Separate date update script

This commit is contained in:
Bob Mottram 2015-12-26 14:22:25 +00:00
parent d611fc9799
commit 110f6fe0b5
2 changed files with 125 additions and 98 deletions

View File

@ -3584,115 +3584,23 @@ function time_synchronisation {
return
fi
# remove any previous version of tlsdate compiled from source
reinstall_tlsdate="no"
if [ -d $INSTALL_DIR/tlsdate ]; then
if [ -f /usr/bin/tlsdate ]; then
echo 'Removing previous tlsdate install'
rm -rf $INSTALL_DIR/tlsdate
rm -f /usr/bin/tlsdate
reinstall_tlsdate="yes"
echo 'Reinstalling tlsdate'
fi
if [ -f /usr/local/bin/${PROJECT_NAME}-update-date ]; then
cp /usr/local/bin/${PROJECT_NAME}-update-date /usr/bin/updatedate
else
cp /usr/bin/${PROJECT_NAME}-update-date /usr/bin/updatedate
fi
chmod +x /usr/bin/updatedate
if grep -Fxq "time_synchronisation" $COMPLETION_FILE; then
if [[ $reinstall_tlsdate == "no" ]]; then
return
fi
fi
apt-get -y install tlsdate
apt-get -y remove ntpdate
echo '#!/bin/bash' > /usr/bin/updatedate
echo "TIMESOURCE='${TLS_TIME_SOURCE1}'" >> /usr/bin/updatedate
echo "TIMESOURCE2='${TLS_TIME_SOURCE2}'" >> /usr/bin/updatedate
echo "COMPLETION_FILE=$COMPLETION_FILE" >> /usr/bin/updatedate
echo 'LOGFILE=/var/log/tlsdate.log' >> /usr/bin/updatedate
echo 'TIMEOUT=5' >> /usr/bin/updatedate
echo 'if grep -q "Admin user" $COMPLETION_FILE; then' >> /usr/bin/updatedate
echo -n ' ADMIN_USER=$(cat $COMPLETION_FILE | grep "Admin user" | ' >> /usr/bin/updatedate
echo -n "awk -F ':' '{print " >> /usr/bin/updatedate
echo -n '$2' >> /usr/bin/updatedate
echo "}')" >> /usr/bin/updatedate
echo ' EMAIL=$ADMIN_USER@$HOSTNAME' >> /usr/bin/updatedate
echo 'else' >> /usr/bin/updatedate
echo " EMAIL=$MY_EMAIL_ADDRESS" >> /usr/bin/updatedate
echo 'fi' >> /usr/bin/updatedate
echo '# File which contains the previous date as a number' >> /usr/bin/updatedate
echo 'BEFORE_DATE_FILE=/var/log/tlsdateprevious.txt' >> /usr/bin/updatedate
echo '# File which contains the previous date as a string' >> /usr/bin/updatedate
echo 'BEFORE_FULLDATE_FILE=/var/log/tlsdate.txt' >> /usr/bin/updatedate
echo 'DATE_BEFORE=$(date)' >> /usr/bin/updatedate
echo 'BEFORE=$(date "+%s")' >> /usr/bin/updatedate
echo 'BACKWARDS_BETWEEN=0' >> /usr/bin/updatedate
echo 're="^[0-9]+$"' >> /usr/bin/updatedate
echo '# If the date was previously set' >> /usr/bin/updatedate
echo 'if [ -s "$BEFORE_DATE_FILE" ]; then' >> /usr/bin/updatedate
echo ' filesize=$(wc -c "$BEFORE_DATE_FILE" | cut -f 1 -d " ")' >> /usr/bin/updatedate
echo ' if [ $filesize -ge 5 ]; then' >> /usr/bin/updatedate
echo ' BEFORE_FILE=$(cat $BEFORE_DATE_FILE)' >> /usr/bin/updatedate
echo ' if [[ $BEFORE_FILE =~ $re ]]; then' >> /usr/bin/updatedate
echo ' BEFORE_FULLDATE=$(cat $BEFORE_FULLDATE_FILE)' >> /usr/bin/updatedate
echo ' # is the date going backwards?' >> /usr/bin/updatedate
echo ' if (( $BEFORE_FILE > $BEFORE )); then' >> /usr/bin/updatedate
