Separate date update script
This commit is contained in:
Bob Mottram
parent
d611fc9799
commit
110f6fe0b5
102
src/freedombone
102
src/freedombone
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@ -3584,115 +3584,23 @@ function time_synchronisation {
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return
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fi
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# remove any previous version of tlsdate compiled from source
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reinstall_tlsdate="no"
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if [ -d $INSTALL_DIR/tlsdate ]; then
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if [ -f /usr/bin/tlsdate ]; then
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echo 'Removing previous tlsdate install'
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rm -rf $INSTALL_DIR/tlsdate
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rm -f /usr/bin/tlsdate
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reinstall_tlsdate="yes"
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echo 'Reinstalling tlsdate'
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fi
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if [ -f /usr/local/bin/${PROJECT_NAME}-update-date ]; then
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cp /usr/local/bin/${PROJECT_NAME}-update-date /usr/bin/updatedate
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else
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cp /usr/bin/${PROJECT_NAME}-update-date /usr/bin/updatedate
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fi
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chmod +x /usr/bin/updatedate
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if grep -Fxq "time_synchronisation" $COMPLETION_FILE; then
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if [[ $reinstall_tlsdate == "no" ]]; then
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return
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fi
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fi
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apt-get -y install tlsdate
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apt-get -y remove ntpdate
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echo '#!/bin/bash' > /usr/bin/updatedate
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echo "TIMESOURCE='${TLS_TIME_SOURCE1}'" >> /usr/bin/updatedate
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echo "TIMESOURCE2='${TLS_TIME_SOURCE2}'" >> /usr/bin/updatedate
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echo "COMPLETION_FILE=$COMPLETION_FILE" >> /usr/bin/updatedate
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echo 'LOGFILE=/var/log/tlsdate.log' >> /usr/bin/updatedate
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echo 'TIMEOUT=5' >> /usr/bin/updatedate
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echo 'if grep -q "Admin user" $COMPLETION_FILE; then' >> /usr/bin/updatedate
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echo -n ' ADMIN_USER=$(cat $COMPLETION_FILE | grep "Admin user" | ' >> /usr/bin/updatedate
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echo -n "awk -F ':' '{print " >> /usr/bin/updatedate
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echo -n '$2' >> /usr/bin/updatedate
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echo "}')" >> /usr/bin/updatedate
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echo ' EMAIL=$ADMIN_USER@$HOSTNAME' >> /usr/bin/updatedate
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echo 'else' >> /usr/bin/updatedate
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echo " EMAIL=$MY_EMAIL_ADDRESS" >> /usr/bin/updatedate
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echo 'fi' >> /usr/bin/updatedate
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echo '# File which contains the previous date as a number' >> /usr/bin/updatedate
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echo 'BEFORE_DATE_FILE=/var/log/tlsdateprevious.txt' >> /usr/bin/updatedate
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echo '# File which contains the previous date as a string' >> /usr/bin/updatedate
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echo 'BEFORE_FULLDATE_FILE=/var/log/tlsdate.txt' >> /usr/bin/updatedate
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echo 'DATE_BEFORE=$(date)' >> /usr/bin/updatedate
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echo 'BEFORE=$(date "+%s")' >> /usr/bin/updatedate
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echo 'BACKWARDS_BETWEEN=0' >> /usr/bin/updatedate
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echo 're="^[0-9]+$"' >> /usr/bin/updatedate
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echo '# If the date was previously set' >> /usr/bin/updatedate
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echo 'if [ -s "$BEFORE_DATE_FILE" ]; then' >> /usr/bin/updatedate
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echo ' filesize=$(wc -c "$BEFORE_DATE_FILE" | cut -f 1 -d " ")' >> /usr/bin/updatedate
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echo ' if [ $filesize -ge 5 ]; then' >> /usr/bin/updatedate
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echo ' BEFORE_FILE=$(cat $BEFORE_DATE_FILE)' >> /usr/bin/updatedate
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echo ' if [[ $BEFORE_FILE =~ $re ]]; then' >> /usr/bin/updatedate
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echo ' BEFORE_FULLDATE=$(cat $BEFORE_FULLDATE_FILE)' >> /usr/bin/updatedate
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echo ' # is the date going backwards?' >> /usr/bin/updatedate
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echo ' if (( $BEFORE_FILE > $BEFORE )); then' >> /usr/bin/updatedate
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echo ' echo -n "Date went backwards between tlsdate updates. " >> $LOGFILE' >> /usr/bin/updatedate
