dlls/setupx.dll16/virtcopy.c

   1 /*
   2  * SetupAPI virtual copy operations
   3  *
   4  * Copyright 2001 Andreas Mohr
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  * FIXME: we now rely on builtin setupapi.dll for dialog resources.
  21  *        This is bad ! We ought to have 16bit resource handling working.
  22  */
  23
  24 #include <stdarg.h>
  25 #include <string.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "winreg.h"
  30 #include "wownt32.h"
  31 #include "winnls.h"
  32 #include "setupapi.h"
  33 #include "setupx16.h"
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
  37
  38 /* copied from setupapi */
  39 #define COPYFILEDLGORD  1000
  40 #define SOURCESTRORD    500
  41 #define DESTSTRORD      501
  42 #define PROGRESSORD     502
  43
  44 #define REG_INSTALLEDFILES "System\\CurrentControlSet\\Control\\InstalledFiles"
  45 #define REGPART_RENAME "\\Rename"
  46 #define REG_VERSIONCONFLICT "Software\\Microsoft\\VersionConflictManager"
  47
  48 static FARPROC16 VCP_Proc = NULL;
  49 static LPARAM VCP_MsgRef = 0;
  50
  51 static BOOL VCP_opened = FALSE;
  52
  53 static VCPSTATUS vcp_status;
  54
  55 static HMODULE SETUPAPI_hInstance;
  56
  57 static WORD VCP_Callback( LPVOID obj, UINT16 msg, WPARAM16 wParam, LPARAM lParam, LPARAM lParamRef )
  58 {
  59     WORD args[8];
  60     DWORD ret = OK;
  61     if (VCP_Proc)
  62     {
  63         args[7] = HIWORD(obj);
  64         args[6] = LOWORD(obj);
  65         args[5] = msg;
  66         args[4] = wParam;
  67         args[3] = HIWORD(lParam);
  68         args[2] = LOWORD(lParam);
  69         args[1] = HIWORD(lParamRef);
  70         args[0] = LOWORD(lParamRef);
  71         WOWCallback16Ex( (DWORD)VCP_Proc, WCB16_PASCAL, sizeof(args), args, &ret );
  72     }
  73     return (WORD)ret;
  74 }
  75
  76 /****************************** VHSTR management ******************************/
  77
  78 /*
  79  * This is a totally braindead implementation for now;
  80  * I don't care about speed at all ! Size and implementation time
  81  * is much more important IMHO. I could have created some sophisticated
  82  * tree structure, but... what the hell ! :-)
  83  */
  84 typedef struct {
  85     DWORD refcount;
  86     LPCSTR pStr;
  87 } VHSTR_STRUCT;
  88
  89 static VHSTR_STRUCT **vhstrlist = NULL;
  90 static VHSTR vhstr_alloc = 0;
  91
  92 #define VALID_VHSTR(x)          ((x < vhstr_alloc) && (vhstrlist[x]) && (vhstrlist[x]->refcount))
  93
  94 /***********************************************************************
  95  *              vsmStringAdd (SETUPX.207)
  96  */
  97 VHSTR WINAPI vsmStringAdd16(LPCSTR lpszName)
  98 {
  99     VHSTR n;
 100     VHSTR index = 0xffff;
 101     HANDLE heap;
 102     LPSTR str;
 103
 104     TRACE("add string '%s'\n", lpszName);
 105     /* search whether string already inserted */
 106     TRACE("searching for existing string...\n");
 107     for (n = 0; n < vhstr_alloc; n++)
 108     {
 109         if ((vhstrlist[n]) && (vhstrlist[n]->refcount))
