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 "shellapi.h"
  37 #include "urlmon.h"
  38 #include "msi.h"
  39 #include "bcrypt.h"
  40
  41 #include "appwiz.h"
  42 #include "res.h"
  43
  44 #include "wine/debug.h"
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(appwizcpl);
  47
  48 #define GECKO_VERSION "2.47.2"
  49 #ifdef __i386__
  50 #define GECKO_ARCH "x86"
  51 #define GECKO_SHA "e520ce7336cd420cd09c91337d87e74bb420300fd5cbc6f724c1802766b6a61d"
  52 #elif defined(__x86_64__)
  53 #define GECKO_ARCH "x86_64"
  54 #define GECKO_SHA "0596761024823ff3c21f13e1cd5cd3e89dccc698294d62974d8930aeda86ce45"
  55 #else
  56 #define GECKO_ARCH ""
  57 #define GECKO_SHA "???"
  58 #endif
  59
  60 #define MONO_VERSION "6.0.0"
  61 #if defined(__i386__) || defined(__x86_64__)
  62 #define MONO_ARCH "x86"
  63 #define MONO_SHA "5c7af5976d101be359a77045c9cc8fc40feac028263d00e731578864e8b183d0"
  64 #else
  65 #define MONO_ARCH ""
  66 #define MONO_SHA "???"
  67 #endif
  68
  69 typedef struct {
  70     const char *version;
  71     const WCHAR *file_name;
  72     const WCHAR *subdir_name;
  73     const char *sha;
  74     const char *url_default;
  75     const char *config_key;
  76     const char *url_config_key;
  77     const char *dir_config_key;
  78     LPCWSTR dialog_template;
  79 } addon_info_t;
  80
  81 /* Download addon files over HTTP because Wine depends on an external library
  82  * for TLS, so we can't be sure that HTTPS will work. The integrity of each file
  83  * is checked with a hardcoded cryptographically secure hash. */
  84 static const addon_info_t addons_info[] = {
  85     {
  86         GECKO_VERSION,
  87         L"wine-gecko-" GECKO_VERSION "-" GECKO_ARCH ".msi",
  88         L"gecko",
  89         GECKO_SHA,
  90         "http://source.winehq.org/winegecko.php",
  91         "MSHTML", "GeckoUrl", "GeckoCabDir",
  92         MAKEINTRESOURCEW(ID_DWL_GECKO_DIALOG)
  93     },
  94     {
  95         MONO_VERSION,
  96         L"wine-mono-" MONO_VERSION "-" MONO_ARCH ".msi",
  97         L"mono",
  98         MONO_SHA,
  99         "http://source.winehq.org/winemono.php",
 100         "Dotnet", "MonoUrl", "MonoCabDir",
 101         MAKEINTRESOURCEW(ID_DWL_MONO_DIALOG)
 102     }
 103 };
 104
 105 static const addon_info_t *addon;
 106
 107 static HWND install_dialog = NULL;
 108 static LPWSTR url = NULL;
 109 static IBinding *dwl_binding;
 110 static WCHAR *msi_file;
 111
 112 extern const char * CDECL wine_get_version(void);
 113
 114 static WCHAR * (CDECL *p_wine_get_dos_file_name)(const char*);
 115
 116 static BOOL sha_check(const WCHAR *file_name)
 117 {
 118     const unsigned char *file_map;
 119     HANDLE file, map;
 120     DWORD size, i;
 121     BCRYPT_HASH_HANDLE hash = NULL;
 122     BCRYPT_ALG_HANDLE alg = NULL;
 123     UCHAR sha[32];
 124     char buf[1024];
 125     BOOL ret = FALSE;
 126
 127     file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL);
 128     if(file == INVALID_HANDLE_VALUE) {
 129         WARN("Could not open file: %u\n", GetLastError());
 130         return FALSE;
 131     }
 132
 133     size = GetFileSize(file, NULL);
 134
 135     map = CreateFileMappingW(file, NULL, PAGE_READONLY, 0, 0, NULL);
 136     CloseHandle(file);
 137     if(!map)
 138         return FALSE;
 139
 140     file_map = MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0);
 141     CloseHandle(map);
 142     if(!file_map)
