f193c8ce0d
Expand inet6name() line buffer to NI_MAXHOST and use strlcpy/snprintf in various places. Reported by: Anton Yuzhaninov <citrin citrin ru> MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D8916
1353 lines
32 KiB
C
1353 lines
32 KiB
C
/* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */
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/*-
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* Copyright (c) 1983, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)inet6.c 8.4 (Berkeley) 4/20/94";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#ifdef INET6
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/ioctl.h>
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#include <sys/mbuf.h>
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#include <sys/protosw.h>
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#include <net/route.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/ip6.h>
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#include <netinet/icmp6.h>
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#include <netinet/in_systm.h>
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#include <netinet6/in6_pcb.h>
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#include <netinet6/in6_var.h>
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#include <netinet6/ip6_var.h>
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#include <netinet6/pim6_var.h>
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#include <netinet6/raw_ip6.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <err.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <libxo/xo.h>
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#include "netstat.h"
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static char ntop_buf[INET6_ADDRSTRLEN];
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static const char *ip6nh[] = {
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"hop by hop",
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"ICMP",
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"IGMP",
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"#3",
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"IP",
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"#5",
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"TCP",
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"#7",
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"#8",
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"#9",
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"#10",
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"#11",
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"#12",
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"#13",
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"#14",
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"#15",
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"#16",
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"UDP",
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"#18",
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"#19",
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"#20",
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"#21",
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"IDP",
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"#23",
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"#24",
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"#25",
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"#26",
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"#27",
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"#28",
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"TP",
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"#30",
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"#31",
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"#32",
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"#33",
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"#34",
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"#35",
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"#36",
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"#37",
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"#38",
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"#39",
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"#40",
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"IP6",
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"#42",
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"routing",
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"fragment",
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"#45",
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"#46",
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"#47",
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"#48",
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"#49",
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"ESP",
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"AH",
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"#52",
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"#53",
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"#54",
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"#55",
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"#56",
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"#57",
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"ICMP6",
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"no next header",
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"destination option",
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"#61",
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"mobility",
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"#63",
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"#64",
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"#65",
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"#66",
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"#67",
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"#68",
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"#69",
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"#70",
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"#71",
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"#72",
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"#73",
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"#74",
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"#75",
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"#76",
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"#77",
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"#78",
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"#79",
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"ISOIP",
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"#81",
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"#82",
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"#83",
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"#84",
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"#85",
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"#86",
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"#87",
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"#88",
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"OSPF",
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"#80",
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"#91",
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"#92",
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"#93",
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"#94",
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"#95",
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"#96",
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"Ethernet",
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"#98",
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"#99",
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"#100",
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"#101",
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"#102",
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"PIM",
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"#104",
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"#105",
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"#106",
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"#107",
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"#108",
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"#109",
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"#110",
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"#111",
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"#112",
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"#113",
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"#114",
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"#115",
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"#116",
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"#117",
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"#118",
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"#119",
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"#120",
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"#121",
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"#122",
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"#123",
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"#124",
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"#125",
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"#126",
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"#127",
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"#128",
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"#129",
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"#130",
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"#131",
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"SCTP",
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"#133",
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"#134",
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"#135",
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"UDPLite",
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"#137",
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"#138",
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"#139",
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"#140",
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"#141",
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"#142",
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"#143",
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"#144",
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"#145",
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"#146",
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"#147",
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"#148",
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"#149",
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"#150",
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"#151",
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"#152",
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"#153",
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"#154",
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"#155",
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"#156",
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"#157",
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"#158",
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"#159",
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"#160",
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"#161",
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"#162",
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"#163",
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"#164",
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"#165",
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"#166",
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"#167",
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"#168",
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"#169",
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"#170",
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"#171",
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"#172",
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"#173",
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"#174",
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"#175",
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"#176",
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"#177",
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"#178",
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"#179",
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"#180",
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"#181",
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"#182",
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"#183",
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"#184",
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"#185",
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"#186",
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"#187",
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"#188",
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"#189",
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"#180",
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"#191",
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"#192",
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"#193",
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"#194",
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"#195",
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"#196",
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"#197",
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"#198",
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"#199",
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"#200",
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"#201",
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"#202",
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"#203",
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"#204",
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"#205",
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"#206",
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"#207",
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"#208",
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"#209",
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"#210",
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"#211",
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"#212",
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"#213",
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"#214",
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"#215",
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"#216",
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"#217",
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"#218",
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"#219",
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"#220",
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"#221",
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"#222",
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"#223",
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"#224",
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"#225",
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"#226",
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"#227",
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"#228",
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"#229",
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"#230",
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"#231",
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"#232",
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"#233",
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"#234",
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"#235",
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"#236",
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"#237",
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"#238",
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"#239",
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"#240",
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"#241",
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"#242",
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"#243",
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"#244",
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"#245",
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"#246",
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"#247",
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"#248",
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"#249",
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"#250",
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"#251",
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"#252",
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"#253",
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"#254",
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"#255",
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};
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static const char *srcrule_str[] = {
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"first candidate",
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"same address",
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"appropriate scope",
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"deprecated address",
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"home address",
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"outgoing interface",
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"matching label",
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"public/temporary address",
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"alive interface",
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"better virtual status",
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"preferred source",
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"rule #11",
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"rule #12",
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"rule #13",
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"longest match",
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"rule #15",
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};
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/*
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* Dump IP6 statistics structure.
