SNMP agent attached to SPI slave

Dependencies:   mbed

Committer:
lorcansmith
Date:
Mon Aug 13 15:07:40 2012 +0000
Revision:
0:2a53a4c3238c
v1.1 release includes ioAlarm traps

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lorcansmith 0:2a53a4c3238c 1 /*****************************************************************************
lorcansmith 0:2a53a4c3238c 2 * chap.h - Network Challenge Handshake Authentication Protocol header file.
lorcansmith 0:2a53a4c3238c 3 *
lorcansmith 0:2a53a4c3238c 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
lorcansmith 0:2a53a4c3238c 5 * portions Copyright (c) 1998 Global Election Systems Inc.
lorcansmith 0:2a53a4c3238c 6 *
lorcansmith 0:2a53a4c3238c 7 * The authors hereby grant permission to use, copy, modify, distribute,
lorcansmith 0:2a53a4c3238c 8 * and license this software and its documentation for any purpose, provided
lorcansmith 0:2a53a4c3238c 9 * that existing copyright notices are retained in all copies and that this
lorcansmith 0:2a53a4c3238c 10 * notice and the following disclaimer are included verbatim in any
lorcansmith 0:2a53a4c3238c 11 * distributions. No written agreement, license, or royalty fee is required
lorcansmith 0:2a53a4c3238c 12 * for any of the authorized uses.
lorcansmith 0:2a53a4c3238c 13 *
lorcansmith 0:2a53a4c3238c 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
lorcansmith 0:2a53a4c3238c 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
lorcansmith 0:2a53a4c3238c 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
lorcansmith 0:2a53a4c3238c 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
lorcansmith 0:2a53a4c3238c 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
lorcansmith 0:2a53a4c3238c 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
lorcansmith 0:2a53a4c3238c 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
lorcansmith 0:2a53a4c3238c 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
lorcansmith 0:2a53a4c3238c 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
lorcansmith 0:2a53a4c3238c 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
lorcansmith 0:2a53a4c3238c 24 *
lorcansmith 0:2a53a4c3238c 25 ******************************************************************************
lorcansmith 0:2a53a4c3238c 26 * REVISION HISTORY
lorcansmith 0:2a53a4c3238c 27 *
lorcansmith 0:2a53a4c3238c 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
lorcansmith 0:2a53a4c3238c 29 * Ported to lwIP.
lorcansmith 0:2a53a4c3238c 30 * 97-12-03 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
lorcansmith 0:2a53a4c3238c 31 * Original built from BSD network code.
lorcansmith 0:2a53a4c3238c 32 ******************************************************************************/
lorcansmith 0:2a53a4c3238c 33 /*
lorcansmith 0:2a53a4c3238c 34 * chap.h - Challenge Handshake Authentication Protocol definitions.
lorcansmith 0:2a53a4c3238c 35 *
lorcansmith 0:2a53a4c3238c 36 * Copyright (c) 1993 The Australian National University.
lorcansmith 0:2a53a4c3238c 37 * All rights reserved.
lorcansmith 0:2a53a4c3238c 38 *
lorcansmith 0:2a53a4c3238c 39 * Redistribution and use in source and binary forms are permitted
lorcansmith 0:2a53a4c3238c 40 * provided that the above copyright notice and this paragraph are
lorcansmith 0:2a53a4c3238c 41 * duplicated in all such forms and that any documentation,
lorcansmith 0:2a53a4c3238c 42 * advertising materials, and other materials related to such
lorcansmith 0:2a53a4c3238c 43 * distribution and use acknowledge that the software was developed
lorcansmith 0:2a53a4c3238c 44 * by the Australian National University. The name of the University
lorcansmith 0:2a53a4c3238c 45 * may not be used to endorse or promote products derived from this
lorcansmith 0:2a53a4c3238c 46 * software without specific prior written permission.
lorcansmith 0:2a53a4c3238c 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
lorcansmith 0:2a53a4c3238c 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
lorcansmith 0:2a53a4c3238c 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
lorcansmith 0:2a53a4c3238c 50 *
lorcansmith 0:2a53a4c3238c 51 * Copyright (c) 1991 Gregory M. Christy
lorcansmith 0:2a53a4c3238c 52 * All rights reserved.
