crypto/heimdal-0.6.3/kadmin/init.c

   1 /*
   2  * Copyright (c) 1997-2002 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 "kadmin_locl.h"
  35 #include <kadm5/private.h>
  36
  37 RCSID("$Id: init.c,v 1.29 2002/12/03 14:08:17 joda Exp $");
  38
  39 static kadm5_ret_t
  40 create_random_entry(krb5_principal princ,
  41                     unsigned max_life,
  42                     unsigned max_rlife,
  43                     u_int32_t attributes)
  44 {
  45     kadm5_principal_ent_rec ent;
  46     kadm5_ret_t ret;
  47     int mask = 0;
  48     krb5_keyblock *keys;
  49     int n_keys, i;
  50
  51     memset(&ent, 0, sizeof(ent));
  52     ent.principal = princ;
  53     mask |= KADM5_PRINCIPAL;
  54     if (max_life) {
  55         ent.max_life = max_life;
  56         mask |= KADM5_MAX_LIFE;
  57     }
  58     if (max_rlife) {
  59         ent.max_renewable_life = max_rlife;
  60         mask |= KADM5_MAX_RLIFE;
  61     }
  62     ent.attributes |= attributes | KRB5_KDB_DISALLOW_ALL_TIX;
  63     mask |= KADM5_ATTRIBUTES;
  64
  65     ret = kadm5_create_principal(kadm_handle, &ent, mask, "hemlig");
  66     if(ret)
  67         return ret;
  68     ret = kadm5_randkey_principal(kadm_handle, princ, &keys, &n_keys);
  69     if(ret)
  70         return ret;
  71     for(i = 0; i < n_keys; i++)
  72         krb5_free_keyblock_contents(context, &keys[i]);
  73     free(keys);
  74     ret = kadm5_get_principal(kadm_handle, princ, &ent,
  75                               KADM5_PRINCIPAL | KADM5_ATTRIBUTES);
  76     if(ret)
  77         return ret;
  78     ent.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX);
  79     ent.kvno = 1;
  80     ret = kadm5_modify_principal(kadm_handle, &ent,
  81                                  KADM5_ATTRIBUTES|KADM5_KVNO);
  82     kadm5_free_principal_ent (kadm_handle, &ent);
  83     if(ret)
  84         return ret;
  85     return 0;
  86 }
  87
  88 static struct getargs args[] = {
  89     { "realm-max-ticket-life",  0,      arg_string,     NULL,
  90       "realm max ticket lifetime" },
  91     { "realm-max-renewable-life",  0,   arg_string,     NULL,
  92       "realm max renewable lifetime" },
  93     { "help", 'h', arg_flag, NULL },
  94 };
  95
  96 static int num_args = sizeof(args) / sizeof(args[0]);
  97
  98 static void
  99 usage(void)
 100 {
 101     arg_printusage (args, num_args, "init", "realm...");
 102 }
 103
 104 int
 105 init(int argc, char **argv)
 106 {
 107     kadm5_ret_t ret;
 108     int i;
 109     char *realm_max_life  = NULL;
 110     char *realm_max_rlife = NULL;
 111     int help_flag = 0;
 112     HDB *db;
 113     int optind = 0;
 114     krb5_deltat max_life, max_rlife;
 115
 116     args[0].value = &realm_max_life;
 117     args[1].value = &realm_max_rlife;
 118     args[2].value = &help_flag;
 119
 120     if(getarg(args, num_args, argc, argv, &optind) || help_flag) {
 121         usage();
 122         return 0;
 123     }
 124
 125     if(argc - optind < 1) {
 126         usage();
 127         return 0;
 128     }
 129
 130     if (realm_max_life) {
 131         if (str2deltat (realm_max_life, &max_life) != 0) {
 132             krb5_warnx (context, "unable to parse `%s'", realm_max_life);
 133             return 0;
 134         }
 135     }
 136     if (realm_max_rlife) {
 137         if (str2deltat (realm_max_rlife, &max_rlife) != 0) {
 138             krb5_warnx (context, "unable to parse `%s'", realm_max_rlife);
 139             return 0;
 140         }
 141     }
 142
 143     db = _kadm5_s_get_db(kadm_handle);
 144
 145     ret = db->open(context, db, O_RDWR | O_CREAT, 0600);
 146     if(ret){
 147         krb5_warn(context, ret, "hdb_open");
 148         return 0;
 149     }
 150     db->close(context, db);
 151     for(i = optind; i < argc; i++){
