Move all source files to Sources/ and rename WireGuardKit targets
Signed-off-by: Andrej Mihajlov <and@mullvad.net>
This commit is contained in:
Andrej Mihajlov
@@ -0,0 +1,46 @@
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// SPDX-License-Identifier: MIT
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// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
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import Foundation
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import os.log
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extension FileManager {
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static var appGroupId: String? {
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#if os(iOS)
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let appGroupIdInfoDictionaryKey = "com.wireguard.ios.app_group_id"
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#elseif os(macOS)
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let appGroupIdInfoDictionaryKey = "com.wireguard.macos.app_group_id"
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#else
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#error("Unimplemented")
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#endif
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return Bundle.main.object(forInfoDictionaryKey: appGroupIdInfoDictionaryKey) as? String
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}
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private static var sharedFolderURL: URL? {
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guard let appGroupId = FileManager.appGroupId else {
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os_log("Cannot obtain app group ID from bundle", log: OSLog.default, type: .error)
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return nil
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}
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guard let sharedFolderURL = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: appGroupId) else {
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wg_log(.error, message: "Cannot obtain shared folder URL")
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return nil
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}
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return sharedFolderURL
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}
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static var logFileURL: URL? {
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return sharedFolderURL?.appendingPathComponent("tunnel-log.bin")
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}
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static var networkExtensionLastErrorFileURL: URL? {
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return sharedFolderURL?.appendingPathComponent("last-error.txt")
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}
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static func deleteFile(at url: URL) -> Bool {
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do {
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try FileManager.default.removeItem(at: url)
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} catch {
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return false
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}
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return true
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}
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}
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@@ -0,0 +1,117 @@
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// SPDX-License-Identifier: MIT
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// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
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import Foundation
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import Security
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class Keychain {
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static func openReference(called ref: Data) -> String? {
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var result: CFTypeRef?
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let ret = SecItemCopyMatching([kSecClass as String: kSecClassGenericPassword,
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kSecValuePersistentRef as String: ref,
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kSecReturnData as String: true] as CFDictionary,
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&result)
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if ret != errSecSuccess || result == nil {
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wg_log(.error, message: "Unable to open config from keychain: \(ret)")
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return nil
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}
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guard let data = result as? Data else { return nil }
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return String(data: data, encoding: String.Encoding.utf8)
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}
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static func makeReference(containing value: String, called name: String, previouslyReferencedBy oldRef: Data? = nil) -> Data? {
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var ret: OSStatus
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guard var id = Bundle.main.bundleIdentifier else {
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wg_log(.error, staticMessage: "Unable to determine bundle identifier")
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return nil
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}
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if id.hasSuffix(".network-extension") {
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id.removeLast(".network-extension".count)
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}
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var items: [String: Any] = [kSecClass as String: kSecClassGenericPassword,
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kSecAttrLabel as String: "WireGuard Tunnel: " + name,
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kSecAttrAccount as String: name + ": " + UUID().uuidString,
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kSecAttrDescription as String: "wg-quick(8) config",
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kSecAttrService as String: id,
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kSecValueData as String: value.data(using: .utf8) as Any,
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kSecReturnPersistentRef as String: true]
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#if os(iOS)
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items[kSecAttrAccessGroup as String] = FileManager.appGroupId
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items[kSecAttrAccessible as String] = kSecAttrAccessibleAfterFirstUnlock
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#elseif os(macOS)
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items[kSecAttrSynchronizable as String] = false
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items[kSecAttrAccessible as String] = kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly
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guard let extensionPath = Bundle.main.builtInPlugInsURL?.appendingPathComponent("WireGuardNetworkExtension.appex").path else {
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wg_log(.error, staticMessage: "Unable to determine app extension path")
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return nil
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}
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var extensionApp: SecTrustedApplication?
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var mainApp: SecTrustedApplication?
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ret = SecTrustedApplicationCreateFromPath(extensionPath, &extensionApp)
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if ret != kOSReturnSuccess || extensionApp == nil {
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wg_log(.error, message: "Unable to create keychain extension trusted application object: \(ret)")
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return nil
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}
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ret = SecTrustedApplicationCreateFromPath(nil, &mainApp)
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if ret != errSecSuccess || mainApp == nil {
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wg_log(.error, message: "Unable to create keychain local trusted application object: \(ret)")
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return nil
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}
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var access: SecAccess?
