848 lines
18 KiB
C
848 lines
18 KiB
C
/* $NetBSD: main.c,v 1.51 2005/09/14 15:35:26 drochner Exp $ */
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/*
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* Copyright (c) 1983, 1988, 1993
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* 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/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1983, 1988, 1993\n\
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Regents of the University of California. All rights reserved.\n");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "from: @(#)main.c 8.4 (Berkeley) 3/1/94";
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#else
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__RCSID("$NetBSD: main.c,v 1.51 2005/09/14 15:35:26 drochner Exp $");
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/file.h>
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#include <sys/protosw.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <kvm.h>
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#include <limits.h>
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#include <netdb.h>
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#include <nlist.h>
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#include <paths.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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struct nlist nl[] = {
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#define N_MBSTAT 0
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{ "_mbstat" },
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#define N_IPSTAT 1
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{ "_ipstat" },
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#define N_TCBTABLE 2
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{ "_tcbtable" },
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#define N_TCPSTAT 3
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{ "_tcpstat" },
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#define N_UDBTABLE 4
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{ "_udbtable" },
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#define N_UDPSTAT 5
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{ "_udpstat" },
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#define N_IFNET 6
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{ "_ifnet" },
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#define N_IMP 7
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{ "_imp_softc" },
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#define N_ICMPSTAT 8
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{ "_icmpstat" },
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#define N_RTSTAT 9
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{ "_rtstat" },
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#define N_UNIXSW 10
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{ "_unixsw" },
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#define N_IDP 11
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{ "_nspcb"},
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#define N_IDPSTAT 12
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{ "_idpstat"},
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#define N_SPPSTAT 13
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{ "_spp_istat"},
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#define N_NSERR 14
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{ "_ns_errstat"},
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#define N_CLNPSTAT 15
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{ "_clnp_stat"},
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#define IN_NOTUSED 16
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{ "_tp_inpcb" },
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#define ISO_TP 17
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{ "_tp_refinfo" },
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#define N_TPSTAT 18
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{ "_tp_stat" },
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#define N_ESISSTAT 19
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{ "_esis_stat"},
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#define N_NIMP 20
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{ "_nimp"},
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#define N_RTREE 21
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{ "_rt_tables"},
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#define N_CLTP 22
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{ "_cltb"},
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#define N_CLTPSTAT 23
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{ "_cltpstat"},
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#define N_NFILE 24
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{ "_nfile" },
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#define N_FILE 25
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{ "_file" },
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#define N_IGMPSTAT 26
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{ "_igmpstat" },
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#define N_MRTPROTO 27
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{ "_ip_mrtproto" },
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#define N_MRTSTAT 28
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{ "_mrtstat" },
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#define N_MFCHASHTBL 29
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{ "_mfchashtbl" },
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#define N_MFCHASH 30
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{ "_mfchash" },
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#define N_VIFTABLE 31
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{ "_viftable" },
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#define N_MSIZE 32
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{ "_msize" },
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#define N_MCLBYTES 33
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{ "_mclbytes" },
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#define N_DDPSTAT 34
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{ "_ddpstat"},
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#define N_DDPCB 35
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{ "_ddpcb"},
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#define N_MBPOOL 36
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{ "_mbpool" },
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#define N_MCLPOOL 37
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{ "_mclpool" },
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#define N_DIVPCB 38
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{ "_divcb"},
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#define N_DIVSTAT 39
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{ "_divstat"},
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#define N_IP6STAT 40
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{ "_ip6stat" },
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#define N_TCP6STAT 41
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{ "_tcp6stat" },
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#define N_UDP6STAT 42
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{ "_udp6stat" },
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#define N_ICMP6STAT 43
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{ "_icmp6stat" },
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#define N_IPSECSTAT 44
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{ "_ipsecstat" },
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#define N_IPSEC6STAT 45
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{ "_ipsec6stat" },
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#define N_PIM6STAT 46
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{ "_pim6stat" },
