1#!/bin/sh 2# 3# Check how SCM_RIGHTS and SCM_CREDENTIALS control messages are decoded in -y mode. 4# 5# Copyright (c) 2014-2015 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. "${srcdir=.}/init.sh" 31 32# strace -y is implemented using /proc/$pid/fd 33[ -d /proc/self/fd/ ] || 34 framework_skip_ '/proc/self/fd/ is not available' 35 36check_prog mkdir 37check_prog rm 38check_prog seq 39check_prog touch 40 41dir="$LOG.dir" 42rm -rf -- "$dir" 43mkdir -- "$dir" || 44 framework_skip_ 'failed to create a directory' 45 46file="$dir/$(for i in $(seq 1 127); do echo A; done; echo Z)" 47 48touch -- "$file" || 49 framework_skip_ 'failed to create a file' 50 51run_prog ./scm_rights /dev/zero 52run_strace_merge -y -x -enetwork $args "$file" 53 54n='[1-9][0-9]*' 55msg='\{msg_name\(0\)=NULL, msg_iov\(1\)=\[\{"\\x00\\x00\\x00\\x00[^"]*", '"$n"'\}\], msg_controllen='"$n" 56rights='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, \[3</dev/null>, 4</dev/zero>, 5</[^}>]*/(A\\n){127}Z>\]\}' 57creds='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS, \{pid='"$n"', uid=[0-9]+, gid=[0-9]+\}\}' 58prefix='[1-9][0-9]* +[0-9]+:[0-9]+:[0-9]+\.[0-9]+ +' 59EXPECTED="$LOG.expected" 60 61cat > "$EXPECTED" << __EOF__ 62${prefix}sendmsg\\(1<socket:\\[[0-9]+\\]>, $msg, \\[$rights\\], msg_flags=0\\}, 0\\) += $n 63${prefix}recvmsg\\(0<socket:\\[[0-9]+\\]>, $msg, \\[$creds, $rights\\], msg_flags=0\\}, 0\\) += $n 64__EOF__ 65 66match_grep "$LOG" "$EXPECTED" 67rm -f "$EXPECTED" 68rm -rf -- "$dir" 69 70exit 0 71