1 files changed, 350 insertions, 0 deletions
diff --git a/bin/tests/optional/byname_test.c b/bin/tests/optional/byname_test.c
new file mode 100644
index 0000000..fa76973
--- /dev/null
+++ b/bin/tests/optional/byname_test.c
@@ -0,0 +1,350 @@
+/*
+ * 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
+ */
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/app.h>
+#include <isc/commandline.h>
+#include <isc/hash.h>
+#include <isc/managers.h>
+#include <isc/netaddr.h>
+#include <isc/print.h>
+#include <isc/task.h>
+#include <isc/timer.h>
+#include <isc/util.h>
+
+#include <dns/adb.h>
+#include <dns/cache.h>
+#include <dns/dispatch.h>
+#include <dns/events.h>
+#include <dns/forward.h>
+#include <dns/log.h>
+#include <dns/resolver.h>
+#include <dns/result.h>
+
+static isc_mem_t *mctx = NULL;
+static isc_nm_t *netmgr = NULL;
+static isc_taskmgr_t *taskmgr = NULL;
+static dns_view_t *view = NULL;
+static dns_adbfind_t *find = NULL;
+static isc_task_t *task = NULL;
+static dns_fixedname_t fixed;
+static dns_fixedname_t target;
+static isc_log_t *lctx = NULL;
+static isc_logconfig_t *lcfg = NULL;
+static unsigned int level = 0;
+
+static void
+adb_callback(isc_task_t *task, isc_event_t *event);
+
+static void
+log_init(void) {
+	isc_logdestination_t destination;
+	unsigned int flags;
+
+	/*
+	 * Setup a logging context.
+	 */
+	isc_log_create(mctx, &lctx, &lcfg);
+	isc_log_setcontext(lctx);
+	dns_log_init(lctx);
+	dns_log_setcontext(lctx);
+
+	/*
+	 * Create and install the default channel.
+	 */
+	destination.file.stream = stderr;
+	destination.file.name = NULL;
+	destination.file.versions = ISC_LOG_ROLLNEVER;
+	destination.file.maximum_size = 0;
+	flags = ISC_LOG_PRINTTIME;
+	isc_log_createchannel(lcfg, "_default", ISC_LOG_TOFILEDESC,
+			      ISC_LOG_DYNAMIC, &destination, flags);
+
+	RUNTIME_CHECK(isc_log_usechannel(lcfg, "_default", NULL, NULL) ==
+		      ISC_R_SUCCESS);
+	isc_log_setdebuglevel(lctx, level);
+}
+
+static void
+print_addresses(dns_adbfind_t *adbfind) {
+	dns_adbaddrinfo_t *address;
+
+	for (address = ISC_LIST_HEAD(adbfind->list); address != NULL;
+	     address = ISC_LIST_NEXT(address, publink))
+	{
+		isc_netaddr_t netaddr;
+		char text[ISC_NETADDR_FORMATSIZE];
+		isc_netaddr_fromsockaddr(&netaddr, &address->sockaddr);
+		isc_netaddr_format(&netaddr, text, sizeof(text));
+		printf("%s\n", text);
+	}
+}
+
+static void
+print_name(dns_name_t *name) {
+	char text[DNS_NAME_FORMATSIZE];
+
+	dns_name_format(name, text, sizeof(text));
+	printf("%s\n", text);
+}
+
+static void
+do_find(bool want_event) {
+	isc_result_t result;
+	bool done = false;
+	unsigned int options;
+
+	options = DNS_ADBFIND_INET | DNS_ADBFIND_INET6;
+	if (want_event) {
+		options |= DNS_ADBFIND_WANTEVENT | DNS_ADBFIND_EMPTYEVENT;
+	}
+	dns_fixedname_init(&target);
+	result = dns_adb_createfind(view->adb, task, adb_callback, NULL,
+				    dns_fixedname_name(&fixed), dns_rootname, 0,
+				    options, 0, dns_fixedname_name(&target), 0,
+				    0, NULL, &find);
+	if (result == ISC_R_SUCCESS) {
+		if (!ISC_LIST_EMPTY(find->list)) {
+			/*
+			 * We have at least some of the addresses for the
+			 * name.
