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ircd::server: Fix port number propagation conditions across resolution handlers.

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ircd::server: Condition to skip SRV when explicit port number specified.
This commit is contained in:
Jason Volk 2020-03-06 10:56:20 -08:00
parent 0e25a2e055
commit adcf3215f1
1 changed files with 15 additions and 13 deletions
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28
ircd/server.cc
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@ -1212,7 +1212,7 @@ ircd::server::peer::resolve(const hostport &hostport)
net::dns::opts opts;
// Figure out the initial query type. Most of the time it's SRV.
opts.qtype = net::service(hostport)?
opts.qtype = net::service(hostport) && !net::port(hostport)?
33: // SRV
peer::enable_ipv6 && net::enable_ipv6?
28: // AAAA
@ -1317,16 +1317,18 @@ try
}
// Target for the next address record query.
const hostport &target
{
rr.has("tgt")?
rstrip(unquote(rr.at("tgt")), '.'):
host(hp),
const hostport &target
{
rr.has("tgt")?
rstrip(unquote(rr.at("tgt")), '.'):
host(hp),
rr.has("port")?
rr.get<uint16_t>("port"):
port(hp)
};
rr.has("port")?
rr.get<uint16_t>("port"):
port(remote)?
port(remote):
port(hp)
};
// Save the port from the SRV record to a class member because it won't
// get carried through the next A/AAAA query.
@ -1409,7 +1411,7 @@ try
assert(!net::dns::is_error(rr));
this->remote = net::ipport
{
unquote(rr.at("ip")), net::port(this->remote)
unquote(rr.at("ip")), port(this->remote)?: port(target)
};
open_opts.ipport = this->remote;
@ -1431,7 +1433,7 @@ catch(const std::exception &e)
}
void
ircd::server::peer::handle_resolve_A(const hostport &,
ircd::server::peer::handle_resolve_A(const hostport &target,
const json::array &rrs)
try
{
@ -1473,7 +1475,7 @@ try
// Save the results of the query to this object instance.
this->remote = net::ipport
{
unquote(rr.at("ip")), net::port(this->remote)
unquote(rr.at("ip")), port(this->remote)?: port(target)
};
open_opts.ipport = this->remote;