rosapps/sysutils/regnav.c

   1 /* $Id: regnav.c,v 1.3 2000/05/28 17:44:53 ea Exp $
   2  *
   3  * regnav.c
   4  *
   5  * Copyright (c) 1998, 1999 Emanuele Aliberti
   6  *
   7  * --------------------------------------------------------------------
   8  *
   9  * This software is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Library General Public License as
  11  * published by the Free Software Foundation; either version 2 of the
  12  * License, or (at your option) any later version.
  13  *
  14  * This software 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 GNU
  17  * Library General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Library General Public
  20  * License along with this software; see the file COPYING.LIB. If
  21  * not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  22  * Cambridge, MA 02139, USA.
  23  *
  24  * --------------------------------------------------------------------
  25  * ReactOS system registry console navigation tool.
  26  */
  27 //#define UNICODE
  28 #include <windows.h>
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <tchar.h>
  33 #include <assert.h>
  34 #include "win32err.h"
  35
  36 #define INPUT_BUFFER_SIZE       512
  37 #define COMMAND_NOT_FOUND       NULL
  38 #define CURRENT_PATH_SIZE       1024
  39
  40 LPCTSTR STR_HKEY_CLASSES_ROOT           = _TEXT("HKEY_CLASSES_ROOT");
  41 LPCTSTR STR_HKEY_CURRENT_USER           = _TEXT("HKEY_CURRENT_USER");
  42 LPCTSTR STR_HKEY_LOCAL_MACHINE          = _TEXT("HKEY_LOCAL_MACHINE");
  43 LPCTSTR STR_HKEY_USERS                  = _TEXT("HKEY_USERS");
  44 LPCTSTR STR_HKEY_CURRENT_CONFIG         = _TEXT("HKEY_CURRENT_CONFIG");
  45 LPCTSTR STR_HKEY_PERFORMANCE_DATA       = _TEXT("HKEY_PERFORMANCE_DATA");
  46
  47
  48 LPTSTR  app_name = _TEXT("regnav");
  49 LPCTSTR app_ver = _TEXT("1.0.4");
  50 HANDLE  CurrentWorkingKey = INVALID_HANDLE_VALUE;       /* \ */
  51 TCHAR   CurrentPath [CURRENT_PATH_SIZE] = _TEXT("\\");
  52 BOOL    Done = FALSE;
  53 INT     LastExitCode = 0;
  54
  55
  56 /* ===  COMMANDS  === */
  57
  58 #define CMDPROTOIF (int argc,LPTSTR argv[])
  59 typedef int (*CommandFunction) CMDPROTOIF;
  60 #define CMDPROTO(n) int n CMDPROTOIF
  61
  62
  63 typedef
  64 struct _COMMAND_DESCRIPTOR
  65 {
  66         LPCTSTR         Name;
  67         LPCTSTR         ShortDescription;
  68         LPCTSTR         Usage;
  69         CommandFunction Command;
  70         int             MinArgc;
  71         int             MaxArgc;
  72
  73 } COMMAND_DESCRIPTOR, * PCOMMAND_DESCRIPTOR;
  74
  75
  76 CMDPROTO(cmd_ck);
  77 CMDPROTO(cmd_exit);
  78 CMDPROTO(cmd_help);
  79 CMDPROTO(cmd_ls);
  80 CMDPROTO(cmd_pwk);
  81 CMDPROTO(cmd_ver);
  82
  83
  84 COMMAND_DESCRIPTOR
  85 CommandsTable [] =
  86 {
  87  {
  88         _TEXT("ck"),
  89         _TEXT("Change the working key."),
  90         _TEXT("CK key\n\nChange the working key."),
  91         cmd_ck,
  92         1,
  93         2
  94  },
  95  {
  96         _TEXT("exit"),
  97         _TEXT("Terminate the application."),
  98         _TEXT("EXIT\n\nTerminate the application."),
  99         cmd_exit,
 100         1,
 101         1
 102  },
 103  {
 104         _TEXT("help"),
 105         _TEXT("Print this commands summary, or a command's synopsis."),
 106         _TEXT("HELP [command]\n\nPrint commands summary, or a command's synopsis."),
 107         cmd_help,
 108         1,
 109         2
 110  },
 111  {
 112         _TEXT("ls"),
 113         _TEXT("List a key's values and subkeys."),
 114         _TEXT("LS [key]\n\nList a key's values and subkeys."),
 115         cmd_ls,
 116         1,
 117         2
 118  },
 119  {
