#include <machine/rtems-bsd-user-space.h>
#ifdef __rtems__
#include "rtems-bsd-netstat-namespace.h"
#endif /* __rtems__ */
/*-
* Copyright (c) 2013 Gleb Smirnoff <glebius@FreeBSD.org>
* Copyright (c) 1983, 1988, 1993
* The 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.
*/
#if 0
#ifndef lint
static char sccsid[] = "@(#)if.c 8.3 (Berkeley) 4/28/95";
#endif /* not lint */
#endif
#ifdef __rtems__
#include <machine/rtems-bsd-program.h>
#endif /* __rtems__ */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <rtems/bsd/sys/param.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/time.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/ethernet.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
#include <arpa/inet.h>
#ifdef PF
#include <net/pfvar.h>
#include <net/if_pfsync.h>
#endif
#include <err.h>
#include <errno.h>
#include <ifaddrs.h>
#include <libutil.h>
#ifdef INET6
#include <netdb.h>
#endif
#include <signal.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
#include <libxo/xo.h>
#include "netstat.h"
#ifdef __rtems__
#include "rtems-bsd-netstat-if-data.h"
#endif /* __rtems__ */
static void sidewaysintpr(void);
#ifdef PF
static const char* pfsyncacts[] = {
/* PFSYNC_ACT_CLR */ "clear all request",
/* PFSYNC_ACT_INS */ "state insert",
/* PFSYNC_ACT_INS_ACK */ "state inserted ack",
/* PFSYNC_ACT_UPD */ "state update",
/* PFSYNC_ACT_UPD_C */ "compressed state update",
/* PFSYNC_ACT_UPD_REQ */ "uncompressed state request",
/* PFSYNC_ACT_DEL */ "state delete",
/* PFSYNC_ACT_DEL_C */ "compressed state delete",
/* PFSYNC_ACT_INS_F */ "fragment insert",
/* PFSYNC_ACT_DEL_F */ "fragment delete",
/* PFSYNC_ACT_BUS */ "bulk update mark",
/* PFSYNC_ACT_TDB */ "TDB replay counter update",
/* PFSYNC_ACT_EOF */ "end of frame mark",
};
static const char* pfsyncacts_name[] = {
/* PFSYNC_ACT_CLR */ "clear-all-request",
/* PFSYNC_ACT_INS */ "state-insert",
/* PFSYNC_ACT_INS_ACK */ "state-inserted-ack",
/* PFSYNC_ACT_UPD */ "state-update",
/* PFSYNC_ACT_UPD_C */ "compressed-state-update",
/* PFSYNC_ACT_UPD_REQ */ "uncompressed-state-request",
/* PFSYNC_ACT_DEL */ "state-delete",
/* PFSYNC_ACT_DEL_C */ "compressed-state-delete",
/* PFSYNC_ACT_INS_F */ "fragment-insert",
/* PFSYNC_ACT_DEL_F */ "fragment-delete",
/* PFSYNC_ACT_BUS */ "bulk-update-mark",
/* PFSYNC_ACT_TDB */ "TDB-replay-counter-update",
/* PFSYNC_ACT_EOF */ "end-of-frame-mark",
};
static void
pfsync_acts_stats(const char *list, const char *desc, uint64_t *a)
{
int i;
xo_open_list(list);
for (i = 0; i < PFSYNC_ACT_MAX; i++, a++) {
if (*a || sflag <= 1) {
xo_open_instance(list);
xo_emit("\t\t{e:name}{:count/%ju} {N:/%s%s %s}\n",
pfsyncacts_name[i], (uintmax_t)(*a),
pfsyncacts[i], plural(*a), desc);
xo_close_instance(list);
}
}
xo_close_list(list);
}
/*
* Dump pfsync statistics structure.
