68 lines
2.5 KiB
Swift
68 lines
2.5 KiB
Swift
//
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// NetworkInterface.swift
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// Tun
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//
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// Created by 安礼成 on 2024/1/19.
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//
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import Foundation
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public struct NetworkInterface {
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let name: String
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let ip: String
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let netmask: String
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}
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public struct NetworkInterfaceManager {
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/**
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获取网卡信息, (let name: String let ip: String let netmask: String)
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*/
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public static func getInterfaces() -> [NetworkInterface] {
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var interfaces: [NetworkInterface] = []
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// Get list of all interfaces on the local machine:
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var ifaddr : UnsafeMutablePointer<ifaddrs>? = nil
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if getifaddrs(&ifaddr) == 0 {
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// For each interface ...
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var ptr = ifaddr
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while( ptr != nil) {
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let flags = Int32(ptr!.pointee.ifa_flags)
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var addr = ptr!.pointee.ifa_addr.pointee
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// Check for running IPv4, IPv6 interfaces. Skip the loopback interface.
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if (flags & (IFF_UP|IFF_RUNNING|IFF_LOOPBACK)) == (IFF_UP|IFF_RUNNING) {
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if addr.sa_family == UInt8(AF_INET) || addr.sa_family == UInt8(AF_INET6) {
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var mask = ptr!.pointee.ifa_netmask.pointee
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// Convert interface address to a human readable string:
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let zero = CChar(0)
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var hostname = [CChar](repeating: zero, count: Int(NI_MAXHOST))
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var netmask = [CChar](repeating: zero, count: Int(NI_MAXHOST))
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if (getnameinfo(&addr, socklen_t(addr.sa_len), &hostname, socklen_t(hostname.count),
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nil, socklen_t(0), NI_NUMERICHOST) == 0) {
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let address = String(cString: hostname)
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let name = ptr!.pointee.ifa_name!
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let ifname = String(cString: name)
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if (getnameinfo(&mask, socklen_t(mask.sa_len), &netmask, socklen_t(netmask.count), nil, socklen_t(0), NI_NUMERICHOST) == 0) {
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let netmaskIP = String(cString: netmask)
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interfaces.append(NetworkInterface(name: ifname, ip: address, netmask: netmaskIP))
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}
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}
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}
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}
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ptr = ptr!.pointee.ifa_next
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}
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freeifaddrs(ifaddr)
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}
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return interfaces
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}
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}
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