mirror of
https://github.com/YunoHost-Apps/hotspot_ynh.git
synced 2024-09-03 19:25:53 +02:00
391 lines
8.2 KiB
Bash
391 lines
8.2 KiB
Bash
#!/bin/bash
|
|
### BEGIN INIT INFO
|
|
# Provides: ynh-hotspot
|
|
# Required-Start: $network $remote_fs $syslog
|
|
# Required-Stop: $network $remote_fs $syslog
|
|
# Default-Start: 2 3 4 5
|
|
# Default-Stop: 0 1 6
|
|
# Short-Description: Set prerequisites for wifi hotspot.
|
|
# Description: Set prerequisites for wifi hotspot.
|
|
### END INIT INFO
|
|
|
|
# Functions
|
|
## State functions
|
|
|
|
is_ndproxy_set() {
|
|
proxy=$(ip -6 neighbour show proxy)
|
|
[ ! -z "${proxy}" ]
|
|
}
|
|
|
|
is_nat_set() {
|
|
internet_device=$1
|
|
|
|
iptables -nvt nat -L POSTROUTING | grep MASQUERADE | grep -q "${internet_device}"
|
|
}
|
|
|
|
is_ip4nataddr_set() {
|
|
ip address show dev "${ynh_wifi_device}" 2> /dev/null | grep -q "${ynh_ip4_nat_prefix}.1/24"
|
|
}
|
|
|
|
is_ip6addr_set() {
|
|
ip address show dev "${ynh_wifi_device}" 2> /dev/null | grep -q "${ynh_ip6_addr}/64"
|
|
}
|
|
|
|
is_forwarding_set() {
|
|
ip6=$(sysctl net.ipv6.conf.all.forwarding | awk '{ print $NF; }')
|
|
ip4=$(sysctl net.ipv4.conf.all.forwarding | awk '{ print $NF; }')
|
|
|
|
[ "${ip6}" -eq 1 -a "${ip4}" -eq 1 ]
|
|
}
|
|
|
|
is_hostapd_running() {
|
|
service hostapd status &> /dev/null
|
|
}
|
|
|
|
is_radvd_running() {
|
|
service radvd status &> /dev/null
|
|
}
|
|
|
|
is_dhcpd_running() {
|
|
service isc-dhcp-server status &> /dev/null
|
|
}
|
|
|
|
is_running() {
|
|
is_ndproxy_set && is_nat_set "${new_internet_device}" && is_ip4nataddr_set\
|
|
&& is_ip6addr_set && is_forwarding_set && is_hostapd_running\
|
|
&& is_radvd_running && is_dhcpd_running
|
|
}
|
|
|
|
## Setters
|
|
|
|
set_ndproxy() {
|
|
ip -6 neighbour add proxy "${ynh_ip6_addr}" dev "${ynh_wifi_device}"
|
|
}
|
|
|
|
set_nat() {
|
|
internet_device=$1
|
|
|
|
iptables -t nat -A POSTROUTING -o "${internet_device}" -j MASQUERADE
|
|
}
|
|
|
|
set_ip4nataddr() {
|
|
ip address add "${ynh_ip4_nat_prefix}.1/24" dev "${ynh_wifi_device}"
|
|
}
|
|
|
|
set_ip6addr() {
|
|
ip address add "${ynh_ip6_addr}/64" dev "${ynh_wifi_device}"
|
|
}
|
|
|
|
set_forwarding() {
|
|
sysctl -w net.ipv6.conf.all.forwarding=1 > /dev/null
|
|
sysctl -w net.ipv4.conf.all.forwarding=1 > /dev/null
|
|
}
|
|
|
|
start_hostapd() {
|
|
cp /etc/hostapd/hostapd.conf{.tpl,}
|
|
|
|
sed "s|<TPL:WIFI_DEVICE>|${ynh_wifi_device}|g" -i /etc/hostapd/hostapd.conf
|
|
sed "s|<TPL:WIFI_SSID>|${ynh_wifi_ssid}|g" -i /etc/hostapd/hostapd.conf
|
|
sed "s|<TPL:WIFI_PASSPHRASE>|${ynh_wifi_passphrase}|g" -i /etc/hostapd/hostapd.conf
|
|
|
|
service hostapd start
|
|
}
|
|
|
|
start_radvd() {
|
|
cp /etc/radvd.conf{.tpl,}
|
|
|
|
sed "s|<TPL:WIFI_DEVICE>|${ynh_wifi_device}|g" -i /etc/radvd.conf
|
|
sed "s|<TPL:IP6_NET>|${ynh_ip6_net}|g" -i /etc/radvd.conf
