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/* $OpenBSD: inet6.c,v 1.52 2017/01/21 11:32:04 guenther Exp $ */ |
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/* 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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* 3. 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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#include <sys/types.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/protosw.h> |
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#include <sys/sysctl.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/ip.h> |
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#include <netinet/ip_var.h> |
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#include <netinet6/ip6_var.h> |
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#include <netinet6/in6_var.h> |
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#include <netinet6/raw_ip6.h> |
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#include <netinet6/ip6_divert.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 <errno.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <limits.h> |
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#include "netstat.h" |
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struct socket sockb; |
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char *inet6name(struct in6_addr *); |
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static 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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"#62", |
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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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"#103", |
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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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"#132", |
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"#133", |
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"#134", |
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"#135", |
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"#136", |
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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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/* |
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* Dump IP6 statistics structure. |
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*/ |
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void |
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ip6_stats(char *name) |
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{ |
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struct ip6stat ip6stat; |
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int first, i; |
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struct protoent *ep; |
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const char *n; |
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int mib[] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_STATS }; |
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size_t len = sizeof(ip6stat); |
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if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), |
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&ip6stat, &len, NULL, 0) == -1) { |
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if (errno != ENOPROTOOPT) |
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warn("%s", name); |
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return; |
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} |
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printf("%s:\n", name); |
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#define p(f, m) if (ip6stat.f || sflag <= 1) \ |
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printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f)) |
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#define p1(f, m) if (ip6stat.f || sflag <= 1) \ |
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printf(m, (unsigned long long)ip6stat.f) |
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p(ip6s_total, "\t%llu total packet%s received\n"); |
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p1(ip6s_toosmall, "\t%llu with size smaller than minimum\n"); |
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p1(ip6s_tooshort, "\t%llu with data size < data length\n"); |
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p1(ip6s_badoptions, "\t%llu with bad options\n"); |
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p1(ip6s_badvers, "\t%llu with incorrect version number\n"); |
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p(ip6s_fragments, "\t%llu fragment%s received\n"); |
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p(ip6s_fragdropped, |
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"\t%llu fragment%s dropped (duplicates or out of space)\n"); |
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p(ip6s_fragtimeout, "\t%llu fragment%s dropped after timeout\n"); |
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p(ip6s_fragoverflow, "\t%llu fragment%s that exceeded limit\n"); |
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p(ip6s_reassembled, "\t%llu packet%s reassembled ok\n"); |
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p(ip6s_delivered, "\t%llu packet%s for this host\n"); |
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p(ip6s_forward, "\t%llu packet%s forwarded\n"); |
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p(ip6s_cantforward, "\t%llu packet%s not forwardable\n"); |
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p(ip6s_redirectsent, "\t%llu redirect%s sent\n"); |
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p(ip6s_localout, "\t%llu packet%s sent from this host\n"); |
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p(ip6s_rawout, "\t%llu packet%s sent with fabricated ip header\n"); |
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p(ip6s_odropped, |
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"\t%llu output packet%s dropped due to no bufs, etc.\n"); |
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p(ip6s_noroute, "\t%llu output packet%s discarded due to no route\n"); |
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p(ip6s_fragmented, "\t%llu output datagram%s fragmented\n"); |
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p(ip6s_ofragments, "\t%llu fragment%s created\n"); |
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p(ip6s_cantfrag, "\t%llu datagram%s that can't be fragmented\n"); |
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p(ip6s_badscope, "\t%llu packet%s that violated scope rules\n"); |
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p(ip6s_notmember, "\t%llu multicast packet%s which we don't join\n"); |
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for (first = 1, i = 0; i < 256; i++) |
