diff --git a/ap22/dau b/ap22/dau
new file mode 100755
index 0000000..287c159
--- /dev/null
+++ b/ap22/dau
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -e
+set -u
+
+login=$1
+password=$(htpasswd -bnBC 10 "" $1|tr -d '\d')
+
+echo "${login}${password}:${login}:${login}@localhost:${login},user"
+
+./dau $1 >> /var/www/html/doku/conf/users.auth.php