crypto/external/bsd/heimdal/dist/lib/krb5/convert_creds.c

   1 /*      $NetBSD: convert_creds.c,v 1.1.1.2 2014/04/24 12:45:49 pettai Exp $     */
   2
   3 /*
   4  * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "krb5_locl.h"
  37 #include <krb5/krb5-v4compat.h>
  38
  39 #ifndef HEIMDAL_SMALLER
  40
  41 /**
  42  * Convert the v5 credentials in in_cred to v4-dito in v4creds.  This
  43  * is done by sending them to the 524 function in the KDC.  If
  44  * `in_cred' doesn't contain a DES session key, then a new one is
  45  * gotten from the KDC and stored in the cred cache `ccache'.
  46  *
  47  * @param context Kerberos 5 context.
  48  * @param in_cred the credential to convert
  49  * @param v4creds the converted credential
  50  *
  51  * @return Returns 0 to indicate success. Otherwise an kerberos et
  52  * error code is returned, see krb5_get_error_message().
  53  *
  54  * @ingroup krb5_v4compat
  55  */
  56
  57 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
  58 krb524_convert_creds_kdc(krb5_context context,
  59                          krb5_creds *in_cred,
  60                          struct credentials *v4creds)
  61     KRB5_DEPRECATED_FUNCTION("Use X instead")
  62 {
  63     memset(v4creds, 0, sizeof(*v4creds));
  64     krb5_set_error_message(context, EINVAL,
  65                            N_("krb524_convert_creds_kdc not supported", ""));
  66     return EINVAL;
  67 }
  68
  69 /**
  70  * Convert the v5 credentials in in_cred to v4-dito in v4creds,
  71  * check the credential cache ccache before checking with the KDC.
  72  *
  73  * @param context Kerberos 5 context.
  74  * @param ccache credential cache used to check for des-ticket.
  75  * @param in_cred the credential to convert
  76  * @param v4creds the converted credential
  77  *
  78  * @return Returns 0 to indicate success. Otherwise an kerberos et
  79  * error code is returned, see krb5_get_error_message().
  80  *
  81  * @ingroup krb5_v4compat
  82  */
  83
  84 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
  85 krb524_convert_creds_kdc_ccache(krb5_context context,
  86                                 krb5_ccache ccache,
  87                                 krb5_creds *in_cred,
  88                                 struct credentials *v4creds)
  89     KRB5_DEPRECATED_FUNCTION("Use X instead")
  90 {
  91     memset(v4creds, 0, sizeof(*v4creds));
  92     krb5_set_error_message(context, EINVAL,
  93                            N_("krb524_convert_creds_kdc_ccache not supported", ""));
  94     return EINVAL;
  95 }
  96
  97 #endif