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project-client-server-apps
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node_modules/default-gateway/darwin.js
52 строки
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1lostsun
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05 май 2025, 11:35
05 май 2025, 11:35
fe8f535
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"use strict"; const {isIP} = require("net"); const {release} = require("os"); const execa = require("execa"); const dests = new Set(["default", "0.0.0.0", "0.0.0.0/0", "::", "::/0"]); const args = { v4: ["-rn", "-f", "inet"], v6: ["-rn", "-f", "inet6"], }; // The IPv4 gateway is in column 3 in Darwin 19 (macOS 10.15 Catalina) and higher, // previously it was in column 5 const v4IfaceColumn = parseInt(release()) >= 19 ? 3 : 5; const parse = (stdout, family) => { let result; (stdout || "").trim().split("\n").some(line => { const results = line.split(/ +/) || []; const target = results[0]; const gateway = results[1]; const iface = results[family === "v4" ? v4IfaceColumn : 3]; if (dests.has(target) && gateway && isIP(gateway)) { result = {gateway, interface: (iface ? iface : null)}; return true; } }); if (!result) { throw new Error("Unable to determine default gateway"); } return result; }; const promise = async family => { const {stdout} = await execa("netstat", args[family]); return parse(stdout, family); }; const sync = family => { const {stdout} = execa.sync("netstat", args[family]); return parse(stdout, family); }; module.exports.v4 = () => promise("v4"); module.exports.v6 = () => promise("v6"); module.exports.v4.sync = () => sync("v4"); module.exports.v6.sync = () => sync("v6");