| 1 | /* |
| 2 | Copyright (c) 2002 XFree86 Inc |
| 3 | */ |
| 4 | |
| 5 | #ifdef HAVE_DIX_CONFIG_H |
| 6 | #include <dix-config.h> |
| 7 | #endif |
| 8 | |
| 9 | #include <stdio.h> |
| 10 | #include <string.h> |
| 11 | #include <X11/X.h> |
| 12 | #include <X11/Xproto.h> |
| 13 | #include <assert.h> |
| 14 | #include "misc.h" |
| 15 | #include "os.h" |
| 16 | #include "dixstruct.h" |
| 17 | #include "extnsionst.h" |
| 18 | #include "swaprep.h" |
| 19 | #include "registry.h" |
| 20 | #include <X11/extensions/XResproto.h> |
| 21 | #include "pixmapstr.h" |
| 22 | #include "windowstr.h" |
| 23 | #include "gcstruct.h" |
| 24 | #include "extinit.h" |
| 25 | #include "protocol-versions.h" |
| 26 | #include "client.h" |
| 27 | #include "list.h" |
| 28 | #include "misc.h" |
| 29 | #include <string.h> |
| 30 | #include "hashtable.h" |
| 31 | #include "picturestr.h" |
| 32 | |
| 33 | #ifdef COMPOSITE |
| 34 | #include "compint.h" |
| 35 | #endif |
| 36 | |
| 37 | /** @brief Holds fragments of responses for ConstructClientIds. |
| 38 | * |
| 39 | * note: there is no consideration for data alignment */ |
| 40 | typedef struct { |
| 41 | struct xorg_list l; |
| 42 | int bytes; |
| 43 | /* data follows */ |
| 44 | } FragmentList; |
| 45 | |
| 46 | #define FRAGMENT_DATA(ptr) ((void*) ((char*) (ptr) + sizeof(FragmentList))) |
| 47 | |
| 48 | /** @brief Holds structure for the generated response to |
| 49 | ProcXResQueryClientIds; used by ConstructClientId* -functions */ |
| 50 | typedef struct { |
| 51 | int numIds; |
| 52 | int resultBytes; |
| 53 | struct xorg_list response; |
| 54 | int sentClientMasks[MAXCLIENTS]; |
| 55 | } ConstructClientIdCtx; |
| 56 | |
| 57 | /** @brief Holds the structure for information required to |
| 58 | generate the response to XResQueryResourceBytes. In addition |
| 59 | to response it contains information on the query as well, |
| 60 | as well as some volatile information required by a few |
| 61 | functions that cannot take that information directly |
| 62 | via a parameter, as they are called via already-existing |
| 63 | higher order functions. */ |
| 64 | typedef struct { |
| 65 | ClientPtr sendClient; |
| 66 | int numSizes; |
| 67 | int resultBytes; |
| 68 | struct xorg_list response; |
| 69 | int status; |
| 70 | long numSpecs; |
| 71 | xXResResourceIdSpec *specs; |
| 72 | HashTable visitedResources; |
| 73 | |
| 74 | /* Used by AddSubResourceSizeSpec when AddResourceSizeValue is |
| 75 | handling crossreferences */ |
| 76 | HashTable visitedSubResources; |
| 77 | |
| 78 | /* used when ConstructResourceBytesCtx is passed to |
| 79 | AddResourceSizeValue2 via FindClientResourcesByType */ |
| 80 | RESTYPE resType; |
| 81 | |
| 82 | /* used when ConstructResourceBytesCtx is passed to |
| 83 | AddResourceSizeValueByResource from ConstructResourceBytesByResource */ |
| 84 | xXResResourceIdSpec *curSpec; |
| 85 | |
| 86 | /** Used when iterating through a single resource's subresources |
| 87 | |
| 88 | @see AddSubResourceSizeSpec */ |
| 89 | xXResResourceSizeValue *sizeValue; |
| 90 | } ConstructResourceBytesCtx; |
| 91 | |
| 92 | /** @brief Allocate and add a sequence of bytes at the end of a fragment list. |
| 93 | Call DestroyFragments to release the list. |
| 94 | |
| 95 | @param frags A pointer to head of an initialized linked list |
| 96 | @param bytes Number of bytes to allocate |
| 97 | @return Returns a pointer to the allocated non-zeroed region |
| 98 | that is to be filled by the caller. On error (out of memory) |
| 99 | returns NULL and makes no changes to the list. |
| 100 | */ |
| 101 | static void * |
| 102 | AddFragment(struct xorg_list *frags, int bytes) |
| 103 | { |
| 104 | FragmentList *f = malloc(sizeof(FragmentList) + bytes); |
| 105 | if (!f) { |
| 106 | return NULL; |
| 107 | } else { |
| 108 | f->bytes = bytes; |
| 109 | xorg_list_add(&f->l, frags->prev); |
| 110 | return (char*) f + sizeof(*f); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | /** @brief Sends all fragments in the list to the client. Does not |
| 115 | free anything. |
| 116 | |
| 117 | @param client The client to send the fragments to |
| 118 | @param frags The head of the list of fragments |
| 119 | */ |
| 120 | static void |
| 121 | WriteFragmentsToClient(ClientPtr client, struct xorg_list *frags) |
| 122 | { |
| 123 | FragmentList *it; |
| 124 | xorg_list_for_each_entry(it, frags, l) { |
| 125 | WriteToClient(client, it->bytes, (char*) it + sizeof(*it)); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | /** @brief Frees a list of fragments. Does not free() root node. |
| 130 | |
| 131 | @param frags The head of the list of fragments |
| 132 | */ |
| 133 | static void |
| 134 | DestroyFragments(struct xorg_list *frags) |
| 135 | { |
| 136 | FragmentList *it, *tmp; |
| 137 | xorg_list_for_each_entry_safe(it, tmp, frags, l) { |
| 138 | xorg_list_del(&it->l); |
| 139 | free(it); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | /** @brief Constructs a context record for ConstructClientId* functions |
| 144 | to use */ |
| 145 | static void |
