Donatien Garnier / LwIPNetworking

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Dependencies:   DebugLib Socket lwip lwip-sys

Dependents:   EthernetInterface

Fork of NetworkingCoreLib by Donatien Garnier

main/lwip/src/netif/ppp/chap.h@0:013f5d54248c, 2012-05-24 (annotated)

Committer:
donatien
Date:
Thu May 24 14:49:40 2012 +0000
Revision:
0:013f5d54248c
Initial Commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:013f5d54248c 1 /*****************************************************************************
donatien 0:013f5d54248c 2 * chap.h - Network Challenge Handshake Authentication Protocol header file.
donatien 0:013f5d54248c 3 *
donatien 0:013f5d54248c 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
donatien 0:013f5d54248c 5 * portions Copyright (c) 1998 Global Election Systems Inc.
donatien 0:013f5d54248c 6 *
donatien 0:013f5d54248c 7 * The authors hereby grant permission to use, copy, modify, distribute,
donatien 0:013f5d54248c 8 * and license this software and its documentation for any purpose, provided
donatien 0:013f5d54248c 9 * that existing copyright notices are retained in all copies and that this
donatien 0:013f5d54248c 10 * notice and the following disclaimer are included verbatim in any
donatien 0:013f5d54248c 11 * distributions. No written agreement, license, or royalty fee is required
donatien 0:013f5d54248c 12 * for any of the authorized uses.
donatien 0:013f5d54248c 13 *
donatien 0:013f5d54248c 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
donatien 0:013f5d54248c 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
donatien 0:013f5d54248c 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
donatien 0:013f5d54248c 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
donatien 0:013f5d54248c 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
donatien 0:013f5d54248c 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
donatien 0:013f5d54248c 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
donatien 0:013f5d54248c 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
donatien 0:013f5d54248c 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
donatien 0:013f5d54248c 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
donatien 0:013f5d54248c 24 *
donatien 0:013f5d54248c 25 ******************************************************************************
donatien 0:013f5d54248c 26 * REVISION HISTORY
donatien 0:013f5d54248c 27 *
donatien 0:013f5d54248c 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
donatien 0:013f5d54248c 29 * Ported to lwIP.
donatien 0:013f5d54248c 30 * 97-12-03 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
donatien 0:013f5d54248c 31 * Original built from BSD network code.
donatien 0:013f5d54248c 32 ******************************************************************************/
donatien 0:013f5d54248c 33 /*
donatien 0:013f5d54248c 34 * chap.h - Challenge Handshake Authentication Protocol definitions.
donatien 0:013f5d54248c 35 *
donatien 0:013f5d54248c 36 * Copyright (c) 1993 The Australian National University.
donatien 0:013f5d54248c 37 * All rights reserved.
donatien 0:013f5d54248c 38 *
donatien 0:013f5d54248c 39 * Redistribution and use in source and binary forms are permitted
donatien 0:013f5d54248c 40 * provided that the above copyright notice and this paragraph are
donatien 0:013f5d54248c 41 * duplicated in all such forms and that any documentation,
donatien 0:013f5d54248c 42 * advertising materials, and other materials related to such
donatien 0:013f5d54248c 43 * distribution and use acknowledge that the software was developed
donatien 0:013f5d54248c 44 * by the Australian National University. The name of the University
donatien 0:013f5d54248c 45 * may not be used to endorse or promote products derived from this
donatien 0:013f5d54248c 46 * software without specific prior written permission.
donatien 0:013f5d54248c 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
donatien 0:013f5d54248c 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
donatien 0:013f5d54248c 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
donatien 0:013f5d54248c 50 *
donatien 0:013f5d54248c 51 * Copyright (c) 1991 Gregory M. Christy
donatien 0:013f5d54248c 52 * All rights reserved.
donatien 0:013f5d54248c 53 *
donatien 0:013f5d54248c 54 * Redistribution and use in source and binary forms are permitted
donatien 0:013f5d54248c 55 * provided that the above copyright notice and this paragraph are
donatien 0:013f5d54248c 56 * duplicated in all such forms and that any documentation,
donatien 0:013f5d54248c 57 * advertising materials, and other materials related to such
donatien 0:013f5d54248c 58 * distribution and use acknowledge that the software was developed
donatien 0:013f5d54248c 59 * by the author.
donatien 0:013f5d54248c 60 *
donatien 0:013f5d54248c 61 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
donatien 0:013f5d54248c 62 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
donatien 0:013f5d54248c 63 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
donatien 0:013f5d54248c 64 *
