add chain and table addition to frontend

frontend/src/api/apiClient.ts

@@ -163,6 +163,12 @@ export const createRuleJson = async (req: CreateRuleRequest): Promise<ExecResult
   const res = await api.post<ExecResult>("/firewall/rules", req);
   return res.data;
 };
+
+export const execFirewallRaw = async (cmd: string): Promise<ExecResult> => {
+  const res = await api.post<ExecResult>("/firewall/raw", { "cmd": cmd });
+  return res.data;
+}
+
 /* -------------------------
    Scripts
    ------------------------- */

frontend/src/components/FireWallAddChainModal.tsx

@@ -0,0 +1,399 @@
+// src/components/AddChainModal.tsx
+import { CopyOutlined } from '@ant-design/icons';
+import {
+  Alert,
+  Button,
+  Card,
+  Col,
+  Form,
+  Input,
+  InputNumber,
+  Modal,
+  Row,
+  Select,
+  Space,
+  Spin,
+  Typography,
+  message,
+} from 'antd';
+import { ReactElement, useEffect, useState } from 'react';
+import { execFirewallRaw, fetchRuleset } from '../api/apiClient';
+import { CmdResult, ExecResult } from '../types/firewall';
+
+const { Paragraph, Text } = Typography;
+const { Option } = Select;
+
+type TableProp = {
+  family: string;
+  name: string;
+};
+
+type Props = {
+  open: boolean;
+  onClose: () => void;
+  table?: TableProp; // if provided, family & tableName are prefilled & readonly
+  startOnPreview?: boolean;
+  onSuccess?: () => void;
+};
+
+const FAMILY_DESCRIPTIONS: Record<string, string> = {
+  ip: 'IPv4 packets.',
+  ip6: 'IPv6 packets.',
+  inet: 'Both IPv4 and IPv6.',
+  arp: 'ARP packets.',
+  bridge: 'Packets passing through a bridge.',
+  netdev: 'Direct filtering on a network device (ingress).',
+};
+
+export default function FirewallAddChainModal({
+  open,
+  onClose,
+  table,
+  startOnPreview = false,
+  onSuccess,
+}: Props): ReactElement {
+  const [form] = Form.useForm();
+  const [loadingRuleset, setLoadingRuleset] = useState(false);
+  const [rulesetEmpty, setRulesetEmpty] = useState<boolean>(false);
+  const [step, setStep] = useState<number>(startOnPreview ? 1 : 0);
+  const [running, setRunning] = useState(false);
+  const [results, setResults] = useState<CmdResult[]>([]);
+  const [selectedFamily, setSelectedFamily] = useState<string>(table?.family ?? 'bridge');
+
+  // set defaults and prefill when modal opens or table prop changes
+  useEffect(() => {
+    // only prefill family/tableName if provided by prop
+    form.setFieldsValue({
+      family: table?.family ?? 'bridge',
+      tableName: table?.name ?? 'filter',
+      // intentionally do NOT set chainName here so user input is preserved normally
+      type: 'filter',
+      hook: 'forward',
+      priority: 0,
+      policy: 'accept',
+    });
+    setSelectedFamily(table?.family ?? 'bridge');
+
+    if (open) {
+      refreshRuleset();
+      setResults([]);
+      setRunning(false);
+      setStep(startOnPreview ? 1 : 0);
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [open, table]);
+
+  async function refreshRuleset() {
+    setLoadingRuleset(true);
+    try {
+      const res = await fetchRuleset();
+      const ruleset = (res as any).ruleset;
+      if (ruleset && Array.isArray(ruleset.tables)) {
+        setRulesetEmpty(ruleset.tables.length === 0);
+      } else {
+        setRulesetEmpty(false);
+      }
+    } catch (err: any) {
+      // don't block UI — warn user
+      message.warning('Could not load ruleset: ' + (err?.message ?? String(err)));
+    } finally {
+      setLoadingRuleset(false);
+    }
+  }
+
+  // Build add chain command — now reads chainName from values OR live form value
+  function buildCommands(values: any): string[] {
+    const family = values.family ?? form.getFieldValue('family') ?? table?.family ?? 'bridge';
+    const tableName = values.tableName ?? form.getFieldValue('tableName') ?? table?.name ?? 'filter';
+
+    // prefer explicitly provided values.chainName, otherwise read from form live state
+    const chainFromValues =
+      values && typeof values.chainName === 'string' && values.chainName.trim().length > 0
+        ? values.chainName.trim()
+        : undefined;
+    const chainFromForm = form.getFieldValue('chainName');
+    const chain =
+      chainFromValues ||
+      (typeof chainFromForm === 'string' && chainFromForm.trim().length > 0 ? chainFromForm.trim() : undefined) ||
+      'mychain';
+
+    const type = values.type ?? form.getFieldValue('type') ?? 'filter';
+    const hook = values.hook ?? form.getFieldValue('hook') ?? 'forward';
+    const priority =
+      typeof (values.priority ?? form.getFieldValue('priority')) === 'number'
+        ? (values.priority ?? form.getFieldValue('priority'))
+        : 0;
+    const policy = values.policy ?? form.getFieldValue('policy') ?? '';
+
+    const policyPart = policy ? ` policy ${policy} ;` : '';
+    const cmd = `add chain ${family} ${tableName} ${chain} { type ${type} hook ${hook} priority ${priority} ;${policyPart} }`;
+    return [cmd];
+  }
+
+  // Execute commands sequentially
+  async function executeCommands(cmds: string[]) {
+    setRunning(true);
+    setResults([]);
+    const acc: CmdResult[] = [];
+
+    for (const cmd of cmds) {
+      try {
+        const out = (await execFirewallRaw(cmd)) as ExecResult;
+        const success = out && (out.rc === 0 || out.rc === -1);
+        if (success) acc.push({ cmd, out });
+        else acc.push({ cmd, out, err: `rc: ${out.rc} stderr: ${out.stderr ?? ''}` });
+      } catch (err: any) {
