See, your users home directories are in a few different places. for the most part, LDAP think their home is at /n/home, or /n/data/home. So, i have /home bind mounted to those locations, and, sith selinux off, its all nice and happy. Another weird thing, is that /home is local on these workstations, so when a user sits at a workstation for the first time, an empty homedir must be created. We hope to move to nfs /home soon, but not yet.
once i turn it on, however, users cannot log in, and the home directoies cannot be created. I get selinux messages like:
Summary:
SELinux is preventing sshd (sshd_t) "create" to ./nichols2 (home_root_t).
Detailed Description:
SELinux denied access requested by sshd. It is not expected that this access is
required by sshd and this access may signal an intrusion attempt. It is also
possible that the specific version or configuration of the application is
causing it to require additional access.
Allowing Access:
Sometimes labeling problems can cause SELinux denials. You could try to restore
the default system file context for ./nichols2,
restorecon -v './nichols2'
If this does not work, there is currently no automatic way to allow this access.
Instead, you can generate a local policy module to allow this access - see FAQ
(http://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385) Or you can disable
SELinux protection altogether. Disabling SELinux protection is not recommended.
Please file a bug report (http://bugzilla.redhat.com/bugzilla/enter_bug.cgi)
against this package.
Additional Information:
Source Context system_u:system_r:sshd_t:s0-s0:c0.c1023
Target Context system_u:object_r:home_root_t:s0
Target Objects ./nichols2 [ dir ]
Source sshd
Source Path /usr/sbin/sshd
Port <Unknown>
Host dhcp-0016533596-c5-74
Source RPM Packages openssh-server-5.1p1-2.fc9
Target RPM Packages
Policy RPM selinux-policy-3.3.1-103.fc9
Selinux Enabled True
Policy Type targeted
MLS Enabled True
Enforcing Mode Enforcing
Plugin Name catchall_file
Host Name dhcp-0016533596-c5-74
Platform Linux dhcp-0016533596-c5-74 2.6.26.6-79.fc9.i686
#1 SMP Fri Oct 17 14:52:14 EDT 2008 i686 i686
Alert Count 1
First Seen Tue Nov 4 10:49:41 2008
Last Seen Tue Nov 4 10:49:41 2008
Local ID 803e925f-1d6e-4473-9054-dbaf0c0f3abd
Line Numbers
Raw Audit Messages
host=dhcp-0016533596-c5-74 type=AVC msg=audit(1225813781.838:89): avc: denied { create } for pid=4956 comm="sshd" name="nichols2" scontext=system_u:system_r:sshd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:home_root_t:s0 tclass=dir
host=dhcp-0016533596-c5-74 type=SYSCALL msg=audit(1225813781.838:89): arch=40000003 syscall=39 success=no exit=-13 a0=b9b4f058 a1=1ed a2=8209e4 a3=b9b7d230 items=0 ppid=2341 pid=4956 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="sshd" exe="/usr/sbin/sshd" subj=system_u:system_r:sshd_t:s0-s0:c0.c1023 key=(null)
Thats for an ssh login attempt. I get the same for one via GDM. I've tried adding "context=system_r:object_r:home_root_t" when i bind mount the /home on /n/home etc, and no luck so far. do I need to relabel /n ? what/how should I? any help would be awesome.
Thanks,
Matt
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