 143         return FALSE;
 144
 145     if(BCryptOpenAlgorithmProvider(&alg, BCRYPT_SHA256_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0))
 146         goto end;
 147     if(BCryptCreateHash(alg, &hash, NULL, 0, NULL, 0, 0))
 148         goto end;
 149     if(BCryptHashData(hash, (UCHAR *)file_map, size, 0))
 150         goto end;
 151     if(BCryptFinishHash(hash, sha, sizeof(sha), 0))
 152         goto end;
 153
 154     for(i=0; i < sizeof(sha); i++)
 155         sprintf(buf + i * 2, "%02x", sha[i]);
 156
 157     ret = !strcmp(buf, addon->sha);
 158     if(!ret)
 159         WARN("Got %s, expected %s\n", buf, addon->sha);
 160
 161 end:
 162     UnmapViewOfFile(file_map);
 163     if(hash) BCryptDestroyHash(hash);
 164     if(alg) BCryptCloseAlgorithmProvider(alg, 0);
 165     return ret;
 166 }
 167
 168 static void set_status(DWORD id)
 169 {
 170     HWND status = GetDlgItem(install_dialog, ID_DWL_STATUS);
 171     WCHAR buf[64];
 172
 173     LoadStringW(hInst, id, buf, ARRAY_SIZE(buf));
 174     SendMessageW(status, WM_SETTEXT, 0, (LPARAM)buf);
 175 }
 176
 177 enum install_res {
 178     INSTALL_OK = 0,
 179     INSTALL_FAILED,
 180     INSTALL_NEXT,
 181 };
 182
 183 static enum install_res install_file(const WCHAR *file_name)
 184 {
 185     ULONG res;
 186
 187     res = MsiInstallProductW(file_name, NULL);
 188     if(res == ERROR_PRODUCT_VERSION)
 189         res = MsiInstallProductW(file_name, L"REINSTALL=ALL REINSTALLMODE=vomus");
 190     if(res != ERROR_SUCCESS) {
 191         ERR("MsiInstallProduct failed: %u\n", res);
 192         return INSTALL_FAILED;
 193     }
 194
 195     return INSTALL_OK;
 196 }
 197
 198 static enum install_res install_from_dos_file(const WCHAR *dir, const WCHAR *subdir, const WCHAR *file_name)
 199 {
 200     WCHAR *path;
 201     enum install_res ret;
 202     int len = lstrlenW( dir );
 203     int size = len + 1;
 204
 205     size += lstrlenW( subdir ) + lstrlenW( file_name ) + 2;
 206     if (!(path = heap_alloc( size * sizeof(WCHAR) ))) return INSTALL_FAILED;
 207
 208     lstrcpyW( path, dir );
 209     if (!wcsncmp( path, L"\\??\\", 4 ))  path[1] = '\\';  /* change \??\ into \\?\ */
 210     if (len && path[len-1] != '/' && path[len-1] != '\\') path[len++] = '\\';
 211
 212     lstrcpyW( path + len, subdir );
 213     lstrcatW( path, L"\\" );
 214     lstrcatW( path, file_name );
 215
 216     if (GetFileAttributesW( path ) == INVALID_FILE_ATTRIBUTES)
 217     {
 218         TRACE( "%s not found\n", debugstr_w(path) );
 219         heap_free( path );
 220         return INSTALL_NEXT;
 221     }
 222
 223     ret = install_file( path );
 224
 225     heap_free( path );
 226     return ret;
 227 }
 228
 229 static enum install_res install_from_unix_file(const char *dir, const WCHAR *subdir, const WCHAR *file_name)
 230 {
 231     WCHAR *dos_dir;
 232     enum install_res ret = INSTALL_NEXT;
 233
 234     if (p_wine_get_dos_file_name && (dos_dir = p_wine_get_dos_file_name( dir )))
 235     {
 236         ret = install_from_dos_file( dos_dir, subdir, file_name );
 237         heap_free( dos_dir );
 238     }
 239     return ret;
 240 }
 241
 242 static HKEY open_config_key(void)
 243 {
 244     HKEY hkey, ret;
 245     DWORD res;
 246
 247     /* @@ Wine registry key: HKCU\Software\Wine\$config_key */
 248     res = RegOpenKeyW(HKEY_CURRENT_USER, L"Software\\Wine", &hkey);
 249     if(res != ERROR_SUCCESS)
 250         return NULL;
