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/*
* Copyright (c) 1999 - 2000 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "gssapi_locl.h"
RCSID("$Id: export_sec_context.c,v 1.2 2000/02/12 21:25:24 assar Exp $");
OM_uint32
gss_export_sec_context (
OM_uint32 * minor_status,
gss_ctx_id_t * context_handle,
gss_buffer_t interprocess_token
)
{
krb5_storage *sp;
krb5_auth_context ac;
unsigned char auth_buf[1024];
size_t sz;
int ret;
krb5_data data;
gss_buffer_desc buffer;
int flags;
gssapi_krb5_init ();
if (!((*context_handle)->flags & GSS_C_TRANS_FLAG))
return GSS_S_UNAVAILABLE;
sp = krb5_storage_emem ();
if (sp == NULL) {
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
ac = (*context_handle)->auth_context;
/* flagging included fields */
flags = 0;
if (ac->local_address)
flags |= SC_LOCAL_ADDRESS;
if (ac->remote_address)
flags |= SC_REMOTE_ADDRESS;
if (ac->keyblock)
flags |= SC_KEYBLOCK;
if (ac->local_subkey)
flags |= SC_LOCAL_SUBKEY;
if (ac->remote_subkey)
flags |= SC_REMOTE_SUBKEY;
krb5_store_int32 (sp, flags);
/* marshall auth context */
krb5_store_int32 (sp, ac->flags);
if (ac->local_address)
krb5_store_address (sp, *ac->local_address);
if (ac->remote_address)
krb5_store_address (sp, *ac->remote_address);
krb5_store_int16 (sp, ac->local_port);
krb5_store_int16 (sp, ac->remote_port);
if (ac->keyblock)
krb5_store_keyblock (sp, *ac->keyblock);
if (ac->local_subkey)
krb5_store_keyblock (sp, *ac->local_subkey);
if (ac->remote_subkey)
krb5_store_keyblock (sp, *ac->remote_subkey);
krb5_store_int32 (sp, ac->local_seqnumber);
krb5_store_int32 (sp, ac->remote_seqnumber);
#if 0
ret = encode_Authenticator (auth_buf, sizeof(auth_buf),
ac->authenticator, &sz);
if (ret) {
krb5_storage_free (sp);
*minor_status = ret;
return GSS_S_FAILURE;
}
data.data = auth_buf;
data.length = sz;
krb5_store_data (sp, data);
#endif
krb5_store_int32 (sp, ac->keytype);
krb5_store_int32 (sp, ac->cksumtype);
/* names */
gss_export_name (minor_status, (*context_handle)->source, &buffer);
data.data = buffer.value;
data.length = buffer.length;
krb5_store_data (sp, data);
gss_export_name (minor_status, (*context_handle)->target, &buffer);
data.data = buffer.value;
data.length = buffer.length;
krb5_store_data (sp, data);
krb5_store_int32 (sp, (*context_handle)->flags);
krb5_store_int32 (sp, (*context_handle)->more_flags);
ret = krb5_storage_to_data (sp, &data);
krb5_storage_free (sp);
if (ret) {
*minor_status = ret;
return GSS_S_FAILURE;
}
interprocess_token->length = data.length;
interprocess_token->value = data.data;
ret = gss_delete_sec_context (minor_status, context_handle,
GSS_C_NO_BUFFER);
if (ret != GSS_S_COMPLETE)
gss_release_buffer (NULL, interprocess_token);
return ret;
}
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