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

   1 /*
   2  * Copyright (C) 2004-2010  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 2010-09-07 23:46:59 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         FILE *errout = stdout;
 116
 117         outputstyle = &dns_master_style_full;
 118
 119         prog_name = strrchr(argv[0], '/');
 120         if (prog_name == NULL)
 121                 prog_name = strrchr(argv[0], '\\');
 122         if (prog_name != NULL)
 123                 prog_name++;
 124         else
 125                 prog_name = argv[0];
 126         /*
 127          * Libtool doesn't preserve the program name prior to final
 128          * installation.  Remove the libtool prefix ("lt-").
 129          */
 130         if (strncmp(prog_name, "lt-", 3) == 0)
 131                 prog_name += 3;
 132
 133 #define PROGCMP(X) \
 134         (strcasecmp(prog_name, X) == 0 || strcasecmp(prog_name, X ".exe") == 0)
 135
 136         if (PROGCMP("named-checkzone"))
 137                 progmode = progmode_check;
 138         else if (PROGCMP("named-compilezone"))
 139                 progmode = progmode_compile;
 140         else
 141                 INSIST(0);
 142
 143         /* Compilation specific defaults */
 144         if (progmode == progmode_compile) {
 145                 zone_options |= (DNS_ZONEOPT_CHECKNS |
 146                                  DNS_ZONEOPT_FATALNS |
 147                                  DNS_ZONEOPT_CHECKDUPRR |
 148                                  DNS_ZONEOPT_CHECKNAMES |
 149                                  DNS_ZONEOPT_CHECKNAMESFAIL |
 150                                  DNS_ZONEOPT_CHECKWILDCARD);
 151         } else
 152                 zone_options |= DNS_ZONEOPT_CHECKDUPRR;
 153
 154 #define ARGCMP(X) (strcmp(isc_commandline_argument, X) == 0)
 155
 156         isc_commandline_errprint = ISC_FALSE;
 157
 158         while ((c = isc_commandline_parse(argc, argv,
 159                                        "c:df:hi:jk:m:n:qr:s:t:o:vw:DF:M:S:W:"))
 160                != EOF) {
 161                 switch (c) {
 162                 case 'c':
 163                         classname = isc_commandline_argument;
 164                         break;
 165
 166                 case 'd':
 167                         debug++;
 168                         break;
 169
 170                 case 'i':
 171                         if (ARGCMP("full")) {
 172                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY |
 173                                                 DNS_ZONEOPT_CHECKSIBLING;
 174                                 docheckmx = ISC_TRUE;
 175                                 docheckns = ISC_TRUE;
 176                                 dochecksrv = ISC_TRUE;
 177                         } else if (ARGCMP("full-sibling")) {
 178                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
 179                                 zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
 180                                 docheckmx = ISC_TRUE;
 181                                 docheckns = ISC_TRUE;
 182                                 dochecksrv = ISC_TRUE;
 183                         } else if (ARGCMP("local")) {
 184                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
 185                                 zone_options |= DNS_ZONEOPT_CHECKSIBLING;
 186                                 docheckmx = ISC_FALSE;
 187                                 docheckns = ISC_FALSE;
 188                                 dochecksrv = ISC_FALSE;
 189                         } else if (ARGCMP("local-sibling")) {
 190                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
 191                                 zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
 192                                 docheckmx = ISC_FALSE;
 193                                 docheckns = ISC_FALSE;
 194                                 dochecksrv = ISC_FALSE;
 195                         } else if (ARGCMP("none")) {
 196                                 zone_options &= ~DNS_ZONEOPT_CHECKINTEGRITY;
 197                                 zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
 198                                 docheckmx = ISC_FALSE;
 199                                 docheckns = ISC_FALSE;
 200                                 dochecksrv = ISC_FALSE;
 201                         } else {
 202                                 fprintf(stderr, "invalid argument to -i: %s\n",
 203                                         isc_commandline_argument);
 204                                 exit(1);
 205                         }
 206                         break;
 207
 208                 case 'f':
 209                         inputformatstr = isc_commandline_argument;
 210                         break;
 211
 212                 case 'F':
 213                         outputformatstr = isc_commandline_argument;
 214                         break;
 215
 216                 case 'j':
 217                         nomerge = ISC_FALSE;
 218                         break;
 219
 220                 case 'k':
 221                         if (ARGCMP("warn")) {
 222                                 zone_options |= DNS_ZONEOPT_CHECKNAMES;
 223                                 zone_options &= ~DNS_ZONEOPT_CHECKNAMESFAIL;
 224                         } else if (ARGCMP("fail")) {
 225                                 zone_options |= DNS_ZONEOPT_CHECKNAMES |
 226                                                 DNS_ZONEOPT_CHECKNAMESFAIL;
 227                         } else if (ARGCMP("ignore")) {
 228                                 zone_options &= ~(DNS_ZONEOPT_CHECKNAMES |
 229                                                   DNS_ZONEOPT_CHECKNAMESFAIL);
 230                         } else {
 231                                 fprintf(stderr, "invalid argument to -k: %s\n",
 232                                         isc_commandline_argument);
 233                                 exit(1);
 234                         }
 235                         break;
 236
 237                 case 'n':
 238                         if (ARGCMP("ignore")) {
 239                                 zone_options &= ~(DNS_ZONEOPT_CHECKNS|
 240                                                   DNS_ZONEOPT_FATALNS);
 241                         } else if (ARGCMP("warn")) {
 242                                 zone_options |= DNS_ZONEOPT_CHECKNS;
 243                                 zone_options &= ~DNS_ZONEOPT_FATALNS;
 244                         } else if (ARGCMP("fail")) {
 245                                 zone_options |= DNS_ZONEOPT_CHECKNS|
