contrib/bind-9.3/bin/named/config.c

   1 /*
   2  * Copyright (C) 2004, 2006  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 2001-2003  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  15  * PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /* $Id: config.c,v 1.11.2.4.8.32 2006/02/28 06:32:53 marka Exp $ */
  19
  20 #include <config.h>
  21
  22 #include <stdlib.h>
  23 #include <string.h>
  24
  25 #include <isc/buffer.h>
  26 #include <isc/log.h>
  27 #include <isc/mem.h>
  28 #include <isc/region.h>
  29 #include <isc/result.h>
  30 #include <isc/sockaddr.h>
  31 #include <isc/util.h>
  32
  33 #include <isccfg/namedconf.h>
  34
  35 #include <dns/fixedname.h>
  36 #include <dns/name.h>
  37 #include <dns/rdataclass.h>
  38 #include <dns/rdatatype.h>
  39 #include <dns/tsig.h>
  40 #include <dns/zone.h>
  41
  42 #include <named/config.h>
  43 #include <named/globals.h>
  44
  45 static char defaultconf[] = "\
  46 options {\n\
  47 #       blackhole {none;};\n"
  48 #ifndef WIN32
  49 "       coresize default;\n\
  50         datasize default;\n\
  51         files default;\n\
  52         stacksize default;\n"
  53 #endif
  54 "       deallocate-on-exit true;\n\
  55 #       directory <none>\n\
  56         dump-file \"named_dump.db\";\n\
  57         fake-iquery no;\n\
  58         has-old-clients false;\n\
  59         heartbeat-interval 60;\n\
  60         host-statistics no;\n\
  61         interface-interval 60;\n\
  62         listen-on {any;};\n\
  63         listen-on-v6 {none;};\n\
  64         match-mapped-addresses no;\n\
  65         memstatistics-file \"named.memstats\";\n\
  66         multiple-cnames no;\n\
  67 #       named-xfer <obsolete>;\n\
  68 #       pid-file \"" NS_LOCALSTATEDIR "/named.pid\"; /* or /lwresd.pid */\n\
  69         port 53;\n\
  70         recursing-file \"named.recursing\";\n\
  71 "
  72 #ifdef PATH_RANDOMDEV
  73 "\
  74         random-device \"" PATH_RANDOMDEV "\";\n\
  75 "
  76 #endif
  77 "\
  78         recursive-clients 1000;\n\
  79         rrset-order {order cyclic;};\n\
  80         serial-queries 20;\n\
  81         serial-query-rate 20;\n\
  82         server-id none;\n\
  83         statistics-file \"named.stats\";\n\
  84         statistics-interval 60;\n\
  85         tcp-clients 100;\n\
  86         tcp-listen-queue 3;\n\
  87 #       tkey-dhkey <none>\n\
  88 #       tkey-gssapi-credential <none>\n\
  89 #       tkey-domain <none>\n\
  90         transfers-per-ns 2;\n\
  91         transfers-in 10;\n\
  92         transfers-out 10;\n\
  93         treat-cr-as-space true;\n\
  94         use-id-pool true;\n\
  95         use-ixfr true;\n\
  96         edns-udp-size 4096;\n\
  97 \n\
  98         /* view */\n\
  99         allow-notify {none;};\n\
 100         allow-update-forwarding {none;};\n\
 101         allow-recursion {any;};\n\
 102 #       allow-v6-synthesis <obsolete>;\n\
 103 #       sortlist <none>\n\
 104 #       topology <none>\n\
 105         auth-nxdomain false;\n\
 106         minimal-responses false;\n\
 107         recursion true;\n\
 108         provide-ixfr true;\n\
 109         request-ixfr true;\n\
 110         fetch-glue no;\n\
 111         rfc2308-type1 no;\n\
 112         additional-from-auth true;\n\
 113         additional-from-cache true;\n\
 114         query-source address *;\n\
 115         query-source-v6 address *;\n\
 116         notify-source *;\n\
 117         notify-source-v6 *;\n\
 118         cleaning-interval 60;\n\
 119         min-roots 2;\n\
 120         lame-ttl 600;\n\
 121         max-ncache-ttl 10800; /* 3 hours */\n\
 122         max-cache-ttl 604800; /* 1 week */\n\
