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-.\" Copyright (c) 2003 Kungliga Tekniska Högskolan
-.\" (Royal Institute of Technology, Stockholm, Sweden).
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" 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
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\" $Id: krb5_aname_to_localname.3,v 1.2 2003/04/16 13:58:13 lha Exp $
-.\"
-.Dd March 17, 2003
-.Dt KRB5_ANAME_TO_LOCALNAME 3
-.Os HEIMDAL
-.Sh NAME
-.Nm krb5_aname_to_localname
-.Nd converts a principal to a system local name.
-.Sh LIBRARY
-Kerberos 5 Library (libkrb5, -lkrb5)
-.Sh SYNOPSIS
-.In krb5.h
-.Ft krb5_boolean
-.Fo krb5_aname_to_localname
-.Fa "krb5_context context"
-.Fa "krb5_const_principal name"
-.Fa "size_t lnsize"
-.Fa "char *lname"
-.Fc
-.Sh DESCRIPTION
-This function takes a principal
-.Fa name ,
-verifies its in the local realm (using
-.Fn krb5_get_default_realms )
-and then returns the local name of the principal.
-.Pp
-If
-.Fa name
-isn't in one of the local realms and error is returned.
-.Pp
-If size
-.Fa ( lnsize )
-of the local name
-.Fa ( lname )
-is to small, an error is returned.
-.Pp
-.Fn krb5_aname_to_localname
-should only be use by application that implements protocols that
-doesn't transport the login name and thus needs to convert a principal
-to a local name.
-.Pp
-Protocols should be designed so that the it autheticates using
-Kerberos, send over the login name and then verifies in the principal
-that authenticated is allowed to login and the login name.
-A way to check if a user is allowed to login is using the function
-.Fn krb5_kuserok .
-.Sh SEE ALSO
-.Xr krb5_get_default_realms 3 ,
-.Xr krb5_kuserok 3