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-rw-r--r--bin/tests/system/hooks/clean.sh16
-rw-r--r--bin/tests/system/hooks/driver/Makefile.am12
-rw-r--r--bin/tests/system/hooks/driver/Makefile.in775
-rw-r--r--bin/tests/system/hooks/driver/test-async.c348
-rw-r--r--bin/tests/system/hooks/ns1/example.db21
-rw-r--r--bin/tests/system/hooks/ns1/named.conf.in41
-rw-r--r--bin/tests/system/hooks/setup.sh16
-rw-r--r--bin/tests/system/hooks/tests_async_plugin.py27
8 files changed, 1256 insertions, 0 deletions
diff --git a/bin/tests/system/hooks/clean.sh b/bin/tests/system/hooks/clean.sh
new file mode 100644
index 0000000..83463eb
--- /dev/null
+++ b/bin/tests/system/hooks/clean.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */named.run
+rm -f */named.conf
+rm -f */named.memstats
diff --git a/bin/tests/system/hooks/driver/Makefile.am b/bin/tests/system/hooks/driver/Makefile.am
new file mode 100644
index 0000000..b0c4b79
--- /dev/null
+++ b/bin/tests/system/hooks/driver/Makefile.am
@@ -0,0 +1,12 @@
+include $(top_srcdir)/Makefile.top
+
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+ $(LIBNS_CFLAGS) \
+ $(LIBISCCFG_CFLAGS)
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+
+test_async_la_SOURCES = test-async.c
+test_async_la_LDFLAGS = -avoid-version -module -shared -export-dynamic -rpath $(abs_builddir)
diff --git a/bin/tests/system/hooks/driver/Makefile.in b/bin/tests/system/hooks/driver/Makefile.in
new file mode 100644
index 0000000..f97a712
--- /dev/null
+++ b/bin/tests/system/hooks/driver/Makefile.in
@@ -0,0 +1,775 @@
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+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstLTLIBRARIES:
+ -test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+ @list='$(noinst_LTLIBRARIES)'; \
+ locs=`for p in $$list; do echo $$p; done | \
+ sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+ sort -u`; \
+ test -z "$$locs" || { \
+ echo rm -f $${locs}; \
+ rm -f $${locs}; \
+ }
+
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+ $(AM_V_CCLD)$(test_async_la_LINK) $(test_async_la_OBJECTS) $(test_async_la_LIBADD) $(LIBS)
+
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+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/test-async.Plo@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
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+ @echo '# dummy' >$@-t && $(am__mv) $@-t $@
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+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
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+@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@ $(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+ $(am__define_uniq_tagged_files); \
+ shift; \
+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ if test $$# -gt 0; then \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ "$$@" $$unique; \
+ else \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$unique; \
+ fi; \
+ fi
+ctags: ctags-am
+
+CTAGS: ctags
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+ $(am__define_uniq_tagged_files); \
+ test -z "$(CTAGS_ARGS)$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$unique
+
+GTAGS:
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+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
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+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+ $(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
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+ */*) $(MKDIR_P) `echo "$$dist_files" | \
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+ sort -u` ;; \
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+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
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+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
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+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
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+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/bin/tests/system/hooks/driver/test-async.c b/bin/tests/system/hooks/driver/test-async.c
new file mode 100644
index 0000000..652b671
--- /dev/null
+++ b/bin/tests/system/hooks/driver/test-async.c
@@ -0,0 +1,348 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+/* aliases for the exported symbols */
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include <isc/buffer.h>
+#include <isc/hash.h>
+#include <isc/ht.h>
+#include <isc/log.h>
+#include <isc/mem.h>
+#include <isc/netaddr.h>
+#include <isc/result.h>
+#include <isc/types.h>
+#include <isc/util.h>
+
+#include <ns/client.h>
+#include <ns/events.h>
+#include <ns/hooks.h>
+#include <ns/log.h>
+#include <ns/query.h>
+#include <ns/types.h>
+
+#define CHECK(op) \
+ do { \
+ result = (op); \
+ if (result != ISC_R_SUCCESS) { \
+ goto cleanup; \
+ } \
+ } while (0)
+
+/*
+ * Persistent data for use by this module. This will be associated
+ * with client object address in the hash table, and will remain
+ * accessible until the client object is detached.