 123         transfer-format many-answers;\n\
 124         max-cache-size 0;\n\
 125         check-names master fail;\n\
 126         check-names slave warn;\n\
 127         check-names response ignore;\n\
 128         dnssec-enable no; /* Make yes for 9.4. */ \n\
 129 "
 130
 131 "       /* zone */\n\
 132         allow-query {any;};\n\
 133         allow-transfer {any;};\n\
 134         notify yes;\n\
 135 #       also-notify <none>\n\
 136         dialup no;\n\
 137 #       forward <none>\n\
 138 #       forwarders <none>\n\
 139         maintain-ixfr-base no;\n\
 140 #       max-ixfr-log-size <obsolete>\n\
 141         transfer-source *;\n\
 142         transfer-source-v6 *;\n\
 143         alt-transfer-source *;\n\
 144         alt-transfer-source-v6 *;\n\
 145         max-transfer-time-in 120;\n\
 146         max-transfer-time-out 120;\n\
 147         max-transfer-idle-in 60;\n\
 148         max-transfer-idle-out 60;\n\
 149         max-retry-time 1209600; /* 2 weeks */\n\
 150         min-retry-time 500;\n\
 151         max-refresh-time 2419200; /* 4 weeks */\n\
 152         min-refresh-time 300;\n\
 153         multi-master no;\n\
 154         sig-validity-interval 30; /* days */\n\
 155         zone-statistics false;\n\
 156         max-journal-size unlimited;\n\
 157         ixfr-from-differences false;\n\
 158 };\n\
 159 "
 160
 161 "#\n\
 162 #  Zones in the \"_bind\" view are NOT counted is the count of zones.\n\
 163 #\n\
 164 view \"_bind\" chaos {\n\
 165         recursion no;\n\
 166         notify no;\n\
 167 \n\
 168         zone \"version.bind\" chaos {\n\
 169                 type master;\n\
 170                 database \"_builtin version\";\n\
 171         };\n\
 172 \n\
 173         zone \"hostname.bind\" chaos {\n\
 174                 type master;\n\
 175                 database \"_builtin hostname\";\n\
 176         };\n\
 177 \n\
 178         zone \"authors.bind\" chaos {\n\
 179                 type master;\n\
 180                 database \"_builtin authors\";\n\
 181         };\n\
 182         zone \"id.server\" chaos {\n\
 183                 type master;\n\
 184                 database \"_builtin id\";\n\
 185         };\n\
 186 };\n\
 187 ";
 188
 189 isc_result_t
 190 ns_config_parsedefaults(cfg_parser_t *parser, cfg_obj_t **conf) {
 191         isc_buffer_t b;
 192
 193         isc_buffer_init(&b, defaultconf, sizeof(defaultconf) - 1);
 194         isc_buffer_add(&b, sizeof(defaultconf) - 1);
 195         return (cfg_parse_buffer(parser, &b, &cfg_type_namedconf, conf));
 196 }
 197
 198 isc_result_t
 199 ns_config_get(const cfg_obj_t **maps, const char *name, const cfg_obj_t **obj) {
 200         int i;
 201
 202         for (i = 0;; i++) {
 203                 if (maps[i] == NULL)
 204                         return (ISC_R_NOTFOUND);
 205                 if (cfg_map_get(maps[i], name, obj) == ISC_R_SUCCESS)
 206                         return (ISC_R_SUCCESS);
 207         }
 208 }
 209
 210 isc_result_t
 211 ns_checknames_get(const cfg_obj_t **maps, const char *which,
 212                   const cfg_obj_t **obj)
 213 {
 214         const cfg_listelt_t *element;
 215         const cfg_obj_t *checknames;
 216         const cfg_obj_t *type;
 217         const cfg_obj_t *value;
 218         int i;
 219
 220         for (i = 0;; i++) {
 221                 if (maps[i] == NULL)
 222                         return (ISC_R_NOTFOUND);
 223                 checknames = NULL;
 224                 if (cfg_map_get(maps[i], "check-names", &checknames) == ISC_R_SUCCESS) {
 225                         /*
 226                          * Zone map entry is not a list.