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ret = SecAccessCreate((items[kSecAttrLabel as String] as? String)! as CFString,
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[extensionApp!, mainApp!] as CFArray,
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&access)
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if ret != errSecSuccess || access == nil {
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wg_log(.error, message: "Unable to create keychain ACL object: \(ret)")
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return nil
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}
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items[kSecAttrAccess as String] = access!
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#else
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#error("Unimplemented")
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#endif
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var ref: CFTypeRef?
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ret = SecItemAdd(items as CFDictionary, &ref)
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if ret != errSecSuccess || ref == nil {
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wg_log(.error, message: "Unable to add config to keychain: \(ret)")
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return nil
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}
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if let oldRef = oldRef {
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deleteReference(called: oldRef)
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}
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return ref as? Data
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}
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static func deleteReference(called ref: Data) {
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let ret = SecItemDelete([kSecValuePersistentRef as String: ref] as CFDictionary)
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if ret != errSecSuccess {
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wg_log(.error, message: "Unable to delete config from keychain: \(ret)")
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}
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}
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static func deleteReferences(except whitelist: Set<Data>) {
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var result: CFTypeRef?
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let ret = SecItemCopyMatching([kSecClass as String: kSecClassGenericPassword,
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kSecAttrService as String: Bundle.main.bundleIdentifier as Any,
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kSecMatchLimit as String: kSecMatchLimitAll,
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kSecReturnPersistentRef as String: true] as CFDictionary,
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&result)
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if ret != errSecSuccess || result == nil {
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return
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}
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guard let items = result as? [Data] else { return }
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for item in items {
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if !whitelist.contains(item) {
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deleteReference(called: item)
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}
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}
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}
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static func verifyReference(called ref: Data) -> Bool {
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return SecItemCopyMatching([kSecClass as String: kSecClassGenericPassword,
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kSecValuePersistentRef as String: ref] as CFDictionary,
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nil) != errSecItemNotFound
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}
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}
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@@ -0,0 +1,65 @@
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// SPDX-License-Identifier: MIT
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// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
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import Foundation
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import os.log
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import WireGuardKit
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public class Logger {
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enum LoggerError: Error {
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case openFailure
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}
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static var global: Logger?
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var log: OpaquePointer
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var tag: String
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init(tagged tag: String, withFilePath filePath: String) throws {
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guard let log = open_log(filePath) else { throw LoggerError.openFailure }
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self.log = log
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self.tag = tag
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}
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deinit {
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close_log(self.log)
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}
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func log(message: String) {
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write_msg_to_log(log, tag, message.trimmingCharacters(in: .newlines))
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}
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func writeLog(to targetFile: String) -> Bool {
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return write_log_to_file(targetFile, self.log) == 0
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}
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static func configureGlobal(tagged tag: String, withFilePath filePath: String?) {
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if Logger.global != nil {
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return
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}
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guard let filePath = filePath else {
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os_log("Unable to determine log destination path. Log will not be saved to file.", log: OSLog.default, type: .error)
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return
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}
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guard let logger = try? Logger(tagged: tag, withFilePath: filePath) else {
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os_log("Unable to open log file for writing. Log will not be saved to file.", log: OSLog.default, type: .error)
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return
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}
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Logger.global = logger
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var appVersion = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "Unknown version"
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if let appBuild = Bundle.main.infoDictionary?["CFBundleVersion"] as? String {
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appVersion += " (\(appBuild))"
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}
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Logger.global?.log(message: "App version: \(appVersion); Go backend version: \(wireGuardVersion)")
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}
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}
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func wg_log(_ type: OSLogType, staticMessage msg: StaticString) {
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os_log(msg, log: OSLog.default, type: type)
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Logger.global?.log(message: "\(msg)")
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}
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func wg_log(_ type: OSLogType, message msg: String) {
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os_log("%{public}s", log: OSLog.default, type: type, msg)
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Logger.global?.log(message: msg)
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}
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@@ -0,0 +1,173 @@
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/* SPDX-License-Identifier: MIT
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*
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* Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdatomic.h>
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#include <stdbool.h>
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#include <time.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/mman.h>
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#include "ringlogger.h"
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enum {
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MAX_LOG_LINE_LENGTH = 512,
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MAX_LINES = 2048,
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MAGIC = 0xabadbeefU
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};
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struct log_line {
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atomic_uint_fast64_t time_ns;
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char line[MAX_LOG_LINE_LENGTH];
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};
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struct log {
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atomic_uint_fast32_t next_index;
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struct log_line lines[MAX_LINES];
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uint32_t magic;
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};
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void write_msg_to_log(struct log *log, const char *tag, const char *msg)
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{
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uint32_t index;
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struct log_line *line;
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struct timespec ts;
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// Race: This isn't synchronized with the fetch_add below, so items might be slightly out of order.
