| File: | record/record.c |
| Location: | line 2218, column 43 |
| Description: | Dereference of null pointer |
| 1 | ||||
| 2 | /* | |||
| 3 | ||||
| 4 | Copyright 1995, 1998 The Open Group | |||
| 5 | ||||
| 6 | Permission to use, copy, modify, distribute, and sell this software and its | |||
| 7 | documentation for any purpose is hereby granted without fee, provided that | |||
| 8 | the above copyright notice appear in all copies and that both that | |||
| 9 | copyright notice and this permission notice appear in supporting | |||
| 10 | documentation. | |||
| 11 | ||||
| 12 | The above copyright notice and this permission notice shall be | |||
| 13 | included in all copies or substantial portions of the Software. | |||
| 14 | ||||
| 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |||
| 16 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |||
| 17 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |||
| 18 | IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR | |||
| 19 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |||
| 20 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |||
| 21 | OTHER DEALINGS IN THE SOFTWARE. | |||
| 22 | ||||
| 23 | Except as contained in this notice, the name of The Open Group shall | |||
| 24 | not be used in advertising or otherwise to promote the sale, use or | |||
| 25 | other dealings in this Software without prior written authorization | |||
| 26 | from The Open Group. | |||
| 27 | ||||
| 28 | Author: David P. Wiggins, The Open Group | |||
| 29 | ||||
| 30 | This work benefited from earlier work done by Martha Zimet of NCD | |||
| 31 | and Jim Haggerty of Metheus. | |||
| 32 | ||||
| 33 | */ | |||
| 34 | ||||
| 35 | #ifdef HAVE_DIX_CONFIG_H1 | |||
| 36 | #include <dix-config.h> | |||
| 37 | #endif | |||
| 38 | ||||
| 39 | #include "dixstruct.h" | |||
| 40 | #include "extnsionst.h" | |||
| 41 | #include "extinit.h" | |||
| 42 | #include <X11/extensions/recordproto.h> | |||
| 43 | #include "set.h" | |||
| 44 | #include "swaprep.h" | |||
| 45 | #include "inputstr.h" | |||
| 46 | #include "eventconvert.h" | |||
| 47 | #include "scrnintstr.h" | |||
| 48 | ||||
| 49 | #include <stdio.h> | |||
| 50 | #include <assert.h> | |||
| 51 | ||||
| 52 | #ifdef PANORAMIX1 | |||
| 53 | #include "globals.h" | |||
| 54 | #include "panoramiX.h" | |||
| 55 | #include "panoramiXsrv.h" | |||
| 56 | #include "cursor.h" | |||
| 57 | #endif | |||
| 58 | ||||
| 59 | #include "protocol-versions.h" | |||
| 60 | ||||
| 61 | static RESTYPE RTContext; /* internal resource type for Record contexts */ | |||
| 62 | ||||
| 63 | /* How many bytes of protocol data to buffer in a context. Don't set to less | |||
| 64 | * than 32. | |||
| 65 | */ | |||
| 66 | #define REPLY_BUF_SIZE1024 1024 | |||
| 67 | ||||
| 68 | /* Record Context structure */ | |||
| 69 | ||||
| 70 | typedef struct { | |||
| 71 | XID id; /* resource id of context */ | |||
| 72 | ClientPtr pRecordingClient; /* client that has context enabled */ | |||
| 73 | struct _RecordClientsAndProtocolRec *pListOfRCAP; /* all registered info */ | |||
| 74 | ClientPtr pBufClient; /* client whose protocol is in replyBuffer */ | |||
| 75 | unsigned int continuedReply:1; /* recording a reply that is split up? */ | |||
| 76 | char elemHeaders; /* element header flags (time/seq no.) */ | |||
| 77 | char bufCategory; /* category of protocol in replyBuffer */ | |||
| 78 | int numBufBytes; /* number of bytes in replyBuffer */ | |||
| 79 | char replyBuffer[REPLY_BUF_SIZE1024]; /* buffered recorded protocol */ | |||
| 80 | int inFlush; /* are we inside RecordFlushReplyBuffer */ | |||
| 81 | } RecordContextRec, *RecordContextPtr; | |||
| 82 | ||||
| 83 | /* RecordMinorOpRec - to hold minor opcode selections for extension requests | |||
| 84 | * and replies | |||
| 85 | */ | |||
| 86 | ||||
| 87 | typedef union { | |||
| 88 | int count; /* first element of array: how many "major" structs to follow */ | |||
| 89 | struct { /* rest of array elements are this */ | |||
| 90 | short first; /* first major opcode */ | |||
| 91 | short last; /* last major opcode */ | |||
| 92 | RecordSetPtr pMinOpSet; /* minor opcode set for above major range */ | |||
| 93 | } major; | |||
| 94 | } RecordMinorOpRec, *RecordMinorOpPtr; | |||
| 95 | ||||
| 96 | /* RecordClientsAndProtocolRec, nicknamed RCAP - holds all the client and | |||
| 97 | * protocol selections passed in a single CreateContext or RegisterClients. | |||
| 98 | * Generally, a context will have one of these from the create and an | |||
| 99 | * additional one for each RegisterClients. RCAPs are freed when all their | |||
| 100 | * clients are unregistered. | |||
| 101 | */ | |||
| 102 | ||||
| 103 | typedef struct _RecordClientsAndProtocolRec { | |||
| 104 | RecordContextPtr pContext; /* context that owns this RCAP */ | |||
| 105 | struct _RecordClientsAndProtocolRec *pNextRCAP; /* next RCAP on context */ | |||
| 106 | RecordSetPtr pRequestMajorOpSet; /* requests to record */ | |||
| 107 | RecordMinorOpPtr pRequestMinOpInfo; /* extension requests to record */ | |||
| 108 | RecordSetPtr pReplyMajorOpSet; /* replies to record */ | |||
| 109 | RecordMinorOpPtr pReplyMinOpInfo; /* extension replies to record */ | |||
| 110 | RecordSetPtr pDeviceEventSet; /* device events to record */ | |||
| 111 | RecordSetPtr pDeliveredEventSet; /* delivered events to record */ | |||
| 112 | RecordSetPtr pErrorSet; /* errors to record */ | |||
| 113 | XID *pClientIDs; /* array of clients to record */ | |||
| 114 | short numClients; /* number of clients in pClientIDs */ | |||
| 115 | short sizeClients; /* size of pClientIDs array */ | |||
| 116 | unsigned int clientStarted:1; /* record new client connections? */ | |||
| 117 | unsigned int clientDied:1; /* record client disconnections? */ | |||
| 118 | unsigned int clientIDsSeparatelyAllocated:1; /* pClientIDs malloced? */ | |||
| 119 | } RecordClientsAndProtocolRec, *RecordClientsAndProtocolPtr; | |||
| 120 | ||||
| 121 | /* how much bigger to make pRCAP->pClientIDs when reallocing */ | |||
| 122 | #define CLIENT_ARRAY_GROWTH_INCREMENT4 4 | |||
| 123 | ||||
| 124 | /* counts the total number of RCAPs belonging to enabled contexts. */ | |||
| 125 | static int numEnabledRCAPs; | |||
| 126 | ||||
| 127 | /* void VERIFY_CONTEXT(RecordContextPtr, XID, ClientPtr) | |||
| 128 | * In the spirit of the VERIFY_* macros in dix.h, this macro fills in | |||
| 129 | * the context pointer if the given ID is a valid Record Context, else it | |||
| 130 | * returns an error. | |||
| 131 | */ | |||
| 132 | #define VERIFY_CONTEXT(_pContext, _contextid, _client){ int rc = dixLookupResourceByType((void **)&(_pContext), _contextid, RTContext, _client, (1<<24)); if (rc != 0) return rc; } { \ | |||
| 133 | int rc = dixLookupResourceByType((void **)&(_pContext), _contextid, \ | |||
| 134 | RTContext, _client, DixUseAccess(1<<24)); \ | |||
| 135 | if (rc != Success0) \ | |||
| 136 | return rc; \ | |||
| 137 | } | |||
| 138 | ||||
| 139 | static int RecordDeleteContext(void *value, | |||
| 140 | XID id); | |||
| 141 | ||||
| 142 | /***************************************************************************/ | |||
| 143 | ||||
| 144 | /* client private stuff */ | |||
| 145 | ||||
| 146 | /* To make declarations less obfuscated, have a typedef for a pointer to a | |||
| 147 | * Proc function. | |||
| 148 | */ | |||
| 149 | typedef int (*ProcFunctionPtr) (ClientPtr /*pClient */ | |||
| 150 | ); | |||
| 151 | ||||
| 152 | /* Record client private. Generally a client only has one of these if | |||
| 153 | * any of its requests are being recorded. | |||
| 154 | */ | |||
| 155 | typedef struct { | |||
| 156 | /* ptr to client's proc vector before Record stuck its nose in */ | |||
| 157 | ProcFunctionPtr *originalVector; | |||
| 158 | ||||
| 159 | /* proc vector with pointers for recorded requests redirected to the | |||
| 160 | * function RecordARequest | |||
| 161 | */ | |||
| 162 | ProcFunctionPtr recordVector[256]; | |||
| 163 | } RecordClientPrivateRec, *RecordClientPrivatePtr; | |||
| 164 | ||||
| 165 | static DevPrivateKeyRec RecordClientPrivateKeyRec; | |||
| 166 | ||||
| 167 | #define RecordClientPrivateKey(&RecordClientPrivateKeyRec) (&RecordClientPrivateKeyRec) | |||
| 168 | ||||
| 169 | /* RecordClientPrivatePtr RecordClientPrivate(ClientPtr) | |||
| 170 | * gets the client private of the given client. Syntactic sugar. | |||
| 171 | */ | |||
| 172 | #define RecordClientPrivate(_pClient)(RecordClientPrivatePtr) dixLookupPrivate(&(_pClient)-> devPrivates, (&RecordClientPrivateKeyRec)) (RecordClientPrivatePtr) \ | |||
| 173 | dixLookupPrivate(&(_pClient)->devPrivates, RecordClientPrivateKey(&RecordClientPrivateKeyRec)) | |||
| 174 | ||||
| 175 | /***************************************************************************/ | |||
| 176 | ||||
| 177 | /* global list of all contexts */ | |||
| 178 | ||||
| 179 | static RecordContextPtr *ppAllContexts; | |||
| 180 | ||||
| 181 | static int numContexts; /* number of contexts in ppAllContexts */ | |||
| 182 | ||||
| 183 | /* number of currently enabled contexts. All enabled contexts are bunched | |||
| 184 | * up at the front of the ppAllContexts array, from ppAllContexts[0] to | |||
| 185 | * ppAllContexts[numEnabledContexts-1], to eliminate time spent skipping | |||
| 186 | * past disabled contexts. | |||
| 187 | */ | |||
| 188 | static int numEnabledContexts; | |||
| 189 | ||||
| 190 | /* RecordFindContextOnAllContexts | |||
| 191 | * | |||
| 192 | * Arguments: | |||
| 193 | * pContext is the context to search for. | |||
| 194 | * | |||
| 195 | * Returns: | |||
| 196 | * The index into the array ppAllContexts at which pContext is stored. | |||
| 197 | * If pContext is not found in ppAllContexts, returns -1. | |||
| 198 | * | |||
| 199 | * Side Effects: none. | |||
| 200 | */ | |||
| 201 | static int | |||
| 202 | RecordFindContextOnAllContexts(RecordContextPtr pContext) | |||
| 203 | { | |||
| 204 | int i; | |||
| 205 | ||||
| 206 | assert(numContexts >= numEnabledContexts)(__builtin_expect(!(numContexts >= numEnabledContexts), 0) ? __assert_rtn(__func__, "record.c", 206, "numContexts >= numEnabledContexts" ) : (void)0); | |||
| 207 | for (i = 0; i < numContexts; i++) { | |||
| 208 | if (ppAllContexts[i] == pContext) | |||
| 209 | return i; | |||
| 210 | } | |||
| 211 | return -1; | |||
| 212 | } /* RecordFindContextOnAllContexts */ | |||
| 213 | ||||
| 214 | /***************************************************************************/ | |||
| 215 | ||||
| 216 | /* RecordFlushReplyBuffer | |||
| 217 | * | |||
| 218 | * Arguments: | |||
| 219 | * pContext is the context to flush. | |||
| 220 | * data1 is a pointer to additional data, and len1 is its length in bytes. | |||
| 221 | * data2 is a pointer to additional data, and len2 is its length in bytes. | |||
| 222 | * | |||
| 223 | * Returns: nothing. | |||
| 224 | * | |||
| 225 | * Side Effects: | |||
| 226 | * If the context is enabled, any buffered (recorded) protocol is written | |||
| 227 | * to the recording client, and the number of buffered bytes is set to | |||
| 228 | * zero. If len1 is not zero, data1/len1 are then written to the | |||
| 229 | * recording client, and similarly for data2/len2 (written after | |||
| 230 | * data1/len1). | |||
| 231 | */ | |||
| 232 | static void | |||
| 233 | RecordFlushReplyBuffer(RecordContextPtr pContext, | |||
| 234 | void *data1, int len1, void *data2, int len2) | |||
| 235 | { | |||
| 236 | if (!pContext->pRecordingClient || pContext->pRecordingClient->clientGone || | |||
| 237 | pContext->inFlush) | |||
| 238 | return; | |||
| 239 | ++pContext->inFlush; | |||
| 240 | if (pContext->numBufBytes) | |||
| 241 | WriteToClient(pContext->pRecordingClient, pContext->numBufBytes, | |||
| 242 | pContext->replyBuffer); | |||
| 243 | pContext->numBufBytes = 0; | |||
| 244 | if (len1) | |||
| 245 | WriteToClient(pContext->pRecordingClient, len1, data1); | |||
| 246 | if (len2) | |||
| 247 | WriteToClient(pContext->pRecordingClient, len2, data2); | |||
| 248 | --pContext->inFlush; | |||
| 249 | } /* RecordFlushReplyBuffer */ | |||
| 250 | ||||
| 251 | /* RecordAProtocolElement | |||
| 252 | * | |||
| 253 | * Arguments: | |||
| 254 | * pContext is the context that is recording a protocol element. | |||
| 255 | * pClient is the client whose protocol is being recorded. For | |||
| 256 | * device events and EndOfData, pClient is NULL. | |||
| 257 | * category is the category of the protocol element, as defined | |||
| 258 | * by the RECORD spec. | |||
| 259 | * data is a pointer to the protocol data, and datalen - padlen | |||
| 260 | * is its length in bytes. | |||
| 261 | * padlen is the number of pad bytes from a zeroed array. | |||
| 262 | * futurelen is the number of bytes that will be sent in subsequent | |||
| 263 | * calls to this function to complete this protocol element. | |||
| 264 | * In those subsequent calls, futurelen will be -1 to indicate | |||
| 265 | * that the current data is a continuation of the same protocol | |||
| 266 | * element. | |||
| 267 | * | |||
| 268 | * Returns: nothing. | |||
| 269 | * | |||
| 270 | * Side Effects: | |||
| 271 | * The context may be flushed. The new protocol element will be | |||
| 272 | * added to the context's protocol buffer with appropriate element | |||
| 273 | * headers prepended (sequence number and timestamp). If the data | |||
| 274 | * is continuation data (futurelen == -1), element headers won't | |||
| 275 | * be added. If the protocol element and headers won't fit in | |||
| 276 | * the context's buffer, it is sent directly to the recording | |||
| 277 | * client (after any buffered data). | |||
| 278 | */ | |||
| 279 | static void | |||
| 280 | RecordAProtocolElement(RecordContextPtr pContext, ClientPtr pClient, | |||
| 281 | int category, void *data, int datalen, int padlen, | |||
| 282 | int futurelen) | |||
| 283 | { | |||
| 284 | CARD32 elemHeaderData[2]; | |||
| 285 | int numElemHeaders = 0; | |||
| 286 | Bool recordingClientSwapped = pContext->pRecordingClient->swapped; | |||
| 287 | CARD32 serverTime = 0; | |||
| 288 | Bool gotServerTime = FALSE0; | |||
| 289 | int replylen; | |||
| 290 | ||||
| 291 | if (futurelen >= 0) { /* start of new protocol element */ | |||
| 292 | xRecordEnableContextReply *pRep = (xRecordEnableContextReply *) | |||
| 293 | pContext->replyBuffer; | |||
| 294 | ||||
| 295 | if (pContext->pBufClient != pClient || | |||
| 296 | pContext->bufCategory != category) { | |||
| 297 | RecordFlushReplyBuffer(pContext, NULL((void*)0), 0, NULL((void*)0), 0); | |||
| 298 | pContext->pBufClient = pClient; | |||
| 299 | pContext->bufCategory = category; | |||
| 300 | } | |||
| 301 | ||||
| 302 | if (!pContext->numBufBytes) { | |||
| 303 | serverTime = GetTimeInMillis(); | |||
| 304 | gotServerTime = TRUE1; | |||
| 305 | pRep->type = X_Reply1; | |||
| 306 | pRep->category = category; | |||
| 307 | pRep->sequenceNumber = pContext->pRecordingClient->sequence; | |||
| 308 | pRep->length = 0; | |||
| 309 | pRep->elementHeader = pContext->elemHeaders; | |||
| 310 | pRep->serverTime = serverTime; | |||
| 311 | if (pClient) { | |||
| 312 | pRep->clientSwapped = | |||
| 313 | (pClient->swapped != recordingClientSwapped); | |||
| 314 | pRep->idBase = pClient->clientAsMask; | |||
| 315 | pRep->recordedSequenceNumber = pClient->sequence; | |||
| 316 | } | |||
| 317 | else { /* it's a device event, StartOfData, or EndOfData */ | |||
| 318 | ||||
| 319 | pRep->clientSwapped = (category != XRecordFromServer0) && | |||
| 320 | recordingClientSwapped; | |||
| 321 | pRep->idBase = 0; | |||
| 322 | pRep->recordedSequenceNumber = 0; | |||
| 323 | } | |||
| 324 | ||||
| 325 | if (recordingClientSwapped) { | |||
| 326 | swaps(&pRep->sequenceNumber)do { if (sizeof(*(&pRep->sequenceNumber)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&pRep->sequenceNumber ) & 1) && ((uintptr_t)(&pRep->sequenceNumber ) & 1) == 0) *(&pRep->sequenceNumber) = lswaps(*(& pRep->sequenceNumber)); else swap_uint16((uint16_t *)(& pRep->sequenceNumber)); } while (0); | |||
| 327 | swapl(&pRep->length)do { if (sizeof(*(&pRep->length)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&pRep->length) & 3) && ((uintptr_t)(&pRep->length) & 3) == 0) *(&pRep->length) = lswapl(*(&pRep->length)) ; else swap_uint32((uint32_t *)(&pRep->length)); } while (0); | |||
| 328 | swapl(&pRep->idBase)do { if (sizeof(*(&pRep->idBase)) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&pRep->idBase) & 3) && ((uintptr_t)(&pRep->idBase) & 3) == 0) *(&pRep->idBase) = lswapl(*(&pRep->idBase)) ; else swap_uint32((uint32_t *)(&pRep->idBase)); } while (0); | |||
| 329 | swapl(&pRep->serverTime)do { if (sizeof(*(&pRep->serverTime)) != 4) wrong_size (); if (__builtin_constant_p((uintptr_t)(&pRep->serverTime ) & 3) && ((uintptr_t)(&pRep->serverTime) & 3) == 0) *(&pRep->serverTime) = lswapl(*(&pRep-> serverTime)); else swap_uint32((uint32_t *)(&pRep->serverTime )); } while (0); | |||
| 330 | swapl(&pRep->recordedSequenceNumber)do { if (sizeof(*(&pRep->recordedSequenceNumber)) != 4 ) wrong_size(); if (__builtin_constant_p((uintptr_t)(&pRep ->recordedSequenceNumber) & 3) && ((uintptr_t) (&pRep->recordedSequenceNumber) & 3) == 0) *(& pRep->recordedSequenceNumber) = lswapl(*(&pRep->recordedSequenceNumber )); else swap_uint32((uint32_t *)(&pRep->recordedSequenceNumber )); } while (0); | |||
| 331 | } | |||
| 332 | pContext->numBufBytes = SIZEOF(xRecordEnableContextReply)32; | |||
| 333 | } | |||
| 334 | ||||
| 335 | /* generate element headers if needed */ | |||
| 336 | ||||
| 337 | if (((pContext->elemHeaders & XRecordFromClientTime0x02) | |||
| 338 | && category == XRecordFromClient1) | |||
| 339 | || ((pContext->elemHeaders & XRecordFromServerTime0x01) | |||
| 340 | && category == XRecordFromServer0)) { | |||
