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diff --git a/doc/modules/luci.ip.html b/doc/modules/luci.ip.html new file mode 100644 index 000000000..8a78da204 --- /dev/null +++ b/doc/modules/luci.ip.html @@ -0,0 +1,902 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html> +<head> + <title>Reference</title> + <link rel="stylesheet" href="../luadoc.css" type="text/css" /> + <!--meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/--> +</head> + +<body> +<div id="container"> + +<div id="product"> + <div id="product_logo"></div> + <div id="product_name"><big><b></b></big></div> + <div id="product_description"></div> +</div> <!-- id="product" --> + +<div id="main"> + +<div id="navigation"> + + +<h1>LuaDoc</h1> +<ul> + + <li><a href="../index.html">Index</a></li> + +</ul> + + +<!-- Module list --> + +<h1>Modules</h1> +<ul> + + <li> + <a href="../modules/luci.dispatcher.html">luci.dispatcher</a> + </li> + + <li> + <a 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href="../modules/nixio.bit.html">nixio.bit</a> + </li> + + <li> + <a href="../modules/nixio.crypto.html">nixio.crypto</a> + </li> + + <li> + <a href="../modules/nixio.fs.html">nixio.fs</a> + </li> + +</ul> + + + +<!-- File list --> + + + + + + + +</div><!-- id="navigation" --> + +<div id="content"> + +<h1>Class <code>luci.ip</code></h1> + +<p> + LuCI IP calculation and netlink access library.</p> + + + + + + + +<h2>Functions</h2> +<table class="function_list"> + + <tr> + <td class="name" nowrap><a href="#new">new</a> (address, netmask)</td> + <td class="summary"> + +Construct a new luci.ip.cidr instance and autodetect the address family.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#IPv4">IPv4</a> (address, netmask)</td> + <td class="summary"> + +Construct a new IPv4 luci.ip.cidr instance.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#IPv6">IPv6</a> (address, netmask)</td> + <td class="summary"> + +Construct a new IPv6 luci.ip.cidr instance.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#route">route</a> (address)</td> + <td class="summary"> + +Determine the route leading to the given destination.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#routes">routes</a> (filter, callback)</td> + <td class="summary"> + +Fetch all routes, optionally matching the given criteria.</td> + </tr> + + <tr> + <td class="name" nowrap><a href="#neighbors">neighbors</a> (filter, callback)</td> + <td class="summary"> + +Fetches entries from the IPv4 ARP and IPv6 neighbour kernel table </td> + </tr> + + <tr> + <td class="name" nowrap><a href="#link">link</a> (device)</td> + <td class="summary"> + +Fetch basic device information </td> + </tr> + +</table> + + + + + + +<br/> +<br/> + + +<h2><a name="functions"></a>Functions</h2> +<dl class="function"> + + + +<dt><a name="new"></a><strong>new</strong> (address, netmask)</dt> +<dd> + + +Construct a new luci.ip.cidr instance and autodetect the address family. +Throws an error if the given strings do not represent a valid address or +if the given optional netmask is of a different family. + + +<h3>Parameters</h3> +<ul> + + <li> + address: String containing a valid IPv4 or IPv6 address, optionally +with prefix size (CIDR notation) or netmask separated by slash. + </li> + + <li> + netmask: String containing a valid IPv4 or IPv6 netmask or number +containing a prefix size in bits (<code>0..32</code> for IPv4, +<code>0..128</code> for IPv6). Overrides mask embedded in the first argument +if specified. (optional) + </li> + +</ul> + + + + +<h3>Usage:</h3> +<pre>addr = luci.ip.new("10.24.0.1/24") +addr = luci.ip.new("10.24.0.1/255.255.255.0") +addr = luci.ip.new("10.24.0.1", "255.255.255.0") -- separate netmask +addr = luci.ip.new("10.24.0.1/24", 16) -- override netmask + +addr6 = luci.ip.new("fe80::221:63ff:fe75:aa17/64") +addr6 = luci.ip.new("fe80::221:63ff:fe75:aa17/ffff:ffff:ffff:ffff::") +addr6 = luci.ip.new("fe80::221:63ff:fe75:aa17", "ffff:ffff:ffff:ffff::") +addr6 = luci.ip.new("fe80::221:63ff:fe75:aa17/64", 128) -- override netmask</pre> + + + +<h3>Return value:</h3> +A <code>luci.ip.cidr</code> object representing the given +address/mask range. + + + +<h3>See also:</h3> +<ul> + + <li><a href="#IPv4"> + IPv4 + </a> + + <li><a href="#IPv6"> + IPv6 + </a> + +</ul> + +</dd> + + + + +<dt><a name="IPv4"></a><strong>IPv4</strong> (address, netmask)</dt> +<dd> + + +Construct a new IPv4 luci.ip.cidr instance. +Throws an error if the given string does not represent a valid IPv4 address or +if the given optional netmask is of a different family. + + +<h3>Parameters</h3> +<ul> + + <li> + address: String containing a valid IPv4, optionally with prefix size +(CIDR notation) or netmask separated by slash. + </li> + + <li> + netmask: String containing a valid IPv4 netmask or number +containing a prefix size between <code>0</code> and <code>32</code> bit. +Overrides mask embedded in the first argument if specified. (optional) + </li> + +</ul> + + + + +<h3>Usage:</h3> +<pre>addr = luci.ip.new("10.24.0.1/24") +addr = luci.ip.new("10.24.0.1/255.255.255.0") +addr = luci.ip.new("10.24.0.1", "255.255.255.0") -- separate netmask +addr = luci.ip.new("10.24.0.1/24", 16) -- override netmask</pre> + + + +<h3>Return value:</h3> +A <code>luci.ip.cidr</code> object representing the given IPv4 range. + + + +<h3>See also:</h3> +<ul> + + <li><a href="#IPv6"> + IPv6 + </a> + +</ul> + +</dd> + + + + +<dt><a name="IPv6"></a><strong>IPv6</strong> (address, netmask)</dt> +<dd> + + +Construct a new IPv6 luci.ip.cidr instance. +Throws an error if the given string does not represent a valid IPv6 address or +if the given optional netmask is of a different family. + + +<h3>Parameters</h3> +<ul> + + <li> + address: String containing a valid IPv6, optionally with prefix size +(CIDR notation) or netmask separated by slash. + </li> + + <li> + netmask: String containing a valid IPv4 netmask or number +containing a prefix size between <code>0</code> and <code>128</code> bit. +Overrides mask embedded in the first argument if specified. (optional) + </li> + +</ul> + + + + +<h3>Usage:</h3> +<pre>addr6 = luci.ip.new("fe80::221:63ff:fe75:aa17/64") +addr6 = luci.ip.new("fe80::221:63ff:fe75:aa17/ffff:ffff:ffff:ffff::") +addr6 = luci.ip.new("fe80::221:63ff:fe75:aa17", "ffff:ffff:ffff:ffff::") +addr6 = luci.ip.new("fe80::221:63ff:fe75:aa17/64", 128) -- override netmask</pre> + + + +<h3>Return value:</h3> +A <code>luci.ip.cidr</code> object representing the given IPv6 range. + + + +<h3>See also:</h3> +<ul> + + <li><a href="#IPv4"> + IPv4 + </a> + +</ul> + +</dd> + + + + +<dt><a name="route"></a><strong>route</strong> (address)</dt> +<dd> + + +Determine the route leading to the given destination. + + +<h3>Parameters</h3> +<ul> + + <li> + address: A <code>luci.ip.cidr</code> instance or a string containing +a valid IPv4 or IPv6 range as specified by <code>luci.ip.new()</code>. + </li> + +</ul> + + + + +<h3>Usage:</h3> +<ul> +<li>Find default gateway by getting route to Google's public NS server +<pre>rt = luci.ip.route("8.8.8.8") +if rt ~= nil then + print("gateway is", rt.gw) +end</pre></li> +<li>Determine IPv6 upstream interface <pre>rt = luci.ip.route("2001::/7") +if rt ~= nil then + print("ipv6 upstream device is", rt.dev) +end</pre></li> +</ul> + + + +<h3>Return value:</h3> +<p>Table containing the fields described below.