Put seccomp policy files in a common directory

We will almost certainly require different seccomp policy files for
different architectures.  Move all the existing secommp policy files
into a common directory grouped by architecture.

This will make it easier to install them via the ebuild later.

BUG=none
TEST=none

Change-Id: I0495789cd4143dc374ee6ebe083dc20ce724edbb
Signed-off-by: Chirantan Ekbote <chirantan@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/630058
Reviewed-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/seccomp/x86_64/net_device.policy b/seccomp/x86_64/net_device.policy
new file mode 100644
index 0000000..61a1753
--- /dev/null
+++ b/seccomp/x86_64/net_device.policy
@@ -0,0 +1,22 @@
+# Copyright 2017 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+close: 1
+exit_group: 1
+futex: 1
+# Disallow mmap with PROT_EXEC set.  The syntax here doesn't allow bit
+# negation, thus the manually negated mask constant.
+mmap: arg2 in 0xfffffffb
+mprotect: arg2 in 0xfffffffb
+munmap: 1
+poll: 1
+read: 1
+recvfrom: 1
+sched_getaffinity: 1
+set_robust_list: 1
+sigaltstack: 1
+# Disallow clone's other than new threads.
+# arg0 is flags. Because kernel.
+clone: arg0 & 0x00010000
+write: 1