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*/
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void
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ip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
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{
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struct ip6stat ip6stat;
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int first, i;
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if (fetch_stats("net.inet6.ip6.stats", off, &ip6stat,
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sizeof(ip6stat), kread_counters) != 0)
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return;
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xo_open_container(name);
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xo_emit("{T:/%s}:\n", name);
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#define p(f, m) if (ip6stat.f || sflag <= 1) \
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xo_emit(m, (uintmax_t)ip6stat.f, plural(ip6stat.f))
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#define p1a(f, m) if (ip6stat.f || sflag <= 1) \
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xo_emit(m, (uintmax_t)ip6stat.f)
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p(ip6s_total, "\t{:received-packets/%ju} "
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"{N:/total packet%s received}\n");
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p1a(ip6s_toosmall, "\t{:dropped-below-minimum-size/%ju} "
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"{N:/with size smaller than minimum}\n");
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p1a(ip6s_tooshort, "\t{:dropped-short-packets/%ju} "
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"{N:/with data size < data length}\n");
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p1a(ip6s_badoptions, "\t{:dropped-bad-options/%ju} "
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"{N:/with bad options}\n");
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p1a(ip6s_badvers, "\t{:dropped-bad-version/%ju} "
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"{N:/with incorrect version number}\n");
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p(ip6s_fragments, "\t{:received-fragments/%ju} "
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"{N:/fragment%s received}\n");
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p(ip6s_fragdropped, "\t{:dropped-fragment/%ju} "
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"{N:/fragment%s dropped (dup or out of space)}\n");
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p(ip6s_fragtimeout, "\t{:dropped-fragment-after-timeout/%ju} "
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"{N:/fragment%s dropped after timeout}\n");
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p(ip6s_fragoverflow, "\t{:dropped-fragments-overflow/%ju} "
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"{N:/fragment%s that exceeded limit}\n");
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p(ip6s_reassembled, "\t{:reassembled-packets/%ju} "
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"{N:/packet%s reassembled ok}\n");
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p(ip6s_delivered, "\t{:received-local-packets/%ju} "
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"{N:/packet%s for this host}\n");
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p(ip6s_forward, "\t{:forwarded-packets/%ju} "
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"{N:/packet%s forwarded}\n");
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p(ip6s_cantforward, "\t{:packets-not-forwardable/%ju} "
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"{N:/packet%s not forwardable}\n");
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p(ip6s_redirectsent, "\t{:sent-redirects/%ju} "
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"{N:/redirect%s sent}\n");
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p(ip6s_localout, "\t{:sent-packets/%ju} "
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"{N:/packet%s sent from this host}\n");
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p(ip6s_rawout, "\t{:send-packets-fabricated-header/%ju} "
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"{N:/packet%s sent with fabricated ip header}\n");
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p(ip6s_odropped, "\t{:discard-no-mbufs/%ju} "
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"{N:/output packet%s dropped due to no bufs, etc.}\n");
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p(ip6s_noroute, "\t{:discard-no-route/%ju} "
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"{N:/output packet%s discarded due to no route}\n");
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p(ip6s_fragmented, "\t{:sent-fragments/%ju} "
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"{N:/output datagram%s fragmented}\n");
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p(ip6s_ofragments, "\t{:fragments-created/%ju} "
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"{N:/fragment%s created}\n");
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p(ip6s_cantfrag, "\t{:discard-cannot-fragment/%ju} "
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"{N:/datagram%s that can't be fragmented}\n");
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p(ip6s_badscope, "\t{:discard-scope-violations/%ju} "
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"{N:/packet%s that violated scope rules}\n");
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p(ip6s_notmember, "\t{:multicast-no-join-packets/%ju} "
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"{N:/multicast packet%s which we don't join}\n");
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for (first = 1, i = 0; i < IP6S_HDRCNT; i++)
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if (ip6stat.ip6s_nxthist[i] != 0) {
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if (first) {
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xo_emit("\t{T:Input histogram}:\n");
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xo_open_list("input-histogram");
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first = 0;
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}
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xo_open_instance("input-histogram");
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xo_emit("\t\t{k:name/%s}: {:count/%ju}\n", ip6nh[i],
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(uintmax_t)ip6stat.ip6s_nxthist[i]);
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xo_close_instance("input-histogram");
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}
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if (!first)
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xo_close_list("input-histogram");
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xo_open_container("mbuf-statistics");
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xo_emit("\t{T:Mbuf statistics}:\n");
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xo_emit("\t\t{:one-mbuf/%ju} {N:/one mbuf}\n",
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(uintmax_t)ip6stat.ip6s_m1);
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for (first = 1, i = 0; i < IP6S_M2MMAX; i++) {
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char ifbuf[IFNAMSIZ];
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if (ip6stat.ip6s_m2m[i] != 0) {
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if (first) {
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xo_emit("\t\t{N:two or more mbuf}:\n");
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xo_open_list("mbuf-data");