 120         _TEXT("pwk"),
 121         _TEXT("Print the current working key."),
 122         _TEXT("PWK\n\nPrint the current working key."),
 123         cmd_pwk,
 124         1,
 125         1
 126  },
 127  {
 128         _TEXT("ver"),
 129         _TEXT("Print version information."),
 130         _TEXT("VER\n\nPrint version information."),
 131         cmd_ver,
 132         1,
 133         1
 134  },
 135  /* End of array marker */
 136  { NULL }
 137 };
 138
 139
 140 /* ===  CMD MANAGER  === */
 141
 142
 143 PCOMMAND_DESCRIPTOR
 144 DecodeVerb( LPCTSTR Name )
 145 {
 146         register int i;
 147
 148         for (   i = 0;
 149                 CommandsTable[i].Name;
 150                 ++i
 151                 )
 152         {
 153                 if (0 == lstrcmpi(CommandsTable[i].Name,Name))
 154                 {
 155                         return & CommandsTable[i];
 156                 }
 157         }
 158         return COMMAND_NOT_FOUND;
 159 }
 160
 161 /* === Visual key name manager */
 162
 163 typedef
 164 struct _SPLIT_KEY_NAME
 165 {
 166         TCHAR   Host [32];
 167         HANDLE  Hive;
 168         TCHAR   SubKey [_MAX_PATH];
 169
 170 } SPLIT_KEY_NAME, * PSPLIT_KEY_NAME;
 171
 172
 173 PSPLIT_KEY_NAME
 174 ParseKeyName(
 175         LPTSTR          KeyName,
 176         PSPLIT_KEY_NAME k
 177         )
 178 {
 179         TCHAR *r = KeyName;
 180         TCHAR *w = NULL;
 181         TCHAR SystemKey [64];
 182
 183         assert(r && k);
 184         ZeroMemory( k, sizeof (SPLIT_KEY_NAME) );
 185         k->Hive = INVALID_HANDLE_VALUE;
 186         /* HOST */
 187         if (r[0] == _TEXT('\\') && r[1] == _TEXT('\\'))
 188         {
 189                 for (   r += 2, w = k->Host;
 190                         (*r && (*r != _TEXT('\\')));
 191                         ++r
 192                 ) {
 193                         *w++ = *r;
 194                 }
 195                 if (w) *w = _TEXT('\0');
 196         }
 197         /* SYSTEM KEY */
 198         if (*r == _TEXT('\\')) ++r;
 199         for (   w = SystemKey;
 200                 (*r && (*r != _TEXT('\\')));
 201                 ++r
 202         ) {
 203                 *w++ = *r;
 204         }
 205         if (w) *w = _TEXT('\0');
 206         if (0 == lstrcmpi(STR_HKEY_CLASSES_ROOT, SystemKey))
 207         {
 208                 k->Hive = HKEY_CLASSES_ROOT;
 209         }
 210         else if (0 == lstrcmpi(STR_HKEY_CURRENT_USER, SystemKey))
 211         {
 212                 k->Hive = HKEY_CURRENT_USER;
 213         }
 214         else if (0 == lstrcmpi(STR_HKEY_LOCAL_MACHINE, SystemKey))
 215         {
 216                 k->Hive = HKEY_LOCAL_MACHINE;
 217         }
 218         else if (0 == lstrcmpi(STR_HKEY_USERS, SystemKey))
 219         {
 220                 k->Hive = HKEY_USERS;
 221         }
 222         else if (0 == lstrcmpi(STR_HKEY_CURRENT_CONFIG, SystemKey))
 223         {
 224                 k->Hive = HKEY_CURRENT_CONFIG;
 225         }
 226         else if (0 == lstrcmpi(STR_HKEY_PERFORMANCE_DATA, SystemKey))
 227         {
 228                 k->Hive = HKEY_PERFORMANCE_DATA;
 229         }
 230         /* SUBKEY */
 231         if (*r == _TEXT('\\')) ++r;
 232         for (   w = k->SubKey;
 233                 (*r);
 234                 ++r
 235         ) {
 236                 *w++ = *r;
 237         }
 238         if (w) *w = _TEXT('\0');
 239         /* OK */
 240         return k;
 241 }
 242
 243 /* === COMMANDS === */
 244
 245
 246 /**********************************************************************
 247  *      ck
 248  *
 249  * DESCRIPTION
 250  *      Change the current working key.
