1126 lines
32 KiB
C
1126 lines
32 KiB
C
/*-
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* Copyright (c) 1983, 1988, 1993, 1995
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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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[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95";
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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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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/domain.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/sysctl.h>
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#include <sys/protosw.h>
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#include <net/route.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 <netinet/ip_carp.h>
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#ifdef INET6
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#include <netinet/ip6.h>
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#endif /* INET6 */
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#include <netinet/in_pcb.h>
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#include <netinet/ip_icmp.h>
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#include <netinet/icmp_var.h>
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#include <netinet/igmp_var.h>
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#include <netinet/ip_var.h>
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#include <netinet/pim_var.h>
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#include <netinet/tcp.h>
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#include <netinet/tcpip.h>
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#include <netinet/tcp_seq.h>
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#define TCPSTATES
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#include <netinet/tcp_fsm.h>
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#include <netinet/tcp_timer.h>
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#include <netinet/tcp_var.h>
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#include <netinet/tcp_debug.h>
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#include <netinet/udp.h>
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#include <netinet/udp_var.h>
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#include <arpa/inet.h>
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#include <err.h>
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#include <errno.h>
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#include <libutil.h>
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#include <netdb.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "netstat.h"
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char *inetname(struct in_addr *);
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void inetprint(struct in_addr *, int, const char *, int);
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#ifdef INET6
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static int udp_done, tcp_done;
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#endif /* INET6 */
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static int
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pcblist_sysctl(int proto, char **bufp, int istcp)
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{
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const char *mibvar;
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char *buf;
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size_t len;
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switch (proto) {
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case IPPROTO_TCP:
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mibvar = "net.inet.tcp.pcblist";
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break;
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case IPPROTO_UDP:
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mibvar = "net.inet.udp.pcblist";
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break;
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case IPPROTO_DIVERT:
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mibvar = "net.inet.divert.pcblist";
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break;
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default:
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mibvar = "net.inet.raw.pcblist";
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break;
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}
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len = 0;
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if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
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if (errno != ENOENT)
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warn("sysctl: %s", mibvar);
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return (0);
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}
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if ((buf = malloc(len)) == 0) {
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warnx("malloc %lu bytes", (u_long)len);
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return (0);
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}
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if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
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warn("sysctl: %s", mibvar);
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free(buf);
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return (0);
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}
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*bufp = buf;
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return (1);
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}
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/*
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* Copied directly from uipc_socket2.c. We leave out some fields that are in
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* nested structures that aren't used to avoid extra work.
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*/
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static void
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sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb)
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{
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xsb->sb_cc = sb->sb_cc;
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xsb->sb_hiwat = sb->sb_hiwat;
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xsb->sb_mbcnt = sb->sb_mbcnt;
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xsb->sb_mbmax = sb->sb_mbmax;
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xsb->sb_lowat = sb->sb_lowat;
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xsb->sb_flags = sb->sb_flags;
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xsb->sb_timeo = sb->sb_timeo;
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}
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int
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sotoxsocket(struct socket *so, struct xsocket *xso)
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{
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struct protosw proto;
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struct domain domain;
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bzero(xso, sizeof *xso);
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xso->xso_len = sizeof *xso;
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xso->xso_so = so;
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xso->so_type = so->so_type;
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xso->so_options = so->so_options;
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xso->so_linger = so->so_linger;
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xso->so_state = so->so_state;
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xso->so_pcb = so->so_pcb;
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if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0)
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return (-1);
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xso->xso_protocol = proto.pr_protocol;
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if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0)
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return (-1);
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xso->xso_family = domain.dom_family;
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xso->so_qlen = so->so_qlen;
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xso->so_incqlen = so->so_incqlen;
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xso->so_qlimit = so->so_qlimit;
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xso->so_timeo = so->so_timeo;
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xso->so_error = so->so_error;
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xso->so_oobmark = so->so_oobmark;
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sbtoxsockbuf(&so->so_snd, &xso->so_snd);
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sbtoxsockbuf(&so->so_rcv, &xso->so_rcv);
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return (0);
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}
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static int
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pcblist_kvm(u_long off, char **bufp, int istcp)
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{
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struct inpcbinfo pcbinfo;
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struct inpcbhead listhead;
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struct inpcb *inp;
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struct xinpcb xi;
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struct xinpgen xig;
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struct xtcpcb xt;
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struct socket so;
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struct xsocket *xso;
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char *buf, *p;
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size_t len;
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if (off == 0)
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return (0);
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kread(off, &pcbinfo, sizeof(pcbinfo));
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if (istcp)
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len = 2 * sizeof(xig) +
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(pcbinfo.ipi_count + pcbinfo.ipi_count / 8) *
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sizeof(struct xtcpcb);
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else
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len = 2 * sizeof(xig) +
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(pcbinfo.ipi_count + pcbinfo.ipi_count / 8) *
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sizeof(struct xinpcb);
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if ((buf = malloc(len)) == 0) {
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warnx("malloc %lu bytes", (u_long)len);
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return (0);
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}
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p = buf;
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#define COPYOUT(obj, size) do { \
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if (len < (size)) { \
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warnx("buffer size exceeded"); \
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goto fail; \
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} \
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bcopy((obj), p, (size)); \
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len -= (size); \
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p += (size); \
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} while (0)
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#define KREAD(off, buf, len) do { \
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if (kread((uintptr_t)(off), (buf), (len)) != 0) \
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goto fail; \
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} while (0)
