dlls/appwiz.cpl/addons.c

   1 /*
   2  * Copyright 2006-2010 Jacek Caban for CodeWeavers
   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 <stdarg.h>
  20 #include <fcntl.h>
  21 #include <stdio.h>
  22 #include <errno.h>
  23
  24 #define COBJMACROS
  25 #define NONAMELESSUNION
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winuser.h"
  30 #include "cpl.h"
  31 #include "winreg.h"
  32 #include "ole2.h"
  33 #include "commctrl.h"
  34 #include "advpub.h"
  35 #include "wininet.h"
  36 #include "pathcch.h"
  37 #include "shellapi.h"
  38 #include "urlmon.h"
  39 #include "msi.h"
  40 #include "bcrypt.h"
  41
  42 #include "appwiz.h"
  43 #include "res.h"
  44
  45 #include "wine/debug.h"
  46
  47 WINE_DEFAULT_DEBUG_CHANNEL(appwizcpl);
  48
  49 #define GECKO_VERSION "2.47.4"
  50 #ifdef __i386__
  51 #define GECKO_ARCH "x86"
  52 #define GECKO_SHA "26cecc47706b091908f7f814bddb074c61beb8063318e9efc5a7f789857793d6"
  53 #elif defined(__x86_64__)
  54 #define GECKO_ARCH "x86_64"
  55 #define GECKO_SHA "e590b7d988a32d6aa4cf1d8aa3aa3d33766fdd4cf4c89c2dcc2095ecb28d066f"
  56 #else
  57 #define GECKO_ARCH ""
  58 #define GECKO_SHA "???"
  59 #endif
  60
  61 #define MONO_VERSION "8.0.0"
  62 #if defined(__i386__) || defined(__x86_64__)
  63 #define MONO_ARCH "x86"
  64 #define MONO_SHA "75b3f45dca1dc89857fe9e932da78710f64cc6d49ef1ab0c723a177085b4711b"
  65 #else
  66 #define MONO_ARCH ""
  67 #define MONO_SHA "???"
  68 #endif
  69
  70 typedef struct {
  71     const char *version;
  72     const WCHAR *file_name;
  73     const WCHAR *subdir_name;
  74     const char *sha;
  75     const char *url_default;
  76     const char *config_key;
  77     const char *url_config_key;
  78     const char *dir_config_key;
  79     LPCWSTR dialog_template;
  80 } addon_info_t;
  81
  82 /* Download addon files over HTTP because Wine depends on an external library
  83  * for TLS, so we can't be sure that HTTPS will work. The integrity of each file
  84  * is checked with a hardcoded cryptographically secure hash. */
  85 static const addon_info_t addons_info[] = {
  86     {
  87         GECKO_VERSION,
  88         L"wine-gecko-" GECKO_VERSION "-" GECKO_ARCH ".msi",
  89         L"gecko",
  90         GECKO_SHA,
  91         "http://source.winehq.org/winegecko.php",
  92         "MSHTML", "GeckoUrl", "GeckoCabDir",
  93         MAKEINTRESOURCEW(ID_DWL_GECKO_DIALOG)
  94     },
  95     {
  96         MONO_VERSION,
  97         L"wine-mono-" MONO_VERSION "-" MONO_ARCH ".msi",
  98         L"mono",
  99         MONO_SHA,
 100         "http://source.winehq.org/winemono.php",
 101         "Dotnet", "MonoUrl", "MonoCabDir",
 102         MAKEINTRESOURCEW(ID_DWL_MONO_DIALOG)
 103     }
 104 };
 105
 106 static const addon_info_t *addon;
 107
 108 static HWND install_dialog = NULL;
 109 static LPWSTR url = NULL;
 110 static IBinding *dwl_binding;
 111 static WCHAR *msi_file;
 112
 113 extern const char * CDECL wine_get_version(void);
 114
 115 static WCHAR * (CDECL *p_wine_get_dos_file_name)(const char*);
 116
 117 static BOOL sha_check(const WCHAR *file_name)
 118 {
 119     const unsigned char *file_map;
 120     HANDLE file, map;
 121     DWORD size, i;
 122     UCHAR sha[32];
 123     char buf[1024];
 124     BOOL ret = FALSE;
 125
 126     file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL);
 127     if(file == INVALID_HANDLE_VALUE) {
 128         WARN("Could not open file: %lu\n", GetLastError());
 129         return FALSE;
 130     }
 131