| 146 | InitConstructClientIdCtx(ConstructClientIdCtx *ctx) |
| 147 | { |
| 148 | ctx->numIds = 0; |
| 149 | ctx->resultBytes = 0; |
| 150 | xorg_list_init(&ctx->response); |
| 151 | memset(ctx->sentClientMasks, 0, sizeof(ctx->sentClientMasks)); |
| 152 | } |
| 153 | |
| 154 | /** @brief Destroys a context record, releases all memory (except the storage |
| 155 | for *ctx itself) */ |
| 156 | static void |
| 157 | DestroyConstructClientIdCtx(ConstructClientIdCtx *ctx) |
| 158 | { |
| 159 | DestroyFragments(&ctx->response); |
| 160 | } |
| 161 | |
| 162 | static Bool |
| 163 | InitConstructResourceBytesCtx(ConstructResourceBytesCtx *ctx, |
| 164 | ClientPtr sendClient, |
| 165 | long numSpecs, |
| 166 | xXResResourceIdSpec *specs) |
| 167 | { |
| 168 | ctx->sendClient = sendClient; |
| 169 | ctx->numSizes = 0; |
| 170 | ctx->resultBytes = 0; |
| 171 | xorg_list_init(&ctx->response); |
| 172 | ctx->status = Success; |
| 173 | ctx->numSpecs = numSpecs; |
| 174 | ctx->specs = specs; |
| 175 | ctx->visitedResources = ht_create(sizeof(XID), 0, |
| 176 | ht_resourceid_hash, ht_resourceid_compare, |
| 177 | NULL); |
| 178 | |
| 179 | if (!ctx->visitedResources) { |
| 180 | return FALSE; |
| 181 | } else { |
| 182 | return TRUE; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | static void |
| 187 | DestroyConstructResourceBytesCtx(ConstructResourceBytesCtx *ctx) |
| 188 | { |
| 189 | DestroyFragments(&ctx->response); |
| 190 | ht_destroy(ctx->visitedResources); |
| 191 | } |
| 192 | |
| 193 | static int |
| 194 | ProcXResQueryVersion(ClientPtr client) |
| 195 | { |
| 196 | REQUEST(xXResQueryVersionReq); |
| 197 | xXResQueryVersionReply rep = { |
| 198 | .type = X_Reply, |
| 199 | .sequenceNumber = client->sequence, |
| 200 | .length = 0, |
| 201 | .server_major = SERVER_XRES_MAJOR_VERSION, |
| 202 | .server_minor = SERVER_XRES_MINOR_VERSION |
| 203 | }; |
| 204 | |
| 205 | REQUEST_SIZE_MATCH(xXResQueryVersionReq); |
| 206 | |
| 207 | if (client->swapped) { |
| 208 | swaps(&rep.sequenceNumber); |
| 209 | swapl(&rep.length); |
| 210 | swaps(&rep.server_major); |
| 211 | swaps(&rep.server_minor); |
| 212 | } |
| 213 | WriteToClient(client, sizeof(xXResQueryVersionReply), &rep); |
| 214 | return Success; |
| 215 | } |
| 216 | |
| 217 | static int |
| 218 | ProcXResQueryClients(ClientPtr client) |
| 219 | { |
| 220 | /* REQUEST(xXResQueryClientsReq); */ |
| 221 | xXResQueryClientsReply rep; |
| 222 | int *current_clients; |
| 223 | int i, num_clients; |
| 224 | |
| 225 | REQUEST_SIZE_MATCH(xXResQueryClientsReq); |
| 226 | |
| 227 | current_clients = malloc(currentMaxClients * sizeof(int)); |
| 228 | |
| 229 | num_clients = 0; |
| 230 | for (i = 0; i < currentMaxClients; i++) { |
| 231 | if (clients[i]) { |
| 232 | current_clients[num_clients] = i; |
| 233 | num_clients++; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | rep = (xXResQueryClientsReply) { |
| 238 | .type = X_Reply, |
| 239 | .sequenceNumber = client->sequence, |
| 240 | .length = bytes_to_int32(num_clients * sz_xXResClient), |
| 241 | .num_clients = num_clients |
| 242 | }; |
| 243 | if (client->swapped) { |
| 244 | swaps(&rep.sequenceNumber); |
| 245 | swapl(&rep.length); |
| 246 | swapl(&rep.num_clients); |
| 247 | } |
| 248 | WriteToClient(client, sizeof(xXResQueryClientsReply), &rep); |
| 249 | |
| 250 | if (num_clients) { |
| 251 | xXResClient scratch; |
| 252 | |
| 253 | for (i = 0; i < num_clients; i++) { |
| 254 | scratch.resource_base = clients[current_clients[i]]->clientAsMask; |
| 255 | scratch.resource_mask = RESOURCE_ID_MASK; |
| 256 | |
| 257 | if (client->swapped) { |
| 258 | swapl(&scratch.resource_base); |
| 259 | swapl(&scratch.resource_mask); |
| 260 | } |
| 261 | WriteToClient(client, sz_xXResClient, &scratch); |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | free(current_clients); |
| 266 | |
| 267 | return Success; |
| 268 | } |
| 269 | |
| 270 | static void |
| 271 | ResFindAllRes(pointer value, XID id, RESTYPE type, pointer cdata) |
| 272 | { |
| 273 | int *counts = (int *) cdata; |
| 274 | |
| 275 | counts[(type & TypeMask) - 1]++; |
| 276 | } |
| 277 | |
| 278 | static int |
| 279 | ProcXResQueryClientResources(ClientPtr client) |
| 280 | { |
| 281 | REQUEST(xXResQueryClientResourcesReq); |
| 282 | xXResQueryClientResourcesReply rep; |
| 283 | int i, clientID, num_types; |
| 284 | int *counts; |
| 285 | |
| 286 | REQUEST_SIZE_MATCH(xXResQueryClientResourcesReq); |
| 287 | |
| 288 | clientID = CLIENT_ID(stuff->xid); |
| 289 | |
| 290 | if ((clientID >= currentMaxClients) || !clients[clientID]) { |
| 291 | client->errorValue = stuff->xid; |
| 292 | return BadValue; |
| 293 | } |
| 294 | |
| 295 | counts = calloc(lastResourceType + 1, sizeof(int)); |
| 296 | |
| 297 | FindAllClientResources(clients[clientID], ResFindAllRes, counts); |
| 298 | |
| 299 | num_types = 0; |
| 300 | |
| 301 | for (i = 0; i <= lastResourceType; i++) { |
| 302 | if (counts[i]) |
| 303 | num_types++; |
| 304 | } |
| 305 | |
| 306 | rep = (xXResQueryClientResourcesReply) { |
| 307 | .type = X_Reply, |
| 308 | .sequenceNumber = client->sequence, |