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first = 0;
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}
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xo_open_instance("mbuf-data");
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xo_emit("\t\t\t{k:name/%s}= {:count/%ju}\n",
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if_indextoname(i, ifbuf),
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(uintmax_t)ip6stat.ip6s_m2m[i]);
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xo_close_instance("mbuf-data");
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}
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}
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if (!first)
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xo_close_list("mbuf-data");
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xo_emit("\t\t{:one-extra-mbuf/%ju} {N:one ext mbuf}\n",
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(uintmax_t)ip6stat.ip6s_mext1);
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xo_emit("\t\t{:two-or-more-extra-mbufs/%ju} "
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"{N:/two or more ext mbuf}\n", (uintmax_t)ip6stat.ip6s_mext2m);
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xo_close_container("mbuf-statistics");
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p(ip6s_exthdrtoolong, "\t{:dropped-header-too-long/%ju} "
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"{N:/packet%s whose headers are not contiguous}\n");
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p(ip6s_nogif, "\t{:discard-tunnel-no-gif/%ju} "
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"{N:/tunneling packet%s that can't find gif}\n");
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p(ip6s_toomanyhdr, "\t{:dropped-too-many-headers/%ju} "
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"{N:/packet%s discarded because of too many headers}\n");
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/* for debugging source address selection */
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#define PRINT_SCOPESTAT(s,i) do {\
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switch(i) { /* XXX hardcoding in each case */\
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case 1:\
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p(s, "\t\t{ke:name/interface-locals}{:count/%ju} " \
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"{N:/interface-local%s}\n"); \
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break;\
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case 2:\
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p(s,"\t\t{ke:name/link-locals}{:count/%ju} " \
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"{N:/link-local%s}\n"); \
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break;\
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case 5:\
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p(s,"\t\t{ke:name/site-locals}{:count/%ju} " \
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"{N:/site-local%s}\n");\
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break;\
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case 14:\
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p(s,"\t\t{ke:name/globals}{:count/%ju} " \
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"{N:/global%s}\n");\
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break;\
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default:\
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xo_emit("\t\t{qke:name/%#x}{:count/%ju} " \
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"{N:/addresses scope=%#x}\n",\
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i, (uintmax_t)ip6stat.s, i); \
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}\
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} while (0);
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|
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xo_open_container("source-address-selection");
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p(ip6s_sources_none, "\t{:address-selection-failures/%ju} "
|
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"{N:/failure%s of source address selection}\n");
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|
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for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
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if (ip6stat.ip6s_sources_sameif[i]) {
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if (first) {
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xo_open_list("outgoing-interface");
|
|
xo_emit("\tsource addresses on an outgoing "
|
|
"I/F\n");
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|
first = 0;
|
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}
|
|
xo_open_instance("outgoing-interface");
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|
PRINT_SCOPESTAT(ip6s_sources_sameif[i], i);
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|
xo_close_instance("outgoing-interface");
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|
}
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|
}
|
|
if (!first)
|
|
xo_close_list("outgoing-interface");
|
|
|
|
for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
|
|
if (ip6stat.ip6s_sources_otherif[i]) {
|
|
if (first) {
|
|
xo_open_list("non-outgoing-interface");
|
|
xo_emit("\tsource addresses on a non-outgoing "
|
|
"I/F\n");
|
|
first = 0;
|
|
}
|
|
xo_open_instance("non-outgoing-interface");
|
|
PRINT_SCOPESTAT(ip6s_sources_otherif[i], i);
|
|
xo_close_instance("non-outgoing-interface");
|
|
}
|
|
}
|
|
if (!first)
|
|
xo_close_list("non-outgoing-interface");
|
|
|
|
for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
|
|
if (ip6stat.ip6s_sources_samescope[i]) {
|
|
if (first) {
|
|
xo_open_list("same-source");
|
|
xo_emit("\tsource addresses of same scope\n");
|
|
first = 0;
|
|
}
|
|
xo_open_instance("same-source");
|
|
PRINT_SCOPESTAT(ip6s_sources_samescope[i], i);
|
|
xo_close_instance("same-source");
|
|
}
|
|
}
|
|
if (!first)
|
|
xo_close_list("same-source");
|
|
|
|
for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
|
|
if (ip6stat.ip6s_sources_otherscope[i]) {
|
|
if (first) {
|
|
xo_open_list("different-scope");
|
|
xo_emit("\tsource addresses of a different "
|
|
"scope\n");
|
|
first = 0;
|
|
}
|
|
xo_open_instance("different-scope");
|
|
PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i);
|
|
xo_close_instance("different-scope");
|
|
}
|
|
}
|
|
if (!first)
|
|
xo_close_list("different-scope");
|
|
|
|
for (first = 1, i = 0; i < IP6S_SCOPECNT; i++) {
|
|
if (ip6stat.ip6s_sources_deprecated[i]) {
|
|
if (first) {
|
|
xo_open_list("deprecated-source");
|
|
xo_emit("\tdeprecated source addresses\n");
|
|
first = 0;
|
|
}
|
|
xo_open_instance("deprecated-source");
|
|
PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i);
|
|
xo_close_instance("deprecated-source");
|
|
}
|
|
}
|
|
if (!first)
|
|
xo_close_list("deprecated-source");
|
|
|
|
for (first = 1, i = 0; i < IP6S_RULESMAX; i++) {
|
|
if (ip6stat.ip6s_sources_rule[i]) {
|
|
if (first) {
|
|
xo_open_list("rules-applied");
|
|
xo_emit("\t{T:Source addresses selection "
|
|
"rule applied}:\n");
|
|
first = 0;
|
|
}
|
|
xo_open_instance("rules-applied");
|
|
xo_emit("\t\t{ke:name/%s}{:count/%ju} {d:name/%s}\n",
|
|
srcrule_str[i],
|
|
(uintmax_t)ip6stat.ip6s_sources_rule[i],
|
|
srcrule_str[i]);
|
|
xo_close_instance("rules-applied");
|
|
}
|
|
}
|
|
if (!first)
|
|
xo_close_list("rules-applied");
|
|
|
|
xo_close_container("source-address-selection");
|
|
|
|
#undef p
|
|
#undef p1a
|
|
xo_close_container(name);
|
|
}
|
|
|
|
/*
|
|
* Dump IPv6 per-interface statistics based on RFC 2465.
