【问题标题】:VPN Tunnel stuck in Connecting state when using iOS vpn configurations使用 iOS vpn 配置时,VPN 隧道卡在连接状态
【发布时间】:2017-08-30 05:46:00
【问题描述】:

我正在尝试使用网络扩展启动 VPN 数据包隧道,但 vpn 总是卡在“正在连接”状态。但是,个人 VPN 确实使用这些相同的设置进行连接。调用 startVPNtunnel 后,PackTunnel 扩展函数被调用,但状态仍为 Connecting

// Hard code VPN configurations
let tunnelBundleId = "group.linkapp.PacketTunnel"
let host = "hide.me"
let serverAddress = "free-ca.hide.me"
let username = "wahwah"
let password = "123456"

var vpnManager: NETunnelProviderManager = NETunnelProviderManager()

private func initVPNTunnelProviderManager() {
    NETunnelProviderManager.loadAllFromPreferences { (savedManagers: [NETunnelProviderManager]?, error: Error?) in
        if let error = error {
            print(error)
        }
        if let savedManagers = savedManagers {
            if savedManagers.count > 0 {
                self.vpnManager = savedManagers[0]
            }
        }

        self.vpnManager.loadFromPreferences(completionHandler: { (error:Error?) in
            if let error = error {
                print(error)
            }

            let providerProtocol = NETunnelProviderProtocol()


            Keychain.set(self.username, value: self.password)
            let passwordRef = Keychain.persistentRef(self.username)
            if passwordRef == nil {
                print("Failed to query password persistent ref")
            }
            providerProtocol.username = self.username
            providerProtocol.passwordReference = passwordRef
            providerProtocol.serverAddress = self.serverAddress

            self.vpnManager.protocolConfiguration = providerProtocol
            self.vpnManager.localizedDescription = "NEPacketTunnelVPNDemoConfig"
            self.vpnManager.isEnabled = true


            if self.vpnManager.protocolConfiguration?.proxySettings == nil {
                self.vpnManager.protocolConfiguration?.proxySettings = NEProxySettings()
            }

            self.vpnManager.saveToPreferences(completionHandler: { (error:Error?) in
                if let error = error {
                    print(error)
                } else {
                    print("Save successfully")
                }
            })

        })
    }
}


@IBAction func connectAction(_ sender: Any) {

    print("Go!")

    self.vpnManager.loadFromPreferences { (error:Error?) in
        if let error = error {
            print(error)
        }
        if ((sender as AnyObject).title(for: .normal) == "Connect") {
            do {
                try self.vpnManager.connection.startVPNTunnel()
            } catch {
                print(error)
            }
        } else {
            self.vpnManager.connection.stopVPNTunnel()
        }
    }

【问题讨论】:

    标签: ios networking vpn tunnel networkextension


    【解决方案1】:

    我不确定您所说的“个人 VPN 确实使用这些相同的设置进行连接”是什么意思

    如果您停留在连接状态。有两种最可能的可能性:

    1) 您的网络扩展不会在

    上调用完成处理程序
    - (void)startTunnelWithOptions:(NSDictionary *)options completionHandler:(void (^)(NSError *))completionHandler
    

    完成处理程序让操作系统知道隧道已启动

    2) 您的应用未订阅NSNotification.Name.NEVPNStatusDidChange.。结果VPN启动了,但应用端不知道

    【讨论】:

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