| 309 | .length = bytes_to_int32(num_types * sz_xXResType), |
| 310 | .num_types = num_types |
| 311 | }; |
| 312 | if (client->swapped) { |
| 313 | swaps(&rep.sequenceNumber); |
| 314 | swapl(&rep.length); |
| 315 | swapl(&rep.num_types); |
| 316 | } |
| 317 | |
| 318 | WriteToClient(client, sizeof(xXResQueryClientResourcesReply), &rep); |
| 319 | |
| 320 | if (num_types) { |
| 321 | xXResType scratch; |
| 322 | const char *name; |
| 323 | |
| 324 | for (i = 0; i < lastResourceType; i++) { |
| 325 | if (!counts[i]) |
| 326 | continue; |
| 327 | |
| 328 | name = LookupResourceName(i + 1); |
| 329 | if (strcmp(name, XREGISTRY_UNKNOWN)) |
| 330 | scratch.resource_type = MakeAtom(name, strlen(name), TRUE); |
| 331 | else { |
| 332 | char buf[40]; |
| 333 | |
| 334 | snprintf(buf, sizeof(buf), "Unregistered resource %i", i + 1); |
| 335 | scratch.resource_type = MakeAtom(buf, strlen(buf), TRUE); |
| 336 | } |
| 337 | |
| 338 | scratch.count = counts[i]; |
| 339 | |
| 340 | if (client->swapped) { |
| 341 | swapl(&scratch.resource_type); |
| 342 | swapl(&scratch.count); |
| 343 | } |
| 344 | WriteToClient(client, sz_xXResType, &scratch); |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | free(counts); |
| 349 | |
| 350 | return Success; |
| 351 | } |
| 352 | |
| 353 | static unsigned long |
| 354 | ResGetApproxPixmapBytes(PixmapPtr pix) |
| 355 | { |
| 356 | unsigned long nPixels; |
| 357 | int bytesPerPixel; |
| 358 | |
| 359 | bytesPerPixel = pix->drawable.bitsPerPixel >> 3; |
| 360 | nPixels = pix->drawable.width * pix->drawable.height; |
| 361 | |
| 362 | /* Divide by refcnt as pixmap could be shared between clients, |
| 363 | * so total pixmap mem is shared between these. |
| 364 | */ |
| 365 | return (nPixels * bytesPerPixel) / pix->refcnt; |
| 366 | } |
| 367 | |
| 368 | static void |
| 369 | ResFindResourcePixmaps(pointer value, XID id, RESTYPE type, pointer cdata) |
| 370 | { |
| 371 | SizeType sizeFunc = GetResourceTypeSizeFunc(type); |
| 372 | ResourceSizeRec size = { 0, 0, 0 }; |
| 373 | unsigned long *bytes = cdata; |
| 374 | |
| 375 | sizeFunc(value, id, &size); |
| 376 | *bytes += size.pixmapRefSize; |
| 377 | } |
| 378 | |
| 379 | static void |
| 380 | ResFindPixmaps(pointer value, XID id, pointer cdata) |
| 381 | { |
| 382 | unsigned long *bytes = (unsigned long *) cdata; |
| 383 | PixmapPtr pix = (PixmapPtr) value; |
| 384 | |
| 385 | *bytes += ResGetApproxPixmapBytes(pix); |
| 386 | } |
| 387 | |
| 388 | static void |
| 389 | ResFindWindowPixmaps(pointer value, XID id, pointer cdata) |
| 390 | { |
| 391 | unsigned long *bytes = (unsigned long *) cdata; |
| 392 | WindowPtr pWin = (WindowPtr) value; |
| 393 | |
| 394 | if (pWin->backgroundState == BackgroundPixmap) |
| 395 | *bytes += ResGetApproxPixmapBytes(pWin->background.pixmap); |
| 396 | |
| 397 | if (pWin->border.pixmap != NULL && !pWin->borderIsPixel) |
| 398 | *bytes += ResGetApproxPixmapBytes(pWin->border.pixmap); |
| 399 | } |
| 400 | |
| 401 | static void |
| 402 | ResFindGCPixmaps(pointer value, XID id, pointer cdata) |
| 403 | { |
| 404 | unsigned long *bytes = (unsigned long *) cdata; |
| 405 | GCPtr pGC = (GCPtr) value; |
| 406 | |
| 407 | if (pGC->stipple != NULL) |
| 408 | *bytes += ResGetApproxPixmapBytes(pGC->stipple); |
| 409 | |
| 410 | if (pGC->tile.pixmap != NULL && !pGC->tileIsPixel) |
| 411 | *bytes += ResGetApproxPixmapBytes(pGC->tile.pixmap); |
| 412 | } |
| 413 | |
| 414 | static void |
| 415 | ResFindPicturePixmaps(pointer value, XID id, pointer cdata) |
| 416 | { |
| 417 | #ifdef RENDER |
| 418 | ResFindResourcePixmaps(value, id, PictureType, cdata); |
| 419 | #endif |
| 420 | } |
| 421 | |
| 422 | static void |
| 423 | ResFindCompositeClientWindowPixmaps (pointer value, XID id, pointer cdata) |
| 424 | { |
| 425 | #ifdef COMPOSITE |
| 426 | ResFindResourcePixmaps(value, id, CompositeClientWindowType, cdata); |
| 427 | #endif |
| 428 | } |
| 429 | |
| 430 | static int |
| 431 | ProcXResQueryClientPixmapBytes(ClientPtr client) |
| 432 | { |
| 433 | REQUEST(xXResQueryClientPixmapBytesReq); |
| 434 | xXResQueryClientPixmapBytesReply rep; |
| 435 | int clientID; |
| 436 | unsigned long bytes; |
| 437 | |
| 438 | REQUEST_SIZE_MATCH(xXResQueryClientPixmapBytesReq); |
| 439 | |
| 440 | clientID = CLIENT_ID(stuff->xid); |
| 441 | |
| 442 | if ((clientID >= currentMaxClients) || !clients[clientID]) { |
| 443 | client->errorValue = stuff->xid; |
| 444 | return BadValue; |
| 445 | } |
| 446 | |
| 447 | bytes = 0; |
| 448 | |
| 449 | FindClientResourcesByType(clients[clientID], RT_PIXMAP, ResFindPixmaps, |
| 450 | (pointer) (&bytes)); |
| 451 | |
| 452 | /* |
| 453 | * Make sure win background pixmaps also held to account. |
| 454 | */ |
| 455 | FindClientResourcesByType(clients[clientID], RT_WINDOW, |
| 456 | ResFindWindowPixmaps, (pointer) (&bytes)); |
| 457 | |
| 458 | /* |
| 459 | * GC Tile & Stipple pixmaps too. |
| 460 | */ |
| 461 | FindClientResourcesByType(clients[clientID], RT_GC, |
| 462 | ResFindGCPixmaps, (pointer) (&bytes)); |
| 463 | |
| 464 | #ifdef RENDER |
| 465 | /* Render extension picture pixmaps. */ |
