Donatien Garnier / lwip_ppp_ethernet

LwIP with PPP & Ethernet integration

Dependents:   NetworkingCoreLib

This is the mbed port of the LwIP stack: http://savannah.nongnu.org/projects/lwip/

It includes contributed content from NXP's port for LPCxxxx devices: http://www.lpcware.com/content/project/lightweight-ip-lwip-networking-stack

Licence

LwIP is licenced under the BSD licence: 

Copyright (c) 2001-2004 Swedish Institute of Computer Science. 
All rights reserved. 
Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met: 
1. Redistributions of source code must retain the above copyright notice, 
this list of conditions and the following disclaimer. 
2. Redistributions in binary form must reproduce the above copyright notice, 
this list of conditions and the following disclaimer in the documentation 
and/or other materials provided with the distribution. 
3. The name of the author may not be used to endorse or promote products 
derived from this software without specific prior written permission. 
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
OF SUCH DAMAGE.

src/netif/ppp/chap.h@2:1a87f74b8e3b, 2012-05-25 (annotated)

Committer:
donatien
Date:
Fri May 25 08:56:35 2012 +0000
Revision:
2:1a87f74b8e3b
Parent:
0:8e01dca41002 
Removed compilation of EMAC driver when using PPP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:8e01dca41002 1 /*****************************************************************************
donatien 0:8e01dca41002 2 * chap.h - Network Challenge Handshake Authentication Protocol header file.
donatien 0:8e01dca41002 3 *
donatien 0:8e01dca41002 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
donatien 0:8e01dca41002 5 * portions Copyright (c) 1998 Global Election Systems Inc.
donatien 0:8e01dca41002 6 *
donatien 0:8e01dca41002 7 * The authors hereby grant permission to use, copy, modify, distribute,
donatien 0:8e01dca41002 8 * and license this software and its documentation for any purpose, provided
donatien 0:8e01dca41002 9 * that existing copyright notices are retained in all copies and that this
donatien 0:8e01dca41002 10 * notice and the following disclaimer are included verbatim in any
donatien 0:8e01dca41002 11 * distributions. No written agreement, license, or royalty fee is required
donatien 0:8e01dca41002 12 * for any of the authorized uses.
donatien 0:8e01dca41002 13 *
donatien 0:8e01dca41002 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
donatien 0:8e01dca41002 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
donatien 0:8e01dca41002 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
donatien 0:8e01dca41002 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
donatien 0:8e01dca41002 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
donatien 0:8e01dca41002 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
donatien 0:8e01dca41002 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
donatien 0:8e01dca41002 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
donatien 0:8e01dca41002 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
donatien 0:8e01dca41002 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
donatien 0:8e01dca41002 24 *
donatien 0:8e01dca41002 25 ******************************************************************************
donatien 0:8e01dca41002 26 * REVISION HISTORY
donatien 0:8e01dca41002 27 *
donatien 0:8e01dca41002 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
donatien 0:8e01dca41002 29 * Ported to lwIP.
donatien 0:8e01dca41002 30 * 97-12-03 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
donatien 0:8e01dca41002 31 * Original built from BSD network code.
donatien 0:8e01dca41002 32 ******************************************************************************/
