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
 215     while (vn_last < vn_num)
 216     {
 217         if (pvnlist[vn_last] == NULL)
 218             break;
 219         vn_last++;
 220     }
 221     heap = GetProcessHeap();
 222     if (vn_last == vn_num)
 223     {
 224         vn_num += 20;
 225         if (pvnlist)
 226             pvnlist = HeapReAlloc(heap, HEAP_ZERO_MEMORY, pvnlist,
 227                                 sizeof(*pvnlist) * vn_num);
 228         else
 229             pvnlist = HeapAlloc(heap, HEAP_ZERO_MEMORY,
 230                                 sizeof(*pvnlist) * vn_num);
 231     }
 232     pvnlist[vn_last] = HeapAlloc(heap, HEAP_ZERO_MEMORY, sizeof(VIRTNODE));
 233     lpvn = pvnlist[vn_last];
 234     vn_last++;
 235
 236     lpvn->cbSize = sizeof(VIRTNODE);
 237
 238     if (vfsSrc)
 239         lpvn->vfsSrc = *vfsSrc;
 240
 241     if (vfsDst)
 242         lpvn->vfsDst = *vfsDst;
 243
 244     lpvn->fl = fl;
 245     lpvn->lParam = lParam;
 246     lpvn->lpExpandVtbl = lpExpandVtbl;
 247
 248     lpvn->vhstrDstFinalName = 0xffff; /* FIXME: what is this ? */
 249
 250     VCP_Callback(lpvn, VCPM_NODECREATE, 0, 0, VCP_MsgRef);
 251     lpvn->fl |= VFNL_CREATED;
 252     VCP_Callback(lpvn, VCPM_NODEACCEPT, 0, 0, VCP_MsgRef);
 253
 254     return OK;
 255 }
 256
 257 /***********************************************************************
 258  *              VcpOpen (SETUPX.200)
 259  *
 260  * Sets up a virtual copy operation.
 261  * This means that functions such as GenInstall()
 262  * create a VIRTNODE struct for every file to be touched in a .INF file
 263  * instead of actually touching the file.
 264  * The actual copy/move/rename gets started when VcpClose or
 265  * VcpFlush is called; several different callbacks are made
 266  * (copy, rename, open, close, version conflicts, ...) on every file copied.
 267  */
 268 RETERR16 WINAPI VcpOpen16(VIFPROC vifproc, LPARAM lparamMsgRef)
 269 {
 270     TRACE("(%p, %08lx)\n", vifproc, lparamMsgRef);
 271     if (VCP_opened)
 272         return ERR_VCP_BUSY;
 273
 274     VCP_Proc = (FARPROC16)vifproc;
 275     VCP_MsgRef = lparamMsgRef;
 276
 277     VCP_opened = TRUE;
 278     return OK;
 279 }
 280
 281 /***********************************************************************
 282  *              VcpQueueCopy            [SETUPX.13]
 283  *
 284  * lpExpandVtbl seems to be deprecated.
 285  * fl are the CNFL_xxx and VNFL_xxx flags.
 286  * lParam are the VNLP_xxx flags.