*/
void
pfsync_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
{
struct pfsyncstats pfsyncstat;
if (fetch_stats("net.pfsync.stats", off, &pfsyncstat,
sizeof(pfsyncstat), kread) != 0)
return;
xo_emit("{T:/%s}:\n", name);
xo_open_container(name);
#define p(f, m) if (pfsyncstat.f || sflag <= 1) \
xo_emit(m, (uintmax_t)pfsyncstat.f, plural(pfsyncstat.f))
p(pfsyncs_ipackets, "\t{:received-inet-packets/%ju} "
"{N:/packet%s received (IPv4)}\n");
p(pfsyncs_ipackets6, "\t{:received-inet6-packets/%ju} "
"{N:/packet%s received (IPv6)}\n");
pfsync_acts_stats("input-histogram", "received",
&pfsyncstat.pfsyncs_iacts[0]);
p(pfsyncs_badif, "\t\t/{:dropped-bad-interface/%ju} "
"{N:/packet%s discarded for bad interface}\n");
p(pfsyncs_badttl, "\t\t{:dropped-bad-ttl/%ju} "
"{N:/packet%s discarded for bad ttl}\n");
p(pfsyncs_hdrops, "\t\t{:dropped-short-header/%ju} "
"{N:/packet%s shorter than header}\n");
p(pfsyncs_badver, "\t\t{:dropped-bad-version/%ju} "
"{N:/packet%s discarded for bad version}\n");
p(pfsyncs_badauth, "\t\t{:dropped-bad-auth/%ju} "
"{N:/packet%s discarded for bad HMAC}\n");
p(pfsyncs_badact,"\t\t{:dropped-bad-action/%ju} "
"{N:/packet%s discarded for bad action}\n");
p(pfsyncs_badlen, "\t\t{:dropped-short/%ju} "
"{N:/packet%s discarded for short packet}\n");
p(pfsyncs_badval, "\t\t{:dropped-bad-values/%ju} "
"{N:/state%s discarded for bad values}\n");
p(pfsyncs_stale, "\t\t{:dropped-stale-state/%ju} "
"{N:/stale state%s}\n");
p(pfsyncs_badstate, "\t\t{:dropped-failed-lookup/%ju} "
"{N:/failed state lookup\\/insert%s}\n");
p(pfsyncs_opackets, "\t{:sent-inet-packets/%ju} "
"{N:/packet%s sent (IPv4})\n");
p(pfsyncs_opackets6, "\t{:send-inet6-packets/%ju} "
"{N:/packet%s sent (IPv6})\n");
pfsync_acts_stats("output-histogram", "sent",
&pfsyncstat.pfsyncs_oacts[0]);
p(pfsyncs_onomem, "\t\t{:discarded-no-memory/%ju} "
"{N:/failure%s due to mbuf memory error}\n");
p(pfsyncs_oerrors, "\t\t{:send-errors/%ju} "
"{N:/send error%s}\n");
#undef p
xo_close_container(name);
}
#endif /* PF */
/*
* Display a formatted value, or a '-' in the same space.
*/
static void
show_stat(const char *fmt, int width, const char *name,
u_long value, short showvalue, int div1000)
{
const char *lsep, *rsep;
char newfmt[64];
lsep = "";
if (strncmp(fmt, "LS", 2) == 0) {
lsep = " ";
fmt += 2;
}
rsep = " ";
if (strncmp(fmt, "NRS", 3) == 0) {
rsep = "";
fmt += 3;
}
if (showvalue == 0) {
/* Print just dash. */
xo_emit("{P:/%s}{D:/%*s}{P:/%s}", lsep, width, "-", rsep);
return;
}
/*
* XXX: workaround {P:} modifier can't be empty and doesn't seem to
* take args... so we need to conditionally include it in the format.
*/
#define maybe_pad(pad) do { \
if (strlen(pad)) { \
snprintf(newfmt, sizeof(newfmt), "{P:%s}", pad); \
xo_emit(newfmt); \
} \
} while (0)
if (hflag) {
char buf[5];
/* Format in human readable form. */
humanize_number(buf, sizeof(buf), (int64_t)value, "",
HN_AUTOSCALE, HN_NOSPACE | HN_DECIMAL | \
((div1000) ? HN_DIVISOR_1000 : 0));
maybe_pad(lsep);
snprintf(newfmt, sizeof(newfmt), "{:%s/%%%ds}", name, width);
xo_emit(newfmt, buf);
maybe_pad(rsep);
} else {
/* Construct the format string. */
maybe_pad(lsep);
snprintf(newfmt, sizeof(newfmt), "{:%s/%%%d%s}",
name, width, fmt);
xo_emit(newfmt, value);
maybe_pad(rsep);
}
}
/*
* Find next multiaddr for a given interface name.
*/
static struct ifmaddrs *
next_ifma(struct ifmaddrs *ifma, const char *name, const sa_family_t family)
{
for(; ifma != NULL; ifma = ifma->ifma_next) {
struct sockaddr_dl *sdl;
sdl = (struct sockaddr_dl *)ifma->ifma_name;
if (ifma->ifma_addr->sa_family == family &&
strcmp(sdl->sdl_data, name) == 0)
break;
}
return (ifma);
}
/*
* Print a description of the network interfaces.
