modules/luci-mod-admin-full/luasrc/model/cbi/admin_network/dhcp.lua

   1 -- Copyright 2008 Steven Barth <steven@midlink.org>
   2 -- Licensed to the public under the Apache License 2.0.
   3
   4 local ipc = require "luci.ip"
   5
   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> " ..
  10                 "firewalls"))
  11
  12 s = m:section(TypedSection, "dnsmasq", translate("Server Settings"))
  13 s.anonymous = true
  14 s.addremove = false
  15
  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"))
  20
  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"))
  25
  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"))
  30
  31
  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"))
  36
  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"))
  41
  42 s:taboption("files", Flag, "noresolv",
  43         translate("Ignore resolve file")).optional = true
  44
  45 rf = s:taboption("files", Value, "resolvfile",
  46         translate("Resolve file"),
  47         translate("local <abbr title=\"Domain Name System\">DNS</abbr> file"))
  48
  49 rf:depends("noresolv", "")
  50 rf.optional = true
  51
  52
  53 s:taboption("files", Flag, "nohosts",
  54         translate("Ignore <code>/etc/hosts</code>")).optional = true
  55
  56 s:taboption("files", DynamicList, "addnhosts",
  57         translate("Additional Hosts files")).optional = true
  58
  59 qu = s:taboption("advanced", Flag, "quietdhcp",
  60         translate("Suppress logging"),
  61         translate("Suppress logging of the routine operation of these protocols"))
  62 qu.optional = true
  63
  64 se = s:taboption("advanced", Flag, "sequential_ip",
  65         translate("Allocate IP sequentially"),
  66         translate("Allocate IP addresses sequentially, starting from the lowest available address"))
  67 se.optional = true
  68
  69 s:taboption("advanced", Flag, "boguspriv",
  70         translate("Filter private"),
  71         translate("Do not forward reverse lookups for local networks"))
  72
  73 s:taboption("advanced", Flag, "filterwin2k",
  74         translate("Filter useless"),
  75         translate("Do not forward requests that cannot be answered by public name servers"))
  76
  77
  78 s:taboption("advanced", Flag, "localise_queries",
  79         translate("Localise queries"),
  80         translate("Localise hostname depending on the requesting subnet if multiple IPs are available"))
  81
  82 s:taboption("general", Value, "local",
  83         translate("Local server"),
  84         translate("Local domain specification. Names matching this domain are never forwarded and are resolved from DHCP or hosts files only"))
  85
  86 s:taboption("general", Value, "domain",
  87         translate("Local domain"),
  88         translate("Local domain suffix appended to DHCP names and hosts file entries"))
  89
  90 s:taboption("advanced", Flag, "expandhosts",
  91         translate("Expand hosts"),
  92         translate("Add local domain suffix to names served from hosts files"))
  93
  94 s:taboption("advanced", Flag, "nonegcache",
  95         translate("No negative cache"),
  96         translate("Do not cache negative replies, e.g. for not existing domains"))
  97
  98 s:taboption("advanced", Flag, "strictorder",
  99         translate("Strict order"),
 100         translate("<abbr title=\"Domain Name System\">DNS</abbr> servers will be queried in the " ..
 101                 "order of the resolvfile")).optional = true
 102
 103
 104 bn = s:taboption("advanced", DynamicList, "bogusnxdomain", translate("Bogus NX Domain Override"),
 105         translate("List of hosts that supply bogus NX domain results"))
 106
 107 bn.optional = true
 108 bn.placeholder = "67.215.65.132"
 109
 110
 111 s:taboption("general", Flag, "logqueries",
 112         translate("Log queries"),
 113         translate("Write received DNS requests to syslog")).optional = true
 114
 115 df = s:taboption("general", DynamicList, "server", translate("DNS forwardings"),
 116         translate("List of <abbr title=\"Domain Name System\">DNS</abbr> " ..
