Could I ask what your use-case is?
-E
On Fri, Aug 24, 2012 at 01:41:21PM +0200, Patrick Wildt wrote:
> the diff below adds an option to the ntpd(8), which has him provide
> time, even though he's not synced.
>
> ok?
>
> Index: ntpd.8
> ===================================================================
> RCS file: /cvs/src/usr.sbin/ntpd/ntpd.8,v
> retrieving revision 1.31
> diff -u -r1.31 ntpd.8
> --- ntpd.8 17 Sep 2011 10:22:00 -0000 1.31
> +++ ntpd.8 24 Aug 2012 11:17:17 -0000
> @@ -23,7 +23,7 @@
> .Sh SYNOPSIS
> .Nm ntpd
> .Bk -words
> -.Op Fl dnSsv
> +.Op Fl dinSsv
> .Op Fl f Ar file
> .Ek
> .Sh DESCRIPTION
> @@ -47,6 +47,9 @@
> .Nm
> will run in the foreground and log to
> .Em stderr .
> +.It Fl i
> +Provide time, even though the time is
> +not synced.
> .It Fl f Ar file
> Use
> .Ar file
> Index: ntpd.c
> ===================================================================
> RCS file: /cvs/src/usr.sbin/ntpd/ntpd.c,v
> retrieving revision 1.69
> diff -u -r1.69 ntpd.c
> --- ntpd.c 19 Mar 2011 23:40:11 -0000 1.69
> +++ ntpd.c 24 Aug 2012 11:17:17 -0000
> @@ -73,7 +73,7 @@
> {
> extern char *__progname;
>
> - fprintf(stderr, "usage: %s [-dnSsv] [-f file]\n", __progname);
> + fprintf(stderr, "usage: %s [-dinSsv] [-f file]\n", __progname);
> exit(1);
> }
>
> @@ -97,13 +97,16 @@
>
> log_init(1); /* log to stderr until daemonized */
>
> - while ((ch = getopt(argc, argv, "df:nsSv")) != -1) {
> + while ((ch = getopt(argc, argv, "df:insSv")) != -1) {
> switch (ch) {
> case 'd':
> lconf.debug = 1;
> break;
> case 'f':
> conffile = optarg;
> + break;
> + case 'i':
> + lconf.ignore_sync = 1;
> break;
> case 'n':
> lconf.noaction = 1;
> Index: ntpd.h
> ===================================================================
> RCS file: /cvs/src/usr.sbin/ntpd/ntpd.h,v
> retrieving revision 1.105
> diff -u -r1.105 ntpd.h
> --- ntpd.h 21 Sep 2011 16:38:05 -0000 1.105
> +++ ntpd.h 24 Aug 2012 11:17:17 -0000
> @@ -180,6 +180,7 @@
> u_int8_t debug;
> u_int8_t noaction;
> u_int8_t filters;
> + u_int8_t ignore_sync;
> };
>
> enum imsg_type {
> Index: server.c
> ===================================================================
> RCS file: /cvs/src/usr.sbin/ntpd/server.c,v
> retrieving revision 1.36
> diff -u -r1.36 server.c
> --- server.c 21 Sep 2011 15:41:30 -0000 1.36
> +++ server.c 24 Aug 2012 11:17:17 -0000
> @@ -188,7 +188,7 @@
> version = (query.status & VERSIONMASK) >> 3;
>
> bzero(&reply, sizeof(reply));
> - if (lconf->status.synced)
> + if (lconf->status.synced || lconf->ignore_sync)
> reply.status = lconf->status.leap;
> else
> reply.status = LI_ALARM;
> @@ -200,7 +200,9 @@
> else /* ignore packets of different type (e.g. bcast) */
> return (0);
>
> - reply.stratum = lconf->status.stratum;
> + /* set stratum to 10 when we're not synced but still provide time */
> + reply.stratum = (lconf->status.synced || !lconf->ignore_sync) ?
> + lconf->status.stratum : 10;
> reply.ppoll = query.ppoll;
> reply.precision = lconf->status.precision;
> reply.rectime = d_to_lfp(rectime);
