dlls/setupapi/setupcab.c

   1 /*
   2  * Setupapi cabinet routines
   3  *
   4  * Copyright 2003 Gregory M. Turner
   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  *
  21  * Many useful traces are commented in code, uncomment them if you have
  22  * trouble and run with WINEDEBUG=+setupapi
  23  *
  24  */
  25
  26 #include <stdarg.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "wingdi.h"
  33 #include "winuser.h"
  34 #include "winnls.h"
  35 #include "winreg.h"
  36 #include "setupapi.h"
  37 #include "setupapi_private.h"
  38 #include "fdi.h"
  39 #include "wine/unicode.h"
  40 #include "wine/debug.h"
  41
  42 /* from msvcrt */
  43 #define _O_RDONLY      0
  44 #define _O_WRONLY      1
  45 #define _O_RDWR        2
  46 #define _O_ACCMODE     (_O_RDONLY|_O_WRONLY|_O_RDWR)
  47 #define _O_APPEND      0x0008
  48 #define _O_RANDOM      0x0010
  49 #define _O_SEQUENTIAL  0x0020
  50 #define _O_TEMPORARY   0x0040
  51 #define _O_NOINHERIT   0x0080
  52 #define _O_CREAT       0x0100
  53 #define _O_TRUNC       0x0200
  54 #define _O_EXCL        0x0400
  55 #define _O_SHORT_LIVED 0x1000
  56 #define _O_TEXT        0x4000
  57 #define _O_BINARY      0x8000
  58
  59 #define _SH_COMPAT     0x00
  60 #define _SH_DENYRW     0x10
  61 #define _SH_DENYWR     0x20
  62 #define _SH_DENYRD     0x30
  63 #define _SH_DENYNO     0x40
  64
  65 OSVERSIONINFOW OsVersionInfo;
  66
  67 static HINSTANCE CABINET_hInstance = 0;
  68 HINSTANCE SETUPAPI_hInstance = 0;
  69
  70 static HFDI (__cdecl *sc_FDICreate)(PFNALLOC, PFNFREE, PFNOPEN,
  71                 PFNREAD, PFNWRITE, PFNCLOSE, PFNSEEK, int, PERF);
  72
  73 static BOOL (__cdecl *sc_FDICopy)(HFDI, char *, char *, int,
  74                 PFNFDINOTIFY, PFNFDIDECRYPT, void *);
  75
  76 static BOOL (__cdecl *sc_FDIDestroy)(HFDI);
  77
  78 #define SC_HSC_A_MAGIC 0xACABFEED
  79 typedef struct {
  80   UINT magic;
  81   HFDI hfdi;
  82   PSP_FILE_CALLBACK_A msghandler;
  83   PVOID context;
  84   CHAR most_recent_cabinet_name[MAX_PATH];
  85   CHAR most_recent_target[MAX_PATH];
  86 } SC_HSC_A, *PSC_HSC_A;
  87
  88 #define SC_HSC_W_MAGIC 0x0CABFEED
  89 typedef struct {
  90   UINT magic;
  91   HFDI hfdi;
  92   PSP_FILE_CALLBACK_W msghandler;
  93   PVOID context;
  94   WCHAR most_recent_cabinet_name[MAX_PATH];
  95   WCHAR most_recent_target[MAX_PATH];
  96 } SC_HSC_W, *PSC_HSC_W;
  97
  98 WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
  99
 100 static BOOL LoadCABINETDll(void)
 101 {
 102   if (!CABINET_hInstance) {
 103     CABINET_hInstance = LoadLibraryA("cabinet.dll");
 104     if (CABINET_hInstance)  {
 105       sc_FDICreate = (void *)GetProcAddress(CABINET_hInstance, "FDICreate");
 106       sc_FDICopy = (void *)GetProcAddress(CABINET_hInstance, "FDICopy");
 107       sc_FDIDestroy = (void *)GetProcAddress(CABINET_hInstance, "FDIDestroy");
 108       return TRUE;
 109     } else {
 110       ERR("load cabinet dll failed.\n");
 111       return FALSE;
 112     }
 113   } else
