aredn/files/www/cgi-bin/advancedconfig

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#!/usr/bin/lua
--[[
Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
Copyright (C) 2021 Tim Wilkinson
Original Perl Copyright (C) 2020 - Darryl Quinn
See Contributors file for additional contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 3 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Additional Terms:
Additional use restrictions exist on the AREDN(TM) trademark and logo.
See AREDNLicense.txt for more info.
Attributions to the AREDN Project must be retained in the source code.
If importing this code into a new or existing project attribution
to the AREDN project must be added to the source code.
You must not misrepresent the origin of the material contained within.
Modified versions must be modified to attribute to the original source
and be marked in reasonable ways as differentiate it from the original
version
--]]
require("nixio")
require("aredn.hardware")
require("aredn.http")
require("aredn.utils")
aredn.html = require("aredn.html")
require("uci")
aredn.info = require("aredn.info")
require("luci.sys")
local html = aredn.html
local urlprefix
local target = "unknown"
function defaultPackageRepos(repo)
if not urlprefix then
urlprefix = "http://downloads.arednmesh.org"
local release = "unknown"
for line in io.lines("/etc/openwrt_release")
do
local m = line:match("DISTRIB_RELEASE='(.*)'")
if m then
release = m
end
m = line:match("DISTRIB_TARGET='(.*)'")
if m then
target = m
end
end
if release:match("%.") then
local a, b = release:match("^(%d+)%.(%d+)%.")
urlprefix = urlprefix .. "/releases/" .. a .. "/" .. b .. "/" .. release
else
-- nightly
urlprefix = urlprefix .. "/snapshots/trunk"
end
end
if repo:match("aredn_core") then
return urlprefix .. "/targets/" .. target .. "/packages"
else
return urlprefix .. "/packages/mips_24kc/" .. repo
end
end
local settings = {
{
key = "aredn.@map[0].maptiles",
type = "string",
desc = "Specifies the URL of the location to access map tiles",
default = "http://stamen-tiles-{s}.a.ssl.fastly.net/terrain/{z}/{x}/{y}.jpg"
},
{
key = "aredn.@map[0].leafletcss",
type = "string",
desc = "Specifies the URL of the leaflet.css file",
default = "http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.css"
},
{
key = "aredn.@map[0].leafletjs",
type = "string",
desc = "Specifies the URL of the leaflet.js file",
default = "http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.js"
},
{
key = "aredn.@downloads[0].firmwarepath",
type = "string",
desc = "Specifies the URL of the location from which firmware files will be downloaded.",
default = "http://downloads.arednmesh.org/firmware"
},
{
key = "aredn.@downloads[0].pkgs_core",
type = "string",
desc = "Specifies the URL for the 'core' packages: kernel modules and the like",
default = defaultPackageRepos('aredn_core'),
postcallback = "writePackageRepo('core')"
},
{
key = "aredn.@downloads[0].pkgs_base",
type = "string",
desc = "Specifies the URL for the 'base' packages: libraries, shells, etc.",
default = defaultPackageRepos('base'),
postcallback = "writePackageRepo('base')"
},
{
key = "aredn.@downloads[0].pkgs_arednpackages",
type = "string",
desc = "Specifies the URL for the 'arednpackages' packages: vtun, etc.",
default = defaultPackageRepos('arednpackages'),
postcallback = "writePackageRepo('arednpackages')"
},
{
key = "aredn.@downloads[0].pkgs_luci",
type = "string",
desc = "Specifies the URL for the 'luci' packages: luci and things needed for luci.",
default = defaultPackageRepos('luci'),
postcallback = "writePackageRepo('luci')"
},
{
key = "aredn.@downloads[0].pkgs_packages",
type = "string",
