1 -- Copyright 2008 Steven Barth <steven@midlink.org>
2 -- Licensed to the public under the Apache License 2.0.
4 local ipc = require "luci.ip"
6 m = Map("dhcp", translate("DHCP and DNS"),
7 translate("Dnsmasq is a combined <abbr title=\"Dynamic Host Configuration Protocol" ..
8 "\">DHCP</abbr>-Server and <abbr title=\"Domain Name System\">DNS</abbr>-" ..
9 "Forwarder for <abbr title=\"Network Address Translation\">NAT</abbr> " ..
12 s = m:section(TypedSection, "dnsmasq", translate("Server Settings"))
16 s:tab("general", translate("General Settings"))
17 s:tab("files", translate("Resolv and Hosts Files"))
18 s:tab("tftp", translate("TFTP Settings"))
19 s:tab("advanced", translate("Advanced Settings"))
21 s:taboption("general", Flag, "domainneeded",
22 translate("Domain required"),
23 translate("Don't forward <abbr title=\"Domain Name System\">DNS</abbr>-Requests without " ..
24 "<abbr title=\"Domain Name System\">DNS</abbr>-Name"))
26 s:taboption("general", Flag, "authoritative",
27 translate("Authoritative"),
28 translate("This is the only <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</" ..
29 "abbr> in the local network"))
32 s:taboption("files", Flag, "readethers",
33 translate("Use <code>/etc/ethers</code>"),
34 translate("Read <code>/etc/ethers</code> to configure the <abbr title=\"Dynamic Host " ..
35 "Configuration Protocol\">DHCP</abbr>-Server"))
37 s:taboption("files", Value, "leasefile",
38 translate("Leasefile"),
39 translate("file where given <abbr title=\"Dynamic Host Configuration Protocol\">DHCP</" ..
40 "abbr>-leases will be stored"))
42 s:taboption("files", Flag, "noresolv",
43 translate("Ignore resolve file")).optional = true
45 rf = s:taboption("files", Value, "resolvfile",
46 translate("Resolve file"),
47 translate("local <abbr title=\"Domain Name System\">DNS</abbr> file"))
49 rf:depends("noresolv", "")
53 s:taboption("files", Flag, "nohosts",
54 translate("Ignore Hosts files")).optional = true
56 hf = s:taboption("files", DynamicList, "addnhosts",
57 translate("Additional Hosts files"))
59 hf:depends("nohosts", "")
63 s:taboption("advanced", Flag, "boguspriv",
64 translate("Filter private"),
65 translate("Do not forward reverse lookups for local networks"))
67 s:taboption("advanced", Flag, "filterwin2k",
68 translate("Filter useless"),
69 translate("Do not forward requests that cannot be answered by public name servers"))
72 s:taboption("advanced", Flag, "localise_queries",
73 translate("Localise queries"),
74 translate("Localise hostname depending on the requesting subnet if multiple IPs are available"))
76 s:taboption("general", Value, "local",
77 translate("Local server"),
78 translate("Local domain specification. Names matching this domain are never forwarded and are resolved from DHCP or hosts files only"))
80 s:taboption("general", Value, "domain",
81 translate("Local domain"),
82 translate("Local domain suffix appended to DHCP names and hosts file entries"))
84 s:taboption("advanced", Flag, "expandhosts",
85 translate("Expand hosts"),
86 translate("Add local domain suffix to names served from hosts files"))
88 s:taboption("advanced", Flag, "nonegcache",
89 translate("No negative cache"),
90 translate("Do not cache negative replies, e.g. for not existing domains"))
92 s:taboption("advanced", Value, "serversfile",
93 translate("Additional servers file"),
94 translate("This file may contain lines like 'server=/domain/1.2.3.4' or 'server=1.2.3.4' for"..
95 "domain-specific or full upstream <abbr title=\"Domain Name System\">DNS</abbr> servers."))
97 s:taboption("advanced", Flag, "strictorder",
98 translate("Strict order"),
99 translate("<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the " ..
100 "order of the resolvfile")).optional = true
103 bn = s:taboption("advanced", DynamicList, "bogusnxdomain", translate("Bogus NX Domain Override"),
104 translate("List of hosts that supply bogus NX domain results"))
107 bn.placeholder = "67.215.65.132"
110 s:taboption("general", Flag, "logqueries",
111 translate("Log queries"),
112 translate("Write received DNS requests to syslog")).optional = true
114 df = s:taboption("general", DynamicList, "server", translate("DNS forwardings"),
115 translate("List of <abbr title=\"Domain Name System\">DNS</abbr> " ..
