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
  46 #include "appwiz.h"
  47 #include "res.h"
  48
  49 #include "wine/debug.h"
  50 #include "wine/library.h"
  51
  52 WINE_DEFAULT_DEBUG_CHANNEL(appwizcpl);
  53
  54 #define GECKO_VERSION "2.36"
  55
  56 #ifdef __i386__
  57 #define ARCH_STRING "x86"
  58 #define GECKO_SHA "08b02bf0e3ff3a315135afa1132ddb3a25a63e15"
  59 #elif defined(__x86_64__)
  60 #define ARCH_STRING "x86_64"
  61 #define GECKO_SHA "a7624eb685d04c4ef1f4f093095a5a324808d57c"
  62 #else
  63 #define ARCH_STRING ""
  64 #define GECKO_SHA "???"
  65 #endif
  66
  67 #define MONO_VERSION "4.5.6"
  68 #define MONO_SHA "12ec9a4fa5958426292effd40d9230c7acbba1e8"
  69
  70 typedef struct {
  71     const char *version;
  72     const char *file_name;
  73     const char *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 static const addon_info_t addons_info[] = {
  83     {
  84         GECKO_VERSION,
  85         "wine_gecko-" GECKO_VERSION "-" ARCH_STRING ".msi",
  86         "gecko",
  87         GECKO_SHA,
  88         "http://source.winehq.org/winegecko.php",
  89         "MSHTML", "GeckoUrl", "GeckoCabDir",
  90         MAKEINTRESOURCEW(ID_DWL_GECKO_DIALOG)
  91     },
  92     {
  93         MONO_VERSION,
  94         "wine-mono-" MONO_VERSION ".msi",
  95         "mono",
  96         MONO_SHA,
  97         "http://source.winehq.org/winemono.php",
  98         "Dotnet", "MonoUrl", "MonoCabDir",
  99         MAKEINTRESOURCEW(ID_DWL_MONO_DIALOG)
 100     }
 101 };
 102
 103 static const addon_info_t *addon;
 104
 105 static HWND install_dialog = NULL;
 106 static LPWSTR url = NULL;
 107 static IBinding *dwl_binding;
 108 static WCHAR *msi_file;
 109
 110 static WCHAR * (CDECL *p_wine_get_dos_file_name)(const char*);
 111 static const WCHAR kernel32_dllW[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
 112
 113
 114 /* SHA definitions are copied from advapi32. They aren't available in headers. */
 115
 116 typedef struct {
 117    ULONG Unknown[6];
 118    ULONG State[5];
 119    ULONG Count[2];
 120    UCHAR Buffer[64];
 121 } SHA_CTX, *PSHA_CTX;
 122
 123 void WINAPI A_SHAInit(PSHA_CTX);
 124 void WINAPI A_SHAUpdate(PSHA_CTX,const unsigned char*,UINT);
 125 void WINAPI A_SHAFinal(PSHA_CTX,PULONG);
 126
 127 static BOOL sha_check(const WCHAR *file_name)
 128 {
 129     const unsigned char *file_map;
 130     HANDLE file, map;
 131     ULONG sha[5];
 132     char buf[2*sizeof(sha)+1];
 133     SHA_CTX ctx;
 134     DWORD size, i;
 135
 136     file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL);
 137     if(file == INVALID_HANDLE_VALUE) {
 138         WARN("Could not open file: %u\n", GetLastError());
 139         return FALSE;
 140     }
 141
 142     size = GetFileSize(file, NULL);
 143
 144     map = CreateFileMappingW(file, NULL, PAGE_READONLY, 0, 0, NULL);
 145     CloseHandle(file);
 146     if(!map)
 147         return FALSE;
 148
 149     file_map = MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0);
 150     CloseHandle(map);
 151     if(!file_map)
 152         return FALSE;
 153
 154     A_SHAInit(&ctx);
 155     A_SHAUpdate(&ctx, file_map, size);
 156     A_SHAFinal(&ctx, sha);
 157
 158     UnmapViewOfFile(file_map);
 159
 160     for(i=0; i < sizeof(sha); i++)
 161         sprintf(buf + i*2, "%02x", *((unsigned char*)sha+i));
 162
 163     if(strcmp(buf, addon->sha)) {
 164         WARN("Got %s, expected %s\n", buf, addon->sha);
 165         return FALSE;
 166     }
 167