 287  */
 288 RETERR16 WINAPI VcpQueueCopy16(
 289         LPCSTR lpszSrcFileName, LPCSTR lpszDstFileName,
 290         LPCSTR lpszSrcDir, LPCSTR lpszDstDir,
 291         LOGDISKID16 ldidSrc, LOGDISKID16 ldidDst,
 292         LPEXPANDVTBL lpExpandVtbl,
 293         WORD fl, LPARAM lParam
 294 )
 295 {
 296     VCPFILESPEC vfsSrc, vfsDst;
 297
 298     if (!VCP_opened)
 299         return ERR_VCP_NOTOPEN;
 300
 301     TRACE("srcdir: %s, srcfile: %s, dstdir: %s, dstfile: %s\n",
 302       lpszSrcDir, lpszSrcFileName, lpszDstDir, lpszDstFileName);
 303
 304     TRACE("ldidSrc == %d, ldidDst == %d\n", ldidSrc, ldidDst);
 305
 306     vfsSrc.ldid = ldidSrc;
 307     vfsSrc.vhstrDir = vsmStringAdd16(lpszSrcDir);
 308     vfsSrc.vhstrFileName = vsmStringAdd16(lpszSrcFileName);
 309
 310     vfsDst.ldid = ldidDst;
 311     vfsDst.vhstrDir = vsmStringAdd16(lpszDstDir);
 312     vfsDst.vhstrFileName = vsmStringAdd16(lpszDstFileName);
 313
 314     return VCP_VirtnodeCreate(&vfsSrc, &vfsDst, fl, lParam,
 315                     lpExpandVtbl);
 316 }
 317
 318 /***********************************************************************
 319  *              VcpQueueDelete          [SETUPX.17]
 320  *
 321  * Is lParamRef the same as lParam in VcpQueueCopy ?
 322  * Damn docu !! Err... which docu ?
 323  */
 324 RETERR16 WINAPI VcpQueueDelete16(
 325         LPCSTR lpszDstFileName,
 326         LPCSTR lpszDstDir,
 327         LOGDISKID16 ldidDst,
 328         LPARAM lParamRef
 329 )
 330 {
 331     VCPFILESPEC vfsDst;
 332
 333     if (!VCP_opened)
 334         return ERR_VCP_NOTOPEN;
 335
 336     vfsDst.ldid = ldidDst;
 337     vfsDst.vhstrDir = vsmStringAdd16(lpszDstDir);
 338     vfsDst.vhstrFileName = vsmStringAdd16(lpszDstFileName);
 339
 340     return VCP_VirtnodeCreate(NULL, &vfsDst, VNFL_DELETE, lParamRef, 0);
 341 }
 342
 343 /***********************************************************************
 344  *              VcpQueueRename          [SETUPX.204]
 345  *
 346  */
 347 RETERR16 WINAPI VcpQueueRename16(
 348         LPCSTR lpszSrcFileName, LPCSTR lpszDstFileName,
 349         LPCSTR lpszSrcDir, LPCSTR lpszDstDir,
 350         LOGDISKID16 ldidSrc, LOGDISKID16 ldidDst,
 351         LPARAM lParam
 352 )
 353 {
 354     VCPFILESPEC vfsSrc, vfsDst;
 355
 356     if (!VCP_opened)
 357         return ERR_VCP_NOTOPEN;
 358
 359     vfsSrc.ldid = ldidSrc;
 360     vfsSrc.vhstrDir = vsmStringAdd16(lpszSrcDir);
 361     vfsSrc.vhstrFileName = vsmStringAdd16(lpszSrcFileName);
 362
 363     vfsDst.ldid = ldidDst;
 364     vfsDst.vhstrDir = vsmStringAdd16(lpszDstDir);
 365     vfsDst.vhstrFileName = vsmStringAdd16(lpszDstFileName);
 366
 367     return VCP_VirtnodeCreate(&vfsSrc, &vfsDst, VNFL_RENAME, lParam,
 368                     0);
 369 }
 370
 371 /***********************************************************************
 372  *              VcpEnumFiles (SETUPX.@)
 373  */
 374 INT16 WINAPI VcpEnumFiles(VCPENUMPROC vep, LPARAM lParamRef)
 375 {
 376     WORD n;
 377
 378     for (n = 0; n < vn_last; n++)
 379         vep(pvnlist[n], lParamRef);
 380
 381     return 0; /* FIXME: return value ? */
 382 }
 383
 384 /***********************************************************************
 385  *              VcpExplain (SETUPX.411)
 386  */
 387 LPCSTR WINAPI VcpExplain16(LPVIRTNODE lpVn, DWORD dwWhat)
 388 {
 389     static char buffer[MAX_PATH]; /* FIXME: is this how it's done ? */
