155682Smarkm/* 255682Smarkm * Copyright (c) 1997, 1999 Kungliga Tekniska H�gskolan 355682Smarkm * (Royal Institute of Technology, Stockholm, Sweden). 455682Smarkm * All rights reserved. 555682Smarkm * 655682Smarkm * Redistribution and use in source and binary forms, with or without 755682Smarkm * modification, are permitted provided that the following conditions 855682Smarkm * are met: 955682Smarkm * 1055682Smarkm * 1. Redistributions of source code must retain the above copyright 1155682Smarkm * notice, this list of conditions and the following disclaimer. 1255682Smarkm * 1355682Smarkm * 2. Redistributions in binary form must reproduce the above copyright 1455682Smarkm * notice, this list of conditions and the following disclaimer in the 1555682Smarkm * documentation and/or other materials provided with the distribution. 1655682Smarkm * 1755682Smarkm * 3. Neither the name of the Institute nor the names of its contributors 1855682Smarkm * may be used to endorse or promote products derived from this software 1955682Smarkm * without specific prior written permission. 2055682Smarkm * 2155682Smarkm * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 2255682Smarkm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2355682Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2455682Smarkm * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 2555682Smarkm * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2655682Smarkm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2755682Smarkm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2855682Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2955682Smarkm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3055682Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3155682Smarkm * SUCH DAMAGE. 3255682Smarkm */ 3355682Smarkm 3455682Smarkm#include "45_locl.h" 3555682Smarkm 36178825SdfrRCSID("$Id: get_ad_tkt.c 10113 2001-06-18 13:11:33Z assar $"); 3755682Smarkm 3855682Smarkm/* get an additional version 4 ticket via the 524 protocol */ 3955682Smarkm 4055682Smarkm#ifndef NEVERDATE 4155682Smarkm#define NEVERDATE ((unsigned long)0x7fffffffL) 4255682Smarkm#endif 4355682Smarkm 4455682Smarkmint 4555682Smarkmget_ad_tkt(char *service, char *sinstance, char *realm, int lifetime) 4655682Smarkm{ 4755682Smarkm krb5_error_code ret; 4855682Smarkm int code; 4955682Smarkm krb5_context context; 5055682Smarkm krb5_ccache id; 5155682Smarkm krb5_creds in_creds, *out_creds; 5255682Smarkm CREDENTIALS cred; 5355682Smarkm time_t now; 5455682Smarkm char pname[ANAME_SZ], pinst[INST_SZ], prealm[REALM_SZ]; 5555682Smarkm 5655682Smarkm ret = krb5_init_context(&context); 5755682Smarkm if(ret) 5855682Smarkm return KFAILURE; 5955682Smarkm ret = krb5_cc_default(context, &id); 6055682Smarkm if(ret){ 6155682Smarkm krb5_free_context(context); 6255682Smarkm return KFAILURE; 6355682Smarkm } 6455682Smarkm memset(&in_creds, 0, sizeof(in_creds)); 6555682Smarkm now = time(NULL); 6655682Smarkm in_creds.times.endtime = krb_life_to_time(time(NULL), lifetime); 6755682Smarkm if(in_creds.times.endtime == NEVERDATE) 6855682Smarkm in_creds.times.endtime = 0; 6955682Smarkm ret = krb5_cc_get_principal(context, id, &in_creds.client); 7055682Smarkm if(ret){ 7155682Smarkm krb5_cc_close(context, id); 7255682Smarkm krb5_free_context(context); 7355682Smarkm return KFAILURE; 7455682Smarkm } 7555682Smarkm ret = krb5_524_conv_principal(context, in_creds.client, 7655682Smarkm pname, pinst, prealm); 7755682Smarkm if(ret){ 7855682Smarkm krb5_free_principal(context, in_creds.client); 7955682Smarkm krb5_cc_close(context, id); 8055682Smarkm krb5_free_context(context); 8155682Smarkm return KFAILURE; 8255682Smarkm } 8355682Smarkm ret = krb5_425_conv_principal(context, service, sinstance, realm, 8455682Smarkm &in_creds.server); 8555682Smarkm if(ret){ 8655682Smarkm krb5_free_principal(context, in_creds.client); 8755682Smarkm krb5_cc_close(context, id); 8855682Smarkm krb5_free_context(context); 8955682Smarkm return KFAILURE; 9055682Smarkm } 9155682Smarkm ret = krb5_get_credentials(context, 9255682Smarkm 0, 9355682Smarkm id, 9455682Smarkm &in_creds, 9555682Smarkm &out_creds); 9655682Smarkm krb5_free_principal(context, in_creds.client); 9755682Smarkm krb5_free_principal(context, in_creds.server); 9855682Smarkm if(ret){ 9955682Smarkm krb5_cc_close(context, id); 10055682Smarkm krb5_free_context(context); 10155682Smarkm return KFAILURE; 10255682Smarkm } 10390926Snectar ret = krb524_convert_creds_kdc_ccache(context, id, out_creds, &cred); 10455682Smarkm krb5_cc_close(context, id); 10555682Smarkm krb5_free_context(context); 10655682Smarkm krb5_free_creds(context, out_creds); 10755682Smarkm if(ret) 10855682Smarkm return KFAILURE; 10955682Smarkm code = save_credentials(cred.service, cred.instance, cred.realm, 11055682Smarkm cred.session, cred.lifetime, cred.kvno, 11155682Smarkm &cred.ticket_st, now); 11255682Smarkm if(code == NO_TKT_FIL) 11355682Smarkm code = tf_setup(&cred, pname, pinst); 11455682Smarkm memset(&cred.session, 0, sizeof(cred.session)); 11555682Smarkm return code; 11655682Smarkm} 117