 251  */
 252 CMDPROTO(cmd_ck)
 253 {
 254         LONG            rv;
 255         SPLIT_KEY_NAME  k;
 256
 257         if (0 == lstrcmp(argv[1], _TEXT("..")))
 258         {
 259                 _tprintf( _TEXT("Change to parent not implemented yet.\n") );
 260                 return EXIT_FAILURE;
 261         }
 262         if (INVALID_HANDLE_VALUE != CurrentWorkingKey)
 263         {
 264                 RegCloseKey(CurrentWorkingKey);
 265                 CurrentWorkingKey = INVALID_HANDLE_VALUE;
 266         }
 267         if (NULL == ParseKeyName(argv[1], &k))
 268         {
 269                 return EXIT_FAILURE;
 270         }
 271         rv = RegOpenKeyEx(
 272                         k.Hive,                         /* handle of open key */
 273                         k.SubKey,                       /* address of name of subkey to open */
 274                         0,                              /* reserved */
 275                         (REGSAM) KEY_ENUMERATE_SUB_KEYS,/* security access mask */
 276                         & CurrentWorkingKey             /* address of handle of open key */
 277                         );
 278         if (ERROR_SUCCESS != rv)
 279         {
 280                 PrintWin32Error(L"RegOpenKeyEx",GetLastError());
 281                 return EXIT_FAILURE;
 282         }
 283         return EXIT_SUCCESS;
 284 }
 285
 286
 287 /**********************************************************************
 288  *      exit
 289  *
 290  * DESCRIPTION
 291  *      Terminate.
 292  */
 293 CMDPROTO(cmd_exit)
 294 {
 295         Done = TRUE;
 296         _tprintf( _TEXT("Quitting...\n") );
 297         return EXIT_SUCCESS;
 298 }
 299
 300
 301 /**********************************************************************
 302  *      help
 303  *
 304  * DESCRIPTION
 305  *      Print help.
 306  */
 307 CMDPROTO(cmd_help)
 308 {
 309         PCOMMAND_DESCRIPTOR cd = NULL;
 310
 311         if (1 == argc)
 312         {
 313                 int CommandIndex;
 314
 315                 for (   CommandIndex = 0;
 316                         (CommandsTable[CommandIndex].Name);
 317                         CommandIndex++
 318                         )
 319                 {
 320                         _tprintf(
 321                                 _TEXT("%s\t%s\n"),
 322                                 CommandsTable[CommandIndex].Name,
 323                                 CommandsTable[CommandIndex].ShortDescription
 324                                 );
 325                 }
 326                 return EXIT_SUCCESS;
 327         }
 328         if ((cd = DecodeVerb(argv[1])))
 329         {
 330                 _tprintf(
 331                         _TEXT("%s\n"),
 332                         cd->Usage
 333                         );
 334                 return EXIT_SUCCESS;
 335         }
 336         _tprintf(
 337                 _TEXT("Unknown help item \"%s\".\n"),
 338                 argv[1]
 339                 );
 340         return EXIT_FAILURE;
 341 }
 342
 343
 344 /**********************************************************************
 345  *      ls
 346  *
 347  * DESCRIPTION
 348  *      List a key.
