lib/tdb2/tools/tdb2tool.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 "tdb2.h"
  25 #ifdef HAVE_LIBREPLACE
  26 #include <replace.h>
  27 #include <system/filesys.h>
  28 #include <system/time.h>
  29 #include <system/locale.h>
  30 #else
  31 #include <stdlib.h>
  32 #include <stdio.h>
  33 #include <ctype.h>
  34 #include <sys/time.h>
  35 #include <sys/types.h>
  36 #include <sys/stat.h>
  37 #include <fcntl.h>
  38 #include <errno.h>
  39 #include <string.h>
  40 #include <stdarg.h>
  41 #endif
  42
  43 static int do_command(void);
  44 const char *cmdname;
  45 char *arg1, *arg2;
  46 size_t arg1len, arg2len;
  47 int bIterate = 0;
  48 char *line;
  49 TDB_DATA iterate_kbuf;
  50 char cmdline[1024];
  51 static int disable_mmap;
  52
  53 enum commands {
  54         CMD_CREATE_TDB,
  55         CMD_OPEN_TDB,
  56         CMD_TRANSACTION_START,
  57         CMD_TRANSACTION_COMMIT,
  58         CMD_TRANSACTION_CANCEL,
  59         CMD_ERASE,
  60         CMD_DUMP,
  61         CMD_INSERT,
  62         CMD_MOVE,
  63         CMD_STORE,
  64         CMD_SHOW,
  65         CMD_KEYS,
  66         CMD_HEXKEYS,
  67         CMD_DELETE,
  68 #if 0
  69         CMD_LIST_HASH_FREE,
  70         CMD_LIST_FREE,
  71 #endif
  72         CMD_INFO,
  73         CMD_MMAP,
  74         CMD_SPEED,
  75         CMD_FIRST,
  76         CMD_NEXT,
  77         CMD_SYSTEM,
  78         CMD_CHECK,
  79         CMD_QUIT,
  80         CMD_HELP
  81 };
  82
  83 typedef struct {
  84         const char *name;
  85         enum commands cmd;
  86 } COMMAND_TABLE;
  87
  88 COMMAND_TABLE cmd_table[] = {
  89         {"create",      CMD_CREATE_TDB},
  90         {"open",        CMD_OPEN_TDB},
  91 #if 0
  92         {"transaction_start",   CMD_TRANSACTION_START},
  93         {"transaction_commit",  CMD_TRANSACTION_COMMIT},
  94         {"transaction_cancel",  CMD_TRANSACTION_CANCEL},
  95 #endif
  96         {"erase",       CMD_ERASE},
  97         {"dump",        CMD_DUMP},
  98         {"insert",      CMD_INSERT},
  99         {"move",        CMD_MOVE},
 100         {"store",       CMD_STORE},
 101         {"show",        CMD_SHOW},
 102         {"keys",        CMD_KEYS},
 103         {"hexkeys",     CMD_HEXKEYS},
 104         {"delete",      CMD_DELETE},
 105 #if 0
 106         {"list",        CMD_LIST_HASH_FREE},
 107         {"free",        CMD_LIST_FREE},
 108 #endif
 109         {"info",        CMD_INFO},
 110         {"speed",       CMD_SPEED},
 111         {"mmap",        CMD_MMAP},
 112         {"first",       CMD_FIRST},
 113         {"1",           CMD_FIRST},
 114         {"next",        CMD_NEXT},
 115         {"n",           CMD_NEXT},
 116         {"check",       CMD_CHECK},
 117         {"quit",        CMD_QUIT},
 118         {"q",           CMD_QUIT},
 119         {"!",           CMD_SYSTEM},
 120         {NULL,          CMD_HELP}
 121 };
 122
 123 struct timeval tp1,tp2;
 124
 125 static void _start_timer(void)
 126 {
 127         gettimeofday(&tp1,NULL);
 128 }
 129
 130 static double _end_timer(void)
 131 {
 132         gettimeofday(&tp2,NULL);
 133         return((tp2.tv_sec - tp1.tv_sec) +
 134                (tp2.tv_usec - tp1.tv_usec)*1.0e-6);
 135 }
 136
 137 static void tdb_log(struct tdb_context *tdb,
 138                     enum tdb_log_level level,
 139                     enum TDB_ERROR ecode,
 140                     const char *message,
 141                     void *data)
 142 {
 143         fprintf(stderr, "tdb:%s:%s:%s\n",
 144                 tdb_name(tdb), tdb_errorstr(ecode), message);
 145 }
 146
 147 /* a tdb tool for manipulating a tdb database */
 148
 149 static struct tdb_context *tdb;
 150
 151 static int print_rec(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
 152 static int print_key(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
 153 static int print_hexkey(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
