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
53 static const char *socktype[] =
54 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
55
56 void
unixdomainpr(struct kinfo_file * kf)57 unixdomainpr(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 */
89 void
unpcb_dump(u_long off)90 unpcb_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