</p> +<table id="routetable"> +<tr><th>Field</th><th>Description</th></tr> +<tr><td><code>type</code><td> + <p>Route type with one of the following numeric values:</p> + <table> + <tr> + <td><code>1</code></td> + <td><code>RTN_UNICAST</code> - Gateway or direct route</td> + </tr> + <tr> + <td><code>2</code></td> + <td><code>RTN_LOCAL</code> - Accept locally</td> + </tr> + <tr> + <td><code>3</code></td> + <td><code>RTN_BROADCAST</code> - + Accept locally as broadcast send as broadcast</td> + </tr> + <tr> + <td><code>4</code></td> + <td><code>RTN_ANYCAST</code> - + Accept locally as broadcast but send as unicast</td> + </tr> + <tr> + <td><code>5</code></td> + <td><code>RTN_MULTICAST</code> - Multicast route</td> + </tr> + </table> +</td></tr> +<tr> + <td><code>family</code></td> + <td>Number containing the route family, <code>4</code> for IPv4 or + <code>6</code> for IPv6</td> +</tr> +<tr> + <td><code>dest</code></td> + <td>Destination <code>luci.ip.cidr</code> instance</td> +</tr> +<tr> + <td><code>gw</code></td> + <td>Gateway <code>luci.ip.cidr</code> instance (optional)</td> +</tr> +<tr> + <td><code>from</code></td> + <td>Source address <code>luci.ip.cidr</code> instance (optional)</td> +</tr> +<tr> + <td><code>src</code></td> + <td>Preferred source <code>luci.ip.cidr</code> instance (optional)</td> +</tr> +<tr> + <td><code>dev</code></td> + <td>String containing the name of the outgoing interface</td> +</tr> +<tr> + <td><code>iif</code></td> + <td>String containing the name of the incoming interface (optional)</td> +</tr> +<tr> + <td><code>table</code></td> + <td>Number of the associated routing table (<code>0..65535</code>)</td> +</tr> +<tr> + <td><code>proto</code></td> + <td>Number of the associated routing protocol</td> +</tr> +<tr> + <td><code>scope</code></td> + <td>Number describing the scope of the route, most commonly + <code>0</code> for global or <code>253</code> for on-link</td> +</tr> +<tr> + <td><code>metric</code></td> + <td>Number describing the route metric (optional)</td> +</tr> +<tr> + <td><code>expires</code></td> + <td>Number of seconds the prefix is valid (IPv6 only, optional)</td> +</tr> +<tr> + <td><code>error</code></td> + <td>Route destination error code (optional)</td> +</tr> +</table> + + + +<h3>See also:</h3> +<ul> + + <li><a href="#routes"> + routes + </a> + +</ul> + +</dd> + + + + +<dt><a name="routes"></a><strong>routes</strong> (filter, callback)</dt> +<dd> + + +Fetch all routes, optionally matching the given criteria. + + +<h3>Parameters</h3> +<ul> + + <li> + filter: <p>Table containing one or more of the possible filter +critera described below (optional)</p><table> +<tr><th>Field</th><th>Description</th></tr> +<tr><td><code>family</code></td><td> + Number describing the address family to return - <code>4</code> selects + IPv4 routes, <code>6</code> IPv6 ones. Any other value selects both. +</td></tr> +<tr><td><code>iif</code></td><td> + String containing the incoming route interface to match. +</td></tr> +<tr><td><code>oif</code></td><td> + String containing the outgoing route interface to match. +</td></tr> +<tr><td><code>type</code></td><td> + Numeric type to match, e.g. <code>1</code> for unicast. +</td></tr> +<tr><td><code>scope</code></td><td> + Numeric scope to match, e.g. <code>253</code> for onlink. +</td></tr> +<tr><td><code>proto</code></td><td> + Numeric protocol to match, e.g. <code>2</code> for boot. +</td></tr> +<tr><td><code>table</code></td><td> + Numeric routing table to match (<code>0..65535</code>). +</td></tr> +<tr><td><code>gw</code></td><td> + String containing the gateway address to match. Can be in any notation + specified by <code>luci.ip.new()</code>. Prefix matching is performed when + comparing the routes, e.g. "192.168.1.0/24" would select routes with gateway + addresses <code>192.168.1.1 .. 