 110         {
 111                 TRACE("checking item: %d\n", n);
 112             if (!strcmp(vhstrlist[n]->pStr, lpszName))
 113             {
 114                 TRACE("found\n");
 115                 vhstrlist[n]->refcount++;
 116                 return n;
 117             }
 118         }
 119     }
 120
 121     /* hmm, not found yet, let's insert it */
 122     TRACE("inserting item\n");
 123     for (n = 0; n < vhstr_alloc; n++)
 124     {
 125         if ((!(vhstrlist[n])) || (!(vhstrlist[n]->refcount)))
 126         {
 127             index = n;
 128             break;
 129         }
 130     }
 131     heap = GetProcessHeap();
 132     if (n == vhstr_alloc) /* hmm, no free index found yet */
 133     {
 134         index = vhstr_alloc;
 135         vhstr_alloc += 20;
 136
 137         if (vhstrlist)
 138             vhstrlist = HeapReAlloc(heap, HEAP_ZERO_MEMORY, vhstrlist,
 139                                         sizeof(VHSTR_STRUCT *) * vhstr_alloc);
 140         else
 141             vhstrlist = HeapAlloc(heap, HEAP_ZERO_MEMORY,
 142                                         sizeof(VHSTR_STRUCT *) * vhstr_alloc);
 143     }
 144     if (index == 0xffff)
 145         return 0xffff; /* failure */
 146     if (!vhstrlist[index])
 147         vhstrlist[index] = HeapAlloc(heap, HEAP_ZERO_MEMORY, sizeof(VHSTR_STRUCT));
 148     vhstrlist[index]->refcount = 1;
 149     str = HeapAlloc(heap, 0, strlen(lpszName)+1);
 150     strcpy(str, lpszName);
 151     vhstrlist[index]->pStr = str;
 152     return index;
 153 }
 154
 155 /***********************************************************************
 156  *              vsmStringDelete (SETUPX.206)
 157  */
 158 INT16 WINAPI vsmStringDelete16(VHSTR vhstr)
 159 {
 160     if (VALID_VHSTR(vhstr))
 161     {
 162         vhstrlist[vhstr]->refcount--;
 163         if (!vhstrlist[vhstr]->refcount)
 164         {
 165             HeapFree(GetProcessHeap(), 0, (LPSTR)vhstrlist[vhstr]->pStr);
 166             vhstrlist[vhstr]->pStr = NULL;
 167         }
 168         return VCPN_OK;
 169     }
 170
 171     /* string not found */
 172     return VCPN_FAIL;
 173 }
 174
 175 /***********************************************************************
 176  *              vsmGetStringName (SETUPX.205)
 177  *
 178  * Pretty correct, I guess
 179  */
 180 INT16 WINAPI vsmGetStringName16(VHSTR vhstr, LPSTR lpszBuffer, int cbBuffer)
 181 {
 182     if (VALID_VHSTR(vhstr))
 183     {
 184         int len = strlen(vhstrlist[vhstr]->pStr)+1;
 185         if (cbBuffer >= len)
 186         {
 187             if (lpszBuffer)
 188                 strcpy(lpszBuffer, vhstrlist[vhstr]->pStr);
 189             return len;
 190         }
 191     }
 192     return VCPN_FAIL;
 193 }
 194
 195 /***********************************************************************
 196  *              vsmGetStringRawName (SETUPX.208)
 197  */
 198 LPCSTR WINAPI vsmGetStringRawName16(VHSTR vhstr)
 199 {
