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nm_setting_vpn_vpnc.go
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nm_setting_vpn_vpnc.go
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/**
* Copyright (c) 2014 Deepin, Inc.
* 2014 Xu FaSheng
*
* Author: Xu FaSheng <[email protected]>
* Maintainer: Xu FaSheng <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
**/
package network
import . "dlib/gettext"
const (
NM_DBUS_SERVICE_VPNC = "org.freedesktop.NetworkManager.vpnc"
NM_DBUS_INTERFACE_VPNC = "org.freedesktop.NetworkManager.vpnc"
NM_DBUS_PATH_VPNC = "/org/freedesktop/NetworkManager/vpnc"
)
const (
nmVpnVpncServiceFile = VPN_NAME_FILES_DIR + "nm-vpnc-service.name"
nmVpnVpncServiceBin = "/usr/lib/NetworkManager/nm-vpnc-service"
nmVpnVpncHelperBin = "/usr/lib/NetworkManager/nm-vpnc-service-vpnc-helper"
nmVpnVpncAuthDlgBin = "/usr/lib/NetworkManager/nm-vpnc-auth-dialog"
)
const (
NM_SETTING_VPN_VPNC_KEY_GATEWAY = "IPSec gateway"
NM_SETTING_VPN_VPNC_KEY_XAUTH_USER = "Xauth username"
NM_SETTING_VPN_VPNC_KEY_XAUTH_PASSWORD = "Xauth password"
NM_SETTING_VPN_VPNC_KEY_XAUTH_PASSWORD_TYPE = "xauth-password-type"
NM_SETTING_VPN_VPNC_KEY_XAUTH_PASSWORD_FLAGS = "Xauth password-flags"
NM_SETTING_VPN_VPNC_KEY_ID = "IPSec ID"
NM_SETTING_VPN_VPNC_KEY_SECRET = "IPSec secret"
NM_SETTING_VPN_VPNC_KEY_SECRET_TYPE = "ipsec-secret-type"
NM_SETTING_VPN_VPNC_KEY_SECRET_FLAGS = "IPSec secret-flags"
NM_SETTING_VPN_VPNC_KEY_AUTHMODE = "IKE Authmode"
NM_SETTING_VPN_VPNC_KEY_CA_FILE = "CA-File"
NM_SETTING_VPN_VPNC_KEY_DOMAIN = "Domain"
NM_SETTING_VPN_VPNC_KEY_VENDOR = "Vendor"
NM_SETTING_VPN_VPNC_KEY_APP_VERSION = "Application Version"
NM_SETTING_VPN_VPNC_KEY_SINGLE_DES = "Enable Single DES"
NM_SETTING_VPN_VPNC_KEY_NO_ENCRYPTION = "Enable no encryption"
NM_SETTING_VPN_VPNC_KEY_NAT_TRAVERSAL_MODE = "NAT Traversal Mode"
NM_SETTING_VPN_VPNC_KEY_DHGROUP = "IKE DH Group"
NM_SETTING_VPN_VPNC_KEY_PERFECT_FORWARD = "Perfect Forward Secrecy"
NM_SETTING_VPN_VPNC_KEY_LOCAL_PORT = "Local Port"
NM_SETTING_VPN_VPNC_KEY_DPD_IDLE_TIMEOUT = "DPD idle timeout (our side)"
NM_SETTING_VPN_VPNC_KEY_CISCO_UDP_ENCAPS_PORT = "Cisco UDP Encapsulation Port"
)
const (
NM_VPNC_NATT_MODE_NATT = "natt"
NM_VPNC_NATT_MODE_NONE = "none"
NM_VPNC_NATT_MODE_NATT_ALWAYS = "force-natt"
NM_VPNC_NATT_MODE_CISCO = "cisco-udp"
)
const (
NM_VPNC_PW_TYPE_SAVE = "save" // -> flags 1
NM_VPNC_PW_TYPE_ASK = "ask" // -> flags 3
NM_VPNC_PW_TYPE_UNUSED = "unused" // -> flags 5
)
const (
NM_VPNC_DHGROUP_DH1 = "dh1"
NM_VPNC_DHGROUP_DH2 = "dh2"
NM_VPNC_DHGROUP_DH5 = "dh5"
)
const (
NM_VPNC_PFS_SERVER = "server"
NM_VPNC_PFS_NOPFS = "nopfs"
