| File: | os/connection.c |
| Location: | line 432, column 22 |
| Description: | Call to 'malloc' has an allocation size of 0 bytes |
| 1 | /*********************************************************** | |||
| 2 | ||||
| 3 | Copyright 1987, 1989, 1998 The Open Group | |||
| 4 | ||||
| 5 | Permission to use, copy, modify, distribute, and sell this software and its | |||
| 6 | documentation for any purpose is hereby granted without fee, provided that | |||
| 7 | the above copyright notice appear in all copies and that both that | |||
| 8 | copyright notice and this permission notice appear in supporting | |||
| 9 | documentation. | |||
| 10 | ||||
| 11 | The above copyright notice and this permission notice shall be included in | |||
| 12 | all copies or substantial portions of the Software. | |||
| 13 | ||||
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |||
| 17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |||
| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |||
| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |||
| 20 | ||||
| 21 | Except as contained in this notice, the name of The Open Group shall not be | |||
| 22 | used in advertising or otherwise to promote the sale, use or other dealings | |||
| 23 | in this Software without prior written authorization from The Open Group. | |||
| 24 | ||||
| 25 | Copyright 1987, 1989 by Digital Equipment Corporation, Maynard, Massachusetts. | |||
| 26 | ||||
| 27 | All Rights Reserved | |||
| 28 | ||||
| 29 | Permission to use, copy, modify, and distribute this software and its | |||
| 30 | documentation for any purpose and without fee is hereby granted, | |||
| 31 | provided that the above copyright notice appear in all copies and that | |||
| 32 | both that copyright notice and this permission notice appear in | |||
| 33 | supporting documentation, and that the name of Digital not be | |||
| 34 | used in advertising or publicity pertaining to distribution of the | |||
| 35 | software without specific, written prior permission. | |||
| 36 | ||||
| 37 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |||
| 38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |||
| 39 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |||
| 40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |||
| 41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |||
| 42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |||
| 43 | SOFTWARE. | |||
| 44 | ||||
| 45 | ******************************************************************/ | |||
| 46 | /***************************************************************** | |||
| 47 | * Stuff to create connections --- OS dependent | |||
| 48 | * | |||
| 49 | * EstablishNewConnections, CreateWellKnownSockets, ResetWellKnownSockets, | |||
| 50 | * CloseDownConnection, CheckConnections, AddEnabledDevice, | |||
| 51 | * RemoveEnabledDevice, OnlyListToOneClient, | |||
| 52 | * ListenToAllClients, | |||
| 53 | * | |||
| 54 | * (WaitForSomething is in its own file) | |||
| 55 | * | |||
| 56 | * In this implementation, a client socket table is not kept. | |||
| 57 | * Instead, what would be the index into the table is just the | |||
| 58 | * file descriptor of the socket. This won't work for if the | |||
| 59 | * socket ids aren't small nums (0 - 2^8) | |||
| 60 | * | |||
| 61 | *****************************************************************/ | |||
| 62 | ||||
| 63 | #ifdef HAVE_DIX_CONFIG_H1 | |||
| 64 | #include <dix-config.h> | |||
| 65 | #endif | |||
| 66 | ||||
| 67 | #ifdef WIN32 | |||
| 68 | #include <X11/Xwinsock.h> | |||
| 69 | #endif | |||
| 70 | #include <X11/X.h> | |||
| 71 | #include <X11/Xproto.h> | |||
| 72 | #define XSERV_t | |||
| 73 | #define TRANS_SERVER | |||
| 74 | #define TRANS_REOPEN | |||
| 75 | #include <X11/Xtrans/Xtrans.h> | |||
| 76 | #include <X11/Xtrans/Xtransint.h> | |||
| 77 | #include <errno(*__error()).h> | |||
| 78 | #include <signal.h> | |||
| 79 | #include <stdio.h> | |||
| 80 | #include <stdlib.h> | |||
| 81 | ||||
| 82 | #ifndef WIN32 | |||
| 83 | #include <sys/socket.h> | |||
| 84 | ||||
| 85 | #if defined(TCPCONN1) || defined(STREAMSCONN) | |||
| 86 | #include <netinet/in.h> | |||
| 87 | #include <arpa/inet.h> | |||
| 88 | #ifdef apollo | |||
| 89 | #ifndef NO_TCP_H | |||
| 90 | #include <netinet/tcp.h> | |||
| 91 | #endif | |||
| 92 | #else | |||
| 93 | #ifdef CSRG_BASED1 | |||
| 94 | #include <sys/param.h> | |||
| 95 | #endif | |||
| 96 | #include <netinet/tcp.h> | |||
| 97 | #endif | |||
| 98 | #include <arpa/inet.h> | |||
| 99 | #endif | |||
| 100 | ||||
| 101 | #include <sys/uio.h> | |||
| 102 | ||||
| 103 | #endif /* WIN32 */ | |||
| 104 | #include "misc.h" /* for typedef of pointer */ | |||
| 105 | #include "osdep.h" | |||
| 106 | #include <X11/Xpoll.h> | |||
| 107 | #include "opaque.h" | |||
| 108 | #include "dixstruct.h" | |||
| 109 | #include "xace.h" | |||
| 110 | ||||
| 111 | #define Pid_tpid_t pid_t | |||
| 112 | ||||
| 113 | #ifdef HAVE_GETPEERUCRED | |||
| 114 | #include <ucred.h> | |||
| 115 | #include <zone.h> | |||
| 116 | #else | |||
| 117 | #define zoneid_tint int | |||
| 118 | #endif | |||
| 119 | ||||
| 120 | #include "probes.h" | |||
| 121 | ||||
| 122 | static int lastfdesc; /* maximum file descriptor */ | |||
| 123 | ||||
| 124 | fd_set WellKnownConnections; /* Listener mask */ | |||
| 125 | fd_set EnabledDevices; /* mask for input devices that are on */ | |||
| 126 | fd_set AllSockets; /* select on this */ | |||
| 127 | fd_set AllClients; /* available clients */ | |||
| 128 | fd_set LastSelectMask; /* mask returned from last select call */ | |||
| 129 | fd_set ClientsWithInput; /* clients with FULL requests in buffer */ | |||
| 130 | fd_set ClientsWriteBlocked; /* clients who cannot receive output */ | |||
| 131 | fd_set OutputPending; /* clients with reply/event data ready to go */ | |||
| 132 | int MaxClients = 0; | |||
| 133 | Bool NewOutputPending; /* not yet attempted to write some new output */ | |||
| 134 | Bool AnyClientsWriteBlocked; /* true if some client blocked on write */ | |||
| 135 | Bool NoListenAll; /* Don't establish any listening sockets */ | |||
| 136 | ||||
| 137 | static Bool RunFromSmartParent; /* send SIGUSR1 to parent process */ | |||
| 138 | Bool RunFromSigStopParent; /* send SIGSTOP to our own process; Upstart (or | |||
| 139 | equivalent) will send SIGCONT back. */ | |||
| 140 | static char dynamic_display[7]; /* display name */ | |||
| 141 | Bool PartialNetwork; /* continue even if unable to bind all addrs */ | |||
| 142 | static Pid_tpid_t ParentProcess; | |||
| 143 | ||||
| 144 | static Bool debug_conns = FALSE0; | |||
| 145 | ||||
| 146 | fd_set IgnoredClientsWithInput; | |||
| 147 | static fd_set GrabImperviousClients; | |||
| 148 | static fd_set SavedAllClients; | |||
| 149 | static fd_set SavedAllSockets; | |||
| 150 | static fd_set SavedClientsWithInput; | |||
| 151 | int GrabInProgress = 0; | |||
| 152 | ||||
| 153 | #if !defined(WIN32) | |||
| 154 | int *ConnectionTranslation = NULL((void*)0); | |||
| 155 | #else | |||
| 156 | /* | |||
| 157 | * On NT fds are not between 0 and MAXSOCKS, they are unrelated, and there is | |||
| 158 | * not even a known maximum value, so use something quite arbitrary for now. | |||
| 159 | * Do storage is a hash table of size 256. Collisions are handled in a linked | |||
| 160 | * list. | |||
| 161 | */ | |||
| 162 | ||||
| 163 | #undef MAXSOCKS256 | |||
| 164 | #define MAXSOCKS256 500 | |||
| 165 | #undef MAXSELECT(sizeof(fd_set) * 8) | |||
| 166 | #define MAXSELECT(sizeof(fd_set) * 8) 500 | |||
| 167 | ||||
| 168 | struct _ct_node { | |||
| 169 | struct _ct_node *next; | |||
| 170 | int key; | |||
| 171 | int value; | |||
| 172 | }; | |||
| 173 | ||||
| 174 | struct _ct_node *ct_head[256]; | |||
| 175 | ||||
| 176 | void | |||
| 177 | InitConnectionTranslation(void) | |||
| 178 | { | |||
| 179 | memset(ct_head, 0, sizeof(ct_head))__builtin___memset_chk (ct_head, 0, sizeof(ct_head), __builtin_object_size (ct_head, 0)); | |||
| 180 | } | |||
| 181 | ||||
| 182 | int | |||
| 183 | GetConnectionTranslation(int conn) | |||
| 184 | { | |||
| 185 | struct _ct_node *node = ct_head[conn & 0xff]; | |||
| 186 | ||||
| 187 | while (node != NULL((void*)0)) { | |||
| 188 | if (node->key == conn) | |||
| 189 | return node->value; | |||
| 190 | node = node->next; | |||
| 191 | } | |||
| 192 | return 0; | |||
| 193 | } | |||
| 194 | ||||
| 195 | void | |||
| 196 | SetConnectionTranslation(int conn, int client) | |||
| 197 | { | |||
| 198 | struct _ct_node **node = ct_head + (conn & 0xff); | |||
| 199 | ||||
| 200 | if (client == 0) { /* remove entry */ | |||
| 201 | while (*node != NULL((void*)0)) { | |||
| 202 | if ((*node)->key == conn) { | |||
| 203 | struct _ct_node *temp = *node; | |||
| 204 | ||||
| 205 | *node = (*node)->next; | |||
| 206 | free(temp); | |||
| 207 | return; | |||
| 208 | } | |||
| 209 | node = &((*node)->next); | |||
| 210 | } | |||
| 211 | return; | |||
| 212 | } | |||
| 213 | else { | |||
| 214 | while (*node != NULL((void*)0)) { | |||
| 215 | if ((*node)->key == conn) { | |||