 227                          */
 228                         if (checknames != NULL && !cfg_obj_islist(checknames)) {
 229                                 *obj = checknames;
 230                                 return (ISC_R_SUCCESS);
 231                         }
 232                         for (element = cfg_list_first(checknames);
 233                              element != NULL;
 234                              element = cfg_list_next(element)) {
 235                                 value = cfg_listelt_value(element);
 236                                 type = cfg_tuple_get(value, "type");
 237                                 if (strcasecmp(cfg_obj_asstring(type), which) == 0) {
 238                                         *obj = cfg_tuple_get(value, "mode");
 239                                         return (ISC_R_SUCCESS);
 240                                 }
 241                         }
 242
 243                 }
 244         }
 245 }
 246
 247 int
 248 ns_config_listcount(const cfg_obj_t *list) {
 249         const cfg_listelt_t *e;
 250         int i = 0;
 251
 252         for (e = cfg_list_first(list); e != NULL; e = cfg_list_next(e))
 253                 i++;
 254
 255         return (i);
 256 }
 257
 258 isc_result_t
 259 ns_config_getclass(const cfg_obj_t *classobj, dns_rdataclass_t defclass,
 260                    dns_rdataclass_t *classp) {
 261         const char *str;
 262         isc_textregion_t r;
 263         isc_result_t result;
 264
 265         if (!cfg_obj_isstring(classobj)) {
 266                 *classp = defclass;
 267                 return (ISC_R_SUCCESS);
 268         }
 269         str = cfg_obj_asstring(classobj);
 270         DE_CONST(str, r.base);
 271         r.length = strlen(str);
 272         result = dns_rdataclass_fromtext(classp, &r);
 273         if (result != ISC_R_SUCCESS)
 274                 cfg_obj_log(classobj, ns_g_lctx, ISC_LOG_ERROR,
 275                             "unknown class '%s'", str);
 276         return (result);
 277 }
 278
 279 isc_result_t
 280 ns_config_gettype(const cfg_obj_t *typeobj, dns_rdatatype_t deftype,
 281                    dns_rdatatype_t *typep) {
 282         const char *str;
 283         isc_textregion_t r;
 284         isc_result_t result;
 285
 286         if (!cfg_obj_isstring(typeobj)) {
 287                 *typep = deftype;
 288                 return (ISC_R_SUCCESS);
 289         }
 290         str = cfg_obj_asstring(typeobj);
 291         DE_CONST(str, r.base);
 292         r.length = strlen(str);
 293         result = dns_rdatatype_fromtext(typep, &r);
 294         if (result != ISC_R_SUCCESS)
 295                 cfg_obj_log(typeobj, ns_g_lctx, ISC_LOG_ERROR,
 296                             "unknown type '%s'", str);
 297         return (result);
 298 }
 299
 300 dns_zonetype_t
 301 ns_config_getzonetype(const cfg_obj_t *zonetypeobj) {
 302         dns_zonetype_t ztype = dns_zone_none;
 303         const char *str;
 304
 305         str = cfg_obj_asstring(zonetypeobj);
 306         if (strcasecmp(str, "master") == 0)
 307                 ztype = dns_zone_master;
 308         else if (strcasecmp(str, "slave") == 0)
 309                 ztype = dns_zone_slave;
 310         else if (strcasecmp(str, "stub") == 0)
 311                 ztype = dns_zone_stub;
 312         else
 313                 INSIST(0);
 314         return (ztype);
 315 }
 316
 317 isc_result_t
 318 ns_config_getiplist(const cfg_obj_t *config, const cfg_obj_t *list,
 319                     in_port_t defport, isc_mem_t *mctx,
 320                     isc_sockaddr_t **addrsp, isc_uint32_t *countp)
 321 {
 322         int count, i = 0;
 323         const cfg_obj_t *addrlist;
 324         const cfg_obj_t *portobj;
 325         const cfg_listelt_t *element;
 326         isc_sockaddr_t *addrs;
 327         in_port_t port;
 328         isc_result_t result;
 329
 330         INSIST(addrsp != NULL && *addrsp == NULL);
 331         INSIST(countp != NULL);
 332
 333         addrlist = cfg_tuple_get(list, "addresses");
 334         count = ns_config_listcount(addrlist);
 335
 336         portobj = cfg_tuple_get(list, "port");
 337         if (cfg_obj_isuint32(portobj)) {
