示例#1
0
文件: tsigconf.c 项目: 274914765/C
isc_result_t
ns_tsigkeyring_fromconfig (const cfg_obj_t * config, const cfg_obj_t * vconfig,
                           isc_mem_t * mctx, dns_tsig_keyring_t ** ringp)
{
    const cfg_obj_t *maps[3];

    const cfg_obj_t *keylist;

    dns_tsig_keyring_t *ring = NULL;

    isc_result_t result;

    int i;

    REQUIRE (ringp != NULL && *ringp == NULL);

    i = 0;
    if (config != NULL)
        maps[i++] = config;
    if (vconfig != NULL)
        maps[i++] = cfg_tuple_get (vconfig, "options");
    maps[i] = NULL;

    result = dns_tsigkeyring_create (mctx, &ring);
    if (result != ISC_R_SUCCESS)
        return (result);

    for (i = 0;; i++)
    {
        if (maps[i] == NULL)
            break;
        keylist = NULL;
        result = cfg_map_get (maps[i], "key", &keylist);
        if (result != ISC_R_SUCCESS)
            continue;
        result = add_initial_keys (keylist, ring, mctx);
        if (result != ISC_R_SUCCESS)
            goto failure;
    }

    *ringp = ring;
    return (ISC_R_SUCCESS);

  failure:
    dns_tsigkeyring_detach (&ring);
    return (result);
}
示例#2
0
文件: view.c 项目: enukane/netbsd-src
isc_result_t
dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
		const char *name, dns_view_t **viewp)
{
	dns_view_t *view;
	isc_result_t result;

	/*
	 * Create a view.
	 */

	REQUIRE(name != NULL);
	REQUIRE(viewp != NULL && *viewp == NULL);

	view = isc_mem_get(mctx, sizeof(*view));
	if (view == NULL)
		return (ISC_R_NOMEMORY);

	view->mctx = NULL;
	isc_mem_attach(mctx, &view->mctx);
	view->name = isc_mem_strdup(mctx, name);
	if (view->name == NULL) {
		result = ISC_R_NOMEMORY;
		goto cleanup_view;
	}
	result = isc_mutex_init(&view->lock);
	if (result != ISC_R_SUCCESS)
		goto cleanup_name;

	view->zonetable = NULL;
	if (isc_bind9) {
		result = dns_zt_create(mctx, rdclass, &view->zonetable);
		if (result != ISC_R_SUCCESS) {
			UNEXPECTED_ERROR(__FILE__, __LINE__,
					 "dns_zt_create() failed: %s",
					 isc_result_totext(result));
			result = ISC_R_UNEXPECTED;
			goto cleanup_mutex;
		}
	}
	view->secroots_priv = NULL;
	view->fwdtable = NULL;
	result = dns_fwdtable_create(mctx, &view->fwdtable);
	if (result != ISC_R_SUCCESS) {
		UNEXPECTED_ERROR(__FILE__, __LINE__,
				 "dns_fwdtable_create() failed: %s",
				 isc_result_totext(result));
		result = ISC_R_UNEXPECTED;
		goto cleanup_zt;
	}

	view->acache = NULL;
	view->cache = NULL;
	view->cachedb = NULL;
	ISC_LIST_INIT(view->dlz_searched);
	ISC_LIST_INIT(view->dlz_unsearched);
	view->hints = NULL;
	view->resolver = NULL;
	view->adb = NULL;
	view->requestmgr = NULL;
	view->rdclass = rdclass;
	view->frozen = ISC_FALSE;
	view->task = NULL;
	result = isc_refcount_init(&view->references, 1);
	if (result != ISC_R_SUCCESS)
		goto cleanup_fwdtable;
	view->weakrefs = 0;
	view->attributes = (DNS_VIEWATTR_RESSHUTDOWN|DNS_VIEWATTR_ADBSHUTDOWN|
			    DNS_VIEWATTR_REQSHUTDOWN);
	view->statickeys = NULL;
	view->dynamickeys = NULL;
	view->matchclients = NULL;
	view->matchdestinations = NULL;
	view->matchrecursiveonly = ISC_FALSE;
	result = dns_tsigkeyring_create(view->mctx, &view->dynamickeys);
	if (result != ISC_R_SUCCESS)
		goto cleanup_references;
	view->peers = NULL;
	view->order = NULL;
	view->delonly = NULL;
	view->rootdelonly = ISC_FALSE;
	view->rootexclude = NULL;
	view->adbstats = NULL;
	view->resstats = NULL;
	view->resquerystats = NULL;
	view->cacheshared = ISC_FALSE;
	ISC_LIST_INIT(view->dns64);
	view->dns64cnt = 0;

