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net/resolvers/chain.lua @ 12482:b193f8a2737e
mod_tls: Do not offer TLS if the connection is considered secure
This may be necessary if the session.conn object is not exchanged by the
network backend when establishing TLS. In that case, the starttls method
will always exist and thus that is not a good indicator for offering
TLS.
However, the secure bit already tells us that TLS has been established
or is not to be established on the connection, so we use that instead.
author | Jonas Schäfer <jonas@wielicki.name> |
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date | Fri, 17 Sep 2021 21:18:30 +0200 |
parent | 12204:7c397a49d163 |
rev | line source |
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12204
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net.resolvers.chain: A resolver for combining other resolvers
Kim Alvefur <zash@zash.se>
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1 |
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2 local methods = {}; |
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3 local resolver_mt = { __index = methods }; |
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4 |
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5 -- Find the next target to connect to, and |
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6 -- pass it to cb() |
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7 function methods:next(cb) |
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8 if self.resolvers then |
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9 if not self.resolver then |
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10 if #self.resolvers == 0 then |
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11 cb(nil); |
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12 return; |
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13 end |
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14 local next_resolver = table.remove(self.resolvers, 1); |
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15 self.resolver = next_resolver; |
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16 end |
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17 self.resolver:next(function (...) |
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18 if self.resolver then |
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19 self.last_error = self.resolver.last_error; |
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20 end |
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21 if ... == nil then |
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22 self.resolver = nil; |
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23 self:next(cb); |
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24 else |
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25 cb(...); |
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26 end |
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27 end); |
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28 return; |
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29 end |
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30 end |
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31 |
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32 local function new(resolvers) |
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33 return setmetatable({ resolvers = resolvers }, resolver_mt); |
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34 end |
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35 |
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36 return { |
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37 new = new; |
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38 }; |