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echo ' echo -n "$BEFORE_FILE > $BEFORE, " >> $LOGFILE' >> /usr/bin/updatedate
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echo ' echo "$BEFORE_FULLDATE > $DATE_BEFORE" >> $LOGFILE' >> /usr/bin/updatedate
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echo ' # Send a warning email' >> /usr/bin/updatedate
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echo ' echo $(tail $LOGFILE -n 2) | mail -s "tlsdate anomaly" $EMAIL' >> /usr/bin/updatedate
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echo ' # Try another time source' >> /usr/bin/updatedate
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echo ' TIMESOURCE=$TIMESOURCE2' >> /usr/bin/updatedate
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echo ' # try running without any parameters' >> /usr/bin/updatedate
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echo ' tlsdate >> $LOGFILE' >> /usr/bin/updatedate
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echo ' BACKWARDS_BETWEEN=1' >> /usr/bin/updatedate
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echo ' fi' >> /usr/bin/updatedate
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echo ' fi' >> /usr/bin/updatedate
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echo ' fi' >> /usr/bin/updatedate
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echo 'fi' >> /usr/bin/updatedate
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echo '# Set the date' >> /usr/bin/updatedate
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echo '/usr/bin/timeout $TIMEOUT tlsdate -l -t -H $TIMESOURCE -p 443 >> $LOGFILE' >> /usr/bin/updatedate
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echo 'DATE_AFTER=$(date)' >> /usr/bin/updatedate
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echo 'AFTER=$(date "+%s")' >> /usr/bin/updatedate
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echo '# After setting the date did it go backwards?' >> /usr/bin/updatedate
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echo 'if (( $AFTER < $BEFORE )); then' >> /usr/bin/updatedate
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echo ' echo "Incorrect date: $DATE_BEFORE -> $DATE_AFTER" >> $LOGFILE' >> /usr/bin/updatedate
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echo ' # Send a warning email' >> /usr/bin/updatedate
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echo ' echo $(tail $LOGFILE -n 2) | mail -s "tlsdate anomaly" $EMAIL' >> /usr/bin/updatedate
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echo ' # Try resetting the date from another time source' >> /usr/bin/updatedate
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echo ' /usr/bin/timeout $TIMEOUT tlsdate -l -t -H $TIMESOURCE2 -p 443 >> $LOGFILE' >> /usr/bin/updatedate
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echo ' DATE_AFTER=$(date)' >> /usr/bin/updatedate
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echo ' AFTER=$(date "+%s")' >> /usr/bin/updatedate
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echo 'else' >> /usr/bin/updatedate
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echo ' echo -n $TIMESOURCE >> $LOGFILE' >> /usr/bin/updatedate
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echo ' if [ -s "$BEFORE_DATE_FILE" ]; then' >> /usr/bin/updatedate
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echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
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echo ' echo -n $BEFORE_FILE >> $LOGFILE' >> /usr/bin/updatedate
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echo ' fi' >> /usr/bin/updatedate
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echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
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echo ' echo -n $BEFORE >> $LOGFILE' >> /usr/bin/updatedate
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echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
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echo ' echo -n $AFTER >> $LOGFILE' >> /usr/bin/updatedate
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echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
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echo ' echo $DATE_AFTER >> $LOGFILE' >> /usr/bin/updatedate
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echo 'fi' >> /usr/bin/updatedate
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echo '# Log the last date' >> /usr/bin/updatedate
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echo 'if [[ $BACKWARDS_BETWEEN == 0 ]]; then' >> /usr/bin/updatedate
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echo ' echo "$AFTER" > $BEFORE_DATE_FILE' >> /usr/bin/updatedate
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echo ' echo "$DATE_AFTER" > $BEFORE_FULLDATE_FILE' >> /usr/bin/updatedate
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echo ' exit 0' >> /usr/bin/updatedate
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echo 'else' >> /usr/bin/updatedate
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echo ' exit 1' >> /usr/bin/updatedate
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echo 'fi' >> /usr/bin/updatedate
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chmod +x /usr/bin/updatedate
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echo '*/15 * * * * root /usr/bin/updatedate' >> /etc/crontab
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service cron restart
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if [[ $reinstall_tlsdate != "no" ]]; then
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echo 'tlsdate was reinstalled'
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fi
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echo 'time_synchronisation' >> $COMPLETION_FILE
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}
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@ -0,0 +1,119 @@
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#!/bin/bash
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#
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# .---. . .
