sdlz.c revision 1.2.2.3
1 1.2.2.3 pgoyette /* $NetBSD: sdlz.c,v 1.2.2.3 2019/01/18 08:49:53 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 1.2.2.3 pgoyette 53 1.2.2.3 pgoyette #include <inttypes.h> 54 1.2.2.3 pgoyette #include <stdbool.h> 55 1.2.2.2 pgoyette #include <string.h> 56 1.2.2.2 pgoyette 57 1.2.2.2 pgoyette #include <isc/buffer.h> 58 1.2.2.2 pgoyette #include <isc/lex.h> 59 1.2.2.2 pgoyette #include <isc/log.h> 60 1.2.2.2 pgoyette #include <isc/rwlock.h> 61 1.2.2.2 pgoyette #include <isc/string.h> 62 1.2.2.2 pgoyette #include <isc/util.h> 63 1.2.2.2 pgoyette #include <isc/magic.h> 64 1.2.2.2 pgoyette #include <isc/mem.h> 65 1.2.2.2 pgoyette #include <isc/once.h> 66 1.2.2.2 pgoyette #include <isc/print.h> 67 1.2.2.2 pgoyette #include <isc/region.h> 68 1.2.2.2 pgoyette 69 1.2.2.2 pgoyette #include <dns/callbacks.h> 70 1.2.2.2 pgoyette #include <dns/db.h> 71 1.2.2.2 pgoyette #include <dns/dbiterator.h> 72 1.2.2.2 pgoyette #include <dns/dlz.h> 73 1.2.2.2 pgoyette #include <dns/fixedname.h> 74 1.2.2.2 pgoyette #include <dns/log.h> 75 1.2.2.2 pgoyette #include <dns/rdata.h> 76 1.2.2.2 pgoyette #include <dns/rdatalist.h> 77 1.2.2.2 pgoyette #include <dns/rdataset.h> 78 1.2.2.2 pgoyette #include <dns/rdatasetiter.h> 79 1.2.2.2 pgoyette #include <dns/rdatatype.h> 80 1.2.2.2 pgoyette #include <dns/result.h> 81 1.2.2.2 pgoyette #include <dns/master.h> 82 1.2.2.2 pgoyette #include <dns/sdlz.h> 83 1.2.2.2 pgoyette #include <dns/types.h> 84 1.2.2.2 pgoyette 85 1.2.2.2 pgoyette #include "rdatalist_p.h" 86 1.2.2.2 pgoyette 87 1.2.2.2 pgoyette /* 88 1.2.2.2 pgoyette * Private Types 89 1.2.2.2 pgoyette */ 90 1.2.2.2 pgoyette 91 1.2.2.2 pgoyette struct dns_sdlzimplementation { 92 1.2.2.2 pgoyette const dns_sdlzmethods_t *methods; 93 1.2.2.2 pgoyette isc_mem_t *mctx; 94 1.2.2.2 pgoyette void *driverarg; 95 1.2.2.2 pgoyette unsigned int flags; 96 1.2.2.2 pgoyette isc_mutex_t driverlock; 97 1.2.2.2 pgoyette dns_dlzimplementation_t *dlz_imp; 98 1.2.2.2 pgoyette }; 99 1.2.2.2 pgoyette 100 1.2.2.2 pgoyette struct dns_sdlz_db { 101 1.2.2.2 pgoyette /* Unlocked */ 102 1.2.2.2 pgoyette dns_db_t common; 103 1.2.2.2 pgoyette void *dbdata; 104 1.2.2.2 pgoyette dns_sdlzimplementation_t *dlzimp; 105 1.2.2.2 pgoyette isc_mutex_t refcnt_lock; 106 1.2.2.2 pgoyette /* Locked */ 107 1.2.2.2 pgoyette unsigned int references; 108 1.2.2.2 pgoyette dns_dbversion_t *future_version; 109 1.2.2.2 pgoyette int dummy_version; 110 1.2.2.2 pgoyette }; 111 1.2.2.2 pgoyette 112 1.2.2.2 pgoyette struct dns_sdlzlookup { 113 1.2.2.2 pgoyette /* Unlocked */ 114 1.2.2.2 pgoyette unsigned int magic; 115 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz; 116 1.2.2.2 pgoyette ISC_LIST(dns_rdatalist_t) lists; 117 1.2.2.2 pgoyette ISC_LIST(isc_buffer_t) buffers; 118 1.2.2.2 pgoyette dns_name_t *name; 119 1.2.2.2 pgoyette ISC_LINK(dns_sdlzlookup_t) link; 120 1.2.2.2 pgoyette isc_mutex_t lock; 121 1.2.2.2 pgoyette dns_rdatacallbacks_t callbacks; 122 1.2.2.2 pgoyette /* Locked */ 123 1.2.2.2 pgoyette unsigned int references; 124 1.2.2.2 pgoyette }; 125 1.2.2.2 pgoyette 126 1.2.2.2 pgoyette typedef struct dns_sdlzlookup dns_sdlznode_t; 127 1.2.2.2 pgoyette 128 1.2.2.2 pgoyette struct dns_sdlzallnodes { 129 1.2.2.2 pgoyette dns_dbiterator_t common; 130 1.2.2.2 pgoyette ISC_LIST(dns_sdlznode_t) nodelist; 131 1.2.2.2 pgoyette dns_sdlznode_t *current; 132 1.2.2.2 pgoyette dns_sdlznode_t *origin; 133 1.2.2.2 pgoyette }; 134 1.2.2.2 pgoyette 135 1.2.2.2 pgoyette typedef dns_sdlzallnodes_t sdlz_dbiterator_t; 136 1.2.2.2 pgoyette 137 1.2.2.2 pgoyette typedef struct sdlz_rdatasetiter { 138 1.2.2.2 pgoyette dns_rdatasetiter_t common; 139 1.2.2.2 pgoyette dns_rdatalist_t *current; 140 1.2.2.2 pgoyette } sdlz_rdatasetiter_t; 141 1.2.2.2 pgoyette 142 1.2.2.2 pgoyette 143 1.2.2.2 pgoyette #define SDLZDB_MAGIC ISC_MAGIC('D', 'L', 'Z', 'S') 144 1.2.2.2 pgoyette 145 1.2.2.2 pgoyette /* 146 1.2.2.2 pgoyette * Note that "impmagic" is not the first four bytes of the struct, so 147 1.2.2.2 pgoyette * ISC_MAGIC_VALID cannot be used. 148 1.2.2.2 pgoyette */ 149 1.2.2.2 pgoyette 150 1.2.2.2 pgoyette #define VALID_SDLZDB(sdlzdb) ((sdlzdb) != NULL && \ 151 1.2.2.2 pgoyette (sdlzdb)->common.impmagic == SDLZDB_MAGIC) 152 1.2.2.2 pgoyette 153 1.2.2.2 pgoyette #define SDLZLOOKUP_MAGIC ISC_MAGIC('D','L','Z','L') 154 1.2.2.2 pgoyette #define VALID_SDLZLOOKUP(sdlzl) ISC_MAGIC_VALID(sdlzl, SDLZLOOKUP_MAGIC) 155 1.2.2.2 pgoyette #define VALID_SDLZNODE(sdlzn) VALID_SDLZLOOKUP(sdlzn) 156 1.2.2.2 pgoyette 157 1.2.2.2 pgoyette /* These values are taken from RFC 1537 */ 158 1.2.2.2 pgoyette #define SDLZ_DEFAULT_REFRESH 28800U /* 8 hours */ 159 1.2.2.2 pgoyette #define SDLZ_DEFAULT_RETRY 7200U /* 2 hours */ 160 1.2.2.2 pgoyette #define SDLZ_DEFAULT_EXPIRE 604800U /* 7 days */ 161 1.2.2.2 pgoyette #define SDLZ_DEFAULT_MINIMUM 86400U /* 1 day */ 162 1.2.2.2 pgoyette 163 1.2.2.2 pgoyette /* This is a reasonable value */ 164 1.2.2.2 pgoyette #define SDLZ_DEFAULT_TTL (60 * 60 * 24) 165 1.2.2.2 pgoyette 166 1.2.2.2 pgoyette #ifdef __COVERITY__ 167 1.2.2.2 pgoyette #define MAYBE_LOCK(imp) LOCK(&imp->driverlock) 168 1.2.2.2 pgoyette #define MAYBE_UNLOCK(imp) UNLOCK(&imp->driverlock) 169 1.2.2.2 pgoyette #else 170 1.2.2.2 pgoyette #define MAYBE_LOCK(imp) \ 171 1.2.2.2 pgoyette do { \ 172 1.2.2.2 pgoyette unsigned int flags = imp->flags; \ 173 1.2.2.2 pgoyette if ((flags & DNS_SDLZFLAG_THREADSAFE) == 0) \ 174 1.2.2.2 pgoyette LOCK(&imp->driverlock); \ 175 1.2.2.2 pgoyette } while (/*CONSTCOND*/0) 176 1.2.2.2 pgoyette 177 1.2.2.2 pgoyette #define MAYBE_UNLOCK(imp) \ 178 1.2.2.2 pgoyette do { \ 179 1.2.2.2 pgoyette unsigned int flags = imp->flags; \ 180 1.2.2.2 pgoyette if ((flags & DNS_SDLZFLAG_THREADSAFE) == 0) \ 181 1.2.2.2 pgoyette UNLOCK(&imp->driverlock); \ 182 1.2.2.2 pgoyette } while (/*CONSTCOND*/0) 183 1.2.2.2 pgoyette #endif 184 1.2.2.2 pgoyette 185 1.2.2.2 pgoyette /* 186 1.2.2.2 pgoyette * Forward references. 187 1.2.2.2 pgoyette */ 188 1.2.2.2 pgoyette static isc_result_t getnodedata(dns_db_t *db, const dns_name_t *name, 189 1.2.2.3 pgoyette bool create, unsigned int options, 190 1.2.2.2 pgoyette dns_clientinfomethods_t *methods, 191 1.2.2.2 pgoyette dns_clientinfo_t *clientinfo, 192 1.2.2.2 pgoyette dns_dbnode_t **nodep); 193 1.2.2.2 pgoyette 194 1.2.2.2 pgoyette static void list_tordataset(dns_rdatalist_t *rdatalist, 195 1.2.2.2 pgoyette dns_db_t *db, dns_dbnode_t *node, 196 1.2.2.2 pgoyette dns_rdataset_t *rdataset); 197 1.2.2.2 pgoyette 198 1.2.2.2 pgoyette static void detachnode(dns_db_t *db, dns_dbnode_t **targetp); 199 1.2.2.2 pgoyette 200 1.2.2.2 pgoyette static void dbiterator_destroy(dns_dbiterator_t **iteratorp); 201 1.2.2.2 pgoyette static isc_result_t dbiterator_first(dns_dbiterator_t *iterator); 202 1.2.2.2 pgoyette static isc_result_t dbiterator_last(dns_dbiterator_t *iterator); 203 1.2.2.2 pgoyette static isc_result_t dbiterator_seek(dns_dbiterator_t *iterator, 204 1.2.2.2 pgoyette const dns_name_t *name); 205 1.2.2.2 pgoyette static isc_result_t dbiterator_prev(dns_dbiterator_t *iterator); 206 1.2.2.2 pgoyette static isc_result_t dbiterator_next(dns_dbiterator_t *iterator); 207 1.2.2.2 pgoyette static isc_result_t dbiterator_current(dns_dbiterator_t *iterator, 208 1.2.2.2 pgoyette dns_dbnode_t **nodep, 209 1.2.2.2 pgoyette dns_name_t *name); 210 1.2.2.2 pgoyette static isc_result_t dbiterator_pause(dns_dbiterator_t *iterator); 211 1.2.2.2 pgoyette static isc_result_t dbiterator_origin(dns_dbiterator_t *iterator, 212 1.2.2.2 pgoyette dns_name_t *name); 213 1.2.2.2 pgoyette 214 1.2.2.2 pgoyette static dns_dbiteratormethods_t dbiterator_methods = { 215 1.2.2.2 pgoyette dbiterator_destroy, 216 1.2.2.2 pgoyette dbiterator_first, 217 1.2.2.2 pgoyette dbiterator_last, 218 1.2.2.2 pgoyette dbiterator_seek, 219 1.2.2.2 pgoyette dbiterator_prev, 220 1.2.2.2 pgoyette dbiterator_next, 221 1.2.2.2 pgoyette dbiterator_current, 222 1.2.2.2 pgoyette dbiterator_pause, 223 1.2.2.2 pgoyette dbiterator_origin 224 1.2.2.2 pgoyette }; 225 1.2.2.2 pgoyette 226 1.2.2.2 pgoyette /* 227 1.2.2.2 pgoyette * Utility functions 228 1.2.2.2 pgoyette */ 229 1.2.2.2 pgoyette 230 1.2.2.2 pgoyette /* 231 1.2.2.2 pgoyette * Log a message at the given level 232 1.2.2.2 pgoyette */ 233 1.2.2.2 pgoyette static void 234 1.2.2.2 pgoyette sdlz_log(int level, const char *fmt, ...) { 235 1.2.2.2 pgoyette va_list ap; 236 1.2.2.2 pgoyette va_start(ap, fmt); 237 1.2.2.2 pgoyette isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_DATABASE, 238 1.2.2.2 pgoyette DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(level), 239 1.2.2.2 pgoyette fmt, ap); 240 1.2.2.2 pgoyette va_end(ap); 241 1.2.2.2 pgoyette } 242 1.2.2.2 pgoyette 243 1.2.2.2 pgoyette /*% Converts the input string to lowercase, in place. */ 244 1.2.2.2 pgoyette static void 245 1.2.2.2 pgoyette dns_sdlz_tolower(char *str) { 246 1.2.2.2 pgoyette unsigned int len = strlen(str); 247 1.2.2.2 pgoyette unsigned int i; 248 1.2.2.2 pgoyette 249 1.2.2.2 pgoyette for (i = 0; i < len; i++) { 250 1.2.2.2 pgoyette if (str[i] >= 'A' && str[i] <= 'Z') 251 1.2.2.2 pgoyette str[i] += 32; 252 1.2.2.2 pgoyette } 253 1.2.2.2 pgoyette } 254 1.2.2.2 pgoyette 255 1.2.2.2 pgoyette static inline unsigned int 256 1.2.2.2 pgoyette initial_size(const char *data) { 257 1.2.2.2 pgoyette unsigned int len = (strlen(data) / 64) + 1; 258 1.2.2.2 pgoyette return (len * 64 + 64); 259 1.2.2.2 pgoyette } 260 1.2.2.2 pgoyette 261 1.2.2.2 pgoyette /* 262 1.2.2.2 pgoyette * Rdataset Iterator Methods. These methods were "borrowed" from the SDB 263 1.2.2.2 pgoyette * driver interface. See the SDB driver interface documentation for more info. 264 1.2.2.2 pgoyette */ 265 1.2.2.2 pgoyette 266 1.2.2.2 pgoyette static void 267 1.2.2.2 pgoyette rdatasetiter_destroy(dns_rdatasetiter_t **iteratorp) { 268 1.2.2.2 pgoyette sdlz_rdatasetiter_t *sdlziterator = 269 1.2.2.2 pgoyette (sdlz_rdatasetiter_t *)(*iteratorp); 270 1.2.2.2 pgoyette 271 1.2.2.2 pgoyette detachnode(sdlziterator->common.db, &sdlziterator->common.node); 272 1.2.2.2 pgoyette isc_mem_put(sdlziterator->common.db->mctx, sdlziterator, 273 1.2.2.2 pgoyette sizeof(sdlz_rdatasetiter_t)); 274 1.2.2.2 pgoyette *iteratorp = NULL; 275 1.2.2.2 pgoyette } 276 1.2.2.2 pgoyette 277 1.2.2.2 pgoyette static isc_result_t 278 1.2.2.2 pgoyette rdatasetiter_first(dns_rdatasetiter_t *iterator) { 279 1.2.2.2 pgoyette sdlz_rdatasetiter_t *sdlziterator = (sdlz_rdatasetiter_t *)iterator; 280 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode = (dns_sdlznode_t *)iterator->node; 281 1.2.2.2 pgoyette 282 1.2.2.2 pgoyette if (ISC_LIST_EMPTY(sdlznode->lists)) 283 1.2.2.2 pgoyette return (ISC_R_NOMORE); 284 1.2.2.2 pgoyette sdlziterator->current = ISC_LIST_HEAD(sdlznode->lists); 285 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 286 1.2.2.2 pgoyette } 287 1.2.2.2 pgoyette 288 1.2.2.2 pgoyette static isc_result_t 289 1.2.2.2 pgoyette rdatasetiter_next(dns_rdatasetiter_t *iterator) { 290 1.2.2.2 pgoyette sdlz_rdatasetiter_t *sdlziterator = (sdlz_rdatasetiter_t *)iterator; 291 1.2.2.2 pgoyette 292 1.2.2.2 pgoyette sdlziterator->current = ISC_LIST_NEXT(sdlziterator->current, link); 293 1.2.2.2 pgoyette if (sdlziterator->current == NULL) 294 1.2.2.2 pgoyette return (ISC_R_NOMORE); 295 1.2.2.2 pgoyette else 296 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 297 1.2.2.2 pgoyette } 298 1.2.2.2 pgoyette 299 1.2.2.2 pgoyette static void 300 1.2.2.2 pgoyette rdatasetiter_current(dns_rdatasetiter_t *iterator, dns_rdataset_t *rdataset) { 301 1.2.2.2 pgoyette sdlz_rdatasetiter_t *sdlziterator = (sdlz_rdatasetiter_t *)iterator; 302 1.2.2.2 pgoyette 303 1.2.2.2 pgoyette list_tordataset(sdlziterator->current, iterator->db, iterator->node, 304 1.2.2.2 pgoyette rdataset); 305 1.2.2.2 pgoyette } 306 1.2.2.2 pgoyette 307 1.2.2.2 pgoyette static dns_rdatasetitermethods_t rdatasetiter_methods = { 308 1.2.2.2 pgoyette rdatasetiter_destroy, 309 1.2.2.2 pgoyette rdatasetiter_first, 310 1.2.2.2 pgoyette rdatasetiter_next, 311 1.2.2.2 pgoyette rdatasetiter_current 312 1.2.2.2 pgoyette }; 313 1.2.2.2 pgoyette 314 1.2.2.2 pgoyette /* 315 1.2.2.2 pgoyette * DB routines. These methods were "borrowed" from the SDB driver interface. 