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Add support for returning non authoritative answers as packets

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patrik
2012-04-21 21:36:51 +00:00
parent 7cd9a0f2d2
commit 86f58e1090
1 changed files with 4 additions and 1 deletions
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5
nselib/dns.lua
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@@ -204,7 +204,7 @@ local function processResponse( response, dname, dtype, options )
else else
return findNiceAnswer(dtype, rPkt, options.retAll) return findNiceAnswer(dtype, rPkt, options.retAll)
end end
else -- if not, ask the next server in authority elseif ( not(options.noauth) ) then -- if not, ask the next server in authority
local next_server = getAuthDns(rPkt) local next_server = getAuthDns(rPkt)
@@ -222,6 +222,8 @@ local function processResponse( response, dname, dtype, options )
options.tries = options.tries - 1 options.tries = options.tries - 1
return query(dname, options) return query(dname, options)
end end
elseif ( options.retPkt ) then
return true, rPkt
end end
-- nothing worked -- nothing worked
@@ -241,6 +243,7 @@ end
-- * <code>retAll</code>: Return all answers, not just the first. -- * <code>retAll</code>: Return all answers, not just the first.
-- * <code>retPkt</code>: Return the packet instead of using the answer-fetching mechanism. -- * <code>retPkt</code>: Return the packet instead of using the answer-fetching mechanism.
-- * <code>norecurse</code>: If true, do not set the recursion (RD) flag. -- * <code>norecurse</code>: If true, do not set the recursion (RD) flag.
-- * <code>noauth</code>: If true, do not try to find authoritative server
-- * <code>multiple</code>: If true, expects multiple hosts to respond to multicast request -- * <code>multiple</code>: If true, expects multiple hosts to respond to multicast request
-- * <code>flags</code>: numeric value to set flags in the DNS query to a specific value -- * <code>flags</code>: numeric value to set flags in the DNS query to a specific value
-- * <code>id</code>: numeric value to use for the DNS transaction id -- * <code>id</code>: numeric value to use for the DNS transaction id