735 lines
16 KiB
C
735 lines
16 KiB
C
/*
|
|
* Copyright (c) 1983, 1988, 1993
|
|
* Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
char const copyright[] =
|
|
"@(#) Copyright (c) 1983, 1988, 1993\n\
|
|
Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 3/1/94";
|
|
#endif
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/file.h>
|
|
#include <sys/protosw.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <netinet/in.h>
|
|
|
|
#include <netgraph/ng_socket.h>
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <kvm.h>
|
|
#include <limits.h>
|
|
#include <netdb.h>
|
|
#include <nlist.h>
|
|
#include <paths.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include "netstat.h"
|
|
|
|
static struct nlist nl[] = {
|
|
#define N_IFNET 0
|
|
{ "_ifnet" },
|
|
#define N_IMP 1
|
|
{ "_imp_softc" },
|
|
#define N_RTSTAT 2
|
|
{ "_rtstat" },
|
|
#define N_UNIXSW 3
|
|
{ "_localsw" },
|
|
#define N_IDP 4
|
|
{ "_nspcb"},
|
|
#define N_IDPSTAT 5
|
|
{ "_idpstat"},
|
|
#define N_SPPSTAT 6
|
|
{ "_spp_istat"},
|
|
#define N_NSERR 7
|
|
{ "_ns_errstat"},
|
|
#define N_CLNPSTAT 8
|
|
{ "_clnp_stat"},
|
|
#define IN_NOTUSED 9
|
|
{ "_tp_inpcb" },
|
|
#define ISO_TP 10
|
|
{ "_tp_refinfo" },
|
|
#define N_TPSTAT 11
|
|
{ "_tp_stat" },
|
|
#define N_ESISSTAT 12
|
|
{ "_esis_stat"},
|
|
#define N_NIMP 13
|
|
{ "_nimp"},
|
|
#define N_RTREE 14
|
|
{ "_rt_tables"},
|
|
#define N_CLTP 15
|
|
{ "_cltb"},
|
|
#define N_CLTPSTAT 16
|
|
{ "_cltpstat"},
|
|
#define N_NFILE 17
|
|
{ "_nfile" },
|
|
#define N_FILE 18
|
|
{ "_file" },
|
|
#define N_MRTSTAT 19
|
|
{ "_mrtstat" },
|
|
#define N_MFCTABLE 20
|
|
{ "_mfctable" },
|
|
#define N_VIFTABLE 21
|
|
{ "_viftable" },
|
|
#define N_IPX 22
|
|
{ "_ipxpcb"},
|
|
#define N_IPXSTAT 23
|
|
{ "_ipxstat"},
|
|
#define N_SPXSTAT 24
|
|
{ "_spx_istat"},
|
|
#define N_DDPSTAT 25
|
|
{ "_ddpstat"},
|
|
#define N_DDPCB 26
|
|
{ "_ddpcb"},
|
|
#define N_NGSOCKS 27
|
|
{ "_ngsocklist"},
|
|
#define N_IP6STAT 28
|
|
{ "_ip6stat" },
|
|
#define N_ICMP6STAT 29
|
|
{ "_icmp6stat" },
|
|
#define N_IPSECSTAT 30
|
|
{ "_ipsecstat" },
|
|
#define N_IPSEC6STAT 31
|
|
{ "_ipsec6stat" },
|
|
#define N_PIM6STAT 32
|
|
{ "_pim6stat" },
|
|
#define N_MRT6PROTO 33
|
|
{ "_ip6_mrtproto" },
|
|
#define N_MRT6STAT 34
|
|
{ "_mrt6stat" },
|
|
#define N_MF6CTABLE 35
|
|
{ "_mf6ctable" },
|
|
#define N_MIF6TABLE 36
|
|
{ "_mif6table" },
|
|
#define N_PFKEYSTAT 37
|
|
{ "_pfkeystat" },
|
|
{ "" },
|
|
};
|
|
|
|
struct protox {
|
|
u_char pr_index; /* index into nlist of cb head */
|
|
u_char pr_sindex; /* index into nlist of stat block */
|
|
u_char pr_wanted; /* 1 if wanted, 0 otherwise */
|
|
void (*pr_cblocks)(); /* control blocks printing routine */
|
|
void (*pr_stats)(); /* statistics printing routine */
|
|