| 216 | (*node)->value = client; | |||
| 217 | return; | |||
| 218 | } | |||
| 219 | node = &((*node)->next); | |||
| 220 | } | |||
| 221 | *node = malloc(sizeof(struct _ct_node)); | |||
| 222 | (*node)->next = NULL((void*)0); | |||
| 223 | (*node)->key = conn; | |||
| 224 | (*node)->value = client; | |||
| 225 | return; | |||
| 226 | } | |||
| 227 | } | |||
| 228 | ||||
| 229 | void | |||
| 230 | ClearConnectionTranslation(void) | |||
| 231 | { | |||
| 232 | unsigned i; | |||
| 233 | ||||
| 234 | for (i = 0; i < 256; i++) { | |||
| 235 | struct _ct_node *node = ct_head[i]; | |||
| 236 | ||||
| 237 | while (node != NULL((void*)0)) { | |||
| 238 | struct _ct_node *temp = node; | |||
| 239 | ||||
| 240 | node = node->next; | |||
| 241 | free(temp); | |||
| 242 | } | |||
| 243 | } | |||
| 244 | } | |||
| 245 | #endif | |||
| 246 | ||||
| 247 | static XtransConnInfo *ListenTransConns = NULL((void*)0); | |||
| 248 | static int *ListenTransFds = NULL((void*)0); | |||
| 249 | static int ListenTransCount; | |||
| 250 | ||||
| 251 | static void ErrorConnMax(XtransConnInfo /* trans_conn */ ); | |||
| 252 | ||||
| 253 | static XtransConnInfo | |||
| 254 | lookup_trans_conn(int fd) | |||
| 255 | { | |||
| 256 | if (ListenTransFds) { | |||
| 257 | int i; | |||
| 258 | ||||
| 259 | for (i = 0; i < ListenTransCount; i++) | |||
| 260 | if (ListenTransFds[i] == fd) | |||
| 261 | return ListenTransConns[i]; | |||
| 262 | } | |||
| 263 | ||||
| 264 | return NULL((void*)0); | |||
| 265 | } | |||
| 266 | ||||
| 267 | /* Set MaxClients and lastfdesc, and allocate ConnectionTranslation */ | |||
| 268 | ||||
| 269 | void | |||
| 270 | InitConnectionLimits(void) | |||
| 271 | { | |||
| 272 | lastfdesc = -1; | |||
| 273 | ||||
| 274 | #ifndef __CYGWIN__ | |||
| 275 | ||||
| 276 | #if !defined(XNO_SYSCONF) && defined(_SC_OPEN_MAX5) | |||
| 277 | lastfdesc = sysconf(_SC_OPEN_MAX5) - 1; | |||
| 278 | #endif | |||
| 279 | ||||
| 280 | #ifdef HAVE_GETDTABLESIZE1 | |||
| 281 | if (lastfdesc < 0) | |||
| 282 | lastfdesc = getdtablesize() - 1; | |||
| 283 | #endif | |||
| 284 | ||||
| 285 | #ifdef _NFILE | |||
| 286 | if (lastfdesc < 0) | |||
| 287 | lastfdesc = _NFILE - 1; | |||
| 288 | #endif | |||
| 289 | ||||
| 290 | #endif /* __CYGWIN__ */ | |||
| 291 | ||||
| 292 | /* This is the fallback */ | |||
| 293 | if (lastfdesc < 0) | |||
| 294 | lastfdesc = MAXSOCKS256; | |||
| 295 | ||||
| 296 | if (lastfdesc > MAXSELECT(sizeof(fd_set) * 8)) | |||
| 297 | lastfdesc = MAXSELECT(sizeof(fd_set) * 8); | |||
| 298 | ||||
| 299 | if (lastfdesc > MAXCLIENTS256) { | |||
| 300 | lastfdesc = MAXCLIENTS256; | |||
| 301 | if (debug_conns) | |||
| 302 | ErrorF("REACHED MAXIMUM CLIENTS LIMIT %d\n", MAXCLIENTS256); | |||
| 303 | } | |||
| 304 | MaxClients = lastfdesc; | |||
| 305 | ||||
| 306 | #ifdef DEBUG | |||
| 307 | ErrorF("InitConnectionLimits: MaxClients = %d\n", MaxClients); | |||
| 308 | #endif | |||
| 309 | ||||
| 310 | #if !defined(WIN32) | |||
| 311 | if (!ConnectionTranslation) | |||
| 312 | ConnectionTranslation = (int *) xnfalloc(sizeof(int) * (lastfdesc + 1))XNFalloc((unsigned long)(sizeof(int) * (lastfdesc + 1))); | |||
| 313 | #else | |||
| 314 | InitConnectionTranslation(); | |||
| 315 | #endif | |||
| 316 | } | |||
| 317 | ||||
| 318 | /* | |||
| 319 | * If SIGUSR1 was set to SIG_IGN when the server started, assume that either | |||
| 320 | * | |||
| 321 | * a- The parent process is ignoring SIGUSR1 | |||
| 322 | * | |||
| 323 | * or | |||
| 324 | * | |||
| 325 | * b- The parent process is expecting a SIGUSR1 | |||
| 326 | * when the server is ready to accept connections | |||
| 327 | * | |||
| 328 | * In the first case, the signal will be harmless, in the second case, | |||
| 329 | * the signal will be quite useful. | |||
| 330 | */ | |||
| 331 | static void | |||
| 332 | InitParentProcess(void) | |||
| 333 | { | |||
| 334 | #if !defined(WIN32) | |||
| 335 | OsSigHandlerPtr handler; | |||
| 336 | ||||
| 337 | handler = OsSignal(SIGUSR130, SIG_IGN(void (*)(int))1); | |||
| 338 | if (handler == SIG_IGN(void (*)(int))1) | |||
| 339 | RunFromSmartParent = TRUE1; | |||
| 340 | OsSignal(SIGUSR130, handler); | |||
| 341 | ParentProcess = getppid(); | |||
| 342 | #endif | |||
| 343 | } | |||
| 344 | ||||
| 345 | void | |||
| 346 | NotifyParentProcess(void) | |||
| 347 | { | |||
| 348 | #if !defined(WIN32) | |||
| 349 | if (displayfd >= 0) { | |||
| 350 | if (write(displayfd, display, strlen(display)) != strlen(display)) | |||
| 351 | FatalError("Cannot write display number to fd %d\n", displayfd); | |||
| 352 | if (write(displayfd, "\n", 1) != 1) | |||
| 353 | FatalError("Cannot write display number to fd %d\n", displayfd); | |||
| 354 | close(displayfd); | |||
| 355 | displayfd = -1; | |||
| 356 | } | |||
| 357 | if (RunFromSmartParent) { | |||
| 358 | if (ParentProcess > 1) { | |||
| 359 | kill(ParentProcess, SIGUSR130); | |||
| 360 | } | |||
| 361 | } | |||
| 362 | if (RunFromSigStopParent) | |||
| 363 | raise(SIGSTOP17); | |||
| 364 | #endif | |||
| 365 | } | |||
| 366 | ||||
| 367 | static Bool | |||
| 368 | TryCreateSocket(int num, int *partial) | |||
| 369 | { | |||
| 370 | char port[20]; | |||
| 371 | ||||
| 372 | snprintf(port, sizeof(port), "%d", num)__builtin___snprintf_chk (port, sizeof(port), 0, __builtin_object_size (port, 2 > 1 ? 1 : 0), "%d", num); | |||
| 373 | ||||
| 374 | return (_XSERVTransMakeAllCOTSServerListeners(port, partial, | |||
| 375 | &ListenTransCount, | |||
| 376 | &ListenTransConns) >= 0); | |||
| 377 | } | |||
| 378 | ||||
| 379 | /***************** | |||
| 380 | * CreateWellKnownSockets | |||
| 381 | * At initialization, create the sockets to listen on for new clients. | |||
| 382 | *****************/ | |||
| 383 | ||||
| 384 | void | |||
| 385 | CreateWellKnownSockets(void) | |||
| 386 | { | |||
| 387 | int i; | |||
| 388 | int partial; | |||
| 389 | ||||
| 390 | FD_ZERO(&AllSockets)__builtin_bzero(&AllSockets, sizeof(*(&AllSockets))); | |||
| 391 | FD_ZERO(&AllClients)__builtin_bzero(&AllClients, sizeof(*(&AllClients))); | |||
| 392 | FD_ZERO(&LastSelectMask)__builtin_bzero(&LastSelectMask, sizeof(*(&LastSelectMask ))); | |||
| 393 | FD_ZERO(&ClientsWithInput)__builtin_bzero(&ClientsWithInput, sizeof(*(&ClientsWithInput ))); | |||
| 394 | ||||
| 395 | #if !defined(WIN32) | |||
| 396 | for (i = 0; i < MaxClients; i++) | |||
| ||||
| 397 | ConnectionTranslation[i] = 0; | |||
| 398 | #else | |||
| 399 | ClearConnectionTranslation(); | |||
| 400 | #endif | |||
| 401 | ||||
| 402 | FD_ZERO(&WellKnownConnections)__builtin_bzero(&WellKnownConnections, sizeof(*(&WellKnownConnections ))); | |||
| 403 | ||||
| 404 | /* display is initialized to "0" by main(). It is then set to the display | |||
| 405 | * number if specified on the command line. */ | |||
| 406 | ||||
| 407 | if (NoListenAll) { | |||
| 408 | ListenTransCount = 0; | |||
| 409 | } | |||
| 410 | else if ((displayfd < 0) || explicit_display) { | |||
| 411 | if (TryCreateSocket(atoi(display), &partial) && | |||
| 412 | ListenTransCount >= 1) | |||
| 413 | if (!PartialNetwork && partial) | |||
| 414 | FatalError ("Failed to establish all listening sockets"); | |||
| 415 | } | |||
| 416 | else { /* -displayfd and no explicit display number */ | |||
| 417 | Bool found = 0; | |||
| 418 | for (i = 0; i < 65536 - X_TCP_PORT6000; i++) { | |||
| 419 | if (TryCreateSocket(i, &partial) && !partial) { | |||
| 420 | found = 1; | |||
| 421 | break; | |||
| 422 | } | |||
| 423 | else | |||
| 424 | CloseWellKnownConnections(); | |||
| 425 | } | |||
| 426 | if (!found) | |||
| 427 | FatalError("Failed to find a socket to listen on"); | |||
| 428 | snprintf(dynamic_display, sizeof(dynamic_display), "%d", i)__builtin___snprintf_chk (dynamic_display, sizeof(dynamic_display ), 0, __builtin_object_size (dynamic_display, 2 > 1 ? 1 : 0 ), "%d", i); | |||
| 429 | display = dynamic_display; | |||
| 430 | } | |||
| 431 | ||||
| 432 | ListenTransFds = malloc(ListenTransCount * sizeof (int)); | |||
| ||||
| 433 | ||||
| 434 | for (i = 0; i < ListenTransCount; i++) { | |||
| 435 | int fd = _XSERVTransGetConnectionNumber(ListenTransConns[i]); | |||
| 436 | ||||
| 437 | ListenTransFds[i] = fd; | |||
| 438 | FD_SET(fd, &WellKnownConnections)do { int __fd = (fd); ((&WellKnownConnections)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 439 | ||||
| 440 | if (!_XSERVTransIsLocal(ListenTransConns[i])) | |||
| 441 | DefineSelf (fd); | |||
| 442 | } | |||
| 443 | ||||
