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