| 341 | if (gotServerTime) | |||
| 342 | elemHeaderData[numElemHeaders] = serverTime; | |||
| 343 | else | |||
| 344 | elemHeaderData[numElemHeaders] = GetTimeInMillis(); | |||
| 345 | if (recordingClientSwapped) | |||
| 346 | swapl(&elemHeaderData[numElemHeaders])do { if (sizeof(*(&elemHeaderData[numElemHeaders])) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&elemHeaderData [numElemHeaders]) & 3) && ((uintptr_t)(&elemHeaderData [numElemHeaders]) & 3) == 0) *(&elemHeaderData[numElemHeaders ]) = lswapl(*(&elemHeaderData[numElemHeaders])); else swap_uint32 ((uint32_t *)(&elemHeaderData[numElemHeaders])); } while ( 0); | |||
| 347 | numElemHeaders++; | |||
| 348 | } | |||
| 349 | ||||
| 350 | if ((pContext->elemHeaders & XRecordFromClientSequence0x04) | |||
| 351 | && (category == XRecordFromClient1 || category == XRecordClientDied3)) { | |||
| 352 | elemHeaderData[numElemHeaders] = pClient->sequence; | |||
| 353 | if (recordingClientSwapped) | |||
| 354 | swapl(&elemHeaderData[numElemHeaders])do { if (sizeof(*(&elemHeaderData[numElemHeaders])) != 4) wrong_size(); if (__builtin_constant_p((uintptr_t)(&elemHeaderData [numElemHeaders]) & 3) && ((uintptr_t)(&elemHeaderData [numElemHeaders]) & 3) == 0) *(&elemHeaderData[numElemHeaders ]) = lswapl(*(&elemHeaderData[numElemHeaders])); else swap_uint32 ((uint32_t *)(&elemHeaderData[numElemHeaders])); } while ( 0); | |||
| 355 | numElemHeaders++; | |||
| 356 | } | |||
| 357 | ||||
| 358 | /* adjust reply length */ | |||
| 359 | ||||
| 360 | replylen = pRep->length; | |||
| 361 | if (recordingClientSwapped) | |||
| 362 | swapl(&replylen)do { if (sizeof(*(&replylen)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&replylen) & 3) && ((uintptr_t)( &replylen) & 3) == 0) *(&replylen) = lswapl(*(& replylen)); else swap_uint32((uint32_t *)(&replylen)); } while (0); | |||
| 363 | replylen += numElemHeaders + bytes_to_int32(datalen) + | |||
| 364 | bytes_to_int32(futurelen); | |||
| 365 | if (recordingClientSwapped) | |||
| 366 | swapl(&replylen)do { if (sizeof(*(&replylen)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&replylen) & 3) && ((uintptr_t)( &replylen) & 3) == 0) *(&replylen) = lswapl(*(& replylen)); else swap_uint32((uint32_t *)(&replylen)); } while (0); | |||
| 367 | pRep->length = replylen; | |||
| 368 | } /* end if not continued reply */ | |||
| 369 | ||||
| 370 | numElemHeaders *= 4; | |||
| 371 | ||||
| 372 | /* if space available >= space needed, buffer the data */ | |||
| 373 | ||||
| 374 | if (REPLY_BUF_SIZE1024 - pContext->numBufBytes >= datalen + numElemHeaders) { | |||
| 375 | if (numElemHeaders) { | |||
| 376 | memcpy(pContext->replyBuffer + pContext->numBufBytes,__builtin___memcpy_chk (pContext->replyBuffer + pContext-> numBufBytes, elemHeaderData, numElemHeaders, __builtin_object_size (pContext->replyBuffer + pContext->numBufBytes, 0)) | |||
| 377 | elemHeaderData, numElemHeaders)__builtin___memcpy_chk (pContext->replyBuffer + pContext-> numBufBytes, elemHeaderData, numElemHeaders, __builtin_object_size (pContext->replyBuffer + pContext->numBufBytes, 0)); | |||
| 378 | pContext->numBufBytes += numElemHeaders; | |||
| 379 | } | |||
| 380 | if (datalen) { | |||
| 381 | static char padBuffer[3]; /* as in FlushClient */ | |||
| 382 | ||||
| 383 | memcpy(pContext->replyBuffer + pContext->numBufBytes,__builtin___memcpy_chk (pContext->replyBuffer + pContext-> numBufBytes, data, datalen - padlen, __builtin_object_size (pContext ->replyBuffer + pContext->numBufBytes, 0)) | |||
| 384 | data, datalen - padlen)__builtin___memcpy_chk (pContext->replyBuffer + pContext-> numBufBytes, data, datalen - padlen, __builtin_object_size (pContext ->replyBuffer + pContext->numBufBytes, 0)); | |||
| 385 | pContext->numBufBytes += datalen - padlen; | |||
| 386 | memcpy(pContext->replyBuffer + pContext->numBufBytes,__builtin___memcpy_chk (pContext->replyBuffer + pContext-> numBufBytes, padBuffer, padlen, __builtin_object_size (pContext ->replyBuffer + pContext->numBufBytes, 0)) | |||
| 387 | padBuffer, padlen)__builtin___memcpy_chk (pContext->replyBuffer + pContext-> numBufBytes, padBuffer, padlen, __builtin_object_size (pContext ->replyBuffer + pContext->numBufBytes, 0)); | |||
| 388 | pContext->numBufBytes += padlen; | |||
| 389 | } | |||
| 390 | } | |||
| 391 | else { | |||
| 392 | RecordFlushReplyBuffer(pContext, (void *) elemHeaderData, | |||
| 393 | numElemHeaders, (void *) data, | |||
| 394 | datalen - padlen); | |||
| 395 | } | |||
| 396 | } /* RecordAProtocolElement */ | |||
| 397 | ||||
| 398 | /* RecordFindClientOnContext | |||
| 399 | * | |||
| 400 | * Arguments: | |||
| 401 | * pContext is the context to search. | |||
| 402 | * clientspec is the resource ID mask identifying the client to search | |||
| 403 | * for, or XRecordFutureClients. | |||
| 404 | * pposition is a pointer to an int, or NULL. See Returns. | |||
| 405 | * | |||
| 406 | * Returns: | |||
| 407 | * The RCAP on which clientspec was found, or NULL if not found on | |||
| 408 | * any RCAP on the given context. | |||
| 409 | * If pposition was not NULL and the returned RCAP is not NULL, | |||
| 410 | * *pposition will be set to the index into the returned the RCAP's | |||
| 411 | * pClientIDs array that holds clientspec. | |||
| 412 | * | |||
| 413 | * Side Effects: none. | |||
| 414 | */ | |||
| 415 | static RecordClientsAndProtocolPtr | |||
| 416 | RecordFindClientOnContext(RecordContextPtr pContext, | |||
| 417 | XID clientspec, int *pposition) | |||
| 418 | { | |||
| 419 | RecordClientsAndProtocolPtr pRCAP; | |||
| 420 | ||||
| 421 | for (pRCAP = pContext->pListOfRCAP; pRCAP; pRCAP = pRCAP->pNextRCAP) { | |||
| 422 | int i; | |||
| 423 | ||||
| 424 | for (i = 0; i < pRCAP->numClients; i++) { | |||
| 425 | if (pRCAP->pClientIDs[i] == clientspec) { | |||
| 426 | if (pposition) | |||
| 427 | *pposition = i; | |||
| 428 | return pRCAP; | |||
| 429 | } | |||
| 430 | } | |||
| 431 | } | |||
| 432 | return NULL((void*)0); | |||
| 433 | } /* RecordFindClientOnContext */ | |||
| 434 | ||||
| 435 | /* RecordABigRequest | |||
| 436 | * | |||
| 437 | * Arguments: | |||
| 438 | * pContext is the recording context. | |||
| 439 | * client is the client being recorded. | |||
| 440 | * stuff is a pointer to the big request of client (see the Big Requests | |||
| 441 | * extension for details.) | |||
| 442 | * | |||
| 443 | * Returns: nothing. | |||
| 444 | * | |||
| 445 | * Side Effects: | |||
| 446 | * The big request is recorded with the correct length field re-inserted. | |||
| 447 | * | |||
| 448 | * Note: this function exists mainly to make RecordARequest smaller. | |||
| 449 | */ | |||
| 450 | static void | |||
| 451 | RecordABigRequest(RecordContextPtr pContext, ClientPtr client, xReq * stuff) | |||
| 452 | { | |||
| 453 | CARD32 bigLength; | |||
| 454 | int bytesLeft; | |||
| 455 | ||||
| 456 | /* note: client->req_len has been frobbed by ReadRequestFromClient | |||
| 457 | * (os/io.c) to discount the extra 4 bytes taken by the extended length | |||
| 458 | * field in a big request. The actual request length to record is | |||
| 459 | * client->req_len + 1 (measured in CARD32s). | |||
| 460 | */ | |||
| 461 | ||||
| 462 | /* record the request header */ | |||
| 463 | bytesLeft = client->req_len << 2; | |||
| 464 | RecordAProtocolElement(pContext, client, XRecordFromClient1, | |||
| 465 | (void *) stuff, SIZEOF(xReq)4, 0, bytesLeft); | |||
| 466 | ||||
| 467 | /* reinsert the extended length field that was squished out */ | |||
| 468 | bigLength = client->req_len + bytes_to_int32(sizeof(bigLength)); | |||
| 469 | if (client->swapped) | |||
| 470 | swapl(&bigLength)do { if (sizeof(*(&bigLength)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&bigLength) & 3) && ((uintptr_t) (&bigLength) & 3) == 0) *(&bigLength) = lswapl(*( &bigLength)); else swap_uint32((uint32_t *)(&bigLength )); } while (0); | |||
| 471 | RecordAProtocolElement(pContext, client, XRecordFromClient1, | |||
| 472 | (void *) &bigLength, sizeof(bigLength), 0, | |||
| 473 | /* continuation */ -1); | |||
| 474 | bytesLeft -= sizeof(bigLength); | |||
| 475 | ||||
| 476 | /* record the rest of the request after the length */ | |||
| 477 | RecordAProtocolElement(pContext, client, XRecordFromClient1, | |||
| 478 | (void *) (stuff + 1), bytesLeft, 0, | |||
| 479 | /* continuation */ -1); | |||
| 480 | } /* RecordABigRequest */ | |||
| 481 | ||||
| 482 | /* RecordARequest | |||
| 483 | * | |||
| 484 | * Arguments: | |||
| 485 | * client is a client that the server has dispatched a request to by | |||
| 486 | * calling client->requestVector[request opcode] . | |||
| 487 | * The request is in client->requestBuffer. | |||
| 488 | * | |||
| 489 | * Returns: | |||
| 490 | * Whatever is returned by the "real" Proc function for this request. | |||
| 491 | * The "real" Proc function is the function that was in | |||
| 492 | * client->requestVector[request opcode] before it was replaced by | |||
| 493 | * RecordARequest. (See the function RecordInstallHooks.) | |||
| 494 | * | |||
| 495 | * Side Effects: | |||
| 496 | * The request is recorded by all contexts that have registered this | |||
| 497 | * request for this client. The real Proc function is called. | |||
| 498 | */ | |||
| 499 | static int | |||
| 500 | RecordARequest(ClientPtr client) | |||
| 501 | { | |||
| 502 | RecordContextPtr pContext; | |||
| 503 | RecordClientsAndProtocolPtr pRCAP; | |||
| 504 | int i; | |||
| 505 | RecordClientPrivatePtr pClientPriv; | |||
| 506 | ||||
| 507 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; | |||
| 508 | int majorop; | |||
| 509 | ||||
| 510 | majorop = stuff->reqType; | |||
| 511 | for (i = 0; i < numEnabledContexts; i++) { | |||
| 512 | pContext = ppAllContexts[i]; | |||
| 513 | pRCAP = RecordFindClientOnContext(pContext, client->clientAsMask, NULL((void*)0)); | |||
| 514 | if (pRCAP && pRCAP->pRequestMajorOpSet && | |||
| 515 | RecordIsMemberOfSet(pRCAP->pRequestMajorOpSet, majorop)(*pRCAP->pRequestMajorOpSet->ops->IsMemberOfSet)( pRCAP ->pRequestMajorOpSet, majorop)) { | |||
| 516 | if (majorop <= 127) { /* core request */ | |||
| 517 | ||||
| 518 | if (stuff->length == 0) | |||
| 519 | RecordABigRequest(pContext, client, stuff); | |||
| 520 | else | |||
| 521 | RecordAProtocolElement(pContext, client, XRecordFromClient1, | |||
| 522 | (void *) stuff, | |||
| 523 | client->req_len << 2, 0, 0); | |||
| 524 | } | |||
| 525 | else { /* extension, check minor opcode */ | |||
| 526 | ||||
| 527 | int minorop = client->minorOp; | |||
| 528 | int numMinOpInfo; | |||
| 529 | RecordMinorOpPtr pMinorOpInfo = pRCAP->pRequestMinOpInfo; | |||
| 530 | ||||
| 531 | assert(pMinorOpInfo)(__builtin_expect(!(pMinorOpInfo), 0) ? __assert_rtn(__func__ , "record.c", 531, "pMinorOpInfo") : (void)0); | |||
| 532 | numMinOpInfo = pMinorOpInfo->count; | |||
| 533 | pMinorOpInfo++; | |||
| 534 | assert(numMinOpInfo)(__builtin_expect(!(numMinOpInfo), 0) ? __assert_rtn(__func__ , "record.c", 534, "numMinOpInfo") : (void)0); | |||
| 535 | for (; numMinOpInfo; numMinOpInfo--, pMinorOpInfo++) { | |||
| 536 | if (majorop >= pMinorOpInfo->major.first && | |||
| 537 | majorop <= pMinorOpInfo->major.last && | |||
| 538 | RecordIsMemberOfSet(pMinorOpInfo->major.pMinOpSet,(*pMinorOpInfo->major.pMinOpSet->ops->IsMemberOfSet) ( pMinorOpInfo->major.pMinOpSet, minorop) | |||
| 539 | minorop)(*pMinorOpInfo->major.pMinOpSet->ops->IsMemberOfSet) ( pMinorOpInfo->major.pMinOpSet, minorop)) { | |||
| 540 | if (stuff->length == 0) | |||
| 541 | RecordABigRequest(pContext, client, stuff); | |||
| 542 | else | |||
| 543 | RecordAProtocolElement(pContext, client, | |||
| 544 | XRecordFromClient1, | |||
| 545 | (void *) stuff, | |||
| 546 | client->req_len << 2, 0, 0); | |||
| 547 | break; | |||
| 548 | } | |||
| 549 | } /* end for each minor op info */ | |||
| 550 | } /* end extension request */ | |||
| 551 | } /* end this RCAP wants this major opcode */ | |||
| 552 | } /* end for each context */ | |||
| 553 | pClientPriv = RecordClientPrivate(client)(RecordClientPrivatePtr) dixLookupPrivate(&(client)->devPrivates , (&RecordClientPrivateKeyRec)); | |||
| 554 | assert(pClientPriv)(__builtin_expect(!(pClientPriv), 0) ? __assert_rtn(__func__, "record.c", 554, "pClientPriv") : (void)0); | |||
| 555 | return (*pClientPriv->originalVector[majorop]) (client); | |||
| 556 | } /* RecordARequest */ | |||
| 557 | ||||
| 558 | /* RecordAReply | |||
| 559 | * | |||
| 560 | * Arguments: | |||
| 561 | * pcbl is &ReplyCallback. | |||
| 562 | * nulldata is NULL. | |||
| 563 | * calldata is a pointer to a ReplyInfoRec (include/os.h) | |||
| 564 | * which provides information about replies that are being sent | |||
| 565 | * to clients. | |||
| 566 | * | |||
| 567 | * Returns: nothing. | |||
| 568 | * | |||
| 569 | * Side Effects: | |||
| 570 | * The reply is recorded by all contexts that have registered this | |||
| 571 | * reply type for this client. If more data belonging to the same | |||
| 572 | * reply is expected, and if the reply is being recorded by any | |||
| 573 | * context, pContext->continuedReply is set to 1. | |||
| 574 | * If pContext->continuedReply was already 1 and this is the last | |||
| 575 | * chunk of data belonging to this reply, it is set to 0. | |||
| 576 | */ | |||
| 577 | static void | |||
| 578 | RecordAReply(CallbackListPtr *pcbl, void *nulldata, void *calldata) | |||
| 579 | { | |||
| 580 | RecordContextPtr pContext; | |||
| 581 | RecordClientsAndProtocolPtr pRCAP; | |||
| 582 | int eci; | |||
| 583 | ReplyInfoRec *pri = (ReplyInfoRec *) calldata; | |||
| 584 | ClientPtr client = pri->client; | |||
| 585 | ||||
| 586 | for (eci = 0; eci < numEnabledContexts; eci++) { | |||
| 587 | pContext = ppAllContexts[eci]; | |||
| 588 | pRCAP = RecordFindClientOnContext(pContext, client->clientAsMask, NULL((void*)0)); | |||
| 589 | if (pRCAP) { | |||
| 590 | int majorop = client->majorOp; | |||
| 591 | ||||
| 592 | if (pContext->continuedReply) { | |||
| 593 | RecordAProtocolElement(pContext, client, XRecordFromServer0, | |||
| 594 | (void *) pri->replyData, | |||
| 595 | pri->dataLenBytes, pri->padBytes, | |||
| 596 | /* continuation */ -1); | |||
| 597 | if (!pri->bytesRemaining) | |||
| 598 | pContext->continuedReply = 0; | |||
| 599 | } | |||
| 600 | else if (pri->startOfReply && pRCAP->pReplyMajorOpSet && | |||
| 601 | RecordIsMemberOfSet(pRCAP->pReplyMajorOpSet, majorop)(*pRCAP->pReplyMajorOpSet->ops->IsMemberOfSet)( pRCAP ->pReplyMajorOpSet, majorop)) { | |||
| 602 | if (majorop <= 127) { /* core reply */ | |||
| 603 | RecordAProtocolElement(pContext, client, XRecordFromServer0, | |||
| 604 | (void *) pri->replyData, | |||
| 605 | pri->dataLenBytes, 0, | |||
| 606 | pri->bytesRemaining); | |||
| 607 | if (pri->bytesRemaining) | |||
| 608 | pContext->continuedReply = 1; | |||
| 609 | } | |||
| 610 | else { /* extension, check minor opcode */ | |||
| 611 | ||||
| 612 | int minorop = client->minorOp; | |||
| 613 | int numMinOpInfo; | |||
| 614 | RecordMinorOpPtr pMinorOpInfo = pRCAP->pReplyMinOpInfo; | |||
| 615 | ||||
| 616 | assert(pMinorOpInfo)(__builtin_expect(!(pMinorOpInfo), 0) ? __assert_rtn(__func__ , "record.c", 616, "pMinorOpInfo") : (void)0); | |||
| 617 | numMinOpInfo = pMinorOpInfo->count; | |||
| 618 | pMinorOpInfo++; | |||
| 619 | assert(numMinOpInfo)(__builtin_expect(!(numMinOpInfo), 0) ? __assert_rtn(__func__ , "record.c", 619, "numMinOpInfo") : (void)0); | |||
| 620 | for (; numMinOpInfo; numMinOpInfo--, pMinorOpInfo++) { | |||
| 621 | if (majorop >= pMinorOpInfo->major.first && | |||
| 622 | majorop <= pMinorOpInfo->major.last && | |||
| 623 | RecordIsMemberOfSet(pMinorOpInfo->major.pMinOpSet,(*pMinorOpInfo->major.pMinOpSet->ops->IsMemberOfSet) ( pMinorOpInfo->major.pMinOpSet, minorop) | |||
| 624 | minorop)(*pMinorOpInfo->major.pMinOpSet->ops->IsMemberOfSet) ( pMinorOpInfo->major.pMinOpSet, minorop)) { | |||
| 625 | RecordAProtocolElement(pContext, client, | |||
| 626 | XRecordFromServer0, | |||
| 627 | (void *) pri->replyData, | |||
| 628 | pri->dataLenBytes, 0, | |||
| 629 | pri->bytesRemaining); | |||
| 630 | if (pri->bytesRemaining) | |||
| 631 | pContext->continuedReply = 1; | |||
| 632 | break; | |||
| 633 | } | |||
| 634 | } /* end for each minor op info */ | |||
| 635 | } /* end extension reply */ | |||
| 636 | } /* end continued reply vs. start of reply */ | |||
| 637 | } /* end client is registered on this context */ | |||
| 638 | } /* end for each context */ | |||
| 639 | } /* RecordAReply */ | |||
| 640 | ||||
| 641 | /* RecordADeliveredEventOrError | |||
| 642 | * | |||
| 643 | * Arguments: | |||
| 644 | * pcbl is &EventCallback. | |||
| 645 | * nulldata is NULL. | |||
| 646 | * calldata is a pointer to a EventInfoRec (include/dix.h) | |||
| 647 | * which provides information about events that are being sent | |||
| 648 | * to clients. | |||
| 649 | * | |||
| 650 | * Returns: nothing. | |||
| 651 | * | |||
| 652 | * Side Effects: | |||
| 653 | * The event or error is recorded by all contexts that have registered | |||
| 654 | * it for this client. | |||
| 655 | */ | |||
| 656 | static void | |||
| 657 | RecordADeliveredEventOrError(CallbackListPtr *pcbl, void *nulldata, | |||
| 658 | void *calldata) | |||
| 659 | { | |||
| 660 | EventInfoRec *pei = (EventInfoRec *) calldata; | |||
| 661 | RecordContextPtr pContext; | |||
| 662 | RecordClientsAndProtocolPtr pRCAP; | |||
| 663 | int eci; /* enabled context index */ | |||
| 664 | ClientPtr pClient = pei->client; | |||
| 665 | ||||
| 666 | for (eci = 0; eci < numEnabledContexts; eci++) { | |||
| 667 | pContext = ppAllContexts[eci]; | |||
| 668 | pRCAP = RecordFindClientOnContext(pContext, pClient->clientAsMask, | |||
| 669 | NULL((void*)0)); | |||
| 670 | if (pRCAP && (pRCAP->pDeliveredEventSet || pRCAP->pErrorSet)) { | |||
