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 "  speed                : perform speed tests on the database\n"
 186 "  ! command            : execute system command\n"
 187 "  1 | first            : print the first record\n"
 188 "  n | next             : print the next record\n"
 189 "  q | quit             : terminate\n"
 190 "  \\n                   : repeat 'next' command\n"
 191 "\n");
 192 }
 193
 194 static void terror(const char *why)
 195 {
 196         printf("%s\n", why);
 197 }
 198
 199 static void create_tdb(const char *tdbname)
 200 {
 201         if (tdb) tdb_close(tdb);
 202         tdb = tdb_open(tdbname, 0, TDB_CLEAR_IF_FIRST | (disable_mmap?TDB_NOMMAP:0),
 203                        O_RDWR | O_CREAT | O_TRUNC, 0600);
 204         if (!tdb) {
 205                 printf("Could not create %s: %s\n", tdbname, strerror(errno));
 206         }
 207 }
 208
 209 static void open_tdb(const char *tdbname)
 210 {
 211         if (tdb) tdb_close(tdb);
 212         tdb = tdb_open(tdbname, 0, disable_mmap?TDB_NOMMAP:0, O_RDWR, 0600);
 213         if (!tdb) {
 214                 printf("Could not open %s: %s\n", tdbname, strerror(errno));
 215         }
 216 }
 217
 218 static void insert_tdb(char *keyname, size_t keylen, char* data, size_t datalen)
 219 {
 220         TDB_DATA key, dbuf;
 221
 222         if ((keyname == NULL) || (keylen == 0)) {
 223                 terror("need key");
 224                 return;
 225         }
 226
 227         key.dptr = (unsigned char *)keyname;
 228         key.dsize = keylen;
 229         dbuf.dptr = (unsigned char *)data;
 230         dbuf.dsize = datalen;
 231
 232         if (tdb_store(tdb, key, dbuf, TDB_INSERT) == -1) {
 233                 terror("insert failed");
 234         }
 235 }
 236
 237 static void store_tdb(char *keyname, size_t keylen, char* data, size_t datalen)
 238 {
 239         TDB_DATA key, dbuf;
 240
 241         if ((keyname == NULL) || (keylen == 0)) {
 242                 terror("need key");
 243                 return;
 244         }
 245
 246         if ((data == NULL) || (datalen == 0)) {
 247                 terror("need data");
 248                 return;
 249         }
 250
 251         key.dptr = (unsigned char *)keyname;
 252         key.dsize = keylen;
 253         dbuf.dptr = (unsigned char *)data;
 254         dbuf.dsize = datalen;
 255
 256         printf("Storing key:\n");
 257         print_rec(tdb, key, dbuf, NULL);
 258
 259         if (tdb_store(tdb, key, dbuf, TDB_REPLACE) == -1) {
 260                 terror("store failed");
 261         }
 262 }
 263
 264 static void show_tdb(char *keyname, size_t keylen)
 265 {
 266         TDB_DATA key, dbuf;
 267
 268         if ((keyname == NULL) || (keylen == 0)) {
 269                 terror("need key");
 270                 return;
 271         }
 272
 273         key.dptr = (unsigned char *)keyname;
 274         key.dsize = keylen;
 275
 276         dbuf = tdb_fetch(tdb, key);
 277         if (!dbuf.dptr) {
 278             terror("fetch failed");
 279             return;
 280         }
 281
 282         print_rec(tdb, key, dbuf, NULL);
 283
 284         free( dbuf.dptr );
 285
 286         return;
 287 }
 288
 289 static void delete_tdb(char *keyname, size_t keylen)
 290 {
 291         TDB_DATA key;
 292
 293         if ((keyname == NULL) || (keylen == 0)) {
 294                 terror("need key");
 295                 return;
 296         }
 297
 298         key.dptr = (unsigned char *)keyname;
 299         key.dsize = keylen;
 300
 301         if (tdb_delete(tdb, key) != 0) {
 302                 terror("delete failed");
 303         }
 304 }
 305
 306 static void move_rec(char *keyname, size_t keylen, char* tdbname)
 307 {
 308         TDB_DATA key, dbuf;
 309         TDB_CONTEXT *dst_tdb;
 310
 311         if ((keyname == NULL) || (keylen == 0)) {
 312                 terror("need key");
 313                 return;
 314         }
 315
 316         if ( !tdbname ) {
 317                 terror("need destination tdb name");
 318                 return;
 319         }
 320
 321         key.dptr = (unsigned char *)keyname;
 322         key.dsize = keylen;
 323
 324         dbuf = tdb_fetch(tdb, key);
 325         if (!dbuf.dptr) {
 326                 terror("fetch failed");
 327                 return;
 328         }
 329
 330         print_rec(tdb, key, dbuf, NULL);
 331
 332         dst_tdb = tdb_open(tdbname, 0, 0, O_RDWR, 0600);
 333         if ( !dst_tdb ) {
