1/*	$OpenBSD: unix.c,v 1.32 2018/04/26 12:42:51 guenther Exp $	*/
2/*	$NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej Exp $	*/
3
4/*-
5 * Copyright (c) 1983, 1988, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/*
34 * Display protocol blocks in the unix domain.
35 */
36#include <sys/socket.h>
37#include <sys/protosw.h>
38#include <sys/mbuf.h>
39#include <sys/sysctl.h>
40#include <sys/time.h>
41#include <sys/un.h>
42#include <sys/unpcb.h>
43#include <sys/ucred.h>
44
45#include <netinet/in.h>
46
47#include <limits.h>
48#include <stdio.h>
49#include <stdlib.h>
50#include <kvm.h>
51#include "netstat.h"
52
53static	const char *socktype[] =
54    { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
55
56void
57unixdomainpr(struct kinfo_file *kf)
58{
59	static int first = 1;
60
61	/* XXX should fix kinfo_file instead but not now */
62	if (kf->so_pcb == -1)
63		kf->so_pcb = 0;
64
65	if (first) {
66		printf("Active UNIX domain sockets\n");
67		printf("%-*.*s %-6.6s %-6.6s %-6.6s %*.*s %*.*s %*.*s %*.*s Addr\n",
68		    PLEN, PLEN, "Address", "Type", "Recv-Q", "Send-Q",
69		    PLEN, PLEN, "Inode", PLEN, PLEN, "Conn",
70		    PLEN, PLEN, "Refs", PLEN, PLEN, "Nextref");
71		first = 0;
72	}
73
74	printf("%#*llx%s %-6.6s %6llu %6llu %#*llx%s %#*llx%s %#*llx%s %#*llx%s",
75	    FAKE_PTR(kf->so_pcb), socktype[kf->so_type],
76	    kf->so_rcv_cc, kf->so_snd_cc,
77	    FAKE_PTR(kf->v_un),
78	    FAKE_PTR(kf->unp_conn),
79	    FAKE_PTR(kf->unp_refs),
80	    FAKE_PTR(kf->unp_nextref));
81	if (kf->unp_path[0] != '\0')
82		printf(" %.*s", KI_UNPPATHLEN, kf->unp_path);
83	putchar('\n');
84}
85
86/*
87 * Dump the contents of a UNIX PCB
88 */
89void
90unpcb_dump(u_long off)
91{
92	struct unpcb unp;
93
94	if (off == 0)
95		return;
96	kread(off, &unp, sizeof(unp));
97
98	if (vflag)
99		socket_dump((u_long)unp.unp_socket);
100
101#define	p(fmt, v, sep) printf(#v " " fmt sep, unp.v);
102#define	pll(fmt, v, sep) printf(#v " " fmt sep, (long long) unp.v);
103#define	pull(fmt, v, sep) printf(#v " " fmt sep, (unsigned long long) unp.v);
104#define	pp(fmt, v, sep) printf(#v " " fmt sep, unp.v);
105	printf("unpcb %#lx\n ", off);
106	pp("%p", unp_socket, "\n ");
107	pp("%p", unp_vnode, ", ");
108	pull("%llu", unp_ino, "\n ");
109	pp("%p", unp_conn, ", ");
110	printf("unp_refs %p, ", SLIST_FIRST(&unp.unp_refs));
111	printf("unp_nextref %p\n ", SLIST_NEXT(&unp, unp_nextref));
112	pp("%p", unp_addr, "\n ");
113	p("%#.8x", unp_flags, "\n ");
114	p("%u", unp_connid.uid, ", ");
115	p("%u", unp_connid.gid, ", ");
116	p("%d", unp_connid.pid, "\n ");
117	pll("%lld", unp_ctime.tv_sec, ", ");
118	p("%ld", unp_ctime.tv_nsec, "\n");
119#undef p
120#undef pp
121}
122