#include <machine/rtems-bsd-user-space.h>
#ifdef __rtems__
#include "rtems-bsd-netstat-namespace.h"
#endif /* __rtems__ */
/*-
* 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[] = "@(#)unix.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#endif
#ifdef __rtems__
#include <machine/rtems-bsd-program.h>
#endif /* __rtems__ */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* Display protocol blocks in the unix domain.
*/
#include <rtems/bsd/sys/param.h>
#include <sys/queue.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/mbuf.h>
#include <sys/sysctl.h>
#include <sys/un.h>
#include <sys/unpcb.h>
#include <netinet/in.h>
#include <errno.h>
#include <err.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <strings.h>
#include <kvm.h>
#include <libxo/xo.h>
#include "netstat.h"
#ifdef __rtems__
#include "rtems-bsd-netstat-unix-data.h"
#endif /* __rtems__ */
static void unixdomainpr(struct xunpcb *, struct xsocket *);
static const char *const socktype[] =
{ "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
static int
pcblist_sysctl(int type, char **bufp)
{
char *buf;
size_t len;
char mibvar[sizeof "net.local.seqpacket.pcblist"];
snprintf(mibvar, sizeof(mibvar), "net.local.%s.pcblist", socktype[type]);
len = 0;
if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
if (errno != ENOENT)
xo_warn("sysctl: %s", mibvar);
return (-1);
}
if ((buf = malloc(len)) == NULL) {
xo_warnx("malloc %lu bytes", (u_long)len);
return (-2);
}
if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
xo_warn("sysctl: %s", mibvar);
free(buf);
return (-2);
}
*bufp = buf;
return (0);
}
#ifndef __rtems__
static int
pcblist_kvm(u_long count_off, u_long gencnt_off, u_long head_off, char **bufp)
{
struct unp_head head;
struct unpcb *unp, unp_conn;
u_char sun_len;
struct socket so;
struct xunpgen xug;
struct xunpcb xu;
unp_gen_t unp_gencnt;
u_int unp_count;
char *buf, *p;
size_t len;
if (count_off == 0 || gencnt_off == 0)
return (-2);
if (head_off == 0)
return (-1);
kread(count_off, &unp_count, sizeof(unp_count));
len = 2 * sizeof(xug) + (unp_count + unp_count / 8) * sizeof(xu);
if ((buf = malloc(len)) == NULL) {
xo_warnx("malloc %lu bytes", (u_long)len);
return (-2);
}
p = buf;
#define COPYOUT(obj, size) do { \
if (len < (size)) { \
xo_warnx("buffer size exceeded"); \
goto fail; \
} \
bcopy((obj), p, (size)); \
len -= (size); \
p += (size); \
} while (0)
#define KREAD(off, buf, len) do { \
if (kread((uintptr_t)(off), (buf), (len)) != 0) \
goto fail; \
} while (0)
/* Write out header. */
kread(gencnt_off, &unp_gencnt, sizeof(unp_gencnt));
xug.xug_len = sizeof xug;
xug.xug_count = unp_count;
xug.xug_gen = unp_gencnt;
xug.xug_sogen = 0;
COPYOUT(&xug, sizeof xug);
/* Walk the PCB list. */
xu.xu_len = sizeof xu;
KREAD(head_off, &head, sizeof(head));
LIST_FOREACH(unp, &head, unp_link) {
xu.xu_unpp = unp;
KREAD(unp, &xu.xu_unp, sizeof (*unp));
unp = &xu.xu_unp;
if (unp->unp_gencnt > unp_gencnt)
continue;
if (unp->unp_addr != NULL) {
KREAD(unp->unp_addr, &sun_len, sizeof(sun_len));
KREAD(unp->unp_addr, &xu.xu_addr, sun_len);
}
if (unp->unp_conn != NULL) {
KREAD(unp->unp_conn, &unp_conn, sizeof(unp_conn));
if (unp_conn.unp_addr != NULL) {
KREAD(unp_conn.unp_addr, &sun_len,
sizeof(sun_len));
KREAD(unp_conn.unp_addr, &xu.xu_caddr, sun_len);
}
}
KREAD(unp->unp_socket, &so, sizeof(so));
if (sotoxsocket(&so, &xu.xu_socket) != 0)
goto fail;
COPYOUT(&xu, sizeof(xu));
}
/* Reread the counts and write the footer. */
kread(count_off, &unp_count, sizeof(unp_count));
kread(gencnt_off, &unp_gencnt, sizeof(unp_gencnt));
xug.xug_count = unp_count;
xug.xug_gen = unp_gencnt;
