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/*-
* 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.
* 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
#if 0
static char sccsid[] = "@(#)unix.c 8.1 (Berkeley) 6/6/93";
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
/*
* Display protocol blocks in the unix domain.
*/
#include <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 <stdio.h>
#include <stdlib.h>
#include <kvm.h>
#include "netstat.h"
static void unixdomainpr (struct xunpcb *, struct xsocket *);
static const char *const socktype[] =
{ "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
void
unixpr(void)
{
char *buf;
int type;
size_t len;
struct xsocket *so;
struct xunpgen *xug, *oxug;
struct xunpcb *xunp;
char mibvar[sizeof "net.local.seqpacket.pcblist"];
for (type = SOCK_STREAM; type <= SOCK_SEQPACKET; type++) {
sprintf(mibvar, "net.local.%s.pcblist", socktype[type]);
len = 0;
if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
if (errno != ENOENT)
warn("sysctl: %s", mibvar);
continue;
}
if ((buf = malloc(len)) == 0) {
warn("malloc %lu bytes", (u_long)len);
return;
}
if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
warn("sysctl: %s", mibvar);
free(buf);
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;
unixdomainpr(xunp, so);
}
if (xug != oxug && xug->xug_gen != oxug->xug_gen) {
if (oxug->xug_count > xug->xug_count) {
printf("Some %s sockets may have been deleted.\n",
socktype[type]);
} else if (oxug->xug_count < xug->xug_count) {
printf("Some %s sockets may have been created.\n",
socktype[type]);
} else {
printf("Some %s sockets may have been created or deleted",
socktype[type]);
}
}
free(buf);
}
}
static void
unixdomainpr(struct xunpcb *xunp, struct xsocket *so)
{
struct unpcb *unp;
struct sockaddr_un *sa;
static int first = 1;
unp = &xunp->xu_unp;
if (unp->unp_addr)
sa = &xunp->xu_addr;
else
sa = (struct sockaddr_un *)0;
if (first) {
printf("Active UNIX domain sockets\n");
printf(
"%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n",
"Address", "Type", "Recv-Q", "Send-Q",
"Inode", "Conn", "Refs", "Nextref");
first = 0;
}
printf("%8lx %-6.6s %6u %6u %8lx %8lx %8lx %8lx",
(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)
printf(" %.*s",
(int)(sa->sun_len - offsetof(struct sockaddr_un, sun_path)),
sa->sun_path);
putchar('\n');
}
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