config.c 17.6 KB
Newer Older
1
/*
Mark Andrews's avatar
Mark Andrews committed
2
 * Copyright (C) 2004, 2005  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
 */

18 19 20
/* $Id: config.c,v 1.56 2005/04/27 04:55:49 sra Exp $ */

/*! \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\
131 132 133
	use-additional-cache true;\n\
	acache-cleaning-interval 60;\n\
	max-acache-size 0;\n\
134
	dnssec-enable no; /* Make yes for 9.4. */ \n\
Mark Andrews's avatar
Mark Andrews committed
135 136 137
"

"	/* zone */\n\
138 139 140 141
	allow-query {any;};\n\
	allow-transfer {any;};\n\
	notify yes;\n\
#	also-notify <none>\n\
142
	notify-delay 5;\n\
143 144 145 146 147 148 149
	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\
150
	alt-transfer-source *;\n\
151
	alt-transfer-source-v6 *;\n\
152 153 154 155
	max-transfer-time-in 120;\n\
	max-transfer-time-out 120;\n\
	max-transfer-idle-in 60;\n\
	max-transfer-idle-out 60;\n\
156 157 158 159
	max-retry-time 1209600; /* 2 weeks */\n\
	min-retry-time 500;\n\
	max-refresh-time 2419200; /* 4 weeks */\n\
	min-refresh-time 300;\n\
160
	multi-master no;\n\
161 162
	sig-validity-interval 30; /* days */\n\
	zone-statistics false;\n\
163
	max-journal-size unlimited;\n\
164
	ixfr-from-differences false;\n\
165
	check-wildcard yes;\n\
166
};\n\
Mark Andrews's avatar
Mark Andrews committed
167 168 169
"

"#\n\
170 171
#  Zones in the \"_bind\" view are NOT counted is the count of zones.\n\
#\n\
172 173
view \"_bind\" chaos {\n\
	recursion no;\n\
174
	notify no;\n\
175 176 177 178 179 180 181 182 183 184 185 186 187 188 189
\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\
190 191 192 193
	zone \"id.server\" chaos {\n\
		type master;\n\
		database \"_builtin id\";\n\
	};\n\
194
};\n\
195
";
196 197 198 199 200 201 202 203 204 205 206

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
207
ns_config_get(cfg_obj_t **maps, const char *name, cfg_obj_t **obj) {
208 209
	int i;

210
	for (i = 0;; i++) {
211 212 213 214 215 216 217
		if (maps[i] == NULL)
			return (ISC_R_NOTFOUND);
		if (cfg_map_get(maps[i], name, obj) == ISC_R_SUCCESS)
			return (ISC_R_SUCCESS);
	}
}

218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252
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);
				}
			}

		}
	}
}

253 254 255 256 257 258 259 260 261 262 263 264
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
265 266
ns_config_getclass(cfg_obj_t *classobj, dns_rdataclass_t defclass,
		   dns_rdataclass_t *classp) {
267 268
	char *str;
	isc_textregion_t r;
269
	isc_result_t result;
270 271

	if (!cfg_obj_isstring(classobj)) {
272
		*classp = defclass;
273 274 275 276 277
		return (ISC_R_SUCCESS);
	}
	str = cfg_obj_asstring(classobj);
	r.base = str;
	r.length = strlen(str);
278 279 280 281 282
	result = dns_rdataclass_fromtext(classp, &r);
	if (result != ISC_R_SUCCESS)
		cfg_obj_log(classobj, ns_g_lctx, ISC_LOG_ERROR,
			    "unknown class '%s'", str);
	return (result);
283 284
}

285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305
isc_result_t
ns_config_gettype(cfg_obj_t *typeobj, dns_rdatatype_t deftype,
		   dns_rdatatype_t *typep) {
	char *str;
	isc_textregion_t r;
	isc_result_t result;

	if (!cfg_obj_isstring(typeobj)) {
		*typep = deftype;
		return (ISC_R_SUCCESS);
	}
	str = cfg_obj_asstring(typeobj);
	r.base = str;
	r.length = strlen(str);
	result = dns_rdatatype_fromtext(typep, &r);
	if (result != ISC_R_SUCCESS)
		cfg_obj_log(typeobj, ns_g_lctx, ISC_LOG_ERROR,
			    "unknown type '%s'", str);
	return (result);
}