 132     size = GetFileSize(file, NULL);
 133
 134     map = CreateFileMappingW(file, NULL, PAGE_READONLY, 0, 0, NULL);
 135     CloseHandle(file);
 136     if(!map)
 137         return FALSE;
 138
 139     file_map = MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0);
 140     CloseHandle(map);
 141     if(!file_map)
 142         return FALSE;
 143
 144     if(!BCryptHash(BCRYPT_SHA256_ALG_HANDLE, NULL, 0, (UCHAR *)file_map, size, sha, sizeof(sha))) {
 145         for(i=0; i < sizeof(sha); i++)
 146             sprintf(buf + i * 2, "%02x", sha[i]);
 147
 148         ret = !strcmp(buf, addon->sha);
 149         if(!ret)
 150             WARN("Got %s, expected %s\n", buf, addon->sha);
 151     }
 152
 153     UnmapViewOfFile(file_map);
 154     return ret;
 155 }
 156
 157 static void set_status(DWORD id)
 158 {
 159     HWND status = GetDlgItem(install_dialog, ID_DWL_STATUS);
 160     WCHAR buf[64];
 161
 162     LoadStringW(hInst, id, buf, ARRAY_SIZE(buf));
 163     SendMessageW(status, WM_SETTEXT, 0, (LPARAM)buf);
 164 }
 165
 166 enum install_res {
 167     INSTALL_OK = 0,
 168     INSTALL_FAILED,
 169     INSTALL_NEXT,
 170 };
 171
 172 static enum install_res install_file(const WCHAR *file_name)
 173 {
 174     ULONG res;
 175
 176     res = MsiInstallProductW(file_name, NULL);
 177     if(res == ERROR_PRODUCT_VERSION)
 178         res = MsiInstallProductW(file_name, L"REINSTALL=ALL REINSTALLMODE=vomus");
 179     if(res != ERROR_SUCCESS) {
 180         ERR("MsiInstallProduct failed: %lu\n", res);
 181         return INSTALL_FAILED;
 182     }
 183
 184     return INSTALL_OK;
 185 }
 186
 187 static enum install_res install_from_dos_file(const WCHAR *dir, const WCHAR *subdir, const WCHAR *file_name)
 188 {
 189     WCHAR *path, *canonical_path;
 190     enum install_res ret;
 191     int len = lstrlenW( dir );
 192     int size = len + 1;
 193     HRESULT hr;
 194
 195     size += lstrlenW( subdir ) + lstrlenW( file_name ) + 2;
 196     if (!(path = malloc( size * sizeof(WCHAR) ))) return INSTALL_FAILED;
 197
 198     lstrcpyW( path, dir );
 199     if (!wcsncmp( path, L"\\??\\", 4 ))  path[1] = '\\';  /* change \??\ into \\?\ */
 200     if (len && path[len-1] != '/' && path[len-1] != '\\') path[len++] = '\\';
 201
 202     lstrcpyW( path + len, subdir );
 203     lstrcatW( path, L"\\" );
 204     lstrcatW( path, file_name );
 205
 206     hr = PathAllocCanonicalize( path, PATHCCH_ALLOW_LONG_PATHS, &canonical_path );
 207     if (FAILED( hr ))
 208     {
 209         ERR( "Failed to canonicalize %s, hr %#lx\n", debugstr_w(path), hr );
 210         free( path );
 211         return INSTALL_NEXT;
 212     }
 213     free( path );
 214
 215     if (GetFileAttributesW( canonical_path ) == INVALID_FILE_ATTRIBUTES)
 216     {
 217         TRACE( "%s not found\n", debugstr_w(canonical_path) );
 218         LocalFree( canonical_path );
 219         return INSTALL_NEXT;
 220     }
 221
 222     ret = install_file( canonical_path );
 223
 224     LocalFree( canonical_path );
 225     return ret;
 226 }
 227
 228 static enum install_res install_from_unix_file(const char *dir, const WCHAR *subdir, const WCHAR *file_name)
 229 {
 230     WCHAR *dos_dir;
 231     enum install_res ret = INSTALL_NEXT;
 232
 233     if (p_wine_get_dos_file_name && (dos_dir = p_wine_get_dos_file_name( dir )))
 234     {
 235         ret = install_from_dos_file( dos_dir, subdir, file_name );
 236         HeapFree( GetProcessHeap(), 0, dos_dir );
 237     }
 238     return ret;
 239 }
 240
