From: Steve Grubb <sgrubb@redhat.com>
To: linux-audit@redhat.com
Cc: Richard Guy Briggs <rgb@redhat.com>,
cgroups@vger.kernel.org, containers@lists.linux-foundation.org,
linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>,
netdev@vger.kernel.org, ebiederm@xmission.com, luto@kernel.org,
jlayton@redhat.com, carlos@redhat.com, dhowells@redhat.com,
viro@zeniv.linux.org.uk, simo@redhat.com, eparis@parisplace.org,
serge@hallyn.com
Subject: Re: [RFC PATCH ghak32 V2 00/13] audit: implement container id
Date: Wed, 30 May 2018 09:20:01 -0400 [thread overview]
Message-ID: <23151436.iBN3rkXKiY@x2> (raw)
In-Reply-To: <cover.1521179281.git.rgb@redhat.com>
On Friday, March 16, 2018 5:00:27 AM EDT Richard Guy Briggs wrote:
> Implement audit kernel container ID.
>
> This patchset is a second RFC based on the proposal document (V3)
> posted:
> https://www.redhat.com/archives/linux-audit/2018-January/msg00014.html
So, if you work on a container orchestrator, how exactly is this set of
interfaces to be used and in what order?
Thanks,
-Steve
> The first patch implements the proc fs write to set the audit container
> ID of a process, emitting an AUDIT_CONTAINER record to announce the
> registration of that container ID on that process. This patch requires
> userspace support for record acceptance and proper type display.
>
> The second checks for children or co-threads and refuses to set the
> container ID if either are present. (This policy could be changed to
> set both with the same container ID provided they meet the rest of the
> requirements.)
>
> The third implements the auxiliary record AUDIT_CONTAINER_INFO if a
> container ID is identifiable with an event. This patch requires
> userspace support for proper type display.
>
> The fourth adds container ID filtering to the exit, exclude and user
> lists. This patch requires auditctil userspace support for the
> --containerid option.
>
> The 5th adds signal and ptrace support.
>
> The 6th creates a local audit context to be able to bind a standalone
> record with a locally created auxiliary record.
>
> The 7th, 8th, 9th, 10th patches add container ID records to standalone
> records. Some of these may end up being syscall auxiliary records and
> won't need this specific support since they'll be supported via
> syscalls.
>
> The 11th adds network namespace container ID labelling based on member
> tasks' container ID labels.
>
> The 12th adds container ID support to standalone netfilter records that
> don't have a task context and lists each container to which that net
> namespace belongs.
>
> The 13th implements reading the container ID from the proc filesystem
> for debugging. This patch isn't planned for upstream inclusion.
>
> Feedback please!
>
> Example: Set a container ID of 123456 to the "sleep" task:
> sleep 2&
> child=$!
> echo 123456 > /proc/$child/containerid; echo $?
> ausearch -ts recent -m container
> echo child:$child contid:$( cat /proc/$child/containerid)
> This should produce a record such as:
> type=CONTAINER msg=audit(1521122590.315:222): op=set pid=689 uid=0
> subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 auid=0 tty=pts0
> ses=3 opid=707 old-contid=18446744073709551615 contid=123456 res=1
>
> Example: Set a filter on a container ID 123459 on /tmp/tmpcontainerid:
> containerid=123459
> key=tmpcontainerid
> auditctl -a exit,always -F dir=/tmp -F perm=wa -F containerid=$containerid
> -F key=$key perl -e "sleep 1; open(my \$tmpfile, '>', \"/tmp/$key\");
> close(\$tmpfile);" & child=$!