lorcansmith 0:2a53a4c3238c 53 *
lorcansmith 0:2a53a4c3238c 54 * Redistribution and use in source and binary forms are permitted
lorcansmith 0:2a53a4c3238c 55 * provided that the above copyright notice and this paragraph are
lorcansmith 0:2a53a4c3238c 56 * duplicated in all such forms and that any documentation,
lorcansmith 0:2a53a4c3238c 57 * advertising materials, and other materials related to such
lorcansmith 0:2a53a4c3238c 58 * distribution and use acknowledge that the software was developed
lorcansmith 0:2a53a4c3238c 59 * by the author.
lorcansmith 0:2a53a4c3238c 60 *
lorcansmith 0:2a53a4c3238c 61 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
lorcansmith 0:2a53a4c3238c 62 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
lorcansmith 0:2a53a4c3238c 63 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
lorcansmith 0:2a53a4c3238c 64 *
lorcansmith 0:2a53a4c3238c 65 * $Id: chap.h,v 1.6 2010/01/24 13:19:34 goldsimon Exp $
lorcansmith 0:2a53a4c3238c 66 */
lorcansmith 0:2a53a4c3238c 67
lorcansmith 0:2a53a4c3238c 68 #ifndef CHAP_H
lorcansmith 0:2a53a4c3238c 69 #define CHAP_H
lorcansmith 0:2a53a4c3238c 70
lorcansmith 0:2a53a4c3238c 71 /* Code + ID + length */
lorcansmith 0:2a53a4c3238c 72 #define CHAP_HEADERLEN 4
lorcansmith 0:2a53a4c3238c 73
lorcansmith 0:2a53a4c3238c 74 /*
lorcansmith 0:2a53a4c3238c 75 * CHAP codes.
lorcansmith 0:2a53a4c3238c 76 */
lorcansmith 0:2a53a4c3238c 77
lorcansmith 0:2a53a4c3238c 78 #define CHAP_DIGEST_MD5 5 /* use MD5 algorithm */
lorcansmith 0:2a53a4c3238c 79 #define MD5_SIGNATURE_SIZE 16 /* 16 bytes in a MD5 message digest */
lorcansmith 0:2a53a4c3238c 80 #define CHAP_MICROSOFT 0x80 /* use Microsoft-compatible alg. */
lorcansmith 0:2a53a4c3238c 81 #define MS_CHAP_RESPONSE_LEN 49 /* Response length for MS-CHAP */
lorcansmith 0:2a53a4c3238c 82
lorcansmith 0:2a53a4c3238c 83 #define CHAP_CHALLENGE 1
lorcansmith 0:2a53a4c3238c 84 #define CHAP_RESPONSE 2
lorcansmith 0:2a53a4c3238c 85 #define CHAP_SUCCESS 3
lorcansmith 0:2a53a4c3238c 86 #define CHAP_FAILURE 4
lorcansmith 0:2a53a4c3238c 87
lorcansmith 0:2a53a4c3238c 88 /*
lorcansmith 0:2a53a4c3238c 89 * Challenge lengths (for challenges we send) and other limits.
lorcansmith 0:2a53a4c3238c 90 */
lorcansmith 0:2a53a4c3238c 91 #define MIN_CHALLENGE_LENGTH 32
lorcansmith 0:2a53a4c3238c 92 #define MAX_CHALLENGE_LENGTH 64
lorcansmith 0:2a53a4c3238c 93 #define MAX_RESPONSE_LENGTH 64 /* sufficient for MD5 or MS-CHAP */
lorcansmith 0:2a53a4c3238c 94
lorcansmith 0:2a53a4c3238c 95 /*
lorcansmith 0:2a53a4c3238c 96 * Each interface is described by a chap structure.
