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-rw-r--r--usr.bin/netstat/ns.c351
1 files changed, 351 insertions, 0 deletions
diff --git a/usr.bin/netstat/ns.c b/usr.bin/netstat/ns.c
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+++ b/usr.bin/netstat/ns.c
@@ -0,0 +1,351 @@
+/*
+ * 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[] = "@(#)ns.c 8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+
+#include <sys/param.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 <netns/ns.h>
+#include <netns/ns_pcb.h>
+#include <netns/idp.h>
+#include <netns/idp_var.h>
+#include <netns/ns_error.h>
+#include <netns/sp.h>
+#include <netns/spidp.h>
+#include <netns/spp_timer.h>
+#include <netns/spp_var.h>
+#define SANAMES
+#include <netns/spp_debug.h>
+
+#include <nlist.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include "netstat.h"
+
+struct nspcb nspcb;
+struct sppcb sppcb;
+struct socket sockb;
+
+static char *ns_prpr __P((struct ns_addr *));
+static void ns_erputil __P((int, int));
+
+static int first = 1;
+
+/*
+ * Print a summary of connections related to a Network Systems
+ * protocol. For SPP, also give state of connection.
+ * Listening processes (aflag) are suppressed unless the
+ * -a (all) flag is specified.
+ */
+
+void
+nsprotopr(off, name)
+ u_long off;
+ char *name;
+{
+ struct nspcb cb;
+ register struct nspcb *prev, *next;
+ int isspp;
+
+ if (off == 0)
+ return;
+ isspp = strcmp(name, "spp") == 0;
+ kread(off, (char *)&cb, sizeof (struct nspcb));
+ nspcb = cb;
+ prev = (struct nspcb *)off;
+ if (nspcb.nsp_next == (struct nspcb *)off)
+ return;
+ for (;nspcb.nsp_next != (struct nspcb *)off; prev = next) {
+ u_long ppcb;
+
+ next = nspcb.nsp_next;
+ kread((u_long)next, (char *)&nspcb, sizeof (nspcb));
+ if (nspcb.nsp_prev != prev) {
+ printf("???\n");
+ break;
+ }
+ if (!aflag && ns_nullhost(nspcb.nsp_faddr) ) {
+ continue;
+ }
+ kread((u_long)nspcb.nsp_socket,
+ (char *)&sockb, sizeof (sockb));
+ ppcb = (u_long) nspcb.nsp_pcb;
+ if (ppcb) {
+ if (isspp) {
+ kread(ppcb, (char *)&sppcb, sizeof (sppcb));
+ } else continue;
+ } else
+ if (isspp) continue;
+ if (first) {
+ printf("Active NS 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(" %-22.22s", ns_prpr(&nspcb.nsp_laddr));
+ printf(" %-22.22s", ns_prpr(&nspcb.nsp_faddr));
+ if (isspp) {
+ extern char *tcpstates[];
+ if (sppcb.s_state >= TCP_NSTATES)
+ printf(" %d", sppcb.s_state);
+ else
+ printf(" %s", tcpstates[sppcb.s_state]);
+ }
+ putchar('\n');
+ prev = next;
+ }
+}
+#define ANY(x,y,z) \
+ ((x) ? printf("\t%d %s%s%s -- %s\n",x,y,plural(x),z,"x") : 0)
+
+/*
+ * Dump SPP statistics structure.