316 1.2.2.2 pgoyette * See the SDB driver interface documentation for more info. 317 1.2.2.2 pgoyette */ 318 1.2.2.2 pgoyette 319 1.2.2.2 pgoyette static void 320 1.2.2.2 pgoyette attach(dns_db_t *source, dns_db_t **targetp) { 321 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *) source; 322 1.2.2.2 pgoyette 323 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 324 1.2.2.2 pgoyette 325 1.2.2.2 pgoyette LOCK(&sdlz->refcnt_lock); 326 1.2.2.2 pgoyette REQUIRE(sdlz->references > 0); 327 1.2.2.2 pgoyette sdlz->references++; 328 1.2.2.2 pgoyette UNLOCK(&sdlz->refcnt_lock); 329 1.2.2.2 pgoyette 330 1.2.2.2 pgoyette *targetp = source; 331 1.2.2.2 pgoyette } 332 1.2.2.2 pgoyette 333 1.2.2.2 pgoyette static void 334 1.2.2.2 pgoyette destroy(dns_sdlz_db_t *sdlz) { 335 1.2.2.2 pgoyette isc_mem_t *mctx; 336 1.2.2.2 pgoyette mctx = sdlz->common.mctx; 337 1.2.2.2 pgoyette 338 1.2.2.2 pgoyette sdlz->common.magic = 0; 339 1.2.2.2 pgoyette sdlz->common.impmagic = 0; 340 1.2.2.2 pgoyette 341 1.2.2.3 pgoyette isc_mutex_destroy(&sdlz->refcnt_lock); 342 1.2.2.2 pgoyette 343 1.2.2.2 pgoyette dns_name_free(&sdlz->common.origin, mctx); 344 1.2.2.2 pgoyette 345 1.2.2.2 pgoyette isc_mem_put(mctx, sdlz, sizeof(dns_sdlz_db_t)); 346 1.2.2.2 pgoyette isc_mem_detach(&mctx); 347 1.2.2.2 pgoyette } 348 1.2.2.2 pgoyette 349 1.2.2.2 pgoyette static void 350 1.2.2.2 pgoyette detach(dns_db_t **dbp) { 351 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)(*dbp); 352 1.2.2.3 pgoyette bool need_destroy = false; 353 1.2.2.2 pgoyette 354 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 355 1.2.2.2 pgoyette LOCK(&sdlz->refcnt_lock); 356 1.2.2.2 pgoyette REQUIRE(sdlz->references > 0); 357 1.2.2.2 pgoyette sdlz->references--; 358 1.2.2.2 pgoyette if (sdlz->references == 0) 359 1.2.2.3 pgoyette need_destroy = true; 360 1.2.2.2 pgoyette UNLOCK(&sdlz->refcnt_lock); 361 1.2.2.2 pgoyette 362 1.2.2.2 pgoyette if (need_destroy) 363 1.2.2.2 pgoyette destroy(sdlz); 364 1.2.2.2 pgoyette 365 1.2.2.2 pgoyette *dbp = NULL; 366 1.2.2.2 pgoyette } 367 1.2.2.2 pgoyette 368 1.2.2.2 pgoyette static isc_result_t 369 1.2.2.2 pgoyette beginload(dns_db_t *db, dns_rdatacallbacks_t *callbacks) { 370 1.2.2.2 pgoyette UNUSED(db); 371 1.2.2.2 pgoyette UNUSED(callbacks); 372 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 373 1.2.2.2 pgoyette } 374 1.2.2.2 pgoyette 375 1.2.2.2 pgoyette static isc_result_t 376 1.2.2.2 pgoyette endload(dns_db_t *db, dns_rdatacallbacks_t *callbacks) { 377 1.2.2.2 pgoyette UNUSED(db); 378 1.2.2.2 pgoyette UNUSED(callbacks); 379 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 380 1.2.2.2 pgoyette } 381 1.2.2.2 pgoyette 382 1.2.2.2 pgoyette static isc_result_t 383 1.2.2.2 pgoyette dump(dns_db_t *db, dns_dbversion_t *version, const char *filename, 384 1.2.2.2 pgoyette dns_masterformat_t masterformat) 385 1.2.2.2 pgoyette { 386 1.2.2.2 pgoyette UNUSED(db); 387 1.2.2.2 pgoyette UNUSED(version); 388 1.2.2.2 pgoyette UNUSED(filename); 389 1.2.2.2 pgoyette UNUSED(masterformat); 390 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 391 1.2.2.2 pgoyette } 392 1.2.2.2 pgoyette 393 1.2.2.2 pgoyette static void 394 1.2.2.2 pgoyette currentversion(dns_db_t *db, dns_dbversion_t **versionp) { 395 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 396 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 397 1.2.2.2 pgoyette REQUIRE(versionp != NULL && *versionp == NULL); 398 1.2.2.2 pgoyette 399 1.2.2.2 pgoyette *versionp = (void *) &sdlz->dummy_version; 400 1.2.2.2 pgoyette return; 401 1.2.2.2 pgoyette } 402 1.2.2.2 pgoyette 403 1.2.2.2 pgoyette static isc_result_t 404 1.2.2.2 pgoyette newversion(dns_db_t *db, dns_dbversion_t **versionp) { 405 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 406 1.2.2.2 pgoyette char origin[DNS_NAME_MAXTEXT + 1]; 407 1.2.2.2 pgoyette isc_result_t result; 408 1.2.2.2 pgoyette 409 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 410 1.2.2.2 pgoyette 411 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->newversion == NULL) 412 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 413 1.2.2.2 pgoyette 414 1.2.2.2 pgoyette dns_name_format(&sdlz->common.origin, origin, sizeof(origin)); 415 1.2.2.2 pgoyette 416 1.2.2.2 pgoyette result = sdlz->dlzimp->methods->newversion(origin, 417 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 418 1.2.2.2 pgoyette sdlz->dbdata, versionp); 419 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 420 1.2.2.2 pgoyette sdlz_log(ISC_LOG_ERROR, 421 1.2.2.2 pgoyette "sdlz newversion on origin %s failed : %s", 422 1.2.2.2 pgoyette origin, isc_result_totext(result)); 423 1.2.2.2 pgoyette return (result); 424 1.2.2.2 pgoyette } 425 1.2.2.2 pgoyette 426 1.2.2.2 pgoyette sdlz->future_version = *versionp; 427 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 428 1.2.2.2 pgoyette } 429 1.2.2.2 pgoyette 430 1.2.2.2 pgoyette static void 431 1.2.2.2 pgoyette attachversion(dns_db_t *db, dns_dbversion_t *source, dns_dbversion_t **targetp) 432 1.2.2.2 pgoyette { 433 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 434 1.2.2.2 pgoyette 435 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 436 1.2.2.2 pgoyette REQUIRE(source != NULL && source == (void *)&sdlz->dummy_version); 437 1.2.2.2 pgoyette 438 1.2.2.2 pgoyette *targetp = source; 439 1.2.2.2 pgoyette } 440 1.2.2.2 pgoyette 441 1.2.2.2 pgoyette static void 442 1.2.2.3 pgoyette closeversion(dns_db_t *db, dns_dbversion_t **versionp, bool commit) { 443 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 444 1.2.2.2 pgoyette char origin[DNS_NAME_MAXTEXT + 1]; 445 1.2.2.2 pgoyette 446 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 447 1.2.2.2 pgoyette REQUIRE(versionp != NULL); 448 1.2.2.2 pgoyette 449 1.2.2.2 pgoyette if (*versionp == (void *)&sdlz->dummy_version) { 450 1.2.2.2 pgoyette *versionp = NULL; 451 1.2.2.2 pgoyette return; 452 1.2.2.2 pgoyette } 453 1.2.2.2 pgoyette 454 1.2.2.2 pgoyette REQUIRE(*versionp == sdlz->future_version); 455 1.2.2.2 pgoyette REQUIRE(sdlz->dlzimp->methods->closeversion != NULL); 456 1.2.2.2 pgoyette 457 1.2.2.2 pgoyette dns_name_format(&sdlz->common.origin, origin, sizeof(origin)); 458 1.2.2.2 pgoyette 459 1.2.2.2 pgoyette sdlz->dlzimp->methods->closeversion(origin, commit, 460 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 461 1.2.2.2 pgoyette sdlz->dbdata, versionp); 462 1.2.2.2 pgoyette if (*versionp != NULL) 463 1.2.2.2 pgoyette sdlz_log(ISC_LOG_ERROR, 464 1.2.2.2 pgoyette "sdlz closeversion on origin %s failed", origin); 465 1.2.2.2 pgoyette 466 1.2.2.2 pgoyette sdlz->future_version = NULL; 467 1.2.2.2 pgoyette } 468 1.2.2.2 pgoyette 469 1.2.2.2 pgoyette static isc_result_t 470 1.2.2.2 pgoyette createnode(dns_sdlz_db_t *sdlz, dns_sdlznode_t **nodep) { 471 1.2.2.2 pgoyette dns_sdlznode_t *node; 472 1.2.2.2 pgoyette void *sdlzv, *tdlzv; 473 1.2.2.2 pgoyette 474 1.2.2.2 pgoyette node = isc_mem_get(sdlz->common.mctx, sizeof(dns_sdlznode_t)); 475 1.2.2.2 pgoyette if (node == NULL) 476 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 477 1.2.2.2 pgoyette 478 1.2.2.2 pgoyette node->sdlz = NULL; 479 1.2.2.2 pgoyette sdlzv = sdlz; 480 1.2.2.2 pgoyette tdlzv = &node->sdlz; 481 1.2.2.2 pgoyette attach(sdlzv, tdlzv); 482 1.2.2.2 pgoyette ISC_LIST_INIT(node->lists); 483 1.2.2.2 pgoyette ISC_LIST_INIT(node->buffers); 484 1.2.2.2 pgoyette ISC_LINK_INIT(node, link); 485 1.2.2.2 pgoyette node->name = NULL; 486 1.2.2.3 pgoyette isc_mutex_init(&node->lock); 487 1.2.2.2 pgoyette dns_rdatacallbacks_init(&node->callbacks); 488 1.2.2.2 pgoyette node->references = 1; 489 1.2.2.2 pgoyette node->magic = SDLZLOOKUP_MAGIC; 490 1.2.2.2 pgoyette 491 1.2.2.2 pgoyette *nodep = node; 492 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 493 1.2.2.2 pgoyette } 494 1.2.2.2 pgoyette 495 1.2.2.2 pgoyette static void 496 1.2.2.2 pgoyette destroynode(dns_sdlznode_t *node) { 497 1.2.2.2 pgoyette dns_rdatalist_t *list; 498 1.2.2.2 pgoyette dns_rdata_t *rdata; 499 1.2.2.2 pgoyette isc_buffer_t *b; 500 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz; 501 1.2.2.2 pgoyette dns_db_t *db; 502 1.2.2.2 pgoyette isc_mem_t *mctx; 503 1.2.2.2 pgoyette 504 1.2.2.2 pgoyette sdlz = node->sdlz; 505 1.2.2.2 pgoyette mctx = sdlz->common.mctx; 506 1.2.2.2 pgoyette 507 1.2.2.2 pgoyette while (!ISC_LIST_EMPTY(node->lists)) { 508 1.2.2.2 pgoyette list = ISC_LIST_HEAD(node->lists); 509 1.2.2.2 pgoyette while (!ISC_LIST_EMPTY(list->rdata)) { 510 1.2.2.2 pgoyette rdata = ISC_LIST_HEAD(list->rdata); 511 1.2.2.2 pgoyette ISC_LIST_UNLINK(list->rdata, rdata, link); 512 1.2.2.2 pgoyette isc_mem_put(mctx, rdata, sizeof(dns_rdata_t)); 513 1.2.2.2 pgoyette } 514 1.2.2.2 pgoyette ISC_LIST_UNLINK(node->lists, list, link); 515 1.2.2.2 pgoyette isc_mem_put(mctx, list, sizeof(dns_rdatalist_t)); 516 1.2.2.2 pgoyette } 517 1.2.2.2 pgoyette 518 1.2.2.2 pgoyette while (!ISC_LIST_EMPTY(node->buffers)) { 519 1.2.2.2 pgoyette b = ISC_LIST_HEAD(node->buffers); 520 1.2.2.2 pgoyette ISC_LIST_UNLINK(node->buffers, b, link); 521 1.2.2.2 pgoyette isc_buffer_free(&b); 522 1.2.2.2 pgoyette } 523 1.2.2.2 pgoyette 524 1.2.2.2 pgoyette if (node->name != NULL) { 525 1.2.2.2 pgoyette dns_name_free(node->name, mctx); 526 1.2.2.2 pgoyette isc_mem_put(mctx, node->name, sizeof(dns_name_t)); 527 1.2.2.2 pgoyette } 528 1.2.2.3 pgoyette isc_mutex_destroy(&node->lock); 529 1.2.2.2 pgoyette node->magic = 0; 530 1.2.2.2 pgoyette isc_mem_put(mctx, node, sizeof(dns_sdlznode_t)); 531 1.2.2.2 pgoyette db = &sdlz->common; 532 1.2.2.2 pgoyette detach(&db); 533 1.2.2.2 pgoyette } 534 1.2.2.2 pgoyette 535 1.2.2.2 pgoyette static isc_result_t 536 1.2.2.3 pgoyette getnodedata(dns_db_t *db, const dns_name_t *name, bool create, 537 1.2.2.2 pgoyette unsigned int options, dns_clientinfomethods_t *methods, 538 1.2.2.2 pgoyette dns_clientinfo_t *clientinfo, dns_dbnode_t **nodep) 539 1.2.2.2 pgoyette { 540 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 541 1.2.2.2 pgoyette dns_sdlznode_t *node = NULL; 542 1.2.2.2 pgoyette isc_result_t result; 543 1.2.2.2 pgoyette isc_buffer_t b; 544 1.2.2.2 pgoyette char namestr[DNS_NAME_MAXTEXT + 1]; 545 1.2.2.2 pgoyette isc_buffer_t b2; 546 1.2.2.2 pgoyette char zonestr[DNS_NAME_MAXTEXT + 1]; 547 1.2.2.3 pgoyette bool isorigin; 548 1.2.2.2 pgoyette dns_sdlzauthorityfunc_t authority; 549 1.2.2.2 pgoyette 550 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 551 1.2.2.2 pgoyette REQUIRE(nodep != NULL && *nodep == NULL); 552 1.2.2.2 pgoyette 553 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->newversion == NULL) { 554 1.2.2.3 pgoyette REQUIRE(create == false); 555 1.2.2.2 pgoyette } 556 1.2.2.2 pgoyette 557 1.2.2.2 pgoyette isc_buffer_init(&b, namestr, sizeof(namestr)); 558 1.2.2.2 pgoyette if ((sdlz->dlzimp->flags & DNS_SDLZFLAG_RELATIVEOWNER) != 0) { 559 1.2.2.2 pgoyette dns_name_t relname; 560 1.2.2.2 pgoyette unsigned int labels; 561 1.2.2.2 pgoyette 562 1.2.2.2 pgoyette labels = dns_name_countlabels(name) - 563 1.2.2.2 pgoyette dns_name_countlabels(&sdlz->common.origin); 564 1.2.2.2 pgoyette dns_name_init(&relname, NULL); 565 1.2.2.2 pgoyette dns_name_getlabelsequence(name, 0, labels, &relname); 566 1.2.2.3 pgoyette result = dns_name_totext(&relname, true, &b); 567 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 568 1.2.2.2 pgoyette return (result); 569 1.2.2.2 pgoyette } else { 570 1.2.2.3 pgoyette result = dns_name_totext(name, true, &b); 571 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 572 1.2.2.2 pgoyette return (result); 573 1.2.2.2 pgoyette } 574 1.2.2.2 pgoyette isc_buffer_putuint8(&b, 0); 575 1.2.2.2 pgoyette 576 1.2.2.2 pgoyette isc_buffer_init(&b2, zonestr, sizeof(zonestr)); 577 1.2.2.3 pgoyette result = dns_name_totext(&sdlz->common.origin, true, &b2); 578 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 579 1.2.2.2 pgoyette return (result); 580 1.2.2.2 pgoyette isc_buffer_putuint8(&b2, 0); 581 1.2.2.2 pgoyette 582 1.2.2.2 pgoyette result = createnode(sdlz, &node); 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 586 1.2.2.2 pgoyette isorigin = dns_name_equal(name, &sdlz->common.origin); 587 1.2.2.2 pgoyette 588 1.2.2.2 pgoyette /* make sure strings are always lowercase */ 589 1.2.2.2 pgoyette dns_sdlz_tolower(zonestr); 590 1.2.2.2 pgoyette dns_sdlz_tolower(namestr); 591 1.2.2.2 pgoyette 592 1.2.2.2 pgoyette MAYBE_LOCK(sdlz->dlzimp); 593 1.2.2.2 pgoyette 594 1.2.2.2 pgoyette /* try to lookup the host (namestr) */ 595 1.2.2.2 pgoyette result = sdlz->dlzimp->methods->lookup(zonestr, namestr, 596 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 597 1.2.2.2 pgoyette sdlz->dbdata, node, 598 1.2.2.2 pgoyette methods, clientinfo); 599 1.2.2.2 pgoyette 600 1.2.2.2 pgoyette /* 601 1.2.2.2 pgoyette * If the name was not found and DNS_DBFIND_NOWILD is not 602 1.2.2.2 pgoyette * set, then we try to find a wildcard entry. 