| 444 | if (!XFD_ANYSET(&WellKnownConnections)((((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / (( sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8 ))) + 1)) > 0 && ((((&WellKnownConnections)-> fds_bits))[0])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof (__int32_t) * 8))) + 1)) > 1 && ((((&WellKnownConnections )->fds_bits))[1])) || (((((1024) % ((sizeof(__int32_t) * 8 ))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 2 && ((((& WellKnownConnections)->fds_bits))[2])) || (((((1024) % ((sizeof (__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8) )) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 3 && ((((&WellKnownConnections)->fds_bits))[3])) || (((((1024 ) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t ) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 4 && ((((&WellKnownConnections)->fds_bits))[4]) ) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 5 && ((((&WellKnownConnections)-> fds_bits))[5])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof (__int32_t) * 8))) + 1)) > 6 && ((((&WellKnownConnections )->fds_bits))[6])) || (((((1024) % ((sizeof(__int32_t) * 8 ))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 7 && ((((& WellKnownConnections)->fds_bits))[7])) || (((((1024) % ((sizeof (__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8) )) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 8 && ((((&WellKnownConnections)->fds_bits))[8])) || (((((1024 ) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t ) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 9 && ((((&WellKnownConnections)->fds_bits))[9]) ) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 10 && ((((&WellKnownConnections) ->fds_bits))[10])) || (((((1024) % ((sizeof(__int32_t) * 8 ))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 11 && ((((& WellKnownConnections)->fds_bits))[11])) || (((((1024) % (( sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t ) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 12 && ((((&WellKnownConnections)->fds_bits))[12] )) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t ) * 8))) + 1)) > 13 && ((((&WellKnownConnections )->fds_bits))[13])) || (((((1024) % ((sizeof(__int32_t) * 8 ))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 14 && ((((& WellKnownConnections)->fds_bits))[14])) || (((((1024) % (( sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t ) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 15 && ((((&WellKnownConnections)->fds_bits))[15] ))) && !NoListenAll) | |||
| 445 | FatalError | |||
| 446 | ("Cannot establish any listening sockets - Make sure an X server isn't already running"); | |||
| 447 | ||||
| 448 | #if !defined(WIN32) | |||
| 449 | OsSignal(SIGPIPE13, SIG_IGN(void (*)(int))1); | |||
| 450 | OsSignal(SIGHUP1, AutoResetServer); | |||
| 451 | #endif | |||
| 452 | OsSignal(SIGINT2, GiveUp); | |||
| 453 | OsSignal(SIGTERM15, GiveUp); | |||
| 454 | XFD_COPYSET(&WellKnownConnections, &AllSockets){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&AllSockets))->fds_bits))[__i__] = ((((&WellKnownConnections ))->fds_bits))[__i__]; }; | |||
| 455 | ResetHosts(display); | |||
| 456 | ||||
| 457 | InitParentProcess(); | |||
| 458 | ||||
| 459 | #ifdef XDMCP1 | |||
| 460 | XdmcpInit(); | |||
| 461 | #endif | |||
| 462 | } | |||
| 463 | ||||
| 464 | void | |||
| 465 | ResetWellKnownSockets(void) | |||
| 466 | { | |||
| 467 | int i; | |||
| 468 | ||||
| 469 | ResetOsBuffers(); | |||
| 470 | ||||
| 471 | for (i = 0; i < ListenTransCount; i++) { | |||
| 472 | int status = _XSERVTransResetListener(ListenTransConns[i]); | |||
| 473 | ||||
| 474 | if (status != TRANS_RESET_NOOP1) { | |||
| 475 | if (status == TRANS_RESET_FAILURE3) { | |||
| 476 | /* | |||
| 477 | * ListenTransConns[i] freed by xtrans. | |||
| 478 | * Remove it from out list. | |||
| 479 | */ | |||
| 480 | ||||
| 481 | FD_CLR(ListenTransFds[i], &WellKnownConnections)do { int __fd = (ListenTransFds[i]); ((&WellKnownConnections )->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 482 | ListenTransFds[i] = ListenTransFds[ListenTransCount - 1]; | |||
| 483 | ListenTransConns[i] = ListenTransConns[ListenTransCount - 1]; | |||
| 484 | ListenTransCount -= 1; | |||
| 485 | i -= 1; | |||
| 486 | } | |||
| 487 | else if (status == TRANS_RESET_NEW_FD2) { | |||
| 488 | /* | |||
| 489 | * A new file descriptor was allocated (the old one was closed) | |||
| 490 | */ | |||
| 491 | ||||
| 492 | int newfd = _XSERVTransGetConnectionNumber(ListenTransConns[i]); | |||
| 493 | ||||
| 494 | FD_CLR(ListenTransFds[i], &WellKnownConnections)do { int __fd = (ListenTransFds[i]); ((&WellKnownConnections )->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 495 | ListenTransFds[i] = newfd; | |||
| 496 | FD_SET(newfd, &WellKnownConnections)do { int __fd = (newfd); ((&WellKnownConnections)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 497 | } | |||
| 498 | } | |||
| 499 | } | |||
| 500 | ||||
| 501 | ResetAuthorization(); | |||
| 502 | ResetHosts(display); | |||
| 503 | /* | |||
| 504 | * restart XDMCP | |||
| 505 | */ | |||
| 506 | #ifdef XDMCP1 | |||
| 507 | XdmcpReset(); | |||
| 508 | #endif | |||
| 509 | } | |||
| 510 | ||||
| 511 | void | |||
| 512 | CloseWellKnownConnections(void) | |||
| 513 | { | |||
| 514 | int i; | |||
| 515 | ||||
| 516 | for (i = 0; i < ListenTransCount; i++) { | |||
| 517 | if (ListenTransConns[i] != NULL((void*)0)) { | |||
| 518 | _XSERVTransClose(ListenTransConns[i]); | |||
| 519 | ListenTransConns[i] = NULL((void*)0); | |||
| 520 | } | |||
| 521 | } | |||
| 522 | ListenTransCount = 0; | |||
| 523 | } | |||
| 524 | ||||
| 525 | static void | |||
| 526 | AuthAudit(ClientPtr client, Bool letin, | |||
| 527 | struct sockaddr *saddr, int len, | |||
| 528 | unsigned int proto_n, char *auth_proto, int auth_id) | |||
| 529 | { | |||
| 530 | char addr[128]; | |||
| 531 | char client_uid_string[64]; | |||
| 532 | LocalClientCredRec *lcc; | |||
| 533 | ||||
| 534 | #ifdef XSERVER_DTRACE1 | |||
| 535 | pid_t client_pid = -1; | |||
| 536 | zoneid_tint client_zid = -1; | |||
| 537 | #endif | |||
| 538 | ||||
| 539 | if (!len) | |||
| 540 | strlcpy(addr, "local host", sizeof(addr))__builtin___strlcpy_chk (addr, "local host", sizeof(addr), __builtin_object_size (addr, 2 > 1 ? 1 : 0)); | |||
| 541 | else | |||
| 542 | switch (saddr->sa_family) { | |||
| 543 | case AF_UNSPEC0: | |||
| 544 | #if defined(UNIXCONN1) || defined(LOCALCONN) | |||
| 545 | case AF_UNIX1: | |||
| 546 | #endif | |||
| 547 | strlcpy(addr, "local host", sizeof(addr))__builtin___strlcpy_chk (addr, "local host", sizeof(addr), __builtin_object_size (addr, 2 > 1 ? 1 : 0)); | |||
| 548 | break; | |||
| 549 | #if defined(TCPCONN1) || defined(STREAMSCONN) | |||
| 550 | case AF_INET2: | |||
| 551 | snprintf(addr, sizeof(addr), "IP %s",__builtin___snprintf_chk (addr, sizeof(addr), 0, __builtin_object_size (addr, 2 > 1 ? 1 : 0), "IP %s", inet_ntoa(((struct sockaddr_in *) saddr)->sin_addr)) | |||
| 552 | inet_ntoa(((struct sockaddr_in *) saddr)->sin_addr))__builtin___snprintf_chk (addr, sizeof(addr), 0, __builtin_object_size (addr, 2 > 1 ? 1 : 0), "IP %s", inet_ntoa(((struct sockaddr_in *) saddr)->sin_addr)); | |||
| 553 | break; | |||
| 554 | #if defined(IPv61) && defined(AF_INET630) | |||
| 555 | case AF_INET630:{ | |||
| 556 | char ipaddr[INET6_ADDRSTRLEN46]; | |||
| 557 | ||||
| 558 | inet_ntop(AF_INET630, &((struct sockaddr_in6 *) saddr)->sin6_addr, | |||
| 559 | ipaddr, sizeof(ipaddr)); | |||
| 560 | snprintf(addr, sizeof(addr), "IP %s", ipaddr)__builtin___snprintf_chk (addr, sizeof(addr), 0, __builtin_object_size (addr, 2 > 1 ? 1 : 0), "IP %s", ipaddr); | |||
| 561 | } | |||
| 562 | break; | |||
| 563 | #endif | |||
| 564 | #endif | |||
| 565 | default: | |||
| 566 | strlcpy(addr, "unknown address", sizeof(addr))__builtin___strlcpy_chk (addr, "unknown address", sizeof(addr ), __builtin_object_size (addr, 2 > 1 ? 1 : 0)); | |||
| 567 | } | |||
| 568 | ||||
| 569 | if (GetLocalClientCreds(client, &lcc) != -1) { | |||
| 570 | int slen; /* length written to client_uid_string */ | |||
| 571 | ||||
| 572 | strcpy(client_uid_string, " ( ")__builtin___strcpy_chk (client_uid_string, " ( ", __builtin_object_size (client_uid_string, 2 > 1 ? 1 : 0)); | |||
| 573 | slen = 3; | |||
| 574 | ||||
| 575 | if (lcc->fieldsSet & LCC_UID_SET(1 << 0)) { | |||
| 576 | snprintf(client_uid_string + slen,__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "uid=%ld ", (long) lcc->euid) | |||
| 577 | sizeof(client_uid_string) - slen,__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "uid=%ld ", (long) lcc->euid) | |||
| 578 | "uid=%ld ", (long) lcc->euid)__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "uid=%ld ", (long) lcc->euid); | |||
| 579 | slen = strlen(client_uid_string); | |||
| 580 | } | |||
| 581 | ||||
| 582 | if (lcc->fieldsSet & LCC_GID_SET(1 << 1)) { | |||
| 583 | snprintf(client_uid_string + slen,__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "gid=%ld ", (long) lcc->egid) | |||
| 584 | sizeof(client_uid_string) - slen,__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "gid=%ld ", (long) lcc->egid) | |||
| 585 | "gid=%ld ", (long) lcc->egid)__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "gid=%ld ", (long) lcc->egid); | |||
| 586 | slen = strlen(client_uid_string); | |||
| 587 | } | |||
| 588 | ||||
| 589 | if (lcc->fieldsSet & LCC_PID_SET(1 << 2)) { | |||
| 590 | #ifdef XSERVER_DTRACE1 | |||
| 591 | client_pid = lcc->pid; | |||
| 592 | #endif | |||
| 593 | snprintf(client_uid_string + slen,__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "pid=%ld ", (long) lcc->pid) | |||
| 594 | sizeof(client_uid_string) - slen,__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "pid=%ld ", (long) lcc->pid) | |||
