mbed official / lwip

Official mbed lwIP library (version 1.4.0)

Dependents:   LwIPNetworking NetServicesMin EthernetInterface EthernetInterface_RSF ... more

Legacy Networking Libraries

This is an mbed 2 networking library. For mbed OS 5, lwip has been integrated with built-in networking interfaces. The networking libraries have been revised to better support additional network stacks and thread safety here.

This library is based on the code of lwIP v1.4.0

Copyright (c) 2001, 2002 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.

netif/ppp/chap.h@20:08f08bfc3f3d, 2016-03-14 (annotated)

Committer:
mbed_official
Date:
Mon Mar 14 16:15:36 2016 +0000
Revision:
20:08f08bfc3f3d
Parent:
0:51ac1d130fd4 
Synchronized with git revision fec574a5ed6db26aca1b13992ff271bf527d4a0d



Full URL: https://github.com/mbedmicro/mbed/commit/fec574a5ed6db26aca1b13992ff271bf527d4a0d/



Increased allocated netbufs to handle DTLS handshakes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:51ac1d130fd4 1 /*****************************************************************************
mbed_official 0:51ac1d130fd4 2 * chap.h - Network Challenge Handshake Authentication Protocol header file.
mbed_official 0:51ac1d130fd4 3 *
mbed_official 0:51ac1d130fd4 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
mbed_official 0:51ac1d130fd4 5 * portions Copyright (c) 1998 Global Election Systems Inc.
mbed_official 0:51ac1d130fd4 6 *
mbed_official 0:51ac1d130fd4 7 * The authors hereby grant permission to use, copy, modify, distribute,
mbed_official 0:51ac1d130fd4 8 * and license this software and its documentation for any purpose, provided
mbed_official 0:51ac1d130fd4 9 * that existing copyright notices are retained in all copies and that this
mbed_official 0:51ac1d130fd4 10 * notice and the following disclaimer are included verbatim in any
mbed_official 0:51ac1d130fd4 11 * distributions. No written agreement, license, or royalty fee is required
mbed_official 0:51ac1d130fd4 12 * for any of the authorized uses.
mbed_official 0:51ac1d130fd4 13 *
mbed_official 0:51ac1d130fd4 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
mbed_official 0:51ac1d130fd4 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
mbed_official 0:51ac1d130fd4 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
mbed_official 0:51ac1d130fd4 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
mbed_official 0:51ac1d130fd4 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
mbed_official 0:51ac1d130fd4 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
mbed_official 0:51ac1d130fd4 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
mbed_official 0:51ac1d130fd4 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mbed_official 0:51ac1d130fd4 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
mbed_official 0:51ac1d130fd4 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 0:51ac1d130fd4 24 *
mbed_official 0:51ac1d130fd4 25 ******************************************************************************
mbed_official 0:51ac1d130fd4 26 * REVISION HISTORY
mbed_official 0:51ac1d130fd4 27 *
mbed_official 0:51ac1d130fd4 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
mbed_official 0:51ac1d130fd4 29 * Ported to lwIP.
mbed_official 0:51ac1d130fd4 30 * 97-12-03 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
mbed_official 0:51ac1d130fd4 31 * Original built from BSD network code.
mbed_official 0:51ac1d130fd4 32 ******************************************************************************/
mbed_official 0:51ac1d130fd4 33 /*
mbed_official 0:51ac1d130fd4 34 * chap.h - Challenge Handshake Authentication Protocol definitions.
mbed_official 0:51ac1d130fd4 35 *
mbed_official 0:51ac1d130fd4 36 * Copyright (c) 1993 The Australian National University.
mbed_official 0:51ac1d130fd4 37 * All rights reserved.
