A modified version of http://mbed.org/users/segundo/libraries/NetServices/ljhqix to add HTTP proxy feature (based on http://mbed.org/users/igorsk/programs/NetServicesSource/ltjpag)

Dependents:   SenseClient

Committer:
mimil
Date:
Tue Sep 06 13:26:45 2011 +0000
Revision:
0:308f83189a3f

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mimil 0:308f83189a3f 1 /*****************************************************************************
mimil 0:308f83189a3f 2 * chap.h - Network Challenge Handshake Authentication Protocol header file.
mimil 0:308f83189a3f 3 *
mimil 0:308f83189a3f 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
mimil 0:308f83189a3f 5 * portions Copyright (c) 1998 Global Election Systems Inc.
mimil 0:308f83189a3f 6 *
mimil 0:308f83189a3f 7 * The authors hereby grant permission to use, copy, modify, distribute,
mimil 0:308f83189a3f 8 * and license this software and its documentation for any purpose, provided
mimil 0:308f83189a3f 9 * that existing copyright notices are retained in all copies and that this
mimil 0:308f83189a3f 10 * notice and the following disclaimer are included verbatim in any
mimil 0:308f83189a3f 11 * distributions. No written agreement, license, or royalty fee is required
mimil 0:308f83189a3f 12 * for any of the authorized uses.
mimil 0:308f83189a3f 13 *
mimil 0:308f83189a3f 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
mimil 0:308f83189a3f 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
mimil 0:308f83189a3f 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
mimil 0:308f83189a3f 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
mimil 0:308f83189a3f 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
mimil 0:308f83189a3f 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
mimil 0:308f83189a3f 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
mimil 0:308f83189a3f 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mimil 0:308f83189a3f 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
mimil 0:308f83189a3f 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mimil 0:308f83189a3f 24 *
mimil 0:308f83189a3f 25 ******************************************************************************
mimil 0:308f83189a3f 26 * REVISION HISTORY
mimil 0:308f83189a3f 27 *
mimil 0:308f83189a3f 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
mimil 0:308f83189a3f 29 * Ported to lwIP.
mimil 0:308f83189a3f 30 * 97-12-03 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
mimil 0:308f83189a3f 31 * Original built from BSD network code.
mimil 0:308f83189a3f 32 ******************************************************************************/
mimil 0:308f83189a3f 33 /*
mimil 0:308f83189a3f 34 * chap.h - Challenge Handshake Authentication Protocol definitions.
mimil 0:308f83189a3f 35 *
mimil 0:308f83189a3f 36 * Copyright (c) 1993 The Australian National University.
mimil 0:308f83189a3f 37 * All rights reserved.
mimil 0:308f83189a3f 38 *
mimil 0:308f83189a3f 39 * Redistribution and use in source and binary forms are permitted
mimil 0:308f83189a3f 40 * provided that the above copyright notice and this paragraph are
mimil 0:308f83189a3f 41 * duplicated in all such forms and that any documentation,
mimil 0:308f83189a3f 42 * advertising materials, and other materials related to such
mimil 0:308f83189a3f 43 * distribution and use acknowledge that the software was developed
mimil 0:308f83189a3f 44 * by the Australian National University. The name of the University
mimil 0:308f83189a3f 45 * may not be used to endorse or promote products derived from this
mimil 0:308f83189a3f 46 * software without specific prior written permission.
mimil 0:308f83189a3f 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
mimil 0:308f83189a3f 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
mimil 0:308f83189a3f 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
mimil 0:308f83189a3f 50 *
mimil 0:308f83189a3f 51 * Copyright (c) 1991 Gregory M. Christy
mimil 0:308f83189a3f 52 * All rights reserved.
mimil 0:308f83189a3f 53 *
mimil 0:308f83189a3f 54 * Redistribution and use in source and binary forms are permitted
mimil 0:308f83189a3f 55 * provided that the above copyright notice and this paragraph are
mimil 0:308f83189a3f 56 * duplicated in all such forms and that any documentation,
mimil 0:308f83189a3f 57 * advertising materials, and other materials related to such
mimil 0:308f83189a3f 58 * distribution and use acknowledge that the software was developed
mimil 0:308f83189a3f 59 * by the author.
mimil 0:308f83189a3f 60 *
mimil 0:308f83189a3f 61 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
mimil 0:308f83189a3f 62 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
mimil 0:308f83189a3f 63 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
mimil 0:308f83189a3f 64 *
mimil 0:308f83189a3f 65 * $Id: chap.h,v 1.6 2010/01/24 13:19:34 goldsimon Exp $
