update to Unbound 1.5.7, looks fine to deraadt@.

Notable addition: implements optional support for qname minimisation
(a privacy improvement; see draft-ietf-dnsop-qname-minimisation-07)

38 files changed, 1557 insertions, 477 deletions

diff --git a/usr.sbin/unbound/Makefile.in b/usr.sbin/unbound/Makefile.in
index c2f32673085..533464b0c73 100644
--- a/usr.sbin/unbound/Makefile.in
+++ b/usr.sbin/unbound/Makefile.in
@@ -38,6 +38,7 @@ UNBOUND_VERSION_MINOR=@UNBOUND_VERSION_MINOR@
 UNBOUND_VERSION_MICRO=@UNBOUND_VERSION_MICRO@
 ALLTARGET=@ALLTARGET@
 INSTALLTARGET=@INSTALLTARGET@
+SSLLIB=@SSLLIB@
 
 # _unbound.la if pyunbound enabled.
 PYUNBOUND_TARGET=@PYUNBOUND_TARGET@
@@ -132,7 +133,7 @@ compat/memcmp.c compat/memmove.c compat/snprintf.c compat/strlcat.c \
 compat/strlcpy.c compat/strptime.c compat/getentropy_linux.c \
 compat/getentropy_osx.c compat/getentropy_solaris.c compat/getentropy_win.c \
 compat/explicit_bzero.c compat/arc4random.c compat/arc4random_uniform.c \
-compat/arc4_lock.c compat/sha512.c compat/reallocarray.c
+compat/arc4_lock.c compat/sha512.c compat/reallocarray.c compat/isblank.c
 COMPAT_OBJ=$(LIBOBJS:.o=.lo)
 COMPAT_OBJ_WITHOUT_CTIME=$(LIBOBJ_WITHOUT_CTIME:.o=.lo)
 COMPAT_OBJ_WITHOUT_CTIMEARC4=$(LIBOBJ_WITHOUT_CTIMEARC4:.o=.lo)
@@ -295,22 +296,22 @@ longtest:	tests
 lib:	libunbound.la unbound.h
 
 libunbound.la:	$(LIBUNBOUND_OBJ_LINK)
-	$(LINK_LIB) $(UBSYMS) -o $@ $(LIBUNBOUND_OBJ_LINK) -rpath $(libdir) -lssl $(LIBS)
+	$(LINK_LIB) $(UBSYMS) -o $@ $(LIBUNBOUND_OBJ_LINK) -rpath $(libdir) $(SSLLIB) $(LIBS)
 
 unbound$(EXEEXT):	$(DAEMON_OBJ_LINK) libunbound.la
-	$(LINK) -o $@ $(DAEMON_OBJ_LINK) $(EXTRALINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(DAEMON_OBJ_LINK) $(EXTRALINK) $(SSLLIB) $(LIBS)
 
 unbound-checkconf$(EXEEXT):	$(CHECKCONF_OBJ_LINK) libunbound.la
-	$(LINK) -o $@ $(CHECKCONF_OBJ_LINK) $(EXTRALINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(CHECKCONF_OBJ_LINK) $(EXTRALINK) $(SSLLIB) $(LIBS)
 
 unbound-control$(EXEEXT):	$(CONTROL_OBJ_LINK) libunbound.la
-	$(LINK) -o $@ $(CONTROL_OBJ_LINK) $(EXTRALINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(CONTROL_OBJ_LINK) $(EXTRALINK) $(SSLLIB) $(LIBS)
 
 unbound-host$(EXEEXT):	$(HOST_OBJ_LINK) libunbound.la
 	$(LINK) -o $@ $(HOST_OBJ_LINK) -L. -L.libs -lunbound $(LIBS)
 
 unbound-anchor$(EXEEXT):	$(UBANCHOR_OBJ_LINK) libunbound.la
-	$(LINK) -o $@ $(UBANCHOR_OBJ_LINK) -L. -L.libs -lunbound -lexpat -lssl $(LIBS)
+	$(LINK) -o $@ $(UBANCHOR_OBJ_LINK) -L. -L.libs -lunbound -lexpat $(SSLLIB) $(LIBS)
 
 unbound-service-install$(EXEEXT):	$(SVCINST_OBJ_LINK)
 	$(LINK) -o $@ $(SVCINST_OBJ_LINK) $(LIBS)
@@ -322,37 +323,37 @@ anchor-update$(EXEEXT):  $(ANCHORUPD_OBJ_LINK) libunbound.la
 	$(LINK) -o $@ $(ANCHORUPD_OBJ_LINK) -L. -L.libs -lunbound $(LIBS)
 
 unittest$(EXEEXT):	$(UNITTEST_OBJ_LINK)
-	$(LINK) -o $@ $(UNITTEST_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(UNITTEST_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 testbound$(EXEEXT):	$(TESTBOUND_OBJ_LINK)
-	$(LINK) -o $@ $(TESTBOUND_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(TESTBOUND_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 lock-verify$(EXEEXT):	$(LOCKVERIFY_OBJ_LINK)
-	$(LINK) -o $@ $(LOCKVERIFY_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(LOCKVERIFY_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 petal$(EXEEXT):	$(PETAL_OBJ_LINK)
-	$(LINK) -o $@ $(PETAL_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(PETAL_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 pktview$(EXEEXT):	$(PKTVIEW_OBJ_LINK)
-	$(LINK) -o $@ $(PKTVIEW_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(PKTVIEW_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 memstats$(EXEEXT):	$(MEMSTATS_OBJ_LINK)
-	$(LINK) -o $@ $(MEMSTATS_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(MEMSTATS_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 asynclook$(EXEEXT):	$(ASYNCLOOK_OBJ_LINK) libunbound.la
 	$(LINK) -o $@ $(ASYNCLOOK_OBJ_LINK) $(LIBS) -L. -L.libs -lunbound
 
 streamtcp$(EXEEXT):	$(STREAMTCP_OBJ_LINK)
-	$(LINK) -o $@ $(STREAMTCP_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(STREAMTCP_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 perf$(EXEEXT):	$(PERF_OBJ_LINK)
-	$(LINK) -o $@ $(PERF_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(PERF_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 delayer$(EXEEXT):	$(DELAYER_OBJ_LINK)
-	$(LINK) -o $@ $(DELAYER_OBJ_LINK) -lssl $(LIBS)
+	$(LINK) -o $@ $(DELAYER_OBJ_LINK) $(SSLLIB) $(LIBS)
 
 signit$(EXEEXT):	testcode/signit.c
-	$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ testcode/signit.c $(LDFLAGS) -lldns -lssl $(LIBS)
+	$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ testcode/signit.c $(LDFLAGS) -lldns $(SSLLIB) $(LIBS)
 
 unbound.h:	$(srcdir)/libunbound/unbound.h
 	sed -e 's/@''UNBOUND_VERSION_MAJOR@/$(UNBOUND_VERSION_MAJOR)/' -e 's/@''UNBOUND_VERSION_MINOR@/$(UNBOUND_VERSION_MINOR)/' -e 's/@''UNBOUND_VERSION_MICRO@/$(UNBOUND_VERSION_MICRO)/' < $(srcdir)/libunbound/unbound.h > $@
@@ -480,8 +481,6 @@ unbound-event-install:
 install:
 	# avoid mistakes made by people who forget "make -f Makefile.bsd-wrapper"
 
