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 static int _disable_lock;
  40
  41 enum commands {
  42         CMD_CREATE_TDB,
  43         CMD_OPEN_TDB,
  44         CMD_TRANSACTION_START,
  45         CMD_TRANSACTION_COMMIT,
  46         CMD_TRANSACTION_CANCEL,
  47         CMD_ERASE,
  48         CMD_DUMP,
  49         CMD_INSERT,
  50         CMD_MOVE,
  51         CMD_STOREHEX,
  52         CMD_STORE,
  53         CMD_SHOW,
  54         CMD_KEYS,
  55         CMD_HEXKEYS,
  56         CMD_DELETE,
  57         CMD_LIST_HASH_FREE,
  58         CMD_LIST_FREE,
  59         CMD_FREELIST_SIZE,
  60         CMD_INFO,
  61         CMD_MMAP,
  62         CMD_SPEED,
  63         CMD_FIRST,
  64         CMD_NEXT,
  65         CMD_SYSTEM,
  66         CMD_CHECK,
  67         CMD_REPACK,
  68         CMD_QUIT,
  69         CMD_HELP
  70 };
  71
  72 typedef struct {
  73         const char *name;
  74         enum commands cmd;
  75 } COMMAND_TABLE;
  76
  77 COMMAND_TABLE cmd_table[] = {
  78         {"create",      CMD_CREATE_TDB},
  79         {"open",        CMD_OPEN_TDB},
  80         {"transaction_start",   CMD_TRANSACTION_START},
  81         {"transaction_commit",  CMD_TRANSACTION_COMMIT},
  82         {"transaction_cancel",  CMD_TRANSACTION_CANCEL},
  83         {"erase",       CMD_ERASE},
  84         {"dump",        CMD_DUMP},
  85         {"insert",      CMD_INSERT},
  86         {"move",        CMD_MOVE},
  87         {"storehex",    CMD_STOREHEX},
  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         {"freelist_size",       CMD_FREELIST_SIZE},
  96         {"info",        CMD_INFO},
  97         {"speed",       CMD_SPEED},
  98         {"mmap",        CMD_MMAP},
  99         {"first",       CMD_FIRST},
 100         {"1",           CMD_FIRST},
 101         {"next",        CMD_NEXT},
 102         {"n",           CMD_NEXT},
 103         {"check",       CMD_CHECK},
 104         {"quit",        CMD_QUIT},
 105         {"q",           CMD_QUIT},
 106         {"!",           CMD_SYSTEM},
 107         {"repack",      CMD_REPACK},
 108         {NULL,          CMD_HELP}
 109 };
 110
 111 struct timeval tp1,tp2;
 112
 113 static void _start_timer(void)
 114 {
 115         gettimeofday(&tp1,NULL);
 116 }
 117
 118 static double _end_timer(void)
 119 {
 120         gettimeofday(&tp2,NULL);
 121         return((tp2.tv_sec - tp1.tv_sec) +
 122                (tp2.tv_usec - tp1.tv_usec)*1.0e-6);
 123 }
 124
 125 #ifdef PRINTF_ATTRIBUTE
 126 static void tdb_log_open(struct tdb_context *tdb, enum tdb_debug_level level,
 127                          const char *format, ...) PRINTF_ATTRIBUTE(3,4);
 128 #endif
 129 static void tdb_log_open(struct tdb_context *tdb, enum tdb_debug_level level,
 130                          const char *format, ...)
 131 {
 132         const char *mutex_msg =
 133                 "Can use mutexes only with MUTEX_LOCKING or NOLOCK\n";
 134         char *p;
 135         va_list ap;
 136
 137         p = strstr(format, mutex_msg);
 138         if (p != NULL) {
 139                 /*
 140                  * Yes, this is a hack, but we don't want to see this
 141                  * message on first open, but we want to see
 142                  * everything else.
 143                  */
 144                 return;
 145         }
 146
 147         va_start(ap, format);
 148         vfprintf(stderr, format, ap);
 149         va_end(ap);
 150 }
 151
 152 #ifdef PRINTF_ATTRIBUTE
 153 static void tdb_log(struct tdb_context *tdb, enum tdb_debug_level level, const char *format, ...) PRINTF_ATTRIBUTE(3,4);
 154 #endif
 155 static void tdb_log(struct tdb_context *tdb, enum tdb_debug_level level, const char *format, ...)
