146 lines
4.5 KiB
C
146 lines
4.5 KiB
C
/*
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* Copyright (c) 1999 - 2000 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "gssapi_locl.h"
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RCSID("$Id: export_sec_context.c,v 1.3 2000/07/08 11:42:22 assar Exp $");
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OM_uint32
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gss_export_sec_context (
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OM_uint32 * minor_status,
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gss_ctx_id_t * context_handle,
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gss_buffer_t interprocess_token
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)
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{
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krb5_storage *sp;
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krb5_auth_context ac;
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int ret;
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krb5_data data;
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gss_buffer_desc buffer;
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int flags;
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gssapi_krb5_init ();
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if (!((*context_handle)->flags & GSS_C_TRANS_FLAG))
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return GSS_S_UNAVAILABLE;
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sp = krb5_storage_emem ();
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if (sp == NULL) {
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*minor_status = ENOMEM;
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return GSS_S_FAILURE;
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}
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ac = (*context_handle)->auth_context;
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/* flagging included fields */
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flags = 0;
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if (ac->local_address)
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flags |= SC_LOCAL_ADDRESS;
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if (ac->remote_address)
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flags |= SC_REMOTE_ADDRESS;
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if (ac->keyblock)
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flags |= SC_KEYBLOCK;
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if (ac->local_subkey)
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flags |= SC_LOCAL_SUBKEY;
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if (ac->remote_subkey)
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flags |= SC_REMOTE_SUBKEY;
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krb5_store_int32 (sp, flags);
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/* marshall auth context */
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krb5_store_int32 (sp, ac->flags);
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if (ac->local_address)
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krb5_store_address (sp, *ac->local_address);
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if (ac->remote_address)
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krb5_store_address (sp, *ac->remote_address);
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krb5_store_int16 (sp, ac->local_port);
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krb5_store_int16 (sp, ac->remote_port);
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if (ac->keyblock)
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krb5_store_keyblock (sp, *ac->keyblock);
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if (ac->local_subkey)
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krb5_store_keyblock (sp, *ac->local_subkey);
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if (ac->remote_subkey)
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krb5_store_keyblock (sp, *ac->remote_subkey);
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krb5_store_int32 (sp, ac->local_seqnumber);
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krb5_store_int32 (sp, ac->remote_seqnumber);
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#if 0
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{
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size_t sz;
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unsigned char auth_buf[1024];
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ret = encode_Authenticator (auth_buf, sizeof(auth_buf),
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ac->authenticator, &sz);
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if (ret) {
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krb5_storage_free (sp);
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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data.data = auth_buf;
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data.length = sz;
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krb5_store_data (sp, data);
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}
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#endif
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krb5_store_int32 (sp, ac->keytype);
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krb5_store_int32 (sp, ac->cksumtype);
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/* names */
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gss_export_name (minor_status, (*context_handle)->source, &buffer);
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data.data = buffer.value;
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data.length = buffer.length;
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krb5_store_data (sp, data);
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gss_export_name (minor_status, (*context_handle)->target, &buffer);
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data.data = buffer.value;
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data.length = buffer.length;
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krb5_store_data (sp, data);
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krb5_store_int32 (sp, (*context_handle)->flags);
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krb5_store_int32 (sp, (*context_handle)->more_flags);
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ret = krb5_storage_to_data (sp, &data);
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krb5_storage_free (sp);
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if (ret) {
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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interprocess_token->length = data.length;
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interprocess_token->value = data.data;
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ret = gss_delete_sec_context (minor_status, context_handle,
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GSS_C_NO_BUFFER);
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if (ret != GSS_S_COMPLETE)
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gss_release_buffer (NULL, interprocess_token);
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return ret;
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}
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