| 1 | /***********************************************************
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| 2 |
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| 3 | Copyright 1987, 1998 The Open Group
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| 4 |
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| 5 | Permission to use, copy, modify, distribute, and sell this software and its
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| 6 | documentation for any purpose is hereby granted without fee, provided that
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| 7 | the above copyright notice appear in all copies and that both that
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| 8 | copyright notice and this permission notice appear in supporting
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| 9 | documentation.
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| 10 |
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| 11 | The above copyright notice and this permission notice shall be included in
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| 12 | all copies or substantial portions of the Software.
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| 13 |
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| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 20 |
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| 21 | Except as contained in this notice, the name of The Open Group shall not be
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| 22 | used in advertising or otherwise to promote the sale, use or other dealings
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| 23 | in this Software without prior written authorization from The Open Group.
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| 24 |
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| 25 |
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| 26 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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| 27 |
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| 28 | All Rights Reserved
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| 29 |
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| 30 | Permission to use, copy, modify, and distribute this software and its
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| 31 | documentation for any purpose and without fee is hereby granted,
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| 32 | provided that the above copyright notice appear in all copies and that
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| 33 | both that copyright notice and this permission notice appear in
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| 34 | supporting documentation, and that the name of Digital not be
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| 35 | used in advertising or publicity pertaining to distribution of the
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| 36 | software without specific, written prior permission.
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| 37 |
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| 38 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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| 39 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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| 40 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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| 41 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| 42 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| 43 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| 44 | SOFTWARE.
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| 45 |
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| 46 | ******************************************************************/
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| 47 |
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| 48 | #ifdef HAVE_DIX_CONFIG_H
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| 49 | #include <dix-config.h>
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| 50 | #endif
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| 51 |
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| 52 | #ifndef _OSDEP_H_
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| 53 | #define _OSDEP_H_ 1
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| 54 |
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| 55 | #define BOTIMEOUT 200 /* in milliseconds */
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| 56 | #define BUFSIZE 4096
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| 57 | #define BUFWATERMARK 8192
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| 58 |
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| 59 | #include <X11/Xdmcp.h>
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| 60 |
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| 61 | #ifdef _POSIX_SOURCE
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| 62 | #include <limits.h>
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| 63 | #else
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| 64 | #define _POSIX_SOURCE
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| 65 | #include <limits.h>
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| 66 | #undef _POSIX_SOURCE
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| 67 | #endif
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| 68 |
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| 69 | #ifndef OPEN_MAX
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| 70 | #ifdef SVR4
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| 71 | #define OPEN_MAX 256
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| 72 | #else
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| 73 | #include <sys/param.h>
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| 74 | #ifndef OPEN_MAX
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| 75 | #if defined(NOFILE) && !defined(NOFILES_MAX)
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| 76 | #define OPEN_MAX NOFILE
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| 77 | #else
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| 78 | #if !defined(WIN32)
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| 79 | #define OPEN_MAX NOFILES_MAX
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| 80 | #else
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| 81 | #define OPEN_MAX 256
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| 82 | #endif
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| 83 | #endif
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| 84 | #endif
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| 85 | #endif
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| 86 | #endif
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| 87 |
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| 88 | #include <X11/Xpoll.h>
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| 89 |
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| 90 | /*
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| 91 | * MAXSOCKS is used only for initialising MaxClients when no other method
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| 92 | * like sysconf(_SC_OPEN_MAX) is not supported.
