Line data    Source code

       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. 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             : /*
      35             :  *
      36             :  */
      37             : 
      38             : #include "krb5_locl.h"
      39             : 
      40             : KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
      41      157228 : _krb5_principal2principalname(PrincipalName *p,
      42             :                               krb5_const_principal from)
      43             : {
      44      157228 :     return copy_PrincipalName(&from->name, p);
      45             : }
      46             : 
      47             : KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
      48      986416 : _krb5_principalname2krb5_principal (krb5_context context,
      49             :                                     krb5_principal *principal,
      50             :                                     const PrincipalName from,
      51             :                                     const Realm realm)
      52             : {
      53       26939 :     krb5_error_code ret;
      54       26939 :     krb5_principal p;
      55             : 
      56      986416 :     p = calloc(1, sizeof(*p));
      57      986416 :     if (p == NULL)
      58           0 :         return krb5_enomem(context);
      59      986416 :     ret = copy_PrincipalName(&from, &p->name);
      60      986416 :     if (ret) {
      61           0 :         free(p);
      62           0 :         return ret;
      63             :     }
      64      986416 :     p->realm = strdup(realm);
      65      986416 :     if (p->realm == NULL) {
      66           0 :         free_PrincipalName(&p->name);
      67           0 :         free(p);
      68           0 :         return krb5_enomem(context);
      69             :     }
      70      986416 :     *principal = p;
      71      986416 :     return 0;
      72             : }
      73             : 
      74             : KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
      75      105398 : _krb5_ticket2krb5_principal(krb5_context context,
      76             :                             krb5_principal *principal,
      77             :                             const EncTicketPart *ticket,
      78             :                             const AuthorizationData *authenticator_ad)
      79             : {
      80        2539 :     krb5_error_code ret;
      81      105398 :     krb5_principal p = NULL;
      82             : 
      83      105398 :     *principal = NULL;
      84             : 
      85      107937 :     ret = _krb5_principalname2krb5_principal(context,
      86             :                                              &p,
      87             :                                              ticket->cname,
      88      105398 :                                              ticket->crealm);
      89      105398 :     if (ret == 0 &&
      90      105398 :         (p->nameattrs = calloc(1, sizeof(p->nameattrs[0]))) == NULL)
      91           0 :         ret = krb5_enomem(context);
      92      105398 :     if (ret == 0)
      93      105398 :         p->nameattrs->authenticated = 1;
      94      105398 :     if (ret == 0 &&
      95      105398 :         (p->nameattrs->source =
      96      105398 :          calloc(1, sizeof(p->nameattrs->source[0]))) == NULL)
      97           0 :         ret = krb5_enomem(context);
      98      105398 :     if (ret == 0) {
      99      105398 :         p->nameattrs->source->element =
     100             :             choice_PrincipalNameAttrSrc_enc_ticket_part;
     101      105398 :         ret = copy_EncTicketPart(ticket,
     102      102859 :                                  &p->nameattrs->source->u.enc_ticket_part);
     103             :         /* NOTE: we don't want to keep a copy of the session key here! */
     104      105398 :         if (ret == 0)
     105      105398 :             der_free_octet_string(&p->nameattrs->source->u.enc_ticket_part.key.keyvalue);
     106             :     }
     107      105398 :     if (ret == 0 && authenticator_ad) {
     108       99833 :         p->nameattrs->authenticator_ad =
     109       99833 :             calloc(1, sizeof(p->nameattrs->authenticator_ad[0]));
     110       99833 :         if (p->nameattrs->authenticator_ad == NULL)
     111           0 :             ret = krb5_enomem(context);
     112       99833 :         if (ret == 0)
     113       99833 :             ret = copy_AuthorizationData(authenticator_ad,
     114       99833 :                                          p->nameattrs->authenticator_ad);
     115             :     }
     116             : 
     117      105398 :     if (ret == 0)
     118      105398 :         *principal = p;
     119             :     else
     120           0 :         krb5_free_principal(context, p);
     121      105398 :     return ret;
     122             : }
     123             : 
     124             : KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
     125       60257 : _krb5_kdcrep2krb5_principal(krb5_context context,
     126             :                             krb5_principal *principal,
     127             :                             const EncKDCRepPart *kdcrep)
     128             : {
     129        2243 :     krb5_error_code ret;
     130       60257 :     krb5_principal p = NULL;
     131             : 
     132       60257 :     *principal = NULL;
     133             : 
     134       62500 :     ret = _krb5_principalname2krb5_principal(context,
     135             :                                              &p,
     136             :                                              kdcrep->sname,
     137       60257 :                                              kdcrep->srealm);
     138       60257 :     if (ret == 0 &&
     139       60257 :         (p->nameattrs = calloc(1, sizeof(p->nameattrs[0]))) == NULL)
     140           0 :         ret = krb5_enomem(context);
     141       60257 :     if (ret == 0)
     142       60257 :         p->nameattrs->authenticated = 1;
     143       60257 :     if (ret == 0 &&
     144       60257 :         (p->nameattrs->source =
     145       60257 :          calloc(1, sizeof(p->nameattrs->source[0]))) == NULL)
     146           0 :         ret = krb5_enomem(context);
     147       60257 :     if (ret == 0) {
     148       60257 :         p->nameattrs->source->element =
     149             :             choice_PrincipalNameAttrSrc_enc_kdc_rep_part;
     150       60257 :         ret = copy_EncKDCRepPart(kdcrep,
     151       58014 :                                  &p->nameattrs->source->u.enc_kdc_rep_part);
     152             :         /* NOTE: we don't want to keep a copy of the session key here! */
     153       60257 :         if (ret == 0)
     154       60257 :             der_free_octet_string(&p->nameattrs->source->u.enc_kdc_rep_part.key.keyvalue);
     155             :     }
     156             : 
     157       60257 :     if (ret == 0)
     158       60257 :         *principal = p;
     159             :     else
     160           0 :         krb5_free_principal(context, p);
     161       60257 :     return ret;
     162             : }