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if (ip6stat.ip6s_nxthist[i] != 0) { |
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if (first) { |
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printf("\tInput packet histogram:\n"); |
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first = 0; |
381 |
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} |
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n = NULL; |
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if (ip6nh[i]) |
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n = ip6nh[i]; |
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else if ((ep = getprotobynumber(i)) != NULL) |
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n = ep->p_name; |
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if (n) |
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printf("\t\t%s: %llu\n", n, |
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(unsigned long long)ip6stat.ip6s_nxthist[i]); |
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else |
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printf("\t\t#%d: %llu\n", i, |
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(unsigned long long)ip6stat.ip6s_nxthist[i]); |
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} |
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printf("\tMbuf statistics:\n"); |
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p(ip6s_m1, "\t\t%llu one mbuf%s\n"); |
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for (first = 1, i = 0; i < 32; 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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printf("\t\ttwo or more mbuf:\n"); |
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first = 0; |
402 |
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} |
403 |
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printf("\t\t\t%s = %llu\n", |
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if_indextoname(i, ifbuf), |
405 |
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(unsigned long long)ip6stat.ip6s_m2m[i]); |
406 |
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} |
407 |
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} |
408 |
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p(ip6s_mext1, "\t\t%llu one ext mbuf%s\n"); |
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p(ip6s_mext2m, "\t\t%llu two or more ext mbuf%s\n"); |
410 |
|
|
p(ip6s_nogif, "\t%llu tunneling packet%s that can't find gif\n"); |
411 |
|
|
p(ip6s_toomanyhdr, |
412 |
|
|
"\t%llu packet%s discarded due to too many headers\n"); |
413 |
|
|
|
414 |
|
|
/* for debugging source address selection */ |
415 |
|
|
#define PRINT_SCOPESTAT(s,i) do {\ |
416 |
|
|
switch(i) { /* XXX hardcoding in each case */\ |
417 |
|
|
case 1:\ |
418 |
|
|
p(s, "\t\t%llu node-local%s\n");\ |
419 |
|
|
break;\ |
420 |
|
|
case 2:\ |
421 |
|
|
p(s, "\t\t%llu link-local%s\n");\ |
422 |
|
|
break;\ |
423 |
|
|
case 5:\ |
424 |
|
|
p(s, "\t\t%llu site-local%s\n");\ |
425 |
|
|
break;\ |
426 |
|
|
case 14:\ |
427 |
|
|
p(s, "\t\t%llu global%s\n");\ |
428 |
|
|
break;\ |
429 |
|
|
default:\ |
430 |
|
|
printf("\t\t%llu addresses scope=%x\n",\ |
431 |
|
|
(unsigned long long)ip6stat.s, i);\ |
432 |
|
|
}\ |
433 |
|
|
} while(0); |
434 |
|
|
|
435 |
|
|
p(ip6s_sources_none, |
436 |
|
|
"\t%llu failure%s of source address selection\n"); |
437 |
|
|
for (first = 1, i = 0; i < 16; i++) { |
438 |
|
|
if (ip6stat.ip6s_sources_sameif[i]) { |