 200     return (VALID_VHSTR(vhstr)) ? vhstrlist[vhstr]->pStr : NULL;
 201 }
 202
 203
 204 /***************************** VIRTNODE management ****************************/
 205 static LPVIRTNODE *pvnlist = NULL;
 206 static DWORD vn_num = 0;
 207 static DWORD vn_last = 0;
 208
 209 static RETERR16 VCP_VirtnodeCreate(const VCPFILESPEC *vfsSrc, const VCPFILESPEC *vfsDst,
 210                                    WORD fl, LPARAM lParam, LPEXPANDVTBL lpExpandVtbl)
 211 {
 212     HANDLE heap;
 213     LPVIRTNODE lpvn;
 214     RETERR16 cbres;
 215
 216     while (vn_last < vn_num)
 217     {
 218         if (pvnlist[vn_last] == NULL)
 219             break;
 220         vn_last++;
 221     }
 222     heap = GetProcessHeap();
 223     if (vn_last == vn_num)
 224     {
 225         vn_num += 20;
 226         if (pvnlist)
 227             pvnlist = HeapReAlloc(heap, HEAP_ZERO_MEMORY, pvnlist,
 228                                 sizeof(LPVIRTNODE *) * vn_num);
 229         else
 230             pvnlist = HeapAlloc(heap, HEAP_ZERO_MEMORY,
 231                                 sizeof(LPVIRTNODE *) * vn_num);
 232     }
 233     pvnlist[vn_last] = HeapAlloc(heap, HEAP_ZERO_MEMORY, sizeof(VIRTNODE));
 234     lpvn = pvnlist[vn_last];
 235     vn_last++;
 236
 237     lpvn->cbSize = sizeof(VIRTNODE);
 238
 239     if (vfsSrc)
 240         lpvn->vfsSrc = *vfsSrc;
 241
 242     if (vfsDst)
 243         lpvn->vfsDst = *vfsDst;
 244
 245     lpvn->fl = fl;
 246     lpvn->lParam = lParam;
 247     lpvn->lpExpandVtbl = lpExpandVtbl;
 248
 249     lpvn->vhstrDstFinalName = 0xffff; /* FIXME: what is this ? */
 250
 251     cbres = VCP_Callback(lpvn, VCPM_NODECREATE, 0, 0, VCP_MsgRef);
 252     lpvn->fl |= VFNL_CREATED;
 253     cbres = VCP_Callback(lpvn, VCPM_NODEACCEPT, 0, 0, VCP_MsgRef);
 254
 255     return OK;
 256 }
 257
 258 /***********************************************************************
 259  *              VcpOpen (SETUPX.200)
 260  *
 261  * Sets up a virtual copy operation.
 262  * This means that functions such as GenInstall()
 263  * create a VIRTNODE struct for every file to be touched in a .INF file
 264  * instead of actually touching the file.
 265  * The actual copy/move/rename gets started when VcpClose or
 266  * VcpFlush is called; several different callbacks are made
 267  * (copy, rename, open, close, version conflicts, ...) on every file copied.
 268  */
 269 RETERR16 WINAPI VcpOpen16(VIFPROC vifproc, LPARAM lparamMsgRef)
 270 {
 271     TRACE("(%p, %08lx)\n", vifproc, lparamMsgRef);
 272     if (VCP_opened)
 273         return ERR_VCP_BUSY;
 274
 275     VCP_Proc = (FARPROC16)vifproc;
 276     VCP_MsgRef = lparamMsgRef;
 277
 278     VCP_opened = TRUE;
 279     return OK;
 280 }
 281
 282 /***********************************************************************
 283  *              VcpQueueCopy            [SETUPX.13]
 284  *
 285  * lpExpandVtbl seems to be deprecated.
 286  * fl are the CNFL_xxx and VNFL_xxx flags.
 287  * lParam are the VNLP_xxx flags.