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/* Write out header. */
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xig.xig_len = sizeof xig;
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xig.xig_count = pcbinfo.ipi_count;
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xig.xig_gen = pcbinfo.ipi_gencnt;
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xig.xig_sogen = 0;
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COPYOUT(&xig, sizeof xig);
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/* Walk the PCB list. */
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xt.xt_len = sizeof xt;
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xi.xi_len = sizeof xi;
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if (istcp)
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xso = &xt.xt_socket;
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else
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xso = &xi.xi_socket;
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KREAD(pcbinfo.ipi_listhead, &listhead, sizeof(listhead));
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LIST_FOREACH(inp, &listhead, inp_list) {
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if (istcp) {
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KREAD(inp, &xt.xt_inp, sizeof(*inp));
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inp = &xt.xt_inp;
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} else {
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KREAD(inp, &xi.xi_inp, sizeof(*inp));
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inp = &xi.xi_inp;
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}
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if (inp->inp_gencnt > pcbinfo.ipi_gencnt)
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continue;
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if (istcp) {
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if (inp->inp_ppcb == NULL)
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bzero(&xt.xt_tp, sizeof xt.xt_tp);
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else if (inp->inp_vflag & INP_TIMEWAIT) {
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bzero(&xt.xt_tp, sizeof xt.xt_tp);
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xt.xt_tp.t_state = TCPS_TIME_WAIT;
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} else
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KREAD(inp->inp_ppcb, &xt.xt_tp,
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sizeof xt.xt_tp);
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}
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if (inp->inp_socket) {
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KREAD(inp->inp_socket, &so, sizeof(so));
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if (sotoxsocket(&so, xso) != 0)
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goto fail;
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} else {
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bzero(xso, sizeof(*xso));
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if (istcp)
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xso->xso_protocol = IPPROTO_TCP;
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}
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if (istcp)
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COPYOUT(&xt, sizeof xt);
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else
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COPYOUT(&xi, sizeof xi);
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}
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/* Reread the pcbinfo and write out the footer. */
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kread(off, &pcbinfo, sizeof(pcbinfo));
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xig.xig_count = pcbinfo.ipi_count;
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xig.xig_gen = pcbinfo.ipi_gencnt;
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COPYOUT(&xig, sizeof xig);
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*bufp = buf;
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return (1);
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fail:
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free(buf);
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return (0);
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#undef COPYOUT
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#undef KREAD
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}
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/*
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* Print a summary of connections related to an Internet
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* protocol. For TCP, also give state of connection.
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* Listening processes (aflag) are suppressed unless the
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* -a (all) flag is specified.
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*/
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void
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protopr(u_long off, const char *name, int af1, int proto)
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{
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int istcp;
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static int first = 1;
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char *buf;
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const char *vchar;
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struct tcpcb *tp = NULL;
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struct inpcb *inp;
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struct xinpgen *xig, *oxig;
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struct xsocket *so;
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istcp = 0;
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switch (proto) {
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case IPPROTO_TCP:
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#ifdef INET6
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if (tcp_done != 0)
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return;
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else
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tcp_done = 1;
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#endif
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istcp = 1;
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break;
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case IPPROTO_UDP:
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#ifdef INET6
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if (udp_done != 0)
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return;
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else
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udp_done = 1;
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#endif
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break;
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}
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if (live) {
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if (!pcblist_sysctl(proto, &buf, istcp))
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return;
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} else {
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if (!pcblist_kvm(off, &buf, istcp))
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return;
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}
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oxig = xig = (struct xinpgen *)buf;
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for (xig = (struct xinpgen *)((char *)xig + xig->xig_len);
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xig->xig_len > sizeof(struct xinpgen);
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xig = (struct xinpgen *)((char *)xig + xig->xig_len)) {
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if (istcp) {
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tp = &((struct xtcpcb *)xig)->xt_tp;
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inp = &((struct xtcpcb *)xig)->xt_inp;
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so = &((struct xtcpcb *)xig)->xt_socket;
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} else {
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inp = &((struct xinpcb *)xig)->xi_inp;
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so = &((struct xinpcb *)xig)->xi_socket;
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}
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/* Ignore sockets for protocols other than the desired one. */
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if (so->xso_protocol != proto)
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continue;
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/* Ignore PCBs which were freed during copyout. */
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if (inp->inp_gencnt > oxig->xig_gen)
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continue;
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if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0)
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#ifdef INET6
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|| (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0)
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#endif /* INET6 */
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|| (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0
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#ifdef INET6
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&& (inp->inp_vflag & INP_IPV6) == 0
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#endif /* INET6 */
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))
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)
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continue;
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if (!aflag &&
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(
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(istcp && tp->t_state == TCPS_LISTEN)
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|| (af1 == AF_INET &&
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inet_lnaof(inp->inp_laddr) == INADDR_ANY)
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#ifdef INET6
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|| (af1 == AF_INET6 &&
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IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
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#endif /* INET6 */
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|| (af1 == AF_UNSPEC &&
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(((inp->inp_vflag & INP_IPV4) != 0 &&
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inet_lnaof(inp->inp_laddr) == INADDR_ANY)
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#ifdef INET6
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|| ((inp->inp_vflag & INP_IPV6) != 0 &&
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IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
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#endif
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))
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))
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continue;
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if (first) {
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if (!Lflag) {
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printf("Active Internet connections");
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if (aflag)
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printf(" (including servers)");
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|
} else
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printf(
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"Current listen queue sizes (qlen/incqlen/maxqlen)");
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|
putchar('\n');
|
|
if (Aflag)
|
|
printf("%-8.8s ", "Tcpcb");
|
|
if (Lflag)
|
|
printf("%-5.5s %-14.14s %-22.22s\n",
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"Proto", "Listen", "Local Address");
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else
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printf((Aflag && !Wflag) ?
