userconf.cpp

source_code 实现无线局域网中的802.1x功能

/**************************************************************************/
/* WIRE1x Version 1.0: A client-side 802.1x implementation                */
/* based on xsupplicant of Open1x for Windows XP, 2000, 98, and Me        */
/*                                                                        */
/* This code is released under both the GPL version 2 and BSD licenses.   */
/* Either license may be used.  The respective licenses are found below.  */
/*                                                                        */
/* Copyright (C) 2004, WIRE Lab, National Tsing Hua Univ., Hsinchu, Taiwan*/
/* All Rights Reserved                                                    */
/**************************************************************************/

/**
 * A client-side 802.1x implementation supporting EAP/TLS
 *
 * This code is released under both the GPL version 2 and BSD licenses.
 * Either license may be used.  The respective licenses are found below.
 *
 * Copyright (C) 2002 Bryan D. Payne & Nick L. Petroni Jr.
 * All Rights Reserved
 *
 * --- GPL Version 2 License ---
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * --- BSD License ---
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - 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.
 *  - All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *       This product includes software developed by the University of
 *       Maryland at College Park and its contributors.
 *  - Neither the name of the University 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 <stdafx.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "userconf.h"


#ifndef DEBUG_USERCONF
#define DEBUG_USERCONF 0
#endif

struct userconf *user_settings=NULL;

void initalize_user_conf()
{
  user_settings = (struct userconf*)malloc(sizeof(struct userconf));

  // Set all of our values to NULL.
  user_settings->username = NULL;
  user_settings->password = NULL;
  user_settings->root_cert = NULL;
  user_settings->client_cert = NULL;
  user_settings->key_file = NULL;
  user_settings->auth = NULL;
  user_settings->preferred_auth = NULL;
  user_settings->client_type = NULL;
  user_settings->chunk_size = 1398;     // EAPTLS_MAX_SIZE from older code.
  user_settings->random_file = NULL;
  user_settings->first_auth = NULL;
  user_settings->after_auth = NULL;
}

char *get_username()
{
  char *return_val;

  if (user_settings->username == NULL) return NULL;

  return_val = (char *)malloc(strlen(user_settings->username)+1);
  strncpy(return_val, user_settings->username, strlen(user_settings->username)+1);

  return return_val;
}

void set_username(char *in_username)
{
  if (in_username != NULL)
    {

      if (user_settings->username != NULL)
	{
	  free(user_settings->username);
	  user_settings->username = NULL;
	  } 

      user_settings->username = (char *)malloc(strlen(in_username)+1);
      strncpy(user_settings->username, in_username, strlen(in_username)+1);
    } else {

    }
}

char *get_password()
{
  char *return_val;

  if (user_settings->password == NULL) return NULL;

  return_val = (char *)malloc(strlen(user_settings->password)+1);
  strncpy(return_val, user_settings->password, strlen(user_settings->password)+1);

  return return_val;
}

void set_password(char *in_password)
{
  if (in_password != NULL)
    {
      if (user_settings->password != NULL)
	{
	  free(user_settings->password);
	  user_settings->password = NULL;
	}

      user_settings->password = (char *)malloc(strlen(in_password)+1);
      strncpy(user_settings->password, in_password, strlen(in_password)+1);

    } else {

    }
}

char *get_client_type()
{
  char *return_val;

  if (user_settings->client_type == NULL) return NULL;

  return_val = (char *)malloc(strlen(user_settings->client_type)+1);
  strncpy(return_val, user_settings->client_type, strlen(user_settings->client_type)+1);

  return return_val;
}

char *get_after_auth()
{
  char *return_val;

  if (user_settings->after_auth == NULL) return NULL;

  return_val = (char *)malloc(strlen(user_settings->after_auth)+1);
  strncpy(return_val, user_settings->after_auth, strlen(user_settings->after_auth)+1);

  return return_val;
}

char *get_first_auth()
{
  char *return_val;

  if (user_settings->first_auth == NULL) return NULL;

  return_val = (char *)malloc(strlen(user_settings->first_auth)+1);
  strncpy(return_val, user_settings->first_auth, strlen(user_settings->first_auth)+1);

  return return_val;
}

void clean_user_conf()
{
  if (user_settings->username != NULL)  free(user_settings->username);
  if (user_settings->password != NULL)  free(user_settings->password);
  if (user_settings->root_cert != NULL)  free(user_settings->root_cert);
  if (user_settings->client_cert != NULL)  free(user_settings->client_cert);
  if (user_settings->key_file != NULL)  free(user_settings->key_file);
  if (user_settings->auth != NULL)  free(user_settings->auth);
  if (user_settings->preferred_auth != NULL)  free(user_settings->preferred_auth);
  if (user_settings->random_file != NULL) free(user_settings->random_file);
  if (user_settings->first_auth != NULL) free(user_settings->first_auth);
  if (user_settings->after_auth != NULL) free(user_settings->after_auth);

  free(user_settings);
}