diff options
Diffstat (limited to 'src/seccomp.c')
| -rw-r--r-- | src/seccomp.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/src/seccomp.c b/src/seccomp.c index 7c8a31443b43..a5abb4a159f9 100644 --- a/src/seccomp.c +++ b/src/seccomp.c @@ -27,7 +27,7 @@ #include "file.h" #ifndef lint -FILE_RCSID("@(#)$File: seccomp.c,v 1.2 2017/11/04 01:14:25 christos Exp $") +FILE_RCSID("@(#)$File: seccomp.c,v 1.6 2018/06/26 20:29:29 christos Exp $") #endif /* lint */ #if HAVE_LIBSECCOMP @@ -59,12 +59,7 @@ enable_sandbox_basic(void) if (prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0) == -1) return -1; -#if 0 - // prevent escape via ptrace - prctl(PR_SET_DUMPABLE, 0); -#endif - - if (prctl (PR_SET_DUMPABLE, 0, 0, 0, 0) == -1) + if (prctl(PR_SET_DUMPABLE, 0, 0, 0, 0) == -1) return -1; // initialize the filter @@ -169,15 +164,26 @@ enable_sandbox_full(void) ALLOW_RULE(exit); ALLOW_RULE(exit_group); ALLOW_RULE(fcntl); + ALLOW_RULE(fcntl64); ALLOW_RULE(fstat); + ALLOW_RULE(fstat64); ALLOW_RULE(getdents); +#ifdef __NR_getdents64 + ALLOW_RULE(getdents64); +#endif ALLOW_RULE(ioctl); ALLOW_RULE(lseek); + ALLOW_RULE(_llseek); ALLOW_RULE(lstat); + ALLOW_RULE(lstat64); ALLOW_RULE(mmap); + ALLOW_RULE(mmap2); ALLOW_RULE(mprotect); ALLOW_RULE(mremap); ALLOW_RULE(munmap); +#ifdef __NR_newfstatat + ALLOW_RULE(newfstatat); +#endif ALLOW_RULE(open); ALLOW_RULE(openat); ALLOW_RULE(pread64); @@ -188,6 +194,7 @@ enable_sandbox_full(void) ALLOW_RULE(rt_sigreturn); ALLOW_RULE(select); ALLOW_RULE(stat); + ALLOW_RULE(stat64); ALLOW_RULE(sysinfo); ALLOW_RULE(unlink); ALLOW_RULE(write); |