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 #define NONAMELESSSTRUCT
  33
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winuser.h"
  37 #include "cpl.h"
  38 #include "winreg.h"
  39 #include "ole2.h"
  40 #include "commctrl.h"
  41 #include "advpub.h"
  42 #include "wininet.h"
  43 #include "shellapi.h"
  44 #include "urlmon.h"
  45 #include "msi.h"
  46
  47 #include "appwiz.h"
  48 #include "res.h"
  49
  50 #include "wine/debug.h"
  51 #include "wine/unicode.h"
  52 #include "wine/library.h"
  53
  54 WINE_DEFAULT_DEBUG_CHANNEL(appwizcpl);
  55
  56 #define GECKO_VERSION "1.9"
  57
  58 #ifdef __i386__
  59 #define ARCH_STRING "x86"
  60 #define GECKO_SHA "d2553224848a926eacfa8685662ff1d7e8be2428"
  61 #elif defined(__x86_64__)
  62 #define ARCH_STRING "x86_64"
  63 #define GECKO_SHA "c7cd0994f89dd15b36ce8dacaa33d0ec47c407d1"
  64 #else
  65 #define ARCH_STRING ""
  66 #define GECKO_SHA "???"
  67 #endif
  68
  69 #define MONO_VERSION "0.0.8"
  70 #define MONO_SHA "dd349e72249ce5ff981be0e9dae33ac4a46a9f60"
  71
  72 typedef struct {
  73     const char *version;
  74     const char *file_name;
  75     const char *subdir_name;
  76     const char *sha;
  77     const char *url_default;
  78     const char *config_key;
  79     const char *url_config_key;
  80     const char *dir_config_key;
  81     LPCWSTR dialog_template;
  82 } addon_info_t;
  83
  84 static const addon_info_t addons_info[] = {
  85     {
  86         GECKO_VERSION,
  87         "wine_gecko-" GECKO_VERSION "-" ARCH_STRING ".msi",
  88         "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         "wine-mono-" MONO_VERSION ".msi",
  97         "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
 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, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL);
 137     if(file == INVALID_HANDLE_VALUE)
 138         return FALSE;
 139
 140     size = GetFileSize(file, NULL);
 141
 142     map = CreateFileMappingW(file, NULL, PAGE_READONLY, 0, 0, NULL);
 143     CloseHandle(file);
 144     if(!map)
 145         return FALSE;
 146
 147     file_map = MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0);
 148     CloseHandle(map);
 149     if(!file_map)
 150         return FALSE;
 151
 152     A_SHAInit(&ctx);
 153     A_SHAUpdate(&ctx, file_map, size);
 154     A_SHAFinal(&ctx, sha);
 155
 156     UnmapViewOfFile(file_map);
 157
 158     for(i=0; i < sizeof(sha); i++)
 159         sprintf(buf + i*2, "%02x", *((unsigned char*)sha+i));
 160
 161     if(strcmp(buf, addon->sha)) {
 162         WARN("Got %s, expected %s\n", buf, addon->sha);
 163         return FALSE;
 164     }
 165
 166     return TRUE;
 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     BOOL 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 check sum\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 HRESULT WINAPI InstallCallback_QueryInterface(IBindStatusCallback *iface,
 416         REFIID riid, void **ppv)
 417 {
 418     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IBindStatusCallback, riid)) {
 419         *ppv = iface;
 420         return S_OK;
 421     }
 422
 423     return E_INVALIDARG;
 424 }
 425
 426 static ULONG WINAPI InstallCallback_AddRef(IBindStatusCallback *iface)
 427 {
 428     return 2;
 429 }
 430
 431 static ULONG WINAPI InstallCallback_Release(IBindStatusCallback *iface)
 432 {
 433     return 1;
 434 }
 435
 436 static HRESULT WINAPI InstallCallback_OnStartBinding(IBindStatusCallback *iface,
 437         DWORD dwReserved, IBinding *pib)
 438 {
 439     set_status(IDS_DOWNLOADING);
 440     return S_OK;
 441 }
 442
 443 static HRESULT WINAPI InstallCallback_GetPriority(IBindStatusCallback *iface,
 444         LONG *pnPriority)
 445 {
 446     return E_NOTIMPL;
 447 }
 448
 449 static HRESULT WINAPI InstallCallback_OnLowResource(IBindStatusCallback *iface,
 450        DWORD dwReserved)
 451 {
 452     return E_NOTIMPL;
 453 }
 454
 455 static HRESULT WINAPI InstallCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 456         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 457 {