+        acc.push({ cmd, err: err?.message ?? String(err) });
+      }
+    }
+
+    setResults(acc);
+    setRunning(false);
+
+    // refresh ruleset after running
+    try {
+      await refreshRuleset();
+    } catch {
+      /* ignore - refreshRuleset handles messaging */
+    }
+
+    const hadError = acc.some((r) => r.err);
+    if (!hadError) {
+      message.success('Chain created and ruleset refreshed');
+      onClose();
+      if (onSuccess) onSuccess();
+    } else {
+      message.error('Some commands returned errors — see results in the modal');
+      setStep(1);
+    }
+  }
+
+  function renderFooter() {
+    return (
+      <Space>
+        <Button
+          onClick={() => {
+            if (step === 0) onClose();
+            else setStep(0);
+          }}
+        >
+          {step === 0 ? 'Cancel' : 'Back'}
+        </Button>
+
+        {step === 0 ? (
+          <Space>
+            <Button
+              icon={<CopyOutlined />}
+              onClick={() => {
+                const txt = buildCommands(form.getFieldsValue()).join('\n');
+                navigator.clipboard.writeText(txt).then(() => message.success('Command copied'));
+              }}
+            >
+              Copy Command
+            </Button>
+            <Button
+              type="primary"
+              onClick={async () => {
+                // validate required fields before going to preview
+                try {
+                  await form.validateFields(['chainName', ...(table ? [] : ['tableName', 'family'])]);
+                  setStep(1);
+                } catch (e) {
+                  // validation errors shown by AntD
+                }
+              }}
+            >
+              Preview
+            </Button>
+          </Space>
+        ) : (
+          <Button
+            type="primary"
+            loading={running}
+            onClick={() => executeCommands(buildCommands(form.getFieldsValue()))}
+          >
+            Execute
+          </Button>
+        )}
+      </Space>
+    );
+  }
+
+  if (loadingRuleset) {
+    return (
+      <Modal title="Add Chain" open={open} onCancel={onClose} footer={null} width={800}>
+        <div style={{ textAlign: 'center', padding: 28 }}>
+          <Spin />
+        </div>
+      </Modal>
+    );
+  }
+
+  const isPrefilled = Boolean(table?.family && table?.name);
+
+  return (
+    <Modal title="Add Chain" open={open} onCancel={onClose} width={800} footer={renderFooter()} destroyOnClose>
+      {/* Step 0: Form */}
+      {step === 0 && (
+        <div>
+          {rulesetEmpty && (
+            <Alert
+              type="info"
+              message="No firewall tables found"
+              description="You will need to create a table first before adding a chain."
+              style={{ marginBottom: 12 }}
+            />
+          )}
+
+          <Form
+            form={form}
+            layout="vertical"
+            onValuesChange={(changed) => {
+              if (changed.family) setSelectedFamily(changed.family);
+            }}
+          >
+            <Row gutter={12}>
+              {/* family & table: show inputs only when not provided via props */}
+              <Col span={8}>
+                {isPrefilled ? (
+                  <Form.Item label="Family">
+                    <Text strong>{table!.family}</Text>
+                    <Paragraph type="secondary" style={{ marginTop: 8 }}>
+                      {FAMILY_DESCRIPTIONS[table!.family]}
+                    </Paragraph>
+                  </Form.Item>
+                ) : (
+                  <Form.Item name="family" label="Family" rules={[{ required: true }]}>
+                    <Select defaultValue="bridge">
+                      <Option value="ip">ip</Option>
+                      <Option value="ip6">ip6</Option>
+                      <Option value="inet">inet</Option>
+                      <Option value="arp">arp</Option>
+                      <Option value="bridge">bridge</Option>
+                      <Option value="netdev">netdev</Option>
+                    </Select>
+                  </Form.Item>
+                )}
+              </Col>
+
+              <Col span={8}>
+                {isPrefilled ? (
+                  <Form.Item label="Table">
+                    <Text strong>{table!.name}</Text>
+                  </Form.Item>
+                ) : (
+                  <Form.Item name="tableName" label="Table Name" rules={[{ required: true }]}>
+                    <Input placeholder="filter" />
+                  </Form.Item>
+                )}
+              </Col>
+
+              <Col span={8}>
+                <Form.Item name="chainName" label="Chain Name" rules={[{ required: true }]}>
+                  <Input placeholder="e.g. forward" />
+                </Form.Item>
+              </Col>
+            </Row>
+
+            <Row gutter={12} style={{ marginTop: 8 }}>
+              <Col span={6}>
+                <Form.Item name="type" label="Type" initialValue="filter">
+                  <Select>
+                    <Option value="filter">filter</Option>
+                    <Option value="nat">nat</Option>
+                    <Option value="route">route</Option>
+                  </Select>
+                </Form.Item>
+              </Col>
+
+              <Col span={6}>
+                <Form.Item name="hook" label="Hook" initialValue="forward">
+                  <Select>
