1/*-
2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
20 *
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
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#if 0
35#ifndef lint
36static char sccsid[] = "@(#)unix.c 8.1 (Berkeley) 6/6/93";
37#endif /* not lint */
38#endif
39
40#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
20 *
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
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#if 0
35#ifndef lint
36static char sccsid[] = "@(#)unix.c 8.1 (Berkeley) 6/6/93";
37#endif /* not lint */
38#endif
39
40#include <sys/cdefs.h>
|
42
43/*
44 * Display protocol blocks in the unix domain.
45 */
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>
51#include <sys/mbuf.h>
52#include <sys/sysctl.h>
53#include <sys/un.h>
54#include <sys/unpcb.h>
55
56#include <netinet/in.h>
57
58#include <errno.h>
59#include <err.h>
60#include <stddef.h>
61#include <stdint.h>
62#include <stdio.h>
63#include <stdlib.h>
64#include <strings.h>
65#include <kvm.h>
66#include "netstat.h"
67
68static void unixdomainpr(struct xunpcb *, struct xsocket *);
69
70static const char *const socktype[] =
71 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
72
73static int
74pcblist_sysctl(int type, char **bufp)
75{
76 char *buf;
77 size_t len;
78 char mibvar[sizeof "net.local.seqpacket.pcblist"];
79
80 sprintf(mibvar, "net.local.%s.pcblist", socktype[type]);
81
82 len = 0;
83 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
84 if (errno != ENOENT)
85 warn("sysctl: %s", mibvar);
86 return (-1);
87 }
88 if ((buf = malloc(len)) == 0) {
89 warnx("malloc %lu bytes", (u_long)len);
90 return (-2);
91 }
92 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
93 warn("sysctl: %s", mibvar);
94 free(buf);
95 return (-2);
96 }
97 *bufp = buf;
98 return (0);
99}
100
101static int
102pcblist_kvm(u_long count_off, u_long gencnt_off, u_long head_off, char **bufp)
103{
104 struct unp_head head;
105 struct unpcb *unp, unp_conn;
106 u_char sun_len;
107 struct socket so;
108 struct xunpgen xug;
109 struct xunpcb xu;
110 unp_gen_t unp_gencnt;
111 u_int unp_count;
112 char *buf, *p;
113 size_t len;
114
115 if (count_off == 0 || gencnt_off == 0)
116 return (-2);
117 if (head_off == 0)
118 return (-1);
119 kread(count_off, &unp_count, sizeof(unp_count));
120 len = 2 * sizeof(xug) + (unp_count + unp_count / 8) * sizeof(xu);
121 if ((buf = malloc(len)) == 0) {
122 warnx("malloc %lu bytes", (u_long)len);
123 return (-2);
124 }
125 p = buf;
126
127#define COPYOUT(obj, size) do { \
128 if (len < (size)) { \
129 warnx("buffer size exceeded"); \
130 goto fail; \
131 } \
132 bcopy((obj), p, (size)); \
133 len -= (size); \
134 p += (size); \
135} while (0)
136
137#define KREAD(off, buf, len) do { \
138 if (kread((uintptr_t)(off), (buf), (len)) != 0) \
139 goto fail; \
140} while (0)
141
142 /* Write out header. */
143 kread(gencnt_off, &unp_gencnt, sizeof(unp_gencnt));
