/****************************************************************************** auth.h -  PPP Authentication and phase control header file.** Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.* portions Copyright (c) 1998 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 <lancasterg@acm.org>, Global Election Systems Inc.*	Original derived from BSD pppd.h.*****************************************************************************//* * pppd.h - PPP daemon global declarations. * * 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 AUTH_H#define AUTH_H/************************** PUBLIC FUNCTIONS **************************/void link_required (int);		/* we are starting to use the link */void link_terminated (int);	/* we are finished with the link */void link_down (int);			/* the LCP layer has left the Opened state */void link_established (int);	/* the link is up; authenticate now */void np_up (int, u16_t);			/* a network protocol has come up */void np_down (int, u16_t);		/* a network protocol has gone down */void np_finished (int, u16_t);	/* a network protocol no longer needs link */void auth_peer_fail (int, u16_t);/* peer failed to authenticate itself *//* peer successfully authenticated itself */void auth_peer_success (int, u16_t, char *, int);/* we failed to authenticate ourselves */void auth_withpeer_fail (int, u16_t);/* we successfully authenticated ourselves */void auth_withpeer_success (int, u16_t);/* check authentication options supplied */void auth_check_options (void);void auth_reset (int);			/* check what secrets we have *//* Check peer-supplied username/password */int  check_passwd (int, char *, int, char *, int, char **, int *);/* get "secret" for chap */int  get_secret (int, char *, char *, char *, int *, int);/* check if IP address is authorized */int  auth_ip_addr (int, u32_t);/* check if IP address is unreasonable */int  bad_ip_adrs (u32_t);#endif /* AUTH_H */