 114     return TRUE;
 115 }
 116
 117 /* FDICreate callbacks */
 118
 119 static void * CDECL sc_cb_alloc(ULONG cb)
 120 {
 121   return HeapAlloc(GetProcessHeap(), 0, cb);
 122 }
 123
 124 static void CDECL sc_cb_free(void *pv)
 125 {
 126   HeapFree(GetProcessHeap(), 0, pv);
 127 }
 128
 129 static INT_PTR CDECL sc_cb_open(char *pszFile, int oflag, int pmode)
 130 {
 131   DWORD creation = 0, sharing = 0;
 132   int ioflag = 0;
 133   INT_PTR ret = 0;
 134   SECURITY_ATTRIBUTES sa;
 135
 136   /* TRACE("(pszFile == %s, oflag == %d, pmode == %d)\n", debugstr_a(pszFile), oflag, pmode); */
 137
 138   switch(oflag & (_O_RDONLY | _O_WRONLY | _O_RDWR)) {
 139   case _O_RDONLY:
 140     ioflag |= GENERIC_READ;
 141     break;
 142   case _O_WRONLY:
 143     ioflag |= GENERIC_WRITE;
 144     break;
 145   case _O_RDWR:
 146     ioflag |= GENERIC_READ | GENERIC_WRITE;
 147     break;
 148   case _O_WRONLY | _O_RDWR: /* hmmm.. */
 149     ERR("_O_WRONLY & _O_RDWR in oflag?\n");
 150     return -1;
 151   }
 152
 153   if (oflag & _O_CREAT) {
 154     if (oflag & _O_EXCL)
 155       creation = CREATE_NEW;
 156     else if (oflag & _O_TRUNC)
 157       creation = CREATE_ALWAYS;
 158     else
 159       creation = OPEN_ALWAYS;
 160   } else  /* no _O_CREAT */ {
 161     if (oflag & _O_TRUNC)
 162       creation = TRUNCATE_EXISTING;
 163     else
 164       creation = OPEN_EXISTING;
 165   }
 166
 167   switch( pmode & 0x70 ) {
 168     case _SH_DENYRW:
 169       sharing = 0L;
 170       break;
 171     case _SH_DENYWR:
 172       sharing = FILE_SHARE_READ;
 173       break;
 174     case _SH_DENYRD:
 175       sharing = FILE_SHARE_WRITE;
 176       break;
 177     case _SH_COMPAT:
 178     case _SH_DENYNO:
 179       sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
 180       break;
 181     default:
 182       ERR("<-- -1 (Unhandled pmode 0x%x)\n", pmode);
 183       return -1;
 184   }
 185
 186   if (oflag & ~(_O_BINARY | _O_TRUNC | _O_EXCL | _O_CREAT | _O_RDWR | _O_WRONLY | _O_NOINHERIT))
 187     WARN("unsupported oflag 0x%04x\n",oflag);
 188
 189   sa.nLength              = sizeof( SECURITY_ATTRIBUTES );
 190   sa.lpSecurityDescriptor = NULL;
 191   sa.bInheritHandle       = !(ioflag & _O_NOINHERIT);
 192
 193   ret = (INT_PTR) CreateFileA(pszFile, ioflag, sharing, &sa, creation, FILE_ATTRIBUTE_NORMAL, NULL);
 194
 195   /* TRACE("<-- %d\n", ret); */
 196
 197   return ret;
 198 }
 199
 200 static UINT CDECL sc_cb_read(INT_PTR hf, void *pv, UINT cb)
 201 {
 202   DWORD num_read;
 203   BOOL rslt;
 204
 205   /* TRACE("(hf == %d, pv == ^%p, cb == %u)\n", hf, pv, cb); */
 206
 207   rslt = ReadFile((HANDLE) hf, pv, cb, &num_read, NULL);
 208
 209
 210   /* eof and failure both give "-1" return */
 211   if ((! rslt) || ((cb > 0) && (num_read == 0))) {
 212     /* TRACE("<-- -1\n"); */
 213     return -1;
 214   }
 215
 216   /* TRACE("<-- %lu\n", num_read); */
 217   return num_read;
 218 }
 219
 220 static UINT CDECL sc_cb_write(INT_PTR hf, void *pv, UINT cb)