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"%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" :
|
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"%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
|
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"Proto", "Recv-Q", "Send-Q",
|
|
"Local Address", "Foreign Address",
|
|
"(state)");
|
|
first = 0;
|
|
}
|
|
if (Lflag && so->so_qlimit == 0)
|
|
continue;
|
|
if (Aflag) {
|
|
if (istcp)
|
|
printf("%8lx ", (u_long)inp->inp_ppcb);
|
|
else
|
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printf("%8lx ", (u_long)so->so_pcb);
|
|
}
|
|
#ifdef INET6
|
|
if ((inp->inp_vflag & INP_IPV6) != 0)
|
|
vchar = ((inp->inp_vflag & INP_IPV4) != 0) ?
|
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"46" : "6 ";
|
|
else
|
|
#endif
|
|
vchar = ((inp->inp_vflag & INP_IPV4) != 0) ?
|
|
"4 " : " ";
|
|
printf("%-3.3s%-2.2s ", name, vchar);
|
|
if (Lflag) {
|
|
char buf1[15];
|
|
|
|
snprintf(buf1, 15, "%d/%d/%d", so->so_qlen,
|
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so->so_incqlen, so->so_qlimit);
|
|
printf("%-14.14s ", buf1);
|
|
} else {
|
|
printf("%6u %6u ", so->so_rcv.sb_cc, so->so_snd.sb_cc);
|
|
}
|
|
if (numeric_port) {
|
|
if (inp->inp_vflag & INP_IPV4) {
|
|
inetprint(&inp->inp_laddr, (int)inp->inp_lport,
|
|
name, 1);
|
|
if (!Lflag)
|
|
inetprint(&inp->inp_faddr,
|
|
(int)inp->inp_fport, name, 1);
|
|
}
|
|
#ifdef INET6
|
|
else if (inp->inp_vflag & INP_IPV6) {
|
|
inet6print(&inp->in6p_laddr,
|
|
(int)inp->inp_lport, name, 1);
|
|
if (!Lflag)
|
|
inet6print(&inp->in6p_faddr,
|
|
(int)inp->inp_fport, name, 1);
|
|
} /* else nothing printed now */
|
|
#endif /* INET6 */
|
|
} else if (inp->inp_flags & INP_ANONPORT) {
|
|
if (inp->inp_vflag & INP_IPV4) {
|
|
inetprint(&inp->inp_laddr, (int)inp->inp_lport,
|
|
name, 1);
|
|
if (!Lflag)
|
|
inetprint(&inp->inp_faddr,
|
|
(int)inp->inp_fport, name, 0);
|
|
}
|
|
#ifdef INET6
|
|
else if (inp->inp_vflag & INP_IPV6) {
|
|
inet6print(&inp->in6p_laddr,
|
|
(int)inp->inp_lport, name, 1);
|
|
if (!Lflag)
|
|
inet6print(&inp->in6p_faddr,
|
|
(int)inp->inp_fport, name, 0);
|
|
} /* else nothing printed now */
|
|
#endif /* INET6 */
|
|
} else {
|
|
if (inp->inp_vflag & INP_IPV4) {
|
|
inetprint(&inp->inp_laddr, (int)inp->inp_lport,
|
|
name, 0);
|
|
if (!Lflag)
|
|
inetprint(&inp->inp_faddr,
|
|
(int)inp->inp_fport, name,
|
|
inp->inp_lport != inp->inp_fport);
|
|
}
|
|
#ifdef INET6
|
|
else if (inp->inp_vflag & INP_IPV6) {
|
|
inet6print(&inp->in6p_laddr,
|
|
(int)inp->inp_lport, name, 0);
|
|
if (!Lflag)
|
|
inet6print(&inp->in6p_faddr,
|
|
(int)inp->inp_fport, name,
|
|
inp->inp_lport != inp->inp_fport);
|
|
} /* else nothing printed now */
|
|
#endif /* INET6 */
|
|
}
|
|
if (istcp && !Lflag) {
|
|
if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES)
|
|
printf("%d", tp->t_state);
|
|
else {
|
|
printf("%s", tcpstates[tp->t_state]);
|
|
#if defined(TF_NEEDSYN) && defined(TF_NEEDFIN)
|
|
/* Show T/TCP `hidden state' */
|
|
if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN))
|
|
putchar('*');
|
|
#endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */
|
|
}
|
|
}
|
|
putchar('\n');
|
|
}
|
|
if (xig != oxig && xig->xig_gen != oxig->xig_gen) {
|
|
if (oxig->xig_count > xig->xig_count) {
|
|
printf("Some %s sockets may have been deleted.\n",
|
|
name);
|
|
} else if (oxig->xig_count < xig->xig_count) {
|
|
printf("Some %s sockets may have been created.\n",
|
|
name);
|
|
} else {
|
|
printf(
|
|
"Some %s sockets may have been created or deleted.\n",
|
|
name);
|
|
}
|
|
}
|
|
free(buf);
|
|
}
|
|
|
|
/*
|
|
* Dump TCP statistics structure.
