config.c 17.8 KB
Newer Older
1
/*
Mark Andrews's avatar
Mark Andrews committed
2
 * Copyright (C) 2004-2006  Internet Systems Consortium, Inc. ("ISC")
Mark Andrews's avatar
Mark Andrews committed
3
 * Copyright (C) 2001-2003  Internet Software Consortium.
4 5 6 7 8
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
Mark Andrews's avatar
Mark Andrews committed
9 10 11 12 13 14 15
 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
16 17
 */

Mark Andrews's avatar
Mark Andrews committed
18
/* $Id: config.c,v 1.64 2006/01/04 23:50:24 marka Exp $ */
19 20

/*! \file */
Brian Wellington's avatar
Brian Wellington committed
21 22

#include <config.h>
23 24 25 26 27 28 29 30 31 32 33 34

#include <stdlib.h>
#include <string.h>

#include <isc/buffer.h>
#include <isc/log.h>
#include <isc/mem.h>
#include <isc/region.h>
#include <isc/result.h>
#include <isc/sockaddr.h>
#include <isc/util.h>

35
#include <isccfg/namedconf.h>
36 37 38 39

#include <dns/fixedname.h>
#include <dns/name.h>
#include <dns/rdataclass.h>
40
#include <dns/rdatatype.h>
Brian Wellington's avatar
Brian Wellington committed
41
#include <dns/tsig.h>
42 43 44 45 46
#include <dns/zone.h>

#include <named/config.h>
#include <named/globals.h>

47
/*% default configuration */
48 49
static char defaultconf[] = "\
options {\n\
50 51 52
#	blackhole {none;};\n"
#ifndef WIN32
"	coresize default;\n\
53
	datasize default;\n\
54 55 56 57
	files default;\n\
	stacksize default;\n"
#endif
"	deallocate-on-exit true;\n\
58 59 60 61
#	directory <none>\n\
	dump-file \"named_dump.db\";\n\
	fake-iquery no;\n\
	has-old-clients false;\n\
62
	heartbeat-interval 60;\n\
63
	host-statistics no;\n\
64
	interface-interval 60;\n\
65 66
	listen-on {any;};\n\
	listen-on-v6 {none;};\n\
67
	match-mapped-addresses no;\n\
68 69
	memstatistics-file \"named.memstats\";\n\
	multiple-cnames no;\n\
70
#	named-xfer <obsolete>;\n\
71 72
#	pid-file \"" NS_LOCALSTATEDIR "/named.pid\"; /* or /lwresd.pid */\n\
	port 53;\n\
73
	recursing-file \"named.recursing\";\n\
74 75
"
#ifdef PATH_RANDOMDEV
76 77
"\
	random-device \"" PATH_RANDOMDEV "\";\n\
78 79
"
#endif
80 81 82 83
"\
	recursive-clients 1000;\n\
	rrset-order {order cyclic;};\n\
	serial-queries 20;\n\
84
	serial-query-rate 20;\n\
85
	server-id none;\n\
86
	statistics-file \"named.stats\";\n\
87
	statistics-interval 60;\n\
88
	tcp-clients 100;\n\
Michael Graff's avatar
Michael Graff committed
89
	tcp-listen-queue 3;\n\
90 91 92 93 94 95 96 97 98
#	tkey-dhkey <none>\n\
#	tkey-gssapi-credential <none>\n\
#	tkey-domain <none>\n\
	transfers-per-ns 2;\n\
	transfers-in 10;\n\
	transfers-out 10;\n\
	treat-cr-as-space true;\n\
	use-id-pool true;\n\
	use-ixfr true;\n\
99
	edns-udp-size 4096;\n\
100 101 102 103 104
\n\
	/* view */\n\
	allow-notify {none;};\n\
	allow-update-forwarding {none;};\n\
	allow-recursion {any;};\n\
105
#	allow-v6-synthesis <obsolete>;\n\
106 107 108
#	sortlist <none>\n\
#	topology <none>\n\
	auth-nxdomain false;\n\
Bob Halley's avatar
Bob Halley committed
109
	minimal-responses false;\n\
110 111 112 113 114 115 116 117 118 119 120
	recursion true;\n\
	provide-ixfr true;\n\
	request-ixfr true;\n\
	fetch-glue no;\n\
	rfc2308-type1 no;\n\
	additional-from-auth true;\n\
	additional-from-cache true;\n\
	query-source address *;\n\
	query-source-v6 address *;\n\
	notify-source *;\n\
	notify-source-v6 *;\n\
121
	cleaning-interval 60;\n\
122 123 124 125 126 127
	min-roots 2;\n\
	lame-ttl 600;\n\
	max-ncache-ttl 10800; /* 3 hours */\n\
	max-cache-ttl 604800; /* 1 week */\n\
	transfer-format many-answers;\n\
	max-cache-size 0;\n\
128 129
	check-names master fail;\n\
	check-names slave warn;\n\
130
	check-names response ignore;\n\
131
	check-mx warn;\n\
132 133 134
	use-additional-cache true;\n\
	acache-cleaning-interval 60;\n\
	max-acache-size 0;\n\
135
	dnssec-enable no; /* Make yes for 9.4. */ \n\
136
	dnssec-accept-expired no;\n\
137 138
	clients-per-query 10;\n\
	max-clients-per-query 100;\n\
Mark Andrews's avatar
Mark Andrews committed
139 140 141
"

