diff options
Diffstat (limited to 'etc/rc.d/ntpd')
| -rwxr-xr-x | etc/rc.d/ntpd | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/etc/rc.d/ntpd b/etc/rc.d/ntpd index 3935b29..7f28358 100755 --- a/etc/rc.d/ntpd +++ b/etc/rc.d/ntpd @@ -14,6 +14,8 @@ name="ntpd" rcvar="ntpd_enable" command="/usr/sbin/${name}" pidfile="/var/run/${name}.pid" +extra_commands="fetch" +fetch_cmd="ntpd_fetch_leapfile" start_precmd="ntpd_precmd" load_rc_config $name @@ -30,6 +32,10 @@ ntpd_precmd() return 0; fi + if [ ! -f $ntp_db_leapfile ]; then + ntpd_fetch_leapfile + fi + # If running in a chroot cage, ensure that the appropriate files # exist inside the cage, as well as helper symlinks into the cage # from outside. @@ -44,10 +50,71 @@ ntpd_precmd() ( cd /dev ; /bin/pax -rw -pe clockctl "${ntpd_chrootdir}/dev" ) fi ln -fs "${ntpd_chrootdir}/var/db/ntp.drift" /var/db/ntp.drift + ln -fs "${ntpd_chrootdir}${ntp_tmp_leapfile}" ${ntp_tmp_leapfile} # Change run_rc_commands()'s internal copy of $ntpd_flags # rc_flags="-u ntpd:ntpd -i ${ntpd_chrootdir} $rc_flags" } +current_ntp_ts() { + # Seconds between 1900-01-01 and 1970-01-01 + # echo $(((70*365+17)*86400)) + ntp_to_unix=2208988800 + + echo $(($(date -u +%s)+$ntp_to_unix)) +} + +get_ntp_leapfile_ver() { + expr "$(awk '$1 == "#$" { print $2 }' "$1" 2>/dev/null)" : \ + '^\([1-9][0-9]*\)$' \| 0 +} + +get_ntp_leapfile_expiry() { + expr "$(awk '$1 == "#@" { print $2 }' "$1" 2>/dev/null)" : \ + '^\([1-9][0-9]*\)$' \| 0 +} + +ntpd_fetch_leapfile() { + local ntp_tmp_leapfile rc verbose + + if checkyesno ntp_leapfile_fetch_verbose; then + verbose=echo + else + verbose=: + fi + + ntp_tmp_leapfile="/var/run/ntpd.leap-seconds.list" + + ntp_ver_no_src=$(get_ntp_leapfile_ver $ntp_src_leapfile) + ntp_ver_no_db=$(get_ntp_leapfile_ver $ntp_db_leapfile) + $verbose ntp_src_leapfile version is $ntp_ver_no_src + $verbose ntp_db_leapfile version is $ntp_ver_no_db + + if [ "$ntp_ver_no_src" -gt "$ntp_ver_no_db" ]; then + $verbose replacing $ntp_db_leapfile with $ntp_src_leapfile + cp -p $ntp_src_leapfile $ntp_db_leapfile + ntp_ver_no_db=$ntp_ver_no_src + else + $verbose not replacing $ntp_db_leapfile with $ntp_src_leapfile + fi + ntp_leap_expiry=$(get_ntp_leapfile_expiry $ntp_db_leapfile) + ntp_leapfile_expiry_seconds=$((ntp_leapfile_expiry_days*86400)) + ntp_leap_fetch_date=$((ntp_leap_expiry-ntp_leapfile_expiry_seconds)) + if [ $(current_ntp_ts) -ge $ntp_leap_fetch_date ]; then + $verbose Within ntp leapfile expiry limit, initiating fetch + for url in $ntp_leapfile_sources ; do + $verbose fetching $url + fetch $ntp_leapfile_fetch_opts -o $ntp_tmp_leapfile $url && break + done + ntp_ver_no_tmp=$(get_ntp_leapfile_ver $ntp_tmp_leapfile) + if [ "$ntp_ver_no_tmp" -gt "$ntp_ver_no_db" ]; then + $verbose using $url as $ntp_db_leapfile + mv $ntp_tmp_leapfile $ntp_db_leapfile + else + $verbose using existing $ntp_db_leapfile + fi + fi +} + run_rc_command "$1" |