mbed_official 0:51ac1d130fd4 38 *
mbed_official 0:51ac1d130fd4 39 * Redistribution and use in source and binary forms are permitted
mbed_official 0:51ac1d130fd4 40 * provided that the above copyright notice and this paragraph are
mbed_official 0:51ac1d130fd4 41 * duplicated in all such forms and that any documentation,
mbed_official 0:51ac1d130fd4 42 * advertising materials, and other materials related to such
mbed_official 0:51ac1d130fd4 43 * distribution and use acknowledge that the software was developed
mbed_official 0:51ac1d130fd4 44 * by the Australian National University. The name of the University
mbed_official 0:51ac1d130fd4 45 * may not be used to endorse or promote products derived from this
mbed_official 0:51ac1d130fd4 46 * software without specific prior written permission.
mbed_official 0:51ac1d130fd4 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
mbed_official 0:51ac1d130fd4 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
mbed_official 0:51ac1d130fd4 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
mbed_official 0:51ac1d130fd4 50 *
mbed_official 0:51ac1d130fd4 51 * Copyright (c) 1991 Gregory M. Christy
mbed_official 0:51ac1d130fd4 52 * All rights reserved.
mbed_official 0:51ac1d130fd4 53 *
mbed_official 0:51ac1d130fd4 54 * Redistribution and use in source and binary forms are permitted
mbed_official 0:51ac1d130fd4 55 * provided that the above copyright notice and this paragraph are
mbed_official 0:51ac1d130fd4 56 * duplicated in all such forms and that any documentation,
mbed_official 0:51ac1d130fd4 57 * advertising materials, and other materials related to such
mbed_official 0:51ac1d130fd4 58 * distribution and use acknowledge that the software was developed
mbed_official 0:51ac1d130fd4 59 * by the author.
mbed_official 0:51ac1d130fd4 60 *
mbed_official 0:51ac1d130fd4 61 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
mbed_official 0:51ac1d130fd4 62 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
mbed_official 0:51ac1d130fd4 63 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
mbed_official 0:51ac1d130fd4 64 *
mbed_official 0:51ac1d130fd4 65 * $Id: chap.h,v 1.6 2010/01/24 13:19:34 goldsimon Exp $
mbed_official 0:51ac1d130fd4 66 */
mbed_official 0:51ac1d130fd4 67
mbed_official 0:51ac1d130fd4 68 #ifndef CHAP_H
mbed_official 0:51ac1d130fd4 69 #define CHAP_H
mbed_official 0:51ac1d130fd4 70
mbed_official 0:51ac1d130fd4 71 /* Code + ID + length */
mbed_official 0:51ac1d130fd4 72 #define CHAP_HEADERLEN 4
mbed_official 0:51ac1d130fd4 73
mbed_official 0:51ac1d130fd4 74 /*
mbed_official 0:51ac1d130fd4 75 * CHAP codes.
mbed_official 0:51ac1d130fd4 76 */
mbed_official 0:51ac1d130fd4 77
mbed_official 0:51ac1d130fd4 78 #define CHAP_DIGEST_MD5 5 /* use MD5 algorithm */
mbed_official 0:51ac1d130fd4 79 #define MD5_SIGNATURE_SIZE 16 /* 16 bytes in a MD5 message digest */
mbed_official 0:51ac1d130fd4 80 #define CHAP_MICROSOFT 0x80 /* use Microsoft-compatible alg. */
mbed_official 0:51ac1d130fd4 81 #define MS_CHAP_RESPONSE_LEN 49 /* Response length for MS-CHAP */
mbed_official 0:51ac1d130fd4 82
mbed_official 0:51ac1d130fd4 83 #define CHAP_CHALLENGE 1
mbed_official 0:51ac1d130fd4 84 #define CHAP_RESPONSE 2
mbed_official 0:51ac1d130fd4 85 #define CHAP_SUCCESS 3
mbed_official 0:51ac1d130fd4 86 #define CHAP_FAILURE 4
mbed_official 0:51ac1d130fd4 87
mbed_official 0:51ac1d130fd4 88 /*
mbed_official 0:51ac1d130fd4 89 * Challenge lengths (for challenges we send) and other limits.
mbed_official 0:51ac1d130fd4 90 */
mbed_official 0:51ac1d130fd4 91 #define MIN_CHALLENGE_LENGTH 32
mbed_official 0:51ac1d130fd4 92 #define MAX_CHALLENGE_LENGTH 64
mbed_official 0:51ac1d130fd4 93 #define MAX_RESPONSE_LENGTH 64 /* sufficient for MD5 or MS-CHAP */
mbed_official 0:51ac1d130fd4 94
mbed_official 0:51ac1d130fd4 95 /*