void (*pr_istats)(); /* per/if statistics printing routine */
|
|
char *pr_name; /* well-known name */
|
|
int pr_usesysctl; /* true if we use sysctl, not kvm */
|
|
} protox[] = {
|
|
{ -1, -1, 1, protopr,
|
|
tcp_stats, NULL, "tcp", IPPROTO_TCP },
|
|
{ -1, -1, 1, protopr,
|
|
udp_stats, NULL, "udp", IPPROTO_UDP },
|
|
{ -1, -1, 1, protopr,
|
|
NULL, NULL, "divert",IPPROTO_DIVERT },
|
|
{ -1, -1, 1, protopr,
|
|
ip_stats, NULL, "ip", IPPROTO_RAW },
|
|
{ -1, -1, 1, protopr,
|
|
icmp_stats, NULL, "icmp", IPPROTO_ICMP },
|
|
{ -1, -1, 1, protopr,
|
|
igmp_stats, NULL, "igmp", IPPROTO_IGMP },
|
|
#ifdef IPSEC
|
|
{ -1, N_IPSECSTAT, 1, 0,
|
|
ipsec_stats, NULL, "ipsec", 0},
|
|
#endif
|
|
{ -1, -1, 1, 0,
|
|
bdg_stats, NULL, "bdg", 1 /* bridging... */ },
|
|
{ -1, -1, 0, 0,
|
|
0, NULL, 0 }
|
|
};
|
|
|
|
#ifdef INET6
|
|
struct protox ip6protox[] = {
|
|
{ -1, -1, 1, protopr,
|
|
tcp_stats, NULL, "tcp", IPPROTO_TCP },
|
|
{ -1, -1, 1, protopr,
|
|
udp_stats, NULL, "udp", IPPROTO_UDP },
|
|
{ -1, N_IP6STAT, 1, 0,
|
|
ip6_stats, ip6_ifstats, "ip6", 0 },
|
|
{ -1, N_ICMP6STAT, 1, 0,
|
|
icmp6_stats, icmp6_ifstats, "icmp6",0 },
|
|
#ifdef IPSEC
|
|
{ -1, N_IPSEC6STAT, 1, 0,
|
|
ipsec_stats, NULL, "ipsec6",0 },
|
|
#endif
|
|
#ifdef notyet
|
|
{ -1, N_PIM6STAT, 1, 0,
|
|
pim6_stats, NULL, "pim6", 0 },
|
|
#endif
|
|
{ -1, -1, 1, 0,
|
|
bdg_stats, NULL, "bdg", 1 /* bridging... */ },
|
|
{ -1, -1, 0, 0,
|
|
0, NULL, 0, 0 }
|
|
};
|
|
#endif /*INET6*/
|
|
|
|
#ifdef IPSEC
|
|
struct protox pfkeyprotox[] = {
|
|
{ -1, N_PFKEYSTAT, 1, 0,
|
|
pfkey_stats, NULL, "pfkey", 0 },
|
|
{ -1, -1, 0, 0,
|
|
0, NULL, 0, 0 }
|
|
};
|
|
#endif
|
|
|
|
struct protox atalkprotox[] = {
|
|
{ N_DDPCB, N_DDPSTAT, 1, atalkprotopr,
|
|
ddp_stats, NULL, "ddp" },
|
|
{ -1, -1, 0, 0,
|
|
0, NULL, 0 }
|
|
};
|
|
|
|
struct protox netgraphprotox[] = {
|
|
{ N_NGSOCKS, -1, 1, netgraphprotopr,
|
|
NULL, NULL, "ctrl" },
|
|
{ N_NGSOCKS, -1, 1, netgraphprotopr,
|
|
NULL, NULL, "data" },
|
|
{ -1, NULL, 0, 0,
|
|
0, NULL, 0 }
|
|
};
|
|
|
|
struct protox ipxprotox[] = {
|
|
{ N_IPX, N_IPXSTAT, 1, ipxprotopr,
|
|
ipx_stats, NULL, "ipx", 0 },
|
|
{ N_IPX, N_SPXSTAT, 1, ipxprotopr,
|
|
spx_stats, NULL, "spx", 0 },
|
|
{ -1, -1, 0, 0,
|
|
0, NULL, 0, 0 }
|
|
};
|
|
|
|
#ifdef NS
|
|
struct protox nsprotox[] = {
|
|
{ N_IDP, N_IDPSTAT, 1, nsprotopr,
|
|
idp_stats, NULL, "idp" },
|
|
{ N_IDP, N_SPPSTAT, 1, nsprotopr,
|
|
spp_stats, NULL, "spp" },
|
|
{ -1, N_NSERR, 1, 0,
|
|
nserr_stats, NULL, "ns_err" },
|
|
{ -1, -1, 0, 0,
|
|
0, NULL, 0 }
|
|
};
|
|
#endif
|
|
|
|
#ifdef ISO
|
|
struct protox isoprotox[] = {
|
|
{ ISO_TP, N_TPSTAT, 1, iso_protopr,
|
|
tp_stats, NULL, "tp" },
|
|
{ N_CLTP, N_CLTPSTAT, 1, iso_protopr,
|
|
cltp_stats, NULL, "cltp" },
|
|
{ -1, N_CLNPSTAT, 1, 0,
|
|
clnp_stats, NULL, "clnp"},
|
|