"	/* zone */\n\
142 143 144 145
	allow-query {any;};\n\
	allow-transfer {any;};\n\
	notify yes;\n\
#	also-notify <none>\n\
146
	notify-delay 5;\n\
147 148 149 150 151 152 153
	dialup no;\n\
#	forward <none>\n\
#	forwarders <none>\n\
	maintain-ixfr-base no;\n\
#	max-ixfr-log-size <obsolete>\n\
	transfer-source *;\n\
	transfer-source-v6 *;\n\
154
	alt-transfer-source *;\n\
155
	alt-transfer-source-v6 *;\n\
156 157 158 159
	max-transfer-time-in 120;\n\
	max-transfer-time-out 120;\n\
	max-transfer-idle-in 60;\n\
	max-transfer-idle-out 60;\n\
160 161 162 163
	max-retry-time 1209600; /* 2 weeks */\n\
	min-retry-time 500;\n\
	max-refresh-time 2419200; /* 4 weeks */\n\
	min-refresh-time 300;\n\
164
	multi-master no;\n\
165 166
	sig-validity-interval 30; /* days */\n\
	zone-statistics false;\n\
167
	max-journal-size unlimited;\n\
168
	ixfr-from-differences false;\n\
169
	check-wildcard yes;\n\
170 171
	check-sibling yes;\n\
	check-integrity yes;\n\
172
};\n\
Mark Andrews's avatar
Mark Andrews committed
173 174 175
"

"#\n\
176 177
#  Zones in the \"_bind\" view are NOT counted is the count of zones.\n\
#\n\
178 179
view \"_bind\" chaos {\n\
	recursion no;\n\
180
	notify no;\n\
181 182 183 184 185 186 187 188 189 190 191 192 193 194 195
\n\
	zone \"version.bind\" chaos {\n\
		type master;\n\
		database \"_builtin version\";\n\
	};\n\
\n\
	zone \"hostname.bind\" chaos {\n\
		type master;\n\
		database \"_builtin hostname\";\n\
	};\n\
\n\
	zone \"authors.bind\" chaos {\n\
		type master;\n\
		database \"_builtin authors\";\n\
	};\n\
196 197 198 199
	zone \"id.server\" chaos {\n\
		type master;\n\
		database \"_builtin id\";\n\
	};\n\
200
};\n\
201
";
202 203 204 205 206 207 208 209 210 211 212

isc_result_t
ns_config_parsedefaults(cfg_parser_t *parser, cfg_obj_t **conf) {
	isc_buffer_t b;

	isc_buffer_init(&b, defaultconf, sizeof(defaultconf) - 1);
	isc_buffer_add(&b, sizeof(defaultconf) - 1);
	return (cfg_parse_buffer(parser, &b, &cfg_type_namedconf, conf));
}

isc_result_t
213
ns_config_get(cfg_obj_t **maps, const char *name, cfg_obj_t **obj) {
214 215
	int i;