| 671 | int ev; /* event index */ | |||
| 672 | xEvent *pev = pei->events; | |||
| 673 | ||||
| 674 | for (ev = 0; ev < pei->count; ev++, pev++) { | |||
| 675 | int recordit = 0; | |||
| 676 | ||||
| 677 | if (pRCAP->pErrorSet) { | |||
| 678 | recordit = RecordIsMemberOfSet(pRCAP->pErrorSet,(*pRCAP->pErrorSet->ops->IsMemberOfSet)( pRCAP->pErrorSet , ((xError *) (pev))-> errorCode) | |||
| 679 | ((xError *) (pev))->(*pRCAP->pErrorSet->ops->IsMemberOfSet)( pRCAP->pErrorSet , ((xError *) (pev))-> errorCode) | |||
| 680 | errorCode)(*pRCAP->pErrorSet->ops->IsMemberOfSet)( pRCAP->pErrorSet , ((xError *) (pev))-> errorCode); | |||
| 681 | } | |||
| 682 | else if (pRCAP->pDeliveredEventSet) { | |||
| 683 | recordit = RecordIsMemberOfSet(pRCAP->pDeliveredEventSet,(*pRCAP->pDeliveredEventSet->ops->IsMemberOfSet)( pRCAP ->pDeliveredEventSet, pev->u.u.type & 0177) | |||
| 684 | pev->u.u.type & 0177)(*pRCAP->pDeliveredEventSet->ops->IsMemberOfSet)( pRCAP ->pDeliveredEventSet, pev->u.u.type & 0177); | |||
| 685 | } | |||
| 686 | if (recordit) { | |||
| 687 | xEvent swappedEvent; | |||
| 688 | xEvent *pEvToRecord = pev; | |||
| 689 | ||||
| 690 | if (pClient->swapped) { | |||
| 691 | (*EventSwapVector[pev->u.u.type & 0177]) | |||
| 692 | (pev, &swappedEvent); | |||
| 693 | pEvToRecord = &swappedEvent; | |||
| 694 | ||||
| 695 | } | |||
| 696 | RecordAProtocolElement(pContext, pClient, | |||
| 697 | XRecordFromServer0, pEvToRecord, | |||
| 698 | SIZEOF(xEvent)32, 0, 0); | |||
| 699 | } | |||
| 700 | } /* end for each event */ | |||
| 701 | } /* end this client is on this context */ | |||
| 702 | } /* end for each enabled context */ | |||
| 703 | } /* RecordADeliveredEventOrError */ | |||
| 704 | ||||
| 705 | static void | |||
| 706 | RecordSendProtocolEvents(RecordClientsAndProtocolPtr pRCAP, | |||
| 707 | RecordContextPtr pContext, xEvent *pev, int count) | |||
| 708 | { | |||
| 709 | int ev; /* event index */ | |||
| 710 | ||||
| 711 | for (ev = 0; ev < count; ev++, pev++) { | |||
| 712 | if (RecordIsMemberOfSet(pRCAP->pDeviceEventSet, pev->u.u.type & 0177)(*pRCAP->pDeviceEventSet->ops->IsMemberOfSet)( pRCAP ->pDeviceEventSet, pev->u.u.type & 0177)) { | |||
| 713 | xEvent swappedEvent; | |||
| 714 | xEvent *pEvToRecord = pev; | |||
| 715 | ||||
| 716 | #ifdef PANORAMIX1 | |||
| 717 | xEvent shiftedEvent; | |||
| 718 | ||||
| 719 | if (!noPanoramiXExtension && | |||
| 720 | (pev->u.u.type == MotionNotify6 || | |||
| 721 | pev->u.u.type == ButtonPress4 || | |||
| 722 | pev->u.u.type == ButtonRelease5 || | |||
| 723 | pev->u.u.type == KeyPress2 || pev->u.u.type == KeyRelease3)) { | |||
| 724 | int scr = XineramaGetCursorScreen(inputInfo.pointer); | |||
| 725 | ||||
| 726 | memcpy(&shiftedEvent, pev, sizeof(xEvent))__builtin___memcpy_chk (&shiftedEvent, pev, sizeof(xEvent ), __builtin_object_size (&shiftedEvent, 0)); | |||
| 727 | shiftedEvent.u.keyButtonPointer.rootX += | |||
| 728 | screenInfo.screens[scr]->x - screenInfo.screens[0]->x; | |||
| 729 | shiftedEvent.u.keyButtonPointer.rootY += | |||
| 730 | screenInfo.screens[scr]->y - screenInfo.screens[0]->y; | |||
| 731 | pEvToRecord = &shiftedEvent; | |||
| 732 | } | |||
| 733 | #endif /* PANORAMIX */ | |||
| 734 | ||||
| 735 | if (pContext->pRecordingClient->swapped) { | |||
| 736 | (*EventSwapVector[pEvToRecord->u.u.type & 0177]) | |||
| 737 | (pEvToRecord, &swappedEvent); | |||
| 738 | pEvToRecord = &swappedEvent; | |||
| 739 | } | |||
| 740 | ||||
| 741 | RecordAProtocolElement(pContext, NULL((void*)0), | |||
| 742 | XRecordFromServer0, pEvToRecord, | |||
| 743 | SIZEOF(xEvent)32, 0, 0); | |||
| 744 | /* make sure device events get flushed in the absence | |||
| 745 | * of other client activity | |||
| 746 | */ | |||
| 747 | SetCriticalOutputPending(); | |||
| 748 | } | |||
| 749 | } /* end for each event */ | |||
| 750 | ||||
| 751 | } /* RecordADeviceEvent */ | |||
| 752 | ||||
| 753 | /* RecordADeviceEvent | |||
| 754 | * | |||
| 755 | * Arguments: | |||
| 756 | * pcbl is &DeviceEventCallback. | |||
| 757 | * nulldata is NULL. | |||
| 758 | * calldata is a pointer to a DeviceEventInfoRec (include/dix.h) | |||
| 759 | * which provides information about device events that occur. | |||
| 760 | * | |||
| 761 | * Returns: nothing. | |||
| 762 | * | |||
| 763 | * Side Effects: | |||
| 764 | * The device event is recorded by all contexts that have registered | |||
| 765 | * it for this client. | |||
| 766 | */ | |||
| 767 | static void | |||
| 768 | RecordADeviceEvent(CallbackListPtr *pcbl, void *nulldata, void *calldata) | |||
| 769 | { | |||
| 770 | DeviceEventInfoRec *pei = (DeviceEventInfoRec *) calldata; | |||
| 771 | RecordContextPtr pContext; | |||
| 772 | RecordClientsAndProtocolPtr pRCAP; | |||
| 773 | int eci; /* enabled context index */ | |||
| 774 | ||||
| 775 | for (eci = 0; eci < numEnabledContexts; eci++) { | |||
| 776 | pContext = ppAllContexts[eci]; | |||
| 777 | for (pRCAP = pContext->pListOfRCAP; pRCAP; pRCAP = pRCAP->pNextRCAP) { | |||
| 778 | if (pRCAP->pDeviceEventSet) { | |||
| 779 | int count; | |||
| 780 | xEvent *xi_events = NULL((void*)0); | |||
| 781 | ||||
| 782 | /* TODO check return values */ | |||
| 783 | if (IsMaster(pei->device)) { | |||
| 784 | xEvent *core_events; | |||
| 785 | ||||
| 786 | EventToCore(pei->event, &core_events, &count); | |||
| 787 | RecordSendProtocolEvents(pRCAP, pContext, core_events, | |||
| 788 | count); | |||
| 789 | free(core_events); | |||
| 790 | } | |||
| 791 | ||||
| 792 | EventToXI(pei->event, &xi_events, &count); | |||
| 793 | RecordSendProtocolEvents(pRCAP, pContext, xi_events, count); | |||
| 794 | free(xi_events); | |||
| 795 | } /* end this RCAP selects device events */ | |||
| 796 | } /* end for each RCAP on this context */ | |||
| 797 | } /* end for each enabled context */ | |||
| 798 | } | |||
| 799 | ||||
| 800 | /* RecordFlushAllContexts | |||
| 801 | * | |||
| 802 | * Arguments: | |||
| 803 | * pcbl is &FlushCallback. | |||
| 804 | * nulldata and calldata are NULL. | |||
| 805 | * | |||
| 806 | * Returns: nothing. | |||
| 807 | * | |||
| 808 | * Side Effects: | |||
| 809 | * All buffered reply data of all enabled contexts is written to | |||
| 810 | * the recording clients. | |||
| 811 | */ | |||
| 812 | static void | |||
| 813 | RecordFlushAllContexts(CallbackListPtr *pcbl, | |||
| 814 | void *nulldata, void *calldata) | |||
| 815 | { | |||
| 816 | int eci; /* enabled context index */ | |||
| 817 | RecordContextPtr pContext; | |||
| 818 | ||||
| 819 | for (eci = 0; eci < numEnabledContexts; eci++) { | |||
| 820 | pContext = ppAllContexts[eci]; | |||
| 821 | ||||
| 822 | /* In most cases we leave it to RecordFlushReplyBuffer to make | |||
| 823 | * this check, but this function could be called very often, so we | |||
| 824 | * check before calling hoping to save the function call cost | |||
| 825 | * most of the time. | |||
| 826 | */ | |||
| 827 | if (pContext->numBufBytes) | |||
| 828 | RecordFlushReplyBuffer(ppAllContexts[eci], NULL((void*)0), 0, NULL((void*)0), 0); | |||
| 829 | } | |||
| 830 | } /* RecordFlushAllContexts */ | |||
| 831 | ||||
| 832 | /* RecordInstallHooks | |||
| 833 | * | |||
| 834 | * Arguments: | |||
| 835 | * pRCAP is an RCAP on an enabled or being-enabled context. | |||
| 836 | * oneclient can be zero or the resource ID mask identifying a client. | |||
| 837 | * | |||
| 838 | * Returns: BadAlloc if a memory allocation error occurred, else Success. | |||
| 839 | * | |||
| 840 | * Side Effects: | |||
| 841 | * Recording hooks needed by RCAP are installed. | |||
| 842 | * If oneclient is zero, recording hooks needed for all clients and | |||
| 843 | * protocol on the RCAP are installed. If oneclient is non-zero, | |||
| 844 | * only those hooks needed for the specified client are installed. | |||
| 845 | * | |||
| 846 | * Client requestVectors may be altered. numEnabledRCAPs will be | |||
| 847 | * incremented if oneclient == 0. Callbacks may be added to | |||
| 848 | * various callback lists. | |||
| 849 | */ | |||
| 850 | static int | |||
| 851 | RecordInstallHooks(RecordClientsAndProtocolPtr pRCAP, XID oneclient) | |||
| 852 | { | |||
| 853 | int i = 0; | |||
| 854 | XID client; | |||
| 855 | ||||
| 856 | if (oneclient) | |||
| 857 | client = oneclient; | |||
| 858 | else | |||
| 859 | client = pRCAP->numClients ? pRCAP->pClientIDs[i++] : 0; | |||
| 860 | ||||
| 861 | while (client) { | |||
| 862 | if (client != XRecordFutureClients2) { | |||
| 863 | if (pRCAP->pRequestMajorOpSet) { | |||
| 864 | RecordSetIteratePtr pIter = NULL((void*)0); | |||
| 865 | RecordSetInterval interval; | |||
| 866 | ClientPtr pClient = clients[CLIENT_ID(client)((int)(((client) & (((1 << 8) - 1) << (29 - 8 ))) >> (29 - 8)))]; | |||
| 867 | ||||
| 868 | if (pClient && !RecordClientPrivate(pClient)(RecordClientPrivatePtr) dixLookupPrivate(&(pClient)-> devPrivates, (&RecordClientPrivateKeyRec))) { | |||
| 869 | RecordClientPrivatePtr pClientPriv; | |||
| 870 | ||||
| 871 | /* no Record proc vector; allocate one */ | |||
| 872 | pClientPriv = (RecordClientPrivatePtr) | |||
| 873 | malloc(sizeof(RecordClientPrivateRec)); | |||
| 874 | if (!pClientPriv) | |||
| 875 | return BadAlloc11; | |||
| 876 | /* copy old proc vector to new */ | |||
| 877 | memcpy(pClientPriv->recordVector, pClient->requestVector,__builtin___memcpy_chk (pClientPriv->recordVector, pClient ->requestVector, sizeof(pClientPriv->recordVector), __builtin_object_size (pClientPriv->recordVector, 0)) | |||
| 878 | sizeof(pClientPriv->recordVector))__builtin___memcpy_chk (pClientPriv->recordVector, pClient ->requestVector, sizeof(pClientPriv->recordVector), __builtin_object_size (pClientPriv->recordVector, 0)); | |||
| 879 | pClientPriv->originalVector = pClient->requestVector; | |||
| 880 | dixSetPrivate(&pClient->devPrivates, | |||
| 881 | RecordClientPrivateKey(&RecordClientPrivateKeyRec), pClientPriv); | |||
| 882 | pClient->requestVector = pClientPriv->recordVector; | |||
| 883 | } | |||
| 884 | while ((pIter = RecordIterateSet(pRCAP->pRequestMajorOpSet,(*pRCAP->pRequestMajorOpSet->ops->IterateSet)( pRCAP ->pRequestMajorOpSet, pIter, &interval) | |||
| 885 | pIter, &interval)(*pRCAP->pRequestMajorOpSet->ops->IterateSet)( pRCAP ->pRequestMajorOpSet, pIter, &interval))) { | |||
| 886 | unsigned int j; | |||
| 887 | ||||
| 888 | for (j = interval.first; j <= interval.last; j++) | |||
| 889 | pClient->requestVector[j] = RecordARequest; | |||
| 890 | } | |||
| 891 | } | |||
| 892 | } | |||
| 893 | if (oneclient) | |||
| 894 | client = 0; | |||
| 895 | else | |||
| 896 | client = (i < pRCAP->numClients) ? pRCAP->pClientIDs[i++] : 0; | |||
| 897 | } | |||
| 898 | ||||
| 899 | assert(numEnabledRCAPs >= 0)(__builtin_expect(!(numEnabledRCAPs >= 0), 0) ? __assert_rtn (__func__, "record.c", 899, "numEnabledRCAPs >= 0") : (void )0); | |||
| 900 | if (!oneclient && ++numEnabledRCAPs == 1) { /* we're enabling the first context */ | |||
| 901 | if (!AddCallback(&EventCallback, RecordADeliveredEventOrError, NULL((void*)0))) | |||
| 902 | return BadAlloc11; | |||
| 903 | if (!AddCallback(&DeviceEventCallback, RecordADeviceEvent, NULL((void*)0))) | |||
| 904 | return BadAlloc11; | |||
| 905 | if (!AddCallback(&ReplyCallback, RecordAReply, NULL((void*)0))) | |||
| 906 | return BadAlloc11; | |||
| 907 | if (!AddCallback(&FlushCallback, RecordFlushAllContexts, NULL((void*)0))) | |||
| 908 | return BadAlloc11; | |||
| 909 | /* Alternate context flushing scheme: delete the line above | |||
| 910 | * and call RegisterBlockAndWakeupHandlers here passing | |||
| 911 | * RecordFlushAllContexts. Is this any better? | |||
| 912 | */ | |||
| 913 | } | |||
| 914 | return Success0; | |||
| 915 | } /* RecordInstallHooks */ | |||
| 916 | ||||
| 917 | /* RecordUninstallHooks | |||
| 918 | * | |||
| 919 | * Arguments: | |||
| 920 | * pRCAP is an RCAP on an enabled or being-disabled context. | |||
| 921 | * oneclient can be zero or the resource ID mask identifying a client. | |||
| 922 | * | |||
| 923 | * Returns: nothing. | |||
| 924 | * | |||
| 925 | * Side Effects: | |||
| 926 | * Recording hooks needed by RCAP may be uninstalled. | |||
| 927 | * If oneclient is zero, recording hooks needed for all clients and | |||
| 928 | * protocol on the RCAP may be uninstalled. If oneclient is non-zero, | |||
| 929 | * only those hooks needed for the specified client may be uninstalled. | |||
| 930 | * | |||
| 931 | * Client requestVectors may be altered. numEnabledRCAPs will be | |||
| 932 | * decremented if oneclient == 0. Callbacks may be deleted from | |||
| 933 | * various callback lists. | |||
| 934 | */ | |||
| 935 | static void | |||
| 936 | RecordUninstallHooks(RecordClientsAndProtocolPtr pRCAP, XID oneclient) | |||
| 937 | { | |||
| 938 | int i = 0; | |||
| 939 | XID client; | |||
| 940 | ||||
| 941 | if (oneclient) | |||
| 942 | client = oneclient; | |||
| 943 | else | |||
| 944 | client = pRCAP->numClients ? pRCAP->pClientIDs[i++] : 0; | |||
| 945 | ||||
| 946 | while (client) { | |||
| 947 | if (client != XRecordFutureClients2) { | |||
| 948 | if (pRCAP->pRequestMajorOpSet) { | |||
| 949 | ClientPtr pClient = clients[CLIENT_ID(client)((int)(((client) & (((1 << 8) - 1) << (29 - 8 ))) >> (29 - 8)))]; | |||
| 950 | int c; | |||
| 951 | Bool otherRCAPwantsProcVector = FALSE0; | |||
| 952 | RecordClientPrivatePtr pClientPriv = NULL((void*)0); | |||
| 953 | ||||
| 954 | assert(pClient)(__builtin_expect(!(pClient), 0) ? __assert_rtn(__func__, "record.c" , 954, "pClient") : (void)0); | |||
| 955 | pClientPriv = RecordClientPrivate(pClient)(RecordClientPrivatePtr) dixLookupPrivate(&(pClient)-> devPrivates, (&RecordClientPrivateKeyRec)); | |||
| 956 | assert(pClientPriv)(__builtin_expect(!(pClientPriv), 0) ? __assert_rtn(__func__, "record.c", 956, "pClientPriv") : (void)0); | |||
| 957 | memcpy(pClientPriv->recordVector, pClientPriv->originalVector,__builtin___memcpy_chk (pClientPriv->recordVector, pClientPriv ->originalVector, sizeof(pClientPriv->recordVector), __builtin_object_size (pClientPriv->recordVector, 0)) | |||
| 958 | sizeof(pClientPriv->recordVector))__builtin___memcpy_chk (pClientPriv->recordVector, pClientPriv ->originalVector, sizeof(pClientPriv->recordVector), __builtin_object_size (pClientPriv->recordVector, 0)); | |||
| 959 | ||||
| 960 | for (c = 0; c < numEnabledContexts; c++) { | |||
| 961 | RecordClientsAndProtocolPtr pOtherRCAP; | |||
| 962 | RecordContextPtr pContext = ppAllContexts[c]; | |||
| 963 | ||||
| 964 | if (pContext == pRCAP->pContext) | |||
| 965 | continue; | |||
| 966 | pOtherRCAP = RecordFindClientOnContext(pContext, client, | |||
| 967 | NULL((void*)0)); | |||
| 968 | if (pOtherRCAP && pOtherRCAP->pRequestMajorOpSet) { | |||
| 969 | RecordSetIteratePtr pIter = NULL((void*)0); | |||
| 970 | RecordSetInterval interval; | |||
| 971 | ||||
| 972 | otherRCAPwantsProcVector = TRUE1; | |||
| 973 | while ((pIter = | |||
| 974 | RecordIterateSet(pOtherRCAP->pRequestMajorOpSet,(*pOtherRCAP->pRequestMajorOpSet->ops->IterateSet)( pOtherRCAP ->pRequestMajorOpSet, pIter, &interval) | |||
| 975 | pIter, &interval)(*pOtherRCAP->pRequestMajorOpSet->ops->IterateSet)( pOtherRCAP ->pRequestMajorOpSet, pIter, &interval))) { | |||
| 976 | unsigned int j; | |||
| 977 | ||||
| 978 | for (j = interval.first; j <= interval.last; j++) | |||
| 979 | pClient->requestVector[j] = RecordARequest; | |||
| 980 | } | |||
| 981 | } | |||
| 982 | } | |||
| 983 | if (!otherRCAPwantsProcVector) { /* nobody needs it, so free it */ | |||
| 984 | pClient->requestVector = pClientPriv->originalVector; | |||
| 985 | dixSetPrivate(&pClient->devPrivates, | |||
| 986 | RecordClientPrivateKey(&RecordClientPrivateKeyRec), NULL((void*)0)); | |||
| 987 | free(pClientPriv); | |||
| 988 | } | |||
| 989 | } /* end if this RCAP specifies any requests */ | |||
| 990 | } /* end if not future clients */ | |||
| 991 | if (oneclient) | |||
| 992 | client = 0; | |||
| 993 | else | |||
| 994 | client = (i < pRCAP->numClients) ? pRCAP->pClientIDs[i++] : 0; | |||
| 995 | } | |||
| 996 | ||||
| 997 | assert(numEnabledRCAPs >= 1)(__builtin_expect(!(numEnabledRCAPs >= 1), 0) ? __assert_rtn (__func__, "record.c", 997, "numEnabledRCAPs >= 1") : (void )0); | |||
| 998 | if (!oneclient && --numEnabledRCAPs == 0) { /* we're disabling the last context */ | |||
| 999 | DeleteCallback(&EventCallback, RecordADeliveredEventOrError, NULL((void*)0)); | |||
| 1000 | DeleteCallback(&DeviceEventCallback, RecordADeviceEvent, NULL((void*)0)); | |||
| 1001 | DeleteCallback(&ReplyCallback, RecordAReply, NULL((void*)0)); | |||
| 1002 | DeleteCallback(&FlushCallback, RecordFlushAllContexts, NULL((void*)0)); | |||
| 1003 | /* Alternate context flushing scheme: delete the line above | |||
| 1004 | * and call RemoveBlockAndWakeupHandlers here passing | |||
| 1005 | * RecordFlushAllContexts. Is this any better? | |||
| 1006 | */ | |||
| 1007 | /* Having deleted the callback, call it one last time. -gildea */ | |||
| 1008 | RecordFlushAllContexts(&FlushCallback, NULL((void*)0), NULL((void*)0)); | |||
| 1009 | } | |||
| 1010 | } /* RecordUninstallHooks */ | |||
| 1011 | ||||
| 1012 | /* RecordDeleteClientFromRCAP | |||
| 1013 | * | |||
| 1014 | * Arguments: | |||
| 1015 | * pRCAP is an RCAP to delete the client from. | |||
| 1016 | * position is the index into the array pRCAP->pClientIDs of the | |||
| 1017 | * client to delete. | |||
| 1018 | * | |||
| 1019 | * Returns: nothing. | |||
| 1020 | * | |||
| 1021 | * Side Effects: | |||
| 1022 | * Recording hooks needed by client will be uninstalled if the context | |||
| 1023 | * is enabled. The designated client will be removed from the | |||
| 1024 | * pRCAP->pClientIDs array. If it was the only client on the RCAP, | |||
| 1025 | * the RCAP is removed from the context and freed. (Invariant: RCAPs | |||
