config.c 17.7 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
/* $Id: config.c,v 1.62 2005/11/30 03:33:48 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
137
	clients-per-query 10;\n\
	max-clients-per-query 100;\n\
Mark Andrews's avatar
Mark Andrews committed
138
139
140
"

"	/* zone */\n\
141
142
143
144
	allow-query {any;};\n\
	allow-transfer {any;};\n\
	notify yes;\n\
#	also-notify <none>\n\
145
	notify-delay 5;\n\
146
147
148
149
150
151
152
	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\
153
	alt-transfer-source *;\n\
154
	alt-transfer-source-v6 *;\n\
155
156
157
158
	max-transfer-time-in 120;\n\
	max-transfer-time-out 120;\n\
	max-transfer-idle-in 60;\n\
	max-transfer-idle-out 60;\n\
159
160
161
162
	max-retry-time 1209600; /* 2 weeks */\n\
	min-retry-time 500;\n\
	max-refresh-time 2419200; /* 4 weeks */\n\
	min-refresh-time 300;\n\
163
	multi-master no;\n\
164
165
	sig-validity-interval 30; /* days */\n\
	zone-statistics false;\n\
166
	max-journal-size unlimited;\n\
167
	ixfr-from-differences false;\n\
168
	check-wildcard yes;\n\
169
170
	check-sibling yes;\n\
	check-integrity yes;\n\
171
};\n\
Mark Andrews's avatar
Mark Andrews committed
172
173
174
"

"#\n\
175
176
#  Zones in the \"_bind\" view are NOT counted is the count of zones.\n\
#\n\
177
178
view \"_bind\" chaos {\n\
	recursion no;\n\
179
	notify no;\n\
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
\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\
195
196
197
198
	zone \"id.server\" chaos {\n\
		type master;\n\
		database \"_builtin id\";\n\
	};\n\
199
};\n\
200
";
201
202
203
204
205
206
207
208
209
210
211

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
212
ns_config_get(cfg_obj_t **maps, const char *name, cfg_obj_t **obj) {
213
214
	int i;

215
	for (i = 0;; i++) {
216
217
218
219
220
221
222
		if (maps[i] == NULL)
			return (ISC_R_NOTFOUND);
		if (cfg_map_get(maps[i], name, obj) == ISC_R_SUCCESS)
			return (ISC_R_SUCCESS);
	}
}

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
253
254
255
256
257
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);
				}
			}

		}
	}
}

258
259
260
261
262
263
264
265
266
267
268
269
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
270
271
ns_config_getclass(cfg_obj_t *classobj, dns_rdataclass_t defclass,
		   dns_rdataclass_t *classp) {
272
	isc_textregion_t r;
273
	isc_result_t result;
274
275

	if (!cfg_obj_isstring(classobj)) {
276
		*classp = defclass;
277
278
		return (ISC_R_SUCCESS);
	}
279
280
	DE_CONST(cfg_obj_asstring(classobj), r.base);
	r.length = strlen(r.base);
281
282
283
	result = dns_rdataclass_fromtext(classp, &r);
	if (result != ISC_R_SUCCESS)
		cfg_obj_log(classobj, ns_g_lctx, ISC_LOG_ERROR,
284
			    "unknown class '%s'", r.base);
285
	return (result);
286
287
}

288
289
290
291
292
293
294
295
296
297
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);
	}
298
299
	DE_CONST(cfg_obj_asstring(typeobj), r.base);
	r.length = strlen(r.base);
300
301
302
	result = dns_rdatatype_fromtext(typep, &r);
	if (result != ISC_R_SUCCESS)
		cfg_obj_log(typeobj, ns_g_lctx, ISC_LOG_ERROR,
303
			    "unknown type '%s'", r.base);
304
305
306
	return (result);
}

307
dns_zonetype_t
308
ns_config_getzonetype(cfg_obj_t *zonetypeobj) {
309
	dns_zonetype_t ztype = dns_zone_none;
310
	const char *str;
311
312

	str = cfg_obj_asstring(zonetypeobj);
313
	if (strcasecmp(str, "master") == 0)
314
		ztype = dns_zone_master;
315
	else if (strcasecmp(str, "slave") == 0)
316
		ztype = dns_zone_slave;
317
	else if (strcasecmp(str, "stub") == 0)
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
		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);
338
	INSIST(countp != NULL);
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
390