NM_VPNC_PFS_DH1 = "dh1"
NM_VPNC_PFS_DH2 = "dh2"
NM_VPNC_PFS_DH5 = "dh5"
)
const (
NM_VPNC_VENDOR_CISCO = "cisco"
NM_VPNC_VENDOR_NETSCREEN = "netscreen"
)
// vpn key descriptions
// static ValidProperty valid_properties[] = {
// { NM_VPNC_KEY_GATEWAY, ITEM_TYPE_STRING, 0, 0 },
// { NM_VPNC_KEY_ID, ITEM_TYPE_STRING, 0, 0 },
// { NM_VPNC_KEY_XAUTH_USER, ITEM_TYPE_STRING, 0, 0 },
// { NM_VPNC_KEY_DOMAIN, ITEM_TYPE_STRING, 0, 0 },
// { NM_VPNC_KEY_DHGROUP, ITEM_TYPE_STRING, 0, 0 },
// { NM_VPNC_KEY_PERFECT_FORWARD, ITEM_TYPE_STRING, 0, 0 },
// { NM_VPNC_KEY_VENDOR, ITEM_TYPE_STRING, 0, 0 },
// { NM_VPNC_KEY_APP_VERSION, ITEM_TYPE_STRING, 0, 0 },
// { NM_VPNC_KEY_SINGLE_DES, ITEM_TYPE_BOOLEAN, 0, 0 },
// { NM_VPNC_KEY_NO_ENCRYPTION, ITEM_TYPE_BOOLEAN, 0, 0 },
// { NM_VPNC_KEY_DPD_IDLE_TIMEOUT, ITEM_TYPE_INT, 0, 86400 },
// { NM_VPNC_KEY_NAT_TRAVERSAL_MODE, ITEM_TYPE_STRING, 0, 0 },
// { NM_VPNC_KEY_CISCO_UDP_ENCAPS_PORT, ITEM_TYPE_INT, 0, 65535 },
// { NM_VPNC_KEY_LOCAL_PORT, ITEM_TYPE_INT, 0, 65535 },
// /* Hybrid Auth */
// { NM_VPNC_KEY_AUTHMODE, ITEM_TYPE_STRING, 0, 0 },
// { NM_VPNC_KEY_CA_FILE, ITEM_TYPE_PATH, 0, 0 },
// /* Ignored option for internal use */
// { NM_VPNC_KEY_SECRET_TYPE, ITEM_TYPE_IGNORED, 0, 0 },
// { NM_VPNC_KEY_XAUTH_PASSWORD_TYPE, ITEM_TYPE_IGNORED, 0, 0 },
// { NM_VPNC_KEY_SECRET"-flags", ITEM_TYPE_IGNORED, 0, 0 },
// { NM_VPNC_KEY_XAUTH_PASSWORD"-flags",ITEM_TYPE_IGNORED, 0, 0 },
// /* Legacy options that are ignored */
// { LEGACY_NAT_KEEPALIVE, ITEM_TYPE_STRING, 0, 0 },
// { NULL, ITEM_TYPE_UNKNOWN, 0, 0 }
// }
// static ValidProperty valid_secrets[] = {
// { NM_OPENVPN_KEY_PASSWORD, G_TYPE_STRING, 0, 0, FALSE },
// { NM_OPENVPN_KEY_CERTPASS, G_TYPE_STRING, 0, 0, FALSE },
// { NM_OPENVPN_KEY_NOSECRET, G_TYPE_STRING, 0, 0, FALSE },
// { NM_OPENVPN_KEY_HTTP_PROXY_PASSWORD, G_TYPE_STRING, 0, 0, FALSE },
// { NULL, G_TYPE_NONE, FALSE }
// };
// static ValidProperty valid_secrets[] = {
// { NM_VPNC_KEY_SECRET, ITEM_TYPE_STRING, 0, 0 },
// { NM_VPNC_KEY_XAUTH_PASSWORD, ITEM_TYPE_STRING, 0, 0 },
// { NULL, ITEM_TYPE_UNKNOWN, 0, 0 }
// };
// Define secret flags
const (
NM_VPNC_SECRET_FLAG_NONE = 0
NM_VPNC_SECRET_FLAG_SAVE = 1
NM_VPNC_SECRET_FLAG_ASK = 3
NM_VPNC_SECRET_FLAG_UNUSED = 5
)
var availableValuesNMVpncSecretFlag = []kvalue{
kvalue{NM_VPNC_SECRET_FLAG_NONE, Tr("Saved")},
// kvalue{NM_VPNC_SECRET_FLAG_SAVE, Tr("Saved")},
kvalue{NM_VPNC_SECRET_FLAG_ASK, Tr("Always Ask")},
kvalue{NM_VPNC_SECRET_FLAG_UNUSED, Tr("Not Required")},
}
func isVpnVpncRequireSecret(flag uint32) bool {
if flag == NM_VPNC_SECRET_FLAG_NONE || flag == NM_VPNC_SECRET_FLAG_SAVE {
return true