| 1026 | * have at least one client.) | |||
| 1027 | */ | |||
| 1028 | static void | |||
| 1029 | RecordDeleteClientFromRCAP(RecordClientsAndProtocolPtr pRCAP, int position) | |||
| 1030 | { | |||
| 1031 | if (pRCAP->pContext->pRecordingClient) | |||
| 1032 | RecordUninstallHooks(pRCAP, pRCAP->pClientIDs[position]); | |||
| 1033 | if (position != pRCAP->numClients - 1) | |||
| 1034 | pRCAP->pClientIDs[position] = pRCAP->pClientIDs[pRCAP->numClients - 1]; | |||
| 1035 | if (--pRCAP->numClients == 0) { /* no more clients; remove RCAP from context's list */ | |||
| 1036 | RecordContextPtr pContext = pRCAP->pContext; | |||
| 1037 | ||||
| 1038 | if (pContext->pRecordingClient) | |||
| 1039 | RecordUninstallHooks(pRCAP, 0); | |||
| 1040 | if (pContext->pListOfRCAP == pRCAP) | |||
| 1041 | pContext->pListOfRCAP = pRCAP->pNextRCAP; | |||
| 1042 | else { | |||
| 1043 | RecordClientsAndProtocolPtr prevRCAP; | |||
| 1044 | ||||
| 1045 | for (prevRCAP = pContext->pListOfRCAP; | |||
| 1046 | prevRCAP->pNextRCAP != pRCAP; prevRCAP = prevRCAP->pNextRCAP); | |||
| 1047 | prevRCAP->pNextRCAP = pRCAP->pNextRCAP; | |||
| 1048 | } | |||
| 1049 | /* free the RCAP */ | |||
| 1050 | if (pRCAP->clientIDsSeparatelyAllocated) | |||
| 1051 | free(pRCAP->pClientIDs); | |||
| 1052 | free(pRCAP); | |||
| 1053 | } | |||
| 1054 | } /* RecordDeleteClientFromRCAP */ | |||
| 1055 | ||||
| 1056 | /* RecordAddClientToRCAP | |||
| 1057 | * | |||
| 1058 | * Arguments: | |||
| 1059 | * pRCAP is an RCAP to add the client to. | |||
| 1060 | * clientspec is the resource ID mask identifying a client, or | |||
| 1061 | * XRecordFutureClients. | |||
| 1062 | * | |||
| 1063 | * Returns: nothing. | |||
| 1064 | * | |||
| 1065 | * Side Effects: | |||
| 1066 | * Recording hooks needed by client will be installed if the context | |||
| 1067 | * is enabled. The designated client will be added to the | |||
| 1068 | * pRCAP->pClientIDs array, which may be realloced. | |||
| 1069 | * pRCAP->clientIDsSeparatelyAllocated may be set to 1 if there | |||
| 1070 | * is no more room to hold clients internal to the RCAP. | |||
| 1071 | */ | |||
| 1072 | static void | |||
| 1073 | RecordAddClientToRCAP(RecordClientsAndProtocolPtr pRCAP, XID clientspec) | |||
| 1074 | { | |||
| 1075 | if (pRCAP->numClients == pRCAP->sizeClients) { | |||
| 1076 | if (pRCAP->clientIDsSeparatelyAllocated) { | |||
| 1077 | XID *pNewIDs = (XID *) realloc(pRCAP->pClientIDs, | |||
| 1078 | (pRCAP->sizeClients + | |||
| 1079 | CLIENT_ARRAY_GROWTH_INCREMENT4) * | |||
| 1080 | sizeof(XID)); | |||
| 1081 | if (!pNewIDs) | |||
| 1082 | return; | |||
| 1083 | pRCAP->pClientIDs = pNewIDs; | |||
| 1084 | pRCAP->sizeClients += CLIENT_ARRAY_GROWTH_INCREMENT4; | |||
| 1085 | } | |||
| 1086 | else { | |||
| 1087 | XID *pNewIDs = (XID *) malloc((pRCAP->sizeClients + | |||
| 1088 | CLIENT_ARRAY_GROWTH_INCREMENT4) * | |||
| 1089 | sizeof(XID)); | |||
| 1090 | if (!pNewIDs) | |||
| 1091 | return; | |||
| 1092 | memcpy(pNewIDs, pRCAP->pClientIDs, pRCAP->numClients * sizeof(XID))__builtin___memcpy_chk (pNewIDs, pRCAP->pClientIDs, pRCAP-> numClients * sizeof(XID), __builtin_object_size (pNewIDs, 0)); | |||
| 1093 | pRCAP->pClientIDs = pNewIDs; | |||
| 1094 | pRCAP->sizeClients += CLIENT_ARRAY_GROWTH_INCREMENT4; | |||
| 1095 | pRCAP->clientIDsSeparatelyAllocated = 1; | |||
| 1096 | } | |||
| 1097 | } | |||
| 1098 | pRCAP->pClientIDs[pRCAP->numClients++] = clientspec; | |||
| 1099 | if (pRCAP->pContext->pRecordingClient) | |||
| 1100 | RecordInstallHooks(pRCAP, clientspec); | |||
| 1101 | } /* RecordDeleteClientFromRCAP */ | |||
| 1102 | ||||
| 1103 | /* RecordDeleteClientFromContext | |||
| 1104 | * | |||
| 1105 | * Arguments: | |||
| 1106 | * pContext is the context to delete from. | |||
| 1107 | * clientspec is the resource ID mask identifying a client, or | |||
| 1108 | * XRecordFutureClients. | |||
| 1109 | * | |||
| 1110 | * Returns: nothing. | |||
| 1111 | * | |||
| 1112 | * Side Effects: | |||
| 1113 | * If clientspec is on any RCAP of the context, it is deleted from that | |||
| 1114 | * RCAP. (A given clientspec can only be on one RCAP of a context.) | |||
| 1115 | */ | |||
| 1116 | static void | |||
| 1117 | RecordDeleteClientFromContext(RecordContextPtr pContext, XID clientspec) | |||
| 1118 | { | |||
| 1119 | RecordClientsAndProtocolPtr pRCAP; | |||
| 1120 | int position; | |||
| 1121 | ||||
| 1122 | if ((pRCAP = RecordFindClientOnContext(pContext, clientspec, &position))) | |||
| 1123 | RecordDeleteClientFromRCAP(pRCAP, position); | |||
| 1124 | } /* RecordDeleteClientFromContext */ | |||
| 1125 | ||||
| 1126 | /* RecordSanityCheckClientSpecifiers | |||
| 1127 | * | |||
| 1128 | * Arguments: | |||
| 1129 | * clientspecs is an array of alleged CLIENTSPECs passed by the client. | |||
| 1130 | * nspecs is the number of elements in clientspecs. | |||
| 1131 | * errorspec, if non-zero, is the resource id base of a client that | |||
| 1132 | * must not appear in clienspecs. | |||
| 1133 | * | |||
| 1134 | * Returns: BadMatch if any of the clientspecs are invalid, else Success. | |||
| 1135 | * | |||
| 1136 | * Side Effects: none. | |||
| 1137 | */ | |||
| 1138 | static int | |||
| 1139 | RecordSanityCheckClientSpecifiers(ClientPtr client, XID *clientspecs, | |||
| 1140 | int nspecs, XID errorspec) | |||
| 1141 | { | |||
| 1142 | int i; | |||
| 1143 | int clientIndex; | |||
| 1144 | int rc; | |||
| 1145 | void *value; | |||
| 1146 | ||||
| 1147 | for (i = 0; i < nspecs; i++) { | |||
| 1148 | if (clientspecs[i] == XRecordCurrentClients1 || | |||
| 1149 | clientspecs[i] == XRecordFutureClients2 || | |||
| 1150 | clientspecs[i] == XRecordAllClients3) | |||
| 1151 | continue; | |||
| 1152 | if (errorspec && (CLIENT_BITS(clientspecs[i])((clientspecs[i]) & (((1 << 8) - 1) << (29 - 8 ))) == errorspec)) | |||
| 1153 | return BadMatch8; | |||
| 1154 | clientIndex = CLIENT_ID(clientspecs[i])((int)(((clientspecs[i]) & (((1 << 8) - 1) << (29 - 8))) >> (29 - 8))); | |||
| 1155 | if (clientIndex && clients[clientIndex] && | |||
| 1156 | clients[clientIndex]->clientState == ClientStateRunning) { | |||
| 1157 | if (clientspecs[i] == clients[clientIndex]->clientAsMask) | |||
| 1158 | continue; | |||
| 1159 | rc = dixLookupResourceByClass(&value, clientspecs[i], RC_ANY(~(RESTYPE)0), | |||
| 1160 | client, DixGetAttrAccess(1<<4)); | |||
| 1161 | if (rc != Success0) | |||
| 1162 | return rc; | |||
| 1163 | } | |||
| 1164 | else | |||
| 1165 | return BadMatch8; | |||
| 1166 | } | |||
| 1167 | return Success0; | |||
| 1168 | } /* RecordSanityCheckClientSpecifiers */ | |||
| 1169 | ||||
| 1170 | /* RecordCanonicalizeClientSpecifiers | |||
| 1171 | * | |||
| 1172 | * Arguments: | |||
| 1173 | * pClientspecs is an array of CLIENTSPECs that have been sanity | |||
| 1174 | * checked. | |||
| 1175 | * pNumClientspecs is a pointer to the number of elements in pClientspecs. | |||
| 1176 | * excludespec, if non-zero, is the resource id base of a client that | |||
| 1177 | * should not be included in the expansion of XRecordAllClients or | |||
| 1178 | * XRecordCurrentClients. | |||
| 1179 | * | |||
| 1180 | * Returns: | |||
| 1181 | * A pointer to an array of CLIENTSPECs that is the same as the | |||
| 1182 | * passed array with the following modifications: | |||
| 1183 | * - all but the client id bits of resource IDs are stripped off. | |||
| 1184 | * - duplicates removed. | |||
| 1185 | * - XRecordAllClients expanded to a list of all currently connected | |||
| 1186 | * clients + XRecordFutureClients - excludespec (if non-zero) | |||
| 1187 | * - XRecordCurrentClients expanded to a list of all currently | |||
| 1188 | * connected clients - excludespec (if non-zero) | |||
| 1189 | * The returned array may be the passed array modified in place, or | |||
| 1190 | * it may be an malloc'ed array. The caller should keep a pointer to the | |||
| 1191 | * original array and free the returned array if it is different. | |||
| 1192 | * | |||
| 1193 | * *pNumClientspecs is set to the number of elements in the returned | |||
| 1194 | * array. | |||
| 1195 | * | |||
| 1196 | * Side Effects: | |||
| 1197 | * pClientspecs may be modified in place. | |||
| 1198 | */ | |||
| 1199 | static XID * | |||
| 1200 | RecordCanonicalizeClientSpecifiers(XID *pClientspecs, int *pNumClientspecs, | |||
| 1201 | XID excludespec) | |||
| 1202 | { | |||
| 1203 | int i; | |||
| 1204 | int numClients = *pNumClientspecs; | |||
| 1205 | ||||
| 1206 | /* first pass strips off the resource index bits, leaving just the | |||
| 1207 | * client id bits. This makes searching for a particular client simpler | |||
| 1208 | * (and faster.) | |||
| 1209 | */ | |||
| 1210 | for (i = 0; i < numClients; i++) { | |||
| 1211 | XID cs = pClientspecs[i]; | |||
| 1212 | ||||
| 1213 | if (cs > XRecordAllClients3) | |||
| 1214 | pClientspecs[i] = CLIENT_BITS(cs)((cs) & (((1 << 8) - 1) << (29 - 8))); | |||
| 1215 | } | |||
| 1216 | ||||
| 1217 | for (i = 0; i < numClients; i++) { | |||
| 1218 | if (pClientspecs[i] == XRecordAllClients3 || pClientspecs[i] == XRecordCurrentClients1) { /* expand All/Current */ | |||
| 1219 | int j, nc; | |||
| 1220 | XID *pCanon = (XID *) malloc(sizeof(XID) * (currentMaxClients + 1)); | |||
| 1221 | ||||
| 1222 | if (!pCanon) | |||
| 1223 | return NULL((void*)0); | |||
| 1224 | for (nc = 0, j = 1; j < currentMaxClients; j++) { | |||
| 1225 | ClientPtr client = clients[j]; | |||
| 1226 | ||||
| 1227 | if (client != NullClient((ClientPtr) 0) && | |||
| 1228 | client->clientState == ClientStateRunning && | |||
| 1229 | client->clientAsMask != excludespec) { | |||
| 1230 | pCanon[nc++] = client->clientAsMask; | |||
| 1231 | } | |||
| 1232 | } | |||
| 1233 | if (pClientspecs[i] == XRecordAllClients3) | |||
| 1234 | pCanon[nc++] = XRecordFutureClients2; | |||
| 1235 | *pNumClientspecs = nc; | |||
| 1236 | return pCanon; | |||
| 1237 | } | |||
| 1238 | else { /* not All or Current */ | |||
| 1239 | ||||
| 1240 | int j; | |||
| 1241 | ||||
| 1242 | for (j = i + 1; j < numClients;) { | |||
| 1243 | if (pClientspecs[i] == pClientspecs[j]) { | |||
| 1244 | pClientspecs[j] = pClientspecs[--numClients]; | |||
| 1245 | } | |||
| 1246 | else | |||
| 1247 | j++; | |||
| 1248 | } | |||
| 1249 | } | |||
| 1250 | } /* end for each clientspec */ | |||
| 1251 | *pNumClientspecs = numClients; | |||
| 1252 | return pClientspecs; | |||
| 1253 | } /* RecordCanonicalizeClientSpecifiers */ | |||
| 1254 | ||||
| 1255 | /****************************************************************************/ | |||
| 1256 | ||||
| 1257 | /* stuff for RegisterClients */ | |||
| 1258 | ||||
| 1259 | /* RecordPadAlign | |||
| 1260 | * | |||
| 1261 | * Arguments: | |||
| 1262 | * size is the number of bytes taken by an object. | |||
| 1263 | * align is a byte boundary (e.g. 4, 8) | |||
| 1264 | * | |||
| 1265 | * Returns: | |||
| 1266 | * the number of pad bytes to add at the end of an object of the | |||
| 1267 | * given size so that an object placed immediately behind it will | |||
| 1268 | * begin on an <align>-byte boundary. | |||
| 1269 | * | |||
| 1270 | * Side Effects: none. | |||
| 1271 | */ | |||
| 1272 | static int | |||
| 1273 | RecordPadAlign(int size, int align) | |||
| 1274 | { | |||
| 1275 | return (align - (size & (align - 1))) & (align - 1); | |||
| 1276 | } /* RecordPadAlign */ | |||
| 1277 | ||||
| 1278 | /* RecordSanityCheckRegisterClients | |||
| 1279 | * | |||
| 1280 | * Arguments: | |||
| 1281 | * pContext is the context being registered on. | |||
| 1282 | * client is the client that issued a RecordCreateContext or | |||
| 1283 | * RecordRegisterClients request. | |||
| 1284 | * stuff is a pointer to the request. | |||
| 1285 | * | |||
| 1286 | * Returns: | |||
| 1287 | * Any one of several possible error values if any of the request | |||
| 1288 | * arguments are invalid. Success if everything is OK. | |||
| 1289 | * | |||
| 1290 | * Side Effects: none. | |||
| 1291 | */ | |||
| 1292 | static int | |||
| 1293 | RecordSanityCheckRegisterClients(RecordContextPtr pContext, ClientPtr client, | |||
| 1294 | xRecordRegisterClientsReq * stuff) | |||
| 1295 | { | |||
| 1296 | int err; | |||
| 1297 | xRecordRange *pRange; | |||
| 1298 | int i; | |||
| 1299 | XID recordingClient; | |||
| 1300 | ||||
| 1301 | if (((client->req_len << 2) - SIZEOF(xRecordRegisterClientsReq)20) != | |||
| 1302 | 4 * stuff->nClients + SIZEOF(xRecordRange)24 * stuff->nRanges) | |||
| 1303 | return BadLength16; | |||
| 1304 | ||||
| 1305 | if (stuff->elementHeader & | |||
| 1306 | ~(XRecordFromClientSequence0x04 | XRecordFromClientTime0x02 | | |||
| 1307 | XRecordFromServerTime0x01)) { | |||
| 1308 | client->errorValue = stuff->elementHeader; | |||
| 1309 | return BadValue2; | |||
| 1310 | } | |||
| 1311 | ||||
| 1312 | recordingClient = pContext->pRecordingClient ? | |||
| 1313 | pContext->pRecordingClient->clientAsMask : 0; | |||
| 1314 | err = RecordSanityCheckClientSpecifiers(client, (XID *) &stuff[1], | |||
| 1315 | stuff->nClients, recordingClient); | |||
| 1316 | if (err != Success0) | |||
| 1317 | return err; | |||
| 1318 | ||||
| 1319 | pRange = (xRecordRange *) (((XID *) &stuff[1]) + stuff->nClients); | |||
| 1320 | for (i = 0; i < stuff->nRanges; i++, pRange++) { | |||
| 1321 | if (pRange->coreRequestsFirst > pRange->coreRequestsLast) { | |||
| 1322 | client->errorValue = pRange->coreRequestsFirst; | |||
| 1323 | return BadValue2; | |||
| 1324 | } | |||
| 1325 | if (pRange->coreRepliesFirst > pRange->coreRepliesLast) { | |||
| 1326 | client->errorValue = pRange->coreRepliesFirst; | |||
| 1327 | return BadValue2; | |||
| 1328 | } | |||
| 1329 | if ((pRange->extRequestsMajorFirst || pRange->extRequestsMajorLast) && | |||
| 1330 | (pRange->extRequestsMajorFirst < 128 || | |||
| 1331 | pRange->extRequestsMajorLast < 128 || | |||
| 1332 | pRange->extRequestsMajorFirst > pRange->extRequestsMajorLast)) { | |||
| 1333 | client->errorValue = pRange->extRequestsMajorFirst; | |||
| 1334 | return BadValue2; | |||
| 1335 | } | |||
| 1336 | if (pRange->extRequestsMinorFirst > pRange->extRequestsMinorLast) { | |||
| 1337 | client->errorValue = pRange->extRequestsMinorFirst; | |||
| 1338 | return BadValue2; | |||
| 1339 | } | |||
| 1340 | if ((pRange->extRepliesMajorFirst || pRange->extRepliesMajorLast) && | |||
| 1341 | (pRange->extRepliesMajorFirst < 128 || | |||
| 1342 | pRange->extRepliesMajorLast < 128 || | |||
| 1343 | pRange->extRepliesMajorFirst > pRange->extRepliesMajorLast)) { | |||
| 1344 | client->errorValue = pRange->extRepliesMajorFirst; | |||
| 1345 | return BadValue2; | |||
| 1346 | } | |||
| 1347 | if (pRange->extRepliesMinorFirst > pRange->extRepliesMinorLast) { | |||
| 1348 | client->errorValue = pRange->extRepliesMinorFirst; | |||
| 1349 | return BadValue2; | |||
| 1350 | } | |||
| 1351 | if ((pRange->deliveredEventsFirst || pRange->deliveredEventsLast) && | |||
| 1352 | (pRange->deliveredEventsFirst < 2 || | |||
| 1353 | pRange->deliveredEventsLast < 2 || | |||
| 1354 | pRange->deliveredEventsFirst > pRange->deliveredEventsLast)) { | |||
| 1355 | client->errorValue = pRange->deliveredEventsFirst; | |||
| 1356 | return BadValue2; | |||
| 1357 | } | |||
| 1358 | if ((pRange->deviceEventsFirst || pRange->deviceEventsLast) && | |||
| 1359 | (pRange->deviceEventsFirst < 2 || | |||
| 1360 | pRange->deviceEventsLast < 2 || | |||
| 1361 | pRange->deviceEventsFirst > pRange->deviceEventsLast)) { | |||
| 1362 | client->errorValue = pRange->deviceEventsFirst; | |||
| 1363 | return BadValue2; | |||
| 1364 | } | |||
| 1365 | if (pRange->errorsFirst > pRange->errorsLast) { | |||
| 1366 | client->errorValue = pRange->errorsFirst; | |||
| 1367 | return BadValue2; | |||
| 1368 | } | |||
| 1369 | if (pRange->clientStarted != xFalse0 && pRange->clientStarted != xTrue1) { | |||
| 1370 | client->errorValue = pRange->clientStarted; | |||
| 1371 | return BadValue2; | |||
| 1372 | } | |||
| 1373 | if (pRange->clientDied != xFalse0 && pRange->clientDied != xTrue1) { | |||
| 1374 | client->errorValue = pRange->clientDied; | |||
| 1375 | return BadValue2; | |||
| 1376 | } | |||
| 1377 | } /* end for each range */ | |||
| 1378 | return Success0; | |||
| 1379 | } /* end RecordSanityCheckRegisterClients */ | |||
| 1380 | ||||
| 1381 | /* This is a tactical structure used to gather information about all the sets | |||
| 1382 | * (RecordSetPtr) that need to be created for an RCAP in the process of | |||
| 1383 | * digesting a list of RECORDRANGEs (converting it to the internal | |||
| 1384 | * representation). | |||
| 1385 | */ | |||
| 1386 | typedef struct { | |||
| 1387 | int nintervals; /* number of intervals in following array */ | |||
| 1388 | RecordSetInterval *intervals; /* array of intervals for this set */ | |||
| 1389 | int size; /* size of intevals array; >= nintervals */ | |||
| 1390 | int align; /* alignment restriction for set */ | |||
| 1391 | int offset; /* where to store set pointer rel. to start of RCAP */ | |||
| 1392 | short first, last; /* if for extension, major opcode interval */ | |||
| 1393 | } SetInfoRec, *SetInfoPtr; | |||
| 1394 | ||||
| 1395 | #if defined(ERR) && defined(__sun) | |||
| 1396 | #undef ERR /* Avoid conflict with Solaris <sys/regset.h> */ | |||
| 1397 | #endif | |||
| 1398 | ||||
| 1399 | /* These constant are used to index into an array of SetInfoRec. */ | |||
| 1400 | enum { REQ, /* set info for requests */ | |||
| 1401 | REP, /* set info for replies */ | |||
| 1402 | ERR, /* set info for errors */ | |||
| 1403 | DEV, /* set info for device events */ | |||
| 1404 | DLEV, /* set info for delivered events */ | |||
| 1405 | PREDEFSETS | |||
| 1406 | }; /* number of predefined array entries */ | |||
| 1407 | ||||
| 1408 | /* RecordAllocIntervals | |||
| 1409 | * | |||
| 1410 | * Arguments: | |||
