sdlz.c revision 1.2.2.2
1 1.2.2.2 pgoyette /* $NetBSD: sdlz.c,v 1.2.2.2 2018/09/06 06:55:00 pgoyette Exp $ */ 2 1.2.2.2 pgoyette 3 1.2.2.2 pgoyette /* 4 1.2.2.2 pgoyette * Portions Copyright (C) Internet Systems Consortium, Inc. ("ISC") 5 1.2.2.2 pgoyette * 6 1.2.2.2 pgoyette * This Source Code Form is subject to the terms of the Mozilla Public 7 1.2.2.2 pgoyette * License, v. 2.0. If a copy of the MPL was not distributed with this 8 1.2.2.2 pgoyette * file, You can obtain one at http://mozilla.org/MPL/2.0/. 9 1.2.2.2 pgoyette * 10 1.2.2.2 pgoyette * See the COPYRIGHT file distributed with this work for additional 11 1.2.2.2 pgoyette * information regarding copyright ownership. 12 1.2.2.2 pgoyette */ 13 1.2.2.2 pgoyette 14 1.2.2.2 pgoyette /* 15 1.2.2.2 pgoyette * Copyright (C) 2002 Stichting NLnet, Netherlands, stichting (at) nlnet.nl. 16 1.2.2.2 pgoyette * 17 1.2.2.2 pgoyette * Permission to use, copy, modify, and distribute this software for any 18 1.2.2.2 pgoyette * purpose with or without fee is hereby granted, provided that the 19 1.2.2.2 pgoyette * above copyright notice and this permission notice appear in all 20 1.2.2.2 pgoyette * copies. 21 1.2.2.2 pgoyette * 22 1.2.2.2 pgoyette * THE SOFTWARE IS PROVIDED "AS IS" AND STICHTING NLNET 23 1.2.2.2 pgoyette * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL 24 1.2.2.2 pgoyette * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL 25 1.2.2.2 pgoyette * STICHTING NLNET BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR 26 1.2.2.2 pgoyette * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS 27 1.2.2.2 pgoyette * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 28 1.2.2.2 pgoyette * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE 29 1.2.2.2 pgoyette * USE OR PERFORMANCE OF THIS SOFTWARE. 30 1.2.2.2 pgoyette * 31 1.2.2.2 pgoyette * The development of Dynamically Loadable Zones (DLZ) for Bind 9 was 32 1.2.2.2 pgoyette * conceived and contributed by Rob Butler. 33 1.2.2.2 pgoyette * 34 1.2.2.2 pgoyette * Permission to use, copy, modify, and distribute this software for any 35 1.2.2.2 pgoyette * purpose with or without fee is hereby granted, provided that the 36 1.2.2.2 pgoyette * above copyright notice and this permission notice appear in all 37 1.2.2.2 pgoyette * copies. 38 1.2.2.2 pgoyette * 39 1.2.2.2 pgoyette * THE SOFTWARE IS PROVIDED "AS IS" AND ROB BUTLER 40 1.2.2.2 pgoyette * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL 41 1.2.2.2 pgoyette * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL 42 1.2.2.2 pgoyette * ROB BUTLER BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR 43 1.2.2.2 pgoyette * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS 44 1.2.2.2 pgoyette * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 45 1.2.2.2 pgoyette * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE 46 1.2.2.2 pgoyette * USE OR PERFORMANCE OF THIS SOFTWARE. 47 1.2.2.2 pgoyette */ 48 1.2.2.2 pgoyette 49 1.2.2.2 pgoyette /*! \file */ 50 1.2.2.2 pgoyette 51 1.2.2.2 pgoyette #include <config.h> 52 1.2.2.2 pgoyette #include <string.h> 53 1.2.2.2 pgoyette 54 1.2.2.2 pgoyette #include <isc/buffer.h> 55 1.2.2.2 pgoyette #include <isc/lex.h> 56 1.2.2.2 pgoyette #include <isc/log.h> 57 1.2.2.2 pgoyette #include <isc/rwlock.h> 58 1.2.2.2 pgoyette #include <isc/string.h> 59 1.2.2.2 pgoyette #include <isc/util.h> 60 1.2.2.2 pgoyette #include <isc/magic.h> 61 1.2.2.2 pgoyette #include <isc/mem.h> 62 1.2.2.2 pgoyette #include <isc/once.h> 63 1.2.2.2 pgoyette #include <isc/print.h> 64 1.2.2.2 pgoyette #include <isc/region.h> 65 1.2.2.2 pgoyette 66 1.2.2.2 pgoyette #include <dns/callbacks.h> 67 1.2.2.2 pgoyette #include <dns/db.h> 68 1.2.2.2 pgoyette #include <dns/dbiterator.h> 69 1.2.2.2 pgoyette #include <dns/dlz.h> 70 1.2.2.2 pgoyette #include <dns/fixedname.h> 71 1.2.2.2 pgoyette #include <dns/log.h> 72 1.2.2.2 pgoyette #include <dns/rdata.h> 73 1.2.2.2 pgoyette #include <dns/rdatalist.h> 74 1.2.2.2 pgoyette #include <dns/rdataset.h> 75 1.2.2.2 pgoyette #include <dns/rdatasetiter.h> 76 1.2.2.2 pgoyette #include <dns/rdatatype.h> 77 1.2.2.2 pgoyette #include <dns/result.h> 78 1.2.2.2 pgoyette #include <dns/master.h> 79 1.2.2.2 pgoyette #include <dns/sdlz.h> 80 1.2.2.2 pgoyette #include <dns/types.h> 81 1.2.2.2 pgoyette 82 1.2.2.2 pgoyette #include "rdatalist_p.h" 83 1.2.2.2 pgoyette 84 1.2.2.2 pgoyette /* 85 1.2.2.2 pgoyette * Private Types 86 1.2.2.2 pgoyette */ 87 1.2.2.2 pgoyette 88 1.2.2.2 pgoyette struct dns_sdlzimplementation { 89 1.2.2.2 pgoyette const dns_sdlzmethods_t *methods; 90 1.2.2.2 pgoyette isc_mem_t *mctx; 91 1.2.2.2 pgoyette void *driverarg; 92 1.2.2.2 pgoyette unsigned int flags; 93 1.2.2.2 pgoyette isc_mutex_t driverlock; 94 1.2.2.2 pgoyette dns_dlzimplementation_t *dlz_imp; 95 1.2.2.2 pgoyette }; 96 1.2.2.2 pgoyette 97 1.2.2.2 pgoyette struct dns_sdlz_db { 98 1.2.2.2 pgoyette /* Unlocked */ 99 1.2.2.2 pgoyette dns_db_t common; 100 1.2.2.2 pgoyette void *dbdata; 101 1.2.2.2 pgoyette dns_sdlzimplementation_t *dlzimp; 102 1.2.2.2 pgoyette isc_mutex_t refcnt_lock; 103 1.2.2.2 pgoyette /* Locked */ 104 1.2.2.2 pgoyette unsigned int references; 105 1.2.2.2 pgoyette dns_dbversion_t *future_version; 106 1.2.2.2 pgoyette int dummy_version; 107 1.2.2.2 pgoyette }; 108 1.2.2.2 pgoyette 109 1.2.2.2 pgoyette struct dns_sdlzlookup { 110 1.2.2.2 pgoyette /* Unlocked */ 111 1.2.2.2 pgoyette unsigned int magic; 112 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz; 113 1.2.2.2 pgoyette ISC_LIST(dns_rdatalist_t) lists; 114 1.2.2.2 pgoyette ISC_LIST(isc_buffer_t) buffers; 115 1.2.2.2 pgoyette dns_name_t *name; 116 1.2.2.2 pgoyette ISC_LINK(dns_sdlzlookup_t) link; 117 1.2.2.2 pgoyette isc_mutex_t lock; 118 1.2.2.2 pgoyette dns_rdatacallbacks_t callbacks; 119 1.2.2.2 pgoyette /* Locked */ 120 1.2.2.2 pgoyette unsigned int references; 121 1.2.2.2 pgoyette }; 122 1.2.2.2 pgoyette 123 1.2.2.2 pgoyette typedef struct dns_sdlzlookup dns_sdlznode_t; 124 1.2.2.2 pgoyette 125 1.2.2.2 pgoyette struct dns_sdlzallnodes { 126 1.2.2.2 pgoyette dns_dbiterator_t common; 127 1.2.2.2 pgoyette ISC_LIST(dns_sdlznode_t) nodelist; 128 1.2.2.2 pgoyette dns_sdlznode_t *current; 129 1.2.2.2 pgoyette dns_sdlznode_t *origin; 130 1.2.2.2 pgoyette }; 131 1.2.2.2 pgoyette 132 1.2.2.2 pgoyette typedef dns_sdlzallnodes_t sdlz_dbiterator_t; 133 1.2.2.2 pgoyette 134 1.2.2.2 pgoyette typedef struct sdlz_rdatasetiter { 135 1.2.2.2 pgoyette dns_rdatasetiter_t common; 136 1.2.2.2 pgoyette dns_rdatalist_t *current; 137 1.2.2.2 pgoyette } sdlz_rdatasetiter_t; 138 1.2.2.2 pgoyette 139 1.2.2.2 pgoyette 140 1.2.2.2 pgoyette #define SDLZDB_MAGIC ISC_MAGIC('D', 'L', 'Z', 'S') 141 1.2.2.2 pgoyette 142 1.2.2.2 pgoyette /* 143 1.2.2.2 pgoyette * Note that "impmagic" is not the first four bytes of the struct, so 144 1.2.2.2 pgoyette * ISC_MAGIC_VALID cannot be used. 145 1.2.2.2 pgoyette */ 146 1.2.2.2 pgoyette 147 1.2.2.2 pgoyette #define VALID_SDLZDB(sdlzdb) ((sdlzdb) != NULL && \ 148 1.2.2.2 pgoyette (sdlzdb)->common.impmagic == SDLZDB_MAGIC) 149 1.2.2.2 pgoyette 150 1.2.2.2 pgoyette #define SDLZLOOKUP_MAGIC ISC_MAGIC('D','L','Z','L') 151 1.2.2.2 pgoyette #define VALID_SDLZLOOKUP(sdlzl) ISC_MAGIC_VALID(sdlzl, SDLZLOOKUP_MAGIC) 152 1.2.2.2 pgoyette #define VALID_SDLZNODE(sdlzn) VALID_SDLZLOOKUP(sdlzn) 153 1.2.2.2 pgoyette 154 1.2.2.2 pgoyette /* These values are taken from RFC 1537 */ 155 1.2.2.2 pgoyette #define SDLZ_DEFAULT_REFRESH 28800U /* 8 hours */ 156 1.2.2.2 pgoyette #define SDLZ_DEFAULT_RETRY 7200U /* 2 hours */ 157 1.2.2.2 pgoyette #define SDLZ_DEFAULT_EXPIRE 604800U /* 7 days */ 158 1.2.2.2 pgoyette #define SDLZ_DEFAULT_MINIMUM 86400U /* 1 day */ 159 1.2.2.2 pgoyette 160 1.2.2.2 pgoyette /* This is a reasonable value */ 161 1.2.2.2 pgoyette #define SDLZ_DEFAULT_TTL (60 * 60 * 24) 162 1.2.2.2 pgoyette 163 1.2.2.2 pgoyette #ifdef __COVERITY__ 164 1.2.2.2 pgoyette #define MAYBE_LOCK(imp) LOCK(&imp->driverlock) 165 1.2.2.2 pgoyette #define MAYBE_UNLOCK(imp) UNLOCK(&imp->driverlock) 166 1.2.2.2 pgoyette #else 167 1.2.2.2 pgoyette #define MAYBE_LOCK(imp) \ 168 1.2.2.2 pgoyette do { \ 169 1.2.2.2 pgoyette unsigned int flags = imp->flags; \ 170 1.2.2.2 pgoyette if ((flags & DNS_SDLZFLAG_THREADSAFE) == 0) \ 171 1.2.2.2 pgoyette LOCK(&imp->driverlock); \ 172 1.2.2.2 pgoyette } while (/*CONSTCOND*/0) 173 1.2.2.2 pgoyette 174 1.2.2.2 pgoyette #define MAYBE_UNLOCK(imp) \ 175 1.2.2.2 pgoyette do { \ 176 1.2.2.2 pgoyette unsigned int flags = imp->flags; \ 177 1.2.2.2 pgoyette if ((flags & DNS_SDLZFLAG_THREADSAFE) == 0) \ 178 1.2.2.2 pgoyette UNLOCK(&imp->driverlock); \ 179 1.2.2.2 pgoyette } while (/*CONSTCOND*/0) 180 1.2.2.2 pgoyette #endif 181 1.2.2.2 pgoyette 182 1.2.2.2 pgoyette /* 183 1.2.2.2 pgoyette * Forward references. 184 1.2.2.2 pgoyette */ 185 1.2.2.2 pgoyette static isc_result_t getnodedata(dns_db_t *db, const dns_name_t *name, 186 1.2.2.2 pgoyette isc_boolean_t create, unsigned int options, 187 1.2.2.2 pgoyette dns_clientinfomethods_t *methods, 188 1.2.2.2 pgoyette dns_clientinfo_t *clientinfo, 189 1.2.2.2 pgoyette dns_dbnode_t **nodep); 190 1.2.2.2 pgoyette 191 1.2.2.2 pgoyette static void list_tordataset(dns_rdatalist_t *rdatalist, 192 1.2.2.2 pgoyette dns_db_t *db, dns_dbnode_t *node, 193 1.2.2.2 pgoyette dns_rdataset_t *rdataset); 194 1.2.2.2 pgoyette 195 1.2.2.2 pgoyette static void detachnode(dns_db_t *db, dns_dbnode_t **targetp); 196 1.2.2.2 pgoyette 197 1.2.2.2 pgoyette static void dbiterator_destroy(dns_dbiterator_t **iteratorp); 198 1.2.2.2 pgoyette static isc_result_t dbiterator_first(dns_dbiterator_t *iterator); 199 1.2.2.2 pgoyette static isc_result_t dbiterator_last(dns_dbiterator_t *iterator); 200 1.2.2.2 pgoyette static isc_result_t dbiterator_seek(dns_dbiterator_t *iterator, 201 1.2.2.2 pgoyette const dns_name_t *name); 202 1.2.2.2 pgoyette static isc_result_t dbiterator_prev(dns_dbiterator_t *iterator); 203 1.2.2.2 pgoyette static isc_result_t dbiterator_next(dns_dbiterator_t *iterator); 204 1.2.2.2 pgoyette static isc_result_t dbiterator_current(dns_dbiterator_t *iterator, 205 1.2.2.2 pgoyette dns_dbnode_t **nodep, 206 1.2.2.2 pgoyette dns_name_t *name); 207 1.2.2.2 pgoyette static isc_result_t dbiterator_pause(dns_dbiterator_t *iterator); 208 1.2.2.2 pgoyette static isc_result_t dbiterator_origin(dns_dbiterator_t *iterator, 209 1.2.2.2 pgoyette dns_name_t *name); 210 1.2.2.2 pgoyette 211 1.2.2.2 pgoyette static dns_dbiteratormethods_t dbiterator_methods = { 212 1.2.2.2 pgoyette dbiterator_destroy, 213 1.2.2.2 pgoyette dbiterator_first, 214 1.2.2.2 pgoyette dbiterator_last, 215 1.2.2.2 pgoyette dbiterator_seek, 216 1.2.2.2 pgoyette dbiterator_prev, 217 1.2.2.2 pgoyette dbiterator_next, 218 1.2.2.2 pgoyette dbiterator_current, 219 1.2.2.2 pgoyette dbiterator_pause, 220 1.2.2.2 pgoyette dbiterator_origin 221 1.2.2.2 pgoyette }; 222 1.2.2.2 pgoyette 223 1.2.2.2 pgoyette /* 224 1.2.2.2 pgoyette * Utility functions 225 1.2.2.2 pgoyette */ 226 1.2.2.2 pgoyette 227 1.2.2.2 pgoyette /* 228 1.2.2.2 pgoyette * Log a message at the given level 229 1.2.2.2 pgoyette */ 230 1.2.2.2 pgoyette static void 231 1.2.2.2 pgoyette sdlz_log(int level, const char *fmt, ...) { 232 1.2.2.2 pgoyette va_list ap; 233 1.2.2.2 pgoyette va_start(ap, fmt); 234 1.2.2.2 pgoyette isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_DATABASE, 235 1.2.2.2 pgoyette DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(level), 236 1.2.2.2 pgoyette fmt, ap); 237 1.2.2.2 pgoyette va_end(ap); 238 1.2.2.2 pgoyette } 239 1.2.2.2 pgoyette 240 1.2.2.2 pgoyette /*% Converts the input string to lowercase, in place. */ 241 1.2.2.2 pgoyette static void 242 1.2.2.2 pgoyette dns_sdlz_tolower(char *str) { 243 1.2.2.2 pgoyette unsigned int len = strlen(str); 244 1.2.2.2 pgoyette unsigned int i; 245 1.2.2.2 pgoyette 246 1.2.2.2 pgoyette for (i = 0; i < len; i++) { 247 1.2.2.2 pgoyette if (str[i] >= 'A' && str[i] <= 'Z') 248 1.2.2.2 pgoyette str[i] += 32; 249 1.2.2.2 pgoyette } 250 1.2.2.2 pgoyette } 251 1.2.2.2 pgoyette 252 1.2.2.2 pgoyette static inline unsigned int 253 1.2.2.2 pgoyette initial_size(const char *data) { 254 1.2.2.2 pgoyette unsigned int len = (strlen(data) / 64) + 1; 255 1.2.2.2 pgoyette return (len * 64 + 64); 256 1.2.2.2 pgoyette } 257 1.2.2.2 pgoyette 258 1.2.2.2 pgoyette /* 259 1.2.2.2 pgoyette * Rdataset Iterator Methods. These methods were "borrowed" from the SDB 260 1.2.2.2 pgoyette * driver interface. See the SDB driver interface documentation for more info. 261 1.2.2.2 pgoyette */ 262 1.2.2.2 pgoyette 263 1.2.2.2 pgoyette static void 264 1.2.2.2 pgoyette