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#!/bin/bash
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# FreenetIS-qos DEB: actions after installing of package
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set -e
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. /usr/share/debconf/confmodule
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NAME=freenetis-qos
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CONFIGFILE=/etc/freenetis/freenetis-qos.conf
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# Quit if config file is missing.
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if [ ! -e $CONFIGFILE ]; then
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echo "$CONFIGFILE not founded!"
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exit 1
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fi
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url_regex='(https?|ftp|file)://[-A-Za-z0-9\+&@#/%?=~_|!:,.;]*[-A-Za-z0-9\+&@#/%=~_|]'
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# Substitute in the values from the debconf db.
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# There are obvious optimizations possible here.
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# The cp before the sed ensures we do not mess up
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# the config file’s ownership and permissions.
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db_get freenetis-qos/path_freenetis
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PATH_FN="$RET"
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db_get freenetis-qos/input_interface
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INPUT_INTERFACE="$RET"
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db_get freenetis-qos/output_interface
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OUTPUT_INTERFACE="$RET"
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# check path
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if [ -z "$PATH_FN" ]; then
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echo "Empty path to FreenetIS instance, configuration failed!"
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exit 3
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fi
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# check path format
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if [[ ! "$PATH_FN" =~ $url_regex ]]; then
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echo "Wrong format of the path to FreenetIS instance, configuration failed!"
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exit 3
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fi
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# check input iface
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if [ -z "$INPUT_INTERFACE" ]; then
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echo "Empty input interface, configuration failed!"
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exit 3
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fi
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# check output iface
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if [ -z "$OUTPUT_INTERFACE" ]; then
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echo "Empty output interface, configuration failed!"
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exit 3
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fi
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cp -a -f $CONFIGFILE $CONFIGFILE.tmp
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# If the admin deleted or commented some variables but then set
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# them via debconf, (re-)add them to the conffile.
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test -z "$PATH_FN" || grep -Eq '^ *PATH_FN=' $CONFIGFILE || echo "PATH_FN=" >> $CONFIGFILE
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test -z "$INPUT_INTERFACE" || grep -Eq '^ *INPUT_INTERFACE=' $CONFIGFILE || echo "INPUT_INTERFACE=" >> $CONFIGFILE
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test -z "$OUTPUT_INTERFACE" || grep -Eq '^ *OUTPUT_INTERFACE=' $CONFIGFILE || echo "OUTPUT_INTERFACE=" >> $CONFIGFILE
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PATH_FN_ESCAPED="${PATH_FN//\//\\/}"
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INPUT_INTERFACE_ESCAPED="${INPUT_INTERFACE//\//\\/}"
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OUTPUT_INTERFACE_ESCAPED="${OUTPUT_INTERFACE//\//\\/}"
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sed -e "s/^ *PATH_FN=.*/PATH_FN=\"$PATH_FN_ESCAPED\"/" \
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-e "s/^ *INPUT_INTERFACE=.*/INPUT_INTERFACE=\"$INPUT_INTERFACE_ESCAPED\"/" \
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-e "s/^ *OUTPUT_INTERFACE=.*/OUTPUT_INTERFACE=\"$OUTPUT_INTERFACE_ESCAPED\"/" < $CONFIGFILE > $CONFIGFILE.tmp
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mv -f $CONFIGFILE.tmp $CONFIGFILE
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# Make post install things
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# 1) Startup at boot
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# set on fire after boot
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update-rc.d freenetis-qos defaults
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exit 0
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