 251
 252     res = RegOpenKeyA(hkey, addon->config_key, &ret);
 253     RegCloseKey(hkey);
 254     return res == ERROR_SUCCESS ? ret : NULL;
 255 }
 256
 257 static enum install_res install_from_registered_dir(void)
 258 {
 259     char *package_dir;
 260     HKEY hkey;
 261     DWORD res, type, size = MAX_PATH;
 262     enum install_res ret;
 263
 264     hkey = open_config_key();
 265     if(!hkey)
 266         return INSTALL_NEXT;
 267
 268     package_dir = heap_alloc(size);
 269     res = RegGetValueA(hkey, NULL, addon->dir_config_key, RRF_RT_ANY, &type, (PBYTE)package_dir, &size);
 270     if(res == ERROR_MORE_DATA) {
 271         package_dir = heap_realloc(package_dir, size);
 272         res = RegGetValueA(hkey, NULL, addon->dir_config_key, RRF_RT_ANY, &type, (PBYTE)package_dir, &size);
 273     }
 274     RegCloseKey(hkey);
 275     if(res == ERROR_FILE_NOT_FOUND) {
 276         heap_free(package_dir);
 277         return INSTALL_NEXT;
 278     } else if(res != ERROR_SUCCESS || (type != REG_SZ && type != REG_EXPAND_SZ)) {
 279         heap_free(package_dir);
 280         return INSTALL_FAILED;
 281     }
 282
 283     ret = install_from_unix_file(package_dir, L"", addon->file_name);
 284
 285     heap_free(package_dir);
 286     return ret;
 287 }
 288
 289 static enum install_res install_from_default_dir(void)
 290 {
 291     const WCHAR *package_dir;
 292     WCHAR *dir_buf = NULL;
 293     enum install_res ret = INSTALL_NEXT;
 294
 295     if ((package_dir = _wgetenv( L"WINEBUILDDIR" )))
 296     {
 297         dir_buf = heap_alloc( lstrlenW(package_dir) * sizeof(WCHAR) + sizeof(L"\\..\\") );
 298         lstrcpyW( dir_buf, package_dir );
 299         lstrcatW( dir_buf, L"\\..\\" );
 300         package_dir = dir_buf;
 301     }
 302     else package_dir = _wgetenv( L"WINEDATADIR" );
 303
 304     if (package_dir)
 305     {
 306         ret = install_from_dos_file(package_dir, addon->subdir_name, addon->file_name);
 307         heap_free(dir_buf);
 308     }
 309
 310     if (ret == INSTALL_NEXT)
 311         ret = install_from_unix_file(INSTALL_DATADIR "/wine/", addon->subdir_name, addon->file_name);
 312     if (ret == INSTALL_NEXT && strcmp(INSTALL_DATADIR, "/usr/share") != 0)
 313         ret = install_from_unix_file("/usr/share/wine/", addon->subdir_name, addon->file_name);
 314     if (ret == INSTALL_NEXT)
 315         ret = install_from_unix_file("/opt/wine/", addon->subdir_name, addon->file_name);
 316     return ret;
 317 }
 318
 319 static WCHAR *get_cache_file_name(BOOL ensure_exists)
 320 {
 321     const char *xdg_dir;
 322     const WCHAR *home_dir;
 323     WCHAR *cache_dir, *ret;
 324     size_t len, size;
 325
 326     xdg_dir = getenv( "XDG_CACHE_HOME" );
 327     if (xdg_dir && *xdg_dir && p_wine_get_dos_file_name)
 328     {
 329         if (!(cache_dir = p_wine_get_dos_file_name( xdg_dir ))) return NULL;
 330     }
 331     else if ((home_dir = _wgetenv( L"WINEHOMEDIR" )))
 332     {
 333         if (!(cache_dir = heap_alloc( lstrlenW(home_dir) * sizeof(WCHAR) + sizeof(L"\\.cache") ))) return NULL;
 334         lstrcpyW( cache_dir, home_dir );
 335         lstrcatW( cache_dir, L"\\.cache" );
 336         cache_dir[1] = '\\';  /* change \??\ into \\?\ */
 337     }
 338     else return NULL;
 339
 340     if (ensure_exists && !CreateDirectoryW( cache_dir, NULL ) && GetLastError() != ERROR_ALREADY_EXISTS)
 341     {