echo ' echo -n "Date went backwards between tlsdate updates. " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n "$BEFORE_FILE > $BEFORE, " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo "$BEFORE_FULLDATE > $DATE_BEFORE" >> $LOGFILE' >> /usr/bin/updatedate
echo ' # Send a warning email' >> /usr/bin/updatedate
echo ' echo $(tail $LOGFILE -n 2) | mail -s "tlsdate anomaly" $EMAIL' >> /usr/bin/updatedate
echo ' # Try another time source' >> /usr/bin/updatedate
echo ' TIMESOURCE=$TIMESOURCE2' >> /usr/bin/updatedate
echo ' # try running without any parameters' >> /usr/bin/updatedate
echo ' tlsdate >> $LOGFILE' >> /usr/bin/updatedate
echo ' BACKWARDS_BETWEEN=1' >> /usr/bin/updatedate
echo ' fi' >> /usr/bin/updatedate
echo ' fi' >> /usr/bin/updatedate
echo ' fi' >> /usr/bin/updatedate
echo 'fi' >> /usr/bin/updatedate
echo '# Set the date' >> /usr/bin/updatedate
echo '/usr/bin/timeout $TIMEOUT tlsdate -l -t -H $TIMESOURCE -p 443 >> $LOGFILE' >> /usr/bin/updatedate
echo 'DATE_AFTER=$(date)' >> /usr/bin/updatedate
echo 'AFTER=$(date "+%s")' >> /usr/bin/updatedate
echo '# After setting the date did it go backwards?' >> /usr/bin/updatedate
echo 'if (( $AFTER < $BEFORE )); then' >> /usr/bin/updatedate
echo ' echo "Incorrect date: $DATE_BEFORE -> $DATE_AFTER" >> $LOGFILE' >> /usr/bin/updatedate
echo ' # Send a warning email' >> /usr/bin/updatedate
echo ' echo $(tail $LOGFILE -n 2) | mail -s "tlsdate anomaly" $EMAIL' >> /usr/bin/updatedate
echo ' # Try resetting the date from another time source' >> /usr/bin/updatedate
echo ' /usr/bin/timeout $TIMEOUT tlsdate -l -t -H $TIMESOURCE2 -p 443 >> $LOGFILE' >> /usr/bin/updatedate
echo ' DATE_AFTER=$(date)' >> /usr/bin/updatedate
echo ' AFTER=$(date "+%s")' >> /usr/bin/updatedate
echo 'else' >> /usr/bin/updatedate
echo ' echo -n $TIMESOURCE >> $LOGFILE' >> /usr/bin/updatedate
echo ' if [ -s "$BEFORE_DATE_FILE" ]; then' >> /usr/bin/updatedate
echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n $BEFORE_FILE >> $LOGFILE' >> /usr/bin/updatedate
echo ' fi' >> /usr/bin/updatedate
echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n $BEFORE >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n $AFTER >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo $DATE_AFTER >> $LOGFILE' >> /usr/bin/updatedate
echo 'fi' >> /usr/bin/updatedate
echo '# Log the last date' >> /usr/bin/updatedate
echo 'if [[ $BACKWARDS_BETWEEN == 0 ]]; then' >> /usr/bin/updatedate
echo ' echo "$AFTER" > $BEFORE_DATE_FILE' >> /usr/bin/updatedate
echo ' echo "$DATE_AFTER" > $BEFORE_FULLDATE_FILE' >> /usr/bin/updatedate
echo ' exit 0' >> /usr/bin/updatedate
echo 'else' >> /usr/bin/updatedate
echo ' exit 1' >> /usr/bin/updatedate
echo 'fi' >> /usr/bin/updatedate
chmod +x /usr/bin/updatedate
echo '*/15 * * * * root /usr/bin/updatedate' >> /etc/crontab
service cron restart
if [[ $reinstall_tlsdate != "no" ]]; then
echo 'tlsdate was reinstalled'
fi
echo 'time_synchronisation' >> $COMPLETION_FILE
}

