1 /***********************************************************
3 Copyright 1987, 1998 The Open Group
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
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
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.
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.
26 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
30 Permission to use, copy, modify, and distribute this software and its
31 documentation for any purpose and without fee is hereby granted,
32 provided that the above copyright notice appear in all copies and that
33 both that copyright notice and this permission notice appear in
34 supporting documentation, and that the name of Digital not be
35 used in advertising or publicity pertaining to distribution of the
36 software without specific, written prior permission.
38 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
39 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
40 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
41 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
42 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
43 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
46 ******************************************************************/
55 #define SCREEN_SAVER_ON 0
56 #define SCREEN_SAVER_OFF 1
57 #define SCREEN_SAVER_FORCER 2
58 #define SCREEN_SAVER_CYCLE 3
60 #ifndef MAX_REQUEST_SIZE
61 #define MAX_REQUEST_SIZE 65535
63 #ifndef MAX_BIG_REQUEST_SIZE
64 #define MAX_BIG_REQUEST_SIZE 4194303
67 typedef struct _FontPathRec *FontPathPtr;
68 typedef struct _NewClientRec *NewClientPtr;
71 #define xnfalloc(size) XNFalloc((unsigned long)(size))
72 #define xnfcalloc(_num, _size) XNFcalloc((unsigned long)(_num)*(unsigned long)(_size))
73 #define xnfrealloc(ptr, size) XNFrealloc((pointer)(ptr), (unsigned long)(size))
75 #define xalloc(size) Xalloc((unsigned long)(size))
76 #define xcalloc(_num, _size) Xcalloc((unsigned long)(_num)*(unsigned long)(_size))
77 #define xrealloc(ptr, size) Xrealloc((pointer)(ptr), (unsigned long)(size))
78 #define xfree(ptr) Xfree((pointer)(ptr))
79 #define xstrdup(s) Xstrdup(s)
80 #define xnfstrdup(s) XNFstrdup(s)
87 extern void ddxBeforeReset (void);
91 extern _X_EXPORT void (*OsVendorVErrorFProc)(const char *, va_list args);
94 extern _X_EXPORT int WaitForSomething(
95 int* /*pClientsReady*/
98 extern _X_EXPORT int ReadRequestFromClient(ClientPtr /*client*/);
100 extern _X_EXPORT Bool InsertFakeRequest(
101 ClientPtr /*client*/,
105 extern _X_EXPORT void ResetCurrentRequest(ClientPtr /*client*/);
107 extern _X_EXPORT void FlushAllOutput(void);
109 extern _X_EXPORT void FlushIfCriticalOutputPending(void);
111 extern _X_EXPORT void SetCriticalOutputPending(void);
113 extern _X_EXPORT int WriteToClient(ClientPtr /*who*/, int /*count*/, const void* /*buf*/);
115 extern _X_EXPORT void ResetOsBuffers(void);
117 extern _X_EXPORT void InitConnectionLimits(void);
119 extern _X_EXPORT void NotifyParentProcess(void);
121 extern _X_EXPORT void CreateWellKnownSockets(void);
123 extern _X_EXPORT void ResetWellKnownSockets(void);
125 extern _X_EXPORT void CloseWellKnownConnections(void);
127 extern _X_EXPORT XID AuthorizationIDOfClient(ClientPtr /*client*/);
129 extern _X_EXPORT char *ClientAuthorized(
130 ClientPtr /*client*/,
131 unsigned int /*proto_n*/,
132 char* /*auth_proto*/,
133 unsigned int /*string_n*/,
134 char* /*auth_string*/);
136 extern _X_EXPORT Bool EstablishNewConnections(
137 ClientPtr /*clientUnused*/,
138 pointer /*closure*/);
140 extern _X_EXPORT void CheckConnections(void);
142 extern _X_EXPORT void CloseDownConnection(ClientPtr /*client*/);
144 extern _X_EXPORT void AddGeneralSocket(int /*fd*/);
146 extern _X_EXPORT void RemoveGeneralSocket(int /*fd*/);
148 extern _X_EXPORT void AddEnabledDevice(int /*fd*/);
150 extern _X_EXPORT void RemoveEnabledDevice(int /*fd*/);
