Manuel samba

SELinux requires files to have an extended attribute to define the file type. Policy governs the access daemons have to these files. If you want to share files other than home directories, those files must be labeled samba_share_t. So if you created a special directory /var/eng, you would need to label the directory with the chcon tool.

chcon -t samba_share_t /var/eng
If you want to make this permanant, i.e. survive a relabel, you must add an entry to the file_contexts.local file.
/etc/selinux/POLICYTYPE/contexts/files/file_contexts.local: /var/eng(/.*)? system_u:object_r:samba_share_t

SHARING FILES

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If you want to share files with multiple domains (Apache, FTP, rsync, Samba), you can set a file context of public_content_t and public_content_rw_t. These context allow any of the above domains to read the content. If you want a particular domain to write to the public_content_rw_t domain, you must set the appropriate boolean. allow_DOMAIN_anon_write. So for samba you would execute:

setsebool -P allow_smbd_anon_write=1

BOOLEANS

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SELinux policy is customizable based on least access required. So by default SElinux policy turns off SELinux sharing of home directories and the use of Samba shares from a remote machine as a home directory.

If you are setting up this machine as a Samba server and wish to share the home directories, you need to set the samba_enable_home_dirs boolean.: setsebool -P samba_enable_home_dirs 1
If you want to use a remote Samba server for the home directories on this machine, you must set the use_samba_home_dirs boolean.: setsebool -P use_samba_home_dirs 1
system-config-selinux is a GUI tool available to customize SELinux policy settings.

AUTHOR

This manual page was written by Dan Walsh <dwalsh@redhat.com>.