 334                 terror("unable to open destination tdb");
 335                 return;
 336         }
 337
 338         if ( tdb_store( dst_tdb, key, dbuf, TDB_REPLACE ) == -1 ) {
 339                 terror("failed to move record");
 340         }
 341         else
 342                 printf("record moved\n");
 343
 344         tdb_close( dst_tdb );
 345
 346         return;
 347 }
 348
 349 static int print_rec(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 350 {
 351         printf("\nkey %d bytes\n", (int)key.dsize);
 352         print_asc((const char *)key.dptr, key.dsize);
 353         printf("\ndata %d bytes\n", (int)dbuf.dsize);
 354         print_data((const char *)dbuf.dptr, dbuf.dsize);
 355         return 0;
 356 }
 357
 358 static int print_key(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 359 {
 360         printf("key %d bytes: ", (int)key.dsize);
 361         print_asc((const char *)key.dptr, key.dsize);
 362         printf("\n");
 363         return 0;
 364 }
 365
 366 static int print_hexkey(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 367 {
 368         printf("key %d bytes\n", (int)key.dsize);
 369         print_data((const char *)key.dptr, key.dsize);
 370         printf("\n");
 371         return 0;
 372 }
 373
 374 static int total_bytes;
 375
 376 static int traverse_fn(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 377 {
 378         total_bytes += dbuf.dsize;
 379         return 0;
 380 }
 381
 382 static void info_tdb(void)
 383 {
 384         int count;
 385         total_bytes = 0;
 386         if ((count = tdb_traverse(tdb, traverse_fn, NULL)) == -1)
 387                 printf("Error = %s\n", tdb_errorstr(tdb));
 388         else
 389                 printf("%d records totalling %d bytes\n", count, total_bytes);
 390 }
 391
 392 static void speed_tdb(const char *tlimit)
 393 {
 394         unsigned timelimit = tlimit?atoi(tlimit):0;
 395         double t;
 396         int ops;
 397         if (timelimit == 0) timelimit = 5;
 398
 399         ops = 0;
 400         printf("Testing store speed for %u seconds\n", timelimit);
 401         _start_timer();
 402         do {
 403                 long int r = random();
 404                 TDB_DATA key, dbuf;
 405                 key.dptr = (unsigned char *)"store test";
 406                 key.dsize = strlen((char *)key.dptr);
 407                 dbuf.dptr = (unsigned char *)&r;
 408                 dbuf.dsize = sizeof(r);
 409                 tdb_store(tdb, key, dbuf, TDB_REPLACE);
 410                 t = _end_timer();
 411                 ops++;
 412         } while (t < timelimit);
 413         printf("%10.3f ops/sec\n", ops/t);
 414
 415         ops = 0;
 416         printf("Testing fetch speed for %u seconds\n", timelimit);
 417         _start_timer();
 418         do {
 419                 long int r = random();
 420                 TDB_DATA key, dbuf;
 421                 key.dptr = (unsigned char *)"store test";
 422                 key.dsize = strlen((char *)key.dptr);
 423                 dbuf.dptr = (unsigned char *)&r;
 424                 dbuf.dsize = sizeof(r);
 425                 tdb_fetch(tdb, key);
 426                 t = _end_timer();
 427                 ops++;
 428         } while (t < timelimit);
 429         printf("%10.3f ops/sec\n", ops/t);
 430
 431         ops = 0;
 432         printf("Testing transaction speed for %u seconds\n", timelimit);
 433         _start_timer();
 434         do {
 435                 long int r = random();
 436                 TDB_DATA key, dbuf;
 437                 key.dptr = (unsigned char *)"transaction test";
 438                 key.dsize = strlen((char *)key.dptr);
 439                 dbuf.dptr = (unsigned char *)&r;
 440                 dbuf.dsize = sizeof(r);
 441                 tdb_transaction_start(tdb);
 442                 tdb_store(tdb, key, dbuf, TDB_REPLACE);
 443                 tdb_transaction_commit(tdb);
 444                 t = _end_timer();
 445                 ops++;
 446         } while (t < timelimit);
 447         printf("%10.3f ops/sec\n", ops/t);
 448
 449         ops = 0;
 450         printf("Testing traverse speed for %u seconds\n", timelimit);
 451         _start_timer();
 452         do {
 453                 tdb_traverse(tdb, traverse_fn, NULL);
 454                 t = _end_timer();
 455                 ops++;
 456         } while (t < timelimit);
 457         printf("%10.3f ops/sec\n", ops/t);
 458 }
 459
 460 static void toggle_mmap(void)
