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📄 Makefile.inc(5.08 KB)
📄 Symbol.map(2.8 KB)
📄 base64.c(10.39 KB)
📄 byteorder.3(2.74 KB)
📄 ether_addr.c(5.68 KB)
📄 ethers.3(5.85 KB)
📄 eui64.3(6.37 KB)
📄 eui64.c(8.3 KB)
📄 gai_strerror.3(2.49 KB)
📄 gai_strerror.c(3.98 KB)
📄 getaddrinfo.3(12.12 KB)
📄 getaddrinfo.c(70.2 KB)
📄 gethostbydns.c(19.1 KB)
📄 gethostbyht.c(9.04 KB)
📄 gethostbyname.3(8.74 KB)
📄 gethostbynis.c(6.94 KB)
📄 gethostnamadr.c(17.01 KB)
📄 getifaddrs.3(4.24 KB)
📄 getifaddrs.c(8.57 KB)
📄 getifmaddrs.3(3 KB)
📄 getifmaddrs.c(4.79 KB)
📄 getipnodebyname.3(10.04 KB)
📄 getnameinfo.3(7.6 KB)
📄 getnameinfo.c(13.68 KB)
📄 getnetbydns.c(12 KB)
📄 getnetbyht.c(7.18 KB)
📄 getnetbynis.c(6.09 KB)
📄 getnetent.3(4.36 KB)
📄 getnetnamadr.c(10.46 KB)
📄 getproto.c(3.87 KB)
📄 getprotoent.3(3.78 KB)
📄 getprotoent.c(12.22 KB)
📄 getprotoname.c(4.25 KB)
📄 getservent.3(4.13 KB)
📄 getservent.c(29.69 KB)
📄 hesiod.3(4.19 KB)
📄 hesiod.c(12.17 KB)
📄 hosts(1.01 KB)
📄 hosts.equiv(53 B)
📄 if_indextoname.3(3.94 KB)
📄 if_indextoname.c(2.94 KB)
📄 if_nameindex.c(4.21 KB)
📄 if_nametoindex.c(2.84 KB)
📄 inet.3(7.76 KB)
📄 inet6_opt_init.3(9.07 KB)
📄 inet6_option_space.3(2.18 KB)
📄 inet6_rth_space.3(6.86 KB)
📄 inet6_rthdr_space.3(2.22 KB)
📄 inet_net.3(5.01 KB)
📄 ip6opt.c(15.36 KB)
📄 linkaddr.3(3.94 KB)
📄 linkaddr.c(4.44 KB)
📄 map_v4v6.c(3.93 KB)
📄 name6.c(28.18 KB)
📄 netdb_private.h(5.2 KB)
📄 networks(310 B)
📄 nscache.c(10.91 KB)
📄 nscachedcli.c(14.18 KB)
📄 nsdispatch.3(6.25 KB)
📄 nsdispatch.c(20.3 KB)
📄 nslexer.l(3.01 KB)
📄 nsparser.y(3.91 KB)
📄 nss_backends.h(2.04 KB)
📄 nss_compat.c(7.93 KB)
📄 nsswitch.conf(272 B)
📄 ntoh.c(1.75 KB)
📄 protocols(6.24 KB)
📄 rcmd.3(8.14 KB)
📄 rcmd.c(18.57 KB)
📄 rcmdsh.3(3.23 KB)
📄 rcmdsh.c(4.95 KB)
📄 recv.c(2.22 KB)
📄 res_config.h(299 B)
📄 resolver.3(11.43 KB)
📄 rthdr.c(9.7 KB)
📄 sctp_bindx.3(3.47 KB)
📄 sctp_connectx.3(3.44 KB)
📄 sctp_freepaddrs.3(2.26 KB)
📄 sctp_getaddrlen.3(2.82 KB)
📄 sctp_getassocid.3(2.44 KB)
📄 sctp_getpaddrs.3(3.11 KB)
📄 sctp_opt_info.3(3.55 KB)
📄 sctp_recvmsg.3(8.43 KB)
📄 sctp_send.3(11.12 KB)
📄 sctp_sendmsg.3(10.45 KB)
📄 sctp_sys_calls.c(30.35 KB)
📄 send.c(2.23 KB)
📄 sockatmark.3(3.26 KB)
📄 sockatmark.c(1.59 KB)
📄 sourcefilter.3(6.38 KB)
📄 sourcefilter.c(9.71 KB)
📄 vars.c(2.07 KB)

Editing: eui64.c

/*
 * 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <stdio.h>
#include <paths.h>
#include <sys/param.h>
#include <sys/eui64.h>
#include <string.h>
#include <stdlib.h>
#ifdef YP
#include <rpc/rpc.h>
#include <rpcsvc/yp_prot.h>
#include <rpcsvc/ypclnt.h>
#endif