116 "servers to forward requests to"))
119 df.placeholder = "/example.org/10.1.2.3"
122 rp = s:taboption("general", Flag, "rebind_protection",
123 translate("Rebind protection"),
124 translate("Discard upstream RFC1918 responses"))
129 rl = s:taboption("general", Flag, "rebind_localhost",
130 translate("Allow localhost"),
131 translate("Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"))
133 rl:depends("rebind_protection", "1")
136 rd = s:taboption("general", DynamicList, "rebind_domain",
137 translate("Domain whitelist"),
138 translate("List of domains to allow RFC1918 responses for"))
140 rd:depends("rebind_protection", "1")
142 rd.placeholder = "ihost.netflix.com"
145 pt = s:taboption("advanced", Value, "port",
146 translate("<abbr title=\"Domain Name System\">DNS</abbr> server port"),
147 translate("Listening port for inbound DNS queries"))
154 qp = s:taboption("advanced", Value, "queryport",
155 translate("<abbr title=\"Domain Name System\">DNS</abbr> query port"),
156 translate("Fixed source port for outbound DNS queries"))
160 qp.placeholder = translate("any")
163 lm = s:taboption("advanced", Value, "dhcpleasemax",
164 translate("<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration " ..
165 "Protocol\">DHCP</abbr> leases"),
166 translate("Maximum allowed number of active DHCP leases"))
169 lm.datatype = "uinteger"
170 lm.placeholder = translate("unlimited")
173 em = s:taboption("advanced", Value, "ednspacket_max",
174 translate("<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for " ..
175 "Domain Name System\">EDNS0</abbr> packet size"),
176 translate("Maximum allowed size of EDNS.0 UDP packets"))
179 em.datatype = "uinteger"
180 em.placeholder = 1280
183 cq = s:taboption("advanced", Value, "dnsforwardmax",
184 translate("<abbr title=\"maximal\">Max.</abbr> concurrent queries"),
185 translate("Maximum allowed number of concurrent DNS queries"))
188 cq.datatype = "uinteger"
192 s:taboption("tftp", Flag, "enable_tftp",
193 translate("Enable TFTP server")).optional = true
195 tr = s:taboption("tftp", Value, "tftp_root",
196 translate("TFTP server root"),
197 translate("Root directory for files served via TFTP"))
200 tr:depends("enable_tftp", "1")
204 db = s:taboption("tftp", Value, "dhcp_boot",
205 translate("Network boot image"),
206 translate("Filename of the boot image advertised to clients"))
209 db:depends("enable_tftp", "1")
210 db.placeholder = "pxelinux.0"
213 m:section(SimpleSection).template = "admin_network/lease_status"
215 s = m:section(TypedSection, "host", translate("Static Leases"),
216 translate("Static leases are used to assign fixed IP addresses and symbolic hostnames to " ..
217 "DHCP clients. They are also required for non-dynamic interface configurations where " ..
218 "only hosts with a corresponding lease are served.") .. "<br />" ..
219 translate("Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</em> " ..
220 "indentifies the host, the <em>IPv4-Address</em> specifies to the fixed address to " ..
221 "use and the <em>Hostname</em> is assigned as symbolic name to the requesting host."))
225 s.template = "cbi/tblsection"
227 name = s:option(Value, "name", translate("Hostname"))
228 name.datatype = "hostname"
231 mac = s:option(Value, "mac", translate("<abbr title=\"Media Access Control\">MAC</abbr>-Address"))
232 mac.datatype = "list(macaddr)"
235 ip = s:option(Value, "ip", translate("<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"))
236 ip.datatype = "or(ip4addr,'ignore')"
238 hostid = s:option(Value, "hostid", translate("<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"))
240 ipc.neighbors({ family = 4 }, function(n)
241 if n.mac and n.dest then
242 ip:value(n.dest:string())
243 mac:value(n.mac, "%s (%s)" %{ n.mac, n.dest:string() })
247 function ip.validate(self, value, section)
248 local m = mac:formvalue(section) or ""
249 local n = name:formvalue(section) or ""
250 if value and #n == 0 and #m == 0 then
251 return nil, translate("One of hostname or mac address must be specified!")
253 return Value.validate(self, value, section)