 156 {
 157         va_list ap;
 158
 159         va_start(ap, format);
 160         vfprintf(stderr, format, ap);
 161         va_end(ap);
 162 }
 163
 164 /* a tdb tool for manipulating a tdb database */
 165
 166 static TDB_CONTEXT *tdb;
 167
 168 static int print_rec(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
 169 static int print_key(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
 170 static int print_hexkey(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
 171
 172 static void print_asc(const char *buf,int len)
 173 {
 174         int i;
 175
 176         /* We're probably printing ASCII strings so don't try to display
 177            the trailing NULL character. */
 178
 179         if (buf[len - 1] == 0)
 180                 len--;
 181
 182         for (i=0;i<len;i++)
 183                 printf("%c",isprint(buf[i])?buf[i]:'.');
 184 }
 185
 186 static void print_data(const char *buf,int len)
 187 {
 188         int i=0;
 189         if (len<=0) return;
 190         printf("[%03X] ",i);
 191         for (i=0;i<len;) {
 192                 printf("%02X ",(int)((unsigned char)buf[i]));
 193                 i++;
 194                 if (i%8 == 0) printf(" ");
 195                 if (i%16 == 0) {
 196                         print_asc(&buf[i-16],8); printf(" ");
 197                         print_asc(&buf[i-8],8); printf("\n");
 198                         if (i<len) printf("[%03X] ",i);
 199                 }
 200         }
 201         if (i%16) {
 202                 int n;
 203
 204                 n = 16 - (i%16);
 205                 printf(" ");
 206                 if (n>8) printf(" ");
 207                 while (n--) printf("   ");
 208
 209                 n = i%16;
 210                 if (n > 8) n = 8;
 211                 print_asc(&buf[i-(i%16)],n); printf(" ");
 212                 n = (i%16) - n;
 213                 if (n>0) print_asc(&buf[i-n],n);
 214                 printf("\n");
 215         }
 216 }
 217
 218 static void help(void)
 219 {
 220         printf("\n"
 221 "tdbtool: \n"
 222 "  create    dbname     : create a database\n"
 223 "  open      dbname     : open an existing database\n"
 224 "  transaction_start    : start a transaction\n"
 225 "  transaction_commit   : commit a transaction\n"
 226 "  transaction_cancel   : cancel a transaction\n"
 227 "  erase                : erase the database\n"
 228 "  dump                 : dump the database as strings\n"
 229 "  keys                 : dump the database keys as strings\n"
 230 "  hexkeys              : dump the database keys as hex values\n"
 231 "  info                 : print summary info about the database\n"
 232 "  insert    key  data  : insert a record\n"
 233 "  move      key  file  : move a record to a destination tdb\n"
 234 "  storehex  key  data  : store a record (replace), key/value in hex format\n"
 235 "  store     key  data  : store a record (replace)\n"
 236 "  show      key        : show a record by key\n"
 237 "  delete    key        : delete a record by key\n"
 238 "  list                 : print the database hash table and freelist\n"
 239 "  free                 : print the database freelist\n"
 240 "  freelist_size        : print the number of records in the freelist\n"
 241 "  check                : check the integrity of an opened database\n"
 242 "  repack               : repack the database\n"
 243 "  speed                : perform speed tests on the database\n"
 244 "  ! command            : execute system command\n"
 245 "  1 | first            : print the first record\n"
 246 "  n | next             : print the next record\n"
 247 "  q | quit             : terminate\n"
 248 "  \\n                   : repeat 'next' command\n"
 249 "\n");
 250 }
 251
 252 static void terror(const char *why)
 253 {
 254         printf("%s\n", why);
 255 }
 256
 257 static void create_tdb(const char *tdbname)
 258 {
 259         struct tdb_logging_context log_ctx = { NULL, NULL};
 260         log_ctx.log_fn = tdb_log;
 261
 262         if (tdb) tdb_close(tdb);
 263         tdb = tdb_open_ex(tdbname, 0,
 264                           TDB_CLEAR_IF_FIRST |
 265                           (disable_mmap?TDB_NOMMAP:0) |
 266                           (_disable_lock?TDB_NOLOCK:0),
 267                           O_RDWR | O_CREAT | O_TRUNC, 0600, &log_ctx, NULL);
 268         if (!tdb) {
 269                 printf("Could not create %s: %s\n", tdbname, strerror(errno));
 270         }
 271 }
 272
 273 static void open_tdb(const char *tdbname)
 274 {
 275         struct tdb_logging_context log_ctx = { NULL, NULL };
 276         log_ctx.log_fn = tdb_log_open;
 277
 278         if (tdb) tdb_close(tdb);
 279         tdb = tdb_open_ex(tdbname, 0,
 280                           (disable_mmap?TDB_NOMMAP:0) |
 281                           (_disable_lock?TDB_NOLOCK:0),
 282                           O_RDWR, 0600,
 283                           &log_ctx, NULL);
 284
 285         log_ctx.log_fn = tdb_log;
 286         if (tdb != NULL) {
 287                 tdb_set_logging_function(tdb, &log_ctx);
 288         }
 289
 290         if ((tdb == NULL) && (errno == EINVAL)) {
 291                 /*
 292                  * Retry NOLOCK and readonly. There we want to see all
 293                  * error messages.
