rtems/rtems-libbsd
1
0
Fork 0
mirror of https://git.rtems.org/rtems-libbsd/ synced 2025-05-13 16:59:44 +08:00
Code Issues Packages Projects Releases Wiki Activity
rtems-libbsd/freebsd/usr.bin/netstat/main.c
Christian Mauderer fef6dd1def freebsd: Don't use new wrappers for old ports. 
Some of the commands have been adapted manually. So the wrapper
currently don't necessarily work as expected. For example ifconfig calls
malloc outside of the program call.
2016-08-03 14:13:18 +02:00

935 lines
22 KiB
C
Raw Blame History

#include <machine/rtems-bsd-user-space.h>
/*-
* 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.
* 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 */
#if 0
#ifndef lint
static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 3/1/94";
#endif /* not lint */
#endif
#ifdef __rtems__
#define __need_getopt_newlib
#include <getopt.h>
#define RTEMS_BSD_PROGRAM_NO_OPEN_WRAP
#define RTEMS_BSD_PROGRAM_NO_SOCKET_WRAP
#define RTEMS_BSD_PROGRAM_NO_CLOSE_WRAP
#define RTEMS_BSD_PROGRAM_NO_FOPEN_WRAP
#define RTEMS_BSD_PROGRAM_NO_FCLOSE_WRAP
#define RTEMS_BSD_PROGRAM_NO_MALLOC_WRAP
#define RTEMS_BSD_PROGRAM_NO_CALLOC_WRAP
#define RTEMS_BSD_PROGRAM_NO_REALLOC_WRAP
#define RTEMS_BSD_PROGRAM_NO_FREE_WRAP
#include <machine/rtems-bsd-program.h>
#include <machine/rtems-bsd-commands.h>
#endif /* __rtems__ */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <rtems/bsd/sys/param.h>
#include <sys/file.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <netinet/in.h>
#ifdef NETGRAPH
#include <netgraph/ng_socket.h>
#endif
#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 <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "netstat.h"
static struct nlist nl[] = {
#define N_IFNET 0
{ .n_name = "_ifnet" },
#define N_RTSTAT 1
{ .n_name = "_rtstat" },
#define N_RTREE 2
{ .n_name = "_rt_tables"},
#define N_MRTSTAT 3
{ .n_name = "_mrtstat" },
#define N_MFCHASHTBL 4
{ .n_name = "_mfchashtbl" },
#define N_VIFTABLE 5
{ .n_name = "_viftable" },
#define N_IPX 6
{ .n_name = "_ipxpcb_list"},
#define N_IPXSTAT 7
{ .n_name = "_ipxstat"},
#define N_SPXSTAT 8
{ .n_name = "_spx_istat"},
#define N_DDPSTAT 9
{ .n_name = "_ddpstat"},
#define N_DDPCB 10
{ .n_name = "_ddpcb"},
#define N_NGSOCKS 11
{ .n_name = "_ngsocklist"},
#define N_IP6STAT 12
{ .n_name = "_ip6stat" },
#define N_ICMP6STAT 13
{ .n_name = "_icmp6stat" },
#define N_IPSECSTAT 14
{ .n_name = "_ipsec4stat" },
#define N_IPSEC6STAT 15
{ .n_name = "_ipsec6stat" },
#define N_PIM6STAT 16
{ .n_name = "_pim6stat" },
#define N_MRT6STAT 17
{ .n_name = "_mrt6stat" },
#define N_MF6CTABLE 18
{ .n_name = "_mf6ctable" },
#define N_MIF6TABLE 19
{ .n_name = "_mif6table" },
#define N_PFKEYSTAT 20
{ .n_name = "_pfkeystat" },
#define N_MBSTAT 21
{ .n_name = "_mbstat" },
#define N_MBTYPES 22
{ .n_name = "_mbtypes" },
#define N_NMBCLUSTERS 23
{ .n_name = "_nmbclusters" },
#define N_NMBUFS 24
{ .n_name = "_nmbufs" },
#define N_MBHI 25
