advpack: Remove some dead code. (Coverity)
[wine/multimedia.git] / dlls / advpack / reg.c
blob64e3ca65e32c32ede3ca6989415c439e7bd4bc72
1 /*
2 * Advpack registry functions
4 * Copyright 2004 Huw D M Davies
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.
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.
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
21 #include <stdarg.h>
22 #include "windef.h"
23 #include "winbase.h"
24 #include "winreg.h"
25 #include "winerror.h"
26 #include "winuser.h"
27 #include "winternl.h"
28 #include "setupapi.h"
29 #include "advpub.h"
30 #include "wine/unicode.h"
31 #include "wine/debug.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(advpack);
35 static const WCHAR REGINST[] = {'R','E','G','I','N','S','T',0};
36 static const WCHAR Strings[] = {'S','t','r','i','n','g','s',0};
37 static const WCHAR MOD_PATH[] = {'_','M','O','D','_','P','A','T','H',0};
38 static const WCHAR SYS_MOD_PATH[] = {'_','S','Y','S','_','M','O','D','_','P','A','T','H',0};
39 static const WCHAR SystemRoot[] = {'S','y','s','t','e','m','R','o','o','t',0};
40 static const WCHAR escaped_SystemRoot[] = {'%','S','y','s','t','e','m','R','o','o','t','%',0};
41 static const WCHAR quote[] = {'\"',0};
43 static BOOL get_temp_ini_path(LPWSTR name)
45 WCHAR tmp_dir[MAX_PATH];
46 WCHAR prefix[] = {'a','v','p',0};
48 if(!GetTempPathW(sizeof(tmp_dir)/sizeof(WCHAR), tmp_dir))
49 return FALSE;
51 if(!GetTempFileNameW(tmp_dir, prefix, 0, name))
52 return FALSE;
53 return TRUE;
56 static BOOL create_tmp_ini_file(HMODULE hm, WCHAR *ini_file)
58 HRSRC hrsrc;
59 HGLOBAL hmem = NULL;
60 DWORD rsrc_size, bytes_written;
61 VOID *rsrc_data;
62 HANDLE hf = INVALID_HANDLE_VALUE;
64 if(!get_temp_ini_path(ini_file)) {
65 ERR("Can't get temp ini file path\n");
66 goto error;
69 if(!(hrsrc = FindResourceW(hm, REGINST, REGINST))) {
70 ERR("Can't find REGINST resource\n");
71 goto error;
74 rsrc_size = SizeofResource(hm, hrsrc);
75 hmem = LoadResource(hm, hrsrc);
76 rsrc_data = LockResource(hmem);
78 if(!rsrc_data || !rsrc_size) {
79 ERR("Can't load REGINST resource\n");
80 goto error;
83 if((hf = CreateFileW(ini_file, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
84 FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE) {
85 ERR("Unable to create temp ini file\n");
86 goto error;
88 if(!WriteFile(hf, rsrc_data, rsrc_size, &bytes_written, NULL) || rsrc_size != bytes_written) {
89 ERR("Write failed\n");
90 goto error;
92 FreeResource(hmem);
93 CloseHandle(hf);
94 return TRUE;
95 error:
96 if(hmem) FreeResource(hmem);
97 if(hf != INVALID_HANDLE_VALUE) CloseHandle(hf);
98 return FALSE;
101 static void strentry_atow(STRENTRYA *aentry, STRENTRYW *wentry)
103 DWORD name_len, val_len;
105 name_len = MultiByteToWideChar(CP_ACP, 0, aentry->pszName, -1, NULL, 0);
106 val_len = MultiByteToWideChar(CP_ACP, 0, aentry->pszValue, -1, NULL, 0);
108 wentry->pszName = HeapAlloc(GetProcessHeap(), 0, name_len * sizeof(WCHAR));
109 wentry->pszValue = HeapAlloc(GetProcessHeap(), 0, val_len * sizeof(WCHAR));
111 MultiByteToWideChar(CP_ACP, 0, aentry->pszName, -1, wentry->pszName, name_len);
112 MultiByteToWideChar(CP_ACP, 0, aentry->pszValue, -1, wentry->pszValue, val_len);
115 static STRTABLEW *strtable_atow(const STRTABLEA *atable)
117 STRTABLEW *wtable;
118 DWORD j;
120 wtable = HeapAlloc(GetProcessHeap(), 0, sizeof(STRTABLEW));
121 wtable->pse = HeapAlloc(GetProcessHeap(), 0, atable->cEntries * sizeof(STRENTRYW));
122 wtable->cEntries = atable->cEntries;
124 for (j = 0; j < wtable->cEntries; j++)
125 strentry_atow(&atable->pse[j], &wtable->pse[j]);
127 return wtable;
130 static void free_strtable(STRTABLEW *wtable)
132 DWORD j;
134 for (j = 0; j < wtable->cEntries; j++)
136 HeapFree(GetProcessHeap(), 0, wtable->pse[j].pszName);
137 HeapFree(GetProcessHeap(), 0, wtable->pse[j].pszValue);
140 HeapFree(GetProcessHeap(), 0, wtable->pse);
141 HeapFree(GetProcessHeap(), 0, wtable);
144 /***********************************************************************
145 * RegInstallA (advpack.@)
147 * See RegInstallW.