rdatasetiter_destroy(dns_rdatasetiter_t **iteratorp) { 265 1.2.2.2 pgoyette sdlz_rdatasetiter_t *sdlziterator = 266 1.2.2.2 pgoyette (sdlz_rdatasetiter_t *)(*iteratorp); 267 1.2.2.2 pgoyette 268 1.2.2.2 pgoyette detachnode(sdlziterator->common.db, &sdlziterator->common.node); 269 1.2.2.2 pgoyette isc_mem_put(sdlziterator->common.db->mctx, sdlziterator, 270 1.2.2.2 pgoyette sizeof(sdlz_rdatasetiter_t)); 271 1.2.2.2 pgoyette *iteratorp = NULL; 272 1.2.2.2 pgoyette } 273 1.2.2.2 pgoyette 274 1.2.2.2 pgoyette static isc_result_t 275 1.2.2.2 pgoyette rdatasetiter_first(dns_rdatasetiter_t *iterator) { 276 1.2.2.2 pgoyette sdlz_rdatasetiter_t *sdlziterator = (sdlz_rdatasetiter_t *)iterator; 277 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode = (dns_sdlznode_t *)iterator->node; 278 1.2.2.2 pgoyette 279 1.2.2.2 pgoyette if (ISC_LIST_EMPTY(sdlznode->lists)) 280 1.2.2.2 pgoyette return (ISC_R_NOMORE); 281 1.2.2.2 pgoyette sdlziterator->current = ISC_LIST_HEAD(sdlznode->lists); 282 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 283 1.2.2.2 pgoyette } 284 1.2.2.2 pgoyette 285 1.2.2.2 pgoyette static isc_result_t 286 1.2.2.2 pgoyette rdatasetiter_next(dns_rdatasetiter_t *iterator) { 287 1.2.2.2 pgoyette sdlz_rdatasetiter_t *sdlziterator = (sdlz_rdatasetiter_t *)iterator; 288 1.2.2.2 pgoyette 289 1.2.2.2 pgoyette sdlziterator->current = ISC_LIST_NEXT(sdlziterator->current, link); 290 1.2.2.2 pgoyette if (sdlziterator->current == NULL) 291 1.2.2.2 pgoyette return (ISC_R_NOMORE); 292 1.2.2.2 pgoyette else 293 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 294 1.2.2.2 pgoyette } 295 1.2.2.2 pgoyette 296 1.2.2.2 pgoyette static void 297 1.2.2.2 pgoyette rdatasetiter_current(dns_rdatasetiter_t *iterator, dns_rdataset_t *rdataset) { 298 1.2.2.2 pgoyette sdlz_rdatasetiter_t *sdlziterator = (sdlz_rdatasetiter_t *)iterator; 299 1.2.2.2 pgoyette 300 1.2.2.2 pgoyette list_tordataset(sdlziterator->current, iterator->db, iterator->node, 301 1.2.2.2 pgoyette rdataset); 302 1.2.2.2 pgoyette } 303 1.2.2.2 pgoyette 304 1.2.2.2 pgoyette static dns_rdatasetitermethods_t rdatasetiter_methods = { 305 1.2.2.2 pgoyette rdatasetiter_destroy, 306 1.2.2.2 pgoyette rdatasetiter_first, 307 1.2.2.2 pgoyette rdatasetiter_next, 308 1.2.2.2 pgoyette rdatasetiter_current 309 1.2.2.2 pgoyette }; 310 1.2.2.2 pgoyette 311 1.2.2.2 pgoyette /* 312 1.2.2.2 pgoyette * DB routines. These methods were "borrowed" from the SDB driver interface. 313 1.2.2.2 pgoyette * See the SDB driver interface documentation for more info. 314 1.2.2.2 pgoyette */ 315 1.2.2.2 pgoyette 316 1.2.2.2 pgoyette static void 317 1.2.2.2 pgoyette attach(dns_db_t *source, dns_db_t **targetp) { 318 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *) source; 319 1.2.2.2 pgoyette 320 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 321 1.2.2.2 pgoyette 322 1.2.2.2 pgoyette LOCK(&sdlz->refcnt_lock); 323 1.2.2.2 pgoyette REQUIRE(sdlz->references > 0); 324 1.2.2.2 pgoyette sdlz->references++; 325 1.2.2.2 pgoyette UNLOCK(&sdlz->refcnt_lock); 326 1.2.2.2 pgoyette 327 1.2.2.2 pgoyette *targetp = source; 328 1.2.2.2 pgoyette } 329 1.2.2.2 pgoyette 330 1.2.2.2 pgoyette static void 331 1.2.2.2 pgoyette destroy(dns_sdlz_db_t *sdlz) { 332 1.2.2.2 pgoyette isc_mem_t *mctx; 333 1.2.2.2 pgoyette mctx = sdlz->common.mctx; 334 1.2.2.2 pgoyette 335 1.2.2.2 pgoyette sdlz->common.magic = 0; 336 1.2.2.2 pgoyette sdlz->common.impmagic = 0; 337 1.2.2.2 pgoyette 338 1.2.2.2 pgoyette (void)isc_mutex_destroy(&sdlz->refcnt_lock); 339 1.2.2.2 pgoyette 340 1.2.2.2 pgoyette dns_name_free(&sdlz->common.origin, mctx); 341 1.2.2.2 pgoyette 342 1.2.2.2 pgoyette isc_mem_put(mctx, sdlz, sizeof(dns_sdlz_db_t)); 343 1.2.2.2 pgoyette isc_mem_detach(&mctx); 344 1.2.2.2 pgoyette } 345 1.2.2.2 pgoyette 346 1.2.2.2 pgoyette static void 347 1.2.2.2 pgoyette detach(dns_db_t **dbp) { 348 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)(*dbp); 349 1.2.2.2 pgoyette isc_boolean_t need_destroy = ISC_FALSE; 350 1.2.2.2 pgoyette 351 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 352 1.2.2.2 pgoyette LOCK(&sdlz->refcnt_lock); 353 1.2.2.2 pgoyette REQUIRE(sdlz->references > 0); 354 1.2.2.2 pgoyette sdlz->references--; 355 1.2.2.2 pgoyette if (sdlz->references == 0) 356 1.2.2.2 pgoyette need_destroy = ISC_TRUE; 357 1.2.2.2 pgoyette UNLOCK(&sdlz->refcnt_lock); 358 1.2.2.2 pgoyette 359 1.2.2.2 pgoyette if (need_destroy) 360 1.2.2.2 pgoyette destroy(sdlz); 361 1.2.2.2 pgoyette 362 1.2.2.2 pgoyette *dbp = NULL; 363 1.2.2.2 pgoyette } 364 1.2.2.2 pgoyette 365 1.2.2.2 pgoyette static isc_result_t 366 1.2.2.2 pgoyette beginload(dns_db_t *db, dns_rdatacallbacks_t *callbacks) { 367 1.2.2.2 pgoyette UNUSED(db); 368 1.2.2.2 pgoyette UNUSED(callbacks); 369 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 370 1.2.2.2 pgoyette } 371 1.2.2.2 pgoyette 372 1.2.2.2 pgoyette static isc_result_t 373 1.2.2.2 pgoyette endload(dns_db_t *db, dns_rdatacallbacks_t *callbacks) { 374 1.2.2.2 pgoyette UNUSED(db); 375 1.2.2.2 pgoyette UNUSED(callbacks); 376 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 377 1.2.2.2 pgoyette } 378 1.2.2.2 pgoyette 379 1.2.2.2 pgoyette static isc_result_t 380 1.2.2.2 pgoyette dump(dns_db_t *db, dns_dbversion_t *version, const char *filename, 381 1.2.2.2 pgoyette dns_masterformat_t masterformat) 382 1.2.2.2 pgoyette { 383 1.2.2.2 pgoyette UNUSED(db); 384 1.2.2.2 pgoyette UNUSED(version); 385 1.2.2.2 pgoyette UNUSED(filename); 386 1.2.2.2 pgoyette UNUSED(masterformat); 387 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 388 1.2.2.2 pgoyette } 389 1.2.2.2 pgoyette 390 1.2.2.2 pgoyette static void 391 1.2.2.2 pgoyette currentversion(dns_db_t *db, dns_dbversion_t **versionp) { 392 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 393 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 394 1.2.2.2 pgoyette REQUIRE(versionp != NULL && *versionp == NULL); 395 1.2.2.2 pgoyette 396 1.2.2.2 pgoyette *versionp = (void *) &sdlz->dummy_version; 397 1.2.2.2 pgoyette return; 398 1.2.2.2 pgoyette } 399 1.2.2.2 pgoyette 400 1.2.2.2 pgoyette static isc_result_t 401 1.2.2.2 pgoyette newversion(dns_db_t *db, dns_dbversion_t **versionp) { 402 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 403 1.2.2.2 pgoyette char origin[DNS_NAME_MAXTEXT + 1]; 404 1.2.2.2 pgoyette isc_result_t result; 405 1.2.2.2 pgoyette 406 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 407 1.2.2.2 pgoyette 408 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->newversion == NULL) 409 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 410 1.2.2.2 pgoyette 411 1.2.2.2 pgoyette dns_name_format(&sdlz->common.origin, origin, sizeof(origin)); 412 1.2.2.2 pgoyette 413 1.2.2.2 pgoyette result = sdlz->dlzimp->methods->newversion(origin, 414 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 415 1.2.2.2 pgoyette sdlz->dbdata, versionp); 416 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 417 1.2.2.2 pgoyette sdlz_log(ISC_LOG_ERROR, 418 1.2.2.2 pgoyette "sdlz newversion on origin %s failed : %s", 419 1.2.2.2 pgoyette origin, isc_result_totext(result)); 420 1.2.2.2 pgoyette return (result); 421 1.2.2.2 pgoyette } 422 1.2.2.2 pgoyette 423 1.2.2.2 pgoyette sdlz->future_version = *versionp; 424 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 425 1.2.2.2 pgoyette } 426 1.2.2.2 pgoyette 427 1.2.2.2 pgoyette static void 428 1.2.2.2 pgoyette attachversion(dns_db_t *db, dns_dbversion_t *source, dns_dbversion_t **targetp) 429 1.2.2.2 pgoyette { 430 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 431 1.2.2.2 pgoyette 432 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 433 1.2.2.2 pgoyette REQUIRE(source != NULL && source == (void *)&sdlz->dummy_version); 434 1.2.2.2 pgoyette 435 1.2.2.2 pgoyette *targetp = source; 436 1.2.2.2 pgoyette } 437 1.2.2.2 pgoyette 438 1.2.2.2 pgoyette static void 439 1.2.2.2 pgoyette closeversion(dns_db_t *db, dns_dbversion_t **versionp, isc_boolean_t commit) { 440 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 441 1.2.2.2 pgoyette char origin[DNS_NAME_MAXTEXT + 1]; 442 1.2.2.2 pgoyette 443 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 444 1.2.2.2 pgoyette REQUIRE(versionp != NULL); 445 1.2.2.2 pgoyette 446 1.2.2.2 pgoyette if (*versionp == (void *)&sdlz->dummy_version) { 447 1.2.2.2 pgoyette *versionp = NULL; 448 1.2.2.2 pgoyette return; 449 1.2.2.2 pgoyette } 450 1.2.2.2 pgoyette 451 1.2.2.2 pgoyette REQUIRE(*versionp == sdlz->future_version); 452 1.2.2.2 pgoyette REQUIRE(sdlz->dlzimp->methods->closeversion != NULL); 453 1.2.2.2 pgoyette 454 1.2.2.2 pgoyette dns_name_format(&sdlz->common.origin, origin, sizeof(origin)); 455 1.2.2.2 pgoyette 456 1.2.2.2 pgoyette sdlz->dlzimp->methods->closeversion(origin, commit, 457 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 458 1.2.2.2 pgoyette sdlz->dbdata, versionp); 459 1.2.2.2 pgoyette if (*versionp != NULL) 460 1.2.2.2 pgoyette sdlz_log(ISC_LOG_ERROR, 461 1.2.2.2 pgoyette "sdlz closeversion on origin %s failed", origin); 462 1.2.2.2 pgoyette 463 1.2.2.2 pgoyette sdlz->future_version = NULL; 464 1.2.2.2 pgoyette } 465 1.2.2.2 pgoyette 466 1.2.2.2 pgoyette static isc_result_t 467 1.2.2.2 pgoyette createnode(dns_sdlz_db_t *sdlz, dns_sdlznode_t **nodep) { 468 1.2.2.2 pgoyette dns_sdlznode_t *node; 469 1.2.2.2 pgoyette isc_result_t result; 470 1.2.2.2 pgoyette void *sdlzv, *tdlzv; 471 1.2.2.2 pgoyette 472 1.2.2.2 pgoyette node = isc_mem_get(sdlz->common.mctx, sizeof(dns_sdlznode_t)); 473 1.2.2.2 pgoyette if (node == NULL) 474 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 475 1.2.2.2 pgoyette 476 1.2.2.2 pgoyette node->sdlz = NULL; 477 1.2.2.2 pgoyette sdlzv = sdlz; 478 1.2.2.2 pgoyette tdlzv = &node->sdlz; 479 1.2.2.2 pgoyette attach(sdlzv, tdlzv); 480 1.2.2.2 pgoyette ISC_LIST_INIT(node->lists); 481 1.2.2.2 pgoyette ISC_LIST_INIT(node->buffers); 482 1.2.2.2 pgoyette ISC_LINK_INIT(node, link); 483 1.2.2.2 pgoyette node->name = NULL; 484 1.2.2.2 pgoyette result = isc_mutex_init(&node->lock); 485 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 486 1.2.2.2 pgoyette UNEXPECTED_ERROR(__FILE__, __LINE__, 487 1.2.2.2 pgoyette "isc_mutex_init() failed: %s", 488 1.2.2.2 pgoyette isc_result_totext(result)); 489 1.2.2.2 pgoyette isc_mem_put(sdlz->common.mctx, node, sizeof(dns_sdlznode_t)); 490 1.2.2.2 pgoyette return (ISC_R_UNEXPECTED); 491 1.2.2.2 pgoyette } 492 1.2.2.2 pgoyette dns_rdatacallbacks_init(&node->callbacks); 493 1.2.2.2 pgoyette node->references = 1; 494 1.2.2.2 pgoyette node->magic = SDLZLOOKUP_MAGIC; 495 1.2.2.2 pgoyette 496 1.2.2.2 pgoyette *nodep = node; 497 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 498 1.2.2.2 pgoyette } 499 1.2.2.2 pgoyette 500 1.2.2.2 pgoyette static void 501 1.2.2.2 pgoyette destroynode(dns_sdlznode_t *node) { 502 1.2.2.2 pgoyette dns_rdatalist_t *list; 503 1.2.2.2 pgoyette dns_rdata_t *rdata; 504 1.2.2.2 pgoyette isc_buffer_t *b; 505 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz; 506 1.2.2.2 pgoyette dns_db_t *db; 507 1.2.2.2 pgoyette isc_mem_t *mctx; 508 1.2.2.2 pgoyette 509 1.2.2.2 pgoyette sdlz = node->sdlz; 510 1.2.2.2 pgoyette mctx = sdlz->common.mctx; 511 1.2.2.2 pgoyette 512 1.2.2.2 pgoyette while (!ISC_LIST_EMPTY(node->lists)) { 513 1.2.2.2 pgoyette list = ISC_LIST_HEAD(node->lists); 514 1.2.2.2 pgoyette while (!ISC_LIST_EMPTY(list->rdata)) { 515 1.2.2.2 pgoyette rdata = ISC_LIST_HEAD(list->rdata); 516 1.2.2.2 pgoyette ISC_LIST_UNLINK(list->rdata, rdata, link); 517 1.2.2.2 pgoyette isc_mem_put(mctx, rdata, sizeof(dns_rdata_t)); 518 1.2.2.2 pgoyette } 519 1.2.2.2 pgoyette ISC_LIST_UNLINK(node->lists, list, link); 520 1.2.2.2 pgoyette isc_mem_put(mctx, list, sizeof(dns_rdatalist_t)); 521 1.2.2.2 pgoyette } 522 1.2.2.2 pgoyette 523 1.2.2.2 pgoyette while (!ISC_LIST_EMPTY(node->buffers)) { 524 1.2.2.2 pgoyette b = ISC_LIST_HEAD(node->buffers); 525 1.2.2.2 pgoyette ISC_LIST_UNLINK(node->buffers, b, link); 526 1.2.2.2 pgoyette isc_buffer_free(&b); 527 1.2.2.2 pgoyette } 528 1.2.2.2 pgoyette 529 1.2.2.2 pgoyette if (node->name != NULL) { 530 1.2.2.2 pgoyette dns_name_free(node->name, mctx); 531 1.2.2.2 pgoyette isc_mem_put(mctx, node->name, sizeof(dns_name_t)); 532 1.2.2.2 pgoyette } 533 1.2.2.2 pgoyette DESTROYLOCK(&node->lock); 534 1.2.2.2 pgoyette node->magic = 0; 535 1.2.2.2 pgoyette isc_mem_put(mctx, node, sizeof(dns_sdlznode_t)); 536 1.2.2.2 pgoyette db = &sdlz->common; 537 1.2.2.2 pgoyette detach(&db); 538 1.2.2.2 pgoyette } 539 1.2.2.2 pgoyette 540 1.2.2.2 pgoyette static isc_result_t 541 1.2.2.2 pgoyette getnodedata(dns_db_t *db, const dns_name_t *name, isc_boolean_t create, 542 1.2.2.2 pgoyette unsigned int options, dns_clientinfomethods_t *methods, 543 1.2.2.2 pgoyette dns_clientinfo_t *clientinfo, dns_dbnode_t **nodep) 544 1.2.2.2 pgoyette { 545 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 546 1.2.2.2 pgoyette dns_sdlznode_t *node = NULL; 547 1.2.2.2 pgoyette isc_result_t result; 548 1.2.2.2 pgoyette isc_buffer_t b; 549 1.2.2.2 pgoyette char namestr[DNS_NAME_MAXTEXT + 1]; 550 1.2.2.2 pgoyette isc_buffer_t b2; 551 1.2.2.2 pgoyette char zonestr[DNS_NAME_MAXTEXT + 1]; 552 1.2.2.2 pgoyette isc_boolean_t isorigin; 553 1.2.2.2 pgoyette dns_sdlzauthorityfunc_t authority; 554 1.2.2.2 pgoyette 555 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 556 1.2.2.2 pgoyette REQUIRE(nodep != NULL && *nodep == NULL); 557 1.2.2.2 pgoyette 558 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->newversion == NULL) { 559 1.2.2.2 pgoyette REQUIRE(create == ISC_FALSE); 560 1.2.2.2 pgoyette } 561 1.2.2.2 pgoyette 562 1.2.2.2 pgoyette isc_buffer_init(&b, namestr, sizeof(namestr)); 563 1.2.2.2 pgoyette if ((sdlz->dlzimp->flags & DNS_SDLZFLAG_RELATIVEOWNER) != 0) { 564 1.2.2.2 pgoyette dns_name_t relname; 565 1.2.2.2 pgoyette unsigned int labels; 566 1.2.2.2 pgoyette 567 1.2.2.2 pgoyette labels = dns_name_countlabels(name) - 568 1.2.2.2 pgoyette dns_name_countlabels(&sdlz->common.origin); 569 1.2.2.2 pgoyette dns_name_init(&relname, NULL); 570 1.2.2.2 pgoyette dns_name_getlabelsequence(name, 0, labels, &relname); 571 1.2.2.2 pgoyette result = dns_name_totext(&relname, ISC_TRUE, &b); 572 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 573 1.2.2.2 pgoyette return (result); 574 1.2.2.2 pgoyette } else { 575 1.2.2.2 pgoyette result = dns_name_totext(name, ISC_TRUE, &b); 576 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 577 1.2.2.2 pgoyette return (result); 578 1.2.2.2 pgoyette } 579 1.2.2.2 pgoyette isc_buffer_putuint8(&b, 0); 580 1.2.2.2 pgoyette 581 1.2.2.2 pgoyette isc_buffer_init(&b2, zonestr, sizeof(zonestr)); 582 1.2.2.2 pgoyette result = dns_name_totext(&sdlz->common.origin, ISC_TRUE, &b2); 583 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 584 1.2.2.2 pgoyette return (result); 585 1.2.2.2 pgoyette isc_buffer_putuint8(&b2, 0); 586 1.2.2.2 pgoyette 587 1.2.2.2 pgoyette result = createnode(sdlz, &node); 588 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 589 1.2.2.2 pgoyette return (result); 590 1.2.2.2 pgoyette 591 1.2.2.2 pgoyette isorigin = dns_name_equal(name, &sdlz->common.origin); 592 1.2.2.2 pgoyette 593 1.2.2.2 pgoyette /* make sure strings are always lowercase */ 594 1.2.2.2 pgoyette dns_sdlz_tolower(zonestr); 595 1.2.2.2 pgoyette dns_sdlz_tolower(namestr); 596 1.2.2.2 pgoyette 597 1.2.2.2 pgoyette MAYBE_LOCK(sdlz->dlzimp); 598 1.2.2.2 pgoyette 599 1.2.2.2 pgoyette /* try to lookup the host (namestr) */ 600 1.2.2.2 pgoyette result = sdlz->dlzimp->methods->lookup(zonestr, namestr, 601 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 602 1.2.2.2 pgoyette sdlz->dbdata, node, 603 1.2.2.2 pgoyette methods, clientinfo); 604 1.2.2.2 pgoyette 605 1.2.2.2 pgoyette /* 606 1.2.2.2 pgoyette * If the name was not found and DNS_DBFIND_NOWILD is not 607 1.2.2.2 pgoyette * set, then we try to find a wildcard entry. 608 1.2.2.2 pgoyette * 609 1.2.2.2 pgoyette * If DNS_DBFIND_NOZONECUT is set and there are multiple 610 1.2.2.2 pgoyette * levels between the host and the zone origin, we also look 611 1.2.2.2 pgoyette * for wildcards at each level. 612 1.2.2.2 pgoyette */ 613 1.2.2.2 pgoyette if (result == ISC_R_NOTFOUND && !create && 614 1.2.2.2 pgoyette (options & DNS_DBFIND_NOWILD) == 0) 615 1.2.2.2 pgoyette { 616 1.2.2.2 pgoyette unsigned int i, dlabels, nlabels; 617 1.2.2.2 pgoyette 618 1.2.2.2 pgoyette nlabels = dns_name_countlabels(name); 619 1.2.2.2 pgoyette dlabels = nlabels - dns_name_countlabels(&sdlz->common.origin); 620 1.2.2.2 pgoyette for (i = 0; i < dlabels; i++) { 621 1.2.2.2 pgoyette char wildstr[DNS_NAME_MAXTEXT + 1]; 622 1.2.2.2 pgoyette dns_fixedname_t fixed; 623 1.2.2.2 pgoyette const dns_name_t *wild; 624 1.2.2.2 pgoyette 625 1.2.2.2 pgoyette dns_fixedname_init(&fixed); 626 1.2.2.2 pgoyette if (i == dlabels) 627 1.2.2.2 pgoyette wild = dns_wildcardname; 628 1.2.2.2 pgoyette else { 629 1.2.2.2 pgoyette dns_name_t *fname; 630 1.2.2.2 pgoyette fname = dns_fixedname_name(&fixed); 631 1.2.2.2 pgoyette dns_name_getlabelsequence(name, i + 1, 632 1.2.2.2 pgoyette dlabels - i - 1, 633 1.2.2.2 pgoyette fname); 634 1.2.2.2 pgoyette result = dns_name_concatenate(dns_wildcardname, 635 1.2.2.2 pgoyette fname, fname, 636 1.2.2.2 pgoyette NULL); 637 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 638 1.2.2.2 pgoyette return (result); 639 1.2.2.2 pgoyette wild = fname; 640 1.2.2.2 pgoyette } 641 1.2.2.2 pgoyette 642 1.2.2.2 pgoyette isc_buffer_init(&b, wildstr, sizeof(wildstr)); 643 1.2.2.2 pgoyette result = dns_name_totext(wild, ISC_TRUE, &b); 644 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 645 1.2.2.2 pgoyette return (result); 646 1.2.2.2 pgoyette isc_buffer_putuint8(&b, 0); 647 1.2.2.2 pgoyette 648 1.2.2.2 pgoyette result = sdlz->dlzimp->methods->lookup(zonestr, wildstr, 649 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 650 1.2.2.2 pgoyette sdlz->dbdata, node, 651 1.2.2.2 pgoyette methods, clientinfo); 652 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) 653 1.2.2.2 pgoyette break; 654 1.2.2.2 pgoyette } 655 1.2.2.2 pgoyette } 656 1.2.2.2 pgoyette 657 1.2.2.2 pgoyette MAYBE_UNLOCK(sdlz->dlzimp); 658 1.2.2.2 pgoyette 659 1.2.2.2 pgoyette if (result == ISC_R_NOTFOUND && (isorigin || create)) 660 1.2.2.2 pgoyette result = ISC_R_SUCCESS; 661 1.2.2.2 pgoyette 662 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 663 1.2.2.2 pgoyette destroynode(node); 664 1.2.2.2 pgoyette return (result); 665 1.2.2.2 pgoyette } 666 1.2.2.2 pgoyette 667 1.2.2.2 pgoyette if (isorigin && sdlz->dlzimp->methods->authority != NULL) { 668 1.2.2.2 pgoyette MAYBE_LOCK(sdlz->dlzimp); 669 1.2.2.2 pgoyette authority = sdlz->dlzimp->methods->authority; 670 1.2.2.2 pgoyette result = (*authority)(zonestr, sdlz->dlzimp->driverarg, 671 1.2.2.2 pgoyette sdlz->dbdata, node); 672 1.2.2.2 pgoyette MAYBE_UNLOCK(sdlz->dlzimp); 673 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS && 674 1.2.2.2 pgoyette result != ISC_R_NOTIMPLEMENTED) 675 1.2.2.2 pgoyette { 676 1.2.2.2 pgoyette destroynode(node); 677 1.2.2.2 pgoyette return (result); 678 1.2.2.2 pgoyette } 679 1.2.2.2 pgoyette } 680 1.2.2.2 pgoyette 681 1.2.2.2 pgoyette if (node->name == NULL) { 682 1.2.2.2 pgoyette node->name = isc_mem_get(sdlz->common.mctx, 683 1.2.2.2 pgoyette sizeof(dns_name_t)); 684 1.2.2.2 pgoyette if (node->name == NULL) { 685 1.2.2.2 pgoyette destroynode(node); 686 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 687 1.2.2.2 pgoyette } 688 1.2.2.2 pgoyette dns_name_init(node->name, NULL); 689 1.2.2.2 pgoyette result = dns_name_dup(name, sdlz->common.mctx, node->name); 690 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 691 1.2.2.2 pgoyette isc_mem_put(sdlz->common.mctx, node->name, 692 1.2.2.2 pgoyette sizeof(dns_name_t)); 693 1.2.2.2 pgoyette destroynode(node); 694 1.2.2.2 pgoyette return (result); 695 1.2.2.2 pgoyette } 696 1.2.2.2 pgoyette } 697 1.2.2.2 pgoyette 698 1.2.2.2 pgoyette *nodep = node; 699 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 700 1.2.2.2 pgoyette } 701 1.2.2.2 pgoyette 702 1.2.2.2 pgoyette static isc_result_t 703 1.2.2.2 pgoyette findnodeext(dns_db_t *db, const dns_name_t *name, isc_boolean_t create, 704 1.2.2.2 pgoyette dns_clientinfomethods_t *methods, dns_clientinfo_t *clientinfo, 705 1.2.2.2 pgoyette dns_dbnode_t **nodep) 706 1.2.2.2 pgoyette { 707 1.2.2.2 pgoyette return (getnodedata(db, name, create, 0, methods, clientinfo, nodep)); 708 1.2.2.2 pgoyette } 709 1.2.2.2 pgoyette 710 1.2.2.2 pgoyette static isc_result_t 711 1.2.2.2 pgoyette findnode(dns_db_t *db, const dns_name_t *name, isc_boolean_t create, 712 1.2.2.2 pgoyette dns_dbnode_t **nodep) 713 1.2.2.2 pgoyette { 714 1.2.2.2 pgoyette return (getnodedata(db, name, create, 0, NULL, NULL, nodep)); 715 1.2.2.2 pgoyette } 716 1.2.2.2 pgoyette 717 1.2.2.2 pgoyette static isc_result_t 718 1.2.2.2 pgoyette findzonecut(dns_db_t *db, const dns_name_t *name, unsigned int options, 719 1.2.2.2 pgoyette isc_stdtime_t now, dns_dbnode_t **nodep, dns_name_t *foundname, 720 1.2.2.2 pgoyette dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) 721 1.2.2.2 pgoyette { 722 1.2.2.2 pgoyette UNUSED(db); 723 1.2.2.2 pgoyette UNUSED(name); 724 1.2.2.2 pgoyette UNUSED(options); 725 1.2.2.2 pgoyette UNUSED(now); 726 1.2.2.2 pgoyette UNUSED(nodep); 727 1.2.2.2 pgoyette UNUSED(foundname); 728 1.2.2.2 pgoyette UNUSED(rdataset); 729 1.2.2.2 pgoyette UNUSED(sigrdataset); 730 1.2.2.2 pgoyette 731 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 732 1.2.2.2 pgoyette } 733 1.2.2.2 pgoyette 734 1.2.2.2 pgoyette static void 735 1.2.2.2 pgoyette attachnode(dns_db_t *db, dns_dbnode_t *source, dns_dbnode_t **targetp) { 736 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 737 1.2.2.2 pgoyette dns_sdlznode_t *node = (dns_sdlznode_t *)source; 738 1.2.2.2 pgoyette 739 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 740 1.2.2.2 pgoyette 741 1.2.2.2 pgoyette UNUSED(sdlz); 742 1.2.2.2 pgoyette 743 1.2.2.2 pgoyette LOCK(&node->lock); 744 1.2.2.2 pgoyette INSIST(node->references > 0); 745 1.2.2.2 pgoyette node->references++; 746 1.2.2.2 pgoyette INSIST(node->references != 0); /* Catch overflow. */ 747 1.2.2.2 pgoyette UNLOCK(&node->lock); 748 1.2.2.2 pgoyette 749 1.2.2.2 pgoyette *targetp = source; 750 1.2.2.2 pgoyette } 751 1.2.2.2 pgoyette 752 1.2.2.2 pgoyette static void 753 1.2.2.2 pgoyette detachnode(dns_db_t *db, dns_dbnode_t **targetp) { 754 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 755 1.2.2.2 pgoyette dns_sdlznode_t *node; 756 1.2.2.2 pgoyette isc_boolean_t need_destroy = ISC_FALSE; 757 1.2.2.2 pgoyette 758 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 759 1.2.2.2 pgoyette REQUIRE(targetp != NULL && *targetp != NULL); 760 1.2.2.2 pgoyette 761 1.2.2.2 pgoyette UNUSED(sdlz); 762 1.2.2.2 pgoyette 763 1.2.2.2 pgoyette node = (dns_sdlznode_t *)(*targetp); 764 1.2.2.2 pgoyette 765 1.2.2.2 pgoyette LOCK(&node->lock); 766 1.2.2.2 pgoyette INSIST(node->references > 0); 767 1.2.2.2 pgoyette node->references--; 768 1.2.2.2 pgoyette if (node->references == 0) 769 1.2.2.2 pgoyette need_destroy = ISC_TRUE; 770 1.2.2.2 pgoyette UNLOCK(&node->lock); 771 1.2.2.2 pgoyette 772 1.2.2.2 pgoyette if (need_destroy) 773 1.2.2.2 pgoyette destroynode(node); 774 1.2.2.2 pgoyette 775 1.2.2.2 pgoyette *targetp = NULL; 776 1.2.2.2 pgoyette } 777 1.2.2.2 pgoyette 778 1.2.2.2 pgoyette static isc_result_t 779 1.2.2.2 pgoyette expirenode(dns_db_t *db, dns_dbnode_t *node, isc_stdtime_t now) { 780 1.2.2.2 pgoyette UNUSED(db); 781 1.2.2.2 pgoyette UNUSED(node); 782 1.2.2.2 pgoyette UNUSED(now); 783 1.2.2.2 pgoyette INSIST(0); 784 1.2.2.2 pgoyette return (ISC_R_UNEXPECTED); 785 1.2.2.2 pgoyette } 786 1.2.2.2 pgoyette 787 1.2.2.2 pgoyette static void 788 1.2.2.2 pgoyette printnode(dns_db_t *db, dns_dbnode_t *node, FILE *out) { 789 1.2.2.2 pgoyette UNUSED(db); 790 1.2.2.2 pgoyette UNUSED(node); 791 1.2.2.2 pgoyette UNUSED(out); 792 1.2.2.2 pgoyette return; 793 1.2.2.2 pgoyette } 794 1.2.2.2 pgoyette 795 1.2.2.2 pgoyette static isc_result_t 796 1.2.2.2 pgoyette createiterator(dns_db_t *db, unsigned int options, dns_dbiterator_t **iteratorp) 797 1.2.2.2 pgoyette { 798 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 799 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter; 800 1.2.2.2 pgoyette isc_result_t result; 801 1.2.2.2 pgoyette isc_buffer_t b; 802 1.2.2.2 pgoyette char zonestr[DNS_NAME_MAXTEXT + 1]; 803 1.2.2.2 pgoyette 804 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 805 1.2.2.2 pgoyette 806 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->allnodes == NULL) 807 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 808 1.2.2.2 pgoyette 809 1.2.2.2 pgoyette if ((options & DNS_DB_NSEC3ONLY) != 0 || 810 1.2.2.2 pgoyette (options & DNS_DB_NONSEC3) != 0) 811 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 812 1.2.2.2 pgoyette 813 1.2.2.2 pgoyette isc_buffer_init(&b, zonestr, sizeof(zonestr)); 814 1.2.2.2 pgoyette result = dns_name_totext(&sdlz->common.origin, ISC_TRUE, &b); 815 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 816 1.2.2.2 pgoyette return (result); 817 1.2.2.2 pgoyette isc_buffer_putuint8(&b, 0); 818 1.2.2.2 pgoyette 819 1.2.2.2 pgoyette