216
	for (i = 0;; i++) {
217 218 219 220 221 222 223
		if (maps[i] == NULL)
			return (ISC_R_NOTFOUND);
		if (cfg_map_get(maps[i], name, obj) == ISC_R_SUCCESS)
			return (ISC_R_SUCCESS);
	}
}

224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258
isc_result_t
ns_checknames_get(cfg_obj_t **maps, const char *which, cfg_obj_t **obj) {
	cfg_listelt_t *element;
	cfg_obj_t *checknames;
	cfg_obj_t *type;
	cfg_obj_t *value;
	int i;

	for (i = 0;; i++) {
		if (maps[i] == NULL)
			return (ISC_R_NOTFOUND);
		checknames = NULL;
		if (cfg_map_get(maps[i], "check-names", &checknames) == ISC_R_SUCCESS) {
			/*
			 * Zone map entry is not a list.
			 */
			if (checknames != NULL && !cfg_obj_islist(checknames)) {
				*obj = checknames;
				return (ISC_R_SUCCESS);
			}
			for (element = cfg_list_first(checknames);
			     element != NULL;
			     element = cfg_list_next(element)) {
				value = cfg_listelt_value(element);
				type = cfg_tuple_get(value, "type");
				if (strcasecmp(cfg_obj_asstring(type), which) == 0) {
					*obj = cfg_tuple_get(value, "mode");
					return (ISC_R_SUCCESS);
				}
			}

		}
	}
}

259 260 261 262 263 264 265 266 267 268 269 270
int
ns_config_listcount(cfg_obj_t *list) {
	cfg_listelt_t *e;
	int i = 0;

	for (e = cfg_list_first(list); e != NULL; e = cfg_list_next(e))
		i++;

	return (i);
}

isc_result_t
271 272
ns_config_getclass(cfg_obj_t *classobj, dns_rdataclass_t defclass,
		   dns_rdataclass_t *classp) {
273
	isc_textregion_t r;
274
	isc_result_t result;
275 276

	if (!cfg_obj_isstring(classobj)) {
277
		*classp = defclass;
278 279
		return (ISC_R_SUCCESS);
	}
280 281
	DE_CONST(cfg_obj_asstring(classobj), r.base);
	r.length = strlen(r.base);
282 283 284
	result = dns_rdataclass_fromtext(classp, &r);
	if (result != ISC_R_SUCCESS)
		cfg_obj_log(classobj, ns_g_lctx, ISC_LOG_ERROR,
285
			    "unknown class '%s'", r.base);
286
	return (result);
287 288
}

289 290 291 292 293 294 295 296 297 298
isc_result_t
ns_config_gettype(cfg_obj_t *typeobj, dns_rdatatype_t deftype,
		   dns_rdatatype_t *typep) {
	isc_textregion_t r;
	isc_result_t result;

	if (!cfg_obj_isstring(typeobj)) {
		*typep = deftype;
		return (ISC_R_SUCCESS);
	}
299 300
	DE_CONST(cfg_obj_asstring(typeobj), r.base);
	r.length = strlen(r.base);
301 302 303
	result = dns_rdatatype_fromtext(typep, &r);
	if (result != ISC_R_SUCCESS)
		cfg_obj_log(typeobj, ns_g_lctx, ISC_LOG_ERROR,
304
			    "unknown type '%s'", r.base);
305 306 307
	return (result);
}

