| # Copyright (c) 2011 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. |
| # |
| # This file is used by CrosDisks to specify the seccomp filter policy for |
| # sandboxing AVFS processes on x86-32 platforms. |
| # |
| exit: 1 |
| read: 1 |
| write: 1 |
| # TODO(benchan): Prohibit or restrict write access. |
| # Investigate if open('/dev/fuse', O_RDWR) can be avoided. |
| open: 1 |
| close: 1 |
| waitpid: 1 |
| unlink: 1 |
| execve: 1 |
| chdir: 1 |
| time: 1 |
| mount: 1 |
| pause: 1 |
| access: 1 |
| mkdir: 1 |
| rmdir: 1 |
| brk: 1 |
| umask: 1 |
| dup2: 1 |
| setsid: 1 |
| gettimeofday: 1 |
| munmap: 1 |
| # Allow only these sub-calls: socketpair, sendmsg, recvmsg |
| socketcall: call==8 || call==16 || call==17 |
| sigreturn: 1 |
| clone: 1 |
| mprotect: 1 |
| # TODO(benchan): Check if fchdir can be prohibited (needed for chroot jail) |
| fchdir: 1 |
| _llseek: 1 |
| writev: 1 |
| poll: 1 |
| rt_sigaction: 1 |
| rt_sigprocmask: 1 |
| mmap2: 1 |
| stat64: 1 |
| lstat64: 1 |
| fstat64: 1 |
| getuid32: 1 |
| getgid32: 1 |
| geteuid32: 1 |
| setfsuid32: 1 |
| setfsgid32: 1 |
| madvise: 1 |
| getdents64: 1 |
| fcntl64: 1 |
| futex: 1 |
| set_thread_area: 1 |
| exit_group: 1 |
| tgkill: 1 |
| set_robust_list: 1 |
