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- /*
- * upap.h - User/Password Authentication Protocol definitions.
- *
- * Copyright (c) 1989 Carnegie Mellon University.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Carnegie Mellon University. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- /*
- * Packet header = Code, id, length.
- */
- #define UPAP_HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
-
-
- /*
- * UPAP codes.
- */
- #define UPAP_AUTH 1 /* Authenticate */
- #define UPAP_AUTHACK 2 /* Authenticate Ack */
- #define UPAP_AUTHNAK 3 /* Authenticate Nak */
-
-
- /*
- * Each interface is described by upap structure.
- */
- typedef struct upap_state {
- int us_unit; /* Interface unit number */
- char *us_user; /* User */
- int us_userlen; /* User length */
- char *us_passwd; /* Password */
- int us_passwdlen; /* Password length */
- int us_clientstate; /* Client state */
- int us_serverstate; /* Server state */
- int us_flags; /* Flags */
- u_char us_id; /* Current id */
- int us_timeouttime; /* Timeout time in milliseconds */
- int us_retransmits; /* Number of retransmissions */
- } upap_state;
-
-
- /*
- * Client states.
- */
- #define UPAPCS_CLOSED 1 /* Connection down */
- #define UPAPCS_AUTHSENT 2 /* We've sent an Authenticate */
- #define UPAPCS_OPEN 3 /* We've received an Ack */
-
- /*
- * Server states.
- */
- #define UPAPSS_CLOSED 1 /* Connection down */
- #define UPAPSS_LISTEN 2 /* Listening for an Authenticate */
- #define UPAPSS_OPEN 3 /* We've sent an Ack */
-
- /*
- * Flags.
- */
- #define UPAPF_LOWERUP 1 /* The lower level is UP */
- #define UPAPF_AWPPENDING 2 /* Auth with peer pending */
- #define UPAPF_APPENDING 4 /* Auth peer pending */
- #define UPAPF_UPVALID 8 /* User/passwd values valid */
- #define UPAPF_UPPENDING 0x10 /* User/passwd values pending */
-
-
- /*
- * Timeouts.
- */
- #define UPAP_DEFTIMEOUT 3 /* Timeout time in seconds */
-
-
- extern upap_state upap[];
-
- void upap_init();
- void upap_authwithpeer();
- void upap_authpeer();
- void upap_lowerup();
- void upap_lowerdown();
- void upap_input();
- void upap_protrej();
-