1dbdc225aSJohn Levon#!/bin/bash
2dbdc225aSJohn Levon#
3dbdc225aSJohn Levon# This file and its contents are supplied under the terms of the
4dbdc225aSJohn Levon# Common Development and Distribution License ("CDDL"), version 1.0.
5dbdc225aSJohn Levon# You may only use this file in accordance with the terms of version
6dbdc225aSJohn Levon# 1.0 of the CDDL.
7dbdc225aSJohn Levon#
8dbdc225aSJohn Levon# A full copy of the text of the CDDL should have accompanied this
9dbdc225aSJohn Levon# source.  A copy of the CDDL is also available via the Internet at
10dbdc225aSJohn Levon# http://www.illumos.org/license/CDDL.
11dbdc225aSJohn Levon#
12dbdc225aSJohn Levon# Copyright 2019 Joyent, Inc.
13*e43afc96SRobert Mustacchi# Copyright 2021 Oxide Computer Company
14dbdc225aSJohn Levon#
15dbdc225aSJohn Levon
16dbdc225aSJohn Levon#
17dbdc225aSJohn Levon# badseg intentionally core-dumps. It does a setrlimit(), but we need to
18dbdc225aSJohn Levon# prevent global core dumps too: we'll do this by blocking the path for
19dbdc225aSJohn Levon# badseg_exec, but let other processes core dump still just in case.
20dbdc225aSJohn Levon#
21dbdc225aSJohn Levon
22dbdc225aSJohn Levonset -e
23dbdc225aSJohn Levonset -x
24dbdc225aSJohn Levon
25dbdc225aSJohn Levonold_enabled=$(/usr/bin/svcprop -p config_params/global_enabled coreadm)
26dbdc225aSJohn Levonold_pattern=$(/usr/bin/svcprop -p config_params/global_pattern coreadm)
27dbdc225aSJohn Levonold_log=$(/usr/bin/svcprop -p config_params/global_log_enabled coreadm)
28dbdc225aSJohn Levon
29dbdc225aSJohn Levonmkfile 1m /var/cores/badseg_exec
30dbdc225aSJohn Levoncoreadm -e global -d log -g /var/cores/%f/%p
31dbdc225aSJohn Levon# let it settle
32dbdc225aSJohn Levonsleep 3
33dbdc225aSJohn Levon
34dbdc225aSJohn Levon$(dirname $0)/badseg_exec || true
35dbdc225aSJohn Levon
36*e43afc96SRobert Mustacchi#
37*e43afc96SRobert Mustacchi# If this property is set to the empty string (e.g. unset, but the property is
38*e43afc96SRobert Mustacchi# present), svcprop will return that as "". If we don't special case this, we
39*e43afc96SRobert Mustacchi# will then pass that literal string back to coreadm as an actual path, which is
40*e43afc96SRobert Mustacchi# invalid.
41*e43afc96SRobert Mustacchi#
42*e43afc96SRobert Mustacchiif [[ "$old_pattern" == '""' ]]; then
43*e43afc96SRobert Mustacchi	coreadm -g ''
44*e43afc96SRobert Mustacchielse
45*e43afc96SRobert Mustacchi	coreadm -g "$old_pattern"
46*e43afc96SRobert Mustacchifi
47dbdc225aSJohn Levon
48*e43afc96SRobert Mustacchiif [[ "$old_enabled" == "true" ]]; then
49dbdc225aSJohn Levon       coreadm -e global
50dbdc225aSJohn Levonfi
51dbdc225aSJohn Levon
52*e43afc96SRobert Mustacchiif [[ "$old_log" == "true" ]]; then
53dbdc225aSJohn Levon       coreadm -e log
54dbdc225aSJohn Levonfi
55dbdc225aSJohn Levon
56dbdc225aSJohn Levonrm -f /var/cores/badseg_exec