desc = "Specifies the URL for the 'packages' packages: everything not included in the other dirs.",
default = defaultPackageRepos('packages'),
postcallback = "writePackageRepo('packages')"
},
{
key = "aredn.@downloads[0].pkgs_routing",
type = "string",
desc = "Specifies the URL for the 'routing' packages: olsr, etc.",
default = defaultPackageRepos('routing'),
postcallback = "writePackageRepo('routing')"
},
{
key = "aredn.@downloads[0].pkgs_telephony",
type = "string",
desc = "Specifies the URL for the 'telephony' packages.",
default = defaultPackageRepos('telephony'),
postcallback = "writePackageRepo('telephony')"
},
{
key = "aredn.@downloads[0].pkgs_freifunk",
type = "string",
desc = "Specifies the URL for the 'freifunk' packages.",
default = defaultPackageRepos('freifunk'),
postcallback = "writePackageRepo('freifunk')"
},
{
key = "aredn.@poe[0].passthrough",
type = "boolean",
desc = "Specifies whether a PoE passthrough port should be on or off. (Not all devices have PoE passthrough ports.",
default = "0",
condition = "hasPOE()",
postcallback = "setPOEOutput()"
},
{
key = "aredn.@usb[0].passthrough",
type = "boolean",
desc = "Specifies whether the USB port should be on or off. (Not all devices have USB powered ports.",
default = "1",
postcallback = "setUSBOutput()",
condition = "hasUSB()"
},
{
key = "aredn.@tunnel[0].maxclients",
type = "string",
desc = "Specifies the maximum number of tunnel clients this node can serve; must be an integer in the range [0,100]. (Only applies if tunnel software is installed)",
default = "10",
condition = "hasTunnelSoftware()",
precallback = "restrictTunnelLimitToValidRange()",
postcallback = "adjustTunnelInterfaceCount()"
},
{
key = "aredn.@tunnel[0].maxservers",
type = "string",
desc = "Specifies the maximum number of tunnel servers to which this node can connect; must be an integer in the range [0,100]. (Only applies if tunnel software is installed)",
default = "10",
condition = "hasTunnelSoftware()",
precallback = "restrictTunnelLimitToValidRange()",
postcallback = "adjustTunnelInterfaceCount()"
},
{
key = "aredn.@meshstatus[0].lowmem",
type = "string",
desc = "Specifies the low memory threshold (in KB) when we will truncate the mesh status page",
default = "10000"
},
{
key = "aredn.@meshstatus[0].lowroutes",
type = "string",
desc = "When low memory is detected, limit the number of routes shown on the mesh status page",
default = "1000"
},
{
key = "aredn.olsr.restart",
type = "none",
desc = "Will restart OLSR when saving setting -- wait up to 2 or 3 minutes to receive response.",
default = "0",
postcallback = "olsr_restart()"
},
{
key = "aredn.aam.refresh",
type = "none",
desc = "Attempt to pull any AREDN Alert messages.",
default = "0",
postcallback = "aam_refresh()"
},
{
key = "aredn.@alerts[0].localpath",
type = "string",
desc = "Specifies the URL of the location from which local AREDN Alerts can be downloaded.",
default = ""
},
{
key = "aredn.aam.purge",
type = "none",
desc = "Immediately purge/delete all AREDN (and local) Alerts from this node.",
default = "",
postcallback = "alert_purge()"
}
}
local msgs = {}
--
-- helpers
--
function msg(m)
msgs[#msgs + 1] = m
end
function reboot()
local node = aredn.info.get_nvram("node")
if node == "" then
node = "Node"
end
local lanip, _, lanmask = aredn.hardware.get_interface_ip4(aredn.hardware.get_iface_name("lan"))
local browser = os.getenv("REMOTE_ADDR")
local browser6 = browser:match("::ffff:([%d%.]+)")
if browser6 then
browser = browser6
end
local fromlan = false
local subnet_change = false
if lanip then
fromlan = validate_same_subnet(browser, lanip, lanmask)
if fromlan then
lanmask = ip_to_decimal(lanmask)
