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authorErik Johnston <erik@matrix.org>2018-09-19 15:08:36 +0100
committerErik Johnston <erik@matrix.org>2018-09-19 15:08:36 +0100
commitce846bb620e9866531f4a49f183fdd3cbb3f1eeb (patch)
treeed38561118af50948598967e17ad6a7f1fee8a8c /synapse/http/endpoint.py
parentNewsfile (diff)
parentMerge pull request #3910 from matrix-org/erikj/update_timeout (diff)
downloadsynapse-ce846bb620e9866531f4a49f183fdd3cbb3f1eeb.tar.xz
Merge branch 'develop' of github.com:matrix-org/synapse into erikj/faster_typing
Diffstat (limited to 'synapse/http/endpoint.py')
-rw-r--r--synapse/http/endpoint.py13
1 files changed, 10 insertions, 3 deletions
diff --git a/synapse/http/endpoint.py b/synapse/http/endpoint.py
index b0c9369519..91025037a3 100644
--- a/synapse/http/endpoint.py
+++ b/synapse/http/endpoint.py
@@ -108,7 +108,7 @@ def matrix_federation_endpoint(reactor, destination, tls_client_options_factory=
 
     Args:
         reactor: Twisted reactor.
-        destination (bytes): The name of the server to connect to.
+        destination (unicode): The name of the server to connect to.
         tls_client_options_factory
             (synapse.crypto.context_factory.ClientTLSOptionsFactory):
             Factory which generates TLS options for client connections.
@@ -126,10 +126,17 @@ def matrix_federation_endpoint(reactor, destination, tls_client_options_factory=
         transport_endpoint = HostnameEndpoint
         default_port = 8008
     else:
+        # the SNI string should be the same as the Host header, minus the port.
+        # as per https://github.com/matrix-org/synapse/issues/2525#issuecomment-336896777,
+        # the Host header and SNI should therefore be the server_name of the remote
+        # server.
+        tls_options = tls_client_options_factory.get_options(domain)
+
         def transport_endpoint(reactor, host, port, timeout):
             return wrapClientTLS(
-                tls_client_options_factory.get_options(host),
-                HostnameEndpoint(reactor, host, port, timeout=timeout))
+                tls_options,
+                HostnameEndpoint(reactor, host, port, timeout=timeout),
+            )
         default_port = 8448
 
     if port is None: