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, sizeof(buf)/sizeof(WCHAR));
 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     ULONG res;
 187
 188     res = MsiInstallProductW(file_name, NULL);
 189     if(res != ERROR_SUCCESS) {
 190         ERR("MsiInstallProduct failed: %u\n", res);
 191         return INSTALL_FAILED;
 192     }
 193
 194     return INSTALL_OK;
 195 }
 196
 197 static enum install_res install_from_unix_file(const char *dir, const char *subdir, const char *file_name)
 198 {
 199     LPWSTR dos_file_name;
 200     char *file_path;
 201     int fd, len;
 202     enum install_res ret;
 203
 204     len = strlen(dir);
 205     file_path = heap_alloc(len+strlen(subdir)+strlen(file_name)+3);
 206     if(!file_path)
 207         return INSTALL_FAILED;
 208
 209     memcpy(file_path, dir, len);
 210     if(len && file_path[len-1] != '/' && file_path[len-1] != '\\')
 211         file_path[len++] = '/';
 212     if(*subdir) {
 213         strcpy(file_path+len, subdir);
 214         len += strlen(subdir);
 215         file_path[len++] = '/';
 216     }
 217     strcpy(file_path+len, file_name);
 218
 219     fd = open(file_path, O_RDONLY);
 220     if(fd == -1) {
 221         TRACE("%s not found\n", debugstr_a(file_path));
 222         heap_free(file_path);
 223         return INSTALL_NEXT;
 224     }
 225
 226     close(fd);
 227
 228     if(p_wine_get_dos_file_name) { /* Wine UNIX mode */
 229         dos_file_name = p_wine_get_dos_file_name(file_path);
 230         if(!dos_file_name) {
 231             ERR("Could not get dos file name of %s\n", debugstr_a(file_path));
 232             heap_free(file_path);
 233             return INSTALL_FAILED;
 234         }
 235     } else { /* Windows mode */
 236         UINT res;
 237         WARN("Could not get wine_get_dos_file_name function, calling install_cab directly.\n");
 238         res = MultiByteToWideChar( CP_ACP, 0, file_path, -1, 0, 0);
 239         dos_file_name = heap_alloc (res*sizeof(WCHAR));
 240         MultiByteToWideChar( CP_ACP, 0, file_path, -1, dos_file_name, res);
 241     }
 242
 243     heap_free(file_path);
 244
 245     ret = install_file(dos_file_name);
 246
 247     heap_free(dos_file_name);
 248     return ret;
 249 }
 250
 251 static HKEY open_config_key(void)
 252 {
 253     HKEY hkey, ret;
 254     DWORD res;
 255
 256     static const WCHAR wine_keyW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e',0};
 257
 258     /* @@ Wine registry key: HKCU\Software\Wine\$config_key */
 259     res = RegOpenKeyW(HKEY_CURRENT_USER, wine_keyW, &hkey);
 260     if(res != ERROR_SUCCESS)
 261         return NULL;
 262
 263     res = RegOpenKeyA(hkey, addon->config_key, &ret);
 264     RegCloseKey(hkey);
 265     return res == ERROR_SUCCESS ? ret : NULL;
 266 }
 267
 268 static enum install_res install_from_registered_dir(void)
 269 {
 270     char *package_dir;
 271     HKEY hkey;
 272     DWORD res, type, size = MAX_PATH;
 273     enum install_res ret;
 274
 275     hkey = open_config_key();
 276     if(!hkey)
 277         return INSTALL_NEXT;
 278
 279     package_dir = heap_alloc(size);
 280     res = RegGetValueA(hkey, NULL, addon->dir_config_key, RRF_RT_ANY, &type, (PBYTE)package_dir, &size);
 281     if(res == ERROR_MORE_DATA) {
 282         package_dir = heap_realloc(package_dir, size);
 283         res = RegGetValueA(hkey, NULL, addon->dir_config_key, RRF_RT_ANY, &type, (PBYTE)package_dir, &size);
