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I'm a little confused on how to get this working.

I have ACL working and I need to create two goups:

  • github-total: group that the users in that group have permissions to the folder "/var/git" to read/write/execute.
  • github-read: group that the users in that group have permissions to the folder "/var/git" to read.

For the group "github-total" I have done the following:

As "git" user:

$ cd /var
$ mkdir github
$ chmod 770 github
$ ls -al
drwxrwx---+  3 git git   4096 Oct  4 21:48 github


# useradd andre -m
# passwd andre
# groupadd github-total
# usermod -a -G github-total andre
# id andre
uid=500(andre) gid=500(andre) groups=500(andre),502(github-total) context=user_u:system_r:unconfined_t
# cd /var
# setfacl -R -m group:github-total:rwx github
# setfacl -R -d -m group:github-total:rwx github
# getfacl github
file: github
owner: git
group: git
user::rwx
user:git:rwx
group::rwx
group:git:rwx
group:github-total:rwx
mask::rwx
other::---
default:user::rwx
default:group::rwx
default:group:github-total:rwx
default:mask::rwx
default:other::---

Unfortunately this is not working for me, with user "andre", I cannot list "/var/github"

$ cd /var/github
bash: cd: /var/github: Permission denied

How can I list this folder adding a group to the ACL?

Best Regards,

PS: Sorry for my english...

UPDATE 1:

I have found that if I do id without arguments with the user "andre" I got this:

$ id
uid=500(andre) gid=500(andre) groups=500(andre) context=user_u:system_r:unconfined_t

The group "github-total" is not included as a group for user "andre"

If I do:

$ id andre
uid=500(andre) gid=500(andre) groups=500(andre),502(github-total) context=user_u:system_r:unconfined_t

What does this mean?

migrated from stackoverflow.com Oct 6 '11 at 7:16

This question came from our site for professional and enthusiast programmers.

0

Your ACL is correct, so that's not the problem. I think it's a problem with andre's group membership.

If you add a user to a group while the user is logged in, the group membership won't take effect until the user logs out and back in. Try logging out and back in and see if that works.

By the way, when you create the group "github-read", the group will need both read and execute permissions on the directory, not just read permission. I don't know if you already knew that, but I thought it would be best to tell you anyway.

0

What is the mode of SELinux? If you are running "enforcing" then you will have to adjust the context of the folder you have created. Run command sestatus and if it is enabled then temporarily turn it off with setenforce 0 and see if you can access the folder.

For CentOS, RedHat or Scientific Linux this link should help CentOS SELinux Wiki

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