lorcansmith 0:2a53a4c3238c 97 */
lorcansmith 0:2a53a4c3238c 98
lorcansmith 0:2a53a4c3238c 99 typedef struct chap_state {
lorcansmith 0:2a53a4c3238c 100 int unit; /* Interface unit number */
lorcansmith 0:2a53a4c3238c 101 int clientstate; /* Client state */
lorcansmith 0:2a53a4c3238c 102 int serverstate; /* Server state */
lorcansmith 0:2a53a4c3238c 103 u_char challenge[MAX_CHALLENGE_LENGTH]; /* last challenge string sent */
lorcansmith 0:2a53a4c3238c 104 u_char chal_len; /* challenge length */
lorcansmith 0:2a53a4c3238c 105 u_char chal_id; /* ID of last challenge */
lorcansmith 0:2a53a4c3238c 106 u_char chal_type; /* hash algorithm for challenges */
lorcansmith 0:2a53a4c3238c 107 u_char id; /* Current id */
lorcansmith 0:2a53a4c3238c 108 char *chal_name; /* Our name to use with challenge */
lorcansmith 0:2a53a4c3238c 109 int chal_interval; /* Time until we challenge peer again */
lorcansmith 0:2a53a4c3238c 110 int timeouttime; /* Timeout time in seconds */
lorcansmith 0:2a53a4c3238c 111 int max_transmits; /* Maximum # of challenge transmissions */
lorcansmith 0:2a53a4c3238c 112 int chal_transmits; /* Number of transmissions of challenge */
lorcansmith 0:2a53a4c3238c 113 int resp_transmits; /* Number of transmissions of response */
lorcansmith 0:2a53a4c3238c 114 u_char response[MAX_RESPONSE_LENGTH]; /* Response to send */
lorcansmith 0:2a53a4c3238c 115 u_char resp_length; /* length of response */
lorcansmith 0:2a53a4c3238c 116 u_char resp_id; /* ID for response messages */
lorcansmith 0:2a53a4c3238c 117 u_char resp_type; /* hash algorithm for responses */
lorcansmith 0:2a53a4c3238c 118 char *resp_name; /* Our name to send with response */
lorcansmith 0:2a53a4c3238c 119 } chap_state;
lorcansmith 0:2a53a4c3238c 120
lorcansmith 0:2a53a4c3238c 121
lorcansmith 0:2a53a4c3238c 122 /*
lorcansmith 0:2a53a4c3238c 123 * Client (peer) states.
lorcansmith 0:2a53a4c3238c 124 */
lorcansmith 0:2a53a4c3238c 125 #define CHAPCS_INITIAL 0 /* Lower layer down, not opened */
lorcansmith 0:2a53a4c3238c 126 #define CHAPCS_CLOSED 1 /* Lower layer up, not opened */
lorcansmith 0:2a53a4c3238c 127 #define CHAPCS_PENDING 2 /* Auth us to peer when lower up */
lorcansmith 0:2a53a4c3238c 128 #define CHAPCS_LISTEN 3 /* Listening for a challenge */
lorcansmith 0:2a53a4c3238c 129 #define CHAPCS_RESPONSE 4 /* Sent response, waiting for status */
lorcansmith 0:2a53a4c3238c 130 #define CHAPCS_OPEN 5 /* We've received Success */
lorcansmith 0:2a53a4c3238c 131
lorcansmith 0:2a53a4c3238c 132 /*
lorcansmith 0:2a53a4c3238c 133 * Server (authenticator) states.
lorcansmith 0:2a53a4c3238c 134 */
lorcansmith 0:2a53a4c3238c 135 #define CHAPSS_INITIAL 0 /* Lower layer down, not opened */
lorcansmith 0:2a53a4c3238c 136 #define CHAPSS_CLOSED 1 /* Lower layer up, not opened */
lorcansmith 0:2a53a4c3238c 137 #define CHAPSS_PENDING 2 /* Auth peer when lower up */
lorcansmith 0:2a53a4c3238c 138 #define CHAPSS_INITIAL_CHAL 3 /* We've sent the first challenge */
lorcansmith 0:2a53a4c3238c 139 #define CHAPSS_OPEN 4 /* We've sent a Success msg */
lorcansmith 0:2a53a4c3238c 140 #define CHAPSS_RECHALLENGE 5 /* We've sent another challenge */
lorcansmith 0:2a53a4c3238c 141 #define CHAPSS_BADAUTH 6 /* We've sent a Failure msg */
lorcansmith 0:2a53a4c3238c 142
lorcansmith 0:2a53a4c3238c 143 extern chap_state chap[];
lorcansmith 0:2a53a4c3238c 144
lorcansmith 0:2a53a4c3238c 145 void ChapAuthWithPeer (int, char *, u_char);
lorcansmith 0:2a53a4c3238c 146 void ChapAuthPeer (int, char *, u_char);
lorcansmith 0:2a53a4c3238c 147
lorcansmith 0:2a53a4c3238c 148 extern struct protent chap_protent;
lorcansmith 0:2a53a4c3238c 149
lorcansmith 0:2a53a4c3238c 150 #endif /* CHAP_H */