crypto/heimdal-0.6.3/lib/kadm5/get_s.c

   1 /*
   2  * Copyright (c) 1997, 1998, 1999 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: get_s.c,v 1.13 2000/06/19 16:11:31 joda Exp $");
  37
  38 kadm5_ret_t
  39 kadm5_s_get_principal(void *server_handle,
  40                       krb5_principal princ,
  41                       kadm5_principal_ent_t out,
  42                       u_int32_t mask)
  43 {
  44     kadm5_server_context *context = server_handle;
  45     kadm5_ret_t ret;
  46     hdb_entry ent;
  47
  48     ent.principal = princ;
  49     ret = context->db->open(context->context, context->db, O_RDONLY, 0);
  50     if(ret)
  51         return ret;
  52     ret = context->db->fetch(context->context, context->db,
  53                              HDB_F_DECRYPT, &ent);
  54     context->db->close(context->context, context->db);
  55     if(ret)
  56         return _kadm5_error_code(ret);
  57
  58     memset(out, 0, sizeof(*out));
  59     if(mask & KADM5_PRINCIPAL)
  60         ret  = krb5_copy_principal(context->context, ent.principal,
  61                                    &out->principal);
  62     if(ret)
  63         goto out;
  64     if(mask & KADM5_PRINC_EXPIRE_TIME && ent.valid_end)
  65         out->princ_expire_time = *ent.valid_end;
  66     if(mask & KADM5_PW_EXPIRATION && ent.pw_end)
  67         out->pw_expiration = *ent.pw_end;
  68     if(mask & KADM5_LAST_PWD_CHANGE)
  69         /* XXX implement */;
  70     if(mask & KADM5_ATTRIBUTES){
  71         out->attributes |= ent.flags.postdate ? 0 : KRB5_KDB_DISALLOW_POSTDATED;
  72         out->attributes |= ent.flags.forwardable ? 0 : KRB5_KDB_DISALLOW_FORWARDABLE;
  73         out->attributes |= ent.flags.initial ? KRB5_KDB_DISALLOW_TGT_BASED : 0;
  74         out->attributes |= ent.flags.renewable ? 0 : KRB5_KDB_DISALLOW_RENEWABLE;
  75         out->attributes |= ent.flags.proxiable ? 0 : KRB5_KDB_DISALLOW_PROXIABLE;
  76         out->attributes |= ent.flags.invalid ? KRB5_KDB_DISALLOW_ALL_TIX : 0;
  77         out->attributes |= ent.flags.require_preauth ? KRB5_KDB_REQUIRES_PRE_AUTH : 0;
  78         out->attributes |= ent.flags.server ? 0 : KRB5_KDB_DISALLOW_SVR;
  79         out->attributes |= ent.flags.change_pw ? KRB5_KDB_PWCHANGE_SERVICE : 0;
  80     }
  81     if(mask & KADM5_MAX_LIFE) {
  82         if(ent.max_life)
  83             out->max_life = *ent.max_life;
  84         else
  85             out->max_life = INT_MAX;
  86     }
  87     if(mask & KADM5_MOD_TIME) {
  88         if(ent.modified_by)
  89             out->mod_date = ent.modified_by->time;
  90         else
  91             out->mod_date = ent.created_by.time;
  92     }
  93     if(mask & KADM5_MOD_NAME) {
  94         if(ent.modified_by) {
  95             if (ent.modified_by->principal != NULL)
  96                 ret = krb5_copy_principal(context->context,
  97                                           ent.modified_by->principal,
  98                                           &out->mod_name);
  99         } else if(ent.created_by.principal != NULL)
 100             ret = krb5_copy_principal(context->context,
 101                                       ent.created_by.principal,
 102                                       &out->mod_name);
 103         else
 104             out->mod_name = NULL;
 105     }
 106     if(ret)
 107         goto out;
 108
 109     if(mask & KADM5_KVNO)
 110         out->kvno = ent.kvno;
 111     if(mask & KADM5_MKVNO) {
 112         int n;
 113         out->mkvno = 0; /* XXX */
 114         for(n = 0; n < ent.keys.len; n++)
 115             if(ent.keys.val[n].mkvno) {
 116                 out->mkvno = *ent.keys.val[n].mkvno; /* XXX this isn't right */
 117                 break;
 118             }
 119     }
 120     if(mask & KADM5_AUX_ATTRIBUTES)
 121         /* XXX implement */;
 122     if(mask & KADM5_POLICY)
 123         out->policy = NULL;
 124     if(mask & KADM5_MAX_RLIFE) {
 125         if(ent.max_renew)
 126             out->max_renewable_life = *ent.max_renew;
 127         else
 128             out->max_renewable_life = INT_MAX;
 129     }
 130     if(mask & KADM5_LAST_SUCCESS)
 131         /* XXX implement */;
 132     if(mask & KADM5_LAST_FAILED)
 133         /* XXX implement */;
 134     if(mask & KADM5_FAIL_AUTH_COUNT)
 135         /* XXX implement */;
 136     if(mask & KADM5_KEY_DATA){
 137         int i;
 138         Key *key;
 139         krb5_key_data *kd;
 140         krb5_salt salt;
 141         krb5_data *sp;
 142         krb5_get_pw_salt(context->context, ent.principal, &salt);
 143         out->key_data = malloc(ent.keys.len * sizeof(*out->key_data));
 144         for(i = 0; i < ent.keys.len; i++){
 145             key = &ent.keys.val[i];
 146             kd = &out->key_data[i];
 147             kd->key_data_ver = 2;
 148             kd->key_data_kvno = ent.kvno;
 149             kd->key_data_type[0] = key->key.keytype;
 150             if(key->salt)
 151                 kd->key_data_type[1] = key->salt->type;
 152             else
 153                 kd->key_data_type[1] = KRB5_PADATA_PW_SALT;
 154             /* setup key */
 155             kd->key_data_length[0] = key->key.keyvalue.length;
 156             kd->key_data_contents[0] = malloc(kd->key_data_length[0]);
 157             if(kd->key_data_contents[0] == NULL){
 158                 ret = ENOMEM;
 159                 break;
 160             }
 161             memcpy(kd->key_data_contents[0], key->key.keyvalue.data,
 162                    kd->key_data_length[0]);
 163             /* setup salt */
 164             if(key->salt)
 165                 sp = &key->salt->salt;
 166             else
 167                 sp = &salt.saltvalue;
 168             kd->key_data_length[1] = sp->length;
 169             kd->key_data_contents[1] = malloc(kd->key_data_length[1]);
 170             if(kd->key_data_length[1] != 0
 171                && kd->key_data_contents[1] == NULL) {
 172                 memset(kd->key_data_contents[0], 0, kd->key_data_length[0]);
 173                 ret = ENOMEM;
 174                 break;
 175             }
 176             memcpy(kd->key_data_contents[1], sp->data, kd->key_data_length[1]);
 177             out->n_key_data = i + 1;
 178         }
 179         krb5_free_salt(context->context, salt);
 180     }
 181     if(ret){
 182         kadm5_free_principal_ent(context, out);
 183         goto out;
 184     }
 185     if(mask & KADM5_TL_DATA)
 186         /* XXX implement */;
 187 out:
 188     hdb_free_entry(context->context, &ent);
 189
 190     return _kadm5_error_code(ret);
 191 }