 168     return TRUE;
 169 }
 170
 171 static void set_status(DWORD id)
 172 {
 173     HWND status = GetDlgItem(install_dialog, ID_DWL_STATUS);
 174     WCHAR buf[64];
 175
 176     LoadStringW(hInst, id, buf, sizeof(buf)/sizeof(WCHAR));
 177     SendMessageW(status, WM_SETTEXT, 0, (LPARAM)buf);
 178 }
 179
 180 enum install_res {
 181     INSTALL_OK = 0,
 182     INSTALL_FAILED,
 183     INSTALL_NEXT,
 184 };
 185
 186 static enum install_res install_file(const WCHAR *file_name)
 187 {
 188     ULONG res;
 189
 190     res = MsiInstallProductW(file_name, NULL);
 191     if(res != ERROR_SUCCESS) {
 192         ERR("MsiInstallProduct failed: %u\n", res);
 193         return INSTALL_FAILED;
 194     }
 195
 196     return INSTALL_OK;
 197 }
 198
 199 static enum install_res install_from_unix_file(const char *dir, const char *subdir, const char *file_name)
 200 {
 201     LPWSTR dos_file_name;
 202     char *file_path;
 203     int fd, len;
 204     enum install_res ret;
 205
 206     len = strlen(dir);
 207     file_path = heap_alloc(len+strlen(subdir)+strlen(file_name)+3);
 208     if(!file_path)
 209         return INSTALL_FAILED;
 210
 211     memcpy(file_path, dir, len);
 212     if(len && file_path[len-1] != '/' && file_path[len-1] != '\\')
 213         file_path[len++] = '/';
 214     if(*subdir) {
 215         strcpy(file_path+len, subdir);
 216         len += strlen(subdir);
 217         file_path[len++] = '/';
 218     }
 219     strcpy(file_path+len, file_name);
 220
 221     fd = open(file_path, O_RDONLY);
 222     if(fd == -1) {
 223         TRACE("%s not found\n", debugstr_a(file_path));
 224         heap_free(file_path);
 225         return INSTALL_NEXT;
 226     }
 227
 228     close(fd);
 229
 230     if(p_wine_get_dos_file_name) { /* Wine UNIX mode */
 231         dos_file_name = p_wine_get_dos_file_name(file_path);
 232         if(!dos_file_name) {
 233             ERR("Could not get dos file name of %s\n", debugstr_a(file_path));
 234             heap_free(file_path);
 235             return INSTALL_FAILED;
 236         }
 237     } else { /* Windows mode */
 238         UINT res;
 239         WARN("Could not get wine_get_dos_file_name function, calling install_cab directly.\n");
 240         res = MultiByteToWideChar( CP_ACP, 0, file_path, -1, 0, 0);
 241         dos_file_name = heap_alloc (res*sizeof(WCHAR));
 242         MultiByteToWideChar( CP_ACP, 0, file_path, -1, dos_file_name, res);
 243     }
 244
 245     heap_free(file_path);
 246
 247     ret = install_file(dos_file_name);
 248
 249     heap_free(dos_file_name);
 250     return ret;
 251 }
 252
 253 static HKEY open_config_key(void)
 254 {
 255     HKEY hkey, ret;
 256     DWORD res;
 257
 258     static const WCHAR wine_keyW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e',0};
 259
 260     /* @@ Wine registry key: HKCU\Software\Wine\$config_key */
 261     res = RegOpenKeyW(HKEY_CURRENT_USER, wine_keyW, &hkey);
 262     if(res != ERROR_SUCCESS)
 263         return NULL;
 264
 265     res = RegOpenKeyA(hkey, addon->config_key, &ret);
 266     RegCloseKey(hkey);
 267     return res == ERROR_SUCCESS ? ret : NULL;
 268 }
 269
 270 static enum install_res install_from_registered_dir(void)
 271 {
 272     char *package_dir;
 273     HKEY hkey;
 274     DWORD res, type, size = MAX_PATH;
 275     enum install_res ret;
 276
 277     hkey = open_config_key();
 278     if(!hkey)
 279         return INSTALL_NEXT;
 280
 281     package_dir = heap_alloc(size);