 294                  */
 295                 tdb = tdb_open_ex(tdbname, 0,
 296                                   (disable_mmap?TDB_NOMMAP:0) |TDB_NOLOCK,
 297                                   O_RDONLY, 0600,
 298                                   &log_ctx, NULL);
 299         }
 300
 301         if (!tdb) {
 302                 printf("Could not open %s: %s\n", tdbname, strerror(errno));
 303         }
 304 }
 305
 306 static void insert_tdb(char *keyname, size_t keylen, char* data, size_t datalen)
 307 {
 308         TDB_DATA key, dbuf;
 309
 310         if ((keyname == NULL) || (keylen == 0)) {
 311                 terror("need key");
 312                 return;
 313         }
 314
 315         key.dptr = (unsigned char *)keyname;
 316         key.dsize = keylen;
 317         dbuf.dptr = (unsigned char *)data;
 318         dbuf.dsize = datalen;
 319
 320         if (tdb_store(tdb, key, dbuf, TDB_INSERT) != 0) {
 321                 terror("insert failed");
 322         }
 323 }
 324
 325 static void store_tdb(char *keyname, size_t keylen, char* data, size_t datalen)
 326 {
 327         TDB_DATA key, dbuf;
 328
 329         if ((keyname == NULL) || (keylen == 0)) {
 330                 terror("need key");
 331                 return;
 332         }
 333
 334         if ((data == NULL) || (datalen == 0)) {
 335                 terror("need data");
 336                 return;
 337         }
 338
 339         key.dptr = (unsigned char *)keyname;
 340         key.dsize = keylen;
 341         dbuf.dptr = (unsigned char *)data;
 342         dbuf.dsize = datalen;
 343
 344         printf("Storing key:\n");
 345         print_rec(tdb, key, dbuf, NULL);
 346
 347         if (tdb_store(tdb, key, dbuf, TDB_REPLACE) != 0) {
 348                 terror("store failed");
 349         }
 350 }
 351
 352 static bool parse_hex(const char *src, size_t srclen, uint8_t *dst)
 353 {
 354         size_t i=0;
 355
 356         if ((srclen % 2) != 0) {
 357                 return false;
 358         }
 359
 360         while (i<srclen) {
 361                 bool ok = hex_byte(src, dst);
 362                 if (!ok) {
 363                         return false;
 364                 }
 365                 src += 2;
 366                 dst += 1;
 367         }
 368
 369         return true;
 370 }
 371
 372 static void store_hex_tdb(char *keystr, size_t keylen,
 373                           char *datastr, size_t datalen)
 374 {
 375         if ((keystr == NULL) || (keylen == 0)) {
 376                 terror("need key");
 377                 return;
 378         }
 379         if ((datastr == NULL) || (datalen == 0)) {
 380                 terror("need data");
 381                 return;
 382         }
 383
 384         {
 385                 uint8_t keybuf[keylen/2];
 386                 TDB_DATA key = { .dptr = keybuf, .dsize = sizeof(keybuf) };
 387                 uint8_t databuf[datalen/2];
 388                 TDB_DATA data = { .dptr = databuf, .dsize = sizeof(databuf) };
 389                 bool ok;
 390
 391                 ok = parse_hex(keystr, keylen, keybuf);
 392                 if (!ok) {
 393                         terror("need hex key");
 394                         return;
 395                 }
 396                 ok = parse_hex(datastr, datalen, databuf);
 397                 if (!ok) {
 398                         terror("need hex data");
 399                         return;
 400                 }
 401
 402                 printf("storing key/data:\n");
 403                 print_data((char *)key.dptr, key.dsize);
 404                 print_data((char *)data.dptr, data.dsize);
 405
 406                 if (tdb_store(tdb, key, data, TDB_REPLACE) != 0) {
 407                         terror("store failed");
 408                 }
 409         }
 410 }
 411
 412 static void show_tdb(char *keyname, size_t keylen)
 413 {
 414         TDB_DATA key, dbuf;
 415
 416         if ((keyname == NULL) || (keylen == 0)) {
 417                 terror("need key");
 418                 return;
 419         }
 420
 421         key.dptr = (unsigned char *)keyname;
 422         key.dsize = keylen;
 423
 424         dbuf = tdb_fetch(tdb, key);
 425         if (!dbuf.dptr) {
 426             terror("fetch failed");
 427             return;
 428         }
 429
 430         print_rec(tdb, key, dbuf, NULL);
 431
 432         free( dbuf.dptr );
 433
 434         return;
 435 }
 436
 437 static void delete_tdb(char *keyname, size_t keylen)
 438 {
 439         TDB_DATA key;
 440
 441         if ((keyname == NULL) || (keylen == 0)) {