|
|
*/
|
|
void
|
|
tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
|
|
{
|
|
struct tcpstat tcpstat, zerostat;
|
|
size_t len = sizeof tcpstat;
|
|
|
|
#ifdef INET6
|
|
if (tcp_done != 0)
|
|
return;
|
|
else
|
|
tcp_done = 1;
|
|
#endif
|
|
|
|
if (live) {
|
|
if (zflag)
|
|
memset(&zerostat, 0, len);
|
|
if (sysctlbyname("net.inet.tcp.stats", &tcpstat, &len,
|
|
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
|
|
warn("sysctl: net.inet.tcp.stats");
|
|
return;
|
|
}
|
|
} else
|
|
kread(off, &tcpstat, len);
|
|
|
|
printf ("%s:\n", name);
|
|
|
|
#define p(f, m) if (tcpstat.f || sflag <= 1) \
|
|
printf(m, tcpstat.f, plural(tcpstat.f))
|
|
#define p1a(f, m) if (tcpstat.f || sflag <= 1) \
|
|
printf(m, tcpstat.f)
|
|
#define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
|
|
printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
|
|
#define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
|
|
printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2)
|
|
#define p3(f, m) if (tcpstat.f || sflag <= 1) \
|
|
printf(m, tcpstat.f, pluralies(tcpstat.f))
|
|
|
|
p(tcps_sndtotal, "\t%lu packet%s sent\n");
|
|
p2(tcps_sndpack,tcps_sndbyte, "\t\t%lu data packet%s (%lu byte%s)\n");
|
|
p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
|
|
"\t\t%lu data packet%s (%lu byte%s) retransmitted\n");
|
|
p(tcps_sndrexmitbad,
|
|
"\t\t%lu data packet%s unnecessarily retransmitted\n");
|
|
p(tcps_mturesent, "\t\t%lu resend%s initiated by MTU discovery\n");
|
|
p2a(tcps_sndacks, tcps_delack,
|
|
"\t\t%lu ack-only packet%s (%lu delayed)\n");
|
|
p(tcps_sndurg, "\t\t%lu URG only packet%s\n");
|
|
p(tcps_sndprobe, "\t\t%lu window probe packet%s\n");
|
|
p(tcps_sndwinup, "\t\t%lu window update packet%s\n");
|
|
p(tcps_sndctrl, "\t\t%lu control packet%s\n");
|
|
p(tcps_rcvtotal, "\t%lu packet%s received\n");
|
|
p2(tcps_rcvackpack, tcps_rcvackbyte,
|
|
"\t\t%lu ack%s (for %lu byte%s)\n");
|
|
p(tcps_rcvdupack, "\t\t%lu duplicate ack%s\n");
|
|
p(tcps_rcvacktoomuch, "\t\t%lu ack%s for unsent data\n");
|
|
p2(tcps_rcvpack, tcps_rcvbyte,
|
|
"\t\t%lu packet%s (%lu byte%s) received in-sequence\n");
|
|
p2(tcps_rcvduppack, tcps_rcvdupbyte,
|
|
"\t\t%lu completely duplicate packet%s (%lu byte%s)\n");
|
|
p(tcps_pawsdrop, "\t\t%lu old duplicate packet%s\n");
|
|
p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
|
|
"\t\t%lu packet%s with some dup. data (%lu byte%s duped)\n");
|
|
p2(tcps_rcvoopack, tcps_rcvoobyte,
|
|
"\t\t%lu out-of-order packet%s (%lu byte%s)\n");
|
|
p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
|
|
"\t\t%lu packet%s (%lu byte%s) of data after window\n");
|
|
p(tcps_rcvwinprobe, "\t\t%lu window probe%s\n");
|
|
p(tcps_rcvwinupd, "\t\t%lu window update packet%s\n");
|
|
p(tcps_rcvafterclose, "\t\t%lu packet%s received after close\n");
|
|
p(tcps_rcvbadsum, "\t\t%lu discarded for bad checksum%s\n");
|
|
p(tcps_rcvbadoff, "\t\t%lu discarded for bad header offset field%s\n");
|
|
p1a(tcps_rcvshort, "\t\t%lu discarded because packet too short\n");
|
|
p1a(tcps_rcvmemdrop, "\t\t%lu discarded due to memory problems\n");
|
|
p(tcps_connattempt, "\t%lu connection request%s\n");
|
|
p(tcps_accepts, "\t%lu connection accept%s\n");
|
|
p(tcps_badsyn, "\t%lu bad connection attempt%s\n");
|
|
p(tcps_listendrop, "\t%lu listen queue overflow%s\n");
|
|
p(tcps_badrst, "\t%lu ignored RSTs in the window%s\n");
|
|
p(tcps_connects, "\t%lu connection%s established (including accepts)\n");
|
|
p2(tcps_closed, tcps_drops,
|
|
"\t%lu connection%s closed (including %lu drop%s)\n");
|
|
p(tcps_cachedrtt, "\t\t%lu connection%s updated cached RTT on close\n");
|
|
p(tcps_cachedrttvar,
|
|
"\t\t%lu connection%s updated cached RTT variance on close\n");
|
|
p(tcps_cachedssthresh,
|
|
"\t\t%lu connection%s updated cached ssthresh on close\n");
|
|
p(tcps_conndrops, "\t%lu embryonic connection%s dropped\n");
|
|
p2(tcps_rttupdated, tcps_segstimed,
|
|