 282     res = RegGetValueA(hkey, NULL, addon->dir_config_key, RRF_RT_ANY, &type, (PBYTE)package_dir, &size);
 283     if(res == ERROR_MORE_DATA) {
 284         package_dir = heap_realloc(package_dir, size);
 285         res = RegGetValueA(hkey, NULL, addon->dir_config_key, RRF_RT_ANY, &type, (PBYTE)package_dir, &size);
 286     }
 287     RegCloseKey(hkey);
 288     if(res == ERROR_FILE_NOT_FOUND) {
 289         heap_free(package_dir);
 290         return INSTALL_NEXT;
 291     } else if(res != ERROR_SUCCESS || (type != REG_SZ && type != REG_EXPAND_SZ)) {
 292         heap_free(package_dir);
 293         return INSTALL_FAILED;
 294     }
 295
 296     TRACE("Trying %s/%s\n", debugstr_a(package_dir), debugstr_a(addon->file_name));
 297
 298     ret = install_from_unix_file(package_dir, "", addon->file_name);
 299
 300     heap_free(package_dir);
 301     return ret;
 302 }
 303
 304 static enum install_res install_from_default_dir(void)
 305 {
 306     const char *data_dir, *package_dir;
 307     char *dir_buf = NULL;
 308     int len;
 309     enum install_res ret;
 310
 311     if((data_dir = wine_get_data_dir())) {
 312         package_dir = data_dir;
 313     }else if((data_dir = wine_get_build_dir())) {
 314         len = strlen(data_dir);
 315         dir_buf = heap_alloc(len + sizeof("/../"));
 316         memcpy(dir_buf, data_dir, len);
 317         strcpy(dir_buf+len, "/../");
 318         package_dir = dir_buf;
 319     }else {
 320         return INSTALL_NEXT;
 321     }
 322
 323     ret = install_from_unix_file(package_dir, addon->subdir_name, addon->file_name);
 324     heap_free(dir_buf);
 325
 326     if (ret == INSTALL_NEXT)
 327         ret = install_from_unix_file(INSTALL_DATADIR "/wine/", addon->subdir_name, addon->file_name);
 328     if (ret == INSTALL_NEXT && strcmp(INSTALL_DATADIR, "/usr/share"))
 329         ret = install_from_unix_file("/usr/share/wine/", addon->subdir_name, addon->file_name);
 330     return ret;
 331 }
 332
 333 static WCHAR *get_cache_file_name(BOOL ensure_exists)
 334 {
 335     const char *home_dir = NULL, *xdg_cache_dir;
 336     size_t len, size = strlen(addon->file_name) + 7; /* strlen("/wine/"), '\0' */
 337     char *cache_file_name;
 338     WCHAR *ret;
 339
 340     /* non-Wine (eg. Windows) cache is currently not supported */
 341     if(!p_wine_get_dos_file_name)
 342         return NULL;
 343
 344     xdg_cache_dir = getenv("XDG_CACHE_HOME");
 345     if(xdg_cache_dir && *xdg_cache_dir) {
 346         size += strlen(xdg_cache_dir);
 347     }else {
 348         home_dir = getenv("HOME");
 349         if(!home_dir)
 350             return NULL;
 351
 352         size += strlen(home_dir) + 8; /* strlen("/.cache/") */
 353     }
 354
 355     cache_file_name = heap_alloc(size);
 356     if(!cache_file_name)
 357         return NULL;
 358
 359     if(xdg_cache_dir && *xdg_cache_dir) {
 360         len = strlen(xdg_cache_dir);
 361         if(len > 1 && xdg_cache_dir[len-1] == '/')
 362             len--;
 363         memcpy(cache_file_name, xdg_cache_dir, len);
 364         cache_file_name[len] = 0;
 365     }else {
 366         len = strlen(home_dir);
 367         memcpy(cache_file_name, home_dir, len);
 368         strcpy(cache_file_name+len, "/.cache");
 369         len += 7;
 370     }
 371
 372     if(ensure_exists && mkdir(cache_file_name, 0777) && errno != EEXIST) {
 373         WARN("%s does not exist and could not be created: %s\n", cache_file_name, strerror(errno));
