contrib/bind9/bin/check/named-checkzone.c

   1 /*
   2  * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1999-2003  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  15  * PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /* $Id: named-checkzone.c,v 1.61.62.2 2011/12/22 23:45:54 tbox Exp $ */
  19
  20 /*! \file */
  21
  22 #include <config.h>
  23
  24 #include <stdlib.h>
  25
  26 #include <isc/app.h>
  27 #include <isc/commandline.h>
  28 #include <isc/dir.h>
  29 #include <isc/entropy.h>
  30 #include <isc/hash.h>
  31 #include <isc/log.h>
  32 #include <isc/mem.h>
  33 #include <isc/socket.h>
  34 #include <isc/string.h>
  35 #include <isc/task.h>
  36 #include <isc/timer.h>
  37 #include <isc/util.h>
  38
  39 #include <dns/db.h>
  40 #include <dns/fixedname.h>
  41 #include <dns/log.h>
  42 #include <dns/masterdump.h>
  43 #include <dns/name.h>
  44 #include <dns/rdataclass.h>
  45 #include <dns/rdataset.h>
  46 #include <dns/result.h>
  47 #include <dns/types.h>
  48 #include <dns/zone.h>
  49
  50 #include "check-tool.h"
  51
  52 static int quiet = 0;
  53 static isc_mem_t *mctx = NULL;
  54 static isc_entropy_t *ectx = NULL;
  55 dns_zone_t *zone = NULL;
  56 dns_zonetype_t zonetype = dns_zone_master;
  57 static int dumpzone = 0;
  58 static const char *output_filename;
  59 static char *prog_name = NULL;
  60 static const dns_master_style_t *outputstyle = NULL;
  61 static enum { progmode_check, progmode_compile } progmode;
  62
  63 #define ERRRET(result, function) \
  64         do { \
  65                 if (result != ISC_R_SUCCESS) { \
  66                         if (!quiet) \
  67                                 fprintf(stderr, "%s() returned %s\n", \
  68                                         function, dns_result_totext(result)); \
  69                         return (result); \
  70                 } \
  71         } while (0)
  72
  73 ISC_PLATFORM_NORETURN_PRE static void
  74 usage(void) ISC_PLATFORM_NORETURN_POST;
  75
  76 static void
  77 usage(void) {
  78         fprintf(stderr,
  79                 "usage: %s [-djqvD] [-c class] "
  80                 "[-f inputformat] [-F outputformat] "
  81                 "[-t directory] [-w directory] [-k (ignore|warn|fail)] "
  82                 "[-n (ignore|warn|fail)] [-m (ignore|warn|fail)] "
  83                 "[-r (ignore|warn|fail)] "
  84                 "[-i (full|full-sibling|local|local-sibling|none)] "
  85                 "[-M (ignore|warn|fail)] [-S (ignore|warn|fail)] "
  86                 "[-W (ignore|warn)] "
  87                 "%s zonename filename\n",
  88                 prog_name,
  89                 progmode == progmode_check ? "[-o filename]" : "-o filename");
  90         exit(1);
  91 }
  92
  93 static void
  94 destroy(void) {
  95         if (zone != NULL)
  96                 dns_zone_detach(&zone);
  97         dns_name_destroy();
  98 }
  99
 100 /*% main processing routine */
 101 int
 102 main(int argc, char **argv) {
 103         int c;
 104         char *origin = NULL;
 105         char *filename = NULL;
 106         isc_log_t *lctx = NULL;
 107         isc_result_t result;
 108         char classname_in[] = "IN";
 109         char *classname = classname_in;
 110         const char *workdir = NULL;
 111         const char *inputformatstr = NULL;
 112         const char *outputformatstr = NULL;
 113         dns_masterformat_t inputformat = dns_masterformat_text;
 114         dns_masterformat_t outputformat = dns_masterformat_text;
 115         isc_boolean_t logdump = ISC_FALSE;
 116         FILE *errout = stdout;
 117
 118         outputstyle = &dns_master_style_full;
 119
 120         prog_name = strrchr(argv[0], '/');
 121         if (prog_name == NULL)
 122                 prog_name = strrchr(argv[0], '\\');
 123         if (prog_name != NULL)
 124                 prog_name++;
 125         else
 126                 prog_name = argv[0];
 127         /*
 128          * Libtool doesn't preserve the program name prior to final
 129          * installation.  Remove the libtool prefix ("lt-").
