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