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    SubjectRe: [PATCH 12/12] Kconfig and Makefiles to enable configuration and building of AppArmor.
    On Mon, Feb 22, 2010 at 11:45:01PM -0800, John Johansen wrote:
    > Serge E. Hallyn wrote:
    > > Quoting john.johansen@canonical.com (john.johansen@canonical.com):
    > >> From: John Johansen <john.johansen@canonical.com>
    > >>
    >
    > << snip >>
    >
    > >> +config SECURITY_APPARMOR_NETWORK
    > >> + bool "AppArmor network support"
    > >> + depends on SECURITY_APPARMOR
    > >> + default n
    > >> + help
    > >> + This enables AppArmor to mediate applications network use.
    > >> + This will enable the SECURITY_NETWORK hooks.
    > >
    > > Is there a compelling reason to have SECURITY_APPARMOR_NETWORK? Does
    > > it impact performance? Is there older userspace that will just break?
    > >
    > No, not really anymore. There used to be a case where I was building
    > with network hooks off and this has just been carried forward.
    >
    > So it can go along with config APPARMOR_24_COMPAT, and I have even
    > been considering pulling the runtime disable as well as I don't
    > think there is a case for that either.

    Yeah, I'd actually support removing the runtime-disable too; I don't think
    I've seen its use in much of the existing AppArmor documentation.

    -Kees

    --
    Kees Cook
    Ubuntu Security Team


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