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 | } |