144 xug.xug_len = sizeof xug;
145 xug.xug_count = unp_count;
146 xug.xug_gen = unp_gencnt;
147 xug.xug_sogen = 0;
148 COPYOUT(&xug, sizeof xug);
149
150 /* Walk the PCB list. */
151 xu.xu_len = sizeof xu;
152 KREAD(head_off, &head, sizeof(head));
153 LIST_FOREACH(unp, &head, unp_link) {
154 xu.xu_unpp = unp;
155 KREAD(unp, &xu.xu_unp, sizeof (*unp));
156 unp = &xu.xu_unp;
157
158 if (unp->unp_gencnt > unp_gencnt)
159 continue;
160 if (unp->unp_addr != NULL) {
161 KREAD(unp->unp_addr, &sun_len, sizeof(sun_len));
162 KREAD(unp->unp_addr, &xu.xu_addr, sun_len);
163 }
164 if (unp->unp_conn != NULL) {
165 KREAD(unp->unp_conn, &unp_conn, sizeof(unp_conn));
166 if (unp_conn.unp_addr != NULL) {
167 KREAD(unp_conn.unp_addr, &sun_len,
168 sizeof(sun_len));
169 KREAD(unp_conn.unp_addr, &xu.xu_caddr, sun_len);
170 }
171 }
172 KREAD(unp->unp_socket, &so, sizeof(so));
173 if (sotoxsocket(&so, &xu.xu_socket) != 0)
174 goto fail;
175 COPYOUT(&xu, sizeof(xu));
176 }
177
178 /* Reread the counts and write the footer. */
179 kread(count_off, &unp_count, sizeof(unp_count));
180 kread(gencnt_off, &unp_gencnt, sizeof(unp_gencnt));
181 xug.xug_count = unp_count;
182 xug.xug_gen = unp_gencnt;
183 COPYOUT(&xug, sizeof xug);
184
185 *bufp = buf;
186 return (0);
187
188fail:
189 free(buf);
190 return (-1);
191#undef COPYOUT
192#undef KREAD
193}
194
195void
196unixpr(u_long count_off, u_long gencnt_off, u_long dhead_off, u_long shead_off)
197{
198 char *buf;
199 int ret, type;
200 struct xsocket *so;
201 struct xunpgen *xug, *oxug;
202 struct xunpcb *xunp;
203
204 for (type = SOCK_STREAM; type <= SOCK_SEQPACKET; type++) {
205 if (live)
206 ret = pcblist_sysctl(type, &buf);
207 else
208 ret = pcblist_kvm(count_off, gencnt_off,
209 type == SOCK_STREAM ? shead_off :
210 (type == SOCK_DGRAM ? dhead_off : 0), &buf);
211 if (ret == -1)
212 continue;
213 if (ret < 0)
214 return;
215
216 oxug = xug = (struct xunpgen *)buf;
217 for (xug = (struct xunpgen *)((char *)xug + xug->xug_len);
218 xug->xug_len > sizeof(struct xunpgen);
219 xug = (struct xunpgen *)((char *)xug + xug->xug_len)) {
220 xunp = (struct xunpcb *)xug;
221 so = &xunp->xu_socket;
222
223 /* Ignore PCBs which were freed during copyout. */
224 if (xunp->xu_unp.unp_gencnt > oxug->xug_gen)
225 continue;
226 unixdomainpr(xunp, so);
227 }
228 if (xug != oxug && xug->xug_gen != oxug->xug_gen) {
229 if (oxug->xug_count > xug->xug_count) {
230 printf("Some %s sockets may have been deleted.\n",
231 socktype[type]);
232 } else if (oxug->xug_count < xug->xug_count) {
233 printf("Some %s sockets may have been created.\n",
234 socktype[type]);
235 } else {
236 printf("Some %s sockets may have been created or deleted",
237 socktype[type]);
238 }
239 }
240 free(buf);
241 }
242}
243
244static void
245unixdomainpr(struct xunpcb *xunp, struct xsocket *so)
246{
247 struct unpcb *unp;
248 struct sockaddr_un *sa;
249 static int first = 1;
| 42
43/*
44 * Display protocol blocks in the unix domain.