-orig-install:	$(INSTALLTARGET)
-
 install-lib:	lib $(UNBOUND_EVENT_INSTALL)
 	$(INSTALL) -m 755 -d $(DESTDIR)$(libdir)
 	$(INSTALL) -m 755 -d $(DESTDIR)$(includedir)
@@ -647,7 +646,7 @@ iterator.lo iterator.o: $(srcdir)/iterator/iterator.c config.h $(srcdir)/iterato
  $(srcdir)/util/rtt.h $(srcdir)/util/netevent.h $(srcdir)/util/net_help.h $(srcdir)/util/regional.h \
  $(srcdir)/util/data/dname.h $(srcdir)/util/data/msgencode.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/tube.h \
  $(srcdir)/services/mesh.h $(srcdir)/services/modstack.h $(srcdir)/util/config_file.h $(srcdir)/util/random.h \
- $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/sbuffer.h
+ $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/sbuffer.h
 iter_delegpt.lo iter_delegpt.o: $(srcdir)/iterator/iter_delegpt.c config.h $(srcdir)/iterator/iter_delegpt.h \
  $(srcdir)/util/log.h $(srcdir)/services/cache/dns.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h \
  $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/regional.h \
@@ -730,8 +729,7 @@ outside_network.lo outside_network.o: $(srcdir)/services/outside_network.c confi
  $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgencode.h \
  $(srcdir)/util/data/dname.h $(srcdir)/util/net_help.h $(srcdir)/util/random.h $(srcdir)/util/fptr_wlist.h \
  $(srcdir)/util/module.h $(srcdir)/util/tube.h $(srcdir)/services/mesh.h $(srcdir)/services/modstack.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/dnstap/dnstap.h \
- 
+ $(srcdir)/sldns/sbuffer.h $(srcdir)/dnstap/dnstap.h
 alloc.lo alloc.o: $(srcdir)/util/alloc.c config.h $(srcdir)/util/alloc.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
  $(srcdir)/util/regional.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/util/fptr_wlist.h $(srcdir)/util/netevent.h $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h \
@@ -779,14 +777,12 @@ netevent.lo netevent.o: $(srcdir)/util/netevent.c config.h $(srcdir)/util/neteve
  $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h \
  $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/tube.h \
  $(srcdir)/services/mesh.h $(srcdir)/util/rbtree.h $(srcdir)/services/modstack.h $(srcdir)/sldns/sbuffer.h \
- $(srcdir)/dnstap/dnstap.h  \
- $(srcdir)/util/mini_event.h $(srcdir)/util/rbtree.h
+ $(srcdir)/dnstap/dnstap.h  $(srcdir)/util/mini_event.h $(srcdir)/util/rbtree.h
 net_help.lo net_help.o: $(srcdir)/util/net_help.c config.h $(srcdir)/util/net_help.h $(srcdir)/util/log.h \
  $(srcdir)/util/data/dname.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/module.h \
  $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgparse.h \
  $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/regional.h $(srcdir)/sldns/parseutil.h \
- $(srcdir)/sldns/wire2str.h \
- 
+ $(srcdir)/sldns/wire2str.h
 random.lo random.o: $(srcdir)/util/random.c config.h $(srcdir)/util/random.h $(srcdir)/util/log.h
 rbtree.lo rbtree.o: $(srcdir)/util/rbtree.c config.h $(srcdir)/util/log.h $(srcdir)/util/fptr_wlist.h \
  $(srcdir)/util/netevent.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
@@ -821,8 +817,7 @@ autotrust.lo autotrust.o: $(srcdir)/validator/autotrust.c config.h $(srcdir)/val
  $(srcdir)/util/net_help.h $(srcdir)/util/config_file.h $(srcdir)/util/regional.h $(srcdir)/util/random.h \
  $(srcdir)/services/mesh.h $(srcdir)/util/netevent.h $(srcdir)/services/modstack.h \
  $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/validator/val_kcache.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/keyraw.h \
- 
+ $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/keyraw.h
 val_anchor.lo val_anchor.o: $(srcdir)/validator/val_anchor.c config.h $(srcdir)/validator/val_anchor.h \
  $(srcdir)/util/rbtree.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/validator/val_sigcrypt.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/validator/autotrust.h \
@@ -847,18 +842,16 @@ val_kcache.lo val_kcache.o: $(srcdir)/validator/val_kcache.c config.h $(srcdir)/
 val_kentry.lo val_kentry.o: $(srcdir)/validator/val_kentry.c config.h $(srcdir)/validator/val_kentry.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/data/packed_rrset.h \
  $(srcdir)/util/data/dname.h $(srcdir)/util/storage/lookup3.h $(srcdir)/util/regional.h $(srcdir)/util/net_help.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h \
- 
-val_neg.lo val_neg.o: $(srcdir)/validator/val_neg.c config.h \
- $(srcdir)/validator/val_neg.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/rbtree.h \
- $(srcdir)/validator/val_nsec.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/validator/val_nsec3.h $(srcdir)/validator/val_utils.h $(srcdir)/util/data/dname.h \
- $(srcdir)/util/data/msgreply.h $(srcdir)/util/net_help.h $(srcdir)/util/config_file.h \
- $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/services/cache/dns.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/sbuffer.h
-val_nsec3.lo val_nsec3.o: $(srcdir)/validator/val_nsec3.c config.h \
- $(srcdir)/validator/val_nsec3.h $(srcdir)/util/rbtree.h $(srcdir)/util/data/packed_rrset.h \
- $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/validator/validator.h \
+ $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h
+val_neg.lo val_neg.o: $(srcdir)/validator/val_neg.c config.h $(srcdir)/validator/val_neg.h $(srcdir)/util/locks.h \
+ $(srcdir)/util/log.h $(srcdir)/util/rbtree.h $(srcdir)/validator/val_nsec.h $(srcdir)/util/data/packed_rrset.h \
+ $(srcdir)/util/storage/lruhash.h $(srcdir)/validator/val_nsec3.h $(srcdir)/validator/val_utils.h \
+ $(srcdir)/util/data/dname.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/net_help.h \
+ $(srcdir)/util/config_file.h $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h \
+ $(srcdir)/services/cache/dns.h $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/sbuffer.h
+val_nsec3.lo val_nsec3.o: $(srcdir)/validator/val_nsec3.c config.h $(srcdir)/validator/val_nsec3.h \
+ $(srcdir)/util/rbtree.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
+ $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/validator/val_secalgo.h $(srcdir)/validator/validator.h \
  $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/validator/val_utils.h $(srcdir)/validator/val_kentry.h \
  $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/util/regional.h \
@@ -870,17 +863,15 @@ val_nsec.lo val_nsec.o: $(srcdir)/validator/val_nsec.c config.h $(srcdir)/valida
  $(srcdir)/sldns/rrdef.h $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h
 val_secalgo.lo val_secalgo.o: $(srcdir)/validator/val_secalgo.c config.h $(srcdir)/util/data/packed_rrset.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/validator/val_secalgo.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h \
- $(srcdir)/sldns/sbuffer.h \
- 
+ $(srcdir)/validator/val_nsec3.h $(srcdir)/util/rbtree.h $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h \
+ $(srcdir)/sldns/sbuffer.h
 val_sigcrypt.lo val_sigcrypt.o: $(srcdir)/validator/val_sigcrypt.c config.h \
  $(srcdir)/validator/val_sigcrypt.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/validator/val_secalgo.h $(srcdir)/validator/validator.h \
  $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/validator/val_utils.h $(srcdir)/util/data/dname.h $(srcdir)/util/rbtree.h \
- $(srcdir)/util/net_help.h $(srcdir)/util/regional.h $(srcdir)/sldns/keyraw.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/wire2str.h \
- 
+ $(srcdir)/util/net_help.h $(srcdir)/util/regional.h $(srcdir)/sldns/keyraw.h $(srcdir)/sldns/sbuffer.h \
+ $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/wire2str.h
 val_utils.lo val_utils.o: $(srcdir)/validator/val_utils.c config.h $(srcdir)/validator/val_utils.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
  $(srcdir)/validator/validator.h $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h \
@@ -898,11 +889,6 @@ dns64.lo dns64.o: $(srcdir)/dns64/dns64.c config.h $(srcdir)/dns64/dns64.h $(src
  $(srcdir)/services/modstack.h $(srcdir)/util/net_help.h $(srcdir)/util/regional.h
 checklocks.lo checklocks.o: $(srcdir)/testcode/checklocks.c config.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
  $(srcdir)/testcode/checklocks.h
-dnstap.lo dnstap.o: $(srcdir)/dnstap/dnstap.c  config.h $(srcdir)/sldns/sbuffer.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/net_help.h $(srcdir)/util/log.h $(srcdir)/util/netevent.h \
- $(srcdir)/dnstap/dnstap.h \
- $(srcdir)/dnstap/dnstap.pb-c.h
-dnstap.pb-c.lo dnstap.pb-c.o: $(srcdir)/dnstap/dnstap.pb-c.c $(srcdir)/dnstap/dnstap.pb-c.h
 unitanchor.lo unitanchor.o: $(srcdir)/testcode/unitanchor.c config.h $(srcdir)/util/log.h $(srcdir)/util/data/dname.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/testcode/unitmain.h \
  $(srcdir)/validator/val_anchor.h $(srcdir)/util/rbtree.h $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/rrdef.h
@@ -911,8 +897,7 @@ unitdname.lo unitdname.o: $(srcdir)/testcode/unitdname.c config.h $(srcdir)/util
  $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/rrdef.h
 unitlruhash.lo unitlruhash.o: $(srcdir)/testcode/unitlruhash.c config.h $(srcdir)/testcode/unitmain.h \
  $(srcdir)/util/log.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/storage/slabhash.h
-unitmain.lo unitmain.o: $(srcdir)/testcode/unitmain.c config.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h \
+unitmain.lo unitmain.o: $(srcdir)/testcode/unitmain.c config.h $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/keyraw.h \
  $(srcdir)/util/log.h $(srcdir)/testcode/unitmain.h $(srcdir)/util/alloc.h $(srcdir)/util/locks.h $(srcdir)/util/net_help.h \
  $(srcdir)/util/config_file.h $(srcdir)/util/rtt.h $(srcdir)/services/cache/infra.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
@@ -950,38 +935,35 @@ unitldns.lo unitldns.o: $(srcdir)/testcode/unitldns.c config.h $(srcdir)/util/lo
 acl_list.lo acl_list.o: $(srcdir)/daemon/acl_list.c config.h $(srcdir)/daemon/acl_list.h \
  $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/regional.h $(srcdir)/util/log.h \
  $(srcdir)/util/config_file.h $(srcdir)/util/net_help.h
-cachedump.lo cachedump.o: $(srcdir)/daemon/cachedump.c config.h \
- $(srcdir)/daemon/cachedump.h $(srcdir)/daemon/remote.h $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/netevent.h $(srcdir)/util/alloc.h \
+cachedump.lo cachedump.o: $(srcdir)/daemon/cachedump.c config.h $(srcdir)/daemon/cachedump.h \
+ $(srcdir)/daemon/remote.h $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
+ $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
+ $(srcdir)/util/netevent.h $(srcdir)/util/alloc.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h \
+ $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h \
+ $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h  \
+ $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/services/cache/dns.h \
+ $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/rtt.h \
+ $(srcdir)/util/regional.h $(srcdir)/util/net_help.h $(srcdir)/util/data/dname.h $(srcdir)/iterator/iterator.h \
+ $(srcdir)/services/outbound_list.h $(srcdir)/iterator/iter_delegpt.h $(srcdir)/iterator/iter_utils.h \
+ $(srcdir)/iterator/iter_resptype.h $(srcdir)/iterator/iter_fwd.h $(srcdir)/iterator/iter_hints.h \
+ $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h
+daemon.lo daemon.o: $(srcdir)/daemon/daemon.c config.h $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h \
+ $(srcdir)/util/log.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h  \
+ $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
+ $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/netevent.h \
  $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h \
  $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h \
-  $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h \
- $(srcdir)/services/cache/dns.h $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h \
- $(srcdir)/util/rbtree.h $(srcdir)/util/rtt.h $(srcdir)/util/regional.h $(srcdir)/util/net_help.h \
- $(srcdir)/util/data/dname.h $(srcdir)/iterator/iterator.h $(srcdir)/services/outbound_list.h \
- $(srcdir)/iterator/iter_delegpt.h $(srcdir)/iterator/iter_utils.h $(srcdir)/iterator/iter_resptype.h \
- $(srcdir)/iterator/iter_fwd.h $(srcdir)/iterator/iter_hints.h $(srcdir)/sldns/wire2str.h \
- $(srcdir)/sldns/str2wire.h
-daemon.lo daemon.o: $(srcdir)/daemon/daemon.c config.h \
- $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h \
-  $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/util/netevent.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h \
- $(srcdir)/dnstap/dnstap.h $(srcdir)/daemon/remote.h \
- $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
+ $(srcdir)/daemon/remote.h $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
  $(srcdir)/util/config_file.h $(srcdir)/util/storage/lookup3.h $(srcdir)/util/storage/slabhash.h \
  $(srcdir)/services/listen_dnsport.h $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h \
  $(srcdir)/util/rtt.h $(srcdir)/services/localzone.h $(srcdir)/util/random.h $(srcdir)/util/tube.h \
  $(srcdir)/util/net_help.h $(srcdir)/sldns/keyraw.h
-remote.lo remote.o: $(srcdir)/daemon/remote.c config.h \
- $(srcdir)/daemon/remote.h \
- $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
- $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
- $(srcdir)/util/netevent.h $(srcdir)/util/alloc.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h \
- $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h \
- $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h  $(srcdir)/daemon/daemon.h \
+remote.lo remote.o: $(srcdir)/daemon/remote.c config.h $(srcdir)/daemon/remote.h $(srcdir)/daemon/worker.h \
+ $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h $(srcdir)/util/data/packed_rrset.h \
+ $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/netevent.h \
+ $(srcdir)/util/alloc.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
+ $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h \
+ $(srcdir)/dnstap/dnstap.h  $(srcdir)/daemon/daemon.h \
  $(srcdir)/services/modstack.h $(srcdir)/daemon/cachedump.h $(srcdir)/util/config_file.h \
  $(srcdir)/util/net_help.h $(srcdir)/services/listen_dnsport.h $(srcdir)/services/cache/rrset.h \
  $(srcdir)/util/storage/slabhash.h $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h \
@@ -1005,35 +987,33 @@ stats.lo stats.o: $(srcdir)/daemon/stats.c config.h $(srcdir)/daemon/stats.h $(s
  $(srcdir)/util/rtt.h $(srcdir)/validator/val_kcache.h
 unbound.lo unbound.o: $(srcdir)/daemon/unbound.c config.h $(srcdir)/util/log.h $(srcdir)/daemon/daemon.h \
  $(srcdir)/util/locks.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h  \
- $(srcdir)/daemon/remote.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/storage/slabhash.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/services/listen_dnsport.h $(srcdir)/util/netevent.h $(srcdir)/services/cache/rrset.h \
- $(srcdir)/util/data/packed_rrset.h $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h \
- $(srcdir)/util/rbtree.h $(srcdir)/util/rtt.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/module.h \
- $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h \
- $(srcdir)/util/tube.h $(srcdir)/services/mesh.h $(srcdir)/util/net_help.h $(srcdir)/util/mini_event.h \
- $(srcdir)/util/rbtree.h
+ $(srcdir)/daemon/remote.h $(srcdir)/util/config_file.h $(srcdir)/util/storage/slabhash.h \
+ $(srcdir)/util/storage/lruhash.h $(srcdir)/services/listen_dnsport.h $(srcdir)/util/netevent.h \
+ $(srcdir)/services/cache/rrset.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/services/cache/infra.h \
+ $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/rtt.h $(srcdir)/util/fptr_wlist.h \
+ $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
+ $(srcdir)/sldns/rrdef.h $(srcdir)/util/tube.h $(srcdir)/services/mesh.h $(srcdir)/util/net_help.h \
+ $(srcdir)/util/mini_event.h $(srcdir)/util/rbtree.h
 worker.lo worker.o: $(srcdir)/daemon/worker.c config.h $(srcdir)/util/log.h $(srcdir)/util/net_help.h \
  $(srcdir)/util/random.h $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h \
  $(srcdir)/util/netevent.h $(srcdir)/util/alloc.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h \
  $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h \
  $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h  $(srcdir)/daemon/daemon.h \
- $(srcdir)/services/modstack.h $(srcdir)/daemon/remote.h \
- $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/regional.h $(srcdir)/util/storage/slabhash.h \
- $(srcdir)/services/listen_dnsport.h $(srcdir)/services/outside_network.h \
- $(srcdir)/services/outbound_list.h $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h \
- $(srcdir)/util/rtt.h $(srcdir)/services/cache/dns.h $(srcdir)/services/mesh.h $(srcdir)/services/localzone.h \
+ $(srcdir)/services/modstack.h $(srcdir)/daemon/remote.h $(srcdir)/daemon/acl_list.h \
+ $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/config_file.h $(srcdir)/util/regional.h \
+ $(srcdir)/util/storage/slabhash.h $(srcdir)/services/listen_dnsport.h \
+ $(srcdir)/services/outside_network.h $(srcdir)/services/outbound_list.h \
+ $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h $(srcdir)/util/rtt.h \
+ $(srcdir)/services/cache/dns.h $(srcdir)/services/mesh.h $(srcdir)/services/localzone.h \
  $(srcdir)/util/data/msgencode.h $(srcdir)/util/data/dname.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/tube.h \
  $(srcdir)/iterator/iter_fwd.h $(srcdir)/iterator/iter_hints.h $(srcdir)/validator/autotrust.h \
  $(srcdir)/validator/val_anchor.h $(srcdir)/libunbound/context.h $(srcdir)/libunbound/unbound.h \
  $(srcdir)/libunbound/libworker.h
 testbound.lo testbound.o: $(srcdir)/testcode/testbound.c config.h $(srcdir)/testcode/testpkts.h \
  $(srcdir)/testcode/replay.h $(srcdir)/util/netevent.h $(srcdir)/util/rbtree.h $(srcdir)/testcode/fake_event.h \
- $(srcdir)/daemon/remote.h \
- $(srcdir)/util/config_file.h $(srcdir)/sldns/keyraw.h $(srcdir)/daemon/unbound.c $(srcdir)/util/log.h \
- $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h \
+ $(srcdir)/daemon/remote.h $(srcdir)/util/config_file.h $(srcdir)/sldns/keyraw.h $(srcdir)/daemon/unbound.c \
+ $(srcdir)/util/log.h $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h \
   $(srcdir)/util/storage/slabhash.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/services/listen_dnsport.h $(srcdir)/services/cache/rrset.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h \
@@ -1049,12 +1029,12 @@ worker.lo worker.o: $(srcdir)/daemon/worker.c config.h $(srcdir)/util/log.h $(sr
  $(srcdir)/util/netevent.h $(srcdir)/util/alloc.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h \
  $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h \
  $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h  $(srcdir)/daemon/daemon.h \
- $(srcdir)/services/modstack.h $(srcdir)/daemon/remote.h \
- $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/regional.h $(srcdir)/util/storage/slabhash.h \
- $(srcdir)/services/listen_dnsport.h $(srcdir)/services/outside_network.h \
- $(srcdir)/services/outbound_list.h $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h \
- $(srcdir)/util/rtt.h $(srcdir)/services/cache/dns.h $(srcdir)/services/mesh.h $(srcdir)/services/localzone.h \
+ $(srcdir)/services/modstack.h $(srcdir)/daemon/remote.h $(srcdir)/daemon/acl_list.h \
+ $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/config_file.h $(srcdir)/util/regional.h \
+ $(srcdir)/util/storage/slabhash.h $(srcdir)/services/listen_dnsport.h \
+ $(srcdir)/services/outside_network.h $(srcdir)/services/outbound_list.h \
+ $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h $(srcdir)/util/rtt.h \
+ $(srcdir)/services/cache/dns.h $(srcdir)/services/mesh.h $(srcdir)/services/localzone.h \
  $(srcdir)/util/data/msgencode.h $(srcdir)/util/data/dname.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/tube.h \
  $(srcdir)/iterator/iter_fwd.h $(srcdir)/iterator/iter_hints.h $(srcdir)/validator/autotrust.h \
  $(srcdir)/validator/val_anchor.h $(srcdir)/libunbound/context.h $(srcdir)/libunbound/unbound.h \
@@ -1062,14 +1042,13 @@ worker.lo worker.o: $(srcdir)/daemon/worker.c config.h $(srcdir)/util/log.h $(sr
 acl_list.lo acl_list.o: $(srcdir)/daemon/acl_list.c config.h $(srcdir)/daemon/acl_list.h \
  $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h $(srcdir)/util/regional.h $(srcdir)/util/log.h \
  $(srcdir)/util/config_file.h $(srcdir)/util/net_help.h
-daemon.lo daemon.o: $(srcdir)/daemon/daemon.c config.h \
- $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h \
-  $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/util/netevent.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h \
- $(srcdir)/dnstap/dnstap.h $(srcdir)/daemon/remote.h \
- $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
+daemon.lo daemon.o: $(srcdir)/daemon/daemon.c config.h $(srcdir)/daemon/daemon.h $(srcdir)/util/locks.h \
+ $(srcdir)/util/log.h $(srcdir)/util/alloc.h $(srcdir)/services/modstack.h  \
+ $(srcdir)/daemon/worker.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
+ $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/netevent.h \
+ $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h \
+ $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h $(srcdir)/dnstap/dnstap.h \
+ $(srcdir)/daemon/remote.h $(srcdir)/daemon/acl_list.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rbtree.h \
  $(srcdir)/util/config_file.h $(srcdir)/util/storage/lookup3.h $(srcdir)/util/storage/slabhash.h \
  $(srcdir)/services/listen_dnsport.h $(srcdir)/services/cache/rrset.h $(srcdir)/services/cache/infra.h \
  $(srcdir)/util/rtt.h $(srcdir)/services/localzone.h $(srcdir)/util/random.h $(srcdir)/util/tube.h \
@@ -1144,19 +1123,18 @@ libunbound.lo libunbound.o: $(srcdir)/libunbound/libunbound.c $(srcdir)/libunbou
  $(srcdir)/util/random.h $(srcdir)/util/net_help.h $(srcdir)/util/tube.h $(srcdir)/services/localzone.h \
  $(srcdir)/services/cache/infra.h $(srcdir)/util/storage/dnstree.h $(srcdir)/util/rtt.h \
  $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h $(srcdir)/sldns/sbuffer.h
-libworker.lo libworker.o: $(srcdir)/libunbound/libworker.c config.h \
- $(srcdir)/libunbound/libworker.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
- $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/libunbound/context.h $(srcdir)/util/alloc.h $(srcdir)/util/rbtree.h \
- $(srcdir)/services/modstack.h $(srcdir)/libunbound/unbound.h $(srcdir)/libunbound/worker.h \
- $(srcdir)/sldns/sbuffer.h $(srcdir)/libunbound/unbound-event.h $(srcdir)/services/outside_network.h \
- $(srcdir)/util/netevent.h  $(srcdir)/services/mesh.h \
- $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/module.h \
- $(srcdir)/util/data/msgreply.h $(srcdir)/services/localzone.h $(srcdir)/services/cache/rrset.h \
- $(srcdir)/util/storage/slabhash.h $(srcdir)/services/outbound_list.h $(srcdir)/util/fptr_wlist.h \
- $(srcdir)/util/tube.h $(srcdir)/util/regional.h $(srcdir)/util/random.h $(srcdir)/util/config_file.h \
- $(srcdir)/util/storage/lookup3.h $(srcdir)/util/net_help.h $(srcdir)/util/data/dname.h \
- $(srcdir)/util/data/msgencode.h $(srcdir)/iterator/iter_fwd.h $(srcdir)/iterator/iter_hints.h \
- $(srcdir)/util/storage/dnstree.h $(srcdir)/sldns/str2wire.h
+libworker.lo libworker.o: $(srcdir)/libunbound/libworker.c config.h $(srcdir)/libunbound/libworker.h \
+ $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h \
+ $(srcdir)/libunbound/context.h $(srcdir)/util/alloc.h $(srcdir)/util/rbtree.h $(srcdir)/services/modstack.h \
+ $(srcdir)/libunbound/unbound.h $(srcdir)/libunbound/worker.h $(srcdir)/sldns/sbuffer.h \
+ $(srcdir)/libunbound/unbound-event.h $(srcdir)/services/outside_network.h $(srcdir)/util/netevent.h \
+  $(srcdir)/services/mesh.h $(srcdir)/util/data/msgparse.h \
+ $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/module.h $(srcdir)/util/data/msgreply.h \
+ $(srcdir)/services/localzone.h $(srcdir)/services/cache/rrset.h $(srcdir)/util/storage/slabhash.h \
+ $(srcdir)/services/outbound_list.h $(srcdir)/util/fptr_wlist.h $(srcdir)/util/tube.h $(srcdir)/util/regional.h \
+ $(srcdir)/util/random.h $(srcdir)/util/config_file.h $(srcdir)/util/storage/lookup3.h $(srcdir)/util/net_help.h \
+ $(srcdir)/util/data/dname.h $(srcdir)/util/data/msgencode.h $(srcdir)/iterator/iter_fwd.h \
+ $(srcdir)/iterator/iter_hints.h $(srcdir)/util/storage/dnstree.h $(srcdir)/sldns/str2wire.h
 unbound-host.lo unbound-host.o: $(srcdir)/smallapp/unbound-host.c config.h $(srcdir)/libunbound/unbound.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/wire2str.h
 asynclook.lo asynclook.o: $(srcdir)/testcode/asynclook.c config.h $(srcdir)/libunbound/unbound.h \
@@ -1167,21 +1145,18 @@ streamtcp.lo streamtcp.o: $(srcdir)/testcode/streamtcp.c config.h $(srcdir)/util
  $(srcdir)/util/net_help.h $(srcdir)/util/data/msgencode.h $(srcdir)/util/data/msgparse.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/rrdef.h $(srcdir)/util/data/msgreply.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/dname.h $(srcdir)/sldns/sbuffer.h \
- $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/wire2str.h \
- 
+ $(srcdir)/sldns/str2wire.h $(srcdir)/sldns/wire2str.h
 perf.lo perf.o: $(srcdir)/testcode/perf.c config.h $(srcdir)/util/log.h $(srcdir)/util/locks.h $(srcdir)/util/net_help.h \
  $(srcdir)/util/data/msgencode.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/sbuffer.h $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h
 delayer.lo delayer.o: $(srcdir)/testcode/delayer.c config.h $(srcdir)/util/net_help.h $(srcdir)/util/log.h \
  $(srcdir)/util/config_file.h $(srcdir)/sldns/sbuffer.h
-unbound-control.lo unbound-control.o: $(srcdir)/smallapp/unbound-control.c config.h \
- $(srcdir)/util/log.h $(srcdir)/util/config_file.h $(srcdir)/util/locks.h $(srcdir)/util/net_help.h
+unbound-control.lo unbound-control.o: $(srcdir)/smallapp/unbound-control.c config.h $(srcdir)/util/log.h \
+ $(srcdir)/util/config_file.h $(srcdir)/util/locks.h $(srcdir)/util/net_help.h
 unbound-anchor.lo unbound-anchor.o: $(srcdir)/smallapp/unbound-anchor.c config.h $(srcdir)/libunbound/unbound.h \
- $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/parseutil.h \
- 
-petal.lo petal.o: $(srcdir)/testcode/petal.c config.h \
- 
+ $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/parseutil.h
+petal.lo petal.o: $(srcdir)/testcode/petal.c config.h
 pythonmod_utils.lo pythonmod_utils.o: $(srcdir)/pythonmod/pythonmod_utils.c config.h $(srcdir)/util/module.h \
  $(srcdir)/util/storage/lruhash.h $(srcdir)/util/locks.h $(srcdir)/util/log.h $(srcdir)/util/data/msgreply.h \
  $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
@@ -1194,8 +1169,7 @@ win_svc.lo win_svc.o: $(srcdir)/winrc/win_svc.c config.h $(srcdir)/winrc/win_svc
  $(srcdir)/sldns/sbuffer.h $(srcdir)/util/data/packed_rrset.h $(srcdir)/util/storage/lruhash.h \
  $(srcdir)/util/netevent.h $(srcdir)/util/data/msgreply.h $(srcdir)/util/data/msgparse.h $(srcdir)/sldns/pkthdr.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/daemon/stats.h $(srcdir)/util/timehist.h $(srcdir)/util/module.h \
- $(srcdir)/dnstap/dnstap.h $(srcdir)/daemon/remote.h \
- $(srcdir)/util/config_file.h $(srcdir)/util/winsock_event.h
+ $(srcdir)/dnstap/dnstap.h $(srcdir)/daemon/remote.h $(srcdir)/util/config_file.h $(srcdir)/util/winsock_event.h
 w_inst.lo w_inst.o: $(srcdir)/winrc/w_inst.c config.h $(srcdir)/winrc/w_inst.h $(srcdir)/winrc/win_svc.h
 unbound-service-install.lo unbound-service-install.o: $(srcdir)/winrc/unbound-service-install.c config.h \
  $(srcdir)/winrc/w_inst.h
@@ -1203,14 +1177,11 @@ unbound-service-remove.lo unbound-service-remove.o: $(srcdir)/winrc/unbound-serv
  $(srcdir)/winrc/w_inst.h
 anchor-update.lo anchor-update.o: $(srcdir)/winrc/anchor-update.c config.h $(srcdir)/libunbound/unbound.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/wire2str.h
-keyraw.lo keyraw.o: $(srcdir)/sldns/keyraw.c config.h $(srcdir)/sldns/keyraw.h \
- $(srcdir)/sldns/rrdef.h \
- 
+keyraw.lo keyraw.o: $(srcdir)/sldns/keyraw.c config.h $(srcdir)/sldns/keyraw.h $(srcdir)/sldns/rrdef.h
 sbuffer.lo sbuffer.o: $(srcdir)/sldns/sbuffer.c config.h $(srcdir)/sldns/sbuffer.h
 wire2str.lo wire2str.o: $(srcdir)/sldns/wire2str.c config.h $(srcdir)/sldns/wire2str.h $(srcdir)/sldns/str2wire.h \
  $(srcdir)/sldns/rrdef.h $(srcdir)/sldns/pkthdr.h $(srcdir)/sldns/parseutil.h $(srcdir)/sldns/sbuffer.h \
- $(srcdir)/sldns/keyraw.h \
- 
+ $(srcdir)/sldns/keyraw.h
 parse.lo parse.o: $(srcdir)/sldns/parse.c config.h $(srcdir)/sldns/parse.h $(srcdir)/sldns/parseutil.h \
  $(srcdir)/sldns/sbuffer.h
 parseutil.lo parseutil.o: $(srcdir)/sldns/parseutil.c config.h $(srcdir)/sldns/parseutil.h
@@ -1230,8 +1201,7 @@ snprintf.lo snprintf.o: $(srcdir)/compat/snprintf.c config.h
 strlcat.lo strlcat.o: $(srcdir)/compat/strlcat.c config.h
 strlcpy.lo strlcpy.o: $(srcdir)/compat/strlcpy.c config.h
 strptime.lo strptime.o: $(srcdir)/compat/strptime.c config.h
-getentropy_linux.lo getentropy_linux.o: $(srcdir)/compat/getentropy_linux.c config.h \
- 
+getentropy_linux.lo getentropy_linux.o: $(srcdir)/compat/getentropy_linux.c config.h
 getentropy_osx.lo getentropy_osx.o: $(srcdir)/compat/getentropy_osx.c config.h
 getentropy_solaris.lo getentropy_solaris.o: $(srcdir)/compat/getentropy_solaris.c config.h
 getentropy_win.lo getentropy_win.o: $(srcdir)/compat/getentropy_win.c
@@ -1241,3 +1211,4 @@ arc4random_uniform.lo arc4random_uniform.o: $(srcdir)/compat/arc4random_uniform.
 arc4_lock.lo arc4_lock.o: $(srcdir)/compat/arc4_lock.c config.h $(srcdir)/util/locks.h
 sha512.lo sha512.o: $(srcdir)/compat/sha512.c config.h
 reallocarray.lo reallocarray.o: $(srcdir)/compat/reallocarray.c config.h
+isblank.lo isblank.o: $(srcdir)/compat/isblank.c config.h
diff --git a/usr.sbin/unbound/README b/usr.sbin/unbound/README
index 594ffeef676..85f9182288d 100644
--- a/usr.sbin/unbound/README
+++ b/usr.sbin/unbound/README
@@ -1,4 +1,4 @@
-README for Unbound 1.5.6
+Unbound README
 * ./configure && make && make install
 * You can use libevent if you want. libevent is useful when using 
   many (10000) outgoing ports. By default max 256 ports are opened at
diff --git a/usr.sbin/unbound/acx_nlnetlabs.m4 b/usr.sbin/unbound/acx_nlnetlabs.m4
index c9ca7558da5..26513e4ff67 100644
--- a/usr.sbin/unbound/acx_nlnetlabs.m4
+++ b/usr.sbin/unbound/acx_nlnetlabs.m4
@@ -2,7 +2,9 @@
 # Copyright 2009, Wouter Wijngaards, NLnet Labs.   
 # BSD licensed.
 #
-# Version 28
+# Version 30
+# 2015-11-18 spelling check fix.
+# 2015-11-05 ACX_SSL_CHECKS no longer adds -ldl needlessly.
 # 2015-08-28 ACX_CHECK_PIE and ACX_CHECK_RELRO_NOW added.
 # 2015-03-17 AHX_CONFIG_REALLOCARRAY added
 # 2013-09-19 FLTO help text improved.
@@ -24,7 +26,7 @@
 # 2010-07-02 Add check for ss_family (for minix).
 # 2010-04-26 Fix to use CPPFLAGS for CHECK_COMPILER_FLAGS.
 # 2010-03-01 Fix RPATH using CONFIG_COMMANDS to run at the very end.
-# 2010-02-18 WITH_SSL outputs the LIBSSL_LDFLAGS, LIBS, CPPFLAGS seperate, -ldl
+# 2010-02-18 WITH_SSL outputs the LIBSSL_LDFLAGS, LIBS, CPPFLAGS separate, -ldl
 # 2010-02-01 added ACX_CHECK_MEMCMP_SIGNED, AHX_MEMCMP_BROKEN
 # 2010-01-20 added AHX_COONFIG_STRLCAT
 # 2009-07-14 U_CHAR detection improved for windows crosscompile.
@@ -715,12 +717,6 @@ AC_DEFUN([ACX_SSL_CHECKS], [
         fi
         AC_SUBST(HAVE_SSL)
         AC_SUBST(RUNTIME_PATH)
-	# openssl engine functionality needs dlopen().
-	BAKLIBS="$LIBS"
-	AC_SEARCH_LIBS([dlopen], [dl])
-	if test "$LIBS" != "$BAKLIBS"; then
-		LIBSSL_LIBS="$LIBSSL_LIBS -ldl"
-	fi
     fi
 AC_CHECK_HEADERS([openssl/ssl.h],,, [AC_INCLUDES_DEFAULT])
 AC_CHECK_HEADERS([openssl/err.h],,, [AC_INCLUDES_DEFAULT])
diff --git a/usr.sbin/unbound/config.h.in b/usr.sbin/unbound/config.h.in
index 7576e15090c..e90f036cfaa 100644
--- a/usr.sbin/unbound/config.h.in
+++ b/usr.sbin/unbound/config.h.in
@@ -94,6 +94,10 @@
    don't. */
 #undef HAVE_DECL_STRLCPY
 