sdlziter = isc_mem_get(sdlz->common.mctx, sizeof(sdlz_dbiterator_t)); 820 1.2.2.2 pgoyette if (sdlziter == NULL) 821 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 822 1.2.2.2 pgoyette 823 1.2.2.2 pgoyette sdlziter->common.methods = &dbiterator_methods; 824 1.2.2.2 pgoyette sdlziter->common.db = NULL; 825 1.2.2.2 pgoyette dns_db_attach(db, &sdlziter->common.db); 826 1.2.2.2 pgoyette sdlziter->common.relative_names = ISC_TF(options & DNS_DB_RELATIVENAMES); 827 1.2.2.2 pgoyette sdlziter->common.magic = DNS_DBITERATOR_MAGIC; 828 1.2.2.2 pgoyette ISC_LIST_INIT(sdlziter->nodelist); 829 1.2.2.2 pgoyette sdlziter->current = NULL; 830 1.2.2.2 pgoyette sdlziter->origin = NULL; 831 1.2.2.2 pgoyette 832 1.2.2.2 pgoyette /* make sure strings are always lowercase */ 833 1.2.2.2 pgoyette dns_sdlz_tolower(zonestr); 834 1.2.2.2 pgoyette 835 1.2.2.2 pgoyette MAYBE_LOCK(sdlz->dlzimp); 836 1.2.2.2 pgoyette result = sdlz->dlzimp->methods->allnodes(zonestr, 837 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 838 1.2.2.2 pgoyette sdlz->dbdata, sdlziter); 839 1.2.2.2 pgoyette MAYBE_UNLOCK(sdlz->dlzimp); 840 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 841 1.2.2.2 pgoyette dns_dbiterator_t *iter = &sdlziter->common; 842 1.2.2.2 pgoyette dbiterator_destroy(&iter); 843 1.2.2.2 pgoyette return (result); 844 1.2.2.2 pgoyette } 845 1.2.2.2 pgoyette 846 1.2.2.2 pgoyette if (sdlziter->origin != NULL) { 847 1.2.2.2 pgoyette ISC_LIST_UNLINK(sdlziter->nodelist, sdlziter->origin, link); 848 1.2.2.2 pgoyette ISC_LIST_PREPEND(sdlziter->nodelist, sdlziter->origin, link); 849 1.2.2.2 pgoyette } 850 1.2.2.2 pgoyette 851 1.2.2.2 pgoyette *iteratorp = (dns_dbiterator_t *)sdlziter; 852 1.2.2.2 pgoyette 853 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 854 1.2.2.2 pgoyette } 855 1.2.2.2 pgoyette 856 1.2.2.2 pgoyette static isc_result_t 857 1.2.2.2 pgoyette findrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 858 1.2.2.2 pgoyette dns_rdatatype_t type, dns_rdatatype_t covers, 859 1.2.2.2 pgoyette isc_stdtime_t now, dns_rdataset_t *rdataset, 860 1.2.2.2 pgoyette dns_rdataset_t *sigrdataset) 861 1.2.2.2 pgoyette { 862 1.2.2.2 pgoyette dns_rdatalist_t *list; 863 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode = (dns_sdlznode_t *)node; 864 1.2.2.2 pgoyette 865 1.2.2.2 pgoyette REQUIRE(VALID_SDLZNODE(node)); 866 1.2.2.2 pgoyette 867 1.2.2.2 pgoyette UNUSED(db); 868 1.2.2.2 pgoyette UNUSED(version); 869 1.2.2.2 pgoyette UNUSED(covers); 870 1.2.2.2 pgoyette UNUSED(now); 871 1.2.2.2 pgoyette UNUSED(sigrdataset); 872 1.2.2.2 pgoyette 873 1.2.2.2 pgoyette if (type == dns_rdatatype_sig || type == dns_rdatatype_rrsig) 874 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 875 1.2.2.2 pgoyette 876 1.2.2.2 pgoyette list = ISC_LIST_HEAD(sdlznode->lists); 877 1.2.2.2 pgoyette while (list != NULL) { 878 1.2.2.2 pgoyette if (list->type == type) 879 1.2.2.2 pgoyette break; 880 1.2.2.2 pgoyette list = ISC_LIST_NEXT(list, link); 881 1.2.2.2 pgoyette } 882 1.2.2.2 pgoyette if (list == NULL) 883 1.2.2.2 pgoyette return (ISC_R_NOTFOUND); 884 1.2.2.2 pgoyette 885 1.2.2.2 pgoyette list_tordataset(list, db, node, rdataset); 886 1.2.2.2 pgoyette 887 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 888 1.2.2.2 pgoyette } 889 1.2.2.2 pgoyette 890 1.2.2.2 pgoyette static isc_result_t 891 1.2.2.2 pgoyette findext(dns_db_t *db, const dns_name_t *name, dns_dbversion_t *version, 892 1.2.2.2 pgoyette dns_rdatatype_t type, unsigned int options, isc_stdtime_t now, 893 1.2.2.2 pgoyette dns_dbnode_t **nodep, dns_name_t *foundname, 894 1.2.2.2 pgoyette dns_clientinfomethods_t *methods, dns_clientinfo_t *clientinfo, 895 1.2.2.2 pgoyette dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) 896 1.2.2.2 pgoyette { 897 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 898 1.2.2.2 pgoyette dns_dbnode_t *node = NULL; 899 1.2.2.2 pgoyette dns_fixedname_t fname; 900 1.2.2.2 pgoyette dns_rdataset_t xrdataset; 901 1.2.2.2 pgoyette dns_name_t *xname; 902 1.2.2.2 pgoyette unsigned int nlabels, olabels; 903 1.2.2.2 pgoyette isc_result_t result; 904 1.2.2.2 pgoyette unsigned int i; 905 1.2.2.2 pgoyette 906 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 907 1.2.2.2 pgoyette REQUIRE(nodep == NULL || *nodep == NULL); 908 1.2.2.2 pgoyette REQUIRE(version == NULL || 909 1.2.2.2 pgoyette version == (void*)&sdlz->dummy_version || 910 1.2.2.2 pgoyette version == sdlz->future_version); 911 1.2.2.2 pgoyette 912 1.2.2.2 pgoyette UNUSED(sdlz); 913 1.2.2.2 pgoyette 914 1.2.2.2 pgoyette if (!dns_name_issubdomain(name, &db->origin)) 915 1.2.2.2 pgoyette return (DNS_R_NXDOMAIN); 916 1.2.2.2 pgoyette 917 1.2.2.2 pgoyette olabels = dns_name_countlabels(&db->origin); 918 1.2.2.2 pgoyette nlabels = dns_name_countlabels(name); 919 1.2.2.2 pgoyette 920 1.2.2.2 pgoyette xname = dns_fixedname_initname(&fname); 921 1.2.2.2 pgoyette 922 1.2.2.2 pgoyette if (rdataset == NULL) { 923 1.2.2.2 pgoyette dns_rdataset_init(&xrdataset); 924 1.2.2.2 pgoyette rdataset = &xrdataset; 925 1.2.2.2 pgoyette } 926 1.2.2.2 pgoyette 927 1.2.2.2 pgoyette result = DNS_R_NXDOMAIN; 928 1.2.2.2 pgoyette 929 1.2.2.2 pgoyette /* 930 1.2.2.2 pgoyette * If we're not walking down searching for zone 931 1.2.2.2 pgoyette * cuts, we can cut straight to the chase 932 1.2.2.2 pgoyette */ 933 1.2.2.2 pgoyette if ((options & DNS_DBFIND_NOZONECUT) != 0) { 934 1.2.2.2 pgoyette i = nlabels; 935 1.2.2.2 pgoyette goto search; 936 1.2.2.2 pgoyette } 937 1.2.2.2 pgoyette 938 1.2.2.2 pgoyette for (i = olabels; i <= nlabels; i++) { 939 1.2.2.2 pgoyette search: 940 1.2.2.2 pgoyette /* 941 1.2.2.2 pgoyette * Look up the next label. 942 1.2.2.2 pgoyette */ 943 1.2.2.2 pgoyette dns_name_getlabelsequence(name, nlabels - i, i, xname); 944 1.2.2.2 pgoyette result = getnodedata(db, xname, ISC_FALSE, options, 945 1.2.2.2 pgoyette methods, clientinfo, &node); 946 1.2.2.2 pgoyette if (result == ISC_R_NOTFOUND) { 947 1.2.2.2 pgoyette result = DNS_R_NXDOMAIN; 948 1.2.2.2 pgoyette continue; 949 1.2.2.2 pgoyette } else if (result != ISC_R_SUCCESS) 950 1.2.2.2 pgoyette break; 951 1.2.2.2 pgoyette 952 1.2.2.2 pgoyette /* 953 1.2.2.2 pgoyette * Look for a DNAME at the current label, unless this is 954 1.2.2.2 pgoyette * the qname. 955 1.2.2.2 pgoyette */ 956 1.2.2.2 pgoyette if (i < nlabels) { 957 1.2.2.2 pgoyette result = findrdataset(db, node, version, 958 1.2.2.2 pgoyette dns_rdatatype_dname, 0, now, 959 1.2.2.2 pgoyette rdataset, sigrdataset); 960 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) { 961 1.2.2.2 pgoyette result = DNS_R_DNAME; 962 1.2.2.2 pgoyette break; 963 1.2.2.2 pgoyette } 964 1.2.2.2 pgoyette } 965 1.2.2.2 pgoyette 966 1.2.2.2 pgoyette /* 967 1.2.2.2 pgoyette * Look for an NS at the current label, unless this is the 968 1.2.2.2 pgoyette * origin, glue is ok, or there are known to be no zone cuts. 969 1.2.2.2 pgoyette */ 970 1.2.2.2 pgoyette if (i != olabels && (options & DNS_DBFIND_GLUEOK) == 0 && 971 1.2.2.2 pgoyette (options & DNS_DBFIND_NOZONECUT) == 0) 972 1.2.2.2 pgoyette { 973 1.2.2.2 pgoyette result = findrdataset(db, node, version, 974 1.2.2.2 pgoyette dns_rdatatype_ns, 0, now, 975 1.2.2.2 pgoyette rdataset, sigrdataset); 976 1.2.2.2 pgoyette 977 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS && 978 1.2.2.2 pgoyette i == nlabels && type == dns_rdatatype_any) 979 1.2.2.2 pgoyette { 980 1.2.2.2 pgoyette result = DNS_R_ZONECUT; 981 1.2.2.2 pgoyette dns_rdataset_disassociate(rdataset); 982 1.2.2.2 pgoyette if (sigrdataset != NULL && 983 1.2.2.2 pgoyette dns_rdataset_isassociated(sigrdataset)) 984 1.2.2.2 pgoyette dns_rdataset_disassociate(sigrdataset); 985 1.2.2.2 pgoyette break; 986 1.2.2.2 pgoyette } else if (result == ISC_R_SUCCESS) { 987 1.2.2.2 pgoyette result = DNS_R_DELEGATION; 988 1.2.2.2 pgoyette break; 989 1.2.2.2 pgoyette } 990 1.2.2.2 pgoyette } 991 1.2.2.2 pgoyette 992 1.2.2.2 pgoyette /* 993 1.2.2.2 pgoyette * If the current name is not the qname, add another label 994 1.2.2.2 pgoyette * and try again. 995 1.2.2.2 pgoyette */ 996 1.2.2.2 pgoyette if (i < nlabels) { 997 1.2.2.2 pgoyette destroynode(node); 998 1.2.2.2 pgoyette node = NULL; 999 1.2.2.2 pgoyette continue; 1000 1.2.2.2 pgoyette } 1001 1.2.2.2 pgoyette 1002 1.2.2.2 pgoyette /* 1003 1.2.2.2 pgoyette * If we're looking for ANY, we're done. 1004 1.2.2.2 pgoyette */ 1005 1.2.2.2 pgoyette if (type == dns_rdatatype_any) { 1006 1.2.2.2 pgoyette result = ISC_R_SUCCESS; 1007 1.2.2.2 pgoyette break; 1008 1.2.2.2 pgoyette } 1009 1.2.2.2 pgoyette 1010 1.2.2.2 pgoyette /* 1011 1.2.2.2 pgoyette * Look for the qtype. 1012 1.2.2.2 pgoyette */ 1013 1.2.2.2 pgoyette result = findrdataset(db, node, version, type, 0, now, 1014 1.2.2.2 pgoyette rdataset, sigrdataset); 1015 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) 1016 1.2.2.2 pgoyette break; 1017 1.2.2.2 pgoyette 1018 1.2.2.2 pgoyette /* 1019 1.2.2.2 pgoyette * Look for a CNAME 1020 1.2.2.2 pgoyette */ 1021 1.2.2.2 pgoyette if (type != dns_rdatatype_cname) { 1022 1.2.2.2 pgoyette result = findrdataset(db, node, version, 1023 1.2.2.2 pgoyette dns_rdatatype_cname, 0, now, 1024 1.2.2.2 pgoyette rdataset, sigrdataset); 1025 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) { 1026 1.2.2.2 pgoyette result = DNS_R_CNAME; 1027 1.2.2.2 pgoyette break; 1028 1.2.2.2 pgoyette } 1029 1.2.2.2 pgoyette } 1030 1.2.2.2 pgoyette 1031 1.2.2.2 pgoyette result = DNS_R_NXRRSET; 1032 1.2.2.2 pgoyette break; 1033 1.2.2.2 pgoyette } 1034 1.2.2.2 pgoyette 1035 1.2.2.2 pgoyette if (rdataset == &xrdataset && dns_rdataset_isassociated(rdataset)) 1036 1.2.2.2 pgoyette dns_rdataset_disassociate(rdataset); 1037 1.2.2.2 pgoyette 1038 1.2.2.2 pgoyette if (foundname != NULL) { 1039 1.2.2.2 pgoyette isc_result_t xresult; 1040 1.2.2.2 pgoyette 1041 1.2.2.2 pgoyette xresult = dns_name_copy(xname, foundname, NULL); 1042 1.2.2.2 pgoyette if (xresult != ISC_R_SUCCESS) { 1043 1.2.2.2 pgoyette if (node != NULL) 1044 1.2.2.2 pgoyette destroynode(node); 1045 1.2.2.2 pgoyette if (dns_rdataset_isassociated(rdataset)) 1046 1.2.2.2 pgoyette dns_rdataset_disassociate(rdataset); 1047 1.2.2.2 pgoyette return (DNS_R_BADDB); 1048 1.2.2.2 pgoyette } 1049 1.2.2.2 pgoyette } 1050 1.2.2.2 pgoyette 1051 1.2.2.2 pgoyette if (nodep != NULL) 1052 1.2.2.2 pgoyette *nodep = node; 1053 1.2.2.2 pgoyette else if (node != NULL) 1054 1.2.2.2 pgoyette detachnode(db, &node); 1055 1.2.2.2 pgoyette 1056 1.2.2.2 pgoyette return (result); 1057 1.2.2.2 pgoyette } 1058 1.2.2.2 pgoyette 1059 1.2.2.2 pgoyette static isc_result_t 1060 1.2.2.2 pgoyette find(dns_db_t *db, const dns_name_t *name, dns_dbversion_t *version, 1061 1.2.2.2 pgoyette dns_rdatatype_t type, unsigned int options, isc_stdtime_t now, 1062 1.2.2.2 pgoyette dns_dbnode_t **nodep, dns_name_t *foundname, 1063 1.2.2.2 pgoyette dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) 1064 1.2.2.2 pgoyette { 1065 1.2.2.2 pgoyette return (findext(db, name, version, type, options, now, nodep, 1066 1.2.2.2 pgoyette foundname, NULL, NULL, rdataset, sigrdataset)); 1067 1.2.2.2 pgoyette } 1068 1.2.2.2 pgoyette 1069 1.2.2.2 pgoyette static isc_result_t 1070 1.2.2.2 pgoyette allrdatasets(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 1071 1.2.2.2 pgoyette isc_stdtime_t now, dns_rdatasetiter_t **iteratorp) 1072 1.2.2.2 pgoyette { 1073 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *) db; 1074 1.2.2.2 pgoyette sdlz_rdatasetiter_t *iterator; 1075 1.2.2.2 pgoyette 1076 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1077 1.2.2.2 pgoyette 1078 1.2.2.2 pgoyette REQUIRE(version == NULL || 1079 1.2.2.2 pgoyette version == (void*)&sdlz->dummy_version || 1080 1.2.2.2 pgoyette version == sdlz->future_version); 1081 1.2.2.2 pgoyette 1082 1.2.2.2 pgoyette UNUSED(version); 1083 1.2.2.2 pgoyette UNUSED(now); 1084 1.2.2.2 pgoyette 1085 1.2.2.2 pgoyette iterator = isc_mem_get(db->mctx, sizeof(sdlz_rdatasetiter_t)); 1086 1.2.2.2 pgoyette if (iterator == NULL) 1087 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 1088 1.2.2.2 pgoyette 1089 1.2.2.2 pgoyette iterator->common.magic = DNS_RDATASETITER_MAGIC; 1090 1.2.2.2 pgoyette iterator->common.methods = &rdatasetiter_methods; 1091 1.2.2.2 pgoyette iterator->common.db = db; 1092 1.2.2.2 pgoyette iterator->common.node = NULL; 1093 1.2.2.2 pgoyette attachnode(db, node, &iterator->common.node); 1094 1.2.2.2 pgoyette iterator->common.version = version; 1095 1.2.2.2 pgoyette iterator->common.now = now; 1096 1.2.2.2 pgoyette 1097 1.2.2.2 pgoyette *iteratorp = (dns_rdatasetiter_t *)iterator; 1098 1.2.2.2 pgoyette 1099 