1#!/bin/sh
2#
3# Check that get_regs is skipped for filtered syscalls.
4#
5# Copyright (c) 2017 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. "${srcdir=.}/init.sh"
31
32check_prog env
33check_prog grep
34run_prog ../gettid > /dev/null
35
36run_strace -qq -esignal=none -eraw=all -etrace=none ../gettid > /dev/null
37
38run_strace -qq -esignal=none -eraw=all -eptrace -o '|grep -c ^ptrace > less' \
39	-- "$STRACE_EXE" -o "$LOG" $args > /dev/null
40
41[ "$(cat less)" -gt 0 ] ||
42	fail_ "$STRACE $args failed to catch any ptrace syscalls"
43
44run_strace -qq -esignal=none -eraw=all -etrace=all ../gettid > /dev/null
45
46run_strace -qq -esignal=none -eraw=all -eptrace -o '|grep -c ^ptrace > more' \
47	-- "$STRACE_EXE" -o "$LOG" $args > /dev/null
48
49[ "$(cat more)" -gt 0 ] ||
50	fail_ "$STRACE $args failed to catch any ptrace syscalls"
51
52[ "$(cat more)" -gt "$(cat less)" ] ||
53	fail_ "$STRACE failed to skip get_regs for filtered syscalls"
54