+/* Define to 1 if you have the declaration of `XML_StopParser', and to 0 if
+   you don't. */
+#undef HAVE_DECL_XML_STOPPARSER
+
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #undef HAVE_DLFCN_H
 
@@ -151,6 +155,9 @@
 /* Define to 1 if fseeko (and presumably ftello) exists and is declared. */
 #undef HAVE_FSEEKO
 
+/* Define to 1 if you have the `fsync' function. */
+#undef HAVE_FSYNC
+
 /* Whether getaddrinfo is available */
 #undef HAVE_GETADDRINFO
 
@@ -205,6 +212,9 @@
 /* Define to 1 if you have the <iphlpapi.h> header file. */
 #undef HAVE_IPHLPAPI_H
 
+/* Define to 1 if you have the `isblank' function. */
+#undef HAVE_ISBLANK
+
 /* Define to 1 if you have the `kill' function. */
 #undef HAVE_KILL
 
@@ -232,6 +242,9 @@
 /* Define to 1 if you have the <netinet/in.h> header file. */
 #undef HAVE_NETINET_IN_H
 
+/* Use libnettle for crypto */
+#undef HAVE_NETTLE
+
 /* Use libnss for crypto */
 #undef HAVE_NSS
 
@@ -535,6 +548,9 @@
 /* The size of `time_t', as computed by sizeof. */
 #undef SIZEOF_TIME_T
 
+/* define if (v)snprintf does not return length needed, (but length used) */
+#undef SNPRINTF_RET_BROKEN
+
 /* Define to 1 if you have the ANSI C header files. */
 #undef STDC_HEADERS
 
@@ -848,15 +864,13 @@
 #define MAXHOSTNAMELEN 256
 #endif
 
-
-#ifndef HAVE_SNPRINTF
+#if !defined(HAVE_SNPRINTF) || defined(SNPRINTF_RET_BROKEN)
 #define snprintf snprintf_unbound
 #define vsnprintf vsnprintf_unbound
 #include <stdarg.h>
 int snprintf (char *str, size_t count, const char *fmt, ...);
 int vsnprintf (char *str, size_t count, const char *fmt, va_list arg);
-#endif /* HAVE_SNPRINTF */
-
+#endif /* HAVE_SNPRINTF or SNPRINTF_RET_BROKEN */
 
 #ifndef HAVE_INET_PTON
 #define inet_pton inet_pton_unbound
@@ -952,6 +966,11 @@ int memcmp(const void *x, const void *y, size_t n);
 char *ctime_r(const time_t *timep, char *buf);
 #endif
 
+#ifndef HAVE_ISBLANK
+#define isblank unbound_isblank
+int isblank(int c);
+#endif
+
 #if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
 #define strptime unbound_strptime
 struct tm;
diff --git a/usr.sbin/unbound/configure b/usr.sbin/unbound/configure
index 6f9d442111d..acfb10739e4 100644
--- a/usr.sbin/unbound/configure
+++ b/usr.sbin/unbound/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for unbound 1.5.6.
+# Generated by GNU Autoconf 2.69 for unbound 1.5.7.
 #
 # Report bugs to <unbound-bugs@nlnetlabs.nl>.
 #
@@ -590,8 +590,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='unbound'
 PACKAGE_TARNAME='unbound'
-PACKAGE_VERSION='1.5.6'
-PACKAGE_STRING='unbound 1.5.6'
+PACKAGE_VERSION='1.5.7'
+PACKAGE_STRING='unbound 1.5.7'
 PACKAGE_BUGREPORT='unbound-bugs@nlnetlabs.nl'
 PACKAGE_URL=''
 
@@ -661,6 +661,7 @@ CHECKLOCK_OBJ
 staticexe
 UNBOUND_EVENT_UNINSTALL
 UNBOUND_EVENT_INSTALL
+SSLLIB
 HAVE_SSL
 CONFIG_DATE
 NETBSD_LINTFLAGS
@@ -823,6 +824,7 @@ with_solaris_threads
 with_pyunbound
 with_pythonmodule
 with_nss
+with_nettle
 with_ssl
 enable_sha2
 enable_gost
@@ -1391,7 +1393,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures unbound 1.5.6 to adapt to many kinds of systems.
+\`configure' configures unbound 1.5.7 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1456,7 +1458,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of unbound 1.5.6:";;
+     short | recursive ) echo "Configuration of unbound 1.5.7:";;
    esac
   cat <<\_ACEOF
 
@@ -1534,6 +1536,7 @@ Optional Packages:
   --with-pythonmodule     build Python module, or --without-pythonmodule to
                           disable script engine. (default=no)
   --with-nss=path         use libnss instead of openssl, installed at path.
+  --with-nettle=path      use libnettle as crypto library, installed at path.
   --with-ssl=pathname     enable SSL (will check /usr/local/ssl /usr/lib/ssl
                           /usr/ssl /usr/pkg /usr/local /opt/local /usr/sfw
                           /usr)
@@ -1635,7 +1638,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-unbound configure 1.5.6
+unbound configure 1.5.7
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2344,7 +2347,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by unbound $as_me 1.5.6, which was
+It was created by unbound $as_me 1.5.7, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2696,11 +2699,11 @@ UNBOUND_VERSION_MAJOR=1
 
 UNBOUND_VERSION_MINOR=5
 
-UNBOUND_VERSION_MICRO=6
+UNBOUND_VERSION_MICRO=7
 
 
 LIBUNBOUND_CURRENT=5
-LIBUNBOUND_REVISION=9
+LIBUNBOUND_REVISION=10
 LIBUNBOUND_AGE=3
 # 1.0.0 had 0:12:0
 # 1.0.1 had 0:13:0
@@ -2746,6 +2749,7 @@ LIBUNBOUND_AGE=3
 # 1.5.4 had 5:7:3
 # 1.5.5 had 5:8:3
 # 1.5.6 had 5:9:3
+# 1.5.7 had 5:10:3
 
 #   Current  -- the number of the binary API that we're implementing
 #   Revision -- which iteration of the implementation of the binary
@@ -16407,13 +16411,44 @@ $as_echo "#define HAVE_NSS 1" >>confdefs.h
 		CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
 	fi
         LIBS="$LIBS -lnss3 -lnspr4"
+	SSLLIB=""
+
+
+fi
+
+
+# libnettle
+USE_NETTLE="no"
+
+# Check whether --with-nettle was given.
+if test "${with_nettle+set}" = set; then :
+  withval=$with_nettle;
+	USE_NETTLE="yes"
+
+$as_echo "#define HAVE_NETTLE 1" >>confdefs.h
+
+	if test "$withval" != "" -a "$withval" != "yes"; then
+		CPPFLAGS="$CPPFLAGS -I$withval/include/nettle"
+		LDFLAGS="$LDFLAGS -L$withval/lib"
+
+	if test "x$enable_rpath" = xyes; then
+		if echo "$withval/lib" | grep "^/" >/dev/null; then
+			RUNTIME_PATH="$RUNTIME_PATH -R$withval/lib"
+		fi
+	fi
+
+	else
+		CPPFLAGS="$CPPFLAGS -I/usr/include/nettle"
+	fi
+        LIBS="$LIBS -lhogweed -lnettle -lgmp"
+	SSLLIB=""
 
 
 fi
 
 
 # openssl
-if test $USE_NSS = "no"; then
+if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 
 
 # Check whether --with-ssl was given.
@@ -16582,67 +16617,6 @@ rm -f core conftest.err conftest.$ac_objext \
         fi
 
 
-	# openssl engine functionality needs dlopen().
-	BAKLIBS="$LIBS"
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
-$as_echo_n "checking for library containing dlopen... " >&6; }
-if ${ac_cv_search_dlopen+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
-  ;
-  return 0;
-}
-_ACEOF
-for ac_lib in '' dl; do
-  if test -z "$ac_lib"; then
-    ac_res="none required"
-  else
-    ac_res=-l$ac_lib
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-  fi
-  if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_search_dlopen=$ac_res
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext
-  if ${ac_cv_search_dlopen+:} false; then :
-  break
-fi
-done
-if ${ac_cv_search_dlopen+:} false; then :
-
-else
-  ac_cv_search_dlopen=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
-$as_echo "$ac_cv_search_dlopen" >&6; }
-ac_res=$ac_cv_search_dlopen
-if test "$ac_res" != no; then :
-  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-fi
-
-	if test "$LIBS" != "$BAKLIBS"; then
-		LIBSSL_LIBS="$LIBSSL_LIBS -ldl"
-	fi
     fi
 for ac_header in openssl/ssl.h
 do :
@@ -16780,6 +16754,7 @@ fi
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
+SSLLIB="-lssl"
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LibreSSL" >&5
 $as_echo_n "checking for LibreSSL... " >&6; }
 if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
@@ -16977,6 +16952,7 @@ _ACEOF
 fi
 
 
+
 # Check whether --enable-sha2 was given.
 if test "${enable_sha2+set}" = set; then :
   enableval=$enable_sha2;
@@ -17000,7 +16976,7 @@ if test "${enable_gost+set}" = set; then :
 fi
 
 use_gost="no"
-if test $USE_NSS = "no"; then
+if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 case "$enable_gost" in
 	no)
 	;;
@@ -17153,7 +17129,7 @@ case "$enable_ecdsa" in
     no)
       ;;
     *)
-      if test $USE_NSS = "no"; then
+      if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 	      ac_fn_c_check_func "$LINENO" "ECDSA_sign" "ac_cv_func_ECDSA_sign"
 if test "x$ac_cv_func_ECDSA_sign" = xyes; then :
 
@@ -17644,6 +17620,20 @@ fi
 
 done
 
+ac_fn_c_check_decl "$LINENO" "XML_StopParser" "ac_cv_have_decl_XML_StopParser" "$ac_includes_default
+#include <expat.h>
+
+"
+if test "x$ac_cv_have_decl_XML_StopParser" = xyes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_XML_STOPPARSER $ac_have_decl
+_ACEOF
+
 
 # set static linking if requested
 
@@ -18101,7 +18091,7 @@ if test "$ac_res" != no; then :
 
 fi
 
-for ac_func in tzset sigprocmask fcntl getpwnam getrlimit setrlimit setsid sbrk chroot kill chown sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent
+for ac_func in tzset sigprocmask fcntl getpwnam getrlimit setrlimit setsid sbrk chroot kill chown sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent fsync
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -18222,6 +18212,48 @@ esac
 fi
 
 
+# test if snprintf return the proper length
+if test "x$ac_cv_func_snprintf" = xyes; then
+    if test c${cross_compiling} = cno; then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for correct snprintf return value" >&5
+$as_echo_n "checking for correct snprintf return value... " >&6; }
+	if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+
+int main(void) { return !(snprintf(NULL, 0, "test") == 4); }
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+$as_echo "#define SNPRINTF_RET_BROKEN /**/" >>confdefs.h
+
+		case " $LIBOBJS " in
+  *" snprintf.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS snprintf.$ac_objext"
+ ;;
+esac
+
+
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+    fi
+fi
 ac_fn_c_check_func "$LINENO" "strlcat" "ac_cv_func_strlcat"
 if test "x$ac_cv_func_strlcat" = xyes; then :
   $as_echo "#define HAVE_STRLCAT 1" >>confdefs.h
@@ -18278,6 +18310,20 @@ esac
 fi
 
 
+ac_fn_c_check_func "$LINENO" "isblank" "ac_cv_func_isblank"
+if test "x$ac_cv_func_isblank" = xyes; then :
+  $as_echo "#define HAVE_ISBLANK 1" >>confdefs.h
+
+else
+  case " $LIBOBJS " in
+  *" isblank.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS isblank.$ac_objext"
+ ;;
+esac
+
+fi
+
+
 LIBOBJ_WITHOUT_CTIMEARC4="$LIBOBJS"
 
 ac_fn_c_check_func "$LINENO" "reallocarray" "ac_cv_func_reallocarray"
@@ -19018,7 +19064,7 @@ _ACEOF
 
 
 
-version=1.5.6
+version=1.5.7
 
 date=`date +'%b %e, %Y'`
 
@@ -19533,7 +19579,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by unbound $as_me 1.5.6, which was
+This file was extended by unbound $as_me 1.5.7, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -19599,7 +19645,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-unbound config.status 1.5.6
+unbound config.status 1.5.7
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/usr.sbin/unbound/configure.ac b/usr.sbin/unbound/configure.ac
index c555a2a623c..13d83045692 100644
--- a/usr.sbin/unbound/configure.ac
+++ b/usr.sbin/unbound/configure.ac
@@ -10,14 +10,14 @@ sinclude(dnstap/dnstap.m4)
 # must be numbers. ac_defun because of later processing
 m4_define([VERSION_MAJOR],[1])
 m4_define([VERSION_MINOR],[5])
-m4_define([VERSION_MICRO],[6])
+m4_define([VERSION_MICRO],[7])
 AC_INIT(unbound, m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]), unbound-bugs@nlnetlabs.nl, unbound)
 AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
 AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
 AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
 
 LIBUNBOUND_CURRENT=5
-LIBUNBOUND_REVISION=9
+LIBUNBOUND_REVISION=10
 LIBUNBOUND_AGE=3
 # 1.0.0 had 0:12:0
 # 1.0.1 had 0:13:0
@@ -63,6 +63,7 @@ LIBUNBOUND_AGE=3
 # 1.5.4 had 5:7:3
 # 1.5.5 had 5:8:3
 # 1.5.6 had 5:9:3
+# 1.5.7 had 5:10:3
 
 #   Current  -- the number of the binary API that we're implementing
 #   Revision -- which iteration of the implementation of the binary
@@ -562,13 +563,34 @@ AC_ARG_WITH([nss], AC_HELP_STRING([--with-nss=path],
 		CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
 	fi
         LIBS="$LIBS -lnss3 -lnspr4"
+	SSLLIB=""
+	]
+)
+
+# libnettle
+USE_NETTLE="no"
+AC_ARG_WITH([nettle], AC_HELP_STRING([--with-nettle=path],
+	[use libnettle as crypto library, installed at path.]),
+	[
+	USE_NETTLE="yes"
+	AC_DEFINE(HAVE_NETTLE, 1, [Use libnettle for crypto])
+	if test "$withval" != "" -a "$withval" != "yes"; then
+		CPPFLAGS="$CPPFLAGS -I$withval/include/nettle"
+		LDFLAGS="$LDFLAGS -L$withval/lib"
+		ACX_RUNTIME_PATH_ADD([$withval/lib])
+	else
+		CPPFLAGS="$CPPFLAGS -I/usr/include/nettle"
+	fi
+        LIBS="$LIBS -lhogweed -lnettle -lgmp"
+	SSLLIB=""
 	]
 )
 
 # openssl
-if test $USE_NSS = "no"; then
+if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 ACX_WITH_SSL
 ACX_LIB_SSL
+SSLLIB="-lssl"
 AC_MSG_CHECKING([for LibreSSL])
 if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
 	AC_MSG_RESULT([yes])
@@ -603,6 +625,7 @@ AC_INCLUDES_DEFAULT
 #include <openssl/evp.h>
 ])
 fi
+AC_SUBST(SSLLIB)
 
 
 AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
@@ -714,7 +737,7 @@ AC_MSG_RESULT($ac_cv_c_gost_works)
 
 AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
 use_gost="no"
-if test $USE_NSS = "no"; then
+if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 case "$enable_gost" in
 	no)
 	;;
@@ -728,7 +751,7 @@ case "$enable_gost" in
 	fi
 	;;
 esac
-fi dnl !USE_NSS
+fi dnl !USE_NSS && !USE_NETTLE
 
 AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
 use_ecdsa="no"
@@ -736,7 +759,7 @@ case "$enable_ecdsa" in
     no)
       ;;
     *)
-      if test $USE_NSS = "no"; then
+      if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 	      AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
 	      AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
 	      AC_CHECK_DECLS([NID_X9_62_prime256v1, NID_secp384r1], [], [AC_MSG_ERROR([OpenSSL does not support the ECDSA curves: please upgrade or rerun with --disable-ecdsa])], [AC_INCLUDES_DEFAULT
@@ -882,6 +905,9 @@ if test x_$found_libexpat != x_yes; then
 	AC_ERROR([Could not find libexpat, expat.h])
 fi
 AC_CHECK_HEADERS([expat.h],,, [AC_INCLUDES_DEFAULT])
+AC_CHECK_DECLS([XML_StopParser], [], [], [AC_INCLUDES_DEFAULT
+#include <expat.h>
+])
 
 # set static linking if requested
 AC_SUBST(staticexe)
@@ -986,7 +1012,7 @@ AC_INCLUDES_DEFAULT
 #endif
 ])
 AC_SEARCH_LIBS([setusercontext], [util])
-AC_CHECK_FUNCS([tzset sigprocmask fcntl getpwnam getrlimit setrlimit setsid sbrk chroot kill chown sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent])
+AC_CHECK_FUNCS([tzset sigprocmask fcntl getpwnam getrlimit setrlimit setsid sbrk chroot kill chown sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent fsync])
 AC_CHECK_FUNCS([setresuid],,[AC_CHECK_FUNCS([setreuid])])
 AC_CHECK_FUNCS([setresgid],,[AC_CHECK_FUNCS([setregid])])
 
@@ -998,10 +1024,25 @@ AC_REPLACE_FUNCS(inet_aton)
 AC_REPLACE_FUNCS(inet_pton)
 AC_REPLACE_FUNCS(inet_ntop)
 AC_REPLACE_FUNCS(snprintf)
+# test if snprintf return the proper length
+if test "x$ac_cv_func_snprintf" = xyes; then
+    if test c${cross_compiling} = cno; then
+	AC_MSG_CHECKING([for correct snprintf return value])
+	AC_RUN_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
+[[
+int main(void) { return !(snprintf(NULL, 0, "test") == 4); }
+]])], [AC_MSG_RESULT(yes)], [
+		AC_MSG_RESULT(no)
+		AC_DEFINE([SNPRINTF_RET_BROKEN], [], [define if (v)snprintf does not return length needed, (but length used)])
+		AC_LIBOBJ(snprintf)
+	  ])
+    fi
+fi
 AC_REPLACE_FUNCS(strlcat)
 AC_REPLACE_FUNCS(strlcpy)
 AC_REPLACE_FUNCS(memmove)
 AC_REPLACE_FUNCS(gmtime_r)
+AC_REPLACE_FUNCS(isblank)
 dnl without CTIME, ARC4-functions and without reallocarray.
 LIBOBJ_WITHOUT_CTIMEARC4="$LIBOBJS"
 AC_SUBST(LIBOBJ_WITHOUT_CTIMEARC4)
@@ -1236,7 +1277,13 @@ AHX_CONFIG_FORMAT_ATTRIBUTE
 AHX_CONFIG_UNUSED_ATTRIBUTE
 AHX_CONFIG_FSEEKO
 AHX_CONFIG_MAXHOSTNAMELEN
-AHX_CONFIG_SNPRINTF(unbound)
+#if !defined(HAVE_SNPRINTF) || defined(SNPRINTF_RET_BROKEN)
+#define snprintf snprintf_unbound
+#define vsnprintf vsnprintf_unbound
+#include <stdarg.h>
+int snprintf (char *str, size_t count, const char *fmt, ...);
+int vsnprintf (char *str, size_t count, const char *fmt, va_list arg);
+#endif /* HAVE_SNPRINTF or SNPRINTF_RET_BROKEN */
 AHX_CONFIG_INET_PTON(unbound)
 AHX_CONFIG_INET_NTOP(unbound)
 AHX_CONFIG_INET_ATON(unbound)
@@ -1259,6 +1306,11 @@ AHX_MEMCMP_BROKEN(unbound)
 char *ctime_r(const time_t *timep, char *buf);
 #endif
 