| 1411 | * psi is a pointer to a SetInfoRec whose intervals pointer is NULL. | |||
| 1412 | * nIntervals is the desired size of the intervals array. | |||
| 1413 | * | |||
| 1414 | * Returns: BadAlloc if a memory allocation error occurred, else Success. | |||
| 1415 | * | |||
| 1416 | * Side Effects: | |||
| 1417 | * If Success is returned, psi->intervals is a pointer to size | |||
| 1418 | * RecordSetIntervals, all zeroed, and psi->size is set to size. | |||
| 1419 | */ | |||
| 1420 | static int | |||
| 1421 | RecordAllocIntervals(SetInfoPtr psi, int nIntervals) | |||
| 1422 | { | |||
| 1423 | assert(!psi->intervals)(__builtin_expect(!(!psi->intervals), 0) ? __assert_rtn(__func__ , "record.c", 1423, "!psi->intervals") : (void)0); | |||
| 1424 | psi->intervals = (RecordSetInterval *) | |||
| 1425 | malloc(nIntervals * sizeof(RecordSetInterval)); | |||
| 1426 | if (!psi->intervals) | |||
| 1427 | return BadAlloc11; | |||
| 1428 | memset(psi->intervals, 0, nIntervals * sizeof(RecordSetInterval))__builtin___memset_chk (psi->intervals, 0, nIntervals * sizeof (RecordSetInterval), __builtin_object_size (psi->intervals , 0)); | |||
| 1429 | psi->size = nIntervals; | |||
| 1430 | return Success0; | |||
| 1431 | } /* end RecordAllocIntervals */ | |||
| 1432 | ||||
| 1433 | /* RecordConvertRangesToIntervals | |||
| 1434 | * | |||
| 1435 | * Arguments: | |||
| 1436 | * psi is a pointer to the SetInfoRec we are building. | |||
| 1437 | * pRanges is an array of xRecordRanges. | |||
| 1438 | * nRanges is the number of elements in pRanges. | |||
| 1439 | * byteoffset is the offset from the start of an xRecordRange of the | |||
| 1440 | * two bytes (1 for first, 1 for last) we are interested in. | |||
| 1441 | * pExtSetInfo, if non-NULL, indicates that the two bytes mentioned | |||
| 1442 | * above are followed by four bytes (2 for first, 2 for last) | |||
| 1443 | * representing a minor opcode range, and this information should be | |||
| 1444 | * stored in one of the SetInfoRecs starting at pExtSetInfo. | |||
| 1445 | * pnExtSetInfo is the number of elements in the pExtSetInfo array. | |||
| 1446 | * | |||
| 1447 | * Returns: BadAlloc if a memory allocation error occurred, else Success. | |||
| 1448 | * | |||
| 1449 | * Side Effects: | |||
| 1450 | * The slice of pRanges indicated by byteoffset is stored in psi. | |||
| 1451 | * If pExtSetInfo is non-NULL, minor opcode intervals are stored | |||
| 1452 | * in an existing SetInfoRec if the major opcode interval matches, else | |||
| 1453 | * they are stored in a new SetInfoRec, and *pnExtSetInfo is | |||
| 1454 | * increased accordingly. | |||
| 1455 | */ | |||
| 1456 | static int | |||
| 1457 | RecordConvertRangesToIntervals(SetInfoPtr psi, | |||
| 1458 | xRecordRange * pRanges, | |||
| 1459 | int nRanges, | |||
| 1460 | int byteoffset, | |||
| 1461 | SetInfoPtr pExtSetInfo, int *pnExtSetInfo) | |||
| 1462 | { | |||
| 1463 | int i; | |||
| 1464 | CARD8 *pCARD8; | |||
| 1465 | int first, last; | |||
| 1466 | int err; | |||
| 1467 | ||||
| 1468 | for (i = 0; i < nRanges; i++, pRanges++) { | |||
| 1469 | pCARD8 = ((CARD8 *) pRanges) + byteoffset; | |||
| 1470 | first = pCARD8[0]; | |||
| 1471 | last = pCARD8[1]; | |||
| 1472 | if (first || last) { | |||
| 1473 | if (!psi->intervals) { | |||
| 1474 | err = RecordAllocIntervals(psi, 2 * (nRanges - i)); | |||
| 1475 | if (err != Success0) | |||
| 1476 | return err; | |||
| 1477 | } | |||
| 1478 | psi->intervals[psi->nintervals].first = first; | |||
| 1479 | psi->intervals[psi->nintervals].last = last; | |||
| 1480 | psi->nintervals++; | |||
| 1481 | assert(psi->nintervals <= psi->size)(__builtin_expect(!(psi->nintervals <= psi->size), 0 ) ? __assert_rtn(__func__, "record.c", 1481, "psi->nintervals <= psi->size" ) : (void)0); | |||
| 1482 | if (pExtSetInfo) { | |||
| 1483 | SetInfoPtr pesi = pExtSetInfo; | |||
| 1484 | CARD16 *pCARD16 = (CARD16 *) (pCARD8 + 2); | |||
| 1485 | int j; | |||
| 1486 | ||||
| 1487 | for (j = 0; j < *pnExtSetInfo; j++, pesi++) { | |||
| 1488 | if ((first == pesi->first) && (last == pesi->last)) | |||
| 1489 | break; | |||
| 1490 | } | |||
| 1491 | if (j == *pnExtSetInfo) { | |||
| 1492 | err = RecordAllocIntervals(pesi, 2 * (nRanges - i)); | |||
| 1493 | if (err != Success0) | |||
| 1494 | return err; | |||
| 1495 | pesi->first = first; | |||
| 1496 | pesi->last = last; | |||
| 1497 | (*pnExtSetInfo)++; | |||
| 1498 | } | |||
| 1499 | pesi->intervals[pesi->nintervals].first = pCARD16[0]; | |||
| 1500 | pesi->intervals[pesi->nintervals].last = pCARD16[1]; | |||
| 1501 | pesi->nintervals++; | |||
| 1502 | assert(pesi->nintervals <= pesi->size)(__builtin_expect(!(pesi->nintervals <= pesi->size), 0) ? __assert_rtn(__func__, "record.c", 1502, "pesi->nintervals <= pesi->size" ) : (void)0); | |||
| 1503 | } | |||
| 1504 | } | |||
| 1505 | } | |||
| 1506 | return Success0; | |||
| 1507 | } /* end RecordConvertRangesToIntervals */ | |||
| 1508 | ||||
| 1509 | #define offset_of(_structure, _field)((char *)(& (_structure . _field)) - (char *)(&_structure )) \ | |||
| 1510 | ((char *)(& (_structure . _field)) - (char *)(&_structure)) | |||
| 1511 | ||||
| 1512 | /* RecordRegisterClients | |||
| 1513 | * | |||
| 1514 | * Arguments: | |||
| 1515 | * pContext is the context on which to register the clients. | |||
| 1516 | * client is the client that issued the RecordCreateContext or | |||
| 1517 | * RecordRegisterClients request. | |||
| 1518 | * stuff is a pointer to the request. | |||
| 1519 | * | |||
| 1520 | * Returns: | |||
| 1521 | * Any one of several possible error values defined by the protocol. | |||
| 1522 | * Success if everything is OK. | |||
| 1523 | * | |||
| 1524 | * Side Effects: | |||
| 1525 | * If different element headers are specified, the context is flushed. | |||
| 1526 | * If any of the specified clients are already registered on the | |||
| 1527 | * context, they are first unregistered. A new RCAP is created to | |||
| 1528 | * hold the specified protocol and clients, and it is linked onto the | |||
| 1529 | * context. If the context is enabled, appropriate hooks are installed | |||
| 1530 | * to record the new clients and protocol. | |||
| 1531 | */ | |||
| 1532 | static int | |||
| 1533 | RecordRegisterClients(RecordContextPtr pContext, ClientPtr client, | |||
| 1534 | xRecordRegisterClientsReq * stuff) | |||
| 1535 | { | |||
| 1536 | int err; | |||
| 1537 | int i; | |||
| 1538 | SetInfoPtr si; | |||
| 1539 | int maxSets; | |||
| 1540 | int nExtReqSets = 0; | |||
| 1541 | int nExtRepSets = 0; | |||
| 1542 | int extReqSetsOffset = 0; | |||
| 1543 | int extRepSetsOffset = 0; | |||
| 1544 | SetInfoPtr pExtReqSets, pExtRepSets; | |||
| 1545 | int clientListOffset; | |||
| 1546 | XID *pCanonClients; | |||
| 1547 | int clientStarted = 0, clientDied = 0; | |||
| 1548 | xRecordRange *pRanges, rr; | |||
| 1549 | int nClients; | |||
| 1550 | int sizeClients; | |||
| 1551 | int totRCAPsize; | |||
| 1552 | RecordClientsAndProtocolPtr pRCAP; | |||
| 1553 | int pad; | |||
| 1554 | XID recordingClient; | |||
| 1555 | ||||
| 1556 | /* do all sanity checking up front */ | |||
| 1557 | ||||
| 1558 | err = RecordSanityCheckRegisterClients(pContext, client, stuff); | |||
| 1559 | if (err != Success0) | |||
| 1560 | return err; | |||
| 1561 | ||||
| 1562 | /* if element headers changed, flush buffer */ | |||
| 1563 | ||||
| 1564 | if (pContext->elemHeaders != stuff->elementHeader) { | |||
| 1565 | RecordFlushReplyBuffer(pContext, NULL((void*)0), 0, NULL((void*)0), 0); | |||
| 1566 | pContext->elemHeaders = stuff->elementHeader; | |||
| 1567 | } | |||
| 1568 | ||||
| 1569 | nClients = stuff->nClients; | |||
| 1570 | if (!nClients) | |||
| 1571 | /* if empty clients list, we're done. */ | |||
| 1572 | return Success0; | |||
| 1573 | ||||
| 1574 | recordingClient = pContext->pRecordingClient ? | |||
| 1575 | pContext->pRecordingClient->clientAsMask : 0; | |||
| 1576 | pCanonClients = RecordCanonicalizeClientSpecifiers((XID *) &stuff[1], | |||
| 1577 | &nClients, | |||
| 1578 | recordingClient); | |||
| 1579 | if (!pCanonClients) | |||
| 1580 | return BadAlloc11; | |||
| 1581 | ||||
| 1582 | /* We may have to create as many as one set for each "predefined" | |||
| 1583 | * protocol types, plus one per range for extension reuests, plus one per | |||
| 1584 | * range for extension replies. | |||
| 1585 | */ | |||
| 1586 | maxSets = PREDEFSETS + 2 * stuff->nRanges; | |||
| 1587 | si = (SetInfoPtr) malloc(sizeof(SetInfoRec) * maxSets); | |||
| 1588 | if (!si) { | |||
| 1589 | err = BadAlloc11; | |||
| 1590 | goto bailout; | |||
| 1591 | } | |||
| 1592 | memset(si, 0, sizeof(SetInfoRec) * maxSets)__builtin___memset_chk (si, 0, sizeof(SetInfoRec) * maxSets, __builtin_object_size (si, 0)); | |||
| 1593 | ||||
| 1594 | /* theoretically you must do this because NULL may not be all-bits-zero */ | |||
| 1595 | for (i = 0; i < maxSets; i++) | |||
| 1596 | si[i].intervals = NULL((void*)0); | |||
| 1597 | ||||
| 1598 | pExtReqSets = si + PREDEFSETS; | |||
| 1599 | pExtRepSets = pExtReqSets + stuff->nRanges; | |||
| 1600 | ||||
| 1601 | pRanges = (xRecordRange *) (((XID *) &stuff[1]) + stuff->nClients); | |||
| 1602 | ||||
| 1603 | err = RecordConvertRangesToIntervals(&si[REQ], pRanges, stuff->nRanges, | |||
| 1604 | offset_of(rr, coreRequestsFirst)((char *)(& (rr . coreRequestsFirst)) - (char *)(&rr) ), NULL((void*)0), | |||
| 1605 | NULL((void*)0)); | |||
| 1606 | if (err != Success0) | |||
| 1607 | goto bailout; | |||
| 1608 | ||||
| 1609 | err = RecordConvertRangesToIntervals(&si[REQ], pRanges, stuff->nRanges, | |||
| 1610 | offset_of(rr, extRequestsMajorFirst)((char *)(& (rr . extRequestsMajorFirst)) - (char *)(& rr)), | |||
| 1611 | pExtReqSets, &nExtReqSets); | |||
| 1612 | if (err != Success0) | |||
| 1613 | goto bailout; | |||
| 1614 | ||||
| 1615 | err = RecordConvertRangesToIntervals(&si[REP], pRanges, stuff->nRanges, | |||
| 1616 | offset_of(rr, coreRepliesFirst)((char *)(& (rr . coreRepliesFirst)) - (char *)(&rr)), NULL((void*)0), | |||
| 1617 | NULL((void*)0)); | |||
| 1618 | if (err != Success0) | |||
| 1619 | goto bailout; | |||
| 1620 | ||||
| 1621 | err = RecordConvertRangesToIntervals(&si[REP], pRanges, stuff->nRanges, | |||
| 1622 | offset_of(rr, extRepliesMajorFirst)((char *)(& (rr . extRepliesMajorFirst)) - (char *)(& rr)), | |||
| 1623 | pExtRepSets, &nExtRepSets); | |||
| 1624 | if (err != Success0) | |||
| 1625 | goto bailout; | |||
| 1626 | ||||
| 1627 | err = RecordConvertRangesToIntervals(&si[ERR], pRanges, stuff->nRanges, | |||
| 1628 | offset_of(rr, errorsFirst)((char *)(& (rr . errorsFirst)) - (char *)(&rr)), NULL((void*)0), | |||
| 1629 | NULL((void*)0)); | |||
| 1630 | if (err != Success0) | |||
| 1631 | goto bailout; | |||
| 1632 | ||||
| 1633 | err = RecordConvertRangesToIntervals(&si[DLEV], pRanges, stuff->nRanges, | |||
| 1634 | offset_of(rr, deliveredEventsFirst)((char *)(& (rr . deliveredEventsFirst)) - (char *)(& rr)), | |||
| 1635 | NULL((void*)0), NULL((void*)0)); | |||
| 1636 | if (err != Success0) | |||
| 1637 | goto bailout; | |||
| 1638 | ||||
| 1639 | err = RecordConvertRangesToIntervals(&si[DEV], pRanges, stuff->nRanges, | |||
| 1640 | offset_of(rr, deviceEventsFirst)((char *)(& (rr . deviceEventsFirst)) - (char *)(&rr) ), NULL((void*)0), | |||
| 1641 | NULL((void*)0)); | |||
| 1642 | if (err != Success0) | |||
| 1643 | goto bailout; | |||
| 1644 | ||||
| 1645 | /* collect client-started and client-died */ | |||
| 1646 | ||||
| 1647 | for (i = 0; i < stuff->nRanges; i++) { | |||
| 1648 | if (pRanges[i].clientStarted) | |||
| 1649 | clientStarted = TRUE1; | |||
| 1650 | if (pRanges[i].clientDied) | |||
| 1651 | clientDied = TRUE1; | |||
| 1652 | } | |||
| 1653 | ||||
| 1654 | /* We now have all the information collected to create all the sets, | |||
| 1655 | * and we can compute the total memory required for the RCAP. | |||
| 1656 | */ | |||
| 1657 | ||||
| 1658 | totRCAPsize = sizeof(RecordClientsAndProtocolRec); | |||
| 1659 | ||||
| 1660 | /* leave a little room to grow before forcing a separate allocation */ | |||
| 1661 | sizeClients = nClients + CLIENT_ARRAY_GROWTH_INCREMENT4; | |||
| 1662 | pad = RecordPadAlign(totRCAPsize, sizeof(XID)); | |||
| 1663 | clientListOffset = totRCAPsize + pad; | |||
| 1664 | totRCAPsize += pad + sizeClients * sizeof(XID); | |||
| 1665 | ||||
| 1666 | if (nExtReqSets) { | |||
| 1667 | pad = RecordPadAlign(totRCAPsize, sizeof(RecordSetPtr)); | |||
| 1668 | extReqSetsOffset = totRCAPsize + pad; | |||
| 1669 | totRCAPsize += pad + (nExtReqSets + 1) * sizeof(RecordMinorOpRec); | |||
| 1670 | } | |||
| 1671 | if (nExtRepSets) { | |||
| 1672 | pad = RecordPadAlign(totRCAPsize, sizeof(RecordSetPtr)); | |||
| 1673 | extRepSetsOffset = totRCAPsize + pad; | |||
| 1674 | totRCAPsize += pad + (nExtRepSets + 1) * sizeof(RecordMinorOpRec); | |||
| 1675 | } | |||
| 1676 | ||||
| 1677 | for (i = 0; i < maxSets; i++) { | |||
| 1678 | if (si[i].nintervals) { | |||
| 1679 | si[i].size = | |||
| 1680 | RecordSetMemoryRequirements(si[i].intervals, si[i].nintervals, | |||
| 1681 | &si[i].align); | |||
| 1682 | pad = RecordPadAlign(totRCAPsize, si[i].align); | |||
| 1683 | si[i].offset = pad + totRCAPsize; | |||
| 1684 | totRCAPsize += pad + si[i].size; | |||
| 1685 | } | |||
| 1686 | } | |||
| 1687 | ||||
| 1688 | /* allocate memory for the whole RCAP */ | |||
| 1689 | ||||
| 1690 | pRCAP = (RecordClientsAndProtocolPtr) malloc(totRCAPsize); | |||
| 1691 | if (!pRCAP) { | |||
| 1692 | err = BadAlloc11; | |||
| 1693 | goto bailout; | |||
| 1694 | } | |||
| 1695 | ||||
| 1696 | /* fill in the RCAP */ | |||
| 1697 | ||||
| 1698 | pRCAP->pContext = pContext; | |||
| 1699 | pRCAP->pClientIDs = (XID *) ((char *) pRCAP + clientListOffset); | |||
| 1700 | pRCAP->numClients = nClients; | |||
| 1701 | pRCAP->sizeClients = sizeClients; | |||
| 1702 | pRCAP->clientIDsSeparatelyAllocated = 0; | |||
| 1703 | for (i = 0; i < nClients; i++) { | |||
| 1704 | RecordDeleteClientFromContext(pContext, pCanonClients[i]); | |||
| 1705 | pRCAP->pClientIDs[i] = pCanonClients[i]; | |||
| 1706 | } | |||
| 1707 | ||||
| 1708 | /* create all the sets */ | |||
| 1709 | ||||
| 1710 | if (si[REQ].intervals) { | |||
| 1711 | pRCAP->pRequestMajorOpSet = | |||
| 1712 | RecordCreateSet(si[REQ].intervals, si[REQ].nintervals, | |||
| 1713 | (RecordSetPtr) ((char *) pRCAP + si[REQ].offset), | |||
| 1714 | si[REQ].size); | |||
| 1715 | } | |||
| 1716 | else | |||
| 1717 | pRCAP->pRequestMajorOpSet = NULL((void*)0); | |||
| 1718 | ||||
| 1719 | if (si[REP].intervals) { | |||
| 1720 | pRCAP->pReplyMajorOpSet = | |||
| 1721 | RecordCreateSet(si[REP].intervals, si[REP].nintervals, | |||
| 1722 | (RecordSetPtr) ((char *) pRCAP + si[REP].offset), | |||
| 1723 | si[REP].size); | |||
| 1724 | } | |||
| 1725 | else | |||
| 1726 | pRCAP->pReplyMajorOpSet = NULL((void*)0); | |||
| 1727 | ||||
| 1728 | if (si[ERR].intervals) { | |||
| 1729 | pRCAP->pErrorSet = | |||
| 1730 | RecordCreateSet(si[ERR].intervals, si[ERR].nintervals, | |||
| 1731 | (RecordSetPtr) ((char *) pRCAP + si[ERR].offset), | |||
| 1732 | si[ERR].size); | |||
| 1733 | } | |||
| 1734 | else | |||
| 1735 | pRCAP->pErrorSet = NULL((void*)0); | |||
| 1736 | ||||
| 1737 | if (si[DEV].intervals) { | |||
| 1738 | pRCAP->pDeviceEventSet = | |||
| 1739 | RecordCreateSet(si[DEV].intervals, si[DEV].nintervals, | |||
| 1740 | (RecordSetPtr) ((char *) pRCAP + si[DEV].offset), | |||
| 1741 | si[DEV].size); | |||
| 1742 | } | |||
| 1743 | else | |||
| 1744 | pRCAP->pDeviceEventSet = NULL((void*)0); | |||
| 1745 | ||||
| 1746 | if (si[DLEV].intervals) { | |||
| 1747 | pRCAP->pDeliveredEventSet = | |||
| 1748 | RecordCreateSet(si[DLEV].intervals, si[DLEV].nintervals, | |||
| 1749 | (RecordSetPtr) ((char *) pRCAP + si[DLEV].offset), | |||
| 1750 | si[DLEV].size); | |||
| 1751 | } | |||
| 1752 | else | |||
| 1753 | pRCAP->pDeliveredEventSet = NULL((void*)0); | |||
| 1754 | ||||
| 1755 | if (nExtReqSets) { | |||
| 1756 | pRCAP->pRequestMinOpInfo = (RecordMinorOpPtr) | |||
| 1757 | ((char *) pRCAP + extReqSetsOffset); | |||
| 1758 | pRCAP->pRequestMinOpInfo[0].count = nExtReqSets; | |||
| 1759 | for (i = 0; i < nExtReqSets; i++, pExtReqSets++) { | |||
| 1760 | pRCAP->pRequestMinOpInfo[i + 1].major.first = pExtReqSets->first; | |||
| 1761 | pRCAP->pRequestMinOpInfo[i + 1].major.last = pExtReqSets->last; | |||
| 1762 | pRCAP->pRequestMinOpInfo[i + 1].major.pMinOpSet = | |||
| 1763 | RecordCreateSet(pExtReqSets->intervals, | |||
| 1764 | pExtReqSets->nintervals, | |||
| 1765 | (RecordSetPtr) ((char *) pRCAP + | |||
| 1766 | pExtReqSets->offset), | |||
| 1767 | pExtReqSets->size); | |||
| 1768 | } | |||
| 1769 | } | |||
| 1770 | else | |||
| 1771 | pRCAP->pRequestMinOpInfo = NULL((void*)0); | |||
| 1772 | ||||
| 1773 | if (nExtRepSets) { | |||
| 1774 | pRCAP->pReplyMinOpInfo = (RecordMinorOpPtr) | |||
| 1775 | ((char *) pRCAP + extRepSetsOffset); | |||
| 1776 | pRCAP->pReplyMinOpInfo[0].count = nExtRepSets; | |||
| 1777 | for (i = 0; i < nExtRepSets; i++, pExtRepSets++) { | |||
| 1778 | pRCAP->pReplyMinOpInfo[i + 1].major.first = pExtRepSets->first; | |||
| 1779 | pRCAP->pReplyMinOpInfo[i + 1].major.last = pExtRepSets->last; | |||
| 1780 | pRCAP->pReplyMinOpInfo[i + 1].major.pMinOpSet = | |||
| 1781 | RecordCreateSet(pExtRepSets->intervals, | |||
| 1782 | pExtRepSets->nintervals, | |||
| 1783 | (RecordSetPtr) ((char *) pRCAP + | |||
| 1784 | pExtRepSets->offset), | |||
| 1785 | pExtRepSets->size); | |||
| 1786 | } | |||
| 1787 | } | |||
| 1788 | else | |||
| 1789 | pRCAP->pReplyMinOpInfo = NULL((void*)0); | |||
| 1790 | ||||
| 1791 | pRCAP->clientStarted = clientStarted; | |||
| 1792 | pRCAP->clientDied = clientDied; | |||
| 1793 | ||||
| 1794 | /* link the RCAP onto the context */ | |||
| 1795 | ||||