+ */
+typedef struct async_instance {
+ ns_plugin_t *module;
+ isc_mem_t *mctx;
+ isc_ht_t *ht;
+ isc_mutex_t hlock;
+ isc_log_t *lctx;
+} async_instance_t;
+
+typedef struct state {
+ bool async;
+ ns_hook_resevent_t *rev;
+ ns_hookpoint_t hookpoint;
+ isc_result_t origresult;
+} state_t;
+
+/*
+ * Forward declarations of functions referenced in install_hooks().
+ */
+static ns_hookresult_t
+async_qctx_initialize(void *arg, void *cbdata, isc_result_t *resp);
+static ns_hookresult_t
+async_query_done_begin(void *arg, void *cbdata, isc_result_t *resp);
+static ns_hookresult_t
+async_qctx_destroy(void *arg, void *cbdata, isc_result_t *resp);
+
+/*%
+ * Register the functions to be called at each hook point in 'hooktable', using
+ * memory context 'mctx' for allocating copies of stack-allocated structures
+ * passed to ns_hook_add(). Make sure 'inst' will be passed as the 'cbdata'
+ * argument to every callback.
+ */
+static void
+install_hooks(ns_hooktable_t *hooktable, isc_mem_t *mctx,
+ async_instance_t *inst) {
+ const ns_hook_t async_init = {
+ .action = async_qctx_initialize,
+ .action_data = inst,
+ };
+ const ns_hook_t async_donebegin = {
+ .action = async_query_done_begin,
+ .action_data = inst,
+ };
+ const ns_hook_t async_destroy = {
+ .action = async_qctx_destroy,
+ .action_data = inst,
+ };
+
+ ns_hook_add(hooktable, mctx, NS_QUERY_QCTX_INITIALIZED, &async_init);
+ ns_hook_add(hooktable, mctx, NS_QUERY_DONE_BEGIN, &async_donebegin);
+ ns_hook_add(hooktable, mctx, NS_QUERY_QCTX_DESTROYED, &async_destroy);
+}
+
+static void
+logmsg(const char *fmt, ...) {
+ va_list ap;
+
+ va_start(ap, fmt);
+ isc_log_write(ns_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_HOOKS,
+ ISC_LOG_INFO, fmt, ap);
+ va_end(ap);
+}
+
+/**
+** Mandatory plugin API functions:
+**
+** - plugin_destroy
+** - plugin_register
+** - plugin_version
+** - plugin_check
+**/
+
+/*
+ * Called by ns_plugin_register() to initialize the plugin and
+ * register hook functions into the view hook table.
+ */
+isc_result_t
+plugin_register(const char *parameters, const void *cfg, const char *cfg_file,
+ unsigned long cfg_line, isc_mem_t *mctx, isc_log_t *lctx,
+ void *actx, ns_hooktable_t *hooktable, void **instp) {
+ async_instance_t *inst = NULL;
+
+ UNUSED(parameters);
+ UNUSED(cfg);
+ UNUSED(actx);
+
+ isc_log_write(lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_HOOKS,
+ ISC_LOG_INFO,
+ "registering 'test-async' module from %s:%lu", cfg_file,
+ cfg_line);
+
+ inst = isc_mem_get(mctx, sizeof(*inst));
+ *inst = (async_instance_t){ .mctx = NULL };
+ isc_mem_attach(mctx, &inst->mctx);
+
+ isc_ht_init(&inst->ht, mctx, 16, ISC_HT_CASE_SENSITIVE);
+ isc_mutex_init(&inst->hlock);
+
+ /*
+ * Set hook points in the view's hooktable.
+ */
+ install_hooks(hooktable, mctx, inst);
+
+ *instp = inst;
+
+ return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+plugin_check(const char *parameters, const void *cfg, const char *cfg_file,
+ unsigned long cfg_line, isc_mem_t *mctx, isc_log_t *lctx,
+ void *actx) {
+ UNUSED(parameters);
+ UNUSED(cfg);
+ UNUSED(cfg_file);
+ UNUSED(cfg_line);
+ UNUSED(mctx);
+ UNUSED(lctx);
+ UNUSED(actx);
+
+ return (ISC_R_SUCCESS);
+}
+
+/*
+ * Called by ns_plugins_free(); frees memory allocated by
+ * the module when it was registered.