308
dns_zonetype_t
309
ns_config_getzonetype(cfg_obj_t *zonetypeobj) {
310
	dns_zonetype_t ztype = dns_zone_none;
311
	const char *str;
312 313

	str = cfg_obj_asstring(zonetypeobj);
314
	if (strcasecmp(str, "master") == 0)
315
		ztype = dns_zone_master;
316
	else if (strcasecmp(str, "slave") == 0)
317
		ztype = dns_zone_slave;
318
	else if (strcasecmp(str, "stub") == 0)
319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338
		ztype = dns_zone_stub;
	else
		INSIST(0);
	return (ztype);
}

isc_result_t
ns_config_getiplist(cfg_obj_t *config, cfg_obj_t *list,
		    in_port_t defport, isc_mem_t *mctx,
		    isc_sockaddr_t **addrsp, isc_uint32_t *countp)
{
	int count, i = 0;
	cfg_obj_t *addrlist;
	cfg_obj_t *portobj;
	cfg_listelt_t *element;
	isc_sockaddr_t *addrs;
	in_port_t port;
	isc_result_t result;

	INSIST(addrsp != NULL && *addrsp == NULL);
339
	INSIST(countp != NULL);
340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391

	addrlist = cfg_tuple_get(list, "addresses");
	count = ns_config_listcount(addrlist);

	portobj = cfg_tuple_get(list, "port");
	if (cfg_obj_isuint32(portobj)) {
		isc_uint32_t val = cfg_obj_asuint32(portobj);
		if (val > ISC_UINT16_MAX) {
			cfg_obj_log(portobj, ns_g_lctx, ISC_LOG_ERROR,
				    "port '%u' out of range", val);
			return (ISC_R_RANGE);
		}
		port = (in_port_t) val;
	} else if (defport != 0)
		port = defport;
	else {
		result = ns_config_getport(config, &port);
		if (result != ISC_R_SUCCESS)
			return (result);
	}

	addrs = isc_mem_get(mctx, count * sizeof(isc_sockaddr_t));
	if (addrs == NULL)
		return (ISC_R_NOMEMORY);

	for (element = cfg_list_first(addrlist);
	     element != NULL;
	     element = cfg_list_next(element), i++)
	{
		INSIST(i < count);
		addrs[i] = *cfg_obj_assockaddr(cfg_listelt_value(element));
		if (isc_sockaddr_getport(&addrs[i]) == 0)
			isc_sockaddr_setport(&addrs[i], port);
	}
	INSIST(i == count);

	*addrsp = addrs;
	*countp = count;

	return (ISC_R_SUCCESS);
}

void
ns_config_putiplist(isc_mem_t *mctx, isc_sockaddr_t **addrsp,
		    isc_uint32_t count)
{
	INSIST(addrsp != NULL && *addrsp != NULL);

	isc_mem_put(mctx, *addrsp, count * sizeof(isc_sockaddr_t));
	*addrsp = NULL;
}

392
static isc_result_t
393
get_masters_def(cfg_obj_t *cctx, const char *name, cfg_obj_t **ret) {
394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417
	isc_result_t result;
	cfg_obj_t *masters = NULL;
	cfg_listelt_t *elt;

	result = cfg_map_get(cctx, "masters", &masters);
	if (result != ISC_R_SUCCESS)
		return (result);
	for (elt = cfg_list_first(masters);
	     elt != NULL;
	     elt = cfg_list_next(elt)) {
		cfg_obj_t *list;
		const char *listname;

		list = cfg_listelt_value(elt);
		listname = cfg_obj_asstring(cfg_tuple_get(list, "name"));

		if (strcasecmp(listname, name) == 0) {
			*ret = list;
			return (ISC_R_SUCCESS);
		}
	}
	return (ISC_R_NOTFOUND);
}