+ */
+void
+spp_stats(off, name)
+ u_long off;
+ char *name;
+{
+ struct spp_istat spp_istat;
+#define sppstat spp_istat.newstats
+
+ if (off == 0)
+ return;
+ kread(off, (char *)&spp_istat, sizeof (spp_istat));
+ printf("%s:\n", name);
+ ANY(spp_istat.nonucn, "connection", " dropped due to no new sockets ");
+ ANY(spp_istat.gonawy, "connection", " terminated due to our end dying");
+ ANY(spp_istat.nonucn, "connection",
+ " dropped due to inability to connect");
+ ANY(spp_istat.noconn, "connection",
+ " dropped due to inability to connect");
+ ANY(spp_istat.notme, "connection",
+ " incompleted due to mismatched id's");
+ ANY(spp_istat.wrncon, "connection", " dropped due to mismatched id's");
+ ANY(spp_istat.bdreas, "packet", " dropped out of sequence");
+ ANY(spp_istat.lstdup, "packet", " duplicating the highest packet");
+ ANY(spp_istat.notyet, "packet", " refused as exceeding allocation");
+ ANY(sppstat.spps_connattempt, "connection", " initiated");
+ ANY(sppstat.spps_accepts, "connection", " accepted");
+ ANY(sppstat.spps_connects, "connection", " established");
+ ANY(sppstat.spps_drops, "connection", " dropped");
+ ANY(sppstat.spps_conndrops, "embryonic connection", " dropped");
+ ANY(sppstat.spps_closed, "connection", " closed (includes drops)");
+ ANY(sppstat.spps_segstimed, "packet", " where we tried to get rtt");
+ ANY(sppstat.spps_rttupdated, "time", " we got rtt");
+ ANY(sppstat.spps_delack, "delayed ack", " sent");
+ ANY(sppstat.spps_timeoutdrop, "connection", " dropped in rxmt timeout");
+ ANY(sppstat.spps_rexmttimeo, "retransmit timeout", "");
+ ANY(sppstat.spps_persisttimeo, "persist timeout", "");
+ ANY(sppstat.spps_keeptimeo, "keepalive timeout", "");
+ ANY(sppstat.spps_keepprobe, "keepalive probe", " sent");
+ ANY(sppstat.spps_keepdrops, "connection", " dropped in keepalive");
+ ANY(sppstat.spps_sndtotal, "total packet", " sent");
+ ANY(sppstat.spps_sndpack, "data packet", " sent");
+ ANY(sppstat.spps_sndbyte, "data byte", " sent");
+ ANY(sppstat.spps_sndrexmitpack, "data packet", " retransmitted");
+ ANY(sppstat.spps_sndrexmitbyte, "data byte", " retransmitted");
+ ANY(sppstat.spps_sndacks, "ack-only packet", " sent");
+ ANY(sppstat.spps_sndprobe, "window probe", " sent");
+ ANY(sppstat.spps_sndurg, "packet", " sent with URG only");
+ ANY(sppstat.spps_sndwinup, "window update-only packet", " sent");
+ ANY(sppstat.spps_sndctrl, "control (SYN|FIN|RST) packet", " sent");
+ ANY(sppstat.spps_sndvoid, "request", " to send a non-existant packet");
+ ANY(sppstat.spps_rcvtotal, "total packet", " received");
+ ANY(sppstat.spps_rcvpack, "packet", " received in sequence");
+ ANY(sppstat.spps_rcvbyte, "byte", " received in sequence");
+ ANY(sppstat.spps_rcvbadsum, "packet", " received with ccksum errs");
+ ANY(sppstat.spps_rcvbadoff, "packet", " received with bad offset");
+ ANY(sppstat.spps_rcvshort, "packet", " received too short");
+ ANY(sppstat.spps_rcvduppack, "duplicate-only packet", " received");
+ ANY(sppstat.spps_rcvdupbyte, "duplicate-only byte", " received");
+ ANY(sppstat.spps_rcvpartduppack, "packet", " with some duplicate data");
+ ANY(sppstat.spps_rcvpartdupbyte, "dup. byte", " in part-dup. packet");
+ ANY(sppstat.spps_rcvoopack, "out-of-order packet", " received");
+ ANY(sppstat.spps_rcvoobyte, "out-of-order byte", " received");
+ ANY(sppstat.spps_rcvpackafterwin, "packet", " with data after window");
+ ANY(sppstat.spps_rcvbyteafterwin, "byte", " rcvd after window");
+ ANY(sppstat.spps_rcvafterclose, "packet", " rcvd after 'close'");
+ ANY(sppstat.spps_rcvwinprobe, "rcvd window probe packet", "");
+ ANY(sppstat.spps_rcvdupack, "rcvd duplicate ack", "");
+ ANY(sppstat.spps_rcvacktoomuch, "rcvd ack", " for unsent data");
+ ANY(sppstat.spps_rcvackpack, "rcvd ack packet", "");
+ ANY(sppstat.spps_rcvackbyte, "byte", " acked by rcvd acks");
+ ANY(sppstat.spps_rcvwinupd, "rcvd window update packet", "");
+}
+#undef ANY
+#define ANY(x,y,z) ((x) ? printf("\t%d %s%s%s\n",x,y,plural(x),z) : 0)
+
+/*
+ * Dump IDP statistics structure.