306
dns_zonetype_t
307
ns_config_getzonetype(cfg_obj_t *zonetypeobj) {
308
	dns_zonetype_t ztype = dns_zone_none;
309 310 311
	char *str;

	str = cfg_obj_asstring(zonetypeobj);
312
	if (strcasecmp(str, "master") == 0)
313
		ztype = dns_zone_master;
314
	else if (strcasecmp(str, "slave") == 0)
315
		ztype = dns_zone_slave;
316
	else if (strcasecmp(str, "stub") == 0)
317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336
		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);
337
	INSIST(countp != NULL);
338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389

	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;
}

390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415
static isc_result_t
get_masters_def(cfg_obj_t *cctx, char *name, cfg_obj_t **ret) {
	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);
}

416 417 418 419 420
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)
{
421 422 423
	isc_uint32_t addrcount = 0, keycount = 0, i = 0;
	isc_uint32_t listcount = 0, l = 0, j;
	isc_uint32_t stackcount = 0, pushed = 0;
424 425 426 427 428 429 430 431
	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;
432 433 434 435 436
	char **lists = NULL;
	struct {
		cfg_listelt_t *element;
		in_port_t port;
	} *stack = NULL;
437

438 439 440
	REQUIRE(addrsp != NULL && *addrsp == NULL);
	REQUIRE(keysp != NULL && *keysp == NULL);
	REQUIRE(countp != NULL);
441

442
 newlist:
443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460
	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);
			return (ISC_R_RANGE);
		}
		port = (in_port_t) val;
	} else {
		result = ns_config_getport(config, &port);
		if (result != ISC_R_SUCCESS)
			return (result);
	}

	result = ISC_R_NOMEMORY;

461 462 463
	element = cfg_list_first(addrlist);
 resume:
	for ( ;
464
	     element != NULL;
465
	     element = cfg_list_next(element))
466 467 468 469 470 471
	{
		cfg_obj_t *addr;
		cfg_obj_t *key;
		char *keystr;
		isc_buffer_t b;

472 473
		addr = cfg_tuple_get(cfg_listelt_value(element),
				     "masterselement");
474 475
		key = cfg_tuple_get(cfg_listelt_value(element), "key");

476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565
		if (!cfg_obj_issockaddr(addr)) {
			char *listname = cfg_obj_asstring(addr);
			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++)
				if (strcasecmp(lists[j], listname) == 0)
					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;
			lists[l++] = listname;
			/* 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) {
566 567
				memcpy(new, keys, oldsize);
				isc_mem_put(mctx, keys, oldsize);
568 569 570 571 572
			}
			keys = new;
			keycount = newlen;
		}

573 574 575 576
		addrs[i] = *cfg_obj_assockaddr(addr);
		if (isc_sockaddr_getport(&addrs[i]) == 0)
			isc_sockaddr_setport(&addrs[i], port);
		keys[i] = NULL;
577 578
		if (!cfg_obj_isstring(key)) {
			i++;
579
			continue;
580
		}
581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597
		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;
598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634
		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);
			isc_mem_put(mctx, addrs, oldsize);
		} else
			new = NULL;
		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);
			isc_mem_put(mctx, keys, oldsize);
		} else
			new = NULL;
		keys = new;
		keycount = i;
635
	}
636 637 638 639 640 641 642

	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);
643 644 645

	*addrsp = addrs;
	*keysp = keys;
646
	*countp = addrcount;
647 648 649 650 651

	return (ISC_R_SUCCESS);

 cleanup:
	if (addrs != NULL)
652
		isc_mem_put(mctx, addrs, addrcount * sizeof(isc_sockaddr_t));
653
	if (keys != NULL) {
654
		for (j = 0; j <= i; j++) {
655 656 657 658 659 660
			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));
		}
661
		isc_mem_put(mctx, keys, keycount * sizeof(dns_name_t *));
662
	}
663 664 665 666
	if (lists != NULL)
		isc_mem_put(mctx, lists, listcount * sizeof(*lists));
	if (stack != NULL)
		isc_mem_put(mctx, stack, stackcount * sizeof(*stack));
667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699
	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;

700
	(void)cfg_map_get(config, "options", &options);
701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717
	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
718 719 720 721 722 723 724 725 726 727 728 729 730 731

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);
}