 154
 155 static void print_asc(const char *buf,int len)
 156 {
 157         int i;
 158
 159         /* We're probably printing ASCII strings so don't try to display
 160            the trailing NULL character. */
 161
 162         if (buf[len - 1] == 0)
 163                 len--;
 164
 165         for (i=0;i<len;i++)
 166                 printf("%c",isprint(buf[i])?buf[i]:'.');
 167 }
 168
 169 static void print_data(const char *buf,int len)
 170 {
 171         int i=0;
 172         if (len<=0) return;
 173         printf("[%03X] ",i);
 174         for (i=0;i<len;) {
 175                 printf("%02X ",(int)((unsigned char)buf[i]));
 176                 i++;
 177                 if (i%8 == 0) printf(" ");
 178                 if (i%16 == 0) {
 179                         print_asc(&buf[i-16],8); printf(" ");
 180                         print_asc(&buf[i-8],8); printf("\n");
 181                         if (i<len) printf("[%03X] ",i);
 182                 }
 183         }
 184         if (i%16) {
 185                 int n;
 186
 187                 n = 16 - (i%16);
 188                 printf(" ");
 189                 if (n>8) printf(" ");
 190                 while (n--) printf("   ");
 191
 192                 n = i%16;
 193                 if (n > 8) n = 8;
 194                 print_asc(&buf[i-(i%16)],n); printf(" ");
 195                 n = (i%16) - n;
 196                 if (n>0) print_asc(&buf[i-n],n);
 197                 printf("\n");
 198         }
 199 }
 200
 201 static void help(void)
 202 {
 203         printf("\n"
 204 "tdbtool: \n"
 205 "  create    dbname     : create a database\n"
 206 "  open      dbname     : open an existing database\n"
 207 "  openjh    dbname     : open an existing database (jenkins hash)\n"
 208 "  transaction_start    : start a transaction\n"
 209 "  transaction_commit   : commit a transaction\n"
 210 "  transaction_cancel   : cancel a transaction\n"
 211 "  erase                : erase the database\n"
 212 "  dump                 : dump the database as strings\n"
 213 "  keys                 : dump the database keys as strings\n"
 214 "  hexkeys              : dump the database keys as hex values\n"
 215 "  info                 : print summary info about the database\n"
 216 "  insert    key  data  : insert a record\n"
 217 "  move      key  file  : move a record to a destination tdb\n"
 218 "  store     key  data  : store a record (replace)\n"
 219 "  show      key        : show a record by key\n"
 220 "  delete    key        : delete a record by key\n"
 221 #if 0
 222 "  list                 : print the database hash table and freelist\n"
 223 "  free                 : print the database freelist\n"
 224 #endif
 225 "  check                : check the integrity of an opened database\n"
 226 "  speed                : perform speed tests on the database\n"
 227 "  ! command            : execute system command\n"
 228 "  1 | first            : print the first record\n"
 229 "  n | next             : print the next record\n"
 230 "  q | quit             : terminate\n"
 231 "  \\n                   : repeat 'next' command\n"
 232 "\n");
 233 }
 234
 235 static void terror(enum TDB_ERROR err, const char *why)
 236 {
 237         if (err != TDB_SUCCESS)
 238                 printf("%s:%s\n", tdb_errorstr(err), why);
 239         else
 240                 printf("%s\n", why);
 241 }
 242
 243 static void create_tdb(const char *tdbname)
 244 {
 245         union tdb_attribute log_attr;
 246         log_attr.base.attr = TDB_ATTRIBUTE_LOG;
 247         log_attr.base.next = NULL;
 248         log_attr.log.fn = tdb_log;
 249
 250         if (tdb) tdb_close(tdb);
 251         tdb = tdb_open(tdbname, (disable_mmap?TDB_NOMMAP:0),
 252                        O_RDWR | O_CREAT | O_TRUNC, 0600, &log_attr);
 253         if (!tdb) {
 254                 printf("Could not create %s: %s\n", tdbname, strerror(errno));
