blob: 62e7c0dedfddb7231bc716252975c8f9aefc2e90 [file] [log] [blame]
# Check how SCM_RIGHTS and SCM_CREDENTIALS control messages are decoded in -y mode.
. "${srcdir=.}/"
# strace -y is implemented using /proc/$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
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_merge -y -x -enetwork $args "$file"
msg='\{msg_name\(0\)=NULL, msg_iov\(1\)=\[\{"\\x00\\x00\\x00\\x00[^"]*", '"$n"'\}\], msg_controllen='"$n"
rights='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, \[3</dev/null>, 4</dev/zero>, 5</[^}>]*/(A\\n){127}Z>\]\}'
creds='\{cmsg_len='"$n"', cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS, \{pid='"$n"', uid=[0-9]+, gid=[0-9]+\}\}'
prefix='[1-9][0-9]* +[0-9]+:[0-9]+:[0-9]+\.[0-9]+ +'
cat > "$EXPECTED" << __EOF__
${prefix}sendmsg\\(1<socket:\\[[0-9]+\\]>, $msg, \\[$rights\\], msg_flags=0\\}, 0\\) += $n
${prefix}recvmsg\\(0<socket:\\[[0-9]+\\]>, $msg, \\[$creds, $rights\\], msg_flags=0\\}, 0\\) += $n
match_grep "$LOG" "$EXPECTED"
rm -f "$EXPECTED"
rm -rf -- "$dir"
exit 0