2 files changed, 40 insertions, 2 deletions

diff --git a/regress/Makefile b/regress/Makefile
index bb8806818..c2dba4fdf 100644
--- a/regress/Makefile
+++ b/regress/Makefile
@@ -1,4 +1,4 @@
-#       $OpenBSD: Makefile,v 1.93 2016/11/01 13:43:27 tb Exp $
+#       $OpenBSD: Makefile,v 1.94 2016/12/16 03:51:19 dtucker Exp $
 
 REGRESS_TARGETS=        unit t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t-exec
 tests:          prep $(REGRESS_TARGETS)
@@ -78,7 +78,8 @@ LTESTS= 	connect \
                 hostkey-rotate \
                 principals-command \
                 cert-file \
-                cfginclude
+                cfginclude \
+                allow-deny-users
 
 
 #               dhgex \
diff --git a/regress/allow-deny-users.sh b/regress/allow-deny-users.sh
new file mode 100644
index 000000000..217b15940
--- /dev/null
+++ b/regress/allow-deny-users.sh
@@ -0,0 +1,37 @@
+# Public Domain
+# Zev Weiss, 2016
+
+tid="AllowUsers/DenyUsers"
+
+me=`whoami`
+other="nobody"
+
+test_auth()
+{
+        deny="$1"
+        allow="$2"
+        should_succeed="$3"
+        failmsg="$4"
+
+        start_sshd -oDenyUsers="$deny" -oAllowUsers="$allow"
+
+        ${SSH} -F $OBJ/ssh_config "$me@somehost" true
+        status=$?
+
+        if (test $status -eq 0 && ! $should_succeed) \
+            || (test $status -ne 0 && $should_succeed); then
+                fail "$failmsg"
+        fi
+
+        stop_sshd
+}
+
+#         DenyUsers     AllowUsers    should_succeed  failure_message
+test_auth ""            ""            true            "user in neither DenyUsers nor AllowUsers denied"
+test_auth "$other $me"  ""            false           "user in DenyUsers allowed"
+test_auth "$me $other"  ""            false           "user in DenyUsers allowed"
+test_auth ""            "$other"      false           "user not in AllowUsers allowed"
+test_auth ""            "$other $me"  true            "user in AllowUsers denied"
+test_auth ""            "$me $other"  true            "user in AllowUsers denied"
+test_auth "$me $other"  "$me $other"  false           "user in both DenyUsers and AllowUsers allowed"
+test_auth "$other $me"  "$other $me"  false           "user in both DenyUsers and AllowUsers allowed"