	/*
	 * Initialize configuration data with default values.
	 */
	view->recursion = ISC_TRUE;
	view->auth_nxdomain = ISC_FALSE; /* Was true in BIND 8 */
	view->additionalfromcache = ISC_TRUE;
	view->additionalfromauth = ISC_TRUE;
	view->enablednssec = ISC_TRUE;
	view->enablevalidation = ISC_TRUE;
	view->acceptexpired = ISC_FALSE;
	view->minimalresponses = ISC_FALSE;
	view->transfer_format = dns_one_answer;
	view->cacheacl = NULL;
	view->cacheonacl = NULL;
	view->queryacl = NULL;
	view->queryonacl = NULL;
	view->recursionacl = NULL;
	view->recursiononacl = NULL;
	view->sortlist = NULL;
	view->transferacl = NULL;
	view->notifyacl = NULL;
	view->updateacl = NULL;
	view->upfwdacl = NULL;
	view->denyansweracl = NULL;
	view->nocasecompress = NULL;
	view->answeracl_exclude = NULL;
	view->denyanswernames = NULL;
	view->answernames_exclude = NULL;
	view->rrl = NULL;
	view->provideixfr = ISC_TRUE;
	view->maxcachettl = 7 * 24 * 3600;
	view->maxncachettl = 3 * 3600;
	view->dstport = 53;
	view->preferred_glue = 0;
	view->flush = ISC_FALSE;
	view->dlv = NULL;
	view->maxudp = 0;
	view->situdp = 0;
	view->maxbits = 0;
	view->v4_aaaa = dns_aaaa_ok;
	view->v6_aaaa = dns_aaaa_ok;
	view->aaaa_acl = NULL;
	view->rpzs = NULL;
	dns_fixedname_init(&view->dlv_fixed);
	view->managed_keys = NULL;
	view->redirect = NULL;
	view->requestnsid = ISC_FALSE;
	view->requestsit = ISC_TRUE;
	view->new_zone_file = NULL;
	view->new_zone_config = NULL;
	view->cfg_destroy = NULL;

	if (isc_bind9) {
		result = dns_order_create(view->mctx, &view->order);
		if (result != ISC_R_SUCCESS)
			goto cleanup_dynkeys;
	}

	result = dns_peerlist_new(view->mctx, &view->peers);
	if (result != ISC_R_SUCCESS)
		goto cleanup_order;

	result = dns_aclenv_init(view->mctx, &view->aclenv);
	if (result != ISC_R_SUCCESS)
		goto cleanup_peerlist;

	ISC_LINK_INIT(view, link);
	ISC_EVENT_INIT(&view->resevent, sizeof(view->resevent), 0, NULL,
		       DNS_EVENT_VIEWRESSHUTDOWN, resolver_shutdown,
		       view, NULL, NULL, NULL);
	ISC_EVENT_INIT(&view->adbevent, sizeof(view->adbevent), 0, NULL,
		       DNS_EVENT_VIEWADBSHUTDOWN, adb_shutdown,
		       view, NULL, NULL, NULL);
	ISC_EVENT_INIT(&view->reqevent, sizeof(view->reqevent), 0, NULL,
		       DNS_EVENT_VIEWREQSHUTDOWN, req_shutdown,
		       view, NULL, NULL, NULL);
	view->viewlist = NULL;
	view->magic = DNS_VIEW_MAGIC;