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clock_gettime(CLOCK_REALTIME, &ts);
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// Race: More than MAX_LINES writers and this will clash.
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index = atomic_fetch_add(&log->next_index, 1);
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line = &log->lines[index % MAX_LINES];
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// Race: Before this line executes, we'll display old data after new data.
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atomic_store(&line->time_ns, 0);
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memset(line->line, 0, MAX_LOG_LINE_LENGTH);
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snprintf(line->line, MAX_LOG_LINE_LENGTH, "[%s] %s", tag, msg);
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atomic_store(&line->time_ns, ts.tv_sec * 1000000000ULL + ts.tv_nsec);
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msync(&log->next_index, sizeof(log->next_index), MS_ASYNC);
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msync(line, sizeof(*line), MS_ASYNC);
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}
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int write_log_to_file(const char *file_name, const struct log *input_log)
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{
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struct log *log;
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uint32_t l, i;
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FILE *file;
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int ret;
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log = malloc(sizeof(*log));
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if (!log)
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return -errno;
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memcpy(log, input_log, sizeof(*log));
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file = fopen(file_name, "w");
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if (!file) {
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free(log);
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return -errno;
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}
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for (l = 0, i = log->next_index; l < MAX_LINES; ++l, ++i) {
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const struct log_line *line = &log->lines[i % MAX_LINES];
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time_t seconds = line->time_ns / 1000000000ULL;
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uint32_t useconds = (line->time_ns % 1000000000ULL) / 1000ULL;
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struct tm tm;
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if (!line->time_ns)
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continue;
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if (!localtime_r(&seconds, &tm))
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goto err;
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if (fprintf(file, "%04d-%02d-%02d %02d:%02d:%02d.%06d: %s\n",
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tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
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tm.tm_hour, tm.tm_min, tm.tm_sec, useconds,
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line->line) < 0)
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goto err;
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}
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errno = 0;
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err:
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ret = -errno;
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fclose(file);
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free(log);
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return ret;
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}
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uint32_t view_lines_from_cursor(const struct log *input_log, uint32_t cursor, void *ctx, void(*cb)(const char *, uint64_t, void *))
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{