{ .n_name = "_mbuf_hiwm" },
#define N_CLHI 26
{ .n_name = "_clust_hiwm" },
#define N_NCPUS 27
{ .n_name = "_smp_cpus" },
#define N_PAGESZ 28
{ .n_name = "_pagesize" },
#define N_MBPSTAT 29
{ .n_name = "_mb_statpcpu" },
#define N_RTTRASH 30
{ .n_name = "_rttrash" },
#define N_MBLO 31
{ .n_name = "_mbuf_lowm" },
#define N_CLLO 32
{ .n_name = "_clust_lowm" },
#define N_CARPSTAT 33
{ .n_name = "_carpstats" },
#define N_PFSYNCSTAT 34
{ .n_name = "_pfsyncstats" },
#define N_AHSTAT 35
{ .n_name = "_ahstat" },
#define N_ESPSTAT 36
{ .n_name = "_espstat" },
#define N_IPCOMPSTAT 37
{ .n_name = "_ipcompstat" },
#define N_TCPSTAT 38
{ .n_name = "_tcpstat" },
#define N_UDPSTAT 39
{ .n_name = "_udpstat" },
#define N_IPSTAT 40
{ .n_name = "_ipstat" },
#define N_ICMPSTAT 41
{ .n_name = "_icmpstat" },
#define N_IGMPSTAT 42
{ .n_name = "_igmpstat" },
#define N_PIMSTAT 43
{ .n_name = "_pimstat" },
#define N_TCBINFO 44
{ .n_name = "_tcbinfo" },
#define N_UDBINFO 45
{ .n_name = "_udbinfo" },
#define N_DIVCBINFO 46
{ .n_name = "_divcbinfo" },
#define N_RIPCBINFO 47
{ .n_name = "_ripcbinfo" },
#define N_UNP_COUNT 48
{ .n_name = "_unp_count" },
#define N_UNP_GENCNT 49
{ .n_name = "_unp_gencnt" },
#define N_UNP_DHEAD 50
{ .n_name = "_unp_dhead" },
#define N_UNP_SHEAD 51
{ .n_name = "_unp_shead" },
#define N_RIP6STAT 52
{ .n_name = "_rip6stat" },
#define N_SCTPSTAT 53
{ .n_name = "_sctpstat" },
#define N_MFCTABLESIZE 54
{ .n_name = "_mfctablesize" },
#define N_ARPSTAT 55
{ .n_name = "_arpstat" },
#define N_UNP_SPHEAD 56
{ .n_name = "unp_sphead" },
{ .n_name = NULL },
};
struct protox {
int pr_index; /* index into nlist of cb head */
int pr_sindex; /* index into nlist of stat block */
u_char pr_wanted; /* 1 if wanted, 0 otherwise */
void (*pr_cblocks)(u_long, const char *, int, int);
/* control blocks printing routine */
void (*pr_stats)(u_long, const char *, int, int);
/* statistics printing routine */
void (*pr_istats)(char *); /* per/if statistics printing routine */
const char *pr_name; /* well-known name */
int pr_usesysctl; /* non-zero if we use sysctl, not kvm */
int pr_protocol;
} static const protox[] = {
{ N_TCBINFO, N_TCPSTAT, 1, protopr,
tcp_stats, NULL, "tcp", 1, IPPROTO_TCP },
{ N_UDBINFO, N_UDPSTAT, 1, protopr,
udp_stats, NULL, "udp", 1, IPPROTO_UDP },
#ifdef SCTP
{ -1, N_SCTPSTAT, 1, sctp_protopr,
sctp_stats, NULL, "sctp", 1, IPPROTO_SCTP },
#endif
#ifdef SDP
{ -1, -1, 1, protopr,
NULL, NULL, "sdp", 1, IPPROTO_TCP },
#endif
{ N_DIVCBINFO, -1, 1, protopr,
NULL, NULL, "divert", 1, IPPROTO_DIVERT },
{ N_RIPCBINFO, N_IPSTAT, 1, protopr,
ip_stats, NULL, "ip", 1, IPPROTO_RAW },
{ N_RIPCBINFO, N_ICMPSTAT, 1, protopr,
icmp_stats, NULL, "icmp", 1, IPPROTO_ICMP },
{ N_RIPCBINFO, N_IGMPSTAT, 1, protopr,
igmp_stats, NULL, "igmp", 1, IPPROTO_IGMP },
#ifdef IPSEC
{ -1, N_IPSECSTAT, 1, NULL, /* keep as compat */
ipsec_stats, NULL, "ipsec", 0, 0},
{ -1, N_AHSTAT, 1, NULL,
