120 lines
3.8 KiB
Bash
Executable File
120 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# .---. . .
|
|
# | | |
|
|
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
|
|
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
|
|
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
|
|
#
|
|
# Freedom in the Cloud
|
|
#
|
|
# Updates the date
|
|
|
|
# License
|
|
# =======
|
|
#
|
|
# Copyright (C) 2015-2016 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 Affero 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 Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero 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
|