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#!/bin/sh
#
# Check syscall set parsing syntax.
#
# Copyright (c) 2016-2018 Dmitry V. Levin <ldv@strace.io>
# Copyright (c) 2017 Nikolay Marchuk <marchuk.nikolay.a@gmail.com>
# Copyright (c) 2018-2022 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later
. "${srcdir=.}/syntax.sh"
check_syscall()
{
[ -z "$2" ] || check_e "invalid system call '$1'" -e"$2"
check_e "invalid system call '$1'" -e "$2"
check_e "invalid system call '$1'" -etrace="$2"
check_e "invalid system call '$1'" --trace="$2"
check_e "invalid system call '$1'" -e trace="$2"
check_e "invalid system call '$1'" -eabbrev="$2"
check_e "invalid system call '$1'" --abbrev="$2"
check_e "invalid system call '$1'" -e abbrev="$2"
check_e "invalid system call '$1'" -everbose="$2"
check_e "invalid system call '$1'" --verbose="$2"
check_e "invalid system call '$1'" -e verbose="$2"
check_e "invalid system call '$1'" -eraw="$2"
check_e "invalid system call '$1'" --raw="$2"
check_e "invalid system call '$1'" -e raw="$2"
check_e "invalid system call '$1'" -einject="$2"
check_e "invalid system call '$1'" --inject="$2"
check_e "invalid system call '$1'" -e inject="$2"
check_e "invalid system call '$1'" -einject="$2:"
check_e "invalid system call '$1'" -einject="$2::"
check_e "invalid system call '$1'" -einject="$2:::"
check_e "invalid system call '$1'" --inject="$2:"
check_e "invalid system call '$1'" --inject="$2::"
check_e "invalid system call '$1'" --inject="$2:::"
check_e "invalid system call '$1'" -e inject="$2:"
check_e "invalid system call '$1'" -e inject="$2::"
check_e "invalid system call '$1'" -e inject="$2:::"
check_e "invalid system call '$1'" -einject="$2:when=3"
check_e "invalid system call '$1'" --inject="$2:when=3"
check_e "invalid system call '$1'" -e inject="$2:when=3"
check_e "invalid system call '$1'" -efault="$2"
check_e "invalid system call '$1'" --fault="$2"
check_e "invalid system call '$1'" -e fault="$2"
check_e "invalid system call '$1'" -efault="$2:"
check_e "invalid system call '$1'" -efault="$2::"
check_e "invalid system call '$1'" -efault="$2:::"
check_e "invalid system call '$1'" --fault="$2:"
check_e "invalid system call '$1'" --fault="$2::"
check_e "invalid system call '$1'" --fault="$2:::"
check_e "invalid system call '$1'" -e fault="$2:"
check_e "invalid system call '$1'" -e fault="$2::"
check_e "invalid system call '$1'" -e fault="$2:::"
check_e "invalid system call '$1'" -efault="$2:when=4"
check_e "invalid system call '$1'" --fault="$2:when=4"
check_e "invalid system call '$1'" -e fault="$2:when=4"
}
pers=$(print_current_personality_designator)
for arg in '' , ,, ,,, ; do
check_syscall "$arg" "$arg"
check_syscall "!$arg" "!$arg"
done
case "$STRACE_ARCH" in
alpha) invalid_scno1=299
invalid_scno2=404
;;
*) invalid_scno1=415
invalid_scno2=501
;;
esac
case "$STRACE_ARCH" in
ia64) valid_scno=1025 ;;
*) valid_scno=1 ;;
esac
for arg in -1 -2 -3 -4 -5 \
invalid_syscall_name \
0x 0y \
32767 \
2147483647 \
2147483648 \
4294967295 \
4294967296 \
$invalid_scno1 \
$invalid_scno2 \
/non_syscall \
% %not_a_class \
; do
check_syscall "$arg" "$arg"
check_syscall "$arg" "!$arg"
check_syscall "$arg" "$valid_scno,$arg"
check_syscall "$arg@$pers" "$arg@$pers"
done
for arg in '!chdir' none; do
check_syscall "$arg" "$valid_scno,$arg"
done
# invalid syscall, multiple syscalls
for arg in %desc \
%file \
%memory \
%process \
%network \
chdir \
$valid_scno \
all \
?32767 \
?invalid \
?%not_a_class \
?/non_syscall \
; do
for pfx in '' '!'; do
for token in "$arg" "$arg@$pers"; do
check_syscall nonsense "${pfx}$token,nonsense"
check_syscall nonsense "${pfx}nonsense,$token"
done
done
done
check_e_using_grep 'regcomp: \+id: [[:alpha:]].+' -e trace='/+id'
check_e_using_grep 'regcomp: \*id: [[:alpha:]].+' -e trace='/*id'
check_e_using_grep 'regcomp: \{id: [[:alpha:]].+' -e trace='/{id'
check_e_using_grep 'regcomp: \(id: [[:alpha:]].+' -e trace='/(id'
check_e_using_grep 'regcomp: \[id: [[:alpha:]].+' -e trace='/[id'
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