 338                 isc_uint32_t val = cfg_obj_asuint32(portobj);
 339                 if (val > ISC_UINT16_MAX) {
 340                         cfg_obj_log(portobj, ns_g_lctx, ISC_LOG_ERROR,
 341                                     "port '%u' out of range", val);
 342                         return (ISC_R_RANGE);
 343                 }
 344                 port = (in_port_t) val;
 345         } else if (defport != 0)
 346                 port = defport;
 347         else {
 348                 result = ns_config_getport(config, &port);
 349                 if (result != ISC_R_SUCCESS)
 350                         return (result);
 351         }
 352
 353         addrs = isc_mem_get(mctx, count * sizeof(isc_sockaddr_t));
 354         if (addrs == NULL)
 355                 return (ISC_R_NOMEMORY);
 356
 357         for (element = cfg_list_first(addrlist);
 358              element != NULL;
 359              element = cfg_list_next(element), i++)
 360         {
 361                 INSIST(i < count);
 362                 addrs[i] = *cfg_obj_assockaddr(cfg_listelt_value(element));
 363                 if (isc_sockaddr_getport(&addrs[i]) == 0)
 364                         isc_sockaddr_setport(&addrs[i], port);
 365         }
 366         INSIST(i == count);
 367
 368         *addrsp = addrs;
 369         *countp = count;
 370
 371         return (ISC_R_SUCCESS);
 372 }
 373
 374 void
 375 ns_config_putiplist(isc_mem_t *mctx, isc_sockaddr_t **addrsp,
 376                     isc_uint32_t count)
 377 {
 378         INSIST(addrsp != NULL && *addrsp != NULL);
 379
 380         isc_mem_put(mctx, *addrsp, count * sizeof(isc_sockaddr_t));
 381         *addrsp = NULL;
 382 }
 383
 384 static isc_result_t
 385 get_masters_def(const cfg_obj_t *cctx, const char *name,
 386                 const cfg_obj_t **ret)
 387 {
 388         isc_result_t result;
 389         const cfg_obj_t *masters = NULL;
 390         const cfg_listelt_t *elt;
 391
 392         result = cfg_map_get(cctx, "masters", &masters);
 393         if (result != ISC_R_SUCCESS)
 394                 return (result);
 395         for (elt = cfg_list_first(masters);
 396              elt != NULL;
 397              elt = cfg_list_next(elt)) {
 398                 const cfg_obj_t *list;
 399                 const char *listname;
 400
 401                 list = cfg_listelt_value(elt);
 402                 listname = cfg_obj_asstring(cfg_tuple_get(list, "name"));
 403
 404                 if (strcasecmp(listname, name) == 0) {
 405                         *ret = list;
 406                         return (ISC_R_SUCCESS);
 407                 }
 408         }
 409         return (ISC_R_NOTFOUND);
 410 }
 411
 412 isc_result_t
 413 ns_config_getipandkeylist(const cfg_obj_t *config, const cfg_obj_t *list,
 414                           isc_mem_t *mctx, isc_sockaddr_t **addrsp,
 415                           dns_name_t ***keysp, isc_uint32_t *countp)
 416 {
 417         isc_uint32_t addrcount = 0, keycount = 0, i = 0;
 418         isc_uint32_t listcount = 0, l = 0, j;
 419         isc_uint32_t stackcount = 0, pushed = 0;
 420         isc_result_t result;
 421         const cfg_listelt_t *element;
 422         const cfg_obj_t *addrlist;
 423         const cfg_obj_t *portobj;
 424         in_port_t port;
 425         dns_fixedname_t fname;
 426         isc_sockaddr_t *addrs = NULL;
 427         dns_name_t **keys = NULL;
 428         const char **lists = NULL;
 429         struct {
 430                 const cfg_listelt_t *element;
 431                 in_port_t port;
 432         } *stack = NULL;
 433
 434         REQUIRE(addrsp != NULL && *addrsp == NULL);
 435         REQUIRE(keysp != NULL && *keysp == NULL);
 436         REQUIRE(countp != NULL);
 437
 438  newlist:
 439         addrlist = cfg_tuple_get(list, "addresses");
 440         portobj = cfg_tuple_get(list, "port");
 441         if (cfg_obj_isuint32(portobj)) {
 442                 isc_uint32_t val = cfg_obj_asuint32(portobj);
 443                 if (val > ISC_UINT16_MAX) {
 444                         cfg_obj_log(portobj, ns_g_lctx, ISC_LOG_ERROR,
 445                                     "port '%u' out of range", val);
 446                         result = ISC_R_RANGE;