152 extern _X_EXPORT int OnlyListenToOneClient(ClientPtr /*client*/);
154 extern _X_EXPORT void ListenToAllClients(void);
156 extern _X_EXPORT void IgnoreClient(ClientPtr /*client*/);
158 extern _X_EXPORT void AttendClient(ClientPtr /*client*/);
160 extern _X_EXPORT void MakeClientGrabImpervious(ClientPtr /*client*/);
162 extern _X_EXPORT void MakeClientGrabPervious(ClientPtr /*client*/);
165 extern void ListenOnOpenFD(int /* fd */, int /* noxauth */);
168 extern _X_EXPORT CARD32 GetTimeInMillis(void);
170 extern _X_EXPORT void AdjustWaitForDelay(
171 pointer /*waitTime*/,
172 unsigned long /*newdelay*/);
174 typedef struct _OsTimerRec *OsTimerPtr;
176 typedef CARD32 (*OsTimerCallback)(
177 OsTimerPtr /* timer */,
181 extern _X_EXPORT void TimerInit(void);
183 extern _X_EXPORT Bool TimerForce(OsTimerPtr /* timer */);
185 #define TimerAbsolute (1<<0)
186 #define TimerForceOld (1<<1)
188 extern _X_EXPORT OsTimerPtr TimerSet(
189 OsTimerPtr /* timer */,
192 OsTimerCallback /* func */,
195 extern _X_EXPORT void TimerCheck(void);
196 extern _X_EXPORT void TimerCancel(OsTimerPtr /* pTimer */);
197 extern _X_EXPORT void TimerFree(OsTimerPtr /* pTimer */);
199 extern _X_EXPORT void SetScreenSaverTimer(void);
200 extern _X_EXPORT void FreeScreenSaverTimer(void);
202 extern _X_EXPORT void AutoResetServer(int /*sig*/);
204 extern _X_EXPORT void GiveUp(int /*sig*/);
206 extern _X_EXPORT void UseMsg(void);
208 extern _X_EXPORT void ProcessCommandLine(int /*argc*/, char* /*argv*/[]);
210 extern _X_EXPORT int set_font_authorizations(
211 char ** /* authorizations */,
213 pointer /* client */);
215 #ifndef _HAVE_XALLOC_DECLS
216 #define _HAVE_XALLOC_DECLS
219 * Use malloc(3) instead.
221 extern _X_EXPORT void *Xalloc(unsigned long /*amount*/) _X_DEPRECATED;
223 * Use calloc(3) instead
225 extern _X_EXPORT void *Xcalloc(unsigned long /*amount*/) _X_DEPRECATED;
227 * Use realloc(3) instead
229 extern _X_EXPORT void *Xrealloc(void * /*ptr*/, unsigned long /*amount*/)
232 * Use free(3) instead
234 extern _X_EXPORT void Xfree(void * /*ptr*/) _X_DEPRECATED;
239 * This function malloc(3)s buffer, terminating the server if there is not
242 extern _X_EXPORT void *XNFalloc(unsigned long /*amount*/);
244 * This function calloc(3)s buffer, terminating the server if there is not
247 extern _X_EXPORT void *XNFcalloc(unsigned long /*amount*/);
249 * This function realloc(3)s passed buffer, terminating the server if there is
252 extern _X_EXPORT void *XNFrealloc(void * /*ptr*/, unsigned long /*amount*/);
255 * This function strdup(3)s passed string. The only difference from the library
256 * function that it is safe to pass NULL, as NULL will be returned.
258 extern _X_EXPORT char *Xstrdup(const char *s);
261 * This function strdup(3)s passed string, terminating the server if there is
262 * not enough memory. If NULL is passed to this function, NULL is returned.
264 extern _X_EXPORT char *XNFstrdup(const char *s);
266 extern _X_EXPORT char *Xprintf(const char *fmt, ...) _X_ATTRIBUTE_PRINTF(1,2);
267 extern _X_EXPORT char *Xvprintf(const char *fmt, va_list va);
268 extern _X_EXPORT char *XNFprintf(const char *fmt, ...) _X_ATTRIBUTE_PRINTF(1,2);
269 extern _X_EXPORT char *XNFvprintf(const char *fmt, va_list va);
271 typedef void (*OsSigHandlerPtr)(int /* sig */);
272 typedef int (*OsSigWrapperPtr)(int /* sig */);
274 extern _X_EXPORT OsSigHandlerPtr OsSignal(int /* sig */, OsSigHandlerPtr /* handler */);
275 extern _X_EXPORT OsSigWrapperPtr OsRegisterSigWrapper(OsSigWrapperPtr newWrap);
277 extern _X_EXPORT int auditTrailLevel;
279 extern _X_EXPORT void LockServer(void);
280 extern _X_EXPORT void UnlockServer(void);
282 extern _X_EXPORT int OsLookupColor(
286 unsigned short * /*pred*/,
287 unsigned short * /*pgreen*/,
288 unsigned short * /*pblue*/);
290 extern _X_EXPORT void OsInit(void);