|
|
*/
|
|
void
|
|
ip6_ifstats(char *ifname)
|
|
{
|
|
struct in6_ifreq ifr;
|
|
int s;
|
|
|
|
#define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
|
|
xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_stat.f, \
|
|
plural(ifr.ifr_ifru.ifru_stat.f))
|
|
|
|
if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
|
|
xo_warn("Warning: socket(AF_INET6)");
|
|
return;
|
|
}
|
|
|
|
strcpy(ifr.ifr_name, ifname);
|
|
if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) {
|
|
if (errno != EPFNOSUPPORT)
|
|
xo_warn("Warning: ioctl(SIOCGIFSTAT_IN6)");
|
|
goto end;
|
|
}
|
|
|
|
xo_emit("{T:/ip6 on %s}:\n", ifr.ifr_name);
|
|
|
|
xo_open_instance("ip6-interface-statistics");
|
|
xo_emit("{ke:name/%s}", ifr.ifr_name);
|
|
|
|
p(ifs6_in_receive, "\t{:received-packets/%ju} "
|
|
"{N:/total input datagram%s}\n");
|
|
p(ifs6_in_hdrerr, "\t{:dropped-invalid-header/%ju} "
|
|
"{N:/datagram%s with invalid header received}\n");
|
|
p(ifs6_in_toobig, "\t{:dropped-mtu-exceeded/%ju} "
|
|
"{N:/datagram%s exceeded MTU received}\n");
|
|
p(ifs6_in_noroute, "\t{:dropped-no-route/%ju} "
|
|
"{N:/datagram%s with no route received}\n");
|
|
p(ifs6_in_addrerr, "\t{:dropped-invalid-destination/%ju} "
|
|
"{N:/datagram%s with invalid dst received}\n");
|
|
p(ifs6_in_protounknown, "\t{:dropped-unknown-protocol/%ju} "
|
|
"{N:/datagram%s with unknown proto received}\n");
|
|
p(ifs6_in_truncated, "\t{:dropped-truncated/%ju} "
|
|
"{N:/truncated datagram%s received}\n");
|
|
p(ifs6_in_discard, "\t{:dropped-discarded/%ju} "
|
|
"{N:/input datagram%s discarded}\n");
|
|
p(ifs6_in_deliver, "\t{:received-valid-packets/%ju} "
|
|
"{N:/datagram%s delivered to an upper layer protocol}\n");
|
|
p(ifs6_out_forward, "\t{:sent-forwarded/%ju} "
|
|
"{N:/datagram%s forwarded to this interface}\n");
|
|
p(ifs6_out_request, "\t{:sent-packets/%ju} "
|
|
"{N:/datagram%s sent from an upper layer protocol}\n");
|
|
p(ifs6_out_discard, "\t{:discard-packets/%ju} "
|
|
"{N:/total discarded output datagram%s}\n");
|
|
p(ifs6_out_fragok, "\t{:discard-fragments/%ju} "
|
|
"{N:/output datagram%s fragmented}\n");
|
|
p(ifs6_out_fragfail, "\t{:fragments-failed/%ju} "
|
|
"{N:/output datagram%s failed on fragment}\n");
|
|
p(ifs6_out_fragcreat, "\t{:fragments-created/%ju} "
|
|
"{N:/output datagram%s succeeded on fragment}\n");
|
|
p(ifs6_reass_reqd, "\t{:reassembly-required/%ju} "
|
|
"{N:/incoming datagram%s fragmented}\n");
|
|
p(ifs6_reass_ok, "\t{:reassembled-packets/%ju} "
|
|
"{N:/datagram%s reassembled}\n");
|
|
p(ifs6_reass_fail, "\t{:reassembly-failed/%ju} "
|
|
"{N:/datagram%s failed on reassembly}\n");
|
|
p(ifs6_in_mcast, "\t{:received-multicast/%ju} "
|
|
"{N:/multicast datagram%s received}\n");
|
|
p(ifs6_out_mcast, "\t{:sent-multicast/%ju} "
|
|
"{N:/multicast datagram%s sent}\n");
|
|
|
|
end:
|
|
xo_close_instance("ip6-interface-statistics");
|
|
close(s);
|
|
|
|
#undef p
|
|
}
|
|
|
|
static const char *icmp6names[] = {
|
|
"#0",
|
|
"unreach",
|
|
"packet too big",
|
|
"time exceed",
|
|
"parameter problem",
|
|
"#5",
|
|
"#6",
|
|
"#7",
|
|
"#8",
|
|
"#9",
|
|
"#10",
|
|
"#11",
|
|
"#12",
|
|
"#13",
|
|
"#14",
|
|
"#15",
|
|
"#16",
|
|
"#17",
|
|
"#18",
|
|
"#19",
|
|
"#20",
|
|
"#21",
|
|
"#22",
|
|
"#23",
|
|
"#24",
|
|
"#25",
|
|
"#26",
|
|
"#27",
|
|
"#28",
|
|
"#29",
|
|
"#30",
|
|
"#31",
|
|
"#32",
|
|
"#33",
|
|
"#34",
|
|
"#35",
|
|
"#36",
|
|
"#37",
|
|
"#38",
|
|
"#39",
|
|
"#40",
|
|
"#41",
|
|
"#42",
|
|
"#43",
|
|
"#44",
|
|
"#45",
|
|
"#46",
|
|
"#47",
|
|
"#48",
|
|
"#49",
|
|
"#50",
|
|
"#51",
|
|
"#52",
|
|
"#53",
|
|
"#54",
|
|
"#55",
|
|
"#56",
|
|
"#57",
|
|
"#58",
|
|
"#59",
|
|
"#60",
|
|
"#61",
|
|
"#62",
|
|
"#63",
|
|
"#64",
|
|
"#65",
|
|
"#66",
|
|
"#67",
|
|
"#68",
|
|
"#69",
|
|
"#70",
|
|
"#71",
|
|
"#72",
|
|
"#73",
|
|
"#74",
|
|
"#75",
|
|
"#76",
|
|
"#77",
|
|
"#78",
|
|
"#79",
|
|
"#80",
|
|
"#81",
|
|
"#82",
|
|
"#83",
|
|
"#84",
|
|
"#85",
|
|
"#86",
|
|
"#87",
|
|
"#88",
|
|
"#89",
|
|
"#80",
|
|
"#91",
|
|
"#92",
|
|
"#93",
|
|
"#94",
|
|
"#95",
|
|
"#96",
|
|
"#97",
|
|
"#98",
|
|
"#99",
|
|
"#100",
|
|
"#101",
|
|
"#102",
|
|
"#103",
|
|
"#104",
|
|
"#105",
|
|
"#106",
|
|
"#107",
|
|