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1100 1.2.2.2 pgoyette } 1101 1.2.2.2 pgoyette 1102 1.2.2.2 pgoyette static isc_result_t 1103 1.2.2.2 pgoyette modrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 1104 1.2.2.2 pgoyette dns_rdataset_t *rdataset, unsigned int options, 1105 1.2.2.2 pgoyette dns_sdlzmodrdataset_t mod_function) 1106 1.2.2.2 pgoyette { 1107 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 1108 1.2.2.2 pgoyette dns_master_style_t *style = NULL; 1109 1.2.2.2 pgoyette isc_result_t result; 1110 1.2.2.2 pgoyette isc_buffer_t *buffer = NULL; 1111 1.2.2.2 pgoyette isc_mem_t *mctx; 1112 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode; 1113 1.2.2.2 pgoyette char *rdatastr = NULL; 1114 1.2.2.2 pgoyette char name[DNS_NAME_MAXTEXT + 1]; 1115 1.2.2.2 pgoyette 1116 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1117 1.2.2.2 pgoyette 1118 1.2.2.2 pgoyette if (mod_function == NULL) 1119 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1120 1.2.2.2 pgoyette 1121 1.2.2.2 pgoyette sdlznode = (dns_sdlznode_t *)node; 1122 1.2.2.2 pgoyette 1123 1.2.2.2 pgoyette UNUSED(options); 1124 1.2.2.2 pgoyette 1125 1.2.2.2 pgoyette dns_name_format(sdlznode->name, name, sizeof(name)); 1126 1.2.2.2 pgoyette 1127 1.2.2.2 pgoyette mctx = sdlz->common.mctx; 1128 1.2.2.2 pgoyette 1129 1.2.2.2 pgoyette result = isc_buffer_allocate(mctx, &buffer, 1024); 1130 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1131 1.2.2.2 pgoyette return (result); 1132 1.2.2.2 pgoyette 1133 1.2.2.2 pgoyette result = dns_master_stylecreate(&style, 0, 0, 0, 0, 0, 0, 1, mctx); 1134 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1135 1.2.2.2 pgoyette goto cleanup; 1136 1.2.2.2 pgoyette 1137 1.2.2.2 pgoyette result = dns_master_rdatasettotext(sdlznode->name, rdataset, 1138 1.2.2.2 pgoyette style, buffer); 1139 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1140 1.2.2.2 pgoyette goto cleanup; 1141 1.2.2.2 pgoyette 1142 1.2.2.2 pgoyette if (isc_buffer_usedlength(buffer) < 1) { 1143 1.2.2.2 pgoyette result = ISC_R_BADADDRESSFORM; 1144 1.2.2.2 pgoyette goto cleanup; 1145 1.2.2.2 pgoyette } 1146 1.2.2.2 pgoyette 1147 1.2.2.2 pgoyette rdatastr = isc_buffer_base(buffer); 1148 1.2.2.2 pgoyette if (rdatastr == NULL) { 1149 1.2.2.2 pgoyette result = ISC_R_NOMEMORY; 1150 1.2.2.2 pgoyette goto cleanup; 1151 1.2.2.2 pgoyette } 1152 1.2.2.2 pgoyette rdatastr[isc_buffer_usedlength(buffer) - 1] = 0; 1153 1.2.2.2 pgoyette 1154 1.2.2.2 pgoyette MAYBE_LOCK(sdlz->dlzimp); 1155 1.2.2.2 pgoyette result = mod_function(name, rdatastr, sdlz->dlzimp->driverarg, 1156 1.2.2.2 pgoyette sdlz->dbdata, version); 1157 1.2.2.2 pgoyette MAYBE_UNLOCK(sdlz->dlzimp); 1158 1.2.2.2 pgoyette 1159 1.2.2.2 pgoyette cleanup: 1160 1.2.2.2 pgoyette isc_buffer_free(&buffer); 1161 1.2.2.2 pgoyette if (style != NULL) 1162 1.2.2.2 pgoyette dns_master_styledestroy(&style, mctx); 1163 1.2.2.2 pgoyette 1164 1.2.2.2 pgoyette return (result); 1165 1.2.2.2 pgoyette } 1166 1.2.2.2 pgoyette 1167 1.2.2.2 pgoyette static isc_result_t 1168 1.2.2.2 pgoyette addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 1169 1.2.2.2 pgoyette isc_stdtime_t now, dns_rdataset_t *rdataset, unsigned int options, 1170 1.2.2.2 pgoyette dns_rdataset_t *addedrdataset) 1171 1.2.2.2 pgoyette { 1172 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 1173 1.2.2.2 pgoyette isc_result_t result; 1174 1.2.2.2 pgoyette 1175 1.2.2.2 pgoyette UNUSED(now); 1176 1.2.2.2 pgoyette UNUSED(addedrdataset); 1177 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1178 1.2.2.2 pgoyette 1179 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->addrdataset == NULL) 1180 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1181 1.2.2.2 pgoyette 1182 1.2.2.2 pgoyette result = modrdataset(db, node, version, rdataset, options, 1183 1.2.2.2 pgoyette sdlz->dlzimp->methods->addrdataset); 1184 1.2.2.2 pgoyette return (result); 1185 1.2.2.2 pgoyette } 1186 1.2.2.2 pgoyette 1187 1.2.2.2 pgoyette 1188 1.2.2.2 pgoyette static isc_result_t 1189 1.2.2.2 pgoyette subtractrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 1190 1.2.2.2 pgoyette dns_rdataset_t *rdataset, unsigned int options, 1191 1.2.2.2 pgoyette dns_rdataset_t *newrdataset) 1192 1.2.2.2 pgoyette { 1193 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 1194 1.2.2.2 pgoyette isc_result_t result; 1195 1.2.2.2 pgoyette 1196 1.2.2.2 pgoyette UNUSED(newrdataset); 1197 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1198 1.2.2.2 pgoyette 1199 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->subtractrdataset == NULL) { 1200 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1201 1.2.2.2 pgoyette } 1202 1.2.2.2 pgoyette 1203 1.2.2.2 pgoyette result = modrdataset(db, node, version, rdataset, options, 1204 1.2.2.2 pgoyette sdlz->dlzimp->methods->subtractrdataset); 1205 1.2.2.2 pgoyette return (result); 1206 1.2.2.2 pgoyette } 1207 1.2.2.2 pgoyette 1208 1.2.2.2 pgoyette static isc_result_t 1209 1.2.2.2 pgoyette deleterdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 1210 1.2.2.2 pgoyette dns_rdatatype_t type, dns_rdatatype_t covers) 1211 1.2.2.2 pgoyette { 1212 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 1213 1.2.2.2 pgoyette char name[DNS_NAME_MAXTEXT + 1]; 1214 1.2.2.2 pgoyette char b_type[DNS_RDATATYPE_FORMATSIZE]; 1215 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode; 1216 1.2.2.2 pgoyette isc_result_t result; 1217 1.2.2.2 pgoyette 1218 1.2.2.2 pgoyette UNUSED(covers); 1219 1.2.2.2 pgoyette 1220 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1221 1.2.2.2 pgoyette 1222 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->delrdataset == NULL) 1223 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1224 1.2.2.2 pgoyette 1225 1.2.2.2 pgoyette sdlznode = (dns_sdlznode_t *)node; 1226 1.2.2.2 pgoyette dns_name_format(sdlznode->name, name, sizeof(name)); 1227 1.2.2.2 pgoyette dns_rdatatype_format(type, b_type, sizeof(b_type)); 1228 1.2.2.2 pgoyette 1229 1.2.2.2 pgoyette MAYBE_LOCK(sdlz->dlzimp); 1230 1.2.2.2 pgoyette result = sdlz->dlzimp->methods->delrdataset(name, b_type, 1231 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 1232 1.2.2.2 pgoyette sdlz->dbdata, version); 1233 1.2.2.2 pgoyette MAYBE_UNLOCK(sdlz->dlzimp); 1234 1.2.2.2 pgoyette 1235 1.2.2.2 pgoyette return (result); 1236 1.2.2.2 pgoyette } 1237 1.2.2.2 pgoyette 1238 1.2.2.2 pgoyette static isc_boolean_t 1239 1.2.2.2 pgoyette issecure(dns_db_t *db) { 1240 1.2.2.2 pgoyette UNUSED(db); 1241 1.2.2.2 pgoyette 1242 1.2.2.2 pgoyette return (ISC_FALSE); 1243 1.2.2.2 pgoyette } 1244 1.2.2.2 pgoyette 1245 1.2.2.2 pgoyette static unsigned int 1246 1.2.2.2 pgoyette nodecount(dns_db_t *db) { 1247 1.2.2.2 pgoyette UNUSED(db); 1248 1.2.2.2 pgoyette 1249 1.2.2.2 pgoyette return (0); 1250 1.2.2.2 pgoyette } 1251 1.2.2.2 pgoyette 1252 1.2.2.2 pgoyette static isc_boolean_t 1253 1.2.2.2 pgoyette ispersistent(dns_db_t *db) { 1254 1.2.2.2 pgoyette UNUSED(db); 1255 1.2.2.2 pgoyette return (ISC_TRUE); 1256 1.2.2.2 pgoyette } 1257 1.2.2.2 pgoyette 1258 1.2.2.2 pgoyette static void 1259 1.2.2.2 pgoyette overmem(dns_db_t *db, isc_boolean_t over) { 1260 1.2.2.2 pgoyette UNUSED(db); 1261 1.2.2.2 pgoyette UNUSED(over); 1262 1.2.2.2 pgoyette } 1263 1.2.2.2 pgoyette 1264 1.2.2.2 pgoyette static void 1265 1.2.2.2 pgoyette settask(dns_db_t *db, isc_task_t *task) { 1266 1.2.2.2 pgoyette UNUSED(db); 1267 1.2.2.2 pgoyette UNUSED(task); 1268 1.2.2.2 pgoyette } 1269 1.2.2.2 pgoyette 1270 1.2.2.2 pgoyette /* 1271 1.2.2.2 pgoyette * getoriginnode() is used by the update code to find the 1272 1.2.2.2 pgoyette * dns_rdatatype_dnskey record for a zone 1273 1.2.2.2 pgoyette */ 1274 1.2.2.2 pgoyette static isc_result_t 1275 1.2.2.2 pgoyette getoriginnode(dns_db_t *db, dns_dbnode_t **nodep) { 1276 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 1277 1.2.2.2 pgoyette isc_result_t result; 1278 1.2.2.2 pgoyette 1279 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1280 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->newversion == NULL) 1281 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1282 1.2.2.2 pgoyette 1283 1.2.2.2 pgoyette result = getnodedata(db, &sdlz->common.origin, ISC_FALSE, 1284 1.2.2.2 pgoyette 0, NULL, NULL, nodep); 1285 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1286 1.2.2.2 pgoyette sdlz_log(ISC_LOG_ERROR, "sdlz getoriginnode failed: %s", 1287 1.2.2.2 pgoyette isc_result_totext(result)); 1288 1.2.2.2 pgoyette return (result); 1289 1.2.2.2 pgoyette } 1290 1.2.2.2 pgoyette 1291 1.2.2.2 pgoyette static dns_dbmethods_t sdlzdb_methods = { 1292 1.2.2.2 pgoyette attach, 1293 1.2.2.2 pgoyette detach, 1294 1.2.2.2 pgoyette beginload, 1295 1.2.2.2 pgoyette endload, 1296 1.2.2.2 pgoyette NULL, /* serialize */ 1297 1.2.2.2 pgoyette dump, 1298 1.2.2.2 pgoyette currentversion, 1299 1.2.2.2 pgoyette newversion, 1300 1.2.2.2 pgoyette attachversion, 1301 1.2.2.2 pgoyette closeversion, 1302 1.2.2.2 pgoyette findnode, 1303 1.2.2.2 pgoyette find, 1304 1.2.2.2 pgoyette findzonecut, 1305 1.2.2.2 pgoyette attachnode, 1306 1.2.2.2 pgoyette detachnode, 1307 1.2.2.2 pgoyette expirenode, 1308 1.2.2.2 pgoyette printnode, 1309 1.2.2.2 pgoyette createiterator, 1310 1.2.2.2 pgoyette findrdataset, 1311 1.2.2.2 pgoyette allrdatasets, 1312 1.2.2.2 pgoyette addrdataset, 1313 1.2.2.2 pgoyette subtractrdataset, 1314 1.2.2.2 pgoyette deleterdataset, 1315 1.2.2.2 pgoyette issecure, 1316 1.2.2.2 pgoyette nodecount, 1317 1.2.2.2 pgoyette ispersistent, 1318 1.2.2.2 pgoyette overmem, 1319 1.2.2.2 pgoyette settask, 1320 1.2.2.2 pgoyette getoriginnode, 1321 1.2.2.2 pgoyette NULL, /* transfernode */ 1322 1.2.2.2 pgoyette NULL, /* getnsec3parameters */ 1323 1.2.2.2 pgoyette NULL, /* findnsec3node */ 1324 1.2.2.2 pgoyette NULL, /* setsigningtime */ 1325 1.2.2.2 pgoyette NULL, /* getsigningtime */ 1326 1.2.2.2 pgoyette NULL, /* resigned */ 1327 1.2.2.2 pgoyette NULL, /* isdnssec */ 1328 1.2.2.2 pgoyette NULL, /* getrrsetstats */ 1329 1.2.2.2 pgoyette NULL, /* rpz_attach */ 1330 1.2.2.2 pgoyette NULL, /* rpz_ready */ 1331 1.2.2.2 pgoyette findnodeext, 1332 1.2.2.2 pgoyette findext, 1333 1.2.2.2 pgoyette NULL, /* setcachestats */ 1334 1.2.2.2 pgoyette NULL, /* hashsize */ 1335 1.2.2.2 pgoyette NULL, /* nodefullname */ 1336 1.2.2.2 pgoyette NULL, /* getsize */ 1337 1.2.2.2 pgoyette NULL, /* setservestalettl */ 1338 1.2.2.2 pgoyette NULL, /* getservestalettl */ 1339 1.2.2.2 pgoyette NULL /* setgluecachestats */ 1340 1.2.2.2 pgoyette }; 1341 1.2.2.2 pgoyette 1342 1.2.2.2 pgoyette /* 1343 1.2.2.2 pgoyette * Database Iterator Methods. These methods were "borrowed" from the SDB 1344 1.2.2.2 pgoyette * driver interface. See the SDB driver interface documentation for more info. 1345 1.2.2.2 pgoyette */ 1346 1.2.2.2 pgoyette 1347 1.2.2.2 pgoyette static void 1348 1.2.2.2 pgoyette dbiterator_destroy(dns_dbiterator_t **iteratorp) { 1349 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)(*iteratorp); 1350 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)sdlziter->common.db; 1351 1.2.2.2 pgoyette 1352 1.2.2.2 pgoyette while (!ISC_LIST_EMPTY(sdlziter->nodelist)) { 1353 1.2.2.2 pgoyette dns_sdlznode_t *node; 1354 1.2.2.2 pgoyette node = ISC_LIST_HEAD(sdlziter->nodelist); 1355 1.2.2.2 pgoyette ISC_LIST_UNLINK(sdlziter->nodelist, node, link); 1356 1.2.2.2 pgoyette destroynode(node); 1357 1.2.2.2 pgoyette } 1358 1.2.2.2 pgoyette 1359 1.2.2.2 pgoyette dns_db_detach(&sdlziter->common.db); 1360 1.2.2.2 pgoyette isc_mem_put(sdlz->common.mctx, sdlziter, sizeof(sdlz_dbiterator_t)); 1361 1.2.2.2 pgoyette 1362 1.2.2.2 pgoyette *iteratorp = NULL; 1363 1.2.2.2 pgoyette } 1364 1.2.2.2 pgoyette 1365 1.2.2.2 pgoyette static isc_result_t 1366 1.2.2.2 pgoyette dbiterator_first(dns_dbiterator_t *iterator) { 1367 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1368 1.2.2.2 pgoyette 1369 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_HEAD(sdlziter->nodelist); 1370 1.2.2.2 pgoyette if (sdlziter->current == NULL) 1371 1.2.2.2 pgoyette return (ISC_R_NOMORE); 1372 1.2.2.2 pgoyette else 1373 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1374 1.2.2.2 pgoyette } 1375 1.2.2.2 pgoyette 1376 1.2.2.2 pgoyette static isc_result_t 1377 1.2.2.2 pgoyette dbiterator_last(dns_dbiterator_t *iterator) { 1378 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1379 1.2.2.2 pgoyette 1380 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_TAIL(sdlziter->nodelist); 1381 1.2.2.2 pgoyette if (sdlziter->current == NULL) 1382 1.2.2.2 pgoyette return (ISC_R_NOMORE); 1383 1.2.2.2 pgoyette else 1384 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1385 