 288  */
 289 RETERR16 WINAPI VcpQueueCopy16(
 290         LPCSTR lpszSrcFileName, LPCSTR lpszDstFileName,
 291         LPCSTR lpszSrcDir, LPCSTR lpszDstDir,
 292         LOGDISKID16 ldidSrc, LOGDISKID16 ldidDst,
 293         LPEXPANDVTBL lpExpandVtbl,
 294         WORD fl, LPARAM lParam
 295 )
 296 {
 297     VCPFILESPEC vfsSrc, vfsDst;
 298
 299     if (!VCP_opened)
 300         return ERR_VCP_NOTOPEN;
 301
 302     TRACE("srcdir: %s, srcfile: %s, dstdir: %s, dstfile: %s\n",
 303       lpszSrcDir, lpszSrcFileName, lpszDstDir, lpszDstFileName);
 304
 305     TRACE("ldidSrc == %d, ldidDst == %d\n", ldidSrc, ldidDst);
 306
 307     vfsSrc.ldid = ldidSrc;
 308     vfsSrc.vhstrDir = vsmStringAdd16(lpszSrcDir);
 309     vfsSrc.vhstrFileName = vsmStringAdd16(lpszSrcFileName);
 310
 311     vfsDst.ldid = ldidDst;
 312     vfsDst.vhstrDir = vsmStringAdd16(lpszDstDir);
 313     vfsDst.vhstrFileName = vsmStringAdd16(lpszDstFileName);
 314
 315     return VCP_VirtnodeCreate(&vfsSrc, &vfsDst, fl, lParam,
 316                     lpExpandVtbl);
 317 }
 318
 319 /***********************************************************************
 320  *              VcpQueueDelete          [SETUPX.17]
 321  *
 322  * Is lParamRef the same as lParam in VcpQueueCopy ?
 323  * Damn docu !! Err... which docu ?
 324  */
 325 RETERR16 WINAPI VcpQueueDelete16(
 326         LPCSTR lpszDstFileName,
 327         LPCSTR lpszDstDir,
 328         LOGDISKID16 ldidDst,
 329         LPARAM lParamRef
 330 )
 331 {
 332     VCPFILESPEC vfsDst;
 333
 334     if (!VCP_opened)
 335         return ERR_VCP_NOTOPEN;
 336
 337     vfsDst.ldid = ldidDst;
 338     vfsDst.vhstrDir = vsmStringAdd16(lpszDstDir);
 339     vfsDst.vhstrFileName = vsmStringAdd16(lpszDstFileName);
 340
 341     return VCP_VirtnodeCreate(NULL, &vfsDst, VNFL_DELETE, lParamRef, 0);
 342 }
 343
 344 /***********************************************************************
 345  *              VcpQueueRename          [SETUPX.204]
 346  *
 347  */
 348 RETERR16 WINAPI VcpQueueRename16(
 349         LPCSTR lpszSrcFileName, LPCSTR lpszDstFileName,
 350         LPCSTR lpszSrcDir, LPCSTR lpszDstDir,
 351         LOGDISKID16 ldidSrc, LOGDISKID16 ldidDst,
 352         LPARAM lParam
 353 )
 354 {
 355     VCPFILESPEC vfsSrc, vfsDst;
 356
 357     if (!VCP_opened)
 358         return ERR_VCP_NOTOPEN;
 359
 360     vfsSrc.ldid = ldidSrc;
 361     vfsSrc.vhstrDir = vsmStringAdd16(lpszSrcDir);
 362     vfsSrc.vhstrFileName = vsmStringAdd16(lpszSrcFileName);
 363
 364     vfsDst.ldid = ldidDst;
 365     vfsDst.vhstrDir = vsmStringAdd16(lpszDstDir);
 366     vfsDst.vhstrFileName = vsmStringAdd16(lpszDstFileName);
 367
 368     return VCP_VirtnodeCreate(&vfsSrc, &vfsDst, VNFL_RENAME, lParam,
 369                     0);
 370 }
 371
 372 /***********************************************************************
 373  *              VcpEnumFiles (SETUPX.@)
 374  */
 375 INT16 WINAPI VcpEnumFiles(VCPENUMPROC vep, LPARAM lParamRef)
 376 {
 377     WORD n;
 378
 379     for (n = 0; n < vn_last; n++)
 380         vep(pvnlist[n], lParamRef);
 381
 382     return 0; /* FIXME: return value ? */
 383 }
 384
 385 /***********************************************************************
 386  *              VcpExplain (SETUPX.411)
 387  */
 388 LPCSTR WINAPI VcpExplain16(LPVIRTNODE lpVn, DWORD dwWhat)
 389 {
 390     static char buffer[MAX_PATH]; /* FIXME: is this how it's done ? */
 391     buffer[0] = '\0';
 392     switch (dwWhat)