149 HRESULT WINAPI RegInstallA(HMODULE hm, LPCSTR pszSection, const STRTABLEA* pstTable)
151 UNICODE_STRING section;
152 STRTABLEW *wtable;
153 HRESULT hr;
155 TRACE("(%p, %s, %p)\n", hm, debugstr_a(pszSection), pstTable);
157 if (pstTable)
158 wtable = strtable_atow(pstTable);
159 else
160 wtable = NULL;
162 RtlCreateUnicodeStringFromAsciiz(&section, pszSection);
164 hr = RegInstallW(hm, section.Buffer, wtable);
166 if (pstTable)
167 free_strtable(wtable);
169 RtlFreeUnicodeString(&section);
171 return hr;
174 static HRESULT write_predefined_strings(HMODULE hm, LPWSTR ini_path)
176 WCHAR mod_path[MAX_PATH + 2];
177 WCHAR sys_mod_path[MAX_PATH + 2];
178 WCHAR sys_root[MAX_PATH];
180 *mod_path = '\"';
181 if (!GetModuleFileNameW(hm, mod_path + 1, sizeof(mod_path) / sizeof(WCHAR) - 2))
182 return E_FAIL;
184 lstrcatW(mod_path, quote);
185 WritePrivateProfileStringW(Strings, MOD_PATH, mod_path, ini_path);
187 *sys_root = '\0';
188 GetEnvironmentVariableW(SystemRoot, sys_root, sizeof(sys_root) / sizeof(WCHAR));
190 if(!strncmpiW(sys_root, mod_path + 1, strlenW(sys_root)))
192 *sys_mod_path = '\"';
193 strcpyW(sys_mod_path + 1, escaped_SystemRoot);
194 strcatW(sys_mod_path, mod_path + 1 + strlenW(sys_root));
196 else
198 FIXME("SYS_MOD_PATH needs more work\n");
199 strcpyW(sys_mod_path, mod_path);
202 WritePrivateProfileStringW(Strings, SYS_MOD_PATH, sys_mod_path, ini_path);
204 return S_OK;
207 /***********************************************************************
208 * RegInstallW (advpack.@)
210 * Loads an INF from a string resource, adds entries to the string
211 * substitution table, and executes the INF.
213 * PARAMS
214 * hm [I] Module that contains the REGINST resouce.
215 * pszSection [I] The INF section to execute.
216 * pstTable [I] Table of string substitutions.
218 * RETURNS
219 * Success: S_OK.
220 * Failure: E_FAIL.