*/
void
intpr(void (*pfunc)(char *), int af)
{
struct ifaddrs *ifap, *ifa;
struct ifmaddrs *ifmap, *ifma;
u_int ifn_len_max = 5, ifn_len;
u_int has_ipv6 = 0, net_len = 13, addr_len = 17;
if (interval)
return sidewaysintpr();
if (getifaddrs(&ifap) != 0)
err(EX_OSERR, "getifaddrs");
if (aflag && getifmaddrs(&ifmap) != 0)
err(EX_OSERR, "getifmaddrs");
if (Wflag) {
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (interface != NULL &&
strcmp(ifa->ifa_name, interface) != 0)
continue;
if (af != AF_UNSPEC && ifa->ifa_addr->sa_family != af)
continue;
ifn_len = strlen(ifa->ifa_name);
if ((ifa->ifa_flags & IFF_UP) == 0)
++ifn_len;
ifn_len_max = MAX(ifn_len_max, ifn_len);
if (ifa->ifa_addr->sa_family == AF_INET6)
has_ipv6 = 1;
}
if (has_ipv6) {
net_len = 24;
addr_len = 39;
} else
net_len = 18;
}
xo_open_list("interface");
if (!pfunc) {
xo_emit("{T:/%-*.*s}", ifn_len_max, ifn_len_max, "Name");
xo_emit(" {T:/%5.5s} {T:/%-*.*s} {T:/%-*.*s} {T:/%8.8s} "
"{T:/%5.5s} {T:/%5.5s}",
"Mtu", net_len, net_len, "Network", addr_len, addr_len,
"Address", "Ipkts", "Ierrs", "Idrop");
if (bflag)
xo_emit(" {T:/%10.10s}","Ibytes");
xo_emit(" {T:/%8.8s} {T:/%5.5s}", "Opkts", "Oerrs");
if (bflag)
xo_emit(" {T:/%10.10s}","Obytes");
xo_emit(" {T:/%5s}", "Coll");
if (dflag)
xo_emit(" {T:/%5.5s}", "Drop");
xo_emit("\n");
}
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
bool network = false, link = false;
char *name, *xname, buf[IFNAMSIZ+1];
const char *nn, *rn;
if (interface != NULL && strcmp(ifa->ifa_name, interface) != 0)
continue;
name = ifa->ifa_name;
if (pfunc) {
(*pfunc)(name);
/*
* Skip all ifaddrs belonging to same interface.
*/
while(ifa->ifa_next != NULL &&
(strcmp(ifa->ifa_next->ifa_name, name) == 0)) {
ifa = ifa->ifa_next;
}
continue;
}
if (af != AF_UNSPEC && ifa->ifa_addr->sa_family != af)
continue;
xo_open_instance("interface");
if ((ifa->ifa_flags & IFF_UP) == 0) {
xname = stpcpy(buf, name);
*xname++ = '*';
*xname = '\0';
xname = buf;
} else
xname = name;
xo_emit("{d:/%-*.*s}{etk:name}{eq:flags/0x%x}",
ifn_len_max, ifn_len_max, xname, name, ifa->ifa_flags);
#define IFA_MTU(ifa) (((struct if_data *)(ifa)->ifa_data)->ifi_mtu)
show_stat("lu", 6, "mtu", IFA_MTU(ifa), IFA_MTU(ifa), 0);
#undef IFA_MTU
switch (ifa->ifa_addr->sa_family) {
case AF_UNSPEC:
xo_emit("{:network/%-*.*s} ", net_len, net_len,
"none");
xo_emit("{:address/%-*.*s} ", addr_len, addr_len,
"none");
break;
case AF_INET:
#ifdef INET6
case AF_INET6:
#endif /* INET6 */
nn = netname(ifa->ifa_addr, ifa->ifa_netmask);
rn = routename(ifa->ifa_addr, numeric_addr);
if (Wflag) {
xo_emit("{t:network/%-*s} ", net_len, nn);
xo_emit("{t:address/%-*s} ", addr_len, rn);
} else {
xo_emit("{d:network/%-*.*s}{et:network} ",
net_len, net_len, nn, nn);
xo_emit("{d:address/%-*.*s}{et:address} ",
addr_len, addr_len, rn, rn);
}
network = true;