mbed_official 0:51ac1d130fd4 96 * Each interface is described by a chap structure.
mbed_official 0:51ac1d130fd4 97 */
mbed_official 0:51ac1d130fd4 98
mbed_official 0:51ac1d130fd4 99 typedef struct chap_state {
mbed_official 0:51ac1d130fd4 100 int unit; /* Interface unit number */
mbed_official 0:51ac1d130fd4 101 int clientstate; /* Client state */
mbed_official 0:51ac1d130fd4 102 int serverstate; /* Server state */
mbed_official 0:51ac1d130fd4 103 u_char challenge[MAX_CHALLENGE_LENGTH]; /* last challenge string sent */
mbed_official 0:51ac1d130fd4 104 u_char chal_len; /* challenge length */
mbed_official 0:51ac1d130fd4 105 u_char chal_id; /* ID of last challenge */
mbed_official 0:51ac1d130fd4 106 u_char chal_type; /* hash algorithm for challenges */
mbed_official 0:51ac1d130fd4 107 u_char id; /* Current id */
mbed_official 0:51ac1d130fd4 108 char *chal_name; /* Our name to use with challenge */
mbed_official 0:51ac1d130fd4 109 int chal_interval; /* Time until we challenge peer again */
mbed_official 0:51ac1d130fd4 110 int timeouttime; /* Timeout time in seconds */
mbed_official 0:51ac1d130fd4 111 int max_transmits; /* Maximum # of challenge transmissions */
mbed_official 0:51ac1d130fd4 112 int chal_transmits; /* Number of transmissions of challenge */
mbed_official 0:51ac1d130fd4 113 int resp_transmits; /* Number of transmissions of response */
mbed_official 0:51ac1d130fd4 114 u_char response[MAX_RESPONSE_LENGTH]; /* Response to send */
mbed_official 0:51ac1d130fd4 115 u_char resp_length; /* length of response */
mbed_official 0:51ac1d130fd4 116 u_char resp_id; /* ID for response messages */
mbed_official 0:51ac1d130fd4 117 u_char resp_type; /* hash algorithm for responses */
mbed_official 0:51ac1d130fd4 118 char *resp_name; /* Our name to send with response */
mbed_official 0:51ac1d130fd4 119 } chap_state;
mbed_official 0:51ac1d130fd4 120
mbed_official 0:51ac1d130fd4 121
mbed_official 0:51ac1d130fd4 122 /*
mbed_official 0:51ac1d130fd4 123 * Client (peer) states.
mbed_official 0:51ac1d130fd4 124 */
mbed_official 0:51ac1d130fd4 125 #define CHAPCS_INITIAL 0 /* Lower layer down, not opened */
mbed_official 0:51ac1d130fd4 126 #define CHAPCS_CLOSED 1 /* Lower layer up, not opened */
mbed_official 0:51ac1d130fd4 127 #define CHAPCS_PENDING 2 /* Auth us to peer when lower up */
mbed_official 0:51ac1d130fd4 128 #define CHAPCS_LISTEN 3 /* Listening for a challenge */
mbed_official 0:51ac1d130fd4 129 #define CHAPCS_RESPONSE 4 /* Sent response, waiting for status */
mbed_official 0:51ac1d130fd4 130 #define CHAPCS_OPEN 5 /* We've received Success */
mbed_official 0:51ac1d130fd4 131
mbed_official 0:51ac1d130fd4 132 /*
mbed_official 0:51ac1d130fd4 133 * Server (authenticator) states.
mbed_official 0:51ac1d130fd4 134 */
mbed_official 0:51ac1d130fd4 135 #define CHAPSS_INITIAL 0 /* Lower layer down, not opened */
mbed_official 0:51ac1d130fd4 136 #define CHAPSS_CLOSED 1 /* Lower layer up, not opened */
mbed_official 0:51ac1d130fd4 137 #define CHAPSS_PENDING 2 /* Auth peer when lower up */
mbed_official 0:51ac1d130fd4 138 #define CHAPSS_INITIAL_CHAL 3 /* We've sent the first challenge */
mbed_official 0:51ac1d130fd4 139 #define CHAPSS_OPEN 4 /* We've sent a Success msg */
mbed_official 0:51ac1d130fd4 140 #define CHAPSS_RECHALLENGE 5 /* We've sent another challenge */
mbed_official 0:51ac1d130fd4 141 #define CHAPSS_BADAUTH 6 /* We've sent a Failure msg */
mbed_official 0:51ac1d130fd4 142
mbed_official 0:51ac1d130fd4 143 extern chap_state chap[];
mbed_official 0:51ac1d130fd4 144
mbed_official 0:51ac1d130fd4 145 void ChapAuthWithPeer (int, char *, u_char);
mbed_official 0:51ac1d130fd4 146 void ChapAuthPeer (int, char *, u_char);
mbed_official 0:51ac1d130fd4 147
mbed_official 0:51ac1d130fd4 148 extern struct protent chap_protent;
mbed_official 0:51ac1d130fd4 149
mbed_official 0:51ac1d130fd4 150 #endif /* CHAP_H */