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 "config.h"
  20 #include "wine/port.h"
  21
  22 #include <stdarg.h>
  23 #include <fcntl.h>
  24 #include <stdio.h>
  25 #include <errno.h>
  26 #ifdef HAVE_UNISTD_H
  27 # include <unistd.h>
  28 #endif
  29
  30 #define COBJMACROS
  31 #define NONAMELESSUNION
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "winuser.h"
  36 #include "cpl.h"
  37 #include "winreg.h"
  38 #include "ole2.h"
  39 #include "commctrl.h"
  40 #include "advpub.h"
  41 #include "wininet.h"
  42 #include "shellapi.h"
  43 #include "urlmon.h"
  44 #include "msi.h"
  45 #include "bcrypt.h"
  46
  47 #include "appwiz.h"
  48 #include "res.h"
  49
  50 #include "wine/debug.h"
  51 #include "wine/library.h"
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(appwizcpl);
  54
  55 #define GECKO_VERSION "2.47"
  56
  57 #ifdef __i386__
  58 #define ARCH_STRING "x86"
  59 #define GECKO_SHA "3b8a361f5d63952d21caafd74e849a774994822fb96c5922b01d554f1677643a"
  60 #elif defined(__x86_64__)
  61 #define ARCH_STRING "x86_64"
  62 #define GECKO_SHA "c565ea25e50ea953937d4ab01299e4306da4a556946327d253ea9b28357e4a7d"
  63 #else
  64 #define ARCH_STRING ""
  65 #define GECKO_SHA "???"
  66 #endif
  67
  68 #define MONO_VERSION "4.7.1"
  69 #define MONO_SHA "2c8d5db7f833c3413b2519991f5af1f433d59a927564ec6f38a3f1f8b2c629aa"
  70
  71 typedef struct {
  72     const char *version;
  73     const char *file_name;
  74     const char *subdir_name;
  75     const char *sha;
  76     const char *url_default;
  77     const char *config_key;
  78     const char *url_config_key;
  79     const char *dir_config_key;
  80     LPCWSTR dialog_template;
  81 } addon_info_t;
  82
  83 /* Download addon files over HTTP because Wine depends on an external library
  84  * for TLS, so we can't be sure that HTTPS will work. The integrity of each file
  85  * is checked with a hardcoded cryptographically secure hash. */
  86 static const addon_info_t addons_info[] = {
  87     {
  88         GECKO_VERSION,
  89         "wine_gecko-" GECKO_VERSION "-" ARCH_STRING ".msi",
  90         "gecko",
  91         GECKO_SHA,
  92         "http://source.winehq.org/winegecko.php",
  93         "MSHTML", "GeckoUrl", "GeckoCabDir",
  94         MAKEINTRESOURCEW(ID_DWL_GECKO_DIALOG)
  95     },
  96     {
  97         MONO_VERSION,
  98         "wine-mono-" MONO_VERSION ".msi",
  99         "mono",
 100         MONO_SHA,
 101         "http://source.winehq.org/winemono.php",
 102         "Dotnet", "MonoUrl", "MonoCabDir",
 103         MAKEINTRESOURCEW(ID_DWL_MONO_DIALOG)
 104     }
 105 };
 106
 107 static const addon_info_t *addon;
 108
 109 static HWND install_dialog = NULL;
 110 static LPWSTR url = NULL;
 111 static IBinding *dwl_binding;
 112 static WCHAR *msi_file;
 113
 114 static WCHAR * (CDECL *p_wine_get_dos_file_name)(const char*);
 115 static const WCHAR kernel32_dllW[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
 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     BCRYPT_HASH_HANDLE hash = NULL;
 123     BCRYPT_ALG_HANDLE alg = NULL;
 124     UCHAR sha[32];
 125     char buf[1024];
 126     BOOL ret = FALSE;
 127
 128     file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL);
