From: Dmitry V. Levin Date: Mon, 28 Nov 2016 12:35:51 +0000 (+0000) Subject: tests: check basic options syntax X-Git-Tag: v4.15~71 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7e6f0b7b0c7e65102b824efda87f4b94f7ea61c3;p=strace tests: check basic options syntax * tests/options-syntax.test: New file. * tests/Makefile.am (MISC_TESTS): Add it. --- diff --git a/tests/Makefile.am b/tests/Makefile.am index 45428496..e5be9297 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -801,6 +801,7 @@ MISC_TESTS = \ fork-f.test \ ksysent.test \ opipe.test \ + options-syntax.test \ pc.test \ qual_signal.test \ qual_syscall.test \ diff --git a/tests/options-syntax.test b/tests/options-syntax.test new file mode 100755 index 00000000..2972561c --- /dev/null +++ b/tests/options-syntax.test @@ -0,0 +1,125 @@ +#!/bin/sh +# +# Check strace options syntax. +# +# Copyright (c) 2016 Dmitry V. Levin +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +. "${srcdir=.}/init.sh" + +check_exit_status_and_stderr() +{ + $STRACE "$@" 2> "$LOG" && + dump_log_and_fail_with \ + "strace $* failed to handle the error properly" + match_diff "$LOG" "$EXP" || + dump_log_and_fail_with \ + "strace $* failed to print expected diagnostics" +} + +check_e() +{ + local pattern="$1"; shift + cat > "$EXP" << __EOF__ +$STRACE: $pattern +__EOF__ + check_exit_status_and_stderr "$@" +} + +check_h() +{ + local pattern="$1"; shift + cat > "$EXP" << __EOF__ +$STRACE: $pattern +Try '$STRACE -h' for more information. +__EOF__ + check_exit_status_and_stderr "$@" +} + +check_e "Invalid process id: '0'" -p 0 +check_e "Invalid process id: '-42'" -p -42 +check_e "Invalid process id: '$$.'" -p $$. +check_e "Invalid process id: 'a'" -p 1,a +check_e "Syscall 'chdir' for -b isn't supported" -b chdir +check_e "Syscall 'chdir' for -b isn't supported" -b execve -b chdir + +check_h 'must have PROG [ARGS] or -p PID' +check_h 'PROG [ARGS] must be specified with -D' -D -p $$ +check_h '-c and -C are mutually exclusive' -c -C true +check_h '-c and -C are mutually exclusive' -C -c true +check_h '(-c or -C) and -ff are mutually exclusive' -c -ff true +check_h '(-c or -C) and -ff are mutually exclusive' -C -ff true +check_h '-w must be given with (-c or -C)' -w true +check_h 'piping the output and -ff are mutually exclusive' -o '|' -ff true +check_h 'piping the output and -ff are mutually exclusive' -o '!' -ff true +check_h "invalid -a argument: '-42'" -a -42 +check_h "invalid -O argument: '-42'" -O -42 +check_h "invalid -s argument: '-42'" -s -42 +check_h "invalid -I argument: '5'" -I 5 + +if [ -n "${UID-}" ]; then + if [ "${UID-}" = 0 ]; then + umsg="Cannot find user ':nosuchuser:'" + else + umsg='You must be root to use the -u option' + fi + + check_e "$umsg" -u :nosuchuser: true + + for c in i r t T y; do + check_e "-$c has no effect with -c +$STRACE: $umsg" -u :nosuchuser: -c -$c true + done + check_e "-i has no effect with -c +$STRACE: -r has no effect with -c +$STRACE: -t has no effect with -c +$STRACE: -T has no effect with -c +$STRACE: -y has no effect with -c +$STRACE: $umsg" -u :nosuchuser: -cirtTy true + + check_e "-tt has no effect with -r +$STRACE: $umsg" -u :nosuchuser: -r -tt true +fi + +args='-p 2147483647' +$STRACE $args 2> "$LOG" && + dump_log_and_fail_with \ + "strace $args failed to handle the error properly" + +for cmd in PTRACE_SEIZE PTRACE_ATTACH; do + cat > "$EXP" << __EOF__ +$STRACE: attach: ptrace($cmd, 2147483647): No such process +__EOF__ + diff -- "$EXP" "$LOG" || + continue + args= + break +done + +[ -z "$args" ] || + dump_log_and_fail_with \ + "strace $args failed to print expected diagnostics" + +rm -f "$EXP"