 461 {
 462         disable_mmap = !disable_mmap;
 463         if (disable_mmap) {
 464                 printf("mmap is disabled\n");
 465         } else {
 466                 printf("mmap is enabled\n");
 467         }
 468 }
 469
 470 static char *tdb_getline(const char *prompt)
 471 {
 472         static char thisline[1024];
 473         char *p;
 474         fputs(prompt, stdout);
 475         thisline[0] = 0;
 476         p = fgets(thisline, sizeof(thisline)-1, stdin);
 477         if (p) p = strchr(p, '\n');
 478         if (p) *p = 0;
 479         return p?thisline:NULL;
 480 }
 481
 482 static int do_delete_fn(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf,
 483                      void *state)
 484 {
 485     return tdb_delete(the_tdb, key);
 486 }
 487
 488 static void first_record(TDB_CONTEXT *the_tdb, TDB_DATA *pkey)
 489 {
 490         TDB_DATA dbuf;
 491         *pkey = tdb_firstkey(the_tdb);
 492
 493         dbuf = tdb_fetch(the_tdb, *pkey);
 494         if (!dbuf.dptr) terror("fetch failed");
 495         else {
 496                 print_rec(the_tdb, *pkey, dbuf, NULL);
 497         }
 498 }
 499
 500 static void next_record(TDB_CONTEXT *the_tdb, TDB_DATA *pkey)
 501 {
 502         TDB_DATA dbuf;
 503         *pkey = tdb_nextkey(the_tdb, *pkey);
 504
 505         dbuf = tdb_fetch(the_tdb, *pkey);
 506         if (!dbuf.dptr)
 507                 terror("fetch failed");
 508         else
 509                 print_rec(the_tdb, *pkey, dbuf, NULL);
 510 }
 511
 512 static int test_fn(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 513 {
 514         return 0;
 515 }
 516
 517 static void check_db(TDB_CONTEXT *the_tdb)
 518 {
 519         int tdbcount=-1;
 520         if (the_tdb) {
 521                 tdbcount = tdb_traverse(the_tdb, test_fn, NULL);
 522         } else {
 523                 printf("Error: No database opened!\n");
 524         }
 525
 526         if (tdbcount<0) {
 527                 printf("Integrity check for the opened database failed.\n");
 528         } else {
 529                 printf("Database integrity is OK and has %d records.\n", tdbcount);
 530         }
 531 }
 532
 533 static int do_command(void)
 534 {
 535         COMMAND_TABLE *ctp = cmd_table;
 536         enum commands mycmd = CMD_HELP;
 537         int cmd_len;
 538
 539         if (cmdname && strlen(cmdname) == 0) {
 540             mycmd = CMD_NEXT;
 541         } else {
 542             while (ctp->name) {
 543                 cmd_len = strlen(ctp->name);
 544                 if (strncmp(ctp->name,cmdname,cmd_len) == 0) {
 545                         mycmd = ctp->cmd;
 546                         break;
 547                 }
 548                 ctp++;
 549             }
 550         }
 551
 552         switch (mycmd) {
 553         case CMD_CREATE_TDB:
 554             bIterate = 0;
 555             create_tdb(arg1);
 556             return 0;
 557         case CMD_OPEN_TDB:
 558             bIterate = 0;
 559             open_tdb(arg1);
 560             return 0;
 561         case CMD_SYSTEM:
 562             /* Shell command */
 563             if (system(arg1) == -1) {
 564                 terror("system() call failed\n");
 565             }
 566             return 0;
 567         case CMD_QUIT:
 568             return 1;
 569         default:
 570             /* all the rest require a open database */
 571             if (!tdb) {
 572                 bIterate = 0;
 573                 terror("database not open");
 574                 help();
 575                 return 0;
 576             }
 577             switch (mycmd) {
 578             case CMD_ERASE:
 579                 bIterate = 0;
 580                 tdb_traverse(tdb, do_delete_fn, NULL);
 581                 return 0;
 582             case CMD_DUMP:
 583                 bIterate = 0;
 584                 tdb_traverse(tdb, print_rec, NULL);
 585                 return 0;
 586             case CMD_INSERT:
 587                 bIterate = 0;
 588                 insert_tdb(arg1, arg1len,arg2,arg2len);
 589                 return 0;
 590             case CMD_MOVE:
 591                 bIterate = 0;
 592                 move_rec(arg1,arg1len,arg2);
 593                 return 0;
 594             case CMD_STORE:
 595                 bIterate = 0;
 596                 store_tdb(arg1,arg1len,arg2,arg2len);
 597                 return 0;
 598             case CMD_SHOW:
 599                 bIterate = 0;
 600                 show_tdb(arg1, arg1len);