 342         WARN( "%s does not exist and could not be created (%u)\n", debugstr_w(cache_dir), GetLastError() );
 343         heap_free( cache_dir );
 344         return NULL;
 345     }
 346
 347     size = lstrlenW( cache_dir ) + ARRAY_SIZE(L"\\wine") + lstrlenW( addon->file_name ) + 1;
 348     if (!(ret = heap_alloc( size * sizeof(WCHAR) )))
 349     {
 350         heap_free( cache_dir );
 351         return NULL;
 352     }
 353     lstrcpyW( ret, cache_dir );
 354     lstrcatW( ret, L"\\wine" );
 355     heap_free( cache_dir );
 356
 357     if (ensure_exists && !CreateDirectoryW( ret, NULL ) && GetLastError() != ERROR_ALREADY_EXISTS)
 358     {
 359         WARN( "%s does not exist and could not be created (%u)\n", debugstr_w(ret), GetLastError() );
 360         heap_free( ret );
 361         return NULL;
 362     }
 363     len = lstrlenW( ret );
 364     ret[len++] = '\\';
 365     lstrcpyW( ret + len, addon->file_name );
 366
 367     TRACE( "got %s\n", debugstr_w(ret) );
 368     return ret;
 369 }
 370
 371 static enum install_res install_from_cache(void)
 372 {
 373     WCHAR *cache_file_name;
 374     enum install_res res;
 375
 376     cache_file_name = get_cache_file_name(FALSE);
 377     if(!cache_file_name)
 378         return INSTALL_NEXT;
 379
 380     if(!sha_check(cache_file_name)) {
 381         WARN("could not validate checksum\n");
 382         DeleteFileW(cache_file_name);
 383         heap_free(cache_file_name);
 384         return INSTALL_NEXT;
 385     }
 386
 387     res = install_file(cache_file_name);
 388     heap_free(cache_file_name);
 389     return res;
 390 }
 391
 392 static IInternetBindInfo InstallCallbackBindInfo;
 393
 394 static HRESULT WINAPI InstallCallback_QueryInterface(IBindStatusCallback *iface,
 395         REFIID riid, void **ppv)
 396 {
 397     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IBindStatusCallback, riid)) {
 398         *ppv = iface;
 399         return S_OK;
 400     }
 401
 402     if(IsEqualGUID(&IID_IInternetBindInfo, riid)) {
 403         TRACE("IID_IInternetBindInfo\n");
 404         *ppv = &InstallCallbackBindInfo;
 405         return S_OK;
 406     }
 407
 408     return E_INVALIDARG;
 409 }
 410
 411 static ULONG WINAPI InstallCallback_AddRef(IBindStatusCallback *iface)
 412 {
 413     return 2;
 414 }
 415
 416 static ULONG WINAPI InstallCallback_Release(IBindStatusCallback *iface)
 417 {
 418     return 1;
 419 }
 420
 421 static HRESULT WINAPI InstallCallback_OnStartBinding(IBindStatusCallback *iface,
 422         DWORD dwReserved, IBinding *pib)
 423 {
 424     set_status(IDS_DOWNLOADING);
 425
 426     IBinding_AddRef(pib);
 427     dwl_binding = pib;
 428
 429     return S_OK;
 430 }
 431
 432 static HRESULT WINAPI InstallCallback_GetPriority(IBindStatusCallback *iface,
 433         LONG *pnPriority)
 434 {
 435     return E_NOTIMPL;
 436 }
 437
 438 static HRESULT WINAPI InstallCallback_OnLowResource(IBindStatusCallback *iface,
 439        DWORD dwReserved)
 440 {
 441     return E_NOTIMPL;
 442 }
 443
 444 static HRESULT WINAPI InstallCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 445         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 446 {
 447     HWND progress = GetDlgItem(install_dialog, ID_DWL_PROGRESS);
 448
 449     if(ulProgressMax)
 450         SendMessageW(progress, PBM_SETRANGE32, 0, ulProgressMax);
 451     if(ulProgress)
 452         SendMessageW(progress, PBM_SETPOS, ulProgress, 0);