{ -1, N_ESISSTAT, 1, 0,
|
|
esis_stats, NULL, "esis"},
|
|
{ -1, -1, 0, 0,
|
|
0, NULL, 0 }
|
|
};
|
|
#endif
|
|
|
|
struct protox *protoprotox[] = {
|
|
protox,
|
|
#ifdef INET6
|
|
ip6protox,
|
|
#endif
|
|
#ifdef IPSEC
|
|
pfkeyprotox,
|
|
#endif
|
|
ipxprotox, atalkprotox,
|
|
#ifdef NS
|
|
nsprotox,
|
|
#endif
|
|
#ifdef ISO
|
|
isoprotox,
|
|
#endif
|
|
NULL };
|
|
|
|
static void printproto __P((struct protox *, char *));
|
|
static void usage __P((void));
|
|
static struct protox *name2protox __P((char *));
|
|
static struct protox *knownname __P((char *));
|
|
|
|
static kvm_t *kvmd;
|
|
char *nlistf = NULL, *memf = NULL;
|
|
|
|
int
|
|
main(argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
register struct protox *tp = NULL; /* for printing cblocks & stats */
|
|
int ch;
|
|
|
|
af = AF_UNSPEC;
|
|
|
|
while ((ch = getopt(argc, argv, "Aabdf:ghI:lLiM:mN:np:rstuw:")) != -1)
|
|
switch(ch) {
|
|
case 'A':
|
|
Aflag = 1;
|
|
break;
|
|
case 'a':
|
|
aflag = 1;
|
|
break;
|
|
case 'b':
|
|
bflag = 1;
|
|
break;
|
|
case 'd':
|
|
dflag = 1;
|
|
break;
|
|
case 'f':
|
|
#ifdef NS
|
|
if (strcmp(optarg, "ns") == 0)
|
|
af = AF_NS;
|
|
else
|
|
#endif
|
|
if (strcmp(optarg, "ipx") == 0)
|
|
af = AF_IPX;
|
|
else if (strcmp(optarg, "inet") == 0)
|
|
af = AF_INET;
|
|
#ifdef INET6
|
|
else if (strcmp(optarg, "inet6") == 0)
|
|
af = AF_INET6;
|
|
#endif /*INET6*/
|
|
#ifdef INET6
|
|
else if (strcmp(optarg, "pfkey") == 0)
|
|
af = PF_KEY;
|
|
#endif /*INET6*/
|
|
else if (strcmp(optarg, "unix") == 0)
|
|
af = AF_UNIX;
|
|
else if (strcmp(optarg, "atalk") == 0)
|
|
af = AF_APPLETALK;
|
|
else if (strcmp(optarg, "ng") == 0
|
|
|| strcmp(optarg, "netgraph") == 0)
|
|
af = AF_NETGRAPH;
|
|
#ifdef ISO
|
|
else if (strcmp(optarg, "iso") == 0)
|
|
af = AF_ISO;
|
|
#endif
|
|
else {
|
|
errx(1, "%s: unknown address family", optarg);
|
|
}
|
|
break;
|
|
case 'g':
|
|
gflag = 1;
|
|
break;
|
|
case 'I': {
|
|
char *cp;
|
|
|
|
iflag = 1;
|
|
for (cp = interface = optarg; isalpha(*cp); cp++)
|
|
continue;
|
|
unit = atoi(cp);
|
|
break;
|
|
}
|
|
case 'i':
|
|
iflag = 1;
|
|
break;
|
|
case 'l':
|
|
lflag = 1;
|
|
break;
|
|
case 'L':
|
|
Lflag = 1;
|
|
break;
|
|
case 'M':
|
|
memf = optarg;
|
|
break;
|
|
case 'm':
|
|
mflag = 1;
|
|
break;
|
|
case 'N':
|
|
nlistf = optarg;
|
|
break;
|
|
case 'n':
|
|
nflag = 1;
|
|
break;
|
|
case 'p':
|
|
if ((tp = name2protox(optarg)) == NULL) {
|
|
errx(1,
|
|
"%s: unknown or uninstrumented protocol",
|
|
optarg);
|
|
}
|
|
pflag = 1;
|
|
break;
|
|
case 'r':
|
|
rflag = 1;
|
|
break;
|
|
case 's':
|
|
++sflag;
|
|
break;
|
|
case 't':
|
|
tflag = 1;
|
|
break;
|
|
case 'u':
|
|
af = AF_UNIX;
|
|
break;
|
|
case 'w':
|
|
interval = atoi(optarg);
|
|
iflag = 1;
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
