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[tor-commits] [tor/master] Add unittest for HiddenServiceExportCircuitID.



commit b2092f1ced891737d83915f027b6776882d256b5
Author: George Kadianakis <desnacked@xxxxxxxxxx>
Date:   Sat Sep 15 16:33:05 2018 +0300

    Add unittest for HiddenServiceExportCircuitID.
    
    Had to move a function to test helpers.
---
 src/core/or/or.h           |  1 +
 src/test/test_extorport.c  | 17 +----------
 src/test/test_helpers.c    | 19 +++++++++++++
 src/test/test_helpers.h    |  3 ++
 src/test/test_hs_service.c | 70 ++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 94 insertions(+), 16 deletions(-)

diff --git a/src/core/or/or.h b/src/core/or/or.h
index eae027012..efc124fa6 100644
--- a/src/core/or/or.h
+++ b/src/core/or/or.h
@@ -26,6 +26,7 @@
 #include "lib/cc/compat_compiler.h"
 #include "lib/cc/torint.h"
 #include "lib/container/map.h"
+#include "lib/container/buffers.h"
 #include "lib/container/smartlist.h"
 #include "lib/crypt_ops/crypto_cipher.h"
 #include "lib/crypt_ops/crypto_rsa.h"
diff --git a/src/test/test_extorport.c b/src/test/test_extorport.c
index ff987563c..7babc81ee 100644
--- a/src/test/test_extorport.c
+++ b/src/test/test_extorport.c
@@ -17,6 +17,7 @@
 #include "core/or/or_connection_st.h"
 
 #include "test/test.h"
+#include "test/test_helpers.h"
 
 #ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
@@ -89,22 +90,6 @@ connection_write_to_buf_impl_replacement(const char *string, size_t len,
   buf_add(conn->outbuf, string, len);
 }
 
-static char *
-buf_get_contents(buf_t *buf, size_t *sz_out)
-{
-  char *out;
-  *sz_out = buf_datalen(buf);
-  if (*sz_out >= ULONG_MAX)
-    return NULL; /* C'mon, really? */
-  out = tor_malloc(*sz_out + 1);
-  if (buf_get_bytes(buf, out, (unsigned long)*sz_out) != 0) {
-    tor_free(out);
-    return NULL;
-  }
-  out[*sz_out] = '\0'; /* Hopefully gratuitous. */
-  return out;
-}
-
 static void
 test_ext_or_write_command(void *arg)
 {
diff --git a/src/test/test_helpers.c b/src/test/test_helpers.c
index c9138611d..a10821956 100644
--- a/src/test/test_helpers.c
+++ b/src/test/test_helpers.c
@@ -125,6 +125,25 @@ connection_write_to_buf_mock(const char *string, size_t len,
   buf_add(conn->outbuf, string, len);
 }
 
+char *
+buf_get_contents(buf_t *buf, size_t *sz_out)
+{
+  tor_assert(buf);
+  tor_assert(sz_out);
+
+  char *out;
+  *sz_out = buf_datalen(buf);
+  if (*sz_out >= ULONG_MAX)
+    return NULL; /* C'mon, really? */
+  out = tor_malloc(*sz_out + 1);
+  if (buf_get_bytes(buf, out, (unsigned long)*sz_out) != 0) {
+    tor_free(out);
+    return NULL;
+  }
+  out[*sz_out] = '\0'; /* Hopefully gratuitous. */
+  return out;
+}
+
 /* Set up a fake origin circuit with the specified number of cells,
  * Return a pointer to the newly-created dummy circuit */
 circuit_t *
diff --git a/src/test/test_helpers.h b/src/test/test_helpers.h
index 3196c93e6..72bf7f2f7 100644
--- a/src/test/test_helpers.h
+++ b/src/test/test_helpers.h
@@ -4,6 +4,8 @@
 #ifndef TOR_TEST_HELPERS_H
 #define TOR_TEST_HELPERS_H
 
