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[tor-commits] [tor/master] Hiding crypt_path_t: Move assert functions in crypt_path.c.
commit 9584798e57f2e5525e01b8bec51de61ff0c256b9
Author: George Kadianakis <desnacked@xxxxxxxxxx>
Date: Mon Apr 8 12:46:40 2019 +0300
Hiding crypt_path_t: Move assert functions in crypt_path.c.
This commit only moves code, and makes one function public.
---
src/core/include.am | 2 ++
src/core/mainloop/connection.c | 1 +
src/core/or/circuitlist.c | 54 +-----------------------------
src/core/or/circuitlist.h | 1 -
src/core/or/crypt_path.c | 74 ++++++++++++++++++++++++++++++++++++++++++
src/core/or/crypt_path.h | 11 +++++++
6 files changed, 89 insertions(+), 54 deletions(-)
diff --git a/src/core/include.am b/src/core/include.am
index 9493f7955..8435ce041 100644
--- a/src/core/include.am
+++ b/src/core/include.am
@@ -39,6 +39,7 @@ LIBTOR_APP_A_SOURCES = \
src/core/or/circuitpadding.c \
src/core/or/circuitstats.c \
src/core/or/circuituse.c \
+ src/core/or/crypt_path.c \
src/core/or/command.c \
src/core/or/connection_edge.c \
src/core/or/connection_or.c \
@@ -247,6 +248,7 @@ noinst_HEADERS += \
src/core/or/connection_edge.h \
src/core/or/connection_or.h \
src/core/or/connection_st.h \
+ src/core/or/crypt_path.h \
src/core/or/cpath_build_state_st.h \
src/core/or/crypt_path_reference_st.h \
src/core/or/crypt_path_st.h \
diff --git a/src/core/mainloop/connection.c b/src/core/mainloop/connection.c
index 30504e4ed..f6adfa765 100644
--- a/src/core/mainloop/connection.c
+++ b/src/core/mainloop/connection.c
@@ -82,6 +82,7 @@
#include "core/or/policies.h"
#include "core/or/reasons.h"
#include "core/or/relay.h"
+#include "core/or/crypt_path.h"
#include "core/proto/proto_http.h"
#include "core/proto/proto_socks.h"
#include "feature/client/dnsserv.h"
diff --git a/src/core/or/circuitlist.c b/src/core/or/circuitlist.c
index 6428cdb8a..ee9e89f38 100644
--- a/src/core/or/circuitlist.c
+++ b/src/core/or/circuitlist.c
@@ -63,6 +63,7 @@
#include "core/or/circuituse.h"
#include "core/or/circuitstats.h"
#include "core/or/circuitpadding.h"
+#include "core/or/crypt_path.h"
#include "core/mainloop/connection.h"
#include "app/config/config.h"
#include "core/or/connection_edge.h"
@@ -2785,59 +2786,6 @@ circuits_handle_oom(size_t current_allocation)
n_dirconns_killed);
}
-/** Verify that cpath layer <b>cp</b> has all of its invariants
- * correct. Trigger an assert if anything is invalid.
- */
-void
-assert_cpath_layer_ok(const crypt_path_t *cp)
-{
-// tor_assert(cp->addr); /* these are zero for rendezvous extra-hops */
-// tor_assert(cp->port);
- tor_assert(cp);
- tor_assert(cp->magic == CRYPT_PATH_MAGIC);
- switch (cp->state)
- {
- case CPATH_STATE_OPEN:
- relay_crypto_assert_ok(&cp->crypto);
- /* fall through */
- case CPATH_STATE_CLOSED:
- /*XXXX Assert that there's no handshake_state either. */
- tor_assert(!cp->rend_dh_handshake_state);
- break;
- case CPATH_STATE_AWAITING_KEYS:
- /* tor_assert(cp->dh_handshake_state); */
- break;
- default:
- log_fn(LOG_ERR, LD_BUG, "Unexpected state %d", cp->state);
- tor_assert(0);
- }
- tor_assert(cp->package_window >= 0);
- tor_assert(cp->deliver_window >= 0);
-}
-
-/** Verify that cpath <b>cp</b> has all of its invariants
- * correct. Trigger an assert if anything is invalid.