}
return false
}
func isVpnVpncNeedShowSecret(data connectionData) bool {
return isVpnVpncRequireSecret(getSettingVpnVpncKeySecretFlags(data))
}
func isVpnVpncNeedShowXauthPassword(data connectionData) bool {
return isVpnVpncRequireSecret(getSettingVpnVpncKeyXauthPasswordFlags(data))
}
// new connection data
func newVpnVpncConnectionData(id, uuid string) (data connectionData) {
data = newBasicVpnConnectionData(id, uuid)
initSettingSectionVpnPptp(data)
return
}
func initSettingSectionVpnVpnc(data connectionData) {
initBasicSettingSectionVpn(data, NM_DBUS_SERVICE_VPNC)
setSettingVpnVpncKeyNatTraversalMode(data, NM_VPNC_NATT_MODE_NATT)
logicSetSettingVpnVpncKeySecretFlags(data, NM_VPNC_SECRET_FLAG_NONE)
logicSetSettingVpnVpncKeyXauthPasswordFlags(data, NM_VPNC_SECRET_FLAG_NONE)
setSettingVpnVpncKeyVendor(data, NM_VPNC_VENDOR_CISCO)
setSettingVpnVpncKeyPerfectForward(data, NM_VPNC_PFS_SERVER)
setSettingVpnVpncKeyDhgroup(data, NM_VPNC_DHGROUP_DH2)
setSettingVpnVpncKeyLocalPort(data, 0)
}
// vpn-vpnc
func getSettingVpnVpncAvailableKeys(data connectionData) (keys []string) {
keys = appendAvailableKeys(data, keys, sectionVpnVpnc, NM_SETTING_VPN_VPNC_KEY_GATEWAY)
keys = appendAvailableKeys(data, keys, sectionVpnVpnc, NM_SETTING_VPN_VPNC_KEY_XAUTH_USER)
keys = appendAvailableKeys(data, keys, sectionVpnVpnc, NM_SETTING_VPN_VPNC_KEY_XAUTH_PASSWORD_FLAGS)
if isVpnVpncNeedShowXauthPassword(data) {
keys = appendAvailableKeys(data, keys, sectionVpnVpnc, NM_SETTING_VPN_VPNC_KEY_XAUTH_PASSWORD)
}
keys = appendAvailableKeys(data, keys, sectionVpnVpnc, NM_SETTING_VPN_VPNC_KEY_ID)
keys = appendAvailableKeys(data, keys, sectionVpnVpnc, NM_SETTING_VPN_VPNC_KEY_SECRET_FLAGS)
if isVpnVpncNeedShowSecret(data) {
keys = appendAvailableKeys(data, keys, sectionVpnVpnc, NM_SETTING_VPN_VPNC_KEY_SECRET)
}
keys = appendAvailableKeys(data, keys, sectionVpnVpnc, NM_SETTING_VPN_VPNC_KEY_AUTHMODE)
if getSettingVkVpnVpncKeyHybridAuthmode(data) {
keys = appendAvailableKeys(data, keys, sectionVpnVpnc, NM_SETTING_VPN_VPNC_KEY_CA_FILE)
}
return
}
func getSettingVpnVpncAvailableValues(data connectionData, key string) (values []kvalue) {
switch key {
case NM_SETTING_VPN_VPNC_KEY_XAUTH_PASSWORD_FLAGS:
values = availableValuesNMVpncSecretFlag
case NM_SETTING_VPN_VPNC_KEY_SECRET_FLAGS:
values = availableValuesNMVpncSecretFlag
}
return
}
func checkSettingVpnVpncValues(data connectionData) (errs sectionErrors) {
errs = make(map[string]string)
if isVpnVpncNeedShowXauthPassword(data) {
ensureSettingVpnVpncKeyXauthPasswordNoEmpty(data, errs)
}
if isVpnVpncNeedShowSecret(data) {
ensureSettingVpnVpncKeySecretNoEmpty(data, errs)
}