 453
 454     return S_OK;
 455 }
 456
 457 static HRESULT WINAPI InstallCallback_OnStopBinding(IBindStatusCallback *iface,
 458         HRESULT hresult, LPCWSTR szError)
 459 {
 460     if(dwl_binding) {
 461         IBinding_Release(dwl_binding);
 462         dwl_binding = NULL;
 463     }
 464
 465     if(FAILED(hresult)) {
 466         if(hresult == E_ABORT)
 467             TRACE("Binding aborted\n");
 468         else
 469             ERR("Binding failed %08x\n", hresult);
 470         return S_OK;
 471     }
 472
 473     if(!msi_file) {
 474         ERR("No MSI file\n");
 475         return E_FAIL;
 476     }
 477
 478     set_status(IDS_INSTALLING);
 479     EnableWindow(GetDlgItem(install_dialog, IDCANCEL), 0);
 480
 481     if(sha_check(msi_file)) {
 482         WCHAR *cache_file_name;
 483
 484         install_file(msi_file);
 485
 486         cache_file_name = get_cache_file_name(TRUE);
 487         if(cache_file_name) {
 488             CopyFileW(msi_file, cache_file_name, FALSE);
 489             heap_free(cache_file_name);
 490         }
 491     }else {
 492         WCHAR message[256];
 493
 494         if(LoadStringW(hInst, IDS_INVALID_SHA, message, ARRAY_SIZE(message)))
 495             MessageBoxW(NULL, message, NULL, MB_ICONERROR);
 496     }
 497
 498     DeleteFileW(msi_file);
 499     heap_free(msi_file);
 500     msi_file = NULL;
 501
 502     EndDialog(install_dialog, 0);
 503     return S_OK;
 504 }
 505
 506 static HRESULT WINAPI InstallCallback_GetBindInfo(IBindStatusCallback *iface,
 507         DWORD* grfBINDF, BINDINFO* pbindinfo)
 508 {
 509     TRACE("()\n");
 510
 511     *grfBINDF = BINDF_ASYNCHRONOUS;
 512     return S_OK;
 513 }
 514
 515 static HRESULT WINAPI InstallCallback_OnDataAvailable(IBindStatusCallback *iface, DWORD grfBSCF,
 516         DWORD dwSize, FORMATETC* pformatetc, STGMEDIUM* pstgmed)
 517 {
 518     if(!msi_file) {
 519         msi_file = heap_strdupW(pstgmed->u.lpszFileName);
 520         TRACE("got file name %s\n", debugstr_w(msi_file));
 521     }
 522
 523     return S_OK;
 524 }
 525
 526 static HRESULT WINAPI InstallCallback_OnObjectAvailable(IBindStatusCallback *iface,
 527         REFIID riid, IUnknown* punk)
 528 {
 529     ERR("\n");
 530     return E_NOTIMPL;
 531 }
 532
 533 static const IBindStatusCallbackVtbl InstallCallbackVtbl = {
 534     InstallCallback_QueryInterface,
 535     InstallCallback_AddRef,
 536     InstallCallback_Release,
 537     InstallCallback_OnStartBinding,
 538     InstallCallback_GetPriority,
 539     InstallCallback_OnLowResource,
 540     InstallCallback_OnProgress,
 541     InstallCallback_OnStopBinding,
 542     InstallCallback_GetBindInfo,
 543     InstallCallback_OnDataAvailable,
 544     InstallCallback_OnObjectAvailable
 545 };
 546
 547 static IBindStatusCallback InstallCallback = { &InstallCallbackVtbl };
 548
 549 static HRESULT WINAPI InstallCallbackBindInfo_QueryInterface(IInternetBindInfo *iface, REFIID riid, void **ppv)
 550 {
 551     return IBindStatusCallback_QueryInterface(&InstallCallback, riid, ppv);
 552 }
 553
 554 static ULONG WINAPI InstallCallbackBindInfo_AddRef(IInternetBindInfo *iface)
 555 {
 556     return 2;
 557 }
 558
 559 static ULONG WINAPI InstallCallbackBindInfo_Release(IInternetBindInfo *iface)
 560 {
 561     return 1;
 562 }
 563
 564 static HRESULT WINAPI InstallCallbackBindInfo_GetBindInfo(IInternetBindInfo *iface, DWORD *bindf, BINDINFO *bindinfo)
