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