lib/ntdb/tools/ntdbtool.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Samba database functions
   4    Copyright (C) Andrew Tridgell              1999-2000
   5    Copyright (C) Paul `Rusty' Russell              2000
   6    Copyright (C) Jeremy Allison                    2000
   7    Copyright (C) Andrew Esh                        2001
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "config.h"
  24 #include "ntdb.h"
  25 #include "private.h"
  26
  27 static int do_command(void);
  28 const char *cmdname;
  29 char *arg1, *arg2;
  30 size_t arg1len, arg2len;
  31 int bIterate = 0;
  32 char *line;
  33 NTDB_DATA iterate_kbuf;
  34 char cmdline[1024];
  35 static int disable_mmap;
  36
  37 enum commands {
  38         CMD_CREATE_NTDB,
  39         CMD_OPEN_NTDB,
  40         CMD_TRANSACTION_START,
  41         CMD_TRANSACTION_COMMIT,
  42         CMD_TRANSACTION_CANCEL,
  43         CMD_ERASE,
  44         CMD_DUMP,
  45         CMD_INSERT,
  46         CMD_MOVE,
  47         CMD_STORE,
  48         CMD_SHOW,
  49         CMD_KEYS,
  50         CMD_HEXKEYS,
  51         CMD_DELETE,
  52 #if 0
  53         CMD_LIST_HASH_FREE,
  54         CMD_LIST_FREE,
  55 #endif
  56         CMD_INFO,
  57         CMD_MMAP,
  58         CMD_SPEED,
  59         CMD_FIRST,
  60         CMD_NEXT,
  61         CMD_SYSTEM,
  62         CMD_CHECK,
  63         CMD_QUIT,
  64         CMD_HELP
  65 };
  66
  67 typedef struct {
  68         const char *name;
  69         enum commands cmd;
  70 } COMMAND_TABLE;
  71
  72 COMMAND_TABLE cmd_table[] = {
  73         {"create",      CMD_CREATE_NTDB},
  74         {"open",        CMD_OPEN_NTDB},
  75 #if 0
  76         {"transaction_start",   CMD_TRANSACTION_START},
  77         {"transaction_commit",  CMD_TRANSACTION_COMMIT},
  78         {"transaction_cancel",  CMD_TRANSACTION_CANCEL},
  79 #endif
  80         {"erase",       CMD_ERASE},
  81         {"dump",        CMD_DUMP},
  82         {"insert",      CMD_INSERT},
  83         {"move",        CMD_MOVE},
  84         {"store",       CMD_STORE},
  85         {"show",        CMD_SHOW},
  86         {"keys",        CMD_KEYS},
  87         {"hexkeys",     CMD_HEXKEYS},
  88         {"delete",      CMD_DELETE},
  89 #if 0
  90         {"list",        CMD_LIST_HASH_FREE},
  91         {"free",        CMD_LIST_FREE},
  92 #endif
  93         {"info",        CMD_INFO},
  94         {"speed",       CMD_SPEED},
  95         {"mmap",        CMD_MMAP},
  96         {"first",       CMD_FIRST},
  97         {"1",           CMD_FIRST},
  98         {"next",        CMD_NEXT},
  99         {"n",           CMD_NEXT},
 100         {"check",       CMD_CHECK},
 101         {"quit",        CMD_QUIT},
 102         {"q",           CMD_QUIT},
 103         {"!",           CMD_SYSTEM},
 104         {NULL,          CMD_HELP}
 105 };
 106
 107 struct timeval tp1,tp2;
 108
 109 static void _start_timer(void)
 110 {
 111         gettimeofday(&tp1,NULL);
 112 }
 113
 114 static double _end_timer(void)
 115 {
 116         gettimeofday(&tp2,NULL);
 117         return((tp2.tv_sec - tp1.tv_sec) +
 118                (tp2.tv_usec - tp1.tv_usec)*1.0e-6);
 119 }
 120
 121 static void ntdb_log(struct ntdb_context *ntdb,
 122                     enum ntdb_log_level level,
 123                     enum NTDB_ERROR ecode,
 124                     const char *message,
 125                     void *data)
 126 {
 127         fprintf(stderr, "ntdb:%s:%s:%s\n",
 128                 ntdb_name(ntdb), ntdb_errorstr(ecode), message);
 129 }
 130
 131 /* a ntdb tool for manipulating a ntdb database */
 132
 133 static struct ntdb_context *ntdb;
 134
 135 static int print_rec(struct ntdb_context *the_ntdb, NTDB_DATA key, NTDB_DATA dbuf, void *state);
 136 static int print_key(struct ntdb_context *the_ntdb, NTDB_DATA key, NTDB_DATA dbuf, void *state);
 137 static int print_hexkey(struct ntdb_context *the_ntdb, NTDB_DATA key, NTDB_DATA dbuf, void *state);
