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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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301 lines
8.3 KiB
C
301 lines
8.3 KiB
C
/*-
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* Copyright (c) 1980, 1992, 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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#ifdef lint
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static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
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#endif
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/* From:
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"Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp"
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*/
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#ifdef INET6
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/sysctl.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet6/ip6_var.h>
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#include <stdlib.h>
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#include <string.h>
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#include <paths.h>
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#include "systat.h"
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#include "extern.h"
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#include "mode.h"
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static struct ip6stat curstat, initstat, oldstat;
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/*-
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--0 1 2 3 4 5 6 7
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--0123456789012345678901234567890123456789012345678901234567890123456789012345
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00 IPv6 Input IPv6 Output
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019999999 total packets received 999999999 total packets sent
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029999999 - too short for header 999999999 - generated locally
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039999999 - too short for data 999999999 - output drops
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049999999 - with invalid version 999999999 output fragments generated
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059999999 total fragments received 999999999 - fragmentation failed
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069999999 - fragments dropped 999999999 destinations unreachable
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079999999 - fragments timed out 999999999 packets output via raw IP
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089999999 - fragments overflown
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099999999 - packets reassembled ok Input next-header histogram
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109999999 packets forwarded 999999999 - destination options
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119999999 - unreachable dests 999999999 - hop-by-hop options
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129999999 - redirects generated 999999999 - IPv4
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139999999 option errors 999999999 - TCP
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149999999 unwanted multicasts 999999999 - UDP
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159999999 delivered to upper layer 999999999 - IPv6
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169999999 bad scope packets 999999999 - routing header
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179999999 address selection failed 999999999 - fragmentation header
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18 999999999 - ICMP6
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19 999999999 - none
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--0123456789012345678901234567890123456789012345678901234567890123456789012345
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--0 1 2 3 4 5 6 7
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*/
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WINDOW *
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openip6(void)
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{
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return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
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}
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void
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closeip6(WINDOW *w)
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{
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if (w == NULL)
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return;
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wclear(w);
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wrefresh(w);
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delwin(w);
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}
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void
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labelip6(void)
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{
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wmove(wnd, 0, 0); wclrtoeol(wnd);
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#define L(row, str) mvwprintw(wnd, row, 10, str)
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#define R(row, str) mvwprintw(wnd, row, 45, str);
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L(0, "IPv6 Input"); R(0, "IPv6 Output");
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L(1, "total packets received"); R(1, "total packets sent");
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L(2, "- too short for header"); R(2, "- generated locally");
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L(3, "- too short for data"); R(3, "- output drops");
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L(4, "- with invalid version"); R(4, "output fragments generated");
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L(5, "total fragments received"); R(5, "- fragmentation failed");
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L(6, "- fragments dropped"); R(6, "destinations unreachable");
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L(7, "- fragments timed out"); R(7, "packets output via raw IP");
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L(8, "- fragments overflown");
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L(9, "- packets reassembled ok"); R(9, "Input next-header histogram");
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L(10, "packets forwarded"); R(10, " - destination options");
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L(11, "- unreachable dests"); R(11, " - hop-by-hop options");
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L(12, "- redirects generated"); R(12, " - IPv4");
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L(13, "option errors"); R(13, " - TCP");
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L(14, "unwanted multicasts"); R(14, " - UDP");
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L(15, "delivered to upper layer"); R(15, " - IPv6");
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L(16, "bad scope packets"); R(16, " - routing header");
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L(17, "address selection failed"); R(17, " - fragmentation header");
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R(18, " - ICMP6");
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R(19, " - none");
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#undef L
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#undef R
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}
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static void
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domode(struct ip6stat *ret)
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{
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const struct ip6stat *sub;
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int divisor = 1, i;
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switch(currentmode) {
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case display_RATE:
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sub = &oldstat;
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divisor = (delay > 1000000) ? delay / 1000000 : 1;
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break;
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case display_DELTA:
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sub = &oldstat;
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break;
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case display_SINCE:
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sub = &initstat;
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break;
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default:
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*ret = curstat;
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return;
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}
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#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
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DO(ip6s_total);
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DO(ip6s_tooshort);
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DO(ip6s_toosmall);
