68 lines
1.8 KiB
Swift
68 lines
1.8 KiB
Swift
//
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// Interface+Extension.swift
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// WireGuard
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//
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// Created by Eric Kuck on 8/15/18.
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// Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All rights reserved.
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//
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import Foundation
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extension Interface {
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func validate() throws {
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guard let privateKey = privateKey, !privateKey.isEmpty else {
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throw InterfaceValidationError.emptyPrivateKey
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}
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guard privateKey.isBase64() else {
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throw InterfaceValidationError.invalidPrivateKey
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}
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try addresses?.commaSeparatedToArray().forEach { address in
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do {
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try _ = CIDRAddress(stringRepresentation: address)
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} catch {
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throw InterfaceValidationError.invalidAddress(cause: error)
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}
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}
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try dns?.commaSeparatedToArray().forEach { address in
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do {
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try _ = Endpoint(endpointString: address, needsPort: false)
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} catch {
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throw InterfaceValidationError.invalidDNSServer(cause: error)
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}
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}
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}
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func parse(attribute: Attribute) throws {
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switch attribute.key {
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case .address:
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addresses = attribute.stringValue
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case .dns:
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dns = attribute.stringValue
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case .listenPort:
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if let port = Int16(attribute.stringValue) {
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listenPort = port
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}
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case .mtu:
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if let mtu = Int32(attribute.stringValue) {
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self.mtu = mtu
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}
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case .privateKey:
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privateKey = attribute.stringValue
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default:
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throw TunnelParseError.invalidLine(attribute.line)
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}
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}
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}
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enum InterfaceValidationError: Error {
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case emptyPrivateKey
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case invalidPrivateKey
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case invalidAddress(cause: Error)
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case invalidDNSServer(cause: Error)
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}
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