programs/reg/reg.c

   1 /*
   2  * Copyright 2008 Andrew Riedi
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <windows.h>
  20 #include <wine/unicode.h>
  21 #include "reg.h"
  22
  23 static int reg_printfW(const WCHAR *msg, ...)
  24 {
  25     va_list va_args;
  26     int wlen;
  27     DWORD count, ret;
  28     WCHAR msg_buffer[8192];
  29
  30     va_start(va_args, msg);
  31     vsprintfW(msg_buffer, msg, va_args);
  32     va_end(va_args);
  33
  34     wlen = lstrlenW(msg_buffer);
  35     ret = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), msg_buffer, wlen, &count, NULL);
  36     if (!ret)
  37     {
  38         DWORD len;
  39         char  *msgA;
  40
  41         len = WideCharToMultiByte(GetConsoleOutputCP(), 0, msg_buffer, wlen,
  42             NULL, 0, NULL, NULL);
  43         msgA = HeapAlloc(GetProcessHeap(), 0, len * sizeof(char));
  44         if (!msgA)
  45             return 0;
  46
  47         WideCharToMultiByte(GetConsoleOutputCP(), 0, msg_buffer, wlen, msgA, len,
  48             NULL, NULL);
  49         WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), msgA, len, &count, FALSE);
  50         HeapFree(GetProcessHeap(), 0, msgA);
  51     }
  52
  53     return count;
  54 }
  55
  56 static int reg_message(int msg)
  57 {
  58     static const WCHAR formatW[] = {'%','s',0};
  59     WCHAR msg_buffer[8192];
  60
  61     LoadStringW(GetModuleHandleW(NULL), msg, msg_buffer,
  62         sizeof(msg_buffer)/sizeof(WCHAR));
  63     return reg_printfW(formatW, msg_buffer);
  64 }
  65
  66 static HKEY get_rootkey(LPWSTR key)
  67 {
  68     static const WCHAR szHKLM[] = {'H','K','L','M',0};
  69     static const WCHAR szHKCU[] = {'H','K','C','U',0};
  70     static const WCHAR szHKCR[] = {'H','K','C','R',0};
  71     static const WCHAR szHKU[] = {'H','K','U',0};
  72     static const WCHAR szHKCC[] = {'H','K','C','C',0};
  73
  74     if (CompareStringW(CP_ACP,NORM_IGNORECASE,key,4,szHKLM,4)==2)
  75         return HKEY_LOCAL_MACHINE;
  76     else if (CompareStringW(CP_ACP,NORM_IGNORECASE,key,4,szHKCU,4)==2)
  77         return HKEY_CURRENT_USER;
  78     else if (CompareStringW(CP_ACP,NORM_IGNORECASE,key,4,szHKCR,4)==2)
  79         return HKEY_CLASSES_ROOT;
  80     else if (CompareStringW(CP_ACP,NORM_IGNORECASE,key,3,szHKU,3)==2)
  81         return HKEY_USERS;
  82     else if (CompareStringW(CP_ACP,NORM_IGNORECASE,key,4,szHKCC,4)==2)
  83         return HKEY_CURRENT_CONFIG;
  84     else return NULL;
  85 }
  86
  87 static DWORD get_regtype(LPWSTR type)
  88 {
  89     static const WCHAR szREG_SZ[] = {'R','E','G','_','S','Z',0};
  90     static const WCHAR szREG_MULTI_SZ[] = {'R','E','G','_','M','U','L','T','I','_','S','Z',0};
  91     static const WCHAR szREG_DWORD_BIG_ENDIAN[] = {'R','E','G','_','D','W','O','R','D','_','B','I','G','_','E','N','D','I','A','N',0};
  92     static const WCHAR szREG_DWORD[] = {'R','E','G','_','D','W','O','R','D',0};
  93     static const WCHAR szREG_BINARY[] = {'R','E','G','_','B','I','N','A','R','Y',0};
  94     static const WCHAR szREG_DWORD_LITTLE_ENDIAN[] = {'R','E','G','_','D','W','O','R','D','_','L','I','T','T','L','E','_','E','N','D','I','A','N',0};
  95     static const WCHAR szREG_NONE[] = {'R','E','G','_','N','O','N','E',0};
  96     static const WCHAR szREG_EXPAND_SZ[] = {'R','E','G','_','E','X','P','A','N','D','_','S','Z',0};
  97
  98     if (!type)
  99         return REG_SZ;
 100
 101     if (lstrcmpiW(type,szREG_SZ)==0) return REG_SZ;
 102     if (lstrcmpiW(type,szREG_DWORD)==0) return REG_DWORD;
 103     if (lstrcmpiW(type,szREG_MULTI_SZ)==0) return REG_MULTI_SZ;