 447                         goto cleanup;
 448                 }
 449                 port = (in_port_t) val;
 450         } else {
 451                 result = ns_config_getport(config, &port);
 452                 if (result != ISC_R_SUCCESS)
 453                         goto cleanup;
 454         }
 455
 456         result = ISC_R_NOMEMORY;
 457
 458         element = cfg_list_first(addrlist);
 459  resume:
 460         for ( ;
 461              element != NULL;
 462              element = cfg_list_next(element))
 463         {
 464                 const cfg_obj_t *addr;
 465                 const cfg_obj_t *key;
 466                 const char *keystr;
 467                 isc_buffer_t b;
 468
 469                 addr = cfg_tuple_get(cfg_listelt_value(element),
 470                                      "masterselement");
 471                 key = cfg_tuple_get(cfg_listelt_value(element), "key");
 472
 473                 if (!cfg_obj_issockaddr(addr)) {
 474                         const char *listname = cfg_obj_asstring(addr);
 475                         isc_result_t tresult;
 476
 477                         /* Grow lists? */
 478                         if (listcount == l) {
 479                                 void * new;
 480                                 isc_uint32_t newlen = listcount + 16;
 481                                 size_t newsize, oldsize;
 482
 483                                 newsize = newlen * sizeof(*lists);
 484                                 oldsize = listcount * sizeof(*lists);
 485                                 new = isc_mem_get(mctx, newsize);
 486                                 if (new == NULL)
 487                                         goto cleanup;
 488                                 if (listcount != 0) {
 489                                         memcpy(new, lists, oldsize);
 490                                         isc_mem_put(mctx, lists, oldsize);
 491                                 }
 492                                 lists = new;
 493                                 listcount = newlen;
 494                         }
 495                         /* Seen? */
 496                         for (j = 0; j < l; j++)
 497                                 if (strcasecmp(lists[j], listname) == 0)
 498                                         break;
 499                         if (j < l)
 500                                 continue;
 501                         tresult = get_masters_def(config, listname, &list);
 502                         if (tresult == ISC_R_NOTFOUND) {
 503                                 cfg_obj_log(addr, ns_g_lctx, ISC_LOG_ERROR,
 504                                     "masters \"%s\" not found", listname);
 505
 506                                 result = tresult;
 507                                 goto cleanup;
 508                         }
 509                         if (tresult != ISC_R_SUCCESS)
 510                                 goto cleanup;
 511                         lists[l++] = listname;
 512                         /* Grow stack? */
 513                         if (stackcount == pushed) {
 514                                 void * new;
 515                                 isc_uint32_t newlen = stackcount + 16;
 516                                 size_t newsize, oldsize;
 517
 518                                 newsize = newlen * sizeof(*stack);
 519                                 oldsize = stackcount * sizeof(*stack);
 520                                 new = isc_mem_get(mctx, newsize);
 521                                 if (new == NULL)
 522                                         goto cleanup;
 523                                 if (stackcount != 0) {
 524                                         memcpy(new, stack, oldsize);
 525                                         isc_mem_put(mctx, stack, oldsize);
 526                                 }
 527                                 stack = new;
 528                                 stackcount = newlen;
 529                         }
 530                         /*
 531                          * We want to resume processing this list on the
 532                          * next element.
