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author | Darren Tucker <dtucker@zip.com.au> | 2016-06-15 11:22:38 +1000 |
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committer | Darren Tucker <dtucker@zip.com.au> | 2016-06-15 11:29:24 +1000 |
commit | 57b4ee04cad0d3e0fec1194753b0c4d31e39a1cd (patch) | |
tree | c16b86f69bb8273ebaedf7bef263fe5f7c184f11 /platform-tracing.c | |
parent | 78dc8e3724e30ee3e1983ce013e80277dc6ca070 (diff) | |
download | openssh-git-57b4ee04cad0d3e0fec1194753b0c4d31e39a1cd.tar.gz |
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.
Diffstat (limited to 'platform-tracing.c')
-rw-r--r-- | platform-tracing.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/platform-tracing.c b/platform-tracing.c new file mode 100644 index 00000000..81020e7f --- /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 <sys/types.h> +#if defined(HAVE_SYS_PRCTL_H) +#include <sys/prctl.h> /* For prctl() and PR_SET_DUMPABLE */ +#endif +#ifdef HAVE_PRIV_H +#include <priv.h> /* For setpflags() and __PROC_PROTECT */ +#endif +#include <stdarg.h> + +#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 +} |