Annotation of src/usr.bin/netstat/unix.c, Revision 1.1.1.1
1.1 deraadt 1: /* $NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej Exp $ */
2:
3: /*-
4: * Copyright (c) 1983, 1988, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by the University of
18: * California, Berkeley and its contributors.
19: * 4. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: */
35:
36: #ifndef lint
37: #if 0
38: static char sccsid[] = "from: @(#)unix.c 8.1 (Berkeley) 6/6/93";
39: #else
40: static char *rcsid = "$NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej Exp $";
41: #endif
42: #endif /* not lint */
43:
44: /*
45: * Display protocol blocks in the unix domain.
46: */
47: #include <sys/param.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: #define _KERNEL
56: struct uio;
57: struct proc;
58: #include <sys/file.h>
59:
60: #include <netinet/in.h>
61:
62: #include <stdio.h>
63: #include <stdlib.h>
64: #include <kvm.h>
65: #include "netstat.h"
66:
67: static void unixdomainpr __P((struct socket *, caddr_t));
68:
69: static struct file *file, *fileNFILE;
70: static int nfiles;
71: extern kvm_t *kvmd;
72:
73: void
74: unixpr(off)
75: u_long off;
76: {
77: register struct file *fp;
78: struct socket sock, *so = &sock;
79: char *filebuf;
80: struct protosw *unixsw = (struct protosw *)off;
81:
82: filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles);
83: if (filebuf == 0) {
84: printf("Out of memory (file table).\n");
85: return;
86: }
87: file = (struct file *)(filebuf + sizeof(fp));
88: fileNFILE = file + nfiles;
89: for (fp = file; fp < fileNFILE; fp++) {
90: if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET)
91: continue;
92: if (kread((u_long)fp->f_data, (char *)so, sizeof (*so)))
93: continue;
94: /* kludge */
95: if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2)
96: if (so->so_pcb)
97: unixdomainpr(so, fp->f_data);
98: }
99: }
100:
101: static char *socktype[] =
102: { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
103:
104: static void
105: unixdomainpr(so, soaddr)
106: register struct socket *so;
107: caddr_t soaddr;
108: {
109: struct unpcb unpcb, *unp = &unpcb;
110: struct mbuf mbuf, *m;
111: struct sockaddr_un *sa;
112: static int first = 1;
113:
114: if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp)))
115: return;
116: if (unp->unp_addr) {
117: m = &mbuf;
118: if (kread((u_long)unp->unp_addr, (char *)m, sizeof (*m)))
119: m = (struct mbuf *)0;
120: sa = (struct sockaddr_un *)(m->m_dat);
121: } else
122: m = (struct mbuf *)0;
123: if (first) {
124: printf("Active UNIX domain sockets\n");
125: printf(
126: "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n",
127: "Address", "Type", "Recv-Q", "Send-Q",
128: "Inode", "Conn", "Refs", "Nextref");
129: first = 0;
130: }
131: printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x",
132: soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc,
133: unp->unp_vnode, unp->unp_conn,
134: unp->unp_refs, unp->unp_nextref);
135: if (m)
136: printf(" %.*s",
137: m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path)),
138: sa->sun_path);
139: putchar('\n');
140: }
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