)) { client->errorValue = mid; return 14; }; |
2329 | result = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); |
2330 | if (result != Success0) |
2331 | return result; |
2332 | |
2333 | pScreen = pWin->drawable.pScreen; |
2334 | for (i = 0, pVisual = pScreen->visuals; |
2335 | i < pScreen->numVisuals; i++, pVisual++) { |
2336 | if (pVisual->vid != stuff->visual) |
2337 | continue; |
2338 | return CreateColormap(mid, pScreen, pVisual, &pmap, |
2339 | (int) stuff->alloc, client->index); |
2340 | } |
2341 | client->errorValue = stuff->visual; |
2342 | return BadMatch8; |
2343 | } |
2344 | |
2345 | int |
2346 | ProcFreeColormap(ClientPtr client) |
2347 | { |
2348 | ColormapPtr pmap; |
2349 | int rc; |
2350 | |
2351 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
2352 | |
2353 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
2354 | rc = dixLookupResourceByType((void **) &pmap, stuff->id, RT_COLORMAP((RESTYPE)6), |
2355 | client, DixDestroyAccess(1<<2)); |
2356 | if (rc == Success0) { |
2357 | /* Freeing a default colormap is a no-op */ |
2358 | if (!(pmap->flags & IsDefault1)) |
2359 | FreeResource(stuff->id, RT_NONE((RESTYPE)0)); |
2360 | return Success0; |
2361 | } |
2362 | else { |
2363 | client->errorValue = stuff->id; |
2364 | return rc; |
2365 | } |
2366 | } |
2367 | |
2368 | int |
2369 | ProcCopyColormapAndFree(ClientPtr client) |
2370 | { |
2371 | Colormap mid; |
2372 | ColormapPtr pSrcMap; |
2373 | |
2374 | REQUEST(xCopyColormapAndFreeReq)xCopyColormapAndFreeReq *stuff = (xCopyColormapAndFreeReq *)client ->requestBuffer; |
2375 | int rc; |
2376 | |
2377 | REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq)if ((sizeof(xCopyColormapAndFreeReq) >> 2) != client-> req_len) return(16); |
2378 | mid = stuff->mid; |
2379 | LEGAL_NEW_RESOURCE(mid, client)if (!LegalNewID(mid,client)) { client->errorValue = mid; return 14; }; |
2380 | rc = dixLookupResourceByType((void **) &pSrcMap, stuff->srcCmap, |
2381 | RT_COLORMAP((RESTYPE)6), client, |
2382 | DixReadAccess(1<<0) | DixRemoveAccess(1<<13)); |
2383 | if (rc == Success0) |
2384 | return CopyColormapAndFree(mid, pSrcMap, client->index); |
2385 | client->errorValue = stuff->srcCmap; |
2386 | return rc; |
2387 | } |
2388 | |
2389 | int |
2390 | ProcInstallColormap(ClientPtr client) |
2391 | { |
2392 | ColormapPtr pcmp; |
2393 | int rc; |
2394 | |
2395 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
2396 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
2397 | |
2398 | rc = dixLookupResourceByType((void **) &pcmp, stuff->id, RT_COLORMAP((RESTYPE)6), |
2399 | client, DixInstallAccess(1<<20)); |
2400 | if (rc != Success0) |
2401 | goto out; |
2402 | |
2403 | rc = XaceHook(XACE_SCREEN_ACCESS11, client, pcmp->pScreen, DixSetAttrAccess(1<<5)); |
2404 | if (rc != Success0) { |
2405 | if (rc == BadValue2) |
2406 | rc = BadColor12; |
2407 | goto out; |
2408 | } |
2409 | |
2410 | (*(pcmp->pScreen->InstallColormap)) (pcmp); |
2411 | return Success0; |
2412 | |
2413 | out: |
2414 | client->errorValue = stuff->id; |
2415 | return rc; |
2416 | } |
2417 | |
2418 | int |
2419 | ProcUninstallColormap(ClientPtr client) |
2420 | { |
2421 | ColormapPtr pcmp; |
2422 | int rc; |
2423 | |
2424 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
2425 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
2426 | |
2427 | rc = dixLookupResourceByType((void **) &pcmp, stuff->id, RT_COLORMAP((RESTYPE)6), |
2428 | client, DixUninstallAccess(1<<21)); |
2429 | if (rc != Success0) |
2430 | goto out; |
2431 | |
2432 | rc = XaceHook(XACE_SCREEN_ACCESS11, client, pcmp->pScreen, DixSetAttrAccess(1<<5)); |
2433 | if (rc != Success0) { |
2434 | if (rc == BadValue2) |
2435 | rc = BadColor12; |
2436 | goto out; |
2437 | } |
2438 | |
2439 | if (pcmp->mid != pcmp->pScreen->defColormap) |
2440 | (*(pcmp->pScreen->UninstallColormap)) (pcmp); |
2441 | return Success0; |
2442 | |
2443 | out: |
2444 | client->errorValue = stuff->id; |
2445 | return rc; |
2446 | } |
2447 | |
2448 | int |
2449 | ProcListInstalledColormaps(ClientPtr client) |
2450 | { |
2451 | xListInstalledColormapsReply *preply; |
2452 | int nummaps, rc; |
2453 | WindowPtr pWin; |
2454 | |
2455 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
2456 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
2457 | |
2458 | rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess(1<<4)); |
2459 | if (rc != Success0) |
2460 | return rc; |
2461 | |
2462 | rc = XaceHook(XACE_SCREEN_ACCESS11, client, pWin->drawable.pScreen, |
2463 | DixGetAttrAccess(1<<4)); |
2464 | if (rc != Success0) |
2465 | return rc; |
2466 | |
2467 | preply = malloc(sizeof(xListInstalledColormapsReply) + |
2468 | pWin->drawable.pScreen->maxInstalledCmaps * |
2469 | sizeof(Colormap)); |
2470 | if (!preply) |
2471 | return BadAlloc11; |
2472 | |
2473 | preply->type = X_Reply1; |
2474 | preply->sequenceNumber = client->sequence; |
2475 | nummaps = (*pWin->drawable.pScreen->ListInstalledColormaps) |
2476 | (pWin->drawable.pScreen, (Colormap *) &preply[1]); |
2477 | preply->nColormaps = nummaps; |
2478 | preply->length = nummaps; |
2479 | WriteReplyToClient(client, sizeof(xListInstalledColormapsReply), preply){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xListInstalledColormapsReply )), preply); else WriteToClient(client, (int)(sizeof(xListInstalledColormapsReply )), (preply)); }; |
2480 | client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; |
2481 | WriteSwappedDataToClient(client, nummaps * sizeof(Colormap), &preply[1])if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(nummaps * sizeof(Colormap)), &preply[1]); else WriteToClient (client, (int)(nummaps * sizeof(Colormap)), (&preply[1])) ;; |
2482 | free(preply); |
2483 | return Success0; |
2484 | } |
2485 | |
2486 | int |
2487 | ProcAllocColor(ClientPtr client) |
2488 | { |
2489 | ColormapPtr pmap; |
2490 | int rc; |
2491 | |
2492 | REQUEST(xAllocColorReq)xAllocColorReq *stuff = (xAllocColorReq *)client->requestBuffer; |
2493 | |
2494 | REQUEST_SIZE_MATCH(xAllocColorReq)if ((sizeof(xAllocColorReq) >> 2) != client->req_len ) return(16); |
2495 | rc = dixLookupResourceByType((void **) &pmap, stuff->cmap, RT_COLORMAP((RESTYPE)6), |
2496 | client, DixAddAccess(1<<12)); |
2497 | if (rc == Success0) { |
2498 | xAllocColorReply acr = { |
2499 | .type = X_Reply1, |
2500 | .sequenceNumber = client->sequence, |
2501 | .length = 0, |
2502 | .red = stuff->red, |
2503 | .green = stuff->green, |
2504 | .blue = stuff->blue, |
2505 | .pixel = 0 |
2506 | }; |
2507 | if ((rc = AllocColor(pmap, &acr.red, &acr.green, &acr.blue, |
2508 | &acr.pixel, client->index))) |
2509 | return rc; |
2510 | #ifdef PANORAMIX1 |
2511 | if (noPanoramiXExtension || !pmap->pScreen->myNum) |
2512 | #endif |
2513 | WriteReplyToClient(client, sizeof(xAllocColorReply), &acr){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xAllocColorReply )), &acr); else WriteToClient(client, (int)(sizeof(xAllocColorReply )), (&acr)); }; |
2514 | return Success0; |
2515 | |
2516 | } |
2517 | else { |
2518 | client->errorValue = stuff->cmap; |
2519 | return rc; |
2520 | } |
2521 | } |
2522 | |
2523 | int |
2524 | ProcAllocNamedColor(ClientPtr client) |
2525 | { |
2526 | ColormapPtr pcmp; |
2527 | int rc; |
2528 | |
2529 | REQUEST(xAllocNamedColorReq)xAllocNamedColorReq *stuff = (xAllocNamedColorReq *)client-> requestBuffer; |
2530 | |
2531 | REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes)if (((sizeof(xAllocNamedColorReq) >> 2) > client-> req_len) || (((stuff->nbytes) >> 2) >= client-> req_len) || ((((uint64_t) sizeof(xAllocNamedColorReq) + (stuff ->nbytes) + 3) >> 2) != (uint64_t) client->req_len )) return(16); |
2532 | rc = dixLookupResourceByType((void **) &pcmp, stuff->cmap, RT_COLORMAP((RESTYPE)6), |
2533 | client, DixAddAccess(1<<12)); |
2534 | if (rc == Success0) { |
2535 | xAllocNamedColorReply ancr = { |
2536 | .type = X_Reply1, |
2537 | .sequenceNumber = client->sequence, |
2538 | .length = 0 |
