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 1;
 151     }
 152
 153     p = strchrW(key_name,'\\');
 154     if (!p)
 155     {
 156         reg_message(STRING_INVALID_KEY);
 157         return 1;
 158     }
 159     p++;
 160
 161     root = get_rootkey(key_name);
 162     if (!root)
 163     {
 164         reg_message(STRING_INVALID_KEY);
 165         return 1;
 166     }
 167
 168     if(RegCreateKeyW(root,p,&subkey)!=ERROR_SUCCESS)
 169     {
 170         reg_message(STRING_INVALID_KEY);
 171         return 1;
 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 1;
 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 0;
 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 1;
 224     }
 225
 226     p = strchrW(key_name,'\\');
 227     if (!p)
 228     {
 229         reg_message(STRING_INVALID_KEY);
 230         return 1;
 231     }
 232     p++;
 233
 234     root = get_rootkey(key_name);
 235     if (!root)
 236     {
 237         reg_message(STRING_INVALID_KEY);
 238         return 1;
 239     }
 240
 241     if (value_name && value_empty)
 242     {
 243         reg_message(STRING_INVALID_CMDLINE);
 244         return 1;
 245     }
 246
 247     if (value_empty && value_all)
 248     {
 249         reg_message(STRING_INVALID_CMDLINE);
 250         return 1;
 251     }
 252
 253     if (!force)
 254     {
 255         /* FIXME:  Prompt for delete */
 256     }
 257
 258     /* Delete subtree only if no /v* option is given */
 259     if (!value_name && !value_empty && !value_all)
 260     {
 261         if (RegDeleteTreeW(root,p)!=ERROR_SUCCESS)
 262         {
 263             reg_message(STRING_CANNOT_FIND);
 264             return 1;
 265         }
 266         reg_message(STRING_SUCCESS);
 267         return 0;
 268     }
 269
 270     if(RegOpenKeyW(root,p,&subkey)!=ERROR_SUCCESS)
 271     {
 272         reg_message(STRING_CANNOT_FIND);
 273         return 1;
 274     }
 275
 276     if (value_all)
 277     {
 278         LPWSTR szValue;
 279         DWORD maxValue;
 280         DWORD count;
 281         LONG rc;
 282
 283         rc = RegQueryInfoKeyW(subkey, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 284             &maxValue, NULL, NULL, NULL);
 285         if (rc != ERROR_SUCCESS)
 286         {
 287             /* FIXME: failure */
 288             RegCloseKey(subkey);
 289             return 1;
 290         }
 291         maxValue++;
 292         szValue = HeapAlloc(GetProcessHeap(),0,maxValue*sizeof(WCHAR));
 293
 294         while (1)
 295         {
 296             count = maxValue;
 297             rc = RegEnumValueW(subkey, 0, szValue, &count, NULL, NULL, NULL, NULL);
 298             if (rc == ERROR_SUCCESS)
 299             {
 300                 rc = RegDeleteValueW(subkey, szValue);
 301                 if (rc != ERROR_SUCCESS)
 302                     break;
 303             }
 304             else break;
 305         }
 306         if (rc != ERROR_SUCCESS)
 307         {
 308             /* FIXME  delete failed */
 309         }
 310     }
 311     else if (value_name)
 312     {
 313         if (RegDeleteValueW(subkey,value_name) != ERROR_SUCCESS)
 314         {
 315             RegCloseKey(subkey);
 316             reg_message(STRING_CANNOT_FIND);
 317             return 1;
 318         }
 319     }
 320     else if (value_empty)
 321     {
 322         RegSetValueExW(subkey,NULL,0,REG_SZ,NULL,0);
 323     }
 324
 325     RegCloseKey(subkey);
 326     reg_message(STRING_SUCCESS);
 327     return 0;
 328 }
 329
 330 static int reg_query(WCHAR *key_name, WCHAR *value_name, BOOL value_empty,
 331     BOOL subkey)
 332 {
 333     static const WCHAR stubW[] = {'S','T','U','B',' ','Q','U','E','R','Y',' ',
 334         '-',' ','%','s',' ','%','s',' ','%','d',' ','%','d','\n',0};
 335     reg_printfW(stubW, key_name, value_name, value_empty, subkey);
 336
 337     return 1;
 338 }
 339
 340 int wmain(int argc, WCHAR *argvW[])
 341 {
 342     int i;
 343
 344     static const WCHAR addW[] = {'a','d','d',0};
 345     static const WCHAR deleteW[] = {'d','e','l','e','t','e',0};
 346     static const WCHAR queryW[] = {'q','u','e','r','y',0};
 347     static const WCHAR slashDW[] = {'/','d',0};
 348     static const WCHAR slashFW[] = {'/','f',0};
