/*
 * Copyright (c) 2006 - 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.
 */

/* $Id$ */

#ifndef NTLM_NTLM_H
#define NTLM_NTLM_H

#include <config.h>

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <errno.h>

#include <roken.h>

#include <gssapi.h>
#include <gssapi_ntlm.h>
#include <gssapi_mech.h>
#include <gssapi_oid.h>

#include <krb5.h>
#include <kcm.h>
#include <heim_threads.h>

#include <heimntlm.h>

#define HC_DEPRECATED_CRYPTO
#include "crypto-headers.h"

typedef OM_uint32
(*ntlm_interface_init)(OM_uint32 *, void **);

typedef OM_uint32
(*ntlm_interface_destroy)(OM_uint32 *, void *);

typedef int
(*ntlm_interface_probe)(OM_uint32 *, void *, const char *);

typedef OM_uint32
(*ntlm_interface_type2)(OM_uint32 *, void *, uint32_t, const char *,
                        const char *, uint32_t *, struct ntlm_buf *);

typedef OM_uint32
(*ntlm_interface_type3)(OM_uint32 *, void *, const struct ntlm_type3 *,
                        struct ntlm_buf *);

typedef void
(*ntlm_interface_free_buffer)(struct ntlm_buf *);

struct ntlm_server_interface {
    ntlm_interface_init nsi_init;
    ntlm_interface_destroy nsi_destroy;
    ntlm_interface_probe nsi_probe;
    ntlm_interface_type2 nsi_type2;
    ntlm_interface_type3 nsi_type3;
    ntlm_interface_free_buffer nsi_free_buffer;
};


struct ntlmv2_key {
    uint32_t seq;
    RC4_KEY sealkey;
    RC4_KEY *signsealkey;
    unsigned char signkey[16];
};

extern struct ntlm_server_interface ntlmsspi_kdc_digest;

typedef struct ntlm_cred {
    gss_cred_usage_t usage;
    char *username;
    char *domain;
    struct ntlm_buf key;
} *ntlm_cred;

typedef struct {
    struct ntlm_server_interface *server;
    void *ictx;
    ntlm_cred client;
    OM_uint32 gssflags;
    uint32_t kcmflags;
    uint32_t flags;
    uint32_t status;
#define STATUS_OPEN 1
#define STATUS_CLIENT 2
#define STATUS_SESSIONKEY 4
    krb5_data sessionkey;

    gss_buffer_desc pac;

    union {
        struct {
            struct {
                uint32_t seq;
                RC4_KEY key;
            } crypto_send, crypto_recv;
        } v1;
        struct {
            struct ntlmv2_key send, recv;
        } v2;
    } u;
} *ntlm_ctx;

typedef struct {
    char *user;
    char *domain;
} *ntlm_name;

#include <ntlm-private.h>


#endif /* NTLM_NTLM_H */