361 lines
9.6 KiB
Groff
361 lines
9.6 KiB
Groff
.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
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.\" Copyright \(co 2004 Sun Microsystems, Inc.
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.\"
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.\" All rights reserved.
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining a
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.\" copy of this software and associated documentation files (the
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.\" "Software"), to deal in the Software without restriction, including
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.\" the Software and that both the above copyright notice(s) and this
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.\" permission notice appear in supporting documentation.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
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.\" HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
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.\" Except as contained in this notice, the name of a copyright holder
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.\" shall not be used in advertising or otherwise to promote the sale, use
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.\" or other dealings in this Software without prior written authorization
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.\" of the copyright holder.
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.\"
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.\" X Window System is a trademark of The Open Group.
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.\"
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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
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.\" Digital Equipment Corporation
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.\"
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.\" Portions Copyright \(co 1990, 1991 by
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.\" Tektronix, Inc.
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.\"
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.\" Permission to use, copy, modify and distribute this documentation for
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.\" any purpose and without fee is hereby granted, provided that the above
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.\" copyright notice appears in all copies and that both that copyright notice
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.\" and this permission notice appear in all copies, and that the names of
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.\" Digital and Tektronix not be used in in advertising or publicity pertaining
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.\" to this documentation without specific, written prior permission.
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.\" Digital and Tektronix makes no representations about the suitability
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.\" of this documentation for any purpose.
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.\" It is provided ``as is'' without express or implied warranty.
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.\"
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.\" $XFree86: xc/doc/man/X11/XAddHost.man,v 1.3 2003/04/28 22:17:54 herrb Exp $
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.\" $XdotOrg: lib/X11/man/XAddHost.man,v 1.2 2004-04-23 18:42:09 eich Exp $
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.\"
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.ds xT X Toolkit Intrinsics \- C Language Interface
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.ds xW Athena X Widgets \- C Language X Toolkit Interface
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.ds xL Xlib \- C Language X Interface
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.ds xC Inter-Client Communication Conventions Manual
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.na
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.de Ds
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.nf
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.\\$1D \\$2 \\$1
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..
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.ny0
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.TH XAddHost __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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XAddHost, XAddHosts, XListHosts, XRemoveHost, XRemoveHosts, XSetAccessControl, XEnableAccessControl, XDisableAccessControl, XHostAddress, XServerInterpretedAddress \- control host access and host control structure
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.SH SYNTAX
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.HP
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int XAddHost\^(\^Display *\fIdisplay\fP, XHostAddress *\fIhost\fP\^);
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.HP
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int XAddHosts\^(\^Display *\fIdisplay\fP, XHostAddress *\fIhosts\fP,
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int \fInum_hosts\fP\^);
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.HP
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XHostAddress *XListHosts\^(\^Display *\fIdisplay\fP, int *\fInhosts_return\fP,
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Bool \fIstate_return\fP\^);
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.HP
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int XRemoveHost\^(\^Display *\fIdisplay\fP, XHostAddress *\fIhost\fP\^);
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.HP
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int XRemoveHosts\^(\^Display *\fIdisplay\fP, XHostAddress *\fIhosts\fP, int \fInum_hosts\fP\^);
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.HP
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int XSetAccessControl\^(\^Display *\fIdisplay\fP, int \fImode\fP\^);
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.HP
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int XEnableAccessControl\^(\^Display *\fIdisplay\fP\^);
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.HP
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int XDisableAccessControl\^(\^Display *\fIdisplay\fP\^);
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.SH ARGUMENTS
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.IP \fIdisplay\fP 1i
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Specifies the connection to the X server.
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.ds Ho added or removed
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.IP \fIhost\fP 1i
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Specifies the host that is to be \*(Ho.
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.ds Ho added or removed
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.IP \fIhosts\fP 1i
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Specifies each host that is to be \*(Ho.
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.IP \fImode\fP 1i
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Specifies the mode.
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You can pass
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.ZN EnableAccess
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or
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.ZN DisableAccess .
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.IP \fInhosts_return\fP 1i
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Returns the number of hosts currently in the access control list.
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.IP \fInum_hosts\fP 1i
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Specifies the number of hosts.
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.IP \fIstate_return\fP 1i
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Returns the state of the access control.
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.SH DESCRIPTION
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The
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.ZN XAddHost
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function adds the specified host to the access control list for that display.
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The server must be on the same host as the client issuing the command, or a
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.ZN BadAccess
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error results.
