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 1.1.1.1 2008/10/15 03:30:13 james26_jang 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 */
39typedef 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
82extern upap_state upap[];
83
84void upap_authwithpeer __P((int, char *, char *));
85void upap_authpeer __P((int));
86
87extern struct protent pap_protent;
88