 565 {
 566     ERR("\n");
 567     return E_NOTIMPL;
 568 }
 569
 570 static HRESULT WINAPI InstallCallbackBindInfo_GetBindString(IInternetBindInfo *iface, ULONG string_type,
 571         WCHAR **strs, ULONG cnt, ULONG *fetched)
 572 {
 573     switch(string_type) {
 574     case BINDSTRING_USER_AGENT:
 575         TRACE("BINDSTRING_USER_AGENT\n");
 576
 577         *strs = CoTaskMemAlloc(sizeof(L"Wine Addon Downloader"));
 578         if(!*strs)
 579             return E_OUTOFMEMORY;
 580
 581         lstrcpyW(*strs, L"Wine Addon Downloader");
 582         *fetched = 1;
 583         return S_OK;
 584     }
 585
 586     return E_NOTIMPL;
 587 }
 588
 589 static const IInternetBindInfoVtbl InstallCallbackBindInfoVtbl = {
 590     InstallCallbackBindInfo_QueryInterface,
 591     InstallCallbackBindInfo_AddRef,
 592     InstallCallbackBindInfo_Release,
 593     InstallCallbackBindInfo_GetBindInfo,
 594     InstallCallbackBindInfo_GetBindString
 595 };
 596
 597 static IInternetBindInfo InstallCallbackBindInfo = { &InstallCallbackBindInfoVtbl };
 598
 599 static void append_url_params( WCHAR *url )
 600 {
 601     DWORD size = INTERNET_MAX_URL_LENGTH * sizeof(WCHAR);
 602     DWORD len = lstrlenW(url);
 603
 604     lstrcpyW(url+len, L"?arch=");
 605     len += lstrlenW(L"?arch=");
 606     len += MultiByteToWideChar(CP_ACP, 0, GECKO_ARCH, sizeof(GECKO_ARCH),
 607                                url+len, size/sizeof(WCHAR)-len)-1;
 608     lstrcpyW(url+len, L"&v=");
 609     len += lstrlenW(L"&v=");
 610     len += MultiByteToWideChar(CP_ACP, 0, addon->version, -1, url+len, size/sizeof(WCHAR)-len)-1;
 611     lstrcpyW(url+len, L"&winev=");
 612     len += lstrlenW(L"&winev=");
 613     MultiByteToWideChar(CP_ACP, 0, wine_get_version(), -1, url+len, size/sizeof(WCHAR)-len);
 614 }
 615
 616 static LPWSTR get_url(void)
 617 {
 618     DWORD size = INTERNET_MAX_URL_LENGTH*sizeof(WCHAR);
 619     WCHAR *url, *config_key;
 620     HKEY hkey;
 621     DWORD res, type;
 622     DWORD returned_size;
 623
 624     static const WCHAR httpW[] = {'h','t','t','p'};
 625
 626     url = heap_alloc(size);
 627     returned_size = size;
 628
 629     hkey = open_config_key();
 630     if (hkey)
 631     {
 632         config_key = heap_strdupAtoW(addon->url_config_key);
 633         res = RegQueryValueExW(hkey, config_key, NULL, &type, (LPBYTE)url, &returned_size);
 634         heap_free(config_key);
 635         RegCloseKey(hkey);
 636         if(res == ERROR_SUCCESS && type == REG_SZ) goto found;
 637     }
 638
 639     MultiByteToWideChar( CP_ACP, 0, addon->url_default, -1, url, size / sizeof(WCHAR) );
 640
 641 found:
 642     if (returned_size > sizeof(httpW) && !memcmp(url, httpW, sizeof(httpW))) append_url_params( url );
 643
 644     TRACE("Got URL %s\n", debugstr_w(url));
 645     return url;
 646 }
 647
 648 static BOOL start_download(void)
 649 {
 650     IBindCtx *bind_ctx;
 651     IMoniker *mon;
 652     IUnknown *tmp;
 653     HRESULT hres;
 654
 655     hres = CreateURLMoniker(NULL, url, &mon);
 656     if(FAILED(hres))
 657         return FALSE;
 658
 659     hres = CreateAsyncBindCtx(0, &InstallCallback, NULL, &bind_ctx);
 660     if(SUCCEEDED(hres)) {
 661         hres = IMoniker_BindToStorage(mon, bind_ctx, NULL, &IID_IUnknown, (void**)&tmp);
 662         IBindCtx_Release(bind_ctx);
 663     }
 664     IMoniker_Release(mon);
 665     if(FAILED(hres))
 666         return FALSE;
