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/*
 * 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("$Id$");

krb5_error_code KRB5_LIB_FUNCTION
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  = rk_UNCONST(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_LIB_FUNCTION
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.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);
}