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/* $OpenBSD: unix.c,v 1.23 2014/07/10 14:08:13 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
#include <sys/ucred.h>
#include <sys/file.h>
#undef _KERNEL
#include <netinet/in.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <kvm.h>
#include "netstat.h"
static void unixdomainpr(const struct kinfo_file *, u_long);
void
unixpr(kvm_t *kvmd, u_long pcbaddr)
{
struct kinfo_file *kf;
int i, fcnt;
kf = kvm_getfiles(kvmd, KERN_FILE_BYFILE, 0, sizeof(*kf), &fcnt);
if (kf == NULL) {
printf("Out of memory (file table).\n");
return;
}
for (i = 0; i < fcnt; i++) {
if (kf[i].f_count != 0 && kf[i].f_type == DTYPE_SOCKET &&
kf[i].so_family == AF_LOCAL && (kf[i].so_pcb != 0 ||
kf[i].unp_path[0] != '\0'))
unixdomainpr(&kf[i], pcbaddr);
}
}
static const char *socktype[] =
{ "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
static void
unixdomainpr(const struct kinfo_file *kf, u_long pcbaddr)
{
static int first = 1;
if (Pflag) {
if (pcbaddr == kf->f_data)
socket_dump(pcbaddr);
return;
}
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;
}
#define FAKE_PTR(p) (PLEN - ((p) ? 0 : 2)), p, ((p) ? "" : "x0")
printf("%#*llx%s %-6.6s %6llu %6llu %#*llx%s %#*llx%s %#*llx%s %#*llx%s",
FAKE_PTR(kf->f_data), socktype[kf->so_type],
kf->so_rcv_cc, kf->so_snd_cc,
FAKE_PTR(kf->v_un),
FAKE_PTR(kf->unp_conn),
FAKE_PTR(kf->unp_refs),
FAKE_PTR(kf->unp_nextref));
if (kf->unp_path[0] != '\0')
printf(" %.*s", KI_UNPPATHLEN, kf->unp_path);
putchar('\n');
}
/*
* Dump the contents of a UNIX PCB
*/
void
unpcb_dump(u_long off)
{
struct unpcb unp;
if (off == 0)
return;
kread(off, &unp, sizeof(unp));
#define p(fmt, v, sep) printf(#v " " fmt sep, unp.v);
#define pll(fmt, v, sep) printf(#v " " fmt sep, (long long) unp.v);
#define pull(fmt, v, sep) printf(#v " " fmt sep, (unsigned long long) unp.v);
#define pp(fmt, v, sep) printf(#v " " fmt sep, hideroot ? 0 : unp.v);
printf("unpcb %#lx\n ", hideroot ? 0 : off);
pp("%p", unp_socket, "\n ");
pp("%p", unp_vnode, ", ");
pull("%llu", unp_ino, "\n ");
pp("%p", unp_conn, ", ");
pp("%p", unp_refs, ", ");
pp("%p", unp_nextref, "\n ");
pp("%p", unp_addr, "\n ");
p("%#.8x", unp_flags, "\n ");
p("%u", unp_connid.uid, ", ");
p("%u", unp_connid.gid, ", ");
p("%d", unp_connid.pid, "\n ");
p("%d", unp_cc, ", ");
p("%d", unp_mbcnt, "\n ");
pll("%lld", unp_ctime.tv_sec, ", ");
p("%ld", unp_ctime.tv_nsec, "\n");
#undef p
#undef pp
}
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