+                    <Option value="input">input</Option>
+                    <Option value="forward">forward</Option>
+                    <Option value="output">output</Option>
+                    <Option value="ingress">ingress</Option>
+                    <Option value="egress">egress</Option>
+                  </Select>
+                </Form.Item>
+              </Col>
+
+              <Col span={6}>
+                <Form.Item name="priority" label="Priority" initialValue={0}>
+                  <InputNumber style={{ width: '100%' }} />
+                </Form.Item>
+              </Col>
+
+              <Col span={6}>
+                <Form.Item name="policy" label="Policy" initialValue="accept">
+                  <Select>
+                    <Option value="accept">accept</Option>
+                    <Option value="drop">drop</Option>
+                    <Option value="">(none)</Option>
+                  </Select>
+                </Form.Item>
+              </Col>
+            </Row>
+          </Form>
+        </div>
+      )}
+
+      {/* Step 1: Preview & Results */}
+      {step === 1 && (
+        <>
+          <Card title="Command preview" style={{ marginBottom: 12 }}>
+            <Paragraph>
+              The command below will be executed on the server (server will prefix with <Text code>nft</Text>):
+            </Paragraph>
+            <pre style={{ whiteSpace: 'pre-wrap', background: '#fafafa', padding: 12 }}>
+              {buildCommands(form.getFieldsValue()).join('\n')}
+            </pre>
+
+            <Space style={{ marginTop: 12 }}>
+              <Button
+                icon={<CopyOutlined />}
+                onClick={() => {
+                  const txt = buildCommands(form.getFieldsValue()).join('\n');
+                  navigator.clipboard.writeText(txt).then(() => message.success('Command copied'));
+                }}
+              >
+                Copy command
+              </Button>
+            </Space>
+          </Card>
+
+          {results.length > 0 && (
+            <Card title="Execution results" style={{ marginTop: 12 }}>
+              {results.map((r, i) => (
+                <div key={i} style={{ marginBottom: 12 }}>
+                  <Text strong>{r.cmd}</Text>
+                  {r.err ? (
+                    <Paragraph type="danger">{r.err}</Paragraph>
+                  ) : (
+                    <>
+                      <Paragraph>
+                        <Text type="secondary">rc:</Text> {r.out?.rc}
+                      </Paragraph>
+                      {r.out?.stdout ? (
+                        <>
+                          <Text type="secondary">stdout:</Text>
+                          <pre style={{ whiteSpace: 'pre-wrap', background: '#fff', padding: 8 }}>{r.out.stdout}</pre>
+                        </>
+                      ) : null}
+                      {r.out?.stderr ? (
+                        <>
+                          <Text type="secondary">stderr:</Text>
+                          <pre style={{ whiteSpace: 'pre-wrap', background: '#fff', padding: 8 }}>{r.out.stderr}</pre>
+                        </>
+                      ) : null}
+                    </>
+                  )}
+                </div>
+              ))}
+            </Card>
+          )}
+        </>
+      )}
+    </Modal>
+  );
+}

frontend/src/components/FireWallAddTableModal.tsx

@@ -0,0 +1,250 @@
+// src/components/FirewallManager.tsx
+import { Button, Card, Col, Form, Input, Modal, Row, Select, Space, Spin, Typography, message } from 'antd';
+import { ReactElement, useEffect, useState } from 'react';
+import { execFirewallRaw, fetchRuleset } from '../api/apiClient';
+
+const { Paragraph, Text } = Typography;
+const { Option } = Select;
+
+type ExecResult = {
+  rc: number;
+  stdout?: string | null;
+  stderr?: string | null;
+};
+
+type CmdResult = {
+  cmd: string;
+  out?: ExecResult;
+  err?: string;
+};
+
+type Props = {
+  open: boolean;
+  onClose: () => void;
+  startOnPreview?: boolean;
+};
+
+const FAMILY_DESCRIPTIONS: Record<string, string> = {
+  ip: 'IPv4 packets.',
+  ip6: 'IPv6 packets.',
+  inet: 'Both IPv4 and IPv6.',
+  arp: 'ARP packets.',
+  bridge: 'Packets passing through a bridge.',
+  netdev: 'Direct filtering on a network device (ingress).',
+};
+
+export default function FirewallAddTableModal({ open, onClose, startOnPreview = false }: Props): ReactElement {
+  const [form] = Form.useForm();
+  const [localLoadingRuleset, setLocalLoadingRuleset] = useState(false);
+  const [rulesetEmpty, setRulesetEmpty] = useState<boolean>(false);
+  const [step, setStep] = useState<number>(startOnPreview ? 1 : 0);
+  const [running, setRunning] = useState(false);
+  const [results, setResults] = useState<CmdResult[]>([]);
+  const [selectedFamily, setSelectedFamily] = useState<string>('bridge');
+
+  // initialize and refresh when modal opens
+  useEffect(() => {
+    form.setFieldsValue({
+      family: 'bridge',
+      tableName: 'filter',
+    });
+    setSelectedFamily('bridge');
+
+    if (open) {
+      refreshRuleset();
+      setResults([]);
+      setRunning(false);
+      setStep(startOnPreview ? 1 : 0);
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [open]);
+
+  async function refreshRuleset() {
+    setLocalLoadingRuleset(true);
+    try {
+      const res = await fetchRuleset();
+      const ruleset = (res as any).ruleset;