+#ifndef HAVE_ISBLANK
+#define isblank unbound_isblank
+int isblank(int c);
+#endif
+
 #if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
 #define strptime unbound_strptime
 struct tm;
diff --git a/usr.sbin/unbound/daemon/unbound.c b/usr.sbin/unbound/daemon/unbound.c
index 8e07c389565..0ceee538c75 100644
--- a/usr.sbin/unbound/daemon/unbound.c
+++ b/usr.sbin/unbound/daemon/unbound.c
@@ -180,6 +180,8 @@ static void usage()
 		SSLeay_version(SSLEAY_VERSION)
 #elif defined(HAVE_NSS)
 		NSS_GetVersion()
+#elif defined(HAVE_NETTLE)
+		"nettle"
 #endif
 		);
 	printf("linked modules:");
@@ -450,6 +452,9 @@ perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,
 		/* endpwent below, in case we need pwd for setusercontext */
 	}
 #endif
+#ifdef UB_ON_WINDOWS
+	w_config_adjust_directory(cfg);
+#endif
 
 	/* init syslog (as root) if needed, before daemonize, otherwise
 	 * a fork error could not be printed since daemonize closed stderr.*/
diff --git a/usr.sbin/unbound/daemon/worker.c b/usr.sbin/unbound/daemon/worker.c
index 79aec4d3a4b..c90a65998be 100644
--- a/usr.sbin/unbound/daemon/worker.c
+++ b/usr.sbin/unbound/daemon/worker.c
@@ -866,11 +866,16 @@ worker_handle_request(struct comm_point* c, void* arg, int error,
 		goto send_reply;
 	}
 	if((ret=parse_edns_from_pkt(c->buffer, &edns)) != 0) {
+		struct edns_data reply_edns;
 		verbose(VERB_ALGO, "worker parse edns: formerror.");
 		log_addr(VERB_CLIENT,"from",&repinfo->addr, repinfo->addrlen);
-		sldns_buffer_rewind(c->buffer);
-		LDNS_QR_SET(sldns_buffer_begin(c->buffer));
+		memset(&reply_edns, 0, sizeof(reply_edns));
+		reply_edns.edns_present = 1;
+		reply_edns.udp_size = EDNS_ADVERTISED_SIZE;
 		LDNS_RCODE_SET(sldns_buffer_begin(c->buffer), ret);
+		error_encode(c->buffer, ret, &qinfo,
+			*(uint16_t*)(void *)sldns_buffer_begin(c->buffer),
+			sldns_buffer_read_u16_at(c->buffer, 2), &reply_edns);
 		server_stats_insrcode(&worker->stats, c->buffer);
 		goto send_reply;
 	}
diff --git a/usr.sbin/unbound/doc/Changelog b/usr.sbin/unbound/doc/Changelog
index 9461a03db03..6824b1d3361 100644
--- a/usr.sbin/unbound/doc/Changelog
+++ b/usr.sbin/unbound/doc/Changelog
@@ -1,3 +1,99 @@
+8 December 2015: Wouter
+	- Fixup 724 for unbound-control.
+
+7 December 2015: Ralph
+	- Do not minimise forwarded requests.
+
+4 December 2015: Wouter
+	- Removed unneeded whitespace from example.conf.
+
+3 December 2015: Ralph
+	- (after rc1 tag)
+	- Committed fix to qname minimisation and unit test case for it.
+	
+3 December 2015: Wouter
+	- iana portlist update.
+	- 1.5.7rc1 prerelease tag.
+
+2 December 2015: Wouter
+	- Fixup 724: Fix PCA prompt for unbound-service-install.exe.
+	  re-enable stdout printout.
+	- For 724: Add Changelog to windows binary dist.
+
+1 December 2015: Ralph
+	- Qname minimisation review fixes
+
+1 December 2015: Wouter
+	- Fixup 724 fix for fname_after_chroot() calls.
+	- Remove stdout printout for unbound-service-install.exe
+	- .gitignore for git users.
+
+30 November 2015: Ralph
+	- Implemented qname minimisation
+
+30 November 2015: Wouter
+	- Fix for #724: conf syntax to read files from run dir (on Windows).
+
+25 November 2015: Wouter
+	- Fix for #720, fix unbound-control-setup windows batch file.
+
+24 November 2015: Wouter
+	- Fix #720: add windows scripts to zip bundle.
+	- iana portlist update.
+
+20 November 2015: Wouter
+	- Added assert on rrset cache correctness.
+	- Fix that malformed EDNS query gets a response without malformed EDNS.
+
+18 November 2015: Wouter
+	- newer acx_nlnetlabs.m4.
+	- spelling fixes from Igor Sobrado Delgado.
+
+17 November 2015: Wouter
+	- Fix #594. libunbound: optionally use libnettle for crypto.
+	  Contributed by Luca Bruno.  Added --with-nettle for use with
+	  --with-libunbound-only.
+	- refactor nsec3 hash implementation to be more library-portable.
+	- iana portlist update.
+	- Fixup DER encoded DSA signatures for libnettle.
+
+16 November 2015: Wouter
+	- Fix for lenient accept of reverse order DNAME and CNAME.
+
+6 November 2015: Wouter
+	- Change example.conf: ftp.internic.net to https://www.internic.net
+
+5 November 2015: Wouter
+	- ACX_SSL_CHECKS no longer adds -ldl needlessly.
+
+3 November 2015: Wouter
+	- Fix #718: Fix unbound-control-setup with support for env
+	  without HEREDOC bash support.
+
+29 October 2015: Wouter
+	- patch from Doug Hogan for SSL_OP_NO_SSLvx options.
+	- Fix #716: nodata proof with empty non-terminals and wildcards.
+
+28 October 2015: Wouter
+	- Fix checklock testcode for linux threads on exit.
+
+27 October 2015: Wouter
+	- isblank() compat implementation.
+	- detect libexpat without xml_StopParser function.
+	- portability fixes.
+	- portability, replace snprintf if return value broken.
+
+23 October 2015: Wouter
+	- Fix #714: Document config to block private-address for IPv4
+	  mapped IPv6 addresses.
+
+22 October 2015: Wouter
+	- Fix #712: unbound-anchor appears to not fsync root.key.
+
+20 October 2015: Wouter
+	- 1.5.6 release.
+	- trunk tracks development of 1.5.7.
+
 15 October 2015: Wouter
 	- Fix segfault in the dns64 module in the formaterror error path.
 	- Fix sldns_wire2str_rdata_scan for malformed RRs.
diff --git a/usr.sbin/unbound/doc/README b/usr.sbin/unbound/doc/README
index e192333dc98..8235ea25f1d 100644
--- a/usr.sbin/unbound/doc/README
+++ b/usr.sbin/unbound/doc/README
@@ -1,4 +1,4 @@
-README for Unbound 1.5.4
+README for Unbound 1.5.7
 Copyright 2007 NLnet Labs
 http://unbound.net
 
diff --git a/usr.sbin/unbound/doc/example.conf.in b/usr.sbin/unbound/doc/example.conf.in
index a59808ff359..ff90e3b715d 100644
--- a/usr.sbin/unbound/doc/example.conf.in
+++ b/usr.sbin/unbound/doc/example.conf.in
@@ -1,7 +1,7 @@
 #
 # Example configuration file.
 #
-# See unbound.conf(5) man page, version 1.5.6.
+# See unbound.conf(5) man page, version 1.5.7.
 #
 # this is a comment.
 
@@ -296,6 +296,11 @@ server:
 	# to validate the zone.
 	# harden-algo-downgrade: no
 
+	# Sent minimum amount of information to upstream servers to enhance
+	# privacy. Only sent minimum required labels of the QNAME and set QTYPE
+	# to NS when possible.
+	# qname-minimisation: no
+
 	# Use 0x20-encoded random bits in the query to foil spoof attempts.
 	# This feature is an experimental implementation of draft dns-0x20.
 	# use-caps-for-id: no
diff --git a/usr.sbin/unbound/doc/libunbound.3.in b/usr.sbin/unbound/doc/libunbound.3.in
index 8d1c6ce7206..d299330e2cb 100644
--- a/usr.sbin/unbound/doc/libunbound.3.in
+++ b/usr.sbin/unbound/doc/libunbound.3.in
@@ -1,4 +1,4 @@
-.TH "libunbound" "3" "Oct 20, 2015" "NLnet Labs" "unbound 1.5.6"
+.TH "libunbound" "3" "Dec 10, 2015" "NLnet Labs" "unbound 1.5.7"
 .\"
 .\" libunbound.3 -- unbound library functions manual
 .\"
@@ -42,7 +42,7 @@
 .B ub_ctx_zone_remove,
 .B ub_ctx_data_add,
 .B ub_ctx_data_remove
-\- Unbound DNS validating resolver 1.5.6 functions.
+\- Unbound DNS validating resolver 1.5.7 functions.
 .SH "SYNOPSIS"
 .B #include <unbound.h>
 .LP
diff --git a/usr.sbin/unbound/doc/unbound-anchor.8.in b/usr.sbin/unbound/doc/unbound-anchor.8.in
index 56edd21afc3..e5e6364de0f 100644
--- a/usr.sbin/unbound/doc/unbound-anchor.8.in
+++ b/usr.sbin/unbound/doc/unbound-anchor.8.in
@@ -1,4 +1,4 @@
-.TH "unbound-anchor" "8" "Oct 20, 2015" "NLnet Labs" "unbound 1.5.6"
+.TH "unbound-anchor" "8" "Dec 10, 2015" "NLnet Labs" "unbound 1.5.7"
 .\"
 .\" unbound-anchor.8 -- unbound anchor maintenance utility manual
 .\"
diff --git a/usr.sbin/unbound/doc/unbound-checkconf.8.in b/usr.sbin/unbound/doc/unbound-checkconf.8.in
index b68da38fdb7..2d3c4aee3b6 100644
--- a/usr.sbin/unbound/doc/unbound-checkconf.8.in
+++ b/usr.sbin/unbound/doc/unbound-checkconf.8.in
@@ -1,4 +1,4 @@
-.TH "unbound-checkconf" "8" "Oct 20, 2015" "NLnet Labs" "unbound 1.5.6"
+.TH "unbound-checkconf" "8" "Dec 10, 2015" "NLnet Labs" "unbound 1.5.7"
 .\"
 .\" unbound-checkconf.8 -- unbound configuration checker manual
 .\"
diff --git a/usr.sbin/unbound/doc/unbound-control.8.in b/usr.sbin/unbound/doc/unbound-control.8.in
index ee38618bc55..57742aee629 100644
--- a/usr.sbin/unbound/doc/unbound-control.8.in
+++ b/usr.sbin/unbound/doc/unbound-control.8.in
@@ -1,4 +1,4 @@
-.TH "unbound-control" "8" "Oct 20, 2015" "NLnet Labs" "unbound 1.5.6"
+.TH "unbound-control" "8" "Dec 10, 2015" "NLnet Labs" "unbound 1.5.7"
 .\"
 .\" unbound-control.8 -- unbound remote control manual
 .\"
diff --git a/usr.sbin/unbound/doc/unbound-host.1.in b/usr.sbin/unbound/doc/unbound-host.1.in
index 3acf31819cb..eeb25f046b5 100644
--- a/usr.sbin/unbound/doc/unbound-host.1.in
+++ b/usr.sbin/unbound/doc/unbound-host.1.in
@@ -1,4 +1,4 @@
-.TH "unbound\-host" "1" "Oct 20, 2015" "NLnet Labs" "unbound 1.5.6"
+.TH "unbound\-host" "1" "Dec 10, 2015" "NLnet Labs" "unbound 1.5.7"
 .\"
 .\" unbound-host.1 -- unbound DNS lookup utility
 .\"
diff --git a/usr.sbin/unbound/doc/unbound.8.in b/usr.sbin/unbound/doc/unbound.8.in
index db6f3110a40..ed139a7ad53 100644
--- a/usr.sbin/unbound/doc/unbound.8.in
+++ b/usr.sbin/unbound/doc/unbound.8.in
@@ -1,4 +1,4 @@
-.TH "unbound" "8" "Oct 20, 2015" "NLnet Labs" "unbound 1.5.6"
+.TH "unbound" "8" "Dec 10, 2015" "NLnet Labs" "unbound 1.5.7"
 .\"
 .\" unbound.8 -- unbound manual
 .\"
@@ -9,7 +9,7 @@
 .\"
 .SH "NAME"
 .B unbound
-\- Unbound DNS validating resolver 1.5.6.
+\- Unbound DNS validating resolver 1.5.7.
 .SH "SYNOPSIS"
 .B unbound
 .RB [ \-h ]
diff --git a/usr.sbin/unbound/doc/unbound.conf.5.in b/usr.sbin/unbound/doc/unbound.conf.5.in
index 2e07ddb835b..71ee242626e 100644
--- a/usr.sbin/unbound/doc/unbound.conf.5.in
+++ b/usr.sbin/unbound/doc/unbound.conf.5.in
@@ -1,4 +1,4 @@
-.TH "unbound.conf" "5" "Oct 20, 2015" "NLnet Labs" "unbound 1.5.6"
+.TH "unbound.conf" "5" "Dec 10, 2015" "NLnet Labs" "unbound 1.5.7"
 .\"
 .\" unbound.conf.5 -- unbound.conf manual
 .\"
@@ -540,23 +540,30 @@ queries.  For domains that do not support 0x20 and also fail with fallback
 because they keep sending different answers, like some load balancers.
 Can be given multiple times, for different domains.
 .TP
+.B qname\-minimisation: \fI<yes or no>
+Send minimum amount of information to upstream servers to enhance privacy.
+Only sent minimum required labels of the QNAME and set QTYPE to NS when 
+possible. Best effort approach, full QNAME and original QTYPE will be sent when
+upstream replies with a RCODE other than NOERROR. Default is off.
+.TP
 .B private\-address: \fI<IP address or subnet>
 Give IPv4 of IPv6 addresses or classless subnets. These are addresses
-on your private network, and are not allowed to be returned for public
-internet names.  Any occurence of such addresses are removed from
-DNS answers. Additionally, the DNSSEC validator may mark the answers
-bogus. This protects against so\-called DNS Rebinding, where a user browser
-is turned into a network proxy, allowing remote access through the browser
-to other parts of your private network.  Some names can be allowed to
-contain your private addresses, by default all the \fBlocal\-data\fR
-that you configured is allowed to, and you can specify additional
-names using \fBprivate\-domain\fR.  No private addresses are enabled
-by default.  We consider to enable this for the RFC1918 private IP
-address space by default in later releases. That would enable private 
-addresses for 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 169.254.0.0/16 
-fd00::/8 and fe80::/10, since the RFC standards say these addresses 
-should not be visible on the public internet.  Turning on 127.0.0.0/8 
-would hinder many spamblocklists as they use that.
+on your private network, and are not allowed to be returned for
+public internet names.  Any occurrence of such addresses are removed
+from DNS answers. Additionally, the DNSSEC validator may mark the
+answers bogus. This protects against so\-called DNS Rebinding, where
+a user browser is turned into a network proxy, allowing remote access
+through the browser to other parts of your private network.  Some names
+can be allowed to contain your private addresses, by default all the
+\fBlocal\-data\fR that you configured is allowed to, and you can specify
+additional names using \fBprivate\-domain\fR.  No private addresses are
+enabled by default.  We consider to enable this for the RFC1918 private
+IP address space by default in later releases. That would enable private
+addresses for 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 169.254.0.0/16
+fd00::/8 and fe80::/10, since the RFC standards say these addresses
+should not be visible on the public internet.  Turning on 127.0.0.0/8
+would hinder many spamblocklists as they use that.  Adding ::ffff:0:0/96
+stops IPv4-mapped IPv6 addresses from bypassing the filter.
 .TP
 .B private\-domain: \fI<domain name>
 Allow this domain, and all its subdomains to contain private addresses.
diff --git a/usr.sbin/unbound/iterator/iter_scrub.c b/usr.sbin/unbound/iterator/iter_scrub.c
index 5faaa3733e7..8a3fc170c05 100644
--- a/usr.sbin/unbound/iterator/iter_scrub.c
+++ b/usr.sbin/unbound/iterator/iter_scrub.c
@@ -405,7 +405,43 @@ scrub_normalize(sldns_buffer* pkt, struct msg_parse* msg,
 
 		/* Follow the CNAME chain. */
 		if(rrset->type == LDNS_RR_TYPE_CNAME) {
+			struct rrset_parse* nx = rrset->rrset_all_next;
 			uint8_t* oldsname = sname;
+			/* see if the next one is a DNAME, if so, swap them */
+			if(nx && nx->section == LDNS_SECTION_ANSWER &&
+				nx->type == LDNS_RR_TYPE_DNAME &&
+				nx->rr_count == 1 &&
+				pkt_strict_sub(pkt, sname, nx->dname)) {
+				/* there is a DNAME after this CNAME, it 
+				 * is in the ANSWER section, and the DNAME
+				 * applies to the name we cover */
+				/* check if the alias of the DNAME equals
+				 * this CNAME */
+				uint8_t alias[LDNS_MAX_DOMAINLEN+1];
+				size_t aliaslen = 0;
+				uint8_t* t = NULL;
+				size_t tlen = 0;
+				if(synth_cname(sname, snamelen, nx, alias,
+					&aliaslen, pkt) &&
+					parse_get_cname_target(rrset, &t, &tlen) &&
+			   		dname_pkt_compare(pkt, alias, t) == 0) {
+					/* the synthesized CNAME equals the
+					 * current CNAME.  This CNAME is the
+					 * one that the DNAME creates, and this
+					 * CNAME is better capitalised */
+					verbose(VERB_ALGO, "normalize: re-order of DNAME and its CNAME");
+					if(prev) prev->rrset_all_next = nx;
+					else msg->rrset_first = nx;
+					if(nx->rrset_all_next == NULL)
+						msg->rrset_last = rrset;
+					rrset->rrset_all_next =
+						nx->rrset_all_next;
+					nx->rrset_all_next = rrset;
+					prev = nx;
+				}
+			}
+
+			/* move to next name in CNAME chain */
 			if(!parse_get_cname_target(rrset, &sname, &snamelen))
 				return 0;
 			prev = rrset;
diff --git a/usr.sbin/unbound/iterator/iterator.c b/usr.sbin/unbound/iterator/iterator.c
index 8ff32fc9179..b1bf902d583 100644
--- a/usr.sbin/unbound/iterator/iterator.c
+++ b/usr.sbin/unbound/iterator/iterator.c
@@ -64,6 +64,7 @@
 #include "util/random.h"
 #include "sldns/rrdef.h"
 #include "sldns/wire2str.h"
+#include "sldns/str2wire.h"
 #include "sldns/parseutil.h"
 #include "sldns/sbuffer.h"
 
@@ -81,6 +82,21 @@ iter_init(struct module_env* env, int id)
 		log_err("iterator: could not apply configuration settings.");
 		return 0;
 	}
+	if(env->cfg->qname_minimisation) {
+		uint8_t dname[LDNS_MAX_DOMAINLEN+1];
+		size_t len = sizeof(dname);
+		if(sldns_str2wire_dname_buf("ip6.arpa.", dname, &len) != 0) {
+			log_err("ip6.arpa. parse error");
+			return 0;
+		}
+		iter_env->ip6arpa_dname = (uint8_t*)malloc(len);
+		if(!iter_env->ip6arpa_dname) {
+			log_err("malloc failure");
+			return 0;
+		}
+		memcpy(iter_env->ip6arpa_dname, dname, len);
+	}
+
 	return 1;
 }
 
@@ -101,6 +117,7 @@ iter_deinit(struct module_env* env, int id)
 	if(!env || !env->modinfo[id])
 		return;
 	iter_env = (struct iter_env*)env->modinfo[id];
+	free(iter_env->ip6arpa_dname);
 	free(iter_env->target_fetch_policy);
 	priv_delete(iter_env->priv);
 	donotq_delete(iter_env->donotq);
@@ -145,6 +162,12 @@ iter_new(struct module_qstate* qstate, int id)
 	/* Start with the (current) qname. */
 	iq->qchase = qstate->qinfo;
 	outbound_list_init(&iq->outlist);
+	if (qstate->env->cfg->qname_minimisation)
+		iq->minimisation_state = INIT_MINIMISE_STATE;
+	else
+		iq->minimisation_state = DONOT_MINIMISE_STATE;
+	
+	memset(&iq->qinfo_out, 0, sizeof(struct query_info));
 	return 1;
 }
 
@@ -590,6 +613,11 @@ generate_sub_request(uint8_t* qname, size_t qnamelen, uint16_t qtype,
 		subiq->qchase = subq->qinfo;
 		subiq->chase_flags = subq->query_flags;
 		subiq->refetch_glue = 0;
+		if(qstate->env->cfg->qname_minimisation)
+			subiq->minimisation_state = INIT_MINIMISE_STATE;
+		else
+			subiq->minimisation_state = DONOT_MINIMISE_STATE;
+		memset(&subiq->qinfo_out, 0, sizeof(struct query_info));
 	}
 	return 1;
 }
@@ -1042,6 +1070,8 @@ processInitRequest(struct module_qstate* qstate, struct iter_qstate* iq,
 			iq->query_restart_count++;
 			iq->sent_count = 0;
 			sock_list_insert(&qstate->reply_origin, NULL, 0, qstate->region);
+			if(qstate->env->cfg->qname_minimisation)
+				iq->minimisation_state = INIT_MINIMISE_STATE;
 			return next_state(iq, INIT_REQUEST_STATE);
 		}
 