439 |
|
|
if (first) { |
440 |
|
|
printf("\tsource addresses on an outgoing I/F\n"); |
441 |
|
|
first = 0; |
442 |
|
|
} |
443 |
|
|
PRINT_SCOPESTAT(ip6s_sources_sameif[i], i); |
444 |
|
|
} |
445 |
|
|
} |
446 |
|
|
for (first = 1, i = 0; i < 16; i++) { |
447 |
|
|
if (ip6stat.ip6s_sources_otherif[i]) { |
448 |
|
|
if (first) { |
449 |
|
|
printf("\tsource addresses on a non-outgoing I/F\n"); |
450 |
|
|
first = 0; |
451 |
|
|
} |
452 |
|
|
PRINT_SCOPESTAT(ip6s_sources_otherif[i], i); |
453 |
|
|
} |
454 |
|
|
} |
455 |
|
|
for (first = 1, i = 0; i < 16; i++) { |
456 |
|
|
if (ip6stat.ip6s_sources_samescope[i]) { |
457 |
|
|
if (first) { |
458 |
|
|
printf("\tsource addresses of same scope\n"); |
459 |
|
|
first = 0; |
460 |
|
|
} |
461 |
|
|
PRINT_SCOPESTAT(ip6s_sources_samescope[i], i); |
462 |
|
|
} |
463 |
|
|
} |
464 |
|
|
for (first = 1, i = 0; i < 16; i++) { |
465 |
|
|
if (ip6stat.ip6s_sources_otherscope[i]) { |
466 |
|
|
if (first) { |
467 |
|
|
printf("\tsource addresses of a different scope\n"); |
468 |
|
|
first = 0; |
469 |
|
|
} |
470 |
|
|
PRINT_SCOPESTAT(ip6s_sources_otherscope[i], i); |
471 |
|
|
} |
472 |
|
|
} |
473 |
|
|
for (first = 1, i = 0; i < 16; i++) { |
474 |
|
|
if (ip6stat.ip6s_sources_deprecated[i]) { |
475 |
|
|
if (first) { |
476 |
|
|
printf("\tdeprecated source addresses\n"); |
477 |
|
|
first = 0; |
478 |
|
|
} |
479 |
|
|
PRINT_SCOPESTAT(ip6s_sources_deprecated[i], i); |
480 |
|
|
} |
481 |
|
|
} |
482 |
|
|
|
483 |
|
|
p1(ip6s_forward_cachehit, "\t%llu forward cache hit\n"); |
484 |
|
|
p1(ip6s_forward_cachemiss, "\t%llu forward cache miss\n"); |
485 |
|
|
#undef p |
486 |
|
|
#undef p1 |
487 |
|
|
} |
488 |
|
|
|
489 |
|
|
static char *icmp6names[] = { |
490 |
|
|
"#0", |
491 |
|
|
"unreach", |
492 |
|
|
"packet too big", |
493 |
|
|
"time exceed", |
494 |
|
|
"parameter problem", |
495 |
|
|
"#5", |
496 |
|
|
"#6", |
497 |
|
|
"#7", |
498 |
|
|
"#8", |
499 |
|
|
"#9", |
500 |
|
|
"#10", |
501 |
|
|
"#11", |
502 |
|
|
"#12", |
503 |
|
|
"#13", |
504 |
|
|
"#14", |
505 |
|
|
"#15", |
506 |
|
|
"#16", |
507 |
|
|
"#17", |
508 |
|
|
"#18", |
509 |
|
|
"#19", |
510 |
|
|
"#20", |
511 |
|
|
"#21", |
512 |
|
|
"#22", |
513 |
|
|
"#23", |
514 |
|
|
"#24", |
515 |
|
|
"#25", |
516 |
|
|
"#26", |
517 |
|
|
"#27", |
518 |
|
|
"#28", |
519 |
|
|
"#29", |
520 |
|
|
"#30", |
521 |
|
|
"#31", |
522 |
|
|
"#32", |
523 |
|
|
"#33", |
524 |
|
|
"#34", |
525 |
|
|
"#35", |
526 |
|
|
"#36", |
527 |
|
|
"#37", |
528 |
|
|
"#38", |
529 |
|
|
"#39", |
530 |
|
|
"#40", |
531 |
|
|
"#41", |
532 |
|
|
"#42", |
533 |
|
|
"#43", |
534 |
|
|
"#44", |
535 |
|
|
"#45", |
536 |
|
|
"#46", |
537 |
|
|
"#47", |
538 |
|
|
"#48", |
539 |
|
|
"#49", |
540 |
|
|
"#50", |
541 |
|
|
"#51", |
542 |
|
|
"#52", |
543 |
|
|
"#53", |
544 |
|
|
"#54", |
545 |
|
|
"#55", |
546 |
|
|
"#56", |
547 |
|
|
"#57", |
548 |
|
|
"#58", |
549 |
|
|
"#59", |
550 |
|
|
"#60", |
551 |
|
|
"#61", |
552 |
|
|
"#62", |
553 |
|
|
"#63", |
554 |
|
|
"#64", |
555 |
|
|
"#65", |
556 |
|
|
"#66", |
557 |
|
|
"#67", |
558 |
|
|
"#68", |
559 |
|
|
"#69", |
560 |
|
|
"#70", |
561 |
|
|
"#71", |
562 |
|
|
"#72", |
563 |
|
|
"#73", |
564 |
|
|
"#74", |
565 |
|
|
"#75", |
566 |
|
|
"#76", |
567 |
|
|
"#77", |
568 |
|
|
"#78", |
569 |
|
|
"#79", |
570 |
|
|
"#80", |
571 |
|
|
"#81", |
572 |
|
|
"#82", |
573 |
|
|
"#83", |
574 |
|
|
"#84", |
575 |
|
|
"#85", |
576 |
|
|
"#86", |
577 |
|
|
"#87", |
578 |
|
|
"#88", |
579 |
|
|
"#89", |
580 |
|
|
"#80", |
581 |
|
|
"#91", |
