kdc/set_dbinfo.c

   1 /*
   2  * Copyright (c) 1997-2007 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "kdc_locl.h"
  37
  38 static krb5_error_code
  39 add_db(krb5_context context, struct krb5_kdc_configuration *c,
  40        const char *conf, const char *master_key)
  41 {
  42     krb5_error_code ret;
  43     void *ptr;
  44
  45     ptr = realloc(c->db, (c->num_db + 1) * sizeof(*c->db));
  46     if (ptr == NULL) {
  47         krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
  48         return ENOMEM;
  49     }
  50     c->db = ptr;
  51
  52     ret = hdb_create(context, &c->db[c->num_db], conf);
  53     if(ret)
  54         return ret;
  55
  56     c->num_db++;
  57
  58     if (master_key) {
  59         ret = hdb_set_master_keyfile(context, c->db[c->num_db - 1], master_key);
  60         if (ret)
  61             return ret;
  62     }
  63
  64     return 0;
  65 }
  66
  67 KDC_LIB_FUNCTION krb5_error_code KDC_LIB_CALL
  68 krb5_kdc_set_dbinfo(krb5_context context, struct krb5_kdc_configuration *c)
  69 {
  70     struct hdb_dbinfo *info, *d;
  71     krb5_error_code ret;
  72     int i;
  73
  74     /* fetch the databases */
  75     ret = hdb_get_dbinfo(context, &info);
  76     if (ret)
  77         return ret;
  78
  79     d = NULL;
  80     while ((d = hdb_dbinfo_get_next(info, d)) != NULL) {
  81
  82         ret = add_db(context, c,
  83                      hdb_dbinfo_get_dbname(context, d),
  84                      hdb_dbinfo_get_mkey_file(context, d));
  85         if (ret)
  86             goto out;
  87
  88         kdc_log(context, c, 3, "label: %s",
  89                 hdb_dbinfo_get_label(context, d));
  90         kdc_log(context, c, 3, "\tdbname: %s",
  91                 hdb_dbinfo_get_dbname(context, d));
  92         kdc_log(context, c, 3, "\tmkey_file: %s",
  93                 hdb_dbinfo_get_mkey_file(context, d));
  94         kdc_log(context, c, 3, "\tacl_file: %s",
  95                 hdb_dbinfo_get_acl_file(context, d));
  96     }
  97     hdb_free_dbinfo(context, &info);
  98
  99     return 0;
 100 out:
 101     for (i = 0; i < c->num_db; i++)
 102         if (c->db[i] && c->db[i]->hdb_destroy)
 103             (*c->db[i]->hdb_destroy)(context, c->db[i]);
 104     c->num_db = 0;
 105     free(c->db);
 106     c->db = NULL;
 107
 108     hdb_free_dbinfo(context, &info);
 109
 110     return ret;
 111 }
 112
 113