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  138. <h1>Object Instance <code>luci.sys.iptparser</code></h1>
  139. <p></p>
  140. <h2>Functions</h2>
  141. <table class="function_list">
  142. <tr>
  143. <td class="name" nowrap><a href="#IptParser">IptParser</a>&nbsp;(family)</td>
  144. <td class="summary">
  145. Create a new iptables parser object.</td>
  146. </tr>
  147. <tr>
  148. <td class="name" nowrap><a href="#IptParser.chain">IptParser:chain</a>&nbsp;(table, chain)</td>
  149. <td class="summary">
  150. Return the given firewall chain within the given table name.</td>
  151. </tr>
  152. <tr>
  153. <td class="name" nowrap><a href="#IptParser.chains">IptParser:chains</a>&nbsp;(table)</td>
  154. <td class="summary">
  155. Find the names of all chains within the given table name.</td>
  156. </tr>
  157. <tr>
  158. <td class="name" nowrap><a href="#IptParser.is_custom_target">IptParser:is_custom_target</a>&nbsp;(target)</td>
  159. <td class="summary">
  160. Test whether the given target points to a custom chain.</td>
  161. </tr>
  162. <tr>
  163. <td class="name" nowrap><a href="#IptParser.resync">IptParser:resync</a>&nbsp;()</td>
  164. <td class="summary">
  165. Rebuild the internal lookup table, for example when rules have changed
  166. through external commands.</td>
  167. </tr>
  168. <tr>
  169. <td class="name" nowrap><a href="#IptParser.tables">IptParser:tables</a>&nbsp;()</td>
  170. <td class="summary">
  171. Find the names of all tables.</td>
  172. </tr>
  173. </table>
  174. <br/>
  175. <br/>
  176. <h2><a name="functions"></a>Functions</h2>
  177. <dl class="function">
  178. <dt><a name="IptParser"></a><strong>IptParser</strong>&nbsp;(family)</dt>
  179. <dd>
  180. Create a new iptables parser object.
  181. <h3>Parameters</h3>
  182. <ul>
  183. <li>
  184. family: Number specifying the address family. 4 for IPv4, 6 for IPv6
  185. </li>
  186. </ul>
  187. <h3>Return value:</h3>
  188. IptParser instance
  189. </dd>
  190. <dt><a name="IptParser.chain"></a><strong>IptParser:chain</strong>&nbsp;(table, chain)</dt>
  191. <dd>
  192. Return the given firewall chain within the given table name.
  193. <h3>Parameters</h3>
  194. <ul>
  195. <li>
  196. table: String containing the table name
  197. </li>
  198. <li>
  199. chain: String containing the chain name
  200. </li>
  201. </ul>
  202. <h3>Return value:</h3>
  203. Table containing the fields "policy", "packets", "bytes"
  204. and "rules". The "rules" field is a table of rule tables.
  205. </dd>
  206. <dt><a name="IptParser.chains"></a><strong>IptParser:chains</strong>&nbsp;(table)</dt>
  207. <dd>
  208. Find the names of all chains within the given table name.
  209. <h3>Parameters</h3>
  210. <ul>
  211. <li>
  212. table: String containing the table name
  213. </li>
  214. </ul>
  215. <h3>Return value:</h3>
  216. Table of chain names in the order they occur.
  217. </dd>
  218. <dt><a name="IptParser.is_custom_target"></a><strong>IptParser:is_custom_target</strong>&nbsp;(target)</dt>
  219. <dd>
  220. Test whether the given target points to a custom chain.
  221. <h3>Parameters</h3>
  222. <ul>
  223. <li>
  224. target: String containing the target action
  225. </li>
  226. </ul>
  227. <h3>Return value:</h3>
  228. Boolean indicating whether target is a custom chain.
  229. </dd>
  230. <dt><a name="IptParser.resync"></a><strong>IptParser:resync</strong>&nbsp;()</dt>
  231. <dd>
  232. Rebuild the internal lookup table, for example when rules have changed
  233. through external commands.
  234. <h3>Return value:</h3>
  235. nothing
  236. </dd>
  237. <dt><a name="IptParser.tables"></a><strong>IptParser:tables</strong>&nbsp;()</dt>
  238. <dd>
  239. Find the names of all tables.
  240. <h3>Return value:</h3>
  241. Table of table names.
  242. </dd>
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