119
src/freedombone-update-date Executable file
View File

@ -0,0 +1,119 @@
#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Updates the date
# License
# =======
#
# Copyright (C) 2015 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
PROJECT_NAME='freedombone'
export TEXTDOMAIN=${PROJECT_NAME}-update-date
export TEXTDOMAINDIR="/usr/share/locale"
COMPLETION_FILE=/root/${PROJECT_NAME}-completed.txt
TIMESOURCE='google.com'
TIMESOURCE2='www.ptb.de'
LOGFILE=/var/log/tlsdate.log
TIMEOUT=5
EMAIL=
if grep -q "Admin user" $COMPLETION_FILE; then
ADMIN_USER=$(cat $COMPLETION_FILE | grep "Admin user" | awk -F ':' '{print $2}')
EMAIL=$ADMIN_USER@$HOSTNAME
fi
# File which contains the previous date as a number
BEFORE_DATE_FILE=/var/log/tlsdateprevious.txt
# File which contains the previous date as a string
BEFORE_FULLDATE_FILE=/var/log/tlsdate.txt
DATE_BEFORE=$(date)
BEFORE=$(date "+%s")
BACKWARDS_BETWEEN=0
re="^[0-9]+$"
# If the date was previously set
if [ -s "$BEFORE_DATE_FILE" ]; then
filesize=$(wc -c "$BEFORE_DATE_FILE" | cut -f 1 -d " ")
if [ $filesize -ge 5 ]; then
BEFORE_FILE=$(cat $BEFORE_DATE_FILE)
if [[ $BEFORE_FILE =~ $re ]]; then
BEFORE_FULLDATE=$(cat $BEFORE_FULLDATE_FILE)
# is the date going backwards?
if (( $BEFORE_FILE > $BEFORE )); then
echo -n $"Date went backwards between tlsdate updates. " >> $LOGFILE
echo -n "$BEFORE_FILE > $BEFORE, " >> $LOGFILE
echo "$BEFORE_FULLDATE > $DATE_BEFORE" >> $LOGFILE
# Send a warning email
if [ $EMAIL ]; then
echo $(tail $LOGFILE -n 2) | mail -s $"tlsdate anomaly" $EMAIL
fi
# Try another time source
TIMESOURCE=$TIMESOURCE2
# try running without any parameters
tlsdate >> $LOGFILE
BACKWARDS_BETWEEN=1
fi
fi
fi
fi
# Set the date
/usr/bin/timeout $TIMEOUT tlsdate -l -t -H $TIMESOURCE -p 443 >> $LOGFILE
DATE_AFTER=$(date)
AFTER=$(date "+%s")
# After setting the date did it go backwards?
if (( $AFTER < $BEFORE )); then
echo $"Incorrect date: $DATE_BEFORE -> $DATE_AFTER" >> $LOGFILE
# Send a warning email
if [ $EMAIL ]; then
echo $(tail $LOGFILE -n 2) | mail -s $"tlsdate anomaly" $EMAIL
fi
# Try resetting the date from another time source
/usr/bin/timeout $TIMEOUT tlsdate -l -t -H $TIMESOURCE2 -p 443 >> $LOGFILE
DATE_AFTER=$(date)
AFTER=$(date "+%s")
else
echo -n $TIMESOURCE >> $LOGFILE
if [ -s "$BEFORE_DATE_FILE" ]; then
echo -n " " >> $LOGFILE
echo -n $BEFORE_FILE >> $LOGFILE
fi
echo -n " " >> $LOGFILE
echo -n $BEFORE >> $LOGFILE
echo -n " " >> $LOGFILE
echo -n $AFTER >> $LOGFILE
echo -n " " >> $LOGFILE
echo $DATE_AFTER >> $LOGFILE
fi
# Log the last date
if [[ $BACKWARDS_BETWEEN == 0 ]]; then
echo "$AFTER" > $BEFORE_DATE_FILE
echo "$DATE_AFTER" > $BEFORE_FULLDATE_FILE
exit 0
fi
exit 1