 152         krb5_principal princ;
 153         const char *realm = argv[i];
 154
 155         /* Create `krbtgt/REALM' */
 156         ret = krb5_make_principal(context, &princ, realm,
 157                                   KRB5_TGS_NAME, realm, NULL);
 158         if(ret)
 159             return 0;
 160         if (realm_max_life == NULL) {
 161             max_life = 0;
 162             if(edit_deltat ("Realm max ticket life", &max_life, NULL, 0)) {
 163                 krb5_free_principal(context, princ);
 164                 return 0;
 165             }
 166         }
 167         if (realm_max_rlife == NULL) {
 168             max_rlife = 0;
 169             if(edit_deltat("Realm max renewable ticket life", &max_rlife,
 170                            NULL, 0)) {
 171                 krb5_free_principal(context, princ);
 172                 return 0;
 173             }
 174         }
 175         create_random_entry(princ, max_life, max_rlife, 0);
 176         krb5_free_principal(context, princ);
 177
 178         /* Create `kadmin/changepw' */
 179         krb5_make_principal(context, &princ, realm,
 180                             "kadmin", "changepw", NULL);
 181         create_random_entry(princ, 5*60, 5*60,
 182                             KRB5_KDB_DISALLOW_TGT_BASED|
 183                             KRB5_KDB_PWCHANGE_SERVICE|
 184                             KRB5_KDB_DISALLOW_POSTDATED|
 185                             KRB5_KDB_DISALLOW_FORWARDABLE|
 186                             KRB5_KDB_DISALLOW_RENEWABLE|
 187                             KRB5_KDB_DISALLOW_PROXIABLE|
 188                             KRB5_KDB_REQUIRES_PRE_AUTH);
 189         krb5_free_principal(context, princ);
 190
 191         /* Create `kadmin/admin' */
 192         krb5_make_principal(context, &princ, realm,
 193                             "kadmin", "admin", NULL);
 194         create_random_entry(princ, 60*60, 60*60, KRB5_KDB_REQUIRES_PRE_AUTH);
 195         krb5_free_principal(context, princ);
 196
 197         /* Create `changepw/kerberos' (for v4 compat) */
 198         krb5_make_principal(context, &princ, realm,
 199                             "changepw", "kerberos", NULL);
 200         create_random_entry(princ, 60*60, 60*60,
 201                             KRB5_KDB_DISALLOW_TGT_BASED|
 202                             KRB5_KDB_PWCHANGE_SERVICE);
 203
 204         krb5_free_principal(context, princ);
 205
 206         /* Create `kadmin/hprop' for database propagation */
 207         krb5_make_principal(context, &princ, realm,
 208                             "kadmin", "hprop", NULL);
 209         create_random_entry(princ, 60*60, 60*60,
 210                             KRB5_KDB_REQUIRES_PRE_AUTH|
 211                             KRB5_KDB_DISALLOW_TGT_BASED);
 212         krb5_free_principal(context, princ);
 213
 214         /* Create `default' */
 215         {
 216             kadm5_principal_ent_rec ent;
 217             int mask = 0;
 218
 219             memset (&ent, 0, sizeof(ent));
 220             mask |= KADM5_PRINCIPAL;
 221             krb5_make_principal(context, &ent.principal, realm,
 222                                 "default", NULL);
 223             mask |= KADM5_MAX_LIFE;
 224             ent.max_life = 24 * 60 * 60;
 225             mask |= KADM5_MAX_RLIFE;
 226             ent.max_renewable_life = 7 * ent.max_life;
 227             ent.attributes = KRB5_KDB_DISALLOW_ALL_TIX;
 228             mask |= KADM5_ATTRIBUTES;
 229
 230             ret = kadm5_create_principal(kadm_handle, &ent, mask, "");
 231             if (ret)
 232                 krb5_err (context, 1, ret, "kadm5_create_principal");
 233
 234             krb5_free_principal(context, ent.principal);
 235         }
 236     }
 237     return 0;
 238 }