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[tor-commits] [tor/master] test: HS v3 client auth is config equal function



commit b61403c7870b9ee289fe61e2f2349a8d49a8d37a
Author: Suphanat Chunhapanya <haxx.pop@xxxxxxxxx>
Date:   Wed May 16 21:57:24 2018 +0700

    test: HS v3 client auth is config equal function
    
    Signed-off-by: David Goulet <dgoulet@xxxxxxxxxxxxxx>
---
 src/feature/hs/hs_service.c |   4 +-
 src/feature/hs/hs_service.h |   6 ++
 src/test/test_hs_service.c  | 138 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 146 insertions(+), 2 deletions(-)

diff --git a/src/feature/hs/hs_service.c b/src/feature/hs/hs_service.c
index 042880992..87c28f620 100644
--- a/src/feature/hs/hs_service.c
+++ b/src/feature/hs/hs_service.c
@@ -243,7 +243,7 @@ set_service_default_config(hs_service_config_t *c,
 
 /* From a service configuration object config, clear everything from it
  * meaning free allocated pointers and reset the values. */
-static void
+STATIC void
 service_clear_config(hs_service_config_t *config)
 {
   if (config == NULL) {
@@ -1368,7 +1368,7 @@ compare_service_authorzized_client_(const void **_a, const void **_b)
 
 /* If the list of hs_service_authorized_client_t's is different between
  * src and dst, return 1. Otherwise, return 0. */
-static int
+STATIC int
 service_authorized_client_config_equal(const hs_service_config_t *config1,
                                        const hs_service_config_t *config2)
 {
diff --git a/src/feature/hs/hs_service.h b/src/feature/hs/hs_service.h
index f1b98b805..735266071 100644
--- a/src/feature/hs/hs_service.h
+++ b/src/feature/hs/hs_service.h
@@ -399,6 +399,12 @@ STATIC void service_desc_schedule_upload(hs_service_descriptor_t *desc,
 STATIC int service_desc_hsdirs_changed(const hs_service_t *service,
                                 const hs_service_descriptor_t *desc);
 
+STATIC int service_authorized_client_config_equal(
+                                         const hs_service_config_t *config1,
+                                         const hs_service_config_t *config2);
+
+STATIC void service_clear_config(hs_service_config_t *config);
+
 #endif /* defined(HS_SERVICE_PRIVATE) */
 
 #endif /* !defined(TOR_HS_SERVICE_H) */
diff --git a/src/test/test_hs_service.c b/src/test/test_hs_service.c
index 11f542c44..6a061eaea 100644
--- a/src/test/test_hs_service.c
+++ b/src/test/test_hs_service.c
@@ -246,6 +246,22 @@ helper_create_authorized_client(void)
   return client;
 }
 
+/* Helper: Return a newly allocated authorized client object with the
+ * same client name and the same public key as the given client. */
+static hs_service_authorized_client_t *
+helper_clone_authorized_client(const hs_service_authorized_client_t *client)
+{
+  hs_service_authorized_client_t *client_out;
+
+  tor_assert(client);
+
+  client_out = tor_malloc_zero(sizeof(hs_service_authorized_client_t));
+  memcpy(client_out->client_pk.public_key,
+         client->client_pk.public_key, CURVE25519_PUBKEY_LEN);
+
+  return client_out;
+}
+
 /* Helper: Return a newly allocated service object with the identity keypair
  * sets and the current descriptor. Then register it to the global map.
  * Caller should us hs_free_all() to free this service or remove it from the
@@ -1869,6 +1885,126 @@ test_rendezvous1_parsing(void *arg)
   UNMOCK(relay_send_command_from_edge_);
 }
 