1.2.2.2 pgoyette } 1386 1.2.2.2 pgoyette 1387 1.2.2.2 pgoyette static isc_result_t 1388 1.2.2.2 pgoyette dbiterator_seek(dns_dbiterator_t *iterator, const dns_name_t *name) { 1389 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1390 1.2.2.2 pgoyette 1391 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_HEAD(sdlziter->nodelist); 1392 1.2.2.2 pgoyette while (sdlziter->current != NULL) { 1393 1.2.2.2 pgoyette if (dns_name_equal(sdlziter->current->name, name)) 1394 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1395 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_NEXT(sdlziter->current, link); 1396 1.2.2.2 pgoyette } 1397 1.2.2.2 pgoyette return (ISC_R_NOTFOUND); 1398 1.2.2.2 pgoyette } 1399 1.2.2.2 pgoyette 1400 1.2.2.2 pgoyette static isc_result_t 1401 1.2.2.2 pgoyette dbiterator_prev(dns_dbiterator_t *iterator) { 1402 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1403 1.2.2.2 pgoyette 1404 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_PREV(sdlziter->current, link); 1405 1.2.2.2 pgoyette if (sdlziter->current == NULL) 1406 1.2.2.2 pgoyette return (ISC_R_NOMORE); 1407 1.2.2.2 pgoyette else 1408 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1409 1.2.2.2 pgoyette } 1410 1.2.2.2 pgoyette 1411 1.2.2.2 pgoyette static isc_result_t 1412 1.2.2.2 pgoyette dbiterator_next(dns_dbiterator_t *iterator) { 1413 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1414 1.2.2.2 pgoyette 1415 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_NEXT(sdlziter->current, link); 1416 1.2.2.2 pgoyette if (sdlziter->current == NULL) 1417 1.2.2.2 pgoyette return (ISC_R_NOMORE); 1418 1.2.2.2 pgoyette else 1419 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1420 1.2.2.2 pgoyette } 1421 1.2.2.2 pgoyette 1422 1.2.2.2 pgoyette static isc_result_t 1423 1.2.2.2 pgoyette dbiterator_current(dns_dbiterator_t *iterator, dns_dbnode_t **nodep, 1424 1.2.2.2 pgoyette dns_name_t *name) 1425 1.2.2.2 pgoyette { 1426 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1427 1.2.2.2 pgoyette 1428 1.2.2.2 pgoyette attachnode(iterator->db, sdlziter->current, nodep); 1429 1.2.2.2 pgoyette if (name != NULL) 1430 1.2.2.2 pgoyette return (dns_name_copy(sdlziter->current->name, name, NULL)); 1431 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1432 1.2.2.2 pgoyette } 1433 1.2.2.2 pgoyette 1434 1.2.2.2 pgoyette static isc_result_t 1435 1.2.2.2 pgoyette dbiterator_pause(dns_dbiterator_t *iterator) { 1436 1.2.2.2 pgoyette UNUSED(iterator); 1437 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1438 1.2.2.2 pgoyette } 1439 1.2.2.2 pgoyette 1440 1.2.2.2 pgoyette static isc_result_t 1441 1.2.2.2 pgoyette dbiterator_origin(dns_dbiterator_t *iterator, dns_name_t *name) { 1442 1.2.2.2 pgoyette UNUSED(iterator); 1443 1.2.2.2 pgoyette return (dns_name_copy(dns_rootname, name, NULL)); 1444 1.2.2.2 pgoyette } 1445 1.2.2.2 pgoyette 1446 1.2.2.2 pgoyette /* 1447 1.2.2.2 pgoyette * Rdataset Methods. These methods were "borrowed" from the SDB driver 1448 1.2.2.2 pgoyette * interface. See the SDB driver interface documentation for more info. 1449 1.2.2.2 pgoyette */ 1450 1.2.2.2 pgoyette 1451 1.2.2.2 pgoyette static void 1452 1.2.2.2 pgoyette disassociate(dns_rdataset_t *rdataset) { 1453 1.2.2.2 pgoyette dns_dbnode_t *node = rdataset->private5; 1454 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode = (dns_sdlznode_t *) node; 1455 1.2.2.2 pgoyette dns_db_t *db = (dns_db_t *) sdlznode->sdlz; 1456 1.2.2.2 pgoyette 1457 1.2.2.2 pgoyette detachnode(db, &node); 1458 1.2.2.2 pgoyette isc__rdatalist_disassociate(rdataset); 1459 1.2.2.2 pgoyette } 1460 1.2.2.2 pgoyette 1461 1.2.2.2 pgoyette static void 1462 1.2.2.2 pgoyette rdataset_clone(dns_rdataset_t *source, dns_rdataset_t *target) { 1463 1.2.2.2 pgoyette dns_dbnode_t *node = source->private5; 1464 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode = (dns_sdlznode_t *) node; 1465 1.2.2.2 pgoyette dns_db_t *db = (dns_db_t *) sdlznode->sdlz; 1466 1.2.2.2 pgoyette dns_dbnode_t *tempdb = NULL; 1467 1.2.2.2 pgoyette 1468 1.2.2.2 pgoyette isc__rdatalist_clone(source, target); 1469 1.2.2.2 pgoyette attachnode(db, node, &tempdb); 1470 1.2.2.2 pgoyette source->private5 = tempdb; 1471 1.2.2.2 pgoyette } 1472 1.2.2.2 pgoyette 1473 1.2.2.2 pgoyette static dns_rdatasetmethods_t rdataset_methods = { 1474 1.2.2.2 pgoyette disassociate, 1475 1.2.2.2 pgoyette isc__rdatalist_first, 1476 1.2.2.2 pgoyette isc__rdatalist_next, 1477 1.2.2.2 pgoyette isc__rdatalist_current, 1478 1.2.2.2 pgoyette rdataset_clone, 1479 1.2.2.2 pgoyette isc__rdatalist_count, 1480 1.2.2.2 pgoyette isc__rdatalist_addnoqname, 1481 1.2.2.2 pgoyette isc__rdatalist_getnoqname, 1482 1.2.2.2 pgoyette NULL, /* addclosest */ 1483 1.2.2.2 pgoyette NULL, /* getclosest */ 1484 1.2.2.2 pgoyette NULL, /* settrust */ 1485 1.2.2.2 pgoyette NULL, /* expire */ 1486 1.2.2.2 pgoyette NULL, /* clearprefetch */ 1487 1.2.2.2 pgoyette NULL, /* setownercase */ 1488 1.2.2.2 pgoyette NULL, /* getownercase */ 1489 1.2.2.2 pgoyette NULL /* addglue */ 1490 1.2.2.2 pgoyette }; 1491 1.2.2.2 pgoyette 1492 1.2.2.2 pgoyette static void 1493 1.2.2.2 pgoyette list_tordataset(dns_rdatalist_t *rdatalist, 1494 1.2.2.2 pgoyette dns_db_t *db, dns_dbnode_t *node, 1495 1.2.2.2 pgoyette dns_rdataset_t *rdataset) 1496 1.2.2.2 pgoyette { 1497 1.2.2.2 pgoyette /* 1498 1.2.2.2 pgoyette * The sdlz rdataset is an rdatalist with some additions. 1499 1.2.2.2 pgoyette * - private1 & private2 are used by the rdatalist. 1500 1.2.2.2 pgoyette * - private3 & private 4 are unused. 1501 1.2.2.2 pgoyette * - private5 is the node. 1502 1.2.2.2 pgoyette */ 1503 1.2.2.2 pgoyette 1504 1.2.2.2 pgoyette /* This should never fail. */ 1505 1.2.2.2 pgoyette RUNTIME_CHECK(dns_rdatalist_tordataset(rdatalist, rdataset) == 1506 1.2.2.2 pgoyette ISC_R_SUCCESS); 1507 1.2.2.2 pgoyette 1508 1.2.2.2 pgoyette rdataset->methods = &rdataset_methods; 1509 1.2.2.2 pgoyette dns_db_attachnode(db, node, &rdataset->private5); 1510 1.2.2.2 pgoyette } 1511 1.2.2.2 pgoyette 1512 1.2.2.2 pgoyette /* 1513 1.2.2.2 pgoyette * SDLZ core methods. This is the core of the new DLZ functionality. 1514 1.2.2.2 pgoyette */ 1515 1.2.2.2 pgoyette 1516 1.2.2.2 pgoyette /*% 1517 1.2.2.2 pgoyette * Build a 'bind' database driver structure to be returned by 1518 1.2.2.2 pgoyette * either the find zone or the allow zone transfer method. 1519 1.2.2.2 pgoyette * This method is only available in this source file, it is 1520 1.2.2.2 pgoyette * not made available anywhere else. 1521 1.2.2.2 pgoyette */ 1522 1.2.2.2 pgoyette 1523 1.2.2.2 pgoyette static isc_result_t 1524 1.2.2.2 pgoyette dns_sdlzcreateDBP(isc_mem_t *mctx, void *driverarg, void *dbdata, 1525 1.2.2.2 pgoyette const dns_name_t *name, dns_rdataclass_t rdclass, 1526 1.2.2.2 pgoyette dns_db_t **dbp) 1527 1.2.2.2 pgoyette { 1528 1.2.2.2 pgoyette isc_result_t result; 1529 1.2.2.2 pgoyette dns_sdlz_db_t *sdlzdb; 1530 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1531 1.2.2.2 pgoyette 1532 1.2.2.2 pgoyette /* check that things are as we expect */ 1533 1.2.2.2 pgoyette REQUIRE(dbp != NULL && *dbp == NULL); 1534 1.2.2.2 pgoyette REQUIRE(name != NULL); 1535 1.2.2.2 pgoyette 1536 1.2.2.2 pgoyette imp = (dns_sdlzimplementation_t *) driverarg; 1537 1.2.2.2 pgoyette 1538 1.2.2.2 pgoyette /* allocate and zero memory for driver structure */ 1539 1.2.2.2 pgoyette sdlzdb = isc_mem_get(mctx, sizeof(dns_sdlz_db_t)); 1540 1.2.2.2 pgoyette if (sdlzdb == NULL) 1541 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 1542 1.2.2.2 pgoyette memset(sdlzdb, 0, sizeof(dns_sdlz_db_t)); 1543 1.2.2.2 pgoyette 1544 1.2.2.2 pgoyette /* initialize and set origin */ 1545 1.2.2.2 pgoyette dns_name_init(&sdlzdb->common.origin, NULL); 1546 1.2.2.2 pgoyette result = dns_name_dupwithoffsets(name, mctx, &sdlzdb->common.origin); 1547 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1548 1.2.2.2 pgoyette goto mem_cleanup; 1549 1.2.2.2 pgoyette 1550 1.2.2.2 pgoyette /* initialize the reference count mutex */ 1551 1.2.2.2 pgoyette result = isc_mutex_init(&sdlzdb->refcnt_lock); 1552 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1553 1.2.2.2 pgoyette goto name_cleanup; 1554 1.2.2.2 pgoyette 1555 1.2.2.2 pgoyette /* set the rest of the database structure attributes */ 1556 1.2.2.2 pgoyette sdlzdb->dlzimp = imp; 1557 1.2.2.2 pgoyette sdlzdb->common.methods = &sdlzdb_methods; 1558 1.2.2.2 pgoyette sdlzdb->common.attributes = 0; 1559 1.2.2.2 pgoyette sdlzdb->common.rdclass = rdclass; 1560 1.2.2.2 pgoyette sdlzdb->common.mctx = NULL; 1561 1.2.2.2 pgoyette sdlzdb->dbdata = dbdata; 1562 1.2.2.2 pgoyette sdlzdb->references = 1; 1563 1.2.2.2 pgoyette 1564 1.2.2.2 pgoyette /* attach to the memory context */ 1565 1.2.2.2 pgoyette isc_mem_attach(mctx, &sdlzdb->common.mctx); 1566 1.2.2.2 pgoyette 1567 1.2.2.2 pgoyette /* mark structure as valid */ 1568 1.2.2.2 pgoyette sdlzdb->common.magic = DNS_DB_MAGIC; 1569 1.2.2.2 pgoyette sdlzdb->common.impmagic = SDLZDB_MAGIC; 1570 1.2.2.2 pgoyette *dbp = (dns_db_t *) sdlzdb; 1571 1.2.2.2 pgoyette 1572 1.2.2.2 pgoyette return (result); 1573 1.2.2.2 pgoyette 1574 1.2.2.2 pgoyette /* 1575 1.2.2.2 pgoyette * reference count mutex could not be initialized, clean up 1576 1.2.2.2 pgoyette * name memory 1577 1.2.2.2 pgoyette */ 1578 1.2.2.2 pgoyette name_cleanup: 1579 1.2.2.2 pgoyette dns_name_free(&sdlzdb->common.origin, mctx); 1580 1.2.2.2 pgoyette mem_cleanup: 1581 1.2.2.2 pgoyette isc_mem_put(mctx, sdlzdb, sizeof(dns_sdlz_db_t)); 1582 1.2.2.2 pgoyette return (result); 1583 1.2.2.2 pgoyette } 1584 1.2.2.2 pgoyette 1585 1.2.2.2 pgoyette static isc_result_t 1586 1.2.2.2 pgoyette dns_sdlzallowzonexfr(void *driverarg, void *dbdata, isc_mem_t *mctx, 1587 1.2.2.2 pgoyette dns_rdataclass_t rdclass, const dns_name_t *name, 1588 1.2.2.2 pgoyette const isc_sockaddr_t *clientaddr, dns_db_t **dbp) 1589 1.2.2.2 pgoyette { 1590 1.2.2.2 pgoyette isc_buffer_t b; 1591 1.2.2.2 pgoyette isc_buffer_t b2; 1592 1.2.2.2 pgoyette char namestr[DNS_NAME_MAXTEXT + 1]; 1593 1.2.2.2 pgoyette char clientstr[(sizeof "xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:255.255.255.255") 1594 1.2.2.2 pgoyette + 1]; 1595 1.2.2.2 pgoyette isc_netaddr_t netaddr; 1596 1.2.2.2 pgoyette isc_result_t result; 1597 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1598 1.2.2.2 pgoyette 1599 1.2.2.2 pgoyette /* 1600 1.2.2.2 pgoyette * Perform checks to make sure data is as we expect it to be. 1601 1.2.2.2 pgoyette */ 1602 1.2.2.2 pgoyette REQUIRE(driverarg != NULL); 1603 1.2.2.2 pgoyette REQUIRE(name != NULL); 1604 1.2.2.2 pgoyette REQUIRE(clientaddr != NULL); 1605 1.2.2.2 pgoyette REQUIRE(dbp != NULL && *dbp == NULL); 1606 1.2.2.2 pgoyette 1607 1.2.2.2 pgoyette imp = (dns_sdlzimplementation_t *) driverarg; 1608 1.2.2.2 pgoyette 1609 1.2.2.2 pgoyette /* Convert DNS name to ascii text */ 1610 1.2.2.2 pgoyette isc_buffer_init(&b, namestr, sizeof(namestr)); 1611 1.2.2.2 pgoyette result = dns_name_totext(name, ISC_TRUE, &b); 1612 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1613 1.2.2.2 pgoyette return (result); 1614 1.2.2.2 pgoyette isc_buffer_putuint8(&b, 0); 1615 1.2.2.2 pgoyette 1616 1.2.2.2 pgoyette /* convert client address to ascii text */ 1617 1.2.2.2 pgoyette isc_buffer_init(&b2, clientstr, sizeof(clientstr)); 1618 1.2.2.2 pgoyette isc_netaddr_fromsockaddr(&netaddr, clientaddr); 1619 1.2.2.2 pgoyette result = isc_netaddr_totext(&netaddr, &b2); 1620 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1621 1.2.2.2 pgoyette return (result); 1622 1.2.2.2 pgoyette isc_buffer_putuint8(&b2, 0); 1623 1.2.2.2 pgoyette 1624 1.2.2.2 pgoyette /* make sure strings are always lowercase */ 1625 1.2.2.2 pgoyette dns_sdlz_tolower(namestr); 1626 1.2.2.2 pgoyette dns_sdlz_tolower(clientstr); 1627 1.2.2.2 pgoyette 1628 1.2.2.2 pgoyette /* Call SDLZ driver's find zone method */ 1629 1.2.2.2 pgoyette if (imp->methods->allowzonexfr != NULL) { 1630 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1631 1.2.2.2 pgoyette result = imp->methods->allowzonexfr(imp->driverarg, dbdata, 1632 1.2.2.2 pgoyette namestr, clientstr); 1633 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1634 1.2.2.2 pgoyette /* 1635 1.2.2.2 pgoyette * if zone is supported and transfers allowed build a 'bind' 1636 1.2.2.2 pgoyette * database driver 1637 1.2.2.2 pgoyette */ 1638 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) 1639 1.2.2.2 pgoyette result = dns_sdlzcreateDBP(mctx, driverarg, dbdata, 1640 1.2.2.2 pgoyette name, rdclass, dbp); 1641 1.2.2.2 pgoyette return (result); 1642 1.2.2.2 pgoyette } 1643 1.2.2.2 pgoyette 1644 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1645 1.2.2.2 pgoyette } 1646 1.2.2.2 pgoyette 1647 1.2.2.2 pgoyette static isc_result_t 1648 1.2.2.2 pgoyette dns_sdlzcreate(isc_mem_t *mctx, const char *dlzname, unsigned int argc, 1649 1.2.2.2 pgoyette char *argv[], void *driverarg, void **dbdata) 1650 1.2.2.2 pgoyette { 1651 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1652 1.2.2.2 pgoyette isc_result_t result = ISC_R_NOTFOUND; 1653 1.2.2.2 pgoyette 1654 1.2.2.2 pgoyette /* Write debugging message to log */ 1655 1.2.2.2 pgoyette sdlz_log(ISC_LOG_DEBUG(2), "Loading SDLZ driver."); 1656 1.2.2.2 pgoyette 1657 1.2.2.2 pgoyette /* 1658 1.2.2.2 pgoyette * Performs checks to make sure data is as we expect it to be. 1659 1.2.2.2 pgoyette */ 1660 1.2.2.2 pgoyette REQUIRE(driverarg != NULL); 1661 1.2.2.2 pgoyette REQUIRE(dlzname != NULL); 1662 1.2.2.2 pgoyette REQUIRE(dbdata != NULL); 1663 1.2.2.2 pgoyette UNUSED(mctx); 1664 1.2.2.2 pgoyette 1665 1.2.2.2 pgoyette imp = driverarg; 1666 1.2.2.2 pgoyette 1667 1.2.2.2 pgoyette /* If the create method exists, call it. */ 1668 1.2.2.2 pgoyette if (imp->methods->create != NULL) { 1669 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1670 1.2.2.2 pgoyette result = imp->methods->create(dlzname, argc, argv, 1671 1.2.2.2 pgoyette imp->driverarg, dbdata); 1672 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1673 1.2.2.2 pgoyette } 1674 1.2.2.2 pgoyette 1675 1.2.2.2 pgoyette /* Write debugging message to log */ 1676 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) { 1677 1.2.2.2 pgoyette sdlz_log(ISC_LOG_DEBUG(2), "SDLZ driver loaded successfully."); 1678 1.2.2.2 pgoyette } else { 1679 1.2.2.2 pgoyette sdlz_log(ISC_LOG_ERROR, "SDLZ driver failed to load."); 1680 1.2.2.2 pgoyette } 1681 1.2.2.2 pgoyette 1682 1.2.2.2 pgoyette return (result); 1683 1.2.2.2 pgoyette } 1684 1.2.2.2 pgoyette 1685 1.2.2.2 pgoyette static void 1686 1.2.2.2 pgoyette dns_sdlzdestroy(void *driverdata, void **dbdata) { 1687 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1688 1.2.2.2 pgoyette 1689 1.2.2.2 pgoyette /* Write debugging message to log */ 1690 1.2.2.2 pgoyette sdlz_log(ISC_LOG_DEBUG(2), "Unloading SDLZ driver."); 1691 1.2.2.2 pgoyette 1692 1.2.2.2 pgoyette imp = driverdata; 1693 1.2.2.2 pgoyette 1694 1.2.2.2 pgoyette /* If the destroy method exists, call it. */ 1695 1.2.2.2 pgoyette if (imp->methods->destroy != NULL) { 1696 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1697 1.2.2.2 pgoyette imp->methods->destroy(imp->driverarg, dbdata); 1698 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1699 1.2.2.2 pgoyette } 1700 1.2.2.2 pgoyette } 1701 1.2.2.2 pgoyette 1702 1.2.2.2 pgoyette static isc_result_t 1703 1.2.2.2 pgoyette dns_sdlzfindzone(void *driverarg, void *dbdata, isc_mem_t *mctx, 1704 1.2.2.2 pgoyette dns_rdataclass_t rdclass, const dns_name_t *name, 1705 1.2.2.2 pgoyette dns_clientinfomethods_t *methods, 1706 1.2.2.2 pgoyette dns_clientinfo_t *clientinfo, 1707 1.2.2.2 pgoyette dns_db_t **dbp) 1708 1.2.2.2 pgoyette { 1709 1.2.2.2 pgoyette isc_buffer_t b; 1710 1.2.2.2 pgoyette char namestr[DNS_NAME_MAXTEXT + 1]; 1711 1.2.2.2 pgoyette isc_result_t result; 1712 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1713 1.2.2.2 pgoyette 1714 1.2.2.2 pgoyette /* 1715 1.2.2.2 pgoyette * Perform checks to make sure data is as we expect it to be. 1716 1.2.2.2 pgoyette */ 1717 1.2.2.2 pgoyette REQUIRE(driverarg != NULL); 1718 1.2.2.2 pgoyette REQUIRE(name != NULL); 1719 1.2.2.2 pgoyette REQUIRE(dbp != NULL && *dbp == NULL); 1720 1.2.2.2 pgoyette 1721 1.2.2.2 pgoyette imp = (dns_sdlzimplementation_t *) driverarg; 1722 1.2.2.2 pgoyette 1723 1.2.2.2 pgoyette /* Convert DNS name to ascii text */ 1724 1.2.2.2 pgoyette isc_buffer_init(&b, namestr, sizeof(namestr)); 1725 1.2.2.2 pgoyette result = dns_name_totext(name, ISC_TRUE, &b); 1726 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1727 1.2.2.2 pgoyette return (result); 1728 1.2.2.2 pgoyette isc_buffer_putuint8(&b, 0); 1729 1.2.2.2 pgoyette 1730 1.2.2.2 pgoyette /* make sure strings are always lowercase */ 1731 1.2.2.2 pgoyette dns_sdlz_tolower(namestr); 1732 1.2.2.2 pgoyette 1733 1.2.2.2 pgoyette /* Call SDLZ driver's find zone method */ 1734 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1735 1.2.2.2 pgoyette result = imp->methods->findzone(imp->driverarg, dbdata, namestr, 1736 1.2.2.2 pgoyette methods, clientinfo); 1737 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1738 1.2.2.2 pgoyette 1739 1.2.2.2 pgoyette /* 1740 1.2.2.2 pgoyette * if zone is supported build a 'bind' database driver 1741 1.2.2.2 pgoyette * structure to return 1742 1.2.2.2 pgoyette */ 1743 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) 1744 1.2.2.2 pgoyette result = dns_sdlzcreateDBP(mctx, driverarg, dbdata, name, 1745 1.2.2.2 pgoyette rdclass, dbp); 1746 1.2.2.2 pgoyette 1747 1.2.2.2 pgoyette return (result); 1748 1.2.2.2 pgoyette } 1749 1.2.2.2 pgoyette 1750 1.2.2.2 pgoyette 1751 1.2.2.2 pgoyette static isc_result_t 1752 1.2.2.2 pgoyette dns_sdlzconfigure(void *driverarg, void *dbdata, 1753 1.2.2.2 pgoyette dns_view_t *view, dns_dlzdb_t *dlzdb) 1754 1.2.2.2 pgoyette { 1755 1.2.2.2 pgoyette isc_result_t result; 1756 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1757 1.2.2.2 pgoyette 1758 1.2.2.2 pgoyette REQUIRE(driverarg != NULL); 1759 1.2.2.2 pgoyette 1760 1.2.2.2 pgoyette imp = (dns_sdlzimplementation_t *) driverarg; 1761 1.2.2.2 pgoyette 1762 1.2.2.2 pgoyette /* Call SDLZ driver's configure method */ 1763 1.2.2.2 pgoyette if (imp->methods->configure != NULL) { 1764 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1765 1.2.2.2 pgoyette result = imp->methods->configure(view, dlzdb, 1766 1.2.2.2 pgoyette imp->driverarg, dbdata); 1767 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1768 1.2.2.2 pgoyette } else { 1769 1.2.2.2 pgoyette result = ISC_R_SUCCESS; 1770 1.2.2.2 pgoyette } 1771 1.2.2.2 pgoyette 1772 1.2.2.2 pgoyette return (result); 1773 1.2.2.2 pgoyette } 1774 1.2.2.2 pgoyette 1775 1.2.2.2 pgoyette static isc_boolean_t 1776 1.2.2.2 pgoyette dns_sdlzssumatch(const dns_name_t *signer, const dns_name_t *name, 1777 1.2.2.2 pgoyette const isc_netaddr_t *tcpaddr, dns_rdatatype_t type, 1778 1.2.2.2 pgoyette const dst_key_t *key, void *driverarg, void *dbdata) 1779 1.2.2.2 pgoyette { 1780 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1781 1.2.2.2 pgoyette char b_signer[DNS_NAME_FORMATSIZE]; 1782 1.2.2.2 pgoyette char b_name[DNS_NAME_FORMATSIZE]; 1783 1.2.2.2 pgoyette char b_addr[ISC_NETADDR_FORMATSIZE]; 1784 1.2.2.2 pgoyette char b_type[DNS_RDATATYPE_FORMATSIZE]; 1785 1.2.2.2 pgoyette char b_key[DST_KEY_FORMATSIZE]; 1786 1.2.2.2 pgoyette isc_buffer_t *tkey_token = NULL; 1787 1.2.2.2 pgoyette isc_region_t token_region = { NULL, 0 }; 1788 1.2.2.2 pgoyette isc_uint32_t token_len = 0; 1789 1.2.2.2 pgoyette isc_boolean_t ret; 1790 1.2.2.2 pgoyette 1791 1.2.2.2 pgoyette REQUIRE(driverarg != NULL); 1792 1.2.2.2 pgoyette 1793 1.2.2.2 pgoyette imp = (dns_sdlzimplementation_t *) driverarg; 1794 1.2.2.2 pgoyette if (imp->methods->ssumatch == NULL) 1795 1.2.2.2 pgoyette return (ISC_FALSE); 1796 1.2.2.2 pgoyette 1797 1.2.2.2 pgoyette /* 1798 1.2.2.2 pgoyette * Format the request elements. sdlz operates on strings, not 1799 1.2.2.2 pgoyette * structures 1800 1.2.2.2 pgoyette */ 1801 1.2.2.2 pgoyette if (signer != NULL) 1802 1.2.2.2 pgoyette dns_name_format(signer, b_signer, sizeof(b_signer)); 1803 1.2.2.2 pgoyette else 1804 1.2.2.2 pgoyette b_signer[0] = 0; 1805 1.2.2.2 pgoyette 1806 1.2.2.2 pgoyette dns_name_format(name, b_name, sizeof(b_name)); 1807 1.2.2.2 pgoyette 1808 1.2.2.2 pgoyette if (tcpaddr != NULL) 1809 1.2.2.2 pgoyette isc_netaddr_format(tcpaddr, b_addr, sizeof(b_addr)); 1810 1.2.2.2 pgoyette else 1811 1.2.2.2 pgoyette b_addr[0] = 0; 1812 1.2.2.2 pgoyette 1813 1.2.2.2 pgoyette dns_rdatatype_format(type, b_type, sizeof(b_type)); 1814 1.2.2.2 pgoyette 1815 1.2.2.2 pgoyette if (key != NULL) { 1816 1.2.2.2 pgoyette dst_key_format(key, b_key, sizeof(b_key)); 1817 1.2.2.2 pgoyette tkey_token = dst_key_tkeytoken(key); 1818 1.2.2.2 pgoyette } else 1819 1.2.2.2 pgoyette b_key[0] = 0; 1820 1.2.2.2 pgoyette 1821 1.2.2.2 pgoyette if (tkey_token != NULL) { 1822 1.2.2.2 pgoyette isc_buffer_region(tkey_token, &token_region); 1823 1.2.2.2 pgoyette token_len = token_region.length; 1824 1.2.2.2 pgoyette } 1825 1.2.2.2 pgoyette 1826 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1827 1.2.2.2 pgoyette ret = imp->methods->ssumatch(b_signer, b_name, b_addr, b_type, b_key, 1828 1.2.2.2 pgoyette token_len, 1829 1.2.2.2 pgoyette token_len != 0 ? token_region.base : NULL, 1830 1.2.2.2 pgoyette imp->driverarg, dbdata); 1831 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1832 1.2.2.2 pgoyette return (ret); 1833 1.2.2.2 pgoyette } 1834 1.2.2.2 pgoyette 1835 1.2.2.2 pgoyette static dns_dlzmethods_t sdlzmethods = { 1836 1.2.2.2 pgoyette dns_sdlzcreate, 1837 1.2.2.2 pgoyette dns_sdlzdestroy, 1838 1.2.2.2 pgoyette dns_sdlzfindzone, 1839 1.2.2.2 pgoyette dns_sdlzallowzonexfr, 1840 1.2.2.2 pgoyette dns_sdlzconfigure, 1841 1.2.2.2 pgoyette dns_sdlzssumatch 1842 1.2.2.2 pgoyette }; 1843 1.2.2.2 pgoyette 1844 1.2.2.2 pgoyette /* 1845 1.2.2.2 pgoyette * Public functions. 1846 1.2.2.2 pgoyette */ 1847 1.2.2.2 pgoyette 1848 1.2.2.2 pgoyette isc_result_t 1849 1.2.2.2 pgoyette dns_sdlz_putrr(dns_sdlzlookup_t *lookup, const char *type, dns_ttl_t ttl, 1850 1.2.2.2 pgoyette const char *data) 1851 1.2.2.2 pgoyette { 1852 1.2.2.2 pgoyette dns_rdatalist_t *rdatalist; 1853 1.2.2.2 pgoyette dns_rdata_t *rdata; 1854 1.2.2.2 pgoyette dns_rdatatype_t typeval; 1855 1.2.2.2 pgoyette isc_consttextregion_t r; 1856 1.2.2.2 pgoyette isc_buffer_t b; 1857 1.2.2.2 pgoyette isc_buffer_t *rdatabuf = NULL; 1858 1.2.2.2 pgoyette isc_lex_t *lex; 1859 1.2.2.2 pgoyette isc_result_t result; 1860 1.2.2.2 pgoyette unsigned int size; 1861 1.2.2.2 pgoyette isc_mem_t *mctx; 1862 1.2.2.2 pgoyette const dns_name_t *origin; 1863 1.2.2.2 pgoyette 1864 1.2.2.2 pgoyette REQUIRE(VALID_SDLZLOOKUP(lookup)); 1865 1.2.2.2 pgoyette REQUIRE(type != NULL); 1866 1.2.2.2 pgoyette REQUIRE(data != NULL); 1867 1.2.2.2 pgoyette 1868 1.2.2.2 pgoyette mctx = lookup->sdlz->common.mctx; 1869 1.2.2.2 pgoyette 1870 1.2.2.2 pgoyette r.base = type; 1871 1.2.2.2 pgoyette r.length = strlen(type); 1872 1.2.2.2 pgoyette result = dns_rdatatype_fromtext(&typeval, (void *) &r); 1873 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1874 1.2.2.2 pgoyette return (result); 1875 1.2.2.2 pgoyette 1876 1.2.2.2 pgoyette rdatalist = ISC_LIST_HEAD(lookup->lists); 1877 1.2.2.2 pgoyette while (rdatalist != NULL) { 1878 1.2.2.2 pgoyette if (rdatalist->type == typeval) 1879 1.2.2.2 pgoyette break; 1880 1.2.2.2 pgoyette rdatalist = ISC_LIST_NEXT(rdatalist, link); 1881 1.2.2.2 pgoyette } 1882 1.2.2.2 pgoyette 1883 1.2.2.2 pgoyette if (rdatalist == NULL) { 1884 1.2.2.2 pgoyette rdatalist = isc_mem_get(mctx, sizeof(dns_rdatalist_t)); 1885 1.2.2.2 pgoyette if (rdatalist == NULL) 1886 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 1887 1.2.2.2 pgoyette dns_rdatalist_init(rdatalist); 1888 1.2.2.2 pgoyette rdatalist->rdclass = lookup->sdlz->common.rdclass; 1889 1.2.2.2 pgoyette rdatalist->type = typeval; 1890 1.2.2.2 pgoyette rdatalist->ttl = ttl; 1891 1.2.2.2 pgoyette ISC_LIST_APPEND(lookup->lists, rdatalist, link); 1892 1.2.2.2 pgoyette } else 1893 1.2.2.2 pgoyette if (rdatalist->ttl > ttl) { 1894 1.2.2.2 pgoyette /* 1895 1.2.2.2 pgoyette * BIND9 doesn't enforce all RRs in an RRset 1896 1.2.2.2 pgoyette * having the same TTL, as per RFC 2136, 1897 1.2.2.2 pgoyette * section 7.12. If a DLZ backend has 1898 1.2.2.2 pgoyette * different TTLs, then the best 1899 1.2.2.2 pgoyette * we can do is return the lowest. 