603 1.2.2.2 pgoyette * 604 1.2.2.2 pgoyette * If DNS_DBFIND_NOZONECUT is set and there are multiple 605 1.2.2.2 pgoyette * levels between the host and the zone origin, we also look 606 1.2.2.2 pgoyette * for wildcards at each level. 607 1.2.2.2 pgoyette */ 608 1.2.2.2 pgoyette if (result == ISC_R_NOTFOUND && !create && 609 1.2.2.2 pgoyette (options & DNS_DBFIND_NOWILD) == 0) 610 1.2.2.2 pgoyette { 611 1.2.2.2 pgoyette unsigned int i, dlabels, nlabels; 612 1.2.2.2 pgoyette 613 1.2.2.2 pgoyette nlabels = dns_name_countlabels(name); 614 1.2.2.2 pgoyette dlabels = nlabels - dns_name_countlabels(&sdlz->common.origin); 615 1.2.2.2 pgoyette for (i = 0; i < dlabels; i++) { 616 1.2.2.2 pgoyette char wildstr[DNS_NAME_MAXTEXT + 1]; 617 1.2.2.2 pgoyette dns_fixedname_t fixed; 618 1.2.2.2 pgoyette const dns_name_t *wild; 619 1.2.2.2 pgoyette 620 1.2.2.2 pgoyette dns_fixedname_init(&fixed); 621 1.2.2.2 pgoyette if (i == dlabels) 622 1.2.2.2 pgoyette wild = dns_wildcardname; 623 1.2.2.2 pgoyette else { 624 1.2.2.2 pgoyette dns_name_t *fname; 625 1.2.2.2 pgoyette fname = dns_fixedname_name(&fixed); 626 1.2.2.2 pgoyette dns_name_getlabelsequence(name, i + 1, 627 1.2.2.2 pgoyette dlabels - i - 1, 628 1.2.2.2 pgoyette fname); 629 1.2.2.2 pgoyette result = dns_name_concatenate(dns_wildcardname, 630 1.2.2.2 pgoyette fname, fname, 631 1.2.2.2 pgoyette NULL); 632 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 633 1.2.2.2 pgoyette return (result); 634 1.2.2.2 pgoyette wild = fname; 635 1.2.2.2 pgoyette } 636 1.2.2.2 pgoyette 637 1.2.2.2 pgoyette isc_buffer_init(&b, wildstr, sizeof(wildstr)); 638 1.2.2.3 pgoyette result = dns_name_totext(wild, true, &b); 639 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 640 1.2.2.2 pgoyette return (result); 641 1.2.2.2 pgoyette isc_buffer_putuint8(&b, 0); 642 1.2.2.2 pgoyette 643 1.2.2.2 pgoyette result = sdlz->dlzimp->methods->lookup(zonestr, wildstr, 644 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 645 1.2.2.2 pgoyette sdlz->dbdata, node, 646 1.2.2.2 pgoyette methods, clientinfo); 647 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) 648 1.2.2.2 pgoyette break; 649 1.2.2.2 pgoyette } 650 1.2.2.2 pgoyette } 651 1.2.2.2 pgoyette 652 1.2.2.2 pgoyette MAYBE_UNLOCK(sdlz->dlzimp); 653 1.2.2.2 pgoyette 654 1.2.2.2 pgoyette if (result == ISC_R_NOTFOUND && (isorigin || create)) 655 1.2.2.2 pgoyette result = ISC_R_SUCCESS; 656 1.2.2.2 pgoyette 657 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 658 1.2.2.2 pgoyette destroynode(node); 659 1.2.2.2 pgoyette return (result); 660 1.2.2.2 pgoyette } 661 1.2.2.2 pgoyette 662 1.2.2.2 pgoyette if (isorigin && sdlz->dlzimp->methods->authority != NULL) { 663 1.2.2.2 pgoyette MAYBE_LOCK(sdlz->dlzimp); 664 1.2.2.2 pgoyette authority = sdlz->dlzimp->methods->authority; 665 1.2.2.2 pgoyette result = (*authority)(zonestr, sdlz->dlzimp->driverarg, 666 1.2.2.2 pgoyette sdlz->dbdata, node); 667 1.2.2.2 pgoyette MAYBE_UNLOCK(sdlz->dlzimp); 668 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS && 669 1.2.2.2 pgoyette result != ISC_R_NOTIMPLEMENTED) 670 1.2.2.2 pgoyette { 671 1.2.2.2 pgoyette destroynode(node); 672 1.2.2.2 pgoyette return (result); 673 1.2.2.2 pgoyette } 674 1.2.2.2 pgoyette } 675 1.2.2.2 pgoyette 676 1.2.2.2 pgoyette if (node->name == NULL) { 677 1.2.2.2 pgoyette node->name = isc_mem_get(sdlz->common.mctx, 678 1.2.2.2 pgoyette sizeof(dns_name_t)); 679 1.2.2.2 pgoyette if (node->name == NULL) { 680 1.2.2.2 pgoyette destroynode(node); 681 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 682 1.2.2.2 pgoyette } 683 1.2.2.2 pgoyette dns_name_init(node->name, NULL); 684 1.2.2.2 pgoyette result = dns_name_dup(name, sdlz->common.mctx, node->name); 685 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 686 1.2.2.2 pgoyette isc_mem_put(sdlz->common.mctx, node->name, 687 1.2.2.2 pgoyette sizeof(dns_name_t)); 688 1.2.2.2 pgoyette destroynode(node); 689 1.2.2.2 pgoyette return (result); 690 1.2.2.2 pgoyette } 691 1.2.2.2 pgoyette } 692 1.2.2.2 pgoyette 693 1.2.2.2 pgoyette *nodep = node; 694 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 695 1.2.2.2 pgoyette } 696 1.2.2.2 pgoyette 697 1.2.2.2 pgoyette static isc_result_t 698 1.2.2.3 pgoyette findnodeext(dns_db_t *db, const dns_name_t *name, bool create, 699 1.2.2.2 pgoyette dns_clientinfomethods_t *methods, dns_clientinfo_t *clientinfo, 700 1.2.2.2 pgoyette dns_dbnode_t **nodep) 701 1.2.2.2 pgoyette { 702 1.2.2.2 pgoyette return (getnodedata(db, name, create, 0, methods, clientinfo, nodep)); 703 1.2.2.2 pgoyette } 704 1.2.2.2 pgoyette 705 1.2.2.2 pgoyette static isc_result_t 706 1.2.2.3 pgoyette findnode(dns_db_t *db, const dns_name_t *name, bool create, 707 1.2.2.2 pgoyette dns_dbnode_t **nodep) 708 1.2.2.2 pgoyette { 709 1.2.2.2 pgoyette return (getnodedata(db, name, create, 0, NULL, NULL, nodep)); 710 1.2.2.2 pgoyette } 711 1.2.2.2 pgoyette 712 1.2.2.2 pgoyette static isc_result_t 713 1.2.2.2 pgoyette findzonecut(dns_db_t *db, const dns_name_t *name, unsigned int options, 714 1.2.2.2 pgoyette isc_stdtime_t now, dns_dbnode_t **nodep, dns_name_t *foundname, 715 1.2.2.3 pgoyette dns_name_t *dcname, dns_rdataset_t *rdataset, 716 1.2.2.3 pgoyette dns_rdataset_t *sigrdataset) 717 1.2.2.2 pgoyette { 718 1.2.2.2 pgoyette UNUSED(db); 719 1.2.2.2 pgoyette UNUSED(name); 720 1.2.2.2 pgoyette UNUSED(options); 721 1.2.2.2 pgoyette UNUSED(now); 722 1.2.2.2 pgoyette UNUSED(nodep); 723 1.2.2.2 pgoyette UNUSED(foundname); 724 1.2.2.3 pgoyette UNUSED(dcname); 725 1.2.2.2 pgoyette UNUSED(rdataset); 726 1.2.2.2 pgoyette UNUSED(sigrdataset); 727 1.2.2.2 pgoyette 728 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 729 1.2.2.2 pgoyette } 730 1.2.2.2 pgoyette 731 1.2.2.2 pgoyette static void 732 1.2.2.2 pgoyette attachnode(dns_db_t *db, dns_dbnode_t *source, dns_dbnode_t **targetp) { 733 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 734 1.2.2.2 pgoyette dns_sdlznode_t *node = (dns_sdlznode_t *)source; 735 1.2.2.2 pgoyette 736 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 737 1.2.2.2 pgoyette 738 1.2.2.2 pgoyette UNUSED(sdlz); 739 1.2.2.2 pgoyette 740 1.2.2.2 pgoyette LOCK(&node->lock); 741 1.2.2.2 pgoyette INSIST(node->references > 0); 742 1.2.2.2 pgoyette node->references++; 743 1.2.2.2 pgoyette INSIST(node->references != 0); /* Catch overflow. */ 744 1.2.2.2 pgoyette UNLOCK(&node->lock); 745 1.2.2.2 pgoyette 746 1.2.2.2 pgoyette *targetp = source; 747 1.2.2.2 pgoyette } 748 1.2.2.2 pgoyette 749 1.2.2.2 pgoyette static void 750 1.2.2.2 pgoyette detachnode(dns_db_t *db, dns_dbnode_t **targetp) { 751 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 752 1.2.2.2 pgoyette dns_sdlznode_t *node; 753 1.2.2.3 pgoyette bool need_destroy = false; 754 1.2.2.2 pgoyette 755 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 756 1.2.2.2 pgoyette REQUIRE(targetp != NULL && *targetp != NULL); 757 1.2.2.2 pgoyette 758 1.2.2.2 pgoyette UNUSED(sdlz); 759 1.2.2.2 pgoyette 760 1.2.2.2 pgoyette node = (dns_sdlznode_t *)(*targetp); 761 1.2.2.2 pgoyette 762 1.2.2.2 pgoyette LOCK(&node->lock); 763 1.2.2.2 pgoyette INSIST(node->references > 0); 764 1.2.2.2 pgoyette node->references--; 765 1.2.2.2 pgoyette if (node->references == 0) 766 1.2.2.3 pgoyette need_destroy = true; 767 1.2.2.2 pgoyette UNLOCK(&node->lock); 768 1.2.2.2 pgoyette 769 1.2.2.2 pgoyette if (need_destroy) 770 1.2.2.2 pgoyette destroynode(node); 771 1.2.2.2 pgoyette 772 1.2.2.2 pgoyette *targetp = NULL; 773 1.2.2.2 pgoyette } 774 1.2.2.2 pgoyette 775 1.2.2.2 pgoyette static isc_result_t 776 1.2.2.2 pgoyette expirenode(dns_db_t *db, dns_dbnode_t *node, isc_stdtime_t now) { 777 1.2.2.2 pgoyette UNUSED(db); 778 1.2.2.2 pgoyette UNUSED(node); 779 1.2.2.2 pgoyette UNUSED(now); 780 1.2.2.2 pgoyette INSIST(0); 781 1.2.2.3 pgoyette ISC_UNREACHABLE(); 782 1.2.2.2 pgoyette } 783 1.2.2.2 pgoyette 784 1.2.2.2 pgoyette static void 785 1.2.2.2 pgoyette printnode(dns_db_t *db, dns_dbnode_t *node, FILE *out) { 786 1.2.2.2 pgoyette UNUSED(db); 787 1.2.2.2 pgoyette UNUSED(node); 788 1.2.2.2 pgoyette UNUSED(out); 789 1.2.2.2 pgoyette return; 790 1.2.2.2 pgoyette } 791 1.2.2.2 pgoyette 792 1.2.2.2 pgoyette static isc_result_t 793 1.2.2.2 pgoyette createiterator(dns_db_t *db, unsigned int options, dns_dbiterator_t **iteratorp) 794 1.2.2.2 pgoyette { 795 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 796 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter; 797 1.2.2.2 pgoyette isc_result_t result; 798 1.2.2.2 pgoyette isc_buffer_t b; 799 1.2.2.2 pgoyette char zonestr[DNS_NAME_MAXTEXT + 1]; 800 1.2.2.2 pgoyette 801 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 802 1.2.2.2 pgoyette 803 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->allnodes == NULL) 804 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 805 1.2.2.2 pgoyette 806 1.2.2.2 pgoyette if ((options & DNS_DB_NSEC3ONLY) != 0 || 807 1.2.2.2 pgoyette (options & DNS_DB_NONSEC3) != 0) 808 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 809 1.2.2.2 pgoyette 810 1.2.2.2 pgoyette isc_buffer_init(&b, zonestr, sizeof(zonestr)); 811 1.2.2.3 pgoyette result = dns_name_totext(&sdlz->common.origin, true, &b); 812 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 813 1.2.2.2 pgoyette return (result); 814 1.2.2.2 pgoyette isc_buffer_putuint8(&b, 0); 815 1.2.2.2 pgoyette 816 1.2.2.2 pgoyette sdlziter = isc_mem_get(sdlz->common.mctx, sizeof(sdlz_dbiterator_t)); 817 1.2.2.2 pgoyette if (sdlziter == NULL) 818 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 819 1.2.2.2 pgoyette 820 1.2.2.2 pgoyette sdlziter->common.methods = &dbiterator_methods; 821 1.2.2.2 pgoyette sdlziter->common.db = NULL; 822 1.2.2.2 pgoyette dns_db_attach(db, &sdlziter->common.db); 823 1.2.2.3 pgoyette sdlziter->common.relative_names = 824 1.2.2.3 pgoyette ((options & DNS_DB_RELATIVENAMES) != 0); 825 1.2.2.2 pgoyette sdlziter->common.magic = DNS_DBITERATOR_MAGIC; 826 1.2.2.2 pgoyette ISC_LIST_INIT(sdlziter->nodelist); 827 1.2.2.2 pgoyette sdlziter->current = NULL; 828 1.2.2.2 pgoyette sdlziter->origin = NULL; 829 1.2.2.2 pgoyette 830 1.2.2.2 pgoyette /* make sure strings are always lowercase */ 831 1.2.2.2 pgoyette dns_sdlz_tolower(zonestr); 832 1.2.2.2 pgoyette 833 1.2.2.2 pgoyette MAYBE_LOCK(sdlz->dlzimp); 834 1.2.2.2 pgoyette result = sdlz->dlzimp->methods->allnodes(zonestr, 835 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 836 1.2.2.2 pgoyette sdlz->dbdata, sdlziter); 837 1.2.2.2 pgoyette MAYBE_UNLOCK(sdlz->dlzimp); 838 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 839 1.2.2.2 pgoyette dns_dbiterator_t *iter = &sdlziter->common; 840 1.2.2.2 pgoyette dbiterator_destroy(&iter); 841 1.2.2.2 pgoyette return (result); 842 1.2.2.2 pgoyette } 843 1.2.2.2 pgoyette 844 1.2.2.2 pgoyette if (sdlziter->origin != NULL) { 845 1.2.2.2 pgoyette ISC_LIST_UNLINK(sdlziter->nodelist, sdlziter->origin, link); 846 1.2.2.2 pgoyette ISC_LIST_PREPEND(sdlziter->nodelist, sdlziter->origin, link); 847 1.2.2.2 pgoyette } 848 1.2.2.2 pgoyette 849 1.2.2.2 pgoyette *iteratorp = (dns_dbiterator_t *)sdlziter; 850 1.2.2.2 pgoyette 851 