Annotation of src/usr.bin/netstat/unix.c, Revision 1.12
1.12 ! jaredy 1: /* $OpenBSD: unix.c,v 1.11 2004/03/13 22:02:13 deraadt Exp $ */
1.1 deraadt 2: /* $NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej Exp $ */
3:
4: /*-
5: * Copyright (c) 1983, 1988, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
1.10 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #ifndef lint
34: #if 0
35: static char sccsid[] = "from: @(#)unix.c 8.1 (Berkeley) 6/6/93";
36: #else
1.12 ! jaredy 37: static char *rcsid = "$OpenBSD: unix.c,v 1.11 2004/03/13 22:02:13 deraadt Exp $";
1.1 deraadt 38: #endif
39: #endif /* not lint */
40:
41: /*
42: * Display protocol blocks in the unix domain.
43: */
44: #include <sys/param.h>
45: #include <sys/protosw.h>
46: #include <sys/socket.h>
47: #include <sys/socketvar.h>
48: #include <sys/mbuf.h>
49: #include <sys/sysctl.h>
50: #include <sys/un.h>
51: #include <sys/unpcb.h>
52: #define _KERNEL
53: struct uio;
54: struct proc;
55: #include <sys/file.h>
56:
57: #include <netinet/in.h>
58:
1.5 millert 59: #include <limits.h>
1.1 deraadt 60: #include <stdio.h>
61: #include <stdlib.h>
62: #include <kvm.h>
63: #include "netstat.h"
64:
1.8 millert 65: static void unixdomainpr(struct socket *, caddr_t);
1.1 deraadt 66:
67: static struct file *file, *fileNFILE;
68: static int nfiles;
69: extern kvm_t *kvmd;
70:
71: void
1.9 deraadt 72: unixpr(u_long off)
1.1 deraadt 73: {
1.7 mpech 74: struct file *fp;
1.1 deraadt 75: struct socket sock, *so = &sock;
76: char *filebuf;
77: struct protosw *unixsw = (struct protosw *)off;
78:
1.12 ! jaredy 79: filebuf = kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles);
1.11 deraadt 80: if (filebuf == NULL) {
1.1 deraadt 81: printf("Out of memory (file table).\n");
82: return;
83: }
84: file = (struct file *)(filebuf + sizeof(fp));
85: fileNFILE = file + nfiles;
86: for (fp = file; fp < fileNFILE; fp++) {
87: if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET)
88: continue;
1.12 ! jaredy 89: if (kread((u_long)fp->f_data, so, sizeof (*so)))
1.1 deraadt 90: continue;
91: /* kludge */
92: if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2)
93: if (so->so_pcb)
94: unixdomainpr(so, fp->f_data);
95: }
96: }
97:
98: static char *socktype[] =
99: { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
100:
101: static void
1.9 deraadt 102: unixdomainpr(struct socket *so, caddr_t soaddr)
1.1 deraadt 103: {
104: struct unpcb unpcb, *unp = &unpcb;
105: struct mbuf mbuf, *m;
1.6 itojun 106: struct sockaddr_un *sa = NULL;
1.1 deraadt 107: static int first = 1;
108:
1.12 ! jaredy 109: if (kread((u_long)so->so_pcb, unp, sizeof (*unp)))
1.1 deraadt 110: return;
111: if (unp->unp_addr) {
112: m = &mbuf;
1.12 ! jaredy 113: if (kread((u_long)unp->unp_addr, m, sizeof (*m)))
1.11 deraadt 114: m = NULL;
1.1 deraadt 115: sa = (struct sockaddr_un *)(m->m_dat);
116: } else
1.11 deraadt 117: m = NULL;
1.1 deraadt 118: if (first) {
119: printf("Active UNIX domain sockets\n");
1.11 deraadt 120: printf("%-*.*s %-6.6s %-6.6s %-6.6s %*.*s %*.*s %*.*s %*.*s Addr\n",
1.5 millert 121: PLEN, PLEN, "Address", "Type", "Recv-Q", "Send-Q",
122: PLEN, PLEN, "Inode", PLEN, PLEN, "Conn",
123: PLEN, PLEN, "Refs", PLEN, PLEN, "Nextref");
1.1 deraadt 124: first = 0;
125: }
1.5 millert 126: printf("%*p %-6.6s %6ld %6ld %*p %*p %*p %*p",
127: PLEN, soaddr, socktype[so->so_type], so->so_rcv.sb_cc,
128: so->so_snd.sb_cc, PLEN, unp->unp_vnode, PLEN, unp->unp_conn,
129: PLEN, unp->unp_refs, PLEN, unp->unp_nextref);
1.1 deraadt 130: if (m)
131: printf(" %.*s",
1.6 itojun 132: (int)(m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path))),
1.1 deraadt 133: sa->sun_path);
134: putchar('\n');
135: }
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