source: UsbWattMeter/trunk/lwip-1.4.1/src/netif/ppp/pap.h@ 167

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[164]1/*****************************************************************************
2* pap.h - PPP Password Authentication Protocol header file.
3*
4* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
5* portions Copyright (c) 1997 Global Election Systems Inc.
6*
7* The authors hereby grant permission to use, copy, modify, distribute,
8* and license this software and its documentation for any purpose, provided
9* that existing copyright notices are retained in all copies and that this
10* notice and the following disclaimer are included verbatim in any
11* distributions. No written agreement, license, or royalty fee is required
12* for any of the authorized uses.
13*
14* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
15* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
18* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24*
25******************************************************************************
26* REVISION HISTORY
27*
28* 03-01-01 Marc Boucher <marc@mbsi.ca>
29* Ported to lwIP.
30* 97-12-04 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
31* Original derived from BSD codes.
32*****************************************************************************/
33/*
34 * upap.h - User/Password Authentication Protocol definitions.
35 *
36 * Copyright (c) 1989 Carnegie Mellon University.
37 * All rights reserved.
38 *
39 * Redistribution and use in source and binary forms are permitted
40 * provided that the above copyright notice and this paragraph are
41 * duplicated in all such forms and that any documentation,
42 * advertising materials, and other materials related to such
43 * distribution and use acknowledge that the software was developed
44 * by Carnegie Mellon University. The name of the
45 * University may not be used to endorse or promote products derived
46 * from this software without specific prior written permission.
47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
50 */
51
52#ifndef PAP_H
53#define PAP_H
54
55#if PAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
56
57/*
58 * Packet header = Code, id, length.
59 */
60#define UPAP_HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
61
62
63/*
64 * UPAP codes.
65 */
66#define UPAP_AUTHREQ 1 /* Authenticate-Request */
67#define UPAP_AUTHACK 2 /* Authenticate-Ack */
68#define UPAP_AUTHNAK 3 /* Authenticate-Nak */
69
70/*
71 * Each interface is described by upap structure.
72 */
73typedef struct upap_state {
74 int us_unit; /* Interface unit number */
75 const char *us_user; /* User */
76 int us_userlen; /* User length */
77 const char *us_passwd; /* Password */
78 int us_passwdlen; /* Password length */
79 int us_clientstate; /* Client state */
80 int us_serverstate; /* Server state */
81 u_char us_id; /* Current id */
82 int us_timeouttime; /* Timeout (seconds) for auth-req retrans. */
83 int us_transmits; /* Number of auth-reqs sent */
84 int us_maxtransmits; /* Maximum number of auth-reqs to send */
85 int us_reqtimeout; /* Time to wait for auth-req from peer */
86} upap_state;
87
88/*
89 * Client states.
90 */
91#define UPAPCS_INITIAL 0 /* Connection down */
92#define UPAPCS_CLOSED 1 /* Connection up, haven't requested auth */
93#define UPAPCS_PENDING 2 /* Connection down, have requested auth */
94#define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */
95#define UPAPCS_OPEN 4 /* We've received an Ack */
96#define UPAPCS_BADAUTH 5 /* We've received a Nak */
97
98/*
99 * Server states.
100 */
101#define UPAPSS_INITIAL 0 /* Connection down */
102#define UPAPSS_CLOSED 1 /* Connection up, haven't requested auth */
103#define UPAPSS_PENDING 2 /* Connection down, have requested auth */
104#define UPAPSS_LISTEN 3 /* Listening for an Authenticate */
105#define UPAPSS_OPEN 4 /* We've sent an Ack */
106#define UPAPSS_BADAUTH 5 /* We've sent a Nak */
107
108
109extern upap_state upap[];
110
111void upap_authwithpeer (int, char *, char *);
112void upap_authpeer (int);
113
114extern struct protent pap_protent;
115
116#endif /* PAP_SUPPORT */
117
118#endif /* PAP_H */
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