From f84dc62cc602eacb0daee3e9918a68b711ba94f0 Mon Sep 17 00:00:00 2001 From: Othmar Gsenger Date: Sat, 8 Dec 2007 20:59:57 +0000 Subject: removed isakmpd --- keyexchange/isakmpd-20041012/cookie.c | 74 ----------------------------------- 1 file changed, 74 deletions(-) delete mode 100644 keyexchange/isakmpd-20041012/cookie.c (limited to 'keyexchange/isakmpd-20041012/cookie.c') diff --git a/keyexchange/isakmpd-20041012/cookie.c b/keyexchange/isakmpd-20041012/cookie.c deleted file mode 100644 index ec8f826..0000000 --- a/keyexchange/isakmpd-20041012/cookie.c +++ /dev/null @@ -1,74 +0,0 @@ -/* $OpenBSD: cookie.c,v 1.14 2004/05/14 08:42:56 hshoexer Exp $ */ -/* $EOM: cookie.c,v 1.21 1999/08/05 15:00:04 niklas Exp $ */ - -/* - * Copyright (c) 1998, 1999 Niklas Hallqvist. 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. - * - * 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. - */ - -/* - * This code was written under funding by Ericsson Radio Systems. - */ - -#include -#include -#include -#include - -#include "sysdep.h" - -#include "cookie.h" -#include "exchange.h" -#include "hash.h" -#include "transport.h" -#include "util.h" - -#define COOKIE_SECRET_SIZE 16 - -/* - * Generate an anti-clogging token (a protection against an attacker forcing - * us to keep state for a flood of connection requests) a.k.a. a cookie - * at BUF, LEN bytes long. The cookie will be generated by hashing of - * information found, among otherplaces, in transport T and exchange - * EXCHANGE. - */ -void -cookie_gen(struct transport *t, struct exchange *exchange, u_int8_t *buf, - size_t len) -{ - struct hash *hash = hash_get(HASH_SHA1); - u_int8_t tmpsecret[COOKIE_SECRET_SIZE]; - struct sockaddr *name; - - hash->Init(hash->ctx); - (*t->vtbl->get_dst)(t, &name); - hash->Update(hash->ctx, (u_int8_t *)name, sysdep_sa_len(name)); - (*t->vtbl->get_src)(t, &name); - hash->Update(hash->ctx, (u_int8_t *)name, sysdep_sa_len(name)); - if (exchange->initiator == 0) - hash->Update(hash->ctx, exchange->cookies + - ISAKMP_HDR_ICOOKIE_OFF, ISAKMP_HDR_ICOOKIE_LEN); - getrandom(tmpsecret, COOKIE_SECRET_SIZE); - hash->Update(hash->ctx, tmpsecret, COOKIE_SECRET_SIZE); - hash->Final(hash->digest, hash->ctx); - memcpy(buf, hash->digest, len); -} -- cgit v1.2.3