"#108",
|
|
"#109",
|
|
"#110",
|
|
"#111",
|
|
"#112",
|
|
"#113",
|
|
"#114",
|
|
"#115",
|
|
"#116",
|
|
"#117",
|
|
"#118",
|
|
"#119",
|
|
"#120",
|
|
"#121",
|
|
"#122",
|
|
"#123",
|
|
"#124",
|
|
"#125",
|
|
"#126",
|
|
"#127",
|
|
"echo",
|
|
"echo reply",
|
|
"multicast listener query",
|
|
"MLDv1 listener report",
|
|
"MLDv1 listener done",
|
|
"router solicitation",
|
|
"router advertisement",
|
|
"neighbor solicitation",
|
|
"neighbor advertisement",
|
|
"redirect",
|
|
"router renumbering",
|
|
"node information request",
|
|
"node information reply",
|
|
"inverse neighbor solicitation",
|
|
"inverse neighbor advertisement",
|
|
"MLDv2 listener report",
|
|
"#144",
|
|
"#145",
|
|
"#146",
|
|
"#147",
|
|
"#148",
|
|
"#149",
|
|
"#150",
|
|
"#151",
|
|
"#152",
|
|
"#153",
|
|
"#154",
|
|
"#155",
|
|
"#156",
|
|
"#157",
|
|
"#158",
|
|
"#159",
|
|
"#160",
|
|
"#161",
|
|
"#162",
|
|
"#163",
|
|
"#164",
|
|
"#165",
|
|
"#166",
|
|
"#167",
|
|
"#168",
|
|
"#169",
|
|
"#170",
|
|
"#171",
|
|
"#172",
|
|
"#173",
|
|
"#174",
|
|
"#175",
|
|
"#176",
|
|
"#177",
|
|
"#178",
|
|
"#179",
|
|
"#180",
|
|
"#181",
|
|
"#182",
|
|
"#183",
|
|
"#184",
|
|
"#185",
|
|
"#186",
|
|
"#187",
|
|
"#188",
|
|
"#189",
|
|
"#180",
|
|
"#191",
|
|
"#192",
|
|
"#193",
|
|
"#194",
|
|
"#195",
|
|
"#196",
|
|
"#197",
|
|
"#198",
|
|
"#199",
|
|
"#200",
|
|
"#201",
|
|
"#202",
|
|
"#203",
|
|
"#204",
|
|
"#205",
|
|
"#206",
|
|
"#207",
|
|
"#208",
|
|
"#209",
|
|
"#210",
|
|
"#211",
|
|
"#212",
|
|
"#213",
|
|
"#214",
|
|
"#215",
|
|
"#216",
|
|
"#217",
|
|
"#218",
|
|
"#219",
|
|
"#220",
|
|
"#221",
|
|
"#222",
|
|
"#223",
|
|
"#224",
|
|
"#225",
|
|
"#226",
|
|
"#227",
|
|
"#228",
|
|
"#229",
|
|
"#230",
|
|
"#231",
|
|
"#232",
|
|
"#233",
|
|
"#234",
|
|
"#235",
|
|
"#236",
|
|
"#237",
|
|
"#238",
|
|
"#239",
|
|
"#240",
|
|
"#241",
|
|
"#242",
|
|
"#243",
|
|
"#244",
|
|
"#245",
|
|
"#246",
|
|
"#247",
|
|
"#248",
|
|
"#249",
|
|
"#250",
|
|
"#251",
|
|
"#252",
|
|
"#253",
|
|
"#254",
|
|
"#255",
|
|
};
|
|
|
|
/*
|
|
* Dump ICMP6 statistics.
|
|
*/
|
|
void
|
|
icmp6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
|
|
{
|
|
struct icmp6stat icmp6stat;
|
|
int i, first;
|
|
|
|
if (fetch_stats("net.inet6.icmp6.stats", off, &icmp6stat,
|
|
sizeof(icmp6stat), kread_counters) != 0)
|
|
return;
|
|
|
|
xo_emit("{T:/%s}:\n", name);
|
|
xo_open_container(name);
|
|
|
|
#define p(f, m) if (icmp6stat.f || sflag <= 1) \
|
|
xo_emit(m, (uintmax_t)icmp6stat.f, plural(icmp6stat.f))
|
|
#define p_5(f, m) if (icmp6stat.f || sflag <= 1) \
|
|
xo_emit(m, (uintmax_t)icmp6stat.f)
|
|
|
|
p(icp6s_error, "\t{:icmp6-calls/%ju} "
|
|
"{N:/call%s to icmp6_error}\n");
|
|
p(icp6s_canterror, "\t{:errors-not-generated-from-message/%ju} "
|
|
"{N:/error%s not generated in response to an icmp6 message}\n");
|
|
p(icp6s_toofreq, "\t{:errors-discarded-by-rate-limitation/%ju} "
|
|
"{N:/error%s not generated because of rate limitation}\n");
|
|
#define NELEM (int)(sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0]))
|
|
for (first = 1, i = 0; i < NELEM; i++)
|
|
if (icmp6stat.icp6s_outhist[i] != 0) {
|
|
if (first) {
|
|
xo_open_list("output-histogram");
|
|
xo_emit("\t{T:Output histogram}:\n");
|
|
first = 0;
|
|
}
|
|
xo_open_instance("output-histogram");
|
|
xo_emit("\t\t{k:name/%s}: {:count/%ju}\n",
|
|
icmp6names[i],
|
|
(uintmax_t)icmp6stat.icp6s_outhist[i]);
|
|
xo_close_instance("output-histogram");
|
|
}
|
|
if (!first)
|
|
xo_close_list("output-histogram");
|
|
#undef NELEM
|
|
|
|
p(icp6s_badcode, "\t{:dropped-bad-code/%ju} "
|
|
"{N:/message%s with bad code fields}\n");
|
|
p(icp6s_tooshort, "\t{:dropped-too-short/%ju} "
|
|
"{N:/message%s < minimum length}\n");
|
|
p(icp6s_checksum, "\t{:dropped-bad-checksum/%ju} "
|
|
"{N:/bad checksum%s}\n");
|
|
p(icp6s_badlen, "\t{:dropped-bad-length/%ju} "
|
|
"{N:/message%s with bad length}\n");
|
|
#define NELEM (int)(sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0]))
|
|
for (first = 1, i = 0; i < NELEM; i++)
|
|
if (icmp6stat.icp6s_inhist[i] != 0) {
|
|
if (first) {
|
|
xo_open_list("input-histogram");
|
|
xo_emit("\t{T:Input histogram}:\n");
|
|
first = 0;
|
|
}
|
|
