libs/sys: properly handle passwords with apostrophes
[project/luci.git] / applications / luci-ffwizard-leipzig / luasrc / model / cbi / ffwizard.lua
index 74a66e8..780316c 100644 (file)
@@ -17,6 +17,30 @@ $Id$
 
 local uci = require "luci.model.uci".cursor()
 local tools = require "luci.tools.ffwizard"
+local util = require "luci.util"
+local sys = require "luci.sys"
+local ip = require "luci.ip"
+
+local function mksubnet(community, meship)
+       local subnet_prefix = tonumber(uci:get("freifunk", community, "splash_prefix")) or 27
+       local pool_network = uci:get("freifunk", community, "splash_network") or "10.104.0.0/16"
+       local pool = luci.ip.IPv4(pool_network)
+
+       if pool then
+               local hosts_per_subnet = 2^(32 - subnet_prefix)
+               local number_of_subnets = (2^pool:prefix())/hosts_per_subnet
+
+               local seed1, seed2 = meship:match("(%d+)%.(%d+)$")
+               math.randomseed(seed1 * seed2)
+
+               local subnet = pool:add(hosts_per_subnet * math.random(number_of_subnets))
+
+               local subnet_ipaddr = subnet:network(subnet_prefix):add(1):string()
+               local subnet_netmask = subnet:mask(subnet_prefix):string()
+
+               return subnet_ipaddr, subnet_netmask
+       end
+end
 
 
 -------------------- View --------------------
@@ -33,14 +57,12 @@ uci:foreach("wireless", "wifi-device",
 
 main = f:field(Flag, "wifi", "Freifunkzugang einrichten")
 
-net = f:field(Value, "net", "Freifunknetz")
+net = f:field(Value, "net", "Freifunk Community", "Mesh Netzbereich")
 net.rmempty = true
 net:depends("wifi", "1")
-net:value("104.0", "Berlin (104.0)")
-net:value("104.59", "Leisnig/Gadow/div. (104.59)")
-net:value("104.61", "Leipzig (104.61)")
-net:value("104.62", "Halle (104.62)")
-net:value("191.161", "Augsburg (191.161)")
+uci:foreach("freifunk", "community", function(s)
+       net:value(s[".name"], "%s (%s)" % {s.name, s.mesh_network or "?"})
+end)
 
 function net.cfgvalue(self, section)
        return uci:get("freifunk", "wizard", "net")
@@ -50,47 +72,64 @@ function net.write(self, section, value)
        uci:save("freifunk")
 end
 
-
-subnet = f:field(ListValue, "subnet", "Subnetz (Projekt)")
-subnet.rmempty = true
-subnet:depends("wifi", "1")
-for i=0, 255 do
-       subnet:value(i)
-end
-function subnet.cfgvalue(self, section)
-       return uci:get("freifunk", "wizard", "subnet")
+meship = f:field(Value, "meship", "Mesh IP Adresse", "Netzweit eindeutige Identifikation")
+meship.rmempty = true
+meship:depends("wifi", "1")
+function meship.cfgvalue(self, section)
+       return uci:get("freifunk", "wizard", "meship")
 end
-function subnet.write(self, section, value)
-       uci:set("freifunk", "wizard", "subnet", value)
+function meship.write(self, section, value)
+       uci:set("freifunk", "wizard", "meship", value)
        uci:save("freifunk")
 end
-
-node = f:field(Value, "node", "Knoten")
-node.rmempty = true
-node:depends("wifi", "1")
-for i=1, 51 do
-       node:value(i)
-end
-function node.cfgvalue(self, section)
-       return uci:get("freifunk", "wizard", "node")
-end
-function node.write(self, section, value)
-       uci:set("freifunk", "wizard", "node", value)
-       uci:save("freifunk")
+function meship.validate(self, value)
+       local x = ip.IPv4(value)
+       return ( x and x:prefix() == 32 ) and x:string() or ""
 end
 
