Reverse zones made easy: suggested, filled, in the right view, PTRs kept in step
Missing reverse zones are suggested for the private views' A and AAAA records (/24 for private IPv4, /32 for a public address, /48 for IPv6) and created filled with PTR records (jarl zone suggest-reverse, the Zones page). zone create --fill and zone fill-ptr add the PTRs a reverse zone lacks; a reverse zone created without a view goes to the private view using its addresses. Per zone, auto_ptr keeps the PTR records of A and AAAA records in step on every change (database version 12). Zone commands take a network. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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adamandClaude Opus 5.5 committed
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@@ -1,5 +1,5 @@
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import { h, mount, table, field, input, select, textarea, toast, errorBox, display, badge, confirmDialog, modal, checkbox, time, diffView, backLink, viewLink, lastList } from "../ui.js";
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import { api, get, stream, change, describeResult, rrtypes, state, draftQuery } from "../api.js";
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import { h, mount, table, field, input, select, textarea, toast, errorBox, display, badge, confirmDialog, modal, checkbox, time, diffView, backLink, viewLink, lastList, plural } from "../ui.js";
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import { api, get, stream, change, describeResult, rrtypes, state, draftQuery, can } from "../api.js";
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import { rerender } from "../app.js";
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import { optionsEditor } from "./options.js";
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import { emailOf, pendingBadge } from "./zones.js";
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@@ -34,6 +34,8 @@ export async function render(el, params, query) {
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zone.pending ? [pendingBadge(zone.pending), " "] : null,
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zone.view ? ["view ", viewLink(view, zone.view, "#/zones/" + id + (params.tab ? "/" + params.tab : "")), " · "] : null,
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zone.type === "primary" ? "serial " + zone.soa.serial + " · " : null,
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zone.prefix ? h("span", { class: "mono" }, zone.prefix + " · ") : null,
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zone.auto_ptr ? [h("a", { href: "#/zones/" + id + "/settings", title: "Adding, changing, disabling or deleting an A or AAAA record does the same to its PTR record" }, badge("PTRs kept in step", "ok")), " "] : null,
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zone.dnssec_policy ? [h("a", { href: "#/zones/" + id + "/dnssec" }, badge(zone.dnssec_policy === "insecure" ? "DNSSEC: turning off" : "DNSSEC", zone.dnssec_policy === "insecure" ? "warn" : "ok")), " "] : null,
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zone.links ? [h("span", { class: "badge accent" }, "linked with ",
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zone.links.map((l, i) => [i ? ", " : "", h("a", { href: "#/zones/" + l.id + (params.tab ? "/" + params.tab : ""), title: "The zone in view " + l.view }, l.view)])), " "] : null,
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@@ -46,7 +48,10 @@ export async function render(el, params, query) {
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zone.type === "primary" && zone.view ? [linkButton(zone), " "] : null,
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h("button", { class: "danger", onclick: () => deleteZone(zone) }, "Delete zone")));
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const banner = zone.disabled ? h("div", { class: "msg warn" },
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h("strong", null, "This zone is disabled: "), "named doesn't load it. It is kept here, with its records, and can still be edited; enabling it serves it as it is then.") : null;
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h("strong", null, "This zone is disabled: "), "named doesn't load it. It is kept here, with its records, and can still be edited; enabling it serves it as it is then.")
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: zone.ptr_missing && can("zones", true) ? h("div", { class: "msg info" },
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plural(zone.ptr_missing, "address", "addresses") + " in " + zone.prefix + " that " + (zone.view ? "view " + zone.view + "'s" : "your") + " A and AAAA records use " + (zone.ptr_missing === 1 ? "has" : "have") + " no PTR record here. ",
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h("button", { class: "small", onclick: () => fillPTR(zone) }, "Add " + (zone.ptr_missing === 1 ? "it" : "them"))) : null;
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const tabBar = h("div", { class: "tabs" }, tabs.map(([k, label]) => h("a", { href: "#/zones/" + id + "/" + k, class: k === tab ? "active" : "" }, label)));
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// The header and tabs show at once. Below them, switching tabs keeps the
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// previous tab's content (faded) until the new one is loaded, rather
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@@ -442,7 +447,7 @@ async function recordsTab(el, zone, query) {
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const t = typeInfo[fType.value] || {};
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fData.placeholder = reverse && fType.value === "PTR" ? "nas.adbraun.lol" : t.example || t.format || "";
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mount(hint, h("strong", null, fType.value + ": "), t.description || "", t.format ? [" · format: ", h("code", null, t.format)] : null);
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fPTR.classList.toggle("hidden", !(fType.value === "A" || fType.value === "AAAA"));
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fPTR.classList.toggle("hidden", zone.auto_ptr || !(fType.value === "A" || fType.value === "AAAA"));
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};
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fType.addEventListener("change", () => { showHint(); preview(); });
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showHint();
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@@ -622,7 +627,9 @@ async function recordsTab(el, zone, query) {
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const del = async (r) => {
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const isAddr = r.type === "A" || r.type === "AAAA";
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let ptr = false;
