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# $OpenBSD: cfgmatch.sh,v 1.4 2006/12/13 08:36:36 dtucker Exp $
# Placed in the Public Domain.
tid="sshd_config match"
pidfile=$OBJ/remote_pid
fwdport=3301
fwd="-L $fwdport:127.0.0.1:$PORT"
stop_client()
{
pid=`cat $pidfile`
if [ ! -z "$pid" ]; then
kill $pid
sleep 1
fi
}
cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak
echo "PermitOpen 127.0.0.1:1" >>$OBJ/sshd_config
echo "Match Address 127.0.0.1" >>$OBJ/sshd_config
echo "PermitOpen 127.0.0.1:$PORT" >>$OBJ/sshd_config
echo "PermitOpen 127.0.0.1:1" >>$OBJ/sshd_proxy
echo "Match Address 127.0.0.1" >>$OBJ/sshd_proxy
echo "PermitOpen 127.0.0.1:$PORT" >>$OBJ/sshd_proxy
start_sshd
#set -x
# Test Match + PermitOpen in sshd_config. This should be permitted
for p in 1 2; do
rm -f $pidfile
trace "match permitopen localhost proto $p"
${SSH} -$p $fwd -F $OBJ/ssh_config -f somehost \
exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
fail "match permitopen proto $p sshd failed"
sleep 1;
${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true || \
fail "match permitopen permit proto $p"
stop_client
done
# Same but from different source. This should not be permitted
for p in 1 2; do
rm -f $pidfile
trace "match permitopen proxy proto $p"
${SSH} -q -$p $fwd -F $OBJ/ssh_proxy -f somehost \
exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
fail "match permitopen proxy proto $p sshd failed"
sleep 1;
${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true && \
fail "match permitopen deny proto $p"
stop_client
done
# Retry previous with key option, should also be denied.
echo -n 'permitopen="127.0.0.1:'$PORT'" ' >$OBJ/authorized_keys_$USER
cat $OBJ/rsa.pub >> $OBJ/authorized_keys_$USER
echo -n 'permitopen="127.0.0.1:'$PORT'" ' >>$OBJ/authorized_keys_$USER
cat $OBJ/rsa1.pub >> $OBJ/authorized_keys_$USER
for p in 1 2; do
rm -f $pidfile
trace "match permitopen proxy w/key opts proto $p"
${SSH} -q -$p $fwd -F $OBJ/ssh_proxy -f somehost \
exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
fail "match permitopen w/key opt proto $p sshd failed"
sleep 1;
${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true && \
fail "match permitopen deny w/key opt proto $p"
stop_client
done
# Test both sshd_config and key options permitting the same dst/port pair.
# Should be permitted.
for p in 1 2; do
rm -f $pidfile
trace "match permitopen localhost proto $p"
${SSH} -$p $fwd -F $OBJ/ssh_config -f somehost \
exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
fail "match permitopen proto $p sshd failed"
sleep 1;
${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true || \
fail "match permitopen permit proto $p"
stop_client
done
cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
echo "PermitOpen 127.0.0.1:1 127.0.0.1:$PORT 127.0.0.2:2" >>$OBJ/sshd_proxy
echo "Match User $USER" >>$OBJ/sshd_proxy
echo "PermitOpen 127.0.0.1:1 127.0.0.1:2" >>$OBJ/sshd_proxy
# Test that a Match overrides a PermitOpen in the global section
for p in 1 2; do
rm -f $pidfile
trace "match permitopen proxy w/key opts proto $p"
${SSH} -q -$p $fwd -F $OBJ/ssh_proxy -f somehost \
exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
fail "match override permitopen proto $p sshd failed"
sleep 1;
${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true && \
fail "match override permitopen proto $p"
stop_client
done
cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy
echo "PermitOpen 127.0.0.1:1 127.0.0.1:$PORT 127.0.0.2:2" >>$OBJ/sshd_proxy
echo "Match User NoSuchUser" >>$OBJ/sshd_proxy
echo "PermitOpen 127.0.0.1:1 127.0.0.1:2" >>$OBJ/sshd_proxy
# Test that a rule that doesn't match doesn't override, plus test a
# PermitOpen entry that's not at the start of the list
for p in 1 2; do
rm -f $pidfile
trace "nomatch permitopen proxy w/key opts proto $p"
${SSH} -q -$p $fwd -F $OBJ/ssh_proxy -f somehost \
exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' >>$TEST_SSH_LOGFILE 2>&1 ||\
fail "nomatch override permitopen proto $p sshd failed"
sleep 1;
${SSH} -q -$p -p $fwdport -F $OBJ/ssh_config somehost true || \
fail "nomatch override permitopen proto $p"
stop_client
done
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