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 852 1.2.2.2 pgoyette } 853 1.2.2.2 pgoyette 854 1.2.2.2 pgoyette static isc_result_t 855 1.2.2.2 pgoyette findrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 856 1.2.2.2 pgoyette dns_rdatatype_t type, dns_rdatatype_t covers, 857 1.2.2.2 pgoyette isc_stdtime_t now, dns_rdataset_t *rdataset, 858 1.2.2.2 pgoyette dns_rdataset_t *sigrdataset) 859 1.2.2.2 pgoyette { 860 1.2.2.2 pgoyette dns_rdatalist_t *list; 861 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode = (dns_sdlznode_t *)node; 862 1.2.2.2 pgoyette 863 1.2.2.2 pgoyette REQUIRE(VALID_SDLZNODE(node)); 864 1.2.2.2 pgoyette 865 1.2.2.2 pgoyette UNUSED(db); 866 1.2.2.2 pgoyette UNUSED(version); 867 1.2.2.2 pgoyette UNUSED(covers); 868 1.2.2.2 pgoyette UNUSED(now); 869 1.2.2.2 pgoyette UNUSED(sigrdataset); 870 1.2.2.2 pgoyette 871 1.2.2.2 pgoyette if (type == dns_rdatatype_sig || type == dns_rdatatype_rrsig) 872 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 873 1.2.2.2 pgoyette 874 1.2.2.2 pgoyette list = ISC_LIST_HEAD(sdlznode->lists); 875 1.2.2.2 pgoyette while (list != NULL) { 876 1.2.2.2 pgoyette if (list->type == type) 877 1.2.2.2 pgoyette break; 878 1.2.2.2 pgoyette list = ISC_LIST_NEXT(list, link); 879 1.2.2.2 pgoyette } 880 1.2.2.2 pgoyette if (list == NULL) 881 1.2.2.2 pgoyette return (ISC_R_NOTFOUND); 882 1.2.2.2 pgoyette 883 1.2.2.2 pgoyette list_tordataset(list, db, node, rdataset); 884 1.2.2.2 pgoyette 885 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 886 1.2.2.2 pgoyette } 887 1.2.2.2 pgoyette 888 1.2.2.2 pgoyette static isc_result_t 889 1.2.2.2 pgoyette findext(dns_db_t *db, const dns_name_t *name, dns_dbversion_t *version, 890 1.2.2.2 pgoyette dns_rdatatype_t type, unsigned int options, isc_stdtime_t now, 891 1.2.2.2 pgoyette dns_dbnode_t **nodep, dns_name_t *foundname, 892 1.2.2.2 pgoyette dns_clientinfomethods_t *methods, dns_clientinfo_t *clientinfo, 893 1.2.2.2 pgoyette dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) 894 1.2.2.2 pgoyette { 895 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 896 1.2.2.2 pgoyette dns_dbnode_t *node = NULL; 897 1.2.2.2 pgoyette dns_fixedname_t fname; 898 1.2.2.2 pgoyette dns_rdataset_t xrdataset; 899 1.2.2.2 pgoyette dns_name_t *xname; 900 1.2.2.2 pgoyette unsigned int nlabels, olabels; 901 1.2.2.2 pgoyette isc_result_t result; 902 1.2.2.2 pgoyette unsigned int i; 903 1.2.2.2 pgoyette 904 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 905 1.2.2.2 pgoyette REQUIRE(nodep == NULL || *nodep == NULL); 906 1.2.2.2 pgoyette REQUIRE(version == NULL || 907 1.2.2.2 pgoyette version == (void*)&sdlz->dummy_version || 908 1.2.2.2 pgoyette version == sdlz->future_version); 909 1.2.2.2 pgoyette 910 1.2.2.2 pgoyette UNUSED(sdlz); 911 1.2.2.2 pgoyette 912 1.2.2.2 pgoyette if (!dns_name_issubdomain(name, &db->origin)) 913 1.2.2.2 pgoyette return (DNS_R_NXDOMAIN); 914 1.2.2.2 pgoyette 915 1.2.2.2 pgoyette olabels = dns_name_countlabels(&db->origin); 916 1.2.2.2 pgoyette nlabels = dns_name_countlabels(name); 917 1.2.2.2 pgoyette 918 1.2.2.2 pgoyette xname = dns_fixedname_initname(&fname); 919 1.2.2.2 pgoyette 920 1.2.2.2 pgoyette if (rdataset == NULL) { 921 1.2.2.2 pgoyette dns_rdataset_init(&xrdataset); 922 1.2.2.2 pgoyette rdataset = &xrdataset; 923 1.2.2.2 pgoyette } 924 1.2.2.2 pgoyette 925 1.2.2.2 pgoyette result = DNS_R_NXDOMAIN; 926 1.2.2.2 pgoyette 927 1.2.2.2 pgoyette /* 928 1.2.2.2 pgoyette * If we're not walking down searching for zone 929 1.2.2.2 pgoyette * cuts, we can cut straight to the chase 930 1.2.2.2 pgoyette */ 931 1.2.2.2 pgoyette if ((options & DNS_DBFIND_NOZONECUT) != 0) { 932 1.2.2.2 pgoyette i = nlabels; 933 1.2.2.2 pgoyette goto search; 934 1.2.2.2 pgoyette } 935 1.2.2.2 pgoyette 936 1.2.2.2 pgoyette for (i = olabels; i <= nlabels; i++) { 937 1.2.2.2 pgoyette search: 938 1.2.2.2 pgoyette /* 939 1.2.2.2 pgoyette * Look up the next label. 940 1.2.2.2 pgoyette */ 941 1.2.2.2 pgoyette dns_name_getlabelsequence(name, nlabels - i, i, xname); 942 1.2.2.3 pgoyette result = getnodedata(db, xname, false, options, 943 1.2.2.2 pgoyette methods, clientinfo, &node); 944 1.2.2.2 pgoyette if (result == ISC_R_NOTFOUND) { 945 1.2.2.2 pgoyette result = DNS_R_NXDOMAIN; 946 1.2.2.2 pgoyette continue; 947 1.2.2.2 pgoyette } else if (result != ISC_R_SUCCESS) 948 1.2.2.2 pgoyette break; 949 1.2.2.2 pgoyette 950 1.2.2.2 pgoyette /* 951 1.2.2.2 pgoyette * Look for a DNAME at the current label, unless this is 952 1.2.2.2 pgoyette * the qname. 953 1.2.2.2 pgoyette */ 954 1.2.2.2 pgoyette if (i < nlabels) { 955 1.2.2.2 pgoyette result = findrdataset(db, node, version, 956 1.2.2.2 pgoyette dns_rdatatype_dname, 0, now, 957 1.2.2.2 pgoyette rdataset, sigrdataset); 958 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) { 959 1.2.2.2 pgoyette result = DNS_R_DNAME; 960 1.2.2.2 pgoyette break; 961 1.2.2.2 pgoyette } 962 1.2.2.2 pgoyette } 963 1.2.2.2 pgoyette 964 1.2.2.2 pgoyette /* 965 1.2.2.2 pgoyette * Look for an NS at the current label, unless this is the 966 1.2.2.2 pgoyette * origin, glue is ok, or there are known to be no zone cuts. 967 1.2.2.2 pgoyette */ 968 1.2.2.2 pgoyette if (i != olabels && (options & DNS_DBFIND_GLUEOK) == 0 && 969 1.2.2.2 pgoyette (options & DNS_DBFIND_NOZONECUT) == 0) 970 1.2.2.2 pgoyette { 971 1.2.2.2 pgoyette result = findrdataset(db, node, version, 972 1.2.2.2 pgoyette dns_rdatatype_ns, 0, now, 973 1.2.2.2 pgoyette rdataset, sigrdataset); 974 1.2.2.2 pgoyette 975 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS && 976 1.2.2.2 pgoyette i == nlabels && type == dns_rdatatype_any) 977 1.2.2.2 pgoyette { 978 1.2.2.2 pgoyette result = DNS_R_ZONECUT; 979 1.2.2.2 pgoyette dns_rdataset_disassociate(rdataset); 980 1.2.2.2 pgoyette if (sigrdataset != NULL && 981 1.2.2.2 pgoyette dns_rdataset_isassociated(sigrdataset)) 982 1.2.2.2 pgoyette dns_rdataset_disassociate(sigrdataset); 983 1.2.2.2 pgoyette break; 984 1.2.2.2 pgoyette } else if (result == ISC_R_SUCCESS) { 985 1.2.2.2 pgoyette result = DNS_R_DELEGATION; 986 1.2.2.2 pgoyette break; 987 1.2.2.2 pgoyette } 988 1.2.2.2 pgoyette } 989 1.2.2.2 pgoyette 990 1.2.2.2 pgoyette /* 991 1.2.2.2 pgoyette * If the current name is not the qname, add another label 992 1.2.2.2 pgoyette * and try again. 993 1.2.2.2 pgoyette */ 994 1.2.2.2 pgoyette if (i < nlabels) { 995 1.2.2.2 pgoyette destroynode(node); 996 1.2.2.2 pgoyette node = NULL; 997 1.2.2.2 pgoyette continue; 998 1.2.2.2 pgoyette } 999 1.2.2.2 pgoyette 1000 1.2.2.2 pgoyette /* 1001 1.2.2.2 pgoyette * If we're looking for ANY, we're done. 1002 1.2.2.2 pgoyette */ 1003 1.2.2.2 pgoyette if (type == dns_rdatatype_any) { 1004 1.2.2.2 pgoyette result = ISC_R_SUCCESS; 1005 1.2.2.2 pgoyette break; 1006 1.2.2.2 pgoyette } 1007 1.2.2.2 pgoyette 1008 1.2.2.2 pgoyette /* 1009 1.2.2.2 pgoyette * Look for the qtype. 1010 1.2.2.2 pgoyette */ 1011 1.2.2.2 pgoyette result = findrdataset(db, node, version, type, 0, now, 1012 1.2.2.2 pgoyette rdataset, sigrdataset); 1013 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) 1014 1.2.2.2 pgoyette break; 1015 1.2.2.2 pgoyette 1016 1.2.2.2 pgoyette /* 1017 1.2.2.2 pgoyette * Look for a CNAME 1018 1.2.2.2 pgoyette */ 1019 1.2.2.2 pgoyette if (type != dns_rdatatype_cname) { 1020 1.2.2.2 pgoyette result = findrdataset(db, node, version, 1021 1.2.2.2 pgoyette dns_rdatatype_cname, 0, now, 1022 1.2.2.2 pgoyette rdataset, sigrdataset); 1023 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) { 1024 1.2.2.2 pgoyette result = DNS_R_CNAME; 1025 1.2.2.2 pgoyette break; 1026 1.2.2.2 pgoyette } 1027 1.2.2.2 pgoyette } 1028 1.2.2.2 pgoyette 1029 1.2.2.2 pgoyette result = DNS_R_NXRRSET; 1030 1.2.2.2 pgoyette break; 1031 1.2.2.2 pgoyette } 1032 1.2.2.2 pgoyette 1033 1.2.2.2 pgoyette if (rdataset == &xrdataset && dns_rdataset_isassociated(rdataset)) 1034 1.2.2.2 pgoyette dns_rdataset_disassociate(rdataset); 1035 1.2.2.2 pgoyette 1036 1.2.2.2 pgoyette if (foundname != NULL) { 1037 1.2.2.2 pgoyette isc_result_t xresult; 1038 1.2.2.2 pgoyette 1039 1.2.2.2 pgoyette xresult = dns_name_copy(xname, foundname, NULL); 1040 1.2.2.2 pgoyette if (xresult != ISC_R_SUCCESS) { 1041 1.2.2.2 pgoyette if (node != NULL) 1042 1.2.2.2 pgoyette destroynode(node); 1043 1.2.2.2 pgoyette if (dns_rdataset_isassociated(rdataset)) 1044 1.2.2.2 pgoyette dns_rdataset_disassociate(rdataset); 1045 1.2.2.2 pgoyette return (DNS_R_BADDB); 1046 1.2.2.2 pgoyette } 1047 1.2.2.2 pgoyette } 1048 1.2.2.2 pgoyette 1049 1.2.2.2 pgoyette if (nodep != NULL) 1050 1.2.2.2 pgoyette *nodep = node; 1051 1.2.2.2 pgoyette else if (node != NULL) 1052 1.2.2.2 pgoyette detachnode(db, &node); 1053 1.2.2.2 pgoyette 1054 1.2.2.2 pgoyette return (result); 1055 1.2.2.2 pgoyette } 1056 1.2.2.2 pgoyette 1057 1.2.2.2 pgoyette static isc_result_t 1058 1.2.2.2 pgoyette find(dns_db_t *db, const dns_name_t *name, dns_dbversion_t *version, 1059 1.2.2.2 pgoyette dns_rdatatype_t type, unsigned int options, isc_stdtime_t now, 1060 1.2.2.2 pgoyette dns_dbnode_t **nodep, dns_name_t *foundname, 1061 1.2.2.2 pgoyette dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) 1062 1.2.2.2 pgoyette { 1063 1.2.2.2 pgoyette return (findext(db, name, version, type, options, now, nodep, 1064 1.2.2.2 pgoyette foundname, NULL, NULL, rdataset, sigrdataset)); 1065 1.2.2.2 pgoyette } 1066 1.2.2.2 pgoyette 1067 1.2.2.2 pgoyette static isc_result_t 1068 1.2.2.2 pgoyette allrdatasets(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 1069 1.2.2.2 pgoyette isc_stdtime_t now, dns_rdatasetiter_t **iteratorp) 1070 1.2.2.2 pgoyette { 1071 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *) db; 1072 1.2.2.2 pgoyette sdlz_rdatasetiter_t *iterator; 1073 1.2.2.2 pgoyette 1074 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1075 1.2.2.2 pgoyette 1076 1.2.2.2 pgoyette REQUIRE(version == NULL || 1077 1.2.2.2 pgoyette version == (void*)&sdlz->dummy_version || 1078 1.2.2.2 pgoyette version == sdlz->future_version); 1079 1.2.2.2 pgoyette 1080 1.2.2.2 pgoyette UNUSED(version); 1081 1.2.2.2 pgoyette UNUSED(now); 1082 1.2.2.2 pgoyette 1083 1.2.2.2 pgoyette iterator = isc_mem_get(db->mctx, sizeof(sdlz_rdatasetiter_t)); 1084 1.2.2.2 pgoyette if (iterator == NULL) 1085 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 1086 1.2.2.2 pgoyette 1087 1.2.2.2 pgoyette iterator->common.magic = DNS_RDATASETITER_MAGIC; 1088 1.2.2.2 pgoyette iterator->common.methods = &rdatasetiter_methods; 1089 1.2.2.2 pgoyette iterator->common.db = db; 1090 1.2.2.2 pgoyette iterator->common.node = NULL; 1091 1.2.2.2 pgoyette attachnode(db, node, &iterator->common.node); 1092 1.2.2.2 pgoyette iterator->common.version = version; 1093 1.2.2.2 pgoyette iterator->common.now = now; 1094 1.2.2.2 pgoyette 1095 1.2.2.2 pgoyette *iteratorp = (dns_rdatasetiter_t *)iterator; 1096 1.2.2.2 pgoyette 1097 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1098 1.2.2.2 pgoyette } 1099 1.2.2.2 pgoyette 1100 1.2.2.2 pgoyette static isc_result_t 1101 1.2.2.2 pgoyette modrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 1102 1.2.2.2 pgoyette dns_rdataset_t *rdataset, unsigned int options, 1103 1.2.2.2 pgoyette dns_sdlzmodrdataset_t mod_function) 1104 1.2.2.2 pgoyette { 1105 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 1106 1.2.2.2 pgoyette dns_master_style_t *style = NULL; 1107 1.2.2.2 pgoyette isc_result_t result; 1108 1.2.2.2 pgoyette isc_buffer_t *buffer = NULL; 1109 1.2.2.2 pgoyette isc_mem_t *mctx; 1110 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode; 1111 1.2.2.2 pgoyette char *rdatastr = NULL; 1112 1.2.2.2 pgoyette char name[DNS_NAME_MAXTEXT + 1]; 1113 1.2.2.2 pgoyette 1114 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1115 1.2.2.2 pgoyette 1116 1.2.2.2 pgoyette if (mod_function == NULL) 1117 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1118 1.2.2.2 pgoyette 1119 1.2.2.2 pgoyette sdlznode = (dns_sdlznode_t *)node; 1120 1.2.2.2 pgoyette 1121 1.2.2.2 pgoyette UNUSED(options); 1122 1.2.2.2 pgoyette 1123 1.2.2.2 pgoyette dns_name_format(sdlznode->name, name, sizeof(name)); 