2539 | }; |
2540 | if (OsLookupColor |
2541 | (pcmp->pScreen->myNum, (char *) &stuff[1], stuff->nbytes, |
2542 | &ancr.exactRed, &ancr.exactGreen, &ancr.exactBlue)) { |
2543 | ancr.screenRed = ancr.exactRed; |
2544 | ancr.screenGreen = ancr.exactGreen; |
2545 | ancr.screenBlue = ancr.exactBlue; |
2546 | ancr.pixel = 0; |
2547 | if ((rc = AllocColor(pcmp, |
2548 | &ancr.screenRed, &ancr.screenGreen, |
2549 | &ancr.screenBlue, &ancr.pixel, client->index))) |
2550 | return rc; |
2551 | #ifdef PANORAMIX1 |
2552 | if (noPanoramiXExtension || !pcmp->pScreen->myNum) |
2553 | #endif |
2554 | WriteReplyToClient(client, sizeof(xAllocNamedColorReply),{ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xAllocNamedColorReply )), &ancr); else WriteToClient(client, (int)(sizeof(xAllocNamedColorReply )), (&ancr)); } |
2555 | &ancr){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xAllocNamedColorReply )), &ancr); else WriteToClient(client, (int)(sizeof(xAllocNamedColorReply )), (&ancr)); }; |
2556 | return Success0; |
2557 | } |
2558 | else |
2559 | return BadName15; |
2560 | |
2561 | } |
2562 | else { |
2563 | client->errorValue = stuff->cmap; |
2564 | return rc; |
2565 | } |
2566 | } |
2567 | |
2568 | int |
2569 | ProcAllocColorCells(ClientPtr client) |
2570 | { |
2571 | ColormapPtr pcmp; |
2572 | int rc; |
2573 | |
2574 | REQUEST(xAllocColorCellsReq)xAllocColorCellsReq *stuff = (xAllocColorCellsReq *)client-> requestBuffer; |
2575 | |
2576 | REQUEST_SIZE_MATCH(xAllocColorCellsReq)if ((sizeof(xAllocColorCellsReq) >> 2) != client->req_len ) return(16); |
2577 | rc = dixLookupResourceByType((void **) &pcmp, stuff->cmap, RT_COLORMAP((RESTYPE)6), |
2578 | client, DixAddAccess(1<<12)); |
2579 | if (rc == Success0) { |
2580 | int npixels, nmasks; |
2581 | long length; |
2582 | Pixel *ppixels, *pmasks; |
2583 | |
2584 | npixels = stuff->colors; |
2585 | if (!npixels) { |
2586 | client->errorValue = npixels; |
2587 | return BadValue2; |
2588 | } |
2589 | if (stuff->contiguous != xTrue1 && stuff->contiguous != xFalse0) { |
2590 | client->errorValue = stuff->contiguous; |
2591 | return BadValue2; |
2592 | } |
2593 | nmasks = stuff->planes; |
2594 | length = ((long) npixels + (long) nmasks) * sizeof(Pixel); |
2595 | ppixels = malloc(length); |
2596 | if (!ppixels) |
2597 | return BadAlloc11; |
2598 | pmasks = ppixels + npixels; |
2599 | |
2600 | if ((rc = AllocColorCells(client->index, pcmp, npixels, nmasks, |
2601 | (Bool) stuff->contiguous, ppixels, pmasks))) { |
2602 | free(ppixels); |
2603 | return rc; |
2604 | } |
2605 | #ifdef PANORAMIX1 |
2606 | if (noPanoramiXExtension || !pcmp->pScreen->myNum) |
2607 | #endif |
2608 | { |
2609 | xAllocColorCellsReply accr = { |
2610 | .type = X_Reply1, |
2611 | .sequenceNumber = client->sequence, |
2612 | .length = bytes_to_int32(length), |
2613 | .nPixels = npixels, |
2614 | .nMasks = nmasks |
2615 | }; |
2616 | WriteReplyToClient(client, sizeof(xAllocColorCellsReply), &accr){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xAllocColorCellsReply )), &accr); else WriteToClient(client, (int)(sizeof(xAllocColorCellsReply )), (&accr)); }; |
2617 | client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; |
2618 | WriteSwappedDataToClient(client, length, ppixels)if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(length), ppixels); else WriteToClient(client, (int)(length ), (ppixels));; |
2619 | } |
2620 | free(ppixels); |
2621 | return Success0; |
2622 | } |
2623 | else { |
2624 | client->errorValue = stuff->cmap; |
2625 | return rc; |
2626 | } |
2627 | } |
2628 | |
2629 | int |
2630 | ProcAllocColorPlanes(ClientPtr client) |
2631 | { |
2632 | ColormapPtr pcmp; |
2633 | int rc; |
2634 | |
2635 | REQUEST(xAllocColorPlanesReq)xAllocColorPlanesReq *stuff = (xAllocColorPlanesReq *)client-> requestBuffer; |
2636 | |
2637 | REQUEST_SIZE_MATCH(xAllocColorPlanesReq)if ((sizeof(xAllocColorPlanesReq) >> 2) != client->req_len ) return(16); |
2638 | rc = dixLookupResourceByType((void **) &pcmp, stuff->cmap, RT_COLORMAP((RESTYPE)6), |
2639 | client, DixAddAccess(1<<12)); |
2640 | if (rc == Success0) { |
2641 | xAllocColorPlanesReply acpr; |
2642 | int npixels; |
2643 | long length; |
2644 | Pixel *ppixels; |
2645 | |
2646 | npixels = stuff->colors; |
2647 | if (!npixels) { |
2648 | client->errorValue = npixels; |
2649 | return BadValue2; |
2650 | } |
2651 | if (stuff->contiguous != xTrue1 && stuff->contiguous != xFalse0) { |
2652 | client->errorValue = stuff->contiguous; |
2653 | return BadValue2; |
2654 | } |
2655 | acpr = (xAllocColorPlanesReply) { |
2656 | .type = X_Reply1, |
2657 | .sequenceNumber = client->sequence, |
2658 | .nPixels = npixels |
2659 | }; |
2660 | length = (long) npixels *sizeof(Pixel); |
2661 | |
2662 | ppixels = malloc(length); |
2663 | if (!ppixels) |
2664 | return BadAlloc11; |
2665 | if ((rc = AllocColorPlanes(client->index, pcmp, npixels, |
2666 | (int) stuff->red, (int) stuff->green, |
2667 | (int) stuff->blue, (Bool) stuff->contiguous, |
2668 | ppixels, &acpr.redMask, &acpr.greenMask, |
2669 | &acpr.blueMask))) { |
2670 | free(ppixels); |
2671 | return rc; |
2672 | } |
2673 | acpr.length = bytes_to_int32(length); |
2674 | #ifdef PANORAMIX1 |
2675 | if (noPanoramiXExtension || !pcmp->pScreen->myNum) |
2676 | #endif |
2677 | { |
2678 | WriteReplyToClient(client, sizeof(xAllocColorPlanesReply), &acpr){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xAllocColorPlanesReply )), &acpr); else WriteToClient(client, (int)(sizeof(xAllocColorPlanesReply )), (&acpr)); }; |
2679 | client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; |
2680 | WriteSwappedDataToClient(client, length, ppixels)if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(length), ppixels); else WriteToClient(client, (int)(length ), (ppixels));; |
2681 | } |
2682 | free(ppixels); |
2683 | return Success0; |
2684 | } |
2685 | else { |
2686 | client->errorValue = stuff->cmap; |
2687 | return rc; |
2688 | } |
2689 | } |
2690 | |
2691 | int |
2692 | ProcFreeColors(ClientPtr client) |
2693 | { |
2694 | ColormapPtr pcmp; |
2695 | int rc; |
2696 | |
2697 | REQUEST(xFreeColorsReq)xFreeColorsReq *stuff = (xFreeColorsReq *)client->requestBuffer; |
2698 | |
2699 | REQUEST_AT_LEAST_SIZE(xFreeColorsReq)if ((sizeof(xFreeColorsReq) >> 2) > client->req_len ) return(16); |
2700 | rc = dixLookupResourceByType((void **) &pcmp, stuff->cmap, RT_COLORMAP((RESTYPE)6), |
2701 | client, DixRemoveAccess(1<<13)); |
2702 | if (rc == Success0) { |
2703 | int count; |
2704 | |
2705 | if (pcmp->flags & AllAllocated2) |
2706 | return BadAccess10; |
2707 | count = bytes_to_int32((client->req_len << 2) - sizeof(xFreeColorsReq)); |
2708 | return FreeColors(pcmp, client->index, count, |
2709 | (Pixel *) &stuff[1], (Pixel) stuff->planeMask); |
2710 | } |
2711 | else { |
2712 | client->errorValue = stuff->cmap; |
2713 | return rc; |
2714 | } |
2715 | } |
2716 | |
2717 | int |
2718 | ProcStoreColors(ClientPtr client) |
2719 | { |
2720 | ColormapPtr pcmp; |
2721 | int rc; |
2722 | |
2723 | REQUEST(xStoreColorsReq)xStoreColorsReq *stuff = (xStoreColorsReq *)client->requestBuffer; |
2724 | |
2725 | REQUEST_AT_LEAST_SIZE(xStoreColorsReq)if ((sizeof(xStoreColorsReq) >> 2) > client->req_len ) return(16); |
2726 | rc = dixLookupResourceByType((void **) &pcmp, stuff->cmap, RT_COLORMAP((RESTYPE)6), |
2727 | client, DixWriteAccess(1<<1)); |
2728 | if (rc == Success0) { |
2729 | int count; |
2730 | |
2731 | count = (client->req_len << 2) - sizeof(xStoreColorsReq); |
2732 | if (count % sizeof(xColorItem)) |
2733 | return BadLength16; |
2734 | count /= sizeof(xColorItem); |
2735 | return StoreColors(pcmp, count, (xColorItem *) &stuff[1], client); |
2736 | } |
2737 | else { |
2738 | client->errorValue = stuff->cmap; |
2739 | return rc; |
2740 | } |
2741 | } |
2742 | |
2743 | int |
2744 | ProcStoreNamedColor(ClientPtr client) |
2745 | { |
2746 | ColormapPtr pcmp; |
2747 | int rc; |
2748 | |
