diff options
| -rw-r--r-- | core/s2smanager.lua | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/core/s2smanager.lua b/core/s2smanager.lua index b42662f3..4113ae60 100644 --- a/core/s2smanager.lua +++ b/core/s2smanager.lua @@ -37,7 +37,7 @@ local sha256_hash = require "util.hashes".sha256; local dialback_secret = uuid_gen(); -local adns = require "net.adns"; +local adns, dns = require "net.adns", require "net.dns"; local dns_timeout = config.get("*", "core", "dns_timeout") or 60; @@ -240,6 +240,16 @@ function try_connect(host_session, connect_host, connect_port) handle = adns.lookup(function (reply) handle = nil; host_session.connecting = nil; + + -- COMPAT: This is a compromise for all you CNAME-(ab)users :) + if not (reply and reply[1] and reply[1].a) then + reply = dns.peek(connect_host, "CNAME", "IN"); + while reply and reply[1] and not reply[1].a and reply[1].cname do + reply = dns.peek(reply[1].cname, "A", "IN") or dns.peek(reply[1].cname, "CNAME", "IN"); + end + end + -- end of CNAME resolving + if reply and reply[1] and reply[1].a then log("debug", "DNS reply for %s gives us %s", connect_host, reply[1].a); return make_connect(host_session, reply[1].a, connect_port); |