 138
 139 static void print_asc(const char *buf,int len)
 140 {
 141         int i;
 142
 143         /* We're probably printing ASCII strings so don't try to display
 144            the trailing NULL character. */
 145
 146         if (buf[len - 1] == 0)
 147                 len--;
 148
 149         for (i=0;i<len;i++)
 150                 printf("%c",isprint(buf[i])?buf[i]:'.');
 151 }
 152
 153 static void print_data(const char *buf,int len)
 154 {
 155         int i=0;
 156         if (len<=0) return;
 157         printf("[%03X] ",i);
 158         for (i=0;i<len;) {
 159                 printf("%02X ",(int)((unsigned char)buf[i]));
 160                 i++;
 161                 if (i%8 == 0) printf(" ");
 162                 if (i%16 == 0) {
 163                         print_asc(&buf[i-16],8); printf(" ");
 164                         print_asc(&buf[i-8],8); printf("\n");
 165                         if (i<len) printf("[%03X] ",i);
 166                 }
 167         }
 168         if (i%16) {
 169                 int n;
 170
 171                 n = 16 - (i%16);
 172                 printf(" ");
 173                 if (n>8) printf(" ");
 174                 while (n--) printf("   ");
 175
 176                 n = i%16;
 177                 if (n > 8) n = 8;
 178                 print_asc(&buf[i-(i%16)],n); printf(" ");
 179                 n = (i%16) - n;
 180                 if (n>0) print_asc(&buf[i-n],n);
 181                 printf("\n");
 182         }
 183 }
 184
 185 static void help(void)
 186 {
 187         printf("\n"
 188 "tdbtool: \n"
 189 "  create    dbname     : create a database\n"
 190 "  open      dbname     : open an existing database\n"
 191 "  openjh    dbname     : open an existing database (jenkins hash)\n"
 192 "  transaction_start    : start a transaction\n"
 193 "  transaction_commit   : commit a transaction\n"
 194 "  transaction_cancel   : cancel a transaction\n"
 195 "  erase                : erase the database\n"
 196 "  dump                 : dump the database as strings\n"
 197 "  keys                 : dump the database keys as strings\n"
 198 "  hexkeys              : dump the database keys as hex values\n"
 199 "  info                 : print summary info about the database\n"
 200 "  insert    key  data  : insert a record\n"
 201 "  move      key  file  : move a record to a destination ntdb\n"
 202 "  store     key  data  : store a record (replace)\n"
 203 "  show      key        : show a record by key\n"
 204 "  delete    key        : delete a record by key\n"
 205 #if 0
 206 "  list                 : print the database hash table and freelist\n"
 207 "  free                 : print the database freelist\n"
 208 #endif
 209 "  check                : check the integrity of an opened database\n"
 210 "  speed                : perform speed tests on the database\n"
 211 "  ! command            : execute system command\n"
 212 "  1 | first            : print the first record\n"
 213 "  n | next             : print the next record\n"
 214 "  q | quit             : terminate\n"
 215 "  \\n                   : repeat 'next' command\n"
 216 "\n");
 217 }
 218
 219 static void terror(enum NTDB_ERROR err, const char *why)
 220 {
 221         if (err != NTDB_SUCCESS)
 222                 printf("%s:%s\n", ntdb_errorstr(err), why);
 223         else
 224                 printf("%s\n", why);
 225 }
 226
 227 static void create_ntdb(const char *tdbname)
 228 {
 229         union ntdb_attribute log_attr;
 230         log_attr.base.attr = NTDB_ATTRIBUTE_LOG;
 231         log_attr.base.next = NULL;
 232         log_attr.log.fn = ntdb_log;
 233
 234         if (ntdb) ntdb_close(ntdb);
 235         ntdb = ntdb_open(tdbname, (disable_mmap?NTDB_NOMMAP:0),
 236                        O_RDWR | O_CREAT | O_TRUNC, 0600, &log_attr);
 237         if (!ntdb) {
 238                 printf("Could not create %s: %s\n", tdbname, strerror(errno));
