/* $NetBSD: aeap.c,v 1.2 2017/01/28 21:31:46 christos Exp $ */
/*
* Copyright (c) 2008 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"
#include <krb5/roken.h>
OM_uint32 GSSAPI_CALLCONV
_gk_wrap_iov(OM_uint32 * minor_status,
gss_ctx_id_t context_handle,
int conf_req_flag,
gss_qop_t qop_req,
int * conf_state,
gss_iov_buffer_desc *iov,
int iov_count)
{
const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle;
krb5_context context;
OM_uint32 ret;
krb5_keyblock *key;
krb5_keytype keytype;
GSSAPI_KRB5_INIT (&context);
if (ctx->more_flags & IS_CFX)
return _gssapi_wrap_cfx_iov(minor_status, ctx, context,
conf_req_flag, conf_state,
iov, iov_count);
HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
ret = _gsskrb5i_get_token_key(ctx, context, &key);
HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
if (ret) {
*minor_status = ret;
return GSS_S_FAILURE;
}
krb5_enctype_to_keytype(context, key->keytype, &keytype);
switch (keytype) {
case KEYTYPE_ARCFOUR:
case KEYTYPE_ARCFOUR_56:
ret = _gssapi_wrap_iov_arcfour(minor_status, ctx, context,
conf_req_flag, conf_state,
iov, iov_count, key);
break;
default:
ret = GSS_S_FAILURE;
break;
}
krb5_free_keyblock(context, key);
return ret;
}
OM_uint32 GSSAPI_CALLCONV
_gk_unwrap_iov(OM_uint32 *minor_status,
gss_ctx_id_t context_handle,
int *conf_state,
gss_qop_t *qop_state,
gss_iov_buffer_desc *iov,
int iov_count)
{
const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle;
krb5_context context;
OM_uint32 ret;
krb5_keytype keytype;
krb5_keyblock *key;
GSSAPI_KRB5_INIT (&context);
if (ctx->more_flags & IS_CFX)
return _gssapi_unwrap_cfx_iov(minor_status, ctx, context,
conf_state, qop_state, iov, iov_count);
HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
ret = _gsskrb5i_get_token_key(ctx, context, &key);
HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
if (ret) {
*minor_status = ret;
return GSS_S_FAILURE;
}
krb5_enctype_to_keytype(context, key->keytype, &keytype);
switch (keytype) {
case KEYTYPE_ARCFOUR:
case KEYTYPE_ARCFOUR_56:
ret = _gssapi_unwrap_iov_arcfour(minor_status, ctx, context,
conf_state, qop_state,
iov, iov_count, key);
break;
default:
ret = GSS_S_FAILURE;
break;
}
krb5_free_keyblock(context, key);
return ret;
}
OM_uint32 GSSAPI_CALLCONV
_gk_wrap_iov_length(OM_uint32 * minor_status,
gss_ctx_id_t context_handle,
int conf_req_flag,
gss_qop_t qop_req,
int *conf_state,
gss_iov_buffer_desc *iov,
int iov_count)
{
const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle;
krb5_context context;
OM_uint32 ret;
krb5_keytype keytype;
krb5_keyblock *key;
GSSAPI_KRB5_INIT (&context);
if (ctx->more_flags & IS_CFX)
return _gssapi_wrap_iov_length_cfx(minor_status, ctx, context,
conf_req_flag, qop_req, conf_state,
iov, iov_count);
HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
ret = _gsskrb5i_get_token_key(ctx, context, &key);
HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
if (ret) {
*minor_status = ret;
return GSS_S_FAILURE;
}
krb5_enctype_to_keytype(context, key->keytype, &keytype);
switch (keytype) {
case KEYTYPE_ARCFOUR:
case KEYTYPE_ARCFOUR_56:
ret = _gssapi_wrap_iov_length_arcfour(minor_status, ctx, context,
conf_req_flag, qop_req, conf_state,
iov, iov_count);
break;
default:
ret = GSS_S_FAILURE;
break;
}
krb5_free_keyblock(context, key);
return ret;
}