 442                 terror("need key");
 443                 return;
 444         }
 445
 446         key.dptr = (unsigned char *)keyname;
 447         key.dsize = keylen;
 448
 449         if (tdb_delete(tdb, key) != 0) {
 450                 terror("delete failed");
 451         }
 452 }
 453
 454 static void move_rec(char *keyname, size_t keylen, char* tdbname)
 455 {
 456         TDB_DATA key, dbuf;
 457         TDB_CONTEXT *dst_tdb;
 458
 459         if ((keyname == NULL) || (keylen == 0)) {
 460                 terror("need key");
 461                 return;
 462         }
 463
 464         if ( !tdbname ) {
 465                 terror("need destination tdb name");
 466                 return;
 467         }
 468
 469         key.dptr = (unsigned char *)keyname;
 470         key.dsize = keylen;
 471
 472         dbuf = tdb_fetch(tdb, key);
 473         if (!dbuf.dptr) {
 474                 terror("fetch failed");
 475                 return;
 476         }
 477
 478         print_rec(tdb, key, dbuf, NULL);
 479
 480         dst_tdb = tdb_open(tdbname, 0, 0, O_RDWR, 0600);
 481         if ( !dst_tdb ) {
 482                 terror("unable to open destination tdb");
 483                 return;
 484         }
 485
 486         if (tdb_store( dst_tdb, key, dbuf, TDB_REPLACE ) != 0) {
 487                 terror("failed to move record");
 488         }
 489         else
 490                 printf("record moved\n");
 491
 492         tdb_close( dst_tdb );
 493
 494         return;
 495 }
 496
 497 static int print_rec(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 498 {
 499         printf("\nkey %d bytes\n", (int)key.dsize);
 500         print_asc((const char *)key.dptr, key.dsize);
 501         printf("\ndata %d bytes\n", (int)dbuf.dsize);
 502         print_data((const char *)dbuf.dptr, dbuf.dsize);
 503         return 0;
 504 }
 505
 506 static int print_key(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 507 {
 508         printf("key %d bytes: ", (int)key.dsize);
 509         print_asc((const char *)key.dptr, key.dsize);
 510         printf("\n");
 511         return 0;
 512 }
 513
 514 static int print_hexkey(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 515 {
 516         printf("key %d bytes\n", (int)key.dsize);
 517         print_data((const char *)key.dptr, key.dsize);
 518         printf("\n");
 519         return 0;
 520 }
 521
 522 static int total_bytes;
 523
 524 static int traverse_fn(TDB_CONTEXT *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
 525 {
 526         total_bytes += dbuf.dsize;
 527         return 0;
 528 }
 529
 530 static void info_tdb(void)
 531 {
 532         char *summary = tdb_summary(tdb);
 533
 534         if (!summary) {
 535                 printf("Error = %s\n", tdb_errorstr(tdb));
 536         } else {
 537                 printf("%s", summary);
 538                 free(summary);
 539         }
 540 }
 541
 542 static void speed_tdb(const char *tlimit)
 543 {
 544         const char *str = "store test", *str2 = "transaction test";
 545         unsigned timelimit = tlimit?atoi(tlimit):0;
 546         double t;
 547         int ops;
 548         if (timelimit == 0) timelimit = 5;
 549
 550         ops = 0;
 551         printf("Testing store speed for %u seconds\n", timelimit);
 552         _start_timer();
 553         do {
 554                 long int r = random();
 555                 TDB_DATA key, dbuf;
 556                 key.dptr = discard_const_p(uint8_t, str);
 557                 key.dsize = strlen((char *)key.dptr);
 558                 dbuf.dptr = (uint8_t *) &r;
 559                 dbuf.dsize = sizeof(r);
 560                 tdb_store(tdb, key, dbuf, TDB_REPLACE);
 561                 t = _end_timer();
 562                 ops++;
 563         } while (t < timelimit);
 564         printf("%10.3f ops/sec\n", ops/t);
 565
 566         ops = 0;
 567         printf("Testing fetch speed for %u seconds\n", timelimit);
 568         _start_timer();
 569         do {
 570                 TDB_DATA key;
 571                 key.dptr = discard_const_p(uint8_t, str);
 572                 key.dsize = strlen((char *)key.dptr);
 573                 tdb_fetch(tdb, key);
 574                 t = _end_timer();
 575                 ops++;
 576         } while (t < timelimit);
 577         printf("%10.3f ops/sec\n", ops/t);
 578
 579         ops = 0;
 580         printf("Testing transaction speed for %u seconds\n", timelimit);
 581         _start_timer();
 582         do {
 583                 long int r = random();
 584                 TDB_DATA key, dbuf;
 585                 key.dptr = discard_const_p(uint8_t, str2);
 586                 key.dsize = strlen((char *)key.dptr);
 587                 dbuf.dptr = (uint8_t *) &r;
 588                 dbuf.dsize = sizeof(r);
 589                 tdb_transaction_start(tdb);
 590                 tdb_store(tdb, key, dbuf, TDB_REPLACE);
 591                 tdb_transaction_commit(tdb);
 592                 t = _end_timer();
 593                 ops++;
 594         } while (t < timelimit);
 595         printf("%10.3f ops/sec\n", ops/t);
 596
 597         ops = 0;
 598         printf("Testing traverse speed for %u seconds\n", timelimit);
 599         _start_timer();
 600         do {
 601                 tdb_traverse(tdb, traverse_fn, NULL);
 602                 t = _end_timer();
 603                 ops++;
 604         } while (t < timelimit);
 605         printf("%10.3f ops/sec\n", ops/t);
 606 }
 607
 608 static void toggle_mmap(void)
 609 {
 610         disable_mmap = !disable_mmap;
 611         if (disable_mmap) {
 612                 printf("mmap is disabled\n");
 613         } else {
 614                 printf("mmap is enabled\n");
 615         }
 616 }
 617
 618 static char *tdb_getline(const char *prompt)
 619 {
 620         static char thisline[1024];
 621         char *p;
 622         fputs(prompt, stdout);
 623         thisline[0] = 0;
 624         p = fgets(thisline, sizeof(thisline)-1, stdin);
 625         if (p) p = strchr(p, '\n');
 626         if (p) *p = 0;
 627         return p?thisline:NULL;
 628 }
 629
 630 static void first_record(TDB_CONTEXT *the_tdb, TDB_DATA *pkey)
 631 {
 632         TDB_DATA dbuf;
 633         *pkey = tdb_firstkey(the_tdb);
 634
 635         dbuf = tdb_fetch(the_tdb, *pkey);
 636         if (!dbuf.dptr) terror("fetch failed");
 637         else {
 638                 print_rec(the_tdb, *pkey, dbuf, NULL);
 639         }
 640 }
 641
 642 static void next_record(TDB_CONTEXT *the_tdb, TDB_DATA *pkey)
 643 {
 644         TDB_DATA dbuf;
 645         *pkey = tdb_nextkey(the_tdb, *pkey);
 646
 647         dbuf = tdb_fetch(the_tdb, *pkey);
 648         if (!dbuf.dptr)
 649                 terror("fetch failed");
 650         else
 651                 print_rec(the_tdb, *pkey, dbuf, NULL);
 652 }
 653
 654 static int count(TDB_DATA key, TDB_DATA data, void *private_data)
 655 {
 656         (*(unsigned int *)private_data)++;
 657         return 0;
 658 }
 659
 660 static void check_db(TDB_CONTEXT *the_tdb)
 661 {
 662         int tdbcount = 0;
 663         if (!the_tdb)
 664                 printf("Error: No database opened!\n");
 665         else if (tdb_check(the_tdb, count, &tdbcount) == -1)
 666                 printf("Integrity check for the opened database failed.\n");
 667         else
 668                 printf("Database integrity is OK and has %d records.\n",
 669                        tdbcount);
 670 }
 671
 672 static int do_command(void)
 673 {
 674         COMMAND_TABLE *ctp = cmd_table;
 675         enum commands mycmd = CMD_HELP;
 676         int cmd_len;
 677
 678         if (cmdname != NULL) {
 679                 if (strlen(cmdname) == 0) {
 680                         mycmd = CMD_NEXT;
 681                 } else {
 682                         while (ctp->name) {
 683                                 cmd_len = strlen(ctp->name);
 684                                 if (strncmp(ctp->name,cmdname,cmd_len) == 0) {
 685                                         mycmd = ctp->cmd;
 686                                         break;
 687                                 }
 688                                 ctp++;
 689                         }
 690                 }
 691         }
 692
 693         switch (mycmd) {
 694         case CMD_CREATE_TDB:
 695                 bIterate = 0;
 696                 create_tdb(arg1);
 697                 return 0;
 698         case CMD_OPEN_TDB:
 699                 bIterate = 0;
 700                 open_tdb(arg1);
 701                 return 0;
 702         case CMD_SYSTEM:
 703                 /* Shell command */
 704                 if (system(arg1) == -1) {
 705                         terror("system() call failed\n");
 706                 }
 707                 return 0;
 708         case CMD_QUIT:
 709                 return 1;
 710         default:
 711                 /* all the rest require a open database */
 712                 if (!tdb) {
 713                         bIterate = 0;
 714                         terror("database not open");
 715                         help();
