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