ah_stats, NULL, "ah", 0, 0},
{ -1, N_ESPSTAT, 1, NULL,
esp_stats, NULL, "esp", 0, 0},
{ -1, N_IPCOMPSTAT, 1, NULL,
ipcomp_stats, NULL, "ipcomp", 0, 0},
#endif
{ N_RIPCBINFO, N_PIMSTAT, 1, protopr,
pim_stats, NULL, "pim", 1, IPPROTO_PIM },
{ -1, N_CARPSTAT, 1, NULL,
carp_stats, NULL, "carp", 1, 0 },
{ -1, N_PFSYNCSTAT, 1, NULL,
pfsync_stats, NULL, "pfsync", 1, 0 },
{ -1, N_ARPSTAT, 1, NULL,
arp_stats, NULL, "arp", 1, 0 },
{ -1, -1, 0, NULL,
NULL, NULL, NULL, 0, 0 }
};
#ifdef INET6
static const struct protox ip6protox[] = {
{ N_TCBINFO, N_TCPSTAT, 1, protopr,
tcp_stats, NULL, "tcp", 1, IPPROTO_TCP },
{ N_UDBINFO, N_UDPSTAT, 1, protopr,
udp_stats, NULL, "udp", 1, IPPROTO_UDP },
{ N_RIPCBINFO, N_IP6STAT, 1, protopr,
ip6_stats, ip6_ifstats, "ip6", 1, IPPROTO_RAW },
{ N_RIPCBINFO, N_ICMP6STAT, 1, protopr,
icmp6_stats, icmp6_ifstats, "icmp6", 1, IPPROTO_ICMPV6 },
#ifdef SDP
{ -1, -1, 1, protopr,
NULL, NULL, "sdp", 1, IPPROTO_TCP },
#endif
#ifdef IPSEC
{ -1, N_IPSEC6STAT, 1, NULL,
ipsec_stats, NULL, "ipsec6", 0, 0 },
#endif
#ifdef notyet
{ -1, N_PIM6STAT, 1, NULL,
pim6_stats, NULL, "pim6", 1, 0 },
#endif
{ -1, N_RIP6STAT, 1, NULL,
rip6_stats, NULL, "rip6", 1, 0 },
{ -1, -1, 0, NULL,
NULL, NULL, NULL, 0, 0 }
};
#endif /*INET6*/
#ifdef IPSEC
static const struct protox pfkeyprotox[] = {
{ -1, N_PFKEYSTAT, 1, NULL,
pfkey_stats, NULL, "pfkey", 0, 0 },
{ -1, -1, 0, NULL,
NULL, NULL, NULL, 0, 0 }
};
#endif
#ifndef __rtems__
static const struct protox atalkprotox[] = {
{ N_DDPCB, N_DDPSTAT, 1, atalkprotopr,
ddp_stats, NULL, "ddp", 0, 0 },
{ -1, -1, 0, NULL,
NULL, NULL, NULL, 0, 0 }
};
#endif
#ifdef NETGRAPH
static const struct protox netgraphprotox[] = {
{ N_NGSOCKS, -1, 1, netgraphprotopr,
NULL, NULL, "ctrl", 0, 0 },
{ N_NGSOCKS, -1, 1, netgraphprotopr,
NULL, NULL, "data", 0, 0 },
{ -1, -1, 0, NULL,
NULL, NULL, NULL, 0, 0 }
};
#endif
#ifdef IPX
static const struct protox ipxprotox[] = {
{ N_IPX, N_IPXSTAT, 1, ipxprotopr,
ipx_stats, NULL, "ipx", 0, 0 },
{ N_IPX, N_SPXSTAT, 1, ipxprotopr,
spx_stats, NULL, "spx", 0, 0 },
{ -1, -1, 0, NULL,
NULL, NULL, 0, 0, 0 }
};
#endif
static const struct protox *protoprotox[] = {
protox,
#ifdef INET6
ip6protox,
#endif
#ifdef IPSEC
pfkeyprotox,
#endif
#ifdef IPX
ipxprotox,
#endif
#ifndef __rtems__
atalkprotox, NULL };
#else
NULL };
#endif
static void printproto(const struct protox *, const char *);
static void usage(void);
static const struct protox *name2protox(const char *);
static const struct protox *knownname(const char *);
static kvm_t *kvmd;
static char *nlistf = NULL, *memf = NULL;
int Aflag; /* show addresses of protocol control block */
int aflag; /* show all sockets (including servers) */
int Bflag; /* show information about bpf consumers */
int bflag; /* show i/f total bytes in/out */
int dflag; /* show i/f dropped packets */
int gflag; /* show group (multicast) routing or stats */
int hflag; /* show counters in human readable format */
