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#!/bin/sh
. /lib/functions.sh
. ../netifd-proto.sh
init_proto "$@"
proto_openconnect_init_config() {
proto_config_add_string "server"
proto_config_add_int "port"
proto_config_add_string "username"
proto_config_add_string "serverhash"
proto_config_add_string "authgroup"
proto_config_add_string "password"
proto_config_add_string "token_mode"
proto_config_add_string "token_secret"
proto_config_add_string "interface"
no_device=1
available=1
}
proto_openconnect_setup() {
local config="$1"
json_get_vars server port username serverhash authgroup password interface token_mode token_secret
grep -q tun /proc/modules || insmod tun
logger -t openconnect "initializing..."
serv_addr=
for ip in $(resolveip -t 10 "$server"); do
( proto_add_host_dependency "$config" "$ip" $interface )
serv_addr=1
done
[ -n "$serv_addr" ] || {
logger -t openconnect "Could not resolve server address: '$server'"
sleep 60
proto_setup_failed "$config"
exit 1
}
[ -n "$port" ] && port=":$port"
cmdline="$server$port -i vpn-$config --non-inter --syslog --script /lib/netifd/vpnc-script"
# migrate to standard config files
[ -f "/etc/config/openconnect-user-cert-vpn-$config.pem" ] && mv "/etc/config/openconnect-user-cert-vpn-$config.pem" "/etc/openconnect/user-cert-vpn-$config.pem"
[ -f "/etc/config/openconnect-user-key-vpn-$config.pem" ] && mv "/etc/config/openconnect-user-key-vpn-$config.pem" "/etc/openconnect/user-key-vpn-$config.pem"
[ -f "/etc/config/openconnect-ca-vpn-$config.pem" ] && mv "/etc/config/openconnect-ca-vpn-$config.pem" "/etc/openconnect/ca-vpn-$config.pem"
[ -f /etc/openconnect/user-cert-vpn-$config.pem ] && append cmdline "-c /etc/openconnect/user-cert-vpn-$config.pem"
[ -f /etc/openconnect/user-key-vpn-$config.pem ] && append cmdline "--sslkey /etc/openconnect/user-key-vpn-$config.pem"
[ -f /etc/openconnect/ca-vpn-$config.pem ] && {
append cmdline "--cafile /etc/openconnect/ca-vpn-$config.pem"
append cmdline "--no-system-trust"
}
[ -n "$serverhash" ] && {
append cmdline " --servercert=$serverhash"
append cmdline "--no-system-trust"
}
[ -n "$authgroup" ] && append cmdline "--authgroup $authgroup"
[ -n "$username" ] && append cmdline "-u $username"
[ -n "$password" ] && {
umask 077
mkdir -p /var/etc
pwfile="/var/etc/openconnect-$config.passwd"
echo "$password" > "$pwfile"
append cmdline "--passwd-on-stdin"
}
[ -n "$token_mode" ] && append cmdline "--token-mode=$token_mode"
[ -n "$token_secret" ] && append cmdline "--token-secret=$token_secret"
proto_export INTERFACE="$config"
logger -t openconnect "executing 'openconnect $cmdline'"
if [ -f "$pwfile" ]; then
proto_run_command "$config" /usr/sbin/openconnect-wrapper $pwfile $cmdline
else
proto_run_command "$config" /usr/sbin/openconnect $cmdline
fi
}
proto_openconnect_teardown() {
local config="$1"
pwfile="/var/etc/openconnect-$config.passwd"
rm -f $pwfile
logger -t openconnect "bringing down openconnect"
proto_kill_command "$config" 2
}
add_protocol openconnect