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if (isAddr) {
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if (isAddr && zone.auto_ptr) {
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if (!(await confirmDialog("Delete record", display(r.name) + " " + r.type + " " + r.data + ", and its PTR record (this zone keeps them in step)", "Delete", "danger"))) return;
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} else if (isAddr) {
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const c = checkbox("Also delete the matching PTR record", true);
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const ok = await modal("Delete record", h("div", null, h("p", { class: "mono" }, display(r.name) + " " + r.type + " " + r.data), c), [{ label: "Cancel", value: false }, { label: "Delete", kind: "danger", value: true }]);
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if (ok !== true) return;
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@@ -693,7 +700,7 @@ async function recordsTab(el, zone, query) {
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h("div", { class: "f" }, h("label", null, "TTL"), eTTL),
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h("div", { class: "f grow" }, h("label", null, "Data"), eData),
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h("div", { class: "f" }, h("label", null, "Comment"), eComment),
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(r.type === "A" || r.type === "AAAA") ? h("div", { class: "f" }, h("label", null, " "), ePTR) : null,
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(r.type === "A" || r.type === "AAAA") && !zone.auto_ptr ? h("div", { class: "f" }, h("label", null, " "), ePTR) : null,
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h("div", { class: "f" }, h("label", null, " "), h("span", null, h("button", { class: "primary", onclick: save }, "Save"), " ", h("button", { onclick: () => { editing = null; draw(); } }, "Cancel")))),
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h("div", { class: "hint" }, "Created ", time(r.created_at), r.created_by ? " by " + r.created_by : "", "; changed ", time(r.updated_at), r.updated_by ? " by " + r.updated_by : "", "."),
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eErr);
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@@ -733,6 +740,7 @@ async function settingsTab(el, zone) {
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const view = select([["", "(no view)"], ...views.map((v) => [String(v.id), v.name])], String(zone.view_id || ""));
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const file = input({ value: zone.file || "", class: "mono" });
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const comment = textarea(zone.comment, { rows: 2 });
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const autoPTR = checkbox("Keep PTR records in step with the A and AAAA records", !!zone.auto_ptr);
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if (zone.type === "primary") {
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rows.push(
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field("Primary name server", mname, "SOA MNAME."),
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@@ -743,6 +751,8 @@ async function settingsTab(el, zone) {
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field("Negative TTL", minimum, "SOA minimum: how long resolvers cache 'does not exist' answers (at most 3 hours in BIND)."),
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field("Default TTL", ttl, "TTL for records that don't set their own."),
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field("Serial policy", policy, "How the serial (now " + s.serial + ") is bumped when the zone changes."));
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if (!zone.prefix && !/\.(in-addr|ip6)\.arpa\.$/.test(zone.name)) rows.push(field("Reverse DNS", autoPTR,
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"Adding, changing, disabling or deleting an address record does the same to its PTR record, in the reverse zones of " + (zone.view ? "view " + zone.view + (zone.linked_with ? " and the linked views" : "") : "the server") + ". An address keeps the name it has; one without a reverse zone is left alone (Zones lists the reverse zones you're missing)."));
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}
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if (["secondary", "mirror", "stub", "hint", "redirect"].includes(zone.type)) rows.push(field("File", file, "Leave empty for a file managed by Jarl's cache directory (secondary zones)."));
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if (views.length) rows.push(field("View", view, "Moving a zone to another view changes which clients see it."));
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@@ -754,6 +764,7 @@ async function settingsTab(el, zone) {
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body.soa = { mname: mname.value.trim(), rname: rname.value.trim(), refresh: +refresh.value, retry: +retry.value, expire: +expire.value, minimum: +minimum.value };
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body.default_ttl = +ttl.value;
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body.serial_policy = policy.value;
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if (!!zone.auto_ptr !== autoPTR.input.checked) body.auto_ptr = autoPTR.input.checked;
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}
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if (["secondary", "mirror", "stub", "hint", "redirect"].includes(zone.type)) body.file = file.value.trim();
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if (views.length) body.view_id = view.value ? Number(view.value) : 0;
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@@ -824,3 +835,13 @@ async function toggleZone(zone) {
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rerender();
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} catch (e) { toast(e.message, "err", 8000); }
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}
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// fillPTR adds the PTR records a reverse zone lacks (docs/reverse.md).
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async function fillPTR(zone) {
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try {
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const r = await change("POST", "/zones/" + zone.id + "/fill-ptr");
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toast(describeResult(r));
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(r.warnings || []).forEach((w) => toast(w, "warn", 10000));
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rerender();
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} catch (e) { toast(e.message, "err", 8000); }
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}
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