 716                         return 0;
 717                 }
 718                 switch (mycmd) {
 719                 case CMD_TRANSACTION_START:
 720                         bIterate = 0;
 721                         tdb_transaction_start(tdb);
 722                         return 0;
 723                 case CMD_TRANSACTION_COMMIT:
 724                         bIterate = 0;
 725                         tdb_transaction_commit(tdb);
 726                         return 0;
 727                 case CMD_REPACK:
 728                         bIterate = 0;
 729                         tdb_repack(tdb);
 730                         return 0;
 731                 case CMD_TRANSACTION_CANCEL:
 732                         bIterate = 0;
 733                         tdb_transaction_cancel(tdb);
 734                         return 0;
 735                 case CMD_ERASE:
 736                         bIterate = 0;
 737                         tdb_wipe_all(tdb);
 738                         return 0;
 739                 case CMD_DUMP:
 740                         bIterate = 0;
 741                         tdb_traverse(tdb, print_rec, NULL);
 742                         return 0;
 743                 case CMD_INSERT:
 744                         bIterate = 0;
 745                         insert_tdb(arg1, arg1len,arg2,arg2len);
 746                         return 0;
 747                 case CMD_MOVE:
 748                         bIterate = 0;
 749                         move_rec(arg1,arg1len,arg2);
 750                         return 0;
 751                 case CMD_STORE:
 752                         bIterate = 0;
 753                         store_tdb(arg1,arg1len,arg2,arg2len);
 754                         return 0;
 755                 case CMD_STOREHEX:
 756                         bIterate = 0;
 757                         store_hex_tdb(arg1,arg1len,arg2,arg2len);
 758                         return 0;
 759                 case CMD_SHOW:
 760                         bIterate = 0;
 761                         show_tdb(arg1, arg1len);
 762                         return 0;
 763                 case CMD_KEYS:
 764                         tdb_traverse(tdb, print_key, NULL);
 765                         return 0;
 766                 case CMD_HEXKEYS:
 767                         tdb_traverse(tdb, print_hexkey, NULL);
 768                         return 0;
 769                 case CMD_DELETE:
 770                         bIterate = 0;
 771                         delete_tdb(arg1,arg1len);
 772                         return 0;
 773                 case CMD_LIST_HASH_FREE:
 774                         tdb_dump_all(tdb);
 775                         return 0;
 776                 case CMD_LIST_FREE:
 777                         tdb_printfreelist(tdb);
 778                         return 0;
 779                 case CMD_FREELIST_SIZE: {
 780                         int size;
 781
 782                         size = tdb_freelist_size(tdb);
 783                         if (size < 0) {
 784                                 printf("Error getting freelist size.\n");
 785                         } else {
 786                                 printf("freelist size: %d\n", size);
 787                         }
 788
 789                         return 0;
 790                 }
 791                 case CMD_INFO:
 792                         info_tdb();
 793                         return 0;
 794                 case CMD_SPEED:
 795                         speed_tdb(arg1);
 796                         return 0;
 797                 case CMD_MMAP:
 798                         toggle_mmap();
 799                         return 0;
 800                 case CMD_FIRST:
 801                         bIterate = 1;
 802                         first_record(tdb, &iterate_kbuf);
 803                         return 0;
 804                 case CMD_NEXT:
 805                         if (bIterate)
 806                                 next_record(tdb, &iterate_kbuf);
 807                         return 0;
 808                 case CMD_CHECK:
 809                         check_db(tdb);
 810                         return 0;
 811                 case CMD_HELP:
 812                         help();
 813                         return 0;
 814                 case CMD_CREATE_TDB:
 815                 case CMD_OPEN_TDB:
 816                 case CMD_SYSTEM:
 817                 case CMD_QUIT:
 818                         /*
 819                          * unhandled commands.  cases included here to avoid compiler
 820                          * warnings.
