2 * Copyright (c) 1980, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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36 static char sccsid[] = "@(#)netcmds.c 8.1 (Berkeley) 6/6/93";
38 static const char rcsid[] =
39 "$FreeBSD: src/usr.bin/systat/netcmds.c,v 1.9 1999/08/28 01:06:04 peter Exp $";
43 * Common network command support routines.
45 #include <sys/param.h>
46 #include <sys/queue.h>
47 #include <sys/socket.h>
48 #include <sys/socketvar.h>
49 #include <sys/protosw.h>
51 #include <net/route.h>
52 #include <netinet/in.h>
53 #include <netinet/in_systm.h>
54 #include <netinet/ip.h>
55 #include <netinet/in_pcb.h>
56 #include <arpa/inet.h>
65 #define streq(a,b) (strcmp(a,b)==0)
72 int nports, nhosts, protos;
74 static void changeitems __P((char *, int));
75 static int selectproto __P((char *));
76 static void showprotos __P((void));
77 static int selectport __P((long, int));
78 static void showports __P((void));
79 static int selecthost __P((struct in_addr *, int));
80 static void showhosts __P((void));
87 if (prefix(cmd, "proto")) {
91 addstr("which proto?");
92 } else if (!selectproto(args)) {
93 error("%s: Unknown protocol.", args);
97 if (prefix(cmd, "ignore") || prefix(cmd, "display")) {
98 changeitems(args, prefix(cmd, "display"));
101 if (prefix(cmd, "reset")) {
107 if (prefix(cmd, "show")) {
108 move(CMDLINE, 0); clrtoeol();
115 if (prefix(args, "protos"))
117 else if (prefix(args, "hosts"))
119 else if (prefix(args, "ports"))
122 addstr("show what?");
130 changeitems(args, onoff)
140 cp = index(args, '\n');
144 for (cp = args; *cp && isspace(*cp); cp++)
147 for (; *cp && !isspace(*cp); cp++)
153 sp = getservbyname(args,
154 protos == TCP ? "tcp" : protos == UDP ? "udp" : 0);
156 selectport(sp->s_port, onoff);
159 hp = gethostbyname(args);
161 in.s_addr = inet_addr(args);
162 if (in.s_addr == -1) {
163 error("%s: unknown host or port", args);
167 in = *(struct in_addr *)hp->h_addr;
168 selecthost(&in, onoff);
177 if (proto == 0 || streq(proto, "all"))
179 else if (streq(proto, "tcp"))
181 else if (streq(proto, "udp"))
193 if ((protos&TCP) == 0)
196 if ((protos&UDP) == 0)
201 static struct pitem {
207 selectport(port, onoff)
211 register struct pitem *p;
216 free((char *)ports), ports = 0;
220 for (p = ports; p < ports+nports; p++)
221 if (p->port == port) {
226 ports = (struct pitem *)malloc(sizeof (*p));
228 ports = (struct pitem *)realloc(ports, (nports+1)*sizeof (*p));
229 p = &ports[nports++];
237 register struct inpcb *inp;
239 register struct pitem *p;
242 for (p = ports; p < ports+nports; p++)
243 if (p->port == inp->inp_lport || p->port == inp->inp_fport)
251 register struct pitem *p;
254 for (p = ports; p < ports+nports; p++) {
255 sp = getservbyport(p->port,
256 protos == TCP|UDP ? 0 : protos == TCP ? "tcp" : "udp");
260 printw("%s ", sp->s_name);
262 printw("%d ", p->port);
267 selecthost(in, onoff)
271 register struct hitem *p;
276 free((char *)hosts), hosts = 0;
280 for (p = hosts; p < hosts+nhosts; p++)
281 if (p->addr.s_addr == in->s_addr) {
286 hosts = (struct hitem *)malloc(sizeof (*p));
288 hosts = (struct hitem *)realloc(hosts, (nhosts+1)*sizeof (*p));
289 p = &hosts[nhosts++];
297 register struct inpcb *inp;
299 register struct hitem *p;
302 for (p = hosts; p < hosts+nhosts; p++)
303 if (p->addr.s_addr == inp->inp_laddr.s_addr ||
304 p->addr.s_addr == inp->inp_faddr.s_addr)
312 register struct hitem *p;
315 for (p = hosts; p < hosts+nhosts; p++) {
316 hp = gethostbyaddr((char *)&p->addr, sizeof (p->addr), AF_INET);
319 printw("%s ", hp ? hp->h_name : (char *)inet_ntoa(p->addr));