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b7080c8e 1/*
fdfd5971 2 * Copyright (c) 2008-2009 Apple Inc. All rights reserved.
b7080c8e 3 *
9c859447 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
b7080c8e 5 *
9c859447
A
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
b7080c8e 14 *
9c859447
A
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
b7080c8e
A
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
9c859447
A
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
b7080c8e 25 *
9c859447 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
b7080c8e
A
27 */
28/*-
29 * Copyright (c) 1983, 1988, 1993
30 * The Regents of the University of California. All rights reserved.
31 *
32 * Redistribution and use in source and binary forms, with or without
33 * modification, are permitted provided that the following conditions
34 * are met:
35 * 1. Redistributions of source code must retain the above copyright
36 * notice, this list of conditions and the following disclaimer.
37 * 2. Redistributions in binary form must reproduce the above copyright
38 * notice, this list of conditions and the following disclaimer in the
39 * documentation and/or other materials provided with the distribution.
40 * 3. All advertising materials mentioning features or use of this software
41 * must display the following acknowledgement:
42 * This product includes software developed by the University of
43 * California, Berkeley and its contributors.
44 * 4. Neither the name of the University nor the names of its contributors
45 * may be used to endorse or promote products derived from this software
46 * without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 */
60
b7080c8e
A
61/*
62 * Display protocol blocks in the unix domain.
63 */
64#include <sys/param.h>
65#include <sys/queue.h>
b7080c8e
A
66#include <sys/socket.h>
67#include <sys/socketvar.h>
68#include <sys/mbuf.h>
69#include <sys/sysctl.h>
70#include <sys/un.h>
71#include <sys/unpcb.h>
72
73#include <netinet/in.h>
74
75#include <errno.h>
76#include <err.h>
77#include <stddef.h>
78#include <stdio.h>
79#include <stdlib.h>
b7080c8e
A
80#include "netstat.h"
81
e0b07f2d
A
82#ifdef __APPLE__
83#include <TargetConditionals.h>
84#endif
85
86#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
9c859447
A
87static void unixdomainpr __P((struct xunpcb64 *, struct xsocket64 *));
88#else
b7080c8e 89static void unixdomainpr __P((struct xunpcb *, struct xsocket *));
9c859447 90#endif
b7080c8e
A
91
92static const char *const socktype[] =
26c66ce9 93 { "#0", "stream", "dgram", "raw" };
b7080c8e
A
94
95void
96unixpr()
97{
98 char *buf;
99 int type;
100 size_t len;
b7080c8e 101 struct xunpgen *xug, *oxug;
e0b07f2d 102#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
9c859447
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103 struct xsocket64 *so;
104 struct xunpcb64 *xunp;
105 char mibvar[sizeof "net.local.seqpacket.pcblist64"];
106#else
107 struct xsocket *so;
b7080c8e
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108 struct xunpcb *xunp;
109 char mibvar[sizeof "net.local.seqpacket.pcblist"];
9c859447 110#endif
b7080c8e 111
26c66ce9 112 for (type = SOCK_STREAM; type <= SOCK_RAW; type++) {
e0b07f2d 113#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
fdfd5971 114 snprintf(mibvar, sizeof(mibvar), "net.local.%s.pcblist64", socktype[type]);
9c859447 115#else
fdfd5971 116 snprintf(mibvar, sizeof(mibvar), "net.local.%s.pcblist", socktype[type]);
9c859447 117#endif
b7080c8e
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118 len = 0;
119 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
120 if (errno != ENOENT)
121 warn("sysctl: %s", mibvar);
122 continue;
123 }
124 if ((buf = malloc(len)) == 0) {
125 warn("malloc %lu bytes", (u_long)len);
126 return;
127 }
128 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