mimil 0:308f83189a3f 66 */
mimil 0:308f83189a3f 67
mimil 0:308f83189a3f 68 #ifndef CHAP_H
mimil 0:308f83189a3f 69 #define CHAP_H
mimil 0:308f83189a3f 70
mimil 0:308f83189a3f 71 /* Code + ID + length */
mimil 0:308f83189a3f 72 #define CHAP_HEADERLEN 4
mimil 0:308f83189a3f 73
mimil 0:308f83189a3f 74 /*
mimil 0:308f83189a3f 75 * CHAP codes.
mimil 0:308f83189a3f 76 */
mimil 0:308f83189a3f 77
mimil 0:308f83189a3f 78 #define CHAP_DIGEST_MD5 5 /* use MD5 algorithm */
mimil 0:308f83189a3f 79 #define MD5_SIGNATURE_SIZE 16 /* 16 bytes in a MD5 message digest */
mimil 0:308f83189a3f 80 #define CHAP_MICROSOFT 0x80 /* use Microsoft-compatible alg. */
mimil 0:308f83189a3f 81 #define MS_CHAP_RESPONSE_LEN 49 /* Response length for MS-CHAP */
mimil 0:308f83189a3f 82
mimil 0:308f83189a3f 83 #define CHAP_CHALLENGE 1
mimil 0:308f83189a3f 84 #define CHAP_RESPONSE 2
mimil 0:308f83189a3f 85 #define CHAP_SUCCESS 3
mimil 0:308f83189a3f 86 #define CHAP_FAILURE 4
mimil 0:308f83189a3f 87
mimil 0:308f83189a3f 88 /*
mimil 0:308f83189a3f 89 * Challenge lengths (for challenges we send) and other limits.
mimil 0:308f83189a3f 90 */
mimil 0:308f83189a3f 91 #define MIN_CHALLENGE_LENGTH 32
mimil 0:308f83189a3f 92 #define MAX_CHALLENGE_LENGTH 64
mimil 0:308f83189a3f 93 #define MAX_RESPONSE_LENGTH 64 /* sufficient for MD5 or MS-CHAP */
mimil 0:308f83189a3f 94
mimil 0:308f83189a3f 95 /*
mimil 0:308f83189a3f 96 * Each interface is described by a chap structure.
mimil 0:308f83189a3f 97 */
mimil 0:308f83189a3f 98
mimil 0:308f83189a3f 99 typedef struct chap_state {
mimil 0:308f83189a3f 100 int unit; /* Interface unit number */
mimil 0:308f83189a3f 101 int clientstate; /* Client state */
mimil 0:308f83189a3f 102 int serverstate; /* Server state */
mimil 0:308f83189a3f 103 u_char challenge[MAX_CHALLENGE_LENGTH]; /* last challenge string sent */
mimil 0:308f83189a3f 104 u_char chal_len; /* challenge length */
mimil 0:308f83189a3f 105 u_char chal_id; /* ID of last challenge */
mimil 0:308f83189a3f 106 u_char chal_type; /* hash algorithm for challenges */
mimil 0:308f83189a3f 107 u_char id; /* Current id */
mimil 0:308f83189a3f 108 char *chal_name; /* Our name to use with challenge */
mimil 0:308f83189a3f 109 int chal_interval; /* Time until we challenge peer again */
mimil 0:308f83189a3f 110 int timeouttime; /* Timeout time in seconds */
mimil 0:308f83189a3f 111 int max_transmits; /* Maximum # of challenge transmissions */
mimil 0:308f83189a3f 112 int chal_transmits; /* Number of transmissions of challenge */
mimil 0:308f83189a3f 113 int resp_transmits; /* Number of transmissions of response */
mimil 0:308f83189a3f 114 u_char response[MAX_RESPONSE_LENGTH]; /* Response to send */
mimil 0:308f83189a3f 115 u_char resp_length; /* length of response */
mimil 0:308f83189a3f 116 u_char resp_id; /* ID for response messages */
mimil 0:308f83189a3f 117 u_char resp_type; /* hash algorithm for responses */
mimil 0:308f83189a3f 118 char *resp_name; /* Our name to send with response */
mimil 0:308f83189a3f 119 } chap_state;
mimil 0:308f83189a3f 120
mimil 0:308f83189a3f 121
mimil 0:308f83189a3f 122 /*
mimil 0:308f83189a3f 123 * Client (peer) states.
mimil 0:308f83189a3f 124 */
mimil 0:308f83189a3f 125 #define CHAPCS_INITIAL 0 /* Lower layer down, not opened */
mimil 0:308f83189a3f 126 #define CHAPCS_CLOSED 1 /* Lower layer up, not opened */
mimil 0:308f83189a3f 127 #define CHAPCS_PENDING 2 /* Auth us to peer when lower up */
mimil 0:308f83189a3f 128 #define CHAPCS_LISTEN 3 /* Listening for a challenge */
mimil 0:308f83189a3f 129 #define CHAPCS_RESPONSE 4 /* Sent response, waiting for status */
mimil 0:308f83189a3f 130 #define CHAPCS_OPEN 5 /* We've received Success */
mimil 0:308f83189a3f 131
mimil 0:308f83189a3f 132 /*
mimil 0:308f83189a3f 133 * Server (authenticator) states.
mimil 0:308f83189a3f 134 */
mimil 0:308f83189a3f 135 #define CHAPSS_INITIAL 0 /* Lower layer down, not opened */
mimil 0:308f83189a3f 136 #define CHAPSS_CLOSED 1 /* Lower layer up, not opened */
mimil 0:308f83189a3f 137 #define CHAPSS_PENDING 2 /* Auth peer when lower up */
mimil 0:308f83189a3f 138 #define CHAPSS_INITIAL_CHAL 3 /* We've sent the first challenge */
mimil 0:308f83189a3f 139 #define CHAPSS_OPEN 4 /* We've sent a Success msg */
mimil 0:308f83189a3f 140 #define CHAPSS_RECHALLENGE 5 /* We've sent another challenge */
mimil 0:308f83189a3f 141 #define CHAPSS_BADAUTH 6 /* We've sent a Failure msg */
mimil 0:308f83189a3f 142
mimil 0:308f83189a3f 143 extern chap_state chap[];
mimil 0:308f83189a3f 144
mimil 0:308f83189a3f 145 void ChapAuthWithPeer (int, char *, u_char);
mimil 0:308f83189a3f 146 void ChapAuthPeer (int, char *, u_char);
mimil 0:308f83189a3f 147
mimil 0:308f83189a3f 148 extern struct protent chap_protent;
mimil 0:308f83189a3f 149
mimil 0:308f83189a3f 150 #endif /* CHAP_H */