 239         }
 240 }
 241
 242 static void open_ntdb(const char *tdbname)
 243 {
 244         union ntdb_attribute log_attr;
 245         log_attr.base.attr = NTDB_ATTRIBUTE_LOG;
 246         log_attr.base.next = NULL;
 247         log_attr.log.fn = ntdb_log;
 248
 249         if (ntdb) ntdb_close(ntdb);
 250         ntdb = ntdb_open(tdbname, disable_mmap?NTDB_NOMMAP:0, O_RDWR, 0600,
 251                        &log_attr);
 252         if (!ntdb) {
 253                 printf("Could not open %s: %s\n", tdbname, strerror(errno));
 254         }
 255 }
 256
 257 static void insert_ntdb(char *keyname, size_t keylen, char* data, size_t datalen)
 258 {
 259         NTDB_DATA key, dbuf;
 260         enum NTDB_ERROR ecode;
 261
 262         if ((keyname == NULL) || (keylen == 0)) {
 263                 terror(NTDB_SUCCESS, "need key");
 264                 return;
 265         }
 266
 267         key.dptr = (unsigned char *)keyname;
 268         key.dsize = keylen;
 269         dbuf.dptr = (unsigned char *)data;
 270         dbuf.dsize = datalen;
 271
 272         ecode = ntdb_store(ntdb, key, dbuf, NTDB_INSERT);
 273         if (ecode) {
 274                 terror(ecode, "insert failed");
 275         }
 276 }
 277
 278 static void store_ntdb(char *keyname, size_t keylen, char* data, size_t datalen)
 279 {
 280         NTDB_DATA key, dbuf;
 281         enum NTDB_ERROR ecode;
 282
 283         if ((keyname == NULL) || (keylen == 0)) {
 284                 terror(NTDB_SUCCESS, "need key");
 285                 return;
 286         }
 287
 288         if ((data == NULL) || (datalen == 0)) {
 289                 terror(NTDB_SUCCESS, "need data");
 290                 return;
 291         }
 292
 293         key.dptr = (unsigned char *)keyname;
 294         key.dsize = keylen;
 295         dbuf.dptr = (unsigned char *)data;
 296         dbuf.dsize = datalen;
 297
 298         printf("Storing key:\n");
 299         print_rec(ntdb, key, dbuf, NULL);
 300
 301         ecode = ntdb_store(ntdb, key, dbuf, NTDB_REPLACE);
 302         if (ecode) {
 303                 terror(ecode, "store failed");
 304         }
 305 }
 306
 307 static void show_ntdb(char *keyname, size_t keylen)
 308 {
 309         NTDB_DATA key, dbuf;
 310         enum NTDB_ERROR ecode;
 311
 312         if ((keyname == NULL) || (keylen == 0)) {
 313                 terror(NTDB_SUCCESS, "need key");
 314                 return;
 315         }
 316
 317         key.dptr = (unsigned char *)keyname;
 318         key.dsize = keylen;
 319
 320         ecode = ntdb_fetch(ntdb, key, &dbuf);
 321         if (ecode) {
 322                 terror(ecode, "fetch failed");
 323                 return;
 324         }
 325
 326         print_rec(ntdb, key, dbuf, NULL);
 327
 328         free( dbuf.dptr );
 329 }
 330
 331 static void delete_ntdb(char *keyname, size_t keylen)
 332 {
 333         NTDB_DATA key;
 334         enum NTDB_ERROR ecode;
 335
 336         if ((keyname == NULL) || (keylen == 0)) {
 337                 terror(NTDB_SUCCESS, "need key");
 338                 return;
 339         }
 340
 341         key.dptr = (unsigned char *)keyname;
 342         key.dsize = keylen;
 343
 344         ecode = ntdb_delete(ntdb, key);
 345         if (ecode) {
 346                 terror(ecode, "delete failed");
 347         }
 348 }
 349
 350 static void move_rec(char *keyname, size_t keylen, char* tdbname)
 351 {
 352         NTDB_DATA key, dbuf;
 353         struct ntdb_context *dst_ntdb;
 354         enum NTDB_ERROR ecode;
 355
 356         if ((keyname == NULL) || (keylen == 0)) {
 357                 terror(NTDB_SUCCESS, "need key");
 358                 return;
 359         }
 360
 361         if ( !tdbname ) {
 362                 terror(NTDB_SUCCESS, "need destination ntdb name");
 363                 return;
 364         }
 365
 366         key.dptr = (unsigned char *)keyname;
 367         key.dsize = keylen;
 368
