util: move src/basic/creds-util.[ch] → src/shared/

This is preparation for adding encryption support to the credentials
logic, and we thus would like to add more deps. Let's hence move things
from src/basic/ to src/shared, so that we can rely on the OpenSSL
utilities already in src/shared.

1 files changed, 16 insertions, 0 deletions

diff --git a/src/shared/creds-util.h b/src/shared/creds-util.h
new file mode 100644
index 0000000000..7310249424
--- /dev/null
+++ b/src/shared/creds-util.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <sys/types.h>
+
+#include "fd-util.h"
+
+#define CREDENTIAL_NAME_MAX FDNAME_MAX
+
+bool credential_name_valid(const char *s);
+
+int get_credentials_dir(const char **ret);
+
+int read_credential(const char *name, void **ret, size_t *ret_size);