 129     if(file == INVALID_HANDLE_VALUE) {
 130         WARN("Could not open file: %u\n", GetLastError());
 131         return FALSE;
 132     }
 133
 134     size = GetFileSize(file, NULL);
 135
 136     map = CreateFileMappingW(file, NULL, PAGE_READONLY, 0, 0, NULL);
 137     CloseHandle(file);
 138     if(!map)
 139         return FALSE;
 140
 141     file_map = MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0);
 142     CloseHandle(map);
 143     if(!file_map)
 144         return FALSE;
 145
 146     if(BCryptOpenAlgorithmProvider(&alg, BCRYPT_SHA256_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0))
 147         goto end;
 148     if(BCryptCreateHash(alg, &hash, NULL, 0, NULL, 0, 0))
 149         goto end;
 150     if(BCryptHashData(hash, (UCHAR *)file_map, size, 0))
 151         goto end;
 152     if(BCryptFinishHash(hash, sha, sizeof(sha), 0))
 153         goto end;
 154
 155     for(i=0; i < sizeof(sha); i++)
 156         sprintf(buf + i * 2, "%02x", sha[i]);
 157
 158     ret = !strcmp(buf, addon->sha);
 159     if(!ret)
 160         WARN("Got %s, expected %s\n", buf, addon->sha);
 161
 162 end:
 163     UnmapViewOfFile(file_map);
 164     if(hash) BCryptDestroyHash(hash);
 165     if(alg) BCryptCloseAlgorithmProvider(alg, 0);
 166     return ret;
 167 }
 168
 169 static void set_status(DWORD id)
 170 {
 171     HWND status = GetDlgItem(install_dialog, ID_DWL_STATUS);
 172     WCHAR buf[64];
 173
 174     LoadStringW(hInst, id, buf, ARRAY_SIZE(buf));
 175     SendMessageW(status, WM_SETTEXT, 0, (LPARAM)buf);
 176 }
 177
 178 enum install_res {
 179     INSTALL_OK = 0,
 180     INSTALL_FAILED,
 181     INSTALL_NEXT,
 182 };
 183
 184 static enum install_res install_file(const WCHAR *file_name)
 185 {
 186     static const WCHAR update_cmd[] = {
 187         'R','E','I','N','S','T','A','L','L','=','A','L','L',' ',
 188         'R','E','I','N','S','T','A','L','L','M','O','D','E','=','v','o','m','u','s',0};
 189     ULONG res;
 190
 191     res = MsiInstallProductW(file_name, NULL);
 192     if(res == ERROR_PRODUCT_VERSION)
 193         res = MsiInstallProductW(file_name, update_cmd);
 194     if(res != ERROR_SUCCESS) {
 195         ERR("MsiInstallProduct failed: %u\n", res);
 196         return INSTALL_FAILED;
 197     }
 198
 199     return INSTALL_OK;
 200 }
 201
 202 static enum install_res install_from_unix_file(const char *dir, const char *subdir, const char *file_name)
 203 {
 204     LPWSTR dos_file_name;
 205     char *file_path;
 206     int fd, len;
 207     enum install_res ret;
 208
 209     len = strlen(dir);
 210     file_path = heap_alloc(len+strlen(subdir)+strlen(file_name)+3);
 211     if(!file_path)
 212         return INSTALL_FAILED;
 213
 214     memcpy(file_path, dir, len);
 215     if(len && file_path[len-1] != '/' && file_path[len-1] != '\\')
 216         file_path[len++] = '/';
 217     if(*subdir) {
 218         strcpy(file_path+len, subdir);
 219         len += strlen(subdir);
 220         file_path[len++] = '/';
 221     }
 222     strcpy(file_path+len, file_name);
 223
 224     fd = open(file_path, O_RDONLY);
 225     if(fd == -1) {
 226         TRACE("%s not found\n", debugstr_a(file_path));