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#define N_MRT6PROTO 47
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{ "_ip6_mrtproto" },
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#define N_MRT6STAT 48
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{ "_mrt6stat" },
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#define N_MF6CTABLE 49
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{ "_mf6ctable" },
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#define N_MIF6TABLE 50
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{ "_mif6table" },
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#define N_PFKEYSTAT 51
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{ "_pfkeystat" },
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#define N_ARPSTAT 52
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{ "_arpstat" },
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#define N_RIP6STAT 53
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{ "_rip6stat" },
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#define N_ARPINTRQ 54
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{ "_arpintrq" },
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#define N_IPINTRQ 55
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{ "_ipintrq" },
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#define N_IP6INTRQ 56
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{ "_ip6intrq" },
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#define N_ATINTRQ1 57
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{ "_atintrq1" },
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#define N_ATINTRQ2 58
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{ "_atintrq2" },
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#define N_NSINTRQ 59
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{ "_nsintrq" },
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#define N_CLNLINTRQ 60
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{ "_clnlintrq" },
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#define N_LLCINTRQ 61
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{ "_llcintrq" },
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#define N_HDINTRQ 62
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{ "_hdintrq" },
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#define N_NATMINTRQ 63
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{ "_natmintrq" },
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#define N_PPPOEDISCINQ 64
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{ "_ppoediscinq" },
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#define N_PPPOEINQ 65
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{ "_ppoeinq" },
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#define N_PKINTRQ 66
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{ "_pkintrq" },
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#define N_HARDCLOCK_TICKS 67
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{ "_hardclock_ticks" },
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#define N_PIMSTAT 68
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{ "_pimstat" },
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{ "" },
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};
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struct protox {
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u_char pr_index; /* index into nlist of cb head */
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u_char pr_sindex; /* index into nlist of stat block */
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u_char pr_wanted; /* 1 if wanted, 0 otherwise */
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void (*pr_cblocks) /* control blocks printing routine */
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__P((u_long, char *));
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void (*pr_stats) /* statistics printing routine */
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__P((u_long, char *));
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void (*pr_istats)
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__P((char *)); /* per/if statistics printing routine */
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void (*pr_dump) /* PCB state dump routine */
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__P((u_long));
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char *pr_name; /* well-known name */
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} protox[] = {
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{ N_TCBTABLE, N_TCPSTAT, 1, protopr,
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tcp_stats, NULL, tcp_dump, "tcp" },
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{ N_UDBTABLE, N_UDPSTAT, 1, protopr,
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udp_stats, NULL, 0, "udp" },
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{ -1, N_IPSTAT, 1, 0,
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ip_stats, NULL, 0, "ip" },
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{ -1, N_ICMPSTAT, 1, 0,
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icmp_stats, NULL, 0, "icmp" },
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{ -1, N_IGMPSTAT, 1, 0,
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igmp_stats, NULL, 0, "igmp" },
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#ifdef IPSEC
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{ -1, N_IPSECSTAT, 1, 0,
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ipsec_switch, NULL, 0, "ipsec" },
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#endif
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{ -1, N_PIMSTAT, 1, 0,
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pim_stats, NULL, 0, "pim" },
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{ -1, -1, 0, 0,
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0, NULL, 0, 0 }
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};
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#ifdef INET6
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struct protox ip6protox[] = {
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{ -1, N_IP6STAT, 1, 0,
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ip6_stats, ip6_ifstats, 0, "ip6" },
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{ -1, N_ICMP6STAT, 1, 0,
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icmp6_stats, icmp6_ifstats, 0, "icmp6" },
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#ifdef TCP6
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{ N_TCBTABLE, N_TCP6STAT, 1, ip6protopr,
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tcp6_stats, NULL, tcp6_dump, "tcp6" },
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#else
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{ N_TCBTABLE, N_TCP6STAT, 1, ip6protopr,
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tcp_stats, NULL, tcp_dump, "tcp6" },
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#endif
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{ N_UDBTABLE, N_UDP6STAT, 1, ip6protopr,
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udp6_stats, NULL, 0, "udp6" },
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#ifdef IPSEC
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{ -1, N_IPSEC6STAT, 1, 0,
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ipsec_switch, NULL, 0, "ipsec6" },
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#endif
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{ -1, N_PIM6STAT, 1, 0,
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pim6_stats, NULL, 0, "pim6" },
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{ -1, N_RIP6STAT, 1, 0,
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rip6_stats, NULL, 0, "rip6" },
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{ -1, -1, 0, 0,
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0, NULL, 0, 0 }
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};
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#endif
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struct protox arpprotox[] = {