@@ -1062,6 +1092,7 @@ processInitRequest(struct module_qstate* qstate, struct iter_qstate* iq,
 			return error_response(qstate, id, LDNS_RCODE_SERVFAIL);
 		}
 		iq->refetch_glue = 0;
+		iq->minimisation_state = DONOT_MINIMISE_STATE;
 		/* the request has been forwarded.
 		 * forwarded requests need to be immediately sent to the 
 		 * next state, QUERYTARGETS. */
@@ -1599,6 +1630,8 @@ processLastResort(struct module_qstate* qstate, struct iter_qstate* iq,
 			iq->refetch_glue = 1;
 			iq->query_restart_count++;
 			iq->sent_count = 0;
+			if(qstate->env->cfg->qname_minimisation)
+				iq->minimisation_state = INIT_MINIMISE_STATE;
 			return next_state(iq, INIT_REQUEST_STATE);
 		}
 	}
@@ -1975,9 +2008,78 @@ processQueryTargets(struct module_qstate* qstate, struct iter_qstate* iq,
 		}
 	}
 
+	if(iq->minimisation_state == INIT_MINIMISE_STATE) {
+		/* (Re)set qinfo_out to (new) delegation point, except
+ 		 * when qinfo_out is already a subdomain of dp. This happens
+		 * when resolving ip6.arpa dnames. */
+		if(!(iq->qinfo_out.qname_len 
+			&& dname_subdomain_c(iq->qchase.qname, 
+				iq->qinfo_out.qname)
+			&& dname_subdomain_c(iq->qinfo_out.qname, 
+				iq->dp->name))) {
+			iq->qinfo_out.qname = iq->dp->name;
+			iq->qinfo_out.qname_len = iq->dp->namelen;
+			iq->qinfo_out.qtype = LDNS_RR_TYPE_NS;
+			iq->qinfo_out.qclass = iq->qchase.qclass;
+		}
+
+		iq->minimisation_state = MINIMISE_STATE;
+	}
+	if(iq->minimisation_state == MINIMISE_STATE) {
+		int labdiff = dname_count_labels(iq->qchase.qname) -
+			dname_count_labels(iq->qinfo_out.qname);
+
+		iq->qinfo_out.qname = iq->qchase.qname;
+		iq->qinfo_out.qname_len = iq->qchase.qname_len;
+
+		/* Special treatment for ip6.arpa lookups.
+		 * Reverse IPv6 dname has 34 labels, increment the IP part 
+		 * (usually first 32 labels) by 8 labels (7 more than the 
+		 * default 1 label increment). */
+		if(labdiff <= 32 &&
+			dname_subdomain_c(iq->qchase.qname, ie->ip6arpa_dname)) {
+			labdiff -= 7;
+			/* Small chance of zone cut after first label. Stop
+			 * minimising */
+			if(labdiff <= 1)
+				labdiff = 0;
+		}
+
+		if(labdiff > 1) {
+			verbose(VERB_QUERY, "removing %d labels", labdiff-1);
+			dname_remove_labels(&iq->qinfo_out.qname, 
+				&iq->qinfo_out.qname_len, 
+				labdiff-1);
+		}
+		if(labdiff < 1 || 
+			(labdiff < 2 && iq->qchase.qtype == LDNS_RR_TYPE_DS))
+			/* Stop minimising this query, resolve "as usual" */
+			iq->minimisation_state = DONOT_MINIMISE_STATE;
+		else {
+			struct dns_msg* msg = dns_cache_lookup(qstate->env, 
+				iq->qinfo_out.qname, iq->qinfo_out.qname_len, 
+				iq->qinfo_out.qtype, iq->qinfo_out.qclass, 
+				qstate->query_flags, qstate->region, 
+				qstate->env->scratch);
+			if(msg && msg->rep->an_numrrsets == 0
+				&& FLAGS_GET_RCODE(msg->rep->flags) == 
+				LDNS_RCODE_NOERROR)
+				/* no need to send query if it is already 
+				 * cached as NOERROR/NODATA */
+				return 1;
+		}
+		
+	}
+	if(iq->minimisation_state == SKIP_MINIMISE_STATE)
+		/* Do not increment qname, continue incrementing next 
+		 * iteration */
+		iq->minimisation_state = MINIMISE_STATE;
+	if(iq->minimisation_state == DONOT_MINIMISE_STATE)
+		iq->qinfo_out = iq->qchase;
+
 	/* We have a valid target. */
 	if(verbosity >= VERB_QUERY) {
-		log_query_info(VERB_QUERY, "sending query:", &iq->qchase);
+		log_query_info(VERB_QUERY, "sending query:", &iq->qinfo_out);
 		log_name_addr(VERB_QUERY, "sending to target:", iq->dp->name, 
 			&target->addr, target->addrlen);
 		verbose(VERB_ALGO, "dnssec status: %s%s",
@@ -1986,8 +2088,8 @@ processQueryTargets(struct module_qstate* qstate, struct iter_qstate* iq,
 	}
 	fptr_ok(fptr_whitelist_modenv_send_query(qstate->env->send_query));
 	outq = (*qstate->env->send_query)(
-		iq->qchase.qname, iq->qchase.qname_len, 
-		iq->qchase.qtype, iq->qchase.qclass, 
+		iq->qinfo_out.qname, iq->qinfo_out.qname_len, 
+		iq->qinfo_out.qtype, iq->qinfo_out.qclass, 
 		iq->chase_flags | (iq->chase_to_rd?BIT_RD:0), EDNS_DO|BIT_CD, 
 		iq->dnssec_expected, iq->caps_fallback || is_caps_whitelisted(
 		ie, iq), &target->addr, target->addrlen, iq->dp->name,
@@ -2042,6 +2144,9 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
 	enum response_type type;
 	iq->num_current_queries--;
 	if(iq->response == NULL) {
+		/* Don't increment qname when QNAME minimisation is enabled */
+		if (qstate->env->cfg->qname_minimisation)
+			iq->minimisation_state = SKIP_MINIMISE_STATE;
 		iq->chase_to_rd = 0;
 		iq->dnssec_lame_query = 0;
 		verbose(VERB_ALGO, "query response was timeout");
@@ -2142,6 +2247,15 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
 			sock_list_insert(&qstate->reply_origin, 
 				&qstate->reply->addr, qstate->reply->addrlen, 
 				qstate->region);
+		if(iq->minimisation_state != DONOT_MINIMISE_STATE) {
+			/* Best effort qname-minimisation. 
+			 * Stop minimising and send full query when RCODE
+			 * is not NOERROR */
+			if(FLAGS_GET_RCODE(iq->response->rep->flags) != 
+				LDNS_RCODE_NOERROR)
+				iq->minimisation_state = DONOT_MINIMISE_STATE;
+			return next_state(iq, QUERYTARGETS_STATE);
+		}
 		return final_state(iq);
 	} else if(type == RESPONSE_TYPE_REFERRAL) {
 		/* REFERRAL type responses get a reset of the 
@@ -2201,6 +2315,8 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
 		 * point to the referral. */
 		iq->deleg_msg = iq->response;
 		iq->dp = delegpt_from_message(iq->response, qstate->region);
+		if (qstate->env->cfg->qname_minimisation)
+			iq->minimisation_state = INIT_MINIMISE_STATE;
 		if(!iq->dp)
 			return error_response(qstate, id, LDNS_RCODE_SERVFAIL);
 		if(!cache_fill_missing(qstate->env, iq->qchase.qclass, 
@@ -2280,6 +2396,8 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
 		/* set the current request's qname to the new value. */
 		iq->qchase.qname = sname;
 		iq->qchase.qname_len = snamelen;
+		if (qstate->env->cfg->qname_minimisation)
+			iq->minimisation_state = INIT_MINIMISE_STATE;
 		/* Clear the query state, since this is a query restart. */
 		iq->deleg_msg = NULL;
 		iq->dp = NULL;
@@ -2353,6 +2471,8 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
 	/* LAME, THROWAWAY and "unknown" all end up here.
 	 * Recycle to the QUERYTARGETS state to hopefully try a 
 	 * different target. */
+	if (qstate->env->cfg->qname_minimisation)
+		iq->minimisation_state = DONOT_MINIMISE_STATE;
 	return next_state(iq, QUERYTARGETS_STATE);
 }
 
@@ -2968,7 +3088,7 @@ process_response(struct module_qstate* qstate, struct iter_qstate* iq,
 	prs->flags &= ~BIT_CD;
 
 	/* normalize and sanitize: easy to delete items from linked lists */
-	if(!scrub_message(pkt, prs, &iq->qchase, iq->dp->name, 
+	if(!scrub_message(pkt, prs, &iq->qinfo_out, iq->dp->name, 
 		qstate->env->scratch, qstate->env, ie)) {
 		/* if 0x20 enabled, start fallback, but we have no message */
 		if(event == module_event_capsfail && !iq->caps_fallback) {
diff --git a/usr.sbin/unbound/iterator/iterator.h b/usr.sbin/unbound/iterator/iterator.h
index 9cf53b2b25a..b7aa82ebe4e 100644
--- a/usr.sbin/unbound/iterator/iterator.h
+++ b/usr.sbin/unbound/iterator/iterator.h
@@ -112,6 +112,32 @@ struct iter_env {
 	 * array of max_dependency_depth+1 size.
 	 */
 	int* target_fetch_policy;
+
+	/** ip6.arpa dname in wireformat, used for qname-minimisation */
+	uint8_t* ip6arpa_dname;
+};
+
+/**
+ * QNAME minimisation state
+ */
+enum minimisation_state {
+	/**
+	 * (Re)start minimisation. Outgoing QNAME should be set to dp->name.
+	 * State entered on new query or after following refferal or CNAME.
+	 */
+	INIT_MINIMISE_STATE = 0,
+	/**
+	 * QNAME minimisataion ongoing. Increase QNAME on every iteration.
+	 */
+	MINIMISE_STATE,
+	/**
+	 * Don't increment QNAME this iteration
+	 */
+	SKIP_MINIMISE_STATE,
+	/**
+	 * Send out full QNAME + original QTYPE
+	 */
+	DONOT_MINIMISE_STATE,
 };
 
 /**
@@ -322,6 +348,15 @@ struct iter_qstate {
 
 	/** list of pending queries to authoritative servers. */
 	struct outbound_list outlist;
+
+	/** QNAME minimisation state */
+	enum minimisation_state minimisation_state;
+
+	/**
+	 * The query info that is sent upstream. Will be a subset of qchase
+	 * when qname minimisation is enabled.
+	 */
+	struct query_info qinfo_out;
 };
 
 /**
diff --git a/usr.sbin/unbound/libunbound/libunbound.c b/usr.sbin/unbound/libunbound/libunbound.c
index 7c2509ba8d5..17f50e8e81d 100644
--- a/usr.sbin/unbound/libunbound/libunbound.c
+++ b/usr.sbin/unbound/libunbound/libunbound.c
@@ -68,6 +68,9 @@
 #ifdef HAVE_SYS_WAIT_H
 #include <sys/wait.h>
 #endif
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
 
 #if defined(UB_ON_WINDOWS) && defined (HAVE_WINDOWS_H)
 #include <windows.h>
diff --git a/usr.sbin/unbound/services/cache/rrset.c b/usr.sbin/unbound/services/cache/rrset.c
index b9d20db0e5d..2f6a1b50671 100644
--- a/usr.sbin/unbound/services/cache/rrset.c
+++ b/usr.sbin/unbound/services/cache/rrset.c
@@ -21,16 +21,16 @@
  * specific prior written permission.
  * 
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
@@ -40,6 +40,7 @@
  */
 #include "config.h"
 #include "services/cache/rrset.h"
+#include "sldns/rrdef.h"
 #include "util/storage/slabhash.h"
 #include "util/config_file.h"
 #include "util/data/packed_rrset.h"
@@ -120,7 +121,7 @@ rrset_cache_touch(struct rrset_cache* r, struct ub_packed_rrset_key* key,
 
 /** see if rrset needs to be updated in the cache */
 static int
-need_to_update_rrset(void* nd, void* cd, uint32_t timenow, int equal, int ns)
+need_to_update_rrset(void* nd, void* cd, time_t timenow, int equal, int ns)
 {
 	struct packed_rrset_data* newd = (struct packed_rrset_data*)nd;
 	struct packed_rrset_data* cached = (struct packed_rrset_data*)cd;
@@ -181,7 +182,7 @@ rrset_update_id(struct rrset_ref* ref, struct alloc_cache* alloc)
 
 int 
 rrset_cache_update(struct rrset_cache* r, struct rrset_ref* ref,
-	struct alloc_cache* alloc, uint32_t timenow)
+	struct alloc_cache* alloc, time_t timenow)
 {
 	struct lruhash_entry* e;
 	struct ub_packed_rrset_key* k = ref->key;
@@ -189,6 +190,7 @@ rrset_cache_update(struct rrset_cache* r, struct rrset_ref* ref,
 	uint16_t rrset_type = ntohs(k->rk.type);
 	int equal = 0;
 	log_assert(ref->id != 0 && k->id != 0);
+	log_assert(k->rk.dname != NULL);
 	/* looks up item with a readlock - no editing! */
 	if((e=slabhash_lookup(&r->table, h, k, 0)) != 0) {
 		/* return id and key as they will be used in the cache
@@ -237,7 +239,7 @@ rrset_cache_update(struct rrset_cache* r, struct rrset_ref* ref,
 
 struct ub_packed_rrset_key* 
 rrset_cache_lookup(struct rrset_cache* r, uint8_t* qname, size_t qnamelen, 
-	uint16_t qtype, uint16_t qclass, uint32_t flags, uint32_t timenow,
+	uint16_t qtype, uint16_t qclass, uint32_t flags, time_t timenow,
 	int wr)
 {
 	struct lruhash_entry* e;
@@ -268,7 +270,7 @@ rrset_cache_lookup(struct rrset_cache* r, uint8_t* qname, size_t qnamelen,
 }
 
 int 
-rrset_array_lock(struct rrset_ref* ref, size_t count, uint32_t timenow)
+rrset_array_lock(struct rrset_ref* ref, size_t count, time_t timenow)
 {
 	size_t i;
 	for(i=0; i<count; i++) {
@@ -303,10 +305,11 @@ rrset_array_unlock_touch(struct rrset_cache* r, struct regional* scratch,
 {
 	hashvalue_t* h;
 	size_t i;
-	if(!(h = (hashvalue_t*)regional_alloc(scratch, 
-		sizeof(hashvalue_t)*count)))
+	if(count > RR_COUNT_MAX || !(h = (hashvalue_t*)regional_alloc(scratch, 
+		sizeof(hashvalue_t)*count))) {
 		log_warn("rrset LRU: memory allocation failed");
-	else 	/* store hash values */
+		h = NULL;
+	} else 	/* store hash values */
 		for(i=0; i<count; i++)
 			h[i] = ref[i].key->entry.hash;
 	/* unlock */
@@ -327,7 +330,7 @@ rrset_array_unlock_touch(struct rrset_cache* r, struct regional* scratch,
 
 void 
 rrset_update_sec_status(struct rrset_cache* r, 
-	struct ub_packed_rrset_key* rrset, uint32_t now)
+	struct ub_packed_rrset_key* rrset, time_t now)
 {
 	struct packed_rrset_data* updata = 
 		(struct packed_rrset_data*)rrset->entry.data;
@@ -366,7 +369,7 @@ rrset_update_sec_status(struct rrset_cache* r,
 
 void 
 rrset_check_sec_status(struct rrset_cache* r, 
-	struct ub_packed_rrset_key* rrset, uint32_t now)
+	struct ub_packed_rrset_key* rrset, time_t now)
 {
 	struct packed_rrset_data* updata = 
 		(struct packed_rrset_data*)rrset->entry.data;
diff --git a/usr.sbin/unbound/smallapp/unbound-anchor.c b/usr.sbin/unbound/smallapp/unbound-anchor.c
index f6f90e20115..81bb896f717 100644
--- a/usr.sbin/unbound/smallapp/unbound-anchor.c
+++ b/usr.sbin/unbound/smallapp/unbound-anchor.c
@@ -1520,7 +1520,11 @@ xml_entitydeclhandler(void *userData,
 	const XML_Char *ATTR_UNUSED(publicId),
 	const XML_Char *ATTR_UNUSED(notationName))
 {
+#if HAVE_DECL_XML_STOPPARSER
 	(void)XML_StopParser((XML_Parser)userData, XML_FALSE);
+#else
+	(void)userData;
+#endif
 }
 
 /**
@@ -1828,6 +1832,12 @@ write_unsigned_root(const char* root_anchor_file)
 			root_anchor_file);
 		if(verb && errno != 0) printf("%s\n", strerror(errno));
 	}
+	fflush(out);
+#ifdef HAVE_FSYNC
+	fsync(fileno(out));
+#else
+	FlushFileBuffers((HANDLE)_fileno(out));
+#endif
 	fclose(out);
 }
 
@@ -1854,6 +1864,12 @@ write_root_anchor(const char* root_anchor_file, BIO* ds)
 			root_anchor_file);
 		if(verb && errno != 0) printf("%s\n", strerror(errno));
 	}
+	fflush(out);
+#ifdef HAVE_FSYNC
+	fsync(fileno(out));
+#else
+	FlushFileBuffers((HANDLE)_fileno(out));
+#endif
 	fclose(out);
 }
 
diff --git a/usr.sbin/unbound/smallapp/unbound-checkconf.c b/usr.sbin/unbound/smallapp/unbound-checkconf.c
index 8b56f960761..ec0771306b9 100644
--- a/usr.sbin/unbound/smallapp/unbound-checkconf.c
+++ b/usr.sbin/unbound/smallapp/unbound-checkconf.c
@@ -21,16 +21,16 @@
  * specific prior written permission.
  * 
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
@@ -50,8 +50,10 @@
 #include "util/regional.h"
 #include "iterator/iterator.h"
 #include "iterator/iter_fwd.h"
+#include "iterator/iter_hints.h"
 #include "validator/validator.h"
 #include "services/localzone.h"
+#include "sldns/sbuffer.h"
 #ifdef HAVE_GETOPT_H
 #include <getopt.h>
 #endif
@@ -76,6 +78,7 @@ usage()
 	printf("	Checks unbound configuration file for errors.\n");
 	printf("file	if omitted %s is used.\n", CONFIGFILE);
 	printf("-o option	print value of option to stdout.\n");
+	printf("-f 		output full pathname with chroot applied, eg. with -o pidfile.\n");
 	printf("-h		show this usage help.\n");
 	printf("Version %s\n", PACKAGE_VERSION);
 	printf("BSD licensed, see LICENSE in source package for details.\n");
@@ -88,10 +91,15 @@ usage()
  * @param cfg: config
  * @param opt: option name without trailing :. 
  *	This is different from config_set_option.
+ * @param final: if final pathname with chroot applied has to be printed.
  */
 static void
-print_option(struct config_file* cfg, const char* opt)
+print_option(struct config_file* cfg, const char* opt, int final)
 {
+	if(strcmp(opt, "pidfile") == 0 && final) {
+		printf("%s\n", fname_after_chroot(cfg->pidfile, cfg, 1));
+		return;
+	}
 	if(!config_get_option(cfg, opt, config_print_func, stdout))
 		fatal_exit("cannot print option '%s'", opt);
 }
@@ -104,14 +112,14 @@ check_mod(struct config_file* cfg, struct module_func_block* fb)
 	memset(&env, 0, sizeof(env));
 	env.cfg = cfg;
 	env.scratch = regional_create();
-	env.scratch_buffer = ldns_buffer_new(BUFSIZ);
+	env.scratch_buffer = sldns_buffer_new(BUFSIZ);
 	if(!env.scratch || !env.scratch_buffer)
 		fatal_exit("out of memory");
 	if(!(*fb->init)(&env, 0)) {
 		fatal_exit("bad config for %s module", fb->name);
 	}
 	(*fb->deinit)(&env, 0);
-	ldns_buffer_free(env.scratch_buffer);
+	sldns_buffer_free(env.scratch_buffer);
 	regional_destroy(env.scratch);
 }
 