 241 static HKEY open_config_key(void)
 242 {
 243     HKEY hkey, ret;
 244     DWORD res;
 245
 246     /* @@ Wine registry key: HKCU\Software\Wine\$config_key */
 247     res = RegOpenKeyW(HKEY_CURRENT_USER, L"Software\\Wine", &hkey);
 248     if(res != ERROR_SUCCESS)
 249         return NULL;
 250
 251     res = RegOpenKeyA(hkey, addon->config_key, &ret);
 252     RegCloseKey(hkey);
 253     return res == ERROR_SUCCESS ? ret : NULL;
 254 }
 255
 256 static enum install_res install_from_registered_dir(void)
 257 {
 258     char *package_dir, *new_package_dir;
 259     HKEY hkey;
 260     DWORD res, type, size = MAX_PATH;
 261     enum install_res ret;
 262
 263     hkey = open_config_key();
 264     if(!hkey)
 265         return INSTALL_NEXT;
 266
 267     package_dir = malloc(size);
 268     res = RegGetValueA(hkey, NULL, addon->dir_config_key, RRF_RT_ANY, &type, (PBYTE)package_dir, &size);
 269     if(res == ERROR_MORE_DATA) {
 270         new_package_dir = realloc(package_dir, size);
 271         if(new_package_dir) {
 272             package_dir = new_package_dir;
 273             res = RegGetValueA(hkey, NULL, addon->dir_config_key, RRF_RT_ANY, &type, (PBYTE)package_dir, &size);
 274         }
 275     }
 276     RegCloseKey(hkey);
 277     if(res == ERROR_FILE_NOT_FOUND) {
 278         free(package_dir);
 279         return INSTALL_NEXT;
 280     } else if(res != ERROR_SUCCESS || (type != REG_SZ && type != REG_EXPAND_SZ)) {
 281         free(package_dir);
 282         return INSTALL_FAILED;
 283     }
 284
 285     ret = install_from_unix_file(package_dir, L"", addon->file_name);
 286
 287     free(package_dir);
 288     return ret;
 289 }
 290
 291 static enum install_res install_from_default_dir(void)
 292 {
 293     const WCHAR *package_dir;
 294     WCHAR *dir_buf = NULL;
 295     enum install_res ret = INSTALL_NEXT;
 296
 297     if ((package_dir = _wgetenv( L"WINEBUILDDIR" )))
 298     {
 299         dir_buf = malloc( wcslen(package_dir) * sizeof(WCHAR) + sizeof(L"\\..\\") );
 300         lstrcpyW( dir_buf, package_dir );
 301         lstrcatW( dir_buf, L"\\..\\" );
 302         package_dir = dir_buf;
 303     }
 304     else package_dir = _wgetenv( L"WINEDATADIR" );
 305
 306     if (package_dir)
 307     {
 308         ret = install_from_dos_file(package_dir, addon->subdir_name, addon->file_name);
 309         free(dir_buf);
 310     }
 311
 312     if (ret == INSTALL_NEXT)
 313         ret = install_from_unix_file(INSTALL_DATADIR "/wine/", addon->subdir_name, addon->file_name);
 314     if (ret == INSTALL_NEXT && strcmp(INSTALL_DATADIR, "/usr/share") != 0)
 315         ret = install_from_unix_file("/usr/share/wine/", addon->subdir_name, addon->file_name);
 316     if (ret == INSTALL_NEXT)
 317         ret = install_from_unix_file("/opt/wine/", addon->subdir_name, addon->file_name);
 318     return ret;
 319 }
 320
 321 static WCHAR *get_cache_file_name(BOOL ensure_exists)
 322 {
 323     const char *xdg_dir;
 324     const WCHAR *home_dir;
 325     WCHAR *cache_dir, *ret;
 326     size_t len, size;
 327
 328     xdg_dir = getenv( "XDG_CACHE_HOME" );
 329     if (xdg_dir && *xdg_dir && p_wine_get_dos_file_name)
 330     {
 331         if (!(cache_dir = p_wine_get_dos_file_name( xdg_dir ))) return NULL;
 332     }
 333     else if ((home_dir = _wgetenv( L"WINEHOMEDIR" )))
 334     {
 335         if (!(cache_dir = HeapAlloc( GetProcessHeap(), 0, wcslen(home_dir) * sizeof(WCHAR) + sizeof(L"\\.cache") ))) return NULL;
 336         lstrcpyW( cache_dir, home_dir );