1900 1.2.2.2 pgoyette */ 1901 1.2.2.2 pgoyette rdatalist->ttl = ttl; 1902 1.2.2.2 pgoyette } 1903 1.2.2.2 pgoyette 1904 1.2.2.2 pgoyette rdata = isc_mem_get(mctx, sizeof(dns_rdata_t)); 1905 1.2.2.2 pgoyette if (rdata == NULL) 1906 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 1907 1.2.2.2 pgoyette dns_rdata_init(rdata); 1908 1.2.2.2 pgoyette 1909 1.2.2.2 pgoyette if ((lookup->sdlz->dlzimp->flags & DNS_SDLZFLAG_RELATIVERDATA) != 0) 1910 1.2.2.2 pgoyette origin = &lookup->sdlz->common.origin; 1911 1.2.2.2 pgoyette else 1912 1.2.2.2 pgoyette origin = dns_rootname; 1913 1.2.2.2 pgoyette 1914 1.2.2.2 pgoyette lex = NULL; 1915 1.2.2.2 pgoyette result = isc_lex_create(mctx, 64, &lex); 1916 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1917 1.2.2.2 pgoyette goto failure; 1918 1.2.2.2 pgoyette 1919 1.2.2.2 pgoyette size = initial_size(data); 1920 1.2.2.2 pgoyette do { 1921 1.2.2.2 pgoyette isc_buffer_constinit(&b, data, strlen(data)); 1922 1.2.2.2 pgoyette isc_buffer_add(&b, strlen(data)); 1923 1.2.2.2 pgoyette 1924 1.2.2.2 pgoyette result = isc_lex_openbuffer(lex, &b); 1925 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1926 1.2.2.2 pgoyette goto failure; 1927 1.2.2.2 pgoyette 1928 1.2.2.2 pgoyette rdatabuf = NULL; 1929 1.2.2.2 pgoyette result = isc_buffer_allocate(mctx, &rdatabuf, size); 1930 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1931 1.2.2.2 pgoyette goto failure; 1932 1.2.2.2 pgoyette 1933 1.2.2.2 pgoyette result = dns_rdata_fromtext(rdata, rdatalist->rdclass, 1934 1.2.2.2 pgoyette rdatalist->type, lex, 1935 1.2.2.2 pgoyette origin, ISC_FALSE, 1936 1.2.2.2 pgoyette mctx, rdatabuf, 1937 1.2.2.2 pgoyette &lookup->callbacks); 1938 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1939 1.2.2.2 pgoyette isc_buffer_free(&rdatabuf); 1940 1.2.2.2 pgoyette if (size >= 65535) 1941 1.2.2.2 pgoyette break; 1942 1.2.2.2 pgoyette size *= 2; 1943 1.2.2.2 pgoyette if (size >= 65535) 1944 1.2.2.2 pgoyette size = 65535; 1945 1.2.2.2 pgoyette } while (result == ISC_R_NOSPACE); 1946 1.2.2.2 pgoyette 1947 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1948 1.2.2.2 pgoyette goto failure; 1949 1.2.2.2 pgoyette 1950 1.2.2.2 pgoyette ISC_LIST_APPEND(rdatalist->rdata, rdata, link); 1951 1.2.2.2 pgoyette ISC_LIST_APPEND(lookup->buffers, rdatabuf, link); 1952 1.2.2.2 pgoyette 1953 1.2.2.2 pgoyette if (lex != NULL) 1954 1.2.2.2 pgoyette isc_lex_destroy(&lex); 1955 1.2.2.2 pgoyette 1956 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1957 1.2.2.2 pgoyette 1958 1.2.2.2 pgoyette failure: 1959 1.2.2.2 pgoyette if (rdatabuf != NULL) 1960 1.2.2.2 pgoyette isc_buffer_free(&rdatabuf); 1961 1.2.2.2 pgoyette if (lex != NULL) 1962 1.2.2.2 pgoyette isc_lex_destroy(&lex); 1963 1.2.2.2 pgoyette isc_mem_put(mctx, rdata, sizeof(dns_rdata_t)); 1964 1.2.2.2 pgoyette 1965 1.2.2.2 pgoyette return (result); 1966 1.2.2.2 pgoyette } 1967 1.2.2.2 pgoyette 1968 1.2.2.2 pgoyette isc_result_t 1969 1.2.2.2 pgoyette dns_sdlz_putnamedrr(dns_sdlzallnodes_t *allnodes, const char *name, 1970 1.2.2.2 pgoyette const char *type, dns_ttl_t ttl, const char *data) 1971 1.2.2.2 pgoyette { 1972 1.2.2.2 pgoyette dns_name_t *newname; 1973 1.2.2.2 pgoyette const dns_name_t *origin; 1974 1.2.2.2 pgoyette dns_fixedname_t fnewname; 1975 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)allnodes->common.db; 1976 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode; 1977 1.2.2.2 pgoyette isc_mem_t *mctx = sdlz->common.mctx; 1978 1.2.2.2 pgoyette isc_buffer_t b; 1979 1.2.2.2 pgoyette isc_result_t result; 1980 1.2.2.2 pgoyette 1981 1.2.2.2 pgoyette newname = dns_fixedname_initname(&fnewname); 1982 1.2.2.2 pgoyette 1983 1.2.2.2 pgoyette if ((sdlz->dlzimp->flags & DNS_SDLZFLAG_RELATIVERDATA) != 0) 1984 1.2.2.2 pgoyette origin = &sdlz->common.origin; 1985 1.2.2.2 pgoyette else 1986 1.2.2.2 pgoyette origin = dns_rootname; 1987 1.2.2.2 pgoyette isc_buffer_constinit(&b, name, strlen(name)); 1988 1.2.2.2 pgoyette isc_buffer_add(&b, strlen(name)); 1989 1.2.2.2 pgoyette 1990 1.2.2.2 pgoyette result = dns_name_fromtext(newname, &b, origin, 0, NULL); 1991 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1992 1.2.2.2 pgoyette return (result); 1993 1.2.2.2 pgoyette 1994 1.2.2.2 pgoyette if (allnodes->common.relative_names) { 1995 1.2.2.2 pgoyette /* All names are relative to the root */ 1996 1.2.2.2 pgoyette unsigned int nlabels = dns_name_countlabels(newname); 1997 1.2.2.2 pgoyette dns_name_getlabelsequence(newname, 0, nlabels - 1, newname); 1998 1.2.2.2 pgoyette } 1999 1.2.2.2 pgoyette 2000 1.2.2.2 pgoyette sdlznode = ISC_LIST_HEAD(allnodes->nodelist); 2001 1.2.2.2 pgoyette if (sdlznode == NULL || !dns_name_equal(sdlznode->name, newname)) { 2002 1.2.2.2 pgoyette sdlznode = NULL; 2003 1.2.2.2 pgoyette result = createnode(sdlz, &sdlznode); 2004 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 2005 1.2.2.2 pgoyette return (result); 2006 1.2.2.2 pgoyette sdlznode->name = isc_mem_get(mctx, sizeof(dns_name_t)); 2007 1.2.2.2 pgoyette if (sdlznode->name == NULL) { 2008 1.2.2.2 pgoyette destroynode(sdlznode); 2009 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 2010 1.2.2.2 pgoyette } 2011 1.2.2.2 pgoyette dns_name_init(sdlznode->name, NULL); 2012 1.2.2.2 pgoyette result = dns_name_dup(newname, mctx, sdlznode->name); 2013 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 2014 1.2.2.2 pgoyette isc_mem_put(mctx, sdlznode->name, sizeof(dns_name_t)); 2015 1.2.2.2 pgoyette destroynode(sdlznode); 2016 1.2.2.2 pgoyette return (result); 2017 1.2.2.2 pgoyette } 2018 1.2.2.2 pgoyette ISC_LIST_PREPEND(allnodes->nodelist, sdlznode, link); 2019 1.2.2.2 pgoyette if (allnodes->origin == NULL && 2020 1.2.2.2 pgoyette dns_name_equal(newname, &sdlz->common.origin)) 2021 1.2.2.2 pgoyette allnodes->origin = sdlznode; 2022 1.2.2.2 pgoyette } 2023 1.2.2.2 pgoyette return (dns_sdlz_putrr(sdlznode, type, ttl, data)); 2024 1.2.2.2 pgoyette 2025 1.2.2.2 pgoyette } 2026 1.2.2.2 pgoyette 2027 1.2.2.2 pgoyette isc_result_t 2028 1.2.2.2 pgoyette dns_sdlz_putsoa(dns_sdlzlookup_t *lookup, const char *mname, const char *rname, 2029 1.2.2.2 pgoyette isc_uint32_t serial) 2030 1.2.2.2 pgoyette { 2031 1.2.2.2 pgoyette char str[2 * DNS_NAME_MAXTEXT + 5 * (sizeof("2147483647")) + 7]; 2032 1.2.2.2 pgoyette int n; 2033 1.2.2.2 pgoyette 2034 1.2.2.2 pgoyette REQUIRE(mname != NULL); 2035 1.2.2.2 pgoyette REQUIRE(rname != NULL); 2036 1.2.2.2 pgoyette 2037 1.2.2.2 pgoyette n = snprintf(str, sizeof str, "%s %s %u %u %u %u %u", 2038 1.2.2.2 pgoyette mname, rname, serial, 2039 1.2.2.2 pgoyette SDLZ_DEFAULT_REFRESH, SDLZ_DEFAULT_RETRY, 2040 1.2.2.2 pgoyette SDLZ_DEFAULT_EXPIRE, SDLZ_DEFAULT_MINIMUM); 2041 1.2.2.2 pgoyette if (n >= (int)sizeof(str) || n < 0) 2042 1.2.2.2 pgoyette return (ISC_R_NOSPACE); 2043 1.2.2.2 pgoyette return (dns_sdlz_putrr(lookup, "SOA", SDLZ_DEFAULT_TTL, str)); 2044 1.2.2.2 pgoyette } 2045 1.2.2.2 pgoyette 2046 1.2.2.2 pgoyette isc_result_t 2047 1.2.2.2 pgoyette dns_sdlzregister(const char *drivername, const dns_sdlzmethods_t *methods, 2048 1.2.2.2 pgoyette void *driverarg, unsigned int flags, isc_mem_t *mctx, 2049 1.2.2.2 pgoyette dns_sdlzimplementation_t **sdlzimp) 2050 1.2.2.2 pgoyette { 2051 1.2.2.2 pgoyette 2052 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 2053 1.2.2.2 pgoyette isc_result_t result; 2054 1.2.2.2 pgoyette 2055 1.2.2.2 pgoyette /* 2056 1.2.2.2 pgoyette * Performs checks to make sure data is as we expect it to be. 2057 1.2.2.2 pgoyette */ 2058 1.2.2.2 pgoyette REQUIRE(drivername != NULL); 2059 1.2.2.2 pgoyette REQUIRE(methods != NULL); 2060 1.2.2.2 pgoyette REQUIRE(methods->findzone != NULL); 2061 1.2.2.2 pgoyette REQUIRE(methods->lookup != NULL); 2062 1.2.2.2 pgoyette REQUIRE(mctx != NULL); 2063 1.2.2.2 pgoyette REQUIRE(sdlzimp != NULL && *sdlzimp == NULL); 2064 1.2.2.2 pgoyette REQUIRE((flags & ~(DNS_SDLZFLAG_RELATIVEOWNER | 2065 1.2.2.2 pgoyette DNS_SDLZFLAG_RELATIVERDATA | 2066 1.2.2.2 pgoyette DNS_SDLZFLAG_THREADSAFE)) == 0); 2067 1.2.2.2 pgoyette 2068 1.2.2.2 pgoyette /* Write debugging message to log */ 2069 1.2.2.2 pgoyette sdlz_log(ISC_LOG_DEBUG(2), "Registering SDLZ driver '%s'", drivername); 2070 1.2.2.2 pgoyette 2071 1.2.2.2 pgoyette /* 2072 1.2.2.2 pgoyette * Allocate memory for a sdlz_implementation object. Error if 2073 1.2.2.2 pgoyette * we cannot. 2074 1.2.2.2 pgoyette */ 2075 1.2.2.2 pgoyette imp = isc_mem_get(mctx, sizeof(dns_sdlzimplementation_t)); 2076 1.2.2.2 pgoyette if (imp == NULL) 2077 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 2078 1.2.2.2 pgoyette 2079 1.2.2.2 pgoyette /* Make sure memory region is set to all 0's */ 2080 1.2.2.2 pgoyette memset(imp, 0, sizeof(dns_sdlzimplementation_t)); 2081 1.2.2.2 pgoyette 2082 1.2.2.2 pgoyette /* Store the data passed into this method */ 2083 1.2.2.2 pgoyette imp->methods = methods; 2084 1.2.2.2 pgoyette imp->driverarg = driverarg; 2085 1.2.2.2 pgoyette imp->flags = flags; 2086 1.2.2.2 pgoyette imp->mctx = NULL; 2087 1.2.2.2 pgoyette 2088 1.2.2.2 pgoyette /* attach the new sdlz_implementation object to a memory context */ 2089 1.2.2.2 pgoyette isc_mem_attach(mctx, &imp->mctx); 2090 1.2.2.2 pgoyette 2091 1.2.2.2 pgoyette /* 2092 1.2.2.2 pgoyette * initialize the driver lock, error if we cannot 2093 1.2.2.2 pgoyette * (used if a driver does not support multiple threads) 2094 1.2.2.2 pgoyette */ 2095 1.2.2.2 pgoyette result = isc_mutex_init(&imp->driverlock); 2096 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 2097 1.2.2.2 pgoyette UNEXPECTED_ERROR(__FILE__, __LINE__, 2098 1.2.2.2 pgoyette "isc_mutex_init() failed: %s", 2099 1.2.2.2 pgoyette isc_result_totext(result)); 2100 1.2.2.2 pgoyette goto cleanup_mctx; 2101 1.2.2.2 pgoyette } 2102 1.2.2.2 pgoyette 2103 1.2.2.2 pgoyette imp->dlz_imp = NULL; 2104 1.2.2.2 pgoyette 2105 1.2.2.2 pgoyette /* 2106 1.2.2.2 pgoyette * register the DLZ driver. Pass in our "extra" sdlz information as 2107 1.2.2.2 pgoyette * a driverarg. (that's why we stored the passed in driver arg in our 2108 1.2.2.2 pgoyette * sdlz_implementation structure) Also, store the dlz_implementation 2109 1.2.2.2 pgoyette * structure in our sdlz_implementation. 2110 1.2.2.2 pgoyette */ 2111 1.2.2.2 pgoyette result = dns_dlzregister(drivername, &sdlzmethods, imp, mctx, 2112 1.2.2.2 pgoyette &imp->dlz_imp); 2113 1.2.2.2 pgoyette 2114 1.2.2.2 pgoyette /* if registration fails, cleanup and get outta here. */ 2115 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 2116 1.2.2.2 pgoyette goto cleanup_mutex; 2117 1.2.2.2 pgoyette 2118 1.2.2.2 pgoyette *sdlzimp = imp; 2119 1.2.2.2 pgoyette 2120 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 2121 1.2.2.2 pgoyette 2122 1.2.2.2 pgoyette cleanup_mutex: 2123 1.2.2.2 pgoyette /* destroy the driver lock, we don't need it anymore */ 2124 1.2.2.2 pgoyette DESTROYLOCK(&imp->driverlock); 2125 1.2.2.2 pgoyette 2126 1.2.2.2 pgoyette cleanup_mctx: 2127 1.2.2.2 pgoyette /* 2128 1.2.2.2 pgoyette * return the memory back to the available memory pool and 2129 1.2.2.2 pgoyette * remove it from the memory context. 2130 1.2.2.2 pgoyette */ 2131 1.2.2.2 pgoyette isc_mem_put(mctx, imp, sizeof(dns_sdlzimplementation_t)); 2132 1.2.2.2 pgoyette isc_mem_detach(&mctx); 2133 1.2.2.2 pgoyette return (result); 2134 1.2.2.2 pgoyette } 2135 1.2.2.2 pgoyette 2136 1.2.2.2 pgoyette void 2137 1.2.2.2 pgoyette dns_sdlzunregister(dns_sdlzimplementation_t **sdlzimp) { 2138 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 2139 1.2.2.2 pgoyette isc_mem_t *mctx; 2140 1.2.2.2 pgoyette 2141 1.2.2.2 pgoyette /* Write debugging message to log */ 2142 1.2.2.2 pgoyette sdlz_log(ISC_LOG_DEBUG(2), "Unregistering SDLZ driver."); 2143 1.2.2.2 pgoyette 2144 1.2.2.2 pgoyette /* 2145 1.2.2.2 pgoyette * Performs checks to make sure data is as we expect it to be. 2146 1.2.2.2 pgoyette */ 2147 1.2.2.2 pgoyette REQUIRE(sdlzimp != NULL && *sdlzimp != NULL); 2148 1.2.2.2 pgoyette 2149 1.2.2.2 pgoyette imp = *sdlzimp; 2150 1.2.2.2 pgoyette 2151 1.2.2.2 pgoyette /* Unregister the DLZ driver implementation */ 2152 1.2.2.2 pgoyette dns_dlzunregister(&imp->dlz_imp); 2153 1.2.2.2 pgoyette 2154 1.2.2.2 pgoyette /* destroy the driver lock, we don't need it anymore */ 2155 1.2.2.2 pgoyette DESTROYLOCK(&imp->driverlock); 2156 1.2.2.2 pgoyette 2157 1.2.2.2 pgoyette mctx = imp->mctx; 2158 1.2.2.2 pgoyette 2159 1.2.2.2 pgoyette /* 2160 1.2.2.2 pgoyette * return the memory back to the available memory pool and 2161 1.2.2.2 pgoyette * remove it from the memory context. 2162 1.2.2.2 pgoyette */ 2163 1.2.2.2 pgoyette isc_mem_put(mctx, imp, sizeof(dns_sdlzimplementation_t)); 2164 1.2.2.2 pgoyette isc_mem_detach(&mctx); 2165 1.2.2.2 pgoyette 2166 1.2.2.2 pgoyette *sdlzimp = NULL; 2167 1.2.2.2 pgoyette } 2168 1.2.2.2 pgoyette 2169 1.2.2.2 pgoyette 2170 1.2.2.2 pgoyette isc_result_t 2171 1.2.2.2 pgoyette dns_sdlz_setdb(dns_dlzdb_t *dlzdatabase, dns_rdataclass_t rdclass, 2172 1.2.2.2 pgoyette const dns_name_t *name, dns_db_t **dbp) 2173 1.2.2.2 pgoyette { 2174 1.2.2.2 pgoyette isc_result_t result; 2175 1.2.2.2 pgoyette 2176 1.2.2.2 pgoyette result = dns_sdlzcreateDBP(dlzdatabase->mctx, 2177 1.2.2.2 pgoyette dlzdatabase->implementation->driverarg, 2178 1.2.2.2 pgoyette dlzdatabase->dbdata, name, rdclass, dbp); 2179 1.2.2.2 pgoyette return (result); 2180 1.2.2.2 pgoyette } 2181
Indexes created Tue Apr 28 00:22:25 UTC 2026