 349  */
 350 CMDPROTO(cmd_ls)
 351 {
 352         LONG            rv;
 353         DWORD           dwIndexK = 0;
 354         DWORD           dwIndexV = 0;
 355         UCHAR           Name [256];
 356         DWORD           cbName;
 357         UCHAR           Class [256];
 358         DWORD           cbClass;
 359         UCHAR           Data [1024];
 360         DWORD           cbData;
 361         DWORD           Type;
 362         FILETIME        ft;
 363         SYSTEMTIME      st;
 364
 365         /* _self is always present */
 366         _tprintf( _TEXT(".\\\n") );
 367         /* _root directory? */
 368         if (INVALID_HANDLE_VALUE == CurrentWorkingKey)
 369         {
 370                 _tprintf(
 371                         _TEXT("%s\\\n"),
 372                         STR_HKEY_CLASSES_ROOT
 373                         );
 374                 _tprintf(
 375                         _TEXT("%s\\\n"),
 376                         STR_HKEY_CURRENT_USER
 377                         );
 378                 _tprintf(
 379                         _TEXT("%s\\\n"),
 380                         STR_HKEY_LOCAL_MACHINE
 381                         );
 382                 _tprintf(
 383                         _TEXT("%s\\\n"),
 384                         STR_HKEY_USERS
 385                         );
 386                 _tprintf(
 387                         _TEXT("%s\\\n"),
 388                         STR_HKEY_CURRENT_CONFIG
 389                         );
 390                 _tprintf(
 391                         _TEXT("%s\\\n"),
 392                         STR_HKEY_PERFORMANCE_DATA
 393                         );
 394                 return EXIT_SUCCESS;
 395         }
 396         /* _parent is present only if _self != _root
 397          * (FIXME: change it when RegConnect... available)
 398          */
 399         _tprintf( _TEXT("..\\\n") );
 400         /* Enumerate subkeys of the current key. */
 401         do {
 402                 cbName = sizeof(Name);
 403                 cbClass = sizeof(Class);
 404                 rv = RegEnumKeyEx(
 405                         CurrentWorkingKey,      /* handle of key to enumerate */
 406                         dwIndexK,               /* index of subkey to enumerate */
 407                         Name,                   /* address of buffer for subkey name */
 408                         & cbName,               /* address for size of subkey buffer */
 409                         NULL,                   /* reserved */
 410                         Class,                  /* address of buffer for class string */
 411                         & cbClass,              /* address for size of class buffer */
 412                         & ft                    /* address for time key last written to */
 413                         );
 414                 if (ERROR_SUCCESS == rv)
 415                 {
 416                         FileTimeToSystemTime( & ft, & st );
 417                         if (cbClass)
 418                                 _tprintf(
 419                                         _TEXT("%-32s\\ %4d-%02d-%02d %02d:%02d [%s]\n"),
 420                                         Name,
 421                                         st.wYear, st.wMonth, st.wDay,
 422                                         st.wHour, st.wMinute,
 423                                         Class
 424                                         );
 425                         else
 426                                 _tprintf(
 427                                         _TEXT("%-32s\\ %4d-%02d-%02d %02d:%02d\n"),
 428                                         Name,
 429                                         st.wYear, st.wMonth, st.wDay,
 430                                         st.wHour, st.wMinute
 431                                         );
 432                         ++dwIndexK;
 433                 }
 434         } while (ERROR_SUCCESS == rv);
 435         /* Enumerate key's values */
 436         do {
 437                 cbName = sizeof(Name);
 438                 cbData = sizeof(Data);
 439                 rv = RegEnumValue(
 440                         CurrentWorkingKey,      /* handle of key to query */
 441                         dwIndexV,               /* index of value to query */
 442                         Name,                   /* address of buffer for value string */
 443                         & cbName,               /* address for size of value buffer */
 444                         NULL,                   /* reserved */
 445                         & Type,                 /* address of buffer for type code */
 446                         Data,                   /* address of buffer for value data */
 447                         & cbData                /* address for size of data buffer */
 448                         );
 449                 if (ERROR_SUCCESS == rv)
 450                 {
 451                         switch (Type)
 452                         {
 453                         case REG_DWORD:
 454                                 _tprintf(
 455                                         _TEXT("%s = *REG_DWORD*\n"),
 456                                         Name
 457                                         );
 458                                 break;
 459                         case REG_EXPAND_SZ:
 460                                 /* expand env vars */
 461                                 break;
 462                         case REG_LINK:
 463                                 /* reparse! */
 464                                 break;
 465                         case REG_SZ:
 466                                 _tprintf(
 467                                         _TEXT("%s = \"%s\"\n"),
 468                                         Name,
 469                                         Data
 470                                         );
 471                                 break;
 472                         }
 473                         ++dwIndexV;
 474                 }
 475         } while (ERROR_SUCCESS == rv);
 476         return (UINT) dwIndexK + (UINT) dwIndexV;
 477 }
 478
 479
 480 /**********************************************************************
 481  *      pwk
 482  *
 483  * DESCRIPTION
 484  *      Print the current working key.