 337         lstrcatW( cache_dir, L"\\.cache" );
 338         cache_dir[1] = '\\';  /* change \??\ into \\?\ */
 339     }
 340     else return NULL;
 341
 342     if (ensure_exists && !CreateDirectoryW( cache_dir, NULL ) && GetLastError() != ERROR_ALREADY_EXISTS)
 343     {
 344         WARN( "%s does not exist and could not be created (%lu)\n", debugstr_w(cache_dir), GetLastError() );
 345         HeapFree( GetProcessHeap(), 0, cache_dir );
 346         return NULL;
 347     }
 348
 349     size = lstrlenW( cache_dir ) + ARRAY_SIZE(L"\\wine") + lstrlenW( addon->file_name ) + 1;
 350     if (!(ret = malloc( size * sizeof(WCHAR) )))
 351     {
 352         HeapFree( GetProcessHeap(), 0, cache_dir );
 353         return NULL;
 354     }
 355     lstrcpyW( ret, cache_dir );
 356     lstrcatW( ret, L"\\wine" );
 357     HeapFree( GetProcessHeap(), 0, cache_dir );
 358
 359     if (ensure_exists && !CreateDirectoryW( ret, NULL ) && GetLastError() != ERROR_ALREADY_EXISTS)
 360     {
 361         WARN( "%s does not exist and could not be created (%lu)\n", debugstr_w(ret), GetLastError() );
 362         free( ret );
 363         return NULL;
 364     }
 365     len = lstrlenW( ret );
 366     ret[len++] = '\\';
 367     lstrcpyW( ret + len, addon->file_name );
 368
 369     TRACE( "got %s\n", debugstr_w(ret) );
 370     return ret;
 371 }
 372
 373 static enum install_res install_from_cache(void)
 374 {
 375     WCHAR *cache_file_name;
 376     enum install_res res;
 377
 378     cache_file_name = get_cache_file_name(FALSE);
 379     if(!cache_file_name)
 380         return INSTALL_NEXT;
 381
 382     if(!sha_check(cache_file_name)) {
 383         WARN("could not validate checksum\n");
 384         DeleteFileW(cache_file_name);
 385         free(cache_file_name);
 386         return INSTALL_NEXT;
 387     }
 388
 389     res = install_file(cache_file_name);
 390     free(cache_file_name);
 391     return res;
 392 }
 393
 394 static IInternetBindInfo InstallCallbackBindInfo;
 395
 396 static HRESULT WINAPI InstallCallback_QueryInterface(IBindStatusCallback *iface,
 397         REFIID riid, void **ppv)
 398 {
 399     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IBindStatusCallback, riid)) {
 400         *ppv = iface;
 401         return S_OK;
 402     }
 403
 404     if(IsEqualGUID(&IID_IInternetBindInfo, riid)) {
 405         TRACE("IID_IInternetBindInfo\n");
 406         *ppv = &InstallCallbackBindInfo;
 407         return S_OK;
 408     }
 409
 410     return E_INVALIDARG;
 411 }
 412
 413 static ULONG WINAPI InstallCallback_AddRef(IBindStatusCallback *iface)
 414 {
 415     return 2;
 416 }
 417
 418 static ULONG WINAPI InstallCallback_Release(IBindStatusCallback *iface)
 419 {
 420     return 1;
 421 }
 422
 423 static HRESULT WINAPI InstallCallback_OnStartBinding(IBindStatusCallback *iface,
 424         DWORD dwReserved, IBinding *pib)
 425 {
 426     set_status(IDS_DOWNLOADING);
 427
 428     IBinding_AddRef(pib);
 429     dwl_binding = pib;
 430
 431     return S_OK;
 432 }
 433
 434 static HRESULT WINAPI InstallCallback_GetPriority(IBindStatusCallback *iface,
 435         LONG *pnPriority)
 436 {
 437     return E_NOTIMPL;
 438 }
 439
 440 static HRESULT WINAPI InstallCallback_OnLowResource(IBindStatusCallback *iface,
 441        DWORD dwReserved)
 442 {
 443     return E_NOTIMPL;
 444 }
 445
 446 static HRESULT WINAPI InstallCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 447         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 448 {