| 595 | "pid=%ld ", (long) lcc->pid)__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "pid=%ld ", (long) lcc->pid); | |||
| 596 | slen = strlen(client_uid_string); | |||
| 597 | } | |||
| 598 | ||||
| 599 | if (lcc->fieldsSet & LCC_ZID_SET(1 << 3)) { | |||
| 600 | #ifdef XSERVER_DTRACE1 | |||
| 601 | client_zid = lcc->zoneid; | |||
| 602 | #endif | |||
| 603 | snprintf(client_uid_string + slen,__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "zoneid=%ld ", (long) lcc->zoneid) | |||
| 604 | sizeof(client_uid_string) - slen,__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "zoneid=%ld ", (long) lcc->zoneid) | |||
| 605 | "zoneid=%ld ", (long) lcc->zoneid)__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), "zoneid=%ld ", (long) lcc->zoneid); | |||
| 606 | slen = strlen(client_uid_string); | |||
| 607 | } | |||
| 608 | ||||
| 609 | snprintf(client_uid_string + slen, sizeof(client_uid_string) - slen,__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), ")") | |||
| 610 | ")")__builtin___snprintf_chk (client_uid_string + slen, sizeof(client_uid_string ) - slen, 0, __builtin_object_size (client_uid_string + slen, 2 > 1 ? 1 : 0), ")"); | |||
| 611 | FreeLocalClientCreds(lcc); | |||
| 612 | } | |||
| 613 | else { | |||
| 614 | client_uid_string[0] = '\0'; | |||
| 615 | } | |||
| 616 | ||||
| 617 | #ifdef XSERVER_DTRACE1 | |||
| 618 | XSERVER_CLIENT_AUTH(client->index, addr, client_pid, client_zid)do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$client__auth$v1$696e74$63686172202a$75696e7433325f74$75696e7433325f74 (client->index, addr, client_pid, client_zid); __asm__ volatile (".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0); | |||
| 619 | #endif | |||
| 620 | if (auditTrailLevel > 1) { | |||
| 621 | if (proto_n) | |||
| 622 | AuditF("client %d %s from %s%s\n Auth name: %.*s ID: %d\n", | |||
| 623 | client->index, letin ? "connected" : "rejected", addr, | |||
| 624 | client_uid_string, (int) proto_n, auth_proto, auth_id); | |||
| 625 | else | |||
| 626 | AuditF("client %d %s from %s%s\n", | |||
| 627 | client->index, letin ? "connected" : "rejected", addr, | |||
| 628 | client_uid_string); | |||
| 629 | ||||
| 630 | } | |||
| 631 | } | |||
| 632 | ||||
| 633 | XID | |||
| 634 | AuthorizationIDOfClient(ClientPtr client) | |||
| 635 | { | |||
| 636 | if (client->osPrivate) | |||
| 637 | return ((OsCommPtr) client->osPrivate)->auth_id; | |||
| 638 | else | |||
| 639 | return None0L; | |||
| 640 | } | |||
| 641 | ||||
| 642 | /***************************************************************** | |||
| 643 | * ClientAuthorized | |||
| 644 | * | |||
| 645 | * Sent by the client at connection setup: | |||
| 646 | * typedef struct _xConnClientPrefix { | |||
| 647 | * CARD8 byteOrder; | |||
| 648 | * BYTE pad; | |||
| 649 | * CARD16 majorVersion, minorVersion; | |||
| 650 | * CARD16 nbytesAuthProto; | |||
| 651 | * CARD16 nbytesAuthString; | |||
| 652 | * } xConnClientPrefix; | |||
| 653 | * | |||
| 654 | * It is hoped that eventually one protocol will be agreed upon. In the | |||
| 655 | * mean time, a server that implements a different protocol than the | |||
| 656 | * client expects, or a server that only implements the host-based | |||
| 657 | * mechanism, will simply ignore this information. | |||
| 658 | * | |||
| 659 | *****************************************************************/ | |||
| 660 | ||||
| 661 | const char * | |||
| 662 | ClientAuthorized(ClientPtr client, | |||
| 663 | unsigned int proto_n, char *auth_proto, | |||
| 664 | unsigned int string_n, char *auth_string) | |||
| 665 | { | |||
| 666 | OsCommPtr priv; | |||
| 667 | Xtransaddr *from = NULL((void*)0); | |||
| 668 | int family; | |||
| 669 | int fromlen; | |||
| 670 | XID auth_id; | |||
| 671 | const char *reason = NULL((void*)0); | |||
| 672 | XtransConnInfo trans_conn; | |||
| 673 | ||||
| 674 | priv = (OsCommPtr) client->osPrivate; | |||
| 675 | trans_conn = priv->trans_conn; | |||
| 676 | ||||
| 677 | /* Allow any client to connect without authorization on a launchd socket, | |||
| 678 | because it is securely created -- this prevents a race condition on launch */ | |||
| 679 | if (trans_conn->flags & TRANS_NOXAUTH(1<<6)) { | |||
| 680 | auth_id = (XID) 0L; | |||
| 681 | } | |||
| 682 | else { | |||
| 683 | auth_id = | |||
| 684 | CheckAuthorization(proto_n, auth_proto, string_n, auth_string, | |||
| 685 | client, &reason); | |||
| 686 | } | |||
| 687 | ||||
| 688 | if (auth_id == (XID) ~0L) { | |||
| 689 | if (_XSERVTransGetPeerAddr(trans_conn, &family, &fromlen, &from) != -1) { | |||
| 690 | if (InvalidHost((struct sockaddr *) from, fromlen, client)) | |||
| 691 | AuthAudit(client, FALSE0, (struct sockaddr *) from, | |||
| 692 | fromlen, proto_n, auth_proto, auth_id); | |||
| 693 | else { | |||
| 694 | auth_id = (XID) 0; | |||
| 695 | #ifdef XSERVER_DTRACE1 | |||
| 696 | if ((auditTrailLevel > 1) || XSERVER_CLIENT_AUTH_ENABLED()({ int _r = __dtrace_isenabled$Xserver$client__auth$v1(); __asm__ volatile(""); _r; })) | |||
| 697 | #else | |||
| 698 | if (auditTrailLevel > 1) | |||
| 699 | #endif | |||
| 700 | AuthAudit(client, TRUE1, | |||
| 701 | (struct sockaddr *) from, fromlen, | |||
| 702 | proto_n, auth_proto, auth_id); | |||
| 703 | } | |||
| 704 | ||||
| 705 | free(from); | |||
| 706 | } | |||
| 707 | ||||
| 708 | if (auth_id == (XID) ~0L) { | |||
| 709 | if (reason) | |||
| 710 | return reason; | |||
| 711 | else | |||
| 712 | return "Client is not authorized to connect to Server"; | |||
| 713 | } | |||
| 714 | } | |||
| 715 | #ifdef XSERVER_DTRACE1 | |||
| 716 | else if ((auditTrailLevel > 1) || XSERVER_CLIENT_AUTH_ENABLED()({ int _r = __dtrace_isenabled$Xserver$client__auth$v1(); __asm__ volatile(""); _r; })) | |||
| 717 | #else | |||
| 718 | else if (auditTrailLevel > 1) | |||
| 719 | #endif | |||
| 720 | { | |||
| 721 | if (_XSERVTransGetPeerAddr(trans_conn, &family, &fromlen, &from) != -1) { | |||
| 722 | AuthAudit(client, TRUE1, (struct sockaddr *) from, fromlen, | |||
| 723 | proto_n, auth_proto, auth_id); | |||
| 724 | ||||
| 725 | free(from); | |||
| 726 | } | |||
| 727 | } | |||
| 728 | priv->auth_id = auth_id; | |||
| 729 | priv->conn_time = 0; | |||
| 730 | ||||
| 731 | #ifdef XDMCP1 | |||
| 732 | /* indicate to Xdmcp protocol that we've opened new client */ | |||
| 733 | XdmcpOpenDisplay(priv->fd); | |||
| 734 | #endif /* XDMCP */ | |||
| 735 | ||||
| 736 | XaceHook(XACE_AUTH_AVAIL13, client, auth_id); | |||
| 737 | ||||
| 738 | /* At this point, if the client is authorized to change the access control | |||
| 739 | * list, we should getpeername() information, and add the client to | |||
| 740 | * the selfhosts list. It's not really the host machine, but the | |||
| 741 | * true purpose of the selfhosts list is to see who may change the | |||
| 742 | * access control list. | |||
| 743 | */ | |||
| 744 | return ((char *) NULL((void*)0)); | |||
| 745 | } | |||
| 746 | ||||
| 747 | static ClientPtr | |||
| 748 | AllocNewConnection(XtransConnInfo trans_conn, int fd, CARD32 conn_time) | |||
| 749 | { | |||
| 750 | OsCommPtr oc; | |||
| 751 | ClientPtr client; | |||
| 752 | ||||
| 753 | if ( | |||
| 754 | #ifndef WIN32 | |||
| 755 | fd >= lastfdesc | |||
| 756 | #else | |||
| 757 | XFD_SETCOUNT(&AllClients) >= MaxClients | |||
| 758 | #endif | |||
| 759 | ) | |||
| 760 | return NullClient((ClientPtr) 0); | |||
| 761 | oc = malloc(sizeof(OsCommRec)); | |||
| 762 | if (!oc) | |||
| 763 | return NullClient((ClientPtr) 0); | |||
| 764 | oc->trans_conn = trans_conn; | |||
| 765 | oc->fd = fd; | |||
| 766 | oc->input = (ConnectionInputPtr) NULL((void*)0); | |||
| 767 | oc->output = (ConnectionOutputPtr) NULL((void*)0); | |||
| 768 | oc->auth_id = None0L; | |||
| 769 | oc->conn_time = conn_time; | |||
| 770 | if (!(client = NextAvailableClient((void *) oc))) { | |||
| 771 | free(oc); | |||
| 772 | return NullClient((ClientPtr) 0); | |||
| 773 | } | |||
| 774 | client->local = ComputeLocalClient(client); | |||
| 775 | #if !defined(WIN32) | |||
| 776 | ConnectionTranslation[fd] = client->index; | |||
| 777 | #else | |||
| 778 | SetConnectionTranslation(fd, client->index); | |||
| 779 | #endif | |||
| 780 | if (GrabInProgress) { | |||
| 781 | FD_SET(fd, &SavedAllClients)do { int __fd = (fd); ((&SavedAllClients)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 782 | FD_SET(fd, &SavedAllSockets)do { int __fd = (fd); ((&SavedAllSockets)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 783 | } | |||
| 784 | else { | |||
| 785 | FD_SET(fd, &AllClients)do { int __fd = (fd); ((&AllClients)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 786 | FD_SET(fd, &AllSockets)do { int __fd = (fd); ((&AllSockets)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 787 | } | |||
| 788 | ||||
| 789 | #ifdef DEBUG | |||
| 790 | ErrorF("AllocNewConnection: client index = %d, socket fd = %d\n", | |||
| 791 | client->index, fd); | |||
| 792 | #endif | |||
| 793 | #ifdef XSERVER_DTRACE1 | |||
