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/* $OpenBSD: unix.c,v 1.13 2007/12/19 01:47:00 deraadt Exp $ */
/* $NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej 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.
*/
/*
* 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 <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <kvm.h>
#include "netstat.h"
static void unixdomainpr(struct socket *, caddr_t);
static struct file *file, *fileNFILE;
static int nfiles;
extern kvm_t *kvmd;
void
unixpr(u_long off)
{
struct file *fp;
struct socket sock, *so = &sock;
char *filebuf;
struct protosw *unixsw = (struct protosw *)off;
filebuf = kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles);
if (filebuf == NULL) {
printf("Out of memory (file table).\n");
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, 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(struct socket *so, caddr_t soaddr)
{
struct unpcb unpcb, *unp = &unpcb;
struct mbuf mbuf, *m;
struct sockaddr_un *sa = NULL;
static int first = 1;
if (kread((u_long)so->so_pcb, unp, sizeof (*unp)))
return;
if (unp->unp_addr) {
m = &mbuf;
if (kread((u_long)unp->unp_addr, m, sizeof (*m)))
m = NULL;
sa = (struct sockaddr_un *)(m->m_dat);
} else
m = NULL;
if (first) {
printf("Active UNIX domain sockets\n");
printf("%-*.*s %-6.6s %-6.6s %-6.6s %*.*s %*.*s %*.*s %*.*s Addr\n",
PLEN, PLEN, "Address", "Type", "Recv-Q", "Send-Q",
PLEN, PLEN, "Inode", PLEN, PLEN, "Conn",
PLEN, PLEN, "Refs", PLEN, PLEN, "Nextref");
first = 0;
}
printf("%*p %-6.6s %6ld %6ld %*p %*p %*p %*p",
PLEN, soaddr, socktype[so->so_type], so->so_rcv.sb_cc,
so->so_snd.sb_cc, PLEN, unp->unp_vnode, PLEN, unp->unp_conn,
PLEN, unp->unp_refs, PLEN, unp->unp_nextref);
if (m)
printf(" %.*s",
(int)(m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path))),
sa->sun_path);
putchar('\n');
}
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