273 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			273 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C
		
	
	
	
| /***********************************************************
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| 
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| Copyright 1987, 1998  The Open Group
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| 
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| Permission to use, copy, modify, distribute, and sell this software and its
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| documentation for any purpose is hereby granted without fee, provided that
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| the above copyright notice appear in all copies and that both that
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| copyright notice and this permission notice appear in supporting
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| documentation.
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| 
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| The above copyright notice and this permission notice shall be included in
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| all copies or substantial portions of the Software.
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| 
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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| OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 
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| Except as contained in this notice, the name of The Open Group shall not be
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| used in advertising or otherwise to promote the sale, use or other dealings
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| in this Software without prior written authorization from The Open Group.
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| 
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| Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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| 
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|                         All Rights Reserved
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| 
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| Permission to use, copy, modify, and distribute this software and its 
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| documentation for any purpose and without fee is hereby granted, 
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| provided that the above copyright notice appear in all copies and that
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| both that copyright notice and this permission notice appear in 
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| supporting documentation, and that the name of Digital not be
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| used in advertising or publicity pertaining to distribution of the
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| software without specific, written prior permission.  
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| 
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| DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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| ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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| DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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| ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| SOFTWARE.
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| 
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| ******************************************************************/
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| 
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| #ifdef HAVE_DIX_CONFIG_H
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| #include <dix-config.h>
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| #endif
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| 
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| #ifndef _OSDEP_H_
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| #define _OSDEP_H_ 1
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| 
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| #if defined(XDMCP) || defined(HASXDMAUTH)
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| #include <X11/Xdmcp.h>
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| #endif
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| 
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| #ifdef _POSIX_SOURCE
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| #include <limits.h>
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| #else
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| #define _POSIX_SOURCE
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| #include <limits.h>
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| #undef _POSIX_SOURCE
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| #endif
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| 
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| #ifndef OPEN_MAX
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| #ifdef SVR4
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| #define OPEN_MAX 256
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| #else
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| #include <sys/param.h>
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| #ifndef OPEN_MAX
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| #if defined(NOFILE) && !defined(NOFILES_MAX)
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| #define OPEN_MAX NOFILE
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| #else
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| #if !defined(WIN32)
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| #define OPEN_MAX NOFILES_MAX
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| #else
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| #define OPEN_MAX 256
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| #endif
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| #endif
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| #endif
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| #endif
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| #endif
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| 
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| #include <X11/Xpoll.h>
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| 
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| /*
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|  * MAXSOCKS is used only for initialising MaxClients when no other method
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|  * like sysconf(_SC_OPEN_MAX) is not supported.
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|  */
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| 
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| #if OPEN_MAX <= 256
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| #define MAXSOCKS (OPEN_MAX - 1)
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| #else
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| #define MAXSOCKS 256
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| #endif
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| 
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| /* MAXSELECT is the number of fds that select() can handle */
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| #define MAXSELECT (sizeof(fd_set) * NBBY)
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| 
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| #include <stddef.h>
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| 
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| #if defined(XDMCP) || defined(HASXDMAUTH)
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| typedef Bool (*ValidatorFunc) (ARRAY8Ptr Auth, ARRAY8Ptr Data, int packet_type);
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| typedef Bool (*GeneratorFunc) (ARRAY8Ptr Auth, ARRAY8Ptr Data, int packet_type);
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| typedef Bool (*AddAuthorFunc) (unsigned name_length, const char *name,
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|                                unsigned data_length, char *data);
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| #endif
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| 
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| typedef struct _connectionInput {
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|     struct _connectionInput *next;
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|     char *buffer;               /* contains current client input */
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|     char *bufptr;               /* pointer to current start of data */
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|     int bufcnt;                 /* count of bytes in buffer */
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|     int lenLastReq;
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|     int size;
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|     unsigned int ignoreBytes;   /* bytes to ignore before the next request */
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| } ConnectionInput, *ConnectionInputPtr;
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| 
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| typedef struct _connectionOutput {
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|     struct _connectionOutput *next;
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|     int size;
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|     unsigned char *buf;
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|     int count;
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| } ConnectionOutput, *ConnectionOutputPtr;
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| 
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| struct _osComm;
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| 
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| #define AuthInitArgs void
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| typedef void (*AuthInitFunc) (AuthInitArgs);
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| 
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| #define AuthAddCArgs unsigned short data_length, const char *data, XID id
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| typedef int (*AuthAddCFunc) (AuthAddCArgs);
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| 
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| #define AuthCheckArgs unsigned short data_length, const char *data, ClientPtr client, const char **reason
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| typedef XID (*AuthCheckFunc) (AuthCheckArgs);
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| 
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| #define AuthFromIDArgs XID id, unsigned short *data_lenp, char **datap
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| typedef int (*AuthFromIDFunc) (AuthFromIDArgs);
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| 