 284     }
 285     RegCloseKey(hkey);
 286     if(res == ERROR_FILE_NOT_FOUND) {
 287         heap_free(package_dir);
 288         return INSTALL_NEXT;
 289     } else if(res != ERROR_SUCCESS || (type != REG_SZ && type != REG_EXPAND_SZ)) {
 290         heap_free(package_dir);
 291         return INSTALL_FAILED;
 292     }
 293
 294     TRACE("Trying %s/%s\n", debugstr_a(package_dir), debugstr_a(addon->file_name));
 295
 296     ret = install_from_unix_file(package_dir, "", addon->file_name);
 297
 298     heap_free(package_dir);
 299     return ret;
 300 }
 301
 302 static enum install_res install_from_default_dir(void)
 303 {
 304     const char *data_dir, *package_dir;
 305     char *dir_buf = NULL;
 306     int len;
 307     enum install_res ret;
 308
 309     if((data_dir = wine_get_data_dir())) {
 310         package_dir = data_dir;
 311     }else if((data_dir = wine_get_build_dir())) {
 312         len = strlen(data_dir);
 313         dir_buf = heap_alloc(len + sizeof("/../"));
 314         memcpy(dir_buf, data_dir, len);
 315         strcpy(dir_buf+len, "/../");
 316         package_dir = dir_buf;
 317     }else {
 318         return INSTALL_NEXT;
 319     }
 320
 321     ret = install_from_unix_file(package_dir, addon->subdir_name, addon->file_name);
 322     heap_free(dir_buf);
 323
 324     if (ret == INSTALL_NEXT)
 325         ret = install_from_unix_file(INSTALL_DATADIR "/wine/", addon->subdir_name, addon->file_name);
 326     if (ret == INSTALL_NEXT && strcmp(INSTALL_DATADIR, "/usr/share"))
 327         ret = install_from_unix_file("/usr/share/wine/", addon->subdir_name, addon->file_name);
 328     return ret;
 329 }
 330
 331 static WCHAR *get_cache_file_name(BOOL ensure_exists)
 332 {
 333     const char *home_dir = NULL, *xdg_cache_dir;
 334     size_t len, size = strlen(addon->file_name) + 7; /* strlen("/wine/"), '\0' */
 335     char *cache_file_name;
 336     WCHAR *ret;
 337
 338     /* non-Wine (eg. Windows) cache is currently not supported */
 339     if(!p_wine_get_dos_file_name)
 340         return NULL;
 341
 342     xdg_cache_dir = getenv("XDG_CACHE_HOME");
 343     if(xdg_cache_dir && *xdg_cache_dir) {
 344         size += strlen(xdg_cache_dir);
 345     }else {
 346         home_dir = getenv("HOME");
 347         if(!home_dir)
 348             return NULL;
 349
 350         size += strlen(home_dir) + 8; /* strlen("/.cache/") */
 351     }
 352
 353     cache_file_name = heap_alloc(size);
 354     if(!cache_file_name)
 355         return NULL;
 356
 357     if(xdg_cache_dir && *xdg_cache_dir) {
 358         len = strlen(xdg_cache_dir);
 359         if(len > 1 && xdg_cache_dir[len-1] == '/')
 360             len--;
 361         memcpy(cache_file_name, xdg_cache_dir, len);
 362         cache_file_name[len] = 0;
 363     }else {
 364         len = strlen(home_dir);
 365         memcpy(cache_file_name, home_dir, len);
 366         strcpy(cache_file_name+len, "/.cache");
 367         len += 7;
 368     }
 369
 370     if(ensure_exists && mkdir(cache_file_name, 0777) && errno != EEXIST) {
 371         WARN("%s does not exist and could not be created: %s\n", cache_file_name, strerror(errno));
 372         heap_free(cache_file_name);
 373         return NULL;
 374     }
 375
 376     strcpy(cache_file_name+len, "/wine");
 377     len += 5;
 378
 379     if(ensure_exists && mkdir(cache_file_name, 0777) && errno != EEXIST) {