 390     buffer[0] = '\0';
 391     switch (dwWhat)
 392     {
 393         case VCPEX_SRC_FULL:
 394         case VCPEX_DST_FULL:
 395             {
 396                 LPVCPFILESPEC lpvfs =
 397                     (dwWhat == VCPEX_SRC_FULL) ?  &lpVn->vfsSrc : &lpVn->vfsDst;
 398
 399                 /* if we have an ldid, use it, otherwise use the string */
 400                 /* from the vhstrlist array */
 401                 if (lpvfs->ldid != 0xffff)
 402                   CtlGetLddPath16(lpvfs->ldid, buffer);
 403                 else
 404                   strcat(buffer, vsmGetStringRawName16(lpvfs->vhstrDir));
 405
 406                 strcat(buffer, "\\");
 407                 strcat(buffer, vsmGetStringRawName16(lpvfs->vhstrFileName));
 408             }
 409             break;
 410         default:
 411             FIXME("%d unimplemented !\n", dwWhat);
 412             strcpy(buffer, "Unknown error");
 413             break;
 414     }
 415     return buffer;
 416 }
 417
 418 static RETERR16 VCP_CheckPaths(void)
 419 {
 420     DWORD n;
 421     LPVIRTNODE lpvn;
 422
 423     VCP_Callback(&vcp_status, VCPM_VSTATPATHCHECKSTART, 0, 0, VCP_MsgRef);
 424     for (n = 0; n < vn_num; n++)
 425     {
 426         lpvn = pvnlist[n];
 427         if (!lpvn) continue;
 428         /* FIXME: check paths of all VIRTNODEs here ! */
 429         VCP_Callback(&lpvn->vfsDst, VCPM_CHECKPATH, 0, (DWORD)lpvn, VCP_MsgRef);
 430     }
 431     VCP_Callback(&vcp_status, VCPM_VSTATPATHCHECKEND, 0, 0, VCP_MsgRef);
 432     return OK;
 433 }
 434
 435 static RETERR16 VCP_CopyFiles(void)
 436 {
 437     char fn_src[MAX_PATH], fn_dst[MAX_PATH];
 438     RETERR16 res = OK;
 439     DWORD n;
 440     LPVIRTNODE lpvn;
 441
 442     VCP_Callback(&vcp_status, VCPM_VSTATCOPYSTART, 0, 0, VCP_MsgRef);
 443     for (n = 0; n < vn_num; n++)
 444     {
 445         lpvn = pvnlist[n];
 446         if ((!lpvn) || ((lpvn->fl & VNFL_NODE_TYPE) != VNFL_COPY)) continue;
 447         /* FIXME: need to send VCPM_VSTATNEWDISK notification sometimes */
 448         strcpy(fn_src, VcpExplain16(lpvn, VCPEX_SRC_FULL));
 449         strcpy(fn_dst, VcpExplain16(lpvn, VCPEX_DST_FULL));
 450         /* FIXME: what is this VCPM_VSTATWRITE here for ?
 451          * I guess it's to signal successful destination file creation */
 452         VCP_Callback(&vcp_status, VCPM_VSTATWRITE, 0, 0, VCP_MsgRef);
 453
 454         /* FIXME: need to do the file copy in small chunks for notifications */
 455         TRACE("copying '%s' to '%s'\n", fn_src, fn_dst);
 456         /* perform the file copy */
 457         if (!CopyFileA(fn_src, fn_dst, !(lpvn->fl & VNLP_COPYIFEXISTS)))
 458         {
 459             ERR("error copying, src: %s -> dst: %s\n", fn_src, fn_dst);
 460             res = ERR_VCP_IOFAIL;
 461         }
 462
 463         vcp_status.prgFileRead.dwSoFar++;
 464         VCP_Callback(&vcp_status, VCPM_VSTATREAD, 0, 0, VCP_MsgRef);
 465         vcp_status.prgFileWrite.dwSoFar++;
 466         VCP_Callback(&vcp_status, VCPM_VSTATWRITE, 0, 0, VCP_MsgRef);
 467     }
 468
 469     VCP_Callback(&vcp_status, VCPM_VSTATCOPYEND, 0, 0, VCP_MsgRef);
 470     return res;
 471 }
 472
 473 /***********************************************************************
 474  *              VcpClose (SETUPX.201)
 475  *
 476  * Does callbacks (-> vifproc) with VCPM_VSTATCLOSESTART,
 477  * VCPM_VSTATCLOSEEND.
