# Copyright 2020 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.
lseek: 1
faccessat: 1
brk: 1
clock_getres: 1
clock_gettime: 1
close: 1
connect: 1
epoll_create1: 1
epoll_ctl: 1
epoll_pwait: 1
fcntl: 1
fstat: 1
newfstatat: 1
futex: 1
getdents64: 1
getegid: 1
geteuid: 1
getgid: 1
getpid: 1
getresgid: 1
getresuid: 1
getsockname: 1
gettid: 1
gettimeofday: 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
# 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
openat: 1
pipe2: 1
ppoll: 1
read: 1
recvmsg: 1
rt_sigprocmask: 1
sendto: 1
sendmsg: 1
# Allow socket(domain == AF_UNIX)
socket: arg0 == AF_UNIX
socketpair: 1
write: 1