@@ -327,7 +335,9 @@ morechecks(struct config_file* cfg, const char* fname)
 	if(cfg->edns_buffer_size > cfg->msg_buffer_size)
 		fatal_exit("edns-buffer-size larger than msg-buffer-size, "
 			"answers will not fit in processing buffer");
-
+#ifdef UB_ON_WINDOWS
+	w_config_adjust_directory(cfg);
+#endif
 	if(cfg->chrootdir && cfg->chrootdir[0] && 
 		cfg->chrootdir[strlen(cfg->chrootdir)-1] == '/')
 		fatal_exit("chootdir %s has trailing slash '/' please remove.",
@@ -342,9 +352,9 @@ morechecks(struct config_file* cfg, const char* fname)
 		if(fname[0] != '/') {
 			if(getcwd(buf, sizeof(buf)) == NULL)
 				fatal_exit("getcwd: %s", strerror(errno));
-			strncat(buf, "/", sizeof(buf)-strlen(buf)-1);
+			(void)strlcat(buf, "/", sizeof(buf));
 		}
-		strncat(buf, fname, sizeof(buf)-strlen(buf)-1);
+		(void)strlcat(buf, fname, sizeof(buf));
 		if(strncmp(buf, cfg->chrootdir, strlen(cfg->chrootdir)) != 0)
 			fatal_exit("config file %s is not inside chroot %s",
 				buf, cfg->chrootdir);
@@ -390,10 +400,17 @@ morechecks(struct config_file* cfg, const char* fname)
 	
 	if(strcmp(cfg->module_conf, "iterator") != 0 
 		&& strcmp(cfg->module_conf, "validator iterator") != 0
+		&& strcmp(cfg->module_conf, "dns64 validator iterator") != 0
+		&& strcmp(cfg->module_conf, "dns64 iterator") != 0
 #ifdef WITH_PYTHONMODULE
 		&& strcmp(cfg->module_conf, "python iterator") != 0 
 		&& strcmp(cfg->module_conf, "python validator iterator") != 0 
 		&& strcmp(cfg->module_conf, "validator python iterator") != 0
+		&& strcmp(cfg->module_conf, "dns64 python iterator") != 0 
+		&& strcmp(cfg->module_conf, "dns64 python validator iterator") != 0 
+		&& strcmp(cfg->module_conf, "dns64 validator python iterator") != 0
+		&& strcmp(cfg->module_conf, "python dns64 iterator") != 0 
+		&& strcmp(cfg->module_conf, "python dns64 validator iterator") != 0 
 #endif
 		) {
 		fatal_exit("module conf '%s' is not known to work",
@@ -407,7 +424,7 @@ morechecks(struct config_file* cfg, const char* fname)
 		endpwent();
 	}
 #endif
-	if(cfg->remote_control_enable) {
+	if(cfg->remote_control_enable && cfg->remote_control_use_cert) {
 		check_chroot_string("server-key-file", &cfg->server_key_file,
 			cfg->chrootdir, cfg);
 		check_chroot_string("server-cert-file", &cfg->server_cert_file,
@@ -434,9 +451,20 @@ check_fwd(struct config_file* cfg)
 	forwards_delete(fwd);
 }
 
+/** check hints */
+static void
+check_hints(struct config_file* cfg)
+{
+	struct iter_hints* hints = hints_create();
+	if(!hints || !hints_apply_cfg(hints, cfg)) {
+		fatal_exit("Could not set root or stub hints");
+	}
+	hints_delete(hints);
+}
+
 /** check config file */
 static void
-checkconf(const char* cfgfile, const char* opt)
+checkconf(const char* cfgfile, const char* opt, int final)
 {
 	struct config_file* cfg = config_create();
 	if(!cfg)
@@ -446,6 +474,11 @@ checkconf(const char* cfgfile, const char* opt)
 		config_delete(cfg);
 		exit(1);
 	}
+	if(opt) {
+		print_option(cfg, opt, final);
+		config_delete(cfg);
+		return;
+	}
 	morechecks(cfg, cfgfile);
 	check_mod(cfg, iter_get_funcblock());
 	check_mod(cfg, val_get_funcblock());
@@ -454,8 +487,8 @@ checkconf(const char* cfgfile, const char* opt)
 		check_mod(cfg, pythonmod_get_funcblock());
 #endif
 	check_fwd(cfg);
-	if(opt) print_option(cfg, opt);
-	else	printf("unbound-checkconf: no errors in %s\n", cfgfile);
+	check_hints(cfg);
+	printf("unbound-checkconf: no errors in %s\n", cfgfile);
 	config_delete(cfg);
 }
 
@@ -468,14 +501,24 @@ extern char* optarg;
 int main(int argc, char* argv[])
 {
 	int c;
+	int final = 0;
 	const char* f;
 	const char* opt = NULL;
+	const char* cfgfile = CONFIGFILE;
 	log_ident_set("unbound-checkconf");
 	log_init(NULL, 0, NULL);
 	checklock_start();
+#ifdef USE_WINSOCK
+	/* use registry config file in preference to compiletime location */
+	if(!(cfgfile=w_lookup_reg_str("Software\\Unbound", "ConfigFile")))
+		cfgfile = CONFIGFILE;
+#endif /* USE_WINSOCK */
 	/* parse the options */
-	while( (c=getopt(argc, argv, "ho:")) != -1) {
+	while( (c=getopt(argc, argv, "fho:")) != -1) {
 		switch(c) {
+		case 'f':
+			final = 1;
+			break;
 		case 'o':
 			opt = optarg;
 			break;
@@ -491,8 +534,8 @@ int main(int argc, char* argv[])
 		usage();
 	if(argc == 1)
 		f = argv[0];
-	else	f = CONFIGFILE;
-	checkconf(f, opt);
+	else	f = cfgfile;
+	checkconf(f, opt, final);
 	checklock_stop();
 	return 0;
 }
diff --git a/usr.sbin/unbound/smallapp/unbound-control.c b/usr.sbin/unbound/smallapp/unbound-control.c
index 8cd676ed877..fac73b09979 100644
--- a/usr.sbin/unbound/smallapp/unbound-control.c
+++ b/usr.sbin/unbound/smallapp/unbound-control.c
@@ -363,6 +363,9 @@ go(const char* cfgfile, char* svr, int quiet, int argc, char* argv[])
 		fatal_exit("could not read config file");
 	if(!cfg->remote_control_enable)
 		log_warn("control-enable is 'no' in the config file.");
+#ifdef UB_ON_WINDOWS
+	w_config_adjust_directory(cfg);
+#endif
 	ctx = setup_ctx(cfg);
 
 	/* contact server */
diff --git a/usr.sbin/unbound/util/config_file.c b/usr.sbin/unbound/util/config_file.c
index db328f3307b..cc7d99086b8 100644
--- a/usr.sbin/unbound/util/config_file.c
+++ b/usr.sbin/unbound/util/config_file.c
@@ -240,6 +240,7 @@ config_create(void)
 	cfg->ratelimit_for_domain = NULL;
 	cfg->ratelimit_below_domain = NULL;
 	cfg->ratelimit_factor = 10;
+	cfg->qname_minimisation = 0;
 	return cfg;
 error_exit:
 	config_delete(cfg); 
@@ -473,6 +474,7 @@ int config_set_option(struct config_file* cfg, const char* opt,
 	else S_MEMSIZE("ratelimit-size:", ratelimit_size)
 	else S_POW2("ratelimit-slabs:", ratelimit_slabs)
 	else S_NUMBER_OR_ZERO("ratelimit-factor:", ratelimit_factor)
+	else S_YNO("qname-minimisation:", qname_minimisation)
 	/* val_sig_skew_min and max are copied into val_env during init,
 	 * so this does not update val_env with set_option */
 	else if(strcmp(opt, "val-sig-skew-min:") == 0)
@@ -747,6 +749,7 @@ config_get_option(struct config_file* cfg, const char* opt,
 	else O_DEC(opt, "ratelimit-factor", ratelimit_factor)
 	else O_DEC(opt, "val-sig-skew-min", val_sig_skew_min)
 	else O_DEC(opt, "val-sig-skew-max", val_sig_skew_max)
+	else O_YNO(opt, "qname-minimisation", qname_minimisation)
 	/* not here:
 	 * outgoing-permit, outgoing-avoid - have list of ports
 	 * local-zone - zones and nodefault variables
@@ -1555,6 +1558,28 @@ w_lookup_reg_str(const char* key, const char* name)
 	}
 	return result;
 }
+
+void w_config_adjust_directory(struct config_file* cfg)
+{
+	if(cfg->directory && cfg->directory[0]) {
+		TCHAR dirbuf[2*MAX_PATH+4];
+		if(strcmp(cfg->directory, "%EXECUTABLE%") == 0) {
+			/* get executable path, and if that contains
+			 * directories, snip off the filename part */
+			dirbuf[0] = 0;
+			if(!GetModuleFileName(NULL, dirbuf, MAX_PATH))
+				log_err("could not GetModuleFileName");
+			if(strrchr(dirbuf, '\\')) {
+				(strrchr(dirbuf, '\\'))[0] = 0;
+			} else log_err("GetModuleFileName had no path");
+			if(dirbuf[0]) {
+				/* adjust directory for later lookups to work*/
+				free(cfg->directory);
+				cfg->directory = memdup(dirbuf, strlen(dirbuf)+1);
+			}
+		}
+	}
+}
 #endif /* UB_ON_WINDOWS */
 
 void errinf(struct module_qstate* qstate, const char* str)
diff --git a/usr.sbin/unbound/util/config_file.h b/usr.sbin/unbound/util/config_file.h
index 04803b38e30..8fa163ed7cc 100644
--- a/usr.sbin/unbound/util/config_file.h
+++ b/usr.sbin/unbound/util/config_file.h
@@ -364,6 +364,8 @@ struct config_file {
 	struct config_str2list* ratelimit_below_domain;
 	/** ratelimit factor, 0 blocks all, 10 allows 1/10 of traffic */
 	int ratelimit_factor;
+	/** minimise outgoing QNAME and hide original QTYPE if possible */
+	int qname_minimisation;
 };
 
 /** from cfg username, after daemonise setup performed */
@@ -739,6 +741,9 @@ void ub_c_error_msg(const char* fmt, ...) ATTR_FORMAT(printf, 1, 2);
  * 	exist on an error (logged with log_err) was encountered.
  */
 char* w_lookup_reg_str(const char* key, const char* name);
+
+/** Modify directory in options for module file name */
+void w_config_adjust_directory(struct config_file* cfg);
 #endif /* UB_ON_WINDOWS */
 
 #endif /* UTIL_CONFIG_FILE_H */
diff --git a/usr.sbin/unbound/util/configlexer.lex b/usr.sbin/unbound/util/configlexer.lex
index ba728622c15..6637943e482 100644
--- a/usr.sbin/unbound/util/configlexer.lex
+++ b/usr.sbin/unbound/util/configlexer.lex
@@ -205,6 +205,7 @@ SQANY     [^\'\n\r\\]|\\.
 	/* note that flex makes the longest match and '.' is any but not nl */
 	LEXOUT(("comment(%s) ", yytext)); /* ignore */ }
 server{COLON}			{ YDVAR(0, VAR_SERVER) }
+qname-minimisation{COLON}	{ YDVAR(1, VAR_QNAME_MINIMISATION) }
 num-threads{COLON}		{ YDVAR(1, VAR_NUM_THREADS) }
 verbosity{COLON}		{ YDVAR(1, VAR_VERBOSITY) }
 port{COLON}			{ YDVAR(1, VAR_PORT) }
diff --git a/usr.sbin/unbound/util/configparser.y b/usr.sbin/unbound/util/configparser.y
index d6db3c86f7d..abc0bb0d77f 100644
--- a/usr.sbin/unbound/util/configparser.y
+++ b/usr.sbin/unbound/util/configparser.y
@@ -122,6 +122,7 @@ extern struct config_parser_state* cfg_parser;
 %token VAR_RATELIMIT VAR_RATELIMIT_SLABS VAR_RATELIMIT_SIZE
 %token VAR_RATELIMIT_FOR_DOMAIN VAR_RATELIMIT_BELOW_DOMAIN VAR_RATELIMIT_FACTOR
 %token VAR_CAPS_WHITELIST VAR_CACHE_MAX_NEGATIVE_TTL VAR_PERMIT_SMALL_HOLDDOWN
+%token VAR_QNAME_MINIMISATION
 
 %%
 toplevelvars: /* empty */ | toplevelvars toplevelvar ;
@@ -186,7 +187,7 @@ content_server: server_num_threads | server_verbosity | server_port |
 	server_ratelimit_size | server_ratelimit_for_domain |
 	server_ratelimit_below_domain | server_ratelimit_factor |
 	server_caps_whitelist | server_cache_max_negative_ttl |
-	server_permit_small_holddown
+	server_permit_small_holddown | server_qname_minimisation
 	;
 stubstart: VAR_STUB_ZONE
 	{
@@ -1318,6 +1319,16 @@ server_ratelimit_factor: VAR_RATELIMIT_FACTOR STRING_ARG
 		free($2);
 	}
 	;
+server_qname_minimisation: VAR_QNAME_MINIMISATION STRING_ARG
+	{
+		OUTYY(("P(server_qname_minimisation:%s)\n", $2));
+		if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
+			yyerror("expected yes or no.");
+		else cfg_parser->cfg->qname_minimisation = 
+			(strcmp($2, "yes")==0);
+		free($2);
+	}
+	;
 stub_name: VAR_NAME STRING_ARG
 	{
 		OUTYY(("P(name:%s)\n", $2));
diff --git a/usr.sbin/unbound/util/iana_ports.inc b/usr.sbin/unbound/util/iana_ports.inc
index 47496fc8d2f..b09a9ad9570 100644
--- a/usr.sbin/unbound/util/iana_ports.inc
+++ b/usr.sbin/unbound/util/iana_ports.inc
@@ -3843,6 +3843,7 @@
 4406,
 4412,
 4413,
+4416,
 4425,
 4426,
 4430,
@@ -4573,6 +4574,7 @@
 7070,
 7071,
 7080,
+7088,
 7095,
 7099,
 7100,
@@ -5384,6 +5386,7 @@
 38203,
 39681,
 40000,
+40023,
 40841,
 40842,
 40843,
diff --git a/usr.sbin/unbound/util/random.c b/usr.sbin/unbound/util/random.c
index 71f0ba53e48..684464e7d84 100644
--- a/usr.sbin/unbound/util/random.c
+++ b/usr.sbin/unbound/util/random.c
@@ -68,6 +68,8 @@
 /* nss3 */
 #include "secport.h"
 #include "pk11pub.h"
+#elif defined(HAVE_NETTLE)
+#include "yarrow.h"
 #endif
 
 /** 
@@ -76,7 +78,7 @@
  */
 #define MAX_VALUE 0x7fffffff
 
-#ifndef HAVE_NSS
+#if defined(HAVE_SSL)
 void
 ub_systemseed(unsigned int ATTR_UNUSED(seed))
 {
@@ -110,7 +112,7 @@ ub_random_max(struct ub_randstate* state, long int x)
 	return (long)arc4random_uniform((uint32_t)x);
 }
 
-#else
+#elif defined(HAVE_NSS)
 
 /* not much to remember for NSS since we use its pk11_random, placeholder */
 struct ub_randstate {
@@ -144,6 +146,72 @@ long int ub_random(struct ub_randstate* ATTR_UNUSED(state))
 	return x & MAX_VALUE;
 }
 
+#elif defined(HAVE_NETTLE)
+
+/**
+ * libnettle implements a Yarrow-256 generator (SHA256 + AES),
+ * and we have to ensure it is seeded before use.
+ */
+struct ub_randstate {
+	struct yarrow256_ctx ctx;
+	int seeded;
+};
+
+void ub_systemseed(unsigned int ATTR_UNUSED(seed))
+{
+/**
+ * We seed on init and not here, as we need the ctx to re-seed.
+ * This also means that re-seeding is not supported.
+ */
+	log_err("Re-seeding not supported, generator untouched");
+}
+
+struct ub_randstate* ub_initstate(unsigned int seed,
+	struct ub_randstate* ATTR_UNUSED(from))
+{
+	struct ub_randstate* s = (struct ub_randstate*)calloc(1, sizeof(*s));
+	uint8_t buf[YARROW256_SEED_FILE_SIZE];
+	if(!s) {
+		log_err("malloc failure in random init");
+		return NULL;
+	}
+	/* Setup Yarrow context */
+	yarrow256_init(&s->ctx, 0, NULL);
+
+	if(getentropy(buf, sizeof(buf)) != -1) {
+		/* got entropy */
+		yarrow256_seed(&s->ctx, YARROW256_SEED_FILE_SIZE, buf);
+		s->seeded = yarrow256_is_seeded(&s->ctx);
+	} else {
+		/* Stretch the uint32 input seed and feed it to Yarrow */
+		uint32_t v = seed;
+		size_t i;
+		for(i=0; i < (YARROW256_SEED_FILE_SIZE/sizeof(seed)); i++) {
+			memmove(buf+i*sizeof(seed), &v, sizeof(seed));
+			v = v*seed + (uint32_t)i;
+		}
+		yarrow256_seed(&s->ctx, YARROW256_SEED_FILE_SIZE, buf);
+		s->seeded = yarrow256_is_seeded(&s->ctx);
+	}
+
+	return s;
+}
+
+long int ub_random(struct ub_randstate* s)
+{
+	/* random 31 bit value. */
+	long int x = 0;
+	if (!s || !s->seeded) {
+		log_err("Couldn't generate randomness, Yarrow-256 generator not yet seeded");
+	} else {
+		yarrow256_random(&s->ctx, sizeof(x), (uint8_t *)&x);
+	}
+	return x & MAX_VALUE;
+}
+#endif /* HAVE_SSL or HAVE_NSS or HAVE_NETTLE */
+
+
+#if defined(HAVE_NSS) || defined(HAVE_NETTLE)
 long int
 ub_random_max(struct ub_randstate* state, long int x)
 {
@@ -155,7 +223,7 @@ ub_random_max(struct ub_randstate* state, long int x)
 		v = ub_random(state);
 	return (v % x);
 }
-#endif /* HAVE_NSS */
+#endif /* HAVE_NSS or HAVE_NETTLE */
 
 void 
 ub_randfree(struct ub_randstate* s)
diff --git a/usr.sbin/unbound/validator/autotrust.c b/usr.sbin/unbound/validator/autotrust.c
index e3769b1fcba..f8c9c8c63f9 100644
--- a/usr.sbin/unbound/validator/autotrust.c
+++ b/usr.sbin/unbound/validator/autotrust.c
@@ -1195,6 +1195,14 @@ void autr_write_file(struct module_env* env, struct trust_anchor* tp)
 		fatal_exit("could not completely write: %s", fname);
 		return;
 	}
+	if(fflush(out) != 0)
+		log_err("could not fflush(%s): %s", fname, strerror(errno));
+#ifdef HAVE_FSYNC
+	if(fsync(fileno(out)) != 0)
+		log_err("could not fsync(%s): %s", fname, strerror(errno));
+#else
+	FlushFileBuffers((HANDLE)_fileno(out));
+#endif
 	if(fclose(out) != 0) {
 		fatal_exit("could not complete write: %s: %s",
 			fname, strerror(errno));
diff --git a/usr.sbin/unbound/validator/val_nsec.c b/usr.sbin/unbound/validator/val_nsec.c
index 13ba6cd6baa..f104a347c78 100644
--- a/usr.sbin/unbound/validator/val_nsec.c
+++ b/usr.sbin/unbound/validator/val_nsec.c
@@ -340,6 +340,28 @@ int nsec_proves_nodata(struct ub_packed_rrset_key* nsec,
 				*wc = ce;
 				return 1;
 			}
+		} else {
+			/* See if the next owner name covers a wildcard
+			 * empty non-terminal. */
+			while (dname_strict_subdomain_c(nm, nsec->rk.dname)) {
+				/* wildcard does not apply if qname below
+				 * the name that exists under the '*' */
+				if (dname_subdomain_c(qinfo->qname, nm))
+					break;
+				/* but if it is a wildcard and qname is below
+				 * it, then the wildcard applies. The wildcard
+				 * is an empty nonterminal. nodata proven. */
+				if (dname_is_wild(nm)) {
+					size_t ce_len = ln;
+					uint8_t* ce = nm;
+					dname_remove_label(&ce, &ce_len);
+					if(dname_strict_subdomain_c(qinfo->qname, ce)) {
+						*wc = ce;
+						return 1;
+					}
+				}
+				dname_remove_label(&nm, &ln);
+			}
 		}
 
