+/*
+ * Squid Change History:
+ *
+ * 2009-10-16 : import eui64_ntoa() 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 <stdio.h>
+#include "eui64_aton.h"
+
+
+/*
+ * 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);
+}