| 794 | XSERVER_CLIENT_CONNECT(client->index, fd)do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$client__connect$v1$696e74$696e74(client ->index, fd); __asm__ volatile(".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0); | |||
| 795 | #endif | |||
| 796 | ||||
| 797 | return client; | |||
| 798 | } | |||
| 799 | ||||
| 800 | /***************** | |||
| 801 | * EstablishNewConnections | |||
| 802 | * If anyone is waiting on listened sockets, accept them. | |||
| 803 | * Returns a mask with indices of new clients. Updates AllClients | |||
| 804 | * and AllSockets. | |||
| 805 | *****************/ | |||
| 806 | ||||
| 807 | /*ARGSUSED*/ Bool | |||
| 808 | EstablishNewConnections(ClientPtr clientUnused, void *closure) | |||
| 809 | { | |||
| 810 | fd_set readyconnections; /* set of listeners that are ready */ | |||
| 811 | int curconn; /* fd of listener that's ready */ | |||
| 812 | register int newconn; /* fd of new client */ | |||
| 813 | CARD32 connect_time; | |||
| 814 | register int i; | |||
| 815 | register ClientPtr client; | |||
| 816 | register OsCommPtr oc; | |||
| 817 | fd_set tmask; | |||
| 818 | ||||
| 819 | XFD_ANDSET(&tmask, (fd_set *) closure, &WellKnownConnections){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&tmask))->fds_bits))[__i__] = (((((((fd_set *) closure ))->fds_bits))[__i__]) & (((((&WellKnownConnections ))->fds_bits))[__i__])); }; | |||
| 820 | XFD_COPYSET(&tmask, &readyconnections){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&readyconnections))->fds_bits))[__i__] = ((((&tmask ))->fds_bits))[__i__]; }; | |||
| 821 | if (!XFD_ANYSET(&readyconnections)((((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / (( sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8 ))) + 1)) > 0 && ((((&readyconnections)->fds_bits ))[0])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? (( 1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t ) * 8))) + 1)) > 1 && ((((&readyconnections)-> fds_bits))[1])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof (__int32_t) * 8))) + 1)) > 2 && ((((&readyconnections )->fds_bits))[2])) || (((((1024) % ((sizeof(__int32_t) * 8 ))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 3 && ((((& readyconnections)->fds_bits))[3])) || (((((1024) % ((sizeof (__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8) )) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 4 && ((((&readyconnections)->fds_bits))[4])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t ) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 5 && ((((&readyconnections)->fds_bits))[5])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / (( sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8 ))) + 1)) > 6 && ((((&readyconnections)->fds_bits ))[6])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? (( 1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t ) * 8))) + 1)) > 7 && ((((&readyconnections)-> fds_bits))[7])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof (__int32_t) * 8))) + 1)) > 8 && ((((&readyconnections )->fds_bits))[8])) || (((((1024) % ((sizeof(__int32_t) * 8 ))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 9 && ((((& readyconnections)->fds_bits))[9])) || (((((1024) % ((sizeof (__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8) )) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 10 && ((((&readyconnections)->fds_bits))[10])) || (((((1024 ) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t ) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 11 && ((((&readyconnections)->fds_bits))[11])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / (( sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8 ))) + 1)) > 12 && ((((&readyconnections)->fds_bits ))[12])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ( (1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t ) * 8))) + 1)) > 13 && ((((&readyconnections)-> fds_bits))[13])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof (__int32_t) * 8))) + 1)) > 14 && ((((&readyconnections )->fds_bits))[14])) || (((((1024) % ((sizeof(__int32_t) * 8 ))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 15 && ((((& readyconnections)->fds_bits))[15])))) | |||
| 822 | return TRUE1; | |||
| 823 | connect_time = GetTimeInMillis(); | |||
| 824 | /* kill off stragglers */ | |||
| 825 | for (i = 1; i < currentMaxClients; i++) { | |||
| 826 | if ((client = clients[i])) { | |||
| 827 | oc = (OsCommPtr) (client->osPrivate); | |||
| 828 | if ((oc && (oc->conn_time != 0) && | |||
| 829 | (connect_time - oc->conn_time) >= TimeOutValue) || | |||
| 830 | (client->noClientException != Success0 && !client->clientGone)) | |||
| 831 | CloseDownClient(client); | |||
| 832 | } | |||
| 833 | } | |||
| 834 | #ifndef WIN32 | |||
| 835 | for (i = 0; i < howmany(XFD_SETSIZE, NFDBITS)((((512) % ((sizeof(__int32_t) * 8))) == 0) ? ((512) / ((sizeof (__int32_t) * 8))) : (((512) / ((sizeof(__int32_t) * 8))) + 1 )); i++) { | |||
| 836 | while (readyconnections.fds_bits[i]) | |||
| 837 | #else | |||
| 838 | for (i = 0; i < XFD_SETCOUNT(&readyconnections); i++) | |||
| 839 | #endif | |||
| 840 | { | |||
| 841 | XtransConnInfo trans_conn, new_trans_conn; | |||
| 842 | int status; | |||
| 843 | ||||
| 844 | #ifndef WIN32 | |||
| 845 | curconn = mffs(readyconnections.fds_bits[i]) - 1; | |||
| 846 | readyconnections.fds_bits[i] &= ~((fd_mask) 1 << curconn); | |||
| 847 | curconn += (i * (sizeof(fd_mask) * 8)); | |||
| 848 | #else | |||
| 849 | curconn = XFD_FD(&readyconnections, i); | |||
| 850 | #endif | |||
| 851 | ||||
| 852 | if ((trans_conn = lookup_trans_conn(curconn)) == NULL((void*)0)) | |||
| 853 | continue; | |||
| 854 | ||||
| 855 | if ((new_trans_conn = _XSERVTransAccept(trans_conn, &status)) == NULL((void*)0)) | |||
| 856 | continue; | |||
| 857 | ||||
| 858 | newconn = _XSERVTransGetConnectionNumber(new_trans_conn); | |||
| 859 | ||||
| 860 | if (newconn < lastfdesc) { | |||
| 861 | int clientid; | |||
| 862 | ||||
| 863 | #if !defined(WIN32) | |||
| 864 | clientid = ConnectionTranslation[newconn]; | |||
| 865 | #else | |||
| 866 | clientid = GetConnectionTranslation(newconn); | |||
| 867 | #endif | |||
| 868 | if (clientid && (client = clients[clientid])) | |||
| 869 | CloseDownClient(client); | |||
| 870 | } | |||
| 871 | ||||
| 872 | _XSERVTransSetOption(new_trans_conn, TRANS_NONBLOCKING1, 1); | |||
| 873 | ||||
| 874 | if (trans_conn->flags & TRANS_NOXAUTH(1<<6)) | |||
| 875 | new_trans_conn->flags = new_trans_conn->flags | TRANS_NOXAUTH(1<<6); | |||
| 876 | ||||
| 877 | if (!AllocNewConnection(new_trans_conn, newconn, connect_time)) { | |||
| 878 | ErrorConnMax(new_trans_conn); | |||
| 879 | _XSERVTransClose(new_trans_conn); | |||
| 880 | } | |||
| 881 | } | |||
| 882 | #ifndef WIN32 | |||
| 883 | } | |||
| 884 | #endif | |||
| 885 | return TRUE1; | |||
| 886 | } | |||
| 887 | ||||
| 888 | #define NOROOM"Maximum number of clients reached" "Maximum number of clients reached" | |||
| 889 | ||||
| 890 | /************ | |||
| 891 | * ErrorConnMax | |||
| 892 | * Fail a connection due to lack of client or file descriptor space | |||
| 893 | ************/ | |||
| 894 | ||||
| 895 | #define BOTIMEOUT200 200 /* in milliseconds */ | |||
| 896 | ||||
| 897 | static void | |||
| 898 | ErrorConnMax(XtransConnInfo trans_conn) | |||
| 899 | { | |||
| 900 | int fd = _XSERVTransGetConnectionNumber(trans_conn); | |||
| 901 | xConnSetupPrefix csp; | |||
| 902 | char pad[3] = { 0, 0, 0 }; | |||
| 903 | struct iovec iov[3]; | |||
| 904 | char order = 0; | |||
| 905 | int whichbyte = 1; | |||
| 906 | struct timeval waittime; | |||
| 907 | fd_set mask; | |||
| 908 | ||||
| 909 | /* if these seems like a lot of trouble to go to, it probably is */ | |||
| 910 | waittime.tv_sec = BOTIMEOUT200 / MILLI_PER_SECOND(1000); | |||
| 911 | waittime.tv_usec = (BOTIMEOUT200 % MILLI_PER_SECOND(1000)) * | |||
| 912 | (1000000 / MILLI_PER_SECOND(1000)); | |||
| 913 | FD_ZERO(&mask)__builtin_bzero(&mask, sizeof(*(&mask))); | |||
| 914 | FD_SET(fd, &mask)do { int __fd = (fd); ((&mask)->fds_bits[(unsigned long )__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 915 | (void) Select(fd + 1, &mask, NULL, NULL, &waittime)select(fd + 1,(fd_set*)&mask,(fd_set*)((void*)0),(fd_set* )((void*)0),(struct timeval*)&waittime); | |||
| 916 | /* try to read the byte-order of the connection */ | |||
| 917 | (void) _XSERVTransRead(trans_conn, &order, 1); | |||
| 918 | if (order == 'l' || order == 'B' || order == 'r' || order == 'R') { | |||
| 919 | csp.success = xFalse0; | |||
| 920 | csp.lengthReason = sizeof(NOROOM"Maximum number of clients reached") - 1; | |||
| 921 | csp.length = (sizeof(NOROOM"Maximum number of clients reached") + 2) >> 2; | |||
| 922 | csp.majorVersion = X_PROTOCOL11; | |||
| 923 | csp.minorVersion = X_PROTOCOL_REVISION0; | |||
| 924 | if (((*(char *) &whichbyte) && (order == 'B' || order == 'R')) || | |||
| 925 | (!(*(char *) &whichbyte) && (order == 'l' || order == 'r'))) { | |||
| 926 | swaps(&csp.majorVersion)do { if (sizeof(*(&csp.majorVersion)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&csp.majorVersion) & 1) && ((uintptr_t)(&csp.majorVersion) & 1) == 0) *(&csp.majorVersion) = lswaps(*(&csp.majorVersion )); else swap_uint16((uint16_t *)(&csp.majorVersion)); } while (0); | |||