 478  *
 479  * fl gets VCPFL_xxx flags to indicate what to do with the
 480  * VIRTNODEs (files to mess with) created by e.g. GenInstall()
 481  */
 482 RETERR16 WINAPI VcpClose16(WORD fl, LPCSTR lpszBackupDest)
 483 {
 484     RETERR16 res = OK;
 485
 486     TRACE("(%04x, '%s')\n", fl, lpszBackupDest);
 487
 488     /* FIXME: needs to sort VIRTNODEs in case VCPFL_INSPECIFIEDORDER
 489      * is not set. This is done by VCP_Callback(VCPM_NODECOMPARE) */
 490
 491     TRACE("#1\n");
 492     memset(&vcp_status, 0, sizeof(VCPSTATUS));
 493     /* yes, vcp_status.cbSize is 0 ! */
 494     TRACE("#2\n");
 495     VCP_Callback(&vcp_status, VCPM_VSTATCLOSESTART, 0, 0, VCP_MsgRef);
 496     TRACE("#3\n");
 497
 498     res = VCP_CheckPaths();
 499     TRACE("#4\n");
 500     if (res != OK)
 501         return res; /* is this ok ? */
 502     VCP_CopyFiles();
 503
 504     TRACE("#5\n");
 505     VCP_Callback(&vcp_status, VCPM_VSTATCLOSEEND, 0, 0, VCP_MsgRef);
 506     TRACE("#6\n");
 507     VCP_Proc = NULL;
 508     VCP_opened = FALSE;
 509     return OK;
 510 }
 511
 512 /***********************************************************************
 513  *              vcpDefCallbackProc (SETUPX.202)
 514  */
 515 RETERR16 WINAPI vcpDefCallbackProc16(LPVOID lpvObj, UINT16 uMsg, WPARAM wParam,
 516                                         LPARAM lParam, LPARAM lParamRef)
 517 {
 518     static int count = 0;
 519     if (count < 10)
 520         FIXME("(%p, %04x, %04lx, %08lx, %08lx) - what to do here ?\n",
 521                 lpvObj, uMsg, wParam, lParam, lParamRef);
 522     count++;
 523     return OK;
 524 }
 525
 526 /********************* point-and-click stuff from here ***********************/
 527
 528 static HWND hDlgCopy = 0;
 529 static HKEY hKeyFiles = 0, hKeyRename = 0, hKeyConflict = 0;
 530 static char BackupDir[12];
 531
 532 static INT_PTR CALLBACK VCP_UI_FileCopyDlgProc(HWND hWndDlg, UINT iMsg, WPARAM wParam, LPARAM lParam)
 533 {
 534     INT_PTR retval = FALSE;
 535
 536     if (iMsg == WM_INITDIALOG)
 537     {
 538         ShowWindow(hWndDlg, SW_SHOWNORMAL);
 539         UpdateWindow(hWndDlg);
 540         retval = TRUE;
 541     }
 542     return retval;
 543 }
 544
 545 static BOOL VCP_UI_GetDialogTemplate(LPCVOID *template32)
 546 {
 547     HRSRC hResInfo;
 548     HGLOBAL hDlgTmpl32;
 549
 550     if (!(hResInfo = FindResourceA(SETUPAPI_hInstance, MAKEINTRESOURCEA(COPYFILEDLGORD), (LPSTR)RT_DIALOG)))
 551         return FALSE;
 552     if (!(hDlgTmpl32 = LoadResource(SETUPAPI_hInstance, hResInfo )) ||
 553         !(*template32 = LockResource( hDlgTmpl32 )))
 554         return FALSE;
 555     return TRUE;
 556 }
 557
 558 static LRESULT WINAPI
 559 VCP_UI_FileCopyWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 560 {
 561     if (uMsg != WM_CREATE)