+#define BUFFERS_PRIVATE
+
 #include "core/or/or.h"
 
 const char *get_yesterday_date_str(void);
@@ -18,6 +20,7 @@ void helper_setup_fake_routerlist(void);
 #define GET(path) "GET " path " HTTP/1.0\r\n\r\n"
 void connection_write_to_buf_mock(const char *string, size_t len,
                                   connection_t *conn, int compressed);
+char *buf_get_contents(buf_t *buf, size_t *sz_out);
 
 int mock_tor_addr_lookup__fail_on_bad_addrs(const char *name,
                                             uint16_t family, tor_addr_t *out);
diff --git a/src/test/test_hs_service.c b/src/test/test_hs_service.c
index bceeafd14..0a1c866d6 100644
--- a/src/test/test_hs_service.c
+++ b/src/test/test_hs_service.c
@@ -10,6 +10,7 @@
 #define CIRCUITLIST_PRIVATE
 #define CONFIG_PRIVATE
 #define CONNECTION_PRIVATE
+#define CONNECTION_EDGE_PRIVATE
 #define CRYPTO_PRIVATE
 #define HS_COMMON_PRIVATE
 #define HS_SERVICE_PRIVATE
@@ -33,6 +34,9 @@
 #include "core/or/circuitbuild.h"
 #include "core/or/circuitlist.h"
 #include "core/or/circuituse.h"
+#include "core/mainloop/connection.h"
+#include "core/or/connection_edge.h"
+#include "core/or/edge_connection_st.h"
 #include "lib/crypt_ops/crypto_rand.h"
 #include "lib/fs/dir.h"
 #include "feature/dirauth/dirvote.h"
@@ -2003,6 +2007,70 @@ test_authorized_client_config_equal(void *arg)
   tor_free(config2);
 }
 
+/** Test that client circuit ID gets correctly exported */
+static void
+test_export_client_circuit_id(void *arg)
+{
+  origin_circuit_t *or_circ = NULL;
+  size_t sz;
+  char *cp1=NULL, *cp2=NULL;
+  connection_t *conn = NULL;
+
+  (void) arg;
+
+  MOCK(connection_write_to_buf_impl_, connection_write_to_buf_mock);
+
+  hs_service_init();
+
+  /* Create service */
+  hs_service_t *service = helper_create_service();
+  /* Check that export circuit ID detection works */
+  service->config.export_circuit_id = false;
+  tt_int_op(0, OP_EQ,
+            hs_service_exports_circuit_id(&service->keys.identity_pk));
+  service->config.export_circuit_id = true;
+  tt_int_op(1, OP_EQ,
+            hs_service_exports_circuit_id(&service->keys.identity_pk));
+
+  /* Create client connection */
+  conn = test_conn_get_connection(AP_CONN_STATE_CIRCUIT_WAIT, CONN_TYPE_AP, 0);
+
+  /* Create client edge conn hs_ident */
+  edge_connection_t *edge_conn = TO_EDGE_CONN(conn);
+  edge_conn->hs_ident = hs_ident_edge_conn_new(&service->keys.identity_pk);
+  edge_conn->hs_ident->orig_virtual_port = 42;
+
+  /* Create rend circuit */
+  or_circ = origin_circuit_new();
+  or_circ->base_.purpose = CIRCUIT_PURPOSE_C_REND_JOINED;
+  edge_conn->on_circuit = TO_CIRCUIT(or_circ);
+  or_circ->global_identifier = 666;
+
+  /* Export circuit ID */
+  export_hs_client_circuit_id_haproxy(edge_conn, conn);
+
+  /* Check contents */
+  cp1 = buf_get_contents(conn->outbuf, &sz);
+  tt_str_op(cp1, OP_EQ,
+            "PROXY TCP6 fc00:dead:beef:4dad::0:29a ::1 666 42\r\n");
+
+  /* Change circ GID and see that the reported circuit ID also changes */
+  or_circ->global_identifier = 22;
+
+  /* check changes */
+  export_hs_client_circuit_id_haproxy(edge_conn, conn);
+  cp2 = buf_get_contents(conn->outbuf, &sz);
+  tt_str_op(cp1, OP_NE, cp2);
+
+ done:
+  UNMOCK(connection_write_to_buf_impl_);
+  circuit_free_(TO_CIRCUIT(or_circ));
+  connection_free_minimal(conn);
+  hs_service_free(service);
+  tor_free(cp1);
+  tor_free(cp2);
+}
+
 struct testcase_t hs_service_tests[] = {
   { "e2e_rend_circuit_setup", test_e2e_rend_circuit_setup, TT_FORK,
     NULL, NULL },
@@ -2044,6 +2112,8 @@ struct testcase_t hs_service_tests[] = {
     NULL, NULL },
   { "authorized_client_config_equal", test_authorized_client_config_equal,
     TT_FORK, NULL, NULL },
+  { "export_client_circuit_id", test_export_client_circuit_id, TT_FORK,
+    NULL, NULL },
 
   END_OF_TESTCASES
 };



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