initial import of NetBSD tree

1 files changed, 140 insertions, 0 deletions

diff --git a/usr.bin/netstat/unix.c b/usr.bin/netstat/unix.c
new file mode 100644
index 00000000000..6b6388b5b4e
--- /dev/null
+++ b/usr.bin/netstat/unix.c
@@ -0,0 +1,140 @@
+/*	$NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej Exp $	*/
+
+/*-
+ * Copyright (c) 1983, 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "from: @(#)unix.c	8.1 (Berkeley) 6/6/93";
+#else
+static char *rcsid = "$NetBSD: unix.c,v 1.13 1995/10/03 21:42:48 thorpej Exp $";
+#endif
+#endif /* not lint */
+
+/*
+ * Display protocol blocks in the unix domain.
+ */
+#include <sys/param.h>
+#include <sys/protosw.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+#include <sys/mbuf.h>
+#include <sys/sysctl.h>
+#include <sys/un.h>
+#include <sys/unpcb.h>
+#define _KERNEL
+struct uio;
+struct proc;
+#include <sys/file.h>
+
+#include <netinet/in.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <kvm.h>
+#include "netstat.h"
+
+static	void unixdomainpr __P((struct socket *, caddr_t));
+
+static struct	file *file, *fileNFILE;
+static int	nfiles;
+extern	kvm_t *kvmd;
+
+void
+unixpr(off)
+	u_long	off;
+{
+	register struct file *fp;
+	struct socket sock, *so = &sock;
+	char *filebuf;
+	struct protosw *unixsw = (struct protosw *)off;
+
+	filebuf = (char *)kvm_getfiles(kvmd, KERN_FILE, 0, &nfiles);
+	if (filebuf == 0) {
+		printf("Out of memory (file table).\n");
+		return;
+	}
+	file = (struct file *)(filebuf + sizeof(fp));
+	fileNFILE = file + nfiles;
+	for (fp = file; fp < fileNFILE; fp++) {
+		if (fp->f_count == 0 || fp->f_type != DTYPE_SOCKET)
+			continue;
+		if (kread((u_long)fp->f_data, (char *)so, sizeof (*so)))
+			continue;
+		/* kludge */
+		if (so->so_proto >= unixsw && so->so_proto <= unixsw + 2)
+			if (so->so_pcb)
+				unixdomainpr(so, fp->f_data);
+	}
+}
+
+static	char *socktype[] =
+    { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" };
+
+static void
+unixdomainpr(so, soaddr)
+	register struct socket *so;
+	caddr_t soaddr;
+{
+	struct unpcb unpcb, *unp = &unpcb;
+	struct mbuf mbuf, *m;
+	struct sockaddr_un *sa;
+	static int first = 1;
+
+	if (kread((u_long)so->so_pcb, (char *)unp, sizeof (*unp)))
+		return;
+	if (unp->unp_addr) {
+		m = &mbuf;
+		if (kread((u_long)unp->unp_addr, (char *)m, sizeof (*m)))
+			m = (struct mbuf *)0;
+		sa = (struct sockaddr_un *)(m->m_dat);
+	} else
+		m = (struct mbuf *)0;
+	if (first) {
+		printf("Active UNIX domain sockets\n");
+		printf(
+"%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n",
+		    "Address", "Type", "Recv-Q", "Send-Q",
+		    "Inode", "Conn", "Refs", "Nextref");
+		first = 0;
+	}
+	printf("%8x %-6.6s %6d %6d %8x %8x %8x %8x",
+	    soaddr, socktype[so->so_type], so->so_rcv.sb_cc, so->so_snd.sb_cc,
+	    unp->unp_vnode, unp->unp_conn,
+	    unp->unp_refs, unp->unp_nextref);
+	if (m)
+		printf(" %.*s",
+		    m->m_len - (int)(sizeof(*sa) - sizeof(sa->sun_path)),
+		    sa->sun_path);
+	putchar('\n');
+}