1#!/bin/sh 2# 3# Check that fault injection works properly. 4# 5# Copyright (c) 2016 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# 33# F 34# F+ 35# F+S 36 37N=16 38 39check_fault_injection() 40{ 41 local trace fault err first step extra 42 trace=$1; shift 43 fault=$1; shift 44 err=$1; shift 45 first=$1; shift 46 step=$1; shift 47 extra="$*" 48 49 local when= 50 if [ -z "$first$step" ]; then 51 first=1 52 step=1 53 else 54 case "$step" in 55 '') when=":when=$first"; step=0 ;; 56 +) when=":when=$first+"; step=1 ;; 57 *) when=":when=$first+$step" ;; 58 esac 59 fi 60 61 local error= 62 local raw=reg 63 set -- 64 case "$err" in 65 '') ;; 66 [123456789]*) 67 error=":error=$err" 68 raw=raw 69 set -- -e raw=all 70 ;; 71 *) error=":error=$err" ;; 72 esac 73 74 outexp="$NAME.out.exp" 75 outgot="$NAME.out.got" 76 77 run_strace -a11 -e trace=$trace \ 78 "$@" -e fault=$fault$when$error $extra \ 79 ./$NAME $raw "$err" "$first" "$step" $N \ 80 > "$EXP" 4> "$outexp" 5> "$outgot" 81 82 match_diff "$EXP" "$LOG" 83 match_diff "$outexp" "$outgot" 84 rm -f "$EXP" "$outexp" "$outgot" 85} 86 87for err in '' ENOSYS 22 einval; do 88 for fault in writev desc,51; do 89 check_fault_injection \ 90 writev $fault "$err" '' '' -efault=chdir 91 check_fault_injection \ 92 writev $fault "$err" '' '' -efault=chdir -efault=none 93 for F in 1 2 3 5 7 11; do 94 check_fault_injection \ 95 writev $fault "$err" $F '' 96 check_fault_injection \ 97 writev $fault "$err" $F + 98 for S in 1 2 3 5 7 11; do 99 check_fault_injection \ 100 writev $fault "$err" $F $S 101 done 102 done 103 done 104done 105