1 /*-
2 * Copyright (c) 1983, 1988 Regents of the University of California.
3 * 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 #ifndef lint
35 /* static char sccsid[] = "@(#)unix.c 5.11 (Berkeley) 7/1/91"; */
36 static char sccsid[] = "$Id: unix.c,v 1.3 93/03/15 19:31:53 bill Exp $";
37 #endif /* not lint */
38
39 /*
40 * Display protocol blocks in the unix domain.
41 */
42 #include <sys/param.h>
43 #include <sys/protosw.h>
44 #include <sys/socket.h>
45 #include <sys/socketvar.h>
46 #include <sys/mbuf.h>
47 #include <sys/un.h>
48 #include <sys/unpcb.h>
49 #define KERNEL
50 struct uio;
51 struct proc;
52 #include <sys/file.h>
53
54 int Aflag;
55
unixpr(fileheadaddr,unixsw)56 unixpr(fileheadaddr, unixsw)
57 off_t fileheadaddr;
58 struct protosw *unixsw;
59 {
60 struct file file, *filep;
61 struct socket sock, *so = &sock;
62
63 if (fileheadaddr == 0) {
64 printf("filehead not in namelist.\n");
65 return;
66 }
67 if (kvm_read(fileheadaddr, (char *)&filep, sizeof (filep))
68 != sizeof (filep)) {
69 printf("Open file list head address, bad read.\n");
70 return;
71 }
72 while (filep) {
73 if (kvm_read((off_t)filep, (char *)&file, sizeof (struct file))
74 != sizeof (struct file)) {
75 printf("File table read error.\n");
76 return;
77 }
78 filep = file.f_filef;
79 if (file.f_type != DTYPE_SOCKET)
80 continue;
81 if (kvm_read((off_t)file.f_data, (char *)so, sizeof (*so))
82 != sizeof (*so))
83 continue;
84 /* kludge */
85 if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2)
86 if (so->so_pcb)
87 unixdomainpr(so, file.f_data);
88 }
89 }
90
91 static char *socktype[] =
92 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
93
unixdomainpr(so,soaddr)94 unixdomainpr(so, soaddr)
95 register struct socket *so;
96 caddr_t soaddr;
97 {
98 struct unpcb unpcb, *unp = &unpcb;
99 struct mbuf mbuf, *m;
100 struct sockaddr_un *sa;
101 static int first = 1;
102
103 if (kvm_read((off_t)so->so_pcb, (char *)unp, sizeof (*unp))
104 != sizeof (*unp))
105 return;
106 if (unp->unp_addr) {
107 m = &mbuf;
108 if (kvm_read((off_t)unp->unp_addr, (char *)m, sizeof (*m))
109 != sizeof (*m))
110 m = (struct mbuf *)0;
111 sa = (struct sockaddr_un *)(m->m_dat);
112 } else
113 m = (struct mbuf *)0;
114 if (first) {
115 printf("Active UNIX domain sockets\n");
116 printf(
117 "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n",
118 "Address", "Type", "Recv-Q", "Send-Q",
119 "Inode", "Conn", "Refs", "Nextref");
120 first = 0;
121 }
122 printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x",
123 soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc,
124 unp->unp_vnode, unp->unp_conn,
125 unp->unp_refs, unp->unp_nextref);
126 if (m)
127 printf(" %.*s", m->m_len - sizeof(sa->sun_family),
128 sa->sun_path);
129 putchar('\n');
130 }
131