Paul Moore pisze:
[..]
> On Fri, 13 Jul 2007, Michal Piotrowski wrote:
>> My system is too secure, I can not login :)
>>
>> Do you have CONFIG_NETLABEL=y ?
>>
>> If so, please try disabling it.
>
> Disabling NetLabel should solve the problem.
Disabling NetLabel solves the problem.
> The recommended solution to this problem, as discussed on the SELinux list and mentioned in the patch description, is to upgrade your SELinux policy to the latest Reference Policy sources. For those with custom SELinux policy, the patch description explains the changes to the SELinux policy required.
I'm sorry to say this, but this kind of patches should not be accepted.
Patch
commit 9faf65fb6ee2b4e08325ba2d69e5ccf0c46453d0
Author: Paul Moore <[email protected]>
Date: Fri Jun 29 11:48:16 2007 -0400
SELinux: use SECINITSID_NETMSG instead of SECINITSID_UNLABELED for NetLabel
These changes will make NetLabel behave like labeled IPsec where there is an
access check for both labeled and unlabeled packets as well as providing the
ability to restrict domains to receiving only labeled packets when NetLabel
is in use. The changes to the policy are straight forward with the
following necessary to receive labeled traffic (with SECINITSID_NETMSG
defined as "netlabel_peer_t"):
allow mydom_t netlabel_peer_t:{ tcp_socket udp_socket rawip_socket } recvfrom;
The policy for unlabeled traffic would be:
allow mydom_t unlabeled_t:{ tcp_socket udp_socket rawip_socket } recvfrom;
These policy changes, as well as more general NetLabel support, are included
in the SELinux Reference Policy SVN tree, r2352 or later. Users who enable
NetLabel support in the kernel are strongly encouraged to upgrade their
policy to avoid network problems.
Signed-off-by: Paul Moore <[email protected]>
Signed-off-by: James Morris <[email protected]>
breaks systems with recent selinux policy.
(rpm -qa selinux-policy-*
selinux-policy-devel-2.6.4-25.fc7
selinux-policy-targeted-2.6.4-25.fc7)
I will add this as a regression unless Linus says "Fsck it! We don't care about compatibility"
>
> If needed I can post more instructions later, let me know, but right now I'm tapping this out on my phone while at the airport.
>
> . paul moore
> . linux security @ hp
>
>
>
Regards,
Michal
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