| 927 | swaps(&csp.minorVersion)do { if (sizeof(*(&csp.minorVersion)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&csp.minorVersion) & 1) && ((uintptr_t)(&csp.minorVersion) & 1) == 0) *(&csp.minorVersion) = lswaps(*(&csp.minorVersion )); else swap_uint16((uint16_t *)(&csp.minorVersion)); } while (0); | |||
| 928 | swaps(&csp.length)do { if (sizeof(*(&csp.length)) != 2) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&csp.length) & 1) && ((uintptr_t )(&csp.length) & 1) == 0) *(&csp.length) = lswaps (*(&csp.length)); else swap_uint16((uint16_t *)(&csp. length)); } while (0); | |||
| 929 | } | |||
| 930 | iov[0].iov_len = sz_xConnSetupPrefix8; | |||
| 931 | iov[0].iov_base = (char *) &csp; | |||
| 932 | iov[1].iov_len = csp.lengthReason; | |||
| 933 | iov[1].iov_base = (void *) NOROOM"Maximum number of clients reached"; | |||
| 934 | iov[2].iov_len = (4 - (csp.lengthReason & 3)) & 3; | |||
| 935 | iov[2].iov_base = pad; | |||
| 936 | (void) _XSERVTransWritev(trans_conn, iov, 3); | |||
| 937 | } | |||
| 938 | } | |||
| 939 | ||||
| 940 | /************ | |||
| 941 | * CloseDownFileDescriptor: | |||
| 942 | * Remove this file descriptor and it's I/O buffers, etc. | |||
| 943 | ************/ | |||
| 944 | ||||
| 945 | static void | |||
| 946 | CloseDownFileDescriptor(OsCommPtr oc) | |||
| 947 | { | |||
| 948 | int connection = oc->fd; | |||
| 949 | ||||
| 950 | if (oc->trans_conn) { | |||
| 951 | _XSERVTransDisconnect(oc->trans_conn); | |||
| 952 | _XSERVTransClose(oc->trans_conn); | |||
| 953 | } | |||
| 954 | #ifndef WIN32 | |||
| 955 | ConnectionTranslation[connection] = 0; | |||
| 956 | #else | |||
| 957 | SetConnectionTranslation(connection, 0); | |||
| 958 | #endif | |||
| 959 | FD_CLR(connection, &AllSockets)do { int __fd = (connection); ((&AllSockets)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 960 | FD_CLR(connection, &AllClients)do { int __fd = (connection); ((&AllClients)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 961 | FD_CLR(connection, &ClientsWithInput)do { int __fd = (connection); ((&ClientsWithInput)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 962 | FD_CLR(connection, &GrabImperviousClients)do { int __fd = (connection); ((&GrabImperviousClients)-> fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~ ((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 963 | if (GrabInProgress) { | |||
| 964 | FD_CLR(connection, &SavedAllSockets)do { int __fd = (connection); ((&SavedAllSockets)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 965 | FD_CLR(connection, &SavedAllClients)do { int __fd = (connection); ((&SavedAllClients)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 966 | FD_CLR(connection, &SavedClientsWithInput)do { int __fd = (connection); ((&SavedClientsWithInput)-> fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~ ((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 967 | } | |||
| 968 | FD_CLR(connection, &ClientsWriteBlocked)do { int __fd = (connection); ((&ClientsWriteBlocked)-> fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~ ((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 969 | if (!XFD_ANYSET(&ClientsWriteBlocked)((((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / (( sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8 ))) + 1)) > 0 && ((((&ClientsWriteBlocked)-> fds_bits))[0])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof (__int32_t) * 8))) + 1)) > 1 && ((((&ClientsWriteBlocked )->fds_bits))[1])) || (((((1024) % ((sizeof(__int32_t) * 8 ))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 2 && ((((& ClientsWriteBlocked)->fds_bits))[2])) || (((((1024) % ((sizeof (__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8) )) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 3 && ((((&ClientsWriteBlocked)->fds_bits))[3])) || (((((1024 ) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t ) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 4 && ((((&ClientsWriteBlocked)->fds_bits))[4])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 5 && ((((&ClientsWriteBlocked)-> fds_bits))[5])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof (__int32_t) * 8))) + 1)) > 6 && ((((&ClientsWriteBlocked )->fds_bits))[6])) || (((((1024) % ((sizeof(__int32_t) * 8 ))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 7 && ((((& ClientsWriteBlocked)->fds_bits))[7])) || (((((1024) % ((sizeof (__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8) )) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 8 && ((((&ClientsWriteBlocked)->fds_bits))[8])) || (((((1024 ) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t ) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 9 && ((((&ClientsWriteBlocked)->fds_bits))[9])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 10 && ((((&ClientsWriteBlocked)-> fds_bits))[10])) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof (__int32_t) * 8))) + 1)) > 11 && ((((&ClientsWriteBlocked )->fds_bits))[11])) || (((((1024) % ((sizeof(__int32_t) * 8 ))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 12 && ((((& ClientsWriteBlocked)->fds_bits))[12])) || (((((1024) % ((sizeof (__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8) )) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 13 && ((((&ClientsWriteBlocked)->fds_bits))[13])) || (((((1024 ) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t ) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 14 && ((((&ClientsWriteBlocked)->fds_bits))[14]) ) || (((((1024) % ((sizeof(__int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8))) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)) > 15 && ((((&ClientsWriteBlocked)-> fds_bits))[15])))) | |||
| 970 | AnyClientsWriteBlocked = FALSE0; | |||
| 971 | FD_CLR(connection, &OutputPending)do { int __fd = (connection); ((&OutputPending)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 972 | } | |||
| 973 | ||||
| 974 | /***************** | |||
| 975 | * CheckConnections | |||
| 976 | * Some connection has died, go find which one and shut it down | |||
| 977 | * The file descriptor has been closed, but is still in AllClients. | |||
| 978 | * If would truly be wonderful if select() would put the bogus | |||
| 979 | * file descriptors in the exception mask, but nooooo. So we have | |||
| 980 | * to check each and every socket individually. | |||
| 981 | *****************/ | |||
| 982 | ||||
| 983 | void | |||
| 984 | CheckConnections(void) | |||
| 985 | { | |||
| 986 | #ifndef WIN32 | |||
| 987 | fd_mask mask; | |||
| 988 | #endif | |||
| 989 | fd_set tmask; | |||
| 990 | int curclient, curoff; | |||
| 991 | int i; | |||
| 992 | struct timeval notime; | |||
| 993 | int r; | |||
| 994 | ||||
| 995 | #ifdef WIN32 | |||
| 996 | fd_set savedAllClients; | |||
| 997 | #endif | |||
| 998 | ||||
| 999 | notime.tv_sec = 0; | |||
| 1000 | notime.tv_usec = 0; | |||
| 1001 | ||||
| 1002 | #ifndef WIN32 | |||
| 1003 | for (i = 0; i < howmany(XFD_SETSIZE, NFDBITS)((((512) % ((sizeof(__int32_t) * 8))) == 0) ? ((512) / ((sizeof (__int32_t) * 8))) : (((512) / ((sizeof(__int32_t) * 8))) + 1 )); i++) { | |||
| 1004 | mask = AllClients.fds_bits[i]; | |||
| 1005 | while (mask) { | |||
| 1006 | curoff = mffs(mask) - 1; | |||
| 1007 | curclient = curoff + (i * (sizeof(fd_mask) * 8)); | |||
| 1008 | FD_ZERO(&tmask)__builtin_bzero(&tmask, sizeof(*(&tmask))); | |||
| 1009 | FD_SET(curclient, &tmask)do { int __fd = (curclient); ((&tmask)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 1010 | do { | |||
| 1011 | r = Select(curclient + 1, &tmask, NULL, NULL, ¬ime)select(curclient + 1,(fd_set*)&tmask,(fd_set*)((void*)0), (fd_set*)((void*)0),(struct timeval*)¬ime); | |||
| 1012 | } while (r < 0 && (errno(*__error()) == EINTR4 || errno(*__error()) == EAGAIN35)); | |||
| 1013 | if (r < 0) | |||
| 1014 | if (ConnectionTranslation[curclient] > 0) | |||
| 1015 | CloseDownClient(clients[ConnectionTranslation[curclient]]); | |||
| 1016 | mask &= ~((fd_mask) 1 << curoff); | |||
| 1017 | } | |||
| 1018 | } | |||
| 1019 | #else | |||
| 1020 | XFD_COPYSET(&AllClients, &savedAllClients){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&savedAllClients))->fds_bits))[__i__] = ((((&AllClients ))->fds_bits))[__i__]; }; | |||
| 1021 | for (i = 0; i < XFD_SETCOUNT(&savedAllClients); i++) { | |||
| 1022 | curclient = XFD_FD(&savedAllClients, i); | |||
| 1023 | FD_ZERO(&tmask)__builtin_bzero(&tmask, sizeof(*(&tmask))); | |||
| 1024 | FD_SET(curclient, &tmask)do { int __fd = (curclient); ((&tmask)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 1025 | do { | |||
| 1026 | r = Select(curclient + 1, &tmask, NULL, NULL, ¬ime)select(curclient + 1,(fd_set*)&tmask,(fd_set*)((void*)0), (fd_set*)((void*)0),(struct timeval*)¬ime); | |||
| 1027 | } while (r < 0 && (errno(*__error()) == EINTR4 || errno(*__error()) == EAGAIN35)); | |||
| 1028 | if (r < 0) | |||
| 1029 | if (GetConnectionTranslation(curclient) > 0) | |||