 667
 668     if(tmp)
 669         IUnknown_Release(tmp);
 670     return TRUE;
 671 }
 672
 673 static void run_winebrowser(const WCHAR *url)
 674 {
 675     PROCESS_INFORMATION pi;
 676     STARTUPINFOW si;
 677     WCHAR app[MAX_PATH];
 678     LONG len, url_len;
 679     WCHAR *args;
 680     BOOL ret;
 681
 682     url_len = lstrlenW(url);
 683
 684     len = GetSystemDirectoryW(app, MAX_PATH - ARRAY_SIZE(L"\\winebrowser.exe"));
 685     lstrcpyW(app+len, L"\\winebrowser.exe");
 686     len += ARRAY_SIZE(L"\\winebrowser.exe") - 1;
 687
 688     args = heap_alloc((len+1+url_len)*sizeof(WCHAR));
 689     if(!args)
 690         return;
 691
 692     memcpy(args, app, len*sizeof(WCHAR));
 693     args[len++] = ' ';
 694     memcpy(args+len, url, (url_len+1) * sizeof(WCHAR));
 695
 696     TRACE("starting %s\n", debugstr_w(args));
 697
 698     memset(&si, 0, sizeof(si));
 699     si.cb = sizeof(si);
 700     ret = CreateProcessW(app, args, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi);
 701     heap_free(args);
 702     if (ret) {
 703         CloseHandle(pi.hThread);
 704         CloseHandle(pi.hProcess);
 705     }
 706 }
 707
 708 static INT_PTR CALLBACK installer_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 709 {
 710     switch(msg) {
 711     case WM_INITDIALOG:
 712         ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_HIDE);
 713         install_dialog = hwnd;
 714         return TRUE;
 715
 716     case WM_NOTIFY:
 717         switch (((NMHDR *)lParam)->code)
 718         {
 719         case NM_CLICK:
 720         case NM_RETURN:
 721             if (wParam == ID_DWL_STATUS)
 722                 run_winebrowser(((NMLINK*)lParam)->item.szUrl);
 723             break;
 724         }
 725         break;
 726
 727     case WM_COMMAND:
 728         switch(wParam) {
 729         case IDCANCEL:
 730             if(dwl_binding)
 731                 IBinding_Abort(dwl_binding);
 732             EndDialog(hwnd, 0);
 733             return FALSE;
 734
 735         case ID_DWL_INSTALL:
 736             ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_SHOW);
 737             EnableWindow(GetDlgItem(hwnd, ID_DWL_INSTALL), 0);
 738             if(!start_download())
 739                 EndDialog(install_dialog, 0);
 740         }
 741     }
 742
 743     return FALSE;
 744 }
 745
 746 BOOL install_addon(addon_t addon_type)
 747 {
 748     if(!*GECKO_ARCH)
 749         return FALSE;
 750
 751     addon = addons_info+addon_type;
 752
 753     p_wine_get_dos_file_name = (void *)GetProcAddress(GetModuleHandleW(L"kernel32.dll"), "wine_get_dos_file_name");
 754
 755     /*
 756      * Try to find addon .msi file in following order:
 757      * - directory stored in $dir_config_key value of HKCU/Software/Wine/$config_key key
 758      * - $datadir/$addon_subdir/
 759      * - $INSTALL_DATADIR/wine/$addon_subdir/
 760      * - /usr/share/wine/$addon_subdir/
 761      * - /opt/wine/$addon_subdir/
 762      * - download from URL stored in $url_config_key value of HKCU/Software/Wine/$config_key key
 763      */
 764     if (install_from_registered_dir() == INSTALL_NEXT
 765         && install_from_default_dir() == INSTALL_NEXT
 766         && install_from_cache() == INSTALL_NEXT
 767         && (url = get_url()))
 768         DialogBoxW(hInst, addon->dialog_template, 0, installer_proc);
 769
 770     heap_free(url);
 771     url = NULL;
 772     return TRUE;
 773 }