def _server(self, sock):
"""
Create a new server-side SSL `Connection` object wrapped around `sock`.
"""
# Create the server side Connection. This is mostly setup boilerplate
# - use TLSv1, use a particular certificate, etc.
server_ctx = Context(TLSv1_METHOD)
server_ctx.set_options(OP_NO_SSLv2 | OP_NO_SSLv3 | OP_SINGLE_DH_USE)
server_ctx.set_verify(
VERIFY_PEER | VERIFY_FAIL_IF_NO_PEER_CERT | VERIFY_CLIENT_ONCE,
verify_cb
)
server_store = server_ctx.get_cert_store()
server_ctx.use_privatekey(
load_privatekey(FILETYPE_PEM, server_key_pem))
server_ctx.use_certificate(
load_certificate(FILETYPE_PEM, server_cert_pem))
server_ctx.check_privatekey()
server_store.add_cert(load_certificate(FILETYPE_PEM, root_cert_pem))
# Here the Connection is actually created. If None is passed as the
# 2nd parameter, it indicates a memory BIO should be created.
server_conn = Connection(server_ctx, sock)
server_conn.set_accept_state()
return server_conn
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