+      if (ruleset && Array.isArray(ruleset.tables)) {
+        setRulesetEmpty(ruleset.tables.length === 0);
+      } else {
+        setRulesetEmpty(false);
+      }
+    } catch (err: any) {
+      message.warning('Could not load ruleset: ' + (err?.message ?? String(err)));
+    } finally {
+      setLocalLoadingRuleset(false);
+    }
+  }
+
+  // Build commands: only create table
+  function buildCommands(values: any): string[] {
+    const family = values.family ?? 'bridge';
+    const table = values.tableName ?? 'filter';
+    return [`add table ${family} ${table}`];
+  }
+
+  // Execute commands sequentially
+  async function executeCommands(cmds: string[]) {
+    setRunning(true);
+    setResults([]);
+
+    const acc: CmdResult[] = [];
+    for (const cmd of cmds) {
+      try {
+        const out = (await execFirewallRaw(cmd)) as ExecResult;
+        const success = out && (out.rc === 0 || out.rc === -1);
+        if (success) acc.push({ cmd, out });
+        else acc.push({ cmd, out, err: `rc: ${out.rc} stderr: ${out.stderr ?? ''}` });
+      } catch (err: any) {
+        acc.push({ cmd, err: err?.message ?? String(err) });
+      }
+    }
+
+    setResults(acc);
+    setRunning(false);
+
+    // refresh ruleset after running
+    try {
+      await refreshRuleset();
+    } catch {
+      // ignore — refreshRuleset handles messaging
+    }
+
+    const hadError = acc.some((r) => r.err);
+    if (!hadError) {
+      message.success('Table created and ruleset refreshed');
+      onClose();
+    } else {
+      message.error('Some commands returned errors — see results in the modal');
+      setStep(1);
+    }
+  }
+
+  function renderFooter() {
+    return (
+      <Space>
+        <Button
+          onClick={() => {
+            if (step === 0) onClose();
+            else setStep(0);
+          }}
+        >
+          {step === 0 ? 'Cancel' : 'Back'}
+        </Button>
+
+        {step === 0 ? (
+          <Space>
+            <Button type="primary" onClick={() => setStep(1)}>
+              Preview
+            </Button>
+          </Space>
+        ) : (
+          <Button
+            type="primary"
+            loading={running}
+            onClick={() => executeCommands(buildCommands(form.getFieldsValue()))}
+          >
+            Execute
+          </Button>
+        )}
+      </Space>
+    );
+  }
+
+  // show spinner while checking ruleset
+  if (localLoadingRuleset) {
+    return (
+      <Modal title="Create Table" open={open} onCancel={onClose} footer={null} width={700}>
+        <div style={{ textAlign: 'center', padding: 28 }}>
+          <Spin />
+        </div>
+      </Modal>
+    );
+  }
+
+  return (
+    <Modal title="Create Table" open={open} onCancel={onClose} width={700} footer={renderFooter()} destroyOnClose>
+      {/* Step 0: minimal form */}
+      {step === 0 && (
+        <div>
+          <Form
+            form={form}
+            layout="vertical"
+            onValuesChange={(changed) => {
+              if (changed.family) setSelectedFamily(changed.family);
+            }}
+          >
+            <Row gutter={12}>
+              <Col span={8}>
+                <Form.Item name="family" label="Family" rules={[{ required: true }]}>
+                  <Select defaultValue="bridge" value={selectedFamily}>
+                    <Option value="ip">ip</Option>
+                    <Option value="ip6">ip6</Option>
+                    <Option value="inet">inet</Option>
+                    <Option value="arp">arp</Option>
+                    <Option value="bridge">bridge</Option>
+                    <Option value="netdev">netdev</Option>
+                  </Select>
+                </Form.Item>
+                <Paragraph type="secondary" style={{ marginTop: 8 }}>
+                  {FAMILY_DESCRIPTIONS[selectedFamily]}
+                </Paragraph>
+              </Col>
+
+              <Col span={8}>
+                <Form.Item name="tableName" label="Table Name" rules={[{ required: true }]}>
+                  <Input />
+                </Form.Item>
+              </Col>
+            </Row>
+          </Form>
+        </div>
+      )}
+
+      {/* Step 1: preview + results */}
+      {step === 1 && (
+        <>
+          <Card title="Command preview" style={{ marginBottom: 12 }}>
+            <Paragraph>
+              The command below will be executed on the server (server will prefix with <Text code>nft</Text>):
+            </Paragraph>
+            <pre style={{ whiteSpace: 'pre-wrap', background: '#fafafa', padding: 12 }}>
+              {buildCommands(form.getFieldsValue()).join('\n')}
+            </pre>
+          </Card>
+
+          {results.length > 0 && (
+            <Card title="Execution results" style={{ marginTop: 12 }}>
+              {results.map((r, i) => (
+                <div key={i} style={{ marginBottom: 12 }}>
+                  <Text strong>{r.cmd}</Text>
+                  {r.err ? (
+                    <Paragraph type="danger">{r.err}</Paragraph>
+                  ) : (
+                    <>
+                      <Paragraph>
+                        <Text type="secondary">rc:</Text> {r.out?.rc}
+                      </Paragraph>
+                      {r.out?.stdout ? (
+                        <>
+                          <Text type="secondary">stdout:</Text>
+                          <pre style={{ whiteSpace: 'pre-wrap', background: '#fff', padding: 8 }}>{r.out.stdout}</pre>