 client = f:field(Flag, "client", "WLAN-DHCP anbieten")
 client:depends("wifi", "1")
-
+client.rmempty = false
+function client.cfgvalue(self, section)
+       return uci:get("freifunk", "wizard", "dhcp_splash") or "0"
+end
 
 olsr = f:field(Flag, "olsr", "OLSR einrichten")
+olsr.rmempty = true
 
-share = f:field(ListValue, "sharenet", "Eigenen Internetzugang freigeben")
-share:value("maybe", "-- keine Aktion --")
-share:value("yes", "einschalten")
-share:value("no", "ausschalten")
+lat = f:field(Value, "lat", "Latitude")
+lat:depends("olsr", "1")
+function lat.cfgvalue(self, section)
+       return uci:get("freifunk", "wizard", "latitude")
+end
+function lat.write(self, section, value)
+       uci:set("freifunk", "wizard", "latitude", value)
+       uci:save("freifunk")
+end
 
+lon = f:field(Value, "lon", "Longitude")
+lon:depends("olsr", "1")
+function lon.cfgvalue(self, section)
+       return uci:get("freifunk", "wizard", "longitude")
+end
+function lon.write(self, section, value)
+       uci:set("freifunk", "wizard", "longitude", value)
+       uci:save("freifunk")
+end
+
+share = f:field(Flag, "sharenet", "Eigenen Internetzugang freigeben")
+share.rmempty = true
 
+wansec = f:field(Flag, "wansec", "WAN-Zugriff auf Gateway beschränken")
+wansec.rmempty = false
+wansec:depends("sharenet", "1")
+function wansec.cfgvalue(self, section)
+       return uci:get("freifunk", "wizard", "wan_security")
+end
+function wansec.write(self, section, value)
+       uci:set("freifunk", "wizard", "wan_security", value)
+       uci:save("freifunk")
+end
 
 -------------------- Control --------------------
 function f.handle(self, state, data)
@@ -120,76 +159,133 @@ function main.write(self, section, value)
        end
 
        local device = dev:formvalue(section)
+       local node_ip, external
 
        -- Collect IP-Address
-       local inet = net:formvalue(section)
-       local isubnet = subnet:formvalue(section)
-       local inode = node:formvalue(section)
+       local community = net:formvalue(section)
 
        -- Invalidate fields
-       if not inet then
+       if not community then
                net.tag_missing[section] = true
-       end
-       if not isubnet then
-               subnet.tag_missing[section] = true
-       end
-       if not inode then
-               node.tag_missing[section] = true
-       end
-
-       if not inet or not isubnet or not inode then
-               return
+       else
+               external = uci:get("freifunk", community, "external") or ""
+               network = ip.IPv4(uci:get("freifunk", community, "mesh_network") or "104.0.0.0/8")
+               node_ip = meship:formvalue(section) and ip.IPv4(meship:formvalue(section))
+
+               if not node_ip or not network or not network:contains(node_ip) then
+                       meship.tag_missing[section] = true
+                       node_ip = nil
+               end
        end
 
-       local ip = "%s.%s.%s" % {inet, isubnet, inode}
+       if not node_ip then return end
 
 
        -- Cleanup
-       luci.util.perror("1")
        tools.wifi_delete_ifaces(device)
-       luci.util.perror("2")
        tools.network_remove_interface(device)
-       luci.util.perror("3")
        tools.firewall_zone_remove_interface("freifunk", device)
 
+       -- Tune community settings
+       if community and uci:get("freifunk", community) then
+               uci:tset("freifunk", "community", uci:get_all("freifunk", community))
+       end
 
        -- Tune wifi device
-       local devconfig = _strip_internals(uci:get_all("freifunk", "wifi_device"))
+       local devconfig = uci:get_all("freifunk", "wifi_device")
+       util.update(devconfig, uci:get_all(external, "wifi_device") or {})
        uci:tset("wireless", device, devconfig)
 