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struct log *log;
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uint32_t l, i = cursor;
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log = malloc(sizeof(*log));
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if (!log)
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return cursor;
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memcpy(log, input_log, sizeof(*log));
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if (i == -1)
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i = log->next_index;
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for (l = 0; l < MAX_LINES; ++l, ++i) {
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const struct log_line *line = &log->lines[i % MAX_LINES];
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if (cursor != -1 && i % MAX_LINES == log->next_index % MAX_LINES)
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break;
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if (!line->time_ns) {
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if (cursor == -1)
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continue;
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else
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break;
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}
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cb(line->line, line->time_ns, ctx);
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cursor = (i + 1) % MAX_LINES;
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}
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free(log);
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return cursor;
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}
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struct log *open_log(const char *file_name)
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{
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int fd;
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struct log *log;
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fd = open(file_name, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
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if (fd < 0)
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return NULL;
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if (ftruncate(fd, sizeof(*log)))
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goto err;
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log = mmap(NULL, sizeof(*log), PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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if (log == MAP_FAILED)
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goto err;
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close(fd);
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if (log->magic != MAGIC) {
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memset(log, 0, sizeof(*log));
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log->magic = MAGIC;
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msync(log, sizeof(*log), MS_ASYNC);
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}
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return log;
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err:
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close(fd);
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return NULL;
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}
|
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|
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void close_log(struct log *log)
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{
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munmap(log, sizeof(*log));
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}
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@@ -0,0 +1,18 @@
|
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/* SPDX-License-Identifier: MIT
|
||||
*
|
||||
* Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
|
||||
*/
|
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|
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#ifndef RINGLOGGER_H
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#define RINGLOGGER_H