xo_open_instance("input-histogram");
|
|
xo_emit("\t\t{k:name/%s}: {:count/%ju}\n",
|
|
icmp6names[i],
|
|
(uintmax_t)icmp6stat.icp6s_inhist[i]);
|
|
xo_close_instance("input-histogram");
|
|
}
|
|
if (!first)
|
|
xo_close_list("input-histogram");
|
|
#undef NELEM
|
|
xo_emit("\t{T:Histogram of error messages to be generated}:\n");
|
|
xo_open_container("errors");
|
|
p_5(icp6s_odst_unreach_noroute, "\t\t{:no-route/%ju} "
|
|
"{N:/no route}\n");
|
|
p_5(icp6s_odst_unreach_admin, "\t\t{:admin-prohibited/%ju} "
|
|
"{N:/administratively prohibited}\n");
|
|
p_5(icp6s_odst_unreach_beyondscope, "\t\t{:beyond-scope/%ju} "
|
|
"{N:/beyond scope}\n");
|
|
p_5(icp6s_odst_unreach_addr, "\t\t{:address-unreachable/%ju} "
|
|
"{N:/address unreachable}\n");
|
|
p_5(icp6s_odst_unreach_noport, "\t\t{:port-unreachable/%ju} "
|
|
"{N:/port unreachable}\n");
|
|
p_5(icp6s_opacket_too_big, "\t\t{:packet-too-big/%ju} "
|
|
"{N:/packet too big}\n");
|
|
p_5(icp6s_otime_exceed_transit, "\t\t{:time-exceed-transmit/%ju} "
|
|
"{N:/time exceed transit}\n");
|
|
p_5(icp6s_otime_exceed_reassembly, "\t\t{:time-exceed-reassembly/%ju} "
|
|
"{N:/time exceed reassembly}\n");
|
|
p_5(icp6s_oparamprob_header, "\t\t{:bad-header/%ju} "
|
|
"{N:/erroneous header field}\n");
|
|
p_5(icp6s_oparamprob_nextheader, "\t\t{:bad-next-header/%ju} "
|
|
"{N:/unrecognized next header}\n");
|
|
p_5(icp6s_oparamprob_option, "\t\t{:bad-option/%ju} "
|
|
"{N:/unrecognized option}\n");
|
|
p_5(icp6s_oredirect, "\t\t{:redirects/%ju} "
|
|
"{N:/redirect}\n");
|
|
p_5(icp6s_ounknown, "\t\t{:unknown/%ju} {N:unknown}\n");
|
|
|
|
p(icp6s_reflect, "\t{:reflect/%ju} "
|
|
"{N:/message response%s generated}\n");
|
|
p(icp6s_nd_toomanyopt, "\t{:too-many-nd-options/%ju} "
|
|
"{N:/message%s with too many ND options}\n");
|
|
p(icp6s_nd_badopt, "\t{:bad-nd-options/%ju} "
|
|
"{N:/message%s with bad ND options}\n");
|
|
p(icp6s_badns, "\t{:bad-neighbor-solicitation/%ju} "
|
|
"{N:/bad neighbor solicitation message%s}\n");
|
|
p(icp6s_badna, "\t{:bad-neighbor-advertisement/%ju} "
|
|
"{N:/bad neighbor advertisement message%s}\n");
|
|
p(icp6s_badrs, "\t{:bad-router-solicitation/%ju} "
|
|
"{N:/bad router solicitation message%s}\n");
|
|
p(icp6s_badra, "\t{:bad-router-advertisement/%ju} "
|
|
"{N:/bad router advertisement message%s}\n");
|
|
p(icp6s_badredirect, "\t{:bad-redirect/%ju} "
|
|
"{N:/bad redirect message%s}\n");
|
|
xo_close_container("errors");
|
|
p(icp6s_pmtuchg, "\t{:path-mtu-changes/%ju} {N:/path MTU change%s}\n");
|
|
#undef p
|
|
#undef p_5
|
|
xo_close_container(name);
|
|
}
|
|
|
|
/*
|
|
* Dump ICMPv6 per-interface statistics based on RFC 2466.
|
|
*/
|
|
void
|
|
icmp6_ifstats(char *ifname)
|
|
{
|
|
struct in6_ifreq ifr;
|
|
int s;
|
|
|
|
#define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \
|
|
xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, \
|
|
plural(ifr.ifr_ifru.ifru_icmp6stat.f))
|
|
#define p2(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \
|
|
xo_emit(m, (uintmax_t)ifr.ifr_ifru.ifru_icmp6stat.f, \
|
|
pluralies(ifr.ifr_ifru.ifru_icmp6stat.f))
|
|
|
|
if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
|
|
xo_warn("Warning: socket(AF_INET6)");
|
|
return;
|
|
}
|
|
|
|
strcpy(ifr.ifr_name, ifname);
|
|
if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) {
|
|
if (errno != EPFNOSUPPORT)
|
|
xo_warn("Warning: ioctl(SIOCGIFSTAT_ICMP6)");
|
|
goto end;
|
|
}
|
|
|
|
xo_emit("{T:/icmp6 on %s}:\n", ifr.ifr_name);
|
|
|
|
xo_open_instance("icmp6-interface-statistics");
|
|
xo_emit("{ke:name/%s}", ifr.ifr_name);
|
|
p(ifs6_in_msg, "\t{:received-packets/%ju} "
|
|
"{N:/total input message%s}\n");
|
|
p(ifs6_in_error, "\t{:received-errors/%ju} "
|
|
"{N:/total input error message%s}\n");
|
|
p(ifs6_in_dstunreach, "\t{:received-destination-unreachable/%ju} "
|
|
"{N:/input destination unreachable error%s}\n");
|
|
p(ifs6_in_adminprohib, "\t{:received-admin-prohibited/%ju} "
|
|
"{N:/input administratively prohibited error%s}\n");
|
|
p(ifs6_in_timeexceed, "\t{:received-time-exceeded/%ju} "
|
|
"{N:/input time exceeded error%s}\n");
|
|
p(ifs6_in_paramprob, "\t{:received-bad-parameter/%ju} "
|
|
"{N:/input parameter problem error%s}\n");