	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;
}

391
static isc_result_t
392
get_masters_def(cfg_obj_t *cctx, const char *name, cfg_obj_t **ret) {
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
	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);
}

417
418
419
420
421
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)
{
422
423
424
	isc_uint32_t addrcount = 0, keycount = 0, i = 0;
	isc_uint32_t listcount = 0, l = 0, j;
	isc_uint32_t stackcount = 0, pushed = 0;
425
426
427
428
429
430
431
432
	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
433
	struct { const char *name; } *lists = NULL;
434
435
436
437
	struct {
		cfg_listelt_t *element;
		in_port_t port;
	} *stack = NULL;
438

439
440
441
	REQUIRE(addrsp != NULL && *addrsp == NULL);
	REQUIRE(keysp != NULL && *keysp == NULL);
	REQUIRE(countp != NULL);
442

443
 newlist:
444
445
446
447
448
449
450
	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);
451
452
			result = ISC_R_RANGE;
			goto cleanup;
453
454
455
456
457
		}
		port = (in_port_t) val;
	} else {
		result = ns_config_getport(config, &port);
		if (result != ISC_R_SUCCESS)
458
			goto cleanup;
459
460
461
462
	}

	result = ISC_R_NOMEMORY;

463
464
465
	element = cfg_list_first(addrlist);
 resume:
	for ( ;
466
	     element != NULL;
467
	     element = cfg_list_next(element))
468
469
470
	{
		cfg_obj_t *addr;
		cfg_obj_t *key;
471
		const char *keystr;
472
473
		isc_buffer_t b;

474
475
		addr = cfg_tuple_get(cfg_listelt_value(element),
				     "masterselement");
476
477
		key = cfg_tuple_get(cfg_listelt_value(element), "key");

478
		if (!cfg_obj_issockaddr(addr)) {
479
			const char *listname = cfg_obj_asstring(addr);
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
			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
502
				if (strcasecmp(lists[j].name, listname) == 0)
503
504
505
506
507
508
509
510
511
512
513
514
515
					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
516
			lists[l++].name = listname;
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
566
567
			/* 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) {
568
569
				memcpy(new, keys, oldsize);
				isc_mem_put(mctx, keys, oldsize);
570
571
572
573
574
			}
			keys = new;
			keycount = newlen;
		}

575
576
577
578
		addrs[i] = *cfg_obj_assockaddr(addr);
		if (isc_sockaddr_getport(&addrs[i]) == 0)
			isc_sockaddr_setport(&addrs[i], port);
		keys[i] = NULL;
579
580
		if (!cfg_obj_isstring(key)) {
			i++;
581
			continue;
582
		}
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
		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;
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
		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;
621
		isc_mem_put(mctx, addrs, oldsize);
622
623
624
625
626
627
628
629
630
631
632
633
		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;
634
		isc_mem_put(mctx, keys, oldsize);
635
636
		keys = new;
		keycount = i;
637
	}
638
639
640
641
642
643
644

	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);
645
646
647

	*addrsp = addrs;
	*keysp = keys;
648
	*countp = addrcount;
649
650
651
652
653

	return (ISC_R_SUCCESS);

 cleanup:
	if (addrs != NULL)
654
		isc_mem_put(mctx, addrs, addrcount * sizeof(isc_sockaddr_t));
655
	if (keys != NULL) {
656
		for (j = 0; j <= i; j++) {
657
658
659
660
661
662
			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));
		}
663
		isc_mem_put(mctx, keys, keycount * sizeof(dns_name_t *));
664
	}
665
666
667
668
	if (lists != NULL)
		isc_mem_put(mctx, lists, listcount * sizeof(*lists));
	if (stack != NULL)
		isc_mem_put(mctx, stack, stackcount * sizeof(*stack));
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
700
701
	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;

702
	(void)cfg_map_get(config, "options", &options);
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
	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
720
721
722
723
724
725
726
727
728
729
730
731
732
733

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);
}