donatien 0:013f5d54248c 65 * $Id: chap.h,v 1.6 2010/01/24 13:19:34 goldsimon Exp $
donatien 0:013f5d54248c 66 */
donatien 0:013f5d54248c 67
donatien 0:013f5d54248c 68 #ifndef CHAP_H
donatien 0:013f5d54248c 69 #define CHAP_H
donatien 0:013f5d54248c 70
donatien 0:013f5d54248c 71 /* Code + ID + length */
donatien 0:013f5d54248c 72 #define CHAP_HEADERLEN 4
donatien 0:013f5d54248c 73
donatien 0:013f5d54248c 74 /*
donatien 0:013f5d54248c 75 * CHAP codes.
donatien 0:013f5d54248c 76 */
donatien 0:013f5d54248c 77
donatien 0:013f5d54248c 78 #define CHAP_DIGEST_MD5 5 /* use MD5 algorithm */
donatien 0:013f5d54248c 79 #define MD5_SIGNATURE_SIZE 16 /* 16 bytes in a MD5 message digest */
donatien 0:013f5d54248c 80 #define CHAP_MICROSOFT 0x80 /* use Microsoft-compatible alg. */
donatien 0:013f5d54248c 81 #define MS_CHAP_RESPONSE_LEN 49 /* Response length for MS-CHAP */
donatien 0:013f5d54248c 82
donatien 0:013f5d54248c 83 #define CHAP_CHALLENGE 1
donatien 0:013f5d54248c 84 #define CHAP_RESPONSE 2
donatien 0:013f5d54248c 85 #define CHAP_SUCCESS 3
donatien 0:013f5d54248c 86 #define CHAP_FAILURE 4
donatien 0:013f5d54248c 87
donatien 0:013f5d54248c 88 /*
donatien 0:013f5d54248c 89 * Challenge lengths (for challenges we send) and other limits.
donatien 0:013f5d54248c 90 */
donatien 0:013f5d54248c 91 #define MIN_CHALLENGE_LENGTH 32
donatien 0:013f5d54248c 92 #define MAX_CHALLENGE_LENGTH 64
donatien 0:013f5d54248c 93 #define MAX_RESPONSE_LENGTH 64 /* sufficient for MD5 or MS-CHAP */
donatien 0:013f5d54248c 94
donatien 0:013f5d54248c 95 /*
donatien 0:013f5d54248c 96 * Each interface is described by a chap structure.
donatien 0:013f5d54248c 97 */
donatien 0:013f5d54248c 98
donatien 0:013f5d54248c 99 typedef struct chap_state {
donatien 0:013f5d54248c 100 int unit; /* Interface unit number */
donatien 0:013f5d54248c 101 int clientstate; /* Client state */
donatien 0:013f5d54248c 102 int serverstate; /* Server state */
donatien 0:013f5d54248c 103 u_char challenge[MAX_CHALLENGE_LENGTH]; /* last challenge string sent */
donatien 0:013f5d54248c 104 u_char chal_len; /* challenge length */
donatien 0:013f5d54248c 105 u_char chal_id; /* ID of last challenge */
donatien 0:013f5d54248c 106 u_char chal_type; /* hash algorithm for challenges */
donatien 0:013f5d54248c 107 u_char id; /* Current id */
donatien 0:013f5d54248c 108 char *chal_name; /* Our name to use with challenge */
donatien 0:013f5d54248c 109 int chal_interval; /* Time until we challenge peer again */
donatien 0:013f5d54248c 110 int timeouttime; /* Timeout time in seconds */
donatien 0:013f5d54248c 111 int max_transmits; /* Maximum # of challenge transmissions */
donatien 0:013f5d54248c 112 int chal_transmits; /* Number of transmissions of challenge */
donatien 0:013f5d54248c 113 int resp_transmits; /* Number of transmissions of response */
donatien 0:013f5d54248c 114 u_char response[MAX_RESPONSE_LENGTH]; /* Response to send */
donatien 0:013f5d54248c 115 u_char resp_length; /* length of response */
donatien 0:013f5d54248c 116 u_char resp_id; /* ID for response messages */
donatien 0:013f5d54248c 117 u_char resp_type; /* hash algorithm for responses */
donatien 0:013f5d54248c 118 char *resp_name; /* Our name to send with response */
donatien 0:013f5d54248c 119 } chap_state;
donatien 0:013f5d54248c 120
donatien 0:013f5d54248c 121
donatien 0:013f5d54248c 122 /*
donatien 0:013f5d54248c 123 * Client (peer) states.
donatien 0:013f5d54248c 124 */
donatien 0:013f5d54248c 125 #define CHAPCS_INITIAL 0 /* Lower layer down, not opened */
donatien 0:013f5d54248c 126 #define CHAPCS_CLOSED 1 /* Lower layer up, not opened */
donatien 0:013f5d54248c 127 #define CHAPCS_PENDING 2 /* Auth us to peer when lower up */
donatien 0:013f5d54248c 128 #define CHAPCS_LISTEN 3 /* Listening for a challenge */
donatien 0:013f5d54248c 129 #define CHAPCS_RESPONSE 4 /* Sent response, waiting for status */
donatien 0:013f5d54248c 130 #define CHAPCS_OPEN 5 /* We've received Success */
donatien 0:013f5d54248c 131
donatien 0:013f5d54248c 132 /*
donatien 0:013f5d54248c 133 * Server (authenticator) states.
donatien 0:013f5d54248c 134 */
donatien 0:013f5d54248c 135 #define CHAPSS_INITIAL 0 /* Lower layer down, not opened */
donatien 0:013f5d54248c 136 #define CHAPSS_CLOSED 1 /* Lower layer up, not opened */
donatien 0:013f5d54248c 137 #define CHAPSS_PENDING 2 /* Auth peer when lower up */
donatien 0:013f5d54248c 138 #define CHAPSS_INITIAL_CHAL 3 /* We've sent the first challenge */
donatien 0:013f5d54248c 139 #define CHAPSS_OPEN 4 /* We've sent a Success msg */
donatien 0:013f5d54248c 140 #define CHAPSS_RECHALLENGE 5 /* We've sent another challenge */
donatien 0:013f5d54248c 141 #define CHAPSS_BADAUTH 6 /* We've sent a Failure msg */
donatien 0:013f5d54248c 142
donatien 0:013f5d54248c 143 extern chap_state chap[];
donatien 0:013f5d54248c 144
donatien 0:013f5d54248c 145 void ChapAuthWithPeer (int, char *, u_char);
donatien 0:013f5d54248c 146 void ChapAuthPeer (int, char *, u_char);
donatien 0:013f5d54248c 147
donatien 0:013f5d54248c 148 extern struct protent chap_protent;
donatien 0:013f5d54248c 149
donatien 0:013f5d54248c 150 #endif /* CHAP_H */