ServiceRegistration/test/tests/srpl-host-2ir.c - mDNSResponder - Git at Google

 /* srpl-host-2ir.c
  *
  * Copyright (c) 2023-2024 Apple Inc. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     https://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  * Test: Single host registration, two instances
  */

 #include "srp.h"
 #include <dns_sd.h>
 #include "srp-test-runner.h"
 #include "srp-api.h"
 #include "dns-msg.h"
 #include "ioloop.h"
 #include "srp-mdns-proxy.h"
 #include "test-api.h"
 #include "srp-proxy.h"
 #include "srp-mdns-proxy.h"
 #include "test-dnssd.h"
 #include "test.h"
 #include "srp-replication.h"
 #include "test-packet.h"
 #include "srp-proxy.h"
 #include "dns-msg.h"

 static void
 test_srpl_host_2ir_advertise_finished(test_state_t *state)
 {
     // dns_service_dump_unexpected_events(state, state->primary);

     // Check for a DNSServiceRegosterRecord for both an AAAA record and a KEY record, we don't care which order.
     dns_service_event_t *regrec_1 =
         dns_service_find_first_register_record_event_by_name(state->primary, TEST_HOST_NAME_REGISTERED);
     TEST_FAIL_CHECK(state, regrec_1 != NULL, "found zero register record events");
     regrec_1->consumed = true;
     dns_service_event_t *regrec_2 =
         dns_service_find_first_register_record_event_by_name(state->primary, TEST_HOST_NAME_REGISTERED);
     TEST_FAIL_CHECK(state, regrec_1 != NULL, "found only one register record event");
     regrec_2->consumed = true;
     TEST_FAIL_CHECK(state,
                     ((regrec_1->rrtype == dns_rrtype_aaaa && regrec_2->rrtype == dns_rrtype_key) ||
                      (regrec_2->rrtype == dns_rrtype_aaaa && regrec_1->rrtype == dns_rrtype_key)),
                     "didn't find a KEY and an AAAA record register event");
     TEST_FAIL_CHECK(state, regrec_1->status == kDNSServiceErr_NoError,
                     "DNSServiceRegisterRecord failed when it should have succeeded.");
     TEST_FAIL_CHECK(state, regrec_2->status == kDNSServiceErr_NoError,
                     "DNSServiceRegisterRecord failed when it should have succeeded.");

     // We shouldn't see a register for the first instance, because it was removed subsequently.

     // We should see a register for the second instance.
     dns_service_event_t *reg2 =
         dns_service_find_first_register_event_by_name_and_type(state->primary, TEST_INSTANCE_NAME_2, TEST_SERVICE_TYPE);
     TEST_FAIL_CHECK(state, reg2 != NULL, "didn't find second register event");
     TEST_FAIL_CHECK(state, reg2->status == kDNSServiceErr_NoError,
                     "second DNSServiceRegister failed when it should have succeeded.");
     reg2->consumed = true;

     dns_service_event_t *rrcb_1 = dns_service_find_callback_for_registration(state->primary, regrec_1);
     TEST_FAIL_CHECK(state, rrcb_1 != NULL, "no register record callback for first register record");
     TEST_FAIL_CHECK(state, rrcb_1->status == kDNSServiceErr_NoError,
                     "DNSServiceRegisterRecord callback got an error when it should not have.");
     rrcb_1->consumed = true;
     dns_service_event_t *rrcb_2 = dns_service_find_callback_for_registration(state->primary, regrec_2);
     TEST_FAIL_CHECK(state, rrcb_2 != NULL, "no register record callback for second register record");
     TEST_FAIL_CHECK(state, rrcb_2->status == kDNSServiceErr_NoError,
                     "DNSServiceRegisterRecord callback got an error when it should not have.");
     rrcb_2->consumed = true;

     dns_service_event_t *regcb2 = dns_service_find_callback_for_registration(state->primary, reg2);
     TEST_FAIL_CHECK(state, regcb2 != NULL, "no register callback for second registered service");
     TEST_FAIL_CHECK(state, regcb2->status == kDNSServiceErr_NoError,
                     "second DNSServiceRegister callback got an error when it should not have.");
     regcb2->consumed = true;