| 466 | FindClientResourcesByType(clients[clientID], PictureType, |
| 467 | ResFindPicturePixmaps, |
| 468 | (pointer)(&bytes)); |
| 469 | #endif |
| 470 | |
| 471 | #ifdef COMPOSITE |
| 472 | /* Composite extension client window pixmaps. */ |
| 473 | FindClientResourcesByType(clients[clientID], CompositeClientWindowType, |
| 474 | ResFindCompositeClientWindowPixmaps, |
| 475 | (pointer)(&bytes)); |
| 476 | #endif |
| 477 | |
| 478 | rep = (xXResQueryClientPixmapBytesReply) { |
| 479 | .type = X_Reply, |
| 480 | .sequenceNumber = client->sequence, |
| 481 | .length = 0, |
| 482 | .bytes = bytes, |
| 483 | #ifdef _XSERVER64 |
| 484 | .bytes_overflow = bytes >> 32 |
| 485 | #else |
| 486 | .bytes_overflow = 0 |
| 487 | #endif |
| 488 | }; |
| 489 | if (client->swapped) { |
| 490 | swaps(&rep.sequenceNumber); |
| 491 | swapl(&rep.length); |
| 492 | swapl(&rep.bytes); |
| 493 | swapl(&rep.bytes_overflow); |
| 494 | } |
| 495 | WriteToClient(client, sizeof(xXResQueryClientPixmapBytesReply), &rep); |
| 496 | |
| 497 | return Success; |
| 498 | } |
| 499 | |
| 500 | /** @brief Finds out if a client's information need to be put into the |
| 501 | response; marks client having been handled, if that is the case. |
| 502 | |
| 503 | @param client The client to send information about |
| 504 | @param mask The request mask (0 to send everything, otherwise a |
| 505 | bitmask of X_XRes*Mask) |
| 506 | @param ctx The context record that tells which clients and id types |
| 507 | have been already handled |
| 508 | @param sendMask Which id type are we now considering. One of X_XRes*Mask. |
| 509 | |
| 510 | @return Returns TRUE if the client information needs to be on the |
| 511 | response, otherwise FALSE. |
| 512 | */ |
| 513 | static Bool |
| 514 | WillConstructMask(ClientPtr client, CARD32 mask, |
| 515 | ConstructClientIdCtx *ctx, int sendMask) |
| 516 | { |
| 517 | if ((!mask || (mask & sendMask)) |
| 518 | && !(ctx->sentClientMasks[client->index] & sendMask)) { |
| 519 | ctx->sentClientMasks[client->index] |= sendMask; |
| 520 | return TRUE; |
| 521 | } else { |
| 522 | return FALSE; |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | /** @brief Constructs a response about a single client, based on a certain |
| 527 | client id spec |
| 528 | |
| 529 | @param sendClient Which client wishes to receive this answer. Used for |
| 530 | byte endianess. |
| 531 | @param client Which client are we considering. |
| 532 | @param mask The client id spec mask indicating which information |
| 533 | we want about this client. |
| 534 | @param ctx The context record containing the constructed response |
| 535 | and information on which clients and masks have been |
| 536 | already handled. |
| 537 | |
| 538 | @return Return TRUE if everything went OK, otherwise FALSE which indicates |
| 539 | a memory allocation problem. |
| 540 | */ |
| 541 | static Bool |
| 542 | ConstructClientIdValue(ClientPtr sendClient, ClientPtr client, CARD32 mask, |
| 543 | ConstructClientIdCtx *ctx) |
| 544 | { |
| 545 | xXResClientIdValue rep; |
| 546 | |
| 547 | rep.spec.client = client->clientAsMask; |
| 548 | if (client->swapped) { |
| 549 | swapl (&rep.spec.client); |
| 550 | } |
| 551 | |
| 552 | if (WillConstructMask(client, mask, ctx, X_XResClientXIDMask)) { |
| 553 | void *ptr = AddFragment(&ctx->response, sizeof(rep)); |
| 554 | if (!ptr) { |
| 555 | return FALSE; |
| 556 | } |
| 557 | |
| 558 | rep.spec.mask = X_XResClientXIDMask; |
| 559 | rep.length = 0; |
| 560 | if (sendClient->swapped) { |
| 561 | swapl (&rep.spec.mask); |
| 562 | /* swapl (&rep.length, n); - not required for rep.length = 0 */ |
| 563 | } |
| 564 | |
| 565 | memcpy(ptr, &rep, sizeof(rep)); |
| 566 | |
| 567 | ctx->resultBytes += sizeof(rep); |
| 568 | ++ctx->numIds; |
| 569 | } |
| 570 | if (WillConstructMask(client, mask, ctx, X_XResLocalClientPIDMask)) { |
| 571 | pid_t pid = GetClientPid(client); |
| 572 | |
| 573 | if (pid != -1) { |
| 574 | void *ptr = AddFragment(&ctx->response, |
| 575 | sizeof(rep) + sizeof(CARD32)); |
| 576 | CARD32 *value = (void*) ((char*) ptr + sizeof(rep)); |
| 577 | |
| 578 | if (!ptr) { |
| 579 | return FALSE; |
| 580 | } |
| 581 | |
| 582 | rep.spec.mask = X_XResLocalClientPIDMask; |
| 583 | rep.length = 4; |
| 584 | |
| 585 | if (sendClient->swapped) { |
| 586 | swapl (&rep.spec.mask); |
| 587 | swapl (&rep.length); |
| 588 | } |
| 589 | |
| 590 | if (sendClient->swapped) { |
| 591 | swapl (value); |
| 592 | } |
| 593 | memcpy(ptr, &rep, sizeof(rep)); |
| 594 | *value = pid; |
| 595 | |
| 596 | ctx->resultBytes += sizeof(rep) + sizeof(CARD32); |
| 597 | ++ctx->numIds; |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | /* memory allocation errors earlier may return with FALSE */ |
| 602 | return TRUE; |
| 603 | } |
| 604 | |
| 605 | /** @brief Constructs a response about all clients, based on a client id specs |
| 606 | |
| 607 | @param client Which client which we are constructing the response for. |
| 608 | @param numSpecs Number of client id specs in specs |
| 609 | @param specs Client id specs |
