1*cf84ac9aSAndroid Build Coastguard Worker#!/bin/sh 2*cf84ac9aSAndroid Build Coastguard Worker# 3*cf84ac9aSAndroid Build Coastguard Worker# Check how SCM_RIGHTS and SCM_CREDENTIALS control messages are decoded in -y mode. 4*cf84ac9aSAndroid Build Coastguard Worker# 5*cf84ac9aSAndroid Build Coastguard Worker# Copyright (c) 2014-2015 Dmitry V. Levin <[email protected]> 6*cf84ac9aSAndroid Build Coastguard Worker# Copyright (c) 2014-2017 The strace developers. 7*cf84ac9aSAndroid Build Coastguard Worker# All rights reserved. 8*cf84ac9aSAndroid Build Coastguard Worker# 9*cf84ac9aSAndroid Build Coastguard Worker# Redistribution and use in source and binary forms, with or without 10*cf84ac9aSAndroid Build Coastguard Worker# modification, are permitted provided that the following conditions 11*cf84ac9aSAndroid Build Coastguard Worker# are met: 12*cf84ac9aSAndroid Build Coastguard Worker# 1. Redistributions of source code must retain the above copyright 13*cf84ac9aSAndroid Build Coastguard Worker# notice, this list of conditions and the following disclaimer. 14*cf84ac9aSAndroid Build Coastguard Worker# 2. Redistributions in binary form must reproduce the above copyright 15*cf84ac9aSAndroid Build Coastguard Worker# notice, this list of conditions and the following disclaimer in the 16*cf84ac9aSAndroid Build Coastguard Worker# documentation and/or other materials provided with the distribution. 17*cf84ac9aSAndroid Build Coastguard Worker# 3. The name of the author may not be used to endorse or promote products 18*cf84ac9aSAndroid Build Coastguard Worker# derived from this software without specific prior written permission. 19*cf84ac9aSAndroid Build Coastguard Worker# 20*cf84ac9aSAndroid Build Coastguard Worker# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21*cf84ac9aSAndroid Build Coastguard Worker# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22*cf84ac9aSAndroid Build Coastguard Worker# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23*cf84ac9aSAndroid Build Coastguard Worker# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24*cf84ac9aSAndroid Build Coastguard Worker# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25*cf84ac9aSAndroid Build Coastguard Worker# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26*cf84ac9aSAndroid Build Coastguard Worker# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27*cf84ac9aSAndroid Build Coastguard Worker# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28*cf84ac9aSAndroid Build Coastguard Worker# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29*cf84ac9aSAndroid Build Coastguard Worker# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30*cf84ac9aSAndroid Build Coastguard Worker 31*cf84ac9aSAndroid Build Coastguard Worker. "${srcdir=.}/init.sh" 32*cf84ac9aSAndroid Build Coastguard Worker 33*cf84ac9aSAndroid Build Coastguard Worker# strace -y is implemented using /proc/$pid/fd 34*cf84ac9aSAndroid Build Coastguard Worker[ -d /proc/self/fd/ ] || 35*cf84ac9aSAndroid Build Coastguard Worker framework_skip_ '/proc/self/fd/ is not available' 36*cf84ac9aSAndroid Build Coastguard Worker 37*cf84ac9aSAndroid Build Coastguard Workercheck_prog mkdir 38*cf84ac9aSAndroid Build Coastguard Workercheck_prog seq 39*cf84ac9aSAndroid Build Coastguard Workercheck_prog touch 40*cf84ac9aSAndroid Build Coastguard Worker 41*cf84ac9aSAndroid Build Coastguard Workermkdir dir || 42*cf84ac9aSAndroid Build Coastguard Worker framework_skip_ 'failed to create a directory' 43*cf84ac9aSAndroid Build Coastguard Worker 44*cf84ac9aSAndroid Build Coastguard Workerfile="dir/$(for i in $(seq 1 127); do echo A; done; echo Z)" 45*cf84ac9aSAndroid Build Coastguard Worker 46*cf84ac9aSAndroid Build Coastguard Workertouch -- "$file" || 47*cf84ac9aSAndroid Build Coastguard Worker framework_skip_ 'failed to create a file' 48*cf84ac9aSAndroid Build Coastguard Worker 49*cf84ac9aSAndroid Build Coastguard Workerrun_prog ../scm_rights /dev/zero 50*cf84ac9aSAndroid Build Coastguard Workerrun_strace -y -x -e%network $args "$file" 51*cf84ac9aSAndroid Build Coastguard Worker 52*cf84ac9aSAndroid Build Coastguard Workerhex='[[:xdigit:]]' 53*cf84ac9aSAndroid Build Coastguard Workern='[1-9][0-9]*' 54*cf84ac9aSAndroid Build Coastguard Workersample="$(for i in $(seq 1 15); do printf '\\\\xf%x' $i; done)" 55*cf84ac9aSAndroid Build Coastguard Workersocket='<socket:\[[0-9]+\]>' 56*cf84ac9aSAndroid Build Coastguard Worker 57*cf84ac9aSAndroid Build Coastguard Workerpath6='(/.*/(A\\n){127}Z|\\x2f(\\x'"$hex$hex"')*\\x2f(\\x41\\x0a){127}\\x5a)' 58*cf84ac9aSAndroid Build Coastguard Workerrights_data='\[4</dev/null>, 5</dev/zero>, 6<'"$path6"'>\]' 59*cf84ac9aSAndroid Build Coastguard Workeriov='\[\{iov_base="'"$sample"'", iov_len=15\}\]' 60*cf84ac9aSAndroid Build Coastguard Workerids='\{pid='"$n"', uid=[0-9]+, gid=[0-9]+\}' 61*cf84ac9aSAndroid Build Coastguard Worker 62*cf84ac9aSAndroid Build Coastguard Workermsg_head='\{msg_name=NULL, msg_namelen=0, msg_iov='"$iov"', msg_iovlen=1, msg_control=' 63*cf84ac9aSAndroid Build Coastguard Workermsg_tail=', msg_controllen='"$n"', msg_flags=0' 64*cf84ac9aSAndroid Build Coastguard Workerrights='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, cmsg_data='"$rights_data"'\}' 65*cf84ac9aSAndroid Build Coastguard Workercreds='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS, cmsg_data='"$ids"'\}' 66*cf84ac9aSAndroid Build Coastguard Worker 67*cf84ac9aSAndroid Build Coastguard Workercat > "$EXP" << __EOF__ 68*cf84ac9aSAndroid Build Coastguard Workersendmsg\\(3$socket, $msg_head\\[$rights\\]$msg_tail\\}, 0\\) = 15 69*cf84ac9aSAndroid Build Coastguard Workerrecvmsg\\(0$socket, $msg_head\\[$creds, $rights\\]$msg_tail\\}, 0\\) = 15 70*cf84ac9aSAndroid Build Coastguard Worker__EOF__ 71*cf84ac9aSAndroid Build Coastguard Worker 72*cf84ac9aSAndroid Build Coastguard Workermatch_grep "$LOG" "$EXP" 73