 221 {
 222   DWORD num_written;
 223   /* BOOL rv; */
 224
 225   /* TRACE("(hf == %d, pv == ^%p, cb == %u)\n", hf, pv, cb); */
 226
 227   if ( /* (rv = */ WriteFile((HANDLE) hf, pv, cb, &num_written, NULL) /* ) */
 228        && (num_written == cb)) {
 229     /* TRACE("<-- %lu\n", num_written); */
 230     return num_written;
 231   } else {
 232     /* TRACE("rv == %d, num_written == %lu, cb == %u\n", rv, num_written,cb); */
 233     /* TRACE("<-- -1\n"); */
 234     return -1;
 235   }
 236 }
 237
 238 static int CDECL sc_cb_close(INT_PTR hf)
 239 {
 240   /* TRACE("(hf == %d)\n", hf); */
 241
 242   if (CloseHandle((HANDLE) hf))
 243     return 0;
 244   else
 245     return -1;
 246 }
 247
 248 static LONG CDECL sc_cb_lseek(INT_PTR hf, LONG dist, int seektype)
 249 {
 250   DWORD ret;
 251
 252   /* TRACE("(hf == %d, dist == %ld, seektype == %d)\n", hf, dist, seektype); */
 253
 254   if (seektype < 0 || seektype > 2)
 255     return -1;
 256
 257   if (((ret = SetFilePointer((HANDLE) hf, dist, NULL, seektype)) != INVALID_SET_FILE_POINTER) || !GetLastError()) {
 258     /* TRACE("<-- %lu\n", ret); */
 259     return ret;
 260   } else {
 261     /* TRACE("<-- -1\n"); */
 262     return -1;
 263   }
 264 }
 265
 266 #define SIZEOF_MYSTERIO (MAX_PATH*3)
 267
 268 /* FDICopy callbacks */
 269
 270 static INT_PTR CDECL sc_FNNOTIFY_A(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
 271 {
 272   FILE_IN_CABINET_INFO_A fici;
 273   PSC_HSC_A phsc;
 274   CABINET_INFO_A ci;
 275   FILEPATHS_A fp;
 276   UINT err;
 277
 278   CHAR mysterio[SIZEOF_MYSTERIO]; /* how big? undocumented! probably 256... */
 279
 280   memset(mysterio, 0, SIZEOF_MYSTERIO);
 281
 282   TRACE("(fdint == %d, pfdin == ^%p)\n", fdint, pfdin);
 283
 284   if (pfdin && pfdin->pv && (((PSC_HSC_A) pfdin->pv)->magic == SC_HSC_A_MAGIC))
 285     phsc = pfdin->pv;
 286   else {
 287     ERR("pv %p is not an SC_HSC_A.\n", (pfdin) ? pfdin->pv : NULL);
 288     return -1;
 289   }
 290
 291   switch (fdint) {
 292   case fdintCABINET_INFO:
 293     TRACE("Cabinet info notification\n");
 294     /* TRACE("  Cabinet name: %s\n", debugstr_a(pfdin->psz1));
 295     TRACE("  Cabinet disk: %s\n", debugstr_a(pfdin->psz2));
 296     TRACE("  Cabinet path: %s\n", debugstr_a(pfdin->psz3));
 297     TRACE("  Cabinet Set#: %d\n", pfdin->setID);
 298     TRACE("  Cabinet Cab#: %d\n", pfdin->iCabinet); */
 299     WARN("SPFILENOTIFY_CABINETINFO undocumented: guess implementation.\n");
 300     ci.CabinetFile = phsc->most_recent_cabinet_name;
 301     ci.CabinetPath = pfdin->psz3;
 302     ci.DiskName = pfdin->psz2;
 303     ci.SetId = pfdin->setID;
 304     ci.CabinetNumber = pfdin->iCabinet;
 305     phsc->msghandler(phsc->context, SPFILENOTIFY_CABINETINFO, (UINT_PTR) &ci, 0);
 306     return 0;
 307   case fdintPARTIAL_FILE:
 308     TRACE("Partial file notification\n");
 309     /* TRACE("  Partial file name: %s\n", debugstr_a(pfdin->psz1)); */
 310     return 0;
 311   case fdintCOPY_FILE:
 312     TRACE("Copy file notification\n");
 313     TRACE("  File name: %s\n", debugstr_a(pfdin->psz1));
 314     /* TRACE("  File size: %ld\n", pfdin->cb);
 315     TRACE("  File date: %u\n", pfdin->date);
 316     TRACE("  File time: %u\n", pfdin->time);
 317     TRACE("  File attr: %u\n", pfdin->attribs); */
 318     fici.NameInCabinet = pfdin->psz1;
 319     fici.FileSize = pfdin->cb;
 320     fici.Win32Error = 0;
 321     fici.DosDate = pfdin->date;
 322     fici.DosTime = pfdin->time;
 323     fici.DosAttribs = pfdin->attribs;
 324     memset(fici.FullTargetName, 0, MAX_PATH);
 325     err = phsc->msghandler(phsc->context, SPFILENOTIFY_FILEINCABINET,
 326                            (UINT_PTR)&fici, (UINT_PTR)pfdin->psz1);
 327     if (err == FILEOP_DOIT) {
 328       TRACE("  Callback specified filename: %s\n", debugstr_a(fici.FullTargetName));
 329       if (!fici.FullTargetName[0]) {
 330         WARN("  Empty return string causing abort.\n");
 331         SetLastError(ERROR_PATH_NOT_FOUND);
 332         return -1;
 333       }
 334       strcpy( phsc->most_recent_target, fici.FullTargetName );
 335       return sc_cb_open(fici.FullTargetName, _O_BINARY | _O_CREAT | _O_WRONLY,  _S_IREAD | _S_IWRITE);
 336     } else {
 337       TRACE("  Callback skipped file.\n");
 338       return 0;
 339     }
 340   case fdintCLOSE_FILE_INFO:
 341     TRACE("Close file notification\n");
 342     /* TRACE("  File name: %s\n", debugstr_a(pfdin->psz1));
 343     TRACE("  Exec file? %s\n", (pfdin->cb) ? "Yes" : "No");
 344     TRACE("  File hndl: %d\n", pfdin->hf); */
 345     fp.Source = phsc->most_recent_cabinet_name;
 346     fp.Target = phsc->most_recent_target;
 347     fp.Win32Error = 0;
 348     fp.Flags = 0;
 349     /* the following should be a fixme -- but it occurs too many times */
 350     WARN("Should set file date/time/attribs (and execute files?)\n");
 351     if (sc_cb_close(pfdin->hf))
 352       WARN("_close failed.\n");
 353     err = phsc->msghandler(phsc->context, SPFILENOTIFY_FILEEXTRACTED, (UINT_PTR)&fp, 0);
 354     if (err) {
 355       SetLastError(err);
 356       return FALSE;
 357     } else
 358       return TRUE;
 359   case fdintNEXT_CABINET:
 360     TRACE("Next cabinet notification\n");
 361     /* TRACE("  Cabinet name: %s\n", debugstr_a(pfdin->psz1));
 362     TRACE("  Cabinet disk: %s\n", debugstr_a(pfdin->psz2));
 363     TRACE("  Cabinet path: %s\n", debugstr_a(pfdin->psz3));
 364     TRACE("  Cabinet Set#: %d\n", pfdin->setID);
 365     TRACE("  Cabinet Cab#: %d\n", pfdin->iCabinet); */
 366     ci.CabinetFile = pfdin->psz1;
 367     ci.CabinetPath = pfdin->psz3;
 368     ci.DiskName = pfdin->psz2;
 369     ci.SetId = pfdin->setID;
 370     ci.CabinetNumber = pfdin->iCabinet;
 371     /* remember the new cabinet name */
 372     strcpy(phsc->most_recent_cabinet_name, pfdin->psz1);
 373     err = phsc->msghandler(phsc->context, SPFILENOTIFY_NEEDNEWCABINET, (UINT_PTR)&ci, (UINT_PTR)mysterio);
 374     if (err) {
 375       SetLastError(err);