int iflag; /* show interfaces */
int Lflag; /* show size of listen queues */
int mflag; /* show memory stats */
int noutputs = 0; /* how much outputs before we exit */
int numeric_addr; /* show addresses numerically */
int numeric_port; /* show ports numerically */
static int pflag; /* show given protocol */
#ifndef __rtems__
int Qflag; /* show netisr information */
#endif /* __rtems__ */
int rflag; /* show routing tables (or routing stats) */
int sflag; /* show protocol statistics */
int Wflag; /* wide display */
int Tflag; /* TCP Information */
int xflag; /* extra information, includes all socket buffer info */
int zflag; /* zero stats */
int interval; /* repeat interval for i/f stats */
char *interface; /* desired i/f for stats, or NULL for all i/fs */
int unit; /* unit number for above */
int af; /* address family */
int live; /* true if we are examining a live system */
#ifdef __rtems__
int protopr_initialized;
int do_rtent;
struct radix_node_head **rt_tables;
static int main(int argc, char *argv[]);
int rtems_bsd_command_netstat(int argc, char *argv[])
{
int exit_code;
rtems_bsd_program_lock();
Aflag = 0;
aflag = 0;
Bflag = 0;
bflag = 0;
dflag = 0;
gflag = 0;
hflag = 0;
iflag = 0;
Lflag = 0;
mflag = 0;
noutputs = 0;
numeric_addr = 0;
numeric_port = 0;
pflag = 0;
rflag = 0;
sflag = 0;
Wflag = 0;
xflag = 0;
zflag = 0;
interval = 0;
interface = 0;
unit = 0;
af = 0;
live = 0;
protopr_initialized = 0;
do_rtent = 0;
rtems_bsd_netstat_inet_init();
exit_code = rtems_bsd_program_call_main("netstat", main, argc, argv);
free(rt_tables);
rt_tables = NULL;
rtems_bsd_program_unlock();
return exit_code;
}
#endif /* __rtems__ */
int
main(int argc, char *argv[])
{
const struct protox *tp = NULL; /* for printing cblocks & stats */
int ch;
#ifdef __rtems__
struct getopt_data getopt_data;
memset(&getopt_data, 0, sizeof(getopt_data));
#define optind getopt_data.optind
#define optarg getopt_data.optarg
#define opterr getopt_data.opterr
#define optopt getopt_data.optopt
#define getopt(argc, argv, opt) getopt_r(argc, argv, "+" opt, &getopt_data)
#endif /* __rtems__ */
af = AF_UNSPEC;
while ((ch = getopt(argc, argv, "46AaBbdf:ghI:iLlM:mN:np:Qq:rSTsuWw:xz"))
!= -1)
switch(ch) {
case '4':
#ifdef INET
af = AF_INET;
#else
errx(1, "IPv4 support is not compiled in");
#endif
break;
case '6':
#ifdef INET6
af = AF_INET6;
#else
errx(1, "IPv6 support is not compiled in");
#endif
break;
case 'A':
Aflag = 1;
break;
case 'a':
aflag = 1;
break;
case 'B':
Bflag = 1;
break;
case 'b':
bflag = 1;
break;
case 'd':
dflag = 1;
break;
case 'f':
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
#ifdef IPSEC
else if (strcmp(optarg, "pfkey") == 0)
af = PF_KEY;
#endif
else if (strcmp(optarg, "unix") == 0)
af = AF_UNIX;
else if (strcmp(optarg, "atalk") == 0)
af = AF_APPLETALK;
#ifdef NETGRAPH
else if (strcmp(optarg, "ng") == 0
|| strcmp(optarg, "netgraph") == 0)
af = AF_NETGRAPH;
#endif
