1#!/bin/sh 2# 3# Check strace options syntax. 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=.}/init.sh" 31 32check_exit_status_and_stderr() 33{ 34 $STRACE "$@" 2> "$LOG" && 35 dump_log_and_fail_with \ 36 "strace $* failed to handle the error properly" 37 match_diff "$LOG" "$EXP" || 38 dump_log_and_fail_with \ 39 "strace $* failed to print expected diagnostics" 40} 41 42strace_exp="${STRACE##* }" 43 44check_e() 45{ 46 local pattern="$1"; shift 47 cat > "$EXP" << __EOF__ 48$strace_exp: $pattern 49__EOF__ 50 check_exit_status_and_stderr "$@" 51} 52 53check_h() 54{ 55 local pattern="$1"; shift 56 cat > "$EXP" << __EOF__ 57$strace_exp: $pattern 58Try '$strace_exp -h' for more information. 59__EOF__ 60 check_exit_status_and_stderr "$@" 61} 62 63check_e "Invalid process id: '0'" -p 0 64check_e "Invalid process id: '-42'" -p -42 65check_e "Invalid process id: '$$.'" -p $$. 66check_e "Invalid process id: 'a'" -p 1,a 67check_e "Syscall 'chdir' for -b isn't supported" -b chdir 68check_e "Syscall 'chdir' for -b isn't supported" -b execve -b chdir 69 70check_e "invalid system call '-1'" -e-1 71check_e "invalid system call '-2'" -e -2 72check_e "invalid system call '-3'" -etrace=-3 73check_e "invalid system call '-4'" -e trace=-4 74check_e "invalid system call '-5'" -e trace=1,-5 75check_e "invalid system call '2147483647'" -e 2147483647 76check_e "invalid system call '2147483648'" -e 2147483648 77check_e "invalid system call '4294967295'" -e 4294967295 78check_e "invalid system call '4294967296'" -e 4294967296 79 80check_e "invalid descriptor '-1'" -eread=-1 81check_e "invalid descriptor '-42'" -ewrite=-42 82check_e "invalid descriptor '2147483648'" -eread=2147483648 83check_e "invalid descriptor '4294967296'" -ewrite=4294967296 84check_e "invalid descriptor 'foo'" -eread=foo 85check_e "invalid descriptor ''" -ewrite= 86check_e "invalid descriptor ','" -eread=, 87check_e "invalid descriptor '!'" -ewrite='!' 88check_e "invalid descriptor '!'" -eread='0,!' 89check_e "invalid descriptor '!,'" -ewrite='!,' 90 91check_h 'must have PROG [ARGS] or -p PID' 92check_h 'PROG [ARGS] must be specified with -D' -D -p $$ 93check_h '-c and -C are mutually exclusive' -c -C true 94check_h '-c and -C are mutually exclusive' -C -c true 95check_h '(-c or -C) and -ff are mutually exclusive' -c -ff true 96check_h '(-c or -C) and -ff are mutually exclusive' -C -ff true 97check_h '-w must be given with (-c or -C)' -w true 98check_h 'piping the output and -ff are mutually exclusive' -o '|' -ff true 99check_h 'piping the output and -ff are mutually exclusive' -o '!' -ff true 100check_h "invalid -a argument: '-42'" -a -42 101check_h "invalid -O argument: '-42'" -O -42 102check_h "invalid -s argument: '-42'" -s -42 103check_h "invalid -I argument: '5'" -I 5 104 105if [ -n "${UID-}" ]; then 106 if [ "${UID-}" = 0 ]; then 107 umsg="Cannot find user ':nosuchuser:'" 108 else 109 umsg='You must be root to use the -u option' 110 fi 111 112 check_e "$umsg" -u :nosuchuser: true 113 114 for c in i r t T y; do 115 check_e "-$c has no effect with -c 116$strace_exp: $umsg" -u :nosuchuser: -c -$c true 117 done 118 check_e "-i has no effect with -c 119$strace_exp: -r has no effect with -c 120$strace_exp: -t has no effect with -c 121$strace_exp: -T has no effect with -c 122$strace_exp: -y has no effect with -c 123$strace_exp: $umsg" -u :nosuchuser: -cirtTy true 124 125 check_e "-tt has no effect with -r 126$strace_exp: $umsg" -u :nosuchuser: -r -tt true 127fi 128 129args='-p 2147483647' 130$STRACE $args 2> "$LOG" && 131 dump_log_and_fail_with \ 132 "strace $args failed to handle the error properly" 133 134for cmd in PTRACE_SEIZE PTRACE_ATTACH; do 135 cat > "$EXP" << __EOF__ 136$strace_exp: attach: ptrace($cmd, 2147483647): No such process 137__EOF__ 138 diff -- "$EXP" "$LOG" || 139 continue 140 args= 141 break 142done 143 144[ -z "$args" ] || 145 dump_log_and_fail_with \ 146 "strace $args failed to print expected diagnostics" 147 148rm -f "$EXP" 149