 227         heap_free(file_path);
 228         return INSTALL_NEXT;
 229     }
 230
 231     close(fd);
 232
 233     if(p_wine_get_dos_file_name) { /* Wine UNIX mode */
 234         dos_file_name = p_wine_get_dos_file_name(file_path);
 235         if(!dos_file_name) {
 236             ERR("Could not get dos file name of %s\n", debugstr_a(file_path));
 237             heap_free(file_path);
 238             return INSTALL_FAILED;
 239         }
 240     } else { /* Windows mode */
 241         UINT res;
 242         WARN("Could not get wine_get_dos_file_name function, calling install_cab directly.\n");
 243         res = MultiByteToWideChar( CP_ACP, 0, file_path, -1, 0, 0);
 244         dos_file_name = heap_alloc (res*sizeof(WCHAR));
 245         MultiByteToWideChar( CP_ACP, 0, file_path, -1, dos_file_name, res);
 246     }
 247
 248     heap_free(file_path);
 249
 250     ret = install_file(dos_file_name);
 251
 252     heap_free(dos_file_name);
 253     return ret;
 254 }
 255
 256 static HKEY open_config_key(void)
 257 {
 258     HKEY hkey, ret;
 259     DWORD res;
 260
 261     static const WCHAR wine_keyW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e',0};
 262
 263     /* @@ Wine registry key: HKCU\Software\Wine\$config_key */
 264     res = RegOpenKeyW(HKEY_CURRENT_USER, wine_keyW, &hkey);
 265     if(res != ERROR_SUCCESS)
 266         return NULL;
 267
 268     res = RegOpenKeyA(hkey, addon->config_key, &ret);
 269     RegCloseKey(hkey);
 270     return res == ERROR_SUCCESS ? ret : NULL;
 271 }
 272
 273 static enum install_res install_from_registered_dir(void)
 274 {
 275     char *package_dir;
 276     HKEY hkey;
 277     DWORD res, type, size = MAX_PATH;
 278     enum install_res ret;
 279
 280     hkey = open_config_key();
 281     if(!hkey)
 282         return INSTALL_NEXT;
 283
 284     package_dir = heap_alloc(size);
 285     res = RegGetValueA(hkey, NULL, addon->dir_config_key, RRF_RT_ANY, &type, (PBYTE)package_dir, &size);
 286     if(res == ERROR_MORE_DATA) {
 287         package_dir = heap_realloc(package_dir, size);
 288         res = RegGetValueA(hkey, NULL, addon->dir_config_key, RRF_RT_ANY, &type, (PBYTE)package_dir, &size);
 289     }
 290     RegCloseKey(hkey);
 291     if(res == ERROR_FILE_NOT_FOUND) {
 292         heap_free(package_dir);
 293         return INSTALL_NEXT;
 294     } else if(res != ERROR_SUCCESS || (type != REG_SZ && type != REG_EXPAND_SZ)) {
 295         heap_free(package_dir);
 296         return INSTALL_FAILED;
 297     }
 298
 299     TRACE("Trying %s/%s\n", debugstr_a(package_dir), debugstr_a(addon->file_name));
 300
 301     ret = install_from_unix_file(package_dir, "", addon->file_name);
 302
 303     heap_free(package_dir);
 304     return ret;
 305 }
 306
 307 static enum install_res install_from_default_dir(void)
 308 {
 309     const char *data_dir, *package_dir;
 310     char *dir_buf = NULL;
 311     int len;
 312     enum install_res ret;
 313
 314     if((data_dir = wine_get_data_dir())) {
 315         package_dir = data_dir;
 316     }else if((data_dir = wine_get_build_dir())) {
 317         len = strlen(data_dir);
 318         dir_buf = heap_alloc(len + sizeof("/../"));
 319         memcpy(dir_buf, data_dir, len);