donatien 0:8e01dca41002 33 /*
donatien 0:8e01dca41002 34 * chap.h - Challenge Handshake Authentication Protocol definitions.
donatien 0:8e01dca41002 35 *
donatien 0:8e01dca41002 36 * Copyright (c) 1993 The Australian National University.
donatien 0:8e01dca41002 37 * All rights reserved.
donatien 0:8e01dca41002 38 *
donatien 0:8e01dca41002 39 * Redistribution and use in source and binary forms are permitted
donatien 0:8e01dca41002 40 * provided that the above copyright notice and this paragraph are
donatien 0:8e01dca41002 41 * duplicated in all such forms and that any documentation,
donatien 0:8e01dca41002 42 * advertising materials, and other materials related to such
donatien 0:8e01dca41002 43 * distribution and use acknowledge that the software was developed
donatien 0:8e01dca41002 44 * by the Australian National University. The name of the University
donatien 0:8e01dca41002 45 * may not be used to endorse or promote products derived from this
donatien 0:8e01dca41002 46 * software without specific prior written permission.
donatien 0:8e01dca41002 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
donatien 0:8e01dca41002 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
donatien 0:8e01dca41002 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
donatien 0:8e01dca41002 50 *
donatien 0:8e01dca41002 51 * Copyright (c) 1991 Gregory M. Christy
donatien 0:8e01dca41002 52 * All rights reserved.
donatien 0:8e01dca41002 53 *
donatien 0:8e01dca41002 54 * Redistribution and use in source and binary forms are permitted
donatien 0:8e01dca41002 55 * provided that the above copyright notice and this paragraph are
donatien 0:8e01dca41002 56 * duplicated in all such forms and that any documentation,
donatien 0:8e01dca41002 57 * advertising materials, and other materials related to such
donatien 0:8e01dca41002 58 * distribution and use acknowledge that the software was developed
donatien 0:8e01dca41002 59 * by the author.
donatien 0:8e01dca41002 60 *
donatien 0:8e01dca41002 61 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
donatien 0:8e01dca41002 62 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
donatien 0:8e01dca41002 63 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
donatien 0:8e01dca41002 64 *
donatien 0:8e01dca41002 65 * $Id: chap.h,v 1.6 2010/01/24 13:19:34 goldsimon Exp $
donatien 0:8e01dca41002 66 */
donatien 0:8e01dca41002 67
donatien 0:8e01dca41002 68 #ifndef CHAP_H
donatien 0:8e01dca41002 69 #define CHAP_H
donatien 0:8e01dca41002 70
donatien 0:8e01dca41002 71 /* Code + ID + length */
donatien 0:8e01dca41002 72 #define CHAP_HEADERLEN 4
donatien 0:8e01dca41002 73
donatien 0:8e01dca41002 74 /*
donatien 0:8e01dca41002 75 * CHAP codes.
donatien 0:8e01dca41002 76 */
donatien 0:8e01dca41002 77
donatien 0:8e01dca41002 78 #define CHAP_DIGEST_MD5 5 /* use MD5 algorithm */
donatien 0:8e01dca41002 79 #define MD5_SIGNATURE_SIZE 16 /* 16 bytes in a MD5 message digest */
donatien 0:8e01dca41002 80 #define CHAP_MICROSOFT 0x80 /* use Microsoft-compatible alg. */
donatien 0:8e01dca41002 81 #define MS_CHAP_RESPONSE_LEN 49 /* Response length for MS-CHAP */
donatien 0:8e01dca41002 82
donatien 0:8e01dca41002 83 #define CHAP_CHALLENGE 1
donatien 0:8e01dca41002 84 #define CHAP_RESPONSE 2
donatien 0:8e01dca41002 85 #define CHAP_SUCCESS 3
donatien 0:8e01dca41002 86 #define CHAP_FAILURE 4
donatien 0:8e01dca41002 87
donatien 0:8e01dca41002 88 /*
donatien 0:8e01dca41002 89 * Challenge lengths (for challenges we send) and other limits.
donatien 0:8e01dca41002 90 */
donatien 0:8e01dca41002 91 #define MIN_CHALLENGE_LENGTH 32
donatien 0:8e01dca41002 92 #define MAX_CHALLENGE_LENGTH 64