|
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|
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#include <stdint.h>
|
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|
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struct log;
|
||||
void write_msg_to_log(struct log *log, const char *tag, const char *msg);
|
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int write_log_to_file(const char *file_name, const struct log *input_log);
|
||||
uint32_t view_lines_from_cursor(const struct log *input_log, uint32_t cursor, void *ctx, void(*)(const char *, uint64_t, void *));
|
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struct log *open_log(const char *file_name);
|
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void close_log(struct log *log);
|
||||
|
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#endif
|
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@@ -0,0 +1,63 @@
|
||||
#include "ringlogger.h"
|
||||
#include <stdio.h>
|
||||
#include <stdbool.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <inttypes.h>
|
||||
#include <sys/wait.h>
|
||||
|
||||
static void forkwrite(void)
|
||||
{
|
||||
struct log *log = open_log("/tmp/test_log");
|
||||
char c[512];
|
||||
int i, base;
|
||||
bool in_fork = !fork();
|
||||
|
||||
base = 10000 * in_fork;
|
||||
for (i = 0; i < 1024; ++i) {
|
||||
snprintf(c, 512, "bla bla bla %d", base + i);
|
||||
write_msg_to_log(log, "HMM", c);
|
||||
}
|
||||
|
||||
|
||||
if (in_fork)
|
||||
_exit(0);
|
||||
wait(NULL);
|
||||
|
||||
write_log_to_file("/dev/stdout", log);
|
||||
close_log(log);
|
||||
}
|
||||
|
||||
static void writetext(const char *text)
|
||||
{
|
||||
struct log *log = open_log("/tmp/test_log");
|
||||
write_msg_to_log(log, "TXT", text);
|
||||
close_log(log);
|
||||
}
|
||||
|
||||
static void show_line(const char *line, uint64_t time_ns)
|
||||
{
|
||||
printf("%" PRIu64 ": %s\n", time_ns, line);
|
||||
}
|
||||
|
||||
static void follow(void)
|
||||
{
|
||||
uint32_t cursor = -1;
|
||||
struct log *log = open_log("/tmp/test_log");
|
||||
|
||||
for (;;) {
|
||||
cursor = view_lines_from_cursor(log, cursor, show_line);
|
||||
usleep(1000 * 300);
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
if (!strcmp(argv[1], "fork"))
|
||||
forkwrite();
|
||||
else if (!strcmp(argv[1], "write"))
|
||||
writetext(argv[2]);
|
||||
else if (!strcmp(argv[1], "follow"))
|
||||
follow();
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,88 @@
|
||||
// SPDX-License-Identifier: MIT
|
||||
// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
|
||||
|
||||
import NetworkExtension
|
||||
import WireGuardKit
|
||||
|
||||
enum PacketTunnelProviderError: String, Error {
|
||||
case savedProtocolConfigurationIsInvalid
|
||||
case dnsResolutionFailure
|
||||
case couldNotStartBackend
|
||||
case couldNotDetermineFileDescriptor
|
||||
case couldNotSetNetworkSettings
|
||||
}
|
||||
|
||||
extension NETunnelProviderProtocol {
|
||||
convenience init?(tunnelConfiguration: TunnelConfiguration, previouslyFrom old: NEVPNProtocol? = nil) {
|
||||
self.init()
|
||||
|
||||
guard let name = tunnelConfiguration.name else { return nil }
|
||||
guard let appId = Bundle.main.bundleIdentifier else { return nil }
|
||||
providerBundleIdentifier = "\(appId).network-extension"
|
||||
passwordReference = Keychain.makeReference(containing: tunnelConfiguration.asWgQuickConfig(), called: name, previouslyReferencedBy: old?.passwordReference)
|
||||
if passwordReference == nil {
|
||||
return nil
|
||||
}
|
||||
#if os(macOS)
|
||||
providerConfiguration = ["UID": getuid()]
|
||||
#endif
|
||||
|
||||
let endpoints = tunnelConfiguration.peers.compactMap { $0.endpoint }
|
||||
if endpoints.count == 1 {
|
||||
serverAddress = endpoints[0].stringRepresentation
|
||||
} else if endpoints.isEmpty {
|
||||
serverAddress = "Unspecified"
|
||||
} else {
|
||||
serverAddress = "Multiple endpoints"
|
||||
}
|
||||
}
|
||||
|
||||
func asTunnelConfiguration(called name: String? = nil) -> TunnelConfiguration? {
|
||||
if let passwordReference = passwordReference,
|
||||
let config = Keychain.openReference(called: passwordReference) {
|
||||
return try? TunnelConfiguration(fromWgQuickConfig: config, called: name)
