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It almost "shadows" the ending .El request of a list, which seems to have caused mdoc buglets in some gss_*.3 manpages. MFC after: 3 days
210 lines
6.5 KiB
Groff
210 lines
6.5 KiB
Groff
.\" -*- nroff -*-
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.\"
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.\" Copyright (c) 2005 Doug Rabson
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.\" The following commands are required for all man pages.
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.Dd October 30, 2007
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.Os
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.Dt GSS_DISPLAY_STATUS 3 PRM
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.Sh NAME
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.Nm gss_display_status
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.Nd Convert a GSS-API status code to text
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.\" This next command is for sections 2 and 3 only.
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.\" .Sh LIBRARY
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.Sh SYNOPSIS
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.In "gssapi/gssapi.h"
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.Ft OM_uint32
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.Fo gss_display_status
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.Fa "OM_uint32 *minor_status"
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.Fa "OM_uint32 status_value"
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.Fa "int status_type"
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.Fa "const gss_OID mech_type"
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.Fa "OM_uint32 *message_context"
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.Fa "gss_buffer_t status_string"
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.Fc
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.Sh DESCRIPTION
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Allows an application to obtain a textual representation of a GSS-API
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status code,
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for display to the user or for logging purposes.
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Since some status values may indicate multiple conditions,
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applications may need to call
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.Fn gss_display_status
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multiple times,
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each call generating a single text string.
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The
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.Fa message_context
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parameter is used by
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.Fn gss_display_status
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to store state information about which error messages have already
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been extracted from a given
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.Fa status_value ;
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.Fa message_context
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must be initialized to zero by the application prior to the first call,
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and
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.Fn gss_display_status
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will return a non-zero value in this parameter if there are further
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messages to extract.
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.Pp
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The
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.Fa message_context
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parameter contains all state information required by
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.Fn gss_display_status
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in order to extract further messages from the
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.Fa status_value ;
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even when a non-zero value is returned in this parameter,
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the application is not required to call
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.Fn gss_display_status
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again unless subsequent messages are desired.
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The following code extracts all messages from a given status code and prints them to stderr:
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.Bd -literal
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OM_uint32 message_context;
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OM_uint32 status_code;
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OM_uint32 maj_status;
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OM_uint32 min_status;
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gss_buffer_desc status_string;
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...
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message_context = 0;
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do {
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maj_status = gss_display_status (
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&min_status,
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status_code,
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GSS_C_GSS_CODE,
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GSS_C_NO_OID,
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&message_context,
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&status_string)
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fprintf(stderr,
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"%.*s\\n",
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(int)status_string.length,
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(char *)status_string.value);
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gss_release_buffer(&min_status, &status_string);
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} while (message_context != 0);
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.Ed
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.Sh PARAMETERS
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.Bl -tag
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.It minor_status
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Mechanism specific status code.
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.It status_value
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Status value to be converted
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.It status_type
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.Bl -tag
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.It GSS_C_GSS_CODE
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.Fa status_value
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is a GSS status code
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.It GSS_C_MECH_CODE
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.Fa status_value
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is a mechanism status code
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.El
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.It mech_type
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Underlying mechanism (used to interpret a minor status value).
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Supply
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.Dv GSS_C_NO_OID
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to obtain the system default.
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.It message_context
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Should be initialized to zero by the application prior to the first
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call.
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On return from
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.Fn gss_display_status ,
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a non-zero status_value parameter indicates that additional messages
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may be extracted from the status code via subsequent calls to
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.Fn gss_display_status ,
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passing the same
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.Fa status_value ,
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.Fa status_type ,
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.Fa mech_type ,
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and
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.Fa message_context
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parameters.
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.It status_string
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Textual interpretation of the
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.Fa status_value .
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Storage associated with this parameter must be freed by the
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application after use with a call to
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.Fn gss_release_buffer .
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.El
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.Sh RETURN VALUES
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.Bl -tag
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.It GSS_S_COMPLETE
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Successful completion
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.It GSS_S_BAD_MECH
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Indicates that translation in accordance with an unsupported mechanism
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type was requested
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.It GSS_S_BAD_STATUS
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The status value was not recognized, or the status type was neither
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.Dv GSS_C_GSS_CODE
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nor
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.Dv GSS_C_MECH_CODE .
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.El
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.Sh SEE ALSO
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.Xr gss_release_buffer 3
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.Sh STANDARDS
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.Bl -tag
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.It RFC 2743
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Generic Security Service Application Program Interface Version 2, Update 1
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.It RFC 2744
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Generic Security Service API Version 2 : C-bindings
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.El
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.Sh HISTORY
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The
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.Nm
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manual page example first appeared in
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.Fx 7.0 .
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.Sh AUTHORS
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John Wray, Iris Associates
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.Sh COPYRIGHT
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Copyright (C) The Internet Society (2000). All Rights Reserved.
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.Pp
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This document and translations of it may be copied and furnished to
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others, and derivative works that comment on or otherwise explain it
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or assist in its implementation may be prepared, copied, published
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and distributed, in whole or in part, without restriction of any
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kind, provided that the above copyright notice and this paragraph are
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included on all such copies and derivative works. However, this
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document itself may not be modified in any way, such as by removing
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the copyright notice or references to the Internet Society or other
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Internet organizations, except as needed for the purpose of
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developing Internet standards in which case the procedures for
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copyrights defined in the Internet Standards process must be
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followed, or as required to translate it into languages other than
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English.
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.Pp
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The limited permissions granted above are perpetual and will not be
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revoked by the Internet Society or its successors or assigns.
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.Pp
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This document and the information contained herein is provided on an
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"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
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TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
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BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
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HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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