	*viewp = view;

	return (ISC_R_SUCCESS);

 cleanup_peerlist:
	if (view->peers != NULL)
		dns_peerlist_detach(&view->peers);

 cleanup_order:
	if (view->order != NULL)
		dns_order_detach(&view->order);

 cleanup_dynkeys:
	if (view->dynamickeys != NULL)
		dns_tsigkeyring_detach(&view->dynamickeys);

 cleanup_references:
	isc_refcount_destroy(&view->references);

 cleanup_fwdtable:
	if (view->fwdtable != NULL)
		dns_fwdtable_destroy(&view->fwdtable);

 cleanup_zt:
	if (view->zonetable != NULL)
		dns_zt_detach(&view->zonetable);

 cleanup_mutex:
	DESTROYLOCK(&view->lock);

 cleanup_name:
	isc_mem_free(mctx, view->name);

 cleanup_view:
	isc_mem_putanddetach(&view->mctx, view, sizeof(*view));

	return (result);
}
示例#3
0
int
main(int argc, char *argv[]) {
	char *ourkeyname;
	isc_taskmgr_t *taskmgr;
	isc_timermgr_t *timermgr;
	isc_socketmgr_t *socketmgr;
	isc_socket_t *sock;
	unsigned int attrs, attrmask;
	isc_sockaddr_t bind_any;
	dns_dispatchmgr_t *dispatchmgr;
	dns_dispatch_t *dispatchv4;
	dns_view_t *view;
	isc_entropy_t *ectx;
	dns_tkeyctx_t *tctx;
	isc_log_t *log;
	isc_logconfig_t *logconfig;
	isc_task_t *task;
	isc_result_t result;
	int type;

	RUNCHECK(isc_app_start());

	if (argc < 2) {
		fprintf(stderr, "I:no DH key provided\n");
		exit(-1);
	}
	ourkeyname = argv[1];

	if (argc >= 3)
		ownername_str = argv[2];

	dns_result_register();

	mctx = NULL;
	RUNCHECK(isc_mem_create(0, 0, &mctx));

	ectx = NULL;
	RUNCHECK(isc_entropy_create(mctx, &ectx));
	RUNCHECK(isc_entropy_createfilesource(ectx, "random.data"));
	RUNCHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE));

	log = NULL;
	logconfig = NULL;
	RUNCHECK(isc_log_create(mctx, &log, &logconfig));

	RUNCHECK(dst_lib_init(mctx, ectx, ISC_ENTROPY_GOODONLY));

	taskmgr = NULL;
	RUNCHECK(isc_taskmgr_create(mctx, 1, 0, &taskmgr));
	task = NULL;
	RUNCHECK(isc_task_create(taskmgr, 0, &task));
	timermgr = NULL;
	RUNCHECK(isc_timermgr_create(mctx, &timermgr));
	socketmgr = NULL;
	RUNCHECK(isc_socketmgr_create(mctx, &socketmgr));
	dispatchmgr = NULL;
	RUNCHECK(dns_dispatchmgr_create(mctx, NULL, &dispatchmgr));
	isc_sockaddr_any(&bind_any);
	attrs = DNS_DISPATCHATTR_UDP |
		DNS_DISPATCHATTR_MAKEQUERY |
		DNS_DISPATCHATTR_IPV4;
	attrmask = DNS_DISPATCHATTR_UDP |
		   DNS_DISPATCHATTR_TCP |
		   DNS_DISPATCHATTR_IPV4 |
		   DNS_DISPATCHATTR_IPV6;
	dispatchv4 = NULL;
	RUNCHECK(dns_dispatch_getudp(dispatchmgr, socketmgr, taskmgr,
					  &bind_any, 4096, 4, 2, 3, 5,
					  attrs, attrmask, &dispatchv4));
	requestmgr = NULL;
	RUNCHECK(dns_requestmgr_create(mctx, timermgr, socketmgr, taskmgr,
					    dispatchmgr, dispatchv4, NULL,
					    &requestmgr));

	ring = NULL;
	RUNCHECK(dns_tsigkeyring_create(mctx, &ring));
	tctx = NULL;
	RUNCHECK(dns_tkeyctx_create(mctx, ectx, &tctx));

	view = NULL;
	RUNCHECK(dns_view_create(mctx, 0, "_test", &view));
	dns_view_setkeyring(view, ring);
	dns_tsigkeyring_detach(&ring);

	sock = NULL;
	RUNCHECK(isc_socket_create(socketmgr, PF_INET, isc_sockettype_udp,
				   &sock));

