1 files changed, 94 insertions, 0 deletions
diff --git a/lib/util/tests/test_talloc_keep_secret.c b/lib/util/tests/test_talloc_keep_secret.c
new file mode 100644
index 0000000..1462dab
--- /dev/null
+++ b/lib/util/tests/test_talloc_keep_secret.c
@@ -0,0 +1,94 @@
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <setjmp.h>
+#include <cmocka.h>
+
+#include <string.h>
+#include <talloc.h>
+#include "lib/util/talloc_keep_secret.h"
+
+int rep_memset_s(void *dest, size_t destsz, int ch, size_t count);
+
+int rep_memset_s(void *dest, size_t destsz, int ch, size_t count)
+{
+	check_expected_ptr(dest);
+	check_expected(destsz);
+	check_expected(ch);
+	check_expected(count);
+
+	return 0;
+}
+
+static void test_talloc_keep_secret(void ** state)
+{
+	TALLOC_CTX *pool = NULL;
+	char *ptr1 = NULL;
+	char *ptr2 = NULL;
+	const char *ptr1_talloc_name = NULL;
+	size_t ptr1_size;
+	size_t i;
+
+	pool = talloc_pool(NULL, 256);
+	assert_non_null(pool);
+
+	ptr1 = talloc_strdup(pool, "secret");
+	assert_non_null(ptr1);
+	assert_string_equal(ptr1, "secret");
+
+	talloc_keep_secret(ptr1);
+
+	ptr1_talloc_name = talloc_get_name(ptr1);
+	assert_string_equal(ptr1_talloc_name, "ptr1");
+
+	ptr1_size = talloc_get_size(ptr1);
+	assert_int_equal(ptr1_size, strlen(ptr1) + 1);
+
+	expect_string(rep_memset_s, dest, "secret");
+	expect_value(rep_memset_s, destsz, strlen(ptr1) + 1);
+	expect_value(rep_memset_s, ch, (int)'\0');
+	expect_value(rep_memset_s, count, strlen(ptr1) + 1);
+
+	talloc_free(ptr1);
+
+	ptr2 = talloc_size(pool, ptr1_size);
+	assert_ptr_equal(ptr1, ptr2);
+
+	for (i = 1; i < ptr1_size; i++) {
+		assert_int_not_equal(ptr2[0], ptr2[i]);
+	}
+
+	talloc_free(pool);
+}
+
+static void test_talloc_keep_secret_validate_memset(void **state)
+{
+	TALLOC_CTX *mem_ctx = NULL;
+	char *password = NULL;
+
+	mem_ctx = talloc_new(NULL);
+	assert_non_null(mem_ctx);
+
+	password = talloc_strdup(mem_ctx, "secret");
+	assert_non_null(password);
+	talloc_keep_secret(password);
+
+	expect_string(rep_memset_s, dest, "secret");
+	expect_value(rep_memset_s, destsz, strlen(password) + 1);
+	expect_value(rep_memset_s, ch, (int)'\0');
+	expect_value(rep_memset_s, count, strlen(password) + 1);
+
+	talloc_free(mem_ctx);
+}
+
+int main(void)
+{
+    const struct CMUnitTest tests[] = {
+        cmocka_unit_test(test_talloc_keep_secret),
+        cmocka_unit_test(test_talloc_keep_secret_validate_memset),
+    };
+
+    cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
+
+    return cmocka_run_group_tests(tests, NULL, NULL);
+}