222 HRESULT WINAPI RegInstallW(HMODULE hm, LPCWSTR pszSection, const STRTABLEW* pstTable)
224 int i;
225 CABINFOW cabinfo;
226 WCHAR tmp_ini_path[MAX_PATH];
227 HRESULT hr = E_FAIL;
229 TRACE("(%p, %s, %p)\n", hm, debugstr_w(pszSection), pstTable);
231 if(!create_tmp_ini_file(hm, tmp_ini_path))
232 return E_FAIL;
234 if (write_predefined_strings(hm, tmp_ini_path))
235 goto done;
237 /* Write the additional string table */
238 if (pstTable)
240 for(i = 0; i < pstTable->cEntries; i++)
242 WCHAR tmp_value[MAX_PATH + 2];
244 tmp_value[0] = '\"';
245 lstrcpyW(tmp_value + 1, pstTable->pse[i].pszValue);
246 lstrcatW(tmp_value, quote);
248 WritePrivateProfileStringW(Strings, pstTable->pse[i].pszName, tmp_value, tmp_ini_path);
252 /* flush cache */
253 WritePrivateProfileStringW(NULL, NULL, NULL, tmp_ini_path);
255 /* FIXME: read AdvOptions val for dwFlags */
256 ZeroMemory(&cabinfo, sizeof(CABINFOW));
257 cabinfo.pszInf = tmp_ini_path;
258 cabinfo.pszSection = (LPWSTR)pszSection;
259 cabinfo.dwFlags = 0;
261 hr = ExecuteCabW(NULL, &cabinfo, NULL);
263 done:
265 DeleteFileW(tmp_ini_path);
267 return hr;
270 /***********************************************************************
271 * RegRestoreAllA (advpack.@)
273 * See RegRestoreAllW.
275 HRESULT WINAPI RegRestoreAllA(HWND hWnd, LPSTR pszTitleString, HKEY hkBackupKey)
277 UNICODE_STRING title;
278 HRESULT hr;
280 TRACE("(%p, %s, %p)\n", hWnd, debugstr_a(pszTitleString), hkBackupKey);
282 RtlCreateUnicodeStringFromAsciiz(&title, pszTitleString);
284 hr = RegRestoreAllW(hWnd, title.Buffer, hkBackupKey);
286 RtlFreeUnicodeString(&title);
288 return hr;
291 /***********************************************************************
292 * RegRestoreAllW (advpack.@)
294 * Restores all saved registry entries.
296 * PARAMS
297 * hWnd [I] Handle to the window used for the display.
298 * pszTitleString [I] Title of the window.
299 * hkBackupKey [I] Handle to the backup key.
301 * RETURNS
302 * Success: S_OK.
303 * Failure: E_FAIL.
305 * BUGS
306 * Unimplemented.
308 HRESULT WINAPI RegRestoreAllW(HWND hWnd, LPWSTR pszTitleString, HKEY hkBackupKey)
310 FIXME("(%p, %s, %p) stub\n", hWnd, debugstr_w(pszTitleString), hkBackupKey);
312 return E_FAIL;
315 /***********************************************************************
316 * RegSaveRestoreA (advpack.@)
318 * See RegSaveRestoreW.
320 HRESULT WINAPI RegSaveRestoreA(HWND hWnd, LPCSTR pszTitleString, HKEY hkBackupKey,
321 LPCSTR pcszRootKey, LPCSTR pcszSubKey,
322 LPCSTR pcszValueName, DWORD dwFlags)
324 UNICODE_STRING title, root, subkey, value;
325 HRESULT hr;
327 TRACE("(%p, %s, %p, %s, %s, %s, %ld)\n", hWnd, debugstr_a(pszTitleString),
328 hkBackupKey, debugstr_a(pcszRootKey), debugstr_a(pcszSubKey),
329 debugstr_a(pcszValueName), dwFlags);
331 RtlCreateUnicodeStringFromAsciiz(&title, pszTitleString);
332 RtlCreateUnicodeStringFromAsciiz(&root, pcszRootKey);
333 RtlCreateUnicodeStringFromAsciiz(&subkey, pcszSubKey);
334 RtlCreateUnicodeStringFromAsciiz(&value, pcszValueName);
336 hr = RegSaveRestoreW(hWnd, title.Buffer, hkBackupKey, root.Buffer,
337 subkey.Buffer, value.Buffer, dwFlags);
339 RtlFreeUnicodeString(&title);
340 RtlFreeUnicodeString(&root);
341 RtlFreeUnicodeString(&subkey);
342 RtlFreeUnicodeString(&value);
344 return hr;
347 /***********************************************************************
348 * RegSaveRestoreW (advpack.@)
350 * Saves or restores the specified registry value.