 376       return -1;
 377     } else {
 378       if (mysterio[0]) {
 379         /* some easy paranoia.  no such carefulness exists on the wide API IIRC */
 380         lstrcpynA(pfdin->psz3, mysterio, SIZEOF_MYSTERIO);
 381       }
 382       return 0;
 383     }
 384   default:
 385     FIXME("Unknown notification type %d.\n", fdint);
 386     return 0;
 387   }
 388 }
 389
 390 static INT_PTR CDECL sc_FNNOTIFY_W(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
 391 {
 392   FILE_IN_CABINET_INFO_W fici;
 393   PSC_HSC_W phsc;
 394   CABINET_INFO_W ci;
 395   FILEPATHS_W fp;
 396   UINT err;
 397   int len;
 398
 399   WCHAR mysterio[SIZEOF_MYSTERIO]; /* how big? undocumented! */
 400   WCHAR buf[MAX_PATH], buf2[MAX_PATH];
 401   CHAR charbuf[MAX_PATH];
 402
 403   memset(mysterio, 0, SIZEOF_MYSTERIO * sizeof(WCHAR));
 404   memset(buf, 0, MAX_PATH * sizeof(WCHAR));
 405   memset(buf2, 0, MAX_PATH * sizeof(WCHAR));
 406   memset(charbuf, 0, MAX_PATH);
 407
 408   TRACE("(fdint == %d, pfdin == ^%p)\n", fdint, pfdin);
 409
 410   if (pfdin && pfdin->pv && (((PSC_HSC_W) pfdin->pv)->magic == SC_HSC_W_MAGIC))
 411     phsc = pfdin->pv;
 412   else {
 413     ERR("pv %p is not an SC_HSC_W.\n", (pfdin) ? pfdin->pv : NULL);
 414     return -1;
 415   }
 416
 417   switch (fdint) {
 418   case fdintCABINET_INFO:
 419     TRACE("Cabinet info notification\n");
 420     /* TRACE("  Cabinet name: %s\n", debugstr_a(pfdin->psz1));
 421     TRACE("  Cabinet disk: %s\n", debugstr_a(pfdin->psz2));
 422     TRACE("  Cabinet path: %s\n", debugstr_a(pfdin->psz3));
 423     TRACE("  Cabinet Set#: %d\n", pfdin->setID);
 424     TRACE("  Cabinet Cab#: %d\n", pfdin->iCabinet); */
 425     WARN("SPFILENOTIFY_CABINETINFO undocumented: guess implementation.\n");
 426     ci.CabinetFile = phsc->most_recent_cabinet_name;
 427     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz3, -1, buf, MAX_PATH);
 428     if ((len > MAX_PATH) || (len <= 1))
 429       buf[0] = '\0';
 430     ci.CabinetPath = buf;
 431     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz2, -1, buf2, MAX_PATH);
 432     if ((len > MAX_PATH) || (len <= 1))
 433       buf2[0] = '\0';
 434     ci.DiskName = buf2;
 435     ci.SetId = pfdin->setID;
 436     ci.CabinetNumber = pfdin->iCabinet;
 437     phsc->msghandler(phsc->context, SPFILENOTIFY_CABINETINFO, (UINT_PTR)&ci, 0);
 438     return 0;
 439   case fdintPARTIAL_FILE:
 440     TRACE("Partial file notification\n");
 441     /* TRACE("  Partial file name: %s\n", debugstr_a(pfdin->psz1)); */
 442     return 0;
 443   case fdintCOPY_FILE:
 444     TRACE("Copy file notification\n");
 445     TRACE("  File name: %s\n", debugstr_a(pfdin->psz1));
 446     /* TRACE("  File size: %ld\n", pfdin->cb);
 447     TRACE("  File date: %u\n", pfdin->date);
 448     TRACE("  File time: %u\n", pfdin->time);
 449     TRACE("  File attr: %u\n", pfdin->attribs); */
 450     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz1, -1, buf2, MAX_PATH);
 451     if ((len > MAX_PATH) || (len <= 1))
