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/*
* Copyright (C) 1996-2025 The Squid Software Foundation and contributors
*
* Squid software is distributed under GPLv2+ license and includes
* contributions from numerous individuals and organizations.
* Please see the COPYING and CONTRIBUTORS files for details.
*/
/*
* Squid Change History:
*
* 2009-10-16 : import eui64_aton() function from NetBSD eui64.c
*/
/* $NetBSD: eui64.c,v 1.1 2005/07/11 15:35:25 kiyohara Exp $ */
/*
* Copyright 2004 The Aerospace Corporation. 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 Aerospace Corporation may not be used to endorse or
* promote products derived from this software.
*
* THIS SOFTWARE IS PROVIDED BY THE AEROSPACE CORPORATION "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 AEROSPACE CORPORATION 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.
*
* Copyright (c) 1995
* Bill Paul <wpaul@ctr.columbia.edu>. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 REGENTS 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.
*
* EUI-64 conversion and lookup routines
*
*
* Converted from ether_addr.c rev
* FreeBSD: src/lib/libc/net/eui64.c,v 1.15 2002/04/08 07:51:10 ru Exp
* by Brooks Davis
*
* Written by Bill Paul <wpaul@ctr.columbia.edu>
* Center for Telecommunications Research
* Columbia University, New York City
*/
#include "squid.h"
#include "compat/eui64_aton.h"
#if SQUID_EUI64_ATON
/*
* Convert an ASCII representation of an EUI-64 to binary form.
*/
int
eui64_aton(const char *a, struct eui64 *e)
{
int i;
unsigned int o0, o1, o2, o3, o4, o5, o6, o7;
/* canonical form */
i = sscanf(a, "%x-%x-%x-%x-%x-%x-%x-%x",
&o0, &o1, &o2, &o3, &o4, &o5, &o6, &o7);
if (i == EUI64_LEN)
goto good;
/* ethernet form */
i = sscanf(a, "%x:%x:%x:%x:%x:%x:%x:%x",
&o0, &o1, &o2, &o3, &o4, &o5, &o6, &o7);
if (i == EUI64_LEN)
goto good;
/* classic fwcontrol/dconschat form */
i = sscanf(a, "0x%2x%2x%2x%2x%2x%2x%2x%2x",
&o0, &o1, &o2, &o3, &o4, &o5, &o6, &o7);
if (i == EUI64_LEN)
goto good;
/* MAC format (-) */
i = sscanf(a, "%x-%x-%x-%x-%x-%x",
&o0, &o1, &o2, &o5, &o6, &o7);
if (i == 6) {
o3 = 0xff;
o4 = 0xfe;
goto good;
}
/* MAC format (:) */
i = sscanf(a, "%x:%x:%x:%x:%x:%x",
&o0, &o1, &o2, &o5, &o6, &o7);
if (i == 6) {
o3 = 0xff;
o4 = 0xfe;
goto good;
}
return (-1);
good:
e->octet[0]=o0;
e->octet[1]=o1;
e->octet[2]=o2;
e->octet[3]=o3;
e->octet[4]=o4;
e->octet[5]=o5;
e->octet[6]=o6;
e->octet[7]=o7;
return (0);
}
#endif /* !SQUID_EUI64_ATON */
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