getentropy() and sendsyslog() have been around long enough.

openssh-portable may want the #ifdef's but not base.
discussed with djm few weeks back

diff --git a/usr.bin/ssh/sandbox-systrace.c b/usr.bin/ssh/sandbox-systrace.c
index fc0e81d..d53fa25 100644 (file)
--- a/usr.bin/ssh/sandbox-systrace.c
+++ b/usr.bin/ssh/sandbox-systrace.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sandbox-systrace.c,v 1.14 2015/01/20 23:14:00 deraadt Exp $ */
+/* $OpenBSD: sandbox-systrace.c,v 1.15 2015/05/18 15:06:05 deraadt Exp $ */
 /*
  * Copyright (c) 2011 Damien Miller <djm@mindrot.org>
  *
@@ -46,31 +46,22 @@ struct sandbox_policy {
 
 /* Permitted syscalls in preauth. Unlisted syscalls get SYSTR_POLICY_KILL */
 static const struct sandbox_policy preauth_policy[] = {
-       { SYS_open, SYSTR_POLICY_NEVER },
-
-#ifdef SYS_getentropy
-       /* OpenBSD 5.6 and newer use getentropy(2) to seed arc4random(3). */
-       { SYS_getentropy, SYSTR_POLICY_PERMIT },
-#else
-       /* Previous releases used sysctl(3)'s kern.arnd variable. */
-       { SYS___sysctl, SYSTR_POLICY_PERMIT },
-#endif
-#ifdef SYS_sendsyslog
-       { SYS_sendsyslog, SYSTR_POLICY_PERMIT },
-#endif
+       { SYS_clock_gettime, SYSTR_POLICY_PERMIT },
        { SYS_close, SYSTR_POLICY_PERMIT },
        { SYS_exit, SYSTR_POLICY_PERMIT },
+       { SYS_getentropy, SYSTR_POLICY_PERMIT },
        { SYS_getpid, SYSTR_POLICY_PERMIT },
        { SYS_gettimeofday, SYSTR_POLICY_PERMIT },
-       { SYS_clock_gettime, SYSTR_POLICY_PERMIT },
        { SYS_madvise, SYSTR_POLICY_PERMIT },
        { SYS_mmap, SYSTR_POLICY_PERMIT },
        { SYS_mprotect, SYSTR_POLICY_PERMIT },
        { SYS_mquery, SYSTR_POLICY_PERMIT },
-       { SYS_poll, SYSTR_POLICY_PERMIT },
        { SYS_munmap, SYSTR_POLICY_PERMIT },
+       { SYS_open, SYSTR_POLICY_NEVER },
+       { SYS_poll, SYSTR_POLICY_PERMIT },
        { SYS_read, SYSTR_POLICY_PERMIT },
        { SYS_select, SYSTR_POLICY_PERMIT },
+       { SYS_sendsyslog, SYSTR_POLICY_PERMIT },
        { SYS_shutdown, SYSTR_POLICY_PERMIT },
        { SYS_sigprocmask, SYSTR_POLICY_PERMIT },
        { SYS_write, SYSTR_POLICY_PERMIT },