"\t%lu segment%s updated rtt (of %lu attempt%s)\n");
|
|
p(tcps_rexmttimeo, "\t%lu retransmit timeout%s\n");
|
|
p(tcps_timeoutdrop, "\t\t%lu connection%s dropped by rexmit timeout\n");
|
|
p(tcps_persisttimeo, "\t%lu persist timeout%s\n");
|
|
p(tcps_persistdrop, "\t\t%lu connection%s dropped by persist timeout\n");
|
|
p(tcps_finwait2_drops,
|
|
"\t%lu Connection%s (fin_wait_2) dropped because of timeout\n");
|
|
p(tcps_keeptimeo, "\t%lu keepalive timeout%s\n");
|
|
p(tcps_keepprobe, "\t\t%lu keepalive probe%s sent\n");
|
|
p(tcps_keepdrops, "\t\t%lu connection%s dropped by keepalive\n");
|
|
p(tcps_predack, "\t%lu correct ACK header prediction%s\n");
|
|
p(tcps_preddat, "\t%lu correct data packet header prediction%s\n");
|
|
|
|
p3(tcps_sc_added, "\t%lu syncache entr%s added\n");
|
|
p1a(tcps_sc_retransmitted, "\t\t%lu retransmitted\n");
|
|
p1a(tcps_sc_dupsyn, "\t\t%lu dupsyn\n");
|
|
p1a(tcps_sc_dropped, "\t\t%lu dropped\n");
|
|
p1a(tcps_sc_completed, "\t\t%lu completed\n");
|
|
p1a(tcps_sc_bucketoverflow, "\t\t%lu bucket overflow\n");
|
|
p1a(tcps_sc_cacheoverflow, "\t\t%lu cache overflow\n");
|
|
p1a(tcps_sc_reset, "\t\t%lu reset\n");
|
|
p1a(tcps_sc_stale, "\t\t%lu stale\n");
|
|
p1a(tcps_sc_aborted, "\t\t%lu aborted\n");
|
|
p1a(tcps_sc_badack, "\t\t%lu badack\n");
|
|
p1a(tcps_sc_unreach, "\t\t%lu unreach\n");
|
|
p(tcps_sc_zonefail, "\t\t%lu zone failure%s\n");
|
|
p(tcps_sc_sendcookie, "\t%lu cookie%s sent\n");
|
|
p(tcps_sc_recvcookie, "\t%lu cookie%s received\n");
|
|
|
|
p(tcps_sack_recovery_episode, "\t%lu SACK recovery episode%s\n");
|
|
p(tcps_sack_rexmits,
|
|
"\t%lu segment rexmit%s in SACK recovery episodes\n");
|
|
p(tcps_sack_rexmit_bytes,
|
|
"\t%lu byte rexmit%s in SACK recovery episodes\n");
|
|
p(tcps_sack_rcv_blocks,
|
|
"\t%lu SACK option%s (SACK blocks) received\n");
|
|
p(tcps_sack_send_blocks, "\t%lu SACK option%s (SACK blocks) sent\n");
|
|
p1a(tcps_sack_sboverflow, "\t%lu SACK scoreboard overflow\n");
|
|
|
|
#undef p
|
|
#undef p1a
|
|
#undef p2
|
|
#undef p2a
|
|
#undef p3
|
|
}
|
|
|
|
/*
|
|
* Dump UDP statistics structure.
|
|
*/
|
|
void
|
|
udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
|
|
{
|
|
struct udpstat udpstat, zerostat;
|
|
size_t len = sizeof udpstat;
|
|
u_long delivered;
|
|
|
|
#ifdef INET6
|
|
if (udp_done != 0)
|
|
return;
|
|
else
|
|
udp_done = 1;
|
|
#endif
|
|
|
|
if (live) {
|
|
if (zflag)
|
|
memset(&zerostat, 0, len);
|
|
if (sysctlbyname("net.inet.udp.stats", &udpstat, &len,
|
|
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
|
|
warn("sysctl: net.inet.udp.stats");
|
|
return;
|
|
}
|
|
} else
|
|
kread(off, &udpstat, len);
|
|
|
|
printf("%s:\n", name);
|
|
#define p(f, m) if (udpstat.f || sflag <= 1) \
|
|
printf(m, udpstat.f, plural(udpstat.f))
|
|
#define p1a(f, m) if (udpstat.f || sflag <= 1) \
|
|
printf(m, udpstat.f)
|
|
p(udps_ipackets, "\t%lu datagram%s received\n");
|
|
p1a(udps_hdrops, "\t%lu with incomplete header\n");
|
|
p1a(udps_badlen, "\t%lu with bad data length field\n");
|
|
p1a(udps_badsum, "\t%lu with bad checksum\n");
|
|
p1a(udps_nosum, "\t%lu with no checksum\n");
|
|
p1a(udps_noport, "\t%lu dropped due to no socket\n");
|
|
p(udps_noportbcast,
|
|
"\t%lu broadcast/multicast datagram%s undelivered\n");
|
|
p1a(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
|
|
p1a(udpps_pcbhashmiss, "\t%lu not for hashed pcb\n");
|
|
delivered = udpstat.udps_ipackets -
|
|
udpstat.udps_hdrops -
|
|
udpstat.udps_badlen -
|
|
udpstat.udps_badsum -
|
|
udpstat.udps_noport -
|
|
udpstat.udps_noportbcast -
|
|
udpstat.udps_fullsock;
|
|
if (delivered || sflag <= 1)
|
|
printf("\t%lu delivered\n", delivered);
|
|
p(udps_opackets, "\t%lu datagram%s output\n");
|
|
/* the next statistic is cumulative in udps_noportbcast */
|
|
p(udps_filtermcast,
|
|
"\t%lu time%s multicast source filter matched\n");
|
|
#undef p
|
|
#undef p1a
|
|
}
|
|
|
|
/*
|
|
* Dump CARP statistics structure.