 320         strcpy(dir_buf+len, "/../");
 321         package_dir = dir_buf;
 322     }else {
 323         return INSTALL_NEXT;
 324     }
 325
 326     ret = install_from_unix_file(package_dir, addon->subdir_name, addon->file_name);
 327     heap_free(dir_buf);
 328
 329     if (ret == INSTALL_NEXT)
 330         ret = install_from_unix_file(INSTALL_DATADIR "/wine/", addon->subdir_name, addon->file_name);
 331     if (ret == INSTALL_NEXT && strcmp(INSTALL_DATADIR, "/usr/share"))
 332         ret = install_from_unix_file("/usr/share/wine/", addon->subdir_name, addon->file_name);
 333     return ret;
 334 }
 335
 336 static WCHAR *get_cache_file_name(BOOL ensure_exists)
 337 {
 338     const char *home_dir = NULL, *xdg_cache_dir;
 339     size_t len, size = strlen(addon->file_name) + 7; /* strlen("/wine/"), '\0' */
 340     char *cache_file_name;
 341     WCHAR *ret;
 342
 343     /* non-Wine (eg. Windows) cache is currently not supported */
 344     if(!p_wine_get_dos_file_name)
 345         return NULL;
 346
 347     xdg_cache_dir = getenv("XDG_CACHE_HOME");
 348     if(xdg_cache_dir && *xdg_cache_dir) {
 349         size += strlen(xdg_cache_dir);
 350     }else {
 351         home_dir = getenv("HOME");
 352         if(!home_dir)
 353             return NULL;
 354
 355         size += strlen(home_dir) + 8; /* strlen("/.cache/") */
 356     }
 357
 358     cache_file_name = heap_alloc(size);
 359     if(!cache_file_name)
 360         return NULL;
 361
 362     if(xdg_cache_dir && *xdg_cache_dir) {
 363         len = strlen(xdg_cache_dir);
 364         if(len > 1 && xdg_cache_dir[len-1] == '/')
 365             len--;
 366         memcpy(cache_file_name, xdg_cache_dir, len);
 367         cache_file_name[len] = 0;
 368     }else {
 369         len = strlen(home_dir);
 370         memcpy(cache_file_name, home_dir, len);
 371         strcpy(cache_file_name+len, "/.cache");
 372         len += 7;
 373     }
 374
 375     if(ensure_exists && mkdir(cache_file_name, 0777) && errno != EEXIST) {
 376         WARN("%s does not exist and could not be created: %s\n", cache_file_name, strerror(errno));
 377         heap_free(cache_file_name);
 378         return NULL;
 379     }
 380
 381     strcpy(cache_file_name+len, "/wine");
 382     len += 5;
 383
 384     if(ensure_exists && mkdir(cache_file_name, 0777) && errno != EEXIST) {
 385         WARN("%s does not exist and could not be created: %s\n", cache_file_name, strerror(errno));
 386         return NULL;
 387     }
 388
 389     cache_file_name[len++] = '/';
 390     strcpy(cache_file_name+len, addon->file_name);
 391     ret = p_wine_get_dos_file_name(cache_file_name);
 392
 393     TRACE("%s -> %s\n", cache_file_name, debugstr_w(ret));
 394
 395     heap_free(cache_file_name);
 396     return ret;
 397 }
 398
 399 static enum install_res install_from_cache(void)
 400 {
 401     WCHAR *cache_file_name;
 402     enum install_res res;
 403
 404     cache_file_name = get_cache_file_name(FALSE);
 405     if(!cache_file_name)
 406         return INSTALL_NEXT;
 407
 408     if(!sha_check(cache_file_name)) {
 409         WARN("could not validate checksum\n");
 410         DeleteFileW(cache_file_name);
 411         heap_free(cache_file_name);