 821                          */
 822                         return 0;
 823                 }
 824         }
 825
 826         return 0;
 827 }
 828
 829 static char *tdb_convert_string(char *instring, size_t *sizep)
 830 {
 831         size_t length = 0;
 832         char *outp, *inp;
 833         char temp[3];
 834
 835         outp = inp = instring;
 836
 837         while (*inp) {
 838                 if (*inp == '\\') {
 839                         inp++;
 840                         if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
 841                                 temp[0] = *inp++;
 842                                 temp[1] = '\0';
 843                                 if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
 844                                         temp[1] = *inp++;
 845                                         temp[2] = '\0';
 846                                 }
 847                                 *outp++ = (char)strtol((const char *)temp,NULL,16);
 848                         } else {
 849                                 *outp++ = *inp++;
 850                         }
 851                 } else {
 852                         *outp++ = *inp++;
 853                 }
 854                 length++;
 855         }
 856         *sizep = length;
 857         return instring;
 858 }
 859
 860 int main(int argc, char *argv[])
 861 {
 862         cmdname = "";
 863         arg1 = NULL;
 864         arg1len = 0;
 865         arg2 = NULL;
 866         arg2len = 0;
 867
 868         if (argv[1] && (strcmp(argv[1], "-l") == 0)) {
 869                 _disable_lock = 1;
 870                 argv[1] = argv[0];
 871                 argv += 1;
 872                 argc -= 1;
 873         }
 874
 875         if (argv[1]) {
 876                 cmdname = "open";
 877                 arg1 = argv[1];
 878                 do_command();
 879                 cmdname =  "";
 880                 arg1 = NULL;
 881         }
 882
 883         switch (argc) {
 884         case 1:
 885         case 2:
 886                 /* Interactive mode */
 887                 while ((cmdname = tdb_getline("tdb> "))) {
 888                         arg2 = arg1 = NULL;
 889                         if ((arg1 = strchr((const char *)cmdname,' ')) != NULL) {
 890                                 arg1++;
 891                                 arg2 = arg1;
 892                                 while (*arg2) {
 893                                         if (*arg2 == ' ') {
 894                                                 *arg2++ = '\0';
 895                                                 break;
 896                                         }
 897                                         if ((*arg2++ == '\\') && (*arg2 == ' ')) {
 898                                                 arg2++;
 899                                         }
 900                                 }
 901                         }
 902                         if (arg1) arg1 = tdb_convert_string(arg1,&arg1len);
 903                         if (arg2) arg2 = tdb_convert_string(arg2,&arg2len);
 904                         if (do_command()) break;
 905                 }
 906                 break;
 907         case 5:
 908                 arg2 = tdb_convert_string(argv[4],&arg2len);
 909                 FALL_THROUGH;
 910         case 4:
 911                 arg1 = tdb_convert_string(argv[3],&arg1len);
 912                 FALL_THROUGH;
 913         case 3:
 914                 cmdname = argv[2];
 915                 FALL_THROUGH;
 916         default:
 917                 do_command();
 918                 break;
 919         }
 920
 921         if (tdb) tdb_close(tdb);
 922
 923         return 0;
 924 }