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{ -1, N_ARPSTAT, 1, 0,
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arp_stats, NULL, 0, "arp" },
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{ -1, -1, 0, 0,
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0, NULL, 0, 0 }
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};
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#ifdef IPSEC
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struct protox pfkeyprotox[] = {
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{ -1, N_PFKEYSTAT, 1, 0,
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pfkey_stats, NULL, 0, "pfkey" },
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{ -1, -1, 0, 0,
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0, NULL, 0, 0 }
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};
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#endif
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#ifndef SMALL
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struct protox atalkprotox[] = {
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{ N_DDPCB, N_DDPSTAT, 1, atalkprotopr,
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ddp_stats, NULL, 0, "ddp" },
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{ -1, -1, 0, 0,
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0, NULL, 0 }
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};
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struct protox nsprotox[] = {
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{ N_IDP, N_IDPSTAT, 1, nsprotopr,
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idp_stats, NULL, 0, "idp" },
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{ N_IDP, N_SPPSTAT, 1, nsprotopr,
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spp_stats, NULL, 0, "spp" },
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{ -1, N_NSERR, 1, 0,
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nserr_stats, NULL, 0, "ns_err" },
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{ -1, -1, 0, 0,
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0, NULL, 0 }
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};
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struct protox isoprotox[] = {
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{ ISO_TP, N_TPSTAT, 1, iso_protopr,
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tp_stats, NULL, 0, "tp" },
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{ N_CLTP, N_CLTPSTAT, 1, iso_protopr,
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cltp_stats, NULL, 0, "cltp" },
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{ -1, N_CLNPSTAT, 1, 0,
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clnp_stats, NULL, 0, "clnp"},
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{ -1, N_ESISSTAT, 1, 0,
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esis_stats, NULL, 0, "esis"},
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{ -1, -1, 0, 0,
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0, NULL, 0, 0 }
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};
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#endif
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struct protox *protoprotox[] = { protox,
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#ifdef INET6
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ip6protox,
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#endif
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arpprotox,
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#ifdef IPSEC
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pfkeyprotox,
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#endif
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#ifndef SMALL
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atalkprotox, nsprotox, isoprotox,
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#endif
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NULL };
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const struct softintrq {
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const char *siq_name;
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int siq_index;
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} softintrq[] = {
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{ "arpintrq", N_ARPINTRQ },
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{ "ipintrq", N_IPINTRQ },
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{ "ip6intrq", N_IP6INTRQ },
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{ "atintrq1", N_ATINTRQ1 },
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{ "atintrq2", N_ATINTRQ2 },
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{ "nsintrq", N_NSINTRQ },
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{ "clnlintrq", N_CLNLINTRQ },
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{ "llcintrq", N_LLCINTRQ },
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{ "hdintrq", N_HDINTRQ },
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{ "natmintrq", N_NATMINTRQ },
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{ "ppoediscinq", N_PPPOEDISCINQ },
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{ "ppoeinq", N_PPPOEINQ },
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{ "pkintrq", N_PKINTRQ },
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{ NULL, -1 },
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};
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int main __P((int, char *[]));
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static void printproto __P((struct protox *, char *));
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static void print_softintrq __P((void));
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static void usage __P((void));
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static struct protox *name2protox __P((char *));
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static struct protox *knownname __P((char *));
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kvm_t *kvmd;
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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struct protoent *p;
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struct protox *tp; /* for printing cblocks & stats */
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int ch;
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char *nlistf = NULL, *memf = NULL;
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char buf[_POSIX2_LINE_MAX], *cp;
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u_long pcbaddr;
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gid_t egid = getegid();
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(void)setegid(getgid());
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tp = NULL;
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af = AF_UNSPEC;
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pcbaddr = 0;
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while ((ch = getopt(argc, argv,
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"AabBdf:ghI:LliM:mN:nP:p:qrsStuvw:")) != -1)
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switch (ch) {
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case 'A':
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Aflag = 1;
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break;
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case 'a':
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aflag = 1;
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break;
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case 'b':
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bflag = 1;
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break;
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case 'B':
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Bflag = 1;
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break;
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case 'd':
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dflag = 1;
