diff options
| author | Kevin Krakauer <krakauer@google.com> | 2021-02-11 11:06:56 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-02-11 11:09:22 -0800 |
| commit | ae8d966f5af0bba9978a1aedac64038ef65a4cc9 (patch) | |
| tree | c6540f92ac18e178dcd0189302ee94e13c12b3d6 /pkg/sentry/fsimpl/devpts/master.go | |
| parent | 192780946fdf584c5e504b24f47dbd9bd411a3a6 (diff) | |
Assign controlling terminal when tty is opened and support NOCTTY
PiperOrigin-RevId: 357015186
Diffstat (limited to 'pkg/sentry/fsimpl/devpts/master.go')
| -rw-r--r-- | pkg/sentry/fsimpl/devpts/master.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/pkg/sentry/fsimpl/devpts/master.go b/pkg/sentry/fsimpl/devpts/master.go index b44117f40..93c031c89 100644 --- a/pkg/sentry/fsimpl/devpts/master.go +++ b/pkg/sentry/fsimpl/devpts/master.go @@ -164,10 +164,11 @@ func (mfd *masterFileDescription) Ioctl(ctx context.Context, io usermem.IO, args case linux.TIOCSCTTY: // Make the given terminal the controlling terminal of the // calling process. - return 0, mfd.t.setControllingTTY(ctx, args, true /* isMaster */) + steal := args[2].Int() == 1 + return 0, mfd.t.setControllingTTY(ctx, steal, true /* isMaster */, mfd.vfsfd.IsReadable()) case linux.TIOCNOTTY: // Release this process's controlling terminal. - return 0, mfd.t.releaseControllingTTY(ctx, args, true /* isMaster */) + return 0, mfd.t.releaseControllingTTY(ctx, true /* isMaster */) case linux.TIOCGPGRP: // Get the foreground process group. return mfd.t.foregroundProcessGroup(ctx, args, true /* isMaster */) |