[Bug 2813] sshd fails to start in user namespaces when the gid for tty is not mapped

bugzilla-daemon at bugzilla.mindrot.org bugzilla-daemon at bugzilla.mindrot.org
Sat Dec 1 12:22:45 AEDT 2018


Darren Tucker <dtucker at dtucker.net> changed:

           What    |Removed                     |Added
                 CC|                            |dtucker at dtucker.net

--- Comment #4 from Darren Tucker <dtucker at dtucker.net> ---
Do these containers use a chroot or equivalent?  If so, removing "tty"
from the groups file inside the chroot will cause sshd to use the
user's gid which sounds like what you want:

        /* Determine the group to make the owner of the tty. */
        grp = getgrnam("tty");
        gid = (grp != NULL) ? grp->gr_gid : pw->pw_gid;

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