[d0950ad] | 1 | /* |
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| 2 | * upap.h - User/Password Authentication Protocol definitions. |
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| 3 | * |
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| 4 | * Copyright (c) 1989 Carnegie Mellon University. |
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| 5 | * All rights reserved. |
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| 6 | * |
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| 7 | * Redistribution and use in source and binary forms are permitted |
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| 8 | * provided that the above copyright notice and this paragraph are |
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| 9 | * duplicated in all such forms and that any documentation, |
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| 10 | * advertising materials, and other materials related to such |
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| 11 | * distribution and use acknowledge that the software was developed |
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| 12 | * by Carnegie Mellon University. The name of the |
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| 13 | * University may not be used to endorse or promote products derived |
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| 14 | * from this software without specific prior written permission. |
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| 15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
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| 16 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
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| 17 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
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| 18 | * |
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| 19 | * $Id$ |
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| 20 | */ |
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| 21 | |
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| 22 | /* |
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| 23 | * Packet header = Code, id, length. |
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| 24 | */ |
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| 25 | #define UPAP_HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short)) |
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| 26 | |
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| 27 | |
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| 28 | /* |
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| 29 | * UPAP codes. |
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| 30 | */ |
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| 31 | #define UPAP_AUTHREQ 1 /* Authenticate-Request */ |
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| 32 | #define UPAP_AUTHACK 2 /* Authenticate-Ack */ |
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| 33 | #define UPAP_AUTHNAK 3 /* Authenticate-Nak */ |
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| 34 | |
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| 35 | |
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| 36 | /* |
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| 37 | * Each interface is described by upap structure. |
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| 38 | */ |
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| 39 | typedef struct upap_state { |
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| 40 | int us_unit; /* Interface unit number */ |
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| 41 | char *us_user; /* User */ |
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| 42 | int us_userlen; /* User length */ |
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| 43 | char *us_passwd; /* Password */ |
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| 44 | int us_passwdlen; /* Password length */ |
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| 45 | int us_clientstate; /* Client state */ |
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| 46 | int us_serverstate; /* Server state */ |
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| 47 | u_char us_id; /* Current id */ |
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| 48 | int us_timeouttime; /* Timeout (seconds) for auth-req retrans. */ |
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| 49 | int us_transmits; /* Number of auth-reqs sent */ |
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| 50 | int us_maxtransmits; /* Maximum number of auth-reqs to send */ |
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| 51 | int us_reqtimeout; /* Time to wait for auth-req from peer */ |
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| 52 | } upap_state; |
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| 53 | |
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| 54 | |
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| 55 | /* |
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| 56 | * Client states. |
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| 57 | */ |
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| 58 | #define UPAPCS_INITIAL 0 /* Connection down */ |
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| 59 | #define UPAPCS_CLOSED 1 /* Connection up, haven't requested auth */ |
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| 60 | #define UPAPCS_PENDING 2 /* Connection down, have requested auth */ |
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| 61 | #define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */ |
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| 62 | #define UPAPCS_OPEN 4 /* We've received an Ack */ |
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| 63 | #define UPAPCS_BADAUTH 5 /* We've received a Nak */ |
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| 64 | |
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| 65 | /* |
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| 66 | * Server states. |
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| 67 | */ |
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| 68 | #define UPAPSS_INITIAL 0 /* Connection down */ |
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| 69 | #define UPAPSS_CLOSED 1 /* Connection up, haven't requested auth */ |
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| 70 | #define UPAPSS_PENDING 2 /* Connection down, have requested auth */ |
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| 71 | #define UPAPSS_LISTEN 3 /* Listening for an Authenticate */ |
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| 72 | #define UPAPSS_OPEN 4 /* We've sent an Ack */ |
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| 73 | #define UPAPSS_BADAUTH 5 /* We've sent a Nak */ |
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| 74 | |
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| 75 | |
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| 76 | /* |
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| 77 | * Timeouts. |
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| 78 | */ |
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| 79 | #define UPAP_DEFTIMEOUT 3 /* Timeout (seconds) for retransmitting req */ |
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| 80 | #define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ |
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| 81 | |
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| 82 | extern upap_state upap[]; |
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| 83 | |
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| 84 | void upap_authwithpeer __P((int, char *, char *)); |
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| 85 | void upap_authpeer __P((int)); |
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| 86 | |
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| 87 | extern struct protent pap_protent; |
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