NetBSD/usr.bin/netstat/unix.c

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/*-
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* Copyright (c) 1983, 1988, 1993
* The Regents of the University of California. All rights reserved.
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*
* 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
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/*static char sccsid[] = "from: @(#)unix.c 8.1 (Berkeley) 6/6/93";*/
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static char *rcsid = "$Id: unix.c,v 1.11 1994/11/02 09:20:33 deraadt Exp $";
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#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>
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#include <sys/sysctl.h>
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#include <sys/un.h>
#include <sys/unpcb.h>
#define KERNEL
struct uio;
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struct proc;
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#include <sys/file.h>
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#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
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#include <kvm.h>
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#include "netstat.h"
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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;
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{
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register struct file *fp;
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struct socket sock, *so = &sock;
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char *filebuf;
struct protosw *unixsw = (struct protosw *)off;
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filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles);
if (filebuf == 0) {
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printf("Out of memory (file table).\n");
return;
}
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file = (struct file *)(filebuf + sizeof(fp));
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fileNFILE = file + nfiles;
for (fp = file; fp < fileNFILE; fp++) {
if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET)
continue;
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if (kread((u_long)fp->f_data, (char *)so, sizeof (*so)))
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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" };
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static void
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unixdomainpr(so, soaddr)
register struct socket *so;
caddr_t soaddr;
{
struct unpcb unpcb, *unp = &unpcb;
struct mbuf mbuf, *m;
struct sockaddr_un *sa;
static int first = 1;
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if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp)))
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return;
if (unp->unp_addr) {
m = &mbuf;
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if (kread((u_long)unp->unp_addr, (char *)m, sizeof (*m)))
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m = (struct mbuf *)0;
sa = (struct sockaddr_un *)(m->m_dat);
} else
m = (struct mbuf *)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("%8x %-6.6s %6d %6d %8x %8x %8x %8x",
soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc,
unp->unp_vnode, unp->unp_conn,
unp->unp_refs, unp->unp_nextref);
if (m)
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printf(" %.*s",
m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path)),
sa->sun_path);
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putchar('\n');
}