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/*-
* Copyright (c) 2007 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.
*/
/* $FreeBSD$ */
/* $Id: gss_pseudo_random.c 20053 2007-01-24 01:31:35Z lha $ */
#include <gssapi/gssapi.h>
#include "mech_switch.h"
#include "context.h"
#include "utils.h"
OM_uint32
gss_pseudo_random(OM_uint32 *minor_status,
gss_ctx_id_t context,
int prf_key,
const gss_buffer_t prf_in,
ssize_t desired_output_len,
gss_buffer_t prf_out)
{
struct _gss_context *ctx = (struct _gss_context *) context;
struct _gss_mech_switch *m;
OM_uint32 major_status;
_gss_buffer_zero(prf_out);
*minor_status = 0;
if (ctx == NULL) {
*minor_status = 0;
return GSS_S_NO_CONTEXT;
}
m = ctx->gc_mech;
if (m->gm_pseudo_random == NULL)
return GSS_S_UNAVAILABLE;
major_status = (*m->gm_pseudo_random)(minor_status, ctx->gc_ctx,
prf_key, prf_in, desired_output_len,
prf_out);
if (major_status != GSS_S_COMPLETE)
_gss_mg_error(m, major_status, *minor_status);
return major_status;
}
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