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freebsd/lib/librpcsec_gss/rpc_gss_max_data_length.3
2014-12-29 21:59:44 +00:00

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.\" Copyright (c) 2008 Isilon Inc http://www.isilon.com/
.\" Authors: Doug Rabson <dfr@rabson.org>
.\" Developed with Red Inc: Alfred Perlstein <alfred@FreeBSD.org>
.\"
.\" Redistribution and use in source and binary forms, with or without
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" $FreeBSD$
.Dd January 26, 2010
.Dt RPC_GSS_MAX_DATA_LENGTH 3
.Os
.Sh NAME
.Nm rpc_gss_max_data_length
.Nd "calculate maximum data size"
.Sh LIBRARY
.Lb librpcsec_gss
.Sh SYNOPSIS
.In rpc/rpcsec_gss.h
.Ft int
.Fn rpc_gss_max_data_length "AUTH *auth" "int max_tp_unit_len"
.Sh DESCRIPTION
Calculate the maximum message size that will fit into a packet of size
.Fa max_tp_unit_len ,
given the current service and QoP setting.
.Sh PARAMETERS
.Bl -tag -width ".It max_tp_unit_len"
.It auth
A handle to a RPCSEC_GSS security context
.It max_tp_unit_len
Maximum packet size of the underlying transport protocol
.El
.Sh RETURN VALUES
The maximum message size that can be encoded
.Sh SEE ALSO
.Xr gssapi 3 ,
.Xr rpc 3 ,
.Xr rpcset_gss 3
.Sh HISTORY
The
.Nm
function first appeared in
.Fx 8.0 .
.Sh AUTHORS
This
manual page was written by
.An Doug Rabson Aq Mt dfr@FreeBSD.org .