These are scripts related to LDAP! migrate_common.ph/migrate_passwd.pl is a script from https://packages.debian.org/wheezy/migrationtools hacked up to follow some CClub conventions. It takes an /etc/passwd file and converts it into an LDIF, "LDAP Import Format". add_user.sh takes a single /etc/passwd line as a command line argument, converts it into an LDIF with migrate_passwd.pl, and then imports it into the CClub LDAP server. If it isn't passed any arguments, it will grab the last line from /afs/club.cc.cmu.edu/service/etc/passwd.user and try importing that. make_user_admin.sh doesn't exist but should eventually. delete_user.sh doesn't exist but should eventually. Contact sbaugh with questions.