1/* 2 * upap.h - User/Password Authentication Protocol definitions. 3 * 4 * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * 3. The name "Carnegie Mellon University" must not be used to 19 * endorse or promote products derived from this software without 20 * prior written permission. For permission or any legal 21 * details, please contact 22 * Office of Technology Transfer 23 * Carnegie Mellon University 24 * 5000 Forbes Avenue 25 * Pittsburgh, PA 15213-3890 26 * (412) 268-4387, fax: (412) 268-7395 27 * tech-transfer@andrew.cmu.edu 28 * 29 * 4. Redistributions of any form whatsoever must retain the following 30 * acknowledgment: 31 * "This product includes software developed by Computing Services 32 * at Carnegie Mellon University (http://www.cmu.edu/computing/)." 33 * 34 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO 35 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 36 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE 37 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 38 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 39 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 40 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 41 * 42 * $Id: upap.h,v 1.8 2002/12/04 23:03:33 paulus Exp $ 43 */ 44 45#include "netif/ppp/ppp_opts.h" 46#if PPP_SUPPORT && PAP_SUPPORT /* don't build if not configured for use in lwipopts.h */ 47 48#ifndef UPAP_H 49#define UPAP_H 50 51#include "ppp.h" 52 53/* 54 * Packet header = Code, id, length. 55 */ 56#define UPAP_HEADERLEN 4 57 58 59/* 60 * UPAP codes. 61 */ 62#define UPAP_AUTHREQ 1 /* Authenticate-Request */ 63#define UPAP_AUTHACK 2 /* Authenticate-Ack */ 64#define UPAP_AUTHNAK 3 /* Authenticate-Nak */ 65 66 67/* 68 * Client states. 69 */ 70#define UPAPCS_INITIAL 0 /* Connection down */ 71#define UPAPCS_CLOSED 1 /* Connection up, haven't requested auth */ 72#define UPAPCS_PENDING 2 /* Connection down, have requested auth */ 73#define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */ 74#define UPAPCS_OPEN 4 /* We've received an Ack */ 75#define UPAPCS_BADAUTH 5 /* We've received a Nak */ 76 77/* 78 * Server states. 79 */ 80#define UPAPSS_INITIAL 0 /* Connection down */ 81#define UPAPSS_CLOSED 1 /* Connection up, haven't requested auth */ 82#define UPAPSS_PENDING 2 /* Connection down, have requested auth */ 83#define UPAPSS_LISTEN 3 /* Listening for an Authenticate */ 84#define UPAPSS_OPEN 4 /* We've sent an Ack */ 85#define UPAPSS_BADAUTH 5 /* We've sent a Nak */ 86 87 88/* 89 * Timeouts. 90 */ 91#if 0 /* moved to ppp_opts.h */ 92#define UPAP_DEFTIMEOUT 3 /* Timeout (seconds) for retransmitting req */ 93#define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ 94#endif /* moved to ppp_opts.h */ 95 96/* 97 * Each interface is described by upap structure. 98 */ 99#if PAP_SUPPORT 100typedef struct upap_state { 101 const char *us_user; /* User */ 102 u8_t us_userlen; /* User length */ 103 const char *us_passwd; /* Password */ 104 u8_t us_passwdlen; /* Password length */ 105 u8_t us_clientstate; /* Client state */ 106#if PPP_SERVER 107 u8_t us_serverstate; /* Server state */ 108#endif /* PPP_SERVER */ 109 u8_t us_id; /* Current id */ 110 u8_t us_transmits; /* Number of auth-reqs sent */ 111} upap_state; 112#endif /* PAP_SUPPORT */ 113 114 115void upap_authwithpeer(ppp_pcb *pcb, const char *user, const char *password); 116#if PPP_SERVER 117void upap_authpeer(ppp_pcb *pcb); 118#endif /* PPP_SERVER */ 119 120extern const struct protent pap_protent; 121 122#endif /* UPAP_H */ 123#endif /* PPP_SUPPORT && PAP_SUPPORT */ 124