dll/win32/advpack/reg.c

   1 /*
   2  * Advpack registry functions
   3  *
   4  * Copyright 2004 Huw D M Davies
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include "windef.h"
  23 #include "winbase.h"
  24 #include "winreg.h"
  25 #include "winnls.h"
  26 #include "winerror.h"
  27 #include "winuser.h"
  28 #include "winternl.h"
  29 #include "advpub.h"
  30 #include "wine/debug.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(advpack);
  33
  34 static const WCHAR REGINST[] = {'R','E','G','I','N','S','T',0};
  35 static const WCHAR Strings[] = {'S','t','r','i','n','g','s',0};
  36 static const WCHAR MOD_PATH[] = {'_','M','O','D','_','P','A','T','H',0};
  37 static const WCHAR SYS_MOD_PATH[] = {'_','S','Y','S','_','M','O','D','_','P','A','T','H',0};
  38 static const WCHAR SystemRoot[] = {'S','y','s','t','e','m','R','o','o','t',0};
  39 static const WCHAR escaped_SystemRoot[] = {'%','S','y','s','t','e','m','R','o','o','t','%',0};
  40 static const WCHAR quote[] = {'\"',0};
  41
  42 static BOOL get_temp_ini_path(LPWSTR name)
  43 {
  44     static const WCHAR prefix[] = {'a','v','p',0};
  45     WCHAR tmp_dir[MAX_PATH];
  46
  47     if(!GetTempPathW(ARRAY_SIZE(tmp_dir), tmp_dir))
  48        return FALSE;
  49
  50     if(!GetTempFileNameW(tmp_dir, prefix, 0, name))
  51         return FALSE;
  52     return TRUE;
  53 }
  54
  55 static BOOL create_tmp_ini_file(HMODULE hm, WCHAR *ini_file)
  56 {
  57     HRSRC hrsrc;
  58     HGLOBAL hmem = NULL;
  59     DWORD rsrc_size, bytes_written;
  60     VOID *rsrc_data;
  61     HANDLE hf = INVALID_HANDLE_VALUE;
  62
  63     if(!get_temp_ini_path(ini_file)) {
  64         ERR("Can't get temp ini file path\n");
  65         goto error;
  66     }
  67
  68     if(!(hrsrc = FindResourceW(hm, REGINST, REGINST))) {
  69         ERR("Can't find REGINST resource\n");
  70         goto error;
  71     }
  72
  73     rsrc_size = SizeofResource(hm, hrsrc);
  74     hmem = LoadResource(hm, hrsrc);
  75     rsrc_data = LockResource(hmem);
  76
  77     if(!rsrc_data || !rsrc_size) {
  78         ERR("Can't load REGINST resource\n");
  79         goto error;
  80     }
  81
  82     if((hf = CreateFileW(ini_file, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
  83                          FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE) {
  84         ERR("Unable to create temp ini file\n");
  85         goto error;
  86     }
  87     if(!WriteFile(hf, rsrc_data, rsrc_size, &bytes_written, NULL) || rsrc_size != bytes_written) {
  88         ERR("Write failed\n");
  89         goto error;
  90     }
  91     FreeResource(hmem);
  92     CloseHandle(hf);
  93     return TRUE;
  94 error:
  95     if(hmem) FreeResource(hmem);
  96     if(hf != INVALID_HANDLE_VALUE) CloseHandle(hf);
  97     return FALSE;
  98 }
  99
 100 static void strentry_atow(const STRENTRYA *aentry, STRENTRYW *wentry)
 101 {
 102     DWORD name_len, val_len;
 103
 104     name_len = MultiByteToWideChar(CP_ACP, 0, aentry->pszName, -1, NULL, 0);
 105     val_len = MultiByteToWideChar(CP_ACP, 0, aentry->pszValue, -1, NULL, 0);
 106
 107     wentry->pszName = HeapAlloc(GetProcessHeap(), 0, name_len * sizeof(WCHAR));
 108     wentry->pszValue = HeapAlloc(GetProcessHeap(), 0, val_len * sizeof(WCHAR));
 109
 110     MultiByteToWideChar(CP_ACP, 0, aentry->pszName, -1, wentry->pszName, name_len);
 111     MultiByteToWideChar(CP_ACP, 0, aentry->pszValue, -1, wentry->pszValue, val_len);
 112 }
 113
 114 static STRTABLEW *strtable_atow(const STRTABLEA *atable)
 115 {
 116     STRTABLEW *wtable;
 117     DWORD j;
 118
 119     wtable = HeapAlloc(GetProcessHeap(), 0, sizeof(STRTABLEW));
 120     wtable->pse = HeapAlloc(GetProcessHeap(), 0, atable->cEntries * sizeof(STRENTRYW));
 121     wtable->cEntries = atable->cEntries;
 122
 123     for (j = 0; j < wtable->cEntries; j++)
 124         strentry_atow(&atable->pse[j], &wtable->pse[j]);
 125
 126     return wtable;
 127 }
 128
 129 static void free_strtable(STRTABLEW *wtable)
 130 {
 131     DWORD j;
 132
 133     for (j = 0; j < wtable->cEntries; j++)
 134     {
 135         HeapFree(GetProcessHeap(), 0, wtable->pse[j].pszName);
 136         HeapFree(GetProcessHeap(), 0, wtable->pse[j].pszValue);
 137     }
 138
 139     HeapFree(GetProcessHeap(), 0, wtable->pse);
 140     HeapFree(GetProcessHeap(), 0, wtable);
 141 }
 142
 143 /***********************************************************************
 144  *          RegInstallA (advpack.@)
 145  *
 146  * See RegInstallW.
