# $OpenBSD: key-options.sh,v 1.4 2017/04/30 23:34:55 djm Exp $ # Placed in the Public Domain. tid="key options" origkeys="$OBJ/authkeys_orig" authkeys="$OBJ/authorized_keys_${USER}" cp $authkeys $origkeys # Test command= forced command for c in 'command="echo bar"' 'no-pty,command="echo bar"'; do sed "s/.*/$c &/" $origkeys >$authkeys verbose "key option $c" r=`${SSH} -q -F $OBJ/ssh_proxy somehost echo foo` if [ "$r" = "foo" ]; then fail "key option forced command not restricted" fi if [ "$r" != "bar" ]; then fail "key option forced command not executed" fi done # Test no-pty sed 's/.*/no-pty &/' $origkeys >$authkeys verbose "key option proto no-pty" r=`${SSH} -q -F $OBJ/ssh_proxy somehost tty` if [ -f "$r" ]; then fail "key option failed no-pty (pty $r)" fi # Test environment= echo 'PermitUserEnvironment yes' >> $OBJ/sshd_proxy sed 's/.*/environment="FOO=bar" &/' $origkeys >$authkeys verbose "key option environment" r=`${SSH} -q -F $OBJ/ssh_proxy somehost 'echo $FOO'` if [ "$r" != "bar" ]; then fail "key option environment not set" fi # Test from= restriction start_sshd for f in 127.0.0.1 '127.0.0.0\/8'; do cat $origkeys >$authkeys ${SSH} -q -F $OBJ/ssh_proxy somehost true if [ $? -ne 0 ]; then fail "key option failed without restriction" fi sed 's/.*/from="'"$f"'" &/' $origkeys >$authkeys from=`head -1 $authkeys | cut -f1 -d ' '` verbose "key option $from" r=`${SSH} -q -F $OBJ/ssh_proxy somehost 'echo true'` if [ "$r" = "true" ]; then fail "key option $from not restricted" fi r=`${SSH} -q -F $OBJ/ssh_config somehost 'echo true'` if [ "$r" != "true" ]; then fail "key option $from not allowed but should be" fi done rm -f "$origkeys"