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- (djm) [configure.ac sandbox-capsicum.c sandbox-rlimit.c] Disable 

RLIMIT_NOFILE pseudo-sandbox on FreeBSD. In some configurations,
    libc will attempt to open additional file descriptors for crypto
    offload and crash if they cannot be opened.
This commit is contained in:
Damien Miller 2014-01-26 09:39:53 +11:00
parent a92ac74104
commit 2035b2236d
4 changed files with 13 additions and 2 deletions
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4
ChangeLog
View File

@ -12,6 +12,10 @@
[kex.c]
dh_need needs to be set to max(seclen, blocksize, ivlen, mac_len)
ok dtucker@, noted by mancha
- (djm) [configure.ac sandbox-capsicum.c sandbox-rlimit.c] Disable
RLIMIT_NOFILE pseudo-sandbox on FreeBSD. In some configurations,
libc will attempt to open additional file descriptors for crypto
offload and crash if they cannot be opened.
20130125
- (djm) [configure.ac] Fix detection of capsicum sandbox on FreeBSD

7
configure.ac
View File

@ -1,4 +1,4 @@
# $Id: configure.ac,v 1.562 2014/01/25 02:16:59 djm Exp $
# $Id: configure.ac,v 1.563 2014/01/25 22:39:53 djm Exp $
#
# Copyright (c) 1999-2004 Damien Miller
#
@ -15,7 +15,7 @@
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org])
AC_REVISION($Revision: 1.562 $)
AC_REVISION($Revision: 1.563 $)
AC_CONFIG_SRCDIR([ssh.c])
AC_LANG([C])
@ -780,6 +780,9 @@ mips-sony-bsd|mips-sony-newsos4)
AC_DEFINE([BROKEN_STRNVIS], [1],
[FreeBSD strnvis argument order is swapped compared to OpenBSD])
TEST_MALLOC_OPTIONS="AJRX"
# Preauth crypto occasionally uses file descriptors for crypto offload
# and will crash if they cannot be opened.
AC_DEFINE([SANDBOX_SKIP_RLIMIT_NOFILE])
;;
*-*-bsdi*)
AC_DEFINE([SETEUID_BREAKS_SETUID])

2
sandbox-capsicum.c
View File

@ -75,9 +75,11 @@ ssh_sandbox_child(struct ssh_sandbox *box)
if (setrlimit(RLIMIT_FSIZE, &rl_zero) == -1)
fatal("%s: setrlimit(RLIMIT_FSIZE, { 0, 0 }): %s",
__func__, strerror(errno));
#ifndef SANDBOX_SKIP_RLIMIT_NOFILE
if (setrlimit(RLIMIT_NOFILE, &rl_zero) == -1)
fatal("%s: setrlimit(RLIMIT_NOFILE, { 0, 0 }): %s",
__func__, strerror(errno));
#endif
if (setrlimit(RLIMIT_NPROC, &rl_zero) == -1)
fatal("%s: setrlimit(RLIMIT_NPROC, { 0, 0 }): %s",
__func__, strerror(errno));

2
sandbox-rlimit.c
View File

@ -69,9 +69,11 @@ ssh_sandbox_child(struct ssh_sandbox *box)
fatal("%s: setrlimit(RLIMIT_FSIZE, { 0, 0 }): %s",
__func__, strerror(errno));
#endif
#ifndef SANDBOX_SKIP_RLIMIT_NOFILE
if (setrlimit(RLIMIT_NOFILE, &rl_zero) == -1)
fatal("%s: setrlimit(RLIMIT_NOFILE, { 0, 0 }): %s",
__func__, strerror(errno));
#endif
#ifdef HAVE_RLIMIT_NPROC
if (setrlimit(RLIMIT_NPROC, &rl_zero) == -1)
fatal("%s: setrlimit(RLIMIT_NPROC, { 0, 0 }): %s",