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| 93 | */
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| 94 |
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| 95 | #if OPEN_MAX <= 256
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| 96 | #define MAXSOCKS (OPEN_MAX - 1)
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| 97 | #else
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| 98 | #define MAXSOCKS 256
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| 99 | #endif
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| 100 |
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| 101 | /* MAXSELECT is the number of fds that select() can handle */
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| 102 | #define MAXSELECT (sizeof(fd_set) * NBBY)
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| 103 |
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| 104 | #ifndef HAS_GETDTABLESIZE
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| 105 | #if !defined(SVR4) && !defined(SYSV)
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| 106 | #define HAS_GETDTABLESIZE
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| 107 | #endif
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| 108 | #endif
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| 109 |
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| 110 | #include <stddef.h>
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| 111 |
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| 112 | typedef Bool (*ValidatorFunc)(ARRAY8Ptr Auth, ARRAY8Ptr Data, int packet_type);
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| 113 | typedef Bool (*GeneratorFunc)(ARRAY8Ptr Auth, ARRAY8Ptr Data, int packet_type);
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| 114 | typedef Bool (*AddAuthorFunc)(unsigned name_length, char *name, unsigned data_length, char *data);
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| 115 |
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| 116 | typedef struct _connectionInput {
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| 117 | struct _connectionInput *next;
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| 118 | char *buffer; /* contains current client input */
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| 119 | char *bufptr; /* pointer to current start of data */
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| 120 | int bufcnt; /* count of bytes in buffer */
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| 121 | int lenLastReq;
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| 122 | int size;
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| 123 | } ConnectionInput, *ConnectionInputPtr;
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| 124 |
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| 125 | typedef struct _connectionOutput {
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| 126 | struct _connectionOutput *next;
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| 127 | int size;
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| 128 | unsigned char *buf;
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| 129 | int count;
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| 130 | } ConnectionOutput, *ConnectionOutputPtr;
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| 131 |
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| 132 | struct _osComm;
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| 133 |
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| 134 | #define AuthInitArgs void
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| 135 | typedef void (*AuthInitFunc) (AuthInitArgs);
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| 136 |
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| 137 | #define AuthAddCArgs unsigned short data_length, char *data, XID id
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| 138 | typedef int (*AuthAddCFunc) (AuthAddCArgs);
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| 139 |
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| 140 | #define AuthCheckArgs unsigned short data_length, char *data, ClientPtr client, char **reason
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| 141 | typedef XID (*AuthCheckFunc) (AuthCheckArgs);
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| 142 |
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| 143 | #define AuthFromIDArgs XID id, unsigned short *data_lenp, char **datap
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| 144 | typedef int (*AuthFromIDFunc) (AuthFromIDArgs);
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| 145 |
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| 146 | #define AuthGenCArgs unsigned data_length, char *data, XID id, unsigned *data_length_return, char **data_return
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| 147 | typedef XID (*AuthGenCFunc) (AuthGenCArgs);
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| 148 |
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| 149 | #define AuthRemCArgs unsigned short data_length, char *data
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| 150 | typedef int (*AuthRemCFunc) (AuthRemCArgs);
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| 151 |
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| 152 | #define AuthRstCArgs void
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| 153 | typedef int (*AuthRstCFunc) (AuthRstCArgs);
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| 154 |
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| 155 | #define AuthToIDArgs unsigned short data_length, char *data
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| 156 | typedef XID (*AuthToIDFunc) (AuthToIDArgs);
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| 157 |
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| 158 | typedef void (*OsCloseFunc)(ClientPtr);
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| 159 |
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| 160 | typedef int (*OsFlushFunc)(ClientPtr who, struct _osComm * oc, char* extraBuf, int extraCount);
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| 161 |
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| 162 | typedef struct _osComm {
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| 163 | int fd;
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| 164 | ConnectionInputPtr input;
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| 165 | ConnectionOutputPtr output;
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| 166 | XID auth_id; /* authorization id */
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| 167 | CARD32 conn_time; /* timestamp if not established, else 0 */
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| 168 | struct _XtransConnInfo *trans_conn; /* transport connection object */
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| 169 | } OsCommRec, *OsCommPtr;
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| 170 |
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| 171 | extern int FlushClient(
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| 172 | ClientPtr /*who*/,
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| 173 | OsCommPtr /*oc*/,
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| 174 | const void * /*extraBuf*/,
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| 175 | int /*extraCount*/
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| 176 | );
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| 177 |
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| 178 | extern void FreeOsBuffers(
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| 179 | OsCommPtr /*oc*/
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| 180 | );
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| 181 |
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| 182 | #include "dix.h"
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| 183 |
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| 184 | extern fd_set AllSockets;
