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
  57     ret = kadm5_log_init(context);
  58     if (ret)
  59         goto out;
  60
  61     ret = context->db->hdb_fetch_kvno(context->context, context->db,
  62                                       source, HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
  63     if (ret)
  64         goto out;
  65     oldname = ent.entry.principal;
  66     ret = _kadm5_set_modifier(context, &ent.entry);
  67     if (ret)
  68         goto out2;
  69     {
  70         /* fix salt */
  71         size_t i;
  72         Salt salt;
  73         krb5_salt salt2;
  74         memset(&salt, 0, sizeof(salt));
  75         krb5_get_pw_salt(context->context, source, &salt2);
  76         salt.type = hdb_pw_salt;
  77         salt.salt = salt2.saltvalue;
  78         for(i = 0; i < ent.entry.keys.len; i++){
  79             if(ent.entry.keys.val[i].salt == NULL){
  80                 ent.entry.keys.val[i].salt =
  81                     malloc(sizeof(*ent.entry.keys.val[i].salt));
  82                 if(ent.entry.keys.val[i].salt == NULL)
  83                     return ENOMEM;
  84                 ret = copy_Salt(&salt, ent.entry.keys.val[i].salt);
  85                 if(ret)
  86                     break;
  87             }
  88         }
  89         krb5_free_salt(context->context, salt2);
  90     }
  91     if (ret)
  92         goto out2;
  93
  94     /* Borrow target */
  95     ent.entry.principal = target;
  96     ret = hdb_seal_keys(context->context, context->db, &ent.entry);
  97     if (ret)
  98         goto out2;
  99
 100     /* This logs the change for iprop and writes to the HDB */
 101     ret = kadm5_log_rename(context, source, &ent.entry);
 102
 103 out2:
 104     ent.entry.principal = oldname; /* Unborrow target */
 105     hdb_free_entry(context->context, &ent);
 106
 107 out:
 108     (void) kadm5_log_end(context);
 109     if (!context->keep_open) {
 110         kadm5_ret_t ret2;
 111         ret2 = context->db->hdb_close(context->context, context->db);
 112         if (ret == 0 && ret2 != 0)
 113             ret = ret2;
 114     }
 115     return _kadm5_error_code(ret);
 116 }
 117