 562         return DefWindowProcA (hwnd, uMsg, wParam, lParam);
 563
 564     return 0;
 565 }
 566
 567 static void VCP_UI_RegisterProgressClass(void)
 568 {
 569     static BOOL registered = FALSE;
 570     WNDCLASSA wndClass;
 571
 572     if (registered)
 573         return;
 574
 575     registered = TRUE;
 576     ZeroMemory (&wndClass, sizeof(WNDCLASSA));
 577     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
 578     wndClass.lpfnWndProc   = VCP_UI_FileCopyWndProc;
 579     wndClass.cbClsExtra    = 0;
 580     wndClass.cbWndExtra    = 0;
 581     wndClass.hCursor       = LoadCursorA (0, (LPSTR)IDC_ARROW);
 582     wndClass.hbrBackground = NULL;
 583     wndClass.lpszClassName = "setupx_progress";
 584
 585     RegisterClassA (&wndClass);
 586
 587     SETUPAPI_hInstance = LoadLibraryA( "setupapi.dll" );
 588 }
 589
 590 static RETERR16 VCP_UI_NodeCompare(LPVIRTNODE vn1, LPVIRTNODE vn2)
 591 {
 592     LPCSTR file1, file2;
 593     int ret;
 594     file1 = vsmGetStringRawName16(vn1->vfsSrc.vhstrFileName);
 595     file2 = vsmGetStringRawName16(vn2->vfsSrc.vhstrFileName);
 596
 597     ret = strcmp(file1, file2);
 598     /* Looks too complicated, but in optimized strcpy we might get
 599      * a 32bit wide difference and would truncate it to 16 bit, so
 600      * erroneously returning equality. */
 601     if (ret < 0) return -1;
 602     if (ret > 0) return  1;
 603     return 0;
 604 }
 605
 606 static RETERR16 VCP_UI_CopyStart(void)
 607 {
 608     LPCVOID template32;
 609     char buf[256]; /* plenty */
 610     BOOL dirty;
 611     DWORD len;
 612
 613     /* FIXME: should be registered at DLL startup instead */
 614     VCP_UI_RegisterProgressClass();
 615     if (!(VCP_UI_GetDialogTemplate(&template32)))
 616         return VCPN_FAIL;
 617
 618     if (vn_num > 10)  /* hack */
 619     {
 620         hDlgCopy = CreateDialogIndirectParamA(SETUPAPI_hInstance, template32, 0,
 621                                               VCP_UI_FileCopyDlgProc, 0);
 622         if (!hDlgCopy)
 623             return VCPN_FAIL;
 624         SetDlgItemTextA(hDlgCopy, SOURCESTRORD, "Scanning ...");
 625         SetDlgItemTextA(hDlgCopy, DESTSTRORD, "NOT_IMPLEMENTED_YET");
 626     }
 627     strcpy(buf, REG_INSTALLEDFILES);
 628     if (RegCreateKeyA(HKEY_LOCAL_MACHINE, buf, &hKeyFiles))
 629         return VCPN_FAIL;
 630     strcat(buf, REGPART_RENAME);
 631     if (RegCreateKeyA(HKEY_LOCAL_MACHINE, buf, &hKeyRename))
 632         return VCPN_FAIL;
 633     if (RegCreateKeyA(HKEY_LOCAL_MACHINE, REG_VERSIONCONFLICT, &hKeyConflict))
 634         return VCPN_FAIL;
 635     len = 1;
 636     if (!(RegQueryValueExA(hKeyConflict, "Dirty", NULL, 0, (LPBYTE)&dirty, &len)))
 637     {
 638         /* FIXME: what does SETUPX.DLL do in this case ? */