1124 1.2.2.2 pgoyette 1125 1.2.2.2 pgoyette mctx = sdlz->common.mctx; 1126 1.2.2.2 pgoyette 1127 1.2.2.2 pgoyette result = isc_buffer_allocate(mctx, &buffer, 1024); 1128 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1129 1.2.2.2 pgoyette return (result); 1130 1.2.2.2 pgoyette 1131 1.2.2.3 pgoyette result = dns_master_stylecreate(&style, 0, 0, 0, 0, 0, 0, 1, 1132 1.2.2.3 pgoyette 0xffffffff, mctx); 1133 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1134 1.2.2.2 pgoyette goto cleanup; 1135 1.2.2.2 pgoyette 1136 1.2.2.2 pgoyette result = dns_master_rdatasettotext(sdlznode->name, rdataset, 1137 1.2.2.2 pgoyette style, buffer); 1138 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1139 1.2.2.2 pgoyette goto cleanup; 1140 1.2.2.2 pgoyette 1141 1.2.2.2 pgoyette if (isc_buffer_usedlength(buffer) < 1) { 1142 1.2.2.2 pgoyette result = ISC_R_BADADDRESSFORM; 1143 1.2.2.2 pgoyette goto cleanup; 1144 1.2.2.2 pgoyette } 1145 1.2.2.2 pgoyette 1146 1.2.2.2 pgoyette rdatastr = isc_buffer_base(buffer); 1147 1.2.2.2 pgoyette if (rdatastr == NULL) { 1148 1.2.2.2 pgoyette result = ISC_R_NOMEMORY; 1149 1.2.2.2 pgoyette goto cleanup; 1150 1.2.2.2 pgoyette } 1151 1.2.2.2 pgoyette rdatastr[isc_buffer_usedlength(buffer) - 1] = 0; 1152 1.2.2.2 pgoyette 1153 1.2.2.2 pgoyette MAYBE_LOCK(sdlz->dlzimp); 1154 1.2.2.2 pgoyette result = mod_function(name, rdatastr, sdlz->dlzimp->driverarg, 1155 1.2.2.2 pgoyette sdlz->dbdata, version); 1156 1.2.2.2 pgoyette MAYBE_UNLOCK(sdlz->dlzimp); 1157 1.2.2.2 pgoyette 1158 1.2.2.2 pgoyette cleanup: 1159 1.2.2.2 pgoyette isc_buffer_free(&buffer); 1160 1.2.2.2 pgoyette if (style != NULL) 1161 1.2.2.2 pgoyette dns_master_styledestroy(&style, mctx); 1162 1.2.2.2 pgoyette 1163 1.2.2.2 pgoyette return (result); 1164 1.2.2.2 pgoyette } 1165 1.2.2.2 pgoyette 1166 1.2.2.2 pgoyette static isc_result_t 1167 1.2.2.2 pgoyette addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 1168 1.2.2.2 pgoyette isc_stdtime_t now, dns_rdataset_t *rdataset, unsigned int options, 1169 1.2.2.2 pgoyette dns_rdataset_t *addedrdataset) 1170 1.2.2.2 pgoyette { 1171 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 1172 1.2.2.2 pgoyette isc_result_t result; 1173 1.2.2.2 pgoyette 1174 1.2.2.2 pgoyette UNUSED(now); 1175 1.2.2.2 pgoyette UNUSED(addedrdataset); 1176 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1177 1.2.2.2 pgoyette 1178 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->addrdataset == NULL) 1179 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1180 1.2.2.2 pgoyette 1181 1.2.2.2 pgoyette result = modrdataset(db, node, version, rdataset, options, 1182 1.2.2.2 pgoyette sdlz->dlzimp->methods->addrdataset); 1183 1.2.2.2 pgoyette return (result); 1184 1.2.2.2 pgoyette } 1185 1.2.2.2 pgoyette 1186 1.2.2.2 pgoyette 1187 1.2.2.2 pgoyette static isc_result_t 1188 1.2.2.2 pgoyette subtractrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 1189 1.2.2.2 pgoyette dns_rdataset_t *rdataset, unsigned int options, 1190 1.2.2.2 pgoyette dns_rdataset_t *newrdataset) 1191 1.2.2.2 pgoyette { 1192 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 1193 1.2.2.2 pgoyette isc_result_t result; 1194 1.2.2.2 pgoyette 1195 1.2.2.2 pgoyette UNUSED(newrdataset); 1196 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1197 1.2.2.2 pgoyette 1198 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->subtractrdataset == NULL) { 1199 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1200 1.2.2.2 pgoyette } 1201 1.2.2.2 pgoyette 1202 1.2.2.2 pgoyette result = modrdataset(db, node, version, rdataset, options, 1203 1.2.2.2 pgoyette sdlz->dlzimp->methods->subtractrdataset); 1204 1.2.2.2 pgoyette return (result); 1205 1.2.2.2 pgoyette } 1206 1.2.2.2 pgoyette 1207 1.2.2.2 pgoyette static isc_result_t 1208 1.2.2.2 pgoyette deleterdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, 1209 1.2.2.2 pgoyette dns_rdatatype_t type, dns_rdatatype_t covers) 1210 1.2.2.2 pgoyette { 1211 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 1212 1.2.2.2 pgoyette char name[DNS_NAME_MAXTEXT + 1]; 1213 1.2.2.2 pgoyette char b_type[DNS_RDATATYPE_FORMATSIZE]; 1214 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode; 1215 1.2.2.2 pgoyette isc_result_t result; 1216 1.2.2.2 pgoyette 1217 1.2.2.2 pgoyette UNUSED(covers); 1218 1.2.2.2 pgoyette 1219 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1220 1.2.2.2 pgoyette 1221 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->delrdataset == NULL) 1222 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1223 1.2.2.2 pgoyette 1224 1.2.2.2 pgoyette sdlznode = (dns_sdlznode_t *)node; 1225 1.2.2.2 pgoyette dns_name_format(sdlznode->name, name, sizeof(name)); 1226 1.2.2.2 pgoyette dns_rdatatype_format(type, b_type, sizeof(b_type)); 1227 1.2.2.2 pgoyette 1228 1.2.2.2 pgoyette MAYBE_LOCK(sdlz->dlzimp); 1229 1.2.2.2 pgoyette result = sdlz->dlzimp->methods->delrdataset(name, b_type, 1230 1.2.2.2 pgoyette sdlz->dlzimp->driverarg, 1231 1.2.2.2 pgoyette sdlz->dbdata, version); 1232 1.2.2.2 pgoyette MAYBE_UNLOCK(sdlz->dlzimp); 1233 1.2.2.2 pgoyette 1234 1.2.2.2 pgoyette return (result); 1235 1.2.2.2 pgoyette } 1236 1.2.2.2 pgoyette 1237 1.2.2.3 pgoyette static bool 1238 1.2.2.2 pgoyette issecure(dns_db_t *db) { 1239 1.2.2.2 pgoyette UNUSED(db); 1240 1.2.2.2 pgoyette 1241 1.2.2.3 pgoyette return (false); 1242 1.2.2.2 pgoyette } 1243 1.2.2.2 pgoyette 1244 1.2.2.2 pgoyette static unsigned int 1245 1.2.2.2 pgoyette nodecount(dns_db_t *db) { 1246 1.2.2.2 pgoyette UNUSED(db); 1247 1.2.2.2 pgoyette 1248 1.2.2.2 pgoyette return (0); 1249 1.2.2.2 pgoyette } 1250 1.2.2.2 pgoyette 1251 1.2.2.3 pgoyette static bool 1252 1.2.2.2 pgoyette ispersistent(dns_db_t *db) { 1253 1.2.2.2 pgoyette UNUSED(db); 1254 1.2.2.3 pgoyette return (true); 1255 1.2.2.2 pgoyette } 1256 1.2.2.2 pgoyette 1257 1.2.2.2 pgoyette static void 1258 1.2.2.3 pgoyette overmem(dns_db_t *db, bool over) { 1259 1.2.2.2 pgoyette UNUSED(db); 1260 1.2.2.2 pgoyette UNUSED(over); 1261 1.2.2.2 pgoyette } 1262 1.2.2.2 pgoyette 1263 1.2.2.2 pgoyette static void 1264 1.2.2.2 pgoyette settask(dns_db_t *db, isc_task_t *task) { 1265 1.2.2.2 pgoyette UNUSED(db); 1266 1.2.2.2 pgoyette UNUSED(task); 1267 1.2.2.2 pgoyette } 1268 1.2.2.2 pgoyette 1269 1.2.2.2 pgoyette /* 1270 1.2.2.2 pgoyette * getoriginnode() is used by the update code to find the 1271 1.2.2.2 pgoyette * dns_rdatatype_dnskey record for a zone 1272 1.2.2.2 pgoyette */ 1273 1.2.2.2 pgoyette static isc_result_t 1274 1.2.2.2 pgoyette getoriginnode(dns_db_t *db, dns_dbnode_t **nodep) { 1275 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db; 1276 1.2.2.2 pgoyette isc_result_t result; 1277 1.2.2.2 pgoyette 1278 1.2.2.2 pgoyette REQUIRE(VALID_SDLZDB(sdlz)); 1279 1.2.2.2 pgoyette if (sdlz->dlzimp->methods->newversion == NULL) 1280 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1281 1.2.2.2 pgoyette 1282 1.2.2.3 pgoyette result = getnodedata(db, &sdlz->common.origin, false, 1283 1.2.2.2 pgoyette 0, NULL, NULL, nodep); 1284 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1285 1.2.2.2 pgoyette sdlz_log(ISC_LOG_ERROR, "sdlz getoriginnode failed: %s", 1286 1.2.2.2 pgoyette isc_result_totext(result)); 1287 1.2.2.2 pgoyette return (result); 1288 1.2.2.2 pgoyette } 1289 1.2.2.2 pgoyette 1290 1.2.2.2 pgoyette static dns_dbmethods_t sdlzdb_methods = { 1291 1.2.2.2 pgoyette attach, 1292 1.2.2.2 pgoyette detach, 1293 1.2.2.2 pgoyette beginload, 1294 1.2.2.2 pgoyette endload, 1295 1.2.2.2 pgoyette NULL, /* serialize */ 1296 1.2.2.2 pgoyette dump, 1297 1.2.2.2 pgoyette currentversion, 1298 1.2.2.2 pgoyette newversion, 1299 1.2.2.2 pgoyette attachversion, 1300 1.2.2.2 pgoyette closeversion, 1301 1.2.2.2 pgoyette findnode, 1302 1.2.2.2 pgoyette find, 1303 1.2.2.2 pgoyette findzonecut, 1304 1.2.2.2 pgoyette attachnode, 1305 1.2.2.2 pgoyette detachnode, 1306 1.2.2.2 pgoyette expirenode, 1307 1.2.2.2 pgoyette printnode, 1308 1.2.2.2 pgoyette createiterator, 1309 1.2.2.2 pgoyette findrdataset, 1310 1.2.2.2 pgoyette allrdatasets, 1311 1.2.2.2 pgoyette addrdataset, 1312 1.2.2.2 pgoyette subtractrdataset, 1313 1.2.2.2 pgoyette deleterdataset, 1314 1.2.2.2 pgoyette issecure, 1315 1.2.2.2 pgoyette nodecount, 1316 1.2.2.2 pgoyette ispersistent, 1317 1.2.2.2 pgoyette overmem, 1318 1.2.2.2 pgoyette settask, 1319 1.2.2.2 pgoyette getoriginnode, 1320 1.2.2.2 pgoyette NULL, /* transfernode */ 1321 1.2.2.2 pgoyette NULL, /* getnsec3parameters */ 1322 1.2.2.2 pgoyette NULL, /* findnsec3node */ 1323 1.2.2.2 pgoyette NULL, /* setsigningtime */ 1324 1.2.2.2 pgoyette NULL, /* getsigningtime */ 1325 1.2.2.2 pgoyette NULL, /* resigned */ 1326 1.2.2.2 pgoyette NULL, /* isdnssec */ 1327 1.2.2.2 pgoyette NULL, /* getrrsetstats */ 1328 1.2.2.2 pgoyette NULL, /* rpz_attach */ 1329 1.2.2.2 pgoyette NULL, /* rpz_ready */ 1330 1.2.2.2 pgoyette findnodeext, 1331 1.2.2.2 pgoyette findext, 1332 1.2.2.2 pgoyette NULL, /* setcachestats */ 1333 1.2.2.2 pgoyette NULL, /* hashsize */ 1334 1.2.2.2 pgoyette NULL, /* nodefullname */ 1335 1.2.2.2 pgoyette NULL, /* getsize */ 1336 1.2.2.2 pgoyette NULL, /* setservestalettl */ 1337 1.2.2.2 pgoyette NULL, /* getservestalettl */ 1338 1.2.2.2 pgoyette NULL /* setgluecachestats */ 1339 1.2.2.2 pgoyette }; 1340 1.2.2.2 pgoyette 1341 1.2.2.2 pgoyette /* 1342 1.2.2.2 pgoyette * Database Iterator Methods. These methods were "borrowed" from the SDB 1343 1.2.2.2 pgoyette * driver interface. See the SDB driver interface documentation for more info. 1344 1.2.2.2 pgoyette */ 1345 1.2.2.2 pgoyette 1346 1.2.2.2 pgoyette static void 1347 1.2.2.2 pgoyette dbiterator_destroy(dns_dbiterator_t **iteratorp) { 1348 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)(*iteratorp); 1349 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)sdlziter->common.db; 1350 1.2.2.2 pgoyette 1351 1.2.2.2 pgoyette while (!ISC_LIST_EMPTY(sdlziter->nodelist)) { 1352 1.2.2.2 pgoyette dns_sdlznode_t *node; 1353 1.2.2.2 pgoyette node = ISC_LIST_HEAD(sdlziter->nodelist); 1354 1.2.2.2 pgoyette ISC_LIST_UNLINK(sdlziter->nodelist, node, link); 1355 1.2.2.2 pgoyette destroynode(node); 1356 1.2.2.2 pgoyette } 1357 1.2.2.2 pgoyette 1358 1.2.2.2 pgoyette dns_db_detach(&sdlziter->common.db); 1359 1.2.2.2 pgoyette isc_mem_put(sdlz->common.mctx, sdlziter, sizeof(sdlz_dbiterator_t)); 1360 1.2.2.2 pgoyette 1361 1.2.2.2 pgoyette *iteratorp = NULL; 1362 1.2.2.2 pgoyette } 1363 1.2.2.2 pgoyette 1364 1.2.2.2 pgoyette static isc_result_t 1365 1.2.2.2 pgoyette dbiterator_first(dns_dbiterator_t *iterator) { 1366 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1367 1.2.2.2 pgoyette 1368 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_HEAD(sdlziter->nodelist); 1369 1.2.2.2 pgoyette if (sdlziter->current == NULL) 1370 1.2.2.2 pgoyette return (ISC_R_NOMORE); 1371 1.2.2.2 pgoyette else 1372 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1373 1.2.2.2 pgoyette } 1374 1.2.2.2 pgoyette 1375 1.2.2.2 pgoyette static isc_result_t 1376 1.2.2.2 pgoyette dbiterator_last(dns_dbiterator_t *iterator) { 1377 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1378 1.2.2.2 pgoyette 1379 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_TAIL(sdlziter->nodelist); 1380 1.2.2.2 pgoyette if (sdlziter->current == NULL) 1381 1.2.2.2 pgoyette return (ISC_R_NOMORE); 1382 1.2.2.2 pgoyette else 1383 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1384 1.2.2.2 pgoyette } 1385 1.2.2.2 pgoyette 1386 1.2.2.2 pgoyette static isc_result_t 1387 1.2.2.2 pgoyette dbiterator_seek(dns_dbiterator_t *iterator, const dns_name_t *name) { 1388 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1389 1.2.2.2 pgoyette 1390 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_HEAD(sdlziter->nodelist); 1391 1.2.2.2 pgoyette while (sdlziter->current != NULL) { 1392 1.2.2.2 pgoyette if (dns_name_equal(sdlziter->current->name, name)) 1393 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1394 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_NEXT(sdlziter->current, link); 1395 1.2.2.2 pgoyette } 1396 1.2.2.2 pgoyette return (ISC_R_NOTFOUND); 