1 files changed, 90 insertions, 0 deletions
diff --git a/src/feature/relay/relay_handshake.h b/src/feature/relay/relay_handshake.h
new file mode 100644
index 0000000000..99a658cbcc
--- /dev/null
+++ b/src/feature/relay/relay_handshake.h
@@ -0,0 +1,90 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2020, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * @file relay_handshake.h
+ * @brief Header for feature/relay/relay_handshake.c
+ **/
+
+#ifndef TOR_CORE_OR_RELAY_HANDSHAKE_H
+#define TOR_CORE_OR_RELAY_HANDSHAKE_H
+
+#ifdef HAVE_MODULE_RELAY
+struct ed25519_keypair_t;
+
+int connection_or_send_certs_cell(or_connection_t *conn);
+int connection_or_send_auth_challenge_cell(or_connection_t *conn);
+
+var_cell_t *connection_or_compute_authenticate_cell_body(
+                              or_connection_t *conn,
+                              const int authtype,
+                              crypto_pk_t *signing_key,
+                              const struct ed25519_keypair_t *ed_signing_key,
+                              int server);
+
+int authchallenge_type_is_supported(uint16_t challenge_type);
+int authchallenge_type_is_better(uint16_t challenge_type_a,
+                                 uint16_t challenge_type_b);
+
+MOCK_DECL(int,connection_or_send_authenticate_cell,
+          (or_connection_t *conn, int type));
+
+#ifdef TOR_UNIT_TESTS
+extern int certs_cell_ed25519_disabled_for_testing;
+#endif
+#else /* !defined(HAVE_MODULE_RELAY) */
+
+static inline int
+connection_or_send_certs_cell(or_connection_t *conn)
+{
+  (void)conn;
+  tor_assert_nonfatal_unreached();
+  return -1;
+}
+static inline int
+connection_or_send_auth_challenge_cell(or_connection_t *conn)
+{
+  (void)conn;
+  tor_assert_nonfatal_unreached();
+  return -1;
+}
+
+static inline var_cell_t *
+connection_or_compute_authenticate_cell_body(
+                              or_connection_t *conn,
+                              const int authtype,
+                              crypto_pk_t *signing_key,
+                              const struct ed25519_keypair_t *ed_signing_key,
+                              int server)
+{
+  (void)conn;
+  (void)authtype;
+  (void)signing_key;
+  (void)ed_signing_key;
+  (void)server;
+  tor_assert_nonfatal_unreached();
+  return NULL;
+}
+
+#define authchallenge_type_is_supported(t) (0)
+#define authchallenge_type_is_better(a, b) (0)
+
+static inline int
+connection_or_send_authenticate_cell(or_connection_t *conn, int type)
+{
+  (void)conn;
+  (void)type;
+  tor_assert_nonfatal_unreached();
+  return -1;
+}
+
+#ifdef TOR_UNIT_TESTS
+extern int certs_cell_ed25519_disabled_for_testing;
+#endif
+
+#endif /* defined(HAVE_MODULE_RELAY) */
+
+#endif /* !defined(TOR_CORE_OR_RELAY_HANDSHAKE_H) */