+/* These characters are forbidden in a session name. Used by validate_name. */
+static const char *forbidden_name_chars = "/";
+
+/*
+ * Validate the session name for forbidden characters.
+ *
+ * Return 0 on success else -1 meaning a forbidden char. has been found.
+ */
+static int validate_name(const char *name)
+{
+ int ret;
+ char *tok, *tmp_name;
+
+ assert(name);
+
+ tmp_name = strdup(name);
+ if (!tmp_name) {
+ /* ENOMEM here. */
+ ret = -1;
+ goto error;
+ }
+
+ tok = strpbrk(tmp_name, forbidden_name_chars);
+ if (tok) {
+ DBG("Session name %s contains a forbidden character", name);
+ /* Forbidden character has been found. */
+ ret = -1;
+ goto error;
+ }
+ ret = 0;
+
+error:
+ free(tmp_name);
+ return ret;
+}
+