|
|
*/
|
|
void
|
|
carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
|
|
{
|
|
struct carpstats carpstat, zerostat;
|
|
size_t len = sizeof(struct carpstats);
|
|
|
|
if (live) {
|
|
if (zflag)
|
|
memset(&zerostat, 0, len);
|
|
if (sysctlbyname("net.inet.carp.stats", &carpstat, &len,
|
|
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
|
|
if (errno != ENOENT)
|
|
warn("sysctl: net.inet.carp.stats");
|
|
return;
|
|
}
|
|
} else {
|
|
if (off == 0)
|
|
return;
|
|
kread(off, &carpstat, len);
|
|
}
|
|
|
|
printf("%s:\n", name);
|
|
|
|
#define p(f, m) if (carpstat.f || sflag <= 1) \
|
|
printf(m, (uintmax_t)carpstat.f, plural(carpstat.f))
|
|
#define p2(f, m) if (carpstat.f || sflag <= 1) \
|
|
printf(m, (uintmax_t)carpstat.f)
|
|
|
|
p(carps_ipackets, "\t%ju packet%s received (IPv4)\n");
|
|
p(carps_ipackets6, "\t%ju packet%s received (IPv6)\n");
|
|
p(carps_badttl, "\t\t%ju packet%s discarded for wrong TTL\n");
|
|
p(carps_hdrops, "\t\t%ju packet%s shorter than header\n");
|
|
p(carps_badsum, "\t\t%ju discarded for bad checksum%s\n");
|
|
p(carps_badver, "\t\t%ju discarded packet%s with a bad version\n");
|
|
p2(carps_badlen, "\t\t%ju discarded because packet too short\n");
|
|
p2(carps_badauth, "\t\t%ju discarded for bad authentication\n");
|
|
p2(carps_badvhid, "\t\t%ju discarded for bad vhid\n");
|
|
p2(carps_badaddrs, "\t\t%ju discarded because of a bad address list\n");
|
|
p(carps_opackets, "\t%ju packet%s sent (IPv4)\n");
|
|
p(carps_opackets6, "\t%ju packet%s sent (IPv6)\n");
|
|
p2(carps_onomem, "\t\t%ju send failed due to mbuf memory error\n");
|
|
#if notyet
|
|
p(carps_ostates, "\t\t%s state update%s sent\n");
|
|
#endif
|
|
#undef p
|
|
#undef p2
|
|
}
|
|
|
|
/*
|
|
* Dump IP statistics structure.
|
|
*/
|
|
void
|
|
ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
|
|
{
|
|
struct ipstat ipstat, zerostat;
|
|
size_t len = sizeof ipstat;
|
|
|
|
if (live) {
|
|
if (zflag)
|
|
memset(&zerostat, 0, len);
|
|
if (sysctlbyname("net.inet.ip.stats", &ipstat, &len,
|
|
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
|
|
warn("sysctl: net.inet.ip.stats");
|
|
return;
|
|
}
|
|
} else
|
|
kread(off, &ipstat, len);
|
|
|
|
printf("%s:\n", name);
|
|
|
|
#define p(f, m) if (ipstat.f || sflag <= 1) \
|
|
printf(m, ipstat.f, plural(ipstat.f))
|
|
#define p1a(f, m) if (ipstat.f || sflag <= 1) \
|
|
printf(m, ipstat.f)
|
|
|
|
p(ips_total, "\t%lu total packet%s received\n");
|
|
p(ips_badsum, "\t%lu bad header checksum%s\n");
|
|
p1a(ips_toosmall, "\t%lu with size smaller than minimum\n");
|
|
p1a(ips_tooshort, "\t%lu with data size < data length\n");
|
|
p1a(ips_toolong, "\t%lu with ip length > max ip packet size\n");
|
|
p1a(ips_badhlen, "\t%lu with header length < data size\n");
|
|
p1a(ips_badlen, "\t%lu with data length < header length\n");
|
|
p1a(ips_badoptions, "\t%lu with bad options\n");
|
|
p1a(ips_badvers, "\t%lu with incorrect version number\n");
|
|
p(ips_fragments, "\t%lu fragment%s received\n");
|
|
p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n");
|
|
p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
|
|
p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
|
|
p(ips_delivered, "\t%lu packet%s for this host\n");
|
|
p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
|
|
p(ips_forward, "\t%lu packet%s forwarded");
|
|
p(ips_fastforward, " (%lu packet%s fast forwarded)");
|
|
if (ipstat.ips_forward || sflag <= 1)
|
|
putchar('\n');
|
|
p(ips_cantforward, "\t%lu packet%s not forwardable\n");
|
|
p(ips_notmember,
|
|
"\t%lu packet%s received for unknown multicast group\n");
|
|
p(ips_redirectsent, "\t%lu redirect%s sent\n");
|
|
p(ips_localout, "\t%lu packet%s sent from this host\n");
|
|
p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
|
|
p(ips_odropped,
|
|
"\t%lu output packet%s dropped due to no bufs, etc.\n");
|
|
p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
|
|
p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
|
|
p(ips_ofragments, "\t%lu fragment%s created\n");
|
|
p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
|
|
p(ips_nogif, "\t%lu tunneling packet%s that can't find gif\n");
|
|
p(ips_badaddr, "\t%lu datagram%s with bad address in header\n");
|
|
#undef p
|
|
#undef p1a
|
|
}
|
|
|
|
static const char *icmpnames[ICMP_MAXTYPE + 1] = {
|
|
"echo reply", /* RFC 792 */
|
|
"#1",
|
|
"#2",
|
|
"destination unreachable", /* RFC 792 */
|
|
"source quench", /* RFC 792 */
|
|
"routing redirect", /* RFC 792 */
|
|
"#6",
|
|
"#7",
|
|
"echo", /* RFC 792 */
|
|
"router advertisement", /* RFC 1256 */
|
|
"router solicitation", /* RFC 1256 */
|
|
"time exceeded", /* RFC 792 */
|
|
"parameter problem", /* RFC 792 */
|
|
"time stamp", /* RFC 792 */
|
|
"time stamp reply", /* RFC 792 */
|
|
"information request", /* RFC 792 */
|
|
"information request reply", /* RFC 792 */
|
|
"address mask request", /* RFC 950 */
|
|
"address mask reply", /* RFC 950 */
|
|
"#19",
|
|
"#20",
|
|
"#21",
|
|
"#22",
|
|
"#23",
|
|
"#24",
|
|
"#25",
|
|
"#26",
|
|
"#27",
|
|
"#28",
|
|
"#29",
|
|
"icmp traceroute", /* RFC 1393 */
|
|
"datagram conversion error", /* RFC 1475 */
|
|
"mobile host redirect",
|
|
"IPv6 where-are-you",
|
|
"IPv6 i-am-here",
|
|
"mobile registration req",
|
|
"mobile registration reply",
|
|
"domain name request", /* RFC 1788 */
|
|
"domain name reply", /* RFC 1788 */
|
|
"icmp SKIP",
|
|
"icmp photuris", /* RFC 2521 */
|
|
};
|
|
|
|
/*
|
|
* Dump ICMP statistics.