+			 */
+			INSIST((find->options & DNS_ADBFIND_WANTEVENT) == 0);
+			print_addresses(find);
+			done = true;
+		} else {
+			/*
+			 * We don't know any of the addresses for this
+			 * name.
+			 */
+			if ((find->options & DNS_ADBFIND_WANTEVENT) == 0) {
+				/*
+				 * And ADB isn't going to send us any events
+				 * either.  This query loses.
+				 */
+				done = true;
+			}
+			/*
+			 * If the DNS_ADBFIND_WANTEVENT flag was set, we'll
+			 * get an event when something happens.
+			 */
+		}
+	} else if (result == DNS_R_ALIAS) {
+		print_name(dns_fixedname_name(&target));
+		done = true;
+	} else {
+		printf("dns_adb_createfind() returned %s\n",
+		       isc_result_totext(result));
+		done = true;
+	}
+
+	if (done) {
+		if (find != NULL) {
+			dns_adb_destroyfind(&find);
+		}
+		isc_app_shutdown();
+	}
+}
+
+static void
+adb_callback(isc_task_t *etask, isc_event_t *event) {
+	unsigned int type = event->ev_type;
+
+	REQUIRE(etask == task);
+
+	isc_event_free(&event);
+	dns_adb_destroyfind(&find);
+
+	if (type == DNS_EVENT_ADBMOREADDRESSES) {
+		do_find(false);
+	} else if (type == DNS_EVENT_ADBNOMOREADDRESSES) {
+		printf("no more addresses\n");
+		isc_app_shutdown();
+	} else {
+		printf("unexpected ADB event type %u\n", type);
+		isc_app_shutdown();
+	}
+}
+
+static void
+run(isc_task_t *xtask, isc_event_t *event) {
+	UNUSED(xtask);
+	do_find(true);
+	isc_event_free(&event);
+}
+
+int
+main(int argc, char *argv[]) {
+	bool verbose = false;
+	unsigned int workers = 2;
+	isc_timermgr_t *timermgr = NULL;
+	int ch;
+	isc_socketmgr_t *socketmgr = NULL;
+	dns_dispatchmgr_t *dispatchmgr = NULL;
+	dns_cache_t *cache = NULL;
+	isc_buffer_t b;
+
+	RUNTIME_CHECK(isc_app_start() == ISC_R_SUCCESS);
+
+	dns_result_register();
+
+	isc_mem_create(&mctx);
+
+	while ((ch = isc_commandline_parse(argc, argv, "d:vw:")) != -1) {
+		switch (ch) {
+		case 'd':
+			level = (unsigned int)atoi(isc_commandline_argument);
+			break;
+		case 'v':
+			verbose = true;
+			break;
+		case 'w':
+			workers = (unsigned int)atoi(isc_commandline_argument);
+			break;
+		}
+	}
+
+	log_init();
+
+	if (verbose) {
+		printf("%u workers\n", workers);
+		printf("IPv4: %s\n", isc_result_totext(isc_net_probeipv4()));
+		printf("IPv6: %s\n", isc_result_totext(isc_net_probeipv6()));
+	}
+
+	RUNTIME_CHECK(isc_managers_create(mctx, workers, 0, &netmgr,
+					  &taskmgr) == ISC_R_SUCCESS);
+	RUNTIME_CHECK(isc_task_create(taskmgr, 0, &task) == ISC_R_SUCCESS);
+	isc_task_setname(task, "byname", NULL);
+
+	RUNTIME_CHECK(dns_dispatchmgr_create(mctx, &dispatchmgr) ==
+		      ISC_R_SUCCESS);
+
+	RUNTIME_CHECK(isc_timermgr_create(mctx, &timermgr) == ISC_R_SUCCESS);
+	RUNTIME_CHECK(isc_socketmgr_create(mctx, &socketmgr) == ISC_R_SUCCESS);
+
