lib/kadm5/ent_setup.c

   1 /*
   2  * Copyright (c) 1997 - 2000 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 #define set_value(X, V) do { if((X) == NULL) (X) = malloc(sizeof(*(X))); *(X) = V; } while(0)
  39 #define set_null(X)     do { if((X) != NULL) free((X)); (X) = NULL; } while (0)
  40
  41 static void
  42 attr_to_flags(unsigned attr, HDBFlags *flags)
  43 {
  44     flags->postdate =           !(attr & KRB5_KDB_DISALLOW_POSTDATED);
  45     flags->forwardable =        !(attr & KRB5_KDB_DISALLOW_FORWARDABLE);
  46     flags->initial =           !!(attr & KRB5_KDB_DISALLOW_TGT_BASED);
  47     flags->renewable =          !(attr & KRB5_KDB_DISALLOW_RENEWABLE);
  48     flags->proxiable =          !(attr & KRB5_KDB_DISALLOW_PROXIABLE);
  49     /* DUP_SKEY */
  50     flags->invalid =           !!(attr & KRB5_KDB_DISALLOW_ALL_TIX);
  51     flags->require_preauth =   !!(attr & KRB5_KDB_REQUIRES_PRE_AUTH);
  52     /* HW_AUTH */
  53     flags->server =             !(attr & KRB5_KDB_DISALLOW_SVR);
  54     flags->change_pw =         !!(attr & KRB5_KDB_PWCHANGE_SERVICE);
  55     flags->client =             1; /* XXX */
  56 }
  57
  58 /*
  59  * Create the hdb entry `ent' based on data from `princ' with
  60  * `princ_mask' specifying what fields to be gotten from there and
  61  * `mask' specifying what fields we want filled in.
  62  */
  63
  64 kadm5_ret_t
  65 _kadm5_setup_entry(kadm5_server_context *context,
  66                    hdb_entry *ent,
  67                    u_int32_t mask,
  68                    kadm5_principal_ent_t princ,
  69                    u_int32_t princ_mask,
  70                    kadm5_principal_ent_t def,
  71                    u_int32_t def_mask)
  72 {
  73     if(mask & KADM5_PRINC_EXPIRE_TIME
  74        && princ_mask & KADM5_PRINC_EXPIRE_TIME) {
  75         if (princ->princ_expire_time)
  76             set_value(ent->valid_end, princ->princ_expire_time);
  77         else
  78             set_null(ent->valid_end);
  79     }
  80     if(mask & KADM5_PW_EXPIRATION
  81        && princ_mask & KADM5_PW_EXPIRATION) {
  82         if (princ->pw_expiration)
  83             set_value(ent->pw_end, princ->pw_expiration);
  84         else
  85             set_null(ent->pw_end);
  86     }
  87     if(mask & KADM5_ATTRIBUTES) {
  88         if (princ_mask & KADM5_ATTRIBUTES) {
  89             attr_to_flags(princ->attributes, &ent->flags);
  90         } else if(def_mask & KADM5_ATTRIBUTES) {
  91             attr_to_flags(def->attributes, &ent->flags);
  92             ent->flags.invalid = 0;
  93         } else {
  94             ent->flags.client      = 1;
  95             ent->flags.server      = 1;
  96             ent->flags.forwardable = 1;
  97             ent->flags.proxiable   = 1;
  98             ent->flags.renewable   = 1;
  99             ent->flags.postdate    = 1;
 100         }
 101     }
 102     if(mask & KADM5_MAX_LIFE) {
 103         if(princ_mask & KADM5_MAX_LIFE) {
 104             if(princ->max_life)
 105               set_value(ent->max_life, princ->max_life);
 106             else
 107               set_null(ent->max_life);
 108         } else if(def_mask & KADM5_MAX_LIFE) {
 109             if(def->max_life)
 110               set_value(ent->max_life, def->max_life);
 111             else
 112               set_null(ent->max_life);
 113         }
 114     }
 115     if(mask & KADM5_KVNO
 116        && princ_mask & KADM5_KVNO)
 117         ent->kvno = princ->kvno;
 118     if(mask & KADM5_MAX_RLIFE) {
 119         if(princ_mask & KADM5_MAX_RLIFE) {
 120           if(princ->max_renewable_life)
 121             set_value(ent->max_renew, princ->max_renewable_life);
 122           else
 123             set_null(ent->max_renew);
 124         } else if(def_mask & KADM5_MAX_RLIFE) {
 125           if(def->max_renewable_life)
 126             set_value(ent->max_renew, def->max_renewable_life);
 127           else
 128             set_null(ent->max_renew);
 129         }
 130     }
 131     if(mask & KADM5_KEY_DATA
 132        && princ_mask & KADM5_KEY_DATA) {
 133         _kadm5_set_keys2(context, ent, princ->n_key_data, princ->key_data);
 134     }
 135     if(mask & KADM5_TL_DATA) {
 136         /* XXX */
 137     }
 138     if(mask & KADM5_FAIL_AUTH_COUNT) {
 139         /* XXX */
 140     }
 141     return 0;
 142 }