117 lines
3.9 KiB
C
117 lines
3.9 KiB
C
/*
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* Copyright (c) 1997, 1999 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "45_locl.h"
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RCSID("$Id: get_ad_tkt.c 10113 2001-06-18 13:11:33Z assar $");
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/* get an additional version 4 ticket via the 524 protocol */
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#ifndef NEVERDATE
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#define NEVERDATE ((unsigned long)0x7fffffffL)
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#endif
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int
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get_ad_tkt(char *service, char *sinstance, char *realm, int lifetime)
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{
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krb5_error_code ret;
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int code;
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krb5_context context;
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krb5_ccache id;
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krb5_creds in_creds, *out_creds;
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CREDENTIALS cred;
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time_t now;
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char pname[ANAME_SZ], pinst[INST_SZ], prealm[REALM_SZ];
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ret = krb5_init_context(&context);
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if(ret)
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return KFAILURE;
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ret = krb5_cc_default(context, &id);
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if(ret){
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krb5_free_context(context);
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return KFAILURE;
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}
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memset(&in_creds, 0, sizeof(in_creds));
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now = time(NULL);
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in_creds.times.endtime = krb_life_to_time(time(NULL), lifetime);
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if(in_creds.times.endtime == NEVERDATE)
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in_creds.times.endtime = 0;
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ret = krb5_cc_get_principal(context, id, &in_creds.client);
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if(ret){
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krb5_cc_close(context, id);
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krb5_free_context(context);
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return KFAILURE;
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}
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ret = krb5_524_conv_principal(context, in_creds.client,
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pname, pinst, prealm);
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if(ret){
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krb5_free_principal(context, in_creds.client);
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krb5_cc_close(context, id);
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krb5_free_context(context);
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return KFAILURE;
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}
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ret = krb5_425_conv_principal(context, service, sinstance, realm,
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&in_creds.server);
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if(ret){
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krb5_free_principal(context, in_creds.client);
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krb5_cc_close(context, id);
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krb5_free_context(context);
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return KFAILURE;
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}
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ret = krb5_get_credentials(context,
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0,
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id,
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&in_creds,
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&out_creds);
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krb5_free_principal(context, in_creds.client);
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krb5_free_principal(context, in_creds.server);
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if(ret){
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krb5_cc_close(context, id);
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krb5_free_context(context);
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return KFAILURE;
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}
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ret = krb524_convert_creds_kdc_ccache(context, id, out_creds, &cred);
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krb5_cc_close(context, id);
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krb5_free_context(context);
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krb5_free_creds(context, out_creds);
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if(ret)
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return KFAILURE;
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code = save_credentials(cred.service, cred.instance, cred.realm,
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cred.session, cred.lifetime, cred.kvno,
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&cred.ticket_st, now);
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if(code == NO_TKT_FIL)
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code = tf_setup(&cred, pname, pinst);
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memset(&cred.session, 0, sizeof(cred.session));
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return code;
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}
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