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/* #pragma ident "@(#)g_delete_sec_context.c 1.11 97/11/09 SMI" */
/*
* Copyright 1996 by Sun Microsystems, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appears in all copies and
* that both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of Sun Microsystems not be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. Sun Microsystems makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* glue routine for gss_delete_sec_context
*/
#include "mglueP.h"
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
static OM_uint32
val_del_sec_ctx_args(
OM_uint32 *minor_status,
gss_ctx_id_t *context_handle,
gss_buffer_t output_token)
{
/* Initialize outputs. */
if (minor_status != NULL)
*minor_status = 0;
if (output_token != GSS_C_NO_BUFFER) {
output_token->length = 0;
output_token->value = NULL;
}
/* Validate arguments. */
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT)
return (GSS_S_CALL_INACCESSIBLE_WRITE | GSS_S_NO_CONTEXT);
return (GSS_S_COMPLETE);
}
OM_uint32 KRB5_CALLCONV
gss_delete_sec_context (minor_status,
context_handle,
output_token)
OM_uint32 * minor_status;
gss_ctx_id_t * context_handle;
gss_buffer_t output_token;
{
OM_uint32 status;
gss_union_ctx_id_t ctx;
status = val_del_sec_ctx_args(minor_status, context_handle, output_token);
if (status != GSS_S_COMPLETE)
return (status);
/*
* select the approprate underlying mechanism routine and
* call it.
*/
ctx = (gss_union_ctx_id_t) *context_handle;
if (GSSINT_CHK_LOOP(ctx))
return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
status = gssint_delete_internal_sec_context(minor_status,
ctx->mech_type,
&ctx->internal_ctx_id,
output_token);
if (status)
return status;
/* now free up the space for the union context structure */
free(ctx->mech_type->elements);
free(ctx->mech_type);
free(*context_handle);
*context_handle = GSS_C_NO_CONTEXT;
return (GSS_S_COMPLETE);
}
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