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| #define AuthGenCArgs unsigned data_length, const char *data, XID id, unsigned *data_length_return, char **data_return
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| typedef XID (*AuthGenCFunc) (AuthGenCArgs);
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| 
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| #define AuthRemCArgs unsigned short data_length, const char *data
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| typedef int (*AuthRemCFunc) (AuthRemCArgs);
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| 
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| #define AuthRstCArgs void
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| typedef int (*AuthRstCFunc) (AuthRstCArgs);
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| 
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| #define AuthToIDArgs unsigned short data_length, char *data
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| typedef XID (*AuthToIDFunc) (AuthToIDArgs);
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| 
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| typedef void (*OsCloseFunc) (ClientPtr);
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| 
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| typedef int (*OsFlushFunc) (ClientPtr who, struct _osComm * oc, char *extraBuf,
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|                             int extraCount);
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| 
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| typedef struct _osComm {
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|     int fd;
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|     ConnectionInputPtr input;
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|     ConnectionOutputPtr output;
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|     XID auth_id;                /* authorization id */
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|     CARD32 conn_time;           /* timestamp if not established, else 0  */
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|     struct _XtransConnInfo *trans_conn; /* transport connection object */
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|     Bool local_client;
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| } OsCommRec, *OsCommPtr;
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| 
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| extern int FlushClient(ClientPtr /*who */ ,
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|                        OsCommPtr /*oc */ ,
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|                        const void * /*extraBuf */ ,
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|                        int      /*extraCount */
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|     );
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| 
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| extern void FreeOsBuffers(OsCommPtr     /*oc */
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|     );
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| 
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| #include "dix.h"
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| 
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| extern fd_set AllSockets;
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| extern fd_set AllClients;
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| extern fd_set LastSelectMask;
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| extern fd_set WellKnownConnections;
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| extern fd_set EnabledDevices;
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| extern fd_set ClientsWithInput;
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| extern fd_set ClientsWriteBlocked;
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| extern fd_set OutputPending;
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| extern fd_set IgnoredClientsWithInput;
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| 
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| #ifndef WIN32
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| extern int *ConnectionTranslation;
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| #else
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| extern int GetConnectionTranslation(int conn);
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| extern void SetConnectionTranslation(int conn, int client);
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| extern void ClearConnectionTranslation(void);
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| #endif
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| 
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| extern Bool NewOutputPending;
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| extern Bool AnyClientsWriteBlocked;
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| 
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| extern WorkQueuePtr workQueue;
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| 
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| /* in WaitFor.c */
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| #ifdef WIN32
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| typedef long int fd_mask;
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| #endif
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| #define ffs mffs
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| extern int mffs(fd_mask);
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| 
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| /* in access.c */
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| extern Bool ComputeLocalClient(ClientPtr client);
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| 
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| /* in auth.c */
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| extern void GenerateRandomData(int len, char *buf);
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| 
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| /* in mitauth.c */
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| extern XID MitCheckCookie(AuthCheckArgs);
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| extern XID MitGenerateCookie(AuthGenCArgs);
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| extern XID MitToID(AuthToIDArgs);
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| extern int MitAddCookie(AuthAddCArgs);
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| extern int MitFromID(AuthFromIDArgs);
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| extern int MitRemoveCookie(AuthRemCArgs);
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| extern int MitResetCookie(AuthRstCArgs);
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| 
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| /* in xdmauth.c */
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| #ifdef HASXDMAUTH
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| extern XID XdmCheckCookie(AuthCheckArgs);
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| extern XID XdmToID(AuthToIDArgs);
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| extern int XdmAddCookie(AuthAddCArgs);
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| extern int XdmFromID(AuthFromIDArgs);
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| extern int XdmRemoveCookie(AuthRemCArgs);
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| extern int XdmResetCookie(AuthRstCArgs);
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| #endif
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| 
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| /* in rpcauth.c */
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| #ifdef SECURE_RPC
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| extern void SecureRPCInit(AuthInitArgs);
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| extern XID SecureRPCCheck(AuthCheckArgs);
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| extern XID SecureRPCToID(AuthToIDArgs);
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| extern int SecureRPCAdd(AuthAddCArgs);
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| extern int SecureRPCFromID(AuthFromIDArgs);
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| extern int SecureRPCRemove(AuthRemCArgs);
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| extern int SecureRPCReset(AuthRstCArgs);
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| #endif
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| 
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| #ifdef XDMCP
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| /* in xdmcp.c */
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| extern void XdmcpUseMsg(void);
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| extern int XdmcpOptions(int argc, char **argv, int i);
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| extern void XdmcpRegisterConnection(int type, const char *address, int addrlen);
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| extern void XdmcpRegisterAuthorizations(void);
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| extern void XdmcpRegisterAuthorization(const char *name, int namelen);
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| extern void XdmcpInit(void);
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| extern void XdmcpReset(void);
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| extern void XdmcpOpenDisplay(int sock);
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| extern void XdmcpCloseDisplay(int sock);
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| extern void XdmcpRegisterAuthentication(const char *name,
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|                                         int namelen,
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|                                         const char *data,
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|                                         int datalen,
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|                                         ValidatorFunc Validator,
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|                                         GeneratorFunc Generator,
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|                                         AddAuthorFunc AddAuth);
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| 
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| struct sockaddr_in;
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| extern void XdmcpRegisterBroadcastAddress(const struct sockaddr_in *addr);
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| #endif
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| 
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| #ifdef HASXDMAUTH
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| extern void XdmAuthenticationInit(const char *cookie, int cookie_length);
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| #endif
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| 
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| #endif                          /* _OSDEP_H_ */
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