 147  */
 148 HRESULT WINAPI RegInstallA(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable)
 149 {
 150     UNICODE_STRING section;
 151     STRTABLEW *wtable;
 152     HRESULT hr;
 153
 154     TRACE("(%p, %s, %p)\n", hm, debugstr_a(pszSection), pstTable);
 155
 156     if (pstTable)
 157         wtable = strtable_atow(pstTable);
 158     else
 159         wtable = NULL;
 160
 161     RtlCreateUnicodeStringFromAsciiz(&section, pszSection);
 162
 163     hr = RegInstallW(hm, section.Buffer, wtable);
 164
 165     if (pstTable)
 166         free_strtable(wtable);
 167
 168     RtlFreeUnicodeString(&section);
 169
 170     return hr;
 171 }
 172
 173 static HRESULT write_predefined_strings(HMODULE hm, LPCWSTR ini_path)
 174 {
 175     WCHAR mod_path[MAX_PATH + 2];
 176     WCHAR sys_mod_path[MAX_PATH + 2];
 177     WCHAR sys_root[MAX_PATH];
 178
 179     *mod_path = '\"';
 180     if (!GetModuleFileNameW(hm, mod_path + 1, ARRAY_SIZE(mod_path) - 2))
 181         return E_FAIL;
 182
 183     lstrcatW(mod_path, quote);
 184     WritePrivateProfileStringW(Strings, MOD_PATH, mod_path, ini_path);
 185
 186     *sys_root = '\0';
 187     GetEnvironmentVariableW(SystemRoot, sys_root, ARRAY_SIZE(sys_root));
 188
 189     if(!_wcsnicmp(sys_root, mod_path + 1, lstrlenW(sys_root)))
 190     {
 191         *sys_mod_path = '\"';
 192         lstrcpyW(sys_mod_path + 1, escaped_SystemRoot);
 193         lstrcatW(sys_mod_path, mod_path + 1 + lstrlenW(sys_root));
 194     }
 195     else
 196     {
 197         FIXME("SYS_MOD_PATH needs more work\n");
 198         lstrcpyW(sys_mod_path, mod_path);
 199     }
 200
 201     WritePrivateProfileStringW(Strings, SYS_MOD_PATH, sys_mod_path, ini_path);
 202
 203     return S_OK;
 204 }
 205
 206 /***********************************************************************
 207  *          RegInstallW (advpack.@)
 208  *
 209  * Loads an INF from a string resource, adds entries to the string
 210  * substitution table, and executes the INF.
 211  *
 212  * PARAMS
 213  *   hm         [I] Module that contains the REGINST resource.
 214  *   pszSection [I] The INF section to execute.
 215  *   pstTable   [I] Table of string substitutions.
 216  *
 217  * RETURNS
 218  *   Success: S_OK.
 219  *   Failure: E_FAIL.
