patches to allow netstat to monitor appletalk sockets openned using the

/sys/netatalk protocol stack

more cleanups and fixes are likely

1 files changed, 154 insertions, 0 deletions

diff --git a/usr.bin/netstat/atalk.c b/usr.bin/netstat/atalk.c
new file mode 100644
index 0000000..c92d4f0
--- /dev/null
+++ b/usr.bin/netstat/atalk.c
@@ -0,0 +1,154 @@
+/*
+ * 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
+static char sccsid[] = "@(#)atalk.c	1.1 (Whistle) 6/6/96";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/queue.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+#include <sys/mbuf.h>
+#include <sys/protosw.h>
+
+#include <net/route.h>
+#include <net/if.h>
+
+#include <netinet/tcp_fsm.h>
+
+#include <netatalk/at.h>
+#include <netatalk/ddp_var.h>
+
+#include <nlist.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include "netstat.h"
+
+struct	ddpcb ddpcb;
+struct	socket sockb;
+
+static void atalk_erputil __P((int, int));
+
+static	int first = 1;
+
+/*
+ * Print a summary of connections related to a Network Systems
+ * protocol.  For XXX, also give state of connection.
+ * Listening processes (aflag) are suppressed unless the
+ * -a (all) flag is specified.
+ */
+
+void
+atalkprotopr(off, name)
+	u_long off;
+	char *name;
+{
+	struct ddpcb cb;
+	register struct ddpcb *prev, *next;
+	struct ddpcb *initial;
+
+	if (off == 0)
+		return;
+	kread(off, (char *)&initial, sizeof (struct ddpcb *));
+	ddpcb = cb;
+	prev = (struct ddpcb *)off;
+	for (next = initial ;next != NULL; prev = next) {
+		u_long ppcb;
+
+		kread((u_long)next, (char *)&ddpcb, sizeof (ddpcb));
+		next = ddpcb.ddp_next;
+#if 0
+		if (!aflag && atalk_nullhost(ddpcb.ddp_lsat) ) {
+			continue;
+		}
+#endif
+		kread((u_long)ddpcb.ddp_socket,
+				(char *)&sockb, sizeof (sockb));
+		if (first) {
+			printf("Active ATALK connections");
+			if (aflag)
+				printf(" (including servers)");
+			putchar('\n');
+			if (Aflag)
+				printf("%-8.8s ", "PCB");
+			printf(Aflag ?
+				"%-5.5s %-6.6s %-6.6s  %-18.18s %-18.18s %s\n" :
+				"%-5.5s %-6.6s %-6.6s  %-22.22s %-22.22s %s\n",
+				"Proto", "Recv-Q", "Send-Q",
+				"Local Address", "Foreign Address", "(state)");
+			first = 0;
+		}
+		if (Aflag)
+			printf("%8x ", ppcb);
+		printf("%-5.5s %6d %6d ", name, sockb.so_rcv.sb_cc,
+			sockb.so_snd.sb_cc);
+		printf(Aflag?" %-18.18s":" %-22.22s", atalk_print(
+					(struct sockaddr *)&ddpcb.ddp_lsat));
+		printf(Aflag?" %-18.18s":" %-22.22s", atalk_print(
+					(struct sockaddr *)&ddpcb.ddp_fsat));
+		putchar('\n');
+	}
+}
+#define ANY(x,y,z) \
+	((x) ? printf("\t%d %s%s%s\n",x,y,plural(x),z) : 0)
+
+/*
+ * Dump DDP statistics structure.
+ */
+void
+ddp_stats(off, name)
+	u_long off;
+	char *name;
+{
+	struct ddpstat ddpstat;
+
+	if (off == 0)
+		return;
+	kread(off, (char *)&ddpstat, sizeof (ddpstat));
+	printf("%s:\n", name);
+	ANY(ddpstat.ddps_short, "packet", " with short headers ");
+	ANY(ddpstat.ddps_long, "packet", " with long headers ");
+	ANY(ddpstat.ddps_nosum, "packet", " with no checksum ");
+	ANY(ddpstat.ddps_tooshort, "packet", " too short ");
+	ANY(ddpstat.ddps_badsum, "packet", " with bad checksum ");
+	ANY(ddpstat.ddps_toosmall, "packet", " with not enough data ");
+	ANY(ddpstat.ddps_forward, "packet", " forwarded ");
+	ANY(ddpstat.ddps_encap, "packet", " encapsulated ");
+	ANY(ddpstat.ddps_cantforward, "packet", " rcvd for unreachable dest ");
+	ANY(ddpstat.ddps_nosockspace, "packet", " dropped due to no socket space ");
+}
+#undef ANY
+
+