582 |
|
|
"#92", |
583 |
|
|
"#93", |
584 |
|
|
"#94", |
585 |
|
|
"#95", |
586 |
|
|
"#96", |
587 |
|
|
"#97", |
588 |
|
|
"#98", |
589 |
|
|
"#99", |
590 |
|
|
"#100", |
591 |
|
|
"#101", |
592 |
|
|
"#102", |
593 |
|
|
"#103", |
594 |
|
|
"#104", |
595 |
|
|
"#105", |
596 |
|
|
"#106", |
597 |
|
|
"#107", |
598 |
|
|
"#108", |
599 |
|
|
"#109", |
600 |
|
|
"#110", |
601 |
|
|
"#111", |
602 |
|
|
"#112", |
603 |
|
|
"#113", |
604 |
|
|
"#114", |
605 |
|
|
"#115", |
606 |
|
|
"#116", |
607 |
|
|
"#117", |
608 |
|
|
"#118", |
609 |
|
|
"#119", |
610 |
|
|
"#120", |
611 |
|
|
"#121", |
612 |
|
|
"#122", |
613 |
|
|
"#123", |
614 |
|
|
"#124", |
615 |
|
|
"#125", |
616 |
|
|
"#126", |
617 |
|
|
"#127", |
618 |
|
|
"echo", |
619 |
|
|
"echo reply", |
620 |
|
|
"multicast listener query", |
621 |
|
|
"multicast listener report", |
622 |
|
|
"multicast listener done", |
623 |
|
|
"router solicitation", |
624 |
|
|
"router advertisement", |
625 |
|
|
"neighbor solicitation", |
626 |
|
|
"neighbor advertisement", |
627 |
|
|
"redirect", |
628 |
|
|
"router renumbering", |
629 |
|
|
"node information request", |
630 |
|
|
"node information reply", |
631 |
|
|
"#141", |
632 |
|
|
"#142", |
633 |
|
|
"#143", |
634 |
|
|
"#144", |
635 |
|
|
"#145", |
636 |
|
|
"#146", |
637 |
|
|
"#147", |
638 |
|
|
"#148", |
639 |
|
|
"#149", |
640 |
|
|
"#150", |
641 |
|
|
"#151", |
642 |
|
|
"#152", |
643 |
|
|
"#153", |
644 |
|
|
"#154", |
645 |
|
|
"#155", |
646 |
|
|
"#156", |
647 |
|
|
"#157", |
648 |
|
|
"#158", |
649 |
|
|
"#159", |
650 |
|
|
"#160", |
651 |
|
|
"#161", |
652 |
|
|
"#162", |
653 |
|
|
"#163", |
654 |
|
|
"#164", |
655 |
|
|
"#165", |
656 |
|
|
"#166", |
657 |
|
|
"#167", |
658 |
|
|
"#168", |
659 |
|
|
"#169", |
660 |
|
|
"#170", |
661 |
|
|
"#171", |
662 |
|
|
"#172", |
663 |
|
|
"#173", |
664 |
|
|
"#174", |
665 |
|
|
"#175", |
666 |
|
|
"#176", |
667 |
|
|
"#177", |
668 |
|
|
"#178", |
669 |
|
|
"#179", |
670 |
|
|
"#180", |
671 |
|
|
"#181", |
672 |
|
|
"#182", |
673 |
|
|
"#183", |
674 |
|
|
"#184", |
675 |
|
|
"#185", |
676 |
|
|
"#186", |
677 |
|
|
"#187", |
678 |
|
|
"#188", |
679 |
|
|
"#189", |
680 |
|
|
"#180", |
681 |
|
|
"#191", |
682 |
|
|
"#192", |
683 |
|
|
"#193", |
684 |
|
|
"#194", |
685 |
|
|
"#195", |
686 |
|
|
"#196", |
687 |
|
|
"#197", |
688 |
|
|
"#198", |
689 |
|
|
"#199", |
690 |
|
|
"#200", |
691 |
|
|
"#201", |
692 |
|
|
"#202", |
693 |
|
|
"#203", |
694 |
|
|
"#204", |
695 |
|
|
"#205", |
696 |
|
|
"#206", |
697 |
|
|
"#207", |
698 |
|
|
"#208", |
699 |
|
|
"#209", |
700 |
|
|
"#210", |
701 |
|
|
"#211", |
702 |
|
|
"#212", |
703 |
|
|
"#213", |
704 |
|
|
"#214", |
705 |
|
|
"#215", |
706 |
|
|
"#216", |
707 |
|
|
"#217", |
708 |
|
|
"#218", |
709 |
|
|
"#219", |
710 |
|
|
"#220", |
711 |
|
|
"#221", |
712 |
|
|
"#222", |
713 |
|
|
"#223", |
714 |
|
|
"#224", |
715 |
|
|
"#225", |
716 |
|
|
"#226", |
717 |
|
|
"#227", |
718 |
|
|
"#228", |
719 |
|
|
"#229", |
720 |
|
|
"#230", |
721 |
|
|
"#231", |
722 |
|
|
"#232", |
723 |
|
|
"#233", |
724 |
|
|
"#234", |
725 |
|
|
"#235", |
726 |
|
|
"#236", |
727 |
|
|
"#237", |
728 |
|
|
"#238", |
729 |
|
|
"#239", |
730 |
|
|
"#240", |
731 |
|
|
"#241", |
732 |
|
|
"#242", |
733 |
|
|
"#243", |
734 |
|
|
"#244", |
735 |
|
|
"#245", |
736 |
|
|
"#246", |
737 |
|
|
"#247", |
738 |
|
|
"#248", |
739 |
|
|
"#249", |
740 |
|
|
"#250", |
741 |
|
|
"#251", |
742 |
|
|
"#252", |
743 |
|
|
"#253", |
744 |
|
|
"#254", |
745 |
|
|
"#255", |
746 |
|
|
}; |
747 |
|
|
|
748 |
|
|
/* |
749 |