 412         return INSTALL_NEXT;
 413     }
 414
 415     res = install_file(cache_file_name);
 416     heap_free(cache_file_name);
 417     return res;
 418 }
 419
 420 static IInternetBindInfo InstallCallbackBindInfo;
 421
 422 static HRESULT WINAPI InstallCallback_QueryInterface(IBindStatusCallback *iface,
 423         REFIID riid, void **ppv)
 424 {
 425     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IBindStatusCallback, riid)) {
 426         *ppv = iface;
 427         return S_OK;
 428     }
 429
 430     if(IsEqualGUID(&IID_IInternetBindInfo, riid)) {
 431         TRACE("IID_IInternetBindInfo\n");
 432         *ppv = &InstallCallbackBindInfo;
 433         return S_OK;
 434     }
 435
 436     return E_INVALIDARG;
 437 }
 438
 439 static ULONG WINAPI InstallCallback_AddRef(IBindStatusCallback *iface)
 440 {
 441     return 2;
 442 }
 443
 444 static ULONG WINAPI InstallCallback_Release(IBindStatusCallback *iface)
 445 {
 446     return 1;
 447 }
 448
 449 static HRESULT WINAPI InstallCallback_OnStartBinding(IBindStatusCallback *iface,
 450         DWORD dwReserved, IBinding *pib)
 451 {
 452     set_status(IDS_DOWNLOADING);
 453
 454     IBinding_AddRef(pib);
 455     dwl_binding = pib;
 456
 457     return S_OK;
 458 }
 459
 460 static HRESULT WINAPI InstallCallback_GetPriority(IBindStatusCallback *iface,
 461         LONG *pnPriority)
 462 {
 463     return E_NOTIMPL;
 464 }
 465
 466 static HRESULT WINAPI InstallCallback_OnLowResource(IBindStatusCallback *iface,
 467        DWORD dwReserved)
 468 {
 469     return E_NOTIMPL;
 470 }
 471
 472 static HRESULT WINAPI InstallCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 473         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 474 {
 475     HWND progress = GetDlgItem(install_dialog, ID_DWL_PROGRESS);
 476
 477     if(ulProgressMax)
 478         SendMessageW(progress, PBM_SETRANGE32, 0, ulProgressMax);
 479     if(ulProgress)
 480         SendMessageW(progress, PBM_SETPOS, ulProgress, 0);
 481
 482     return S_OK;
 483 }
 484
 485 static HRESULT WINAPI InstallCallback_OnStopBinding(IBindStatusCallback *iface,
 486         HRESULT hresult, LPCWSTR szError)
 487 {
 488     if(dwl_binding) {
 489         IBinding_Release(dwl_binding);
 490         dwl_binding = NULL;
 491     }
 492
 493     if(FAILED(hresult)) {
 494         if(hresult == E_ABORT)
 495             TRACE("Binding aborted\n");
 496         else
 497             ERR("Binding failed %08x\n", hresult);
 498         return S_OK;
 499     }
 500
 501     if(!msi_file) {
 502         ERR("No MSI file\n");
 503         return E_FAIL;
 504     }
 505
 506     set_status(IDS_INSTALLING);
 507     EnableWindow(GetDlgItem(install_dialog, IDCANCEL), 0);
 508
 509     if(sha_check(msi_file)) {
 510         WCHAR *cache_file_name;
 511
 512         install_file(msi_file);
 513
 514         cache_file_name = get_cache_file_name(TRUE);
 515         if(cache_file_name) {
 516             MoveFileW(msi_file, cache_file_name);
 517             heap_free(cache_file_name);
 518         }
 519     }else {
 520         WCHAR message[256];
 521
 522         if(LoadStringW(hInst, IDS_INVALID_SHA, message, ARRAY_SIZE(message)))
