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