 246                                                 DNS_ZONEOPT_FATALNS;
 247                         } else {
 248                                 fprintf(stderr, "invalid argument to -n: %s\n",
 249                                         isc_commandline_argument);
 250                                 exit(1);
 251                         }
 252                         break;
 253
 254                 case 'm':
 255                         if (ARGCMP("warn")) {
 256                                 zone_options |= DNS_ZONEOPT_CHECKMX;
 257                                 zone_options &= ~DNS_ZONEOPT_CHECKMXFAIL;
 258                         } else if (ARGCMP("fail")) {
 259                                 zone_options |= DNS_ZONEOPT_CHECKMX |
 260                                                 DNS_ZONEOPT_CHECKMXFAIL;
 261                         } else if (ARGCMP("ignore")) {
 262                                 zone_options &= ~(DNS_ZONEOPT_CHECKMX |
 263                                                   DNS_ZONEOPT_CHECKMXFAIL);
 264                         } else {
 265                                 fprintf(stderr, "invalid argument to -m: %s\n",
 266                                         isc_commandline_argument);
 267                                 exit(1);
 268                         }
 269                         break;
 270
 271                 case 'o':
 272                         output_filename = isc_commandline_argument;
 273                         break;
 274
 275                 case 'q':
 276                         quiet++;
 277                         break;
 278
 279                 case 'r':
 280                         if (ARGCMP("warn")) {
 281                                 zone_options |= DNS_ZONEOPT_CHECKDUPRR;
 282                                 zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL;
 283                         } else if (ARGCMP("fail")) {
 284                                 zone_options |= DNS_ZONEOPT_CHECKDUPRR |
 285                                                 DNS_ZONEOPT_CHECKDUPRRFAIL;
 286                         } else if (ARGCMP("ignore")) {
 287                                 zone_options &= ~(DNS_ZONEOPT_CHECKDUPRR |
 288                                                   DNS_ZONEOPT_CHECKDUPRRFAIL);
 289                         } else {
 290                                 fprintf(stderr, "invalid argument to -r: %s\n",
 291                                         isc_commandline_argument);
 292                                 exit(1);
 293                         }
 294                         break;
 295
 296                 case 's':
 297                         if (ARGCMP("full"))
 298                                 outputstyle = &dns_master_style_full;
 299                         else if (ARGCMP("relative")) {
 300                                 outputstyle = &dns_master_style_default;
 301                         } else {
 302                                 fprintf(stderr,
 303                                         "unknown or unsupported style: %s\n",
 304                                         isc_commandline_argument);
 305                                 exit(1);
 306                         }
 307                         break;
 308
 309                 case 't':
 310                         result = isc_dir_chroot(isc_commandline_argument);
 311                         if (result != ISC_R_SUCCESS) {
 312                                 fprintf(stderr, "isc_dir_chroot: %s: %s\n",
 313                                         isc_commandline_argument,
 314                                         isc_result_totext(result));
 315                                 exit(1);
 316                         }
 317                         break;
 318
 319                 case 'v':
 320                         printf(VERSION "\n");
 321                         exit(0);
 322
 323                 case 'w':
 324                         workdir = isc_commandline_argument;
 325                         break;
 326
 327                 case 'D':
 328                         dumpzone++;
 329                         break;
 330
 331                 case 'M':
 332                         if (ARGCMP("fail")) {
 333                                 zone_options &= ~DNS_ZONEOPT_WARNMXCNAME;
 334                                 zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
 335                         } else if (ARGCMP("warn")) {
 336                                 zone_options |= DNS_ZONEOPT_WARNMXCNAME;
 337                                 zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
 338                         } else if (ARGCMP("ignore")) {
 339                                 zone_options |= DNS_ZONEOPT_WARNMXCNAME;
 340                                 zone_options |= DNS_ZONEOPT_IGNOREMXCNAME;
 341                         } else {
 342                                 fprintf(stderr, "invalid argument to -M: %s\n",
 343                                         isc_commandline_argument);
 344                                 exit(1);
 345                         }
 346                         break;
 347
 348                 case 'S':
 349                         if (ARGCMP("fail")) {
 350                                 zone_options &= ~DNS_ZONEOPT_WARNSRVCNAME;
 351                                 zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
 352                         } else if (ARGCMP("warn")) {
 353                                 zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
 354                                 zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
 355                         } else if (ARGCMP("ignore")) {
 356                                 zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
 357                                 zone_options |= DNS_ZONEOPT_IGNORESRVCNAME;
 358                         } else {
 359                                 fprintf(stderr, "invalid argument to -S: %s\n",
 360                                         isc_commandline_argument);
 361                                 exit(1);
 362                         }
 363                         break;
 364
 365                 case 'W':
 366                         if (ARGCMP("warn"))
 367                                 zone_options |= DNS_ZONEOPT_CHECKWILDCARD;
 368                         else if (ARGCMP("ignore"))
 369                                 zone_options &= ~DNS_ZONEOPT_CHECKWILDCARD;
 370                         break;
 371
 372                 case '?':
 373                         if (isc_commandline_option != '?')
