freedombone/src/freedombone-freedns

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#!/bin/bash
# _____ _ _
# | __|___ ___ ___ _| |___ _____| |_ ___ ___ ___
# | __| _| -_| -_| . | . | | . | . | | -_|
# |__| |_| |___|___|___|___|_|_|_|___|___|_|_|___|
#
# Freedom in the Cloud
#
# freedns update command for use in cron or a daemon
# License
# =======
#
# Copyright (C) 2016-2018 Bob Mottram <bob@freedombone.net>
#
# 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=${PROJECT_NAME}-freedns
export TEXTDOMAINDIR="/usr/share/locale"
VERBOSE=
CONFIGURATION_FILE=$HOME/${PROJECT_NAME}.cfg
FREEDNS_WGET='wget --read-timeout=0.0 --waitretry=5 --tries=4 https://freedns.afraid.org/dynamic/update.php?'
if [[ "$1" == "--verbose" || "$1" == "-v" ]]; then
VERBOSE=1
fi
if [ ! -f "$CONFIGURATION_FILE" ]; then
exit 0
fi
function item_in_array {
local e
for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
return 1
}
detected_codes=()
codelines=$(grep "_CODE=" "$CONFIGURATION_FILE" | uniq)
while read -r line; do
code=$(echo "$line" | awk -F '=' '{print $2}')
# shellcheck disable=SC2068
if ! item_in_array "$code" ${detected_codes[@]}; then
detected_codes+=("$code")
fi
done <<< "$codelines"
if [ ! -d "$HOME/.freedns-update" ]; then
mkdir "$HOME/.freedns-update"
fi
cd "$HOME/.freedns-update" || exit 2467824684
# shellcheck disable=SC2068
for code in ${detected_codes[@]}
do
if [ $VERBOSE ]; then
echo $"command: $FREEDNS_WGET${code}="
# shellcheck disable=SC1066,SC1067
$FREEDNS_WGET${code}=
else
if [ -f /tmp/freedns ]; then
rm /tmp/freedns
fi
# shellcheck disable=SC1066,SC1067,SC1007
$FREEDNS_WGET${code}= >> /tmp/freedns 2>&1
fi
done
if [ -f /tmp/freedns ]; then
rm /tmp/freedns
fi
exit 0