 449     HWND progress = GetDlgItem(install_dialog, ID_DWL_PROGRESS);
 450
 451     if(ulProgressMax)
 452         SendMessageW(progress, PBM_SETRANGE32, 0, ulProgressMax);
 453     if(ulProgress)
 454         SendMessageW(progress, PBM_SETPOS, ulProgress, 0);
 455
 456     return S_OK;
 457 }
 458
 459 static HRESULT WINAPI InstallCallback_OnStopBinding(IBindStatusCallback *iface,
 460         HRESULT hresult, LPCWSTR szError)
 461 {
 462     if(dwl_binding) {
 463         IBinding_Release(dwl_binding);
 464         dwl_binding = NULL;
 465     }
 466
 467     if(FAILED(hresult)) {
 468         if(hresult == E_ABORT)
 469             TRACE("Binding aborted\n");
 470         else
 471             ERR("Binding failed %08lx\n", hresult);
 472         return S_OK;
 473     }
 474
 475     if(!msi_file) {
 476         ERR("No MSI file\n");
 477         return E_FAIL;
 478     }
 479
 480     set_status(IDS_INSTALLING);
 481     EnableWindow(GetDlgItem(install_dialog, IDCANCEL), 0);
 482
 483     if(sha_check(msi_file)) {
 484         WCHAR *cache_file_name;
 485
 486         install_file(msi_file);
 487
 488         cache_file_name = get_cache_file_name(TRUE);
 489         if(cache_file_name) {
 490             CopyFileW(msi_file, cache_file_name, FALSE);
 491             free(cache_file_name);
 492         }
 493     }else {
 494         WCHAR message[256];
 495
 496         if(LoadStringW(hInst, IDS_INVALID_SHA, message, ARRAY_SIZE(message)))
 497             MessageBoxW(NULL, message, NULL, MB_ICONERROR);
 498     }
 499
 500     DeleteFileW(msi_file);
 501     free(msi_file);
 502     msi_file = NULL;
 503
 504     EndDialog(install_dialog, 0);
 505     return S_OK;
 506 }
 507
 508 static HRESULT WINAPI InstallCallback_GetBindInfo(IBindStatusCallback *iface,
 509         DWORD* grfBINDF, BINDINFO* pbindinfo)
 510 {
 511     TRACE("()\n");
 512
 513     *grfBINDF = BINDF_ASYNCHRONOUS;
 514     return S_OK;
 515 }
 516
 517 static HRESULT WINAPI InstallCallback_OnDataAvailable(IBindStatusCallback *iface, DWORD grfBSCF,
 518         DWORD dwSize, FORMATETC* pformatetc, STGMEDIUM* pstgmed)
 519 {
 520     if(!msi_file) {
 521         msi_file = wcsdup(pstgmed->u.lpszFileName);
 522         TRACE("got file name %s\n", debugstr_w(msi_file));
 523     }
 524
 525     return S_OK;
 526 }
 527
 528 static HRESULT WINAPI InstallCallback_OnObjectAvailable(IBindStatusCallback *iface,
 529         REFIID riid, IUnknown* punk)
 530 {
 531     ERR("\n");
 532     return E_NOTIMPL;
 533 }
 534
 535 static const IBindStatusCallbackVtbl InstallCallbackVtbl = {
 536     InstallCallback_QueryInterface,
 537     InstallCallback_AddRef,
 538     InstallCallback_Release,
 539     InstallCallback_OnStartBinding,
 540     InstallCallback_GetPriority,
 541     InstallCallback_OnLowResource,
 542     InstallCallback_OnProgress,
 543     InstallCallback_OnStopBinding,
 544     InstallCallback_GetBindInfo,
 545     InstallCallback_OnDataAvailable,
 546     InstallCallback_OnObjectAvailable
 547 };
 548
 549 static IBindStatusCallback InstallCallback = { &InstallCallbackVtbl };
 550
 551 static HRESULT WINAPI InstallCallbackBindInfo_QueryInterface(IInternetBindInfo *iface, REFIID riid, void **ppv)
 552 {
 553     return IBindStatusCallback_QueryInterface(&InstallCallback, riid, ppv);
 554 }
 555
 556 static ULONG WINAPI InstallCallbackBindInfo_AddRef(IInternetBindInfo *iface)
 557 {
 558     return 2;
 559 }
 560
 561 static ULONG WINAPI InstallCallbackBindInfo_Release(IInternetBindInfo *iface)
