• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1#!/usr/bin/env python3
2#
3#   Copyright 2016 - Google
4#
5#   Licensed under the Apache License, Version 2.0 (the "License");
6#   you may not use this file except in compliance with the License.
7#   You may obtain a copy of the License at
8#
9#       http://www.apache.org/licenses/LICENSE-2.0
10#
11#   Unless required by applicable law or agreed to in writing, software
12#   distributed under the License is distributed on an "AS IS" BASIS,
13#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14#   See the License for the specific language governing permissions and
15#   limitations under the License.
16
17import enum
18
19######################################################
20# ConnectivityManager.NetworkCallback events
21######################################################
22EVENT_NETWORK_CALLBACK = "NetworkCallback"
23
24# event types
25NETWORK_CB_PRE_CHECK = "PreCheck"
26NETWORK_CB_AVAILABLE = "Available"
27NETWORK_CB_LOSING = "Losing"
28NETWORK_CB_LOST = "Lost"
29NETWORK_CB_UNAVAILABLE = "Unavailable"
30NETWORK_CB_CAPABILITIES_CHANGED = "CapabilitiesChanged"
31NETWORK_CB_SUSPENDED = "Suspended"
32NETWORK_CB_RESUMED = "Resumed"
33NETWORK_CB_LINK_PROPERTIES_CHANGED = "LinkPropertiesChanged"
34NETWORK_CB_INVALID = "Invalid"
35
36# event data keys
37NETWORK_CB_KEY_ID = "id"
38NETWORK_CB_KEY_EVENT = "networkCallbackEvent"
39NETWORK_CB_KEY_MAX_MS_TO_LIVE = "maxMsToLive"
40NETWORK_CB_KEY_RSSI = "rssi"
41NETWORK_CB_KEY_INTERFACE_NAME = "interfaceName"
42NETWORK_CB_KEY_CREATE_TS = "creation_timestamp"
43NETWORK_CB_KEY_CURRENT_TS = "current_timestamp"
44NETWORK_CB_KEY_NETWORK_SPECIFIER = "network_specifier"
45
46# Constants for VPN connection status
47VPN_STATE_DISCONNECTED = 0
48VPN_STATE_INITIALIZING = 1
49VPN_STATE_CONNECTING = 2
50VPN_STATE_CONNECTED = 3
51VPN_STATE_TIMEOUT = 4
52VPN_STATE_FAILED = 5
53# TODO gmoturu: determine the exact timeout value
54# This is a random value as of now
55VPN_TIMEOUT = 15
56
57# Connectiivty Manager constants
58TYPE_MOBILE = 0
59TYPE_WIFI = 1
60
61# Multipath preference constants
62MULTIPATH_PREFERENCE_NONE = 0
63MULTIPATH_PREFERENCE_HANDOVER = 1 << 0
64MULTIPATH_PREFERENCE_RELIABILITY = 1 << 1
65MULTIPATH_PREFERENCE_PERFORMANCE = 1 << 2
66
67# IpSec constants
68SOCK_STREAM = 1
69SOCK_DGRAM = 2
70AF_INET = 2
71AF_INET6 = 10
72DIRECTION_IN = 0
73DIRECTION_OUT = 1
74MODE_TRANSPORT = 0
75MODE_TUNNEL = 1
76CRYPT_NULL = "ecb(cipher_null)"
77CRYPT_AES_CBC = "cbc(aes)"
78AUTH_HMAC_MD5 = "hmac(md5)"
79AUTH_HMAC_SHA1 = "hmac(sha1)"
80AUTH_HMAC_SHA256 = "hmac(sha256)"
81AUTH_HMAC_SHA384 = "hmac(sha384)"
82AUTH_HMAC_SHA512 = "hmac(sha512)"
83AUTH_CRYPT_AES_GCM = "rfc4106(gcm(aes))"
84
85
86# Constants for VpnProfile
87class VpnProfile(object):
88    """ This class contains all the possible
89        parameters required for VPN connection
90    """
91    NAME = "name"
92    TYPE = "type"
93    SERVER = "server"
94    USER = "username"
95    PWD = "password"
96    DNS = "dnsServers"
97    SEARCH_DOMAINS = "searchDomains"
98    ROUTES = "routes"
99    MPPE = "mppe"
100    L2TP_SECRET = "l2tpSecret"
101    IPSEC_ID = "ipsecIdentifier"
102    IPSEC_SECRET = "ipsecSecret"
103    IPSEC_USER_CERT = "ipsecUserCert"
104    IPSEC_CA_CERT = "ipsecCaCert"
105    IPSEC_SERVER_CERT = "ipsecServerCert"
106
107
108# Enums for VPN profile types
109class VpnProfileType(enum.Enum):
110    """ Integer constant for each type of VPN
111    """
112    PPTP = 0
113    L2TP_IPSEC_PSK = 1
114    L2TP_IPSEC_RSA = 2
115    IPSEC_XAUTH_PSK = 3
116    IPSEC_XAUTH_RSA = 4
117    IPSEC_HYBRID_RSA = 5
118
119
120# Constants for config file
121class VpnReqParams(object):
122    """ Config file parameters required for
123        VPN connection
124    """
125    vpn_server_addresses = "vpn_server_addresses"
126    vpn_verify_addresses = "vpn_verify_addresses"
127    vpn_username = "vpn_username"
128    vpn_password = "vpn_password"
129    psk_secret = "psk_secret"
130    client_pkcs_file_name = "client_pkcs_file_name"
131    cert_path_vpnserver = "cert_path_vpnserver"
132    cert_password = "cert_password"
133    pptp_mppe = "pptp_mppe"
134    ipsec_server_type = "ipsec_server_type"
135