xref: /minix3/crypto/external/bsd/heimdal/dist/lib/kadm5/randkey_c.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)

/*	$NetBSD: randkey_c.c,v 1.1.1.2 2014/04/24 12:45:49 pettai Exp $	*/

/*
 * 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 "kadm5_locl.h"

__RCSID("NetBSD");

kadm5_ret_t
kadm5_c_randkey_principal(void *server_handle,
			  krb5_principal princ,
			  krb5_keyblock **new_keys,
			  int *n_keys)
{
    kadm5_client_context *context = server_handle;
    kadm5_ret_t ret;
    krb5_storage *sp;
    unsigned char buf[1024];
    int32_t tmp;
    krb5_data reply;

    ret = _kadm5_connect(server_handle);
    if(ret)
	return ret;

    sp = krb5_storage_from_mem(buf, sizeof(buf));
    if (sp == NULL) {
	krb5_clear_error_message(context->context);
	return ENOMEM;
    }
    krb5_store_int32(sp, kadm_randkey);
    krb5_store_principal(sp, princ);
    ret = _kadm5_client_send(context, sp);
    krb5_storage_free(sp);
    if (ret)
	return ret;
    ret = _kadm5_client_recv(context, &reply);
    if(ret)
	return ret;
    sp = krb5_storage_from_data(&reply);
    if (sp == NULL) {
	krb5_clear_error_message(context->context);
	krb5_data_free (&reply);
	return ENOMEM;
    }
    krb5_clear_error_message(context->context);
    krb5_ret_int32(sp, &tmp);
    ret = tmp;
    if(ret == 0){
	krb5_keyblock *k;
	int i;

	krb5_ret_int32(sp, &tmp);
	k = malloc(tmp * sizeof(*k));
	if (k == NULL) {
	    ret = ENOMEM;
	    goto out;
	}
	for(i = 0; i < tmp; i++)
	    krb5_ret_keyblock(sp, &k[i]);
	*n_keys = tmp;
	*new_keys = k;
    }
out:
    krb5_storage_free(sp);
    krb5_data_free (&reply);
    return ret;
}