 639         MESSAGE("Warning: another program using SETUPX is already running ! Failed.\n");
 640         return VCPN_FAIL;
 641     }
 642     dirty = TRUE;
 643     if (RegSetValueExA(hKeyConflict, "Dirty", 0, REG_BINARY, (LPBYTE)&dirty, 1))
 644         return VCPN_FAIL;
 645     len = 12;
 646     if (!(RegQueryValueExA(hKeyConflict, "BackupDirectory", NULL, 0, (LPBYTE)BackupDir, &len)))
 647         strcpy(BackupDir, "VCM");
 648
 649     /* create C:\WINDOWS\[BackupDir] and set registry key to it */
 650     GetWindowsDirectoryA(buf, 256);
 651     strcat(buf, "\\");
 652     strcat(buf, BackupDir);
 653     if (!(CreateDirectoryA(buf, NULL)))
 654         return VCPN_FAIL;
 655     if (RegSetValueExA(hKeyConflict, "BackupDirectory", 0, REG_SZ, (LPBYTE)buf, strlen(buf)+1))
 656         return VCPN_FAIL;
 657     RegCloseKey(hKeyConflict);
 658
 659     return VCPN_OK;
 660 }
 661
 662 /***********************************************************************
 663  *              vcpUICallbackProc (SETUPX.213)
 664  */
 665 RETERR16 WINAPI vcpUICallbackProc16(LPVOID lpvObj, UINT16 uMsg, WPARAM wParam,
 666                                         LPARAM lParam, LPARAM lParamRef)
 667 {
 668     static int count = 0;
 669     RETERR16 res = VCPN_OK;
 670
 671     if (count < 5)
 672         FIXME("(%p, %04x, %04lx, %08lx, %08lx) - semi-stub\n",
 673                 lpvObj, uMsg, wParam, lParam, lParamRef);
 674     count++;
 675     switch (uMsg)
 676     {
 677         /* unused messages, it seems */
 678         case VCPM_DISKPREPINFO:
 679
 680         case VCPM_FILENEEDED:
 681
 682         case VCPM_NODECREATE:
 683         case VCPM_NODEACCEPT:
 684
 685         case VCPM_VSTATCLOSESTART:
 686         case VCPM_VSTATPATHCHECKSTART:
 687         case VCPM_VSTATPATHCHECKEND:
 688
 689         case VCPM_CHECKPATH:
 690             break;
 691
 692         /* the real stuff */
 693         case VCPM_NODECOMPARE:
 694             res = VCP_UI_NodeCompare((LPVIRTNODE)lpvObj, (LPVIRTNODE)lParam);
 695             break;
 696         case VCPM_VSTATREAD:
 697             break;
 698         case VCPM_VSTATWRITE:
 699             VCP_Callback(&vcp_status, VCPM_DISKPREPINFO, 0, 0, VCP_MsgRef);
 700             break;
 701         case VCPM_VSTATCLOSEEND:
 702             RegCloseKey(hKeyFiles);
 703             RegCloseKey(hKeyRename);
 704             RegDeleteKeyA(HKEY_LOCAL_MACHINE, REG_VERSIONCONFLICT);
 705             break;
 706         case VCPM_VSTATCOPYSTART:
 707             res = VCP_UI_CopyStart();
 708             break;
 709         case VCPM_VSTATCOPYEND:
 710             if (hDlgCopy) DestroyWindow(hDlgCopy);
 711             break;
 712         default:
 713             FIXME("unhandled msg 0x%04x\n", uMsg);
 714     }
 715     return res;
 716 }