+                        </>
+                      ) : null}
+                      {r.out?.stderr ? (
+                        <>
+                          <Text type="secondary">stderr:</Text>
+                          <pre style={{ whiteSpace: 'pre-wrap', background: '#fff', padding: 8 }}>{r.out.stderr}</pre>
+                        </>
+                      ) : null}
+                    </>
+                  )}
+                </div>
+              ))}
+            </Card>
+          )}
+        </>
+      )}
+    </Modal>
+  );
+}

frontend/src/components/FirewallRulesetViewer.tsx

@@ -1,239 +1,451 @@
-// src/components/RulesView.tsx
-import { DeleteOutlined, EyeOutlined, ReloadOutlined } from '@ant-design/icons';
-import { Button, Card, Collapse, Drawer, Empty, Popconfirm, Space, Spin, Table, Typography, message } from 'antd';
-import type { ColumnsType } from 'antd/es/table';
-import React, { useCallback, useEffect, useMemo, useState } from 'react';
-import { deleteRule, fetchRuleset } from '../api/apiClient';
-import { ChainOut, RulesetModel, TableOut } from '../types/firewall';
+import { Alert, Button, Card, Modal, Space, Spin, Table, Typography, message } from 'antd';
+import { ColumnsType } from 'antd/lib/table';
+import { ReactElement, useEffect, useState } from 'react';
+import { execFirewallRaw, fetchRuleset } from '../api/apiClient';
+import { CmdResult, ExecResult } from '../types/firewall';
+import FirewallAddChainModal from './FireWallAddChainModal';
+import FirewallAddTableModal from './FireWallAddTableModal';
 
-const { Panel } = Collapse;
-const { Paragraph, Text } = Typography;
+const { Paragraph, Text, Title } = Typography;
 
-interface RuleRow {
-  key: string;
-  handle?: number | null;
-  text: string;
-  expr: any;
-  comment?: string | null;
-  position?: any;
-  // context for delete
-  family: string;
-  table: string;
-  chain: string;
-}
-
-/**
- * Render rules inside an antd Table. The UI layout:
- * - Collapse per table (title = family:name)
- * - Inside each table -> collapse per chain (only chains that have rules)
- * - Each chain shows a Table of rules with delete and inspect actions
- */
-export const RulesView: React.FC<{ apiBase?: string }> = ({ apiBase = '' }) => {
-  const [loading, setLoading] = useState(false);
-  const [ruleset, setRuleset] = useState<RulesetModel | null>(null);
-  const [rawFallback, setRawFallback] = useState<string | null>(null);
-  const [exprDrawerVisible, setExprDrawerVisible] = useState(false);
-  const [exprForView, setExprForView] = useState<any>(null);
-  const [selectedRuleContext, setSelectedRuleContext] = useState<{
-    family: string;
-    table: string;
-    chain: string;
-    handle?: number | null;
-  } | null>(null);
-
-  const fetchRules = useCallback(async () => {
-    setLoading(true);
-    try {
-      const data = await fetchRuleset();
-      if (!data || data.ruleset === null) {
-        setRuleset({ tables: [] });
-        setRawFallback(null);
-      } else if (typeof data.ruleset === 'string') {
-        // fallback textual ruleset
-        setRawFallback(data.ruleset);
-        setRuleset({ tables: [] });
-      } else {
-        setRuleset(data.ruleset as RulesetModel);
-        setRawFallback(null);
-      }
-    } catch (err: any) {
-      message.error(`Failed to load ruleset: ${err?.message ?? err}`);
-      setRuleset({ tables: [] });
-      setRawFallback(null);
-    } finally {
-      setLoading(false);
-    }
-  }, [apiBase]);
-
-  useEffect(() => {
-    fetchRules();
-  }, [fetchRules]);
-
-  const onDelete = useCallback(
-    async (row: RuleRow) => {
-      if (!row.handle) {
-        message.error('Rule has no handle and cannot be deleted via API.');
-        return;
-      }
-      setLoading(true);
-      try {
-        await deleteRule(row.handle, row.family, row.table, row.chain);
-        message.success('Rule deleted');
-        await fetchRules();
-      } catch (err: any) {
-        message.error(`Delete failed: ${err?.message ?? err}`);
-      } finally {
-        setLoading(false);
-      }
-    },
-    [apiBase, fetchRules],
-  );
-
-  const openExprViewer = useCallback((expr: any) => {
-    setExprForView(expr);
-    setExprDrawerVisible(true);
-  }, []);
-
-  const closeExprViewer = useCallback(() => {
-    setExprForView(null);
-    setExprDrawerVisible(false);
-  }, []);
-
-  // columns for rule table
-  const columns: ColumnsType<RuleRow> = useMemo(
-    () => [
-      {
-        title: 'Handle',
-        dataIndex: 'handle',
-        key: 'handle',
-        width: 100,
-        render: (val) => val ?? '-',
-      },
-      {
-        title: 'Rule',
-        dataIndex: 'text',
-        key: 'text',
-        render: (txt: string, rec: RuleRow) => (
-          <Paragraph copyable={{ text: txt }} style={{ margin: 0 }}>
-            {txt}
-          </Paragraph>
-        ),
-      },
-      {
-        title: 'Comment',
-        dataIndex: 'comment',
-        key: 'comment',
-        width: 200,
-        render: (c) => (c ? <Text>{c}</Text> : null),
-      },
-      {
-        title: 'Actions',
-        key: 'actions',
-        width: 160,
-        align: 'right',
-        render: (_, rec) => (
-          <Space>
-            <Button type="default" icon={<EyeOutlined />} size="small" onClick={() => openExprViewer(rec.expr)}>
-              View
-            </Button>