	RUNCHECK(isc_app_onrun(mctx, task, sendquery, NULL));

	ourkey = NULL;
	type = DST_TYPE_PUBLIC | DST_TYPE_PRIVATE | DST_TYPE_KEY;
	result = dst_key_fromnamedfile(ourkeyname, NULL, type, mctx, &ourkey);
	CHECK("dst_key_fromnamedfile", result);

	isc_buffer_init(&nonce, noncedata, sizeof(noncedata));
	result = isc_entropy_getdata(ectx, noncedata, sizeof(noncedata),
				     NULL, ISC_ENTROPY_BLOCKING);
	CHECK("isc_entropy_getdata", result);
	isc_buffer_add(&nonce, sizeof(noncedata));

	(void)isc_app_run();

	dns_requestmgr_shutdown(requestmgr);
	dns_requestmgr_detach(&requestmgr);
	dns_dispatch_detach(&dispatchv4);
	dns_dispatchmgr_destroy(&dispatchmgr);
	isc_task_shutdown(task);
	isc_task_detach(&task);
	isc_taskmgr_destroy(&taskmgr);
	isc_socket_detach(&sock);
	isc_socketmgr_destroy(&socketmgr);
	isc_timermgr_destroy(&timermgr);

	dst_key_free(&ourkey);
	dns_tsigkey_detach(&initialkey);
	dns_tsigkey_detach(&tsigkey);

	dns_tkeyctx_destroy(&tctx);

	dns_view_detach(&view);

	isc_log_destroy(&log);

	dst_lib_destroy();
	isc_hash_destroy();
	isc_entropy_detach(&ectx);

	isc_mem_destroy(&mctx);

	isc_app_finish();

	return (0);
}
示例#4
0
ATF_TC_BODY(tsig_tcp, tc) {
	const dns_name_t *tsigowner = NULL;
	dns_fixedname_t fkeyname;
	dns_message_t *msg = NULL;
	dns_name_t *keyname;
	dns_tsig_keyring_t *ring = NULL;
	dns_tsigkey_t *key = NULL;
	isc_buffer_t *buf = NULL;
	isc_buffer_t *querytsig = NULL;
	isc_buffer_t *tsigin = NULL;
	isc_buffer_t *tsigout = NULL;
	isc_result_t result;
	unsigned char secret[16] = { 0 };
	dst_context_t *tsigctx = NULL;
	dst_context_t *outctx = NULL;

	UNUSED(tc);

	result = dns_test_begin(stderr, ISC_TRUE);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);

	/* isc_log_setdebuglevel(lctx, 99); */

	dns_fixedname_init(&fkeyname);
	keyname = dns_fixedname_name(&fkeyname);
	result = dns_name_fromstring(keyname, "test", 0, NULL);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);

	result = dns_tsigkeyring_create(mctx, &ring);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);

	result = dns_tsigkey_create(keyname, dns_tsig_hmacsha256_name,
				    secret, sizeof(secret), ISC_FALSE,
				    NULL, 0, 0, mctx, ring, &key);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);

	/*
	 * Create request.
	 */
	result = isc_buffer_allocate(mctx, &buf, 65535);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
	render(buf, 0, key, &tsigout, &querytsig, NULL);
	isc_buffer_free(&buf);

	/*
	 * Create response message 1.
	 */
	result = isc_buffer_allocate(mctx, &buf, 65535);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
	render(buf, DNS_MESSAGEFLAG_QR, key, &querytsig, &tsigout, NULL);

	/*
	 * Process response message 1.
	 */
	result = dns_message_create(mctx, DNS_MESSAGE_INTENTPARSE, &msg);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_create: %s",
			 dns_result_totext(result));

	result = dns_message_settsigkey(msg, key);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_settsigkey: %s",
			 dns_result_totext(result));

	result = dns_message_parse(msg, buf, 0);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_parse: %s",
			 dns_result_totext(result));

	printmessage(msg);

	result = dns_message_setquerytsig(msg, querytsig);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_setquerytsig: %s",
			 dns_result_totext(result));

	result = dns_tsig_verify(buf, msg, NULL, NULL);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_tsig_verify: %s",
			 dns_result_totext(result));
	ATF_CHECK_EQ(msg->verified_sig, 1);
	ATF_CHECK_EQ(msg->tsigstatus, dns_rcode_noerror);

	/*
	 * Check that we have a TSIG in the first message.
	 */
	ATF_REQUIRE(dns_message_gettsig(msg, &tsigowner) != NULL);

	result = dns_message_getquerytsig(msg, mctx, &tsigin);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_getquerytsig: %s",
			 dns_result_totext(result));

	tsigctx = msg->tsigctx;
	msg->tsigctx = NULL;
	isc_buffer_free(&buf);
	dns_message_destroy(&msg);

	result = dst_context_create3(key->key, mctx, DNS_LOGCATEGORY_DNSSEC,
				     ISC_FALSE, &outctx);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);

