| #!/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 |