 117                         "servers to forward requests to"))
 118
 119 df.optional = true
 120 df.placeholder = "/example.org/10.1.2.3"
 121
 122
 123 rp = s:taboption("general", Flag, "rebind_protection",
 124         translate("Rebind protection"),
 125         translate("Discard upstream RFC1918 responses"))
 126
 127 rp.rmempty = false
 128
 129
 130 rl = s:taboption("general", Flag, "rebind_localhost",
 131         translate("Allow localhost"),
 132         translate("Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services"))
 133
 134 rl:depends("rebind_protection", "1")
 135
 136
 137 rd = s:taboption("general", DynamicList, "rebind_domain",
 138         translate("Domain whitelist"),
 139         translate("List of domains to allow RFC1918 responses for"))
 140
 141 rd:depends("rebind_protection", "1")
 142 rd.datatype = "host"
 143 rd.placeholder = "ihost.netflix.com"
 144
 145
 146 pt = s:taboption("advanced", Value, "port",
 147         translate("<abbr title=\"Domain Name System\">DNS</abbr> server port"),
 148         translate("Listening port for inbound DNS queries"))
 149
 150 pt.optional = true
 151 pt.datatype = "port"
 152 pt.placeholder = 53
 153
 154
 155 qp = s:taboption("advanced", Value, "queryport",
 156         translate("<abbr title=\"Domain Name System\">DNS</abbr> query port"),
 157         translate("Fixed source port for outbound DNS queries"))
 158
 159 qp.optional = true
 160 qp.datatype = "port"
 161 qp.placeholder = translate("any")
 162
 163
 164 lm = s:taboption("advanced", Value, "dhcpleasemax",
 165         translate("<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Dynamic Host Configuration " ..
 166                 "Protocol\">DHCP</abbr> leases"),
 167         translate("Maximum allowed number of active DHCP leases"))
 168
 169 lm.optional = true
 170 lm.datatype = "uinteger"
 171 lm.placeholder = translate("unlimited")
 172
 173
 174 em = s:taboption("advanced", Value, "ednspacket_max",
 175         translate("<abbr title=\"maximal\">Max.</abbr> <abbr title=\"Extension Mechanisms for " ..
 176                 "Domain Name System\">EDNS0</abbr> packet size"),
 177         translate("Maximum allowed size of EDNS.0 UDP packets"))
 178
 179 em.optional = true
 180 em.datatype = "uinteger"
 181 em.placeholder = 1280
 182
 183
 184 cq = s:taboption("advanced", Value, "dnsforwardmax",
 185         translate("<abbr title=\"maximal\">Max.</abbr> concurrent queries"),
 186         translate("Maximum allowed number of concurrent DNS queries"))
 187
 188 cq.optional = true
 189 cq.datatype = "uinteger"
 190 cq.placeholder = 150
 191
 192
 193 s:taboption("tftp", Flag, "enable_tftp",
 194         translate("Enable TFTP server")).optional = true
 195
 196 tr = s:taboption("tftp", Value, "tftp_root",
 197         translate("TFTP server root"),
 198         translate("Root directory for files served via TFTP"))
 199
 200 tr.optional = true
 201 tr:depends("enable_tftp", "1")
 202 tr.placeholder = "/"
 203
 204
 205 db = s:taboption("tftp", Value, "dhcp_boot",
 206         translate("Network boot image"),
 207         translate("Filename of the boot image advertised to clients"))
 208
 209 db.optional = true
 210 db:depends("enable_tftp", "1")
 211 db.placeholder = "pxelinux.0"
 212
 213
 214 m:section(SimpleSection).template = "admin_network/lease_status"
 215
 216 s = m:section(TypedSection, "host", translate("Static Leases"),
 217         translate("Static leases are used to assign fixed IP addresses and symbolic hostnames to " ..
 218                 "DHCP clients. They are also required for non-dynamic interface configurations where " ..
 219                 "only hosts with a corresponding lease are served.") .. "<br />" ..
 220         translate("Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</em> " ..
 221                 "indentifies the host, the <em>IPv4-Address</em> specifies to the fixed address to " ..
 222                 "use and the <em>Hostname</em> is assigned as symbolic name to the requesting host."))
 223
 224 s.addremove = true
 225 s.anonymous = true
 226 s.template = "cbi/tblsection"
 227
 228 name = s:option(Value, "name", translate("Hostname"))
 229 name.datatype = "hostname"
 230 name.rmempty  = true
 231
 232 mac = s:option(Value, "mac", translate("<abbr title=\"Media Access Control\">MAC</abbr>-Address"))
 233 mac.datatype = "list(macaddr)"
 234 mac.rmempty  = true
 235
 236 ip = s:option(Value, "ip", translate("<abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Address"))
 237 ip.datatype = "or(ip4addr,'ignore')"
 238
 239 hostid = s:option(Value, "hostid", translate("<abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Suffix (hex)"))
 240
 241 ipc.neighbors({ family = 4 }, function(n)
 242         if n.mac and n.dest then
 243                 ip:value(n.dest:string())
 244                 mac:value(n.mac, "%s (%s)" %{ n.mac, n.dest:string() })
 245         end
 246 end)
 247
 248 function ip.validate(self, value, section)
 249         local m = mac:formvalue(section) or ""
 250         local n = name:formvalue(section) or ""
 251         if value and #n == 0 and #m == 0 then
 252                 return nil, translate("One of hostname or mac address must be specified!")
 253         end
 254         return Value.validate(self, value, section)
 255 end
 256
 257
 258 return m