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-rw-r--r--src/shared/capsule-util.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/shared/capsule-util.c b/src/shared/capsule-util.c
new file mode 100644
index 0000000..3689a78
--- /dev/null
+++ b/src/shared/capsule-util.c
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "capsule-util.h"
+#include "path-util.h"
+#include "user-util.h"
+
+int capsule_name_is_valid(const char *name) {
+
+ if (!filename_is_valid(name))
+ return false;
+
+ _cleanup_free_ char *prefixed = strjoin("c-", name);
+ if (!prefixed)
+ return -ENOMEM;
+
+ return valid_user_group_name(prefixed, /* flags= */ 0);
+}