else if (strcmp(optarg, "link") == 0)
af = AF_LINK;
else {
errx(1, "%s: unknown address family", optarg);
}
break;
case 'g':
gflag = 1;
break;
case 'h':
hflag = 1;
break;
case 'I': {
char *cp;
iflag = 1;
for (cp = interface = optarg; isalpha((unsigned char) *cp); cp++)
continue;
unit = atoi(cp);
break;
}
case 'i':
iflag = 1;
break;
case 'L':
Lflag = 1;
break;
case 'M':
memf = optarg;
break;
case 'm':
mflag = 1;
break;
case 'N':
nlistf = optarg;
break;
case 'n':
numeric_addr = numeric_port = 1;
break;
case 'p':
if ((tp = name2protox(optarg)) == NULL) {
errx(1,
"%s: unknown or uninstrumented protocol",
optarg);
}
pflag = 1;
break;
#ifndef __rtems__
case 'Q':
Qflag = 1;
break;
#endif /* __rtems__ */
case 'q':
noutputs = atoi(optarg);
if (noutputs != 0)
noutputs++;
break;
case 'r':
rflag = 1;
break;
case 's':
++sflag;
break;
case 'S':
numeric_addr = 1;
break;
case 'u':
af = AF_UNIX;
break;
case 'W':
case 'l':
Wflag = 1;
break;
case 'w':
interval = atoi(optarg);
iflag = 1;
break;
case 'T':
Tflag = 1;
break;
case 'x':
xflag = 1;
break;
case 'z':
zflag = 1;
break;
case '?':
default:
usage();
}
argv += optind;
argc -= optind;
#define BACKWARD_COMPATIBILITY
#ifdef BACKWARD_COMPATIBILITY
if (*argv) {
if (isdigit((unsigned char) **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.
*/
live = (nlistf == NULL && memf == NULL);
if (!live)
setgid(getgid());
if (xflag && Tflag)
errx(1, "-x and -T are incompatible, pick one.");
if (Bflag) {
if (!live)
usage();
bpf_stats(interface);
exit(0);
}
if (mflag) {
if (!live) {
if (kread(0, NULL, 0) == 0)
mbpr(kvmd, nl[N_MBSTAT].n_value);
} else
mbpr(NULL, 0);
exit(0);
}
#ifndef __rtems__
if (Qflag) {
if (!live) {
if (kread(0, NULL, 0) == 0)
netisr_stats(kvmd);
} else
netisr_stats(NULL);
exit(0);
}
#endif /* __rtems__ */
#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
kread(0, NULL, 0);
if (iflag && !sflag) {
intpr(interval, nl[N_IFNET].n_value, NULL);
exit(0);
}
if (rflag) {
if (sflag)
rt_stats(nl[N_RTSTAT].n_value, nl[N_RTTRASH].n_value);
else
routepr(nl[N_RTREE].n_value);
exit(0);
}
if (gflag) {
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_MFCHASHTBL].n_value,
nl[N_MFCTABLESIZE].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);
}
if (tp) {
printproto(tp, tp->pr_name);
exit(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*/
#ifdef IPX
if (af == AF_IPX || af == AF_UNSPEC) {
for (tp = ipxprotox; tp->pr_name; tp++)
printproto(tp, tp->pr_name);
}
#endif /* IPX */
#ifndef __rtems__
if (af == AF_APPLETALK || af == AF_UNSPEC)
for (tp = atalkprotox; tp->pr_name; tp++)
printproto(tp, tp->pr_name);
#endif
#ifdef NETGRAPH
if (af == AF_NETGRAPH || af == AF_UNSPEC)
for (tp = netgraphprotox; tp->pr_name; tp++)
printproto(tp, tp->pr_name);
#endif /* NETGRAPH */
#ifndef __rtems__
if ((af == AF_UNIX || af == AF_UNSPEC) && !sflag)
unixpr(nl[N_UNP_COUNT].n_value, nl[N_UNP_GENCNT].n_value,
nl[N_UNP_DHEAD].n_value, nl[N_UNP_SHEAD].n_value,