2749 | REQUEST(xStoreNamedColorReq)xStoreNamedColorReq *stuff = (xStoreNamedColorReq *)client-> requestBuffer; |
2750 | |
2751 | REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes)if (((sizeof(xStoreNamedColorReq) >> 2) > client-> req_len) || (((stuff->nbytes) >> 2) >= client-> req_len) || ((((uint64_t) sizeof(xStoreNamedColorReq) + (stuff ->nbytes) + 3) >> 2) != (uint64_t) client->req_len )) return(16); |
2752 | rc = dixLookupResourceByType((void **) &pcmp, stuff->cmap, RT_COLORMAP((RESTYPE)6), |
2753 | client, DixWriteAccess(1<<1)); |
2754 | if (rc == Success0) { |
2755 | xColorItem def; |
2756 | |
2757 | if (OsLookupColor(pcmp->pScreen->myNum, (char *) &stuff[1], |
2758 | stuff->nbytes, &def.red, &def.green, &def.blue)) { |
2759 | def.flags = stuff->flags; |
2760 | def.pixel = stuff->pixel; |
2761 | return StoreColors(pcmp, 1, &def, client); |
2762 | } |
2763 | return BadName15; |
2764 | } |
2765 | else { |
2766 | client->errorValue = stuff->cmap; |
2767 | return rc; |
2768 | } |
2769 | } |
2770 | |
2771 | int |
2772 | ProcQueryColors(ClientPtr client) |
2773 | { |
2774 | ColormapPtr pcmp; |
2775 | int rc; |
2776 | |
2777 | REQUEST(xQueryColorsReq)xQueryColorsReq *stuff = (xQueryColorsReq *)client->requestBuffer; |
2778 | |
2779 | REQUEST_AT_LEAST_SIZE(xQueryColorsReq)if ((sizeof(xQueryColorsReq) >> 2) > client->req_len ) return(16); |
2780 | rc = dixLookupResourceByType((void **) &pcmp, stuff->cmap, RT_COLORMAP((RESTYPE)6), |
2781 | client, DixReadAccess(1<<0)); |
2782 | if (rc == Success0) { |
2783 | int count; |
2784 | xrgb *prgbs; |
2785 | xQueryColorsReply qcr; |
2786 | |
2787 | count = |
2788 | bytes_to_int32((client->req_len << 2) - sizeof(xQueryColorsReq)); |
2789 | prgbs = calloc(1, count * sizeof(xrgb)); |
2790 | if (!prgbs && count) |
2791 | return BadAlloc11; |
2792 | if ((rc = |
2793 | QueryColors(pcmp, count, (Pixel *) &stuff[1], prgbs, client))) { |
2794 | free(prgbs); |
2795 | return rc; |
2796 | } |
2797 | qcr = (xQueryColorsReply) { |
2798 | .type = X_Reply1, |
2799 | .sequenceNumber = client->sequence, |
2800 | .length = bytes_to_int32(count * sizeof(xrgb)), |
2801 | .nColors = count |
2802 | }; |
2803 | WriteReplyToClient(client, sizeof(xQueryColorsReply), &qcr){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xQueryColorsReply )), &qcr); else WriteToClient(client, (int)(sizeof(xQueryColorsReply )), (&qcr)); }; |
2804 | if (count) { |
2805 | client->pSwapReplyFunc = (ReplySwapPtr) SQColorsExtend; |
2806 | WriteSwappedDataToClient(client, count * sizeof(xrgb), prgbs)if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(count * sizeof(xrgb)), prgbs); else WriteToClient(client , (int)(count * sizeof(xrgb)), (prgbs));; |
2807 | } |
2808 | free(prgbs); |
2809 | return Success0; |
2810 | |
2811 | } |
2812 | else { |
2813 | client->errorValue = stuff->cmap; |
2814 | return rc; |
2815 | } |
2816 | } |
2817 | |
2818 | int |
2819 | ProcLookupColor(ClientPtr client) |
2820 | { |
2821 | ColormapPtr pcmp; |
2822 | int rc; |
2823 | |
2824 | REQUEST(xLookupColorReq)xLookupColorReq *stuff = (xLookupColorReq *)client->requestBuffer; |
2825 | |
2826 | REQUEST_FIXED_SIZE(xLookupColorReq, stuff->nbytes)if (((sizeof(xLookupColorReq) >> 2) > client->req_len ) || (((stuff->nbytes) >> 2) >= client->req_len ) || ((((uint64_t) sizeof(xLookupColorReq) + (stuff->nbytes ) + 3) >> 2) != (uint64_t) client->req_len)) return( 16); |
2827 | rc = dixLookupResourceByType((void **) &pcmp, stuff->cmap, RT_COLORMAP((RESTYPE)6), |
2828 | client, DixReadAccess(1<<0)); |
2829 | if (rc == Success0) { |
2830 | CARD16 exactRed, exactGreen, exactBlue; |
2831 | |
2832 | if (OsLookupColor |
2833 | (pcmp->pScreen->myNum, (char *) &stuff[1], stuff->nbytes, |
2834 | &exactRed, &exactGreen, &exactBlue)) { |
2835 | xLookupColorReply lcr = { |
2836 | .type = X_Reply1, |
2837 | .sequenceNumber = client->sequence, |
2838 | .length = 0, |
2839 | .exactRed = exactRed, |
2840 | .exactGreen = exactGreen, |
2841 | .exactBlue = exactBlue, |
2842 | .screenRed = exactRed, |
2843 | .screenGreen = exactGreen, |
2844 | .screenBlue = exactBlue |
2845 | }; |
2846 | (*pcmp->pScreen->ResolveColor) (&lcr.screenRed, |
2847 | &lcr.screenGreen, |
2848 | &lcr.screenBlue, pcmp->pVisual); |
2849 | WriteReplyToClient(client, sizeof(xLookupColorReply), &lcr){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xLookupColorReply )), &lcr); else WriteToClient(client, (int)(sizeof(xLookupColorReply )), (&lcr)); }; |
2850 | return Success0; |
2851 | } |
2852 | return BadName15; |
2853 | } |
2854 | else { |
2855 | client->errorValue = stuff->cmap; |
2856 | return rc; |
2857 | } |
2858 | } |
2859 | |
2860 | int |
2861 | ProcCreateCursor(ClientPtr client) |
2862 | { |
2863 | CursorPtr pCursor; |
2864 | PixmapPtr src; |
2865 | PixmapPtr msk; |
2866 | unsigned char *srcbits; |
2867 | unsigned char *mskbits; |
2868 | unsigned short width, height; |
2869 | long n; |
2870 | CursorMetricRec cm; |
2871 | int rc; |
2872 | |
2873 | REQUEST(xCreateCursorReq)xCreateCursorReq *stuff = (xCreateCursorReq *)client->requestBuffer; |
2874 | |
2875 | REQUEST_SIZE_MATCH(xCreateCursorReq)if ((sizeof(xCreateCursorReq) >> 2) != client->req_len ) return(16); |
2876 | LEGAL_NEW_RESOURCE(stuff->cid, client)if (!LegalNewID(stuff->cid,client)) { client->errorValue = stuff->cid; return 14; }; |
2877 | |
2878 | rc = dixLookupResourceByType((void **) &src, stuff->source, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), |
2879 | client, DixReadAccess(1<<0)); |
2880 | if (rc != Success0) { |
2881 | client->errorValue = stuff->source; |
2882 | return rc; |
2883 | } |
2884 | |
2885 | if (src->drawable.depth != 1) |
2886 | return (BadMatch8); |
2887 | |
2888 | /* Find and validate cursor mask pixmap, if one is provided */ |
2889 | if (stuff->mask != None0L) { |
2890 | rc = dixLookupResourceByType((void **) &msk, stuff->mask, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), |
2891 | client, DixReadAccess(1<<0)); |
2892 | if (rc != Success0) { |
2893 | client->errorValue = stuff->mask; |
2894 | return rc; |
2895 | } |
2896 | |
2897 | if (src->drawable.width != msk->drawable.width |
2898 | || src->drawable.height != msk->drawable.height |
2899 | || src->drawable.depth != 1 || msk->drawable.depth != 1) |
2900 | return BadMatch8; |
2901 | } |
2902 | else |
2903 | msk = NULL((void*)0); |
2904 | |
2905 | width = src->drawable.width; |
2906 | height = src->drawable.height; |
2907 | |
2908 | if (stuff->x > width || stuff->y > height) |
2909 | return BadMatch8; |
2910 | |
2911 | n = BitmapBytePad(width)(((int)((width) + 32 - 1) >> 5) << 2) * height; |
2912 | srcbits = calloc(1, n); |
2913 | if (!srcbits) |
2914 | return BadAlloc11; |
2915 | mskbits = malloc(n); |
2916 | if (!mskbits) { |
2917 | free(srcbits); |
2918 | return BadAlloc11; |
2919 | } |
2920 | |
2921 | (*src->drawable.pScreen->GetImage) ((DrawablePtr) src, 0, 0, width, height, |
2922 | XYPixmap1, 1, (void *) srcbits); |
2923 | if (msk == (PixmapPtr) NULL((void*)0)) { |
2924 | unsigned char *bits = mskbits; |
2925 | |
2926 | while (--n >= 0) |
2927 | *bits++ = ~0; |
2928 | } |
2929 | else { |
2930 | /* zeroing the (pad) bits helps some ddx cursor handling */ |
2931 | memset((char *) mskbits, 0, n)__builtin___memset_chk ((char *) mskbits, 0, n, __builtin_object_size ((char *) mskbits, 0)); |
2932 | (*msk->drawable.pScreen->GetImage) ((DrawablePtr) msk, 0, 0, width, |
2933 | height, XYPixmap1, 1, |
2934 | (void *) mskbits); |
2935 | } |
2936 | cm.width = width; |
2937 | cm.height = height; |
2938 | cm.xhot = stuff->x; |
2939 | cm.yhot = stuff->y; |
2940 | rc = AllocARGBCursor(srcbits, mskbits, NULL((void*)0), &cm, |
2941 | stuff->foreRed, stuff->foreGreen, stuff->foreBlue, |
2942 | stuff->backRed, stuff->backGreen, stuff->backBlue, |
2943 | &pCursor, client, stuff->cid); |
2944 | |
2945 | if (rc != Success0) |
2946 | goto bail; |
2947 | if (!AddResourceDarwin_X_AddResource(stuff->cid, RT_CURSOR((RESTYPE)5), (void *) pCursor)) { |
2948 | rc = BadAlloc11; |
