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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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10
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
@ -28,9 +28,11 @@ 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, {})
for ak, av in ipairs(answers) do if answers ~= nil then
if av.address then for ak, av in ipairs(answers) do
table.insert(ips, av.address) if av.address then
table.insert(ips, av.address)
end
end end
end end
return ips return ips