 369         ecode = ntdb_fetch(ntdb, key, &dbuf);
 370         if (ecode) {
 371                 terror(ecode, "fetch failed");
 372                 return;
 373         }
 374
 375         print_rec(ntdb, key, dbuf, NULL);
 376
 377         dst_ntdb = ntdb_open(tdbname, 0, O_RDWR, 0600, NULL);
 378         if ( !dst_ntdb ) {
 379                 terror(NTDB_SUCCESS, "unable to open destination ntdb");
 380                 return;
 381         }
 382
 383         ecode = ntdb_store( dst_ntdb, key, dbuf, NTDB_REPLACE);
 384         if (ecode)
 385                 terror(ecode, "failed to move record");
 386         else
 387                 printf("record moved\n");
 388
 389         ntdb_close( dst_ntdb );
 390 }
 391
 392 static int print_rec(struct ntdb_context *the_ntdb, NTDB_DATA key, NTDB_DATA dbuf, void *state)
 393 {
 394         printf("\nkey %d bytes\n", (int)key.dsize);
 395         print_asc((const char *)key.dptr, key.dsize);
 396         printf("\ndata %d bytes\n", (int)dbuf.dsize);
 397         print_data((const char *)dbuf.dptr, dbuf.dsize);
 398         return 0;
 399 }
 400
 401 static int print_key(struct ntdb_context *the_ntdb, NTDB_DATA key, NTDB_DATA dbuf, void *state)
 402 {
 403         printf("key %d bytes: ", (int)key.dsize);
 404         print_asc((const char *)key.dptr, key.dsize);
 405         printf("\n");
 406         return 0;
 407 }
 408
 409 static int print_hexkey(struct ntdb_context *the_ntdb, NTDB_DATA key, NTDB_DATA dbuf, void *state)
 410 {
 411         printf("key %d bytes\n", (int)key.dsize);
 412         print_data((const char *)key.dptr, key.dsize);
 413         printf("\n");
 414         return 0;
 415 }
 416
 417 static int total_bytes;
 418
 419 static int traverse_fn(struct ntdb_context *the_ntdb, NTDB_DATA key, NTDB_DATA dbuf, void *state)
 420 {
 421         total_bytes += dbuf.dsize;
 422         return 0;
 423 }
 424
 425 static void info_ntdb(void)
 426 {
 427         enum NTDB_ERROR ecode;
 428         char *summary;
 429
 430         ecode = ntdb_summary(ntdb, NTDB_SUMMARY_HISTOGRAMS, &summary);
 431
 432         if (ecode) {
 433                 terror(ecode, "Getting summary");
 434         } else {
 435                 printf("%s", summary);
 436                 free(summary);
 437         }
 438 }
 439
 440 static void speed_ntdb(const char *tlimit)
 441 {
 442         unsigned timelimit = tlimit?atoi(tlimit):0;
 443         double t;
 444         int ops;
 445         if (timelimit == 0) timelimit = 5;
 446
 447         ops = 0;
 448         printf("Testing store speed for %u seconds\n", timelimit);
 449         _start_timer();
 450         do {
 451                 long int r = random();
 452                 NTDB_DATA key, dbuf;
 453                 key = ntdb_mkdata("store test", strlen("store test"));
 454                 dbuf.dptr = (unsigned char *)&r;
 455                 dbuf.dsize = sizeof(r);
 456                 ntdb_store(ntdb, key, dbuf, NTDB_REPLACE);
 457                 t = _end_timer();
 458                 ops++;
 459         } while (t < timelimit);
 460         printf("%10.3f ops/sec\n", ops/t);
 461
 462         ops = 0;
 463         printf("Testing fetch speed for %u seconds\n", timelimit);
 464         _start_timer();
 465         do {
 466                 long int r = random();
 467                 NTDB_DATA key, dbuf;
 468                 key = ntdb_mkdata("store test", strlen("store test"));
 469                 dbuf.dptr = (unsigned char *)&r;
 470                 dbuf.dsize = sizeof(r);
 471                 ntdb_fetch(ntdb, key, &dbuf);
 472                 t = _end_timer();
 473                 ops++;
 474         } while (t < timelimit);
 475         printf("%10.3f ops/sec\n", ops/t);
 476
 477         ops = 0;
 478         printf("Testing transaction speed for %u seconds\n", timelimit);
 479         _start_timer();
 480         do {
 481                 long int r = random();
 482                 NTDB_DATA key, dbuf;