 220  */
 221 HRESULT WINAPI RegInstallW(HMODULE hm, LPCWSTR pszSection, const STRTABLEW* pstTable)
 222 {
 223     unsigned int i;
 224     CABINFOW cabinfo;
 225     WCHAR tmp_ini_path[MAX_PATH];
 226     HRESULT hr = E_FAIL;
 227
 228     TRACE("(%p, %s, %p)\n", hm, debugstr_w(pszSection), pstTable);
 229
 230     if(!create_tmp_ini_file(hm, tmp_ini_path))
 231         return E_FAIL;
 232
 233     if (write_predefined_strings(hm, tmp_ini_path) != S_OK)
 234         goto done;
 235
 236     /* Write the additional string table */
 237     if (pstTable)
 238     {
 239         for(i = 0; i < pstTable->cEntries; i++)
 240         {
 241             WCHAR tmp_value[MAX_PATH + 2];
 242
 243             tmp_value[0] = '\"';
 244             lstrcpyW(tmp_value + 1, pstTable->pse[i].pszValue);
 245             lstrcatW(tmp_value, quote);
 246
 247             WritePrivateProfileStringW(Strings, pstTable->pse[i].pszName, tmp_value, tmp_ini_path);
 248         }
 249     }
 250
 251     /* flush cache */
 252     WritePrivateProfileStringW(NULL, NULL, NULL, tmp_ini_path);
 253
 254     /* FIXME: read AdvOptions val for dwFlags */
 255     ZeroMemory(&cabinfo, sizeof(CABINFOW));
 256     cabinfo.pszInf = tmp_ini_path;
 257     cabinfo.pszSection = (LPWSTR)pszSection;
 258     cabinfo.dwFlags = 0;
 259
 260     hr = ExecuteCabW(NULL, &cabinfo, NULL);
 261
 262 done:
 263
 264     DeleteFileW(tmp_ini_path);
 265
 266     return hr;
 267 }
 268
 269 /***********************************************************************
 270  *          RegRestoreAllA (advpack.@)
 271  *
 272  * See RegRestoreAllW.
 273  */
 274 HRESULT WINAPI RegRestoreAllA(HWND hWnd, LPSTR pszTitleString, HKEY hkBackupKey)
 275 {
 276     UNICODE_STRING title;
 277     HRESULT hr;
 278
 279     TRACE("(%p, %s, %p)\n", hWnd, debugstr_a(pszTitleString), hkBackupKey);
 280
 281     RtlCreateUnicodeStringFromAsciiz(&title, pszTitleString);
 282
 283     hr = RegRestoreAllW(hWnd, title.Buffer, hkBackupKey);
 284
 285     RtlFreeUnicodeString(&title);
 286
 287     return hr;
 288 }
 289
 290 /***********************************************************************
 291  *          RegRestoreAllW (advpack.@)
 292  *
 293  * Restores all saved registry entries.
 294  *
 295  * PARAMS
 296  *   hWnd           [I] Handle to the window used for the display.
 297  *   pszTitleString [I] Title of the window.
 298  *   hkBackupKey    [I] Handle to the backup key.
 299  *
 300  * RETURNS
 301  *   Success: S_OK.
 302  *   Failure: E_FAIL.
 303  *
 304  * BUGS
 305  *   Unimplemented.
 306  */
 307 HRESULT WINAPI RegRestoreAllW(HWND hWnd, LPWSTR pszTitleString, HKEY hkBackupKey)
 308 {
 309     FIXME("(%p, %s, %p) stub\n", hWnd, debugstr_w(pszTitleString), hkBackupKey);
 310
 311     return E_FAIL;
 312 }
 313
 314 /***********************************************************************
 315  *          RegSaveRestoreA (advpack.@)
 316  *
 317  * See RegSaveRestoreW.
 318  */
 319 HRESULT WINAPI RegSaveRestoreA(HWND hWnd, LPCSTR pszTitleString, HKEY hkBackupKey,
 320                                LPCSTR pcszRootKey, LPCSTR pcszSubKey,
 321                                LPCSTR pcszValueName, DWORD dwFlags)
 322 {
 323     UNICODE_STRING title, root, subkey, value;
 324     HRESULT hr;
 325
 326     TRACE("(%p, %s, %p, %s, %s, %s, %d)\n", hWnd, debugstr_a(pszTitleString),
 327           hkBackupKey, debugstr_a(pcszRootKey), debugstr_a(pcszSubKey),
 328           debugstr_a(pcszValueName), dwFlags);
 329
 330     RtlCreateUnicodeStringFromAsciiz(&title, pszTitleString);
 331     RtlCreateUnicodeStringFromAsciiz(&root, pcszRootKey);
 332     RtlCreateUnicodeStringFromAsciiz(&subkey, pcszSubKey);
 333     RtlCreateUnicodeStringFromAsciiz(&value, pcszValueName);
 334
 335     hr = RegSaveRestoreW(hWnd, title.Buffer, hkBackupKey, root.Buffer,
 336                          subkey.Buffer, value.Buffer, dwFlags);
 337
 338     RtlFreeUnicodeString(&title);
 339     RtlFreeUnicodeString(&root);
 340     RtlFreeUnicodeString(&subkey);
 341     RtlFreeUnicodeString(&value);
 342
 343     return hr;
 344 }
 345
 346 /***********************************************************************
 347  *          RegSaveRestoreW (advpack.@)
 348  *
 349  * Saves or restores the specified registry value.