 393     {
 394         case VCPEX_SRC_FULL:
 395         case VCPEX_DST_FULL:
 396             {
 397                 LPVCPFILESPEC lpvfs =
 398                     (dwWhat == VCPEX_SRC_FULL) ?  &lpVn->vfsSrc : &lpVn->vfsDst;
 399
 400                 /* if we have an ldid, use it, otherwise use the string */
 401                 /* from the vhstrlist array */
 402                 if (lpvfs->ldid != 0xffff)
 403                   CtlGetLddPath16(lpvfs->ldid, buffer);
 404                 else
 405                   strcat(buffer, vsmGetStringRawName16(lpvfs->vhstrDir));
 406
 407                 strcat(buffer, "\\");
 408                 strcat(buffer, vsmGetStringRawName16(lpvfs->vhstrFileName));
 409             }
 410             break;
 411         default:
 412             FIXME("%d unimplemented !\n", dwWhat);
 413             strcpy(buffer, "Unknown error");
 414             break;
 415     }
 416     return buffer;
 417 }
 418
 419 static RETERR16 VCP_CheckPaths(void)
 420 {
 421     DWORD n;
 422     LPVIRTNODE lpvn;
 423     RETERR16 cbres;
 424
 425     cbres = VCP_Callback(&vcp_status, VCPM_VSTATPATHCHECKSTART, 0, 0, VCP_MsgRef);
 426     for (n = 0; n < vn_num; n++)
 427     {
 428         lpvn = pvnlist[n];
 429         if (!lpvn) continue;
 430         /* FIXME: check paths of all VIRTNODEs here ! */
 431         cbres = VCP_Callback(&lpvn->vfsDst, VCPM_CHECKPATH, 0, (DWORD)lpvn, VCP_MsgRef);
 432     }
 433     cbres = VCP_Callback(&vcp_status, VCPM_VSTATPATHCHECKEND, 0, 0, VCP_MsgRef);
 434     return OK;
 435 }
 436
 437 static RETERR16 VCP_CopyFiles(void)
 438 {
 439     char fn_src[MAX_PATH], fn_dst[MAX_PATH];
 440     RETERR16 res = OK, cbres;
 441     DWORD n;
 442     LPVIRTNODE lpvn;
 443
 444     cbres = VCP_Callback(&vcp_status, VCPM_VSTATCOPYSTART, 0, 0, VCP_MsgRef);
 445     for (n = 0; n < vn_num; n++)
 446     {
 447         lpvn = pvnlist[n];
 448         if ((!lpvn) || ((lpvn->fl & VNFL_NODE_TYPE) != VNFL_COPY)) continue;
 449         /* FIXME: need to send VCPM_VSTATNEWDISK notification sometimes */
 450         strcpy(fn_src, VcpExplain16(lpvn, VCPEX_SRC_FULL));
 451         strcpy(fn_dst, VcpExplain16(lpvn, VCPEX_DST_FULL));
 452         /* FIXME: what is this VCPM_VSTATWRITE here for ?
 453          * I guess it's to signal successful destination file creation */
 454         cbres = VCP_Callback(&vcp_status, VCPM_VSTATWRITE, 0, 0, VCP_MsgRef);
 455
 456         /* FIXME: need to do the file copy in small chunks for notifications */
 457         TRACE("copying '%s' to '%s'\n", fn_src, fn_dst);
 458         /* perform the file copy */
 459         if (!(CopyFileA(fn_src, fn_dst,
 460                (lpvn->fl & VNLP_COPYIFEXISTS) ? FALSE : TRUE )))
 461         {
 462             ERR("error copying, src: %s -> dst: %s\n", fn_src, fn_dst);
 463             res = ERR_VCP_IOFAIL;
 464         }
 465
 466         vcp_status.prgFileRead.dwSoFar++;
 467         cbres = VCP_Callback(&vcp_status, VCPM_VSTATREAD, 0, 0, VCP_MsgRef);
 468         vcp_status.prgFileWrite.dwSoFar++;
 469         cbres = VCP_Callback(&vcp_status, VCPM_VSTATWRITE, 0, 0, VCP_MsgRef);
 470     }
 471
 472     cbres = VCP_Callback(&vcp_status, VCPM_VSTATCOPYEND, 0, 0, VCP_MsgRef);
 473     return res;
 474 }
 475
 476 /***********************************************************************
 477  *              VcpClose (SETUPX.201)
 478  *
 479  * Does callbacks (-> vifproc) with VCPM_VSTATCLOSESTART,
 480  * VCPM_VSTATCLOSEEND.