local cfgip = cursor_get("network", "lan", "ipaddr")
local cfgmask = ip_to_decimal(cursor_get("network", "lan", "netmask"))
if lanmask ~= cfgmask or decimal_to_ip(nixio.bit.band(ip_to_decimal(ip), lanmask)) ~= nixio.bit.band(ip_to_decimal(cfgip), cfgmask) then
subnet_change = true
end
end
end
http_header()
if fromlan and subnet_change then
html.header(node .. " rebooting", true)
html.print("<body><center>")
html.print("<h1>" .. node .. " is rebooting</h1><br>")
html.print("<h3>The LAN subnet has changed. You will need to acquire a new DHCP lease<br>")
html.print("and reset any name service caches you may be using.</h3><br>")
html.print("<h3>When the node reboots you get your new DHCP lease and reconnect with<br>")
html.print("<a href='http://localnode.local.mesh:8080/'>http://localnode.local.mesh:8080/</a><br>or<br>")
html.print("<a href='http://" .. node .. ".local.mesh:8080/'>http://" .. node .. ".local.mesh:8080/</a></h3>")
else
html.header(node .. " rebooting", false)
html.print("<meta http-equiv='refresh' content='60;url=/cgi-bin/status'>")
html.print("</head><body><center>")
html.print("<h1>" .. node .. " is rebooting</h1><br>")
html.print("<h3>Your browser should return to this node in 60 seconds.</br><br>")
html.print("If something goes astray you can try to connect with<br><br>")
html.print("<a href='http://localnode.local.mesh:8080/'>http://localnode.local.mesh:8080/</a><br>")
if node ~= "Node" then
html.print("or<br><a href='http://" .. node .. ".local.mesh:8080/'>http://" .. node .. ".local.mesh:8080/</a></h3>")
end
end
html.print("</center></body></html>")
http_footer()
luci.sys.reboot()
os.exit()
end
-- uci cursor
local cursora = uci:cursor()
local cursorb = uci:cursor("/etc/config.mesh")
function cursor_set(a, b, c, d)
cursora:set(a, b, c, d)
cursorb:set(a, b, c, d)
cursora:commit(a)
cursorb:commit(a)
end
function cursor_add(a, b, c)
cursora:set(a, b, c)
cursorb:set(a, b, c)
cursora:commit(a)
cursorb:commit(a)
end
function cursor_delete(a, b)
cursora:delete(a, b)
cursorb:delete(a, b)
cursora:commit(a)
cursorb:commit(a)
end
function cursor_get(a, b, c)
return cursora:get(a, b, c)
end
-- conditionals
function hasPOE()
return aredn.hardware.has_poe()
end
function hasUSB()
return aredn.hardware.has_usb()
end
function hasTunnelSoftware()
if nixio.fs.stat("/usr/sbin/vtund") then
return true
else
return false
end
end
-- callbacks
local newval
local key
function setPOEOutput()
if not newval then
newval = 0
end
os.execute("/usr/local/bin/poe_passthrough " .. newval)
end
function setUSBOutput()
if not newval then
newval = 0
end
os.execute("/usr/local/bin/usb_passthrough " .. newval)
end
function olsr_restart()
os.execute("/etc/init.d/olsrd restart")
end
function aam_refresh()
os.execute("/usr/local/bin/aredn_message.sh")
end
function alert_purge()
os.remove("/tmp/aredn_message")
os.remove("/tmp/local_message")
end
function writePackageRepo(repo)
local uciurl = cursor_get("aredn", "@downloads[0]", "pkgs_" .. repo):chomp()
local disturl = capture("grep aredn_" .. repo .. " /etc/opkg/distfeeds.conf | cut -d' ' -f3"):chomp()
os.execute("sed -i 's|" .. disturl .. "|" .. uciurl .. "|g' /etc/opkg/distfeeds.conf")
end
function restrictTunnelLimitToValidRange()
newval = tonumber(newval)
if not newval then
msg(key .. " must be an interger in the range [0,100]")
newval = 0
elseif newval < 0 then
msg("Lower limit of " .. key .. " is 0")
newval = 0
elseif newval > 100 then
msg("Upper limit of " .. key .. " is 100")
newval = 100
end
end
function addTunnelInterface(file, tunnum)
local section = "tun" .. tunnum
cursor_add(file, section, "interface")
cursor_set(file, section, "ifname", section)
cursor_set(file, section, "proto", "none")