 562 {
 563     return 1;
 564 }
 565
 566 static HRESULT WINAPI InstallCallbackBindInfo_GetBindInfo(IInternetBindInfo *iface, DWORD *bindf, BINDINFO *bindinfo)
 567 {
 568     ERR("\n");
 569     return E_NOTIMPL;
 570 }
 571
 572 static HRESULT WINAPI InstallCallbackBindInfo_GetBindString(IInternetBindInfo *iface, ULONG string_type,
 573         WCHAR **strs, ULONG cnt, ULONG *fetched)
 574 {
 575     switch(string_type) {
 576     case BINDSTRING_USER_AGENT:
 577         TRACE("BINDSTRING_USER_AGENT\n");
 578
 579         *strs = CoTaskMemAlloc(sizeof(L"Wine Addon Downloader"));
 580         if(!*strs)
 581             return E_OUTOFMEMORY;
 582
 583         lstrcpyW(*strs, L"Wine Addon Downloader");
 584         *fetched = 1;
 585         return S_OK;
 586     }
 587
 588     return E_NOTIMPL;
 589 }
 590
 591 static const IInternetBindInfoVtbl InstallCallbackBindInfoVtbl = {
 592     InstallCallbackBindInfo_QueryInterface,
 593     InstallCallbackBindInfo_AddRef,
 594     InstallCallbackBindInfo_Release,
 595     InstallCallbackBindInfo_GetBindInfo,
 596     InstallCallbackBindInfo_GetBindString
 597 };
 598
 599 static IInternetBindInfo InstallCallbackBindInfo = { &InstallCallbackBindInfoVtbl };
 600
 601 static void append_url_params( WCHAR *url )
 602 {
 603     DWORD size = INTERNET_MAX_URL_LENGTH * sizeof(WCHAR);
 604     DWORD len = lstrlenW(url);
 605
 606     lstrcpyW(url+len, L"?arch=");
 607     len += lstrlenW(L"?arch=");
 608     len += MultiByteToWideChar(CP_ACP, 0, GECKO_ARCH, sizeof(GECKO_ARCH),
 609                                url+len, size/sizeof(WCHAR)-len)-1;
 610     lstrcpyW(url+len, L"&v=");
 611     len += lstrlenW(L"&v=");
 612     len += MultiByteToWideChar(CP_ACP, 0, addon->version, -1, url+len, size/sizeof(WCHAR)-len)-1;
 613     lstrcpyW(url+len, L"&winev=");
 614     len += lstrlenW(L"&winev=");
 615     MultiByteToWideChar(CP_ACP, 0, wine_get_version(), -1, url+len, size/sizeof(WCHAR)-len);
 616 }
 617
 618 static LPWSTR get_url(void)
 619 {
 620     DWORD size = INTERNET_MAX_URL_LENGTH*sizeof(WCHAR);
 621     WCHAR *url, *config_key;
 622     HKEY hkey;
 623     DWORD res, type;
 624     DWORD returned_size;
 625
 626     static const WCHAR httpW[] = {'h','t','t','p'};
 627
 628     url = malloc(size);
 629     returned_size = size;
 630
 631     hkey = open_config_key();
 632     if (hkey)
 633     {
 634         config_key = strdupAtoW(addon->url_config_key);
 635         res = RegQueryValueExW(hkey, config_key, NULL, &type, (LPBYTE)url, &returned_size);
 636         free(config_key);
 637         RegCloseKey(hkey);
 638         if(res == ERROR_SUCCESS && type == REG_SZ) goto found;
 639     }
 640
 641     MultiByteToWideChar( CP_ACP, 0, addon->url_default, -1, url, size / sizeof(WCHAR) );
 642
 643 found:
 644     if (returned_size > sizeof(httpW) && !memcmp(url, httpW, sizeof(httpW))) append_url_params( url );
 645
 646     TRACE("Got URL %s\n", debugstr_w(url));
 647     return url;
 648 }
 649
 650 static BOOL start_download(void)
 651 {
 652     IBindCtx *bind_ctx;
 653     IMoniker *mon;
 654     IUnknown *tmp;
 655     HRESULT hres;
 656
 657     hres = CreateURLMoniker(NULL, url, &mon);
 658     if(FAILED(hres))
 659         return FALSE;
 660
 661     hres = CreateAsyncBindCtx(0, &InstallCallback, NULL, &bind_ctx);
 662     if(SUCCEEDED(hres)) {
 663         hres = IMoniker_BindToStorage(mon, bind_ctx, NULL, &IID_IUnknown, (void**)&tmp);
 664         IBindCtx_Release(bind_ctx);
 665     }