 483                 key = ntdb_mkdata("transaction test", strlen("transaction test"));
 484                 dbuf.dptr = (unsigned char *)&r;
 485                 dbuf.dsize = sizeof(r);
 486                 ntdb_transaction_start(ntdb);
 487                 ntdb_store(ntdb, key, dbuf, NTDB_REPLACE);
 488                 ntdb_transaction_commit(ntdb);
 489                 t = _end_timer();
 490                 ops++;
 491         } while (t < timelimit);
 492         printf("%10.3f ops/sec\n", ops/t);
 493
 494         ops = 0;
 495         printf("Testing traverse speed for %u seconds\n", timelimit);
 496         _start_timer();
 497         do {
 498                 ntdb_traverse(ntdb, traverse_fn, NULL);
 499                 t = _end_timer();
 500                 ops++;
 501         } while (t < timelimit);
 502         printf("%10.3f ops/sec\n", ops/t);
 503 }
 504
 505 static void toggle_mmap(void)
 506 {
 507         disable_mmap = !disable_mmap;
 508         if (disable_mmap) {
 509                 printf("mmap is disabled\n");
 510         } else {
 511                 printf("mmap is enabled\n");
 512         }
 513 }
 514
 515 static char *ntdb_getline(const char *prompt)
 516 {
 517         static char thisline[1024];
 518         char *p;
 519         fputs(prompt, stdout);
 520         thisline[0] = 0;
 521         p = fgets(thisline, sizeof(thisline)-1, stdin);
 522         if (p) p = strchr(p, '\n');
 523         if (p) *p = 0;
 524         return p?thisline:NULL;
 525 }
 526
 527 static int do_delete_fn(struct ntdb_context *the_ntdb, NTDB_DATA key, NTDB_DATA dbuf,
 528                      void *state)
 529 {
 530     return ntdb_delete(the_ntdb, key);
 531 }
 532
 533 static void first_record(struct ntdb_context *the_ntdb, NTDB_DATA *pkey)
 534 {
 535         NTDB_DATA dbuf;
 536         enum NTDB_ERROR ecode;
 537         ecode = ntdb_firstkey(the_ntdb, pkey);
 538         if (!ecode)
 539                 ecode = ntdb_fetch(the_ntdb, *pkey, &dbuf);
 540         if (ecode) terror(ecode, "fetch failed");
 541         else {
 542                 print_rec(the_ntdb, *pkey, dbuf, NULL);
 543         }
 544 }
 545
 546 static void next_record(struct ntdb_context *the_ntdb, NTDB_DATA *pkey)
 547 {
 548         NTDB_DATA dbuf;
 549         enum NTDB_ERROR ecode;
 550         ecode = ntdb_nextkey(the_ntdb, pkey);
 551
 552         if (!ecode)
 553                 ecode = ntdb_fetch(the_ntdb, *pkey, &dbuf);
 554         if (ecode)
 555                 terror(ecode, "fetch failed");
 556         else
 557                 print_rec(the_ntdb, *pkey, dbuf, NULL);
 558 }
 559
 560 static void check_db(struct ntdb_context *the_ntdb)
 561 {
 562         if (!the_ntdb) {
 563                 printf("Error: No database opened!\n");
 564         } else {
 565                 if (ntdb_check(the_ntdb, NULL, NULL) != 0)
 566                         printf("Integrity check for the opened database failed.\n");
 567                 else
 568                         printf("Database integrity is OK.\n");
 569         }
 570 }
 571
 572 static int do_command(void)
 573 {
 574         COMMAND_TABLE *ctp = cmd_table;
 575         enum commands mycmd = CMD_HELP;
 576         int cmd_len;
 577
 578         if (cmdname && strlen(cmdname) == 0) {
 579                 mycmd = CMD_NEXT;
 580         } else {
 581                 while (ctp->name) {
 582                         cmd_len = strlen(ctp->name);
 583                         if (strncmp(ctp->name,cmdname,cmd_len) == 0) {
 584                                 mycmd = ctp->cmd;
 585                                 break;
 586                         }
 587                         ctp++;
 588                 }
 589         }
 590
 591         switch (mycmd) {
 592         case CMD_CREATE_NTDB:
 593                 bIterate = 0;
 594                 create_ntdb(arg1);
 595                 return 0;
 596         case CMD_OPEN_NTDB:
 597                 bIterate = 0;
 598                 open_ntdb(arg1);
 599                 return 0;
 600         case CMD_SYSTEM:
 601                 /* Shell command */
 602                 if (system(arg1) == -1) {
 603                         terror(NTDB_SUCCESS, "system() call failed\n");
 604                 }
 605                 return 0;
 606         case CMD_QUIT:
 607                 return 1;
 608         default:
 609                 /* all the rest require a open database */
 610                 if (!ntdb) {
 611                         bIterate = 0;
 612                         terror(NTDB_SUCCESS, "database not open");
 613                         help();
 614                         return 0;
 615                 }
 616                 switch (mycmd) {
 617                 case CMD_TRANSACTION_START:
 618                         bIterate = 0;
 619                         ntdb_transaction_start(ntdb);
 620                         return 0;
 621                 case CMD_TRANSACTION_COMMIT:
 622                         bIterate = 0;
 623                         ntdb_transaction_commit(ntdb);
 624                         return 0;
 625                 case CMD_TRANSACTION_CANCEL:
 626                         bIterate = 0;
 627                         ntdb_transaction_cancel(ntdb);
 628                         return 0;
 629                 case CMD_ERASE:
 630                         bIterate = 0;
 631                         ntdb_traverse(ntdb, do_delete_fn, NULL);
 632                         return 0;
 633                 case CMD_DUMP:
 634                         bIterate = 0;
 635                         ntdb_traverse(ntdb, print_rec, NULL);
 636                         return 0;
 637                 case CMD_INSERT:
 638                         bIterate = 0;
 639                         insert_ntdb(arg1, arg1len,arg2,arg2len);
 640                         return 0;
 641                 case CMD_MOVE:
 642                         bIterate = 0;
 643                         move_rec(arg1,arg1len,arg2);
 644                         return 0;
 645                 case CMD_STORE:
 646                         bIterate = 0;
 647                         store_ntdb(arg1,arg1len,arg2,arg2len);
 648                         return 0;
 649                 case CMD_SHOW:
 650                         bIterate = 0;
 651                         show_ntdb(arg1, arg1len);
 652                         return 0;
 653                 case CMD_KEYS:
 654                         ntdb_traverse(ntdb, print_key, NULL);
 655                         return 0;
 656                 case CMD_HEXKEYS:
 657                         ntdb_traverse(ntdb, print_hexkey, NULL);
 658                         return 0;
 659                 case CMD_DELETE:
 660                         bIterate = 0;
 661                         delete_ntdb(arg1,arg1len);
 662                         return 0;
 663 #if 0
 664                 case CMD_LIST_HASH_FREE:
 665                         ntdb_dump_all(ntdb);
 666                         return 0;
 667                 case CMD_LIST_FREE:
 668                         ntdb_printfreelist(ntdb);
 669                         return 0;
 670 #endif
 671                 case CMD_INFO:
 672                         info_ntdb();
 673                         return 0;
 674                 case CMD_SPEED:
 675                         speed_ntdb(arg1);
 676                         return 0;
 677                 case CMD_MMAP:
 678                         toggle_mmap();
 679                         return 0;
 680                 case CMD_FIRST:
 681                         bIterate = 1;
 682                         first_record(ntdb, &iterate_kbuf);
 683                         return 0;
 684                 case CMD_NEXT:
 685                         if (bIterate)
 686                                 next_record(ntdb, &iterate_kbuf);
 687                         return 0;