argv += optind;
|
|
argc -= optind;
|
|
|
|
#define BACKWARD_COMPATIBILITY
|
|
#ifdef BACKWARD_COMPATIBILITY
|
|
if (*argv) {
|
|
if (isdigit(**argv)) {
|
|
interval = atoi(*argv);
|
|
if (interval <= 0)
|
|
usage();
|
|
++argv;
|
|
iflag = 1;
|
|
}
|
|
if (*argv) {
|
|
nlistf = *argv;
|
|
if (*++argv)
|
|
memf = *argv;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Discard setgid privileges if not the running kernel so that bad
|
|
* guys can't print interesting stuff from kernel memory.
|
|
*/
|
|
if (nlistf != NULL || memf != NULL)
|
|
setgid(getgid());
|
|
|
|
if (mflag) {
|
|
mbpr();
|
|
exit(0);
|
|
}
|
|
if (pflag) {
|
|
if (iflag && tp->pr_istats) {
|
|
kread(0, 0, 0);
|
|
intpr(interval, nl[N_IFNET].n_value, tp->pr_istats);
|
|
exit(0);
|
|
}
|
|
if (!tp->pr_stats) {
|
|
printf("%s: no stats routine\n", tp->pr_name);
|
|
exit(0);
|
|
}
|
|
if (tp->pr_usesysctl) {
|
|
(*tp->pr_stats)(tp->pr_usesysctl, tp->pr_name);
|
|
} else {
|
|
kread(0, 0, 0);
|
|
(*tp->pr_stats)(nl[tp->pr_sindex].n_value,
|
|
tp->pr_name);
|
|
}
|
|
exit(0);
|
|
}
|
|
#if 0
|
|
/*
|
|
* Keep file descriptors open to avoid overhead
|
|
* of open/close on each call to get* routines.
|
|
*/
|
|
sethostent(1);
|
|
setnetent(1);
|
|
#else
|
|
/*
|
|
* This does not make sense any more with DNS being default over
|
|
* the files. Doing a setXXXXent(1) causes a tcp connection to be
|
|
* used for the queries, which is slower.
|
|
*/
|
|
#endif
|
|
if (iflag) {
|
|
if (sflag && af != AF_UNSPEC)
|
|
goto protostat;
|
|
|
|
kread(0, 0, 0);
|
|
intpr(interval, nl[N_IFNET].n_value, NULL);
|
|
exit(0);
|
|
}
|
|
if (rflag) {
|
|
kread(0, 0, 0);
|
|
if (sflag)
|
|
rt_stats(nl[N_RTSTAT].n_value);
|
|
else
|
|
routepr(nl[N_RTREE].n_value);
|
|
exit(0);
|
|
}
|
|
if (gflag) {
|
|
kread(0, 0, 0);
|
|
if (sflag) {
|
|
if (af == AF_INET || af == AF_UNSPEC)
|
|
mrt_stats(nl[N_MRTSTAT].n_value);
|
|
#ifdef INET6
|
|
if (af == AF_INET6 || af == AF_UNSPEC)
|
|
mrt6_stats(nl[N_MRT6STAT].n_value);
|
|
#endif
|
|
} else {
|
|
if (af == AF_INET || af == AF_UNSPEC)
|
|
mroutepr(nl[N_MFCTABLE].n_value,
|
|
nl[N_VIFTABLE].n_value);
|
|
#ifdef INET6
|
|
if (af == AF_INET6 || af == AF_UNSPEC)
|
|
mroute6pr(nl[N_MF6CTABLE].n_value,
|
|
nl[N_MIF6TABLE].n_value);
|
|
#endif
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
protostat:
|
|
kread(0, 0, 0);
|
|
if (af == AF_INET || af == AF_UNSPEC)
|
|
for (tp = protox; tp->pr_name; tp++)
|
|
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 /*INET6*/
|
|
#ifdef IPSEC
|
|
if (af == PF_KEY || af == AF_UNSPEC)
|
|
for (tp = pfkeyprotox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
#endif /*IPSEC*/
|
|
if (af == AF_IPX || af == AF_UNSPEC) {
|
|
kread(0, 0, 0);
|
|
for (tp = ipxprotox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
}
