Subversion Repositories openrisc_2011-10-31

/*****************************************************************************

* pap.h -  PPP Password Authentication Protocol header file.

*

* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.

* portions Copyright (c) 1997 Global Election Systems Inc.

*

* The authors hereby grant permission to use, copy, modify, distribute,

* and license this software and its documentation for any purpose, provided

* that existing copyright notices are retained in all copies and that this

* notice and the following disclaimer are included verbatim in any

* distributions. No written agreement, license, or royalty fee is required

* for any of the authorized uses.

*

* THIS SOFTWARE IS PROVIDED BY THE 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 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.

*

******************************************************************************

* REVISION HISTORY

*

* 03-01-01 Marc Boucher <marc@mbsi.ca>

*   Ported to lwIP.

* 97-12-04 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.

*   Original derived from BSD codes.

*****************************************************************************/

/*

 * upap.h - User/Password Authentication Protocol definitions.

 *

 * Copyright (c) 1989 Carnegie Mellon University.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms are permitted

 * provided that the above copyright notice and this paragraph are

 * duplicated in all such forms and that any documentation,

 * advertising materials, and other materials related to such

 * distribution and use acknowledge that the software was developed

 * by Carnegie Mellon University.  The name of the

 * University may not be used to endorse or promote products derived

 * from this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED

 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.

 */

#ifndef PAP_H

#define PAP_H

#if PAP_SUPPORT /* don't build if not configured for use in lwipopts.h */

/*************************

*** PUBLIC DEFINITIONS ***

*************************/

/*

 * Packet header = Code, id, length.

 */

#define UPAP_HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))

/*

 * UPAP codes.

 */

#define UPAP_AUTHREQ 1 /* Authenticate-Request */

#define UPAP_AUTHACK 2 /* Authenticate-Ack */

#define UPAP_AUTHNAK 3 /* Authenticate-Nak */

/*

 * Client states.

 */

#define UPAPCS_INITIAL 0 /* Connection down */

#define UPAPCS_CLOSED  1 /* Connection up, haven't requested auth */

#define UPAPCS_PENDING 2 /* Connection down, have requested auth */

#define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */

#define UPAPCS_OPEN    4 /* We've received an Ack */

#define UPAPCS_BADAUTH 5 /* We've received a Nak */

/*

 * Server states.

 */

#define UPAPSS_INITIAL 0 /* Connection down */

#define UPAPSS_CLOSED  1 /* Connection up, haven't requested auth */

#define UPAPSS_PENDING 2 /* Connection down, have requested auth */

#define UPAPSS_LISTEN  3 /* Listening for an Authenticate */

#define UPAPSS_OPEN    4 /* We've sent an Ack */

#define UPAPSS_BADAUTH 5 /* We've sent a Nak */

/************************

*** PUBLIC DATA TYPES ***

************************/

/*

 * Each interface is described by upap structure.

 */

typedef struct upap_state {

  int us_unit;           /* Interface unit number */

  const char *us_user;   /* User */

  int us_userlen;        /* User length */

  const char *us_passwd; /* Password */

  int us_passwdlen;      /* Password length */

  int us_clientstate;    /* Client state */

  int us_serverstate;    /* Server state */

  u_char us_id;          /* Current id */

  int us_timeouttime;    /* Timeout (seconds) for auth-req retrans. */

  int us_transmits;      /* Number of auth-reqs sent */

  int us_maxtransmits;   /* Maximum number of auth-reqs to send */

  int us_reqtimeout;     /* Time to wait for auth-req from peer */

} upap_state;

/***********************

*** PUBLIC FUNCTIONS ***

***********************/

extern upap_state upap[];

void upap_setloginpasswd(int unit, const char *luser, const char *lpassword);

void upap_authwithpeer  (int, char *, char *);

void upap_authpeer      (int);

extern struct protent pap_protent;

#endif /* PAP_SUPPORT */

#endif /* PAP_H */