abrown38andClaude Opus 5.5
34292eeebb
Zones, address sets (IPv4 and IPv6 mixed, dynamic sets with timeouts) and services, ordered rules in the early, input, forward and output chains, port forwards with hairpin NAT and IPv6 pinholes, source NAT, redirects, and switchable built-ins (loopback, conntrack, ICMPv6, antispoofing, MSS clamping, DHCPv6 client, flowtable). Every change is validated, checked with nft -c and applied in one transaction to Housecarl's own table, inet housecarl; changes made over the network roll back unless confirmed, and the confirmed ruleset is loaded at boot by housecarl-ruleset.service. An empty configuration applies nothing. Also: hit counters and the drop log (nflog), 'hc import' of an existing nftables ruleset and 'hc takeover', the hc CLI, the REST API and the web UI, users, scoped tokens (sets:write:NAME), the audit log, the web UI's certificate through Jarl, Debian packages, docs, unit tests with real nft 1.1.3, and an e2e test with real traffic (71 checks). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
42 lines
3.1 KiB
JavaScript
42 lines
3.1 KiB
JavaScript
// Import: an existing nftables ruleset as Housecarl's configuration.
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import { h, mount, field, textarea, input, checkbox, errorBox, copyBox } from "../ui.js";
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import { api } from "../api.js";
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import { refreshProbation } from "../app.js";
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export async function render(el) {
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const json = textarea("", { rows: 6, class: "mono", placeholder: "the output of: sudo nft -j list ruleset" });
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const text = textarea("", { rows: 4, class: "mono", placeholder: "optional, the output of: sudo nft -a list ruleset (keeps what Housecarl can't express as raw rules)" });
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const defines = textarea("", { rows: 4, class: "mono", placeholder: "optional, your /etc/nftables.conf: its defines name the sets" });
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const table = input({ placeholder: "inet main (when there are several)", class: "mono" });
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const replace = checkbox("replace Housecarl's configuration", false);
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const out = h("div");
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const run = async (dry) => {
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mount(out);
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let parsed;
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try { parsed = JSON.parse(json.value); } catch { mount(out, h("div", { class: "msg err" }, "The ruleset isn't JSON: paste the output of nft -j list ruleset.")); return; }
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try {
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const r = await api("POST", "/import/nft", { body: { json: parsed, text: text.value, defines: defines.value, table: table.value.trim(), replace: replace.input.checked },
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query: dry ? { dry_run: 1 } : undefined });
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const st = r.state;
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mount(out, h("div", { class: "msg " + (dry ? "info" : "ok") },
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dry ? "Would import: " : "Imported: ",
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`${st.zones.length} zones, ${st.sets.length} sets, ${st.services.length} services, ${st.rules.length} rules, ${st.forwards.length} port forwards, ${st.snats.length} source NAT rules, ${st.redirects.length} redirects.`,
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r.confirm_by ? " It is on probation: confirm it in the banner." : ""),
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r.notes.length ? h("div", { class: "panel" }, h("h2", null, "Notes"), h("ul", null, r.notes.map((n) => h("li", null, n)))) : null,
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r.raw.length ? h("div", { class: "panel" }, h("h2", null, "Kept as raw rules"), h("ul", { class: "mono small" }, r.raw.map((n) => h("li", null, n)))) : null,
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!dry ? h("p", null, "Check the ", h("a", { href: "#/rules" }, "rules"), " and ", h("a", { href: "#/nat" }, "NAT"),
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"; both rulesets apply until the old table goes: ", copyBox("sudo hc takeover \"inet main\"")) : null);
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if (!dry) refreshProbation();
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} catch (e) { mount(out, errorBox(e)); }
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};
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mount(el,
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h("div", { class: "page-head" }, h("div", { class: "grow" }, h("h1", null, "Import a ruleset"),
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h("div", { class: "muted" }, "Turns an nftables ruleset into zones, sets, services, rules, port forwards and NAT. On the firewall, 'sudo hc import --defines /etc/nftables.conf -n' does the same from the command line."))),
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h("div", { class: "panel" }, h("div", { class: "form-grid" },
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field("Ruleset (JSON)", json), field("Ruleset (text)", text), field("Ruleset file", defines), field("Table", table), h("label"), replace),
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h("div", { class: "actions form-actions" },
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h("button", { onclick: () => run(true) }, "Preview"),
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h("button", { class: "primary", onclick: () => run(false) }, "Import"))),
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out);
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}
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