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author | Roopesh Chander <roop@roopc.net> | 2018-12-13 12:14:21 +0530 |
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committer | Roopesh Chander <roop@roopc.net> | 2018-12-13 12:14:21 +0530 |
commit | 6528a581de3e33067f9955e6362b6fd97ee17ef6 (patch) | |
tree | 18b5d3fea8f3195d2c8a6bdec5693833fcf57adf /WireGuard/WireGuard/Tunnel/ActivateOnDemandSetting.swift | |
parent | Commit untested ringlogger code (diff) | |
download | wireguard-apple-6528a581de3e33067f9955e6362b6fd97ee17ef6.tar.xz wireguard-apple-6528a581de3e33067f9955e6362b6fd97ee17ef6.zip |
mv WireGuard/WireGuard/VPN/ WireGuard/WireGuard/Tunnel/
Signed-off-by: Roopesh Chander <roop@roopc.net>
Diffstat (limited to 'WireGuard/WireGuard/Tunnel/ActivateOnDemandSetting.swift')
-rw-r--r-- | WireGuard/WireGuard/Tunnel/ActivateOnDemandSetting.swift | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/WireGuard/WireGuard/Tunnel/ActivateOnDemandSetting.swift b/WireGuard/WireGuard/Tunnel/ActivateOnDemandSetting.swift new file mode 100644 index 0000000..0aeda6f --- /dev/null +++ b/WireGuard/WireGuard/Tunnel/ActivateOnDemandSetting.swift @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: MIT +// Copyright © 2018 WireGuard LLC. All Rights Reserved. + +import NetworkExtension + +struct ActivateOnDemandSetting { + var isActivateOnDemandEnabled: Bool + var activateOnDemandOption: ActivateOnDemandOption +} + +enum ActivateOnDemandOption { + case none // Valid only when isActivateOnDemandEnabled is false + case useOnDemandOverWiFiOrCellular + case useOnDemandOverWiFiOnly + case useOnDemandOverCellularOnly +} + +extension ActivateOnDemandSetting { + func apply(on tunnelProviderManager: NETunnelProviderManager) { + tunnelProviderManager.isOnDemandEnabled = isActivateOnDemandEnabled + let rules: [NEOnDemandRule]? + let connectRule = NEOnDemandRuleConnect() + let disconnectRule = NEOnDemandRuleDisconnect() + switch activateOnDemandOption { + case .none: + rules = nil + case .useOnDemandOverWiFiOrCellular: + rules = [connectRule] + case .useOnDemandOverWiFiOnly: + connectRule.interfaceTypeMatch = .wiFi + disconnectRule.interfaceTypeMatch = .cellular + rules = [connectRule, disconnectRule] + case .useOnDemandOverCellularOnly: + connectRule.interfaceTypeMatch = .cellular + disconnectRule.interfaceTypeMatch = .wiFi + rules = [connectRule, disconnectRule] + } + tunnelProviderManager.onDemandRules = rules + } + + init(from tunnelProviderManager: NETunnelProviderManager) { + let rules = tunnelProviderManager.onDemandRules ?? [] + let activateOnDemandOption: ActivateOnDemandOption + switch rules.count { + case 0: + activateOnDemandOption = .none + case 1: + let rule = rules[0] + precondition(rule.action == .connect) + activateOnDemandOption = .useOnDemandOverWiFiOrCellular + case 2: + let connectRule = rules.first(where: { $0.action == .connect })! + let disconnectRule = rules.first(where: { $0.action == .disconnect })! + if connectRule.interfaceTypeMatch == .wiFi && disconnectRule.interfaceTypeMatch == .cellular { + activateOnDemandOption = .useOnDemandOverWiFiOnly + } else if connectRule.interfaceTypeMatch == .cellular && disconnectRule.interfaceTypeMatch == .wiFi { + activateOnDemandOption = .useOnDemandOverCellularOnly + } else { + fatalError("Unexpected onDemandRules set on tunnel provider manager") + } + default: + fatalError("Unexpected number of onDemandRules set on tunnel provider manager") + } + self.activateOnDemandOption = activateOnDemandOption + if activateOnDemandOption == .none { + self.isActivateOnDemandEnabled = false + } else { + self.isActivateOnDemandEnabled = tunnelProviderManager.isOnDemandEnabled + } + } +} + +extension ActivateOnDemandSetting { + static var defaultSetting = ActivateOnDemandSetting(isActivateOnDemandEnabled: false, activateOnDemandOption: .none) +} |