NetBSD/usr.bin/netstat/unix.c

155 lines
4.8 KiB
C

/*-
* Copyright (c) 1983, 1988 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
/*static char sccsid[] = "from: @(#)unix.c 5.11 (Berkeley) 7/1/91";*/
static char rcsid[] = "$Id: unix.c,v 1.6 1993/08/01 18:10:46 mycroft Exp $";
#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/un.h>
#include <sys/unpcb.h>
#include <sys/time.h>
#include <sys/proc.h>
#define KERNEL
struct uio;
#include <sys/time.h>
#include <sys/proc.h>
#include <sys/file.h>
struct file *file, *fileNFILE;
int nfiles;
int Aflag;
extern char *calloc();
unixpr(fileheadaddr, nfilesaddr, unixsw)
off_t fileheadaddr, nfilesaddr;
struct protosw *unixsw;
{
register struct file *fp, *lfp;
struct file *filep;
struct socket sock, *so = &sock;
int i;
if (fileheadaddr == 0 || nfilesaddr == 0) {
printf("filehead or nfiles not in namelist.\n");
return;
}
if (kvm_read(nfilesaddr, (char *)&nfiles, sizeof (nfiles)) !=
sizeof (nfiles)) {
printf("nfiles: bad read.\n");
return;
}
if (kvm_read(fileheadaddr, (char *)&filep, sizeof (filep))
!= sizeof (filep)) {
printf("File table address, bad read.\n");
return;
}
file = (struct file *)calloc(nfiles, sizeof (struct file));
if (file == (struct file *)0) {
printf("Out of memory (file table).\n");
return;
}
for (lfp = file, i = nfiles;
filep != NULL && i-- > 0;
filep = lfp->f_filef, lfp++)
{
if(kvm_read((off_t)filep, (char *)lfp, sizeof (struct file))
!= sizeof(struct file)) {
printf("File table read error.\n");
return;
}
}
fileNFILE = file + nfiles;
for (fp = file; fp < fileNFILE; fp++) {
if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET)
continue;
if (kvm_read((off_t)fp->f_data, (char *)so, sizeof (*so))
!= sizeof (*so))
continue;
/* kludge */
if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2)
if (so->so_pcb)
unixdomainpr(so, fp->f_data);
}
free((char *)file);
}
static char *socktype[] =
{ "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
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;
if (kvm_read((off_t)so->so_pcb, (char *)unp, sizeof (*unp))
!= sizeof (*unp))
return;
if (unp->unp_addr) {
m = &mbuf;
if (kvm_read((off_t)unp->unp_addr, (char *)m, sizeof (*m))
!= sizeof (*m))
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)
printf(" %.*s", m->m_len - sizeof(sa->sun_family),
sa->sun_path);
putchar('\n');
}