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tests: Add test cases for truncated D-Bus messages

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(Minor code formatting tweaks and leak fixes by Philip Withnall.)

Helps: #2528
This commit is contained in:
Sebastian Wilhelmi 2021-11-19 15:43:50 +00:00 committed by Philip Withnall
parent 4b9a27a868
commit c58be7d569
1 changed files with 63 additions and 0 deletions
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63
gio/tests/gdbus-serialization.c
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@ -1472,6 +1472,67 @@ test_message_parse_deep_body_nesting (void)
/* ---------------------------------------------------------------------------------------------------- */
static void
test_message_parse_truncated (void)
{
GDBusMessage *message = NULL;
GDBusMessage *message2 = NULL;
GVariantBuilder builder;
guchar *blob = NULL;
gsize size = 0;
GError *error = NULL;
g_test_summary ("Test that truncated messages are properly rejected.");
g_test_bug ("https://gitlab.gnome.org/GNOME/glib/-/issues/2528");
message = g_dbus_message_new ();
g_variant_builder_init (&builder, G_VARIANT_TYPE ("(asbynqiuxtd)"));
g_variant_builder_open (&builder, G_VARIANT_TYPE ("as"));
g_variant_builder_add (&builder, "s", "fourtytwo");
g_variant_builder_close (&builder);
g_variant_builder_add (&builder, "b", TRUE);
g_variant_builder_add (&builder, "y", 42);
g_variant_builder_add (&builder, "n", 42);
g_variant_builder_add (&builder, "q", 42);
g_variant_builder_add (&builder, "i", 42);
g_variant_builder_add (&builder, "u", 42);
g_variant_builder_add (&builder, "x", 42);
g_variant_builder_add (&builder, "t", 42);
g_variant_builder_add (&builder, "d", (gdouble) 42);
g_dbus_message_set_message_type (message, G_DBUS_MESSAGE_TYPE_METHOD_CALL);
g_dbus_message_set_header (message, G_DBUS_MESSAGE_HEADER_FIELD_PATH,
g_variant_new_object_path ("/foo/bar"));
g_dbus_message_set_header (message, G_DBUS_MESSAGE_HEADER_FIELD_MEMBER,
g_variant_new_string ("Member"));
g_dbus_message_set_body (message, g_variant_builder_end (&builder));
blob = g_dbus_message_to_blob (message, &size, G_DBUS_CAPABILITY_FLAGS_NONE, &error);
g_assert_no_error (error);
g_clear_object (&message);
/* 12 bytes is the minimum size of the D-Bus message header. Anything less
* than that is rejected as a programming error by
* g_dbus_message_new_from_blob(). */
for (gsize i = 12; i < size; i++)
{
message2 = g_dbus_message_new_from_blob (blob, i, G_DBUS_CAPABILITY_FLAGS_NONE, &error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
g_assert_null (message2);
g_clear_error (&error);
}
message2 = g_dbus_message_new_from_blob (blob, size, G_DBUS_CAPABILITY_FLAGS_NONE, &error);
g_assert_no_error (error);
g_assert_true (G_IS_DBUS_MESSAGE (message2));
g_clear_object (&message2);
g_free (blob);
}
/* ---------------------------------------------------------------------------------------------------- */
int
main (int argc,
char *argv[])
@ -1506,6 +1567,8 @@ main (int argc,
test_message_parse_deep_header_nesting);
g_test_add_func ("/gdbus/message-parse/deep-body-nesting",
test_message_parse_deep_body_nesting);
g_test_add_func ("/gdbus/message-parse/truncated",
test_message_parse_truncated);
return g_test_run();
}