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authorVenkat Yekkirala <vyekkirala@TrustedCS.com>2006-08-05 10:17:57 +0400
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-23 01:53:36 +0400
commit7420ed23a4f77480b5b7b3245e5da30dd24b7575 (patch)
tree016f5bb996c5eae66754b10243c5be6226d773f2 /net/Kconfig
parent96cb8e3313c7a12e026c1ed510522ae6f6023875 (diff)
downloadlinux-7420ed23a4f77480b5b7b3245e5da30dd24b7575.tar.xz
[NetLabel]: SELinux support
Add NetLabel support to the SELinux LSM and modify the socket_post_create() LSM hook to return an error code. The most significant part of this patch is the addition of NetLabel hooks into the following SELinux LSM hooks: * selinux_file_permission() * selinux_socket_sendmsg() * selinux_socket_post_create() * selinux_socket_sock_rcv_skb() * selinux_socket_getpeersec_stream() * selinux_socket_getpeersec_dgram() * selinux_sock_graft() * selinux_inet_conn_request() The basic reasoning behind this patch is that outgoing packets are "NetLabel'd" by labeling their socket and the NetLabel security attributes are checked via the additional hook in selinux_socket_sock_rcv_skb(). NetLabel itself is only a labeling mechanism, similar to filesystem extended attributes, it is up to the SELinux enforcement mechanism to perform the actual access checks. In addition to the changes outlined above this patch also includes some changes to the extended bitmap (ebitmap) and multi-level security (mls) code to import and export SELinux TE/MLS attributes into and out of NetLabel. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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