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250be50b72
path... after we've talked to any RADIUS servers involved, so that we haven't touched the data before it gets to the server. Make it clearer in the code that this compensation is done by setting a flag to a value of zero, a flag which rfc2759 says *MUST* be zero. While we're here, don't bother passing the peer challenge into radius_Authenticate(). It's already part of the key we're passing in (this becomes obvious now that I've structured that data...). This ``fix'' doesn't help to authenticate Win98/WinME users in my test environment as ports/net/freeradius seems to ignore the flag completely anyway, but it may help with other RADIUS servers.
76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
/*-
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* Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
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* based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
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* Internet Initiative Japan, Inc (IIJ)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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struct mbuf;
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struct physical;
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#define CHAP_CHALLENGE 1
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#define CHAP_RESPONSE 2
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#define CHAP_SUCCESS 3
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#define CHAP_FAILURE 4
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struct chap {
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struct fdescriptor desc;
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struct {
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pid_t pid;
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int fd;
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struct {
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char ptr[AUTHLEN * 2 + 3]; /* Allow for \r\n at the end (- NUL) */
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int len;
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} buf;
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} child;
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struct authinfo auth;
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struct {
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u_char local[CHAPCHALLENGELEN + AUTHLEN]; /* I invented this one */
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u_char peer[CHAPCHALLENGELEN + AUTHLEN]; /* Peer gave us this one */
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} challenge;
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#ifndef NODES
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unsigned NTRespSent : 1; /* Our last response */
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int peertries;
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u_char authresponse[CHAPAUTHRESPONSELEN]; /* CHAP 81 response */
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#endif
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};
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#define descriptor2chap(d) \
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((d)->type == CHAP_DESCRIPTOR ? (struct chap *)(d) : NULL)
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#define auth2chap(a) \
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((struct chap *)((char *)a - (int)&((struct chap *)0)->auth))
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struct MSCHAPv2_resp { /* rfc2759 */
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char PeerChallenge[16];
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char Reserved[8];
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char NTResponse[24];
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char Flags;
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};
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extern void chap_Init(struct chap *, struct physical *);
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extern void chap_ReInit(struct chap *);
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extern struct mbuf *chap_Input(struct bundle *, struct link *, struct mbuf *);
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