 380         WARN("%s does not exist and could not be created: %s\n", cache_file_name, strerror(errno));
 381         return NULL;
 382     }
 383
 384     cache_file_name[len++] = '/';
 385     strcpy(cache_file_name+len, addon->file_name);
 386     ret = p_wine_get_dos_file_name(cache_file_name);
 387
 388     TRACE("%s -> %s\n", cache_file_name, debugstr_w(ret));
 389
 390     heap_free(cache_file_name);
 391     return ret;
 392 }
 393
 394 static enum install_res install_from_cache(void)
 395 {
 396     WCHAR *cache_file_name;
 397     enum install_res res;
 398
 399     cache_file_name = get_cache_file_name(FALSE);
 400     if(!cache_file_name)
 401         return INSTALL_NEXT;
 402
 403     if(!sha_check(cache_file_name)) {
 404         WARN("could not validate checksum\n");
 405         DeleteFileW(cache_file_name);
 406         heap_free(cache_file_name);
 407         return INSTALL_NEXT;
 408     }
 409
 410     res = install_file(cache_file_name);
 411     heap_free(cache_file_name);
 412     return res;
 413 }
 414
 415 static IInternetBindInfo InstallCallbackBindInfo;
 416
 417 static HRESULT WINAPI InstallCallback_QueryInterface(IBindStatusCallback *iface,
 418         REFIID riid, void **ppv)
 419 {
 420     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IBindStatusCallback, riid)) {
 421         *ppv = iface;
 422         return S_OK;
 423     }
 424
 425     if(IsEqualGUID(&IID_IInternetBindInfo, riid)) {
 426         TRACE("IID_IInternetBindInfo\n");
 427         *ppv = &InstallCallbackBindInfo;
 428         return S_OK;
 429     }
 430
 431     return E_INVALIDARG;
 432 }
 433
 434 static ULONG WINAPI InstallCallback_AddRef(IBindStatusCallback *iface)
 435 {
 436     return 2;
 437 }
 438
 439 static ULONG WINAPI InstallCallback_Release(IBindStatusCallback *iface)
 440 {
 441     return 1;
 442 }
 443
 444 static HRESULT WINAPI InstallCallback_OnStartBinding(IBindStatusCallback *iface,
 445         DWORD dwReserved, IBinding *pib)
 446 {
 447     set_status(IDS_DOWNLOADING);
 448
 449     IBinding_AddRef(pib);
 450     dwl_binding = pib;
 451
 452     return S_OK;
 453 }
 454
 455 static HRESULT WINAPI InstallCallback_GetPriority(IBindStatusCallback *iface,
 456         LONG *pnPriority)
 457 {
 458     return E_NOTIMPL;
 459 }
 460
 461 static HRESULT WINAPI InstallCallback_OnLowResource(IBindStatusCallback *iface,
 462        DWORD dwReserved)
 463 {
 464     return E_NOTIMPL;
 465 }
 466
 467 static HRESULT WINAPI InstallCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 468         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 469 {
 470     HWND progress = GetDlgItem(install_dialog, ID_DWL_PROGRESS);
 471
 472     if(ulProgressMax)
 473         SendMessageW(progress, PBM_SETRANGE32, 0, ulProgressMax);
 474     if(ulProgress)
 475         SendMessageW(progress, PBM_SETPOS, ulProgress, 0);
 476
 477     return S_OK;
 478 }
 479
 480 static HRESULT WINAPI InstallCallback_OnStopBinding(IBindStatusCallback *iface,
 481         HRESULT hresult, LPCWSTR szError)
 482 {
 483     if(dwl_binding) {
 484         IBinding_Release(dwl_binding);
 485         dwl_binding = NULL;
 486     }
 487
 488     if(FAILED(hresult)) {
 489         if(hresult == E_ABORT)
 490             TRACE("Binding aborted\n");
 491         else
 492             ERR("Binding failed %08x\n", hresult);
 493         return S_OK;
 494     }
 495
 496     if(!msi_file) {
 497         ERR("No MSI file\n");