 350  *
 351  * PARAMS
 352  *   hWnd           [I] Handle to the window used for the display.
 353  *   pszTitleString [I] Title of the window.
 354  *   hkBackupKey    [I] Key used to store the backup data.
 355  *   pcszRootKey    [I] Root key of the registry value
 356  *   pcszSubKey     [I] Sub key of the registry value.
 357  *   pcszValueName  [I] Value to save or restore.
 358  *   dwFlags        [I] See advpub.h.
 359  *
 360  * RETURNS
 361  *   Success: S_OK.
 362  *   Failure: E_FAIL.
 363  *
 364  * BUGS
 365  *   Unimplemented.
 366  */
 367 HRESULT WINAPI RegSaveRestoreW(HWND hWnd, LPCWSTR pszTitleString, HKEY hkBackupKey,
 368                                LPCWSTR pcszRootKey, LPCWSTR pcszSubKey,
 369                                LPCWSTR pcszValueName, DWORD dwFlags)
 370 {
 371     FIXME("(%p, %s, %p, %s, %s, %s, %d): stub\n", hWnd, debugstr_w(pszTitleString),
 372           hkBackupKey, debugstr_w(pcszRootKey), debugstr_w(pcszSubKey),
 373           debugstr_w(pcszValueName), dwFlags);
 374
 375     return E_FAIL;
 376 }
 377
 378 /***********************************************************************
 379  *          RegSaveRestoreOnINFA (advpack.@)
 380  *
 381  * See RegSaveRestoreOnINFW.
 382  */
 383 HRESULT WINAPI RegSaveRestoreOnINFA(HWND hWnd, LPCSTR pszTitle, LPCSTR pszINF,
 384                                     LPCSTR pszSection, HKEY hHKLMBackKey,
 385                                     HKEY hHKCUBackKey, DWORD dwFlags)
 386 {
 387     UNICODE_STRING title, inf, section;
 388     HRESULT hr;
 389
 390     TRACE("(%p, %s, %s, %s, %p, %p, %d)\n", hWnd, debugstr_a(pszTitle),
 391           debugstr_a(pszINF), debugstr_a(pszSection),
 392           hHKLMBackKey, hHKCUBackKey, dwFlags);
 393
 394     RtlCreateUnicodeStringFromAsciiz(&title, pszTitle);
 395     RtlCreateUnicodeStringFromAsciiz(&inf, pszINF);
 396     RtlCreateUnicodeStringFromAsciiz(&section, pszSection);
 397
 398     hr = RegSaveRestoreOnINFW(hWnd, title.Buffer, inf.Buffer, section.Buffer,
 399                               hHKLMBackKey, hHKCUBackKey, dwFlags);
 400
 401     RtlFreeUnicodeString(&title);
 402     RtlFreeUnicodeString(&inf);
 403     RtlFreeUnicodeString(&section);
 404
 405     return hr;
 406 }
 407
 408 /***********************************************************************
 409  *          RegSaveRestoreOnINFW (advpack.@)
 410  *
 411  * Saves or restores the specified INF Reg section.
 412  *
 413  * PARAMS
 414  *   hWnd         [I] Handle to the window used for the display.
 415  *   pszTitle     [I] Title of the window.
 416  *   pszINF       [I] Filename of the INF.
 417  *   pszSection   [I] Section to save or restore.
 418  *   hHKLMBackKey [I] Opened key in HKLM to store data.
 419  *   hHKCUBackKey [I] Opened key in HKCU to store data.
 420  *   dwFlags      [I] See advpub.h
 421  *
 422  * RETURNS
 423  *   Success: S_OK.
 424  *   Failure: E_FAIL.
 425  *
 426  * BUGS
 427  *   Unimplemented.
 428  */
 429 HRESULT WINAPI RegSaveRestoreOnINFW(HWND hWnd, LPCWSTR pszTitle, LPCWSTR pszINF,
 430                                     LPCWSTR pszSection, HKEY hHKLMBackKey,
 431                                     HKEY hHKCUBackKey, DWORD dwFlags)
 432 {
 433     FIXME("(%p, %s, %s, %s, %p, %p, %d): stub\n", hWnd, debugstr_w(pszTitle),
 434           debugstr_w(pszINF), debugstr_w(pszSection),
 435           hHKLMBackKey, hHKCUBackKey, dwFlags);
 436
 437     return E_FAIL;
 438 }