openwrt-packages/net/openconnect/files/openconnect.sh

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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"
no_device=1
available=1
}
proto_openconnect_setup() {
local config="$1"
json_get_vars server port username serverhash authgroup password vgroup
grep -q tun /proc/modules || insmod tun
logger -t openconnect "initializing..."
serv_addr=
for ip in $(resolveip -t 5 "$server"); do
proto_add_host_dependency "$config" "$server"
serv_addr=1
done
[ -n "$serv_addr" ] || {
logger -t openconnect "Could not resolve server address"
sleep 5
proto_setup_failed "$config"
exit 1
}
[ -n "$port" ] && port=":$port"
cmdline="$server$port -i vpn-$config --non-inter --syslog --script /lib/netifd/vpnc-script"
[ -f /etc/openconnect/ca.pem ] && append cmdline "--cafile /etc/openconnect/ca.pem"
[ -f /etc/openconnect/user-cert.pem ] && append cmdline "-c /etc/openconnect/user-cert.pem"
[ -f /etc/openconnect/user-key.pem ] && append cmdline "--sslkey /etc/openconnect/user-key.pem"
[ -n "$serverhash" ] && append cmdline "--servercert=$serverhash"
[ -n "$authgroup" ] && append cmdline "--authgroup $authgroup"
[ -n "$username" ] && append cmdline "-u $username"
[ -n "$password" ] && {
umask 077
pwfile="/var/run/openconnect-$config.passwd"
echo "$password" > "$pwfile"
append cmdline "--passwd-on-stdin"
}
proto_export INTERFACE="$config"
logger -t openconnect "executing 'openconnect $cmdline'"
if [ -f "$pwfile" ];then
proto_run_command "$config" /usr/sbin/openconnect $cmdline <$pwfile
else
proto_run_command "$config" /usr/sbin/openconnect $cmdline
fi
}
proto_openconnect_teardown() {
pwfile="/var/run/openconnect-$config.passwd"
rm -f $pwfile
logger -t openconnect "bringing down openconnect"
proto_kill_command "$config"
}
add_protocol openconnect