> echo $containerid > /proc/$child/containerid
> sleep 2
> ausearch -i -ts recent -k $key
> auditctl -d exit,always -F dir=/tmp -F perm=wa -F containerid=$containerid
> -F key=$key rm -f /tmp/$key
> This should produce an event such as:
> type=CONTAINER_INFO msg=audit(1521122591.614:227): op=task contid=123459
> type=PROCTITLE msg=audit(1521122591.614:227):
> proctitle=7065726C002D6500736C65657020313B206F70656E286D792024746D7066696C
> 652C20273E272C20222F746D702F746D70636F6E7461696E6572696422293B20636C6F73652
> 824746D7066696C65293B type=PATH msg=audit(1521122591.614:227): item=1
> name="/tmp/tmpcontainerid" inode=18427 dev=00:26 mode=0100644 ouid=0
> ogid=0 rdev=00:00 obj=unconfined_u:object_r:user_tmp_t:s0 nametype=CREATE
> cap_fp=0000000000000000 cap_fi=0000000000000000 cap_fe=0 cap_fver=0
> type=PATH msg=audit(1521122591.614:227): item=0 name="/tmp/" inode=13513
> dev=00:26 mode=041777 ouid=0 ogid=0 rdev=00:00
> obj=system_u:object_r:tmp_t:s0 nametype=PARENT cap_fp=0000000000000000
> cap_fi=0000000000000000 cap_fe=0 cap_fver=0 type=CWD
> msg=audit(1521122591.614:227): cwd="/root"
> type=SYSCALL msg=audit(1521122591.614:227): arch=c000003e syscall=257
> success=yes exit=3 a0=ffffffffffffff9c a1=55db90a28900 a2=241 a3=1b6
> items=2 ppid=689 pid=724 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0
> sgid=0 fsgid=0 tty=pts0 ses=3 comm="perl" exe="/usr/bin/perl"
> subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
> key="tmpcontainerid"
>
> See:
> https://github.com/linux-audit/audit-kernel/issues/32
> https://github.com/linux-audit/audit-userspace/issues/40
> https://github.com/linux-audit/audit-testsuite/issues/64
>
> Richard Guy Briggs (13):
> audit: add container id
> audit: check children and threading before allowing containerid
> audit: log container info of syscalls
> audit: add containerid filtering
> audit: add containerid support for ptrace and signals
> audit: add support for non-syscall auxiliary records
> audit: add container aux record to watch/tree/mark
> audit: add containerid support for tty_audit
> audit: add containerid support for config/feature/user records
> audit: add containerid support for seccomp and anom_abend records
> audit: add support for containerid to network namespaces
> audit: NETFILTER_PKT: record each container ID associated with a netNS
> debug audit: read container ID of a process
>
> drivers/tty/tty_audit.c | 5 +-
> fs/proc/base.c | 53 ++++++++++++++++
> include/linux/audit.h | 43 +++++++++++++
> include/linux/init_task.h | 4 +-
> include/linux/sched.h | 1 +
> include/net/net_namespace.h | 12 ++++
> include/uapi/linux/audit.h | 8 ++-
> kernel/audit.c | 75 ++++++++++++++++++++---
> kernel/audit.h | 3 +
> kernel/audit_fsnotify.c | 5 +-
> kernel/audit_tree.c | 5 +-
> kernel/audit_watch.c | 33 +++++-----
> kernel/auditfilter.c | 52 +++++++++++++++-
> kernel/auditsc.c | 145
> ++++++++++++++++++++++++++++++++++++++++++-- kernel/nsproxy.c |
> 6 ++
> net/core/net_namespace.c | 45 ++++++++++++++
> net/netfilter/xt_AUDIT.c | 15 ++++-
> 17 files changed, 473 insertions(+), 37 deletions(-)
next prev parent reply other threads:[~2018-05-30 13:20 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-16 9:00 [RFC PATCH ghak32 V2 00/13] audit: implement container id Richard Guy Briggs
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 01/13] audit: add " Richard Guy Briggs
2018-03-28 18:39 ` Jonathan Corbet
2018-03-29 9:01 ` Richard Guy Briggs
2018-03-29 13:03 ` Jonathan Corbet
