diff options
| -rw-r--r-- | changelog.d/3907.bugfix | 1 | ||||
| -rw-r--r-- | synapse/http/endpoint.py | 13 |
2 files changed, 11 insertions, 3 deletions
diff --git a/changelog.d/3907.bugfix b/changelog.d/3907.bugfix new file mode 100644 index 0000000000..45e010c052 --- /dev/null +++ b/changelog.d/3907.bugfix @@ -0,0 +1 @@ +Fix incorrect server-name indication for outgoing federation requests \ No newline at end of file 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: |