 255         }
 256 }
 257
 258 static void open_tdb(const char *tdbname)
 259 {
 260         union tdb_attribute log_attr;
 261         log_attr.base.attr = TDB_ATTRIBUTE_LOG;
 262         log_attr.base.next = NULL;
 263         log_attr.log.fn = tdb_log;
 264
 265         if (tdb) tdb_close(tdb);
 266         tdb = tdb_open(tdbname, disable_mmap?TDB_NOMMAP:0, O_RDWR, 0600,
 267                        &log_attr);
 268         if (!tdb) {
 269                 printf("Could not open %s: %s\n", tdbname, strerror(errno));
 270         }
 271 }
 272
 273 static void insert_tdb(char *keyname, size_t keylen, char* data, size_t datalen)
 274 {
 275         TDB_DATA key, dbuf;
 276         enum TDB_ERROR ecode;
 277
 278         if ((keyname == NULL) || (keylen == 0)) {
 279                 terror(TDB_SUCCESS, "need key");
 280                 return;
 281         }
 282
 283         key.dptr = (unsigned char *)keyname;
 284         key.dsize = keylen;
 285         dbuf.dptr = (unsigned char *)data;
 286         dbuf.dsize = datalen;
 287
 288         ecode = tdb_store(tdb, key, dbuf, TDB_INSERT);
 289         if (ecode) {
 290                 terror(ecode, "insert failed");
 291         }
 292 }
 293
 294 static void store_tdb(char *keyname, size_t keylen, char* data, size_t datalen)
 295 {
 296         TDB_DATA key, dbuf;
 297         enum TDB_ERROR ecode;
 298
 299         if ((keyname == NULL) || (keylen == 0)) {
 300                 terror(TDB_SUCCESS, "need key");
 301                 return;
 302         }
 303
 304         if ((data == NULL) || (datalen == 0)) {
 305                 terror(TDB_SUCCESS, "need data");
 306                 return;
 307         }
 308
 309         key.dptr = (unsigned char *)keyname;
 310         key.dsize = keylen;
 311         dbuf.dptr = (unsigned char *)data;
 312         dbuf.dsize = datalen;
 313
 314         printf("Storing key:\n");
 315         print_rec(tdb, key, dbuf, NULL);
 316
 317         ecode = tdb_store(tdb, key, dbuf, TDB_REPLACE);
 318         if (ecode) {
 319                 terror(ecode, "store failed");
 320         }
 321 }
 322
 323 static void show_tdb(char *keyname, size_t keylen)
 324 {
 325         TDB_DATA key, dbuf;
 326         enum TDB_ERROR ecode;
 327
 328         if ((keyname == NULL) || (keylen == 0)) {
 329                 terror(TDB_SUCCESS, "need key");
 330                 return;
 331         }
 332
 333         key.dptr = (unsigned char *)keyname;
 334         key.dsize = keylen;
 335
 336         ecode = tdb_fetch(tdb, key, &dbuf);
 337         if (ecode) {
 338                 terror(ecode, "fetch failed");
 339                 return;
 340         }
 341
 342         print_rec(tdb, key, dbuf, NULL);
 343
 344         free( dbuf.dptr );
 345 }
 346
 347 static void delete_tdb(char *keyname, size_t keylen)
 348 {
 349         TDB_DATA key;
 350         enum TDB_ERROR ecode;
 351
 352         if ((keyname == NULL) || (keylen == 0)) {
 353                 terror(TDB_SUCCESS, "need key");
 354                 return;
 355         }
 356
 357         key.dptr = (unsigned char *)keyname;
 358         key.dsize = keylen;
 359
 360         ecode = tdb_delete(tdb, key);
 361         if (ecode) {
 362                 terror(ecode, "delete failed");
 363         }
 364 }
 365
 366 static void move_rec(char *keyname, size_t keylen, char* tdbname)
 367 {
 368         TDB_DATA key, dbuf;
 369         struct tdb_context *dst_tdb;
 370         enum TDB_ERROR ecode;
 371
 372         if ((keyname == NULL) || (keylen == 0)) {
 373                 terror(TDB_SUCCESS, "need key");
 374                 return;
 375         }
 376
 377         if ( !tdbname ) {
 378                 terror(TDB_SUCCESS, "need destination tdb name");
 379                 return;
 380         }
 381
 382         key.dptr = (unsigned char *)keyname;
 383         key.dsize = keylen;