1397 1.2.2.2 pgoyette } 1398 1.2.2.2 pgoyette 1399 1.2.2.2 pgoyette static isc_result_t 1400 1.2.2.2 pgoyette dbiterator_prev(dns_dbiterator_t *iterator) { 1401 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1402 1.2.2.2 pgoyette 1403 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_PREV(sdlziter->current, link); 1404 1.2.2.2 pgoyette if (sdlziter->current == NULL) 1405 1.2.2.2 pgoyette return (ISC_R_NOMORE); 1406 1.2.2.2 pgoyette else 1407 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1408 1.2.2.2 pgoyette } 1409 1.2.2.2 pgoyette 1410 1.2.2.2 pgoyette static isc_result_t 1411 1.2.2.2 pgoyette dbiterator_next(dns_dbiterator_t *iterator) { 1412 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1413 1.2.2.2 pgoyette 1414 1.2.2.2 pgoyette sdlziter->current = ISC_LIST_NEXT(sdlziter->current, link); 1415 1.2.2.2 pgoyette if (sdlziter->current == NULL) 1416 1.2.2.2 pgoyette return (ISC_R_NOMORE); 1417 1.2.2.2 pgoyette else 1418 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1419 1.2.2.2 pgoyette } 1420 1.2.2.2 pgoyette 1421 1.2.2.2 pgoyette static isc_result_t 1422 1.2.2.2 pgoyette dbiterator_current(dns_dbiterator_t *iterator, dns_dbnode_t **nodep, 1423 1.2.2.2 pgoyette dns_name_t *name) 1424 1.2.2.2 pgoyette { 1425 1.2.2.2 pgoyette sdlz_dbiterator_t *sdlziter = (sdlz_dbiterator_t *)iterator; 1426 1.2.2.2 pgoyette 1427 1.2.2.2 pgoyette attachnode(iterator->db, sdlziter->current, nodep); 1428 1.2.2.2 pgoyette if (name != NULL) 1429 1.2.2.2 pgoyette return (dns_name_copy(sdlziter->current->name, name, NULL)); 1430 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1431 1.2.2.2 pgoyette } 1432 1.2.2.2 pgoyette 1433 1.2.2.2 pgoyette static isc_result_t 1434 1.2.2.2 pgoyette dbiterator_pause(dns_dbiterator_t *iterator) { 1435 1.2.2.2 pgoyette UNUSED(iterator); 1436 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1437 1.2.2.2 pgoyette } 1438 1.2.2.2 pgoyette 1439 1.2.2.2 pgoyette static isc_result_t 1440 1.2.2.2 pgoyette dbiterator_origin(dns_dbiterator_t *iterator, dns_name_t *name) { 1441 1.2.2.2 pgoyette UNUSED(iterator); 1442 1.2.2.2 pgoyette return (dns_name_copy(dns_rootname, name, NULL)); 1443 1.2.2.2 pgoyette } 1444 1.2.2.2 pgoyette 1445 1.2.2.2 pgoyette /* 1446 1.2.2.2 pgoyette * Rdataset Methods. These methods were "borrowed" from the SDB driver 1447 1.2.2.2 pgoyette * interface. See the SDB driver interface documentation for more info. 1448 1.2.2.2 pgoyette */ 1449 1.2.2.2 pgoyette 1450 1.2.2.2 pgoyette static void 1451 1.2.2.2 pgoyette disassociate(dns_rdataset_t *rdataset) { 1452 1.2.2.2 pgoyette dns_dbnode_t *node = rdataset->private5; 1453 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode = (dns_sdlznode_t *) node; 1454 1.2.2.2 pgoyette dns_db_t *db = (dns_db_t *) sdlznode->sdlz; 1455 1.2.2.2 pgoyette 1456 1.2.2.2 pgoyette detachnode(db, &node); 1457 1.2.2.2 pgoyette isc__rdatalist_disassociate(rdataset); 1458 1.2.2.2 pgoyette } 1459 1.2.2.2 pgoyette 1460 1.2.2.2 pgoyette static void 1461 1.2.2.2 pgoyette rdataset_clone(dns_rdataset_t *source, dns_rdataset_t *target) { 1462 1.2.2.2 pgoyette dns_dbnode_t *node = source->private5; 1463 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode = (dns_sdlznode_t *) node; 1464 1.2.2.2 pgoyette dns_db_t *db = (dns_db_t *) sdlznode->sdlz; 1465 1.2.2.2 pgoyette dns_dbnode_t *tempdb = NULL; 1466 1.2.2.2 pgoyette 1467 1.2.2.2 pgoyette isc__rdatalist_clone(source, target); 1468 1.2.2.2 pgoyette attachnode(db, node, &tempdb); 1469 1.2.2.2 pgoyette source->private5 = tempdb; 1470 1.2.2.2 pgoyette } 1471 1.2.2.2 pgoyette 1472 1.2.2.2 pgoyette static dns_rdatasetmethods_t rdataset_methods = { 1473 1.2.2.2 pgoyette disassociate, 1474 1.2.2.2 pgoyette isc__rdatalist_first, 1475 1.2.2.2 pgoyette isc__rdatalist_next, 1476 1.2.2.2 pgoyette isc__rdatalist_current, 1477 1.2.2.2 pgoyette rdataset_clone, 1478 1.2.2.2 pgoyette isc__rdatalist_count, 1479 1.2.2.2 pgoyette isc__rdatalist_addnoqname, 1480 1.2.2.2 pgoyette isc__rdatalist_getnoqname, 1481 1.2.2.2 pgoyette NULL, /* addclosest */ 1482 1.2.2.2 pgoyette NULL, /* getclosest */ 1483 1.2.2.2 pgoyette NULL, /* settrust */ 1484 1.2.2.2 pgoyette NULL, /* expire */ 1485 1.2.2.2 pgoyette NULL, /* clearprefetch */ 1486 1.2.2.2 pgoyette NULL, /* setownercase */ 1487 1.2.2.2 pgoyette NULL, /* getownercase */ 1488 1.2.2.2 pgoyette NULL /* addglue */ 1489 1.2.2.2 pgoyette }; 1490 1.2.2.2 pgoyette 1491 1.2.2.2 pgoyette static void 1492 1.2.2.2 pgoyette list_tordataset(dns_rdatalist_t *rdatalist, 1493 1.2.2.2 pgoyette dns_db_t *db, dns_dbnode_t *node, 1494 1.2.2.2 pgoyette dns_rdataset_t *rdataset) 1495 1.2.2.2 pgoyette { 1496 1.2.2.2 pgoyette /* 1497 1.2.2.2 pgoyette * The sdlz rdataset is an rdatalist with some additions. 1498 1.2.2.2 pgoyette * - private1 & private2 are used by the rdatalist. 1499 1.2.2.2 pgoyette * - private3 & private 4 are unused. 1500 1.2.2.2 pgoyette * - private5 is the node. 1501 1.2.2.2 pgoyette */ 1502 1.2.2.2 pgoyette 1503 1.2.2.2 pgoyette /* This should never fail. */ 1504 1.2.2.2 pgoyette RUNTIME_CHECK(dns_rdatalist_tordataset(rdatalist, rdataset) == 1505 1.2.2.2 pgoyette ISC_R_SUCCESS); 1506 1.2.2.2 pgoyette 1507 1.2.2.2 pgoyette rdataset->methods = &rdataset_methods; 1508 1.2.2.2 pgoyette dns_db_attachnode(db, node, &rdataset->private5); 1509 1.2.2.2 pgoyette } 1510 1.2.2.2 pgoyette 1511 1.2.2.2 pgoyette /* 1512 1.2.2.2 pgoyette * SDLZ core methods. This is the core of the new DLZ functionality. 1513 1.2.2.2 pgoyette */ 1514 1.2.2.2 pgoyette 1515 1.2.2.2 pgoyette /*% 1516 1.2.2.2 pgoyette * Build a 'bind' database driver structure to be returned by 1517 1.2.2.2 pgoyette * either the find zone or the allow zone transfer method. 1518 1.2.2.2 pgoyette * This method is only available in this source file, it is 1519 1.2.2.2 pgoyette * not made available anywhere else. 1520 1.2.2.2 pgoyette */ 1521 1.2.2.2 pgoyette 1522 1.2.2.2 pgoyette static isc_result_t 1523 1.2.2.2 pgoyette dns_sdlzcreateDBP(isc_mem_t *mctx, void *driverarg, void *dbdata, 1524 1.2.2.2 pgoyette const dns_name_t *name, dns_rdataclass_t rdclass, 1525 1.2.2.2 pgoyette dns_db_t **dbp) 1526 1.2.2.2 pgoyette { 1527 1.2.2.2 pgoyette isc_result_t result; 1528 1.2.2.2 pgoyette dns_sdlz_db_t *sdlzdb; 1529 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1530 1.2.2.2 pgoyette 1531 1.2.2.2 pgoyette /* check that things are as we expect */ 1532 1.2.2.2 pgoyette REQUIRE(dbp != NULL && *dbp == NULL); 1533 1.2.2.2 pgoyette REQUIRE(name != NULL); 1534 1.2.2.2 pgoyette 1535 1.2.2.2 pgoyette imp = (dns_sdlzimplementation_t *) driverarg; 1536 1.2.2.2 pgoyette 1537 1.2.2.2 pgoyette /* allocate and zero memory for driver structure */ 1538 1.2.2.2 pgoyette sdlzdb = isc_mem_get(mctx, sizeof(dns_sdlz_db_t)); 1539 1.2.2.2 pgoyette if (sdlzdb == NULL) 1540 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 1541 1.2.2.2 pgoyette memset(sdlzdb, 0, sizeof(dns_sdlz_db_t)); 1542 1.2.2.2 pgoyette 1543 1.2.2.2 pgoyette /* initialize and set origin */ 1544 1.2.2.2 pgoyette dns_name_init(&sdlzdb->common.origin, NULL); 1545 1.2.2.2 pgoyette result = dns_name_dupwithoffsets(name, mctx, &sdlzdb->common.origin); 1546 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1547 1.2.2.2 pgoyette goto mem_cleanup; 1548 1.2.2.2 pgoyette 1549 1.2.2.2 pgoyette /* initialize the reference count mutex */ 1550 1.2.2.3 pgoyette isc_mutex_init(&sdlzdb->refcnt_lock); 1551 1.2.2.2 pgoyette 1552 1.2.2.2 pgoyette /* set the rest of the database structure attributes */ 1553 1.2.2.2 pgoyette sdlzdb->dlzimp = imp; 1554 1.2.2.2 pgoyette sdlzdb->common.methods = &sdlzdb_methods; 1555 1.2.2.2 pgoyette sdlzdb->common.attributes = 0; 1556 1.2.2.2 pgoyette sdlzdb->common.rdclass = rdclass; 1557 1.2.2.2 pgoyette sdlzdb->common.mctx = NULL; 1558 1.2.2.2 pgoyette sdlzdb->dbdata = dbdata; 1559 1.2.2.2 pgoyette sdlzdb->references = 1; 1560 1.2.2.2 pgoyette 1561 1.2.2.2 pgoyette /* attach to the memory context */ 1562 1.2.2.2 pgoyette isc_mem_attach(mctx, &sdlzdb->common.mctx); 1563 1.2.2.2 pgoyette 1564 1.2.2.2 pgoyette /* mark structure as valid */ 1565 1.2.2.2 pgoyette sdlzdb->common.magic = DNS_DB_MAGIC; 1566 1.2.2.2 pgoyette sdlzdb->common.impmagic = SDLZDB_MAGIC; 1567 1.2.2.2 pgoyette *dbp = (dns_db_t *) sdlzdb; 1568 1.2.2.2 pgoyette 1569 1.2.2.2 pgoyette return (result); 1570 1.2.2.2 pgoyette mem_cleanup: 1571 1.2.2.2 pgoyette isc_mem_put(mctx, sdlzdb, sizeof(dns_sdlz_db_t)); 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 static isc_result_t 1576 1.2.2.2 pgoyette dns_sdlzallowzonexfr(void *driverarg, void *dbdata, isc_mem_t *mctx, 1577 1.2.2.2 pgoyette dns_rdataclass_t rdclass, const dns_name_t *name, 1578 1.2.2.2 pgoyette const isc_sockaddr_t *clientaddr, dns_db_t **dbp) 1579 1.2.2.2 pgoyette { 1580 1.2.2.2 pgoyette isc_buffer_t b; 1581 1.2.2.2 pgoyette isc_buffer_t b2; 1582 1.2.2.2 pgoyette char namestr[DNS_NAME_MAXTEXT + 1]; 1583 1.2.2.2 pgoyette char clientstr[(sizeof "xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:255.255.255.255") 1584 1.2.2.2 pgoyette + 1]; 1585 1.2.2.2 pgoyette isc_netaddr_t netaddr; 1586 1.2.2.2 pgoyette isc_result_t result; 1587 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1588 1.2.2.2 pgoyette 1589 1.2.2.2 pgoyette /* 1590 1.2.2.2 pgoyette * Perform checks to make sure data is as we expect it to be. 1591 1.2.2.2 pgoyette */ 1592 1.2.2.2 pgoyette REQUIRE(driverarg != NULL); 1593 1.2.2.2 pgoyette REQUIRE(name != NULL); 1594 1.2.2.2 pgoyette REQUIRE(clientaddr != NULL); 1595 1.2.2.2 pgoyette REQUIRE(dbp != NULL && *dbp == NULL); 1596 1.2.2.2 pgoyette 1597 1.2.2.2 pgoyette imp = (dns_sdlzimplementation_t *) driverarg; 1598 1.2.2.2 pgoyette 1599 1.2.2.2 pgoyette /* Convert DNS name to ascii text */ 1600 1.2.2.2 pgoyette isc_buffer_init(&b, namestr, sizeof(namestr)); 1601 1.2.2.3 pgoyette result = dns_name_totext(name, true, &b); 1602 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1603 1.2.2.2 pgoyette return (result); 1604 1.2.2.2 pgoyette isc_buffer_putuint8(&b, 0); 1605 1.2.2.2 pgoyette 1606 1.2.2.2 pgoyette /* convert client address to ascii text */ 1607 1.2.2.2 pgoyette isc_buffer_init(&b2, clientstr, sizeof(clientstr)); 1608 1.2.2.2 pgoyette isc_netaddr_fromsockaddr(&netaddr, clientaddr); 1609 1.2.2.2 pgoyette result = isc_netaddr_totext(&netaddr, &b2); 1610 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1611 1.2.2.2 pgoyette return (result); 1612 1.2.2.2 pgoyette isc_buffer_putuint8(&b2, 0); 1613 1.2.2.2 pgoyette 1614 1.2.2.2 pgoyette /* make sure strings are always lowercase */ 1615 1.2.2.2 pgoyette dns_sdlz_tolower(namestr); 1616 1.2.2.2 pgoyette dns_sdlz_tolower(clientstr); 1617 1.2.2.2 pgoyette 1618 1.2.2.2 pgoyette /* Call SDLZ driver's find zone method */ 1619 1.2.2.2 pgoyette if (imp->methods->allowzonexfr != NULL) { 1620 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1621 1.2.2.2 pgoyette result = imp->methods->allowzonexfr(imp->driverarg, dbdata, 1622 1.2.2.2 pgoyette namestr, clientstr); 1623 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1624 1.2.2.2 pgoyette /* 1625 1.2.2.2 pgoyette * if zone is supported and transfers allowed build a 'bind' 1626 1.2.2.2 pgoyette * database driver 1627 1.2.2.2 pgoyette */ 1628 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) 1629 1.2.2.2 pgoyette result = dns_sdlzcreateDBP(mctx, driverarg, dbdata, 1630 1.2.2.2 pgoyette name, rdclass, dbp); 1631 1.2.2.2 pgoyette return (result); 1632 1.2.2.2 pgoyette } 1633 1.2.2.2 pgoyette 1634 1.2.2.2 pgoyette return (ISC_R_NOTIMPLEMENTED); 1635 1.2.2.2 pgoyette } 1636 1.2.2.2 pgoyette 1637 1.2.2.2 pgoyette static isc_result_t 1638 1.2.2.2 pgoyette dns_sdlzcreate(isc_mem_t *mctx, const char *dlzname, unsigned int argc, 1639 1.2.2.2 pgoyette char *argv[], void *driverarg, void **dbdata) 1640 1.2.2.2 pgoyette { 1641 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1642 1.2.2.2 pgoyette isc_result_t result = ISC_R_NOTFOUND; 1643 1.2.2.2 pgoyette 1644 1.2.2.2 pgoyette /* Write debugging message to log */ 1645 1.2.2.2 pgoyette sdlz_log(ISC_LOG_DEBUG(2), "Loading SDLZ driver."); 