From b2068cf5a5d43f3898cf389ab2d6151cf61908ac Mon Sep 17 00:00:00 2001
From: Fabricio Voznika <fvoznika@google.com>
Date: Sat, 20 Oct 2018 11:12:26 -0700
Subject: Add more unimplemented syscall events

Added events for *ctl syscalls that may have multiple different commands.
For runsc, each syscall event is only logged once. For *ctl syscalls, use
the cmd as identifier, not only the syscall number.

PiperOrigin-RevId: 218015941
Change-Id: Ie3c19131ae36124861e9b492a7dbe1765d9e5e59
---
 pkg/sentry/fs/host/BUILD  |  1 +
 pkg/sentry/fs/host/tty.go | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

(limited to 'pkg/sentry/fs/host')

diff --git a/pkg/sentry/fs/host/BUILD b/pkg/sentry/fs/host/BUILD
index 4f264a024..d1eb9bd64 100644
--- a/pkg/sentry/fs/host/BUILD
+++ b/pkg/sentry/fs/host/BUILD
@@ -43,6 +43,7 @@ go_library(
         "//pkg/sentry/socket/control",
         "//pkg/sentry/socket/unix",
         "//pkg/sentry/socket/unix/transport",
+        "//pkg/sentry/unimpl",
         "//pkg/sentry/uniqueid",
         "//pkg/sentry/usermem",
         "//pkg/syserr",
diff --git a/pkg/sentry/fs/host/tty.go b/pkg/sentry/fs/host/tty.go
index cf3639c46..f0bcdc908 100644
--- a/pkg/sentry/fs/host/tty.go
+++ b/pkg/sentry/fs/host/tty.go
@@ -22,6 +22,7 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/context"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/kernel"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/unimpl"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
 	"gvisor.googlesource.com/gvisor/pkg/syserror"
 )
@@ -179,6 +180,35 @@ func (t *TTYFileOperations) Ioctl(ctx context.Context, io usermem.IO, args arch.
 		err := ioctlSetWinsize(fd, &winsize)
 		return 0, err
 
+	// Unimplemented commands.
+	case linux.TIOCSETD,
+		linux.TIOCSBRK,
+		linux.TIOCCBRK,
+		linux.TCSBRK,
+		linux.TCSBRKP,
+		linux.TIOCSTI,
+		linux.TIOCCONS,
+		linux.FIONBIO,
+		linux.TIOCEXCL,
+		linux.TIOCNXCL,
+		linux.TIOCGEXCL,
+		linux.TIOCNOTTY,
+		linux.TIOCSCTTY,
+		linux.TIOCGSID,
+		linux.TIOCGETD,
+		linux.TIOCVHANGUP,
+		linux.TIOCGDEV,
+		linux.TIOCMGET,
+		linux.TIOCMSET,
+		linux.TIOCMBIC,
+		linux.TIOCMBIS,
+		linux.TIOCGICOUNT,
+		linux.TCFLSH,
+		linux.TIOCSSERIAL,
+		linux.TIOCGPTPEER:
+
+		unimpl.EmitUnimplementedEvent(ctx)
+		fallthrough
 	default:
 		return 0, syserror.ENOTTY
 	}
-- 
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