|
|
* Dump ICMPv6 statistics. |
750 |
|
|
*/ |
751 |
|
|
void |
752 |
|
|
icmp6_stats(char *name) |
753 |
|
|
{ |
754 |
|
|
struct icmp6stat icmp6stat; |
755 |
|
|
int i, first; |
756 |
|
|
int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_STATS }; |
757 |
|
|
size_t len = sizeof(icmp6stat); |
758 |
|
|
|
759 |
|
|
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), |
760 |
|
|
&icmp6stat, &len, NULL, 0) == -1) { |
761 |
|
|
if (errno != ENOPROTOOPT) |
762 |
|
|
warn("%s", name); |
763 |
|
|
return; |
764 |
|
|
} |
765 |
|
|
|
766 |
|
|
printf("%s:\n", name); |
767 |
|
|
#define p(f, m) if (icmp6stat.f || sflag <= 1) \ |
768 |
|
|
printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f)) |
769 |
|
|
#define p_5(f, m) if (icmp6stat.f || sflag <= 1) \ |
770 |
|
|
printf(m, (unsigned long long)icmp6stat.f) |
771 |
|
|
|
772 |
|
|
p(icp6s_error, "\t%llu call%s to icmp6_error\n"); |
773 |
|
|
p(icp6s_canterror, |
774 |
|
|
"\t%llu error%s not generated because old message was icmp6 or so\n"); |
775 |
|
|
p(icp6s_toofreq, |
776 |
|
|
"\t%llu error%s not generated because of rate limitation\n"); |
777 |
|
|
for (first = 1, i = 0; i < 256; i++) |
778 |
|
|
if (icmp6stat.icp6s_outhist[i] != 0) { |
779 |
|
|
if (first) { |
780 |
|
|
printf("\tOutput packet histogram:\n"); |
781 |
|
|
first = 0; |
782 |
|
|
} |
783 |
|
|
printf("\t\t%s: %llu\n", icmp6names[i], |
784 |
|
|
(unsigned long long)icmp6stat.icp6s_outhist[i]); |
785 |
|
|
} |
786 |
|
|
p(icp6s_badcode, "\t%llu message%s with bad code fields\n"); |
787 |
|
|
p(icp6s_tooshort, "\t%llu message%s < minimum length\n"); |
788 |
|
|
p(icp6s_checksum, "\t%llu bad checksum%s\n"); |
789 |
|
|
p(icp6s_badlen, "\t%llu message%s with bad length\n"); |
790 |
|
|
for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) |
791 |
|
|
if (icmp6stat.icp6s_inhist[i] != 0) { |
792 |
|
|
if (first) { |
793 |
|
|
printf("\tInput packet histogram:\n"); |
794 |
|
|
first = 0; |
795 |
|
|
} |
796 |
|
|
printf("\t\t%s: %llu\n", icmp6names[i], |
797 |
|
|
(unsigned long long)icmp6stat.icp6s_inhist[i]); |
798 |
|
|
} |
799 |
|
|
printf("\tHistogram of error messages to be generated:\n"); |
800 |
|
|
p_5(icp6s_odst_unreach_noroute, "\t\t%llu no route\n"); |
801 |
|
|
p_5(icp6s_odst_unreach_admin, "\t\t%llu administratively prohibited\n"); |
802 |
|
|
p_5(icp6s_odst_unreach_beyondscope, "\t\t%llu beyond scope\n"); |
803 |
|
|
p_5(icp6s_odst_unreach_addr, "\t\t%llu address unreachable\n"); |
804 |
|
|
p_5(icp6s_odst_unreach_noport, "\t\t%llu port unreachable\n"); |
805 |
|
|
p_5(icp6s_opacket_too_big, "\t\t%llu packet too big\n"); |
806 |
|
|
p_5(icp6s_otime_exceed_transit, "\t\t%llu time exceed transit\n"); |
807 |
|
|
p_5(icp6s_otime_exceed_reassembly, "\t\t%llu time exceed reassembly\n"); |
808 |
|
|
p_5(icp6s_oparamprob_header, "\t\t%llu erroneous header field\n"); |
809 |
|
|
p_5(icp6s_oparamprob_nextheader, "\t\t%llu unrecognized next header\n"); |
810 |
|
|
p_5(icp6s_oparamprob_option, "\t\t%llu unrecognized option\n"); |
811 |
|
|
p_5(icp6s_oredirect, "\t\t%llu redirect\n"); |
812 |
|
|
p_5(icp6s_ounknown, "\t\t%llu unknown\n"); |
813 |
|
|
|
814 |
|
|
p(icp6s_reflect, "\t%llu message response%s generated\n"); |
815 |
|
|
p(icp6s_nd_toomanyopt, "\t%llu message%s with too many ND options\n"); |
816 |
|
|
p(icp6s_nd_badopt, "\t%llu message%s with bad ND options\n"); |
817 |
|
|
p(icp6s_badns, "\t%llu bad neighbor solicitation message%s\n"); |
818 |
|
|
p(icp6s_badna, "\t%llu bad neighbor advertisement message%s\n"); |