| 1796 | pRCAP->pNextRCAP = pContext->pListOfRCAP; | |||
| 1797 | pContext->pListOfRCAP = pRCAP; | |||
| 1798 | ||||
| 1799 | if (pContext->pRecordingClient) /* context enabled */ | |||
| 1800 | RecordInstallHooks(pRCAP, 0); | |||
| 1801 | ||||
| 1802 | bailout: | |||
| 1803 | if (si) { | |||
| 1804 | for (i = 0; i < maxSets; i++) | |||
| 1805 | free(si[i].intervals); | |||
| 1806 | free(si); | |||
| 1807 | } | |||
| 1808 | if (pCanonClients && pCanonClients != (XID *) &stuff[1]) | |||
| 1809 | free(pCanonClients); | |||
| 1810 | return err; | |||
| 1811 | } /* RecordRegisterClients */ | |||
| 1812 | ||||
| 1813 | /* Proc functions all take a client argument, execute the request in | |||
| 1814 | * client->requestBuffer, and return a protocol error status. | |||
| 1815 | */ | |||
| 1816 | ||||
| 1817 | static int | |||
| 1818 | ProcRecordQueryVersion(ClientPtr client) | |||
| 1819 | { | |||
| 1820 | /* REQUEST(xRecordQueryVersionReq); */ | |||
| 1821 | xRecordQueryVersionReply rep = { | |||
| 1822 | .type = X_Reply1, | |||
| 1823 | .sequenceNumber = client->sequence, | |||
| 1824 | .length = 0, | |||
| 1825 | .majorVersion = SERVER_RECORD_MAJOR_VERSION1, | |||
| 1826 | .minorVersion = SERVER_RECORD_MINOR_VERSION13 | |||
| 1827 | }; | |||
| 1828 | ||||
| 1829 | REQUEST_SIZE_MATCH(xRecordQueryVersionReq)if ((sizeof(xRecordQueryVersionReq) >> 2) != client-> req_len) return(16); | |||
| 1830 | if (client->swapped) { | |||
| 1831 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 1832 | swaps(&rep.majorVersion)do { if (sizeof(*(&rep.majorVersion)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.majorVersion) & 1) && ((uintptr_t)(&rep.majorVersion) & 1) == 0) *(&rep.majorVersion) = lswaps(*(&rep.majorVersion )); else swap_uint16((uint16_t *)(&rep.majorVersion)); } while (0); | |||
| 1833 | swaps(&rep.minorVersion)do { if (sizeof(*(&rep.minorVersion)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.minorVersion) & 1) && ((uintptr_t)(&rep.minorVersion) & 1) == 0) *(&rep.minorVersion) = lswaps(*(&rep.minorVersion )); else swap_uint16((uint16_t *)(&rep.minorVersion)); } while (0); | |||
| 1834 | } | |||
| 1835 | WriteToClient(client, sizeof(xRecordQueryVersionReply), &rep); | |||
| 1836 | return Success0; | |||
| 1837 | } /* ProcRecordQueryVersion */ | |||
| 1838 | ||||
| 1839 | static int | |||
| 1840 | ProcRecordCreateContext(ClientPtr client) | |||
| 1841 | { | |||
| 1842 | REQUEST(xRecordCreateContextReq)xRecordCreateContextReq *stuff = (xRecordCreateContextReq *)client ->requestBuffer; | |||
| 1843 | RecordContextPtr pContext; | |||
| 1844 | RecordContextPtr *ppNewAllContexts = NULL((void*)0); | |||
| 1845 | int err = BadAlloc11; | |||
| 1846 | ||||
| 1847 | REQUEST_AT_LEAST_SIZE(xRecordCreateContextReq)if ((sizeof(xRecordCreateContextReq) >> 2) > client-> req_len ) return(16); | |||
| 1848 | LEGAL_NEW_RESOURCE(stuff->context, client)if (!LegalNewID(stuff->context,client)) { client->errorValue = stuff->context; return 14; }; | |||
| 1849 | ||||
| 1850 | pContext = (RecordContextPtr) malloc(sizeof(RecordContextRec)); | |||
| 1851 | if (!pContext) | |||
| 1852 | goto bailout; | |||
| 1853 | ||||
| 1854 | /* make sure there is room in ppAllContexts to store the new context */ | |||
| 1855 | ||||
| 1856 | ppNewAllContexts = (RecordContextPtr *) | |||
| 1857 | realloc(ppAllContexts, sizeof(RecordContextPtr) * (numContexts + 1)); | |||
| 1858 | if (!ppNewAllContexts) | |||
| 1859 | goto bailout; | |||
| 1860 | ppAllContexts = ppNewAllContexts; | |||
| 1861 | ||||
| 1862 | pContext->id = stuff->context; | |||
| 1863 | pContext->pRecordingClient = NULL((void*)0); | |||
| 1864 | pContext->pListOfRCAP = NULL((void*)0); | |||
| 1865 | pContext->elemHeaders = 0; | |||
| 1866 | pContext->bufCategory = 0; | |||
| 1867 | pContext->numBufBytes = 0; | |||
| 1868 | pContext->pBufClient = NULL((void*)0); | |||
| 1869 | pContext->continuedReply = 0; | |||
| 1870 | pContext->inFlush = 0; | |||
| 1871 | ||||
| 1872 | err = RecordRegisterClients(pContext, client, | |||
| 1873 | (xRecordRegisterClientsReq *) stuff); | |||
| 1874 | if (err != Success0) | |||
| 1875 | goto bailout; | |||
| 1876 | ||||
| 1877 | if (AddResourceDarwin_X_AddResource(pContext->id, RTContext, pContext)) { | |||
| 1878 | ppAllContexts[numContexts++] = pContext; | |||
| 1879 | return Success0; | |||
| 1880 | } | |||
| 1881 | else { | |||
| 1882 | RecordDeleteContext((void *) pContext, pContext->id); | |||
| 1883 | return BadAlloc11; | |||
| 1884 | } | |||
| 1885 | bailout: | |||
| 1886 | free(pContext); | |||
| 1887 | return err; | |||
| 1888 | } /* ProcRecordCreateContext */ | |||
| 1889 | ||||
| 1890 | static int | |||
| 1891 | ProcRecordRegisterClients(ClientPtr client) | |||
| 1892 | { | |||
| 1893 | RecordContextPtr pContext; | |||
| 1894 | ||||
| 1895 | REQUEST(xRecordRegisterClientsReq)xRecordRegisterClientsReq *stuff = (xRecordRegisterClientsReq *)client->requestBuffer; | |||
| 1896 | ||||
| 1897 | REQUEST_AT_LEAST_SIZE(xRecordRegisterClientsReq)if ((sizeof(xRecordRegisterClientsReq) >> 2) > client ->req_len ) return(16); | |||
| 1898 | VERIFY_CONTEXT(pContext, stuff->context, client){ int rc = dixLookupResourceByType((void **)&(pContext), stuff ->context, RTContext, client, (1<<24)); if (rc != 0) return rc; }; | |||
| 1899 | ||||
| 1900 | return RecordRegisterClients(pContext, client, stuff); | |||
| 1901 | } /* ProcRecordRegisterClients */ | |||
| 1902 | ||||
| 1903 | static int | |||
| 1904 | ProcRecordUnregisterClients(ClientPtr client) | |||
| 1905 | { | |||
| 1906 | RecordContextPtr pContext; | |||
| 1907 | int err; | |||
| 1908 | ||||
| 1909 | REQUEST(xRecordUnregisterClientsReq)xRecordUnregisterClientsReq *stuff = (xRecordUnregisterClientsReq *)client->requestBuffer; | |||
| 1910 | XID *pCanonClients; | |||
| 1911 | int nClients; | |||
| 1912 | int i; | |||
| 1913 | ||||
| 1914 | REQUEST_AT_LEAST_SIZE(xRecordUnregisterClientsReq)if ((sizeof(xRecordUnregisterClientsReq) >> 2) > client ->req_len ) return(16); | |||
| 1915 | if ((client->req_len << 2) - SIZEOF(xRecordUnregisterClientsReq)12 != | |||
| 1916 | 4 * stuff->nClients) | |||
| 1917 | return BadLength16; | |||
| 1918 | VERIFY_CONTEXT(pContext, stuff->context, client){ int rc = dixLookupResourceByType((void **)&(pContext), stuff ->context, RTContext, client, (1<<24)); if (rc != 0) return rc; }; | |||
| 1919 | err = RecordSanityCheckClientSpecifiers(client, (XID *) &stuff[1], | |||
| 1920 | stuff->nClients, 0); | |||
| 1921 | if (err != Success0) | |||
| 1922 | return err; | |||
| 1923 | ||||
| 1924 | nClients = stuff->nClients; | |||
| 1925 | pCanonClients = RecordCanonicalizeClientSpecifiers((XID *) &stuff[1], | |||
| 1926 | &nClients, 0); | |||
| 1927 | if (!pCanonClients) | |||
| 1928 | return BadAlloc11; | |||
| 1929 | ||||
| 1930 | for (i = 0; i < nClients; i++) { | |||
| 1931 | RecordDeleteClientFromContext(pContext, pCanonClients[i]); | |||
| 1932 | } | |||
| 1933 | if (pCanonClients != (XID *) &stuff[1]) | |||
| 1934 | free(pCanonClients); | |||
| 1935 | return Success0; | |||
| 1936 | } /* ProcRecordUnregisterClients */ | |||
| 1937 | ||||
| 1938 | /****************************************************************************/ | |||
| 1939 | ||||
| 1940 | /* stuff for GetContext */ | |||
| 1941 | ||||
| 1942 | /* This is a tactical structure used to hold the xRecordRanges as they are | |||
| 1943 | * being reconstituted from the sets in the RCAPs. | |||
| 1944 | */ | |||
| 1945 | ||||
| 1946 | typedef struct { | |||
| 1947 | xRecordRange *pRanges; /* array of xRecordRanges for one RCAP */ | |||
| 1948 | int size; /* number of elements in pRanges, >= nRanges */ | |||
| 1949 | int nRanges; /* number of occupied element of pRanges */ | |||
| 1950 | } GetContextRangeInfoRec, *GetContextRangeInfoPtr; | |||
| 1951 | ||||
| 1952 | /* RecordAllocRanges | |||
| 1953 | * | |||
| 1954 | * Arguments: | |||
| 1955 | * pri is a pointer to a GetContextRangeInfoRec to allocate for. | |||
| 1956 | * nRanges is the number of xRecordRanges desired for pri. | |||
| 1957 | * | |||
| 1958 | * Returns: BadAlloc if a memory allocation error occurred, else Success. | |||
| 1959 | * | |||
| 1960 | * Side Effects: | |||
| 1961 | * If Success is returned, pri->pRanges points to at least nRanges | |||
| 1962 | * ranges. pri->nRanges is set to nRanges. pri->size is the actual | |||
| 1963 | * number of ranges. Newly allocated ranges are zeroed. | |||
| 1964 | */ | |||
| 1965 | static int | |||
| 1966 | RecordAllocRanges(GetContextRangeInfoPtr pri, int nRanges) | |||
| 1967 | { | |||
| 1968 | int newsize; | |||
| 1969 | xRecordRange *pNewRange; | |||
| 1970 | ||||
| 1971 | #define SZINCR8 8 | |||
| 1972 | ||||
| 1973 | newsize = max(pri->size + SZINCR, nRanges)(((pri->size + 8) > (nRanges)) ? (pri->size + 8) : ( nRanges)); | |||
| 1974 | pNewRange = (xRecordRange *) realloc(pri->pRanges, | |||
| 1975 | newsize * sizeof(xRecordRange)); | |||
| 1976 | if (!pNewRange) | |||
| 1977 | return BadAlloc11; | |||
| 1978 | ||||
| 1979 | pri->pRanges = pNewRange; | |||
| 1980 | pri->size = newsize; | |||
| 1981 | memset(&pri->pRanges[pri->size - SZINCR], 0, SZINCR * sizeof(xRecordRange))__builtin___memset_chk (&pri->pRanges[pri->size - 8 ], 0, 8 * sizeof(xRecordRange), __builtin_object_size (&pri ->pRanges[pri->size - 8], 0)); | |||
| 1982 | if (pri->nRanges < nRanges) | |||
| 1983 | pri->nRanges = nRanges; | |||
| 1984 | return Success0; | |||
| 1985 | } /* RecordAllocRanges */ | |||
| 1986 | ||||
| 1987 | /* RecordConvertSetToRanges | |||
| 1988 | * | |||
| 1989 | * Arguments: | |||
| 1990 | * pSet is the set to be converted. | |||
| 1991 | * pri is where the result should be stored. | |||
| 1992 | * byteoffset is the offset from the start of an xRecordRange of the | |||
| 1993 | * two vales (first, last) we are interested in. | |||
| 1994 | * card8 is TRUE if the vales are one byte each and FALSE if two bytes | |||
| 1995 | * each. | |||
| 1996 | * imax is the largest set value to store in pri->pRanges. | |||
| 1997 | * pStartIndex, if non-NULL, is the index of the first range in | |||
| 1998 | * pri->pRanges that should be stored to. If NULL, | |||
| 1999 | * start at index 0. | |||
| 2000 | * | |||
| 2001 | * Returns: BadAlloc if a memory allocation error occurred, else Success. | |||
| 2002 | * | |||
| 2003 | * Side Effects: | |||
| 2004 | * If Success is returned, the slice of pri->pRanges indicated by | |||
| 2005 | * byteoffset and card8 is filled in with the intervals from pSet. | |||
| 2006 | * if pStartIndex was non-NULL, *pStartIndex is filled in with one | |||
| 2007 | * more than the index of the last xRecordRange that was touched. | |||
| 2008 | */ | |||
| 2009 | static int | |||
| 2010 | RecordConvertSetToRanges(RecordSetPtr pSet, | |||
| 2011 | GetContextRangeInfoPtr pri, | |||
| 2012 | int byteoffset, | |||
| 2013 | Bool card8, unsigned int imax, int *pStartIndex) | |||
| 2014 | { | |||
| 2015 | int nRanges; | |||
| 2016 | RecordSetIteratePtr pIter = NULL((void*)0); | |||
| 2017 | RecordSetInterval interval; | |||
| 2018 | CARD8 *pCARD8; | |||
| 2019 | CARD16 *pCARD16; | |||
| 2020 | int err; | |||
| 2021 | ||||
| 2022 | if (!pSet) | |||
| 2023 | return Success0; | |||
| 2024 | ||||
| 2025 | nRanges = pStartIndex ? *pStartIndex : 0; | |||
| 2026 | while ((pIter = RecordIterateSet(pSet, pIter, &interval)(*pSet->ops->IterateSet)( pSet, pIter, &interval))) { | |||
| 2027 | if (interval.first > imax) | |||
| 2028 | break; | |||
| 2029 | if (interval.last > imax) | |||
| 2030 | interval.last = imax; | |||
| 2031 | nRanges++; | |||
| 2032 | if (nRanges > pri->size) { | |||
| 2033 | err = RecordAllocRanges(pri, nRanges); | |||
| 2034 | if (err != Success0) | |||
| 2035 | return err; | |||
| 2036 | } | |||
| 2037 | else | |||
| 2038 | pri->nRanges = max(pri->nRanges, nRanges)(((pri->nRanges) > (nRanges)) ? (pri->nRanges) : (nRanges )); | |||
| 2039 | if (card8) { | |||
| 2040 | pCARD8 = ((CARD8 *) &pri->pRanges[nRanges - 1]) + byteoffset; | |||
| 2041 | *pCARD8++ = interval.first; | |||
| 2042 | *pCARD8 = interval.last; | |||
| 2043 | } | |||
| 2044 | else { | |||
| 2045 | pCARD16 = (CARD16 *) | |||
| 2046 | (((char *) &pri->pRanges[nRanges - 1]) + byteoffset); | |||
| 2047 | *pCARD16++ = interval.first; | |||
| 2048 | *pCARD16 = interval.last; | |||
| 2049 | } | |||
| 2050 | } | |||
| 2051 | if (pStartIndex) | |||
| 2052 | *pStartIndex = nRanges; | |||
| 2053 | return Success0; | |||
| 2054 | } /* RecordConvertSetToRanges */ | |||
| 2055 | ||||
| 2056 | /* RecordConvertMinorOpInfoToRanges | |||
| 2057 | * | |||
| 2058 | * Arguments: | |||
| 2059 | * pMinOpInfo is the minor opcode info to convert to xRecordRanges. | |||
| 2060 | * pri is where the result should be stored. | |||
| 2061 | * byteoffset is the offset from the start of an xRecordRange of the | |||
| 2062 | * four vales (CARD8 major_first, CARD8 major_last, | |||
| 2063 | * CARD16 minor_first, CARD16 minor_last) we are going to store. | |||
| 2064 | * | |||
| 2065 | * Returns: BadAlloc if a memory allocation error occurred, else Success. | |||
| 2066 | * | |||
| 2067 | * Side Effects: | |||
| 2068 | * If Success is returned, the slice of pri->pRanges indicated by | |||
| 2069 | * byteoffset is filled in with the information from pMinOpInfo. | |||
| 2070 | */ | |||
| 2071 | static int | |||
| 2072 | RecordConvertMinorOpInfoToRanges(RecordMinorOpPtr pMinOpInfo, | |||
| 2073 | GetContextRangeInfoPtr pri, int byteoffset) | |||
| 2074 | { | |||
| 2075 | int nsets; | |||
| 2076 | int start; | |||
| 2077 | int i; | |||
| 2078 | int err; | |||
| 2079 | ||||
| 2080 | if (!pMinOpInfo) | |||
| 2081 | return Success0; | |||
| 2082 | ||||
| 2083 | nsets = pMinOpInfo->count; | |||
| 2084 | pMinOpInfo++; | |||
| 2085 | start = 0; | |||
| 2086 | for (i = 0; i < nsets; i++) { | |||
| 2087 | int j, s; | |||
| 2088 | ||||
| 2089 | s = start; | |||
| 2090 | err = RecordConvertSetToRanges(pMinOpInfo[i].major.pMinOpSet, pri, | |||
| 2091 | byteoffset + 2, FALSE0, 65535, &start); | |||
| 2092 | if (err != Success0) | |||
| 2093 | return err; | |||
| 2094 | for (j = s; j < start; j++) { | |||
| 2095 | CARD8 *pCARD8 = ((CARD8 *) &pri->pRanges[j]) + byteoffset; | |||
| 2096 | ||||
| 2097 | *pCARD8++ = pMinOpInfo[i].major.first; | |||
| 2098 | *pCARD8 = pMinOpInfo[i].major.last; | |||
| 2099 | } | |||
| 2100 | } | |||
| 2101 | return Success0; | |||
| 2102 | } /* RecordConvertMinorOpInfoToRanges */ | |||
| 2103 | ||||
| 2104 | /* RecordSwapRanges | |||
| 2105 | * | |||
| 2106 | * Arguments: | |||
| 2107 | * pRanges is an array of xRecordRanges. | |||
| 2108 | * nRanges is the number of elements in pRanges. | |||
| 2109 | * | |||
| 2110 | * Returns: nothing. | |||
| 2111 | * | |||
| 2112 | * Side Effects: | |||
| 2113 | * The 16 bit fields of each xRecordRange are byte swapped. | |||
| 2114 | */ | |||
| 2115 | static void | |||
| 2116 | RecordSwapRanges(xRecordRange * pRanges, int nRanges) | |||
| 2117 | { | |||
| 2118 | int i; | |||
| 2119 | ||||
| 2120 | for (i = 0; i < nRanges; i++, pRanges++) { | |||
| 2121 | swaps(&pRanges->extRequestsMinorFirst)do { if (sizeof(*(&pRanges->extRequestsMinorFirst)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&pRanges ->extRequestsMinorFirst) & 1) && ((uintptr_t)( &pRanges->extRequestsMinorFirst) & 1) == 0) *(& pRanges->extRequestsMinorFirst) = lswaps(*(&pRanges-> extRequestsMinorFirst)); else swap_uint16((uint16_t *)(&pRanges ->extRequestsMinorFirst)); } while (0); | |||
| 2122 | swaps(&pRanges->extRequestsMinorLast)do { if (sizeof(*(&pRanges->extRequestsMinorLast)) != 2 ) wrong_size(); if (__builtin_constant_p((uintptr_t)(&pRanges ->extRequestsMinorLast) & 1) && ((uintptr_t)(& pRanges->extRequestsMinorLast) & 1) == 0) *(&pRanges ->extRequestsMinorLast) = lswaps(*(&pRanges->extRequestsMinorLast )); else swap_uint16((uint16_t *)(&pRanges->extRequestsMinorLast )); } while (0); | |||
| 2123 | swaps(&pRanges->extRepliesMinorFirst)do { if (sizeof(*(&pRanges->extRepliesMinorFirst)) != 2 ) wrong_size(); if (__builtin_constant_p((uintptr_t)(&pRanges ->extRepliesMinorFirst) & 1) && ((uintptr_t)(& pRanges->extRepliesMinorFirst) & 1) == 0) *(&pRanges ->extRepliesMinorFirst) = lswaps(*(&pRanges->extRepliesMinorFirst )); else swap_uint16((uint16_t *)(&pRanges->extRepliesMinorFirst )); } while (0); | |||
| 2124 | swaps(&pRanges->extRepliesMinorLast)do { if (sizeof(*(&pRanges->extRepliesMinorLast)) != 2 ) wrong_size(); if (__builtin_constant_p((uintptr_t)(&pRanges ->extRepliesMinorLast) & 1) && ((uintptr_t)(& pRanges->extRepliesMinorLast) & 1) == 0) *(&pRanges ->extRepliesMinorLast) = lswaps(*(&pRanges->extRepliesMinorLast )); else swap_uint16((uint16_t *)(&pRanges->extRepliesMinorLast )); } while (0); | |||
| 2125 | } | |||
| 2126 | } /* RecordSwapRanges */ | |||
| 2127 | ||||
| 2128 | static int | |||
| 2129 | ProcRecordGetContext(ClientPtr client) | |||
| 2130 | { | |||
| 2131 | RecordContextPtr pContext; | |||
| 2132 | ||||
| 2133 | REQUEST(xRecordGetContextReq)xRecordGetContextReq *stuff = (xRecordGetContextReq *)client-> requestBuffer; | |||
| 2134 | xRecordGetContextReply rep; | |||
| 2135 | RecordClientsAndProtocolPtr pRCAP; | |||
| 2136 | int nRCAPs = 0; | |||
| 2137 | GetContextRangeInfoPtr pRangeInfo; | |||
| 2138 | GetContextRangeInfoPtr pri; | |||
| 2139 | int i; | |||
| 2140 | int err; | |||
| 2141 | CARD32 nClients, length; | |||
| 2142 | ||||
| 2143 | REQUEST_SIZE_MATCH(xRecordGetContextReq)if ((sizeof(xRecordGetContextReq) >> 2) != client->req_len ) return(16); | |||
| 2144 | VERIFY_CONTEXT(pContext, stuff->context, client){ int rc = dixLookupResourceByType((void **)&(pContext), stuff ->context, RTContext, client, (1<<24)); if (rc != 0) return rc; }; | |||
| 2145 | ||||
| 2146 | /* how many RCAPs are there on this context? */ | |||
| 2147 | ||||