|
|
p(ifs6_in_pkttoobig, "\t{:received-packet-too-big/%ju} "
|
|
"{N:/input packet too big error%s}\n");
|
|
p(ifs6_in_echo, "\t{:received-echo-requests/%ju} "
|
|
"{N:/input echo request%s}\n");
|
|
p2(ifs6_in_echoreply, "\t{:received-echo-replies/%ju} "
|
|
"{N:/input echo repl%s}\n");
|
|
p(ifs6_in_routersolicit, "\t{:received-router-solicitation/%ju} "
|
|
"{N:/input router solicitation%s}\n");
|
|
p(ifs6_in_routeradvert, "\t{:received-router-advertisement/%ju} "
|
|
"{N:/input router advertisement%s}\n");
|
|
p(ifs6_in_neighborsolicit, "\t{:received-neighbor-solicitation/%ju} "
|
|
"{N:/input neighbor solicitation%s}\n");
|
|
p(ifs6_in_neighboradvert, "\t{:received-neighbor-advertisement/%ju} "
|
|
"{N:/input neighbor advertisement%s}\n");
|
|
p(ifs6_in_redirect, "\t{received-redirects/%ju} "
|
|
"{N:/input redirect%s}\n");
|
|
p2(ifs6_in_mldquery, "\t{:received-mld-queries/%ju} "
|
|
"{N:/input MLD quer%s}\n");
|
|
p(ifs6_in_mldreport, "\t{:received-mld-reports/%ju} "
|
|
"{N:/input MLD report%s}\n");
|
|
p(ifs6_in_mlddone, "\t{:received-mld-done/%ju} "
|
|
"{N:/input MLD done%s}\n");
|
|
|
|
p(ifs6_out_msg, "\t{:sent-packets/%ju} "
|
|
"{N:/total output message%s}\n");
|
|
p(ifs6_out_error, "\t{:sent-errors/%ju} "
|
|
"{N:/total output error message%s}\n");
|
|
p(ifs6_out_dstunreach, "\t{:sent-destination-unreachable/%ju} "
|
|
"{N:/output destination unreachable error%s}\n");
|
|
p(ifs6_out_adminprohib, "\t{:sent-admin-prohibited/%ju} "
|
|
"{N:/output administratively prohibited error%s}\n");
|
|
p(ifs6_out_timeexceed, "\t{:sent-time-exceeded/%ju} "
|
|
"{N:/output time exceeded error%s}\n");
|
|
p(ifs6_out_paramprob, "\t{:sent-bad-parameter/%ju} "
|
|
"{N:/output parameter problem error%s}\n");
|
|
p(ifs6_out_pkttoobig, "\t{:sent-packet-too-big/%ju} "
|
|
"{N:/output packet too big error%s}\n");
|
|
p(ifs6_out_echo, "\t{:sent-echo-requests/%ju} "
|
|
"{N:/output echo request%s}\n");
|
|
p2(ifs6_out_echoreply, "\t{:sent-echo-replies/%ju} "
|
|
"{N:/output echo repl%s}\n");
|
|
p(ifs6_out_routersolicit, "\t{:sent-router-solicitation/%ju} "
|
|
"{N:/output router solicitation%s}\n");
|
|
p(ifs6_out_routeradvert, "\t{:sent-router-advertisement/%ju} "
|
|
"{N:/output router advertisement%s}\n");
|
|
p(ifs6_out_neighborsolicit, "\t{:sent-neighbor-solicitation/%ju} "
|
|
"{N:/output neighbor solicitation%s}\n");
|
|
p(ifs6_out_neighboradvert, "\t{:sent-neighbor-advertisement/%ju} "
|
|
"{N:/output neighbor advertisement%s}\n");
|
|
p(ifs6_out_redirect, "\t{:sent-redirects/%ju} "
|
|
"{N:/output redirect%s}\n");
|
|
p2(ifs6_out_mldquery, "\t{:sent-mld-queries/%ju} "
|
|
"{N:/output MLD quer%s}\n");
|
|
p(ifs6_out_mldreport, "\t{:sent-mld-reports/%ju} "
|
|
"{N:/output MLD report%s}\n");
|
|
p(ifs6_out_mlddone, "\t{:sent-mld-dones/%ju} "
|
|
"{N:/output MLD done%s}\n");
|
|
|
|
end:
|
|
xo_close_instance("icmp6-interface-statistics");
|
|
close(s);
|
|
#undef p
|
|
}
|
|
|
|
/*
|
|
* Dump PIM statistics structure.
|
|
*/
|
|
void
|
|
pim6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
|
|
{
|
|
struct pim6stat pim6stat;
|
|
|
|
if (fetch_stats("net.inet6.pim.stats", off, &pim6stat,
|
|
sizeof(pim6stat), kread) != 0)
|
|
return;
|
|
|
|
xo_emit("{T:/%s}:\n", name);
|
|
xo_open_container(name);
|
|
|
|
#define p(f, m) if (pim6stat.f || sflag <= 1) \
|
|
xo_emit(m, (uintmax_t)pim6stat.f, plural(pim6stat.f))
|
|
|
|
p(pim6s_rcv_total, "\t{:received-packets/%ju} "
|
|
"{N:/message%s received}\n");
|
|
p(pim6s_rcv_tooshort, "\t{:dropped-too-short/%ju} "
|
|
"{N:/message%s received with too few bytes}\n");
|
|
p(pim6s_rcv_badsum, "\t{:dropped-bad-checksum/%ju} "
|
|
"{N:/message%s received with bad checksum}\n");
|
|
p(pim6s_rcv_badversion, "\t{:dropped-bad-version/%ju} "
|
|
"{N:/message%s received with bad version}\n");
|
|
p(pim6s_rcv_registers, "\t{:received-registers/%ju} "
|
|
"{N:/register%s received}\n");
|
|
p(pim6s_rcv_badregisters, "\t{:received-bad-registers/%ju} "
|
|
"{N:/bad register%s received}\n");
|
|
p(pim6s_snd_registers, "\t{:sent-registers/%ju} "
|
|
"{N:/register%s sent}\n");
|
|
#undef p
|
|
xo_close_container(name);
|
|
}
|
|
|
|
/*
|
|
* Dump raw ip6 statistics structure.
