Dmitry V. Levin
3fdcdd47c6
* tests/scm_rights.c (main): Rewrite without fork. Place all objects passed to sendmsg and recvmsg at the end of memory pages followed by inaccessible pages. * tests/scm_rights-fd.test: Update.
71 lines
2.8 KiB
Bash
Executable File
71 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# Check how SCM_RIGHTS and SCM_CREDENTIALS control messages are decoded in -y mode.
|
|
#
|
|
# Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
|
|
# 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.
|
|
|
|
. "${srcdir=.}/init.sh"
|
|
|
|
# strace -y is implemented using /proc/$pid/fd
|
|
[ -d /proc/self/fd/ ] ||
|
|
framework_skip_ '/proc/self/fd/ is not available'
|
|
|
|
check_prog mkdir
|
|
check_prog rm
|
|
check_prog seq
|
|
check_prog touch
|
|
|
|
dir="$LOG.dir"
|
|
rm -rf -- "$dir"
|
|
mkdir -- "$dir" ||
|
|
framework_skip_ 'failed to create a directory'
|
|
|
|
file="$dir/$(for i in $(seq 1 127); do echo A; done; echo Z)"
|
|
|
|
touch -- "$file" ||
|
|
framework_skip_ 'failed to create a file'
|
|
|
|
run_prog ./scm_rights /dev/zero
|
|
run_strace -y -x -enetwork $args "$file"
|
|
|
|
sample='\\xf1\\xf2\\xf3\\xf4\\xf5\\xf6\\xf7\\xf8\\xf9\\xfa\\xfb\\xfc\\xfd\\xfe\\xff'
|
|
n='[1-9][0-9]*'
|
|
msg='\{msg_name\(0\)=NULL, msg_iov\(1\)=\[\{"'"$sample"'", 15\}\], msg_controllen='"$n"
|
|
rights='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, \[4</dev/null>, 5</dev/zero>, 6</[^}>]*/(A\\n){127}Z>\]\}'
|
|
creds='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS, \{pid='"$n"', uid=[0-9]+, gid=[0-9]+\}\}'
|
|
EXPECTED="$LOG.expected"
|
|
|
|
cat > "$EXPECTED" << __EOF__
|
|
sendmsg\\(3<socket:\\[[0-9]+\\]>, $msg, \\[$rights\\], msg_flags=0\\}, 0\\) = 15
|
|
recvmsg\\(0<socket:\\[[0-9]+\\]>, $msg, \\[$creds, $rights\\], msg_flags=0\\}, 0\\) = 15
|
|
__EOF__
|
|
|
|
match_grep "$LOG" "$EXPECTED"
|
|
rm -f "$EXPECTED"
|
|
rm -rf -- "$dir"
|
|
|
|
exit 0
|