| 2148 | for (pRCAP = pContext->pListOfRCAP; pRCAP; pRCAP = pRCAP->pNextRCAP) | |||
| ||||
| 2149 | nRCAPs++; | |||
| 2150 | ||||
| 2151 | /* allocate and initialize space for record range info */ | |||
| 2152 | ||||
| 2153 | pRangeInfo = | |||
| 2154 | (GetContextRangeInfoPtr) malloc(nRCAPs * | |||
| 2155 | sizeof(GetContextRangeInfoRec)); | |||
| 2156 | if (!pRangeInfo && nRCAPs > 0) | |||
| 2157 | return BadAlloc11; | |||
| 2158 | for (i = 0; i < nRCAPs; i++) { | |||
| 2159 | pRangeInfo[i].pRanges = NULL((void*)0); | |||
| 2160 | pRangeInfo[i].size = 0; | |||
| 2161 | pRangeInfo[i].nRanges = 0; | |||
| 2162 | } | |||
| 2163 | ||||
| 2164 | /* convert the RCAP (internal) representation of the recorded protocol | |||
| 2165 | * to the wire protocol (external) representation, storing the information | |||
| 2166 | * for the ith RCAP in pri[i] | |||
| 2167 | */ | |||
| 2168 | ||||
| 2169 | for (pRCAP = pContext->pListOfRCAP, pri = pRangeInfo; | |||
| 2170 | pRCAP; pRCAP = pRCAP->pNextRCAP, pri++) { | |||
| 2171 | xRecordRange rr; | |||
| 2172 | ||||
| 2173 | err = RecordConvertSetToRanges(pRCAP->pRequestMajorOpSet, pri, | |||
| 2174 | offset_of(rr, coreRequestsFirst)((char *)(& (rr . coreRequestsFirst)) - (char *)(&rr) ), TRUE1, | |||
| 2175 | 127, NULL((void*)0)); | |||
| 2176 | if (err != Success0) | |||
| 2177 | goto bailout; | |||
| 2178 | ||||
| 2179 | err = RecordConvertSetToRanges(pRCAP->pReplyMajorOpSet, pri, | |||
| 2180 | offset_of(rr, coreRepliesFirst)((char *)(& (rr . coreRepliesFirst)) - (char *)(&rr)), TRUE1, | |||
| 2181 | 127, NULL((void*)0)); | |||
| 2182 | if (err != Success0) | |||
| 2183 | goto bailout; | |||
| 2184 | ||||
| 2185 | err = RecordConvertSetToRanges(pRCAP->pDeliveredEventSet, pri, | |||
| 2186 | offset_of(rr, deliveredEventsFirst)((char *)(& (rr . deliveredEventsFirst)) - (char *)(& rr)), | |||
| 2187 | TRUE1, 255, NULL((void*)0)); | |||
| 2188 | if (err != Success0) | |||
| 2189 | goto bailout; | |||
| 2190 | ||||
| 2191 | err = RecordConvertSetToRanges(pRCAP->pDeviceEventSet, pri, | |||
| 2192 | offset_of(rr, deviceEventsFirst)((char *)(& (rr . deviceEventsFirst)) - (char *)(&rr) ), TRUE1, | |||
| 2193 | 255, NULL((void*)0)); | |||
| 2194 | if (err != Success0) | |||
| 2195 | goto bailout; | |||
| 2196 | ||||
| 2197 | err = RecordConvertSetToRanges(pRCAP->pErrorSet, pri, | |||
| 2198 | offset_of(rr, errorsFirst)((char *)(& (rr . errorsFirst)) - (char *)(&rr)), TRUE1, 255, | |||
| 2199 | NULL((void*)0)); | |||
| 2200 | if (err != Success0) | |||
| 2201 | goto bailout; | |||
| 2202 | ||||
| 2203 | err = RecordConvertMinorOpInfoToRanges(pRCAP->pRequestMinOpInfo, | |||
| 2204 | pri, offset_of(rr,((char *)(& (rr . extRequestsMajorFirst)) - (char *)(& rr)) | |||
| 2205 | extRequestsMajorFirst)((char *)(& (rr . extRequestsMajorFirst)) - (char *)(& rr))); | |||
| 2206 | if (err != Success0) | |||
| 2207 | goto bailout; | |||
| 2208 | ||||
| 2209 | err = RecordConvertMinorOpInfoToRanges(pRCAP->pReplyMinOpInfo, | |||
| 2210 | pri, offset_of(rr,((char *)(& (rr . extRepliesMajorFirst)) - (char *)(& rr)) | |||
| 2211 | extRepliesMajorFirst)((char *)(& (rr . extRepliesMajorFirst)) - (char *)(& rr))); | |||
| 2212 | if (err != Success0) | |||
| 2213 | goto bailout; | |||
| 2214 | ||||
| 2215 | if (pRCAP->clientStarted || pRCAP->clientDied) { | |||
| 2216 | if (pri->nRanges == 0) | |||
| 2217 | RecordAllocRanges(pri, 1); | |||
| 2218 | pri->pRanges[0].clientStarted = pRCAP->clientStarted; | |||
| ||||
| 2219 | pri->pRanges[0].clientDied = pRCAP->clientDied; | |||
| 2220 | } | |||
| 2221 | } | |||
| 2222 | ||||
| 2223 | /* calculate number of clients and reply length */ | |||
| 2224 | ||||
| 2225 | nClients = 0; | |||
| 2226 | length = 0; | |||
| 2227 | for (pRCAP = pContext->pListOfRCAP, pri = pRangeInfo; | |||
| 2228 | pRCAP; pRCAP = pRCAP->pNextRCAP, pri++) { | |||
| 2229 | nClients += pRCAP->numClients; | |||
| 2230 | length += pRCAP->numClients * | |||
| 2231 | (bytes_to_int32(sizeof(xRecordClientInfo)) + | |||
| 2232 | pri->nRanges * bytes_to_int32(sizeof(xRecordRange))); | |||
| 2233 | } | |||
| 2234 | ||||
| 2235 | /* write the reply header */ | |||
| 2236 | ||||
| 2237 | rep = (xRecordGetContextReply) { | |||
| 2238 | .type = X_Reply1, | |||
| 2239 | .enabled = pContext->pRecordingClient != NULL((void*)0), | |||
| 2240 | .sequenceNumber = client->sequence, | |||
| 2241 | .length = length, | |||
| 2242 | .elementHeader = pContext->elemHeaders, | |||
| 2243 | .nClients = nClients | |||
| 2244 | }; | |||
| 2245 | if (client->swapped) { | |||
| 2246 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); | |||
| 2247 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); | |||
| 2248 | swapl(&rep.nClients)do { if (sizeof(*(&rep.nClients)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rep.nClients) & 3) && ((uintptr_t)(&rep.nClients) & 3) == 0) *(&rep.nClients ) = lswapl(*(&rep.nClients)); else swap_uint32((uint32_t * )(&rep.nClients)); } while (0); | |||
| 2249 | } | |||
| 2250 | WriteToClient(client, sizeof(xRecordGetContextReply), &rep); | |||
| 2251 | ||||
| 2252 | /* write all the CLIENT_INFOs */ | |||
| 2253 | ||||
| 2254 | for (pRCAP = pContext->pListOfRCAP, pri = pRangeInfo; | |||
| 2255 | pRCAP; pRCAP = pRCAP->pNextRCAP, pri++) { | |||
| 2256 | xRecordClientInfo rci; | |||
| 2257 | ||||
| 2258 | rci.nRanges = pri->nRanges; | |||
| 2259 | if (client->swapped) { | |||
| 2260 | swapl(&rci.nRanges)do { if (sizeof(*(&rci.nRanges)) != 4) wrong_size(); if ( __builtin_constant_p((uintptr_t)(&rci.nRanges) & 3) && ((uintptr_t)(&rci.nRanges) & 3) == 0) *(&rci.nRanges ) = lswapl(*(&rci.nRanges)); else swap_uint32((uint32_t * )(&rci.nRanges)); } while (0); | |||
| 2261 | RecordSwapRanges(pri->pRanges, pri->nRanges); | |||
| 2262 | } | |||
| 2263 | for (i = 0; i < pRCAP->numClients; i++) { | |||
| 2264 | rci.clientResource = pRCAP->pClientIDs[i]; | |||
| 2265 | if (client->swapped) | |||
| 2266 | swapl(&rci.clientResource)do { if (sizeof(*(&rci.clientResource)) != 4) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rci.clientResource ) & 3) && ((uintptr_t)(&rci.clientResource) & 3) == 0) *(&rci.clientResource) = lswapl(*(&rci.clientResource )); else swap_uint32((uint32_t *)(&rci.clientResource)); } while (0); | |||
| 2267 | WriteToClient(client, sizeof(xRecordClientInfo), &rci); | |||
| 2268 | WriteToClient(client, sizeof(xRecordRange) * pri->nRanges, | |||
| 2269 | pri->pRanges); | |||
| 2270 | } | |||
| 2271 | } | |||
| 2272 | err = Success0; | |||
| 2273 | ||||
| 2274 | bailout: | |||
| 2275 | for (i = 0; i < nRCAPs; i++) { | |||
| 2276 | free(pRangeInfo[i].pRanges); | |||
| 2277 | } | |||
| 2278 | free(pRangeInfo); | |||
| 2279 | return err; | |||
| 2280 | } /* ProcRecordGetContext */ | |||
| 2281 | ||||
| 2282 | static int | |||
| 2283 | ProcRecordEnableContext(ClientPtr client) | |||
| 2284 | { | |||
| 2285 | RecordContextPtr pContext; | |||
| 2286 | ||||
| 2287 | REQUEST(xRecordEnableContextReq)xRecordEnableContextReq *stuff = (xRecordEnableContextReq *)client ->requestBuffer; | |||
| 2288 | int i; | |||
| 2289 | RecordClientsAndProtocolPtr pRCAP; | |||
| 2290 | ||||
| 2291 | REQUEST_SIZE_MATCH(xRecordGetContextReq)if ((sizeof(xRecordGetContextReq) >> 2) != client->req_len ) return(16); | |||
| 2292 | VERIFY_CONTEXT(pContext, stuff->context, client){ int rc = dixLookupResourceByType((void **)&(pContext), stuff ->context, RTContext, client, (1<<24)); if (rc != 0) return rc; }; | |||
| 2293 | if (pContext->pRecordingClient) | |||
| 2294 | return BadMatch8; /* already enabled */ | |||
| 2295 | ||||
| 2296 | /* install record hooks for each RCAP */ | |||
| 2297 | ||||
| 2298 | for (pRCAP = pContext->pListOfRCAP; pRCAP; pRCAP = pRCAP->pNextRCAP) { | |||
| 2299 | int err = RecordInstallHooks(pRCAP, 0); | |||
| 2300 | ||||
| 2301 | if (err != Success0) { /* undo the previous installs */ | |||
| 2302 | RecordClientsAndProtocolPtr pUninstallRCAP; | |||
| 2303 | ||||
| 2304 | for (pUninstallRCAP = pContext->pListOfRCAP; | |||
| 2305 | pUninstallRCAP != pRCAP; | |||
| 2306 | pUninstallRCAP = pUninstallRCAP->pNextRCAP) { | |||
| 2307 | RecordUninstallHooks(pUninstallRCAP, 0); | |||
| 2308 | } | |||
| 2309 | return err; | |||
| 2310 | } | |||
| 2311 | } | |||
| 2312 | ||||
| 2313 | /* Disallow further request processing on this connection until | |||
| 2314 | * the context is disabled. | |||
| 2315 | */ | |||
| 2316 | IgnoreClient(client); | |||
| 2317 | pContext->pRecordingClient = client; | |||
| 2318 | ||||
| 2319 | /* Don't allow the data connection to record itself; unregister it. */ | |||
| 2320 | RecordDeleteClientFromContext(pContext, | |||
| 2321 | pContext->pRecordingClient->clientAsMask); | |||
| 2322 | ||||
| 2323 | /* move the newly enabled context to the front part of ppAllContexts, | |||
| 2324 | * where all the enabled contexts are | |||
| 2325 | */ | |||
| 2326 | i = RecordFindContextOnAllContexts(pContext); | |||
| 2327 | assert(i >= numEnabledContexts)(__builtin_expect(!(i >= numEnabledContexts), 0) ? __assert_rtn (__func__, "record.c", 2327, "i >= numEnabledContexts") : ( void)0); | |||
| 2328 | if (i != numEnabledContexts) { | |||
| 2329 | ppAllContexts[i] = ppAllContexts[numEnabledContexts]; | |||
| 2330 | ppAllContexts[numEnabledContexts] = pContext; | |||
| 2331 | } | |||
| 2332 | ||||
| 2333 | ++numEnabledContexts; | |||
| 2334 | assert(numEnabledContexts > 0)(__builtin_expect(!(numEnabledContexts > 0), 0) ? __assert_rtn (__func__, "record.c", 2334, "numEnabledContexts > 0") : ( void)0); | |||
| 2335 | ||||
| 2336 | /* send StartOfData */ | |||
| 2337 | RecordAProtocolElement(pContext, NULL((void*)0), XRecordStartOfData4, NULL((void*)0), 0, 0, 0); | |||
| 2338 | RecordFlushReplyBuffer(pContext, NULL((void*)0), 0, NULL((void*)0), 0); | |||
| 2339 | return Success0; | |||
| 2340 | } /* ProcRecordEnableContext */ | |||
| 2341 | ||||
| 2342 | /* RecordDisableContext | |||
| 2343 | * | |||
| 2344 | * Arguments: | |||
| 2345 | * pContext is the context to disable. | |||
| 2346 | * nRanges is the number of elements in pRanges. | |||
| 2347 | * | |||
| 2348 | * Returns: nothing. | |||
| 2349 | * | |||
| 2350 | * Side Effects: | |||
| 2351 | * If the context was enabled, it is disabled. An EndOfData | |||
| 2352 | * message is sent to the recording client. Recording hooks for | |||
| 2353 | * this context are uninstalled. The context is moved to the | |||
| 2354 | * rear part of the ppAllContexts array. numEnabledContexts is | |||
| 2355 | * decremented. Request processing for the formerly recording client | |||
| 2356 | * is resumed. | |||
| 2357 | */ | |||
| 2358 | static void | |||
| 2359 | RecordDisableContext(RecordContextPtr pContext) | |||
| 2360 | { | |||
| 2361 | RecordClientsAndProtocolPtr pRCAP; | |||
| 2362 | int i; | |||
| 2363 | ||||
| 2364 | if (!pContext->pRecordingClient) | |||
| 2365 | return; | |||
| 2366 | if (!pContext->pRecordingClient->clientGone) { | |||
| 2367 | RecordAProtocolElement(pContext, NULL((void*)0), XRecordEndOfData5, NULL((void*)0), 0, 0, 0); | |||
| 2368 | RecordFlushReplyBuffer(pContext, NULL((void*)0), 0, NULL((void*)0), 0); | |||
| 2369 | /* Re-enable request processing on this connection. */ | |||
| 2370 | AttendClient(pContext->pRecordingClient); | |||
| 2371 | } | |||
| 2372 | ||||
| 2373 | for (pRCAP = pContext->pListOfRCAP; pRCAP; pRCAP = pRCAP->pNextRCAP) { | |||
| 2374 | RecordUninstallHooks(pRCAP, 0); | |||
| 2375 | } | |||
| 2376 | ||||
| 2377 | pContext->pRecordingClient = NULL((void*)0); | |||
| 2378 | ||||
| 2379 | /* move the newly disabled context to the rear part of ppAllContexts, | |||
| 2380 | * where all the disabled contexts are | |||
| 2381 | */ | |||
| 2382 | i = RecordFindContextOnAllContexts(pContext); | |||
| 2383 | assert((i != -1) && (i < numEnabledContexts))(__builtin_expect(!((i != -1) && (i < numEnabledContexts )), 0) ? __assert_rtn(__func__, "record.c", 2383, "(i != -1) && (i < numEnabledContexts)" ) : (void)0); | |||
| 2384 | if (i != (numEnabledContexts - 1)) { | |||
| 2385 | ppAllContexts[i] = ppAllContexts[numEnabledContexts - 1]; | |||
| 2386 | ppAllContexts[numEnabledContexts - 1] = pContext; | |||
| 2387 | } | |||
| 2388 | --numEnabledContexts; | |||
| 2389 | assert(numEnabledContexts >= 0)(__builtin_expect(!(numEnabledContexts >= 0), 0) ? __assert_rtn (__func__, "record.c", 2389, "numEnabledContexts >= 0") : ( void)0); | |||
| 2390 | } /* RecordDisableContext */ | |||
| 2391 | ||||
| 2392 | static int | |||
| 2393 | ProcRecordDisableContext(ClientPtr client) | |||
| 2394 | { | |||
| 2395 | RecordContextPtr pContext; | |||
| 2396 | ||||
| 2397 | REQUEST(xRecordDisableContextReq)xRecordDisableContextReq *stuff = (xRecordDisableContextReq * )client->requestBuffer; | |||
| 2398 | ||||
| 2399 | REQUEST_SIZE_MATCH(xRecordDisableContextReq)if ((sizeof(xRecordDisableContextReq) >> 2) != client-> req_len) return(16); | |||
| 2400 | VERIFY_CONTEXT(pContext, stuff->context, client){ int rc = dixLookupResourceByType((void **)&(pContext), stuff ->context, RTContext, client, (1<<24)); if (rc != 0) return rc; }; | |||
| 2401 | RecordDisableContext(pContext); | |||
| 2402 | return Success0; | |||
| 2403 | } /* ProcRecordDisableContext */ | |||
| 2404 | ||||
| 2405 | /* RecordDeleteContext | |||
| 2406 | * | |||
| 2407 | * Arguments: | |||
| 2408 | * value is the context to delete. | |||
| 2409 | * id is its resource ID. | |||
| 2410 | * | |||
| 2411 | * Returns: Success. | |||
| 2412 | * | |||
| 2413 | * Side Effects: | |||
| 2414 | * Disables the context, frees all associated memory, and removes | |||
| 2415 | * it from the ppAllContexts array. | |||
| 2416 | */ | |||
| 2417 | static int | |||
| 2418 | RecordDeleteContext(void *value, XID id) | |||
| 2419 | { | |||
| 2420 | int i; | |||
| 2421 | RecordContextPtr pContext = (RecordContextPtr) value; | |||
| 2422 | RecordClientsAndProtocolPtr pRCAP; | |||
| 2423 | ||||
| 2424 | RecordDisableContext(pContext); | |||
| 2425 | ||||
| 2426 | /* Remove all the clients from all the RCAPs. | |||
| 2427 | * As a result, the RCAPs will be freed. | |||
| 2428 | */ | |||
| 2429 | ||||
| 2430 | while ((pRCAP = pContext->pListOfRCAP)) { | |||
| 2431 | int numClients = pRCAP->numClients; | |||
| 2432 | ||||
| 2433 | /* when the last client is deleted, the RCAP will go away. */ | |||
| 2434 | while (numClients--) { | |||
| 2435 | RecordDeleteClientFromRCAP(pRCAP, numClients); | |||
| 2436 | } | |||
| 2437 | } | |||
| 2438 | ||||
| 2439 | /* remove context from AllContexts list */ | |||
| 2440 | ||||
| 2441 | if (-1 != (i = RecordFindContextOnAllContexts(pContext))) { | |||
| 2442 | ppAllContexts[i] = ppAllContexts[numContexts - 1]; | |||
| 2443 | if (--numContexts == 0) { | |||
| 2444 | free(ppAllContexts); | |||
| 2445 | ppAllContexts = NULL((void*)0); | |||
| 2446 | } | |||
| 2447 | } | |||
| 2448 | free(pContext); | |||
| 2449 | ||||
| 2450 | return Success0; | |||
| 2451 | } /* RecordDeleteContext */ | |||
| 2452 | ||||
| 2453 | static int | |||
| 2454 | ProcRecordFreeContext(ClientPtr client) | |||
| 2455 | { | |||
| 2456 | RecordContextPtr pContext; | |||
| 2457 | ||||
| 2458 | REQUEST(xRecordFreeContextReq)xRecordFreeContextReq *stuff = (xRecordFreeContextReq *)client ->requestBuffer; | |||
| 2459 | ||||
| 2460 | REQUEST_SIZE_MATCH(xRecordFreeContextReq)if ((sizeof(xRecordFreeContextReq) >> 2) != client-> req_len) return(16); | |||
| 2461 | VERIFY_CONTEXT(pContext, stuff->context, client){ int rc = dixLookupResourceByType((void **)&(pContext), stuff ->context, RTContext, client, (1<<24)); if (rc != 0) return rc; }; | |||
| 2462 | FreeResource(stuff->context, RT_NONE((RESTYPE)0)); | |||
| 2463 | return Success0; | |||
| 2464 | } /* ProcRecordFreeContext */ | |||
| 2465 | ||||
| 2466 | static int | |||
| 2467 | ProcRecordDispatch(ClientPtr client) | |||
| 2468 | { | |||
| 2469 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; | |||
| 2470 | ||||
| 2471 | switch (stuff->data) { | |||
| 2472 | case X_RecordQueryVersion0: | |||
| 2473 | return ProcRecordQueryVersion(client); | |||
| 2474 | case X_RecordCreateContext1: | |||
| 2475 | return ProcRecordCreateContext(client); | |||
| 2476 | case X_RecordRegisterClients2: | |||
| 2477 | return ProcRecordRegisterClients(client); | |||
| 2478 | case X_RecordUnregisterClients3: | |||
| 2479 | return ProcRecordUnregisterClients(client); | |||
| 2480 | case X_RecordGetContext4: | |||
| 2481 | return ProcRecordGetContext(client); | |||
| 2482 | case X_RecordEnableContext5: | |||
| 2483 | return ProcRecordEnableContext(client); | |||
| 2484 | case X_RecordDisableContext6: | |||
| 2485 | return ProcRecordDisableContext(client); | |||
| 2486 | case X_RecordFreeContext7: | |||
| 2487 | return ProcRecordFreeContext(client); | |||
| 2488 | default: | |||
| 2489 | return BadRequest1; | |||
| 2490 | } | |||
| 2491 | } /* ProcRecordDispatch */ | |||
| 2492 | ||||
| 2493 | static int | |||
| 2494 | SProcRecordQueryVersion(ClientPtr client) | |||
| 2495 | { | |||
| 2496 | REQUEST(xRecordQueryVersionReq)xRecordQueryVersionReq *stuff = (xRecordQueryVersionReq *)client ->requestBuffer; | |||
| 2497 | ||||
| 2498 | 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); | |||
| 2499 | REQUEST_SIZE_MATCH(xRecordQueryVersionReq)if ((sizeof(xRecordQueryVersionReq) >> 2) != client-> req_len) return(16); | |||
| 2500 | swaps(&stuff->majorVersion)do { if (sizeof(*(&stuff->majorVersion)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&stuff->majorVersion ) & 1) && ((uintptr_t)(&stuff->majorVersion ) & 1) == 0) *(&stuff->majorVersion) = lswaps(*(& stuff->majorVersion)); else swap_uint16((uint16_t *)(& stuff->majorVersion)); } while (0); | |||
