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.\" Copyright (c) 2004 - 2006 Kungliga Tekniska Högskolan
.\" (Royal Institute of Technology, Stockholm, Sweden).
.\" All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
.\" are met:
.\"
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\"
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" 3. Neither the name of the Institute nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" SUCH DAMAGE.
.\"
.\" $Id: krb5_expand_hostname.3 17461 2006-05-05 13:13:18Z lha $
.\"
.Dd May 5, 2006
.Dt KRB5_EXPAND_HOSTNAME 3
.Os HEIMDAL
.Sh NAME
.Nm krb5_expand_hostname ,
.Nm krb5_expand_hostname_realms
.Nd Kerberos 5 host name canonicalization functions
.Sh LIBRARY
Kerberos 5 Library (libkrb5, -lkrb5)
.Sh SYNOPSIS
.In krb5.h
.Pp
.Ft krb5_error_code
.Fo krb5_expand_hostname
.Fa "krb5_context context"
.Fa "const char *orig_hostname"
.Fa "char **new_hostname"
.Fc
.Ft krb5_error_code
.Fo krb5_expand_hostname_realms
.Fa "krb5_context context"
.Fa "const char *orig_hostname"
.Fa "char **new_hostname"
.Fa "char ***realms"
.Fc
.Sh DESCRIPTION
.Fn krb5_expand_hostname
tries to make
.Fa orig_hostname
into a more canonical one in the newly allocated space returned in
.Fa new_hostname .
Caller must free the hostname with
.Xr free 3 .
.Pp
.Fn krb5_expand_hostname_realms
expands
.Fa orig_hostname
to a name we believe to be a hostname in newly
allocated space in
.Fa new_hostname
and return the realms
.Fa new_hostname
is belive to belong to in
.Fa realms .
.Fa Realms
is a array terminated with
.Dv NULL .
Caller must free the
.Fa realms
with
.Fn krb5_free_host_realm
and
.Fa new_hostname
with
.Xr free 3 .
.Sh SEE ALSO
.Xr krb5 3 ,
.Xr krb5_free_host_realm 3 ,
.Xr krb5_get_host_realm 3 ,
.Xr kerberos 8
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