break;
case AF_LINK:
{
struct sockaddr_dl *sdl;
char linknum[sizeof("<Link#32767>")];
sdl = (struct sockaddr_dl *)ifa->ifa_addr;
snprintf(linknum, sizeof(linknum), "<Link#%d>", sdl->sdl_index);
xo_emit("{t:network/%-*.*s} ", net_len, net_len,
linknum);
if (sdl->sdl_nlen == 0 &&
sdl->sdl_alen == 0 &&
sdl->sdl_slen == 0)
xo_emit("{P:/%*s} ", addr_len, "");
else
xo_emit("{t:address/%-*.*s} ", addr_len,
addr_len, routename(ifa->ifa_addr, 1));
link = true;
break;
}
}
#define IFA_STAT(s) (((struct if_data *)ifa->ifa_data)->ifi_ ## s)
show_stat("lu", 8, "received-packets", IFA_STAT(ipackets),
link|network, 1);
show_stat("lu", 5, "received-errors", IFA_STAT(ierrors),
link, 1);
show_stat("lu", 5, "dropped-packets", IFA_STAT(iqdrops),
link, 1);
if (bflag)
show_stat("lu", 10, "received-bytes", IFA_STAT(ibytes),
link|network, 0);
show_stat("lu", 8, "sent-packets", IFA_STAT(opackets),
link|network, 1);
show_stat("lu", 5, "send-errors", IFA_STAT(oerrors), link, 1);
if (bflag)
show_stat("lu", 10, "sent-bytes", IFA_STAT(obytes),
link|network, 0);
show_stat("NRSlu", 5, "collisions", IFA_STAT(collisions),
link, 1);
if (dflag)
show_stat("LSlu", 5, "dropped-packets",
IFA_STAT(oqdrops), link, 1);
xo_emit("\n");
if (!aflag) {
xo_close_instance("interface");
continue;
}
/*
* Print family's multicast addresses.
*/
xo_open_list("multicast-address");
for (ifma = next_ifma(ifmap, ifa->ifa_name,
ifa->ifa_addr->sa_family);
ifma != NULL;
ifma = next_ifma(ifma, ifa->ifa_name,
ifa->ifa_addr->sa_family)) {
const char *fmt = NULL;
xo_open_instance("multicast-address");
switch (ifma->ifma_addr->sa_family) {
case AF_LINK:
{
struct sockaddr_dl *sdl;
sdl = (struct sockaddr_dl *)ifma->ifma_addr;
if (sdl->sdl_type != IFT_ETHER &&
sdl->sdl_type != IFT_FDDI)
break;
}
/* FALLTHROUGH */
case AF_INET:
#ifdef INET6
case AF_INET6:
#endif /* INET6 */
fmt = routename(ifma->ifma_addr, numeric_addr);
break;
}
if (fmt) {
if (Wflag)
xo_emit("{P:/%27s }"
"{t:address/%-17s/}", "", fmt);
else
xo_emit("{P:/%25s }"
"{t:address/%-17.17s/}", "", fmt);
if (ifma->ifma_addr->sa_family == AF_LINK) {
xo_emit(" {:received-packets/%8lu}",
IFA_STAT(imcasts));
xo_emit("{P:/%*s}", bflag? 17 : 6, "");
xo_emit(" {:sent-packets/%8lu}",
IFA_STAT(omcasts));
}
xo_emit("\n");
}
xo_close_instance("multicast-address");
ifma = ifma->ifma_next;
}
xo_close_list("multicast-address");
xo_close_instance("interface");
}
xo_close_list("interface");
freeifaddrs(ifap);
if (aflag)
freeifmaddrs(ifmap);
}
struct iftot {
u_long ift_ip; /* input packets */
u_long ift_ie; /* input errors */
u_long ift_id; /* input drops */
u_long ift_op; /* output packets */
u_long ift_oe; /* output errors */
u_long ift_od; /* output drops */
u_long ift_co; /* collisions */
u_long ift_ib; /* input bytes */
u_long ift_ob; /* output bytes */
};
/*
* Obtain stats for interface(s).