 374         heap_free(cache_file_name);
 375         return NULL;
 376     }
 377
 378     strcpy(cache_file_name+len, "/wine");
 379     len += 5;
 380
 381     if(ensure_exists && mkdir(cache_file_name, 0777) && errno != EEXIST) {
 382         WARN("%s does not exist and could not be created: %s\n", cache_file_name, strerror(errno));
 383         return NULL;
 384     }
 385
 386     cache_file_name[len++] = '/';
 387     strcpy(cache_file_name+len, addon->file_name);
 388     ret = p_wine_get_dos_file_name(cache_file_name);
 389
 390     TRACE("%s -> %s\n", cache_file_name, debugstr_w(ret));
 391
 392     heap_free(cache_file_name);
 393     return ret;
 394 }
 395
 396 static enum install_res install_from_cache(void)
 397 {
 398     WCHAR *cache_file_name;
 399     enum install_res res;
 400
 401     cache_file_name = get_cache_file_name(FALSE);
 402     if(!cache_file_name)
 403         return INSTALL_NEXT;
 404
 405     if(!sha_check(cache_file_name)) {
 406         WARN("could not validate check sum\n");
 407         DeleteFileW(cache_file_name);
 408         heap_free(cache_file_name);
 409         return INSTALL_NEXT;
 410     }
 411
 412     res = install_file(cache_file_name);
 413     heap_free(cache_file_name);
 414     return res;
 415 }
 416
 417 static IInternetBindInfo InstallCallbackBindInfo;
 418
 419 static HRESULT WINAPI InstallCallback_QueryInterface(IBindStatusCallback *iface,
 420         REFIID riid, void **ppv)
 421 {
 422     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IBindStatusCallback, riid)) {
 423         *ppv = iface;
 424         return S_OK;
 425     }
 426
 427     if(IsEqualGUID(&IID_IInternetBindInfo, riid)) {
 428         TRACE("IID_IInternetBindInfo\n");
 429         *ppv = &InstallCallbackBindInfo;
 430         return S_OK;
 431     }
 432
 433     return E_INVALIDARG;
 434 }
 435
 436 static ULONG WINAPI InstallCallback_AddRef(IBindStatusCallback *iface)
 437 {
 438     return 2;
 439 }
 440
 441 static ULONG WINAPI InstallCallback_Release(IBindStatusCallback *iface)
 442 {
 443     return 1;
 444 }
 445
 446 static HRESULT WINAPI InstallCallback_OnStartBinding(IBindStatusCallback *iface,
 447         DWORD dwReserved, IBinding *pib)
 448 {
 449     set_status(IDS_DOWNLOADING);
 450
 451     IBinding_AddRef(pib);
 452     dwl_binding = pib;
 453
 454     return S_OK;
 455 }
 456
 457 static HRESULT WINAPI InstallCallback_GetPriority(IBindStatusCallback *iface,
 458         LONG *pnPriority)
 459 {
 460     return E_NOTIMPL;
 461 }
 462
 463 static HRESULT WINAPI InstallCallback_OnLowResource(IBindStatusCallback *iface,
 464        DWORD dwReserved)
 465 {
 466     return E_NOTIMPL;
 467 }
 468
 469 static HRESULT WINAPI InstallCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 470         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 471 {
 472     HWND progress = GetDlgItem(install_dialog, ID_DWL_PROGRESS);
 473
 474     if(ulProgressMax)
 475         SendMessageW(progress, PBM_SETRANGE32, 0, ulProgressMax);
 476     if(ulProgress)
 477         SendMessageW(progress, PBM_SETPOS, ulProgress, 0);
 478
 479     return S_OK;
 480 }
 481
 482 static HRESULT WINAPI InstallCallback_OnStopBinding(IBindStatusCallback *iface,
 483         HRESULT hresult, LPCWSTR szError)
 484 {
 485     if(dwl_binding) {
 486         IBinding_Release(dwl_binding);
 487         dwl_binding = NULL;
 488     }
 489
 490     if(FAILED(hresult)) {
 491         if(hresult == E_ABORT)
 492             TRACE("Binding aborted\n");
