| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * upap.h - User/Password Authentication Protocol definitions. |
| 3 | * |
| 4 | * Copyright (c) 1989 Carnegie Mellon University. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms are permitted |
| 8 | * provided that the above copyright notice and this paragraph are |
| 9 | * duplicated in all such forms and that any documentation, |
| 10 | * advertising materials, and other materials related to such |
| 11 | * distribution and use acknowledge that the software was developed |
| 12 | * by Carnegie Mellon University. The name of the |
| 13 | * University may not be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
| 16 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
| 17 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 18 | * |
| 19 | * $Id: upap.h,v 1.1 2008-08-04 06:11:51 winfred Exp $ |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * Packet header = Code, id, length. |
| 24 | */ |
| 25 | #define UPAP_HEADERLEN 4 |
| 26 | |
| 27 | |
| 28 | /* |
| 29 | * UPAP codes. |
| 30 | */ |
| 31 | #define UPAP_AUTHREQ 1 /* Authenticate-Request */ |
| 32 | #define UPAP_AUTHACK 2 /* Authenticate-Ack */ |
| 33 | #define UPAP_AUTHNAK 3 /* Authenticate-Nak */ |
| 34 | |
| 35 | |
| 36 | /* |
| 37 | * Each interface is described by upap structure. |
| 38 | */ |
| 39 | typedef struct upap_state { |
| 40 | int us_unit; /* Interface unit number */ |
| 41 | char *us_user; /* User */ |
| 42 | int us_userlen; /* User length */ |
| 43 | char *us_passwd; /* Password */ |
| 44 | int us_passwdlen; /* Password length */ |
| 45 | int us_clientstate; /* Client state */ |
| 46 | int us_serverstate; /* Server state */ |
| 47 | u_char us_id; /* Current id */ |
| 48 | int us_timeouttime; /* Timeout (seconds) for auth-req retrans. */ |
| 49 | int us_transmits; /* Number of auth-reqs sent */ |
| 50 | int us_maxtransmits; /* Maximum number of auth-reqs to send */ |
| 51 | int us_reqtimeout; /* Time to wait for auth-req from peer */ |
| 52 | } upap_state; |
| 53 | |
| 54 | |
| 55 | /* |
| 56 | * Client states. |
| 57 | */ |
| 58 | #define UPAPCS_INITIAL 0 /* Connection down */ |
| 59 | #define UPAPCS_CLOSED 1 /* Connection up, haven't requested auth */ |
| 60 | #define UPAPCS_PENDING 2 /* Connection down, have requested auth */ |
| 61 | #define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */ |
| 62 | #define UPAPCS_OPEN 4 /* We've received an Ack */ |
| 63 | #define UPAPCS_BADAUTH 5 /* We've received a Nak */ |
| 64 | |
| 65 | /* |
| 66 | * Server states. |
| 67 | */ |
| 68 | #define UPAPSS_INITIAL 0 /* Connection down */ |
| 69 | #define UPAPSS_CLOSED 1 /* Connection up, haven't requested auth */ |
| 70 | #define UPAPSS_PENDING 2 /* Connection down, have requested auth */ |
| 71 | #define UPAPSS_LISTEN 3 /* Listening for an Authenticate */ |
| 72 | #define UPAPSS_OPEN 4 /* We've sent an Ack */ |
| 73 | #define UPAPSS_BADAUTH 5 /* We've sent a Nak */ |
| 74 | |
| 75 | |
| 76 | /* |
| 77 | * Timeouts. |
| 78 | */ |
| 79 | #define UPAP_DEFTIMEOUT 3 /* Timeout (seconds) for retransmitting req */ |
| 80 | #define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ |
| 81 | |
| 82 | extern upap_state upap[]; |
| 83 | |
| 84 | void upap_authwithpeer __P((int, char *, char *)); |
| 85 | void upap_authpeer __P((int)); |
| 86 | |
| 87 | extern struct protent pap_protent; |