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| 185 | extern fd_set AllClients;
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| 186 | extern fd_set LastSelectMask;
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| 187 | extern fd_set WellKnownConnections;
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| 188 | extern fd_set EnabledDevices;
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| 189 | extern fd_set ClientsWithInput;
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| 190 | extern fd_set ClientsWriteBlocked;
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| 191 | extern fd_set OutputPending;
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| 192 | extern fd_set IgnoredClientsWithInput;
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| 193 |
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| 194 | #ifndef WIN32
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| 195 | extern int *ConnectionTranslation;
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| 196 | #else
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| 197 | extern int GetConnectionTranslation(int conn);
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| 198 | extern void SetConnectionTranslation(int conn, int client);
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| 199 | extern void ClearConnectionTranslation();
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| 200 | #endif
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| 201 |
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| 202 | extern Bool NewOutputPending;
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| 203 | extern Bool AnyClientsWriteBlocked;
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| 204 |
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| 205 | extern WorkQueuePtr workQueue;
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| 206 |
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| 207 | /* added by raphael */
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| 208 | #ifdef WIN32
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| 209 | typedef long int fd_mask;
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| 210 | #endif
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| 211 | #define ffs mffs
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| 212 | extern int mffs(fd_mask);
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| 213 |
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| 214 | /* in auth.c */
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| 215 | extern void GenerateRandomData (int len, char *buf);
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| 216 |
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| 217 | /* in mitauth.c */
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| 218 | extern XID MitCheckCookie (AuthCheckArgs);
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| 219 | extern XID MitGenerateCookie (AuthGenCArgs);
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| 220 | extern XID MitToID (AuthToIDArgs);
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| 221 | extern int MitAddCookie (AuthAddCArgs);
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| 222 | extern int MitFromID (AuthFromIDArgs);
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| 223 | extern int MitRemoveCookie (AuthRemCArgs);
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| 224 | extern int MitResetCookie (AuthRstCArgs);
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| 225 |
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| 226 | /* in xdmauth.c */
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| 227 | #ifdef HASXDMAUTH
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| 228 | extern XID XdmCheckCookie (AuthCheckArgs);
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| 229 | extern XID XdmToID (AuthToIDArgs);
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| 230 | extern int XdmAddCookie (AuthAddCArgs);
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| 231 | extern int XdmFromID (AuthFromIDArgs);
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| 232 | extern int XdmRemoveCookie (AuthRemCArgs);
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| 233 | extern int XdmResetCookie (AuthRstCArgs);
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| 234 | #endif
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| 235 |
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| 236 | /* in rpcauth.c */
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| 237 | #ifdef SECURE_RPC
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| 238 | extern void SecureRPCInit (AuthInitArgs);
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| 239 | extern XID SecureRPCCheck (AuthCheckArgs);
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| 240 | extern XID SecureRPCToID (AuthToIDArgs);
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| 241 | extern int SecureRPCAdd (AuthAddCArgs);
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| 242 | extern int SecureRPCFromID (AuthFromIDArgs);
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| 243 | extern int SecureRPCRemove (AuthRemCArgs);
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| 244 | extern int SecureRPCReset (AuthRstCArgs);
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| 245 | #endif
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| 246 |
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| 247 | /* in xdmcp.c */
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| 248 | extern void XdmcpUseMsg (void);
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| 249 | extern int XdmcpOptions(int argc, char **argv, int i);
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| 250 | extern void XdmcpRegisterConnection (
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| 251 | int type,
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| 252 | char *address,
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| 253 | int addrlen);
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| 254 | extern void XdmcpRegisterAuthorizations (void);
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| 255 | extern void XdmcpRegisterAuthorization (char *name, int namelen);
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| 256 | extern void XdmcpInit (void);
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| 257 | extern void XdmcpReset (void);
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| 258 | extern void XdmcpOpenDisplay(int sock);
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| 259 | extern void XdmcpCloseDisplay(int sock);
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| 260 | extern void XdmcpRegisterAuthentication (
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| 261 | char *name,
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| 262 | int namelen,
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| 263 | char *data,
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| 264 | int datalen,
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| 265 | ValidatorFunc Validator,
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| 266 | GeneratorFunc Generator,
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| 267 | AddAuthorFunc AddAuth);
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| 268 |
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| 269 | struct sockaddr_in;
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| 270 | extern void XdmcpRegisterBroadcastAddress (struct sockaddr_in *addr);
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| 271 |
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| 272 | #ifdef HASXDMAUTH
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| 273 | extern void XdmAuthenticationInit (char *cookie, int cookie_length);
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| 274 | #endif
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| 275 |
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| 276 | #endif /* _OSDEP_H_ */
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