The format of list.txt is as follow:
- one line for a group
- the first field is group name, the second is group admin, the third to last is group members
create_groups_users_shares.py can:
- create groups, users, shares
- generate random password for users
- set proper permissions for users and groups
Group admin can read/write all members' shared folder, while members can only read each other's shared folders within the same groups.
Group admin only exist for groups with more than 2 members.