ensureSettingVpnVpncKeyGatewayNoEmpty(data, errs)
ensureSettingVpnVpncKeyIdNoEmpty(data, errs)
checkSettingVpnVpncCaFile(data, errs)
return
}
func checkSettingVpnVpncCaFile(data connectionData, errs sectionErrors) {
if !isSettingVpnVpncKeyCaFileExists(data) {
return
}
value := getSettingVpnVpncKeyCaFile(data)
ensureFileExists(errs, sectionVpnVpnc, NM_SETTING_VPN_VPNC_KEY_CA_FILE, value,
".pem", ".crt", ".cer")
}
// vpn-vpnc-advanced
func getSettingVpnVpncAdvancedAvailableKeys(data connectionData) (keys []string) {
keys = appendAvailableKeys(data, keys, sectionVpnVpncAdvanced, NM_SETTING_VPN_VPNC_KEY_DOMAIN)
keys = appendAvailableKeys(data, keys, sectionVpnVpncAdvanced, NM_SETTING_VPN_VPNC_KEY_VENDOR)
keys = appendAvailableKeys(data, keys, sectionVpnVpncAdvanced, NM_SETTING_VPN_VPNC_KEY_APP_VERSION)
keys = appendAvailableKeys(data, keys, sectionVpnVpncAdvanced, NM_SETTING_VPN_VPNC_KEY_SINGLE_DES)
keys = appendAvailableKeys(data, keys, sectionVpnVpncAdvanced, NM_SETTING_VPN_VPNC_KEY_NO_ENCRYPTION)
keys = appendAvailableKeys(data, keys, sectionVpnVpncAdvanced, NM_SETTING_VPN_VPNC_KEY_NAT_TRAVERSAL_MODE)
keys = appendAvailableKeys(data, keys, sectionVpnVpncAdvanced, NM_SETTING_VPN_VPNC_KEY_DHGROUP)
keys = appendAvailableKeys(data, keys, sectionVpnVpncAdvanced, NM_SETTING_VPN_VPNC_KEY_PERFECT_FORWARD)
keys = appendAvailableKeys(data, keys, sectionVpnVpncAdvanced, NM_SETTING_VPN_VPNC_KEY_LOCAL_PORT)
keys = appendAvailableKeys(data, keys, sectionVpnVpncAdvanced, NM_SETTING_VPN_VPNC_KEY_DPD_IDLE_TIMEOUT)
return
}
func getSettingVpnVpncAdvancedAvailableValues(data connectionData, key string) (values []kvalue) {
switch key {
case NM_SETTING_VPN_VPNC_KEY_VENDOR:
values = []kvalue{
kvalue{NM_VPNC_VENDOR_CISCO, Tr("Cisco (default)")},
kvalue{NM_VPNC_VENDOR_NETSCREEN, Tr("Netscreen")},
}
case NM_SETTING_VPN_VPNC_KEY_NAT_TRAVERSAL_MODE:
values = []kvalue{
kvalue{NM_VPNC_NATT_MODE_NATT, Tr("NAT-T When Available (default)")},
kvalue{NM_VPNC_NATT_MODE_NATT_ALWAYS, Tr("NAT-T Always")},
kvalue{NM_VPNC_NATT_MODE_CISCO, Tr("Cisco UDP")},
kvalue{NM_VPNC_NATT_MODE_NONE, Tr("Disabled")},
}
case NM_SETTING_VPN_VPNC_KEY_DHGROUP:
values = []kvalue{
kvalue{NM_VPNC_DHGROUP_DH1, Tr("DH Group 1")},
kvalue{NM_VPNC_DHGROUP_DH2, Tr("DH Group 2 (default)")},
kvalue{NM_VPNC_DHGROUP_DH5, Tr("DH Group 5")},
}
case NM_SETTING_VPN_VPNC_KEY_PERFECT_FORWARD:
values = []kvalue{
kvalue{NM_VPNC_PFS_SERVER, Tr("Server (default)")},
kvalue{NM_VPNC_PFS_NOPFS, Tr("None")},
kvalue{NM_VPNC_PFS_DH1, Tr("DH Group 1")},
kvalue{NM_VPNC_PFS_DH2, Tr("DH Group 2")},
kvalue{NM_VPNC_PFS_DH5, Tr("DH Group 5")},
}
}
return
}