        -- Create wifi iface
-       local ifconfig = _strip_internals(uci:get_all("freifunk", "wifi_iface"))
+       local ifconfig = uci:get_all("freifunk", "wifi_iface")
+       util.update(ifconfig, uci:get_all(external, "wifi_iface") or {})
        ifconfig.device = device
        ifconfig.network = device
+       ifconfig.ssid = uci:get("freifunk", community, "ssid")
        uci:section("wireless", "wifi-iface", nil, ifconfig)
 
        -- Save wifi
        uci:save("wireless")
 
        -- Create firewall zone and add default rules (first time)
-       local newzone = tools.firewall_create_zone("freifunk", "DROP", "ACCEPT", "DROP", true)
+       local newzone = tools.firewall_create_zone("freifunk", "REJECT", "ACCEPT", "REJECT", true)
        if newzone then
                uci:foreach("freifunk", "fw_forwarding", function(section)
-                       uci:section("firewall", "forwarding", nil, _strip_internals(section))
+                       uci:section("firewall", "forwarding", nil, section)
+               end)
+               uci:foreach(external, "fw_forwarding", function(section)
+                       uci:section("firewall", "forwarding", nil, section)
                end)
 
                uci:foreach("freifunk", "fw_rule", function(section)
-                       uci:section("firewall", "rule", nil, _strip_internals(section))
+                       uci:section("firewall", "rule", nil, section)
+               end)
+               uci:foreach(external, "fw_rule", function(section)
+                       uci:section("firewall", "rule", nil, section)
+               end)
+       end
+
+       -- Enforce firewall include
+       local has_include = false
+       uci:foreach("firewall", "include",
+               function(section)
+                       if section.path == "/etc/firewall.freifunk" then
+                               has_include = true
+                       end
                end)
 
-               uci:save("firewall")
+       if not has_include then
+               uci:section("firewall", "include", nil,
+                       { path = "/etc/firewall.freifunk" })
        end
 
+       -- Allow state: invalid packets
+       uci:foreach("firewall", "defaults",
+               function(section)
+                       uci:set("firewall", section[".name"], "drop_invalid", "0")
+               end)
 
-       -- Crate network interface
-       local netconfig = _strip_internals(uci:get_all("freifunk", "interface"))
+       -- Prepare advanced config
+       local has_advanced = false
+       uci:foreach("firewall", "advanced",
+               function(section) has_advanced = true end)
+
+       if not has_advanced then
+               uci:section("firewall", "advanced", nil,
+                       { tcp_ecn = "0", ip_conntrack_max = "8192", tcp_westwood = "1" })
+       end
+
+       uci:save("firewall")
+
+
+       -- Create network interface
+       local netconfig = uci:get_all("freifunk", "interface")
+       util.update(netconfig, uci:get_all(external, "interface") or {})
        netconfig.proto = "static"
-       netconfig.ipaddr = ip
+       netconfig.ipaddr = node_ip:string()
        uci:section("network", "interface", device, netconfig)
 
        uci:save("network")
 
        tools.firewall_zone_add_interface("freifunk", device)
+
+
+       local new_hostname = node_ip:string():gsub("%.", "-")
+       local old_hostname = sys.hostname()
+
+       uci:foreach("system", "system",
+               function(s)
+                       -- Make crond silent
+                       uci:set("system", s['.name'], "cronloglevel", "10")
+
+                       -- Set hostname
+                       if old_hostname == "OpenWrt" or old_hostname:match("^%d+-%d+-%d+-%d+$") then
+                               uci:set("system", s['.name'], "hostname", new_hostname)
+                               sys.hostname(new_hostname)
+                       end
+               end)
+
+       uci:save("system")
 end
 
 
@@ -198,82 +294,200 @@ function olsr.write(self, section, value)
                return
        end
 
+
        local device = dev:formvalue(section)
 