| 610 | |
| 611 | @return Return Success if everything went OK, otherwise a Bad* (currently |
| 612 | BadAlloc or BadValue) |
| 613 | */ |
| 614 | static int |
| 615 | ConstructClientIds(ClientPtr client, |
| 616 | int numSpecs, xXResClientIdSpec* specs, |
| 617 | ConstructClientIdCtx *ctx) |
| 618 | { |
| 619 | int specIdx; |
| 620 | |
| 621 | for (specIdx = 0; specIdx < numSpecs; ++specIdx) { |
| 622 | if (specs[specIdx].client == 0) { |
| 623 | int c; |
| 624 | for (c = 0; c < currentMaxClients; ++c) { |
| 625 | if (clients[c]) { |
| 626 | if (!ConstructClientIdValue(client, clients[c], |
| 627 | specs[specIdx].mask, ctx)) { |
| 628 | return BadAlloc; |
| 629 | } |
| 630 | } |
| 631 | } |
| 632 | } else { |
| 633 | int clientID = CLIENT_ID(specs[specIdx].client); |
| 634 | |
| 635 | if ((clientID < currentMaxClients) && clients[clientID]) { |
| 636 | if (!ConstructClientIdValue(client, clients[clientID], |
| 637 | specs[specIdx].mask, ctx)) { |
| 638 | return BadAlloc; |
| 639 | } |
| 640 | } |
| 641 | } |
| 642 | } |
| 643 | |
| 644 | /* memory allocation errors earlier may return with BadAlloc */ |
| 645 | return Success; |
| 646 | } |
| 647 | |
| 648 | /** @brief Response to XResQueryClientIds request introduced in XResProto v1.2 |
| 649 | |
| 650 | @param client Which client which we are constructing the response for. |
| 651 | |
| 652 | @return Returns the value returned from ConstructClientIds with the same |
| 653 | semantics |
| 654 | */ |
| 655 | static int |
| 656 | ProcXResQueryClientIds (ClientPtr client) |
| 657 | { |
| 658 | REQUEST(xXResQueryClientIdsReq); |
| 659 | |
| 660 | xXResClientIdSpec *specs = (void*) ((char*) stuff + sizeof(*stuff)); |
| 661 | int rc; |
| 662 | ConstructClientIdCtx ctx; |
| 663 | |
| 664 | InitConstructClientIdCtx(&ctx); |
| 665 | |
| 666 | REQUEST_AT_LEAST_SIZE(xXResQueryClientIdsReq); |
| 667 | REQUEST_FIXED_SIZE(xXResQueryClientIdsReq, |
| 668 | stuff->numSpecs * sizeof(specs[0])); |
| 669 | |
| 670 | rc = ConstructClientIds(client, stuff->numSpecs, specs, &ctx); |
| 671 | |
| 672 | if (rc == Success) { |
| 673 | xXResQueryClientIdsReply rep = { |
| 674 | .type = X_Reply, |
| 675 | .sequenceNumber = client->sequence, |
| 676 | .length = bytes_to_int32(ctx.resultBytes), |
| 677 | .numIds = ctx.numIds |
| 678 | }; |
| 679 | |
| 680 | assert((ctx.resultBytes & 3) == 0); |
| 681 | |
| 682 | if (client->swapped) { |
| 683 | swaps (&rep.sequenceNumber); |
| 684 | swapl (&rep.length); |
| 685 | swapl (&rep.numIds); |
| 686 | } |
| 687 | |
| 688 | WriteToClient(client, sizeof(rep), &rep); |
| 689 | WriteFragmentsToClient(client, &ctx.response); |
| 690 | } |
| 691 | |
| 692 | DestroyConstructClientIdCtx(&ctx); |
| 693 | |
| 694 | return rc; |
| 695 | } |
| 696 | |
| 697 | /** @brief Swaps xXResResourceIdSpec endianess */ |
| 698 | static void |
| 699 | SwapXResResourceIdSpec(xXResResourceIdSpec *spec) |
| 700 | { |
| 701 | swapl(&spec->resource); |
| 702 | swapl(&spec->type); |
| 703 | } |
| 704 | |
| 705 | /** @brief Swaps xXResResourceSizeSpec endianess */ |
| 706 | static void |
| 707 | SwapXResResourceSizeSpec(xXResResourceSizeSpec *size) |
| 708 | { |
| 709 | SwapXResResourceIdSpec(&size->spec); |
| 710 | swapl(&size->bytes); |
| 711 | swapl(&size->refCount); |
| 712 | swapl(&size->useCount); |
| 713 | } |
| 714 | |
| 715 | /** @brief Swaps xXResResourceSizeValue endianess */ |
| 716 | static void |
| 717 | SwapXResResourceSizeValue(xXResResourceSizeValue *rep) |
| 718 | { |
| 719 | SwapXResResourceSizeSpec(&rep->size); |
| 720 | swapl(&rep->numCrossReferences); |
| 721 | } |
| 722 | |
| 723 | /** @brief Swaps the response bytes */ |
| 724 | static void |
| 725 | SwapXResQueryResourceBytes(struct xorg_list *response) |
| 726 | { |
| 727 | struct xorg_list *it = response->next; |
| 728 | int c; |
| 729 | |
| 730 | while (it != response) { |
| 731 | xXResResourceSizeValue *value = FRAGMENT_DATA(it); |
| 732 | it = it->next; |
| 733 | for (c = 0; c < value->numCrossReferences; ++c) { |
| 734 | xXResResourceSizeSpec *spec = FRAGMENT_DATA(it); |
| 735 | SwapXResResourceSizeSpec(spec); |
| 736 | it = it->next; |
| 737 | } |
| 738 | SwapXResResourceSizeValue(value); |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | /** @brief Adds xXResResourceSizeSpec describing a resource's size into |
| 743 | the buffer contained in the context. The resource is considered |
| 744 | to be a subresource. |
| 745 | |
| 746 | @see AddResourceSizeValue |
| 747 | |
| 748 | @param[in] value The X resource object on which to add information |
| 749 | about to the buffer |
| 750 | @param[in] id The ID of the X resource |
| 751 | @param[in] type The type of the X resource |
| 752 | @param[in/out] cdata The context object of type ConstructResourceBytesCtx. |
| 753 | Void pointer type is used here to satisfy the type |
| 754 | FindRes |
| 755 | */ |
| 756 | static void |
| 757 | AddSubResourceSizeSpec(pointer value, |
| 758 | XID id, |
| 759 | RESTYPE type, |
| 760 | pointer cdata) |
| 761 | { |
| 762 | ConstructResourceBytesCtx *ctx = cdata; |
| 763 | |