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break;
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case 'f':
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if (strcmp(optarg, "ns") == 0)
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af = AF_NS;
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else if (strcmp(optarg, "inet") == 0)
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af = AF_INET;
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else if (strcmp(optarg, "inet6") == 0)
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af = AF_INET6;
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else if (strcmp(optarg, "arp") == 0)
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af = AF_ARP;
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else if (strcmp(optarg, "pfkey") == 0)
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af = PF_KEY;
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else if (strcmp(optarg, "unix") == 0
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|| strcmp(optarg, "local") == 0)
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af = AF_LOCAL;
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else if (strcmp(optarg, "iso") == 0)
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af = AF_ISO;
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else if (strcmp(optarg, "atalk") == 0)
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af = AF_APPLETALK;
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else
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errx(1, "%s: unknown address family",
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optarg);
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break;
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#ifndef SMALL
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case 'g':
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gflag = 1;
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break;
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#endif
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case 'I':
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iflag = 1;
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interface = optarg;
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break;
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case 'i':
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iflag = 1;
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break;
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case 'L':
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Lflag = 1;
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break;
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case 'l':
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lflag = 1;
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break;
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case 'M':
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memf = optarg;
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break;
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case 'm':
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mflag = 1;
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break;
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case 'N':
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nlistf = optarg;
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break;
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case 'n':
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numeric_addr = numeric_port = 1;
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break;
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case 'P':
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errno = 0;
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pcbaddr = strtoul(optarg, &cp, 16);
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if (*cp != '\0' || errno == ERANGE)
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errx(1, "invalid PCB address %s",
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optarg);
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Pflag = 1;
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break;
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case 'p':
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if ((tp = name2protox(optarg)) == NULL)
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errx(1, "%s: unknown or uninstrumented protocol",
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optarg);
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pflag = 1;
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break;
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case 'q':
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qflag = 1;
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break;
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case 'r':
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rflag = 1;
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break;
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case 's':
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++sflag;
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break;
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case 'S':
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numeric_addr = 1;
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break;
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case 't':
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tflag = 1;
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break;
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case 'u':
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af = AF_LOCAL;
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break;
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case 'v':
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vflag++;
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break;
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case 'w':
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interval = atoi(optarg);
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iflag = 1;
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break;
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case '?':
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default:
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usage();
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}
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argv += optind;
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argc -= optind;
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#define BACKWARD_COMPATIBILITY
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#ifdef BACKWARD_COMPATIBILITY
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if (*argv) {
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if (isdigit((unsigned char)**argv)) {
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interval = atoi(*argv);
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if (interval <= 0)
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usage();
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++argv;
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iflag = 1;
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}
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if (*argv) {
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nlistf = *argv;
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if (*++argv)
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memf = *argv;
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}
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}
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#endif
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/*
|
|
* Discard setgid privileges. If not the running kernel, we toss
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* them away totally so that bad guys can't print interesting stuff
|
|
* from kernel memory, otherwise switch back to kmem for the
|
|
* duration of the kvm_openfiles() call.