COPYOUT(&xug, sizeof xug);
*bufp = buf;
return (0);
fail:
free(buf);
return (-1);
#undef COPYOUT
#undef KREAD
}
#endif /* __rtems__ */
#ifndef __rtems__
void
unixpr(u_long count_off, u_long gencnt_off, u_long dhead_off, u_long shead_off,
u_long sphead_off, bool *first)
{
char *buf;
int ret, type;
struct xsocket *so;
struct xunpgen *xug, *oxug;
struct xunpcb *xunp;
u_long head_off;
buf = NULL;
for (type = SOCK_STREAM; type <= SOCK_SEQPACKET; type++) {
if (live)
ret = pcblist_sysctl(type, &buf);
else {
head_off = 0;
switch (type) {
case SOCK_STREAM:
head_off = shead_off;
break;
case SOCK_DGRAM:
head_off = dhead_off;
break;
case SOCK_SEQPACKET:
head_off = sphead_off;
break;
}
ret = pcblist_kvm(count_off, gencnt_off, head_off,
&buf);
}
if (ret == -1)
continue;
if (ret < 0)
return;
oxug = xug = (struct xunpgen *)buf;
for (xug = (struct xunpgen *)((char *)xug + xug->xug_len);
xug->xug_len > sizeof(struct xunpgen);
xug = (struct xunpgen *)((char *)xug + xug->xug_len)) {
xunp = (struct xunpcb *)xug;
so = &xunp->xu_socket;
/* Ignore PCBs which were freed during copyout. */
if (xunp->xu_unp.unp_gencnt > oxug->xug_gen)
continue;
if (*first) {
xo_open_list("socket");
*first = false;
}
xo_open_instance("socket");
unixdomainpr(xunp, so);
xo_close_instance("socket");
}
if (xug != oxug && xug->xug_gen != oxug->xug_gen) {
if (oxug->xug_count > xug->xug_count) {
xo_emit("Some {:type/%s} sockets may have "
"been {:action/deleted}.\n",
socktype[type]);
} else if (oxug->xug_count < xug->xug_count) {
xo_emit("Some {:type/%s} sockets may have "
"been {:action/created}.\n",
socktype[type]);
} else {
xo_emit("Some {:type/%s} sockets may have "
"been {:action/created or deleted}",
socktype[type]);
}
}
free(buf);
}
}
#endif /* __rtems__ */
#ifndef __rtems__
static void
unixdomainpr(struct xunpcb *xunp, struct xsocket *so)
{
struct unpcb *unp;
struct sockaddr_un *sa;
static int first = 1;
char buf1[33];
static const char *titles[2] = {
"{T:/%-8.8s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%8.8s} "
"{T:/%8.8s} {T:/%8.8s} {T:/%8.8s} {T:Addr}\n",
"{T:/%-16.16s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%16.16s} "
"{T:/%16.16s} {T:/%16.16s} {T:/%16.16s} {T:Addr}\n"
};
static const char *format[2] = {
"{q:address/%8lx} {t:type/%-6.6s} "
"{:receive-bytes-waiting/%6u} "
"{:send-bytes-waiting/%6u} "
"{q:vnode/%8lx} {q:connection/%8lx} "
"{q:first-reference/%8lx} {q:next-reference/%8lx}",
"{q:address/%16lx} {t:type/%-6.6s} "
"{:receive-bytes-waiting/%6u} "
"{:send-bytes-waiting/%6u} "
"{q:vnode/%16lx} {q:connection/%16lx} "
"{q:first-reference/%16lx} {q:next-reference/%16lx}"
};
int fmt = (sizeof(void *) == 8) ? 1 : 0;
unp = &xunp->xu_unp;
if (unp->unp_addr)
sa = &xunp->xu_addr;
else
sa = (struct sockaddr_un *)0;
if (first && !Lflag) {
xo_emit("{T:Active UNIX domain sockets}\n");
xo_emit(titles[fmt],
"Address", "Type", "Recv-Q", "Send-Q",
"Inode", "Conn", "Refs", "Nextref");
first = 0;
}
if (Lflag && so->so_qlimit == 0)
return;
if (Lflag) {
snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen,
so->so_incqlen, so->so_qlimit);
xo_emit("unix {d:socket/%-32.32s}{e:queue-length/%u}"
"{e:incomplete-queue-length/%u}{e:queue-limit/%u}",
buf1, so->so_qlen, so->so_incqlen, so->so_qlimit);
} else {
xo_emit(format[fmt],
(long)so->so_pcb, socktype[so->so_type], so->so_rcv.sb_cc,
so->so_snd.sb_cc, (long)unp->unp_vnode,
(long)unp->unp_conn,
(long)LIST_FIRST(&unp->unp_refs),
(long)LIST_NEXT(unp, unp_reflink));
}
if (sa)
xo_emit(" {:path/%.*s}",
(int)(sa->sun_len - offsetof(struct sockaddr_un, sun_path)),
sa->sun_path);
xo_emit("\n");
}
#endif /* __rtems__ */
