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3 * The Regents of the University of California. All rights reserved.
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15 * This product includes software developed by the University of
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33 * @(#)netcmds.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/systat/netcmds.c,v 1.9 1999/08/28 01:06:04 peter Exp $
38 * Common network command support routines.
40 #include <sys/param.h>
41 #include <sys/queue.h>
42 #include <sys/socket.h>
43 #include <sys/socketvar.h>
44 #include <sys/protosw.h>
46 #include <net/route.h>
47 #include <netinet/in.h>
48 #include <netinet/in_systm.h>
49 #include <netinet/ip.h>
50 #include <netinet/in_pcb.h>
51 #include <arpa/inet.h>
60 #define streq(a,b) (strcmp(a,b)==0)
67 int nports, nhosts, protos;
69 static void changeitems(char *, int);
70 static int selectproto(char *);
71 static void showprotos(void);
72 static int selectport(long, int);
73 static void showports(void);
74 static int selecthost(struct in_addr *, int);
75 static void showhosts(void);
78 netcmd(const char *cmd, char *args)
81 if (prefix(cmd, "proto")) {
85 addstr("which proto?");
86 } else if (!selectproto(args)) {
87 error("%s: Unknown protocol.", args);
91 if (prefix(cmd, "ignore") || prefix(cmd, "display")) {
92 changeitems(args, prefix(cmd, "display"));
95 if (prefix(cmd, "reset")) {
101 if (prefix(cmd, "show")) {
102 move(CMDLINE, 0); clrtoeol();
109 if (prefix(args, "protos"))
111 else if (prefix(args, "hosts"))
113 else if (prefix(args, "ports"))
116 addstr("show what?");
124 changeitems(char *args, int onoff)
131 cp = strchr(args, '\n');
135 for (cp = args; *cp && isspace(*cp); cp++)
138 for (; *cp && !isspace(*cp); cp++)
144 sp = getservbyname(args,
145 protos == TCP ? "tcp" : protos == UDP ? "udp" : 0);
147 selectport(sp->s_port, onoff);
150 hp = gethostbyname(args);
152 in.s_addr = inet_addr(args);
153 if ((int)in.s_addr == -1) {
154 error("%s: unknown host or port", args);
158 in = *(struct in_addr *)hp->h_addr;
159 selecthost(&in, onoff);
164 selectproto(char *proto)
167 if (proto == NULL || streq(proto, "all"))
169 else if (streq(proto, "tcp"))
171 else if (streq(proto, "udp"))
183 if ((protos&TCP) == 0)
186 if ((protos&UDP) == 0)
191 static struct pitem {
197 selectport(long port, int onoff)
204 free((char *)ports), ports = NULL;
208 for (p = ports; p < ports+nports; p++)
209 if (p->port == port) {
214 ports = (struct pitem *)malloc(sizeof (*p));
216 ports = (struct pitem *)realloc(ports, (nports+1)*sizeof (*p));
217 p = &ports[nports++];
224 checkport(struct inpcb *inp)
229 for (p = ports; p < ports+nports; p++) {
230 if (p->port == inp->inp_lport ||
231 p->port == inp->inp_fport)
243 for (p = ports; p < ports+nports; p++) {
244 sp = getservbyport(p->port,
245 protos == (TCP|UDP) ? 0 : protos == TCP ? "tcp" : "udp");
249 printw("%s ", sp->s_name);
251 printw("%d ", p->port);
256 selecthost(struct in_addr *in, int onoff)
263 free((char *)hosts), hosts = NULL;
267 for (p = hosts; p < hosts+nhosts; p++)
268 if (p->addr.s_addr == in->s_addr) {
273 hosts = (struct hitem *)malloc(sizeof (*p));
275 hosts = (struct hitem *)realloc(hosts, (nhosts+1)*sizeof (*p));
276 p = &hosts[nhosts++];
283 checkhost(struct inpcb *inp)
288 for (p = hosts; p < hosts+nhosts; p++) {
289 if (p->addr.s_addr == inp->inp_laddr.s_addr ||
290 p->addr.s_addr == inp->inp_faddr.s_addr)
302 for (p = hosts; p < hosts+nhosts; p++) {
303 hp = gethostbyaddr(&p->addr, sizeof (p->addr), AF_INET);
306 printw("%s ", hp ? hp->h_name : (char *)inet_ntoa(p->addr));