|
|
sed "s|<TPL:IP6_DNS0>|${ynh_ip6_dns0}|g" -i /etc/radvd.conf
|
|
sed "s|<TPL:IP6_DNS1>|${ynh_ip6_dns1}|g" -i /etc/radvd.conf
|
|
|
|
service radvd start
|
|
}
|
|
|
|
start_dhcpd() {
|
|
cp /etc/dhcp/dhcpd.conf{.tpl,}
|
|
|
|
sed "s|<TPL:IP4_DNS0>|${ynh_ip4_dns0}|g" -i /etc/dhcp/dhcpd.conf
|
|
sed "s|<TPL:IP4_DNS1>|${ynh_ip4_dns1}|g" -i /etc/dhcp/dhcpd.conf
|
|
sed "s|<TPL:WIFI_DEVICE>|${ynh_wifi_device}|g" -i /etc/dhcp/dhcpd.conf
|
|
sed "s|<TPL:IP4_NAT_PREFIX>|${ynh_ip4_nat_prefix}|g" -i /etc/dhcp/dhcpd.conf
|
|
|
|
service isc-dhcp-server start
|
|
}
|
|
|
|
## Unsetters
|
|
|
|
unset_ndproxy() {
|
|
ip -6 neighbour delete proxy "${ynh_ip6_addr}" dev "${ynh_wifi_device}"
|
|
}
|
|
|
|
unset_nat() {
|
|
internet_device=$1
|
|
|
|
iptables -t nat -D POSTROUTING -o "${internet_device}" -j MASQUERADE
|
|
}
|
|
|
|
unset_ip4nataddr() {
|
|
ip address delete "${ynh_ip4_nat_prefix}.1/24" dev "${ynh_wifi_device}"
|
|
}
|
|
|
|
unset_ip6addr() {
|
|
ip address delete "${ynh_ip6_addr}/64" dev "${ynh_wifi_device}"
|
|
}
|
|
|
|
unset_forwarding() {
|
|
sysctl -w net.ipv6.conf.all.forwarding=0 > /dev/null
|
|
sysctl -w net.ipv4.conf.all.forwarding=0 > /dev/null
|
|
}
|
|
|
|
stop_hostapd() {
|
|
service hostapd stop
|
|
}
|
|
|
|
stop_radvd() {
|
|
service radvd stop
|
|
}
|
|
|
|
stop_dhcpd() {
|
|
service isc-dhcp-server stop
|
|
}
|
|
|
|
## Tools
|
|
|
|
moulinette_get() {
|
|
var=$1
|
|
|
|
value=$(yunohost app setting hotspot "${var}")
|
|
|
|
if [[ "${value}" =~ "An instance is already running" ]]; then
|
|
echo "${value}" >&2
|
|
exit 1
|
|
fi
|
|
|
|
echo "${value}"
|
|
}
|
|
|
|
moulinette_set() {
|
|
var=$1
|
|
value=$2
|
|
|
|
msg=$(yunohost app setting hotspot "${var}" -v "${value}")
|
|
|
|
if [ ! $? -eq 0 ]; then
|
|
echo "${msg}" >&2
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
# Variables
|
|
|
|
echo -n "Retrieving Yunohost settings... "
|
|
|
|
ynh_wifi_device=$(moulinette_get wifi_device)
|
|
ynh_wifi_ssid=$(moulinette_get wifi_ssid)
|
|
ynh_wifi_passphrase=$(moulinette_get wifi_passphrase)
|
|
ynh_ip6_addr=$(moulinette_get ip6_addr)
|
|
ynh_ip6_net=$(moulinette_get ip6_net)
|
|
ynh_ip6_dns0=$(moulinette_get ip6_dns0)
|
|
ynh_ip6_dns1=$(moulinette_get ip6_dns1)
|
|
ynh_ip4_dns0=$(moulinette_get ip4_dns0)
|
|
ynh_ip4_dns1=$(moulinette_get ip4_dns1)
|
|
ynh_ip4_nat_prefix=$(moulinette_get ip4_nat_prefix)
|
|
|
|
old_internet_device=$(moulinette_get internet_device)
|
|
new_internet_device=$(ip route | awk '/default via/ { print $NF; }')
|
|
|
|
# Switch the NAT interface if there is a VPN
|
|
ip link show dev tun0 &> /dev/null
|
|
if [ "$?" -eq 0 ]; then
|
|
new_internet_device=tun0
|
|
fi
|
|
|
|
echo "OK"
|
|
|
|
# Script
|
|
|
|
case "$1" in
|
|
start)
|
|
if is_running; then
|
|
echo "Already started"
|
|
else
|
|
echo "Starting..."
