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authorPaul Moore <paul.moore@hp.com>2006-08-03 16:48:06 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 14:53:33 -0700
commit446fda4f26822b2d42ab3396aafcedf38a9ff2b6 (patch)
tree1e095b7f705fafe0e301b7ce0c61a1f92a2a6a8d /net/netlabel/netlabel_domainhash.h
parent11a03f78fbf15a866ba3bf6359a75cdfd1ced703 (diff)
downloadlinux-2.6.34-ux500-446fda4f26822b2d42ab3396aafcedf38a9ff2b6.tar.gz
[NetLabel]: CIPSOv4 engine
Add support for the Commercial IP Security Option (CIPSO) to the IPv4 network stack. CIPSO has become a de-facto standard for trusted/labeled networking amongst existing Trusted Operating Systems such as Trusted Solaris, HP-UX CMW, etc. This implementation is designed to be used with the NetLabel subsystem to provide explicit packet labeling to LSM developers. The CIPSO/IPv4 packet labeling works by the LSM calling a NetLabel API function which attaches a CIPSO label (IPv4 option) to a given socket; this in turn attaches the CIPSO label to every packet leaving the socket without any extra processing on the outbound side. On the inbound side the individual packet's sk_buff is examined through a call to a NetLabel API function to determine if a CIPSO/IPv4 label is present and if so the security attributes of the CIPSO label are returned to the caller of the NetLabel API function. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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