 498         return E_FAIL;
 499     }
 500
 501     set_status(IDS_INSTALLING);
 502     EnableWindow(GetDlgItem(install_dialog, IDCANCEL), 0);
 503
 504     if(sha_check(msi_file)) {
 505         WCHAR *cache_file_name;
 506
 507         install_file(msi_file);
 508
 509         cache_file_name = get_cache_file_name(TRUE);
 510         if(cache_file_name) {
 511             MoveFileW(msi_file, cache_file_name);
 512             heap_free(cache_file_name);
 513         }
 514     }else {
 515         WCHAR message[256];
 516
 517         if(LoadStringW(hInst, IDS_INVALID_SHA, message, sizeof(message)/sizeof(WCHAR)))
 518             MessageBoxW(NULL, message, NULL, MB_ICONERROR);
 519     }
 520
 521     DeleteFileW(msi_file);
 522     heap_free(msi_file);
 523     msi_file = NULL;
 524
 525     EndDialog(install_dialog, 0);
 526     return S_OK;
 527 }
 528
 529 static HRESULT WINAPI InstallCallback_GetBindInfo(IBindStatusCallback *iface,
 530         DWORD* grfBINDF, BINDINFO* pbindinfo)
 531 {
 532     TRACE("()\n");
 533
 534     *grfBINDF = BINDF_ASYNCHRONOUS;
 535     return S_OK;
 536 }
 537
 538 static HRESULT WINAPI InstallCallback_OnDataAvailable(IBindStatusCallback *iface, DWORD grfBSCF,
 539         DWORD dwSize, FORMATETC* pformatetc, STGMEDIUM* pstgmed)
 540 {
 541     if(!msi_file) {
 542         msi_file = heap_strdupW(pstgmed->u.lpszFileName);
 543         TRACE("got file name %s\n", debugstr_w(msi_file));
 544     }
 545
 546     return S_OK;
 547 }
 548
 549 static HRESULT WINAPI InstallCallback_OnObjectAvailable(IBindStatusCallback *iface,
 550         REFIID riid, IUnknown* punk)
 551 {
 552     ERR("\n");
 553     return E_NOTIMPL;
 554 }
 555
 556 static const IBindStatusCallbackVtbl InstallCallbackVtbl = {
 557     InstallCallback_QueryInterface,
 558     InstallCallback_AddRef,
 559     InstallCallback_Release,
 560     InstallCallback_OnStartBinding,
 561     InstallCallback_GetPriority,
 562     InstallCallback_OnLowResource,
 563     InstallCallback_OnProgress,
 564     InstallCallback_OnStopBinding,
 565     InstallCallback_GetBindInfo,
 566     InstallCallback_OnDataAvailable,
 567     InstallCallback_OnObjectAvailable
 568 };
 569
 570 static IBindStatusCallback InstallCallback = { &InstallCallbackVtbl };
 571
 572 static HRESULT WINAPI InstallCallbackBindInfo_QueryInterface(IInternetBindInfo *iface, REFIID riid, void **ppv)
 573 {
 574     return IBindStatusCallback_QueryInterface(&InstallCallback, riid, ppv);
 575 }
 576
 577 static ULONG WINAPI InstallCallbackBindInfo_AddRef(IInternetBindInfo *iface)
 578 {
 579     return 2;
 580 }
 581
 582 static ULONG WINAPI InstallCallbackBindInfo_Release(IInternetBindInfo *iface)
 583 {
 584     return 1;
 585 }
 586
 587 static HRESULT WINAPI InstallCallbackBindInfo_GetBindInfo(IInternetBindInfo *iface, DWORD *bindf, BINDINFO *bindinfo)
 588 {
 589     ERR("\n");
 590     return E_NOTIMPL;
 591 }
 592
 593 static HRESULT WINAPI InstallCallbackBindInfo_GetBindString(IInternetBindInfo *iface, ULONG string_type,
 594         WCHAR **strs, ULONG cnt, ULONG *fetched)
 595 {
 596     static const WCHAR wine_addon_downloaderW[] =
 597         {'W','i','n','e',' ','A','d','d','o','n',' ','D','o','w','n','l','o','a','d','e','r',0};
 598
 599     switch(string_type) {
 600     case BINDSTRING_USER_AGENT:
 601         TRACE("BINDSTRING_USER_AGENT\n");
 602
 603         *strs = CoTaskMemAlloc(sizeof(wine_addon_downloaderW));