 452       buf2[0] = '\0';
 453     fici.NameInCabinet = buf2;
 454     fici.FileSize = pfdin->cb;
 455     fici.Win32Error = 0;
 456     fici.DosDate = pfdin->date;
 457     fici.DosTime = pfdin->time;
 458     fici.DosAttribs = pfdin->attribs;
 459     memset(fici.FullTargetName, 0, MAX_PATH * sizeof(WCHAR));
 460     err = phsc->msghandler(phsc->context, SPFILENOTIFY_FILEINCABINET,
 461                            (UINT_PTR)&fici, (UINT_PTR)pfdin->psz1);
 462     if (err == FILEOP_DOIT) {
 463       TRACE("  Callback specified filename: %s\n", debugstr_w(fici.FullTargetName));
 464       if (fici.FullTargetName[0]) {
 465         len = strlenW(fici.FullTargetName) + 1;
 466         if ((len > MAX_PATH ) || (len <= 1))
 467           return 0;
 468         if (!WideCharToMultiByte(CP_ACP, 0, fici.FullTargetName, len, charbuf, MAX_PATH, 0, 0))
 469           return 0;
 470       } else {
 471         WARN("Empty buffer string caused abort.\n");
 472         SetLastError(ERROR_PATH_NOT_FOUND);
 473         return -1;
 474       }
 475       strcpyW( phsc->most_recent_target, fici.FullTargetName );
 476       return sc_cb_open(charbuf, _O_BINARY | _O_CREAT | _O_WRONLY,  _S_IREAD | _S_IWRITE);
 477     } else {
 478       TRACE("  Callback skipped file.\n");
 479       return 0;
 480     }
 481   case fdintCLOSE_FILE_INFO:
 482     TRACE("Close file notification\n");
 483     /* TRACE("  File name: %s\n", debugstr_a(pfdin->psz1));
 484     TRACE("  Exec file? %s\n", (pfdin->cb) ? "Yes" : "No");
 485     TRACE("  File hndl: %d\n", pfdin->hf); */
 486     fp.Source = phsc->most_recent_cabinet_name;
 487     fp.Target = phsc->most_recent_target;
 488     fp.Win32Error = 0;
 489     fp.Flags = 0;
 490     /* a valid fixme -- but occurs too many times */
 491     /* FIXME("Should set file date/time/attribs (and execute files?)\n"); */
 492     if (sc_cb_close(pfdin->hf))
 493       WARN("_close failed.\n");
 494     err = phsc->msghandler(phsc->context, SPFILENOTIFY_FILEEXTRACTED, (UINT_PTR)&fp, 0);
 495     if (err) {
 496       SetLastError(err);
 497       return FALSE;
 498     } else
 499       return TRUE;
 500   case fdintNEXT_CABINET:
 501     TRACE("Next cabinet notification\n");
 502     /* TRACE("  Cabinet name: %s\n", debugstr_a(pfdin->psz1));
 503     TRACE("  Cabinet disk: %s\n", debugstr_a(pfdin->psz2));
 504     TRACE("  Cabinet path: %s\n", debugstr_a(pfdin->psz3));
 505     TRACE("  Cabinet Set#: %d\n", pfdin->setID);
 506     TRACE("  Cabinet Cab#: %d\n", pfdin->iCabinet); */
 507     /* remember the new cabinet name */
 508     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz1, -1, phsc->most_recent_cabinet_name, MAX_PATH);
 509     if ((len > MAX_PATH) || (len <= 1))
 510       phsc->most_recent_cabinet_name[0] = '\0';
 511     ci.CabinetFile = phsc->most_recent_cabinet_name;
 512     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz3, -1, buf, MAX_PATH);
 513     if ((len > MAX_PATH) || (len <= 1))
 514       buf[0] = '\0';