 384
 385         ecode = tdb_fetch(tdb, key, &dbuf);
 386         if (ecode) {
 387                 terror(ecode, "fetch failed");
 388                 return;
 389         }
 390
 391         print_rec(tdb, key, dbuf, NULL);
 392
 393         dst_tdb = tdb_open(tdbname, 0, O_RDWR, 0600, NULL);
 394         if ( !dst_tdb ) {
 395                 terror(TDB_SUCCESS, "unable to open destination tdb");
 396                 return;
 397         }
 398
 399         ecode = tdb_store( dst_tdb, key, dbuf, TDB_REPLACE);
 400         if (ecode)
 401                 terror(ecode, "failed to move record");
 402         else
 403                 printf("record moved\n");
 404
 405         tdb_close( dst_tdb );
 406 }
 407
 408 static int print_rec(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 409 {
 410         printf("\nkey %d bytes\n", (int)key.dsize);
 411         print_asc((const char *)key.dptr, key.dsize);
 412         printf("\ndata %d bytes\n", (int)dbuf.dsize);
 413         print_data((const char *)dbuf.dptr, dbuf.dsize);
 414         return 0;
 415 }
 416
 417 static int print_key(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 418 {
 419         printf("key %d bytes: ", (int)key.dsize);
 420         print_asc((const char *)key.dptr, key.dsize);
 421         printf("\n");
 422         return 0;
 423 }
 424
 425 static int print_hexkey(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 426 {
 427         printf("key %d bytes\n", (int)key.dsize);
 428         print_data((const char *)key.dptr, key.dsize);
 429         printf("\n");
 430         return 0;
 431 }
 432
 433 static int total_bytes;
 434
 435 static int traverse_fn(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 436 {
 437         total_bytes += dbuf.dsize;
 438         return 0;
 439 }
 440
 441 static void info_tdb(void)
 442 {
 443         enum TDB_ERROR ecode;
 444         char *summary;
 445
 446         ecode = tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS, &summary);
 447
 448         if (ecode) {
 449                 terror(ecode, "Getting summary");
 450         } else {
 451                 printf("%s", summary);
 452                 free(summary);
 453         }
 454 }
 455
 456 static void speed_tdb(const char *tlimit)
 457 {
 458         unsigned timelimit = tlimit?atoi(tlimit):0;
 459         double t;
 460         int ops;
 461         if (timelimit == 0) timelimit = 5;
 462
 463         ops = 0;
 464         printf("Testing store speed for %u seconds\n", timelimit);
 465         _start_timer();
 466         do {
 467                 long int r = random();
 468                 TDB_DATA key, dbuf;
 469                 key = tdb_mkdata("store test", strlen("store test"));
 470                 dbuf.dptr = (unsigned char *)&r;
 471                 dbuf.dsize = sizeof(r);
 472                 tdb_store(tdb, key, dbuf, TDB_REPLACE);
 473                 t = _end_timer();
 474                 ops++;
 475         } while (t < timelimit);
 476         printf("%10.3f ops/sec\n", ops/t);
 477
 478         ops = 0;
 479         printf("Testing fetch speed for %u seconds\n", timelimit);
 480         _start_timer();
 481         do {
 482                 long int r = random();
 483                 TDB_DATA key, dbuf;
 484                 key = tdb_mkdata("store test", strlen("store test"));
 485                 dbuf.dptr = (unsigned char *)&r;
 486                 dbuf.dsize = sizeof(r);
 487                 tdb_fetch(tdb, key, &dbuf);
 488                 t = _end_timer();
 489                 ops++;
 490         } while (t < timelimit);
 491         printf("%10.3f ops/sec\n", ops/t);
 492
 493         ops = 0;
 494         printf("Testing transaction speed for %u seconds\n", timelimit);
 495         _start_timer();
 496         do {
 497                 long int r = random();
 498                 TDB_DATA key, dbuf;