2949 | goto bail; |
2950 | } |
2951 | |
2952 | return Success0; |
2953 | bail: |
2954 | free(srcbits); |
2955 | free(mskbits); |
2956 | return rc; |
2957 | } |
2958 | |
2959 | int |
2960 | ProcCreateGlyphCursor(ClientPtr client) |
2961 | { |
2962 | CursorPtr pCursor; |
2963 | int res; |
2964 | |
2965 | REQUEST(xCreateGlyphCursorReq)xCreateGlyphCursorReq *stuff = (xCreateGlyphCursorReq *)client ->requestBuffer; |
2966 | |
2967 | REQUEST_SIZE_MATCH(xCreateGlyphCursorReq)if ((sizeof(xCreateGlyphCursorReq) >> 2) != client-> req_len) return(16); |
2968 | LEGAL_NEW_RESOURCE(stuff->cid, client)if (!LegalNewID(stuff->cid,client)) { client->errorValue = stuff->cid; return 14; }; |
2969 | |
2970 | res = AllocGlyphCursor(stuff->source, stuff->sourceChar, |
2971 | stuff->mask, stuff->maskChar, |
2972 | stuff->foreRed, stuff->foreGreen, stuff->foreBlue, |
2973 | stuff->backRed, stuff->backGreen, stuff->backBlue, |
2974 | &pCursor, client, stuff->cid); |
2975 | if (res != Success0) |
2976 | return res; |
2977 | if (AddResourceDarwin_X_AddResource(stuff->cid, RT_CURSOR((RESTYPE)5), (void *) pCursor)) |
2978 | return Success0; |
2979 | return BadAlloc11; |
2980 | } |
2981 | |
2982 | int |
2983 | ProcFreeCursor(ClientPtr client) |
2984 | { |
2985 | CursorPtr pCursor; |
2986 | int rc; |
2987 | |
2988 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
2989 | |
2990 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
2991 | rc = dixLookupResourceByType((void **) &pCursor, stuff->id, RT_CURSOR((RESTYPE)5), |
2992 | client, DixDestroyAccess(1<<2)); |
2993 | if (rc == Success0) { |
2994 | FreeResource(stuff->id, RT_NONE((RESTYPE)0)); |
2995 | return Success0; |
2996 | } |
2997 | else { |
2998 | client->errorValue = stuff->id; |
2999 | return rc; |
3000 | } |
3001 | } |
3002 | |
3003 | int |
3004 | ProcQueryBestSize(ClientPtr client) |
3005 | { |
3006 | xQueryBestSizeReply reply; |
3007 | DrawablePtr pDraw; |
3008 | ScreenPtr pScreen; |
3009 | int rc; |
3010 | |
3011 | REQUEST(xQueryBestSizeReq)xQueryBestSizeReq *stuff = (xQueryBestSizeReq *)client->requestBuffer; |
3012 | REQUEST_SIZE_MATCH(xQueryBestSizeReq)if ((sizeof(xQueryBestSizeReq) >> 2) != client->req_len ) return(16); |
3013 | |
3014 | if ((stuff->class != CursorShape0) && |
3015 | (stuff->class != TileShape1) && (stuff->class != StippleShape2)) { |
3016 | client->errorValue = stuff->class; |
3017 | return BadValue2; |
3018 | } |
3019 | |
3020 | rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY(-1), |
3021 | DixGetAttrAccess(1<<4)); |
3022 | if (rc != Success0) |
3023 | return rc; |
3024 | if (stuff->class != CursorShape0 && pDraw->type == UNDRAWABLE_WINDOW2) |
3025 | return BadMatch8; |
3026 | pScreen = pDraw->pScreen; |
3027 | rc = XaceHook(XACE_SCREEN_ACCESS11, client, pScreen, DixGetAttrAccess(1<<4)); |
3028 | if (rc != Success0) |
3029 | return rc; |
3030 | (*pScreen->QueryBestSize) (stuff->class, &stuff->width, |
3031 | &stuff->height, pScreen); |
3032 | reply = (xQueryBestSizeReply) { |
3033 | .type = X_Reply1, |
3034 | .sequenceNumber = client->sequence, |
3035 | .length = 0, |
3036 | .width = stuff->width, |
3037 | .height = stuff->height |
3038 | }; |
3039 | WriteReplyToClient(client, sizeof(xQueryBestSizeReply), &reply){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xQueryBestSizeReply )), &reply); else WriteToClient(client, (int)(sizeof(xQueryBestSizeReply )), (&reply)); }; |
3040 | return Success0; |
3041 | } |
3042 | |
3043 | int |
3044 | ProcSetScreenSaver(ClientPtr client) |
3045 | { |
3046 | int rc, i, blankingOption, exposureOption; |
3047 | |
3048 | REQUEST(xSetScreenSaverReq)xSetScreenSaverReq *stuff = (xSetScreenSaverReq *)client-> requestBuffer; |
3049 | REQUEST_SIZE_MATCH(xSetScreenSaverReq)if ((sizeof(xSetScreenSaverReq) >> 2) != client->req_len ) return(16); |
3050 | |
3051 | for (i = 0; i < screenInfo.numScreens; i++) { |
3052 | rc = XaceHook(XACE_SCREENSAVER_ACCESS12, client, screenInfo.screens[i], |
3053 | DixSetAttrAccess(1<<5)); |
3054 | if (rc != Success0) |
3055 | return rc; |
3056 | } |
3057 | |
3058 | blankingOption = stuff->preferBlank; |
3059 | if ((blankingOption != DontPreferBlanking0) && |
3060 | (blankingOption != PreferBlanking1) && |
3061 | (blankingOption != DefaultBlanking2)) { |
3062 | client->errorValue = blankingOption; |
3063 | return BadValue2; |
3064 | } |
3065 | exposureOption = stuff->allowExpose; |
3066 | if ((exposureOption != DontAllowExposures0) && |
3067 | (exposureOption != AllowExposures1) && |
3068 | (exposureOption != DefaultExposures2)) { |
3069 | client->errorValue = exposureOption; |
3070 | return BadValue2; |
3071 | } |
3072 | if (stuff->timeout < -1) { |
3073 | client->errorValue = stuff->timeout; |
3074 | return BadValue2; |
3075 | } |
3076 | if (stuff->interval < -1) { |
3077 | client->errorValue = stuff->interval; |
3078 | return BadValue2; |
3079 | } |
3080 | |
3081 | if (blankingOption == DefaultBlanking2) |
3082 | ScreenSaverBlanking = defaultScreenSaverBlanking; |
3083 | else |
3084 | ScreenSaverBlanking = blankingOption; |
3085 | if (exposureOption == DefaultExposures2) |
3086 | ScreenSaverAllowExposures = defaultScreenSaverAllowExposures; |
3087 | else |
3088 | ScreenSaverAllowExposures = exposureOption; |
3089 | |
3090 | if (stuff->timeout >= 0) |
3091 | ScreenSaverTime = stuff->timeout * MILLI_PER_SECOND(1000); |
3092 | else |
3093 | ScreenSaverTime = defaultScreenSaverTime; |
3094 | if (stuff->interval >= 0) |
3095 | ScreenSaverInterval = stuff->interval * MILLI_PER_SECOND(1000); |
3096 | else |
3097 | ScreenSaverInterval = defaultScreenSaverInterval; |
3098 | |
3099 | SetScreenSaverTimer(); |
3100 | return Success0; |
3101 | } |
3102 | |
3103 | int |
3104 | ProcGetScreenSaver(ClientPtr client) |
3105 | { |
3106 | xGetScreenSaverReply rep; |
3107 | int rc, i; |
3108 | |
3109 | REQUEST_SIZE_MATCH(xReq)if ((sizeof(xReq) >> 2) != client->req_len) return(16 ); |
3110 | |
3111 | for (i = 0; i < screenInfo.numScreens; i++) { |
3112 | rc = XaceHook(XACE_SCREENSAVER_ACCESS12, client, screenInfo.screens[i], |
3113 | DixGetAttrAccess(1<<4)); |
3114 | if (rc != Success0) |
3115 | return rc; |
3116 | } |
3117 | |
3118 | rep = (xGetScreenSaverReply) { |
3119 | .type = X_Reply1, |
3120 | .sequenceNumber = client->sequence, |
3121 | .length = 0, |
3122 | .timeout = ScreenSaverTime / MILLI_PER_SECOND(1000), |
3123 | .interval = ScreenSaverInterval / MILLI_PER_SECOND(1000), |
3124 | .preferBlanking = ScreenSaverBlanking, |
3125 | .allowExposures = ScreenSaverAllowExposures |
3126 | }; |
3127 | WriteReplyToClient(client, sizeof(xGetScreenSaverReply), &rep){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xGetScreenSaverReply )), &rep); else WriteToClient(client, (int)(sizeof(xGetScreenSaverReply )), (&rep)); }; |
3128 | return Success0; |
3129 | } |
3130 | |
3131 | int |
3132 | ProcChangeHosts(ClientPtr client) |
3133 | { |
3134 | REQUEST(xChangeHostsReq)xChangeHostsReq *stuff = (xChangeHostsReq *)client->requestBuffer; |
3135 | |
3136 | REQUEST_FIXED_SIZE(xChangeHostsReq, stuff->hostLength)if (((sizeof(xChangeHostsReq) >> 2) > client->req_len ) || (((stuff->hostLength) >> 2) >= client->req_len ) || ((((uint64_t) sizeof(xChangeHostsReq) + (stuff->hostLength ) + 3) >> 2) != (uint64_t) client->req_len)) return( 16); |
3137 | |
3138 | if (stuff->mode == HostInsert0) |
3139 | return AddHost(client, (int) stuff->hostFamily, |
3140 | stuff->hostLength, (void *) &stuff[1]); |
3141 | if (stuff->mode == HostDelete1) |
3142 | return RemoveHost(client, (int) stuff->hostFamily, |
3143 | stuff->hostLength, (void *) &stuff[1]); |
3144 | client->errorValue = stuff->mode; |
3145 | return BadValue2; |
3146 | } |
3147 | |
3148 | int |
3149 | ProcListHosts(ClientPtr client) |
3150 | { |
3151 | xListHostsReply reply; |
3152 | int len, nHosts, result; |
3153 | BOOL enabled; |
3154 | void *pdata; |
3155 | |
3156 | /* REQUEST(xListHostsReq); */ |
3157 | |