 515     ci.CabinetPath = buf;
 516     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz2, -1, buf2, MAX_PATH);
 517     if ((len > MAX_PATH) || (len <= 1))
 518       buf2[0] = '\0';
 519     ci.DiskName = buf2;
 520     ci.SetId = pfdin->setID;
 521     ci.CabinetNumber = pfdin->iCabinet;
 522     err = phsc->msghandler(phsc->context, SPFILENOTIFY_NEEDNEWCABINET, (UINT_PTR)&ci, (UINT_PTR)mysterio);
 523     if (err) {
 524       SetLastError(err);
 525       return -1;
 526     } else {
 527       if (mysterio[0]) {
 528         len = strlenW(mysterio) + 1;
 529         if ((len > 255) || (len <= 1))
 530           return 0;
 531         if (!WideCharToMultiByte(CP_ACP, 0, mysterio, len, pfdin->psz3, 255, 0, 0))
 532           return 0;
 533       }
 534       return 0;
 535     }
 536   default:
 537     FIXME("Unknown notification type %d.\n", fdint);
 538     return 0;
 539   }
 540 }
 541
 542 /***********************************************************************
 543  *              SetupIterateCabinetA (SETUPAPI.@)
 544  */
 545 BOOL WINAPI SetupIterateCabinetA(PCSTR CabinetFile, DWORD Reserved,
 546                                  PSP_FILE_CALLBACK_A MsgHandler, PVOID Context)
 547 {
 548
 549   SC_HSC_A my_hsc;
 550   ERF erf;
 551   CHAR pszCabinet[MAX_PATH], pszCabPath[MAX_PATH], *p = NULL;
 552   DWORD fpnsize;
 553   BOOL ret;
 554
 555   TRACE("(CabinetFile == %s, Reserved == %u, MsgHandler == ^%p, Context == ^%p)\n",
 556         debugstr_a(CabinetFile), Reserved, MsgHandler, Context);
 557
 558   if (!LoadCABINETDll())
 559     return FALSE;
 560
 561   if (!CabinetFile)
 562   {
 563     SetLastError(ERROR_INVALID_PARAMETER);
 564     return FALSE;
 565   }
 566
 567   fpnsize = strlen(CabinetFile);
 568   if (fpnsize >= MAX_PATH) {
 569     SetLastError(ERROR_BAD_PATHNAME);
 570     return FALSE;
 571   }
 572
 573   fpnsize = GetFullPathNameA(CabinetFile, MAX_PATH, pszCabPath, &p);
 574   if (fpnsize > MAX_PATH) {
 575     SetLastError(ERROR_BAD_PATHNAME);
 576     return FALSE;
 577   }
 578
 579   if (p) {
 580     strcpy(pszCabinet, p);
 581     *p = '\0';
 582   } else {
 583     strcpy(pszCabinet, CabinetFile);
 584     pszCabPath[0] = '\0';
 585   }
 586
 587   TRACE("path: %s, cabfile: %s\n", debugstr_a(pszCabPath), debugstr_a(pszCabinet));
 588
 589   /* remember the cabinet name */
 590   strcpy(my_hsc.most_recent_cabinet_name, pszCabinet);
 591
 592   my_hsc.magic = SC_HSC_A_MAGIC;
 593   my_hsc.msghandler = MsgHandler;
 594   my_hsc.context = Context;
 595   my_hsc.hfdi = sc_FDICreate( sc_cb_alloc, sc_cb_free, sc_cb_open, sc_cb_read,
 596                            sc_cb_write, sc_cb_close, sc_cb_lseek, cpuUNKNOWN, &erf );
 597
 598   if (!my_hsc.hfdi) return FALSE;
 599
 600   ret = sc_FDICopy(my_hsc.hfdi, pszCabinet, pszCabPath, 0, sc_FNNOTIFY_A, NULL, &my_hsc);
 601
 602   sc_FDIDestroy(my_hsc.hfdi);
 603   return ret;
 604 }
 605
 606
 607 /***********************************************************************