-            <Popconfirm title="Delete this rule?" onConfirm={() => onDelete(rec)} okText="Delete" cancelText="Cancel">
-              <Button danger icon={<DeleteOutlined />} size="small">
-                Delete
-              </Button>
-            </Popconfirm>
-          </Space>
-        ),
-      },
-    ],
-    [onDelete, openExprViewer],
-  );
-
-  // flatten rules for each chain into a table datasource
-  const renderChainTable = (table: TableOut, chain: ChainOut) => {
-    const data: RuleRow[] = chain.rules.map((r, idx) => ({
-      key: `${table.family}:${table.name}:${chain.name}:${String(r.handle ?? idx)}`,
-      handle: r.handle ?? null,
-      text: r.text,
-      expr: r.expr,
-      comment: r.comment ?? null,
-      position: r.position,
-      family: table.family,
-      table: table.name,
-      chain: chain.name,
-    }));
-
-    return (
-      <Table columns={columns} dataSource={data} pagination={{ pageSize: 8 }} size="small" rowKey={(rec) => rec.key} />
-    );
+type NFTRule = {
+  handle?: number | string;
+  expr?: any;
+  [k: string]: any;
 };
 
-  // UI when JSON is not available
-  if (!loading && rawFallback) {
+type NFTChain = {
+  name: string;
+  type?: string | null;
+  hook?: string | null;
+  priority?: number | null;
+  policy?: string | null;
+  rules: NFTRule[];
+};
+
+type NFTTable = {
+  family?: string | null;
+  name: string;
+  chains: NFTChain[];
+};
+
+/* -------------------------
+   Extract NFT structure
+------------------------- */
+function extractTablesFromParsed(parsed: any): NFTTable[] {
+  if (!parsed) return [];
+
+  if (Array.isArray(parsed.nftables)) {
+    const tablesMap = new Map<string, NFTTable>();
+    const chainsMap = new Map<string, NFTChain>();
+
+    for (const item of parsed.nftables) {
+      if (item.table) {
+        const t = item.table;
+        const key = `${t.family ?? 'n/a'}:${t.name}`;
+        if (!tablesMap.has(key)) {
+          tablesMap.set(key, { family: t.family ?? null, name: t.name, chains: [] });
+        }
+      } else if (item.chain) {
+        const c = item.chain;
+        const fam = c.family ?? 'n/a';
+        const table = c.table ?? 'n/a';
+        const tableKey = `${fam}:${table}`;
+
+        if (!tablesMap.has(tableKey)) {
+          tablesMap.set(tableKey, { family: c.family ?? null, name: table, chains: [] });
+        }
+
+        const chainKey = `${fam}:${table}:${c.name}`;
+        const chainObj: NFTChain = {
+          name: c.name,
+          type: c.type ?? null,
+          hook: c.hook ?? null,
+          priority: (c.priority as number) ?? null,
+          policy: c.policy ?? null,
+          rules: [],
+        };
+
+        chainsMap.set(chainKey, chainObj);
+        tablesMap.get(tableKey)!.chains.push(chainObj);
+      } else if (item.rule) {
+        const r = item.rule;
+        const fam = r.family ?? r.table?.family ?? 'n/a';
+        const table = r.table ?? r.table?.name ?? r.table_name ?? 'n/a';
+        const chainName = r.chain ?? r.chain?.name ?? 'unknown';
+
+        const tableKey = `${fam}:${table}`;
+        const chainKey = `${fam}:${table}:${chainName}`;
+
+        if (!tablesMap.has(tableKey)) {
+          tablesMap.set(tableKey, { family: fam ?? null, name: table, chains: [] });
+        }
+
+        if (!chainsMap.has(chainKey)) {
+          const newChain: NFTChain = { name: chainName, rules: [] };
+          chainsMap.set(chainKey, newChain);
+          tablesMap.get(tableKey)!.chains.push(newChain);
+        }
+
+        tablesMap
+          .get(tableKey)!
+          .chains.find((c) => c.name === chainName)!
+          .rules.push({ ...r });
+      }
+    }
+
+    return Array.from(tablesMap.values());
+  }
+
+  if (Array.isArray(parsed.tables)) {
+    return parsed.tables.map((t: any) => ({
+      family: t.family ?? null,
+      name: t.name,
+      chains: t.chains ?? [],
+    }));
+  }
+
+  return [];
+}
+
+/* -------------------------
+   Rule preview
+------------------------- */
+function rulePreview(rule: NFTRule): string {
+  if (typeof rule === 'string') return rule;
+  if (rule.expr && typeof rule.expr === 'string') return rule.expr;
+  if (rule.rule && typeof rule.rule === 'string') return rule.rule;
+  if (rule.handle && Object.keys(rule).length === 1) return `handle ${rule.handle}`;
+
+  try {
+    return JSON.stringify(rule, null, 2);
+  } catch {
+    return String(rule);
+  }
+}
+
+/* Helper: determine success by rc
+   Some endpoints return rc === -1 on success in your environment,
+   so treat rc === 0 or rc === -1 as success. */
+function isSuccessRc(out?: ExecResult | null): boolean {
+  if (!out) return false;
+  return out.rc === 0 || out.rc === -1;
+}
+
+/* -------------------------
+   Component
+------------------------- */
+export default function FirewallTables(): ReactElement {
+  const [loading, setLoading] = useState(true);
+  const [refreshing, setRefreshing] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [tables, setTables] = useState<NFTTable[]>([]);
+  const [results, setResults] = useState<CmdResult[]>([]);
+
+  const [isOpenTableCreatorModal, setIsOpenTableCreatorModal] = useState(false);
+  const [isOpenChainCreatorModal, setIsOpenChainCreatorModal] = useState(false);
+
+  async function loadRuleset() {
+    setLoading(true);
+    try {
+      const res = await fetchRuleset();
+      const parsed = extractTablesFromParsed((res as any).ruleset);
+      setTables(parsed);
+      setError(null);