|
|
*/
|
|
void
|
|
rip6_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
|
|
{
|
|
struct rip6stat rip6stat;
|
|
u_quad_t delivered;
|
|
|
|
if (fetch_stats("net.inet6.ip6.rip6stats", off, &rip6stat,
|
|
sizeof(rip6stat), kread_counters) != 0)
|
|
return;
|
|
|
|
xo_emit("{T:/%s}:\n", name);
|
|
xo_open_container(name);
|
|
|
|
#define p(f, m) if (rip6stat.f || sflag <= 1) \
|
|
xo_emit(m, (uintmax_t)rip6stat.f, plural(rip6stat.f))
|
|
|
|
p(rip6s_ipackets, "\t{:received-packets/%ju} "
|
|
"{N:/message%s received}\n");
|
|
p(rip6s_isum, "\t{:input-checksum-computation/%ju} "
|
|
"{N:/checksum calculation%s on inbound}\n");
|
|
p(rip6s_badsum, "\t{:received-bad-checksum/%ju} "
|
|
"{N:/message%s with bad checksum}\n");
|
|
p(rip6s_nosock, "\t{:dropped-no-socket/%ju} "
|
|
"{N:/message%s dropped due to no socket}\n");
|
|
p(rip6s_nosockmcast, "\t{:dropped-multicast-no-socket/%ju} "
|
|
"{N:/multicast message%s dropped due to no socket}\n");
|
|
p(rip6s_fullsock, "\t{:dropped-full-socket-buffer/%ju} "
|
|
"{N:/message%s dropped due to full socket buffers}\n");
|
|
delivered = rip6stat.rip6s_ipackets -
|
|
rip6stat.rip6s_badsum -
|
|
rip6stat.rip6s_nosock -
|
|
rip6stat.rip6s_nosockmcast -
|
|
rip6stat.rip6s_fullsock;
|
|
if (delivered || sflag <= 1)
|
|
xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n",
|
|
(uintmax_t)delivered);
|
|
p(rip6s_opackets, "\t{:sent-packets/%ju} "
|
|
"{N:/datagram%s output}\n");
|
|
#undef p
|
|
xo_close_container(name);
|
|
}
|
|
|
|
/*
|
|
* Pretty print an Internet address (net address + port).
|
|
* Take numeric_addr and numeric_port into consideration.
|
|
*/
|
|
#define GETSERVBYPORT6(port, proto, ret)\
|
|
{\
|
|
if (strcmp((proto), "tcp6") == 0)\
|
|
(ret) = getservbyport((int)(port), "tcp");\
|
|
else if (strcmp((proto), "udp6") == 0)\
|
|
(ret) = getservbyport((int)(port), "udp");\
|
|
else\
|
|
(ret) = getservbyport((int)(port), (proto));\
|
|
};
|
|
|
|
void
|
|
inet6print(const char *container, struct in6_addr *in6, int port,
|
|
const char *proto, int numeric)
|
|
{
|
|
struct servent *sp = 0;
|
|
char line[80], *cp;
|
|
int width;
|
|
size_t alen, plen;
|
|
|
|
if (container)
|
|
xo_open_container(container);
|
|
|
|
snprintf(line, sizeof(line), "%.*s.",
|
|
Wflag ? 39 : (Aflag && !numeric) ? 12 : 16,
|
|
inet6name(in6));
|
|
alen = strlen(line);
|
|
cp = line + alen;
|
|
if (!numeric && port)
|
|
GETSERVBYPORT6(port, proto, sp);
|
|
if (sp || port == 0)
|
|
snprintf(cp, sizeof(line) - alen,
|
|
"%.15s", sp ? sp->s_name : "*");
|
|
else
|
|
snprintf(cp, sizeof(line) - alen,
|
|
"%d", ntohs((u_short)port));
|
|
width = Wflag ? 45 : Aflag ? 18 : 22;
|
|
|
|
xo_emit("{d:target/%-*.*s} ", width, width, line);
|
|
|
|
plen = strlen(cp) - 1;
|
|
alen--;
|
|
xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen,
|
|
plen, cp);
|
|
|
|
if (container)
|
|
xo_close_container(container);
|
|
}
|
|
|
|
/*
|
|
* Construct an Internet address representation.
|
|
* If the numeric_addr has been supplied, give
|
|
* numeric value, otherwise try for symbolic name.
|
|
*/
|
|
|
|
char *
|
|
inet6name(struct in6_addr *in6p)
|
|
{
|
|
struct sockaddr_in6 sin6;
|
|
char hbuf[NI_MAXHOST], *cp;
|
|
static char line[NI_MAXHOST];
|
|
static char domain[MAXHOSTNAMELEN];
|
|
static int first = 1;
|
|
int flags, error;
|
|
|
|
if (IN6_IS_ADDR_UNSPECIFIED(in6p)) {
|
|
strcpy(line, "*");
|
|
return (line);
|
|
}
|
|
if (first && !numeric_addr) {
|
|
first = 0;
|
|
if (gethostname(domain, sizeof(domain)) == 0 &&
|
|
(cp = strchr(domain, '.')))
|
|
strlcpy(domain, cp + 1, sizeof(domain));
|
|
else
|
|
domain[0] = 0;
|
|
}
|
|
memset(&sin6, 0, sizeof(sin6));
|
|
memcpy(&sin6.sin6_addr, in6p, sizeof(*in6p));
|
|
sin6.sin6_family = AF_INET6;
|
|
/* XXX: in6p.s6_addr[2] can contain scopeid. */
|
|
in6_fillscopeid(&sin6);
|
|
flags = (numeric_addr) ? NI_NUMERICHOST : 0;
|
|
error = getnameinfo((struct sockaddr *)&sin6, sizeof(sin6), hbuf,
|
|
sizeof(hbuf), NULL, 0, flags);
|
|
if (error == 0) {
|
|
if ((flags & NI_NUMERICHOST) == 0 &&
|
|
(cp = strchr(hbuf, '.')) &&
|
|
!strcmp(cp + 1, domain))
|
|
*cp = 0;
|
|
strlcpy(line, hbuf, sizeof(line));
|
|
} else {
|
|
/* XXX: this should not happen. */
|
|
snprintf(line, sizeof(line), "%s",
|
|
inet_ntop(AF_INET6, (void *)&sin6.sin6_addr, ntop_buf,
|
|
sizeof(ntop_buf)));
|
|
}
|
|
return (line);
|
|
}
|
|
#endif /*INET6*/
|