From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Richard Haines <richard_c_haines@btinternet.com>
Cc: selinux@vger.kernel.org, linux-security-module@vger.kernel.org,
osmocom-net-gprs@lists.osmocom.org, netdev@vger.kernel.org,
stephen.smalley.work@gmail.com, paul@paul-moore.com,
laforge@gnumonks.org, jmorris@namei.org
Subject: Re: [PATCH 0/3] Add LSM/SELinux support for GPRS Tunneling Protocol (GTP)
Date: Wed, 30 Sep 2020 12:17:36 +0200 [thread overview]
Message-ID: <20200930101736.GA18687@salvia> (raw)
In-Reply-To: <20200930094934.32144-1-richard_c_haines@btinternet.com>
On Wed, Sep 30, 2020 at 10:49:31AM +0100, Richard Haines wrote:
> These patches came about after looking at 5G open source in particular
> the updated 5G GTP driver at [1]. As this driver is still under
> development, added the LSM/SELinux hooks to the current stable GTP
> version in kernel selinux-next [2]. Similar hooks have also been
> implemented in [1] as it uses the same base code as the current 3G
> version (except that it handles different packet types).
Yes, [1] looks like it is based on the existing 3G driver in the Linux
tree.
> To test the 3G GTP driver there is an RFC patch for the selinux-testsuite
> at [3].
>
> To enable the selinux-testsuite GTP tests, the libgtpnl [4] library and
> tools needed to be modified to:
> Return ERRNO on error to detect EACCES, Add gtp_match_tunnel function,
> Allow gtp-link to specify port numbers for multiple instances to
> run in the same namespace.
>
> A patch for libgtpnl is supplied in the selinux-testsuite patch as well
> as setup/test instructions (libgtpnl is not packaged by Fedora)
>
> These patches were tested on Fedora 32 with kernel [2] using the
> 'targeted' policy. Also ran the Linux Kernel GTP-U basic tests [5].
I don't remember to have seen anything similar in the existing tunnel
net_devices.
Why do you need this?
> [1] https://github.com/PrinzOwO/gtp5g
next prev parent reply other threads:[~2020-09-30 10:23 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-30 9:49 [PATCH 0/3] Add LSM/SELinux support for GPRS Tunneling Protocol (GTP) Richard Haines
2020-09-30 9:49 ` [PATCH 1/3] security: Add GPRS Tunneling Protocol (GTP) security hooks Richard Haines
2020-09-30 9:49 ` [PATCH 2/3] gtp: Add LSM hooks to GPRS Tunneling Protocol (GTP) Richard Haines
2020-09-30 9:49 ` [PATCH 3/3] selinux: Add SELinux GTP support Richard Haines
2020-09-30 11:01 ` Harald Welte
2020-09-30 12:25 ` Richard Haines
2020-09-30 13:38 ` Harald Welte
2020-10-12 2:09 ` Paul Moore
2020-10-12 9:38 ` Harald Welte
2020-10-13 13:55 ` Paul Moore
2020-10-13 16:38 ` Richard Haines
2020-10-13 20:42 ` Harald Welte
2020-09-30 10:17 ` Pablo Neira Ayuso [this message]
2020-09-30 12:20 ` [PATCH 0/3] Add LSM/SELinux support for GPRS Tunneling Protocol (GTP) Richard Haines
2020-09-30 12:30 ` Pablo Neira Ayuso
2020-09-30 15:56 ` Casey Schaufler
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