 523             MessageBoxW(NULL, message, NULL, MB_ICONERROR);
 524     }
 525
 526     DeleteFileW(msi_file);
 527     heap_free(msi_file);
 528     msi_file = NULL;
 529
 530     EndDialog(install_dialog, 0);
 531     return S_OK;
 532 }
 533
 534 static HRESULT WINAPI InstallCallback_GetBindInfo(IBindStatusCallback *iface,
 535         DWORD* grfBINDF, BINDINFO* pbindinfo)
 536 {
 537     TRACE("()\n");
 538
 539     *grfBINDF = BINDF_ASYNCHRONOUS;
 540     return S_OK;
 541 }
 542
 543 static HRESULT WINAPI InstallCallback_OnDataAvailable(IBindStatusCallback *iface, DWORD grfBSCF,
 544         DWORD dwSize, FORMATETC* pformatetc, STGMEDIUM* pstgmed)
 545 {
 546     if(!msi_file) {
 547         msi_file = heap_strdupW(pstgmed->u.lpszFileName);
 548         TRACE("got file name %s\n", debugstr_w(msi_file));
 549     }
 550
 551     return S_OK;
 552 }
 553
 554 static HRESULT WINAPI InstallCallback_OnObjectAvailable(IBindStatusCallback *iface,
 555         REFIID riid, IUnknown* punk)
 556 {
 557     ERR("\n");
 558     return E_NOTIMPL;
 559 }
 560
 561 static const IBindStatusCallbackVtbl InstallCallbackVtbl = {
 562     InstallCallback_QueryInterface,
 563     InstallCallback_AddRef,
 564     InstallCallback_Release,
 565     InstallCallback_OnStartBinding,
 566     InstallCallback_GetPriority,
 567     InstallCallback_OnLowResource,
 568     InstallCallback_OnProgress,
 569     InstallCallback_OnStopBinding,
 570     InstallCallback_GetBindInfo,
 571     InstallCallback_OnDataAvailable,
 572     InstallCallback_OnObjectAvailable
 573 };
 574
 575 static IBindStatusCallback InstallCallback = { &InstallCallbackVtbl };
 576
 577 static HRESULT WINAPI InstallCallbackBindInfo_QueryInterface(IInternetBindInfo *iface, REFIID riid, void **ppv)
 578 {
 579     return IBindStatusCallback_QueryInterface(&InstallCallback, riid, ppv);
 580 }
 581
 582 static ULONG WINAPI InstallCallbackBindInfo_AddRef(IInternetBindInfo *iface)
 583 {
 584     return 2;
 585 }
 586
 587 static ULONG WINAPI InstallCallbackBindInfo_Release(IInternetBindInfo *iface)
 588 {
 589     return 1;
 590 }
 591
 592 static HRESULT WINAPI InstallCallbackBindInfo_GetBindInfo(IInternetBindInfo *iface, DWORD *bindf, BINDINFO *bindinfo)
 593 {
 594     ERR("\n");
 595     return E_NOTIMPL;
 596 }
 597
 598 static HRESULT WINAPI InstallCallbackBindInfo_GetBindString(IInternetBindInfo *iface, ULONG string_type,
 599         WCHAR **strs, ULONG cnt, ULONG *fetched)
 600 {
 601     static const WCHAR wine_addon_downloaderW[] =
 602         {'W','i','n','e',' ','A','d','d','o','n',' ','D','o','w','n','l','o','a','d','e','r',0};
 603
 604     switch(string_type) {
 605     case BINDSTRING_USER_AGENT:
 606         TRACE("BINDSTRING_USER_AGENT\n");
 607
 608         *strs = CoTaskMemAlloc(sizeof(wine_addon_downloaderW));
 609         if(!*strs)
 610             return E_OUTOFMEMORY;
 611
 612         memcpy(*strs, wine_addon_downloaderW, sizeof(wine_addon_downloaderW));
 613         *fetched = 1;
 614         return S_OK;
 615     }
 616
 617     return E_NOTIMPL;
 618 }
 619
 620 static const IInternetBindInfoVtbl InstallCallbackBindInfoVtbl = {
 621     InstallCallbackBindInfo_QueryInterface,
 622     InstallCallbackBindInfo_AddRef,
