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