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|
#!/bin/sh
#
# Check strace options syntax.
#
# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
# Copyright (c) 2016-2018 The strace developers.
# 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=.}/syntax.sh"
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_e_using_grep 'exec: File *name too long' "$(printf '%4096s' ' ')"
ff_name="$(printf '%4084s' ' ')"
check_e_using_grep "$ff_name: File *name too long" -ff -o "$ff_name" true
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 -s argument: '1073741824'" -s 1073741824
check_h "invalid -I argument: '5'" -I 5
../zeroargc "$STRACE_EXE" /bin/true 2> "$LOG" &&
dump_log_and_fail_with \
'zeroargc strace failed to handle the error properly'
cat > "$EXP" << __EOF__
$STRACE_EXE: must have PROG [ARGS] or -p PID
Try '$STRACE_EXE -h' for more information.
__EOF__
diff -u -- "$EXP" "$LOG" > /dev/null || {
cat > "$EXP" <<- '__EOF__'
strace: must have PROG [ARGS] or -p PID
Try 'strace -h' for more information.
__EOF__
match_diff "$LOG" "$EXP" \
"zeroargc $STRACE $args output mismatch"
}
if [ -n "${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_EXE: $umsg" -u :nosuchuser: -c -$c true
done
check_e "-i has no effect with -c
$STRACE_EXE: -r has no effect with -c
$STRACE_EXE: -t has no effect with -c
$STRACE_EXE: -T has no effect with -c
$STRACE_EXE: -y has no effect with -c
$STRACE_EXE: $umsg" -u :nosuchuser: -cirtTy true
check_e "-tt has no effect with -r
$STRACE_EXE: $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__
$STRACE_EXE: attach: ptrace($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"
|