 499                 key = tdb_mkdata("transaction test", strlen("transaction test"));
 500                 dbuf.dptr = (unsigned char *)&r;
 501                 dbuf.dsize = sizeof(r);
 502                 tdb_transaction_start(tdb);
 503                 tdb_store(tdb, key, dbuf, TDB_REPLACE);
 504                 tdb_transaction_commit(tdb);
 505                 t = _end_timer();
 506                 ops++;
 507         } while (t < timelimit);
 508         printf("%10.3f ops/sec\n", ops/t);
 509
 510         ops = 0;
 511         printf("Testing traverse speed for %u seconds\n", timelimit);
 512         _start_timer();
 513         do {
 514                 tdb_traverse(tdb, traverse_fn, NULL);
 515                 t = _end_timer();
 516                 ops++;
 517         } while (t < timelimit);
 518         printf("%10.3f ops/sec\n", ops/t);
 519 }
 520
 521 static void toggle_mmap(void)
 522 {
 523         disable_mmap = !disable_mmap;
 524         if (disable_mmap) {
 525                 printf("mmap is disabled\n");
 526         } else {
 527                 printf("mmap is enabled\n");
 528         }
 529 }
 530
 531 static char *tdb_getline(const char *prompt)
 532 {
 533         static char thisline[1024];
 534         char *p;
 535         fputs(prompt, stdout);
 536         thisline[0] = 0;
 537         p = fgets(thisline, sizeof(thisline)-1, stdin);
 538         if (p) p = strchr(p, '\n');
 539         if (p) *p = 0;
 540         return p?thisline:NULL;
 541 }
 542
 543 static int do_delete_fn(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf,
 544                      void *state)
 545 {
 546     return tdb_delete(the_tdb, key);
 547 }
 548
 549 static void first_record(struct tdb_context *the_tdb, TDB_DATA *pkey)
 550 {
 551         TDB_DATA dbuf;
 552         enum TDB_ERROR ecode;
 553         ecode = tdb_firstkey(the_tdb, pkey);
 554         if (!ecode)
 555                 ecode = tdb_fetch(the_tdb, *pkey, &dbuf);
 556         if (ecode) terror(ecode, "fetch failed");
 557         else {
 558                 print_rec(the_tdb, *pkey, dbuf, NULL);
 559         }
 560 }
 561
 562 static void next_record(struct tdb_context *the_tdb, TDB_DATA *pkey)
 563 {
 564         TDB_DATA dbuf;
 565         enum TDB_ERROR ecode;
 566         ecode = tdb_nextkey(the_tdb, pkey);
 567
 568         if (!ecode)
 569                 ecode = tdb_fetch(the_tdb, *pkey, &dbuf);
 570         if (ecode)
 571                 terror(ecode, "fetch failed");
 572         else
 573                 print_rec(the_tdb, *pkey, dbuf, NULL);
 574 }
 575
 576 static void check_db(struct tdb_context *the_tdb)
 577 {
 578         if (!the_tdb) {
 579                 printf("Error: No database opened!\n");
 580         } else {
 581                 if (tdb_check(the_tdb, NULL, NULL) != 0)
 582                         printf("Integrity check for the opened database failed.\n");
 583                 else
 584                         printf("Database integrity is OK.\n");
 585         }
 586 }
 587
 588 static int do_command(void)
 589 {
 590         COMMAND_TABLE *ctp = cmd_table;
 591         enum commands mycmd = CMD_HELP;
 592         int cmd_len;
 593
 594         if (cmdname && strlen(cmdname) == 0) {
 595                 mycmd = CMD_NEXT;
 596         } else {
 597                 while (ctp->name) {
 598                         cmd_len = strlen(ctp->name);
 599                         if (strncmp(ctp->name,cmdname,cmd_len) == 0) {
 600                                 mycmd = ctp->cmd;
 601                                 break;
 602                         }
 603                         ctp++;
 604                 }
 605         }
 606
 607         switch (mycmd) {
 608         case CMD_CREATE_TDB:
 609                 bIterate = 0;
 610                 create_tdb(arg1);
 611                 return 0;
 612         case CMD_OPEN_TDB:
 613                 bIterate = 0;
