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Use nixio.getnameinfo rather than our own nslookup hack (#1201)

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Tim Wilkinson 2024-05-14 11:20:08 -07:00 committed by GitHub
parent 650e26667c
commit 3d3dbc5040
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1 changed files with 1 additions and 22 deletions
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23
files/usr/lib/lua/aredn/services.lua
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@ -45,27 +45,6 @@ require("uci")
local validation_timeout = 150 * 60 -- 2.5 hours (so must fail 3 times in a row)
local validation_state = "/tmp/service-validation-state"
local function ip_to_hostname(ip)
if ip and ip ~= "" and ip ~= "none" then
local a, b, c, d = ip:match("(.*)%.(.*)%.(.*)%.(.*)")
local revip = d .. "." .. c .. "." .. b .. "." .. a
local f = io.popen("nslookup " .. ip)
if f then
local pattern = "^" .. revip .. "%.in%-addr%.arpa%s+name%s+=%s+(%S+)%.local%.mesh"
for line in f:lines()
do
local host = line:match(pattern)
if host then
f:close()
return host
end
end
f:close()
end
end
return ""
end
--
-- Get all the known node names, host and services
-- with optional validation
@ -113,7 +92,7 @@ local function get(validate)
do
local ip = line:match("[0-9a-fA-F:]+%s+([%d%.]+)")
if ip and not noprop_ip[ip] then
local host = ip_to_hostname(ip)
local host = nixio.getnameinfo(ip)
if host then
hosts[#hosts + 1] = { ip = ip, host = host }
end