     // We should now have consumed all of the events.
     TEST_FAIL_CHECK(state, dns_service_dump_unexpected_events(state, state->primary), "unexpected dnssd transactions remain");

     // If so, the test has passed.
     TEST_PASSED(state);
 }

 void
 test_srpl_host_2ir(test_state_t *next_test)
 {
     extern srp_server_t *srp_servers;
     const char *description =
         "  The goal of this test is to generate two DNS Update messages, both for the \n"
         "  same host. The first contains two instances. The second contains a remove for\n"
         "  one of the instances. The test then delivers both messages through the SRP\n"
         "  replication input path. We then intercept the update finished event and check\n"
         "  the results.";

     test_state_t *state = test_state_create(srp_servers, "SRPL two instance add, one instance remove test",
                                             NULL, description, NULL);
     srp_proxy_init("local");
     srp_test_enable_stub_router(state, srp_servers);
     srp_servers->srp_replication_enabled = true;
     state->next = next_test;

 	// Set up a SRP client state so that we can generate packets.
 	state->test_packet_state = test_packet_state_create(state, test_srpl_host_2ir_advertise_finished);

 	// Create a service to add to the packet.
     DNSServiceRef ref;
     char txt_buf[128];
     TXTRecordRef txt;

     TXTRecordCreate(&txt, sizeof(txt_buf), txt_buf);
     TXTRecordSetValue(&txt, "foo", 1, "1");
     TXTRecordSetValue(&txt, "bar", 3, "1.1");
     const char *txt_data = TXTRecordGetBytesPtr(&txt);
     int txt_len = TXTRecordGetLength(&txt);

     // Create a DNSSD client
     int ret = srp_client_register(&ref, 0 /* flags */, 0 /* interfaceIndex */,
                                   TEST_INSTANCE_NAME /* name */, TEST_SERVICE_TYPE /* regType */,
                                   NULL /* domain */, TEST_HOST_NAME /* host */, 1234, txt_len, txt_data,
                                   (DNSServiceRegisterReply)1, state);
     TEST_FAIL_CHECK_STATUS(state, ret == kDNSServiceErr_NoError, "srp_client_register returned %d", ret);

 	// Create a service to add to the packet.
     DNSServiceRef ref2;
     char txt_buf2[128];
     TXTRecordRef txt2;

     TXTRecordCreate(&txt2, sizeof(txt_buf2), txt_buf2);
     TXTRecordSetValue(&txt2, "blaznorf", 1, "1");
     TXTRecordSetValue(&txt2, "fnord", 3, "1.1");
     const char *txt_data2 = TXTRecordGetBytesPtr(&txt2);
     int txt_len2 = TXTRecordGetLength(&txt2);

     // Create a DNSSD client
     ret = srp_client_register(&ref2, 0 /* flags */, 0 /* interfaceIndex */,
                               TEST_INSTANCE_NAME_2 /* name */, TEST_SERVICE_TYPE /* regType */,
                               NULL /* domain */, TEST_HOST_NAME /* host */, 1234, txt_len2, txt_data2,
                               (DNSServiceRegisterReply)1, state);
     TEST_FAIL_CHECK_STATUS(state, ret == kDNSServiceErr_NoError, "srp_client_register returned %d", ret);
     test_packet_generate(state, 10, 10, false, false);

 	// Now remove a single instance.
 	srp_deregister_instance(ref);
     test_packet_generate(state, 10, 10, false, false);

     test_packet_start(state, false);

     // Test should not take longer than ten seconds.
     srp_test_state_add_timeout(state, 10);
 }

