2024-01-11 13:40:20

by Frédéric Danis

[permalink] [raw]
Subject: [PATCH v4 2/2] unit/test-gatt: Add unordered setup db test

Verify that gatt_db_get_hash() does not crash when services are added
in an unordered way.
---
unit/test-gatt.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 72 insertions(+), 1 deletion(-)

diff --git a/unit/test-gatt.c b/unit/test-gatt.c
index f92d860c4..e536cd908 100644
--- a/unit/test-gatt.c
+++ b/unit/test-gatt.c
@@ -1908,6 +1908,60 @@ static struct gatt_db *make_test_spec_large_db_1(void)
return make_db(specs);
}

+/*
+ * Tiny database which fits into a single minimum sized-pdu with services
+ * added in the following order to check ability to create hash db:
+ * - one secondary service at handle 0x0003,
+ * - one primary service at the max handle,
+ * - one primary service at handle 0x0001.
+ */
+
+static struct gatt_db *make_test_unordered_setup_db(void)
+{
+ const struct att_handle_spec specs[] = {
+ SECONDARY_SERVICE(0x0003, DEVICE_INFORMATION_UUID, 16),
+ CHARACTERISTIC_STR(GATT_CHARAC_MANUFACTURER_NAME_STRING,
+ BT_ATT_PERM_READ |
+ BT_ATT_PERM_WRITE,
+ BT_GATT_CHRC_PROP_READ |
+ BT_GATT_CHRC_PROP_NOTIFY |
+ BT_GATT_CHRC_PROP_INDICATE |
+ BT_GATT_CHRC_PROP_EXT_PROP,
+ "BlueZ"),
+ DESCRIPTOR(GATT_CLIENT_CHARAC_CFG_UUID, BT_ATT_PERM_READ |
+ BT_ATT_PERM_WRITE, 0x00, 0x00),
+ DESCRIPTOR_STR(GATT_CHARAC_USER_DESC_UUID, BT_ATT_PERM_READ,
+ "Manufacturer Name"),
+ DESCRIPTOR(GATT_CHARAC_EXT_PROPER_UUID, BT_ATT_PERM_READ, 0x01,
+ 0x00),
+ CHARACTERISTIC_STR(GATT_CHARAC_SOFTWARE_REVISION_STRING,
+ BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ |
+ BT_GATT_CHRC_PROP_INDICATE,
+ "5.59"),
+ DESCRIPTOR(GATT_CLIENT_CHARAC_CFG_UUID, BT_ATT_PERM_READ
+ | BT_ATT_PERM_WRITE, 0x00, 0x00),
+
+ PRIMARY_SERVICE(0xFFFF - 9 + 1, GAP_UUID, 9),
+ INCLUDE(0x0003),
+ CHARACTERISTIC_STR(GATT_CHARAC_DEVICE_NAME, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ,
+ "BlueZ Unit Tester"),
+ CHARACTERISTIC(0000B009-0000-0000-0123-456789abcdef,
+ BT_ATT_PERM_READ | BT_ATT_PERM_WRITE,
+ BT_GATT_CHRC_PROP_READ |
+ BT_GATT_CHRC_PROP_EXT_PROP, 0x09),
+ DESCRIPTOR(GATT_CHARAC_EXT_PROPER_UUID, BT_ATT_PERM_READ, 0x01,
+ 0x00),
+ CHARACTERISTIC(GATT_CHARAC_APPEARANCE, BT_ATT_PERM_READ,
+ BT_GATT_CHRC_PROP_READ, 0x00, 0x00),
+ PRIMARY_SERVICE(0x0001, DEVICE_INFORMATION_UUID, 1),
+ { }
+ };
+
+ return make_db(specs);
+}
+
static void test_client(gconstpointer data)
{
create_context(512, data);
@@ -2345,10 +2399,22 @@ static const struct test_step test_indication_server_1 = {
.length = 0x03,
};

+static void test_hash_db(gconstpointer data)
+{
+ struct context *context = create_context(512, data);
+
+ /* test that gatt_db_get_hash is able to manage unordered db and
+ * doesn't crash
+ */
+ gatt_db_get_hash(context->server_db);
+
+ context_quit(context);
+}
+
int main(int argc, char *argv[])
{
struct gatt_db *service_db_1, *service_db_2, *service_db_3;
- struct gatt_db *ts_small_db, *ts_large_db_1;
+ struct gatt_db *ts_small_db, *ts_large_db_1, *ts_tail_db;

tester_init(&argc, &argv);

@@ -2357,6 +2423,7 @@ int main(int argc, char *argv[])
service_db_3 = make_service_data_3_db();
ts_small_db = make_test_spec_small_db();
ts_large_db_1 = make_test_spec_large_db_1();
+ ts_tail_db = make_test_unordered_setup_db();

/*
* Server Configuration
@@ -4487,5 +4554,9 @@ int main(int argc, char *argv[])
raw_pdu(0xff, 0x00),
raw_pdu());

+ define_test_server("/robustness/hash-db",
+ test_hash_db, ts_tail_db, NULL,
+ {});
+
return tester_run();
}
--
2.34.1