+ */
+void
+plugin_destroy(void **instp) {
+ async_instance_t *inst = (async_instance_t *)*instp;
+
+ if (inst->ht != NULL) {
+ isc_ht_destroy(&inst->ht);
+ isc_mutex_destroy(&inst->hlock);
+ }
+
+ isc_mem_putanddetach(&inst->mctx, inst, sizeof(*inst));
+ *instp = NULL;
+
+ return;
+}
+
+/*
+ * Returns plugin API version for compatibility checks.
+ */
+int
+plugin_version(void) {
+ return (NS_PLUGIN_VERSION);
+}
+
+static state_t *
+client_state_get(const query_ctx_t *qctx, async_instance_t *inst) {
+ state_t *state = NULL;
+ isc_result_t result;
+
+ LOCK(&inst->hlock);
+ result = isc_ht_find(inst->ht, (const unsigned char *)&qctx->client,
+ sizeof(qctx->client), (void **)&state);
+ UNLOCK(&inst->hlock);
+
+ return (result == ISC_R_SUCCESS ? state : NULL);
+}
+
+static void
+client_state_create(const query_ctx_t *qctx, async_instance_t *inst) {
+ state_t *state = NULL;
+ isc_result_t result;
+
+ state = isc_mem_get(inst->mctx, sizeof(*state));
+ *state = (state_t){ .async = false };
+
+ LOCK(&inst->hlock);
+ result = isc_ht_add(inst->ht, (const unsigned char *)&qctx->client,
+ sizeof(qctx->client), state);
+ UNLOCK(&inst->hlock);
+ RUNTIME_CHECK(result == ISC_R_SUCCESS);
+}
+
+static void
+client_state_destroy(const query_ctx_t *qctx, async_instance_t *inst) {
+ state_t *state = client_state_get(qctx, inst);
+ isc_result_t result;
+
+ if (state == NULL) {
+ return;
+ }
+
+ LOCK(&inst->hlock);
+ result = isc_ht_delete(inst->ht, (const unsigned char *)&qctx->client,
+ sizeof(qctx->client));
+ UNLOCK(&inst->hlock);
+ RUNTIME_CHECK(result == ISC_R_SUCCESS);
+
+ isc_mem_put(inst->mctx, state, sizeof(*state));
+}
+
+static ns_hookresult_t
+async_qctx_initialize(void *arg, void *cbdata, isc_result_t *resp) {
+ query_ctx_t *qctx = (query_ctx_t *)arg;
+ async_instance_t *inst = (async_instance_t *)cbdata;
+ state_t *state = NULL;
+
+ logmsg("qctx init hook");
+ *resp = ISC_R_UNSET;
+
+ state = client_state_get(qctx, inst);
+ if (state == NULL) {
+ client_state_create(qctx, inst);
+ }
+
+ return (NS_HOOK_CONTINUE);
+}
+
+static void
+cancelasync(ns_hookasync_t *hctx) {
+ UNUSED(hctx);
+ logmsg("cancelasync");
+}
+
+static void
+destroyasync(ns_hookasync_t **ctxp) {
+ ns_hookasync_t *ctx = *ctxp;
+
+ logmsg("destroyasync");
+ *ctxp = NULL;
+ isc_mem_putanddetach(&ctx->mctx, ctx, sizeof(*ctx));
+}
+
+static isc_result_t
+doasync(query_ctx_t *qctx, isc_mem_t *mctx, void *arg, isc_task_t *task,
+ isc_taskaction_t action, void *evarg, ns_hookasync_t **ctxp) {
+ ns_hook_resevent_t *rev = (ns_hook_resevent_t *)isc_event_allocate(
+ mctx, task, NS_EVENT_HOOKASYNCDONE, action, evarg,
+ sizeof(*rev));
+ ns_hookasync_t *ctx = isc_mem_get(mctx, sizeof(*ctx));
+ state_t *state = (state_t *)arg;
+
+ logmsg("doasync");
+ *ctx = (ns_hookasync_t){ .mctx = NULL };
+ isc_mem_attach(mctx, &ctx->mctx);
+ ctx->cancel = cancelasync;
+ ctx->destroy = destroyasync;
+
+ rev->hookpoint = state->hookpoint;
+ rev->origresult = state->origresult;
+ qctx->result = DNS_R_NOTIMP;
+ rev->saved_qctx = qctx;
+ rev->ctx = ctx;
+
+ state->rev = rev;
+
+ isc_task_send(task, (isc_event_t **)&rev);