1646 1.2.2.2 pgoyette 1647 1.2.2.2 pgoyette /* 1648 1.2.2.2 pgoyette * Performs checks to make sure data is as we expect it to be. 1649 1.2.2.2 pgoyette */ 1650 1.2.2.2 pgoyette REQUIRE(driverarg != NULL); 1651 1.2.2.2 pgoyette REQUIRE(dlzname != NULL); 1652 1.2.2.2 pgoyette REQUIRE(dbdata != NULL); 1653 1.2.2.2 pgoyette UNUSED(mctx); 1654 1.2.2.2 pgoyette 1655 1.2.2.2 pgoyette imp = driverarg; 1656 1.2.2.2 pgoyette 1657 1.2.2.2 pgoyette /* If the create method exists, call it. */ 1658 1.2.2.2 pgoyette if (imp->methods->create != NULL) { 1659 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1660 1.2.2.2 pgoyette result = imp->methods->create(dlzname, argc, argv, 1661 1.2.2.2 pgoyette imp->driverarg, dbdata); 1662 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1663 1.2.2.2 pgoyette } 1664 1.2.2.2 pgoyette 1665 1.2.2.2 pgoyette /* Write debugging message to log */ 1666 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) { 1667 1.2.2.2 pgoyette sdlz_log(ISC_LOG_DEBUG(2), "SDLZ driver loaded successfully."); 1668 1.2.2.2 pgoyette } else { 1669 1.2.2.2 pgoyette sdlz_log(ISC_LOG_ERROR, "SDLZ driver failed to load."); 1670 1.2.2.2 pgoyette } 1671 1.2.2.2 pgoyette 1672 1.2.2.2 pgoyette return (result); 1673 1.2.2.2 pgoyette } 1674 1.2.2.2 pgoyette 1675 1.2.2.2 pgoyette static void 1676 1.2.2.2 pgoyette dns_sdlzdestroy(void *driverdata, void **dbdata) { 1677 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1678 1.2.2.2 pgoyette 1679 1.2.2.2 pgoyette /* Write debugging message to log */ 1680 1.2.2.2 pgoyette sdlz_log(ISC_LOG_DEBUG(2), "Unloading SDLZ driver."); 1681 1.2.2.2 pgoyette 1682 1.2.2.2 pgoyette imp = driverdata; 1683 1.2.2.2 pgoyette 1684 1.2.2.2 pgoyette /* If the destroy method exists, call it. */ 1685 1.2.2.2 pgoyette if (imp->methods->destroy != NULL) { 1686 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1687 1.2.2.2 pgoyette imp->methods->destroy(imp->driverarg, dbdata); 1688 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1689 1.2.2.2 pgoyette } 1690 1.2.2.2 pgoyette } 1691 1.2.2.2 pgoyette 1692 1.2.2.2 pgoyette static isc_result_t 1693 1.2.2.2 pgoyette dns_sdlzfindzone(void *driverarg, void *dbdata, isc_mem_t *mctx, 1694 1.2.2.2 pgoyette dns_rdataclass_t rdclass, const dns_name_t *name, 1695 1.2.2.2 pgoyette dns_clientinfomethods_t *methods, 1696 1.2.2.2 pgoyette dns_clientinfo_t *clientinfo, 1697 1.2.2.2 pgoyette dns_db_t **dbp) 1698 1.2.2.2 pgoyette { 1699 1.2.2.2 pgoyette isc_buffer_t b; 1700 1.2.2.2 pgoyette char namestr[DNS_NAME_MAXTEXT + 1]; 1701 1.2.2.2 pgoyette isc_result_t result; 1702 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1703 1.2.2.2 pgoyette 1704 1.2.2.2 pgoyette /* 1705 1.2.2.2 pgoyette * Perform checks to make sure data is as we expect it to be. 1706 1.2.2.2 pgoyette */ 1707 1.2.2.2 pgoyette REQUIRE(driverarg != NULL); 1708 1.2.2.2 pgoyette REQUIRE(name != NULL); 1709 1.2.2.2 pgoyette REQUIRE(dbp != NULL && *dbp == NULL); 1710 1.2.2.2 pgoyette 1711 1.2.2.2 pgoyette imp = (dns_sdlzimplementation_t *) driverarg; 1712 1.2.2.2 pgoyette 1713 1.2.2.2 pgoyette /* Convert DNS name to ascii text */ 1714 1.2.2.2 pgoyette isc_buffer_init(&b, namestr, sizeof(namestr)); 1715 1.2.2.3 pgoyette result = dns_name_totext(name, true, &b); 1716 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1717 1.2.2.2 pgoyette return (result); 1718 1.2.2.2 pgoyette isc_buffer_putuint8(&b, 0); 1719 1.2.2.2 pgoyette 1720 1.2.2.2 pgoyette /* make sure strings are always lowercase */ 1721 1.2.2.2 pgoyette dns_sdlz_tolower(namestr); 1722 1.2.2.2 pgoyette 1723 1.2.2.2 pgoyette /* Call SDLZ driver's find zone method */ 1724 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1725 1.2.2.2 pgoyette result = imp->methods->findzone(imp->driverarg, dbdata, namestr, 1726 1.2.2.2 pgoyette methods, clientinfo); 1727 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1728 1.2.2.2 pgoyette 1729 1.2.2.2 pgoyette /* 1730 1.2.2.2 pgoyette * if zone is supported build a 'bind' database driver 1731 1.2.2.2 pgoyette * structure to return 1732 1.2.2.2 pgoyette */ 1733 1.2.2.2 pgoyette if (result == ISC_R_SUCCESS) 1734 1.2.2.2 pgoyette result = dns_sdlzcreateDBP(mctx, driverarg, dbdata, name, 1735 1.2.2.2 pgoyette rdclass, dbp); 1736 1.2.2.2 pgoyette 1737 1.2.2.2 pgoyette return (result); 1738 1.2.2.2 pgoyette } 1739 1.2.2.2 pgoyette 1740 1.2.2.2 pgoyette 1741 1.2.2.2 pgoyette static isc_result_t 1742 1.2.2.2 pgoyette dns_sdlzconfigure(void *driverarg, void *dbdata, 1743 1.2.2.2 pgoyette dns_view_t *view, dns_dlzdb_t *dlzdb) 1744 1.2.2.2 pgoyette { 1745 1.2.2.2 pgoyette isc_result_t result; 1746 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1747 1.2.2.2 pgoyette 1748 1.2.2.2 pgoyette REQUIRE(driverarg != NULL); 1749 1.2.2.2 pgoyette 1750 1.2.2.2 pgoyette imp = (dns_sdlzimplementation_t *) driverarg; 1751 1.2.2.2 pgoyette 1752 1.2.2.2 pgoyette /* Call SDLZ driver's configure method */ 1753 1.2.2.2 pgoyette if (imp->methods->configure != NULL) { 1754 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1755 1.2.2.2 pgoyette result = imp->methods->configure(view, dlzdb, 1756 1.2.2.2 pgoyette imp->driverarg, dbdata); 1757 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1758 1.2.2.2 pgoyette } else { 1759 1.2.2.2 pgoyette result = ISC_R_SUCCESS; 1760 1.2.2.2 pgoyette } 1761 1.2.2.2 pgoyette 1762 1.2.2.2 pgoyette return (result); 1763 1.2.2.2 pgoyette } 1764 1.2.2.2 pgoyette 1765 1.2.2.3 pgoyette static bool 1766 1.2.2.2 pgoyette dns_sdlzssumatch(const dns_name_t *signer, const dns_name_t *name, 1767 1.2.2.2 pgoyette const isc_netaddr_t *tcpaddr, dns_rdatatype_t type, 1768 1.2.2.2 pgoyette const dst_key_t *key, void *driverarg, void *dbdata) 1769 1.2.2.2 pgoyette { 1770 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 1771 1.2.2.2 pgoyette char b_signer[DNS_NAME_FORMATSIZE]; 1772 1.2.2.2 pgoyette char b_name[DNS_NAME_FORMATSIZE]; 1773 1.2.2.2 pgoyette char b_addr[ISC_NETADDR_FORMATSIZE]; 1774 1.2.2.2 pgoyette char b_type[DNS_RDATATYPE_FORMATSIZE]; 1775 1.2.2.2 pgoyette char b_key[DST_KEY_FORMATSIZE]; 1776 1.2.2.2 pgoyette isc_buffer_t *tkey_token = NULL; 1777 1.2.2.2 pgoyette isc_region_t token_region = { NULL, 0 }; 1778 1.2.2.3 pgoyette uint32_t token_len = 0; 1779 1.2.2.3 pgoyette bool ret; 1780 1.2.2.2 pgoyette 1781 1.2.2.2 pgoyette REQUIRE(driverarg != NULL); 1782 1.2.2.2 pgoyette 1783 1.2.2.2 pgoyette imp = (dns_sdlzimplementation_t *) driverarg; 1784 1.2.2.2 pgoyette if (imp->methods->ssumatch == NULL) 1785 1.2.2.3 pgoyette return (false); 1786 1.2.2.2 pgoyette 1787 1.2.2.2 pgoyette /* 1788 1.2.2.2 pgoyette * Format the request elements. sdlz operates on strings, not 1789 1.2.2.2 pgoyette * structures 1790 1.2.2.2 pgoyette */ 1791 1.2.2.2 pgoyette if (signer != NULL) 1792 1.2.2.2 pgoyette dns_name_format(signer, b_signer, sizeof(b_signer)); 1793 1.2.2.2 pgoyette else 1794 1.2.2.2 pgoyette b_signer[0] = 0; 1795 1.2.2.2 pgoyette 1796 1.2.2.2 pgoyette dns_name_format(name, b_name, sizeof(b_name)); 1797 1.2.2.2 pgoyette 1798 1.2.2.2 pgoyette if (tcpaddr != NULL) 1799 1.2.2.2 pgoyette isc_netaddr_format(tcpaddr, b_addr, sizeof(b_addr)); 1800 1.2.2.2 pgoyette else 1801 1.2.2.2 pgoyette b_addr[0] = 0; 1802 1.2.2.2 pgoyette 1803 1.2.2.2 pgoyette dns_rdatatype_format(type, b_type, sizeof(b_type)); 1804 1.2.2.2 pgoyette 1805 1.2.2.2 pgoyette if (key != NULL) { 1806 1.2.2.2 pgoyette dst_key_format(key, b_key, sizeof(b_key)); 1807 1.2.2.2 pgoyette tkey_token = dst_key_tkeytoken(key); 1808 1.2.2.2 pgoyette } else 1809 1.2.2.2 pgoyette b_key[0] = 0; 1810 1.2.2.2 pgoyette 1811 1.2.2.2 pgoyette if (tkey_token != NULL) { 1812 1.2.2.2 pgoyette isc_buffer_region(tkey_token, &token_region); 1813 1.2.2.2 pgoyette token_len = token_region.length; 1814 1.2.2.2 pgoyette } 1815 1.2.2.2 pgoyette 1816 1.2.2.2 pgoyette MAYBE_LOCK(imp); 1817 1.2.2.2 pgoyette ret = imp->methods->ssumatch(b_signer, b_name, b_addr, b_type, b_key, 1818 1.2.2.2 pgoyette token_len, 1819 1.2.2.2 pgoyette token_len != 0 ? token_region.base : NULL, 1820 1.2.2.2 pgoyette imp->driverarg, dbdata); 1821 1.2.2.2 pgoyette MAYBE_UNLOCK(imp); 1822 1.2.2.2 pgoyette return (ret); 1823 1.2.2.2 pgoyette } 1824 1.2.2.2 pgoyette 1825 1.2.2.2 pgoyette static dns_dlzmethods_t sdlzmethods = { 1826 1.2.2.2 pgoyette dns_sdlzcreate, 1827 1.2.2.2 pgoyette dns_sdlzdestroy, 1828 1.2.2.2 pgoyette dns_sdlzfindzone, 1829 1.2.2.2 pgoyette dns_sdlzallowzonexfr, 1830 1.2.2.2 pgoyette dns_sdlzconfigure, 1831 1.2.2.2 pgoyette dns_sdlzssumatch 1832 1.2.2.2 pgoyette }; 1833 1.2.2.2 pgoyette 1834 1.2.2.2 pgoyette /* 1835 1.2.2.2 pgoyette * Public functions. 1836 1.2.2.2 pgoyette */ 1837 1.2.2.2 pgoyette 1838 1.2.2.2 pgoyette isc_result_t 1839 1.2.2.2 pgoyette dns_sdlz_putrr(dns_sdlzlookup_t *lookup, const char *type, dns_ttl_t ttl, 1840 1.2.2.2 pgoyette const char *data) 1841 1.2.2.2 pgoyette { 1842 1.2.2.2 pgoyette dns_rdatalist_t *rdatalist; 1843 1.2.2.2 pgoyette dns_rdata_t *rdata; 1844 1.2.2.2 pgoyette dns_rdatatype_t typeval; 1845 1.2.2.2 pgoyette isc_consttextregion_t r; 1846 1.2.2.2 pgoyette isc_buffer_t b; 1847 1.2.2.2 pgoyette isc_buffer_t *rdatabuf = NULL; 1848 1.2.2.2 pgoyette isc_lex_t *lex; 1849 1.2.2.2 pgoyette isc_result_t result; 1850 1.2.2.2 pgoyette unsigned int size; 1851 1.2.2.2 pgoyette isc_mem_t *mctx; 1852 1.2.2.2 pgoyette const dns_name_t *origin; 1853 1.2.2.2 pgoyette 1854 1.2.2.2 pgoyette REQUIRE(VALID_SDLZLOOKUP(lookup)); 1855 1.2.2.2 pgoyette REQUIRE(type != NULL); 1856 1.2.2.2 pgoyette REQUIRE(data != NULL); 1857 1.2.2.2 pgoyette 1858 1.2.2.2 pgoyette mctx = lookup->sdlz->common.mctx; 1859 1.2.2.2 pgoyette 1860 1.2.2.2 pgoyette r.base = type; 1861 1.2.2.2 pgoyette r.length = strlen(type); 1862 1.2.2.2 pgoyette result = dns_rdatatype_fromtext(&typeval, (void *) &r); 1863 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1864 1.2.2.2 pgoyette return (result); 1865 1.2.2.2 pgoyette 1866 1.2.2.2 pgoyette rdatalist = ISC_LIST_HEAD(lookup->lists); 1867 1.2.2.2 pgoyette while (rdatalist != NULL) { 1868 1.2.2.2 pgoyette if (rdatalist->type == typeval) 1869 1.2.2.2 pgoyette break; 1870 1.2.2.2 pgoyette rdatalist = ISC_LIST_NEXT(rdatalist, link); 1871 1.2.2.2 pgoyette } 1872 1.2.2.2 pgoyette 1873 1.2.2.2 pgoyette if (rdatalist == NULL) { 1874 1.2.2.2 pgoyette rdatalist = isc_mem_get(mctx, sizeof(dns_rdatalist_t)); 1875 1.2.2.2 pgoyette if (rdatalist == NULL) 1876 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 1877 1.2.2.2 pgoyette dns_rdatalist_init(rdatalist); 1878 1.2.2.2 pgoyette rdatalist->rdclass = lookup->sdlz->common.rdclass; 1879 1.2.2.2 pgoyette rdatalist->type = typeval; 1880 1.2.2.2 pgoyette rdatalist->ttl = ttl; 1881 1.2.2.2 pgoyette ISC_LIST_APPEND(lookup->lists, rdatalist, link); 1882 1.2.2.2 pgoyette } else 1883 1.2.2.2 pgoyette if (rdatalist->ttl > ttl) { 1884 1.2.2.2 pgoyette /* 1885 1.2.2.2 pgoyette * BIND9 doesn't enforce all RRs in an RRset 1886 1.2.2.2 pgoyette * having the same TTL, as per RFC 2136, 1887 1.2.2.2 pgoyette * section 7.12. If a DLZ backend has 1888 1.2.2.2 pgoyette * different TTLs, then the best 1889 1.2.2.2 pgoyette * we can do is return the lowest. 