contrib/bind-9.5.2/bin/check/named-checkzone.c

   1 /*
   2  * Copyright (C) 2004-2009  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 1.49.130.5 2009/05/29 02:18:32 marka 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 static void
  74 usage(void) {
  75         fprintf(stderr,
  76                 "usage: %s [-djqvD] [-c class] [-o output] "
  77                 "[-f inputformat] [-F outputformat] "
  78                 "[-t directory] [-w directory] [-k (ignore|warn|fail)] "
  79                 "[-n (ignore|warn|fail)] [-m (ignore|warn|fail)] "
  80                 "[-i (full|full-sibling|local|local-sibling|none)] "
  81                 "[-M (ignore|warn|fail)] [-S (ignore|warn|fail)] "
  82                 "[-W (ignore|warn)] "
  83                 "zonename filename\n", prog_name);
  84         exit(1);
  85 }
  86
  87 static void
  88 destroy(void) {
  89         if (zone != NULL)
  90                 dns_zone_detach(&zone);
  91         dns_name_destroy();
  92 }
  93
  94 /*% main processing routine */
  95 int
  96 main(int argc, char **argv) {
  97         int c;
  98         char *origin = NULL;
  99         char *filename = NULL;
 100         isc_log_t *lctx = NULL;
 101         isc_result_t result;
 102         char classname_in[] = "IN";
 103         char *classname = classname_in;
 104         const char *workdir = NULL;
 105         const char *inputformatstr = NULL;
 106         const char *outputformatstr = NULL;
 107         dns_masterformat_t inputformat = dns_masterformat_text;
 108         dns_masterformat_t outputformat = dns_masterformat_text;
 109         FILE *errout = stdout;
 110
 111         outputstyle = &dns_master_style_full;
 112
 113         prog_name = strrchr(argv[0], '/');
 114         if (prog_name == NULL)
 115                 prog_name = strrchr(argv[0], '\\');
 116         if (prog_name != NULL)
 117                 prog_name++;
 118         else
 119                 prog_name = argv[0];
 120         /*
 121          * Libtool doesn't preserve the program name prior to final
 122          * installation.  Remove the libtool prefix ("lt-").
 123          */
 124         if (strncmp(prog_name, "lt-", 3) == 0)
 125                 prog_name += 3;
 126
 127 #define PROGCMP(X) \
 128         (strcasecmp(prog_name, X) == 0 || strcasecmp(prog_name, X ".exe") == 0)
 129
 130         if (PROGCMP("named-checkzone"))
 131                 progmode = progmode_check;
 132         else if (PROGCMP("named-compilezone"))
 133                 progmode = progmode_compile;
 134         else
 135                 INSIST(0);
 136
 137         /* Compilation specific defaults */
 138         if (progmode == progmode_compile) {
 139                 zone_options |= (DNS_ZONEOPT_CHECKNS |
 140                                  DNS_ZONEOPT_FATALNS |
 141                                  DNS_ZONEOPT_CHECKNAMES |
 142                                  DNS_ZONEOPT_CHECKNAMESFAIL |
 143                                  DNS_ZONEOPT_CHECKWILDCARD);
 144         }
 145
 146 #define ARGCMP(X) (strcmp(isc_commandline_argument, X) == 0)
 147
 148         isc_commandline_errprint = ISC_FALSE;
 149
 150         while ((c = isc_commandline_parse(argc, argv,
 151                                          "c:df:hi:jk:m:n:qs:t:o:vw:DF:M:S:W:"))
 152                != EOF) {
 153                 switch (c) {
 154                 case 'c':
 155                         classname = isc_commandline_argument;
 156                         break;
 157
 158                 case 'd':
 159                         debug++;
 160                         break;
 161
 162                 case 'i':
 163                         if (ARGCMP("full")) {
 164                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY |
 165                                                 DNS_ZONEOPT_CHECKSIBLING;
 166                                 docheckmx = ISC_TRUE;
 167                                 docheckns = ISC_TRUE;
 168                                 dochecksrv = ISC_TRUE;
 169                         } else if (ARGCMP("full-sibling")) {
 170                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
 171                                 zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
 172                                 docheckmx = ISC_TRUE;
 173                                 docheckns = ISC_TRUE;
 174                                 dochecksrv = ISC_TRUE;
 175                         } else if (ARGCMP("local")) {
 176                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
 177                                 zone_options |= DNS_ZONEOPT_CHECKSIBLING;
 178                                 docheckmx = ISC_FALSE;
 179                                 docheckns = ISC_FALSE;
 180                                 dochecksrv = ISC_FALSE;
 181                         } else if (ARGCMP("local-sibling")) {
 182                                 zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
 183                                 zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
 184                                 docheckmx = ISC_FALSE;
 185                                 docheckns = ISC_FALSE;
 186                                 dochecksrv = ISC_FALSE;
 187                         } else if (ARGCMP("none")) {
 188                                 zone_options &= ~DNS_ZONEOPT_CHECKINTEGRITY;
 189                                 zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
 190                                 docheckmx = ISC_FALSE;
 191                                 docheckns = ISC_FALSE;
 192                                 dochecksrv = ISC_FALSE;
 193                         } else {
 194                                 fprintf(stderr, "invalid argument to -i: %s\n",
 195                                         isc_commandline_argument);
 196                                 exit(1);
 197                         }
 198                         break;
 199
 200                 case 'f':
 201                         inputformatstr = isc_commandline_argument;
 202                         break;
 203
 204                 case 'F':
 205                         outputformatstr = isc_commandline_argument;
 206                         break;
 207
 208                 case 'j':
 209                         nomerge = ISC_FALSE;
 210                         break;
 211
 212                 case 'k':
 213                         if (ARGCMP("warn")) {
 214                                 zone_options |= DNS_ZONEOPT_CHECKNAMES;
 215                                 zone_options &= ~DNS_ZONEOPT_CHECKNAMESFAIL;
 216                         } else if (ARGCMP("fail")) {
 217                                 zone_options |= DNS_ZONEOPT_CHECKNAMES |