| 1030 | CloseDownClient(clients[GetConnectionTranslation(curclient)]); | |||
| 1031 | } | |||
| 1032 | #endif | |||
| 1033 | } | |||
| 1034 | ||||
| 1035 | /***************** | |||
| 1036 | * CloseDownConnection | |||
| 1037 | * Delete client from AllClients and free resources | |||
| 1038 | *****************/ | |||
| 1039 | ||||
| 1040 | void | |||
| 1041 | CloseDownConnection(ClientPtr client) | |||
| 1042 | { | |||
| 1043 | OsCommPtr oc = (OsCommPtr) client->osPrivate; | |||
| 1044 | ||||
| 1045 | if (FlushCallback) | |||
| 1046 | CallCallbacks(&FlushCallback, NULL((void*)0)); | |||
| 1047 | ||||
| 1048 | if (oc->output) | |||
| 1049 | FlushClient(client, oc, (char *) NULL((void*)0), 0); | |||
| 1050 | #ifdef XDMCP1 | |||
| 1051 | XdmcpCloseDisplay(oc->fd); | |||
| 1052 | #endif | |||
| 1053 | CloseDownFileDescriptor(oc); | |||
| 1054 | FreeOsBuffers(oc); | |||
| 1055 | free(client->osPrivate); | |||
| 1056 | client->osPrivate = (void *) NULL((void*)0); | |||
| 1057 | if (auditTrailLevel > 1) | |||
| 1058 | AuditF("client %d disconnected\n", client->index); | |||
| 1059 | } | |||
| 1060 | ||||
| 1061 | void | |||
| 1062 | AddGeneralSocket(int fd) | |||
| 1063 | { | |||
| 1064 | FD_SET(fd, &AllSockets)do { int __fd = (fd); ((&AllSockets)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 1065 | if (GrabInProgress) | |||
| 1066 | FD_SET(fd, &SavedAllSockets)do { int __fd = (fd); ((&SavedAllSockets)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 1067 | } | |||
| 1068 | ||||
| 1069 | void | |||
| 1070 | AddEnabledDevice(int fd) | |||
| 1071 | { | |||
| 1072 | FD_SET(fd, &EnabledDevices)do { int __fd = (fd); ((&EnabledDevices)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 1073 | AddGeneralSocket(fd); | |||
| 1074 | } | |||
| 1075 | ||||
| 1076 | void | |||
| 1077 | RemoveGeneralSocket(int fd) | |||
| 1078 | { | |||
| 1079 | FD_CLR(fd, &AllSockets)do { int __fd = (fd); ((&AllSockets)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 1080 | if (GrabInProgress) | |||
| 1081 | FD_CLR(fd, &SavedAllSockets)do { int __fd = (fd); ((&SavedAllSockets)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 1082 | } | |||
| 1083 | ||||
| 1084 | void | |||
| 1085 | RemoveEnabledDevice(int fd) | |||
| 1086 | { | |||
| 1087 | FD_CLR(fd, &EnabledDevices)do { int __fd = (fd); ((&EnabledDevices)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 1088 | RemoveGeneralSocket(fd); | |||
| 1089 | } | |||
| 1090 | ||||
| 1091 | /***************** | |||
| 1092 | * OnlyListenToOneClient: | |||
| 1093 | * Only accept requests from one client. Continue to handle new | |||
| 1094 | * connections, but don't take any protocol requests from the new | |||
| 1095 | * ones. Note that if GrabInProgress is set, EstablishNewConnections | |||
| 1096 | * needs to put new clients into SavedAllSockets and SavedAllClients. | |||
| 1097 | * Note also that there is no timeout for this in the protocol. | |||
| 1098 | * This routine is "undone" by ListenToAllClients() | |||
| 1099 | *****************/ | |||
| 1100 | ||||
| 1101 | int | |||
| 1102 | OnlyListenToOneClient(ClientPtr client) | |||
| 1103 | { | |||
| 1104 | OsCommPtr oc = (OsCommPtr) client->osPrivate; | |||
| 1105 | int rc, connection = oc->fd; | |||
| 1106 | ||||
| 1107 | rc = XaceHook(XACE_SERVER_ACCESS9, client, DixGrabAccess(1<<17)); | |||
| 1108 | if (rc != Success0) | |||
| 1109 | return rc; | |||
| 1110 | ||||
| 1111 | if (!GrabInProgress) { | |||
| 1112 | XFD_COPYSET(&ClientsWithInput, &SavedClientsWithInput){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&SavedClientsWithInput))->fds_bits))[__i__] = ((((& ClientsWithInput))->fds_bits))[__i__]; }; | |||
| 1113 | XFD_ANDSET(&ClientsWithInput,{ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&ClientsWithInput))->fds_bits))[__i__] = ((((((&ClientsWithInput ))->fds_bits))[__i__]) & (((((&GrabImperviousClients ))->fds_bits))[__i__])); } | |||
| 1114 | &ClientsWithInput, &GrabImperviousClients){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&ClientsWithInput))->fds_bits))[__i__] = ((((((&ClientsWithInput ))->fds_bits))[__i__]) & (((((&GrabImperviousClients ))->fds_bits))[__i__])); }; | |||
| 1115 | if (FD_ISSET(connection, &SavedClientsWithInput)__darwin_fd_isset((connection), (&SavedClientsWithInput))) { | |||
| 1116 | FD_CLR(connection, &SavedClientsWithInput)do { int __fd = (connection); ((&SavedClientsWithInput)-> fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~ ((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 1117 | FD_SET(connection, &ClientsWithInput)do { int __fd = (connection); ((&ClientsWithInput)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1118 | } | |||
| 1119 | XFD_UNSET(&SavedClientsWithInput, &GrabImperviousClients){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&SavedClientsWithInput))->fds_bits))[__i__] &= ~( ((((&GrabImperviousClients))->fds_bits))[__i__]); }; | |||
| 1120 | XFD_COPYSET(&AllSockets, &SavedAllSockets){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&SavedAllSockets))->fds_bits))[__i__] = ((((&AllSockets ))->fds_bits))[__i__]; }; | |||
| 1121 | XFD_COPYSET(&AllClients, &SavedAllClients){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&SavedAllClients))->fds_bits))[__i__] = ((((&AllClients ))->fds_bits))[__i__]; }; | |||
| 1122 | XFD_UNSET(&AllSockets, &AllClients){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&AllSockets))->fds_bits))[__i__] &= ~(((((&AllClients ))->fds_bits))[__i__]); }; | |||
| 1123 | XFD_ANDSET(&AllClients, &AllClients, &GrabImperviousClients){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&AllClients))->fds_bits))[__i__] = ((((((&AllClients ))->fds_bits))[__i__]) & (((((&GrabImperviousClients ))->fds_bits))[__i__])); }; | |||
| 1124 | FD_SET(connection, &AllClients)do { int __fd = (connection); ((&AllClients)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1125 | XFD_ORSET(&AllSockets, &AllSockets, &AllClients){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&AllSockets))->fds_bits))[__i__] = ((((((&AllSockets ))->fds_bits))[__i__]) | (((((&AllClients))->fds_bits ))[__i__])); }; | |||
| 1126 | GrabInProgress = client->index; | |||
| 1127 | } | |||
| 1128 | return rc; | |||
| 1129 | } | |||
| 1130 | ||||
| 1131 | /**************** | |||
| 1132 | * ListenToAllClients: | |||
| 1133 | * Undoes OnlyListentToOneClient() | |||
| 1134 | ****************/ | |||
| 1135 | ||||
| 1136 | void | |||
| 1137 | ListenToAllClients(void) | |||
| 1138 | { | |||
| 1139 | if (GrabInProgress) { | |||
| 1140 | XFD_ORSET(&AllSockets, &AllSockets, &SavedAllSockets){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&AllSockets))->fds_bits))[__i__] = ((((((&AllSockets ))->fds_bits))[__i__]) | (((((&SavedAllSockets))->fds_bits ))[__i__])); }; | |||
| 1141 | XFD_ORSET(&AllClients, &AllClients, &SavedAllClients){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&AllClients))->fds_bits))[__i__] = ((((((&AllClients ))->fds_bits))[__i__]) | (((((&SavedAllClients))->fds_bits ))[__i__])); }; | |||
| 1142 | XFD_ORSET(&ClientsWithInput, &ClientsWithInput, &SavedClientsWithInput){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( (&ClientsWithInput))->fds_bits))[__i__] = ((((((&ClientsWithInput ))->fds_bits))[__i__]) | (((((&SavedClientsWithInput)) ->fds_bits))[__i__])); }; | |||
| 1143 | GrabInProgress = 0; | |||
| 1144 | } | |||
| 1145 | } | |||
| 1146 | ||||
| 1147 | /**************** | |||
| 1148 | * IgnoreClient | |||
| 1149 | * Removes one client from input masks. | |||
| 1150 | * Must have cooresponding call to AttendClient. | |||
| 1151 | ****************/ | |||
| 1152 | ||||
| 1153 | void | |||
| 1154 | IgnoreClient(ClientPtr client) | |||
| 1155 | { | |||
| 1156 | OsCommPtr oc = (OsCommPtr) client->osPrivate; | |||
| 1157 | int connection = oc->fd; | |||
| 1158 | ||||
| 1159 | client->ignoreCount++; | |||
| 1160 | if (client->ignoreCount > 1) | |||
| 1161 | return; | |||
| 1162 | ||||
| 1163 | isItTimeToYield = TRUE1; | |||
| 1164 | if (!GrabInProgress || FD_ISSET(connection, &AllClients)__darwin_fd_isset((connection), (&AllClients))) { | |||
| 1165 | if (FD_ISSET(connection, &ClientsWithInput)__darwin_fd_isset((connection), (&ClientsWithInput))) | |||
| 1166 | FD_SET(connection, &IgnoredClientsWithInput)do { int __fd = (connection); ((&IgnoredClientsWithInput) ->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 1167 | else | |||
| 1168 | FD_CLR(connection, &IgnoredClientsWithInput)do { int __fd = (connection); ((&IgnoredClientsWithInput) ->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 1169 | FD_CLR(connection, &ClientsWithInput)do { int __fd = (connection); ((&ClientsWithInput)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1170 | FD_CLR(connection, &AllSockets)do { int __fd = (connection); ((&AllSockets)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1171 | FD_CLR(connection, &AllClients)do { int __fd = (connection); ((&AllClients)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1172 | FD_CLR(connection, &LastSelectMask)do { int __fd = (connection); ((&LastSelectMask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1173 | } | |||