1890 1.2.2.2 pgoyette */ 1891 1.2.2.2 pgoyette rdatalist->ttl = ttl; 1892 1.2.2.2 pgoyette } 1893 1.2.2.2 pgoyette 1894 1.2.2.2 pgoyette rdata = isc_mem_get(mctx, sizeof(dns_rdata_t)); 1895 1.2.2.2 pgoyette if (rdata == NULL) 1896 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 1897 1.2.2.2 pgoyette dns_rdata_init(rdata); 1898 1.2.2.2 pgoyette 1899 1.2.2.2 pgoyette if ((lookup->sdlz->dlzimp->flags & DNS_SDLZFLAG_RELATIVERDATA) != 0) 1900 1.2.2.2 pgoyette origin = &lookup->sdlz->common.origin; 1901 1.2.2.2 pgoyette else 1902 1.2.2.2 pgoyette origin = dns_rootname; 1903 1.2.2.2 pgoyette 1904 1.2.2.2 pgoyette lex = NULL; 1905 1.2.2.2 pgoyette result = isc_lex_create(mctx, 64, &lex); 1906 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1907 1.2.2.2 pgoyette goto failure; 1908 1.2.2.2 pgoyette 1909 1.2.2.2 pgoyette size = initial_size(data); 1910 1.2.2.2 pgoyette do { 1911 1.2.2.2 pgoyette isc_buffer_constinit(&b, data, strlen(data)); 1912 1.2.2.2 pgoyette isc_buffer_add(&b, strlen(data)); 1913 1.2.2.2 pgoyette 1914 1.2.2.2 pgoyette result = isc_lex_openbuffer(lex, &b); 1915 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1916 1.2.2.2 pgoyette goto failure; 1917 1.2.2.2 pgoyette 1918 1.2.2.2 pgoyette rdatabuf = NULL; 1919 1.2.2.2 pgoyette result = isc_buffer_allocate(mctx, &rdatabuf, size); 1920 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1921 1.2.2.2 pgoyette goto failure; 1922 1.2.2.2 pgoyette 1923 1.2.2.2 pgoyette result = dns_rdata_fromtext(rdata, rdatalist->rdclass, 1924 1.2.2.2 pgoyette rdatalist->type, lex, 1925 1.2.2.3 pgoyette origin, false, 1926 1.2.2.2 pgoyette mctx, rdatabuf, 1927 1.2.2.2 pgoyette &lookup->callbacks); 1928 1.2.2.3 pgoyette if (result != ISC_R_SUCCESS) { 1929 1.2.2.2 pgoyette isc_buffer_free(&rdatabuf); 1930 1.2.2.3 pgoyette result = DNS_R_SERVFAIL; 1931 1.2.2.3 pgoyette } 1932 1.2.2.2 pgoyette if (size >= 65535) 1933 1.2.2.2 pgoyette break; 1934 1.2.2.2 pgoyette size *= 2; 1935 1.2.2.2 pgoyette if (size >= 65535) 1936 1.2.2.2 pgoyette size = 65535; 1937 1.2.2.2 pgoyette } while (result == ISC_R_NOSPACE); 1938 1.2.2.2 pgoyette 1939 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1940 1.2.2.2 pgoyette goto failure; 1941 1.2.2.2 pgoyette 1942 1.2.2.2 pgoyette ISC_LIST_APPEND(rdatalist->rdata, rdata, link); 1943 1.2.2.2 pgoyette ISC_LIST_APPEND(lookup->buffers, rdatabuf, link); 1944 1.2.2.2 pgoyette 1945 1.2.2.2 pgoyette if (lex != NULL) 1946 1.2.2.2 pgoyette isc_lex_destroy(&lex); 1947 1.2.2.2 pgoyette 1948 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 1949 1.2.2.2 pgoyette 1950 1.2.2.2 pgoyette failure: 1951 1.2.2.2 pgoyette if (rdatabuf != NULL) 1952 1.2.2.2 pgoyette isc_buffer_free(&rdatabuf); 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 isc_mem_put(mctx, rdata, sizeof(dns_rdata_t)); 1956 1.2.2.2 pgoyette 1957 1.2.2.2 pgoyette return (result); 1958 1.2.2.2 pgoyette } 1959 1.2.2.2 pgoyette 1960 1.2.2.2 pgoyette isc_result_t 1961 1.2.2.2 pgoyette dns_sdlz_putnamedrr(dns_sdlzallnodes_t *allnodes, const char *name, 1962 1.2.2.2 pgoyette const char *type, dns_ttl_t ttl, const char *data) 1963 1.2.2.2 pgoyette { 1964 1.2.2.2 pgoyette dns_name_t *newname; 1965 1.2.2.2 pgoyette const dns_name_t *origin; 1966 1.2.2.2 pgoyette dns_fixedname_t fnewname; 1967 1.2.2.2 pgoyette dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)allnodes->common.db; 1968 1.2.2.2 pgoyette dns_sdlznode_t *sdlznode; 1969 1.2.2.2 pgoyette isc_mem_t *mctx = sdlz->common.mctx; 1970 1.2.2.2 pgoyette isc_buffer_t b; 1971 1.2.2.2 pgoyette isc_result_t result; 1972 1.2.2.2 pgoyette 1973 1.2.2.2 pgoyette newname = dns_fixedname_initname(&fnewname); 1974 1.2.2.2 pgoyette 1975 1.2.2.2 pgoyette if ((sdlz->dlzimp->flags & DNS_SDLZFLAG_RELATIVERDATA) != 0) 1976 1.2.2.2 pgoyette origin = &sdlz->common.origin; 1977 1.2.2.2 pgoyette else 1978 1.2.2.2 pgoyette origin = dns_rootname; 1979 1.2.2.2 pgoyette isc_buffer_constinit(&b, name, strlen(name)); 1980 1.2.2.2 pgoyette isc_buffer_add(&b, strlen(name)); 1981 1.2.2.2 pgoyette 1982 1.2.2.2 pgoyette result = dns_name_fromtext(newname, &b, origin, 0, NULL); 1983 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1984 1.2.2.2 pgoyette return (result); 1985 1.2.2.2 pgoyette 1986 1.2.2.2 pgoyette if (allnodes->common.relative_names) { 1987 1.2.2.2 pgoyette /* All names are relative to the root */ 1988 1.2.2.2 pgoyette unsigned int nlabels = dns_name_countlabels(newname); 1989 1.2.2.2 pgoyette dns_name_getlabelsequence(newname, 0, nlabels - 1, newname); 1990 1.2.2.2 pgoyette } 1991 1.2.2.2 pgoyette 1992 1.2.2.2 pgoyette sdlznode = ISC_LIST_HEAD(allnodes->nodelist); 1993 1.2.2.2 pgoyette if (sdlznode == NULL || !dns_name_equal(sdlznode->name, newname)) { 1994 1.2.2.2 pgoyette sdlznode = NULL; 1995 1.2.2.2 pgoyette result = createnode(sdlz, &sdlznode); 1996 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 1997 1.2.2.2 pgoyette return (result); 1998 1.2.2.2 pgoyette sdlznode->name = isc_mem_get(mctx, sizeof(dns_name_t)); 1999 1.2.2.2 pgoyette if (sdlznode->name == NULL) { 2000 1.2.2.2 pgoyette destroynode(sdlznode); 2001 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 2002 1.2.2.2 pgoyette } 2003 1.2.2.2 pgoyette dns_name_init(sdlznode->name, NULL); 2004 1.2.2.2 pgoyette result = dns_name_dup(newname, mctx, sdlznode->name); 2005 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) { 2006 1.2.2.2 pgoyette isc_mem_put(mctx, sdlznode->name, sizeof(dns_name_t)); 2007 1.2.2.2 pgoyette destroynode(sdlznode); 2008 1.2.2.2 pgoyette return (result); 2009 1.2.2.2 pgoyette } 2010 1.2.2.2 pgoyette ISC_LIST_PREPEND(allnodes->nodelist, sdlznode, link); 2011 1.2.2.2 pgoyette if (allnodes->origin == NULL && 2012 1.2.2.2 pgoyette dns_name_equal(newname, &sdlz->common.origin)) 2013 1.2.2.2 pgoyette allnodes->origin = sdlznode; 2014 1.2.2.2 pgoyette } 2015 1.2.2.2 pgoyette return (dns_sdlz_putrr(sdlznode, type, ttl, data)); 2016 1.2.2.2 pgoyette 2017 1.2.2.2 pgoyette } 2018 1.2.2.2 pgoyette 2019 1.2.2.2 pgoyette isc_result_t 2020 1.2.2.2 pgoyette dns_sdlz_putsoa(dns_sdlzlookup_t *lookup, const char *mname, const char *rname, 2021 1.2.2.3 pgoyette uint32_t serial) 2022 1.2.2.2 pgoyette { 2023 1.2.2.2 pgoyette char str[2 * DNS_NAME_MAXTEXT + 5 * (sizeof("2147483647")) + 7]; 2024 1.2.2.2 pgoyette int n; 2025 1.2.2.2 pgoyette 2026 1.2.2.2 pgoyette REQUIRE(mname != NULL); 2027 1.2.2.2 pgoyette REQUIRE(rname != NULL); 2028 1.2.2.2 pgoyette 2029 1.2.2.2 pgoyette n = snprintf(str, sizeof str, "%s %s %u %u %u %u %u", 2030 1.2.2.2 pgoyette mname, rname, serial, 2031 1.2.2.2 pgoyette SDLZ_DEFAULT_REFRESH, SDLZ_DEFAULT_RETRY, 2032 1.2.2.2 pgoyette SDLZ_DEFAULT_EXPIRE, SDLZ_DEFAULT_MINIMUM); 2033 1.2.2.2 pgoyette if (n >= (int)sizeof(str) || n < 0) 2034 1.2.2.2 pgoyette return (ISC_R_NOSPACE); 2035 1.2.2.2 pgoyette return (dns_sdlz_putrr(lookup, "SOA", SDLZ_DEFAULT_TTL, str)); 2036 1.2.2.2 pgoyette } 2037 1.2.2.2 pgoyette 2038 1.2.2.2 pgoyette isc_result_t 2039 1.2.2.2 pgoyette dns_sdlzregister(const char *drivername, const dns_sdlzmethods_t *methods, 2040 1.2.2.2 pgoyette void *driverarg, unsigned int flags, isc_mem_t *mctx, 2041 1.2.2.2 pgoyette dns_sdlzimplementation_t **sdlzimp) 2042 1.2.2.2 pgoyette { 2043 1.2.2.2 pgoyette 2044 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 2045 1.2.2.2 pgoyette isc_result_t result; 2046 1.2.2.2 pgoyette 2047 1.2.2.2 pgoyette /* 2048 1.2.2.2 pgoyette * Performs checks to make sure data is as we expect it to be. 2049 1.2.2.2 pgoyette */ 2050 1.2.2.2 pgoyette REQUIRE(drivername != NULL); 2051 1.2.2.2 pgoyette REQUIRE(methods != NULL); 2052 1.2.2.2 pgoyette REQUIRE(methods->findzone != NULL); 2053 1.2.2.2 pgoyette REQUIRE(methods->lookup != NULL); 2054 1.2.2.2 pgoyette REQUIRE(mctx != NULL); 2055 1.2.2.2 pgoyette REQUIRE(sdlzimp != NULL && *sdlzimp == NULL); 2056 1.2.2.2 pgoyette REQUIRE((flags & ~(DNS_SDLZFLAG_RELATIVEOWNER | 2057 1.2.2.2 pgoyette DNS_SDLZFLAG_RELATIVERDATA | 2058 1.2.2.2 pgoyette DNS_SDLZFLAG_THREADSAFE)) == 0); 2059 1.2.2.2 pgoyette 2060 1.2.2.2 pgoyette /* Write debugging message to log */ 2061 1.2.2.2 pgoyette sdlz_log(ISC_LOG_DEBUG(2), "Registering SDLZ driver '%s'", drivername); 2062 1.2.2.2 pgoyette 2063 1.2.2.2 pgoyette /* 2064 1.2.2.2 pgoyette * Allocate memory for a sdlz_implementation object. Error if 2065 1.2.2.2 pgoyette * we cannot. 2066 1.2.2.2 pgoyette */ 2067 1.2.2.2 pgoyette imp = isc_mem_get(mctx, sizeof(dns_sdlzimplementation_t)); 2068 1.2.2.2 pgoyette if (imp == NULL) 2069 1.2.2.2 pgoyette return (ISC_R_NOMEMORY); 2070 1.2.2.2 pgoyette 2071 1.2.2.2 pgoyette /* Make sure memory region is set to all 0's */ 2072 1.2.2.2 pgoyette memset(imp, 0, sizeof(dns_sdlzimplementation_t)); 2073 1.2.2.2 pgoyette 2074 1.2.2.2 pgoyette /* Store the data passed into this method */ 2075 1.2.2.2 pgoyette imp->methods = methods; 2076 1.2.2.2 pgoyette imp->driverarg = driverarg; 2077 1.2.2.2 pgoyette imp->flags = flags; 2078 1.2.2.2 pgoyette imp->mctx = NULL; 2079 1.2.2.2 pgoyette 2080 1.2.2.2 pgoyette /* attach the new sdlz_implementation object to a memory context */ 2081 1.2.2.2 pgoyette isc_mem_attach(mctx, &imp->mctx); 2082 1.2.2.2 pgoyette 2083 1.2.2.2 pgoyette /* 2084 1.2.2.2 pgoyette * initialize the driver lock, error if we cannot 2085 1.2.2.2 pgoyette * (used if a driver does not support multiple threads) 2086 1.2.2.2 pgoyette */ 2087 1.2.2.3 pgoyette isc_mutex_init(&imp->driverlock); 2088 1.2.2.2 pgoyette 2089 1.2.2.2 pgoyette imp->dlz_imp = NULL; 2090 1.2.2.2 pgoyette 2091 1.2.2.2 pgoyette /* 2092 1.2.2.2 pgoyette * register the DLZ driver. Pass in our "extra" sdlz information as 2093 1.2.2.2 pgoyette * a driverarg. (that's why we stored the passed in driver arg in our 2094 1.2.2.2 pgoyette * sdlz_implementation structure) Also, store the dlz_implementation 2095 1.2.2.2 pgoyette * structure in our sdlz_implementation. 2096 1.2.2.2 pgoyette */ 2097 1.2.2.2 pgoyette result = dns_dlzregister(drivername, &sdlzmethods, imp, mctx, 2098 1.2.2.2 pgoyette &imp->dlz_imp); 2099 1.2.2.2 pgoyette 2100 1.2.2.2 pgoyette /* if registration fails, cleanup and get outta here. */ 2101 1.2.2.2 pgoyette if (result != ISC_R_SUCCESS) 2102 1.2.2.2 pgoyette goto cleanup_mutex; 2103 1.2.2.2 pgoyette 2104 1.2.2.2 pgoyette *sdlzimp = imp; 2105 1.2.2.2 pgoyette 2106 1.2.2.2 pgoyette return (ISC_R_SUCCESS); 2107 1.2.2.2 pgoyette 2108 1.2.2.2 pgoyette cleanup_mutex: 2109 1.2.2.2 pgoyette /* destroy the driver lock, we don't need it anymore */ 2110 1.2.2.3 pgoyette isc_mutex_destroy(&imp->driverlock); 2111 1.2.2.2 pgoyette 2112 1.2.2.2 pgoyette /* 2113 1.2.2.2 pgoyette * return the memory back to the available memory pool and 2114 1.2.2.2 pgoyette * remove it from the memory context. 2115 1.2.2.2 pgoyette */ 2116 1.2.2.2 pgoyette isc_mem_put(mctx, imp, sizeof(dns_sdlzimplementation_t)); 2117 1.2.2.2 pgoyette isc_mem_detach(&mctx); 2118 1.2.2.2 pgoyette return (result); 2119 1.2.2.2 pgoyette } 2120 1.2.2.2 pgoyette 2121 1.2.2.2 pgoyette void 2122 1.2.2.2 pgoyette dns_sdlzunregister(dns_sdlzimplementation_t **sdlzimp) { 2123 1.2.2.2 pgoyette dns_sdlzimplementation_t *imp; 2124 1.2.2.2 pgoyette isc_mem_t *mctx; 2125 1.2.2.2 pgoyette 2126 1.2.2.2 pgoyette /* Write debugging message to log */ 2127 1.2.2.2 pgoyette sdlz_log(ISC_LOG_DEBUG(2), "Unregistering SDLZ driver."); 2128 1.2.2.2 pgoyette 2129 1.2.2.2 pgoyette /* 2130 1.2.2.2 pgoyette * Performs checks to make sure data is as we expect it to be. 2131 1.2.2.2 pgoyette */ 2132 1.2.2.2 pgoyette REQUIRE(sdlzimp != NULL && *sdlzimp != NULL); 2133 1.2.2.2 pgoyette 2134 1.2.2.2 pgoyette imp = *sdlzimp; 2135 1.2.2.2 pgoyette 2136 1.2.2.2 pgoyette /* Unregister the DLZ driver implementation */ 2137 1.2.2.2 pgoyette dns_dlzunregister(&imp->dlz_imp); 2138 1.2.2.2 pgoyette 2139 1.2.2.2 pgoyette /* destroy the driver lock, we don't need it anymore */ 2140 1.2.2.3 pgoyette isc_mutex_destroy(&imp->driverlock); 2141 1.2.2.2 pgoyette 2142 1.2.2.2 pgoyette mctx = imp->mctx; 2143 1.2.2.2 pgoyette 2144 1.2.2.2 pgoyette /* 2145 1.2.2.2 pgoyette * return the memory back to the available memory pool and 2146 1.2.2.2 pgoyette * remove it from the memory context. 2147 1.2.2.2 pgoyette */ 2148 1.2.2.2 pgoyette isc_mem_put(mctx, imp, sizeof(dns_sdlzimplementation_t)); 2149 1.2.2.2 pgoyette isc_mem_detach(&mctx); 2150 1.2.2.2 pgoyette 2151 1.2.2.2 pgoyette *sdlzimp = NULL; 2152 1.2.2.2 pgoyette } 2153 1.2.2.2 pgoyette 2154 1.2.2.2 pgoyette 2155 1.2.2.2 pgoyette isc_result_t 2156 1.2.2.2 pgoyette dns_sdlz_setdb(dns_dlzdb_t *dlzdatabase, dns_rdataclass_t rdclass, 2157 1.2.2.2 pgoyette const dns_name_t *name, dns_db_t **dbp) 2158 1.2.2.2 pgoyette { 2159 1.2.2.2 pgoyette isc_result_t result; 2160 1.2.2.2 pgoyette 2161 1.2.2.2 pgoyette result = dns_sdlzcreateDBP(dlzdatabase->mctx, 2162 1.2.2.2 pgoyette dlzdatabase->implementation->driverarg, 2163 1.2.2.2 pgoyette dlzdatabase->dbdata, name, rdclass, dbp); 2164 1.2.2.2 pgoyette return (result); 2165 1.2.2.2 pgoyette } 2166
Indexes created Tue Apr 28 00:22:25 UTC 2026