192.168.1.255</code>. +</td></tr> +<tr><td><code>dest</code></td><td> + String containing the destination to match. Prefix matching is performed. +</td></tr> +<tr><td><code>from</code></td><td> + String containing the source address to match. Prefix matching is performed. +</td></tr> +<tr><td><code>src</code></td><td> + String containing the preferred source address to match. + Prefix matching is performed. +</td></tr> +<tr><td><code>dest_exact</code></td><td> + String containing the destination to match. Exact matching is performed, + e.g. <code>dest = "0.0.0.0/0"</code> would match <em>any</em> IPv4 route + while <code>dest_exact = "0.0.0.0/0"</code> will <em>only</em> match the + default route. +</td></tr> +<tr><td><code>from_exact</code></td><td> + String containing the source address to match. Exact matching is performed. +</td></tr> +</table> + </li> + + <li> + callback: <p>Callback function to invoke for each found route +instead of returning one table of route objects (optional)</p> + </li> + +</ul> + + + + +<h3>Usage:</h3> +<ul> +<li>Find all IPv4 default routes: +<pre>luci.ip.routes({ dest_exact = "0.0.0.0/0" }, function(rt) + print(rt.type, rt.gw, rt.dev) +end)</pre></li> +<li>Find all global IPv6 prefixes on the current system: +<pre>luci.ip.routes({ from = "2001::/7" }, function(rt) + print(rt.from) +end)</pre></li> +<li>Fetch all IPv4 routes: +<pre>routes = luci.ip.routes({ family = 4 }) +for _, rt in ipairs(routes) do + print(rt.dest, rt.gw, rt.dev) +end</pre></li> +</ul> + + + +<h3>Return value:</h3> +If no callback function is provided, a table of routes +<a href="#routetable">as specified by <code>luci.ip.route()</code></a> +is returned. If a callback function is given, it is invoked for each route +and nothing is returned. + + + +<h3>See also:</h3> +<ul> + + <li><a href="#route"> + route + </a> + +</ul> + +</dd> + + + + +<dt><a name="neighbors"></a><strong>neighbors</strong> (filter, callback)</dt> +<dd> + + +Fetches entries from the IPv4 ARP and IPv6 neighbour kernel table + + +<h3>Parameters</h3> +<ul> + + <li> + filter: <p>Table containing one or more of the possible filter +critera described below (optional)</p><table> +<tr><th>Field</th><th>Description</th></tr> +<tr><td><code>family</code></td><td> + Number describing the address family to return - <code>4</code> selects + IPv4 ARP, <code>6</code> select IPv6 neighbour entries. Any other value + selects both. +</td></tr> +<tr><td><code>dev</code></td><td> + String containing the associated interface to match. +</td></tr> +<tr><td><code>dest</code></td><td> + String containing the associated address to match. Can be in any notation + specified by <code>luci.ip.new()</code>. Prefix matching is performed when + comparing the addresses, e.g. "192.168.1.0/24" would select ARP entries + for <code>192.168.1.1 .. 192.168.1.255</code>. +</td></tr> +<tr><td><code>mac</code></td><td> + String containing MAC address to match. +</td></tr> +</table> + </li> + + <li> + callback: <p>Callback function to invoke for each found neighbour +entry instead of returning one table of neighbour entries (optional)</p> + </li> + +</ul> + + + + +<h3>Usage:</h3> +<ul> +<li>Find all ARP neighbours in the LAN: +<pre>luci.ip.neighbors({ dest = "192.168.0.0/16" }, function(n) + print(n.dest, n.mac) +end)</pre></li> +<li>Find all active IPv6 addresses of host with given MAC: +<pre>luci.ip.neighbors({ family = 6, mac = "00:21:63:75:aa:17" }, + function(n) + print(n.dest) + end)</pre></li> +</ul> + + + +<h3>Return value:</h3> +If no callback function is provided, a table of neighbour entries +is