| 764 | if (ctx->status == Success) { |
| 765 | xXResResourceSizeSpec **prevCrossRef = |
| 766 | ht_find(ctx->visitedSubResources, &value); |
| 767 | if (!prevCrossRef) { |
| 768 | Bool ok = TRUE; |
| 769 | xXResResourceSizeSpec *crossRef = |
| 770 | AddFragment(&ctx->response, sizeof(xXResResourceSizeSpec)); |
| 771 | ok = ok && crossRef != NULL; |
| 772 | if (ok) { |
| 773 | xXResResourceSizeSpec **p; |
| 774 | p = ht_add(ctx->visitedSubResources, &value); |
| 775 | if (!p) { |
| 776 | ok = FALSE; |
| 777 | } else { |
| 778 | *p = crossRef; |
| 779 | } |
| 780 | } |
| 781 | if (!ok) { |
| 782 | ctx->status = BadAlloc; |
| 783 | } else { |
| 784 | SizeType sizeFunc = GetResourceTypeSizeFunc(type); |
| 785 | ResourceSizeRec size = { 0, 0, 0 }; |
| 786 | sizeFunc(value, id, &size); |
| 787 | |
| 788 | crossRef->spec.resource = id; |
| 789 | crossRef->spec.type = type; |
| 790 | crossRef->bytes = size.resourceSize; |
| 791 | crossRef->refCount = size.refCnt; |
| 792 | crossRef->useCount = 1; |
| 793 | |
| 794 | ++ctx->sizeValue->numCrossReferences; |
| 795 | |
| 796 | ctx->resultBytes += sizeof(*crossRef); |
| 797 | } |
| 798 | } else { |
| 799 | /* if we have visited the subresource earlier (from current parent |
| 800 | resource), just increase its use count by one */ |
| 801 | ++(*prevCrossRef)->useCount; |
| 802 | } |
| 803 | } |
| 804 | } |
| 805 | |
| 806 | /** @brief Adds xXResResourceSizeValue describing a resource's size into |
| 807 | the buffer contained in the context. In addition, the |
| 808 | subresources are iterated and added as xXResResourceSizeSpec's |
| 809 | by using AddSubResourceSizeSpec |
| 810 | |
| 811 | @see AddSubResourceSizeSpec |
| 812 | |
| 813 | @param[in] value The X resource object on which to add information |
| 814 | about to the buffer |
| 815 | @param[in] id The ID of the X resource |
| 816 | @param[in] type The type of the X resource |
| 817 | @param[in/out] cdata The context object of type ConstructResourceBytesCtx. |
| 818 | Void pointer type is used here to satisfy the type |
| 819 | FindRes |
| 820 | */ |
| 821 | static void |
| 822 | AddResourceSizeValue(pointer ptr, XID id, RESTYPE type, pointer cdata) |
| 823 | { |
| 824 | ConstructResourceBytesCtx *ctx = cdata; |
| 825 | if (ctx->status == Success && |
| 826 | !ht_find(ctx->visitedResources, &id)) { |
| 827 | Bool ok = TRUE; |
| 828 | HashTable ht; |
| 829 | HtGenericHashSetupRec htSetup = { |
| 830 | .keySize = sizeof(void*) |
| 831 | }; |
| 832 | |
| 833 | /* it doesn't matter that we don't undo the work done here |
| 834 | * immediately. All but ht_init will be undone at the end |
| 835 | * of the request and there can happen no failure after |
| 836 | * ht_init, so we don't need to clean it up here in any |
| 837 | * special way */ |
| 838 | |
| 839 | xXResResourceSizeValue *value = |
| 840 | AddFragment(&ctx->response, sizeof(xXResResourceSizeValue)); |
| 841 | if (!value) { |
| 842 | ok = FALSE; |
| 843 | } |
| 844 | ok = ok && ht_add(ctx->visitedResources, &id); |
| 845 | if (ok) { |
| 846 | ht = ht_create(htSetup.keySize, |
| 847 | sizeof(xXResResourceSizeSpec*), |
| 848 | ht_generic_hash, ht_generic_compare, |
| 849 | &htSetup); |
| 850 | ok = ok && ht; |
| 851 | } |
| 852 | |
| 853 | if (!ok) { |
| 854 | ctx->status = BadAlloc; |
| 855 | } else { |
| 856 | SizeType sizeFunc = GetResourceTypeSizeFunc(type); |
| 857 | ResourceSizeRec size = { 0, 0, 0 }; |
| 858 | |
| 859 | sizeFunc(ptr, id, &size); |
| 860 | |
| 861 | value->size.spec.resource = id; |
| 862 | value->size.spec.type = type; |
| 863 | value->size.bytes = size.resourceSize; |
| 864 | value->size.refCount = size.refCnt; |
| 865 | value->size.useCount = 1; |
| 866 | value->numCrossReferences = 0; |
| 867 | |
| 868 | ctx->sizeValue = value; |
| 869 | ctx->visitedSubResources = ht; |
| 870 | FindSubResources(ptr, type, AddSubResourceSizeSpec, ctx); |
| 871 | ctx->visitedSubResources = NULL; |
| 872 | ctx->sizeValue = NULL; |
| 873 | |
| 874 | ctx->resultBytes += sizeof(*value); |
| 875 | ++ctx->numSizes; |
| 876 | |
| 877 | ht_destroy(ht); |
| 878 | } |
| 879 | } |
| 880 | } |
| 881 | |
| 882 | /** @brief A variant of AddResourceSizeValue that passes the resource type |
| 883 | through the context object to satisfy the type FindResType |
| 884 | |
| 885 | @see AddResourceSizeValue |
| 886 | |
| 887 | @param[in] ptr The resource |
| 888 | @param[in] id The resource ID |
| 889 | @param[in/out] cdata The context object that contains the resource type |
| 890 | */ |
| 891 | static void |
| 892 | AddResourceSizeValueWithResType(pointer ptr, XID id, pointer cdata) |
| 893 | { |
| 894 | ConstructResourceBytesCtx *ctx = cdata; |
| 895 | AddResourceSizeValue(ptr, id, ctx->resType, cdata); |
| 896 | } |
| 897 | |
| 898 | /** @brief Adds the information of a resource into the buffer if it matches |
| 899 | the match condition. |
| 900 | |
| 901 | @see AddResourceSizeValue |
| 902 | |
| 903 | @param[in] ptr The resource |
| 904 | @param[in] id The resource ID |
| 905 | @param[in] type The resource type |
| 906 | @param[in/out] cdata The context object as a void pointer to satisfy the |