45 */
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>
51#include <sys/mbuf.h>
52#include <sys/sysctl.h>
53#include <sys/un.h>
54#include <sys/unpcb.h>
55
56#include <netinet/in.h>
57
58#include <errno.h>
59#include <err.h>
60#include <stddef.h>
61#include <stdint.h>
62#include <stdio.h>
63#include <stdlib.h>
64#include <strings.h>
65#include <kvm.h>
66#include "netstat.h"
67
68static void unixdomainpr(struct xunpcb *, struct xsocket *);
69
70static const char *const socktype[] =
71 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
72
73static int
74pcblist_sysctl(int type, char **bufp)
75{
76 char *buf;
77 size_t len;
78 char mibvar[sizeof "net.local.seqpacket.pcblist"];
79
80 sprintf(mibvar, "net.local.%s.pcblist", socktype[type]);
81
82 len = 0;
83 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
84 if (errno != ENOENT)
85 warn("sysctl: %s", mibvar);
86 return (-1);
87 }
88 if ((buf = malloc(len)) == 0) {
89 warnx("malloc %lu bytes", (u_long)len);
90 return (-2);
91 }
92 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
93 warn("sysctl: %s", mibvar);
94 free(buf);
95 return (-2);
96 }
97 *bufp = buf;
98 return (0);
99}
100
101static int
102pcblist_kvm(u_long count_off, u_long gencnt_off, u_long head_off, char **bufp)
103{
104 struct unp_head head;
105 struct unpcb *unp, unp_conn;
106 u_char sun_len;
107 struct socket so;
108 struct xunpgen xug;
109 struct xunpcb xu;
110 unp_gen_t unp_gencnt;
111 u_int unp_count;
112 char *buf, *p;
113 size_t len;
114
115 if (count_off == 0 || gencnt_off == 0)
116 return (-2);
117 if (head_off == 0)
118 return (-1);
119 kread(count_off, &unp_count, sizeof(unp_count));
120 len = 2 * sizeof(xug) + (unp_count + unp_count / 8) * sizeof(xu);
121 if ((buf = malloc(len)) == 0) {
122 warnx("malloc %lu bytes", (u_long)len);
123 return (-2);
124 }
125 p = buf;
126
127#define COPYOUT(obj, size) do { \
128 if (len < (size)) { \
129 warnx("buffer size exceeded"); \
130 goto fail; \
131 } \
132 bcopy((obj), p, (size)); \
133 len -= (size); \
134 p += (size); \
135} while (0)
136
137#define KREAD(off, buf, len) do { \
138 if (kread((uintptr_t)(off), (buf), (len)) != 0) \
139 goto fail; \
140} while (0)
141
142 /* Write out header. */
143 kread(gencnt_off, &unp_gencnt, sizeof(unp_gencnt));
144 xug.xug_len = sizeof xug;
145 xug.xug_count = unp_count;
146 xug.xug_gen = unp_gencnt;
147 xug.xug_sogen = 0;
148 COPYOUT(&xug, sizeof xug);
149
150 /* Walk the PCB list. */
151 xu.xu_len = sizeof xu;
152 KREAD(head_off, &head, sizeof(head));
153 LIST_FOREACH(unp, &head, unp_link) {
154 xu.xu_unpp = unp;
155 KREAD(unp, &xu.xu_unp, sizeof (*unp));
156 unp = &xu.xu_unp;
157
158 if (unp->unp_gencnt > unp_gencnt)
159 continue;
160 if (unp->unp_addr != NULL) {
161 KREAD(unp->unp_addr, &sun_len, sizeof(sun_len));
162 KREAD(unp->unp_addr, &xu.xu_addr, sun_len);
163 }
164 if (unp->unp_conn != NULL) {
165 KREAD(unp->unp_conn, &unp_conn, sizeof(unp_conn));
166 if (unp_conn.unp_addr != NULL) {
