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fix LUA DNS code when answers is nil

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bunkerity 2020-12-02 10:00:16 +01:00
parent 2f23671c3b
commit 791342cbe6
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GPG Key ID: 654FFF51CEF7CC47
1 changed files with 6 additions and 4 deletions
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4
lua/dns.lua
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@ -10,7 +10,7 @@ function M.get_reverse()
end end
local rdns = "" local rdns = ""
local answers, err = r:reverse_query(ip) local answers, err = r:reverse_query(ip)
if not answers.errcode then if answers ~= nil and not answers.errcode then
for ak, av in ipairs(answers) do for ak, av in ipairs(answers) do
if av.ptrdname then if av.ptrdname then
rdns = av.ptrdname rdns = av.ptrdname
@ -28,11 +28,13 @@ function M.get_ips(fqdn)
end end
local ips = {} local ips = {}
local answers, err, tries = r:query(fqdn, nil, {}) local answers, err, tries = r:query(fqdn, nil, {})
if answers ~= nil then
for ak, av in ipairs(answers) do for ak, av in ipairs(answers) do
if av.address then if av.address then
table.insert(ips, av.address) table.insert(ips, av.address)
end end
end end
end
return ips return ips
end end