819 |
|
|
p(icp6s_badrs, "\t%llu bad router solicitation message%s\n"); |
820 |
|
|
p(icp6s_badra, "\t%llu bad router advertisement message%s\n"); |
821 |
|
|
p(icp6s_badredirect, "\t%llu bad redirect message%s\n"); |
822 |
|
|
p(icp6s_pmtuchg, "\t%llu path MTU change%s\n"); |
823 |
|
|
#undef p |
824 |
|
|
#undef p_5 |
825 |
|
|
} |
826 |
|
|
|
827 |
|
|
/* |
828 |
|
|
* Dump raw ip6 statistics structure. |
829 |
|
|
*/ |
830 |
|
|
void |
831 |
|
|
rip6_stats(char *name) |
832 |
|
|
{ |
833 |
|
|
struct rip6stat rip6stat; |
834 |
|
|
u_int64_t delivered; |
835 |
|
|
int mib[] = { CTL_NET, PF_INET6, IPPROTO_RAW, RIPV6CTL_STATS }; |
836 |
|
|
size_t len = sizeof(rip6stat); |
837 |
|
|
|
838 |
|
|
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), |
839 |
|
|
&rip6stat, &len, NULL, 0) == -1) { |
840 |
|
|
if (errno != ENOPROTOOPT) |
841 |
|
|
warn("%s", name); |
842 |
|
|
return; |
843 |
|
|
} |
844 |
|
|
|
845 |
|
|
printf("%s:\n", name); |
846 |
|
|
|
847 |
|
|
#define p(f, m) if (rip6stat.f || sflag <= 1) \ |
848 |
|
|
printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f)) |
849 |
|
|
p(rip6s_ipackets, "\t%llu message%s received\n"); |
850 |
|
|
p(rip6s_isum, "\t%llu checksum calculation%s on inbound\n"); |
851 |
|
|
p(rip6s_badsum, "\t%llu message%s with bad checksum\n"); |
852 |
|
|
p(rip6s_nosock, "\t%llu message%s dropped due to no socket\n"); |
853 |
|
|
p(rip6s_nosockmcast, |
854 |
|
|
"\t%llu multicast message%s dropped due to no socket\n"); |
855 |
|
|
p(rip6s_fullsock, |
856 |
|
|
"\t%llu message%s dropped due to full socket buffers\n"); |
857 |
|
|
delivered = rip6stat.rip6s_ipackets - |
858 |
|
|
rip6stat.rip6s_badsum - |
859 |
|
|
rip6stat.rip6s_nosock - |
860 |
|
|
rip6stat.rip6s_nosockmcast - |
861 |
|
|
rip6stat.rip6s_fullsock; |
862 |
|
|
if (delivered || sflag <= 1) |
863 |
|
|
printf("\t%llu delivered\n", (unsigned long long)delivered); |
864 |
|
|
p(rip6s_opackets, "\t%llu datagram%s output\n"); |
865 |
|
|
#undef p |
866 |
|
|
} |
867 |
|
|
|
868 |
|
|
/* |
869 |
|
|
* Dump divert6 statistics structure. |
870 |
|
|
*/ |
871 |
|
|
void |
872 |
|
|
div6_stats(char *name) |
873 |
|
|
{ |
874 |
|
|
struct div6stat div6stat; |
875 |
|
|
int mib[] = { CTL_NET, PF_INET6, IPPROTO_DIVERT, DIVERT6CTL_STATS }; |
876 |
|
|
size_t len = sizeof(div6stat); |
877 |
|
|
|
878 |
|
|
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), |
879 |
|
|
&div6stat, &len, NULL, 0) == -1) { |
880 |
|
|
if (errno != ENOPROTOOPT) |
881 |
|
|
warn("%s", name); |
882 |
|
|
return; |
883 |
|
|
} |
884 |
|
|
|
885 |
|
|
printf("%s:\n", name); |
886 |
|
|
#define p(f, m) if (div6stat.f || sflag <= 1) \ |
887 |
|
|
printf(m, div6stat.f, plural(div6stat.f)) |
888 |
|
|
#define p1(f, m) if (div6stat.f || sflag <= 1) \ |
889 |
|
|
printf(m, div6stat.f) |
890 |
|
|
p(divs_ipackets, "\t%lu total packet%s received\n"); |
891 |
|
|
p1(divs_noport, "\t%lu dropped due to no socket\n"); |
892 |
|
|
p1(divs_fullsock, "\t%lu dropped due to full socket buffers\n"); |
893 |
|
|
p(divs_opackets, "\t%lu packet%s output\n"); |
894 |
|
|
p1(divs_errors, "\t%lu errors\n"); |
895 |
|
|
#undef p |
896 |
|
|
#undef p1 |
897 |
|
|
} |
898 |
|
|
|
899 |
|
|
/* |
900 |
|
|
* Pretty print an Internet address (net address + port). |
901 |
|
|
* If the nflag was specified, use numbers instead of names. |
902 |
|
|
*/ |
903 |
|
|
|
904 |
|
|
void |
905 |
|
|
inet6print(struct in6_addr *in6, int port, const char *proto) |
906 |
|
|
{ |
907 |
|
|
|
908 |
|
|