end
function deleteTunnelInterface(file, tunnum)
local section = "tun" .. tunnum
cursor_delete(file, section)
end
function adjustTunnelInterfaceCount()
local tunnel_if_count = 0
cursora:foreach('network_tun', 'interface', function(s) tunnel_if_count = tunnel_if_count + 1 end)
local maxclients = cursor_get("aredn", "tunnel", "maxclients")
if not maxclients then
maxclients = 10
end
local maxservers = cursor_get("aredn", "tunnel", "maxservers")
if not maxservers then
maxservers = 10
end
local needed_if_count = maxclients + maxservers
if tunnel_if_count ~= needed_if_count then
for i = tunnel_if_count,needed_if_count-1
do
local tunnum = 50 + i
addTunnelInterface("network_tun", tunnum)
addTunnelInterface("network", tunnum)
end
for i = tunnel_if_count-1,needed_if_count,-1
do
local tunnum = 50 + i
deleteTunnelInterface("network_tun", tunnum)
deleteTunnelInterface("network", tunnum)
end
-- can't clone network because it contains macros; re-edit it instead
os.execute("sed -i -e '$r /etc/config.mesh/network_tun' -e '/interface.*tun',$d' /etc/config.mesh/network")
end
end
-- read_postdata
local parms = {}
if os.getenv("REQUEST_METHOD") == "POST" then
require('luci.http')
local request = luci.http.Request(luci.sys.getenv(),
function()
local v = io.read(1024)
if not v then
io.close()
end
return v
end
)
parms = request:formvalue()
end
if parms.button_firstboot then
os.execute("firstboot -y")
end
if parms.button_firstboot or parms.button_reboot then
reboot()
end
local node = aredn.info.get_nvram("node")
for i, setting in ipairs(settings)
do
if parms["button_save_" .. i] then
newval = parms["newval_" .. i]
newval = newval:gsub("^%s+", ""):gsub("%s+$", "")
if setting.type == "boolean" then
if newval == "1" or newval == "true" then
newval = "1"
else
newval = "0"
end
end
key = setting.key
if setting.precallback then
loadstring(setting.precallback)()
end
local a, b, c = setting.key:match("(.+)%.(.+)%.(.*)")
cursor_set(a, b, c, newval)
msg("Changed " .. key)
if setting.postcallback then
loadstring(setting.postcallback)()
end
break
end
end
-- generate the page
http_header()
html.header(node .. " Advanced Configuration", false)
html.print([[
<style>
/* The switch - the box around the slider */
.switch {
position: relative;
display: inline-block;
width: 60px;
height: 34px;
}
/* Hide default HTML checkbox */
.switch input {
opacity: 0;
width: 0;
height: 0;
}
/* The slider */
.slider {
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: #ccc;
-webkit-transition: .4s;
transition: .4s;
}
.slider:before {
position: absolute;
content: "";
height: 26px;
width: 26px;
left: 4px;
bottom: 4px;
background-color: white;
-webkit-transition: .4s;
transition: .4s;
}
input:checked + .slider {
background-color: #2196F3;
}
input:focus + .slider {
box-shadow: 0 0 1px #2196F3;
}
input:checked + .slider:before {
-webkit-transform: translateX(26px);
-ms-transform: translateX(26px);
transform: translateX(26px);
}
/* Rounded sliders */
.slider.round {
border-radius: 34px;
}
.slider.round:before {
border-radius: 50%;
2021-03-27 10:28:17 -06:00
}
</style>
<script>
function toggleDefault(fname, defval) {
if(document.getElementById(fname).checked) {
cval = '1'
} else {
cval = '0'
}
if(cval != defval) {
document.getElementById(fname).click();
}
return true;
}
</script>
</head>
]])
html.print("<body><center>")
html.alert_banner();
html.print("<div style=\"padding:5px;background-color:#FF0000;color:#FFFFFF;width:650px;\"><strong>WARNING:</strong> Changing advanced settings can be harmful to the stability, security, and performance of this node and potentially the entire mesh network.<br><strong>You should only continue if you are sure of what you are doing.</strong></div><form method=post action=advancedconfig enctype='multipart/form-data'><table width=790><tr><td>")