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DO(ip6s_fragments);
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DO(ip6s_fragdropped);
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DO(ip6s_fragtimeout);
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DO(ip6s_fragoverflow);
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DO(ip6s_forward);
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DO(ip6s_cantforward);
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DO(ip6s_redirectsent);
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DO(ip6s_delivered);
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DO(ip6s_localout);
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DO(ip6s_odropped);
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DO(ip6s_reassembled);
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DO(ip6s_fragmented);
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DO(ip6s_ofragments);
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DO(ip6s_cantfrag);
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DO(ip6s_badoptions);
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DO(ip6s_noroute);
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DO(ip6s_badvers);
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DO(ip6s_rawout);
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DO(ip6s_notmember);
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for (i = 0; i < 256; i++)
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DO(ip6s_nxthist[i]);
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DO(ip6s_badscope);
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DO(ip6s_sources_none);
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#undef DO
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}
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void
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showip6(void)
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{
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struct ip6stat stats;
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u_long totalout;
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domode(&stats);
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totalout = stats.ip6s_forward + stats.ip6s_localout;
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#define DO(stat, row, col) \
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mvwprintw(wnd, row, col, "%9lu", stats.stat)
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DO(ip6s_total, 1, 0);
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mvwprintw(wnd, 1, 35, "%9lu", totalout);
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DO(ip6s_tooshort, 2, 0);
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DO(ip6s_localout, 2, 35);
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DO(ip6s_toosmall, 3, 0);
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DO(ip6s_odropped, 3, 35);
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DO(ip6s_badvers, 4, 0);
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DO(ip6s_ofragments, 4, 35);
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DO(ip6s_fragments, 5, 0);
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DO(ip6s_cantfrag, 5, 35);
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DO(ip6s_fragdropped, 6, 0);
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DO(ip6s_noroute, 6, 35);
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DO(ip6s_fragtimeout, 7, 0);
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DO(ip6s_rawout, 7, 35);
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DO(ip6s_fragoverflow, 8, 0);
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DO(ip6s_reassembled, 9, 0);
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DO(ip6s_forward, 10, 0);
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DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35);
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DO(ip6s_cantforward, 11, 0);
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DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35);
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DO(ip6s_redirectsent, 12, 0);
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DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35);
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DO(ip6s_badoptions, 13, 0);
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DO(ip6s_nxthist[IPPROTO_TCP], 13, 35);
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DO(ip6s_notmember, 14, 0);
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DO(ip6s_nxthist[IPPROTO_UDP], 14, 35);
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DO(ip6s_delivered, 15, 0);
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DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35);
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DO(ip6s_badscope, 16, 0);
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DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35);
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DO(ip6s_sources_none, 17, 0);
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DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35);
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DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35);
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DO(ip6s_nxthist[IPPROTO_NONE], 19, 35);
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#undef DO
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}
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int
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initip6(void)
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{
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size_t len;
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int name[4];
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name[0] = CTL_NET;
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name[1] = PF_INET6;
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name[2] = IPPROTO_IPV6;
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name[3] = IPV6CTL_STATS;
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len = 0;
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if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
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error("sysctl getting ip6stat size failed");
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return 0;
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}
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if (len > sizeof curstat) {
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error("ip6stat structure has grown--recompile systat!");
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return 0;
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}
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if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
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error("sysctl getting ip6stat failed");
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return 0;
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}
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oldstat = initstat;
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return 1;
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}
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void
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resetip6(void)
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{
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size_t len;
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int name[4];
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name[0] = CTL_NET;
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name[1] = PF_INET6;
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name[2] = IPPROTO_IPV6;
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name[3] = IPV6CTL_STATS;
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len = sizeof initstat;
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if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
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error("sysctl getting ipstat failed");
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}
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oldstat = initstat;
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}
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void
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fetchip6(void)
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{
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int name[4];
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size_t len;
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oldstat = curstat;
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name[0] = CTL_NET;
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name[1] = PF_INET6;
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name[2] = IPPROTO_IPV6;
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name[3] = IPV6CTL_STATS;
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len = sizeof curstat;
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if (sysctl(name, 4, &curstat, &len, 0, 0) < 0)
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return;
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}
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#endif
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