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Re: AppArmor permissions to create a specific directory




On 3/11/18 2:13 PM, André Rodier wrote:
On 11/03/18 17:56, André Rodier wrote:
Hello,

I am working on a project to help self hosting emails with Debian.

I reached a point I am satisfied, but I have an issue with AppArmor some
experts may know how to solve.

I have set the rules with Dovecot and AppArmor, and it works very well
so far, except when the mail folder is not existing yet.

Is there any way to write a permission for AppArmor, that will let
dovecot create the maildir folder when it is not exists.

This is the error I have, the first time a user tries to access his mail
box:
Mar 11 17:45:05 homebox kernel: [  356.357353] audit: type=1400 audit(1520790305.235:176): apparmor="DENIED" operation="mkdir" profile="" name="/home/users/andre/mails/" pid=32645 comm="imap" requested_mask="c" denied_mask="c" fsuid=1001 ouid=1001
Obviously, I don't want to add a rule to let dovecot to write in the
home directory!

Thanks for your help,
André

OK, I am now creating the mail folders before the deployment of Dovecot,
for each user.

Actually, this make more sense. The only issue is when creating new users.


Check out /etc/skel.  useradd with the -m option copies that directory to the created user directory changing permissions and ownership to the new user.

--


...Bob