2015-11-02 12:22:20 +01:00
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#!/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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# Returns the next free SIP extension number
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# License
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# =======
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#
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# Copyright (C) 2015 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 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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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CONFIG_FILE=/etc/sipwitch.conf
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extensions=()
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# get the used extensions
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2015-11-02 12:27:32 +01:00
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for line in $(cat $CONFIG_FILE)
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2015-11-02 12:22:20 +01:00
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do
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if [[ "$line" == "<extension>"* ]]; then
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ext=$(echo "$line" | awk -F '>' '{print $2}' | awk -F '<' '{print $1}')
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extensions+=($ext)
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fi
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if [[ "$line" == '</provision>' ]]; then
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break
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fi
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done
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#echo "used extensions:"
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#echo $extensions
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#echo " "
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# which is the first available unused extension ?
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for ext in $(seq 201 299);
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do
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is_used=
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for i in "${extensions[@]}"
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do
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if [[ "$i" == "$ext" ]]; then
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is_used=1
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break
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fi
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done
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if [ ! $is_used ]; then
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echo $ext;
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break
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fi
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done
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exit 0
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