|
|
*/
|
|
if (nlistf != NULL || memf != NULL || Pflag)
|
|
(void)setgid(getgid());
|
|
else
|
|
(void)setegid(egid);
|
|
|
|
use_sysctl = (nlistf == NULL && memf == NULL);
|
|
|
|
if ((kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY,
|
|
buf)) == NULL)
|
|
errx(1, "%s", buf);
|
|
|
|
/* do this now anyway */
|
|
if (nlistf == NULL && memf == NULL)
|
|
(void)setgid(getgid());
|
|
|
|
#ifndef SMALL
|
|
if (Bflag) {
|
|
if (sflag)
|
|
bpf_stats();
|
|
else
|
|
bpf_dump(interface);
|
|
exit(0);
|
|
}
|
|
#endif
|
|
|
|
if (kvm_nlist(kvmd, nl) < 0 || nl[0].n_type == 0) {
|
|
if (nlistf)
|
|
errx(1, "%s: no namelist", nlistf);
|
|
else
|
|
errx(1, "no namelist");
|
|
}
|
|
if (mflag) {
|
|
mbpr(nl[N_MBSTAT].n_value, nl[N_MSIZE].n_value,
|
|
nl[N_MCLBYTES].n_value, nl[N_MBPOOL].n_value,
|
|
nl[N_MCLPOOL].n_value);
|
|
exit(0);
|
|
}
|
|
if (Pflag) {
|
|
if (tp == NULL) {
|
|
/* Default to TCP. */
|
|
tp = name2protox("tcp");
|
|
}
|
|
if (tp->pr_dump)
|
|
(*tp->pr_dump)(pcbaddr);
|
|
else
|
|
printf("%s: no PCB dump routine\n", tp->pr_name);
|
|
exit(0);
|
|
}
|
|
if (pflag) {
|
|
if (iflag && tp->pr_istats)
|
|
intpr(interval, nl[N_IFNET].n_value, tp->pr_istats);
|
|
else if (tp->pr_stats)
|
|
(*tp->pr_stats)(nl[tp->pr_sindex].n_value,
|
|
tp->pr_name);
|
|
else
|
|
printf("%s: no stats routine\n", tp->pr_name);
|
|
exit(0);
|
|
}
|
|
if (qflag) {
|
|
print_softintrq();
|
|
exit(0);
|
|
}
|
|
/*
|
|
* Keep file descriptors open to avoid overhead
|
|
* of open/close on each call to get* routines.
|
|
*/
|
|
sethostent(1);
|
|
setnetent(1);
|
|
if (iflag) {
|
|
if (af != AF_UNSPEC)
|
|
goto protostat;
|
|
|
|
intpr(interval, nl[N_IFNET].n_value, NULL);
|
|
exit(0);
|
|
}
|
|
if (rflag) {
|
|
if (sflag)
|
|
rt_stats(nl[N_RTSTAT].n_value);
|
|
else
|
|
routepr(nl[N_RTREE].n_value);
|
|
exit(0);
|
|
}
|
|
#ifndef SMALL
|
|
if (gflag) {
|
|
if (sflag) {
|
|
if (af == AF_INET || af == AF_UNSPEC)
|
|
mrt_stats(nl[N_MRTPROTO].n_value,
|
|
nl[N_MRTSTAT].n_value);
|
|
#ifdef INET6
|
|
if (af == AF_INET6 || af == AF_UNSPEC)
|
|
mrt6_stats(nl[N_MRT6PROTO].n_value,
|
|
nl[N_MRT6STAT].n_value);
|
|
#endif
|
|
}
|
|
else {
|
|
if (af == AF_INET || af == AF_UNSPEC)
|
|
mroutepr(nl[N_MRTPROTO].n_value,
|
|
nl[N_MFCHASHTBL].n_value,
|
|
nl[N_MFCHASH].n_value,
|
|
nl[N_VIFTABLE].n_value);
|
|
#ifdef INET6
|
|
if (af == AF_INET6 || af == AF_UNSPEC)
|
|
mroute6pr(nl[N_MRT6PROTO].n_value,
|
|
nl[N_MF6CTABLE].n_value,
|
|
nl[N_MIF6TABLE].n_value);
|
|
#endif
|
|
}
|
|
exit(0);
|
|
}
|
|
#endif
|
|
protostat:
|
|
if (af == AF_INET || af == AF_UNSPEC) {
|
|
setprotoent(1);
|
|
setservent(1);
|
|
/* ugh, this is O(MN) ... why do we do this? */
