admin/extkeytab.c

   1 /*
   2  * Copyright (c) 1997 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. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed by Kungliga Tekniska
  20  *      Högskolan and its contributors.
  21  *
  22  * 4. Neither the name of the Institute nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include "admin_locl.h"
  40
  41 RCSID("$Id$");
  42
  43 int
  44 ext_keytab(int argc, char **argv)
  45 {
  46     HDB *db;
  47     hdb_entry ent;
  48     int ret;
  49     krb5_keytab kid;
  50     krb5_keytab_entry key_entry;
  51     krb5_principal principal;
  52     Key *k;
  53
  54     if(argc < 2 || argc > 3){
  55         krb5_warnx(context, "Usage: ext_keytab principal [file]");
  56         return 0;
  57     }
  58
  59     ret = hdb_open(context, &db, database, O_RDONLY, 0600);
  60     if(ret){
  61         krb5_warn(context, ret, "hdb_open");
  62         return 0;
  63     }
  64
  65     ret = krb5_parse_name (context, argv[1], &principal);
  66     if (ret) {
  67         krb5_warn(context, ret, "krb5_parse_name");
  68         goto cleanup1;
  69     }
  70     ent.principal = principal;
  71
  72     ret = db->fetch(context, db, &ent);
  73     if (ret) {
  74         krb5_warn (context, ret, "db->fetch");
  75         krb5_free_principal (context, ent.principal);
  76         goto cleanup1;
  77     }
  78
  79     key_entry.principal = principal;
  80     key_entry.vno = ent.kvno;
  81     /* XXX XXX XXX XXX */
  82     k = unseal_key(&ent.keys.val[0]);
  83
  84     key_entry.keyblock.keytype = k->key.keytype;
  85     key_entry.keyblock.keyvalue.length = 0;
  86     krb5_data_copy(&key_entry.keyblock.keyvalue,
  87                    k->key.keyvalue.data,
  88                    k->key.keyvalue.length);
  89     hdb_free_key (k);
  90
  91     {
  92         char ktname[128] = "FILE:";
  93         if(argc == 3)
  94             strcat(ktname, argv[2]);
  95         else
  96             ret = krb5_kt_default_name(context, ktname, sizeof(ktname));
  97         ret = krb5_kt_resolve(context, ktname, &kid);
  98     }
  99
 100     if (ret) {
 101         krb5_warn(context, ret, "krb5_kt_resolve");
 102         goto cleanup2;
 103     }
 104
 105     ret = krb5_kt_add_entry(context,
 106                             kid,
 107                             &key_entry);
 108
 109     if (ret) {
 110         krb5_warn(context, ret, "krb5_kt_add_entry");
 111     }
 112     krb5_kt_close (context, kid);
 113 cleanup2:
 114     krb5_free_principal (context, key_entry.principal);
 115     krb5_free_keyblock (context, &key_entry.keyblock);
 116     hdb_free_entry (context, &ent);
 117 cleanup1:
 118     db->close (context, db);
 119     return 0;
 120 }