 481  *
 482  * fl gets VCPFL_xxx flags to indicate what to do with the
 483  * VIRTNODEs (files to mess with) created by e.g. GenInstall()
 484  */
 485 RETERR16 WINAPI VcpClose16(WORD fl, LPCSTR lpszBackupDest)
 486 {
 487     RETERR16 res = OK;
 488     WORD cbres = VCPN_PROCEED;
 489
 490     TRACE("(%04x, '%s')\n", fl, lpszBackupDest);
 491
 492     /* FIXME: needs to sort VIRTNODEs in case VCPFL_INSPECIFIEDORDER
 493      * is not set. This is done by VCP_Callback(VCPM_NODECOMPARE) */
 494
 495     TRACE("#1\n");
 496     memset(&vcp_status, 0, sizeof(VCPSTATUS));
 497     /* yes, vcp_status.cbSize is 0 ! */
 498     TRACE("#2\n");
 499     cbres = VCP_Callback(&vcp_status, VCPM_VSTATCLOSESTART, 0, 0, VCP_MsgRef);
 500     TRACE("#3\n");
 501
 502     res = VCP_CheckPaths();
 503     TRACE("#4\n");
 504     if (res != OK)
 505         return res; /* is this ok ? */
 506     VCP_CopyFiles();
 507
 508     TRACE("#5\n");
 509     cbres = VCP_Callback(&vcp_status, VCPM_VSTATCLOSEEND, 0, 0, VCP_MsgRef);
 510     TRACE("#6\n");
 511     VCP_Proc = NULL;
 512     VCP_opened = FALSE;
 513     return OK;
 514 }
 515
 516 /***********************************************************************
 517  *              vcpDefCallbackProc (SETUPX.202)
 518  */
 519 RETERR16 WINAPI vcpDefCallbackProc16(LPVOID lpvObj, UINT16 uMsg, WPARAM wParam,
 520                                         LPARAM lParam, LPARAM lParamRef)
 521 {
 522     static int count = 0;
 523     if (count < 10)
 524         FIXME("(%p, %04x, %04lx, %08lx, %08lx) - what to do here ?\n",
 525                 lpvObj, uMsg, wParam, lParam, lParamRef);
 526     count++;
 527     return OK;
 528 }
 529
 530 /********************* point-and-click stuff from here ***********************/
 531
 532 static HWND hDlgCopy = 0;
 533 static HKEY hKeyFiles = 0, hKeyRename = 0, hKeyConflict = 0;
 534 static char BackupDir[12];
 535
 536 static INT_PTR CALLBACK VCP_UI_FileCopyDlgProc(HWND hWndDlg, UINT iMsg, WPARAM wParam, LPARAM lParam)
 537 {
 538     INT_PTR retval = FALSE;
 539
 540     if (iMsg == WM_INITDIALOG)
 541     {
 542         ShowWindow(hWndDlg, SW_SHOWNORMAL);
 543         UpdateWindow(hWndDlg);
 544         retval = TRUE;
 545     }
 546     return retval;
 547 }
 548
 549 static BOOL VCP_UI_GetDialogTemplate(LPCVOID *template32)
 550 {
 551     HRSRC hResInfo;
 552     HGLOBAL hDlgTmpl32;
 553
 554     if (!(hResInfo = FindResourceA(SETUPAPI_hInstance, MAKEINTRESOURCEA(COPYFILEDLGORD), (LPSTR)RT_DIALOG)))
 555         return FALSE;
 556     if (!(hDlgTmpl32 = LoadResource(SETUPAPI_hInstance, hResInfo )) ||
 557         !(*template32 = LockResource( hDlgTmpl32 )))
 558         return FALSE;
 559     return TRUE;
 560 }
 561
 562 static LRESULT WINAPI