 // Local Variables:
 // mode: C
 // tab-width: 4
 // c-file-style: "bsd"
 // c-basic-offset: 4
 // fill-column: 108
 // indent-tabs-mode: nil
 // End:
	/* srpl-host-2ir.c
	*
	* Copyright (c) 2023-2024 Apple Inc. All rights reserved.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* https://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*
	* Test: Single host registration, two instances
	*/

	#include "srp.h"
	#include <dns_sd.h>
	#include "srp-test-runner.h"
	#include "srp-api.h"
	#include "dns-msg.h"
	#include "ioloop.h"
	#include "srp-mdns-proxy.h"
	#include "test-api.h"
	#include "srp-proxy.h"
	#include "srp-mdns-proxy.h"
	#include "test-dnssd.h"
	#include "test.h"
	#include "srp-replication.h"
	#include "test-packet.h"
	#include "srp-proxy.h"
	#include "dns-msg.h"

	static void
	test_srpl_host_2ir_advertise_finished(test_state_t *state)
	{
	// dns_service_dump_unexpected_events(state, state->primary);

	// Check for a DNSServiceRegosterRecord for both an AAAA record and a KEY record, we don't care which order.
	dns_service_event_t *regrec_1 =
	dns_service_find_first_register_record_event_by_name(state->primary, TEST_HOST_NAME_REGISTERED);
	TEST_FAIL_CHECK(state, regrec_1 != NULL, "found zero register record events");
	regrec_1->consumed = true;
	dns_service_event_t *regrec_2 =
	dns_service_find_first_register_record_event_by_name(state->primary, TEST_HOST_NAME_REGISTERED);
	TEST_FAIL_CHECK(state, regrec_1 != NULL, "found only one register record event");
	regrec_2->consumed = true;
	TEST_FAIL_CHECK(state,
	((regrec_1->rrtype == dns_rrtype_aaaa && regrec_2->rrtype == dns_rrtype_key) \|\|
	(regrec_2->rrtype == dns_rrtype_aaaa && regrec_1->rrtype == dns_rrtype_key)),
	"didn't find a KEY and an AAAA record register event");
	TEST_FAIL_CHECK(state, regrec_1->status == kDNSServiceErr_NoError,
	"DNSServiceRegisterRecord failed when it should have succeeded.");
	TEST_FAIL_CHECK(state, regrec_2->status == kDNSServiceErr_NoError,
	"DNSServiceRegisterRecord failed when it should have succeeded.");

	// We shouldn't see a register for the first instance, because it was removed subsequently.

	// We should see a register for the second instance.
	dns_service_event_t *reg2 =
	dns_service_find_first_register_event_by_name_and_type(state->primary, TEST_INSTANCE_NAME_2, TEST_SERVICE_TYPE);
	TEST_FAIL_CHECK(state, reg2 != NULL, "didn't find second register event");
	TEST_FAIL_CHECK(state, reg2->status == kDNSServiceErr_NoError,
	"second DNSServiceRegister failed when it should have succeeded.");
	reg2->consumed = true;

	dns_service_event_t *rrcb_1 = dns_service_find_callback_for_registration(state->primary, regrec_1);
	TEST_FAIL_CHECK(state, rrcb_1 != NULL, "no register record callback for first register record");
	TEST_FAIL_CHECK(state, rrcb_1->status == kDNSServiceErr_NoError,
	"DNSServiceRegisterRecord callback got an error when it should not have.");
	rrcb_1->consumed = true;
	dns_service_event_t *rrcb_2 = dns_service_find_callback_for_registration(state->primary, regrec_2);
	TEST_FAIL_CHECK(state, rrcb_2 != NULL, "no register record callback for second register record");
	TEST_FAIL_CHECK(state, rrcb_2->status == kDNSServiceErr_NoError,
	"DNSServiceRegisterRecord callback got an error when it should not have.");
	rrcb_2->consumed = true;

	dns_service_event_t *regcb2 = dns_service_find_callback_for_registration(state->primary, reg2);
	TEST_FAIL_CHECK(state, regcb2 != NULL, "no register callback for second registered service");
	TEST_FAIL_CHECK(state, regcb2->status == kDNSServiceErr_NoError,
	"second DNSServiceRegister callback got an error when it should not have.");
	regcb2->consumed = true;

