| # Copyright 2019 The ChromiumOS Authors |
| # 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 cups_proxy. |
| # rseq should be first due to frequency and purpose to decrease nptl latency |
| rseq: 1 |
| |
| accept4: 1 |
| bind: 1 |
| brk: 1 |
| clock_getres: 1 |
| clock_gettime: 1 |
| clone: 1 |
| close: 1 |
| connect: 1 |
| epoll_create1: 1 |
| epoll_ctl: 1 |
| epoll_pwait: 1 |
| eventfd2: 1 |
| exit: 1 |
| exit_group: 1 |
| faccessat: 1 |
| faccessat2: 1 |
| fchmodat: 1 |
| fcntl: 1 |
| fstat: 1 |
| futex: 1 |
| getdents64: 1 |
| getegid: 1 |
| geteuid: 1 |
| getgid: 1 |
| getpid: 1 |
| getrandom: arg2 in ~GRND_RANDOM |
| getresgid: 1 |
| getresuid: 1 |
| getsockname: 1 |
| getsockopt: 1 |
| gettid: 1 |
| gettimeofday: 1 |
| getuid: 1 |
| listen: 1 |
| lseek: 1 |
| madvise: 1 |
| memfd_create: 1 |
| # Prevent mmap and mprotect region to have PROT_WRITE|PROT_EXEC. |
| mmap: arg2 in ~PROT_EXEC || arg2 in ~PROT_WRITE |
| mprotect: arg2 in ~PROT_EXEC || arg2 in ~PROT_WRITE |
| munmap: 1 |
| newfstatat: 1 |
| openat: 1 |
| pipe2: 1 |
| ppoll: 1 |
| prctl: arg0 == PR_SET_NAME |
| pselect6: 1 |
| read: 1 |
| recvmsg: 1 |
| restart_syscall: 1 |
| rt_sigaction: 1 |
| rt_sigprocmask: 1 |
| rt_sigreturn: 1 |
| sched_yield: 1 |
| sendmsg: 1 |
| sendto: 1 |
| set_robust_list: 1 |
| setpriority: 1 |
| setsockopt: 1 |
| shutdown: 1 |
| signalfd4: 1 |
| socket: arg0 == AF_UNIX |
| tgkill: 1 |
| uname: 1 |
| unlinkat: 1 |
| write: 1 |
| fstatfs: 1 |