3158 | REQUEST_SIZE_MATCH(xListHostsReq)if ((sizeof(xListHostsReq) >> 2) != client->req_len) return(16); |
3159 | |
3160 | /* untrusted clients can't list hosts */ |
3161 | result = XaceHook(XACE_SERVER_ACCESS9, client, DixReadAccess(1<<0)); |
3162 | if (result != Success0) |
3163 | return result; |
3164 | |
3165 | result = GetHosts(&pdata, &nHosts, &len, &enabled); |
3166 | if (result != Success0) |
3167 | return result; |
3168 | |
3169 | reply = (xListHostsReply) { |
3170 | .type = X_Reply1, |
3171 | .enabled = enabled, |
3172 | .sequenceNumber = client->sequence, |
3173 | .length = bytes_to_int32(len), |
3174 | .nHosts = nHosts |
3175 | }; |
3176 | WriteReplyToClient(client, sizeof(xListHostsReply), &reply){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xListHostsReply )), &reply); else WriteToClient(client, (int)(sizeof(xListHostsReply )), (&reply)); }; |
3177 | if (nHosts) { |
3178 | client->pSwapReplyFunc = (ReplySwapPtr) SLHostsExtend; |
3179 | WriteSwappedDataToClient(client, len, pdata)if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(len), pdata); else WriteToClient(client, (int)(len), ( pdata));; |
3180 | } |
3181 | free(pdata); |
3182 | return Success0; |
3183 | } |
3184 | |
3185 | int |
3186 | ProcChangeAccessControl(ClientPtr client) |
3187 | { |
3188 | REQUEST(xSetAccessControlReq)xSetAccessControlReq *stuff = (xSetAccessControlReq *)client-> requestBuffer; |
3189 | |
3190 | REQUEST_SIZE_MATCH(xSetAccessControlReq)if ((sizeof(xSetAccessControlReq) >> 2) != client->req_len ) return(16); |
3191 | if ((stuff->mode != EnableAccess1) && (stuff->mode != DisableAccess0)) { |
3192 | client->errorValue = stuff->mode; |
3193 | return BadValue2; |
3194 | } |
3195 | return ChangeAccessControl(client, stuff->mode == EnableAccess1); |
3196 | } |
3197 | |
3198 | /********************* |
3199 | * CloseDownRetainedResources |
3200 | * |
3201 | * Find all clients that are gone and have terminated in RetainTemporary |
3202 | * and destroy their resources. |
3203 | *********************/ |
3204 | |
3205 | static void |
3206 | CloseDownRetainedResources(void) |
3207 | { |
3208 | int i; |
3209 | ClientPtr client; |
3210 | |
3211 | for (i = 1; i < currentMaxClients; i++) { |
3212 | client = clients[i]; |
3213 | if (client && (client->closeDownMode == RetainTemporary2) |
3214 | && (client->clientGone)) |
3215 | CloseDownClient(client); |
3216 | } |
3217 | } |
3218 | |
3219 | int |
3220 | ProcKillClient(ClientPtr client) |
3221 | { |
3222 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
3223 | ClientPtr killclient; |
3224 | int rc; |
3225 | |
3226 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
3227 | if (stuff->id == AllTemporary0L) { |
3228 | CloseDownRetainedResources(); |
3229 | return Success0; |
3230 | } |
3231 | |
3232 | rc = dixLookupClient(&killclient, stuff->id, client, DixDestroyAccess(1<<2)); |
3233 | if (rc == Success0) { |
3234 | CloseDownClient(killclient); |
3235 | if (client == killclient) { |
3236 | /* force yield and return Success, so that Dispatch() |
3237 | * doesn't try to touch client |
3238 | */ |
3239 | isItTimeToYield = TRUE1; |
3240 | } |
3241 | return Success0; |
3242 | } |
3243 | else |
3244 | return rc; |
3245 | } |
3246 | |
3247 | int |
3248 | ProcSetFontPath(ClientPtr client) |
3249 | { |
3250 | unsigned char *ptr; |
3251 | unsigned long nbytes, total; |
3252 | long nfonts; |
3253 | int n; |
3254 | |
3255 | REQUEST(xSetFontPathReq)xSetFontPathReq *stuff = (xSetFontPathReq *)client->requestBuffer; |
3256 | |
3257 | REQUEST_AT_LEAST_SIZE(xSetFontPathReq)if ((sizeof(xSetFontPathReq) >> 2) > client->req_len ) return(16); |
3258 | |
3259 | nbytes = (client->req_len << 2) - sizeof(xSetFontPathReq); |
3260 | total = nbytes; |
3261 | ptr = (unsigned char *) &stuff[1]; |
3262 | nfonts = stuff->nFonts; |
3263 | while (--nfonts >= 0) { |
3264 | if ((total == 0) || (total < (n = (*ptr + 1)))) |
3265 | return BadLength16; |
3266 | total -= n; |
3267 | ptr += n; |
3268 | } |
3269 | if (total >= 4) |
3270 | return BadLength16; |
3271 | return SetFontPath(client, stuff->nFonts, (unsigned char *) &stuff[1]); |
3272 | } |
3273 | |
3274 | int |
3275 | ProcGetFontPath(ClientPtr client) |
3276 | { |
3277 | xGetFontPathReply reply; |
3278 | int rc, stringLens, numpaths; |
3279 | unsigned char *bufferStart; |
3280 | |
3281 | /* REQUEST (xReq); */ |
3282 | |
3283 | REQUEST_SIZE_MATCH(xReq)if ((sizeof(xReq) >> 2) != client->req_len) return(16 ); |
3284 | rc = GetFontPath(client, &numpaths, &stringLens, &bufferStart); |
3285 | if (rc != Success0) |
3286 | return rc; |
3287 | |
3288 | reply = (xGetFontPathReply) { |
3289 | .type = X_Reply1, |
3290 | .sequenceNumber = client->sequence, |
3291 | .length = bytes_to_int32(stringLens + numpaths), |
3292 | .nPaths = numpaths |
3293 | }; |
3294 | |
3295 | WriteReplyToClient(client, sizeof(xGetFontPathReply), &reply){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xGetFontPathReply )), &reply); else WriteToClient(client, (int)(sizeof(xGetFontPathReply )), (&reply)); }; |
3296 | if (stringLens || numpaths) |
3297 | WriteToClient(client, stringLens + numpaths, bufferStart); |
3298 | return Success0; |
3299 | } |
3300 | |
3301 | int |
3302 | ProcChangeCloseDownMode(ClientPtr client) |
3303 | { |
3304 | int rc; |
3305 | |
3306 | REQUEST(xSetCloseDownModeReq)xSetCloseDownModeReq *stuff = (xSetCloseDownModeReq *)client-> requestBuffer; |
3307 | REQUEST_SIZE_MATCH(xSetCloseDownModeReq)if ((sizeof(xSetCloseDownModeReq) >> 2) != client->req_len ) return(16); |
3308 | |
3309 | rc = XaceHook(XACE_CLIENT_ACCESS7, client, client, DixManageAccess(1<<25)); |
3310 | if (rc != Success0) |
3311 | return rc; |
3312 | |
3313 | if ((stuff->mode == AllTemporary0L) || |
3314 | (stuff->mode == RetainPermanent1) || (stuff->mode == RetainTemporary2)) { |
3315 | client->closeDownMode = stuff->mode; |
3316 | return Success0; |
3317 | } |
3318 | else { |
3319 | client->errorValue = stuff->mode; |
3320 | return BadValue2; |
3321 | } |
3322 | } |
3323 | |
3324 | int |
3325 | ProcForceScreenSaver(ClientPtr client) |
3326 | { |
3327 | int rc; |
3328 | |
3329 | REQUEST(xForceScreenSaverReq)xForceScreenSaverReq *stuff = (xForceScreenSaverReq *)client-> requestBuffer; |
3330 | |
3331 | REQUEST_SIZE_MATCH(xForceScreenSaverReq)if ((sizeof(xForceScreenSaverReq) >> 2) != client->req_len ) return(16); |
3332 | |
3333 | if ((stuff->mode != ScreenSaverReset0) && (stuff->mode != ScreenSaverActive1)) { |
3334 | client->errorValue = stuff->mode; |
3335 | return BadValue2; |
3336 | } |
3337 | rc = dixSaveScreens(client, SCREEN_SAVER_FORCER2, (int) stuff->mode); |
3338 | if (rc != Success0) |
3339 | return rc; |
3340 | return Success0; |
3341 | } |
3342 | |
3343 | int |
3344 | ProcNoOperation(ClientPtr client) |
3345 | { |
3346 | REQUEST_AT_LEAST_SIZE(xReq)if ((sizeof(xReq) >> 2) > client->req_len ) return (16); |
3347 | |
3348 | /* noop -- don't do anything */ |
3349 | return Success0; |
3350 | } |
3351 | |
3352 | /********************** |
3353 | * CloseDownClient |
3354 | * |
3355 | * Client can either mark his resources destroy or retain. If retained and |
3356 | * then killed again, the client is really destroyed. |
3357 | *********************/ |
3358 | |
3359 | char dispatchExceptionAtReset = DE_RESET1; |
3360 | |
3361 | void |
3362 | CloseDownClient(ClientPtr client) |
3363 | { |
3364 | Bool really_close_down = client->clientGone || |
3365 | client->closeDownMode == DestroyAll0; |
3366 | |
3367 | if (!client->clientGone) { |
3368 | /* ungrab server if grabbing client dies */ |
3369 | if (grabState != GrabNone0 && grabClient == client) { |
3370 | UngrabServer(client); |
3371 | } |
3372 | BITCLEAR(grabWaiters, client->index)grabWaiters[((client->index) >> 5)] &= ~(1U << ((client->index) & 31)); |
3373 | DeleteClientFromAnySelections(client); |
3374 | ReleaseActiveGrabs(client); |
3375 | DeleteClientFontStuff(client); |
3376 | if (!really_close_down) { |
3377 | /* This frees resources that should never be retained |