- */
-static void
-assert_cpath_ok(const crypt_path_t *cp)
-{
- const crypt_path_t *start = cp;
-
- do {
- assert_cpath_layer_ok(cp);
- /* layers must be in sequence of: "open* awaiting? closed*" */
- if (cp != start) {
- if (cp->state == CPATH_STATE_AWAITING_KEYS) {
- tor_assert(cp->prev->state == CPATH_STATE_OPEN);
- } else if (cp->state == CPATH_STATE_OPEN) {
- tor_assert(cp->prev->state == CPATH_STATE_OPEN);
- }
- }
- cp = cp->next;
- tor_assert(cp);
- } while (cp != start);
-}
-
/** Verify that circuit <b>c</b> has all of its invariants
* correct. Trigger an assert if anything is invalid.
*/
diff --git a/src/core/or/circuitlist.h b/src/core/or/circuitlist.h
index f34f4ed6b..a50e23716 100644
--- a/src/core/or/circuitlist.h
+++ b/src/core/or/circuitlist.h
@@ -228,7 +228,6 @@ int circuit_count_pending_on_channel(channel_t *chan);
#define circuit_mark_for_close(c, reason) \
circuit_mark_for_close_((c), (reason), __LINE__, SHORT_FILE__)
-void assert_cpath_layer_ok(const crypt_path_t *cp);
MOCK_DECL(void, assert_circuit_ok,(const circuit_t *c));
void circuit_free_all(void);
void circuits_handle_oom(size_t current_allocation);
diff --git a/src/core/or/crypt_path.c b/src/core/or/crypt_path.c
new file mode 100644
index 000000000..d4fc59630
--- /dev/null
+++ b/src/core/or/crypt_path.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2019, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file crypt_path.c
+ *
+ * \brief Functions dealing with layered circuit encryption. This file aims to
+ * provide an API around the crypt_path_t structure which holds crypto
+ * information about a specific hop of a circuit.
+ **/
+
+#define CRYPT_PATH_PRIVATE
+
+#include "core/or/or.h"
+#include "core/or/crypt_path.h"
+
+#include "core/crypto/relay_crypto.h"
+
+#include "core/or/crypt_path_st.h"
+
+/** Verify that cpath <b>cp</b> has all of its invariants
+ * correct. Trigger an assert if anything is invalid.
+ */
+void
+assert_cpath_ok(const crypt_path_t *cp)
+{
+ const crypt_path_t *start = cp;
+
+ do {
+ assert_cpath_layer_ok(cp);
+ /* layers must be in sequence of: "open* awaiting? closed*" */
+ if (cp != start) {
+ if (cp->state == CPATH_STATE_AWAITING_KEYS) {
+ tor_assert(cp->prev->state == CPATH_STATE_OPEN);
+ } else if (cp->state == CPATH_STATE_OPEN) {
+ tor_assert(cp->prev->state == CPATH_STATE_OPEN);
+ }
+ }
+ cp = cp->next;
+ tor_assert(cp);
+ } while (cp != start);
+}
+
+/** Verify that cpath layer <b>cp</b> has all of its invariants
+ * correct. Trigger an assert if anything is invalid.
+ */
+void
+assert_cpath_layer_ok(const crypt_path_t *cp)
+{
+// tor_assert(cp->addr); /* these are zero for rendezvous extra-hops */
+// tor_assert(cp->port);
+ tor_assert(cp);
+ tor_assert(cp->magic == CRYPT_PATH_MAGIC);
+ switch (cp->state)
+ {
+ case CPATH_STATE_OPEN:
+ relay_crypto_assert_ok(&cp->crypto);
+ /* fall through */
+ case CPATH_STATE_CLOSED:
+ /*XXXX Assert that there's no handshake_state either. */
+ tor_assert(!cp->rend_dh_handshake_state);
+ break;
+ case CPATH_STATE_AWAITING_KEYS:
+ /* tor_assert(cp->dh_handshake_state); */
+ break;
+ default:
+ log_fn(LOG_ERR, LD_BUG, "Unexpected state %d", cp->state);
+ tor_assert(0);
+ }
+ tor_assert(cp->package_window >= 0);
+ tor_assert(cp->deliver_window >= 0);
+}
+
diff --git a/src/core/or/crypt_path.h b/src/core/or/crypt_path.h
new file mode 100644
index 000000000..a9b9aae43
--- /dev/null
+++ b/src/core/or/crypt_path.h
@@ -0,0 +1,11 @@
+/**
+ * \file crypt_path.h
+ * \brief Header file for crypt_path.c.
+ **/
+
+/* rename */
+void assert_cpath_layer_ok(const crypt_path_t *cp);
+
+/* rename */
+void assert_cpath_ok(const crypt_path_t *cp);
+
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