NetBSD/usr.bin/netstat/unix.c

141 lines
4.4 KiB
C

/* $NetBSD: unix.c,v 1.23 2005/03/04 03:59:07 atatat Exp $ */
/*-
* 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. 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.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "from: @(#)unix.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: unix.c,v 1.23 2005/03/04 03:59:07 atatat Exp $");
#endif
#endif /* not lint */
/*
* Display protocol blocks in the unix domain.
*/
#include <sys/param.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>
#define _KERNEL
struct uio;
struct proc;
#include <sys/file.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <kvm.h>
#include "netstat.h"
static void unixdomainpr __P((struct socket *, caddr_t));
static struct file *file, *fileNFILE;
static int nfiles;
extern kvm_t *kvmd;
void
unixpr(off)
u_long off;
{
struct file *fp;
struct socket sock, *so = &sock;
char *filebuf;
struct protosw *unixsw = (struct protosw *)off;
filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles);
if (filebuf == 0) {
printf("file table read error: %s", kvm_geterr(kvmd));
return;
}
file = (struct file *)(filebuf + sizeof(fp));
fileNFILE = file + nfiles;
for (fp = file; fp < fileNFILE; fp++) {
if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET)
continue;
if (kread((u_long)fp->f_data, (char *)so, sizeof (*so)))
continue;
/* kludge */
if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2)
if (so->so_pcb)
unixdomainpr(so, fp->f_data);
}
}
static char *socktype[] =
{ "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
static void
unixdomainpr(so, soaddr)
struct socket *so;
caddr_t soaddr;
{
struct unpcb unp;
struct sockaddr_un sun;
static int first = 1;
if (kread((u_long)so->so_pcb, (char *)&unp, sizeof (unp)))
return;
if (unp.unp_addr)
if (kread((u_long)unp.unp_addr, (char *)&sun, sizeof (sun)))
unp.unp_addr = 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 %6ld %6ld %8lx %8lx %8lx %8lx",
(u_long) so->so_pcb, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc,
(u_long) unp.unp_vnode, (u_long) unp.unp_conn,
(u_long) unp.unp_refs, (u_long) unp.unp_nextref);
if (unp.unp_addr)
printf(" %.*s",
(int) (sun.sun_len - (sizeof(sun) - sizeof(sun.sun_path))),
sun.sun_path);
else if (unp.unp_conn &&
kread((u_long)unp.unp_conn, (char *)&unp, sizeof (unp)) == 0 &&
unp.unp_addr &&
kread((u_long)unp.unp_addr, (char *)&sun, sizeof (sun)) == 0 &&
sun.sun_path[0] != '\0')
printf(" -> %.*s",
(int) (sun.sun_len - (sizeof(sun) - sizeof(sun.sun_path))),
sun.sun_path);
putchar('\n');
}