crypto/external/bsd/heimdal/dist/lib/kadm5/rename_s.c

   1 /*      $NetBSD: rename_s.c,v 1.1.1.2 2014/04/24 12:45:49 pettai Exp $  */
   2
   3 /*
   4  * Copyright (c) 1997 - 2001, 2003, 2005 - 2005 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * 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 "kadm5_locl.h"
  37
  38 __RCSID("NetBSD");
  39
  40 kadm5_ret_t
  41 kadm5_s_rename_principal(void *server_handle,
  42                          krb5_principal source,
  43                          krb5_principal target)
  44 {
  45     kadm5_server_context *context = server_handle;
  46     kadm5_ret_t ret;
  47     hdb_entry_ex ent;
  48     krb5_principal oldname;
  49
  50     memset(&ent, 0, sizeof(ent));
  51     if(krb5_principal_compare(context->context, source, target))
  52         return KADM5_DUP; /* XXX is this right? */
  53     ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
  54     if(ret)
  55         return ret;
  56     ret = context->db->hdb_fetch_kvno(context->context, context->db,
  57                                       source, HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
  58     if(ret){
  59         context->db->hdb_close(context->context, context->db);
  60         goto out;
  61     }
  62     ret = _kadm5_set_modifier(context, &ent.entry);
  63     if(ret)
  64         goto out2;
  65     {
  66         /* fix salt */
  67         size_t i;
  68         Salt salt;
  69         krb5_salt salt2;
  70         memset(&salt, 0, sizeof(salt));
  71         krb5_get_pw_salt(context->context, source, &salt2);
  72         salt.type = hdb_pw_salt;
  73         salt.salt = salt2.saltvalue;
  74         for(i = 0; i < ent.entry.keys.len; i++){
  75             if(ent.entry.keys.val[i].salt == NULL){
  76                 ent.entry.keys.val[i].salt =
  77                     malloc(sizeof(*ent.entry.keys.val[i].salt));
  78                 if(ent.entry.keys.val[i].salt == NULL)
  79                     return ENOMEM;
  80                 ret = copy_Salt(&salt, ent.entry.keys.val[i].salt);
  81                 if(ret)
  82                     break;
  83             }
  84         }
  85         krb5_free_salt(context->context, salt2);
  86     }
  87     if(ret)
  88         goto out2;
  89     oldname = ent.entry.principal;
  90     ent.entry.principal = target;
  91
  92     ret = hdb_seal_keys(context->context, context->db, &ent.entry);
  93     if (ret) {
  94         ent.entry.principal = oldname;
  95         goto out2;
  96     }
  97
  98     kadm5_log_rename (context, source, &ent.entry);
  99
 100     ret = context->db->hdb_store(context->context, context->db, 0, &ent);
 101     if(ret){
 102         ent.entry.principal = oldname;
 103         goto out2;
 104     }
 105     ret = context->db->hdb_remove(context->context, context->db, oldname);
 106     ent.entry.principal = oldname;
 107 out2:
 108     context->db->hdb_close(context->context, context->db);
 109     hdb_free_entry(context->context, &ent);
 110 out:
 111     return _kadm5_error_code(ret);
 112 }
 113