+       local community = net:formvalue(section)
+       local external  = community and uci:get("freifunk", community, "external") or ""
+
+       local latval = tonumber(lat:formvalue(section))
+       local lonval = tonumber(lon:formvalue(section))
+
+
        -- Delete old interface
-       uci:delete_all("freifunk", "Interface", {Interface=device})
+       uci:delete_all("olsrd", "Interface", {interface=device})
 
        -- Write new interface
-       local olsrbase = _strip_internals(uci:get_all("freifunk", "olsr_interface"))
+       local olsrbase = uci:get_all("freifunk", "olsr_interface")
+       util.update(olsrbase, uci:get_all(external, "olsr_interface") or {})
        olsrbase.interface = device
        olsrbase.ignore    = "0"
        uci:section("olsrd", "Interface", nil, olsrbase)
+
+       -- Delete old watchdog settings
+       uci:delete_all("olsrd", "LoadPlugin", {library="olsrd_watchdog.so.0.1"})
+
+       -- Write new watchdog settings
+       uci:section("olsrd", "LoadPlugin", nil, {
+               library  = "olsrd_watchdog.so.0.1",
+               file     = "/var/run/olsrd.watchdog",
+               interval = "30"
+       })
+
+       -- Delete old nameservice settings
+       uci:delete_all("olsrd", "LoadPlugin", {library="olsrd_nameservice.so.0.3"})
+
+       -- Write new nameservice settings
+       uci:section("olsrd", "LoadPlugin", nil, {
+               library     = "olsrd_nameservice.so.0.3",
+               suffix      = ".olsr",
+               hosts_file  = "/var/etc/hosts.olsr",
+               latlon_file = "/var/run/latlon.js",
+               lat         = latval and string.format("%.15f", latval) or "",
+               lon         = lonval and string.format("%.15f", lonval) or ""
+       })
+
+       -- Save latlon to system too
+       if latval and lonval then
+               uci:foreach("system", "system", function(s)
+                       uci:set("system", s[".name"], "latlon",
+                               string.format("%.15f %.15f", latval, lonval))
+               end)
+       else
+               uci:foreach("system", "system", function(s)
+                       uci:delete("system", s[".name"], "latlon")
+               end)
+       end
+
+       -- Import hosts
+       uci:foreach("dhcp", "dnsmasq", function(s)
+               uci:set("dhcp", s[".name"], "addnhosts", "/var/etc/hosts.olsr")
+       end)
+
+       -- Make sure that OLSR is enabled
+       sys.exec("/etc/init.d/olsrd enable")
+
        uci:save("olsrd")
+       uci:save("dhcp")
 end
 
 
 function share.write(self, section, value)
-       if value == "maybe" then
-               return
-       end
-
        uci:delete_all("firewall", "forwarding", {src="freifunk", dest="wan"})
+       uci:delete_all("olsrd", "LoadPlugin", {library="olsrd_dyn_gw_plain.so.0.4"})
+       uci:foreach("firewall", "zone",
+               function(s)             
+                       if s.name == "wan" then
+                               uci:delete("firewall", s['.name'], "local_restrict")
+                               return false
+                       end
+               end)
 
-       if value == "yes" then
+       if value == "1" then
                uci:section("firewall", "forwarding", nil, {src="freifunk", dest="wan"})
+               uci:section("olsrd", "LoadPlugin", nil, {library="olsrd_dyn_gw_plain.so.0.4"})
+
+               if wansec:formvalue(section) == "1" then
+                       uci:foreach("firewall", "zone",
+                               function(s)             
+                                       if s.name == "wan" then
+                                               uci:set("firewall", s['.name'], "local_restrict", "1")
+                                               return false
+                                       end
+                               end)
+               end
        end
+
        uci:save("firewall")
+       uci:save("olsrd")
+       uci:save("system")
 end
 
 
 function client.write(self, section, value)
        if value == "0" then
+               uci:delete("freifunk", "wizard", "dhcp_splash")
+               uci:save("freifunk")
                return
        end
 
        local device = dev:formvalue(section)
 