+ */
+void
+idp_stats(off, name)
+ u_long off;
+ char *name;
+{
+ struct idpstat idpstat;
+
+ if (off == 0)
+ return;
+ kread(off, (char *)&idpstat, sizeof (idpstat));
+ printf("%s:\n", name);
+ ANY(idpstat.idps_toosmall, "packet", " smaller than a header");
+ ANY(idpstat.idps_tooshort, "packet", " smaller than advertised");
+ ANY(idpstat.idps_badsum, "packet", " with bad checksums");
+}
+
+static struct {
+ u_short code;
+ char *name;
+ char *where;
+} ns_errnames[] = {
+ {0, "Unspecified Error", " at Destination"},
+ {1, "Bad Checksum", " at Destination"},
+ {2, "No Listener", " at Socket"},
+ {3, "Packet", " Refused due to lack of space at Destination"},
+ {01000, "Unspecified Error", " while gatewayed"},
+ {01001, "Bad Checksum", " while gatewayed"},
+ {01002, "Packet", " forwarded too many times"},
+ {01003, "Packet", " too large to be forwarded"},
+ {-1, 0, 0},
+};
+
+/*
+ * Dump NS Error statistics structure.
+ */
+/*ARGSUSED*/
+void
+nserr_stats(off, name)
+ u_long off;
+ char *name;
+{
+ struct ns_errstat ns_errstat;
+ register int j;
+ register int histoprint = 1;
+ int z;
+
+ if (off == 0)
+ return;
+ kread(off, (char *)&ns_errstat, sizeof (ns_errstat));
+ printf("NS error statistics:\n");
+ ANY(ns_errstat.ns_es_error, "call", " to ns_error");
+ ANY(ns_errstat.ns_es_oldshort, "error",
+ " ignored due to insufficient addressing");
+ ANY(ns_errstat.ns_es_oldns_err, "error request",
+ " in response to error packets");
+ ANY(ns_errstat.ns_es_tooshort, "error packet",
+ " received incomplete");
+ ANY(ns_errstat.ns_es_badcode, "error packet",
+ " received of unknown type");
+ for(j = 0; j < NS_ERR_MAX; j ++) {
+ z = ns_errstat.ns_es_outhist[j];
+ if (z && histoprint) {
+ printf("Output Error Histogram:\n");
+ histoprint = 0;
+ }
+ ns_erputil(z, ns_errstat.ns_es_codes[j]);
+
+ }
+ histoprint = 1;
+ for(j = 0; j < NS_ERR_MAX; j ++) {
+ z = ns_errstat.ns_es_inhist[j];
+ if (z && histoprint) {
+ printf("Input Error Histogram:\n");
+ histoprint = 0;
+ }
+ ns_erputil(z, ns_errstat.ns_es_codes[j]);
+ }
+}
+
+static void
+ns_erputil(z, c)
+ int z, c;
+{
+ int j;
+ char codebuf[30];
+ char *name, *where;
+
+ for(j = 0;; j ++) {
+ if ((name = ns_errnames[j].name) == 0)
+ break;
+ if (ns_errnames[j].code == c)
+ break;
+ }
+ if (name == 0) {
+ if (c > 01000)
+ where = "in transit";
+ else
+ where = "at destination";
+ sprintf(codebuf, "Unknown XNS error code 0%o", c);
+ name = codebuf;
+ } else
+ where = ns_errnames[j].where;
+ ANY(z, name, where);
+}
+
+static struct sockaddr_ns ssns = {AF_NS};
+
+static
+char *ns_prpr(x)
+ struct ns_addr *x;
+{
+ struct sockaddr_ns *sns = &ssns;
+
+ sns->sns_addr = *x;
+ return(ns_print((struct sockaddr *)sns));
+}
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