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Samba User permissions

I m trying to setup custom User permissions for a certain user on my samba server. What i try to achieve is to login with mentioned user, lets say its name is user1, and only access two folders folder1, and folder2(with rwx permissions). The share contains plenty of other folders,which he should NOT see them.
All my samba users are part of a group, lets say its called staff.



My global config is this :



[global]

log file = /var/log/samba/log.%m
load printers = no
socket options = TCP_NODELAY
full_auditrefix = %u|%T|%m|%S
full_audit:facility = local5
interfaces = 192.168.0.20/255.255.255.0
passdb backend = tdbsam
allow hosts = 127. 192.168.0. 192.168.3.
unix extensions = no
cups options = raw

vfs objects = full_audit
full_audit:success = connect disconnect mkdir rmdir write sendfile rename unlink chmod fchmod chown fchown
full_auditriority = notice
workgroup = MYSERVER
full_audit:failure = connect
use sendfile = yes
security = user
max log size = 50



The shared directory config :



[share]  
writeable = yes
path = /home/share
vfs object = full_audit
comment = Linux
valid users = user1,user2,user3
create mode = 0660
directory mode = 0770



With this configuration user1 can login and see all the files and folders. (which is not my purpose)



If i erase user1 from the staff group, and set the mentioned folder1, folder2 with the permissions of 777, the user wont have permission to access the server. I just tested it.



So my question is how can i provide for the user accessibility to the share, but restriction to those folders only?



The mentioned shares permissions are:




drwxrwxr-- 28 root staff 4.0K Jan 30 16:22 share

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