 604         if(!*strs)
 605             return E_OUTOFMEMORY;
 606
 607         memcpy(*strs, wine_addon_downloaderW, sizeof(wine_addon_downloaderW));
 608         *fetched = 1;
 609         return S_OK;
 610     }
 611
 612     return E_NOTIMPL;
 613 }
 614
 615 static const IInternetBindInfoVtbl InstallCallbackBindInfoVtbl = {
 616     InstallCallbackBindInfo_QueryInterface,
 617     InstallCallbackBindInfo_AddRef,
 618     InstallCallbackBindInfo_Release,
 619     InstallCallbackBindInfo_GetBindInfo,
 620     InstallCallbackBindInfo_GetBindString
 621 };
 622
 623 static IInternetBindInfo InstallCallbackBindInfo = { &InstallCallbackBindInfoVtbl };
 624
 625 static void append_url_params( WCHAR *url )
 626 {
 627     static const WCHAR arch_formatW[] = {'?','a','r','c','h','='};
 628     static const WCHAR v_formatW[] = {'&','v','='};
 629     static const WCHAR winevW[] = {'&','w','i','n','e','v','='};
 630     DWORD size = INTERNET_MAX_URL_LENGTH * sizeof(WCHAR);
 631     DWORD len = strlenW(url);
 632
 633     memcpy(url+len, arch_formatW, sizeof(arch_formatW));
 634     len += sizeof(arch_formatW)/sizeof(WCHAR);
 635     len += MultiByteToWideChar(CP_ACP, 0, ARCH_STRING, sizeof(ARCH_STRING),
 636                                url+len, size/sizeof(WCHAR)-len)-1;
 637     memcpy(url+len, v_formatW, sizeof(v_formatW));
 638     len += sizeof(v_formatW)/sizeof(WCHAR);
 639     len += MultiByteToWideChar(CP_ACP, 0, addon->version, -1, url+len, size/sizeof(WCHAR)-len)-1;
 640     memcpy(url+len, winevW, sizeof(winevW));
 641     len += sizeof(winevW)/sizeof(WCHAR);
 642     MultiByteToWideChar(CP_ACP, 0, PACKAGE_VERSION, -1, url+len, size/sizeof(WCHAR)-len);
 643 }
 644
 645 static LPWSTR get_url(void)
 646 {
 647     DWORD size = INTERNET_MAX_URL_LENGTH*sizeof(WCHAR);
 648     WCHAR *url, *config_key;
 649     HKEY hkey;
 650     DWORD res, type;
 651     DWORD returned_size;
 652
 653     static const WCHAR httpW[] = {'h','t','t','p'};
 654
 655     url = heap_alloc(size);
 656     returned_size = size;
 657
 658     hkey = open_config_key();
 659     if (hkey)
 660     {
 661         config_key = heap_strdupAtoW(addon->url_config_key);
 662         res = RegQueryValueExW(hkey, config_key, NULL, &type, (LPBYTE)url, &returned_size);
 663         heap_free(config_key);
 664         RegCloseKey(hkey);
 665         if(res == ERROR_SUCCESS && type == REG_SZ) goto found;
 666     }
 667
 668     MultiByteToWideChar( CP_ACP, 0, addon->url_default, -1, url, size / sizeof(WCHAR) );
 669
 670 found:
 671     if (returned_size > sizeof(httpW) && !memcmp(url, httpW, sizeof(httpW))) append_url_params( url );
 672
 673     TRACE("Got URL %s\n", debugstr_w(url));
 674     return url;
 675 }
 676
 677 static BOOL start_download(void)
 678 {
 679     IBindCtx *bind_ctx;
 680     IMoniker *mon;
 681     IUnknown *tmp;
 682     HRESULT hres;
 683
 684     hres = CreateURLMoniker(NULL, url, &mon);
 685     if(FAILED(hres))
 686         return FALSE;
 687
 688     hres = CreateAsyncBindCtx(0, &InstallCallback, NULL, &bind_ctx);
 689     if(SUCCEEDED(hres)) {
 690         hres = IMoniker_BindToStorage(mon, bind_ctx, NULL, &IID_IUnknown, (void**)&tmp);
 691         IBindCtx_Release(bind_ctx);
 692     }
 693     IMoniker_Release(mon);
 694     if(FAILED(hres))
 695         return FALSE;
 696
 697     if(tmp)
 698         IUnknown_Release(tmp);
 699     return TRUE;
 700 }
 701
