1#!/bin/sh 2# 3# Force legacy printstrn/umoven using process_vm_readv fault injection. 4# 5# Copyright (c) 2017 Dmitry V. Levin <ldv@altlinux.org> 6# All rights reserved. 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 3. The name of the author may not be used to endorse or promote products 17# derived from this software without specific prior written permission. 18# 19# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30. "${srcdir=.}/scno_tampering.sh" 31 32> "$LOG" || fail_ "failed to write $LOG" 33fault_args='-qq -esignal=none -etrace=process_vm_readv -efault=process_vm_readv' 34args='../printstrn-umoven-peekdata' 35 36$STRACE -o "$LOG" $fault_args $args > /dev/null || { 37 rc=$? 38 if [ $rc -eq 77 ]; then 39 skip_ "$fault_args $args exited with code 77" 40 else 41 fail_ "$fault_args $args failed with code $rc" 42 fi 43} 44 45> "$LOG" || fail_ "failed to write $LOG" 46args="-e signal=none -e trace=add_key $args skip-process_vm_readv-check" 47 48$STRACE -o /dev/null $fault_args \ 49 $STRACE -o "$LOG" $args > "$EXP" || 50 dump_log_and_fail_with "$STRACE $args failed with code $?" 51 52match_diff "$LOG" "$EXP" 53