 218                                                 DNS_ZONEOPT_CHECKNAMESFAIL;
 219                         } else if (ARGCMP("ignore")) {
 220                                 zone_options &= ~(DNS_ZONEOPT_CHECKNAMES |
 221                                                   DNS_ZONEOPT_CHECKNAMESFAIL);
 222                         } else {
 223                                 fprintf(stderr, "invalid argument to -k: %s\n",
 224                                         isc_commandline_argument);
 225                                 exit(1);
 226                         }
 227                         break;
 228
 229                 case 'n':
 230                         if (ARGCMP("ignore")) {
 231                                 zone_options &= ~(DNS_ZONEOPT_CHECKNS|
 232                                                   DNS_ZONEOPT_FATALNS);
 233                         } else if (ARGCMP("warn")) {
 234                                 zone_options |= DNS_ZONEOPT_CHECKNS;
 235                                 zone_options &= ~DNS_ZONEOPT_FATALNS;
 236                         } else if (ARGCMP("fail")) {
 237                                 zone_options |= DNS_ZONEOPT_CHECKNS|
 238                                                 DNS_ZONEOPT_FATALNS;
 239                         } else {
 240                                 fprintf(stderr, "invalid argument to -n: %s\n",
 241                                         isc_commandline_argument);
 242                                 exit(1);
 243                         }
 244                         break;
 245
 246                 case 'm':
 247                         if (ARGCMP("warn")) {
 248                                 zone_options |= DNS_ZONEOPT_CHECKMX;
 249                                 zone_options &= ~DNS_ZONEOPT_CHECKMXFAIL;
 250                         } else if (ARGCMP("fail")) {
 251                                 zone_options |= DNS_ZONEOPT_CHECKMX |
 252                                                 DNS_ZONEOPT_CHECKMXFAIL;
 253                         } else if (ARGCMP("ignore")) {
 254                                 zone_options &= ~(DNS_ZONEOPT_CHECKMX |
 255                                                   DNS_ZONEOPT_CHECKMXFAIL);
 256                         } else {
 257                                 fprintf(stderr, "invalid argument to -m: %s\n",
 258                                         isc_commandline_argument);
 259                                 exit(1);
 260                         }
 261                         break;
 262
 263                 case 'q':
 264                         quiet++;
 265                         break;
 266
 267                 case 't':
 268                         result = isc_dir_chroot(isc_commandline_argument);
 269                         if (result != ISC_R_SUCCESS) {
 270                                 fprintf(stderr, "isc_dir_chroot: %s: %s\n",
 271                                         isc_commandline_argument,
 272                                         isc_result_totext(result));
 273                                 exit(1);
 274                         }
 275                         break;
 276
 277                 case 's':
 278                         if (ARGCMP("full"))
 279                                 outputstyle = &dns_master_style_full;
 280                         else if (ARGCMP("relative")) {
 281                                 outputstyle = &dns_master_style_default;
 282                         } else {
 283                                 fprintf(stderr,
 284                                         "unknown or unsupported style: %s\n",
 285                                         isc_commandline_argument);
 286                                 exit(1);
 287                         }
 288                         break;
 289
 290                 case 'o':
 291                         output_filename = isc_commandline_argument;
 292                         break;
 293
 294                 case 'v':
 295                         printf(VERSION "\n");
 296                         exit(0);
 297
 298                 case 'w':
 299                         workdir = isc_commandline_argument;
 300                         break;
 301
 302                 case 'D':
 303                         dumpzone++;
 304                         break;
 305
 306                 case 'M':
 307                         if (ARGCMP("fail")) {
 308                                 zone_options &= ~DNS_ZONEOPT_WARNMXCNAME;
 309                                 zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
 310                         } else if (ARGCMP("warn")) {
 311                                 zone_options |= DNS_ZONEOPT_WARNMXCNAME;
 312                                 zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
 313                         } else if (ARGCMP("ignore")) {
 314                                 zone_options |= DNS_ZONEOPT_WARNMXCNAME;
 315                                 zone_options |= DNS_ZONEOPT_IGNOREMXCNAME;
 316                         } else {
 317                                 fprintf(stderr, "invalid argument to -M: %s\n",
 318                                         isc_commandline_argument);
 319                                 exit(1);
 320                         }
 321                         break;
 322
 323                 case 'S':
 324                         if (ARGCMP("fail")) {
 325                                 zone_options &= ~DNS_ZONEOPT_WARNSRVCNAME;
 326                                 zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
 327                         } else if (ARGCMP("warn")) {
 328                                 zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
 329                                 zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
 330                         } else if (ARGCMP("ignore")) {
 331                                 zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
 332                                 zone_options |= DNS_ZONEOPT_IGNORESRVCNAME;
 333                         } else {
 334                                 fprintf(stderr, "invalid argument to -S: %s\n",
 335                                         isc_commandline_argument);
 336                                 exit(1);
 337                         }
 338                         break;
 339
 340                 case 'W':
 341                         if (ARGCMP("warn"))
 342                                 zone_options |= DNS_ZONEOPT_CHECKWILDCARD;
 343                         else if (ARGCMP("ignore"))
 344                                 zone_options &= ~DNS_ZONEOPT_CHECKWILDCARD;
 345                         break;
 346
 347                 case '?':
 348                         if (isc_commandline_option != '?')
