int
netcmd(const char *cmd, char *args)
{
if (prefix(cmd, "proto")) {
if (*args == '\0') {
move(CMDLINE, 0);
clrtoeol();
addstr("which proto?");
} else if (!selectproto(args)) {
error("%s: Unknown protocol.", args);
}
return (1);
}
if (prefix(cmd, "ignore") || prefix(cmd, "display")) {
changeitems(args, prefix(cmd, "display"));
return (1);
}
if (prefix(cmd, "reset")) {
selectproto(0);
selecthost(0, 0);
selectport(-1, 0);
return (1);
}
if (prefix(cmd, "show")) {
move(CMDLINE, 0); clrtoeol();
if (*args == '\0') {
showprotos();
showhosts();
showports();
return (1);
}
if (prefix(args, "protos"))
showprotos();
else if (prefix(args, "hosts"))
showhosts();
else if (prefix(args, "ports"))
showports();
else
addstr("show what?");
return (1);
}
return (0);
}
static void
changeitems(const char *args, int onoff)
{
char *cp, *tmpstr, *tmpstr1;
struct servent *sp;
struct hostent *hp;
struct in_addr in;
tmpstr = tmpstr1 = strdup(args);
cp = strchr(tmpstr1, '\n');
if (cp)
*cp = '\0';
for (;;tmpstr1 = cp) {
for (cp = tmpstr1; *cp && isspace(*cp); cp++)
;
tmpstr1 = cp;
for (; *cp && !isspace(*cp); cp++)
;
if (*cp)
*cp++ = '\0';
if (cp - tmpstr1 == 0)
break;
sp = getservbyname(tmpstr1,
protos == TCP ? "tcp" : protos == UDP ? "udp" : 0);
if (sp) {
selectport(sp->s_port, onoff);
continue;
}
hp = gethostbyname(tmpstr1);
if (hp == 0) {
in.s_addr = inet_addr(tmpstr1);
if ((int)in.s_addr == -1) {
error("%s: unknown host or port", tmpstr1);
continue;
}
} else
in = *(struct in_addr *)hp->h_addr;
selecthost(&in, onoff);
}
free(tmpstr);
}