3378 | * no matter what the close down mode is. Actually we |
3379 | * could do this unconditionally, but it's probably |
3380 | * better not to traverse all the client's resources |
3381 | * twice (once here, once a few lines down in |
3382 | * FreeClientResources) in the common case of |
3383 | * really_close_down == TRUE. |
3384 | */ |
3385 | FreeClientNeverRetainResources(client); |
3386 | client->clientState = ClientStateRetained; |
3387 | if (ClientStateCallback) { |
3388 | NewClientInfoRec clientinfo; |
3389 | |
3390 | clientinfo.client = client; |
3391 | clientinfo.prefix = (xConnSetupPrefix *) NULL((void*)0); |
3392 | clientinfo.setup = (xConnSetup *) NULL((void*)0); |
3393 | CallCallbacks((&ClientStateCallback), (void *) &clientinfo); |
3394 | } |
3395 | } |
3396 | client->clientGone = TRUE1; /* so events aren't sent to client */ |
3397 | if (ClientIsAsleep(client)) |
3398 | ClientSignal(client); |
3399 | ProcessWorkQueueZombies(); |
3400 | CloseDownConnection(client); |
3401 | |
3402 | /* If the client made it to the Running stage, nClients has |
3403 | * been incremented on its behalf, so we need to decrement it |
3404 | * now. If it hasn't gotten to Running, nClients has *not* |
3405 | * been incremented, so *don't* decrement it. |
3406 | */ |
3407 | if (client->clientState != ClientStateInitial) { |
3408 | --nClients; |
3409 | } |
3410 | } |
3411 | |
3412 | if (really_close_down) { |
3413 | if (client->clientState == ClientStateRunning && nClients == 0) |
3414 | dispatchException |= dispatchExceptionAtReset; |
3415 | |
3416 | client->clientState = ClientStateGone; |
3417 | if (ClientStateCallback) { |
3418 | NewClientInfoRec clientinfo; |
3419 | |
3420 | clientinfo.client = client; |
3421 | clientinfo.prefix = (xConnSetupPrefix *) NULL((void*)0); |
3422 | clientinfo.setup = (xConnSetup *) NULL((void*)0); |
3423 | CallCallbacks((&ClientStateCallback), (void *) &clientinfo); |
3424 | } |
3425 | TouchListenerGone(client->clientAsMask); |
3426 | FreeClientResources(client); |
3427 | /* Disable client ID tracking. This must be done after |
3428 | * ClientStateCallback. */ |
3429 | ReleaseClientIds(client); |
3430 | #ifdef XSERVER_DTRACE1 |
3431 | XSERVER_CLIENT_DISCONNECT(client->index)do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$client__disconnect$v1$696e74(client ->index); __asm__ volatile(".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0); |
3432 | #endif |
3433 | if (client->index < nextFreeClientID) |
3434 | nextFreeClientID = client->index; |
3435 | clients[client->index] = NullClient((ClientPtr) 0); |
3436 | SmartLastClient = NullClient((ClientPtr) 0); |
3437 | dixFreeObjectWithPrivates(client, PRIVATE_CLIENT)_dixFreeObjectWithPrivates(client, (client)->devPrivates, PRIVATE_CLIENT ); |
3438 | |
3439 | while (!clients[currentMaxClients - 1]) |
3440 | currentMaxClients--; |
3441 | } |
3442 | } |
3443 | |
3444 | static void |
3445 | KillAllClients(void) |
3446 | { |
3447 | int i; |
3448 | |
3449 | for (i = 1; i < currentMaxClients; i++) |
3450 | if (clients[i]) { |
3451 | /* Make sure Retained clients are released. */ |
3452 | clients[i]->closeDownMode = DestroyAll0; |
3453 | CloseDownClient(clients[i]); |
3454 | } |
3455 | } |
3456 | |
3457 | void |
3458 | InitClient(ClientPtr client, int i, void *ospriv) |
3459 | { |
3460 | client->index = i; |
3461 | client->clientAsMask = ((Mask) i) << CLIENTOFFSET(29 - 8); |
3462 | client->closeDownMode = i ? DestroyAll0 : RetainPermanent1; |
3463 | client->requestVector = InitialVector; |
3464 | client->osPrivate = ospriv; |
3465 | QueryMinMaxKeyCodes(&client->minKC, &client->maxKC); |
3466 | client->smart_start_tick = SmartScheduleTime; |
3467 | client->smart_stop_tick = SmartScheduleTime; |
3468 | client->clientIds = NULL((void*)0); |
3469 | } |
3470 | |
3471 | /************************ |
3472 | * int NextAvailableClient(ospriv) |
3473 | * |
3474 | * OS dependent portion can't assign client id's because of CloseDownModes. |
3475 | * Returns NULL if there are no free clients. |
3476 | *************************/ |
3477 | |
3478 | ClientPtr |
3479 | NextAvailableClient(void *ospriv) |
3480 | { |
3481 | int i; |
3482 | ClientPtr client; |
3483 | xReq data; |
3484 | |
3485 | i = nextFreeClientID; |
3486 | if (i == MAXCLIENTS256) |
3487 | return (ClientPtr) NULL((void*)0); |
3488 | clients[i] = client = |
3489 | dixAllocateObjectWithPrivates(ClientRec, PRIVATE_CLIENT)(ClientRec *) _dixAllocateObjectWithPrivates(sizeof(ClientRec ), sizeof(ClientRec), __builtin_offsetof(ClientRec, devPrivates ), PRIVATE_CLIENT); |
3490 | if (!client) |
3491 | return (ClientPtr) NULL((void*)0); |
3492 | InitClient(client, i, ospriv); |
3493 | if (!InitClientResources(client)) { |
3494 | dixFreeObjectWithPrivates(client, PRIVATE_CLIENT)_dixFreeObjectWithPrivates(client, (client)->devPrivates, PRIVATE_CLIENT ); |
3495 | return (ClientPtr) NULL((void*)0); |
3496 | } |
3497 | data.reqType = 1; |
3498 | data.length = bytes_to_int32(sz_xReq4 + sz_xConnClientPrefix12); |
3499 | if (!InsertFakeRequest(client, (char *) &data, sz_xReq4)) { |
3500 | FreeClientResources(client); |
3501 | dixFreeObjectWithPrivates(client, PRIVATE_CLIENT)_dixFreeObjectWithPrivates(client, (client)->devPrivates, PRIVATE_CLIENT ); |
3502 | return (ClientPtr) NULL((void*)0); |
3503 | } |
3504 | if (i == currentMaxClients) |
3505 | currentMaxClients++; |
3506 | while ((nextFreeClientID < MAXCLIENTS256) && clients[nextFreeClientID]) |
3507 | nextFreeClientID++; |
3508 | |
3509 | /* Enable client ID tracking. This must be done before |
3510 | * ClientStateCallback. */ |
3511 | ReserveClientIds(client); |
3512 | |
3513 | if (ClientStateCallback) { |
3514 | NewClientInfoRec clientinfo; |
3515 | |
3516 | clientinfo.client = client; |
3517 | clientinfo.prefix = (xConnSetupPrefix *) NULL((void*)0); |
3518 | clientinfo.setup = (xConnSetup *) NULL((void*)0); |
3519 | CallCallbacks((&ClientStateCallback), (void *) &clientinfo); |
3520 | } |
3521 | return client; |
3522 | } |
3523 | |
3524 | int |
3525 | ProcInitialConnection(ClientPtr client) |
3526 | { |
3527 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; |
3528 | xConnClientPrefix *prefix; |
3529 | int whichbyte = 1; |
3530 | char order; |
3531 | |
3532 | prefix = (xConnClientPrefix *) ((char *)stuff + sz_xReq4); |
3533 | order = prefix->byteOrder; |
3534 | if (order != 'l' && order != 'B' && order != 'r' && order != 'R') |
3535 | return client->noClientException = -1; |
3536 | if (((*(char *) &whichbyte) && (order == 'B' || order == 'R')) || |
3537 | (!(*(char *) &whichbyte) && (order == 'l' || order == 'r'))) { |
3538 | client->swapped = TRUE1; |
3539 | SwapConnClientPrefix(prefix); |
3540 | } |
3541 | stuff->reqType = 2; |
3542 | stuff->length += bytes_to_int32(prefix->nbytesAuthProto) + |
3543 | bytes_to_int32(prefix->nbytesAuthString); |
3544 | if (client->swapped) { |
3545 | swaps(&stuff->length)do { if (sizeof(*(&stuff->length)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&stuff->length) & 1) && ((uintptr_t)(&stuff->length) & 1) == 0) *(&stuff->length) = lswaps(*(&stuff->length )); else swap_uint16((uint16_t *)(&stuff->length)); } while (0); |
3546 | } |
3547 | if (order == 'r' || order == 'R') { |
3548 | client->local = FALSE0; |
3549 | } |
3550 | ResetCurrentRequest(client); |
3551 | return Success0; |
3552 | } |
3553 | |
3554 | static int |
3555 | SendConnSetup(ClientPtr client, const char *reason) |
3556 | { |
3557 | xWindowRoot *root; |
3558 | int i; |
3559 | int numScreens; |
3560 | char *lConnectionInfo; |
3561 | xConnSetupPrefix *lconnSetupPrefix; |
3562 | |
3563 | if (reason) { |
3564 | xConnSetupPrefix csp; |
3565 | |
3566 | csp.success = xFalse0; |
3567 | csp.lengthReason = strlen(reason); |
3568 | csp.length = bytes_to_int32(csp.lengthReason); |
3569 | csp.majorVersion = X_PROTOCOL11; |
3570 | csp.minorVersion = X_PROTOCOL_REVISION0; |
3571 | if (client->swapped) |
3572 | WriteSConnSetupPrefix(client, &csp); |