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.LP
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.ZN XAddHost
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can generate
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.ZN BadAccess
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and
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.ZN BadValue
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errors.
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.LP
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The
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.ZN XAddHosts
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function adds each specified host to the access control list for that display.
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The server must be on the same host as the client issuing the command, or a
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.ZN BadAccess
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error results.
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.LP
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.ZN XAddHosts
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can generate
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.ZN BadAccess
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and
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.ZN BadValue
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errors.
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.LP
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The
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.ZN XListHosts
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function returns the current access control list as well as whether the use
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of the list at connection setup was enabled or disabled.
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.ZN XListHosts
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allows a program to find out what machines can make connections.
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It also returns a pointer to a list of host structures that
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were allocated by the function.
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When no longer needed,
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this memory should be freed by calling
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.ZN XFree .
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.LP
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The
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.ZN XRemoveHost
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function removes the specified host from the access control list
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for that display.
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The server must be on the same host as the client process, or a
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.ZN BadAccess
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error results.
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If you remove your machine from the access list,
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you can no longer connect to that server,
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and this operation cannot be reversed unless you reset the server.
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.LP
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.ZN XRemoveHost
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can generate
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.ZN BadAccess
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and
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.ZN BadValue
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errors.
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.LP
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The
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.ZN XRemoveHosts
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function removes each specified host from the access control list for that
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display.
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The X server must be on the same host as the client process, or a
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.ZN BadAccess
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error results.
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If you remove your machine from the access list,
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you can no longer connect to that server,
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and this operation cannot be reversed unless you reset the server.
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.LP
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.ZN XRemoveHosts
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can generate
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.ZN BadAccess
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and
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.ZN BadValue
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errors.
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.LP
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The
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.ZN XSetAccessControl
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function either enables or disables the use of the access control list
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at each connection setup.
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.LP
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.ZN XSetAccessControl
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can generate
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.ZN BadAccess
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and
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.ZN BadValue
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errors.
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.LP
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The
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.ZN XEnableAccessControl
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function enables the use of the access control list at each connection setup.
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.LP
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.ZN XEnableAccessControl
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can generate a
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.ZN BadAccess
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error.
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.LP
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The
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.ZN XDisableAccessControl
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function disables the use of the access control list at each connection setup.
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.LP
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.ZN XDisableAccessControl
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can generate a
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.ZN BadAccess
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error.
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.SH STRUCTURES
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The
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.ZN XHostAddress
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structure contains:
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.LP
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.Ds 0
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.TA .5i 3i
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.ta .5i 3i
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typedef struct {
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int family; /\(** for example FamilyInternet */
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int length; /\(** length of address, in bytes */
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char *address; /\(** pointer to where to find the address */
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} XHostAddress;
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.De
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.LP
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The family member specifies which protocol address family to use
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(for example, TCP/IP or DECnet) and can be
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.ZN FamilyInternet ,
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.ZN FamilyInternet6 ,
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.ZN FamilyServerInterpreted ,
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.ZN FamilyDECnet ,
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or
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.ZN FamilyChaos .
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The length member specifies the length of the address in bytes.
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The address member specifies a pointer to the address.
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.LP
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For the ServerInterpreted family, the length is ignored and the address
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member is a pointer to a
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.ZN XServerInterpretedAddress
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structure which contains:
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.LP
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.Ds 0
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.TA .5i 3i
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.ta .5i 3i
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typedef struct {
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int typelength; /\(** length of type string, in bytes */
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int valuelength; /\(** length of value string, in bytes */
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char *type; /\(** pointer to where to find the type string */
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char *value; /\(** pointer to where to find the address */
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} XServerInterpretedAddress;
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.De
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.LP
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The type and value members point to strings representing the type and value of
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the server interpreted entry. These strings may not be NULL-terminated so care
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should be used when accessing them. The typelength and valuelength members
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specify the length in byte of the type and value strings.
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.SH DIAGNOSTICS
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.TP 1i
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.ZN BadAccess
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A client attempted
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to modify the access control list from other than the local
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(or otherwise authorized) host.
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.TP 1i
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.ZN BadValue
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Some numeric value falls outside the range of values accepted by the request.
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Unless a specific range is specified for an argument, the full range defined
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by the argument's type is accepted. Any argument defined as a set of
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alternatives can generate this error.
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.SH "SEE ALSO"
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XFree(3X11)
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.br
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\fI\*(xL\fP
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