#ifndef _PATH_EUI64
#define _PATH_EUI64 "/etc/eui64"
#endif

static int eui64_line(const char *l, struct eui64 *e, char *hostname,
    size_t len);

/*
 * Parse a string of text containing an EUI-64 and hostname
 * and separate it into its component parts.
 */
static int
eui64_line(const char *l, struct eui64 *e, char *hostname, size_t len)
{
	char *line, *linehead, *cur;

linehead = strdup(l);
	if (linehead == NULL)
		return (-1);
	line = linehead;

/* Find and parse the EUI64 */
	while ((cur = strsep(&line, " \t\r\n")) != NULL) {
		if (*cur != '\0') {
			if (eui64_aton(cur, e) == 0)
				break;
			else
				goto bad;
		}
	}

/* Find the hostname */
	while ((cur = strsep(&line, " \t\r\n")) != NULL) {
		if (*cur != '\0') {
			if (strlcpy(hostname, cur, len) <= len)
				break;
			else
				goto bad;
		}
	}

/* Make sure what remains is either whitespace or a comment */
	while ((cur = strsep(&line, " \t\r\n")) != NULL) {
		if (*cur == '#')
			break;
		if (*cur != '\0')
			goto bad;
	}

free(linehead);
	return (0);

bad:
	free(linehead);
	return (-1);
}

/*
 * 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);
}

/*
 * Convert a binary representation of an EUI-64 to an ASCII string.
 */
int
eui64_ntoa(const struct eui64 *id, char *a, size_t len)
{
        int i;

i = snprintf(a, len, "%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x",
	    id->octet[0], id->octet[1], id->octet[2], id->octet[3],
	    id->octet[4], id->octet[5], id->octet[6], id->octet[7]);
        if (i < 23 || i >= len)
                return (-1);
        return (0);
}

/*
 * Map an EUI-64 to a hostname. Use either /etc/eui64 or NIS/YP.
 */
int
eui64_ntohost(char *hostname, size_t len, const struct eui64 *id)
{
	FILE *fp;
	char buf[BUFSIZ + 2];
	struct eui64 local_eui64;
	char local_host[MAXHOSTNAMELEN];
#ifdef YP
	char *result;
	int resultlen;
	char eui64_a[24];
	char *yp_domain;
#endif
	if ((fp = fopen(_PATH_EUI64, "re")) == NULL)
		return (1);

while (fgets(buf,BUFSIZ,fp)) {
		if (buf[0] == '#')
			continue;
#ifdef YP
		if (buf[0] == '+') {
			if (yp_get_default_domain(&yp_domain))
				continue;
			eui64_ntoa(id, eui64_a, sizeof(eui64_a));
			if (yp_match(yp_domain, "eui64.byid", eui64_a,
				strlen(eui64_a), &result, &resultlen)) {
				continue;
			}
			strncpy(buf, result, resultlen);
			buf[resultlen] = '\0';
			free(result);
		}
#endif
		if (eui64_line(buf, &local_eui64, local_host,
		    sizeof(local_host)) == 0) {
			if (bcmp(&local_eui64.octet[0],
				&id->octet[0], EUI64_LEN) == 0) {
			/* We have a match */
				strcpy(hostname, local_host);
				fclose(fp);
				return(0);
			}
		}
	}
	fclose(fp);
	return (1);
}

/*
 * Map a hostname to an EUI-64 using /etc/eui64 or NIS/YP.
 */
int
eui64_hostton(const char *hostname, struct eui64 *id)
{
	FILE *fp;
	char buf[BUFSIZ + 2];
	struct eui64 local_eui64;
	char local_host[MAXHOSTNAMELEN];
#ifdef YP
	char *result;
	int resultlen;
	char *yp_domain;
#endif
	if ((fp = fopen(_PATH_EUI64, "re")) == NULL)
		return (1);

while (fgets(buf,BUFSIZ,fp)) {
		if (buf[0] == '#')
			continue;
#ifdef YP
		if (buf[0] == '+') {
			if (yp_get_default_domain(&yp_domain))
				continue;
			if (yp_match(yp_domain, "eui64.byname", hostname,
				strlen(hostname), &result, &resultlen)) {
				continue;
			}
			strncpy(buf, result, resultlen);
			buf[resultlen] = '\0';
			free(result);
		}
#endif
		if (eui64_line(buf, &local_eui64, local_host,
		    sizeof(local_host)) == 0) {
			if (strcmp(hostname, local_host) == 0) {
				/* We have a match */
				bcopy(&local_eui64, id, sizeof(struct eui64));
				fclose(fp);
				return(0);
			}
		}
	}
	fclose(fp);
	return (1);
}

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