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("$Id$");
  37
  38 kadm5_ret_t
  39 kadm5_s_rename_principal(void *server_handle,
  40                          krb5_principal source,
  41                          krb5_principal target)
  42 {
  43     kadm5_server_context *context = server_handle;
  44     kadm5_ret_t ret;
  45     hdb_entry_ex ent;
  46     krb5_principal oldname;
  47
  48     memset(&ent, 0, sizeof(ent));
  49     if(krb5_principal_compare(context->context, source, target))
  50         return KADM5_DUP; /* XXX is this right? */
  51     if (!context->keep_open) {
  52         ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
  53         if(ret)
  54             return ret;
  55     }
  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         if (!context->keep_open)
  60             context->db->hdb_close(context->context, context->db);
  61         goto out;
  62     }
  63     ret = _kadm5_set_modifier(context, &ent.entry);
  64     if(ret)
  65         goto out2;
  66     {
  67         /* fix salt */
  68         size_t i;
  69         Salt salt;
  70         krb5_salt salt2;
  71         memset(&salt, 0, sizeof(salt));
  72         krb5_get_pw_salt(context->context, source, &salt2);
  73         salt.type = hdb_pw_salt;
  74         salt.salt = salt2.saltvalue;
  75         for(i = 0; i < ent.entry.keys.len; i++){
  76             if(ent.entry.keys.val[i].salt == NULL){
  77                 ent.entry.keys.val[i].salt =
  78                     malloc(sizeof(*ent.entry.keys.val[i].salt));
  79                 if(ent.entry.keys.val[i].salt == NULL)
  80                     return ENOMEM;
  81                 ret = copy_Salt(&salt, ent.entry.keys.val[i].salt);
  82                 if(ret)
  83                     break;
  84             }
  85         }
  86         krb5_free_salt(context->context, salt2);
  87     }
  88     if(ret)
  89         goto out2;
  90     oldname = ent.entry.principal;
  91     ent.entry.principal = target;
  92
  93     ret = hdb_seal_keys(context->context, context->db, &ent.entry);
  94     if (ret) {
  95         ent.entry.principal = oldname;
  96         goto out2;
  97     }
  98
  99     kadm5_log_rename (context, source, &ent.entry);
 100
 101     ret = context->db->hdb_store(context->context, context->db, 0, &ent);
 102     if(ret){
 103         ent.entry.principal = oldname;
 104         goto out2;
 105     }
 106     ret = context->db->hdb_remove(context->context, context->db, oldname);
 107     ent.entry.principal = oldname;
 108 out2:
 109     if (!context->keep_open)
 110         context->db->hdb_close(context->context, context->db);
 111     hdb_free_entry(context->context, &ent);
 112 out:
 113     return _kadm5_error_code(ret);
 114 }
 115