#define GETSERVBYPORT6(port, proto, ret) do { \ |
909 |
|
|
if (strcmp((proto), "tcp6") == 0) \ |
910 |
|
|
(ret) = getservbyport((int)(port), "tcp"); \ |
911 |
|
|
else if (strcmp((proto), "udp6") == 0) \ |
912 |
|
|
(ret) = getservbyport((int)(port), "udp"); \ |
913 |
|
|
else \ |
914 |
|
|
(ret) = getservbyport((int)(port), (proto)); \ |
915 |
|
|
} while (0) |
916 |
|
|
|
917 |
|
|
struct servent *sp = 0; |
918 |
|
|
char line[80], *cp; |
919 |
|
|
int width; |
920 |
|
|
int len = sizeof line; |
921 |
|
|
|
922 |
|
|
width = Aflag ? 12 : 16; |
923 |
|
|
if (vflag && width < strlen(inet6name(in6))) |
924 |
|
|
width = strlen(inet6name(in6)); |
925 |
|
|
snprintf(line, len, "%.*s.", width, inet6name(in6)); |
926 |
|
|
len -= strlen(line); |
927 |
|
|
if (len <= 0) |
928 |
|
|
goto bail; |
929 |
|
|
|
930 |
|
|
cp = strchr(line, '\0'); |
931 |
|
|
if (!nflag && port) |
932 |
|
|
GETSERVBYPORT6(port, proto, sp); |
933 |
|
|
if (sp || port == 0) |
934 |
|
|
snprintf(cp, len, "%.8s", sp ? sp->s_name : "*"); |
935 |
|
|
else |
936 |
|
|
snprintf(cp, len, "%d", ntohs((u_short)port)); |
937 |
|
|
width = Aflag ? 18 : 22; |
938 |
|
|
if (vflag && width < strlen(line)) |
939 |
|
|
width = strlen(line); |
940 |
|
|
bail: |
941 |
|
|
printf(" %-*.*s", width, width, line); |
942 |
|
|
} |
943 |
|
|
|
944 |
|
|
/* |
945 |
|
|
* Construct an Internet address representation. |
946 |
|
|
* If the nflag has been supplied, give |
947 |
|
|
* numeric value, otherwise try for symbolic name. |
948 |
|
|
*/ |
949 |
|
|
|
950 |
|
|
char * |
951 |
|
|
inet6name(struct in6_addr *in6p) |
952 |
|
|
{ |
953 |
|
|
char *cp; |
954 |
|
|
static char line[NI_MAXHOST]; |
955 |
|
|
struct hostent *hp; |
956 |
|
|
static char domain[HOST_NAME_MAX+1]; |
957 |
|
|
static int first = 1; |
958 |
|
|
char hbuf[NI_MAXHOST]; |
959 |
|
|
struct sockaddr_in6 sin6; |
960 |
|
|
const int niflag = NI_NUMERICHOST; |
961 |
|
|
|
962 |
|
|
if (first && !nflag) { |
963 |
|
|
first = 0; |
964 |
|
|
if (gethostname(domain, sizeof(domain)) == 0 && |
965 |
|
|
(cp = strchr(domain, '.'))) |
966 |
|
|
(void) strlcpy(domain, cp + 1, sizeof domain); |
967 |
|
|
else |
968 |
|
|
domain[0] = '\0'; |
969 |
|
|
} |
970 |
|
|
cp = 0; |
971 |
|
|
if (!nflag && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { |
972 |
|
|
hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); |
973 |
|
|
if (hp) { |
974 |
|
|
if ((cp = strchr(hp->h_name, '.')) && |
975 |
|
|
!strcmp(cp + 1, domain)) |
976 |
|
|
*cp = 0; |
977 |
|
|
cp = hp->h_name; |
978 |
|
|
} |
979 |
|
|
} |
980 |
|
|
if (IN6_IS_ADDR_UNSPECIFIED(in6p)) |
981 |
|
|
strlcpy(line, "*", sizeof(line)); |
982 |
|
|
else if (cp) |
983 |
|
|
strlcpy(line, cp, sizeof(line)); |
984 |
|
|
else { |
985 |
|
|
memset(&sin6, 0, sizeof(sin6)); |
986 |
|
|
sin6.sin6_family = AF_INET6; |
987 |
|
|
sin6.sin6_addr = *in6p; |
988 |
|
|
#ifdef __KAME__ |
989 |
|
|
if (IN6_IS_ADDR_LINKLOCAL(in6p) || |
990 |
|
|
IN6_IS_ADDR_MC_LINKLOCAL(in6p) || |
991 |
|
|
IN6_IS_ADDR_MC_INTFACELOCAL(in6p)) { |
992 |
|
|
sin6.sin6_scope_id = |
993 |
|
|
ntohs(*(u_int16_t *)&in6p->s6_addr[2]); |
994 |
|
|
sin6.sin6_addr.s6_addr[2] = 0; |
995 |
|
|
sin6.sin6_addr.s6_addr[3] = 0; |
996 |
|
|
} |
997 |
|
|
#endif |
998 |
|
|
if (getnameinfo((struct sockaddr *)&sin6, sizeof(sin6), |
999 |
|
|
hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) |
1000 |
|
|
strlcpy(hbuf, "?", sizeof hbuf); |
1001 |
|
|
strlcpy(line, hbuf, sizeof(line)); |
1002 |
|
|
} |
1003 |
|
|
return (line); |
1004 |
|
|
} |