 688                 case CMD_CHECK:
 689                         check_db(ntdb);
 690                         return 0;
 691                 case CMD_HELP:
 692                         help();
 693                         return 0;
 694                 case CMD_CREATE_NTDB:
 695                 case CMD_OPEN_NTDB:
 696                 case CMD_SYSTEM:
 697                 case CMD_QUIT:
 698                         /*
 699                          * unhandled commands.  cases included here to avoid compiler
 700                          * warnings.
 701                          */
 702                         return 0;
 703                 }
 704         }
 705
 706         return 0;
 707 }
 708
 709 static char *convert_string(char *instring, size_t *sizep)
 710 {
 711         size_t length = 0;
 712         char *outp, *inp;
 713         char temp[3];
 714
 715         outp = inp = instring;
 716
 717         while (*inp) {
 718                 if (*inp == '\\') {
 719                         inp++;
 720                         if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
 721                                 temp[0] = *inp++;
 722                                 temp[1] = '\0';
 723                                 if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
 724                                         temp[1] = *inp++;
 725                                         temp[2] = '\0';
 726                                 }
 727                                 *outp++ = (char)strtol((const char *)temp,NULL,16);
 728                         } else {
 729                                 *outp++ = *inp++;
 730                         }
 731                 } else {
 732                         *outp++ = *inp++;
 733                 }
 734                 length++;
 735         }
 736         *sizep = length;
 737         return instring;
 738 }
 739
 740 int main(int argc, char *argv[])
 741 {
 742         cmdname = "";
 743         arg1 = NULL;
 744         arg1len = 0;
 745         arg2 = NULL;
 746         arg2len = 0;
 747
 748         if (argv[1]) {
 749                 cmdname = "open";
 750                 arg1 = argv[1];
 751                 do_command();
 752                 cmdname =  "";
 753                 arg1 = NULL;
 754         }
 755
 756         switch (argc) {
 757         case 1:
 758         case 2:
 759                 /* Interactive mode */
 760                 while ((cmdname = ntdb_getline("ntdb> "))) {
 761                         arg2 = arg1 = NULL;
 762                         if ((arg1 = strchr((const char *)cmdname,' ')) != NULL) {
 763                                 arg1++;
 764                                 arg2 = arg1;
 765                                 while (*arg2) {
 766                                         if (*arg2 == ' ') {
 767                                                 *arg2++ = '\0';
 768                                                 break;
 769                                         }
 770                                         if ((*arg2++ == '\\') && (*arg2 == ' ')) {
 771                                                 arg2++;
 772                                         }
 773                                 }
 774                         }
 775                         if (arg1) arg1 = convert_string(arg1,&arg1len);
 776                         if (arg2) arg2 = convert_string(arg2,&arg2len);
 777                         if (do_command()) break;
 778                 }
 779                 break;
 780         case 5:
 781                 arg2 = convert_string(argv[4],&arg2len);
 782         case 4:
 783                 arg1 = convert_string(argv[3],&arg1len);
 784         case 3:
 785                 cmdname = argv[2];
 786         default:
 787                 do_command();
 788                 break;
 789         }
 790
 791         if (ntdb) ntdb_close(ntdb);
 792
 793         return 0;
 794 }