3573 | else |
3574 | WriteToClient(client, sz_xConnSetupPrefix8, &csp); |
3575 | WriteToClient(client, (int) csp.lengthReason, reason); |
3576 | return client->noClientException = -1; |
3577 | } |
3578 | |
3579 | numScreens = screenInfo.numScreens; |
Value stored to 'numScreens' is never read | |
3580 | lConnectionInfo = ConnectionInfo; |
3581 | lconnSetupPrefix = &connSetupPrefix; |
3582 | |
3583 | /* We're about to start speaking X protocol back to the client by |
3584 | * sending the connection setup info. This means the authorization |
3585 | * step is complete, and we can count the client as an |
3586 | * authorized one. |
3587 | */ |
3588 | nClients++; |
3589 | |
3590 | client->requestVector = client->swapped ? SwappedProcVector : ProcVector; |
3591 | client->sequence = 0; |
3592 | ((xConnSetup *) lConnectionInfo)->ridBase = client->clientAsMask; |
3593 | ((xConnSetup *) lConnectionInfo)->ridMask = RESOURCE_ID_MASK((1 << (29 - 8)) - 1); |
3594 | #ifdef MATCH_CLIENT_ENDIAN |
3595 | ((xConnSetup *) lConnectionInfo)->imageByteOrder = ClientOrder(client); |
3596 | ((xConnSetup *) lConnectionInfo)->bitmapBitOrder = ClientOrder(client); |
3597 | #endif |
3598 | /* fill in the "currentInputMask" */ |
3599 | root = (xWindowRoot *) (lConnectionInfo + connBlockScreenStart); |
3600 | #ifdef PANORAMIX1 |
3601 | if (noPanoramiXExtension) |
3602 | numScreens = screenInfo.numScreens; |
3603 | else |
3604 | numScreens = ((xConnSetup *) ConnectionInfo)->numRoots; |
3605 | #endif |
3606 | |
3607 | for (i = 0; i < numScreens; i++) { |
3608 | unsigned int j; |
3609 | xDepth *pDepth; |
3610 | WindowPtr pRoot = screenInfo.screens[i]->root; |
3611 | |
3612 | root->currentInputMask = pRoot->eventMask | wOtherEventMasks(pRoot)((pRoot)->optional ? (pRoot)->optional->otherEventMasks : 0); |
3613 | pDepth = (xDepth *) (root + 1); |
3614 | for (j = 0; j < root->nDepths; j++) { |
3615 | pDepth = (xDepth *) (((char *) (pDepth + 1)) + |
3616 | pDepth->nVisuals * sizeof(xVisualType)); |
3617 | } |
3618 | root = (xWindowRoot *) pDepth; |
3619 | } |
3620 | |
3621 | if (client->swapped) { |
3622 | WriteSConnSetupPrefix(client, lconnSetupPrefix); |
3623 | WriteSConnectionInfo(client, |
3624 | (unsigned long) (lconnSetupPrefix->length << 2), |
3625 | lConnectionInfo); |
3626 | } |
3627 | else { |
3628 | WriteToClient(client, sizeof(xConnSetupPrefix), lconnSetupPrefix); |
3629 | WriteToClient(client, (int) (lconnSetupPrefix->length << 2), |
3630 | lConnectionInfo); |
3631 | } |
3632 | client->clientState = ClientStateRunning; |
3633 | if (ClientStateCallback) { |
3634 | NewClientInfoRec clientinfo; |
3635 | |
3636 | clientinfo.client = client; |
3637 | clientinfo.prefix = lconnSetupPrefix; |
3638 | clientinfo.setup = (xConnSetup *) lConnectionInfo; |
3639 | CallCallbacks((&ClientStateCallback), (void *) &clientinfo); |
3640 | } |
3641 | return Success0; |
3642 | } |
3643 | |
3644 | int |
3645 | ProcEstablishConnection(ClientPtr client) |
3646 | { |
3647 | const char *reason; |
3648 | char *auth_proto, *auth_string; |
3649 | xConnClientPrefix *prefix; |
3650 | |
3651 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; |
3652 | |
3653 | prefix = (xConnClientPrefix *) ((char *) stuff + sz_xReq4); |
3654 | auth_proto = (char *) prefix + sz_xConnClientPrefix12; |
3655 | auth_string = auth_proto + pad_to_int32(prefix->nbytesAuthProto); |
3656 | if ((prefix->majorVersion != X_PROTOCOL11) || |
3657 | (prefix->minorVersion != X_PROTOCOL_REVISION0)) |
3658 | reason = "Protocol version mismatch"; |
3659 | else |
3660 | reason = ClientAuthorized(client, |
3661 | (unsigned short) prefix->nbytesAuthProto, |
3662 | auth_proto, |
3663 | (unsigned short) prefix->nbytesAuthString, |
3664 | auth_string); |
3665 | |
3666 | return (SendConnSetup(client, reason)); |
3667 | } |
3668 | |
3669 | void |
3670 | SendErrorToClient(ClientPtr client, unsigned majorCode, unsigned minorCode, |
3671 | XID resId, int errorCode) |
3672 | { |
3673 | xError rep = { |
3674 | .type = X_Error0, |
3675 | .errorCode = errorCode, |
3676 | .resourceID = resId, |
3677 | .minorCode = minorCode, |
3678 | .majorCode = majorCode |
3679 | }; |
3680 | |
3681 | WriteEventsToClient(client, 1, (xEvent *) &rep); |
3682 | } |
3683 | |
3684 | void |
3685 | MarkClientException(ClientPtr client) |
3686 | { |
3687 | client->noClientException = -1; |
3688 | } |
3689 | |
3690 | /* |
3691 | * This array encodes the answer to the question "what is the log base 2 |
3692 | * of the number of pixels that fit in a scanline pad unit?" |
3693 | * Note that ~0 is an invalid entry (mostly for the benefit of the reader). |
3694 | */ |
3695 | static int answer[6][4] = { |
3696 | /* pad pad pad pad */ |
3697 | /* 8 16 32 64 */ |
3698 | |
3699 | {3, 4, 5, 6}, /* 1 bit per pixel */ |
3700 | {1, 2, 3, 4}, /* 4 bits per pixel */ |
3701 | {0, 1, 2, 3}, /* 8 bits per pixel */ |
3702 | {~0, 0, 1, 2}, /* 16 bits per pixel */ |
3703 | {~0, ~0, 0, 1}, /* 24 bits per pixel */ |
3704 | {~0, ~0, 0, 1} /* 32 bits per pixel */ |
3705 | }; |
3706 | |
3707 | /* |
3708 | * This array gives the answer to the question "what is the first index for |
3709 | * the answer array above given the number of bits per pixel?" |
3710 | * Note that ~0 is an invalid entry (mostly for the benefit of the reader). |
3711 | */ |
3712 | static int indexForBitsPerPixel[33] = { |
3713 | ~0, 0, ~0, ~0, /* 1 bit per pixel */ |
3714 | 1, ~0, ~0, ~0, /* 4 bits per pixel */ |
3715 | 2, ~0, ~0, ~0, /* 8 bits per pixel */ |
3716 | ~0, ~0, ~0, ~0, |
3717 | 3, ~0, ~0, ~0, /* 16 bits per pixel */ |
3718 | ~0, ~0, ~0, ~0, |
3719 | 4, ~0, ~0, ~0, /* 24 bits per pixel */ |
3720 | ~0, ~0, ~0, ~0, |
3721 | 5 /* 32 bits per pixel */ |
3722 | }; |
3723 | |
3724 | /* |
3725 | * This array gives the bytesperPixel value for cases where the number |
3726 | * of bits per pixel is a multiple of 8 but not a power of 2. |
3727 | */ |
3728 | static int answerBytesPerPixel[33] = { |
3729 | ~0, 0, ~0, ~0, /* 1 bit per pixel */ |
3730 | 0, ~0, ~0, ~0, /* 4 bits per pixel */ |
3731 | 0, ~0, ~0, ~0, /* 8 bits per pixel */ |
3732 | ~0, ~0, ~0, ~0, |
3733 | 0, ~0, ~0, ~0, /* 16 bits per pixel */ |
3734 | ~0, ~0, ~0, ~0, |
3735 | 3, ~0, ~0, ~0, /* 24 bits per pixel */ |
3736 | ~0, ~0, ~0, ~0, |
3737 | 0 /* 32 bits per pixel */ |
3738 | }; |
3739 | |
3740 | /* |
3741 | * This array gives the answer to the question "what is the second index for |
3742 | * the answer array above given the number of bits per scanline pad unit?" |
3743 | * Note that ~0 is an invalid entry (mostly for the benefit of the reader). |
3744 | */ |
3745 | static int indexForScanlinePad[65] = { |
3746 | ~0, ~0, ~0, ~0, |
3747 | ~0, ~0, ~0, ~0, |
3748 | 0, ~0, ~0, ~0, /* 8 bits per scanline pad unit */ |
3749 | ~0, ~0, ~0, ~0, |
3750 | 1, ~0, ~0, ~0, /* 16 bits per scanline pad unit */ |
3751 | ~0, ~0, ~0, ~0, |
3752 | ~0, ~0, ~0, ~0, |
3753 | ~0, ~0, ~0, ~0, |
3754 | 2, ~0, ~0, ~0, /* 32 bits per scanline pad unit */ |
3755 | ~0, ~0, ~0, ~0, |
3756 | ~0, ~0, ~0, ~0, |
3757 | ~0, ~0, ~0, ~0, |
3758 | ~0, ~0, ~0, ~0, |
3759 | ~0, ~0, ~0, ~0, |
3760 | ~0, ~0, ~0, ~0, |
3761 | ~0, ~0, ~0, ~0, |
3762 | 3 /* 64 bits per scanline pad unit */ |
3763 | }; |
3764 | |
3765 | /* |
3766 | grow the array of screenRecs if necessary. |
3767 | call the device-supplied initialization procedure |
3768 | with its screen number, a pointer to its ScreenRec, argc, and argv. |
3769 | return the number of successfully installed screens. |
3770 | |
3771 | */ |
3772 | |
3773 | static int init_screen(ScreenPtr pScreen, int i, Bool gpu) |
3774 | { |
3775 | int scanlinepad, format, depth, bitsPerPixel, j, k; |
3776 | |
3777 | dixInitScreenSpecificPrivates(pScreen); |
3778 | |
3779 | if (!dixAllocatePrivates(&pScreen->devPrivates, PRIVATE_SCREEN)) { |
3780 | return -1; |
3781 | } |
3782 | pScreen->myNum = i; |
3783 | if (gpu) { |
3784 | pScreen->myNum += GPU_SCREEN_OFFSET256; |
3785 | pScreen->isGPU = TRUE1; |