 493         else
 494             ERR("Binding failed %08x\n", hresult);
 495         return S_OK;
 496     }
 497
 498     if(!msi_file) {
 499         ERR("No MSI file\n");
 500         return E_FAIL;
 501     }
 502
 503     set_status(IDS_INSTALLING);
 504     EnableWindow(GetDlgItem(install_dialog, IDCANCEL), 0);
 505
 506     if(sha_check(msi_file)) {
 507         WCHAR *cache_file_name;
 508
 509         install_file(msi_file);
 510
 511         cache_file_name = get_cache_file_name(TRUE);
 512         if(cache_file_name) {
 513             MoveFileW(msi_file, cache_file_name);
 514             heap_free(cache_file_name);
 515         }
 516     }else {
 517         WCHAR message[256];
 518
 519         if(LoadStringW(hInst, IDS_INVALID_SHA, message, sizeof(message)/sizeof(WCHAR)))
 520             MessageBoxW(NULL, message, NULL, MB_ICONERROR);
 521     }
 522
 523     DeleteFileW(msi_file);
 524     heap_free(msi_file);
 525     msi_file = NULL;
 526
 527     EndDialog(install_dialog, 0);
 528     return S_OK;
 529 }
 530
 531 static HRESULT WINAPI InstallCallback_GetBindInfo(IBindStatusCallback *iface,
 532         DWORD* grfBINDF, BINDINFO* pbindinfo)
 533 {
 534     TRACE("()\n");
 535
 536     *grfBINDF = BINDF_ASYNCHRONOUS;
 537     return S_OK;
 538 }
 539
 540 static HRESULT WINAPI InstallCallback_OnDataAvailable(IBindStatusCallback *iface, DWORD grfBSCF,
 541         DWORD dwSize, FORMATETC* pformatetc, STGMEDIUM* pstgmed)
 542 {
 543     if(!msi_file) {
 544         msi_file = heap_strdupW(pstgmed->u.lpszFileName);
 545         TRACE("got file name %s\n", debugstr_w(msi_file));
 546     }
 547
 548     return S_OK;
 549 }
 550
 551 static HRESULT WINAPI InstallCallback_OnObjectAvailable(IBindStatusCallback *iface,
 552         REFIID riid, IUnknown* punk)
 553 {
 554     ERR("\n");
 555     return E_NOTIMPL;
 556 }
 557
 558 static const IBindStatusCallbackVtbl InstallCallbackVtbl = {
 559     InstallCallback_QueryInterface,
 560     InstallCallback_AddRef,
 561     InstallCallback_Release,
 562     InstallCallback_OnStartBinding,
 563     InstallCallback_GetPriority,
 564     InstallCallback_OnLowResource,
 565     InstallCallback_OnProgress,
 566     InstallCallback_OnStopBinding,
 567     InstallCallback_GetBindInfo,
 568     InstallCallback_OnDataAvailable,
 569     InstallCallback_OnObjectAvailable
 570 };
 571
 572 static IBindStatusCallback InstallCallback = { &InstallCallbackVtbl };
 573
 574 static HRESULT WINAPI InstallCallbackBindInfo_QueryInterface(IInternetBindInfo *iface, REFIID riid, void **ppv)
 575 {
 576     return IBindStatusCallback_QueryInterface(&InstallCallback, riid, ppv);
 577 }
 578
 579 static ULONG WINAPI InstallCallbackBindInfo_AddRef(IInternetBindInfo *iface)
 580 {
 581     return 2;
 582 }
 583
 584 static ULONG WINAPI InstallCallbackBindInfo_Release(IInternetBindInfo *iface)
 585 {
 586     return 1;
 587 }
 588
 589 static HRESULT WINAPI InstallCallbackBindInfo_GetBindInfo(IInternetBindInfo *iface, DWORD *bindf, BINDINFO *bindinfo)
 590 {
 591     ERR("\n");
 592     return E_NOTIMPL;
 593 }
 594
 595 static HRESULT WINAPI InstallCallbackBindInfo_GetBindString(IInternetBindInfo *iface, ULONG string_type,
 596         WCHAR **strs, ULONG cnt, ULONG *fetched)
 597 {
 598     static const WCHAR wine_addon_downloaderW[] =
 599         {'W','i','n','e',' ','A','d','d','o','n',' ','D','o','w','n','l','o','a','d','e','r',0};
 600
 601     switch(string_type) {
 602     case BINDSTRING_USER_AGENT:
 603         TRACE("BINDSTRING_USER_AGENT\n");
 604
 605         *strs = CoTaskMemAlloc(sizeof(wine_addon_downloaderW));
 606         if(!*strs)
 607             return E_OUTOFMEMORY;
 608
 609         memcpy(*strs, wine_addon_downloaderW, sizeof(wine_addon_downloaderW));
 610         *fetched = 1;
 611         return S_OK;
 612     }
 613
 614     return E_NOTIMPL;
 615 }
 616
 617 static const IInternetBindInfoVtbl InstallCallbackBindInfoVtbl = {
 618     InstallCallbackBindInfo_QueryInterface,
 619     InstallCallbackBindInfo_AddRef,
 620     InstallCallbackBindInfo_Release,
 621     InstallCallbackBindInfo_GetBindInfo,
 622     InstallCallbackBindInfo_GetBindString
 623 };
 624
 625 static IInternetBindInfo InstallCallbackBindInfo = { &InstallCallbackBindInfoVtbl };
 626
 627 static void append_url_params( WCHAR *url )
 628 {
 629     static const WCHAR arch_formatW[] = {'?','a','r','c','h','='};
 630     static const WCHAR v_formatW[] = {'&','v','='};
 631     static const WCHAR winevW[] = {'&','w','i','n','e','v','='};
 632     DWORD size = INTERNET_MAX_URL_LENGTH * sizeof(WCHAR);
 633     DWORD len = strlenW(url);
 634
 635     memcpy(url+len, arch_formatW, sizeof(arch_formatW));
 636     len += sizeof(arch_formatW)/sizeof(WCHAR);
 637     len += MultiByteToWideChar(CP_ACP, 0, ARCH_STRING, sizeof(ARCH_STRING),
 638                                url+len, size/sizeof(WCHAR)-len)-1;
 639     memcpy(url+len, v_formatW, sizeof(v_formatW));
 640     len += sizeof(v_formatW)/sizeof(WCHAR);
 641     len += MultiByteToWideChar(CP_ACP, 0, addon->version, -1, url+len, size/sizeof(WCHAR)-len)-1;
 642     memcpy(url+len, winevW, sizeof(winevW));
 643     len += sizeof(winevW)/sizeof(WCHAR);
 644     MultiByteToWideChar(CP_ACP, 0, PACKAGE_VERSION, -1, url+len, size/sizeof(WCHAR)-len);
 645 }
 646
 647 static LPWSTR get_url(void)
 648 {
 649     DWORD size = INTERNET_MAX_URL_LENGTH*sizeof(WCHAR);
 650     WCHAR *url, *config_key;
 651     HKEY hkey;
 652     DWORD res, type;
 653     DWORD returned_size;
 654
 655     static const WCHAR httpW[] = {'h','t','t','p'};
 656
 657     url = heap_alloc(size);
 658     returned_size = size;
 659
 660     hkey = open_config_key();
 661     if (hkey)
 662     {
 663         config_key = heap_strdupAtoW(addon->url_config_key);
 664         res = RegQueryValueExW(hkey, config_key, NULL, &type, (LPBYTE)url, &returned_size);
 665         heap_free(config_key);
 666         RegCloseKey(hkey);
 667         if(res == ERROR_SUCCESS && type == REG_SZ) goto found;
 668     }
 669
 670     MultiByteToWideChar( CP_ACP, 0, addon->url_default, -1, url, size / sizeof(WCHAR) );
 671
 672 found:
 673     if (returned_size > sizeof(httpW) && !memcmp(url, httpW, sizeof(httpW))) append_url_params( url );
 674
 675     TRACE("Got URL %s\n", debugstr_w(url));
 676     return url;
 677 }
 678
 679 static BOOL start_download(void)
 680 {
 681     IBindCtx *bind_ctx;
 682     IMoniker *mon;
 683     IUnknown *tmp;
 684     HRESULT hres;
 685
 686     hres = CreateURLMoniker(NULL, url, &mon);
 687     if(FAILED(hres))
 688         return FALSE;
 689
 690     hres = CreateAsyncBindCtx(0, &InstallCallback, NULL, &bind_ctx);
 691     if(SUCCEEDED(hres)) {
 692         hres = IMoniker_BindToStorage(mon, bind_ctx, NULL, &IID_IUnknown, (void**)&tmp);
 693         IBindCtx_Release(bind_ctx);
 694     }
 695     IMoniker_Release(mon);
 696     if(FAILED(hres))
 697         return FALSE;
 698
 699     if(tmp)
