end
open_sessions = open_sessions + 1;
local w, log = conn.write, logger_init("s2sin"..tostring(conn):match("[a-f0-9]+$"));
- session.log = log;
session.sends2s = function (t) log("debug", "sending: %s", tostring(t)); w(tostring(t)); end
incoming_s2s[session] = true;
add_task(connect_timeout, function ()
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
+ if not (reply and reply[#reply] and reply[#reply].a) then
local count = max_dns_depth;
reply = dns.peek(connect_host, "CNAME", "IN");
- while count > 0 and reply and reply[1] and not reply[1].a and reply[1].cname do
- log("debug", "Looking up %s (DNS depth is %d)", tostring(reply[1].cname), count);
- reply = dns.peek(reply[1].cname, "A", "IN") or dns.peek(reply[1].cname, "CNAME", "IN");
+ while count > 0 and reply and reply[#reply] and not reply[#reply].a and reply[#reply].cname do
+ log("debug", "Looking up %s (DNS depth is %d)", tostring(reply[#reply].cname), count);
+ reply = dns.peek(reply[#reply].cname, "A", "IN") or dns.peek(reply[#reply].cname, "CNAME", "IN");
count = count - 1;
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);
+ if reply and reply[#reply] and reply[#reply].a then
+ log("debug", "DNS reply for %s gives us %s", connect_host, reply[#reply].a);
+ return make_connect(host_session, reply[#reply].a, connect_port);
else
log("debug", "DNS lookup failed to get a response for %s", connect_host);
if not attempt_connection(host_session, "name resolution failed") then -- Retry if we can