mirror of
https://github.com/YunoHost-Apps/adguardhome_ynh.git
synced 2024-09-03 18:06:23 +02:00
125 lines
4 KiB
Bash
125 lines
4 KiB
Bash
#!/bin/bash
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#=================================================
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# COMMON VARIABLES
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#=================================================
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#=================================================
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# PERSONAL HELPERS
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#=================================================
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get_network_interface(){
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# get the network interface name for IPv4 and IPv6
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local IPvx="$1"
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# note: echo the IP route command to prevent a crash if the server doesn't have any IPv4/6
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if [[ "$IPvx" = "4" ]]; then
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# shellcheck disable=SC2005
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echo "$(echo "$(ip -4 route get 1.2.3.4 2> /dev/null)" | head -n1 | grep -oP '(?<=dev )\w+' || true)"
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else
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# shellcheck disable=SC2005
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echo "$(echo "$(ip -6 route get ::1.2.3.4 2> /dev/null)" | head -n1 | grep -oP '(?<=dev )\w+' || true)"
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fi
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}
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configure_network_interface_dnsmasq(){
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# used to put the network interface in a dedicated dnsmasq config
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local ipv4_interface="$1"
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local ipv6_interface="$2"
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if [ -z "$ipv4_interface" ] && [ -z "$ipv6_interface" ]; then
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ynh_die --message="Impossible to find the main network interface, please report this issue."
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elif [ "$ipv4_interface" != "$ipv6_interface" ]; then
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if [ -z "$ipv4_interface" ]; then
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echo -e "bind-interfaces\nexcept-interface=$ipv6_interface" > "/etc/dnsmasq.d/$app"
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elif [ -z "$ipv6_interface" ]; then
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echo -e "bind-interfaces\nexcept-interface=$ipv4_interface" > "/etc/dnsmasq.d/$app"
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else
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echo -e "bind-interfaces\nexcept-interface=$ipv4_interface, $ipv6_interface" > "/etc/dnsmasq.d/$app"
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fi
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else
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echo -e "bind-interfaces\nexcept-interface=$ipv4_interface" > "/etc/dnsmasq.d/$app"
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fi
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systemctl restart dnsmasq
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ynh_store_file_checksum --file="/etc/dnsmasq.d/$app"
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}
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is_public_ip(){
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# used to discriminate publics IPs over privates IPs
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# private IPv4 start with: 10.; 169.; 172. or 192.168.
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# private IPv6 start with: fc; fd or fe80:
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local IP="$1"
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if [[ "$IP" =~ ^10.*|^169.*|^172.*|^192.168.* ]] ; then
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# private IPv4, so false
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return 1
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elif [[ "$IP" =~ ^fc*|^fd*|^fe80:* ]] ; then
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# private IPv6, so false
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return 1
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else
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# public IP, so true
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return 0
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fi
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}
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process_ips(){
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# used to process the IPs to put in the AGH's config file
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local ips="$1"
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local processed_ips=""
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for i in $(seq "$(echo "$ips" | wc -w)" -1 1); do
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ip=$(echo "$ips" | awk "{print \$$i}")
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# check if the so-called IP really is one
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if [ "$(ynh_validate_ip4 --ip_address="$ip")" ] || [ "$(ynh_validate_ip6 --ip_address="$ip")" ] ; then
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# don't process if the IP is public and the port 53 closed
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if [ "$(is_public_ip "$ip")" == 0 ] && [ "$open_port_53" == "false" ] ; then
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exit 1
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else
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processed_ips+="$ip "
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fi
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fi
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done
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echo "${processed_ips:-}"
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}
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update_agh_ip_config(){
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# used to update the IP adresses in the AGHconfig file
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if [ -z "${ipv4_addr:-}" ] && [ -z "${ipv6_addr:-}" ]; then
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ynh_die --message="At leat one IP adress is required to run AdGuard Home. Please report this error."
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fi
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# use python's yaml and open the AGH config file
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python3 -c "import yaml
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with open(\"$install_dir/AdGuardHome.yaml\", 'r') as file:
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conf_file = yaml.safe_load(file)
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# reset the IPs in the AGH config file
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conf_file[\"dns\"][\"bind_hosts\"] = []
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# add each IPv4 and IPv6 in the AGH config file
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for ip in \"$ipv4_addr\".split():
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conf_file[\"dns\"][\"bind_hosts\"].append(ip)
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for ip in \"$ipv6_addr\".split():
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conf_file[\"dns\"][\"bind_hosts\"].append(ip)
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# save the config file
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with open(\"$install_dir/AdGuardHome.yaml\", 'w') as file:
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yaml.dump(conf_file, file)
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"
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}
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#=================================================
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# EXPERIMENTAL HELPERS
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#=================================================
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#=================================================
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# FUTURE OFFICIAL HELPERS
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#=================================================
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