/*
 * Copyright (c) 1998-2001, Robert O'Callahan
 * (C) 2004-2019 TeraTerm Project
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
 */

/*
This code is copyright (C) 1998-1999 Robert O'Callahan.
See LICENSE.TXT for the license.
*/

#ifndef __AUTH_H
#define __AUTH_H

#include <stdio.h>

typedef struct {
  SSHAuthMethod method;
  char *password;
  char *rhosts_client_user;
  struct Key *key_pair;
} AUTHCred;

typedef enum { GENERIC_AUTH_MODE, TIS_AUTH_MODE } AuthMode;

typedef struct {
  char *user;
  AUTHCred cur_cred;
  SSHAuthMethod failed_method;
  int flags;
  int supported_types;
  HWND auth_dialog;

  AuthMode mode;
  char *TIS_prompt;
  int echo;
} AUTHState;

void AUTH_init(PTInstVar pvar);
char *AUTH_get_user_name(PTInstVar pvar);
int AUTH_set_supported_auth_types(PTInstVar pvar, int types);
void AUTH_set_generic_mode(PTInstVar pvar);
void AUTH_set_TIS_mode(PTInstVar pvar, char *prompt, int len, int echo);
void AUTH_advance_to_next_cred(PTInstVar pvar);
void AUTH_do_cred_dialog(PTInstVar pvar);
void AUTH_do_default_cred_dialog(PTInstVar pvar);
void AUTH_destroy_cur_cred(PTInstVar pvar);
void AUTH_get_auth_info(PTInstVar pvar, char *dest, int len);
void AUTH_notify_disconnecting(PTInstVar pvar);
void AUTH_notify_end_error(PTInstVar pvar);
void AUTH_notify_closing_on_exit(PTInstVar pvar);
void AUTH_end(PTInstVar pvar);
void destroy_malloced_string(char **str);
void init_password_control(PTInstVar pvar, HWND dlg, int item, BOOL *UseControlChar);

#define AUTH_get_cur_cred(pvar) (&(pvar)->auth_state.cur_cred)

#endif