|
|
while ((p = getprotoent()) != NULL) {
|
|
for (tp = protox; tp->pr_name; tp++)
|
|
if (strcmp(tp->pr_name, p->p_name) == 0)
|
|
break;
|
|
if (tp->pr_name == 0 || tp->pr_wanted == 0)
|
|
continue;
|
|
printproto(tp, p->p_name);
|
|
tp->pr_wanted = 0;
|
|
}
|
|
endprotoent();
|
|
for (tp = protox; tp->pr_name; tp++)
|
|
if (tp->pr_wanted)
|
|
printproto(tp, tp->pr_name);
|
|
}
|
|
#ifdef INET6
|
|
if (af == AF_INET6 || af == AF_UNSPEC)
|
|
for (tp = ip6protox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
#endif
|
|
if (af == AF_ARP || af == AF_UNSPEC)
|
|
for (tp = arpprotox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
#ifdef IPSEC
|
|
if (af == PF_KEY || af == AF_UNSPEC)
|
|
for (tp = pfkeyprotox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
#endif
|
|
#ifndef SMALL
|
|
if (af == AF_APPLETALK || af == AF_UNSPEC)
|
|
for (tp = atalkprotox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
if (af == AF_NS || af == AF_UNSPEC)
|
|
for (tp = nsprotox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
if (af == AF_ISO || af == AF_UNSPEC)
|
|
for (tp = isoprotox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
if ((af == AF_LOCAL || af == AF_UNSPEC) && !sflag)
|
|
unixpr(nl[N_UNIXSW].n_value);
|
|
#endif
|
|
exit(0);
|
|
}
|
|
|
|
/*
|
|
* Print out protocol statistics or control blocks (per sflag).
|
|
* If the interface was not specifically requested, and the symbol
|
|
* is not in the namelist, ignore this one.
|
|
*/
|
|
static void
|
|
printproto(tp, name)
|
|
struct protox *tp;
|
|
char *name;
|
|
{
|
|
void (*pr) __P((u_long, char *));
|
|
u_long off;
|
|
|
|
if (sflag) {
|
|
if (iflag) {
|
|
if (tp->pr_istats)
|
|
intpr(interval, nl[N_IFNET].n_value,
|
|
tp->pr_istats);
|
|
return;
|
|
}
|
|
else {
|
|
pr = tp->pr_stats;
|
|
off = nl[tp->pr_sindex].n_value;
|
|
}
|
|
} else {
|
|
pr = tp->pr_cblocks;
|
|
off = nl[tp->pr_index].n_value;
|
|
}
|
|
if (pr != NULL && (off || af != AF_UNSPEC))
|
|
(*pr)(off, name);
|
|
}
|
|
|
|
/*
|
|
* Print softintrq status.
|
|
*/
|
|
void
|
|
print_softintrq()
|
|
{
|
|
struct ifqueue intrq, *ifq = &intrq;
|
|
const struct softintrq *siq;
|
|
u_long off;
|
|
|
|
for (siq = softintrq; siq->siq_name != NULL; siq++) {
|
|
off = nl[siq->siq_index].n_value;
|
|
if (off == 0)
|
|
continue;
|
|
|
|
kread(off, (char *)ifq, sizeof(*ifq));
|
|
printf("%s:\n", siq->siq_name);
|
|
printf("\tqueue length: %d\n", ifq->ifq_len);
|
|
printf("\tmaximum queue length: %d\n", ifq->ifq_maxlen);
|
|
printf("\tpackets dropped: %d\n", ifq->ifq_drops);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Read kernel memory, return 0 on success.