292 extern _X_EXPORT void OsCleanup(Bool);
294 extern _X_EXPORT void OsVendorFatalError(void);
296 extern _X_EXPORT void OsVendorInit(void);
298 extern _X_EXPORT void OsBlockSignals (void);
300 extern _X_EXPORT void OsReleaseSignals (void);
302 extern _X_EXPORT void OsAbort (void) _X_NORETURN;
305 extern _X_EXPORT int System(char *);
306 extern _X_EXPORT pointer Popen(char *, char *);
307 extern _X_EXPORT int Pclose(pointer);
308 extern _X_EXPORT pointer Fopen(char *, char *);
309 extern _X_EXPORT int Fclose(pointer);
311 #define System(a) system(a)
312 #define Popen(a,b) popen(a,b)
313 #define Pclose(a) pclose(a)
314 #define Fopen(a,b) fopen(a,b)
315 #define Fclose(a) fclose(a)
318 extern _X_EXPORT void CheckUserParameters(int argc, char **argv, char **envp);
319 extern _X_EXPORT void CheckUserAuthorization(void);
321 extern _X_EXPORT int AddHost(
322 ClientPtr /*client*/,
325 const void */*pAddr*/);
327 extern _X_EXPORT Bool ForEachHostInFamily (
330 unsigned char * /* addr */,
332 pointer /* closure */),
333 pointer /*closure*/);
335 extern _X_EXPORT int RemoveHost(
336 ClientPtr /*client*/,
341 extern _X_EXPORT int GetHosts(
345 BOOL * /*pEnabled*/);
347 typedef struct sockaddr * sockaddrPtr;
349 extern _X_EXPORT int InvalidHost(sockaddrPtr /*saddr*/, int /*len*/, ClientPtr client);
351 extern _X_EXPORT int LocalClient(ClientPtr /* client */);
353 extern _X_EXPORT int LocalClientCred(ClientPtr, int *, int *);
355 #define LCC_UID_SET (1 << 0)
356 #define LCC_GID_SET (1 << 1)
357 #define LCC_PID_SET (1 << 2)
358 #define LCC_ZID_SET (1 << 3)
361 int fieldsSet; /* Bit mask of fields set */
362 int euid; /* Effective uid */
363 int egid; /* Primary effective group id */
364 int nSuppGids; /* Number of supplementary group ids */
365 int *pSuppGids; /* Array of supplementary group ids */
366 int pid; /* Process id */
367 int zoneid; /* Only set on Solaris 10 & later */
368 } LocalClientCredRec;
370 extern _X_EXPORT int GetLocalClientCreds(ClientPtr, LocalClientCredRec **);
371 extern _X_EXPORT void FreeLocalClientCreds(LocalClientCredRec *);
373 extern _X_EXPORT int ChangeAccessControl(ClientPtr /*client*/, int /*fEnabled*/);
375 extern _X_EXPORT int GetAccessControl(void);
378 extern _X_EXPORT void AddLocalHosts(void);
380 extern _X_EXPORT void ResetHosts(char *display);
382 extern _X_EXPORT void EnableLocalHost(void);
384 extern _X_EXPORT void DisableLocalHost(void);
386 extern _X_EXPORT void AccessUsingXdmcp(void);
388 extern _X_EXPORT void DefineSelf(int /*fd*/);
391 extern _X_EXPORT void AugmentSelf(pointer /*from*/, int /*len*/);
393 extern _X_EXPORT void RegisterAuthorizations(void);
396 extern _X_EXPORT void InitAuthorization(char * /*filename*/);
398 /* extern int LoadAuthorization(void); */
400 extern _X_EXPORT int AuthorizationFromID (
402 unsigned short *name_lenp,
404 unsigned short *data_lenp,
407 extern _X_EXPORT XID CheckAuthorization(
408 unsigned int /*namelength*/,
409 const char * /*name*/,
410 unsigned int /*datalength*/,
411 const char * /*data*/,
412 ClientPtr /*client*/,
416 extern _X_EXPORT void ResetAuthorization(void);
418 extern _X_EXPORT int RemoveAuthorization (
419 unsigned short name_length,
421 unsigned short data_length,
424 extern _X_EXPORT int AddAuthorization(
425 unsigned int /*name_length*/,
426 const char * /*name*/,
427 unsigned int /*data_length*/,
431 extern _X_EXPORT XID GenerateAuthorization(
432 unsigned int /* name_length */,
433 const char * /* name */,
434 unsigned int /* data_length */,
435 const char * /* data */,
436 unsigned int * /* data_length_return */,
437 char ** /* data_return */);
440 extern _X_EXPORT int ddxProcessArgument(int /*argc*/, char * /*argv*/ [], int /*i*/);
442 extern _X_EXPORT void ddxUseMsg(void);
444 /* int ReqLen(xReq *req, ClientPtr client)
445 * Given a pointer to a *complete* request, return its length in bytes.