| 2501 | swaps(&stuff->minorVersion)do { if (sizeof(*(&stuff->minorVersion)) != 2) wrong_size (); if (__builtin_constant_p((uintptr_t)(&stuff->minorVersion ) & 1) && ((uintptr_t)(&stuff->minorVersion ) & 1) == 0) *(&stuff->minorVersion) = lswaps(*(& stuff->minorVersion)); else swap_uint16((uint16_t *)(& stuff->minorVersion)); } while (0); | |||
| 2502 | return ProcRecordQueryVersion(client); | |||
| 2503 | } /* SProcRecordQueryVersion */ | |||
| 2504 | ||||
| 2505 | static int | |||
| 2506 | SwapCreateRegister(xRecordRegisterClientsReq * stuff) | |||
| 2507 | { | |||
| 2508 | int i; | |||
| 2509 | XID *pClientID; | |||
| 2510 | ||||
| 2511 | swapl(&stuff->context)do { if (sizeof(*(&stuff->context)) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&stuff->context ) & 3) && ((uintptr_t)(&stuff->context) & 3) == 0) *(&stuff->context) = lswapl(*(&stuff-> context)); else swap_uint32((uint32_t *)(&stuff->context )); } while (0); | |||
| 2512 | swapl(&stuff->nClients)do { if (sizeof(*(&stuff->nClients)) != 4) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&stuff->nClients ) & 3) && ((uintptr_t)(&stuff->nClients) & 3) == 0) *(&stuff->nClients) = lswapl(*(&stuff-> nClients)); else swap_uint32((uint32_t *)(&stuff->nClients )); } while (0); | |||
| 2513 | swapl(&stuff->nRanges)do { if (sizeof(*(&stuff->nRanges)) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&stuff->nRanges ) & 3) && ((uintptr_t)(&stuff->nRanges) & 3) == 0) *(&stuff->nRanges) = lswapl(*(&stuff-> nRanges)); else swap_uint32((uint32_t *)(&stuff->nRanges )); } while (0); | |||
| 2514 | pClientID = (XID *) &stuff[1]; | |||
| 2515 | if (stuff->nClients > | |||
| 2516 | stuff->length - bytes_to_int32(sz_xRecordRegisterClientsReq20)) | |||
| 2517 | return BadLength16; | |||
| 2518 | for (i = 0; i < stuff->nClients; i++, pClientID++) { | |||
| 2519 | swapl(pClientID)do { if (sizeof(*(pClientID)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(pClientID) & 3) && ((uintptr_t)(pClientID ) & 3) == 0) *(pClientID) = lswapl(*(pClientID)); else swap_uint32 ((uint32_t *)(pClientID)); } while (0); | |||
| 2520 | } | |||
| 2521 | if (stuff->nRanges > | |||
| 2522 | stuff->length - bytes_to_int32(sz_xRecordRegisterClientsReq20) | |||
| 2523 | - stuff->nClients) | |||
| 2524 | return BadLength16; | |||
| 2525 | RecordSwapRanges((xRecordRange *) pClientID, stuff->nRanges); | |||
| 2526 | return Success0; | |||
| 2527 | } /* SwapCreateRegister */ | |||
| 2528 | ||||
| 2529 | static int | |||
| 2530 | SProcRecordCreateContext(ClientPtr client) | |||
| 2531 | { | |||
| 2532 | REQUEST(xRecordCreateContextReq)xRecordCreateContextReq *stuff = (xRecordCreateContextReq *)client ->requestBuffer; | |||
| 2533 | int status; | |||
| 2534 | ||||
| 2535 | 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); | |||
| 2536 | REQUEST_AT_LEAST_SIZE(xRecordCreateContextReq)if ((sizeof(xRecordCreateContextReq) >> 2) > client-> req_len ) return(16); | |||
| 2537 | if ((status = SwapCreateRegister((void *) stuff)) != Success0) | |||
| 2538 | return status; | |||
| 2539 | return ProcRecordCreateContext(client); | |||
| 2540 | } /* SProcRecordCreateContext */ | |||
| 2541 | ||||
| 2542 | static int | |||
| 2543 | SProcRecordRegisterClients(ClientPtr client) | |||
| 2544 | { | |||
| 2545 | REQUEST(xRecordRegisterClientsReq)xRecordRegisterClientsReq *stuff = (xRecordRegisterClientsReq *)client->requestBuffer; | |||
| 2546 | int status; | |||
| 2547 | ||||
| 2548 | 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); | |||
| 2549 | REQUEST_AT_LEAST_SIZE(xRecordRegisterClientsReq)if ((sizeof(xRecordRegisterClientsReq) >> 2) > client ->req_len ) return(16); | |||
| 2550 | if ((status = SwapCreateRegister((void *) stuff)) != Success0) | |||
| 2551 | return status; | |||
| 2552 | return ProcRecordRegisterClients(client); | |||
| 2553 | } /* SProcRecordRegisterClients */ | |||
| 2554 | ||||
| 2555 | static int | |||
| 2556 | SProcRecordUnregisterClients(ClientPtr client) | |||
| 2557 | { | |||
| 2558 | REQUEST(xRecordUnregisterClientsReq)xRecordUnregisterClientsReq *stuff = (xRecordUnregisterClientsReq *)client->requestBuffer; | |||
| 2559 | ||||
| 2560 | 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); | |||
| 2561 | REQUEST_AT_LEAST_SIZE(xRecordUnregisterClientsReq)if ((sizeof(xRecordUnregisterClientsReq) >> 2) > client ->req_len ) return(16); | |||
| 2562 | swapl(&stuff->context)do { if (sizeof(*(&stuff->context)) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&stuff->context ) & 3) && ((uintptr_t)(&stuff->context) & 3) == 0) *(&stuff->context) = lswapl(*(&stuff-> context)); else swap_uint32((uint32_t *)(&stuff->context )); } while (0); | |||
| 2563 | swapl(&stuff->nClients)do { if (sizeof(*(&stuff->nClients)) != 4) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&stuff->nClients ) & 3) && ((uintptr_t)(&stuff->nClients) & 3) == 0) *(&stuff->nClients) = lswapl(*(&stuff-> nClients)); else swap_uint32((uint32_t *)(&stuff->nClients )); } while (0); | |||
| 2564 | SwapRestL(stuff)SwapLongs((CARD32 *)(stuff + 1), (client->req_len - (sizeof (*stuff) >> 2))); | |||
| 2565 | return ProcRecordUnregisterClients(client); | |||
| 2566 | } /* SProcRecordUnregisterClients */ | |||
| 2567 | ||||
| 2568 | static int | |||
| 2569 | SProcRecordGetContext(ClientPtr client) | |||
| 2570 | { | |||
| 2571 | REQUEST(xRecordGetContextReq)xRecordGetContextReq *stuff = (xRecordGetContextReq *)client-> requestBuffer; | |||
| 2572 | ||||
| 2573 | 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); | |||
| 2574 | REQUEST_SIZE_MATCH(xRecordGetContextReq)if ((sizeof(xRecordGetContextReq) >> 2) != client->req_len ) return(16); | |||
| 2575 | swapl(&stuff->context)do { if (sizeof(*(&stuff->context)) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&stuff->context ) & 3) && ((uintptr_t)(&stuff->context) & 3) == 0) *(&stuff->context) = lswapl(*(&stuff-> context)); else swap_uint32((uint32_t *)(&stuff->context )); } while (0); | |||
| 2576 | return ProcRecordGetContext(client); | |||
| 2577 | } /* SProcRecordGetContext */ | |||
| 2578 | ||||
| 2579 | static int | |||
| 2580 | SProcRecordEnableContext(ClientPtr client) | |||
| 2581 | { | |||
| 2582 | REQUEST(xRecordEnableContextReq)xRecordEnableContextReq *stuff = (xRecordEnableContextReq *)client ->requestBuffer; | |||
| 2583 | ||||
| 2584 | 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); | |||
| 2585 | REQUEST_SIZE_MATCH(xRecordEnableContextReq)if ((sizeof(xRecordEnableContextReq) >> 2) != client-> req_len) return(16); | |||
| 2586 | swapl(&stuff->context)do { if (sizeof(*(&stuff->context)) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&stuff->context ) & 3) && ((uintptr_t)(&stuff->context) & 3) == 0) *(&stuff->context) = lswapl(*(&stuff-> context)); else swap_uint32((uint32_t *)(&stuff->context )); } while (0); | |||
| 2587 | return ProcRecordEnableContext(client); | |||
| 2588 | } /* SProcRecordEnableContext */ | |||
| 2589 | ||||
| 2590 | static int | |||
| 2591 | SProcRecordDisableContext(ClientPtr client) | |||
| 2592 | { | |||
| 2593 | REQUEST(xRecordDisableContextReq)xRecordDisableContextReq *stuff = (xRecordDisableContextReq * )client->requestBuffer; | |||
| 2594 | ||||
| 2595 | 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); | |||
| 2596 | REQUEST_SIZE_MATCH(xRecordDisableContextReq)if ((sizeof(xRecordDisableContextReq) >> 2) != client-> req_len) return(16); | |||
| 2597 | swapl(&stuff->context)do { if (sizeof(*(&stuff->context)) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&stuff->context ) & 3) && ((uintptr_t)(&stuff->context) & 3) == 0) *(&stuff->context) = lswapl(*(&stuff-> context)); else swap_uint32((uint32_t *)(&stuff->context )); } while (0); | |||
| 2598 | return ProcRecordDisableContext(client); | |||
| 2599 | } /* SProcRecordDisableContext */ | |||
| 2600 | ||||
| 2601 | static int | |||
| 2602 | SProcRecordFreeContext(ClientPtr client) | |||
| 2603 | { | |||
| 2604 | REQUEST(xRecordFreeContextReq)xRecordFreeContextReq *stuff = (xRecordFreeContextReq *)client ->requestBuffer; | |||
| 2605 | ||||
| 2606 | 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); | |||
| 2607 | REQUEST_SIZE_MATCH(xRecordFreeContextReq)if ((sizeof(xRecordFreeContextReq) >> 2) != client-> req_len) return(16); | |||
| 2608 | swapl(&stuff->context)do { if (sizeof(*(&stuff->context)) != 4) wrong_size() ; if (__builtin_constant_p((uintptr_t)(&stuff->context ) & 3) && ((uintptr_t)(&stuff->context) & 3) == 0) *(&stuff->context) = lswapl(*(&stuff-> context)); else swap_uint32((uint32_t *)(&stuff->context )); } while (0); | |||
| 2609 | return ProcRecordFreeContext(client); | |||
| 2610 | } /* SProcRecordFreeContext */ | |||
| 2611 | ||||
| 2612 | static int | |||
| 2613 | SProcRecordDispatch(ClientPtr client) | |||
| 2614 | { | |||
| 2615 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; | |||
| 2616 | ||||
| 2617 | switch (stuff->data) { | |||
| 2618 | case X_RecordQueryVersion0: | |||
| 2619 | return SProcRecordQueryVersion(client); | |||
| 2620 | case X_RecordCreateContext1: | |||
| 2621 | return SProcRecordCreateContext(client); | |||
| 2622 | case X_RecordRegisterClients2: | |||
| 2623 | return SProcRecordRegisterClients(client); | |||
| 2624 | case X_RecordUnregisterClients3: | |||
| 2625 | return SProcRecordUnregisterClients(client); | |||
| 2626 | case X_RecordGetContext4: | |||
| 2627 | return SProcRecordGetContext(client); | |||
| 2628 | case X_RecordEnableContext5: | |||
| 2629 | return SProcRecordEnableContext(client); | |||
| 2630 | case X_RecordDisableContext6: | |||
| 2631 | return SProcRecordDisableContext(client); | |||
| 2632 | case X_RecordFreeContext7: | |||
| 2633 | return SProcRecordFreeContext(client); | |||
| 2634 | default: | |||
| 2635 | return BadRequest1; | |||
| 2636 | } | |||
| 2637 | } /* SProcRecordDispatch */ | |||
| 2638 | ||||
| 2639 | /* RecordConnectionSetupInfo | |||
| 2640 | * | |||
| 2641 | * Arguments: | |||
| 2642 | * pContext is an enabled context that specifies recording of | |||
| 2643 | * connection setup info. | |||
| 2644 | * pci holds the connection setup info. | |||
| 2645 | * | |||
| 2646 | * Returns: nothing. | |||
| 2647 | * | |||
| 2648 | * Side Effects: | |||
| 2649 | * The connection setup info is sent to the recording client. | |||
| 2650 | */ | |||
| 2651 | static void | |||
| 2652 | RecordConnectionSetupInfo(RecordContextPtr pContext, NewClientInfoRec * pci) | |||
| 2653 | { | |||
| 2654 | int prefixsize = SIZEOF(xConnSetupPrefix)8; | |||
| 2655 | int restsize = pci->prefix->length * 4; | |||
| 2656 | ||||
| 2657 | if (pci->client->swapped) { | |||
| 2658 | char *pConnSetup = (char *) malloc(prefixsize + restsize); | |||
| 2659 | ||||
| 2660 | if (!pConnSetup) | |||
| 2661 | return; | |||
| 2662 | SwapConnSetupPrefix(pci->prefix, (xConnSetupPrefix *) pConnSetup); | |||
| 2663 | SwapConnSetupInfo((char *) pci->setup, | |||
| 2664 | (char *) (pConnSetup + prefixsize)); | |||
| 2665 | RecordAProtocolElement(pContext, pci->client, XRecordClientStarted2, | |||
| 2666 | (void *) pConnSetup, prefixsize + restsize, 0, | |||
| 2667 | 0); | |||
| 2668 | free(pConnSetup); | |||
| 2669 | } | |||
| 2670 | else { | |||
| 2671 | /* don't alloc and copy as in the swapped case; just send the | |||
| 2672 | * data in two pieces | |||
| 2673 | */ | |||
| 2674 | RecordAProtocolElement(pContext, pci->client, XRecordClientStarted2, | |||
| 2675 | (void *) pci->prefix, prefixsize, 0, restsize); | |||
| 2676 | RecordAProtocolElement(pContext, pci->client, XRecordClientStarted2, | |||
| 2677 | (void *) pci->setup, restsize, 0, | |||
| 2678 | /* continuation */ -1); | |||
| 2679 | } | |||
| 2680 | } /* RecordConnectionSetupInfo */ | |||
| 2681 | ||||
| 2682 | /* RecordDeleteContext | |||
| 2683 | * | |||
| 2684 | * Arguments: | |||
| 2685 | * pcbl is &ClientStateCallback. | |||
| 2686 | * nullata is NULL. | |||
| 2687 | * calldata is a pointer to a NewClientInfoRec (include/dixstruct.h) | |||
| 2688 | * which contains information about client state changes. | |||
| 2689 | * | |||
| 2690 | * Returns: nothing. | |||
| 2691 | * | |||
| 2692 | * Side Effects: | |||
| 2693 | * If a new client has connected and any contexts have specified | |||
| 2694 | * XRecordFutureClients, the new client is registered on those contexts. | |||
| 2695 | * If any of those contexts specify recording of the connection setup | |||
| 2696 | * info, it is recorded. | |||
| 2697 | * | |||
| 2698 | * If an existing client has disconnected, it is deleted from any | |||
| 2699 | * contexts that it was registered on. If any of those contexts | |||
| 2700 | * specified XRecordClientDied, they record a ClientDied protocol element. | |||
| 2701 | * If the disconnectiong client happened to be the data connection of an | |||
| 2702 | * enabled context, the context is disabled. | |||
| 2703 | */ | |||
| 2704 | ||||
| 2705 | static void | |||
| 2706 | RecordAClientStateChange(CallbackListPtr *pcbl, void *nulldata, | |||
| 2707 | void *calldata) | |||
| 2708 | { | |||
| 2709 | NewClientInfoRec *pci = (NewClientInfoRec *) calldata; | |||
| 2710 | int i; | |||
| 2711 | ClientPtr pClient = pci->client; | |||
| 2712 | RecordContextPtr *ppAllContextsCopy = NULL((void*)0); | |||
| 2713 | int numContextsCopy = 0; | |||
| 2714 | ||||
| 2715 | switch (pClient->clientState) { | |||
| 2716 | case ClientStateRunning: /* new client */ | |||
| 2717 | for (i = 0; i < numContexts; i++) { | |||
| 2718 | RecordClientsAndProtocolPtr pRCAP; | |||
| 2719 | RecordContextPtr pContext = ppAllContexts[i]; | |||
| 2720 | ||||
| 2721 | if ((pRCAP = RecordFindClientOnContext(pContext, | |||
| 2722 | XRecordFutureClients2, NULL((void*)0)))) | |||
| 2723 | { | |||
| 2724 | RecordAddClientToRCAP(pRCAP, pClient->clientAsMask); | |||
| 2725 | if (pContext->pRecordingClient && pRCAP->clientStarted) | |||
| 2726 | RecordConnectionSetupInfo(pContext, pci); | |||
| 2727 | } | |||
| 2728 | } | |||
| 2729 | break; | |||
| 2730 | ||||
| 2731 | case ClientStateGone: | |||
| 2732 | case ClientStateRetained: /* client disconnected */ | |||
| 2733 | ||||
| 2734 | /* RecordDisableContext modifies contents of ppAllContexts. */ | |||
| 2735 | numContextsCopy = numContexts; | |||
| 2736 | ppAllContextsCopy = malloc(numContextsCopy * sizeof(RecordContextPtr)); | |||
| 2737 | assert(ppAllContextsCopy)(__builtin_expect(!(ppAllContextsCopy), 0) ? __assert_rtn(__func__ , "record.c", 2737, "ppAllContextsCopy") : (void)0); | |||
| 2738 | memcpy(ppAllContextsCopy, ppAllContexts,__builtin___memcpy_chk (ppAllContextsCopy, ppAllContexts, numContextsCopy * sizeof(RecordContextPtr), __builtin_object_size (ppAllContextsCopy , 0)) | |||
| 2739 | numContextsCopy * sizeof(RecordContextPtr))__builtin___memcpy_chk (ppAllContextsCopy, ppAllContexts, numContextsCopy * sizeof(RecordContextPtr), __builtin_object_size (ppAllContextsCopy , 0)); | |||
| 2740 | ||||
| 2741 | for (i = 0; i < numContextsCopy; i++) { | |||
| 2742 | RecordClientsAndProtocolPtr pRCAP; | |||
| 2743 | RecordContextPtr pContext = ppAllContextsCopy[i]; | |||
| 2744 | int pos; | |||
| 2745 | ||||
| 2746 | if (pContext->pRecordingClient == pClient) | |||
| 2747 | RecordDisableContext(pContext); | |||
| 2748 | if ((pRCAP = RecordFindClientOnContext(pContext, | |||
| 2749 | pClient->clientAsMask, | |||
| 2750 | &pos))) { | |||
| 2751 | if (pContext->pRecordingClient && pRCAP->clientDied) | |||
| 2752 | RecordAProtocolElement(pContext, pClient, | |||
| 2753 | XRecordClientDied3, NULL((void*)0), 0, 0, 0); | |||
| 2754 | RecordDeleteClientFromRCAP(pRCAP, pos); | |||
| 2755 | } | |||
| 2756 | } | |||
| 2757 | ||||
| 2758 | free(ppAllContextsCopy); | |||
| 2759 | break; | |||
| 2760 | ||||
| 2761 | default: | |||
| 2762 | break; | |||
| 2763 | } /* end switch on client state */ | |||
| 2764 | } /* RecordAClientStateChange */ | |||
| 2765 | ||||
| 2766 | /* RecordCloseDown | |||
| 2767 | * | |||
| 2768 | * Arguments: | |||
| 2769 | * extEntry is the extension information for RECORD. | |||
| 2770 | * | |||
| 2771 | * Returns: nothing. | |||
| 2772 | * | |||
| 2773 | * Side Effects: | |||
| 2774 | * Performs any cleanup needed by RECORD at server shutdown time. | |||
| 2775 | * | |||
| 2776 | */ | |||
| 2777 | static void | |||
| 2778 | RecordCloseDown(ExtensionEntry * extEntry) | |||
| 2779 | { | |||
| 2780 | DeleteCallback(&ClientStateCallback, RecordAClientStateChange, NULL((void*)0)); | |||
| 2781 | } /* RecordCloseDown */ | |||
| 2782 | ||||
| 2783 | /* RecordExtensionInit | |||
| 2784 | * | |||
| 2785 | * Arguments: none. | |||
| 2786 | * | |||
| 2787 | * Returns: nothing. | |||
| 2788 | * | |||
| 2789 | * Side Effects: | |||
| 2790 | * Enables the RECORD extension if possible. | |||
| 2791 | */ | |||
| 2792 | void | |||
| 2793 | RecordExtensionInit(void) | |||
| 2794 | { | |||
| 2795 | ExtensionEntry *extentry; | |||
| 2796 | ||||
| 2797 | RTContext = CreateNewResourceType(RecordDeleteContext, "RecordContext"); | |||
| 2798 | if (!RTContext) | |||
| 2799 | return; | |||
| 2800 | ||||
| 2801 | if (!dixRegisterPrivateKey(RecordClientPrivateKey(&RecordClientPrivateKeyRec), PRIVATE_CLIENT, 0)) | |||
| 2802 | return; | |||
| 2803 | ||||
| 2804 | ppAllContexts = NULL((void*)0); | |||
| 2805 | numContexts = numEnabledContexts = numEnabledRCAPs = 0; | |||
| 2806 | ||||
| 2807 | if (!AddCallback(&ClientStateCallback, RecordAClientStateChange, NULL((void*)0))) | |||
| 2808 | return; | |||
| 2809 | ||||
| 2810 | extentry = AddExtension(RECORD_NAME"RECORD", RecordNumEvents0L, RecordNumErrors(0 + 1), | |||
| 2811 | ProcRecordDispatch, SProcRecordDispatch, | |||
| 2812 | RecordCloseDown, StandardMinorOpcode); | |||
| 2813 | if (!extentry) { | |||
| 2814 | DeleteCallback(&ClientStateCallback, RecordAClientStateChange, NULL((void*)0)); | |||
| 2815 | return; | |||
| 2816 | } | |||
| 2817 | SetResourceTypeErrorValue(RTContext, | |||
| 2818 | extentry->errorBase + XRecordBadContext0); | |||
| 2819 | ||||
| 2820 | } /* RecordExtensionInit */ |