-- navbar
html.print("<hr><table cellpadding=5 border=0 width=100%><tr>")
html.print("<td align=center width=15%><a href='status'>Node Status</a></td>")
html.print("<td align=center width=15%><a href='setup'>Basic Setup</a></td>")
html.print("<td align=center width=15%><a href='ports'>Port Forwarding,<br>DHCP, and Services</a></td>")
html.print("<td align=center width=15%><a href='vpn'>Tunnel<br>Server</a></td>")
html.print("<td align=center width=15%><a href='vpnc'>Tunnel<br>Client</a></td>")
html.print("<td align=center width=15%><a href='admin'>Administration</a></td>")
html.print("<td align=center width=15% class=navbar_select><a href='advancedconfig'>Advanced<br>Configuration</a></td>")
html.print("</tr></table><hr>")
html.print("</td></tr>")
html.print("<tr><td align=center><a href='/help.html#advancedconfig' target='_blank'>Help</a>&nbsp;&nbsp;<input type=submit name=button_reboot value=Reboot style='font-weight:bold' title='Immediately reboot this node'>&nbsp;&nbsp;<input type=submit name=button_firstboot value='Reset to Firstboot' onclick=\"return confirm('All config settings and add-on packages will be lost back to first boot state. Continue?')\" title='Reset this node to the initial/firstboot status and reboot.'></td></tr>")
for _, m in ipairs(msgs)
do
html.print("<tr><td align='center'><strong>" .. m .. "</strong></td></tr>")
end
html.print([[
<tr><td align=center>
<table border=1>
<thead>
<tr>
<th>Help<br><small>(hover)</small></th>
<th>Config Setting</th>
<th>Value</th>
<th>Actions</th>
</tr>
</thead>
]])
-- settings
for i, setting in ipairs(settings)
do
if not setting.condition or loadstring("return " .. setting.condition)() then
local a, b, c = setting.key:match("(.+)%.(.+)%.(.*)")
local sval = cursor_get(a, b, c)
if not sval then
sval = ""
end
html.print([[<tr><td align="center"><span title="]] .. setting.desc .. [["><img src="/qmark.png" /></span></td><td>]] .. setting.key .. [[</td><td>]])
if setting.type == "string" then
html.print("<input type='text' id='field_" .. i .. "' name='newval_" .. i .. "' size='65' value='" .. sval .. "'>")
elseif setting.type == "boolean" and sval == "1" then
html.print("OFF<label class='switch'><input type='checkbox' id='field_" .. i .. "' name='newval_" .. i .."' value='1' checked><span class='slider round'></span></label>ON")
elseif setting.type == "boolean" and sval == "0" then
html.print("OFF<label class='switch'><input type='checkbox' id='field_" .. i .. "' name='newval_" .. i .. "' value='1'><span class='slider round'></span></label>ON")
elseif setting.type == "none" then
html.print("Click EXECUTE button to trigger this action<input type='hidden' id='field_" .. i .. "' name='newval_" .. i .."' value='" .. sval .."'>")
end
html.print("</td>")
if setting.type ~= "none" then
html.print("<td align='center'><input type='submit' name='button_save_" .. i .. "' value='Save Setting' /><br><br>")
else
html.print("<td align='center'><input type='submit' name='button_save_" .. i .. "' value='Execute' /><br><br>")
end
if setting.type == "string" then
html.print("<input value='Set to Default' type='button' onclick=\"document.getElementById('field_" .. i .. "').value='" .. setting.default .. "';\">")
elseif setting.type == "boolean" then
html.print("<input value='Set to Default' type='button' onclick=\"return toggleDefault('field_" .. i .. "', '" .. setting.default .. "' );\">")
end
html.print("</td></tr>")
end
end
html.print("</table></td></tr></table></form></center>")
html.footer()
html.print("</body></html>")
http_footer()