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

   1 /*
   2  * Copyright (c) 1997 - 2001, 2003, 2005 - 2005 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "kadm5_locl.h"
  35
  36 __RCSID("$Heimdal: rename_s.c 21745 2007-07-31 16:11:25Z lha $"
  37         "$NetBSD$");
  38
  39 kadm5_ret_t
  40 kadm5_s_rename_principal(void *server_handle,
  41                          krb5_principal source,
  42                          krb5_principal target)
  43 {
  44     kadm5_server_context *context = server_handle;
  45     kadm5_ret_t ret;
  46     hdb_entry_ex ent;
  47     krb5_principal oldname;
  48
  49     memset(&ent, 0, sizeof(ent));
  50     if(krb5_principal_compare(context->context, source, target))
  51         return KADM5_DUP; /* XXX is this right? */
  52     ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
  53     if(ret)
  54         return ret;
  55     ret = context->db->hdb_fetch(context->context, context->db,
  56                                  source, HDB_F_GET_ANY, &ent);
  57     if(ret){
  58         context->db->hdb_close(context->context, context->db);
  59         goto out;
  60     }
  61     ret = _kadm5_set_modifier(context, &ent.entry);
  62     if(ret)
  63         goto out2;
  64     {
  65         /* fix salt */
  66         int i;
  67         Salt salt;
  68         krb5_salt salt2;
  69         krb5_get_pw_salt(context->context, source, &salt2);
  70         salt.type = hdb_pw_salt;
  71         salt.salt = salt2.saltvalue;
  72         for(i = 0; i < ent.entry.keys.len; i++){
  73             if(ent.entry.keys.val[i].salt == NULL){
  74                 ent.entry.keys.val[i].salt =
  75                     malloc(sizeof(*ent.entry.keys.val[i].salt));
  76                 if(ent.entry.keys.val[i].salt == NULL)
  77                     return ENOMEM;
  78                 ret = copy_Salt(&salt, ent.entry.keys.val[i].salt);
  79                 if(ret)
  80                     break;
  81             }
  82         }
  83         krb5_free_salt(context->context, salt2);
  84     }
  85     if(ret)
  86         goto out2;
  87     oldname = ent.entry.principal;
  88     ent.entry.principal = target;
  89
  90     ret = hdb_seal_keys(context->context, context->db, &ent.entry);
  91     if (ret) {
  92         ent.entry.principal = oldname;
  93         goto out2;
  94     }
  95
  96     kadm5_log_rename (context, source, &ent.entry);
  97
  98     ret = context->db->hdb_store(context->context, context->db, 0, &ent);
  99     if(ret){
 100         ent.entry.principal = oldname;
 101         goto out2;
 102     }
 103     ret = context->db->hdb_remove(context->context, context->db, oldname);
 104     ent.entry.principal = oldname;
 105 out2:
 106     context->db->hdb_close(context->context, context->db);
 107     hdb_free_entry(context->context, &ent);
 108 out:
 109     return _kadm5_error_code(ret);
 110 }
 111