From 57b4ee04cad0d3e0fec1194753b0c4d31e39a1cd Mon Sep 17 00:00:00 2001 From: Darren Tucker Date: Wed, 15 Jun 2016 11:22:38 +1000 Subject: Move platform_disable_tracing into its own file. Prevents link errors resolving the extern "options" when platform.o gets linked into ssh-agent when building --with-pam. --- platform-tracing.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 platform-tracing.c (limited to 'platform-tracing.c') diff --git a/platform-tracing.c b/platform-tracing.c new file mode 100644 index 000000000..81020e7f7 --- /dev/null +++ b/platform-tracing.c @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2016 Darren Tucker. All rights reserved. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "includes.h" + +#include +#if defined(HAVE_SYS_PRCTL_H) +#include /* For prctl() and PR_SET_DUMPABLE */ +#endif +#ifdef HAVE_PRIV_H +#include /* For setpflags() and __PROC_PROTECT */ +#endif +#include + +#include "log.h" + +void +platform_disable_tracing(int strict) +{ +#if defined(HAVE_PRCTL) && defined(PR_SET_DUMPABLE) + /* Disable ptrace on Linux without sgid bit */ + if (prctl(PR_SET_DUMPABLE, 0) != 0 && strict) + fatal("unable to make the process undumpable"); +#endif +#if defined(HAVE_SETPFLAGS) && defined(__PROC_PROTECT) + /* On Solaris, we should make this process untraceable */ + if (setpflags(__PROC_PROTECT, 1) != 0 && strict) + fatal("unable to make the process untraceable"); +#endif +} -- cgit v1.2.3