| Darren Tucker | 57b4ee0 | 2016-06-15 11:22:38 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016 Darren Tucker. All rights reserved. |
| 3 | * |
| 4 | * Permission to use, copy, modify, and distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
| 17 | #include "includes.h" |
| 18 | |
| 19 | #include <sys/types.h> |
| 20 | #if defined(HAVE_SYS_PRCTL_H) |
| 21 | #include <sys/prctl.h> /* For prctl() and PR_SET_DUMPABLE */ |
| 22 | #endif |
| 23 | #ifdef HAVE_PRIV_H |
| 24 | #include <priv.h> /* For setpflags() and __PROC_PROTECT */ |
| 25 | #endif |
| 26 | #include <stdarg.h> |
| 27 | |
| 28 | #include "log.h" |
| 29 | |
| 30 | void |
| 31 | platform_disable_tracing(int strict) |
| 32 | { |
| 33 | #if defined(HAVE_PRCTL) && defined(PR_SET_DUMPABLE) |
| 34 | /* Disable ptrace on Linux without sgid bit */ |
| 35 | if (prctl(PR_SET_DUMPABLE, 0) != 0 && strict) |
| 36 | fatal("unable to make the process undumpable"); |
| 37 | #endif |
| 38 | #if defined(HAVE_SETPFLAGS) && defined(__PROC_PROTECT) |
| 39 | /* On Solaris, we should make this process untraceable */ |
| 40 | if (setpflags(__PROC_PROTECT, 1) != 0 && strict) |
| 41 | fatal("unable to make the process untraceable"); |
| 42 | #endif |
| 43 | } |