 623     InstallCallbackBindInfo_Release,
 624     InstallCallbackBindInfo_GetBindInfo,
 625     InstallCallbackBindInfo_GetBindString
 626 };
 627
 628 static IInternetBindInfo InstallCallbackBindInfo = { &InstallCallbackBindInfoVtbl };
 629
 630 static void append_url_params( WCHAR *url )
 631 {
 632     static const WCHAR arch_formatW[] = {'?','a','r','c','h','='};
 633     static const WCHAR v_formatW[] = {'&','v','='};
 634     static const WCHAR winevW[] = {'&','w','i','n','e','v','='};
 635     DWORD size = INTERNET_MAX_URL_LENGTH * sizeof(WCHAR);
 636     DWORD len = strlenW(url);
 637
 638     memcpy(url+len, arch_formatW, sizeof(arch_formatW));
 639     len += sizeof(arch_formatW)/sizeof(WCHAR);
 640     len += MultiByteToWideChar(CP_ACP, 0, ARCH_STRING, sizeof(ARCH_STRING),
 641                                url+len, size/sizeof(WCHAR)-len)-1;
 642     memcpy(url+len, v_formatW, sizeof(v_formatW));
 643     len += sizeof(v_formatW)/sizeof(WCHAR);
 644     len += MultiByteToWideChar(CP_ACP, 0, addon->version, -1, url+len, size/sizeof(WCHAR)-len)-1;
 645     memcpy(url+len, winevW, sizeof(winevW));
 646     len += sizeof(winevW)/sizeof(WCHAR);
 647     MultiByteToWideChar(CP_ACP, 0, PACKAGE_VERSION, -1, url+len, size/sizeof(WCHAR)-len);
 648 }
 649
 650 static LPWSTR get_url(void)
 651 {
 652     DWORD size = INTERNET_MAX_URL_LENGTH*sizeof(WCHAR);
 653     WCHAR *url, *config_key;
 654     HKEY hkey;
 655     DWORD res, type;
 656     DWORD returned_size;
 657
 658     static const WCHAR httpW[] = {'h','t','t','p'};
 659
 660     url = heap_alloc(size);
 661     returned_size = size;
 662
 663     hkey = open_config_key();
 664     if (hkey)
 665     {
 666         config_key = heap_strdupAtoW(addon->url_config_key);
 667         res = RegQueryValueExW(hkey, config_key, NULL, &type, (LPBYTE)url, &returned_size);
 668         heap_free(config_key);
 669         RegCloseKey(hkey);
 670         if(res == ERROR_SUCCESS && type == REG_SZ) goto found;
 671     }
 672
 673     MultiByteToWideChar( CP_ACP, 0, addon->url_default, -1, url, size / sizeof(WCHAR) );
 674
 675 found:
 676     if (returned_size > sizeof(httpW) && !memcmp(url, httpW, sizeof(httpW))) append_url_params( url );
 677
 678     TRACE("Got URL %s\n", debugstr_w(url));
 679     return url;
 680 }
 681
 682 static BOOL start_download(void)
 683 {
 684     IBindCtx *bind_ctx;
 685     IMoniker *mon;
 686     IUnknown *tmp;
 687     HRESULT hres;
 688
 689     hres = CreateURLMoniker(NULL, url, &mon);
 690     if(FAILED(hres))
 691         return FALSE;
 692
 693     hres = CreateAsyncBindCtx(0, &InstallCallback, NULL, &bind_ctx);
 694     if(SUCCEEDED(hres)) {
 695         hres = IMoniker_BindToStorage(mon, bind_ctx, NULL, &IID_IUnknown, (void**)&tmp);
 696         IBindCtx_Release(bind_ctx);
 697     }
 698     IMoniker_Release(mon);
 699     if(FAILED(hres))
 700         return FALSE;
 701
 702     if(tmp)
 703         IUnknown_Release(tmp);
 704     return TRUE;
 705 }
 706
 707 static void run_winebrowser(const WCHAR *url)
 708 {
 709     PROCESS_INFORMATION pi;
 710     STARTUPINFOW si;
 711     WCHAR app[MAX_PATH];
 712     LONG len, url_len;
 713     WCHAR *args;
 714     BOOL ret;
