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On 05/02/2010 02:13 PM, Göran Uddeborg wrote:
> I tried to set up root ssh access between a couple of (carefully
> selected) hosts. For root the standard /etc/hosts.equiv and
> /etc/ssh/shosts.equiv isn't recoginzed, so I created an /root/.shosts.
>
> But it turns out that sshd isn't allowed to read this file. The
> complete AVC:s below. Is this an intentional restriction? That
> hostbased root access via ssh is not allowed in the standard policy?
> Or is it a bug I could report in bugzilla?
>
> time->Sun May 2 19:57:09 2010
> type=SYSCALL msg=audit(1272823029.521:20484): arch=c000003e syscall=4 success=no exit=-13 a0=7fff2fb22cb0 a1=7fff2fb22c20 a2=7fff2fb22c20 a3=fffffff9 items=0 ppid=2920 pid=2922 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)
> type=AVC msg=audit(1272823029.521:20484): avc: denied { getattr } for pid=2922 comm="sshd" path="/root/.shosts" dev=sda2 ino=7031802 scontext=system_u:system_r:sshd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:admin_home_t:s0 tclass=file
> ----
> time->Sun May 2 19:57:09 2010
> type=SYSCALL msg=audit(1272823029.533:20485): arch=c000003e syscall=4 success=no exit=-13 a0=7fff2fb22cb0 a1=7fff2fb22c20 a2=7fff2fb22c20 a3=fffffff9 items=0 ppid=2920 pid=2922 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)
> type=AVC msg=audit(1272823029.533:20485): avc: denied { getattr } for pid=2922 comm="sshd" path="/root/.shosts" dev=sda2 ino=7031802 scontext=system_u:system_r:sshd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:admin_home_t:s0 tclass=file
> ----
> time->Sun May 2 19:57:09 2010
> type=SYSCALL msg=audit(1272823029.536:20487): arch=c000003e syscall=4 success=no exit=-13 a0=7fff2fb22cb0 a1=7fff2fb22c20 a2=7fff2fb22c20 a3=fffffff9 items=0 ppid=2920 pid=2922 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)
> type=AVC msg=audit(1272823029.536:20487): avc: denied { getattr } for pid=2922 comm="sshd" path="/root/.shosts" dev=sda2 ino=7031802 scontext=system_u:system_r:sshd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:admin_home_t:s0 tclass=file
> ----
> time->Sun May 2 19:57:09 2010
> type=SYSCALL msg=audit(1272823029.539:20488): arch=c000003e syscall=4 success=no exit=-13 a0=7fff2fb22cb0 a1=7fff2fb22c20 a2=7fff2fb22c20 a3=fffffff9 items=0 ppid=2920 pid=2922 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)
> type=AVC msg=audit(1272823029.539:20488): avc: denied { getattr } for pid=2922 comm="sshd" path="/root/.shosts" dev=sda2 ino=7031802 scontext=system_u:system_r:sshd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:admin_home_t:s0 tclass=file
> --
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>
I did not even know this file exists.
chcon -t home_ssh_t /root/.shost
Should fix the problem. I will add this as default labeling in F13 and F12.
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