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/*
* Copyright (c) 1997, 1999 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.
*/
#include "45_locl.h"
RCSID("$Id: get_ad_tkt.c,v 1.4 2001/06/18 13:11:05 assar Exp $");
/* get an additional version 4 ticket via the 524 protocol */
#ifndef NEVERDATE
#define NEVERDATE ((unsigned long)0x7fffffffL)
#endif
int
get_ad_tkt(char *service, char *sinstance, char *realm, int lifetime)
{
krb5_error_code ret;
int code;
krb5_context context;
krb5_ccache id;
krb5_creds in_creds, *out_creds;
CREDENTIALS cred;
time_t now;
char pname[ANAME_SZ], pinst[INST_SZ], prealm[REALM_SZ];
ret = krb5_init_context(&context);
if(ret)
return KFAILURE;
ret = krb5_cc_default(context, &id);
if(ret){
krb5_free_context(context);
return KFAILURE;
}
memset(&in_creds, 0, sizeof(in_creds));
now = time(NULL);
in_creds.times.endtime = krb_life_to_time(time(NULL), lifetime);
if(in_creds.times.endtime == NEVERDATE)
in_creds.times.endtime = 0;
ret = krb5_cc_get_principal(context, id, &in_creds.client);
if(ret){
krb5_cc_close(context, id);
krb5_free_context(context);
return KFAILURE;
}
ret = krb5_524_conv_principal(context, in_creds.client,
pname, pinst, prealm);
if(ret){
krb5_free_principal(context, in_creds.client);
krb5_cc_close(context, id);
krb5_free_context(context);
return KFAILURE;
}
ret = krb5_425_conv_principal(context, service, sinstance, realm,
&in_creds.server);
if(ret){
krb5_free_principal(context, in_creds.client);
krb5_cc_close(context, id);
krb5_free_context(context);
return KFAILURE;
}
ret = krb5_get_credentials(context,
0,
id,
&in_creds,
&out_creds);
krb5_free_principal(context, in_creds.client);
krb5_free_principal(context, in_creds.server);
if(ret){
krb5_cc_close(context, id);
krb5_free_context(context);
return KFAILURE;
}
ret = krb524_convert_creds_kdc_ccache(context, id, out_creds, &cred);
krb5_cc_close(context, id);
krb5_free_context(context);
krb5_free_creds(context, out_creds);
if(ret)
return KFAILURE;
code = save_credentials(cred.service, cred.instance, cred.realm,
cred.session, cred.lifetime, cred.kvno,
&cred.ticket_st, now);
if(code == NO_TKT_FIL)
code = tf_setup(&cred, pname, pinst);
memset(&cred.session, 0, sizeof(cred.session));
return code;
}
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