 715
 716     static const WCHAR winebrowserW[] = {'\\','w','i','n','e','b','r','o','w','s','e','r','.','e','x','e',0};
 717
 718     url_len = strlenW(url);
 719
 720     len = GetSystemDirectoryW(app, MAX_PATH-sizeof(winebrowserW)/sizeof(WCHAR));
 721     memcpy(app+len, winebrowserW, sizeof(winebrowserW));
 722     len += sizeof(winebrowserW)/sizeof(WCHAR) -1;
 723
 724     args = heap_alloc((len+1+url_len)*sizeof(WCHAR));
 725     if(!args)
 726         return;
 727
 728     memcpy(args, app, len*sizeof(WCHAR));
 729     args[len++] = ' ';
 730     memcpy(args+len, url, (url_len+1) * sizeof(WCHAR));
 731
 732     TRACE("starting %s\n", debugstr_w(args));
 733
 734     memset(&si, 0, sizeof(si));
 735     si.cb = sizeof(si);
 736     ret = CreateProcessW(app, args, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi);
 737     heap_free(args);
 738     if (ret) {
 739         CloseHandle(pi.hThread);
 740         CloseHandle(pi.hProcess);
 741     }
 742 }
 743
 744 static INT_PTR CALLBACK installer_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 745 {
 746     switch(msg) {
 747     case WM_INITDIALOG:
 748         ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_HIDE);
 749         install_dialog = hwnd;
 750         return TRUE;
 751
 752     case WM_NOTIFY:
 753         switch (((NMHDR *)lParam)->code)
 754         {
 755         case NM_CLICK:
 756         case NM_RETURN:
 757             if (wParam == ID_DWL_STATUS)
 758                 run_winebrowser(((NMLINK*)lParam)->item.szUrl);
 759             break;
 760         }
 761         break;
 762
 763     case WM_COMMAND:
 764         switch(wParam) {
 765         case IDCANCEL:
 766             if(dwl_binding)
 767                 IBinding_Abort(dwl_binding);
 768             EndDialog(hwnd, 0);
 769             return FALSE;
 770
 771         case ID_DWL_INSTALL:
 772             ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_SHOW);
 773             EnableWindow(GetDlgItem(hwnd, ID_DWL_INSTALL), 0);
 774             if(!start_download())
 775                 EndDialog(install_dialog, 0);
 776         }
 777     }
 778
 779     return FALSE;
 780 }
 781
 782 BOOL install_addon(addon_t addon_type)
 783 {
 784     if(!*ARCH_STRING)
 785         return FALSE;
 786
 787     addon = addons_info+addon_type;
 788
 789     p_wine_get_dos_file_name = (void*)GetProcAddress(GetModuleHandleW(kernel32_dllW), "wine_get_dos_file_name");
 790
 791     /*
 792      * Try to find addon .msi file in following order:
 793      * - directory stored in $dir_config_key value of HKCU/Software/Wine/$config_key key
 794      * - $datadir/$addon_subdir/
 795      * - $INSTALL_DATADIR/wine/$addon_subdir/
 796      * - /usr/share/wine/$addon_subdir/
 797      * - download from URL stored in $url_config_key value of HKCU/Software/Wine/$config_key key
 798      */
 799     if (install_from_registered_dir() == INSTALL_NEXT
 800         && install_from_default_dir() == INSTALL_NEXT
 801         && install_from_cache() == INSTALL_NEXT
 802         && (url = get_url()))
 803         DialogBoxW(hInst, addon->dialog_template, 0, installer_proc);
 804
 805     heap_free(url);
 806     url = NULL;
 807     return TRUE;
 808 }