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- #!/bin/sh
- . /lib/functions.sh
- . ../netifd-proto.sh
- init_proto "$@"
-
- proto_vpnc_init_config() {
- proto_config_add_string "server"
- proto_config_add_string "username"
- proto_config_add_string "hexpasswd"
- 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"
- proto_config_add_string "passgroup"
- proto_config_add_string "hexpassgroup"
- proto_config_add_string "domain"
- proto_config_add_string "vendor"
- proto_config_add_string "natt_mode"
- proto_config_add_string "dh_group"
- proto_config_add_string "pfs"
- proto_config_add_boolean "enable_single_des"
- proto_config_add_boolean "enable_no_enc"
- proto_config_add_int "mtu"
- proto_config_add_string "local_addr"
- proto_config_add_int "local_port"
- proto_config_add_int "udp_port"
- proto_config_add_int "dpd_idle"
- proto_config_add_string "auth_mode"
- proto_config_add_string "target_network"
- proto_config_add_boolean "authfail"
- no_device=1
- available=1
- }
-
- proto_vpnc_setup() {
- local config="$1"
-
- json_get_vars server username hexpasswd authgroup password token_mode token_secret interface passgroup hexpassgroup domain vendor natt_mode dh_group pfs enable_single_des enable_no_enc mtu local_addr local_port udp_port dpd_idle auth_mode target_network authfail
-
- grep -q tun /proc/modules || insmod tun
-
- logger -t vpnc "initializing..."
- serv_addr=
- for ip in $(resolveip -t 10 "$server"); do
- ( proto_add_host_dependency "vpn-$config" "$ip" $interface )
- serv_addr=1
- done
- [ -n "$serv_addr" ] || {
- logger -t vpnc "Could not resolve server address: '$server'"
- sleep 60
- proto_setup_failed "$config"
- exit 1
- }
-
- mkdir -p /var/etc
- umask 077
- pwfile="/var/etc/vpnc-$config.conf"
- echo "IPSec gateway $server" > "$pwfile"
- cmdline="--no-detach --pid-file /var/run/vpnc-$config.pid --ifname vpn-$config --non-inter --script /lib/netifd/vpnc-script $pwfile"
-
- [ -f /etc/vpnc/ca-vpn-$config.pem ] && echo "CA-File /etc/vpnc/ca-vpn-$config.pem" >> "$pwfile"
- [ -n "$hexpasswd" ] && echo "Xauth obfuscated password $hexpasswd" >> "$pwfile"
- [ -n "$authgroup" ] && echo "IPSec ID $authgroup" >> "$pwfile"
- [ -n "$username" ] && echo "Xauth username $username" >> "$pwfile"
- [ -n "$password" ] && echo "Xauth password $password" >> "$pwfile"
- [ -n "$passgroup" ] && echo "IPSec secret $passgroup" >> "$pwfile"
- [ -n "$hexpassgroup" ] && echo "IPSec obfuscated secret $hexpassgroup" >> "$pwfile"
- [ -n "$domain" ] && echo "Domain $domain" >> "$pwfile"
- [ -n "$vendor" ] && echo "Vendor $vendor" >> "$pwfile"
- [ -n "$natt_mode" ] && echo "NAT Traversal Mode $natt_mode" >> "$pwfile"
- [ -n "$dh_group" ] && echo "IKE DH Group $dh_group" >> "$pwfile"
- [ -n "$pfs" ] && echo "Perfect Forward Secrecy $pfs" >> "$pwfile"
- [ "${enable_single_des:-0}" -gt 0 ] && echo "Enable Single DES" >> "$pwfile"
- [ "${enable_no_enc:-0}" -gt 0 ] && echo "Enable no encryption" >> "$pwfile"
- [ -n "$mtu" ] && echo "Interface MTU $mtu" >> "$pwfile"
- [ -n "$local_addr" ] && echo "Local Addr $local_addr" >> "$pwfile"
- [ -n "$local_port" ] && echo "Local Port $local_port" >> "$pwfile"
- [ -n "$udp_port" ] && echo "Cisco UDP Encapsulation Port $udp_port" >> "$pwfile"
- [ -n "$dpd_idle" ] && echo "DPD idle timeout (our side) $dpd_idle" >> "$pwfile"
- [ -n "$auth_mode" ] && echo "IKE Authmode $auth_mode" >> "$pwfile"
- [ -n "$target_network" ] && echo "IPSEC target network $target_network" >> "$pwfile"
-
- proto_export INTERFACE="$config"
- logger -t vpnc "executing 'vpnc $cmdline'"
- proto_run_command "$config" /usr/sbin/vpnc $cmdline
- }
-
- proto_vpnc_teardown() {
- local config="$1"
-
- pwfile="/var/etc/vpnc-$config.conf"
-
- json_get_var authfail authfail
- # On error exit (vpnc only has success = 0 and error = 1, so
- # we can't be fine-grained and say only auth error)
- # and authfail setting true, then don't retry starting vpnc
- # This is used for the case were the server blocks repeated
- # failed authentication attempts (which will occur if the password
- # is wrong, for example).
- if [ ${ERROR:-0} -gt 0 ] && [ "${authfail:-0}" -gt 0 ]; then
- proto_block_restart "$config"
- fi
-
- rm -f $pwfile
- logger -t vpnc "bringing down vpnc"
- proto_kill_command "$config" 2
- }
-
- add_protocol vpnc
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