 104     if (lstrcmpiW(type,szREG_EXPAND_SZ)==0) return REG_EXPAND_SZ;
 105     if (lstrcmpiW(type,szREG_DWORD_BIG_ENDIAN)==0) return REG_DWORD_BIG_ENDIAN;
 106     if (lstrcmpiW(type,szREG_DWORD_LITTLE_ENDIAN)==0) return REG_DWORD_LITTLE_ENDIAN;
 107     if (lstrcmpiW(type,szREG_BINARY)==0) return REG_BINARY;
 108     if (lstrcmpiW(type,szREG_NONE)==0) return REG_NONE;
 109
 110     return -1;
 111 }
 112
 113 static LPBYTE get_regdata(LPWSTR data, DWORD reg_type, WCHAR separator, DWORD *reg_count)
 114 {
 115     LPBYTE out_data = NULL;
 116     *reg_count = 0;
 117
 118     switch (reg_type)
 119     {
 120         case REG_SZ:
 121         {
 122             *reg_count = (lstrlenW(data) + 1) * sizeof(WCHAR);
 123             out_data = HeapAlloc(GetProcessHeap(),0,*reg_count);
 124             lstrcpyW((LPWSTR)out_data,data);
 125             break;
 126         }
 127         default:
 128         {
 129             static const WCHAR unhandled[] = {'U','n','h','a','n','d','l','e','d',' ','T','y','p','e',' ','0','x','%','x',' ',' ','d','a','t','a',' ','%','s','\n',0};
 130             reg_printfW(unhandled, reg_type,data);
 131         }
 132     }
 133
 134     return out_data;
 135 }
 136
 137 static int reg_add(WCHAR *key_name, WCHAR *value_name, BOOL value_empty,
 138     WCHAR *type, WCHAR separator, WCHAR *data, BOOL force)
 139 {
 140     static const WCHAR stubW[] = {'A','D','D',' ','-',' ','%','s',
 141         ' ','%','s',' ','%','d',' ','%','s',' ','%','s',' ','%','d','\n',0};
 142     LPWSTR p;
 143     HKEY root,subkey;
 144
 145     reg_printfW(stubW, key_name, value_name, value_empty, type, data, force);
 146
 147     if (key_name[0]=='\\' && key_name[1]=='\\')
 148     {
 149         reg_message(STRING_NO_REMOTE);
 150         return 0;
 151     }
 152
 153     p = strchrW(key_name,'\\');
 154     if (!p)
 155     {
 156         reg_message(STRING_INVALID_KEY);
 157         return 0;
 158     }
 159     p++;
 160
 161     root = get_rootkey(key_name);
 162     if (!root)
 163     {
 164         reg_message(STRING_INVALID_KEY);
 165         return 0;
 166     }
 167
 168     if(RegCreateKeyW(root,p,&subkey)!=ERROR_SUCCESS)
 169     {
 170         reg_message(STRING_INVALID_KEY);
 171         return 0;
 172     }
 173
 174     if (value_name || data)
 175     {
 176         DWORD reg_type;
 177         DWORD reg_count = 0;
 178         BYTE* reg_data = NULL;
 179
 180         if (!force)
 181         {
 182             if (RegQueryValueW(subkey,value_name,NULL,NULL)==ERROR_SUCCESS)
 183             {
 184                 /* FIXME:  Prompt for overwrite */
 185             }
 186         }
 187
 188         reg_type = get_regtype(type);
 189         if (reg_type == -1)
 190         {
 191             RegCloseKey(subkey);
 192             reg_message(STRING_INVALID_CMDLINE);
 193             return 0;
 194         }
 195
 196         if (data)
 197             reg_data = get_regdata(data,reg_type,separator,&reg_count);
 198
 199         RegSetValueExW(subkey,value_name,0,reg_type,reg_data,reg_count);
 200         HeapFree(GetProcessHeap(),0,reg_data);
 201     }
 202
 203     RegCloseKey(subkey);
 204     reg_message(STRING_SUCCESS);
 205
 206     return 1;
 207 }
 208
 209 static int reg_delete(WCHAR *key_name, WCHAR *value_name, BOOL value_empty,
 210     BOOL value_all, BOOL force)
 211 {
 212     LPWSTR p;
 213     HKEY root,subkey;
 214
 215     static const WCHAR stubW[] = {'D','E','L','E','T','E',
 216         ' ','-',' ','%','s',' ','%','s',' ','%','d',' ','%','d',' ','%','d','\n'
 217         ,0};
