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