*/
static void
fill_iftot(struct iftot *st)
{
struct ifaddrs *ifap, *ifa;
bool found = false;
if (getifaddrs(&ifap) != 0)
xo_err(EX_OSERR, "getifaddrs");
bzero(st, sizeof(*st));
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr->sa_family != AF_LINK)
continue;
if (interface) {
if (strcmp(ifa->ifa_name, interface) == 0)
found = true;
else
continue;
}
st->ift_ip += IFA_STAT(ipackets);
st->ift_ie += IFA_STAT(ierrors);
st->ift_id += IFA_STAT(iqdrops);
st->ift_ib += IFA_STAT(ibytes);
st->ift_op += IFA_STAT(opackets);
st->ift_oe += IFA_STAT(oerrors);
st->ift_od += IFA_STAT(oqdrops);
st->ift_ob += IFA_STAT(obytes);
st->ift_co += IFA_STAT(collisions);
}
if (interface && found == false)
xo_err(EX_DATAERR, "interface %s not found", interface);
freeifaddrs(ifap);
}
/*
* Set a flag to indicate that a signal from the periodic itimer has been
* caught.
*/
static sig_atomic_t signalled;
static void
catchalarm(int signo __unused)
{
signalled = true;
}
/*
* Print a running summary of interface statistics.
* Repeat display every interval seconds, showing statistics
* collected over that interval. Assumes that interval is non-zero.
* First line printed at top of screen is always cumulative.
*/
static void
sidewaysintpr(void)
{
struct iftot ift[2], *new, *old;
struct itimerval interval_it;
int oldmask, line;
new = &ift[0];
old = &ift[1];
fill_iftot(old);
(void)signal(SIGALRM, catchalarm);
signalled = false;
interval_it.it_interval.tv_sec = interval;
interval_it.it_interval.tv_usec = 0;
interval_it.it_value = interval_it.it_interval;
setitimer(ITIMER_REAL, &interval_it, NULL);
xo_open_list("interface-statistics");
banner:
xo_emit("{T:/%17s} {T:/%14s} {T:/%16s}\n", "input",
interface != NULL ? interface : "(Total)", "output");
xo_emit("{T:/%10s} {T:/%5s} {T:/%5s} {T:/%10s} {T:/%10s} {T:/%5s} "
"{T:/%10s} {T:/%5s}",
"packets", "errs", "idrops", "bytes", "packets", "errs", "bytes",
"colls");
if (dflag)
xo_emit(" {T:/%5.5s}", "drops");
xo_emit("\n");
xo_flush();
line = 0;
loop:
if ((noutputs != 0) && (--noutputs == 0)) {
xo_close_list("interface-statistics");
return;
}
#ifdef __rtems__
{
sigset_t oldmask, desired, empty;
sigemptyset(&empty);
sigemptyset(&desired);
sigaddset(&desired, SIGALRM);
sigprocmask(SIG_BLOCK, &desired, &oldmask);
while (!signalled)
sigsuspend(&desired);
signalled = false;
sigprocmask(SIG_SETMASK, &oldmask, NULL);
}
#else /* __rtems__ */
oldmask = sigblock(sigmask(SIGALRM));
while (!signalled)
sigpause(0);
signalled = false;
sigsetmask(oldmask);
#endif /* __rtems__ */
line++;
fill_iftot(new);
xo_open_instance("stats");
show_stat("lu", 10, "received-packets",
new->ift_ip - old->ift_ip, 1, 1);
show_stat("lu", 5, "received-errors",
new->ift_ie - old->ift_ie, 1, 1);
show_stat("lu", 5, "dropped-packets",
new->ift_id - old->ift_id, 1, 1);
show_stat("lu", 10, "received-bytes",
new->ift_ib - old->ift_ib, 1, 0);
show_stat("lu", 10, "sent-packets",
new->ift_op - old->ift_op, 1, 1);
show_stat("lu", 5, "send-errors",
new->ift_oe - old->ift_oe, 1, 1);
show_stat("lu", 10, "sent-bytes",
new->ift_ob - old->ift_ob, 1, 0);
show_stat("NRSlu", 5, "collisions",
new->ift_co - old->ift_co, 1, 1);
if (dflag)
show_stat("LSlu", 5, "dropped-packets",
new->ift_od - old->ift_od, 1, 1);
xo_close_instance("stats");
xo_emit("\n");
xo_flush();
if (new == &ift[0]) {
new = &ift[1];
old = &ift[0];
} else {
new = &ift[0];
old = &ift[1];
}
if (line == 21)
goto banner;
else
goto loop;
/* NOTREACHED */
}