 130          */
 131         if (strncmp(prog_name, "lt-", 3) == 0)
 132                 prog_name += 3;
 133
 134 #define PROGCMP(X) \
 135         (strcasecmp(prog_name, X) == 0 || strcasecmp(prog_name, X ".exe") == 0)
 136
 137         if (PROGCMP("named-checkzone"))
 138                 progmode = progmode_check;
 139         else if (PROGCMP("named-compilezone"))
 140                 progmode = progmode_compile;
 141         else
 142                 INSIST(0);
 143
 144         /* Compilation specific defaults */
 145         if (progmode == progmode_compile) {
 146                 zone_options |= (DNS_ZONEOPT_CHECKNS |
 147                                  DNS_ZONEOPT_FATALNS |
 148                                  DNS_ZONEOPT_CHECKDUPRR |
 149                                  DNS_ZONEOPT_CHECKNAMES |
 150                                  DNS_ZONEOPT_CHECKNAMESFAIL |
 151                                  DNS_ZONEOPT_CHECKWILDCARD);
 152         } else
 153                 zone_options |= DNS_ZONEOPT_CHECKDUPRR;
 154
 155 #define ARGCMP(X) (strcmp(isc_commandline_argument, X) == 0)
 156
 157         isc_commandline_errprint = ISC_FALSE;
 158
 159         while ((c = isc_commandline_parse(argc, argv,
 160                                        "c:df:hi:jk:m:n:qr:s:t:o:vw:DF:M:S:W:"))
 161                != EOF) {
 162                 switch (c) {
 163                 case 'c':
 164                         classname = isc_commandline_argument;
 165                         break;
 166
 167                 case 'd':
 168                         debug++;
 169                         break;
 170
 171                 case 'i':
 172                         if (ARGCMP("full")) {
 173                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY |
 174                                                 DNS_ZONEOPT_CHECKSIBLING;
 175                                 docheckmx = ISC_TRUE;
 176                                 docheckns = ISC_TRUE;
 177                                 dochecksrv = ISC_TRUE;
 178                         } else if (ARGCMP("full-sibling")) {
 179                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
 180                                 zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
 181                                 docheckmx = ISC_TRUE;
 182                                 docheckns = ISC_TRUE;
 183                                 dochecksrv = ISC_TRUE;
 184                         } else if (ARGCMP("local")) {
 185                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
 186                                 zone_options |= DNS_ZONEOPT_CHECKSIBLING;
 187                                 docheckmx = ISC_FALSE;
 188                                 docheckns = ISC_FALSE;
 189                                 dochecksrv = ISC_FALSE;
 190                         } else if (ARGCMP("local-sibling")) {
 191                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
 192                                 zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
 193                                 docheckmx = ISC_FALSE;
 194                                 docheckns = ISC_FALSE;
 195                                 dochecksrv = ISC_FALSE;
 196                         } else if (ARGCMP("none")) {
 197                                 zone_options &= ~DNS_ZONEOPT_CHECKINTEGRITY;
 198                                 zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
 199                                 docheckmx = ISC_FALSE;
 200                                 docheckns = ISC_FALSE;
 201                                 dochecksrv = ISC_FALSE;
 202                         } else {
 203                                 fprintf(stderr, "invalid argument to -i: %s\n",
 204                                         isc_commandline_argument);
 205                                 exit(1);
 206                         }
 207                         break;
 208
 209                 case 'f':
 210                         inputformatstr = isc_commandline_argument;
 211                         break;
 212
 213                 case 'F':
 214                         outputformatstr = isc_commandline_argument;
 215                         break;
 216
 217                 case 'j':
 218                         nomerge = ISC_FALSE;
 219                         break;
 220
 221                 case 'k':
 222                         if (ARGCMP("warn")) {
 223                                 zone_options |= DNS_ZONEOPT_CHECKNAMES;
 224                                 zone_options &= ~DNS_ZONEOPT_CHECKNAMESFAIL;
 225                         } else if (ARGCMP("fail")) {
 226                                 zone_options |= DNS_ZONEOPT_CHECKNAMES |
 227                                                 DNS_ZONEOPT_CHECKNAMESFAIL;
 228                         } else if (ARGCMP("ignore")) {
 229                                 zone_options &= ~(DNS_ZONEOPT_CHECKNAMES |
 230                                                   DNS_ZONEOPT_CHECKNAMESFAIL);
 231                         } else {
 232                                 fprintf(stderr, "invalid argument to -k: %s\n",
 233                                         isc_commandline_argument);
 234                                 exit(1);
 235                         }
 236                         break;
 237
 238                 case 'n':
 239                         if (ARGCMP("ignore")) {
 240                                 zone_options &= ~(DNS_ZONEOPT_CHECKNS|
 241                                                   DNS_ZONEOPT_FATALNS);
 242                         } else if (ARGCMP("warn")) {
 243                                 zone_options |= DNS_ZONEOPT_CHECKNS;
 244                                 zone_options &= ~DNS_ZONEOPT_FATALNS;
 245                         } else if (ARGCMP("fail")) {
 246                                 zone_options |= DNS_ZONEOPT_CHECKNS|
 247                                                 DNS_ZONEOPT_FATALNS;
 248                         } else {
 249                                 fprintf(stderr, "invalid argument to -n: %s\n",
 250                                         isc_commandline_argument);
 251                                 exit(1);
 252                         }