nl[N_UNP_SPHEAD].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)
const struct protox *tp;
const char *name;
{
void (*pr)(u_long, const char *, int, int);
u_long off;
if (sflag) {
if (iflag) {
if (tp->pr_istats)
intpr(interval, nl[N_IFNET].n_value,
tp->pr_istats);
else if (pflag)
printf("%s: no per-interface stats routine\n",
tp->pr_name);
return;
} else {
pr = tp->pr_stats;
if (!pr) {
if (pflag)
printf("%s: no stats routine\n",
tp->pr_name);
return;
}
if (tp->pr_usesysctl && live)
off = 0;
else if (tp->pr_sindex < 0) {
if (pflag)
printf(
"%s: stats routine doesn't work on cores\n",
tp->pr_name);
return;
} else
off = nl[tp->pr_sindex].n_value;
}
} else {
pr = tp->pr_cblocks;
if (!pr) {
if (pflag)
printf("%s: no PCB routine\n", tp->pr_name);
return;
}
if (tp->pr_usesysctl && live)
off = 0;
else if (tp->pr_index < 0) {
if (pflag)
printf(
"%s: PCB routine doesn't work on cores\n",
tp->pr_name);
return;
} else
off = nl[tp->pr_index].n_value;
}
if (pr != NULL && (off || (live && tp->pr_usesysctl) ||
af != AF_UNSPEC))
(*pr)(off, name, af, tp->pr_protocol);
}
/*
* Read kernel memory, return 0 on success.
*/
int
kread(u_long addr, void *buf, size_t size)
{
char errbuf[_POSIX2_LINE_MAX];
if (kvmd == NULL) {
kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
setgid(getgid());
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: %s", errbuf);
return(-1);
}
}
if (!buf)
return (0);
if (kvm_read(kvmd, addr, buf, size) != (ssize_t)size) {
warnx("%s", kvm_geterr(kvmd));
return (-1);
}
return (0);
}
const char *
plural(uintmax_t n)
{
return (n != 1 ? "s" : "");
}
const char *
plurales(uintmax_t n)
{
return (n != 1 ? "es" : "");
}
const char *
pluralies(uintmax_t n)
{
return (n != 1 ? "ies" : "y");
}
/*
* Find the protox for the given "well-known" name.
*/
static const struct protox *
knownname(const char *name)
{
const 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 const struct protox *
name2protox(const char *name)
{
const 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)
{
(void)fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
"usage: netstat [-46AaLnSTWx] [-f protocol_family | -p protocol]\n"
" [-M core] [-N system]",
" netstat -i | -I interface [-46abdhnW] [-f address_family]\n"
" [-M core] [-N system]",
" netstat -w wait [-I interface] [-46d] [-M core] [-N system] [-q howmany]",
" netstat -s [-s] [-46z] [-f protocol_family | -p protocol]\n"
" [-M core] [-N system]",
" netstat -i | -I interface [-46s] [-f protocol_family | -p protocol]\n"
" [-M core] [-N system]",
" netstat -m [-M core] [-N system]",
" netstat -B [-I interface]",
" netstat -r [-46AanW] [-f address_family] [-M core] [-N system]",
" netstat -rs [-s] [-M core] [-N system]",
" netstat -g [-46W] [-f address_family] [-M core] [-N system]",
" netstat -gs [-46s] [-f address_family] [-M core] [-N system]",
" netstat -Q");
exit(1);
}
Reference in New Issue View Git Blame Copy Permalink