|
|
if (af == AF_APPLETALK || af == AF_UNSPEC)
|
|
for (tp = atalkprotox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
if (af == AF_NETGRAPH || af == AF_UNSPEC)
|
|
for (tp = netgraphprotox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
#ifdef NS
|
|
if (af == AF_NS || af == AF_UNSPEC)
|
|
for (tp = nsprotox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
#endif
|
|
#ifdef ISO
|
|
if (af == AF_ISO || af == AF_UNSPEC)
|
|
for (tp = isoprotox; tp->pr_name; tp++)
|
|
printproto(tp, tp->pr_name);
|
|
#endif
|
|
if ((af == AF_UNIX || af == AF_UNSPEC) && !Lflag && !sflag)
|
|
unixpr();
|
|
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)
|
|
register struct protox *tp;
|
|
char *name;
|
|
{
|
|
void (*pr)();
|
|
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 = tp->pr_usesysctl ? tp->pr_usesysctl
|
|
: nl[tp->pr_sindex].n_value;
|
|
}
|
|
} else {
|
|
pr = tp->pr_cblocks;
|
|
off = tp->pr_usesysctl ? tp->pr_usesysctl
|
|
: nl[tp->pr_index].n_value;
|
|
}
|
|
if (pr != NULL && (off || af != AF_UNSPEC))
|
|
(*pr)(off, name, af);
|
|
}
|
|
|
|
/*
|
|
* Read kernel memory, return 0 on success.
|
|
*/
|
|
int
|
|
kread(addr, buf, size)
|
|
u_long addr;
|
|
char *buf;
|
|
int size;
|
|
{
|
|
if (kvmd == 0) {
|
|
/*
|
|
* XXX.
|
|
*/
|
|
kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf);
|
|
if (kvmd != NULL) {
|
|
if (kvm_nlist(kvmd, nl) < 0) {
|
|
if(nlistf)
|
|
errx(1, "%s: kvm_nlist: %s", nlistf,
|
|
kvm_geterr(kvmd));
|
|
else
|
|
errx(1, "kvm_nlist: %s", kvm_geterr(kvmd));
|
|
}
|
|
|
|
if (nl[0].n_type == 0) {
|
|
if(nlistf)
|
|
errx(1, "%s: no namelist", nlistf);
|
|
else
|
|
errx(1, "no namelist");
|
|
}
|
|
} else {
|
|
warnx("kvm not available");
|
|
return(-1);
|
|
}
|
|
}
|
|
if (!buf)
|
|
return (0);
|
|
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" : "");
|
|
}
|
|
|
|
/*
|
|
* 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()
|
|
{
|
|
(void)fprintf(stderr, "%s\n%s\n%s\n%s\n",
|
|
"usage: netstat [-AaLln] [-f address_family] [-M core] [-N system]",
|
|
" netstat [-abdghilmnrs] [-f address_family] [-M core] [-N system]",
|
|
" netstat [-bdn] [-I interface] [-M core] [-N system] [-w wait]",
|
|
" netstat [-M core] [-N system] [-p protocol]");
|
|
exit(1);
|
|
}
|
|
|
|
void
|
|
trimdomain(cp)
|
|
char *cp;
|
|
{
|
|
static char domain[MAXHOSTNAMELEN + 1];
|
|
static int first = 1;
|
|
char *s;
|
|
|
|
if (first) {
|
|
first = 0;
|
|
if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
|
|
(s = strchr(domain, '.')))
|
|
(void) strcpy(domain, s + 1);
|
|
else
|
|
domain[0] = 0;
|
|
}
|
|
|
|
if (domain[0]) {
|
|
while ((cp = strchr(cp, '.'))) {
|
|
if (!strcasecmp(cp + 1, domain)) {
|
|
*cp = 0; /* hit it */
|
|
break;
|
|
} else {
|
|
cp++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|