129 warn("sysctl: %s", mibvar);
130 free(buf);
131 return;
132 }
133
134 oxug = xug = (struct xunpgen *)buf;
135 for (xug = (struct xunpgen *)((char *)xug + xug->xug_len);
136 xug->xug_len > sizeof(struct xunpgen);
137 xug = (struct xunpgen *)((char *)xug + xug->xug_len)) {
e0b07f2d 138#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
9c859447
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139 xunp = (struct xunpcb64 *)xug;
140#else
b7080c8e 141 xunp = (struct xunpcb *)xug;
9c859447 142#endif
b7080c8e
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143 so = &xunp->xu_socket;
144
145 /* Ignore PCBs which were freed during copyout. */
e0b07f2d 146#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
9c859447
A
147 if (xunp->xunp_gencnt > oxug->xug_gen)
148#else
b7080c8e 149 if (xunp->xu_unp.unp_gencnt > oxug->xug_gen)
9c859447 150#endif
b7080c8e
A
151 continue;
152 unixdomainpr(xunp, so);
153 }
154 if (xug != oxug && xug->xug_gen != oxug->xug_gen) {
155 if (oxug->xug_count > xug->xug_count) {
156 printf("Some %s sockets may have been deleted.\n",
157 socktype[type]);
158 } else if (oxug->xug_count < xug->xug_count) {
159 printf("Some %s sockets may have been created.\n",
160 socktype[type]);
161 } else {
8052502f 162 printf("Some %s sockets may have been created or deleted\n",
b7080c8e
A
163 socktype[type]);
164 }
165 }
166 free(buf);
167 }
168}
169
170static void
171unixdomainpr(xunp, so)
e0b07f2d 172#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
9c859447
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173 struct xunpcb64 *xunp;
174 struct xsocket64 *so;
175#else
b7080c8e
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176 struct xunpcb *xunp;
177 struct xsocket *so;
9c859447 178#endif
b7080c8e 179{
e0b07f2d 180#if (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
b7080c8e 181 struct unpcb *unp;
9c859447 182#endif
b7080c8e
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183 struct sockaddr_un *sa;
184 static int first = 1;
185
e0b07f2d 186#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
9c859447
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187 sa = &xunp->xu_addr;
188#else
b7080c8e
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189 unp = &xunp->xu_unp;
190 if (unp->unp_addr)
191 sa = &xunp->xu_addr;
192 else
193 sa = (struct sockaddr_un *)0;
9c859447 194#endif
b7080c8e
A
195
196 if (first) {
197 printf("Active LOCAL (UNIX) domain sockets\n");
198 printf(
e0b07f2d 199#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
9c859447
A
200"%-16.16s %-6.6s %-6.6s %-6.6s %16.16s %16.16s %16.16s %16.16s Addr\n",
201#else
b7080c8e 202"%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n",
9c859447 203#endif
b7080c8e
A
204 "Address", "Type", "Recv-Q", "Send-Q",
205 "Inode", "Conn", "Refs", "Nextref");
206 first = 0;
207 }
e0b07f2d 208#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
9c859447
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209 printf("%16lx %-6.6s %6u %6u %16lx %16lx %16lx %16lx",
210 (long)xunp->xu_unpp, socktype[so->so_type], so->so_rcv.sb_cc,
211 so->so_snd.sb_cc,
212 (long)xunp->xunp_vnode, (long)xunp->xunp_conn,
213 (long)xunp->xunp_refs, (long)xunp->xunp_reflink.le_next);
214#else
b8dff150 215 printf("%8lx %-6.6s %6u %6u %8lx %8lx %8lx %8lx",
b7080c8e
A
216 (long)so->so_pcb, socktype[so->so_type], so->so_rcv.sb_cc,
217 so->so_snd.sb_cc,
218 (long)unp->unp_vnode, (long)unp->unp_conn,
219 (long)unp->unp_refs.lh_first, (long)unp->unp_reflink.le_next);
9c859447
A
220#endif
221
e0b07f2d 222#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
9c859447
A
223 if (sa->sun_len)
224#else
b7080c8e 225 if (sa)
9c859447 226#endif
b7080c8e
A
227 printf(" %.*s",
228 (int)(sa->sun_len - offsetof(struct sockaddr_un, sun_path)),
229 sa->sun_path);
230 putchar('\n');
231}