 349     static const WCHAR slashHW[] = {'/','h',0};
 350     static const WCHAR slashSW[] = {'/','s',0};
 351     static const WCHAR slashTW[] = {'/','t',0};
 352     static const WCHAR slashVW[] = {'/','v',0};
 353     static const WCHAR slashVAW[] = {'/','v','a',0};
 354     static const WCHAR slashVEW[] = {'/','v','e',0};
 355     static const WCHAR slashHelpW[] = {'/','?',0};
 356
 357     if (argc < 2 || !lstrcmpW(argvW[1], slashHelpW)
 358                  || !lstrcmpiW(argvW[1], slashHW))
 359     {
 360         reg_message(STRING_USAGE);
 361         return 0;
 362     }
 363
 364     if (!lstrcmpiW(argvW[1], addW))
 365     {
 366         WCHAR *key_name, *value_name = NULL, *type = NULL, separator = '\0', *data = NULL;
 367         BOOL value_empty = FALSE, force = FALSE;
 368
 369         if (argc < 3)
 370         {
 371             reg_message(STRING_INVALID_CMDLINE);
 372             return 1;
 373         }
 374         else if (argc == 3 && (!lstrcmpW(argvW[2], slashHelpW) ||
 375                                !lstrcmpiW(argvW[2], slashHW)))
 376         {
 377             reg_message(STRING_ADD_USAGE);
 378             return 0;
 379         }
 380
 381         key_name = argvW[2];
 382         for (i = 1; i < argc; i++)
 383         {
 384             if (!lstrcmpiW(argvW[i], slashVW))
 385                 value_name = argvW[++i];
 386             else if (!lstrcmpiW(argvW[i], slashVEW))
 387                 value_empty = TRUE;
 388             else if (!lstrcmpiW(argvW[i], slashTW))
 389                 type = argvW[++i];
 390             else if (!lstrcmpiW(argvW[i], slashSW))
 391                 separator = argvW[++i][0];
 392             else if (!lstrcmpiW(argvW[i], slashDW))
 393                 data = argvW[++i];
 394             else if (!lstrcmpiW(argvW[i], slashFW))
 395                 force = TRUE;
 396         }
 397         return reg_add(key_name, value_name, value_empty, type, separator,
 398             data, force);
 399     }
 400     else if (!lstrcmpiW(argvW[1], deleteW))
 401     {
 402         WCHAR *key_name, *value_name = NULL;
 403         BOOL value_empty = FALSE, value_all = FALSE, force = FALSE;
 404
 405         if (argc < 3)
 406         {
 407             reg_message(STRING_INVALID_CMDLINE);
 408             return 1;
 409         }
 410         else if (argc == 3 && (!lstrcmpW(argvW[2], slashHelpW) ||
 411                                !lstrcmpiW(argvW[2], slashHW)))
 412         {
 413             reg_message(STRING_DELETE_USAGE);
 414             return 0;
 415         }
 416
 417         key_name = argvW[2];
 418         for (i = 1; i < argc; i++)
 419         {
 420             if (!lstrcmpiW(argvW[i], slashVW))
 421                 value_name = argvW[++i];
 422             else if (!lstrcmpiW(argvW[i], slashVEW))
 423                 value_empty = TRUE;
 424             else if (!lstrcmpiW(argvW[i], slashVAW))
 425                 value_all = TRUE;
 426             else if (!lstrcmpiW(argvW[i], slashFW))
 427                 force = TRUE;
 428         }
 429         return reg_delete(key_name, value_name, value_empty, value_all, force);
 430     }
 431     else if (!lstrcmpiW(argvW[1], queryW))
 432     {
 433         WCHAR *key_name, *value_name = NULL;
 434         BOOL value_empty = FALSE, subkey = FALSE;
 435
 436         if (argc < 3)
 437         {
 438             reg_message(STRING_INVALID_CMDLINE);
 439             return 1;
 440         }
 441         else if (argc == 3 && (!lstrcmpW(argvW[2], slashHelpW) ||
 442                                !lstrcmpiW(argvW[2], slashHW)))
 443         {
 444             reg_message(STRING_QUERY_USAGE);
 445             return 0;
 446         }
 447
 448         key_name = argvW[2];
 449         for (i = 1; i < argc; i++)
 450         {
 451             if (!lstrcmpiW(argvW[i], slashVW))
 452                 value_name = argvW[++i];
 453             else if (!lstrcmpiW(argvW[i], slashVEW))
 454                 value_empty = TRUE;
 455             else if (!lstrcmpiW(argvW[i], slashSW))
 456                 subkey = TRUE;
 457         }
 458         return reg_query(key_name, value_name, value_empty, subkey);
 459     }
 460     else
 461     {
 462         reg_message(STRING_INVALID_CMDLINE);
 463         return 1;
 464     }
 465 }