mirror of
https://github.com/YunoHost-Apps/hotspot_ynh.git
synced 2024-09-03 19:25:53 +02:00
57 lines
1.7 KiB
Bash
57 lines
1.7 KiB
Bash
#!/bin/bash
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is_nat_set() {
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local gateway_interface=${1}
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iptables -w -nvt nat -L POSTROUTING | grep MASQUERADE | grep -q "${gateway_interface}"
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}
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unset_nat() {
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local gateway_interface=${1}
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echo "[INFO] hotspot ${wifi_device}: Unset NAT on ${gateway_interface}"
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iptables -w -t nat -D POSTROUTING -o "${gateway_interface}" -j MASQUERADE
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}
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set_nat() {
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local gateway_interface=${1}
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echo "[INFO] hotspot ${wifi_device}: Set NAT on ${gateway_interface}"
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iptables -w -t nat -A POSTROUTING -o "${gateway_interface}" -j MASQUERADE
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}
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has_ip6delegatedprefix() {
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[[ -n "${ip6_net}" ]] && [[ "${ip6_net}" != "none" ]]
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}
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is_ip6addr_set() {
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ip address show dev "${wifi_device}" 2>/dev/null | grep -q "${ip6_addr}/64"
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}
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set_ip6addr() {
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echo "[INFO] hotspot ${wifi_device}: Set IPv6 address ${ip6_addr}"
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ip address delete "${ip6_addr}/64" dev "${new_gateway_interface}" &>/dev/null
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ip address add "${ip6_addr}/64" dev "${wifi_device}"
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}
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ynh_hotspot_state=$(systemctl is-active __SERVICE_NAME__)
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if [[ "${ynh_hotspot_state}" == "active" || "${ynh_hotspot_state}" == "activating" ]]; then
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old_gateway_interface=$(ip route | awk '/default via/ { print $5; }')
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new_gateway_interface=${dev}
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ip6_net=$(yunohost app setting __APP__ ip6_net)
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ip6_addr="${ip6_net}1"
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wifi_device=$(yunohost app setting __APP__ wifi_device)
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if [[ -n "$old_gateway_interface" ]] && is_nat_set "$old_gateway_interface"; then
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unset_nat "${old_gateway_interface}"
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fi
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if ! is_nat_set $new_gateway_interface; then
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set_nat "${new_gateway_interface}"
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fi
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if has_ip6delegatedprefix && ! is_ip6addr_set; then
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set_ip6addr
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fi
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yunohost app setting __APP__ gateway_interface --value "${new_gateway_interface}"
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fi
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