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 #ifdef __cplusplus 54 extern "C" { 55 #endif 56 57 /* 58 * Packet header = Code, id, length. 59 */ 60 #define UPAP_HEADERLEN 4 61 62 63 /* 64 * UPAP codes. 65 */ 66 #define UPAP_AUTHREQ 1 /* Authenticate-Request */ 67 #define UPAP_AUTHACK 2 /* Authenticate-Ack */ 68 #define UPAP_AUTHNAK 3 /* Authenticate-Nak */ 69 70 71 /* 72 * Client states. 73 */ 74 #define UPAPCS_INITIAL 0 /* Connection down */ 75 #define UPAPCS_CLOSED 1 /* Connection up, haven't requested auth */ 76 #define UPAPCS_PENDING 2 /* Connection down, have requested auth */ 77 #define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */ 78 #define UPAPCS_OPEN 4 /* We've received an Ack */ 79 #define UPAPCS_BADAUTH 5 /* We've received a Nak */ 80 81 /* 82 * Server states. 83 */ 84 #define UPAPSS_INITIAL 0 /* Connection down */ 85 #define UPAPSS_CLOSED 1 /* Connection up, haven't requested auth */ 86 #define UPAPSS_PENDING 2 /* Connection down, have requested auth */ 87 #define UPAPSS_LISTEN 3 /* Listening for an Authenticate */ 88 #define UPAPSS_OPEN 4 /* We've sent an Ack */ 89 #define UPAPSS_BADAUTH 5 /* We've sent a Nak */ 90 91 92 /* 93 * Timeouts. 94 */ 95 #if 0 /* moved to ppp_opts.h */ 96 #define UPAP_DEFTIMEOUT 3 /* Timeout (seconds) for retransmitting req */ 97 #define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ 98 #endif /* moved to ppp_opts.h */ 99 100 /* 101 * Each interface is described by upap structure. 102 */ 103 #if PAP_SUPPORT 104 typedef struct upap_state { 105 const char *us_user; /* User */ 106 u8_t us_userlen; /* User length */ 107 const char *us_passwd; /* Password */ 108 u8_t us_passwdlen; /* Password length */ 109 u8_t us_clientstate; /* Client state */ 110 #if PPP_SERVER 111 u8_t us_serverstate; /* Server state */ 112 #endif /* PPP_SERVER */ 113 u8_t us_id; /* Current id */ 114 u8_t us_transmits; /* Number of auth-reqs sent */ 115 } upap_state; 116 #endif /* PAP_SUPPORT */ 117 118 119 void upap_authwithpeer(ppp_pcb *pcb, const char *user, const char *password); 120 #if PPP_SERVER 121 void upap_authpeer(ppp_pcb *pcb); 122 #endif /* PPP_SERVER */ 123 124 extern const struct protent pap_protent; 125 126 #ifdef __cplusplus 127 } 128 #endif 129 130 #endif /* UPAP_H */ 131 #endif /* PPP_SUPPORT && PAP_SUPPORT */ 132