|
||||
}
|
||||
if let oldConfig = providerConfiguration?["WgQuickConfig"] as? String {
|
||||
return try? TunnelConfiguration(fromWgQuickConfig: oldConfig, called: name)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func destroyConfigurationReference() {
|
||||
guard let ref = passwordReference else { return }
|
||||
Keychain.deleteReference(called: ref)
|
||||
}
|
||||
|
||||
func verifyConfigurationReference() -> Bool {
|
||||
guard let ref = passwordReference else { return false }
|
||||
return Keychain.verifyReference(called: ref)
|
||||
}
|
||||
|
||||
@discardableResult
|
||||
func migrateConfigurationIfNeeded(called name: String) -> Bool {
|
||||
/* This is how we did things before we switched to putting items
|
||||
* in the keychain. But it's still useful to keep the migration
|
||||
* around so that .mobileconfig files are easier.
|
||||
*/
|
||||
if let oldConfig = providerConfiguration?["WgQuickConfig"] as? String {
|
||||
#if os(macOS)
|
||||
providerConfiguration = ["UID": getuid()]
|
||||
#elseif os(iOS)
|
||||
providerConfiguration = nil
|
||||
#else
|
||||
#error("Unimplemented")
|
||||
#endif
|
||||
guard passwordReference == nil else { return true }
|
||||
wg_log(.debug, message: "Migrating tunnel configuration '\(name)'")
|
||||
passwordReference = Keychain.makeReference(containing: oldConfig, called: name)
|
||||
return true
|
||||
}
|
||||
#if os(macOS)
|
||||
if passwordReference != nil && providerConfiguration?["UID"] == nil && verifyConfigurationReference() {
|
||||
providerConfiguration = ["UID": getuid()]
|
||||
return true
|
||||
}
|
||||
#endif
|
||||
return false
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,32 @@
|
||||
// SPDX-License-Identifier: MIT
|
||||
// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
|
||||
|
||||
import Foundation
|
||||
|
||||
extension String {
|
||||
|
||||
func splitToArray(separator: Character = ",", trimmingCharacters: CharacterSet? = nil) -> [String] {
|
||||
return split(separator: separator)
|
||||
.map {
|
||||
if let charSet = trimmingCharacters {
|
||||
return $0.trimmingCharacters(in: charSet)
|
||||
} else {
|
||||
return String($0)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
extension Optional where Wrapped == String {
|
||||
|
||||
func splitToArray(separator: Character = ",", trimmingCharacters: CharacterSet? = nil) -> [String] {
|
||||
switch self {
|
||||
case .none:
|
||||
return []
|
||||
case .some(let wrapped):
|
||||
return wrapped.splitToArray(separator: separator, trimmingCharacters: trimmingCharacters)
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,248 @@
|
||||
// SPDX-License-Identifier: MIT
|
||||
// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
|
||||
|
||||
import Foundation
|
||||
import WireGuardKit
|
||||
|
||||
extension TunnelConfiguration {
|
||||
|
||||
enum ParserState {
|
||||
case inInterfaceSection
|
||||
case inPeerSection
|
||||
case notInASection
|
||||
}
|
||||
|
||||
enum ParseError: Error {
|
||||
case invalidLine(String.SubSequence)
|
||||
case noInterface
|
||||
case multipleInterfaces
|
||||
case interfaceHasNoPrivateKey
|
||||
case interfaceHasInvalidPrivateKey(String)
|
||||
case interfaceHasInvalidListenPort(String)
|
||||
case interfaceHasInvalidAddress(String)
|
||||
case interfaceHasInvalidDNS(String)
|
||||
case interfaceHasInvalidMTU(String)
|
||||
case interfaceHasUnrecognizedKey(String)
|
||||
case peerHasNoPublicKey
|
||||
case peerHasInvalidPublicKey(String)
|
||||
case peerHasInvalidPreSharedKey(String)
|
||||
case peerHasInvalidAllowedIP(String)
|
||||
case peerHasInvalidEndpoint(String)
|
||||
case peerHasInvalidPersistentKeepAlive(String)
|
||||
case peerHasInvalidTransferBytes(String)
|
||||
case peerHasInvalidLastHandshakeTime(String)
|
||||
case peerHasUnrecognizedKey(String)
|
||||
case multiplePeersWithSamePublicKey
|
||||
case multipleEntriesForKey(String)
|
||||
}
|
||||
|
||||
convenience init(fromWgQuickConfig wgQuickConfig: String, called name: String? = nil) throws {
|
||||
var interfaceConfiguration: InterfaceConfiguration?
|
||||
var peerConfigurations = [PeerConfiguration]()
|
||||
|
||||
let lines = wgQuickConfig.split { $0.isNewline }
|
||||
|
||||
var parserState = ParserState.notInASection
|
||||
