error: ssh_selinux_getctxbyname: Failed to get default SELinux security context

imsand at puzzle.ch imsand at puzzle.ch
Thu Sep 30 14:18:15 UTC 2010


another interesting thing is the following:
(seen with the debug option in pam_selinux)

assuming that the linux user is mat and the corresponding selinux user is
mat_u. during ssh login this happens:

Sep 30 16:09:49 testsrv sshd[4328]: pam_selinux(sshd:session): Open Session
Sep 30 16:09:49 testsrv sshd[4328]: pam_selinux(sshd:session): Open Session
Sep 30 16:09:49 testsrv sshd[4328]: pam_selinux(sshd:session): Username=
mat SELinux User = mat_u Level= (null)
Sep 30 16:09:49 testsrv  sshd[4328]: pam_selinux(sshd:session): set mat
security context to mat_u:staff_r:staff_t
Sep 30 16:09:49 testsrv sshd[4328]: pam_selinux(sshd:session): set mat key
creation context to mat_u:staff_r:staff_t

As we can see, the user mapping works as desired and the new choosen
context should be all right => mat_u:staff_r:staff_t.

But then, when I do an id -Z after successful login, the shell's context
is context=user_u:user_r:user_t.

Very strange....



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