1.\" Copyright (c) 2004 Kungliga Tekniska H�gskolan 2.\" (Royal Institute of Technology, Stockholm, Sweden). 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" 3. Neither the name of the Institute nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" $Id: krb524_convert_creds_kdc.3 15239 2005-05-25 13:19:16Z lha $ 33.\" 34.Dd March 20, 2004 35.Dt KRB524_CONVERT_CREDS_KDC 3 36.Os HEIMDAL 37.Sh NAME 38.Nm krb524_convert_creds_kdc , 39.Nm krb524_convert_creds_kdc_ccache 40.Nd converts Kerberos 5 credentials to Kerberos 4 credentials 41.Sh LIBRARY 42Kerberos 5 Library (libkrb5, -lkrb5) 43.Sh SYNOPSIS 44.In krb5.h 45.Ft krb5_error_code 46.Fo krb524_convert_creds_kdc 47.Fa "krb5_context context" 48.Fa "krb5_creds *in_cred" 49.Fa "struct credentials *v4creds" 50.Fc 51.Ft krb5_error_code 52.Fo krb524_convert_creds_kdc_ccache 53.Fa "krb5_context context" 54.Fa "krb5_ccache ccache" 55.Fa "krb5_creds *in_cred" 56.Fa "struct credentials *v4creds" 57.Fc 58.Sh DESCRIPTION 59Convert the Kerberos 5 credential to Kerberos 4 credential. 60This is done by sending them to the 524 service in the KDC. 61.Pp 62.Fn krb524_convert_creds_kdc 63converts the Kerberos 5 credential in 64.Fa in_cred 65to Kerberos 4 credential that is stored in 66.Fa credentials . 67.Pp 68.Fn krb524_convert_creds_kdc_ccache 69is diffrent from 70.Fn krb524_convert_creds_kdc 71in that way that if 72.Fa in_cred 73doesn't contain a DES session key, then a new one is fetched from the 74KDC and stored in the cred cache 75.Fa ccache , 76and then the KDC is queried to convert the credential. 77.Pp 78This interfaces are used to make the migration to Kerberos 5 from 79Kerberos 4 easier. 80There are few services that still need Kerberos 4, and this is mainly 81for compatibility for those services. 82Some services, like AFS, really have Kerberos 5 supports, but still 83uses the 524 interface to make the migration easier. 84.Sh SEE ALSO 85.Xr krb5 3 , 86.Xr krb5.conf 5 87