1.\" Copyright (c) 2004, 2006 Kungliga Tekniska Högskolan 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.\" $Id$ 33.\" 34.Dd May 1, 2006 35.Dt KRB5_CHECK_TRANSITED 3 36.Os HEIMDAL 37.Sh NAME 38.Nm krb5_check_transited , 39.Nm krb5_check_transited_realms , 40.Nm krb5_domain_x500_decode , 41.Nm krb5_domain_x500_encode 42.Nd realm transit verification and encoding/decoding functions 43.Sh LIBRARY 44Kerberos 5 Library (libkrb5, -lkrb5) 45.Sh SYNOPSIS 46.In krb5.h 47.Ft krb5_error_code 48.Fo krb5_check_transited 49.Fa "krb5_context context" 50.Fa "krb5_const_realm client_realm" 51.Fa "krb5_const_realm server_realm" 52.Fa "krb5_realm *realms" 53.Fa "int num_realms" 54.Fa "int *bad_realm" 55.Fc 56.Ft krb5_error_code 57.Fo krb5_check_transited_realms 58.Fa "krb5_context context" 59.Fa "const char *const *realms" 60.Fa "int num_realms" 61.Fa "int *bad_realm" 62.Fc 63.Ft krb5_error_code 64.Fo krb5_domain_x500_decode 65.Fa "krb5_context context" 66.Fa "krb5_data tr" 67.Fa "char ***realms" 68.Fa "int *num_realms" 69.Fa "const char *client_realm" 70.Fa "const char *server_realm" 71.Fc 72.Ft krb5_error_code 73.Fo krb5_domain_x500_encode 74.Fa "char **realms" 75.Fa "int num_realms" 76.Fa "krb5_data *encoding" 77.Fc 78.Sh DESCRIPTION 79.Fn krb5_check_transited 80checks the path from 81.Fa client_realm 82to 83.Fa server_realm 84where 85.Fa realms 86and 87.Fa num_realms 88is the realms between them. 89If the function returns an error value, 90.Fa bad_realm 91will be set to the realm in the list causing the error. 92.Fn krb5_check_transited 93is used internally by the KDC and libkrb5 and should not be called by 94client applications. 95.Pp 96.Fn krb5_check_transited_realms 97is deprecated. 98.Pp 99.Fn krb5_domain_x500_encode 100and 101.Fn krb5_domain_x500_decode 102encodes and decodes the realm names in the X500 format that Kerberos 103uses to describe the transited realms in krbtgts. 104.Sh SEE ALSO 105.Xr krb5 3 , 106.Xr krb5.conf 5 107