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68 lines
1.4 KiB
68 lines
1.4 KiB
#!/bin/bash
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# function to exit with message and code
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die() {
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[[ -n "$2" ]] && printf "%s\n" "$2"
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[[ -n "$1" ]] && exit "$1" || exit 127
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}
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url="https://dyn.dns.he.net/nic/update"
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config="/usr/local/etc/he-ddnsrc"
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ip_host="icanhazip.com"
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help_text="Usage: $0 [OPTIONS]
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Update Hurricane Electric Dynamic DNS for domains in the configuration file
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with associated keys. Requires curl to be installed in \$PATH.
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Options:
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-c, --config FILE get configuration from FILE instead of $config
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-u, --url URL update dns at URL instead of $url
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-h, --help display this help
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https://gitlab.com/rascul/he-ddns
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"
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show_help() {
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printf "%s" "$help_text"
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}
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while (($#)); do
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case $1 in
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-c|--config)
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if [[ -n "$2" ]]; then
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config="$2"
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shift
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else
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die $LINENO "$help_text"
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fi
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;;
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-h|--help)
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show_help
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exit
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;;
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*)
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args+=("$1")
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;;
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esac
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shift
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done
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# shellcheck source=he-ddnsrc
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. "$config" || die $LINENO
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ipv4="$(curl -sSL4 "$ip_host")" || die $LINENO
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for domain in "${!DOMAINS4[@]}"; do
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printf "%s :: " "$domain"
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key=${DOMAINS4[$domain]}
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curl -sSL4 "$url" -d "hostname=$domain" -d "password=$key" -d "myip=$ipv4" || die $LINENO
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echo
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done
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ipv6="$(curl -sSL6 "$ip_host")" || die $LINENO
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for domain in "${!DOMAINS6[@]}"; do
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printf "%s :: " "$domain"
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key=${DOMAINS6[$domain]}
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curl -sSL6 "$url" -d "hostname=$domain" -d "password=$key" -d "myip=$ipv6" || die $LINENO
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echo
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done
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