mirror of https://github.com/aredn/aredn.git
110 lines
3.1 KiB
Lua
Executable File
110 lines
3.1 KiB
Lua
Executable File
#!/usr/bin/lua
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--[[
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Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
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Copyright (C) 2022 Tim Wilkinson
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See Contributors file for additional contributors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation version 3 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional Terms:
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Additional use restrictions exist on the AREDN(TM) trademark and logo.
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See AREDNLicense.txt for more info.
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Attributions to the AREDN Project must be retained in the source code.
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If importing this code into a new or existing project attribution
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to the AREDN project must be added to the source code.
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You must not misrepresent the origin of the material contained within.
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Modified versions must be modified to attribute to the original source
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and be marked in reasonable ways as differentiate it from the original
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version
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--]]
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local olsrd_conf = "/tmp/etc/olsrd.conf"
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-- Load olsrd.conf
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local lines = {}
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for line in io.lines(olsrd_conf)
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do
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lines[#lines + 1] = line
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end
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-- Generate validated name services
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local ns = {}
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for line in io.popen("/usr/local/bin/olsrd-config olsrd validate"):lines()
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do
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ns[#ns + 1] = line
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end
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table.remove(ns, 1) -- strip first line which is blank
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-- Locate merge point, then merge new validated services
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local change = false
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local i = 1
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while true
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do
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if lines[i] == 'LoadPlugin "olsrd_nameservice.so.0.4"' then
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local n = 1
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while i <= #lines and n <= #ns
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do
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if lines[i] ~= ns[n] then
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lines[i] = ns[n]
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change = true
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end
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i = i + 1
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n = n + 1
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end
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if i <= #lines then
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-- truncated
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while i <= #lines
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do
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table.remove(lines, #lines)
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end
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change = true
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end
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if n <= #ns then
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-- append
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while n <= #ns
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do
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lines[#lines + 1] = ns[n]
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n = n + 1
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end
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change = true
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end
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break
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end
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i = i + 1
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end
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-- If services have changed we need to update and restart olsrd
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if change then
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print("Change")
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local f = io.open(olsrd_conf, "w")
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if f then
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for _, line in ipairs(lines)
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do
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f:write(line .. "\n")
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end
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f:close()
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-- We use 'killall' to restart olsrd to stop if from regenerating the olsrd.conf file we
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-- just changed. We dont want to modify the standard process so these changes wont persist
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-- across restarts/reconfigurations but will only be applied daily when poor services are detected
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os.execute("/usr/bin/killall olsrd > /dev/null 2>&1")
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end
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else
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print("Unchange")
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end
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