 533                          */
 534                         stack[pushed].element = cfg_list_next(element);
 535                         stack[pushed].port = port;
 536                         pushed++;
 537                         goto newlist;
 538                 }
 539
 540                 if (i == addrcount) {
 541                         void * new;
 542                         isc_uint32_t newlen = addrcount + 16;
 543                         size_t newsize, oldsize;
 544
 545                         newsize = newlen * sizeof(isc_sockaddr_t);
 546                         oldsize = addrcount * sizeof(isc_sockaddr_t);
 547                         new = isc_mem_get(mctx, newsize);
 548                         if (new == NULL)
 549                                 goto cleanup;
 550                         if (addrcount != 0) {
 551                                 memcpy(new, addrs, oldsize);
 552                                 isc_mem_put(mctx, addrs, oldsize);
 553                         }
 554                         addrs = new;
 555                         addrcount = newlen;
 556
 557                         newsize = newlen * sizeof(dns_name_t *);
 558                         oldsize = keycount * sizeof(dns_name_t *);
 559                         new = isc_mem_get(mctx, newsize);
 560                         if (new == NULL)
 561                                 goto cleanup;
 562                         if (keycount != 0) {
 563                                 memcpy(new, keys, oldsize);
 564                                 isc_mem_put(mctx, keys, oldsize);
 565                         }
 566                         keys = new;
 567                         keycount = newlen;
 568                 }
 569
 570                 addrs[i] = *cfg_obj_assockaddr(addr);
 571                 if (isc_sockaddr_getport(&addrs[i]) == 0)
 572                         isc_sockaddr_setport(&addrs[i], port);
 573                 keys[i] = NULL;
 574                 if (!cfg_obj_isstring(key)) {
 575                         i++;
 576                         continue;
 577                 }
 578                 keys[i] = isc_mem_get(mctx, sizeof(dns_name_t));
 579                 if (keys[i] == NULL)
 580                         goto cleanup;
 581                 dns_name_init(keys[i], NULL);
 582
 583                 keystr = cfg_obj_asstring(key);
 584                 isc_buffer_init(&b, keystr, strlen(keystr));
 585                 isc_buffer_add(&b, strlen(keystr));
 586                 dns_fixedname_init(&fname);
 587                 result = dns_name_fromtext(dns_fixedname_name(&fname), &b,
 588                                            dns_rootname, ISC_FALSE, NULL);
 589                 if (result != ISC_R_SUCCESS)
 590                         goto cleanup;
 591                 result = dns_name_dup(dns_fixedname_name(&fname), mctx,
 592                                       keys[i]);
 593                 if (result != ISC_R_SUCCESS)
 594                         goto cleanup;
 595                 i++;
 596         }
 597         if (pushed != 0) {
 598                 pushed--;
 599                 element = stack[pushed].element;
 600                 port = stack[pushed].port;
 601                 goto resume;
 602         }
 603         if (i < addrcount) {
 604                 void * new;
 605                 size_t newsize, oldsize;
 606
 607                 newsize = i * sizeof(isc_sockaddr_t);
 608                 oldsize = addrcount * sizeof(isc_sockaddr_t);
 609                 if (i != 0) {
 610                         new = isc_mem_get(mctx, newsize);
 611                         if (new == NULL)
 612                                 goto cleanup;
 613                         memcpy(new, addrs, newsize);
 614                 } else
 615                         new = NULL;
 616                 isc_mem_put(mctx, addrs, oldsize);
 617                 addrs = new;
 618                 addrcount = i;
 619
 620                 newsize = i * sizeof(dns_name_t *);
 621                 oldsize = keycount * sizeof(dns_name_t *);
