freebsd-dev/crypto/heimdal/lib/krb5/get_in_tkt_with_keytab.c
2001-06-21 02:12:07 +00:00

106 lines
3.3 KiB
C

/*
* Copyright (c) 1997 - 2001 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 "krb5_locl.h"
RCSID("$Id: get_in_tkt_with_keytab.c,v 1.6 2001/05/14 06:14:48 assar Exp $");
krb5_error_code
krb5_keytab_key_proc (krb5_context context,
krb5_enctype enctype,
krb5_salt salt,
krb5_const_pointer keyseed,
krb5_keyblock **key)
{
krb5_keytab_key_proc_args *args = (krb5_keytab_key_proc_args *)keyseed;
krb5_keytab keytab = args->keytab;
krb5_principal principal = args->principal;
krb5_error_code ret;
krb5_keytab real_keytab;
krb5_keytab_entry entry;
if(keytab == NULL)
krb5_kt_default(context, &real_keytab);
else
real_keytab = keytab;
ret = krb5_kt_get_entry (context, real_keytab, principal,
0, enctype, &entry);
if (keytab == NULL)
krb5_kt_close (context, real_keytab);
if (ret)
return ret;
ret = krb5_copy_keyblock (context, &entry.keyblock, key);
krb5_kt_free_entry(context, &entry);
return ret;
}
krb5_error_code
krb5_get_in_tkt_with_keytab (krb5_context context,
krb5_flags options,
krb5_addresses *addrs,
const krb5_enctype *etypes,
const krb5_preauthtype *pre_auth_types,
krb5_keytab keytab,
krb5_ccache ccache,
krb5_creds *creds,
krb5_kdc_rep *ret_as_reply)
{
krb5_keytab_key_proc_args *a;
a = malloc(sizeof(*a));
if (a == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
return ENOMEM;
}
a->principal = creds->client;
a->keytab = keytab;
return krb5_get_in_tkt (context,
options,
addrs,
etypes,
pre_auth_types,
krb5_keytab_key_proc,
a,
NULL,
NULL,
creds,
ccache,
ret_as_reply);
}