|
|
*/
|
|
void
|
|
icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
|
|
{
|
|
struct icmpstat icmpstat, zerostat;
|
|
int i, first;
|
|
size_t len;
|
|
|
|
len = sizeof icmpstat;
|
|
if (live) {
|
|
if (zflag)
|
|
memset(&zerostat, 0, len);
|
|
if (sysctlbyname("net.inet.icmp.stats", &icmpstat, &len,
|
|
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
|
|
warn("sysctl: net.inet.icmp.stats");
|
|
return;
|
|
}
|
|
} else
|
|
kread(off, &icmpstat, len);
|
|
|
|
printf("%s:\n", name);
|
|
|
|
#define p(f, m) if (icmpstat.f || sflag <= 1) \
|
|
printf(m, icmpstat.f, plural(icmpstat.f))
|
|
#define p1a(f, m) if (icmpstat.f || sflag <= 1) \
|
|
printf(m, icmpstat.f)
|
|
#define p2(f, m) if (icmpstat.f || sflag <= 1) \
|
|
printf(m, icmpstat.f, plurales(icmpstat.f))
|
|
|
|
p(icps_error, "\t%lu call%s to icmp_error\n");
|
|
p(icps_oldicmp,
|
|
"\t%lu error%s not generated in response to an icmp message\n");
|
|
for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
|
|
if (icmpstat.icps_outhist[i] != 0) {
|
|
if (first) {
|
|
printf("\tOutput histogram:\n");
|
|
first = 0;
|
|
}
|
|
if (icmpnames[i] != NULL)
|
|
printf("\t\t%s: %lu\n", icmpnames[i],
|
|
icmpstat.icps_outhist[i]);
|
|
else
|
|
printf("\t\tunknown ICMP #%d: %lu\n", i,
|
|
icmpstat.icps_outhist[i]);
|
|
}
|
|
p(icps_badcode, "\t%lu message%s with bad code fields\n");
|
|
p(icps_tooshort, "\t%lu message%s less than the minimum length\n");
|
|
p(icps_checksum, "\t%lu message%s with bad checksum\n");
|
|
p(icps_badlen, "\t%lu message%s with bad length\n");
|
|
p1a(icps_bmcastecho, "\t%lu multicast echo requests ignored\n");
|
|
p1a(icps_bmcasttstamp, "\t%lu multicast timestamp requests ignored\n");
|
|
for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
|
|
if (icmpstat.icps_inhist[i] != 0) {
|
|
if (first) {
|
|
printf("\tInput histogram:\n");
|
|
first = 0;
|
|
}
|
|
if (icmpnames[i] != NULL)
|
|
printf("\t\t%s: %lu\n", icmpnames[i],
|
|
icmpstat.icps_inhist[i]);
|
|
else
|
|
printf("\t\tunknown ICMP #%d: %lu\n", i,
|
|
icmpstat.icps_inhist[i]);
|
|
}
|
|
p(icps_reflect, "\t%lu message response%s generated\n");
|
|
p2(icps_badaddr, "\t%lu invalid return address%s\n");
|
|
p(icps_noroute, "\t%lu no return route%s\n");
|
|
#undef p
|
|
#undef p1a
|
|
#undef p2
|
|
if (live) {
|
|
len = sizeof i;
|
|
if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) <
|
|
0)
|
|
return;
|
|
printf("\tICMP address mask responses are %sabled\n",
|
|
i ? "en" : "dis");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Dump IGMP statistics structure.
|
|
*/
|
|
void
|
|
igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
|
|
{
|
|
struct igmpstat igmpstat, zerostat;
|
|
size_t len = sizeof igmpstat;
|
|
|
|
if (live) {
|
|
if (zflag)
|
|
memset(&zerostat, 0, len);
|
|
if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len,
|
|
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
|
|
warn("sysctl: net.inet.igmp.stats");
|
|
return;
|
|
}
|
|
} else
|
|
kread(off, &igmpstat, len);
|
|
|
|
printf("%s:\n", name);
|
|
|
|
#define p(f, m) if (igmpstat.f || sflag <= 1) \
|
|
printf(m, igmpstat.f, plural(igmpstat.f))
|
|
#define py(f, m) if (igmpstat.f || sflag <= 1) \
|
|
printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
|
|
p(igps_rcv_total, "\t%u message%s received\n");
|
|
p(igps_rcv_tooshort, "\t%u message%s received with too few bytes\n");
|
|
p(igps_rcv_badsum, "\t%u message%s received with bad checksum\n");
|
|
py(igps_rcv_queries, "\t%u membership quer%s received\n");
|
|
py(igps_rcv_badqueries,
|
|
"\t%u membership quer%s received with invalid field(s)\n");
|
|
p(igps_rcv_reports, "\t%u membership report%s received\n");
|
|
p(igps_rcv_badreports,
|
|
"\t%u membership report%s received with invalid field(s)\n");
|
|
p(igps_rcv_ourreports,
|
|
"\t%u membership report%s received for groups to which we belong\n");
|
|
p(igps_snd_reports, "\t%u membership report%s sent\n");
|
|
#undef p
|
|
#undef py
|
|
}
|
|
|
|
/*
|
|
* Dump PIM statistics structure.
