2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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36 static char sccsid[] = "@(#)unix.c 8.1 (Berkeley) 6/6/93";
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD$");
44 * Display protocol blocks in the unix domain.
46 #include <sys/param.h>
47 #include <sys/queue.h>
48 #include <sys/protosw.h>
49 #include <sys/socket.h>
50 #include <sys/socketvar.h>
52 #include <sys/sysctl.h>
54 #include <sys/unpcb.h>
56 #include <netinet/in.h>
67 static void unixdomainpr (struct xunpcb *, struct xsocket *);
69 static const char *const socktype[] =
70 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
79 struct xunpgen *xug, *oxug;
81 char mibvar[sizeof "net.local.seqpacket.pcblist"];
83 for (type = SOCK_STREAM; type <= SOCK_SEQPACKET; type++) {
84 sprintf(mibvar, "net.local.%s.pcblist", socktype[type]);
87 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
89 warn("sysctl: %s", mibvar);
92 if ((buf = malloc(len)) == 0) {
93 warnx("malloc %lu bytes", (u_long)len);
96 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
97 warn("sysctl: %s", mibvar);
102 oxug = xug = (struct xunpgen *)buf;
103 for (xug = (struct xunpgen *)((char *)xug + xug->xug_len);
104 xug->xug_len > sizeof(struct xunpgen);
105 xug = (struct xunpgen *)((char *)xug + xug->xug_len)) {
106 xunp = (struct xunpcb *)xug;
107 so = &xunp->xu_socket;
109 /* Ignore PCBs which were freed during copyout. */
110 if (xunp->xu_unp.unp_gencnt > oxug->xug_gen)
112 unixdomainpr(xunp, so);
114 if (xug != oxug && xug->xug_gen != oxug->xug_gen) {
115 if (oxug->xug_count > xug->xug_count) {
116 printf("Some %s sockets may have been deleted.\n",
118 } else if (oxug->xug_count < xug->xug_count) {
119 printf("Some %s sockets may have been created.\n",
122 printf("Some %s sockets may have been created or deleted",
131 unixdomainpr(struct xunpcb *xunp, struct xsocket *so)
134 struct sockaddr_un *sa;
135 static int first = 1;
141 sa = (struct sockaddr_un *)0;
144 printf("Active UNIX domain sockets\n");
146 "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n",
147 "Address", "Type", "Recv-Q", "Send-Q",
148 "Inode", "Conn", "Refs", "Nextref");
151 printf("%8lx %-6.6s %6u %6u %8lx %8lx %8lx %8lx",
152 (long)so->so_pcb, socktype[so->so_type], so->so_rcv.sb_cc,
154 (long)unp->unp_vnode, (long)unp->unp_conn,
155 (long)LIST_FIRST(&unp->unp_refs), (long)LIST_NEXT(unp, unp_reflink));
158 (int)(sa->sun_len - offsetof(struct sockaddr_un, sun_path)),