 563 VCP_UI_FileCopyWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 564 {
 565     if (uMsg != WM_CREATE)
 566         return DefWindowProcA (hwnd, uMsg, wParam, lParam);
 567
 568     switch (uMsg)
 569     {
 570         case WM_CREATE:
 571             return 0;
 572         default:
 573             FIXME("%04x: unhandled.\n", uMsg);
 574     }
 575
 576     return 0;
 577 }
 578
 579 static void VCP_UI_RegisterProgressClass(void)
 580 {
 581     static BOOL registered = FALSE;
 582     WNDCLASSA wndClass;
 583
 584     if (registered)
 585         return;
 586
 587     registered = TRUE;
 588     ZeroMemory (&wndClass, sizeof(WNDCLASSA));
 589     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
 590     wndClass.lpfnWndProc   = VCP_UI_FileCopyWndProc;
 591     wndClass.cbClsExtra    = 0;
 592     wndClass.cbWndExtra    = 0;
 593     wndClass.hCursor       = LoadCursorA (0, (LPSTR)IDC_ARROW);
 594     wndClass.hbrBackground = NULL;
 595     wndClass.lpszClassName = "setupx_progress";
 596
 597     RegisterClassA (&wndClass);
 598
 599     SETUPAPI_hInstance = LoadLibraryA( "setupapi.dll" );
 600 }
 601
 602 static RETERR16 VCP_UI_NodeCompare(LPVIRTNODE vn1, LPVIRTNODE vn2)
 603 {
 604     LPCSTR file1, file2;
 605     file1 = vsmGetStringRawName16(vn1->vfsSrc.vhstrFileName);
 606     file2 = vsmGetStringRawName16(vn2->vfsSrc.vhstrFileName);
 607     return (RETERR16)strcmp(file1, file2);
 608 }
 609
 610 static RETERR16 VCP_UI_CopyStart(void)
 611 {
 612     LPCVOID template32;
 613     char buf[256]; /* plenty */
 614     BOOL dirty;
 615     DWORD len;
 616
 617     /* FIXME: should be registered at DLL startup instead */
 618     VCP_UI_RegisterProgressClass();
 619     if (!(VCP_UI_GetDialogTemplate(&template32)))
 620         return VCPN_FAIL;
 621
 622     if (vn_num > 10)  /* hack */
 623     {
 624         hDlgCopy = CreateDialogIndirectParamA(SETUPAPI_hInstance, template32, 0,
 625                                               VCP_UI_FileCopyDlgProc, 0);
 626         if (!hDlgCopy)
 627             return VCPN_FAIL;
 628         SetDlgItemTextA(hDlgCopy, SOURCESTRORD, "Scanning ...");
 629         SetDlgItemTextA(hDlgCopy, DESTSTRORD, "NOT_IMPLEMENTED_YET");
 630     }
 631     strcpy(buf, REG_INSTALLEDFILES);
 632     if (RegCreateKeyA(HKEY_LOCAL_MACHINE, buf, &hKeyFiles))
 633         return VCPN_FAIL;
 634     strcat(buf, REGPART_RENAME);
 635     if (RegCreateKeyA(HKEY_LOCAL_MACHINE, buf, &hKeyRename))
 636         return VCPN_FAIL;
 637     if (RegCreateKeyA(HKEY_LOCAL_MACHINE, REG_VERSIONCONFLICT, &hKeyConflict))
 638         return VCPN_FAIL;
 639     len = 1;
 640     if (!(RegQueryValueExA(hKeyConflict, "Dirty", NULL, 0, (LPBYTE)&dirty, &len)))
 641     {
 642         /* FIXME: what does SETUPX.DLL do in this case ? */