 601                 return 0;
 602             case CMD_KEYS:
 603                 tdb_traverse(tdb, print_key, NULL);
 604                 return 0;
 605             case CMD_HEXKEYS:
 606                 tdb_traverse(tdb, print_hexkey, NULL);
 607                 return 0;
 608             case CMD_DELETE:
 609                 bIterate = 0;
 610                 delete_tdb(arg1,arg1len);
 611                 return 0;
 612             case CMD_LIST_HASH_FREE:
 613                 tdb_dump_all(tdb);
 614                 return 0;
 615             case CMD_LIST_FREE:
 616                 tdb_printfreelist(tdb);
 617                 return 0;
 618             case CMD_INFO:
 619                 info_tdb();
 620                 return 0;
 621             case CMD_SPEED:
 622                 speed_tdb(arg1);
 623                 return 0;
 624             case CMD_MMAP:
 625                 toggle_mmap();
 626                 return 0;
 627             case CMD_FIRST:
 628                 bIterate = 1;
 629                 first_record(tdb, &iterate_kbuf);
 630                 return 0;
 631             case CMD_NEXT:
 632                if (bIterate)
 633                   next_record(tdb, &iterate_kbuf);
 634                 return 0;
 635             case CMD_CHECK:
 636                 check_db(tdb);
 637                 return 0;
 638             case CMD_HELP:
 639                 help();
 640                 return 0;
 641             case CMD_CREATE_TDB:
 642             case CMD_OPEN_TDB:
 643             case CMD_SYSTEM:
 644             case CMD_QUIT:
 645                 /*
 646                  * unhandled commands.  cases included here to avoid compiler
 647                  * warnings.
 648                  */
 649                 return 0;
 650             }
 651         }
 652
 653         return 0;
 654 }
 655
 656 static char *convert_string(char *instring, size_t *sizep)
 657 {
 658     size_t length = 0;
 659     char *outp, *inp;
 660     char temp[3];
 661
 662
 663     outp = inp = instring;
 664
 665     while (*inp) {
 666         if (*inp == '\\') {
 667             inp++;
 668             if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
 669                 temp[0] = *inp++;
 670                 temp[1] = '\0';
 671                 if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
 672                     temp[1] = *inp++;
 673                     temp[2] = '\0';
 674                 }
 675                 *outp++ = (char)strtol((const char *)temp,NULL,16);
 676             } else {
 677                 *outp++ = *inp++;
 678             }
 679         } else {
 680             *outp++ = *inp++;
 681         }
 682         length++;
 683     }
 684     *sizep = length;
 685     return instring;
 686 }
 687
 688 int main(int argc, char *argv[])
 689 {
 690     cmdname = "";
 691     arg1 = NULL;
 692     arg1len = 0;
 693     arg2 = NULL;
 694     arg2len = 0;
 695
 696     if (argv[1]) {
 697         cmdname = "open";
 698         arg1 = argv[1];
 699         do_command();
 700         cmdname =  "";
 701         arg1 = NULL;
 702     }
 703
 704     switch (argc) {
 705         case 1:
 706         case 2:
 707             /* Interactive mode */
 708             while ((cmdname = tdb_getline("tdb> "))) {
 709                 arg2 = arg1 = NULL;
 710                 if ((arg1 = strchr((const char *)cmdname,' ')) != NULL) {
 711                     arg1++;
 712                     arg2 = arg1;
 713                     while (*arg2) {
 714                         if (*arg2 == ' ') {
 715                             *arg2++ = '\0';
 716                             break;
 717                         }
 718                         if ((*arg2++ == '\\') && (*arg2 == ' ')) {
 719                             arg2++;
 720                         }
 721                     }
 722                 }
 723                 if (arg1) arg1 = convert_string(arg1,&arg1len);
 724                 if (arg2) arg2 = convert_string(arg2,&arg2len);
 725                 if (do_command()) break;
 726             }
 727             break;
 728         case 5:
 729             arg2 = convert_string(argv[4],&arg2len);
 730         case 4:
 731             arg1 = convert_string(argv[3],&arg1len);
 732         case 3:
 733             cmdname = argv[2];
 734         default:
 735             do_command();
 736             break;
 737     }
 738
 739     if (tdb) tdb_close(tdb);
 740
 741     return 0;
 742 }