Files
container/Sources/Helpers/RuntimeLinux/NonisolatedInterfaceStrategy.swift
T
J Logan 4f88725158 Use new IP/CIDR types from Containerization. (#957)
- Part of work for #460.
- With CZ release 0.17.0, the IP and CIDR address
  types changed from String to IPv4Address and
  CIDRv4, respectively. This PR applies the corresponding
  adaptations to container.
2025-12-16 16:34:13 -08:00

50 lines
2.1 KiB
Swift

//===----------------------------------------------------------------------===//
// Copyright © 2025 Apple Inc. and the container project authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//===----------------------------------------------------------------------===//
import ContainerNetworkService
import ContainerSandboxService
import ContainerXPC
import Containerization
import ContainerizationError
import Logging
import Virtualization
import vmnet
/// Interface strategy for containers that use macOS's custom network feature.
@available(macOS 26, *)
struct NonisolatedInterfaceStrategy: InterfaceStrategy {
private let log: Logger
public init(log: Logger) {
self.log = log
}
public func toInterface(attachment: Attachment, interfaceIndex: Int, additionalData: XPCMessage?) throws -> Interface {
guard let additionalData else {
throw ContainerizationError(.invalidState, message: "network state does not contain custom network reference")
}
var status: vmnet_return_t = .VMNET_SUCCESS
guard let networkRef = vmnet_network_create_with_serialization(additionalData.underlying, &status) else {
throw ContainerizationError(.invalidState, message: "cannot deserialize custom network reference, status \(status)")
}
log.info("creating NATNetworkInterface with network reference")
let ipv4Gateway = interfaceIndex == 0 ? attachment.ipv4Gateway : nil
return NATNetworkInterface(ipv4Address: attachment.ipv4Address, ipv4Gateway: ipv4Gateway, reference: networkRef, macAddress: attachment.macAddress)
}
}