|
|
*/
|
|
void
|
|
pim_stats(u_long off __unused, const char *name, int af1 __unused,
|
|
int proto __unused)
|
|
{
|
|
struct pimstat pimstat, zerostat;
|
|
size_t len = sizeof pimstat;
|
|
|
|
if (live) {
|
|
if (zflag)
|
|
memset(&zerostat, 0, len);
|
|
if (sysctlbyname("net.inet.pim.stats", &pimstat, &len,
|
|
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
|
|
if (errno != ENOENT)
|
|
warn("sysctl: net.inet.pim.stats");
|
|
return;
|
|
}
|
|
} else {
|
|
if (off == 0)
|
|
return;
|
|
kread(off, &pimstat, len);
|
|
}
|
|
|
|
printf("%s:\n", name);
|
|
|
|
#define p(f, m) if (pimstat.f || sflag <= 1) \
|
|
printf(m, (uintmax_t)pimstat.f, plural(pimstat.f))
|
|
#define py(f, m) if (pimstat.f || sflag <= 1) \
|
|
printf(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y")
|
|
p(pims_rcv_total_msgs, "\t%ju message%s received\n");
|
|
p(pims_rcv_total_bytes, "\t%ju byte%s received\n");
|
|
p(pims_rcv_tooshort, "\t%ju message%s received with too few bytes\n");
|
|
p(pims_rcv_badsum, "\t%ju message%s received with bad checksum\n");
|
|
p(pims_rcv_badversion, "\t%ju message%s received with bad version\n");
|
|
p(pims_rcv_registers_msgs, "\t%ju data register message%s received\n");
|
|
p(pims_rcv_registers_bytes, "\t%ju data register byte%s received\n");
|
|
p(pims_rcv_registers_wrongiif,
|
|
"\t%ju data register message%s received on wrong iif\n");
|
|
p(pims_rcv_badregisters, "\t%ju bad register%s received\n");
|
|
p(pims_snd_registers_msgs, "\t%ju data register message%s sent\n");
|
|
p(pims_snd_registers_bytes, "\t%ju data register byte%s sent\n");
|
|
#undef p
|
|
#undef py
|
|
}
|
|
|
|
/*
|
|
* Pretty print an Internet address (net address + port).
|
|
*/
|
|
void
|
|
inetprint(struct in_addr *in, int port, const char *proto, int num_port)
|
|
{
|
|
struct servent *sp = 0;
|
|
char line[80], *cp;
|
|
int width;
|
|
|
|
if (Wflag)
|
|
sprintf(line, "%s.", inetname(in));
|
|
else
|
|
sprintf(line, "%.*s.", (Aflag && !num_port) ? 12 : 16, inetname(in));
|
|
cp = index(line, '\0');
|
|
if (!num_port && port)
|
|
sp = getservbyport((int)port, proto);
|
|
if (sp || port == 0)
|
|
sprintf(cp, "%.15s ", sp ? sp->s_name : "*");
|
|
else
|
|
sprintf(cp, "%d ", ntohs((u_short)port));
|
|
width = (Aflag && !Wflag) ? 18 : 22;
|
|
if (Wflag)
|
|
printf("%-*s ", width, line);
|
|
else
|
|
printf("%-*.*s ", width, width, line);
|
|
}
|
|
|
|
/*
|
|
* Construct an Internet address representation.
|
|
* If numeric_addr has been supplied, give
|
|
* numeric value, otherwise try for symbolic name.
|
|
*/
|
|
char *
|
|
inetname(struct in_addr *inp)
|
|
{
|
|
char *cp;
|
|
static char line[MAXHOSTNAMELEN];
|
|
struct hostent *hp;
|
|
struct netent *np;
|
|
|
|
cp = 0;
|
|
if (!numeric_addr && inp->s_addr != INADDR_ANY) {
|
|
int net = inet_netof(*inp);
|
|
int lna = inet_lnaof(*inp);
|
|
|
|
if (lna == INADDR_ANY) {
|
|
np = getnetbyaddr(net, AF_INET);
|
|
if (np)
|
|
cp = np->n_name;
|
|
}
|
|
if (cp == 0) {
|
|
hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
|
|
if (hp) {
|
|
cp = hp->h_name;
|
|
trimdomain(cp, strlen(cp));
|
|
}
|
|
}
|
|
}
|
|
if (inp->s_addr == INADDR_ANY)
|
|
strcpy(line, "*");
|
|
else if (cp) {
|
|
strncpy(line, cp, sizeof(line) - 1);
|
|
line[sizeof(line) - 1] = '\0';
|
|
} else {
|
|
inp->s_addr = ntohl(inp->s_addr);
|
|
#define C(x) ((u_int)((x) & 0xff))
|
|
sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24),
|
|
C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr));
|
|
}
|
|
return (line);
|
|
}
|