418 419 420 421 422
isc_result_t
ns_config_getipandkeylist(cfg_obj_t *config, cfg_obj_t *list, isc_mem_t *mctx,
			  isc_sockaddr_t **addrsp, dns_name_t ***keysp,
			  isc_uint32_t *countp)
{
423 424 425
	isc_uint32_t addrcount = 0, keycount = 0, i = 0;
	isc_uint32_t listcount = 0, l = 0, j;
	isc_uint32_t stackcount = 0, pushed = 0;
426 427 428 429 430 431 432 433
	isc_result_t result;
	cfg_listelt_t *element;
	cfg_obj_t *addrlist;
	cfg_obj_t *portobj;
	in_port_t port;
	dns_fixedname_t fname;
	isc_sockaddr_t *addrs = NULL;
	dns_name_t **keys = NULL;
Mark Andrews's avatar
Mark Andrews committed
434
	struct { const char *name; } *lists = NULL;
435 436 437 438
	struct {
		cfg_listelt_t *element;
		in_port_t port;
	} *stack = NULL;
439

440 441 442
	REQUIRE(addrsp != NULL && *addrsp == NULL);
	REQUIRE(keysp != NULL && *keysp == NULL);
	REQUIRE(countp != NULL);
443

444
 newlist:
445 446 447 448 449 450 451
	addrlist = cfg_tuple_get(list, "addresses");
	portobj = cfg_tuple_get(list, "port");
	if (cfg_obj_isuint32(portobj)) {
		isc_uint32_t val = cfg_obj_asuint32(portobj);
		if (val > ISC_UINT16_MAX) {
			cfg_obj_log(portobj, ns_g_lctx, ISC_LOG_ERROR,
				    "port '%u' out of range", val);
452 453
			result = ISC_R_RANGE;
			goto cleanup;
454 455 456 457 458
		}
		port = (in_port_t) val;
	} else {
		result = ns_config_getport(config, &port);
		if (result != ISC_R_SUCCESS)
459
			goto cleanup;
460 461 462 463
	}

	result = ISC_R_NOMEMORY;

464 465 466
	element = cfg_list_first(addrlist);
 resume:
	for ( ;
467
	     element != NULL;
468
	     element = cfg_list_next(element))
469 470 471
	{
		cfg_obj_t *addr;
		cfg_obj_t *key;
472
		const char *keystr;
473 474
		isc_buffer_t b;

475 476
		addr = cfg_tuple_get(cfg_listelt_value(element),
				     "masterselement");
477 478
		key = cfg_tuple_get(cfg_listelt_value(element), "key");

479
		if (!cfg_obj_issockaddr(addr)) {
480
			const char *listname = cfg_obj_asstring(addr);
481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502
			isc_result_t tresult;

			/* Grow lists? */
			if (listcount == l) {
				void * new;
				isc_uint32_t newlen = listcount + 16;
				size_t newsize, oldsize;

				newsize = newlen * sizeof(*lists);
				oldsize = listcount * sizeof(*lists);
				new = isc_mem_get(mctx, newsize);
				if (new == NULL)
					goto cleanup;
				if (listcount != 0) {
					memcpy(new, lists, oldsize);
					isc_mem_put(mctx, lists, oldsize);
				}
				lists = new;
				listcount = newlen;
			}
			/* Seen? */
			for (j = 0; j < l; j++)
Mark Andrews's avatar
Mark Andrews committed
503
				if (strcasecmp(lists[j].name, listname) == 0)
504 505 506 507 508 509 510 511 512 513 514 515 516
					break;
			if (j < l)
				continue;
			tresult = get_masters_def(config, listname, &list);
			if (tresult == ISC_R_NOTFOUND) {
				cfg_obj_log(addr, ns_g_lctx, ISC_LOG_ERROR,
                                    "masters \"%s\" not found", listname);

				result = tresult;
				goto cleanup;
			}
			if (tresult != ISC_R_SUCCESS)
				goto cleanup;
Mark Andrews's avatar
Mark Andrews committed
517
			lists[l++].name = listname;
518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568
			/* Grow stack? */
			if (stackcount == pushed) {
				void * new;
				isc_uint32_t newlen = stackcount + 16;
				size_t newsize, oldsize;

