235 lines
6.6 KiB
C
235 lines
6.6 KiB
C
/* $NetBSD: unix.c,v 1.33 2011/05/29 04:45:08 manu 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 1.33 2011/05/29 04:45:08 manu Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* Display protocol blocks in the unix domain.
|
|
*/
|
|
#define _KERNEL
|
|
#include <sys/types.h>
|
|
#undef _KERNEL
|
|
#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
|
|
#include <sys/file.h>
|
|
#undef _KERNEL
|
|
|
|
#include <netinet/in.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <kvm.h>
|
|
#include <err.h>
|
|
#include "netstat.h"
|
|
#include "prog_ops.h"
|
|
|
|
static void unixdomainprhdr(void);
|
|
static void unixdomainpr0(u_long, u_long, u_long, u_long, u_long, u_long,
|
|
u_long, u_long, u_long, struct sockaddr_un *, int);
|
|
static void unixdomainpr(struct socket *, void *);
|
|
|
|
static struct file *file, *fileNFILE;
|
|
static int ns_nfiles;
|
|
|
|
static void
|
|
unixdomainprhdr(void)
|
|
{
|
|
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");
|
|
}
|
|
|
|
static const char *socktype[] =
|
|
{ "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
|
|
|
|
static void
|
|
unixdomainpr0(u_long so_pcb, u_long so_type, u_long rcvq, u_long sndq,
|
|
u_long inode, u_long conn, u_long refs, u_long nextref,
|
|
u_long addr, struct sockaddr_un *sun, int remote)
|
|
{
|
|
printf("%8lx %-6.6s %6ld %6ld %8lx %8lx %8lx %8lx",
|
|
so_pcb, socktype[so_type], rcvq, sndq, inode, conn, refs,
|
|
nextref);
|
|
if (addr || remote)
|
|
printf((remote ? " -> %.*s" : " %.*s"),
|
|
(int)(sun->sun_len - (sizeof(*sun) - sizeof(sun->sun_path))),
|
|
sun->sun_path);
|
|
putchar('\n');
|
|
}
|
|
|
|
static void
|
|
unixdomainpr(so, soaddr)
|
|
struct socket *so;
|
|
void *soaddr;
|
|
{
|
|
struct unpcb unp, runp;
|
|
struct sockaddr_un sun, rsun;
|
|
static int first = 1;
|
|
int remote = 0;
|
|
|
|
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 (!unp.unp_addr) {
|
|
memset(&rsun, 0, sizeof(rsun));
|
|
if (unp.unp_conn &&
|
|
kread((u_long)unp.unp_conn, (char *)&runp, sizeof (runp)) == 0 &&
|
|
runp.unp_addr &&
|
|
kread((u_long)runp.unp_addr, (char *)&rsun, sizeof (rsun)) == 0 &&
|
|
rsun.sun_path[0] != '\0')
|
|
remote = 1;
|
|
}
|
|
|
|
if (first) {
|
|
unixdomainprhdr();
|
|
first = 0;
|
|
}
|
|
|
|
unixdomainpr0((u_long)so->so_pcb, 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, (u_long)unp.unp_addr,
|
|
remote ? &rsun : &sun, remote);
|
|
}
|
|
|
|
void
|
|
unixpr(off)
|
|
u_long off;
|
|
{
|
|
struct file *fp;
|
|
struct socket sock, *so = &sock;
|
|
char *filebuf;
|
|
struct protosw *unixsw = (struct protosw *)off;
|
|
|
|
if (use_sysctl) {
|
|
struct kinfo_pcb *pcblist;
|
|
int mib[8];
|
|
size_t namelen = 0, size = 0, i;
|
|
const char *mibnames[] = {
|
|
"net.local.stream.pcblist",
|
|
"net.local.dgram.pcblist",
|
|
"net.local.seqpacket.pcblist",
|
|
NULL,
|
|
};
|
|
const char **mibname;
|
|
static int first = 1;
|
|
|
|
for (mibname = mibnames; *mibname; mibname++) {
|
|
memset(mib, 0, sizeof(mib));
|
|
|
|
if (sysctlnametomib(*mibname, mib,
|
|
&namelen) == -1)
|
|
err(1, "sysctlnametomib: %s", *mibname);
|
|
|
|
if (prog_sysctl(mib, sizeof(mib) / sizeof(*mib),
|
|
NULL, &size, NULL, 0) == -1)
|
|
err(1, "sysctl (query)");
|
|
|
|
if ((pcblist = malloc(size)) == NULL)
|
|
err(1, "malloc");
|
|
memset(pcblist, 0, size);
|
|
|
|
mib[6] = sizeof(*pcblist);
|
|
mib[7] = size / sizeof(*pcblist);
|
|
|
|
if (prog_sysctl(mib, sizeof(mib) / sizeof(*mib),
|
|
pcblist, &size, NULL, 0) == -1)
|
|
err(1, "sysctl (copy)");
|
|
|
|
for (i = 0; i < size / sizeof(*pcblist); i++) {
|
|
struct kinfo_pcb *ki = &pcblist[i];
|
|
struct sockaddr_un *sun;
|
|
int remote = 0;
|
|
|
|
if (first) {
|
|
unixdomainprhdr();
|
|
first = 0;
|
|
}
|
|
|
|
sun = (struct sockaddr_un *)&ki->ki_dst;
|
|
if (sun->sun_path[0] != '\0') {
|
|
remote = 1;
|
|
} else {
|
|
sun = (struct sockaddr_un *)&ki->ki_src;
|
|
}
|
|
|
|
unixdomainpr0(ki->ki_pcbaddr, ki->ki_type,
|
|
ki->ki_rcvq, ki->ki_sndq,
|
|
ki->ki_vnode, ki->ki_conn,
|
|
ki->ki_refs, ki->ki_nextref,
|
|
ki->ki_sockaddr, sun, remote);
|
|
}
|
|
|
|
free(pcblist);
|
|
}
|
|
|
|
} else {
|
|
filebuf = (char *)kvm_getfiles(get_kvmd(), KERN_FILE,
|
|
0, &ns_nfiles);
|
|
if (filebuf == 0) {
|
|
printf("file table read error: %s",
|
|
kvm_geterr(get_kvmd()));
|
|
return;
|
|
}
|
|
file = (struct file *)(filebuf + sizeof(fp));
|
|
fileNFILE = file + ns_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);
|
|
}
|
|
}
|
|
}
|