prop224: Introduce the new introduction point code.

(pun not intended)

Now our code supports both legacy and prop224 ESTABLISH_INTRO cells :)

hs_intro_received_establish_intro() is the new entry point.

1 files changed, 40 insertions, 0 deletions

diff --git a/src/or/hs_intropoint.h b/src/or/hs_intropoint.h
new file mode 100644
index 0000000000..651e2dcc0f
--- /dev/null
+++ b/src/or/hs_intropoint.h
@@ -0,0 +1,40 @@
+/* Copyright (c) 2016, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file hs_intropoint.h
+ * \brief Header file for hs_intropoint.c.
+ **/
+
+#ifndef TOR_HS_INTRO_H
+#define TOR_HS_INTRO_H
+
+/* Authentication key type in an ESTABLISH_INTRO cell. */
+enum hs_intro_auth_key_type {
+  HS_INTRO_AUTH_KEY_TYPE_LEGACY0 = 0x00,
+  HS_INTRO_AUTH_KEY_TYPE_LEGACY1 = 0x01,
+  HS_INTRO_AUTH_KEY_TYPE_ED25519 = 0x02,
+};
+
+int hs_intro_received_establish_intro(or_circuit_t *circ, const uint8_t *request,
+                                size_t request_len);
+
+MOCK_DECL(int, hs_intro_send_intro_established_cell,(or_circuit_t *circ));
+
+/* also used by rendservice.c */
+int hs_intro_circuit_is_suitable(const or_circuit_t *circ);
+
+#ifdef HS_INTROPOINT_PRIVATE
+
+STATIC int
+verify_establish_intro_cell(const hs_cell_establish_intro_t *out,
+                            const char *circuit_key_material,
+                            size_t circuit_key_material_len);
+
+STATIC void
+get_auth_key_from_establish_intro_cell(ed25519_public_key_t *auth_key_out,
+                                       const hs_cell_establish_intro_t *cell);
+
+#endif /* HS_INTROPOINT_PRIVATE */
+
+#endif /* TOR_HS_INTRO_H */