				newsize = newlen * sizeof(*stack);
				oldsize = stackcount * sizeof(*stack);
				new = isc_mem_get(mctx, newsize);
				if (new == NULL)
					goto cleanup;
				if (stackcount != 0) {
					memcpy(new, stack, oldsize);
					isc_mem_put(mctx, stack, oldsize);
				}
				stack = new;
				stackcount = newlen;
			}
			/*
			 * We want to resume processing this list on the
			 * next element.
			 */
			stack[pushed].element = cfg_list_next(element);
			stack[pushed].port = port;
			pushed++;
			goto newlist;
		}

		if (i == addrcount) {
			void * new;
			isc_uint32_t newlen = addrcount + 16;
			size_t newsize, oldsize;

			newsize = newlen * sizeof(isc_sockaddr_t);
			oldsize = addrcount * sizeof(isc_sockaddr_t);
			new = isc_mem_get(mctx, newsize);
			if (new == NULL)
				goto cleanup;
			if (addrcount != 0) {
				memcpy(new, addrs, oldsize);
				isc_mem_put(mctx, addrs, oldsize);
			}
			addrs = new;
			addrcount = newlen;

			newsize = newlen * sizeof(dns_name_t *);
			oldsize = keycount * sizeof(dns_name_t *);
			new = isc_mem_get(mctx, newsize);
			if (new == NULL)
				goto cleanup;
			if (keycount != 0) {
569 570
				memcpy(new, keys, oldsize);
				isc_mem_put(mctx, keys, oldsize);
571 572 573 574 575
			}
			keys = new;
			keycount = newlen;
		}

576 577 578 579
		addrs[i] = *cfg_obj_assockaddr(addr);
		if (isc_sockaddr_getport(&addrs[i]) == 0)
			isc_sockaddr_setport(&addrs[i], port);
		keys[i] = NULL;
580 581
		if (!cfg_obj_isstring(key)) {
			i++;
582
			continue;
583
		}
584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600
		keys[i] = isc_mem_get(mctx, sizeof(dns_name_t));
		if (keys[i] == NULL)
			goto cleanup;
		dns_name_init(keys[i], NULL);
		
		keystr = cfg_obj_asstring(key);
		isc_buffer_init(&b, keystr, strlen(keystr));
		isc_buffer_add(&b, strlen(keystr));
		dns_fixedname_init(&fname);
		result = dns_name_fromtext(dns_fixedname_name(&fname), &b,
					   dns_rootname, ISC_FALSE, NULL);
		if (result != ISC_R_SUCCESS)
			goto cleanup;
		result = dns_name_dup(dns_fixedname_name(&fname), mctx,
				      keys[i]);
		if (result != ISC_R_SUCCESS)
			goto cleanup;
601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621
		i++;
	}
	if (pushed != 0) {
		pushed--;
		element = stack[pushed].element;
		port = stack[pushed].port;
		goto resume;
	}
	if (i < addrcount) {
		void * new;
		size_t newsize, oldsize;

		newsize = i * sizeof(isc_sockaddr_t);
		oldsize = addrcount * sizeof(isc_sockaddr_t);
		if (i != 0) {
			new = isc_mem_get(mctx, newsize);
			if (new == NULL)
				goto cleanup;
			memcpy(new, addrs, newsize);
		} else
			new = NULL;
622
		isc_mem_put(mctx, addrs, oldsize);
623 624 625 626 627 628 629 630 631 632 633 634
		addrs = new;
		addrcount = i;

		newsize = i * sizeof(dns_name_t *);
		oldsize = keycount * sizeof(dns_name_t *);
		if (i != 0) {
			new = isc_mem_get(mctx, newsize);
			if (new == NULL)
				goto cleanup;
			memcpy(new, keys,  newsize);
		} else
			new = NULL;
635
		isc_mem_put(mctx, keys, oldsize);
636 637
		keys = new;
		keycount = i;
638
	}
639 640 641 642 643 644 645

	if (lists != NULL)
		isc_mem_put(mctx, lists, listcount * sizeof(*lists));
	if (stack != NULL)
		isc_mem_put(mctx, stack, stackcount * sizeof(*stack));
	
