linux-kernel - Re: [PATCH ghak96 v3] audit: issue CWD record to accompany LSM_AUDIT_DATA

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Message-ID: <CAHC9VhT59qkGZar0wUkNK7uVsKvHVQL4-P-gmw+99F8eTKkz-w@mail.gmail.com>
Date:   Wed, 8 Jul 2020 19:06:18 -0400
From:   Paul Moore <paul@...l-moore.com>
To:     Richard Guy Briggs <rgb@...hat.com>
Cc:     Linux-Audit Mailing List <linux-audit@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Security Module list 
        <linux-security-module@...r.kernel.org>,
        Eric Paris <eparis@...isplace.org>, john.johansen@...onical.com
Subject: Re: [PATCH ghak96 v3] audit: issue CWD record to accompany
 LSM_AUDIT_DATA_* records

On Fri, Jul 3, 2020 at 12:56 PM Richard Guy Briggs <rgb@...hat.com> wrote:
>
> The LSM_AUDIT_DATA_* records for PATH, FILE, IOCTL_OP, DENTRY and INODE
> are incomplete without the task context of the AUDIT Current Working
> Directory record.  Add it.
>
> This record addition can't use audit_dummy_context to determine whether
> or not to store the record information since the LSM_AUDIT_DATA_*
> records are initiated by various LSMs independent of any audit rules.
> context->in_syscall is used to determine if it was called in user
> context like audit_getname.
>
> Please see the upstream issue
> https://github.com/linux-audit/audit-kernel/issues/96
>
> Adapted from Vladis Dronov's v2 patch.
>
> Signed-off-by: Richard Guy Briggs <rgb@...hat.com>
> ---
> Passes audit-testsuite.
>
> Changelog:
> v3
> - adapt and refactor__audit_getname, don't key on dummy
>
> v2
> 2020-04-02 vdronov https://www.redhat.com/archives/linux-audit/2020-April/msg00004.html
> - convert to standalone CWD record
>
> v1:
> 2020-03-24 vdronov https://github.com/nefigtut/audit-kernel/commit/df0b55b7ab84e1c9faa588b08e547e604bf25c87
> - add cwd= field to LSM record
>
>  include/linux/audit.h |  9 ++++++++-
>  kernel/auditsc.c      | 17 +++++++++++++++--
>  security/lsm_audit.c  |  5 +++++
>  3 files changed, 28 insertions(+), 3 deletions(-)

Merged into audit/next, thanks.

-- 
paul moore
www.paul-moore.com