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base-files: sysfixtime: Fix time on the fake RTC

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On some devices the chip has RTC but no battery save time.
This leads back to getting the wrong time
and skipping the check of the last file modification date.

This commit ensures that the file time is checked even
if the RTC exists.
which would ordinarily return an approbiate
system time used for e.g. certificate generation.

Tested-on: NanoPi R2S

Signed-off-by: Yuan Tao <ty@wevs.org>
This commit is contained in:
Yuan Tao 2020-09-14 17:19:49 +08:00 committed by aiamadeus
parent d519e5fd0d
commit ccb04d670d
1 changed files with 16 additions and 6 deletions
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22
package/base-files/files/etc/init.d/sysfixtime
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@ -8,23 +8,33 @@ RTC_DEV=/dev/rtc0
HWCLOCK=/sbin/hwclock HWCLOCK=/sbin/hwclock
boot() { boot() {
start && exit 0 hwclock_load
local maxtime="$(find_max_time)"
local maxtime="$(maxtime)"
local curtime="$(date +%s)" local curtime="$(date +%s)"
[ $curtime -lt $maxtime ] && date -s @$maxtime if [ $curtime -lt $maxtime ]; then
date -s @$maxtime
hwclock_save
fi
} }
start() { start() {
[ -e "$RTC_DEV" ] && [ -e "$HWCLOCK" ] && $HWCLOCK -s -u -f $RTC_DEV hwclock_load
} }
stop() { stop() {
hwclock_save
}
hwclock_load() {
[ -e "$RTC_DEV" ] && [ -e "$HWCLOCK" ] && $HWCLOCK -s -u -f $RTC_DEV
}
hwclock_save(){
[ -e "$RTC_DEV" ] && [ -e "$HWCLOCK" ] && $HWCLOCK -w -u -f $RTC_DEV && \ [ -e "$RTC_DEV" ] && [ -e "$HWCLOCK" ] && $HWCLOCK -w -u -f $RTC_DEV && \
logger -t sysfixtime "saved '$(date)' to $RTC_DEV" logger -t sysfixtime "saved '$(date)' to $RTC_DEV"
} }
maxtime() { find_max_time() {
local file newest local file newest
for file in $( find /etc -type f ) ; do for file in $( find /etc -type f ) ; do