 622                 if (i != 0) {
 623                         new = isc_mem_get(mctx, newsize);
 624                         if (new == NULL)
 625                                 goto cleanup;
 626                         memcpy(new, keys,  newsize);
 627                 } else
 628                         new = NULL;
 629                 isc_mem_put(mctx, keys, oldsize);
 630                 keys = new;
 631                 keycount = i;
 632         }
 633
 634         if (lists != NULL)
 635                 isc_mem_put(mctx, lists, listcount * sizeof(*lists));
 636         if (stack != NULL)
 637                 isc_mem_put(mctx, stack, stackcount * sizeof(*stack));
 638
 639         INSIST(keycount == addrcount);
 640
 641         *addrsp = addrs;
 642         *keysp = keys;
 643         *countp = addrcount;
 644
 645         return (ISC_R_SUCCESS);
 646
 647  cleanup:
 648         if (addrs != NULL)
 649                 isc_mem_put(mctx, addrs, addrcount * sizeof(isc_sockaddr_t));
 650         if (keys != NULL) {
 651                 for (j = 0; j <= i; j++) {
 652                         if (keys[j] == NULL)
 653                                 continue;
 654                         if (dns_name_dynamic(keys[j]))
 655                                 dns_name_free(keys[j], mctx);
 656                         isc_mem_put(mctx, keys[j], sizeof(dns_name_t));
 657                 }
 658                 isc_mem_put(mctx, keys, keycount * sizeof(dns_name_t *));
 659         }
 660         if (lists != NULL)
 661                 isc_mem_put(mctx, lists, listcount * sizeof(*lists));
 662         if (stack != NULL)
 663                 isc_mem_put(mctx, stack, stackcount * sizeof(*stack));
 664         return (result);
 665 }
 666
 667 void
 668 ns_config_putipandkeylist(isc_mem_t *mctx, isc_sockaddr_t **addrsp,
 669                           dns_name_t ***keysp, isc_uint32_t count)
 670 {
 671         unsigned int i;
 672         dns_name_t **keys = *keysp;
 673
 674         INSIST(addrsp != NULL && *addrsp != NULL);
 675
 676         isc_mem_put(mctx, *addrsp, count * sizeof(isc_sockaddr_t));
 677         for (i = 0; i < count; i++) {
 678                 if (keys[i] == NULL)
 679                         continue;
 680                 if (dns_name_dynamic(keys[i]))
 681                         dns_name_free(keys[i], mctx);
 682                 isc_mem_put(mctx, keys[i], sizeof(dns_name_t));
 683         }
 684         isc_mem_put(mctx, *keysp, count * sizeof(dns_name_t *));
 685         *addrsp = NULL;
 686         *keysp = NULL;
 687 }
 688
 689 isc_result_t
 690 ns_config_getport(const cfg_obj_t *config, in_port_t *portp) {
 691         const cfg_obj_t *maps[3];
 692         const cfg_obj_t *options = NULL;
 693         const cfg_obj_t *portobj = NULL;
 694         isc_result_t result;
 695         int i;
 696
 697         (void)cfg_map_get(config, "options", &options);
 698         i = 0;
 699         if (options != NULL)
 700                 maps[i++] = options;
 701         maps[i++] = ns_g_defaults;
 702         maps[i] = NULL;
 703
 704         result = ns_config_get(maps, "port", &portobj);
 705         INSIST(result == ISC_R_SUCCESS);
 706         if (cfg_obj_asuint32(portobj) >= ISC_UINT16_MAX) {
 707                 cfg_obj_log(portobj, ns_g_lctx, ISC_LOG_ERROR,
 708                             "port '%u' out of range",
 709                             cfg_obj_asuint32(portobj));
 710                 return (ISC_R_RANGE);
 711         }
 712         *portp = (in_port_t)cfg_obj_asuint32(portobj);
 713         return (ISC_R_SUCCESS);
 714 }
 715
 716 isc_result_t
 717 ns_config_getkeyalgorithm(const char *str, dns_name_t **name)
 718 {
 719         if (strcasecmp(str, "hmac-md5") == 0 ||
 720             strcasecmp(str, "hmac-md5.sig-alg.reg.int") == 0 ||
 721             strcasecmp(str, "hmac-md5.sig-alg.reg.int.") == 0)
 722         {
 723                 if (name != NULL)
 724                         *name = dns_tsig_hmacmd5_name;
 725                 return (ISC_R_SUCCESS);
 726         }
 727         return (ISC_R_NOTFOUND);
 728 }