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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 gss_export_sec_context
*/
#ifndef LEAN_CLIENT
#include <mechglueP.h>
#include "gssapiP_generic.h"
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
static OM_uint32
val_imp_sec_ctx_args(
OM_uint32 *minor_status,
gss_buffer_t interprocess_token,
gss_ctx_id_t *context_handle)
{
/* Initialize outputs. */
if (minor_status != NULL)
*minor_status = 0;
if (context_handle != NULL)
*context_handle = GSS_C_NO_CONTEXT;
/* Validate arguments. */
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
if (context_handle == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
if (interprocess_token == GSS_C_NO_BUFFER)
return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_DEFECTIVE_TOKEN);
if (GSS_EMPTY_BUFFER(interprocess_token))
return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_DEFECTIVE_TOKEN);
return (GSS_S_COMPLETE);
}
OM_uint32
gss_import_sec_context(minor_status,
interprocess_token,
context_handle)
OM_uint32 * minor_status;
const gss_buffer_t interprocess_token;
gss_ctx_id_t *context_handle;
{
OM_uint32 length = 0;
OM_uint32 status;
char *p;
gss_union_ctx_id_t ctx;
gss_buffer_desc token;
gss_mechanism mech;
status = val_imp_sec_ctx_args(minor_status,
interprocess_token, context_handle);
if (status != GSS_S_COMPLETE)
return (status);
/* Initial value needed below. */
status = GSS_S_FAILURE;
ctx = (gss_union_ctx_id_t)malloc(sizeof (gss_union_ctx_id_desc));
if (!ctx)
return (GSS_S_FAILURE);
ctx->mech_type = (gss_OID) malloc(sizeof (gss_OID_desc));
if (!ctx->mech_type) {
free(ctx);
return (GSS_S_FAILURE);
}
if (interprocess_token->length >= sizeof (OM_uint32)) {
p = interprocess_token->value;
length = (OM_uint32)*p++;
length = (OM_uint32)(length << 8) + *p++;
length = (OM_uint32)(length << 8) + *p++;
length = (OM_uint32)(length << 8) + *p++;
}
if (length == 0 ||
length > (interprocess_token->length - sizeof (OM_uint32))) {
free(ctx);
return (GSS_S_CALL_BAD_STRUCTURE | GSS_S_DEFECTIVE_TOKEN);
}
ctx->mech_type->length = length;
ctx->mech_type->elements = malloc(length);
if (!ctx->mech_type->elements) {
goto error_out;
}
(void) memcpy(ctx->mech_type->elements, p, length);
p += length;
token.length = interprocess_token->length - sizeof (OM_uint32) - length;
token.value = p;
/*
* select the approprate underlying mechanism routine and
* call it.
*/
mech = __gss_get_mechanism(ctx->mech_type);
if (!mech) {
status = GSS_S_BAD_MECH;
goto error_out;
}
if (!mech->gss_import_sec_context) {
status = GSS_S_UNAVAILABLE;
goto error_out;
}
status = mech->gss_import_sec_context(mech->context, minor_status,
&token, &ctx->internal_ctx_id);
if (status == GSS_S_COMPLETE) {
*context_handle = (gss_ctx_id_t)ctx;
return (GSS_S_COMPLETE);
}
map_error(minor_status, mech);
error_out:
if (ctx) {
if (ctx->mech_type) {
if (ctx->mech_type->elements)
free(ctx->mech_type->elements);
free(ctx->mech_type);
}
free(ctx);
}
return (status);
}
#endif /* LEAN_CLIENT */
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