147 lines
4.5 KiB
Bash
147 lines
4.5 KiB
Bash
#!/bin/bash
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# postinst script for dump1090
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#
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# see: dh_installdeb(1)
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set -e
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# summary of how this script can be called:
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# * <postinst> `configure' <most-recently-configured-version>
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# * <old-postinst> `abort-upgrade' <new version>
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# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
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# <new-version>
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# * <postinst> `abort-remove'
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# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
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# <failed-install-package> <version> `removing'
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# <conflicting-package> <version>
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# for details, see http://www.debian.org/doc/debian-policy/ or
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# the debian-policy package
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NAME=dump1090-mutability
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CONFIGFILE=/etc/default/$NAME
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SRCCONFIGFILE=$CONFIGFILE
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TEMPLATECONFIG=/usr/share/$NAME/config-template
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CRONFILE=/etc/cron.d/$NAME
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TEMPLATECRON=/usr/share/$NAME/cron-template
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SEDSCRIPT=$CONFIGFILE.sed.tmp
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subvar_raw() {
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# $1 = config value
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# $2 = config var name
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if ! grep -Eq "^ *$2=" $SRCCONFIGFILE; then
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# if not present in the config file, add it at the end
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echo "\$a $2=$1" >> $SEDSCRIPT
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else
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# otherwise, replace the current value
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echo "s@^ *$2=.*@$2=\"$1\"@" >>$SEDSCRIPT
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fi
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}
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subvar() {
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# $1 = db var name
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# $2 = config var name
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db_get $NAME/$1
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subvar_raw "$RET" "$2"
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}
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subvar_yn() {
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# $1 = db var name
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# $2 = config var name
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db_get $NAME/$1
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if [ "$RET" = "true" ]; then subvar_raw "yes" "$2"; else subvar_raw "no" "$2"; fi
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}
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case "$1" in
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configure)
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. /usr/share/debconf/confmodule
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# If we have no config file, start from the template.
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# Avoid copying the template to the config file
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# before substitution; this leaves an all-blank config
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# in place if something fails, which causes problems
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# on subsequent reconfiguration.
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SKIPLINES=0
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if [ ! -e $SRCCONFIGFILE ]; then
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SRCCONFIGFILE=$TEMPLATECONFIG
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SKIPLINES=4
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fi
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rm -f $SEDSCRIPT
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subvar_yn auto-start START_DUMP1090
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subvar run-as-user DUMP1090_USER
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subvar log-file LOGFILE
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subvar rtlsdr-device DEVICE
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subvar rtlsdr-gain GAIN
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subvar rtlsdr-ppm PPM
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subvar_yn rtlsdr-oversample OVERSAMPLE
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subvar_yn decode-fixcrc FIX_CRC
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subvar_yn decode-phase-enhance PHASE_ENHANCE
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subvar_yn decode-aggressive AGGRESSIVE
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subvar decode-lat LAT
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subvar decode-lon LON
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subvar decode-max-range MAX_RANGE
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subvar net-http-port HTTP_PORT
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subvar net-ri-port RAW_INPUT_PORT
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subvar net-ro-port RAW_OUTPUT_PORT
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subvar net-bi-port BEAST_INPUT_PORT
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subvar net-bo-port BEAST_OUTPUT_PORT
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subvar net-sbs-port SBS_OUTPUT_PORT
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subvar net-heartbeat NET_HEARTBEAT
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subvar net-out-size NET_OUTPUT_SIZE
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subvar net-out-interval NET_OUTPUT_INTERVAL
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subvar net-buffer NET_BUFFER
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subvar net-bind-address NET_BIND_ADDRESS
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subvar stats-interval STATS_INTERVAL
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subvar json-dir JSON_DIR
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subvar json-interval JSON_INTERVAL
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subvar json-location-accuracy JSON_LOCATION_ACCURACY
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subvar_yn log-decoded-messages LOG_DECODED_MESSAGES
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subvar extra-args EXTRA_ARGS
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tail -n +$SKIPLINES < $SRCCONFIGFILE | sed -f $SEDSCRIPT > $CONFIGFILE.tmp
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if [ -e $CONFIGFILE ]; then
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chown --reference=$CONFIGFILE $CONFIGFILE.tmp
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chmod --reference=$CONFIGFILE $CONFIGFILE.tmp
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fi
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mv -f $CONFIGFILE.tmp $CONFIGFILE
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rm $SEDSCRIPT
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db_get $NAME/run-as-user
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RUNAS="$RET"
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if ! getent passwd "$RUNAS" >/dev/null
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then
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adduser --system --home /usr/share/$NAME --no-create-home --quiet "$RUNAS"
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fi
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# create log if missing; change ownership if needed so the cronjob works
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db_get $NAME/log-file
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touch $RET
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chown $RUNAS $RET
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# this config file has changed a few times, restart lighttpd to make sure we
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# have the latest version
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if [ -e /etc/lighttpd/conf-enabled/89-dump1090.conf ]; then
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echo "Restarting lighttpd.." >&2
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invoke-rc.d lighttpd restart || echo "Warning: lighttpd failed to restart." >&2
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fi
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;;
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abort-upgrade|abort-remove|abort-deconfigure)
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;;
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*)
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echo "postinst called with unknown argument \`$1'" >&2
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exit 1
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;;
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esac
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# dh_installdeb will replace this with shell code automatically
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# generated by other debhelper scripts.
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#DEBHELPER#
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if [ "$1" = "configure" ]; then db_stop; fi
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exit 0
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