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# $OpenBSD: keys-command.sh,v 1.1 2012/11/22 22:49:30 djm Exp $
# Placed in the Public Domain.
tid="authorized keys from command"
if test -z "$SUDO" ; then
echo "skipped (SUDO not set)"
echo "need SUDO to create file in /var/run, test won't work without"
exit 0
fi
# Establish a AuthorizedKeysCommand in /var/run where it will have
# acceptable directory permissions.
KEY_COMMAND="/var/run/keycommand_${LOGNAME}"
cat << _EOF | $SUDO sh -c "cat > '$KEY_COMMAND'"
#!/bin/sh
test "x\$1" -ne "x${LOGNAME}" && exit 1
exec cat "$OBJ/authorized_keys_${LOGNAME}"
_EOF
$SUDO chmod 0755 "$KEY_COMMAND"
cp $OBJ/sshd_proxy $OBJ/sshd_proxy.bak
(
grep -vi AuthorizedKeysFile $OBJ/sshd_proxy.bak
echo AuthorizedKeysFile none
echo AuthorizedKeysCommand $KEY_COMMAND
echo AuthorizedKeysCommandUser ${LOGNAME}
) > $OBJ/sshd_proxy
${SSH} -F $OBJ/ssh_proxy somehost true
if [ $? -ne 0 ]; then
fail "connect failed"
fi
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