        -- Collect IP-Address
-       local inet = net:formvalue(section)
-       local isubnet = subnet:formvalue(section)
-       local inode = node:formvalue(section)
+       local node_ip = meship:formvalue(section)
 
-       if not inet or not isubnet or not inode then
-               return
-       end
+       if not node_ip then return end
 
-       local dhcpbeg = 48 + tonumber(inode) * 4
-       local dclient = "%s.%s.%s" % {inet:gsub("^[0-9]+", "10"), isubnet, dhcpbeg}
-       local limit = dhcpbeg < 252 and 3 or 2
+       local community = net:formvalue(section)
+       local external  = community and uci:get("freifunk", community, "external") or ""
+       local splash_ip, splash_mask = mksubnet(community, node_ip)
 
        -- Delete old alias
        uci:delete("network", device .. "dhcp")
 
        -- Create alias
-       local aliasbase = _strip_internals(uci:get_all("freifunk", "alias"))
+       local aliasbase = uci:get_all("freifunk", "alias")
+       util.update(aliasbase, uci:get_all(external, "alias") or {})
        aliasbase.interface = device
-       aliasbase.ipaddr = dclient
+       aliasbase.ipaddr = splash_ip
+       aliasbase.netmask = splash_mask
        aliasbase.proto = "static"
        uci:section("network", "alias", device .. "dhcp", aliasbase)
        uci:save("network")
 
 
        -- Create dhcp
-       local dhcpbase = _strip_internals(uci:get_all("freifunk", "dhcp"))
+       local dhcpbase = uci:get_all("freifunk", "dhcp")
+       util.update(dhcpbase, uci:get_all(external, "dhcp") or {})
        dhcpbase.interface = device .. "dhcp"
        dhcpbase.start = dhcpbeg
        dhcpbase.limit = limit
+       dhcpbase.force = 1
 
        uci:section("dhcp", "dhcp", device .. "dhcp", dhcpbase)
        uci:save("dhcp")
 
+       uci:delete_all("firewall", "rule", {
+               src="freifunk",
+               proto="udp",
+               dest_port="53"
+       })
+       uci:section("firewall", "rule", nil, {
+               src="freifunk",
+               proto="udp",
+               dest_port="53",
+               target="ACCEPT"
+       })
+       uci:delete_all("firewall", "rule", {
+               src="freifunk",
+               proto="udp",
+               src_port="68",
+               dest_port="67"
+       })
+       uci:section("firewall", "rule", nil, {
+               src="freifunk",
+               proto="udp",
+               src_port="68",
+               dest_port="67",
+               target="ACCEPT"
+       })
+       uci:delete_all("firewall", "rule", {
+               src="freifunk",
+               proto="tcp",
+               dest_port="8082",
+       })
+       uci:section("firewall", "rule", nil, {
+               src="freifunk",
+               proto="tcp",
+               dest_port="8082",
+               target="ACCEPT"
+       })
+
+       uci:save("firewall")
 
        -- Delete old splash
-       uci:delete_all("luci_splash", "iface", {net=device, zone="freifunk"})
+       uci:delete_all("luci_splash", "iface", {network=device.."dhcp", zone="freifunk"})
 
        -- Register splash
-       uci:section("luci_splash", "iface", nil, {net=device, zone="freifunk"})
+       uci:section("luci_splash", "iface", nil, {network=device.."dhcp", zone="freifunk"})
        uci:save("luci_splash")
+       
+       -- Make sure that luci_splash is enabled
+       sys.exec("/etc/init.d/luci_splash enable")
+
+       -- Remember state
+       uci:set("freifunk", "wizard", "dhcp_splash", "1")
+       uci:save("freifunk")
 end
 
 return f