 		/* Otherwise, this NSEC does not prove ENT and is not a 
diff --git a/usr.sbin/unbound/validator/val_nsec3.c b/usr.sbin/unbound/validator/val_nsec3.c
index 26d7f2df4ab..22867d170d7 100644
--- a/usr.sbin/unbound/validator/val_nsec3.c
+++ b/usr.sbin/unbound/validator/val_nsec3.c
@@ -42,14 +42,8 @@
  */
 #include "config.h"
 #include <ctype.h>
-#ifdef HAVE_OPENSSL_SSL_H
-#include "openssl/ssl.h"
-#endif
-#ifdef HAVE_NSS
-/* nss3 */
-#include "sechash.h"
-#endif
 #include "validator/val_nsec3.h"
+#include "validator/val_secalgo.h"
 #include "validator/validator.h"
 #include "validator/val_kentry.h"
 #include "services/cache/rrset.h"
@@ -370,8 +364,8 @@ filter_next(struct nsec3_filter* filter, size_t* rrsetnum, int* rrnum)
 /**
  * Start iterating over NSEC3 records.
  * @param filter: the filter structure, must have been filter_init-ed.
- * @param rrsetnum: can be undefined on call, inited.
- * @param rrnum: can be undefined on call, inited.
+ * @param rrsetnum: can be undefined on call, initialised.
+ * @param rrnum: can be undefined on call, initialised.
  * @return first rrset of an NSEC3, together with rrnum this points to
  *	the first RR to examine. Is NULL on empty list.
  */
@@ -545,46 +539,24 @@ nsec3_get_hashed(sldns_buffer* buf, uint8_t* nm, size_t nmlen, int algo,
 	query_dname_tolower(sldns_buffer_begin(buf));
 	sldns_buffer_write(buf, salt, saltlen);
 	sldns_buffer_flip(buf);
-	switch(algo) {
-#if defined(HAVE_EVP_SHA1) || defined(HAVE_NSS)
-		case NSEC3_HASH_SHA1:
-#ifdef HAVE_SSL
-			hash_len = SHA_DIGEST_LENGTH;
-#else
-			hash_len = SHA1_LENGTH;
-#endif
-			if(hash_len > max)
-				return 0;
-#  ifdef HAVE_SSL
-			(void)SHA1((unsigned char*)sldns_buffer_begin(buf),
-				(unsigned long)sldns_buffer_limit(buf),
-				(unsigned char*)res);
-#  else
-			(void)HASH_HashBuf(HASH_AlgSHA1, (unsigned char*)res,
-				(unsigned char*)sldns_buffer_begin(buf),
-				(unsigned long)sldns_buffer_limit(buf));
-#  endif
-			for(i=0; i<iter; i++) {
-				sldns_buffer_clear(buf);
-				sldns_buffer_write(buf, res, hash_len);
-				sldns_buffer_write(buf, salt, saltlen);
-				sldns_buffer_flip(buf);
-#  ifdef HAVE_SSL
-				(void)SHA1(
-					(unsigned char*)sldns_buffer_begin(buf),
-					(unsigned long)sldns_buffer_limit(buf),
-					(unsigned char*)res);
-#  else
-				(void)HASH_HashBuf(HASH_AlgSHA1,
-					(unsigned char*)res,
-					(unsigned char*)sldns_buffer_begin(buf),
-					(unsigned long)sldns_buffer_limit(buf));
-#  endif
-			}
-			break;
-#endif /* HAVE_EVP_SHA1 or NSS */
-		default:
-			log_err("nsec3 hash of unknown algo %d", algo);
+	hash_len = nsec3_hash_algo_size_supported(algo);
+	if(hash_len == 0) {
+		log_err("nsec3 hash of unknown algo %d", algo);
+		return 0;
+	}
+	if(hash_len > max)
+		return 0;
+	if(!secalgo_nsec3_hash(algo, (unsigned char*)sldns_buffer_begin(buf),
+		sldns_buffer_limit(buf), (unsigned char*)res))
+		return 0;
+	for(i=0; i<iter; i++) {
+		sldns_buffer_clear(buf);
+		sldns_buffer_write(buf, res, hash_len);
+		sldns_buffer_write(buf, salt, saltlen);
+		sldns_buffer_flip(buf);
+		if(!secalgo_nsec3_hash(algo,
+			(unsigned char*)sldns_buffer_begin(buf),
+			sldns_buffer_limit(buf), (unsigned char*)res))
 			return 0;
 	}
 	return hash_len;
@@ -607,50 +579,24 @@ nsec3_calc_hash(struct regional* region, sldns_buffer* buf,
 	query_dname_tolower(sldns_buffer_begin(buf));
 	sldns_buffer_write(buf, salt, saltlen);
 	sldns_buffer_flip(buf);
-	switch(algo) {
-#if defined(HAVE_EVP_SHA1) || defined(HAVE_NSS)
-		case NSEC3_HASH_SHA1:
-#ifdef HAVE_SSL
-			c->hash_len = SHA_DIGEST_LENGTH;
-#else
-			c->hash_len = SHA1_LENGTH;
-#endif
-			c->hash = (uint8_t*)regional_alloc(region, 
-				c->hash_len);
-			if(!c->hash)
-				return 0;
-#  ifdef HAVE_SSL
-			(void)SHA1((unsigned char*)sldns_buffer_begin(buf),
-				(unsigned long)sldns_buffer_limit(buf),
-				(unsigned char*)c->hash);
-#  else
-			(void)HASH_HashBuf(HASH_AlgSHA1,
-				(unsigned char*)c->hash,
-				(unsigned char*)sldns_buffer_begin(buf),
-				(unsigned long)sldns_buffer_limit(buf));
-#  endif
-			for(i=0; i<iter; i++) {
-				sldns_buffer_clear(buf);
-				sldns_buffer_write(buf, c->hash, c->hash_len);
-				sldns_buffer_write(buf, salt, saltlen);
-				sldns_buffer_flip(buf);
-#  ifdef HAVE_SSL
-				(void)SHA1(
-					(unsigned char*)sldns_buffer_begin(buf),
-					(unsigned long)sldns_buffer_limit(buf),
-					(unsigned char*)c->hash);
-#  else
-				(void)HASH_HashBuf(HASH_AlgSHA1,
-					(unsigned char*)c->hash,
-					(unsigned char*)sldns_buffer_begin(buf),
-					(unsigned long)sldns_buffer_limit(buf));
-#  endif
-			}
-			break;
-#endif /* HAVE_EVP_SHA1 or NSS */
-		default:
-			log_err("nsec3 hash of unknown algo %d", algo);
-			return -1;
+	c->hash_len = nsec3_hash_algo_size_supported(algo);
+	if(c->hash_len == 0) {
+		log_err("nsec3 hash of unknown algo %d", algo);
+		return -1;
+	}
+	c->hash = (uint8_t*)regional_alloc(region, c->hash_len);
+	if(!c->hash)
+		return 0;
+	(void)secalgo_nsec3_hash(algo, (unsigned char*)sldns_buffer_begin(buf),
+		sldns_buffer_limit(buf), (unsigned char*)c->hash);
+	for(i=0; i<iter; i++) {
+		sldns_buffer_clear(buf);
+		sldns_buffer_write(buf, c->hash, c->hash_len);
+		sldns_buffer_write(buf, salt, saltlen);
+		sldns_buffer_flip(buf);
+		(void)secalgo_nsec3_hash(algo,
+			(unsigned char*)sldns_buffer_begin(buf),
+			sldns_buffer_limit(buf), (unsigned char*)c->hash);
 	}
 	return 1;
 }
diff --git a/usr.sbin/unbound/validator/val_secalgo.c b/usr.sbin/unbound/validator/val_secalgo.c
index f3f861ee2a4..7c8d7b28718 100644
--- a/usr.sbin/unbound/validator/val_secalgo.c
+++ b/usr.sbin/unbound/validator/val_secalgo.c
@@ -21,16 +21,16 @@
  * specific prior written permission.
  * 
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
@@ -41,12 +41,16 @@
  * and do the library calls (for the crypto library in use).
  */
 #include "config.h"
-#include <ldns/ldns.h>
-#include "validator/val_secalgo.h"
+/* packed_rrset on top to define enum types (forced by c99 standard) */
 #include "util/data/packed_rrset.h"
+#include "validator/val_secalgo.h"
+#include "validator/val_nsec3.h"
 #include "util/log.h"
+#include "sldns/rrdef.h"
+#include "sldns/keyraw.h"
+#include "sldns/sbuffer.h"
 
-#if !defined(HAVE_SSL) && !defined(HAVE_NSS)
+#if !defined(HAVE_SSL) && !defined(HAVE_NSS) && !defined(HAVE_NETTLE)
 #error "Need crypto library to do digital signature cryptography"
 #endif
 
@@ -68,10 +72,36 @@
 #include <openssl/engine.h>
 #endif
 
+/* return size of digest if supported, or 0 otherwise */
+size_t
+nsec3_hash_algo_size_supported(int id)
+{
+	switch(id) {
+	case NSEC3_HASH_SHA1:
+		return SHA_DIGEST_LENGTH;
+	default:
+		return 0;
+	}
+}
+
+/* perform nsec3 hash. return false on failure */
+int
+secalgo_nsec3_hash(int algo, unsigned char* buf, size_t len,
+        unsigned char* res)
+{
+	switch(algo) {
+	case NSEC3_HASH_SHA1:
+		(void)SHA1(buf, len, res);
+		return 1;
+	default:
+		return 0;
+	}
+}
+
 /**
  * Return size of DS digest according to its hash algorithm.
  * @param algo: DS digest algo.
- * @return size in bytes of digest, or 0 if not supported. 
+ * @return size in bytes of digest, or 0 if not supported.
  */
 size_t
 ds_digest_size_supported(int algo)
@@ -108,7 +138,7 @@ do_gost94(unsigned char* data, size_t len, unsigned char* dest)
 	const EVP_MD* md = EVP_get_digestbyname("md_gost94");
 	if(!md) 
 		return 0;
-	return ldns_digest_evp(data, (unsigned int)len, dest, md);
+	return sldns_digest_evp(data, (unsigned int)len, dest, md);
 }
 #endif
 
@@ -152,13 +182,8 @@ dnskey_algo_id_is_supported(int id)
 {
 	switch(id) {
 	case LDNS_RSAMD5:
-#ifdef HAVE_FIPS_MODE
-		/* openssl can return if the system is in FIPS mode, 
-		 * which does not allow MD5 hashes for network traffic */
-		return !FIPS_mode();
-#else
-		return 1;
-#endif
+		/* RFC 6725 deprecates RSAMD5 */
+		return 0;
 	case LDNS_DSA:
 	case LDNS_DSA_NSEC3:
 	case LDNS_RSASHA1:
@@ -177,7 +202,7 @@ dnskey_algo_id_is_supported(int id)
 #ifdef USE_GOST
 	case LDNS_ECC_GOST:
 		/* we support GOST if it can be loaded */
-		return ldns_key_EVP_load_gost_id();
+		return sldns_key_EVP_load_gost_id();
 #endif
 	default:
 		return 0;
@@ -309,10 +334,10 @@ setup_key_digest(int algo, EVP_PKEY** evp_key, const EVP_MD** digest_type,
 				log_err("verify: malloc failure in crypto");
 				return 0;
 			}
-			dsa = ldns_key_buf2dsa_raw(key, keylen);
+			dsa = sldns_key_buf2dsa_raw(key, keylen);
 			if(!dsa) {
 				verbose(VERB_QUERY, "verify: "
-					"ldns_key_buf2dsa_raw failed");
+					"sldns_key_buf2dsa_raw failed");
 				return 0;
 			}
 			if(EVP_PKEY_assign_DSA(*evp_key, dsa) == 0) {
@@ -336,10 +361,10 @@ setup_key_digest(int algo, EVP_PKEY** evp_key, const EVP_MD** digest_type,
 				log_err("verify: malloc failure in crypto");
 				return 0;
 			}
-			rsa = ldns_key_buf2rsa_raw(key, keylen);
+			rsa = sldns_key_buf2rsa_raw(key, keylen);
 			if(!rsa) {
 				verbose(VERB_QUERY, "verify: "
-					"ldns_key_buf2rsa_raw SHA failed");
+					"sldns_key_buf2rsa_raw SHA failed");
 				return 0;
 			}
 			if(EVP_PKEY_assign_RSA(*evp_key, rsa) == 0) {
@@ -368,10 +393,10 @@ setup_key_digest(int algo, EVP_PKEY** evp_key, const EVP_MD** digest_type,
 				log_err("verify: malloc failure in crypto");
 				return 0;
 			}
-			rsa = ldns_key_buf2rsa_raw(key, keylen);
+			rsa = sldns_key_buf2rsa_raw(key, keylen);
 			if(!rsa) {
 				verbose(VERB_QUERY, "verify: "
-					"ldns_key_buf2rsa_raw MD5 failed");
+					"sldns_key_buf2rsa_raw MD5 failed");
 				return 0;
 			}
 			if(EVP_PKEY_assign_RSA(*evp_key, rsa) == 0) {
@@ -384,10 +409,10 @@ setup_key_digest(int algo, EVP_PKEY** evp_key, const EVP_MD** digest_type,
 			break;
 #ifdef USE_GOST
 		case LDNS_ECC_GOST:
-			*evp_key = ldns_gost2pkey_raw(key, keylen);
+			*evp_key = sldns_gost2pkey_raw(key, keylen);
 			if(!*evp_key) {
 				verbose(VERB_QUERY, "verify: "
-					"ldns_gost2pkey_raw failed");
+					"sldns_gost2pkey_raw failed");
 				return 0;
 			}
 			*digest_type = EVP_get_digestbyname("md_gost94");
@@ -400,11 +425,11 @@ setup_key_digest(int algo, EVP_PKEY** evp_key, const EVP_MD** digest_type,
 #endif
 #ifdef USE_ECDSA
 		case LDNS_ECDSAP256SHA256:
-			*evp_key = ldns_ecdsa2pkey_raw(key, keylen,
+			*evp_key = sldns_ecdsa2pkey_raw(key, keylen,
 				LDNS_ECDSAP256SHA256);
 			if(!*evp_key) {
 				verbose(VERB_QUERY, "verify: "
-					"ldns_ecdsa2pkey_raw failed");
+					"sldns_ecdsa2pkey_raw failed");
 				return 0;
 			}
 #ifdef USE_ECDSA_EVP_WORKAROUND
@@ -427,11 +452,11 @@ setup_key_digest(int algo, EVP_PKEY** evp_key, const EVP_MD** digest_type,
 #endif
 			break;
 		case LDNS_ECDSAP384SHA384:
-			*evp_key = ldns_ecdsa2pkey_raw(key, keylen,
+			*evp_key = sldns_ecdsa2pkey_raw(key, keylen,
 				LDNS_ECDSAP384SHA384);
 			if(!*evp_key) {
 				verbose(VERB_QUERY, "verify: "
-					"ldns_ecdsa2pkey_raw failed");
+					"sldns_ecdsa2pkey_raw failed");
 				return 0;
 			}
 #ifdef USE_ECDSA_EVP_WORKAROUND
@@ -476,7 +501,7 @@ setup_key_digest(int algo, EVP_PKEY** evp_key, const EVP_MD** digest_type,
  *	unchecked on format errors and alloc failures.
  */
 enum sec_status
-verify_canonrrset(ldns_buffer* buf, int algo, unsigned char* sigblock, 
+verify_canonrrset(sldns_buffer* buf, int algo, unsigned char* sigblock, 
 	unsigned int sigblock_len, unsigned char* key, unsigned int keylen,
 	char** reason)
 {
@@ -523,8 +548,8 @@ verify_canonrrset(ldns_buffer* buf, int algo, unsigned char* sigblock,
 		if(dofree) free(sigblock);
 		return sec_status_unchecked;
 	}
-	if(EVP_VerifyUpdate(&ctx, (unsigned char*)ldns_buffer_begin(buf), 
-		(unsigned int)ldns_buffer_limit(buf)) == 0) {
+	if(EVP_VerifyUpdate(&ctx, (unsigned char*)sldns_buffer_begin(buf), 
+		(unsigned int)sldns_buffer_limit(buf)) == 0) {
 		verbose(VERB_QUERY, "verify: EVP_VerifyUpdate failed");
 		EVP_PKEY_free(evp_key);
 		if(dofree) free(sigblock);
@@ -558,12 +583,40 @@ verify_canonrrset(ldns_buffer* buf, int algo, unsigned char* sigblock,
 /**************************************************/
 #elif defined(HAVE_NSS)
 /* libnss implementation */
-#include <nss3/sechash.h>
-#include <nss3/pk11pub.h>
-#include <nss3/keyhi.h>
-#include <nss3/secerr.h>
-#include <nss3/cryptohi.h>
-#include <nspr4/prerror.h>
+/* nss3 */
+#include "sechash.h"
+#include "pk11pub.h"
+#include "keyhi.h"
+#include "secerr.h"
+#include "cryptohi.h"
+/* nspr4 */
+#include "prerror.h"
+
+/* return size of digest if supported, or 0 otherwise */
+size_t
+nsec3_hash_algo_size_supported(int id)
+{
+	switch(id) {
+	case NSEC3_HASH_SHA1:
+		return SHA1_LENGTH;
+	default:
+		return 0;
+	}
+}
+
+/* perform nsec3 hash. return false on failure */
+int
+secalgo_nsec3_hash(int algo, unsigned char* buf, size_t len,
+        unsigned char* res)
+{
+	switch(algo) {
+	case NSEC3_HASH_SHA1:
+		(void)HASH_HashBuf(HASH_AlgSHA1, res, buf, (unsigned long)len);
+		return 1;
+	default:
+		return 0;
+	}
+}
 
 size_t
 ds_digest_size_supported(int algo)
@@ -621,8 +674,8 @@ dnskey_algo_id_is_supported(int id)
 	/* uses libNSS */
 	switch(id) {
 	case LDNS_RSAMD5:
-		/* disable MD5 support if FIPS mode is enabled in libnss */
-		return !PK11_IsFIPS();
+		/* RFC 6725 deprecates RSAMD5 */
+		return 0;
 	case LDNS_DSA:
 	case LDNS_DSA_NSEC3:
 	case LDNS_RSASHA1:
@@ -672,12 +725,12 @@ static SECKEYPublicKey* nss_buf2ecdsa(unsigned char* key, size_t len, int algo)
 	SECKEYPublicKey* pk;
 	SECItem pub = {siBuffer, NULL, 0};
 	SECItem params = {siBuffer, NULL, 0};
-	unsigned char param256[] = {
+	static unsigned char param256[] = {
 		/* OBJECTIDENTIFIER 1.2.840.10045.3.1.7 (P-256)
 		 * {iso(1) member-body(2) us(840) ansi-x962(10045) curves(3) prime(1) prime256v1(7)} */
 		0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07
 	};
-	unsigned char param384[] = {
+	static unsigned char param384[] = {
 		/* OBJECTIDENTIFIER 1.3.132.0.34 (P-384)
 		 * {iso(1) identified-organization(3) certicom(132) curve(0) ansip384r1(34)} */
 		0x06, 0x05, 0x2b, 0x81, 0x04, 0x00, 0x22
@@ -848,19 +901,19 @@ nss_setup_key_digest(int algo, SECKEYPublicKey** pubkey, HASH_HashType* htype,
 	/* uses libNSS */
 
 	/* hash prefix for md5, RFC2537 */
-	unsigned char p_md5[] = {0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a,
+	static unsigned char p_md5[] = {0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a,
 	0x86, 0x48, 0x86, 0xf7, 0x0d, 0x02, 0x05, 0x05, 0x00, 0x04, 0x10};
 	/* hash prefix to prepend to hash output, from RFC3110 */
-	unsigned char p_sha1[] = {0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B,
+	static unsigned char p_sha1[] = {0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B,
 		0x0E, 0x03, 0x02, 0x1A, 0x05, 0x00, 0x04, 0x14};
 	/* from RFC5702 */
-	unsigned char p_sha256[] = {0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60,
+	static unsigned char p_sha256[] = {0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60,
 	0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20};
-	unsigned char p_sha512[] = {0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60,
+	static unsigned char p_sha512[] = {0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60,
 	0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40};
 	/* from RFC6234 */
 	/* for future RSASHA384 .. 
-	unsigned char p_sha384[] = {0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60,
+	static unsigned char p_sha384[] = {0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60,
 	0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, 0x05, 0x00, 0x04, 0x30};
 	*/
 
@@ -966,7 +1019,7 @@ nss_setup_key_digest(int algo, SECKEYPublicKey** pubkey, HASH_HashType* htype,
  *	unchecked on format errors and alloc failures.
  */
 enum sec_status
-verify_canonrrset(ldns_buffer* buf, int algo, unsigned char* sigblock, 
+verify_canonrrset(sldns_buffer* buf, int algo, unsigned char* sigblock, 
 	unsigned int sigblock_len, unsigned char* key, unsigned int keylen,
 	char** reason)
 {
@@ -1022,8 +1075,8 @@ verify_canonrrset(ldns_buffer* buf, int algo, unsigned char* sigblock,
 		SECKEY_DestroyPublicKey(pubkey);
 		return sec_status_unchecked;
 	}
-	if(HASH_HashBuf(htype, hash, (unsigned char*)ldns_buffer_begin(buf),
-		(unsigned int)ldns_buffer_limit(buf)) != SECSuccess) {
+	if(HASH_HashBuf(htype, hash, (unsigned char*)sldns_buffer_begin(buf),
+		(unsigned int)sldns_buffer_limit(buf)) != SECSuccess) {
 		verbose(VERB_QUERY, "verify: HASH_HashBuf failed");
 		SECKEY_DestroyPublicKey(pubkey);
 		return sec_status_unchecked;
@@ -1069,5 +1122,466 @@ verify_canonrrset(ldns_buffer* buf, int algo, unsigned char* sigblock,
 	return sec_status_bogus;
 }
 
