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#!/bin/sh
#
# $OpenBSD: run.sh,v 1.1 2018/05/09 19:34:53 anton Exp $
#
# Copyright (c) 2018 Anton Lindqvist <anton@openbsd.org>
#
# 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.
set -eu
usage() {
echo "usage: sh run.sh -a addr -n rebound-ns -r rebound file" 1>&2
exit 1
}
# asserteq WANT GOT [MESSAGE]
asserteq() {
[ "$1" = "$2" ] && return 0
printf 'FAIL:\n\tWANT:\t"%s"\n\tGOT:\t"%s"\n' "$1" "$2"
[ $# -eq 3 ] && printf '\tREASON:\t"%s"\n' "$3"
FAIL=1
}
atexit() {
local _err=$?
# Kill daemons.
pkillw "^${REBOUND}" "^${NS}"
# Cleanup temporary files.
rm -f $@
if [ $_err -ne 0 ] || [ $FAIL -ne 0 ]; then
exit 1
else
exit 0
fi
}
pkillw() {
local _pat _sig
for _pat; do
_sig=TERM
while pgrep -f "$_pat" >/dev/null 2>&1; do
pkill "-${_sig}" -f "$_pat"
sleep .5
_sig=KILL
done
done
}
resolve() {
host $@ | sed -n '$p'
}
ENV='env MALLOC_OPTIONS=S'
FAIL=0
NADDR=0
NS=
REBOUND=
while getopts "a:n:r:" opt; do
case "$opt" in
a) NADDR=$((NADDR + 1))
eval "ADDR${NADDR}=${OPTARG}"
;;
n) NS=$OPTARG;;
r) REBOUND=$OPTARG;;
*) usage;;
esac
done
shift $((OPTIND - 1))
([ $# -ne 1 ] || [ $NADDR -eq 0 ] || [ -z "$NS" ] || [ -z "$REBOUND" ]) && usage
CONF=$(mktemp -t rebound.XXXXXX)
trap 'atexit $CONF' EXIT
. $1
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