| 907 | type FindAllRes |
| 908 | */ |
| 909 | static void |
| 910 | AddResourceSizeValueByResource(pointer ptr, XID id, RESTYPE type, pointer cdata) |
| 911 | { |
| 912 | ConstructResourceBytesCtx *ctx = cdata; |
| 913 | xXResResourceIdSpec *spec = ctx->curSpec; |
| 914 | |
| 915 | if ((!spec->type || spec->type == type) && |
| 916 | (!spec->resource || spec->resource == id)) { |
| 917 | AddResourceSizeValue(ptr, id, type, ctx); |
| 918 | } |
| 919 | } |
| 920 | |
| 921 | /** @brief Add all resources of the client into the result buffer |
| 922 | disregarding all those specifications that specify the |
| 923 | resource by its ID. Those are handled by |
| 924 | ConstructResourceBytesByResource |
| 925 | |
| 926 | @see ConstructResourceBytesByResource |
| 927 | |
| 928 | @param[in] aboutClient Which client is being considered |
| 929 | @param[in/out] ctx The context that contains the resource id |
| 930 | specifications as well as the result buffer |
| 931 | */ |
| 932 | static void |
| 933 | ConstructClientResourceBytes(ClientPtr aboutClient, |
| 934 | ConstructResourceBytesCtx *ctx) |
| 935 | { |
| 936 | int specIdx; |
| 937 | for (specIdx = 0; specIdx < ctx->numSpecs; ++specIdx) { |
| 938 | xXResResourceIdSpec* spec = ctx->specs + specIdx; |
| 939 | if (spec->resource) { |
| 940 | /* these specs are handled elsewhere */ |
| 941 | } else if (spec->type) { |
| 942 | ctx->resType = spec->type; |
| 943 | FindClientResourcesByType(aboutClient, spec->type, |
| 944 | AddResourceSizeValueWithResType, ctx); |
| 945 | } else { |
| 946 | FindAllClientResources(aboutClient, AddResourceSizeValue, ctx); |
| 947 | } |
| 948 | } |
| 949 | } |
| 950 | |
| 951 | /** @brief Add the sizes of all such resources that can are specified by |
| 952 | their ID in the resource id specification. The scan can |
| 953 | by limited to a client with the aboutClient parameter |
| 954 | |
| 955 | @see ConstructResourceBytesByResource |
| 956 | |
| 957 | @param[in] aboutClient Which client is being considered. This may be None |
| 958 | to mean all clients. |
| 959 | @param[in/out] ctx The context that contains the resource id |
| 960 | specifications as well as the result buffer. In |
| 961 | addition this function uses the curSpec field to |
| 962 | keep a pointer to the current resource id |
| 963 | specification in it, which can be used by |
| 964 | AddResourceSizeValueByResource . |
| 965 | */ |
| 966 | static void |
| 967 | ConstructResourceBytesByResource(XID aboutClient, ConstructResourceBytesCtx *ctx) |
| 968 | { |
| 969 | int specIdx; |
| 970 | for (specIdx = 0; specIdx < ctx->numSpecs; ++specIdx) { |
| 971 | xXResResourceIdSpec *spec = ctx->specs + specIdx; |
| 972 | if (spec->resource) { |
| 973 | int cid = CLIENT_ID(spec->resource); |
| 974 | if (cid < currentMaxClients && |
| 975 | (aboutClient == None || cid == aboutClient)) { |
| 976 | ClientPtr client = clients[cid]; |
| 977 | if (client) { |
| 978 | ctx->curSpec = spec; |
| 979 | FindAllClientResources(client, |
| 980 | AddResourceSizeValueByResource, |
| 981 | ctx); |
| 982 | } |
| 983 | } |
| 984 | } |
| 985 | } |
| 986 | } |
| 987 | |
| 988 | /** @brief Build the resource size response for the given client |
| 989 | (or all if not specified) per the parameters set up |
| 990 | in the context object. |
| 991 | |
| 992 | @param[in] aboutClient Which client to consider or None for all clients |
| 993 | @param[in/out] ctx The context object that contains the request as well |
| 994 | as the response buffer. |
| 995 | */ |
| 996 | static int |
| 997 | ConstructResourceBytes(XID aboutClient, |
| 998 | ConstructResourceBytesCtx *ctx) |
| 999 | { |
| 1000 | if (aboutClient) { |
| 1001 | int clientIdx = CLIENT_ID(aboutClient); |
| 1002 | ClientPtr client = NullClient; |
| 1003 | |
| 1004 | if ((clientIdx >= currentMaxClients) || !clients[clientIdx]) { |
| 1005 | ctx->sendClient->errorValue = aboutClient; |
| 1006 | return BadValue; |
| 1007 | } |
| 1008 | |
| 1009 | client = clients[clientIdx]; |
| 1010 | |
| 1011 | ConstructClientResourceBytes(client, ctx); |
| 1012 | ConstructResourceBytesByResource(aboutClient, ctx); |
| 1013 | } else { |
| 1014 | int clientIdx; |
| 1015 | |
| 1016 | ConstructClientResourceBytes(NULL, ctx); |
| 1017 | |
| 1018 | for (clientIdx = 0; clientIdx < currentMaxClients; ++clientIdx) { |
| 1019 | ClientPtr client = clients[clientIdx]; |
| 1020 | |
| 1021 | if (client) { |
| 1022 | ConstructClientResourceBytes(client, ctx); |
| 1023 | } |
| 1024 | } |
| 1025 | |
| 1026 | ConstructResourceBytesByResource(None, ctx); |
| 1027 | } |
| 1028 | |
| 1029 | |
| 1030 | return ctx->status; |
| 1031 | } |
| 1032 | |
| 1033 | /** @brief Implements the XResQueryResourceBytes of XResProto v1.2 */ |
| 1034 | static int |
| 1035 | ProcXResQueryResourceBytes (ClientPtr client) |
| 1036 | { |
| 1037 | REQUEST(xXResQueryResourceBytesReq); |
| 1038 | |
| 1039 | int rc; |
| 1040 | ConstructResourceBytesCtx ctx; |
| 1041 | |
| 1042 | REQUEST_AT_LEAST_SIZE(xXResQueryResourceBytesReq); |
| 1043 | REQUEST_FIXED_SIZE(xXResQueryResourceBytesReq, |
