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