3786 | } |
3787 | pScreen->totalPixmapSize = 0; /* computed in CreateScratchPixmapForScreen */ |
3788 | pScreen->ClipNotify = 0; /* for R4 ddx compatibility */ |
3789 | pScreen->CreateScreenResources = 0; |
3790 | |
3791 | xorg_list_init(&pScreen->pixmap_dirty_list); |
3792 | xorg_list_init(&pScreen->unattached_list); |
3793 | xorg_list_init(&pScreen->output_slave_list); |
3794 | xorg_list_init(&pScreen->offload_slave_list); |
3795 | |
3796 | /* |
3797 | * This loop gets run once for every Screen that gets added, |
3798 | * but thats ok. If the ddx layer initializes the formats |
3799 | * one at a time calling AddScreen() after each, then each |
3800 | * iteration will make it a little more accurate. Worst case |
3801 | * we do this loop N * numPixmapFormats where N is # of screens. |
3802 | * Anyway, this must be called after InitOutput and before the |
3803 | * screen init routine is called. |
3804 | */ |
3805 | for (format = 0; format < screenInfo.numPixmapFormats; format++) { |
3806 | depth = screenInfo.formats[format].depth; |
3807 | bitsPerPixel = screenInfo.formats[format].bitsPerPixel; |
3808 | scanlinepad = screenInfo.formats[format].scanlinePad; |
3809 | j = indexForBitsPerPixel[bitsPerPixel]; |
3810 | k = indexForScanlinePad[scanlinepad]; |
3811 | PixmapWidthPaddingInfo[depth].padPixelsLog2 = answer[j][k]; |
3812 | PixmapWidthPaddingInfo[depth].padRoundUp = |
3813 | (scanlinepad / bitsPerPixel) - 1; |
3814 | j = indexForBitsPerPixel[8]; /* bits per byte */ |
3815 | PixmapWidthPaddingInfo[depth].padBytesLog2 = answer[j][k]; |
3816 | PixmapWidthPaddingInfo[depth].bitsPerPixel = bitsPerPixel; |
3817 | if (answerBytesPerPixel[bitsPerPixel]) { |
3818 | PixmapWidthPaddingInfo[depth].notPower2 = 1; |
3819 | PixmapWidthPaddingInfo[depth].bytesPerPixel = |
3820 | answerBytesPerPixel[bitsPerPixel]; |
3821 | } |
3822 | else { |
3823 | PixmapWidthPaddingInfo[depth].notPower2 = 0; |
3824 | } |
3825 | } |
3826 | return 0; |
3827 | } |
3828 | |
3829 | int |
3830 | AddScreen(Bool (*pfnInit) (ScreenPtr /*pScreen */ , |
3831 | int /*argc */ , |
3832 | char ** /*argv */ |
3833 | ), int argc, char **argv) |
3834 | { |
3835 | |
3836 | int i; |
3837 | ScreenPtr pScreen; |
3838 | Bool ret; |
3839 | |
3840 | i = screenInfo.numScreens; |
3841 | if (i == MAXSCREENS16) |
3842 | return -1; |
3843 | |
3844 | pScreen = (ScreenPtr) calloc(1, sizeof(ScreenRec)); |
3845 | if (!pScreen) |
3846 | return -1; |
3847 | |
3848 | ret = init_screen(pScreen, i, FALSE0); |
3849 | if (ret != 0) { |
3850 | free(pScreen); |
3851 | return ret; |
3852 | } |
3853 | /* This is where screen specific stuff gets initialized. Load the |
3854 | screen structure, call the hardware, whatever. |
3855 | This is also where the default colormap should be allocated and |
3856 | also pixel values for blackPixel, whitePixel, and the cursor |
3857 | Note that InitScreen is NOT allowed to modify argc, argv, or |
3858 | any of the strings pointed to by argv. They may be passed to |
3859 | multiple screens. |
3860 | */ |
3861 | screenInfo.screens[i] = pScreen; |
3862 | screenInfo.numScreens++; |
3863 | if (!(*pfnInit) (pScreen, argc, argv)) { |
3864 | dixFreeScreenSpecificPrivates(pScreen); |
3865 | dixFreePrivates(pScreen->devPrivates, PRIVATE_SCREEN); |
3866 | free(pScreen); |
3867 | screenInfo.numScreens--; |
3868 | return -1; |
3869 | } |
3870 | |
3871 | update_desktop_dimensions(); |
3872 | |
3873 | dixRegisterScreenPrivateKey(&cursorScreenDevPriv, pScreen, PRIVATE_CURSOR, |
3874 | 0); |
3875 | |
3876 | return i; |
3877 | } |
3878 | |
3879 | int |
3880 | AddGPUScreen(Bool (*pfnInit) (ScreenPtr /*pScreen */ , |
3881 | int /*argc */ , |
3882 | char ** /*argv */ |
3883 | ), |
3884 | int argc, char **argv) |
3885 | { |
3886 | int i; |
3887 | ScreenPtr pScreen; |
3888 | Bool ret; |
3889 | |
3890 | i = screenInfo.numGPUScreens; |
3891 | if (i == MAXGPUSCREENS16) |
3892 | return -1; |
3893 | |
3894 | pScreen = (ScreenPtr) calloc(1, sizeof(ScreenRec)); |
3895 | if (!pScreen) |
3896 | return -1; |
3897 | |
3898 | ret = init_screen(pScreen, i, TRUE1); |
3899 | if (ret != 0) { |
3900 | free(pScreen); |
3901 | return ret; |
3902 | } |
3903 | |
3904 | /* This is where screen specific stuff gets initialized. Load the |
3905 | screen structure, call the hardware, whatever. |
3906 | This is also where the default colormap should be allocated and |
3907 | also pixel values for blackPixel, whitePixel, and the cursor |
3908 | Note that InitScreen is NOT allowed to modify argc, argv, or |
3909 | any of the strings pointed to by argv. They may be passed to |
3910 | multiple screens. |
3911 | */ |
3912 | screenInfo.gpuscreens[i] = pScreen; |
3913 | screenInfo.numGPUScreens++; |
3914 | if (!(*pfnInit) (pScreen, argc, argv)) { |
3915 | dixFreePrivates(pScreen->devPrivates, PRIVATE_SCREEN); |
3916 | free(pScreen); |
3917 | screenInfo.numGPUScreens--; |
3918 | return -1; |
3919 | } |
3920 | |
3921 | update_desktop_dimensions(); |
3922 | |
3923 | return i; |
3924 | } |
3925 | |
3926 | void |
3927 | RemoveGPUScreen(ScreenPtr pScreen) |
3928 | { |
3929 | int idx, j; |
3930 | if (!pScreen->isGPU) |
3931 | return; |
3932 | |
3933 | idx = pScreen->myNum - GPU_SCREEN_OFFSET256; |
3934 | for (j = idx; j < screenInfo.numGPUScreens - 1; j++) { |
3935 | screenInfo.gpuscreens[j] = screenInfo.gpuscreens[j + 1]; |
3936 | screenInfo.gpuscreens[j]->myNum = j + GPU_SCREEN_OFFSET256; |
3937 | } |
3938 | screenInfo.numGPUScreens--; |
3939 | |
3940 | /* this gets freed later in the resource list, but without |
3941 | * the screen existing it causes crashes - so remove it here */ |
3942 | if (pScreen->defColormap) |
3943 | FreeResource(pScreen->defColormap, RT_COLORMAP((RESTYPE)6)); |
3944 | free(pScreen); |
3945 | |
3946 | } |
3947 | |
3948 | void |
3949 | AttachUnboundGPU(ScreenPtr pScreen, ScreenPtr new) |
3950 | { |
3951 | assert(new->isGPU)(__builtin_expect(!(new->isGPU), 0) ? __assert_rtn(__func__ , "dispatch.c", 3951, "new->isGPU") : (void)0); |
3952 | assert(!new->current_master)(__builtin_expect(!(!new->current_master), 0) ? __assert_rtn (__func__, "dispatch.c", 3952, "!new->current_master") : ( void)0); |
3953 | xorg_list_add(&new->unattached_head, &pScreen->unattached_list); |
3954 | new->current_master = pScreen; |
3955 | } |
3956 | |
3957 | void |
3958 | DetachUnboundGPU(ScreenPtr slave) |
3959 | { |
3960 | assert(slave->isGPU)(__builtin_expect(!(slave->isGPU), 0) ? __assert_rtn(__func__ , "dispatch.c", 3960, "slave->isGPU") : (void)0); |
3961 | xorg_list_del(&slave->unattached_head); |
3962 | slave->current_master = NULL((void*)0); |
3963 | } |
3964 | |
3965 | void |
3966 | AttachOutputGPU(ScreenPtr pScreen, ScreenPtr new) |
3967 | { |
3968 | assert(new->isGPU)(__builtin_expect(!(new->isGPU), 0) ? __assert_rtn(__func__ , "dispatch.c", 3968, "new->isGPU") : (void)0); |
3969 | xorg_list_add(&new->output_head, &pScreen->output_slave_list); |
3970 | new->current_master = pScreen; |
3971 | } |
3972 | |
3973 | void |
3974 | DetachOutputGPU(ScreenPtr slave) |
3975 | { |
3976 | assert(slave->isGPU)(__builtin_expect(!(slave->isGPU), 0) ? __assert_rtn(__func__ , "dispatch.c", 3976, "slave->isGPU") : (void)0); |
3977 | xorg_list_del(&slave->output_head); |
3978 | slave->current_master = NULL((void*)0); |
3979 | } |
3980 | |
3981 | void |
3982 | AttachOffloadGPU(ScreenPtr pScreen, ScreenPtr new) |
3983 | { |
3984 | assert(new->isGPU)(__builtin_expect(!(new->isGPU), 0) ? __assert_rtn(__func__ , "dispatch.c", 3984, "new->isGPU") : (void)0); |
3985 | xorg_list_add(&new->offload_head, &pScreen->offload_slave_list); |
3986 | new->current_master = pScreen; |
3987 | } |
3988 | |
3989 | void |
3990 | DetachOffloadGPU(ScreenPtr slave) |
3991 | { |
3992 | assert(slave->isGPU)(__builtin_expect(!(slave->isGPU), 0) ? __assert_rtn(__func__ , "dispatch.c", 3992, "slave->isGPU") : (void)0); |
3993 | xorg_list_del(&slave->offload_head); |
3994 | slave->current_master = NULL((void*)0); |
3995 | } |
3996 |