+
+ *ctxp = ctx;
+ return (ISC_R_SUCCESS);
+}
+
+static ns_hookresult_t
+async_query_done_begin(void *arg, void *cbdata, isc_result_t *resp) {
+ query_ctx_t *qctx = (query_ctx_t *)arg;
+ async_instance_t *inst = (async_instance_t *)cbdata;
+ state_t *state = client_state_get(qctx, inst);
+
+ UNUSED(qctx);
+ UNUSED(cbdata);
+ UNUSED(state);
+
+ logmsg("done begin hook");
+ if (state->async) {
+ /* resuming */
+ state->async = false;
+ return (NS_HOOK_CONTINUE);
+ }
+
+ /* initial call */
+ state->async = true;
+ state->hookpoint = NS_QUERY_DONE_BEGIN;
+ state->origresult = *resp;
+ ns_query_hookasync(qctx, doasync, state);
+ return (NS_HOOK_RETURN);
+}
+
+static ns_hookresult_t
+async_qctx_destroy(void *arg, void *cbdata, isc_result_t *resp) {
+ query_ctx_t *qctx = (query_ctx_t *)arg;
+ async_instance_t *inst = (async_instance_t *)cbdata;
+
+ logmsg("qctx destroy hook");
+ *resp = ISC_R_UNSET;
+
+ if (!qctx->detach_client) {
+ return (NS_HOOK_CONTINUE);
+ }
+
+ client_state_destroy(qctx, inst);
+
+ return (NS_HOOK_CONTINUE);
+}
diff --git a/bin/tests/system/hooks/ns1/example.db b/bin/tests/system/hooks/ns1/example.db
new file mode 100644
index 0000000..1d7173f
--- /dev/null
+++ b/bin/tests/system/hooks/ns1/example.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0. If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 120
+@ SOA ns.unsigned. hostmaster.ns.unsigned. ( 1 3600 1200 604800 60 )
+@ NS ns
+@ MX 10 mx
+
+ns A 10.53.0.1
+ AAAA fd92:7065:b8e:ffff::1
+
+a A 1.1.1.1
+mx A 2.2.2.2
diff --git a/bin/tests/system/hooks/ns1/named.conf.in b/bin/tests/system/hooks/ns1/named.conf.in
new file mode 100644
index 0000000..956bf41
--- /dev/null
+++ b/bin/tests/system/hooks/ns1/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+ query-source address 10.53.0.1;
+ notify-source 10.53.0.1;
+ transfer-source 10.53.0.1;
+ port @PORT@;
+ pid-file "named.pid";
+ listen-on { 10.53.0.1; };
+ recursion no;
+ dnssec-validation yes;
+ notify yes;
+ minimal-responses no;
+};
+
+plugin query "../driver/.libs/test-async.so";
+
+key rndc_key {
+ secret "1234abcd8765";
+ algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+ inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "example.com" {
+ type primary;
+ file "example.db";
+};
diff --git a/bin/tests/system/hooks/setup.sh b/bin/tests/system/hooks/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/hooks/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/hooks/tests_async_plugin.py b/bin/tests/system/hooks/tests_async_plugin.py
new file mode 100644
index 0000000..2f42e27
--- /dev/null
+++ b/bin/tests/system/hooks/tests_async_plugin.py
@@ -0,0 +1,27 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import pytest
+
+pytest.importorskip("dns")
+import dns.message
+import dns.query
+import dns.rcode
+
+
+def test_async_hook(named_port):
+ msg = dns.message.make_query(
+ "example.com.",
+ "A",
+ )
+ ans = dns.query.udp(msg, "10.53.0.1", timeout=10, port=named_port)
+ # the test-async plugin changes the status of any positive answer to NOTIMP
+ assert ans.rcode() == dns.rcode.NOTIMP