 700         IUnknown_Release(tmp);
 701     return TRUE;
 702 }
 703
 704 static void run_winebrowser(const WCHAR *url)
 705 {
 706     PROCESS_INFORMATION pi;
 707     STARTUPINFOW si;
 708     WCHAR app[MAX_PATH];
 709     LONG len, url_len;
 710     WCHAR *args;
 711     BOOL ret;
 712
 713     static const WCHAR winebrowserW[] = {'\\','w','i','n','e','b','r','o','w','s','e','r','.','e','x','e',0};
 714
 715     url_len = strlenW(url);
 716
 717     len = GetSystemDirectoryW(app, MAX_PATH-sizeof(winebrowserW)/sizeof(WCHAR));
 718     memcpy(app+len, winebrowserW, sizeof(winebrowserW));
 719     len += sizeof(winebrowserW)/sizeof(WCHAR) -1;
 720
 721     args = heap_alloc((len+1+url_len)*sizeof(WCHAR));
 722     if(!args)
 723         return;
 724
 725     memcpy(args, app, len*sizeof(WCHAR));
 726     args[len++] = ' ';
 727     memcpy(args+len, url, (url_len+1) * sizeof(WCHAR));
 728
 729     TRACE("starting %s\n", debugstr_w(args));
 730
 731     memset(&si, 0, sizeof(si));
 732     si.cb = sizeof(si);
 733     ret = CreateProcessW(app, args, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi);
 734     heap_free(args);
 735     if (ret) {
 736         CloseHandle(pi.hThread);
 737         CloseHandle(pi.hProcess);
 738     }
 739 }
 740
 741 static INT_PTR CALLBACK installer_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 742 {
 743     switch(msg) {
 744     case WM_INITDIALOG:
 745         ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_HIDE);
 746         install_dialog = hwnd;
 747         return TRUE;
 748
 749     case WM_NOTIFY:
 750         switch (((NMHDR *)lParam)->code)
 751         {
 752         case NM_CLICK:
 753         case NM_RETURN:
 754             if (wParam == ID_DWL_STATUS)
 755                 run_winebrowser(((NMLINK*)lParam)->item.szUrl);
 756             break;
 757         }
 758         break;
 759
 760     case WM_COMMAND:
 761         switch(wParam) {
 762         case IDCANCEL:
 763             if(dwl_binding)
 764                 IBinding_Abort(dwl_binding);
 765             EndDialog(hwnd, 0);
 766             return FALSE;
 767
 768         case ID_DWL_INSTALL:
 769             ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_SHOW);
 770             EnableWindow(GetDlgItem(hwnd, ID_DWL_INSTALL), 0);
 771             if(!start_download())
 772                 EndDialog(install_dialog, 0);
 773         }
 774     }
 775
 776     return FALSE;
 777 }
 778
 779 BOOL install_addon(addon_t addon_type)
 780 {
 781     if(!*ARCH_STRING)
 782         return FALSE;
 783
 784     addon = addons_info+addon_type;
 785
 786     p_wine_get_dos_file_name = (void*)GetProcAddress(GetModuleHandleW(kernel32_dllW), "wine_get_dos_file_name");
 787
 788     /*
 789      * Try to find addon .msi file in following order:
 790      * - directory stored in $dir_config_key value of HKCU/Software/Wine/$config_key key
 791      * - $datadir/$addon_subdir/
 792      * - $INSTALL_DATADIR/wine/$addon_subdir/
 793      * - /usr/share/wine/$addon_subdir/
 794      * - download from URL stored in $url_config_key value of HKCU/Software/Wine/$config_key key
 795      */
 796     if (install_from_registered_dir() == INSTALL_NEXT
 797         && install_from_default_dir() == INSTALL_NEXT
 798         && install_from_cache() == INSTALL_NEXT
 799         && (url = get_url()))
 800         DialogBoxW(hInst, addon->dialog_template, 0, installer_proc);
 801
 802     heap_free(url);
 803     url = NULL;
 804     return TRUE;
 805 }