[Samba] permissions of new files and directories

jan-philipp.snizek at business.uzh.ch jan-philipp.snizek at business.uzh.ch
Thu Sep 22 09:53:36 UTC 2016


I'm running  Samba 4.3.9 on Ubuntu 14 as domain member. Both Windows DCs
are Win 2012 R2 in 2008 R2 mode.

This is the smb.conf:

    workgroup = MYDOM
    server string = Fileserver
    netbios name = myhostname
    winbind separator = +
    security = ADS
    admin users = %D+administrator, %D+backupmaster
    realm = MYDOM.WHEREVER
    kerberos method = secrets and keytab
    winbind enum users = yes
    winbind enum groups = yes
    winbind nss info = template
    winbind use default domain = no
    winbind refresh tickets = true
    winbind nested groups = yes
    idmap config *:backend = rid
    idmap config *:range = 100000-100000000
    idmap config *:base_rid = 0
    template shell = /usr/bin/nologin
    template homedir = /home/%D/users/%U
    obey pam restrictions = yes
    allow trusted domains = no
    client use spnego = yes
    client signing = auto
    preferred master = no
    load printers = no
    unix charset = UTF8
    log file = /var/log/samba/log.%m
    log level = 3
    max log size = 50000
    server max protocol = SMB3
    map untrusted to domain = yes
    log writeable files on exit = yes

This is one of the many team share configs. They are all like this.

    comment = Team XXX
    path = "/home/teams1/team_xxx"
    browseable = yes
    write list = "@%D+team xxx"
    admin users = @%D+domänen-admins
    valid users = @%D+domänen-admins, "@%D+team xxx"
    public = no
    force group = "%D+team xxx"
    directory mask = 0770
    create mask = 0660

When I as member of %D+team xxx create a new directory in this share, the
permissions of the new directory become 750 instead of 770. New created
files do get 660.
I have tried force directory mode = 0770 to no effect. I've also tried
inherit permissions = yes. New created files then get 660 and directories
get 750 instead of 770.

Thanks for helping out.

Best regards,

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