	/*
	 * Start digesting.
	 */
	result = add_mac(outctx, tsigout);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);

	/*
	 * Create response message 2.
	 */
	result = isc_buffer_allocate(mctx, &buf, 65535);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);

	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
	render(buf, DNS_MESSAGEFLAG_QR, key, &tsigout, &tsigout, outctx);

	/*
	 * Process response message 2.
	 */
	result = dns_message_create(mctx, DNS_MESSAGE_INTENTPARSE, &msg);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_create: %s",
			 dns_result_totext(result));

	msg->tcp_continuation = 1;
	msg->tsigctx = tsigctx;
	tsigctx = NULL;

	result = dns_message_settsigkey(msg, key);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_settsigkey: %s",
			 dns_result_totext(result));

	result = dns_message_parse(msg, buf, 0);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_parse: %s",
			 dns_result_totext(result));

	printmessage(msg);

	result = dns_message_setquerytsig(msg, tsigin);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_setquerytsig: %s",
			 dns_result_totext(result));

	result = dns_tsig_verify(buf, msg, NULL, NULL);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_tsig_verify: %s",
			 dns_result_totext(result));
	ATF_CHECK_EQ(msg->verified_sig, 1);
	ATF_CHECK_EQ(msg->tsigstatus, dns_rcode_noerror);

	/*
	 * Check that we don't have a TSIG in the second message.
	 */
	tsigowner = NULL;
	ATF_REQUIRE(dns_message_gettsig(msg, &tsigowner) == NULL);

	tsigctx = msg->tsigctx;
	msg->tsigctx = NULL;
	isc_buffer_free(&buf);
	dns_message_destroy(&msg);

	/*
	 * Create response message 3.
	 */
	result = isc_buffer_allocate(mctx, &buf, 65535);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
	render(buf, DNS_MESSAGEFLAG_QR, key, &tsigout, &tsigout, outctx);

	result = add_tsig(outctx, key, buf);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "add_tsig: %s",
			 dns_result_totext(result));

	/*
	 * Process response message 3.
	 */
	result = dns_message_create(mctx, DNS_MESSAGE_INTENTPARSE, &msg);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_create: %s",
			 dns_result_totext(result));

	msg->tcp_continuation = 1;
	msg->tsigctx = tsigctx;
	tsigctx = NULL;

	result = dns_message_settsigkey(msg, key);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_settsigkey: %s",
			 dns_result_totext(result));

	result = dns_message_parse(msg, buf, 0);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_parse: %s",
			 dns_result_totext(result));

	printmessage(msg);

	/*
	 * Check that we had a TSIG in the third message.
	 */
	ATF_REQUIRE(dns_message_gettsig(msg, &tsigowner) != NULL);

	result = dns_message_setquerytsig(msg, tsigin);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_setquerytsig: %s",
			 dns_result_totext(result));

	result = dns_tsig_verify(buf, msg, NULL, NULL);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_tsig_verify: %s",
			 dns_result_totext(result));
	ATF_CHECK_EQ(msg->verified_sig, 1);
	ATF_CHECK_EQ(msg->tsigstatus, dns_rcode_noerror);

	if (tsigin != NULL)
		isc_buffer_free(&tsigin);

	result = dns_message_getquerytsig(msg, mctx, &tsigin);
	ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
			 "dns_message_getquerytsig: %s",
			 dns_result_totext(result));

	isc_buffer_free(&buf);
	dns_message_destroy(&msg);

	if (outctx != NULL)
		dst_context_destroy(&outctx);
	if (querytsig != NULL)
		isc_buffer_free(&querytsig);
	if (tsigin != NULL)
		isc_buffer_free(&tsigin);
	if (tsigout != NULL)
		isc_buffer_free(&tsigout);
	if (buf != NULL)
		isc_buffer_free(&buf);
	if (msg != NULL)
		dns_message_destroy(&msg);
	if (key != NULL)
		dns_tsigkey_detach(&key);
	if (ring != NULL)
		dns_tsigkeyring_detach(&ring);
	dns_test_end();
}