func checkSettingVpnVpncAdvancedValues(data connectionData) (errs sectionErrors) {
errs = make(map[string]string)
return
}
// Logic setter
func logicSetSettingVpnVpncKeySecretFlags(data connectionData, value uint32) (err error) {
switch value {
case NM_VPNC_SECRET_FLAG_NONE:
setSettingVpnVpncKeySecretType(data, NM_VPNC_PW_TYPE_SAVE)
case NM_VPNC_SECRET_FLAG_SAVE:
setSettingVpnVpncKeySecretType(data, NM_VPNC_PW_TYPE_SAVE)
case NM_VPNC_SECRET_FLAG_ASK:
setSettingVpnVpncKeySecretType(data, NM_VPNC_PW_TYPE_ASK)
case NM_VPNC_SECRET_FLAG_UNUSED:
setSettingVpnVpncKeySecretType(data, NM_VPNC_PW_TYPE_UNUSED)
}
setSettingVpnVpncKeySecretFlags(data, value)
return
}
func logicSetSettingVpnVpncKeyXauthPasswordFlags(data connectionData, value uint32) (err error) {
switch value {
case NM_VPNC_SECRET_FLAG_NONE:
setSettingVpnVpncKeyXauthPasswordType(data, NM_VPNC_PW_TYPE_SAVE)
case NM_VPNC_SECRET_FLAG_SAVE:
setSettingVpnVpncKeyXauthPasswordType(data, NM_VPNC_PW_TYPE_SAVE)
case NM_VPNC_SECRET_FLAG_ASK:
setSettingVpnVpncKeyXauthPasswordType(data, NM_VPNC_PW_TYPE_ASK)
case NM_VPNC_SECRET_FLAG_UNUSED:
setSettingVpnVpncKeyXauthPasswordType(data, NM_VPNC_PW_TYPE_UNUSED)
}
setSettingVpnVpncKeyXauthPasswordFlags(data, value)
return
}
// Virtual key getter
func getSettingVkVpnVpncKeyHybridAuthmode(data connectionData) (value bool) {
if isSettingVpnVpncKeyAuthmodeExists(data) {
return true
}
return false
}
func getSettingVkVpnVpncKeyEncryptionMethod(data connectionData) (value string) {
if getSettingVpnVpncKeySingleDes(data) {
return "weak"
} else if getSettingVpnVpncKeyNoEncryption(data) {
return "none"
}
return "secure"
}
func getSettingVkVpnVpncKeyDisableDpd(data connectionData) (value bool) {
if isSettingVpnVpncKeyDpdIdleTimeoutExists(data) && getSettingVpnVpncKeyDpdIdleTimeout(data) == 0 {
return true
}
return false
}
// Virtual key logic setter, all virtual keys has a logic setter
func logicSetSettingVkVpnVpncKeyHybridAuthmode(data connectionData, value bool) (err error) {
if value {
setSettingVpnVpncKeyAuthmode(data, "hybrid")
} else {
removeSettingVpnVpncKeyAuthmode(data)
}
return
}
func logicSetSettingVkVpnVpncKeyEncryptionMethod(data connectionData, value string) (err error) {
removeSettingVpnVpncKeySingleDes(data)
removeSettingVpnVpncKeyNoEncryption(data)
switch value {
case "secure":
case "weak":
setSettingVpnVpncKeySingleDes(data, true)
case "none":
setSettingVpnVpncKeyNoEncryption(data, true)
}
return
}
func logicSetSettingVkVpnVpncKeyDisableDpd(data connectionData, value bool) (err error) {
if value {
setSettingVpnVpncKeyDpdIdleTimeout(data, 0)
} else {
removeSettingVpnVpncKeyDpdIdleTimeout(data)
}
return
}