1#!/bin/bash 2# 3# This file and its contents are supplied under the terms of the 4# Common Development and Distribution License ("CDDL"), version 1.0. 5# You may only use this file in accordance with the terms of version 6# 1.0 of the CDDL. 7# 8# A full copy of the text of the CDDL should have accompanied this 9# source. A copy of the CDDL is also available via the Internet at 10# http://www.illumos.org/license/CDDL. 11# 12# Copyright 2019 Joyent, Inc. 13# Copyright 2021 Oxide Computer Company 14# 15 16# 17# badseg intentionally core-dumps. It does a setrlimit(), but we need to 18# prevent global core dumps too: we'll do this by blocking the path for 19# badseg_exec, but let other processes core dump still just in case. 20# 21 22set -e 23set -x 24 25old_enabled=$(/usr/bin/svcprop -p config_params/global_enabled coreadm) 26old_pattern=$(/usr/bin/svcprop -p config_params/global_pattern coreadm) 27old_log=$(/usr/bin/svcprop -p config_params/global_log_enabled coreadm) 28 29mkfile 1m /var/cores/badseg_exec 30coreadm -e global -d log -g /var/cores/%f/%p 31# let it settle 32sleep 3 33 34$(dirname $0)/badseg_exec || true 35 36# 37# If this property is set to the empty string (e.g. unset, but the property is 38# present), svcprop will return that as "". If we don't special case this, we 39# will then pass that literal string back to coreadm as an actual path, which is 40# invalid. 41# 42if [[ "$old_pattern" == '""' ]]; then 43 coreadm -g '' 44else 45 coreadm -g "$old_pattern" 46fi 47 48if [[ "$old_enabled" == "true" ]]; then 49 coreadm -e global 50fi 51 52if [[ "$old_log" == "true" ]]; then 53 coreadm -e log 54fi 55 56rm -f /var/cores/badseg_exec 57