diff options
Diffstat (limited to 'framework/src/suricata/src/util-coredump-config.c')
| -rw-r--r-- | framework/src/suricata/src/util-coredump-config.c | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/framework/src/suricata/src/util-coredump-config.c b/framework/src/suricata/src/util-coredump-config.c deleted file mode 100644 index 2115f930..00000000 --- a/framework/src/suricata/src/util-coredump-config.c +++ /dev/null @@ -1,206 +0,0 @@ -/* Copyright (C) 2007-2010 Open Information Security Foundation - * - * You can copy, redistribute or modify this Program under the terms of - * the GNU General Public License version 2 as published by the Free - * Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * version 2 along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -/** - * \file - * - * \author Eileen Donlon <emdonlo@gmail.com> - * - * Coredump configuration - */ - -#define _FILE_OFFSET_BITS 64 -#include "util-coredump-config.h" -#include "conf.h" -#include <sys/resource.h> - -/** - * \brief Configures the core dump size. - * - * \retval Returns 1 on success and 0 on failure. - * - */ -int32_t CoredumpLoadConfig (void) -{ - /* get core dump configuration settings for suricata */ - char* dump_size_config = NULL; - rlim_t max_dump = 0; - uint32_t unlimited = 0; - size_t rlim_size = sizeof(rlim_t); - - if (ConfGet ("coredump.max-dump", &dump_size_config) == 0) { - SCLogDebug ("core dump size not specified"); - return 1; - } - if (strcasecmp (dump_size_config, "unlimited") == 0) { - unlimited = 1; - } - else { - /* disallow negative values */ - if (strchr (dump_size_config, '-') != NULL) { - SCLogInfo ("Negative value for core dump size; ignored."); - return 0; - } - /* the size of rlim_t is platform dependent */ - if (rlim_size > 8) { - SCLogInfo ("Unexpected type for rlim_t"); - return 0; - } - errno = 0; - if (rlim_size == 8) { - max_dump = (rlim_t) strtoull (dump_size_config, NULL, 10); - } - else if (rlim_size == 4) { - max_dump = (rlim_t) strtoul (dump_size_config, NULL, 10); - } - if ((errno == ERANGE) || (errno != 0 && max_dump == 0)) { - SCLogInfo ("Illegal core dump size: %s.", dump_size_config); - return 0; - } - SCLogInfo ("Max dump is %llu", (unsigned long long) max_dump); - } - -#if defined OS_WIN32 - /* todo: use the registry to get/set dump configuration */ - SCLogInfo("Configuring core dump is not yet supported on Windows."); - return 0; -#endif - -#ifdef HAVE_SYS_PRCTL_H - /* Linux specific core dump configuration; set dumpable flag if needed */ - int dumpable = 0; - dumpable = prctl (PR_GET_DUMPABLE, 0, 0, 0, 0); - if (dumpable == -1) { - SCLogInfo ("Can't get core dump configuration of process."); - } - else if (unlimited == 1 || max_dump > 0) { - /* try to enable core dump for this process */ - if (prctl (PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) { - SCLogInfo ("Unable to make this process dumpable."); - return 0; - } else { - SCLogDebug ("Process is dumpable."); - } - } - /* don't clear dumpable flag since this will have other effects; - * just set dump size to 0 below */ -#endif /* Linux specific */ - - struct rlimit lim; /*existing limit*/ - struct rlimit new_lim; /*desired limit*/ - - /* get the current core dump file configuration */ - if (getrlimit (RLIMIT_CORE, &lim) == -1) { - SCLogInfo ("Can't read coredump limit for this process."); - return 0; - } - - if (unlimited) { - /* we want no limit on coredump size */ - if (lim.rlim_max == RLIM_INFINITY && lim.rlim_cur == RLIM_INFINITY) { - SCLogInfo ("Core dump size is unlimited."); - return 1; - } - else { - new_lim.rlim_max = RLIM_INFINITY; - new_lim.rlim_cur = RLIM_INFINITY; - if (setrlimit (RLIMIT_CORE, &new_lim) == 0) { - SCLogInfo ("Core dump size set to unlimited."); - return 1; - } - if (errno == EPERM) { - /* couldn't raise the hard limit to unlimited; - * try increasing the soft limit to the hard limit instead */ - if (lim.rlim_cur < lim.rlim_max) { - new_lim.rlim_cur = lim.rlim_max; - if (setrlimit (RLIMIT_CORE, & new_lim) == 0) { - SCLogInfo ("Could not set core dump size to unlimited; core dump size set to the hard limit."); - return 0; - } - else { - SCLogInfo ("Failed to set core dump size to unlimited or to the hard limit."); - return 0; - } - } - SCLogInfo ("Could not set core dump size to unlimited; it's set to the hard limit."); - return 0; - } - } - } - else { - /* we want a non-infinite soft limit on coredump size */ - new_lim.rlim_cur = max_dump; - - /* check whether the hard limit needs to be adjusted */ - if (lim.rlim_max == RLIM_INFINITY) { - /* keep the current value (unlimited) for the hard limit */ - new_lim.rlim_max = lim.rlim_max; - } -#ifdef RLIM_SAVED_MAX - else if (lim.rlim_max == RLIM_SAVED_MAX) { - /* keep the current value (unknown) for the hard limit */ - new_lim.rlim_max = lim.rlim_max; - } -#endif - else if (lim.rlim_max < max_dump) { - /* need to raise the hard coredump size limit */ - new_lim.rlim_max = max_dump; - } - else { - /* hard limit is ample */ - new_lim.rlim_max = lim.rlim_max; - } - if (setrlimit (RLIMIT_CORE, &new_lim) == 0) { - SCLogInfo ("Core dump setting attempted is %llu", (unsigned long long) new_lim.rlim_cur); - struct rlimit actual_lim; - if (getrlimit (RLIMIT_CORE, &actual_lim) == 0) { - if (actual_lim.rlim_cur == RLIM_INFINITY) { - SCLogInfo ("Core dump size set to unlimited."); - } -#ifdef RLIM_SAVED_CUR - else if (actual_lim.rlim_cur == RLIM_SAVED_CUR) { - SCLogInfo ("Core dump size set to soft limit."); - } -#endif - else { - SCLogInfo ("Core dump size set to %llu", (unsigned long long) actual_lim.rlim_cur); - } - } - return 1; - } - - if (errno == EINVAL || errno == EPERM) { - /* could't increase the hard limit, or the soft limit exceeded the hard - * limit; try to raise the soft limit to the hard limit */ - if ((lim.rlim_cur < max_dump && lim.rlim_cur < lim.rlim_max) -#ifdef RLIM_SAVED_CUR - || (lim.rlim_cur == RLIM_SAVED_CUR) -#endif - ){ - new_lim.rlim_max = lim.rlim_max; - new_lim.rlim_cur = lim.rlim_max; - if (setrlimit (RLIMIT_CORE, &new_lim) == 0) { - SCLogInfo("Core dump size set to the hard limit."); - return 0; - } - } - } - } - /* failed to set the coredump limit */ - SCLogInfo ("Could't set coredump size to %s.", dump_size_config); - return 0; -} |