var attributes = [String: String]()
|
||||
|
||||
for (lineIndex, line) in lines.enumerated() {
|
||||
var trimmedLine: String
|
||||
if let commentRange = line.range(of: "#") {
|
||||
trimmedLine = String(line[..<commentRange.lowerBound])
|
||||
} else {
|
||||
trimmedLine = String(line)
|
||||
}
|
||||
|
||||
trimmedLine = trimmedLine.trimmingCharacters(in: .whitespacesAndNewlines)
|
||||
let lowercasedLine = trimmedLine.lowercased()
|
||||
|
||||
if !trimmedLine.isEmpty {
|
||||
if let equalsIndex = trimmedLine.firstIndex(of: "=") {
|
||||
// Line contains an attribute
|
||||
let keyWithCase = trimmedLine[..<equalsIndex].trimmingCharacters(in: .whitespacesAndNewlines)
|
||||
let key = keyWithCase.lowercased()
|
||||
let value = trimmedLine[trimmedLine.index(equalsIndex, offsetBy: 1)...].trimmingCharacters(in: .whitespacesAndNewlines)
|
||||
let keysWithMultipleEntriesAllowed: Set<String> = ["address", "allowedips", "dns"]
|
||||
if let presentValue = attributes[key] {
|
||||
if keysWithMultipleEntriesAllowed.contains(key) {
|
||||
attributes[key] = presentValue + "," + value
|
||||
} else {
|
||||
throw ParseError.multipleEntriesForKey(keyWithCase)
|
||||
}
|
||||
} else {
|
||||
attributes[key] = value
|
||||
}
|
||||
let interfaceSectionKeys: Set<String> = ["privatekey", "listenport", "address", "dns", "mtu"]
|
||||
let peerSectionKeys: Set<String> = ["publickey", "presharedkey", "allowedips", "endpoint", "persistentkeepalive"]
|
||||
if parserState == .inInterfaceSection {
|
||||
guard interfaceSectionKeys.contains(key) else {
|
||||
throw ParseError.interfaceHasUnrecognizedKey(keyWithCase)
|
||||
}
|
||||
} else if parserState == .inPeerSection {
|
||||
guard peerSectionKeys.contains(key) else {
|
||||
throw ParseError.peerHasUnrecognizedKey(keyWithCase)
|
||||
}
|
||||
}
|
||||
} else if lowercasedLine != "[interface]" && lowercasedLine != "[peer]" {
|
||||
throw ParseError.invalidLine(line)
|
||||
}
|
||||
}
|
||||
|
||||
let isLastLine = lineIndex == lines.count - 1
|
||||
|
||||
if isLastLine || lowercasedLine == "[interface]" || lowercasedLine == "[peer]" {
|
||||
// Previous section has ended; process the attributes collected so far
|
||||
if parserState == .inInterfaceSection {
|
||||
let interface = try TunnelConfiguration.collate(interfaceAttributes: attributes)
|
||||
guard interfaceConfiguration == nil else { throw ParseError.multipleInterfaces }
|
||||
interfaceConfiguration = interface
|
||||
} else if parserState == .inPeerSection {
|
||||
let peer = try TunnelConfiguration.collate(peerAttributes: attributes)
|
||||
peerConfigurations.append(peer)
|
||||
}
|
||||
}
|
||||
|
||||
if lowercasedLine == "[interface]" {
|
||||
parserState = .inInterfaceSection
|
||||
attributes.removeAll()
|
||||
} else if lowercasedLine == "[peer]" {
|
||||
parserState = .inPeerSection
|
||||
attributes.removeAll()
|
||||
}
|
||||
}
|
||||
|
||||
let peerPublicKeysArray = peerConfigurations.map { $0.publicKey }
|
||||
let peerPublicKeysSet = Set<PublicKey>(peerPublicKeysArray)
|
||||
if peerPublicKeysArray.count != peerPublicKeysSet.count {
|
||||
throw ParseError.multiplePeersWithSamePublicKey
|
||||
}
|
||||
|
||||
if let interfaceConfiguration = interfaceConfiguration {
|
||||
self.init(name: name, interface: interfaceConfiguration, peers: peerConfigurations)
|
||||
} else {
|
||||
throw ParseError.noInterface
|
||||
}
|
||||
}
|
||||
|
||||
func asWgQuickConfig() -> String {
|
||||
var output = "[Interface]\n"
|
||||
output.append("PrivateKey = \(interface.privateKey.base64Key)\n")
|
||||
if let listenPort = interface.listenPort {
|
||||
output.append("ListenPort = \(listenPort)\n")
|
||||
}
|
||||
if !interface.addresses.isEmpty {
|
||||
let addressString = interface.addresses.map { $0.stringRepresentation }.joined(separator: ", ")
|
||||
output.append("Address = \(addressString)\n")
|
||||
}
|
||||
if !interface.dns.isEmpty {
|
||||
let dnsString = interface.dns.map { $0.stringRepresentation }.joined(separator: ", ")
|
||||
output.append("DNS = \(dnsString)\n")
|
||||
}
|
||||
if let mtu = interface.mtu {
|
||||
output.append("MTU = \(mtu)\n")
|
||||
}
|
||||
|
||||
for peer in peers {
|
||||
output.append("\n[Peer]\n")
|
||||
output.append("PublicKey = \(peer.publicKey.base64Key)\n")