+    } catch (err: any) {
+      setError(err?.message ?? String(err));
+    } finally {
+      setLoading(false);
+    }
+  }
+
+  useEffect(() => {
+    loadRuleset();
+  }, []);
+
+  // helper to run multiple commands sequentially and collect results
+  async function runCommands(cmds: string[]) {
+    const acc: CmdResult[] = [];
+    for (const cmd of cmds) {
+      try {
+        const out = (await execFirewallRaw(cmd)) as ExecResult;
+        if (isSuccessRc(out)) {
+          acc.push({ cmd, out });
+        } else {
+          acc.push({ cmd, out, err: out ? `stderr: ${out.stderr ?? ''} rc: ${out.rc}` : 'Unknown error' });
+        }
+      } catch (err: any) {
+        acc.push({ cmd, err: err?.message ?? String(err) });
+      }
+    }
+    // prepend new results so the latest are visible first
+    setResults((prev) => [...acc, ...prev]);
+    return acc;
+  }
+
+  // delete a single rule
+  async function handleDeleteRule(
+    family: string | null | undefined,
+    table: string,
+    chain: string,
+    handle: number | string,
+  ) {
+    const cmd = `delete rule ${family ?? 'inet'} ${table} ${chain} handle ${handle}`;
+
+    Modal.confirm({
+      title: 'Delete Rule',
+      content: (
+        <>
+          <Paragraph>Are you sure you want to delete this rule?</Paragraph>
+          <pre style={{ whiteSpace: 'pre-wrap' }}>{cmd}</pre>
+        </>
+      ),
+      onOk: async () => {
+        try {
+          const res = await runCommands([cmd]);
+          const first = res[0];
+          if (!first.err) {
+            message.success('Rule deleted');
+          } else {
+            message.error('Delete returned error — check results panel');
+          }
+        } catch (err: any) {
+          message.error('Delete failed: ' + (err?.message ?? String(err)));
+        } finally {
+          await loadRuleset();
+        }
+      },
+    });
+  }
+
+  // delete a chain (non-force)
+  async function handleDeleteChain(family: string | null | undefined, table: string, chain: string) {
+    const cmd = `delete chain ${family ?? 'inet'} ${table} ${chain}`;
+
+    Modal.confirm({
+      title: 'Delete Chain',
+      content: (
+        <>
+          <Paragraph>
+            This will delete the chain <i>{chain}</i> in table <i>{table}</i> unrevertably.
+          </Paragraph>
+          <pre style={{ whiteSpace: 'pre-wrap' }}>{cmd}</pre>
+        </>
+      ),
+      onOk: async () => {
+        try {
+          const res = await runCommands([cmd]);
+          const first = res[0];
+          if (!first.err) {
+            message.success(`Chain ${chain} deleted`);
+          } else {
+            message.error(`Chain deletion returned error — check results panel`);
+          }
+        } catch (err: any) {
+          message.error('Chain deletion failed: ' + (err?.message ?? String(err)));
+        } finally {
+          await loadRuleset();
+        }
+      },
+    });
+  }
+
+  // delete a table (non-force)
+  async function handleDeleteTable(family: string | null | undefined, table: string) {
+    const cmd = `delete table ${family ?? 'inet'} ${table}`;
+
+    Modal.confirm({
+      title: 'Delete Table',
+      content: (
+        <>
+          <Paragraph>
+            This will delete the table <i>{table}</i> including all its chains and rules unrevertably.
+          </Paragraph>
+          <pre style={{ whiteSpace: 'pre-wrap' }}>{cmd}</pre>
+        </>
+      ),
+      onOk: async () => {
+        try {
+          const res = await runCommands([cmd]);
+          const first = res[0];
+          if (!first.err) {
+            message.success(`Table ${table} deleted`);
+          } else {
+            message.error(`Table deletion returned error — check results panel`);
+          }
+        } catch (err: any) {
+          message.error('Table deletion failed: ' + (err?.message ?? String(err)));
+        } finally {
+          await loadRuleset();
+        }
+      },
+    });
+  }
+
+  // Refresh handler
+  async function handleRefresh() {
+    setRefreshing(true);
+    try {
+      await loadRuleset();
+      message.success('Ruleset refreshed');
+    } catch {
+      // loadRuleset sets error state
+    } finally {
+      setRefreshing(false);
+    }
+  }
+
+  if (loading) return <Spin size="large" style={{ display: 'block', margin: '40px auto' }} />;
+
+  if (error) return <Alert type="error" message="Failed to load firewall rules" description={error} />;
+
   return (
-      <Card>
-        <Space direction="vertical" style={{ width: '100%' }}>
-          <Text strong>Ruleset (raw)</Text>
-          <Paragraph style={{ whiteSpace: 'pre-wrap', fontFamily: 'monospace' }}>{rawFallback}</Paragraph>
-          <Button icon={<ReloadOutlined />} onClick={() => fetchRules()}>
+    <>
+      <FirewallAddTableModal open={isOpenTableCreatorModal} onClose={() => setIsOpenTableCreatorModal(false)} />
+      <Card
+        title="Firewall Tables"
+        extra={
+          <Space>
+            <Button onClick={handleRefresh} loading={refreshing}>
               Refresh
             </Button>
+            <Button onClick={() => setIsOpenTableCreatorModal(true)}>Add Table</Button>
           </Space>
-      </Card>
-    );
         }
+      >
+        {tables.length === 0 && (
+          <Alert
+            type="info"
+            title="No firewall tables found"
+            description="You can create a new table using the button above."