donatien 0:8e01dca41002 93 #define MAX_RESPONSE_LENGTH 64 /* sufficient for MD5 or MS-CHAP */
donatien 0:8e01dca41002 94
donatien 0:8e01dca41002 95 /*
donatien 0:8e01dca41002 96 * Each interface is described by a chap structure.
donatien 0:8e01dca41002 97 */
donatien 0:8e01dca41002 98
donatien 0:8e01dca41002 99 typedef struct chap_state {
donatien 0:8e01dca41002 100 int unit; /* Interface unit number */
donatien 0:8e01dca41002 101 int clientstate; /* Client state */
donatien 0:8e01dca41002 102 int serverstate; /* Server state */
donatien 0:8e01dca41002 103 u_char challenge[MAX_CHALLENGE_LENGTH]; /* last challenge string sent */
donatien 0:8e01dca41002 104 u_char chal_len; /* challenge length */
donatien 0:8e01dca41002 105 u_char chal_id; /* ID of last challenge */
donatien 0:8e01dca41002 106 u_char chal_type; /* hash algorithm for challenges */
donatien 0:8e01dca41002 107 u_char id; /* Current id */
donatien 0:8e01dca41002 108 char *chal_name; /* Our name to use with challenge */
donatien 0:8e01dca41002 109 int chal_interval; /* Time until we challenge peer again */
donatien 0:8e01dca41002 110 int timeouttime; /* Timeout time in seconds */
donatien 0:8e01dca41002 111 int max_transmits; /* Maximum # of challenge transmissions */
donatien 0:8e01dca41002 112 int chal_transmits; /* Number of transmissions of challenge */
donatien 0:8e01dca41002 113 int resp_transmits; /* Number of transmissions of response */
donatien 0:8e01dca41002 114 u_char response[MAX_RESPONSE_LENGTH]; /* Response to send */
donatien 0:8e01dca41002 115 u_char resp_length; /* length of response */
donatien 0:8e01dca41002 116 u_char resp_id; /* ID for response messages */
donatien 0:8e01dca41002 117 u_char resp_type; /* hash algorithm for responses */
donatien 0:8e01dca41002 118 char *resp_name; /* Our name to send with response */
donatien 0:8e01dca41002 119 } chap_state;
donatien 0:8e01dca41002 120
donatien 0:8e01dca41002 121
donatien 0:8e01dca41002 122 /*
donatien 0:8e01dca41002 123 * Client (peer) states.
donatien 0:8e01dca41002 124 */
donatien 0:8e01dca41002 125 #define CHAPCS_INITIAL 0 /* Lower layer down, not opened */
donatien 0:8e01dca41002 126 #define CHAPCS_CLOSED 1 /* Lower layer up, not opened */
donatien 0:8e01dca41002 127 #define CHAPCS_PENDING 2 /* Auth us to peer when lower up */
donatien 0:8e01dca41002 128 #define CHAPCS_LISTEN 3 /* Listening for a challenge */
donatien 0:8e01dca41002 129 #define CHAPCS_RESPONSE 4 /* Sent response, waiting for status */
donatien 0:8e01dca41002 130 #define CHAPCS_OPEN 5 /* We've received Success */
donatien 0:8e01dca41002 131
donatien 0:8e01dca41002 132 /*
donatien 0:8e01dca41002 133 * Server (authenticator) states.
donatien 0:8e01dca41002 134 */
donatien 0:8e01dca41002 135 #define CHAPSS_INITIAL 0 /* Lower layer down, not opened */
donatien 0:8e01dca41002 136 #define CHAPSS_CLOSED 1 /* Lower layer up, not opened */
donatien 0:8e01dca41002 137 #define CHAPSS_PENDING 2 /* Auth peer when lower up */
donatien 0:8e01dca41002 138 #define CHAPSS_INITIAL_CHAL 3 /* We've sent the first challenge */
donatien 0:8e01dca41002 139 #define CHAPSS_OPEN 4 /* We've sent a Success msg */
donatien 0:8e01dca41002 140 #define CHAPSS_RECHALLENGE 5 /* We've sent another challenge */
donatien 0:8e01dca41002 141 #define CHAPSS_BADAUTH 6 /* We've sent a Failure msg */
donatien 0:8e01dca41002 142
donatien 0:8e01dca41002 143 extern chap_state chap[];
donatien 0:8e01dca41002 144
donatien 0:8e01dca41002 145 void ChapAuthWithPeer (int, char *, u_char);
donatien 0:8e01dca41002 146 void ChapAuthPeer (int, char *, u_char);
donatien 0:8e01dca41002 147
donatien 0:8e01dca41002 148 extern struct protent chap_protent;
donatien 0:8e01dca41002 149
donatien 0:8e01dca41002 150 #endif /* CHAP_H */