diff options
| author | steve <steve@FreeBSD.org> | 1999-01-11 05:27:37 +0000 |
|---|---|---|
| committer | steve <steve@FreeBSD.org> | 1999-01-11 05:27:37 +0000 |
| commit | 710a04e8b4ed8d86aa05f8184e8993e3b202034f (patch) | |
| tree | 1bea41190b199f35aebb65bccdbe81b946fe9df1 /usr.sbin/rwhod | |
| parent | 1bd58206f3f35c7827173a25cf797e7bf1da4137 (diff) | |
| download | FreeBSD-src-710a04e8b4ed8d86aa05f8184e8993e3b202034f.zip FreeBSD-src-710a04e8b4ed8d86aa05f8184e8993e3b202034f.tar.gz | |
Implement the -l commandline option which turns off broadcast of
information, but still allows you to monitor other machines.
PR: 9301
Submitted by: Matthew Fuller <fullermd@futuresouth.com>
Diffstat (limited to 'usr.sbin/rwhod')
| -rw-r--r-- | usr.sbin/rwhod/rwhod.8 | 16 | ||||
| -rw-r--r-- | usr.sbin/rwhod/rwhod.c | 13 |
2 files changed, 24 insertions, 5 deletions
diff --git a/usr.sbin/rwhod/rwhod.8 b/usr.sbin/rwhod/rwhod.8 index f1aa636..8050ca9 100644 --- a/usr.sbin/rwhod/rwhod.8 +++ b/usr.sbin/rwhod/rwhod.8 @@ -40,6 +40,7 @@ .Sh SYNOPSIS .Nm rwhod .Op Fl i +.Op Fl l .Op Fl m Op Ar ttl .Sh DESCRIPTION .Nm Rwhod @@ -54,7 +55,11 @@ or messages on a network. .Pp .Nm Rwhod -operates as both a producer and consumer of status information. +operates as both a producer and consumer of status information, +unless the +.Fl l +(listen mode) option is specified, in which case +it acts as a consumer only. As a producer of information it periodically queries the state of the system and constructs status messages which are broadcasted or multicasted on a network. @@ -71,6 +76,15 @@ option enables insecure mode, which causes to ignore the source port on incoming packets. .Pp The +.Fl l +option enables listen mode, which causes +.Nm +to not broadcast any information. +This allows you to monitor other machines' +.Nm +information, without broadcasting your own. +.Pp +The .Fl m option causes .Nm diff --git a/usr.sbin/rwhod/rwhod.c b/usr.sbin/rwhod/rwhod.c index dcd6def..6b6899f 100644 --- a/usr.sbin/rwhod/rwhod.c +++ b/usr.sbin/rwhod/rwhod.c @@ -42,7 +42,7 @@ static const char copyright[] = static char sccsid[] = "@(#)rwhod.c 8.1 (Berkeley) 6/6/93"; #endif static const char rcsid[] = - "$Id: rwhod.c,v 1.7 1997/10/13 11:27:55 charnier Exp $"; + "$Id: rwhod.c,v 1.8 1998/12/17 11:05:57 des Exp $"; #endif /* not lint */ #include <sys/param.h> @@ -116,6 +116,7 @@ static const char rcsid[] = /* (belongs in protocols/rwhod.h) */ int insecure_mode; +int quiet_mode; int multicast_mode = NO_MULTICAST; int multicast_scope; struct sockaddr_in multicast_addr = { sizeof multicast_addr, AF_INET }; @@ -196,7 +197,9 @@ main(argc, argv) else multicast_mode = PER_INTERFACE_MULTICAST; } else if (strcmp(*argv, "-i") == 0) - insecure_mode = 1; + insecure_mode = 1; + else if (strcmp(*argv, "-l") == 0) + quiet_mode = 1; else usage(); argv++, argc--; @@ -255,8 +258,10 @@ main(argc, argv) setuid(unpriv_uid); if (!configure(s)) exit(1); - signal(SIGALRM, onalrm); - onalrm(0); + if (!quiet_mode) { + signal(SIGALRM, onalrm); + onalrm(0); + } for (;;) { struct whod wd; int cc, whod, len = sizeof(from); |
