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/*
* Copyright (c) 2004, PADL Software Pty Ltd.
* 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 PADL Software 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 PADL SOFTWARE 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 PADL SOFTWARE 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.
*/
/* $Id$ */
#ifndef SPNEGO_LOCL_H
#define SPNEGO_LOCL_H
#include <config.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <roken.h>
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#endif
#include <krb5.h>
#include <gssapi.h>
#include <gssapi_krb5.h>
#include <gssapi_spnego.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#include <heim_threads.h>
#include <heimqueue.h>
#include <asn1_err.h>
#include <gssapi_mech.h>
#include "spnego_asn1.h"
#include "negoex_locl.h"
#include "utils.h"
#include <der.h>
#include <heimbase.h>
#define ALLOC(X, N) (X) = calloc((N), sizeof(*(X)))
#define CHECK(ret, x) do { (ret) = (x); if (ret) goto fail; } while (0)
struct gssspnego_ctx_desc;
typedef struct gssspnego_ctx_desc *gssspnego_ctx;
typedef OM_uint32
(*gssspnego_initiator_state)(OM_uint32 * minor_status,
gss_const_cred_id_t cred,
gssspnego_ctx ctx,
gss_const_name_t name,
gss_const_OID mech_type,
OM_uint32 req_flags,
OM_uint32 time_req,
const gss_channel_bindings_t input_chan_bindings,
gss_const_buffer_t input_token,
gss_buffer_t output_token,
OM_uint32 * ret_flags,
OM_uint32 * time_rec);
struct gssspnego_ctx_desc {
gss_buffer_desc NegTokenInit_mech_types;
gss_OID preferred_mech_type;
gss_OID selected_mech_type;
gss_OID negotiated_mech_type;
gss_ctx_id_t negotiated_ctx_id;
OM_uint32 mech_flags;
OM_uint32 mech_time_rec;
gss_name_t mech_src_name;
struct spnego_flags {
unsigned int open : 1;
unsigned int local : 1;
unsigned int require_mic : 1;
unsigned int peer_require_mic : 1;
unsigned int sent_mic : 1;
unsigned int verified_mic : 1;
unsigned int safe_omit : 1;
unsigned int maybe_open : 1;
unsigned int seen_supported_mech : 1;
} flags;
HEIMDAL_MUTEX ctx_id_mutex;
gss_name_t target_name;
gssspnego_initiator_state initiator_state;
uint8_t negoex_step;
krb5_storage *negoex_transcript;
uint32_t negoex_seqnum;
conversation_id negoex_conv_id;
HEIM_TAILQ_HEAD(negoex_mech_list, negoex_auth_mech) negoex_mechs;
};
extern gss_OID_desc _gss_spnego_mskrb_mechanism_oid_desc;
struct gssspnego_optimistic_ctx {
gssspnego_ctx spnegoctx;
OM_uint32 req_flags;
gss_name_t target_name;
OM_uint32 time_req;
gss_channel_bindings_t input_chan_bindings;
/* out */
gss_OID preferred_mech_type;
gss_OID negotiated_mech_type;
gss_buffer_desc optimistic_token;
OM_uint32 optimistic_flags, optimistic_time_rec;
gss_ctx_id_t gssctx;
int complete;
auth_scheme scheme;
};
#include "spnego-private.h"
static inline int
gssspnego_ctx_complete_p(gssspnego_ctx ctx)
{
return ctx->flags.open &&
(ctx->flags.safe_omit || (ctx->flags.sent_mic && ctx->flags.verified_mic));
}
#endif /* SPNEGO_LOCL_H */
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