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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
*/
/*
* glue routine for gss_export_sec_context
*/
#ifndef LEAN_CLIENT
#include <mechglueP.h>
#include "gssapiP_generic.h"
#include <stdio.h>
#include <errno.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <string.h>
static OM_uint32 val_exp_sec_ctx_args(
OM_uint32 *minor_status,
gss_ctx_id_t *context_handle,
gss_buffer_t interprocess_token)
{
/* Initialize outputs. */
if (minor_status != NULL)
*minor_status = 0;
if (interprocess_token != GSS_C_NO_BUFFER) {
interprocess_token->length = 0;
interprocess_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_READ | GSS_S_NO_CONTEXT);
if (interprocess_token == GSS_C_NO_BUFFER)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
return (GSS_S_COMPLETE);
}
OM_uint32
gss_export_sec_context(minor_status,
context_handle,
interprocess_token)
OM_uint32 *minor_status;
gss_ctx_id_t *context_handle;
gss_buffer_t interprocess_token;
{
OM_uint32 status;
OM_uint32 length;
gss_union_ctx_id_t ctx;
gss_mechanism mech;
gss_buffer_desc token;
char *buf;
status = val_exp_sec_ctx_args(minor_status,
context_handle, interprocess_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;
mech = __gss_get_mechanism(ctx->mech_type);
if (!mech)
return (GSS_S_BAD_MECH);
if (!mech->gss_export_sec_context)
return (GSS_S_UNAVAILABLE);
status = mech->gss_export_sec_context(mech->context, minor_status,
&ctx->internal_ctx_id, &token);
if (status != GSS_S_COMPLETE) {
map_error(minor_status, mech);
return (status);
}
length = token.length + 4 + ctx->mech_type->length;
interprocess_token->length = length;
interprocess_token->value = malloc(length);
if (interprocess_token->value == 0) {
(void) gss_release_buffer(minor_status, &token);
return (GSS_S_FAILURE);
}
buf = interprocess_token->value;
length = ctx->mech_type->length;
buf[3] = (unsigned char) (length & 0xFF);
length >>= 8;
buf[2] = (unsigned char) (length & 0xFF);
length >>= 8;
buf[1] = (unsigned char) (length & 0xFF);
length >>= 8;
buf[0] = (unsigned char) (length & 0xFF);
(void) memcpy(buf+4, ctx->mech_type->elements,
(size_t)ctx->mech_type->length);
(void) memcpy(buf+4+ctx->mech_type->length, token.value, token.length);
(void) gss_release_buffer(minor_status, &token);
free(ctx->mech_type->elements);
free(ctx->mech_type);
free(ctx);
*context_handle = 0;
return (GSS_S_COMPLETE);
}
#endif /*LEAN_CLIENT */
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