 253                         break;
 254
 255                 case 'm':
 256                         if (ARGCMP("warn")) {
 257                                 zone_options |= DNS_ZONEOPT_CHECKMX;
 258                                 zone_options &= ~DNS_ZONEOPT_CHECKMXFAIL;
 259                         } else if (ARGCMP("fail")) {
 260                                 zone_options |= DNS_ZONEOPT_CHECKMX |
 261                                                 DNS_ZONEOPT_CHECKMXFAIL;
 262                         } else if (ARGCMP("ignore")) {
 263                                 zone_options &= ~(DNS_ZONEOPT_CHECKMX |
 264                                                   DNS_ZONEOPT_CHECKMXFAIL);
 265                         } else {
 266                                 fprintf(stderr, "invalid argument to -m: %s\n",
 267                                         isc_commandline_argument);
 268                                 exit(1);
 269                         }
 270                         break;
 271
 272                 case 'o':
 273                         output_filename = isc_commandline_argument;
 274                         break;
 275
 276                 case 'q':
 277                         quiet++;
 278                         break;
 279
 280                 case 'r':
 281                         if (ARGCMP("warn")) {
 282                                 zone_options |= DNS_ZONEOPT_CHECKDUPRR;
 283                                 zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL;
 284                         } else if (ARGCMP("fail")) {
 285                                 zone_options |= DNS_ZONEOPT_CHECKDUPRR |
 286                                                 DNS_ZONEOPT_CHECKDUPRRFAIL;
 287                         } else if (ARGCMP("ignore")) {
 288                                 zone_options &= ~(DNS_ZONEOPT_CHECKDUPRR |
 289                                                   DNS_ZONEOPT_CHECKDUPRRFAIL);
 290                         } else {
 291                                 fprintf(stderr, "invalid argument to -r: %s\n",
 292                                         isc_commandline_argument);
 293                                 exit(1);
 294                         }
 295                         break;
 296
 297                 case 's':
 298                         if (ARGCMP("full"))
 299                                 outputstyle = &dns_master_style_full;
 300                         else if (ARGCMP("relative")) {
 301                                 outputstyle = &dns_master_style_default;
 302                         } else {
 303                                 fprintf(stderr,
 304                                         "unknown or unsupported style: %s\n",
 305                                         isc_commandline_argument);
 306                                 exit(1);
 307                         }
 308                         break;
 309
 310                 case 't':
 311                         result = isc_dir_chroot(isc_commandline_argument);
 312                         if (result != ISC_R_SUCCESS) {
 313                                 fprintf(stderr, "isc_dir_chroot: %s: %s\n",
 314                                         isc_commandline_argument,
 315                                         isc_result_totext(result));
 316                                 exit(1);
 317                         }
 318                         break;
 319
 320                 case 'v':
 321                         printf(VERSION "\n");
 322                         exit(0);
 323
 324                 case 'w':
 325                         workdir = isc_commandline_argument;
 326                         break;
 327
 328                 case 'D':
 329                         dumpzone++;
 330                         break;
 331
 332                 case 'M':
 333                         if (ARGCMP("fail")) {
 334                                 zone_options &= ~DNS_ZONEOPT_WARNMXCNAME;
 335                                 zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
 336                         } else if (ARGCMP("warn")) {
 337                                 zone_options |= DNS_ZONEOPT_WARNMXCNAME;
 338                                 zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
 339                         } else if (ARGCMP("ignore")) {
 340                                 zone_options |= DNS_ZONEOPT_WARNMXCNAME;
 341                                 zone_options |= DNS_ZONEOPT_IGNOREMXCNAME;
 342                         } else {
 343                                 fprintf(stderr, "invalid argument to -M: %s\n",
 344                                         isc_commandline_argument);
 345                                 exit(1);
 346                         }
 347                         break;
 348
 349                 case 'S':
 350                         if (ARGCMP("fail")) {
 351                                 zone_options &= ~DNS_ZONEOPT_WARNSRVCNAME;
 352                                 zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
 353                         } else if (ARGCMP("warn")) {
 354                                 zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
 355                                 zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
 356                         } else if (ARGCMP("ignore")) {
 357                                 zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
 358                                 zone_options |= DNS_ZONEOPT_IGNORESRVCNAME;
 359                         } else {
 360                                 fprintf(stderr, "invalid argument to -S: %s\n",
 361                                         isc_commandline_argument);
 362                                 exit(1);
 363                         }
 364                         break;
 365
 366                 case 'W':
 367                         if (ARGCMP("warn"))
 368                                 zone_options |= DNS_ZONEOPT_CHECKWILDCARD;
 369                         else if (ARGCMP("ignore"))
 370                                 zone_options &= ~DNS_ZONEOPT_CHECKWILDCARD;
 371                         break;
 372
 373                 case '?':
 374                         if (isc_commandline_option != '?')
