ntp 4.2.8p8. Security: CVE-2016-4957, CVE-2016-4953, CVE-2016-4954 Security: CVE-2016-4955, CVE-2016-4956 Security: FreeBSD-SA-16:24.ntp With hat: so
67 lines
1.5 KiB
Plaintext
67 lines
1.5 KiB
Plaintext
#! @PATH_PERL@
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package ntp_wait;
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use 5.006_000;
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use strict;
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use warnings;
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use lib "@PERLLIBDIR@";
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use NTP::Util qw(ntp_read_vars);
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exit run(@ARGV) unless caller;
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sub run {
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my $opts;
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if (!processOptions(\@_, $opts)) {
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usage(1);
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};
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my $tries = $opts->{tries}; # How many tries before we give up? (10 min+)
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my $sleep = $opts->{sleep}; # Seconds to sleep between tries (6s = 10/min)
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my $verbose = $opts->{verbose}; # Be verbose?
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# Autoflush stdout
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$| = 1;
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print "Waiting for ntpd to synchronize... " if $verbose;
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for my $i (1 .. $tries) {
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my $info = ntp_read_vars(0, []);
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if (!defined $info) {
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print "\bntpd is not running!\n" if $verbose;
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return 1;
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}
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if (!exists $info->{status_line}{leap}) {
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print "\bLeap status not available\n";
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return 1;
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}
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my $leap = $info->{status_line}{leap};
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my $sync = $info->{status_line}{sync};
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if ($leap =~ /(sync|leap)_alarm/) {
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print "\b".(substr "*+:.", $i % 4, 1) if $verbose;
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sleep $sleep if $i < $tries;
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next;
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}
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if ($leap =~ /leap_(none|((add|del)_sec))/) {
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# We could check $sync here to make sure we like the source...
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print "\bOK!\n" if $verbose;
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return 0;
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}
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print "\bUnexpected 'leap' status <$leap>\n";
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return 1;
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}
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print "\bNo!\nntpd did not synchronize.\n" if $verbose;
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return 1;
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}
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@ntp_wait_opts@
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1;
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__END__
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