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SubjectRe: [PATCH RFC 00/48] Add namespace support for audit
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What kernel are these patches against?


On Tue, 2013-05-07 at 10:20 +0800, Gao feng wrote:
> This patchset try to add namespace support for audit.
>
> I choose to assign audit to the user namespace.
> Right now,there are six kinds of namespaces, such as
> net, mount, ipc, pid, uts and user. the first five
> namespaces have special usage. the audit isn't suitable to
> belong to these five namespaces, so the user namespace
> may be the best choice.
>
> Through I decide to make audit related resources per user
> namespace, but audit uses netlink to communicate between kernel
> space and user space, and the netlink is a private resource
> of per net namespace. So we need the capability to allow the
> netlink sockets to communicate with each other in the same user
> namespace even they are in different net namespace. [PATCH 2/48]
> does this job, it adds a new function "compare" for per netlink
> table to compare two sockets. it means the netlink protocols can
> has its own compare fuction, For other protocols, two netlink
> sockets are different if they belong to the different net namespace.
> For audit protocol, two sockets can be the same even they in different
> net namespace,we use user namespace not net namespace to make the
> decision.
>
> There is one point that some people may dislike,in [PATCH 1/48],
> the kernel side audit netlink socket is created only when we create
> the first netns for the userns, and this userns will hold the netns
> until we destroy this userns.
>
> The other patches just make the audit related resources per
> user namespace.
>
> This patchset is sent as an RFC,any comments are welcome.
>
> Gao feng (48):
> Audit: make audit kernel side netlink sock per userns
> netlink: Add compare function for netlink_table
> Audit: implement audit self-defined compare function
> Audit: make audit_skb_queue per user namespace
> Audit: make audit_skb_hold_queue per user namespace
> Audit: make kauditd_task per user namespace
> Audit: make audit_pid per user namespace
> Audit: make audit_nlk_portid per user namesapce
> Audit: make audit_enabled per user namespace
> Audit: change type of audit_ever_enabled to bool
> Audit: make audit_ever_enabled per user namespace
> Audit: make audit_initialized per user namespace
> Audit: only allow init user namespace to change audit_rate_limit
> Audit: only allow init user namespace to change audit_failure
> Audit: allow to send netlink message to auditd in uninit user
> namespace
> Audit: user proper user namespace in audit_log_config_change
> Audit: make kauditd_wait per user namespace
> Audit: make audit_backlog_wait per user namespace
> Audit: remove duplicate comments
> Audit: introduce new audit logging interface for user namespace
> Audit: pass proper user namespace to audit_log_common_recv_msg
> Audit: Log audit config change in uninit user namespace
> Audit: netfilter: Log xt table replace behavior in proper user
> namespace
> Audit: xt_AUDIT: Log audit message in proper user namespace
> Audit: send reply message to the auditd in proper user namespace
> Audit: make audit_inode_hash per user namespace
> Audit: make tree_list per user namespace
> Audit: make audit filter list per user namespace
> Audit: make audit_krule belongs to user namespace
> Audit: reply audit filter list request to proper user namespace
> Audit: pass proper user namespace to audit_filter_syscall
> Audit: pass proper user namespace to audit_filter_inode_name
> Audit: Log filter related audit message to proper user namespace
> Log audit tree related message in proper user namespace
> Audit: Log task related audit message to proper user namespace
> Audit: Log watch related audit message to proper user namespace
> Audit: translate audit_log_start to audit_log_start_ns
> Audit: tty: translate audit_log_start to audit_log_start_ns
> Audit: netlabel: translate audit_log_start to audit_log_start_ns
> Audit: ima: translate audit_log_start to audit_log_start_ns
> Audit: lsm: translate audit_log_start to audit_log_start_ns
> Audit: selinux: translate audit_log_start to audit_log_start_ns
> Audit: xfrm: translate audit_log_start to audit_log_start_ns
> Audit: rename audit_log_start_ns to audit_log_start
> Audit: user audit_enabled_ns to replace audit_enabled
> Audit: rename audit_enabled_ns to audit_enabled
> Audit: make audit_log user namespace awared
> Audit: allow root user of un-init user namespace to set audit
>
> drivers/tty/tty_audit.c | 9 +-
> include/linux/audit.h | 44 ++--
> include/linux/netlink.h | 1 +
> include/linux/user_namespace.h | 25 +++
> include/net/xfrm.h | 7 +-
> kernel/audit.c | 393 +++++++++++++++++++++---------------
> kernel/audit.h | 24 +--
> kernel/audit_tree.c | 49 ++---
> kernel/audit_watch.c | 23 ++-
> kernel/auditfilter.c | 76 +++----
> kernel/auditsc.c | 156 ++++++++------
> kernel/user.c | 19 ++
> kernel/user_namespace.c | 3 +
> net/core/dev.c | 12 +-
> net/ipv4/cipso_ipv4.c | 4 +-
> net/netfilter/x_tables.c | 9 +-
> net/netfilter/xt_AUDIT.c | 8 +-
> net/netlabel/netlabel_domainhash.c | 4 +-
> net/netlabel/netlabel_unlabeled.c | 8 +-
> net/netlabel/netlabel_user.c | 8 +-
> net/netlink/af_netlink.c | 26 ++-
> net/netlink/af_netlink.h | 1 +
> net/xfrm/xfrm_policy.c | 4 +-
> net/xfrm/xfrm_state.c | 14 +-
> security/apparmor/lib.c | 2 +-
> security/integrity/ima/ima_api.c | 5 +-
> security/integrity/ima/ima_audit.c | 11 +-
> security/integrity/ima/ima_policy.c | 5 +-
> security/lsm_audit.c | 8 +-
> security/selinux/avc.c | 3 +-
> security/selinux/hooks.c | 17 +-
> security/selinux/selinuxfs.c | 9 +-
> security/selinux/ss/services.c | 30 ++-
> security/smack/smack_lsm.c | 3 +-
> 34 files changed, 630 insertions(+), 390 deletions(-)
>




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