446 * Note that if the request is a big request (as defined in the Big
447 * Requests extension), the macro lies by returning 4 less than the
448 * length that it actually occupies in the request buffer. This is so you
449 * can blindly compare the length with the various sz_<request> constants
450 * in Xproto.h without having to know/care about big requests.
452 #define ReqLen(_pxReq, _client) \
454 (_client->swapped ? lswaps(_pxReq->length) : _pxReq->length) \
455 : ((_client->swapped ? \
456 lswapl(((CARD32*)_pxReq)[1]) : ((CARD32*)_pxReq)[1])-1) \
459 /* otherReqTypePtr CastxReq(xReq *req, otherReqTypePtr)
460 * Cast the given request to one of type otherReqTypePtr to access
461 * fields beyond the length field.
463 #define CastxReq(_pxReq, otherReqTypePtr) \
464 (_pxReq->length ? (otherReqTypePtr)_pxReq \
465 : (otherReqTypePtr)(((CARD32*)_pxReq)+1))
467 /* stuff for ReplyCallback */
468 extern _X_EXPORT CallbackListPtr ReplyCallback;
471 const void *replyData;
472 unsigned long dataLenBytes;
473 unsigned long bytesRemaining;
477 /* stuff for FlushCallback */
478 extern _X_EXPORT CallbackListPtr FlushCallback;
480 extern _X_EXPORT void AbortDDX(void);
481 extern _X_EXPORT void ddxGiveUp(void);
482 extern _X_EXPORT int TimeSinceLastInputEvent(void);
486 #define strcasecmp xstrcasecmp
487 extern _X_EXPORT int xstrcasecmp(const char *s1, const char *s2);
491 #define strncasecmp xstrncasecmp
492 extern _X_EXPORT int xstrncasecmp(const char *s1, const char *s2, size_t n);
496 #define strcasestr xstrcasestr
497 extern _X_EXPORT char *xstrcasestr(const char *s, const char *find);
501 extern _X_EXPORT size_t strlcpy(char *dst, const char *src, size_t siz);
502 extern _X_EXPORT size_t strlcat(char *dst, const char *src, size_t siz);
506 typedef enum _LogParameter {
513 /* Flags for log messages. */
515 X_PROBED, /* Value was probed */
516 X_CONFIG, /* Value was given in the config file */
517 X_DEFAULT, /* Value is a default */
518 X_CMDLINE, /* Value was given on the command line */
519 X_NOTICE, /* Notice */
520 X_ERROR, /* Error message */
521 X_WARNING, /* Warning message */
522 X_INFO, /* Informational message */
523 X_NONE, /* No prefix */
524 X_NOT_IMPLEMENTED, /* Not implemented */
525 X_UNKNOWN = -1 /* unknown -- this must always be last */
528 extern _X_EXPORT const char *LogInit(const char *fname, const char *backup);
529 extern _X_EXPORT void LogClose(void);
530 extern _X_EXPORT Bool LogSetParameter(LogParameter param, int value);
531 extern _X_EXPORT void LogVWrite(int verb, const char *f, va_list args);
532 extern _X_EXPORT void LogWrite(int verb, const char *f, ...) _X_ATTRIBUTE_PRINTF(2,3);
533 extern _X_EXPORT void LogVMessageVerb(MessageType type, int verb, const char *format,
535 extern _X_EXPORT void LogMessageVerb(MessageType type, int verb, const char *format,
536 ...) _X_ATTRIBUTE_PRINTF(3,4);
537 extern _X_EXPORT void LogMessage(MessageType type, const char *format, ...)
538 _X_ATTRIBUTE_PRINTF(2,3);
539 extern _X_EXPORT void FreeAuditTimer(void);
540 extern _X_EXPORT void AuditF(const char *f, ...) _X_ATTRIBUTE_PRINTF(1,2);
541 extern _X_EXPORT void VAuditF(const char *f, va_list args);
542 extern _X_EXPORT void FatalError(const char *f, ...) _X_ATTRIBUTE_PRINTF(1,2) _X_NORETURN;
545 #define DebugF ErrorF
547 #define DebugF(...) /* */
550 extern _X_EXPORT void VErrorF(const char *f, va_list args);
551 extern _X_EXPORT void ErrorF(const char *f, ...) _X_ATTRIBUTE_PRINTF(1,2);
552 extern _X_EXPORT void Error(char *str);
553 extern _X_EXPORT void LogPrintMarkers(void);
555 extern _X_EXPORT void xorg_backtrace(void);