/*
 * Copyright (c) 1997-2007 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Portions Copyright (c) 2009 Apple Inc. 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 "kdc_locl.h"

static krb5_error_code
add_db(krb5_context context, struct krb5_kdc_configuration *c,
       const char *conf, const char *master_key)
{
    krb5_error_code ret;
    void *ptr;

    ptr = realloc(c->db, (c->num_db + 1) * sizeof(*c->db));
    if (ptr == NULL) {
	krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
	return ENOMEM;
    }
    c->db = ptr;

    ret = hdb_create(context, &c->db[c->num_db], conf);
    if(ret)
	return ret;

    c->num_db++;

    if (master_key) {
	ret = hdb_set_master_keyfile(context, c->db[c->num_db - 1], master_key);
	if (ret)
	    return ret;
    }

    return 0;
}

krb5_error_code
krb5_kdc_set_dbinfo(krb5_context context, struct krb5_kdc_configuration *c)
{
    struct hdb_dbinfo *info, *d;
    krb5_error_code ret;
    int i;

    /* fetch the databases */
    ret = hdb_get_dbinfo(context, &info);
    if (ret)
	return ret;

    d = NULL;
    while ((d = hdb_dbinfo_get_next(info, d)) != NULL) {

	ret = add_db(context, c,
		     hdb_dbinfo_get_dbname(context, d),
		     hdb_dbinfo_get_mkey_file(context, d));
	if (ret)
	    goto out;

	kdc_log(context, c, 0, "label: %s",
		hdb_dbinfo_get_label(context, d));
	kdc_log(context, c, 0, "\tdbname: %s",
		hdb_dbinfo_get_dbname(context, d));
	kdc_log(context, c, 0, "\tmkey_file: %s",
		hdb_dbinfo_get_mkey_file(context, d));
	kdc_log(context, c, 0, "\tacl_file: %s",
		hdb_dbinfo_get_acl_file(context, d));
    }
    hdb_free_dbinfo(context, &info);

    return 0;
out:
    for (i = 0; i < c->num_db; i++)
	if (c->db[i] && c->db[i]->hdb_destroy)
	    (*c->db[i]->hdb_destroy)(context, c->db[i]);
    c->num_db = 0;
    free(c->db);
    c->db = NULL;

    hdb_free_dbinfo(context, &info);

    return ret;
}