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
