process_context_token.c

/*
 * Copyright (c) 2003 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 "gsskrb5_locl.h"

OM_uint32 GSSAPI_CALLCONV _gsskrb5_process_context_token (
	OM_uint32          *minor_status,
	const gss_ctx_id_t context_handle,
	const gss_buffer_t token_buffer
    )
{
    krb5_context context;
    OM_uint32 ret = GSS_S_FAILURE;
    gss_buffer_desc empty_buffer;

    empty_buffer.length = 0;
    empty_buffer.value = NULL;

    GSSAPI_KRB5_INIT (&context);

    ret = _gsskrb5_verify_mic_internal(minor_status,
				       (gsskrb5_ctx)context_handle,
				       context,
				       token_buffer, &empty_buffer,
				       GSS_C_QOP_DEFAULT,
				       "\x01\x02");

    if (ret == GSS_S_COMPLETE)
	ret = _gsskrb5_delete_sec_context(minor_status,
					  rk_UNCONST(&context_handle),
					  GSS_C_NO_BUFFER);
    if (ret == GSS_S_COMPLETE)
	*minor_status = 0;

    return ret;
}