131 lines
3.7 KiB
Bash
Executable File
131 lines
3.7 KiB
Bash
Executable File
#!/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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# Time functions
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#
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# License
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# =======
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#
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# Copyright (C) 2014-2016 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 Affero 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Why use Google as a time source?
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# The thinking here is that it's likely to be reliable and fast.
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# The ping doesn't reveal any information other than that the server
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# is running, and if anyone maliciously alters the time on Google's
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# servers then that would certainly be newsworthy and they'd be
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# likely to do something about it quickly.
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# If you have better time sources then change them here.
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TLS_TIME_SOURCE1="google.com"
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TLS_TIME_SOURCE2="www.ptb.de"
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# Time synchronisation
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TLSDATE_REPO="https://github.com/bashrc/tlsdate"
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TLSDATE_COMMIT='505e31540eebde8074e7dc93b29be0d848def06a'
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function check_date {
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curr_date=$(date)
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if [[ $curr_date == *"1970"* ]]; then
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apt-get -y install ntp
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fi
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}
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function time_synchronisation {
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# mesh peers typically don't sync over the internet
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if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
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return
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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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return
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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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function_check cron_add_mins
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cron_add_mins 15 '/usr/bin/updatedate'
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systemctl restart cron
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echo 'time_synchronisation' >> $COMPLETION_FILE
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}
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function time_synchronisation_tlsdate {
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# mesh peers typically don't sync over the internet
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if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
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return
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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 [ ! -d $INSTALL_DIR ]; then
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mkdir -p $INSTALL_DIR
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fi
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set_repo_commit $INSTALL_DIR/tlsdate "tlsdate commit" "$TLSDATE_COMMIT" $TLSDATE_REPO
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if grep -Fxq "time_synchronisation_tlsdate" $COMPLETION_FILE; then
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return
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fi
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apt-get -y remove tlsdate ntpdate
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apt-get -y install build-essential autoconf libevent-dev
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apt-get -y install pkg-config libtool libssl-dev
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cd $INSTALL_DIR
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function_check git_clone
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git_clone $TLSDATE_REPO $INSTALL_DIR/tlsdate
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cd $INSTALL_DIR/tlsdate
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git checkout $TLSDATE_COMMIT -b $TLSDATE_COMMIT
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./autogen.sh
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./configure
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if [ ! "$?" = "0" ]; then
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echo $'Unable to configure tlsdate'
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exit 6825277
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fi
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make
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if [ ! "$?" = "0" ]; then
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echo $'Unable to build tlsdate'
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exit 3792726
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fi
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make install
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function_check cron_add_mins
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cron_add_mins 15 '/usr/bin/updatedate'
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echo 'time_synchronisation_tlsdate' >> $COMPLETION_FILE
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}
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# NOTE: deliberately no exit 0
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