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# | | |
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# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
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# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
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# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
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#
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# Freedom in the Cloud
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#
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# Updates the date
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# License
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# =======
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#
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# Copyright (C) 2015 Bob Mottram <bob@robotics.uk.to>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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PROJECT_NAME='freedombone'
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export TEXTDOMAIN=${PROJECT_NAME}-update-date
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export TEXTDOMAINDIR="/usr/share/locale"
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COMPLETION_FILE=/root/${PROJECT_NAME}-completed.txt
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TIMESOURCE='google.com'
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TIMESOURCE2='www.ptb.de'
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LOGFILE=/var/log/tlsdate.log
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TIMEOUT=5
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EMAIL=
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if grep -q "Admin user" $COMPLETION_FILE; then
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ADMIN_USER=$(cat $COMPLETION_FILE | grep "Admin user" | awk -F ':' '{print $2}')
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EMAIL=$ADMIN_USER@$HOSTNAME
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fi
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# File which contains the previous date as a number
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BEFORE_DATE_FILE=/var/log/tlsdateprevious.txt
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# File which contains the previous date as a string
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BEFORE_FULLDATE_FILE=/var/log/tlsdate.txt
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DATE_BEFORE=$(date)
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BEFORE=$(date "+%s")
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BACKWARDS_BETWEEN=0
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re="^[0-9]+$"
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# If the date was previously set
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if [ -s "$BEFORE_DATE_FILE" ]; then
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filesize=$(wc -c "$BEFORE_DATE_FILE" | cut -f 1 -d " ")
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if [ $filesize -ge 5 ]; then
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BEFORE_FILE=$(cat $BEFORE_DATE_FILE)
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if [[ $BEFORE_FILE =~ $re ]]; then
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BEFORE_FULLDATE=$(cat $BEFORE_FULLDATE_FILE)
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# is the date going backwards?
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if (( $BEFORE_FILE > $BEFORE )); then
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echo -n $"Date went backwards between tlsdate updates. " >> $LOGFILE
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echo -n "$BEFORE_FILE > $BEFORE, " >> $LOGFILE
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echo "$BEFORE_FULLDATE > $DATE_BEFORE" >> $LOGFILE
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# Send a warning email
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if [ $EMAIL ]; then
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echo $(tail $LOGFILE -n 2) | mail -s $"tlsdate anomaly" $EMAIL
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fi
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# Try another time source
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TIMESOURCE=$TIMESOURCE2
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# try running without any parameters
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tlsdate >> $LOGFILE
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BACKWARDS_BETWEEN=1
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fi
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fi
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fi
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fi
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# Set the date
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/usr/bin/timeout $TIMEOUT tlsdate -l -t -H $TIMESOURCE -p 443 >> $LOGFILE
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DATE_AFTER=$(date)
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AFTER=$(date "+%s")
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# After setting the date did it go backwards?
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if (( $AFTER < $BEFORE )); then
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echo $"Incorrect date: $DATE_BEFORE -> $DATE_AFTER" >> $LOGFILE
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# Send a warning email
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if [ $EMAIL ]; then
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echo $(tail $LOGFILE -n 2) | mail -s $"tlsdate anomaly" $EMAIL
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fi
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# Try resetting the date from another time source
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/usr/bin/timeout $TIMEOUT tlsdate -l -t -H $TIMESOURCE2 -p 443 >> $LOGFILE
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DATE_AFTER=$(date)
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AFTER=$(date "+%s")
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else
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echo -n $TIMESOURCE >> $LOGFILE
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if [ -s "$BEFORE_DATE_FILE" ]; then
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echo -n " " >> $LOGFILE
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echo -n $BEFORE_FILE >> $LOGFILE
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fi
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echo -n " " >> $LOGFILE
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echo -n $BEFORE >> $LOGFILE
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echo -n " " >> $LOGFILE
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echo -n $AFTER >> $LOGFILE
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echo -n " " >> $LOGFILE
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echo $DATE_AFTER >> $LOGFILE
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fi
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# Log the last date
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if [[ $BACKWARDS_BETWEEN == 0 ]]; then
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echo "$AFTER" > $BEFORE_DATE_FILE
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echo "$DATE_AFTER" > $BEFORE_FULLDATE_FILE
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exit 0
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fi
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exit 1
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