1 /*-
2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * %sccs.include.redist.c%
6 */
7
8 #ifndef lint
9 static char sccsid[] = "@(#)unix.c 8.1 (Berkeley) 06/06/93";
10 #endif /* not lint */
11
12 /*
13 * Display protocol blocks in the unix domain.
14 */
15 #include <kvm.h>
16 #include <sys/param.h>
17 #include <sys/protosw.h>
18 #include <sys/socket.h>
19 #include <sys/socketvar.h>
20 #include <sys/mbuf.h>
21 #include <sys/sysctl.h>
22 #include <sys/un.h>
23 #include <sys/unpcb.h>
24 #define KERNEL
25 struct uio;
26 struct proc;
27 #include <sys/file.h>
28
29 #include <netinet/in.h>
30
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include "netstat.h"
34
35 static void unixdomainpr __P((struct socket *, caddr_t));
36
37 static struct file *file, *fileNFILE;
38 static int nfiles;
39 extern kvm_t *kvmd;
40
41 void
unixpr(off)42 unixpr(off)
43 u_long off;
44 {
45 register struct file *fp;
46 struct socket sock, *so = &sock;
47 char *filebuf;
48 struct protosw *unixsw = (struct protosw *)off;
49
50 filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles);
51 if (filebuf == 0) {
52 printf("Out of memory (file table).\n");
53 return;
54 }
55 file = (struct file *)(filebuf + sizeof(fp));
56 fileNFILE = file + nfiles;
57 for (fp = file; fp < fileNFILE; fp++) {
58 if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET)
59 continue;
60 if (kread((u_long)fp->f_data, (char *)so, sizeof (*so)))
61 continue;
62 /* kludge */
63 if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2)
64 if (so->so_pcb)
65 unixdomainpr(so, fp->f_data);
66 }
67 }
68
69 static char *socktype[] =
70 { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
71
72 static void
unixdomainpr(so,soaddr)73 unixdomainpr(so, soaddr)
74 register struct socket *so;
75 caddr_t soaddr;
76 {
77 struct unpcb unpcb, *unp = &unpcb;
78 struct mbuf mbuf, *m;
79 struct sockaddr_un *sa;
80 static int first = 1;
81
82 if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp)))
83 return;
84 if (unp->unp_addr) {
85 m = &mbuf;
86 if (kread((u_long)unp->unp_addr, (char *)m, sizeof (*m)))
87 m = (struct mbuf *)0;
88 sa = (struct sockaddr_un *)(m->m_dat);
89 } else
90 m = (struct mbuf *)0;
91 if (first) {
92 printf("Active UNIX domain sockets\n");
93 printf(
94 "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n",
95 "Address", "Type", "Recv-Q", "Send-Q",
96 "Inode", "Conn", "Refs", "Nextref");
97 first = 0;
98 }
99 printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x",
100 soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc,
101 unp->unp_vnode, unp->unp_conn,
102 unp->unp_refs, unp->unp_nextref);
103 if (m)
104 printf(" %.*s",
105 m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path)),
106 sa->sun_path);
107 putchar('\n');
108 }
109