| 1044 | stuff->numSpecs * sizeof(ctx.specs[0])); |
| 1045 | |
| 1046 | if (!InitConstructResourceBytesCtx(&ctx, client, |
| 1047 | stuff->numSpecs, |
| 1048 | (void*) ((char*) stuff + |
| 1049 | sz_xXResQueryResourceBytesReq))) { |
| 1050 | return BadAlloc; |
| 1051 | } |
| 1052 | |
| 1053 | rc = ConstructResourceBytes(stuff->client, &ctx); |
| 1054 | |
| 1055 | if (rc == Success) { |
| 1056 | xXResQueryResourceBytesReply rep = { |
| 1057 | .type = X_Reply, |
| 1058 | .sequenceNumber = client->sequence, |
| 1059 | .length = bytes_to_int32(ctx.resultBytes), |
| 1060 | .numSizes = ctx.numSizes |
| 1061 | }; |
| 1062 | |
| 1063 | if (client->swapped) { |
| 1064 | swaps (&rep.sequenceNumber); |
| 1065 | swapl (&rep.length); |
| 1066 | swapl (&rep.numSizes); |
| 1067 | |
| 1068 | SwapXResQueryResourceBytes(&ctx.response); |
| 1069 | } |
| 1070 | |
| 1071 | WriteToClient(client, sizeof(rep), &rep); |
| 1072 | WriteFragmentsToClient(client, &ctx.response); |
| 1073 | } |
| 1074 | |
| 1075 | DestroyConstructResourceBytesCtx(&ctx); |
| 1076 | |
| 1077 | return rc; |
| 1078 | } |
| 1079 | |
| 1080 | static int |
| 1081 | ProcResDispatch(ClientPtr client) |
| 1082 | { |
| 1083 | REQUEST(xReq); |
| 1084 | switch (stuff->data) { |
| 1085 | case X_XResQueryVersion: |
| 1086 | return ProcXResQueryVersion(client); |
| 1087 | case X_XResQueryClients: |
| 1088 | return ProcXResQueryClients(client); |
| 1089 | case X_XResQueryClientResources: |
| 1090 | return ProcXResQueryClientResources(client); |
| 1091 | case X_XResQueryClientPixmapBytes: |
| 1092 | return ProcXResQueryClientPixmapBytes(client); |
| 1093 | case X_XResQueryClientIds: |
| 1094 | return ProcXResQueryClientIds(client); |
| 1095 | case X_XResQueryResourceBytes: |
| 1096 | return ProcXResQueryResourceBytes(client); |
| 1097 | default: break; |
| 1098 | } |
| 1099 | |
| 1100 | return BadRequest; |
| 1101 | } |
| 1102 | |
| 1103 | static int |
| 1104 | SProcXResQueryVersion(ClientPtr client) |
| 1105 | { |
| 1106 | REQUEST(xXResQueryVersionReq); |
| 1107 | REQUEST_SIZE_MATCH(xXResQueryVersionReq); |
| 1108 | return ProcXResQueryVersion(client); |
| 1109 | } |
| 1110 | |
| 1111 | static int |
| 1112 | SProcXResQueryClientResources(ClientPtr client) |
| 1113 | { |
| 1114 | REQUEST(xXResQueryClientResourcesReq); |
| 1115 | REQUEST_SIZE_MATCH(xXResQueryClientResourcesReq); |
| 1116 | swapl(&stuff->xid); |
| 1117 | return ProcXResQueryClientResources(client); |
| 1118 | } |
| 1119 | |
| 1120 | static int |
| 1121 | SProcXResQueryClientPixmapBytes(ClientPtr client) |
| 1122 | { |
| 1123 | REQUEST(xXResQueryClientPixmapBytesReq); |
| 1124 | REQUEST_SIZE_MATCH(xXResQueryClientPixmapBytesReq); |
| 1125 | swapl(&stuff->xid); |
| 1126 | return ProcXResQueryClientPixmapBytes(client); |
| 1127 | } |
| 1128 | |
| 1129 | static int |
| 1130 | SProcXResQueryClientIds (ClientPtr client) |
| 1131 | { |
| 1132 | REQUEST(xXResQueryClientIdsReq); |
| 1133 | |
| 1134 | REQUEST_AT_LEAST_SIZE (xXResQueryClientIdsReq); |
| 1135 | swapl(&stuff->numSpecs); |
| 1136 | return ProcXResQueryClientIds(client); |
| 1137 | } |
| 1138 | |
| 1139 | /** @brief Implements the XResQueryResourceBytes of XResProto v1.2. |
| 1140 | This variant byteswaps request contents before issuing the |
| 1141 | rest of the work to ProcXResQueryResourceBytes */ |
| 1142 | static int |
| 1143 | SProcXResQueryResourceBytes (ClientPtr client) |
| 1144 | { |
| 1145 | REQUEST(xXResQueryResourceBytesReq); |
| 1146 | int c; |
| 1147 | xXResResourceIdSpec *specs = (void*) ((char*) stuff + sizeof(*stuff)); |
| 1148 | |
| 1149 | swapl(&stuff->numSpecs); |
| 1150 | REQUEST_AT_LEAST_SIZE(xXResQueryResourceBytesReq); |
| 1151 | REQUEST_FIXED_SIZE(xXResQueryResourceBytesReq, |
| 1152 | stuff->numSpecs * sizeof(specs[0])); |
| 1153 | |
| 1154 | for (c = 0; c < stuff->numSpecs; ++c) { |
| 1155 | SwapXResResourceIdSpec(specs + c); |
| 1156 | } |
| 1157 | |
| 1158 | return ProcXResQueryResourceBytes(client); |
| 1159 | } |
| 1160 | |
| 1161 | static int |
| 1162 | SProcResDispatch (ClientPtr client) |
| 1163 | { |
| 1164 | REQUEST(xReq); |
| 1165 | swaps(&stuff->length); |
| 1166 | |
| 1167 | switch (stuff->data) { |
| 1168 | case X_XResQueryVersion: |
| 1169 | return SProcXResQueryVersion(client); |
| 1170 | case X_XResQueryClients: /* nothing to swap */ |
| 1171 | return ProcXResQueryClients(client); |
| 1172 | case X_XResQueryClientResources: |
| 1173 | return SProcXResQueryClientResources(client); |
| 1174 | case X_XResQueryClientPixmapBytes: |
| 1175 | return SProcXResQueryClientPixmapBytes(client); |
| 1176 | case X_XResQueryClientIds: |
| 1177 | return SProcXResQueryClientIds(client); |
| 1178 | case X_XResQueryResourceBytes: |
| 1179 | return SProcXResQueryResourceBytes(client); |
| 1180 | default: break; |
| 1181 | } |
| 1182 | |
| 1183 | return BadRequest; |
| 1184 | } |
| 1185 | |
| 1186 | void |
| 1187 | ResExtensionInit(void) |
| 1188 | { |
| 1189 | (void) AddExtension(XRES_NAME, 0, 0, |
| 1190 | ProcResDispatch, SProcResDispatch, |
| 1191 | NULL, StandardMinorOpcode); |
| 1192 | } |