+#elif defined(HAVE_NETTLE)
+
+#include "sha.h"
+#include "bignum.h"
+#include "macros.h"
+#include "rsa.h"
+#include "dsa.h"
+#include "asn1.h"
+#ifdef USE_ECDSA
+#include "ecdsa.h"
+#include "ecc-curve.h"
+#endif
+
+static int
+_digest_nettle(int algo, uint8_t* buf, size_t len,
+	unsigned char* res)
+{
+	switch(algo) {
+		case SHA1_DIGEST_SIZE:
+		{
+			struct sha1_ctx ctx;
+			sha1_init(&ctx);
+			sha1_update(&ctx, len, buf);
+			sha1_digest(&ctx, SHA1_DIGEST_SIZE, res);
+			return 1;
+		}
+		case SHA256_DIGEST_SIZE:
+		{
+			struct sha256_ctx ctx;
+			sha256_init(&ctx);
+			sha256_update(&ctx, len, buf);
+			sha256_digest(&ctx, SHA256_DIGEST_SIZE, res);
+			return 1;
+		}
+		case SHA384_DIGEST_SIZE:
+		{
+			struct sha384_ctx ctx;
+			sha384_init(&ctx);
+			sha384_update(&ctx, len, buf);
+			sha384_digest(&ctx, SHA384_DIGEST_SIZE, res);
+			return 1;
+		}
+		case SHA512_DIGEST_SIZE:
+		{
+			struct sha512_ctx ctx;
+			sha512_init(&ctx);
+			sha512_update(&ctx, len, buf);
+			sha512_digest(&ctx, SHA512_DIGEST_SIZE, res);
+			return 1;
+		}
+		default:
+			break;
+	}
+	return 0;
+}
+
+/* return size of digest if supported, or 0 otherwise */
+size_t
+nsec3_hash_algo_size_supported(int id)
+{
+	switch(id) {
+	case NSEC3_HASH_SHA1:
+		return SHA1_DIGEST_SIZE;
+	default:
+		return 0;
+	}
+}
+
+/* perform nsec3 hash. return false on failure */
+int
+secalgo_nsec3_hash(int algo, unsigned char* buf, size_t len,
+        unsigned char* res)
+{
+	switch(algo) {
+	case NSEC3_HASH_SHA1:
+		return _digest_nettle(SHA1_DIGEST_SIZE, (uint8_t*)buf, len,
+			res);
+	default:
+		return 0;
+	}
+}
+
+/**
+ * Return size of DS digest according to its hash algorithm.
+ * @param algo: DS digest algo.
+ * @return size in bytes of digest, or 0 if not supported.
+ */
+size_t
+ds_digest_size_supported(int algo)
+{
+	switch(algo) {
+		case LDNS_SHA1:
+			return SHA1_DIGEST_SIZE;
+#ifdef USE_SHA2
+		case LDNS_SHA256:
+			return SHA256_DIGEST_SIZE;
+#endif
+#ifdef USE_ECDSA
+		case LDNS_SHA384:
+			return SHA384_DIGEST_SIZE;
+#endif
+		/* GOST not supported */
+		case LDNS_HASH_GOST:
+		default:
+			break;
+	}
+	return 0;
+}
+
+int
+secalgo_ds_digest(int algo, unsigned char* buf, size_t len,
+	unsigned char* res)
+{
+	switch(algo) {
+		case LDNS_SHA1:
+			return _digest_nettle(SHA1_DIGEST_SIZE, buf, len, res);
+#if defined(USE_SHA2)
+		case LDNS_SHA256:
+			return _digest_nettle(SHA256_DIGEST_SIZE, buf, len, res);
+#endif
+#ifdef USE_ECDSA
+		case LDNS_SHA384:
+			return _digest_nettle(SHA384_DIGEST_SIZE, buf, len, res);
+
+#endif
+		case LDNS_HASH_GOST:
+		default:
+			verbose(VERB_QUERY, "unknown DS digest algorithm %d",
+				algo);
+			break;
+	}
+	return 0;
+}
+
+int
+dnskey_algo_id_is_supported(int id)
+{
+	/* uses libnettle */
+	switch(id) {
+	case LDNS_DSA:
+	case LDNS_DSA_NSEC3:
+	case LDNS_RSASHA1:
+	case LDNS_RSASHA1_NSEC3:
+#ifdef USE_SHA2
+	case LDNS_RSASHA256:
+	case LDNS_RSASHA512:
+#endif
+#ifdef USE_ECDSA
+	case LDNS_ECDSAP256SHA256:
+	case LDNS_ECDSAP384SHA384:
+#endif
+		return 1;
+	case LDNS_RSAMD5: /* RFC 6725 deprecates RSAMD5 */
+	case LDNS_ECC_GOST:
+	default:
+		return 0;
+	}
+}
+
+static char *
+_verify_nettle_dsa(sldns_buffer* buf, unsigned char* sigblock,
+	unsigned int sigblock_len, unsigned char* key, unsigned int keylen)
+{
+	uint8_t digest[SHA1_DIGEST_SIZE];
+	uint8_t key_t;
+	int res = 0;
+	size_t offset;
+	struct dsa_public_key pubkey;
+	struct dsa_signature signature;
+	unsigned int expected_len;
+
+	/* Extract DSA signature from the record */
+	nettle_dsa_signature_init(&signature);
+	/* Signature length: 41 bytes - RFC 2536 sec. 3 */
+	if(sigblock_len == 41) {
+		if(key[0] != sigblock[0])
+			return "invalid T value in DSA signature or pubkey";
+		nettle_mpz_set_str_256_u(signature.r, 20, sigblock+1);
+		nettle_mpz_set_str_256_u(signature.s, 20, sigblock+1+20);
+	} else {
+		/* DER encoded, decode the ASN1 notated R and S bignums */
+		/* SEQUENCE { r INTEGER, s INTEGER } */
+		struct asn1_der_iterator i, seq;
+		if(asn1_der_iterator_first(&i, sigblock_len,
+			(uint8_t*)sigblock) != ASN1_ITERATOR_CONSTRUCTED
+			|| i.type != ASN1_SEQUENCE)
+			return "malformed DER encoded DSA signature";
+		/* decode this element of i using the seq iterator */
+		if(asn1_der_decode_constructed(&i, &seq) !=
+			ASN1_ITERATOR_PRIMITIVE || seq.type != ASN1_INTEGER)
+			return "malformed DER encoded DSA signature";
+		if(!asn1_der_get_bignum(&seq, signature.r, 20*8))
+			return "malformed DER encoded DSA signature";
+		if(asn1_der_iterator_next(&seq) != ASN1_ITERATOR_PRIMITIVE
+			|| seq.type != ASN1_INTEGER)
+			return "malformed DER encoded DSA signature";
+		if(!asn1_der_get_bignum(&seq, signature.s, 20*8))
+			return "malformed DER encoded DSA signature";
+		if(asn1_der_iterator_next(&i) != ASN1_ITERATOR_END)
+			return "malformed DER encoded DSA signature";
+	}
+
+	/* Validate T values constraints - RFC 2536 sec. 2 & sec. 3 */
+	key_t = key[0];
+	if (key_t > 8) {
+		return "invalid T value in DSA pubkey";
+	}
+
+	/* Pubkey minimum length: 21 bytes - RFC 2536 sec. 2 */
+	if (keylen < 21) {
+		return "DSA pubkey too short";
+	}
+
+	expected_len =   1 +		/* T */
+		        20 +		/* Q */
+		       (64 + key_t*8) +	/* P */
+		       (64 + key_t*8) +	/* G */
+		       (64 + key_t*8);	/* Y */
+	if (keylen != expected_len ) {
+		return "invalid DSA pubkey length";
+	}
+
+	/* Extract DSA pubkey from the record */
+	nettle_dsa_public_key_init(&pubkey);
+	offset = 1;
+	nettle_mpz_set_str_256_u(pubkey.q, 20, key+offset);
+	offset += 20;
+	nettle_mpz_set_str_256_u(pubkey.p, (64 + key_t*8), key+offset);
+	offset += (64 + key_t*8);
+	nettle_mpz_set_str_256_u(pubkey.g, (64 + key_t*8), key+offset);
+	offset += (64 + key_t*8);
+	nettle_mpz_set_str_256_u(pubkey.y, (64 + key_t*8), key+offset);
+
+	/* Digest content of "buf" and verify its DSA signature in "sigblock"*/
+	res = _digest_nettle(SHA1_DIGEST_SIZE, (unsigned char*)sldns_buffer_begin(buf),
+						(unsigned int)sldns_buffer_limit(buf), (unsigned char*)digest);
+	res &= dsa_sha1_verify_digest(&pubkey, digest, &signature);
+
+	/* Clear and return */
+	nettle_dsa_signature_clear(&signature);
+	nettle_dsa_public_key_clear(&pubkey);
+	if (!res)
+		return "DSA signature verification failed";
+	else
+		return NULL;
+}
+
+static char *
+_verify_nettle_rsa(sldns_buffer* buf, unsigned int digest_size, char* sigblock,
+	unsigned int sigblock_len, uint8_t* key, unsigned int keylen)
+{
+	uint16_t exp_len = 0;
+	size_t exp_offset = 0, mod_offset = 0;
+	struct rsa_public_key pubkey;
+	mpz_t signature;
+	int res = 0;
+
+	/* RSA pubkey parsing as per RFC 3110 sec. 2 */
+	if( keylen <= 1) {
+		return "null RSA key";
+	}
+	if (key[0] != 0) {
+		/* 1-byte length */
+		exp_len = key[0];
+		exp_offset = 1;
+	} else {
+		/* 1-byte NUL + 2-bytes exponent length */
+		if (keylen < 3) {
+			return "incorrect RSA key length";
+		}
+		exp_len = READ_UINT16(key+1);
+		if (exp_len == 0)
+			return "null RSA exponent length";
+		exp_offset = 3;
+	}
+	/* Check that we are not over-running input length */
+	if (keylen < exp_offset + exp_len + 1) {
+		return "RSA key content shorter than expected";
+	}
+	mod_offset = exp_offset + exp_len;
+	nettle_rsa_public_key_init(&pubkey);
+	pubkey.size = keylen - mod_offset;
+	nettle_mpz_set_str_256_u(pubkey.e, exp_len, &key[exp_offset]);
+	nettle_mpz_set_str_256_u(pubkey.n, pubkey.size, &key[mod_offset]);
+
+	/* Digest content of "buf" and verify its RSA signature in "sigblock"*/
+	nettle_mpz_init_set_str_256_u(signature, sigblock_len, (uint8_t*)sigblock);
+	switch (digest_size) {
+		case SHA1_DIGEST_SIZE:
+		{
+			uint8_t digest[SHA1_DIGEST_SIZE];
+			res = _digest_nettle(SHA1_DIGEST_SIZE, (unsigned char*)sldns_buffer_begin(buf),
+						(unsigned int)sldns_buffer_limit(buf), (unsigned char*)digest);
+			res &= rsa_sha1_verify_digest(&pubkey, digest, signature);
+			break;
+		}
+		case SHA256_DIGEST_SIZE:
+		{
+			uint8_t digest[SHA256_DIGEST_SIZE];
+			res = _digest_nettle(SHA256_DIGEST_SIZE, (unsigned char*)sldns_buffer_begin(buf),
+						(unsigned int)sldns_buffer_limit(buf), (unsigned char*)digest);
+			res &= rsa_sha256_verify_digest(&pubkey, digest, signature);
+			break;
+		}
+		case SHA512_DIGEST_SIZE:
+		{
+			uint8_t digest[SHA512_DIGEST_SIZE];
+			res = _digest_nettle(SHA512_DIGEST_SIZE, (unsigned char*)sldns_buffer_begin(buf),
+						(unsigned int)sldns_buffer_limit(buf), (unsigned char*)digest);
+			res &= rsa_sha512_verify_digest(&pubkey, digest, signature);
+			break;
+		}
+		default:
+			break;
+	}
+
+	/* Clear and return */
+	nettle_rsa_public_key_clear(&pubkey);
+	mpz_clear(signature);
+	if (!res) {
+		return "RSA signature verification failed";
+	} else {
+		return NULL;
+	}
+}
+
+#ifdef USE_ECDSA
+static char *
+_verify_nettle_ecdsa(sldns_buffer* buf, unsigned int digest_size, unsigned char* sigblock,
+	unsigned int sigblock_len, unsigned char* key, unsigned int keylen)
+{
+	int res = 0;
+	struct ecc_point pubkey;
+	struct dsa_signature signature;
+
+	/* Always matched strength, as per RFC 6605 sec. 1 */
+	if (sigblock_len != 2*digest_size || keylen != 2*digest_size) {
+		return "wrong ECDSA signature length";
+	}
+
+	/* Parse ECDSA signature as per RFC 6605 sec. 4 */
+	nettle_dsa_signature_init(&signature);
+	switch (digest_size) {
+		case SHA256_DIGEST_SIZE:
+		{
+			uint8_t digest[SHA256_DIGEST_SIZE];
+			mpz_t x, y;
+			nettle_ecc_point_init(&pubkey, &nettle_secp_256r1);
+			nettle_mpz_init_set_str_256_u(x, SHA256_DIGEST_SIZE, key);
+			nettle_mpz_init_set_str_256_u(y, SHA256_DIGEST_SIZE, key+SHA256_DIGEST_SIZE);
+			nettle_mpz_set_str_256_u(signature.r, SHA256_DIGEST_SIZE, sigblock);
+			nettle_mpz_set_str_256_u(signature.s, SHA256_DIGEST_SIZE, sigblock+SHA256_DIGEST_SIZE);
+			res = _digest_nettle(SHA256_DIGEST_SIZE, (unsigned char*)sldns_buffer_begin(buf),
+						(unsigned int)sldns_buffer_limit(buf), (unsigned char*)digest);
+			res &= nettle_ecc_point_set(&pubkey, x, y);
+			res &= nettle_ecdsa_verify (&pubkey, SHA256_DIGEST_SIZE, digest, &signature);
+			mpz_clear(x);
+			mpz_clear(y);
+			break;
+		}
+		case SHA384_DIGEST_SIZE:
+		{
+			uint8_t digest[SHA384_DIGEST_SIZE];
+			mpz_t x, y;
+			nettle_ecc_point_init(&pubkey, &nettle_secp_384r1);
+			nettle_mpz_init_set_str_256_u(x, SHA384_DIGEST_SIZE, key);
+			nettle_mpz_init_set_str_256_u(y, SHA384_DIGEST_SIZE, key+SHA384_DIGEST_SIZE);
+			nettle_mpz_set_str_256_u(signature.r, SHA384_DIGEST_SIZE, sigblock);
+			nettle_mpz_set_str_256_u(signature.s, SHA384_DIGEST_SIZE, sigblock+SHA384_DIGEST_SIZE);
+			res = _digest_nettle(SHA384_DIGEST_SIZE, (unsigned char*)sldns_buffer_begin(buf),
+						(unsigned int)sldns_buffer_limit(buf), (unsigned char*)digest);
+			res &= nettle_ecc_point_set(&pubkey, x, y);
+			res &= nettle_ecdsa_verify (&pubkey, SHA384_DIGEST_SIZE, digest, &signature);
+			mpz_clear(x);
+			mpz_clear(y);
+			nettle_ecc_point_clear(&pubkey);
+			break;
+		}
+		default:
+			return "unknown ECDSA algorithm";
+	}
+
+	/* Clear and return */
+	nettle_dsa_signature_clear(&signature);
+	if (!res)
+		return "ECDSA signature verification failed";
+	else
+		return NULL;
+}
+#endif
+
+/**
+ * Check a canonical sig+rrset and signature against a dnskey
+ * @param buf: buffer with data to verify, the first rrsig part and the
+ *	canonicalized rrset.
+ * @param algo: DNSKEY algorithm.
+ * @param sigblock: signature rdata field from RRSIG
+ * @param sigblock_len: length of sigblock data.
+ * @param key: public key data from DNSKEY RR.
+ * @param keylen: length of keydata.
+ * @param reason: bogus reason in more detail.
+ * @return secure if verification succeeded, bogus on crypto failure,
+ *	unchecked on format errors and alloc failures.
+ */
+enum sec_status
+verify_canonrrset(sldns_buffer* buf, int algo, unsigned char* sigblock,
+	unsigned int sigblock_len, unsigned char* key, unsigned int keylen,
+	char** reason)
+{
+	unsigned int digest_size = 0;
+
+	if (sigblock_len == 0 || keylen == 0) {
+		*reason = "null signature";
+		return sec_status_bogus;
+	}
+
+	switch(algo) {
+	case LDNS_DSA:
+	case LDNS_DSA_NSEC3:
+		*reason = _verify_nettle_dsa(buf, sigblock, sigblock_len, key, keylen);
+		if (*reason != NULL)
+			return sec_status_bogus;
+		else
+			return sec_status_secure;
+
+	case LDNS_RSASHA1:
+	case LDNS_RSASHA1_NSEC3:
+		digest_size = (digest_size ? digest_size : SHA1_DIGEST_SIZE);
+#ifdef USE_SHA2
+	case LDNS_RSASHA256:
+		digest_size = (digest_size ? digest_size : SHA256_DIGEST_SIZE);
+	case LDNS_RSASHA512:
+		digest_size = (digest_size ? digest_size : SHA512_DIGEST_SIZE);
+
+#endif
+		*reason = _verify_nettle_rsa(buf, digest_size, (char*)sigblock,
+						sigblock_len, key, keylen);
+		if (*reason != NULL)
+			return sec_status_bogus;
+		else
+			return sec_status_secure;
+
+#ifdef USE_ECDSA
+	case LDNS_ECDSAP256SHA256:
+		digest_size = (digest_size ? digest_size : SHA256_DIGEST_SIZE);
+	case LDNS_ECDSAP384SHA384:
+		digest_size = (digest_size ? digest_size : SHA384_DIGEST_SIZE);
+		*reason = _verify_nettle_ecdsa(buf, digest_size, sigblock,
+						sigblock_len, key, keylen);
+		if (*reason != NULL)
+			return sec_status_bogus;
+		else
+			return sec_status_secure;
+#endif
+	case LDNS_RSAMD5:
+	case LDNS_ECC_GOST:
+	default:
+		*reason = "unable to verify signature, unknown algorithm";
+		return sec_status_bogus;
+	}
+}
 
-#endif /* HAVE_SSL or HAVE_NSS */
+#endif /* HAVE_SSL or HAVE_NSS or HAVE_NETTLE */
diff --git a/usr.sbin/unbound/validator/val_secalgo.h b/usr.sbin/unbound/validator/val_secalgo.h
index a5832af871e..589f1f11db6 100644
--- a/usr.sbin/unbound/validator/val_secalgo.h
+++ b/usr.sbin/unbound/validator/val_secalgo.h
@@ -21,16 +21,16 @@
  * specific prior written permission.
  * 
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
@@ -42,6 +42,22 @@
 
 #ifndef VALIDATOR_VAL_SECALGO_H
 #define VALIDATOR_VAL_SECALGO_H
+struct sldns_buffer;
+
+/** Return size of nsec3 hash algorithm, 0 if not supported */
+size_t nsec3_hash_algo_size_supported(int id);
+
+/**
+ * Hash a single hash call of an NSEC3 hash algorithm.
+ * Iterations and salt are done by the caller.
+ * @param algo: nsec3 hash algorithm.
+ * @param buf: the buffer to digest
+ * @param len: length of buffer to digest.
+ * @param res: result stored here (must have sufficient space).
+ * @return false on failure.
+*/
+int secalgo_nsec3_hash(int algo, unsigned char* buf, size_t len,
+        unsigned char* res);
 
 /**
  * Return size of DS digest according to its hash algorithm.
@@ -76,7 +92,7 @@ int dnskey_algo_id_is_supported(int id);
  * @return secure if verification succeeded, bogus on crypto failure,
  *	unchecked on format errors and alloc failures.
  */
-enum sec_status verify_canonrrset(ldns_buffer* buf, int algo,
+enum sec_status verify_canonrrset(struct sldns_buffer* buf, int algo,
 	unsigned char* sigblock, unsigned int sigblock_len,
 	unsigned char* key, unsigned int keylen, char** reason);
 
diff --git a/usr.sbin/unbound/validator/val_sigcrypt.c b/usr.sbin/unbound/validator/val_sigcrypt.c
index a2f12652938..1dd07b420bd 100644
--- a/usr.sbin/unbound/validator/val_sigcrypt.c
+++ b/usr.sbin/unbound/validator/val_sigcrypt.c
@@ -57,7 +57,7 @@
 #include "sldns/wire2str.h"
 
 #include <ctype.h>
-#if !defined(HAVE_SSL) && !defined(HAVE_NSS)
+#if !defined(HAVE_SSL) && !defined(HAVE_NSS) && !defined(HAVE_NETTLE)
 #error "Need crypto library to do digital signature cryptography"
 #endif