From: Casey Schaufler <casey@schaufler-ca.com> To: David Herrmann <dh.herrmann@gmail.com>, linux-kernel@vger.kernel.org Cc: James Morris <jmorris@namei.org>, Paul Moore <paul@paul-moore.com>, teg@jklm.no, Stephen Smalley <sds@tycho.nsa.gov>, selinux@tycho.nsa.gov, linux-security-module@vger.kernel.org, Eric Paris <eparis@parisplace.org>, serge@hallyn.com, davem@davemloft.net, netdev@vger.kernel.org, Casey Schaufler <casey@schaufler-ca.com> Subject: Re: [PATCH 0/3] Introduce LSM-hook for socketpair(2) Date: Mon, 23 Apr 2018 10:04:19 -0700 [thread overview] Message-ID: <32eea1d6-450c-bc68-59d6-74bc5011ead2@schaufler-ca.com> (raw) In-Reply-To: <20180423133015.5455-1-dh.herrmann@gmail.com> On 4/23/2018 6:30 AM, David Herrmann wrote: > Hi > > This series adds a new LSM hook for the socketpair(2) syscall. The idea > is to allow SO_PEERSEC to be called on AF_UNIX sockets created via > socketpair(2), and return the same information as if you emulated > socketpair(2) via a temporary listener socket. Right now SO_PEERSEC > will return the unlabeled credentials for a socketpair, rather than the > actual credentials of the creating process. > > ... > > This series only adds SELinux backends, since that is what we need for > RHEL. I will gladly extend the other LSMs if needed. I would be very happy to see a proposed patch for Smack. It shouldn't be much different from the SELinux version, with the exception that it will use pointers to smk_known structures instead of secids. It would be a big help, as someone just threw a whole new species of scorpion into this pit. > > Thanks > David > > [1] https://github.com/bus1/dbus-broker/blob/master/src/util/test-peersec.c > [2] https://www.spinics.net/lists/selinux/msg22674.html > > David Herrmann (3): > security: add hook for socketpair(AF_UNIX, ...) > net/unix: hook unix_socketpair() into LSM > selinux: provide unix_stream_socketpair callback > > include/linux/lsm_hooks.h | 8 ++++++++ > include/linux/security.h | 7 +++++++ > net/unix/af_unix.c | 5 +++++ > security/security.c | 6 ++++++ > security/selinux/hooks.c | 14 ++++++++++++++ > 5 files changed, 40 insertions(+) >
WARNING: multiple messages have this Message-ID (diff)
From: casey@schaufler-ca.com (Casey Schaufler) To: linux-security-module@vger.kernel.org Subject: [PATCH 0/3] Introduce LSM-hook for socketpair(2) Date: Mon, 23 Apr 2018 10:04:19 -0700 [thread overview] Message-ID: <32eea1d6-450c-bc68-59d6-74bc5011ead2@schaufler-ca.com> (raw) In-Reply-To: <20180423133015.5455-1-dh.herrmann@gmail.com> On 4/23/2018 6:30 AM, David Herrmann wrote: > Hi > > This series adds a new LSM hook for the socketpair(2) syscall. The idea > is to allow SO_PEERSEC to be called on AF_UNIX sockets created via > socketpair(2), and return the same information as if you emulated > socketpair(2) via a temporary listener socket. Right now SO_PEERSEC > will return the unlabeled credentials for a socketpair, rather than the > actual credentials of the creating process. > > ... > > This series only adds SELinux backends, since that is what we need for > RHEL. I will gladly extend the other LSMs if needed. I would be very happy to see a proposed patch for Smack. It shouldn't be much different from the SELinux version, with the exception that it will use pointers to smk_known structures instead of secids. It would be a big help, as someone just threw a whole new species of scorpion into this pit. > > Thanks > David > > [1] https://github.com/bus1/dbus-broker/blob/master/src/util/test-peersec.c > [2] https://www.spinics.net/lists/selinux/msg22674.html > > David Herrmann (3): > security: add hook for socketpair(AF_UNIX, ...) > net/unix: hook unix_socketpair() into LSM > selinux: provide unix_stream_socketpair callback > > include/linux/lsm_hooks.h | 8 ++++++++ > include/linux/security.h | 7 +++++++ > net/unix/af_unix.c | 5 +++++ > security/security.c | 6 ++++++ > security/selinux/hooks.c | 14 ++++++++++++++ > 5 files changed, 40 insertions(+) > -- To unsubscribe from this list: send the line "unsubscribe linux-security-module" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2018-04-23 17:04 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-04-23 13:30 [PATCH 0/3] Introduce LSM-hook for socketpair(2) David Herrmann 2018-04-23 13:30 ` David Herrmann 2018-04-23 13:30 ` [PATCH 1/3] security: add hook for socketpair(AF_UNIX, ...) David Herrmann 2018-04-23 13:30 ` David Herrmann 2018-04-23 13:30 ` [PATCH 2/3] net/unix: hook unix_socketpair() into LSM David Herrmann 2018-04-23 13:30 ` David Herrmann 2018-04-24 17:55 ` Paul Moore 2018-04-24 17:55 ` Paul Moore 2018-04-24 17:56 ` David Miller 2018-04-24 17:56 ` David Miller 2018-04-24 17:58 ` Paul Moore 2018-04-24 17:58 ` Paul Moore 2018-04-23 13:30 ` [PATCH 3/3] selinux: provide unix_stream_socketpair callback David Herrmann 2018-04-23 13:30 ` David Herrmann 2018-04-23 16:48 ` Stephen Smalley 2018-04-23 16:48 ` Stephen Smalley 2018-04-23 17:04 ` Casey Schaufler [this message] 2018-04-23 17:04 ` [PATCH 0/3] Introduce LSM-hook for socketpair(2) Casey Schaufler 2018-04-23 17:52 ` Serge E. Hallyn 2018-04-23 17:52 ` Serge E. Hallyn 2018-04-25 18:44 ` James Morris 2018-04-25 18:44 ` James Morris 2018-04-25 18:48 ` David Miller 2018-04-25 18:48 ` David Miller 2018-04-25 18:51 ` Paul Moore 2018-04-25 18:51 ` Paul Moore 2018-04-25 19:02 ` James Morris 2018-04-25 19:02 ` James Morris 2018-05-04 14:29 ` David Herrmann 2018-05-04 14:29 ` David Herrmann
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