 458     HWND progress = GetDlgItem(install_dialog, ID_DWL_PROGRESS);
 459
 460     if(ulProgressMax)
 461         SendMessageW(progress, PBM_SETRANGE32, 0, ulProgressMax);
 462     if(ulProgress)
 463         SendMessageW(progress, PBM_SETPOS, ulProgress, 0);
 464
 465     return S_OK;
 466 }
 467
 468 static HRESULT WINAPI InstallCallback_OnStopBinding(IBindStatusCallback *iface,
 469         HRESULT hresult, LPCWSTR szError)
 470 {
 471     if(FAILED(hresult)) {
 472         ERR("Binding failed %08x\n", hresult);
 473         return S_OK;
 474     }
 475
 476     set_status(IDS_INSTALLING);
 477     return S_OK;
 478 }
 479
 480 static HRESULT WINAPI InstallCallback_GetBindInfo(IBindStatusCallback *iface,
 481         DWORD* grfBINDF, BINDINFO* pbindinfo)
 482 {
 483     /* FIXME */
 484     *grfBINDF = 0;
 485     return S_OK;
 486 }
 487
 488 static HRESULT WINAPI InstallCallback_OnDataAvailable(IBindStatusCallback *iface, DWORD grfBSCF,
 489         DWORD dwSize, FORMATETC* pformatetc, STGMEDIUM* pstgmed)
 490 {
 491     ERR("\n");
 492     return E_NOTIMPL;
 493 }
 494
 495 static HRESULT WINAPI InstallCallback_OnObjectAvailable(IBindStatusCallback *iface,
 496         REFIID riid, IUnknown* punk)
 497 {
 498     ERR("\n");
 499     return E_NOTIMPL;
 500 }
 501
 502 static const IBindStatusCallbackVtbl InstallCallbackVtbl = {
 503     InstallCallback_QueryInterface,
 504     InstallCallback_AddRef,
 505     InstallCallback_Release,
 506     InstallCallback_OnStartBinding,
 507     InstallCallback_GetPriority,
 508     InstallCallback_OnLowResource,
 509     InstallCallback_OnProgress,
 510     InstallCallback_OnStopBinding,
 511     InstallCallback_GetBindInfo,
 512     InstallCallback_OnDataAvailable,
 513     InstallCallback_OnObjectAvailable
 514 };
 515
 516 static IBindStatusCallback InstallCallback = { &InstallCallbackVtbl };
 517
 518 static void append_url_params( WCHAR *url )
 519 {
 520     static const WCHAR arch_formatW[] = {'?','a','r','c','h','='};
 521     static const WCHAR v_formatW[] = {'&','v','='};
 522     DWORD size = INTERNET_MAX_URL_LENGTH * sizeof(WCHAR);
 523     DWORD len = strlenW(url);
 524
 525     memcpy(url+len, arch_formatW, sizeof(arch_formatW));
 526     len += sizeof(arch_formatW)/sizeof(WCHAR);
 527     len += MultiByteToWideChar(CP_ACP, 0, ARCH_STRING, sizeof(ARCH_STRING),
 528                                url+len, size/sizeof(WCHAR)-len)-1;
 529     memcpy(url+len, v_formatW, sizeof(v_formatW));
 530     len += sizeof(v_formatW)/sizeof(WCHAR);
 531     MultiByteToWideChar(CP_ACP, 0, addon->version, -1, url+len, size/sizeof(WCHAR)-len);
 532 }
 533
 534 static LPWSTR get_url(void)
 535 {
 536     DWORD size = INTERNET_MAX_URL_LENGTH*sizeof(WCHAR);
 537     WCHAR *url, *config_key;
 538     HKEY hkey;
 539     DWORD res, type;
 540     DWORD returned_size;
 541
 542     static const WCHAR httpW[] = {'h','t','t','p'};
 543
 544     url = heap_alloc(size);
 545     returned_size = size;
 546
 547     hkey = open_config_key();
 548     if (hkey)
 549     {
 550         config_key = heap_strdupAtoW(addon->url_config_key);
 551         res = RegQueryValueExW(hkey, config_key, NULL, &type, (LPBYTE)url, &returned_size);
 552         heap_free(config_key);
 553         RegCloseKey(hkey);
 554         if(res == ERROR_SUCCESS && type == REG_SZ) goto found;
 555     }
 556
 557     MultiByteToWideChar( CP_ACP, 0, addon->url_default, -1, url, size / sizeof(WCHAR) );
 558
 559 found:
 560     if (returned_size > sizeof(httpW) && !memcmp(url, httpW, sizeof(httpW))) append_url_params( url );
 561
 562     TRACE("Got URL %s\n", debugstr_w(url));
 563     return url;
 564 }
 565
 566 static DWORD WINAPI download_proc(PVOID arg)
 567 {
 568     WCHAR tmp_dir[MAX_PATH], tmp_file[MAX_PATH];
 569     HRESULT hres;
 570
 571     GetTempPathW(sizeof(tmp_dir)/sizeof(WCHAR), tmp_dir);
 572     GetTempFileNameW(tmp_dir, NULL, 0, tmp_file);
 573
 574     TRACE("using temp file %s\n", debugstr_w(tmp_file));
 575
 576     hres = URLDownloadToFileW(NULL, url, tmp_file, 0, &InstallCallback);
 577     if(FAILED(hres)) {
 578         ERR("URLDownloadToFile failed: %08x\n", hres);