 218     reg_printfW(stubW, key_name, value_name, value_empty, value_all, force);
 219
 220     if (key_name[0]=='\\' && key_name[1]=='\\')
 221     {
 222         reg_message(STRING_NO_REMOTE);
 223         return 0;
 224     }
 225
 226     p = strchrW(key_name,'\\');
 227     if (!p)
 228     {
 229         reg_message(STRING_INVALID_KEY);
 230         return 0;
 231     }
 232     p++;
 233
 234     root = get_rootkey(key_name);
 235     if (!root)
 236     {
 237         reg_message(STRING_INVALID_KEY);
 238         return 0;
 239     }
 240
 241     if (value_name && value_empty)
 242     {
 243         RegCloseKey(subkey);
 244         reg_message(STRING_INVALID_CMDLINE);
 245         return 0;
 246     }
 247
 248     if (value_empty && value_all)
 249     {
 250         RegCloseKey(subkey);
 251         reg_message(STRING_INVALID_CMDLINE);
 252         return 0;
 253     }
 254
 255     if (!force)
 256     {
 257         /* FIXME:  Prompt for delete */
 258     }
 259
 260     if (!value_name)
 261     {
 262         if (RegDeleteTreeW(root,p)!=ERROR_SUCCESS)
 263         {
 264             reg_message(STRING_CANNOT_FIND);
 265             return 0;
 266         }
 267         reg_message(STRING_SUCCESS);
 268         return 1;
 269     }
 270
 271     if(RegOpenKeyW(root,p,&subkey)!=ERROR_SUCCESS)
 272     {
 273         reg_message(STRING_CANNOT_FIND);
 274         return 0;
 275     }
 276
 277     if (value_all)
 278     {
 279         LPWSTR szValue;
 280         DWORD maxValue;
 281         DWORD count;
 282         LONG rc;
 283
 284         if (value_name)
 285         {
 286             RegCloseKey(subkey);
 287             reg_message(STRING_INVALID_CMDLINE);
 288             return 0;
 289         }
 290
 291         rc = RegQueryInfoKeyW(subkey, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 292             &maxValue, NULL, NULL, NULL);
 293         if (rc != ERROR_SUCCESS)
 294         {
 295             /* FIXME: failure */
 296             RegCloseKey(subkey);
 297             return 0;
 298         }
 299         maxValue++;
 300         szValue = HeapAlloc(GetProcessHeap(),0,maxValue*sizeof(WCHAR));
 301
 302         while (1)
 303         {
 304             count = maxValue;
 305             rc = RegEnumValueW(subkey, 0, value_name, &count, NULL, NULL, NULL, NULL);
 306             if (rc == ERROR_SUCCESS)
 307             {
 308                 rc = RegDeleteValueW(subkey,value_name);
 309                 if (rc != ERROR_SUCCESS)
 310                     break;
 311             }
 312             else break;
 313         }
 314         if (rc != ERROR_SUCCESS)
 315         {
 316             /* FIXME  delete failed */
 317         }
 318     }
 319     else if (value_name)
 320     {
 321         if (RegDeleteValueW(subkey,value_name) != ERROR_SUCCESS)
 322         {
 323             RegCloseKey(subkey);
 324             reg_message(STRING_CANNOT_FIND);
 325             return 0;
 326         }
 327     }
 328     else if (value_empty)
 329     {
 330         RegSetValueExW(subkey,NULL,0,REG_SZ,NULL,0);
 331     }
 332
 333     RegCloseKey(subkey);
 334     reg_message(STRING_SUCCESS);
 335     return 1;
 336 }
 337
 338 static int reg_query(WCHAR *key_name, WCHAR *value_name, BOOL value_empty,
 339     BOOL subkey)
 340 {
 341     static const WCHAR stubW[] = {'S','T','U','B',' ','Q','U','E','R','Y',' ',
 342         '-',' ','%','s',' ','%','s',' ','%','d',' ','%','d','\n',0};
 343     reg_printfW(stubW, key_name, value_name, value_empty, subkey);
 344
 345     return 1;
 346 }
 347
 348 int wmain(int argc, WCHAR *argvW[])
