101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/* $KAME: vendorid.c,v 1.7 2000/12/15 13:43:57 sakane Exp $ */
|
|
|
|
/*
|
|
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
|
* 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. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``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 PROJECT OR CONTRIBUTORS 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.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <ctype.h>
|
|
|
|
#include "var.h"
|
|
#include "misc.h"
|
|
#include "vmbuf.h"
|
|
#include "plog.h"
|
|
#include "debug.h"
|
|
|
|
#include "localconf.h"
|
|
#include "isakmp_var.h"
|
|
#include "isakmp.h"
|
|
#include "vendorid.h"
|
|
#include "crypto_openssl.h"
|
|
|
|
/*
|
|
* set hashed vendor id.
|
|
* hash function is always MD5.
|
|
*/
|
|
vchar_t *
|
|
set_vendorid()
|
|
{
|
|
vchar_t vid, *vidhash;
|
|
char *v = VENDORID;
|
|
|
|
vid.v = v;
|
|
vid.l = strlen(v);
|
|
|
|
vidhash = eay_md5_one(&vid);
|
|
if (vidhash == NULL)
|
|
return NULL;
|
|
|
|
return vidhash;
|
|
}
|
|
|
|
int
|
|
check_vendorid(gen)
|
|
struct isakmp_gen *gen; /* points to Vendor ID payload */
|
|
{
|
|
vchar_t *vidhash = lcconf->vendorid;
|
|
|
|
plog(LLV_DEBUG, LOCATION, NULL, "Vender ID received\n");
|
|
|
|
if (!gen)
|
|
return -1;
|
|
if (vidhash == NULL) {
|
|
plog(LLV_ERROR, LOCATION, NULL,
|
|
"ignoring Vendor ID as I don't have one.\n");
|
|
return 0;
|
|
}
|
|
|
|
if (vidhash->l == ntohs(gen->len) - sizeof(*gen)
|
|
&& memcmp(vidhash->v, gen + 1, vidhash->l) == 0) {
|
|
plog(LLV_INFO, LOCATION, NULL,
|
|
"Vendor ID matched.\n");
|
|
return 0;
|
|
}
|
|
|
|
plog(LLV_DEBUG, LOCATION, NULL, "Vendor ID mismatch.\n");
|
|
|
|
return -1;
|
|
}
|
|
|