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Thread: Writing SE Linux policy
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- Join Date
- Apr 2006
Writing SE Linux policy
other network clients that may provide a huge security leak within a
user's domain. In order to check the SELinux inner workings, I try to
restrict Eterm's permissions because it is my goal to restrict licq to
its configuration directory only and deny any reads/writes outside of
that -- except maybe for /usr/lib/licq etc.
The .te file:
type Eterm_exec_t, file_type, exec_type;
type Eterm_dir_t, file_type;
type Eterm_t, daemon;
domain_auto_trans(user_t, Eterm_exec_t, Eterm_t)
domain_auto_trans(sysadm_t, Eterm_exec_t, Eterm_t)
The .fc file:
/usr/bin/Eterm -- system_u:object_r:Eterm_exec_t
/usr/lib/Eterm/.* -- system_u:object_r:Eterm_exec_t
After rebuilding and reloading the policy files, running Eterm gives
me a transition from system_u:system_r:sysadm_t to
system_u:system_r:Eterm_t. However, although I have not granted any rights to
the Eterm_t domain, I can still work as a regular user and access all
of my files.
Do you know what's the problem here?
p.s. I'm running KDE and therefore (AFAIK) I'm running in the sysadm_t
domain when logged in as a regular user.