diff options
Diffstat (limited to 'net/dns.lua')
-rw-r--r-- | net/dns.lua | 59 |
1 files changed, 25 insertions, 34 deletions
diff --git a/net/dns.lua b/net/dns.lua index c50e893c..ca5f3c62 100644 --- a/net/dns.lua +++ b/net/dns.lua @@ -183,7 +183,7 @@ end function dns.random(...) -- - - - - - - - - - - - - - - - - - - dns.random - math.randomseed(10000*socket.gettime()); + math.randomseed(math.floor(10000*socket.gettime())); dns.random = math.random; return dns.random(...); end @@ -594,17 +594,18 @@ end function resolver:remember(rr, type) -- - - - - - - - - - - - - - remember --print ('remember', type, rr.class, rr.type, rr.name) + local qname, qtype, qclass = standardize(rr.name, rr.type, rr.class); if type ~= '*' then - type = rr.type; - local all = get(self.cache, rr.class, '*', rr.name); + type = qtype; + local all = get(self.cache, qclass, '*', qname); --print('remember all', all); if all then append(all, rr); end end self.cache = self.cache or setmetatable({}, cache_metatable); - local rrs = get(self.cache, rr.class, type, rr.name) or - set(self.cache, rr.class, type, rr.name, setmetatable({}, rrs_metatable)); + local rrs = get(self.cache, qclass, type, qname) or + set(self.cache, qclass, type, qname, setmetatable({}, rrs_metatable)); append(rrs, rr); if type == 'MX' then self.unsorted[rrs] = true; end @@ -726,7 +727,7 @@ function resolver:receive(rset) -- - - - - - - - - - - - - - - - - receive local packet = sock:receive(); if packet then response = self:decode(packet); - if response and self.active[response.header.id] + if response and self.active[response.header.id] and self.active[response.header.id][response.question.raw] then --print('received response'); --self.print(response); @@ -745,7 +746,7 @@ function resolver:receive(rset) -- - - - - - - - - - - - - - - - - receive if not next(self.active) then self:closeall(); end -- was the query on the wanted list? - local q = response.question; + local q = response.question[1]; local cos = get(self.wanted, q.class, q.type, q.name); if cos then for co in pairs(cos) do @@ -768,21 +769,18 @@ function resolver:feed(sock, packet) self.time = socket.gettime(); local response = self:decode(packet); - if response then + if response and self.active[response.header.id] + and self.active[response.header.id][response.question.raw] then --print('received response'); --self.print(response); - for i,section in pairs({ 'answer', 'authority', 'additional' }) do - for j,rr in pairs(response[section]) do - self:remember(rr, response.question[1].type); - end + for j,rr in pairs(response.answer) do + self:remember(rr, response.question[1].type); end -- retire the query local queries = self.active[response.header.id]; - if queries[response.question.raw] then - queries[response.question.raw] = nil; - end + queries[response.question.raw] = nil; if not next(queries) then self.active[response.header.id] = nil; end if not next(self.active) then self:closeall(); end @@ -915,11 +913,6 @@ end -- module api ------------------------------------------------------ module api -local function resolve(func, ...) -- - - - - - - - - - - - - - resolver_get - return func(dns._resolver, ...); -end - - function dns.resolver () -- - - - - - - - - - - - - - - - - - - - - resolver -- this function seems to be redundant with resolver.new () @@ -930,37 +923,35 @@ function dns.resolver () -- - - - - - - - - - - - - - - - - - - - - resolver return r; end +local _resolver = dns.resolver(); +dns._resolver = _resolver; function dns.lookup(...) -- - - - - - - - - - - - - - - - - - - - - lookup - return resolve(resolver.lookup, ...); + return _resolver:lookup(...); end - function dns.purge(...) -- - - - - - - - - - - - - - - - - - - - - - purge - return resolve(resolver.purge, ...); + return _resolver:purge(...); end function dns.peek(...) -- - - - - - - - - - - - - - - - - - - - - - - peek - return resolve(resolver.peek, ...); + return _resolver:peek(...); end - function dns.query(...) -- - - - - - - - - - - - - - - - - - - - - - query - return resolve(resolver.query, ...); + return _resolver:query(...); end -function dns.feed(...) -- - - - - - - - - - - - - - - - - - - - - - feed - return resolve(resolver.feed, ...); +function dns.feed(...) -- - - - - - - - - - - - - - - - - - - - - - - feed + return _resolver:feed(...); end -function dns.cancel(...) -- - - - - - - - - - - - - - - - - - - - - - cancel - return resolve(resolver.cancel, ...); +function dns.cancel(...) -- - - - - - - - - - - - - - - - - - - - - - cancel + return _resolver:cancel(...); end -function dns:socket_wrapper_set(...) -- - - - - - - - - socket_wrapper_set - return resolve(resolver.socket_wrapper_set, ...); +function dns.socket_wrapper_set(...) -- - - - - - - - - socket_wrapper_set + return _resolver:socket_wrapper_set(...); end -dns._resolver = dns.resolver(); - return dns; |