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174 lines
5.1 KiB
174 lines
5.1 KiB
#!/bin/sh
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. /lib/functions.sh
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. /lib/functions/network.sh
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. ../netifd-proto.sh
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init_proto "$@"
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IPv4_REGEX="((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)"
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append_args() {
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while [ $# -gt 0 ]; do
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append cmdline "'${1//\'/\'\\\'\'}'"
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shift
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done
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}
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proto_openfortivpn_init_config() {
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proto_config_add_string "peeraddr"
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proto_config_add_int "port"
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proto_config_add_string "tunlink"
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proto_config_add_string "local_ip"
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proto_config_add_string "username"
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proto_config_add_string "password"
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proto_config_add_int "persist_int"
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proto_config_add_string "trusted_cert"
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proto_config_add_string "remote_status_check"
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no_device=1
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available=1
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}
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proto_openfortivpn_setup() {
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local config="$1"
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local msg ifname ip server_ips pwfile callfile
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local peeraddr port tunlink local_ip username password persist_int \
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trusted_cert remote_status_check
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json_get_vars host peeraddr port tunlink local_ip username password persist_int \
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trusted_cert remote_status_check
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ifname="vpn-$config"
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[ -n "$tunlink" ] && {
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network_get_device iface_device_name "$tunlink"
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network_is_up "$tunlink" || {
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msg="$tunlink is not up $iface_device_name"
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logger -t "openfortivpn" "$config: $msg"
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proto_notify_error "$config" "$msg"
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proto_block_restart "$config"
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exit 1
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}
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}
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if echo "$peeraddr" | grep -q -E "$IPv4_REGEX"; then
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server_ips="$peeraddr"
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elif command -v resolveip >/dev/null ; then
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server_ips="$(resolveip -4 -t 10 "$peeraddr")" || {
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msg="$config: failed to resolve server ip for $peeraddr"
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logger -t "openfortivpn" "$msg"
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sleep 10
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proto_notify_error "$config" "$msg"
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proto_setup_failed "$config"
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exit 1
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}
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else
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logger -t "openfortivpn" "resolveip not present, could not resolve $peeraddr"
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fi
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[ "$remote_status_check" = "curl" ] && {
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curl -k --head -s --connect-timeout 10 ${tunlink:+--interface} "$iface_device_name" "https://$peeraddr" > /dev/null || {
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msg="failed to reach https://$peeraddr${tunlink:+ on $iface_device_name}"
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logger -t "openfortivpn" "$config: $msg"
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sleep 10
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proto_notify_error "$config" "$msg"
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proto_setup_failed "$config"
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exit 1
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}
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}
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[ "$remote_status_check" = "ping" ] && {
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ping ${tunlink:+-I} "$iface_device_name" -c 1 -w 10 "$peeraddr" > /dev/null 2>&1 || {
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msg="$config: failed to ping $peeraddr on $iface_device_name"
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logger -t "openfortvpn" "$config: $msg"
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sleep 10
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proto_notify_error "$config" "$msg"
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proto_setup_failed "$config"
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exit 1
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}
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}
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if [ -n "$server_ips" ]; then
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for ip in $server_ips; do
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logger -p 6 -t "openfortivpn" "$config: adding host dependency for $ip on $tunlink at $config"
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proto_add_host_dependency "$config" "$ip" "$tunlink"
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done
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fi
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# uclient-fetch cannot bind to interface, so perform check after adding host dependency
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[ "$remote_status_check" = "fetch" ] && {
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uclient-fetch --no-check-certificate -q -s --timeout=10 "https://$peeraddr" > /dev/null 2>&1 || {
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msg="$config: failed to reach ${server_ip:-$peeraddr} on $iface_device_name"
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logger -t "openfortvpn" "$config: $msg"
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sleep 10
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proto_notify_error "$config" "$msg"
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proto_setup_failed "$config"
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exit 1
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}
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}
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[ -n "$port" ] && port=":$port"
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append_args "$peeraddr$port" --pppd-ifname="$ifname" --use-syslog -c /dev/null
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append_args "--set-dns=0"
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append_args "--no-routes"
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append_args "--pppd-use-peerdns=1"
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[ -n "$tunlink" ] && {
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append_args "--ifname=$iface_device_name"
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}
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[ -n "$persist_int" ] && append_args "--persistent=$persist_int"
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[ -n "$trusted_cert" ] && append_args "--trusted-cert=$trusted_cert"
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[ -n "$username" ] && append_args -u "$username"
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[ -n "$password" ] && {
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umask 077
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mkdir -p '/var/etc/openfortivpn'
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pwfile="/var/etc/openfortivpn/$config.passwd"
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echo "$password" > "$pwfile"
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}
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[ -n "$local_ip" ] || local_ip=192.0.2.1
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[ -e '/etc/ppp/peers' ] || mkdir -p '/etc/ppp/peers'
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[ -e '/etc/ppp/peers/openfortivpn' ] || {
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ln -s -T '/var/etc/openfortivpn/peers' '/etc/ppp/peers/openfortivpn' 2> /dev/null
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mkdir -p '/var/etc/openfortivpn/peers'
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}
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[ -f /etc/openfortivpn/user-cert-$config.pem ] && append_args "--user-cert=/etc/openfortivpn/user-cert-$config.pem"
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[ -f /etc/openfortivpn/user-key-$config.pem ] && append_args "--user-key=/etc/openfortivpn/user-key-$config.pem"
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[ -f /etc/openfortivpn/ca-$config.pem ] && append_args "--ca-file=/etc/openfortivpn/ca-$config.pem"
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callfile="/var/etc/openfortivpn/peers/$config"
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echo "115200
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:$local_ip
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noipdefault
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noaccomp
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noauth
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default-asyncmap
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nopcomp
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receive-all
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nodetach
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ipparam $config
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lcp-max-configure 40
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ip-up-script /lib/netifd/openfortivpn-ppp-up
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ip-down-script /lib/netifd/ppp-down
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mru 1354" > "$callfile"
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append_args "--pppd-call=openfortivpn/$config"
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logger -p 6 -t openfortivpn "$config: executing 'openfortivpn $cmdline'"
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eval "proto_run_command '$config' /usr/sbin/openfortivpn-wrapper '$pwfile' '$config' $cmdline"
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}
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proto_openfortivpn_teardown() {
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local config="$1"
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pwfile="/var/etc/openfortivpn/$config.passwd"
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callfile="/var/etc/openfortivpn/peers/$config"
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rm -f "$pwfile"
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rm -f "$callfile"
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proto_kill_command "$config" 2
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}
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add_protocol openfortivpn
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