offer the log mode in the swarm ui

frontend/packages/swarm-ui/src/agent/detail/AgentPermissions.tsx

@@ -27,7 +27,9 @@ import {
   editorSelection,
   grantSummary,
   internetBody,
+  internetMode,
   internetSummary,
+  type InternetMode,
 } from "./permissions.js";
 import "./AgentLimits.css";
 
@@ -35,6 +37,7 @@ import "./AgentLimits.css";
 interface Grant {
   permissions?: string[];
   unrestricted_internet?: boolean;
+  internet_log?: boolean;
 }
 
 // Mirrors swarm-controller's `Catalogue` (`GET /api/permissions`).
@@ -43,6 +46,17 @@ interface Catalogue {
   default: string[];
 }
 
+// The buttons for the modes an agent is not in: mode, label, tooltip.
+const INTERNET_MODES: [InternetMode, string, string][] = [
+  [
+    "unrestricted",
+    "allow unrestricted",
+    "let its traffic leave the host unfiltered",
+  ],
+  ["log", "log", "allow what restricted would deny, and log it as would_deny"],
+  ["restricted", "restrict", "allow only the listed names"],
+];
+
 function permissionsUrl(agent: string): string {
   return `/api/agents/${encodeURIComponent(agent)}/permissions`;
 }
@@ -75,15 +89,15 @@ export function AgentPermissions({ agent }: { agent: string }) {
     };
   }, [agent, reload]);
 
-  // Flips the internet flag, sending the stored list with it.
+  // Sets the internet mode, sending the stored list with it.
-  async function setInternet(g: Grant, unrestricted: boolean) {
+  async function setInternet(g: Grant, mode: InternetMode) {
     if (flagBusy) return;
     setFlagBusy(true);
     try {
       const r = await fetch(permissionsUrl(agent), {
         method: "PUT",
         headers: { "content-type": "application/json" },
-        body: JSON.stringify(internetBody(g.permissions, unrestricted)),
+        body: JSON.stringify(internetBody(g.permissions, mode)),
       });
       if (!r.ok) {
         setError(await readApiError(r));
@@ -130,20 +144,21 @@ export function AgentPermissions({ agent }: { agent: string }) {
       ) : null}
       <Badge
         label="internet"
-        value={internetSummary(grant.unrestricted_internet)}
+        value={internetSummary(grant.unrestricted_internet, grant.internet_log)}
-      />
-      <Badge
-        variant="quiet"
-        value={
-          grant.unrestricted_internet === false
-            ? "allow unrestricted"
-            : "restrict"
-        }
-        title={`set whether ${agent}'s traffic may leave the host unfiltered`}
-        onClick={() =>
-          void setInternet(grant, grant.unrestricted_internet === false)
-        }
       />
+      {INTERNET_MODES.filter(
+        ([mode]) =>
+          mode !==
+          internetMode(grant.unrestricted_internet, grant.internet_log),
+      ).map(([mode, label, title]) => (
+        <Badge
+          key={mode}
+          variant="quiet"
+          value={label}
+          title={`${title} for ${agent}`}
+          onClick={() => void setInternet(grant, mode)}
+        />
+      ))}
       <Badge
         variant="quiet"
         value="edit"

frontend/packages/swarm-ui/src/agent/detail/permissions.ts

@@ -22,26 +22,50 @@ export function grantSummary(stored: string[] | undefined): string {
   return `${stored.length} granted`;
 }
 
+/** The three modes of an agent's internet access. */
+export type InternetMode = "unrestricted" | "log" | "restricted";
+
 /**
- * How the panel reads the stored `unrestricted_internet`. An absent value
+ * How the panel reads the stored `unrestricted_internet` and `internet_log`.
- * counts as on, and says "legacy" because the swarm never set it.
+ * An absent flag counts as on, and says "legacy" because the swarm never set
+ * it. `log` is `internet_log` beside an explicit `false`.
  */
-export function internetSummary(stored: boolean | undefined): string {
+export function internetSummary(
+  stored: boolean | undefined,
+  log?: boolean,
+): string {
   if (stored === undefined) return "unrestricted (legacy)";
-  return stored ? "unrestricted" : "restricted";
+  if (stored) return "unrestricted";
+  return log ? "log (unlisted names allowed, logged)" : "restricted";
+}
+
+/** The mode the stored fields put the agent in. */
+export function internetMode(
+  stored: boolean | undefined,
+  log?: boolean,
+): InternetMode {
+  if (stored === undefined || stored) return "unrestricted";
+  return log ? "log" : "restricted";
 }
 
 /**
- * The `PUT` body that sets the internet flag. A `PUT` without `permissions`
+ * The `PUT` body that sets the internet mode. A `PUT` without `permissions`
  * resets a stored list to the default, so the stored list goes along; an
- * agent with none stored sends the flag alone, which leaves it unset.
+ * agent with none stored sends the mode alone, which leaves the list unset.
+ * `log` names `internet_log` beside `unrestricted_internet: false`; the other
+ * two leave it out, which ends logging.
  */
 export function internetBody(
   stored: string[] | undefined,
-  unrestricted: boolean,
+  mode: InternetMode,
-): { permissions?: string[]; unrestricted_internet: boolean } {
+): {
+  permissions?: string[];
+  unrestricted_internet: boolean;
+  internet_log?: true;
+} {
   return {
     ...(stored === undefined ? {} : { permissions: stored }),
-    unrestricted_internet: unrestricted,
+    unrestricted_internet: mode === "unrestricted",
+    ...(mode === "log" ? { internet_log: true as const } : {}),
   };
 }

frontend/packages/swarm-ui/test/agent-permissions.test.mjs

@@ -6,6 +6,7 @@ import {
   editorSelection,
   grantSummary,
   internetBody,
+  internetMode,
   internetSummary,
 } from "../src/agent/detail/permissions.ts";
 
@@ -43,18 +44,38 @@ test("an absent internet flag reads as unrestricted, marked legacy", () => {
 });
 
 test("the internet toggle sends the stored list with the flag", () => {
-  assert.deepEqual(internetBody(["meta", "inbox"], false), {
+  assert.deepEqual(internetBody(["meta", "inbox"], "restricted"), {
     permissions: ["meta", "inbox"],
     unrestricted_internet: false,
   });
-  assert.deepEqual(internetBody([], true), {
+  assert.deepEqual(internetBody([], "unrestricted"), {
     permissions: [],
     unrestricted_internet: true,
   });
 });
 
 test("with no stored list the toggle leaves the list unset", () => {
-  assert.deepEqual(internetBody(undefined, false), {
+  assert.deepEqual(internetBody(undefined, "restricted"), {
     unrestricted_internet: false,
   });
 });
+
+test("log is internet_log beside an explicit false, and nothing else reads as it", () => {
+  assert.equal(internetMode(false, true), "log");
+  assert.equal(internetMode(false, undefined), "restricted");
+  assert.equal(internetMode(false, false), "restricted");
+  assert.equal(internetMode(true, true), "unrestricted");
+  assert.equal(internetMode(undefined, true), "unrestricted");
+  assert.match(internetSummary(false, true), /^log /);
+  assert.equal(internetSummary(false), "restricted");
+});
+
+test("the log mode keeps the old flag false and names internet_log; the others leave it out", () => {
+  assert.deepEqual(internetBody(["meta"], "log"), {
+    permissions: ["meta"],
+    unrestricted_internet: false,
+    internet_log: true,
+  });
+  assert.equal("internet_log" in internetBody([], "restricted"), false);
+  assert.equal("internet_log" in internetBody([], "unrestricted"), false);
+});