	INSIST(keycount == addrcount);
646 647 648

	*addrsp = addrs;
	*keysp = keys;
649
	*countp = addrcount;
650 651 652 653 654

	return (ISC_R_SUCCESS);

 cleanup:
	if (addrs != NULL)
655
		isc_mem_put(mctx, addrs, addrcount * sizeof(isc_sockaddr_t));
656
	if (keys != NULL) {
657
		for (j = 0; j <= i; j++) {
658 659 660 661 662 663
			if (keys[j] == NULL)
				continue;
			if (dns_name_dynamic(keys[j]))
				dns_name_free(keys[j], mctx);
			isc_mem_put(mctx, keys[j], sizeof(dns_name_t));
		}
664
		isc_mem_put(mctx, keys, keycount * sizeof(dns_name_t *));
665
	}
666 667 668 669
	if (lists != NULL)
		isc_mem_put(mctx, lists, listcount * sizeof(*lists));
	if (stack != NULL)
		isc_mem_put(mctx, stack, stackcount * sizeof(*stack));
670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702
	return (result);
}

void
ns_config_putipandkeylist(isc_mem_t *mctx, isc_sockaddr_t **addrsp,
			  dns_name_t ***keysp, isc_uint32_t count)
{
	unsigned int i;
	dns_name_t **keys = *keysp;

	INSIST(addrsp != NULL && *addrsp != NULL);

	isc_mem_put(mctx, *addrsp, count * sizeof(isc_sockaddr_t));
	for (i = 0; i < count; i++) {
		if (keys[i] == NULL)
			continue;
		if (dns_name_dynamic(keys[i]))
			dns_name_free(keys[i], mctx);
		isc_mem_put(mctx, keys[i], sizeof(dns_name_t));
	}
	isc_mem_put(mctx, *keysp, count * sizeof(dns_name_t *));
	*addrsp = NULL;
	*keysp = NULL;
}

isc_result_t
ns_config_getport(cfg_obj_t *config, in_port_t *portp) {
	cfg_obj_t *maps[3];
	cfg_obj_t *options = NULL;
	cfg_obj_t *portobj = NULL;
	isc_result_t result;
	int i;

703
	(void)cfg_map_get(config, "options", &options);
704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720
	i = 0;
	if (options != NULL)
		maps[i++] = options;
	maps[i++] = ns_g_defaults;
	maps[i] = NULL;

	result = ns_config_get(maps, "port", &portobj);
	INSIST(result == ISC_R_SUCCESS);
	if (cfg_obj_asuint32(portobj) >= ISC_UINT16_MAX) {
		cfg_obj_log(portobj, ns_g_lctx, ISC_LOG_ERROR,
			    "port '%u' out of range",
			    cfg_obj_asuint32(portobj));
		return (ISC_R_RANGE);
	}
	*portp = (in_port_t)cfg_obj_asuint32(portobj);
	return (ISC_R_SUCCESS);
}
Brian Wellington's avatar
Brian Wellington committed
721 722 723 724 725 726 727 728 729 730 731 732 733 734

isc_result_t
ns_config_getkeyalgorithm(const char *str, dns_name_t **name)
{
	if (strcasecmp(str, "hmac-md5") == 0 ||
	    strcasecmp(str, "hmac-md5.sig-alg.reg.int") == 0 ||
	    strcasecmp(str, "hmac-md5.sig-alg.reg.int.") == 0)
	{
		if (name != NULL)
			*name = dns_tsig_hmacmd5_name;
		return (ISC_R_SUCCESS);
	}
	return (ISC_R_NOTFOUND);
}