kadmin/ext.c

   1 /*
   2  * Copyright (c) 1997, 1998 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 "kadmin_locl.h"
  40
  41 RCSID("$Id$");
  42
  43 struct ext_keytab_data {
  44     krb5_keytab keytab;
  45 };
  46
  47 static struct getargs args[] = {
  48     { "keytab",         'k',    arg_string,     NULL, "keytab to use" },
  49 };
  50
  51 static int num_args = sizeof(args) / sizeof(args[0]);
  52
  53 static void
  54 usage(void)
  55 {
  56     arg_printusage(args, num_args, "ext", "principal...");
  57 }
  58
  59 static int
  60 do_ext_keytab(krb5_principal principal, void *data)
  61 {
  62     krb5_error_code ret;
  63     int i;
  64     kadm5_principal_ent_rec princ;
  65     struct ext_keytab_data *e = data;
  66
  67     ret = kadm5_get_principal(kadm_handle, principal, &princ,
  68                               KADM5_PRINCIPAL|KADM5_KVNO|KADM5_KEY_DATA);
  69     if(ret)
  70         return ret;
  71     for(i = 0; i < princ.n_key_data; i++){
  72         krb5_keytab_entry key;
  73         krb5_key_data *k = &princ.key_data[i];
  74         key.principal = princ.principal;
  75         key.vno = k->key_data_kvno;
  76         key.keyblock.keytype = k->key_data_type[0];
  77         key.keyblock.keyvalue.length = k->key_data_length[0];
  78         key.keyblock.keyvalue.data = k->key_data_contents[0];
  79         ret = krb5_kt_add_entry(context, e->keytab, &key);
  80         if(ret)
  81             krb5_warn(context, ret, "krb5_kt_add_entry");
  82     }
  83     kadm5_free_principal_ent(kadm_handle, &princ);
  84     return 0;
  85 }
  86
  87 int
  88 ext_keytab(int argc, char **argv)
  89 {
  90     krb5_error_code ret;
  91     int i;
  92     int optind = 0;
  93     char *keytab = NULL;
  94     struct ext_keytab_data data;
  95
  96     args[0].value = &keytab;
  97     if(getarg(args, num_args, argc, argv, &optind)){
  98         usage();
  99         return 0;
 100     }
 101     if(keytab)
 102         ret = krb5_kt_resolve(context, keytab, &data.keytab);
 103     else
 104         ret = krb5_kt_default(context, &data.keytab);
 105     if(ret){
 106         krb5_warn(context, ret, "krb5_kt_resolve");
 107         return 0;
 108     }
 109
 110     argc -= optind;
 111     argv += optind;
 112
 113     for(i = 0; i < argc; i++)
 114         foreach_principal(argv[i], do_ext_keytab, &data);
 115
 116     krb5_kt_close(context, data.keytab);
 117
 118     return 0;
 119 }
 120