 579         return 0;
 580     }
 581
 582     if(sha_check(tmp_file)) {
 583         WCHAR *cache_file_name;
 584
 585         install_file(tmp_file);
 586
 587         cache_file_name = get_cache_file_name(TRUE);
 588         if(cache_file_name) {
 589             MoveFileW(tmp_file, cache_file_name);
 590             heap_free(cache_file_name);
 591         }
 592     }else {
 593         WCHAR message[256];
 594
 595         if(LoadStringW(hInst, IDS_INVALID_SHA, message, sizeof(message)/sizeof(WCHAR)))
 596             MessageBoxW(NULL, message, NULL, MB_ICONERROR);
 597     }
 598
 599     DeleteFileW(tmp_file);
 600     EndDialog(install_dialog, 0);
 601     return 0;
 602 }
 603
 604 static void run_winebrowser(const WCHAR *url)
 605 {
 606     PROCESS_INFORMATION pi;
 607     STARTUPINFOW si;
 608     WCHAR app[MAX_PATH];
 609     LONG len, url_len;
 610     WCHAR *args;
 611     BOOL ret;
 612
 613     static const WCHAR winebrowserW[] = {'\\','w','i','n','e','b','r','o','w','s','e','r','.','e','x','e',0};
 614
 615     url_len = strlenW(url);
 616
 617     len = GetSystemDirectoryW(app, MAX_PATH-sizeof(winebrowserW)/sizeof(WCHAR));
 618     memcpy(app+len, winebrowserW, sizeof(winebrowserW));
 619     len += sizeof(winebrowserW)/sizeof(WCHAR) -1;
 620
 621     args = heap_alloc((len+1+url_len)*sizeof(WCHAR));
 622     if(!args)
 623         return;
 624
 625     memcpy(args, app, len*sizeof(WCHAR));
 626     args[len++] = ' ';
 627     memcpy(args+len, url, (url_len+1) * sizeof(WCHAR));
 628
 629     TRACE("starting %s\n", debugstr_w(args));
 630
 631     memset(&si, 0, sizeof(si));
 632     si.cb = sizeof(si);
 633     ret = CreateProcessW(app, args, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi);
 634     heap_free(args);
 635     if (ret) {
 636         CloseHandle(pi.hThread);
 637         CloseHandle(pi.hProcess);
 638     }
 639 }
 640
 641 static INT_PTR CALLBACK installer_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 642 {
 643     switch(msg) {
 644     case WM_INITDIALOG:
 645         ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_HIDE);
 646         install_dialog = hwnd;
 647         return TRUE;
 648
 649     case WM_NOTIFY:
 650         switch (((NMHDR *)lParam)->code)
 651         {
 652         case NM_CLICK:
 653         case NM_RETURN:
 654             if (wParam == ID_DWL_STATUS)
 655                 run_winebrowser(((NMLINK*)lParam)->item.szUrl);
 656             break;
 657         }
 658         break;
 659
 660     case WM_COMMAND:
 661         switch(wParam) {
 662         case IDCANCEL:
 663             EndDialog(hwnd, 0);
 664             return FALSE;
 665
 666         case ID_DWL_INSTALL:
 667             ShowWindow(GetDlgItem(hwnd, ID_DWL_PROGRESS), SW_SHOW);
 668             EnableWindow(GetDlgItem(hwnd, ID_DWL_INSTALL), 0);
 669             EnableWindow(GetDlgItem(hwnd, IDCANCEL), 0); /* FIXME */
 670             CloseHandle( CreateThread(NULL, 0, download_proc, NULL, 0, NULL));
 671             return FALSE;
 672         }
 673     }
 674
 675     return FALSE;
 676 }
 677
 678 BOOL install_addon(addon_t addon_type)
 679 {
 680     if(!*ARCH_STRING)
 681         return FALSE;
 682
 683     addon = addons_info+addon_type;
 684
 685     p_wine_get_dos_file_name = (void*)GetProcAddress(GetModuleHandleW(kernel32_dllW), "wine_get_dos_file_name");
 686
 687     /*
 688      * Try to find addon .msi file in following order:
 689      * - directory stored in $dir_config_key value of HKCU/Wine/Software/$config_key key
 690      * - $datadir/$addon_subdir/
 691      * - $INSTALL_DATADIR/wine/$addon_subdir/
 692      * - /usr/share/wine/$addon_subdir/
 693      * - download from URL stored in $url_config_key value of HKCU/Wine/Software/$config_key key
 694      */
 695     if (install_from_registered_dir() == INSTALL_NEXT
 696         && install_from_default_dir() == INSTALL_NEXT
 697         && install_from_cache() == INSTALL_NEXT
 698         && (url = get_url()))
 699         DialogBoxW(hInst, addon->dialog_template, 0, installer_proc);
 700
 701     heap_free(url);
 702     url = NULL;
 703     return TRUE;
 704 }