Adding upstream version 1:9.2p1.upstream/1%9.2p1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 158 insertions, 0 deletions

diff --git a/regress/cfgmatch.sh b/regress/cfgmatch.sh
new file mode 100644
index 0000000..05a6668
--- /dev/null
+++ b/regress/cfgmatch.sh
@@ -0,0 +1,158 @@
+#	$OpenBSD: cfgmatch.sh,v 1.13 2021/06/08 06:52:43 djm Exp $
+#	Placed in the Public Domain.
+
+tid="sshd_config match"
+
+pidfile=$OBJ/remote_pid
+fwdport=3301
+fwd="-L $fwdport:127.0.0.1:$PORT"
+
+echo "ExitOnForwardFailure=yes" >> $OBJ/ssh_config
+echo "ExitOnForwardFailure=yes" >> $OBJ/ssh_proxy
+
+start_client()
+{
+	rm -f $pidfile
+	${SSH} -q $fwd "$@" somehost \
+	    exec sh -c \'"echo \$\$ > $pidfile; exec sleep 100"\' \
+	    >>$TEST_REGRESS_LOGFILE 2>&1 &
+	client_pid=$!
+	# Wait for remote end
+	n=0
+	while test ! -f $pidfile ; do
+		sleep 1
+		n=`expr $n + 1`
+		if test $n -gt 60; then
+			kill $client_pid
+			fatal "timeout waiting for background ssh"
+		fi
+	done	
+}
+
+stop_client()
+{
+	pid=`cat $pidfile`
+	if [ ! -z "$pid" ]; then
+		kill $pid
+	fi
+	wait
+}
+
+cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak
+echo "PermitOpen 127.0.0.1:1 # comment" >>$OBJ/sshd_config
+echo "Match Address 127.0.0.1" >>$OBJ/sshd_config
+echo "PermitOpen 127.0.0.1:2 127.0.0.1:3 127.0.0.1:$PORT" >>$OBJ/sshd_config
+
+grep -v AuthorizedKeysFile $OBJ/sshd_proxy_bak > $OBJ/sshd_proxy
+echo "AuthorizedKeysFile /dev/null # comment" >>$OBJ/sshd_proxy
+echo "PermitOpen 127.0.0.1:1" >>$OBJ/sshd_proxy
+echo "Match user $USER" >>$OBJ/sshd_proxy
+echo "AuthorizedKeysFile /dev/null $OBJ/authorized_keys_%u" >>$OBJ/sshd_proxy
+echo "Match Address 127.0.0.1 # comment" >>$OBJ/sshd_proxy
+echo "PermitOpen 127.0.0.1:2 127.0.0.1:3 127.0.0.1:$PORT" >>$OBJ/sshd_proxy
+
+${SUDO} ${SSHD} -f $OBJ/sshd_config -T >/dev/null || \
+    fail "config w/match fails config test"
+
+start_sshd
+
+# Test Match + PermitOpen in sshd_config.  This should be permitted
+trace "match permitopen localhost"
+start_client -F $OBJ/ssh_config
+${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true || \
+    fail "match permitopen permit"
+stop_client
+
+# Same but from different source.  This should not be permitted
+trace "match permitopen proxy"
+start_client -F $OBJ/ssh_proxy
+${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true && \
+    fail "match permitopen deny"
+stop_client
+
+# Retry previous with key option, should also be denied.
+cp /dev/null $OBJ/authorized_keys_$USER
+for t in ${SSH_KEYTYPES}; do
+	printf 'permitopen="127.0.0.1:'$PORT'" ' >> $OBJ/authorized_keys_$USER
+	cat $OBJ/$t.pub >> $OBJ/authorized_keys_$USER
+done
+trace "match permitopen proxy w/key opts"
+start_client -F $OBJ/ssh_proxy
+${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true && \
+    fail "match permitopen deny w/key opt"
+stop_client
+
+# Test both sshd_config and key options permitting the same dst/port pair.
+# Should be permitted.
+trace "match permitopen localhost"
+start_client -F $OBJ/ssh_config
+${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true || \
+    fail "match permitopen permit"
+stop_client
+
+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
+trace "match permitopen proxy w/key opts"
+start_client -F $OBJ/ssh_proxy
+${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true && \
+    fail "match override permitopen"
+stop_client
+
+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
+trace "nomatch permitopen proxy w/key opts"
+start_client -F $OBJ/ssh_proxy
+${SSH} -q -p $fwdport -F $OBJ/ssh_config somehost true || \
+    fail "nomatch override permitopen"
+stop_client
+
+# Test parsing of available Match criteria (with the exception of Group which
+# requires knowledge of actual group memberships user running the test).
+params="user:user:u1 host:host:h1 address:addr:1.2.3.4 \
+    localaddress:laddr:5.6.7.8 rdomain:rdomain:rdom1"
+cp $OBJ/sshd_proxy_bak $OBJ/sshd_config
+echo 'Banner /nomatch' >>$OBJ/sshd_config
+for i in $params; do
+	config=`echo $i | cut -f1 -d:`
+	criteria=`echo $i | cut -f2 -d:`
+	value=`echo $i | cut -f3 -d:`
+	cat >>$OBJ/sshd_config <<EOD
+	    Match $config $value
+	      Banner /$value
+EOD
+done
+
+${SUDO} ${SSHD} -f $OBJ/sshd_config -T >/dev/null || \
+    fail "validate config for w/out spec"
+
+# Test matching each criteria.
+for i in $params; do
+	testcriteria=`echo $i | cut -f2 -d:`
+	expected=/`echo $i | cut -f3 -d:`
+	spec=""
+	for j in $params; do
+		config=`echo $j | cut -f1 -d:`
+		criteria=`echo $j | cut -f2 -d:`
+		value=`echo $j | cut -f3 -d:`
+		if [ "$criteria" = "$testcriteria" ]; then
+			spec="$criteria=$value,$spec"
+		else
+			spec="$criteria=1$value,$spec"
+		fi
+	done
+	trace "test spec $spec"
+	result=`${SUDO} ${SSHD} -f $OBJ/sshd_config -T -C "$spec" | \
+	    awk '$1=="banner"{print $2}'`
+	if [ "$result" != "$expected" ]; then
+		fail "match $config expected $expected got $result"
+	fi
+done