2018-03-30 5:06 ` Richard Guy Briggs
2018-04-18 23:47 ` Paul Moore
2018-04-19 0:41 ` Casey Schaufler
2018-04-19 0:46 ` Paul Moore
2018-04-19 1:15 ` Casey Schaufler
2018-04-21 14:34 ` Richard Guy Briggs
2018-04-23 23:15 ` Paul Moore
2018-04-24 2:02 ` Richard Guy Briggs
2018-04-24 19:01 ` Paul Moore
2018-04-25 0:40 ` Richard Guy Briggs
2018-04-26 22:47 ` Paul Moore
2018-05-06 16:51 ` Richard Guy Briggs
2018-05-17 21:00 ` Steve Grubb
2018-05-17 21:56 ` Richard Guy Briggs
2018-05-18 13:56 ` Steve Grubb
2018-05-18 15:21 ` Richard Guy Briggs
2018-05-18 15:38 ` Steve Grubb
2018-06-01 21:04 ` Richard Guy Briggs
2018-06-04 16:09 ` Steve Grubb
2018-06-04 20:23 ` Richard Guy Briggs
2018-06-04 20:30 ` Richard Guy Briggs
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 02/13] audit: check children and threading before allowing containerid Richard Guy Briggs
2018-04-19 0:11 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 03/13] audit: log container info of syscalls Richard Guy Briggs
2018-05-17 21:09 ` Steve Grubb
2018-05-17 21:41 ` Richard Guy Briggs
2018-05-21 19:19 ` Steve Grubb
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 04/13] audit: add containerid filtering Richard Guy Briggs
2018-04-19 0:24 ` Paul Moore
2018-04-19 12:17 ` Richard Guy Briggs
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 05/13] audit: add containerid support for ptrace and signals Richard Guy Briggs
2018-04-19 0:32 ` Paul Moore
2018-04-20 1:03 ` Richard Guy Briggs
2018-04-20 16:13 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 06/13] audit: add support for non-syscall auxiliary records Richard Guy Briggs
2018-04-19 0:39 ` Paul Moore
2018-04-20 1:23 ` Richard Guy Briggs
2018-04-20 16:21 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 07/13] audit: add container aux record to watch/tree/mark Richard Guy Briggs
2018-04-19 0:42 ` Paul Moore
2018-04-19 12:24 ` Richard Guy Briggs
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 08/13] audit: add containerid support for tty_audit Richard Guy Briggs
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 09/13] audit: add containerid support for config/feature/user records Richard Guy Briggs
2018-04-19 1:27 ` Paul Moore
2018-04-19 12:31 ` Richard Guy Briggs
2018-04-19 12:59 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 10/13] audit: add containerid support for seccomp and anom_abend records Richard Guy Briggs
2018-04-19 1:31 ` Paul Moore
2018-04-20 0:42 ` Richard Guy Briggs
2018-04-20 16:11 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 11/13] audit: add support for containerid to network namespaces Richard Guy Briggs
2018-04-19 1:46 ` Paul Moore
2018-04-20 20:02 ` Richard Guy Briggs
2018-04-20 20:22 ` Paul Moore
2018-04-20 20:42 ` Richard Guy Briggs
2018-04-21 12:10 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 12/13] audit: NETFILTER_PKT: record each container ID associated with a netNS Richard Guy Briggs
2018-04-19 2:10 ` Paul Moore
2018-04-19 12:45 ` Richard Guy Briggs
2018-04-19 13:13 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 13/13] debug audit: read container ID of a process Richard Guy Briggs
2018-05-21 19:16 ` Steve Grubb
2018-05-21 19:19 ` Eric W. Biederman
2018-05-21 20:06 ` Paul Moore
2018-05-22 17:35 ` Richard Guy Briggs
2018-05-22 18:59 ` Paul Moore
2018-05-30 13:20 ` Steve Grubb [this message]
2018-05-30 17:33 ` [RFC PATCH ghak32 V2 00/13] audit: implement container id Richard Guy Briggs
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