	// We should now have consumed all of the events.
	TEST_FAIL_CHECK(state, dns_service_dump_unexpected_events(state, state->primary), "unexpected dnssd transactions remain");

	// If so, the test has passed.
	TEST_PASSED(state);
	}

	void
	test_srpl_host_2ir(test_state_t *next_test)
	{
	extern srp_server_t *srp_servers;
	const char *description =
	" The goal of this test is to generate two DNS Update messages, both for the \n"
	" same host. The first contains two instances. The second contains a remove for\n"
	" one of the instances. The test then delivers both messages through the SRP\n"
	" replication input path. We then intercept the update finished event and check\n"
	" the results.";

	test_state_t *state = test_state_create(srp_servers, "SRPL two instance add, one instance remove test",
	NULL, description, NULL);
	srp_proxy_init("local");
	srp_test_enable_stub_router(state, srp_servers);
	srp_servers->srp_replication_enabled = true;
	state->next = next_test;

	// Set up a SRP client state so that we can generate packets.
	state->test_packet_state = test_packet_state_create(state, test_srpl_host_2ir_advertise_finished);

	// Create a service to add to the packet.
	DNSServiceRef ref;
	char txt_buf[128];
	TXTRecordRef txt;

	TXTRecordCreate(&txt, sizeof(txt_buf), txt_buf);
	TXTRecordSetValue(&txt, "foo", 1, "1");
	TXTRecordSetValue(&txt, "bar", 3, "1.1");
	const char *txt_data = TXTRecordGetBytesPtr(&txt);
	int txt_len = TXTRecordGetLength(&txt);

	// Create a DNSSD client
	int ret = srp_client_register(&ref, 0 /* flags /, 0 / interfaceIndex */,
	TEST_INSTANCE_NAME /* name /, TEST_SERVICE_TYPE / regType */,
	NULL /* domain /, TEST_HOST_NAME / host */, 1234, txt_len, txt_data,
	(DNSServiceRegisterReply)1, state);
	TEST_FAIL_CHECK_STATUS(state, ret == kDNSServiceErr_NoError, "srp_client_register returned %d", ret);

	// Create a service to add to the packet.
	DNSServiceRef ref2;
	char txt_buf2[128];
	TXTRecordRef txt2;

	TXTRecordCreate(&txt2, sizeof(txt_buf2), txt_buf2);
	TXTRecordSetValue(&txt2, "blaznorf", 1, "1");
	TXTRecordSetValue(&txt2, "fnord", 3, "1.1");
	const char *txt_data2 = TXTRecordGetBytesPtr(&txt2);
	int txt_len2 = TXTRecordGetLength(&txt2);

	// Create a DNSSD client
	ret = srp_client_register(&ref2, 0 /* flags /, 0 / interfaceIndex */,
	TEST_INSTANCE_NAME_2 /* name /, TEST_SERVICE_TYPE / regType */,
	NULL /* domain /, TEST_HOST_NAME / host */, 1234, txt_len2, txt_data2,
	(DNSServiceRegisterReply)1, state);
	TEST_FAIL_CHECK_STATUS(state, ret == kDNSServiceErr_NoError, "srp_client_register returned %d", ret);
	test_packet_generate(state, 10, 10, false, false);

	// Now remove a single instance.
	srp_deregister_instance(ref);
	test_packet_generate(state, 10, 10, false, false);

	test_packet_start(state, false);

	// Test should not take longer than ten seconds.
	srp_test_state_add_timeout(state, 10);
	}

	// Local Variables:
	// mode: C
	// tab-width: 4
	// c-file-style: "bsd"
	// c-basic-offset: 4
	// fill-column: 108
	// indent-tabs-mode: nil
	// End: