/usr/sbin/dn2rdn is in 389-ds-base 1.3.4.9-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | #!/bin/bash
. /usr/share/dirsrv/data/DSSharedLib
libpath_add "/usr/lib/x86_64-linux-gnu/dirsrv/"
libpath_add ""
libpath_add "/usr/lib/x86_64-linux-gnu"
export LD_LIBRARY_PATH
SHLIB_PATH=$LD_LIBRARY_PATH
export SHLIB_PATH
      
usage ()
{
    echo "Usage: dn2rdn [-Z serverID] [-h] [-f] [-v] [-d debuglevel]"
    echo "Options:"
    echo "        -Z serverID    - Server instance identifier"
    echo "        -f             - Force upgrade"
    echo "        -v             - Display version"
    echo "        -d debuglevel  - Debugging level"
    echo "        -h             - Display usage"
}
    
while getopts "Z:d:ha:vfr:D:" flag
do
    case $flag in
        h) usage
           exit 0;;
        Z) servid=$OPTARG;;
        d) arg=$arg" -d \"$OPTARG\"";;
        a) arg=$arg" -a \"$OPTARG\""
           archive="provided";;
        v) arg=$arg" -v";;
        f) arg=$arg" -f";;
        D) arg=$arg" -D \"$OPTARG\"";;
        ?) usage
           exit 1;;
    esac
done
initfile=$(get_init_file "/etc/default" $servid)
if [ $? -eq 1 ]
then
    usage
    echo "You must supply a valid server instance identifier.  Use -Z to specify instance name"
    echo "Available instances: $initfile"
    exit 1
fi
servid=`normalize_server_id $initfile`
. $initfile
if [ "$archive" != "provided" ]; then
    bak_dir=/var/lib/dirsrv/slapd-$servid/bak/reindex_`date +%Y_%m_%d_%H_%M_%S`
    args=$args"-a $bak_dir"
fi
eval /usr/sbin/ns-slapd upgradedb -D $CONFIG_DIR -r $args
 |