|
|
*/
|
|
int
|
|
kread(addr, buf, size)
|
|
u_long addr;
|
|
char *buf;
|
|
int size;
|
|
{
|
|
|
|
if (kvm_read(kvmd, addr, buf, size) != size) {
|
|
warnx("%s", kvm_geterr(kvmd));
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
char *
|
|
plural(n)
|
|
int n;
|
|
{
|
|
|
|
return (n != 1 ? "s" : "");
|
|
}
|
|
|
|
char *
|
|
plurales(n)
|
|
int n;
|
|
{
|
|
|
|
return (n != 1 ? "es" : "");
|
|
}
|
|
|
|
int
|
|
get_hardticks(void)
|
|
{
|
|
int hardticks;
|
|
|
|
kread(nl[N_HARDCLOCK_TICKS].n_value, (char *)&hardticks,
|
|
sizeof(hardticks));
|
|
return (hardticks);
|
|
}
|
|
|
|
/*
|
|
* Find the protox for the given "well-known" name.
|
|
*/
|
|
static struct protox *
|
|
knownname(name)
|
|
char *name;
|
|
{
|
|
struct protox **tpp, *tp;
|
|
|
|
for (tpp = protoprotox; *tpp; tpp++)
|
|
for (tp = *tpp; tp->pr_name; tp++)
|
|
if (strcmp(tp->pr_name, name) == 0)
|
|
return (tp);
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Find the protox corresponding to name.
|
|
*/
|
|
static struct protox *
|
|
name2protox(name)
|
|
char *name;
|
|
{
|
|
struct protox *tp;
|
|
char **alias; /* alias from p->aliases */
|
|
struct protoent *p;
|
|
|
|
/*
|
|
* Try to find the name in the list of "well-known" names. If that
|
|
* fails, check if name is an alias for an Internet protocol.
|
|
*/
|
|
if ((tp = knownname(name)) != NULL)
|
|
return (tp);
|
|
|
|
setprotoent(1); /* make protocol lookup cheaper */
|
|
while ((p = getprotoent()) != NULL) {
|
|
/* assert: name not same as p->name */
|
|
for (alias = p->p_aliases; *alias; alias++)
|
|
if (strcmp(name, *alias) == 0) {
|
|
endprotoent();
|
|
return (knownname(p->p_name));
|
|
}
|
|
}
|
|
endprotoent();
|
|
return (NULL);
|
|
}
|
|
|
|
static void
|
|
usage()
|
|
{
|
|
const char *progname = getprogname();
|
|
|
|
(void)fprintf(stderr,
|
|
"usage: %s [-Aan] [-f address_family] [-M core] [-N system]\n", progname);
|
|
(void)fprintf(stderr,
|
|
" %s [-bdgiLmnqrsSv] [-f address_family] [-M core] [-N system]\n",
|
|
progname);
|
|
(void)fprintf(stderr,
|
|
" %s [-dn] [-I interface] [-M core] [-N system] [-w wait]\n", progname);
|
|
(void)fprintf(stderr,
|
|
" %s [-p protocol] [-M core] [-N system]\n", progname);
|
|
(void)fprintf(stderr,
|
|
" %s [-p protocol] [-M core] [-N system] -P pcbaddr\n", progname);
|
|
(void)fprintf(stderr,
|
|
" %s [-p protocol] [-i] [-I Interface] \n", progname);
|
|
(void)fprintf(stderr,
|
|
" %s [-s] [-f address_family] [-i] [-I Interface]\n", progname);
|
|
(void)fprintf(stderr,
|
|
" %s [-s] [-B] [-I interface]\n", progname);
|
|
exit(1);
|
|
}
|