 374                                 fprintf(stderr, "%s: invalid argument -%c\n",
 375                                         prog_name, isc_commandline_option);
 376                 case 'h':
 377                         usage();
 378
 379                 default:
 380                         fprintf(stderr, "%s: unhandled option -%c\n",
 381                                 prog_name, isc_commandline_option);
 382                         exit(1);
 383                 }
 384         }
 385
 386         if (workdir != NULL) {
 387                 result = isc_dir_chdir(workdir);
 388                 if (result != ISC_R_SUCCESS) {
 389                         fprintf(stderr, "isc_dir_chdir: %s: %s\n",
 390                                 workdir, isc_result_totext(result));
 391                         exit(1);
 392                 }
 393         }
 394
 395         if (inputformatstr != NULL) {
 396                 if (strcasecmp(inputformatstr, "text") == 0)
 397                         inputformat = dns_masterformat_text;
 398                 else if (strcasecmp(inputformatstr, "raw") == 0)
 399                         inputformat = dns_masterformat_raw;
 400                 else {
 401                         fprintf(stderr, "unknown file format: %s\n",
 402                             inputformatstr);
 403                         exit(1);
 404                 }
 405         }
 406
 407         if (outputformatstr != NULL) {
 408                 if (strcasecmp(outputformatstr, "text") == 0)
 409                         outputformat = dns_masterformat_text;
 410                 else if (strcasecmp(outputformatstr, "raw") == 0)
 411                         outputformat = dns_masterformat_raw;
 412                 else {
 413                         fprintf(stderr, "unknown file format: %s\n",
 414                                 outputformatstr);
 415                         exit(1);
 416                 }
 417         }
 418
 419         if (progmode == progmode_compile) {
 420                 dumpzone = 1;   /* always dump */
 421                 if (output_filename == NULL) {
 422                         fprintf(stderr,
 423                                 "output file required, but not specified\n");
 424                         usage();
 425                 }
 426         }
 427
 428         if (output_filename != NULL)
 429                 dumpzone = 1;
 430
 431         /*
 432          * If we are outputing to stdout then send the informational
 433          * output to stderr.
 434          */
 435         if (dumpzone &&
 436             (output_filename == NULL ||
 437              strcmp(output_filename, "-") == 0 ||
 438              strcmp(output_filename, "/dev/fd/1") == 0 ||
 439              strcmp(output_filename, "/dev/stdout") == 0))
 440                 errout = stderr;
 441
 442         if (isc_commandline_index + 2 != argc)
 443                 usage();
 444
 445 #ifdef _WIN32
 446         InitSockets();
 447 #endif
 448
 449         RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
 450         if (!quiet)
 451                 RUNTIME_CHECK(setup_logging(mctx, errout, &lctx)
 452                               == ISC_R_SUCCESS);
 453         RUNTIME_CHECK(isc_entropy_create(mctx, &ectx) == ISC_R_SUCCESS);
 454         RUNTIME_CHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE)
 455                       == ISC_R_SUCCESS);
 456
 457         dns_result_register();
 458
 459         origin = argv[isc_commandline_index++];
 460         filename = argv[isc_commandline_index++];
 461         result = load_zone(mctx, origin, filename, inputformat, classname,
 462                            &zone);
 463
 464         if (result == ISC_R_SUCCESS && dumpzone) {
 465                 if (!quiet && progmode == progmode_compile) {
 466                         fprintf(errout, "dump zone to %s...", output_filename);
 467                         fflush(errout);
 468                 }
 469                 result = dump_zone(origin, zone, output_filename,
 470                                    outputformat, outputstyle);
 471                 if (!quiet && progmode == progmode_compile)
 472                         fprintf(errout, "done\n");
 473         }
 474
 475         if (!quiet && result == ISC_R_SUCCESS)
 476                 fprintf(errout, "OK\n");
 477         destroy();
 478         if (lctx != NULL)
 479                 isc_log_destroy(&lctx);
 480         isc_hash_destroy();
 481         isc_entropy_detach(&ectx);
 482         isc_mem_destroy(&mctx);
 483 #ifdef _WIN32
 484         DestroySockets();
 485 #endif
 486         return ((result == ISC_R_SUCCESS) ? 0 : 1);
 487 }