 666     IMoniker_Release(mon);
 667     if(FAILED(hres))
 668         return FALSE;
 669
 670     if(tmp)
 671         IUnknown_Release(tmp);
 672     return TRUE;
 673 }
 674
 675 static void run_winebrowser(const WCHAR *url)
 676 {
 677     PROCESS_INFORMATION pi;
 678     STARTUPINFOW si;
 679     WCHAR app[MAX_PATH];
 680     LONG len, url_len;
 681     WCHAR *args;
 682     BOOL ret;
 683
 684     url_len = lstrlenW(url);
 685
 686     len = GetSystemDirectoryW(app, MAX_PATH - ARRAY_SIZE(L"\\winebrowser.exe"));
 687     lstrcpyW(app+len, L"\\winebrowser.exe");
 688     len += ARRAY_SIZE(L"\\winebrowser.exe") - 1;
 689
 690     args = malloc((len + 1 + url_len) * sizeof(WCHAR));
 691     if(!args)
 692         return;
 693
 694     memcpy(args, app, len*sizeof(WCHAR));
 695     args[len++] = ' ';
 696     memcpy(args+len, url, (url_len+1) * sizeof(WCHAR));
 697
 698     TRACE("starting %s\n", debugstr_w(args));
 699
 700     memset(&si, 0, sizeof(si));
 701     si.cb = sizeof(si);
 702     ret = CreateProcessW(app, args, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi);
 703     free(args);
 704     if (ret) {
 705         CloseHandle(pi.hThread);
 706         CloseHandle(pi.hProcess);
 707     }
 708 }
 709
 710 static INT_PTR CALLBACK installer_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 711 {
 712     switch(msg) {
 713     case WM_INITDIALOG:
 714         ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_HIDE);
 715         install_dialog = hwnd;
 716         return TRUE;
 717
 718     case WM_NOTIFY:
 719         switch (((NMHDR *)lParam)->code)
 720         {
 721         case NM_CLICK:
 722         case NM_RETURN:
 723             if (wParam == ID_DWL_STATUS)
 724                 run_winebrowser(((NMLINK*)lParam)->item.szUrl);
 725             break;
 726         }
 727         break;
 728
 729     case WM_COMMAND:
 730         switch(wParam) {
 731         case IDCANCEL:
 732             if(dwl_binding)
 733                 IBinding_Abort(dwl_binding);
 734             EndDialog(hwnd, 0);
 735             return FALSE;
 736
 737         case ID_DWL_INSTALL:
 738             ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_SHOW);
 739             EnableWindow(GetDlgItem(hwnd, ID_DWL_INSTALL), 0);
 740             if(!start_download())
 741                 EndDialog(install_dialog, 0);
 742         }
 743     }
 744
 745     return FALSE;
 746 }
 747
 748 BOOL install_addon(addon_t addon_type)
 749 {
 750     if(!*GECKO_ARCH)
 751         return FALSE;
 752
 753     addon = addons_info+addon_type;
 754
 755     p_wine_get_dos_file_name = (void *)GetProcAddress(GetModuleHandleW(L"kernel32.dll"), "wine_get_dos_file_name");
 756
 757     /*
 758      * Try to find addon .msi file in following order:
 759      * - directory stored in $dir_config_key value of HKCU/Software/Wine/$config_key key
 760      * - $datadir/$addon_subdir/
 761      * - $INSTALL_DATADIR/wine/$addon_subdir/
 762      * - /usr/share/wine/$addon_subdir/
 763      * - /opt/wine/$addon_subdir/
 764      * - download from URL stored in $url_config_key value of HKCU/Software/Wine/$config_key key
 765      */
 766     if (install_from_registered_dir() == INSTALL_NEXT
 767         && install_from_default_dir() == INSTALL_NEXT
 768         && install_from_cache() == INSTALL_NEXT
 769         && (url = get_url()))
 770         DialogBoxW(hInst, addon->dialog_template, 0, installer_proc);
 771
 772     free(url);
 773     url = NULL;
 774     return TRUE;
 775 }