|
||||
if let preSharedKey = peer.preSharedKey?.base64Key {
|
||||
output.append("PresharedKey = \(preSharedKey)\n")
|
||||
}
|
||||
if !peer.allowedIPs.isEmpty {
|
||||
let allowedIPsString = peer.allowedIPs.map { $0.stringRepresentation }.joined(separator: ", ")
|
||||
output.append("AllowedIPs = \(allowedIPsString)\n")
|
||||
}
|
||||
if let endpoint = peer.endpoint {
|
||||
output.append("Endpoint = \(endpoint.stringRepresentation)\n")
|
||||
}
|
||||
if let persistentKeepAlive = peer.persistentKeepAlive {
|
||||
output.append("PersistentKeepalive = \(persistentKeepAlive)\n")
|
||||
}
|
||||
}
|
||||
|
||||
return output
|
||||
}
|
||||
|
||||
private static func collate(interfaceAttributes attributes: [String: String]) throws -> InterfaceConfiguration {
|
||||
guard let privateKeyString = attributes["privatekey"] else {
|
||||
throw ParseError.interfaceHasNoPrivateKey
|
||||
}
|
||||
guard let privateKey = PrivateKey(base64Key: privateKeyString) else {
|
||||
throw ParseError.interfaceHasInvalidPrivateKey(privateKeyString)
|
||||
}
|
||||
var interface = InterfaceConfiguration(privateKey: privateKey)
|
||||
if let listenPortString = attributes["listenport"] {
|
||||
guard let listenPort = UInt16(listenPortString) else {
|
||||
throw ParseError.interfaceHasInvalidListenPort(listenPortString)
|
||||
}
|
||||
interface.listenPort = listenPort
|
||||
}
|
||||
if let addressesString = attributes["address"] {
|
||||
var addresses = [IPAddressRange]()
|
||||
for addressString in addressesString.splitToArray(trimmingCharacters: .whitespacesAndNewlines) {
|
||||
guard let address = IPAddressRange(from: addressString) else {
|
||||
throw ParseError.interfaceHasInvalidAddress(addressString)
|
||||
}
|
||||
addresses.append(address)
|
||||
}
|
||||
interface.addresses = addresses
|
||||
}
|
||||
if let dnsString = attributes["dns"] {
|
||||
var dnsServers = [DNSServer]()
|
||||
for dnsServerString in dnsString.splitToArray(trimmingCharacters: .whitespacesAndNewlines) {
|
||||
guard let dnsServer = DNSServer(from: dnsServerString) else {
|
||||
throw ParseError.interfaceHasInvalidDNS(dnsServerString)
|
||||
}
|
||||
dnsServers.append(dnsServer)
|
||||
}
|
||||
interface.dns = dnsServers
|
||||
}
|
||||
if let mtuString = attributes["mtu"] {
|
||||
guard let mtu = UInt16(mtuString) else {
|
||||
throw ParseError.interfaceHasInvalidMTU(mtuString)
|
||||
}
|
||||
interface.mtu = mtu
|
||||
}
|
||||
return interface
|
||||
}
|
||||
|
||||
private static func collate(peerAttributes attributes: [String: String]) throws -> PeerConfiguration {
|
||||
guard let publicKeyString = attributes["publickey"] else {
|
||||
throw ParseError.peerHasNoPublicKey
|
||||
}
|
||||
guard let publicKey = PublicKey(base64Key: publicKeyString) else {
|
||||
throw ParseError.peerHasInvalidPublicKey(publicKeyString)
|
||||
}
|
||||
var peer = PeerConfiguration(publicKey: publicKey)
|
||||
if let preSharedKeyString = attributes["presharedkey"] {
|
||||
guard let preSharedKey = PreSharedKey(base64Key: preSharedKeyString) else {
|
||||
throw ParseError.peerHasInvalidPreSharedKey(preSharedKeyString)
|
||||
}
|
||||
peer.preSharedKey = preSharedKey
|
||||
}
|
||||
if let allowedIPsString = attributes["allowedips"] {
|
||||
var allowedIPs = [IPAddressRange]()
|
||||
for allowedIPString in allowedIPsString.splitToArray(trimmingCharacters: .whitespacesAndNewlines) {
|
||||
guard let allowedIP = IPAddressRange(from: allowedIPString) else {
|
||||
throw ParseError.peerHasInvalidAllowedIP(allowedIPString)
|
||||
}
|
||||
allowedIPs.append(allowedIP)
|
||||
}
|
||||
peer.allowedIPs = allowedIPs
|
||||
}
|
||||
if let endpointString = attributes["endpoint"] {
|
||||
guard let endpoint = Endpoint(from: endpointString) else {
|
||||
throw ParseError.peerHasInvalidEndpoint(endpointString)
|
||||
}
|
||||
peer.endpoint = endpoint
|
||||
}
|
||||
if let persistentKeepAliveString = attributes["persistentkeepalive"] {
|
||||
guard let persistentKeepAlive = UInt16(persistentKeepAliveString) else {
|
||||
throw ParseError.peerHasInvalidPersistentKeepAlive(persistentKeepAliveString)
|
||||
}
|
||||
peer.persistentKeepAlive = persistentKeepAlive
|
||||
}
|
||||
return peer
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user