+static void
+test_authorized_client_config_equal(void *arg)
+{
+  int ret;
+  hs_service_config_t *config1, *config2;
+
+  (void) arg;
+
+  config1 = tor_malloc_zero(sizeof(*config1));
+  config2 = tor_malloc_zero(sizeof(*config2));
+
+  /* Both configs are empty. */
+  {
+    config1->clients = smartlist_new();
+    config2->clients = smartlist_new();
+
+    ret = service_authorized_client_config_equal(config1, config2);
+    tt_int_op(ret, OP_EQ, 1);
+
+    service_clear_config(config1);
+    service_clear_config(config2);
+  }
+
+  /* Both configs have exactly the same client config. */
+  {
+    config1->clients = smartlist_new();
+    config2->clients = smartlist_new();
+
+    hs_service_authorized_client_t *client1, *client2;
+    client1 = helper_create_authorized_client();
+    client2 = helper_create_authorized_client();
+
+    smartlist_add(config1->clients, client1);
+    smartlist_add(config1->clients, client2);
+
+    /* We should swap the order of clients here to test that the order
+     * does not matter. */
+    smartlist_add(config2->clients, helper_clone_authorized_client(client2));
+    smartlist_add(config2->clients, helper_clone_authorized_client(client1));
+
+    ret = service_authorized_client_config_equal(config1, config2);
+    tt_int_op(ret, OP_EQ, 1);
+
+    service_clear_config(config1);
+    service_clear_config(config2);
+  }
+
+  /* The numbers of clients in both configs are not equal. */
+  {
+    config1->clients = smartlist_new();
+    config2->clients = smartlist_new();
+
+    hs_service_authorized_client_t *client1, *client2;
+    client1 = helper_create_authorized_client();
+    client2 = helper_create_authorized_client();
+
+    smartlist_add(config1->clients, client1);
+    smartlist_add(config1->clients, client2);
+
+    smartlist_add(config2->clients, helper_clone_authorized_client(client1));
+
+    ret = service_authorized_client_config_equal(config1, config2);
+    tt_int_op(ret, OP_EQ, 0);
+
+    service_clear_config(config1);
+    service_clear_config(config2);
+  }
+
+  /* The first config has two distinct clients while the second config
+   * has two clients but they are duplicate. */
+  {
+    config1->clients = smartlist_new();
+    config2->clients = smartlist_new();
+
+    hs_service_authorized_client_t *client1, *client2;
+    client1 = helper_create_authorized_client();
+    client2 = helper_create_authorized_client();
+
+    smartlist_add(config1->clients, client1);
+    smartlist_add(config1->clients, client2);
+
+    smartlist_add(config2->clients, helper_clone_authorized_client(client1));
+    smartlist_add(config2->clients, helper_clone_authorized_client(client1));
+
+    ret = service_authorized_client_config_equal(config1, config2);
+    tt_int_op(ret, OP_EQ, 0);
+
+    service_clear_config(config1);
+    service_clear_config(config2);
+  }
+
+  /* Both configs have totally distinct clients. */
+  {
+    config1->clients = smartlist_new();
+    config2->clients = smartlist_new();
+
+    hs_service_authorized_client_t *client1, *client2, *client3, *client4;
+    client1 = helper_create_authorized_client();
+    client2 = helper_create_authorized_client();
+    client3 = helper_create_authorized_client();
+    client4 = helper_create_authorized_client();
+
+    smartlist_add(config1->clients, client1);
+    smartlist_add(config1->clients, client2);
+
+    smartlist_add(config2->clients, client3);
+    smartlist_add(config2->clients, client4);
+
+    ret = service_authorized_client_config_equal(config1, config2);
+    tt_int_op(ret, OP_EQ, 0);
+
+    service_clear_config(config1);
+    service_clear_config(config2);
+  }
+
+ done:
+  tor_free(config1);
+  tor_free(config2);
+}
+
 struct testcase_t hs_service_tests[] = {
   { "e2e_rend_circuit_setup", test_e2e_rend_circuit_setup, TT_FORK,
     NULL, NULL },
@@ -1908,6 +2044,8 @@ struct testcase_t hs_service_tests[] = {
     NULL, NULL },
   { "rendezvous1_parsing", test_rendezvous1_parsing, TT_FORK,
     NULL, NULL },
+  { "authorized_client_config_equal", test_authorized_client_config_equal,
+    TT_FORK, NULL, NULL },
 
   END_OF_TESTCASES
 };



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