 614                 open_tdb(arg1);
 615                 return 0;
 616         case CMD_SYSTEM:
 617                 /* Shell command */
 618                 if (system(arg1) == -1) {
 619                         terror(TDB_SUCCESS, "system() call failed\n");
 620                 }
 621                 return 0;
 622         case CMD_QUIT:
 623                 return 1;
 624         default:
 625                 /* all the rest require a open database */
 626                 if (!tdb) {
 627                         bIterate = 0;
 628                         terror(TDB_SUCCESS, "database not open");
 629                         help();
 630                         return 0;
 631                 }
 632                 switch (mycmd) {
 633                 case CMD_TRANSACTION_START:
 634                         bIterate = 0;
 635                         tdb_transaction_start(tdb);
 636                         return 0;
 637                 case CMD_TRANSACTION_COMMIT:
 638                         bIterate = 0;
 639                         tdb_transaction_commit(tdb);
 640                         return 0;
 641                 case CMD_TRANSACTION_CANCEL:
 642                         bIterate = 0;
 643                         tdb_transaction_cancel(tdb);
 644                         return 0;
 645                 case CMD_ERASE:
 646                         bIterate = 0;
 647                         tdb_traverse(tdb, do_delete_fn, NULL);
 648                         return 0;
 649                 case CMD_DUMP:
 650                         bIterate = 0;
 651                         tdb_traverse(tdb, print_rec, NULL);
 652                         return 0;
 653                 case CMD_INSERT:
 654                         bIterate = 0;
 655                         insert_tdb(arg1, arg1len,arg2,arg2len);
 656                         return 0;
 657                 case CMD_MOVE:
 658                         bIterate = 0;
 659                         move_rec(arg1,arg1len,arg2);
 660                         return 0;
 661                 case CMD_STORE:
 662                         bIterate = 0;
 663                         store_tdb(arg1,arg1len,arg2,arg2len);
 664                         return 0;
 665                 case CMD_SHOW:
 666                         bIterate = 0;
 667                         show_tdb(arg1, arg1len);
 668                         return 0;
 669                 case CMD_KEYS:
 670                         tdb_traverse(tdb, print_key, NULL);
 671                         return 0;
 672                 case CMD_HEXKEYS:
 673                         tdb_traverse(tdb, print_hexkey, NULL);
 674                         return 0;
 675                 case CMD_DELETE:
 676                         bIterate = 0;
 677                         delete_tdb(arg1,arg1len);
 678                         return 0;
 679 #if 0
 680                 case CMD_LIST_HASH_FREE:
 681                         tdb_dump_all(tdb);
 682                         return 0;
 683                 case CMD_LIST_FREE:
 684                         tdb_printfreelist(tdb);
 685                         return 0;
 686 #endif
 687                 case CMD_INFO:
 688                         info_tdb();
 689                         return 0;
 690                 case CMD_SPEED:
 691                         speed_tdb(arg1);
 692                         return 0;
 693                 case CMD_MMAP:
 694                         toggle_mmap();
 695                         return 0;
 696                 case CMD_FIRST:
 697                         bIterate = 1;
 698                         first_record(tdb, &iterate_kbuf);
 699                         return 0;
 700                 case CMD_NEXT:
 701                         if (bIterate)
 702                                 next_record(tdb, &iterate_kbuf);
 703                         return 0;
 704                 case CMD_CHECK:
 705                         check_db(tdb);
 706                         return 0;
 707                 case CMD_HELP:
 708                         help();
 709                         return 0;
 710                 case CMD_CREATE_TDB:
 711                 case CMD_OPEN_TDB:
 712                 case CMD_SYSTEM:
 713                 case CMD_QUIT:
 714                         /*
 715                          * unhandled commands.  cases included here to avoid compiler
 716                          * warnings.
 717                          */
 718                         return 0;
 719                 }
 720         }
 721
 722         return 0;
 723 }
 724
 725 static char *convert_string(char *instring, size_t *sizep)
 726 {
 727         size_t length = 0;
 728         char *outp, *inp;
 729         char temp[3];
 730
 731         outp = inp = instring;
 732
 733         while (*inp) {
 734                 if (*inp == '\\') {
 735                         inp++;
 736                         if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
 737                                 temp[0] = *inp++;
 738                                 temp[1] = '\0';
 739                                 if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
 740                                         temp[1] = *inp++;
 741                                         temp[2] = '\0';
 742                                 }
 743                                 *outp++ = (char)strtol((const char *)temp,NULL,16);
 744                         } else {
 745                                 *outp++ = *inp++;
 746                         }
 747                 } else {
 748                         *outp++ = *inp++;
 749                 }
 750                 length++;
 751         }
 752         *sizep = length;
 753         return instring;
 754 }
 755
 756 int main(int argc, char *argv[])
 757 {
 758         cmdname = "";
 759         arg1 = NULL;
 760         arg1len = 0;
 761         arg2 = NULL;
 762         arg2len = 0;
 763
 764         if (argv[1]) {
 765                 cmdname = "open";
 766                 arg1 = argv[1];
 767                 do_command();
 768                 cmdname =  "";
 769                 arg1 = NULL;
 770         }
 771
 772         switch (argc) {
 773         case 1:
 774         case 2:
 775                 /* Interactive mode */
 776                 while ((cmdname = tdb_getline("tdb> "))) {
 777                         arg2 = arg1 = NULL;
 778                         if ((arg1 = strchr((const char *)cmdname,' ')) != NULL) {
 779                                 arg1++;
 780                                 arg2 = arg1;
 781                                 while (*arg2) {
 782                                         if (*arg2 == ' ') {
 783                                                 *arg2++ = '\0';
 784                                                 break;
 785                                         }
 786                                         if ((*arg2++ == '\\') && (*arg2 == ' ')) {
 787                                                 arg2++;
 788                                         }
 789                                 }
 790                         }
 791                         if (arg1) arg1 = convert_string(arg1,&arg1len);
 792                         if (arg2) arg2 = convert_string(arg2,&arg2len);
 793                         if (do_command()) break;
 794                 }
 795                 break;
 796         case 5:
 797                 arg2 = convert_string(argv[4],&arg2len);
 798         case 4:
 799                 arg1 = convert_string(argv[3],&arg1len);
 800         case 3:
 801                 cmdname = argv[2];
 802         default:
 803                 do_command();
 804                 break;
 805         }
 806
 807         if (tdb) tdb_close(tdb);
 808
 809         return 0;
 810 }