+	RUNTIME_CHECK(dns_cache_create(mctx, mctx, taskmgr, timermgr,
+				       dns_rdataclass_in, "", "rbt", 0, NULL,
+				       &cache) == ISC_R_SUCCESS);
+
+	RUNTIME_CHECK(dns_view_create(mctx, dns_rdataclass_in, "default",
+				      &view) == ISC_R_SUCCESS);
+
+	{
+		unsigned int attrs;
+		dns_dispatch_t *disp4 = NULL;
+		dns_dispatch_t *disp6 = NULL;
+
+		if (isc_net_probeipv4() == ISC_R_SUCCESS) {
+			isc_sockaddr_t any4;
+			isc_sockaddr_any(&any4);
+
+			attrs = DNS_DISPATCHATTR_IPV4 | DNS_DISPATCHATTR_UDP;
+			RUNTIME_CHECK(
+				dns_dispatch_getudp(dispatchmgr, socketmgr,
+						    taskmgr, &any4, 512, 6,
+						    1024, 17, 19, attrs, attrs,
+						    &disp4) == ISC_R_SUCCESS);
+			INSIST(disp4 != NULL);
+		}
+
+		if (isc_net_probeipv6() == ISC_R_SUCCESS) {
+			isc_sockaddr_t any6;
+
+			isc_sockaddr_any6(&any6);
+
+			attrs = DNS_DISPATCHATTR_IPV6 | DNS_DISPATCHATTR_UDP;
+			RUNTIME_CHECK(
+				dns_dispatch_getudp(dispatchmgr, socketmgr,
+						    taskmgr, &any6, 512, 6,
+						    1024, 17, 19, attrs, attrs,
+						    &disp6) == ISC_R_SUCCESS);
+			INSIST(disp6 != NULL);
+		}
+
+		RUNTIME_CHECK(dns_view_createresolver(view, taskmgr, 10, 1,
+						      socketmgr, timermgr, 0,
+						      dispatchmgr, disp4,
+						      disp6) == ISC_R_SUCCESS);
+
+		if (disp4 != NULL) {
+			dns_dispatch_detach(&disp4);
+		}
+		if (disp6 != NULL) {
+			dns_dispatch_detach(&disp6);
+		}
+	}
+
+	{
+		struct in_addr ina;
+		isc_sockaddr_t sa;
+		isc_sockaddrlist_t sal;
+
+		ISC_LIST_INIT(sal);
+		ina.s_addr = inet_addr("127.0.0.1");
+		isc_sockaddr_fromin(&sa, &ina, 53);
+		ISC_LIST_APPEND(sal, &sa, link);
+
+		REQUIRE(DNS_VIEW_VALID(view));
+		RUNTIME_CHECK(dns_fwdtable_add(view->fwdtable, dns_rootname,
+					       &sal, dns_fwdpolicy_only) ==
+			      ISC_R_SUCCESS);
+	}
+
+	dns_view_setcache(view, cache, false);
+	dns_view_freeze(view);
+
+	dns_cache_detach(&cache);
+
+	printf("name = %s\n", argv[isc_commandline_index]);
+	isc_buffer_init(&b, argv[isc_commandline_index],
+			strlen(argv[isc_commandline_index]));
+	isc_buffer_add(&b, strlen(argv[isc_commandline_index]));
+	dns_fixedname_init(&fixed);
+	dns_fixedname_init(&target);
+	RUNTIME_CHECK(dns_name_fromtext(dns_fixedname_name(&fixed), &b,
+					dns_rootname, 0,
+					NULL) == ISC_R_SUCCESS);
+
+	RUNTIME_CHECK(isc_app_onrun(mctx, task, run, NULL) == ISC_R_SUCCESS);
+
+	(void)isc_app_run();
+
+	dns_view_detach(&view);
+	isc_task_shutdown(task);
+	isc_task_detach(&task);
+
+	dns_dispatchmgr_destroy(&dispatchmgr);
+
+	isc_managers_destroy(&netmgr, &taskmgr);
+
+	isc_socketmgr_destroy(&socketmgr);
+	isc_timermgr_destroy(&timermgr);
+
+	isc_log_destroy(&lctx);
+
+	if (verbose) {
+		isc_mem_stats(mctx, stdout);
+	}
+	isc_mem_destroy(&mctx);
+
+	isc_app_finish();
+
+	return (0);
+}