 485  */
 486 CMDPROTO(cmd_pwk)
 487 {
 488         if (INVALID_HANDLE_VALUE == CurrentWorkingKey)
 489         {
 490                 _tprintf( _TEXT("[\\]\n") );
 491                 return EXIT_SUCCESS;
 492         }
 493         _tprintf(
 494                 _TEXT("[%s]\n"),
 495                 CurrentPath
 496                 );
 497         return EXIT_SUCCESS;
 498 }
 499
 500
 501 /**********************************************************************
 502  *      ver
 503  *
 504  * DESCRIPTION
 505  *      Print version information.
 506  */
 507 CMDPROTO(cmd_ver)
 508 {
 509         _tprintf(
 510                 _TEXT("\
 511 %s version %s (compiled on %s, at %s)\n\
 512 ReactOS Console Registry Navigator\n\
 513 Copyright (c) 1998, 1999 Emanuele Aliberti\n\n"),
 514                 app_name,
 515                 app_ver,
 516                 _TEXT(__DATE__),
 517                 _TEXT(__TIME__)
 518                 );
 519         return EXIT_SUCCESS;
 520 }
 521
 522
 523 /* === UTILITIES === */
 524
 525
 526 #define ARGV_SIZE 32
 527
 528 INT
 529 ParseCommandLine(
 530         LPTSTR  InputBuffer,
 531         LPTSTR  argv[]
 532         )
 533 {
 534         register INT    n = 0;
 535         register TCHAR  *c = InputBuffer;
 536
 537         assert(InputBuffer);
 538         do
 539         {
 540                 for (   ;
 541                         (       *c
 542                                 && (    (*c == _TEXT(' '))
 543                                         || (*c == _TEXT('\t'))
 544                                         || (*c == _TEXT('\n'))
 545                                         )
 546                                 );
 547                         ++c
 548                         );
 549                 argv[n++] = c;
 550                 if (*c)
 551                 {
 552                         for (   ;
 553                                 (       *c
 554                                         && (*c != _TEXT(' '))
 555                                         && (*c != _TEXT('\t'))
 556                                         && (*c != _TEXT('\n'))
 557                                         );
 558                                 ++c
 559                                 );
 560                         *c++ = _TEXT('\0');
 561                 }
 562         } while ( *c );
 563         return n;
 564 }
 565
 566
 567 VOID
 568 DisplayPrompt(VOID)
 569 {
 570         _tprintf(
 571                 _TEXT("[%s] "),
 572                 CurrentPath
 573                 );
 574 }
 575
 576
 577 /* ===  MAIN  === */
 578
 579
 580 int
 581 main(
 582         int     argc,
 583         char *  argv []
 584         )
 585 {
 586         TCHAR                   InputBuffer [INPUT_BUFFER_SIZE];
 587         PCOMMAND_DESCRIPTOR     cd;
 588         INT                     LocalArgc;
 589         LPTSTR                  LocalArgv [ARGV_SIZE];
 590
 591
 592         while (!Done)
 593         {
 594                 DisplayPrompt();
 595                 _fgetts(
 596                         InputBuffer,
 597                         (sizeof InputBuffer / sizeof (TCHAR)),
 598                         stdin
 599                         );
 600                 if (0 == lstrlen(InputBuffer)) continue;
 601                 LocalArgc = ParseCommandLine(InputBuffer, LocalArgv);
 602                 if (LocalArgc && (cd = DecodeVerb(LocalArgv[0])))
 603                 {
 604                         if (LocalArgc < cd->MinArgc)
 605                         {
 606                                 _tprintf(
 607                                         _TEXT("Too few arguments. Type \"HELP %s\".\n"),
 608                                         LocalArgv[0]
 609                                         );
 610                                 continue;
 611                         }
 612                         if (LocalArgc > cd->MaxArgc)
 613                         {
 614                                 _tprintf(
 615                                         _TEXT("Too many arguments. Type \"HELP %s\".\n"),
 616                                         LocalArgv[0]
 617                                         );
 618                                 continue;
 619                         }
 620                         LastExitCode = cd->Command(
 621                                                 LocalArgc,
 622                                                 LocalArgv
 623                                                 );
 624                         continue;
 625                 }
 626                 _tprintf(
 627                         _TEXT("Unknown command (\"%s\").\n"),
 628                         LocalArgv[0]
 629                         );
 630         }
 631         return EXIT_SUCCESS;
 632 }
 633
 634
 635 /* EOF */