Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/basic/login-util.c b/src/basic/login-util.c
new file mode 100644
index 0000000..044e8b7
--- /dev/null
+++ b/src/basic/login-util.c
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "login-util.h"
+#include "string-util.h"
+
+bool session_id_valid(const char *id) {
+
+        if (isempty(id))
+                return false;
+
+        return id[strspn(id, LETTERS DIGITS)] == '\0';
+}