 349 {
 350     int i;
 351
 352     static const WCHAR addW[] = {'a','d','d',0};
 353     static const WCHAR deleteW[] = {'d','e','l','e','t','e',0};
 354     static const WCHAR queryW[] = {'q','u','e','r','y',0};
 355     static const WCHAR slashDW[] = {'/','d',0};
 356     static const WCHAR slashFW[] = {'/','f',0};
 357     static const WCHAR slashSW[] = {'/','s',0};
 358     static const WCHAR slashTW[] = {'/','t',0};
 359     static const WCHAR slashVW[] = {'/','v',0};
 360     static const WCHAR slashVAW[] = {'/','v','a',0};
 361     static const WCHAR slashVEW[] = {'/','v','e',0};
 362
 363     if (argc < 2)
 364     {
 365         reg_message(STRING_USAGE);
 366         return 1;
 367     }
 368
 369     if (!lstrcmpiW(argvW[1], addW))
 370     {
 371         WCHAR *key_name, *value_name = NULL, *type = NULL, separator = '\0', *data = NULL;
 372         BOOL value_empty = FALSE, force = FALSE;
 373
 374         if (argc < 3)
 375         {
 376             reg_message(STRING_ADD_USAGE);
 377             return 1;
 378         }
 379
 380         key_name = argvW[2];
 381         for (i = 1; i < argc; i++)
 382         {
 383             if (!lstrcmpiW(argvW[i], slashVW))
 384                 value_name = argvW[++i];
 385             else if (!lstrcmpiW(argvW[i], slashVEW))
 386                 value_empty = TRUE;
 387             else if (!lstrcmpiW(argvW[i], slashTW))
 388                 type = argvW[++i];
 389             else if (!lstrcmpiW(argvW[i], slashSW))
 390                 separator = argvW[++i][0];
 391             else if (!lstrcmpiW(argvW[i], slashDW))
 392                 data = argvW[++i];
 393             else if (!lstrcmpiW(argvW[i], slashFW))
 394                 force = TRUE;
 395         }
 396         return reg_add(key_name, value_name, value_empty, type, separator,
 397             data, force);
 398     }
 399     else if (!lstrcmpiW(argvW[1], deleteW))
 400     {
 401         WCHAR *key_name, *value_name = NULL;
 402         BOOL value_empty = FALSE, value_all = FALSE, force = FALSE;
 403
 404         if (argc < 3)
 405         {
 406             reg_message(STRING_DELETE_USAGE);
 407             return 1;
 408         }
 409
 410         key_name = argvW[2];
 411         for (i = 1; i < argc; i++)
 412         {
 413             if (!lstrcmpiW(argvW[i], slashVW))
 414                 value_name = argvW[++i];
 415             else if (!lstrcmpiW(argvW[i], slashVEW))
 416                 value_empty = TRUE;
 417             else if (!lstrcmpiW(argvW[i], slashVAW))
 418                 value_all = TRUE;
 419             else if (!lstrcmpiW(argvW[i], slashFW))
 420                 force = TRUE;
 421         }
 422         return reg_delete(key_name, value_name, value_empty, value_all, force);
 423     }
 424     else if (!lstrcmpiW(argvW[1], queryW))
 425     {
 426         WCHAR *key_name, *value_name = NULL;
 427         BOOL value_empty = FALSE, subkey = FALSE;
 428
 429         if (argc < 3)
 430         {
 431             reg_message(STRING_QUERY_USAGE);
 432             return 1;
 433         }
 434
 435         key_name = argvW[2];
 436         for (i = 1; i < argc; i++)
 437         {
 438             if (!lstrcmpiW(argvW[i], slashVW))
 439                 value_name = argvW[++i];
 440             else if (!lstrcmpiW(argvW[i], slashVEW))
 441                 value_empty = TRUE;
 442             else if (!lstrcmpiW(argvW[i], slashSW))
 443                 subkey = TRUE;
 444         }
 445         return reg_query(key_name, value_name, value_empty, subkey);
 446     }
 447
 448     return 0;
 449 }