167 KREAD(unp_conn.unp_addr, &sun_len,
168 sizeof(sun_len));
169 KREAD(unp_conn.unp_addr, &xu.xu_caddr, sun_len);
170 }
171 }
172 KREAD(unp->unp_socket, &so, sizeof(so));
173 if (sotoxsocket(&so, &xu.xu_socket) != 0)
174 goto fail;
175 COPYOUT(&xu, sizeof(xu));
176 }
177
178 /* Reread the counts and write the footer. */
179 kread(count_off, &unp_count, sizeof(unp_count));
180 kread(gencnt_off, &unp_gencnt, sizeof(unp_gencnt));
181 xug.xug_count = unp_count;
182 xug.xug_gen = unp_gencnt;
183 COPYOUT(&xug, sizeof xug);
184
185 *bufp = buf;
186 return (0);
187
188fail:
189 free(buf);
190 return (-1);
191#undef COPYOUT
192#undef KREAD
193}
194
195void
196unixpr(u_long count_off, u_long gencnt_off, u_long dhead_off, u_long shead_off)
197{
198 char *buf;
199 int ret, type;
200 struct xsocket *so;
201 struct xunpgen *xug, *oxug;
202 struct xunpcb *xunp;
203
204 for (type = SOCK_STREAM; type <= SOCK_SEQPACKET; type++) {
205 if (live)
206 ret = pcblist_sysctl(type, &buf);
207 else
208 ret = pcblist_kvm(count_off, gencnt_off,
209 type == SOCK_STREAM ? shead_off :
210 (type == SOCK_DGRAM ? dhead_off : 0), &buf);
211 if (ret == -1)
212 continue;
213 if (ret < 0)
214 return;
215
216 oxug = xug = (struct xunpgen *)buf;
217 for (xug = (struct xunpgen *)((char *)xug + xug->xug_len);
218 xug->xug_len > sizeof(struct xunpgen);
219 xug = (struct xunpgen *)((char *)xug + xug->xug_len)) {
220 xunp = (struct xunpcb *)xug;
221 so = &xunp->xu_socket;
222
223 /* Ignore PCBs which were freed during copyout. */
224 if (xunp->xu_unp.unp_gencnt > oxug->xug_gen)
225 continue;
226 unixdomainpr(xunp, so);
227 }
228 if (xug != oxug && xug->xug_gen != oxug->xug_gen) {
229 if (oxug->xug_count > xug->xug_count) {
230 printf("Some %s sockets may have been deleted.\n",
231 socktype[type]);
232 } else if (oxug->xug_count < xug->xug_count) {
233 printf("Some %s sockets may have been created.\n",
234 socktype[type]);
235 } else {
236 printf("Some %s sockets may have been created or deleted",
237 socktype[type]);
238 }
239 }
240 free(buf);
241 }
242}
243
244static void
245unixdomainpr(struct xunpcb *xunp, struct xsocket *so)
246{
247 struct unpcb *unp;
248 struct sockaddr_un *sa;
249 static int first = 1;
|
265 printf("%8lx %-6.6s %6u %6u %8lx %8lx %8lx %8lx",
266 (long)so->so_pcb, socktype[so->so_type], so->so_rcv.sb_cc,
267 so->so_snd.sb_cc,
268 (long)unp->unp_vnode, (long)unp->unp_conn,
269 (long)LIST_FIRST(&unp->unp_refs), (long)LIST_NEXT(unp, unp_reflink));
| 266
267 if (Lflag && so->so_qlimit == 0)
268 return;
269
270 if (Lflag) {
271 snprintf(buf1, 15, "%d/%d/%d", so->so_qlen,
272 so->so_incqlen, so->so_qlimit);
273 printf("unix %-14.14s", buf1);
274 } else {
275 printf("%8lx %-6.6s %6u %6u %8lx %8lx %8lx %8lx",
276 (long)so->so_pcb, socktype[so->so_type], so->so_rcv.sb_cc,
277 so->so_snd.sb_cc, (long)unp->unp_vnode, (long)unp->unp_conn,
278 (long)LIST_FIRST(&unp->unp_refs),
279 (long)LIST_NEXT(unp, unp_reflink));
280 }
|