returned. If a callback function is given, it is invoked for each entry +and nothing is returned. + +A neighbour entry is a table containing the following fields: + +<table> +<tr><th>Field</th><th>Description</th></tr> +<tr> + <td><code>family</code></td> + <td>Number containing the neighbour entry family, <code>4</code> for IPv4 + ARP or <code>6</code> for IPv6 NDP</td> +</tr> +<tr> + <td><code>dev</code></td> + <td>String containing the associated device of the neighbour entry</td> +</tr> +<tr> + <td><code>dest</code></td> + <td>IP address <code>luci.ip.cidr</code> instance</td> +</tr> +<tr> + <td><code>mac</code></td> + <td>String containing the associated MAC address</td> +</tr> +<tr> + <td><code>router</code></td> + <td>Boolean "true" if the neighbour entry is a router (IPv6, optional)</td> +</tr> +<tr> + <td><code>proxy</code></td> + <td>Boolean "true" if this is a proxy entry (optional)</td> +</tr> +<tr> + <td><code>incomplete</code></td> + <td>Boolean "true" if the entry is in incomplete state (optional)</td> +</tr> +<tr> + <td><code>reachable</code></td> + <td>Boolean "true" if the entry is in reachable state (optional)</td> +</tr> +<tr> + <td><code>stale</code></td> + <td>Boolean "true" if the entry is stale (optional)</td> +</tr> +<tr> + <td><code>delay</code></td> + <td>Boolean "true" if the entry is delayed (optional)</td> +</tr> +<tr> + <td><code>probe</code></td> + <td>Boolean "true" if the entry is in probe state (optional)</td> +</tr> +<tr> + <td><code>failed</code></td> + <td>Boolean "true" if the entry is in failed state (optional)</td> +</tr> +<tr> + <td><code>noarp</code></td> + <td>Boolean "true" if the entry is not caused by NDP or + ARP (optional)</td> +</tr> +<tr> + <td><code>permanent</code></td> + <td>Boolean "true" if the entry was statically configured from + userspace (optional)</td> +</tr> +</table> + + + +</dd> + + + + +<dt><a name="link"></a><strong>link</strong> (device)</dt> +<dd> + + +Fetch basic device information + + +<h3>Parameters</h3> +<ul> + + <li> + device: String containing the network device to query + </li> + +</ul> + + + + +<h3>Usage:</h3> +<ul> +<li>Test whether device br-lan exists: +<pre>print(luci.ip.link("br-lan").name ~= nil) +</pre></li> +<li>Query MAC address of eth0: +<pre>print(luci.ip.link("eth0").mac) +</pre></li> +</ul> + + + +<h3>Return value:</h3> +If the given interface is found, a table containing the fields +described below is returned, else an empty table. + +<table> +<tr><th>Field</th><th>Description</th></tr> +<tr> + <td><code>up</code></td> + <td>Boolean indicating whether the device is in IFF_RUNNING state</td> +</tr> +<tr> + <td><code>type</code></td> + <td>Numeric value indicating the type of the device, e.g. <code>1</code> + for ethernet.</td> +</tr> +<tr> + <td><code>name</code></td> + <td>String containing the name of the device</td> +</tr> +<tr> + <td><code>master</code></td> + <td>If queried device is a bridge port, string containing the name of + parent bridge device (optional)</td> +</tr> +<tr> + <td><code>mtu</code></td> + <td>Number containing the current MTU of the device</td> +</tr> +<tr> + <td><code>qlen</code></td> + <td>Number containing the TX queue length of the device</td> +</tr> +<tr> + <td><code>mac</code></td> + <td>String containing the link local address of the device in + dotted hex notation</td> +</tr> +</table> + + + +</dd> + + +</dl> + + + + + +</div> <!-- id="content" --> + +</div> <!-- id="main" --> + +<div id="about"> + <p><a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid-xhtml10" alt="Valid XHTML 1.0!" height="31" width="88" /></a></p> +</div> <!-- id="about" --> + +</div> <!-- id="container" --> +</body> +</html> |