| # 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. |
| |
| # This file lists out the seccomp policy for allowed syscalls on midis. |
| access: 1 |
| brk: 1 |
| clock_getres: 1 |
| close: 1 |
| connect: 1 |
| epoll_create1: 1 |
| epoll_ctl: 1 |
| epoll_wait: 1 |
| fcntl: 1 |
| fstat: 1 |
| futex: 1 |
| getdents: 1 |
| getegid: 1 |
| geteuid: 1 |
| getgid: 1 |
| getresgid: 1 |
| getresuid: 1 |
| getsockname: 1 |
| gettid: 1 |
| getuid: 1 |
| # Allow the following ALSA sequencer IOCTLs: |
| # - TCGETS |
| # - SNDRV_SEQ_IOCTL_PVERSION |
| # - SNDRV_SEQ_IOCTL_CLIENT_ID |
| # - SNDRV_SEQ_IOCTL_RUNNING_MODE |
| # - SNDRV_SEQ_IOCTL_GET_CLIENT_INFO |
| # - SNDRV_SEQ_IOCTL_SET_CLIENT_INFO |
| # - SNDRV_SEQ_IOCTL_CREATE_PORT |
| # - SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT |
| # - SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT |
| # - SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT |
| # - SNDRV_SEQ_IOCTL_DELETE_PORT |
| # - SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT |
| ioctl: arg1 == 0x5401 || arg1 == 0x80045300 || arg1 == 0x80045301 || arg1 == 0xc0105303 || arg1 == 0xc0bc5310 || arg1 == 0x40bc5311 || arg1 == 0xc0a85320 || arg1 == 0x40505330 || arg1 == 0xc0a85352 || arg1 == 0x40505331 || arg1 == 0x40a85321 || arg1 == 0xc0bc5351 |
| lseek: 1 |
| # mmap should only be allowed in READ mode. |
| mmap: arg2 in 0xfffffffb || arg2 in 0xfffffffd |
| # mprotect should only be allowed in READ mode. |
| mprotect: arg2 in 0xfffffffb || arg2 in 0xfffffffd |
| munmap: 1 |
| open: 1 |
| pipe2: 1 |
| poll: 1 |
| read: 1 |
| recvmsg: 1 |
| sendmsg: 1 |
| sendto: 1 |
| # Allow socket(domain == AF_UNIX) |
| socket: arg0 == 0x1 |
| socketpair: 1 |
| stat: 1 |
| write: 1 |