352 * PARAMS
353 * hWnd [I] Handle to the window used for the display.
354 * pszTitleString [I] Title of the window.
355 * hkBackupKey [I] Key used to store the backup data.
356 * pcszRootKey [I] Root key of the registry value
357 * pcszSubKey [I] Sub key of the registry value.
358 * pcszValueName [I] Value to save or restore.
359 * dwFlags [I] See advpub.h.
361 * RETURNS
362 * Success: S_OK.
363 * Failure: E_FAIL.
365 * BUGS
366 * Unimplemented.
368 HRESULT WINAPI RegSaveRestoreW(HWND hWnd, LPCWSTR pszTitleString, HKEY hkBackupKey,
369 LPCWSTR pcszRootKey, LPCWSTR pcszSubKey,
370 LPCWSTR pcszValueName, DWORD dwFlags)
372 FIXME("(%p, %s, %p, %s, %s, %s, %ld): stub\n", hWnd, debugstr_w(pszTitleString),
373 hkBackupKey, debugstr_w(pcszRootKey), debugstr_w(pcszSubKey),
374 debugstr_w(pcszValueName), dwFlags);
376 return E_FAIL;
379 /***********************************************************************
380 * RegSaveRestoreOnINFA (advpack.@)
382 * See RegSaveRestoreOnINFW.
384 HRESULT WINAPI RegSaveRestoreOnINFA(HWND hWnd, LPCSTR pszTitle, LPCSTR pszINF,
385 LPCSTR pszSection, HKEY hHKLMBackKey,
386 HKEY hHKCUBackKey, DWORD dwFlags)
388 UNICODE_STRING title, inf, section;
389 HRESULT hr;
391 TRACE("(%p, %s, %s, %s, %p, %p, %ld)\n", hWnd, debugstr_a(pszTitle),
392 debugstr_a(pszINF), debugstr_a(pszSection),
393 hHKLMBackKey, hHKCUBackKey, dwFlags);
395 RtlCreateUnicodeStringFromAsciiz(&title, pszTitle);
396 RtlCreateUnicodeStringFromAsciiz(&inf, pszINF);
397 RtlCreateUnicodeStringFromAsciiz(&section, pszSection);
399 hr = RegSaveRestoreOnINFW(hWnd, title.Buffer, inf.Buffer, section.Buffer,
400 hHKLMBackKey, hHKCUBackKey, dwFlags);
402 RtlFreeUnicodeString(&title);
403 RtlFreeUnicodeString(&inf);
404 RtlFreeUnicodeString(&section);
406 return hr;
409 /***********************************************************************
410 * RegSaveRestoreOnINFW (advpack.@)
412 * Saves or restores the specified INF Reg section.
414 * PARAMS
415 * hWnd [I] Handle to the window used for the display.
416 * pszTitle [I] Title of the window.
417 * pszINF [I] Filename of the INF.
418 * pszSection [I] Section to save or restore.
419 * hHKLMBackKey [I] Opened key in HKLM to store data.
420 * hHKCUBackKey [I] Opened key in HKCU to store data.
421 * dwFlags [I] See advpub.h
423 * RETURNS
424 * Success: S_OK.
425 * Failure: E_FAIL.
427 * BUGS
428 * Unimplemented.
430 HRESULT WINAPI RegSaveRestoreOnINFW(HWND hWnd, LPCWSTR pszTitle, LPCWSTR pszINF,
431 LPCWSTR pszSection, HKEY hHKLMBackKey,
432 HKEY hHKCUBackKey, DWORD dwFlags)
434 FIXME("(%p, %s, %s, %s, %p, %p, %ld): stub\n", hWnd, debugstr_w(pszTitle),
435 debugstr_w(pszINF), debugstr_w(pszSection),
436 hHKLMBackKey, hHKCUBackKey, dwFlags);
438 return E_FAIL;