| 1174 | else { | |||
| 1175 | if (FD_ISSET(connection, &SavedClientsWithInput)__darwin_fd_isset((connection), (&SavedClientsWithInput))) | |||
| 1176 | FD_SET(connection, &IgnoredClientsWithInput)do { int __fd = (connection); ((&IgnoredClientsWithInput) ->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 1177 | else | |||
| 1178 | FD_CLR(connection, &IgnoredClientsWithInput)do { int __fd = (connection); ((&IgnoredClientsWithInput) ->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 1179 | FD_CLR(connection, &SavedClientsWithInput)do { int __fd = (connection); ((&SavedClientsWithInput)-> fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~ ((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 1180 | FD_CLR(connection, &SavedAllSockets)do { int __fd = (connection); ((&SavedAllSockets)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1181 | FD_CLR(connection, &SavedAllClients)do { int __fd = (connection); ((&SavedAllClients)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1182 | } | |||
| 1183 | } | |||
| 1184 | ||||
| 1185 | /**************** | |||
| 1186 | * AttendClient | |||
| 1187 | * Adds one client back into the input masks. | |||
| 1188 | ****************/ | |||
| 1189 | ||||
| 1190 | void | |||
| 1191 | AttendClient(ClientPtr client) | |||
| 1192 | { | |||
| 1193 | OsCommPtr oc = (OsCommPtr) client->osPrivate; | |||
| 1194 | int connection = oc->fd; | |||
| 1195 | ||||
| 1196 | client->ignoreCount--; | |||
| 1197 | if (client->ignoreCount) | |||
| 1198 | return; | |||
| 1199 | ||||
| 1200 | if (!GrabInProgress || GrabInProgress == client->index || | |||
| 1201 | FD_ISSET(connection, &GrabImperviousClients)__darwin_fd_isset((connection), (&GrabImperviousClients))) { | |||
| 1202 | FD_SET(connection, &AllClients)do { int __fd = (connection); ((&AllClients)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1203 | FD_SET(connection, &AllSockets)do { int __fd = (connection); ((&AllSockets)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1204 | FD_SET(connection, &LastSelectMask)do { int __fd = (connection); ((&LastSelectMask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1205 | if (FD_ISSET(connection, &IgnoredClientsWithInput)__darwin_fd_isset((connection), (&IgnoredClientsWithInput ))) | |||
| 1206 | FD_SET(connection, &ClientsWithInput)do { int __fd = (connection); ((&ClientsWithInput)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1207 | } | |||
| 1208 | else { | |||
| 1209 | FD_SET(connection, &SavedAllClients)do { int __fd = (connection); ((&SavedAllClients)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1210 | FD_SET(connection, &SavedAllSockets)do { int __fd = (connection); ((&SavedAllSockets)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1211 | if (FD_ISSET(connection, &IgnoredClientsWithInput)__darwin_fd_isset((connection), (&IgnoredClientsWithInput ))) | |||
| 1212 | FD_SET(connection, &SavedClientsWithInput)do { int __fd = (connection); ((&SavedClientsWithInput)-> fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1213 | } | |||
| 1214 | } | |||
| 1215 | ||||
| 1216 | /* make client impervious to grabs; assume only executing client calls this */ | |||
| 1217 | ||||
| 1218 | void | |||
| 1219 | MakeClientGrabImpervious(ClientPtr client) | |||
| 1220 | { | |||
| 1221 | OsCommPtr oc = (OsCommPtr) client->osPrivate; | |||
| 1222 | int connection = oc->fd; | |||
| 1223 | ||||
| 1224 | FD_SET(connection, &GrabImperviousClients)do { int __fd = (connection); ((&GrabImperviousClients)-> fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1225 | ||||
| 1226 | if (ServerGrabCallback) { | |||
| 1227 | ServerGrabInfoRec grabinfo; | |||
| 1228 | ||||
| 1229 | grabinfo.client = client; | |||
| 1230 | grabinfo.grabstate = CLIENT_IMPERVIOUS; | |||
| 1231 | CallCallbacks(&ServerGrabCallback, &grabinfo); | |||
| 1232 | } | |||
| 1233 | } | |||
| 1234 | ||||
| 1235 | /* make client pervious to grabs; assume only executing client calls this */ | |||
| 1236 | ||||
| 1237 | void | |||
| 1238 | MakeClientGrabPervious(ClientPtr client) | |||
| 1239 | { | |||
| 1240 | OsCommPtr oc = (OsCommPtr) client->osPrivate; | |||
| 1241 | int connection = oc->fd; | |||
| 1242 | ||||
| 1243 | FD_CLR(connection, &GrabImperviousClients)do { int __fd = (connection); ((&GrabImperviousClients)-> fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~ ((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t ) * 8))))); } while(0); | |||
| 1244 | if (GrabInProgress && (GrabInProgress != client->index)) { | |||
| 1245 | if (FD_ISSET(connection, &ClientsWithInput)__darwin_fd_isset((connection), (&ClientsWithInput))) { | |||
| 1246 | FD_SET(connection, &SavedClientsWithInput)do { int __fd = (connection); ((&SavedClientsWithInput)-> fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1247 | FD_CLR(connection, &ClientsWithInput)do { int __fd = (connection); ((&ClientsWithInput)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1248 | } | |||
| 1249 | FD_CLR(connection, &AllSockets)do { int __fd = (connection); ((&AllSockets)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1250 | FD_CLR(connection, &AllClients)do { int __fd = (connection); ((&AllClients)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); | |||
| 1251 | isItTimeToYield = TRUE1; | |||
| 1252 | } | |||
| 1253 | ||||
| 1254 | if (ServerGrabCallback) { | |||
| 1255 | ServerGrabInfoRec grabinfo; | |||
| 1256 | ||||
| 1257 | grabinfo.client = client; | |||
| 1258 | grabinfo.grabstate = CLIENT_PERVIOUS; | |||
| 1259 | CallCallbacks(&ServerGrabCallback, &grabinfo); | |||
| 1260 | } | |||
| 1261 | } | |||
| 1262 | ||||
| 1263 | /* Add a fd (from launchd or similar) to our listeners */ | |||
| 1264 | void | |||
| 1265 | ListenOnOpenFD(int fd, int noxauth) | |||
| 1266 | { | |||
| 1267 | char port[256]; | |||
| 1268 | XtransConnInfo ciptr; | |||
| 1269 | const char *display_env = getenv("DISPLAY"); | |||
| 1270 | ||||
| 1271 | if (display_env && (strncmp(display_env, "/tmp/launch", 11) == 0)) { | |||
| 1272 | /* Make the path the launchd socket if our DISPLAY is set right */ | |||
| 1273 | strcpy(port, display_env)__builtin___strcpy_chk (port, display_env, __builtin_object_size (port, 2 > 1 ? 1 : 0)); | |||
| 1274 | } | |||
| 1275 | else { | |||
| 1276 | /* Just some default so things don't break and die. */ | |||
| 1277 | snprintf(port, sizeof(port), ":%d", atoi(display))__builtin___snprintf_chk (port, sizeof(port), 0, __builtin_object_size (port, 2 > 1 ? 1 : 0), ":%d", atoi(display)); | |||
| 1278 | } | |||
| 1279 | ||||
| 1280 | /* Make our XtransConnInfo | |||
| 1281 | * TRANS_SOCKET_LOCAL_INDEX = 5 from Xtrans.c | |||
| 1282 | */ | |||
| 1283 | ciptr = _XSERVTransReopenCOTSServer(5, fd, port); | |||
| 1284 | if (ciptr == NULL((void*)0)) { | |||
| 1285 | ErrorF("Got NULL while trying to Reopen listen port.\n"); | |||
| 1286 | return; | |||
| 1287 | } | |||
| 1288 | ||||
| 1289 | if (noxauth) | |||
| 1290 | ciptr->flags = ciptr->flags | TRANS_NOXAUTH(1<<6); | |||
| 1291 | ||||
| 1292 | /* Allocate space to store it */ | |||
| 1293 | ListenTransFds = | |||
| 1294 | (int *) realloc(ListenTransFds, (ListenTransCount + 1) * sizeof(int)); | |||
| 1295 | ListenTransConns = | |||
| 1296 | (XtransConnInfo *) realloc(ListenTransConns, | |||
| 1297 | (ListenTransCount + | |||
| 1298 | 1) * sizeof(XtransConnInfo)); | |||
| 1299 | ||||
| 1300 | /* Store it */ | |||
| 1301 | ListenTransConns[ListenTransCount] = ciptr; | |||
| 1302 | ListenTransFds[ListenTransCount] = fd; | |||
| 1303 | ||||
| 1304 | FD_SET(fd, &WellKnownConnections)do { int __fd = (fd); ((&WellKnownConnections)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); | |||
| 1305 | FD_SET(fd, &AllSockets)do { int __fd = (fd); ((&AllSockets)->fds_bits[(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<< ((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0 ); | |||
| 1306 | ||||
| 1307 | /* Increment the count */ | |||
| 1308 | ListenTransCount++; | |||
| 1309 | } | |||
| 1310 | ||||
| 1311 | /* based on TRANS(SocketUNIXAccept) (XtransConnInfo ciptr, int *status) */ | |||
| 1312 | Bool | |||
| 1313 | AddClientOnOpenFD(int fd) | |||
| 1314 | { | |||
| 1315 | XtransConnInfo ciptr; | |||
| 1316 | CARD32 connect_time; | |||
| 1317 | char port[20]; | |||
| 1318 | ||||
| 1319 | snprintf(port, sizeof(port), ":%d", atoi(display))__builtin___snprintf_chk (port, sizeof(port), 0, __builtin_object_size (port, 2 > 1 ? 1 : 0), ":%d", atoi(display)); | |||
| 1320 | ciptr = _XSERVTransReopenCOTSServer(5, fd, port); | |||
| 1321 | if (ciptr == NULL((void*)0)) | |||
| 1322 | return FALSE0; | |||
| 1323 | ||||
| 1324 | _XSERVTransSetOption(ciptr, TRANS_NONBLOCKING1, 1); | |||
| 1325 | ciptr->flags |= TRANS_NOXAUTH(1<<6); | |||
| 1326 | ||||
| 1327 | connect_time = GetTimeInMillis(); | |||
| 1328 | ||||
| 1329 | if (!AllocNewConnection(ciptr, fd, connect_time)) { | |||
| 1330 | ErrorConnMax(ciptr); | |||
| 1331 | _XSERVTransClose(ciptr); | |||
| 1332 | return FALSE0; | |||
| 1333 | } | |||
| 1334 | ||||
| 1335 | return TRUE1; | |||
| 1336 | } |