 349                                 fprintf(stderr, "%s: invalid argument -%c\n",
 350                                         prog_name, isc_commandline_option);
 351                 case 'h':
 352                         usage();
 353
 354                 default:
 355                         fprintf(stderr, "%s: unhandled option -%c\n",
 356                                 prog_name, isc_commandline_option);
 357                         exit(1);
 358                 }
 359         }
 360
 361         if (workdir != NULL) {
 362                 result = isc_dir_chdir(workdir);
 363                 if (result != ISC_R_SUCCESS) {
 364                         fprintf(stderr, "isc_dir_chdir: %s: %s\n",
 365                                 workdir, isc_result_totext(result));
 366                         exit(1);
 367                 }
 368         }
 369
 370         if (inputformatstr != NULL) {
 371                 if (strcasecmp(inputformatstr, "text") == 0)
 372                         inputformat = dns_masterformat_text;
 373                 else if (strcasecmp(inputformatstr, "raw") == 0)
 374                         inputformat = dns_masterformat_raw;
 375                 else {
 376                         fprintf(stderr, "unknown file format: %s\n",
 377                             inputformatstr);
 378                         exit(1);
 379                 }
 380         }
 381
 382         if (outputformatstr != NULL) {
 383                 if (strcasecmp(outputformatstr, "text") == 0)
 384                         outputformat = dns_masterformat_text;
 385                 else if (strcasecmp(outputformatstr, "raw") == 0)
 386                         outputformat = dns_masterformat_raw;
 387                 else {
 388                         fprintf(stderr, "unknown file format: %s\n",
 389                                 outputformatstr);
 390                         exit(1);
 391                 }
 392         }
 393
 394         if (progmode == progmode_compile) {
 395                 dumpzone = 1;   /* always dump */
 396                 if (output_filename == NULL) {
 397                         fprintf(stderr,
 398                                 "output file required, but not specified\n");
 399                         usage();
 400                 }
 401         }
 402
 403         if (output_filename != NULL)
 404                 dumpzone = 1;
 405
 406         /*
 407          * If we are outputing to stdout then send the informational
 408          * output to stderr.
 409          */
 410         if (dumpzone &&
 411             (output_filename == NULL ||
 412              strcmp(output_filename, "-") == 0 ||
 413              strcmp(output_filename, "/dev/fd/1") == 0 ||
 414              strcmp(output_filename, "/dev/stdout") == 0))
 415                 errout = stderr;
 416
 417         if (isc_commandline_index + 2 != argc)
 418                 usage();
 419
 420         RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
 421         if (!quiet)
 422                 RUNTIME_CHECK(setup_logging(mctx, errout, &lctx)
 423                               == ISC_R_SUCCESS);
 424         RUNTIME_CHECK(isc_entropy_create(mctx, &ectx) == ISC_R_SUCCESS);
 425         RUNTIME_CHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE)
 426                       == ISC_R_SUCCESS);
 427
 428         dns_result_register();
 429
 430         origin = argv[isc_commandline_index++];
 431         filename = argv[isc_commandline_index++];
 432         result = load_zone(mctx, origin, filename, inputformat, classname,
 433                            &zone);
 434
 435         if (result == ISC_R_SUCCESS && dumpzone) {
 436                 if (!quiet && progmode == progmode_compile) {
 437                         fprintf(errout, "dump zone to %s...", output_filename);
 438                         fflush(errout);
 439                 }
 440                 result = dump_zone(origin, zone, output_filename,
 441                                    outputformat, outputstyle);
 442                 if (!quiet && progmode == progmode_compile)
 443                         fprintf(errout, "done\n");
 444         }
 445
 446         if (!quiet && result == ISC_R_SUCCESS)
 447                 fprintf(errout, "OK\n");
 448         destroy();
 449         if (lctx != NULL)
 450                 isc_log_destroy(&lctx);
 451         isc_hash_destroy();
 452         isc_entropy_detach(&ectx);
 453         isc_mem_destroy(&mctx);
 454         return ((result == ISC_R_SUCCESS) ? 0 : 1);
 455 }