usr.sbin/pppd/upap.h

   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  * $FreeBSD: src/usr.sbin/pppd/upap.h,v 1.7 1999/08/28 01:19:09 peter Exp $
  20  * $DragonFly: src/usr.sbin/pppd/upap.h,v 1.3 2003/11/03 19:31:40 eirikn Exp $
  21  */
  22
  23 /*
  24  * Packet header = Code, id, length.
  25  */
  26 #define UPAP_HEADERLEN  (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
  27
  28
  29 /*
  30  * UPAP codes.
  31  */
  32 #define UPAP_AUTHREQ    1       /* Authenticate-Request */
  33 #define UPAP_AUTHACK    2       /* Authenticate-Ack */
  34 #define UPAP_AUTHNAK    3       /* Authenticate-Nak */
  35
  36
  37 /*
  38  * Each interface is described by upap structure.
  39  */
  40 typedef struct upap_state {
  41     int us_unit;                /* Interface unit number */
  42     char *us_user;              /* User */
  43     int us_userlen;             /* User length */
  44     char *us_passwd;            /* Password */
  45     int us_passwdlen;           /* Password length */
  46     int us_clientstate;         /* Client state */
  47     int us_serverstate;         /* Server state */
  48     u_char us_id;               /* Current id */
  49     int us_timeouttime;         /* Timeout (seconds) for auth-req retrans. */
  50     int us_transmits;           /* Number of auth-reqs sent */
  51     int us_maxtransmits;        /* Maximum number of auth-reqs to send */
  52     int us_reqtimeout;          /* Time to wait for auth-req from peer */
  53 } upap_state;
  54
  55
  56 /*
  57  * Client states.
  58  */
  59 #define UPAPCS_INITIAL  0       /* Connection down */
  60 #define UPAPCS_CLOSED   1       /* Connection up, haven't requested auth */
  61 #define UPAPCS_PENDING  2       /* Connection down, have requested auth */
  62 #define UPAPCS_AUTHREQ  3       /* We've sent an Authenticate-Request */
  63 #define UPAPCS_OPEN     4       /* We've received an Ack */
  64 #define UPAPCS_BADAUTH  5       /* We've received a Nak */
  65
  66 /*
  67  * Server states.
  68  */
  69 #define UPAPSS_INITIAL  0       /* Connection down */
  70 #define UPAPSS_CLOSED   1       /* Connection up, haven't requested auth */
  71 #define UPAPSS_PENDING  2       /* Connection down, have requested auth */
  72 #define UPAPSS_LISTEN   3       /* Listening for an Authenticate */
  73 #define UPAPSS_OPEN     4       /* We've sent an Ack */
  74 #define UPAPSS_BADAUTH  5       /* We've sent a Nak */
  75
  76
  77 /*
  78  * Timeouts.
  79  */
  80 #define UPAP_DEFTIMEOUT 3       /* Timeout (seconds) for retransmitting req */
  81 #define UPAP_DEFREQTIME 30      /* Time to wait for auth-req from peer */
  82
  83 extern upap_state upap[];
  84
  85 void upap_authwithpeer(int, char *, char *);
  86 void upap_authpeer(int);
  87
  88 extern struct protent pap_protent;