|
|
|
|
# Set NDP proxy
|
|
if ! is_ndproxy_set; then
|
|
echo "Set NDP proxy"
|
|
set_ndproxy
|
|
fi
|
|
|
|
# Check old state of the ipv4 NAT settings
|
|
if [ ! -z "${old_internet_device}" -a "${new_internet_device}" != "${old_internet_device}" ]\
|
|
&& is_nat_set "${old_internet_device}"; then
|
|
|
|
unset_nat "${old_internet_device}"
|
|
fi
|
|
|
|
# Set ipv4 NAT
|
|
if ! is_nat_set "${new_internet_device}"; then
|
|
echo "Set NAT"
|
|
set_nat "${new_internet_device}"
|
|
fi
|
|
|
|
# Set ipv4 NAT address
|
|
if ! is_ip4nataddr_set; then
|
|
echo "Set IPv4 NAT address"
|
|
set_ip4nataddr
|
|
fi
|
|
|
|
# Set the ipv6 address
|
|
if ! is_ip6addr_set; then
|
|
echo "Set IPv6 address"
|
|
set_ip6addr
|
|
fi
|
|
|
|
# Set forwarding for ipv6 and ipv4
|
|
if ! is_forwarding_set; then
|
|
echo "Set forwarding"
|
|
set_forwarding
|
|
fi
|
|
|
|
# Run hostapd
|
|
if ! is_hostapd_running; then
|
|
echo "Run hostapd"
|
|
start_hostapd
|
|
sleep 1
|
|
fi
|
|
|
|
# Run radvd
|
|
# must be running after hostapd
|
|
if ! is_radvd_running; then
|
|
echo "Run radvd"
|
|
start_radvd
|
|
fi
|
|
|
|
# Run dhcpd
|
|
# "options routers" addr (is_ip6addr_set) must be set before
|
|
if ! is_dhcpd_running; then
|
|
echo "Run dhcpd"
|
|
start_dhcpd
|
|
fi
|
|
fi
|
|
|
|
# Update dynamic settings
|
|
moulinette_set internet_device "${new_internet_device}"
|
|
;;
|
|
stop)
|
|
echo "Stopping..."
|
|
|
|
if is_ndproxy_set; then
|
|
echo "Unset NDP proxy"
|
|
unset_ndproxy
|
|
fi
|
|
|
|
if is_nat_set "${old_internet_device}"; then
|
|
echo "Unset NAT"
|
|
unset_nat "${old_internet_device}"
|
|
fi
|
|
|
|
if is_ip4nataddr_set; then
|
|
echo "Unset IPv4 NAT address"
|
|
unset_ip4nataddr
|
|
fi
|
|
|
|
if is_ip6addr_set; then
|
|
echo "Unset IPv6 address"
|
|
unset_ip6addr
|
|
fi
|
|
|
|
if is_forwarding_set; then
|
|
echo "Unset forwarding"
|
|
unset_forwarding
|
|
fi
|
|
|
|
if is_hostapd_running; then
|
|
echo "Stop hostapd"
|
|
stop_hostapd
|
|
fi
|
|
|
|
if is_radvd_running; then
|
|
echo "Stop radvd"
|
|
stop_radvd
|
|
fi
|
|
|
|
if is_dhcpd_running; then
|
|
echo "Stop dhcpd"
|
|
stop_dhcpd
|
|
fi
|
|
;;
|
|
restart)
|
|
$0 stop
|
|
$0 start
|
|
;;
|
|
status)
|
|
exitcode=0
|
|
|
|
if is_ndproxy_set; then
|
|
echo "NDP proxy is correctly set"
|
|
else
|
|
echo "NDP proxy is NOT set"
|
|
exitcode=1
|
|
fi
|
|
|
|
if is_nat_set "${new_internet_device}"; then
|
|
echo "NAT is correctly set"
|
|
else
|
|
echo "NAT is NOT set"
|
|
exitcode=1
|
|
fi
|
|
|
|
if is_ip4nataddr_set; then
|
|
echo "IPv4 NAT address is correctly set"
|
|
else
|
|
echo "IPv4 NAT address is NOT set"
|
|
exitcode=1
|
|
fi
|
|
|
|
if is_ip6addr_set; then
|
|
echo "IPv6 address is correctly set"
|
|
else
|
|
echo "IPv6 address is NOT set"
|
|
exitcode=1
|
|
fi
|
|
|
|
if is_forwarding_set; then
|
|
echo "Forwarding is correctly set"
|
|
else
|
|
echo "Forwarding is NOT set"
|
|
exitcode=1
|
|
fi
|
|
|
|
if is_hostapd_running; then
|
|
echo "Hostapd is running"
|
|
else
|
|
echo "Hostapd is NOT running"
|
|
exitcode=1
|
|
fi
|
|
|
|
if is_radvd_running; then
|
|
echo "Radvd is running"
|
|
else
|
|
echo "Radvd is NOT running"
|
|
exitcode=1
|
|
fi
|
|
|
|
if is_dhcpd_running; then
|
|
echo "Dhcpd is running"
|
|
else
|
|
echo "Dhcpd is NOT running"
|
|
exitcode=1
|
|
fi
|
|
|
|
exit ${exitcode}
|
|
;;
|
|
*)
|
|
echo "Usage: $0 {start|stop|restart|status}"
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
exit 0
|