 375                                 fprintf(stderr, "%s: invalid argument -%c\n",
 376                                         prog_name, isc_commandline_option);
 377                 case 'h':
 378                         usage();
 379
 380                 default:
 381                         fprintf(stderr, "%s: unhandled option -%c\n",
 382                                 prog_name, isc_commandline_option);
 383                         exit(1);
 384                 }
 385         }
 386
 387         if (workdir != NULL) {
 388                 result = isc_dir_chdir(workdir);
 389                 if (result != ISC_R_SUCCESS) {
 390                         fprintf(stderr, "isc_dir_chdir: %s: %s\n",
 391                                 workdir, isc_result_totext(result));
 392                         exit(1);
 393                 }
 394         }
 395
 396         if (inputformatstr != NULL) {
 397                 if (strcasecmp(inputformatstr, "text") == 0)
 398                         inputformat = dns_masterformat_text;
 399                 else if (strcasecmp(inputformatstr, "raw") == 0)
 400                         inputformat = dns_masterformat_raw;
 401                 else {
 402                         fprintf(stderr, "unknown file format: %s\n",
 403                             inputformatstr);
 404                         exit(1);
 405                 }
 406         }
 407
 408         if (outputformatstr != NULL) {
 409                 if (strcasecmp(outputformatstr, "text") == 0)
 410                         outputformat = dns_masterformat_text;
 411                 else if (strcasecmp(outputformatstr, "raw") == 0)
 412                         outputformat = dns_masterformat_raw;
 413                 else {
 414                         fprintf(stderr, "unknown file format: %s\n",
 415                                 outputformatstr);
 416                         exit(1);
 417                 }
 418         }
 419
 420         if (progmode == progmode_compile) {
 421                 dumpzone = 1;   /* always dump */
 422                 logdump = !quiet;
 423                 if (output_filename == NULL) {
 424                         fprintf(stderr,
 425                                 "output file required, but not specified\n");
 426                         usage();
 427                 }
 428         }
 429
 430         if (output_filename != NULL)
 431                 dumpzone = 1;
 432
 433         /*
 434          * If we are outputing to stdout then send the informational
 435          * output to stderr.
 436          */
 437         if (dumpzone &&
 438             (output_filename == NULL ||
 439              strcmp(output_filename, "-") == 0 ||
 440              strcmp(output_filename, "/dev/fd/1") == 0 ||
 441              strcmp(output_filename, "/dev/stdout") == 0)) {
 442                 errout = stderr;
 443                 logdump = ISC_FALSE;
 444         }
 445
 446         if (isc_commandline_index + 2 != argc)
 447                 usage();
 448
 449 #ifdef _WIN32
 450         InitSockets();
 451 #endif
 452
 453         RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
 454         if (!quiet)
 455                 RUNTIME_CHECK(setup_logging(mctx, errout, &lctx)
 456                               == ISC_R_SUCCESS);
 457         RUNTIME_CHECK(isc_entropy_create(mctx, &ectx) == ISC_R_SUCCESS);
 458         RUNTIME_CHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE)
 459                       == ISC_R_SUCCESS);
 460
 461         dns_result_register();
 462
 463         origin = argv[isc_commandline_index++];
 464         filename = argv[isc_commandline_index++];
 465         result = load_zone(mctx, origin, filename, inputformat, classname,
 466                            &zone);
 467
 468         if (result == ISC_R_SUCCESS && dumpzone) {
 469                 if (logdump) {
 470                         fprintf(errout, "dump zone to %s...", output_filename);
 471                         fflush(errout);
 472                 }
 473                 result = dump_zone(origin, zone, output_filename,
 474                                    outputformat, outputstyle);
 475                 if (logdump)
 476                         fprintf(errout, "done\n");
 477         }
 478
 479         if (!quiet && result == ISC_R_SUCCESS)
 480                 fprintf(errout, "OK\n");
 481         destroy();
 482         if (lctx != NULL)
 483                 isc_log_destroy(&lctx);
 484         isc_hash_destroy();
 485         isc_entropy_detach(&ectx);
 486         isc_mem_destroy(&mctx);
 487 #ifdef _WIN32
 488         DestroySockets();
 489 #endif
 490         return ((result == ISC_R_SUCCESS) ? 0 : 1);
 491 }