 702 static void run_winebrowser(const WCHAR *url)
 703 {
 704     PROCESS_INFORMATION pi;
 705     STARTUPINFOW si;
 706     WCHAR app[MAX_PATH];
 707     LONG len, url_len;
 708     WCHAR *args;
 709     BOOL ret;
 710
 711     static const WCHAR winebrowserW[] = {'\\','w','i','n','e','b','r','o','w','s','e','r','.','e','x','e',0};
 712
 713     url_len = strlenW(url);
 714
 715     len = GetSystemDirectoryW(app, MAX_PATH-sizeof(winebrowserW)/sizeof(WCHAR));
 716     memcpy(app+len, winebrowserW, sizeof(winebrowserW));
 717     len += sizeof(winebrowserW)/sizeof(WCHAR) -1;
 718
 719     args = heap_alloc((len+1+url_len)*sizeof(WCHAR));
 720     if(!args)
 721         return;
 722
 723     memcpy(args, app, len*sizeof(WCHAR));
 724     args[len++] = ' ';
 725     memcpy(args+len, url, (url_len+1) * sizeof(WCHAR));
 726
 727     TRACE("starting %s\n", debugstr_w(args));
 728
 729     memset(&si, 0, sizeof(si));
 730     si.cb = sizeof(si);
 731     ret = CreateProcessW(app, args, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi);
 732     heap_free(args);
 733     if (ret) {
 734         CloseHandle(pi.hThread);
 735         CloseHandle(pi.hProcess);
 736     }
 737 }
 738
 739 static INT_PTR CALLBACK installer_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 740 {
 741     switch(msg) {
 742     case WM_INITDIALOG:
 743         ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_HIDE);
 744         install_dialog = hwnd;
 745         return TRUE;
 746
 747     case WM_NOTIFY:
 748         switch (((NMHDR *)lParam)->code)
 749         {
 750         case NM_CLICK:
 751         case NM_RETURN:
 752             if (wParam == ID_DWL_STATUS)
 753                 run_winebrowser(((NMLINK*)lParam)->item.szUrl);
 754             break;
 755         }
 756         break;
 757
 758     case WM_COMMAND:
 759         switch(wParam) {
 760         case IDCANCEL:
 761             if(dwl_binding)
 762                 IBinding_Abort(dwl_binding);
 763             EndDialog(hwnd, 0);
 764             return FALSE;
 765
 766         case ID_DWL_INSTALL:
 767             ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_SHOW);
 768             EnableWindow(GetDlgItem(hwnd, ID_DWL_INSTALL), 0);
 769             if(!start_download())
 770                 EndDialog(install_dialog, 0);
 771         }
 772     }
 773
 774     return FALSE;
 775 }
 776
 777 BOOL install_addon(addon_t addon_type)
 778 {
 779     if(!*ARCH_STRING)
 780         return FALSE;
 781
 782     addon = addons_info+addon_type;
 783
 784     p_wine_get_dos_file_name = (void*)GetProcAddress(GetModuleHandleW(kernel32_dllW), "wine_get_dos_file_name");
 785
 786     /*
 787      * Try to find addon .msi file in following order:
 788      * - directory stored in $dir_config_key value of HKCU/Software/Wine/$config_key key
 789      * - $datadir/$addon_subdir/
 790      * - $INSTALL_DATADIR/wine/$addon_subdir/
 791      * - /usr/share/wine/$addon_subdir/
 792      * - download from URL stored in $url_config_key value of HKCU/Software/Wine/$config_key key
 793      */
 794     if (install_from_registered_dir() == INSTALL_NEXT
 795         && install_from_default_dir() == INSTALL_NEXT
 796         && install_from_cache() == INSTALL_NEXT
 797         && (url = get_url()))
 798         DialogBoxW(hInst, addon->dialog_template, 0, installer_proc);
 799
 800     heap_free(url);
 801     url = NULL;
 802     return TRUE;
 803 }