 643         MESSAGE("Warning: another program using SETUPX is already running ! Failed.\n");
 644         return VCPN_FAIL;
 645     }
 646     dirty = TRUE;
 647     if (RegSetValueExA(hKeyConflict, "Dirty", 0, REG_BINARY, (LPBYTE)&dirty, 1))
 648         return VCPN_FAIL;
 649     len = 12;
 650     if (!(RegQueryValueExA(hKeyConflict, "BackupDirectory", NULL, 0, (LPBYTE)BackupDir, &len)))
 651         strcpy(BackupDir, "VCM");
 652
 653     /* create C:\WINDOWS\[BackupDir] and set registry key to it */
 654     GetWindowsDirectoryA(buf, 256);
 655     strcat(buf, "\\");
 656     strcat(buf, BackupDir);
 657     if (!(CreateDirectoryA(buf, NULL)))
 658         return VCPN_FAIL;
 659     if (RegSetValueExA(hKeyConflict, "BackupDirectory", 0, REG_SZ, (LPBYTE)buf, strlen(buf)+1))
 660         return VCPN_FAIL;
 661     RegCloseKey(hKeyConflict);
 662
 663     return VCPN_OK;
 664 }
 665
 666 /***********************************************************************
 667  *              vcpUICallbackProc (SETUPX.213)
 668  */
 669 RETERR16 WINAPI vcpUICallbackProc16(LPVOID lpvObj, UINT16 uMsg, WPARAM wParam,
 670                                         LPARAM lParam, LPARAM lParamRef)
 671 {
 672     static int count = 0;
 673     RETERR16 res = VCPN_OK, cbres;
 674
 675     if (count < 5)
 676         FIXME("(%p, %04x, %04lx, %08lx, %08lx) - semi-stub\n",
 677                 lpvObj, uMsg, wParam, lParam, lParamRef);
 678     count++;
 679     switch (uMsg)
 680     {
 681         /* unused messages, it seems */
 682         case VCPM_DISKPREPINFO:
 683
 684         case VCPM_FILENEEDED:
 685
 686         case VCPM_NODECREATE:
 687         case VCPM_NODEACCEPT:
 688
 689         case VCPM_VSTATCLOSESTART:
 690         case VCPM_VSTATPATHCHECKSTART:
 691         case VCPM_VSTATPATHCHECKEND:
 692
 693         case VCPM_CHECKPATH:
 694             break;
 695
 696         /* the real stuff */
 697         case VCPM_NODECOMPARE:
 698             res = VCP_UI_NodeCompare((LPVIRTNODE)lpvObj, (LPVIRTNODE)lParam);
 699             break;
 700         case VCPM_VSTATREAD:
 701             break;
 702         case VCPM_VSTATWRITE:
 703             cbres = VCP_Callback(&vcp_status, VCPM_DISKPREPINFO, 0, 0, VCP_MsgRef);
 704             break;
 705         case VCPM_VSTATCLOSEEND:
 706             RegCloseKey(hKeyFiles);
 707             RegCloseKey(hKeyRename);
 708             RegDeleteKeyA(HKEY_LOCAL_MACHINE, REG_VERSIONCONFLICT);
 709             break;
 710         case VCPM_VSTATCOPYSTART:
 711             res = VCP_UI_CopyStart();
 712             break;
 713         case VCPM_VSTATCOPYEND:
 714             if (hDlgCopy) DestroyWindow(hDlgCopy);
 715             break;
 716         default:
 717             FIXME("unhandled msg 0x%04x\n", uMsg);
 718     }
 719     return res;
 720 }