+            style={{ marginBottom: 12 }}
+          />
+        )}
+        {tables.map((table) => {
+          const totalRules = table.chains.reduce((acc, c) => acc + c.rules.length, 0);
 
           return (
             <Card
-      title="Firewall rules"
-      extra={
+              key={`${table.family ?? 'any'}:${table.name}`}
+              type="inner"
+              style={{ marginBottom: 16 }}
+              title={
+                <div style={{ display: 'flex', width: '100%', alignItems: 'center', justifyContent: 'space-between' }}>
+                  <div>
+                    <Title level={5} style={{ margin: 0 }}>
+                      Table "{table.name}"
+                    </Title>
+                    <Text type="secondary">
+                      <b>Family:</b> {table.family ?? 'unknown'} &nbsp; <b>Chains:</b> {table.chains.length} &nbsp;{' '}
+                      <b>Total Rules:</b> {totalRules}
+                    </Text>
+                  </div>
+
                   <Space>
-          <Button icon={<ReloadOutlined />} onClick={() => fetchRules()} loading={loading}>
-            Refresh
+                    <Button danger size="small" onClick={() => handleDeleteTable(table.family, table.name)}>
+                      Delete Table
                     </Button>
                   </Space>
+                </div>
+              }
+              extra={<Button onClick={() => setIsOpenChainCreatorModal(true)}>Add Chain</Button>}
+            >
+              <FirewallAddChainModal
+                open={isOpenChainCreatorModal}
+                onClose={() => setIsOpenChainCreatorModal(false)}
+                table={{ family: table.family, name: table.name }}
+              />
+              <Space direction="vertical" style={{ width: '100%' }}>
+                {table.chains.map((chain) => {
+                  const columns: ColumnsType<any> = [
+                    { title: 'Rule #', dataIndex: 'idx', width: 80 },
+                    {
+                      title: 'Handle',
+                      dataIndex: 'handle',
+                      render: (v) => v ?? '-',
+                    },
+                    {
+                      title: 'Rule Content',
+                      dataIndex: 'raw',
+                      render: (v) => <Paragraph copyable>{v}</Paragraph>,
+                    },
+                    {
+                      title: 'Actions',
+                      render: (_: any, rec: any) =>
+                        rec.handle ? (
+                          <Space>
+                            <Button
+                              danger
+                              size="small"
+                              onClick={() => handleDeleteRule(table.family, table.name, chain.name, rec.handle)}
+                            >
+                              Delete Rule
+                            </Button>
+                          </Space>
+                        ) : (
+                          <Space>
+                            <Button size="small" disabled>
+                              Delete Rule
+                            </Button>
+                          </Space>
+                        ),
+                    },
+                  ];
+
+                  const dataSource = chain.rules.map((r, idx) => ({
+                    key: idx,
+                    idx: idx + 1,
+                    handle: r.handle ?? null,
+                    raw: rulePreview(r),
+                  }));
+
+                  return (
+                    <Card
+                      key={`${table.name}:${chain.name}`}
+                      type="inner"
+                      style={{ marginTop: 12 }}
+                      title={
+                        <div
+                          style={{
+                            display: 'flex',
+                            width: '100%',
+                            alignItems: 'center',
+                            justifyContent: 'space-between',
+                          }}
+                        >
+                          <div>
+                            <Text strong>{chain.name}</Text>
+                            <Text type="secondary" style={{ marginLeft: 12 }}>
+                              <b>Hook:</b> {chain.hook ?? '-'} &nbsp; <b>Policy:</b> {chain.policy ?? '-'}
+                            </Text>
+                          </div>
+
+                          <Space>
+                            <Button
+                              size="small"
+                              onClick={() => handleDeleteChain(table.family, table.name, chain.name)}
+                            >
+                              Delete Chain
+                            </Button>
+                          </Space>
+                        </div>
                       }
                     >
-      {loading ? (
-        <div style={{ textAlign: 'center', padding: 40 }}>
-          <Spin size="large" />
-        </div>
-      ) : ruleset && ruleset.tables.length > 0 ? (
-        <Collapse accordion>
-          {ruleset.tables.map((t) => {
-            // only show chains that have rules
-            const chainsWithRules = t.chains.filter((c) => c.rules && c.rules.length > 0);
-            if (chainsWithRules.length === 0) return null;
-            return (
-              <Panel header={`${t.family}:${t.name}`} key={`${t.family}:${t.name}`}>
-                <Collapse>
-                  {chainsWithRules.map((c) => (
-                    <Panel header={`${c.name} — ${c.rules.length} rule(s)`} key={`${t.family}:${t.name}:${c.name}`}>
-                      {renderChainTable(t, c)}
-                    </Panel>
-                  ))}
-                </Collapse>
-              </Panel>
-            );
-          })}
-        </Collapse>
-      ) : (
-        <Empty description="No rules found" />
-      )}
-
-      <Drawer
-        title="Rule expression (JSON)"
-        placement="right"
-        width={640}
-        onClose={closeExprViewer}
-        open={exprDrawerVisible}
-      >
-        <Paragraph>
-          <Text strong>Expression (raw JSON)</Text>
-        </Paragraph>
-        <pre style={{ whiteSpace: 'pre-wrap' }}>{JSON.stringify(exprForView, null, 2)}</pre>
-      </Drawer>
+                      <Table
+                        style={{ marginTop: 12 }}
+                        size="small"
+                        columns={columns}
+                        dataSource={dataSource}
+                        pagination={false}
+                      />
                     </Card>
                   );
-};
-
-export default RulesView;
+                })}
+              </Space>
+            </Card>
+          );
+        })}
+      </Card>
+    </>
+  );
+}

frontend/src/types/firewall.ts

@@ -40,3 +40,14 @@ export interface ExecResult {
   stdout?: string | null;
   stderr?: string | null;
 }
+
+export interface CmdResult {
+  cmd: string;
+  out?: ExecResult;
+  err?: string;
+};
+
+export interface TableProp {
+  family: string;
+  name: string;
+};