Date: Tue, 30 Jul 2002 18:51:34 -0700 (PDT) From: Robert Watson <rwatson@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/kern uipc_mbuf.c Message-ID: <200207310151.g6V1pY2s018841@freefall.freebsd.org>
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rwatson 2002/07/30 18:51:34 PDT
Modified files:
sys/kern uipc_mbuf.c
Log:
Introduce support for Mandatory Access Control and extensible
kernel access control.
Invoke additional MAC entry points when an mbuf packet header is
copied to another mbuf: release the old label if any, reinitialize
the new header, and ask the MAC framework to copy the header label
data. Note that this requires a potential allocation operation,
but m_copy_pkthdr() is not permitted to fail, so we must block.
Since we now use interrupt threads, this is possible, but not
desirable.
Obtained from: TrustedBSD Project
Sponsored by: DARPA, NAI Labs
Revision Changes Path
1.96 +14 -0 src/sys/kern/uipc_mbuf.c
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