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#!/bin/sh
. /lib/functions.sh
. ../netifd-proto.sh
init_proto "$@"
append_args() {
while [ $# -gt 0 ]; do
append cmdline "'${1//\'/\'\\\'\'}'"
shift
done
}
proto_openconnect_init_config() {
proto_config_add_string "server"
proto_config_add_int "port"
proto_config_add_int "mtu"
proto_config_add_int "juniper"
proto_config_add_string "vpn_protocol"
proto_config_add_boolean "no_dtls"
proto_config_add_string "interface"
proto_config_add_string "username"
proto_config_add_string "serverhash"
proto_config_add_string "authgroup"
proto_config_add_string "usergroup"
proto_config_add_string "password"
proto_config_add_string "password2"
proto_config_add_string "token_mode"
proto_config_add_string "token_secret"
proto_config_add_string "token_script"
proto_config_add_string "os"
proto_config_add_string "csd_wrapper"
proto_config_add_array 'form_entry:regex("[^:]+:[^=]+=.*")'
no_device=1
available=1
}
proto_openconnect_add_form_entry() {
[ -n "$1" ] && append_args --form-entry "$1"
}
proto_openconnect_setup() {
local config="$1"
json_get_vars \
authgroup \
csd_wrapper \
form_entry \
interface \
juniper \
vpn_protocol \
mtu \
no_dtls \
os \
password \
password2 \
port \
server \
serverhash \
token_mode \
token_script \
token_secret \
usergroup \
username \
grep -q tun /proc/modules || insmod tun
ifname="vpn-$config"
logger -t openconnect "initializing..."
logger -t "openconnect" "adding host dependency for $server at $config"
for ip in $(resolveip -t 10 "$server"); do
logger -t "openconnect" "adding host dependency for $ip at $config"
proto_add_host_dependency "$config" "$ip" "$interface"
done
[ -n "$port" ] && port=":$port"
append_args "$server$port" -i "$ifname" --non-inter --syslog --script /lib/netifd/vpnc-script
[ "$no_dtls" = 1 ] && append_args --no-dtls
[ -n "$mtu" ] && append_args --mtu "$mtu"
# 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_args -c "/etc/openconnect/user-cert-vpn-$config.pem"
[ -f /etc/openconnect/user-key-vpn-$config.pem ] && append_args --sslkey "/etc/openconnect/user-key-vpn-$config.pem"
[ -f /etc/openconnect/ca-vpn-$config.pem ] && {
append_args --cafile "/etc/openconnect/ca-vpn-$config.pem"
append_args --no-system-trust
}
if [ "${juniper:-0}" -gt 0 ]; then
append_args --juniper
fi
[ -n "$vpn_protocol" ] && {
append_args --protocol "$vpn_protocol"
}
[ -n "$serverhash" ] && {
append_args "--servercert=$serverhash"
append_args --no-system-trust
}
[ -n "$authgroup" ] && append_args --authgroup "$authgroup"
[ -n "$usergroup" ] && append_args --usergroup "$usergroup"
[ -n "$username" ] && append_args -u "$username"
[ -n "$password" ] || [ "$token_mode" = "script" ] && {
umask 077
mkdir -p /var/etc
pwfile="/var/etc/openconnect-$config.passwd"
[ -n "$password" ] && {
echo "$password" > "$pwfile"
[ -n "$password2" ] && echo "$password2" >> "$pwfile"
}
[ "$token_mode" = "script" ] && {
$token_script >> "$pwfile" 2> /dev/null || {
logger -t openconenct "Cannot get password from script '$token_script'"
proto_setup_failed "$config"
}
}
append_args --passwd-on-stdin
}
[ -n "$token_mode" -a "$token_mode" != "script" ] && append_args "--token-mode=$token_mode"
[ -n "$token_secret" ] && append_args "--token-secret=$token_secret"
[ -n "$os" ] && append_args "--os=$os"
[ -n "$csd_wrapper" ] && [ -x "$csd_wrapper" ] && append_args "--csd-wrapper=$csd_wrapper"
json_for_each_item proto_openconnect_add_form_entry form_entry
proto_export INTERFACE="$config"
logger -t openconnect "executing 'openconnect $cmdline'"
if [ -f "$pwfile" ]; then
eval "proto_run_command '$config' /usr/sbin/openconnect-wrapper '$pwfile' $cmdline"
else
eval "proto_run_command '$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