openssh-portable/regress/stderr-data.sh

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# $OpenBSD: stderr-data.sh,v 1.5 2017/04/30 23:34:55 djm Exp $
# Placed in the Public Domain.
tid="stderr data transfer"
for n in '' -n; do
verbose "test $tid: ($n)"
${SSH} $n -F $OBJ/ssh_proxy otherhost exec \
sh -c \'"exec > /dev/null; sleep 3; cat ${DATA} 1>&2 $s"\' \
2> ${COPY}
r=$?
if [ $r -ne 0 ]; then
fail "ssh failed with exit code $r"
fi
cmp ${DATA} ${COPY} || fail "stderr corrupt"
rm -f ${COPY}
${SSH} $n -F $OBJ/ssh_proxy otherhost exec \
sh -c \'"echo a; exec > /dev/null; sleep 3; cat ${DATA} 1>&2 $s"\' \
> /dev/null 2> ${COPY}
r=$?
if [ $r -ne 0 ]; then
fail "ssh failed with exit code $r"
fi
cmp ${DATA} ${COPY} || fail "stderr corrupt"
rm -f ${COPY}
done