 608  *              SetupIterateCabinetW (SETUPAPI.@)
 609  */
 610 BOOL WINAPI SetupIterateCabinetW(PCWSTR CabinetFile, DWORD Reserved,
 611                                  PSP_FILE_CALLBACK_W MsgHandler, PVOID Context)
 612 {
 613   CHAR pszCabinet[MAX_PATH], pszCabPath[MAX_PATH];
 614   UINT len;
 615   SC_HSC_W my_hsc;
 616   ERF erf;
 617   WCHAR pszCabPathW[MAX_PATH], *p = NULL;
 618   DWORD fpnsize;
 619   BOOL ret;
 620
 621   TRACE("(CabinetFile == %s, Reserved == %u, MsgHandler == ^%p, Context == ^%p)\n",
 622         debugstr_w(CabinetFile), Reserved, MsgHandler, Context);
 623
 624   if (!LoadCABINETDll())
 625     return FALSE;
 626
 627   if (!CabinetFile)
 628   {
 629     SetLastError(ERROR_INVALID_PARAMETER);
 630     return FALSE;
 631   }
 632
 633   fpnsize = GetFullPathNameW(CabinetFile, MAX_PATH, pszCabPathW, &p);
 634   if (fpnsize > MAX_PATH) {
 635     SetLastError(ERROR_BAD_PATHNAME);
 636     return FALSE;
 637   }
 638
 639   if (p) {
 640     strcpyW(my_hsc.most_recent_cabinet_name, p);
 641     *p = 0;
 642     len = WideCharToMultiByte(CP_ACP, 0, pszCabPathW, -1, pszCabPath,
 643                                 MAX_PATH, 0, 0);
 644     if (!len) return FALSE;
 645   } else {
 646     strcpyW(my_hsc.most_recent_cabinet_name, CabinetFile);
 647     pszCabPath[0] = '\0';
 648   }
 649
 650   len = WideCharToMultiByte(CP_ACP, 0, my_hsc.most_recent_cabinet_name, -1,
 651                                 pszCabinet, MAX_PATH, 0, 0);
 652   if (!len) return FALSE;
 653
 654   TRACE("path: %s, cabfile: %s\n",
 655         debugstr_a(pszCabPath), debugstr_a(pszCabinet));
 656
 657   my_hsc.magic = SC_HSC_W_MAGIC;
 658   my_hsc.msghandler = MsgHandler;
 659   my_hsc.context = Context;
 660   my_hsc.hfdi = sc_FDICreate( sc_cb_alloc, sc_cb_free, sc_cb_open, sc_cb_read,
 661                               sc_cb_write, sc_cb_close, sc_cb_lseek, cpuUNKNOWN, &erf );
 662
 663   if (!my_hsc.hfdi) return FALSE;
 664
 665   ret = sc_FDICopy(my_hsc.hfdi, pszCabinet, pszCabPath, 0, sc_FNNOTIFY_W, NULL, &my_hsc);
 666
 667   sc_FDIDestroy(my_hsc.hfdi);
 668   return ret;
 669 }
 670
 671
 672 /***********************************************************************
 673  * DllMain
 674  *
 675  * PARAMS
 676  *     hinstDLL    [I] handle to the DLL's instance
 677  *     fdwReason   [I]
 678  *     lpvReserved [I] reserved, must be NULL
 679  *
 680  * RETURNS
 681  *     Success: TRUE
 682  *     Failure: FALSE
 683  */
 684
 685 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
 686 {
 687     switch (fdwReason) {
 688     case DLL_PROCESS_ATTACH:
 689         DisableThreadLibraryCalls(hinstDLL);
 690         OsVersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
 691         if (!GetVersionExW(&OsVersionInfo))
 692             return FALSE;
 693         SETUPAPI_hInstance = hinstDLL;
 694         break;
 695     case DLL_PROCESS_DETACH:
 696         if (lpvReserved) break;
 697         SetupCloseLog();
 698         if (CABINET_hInstance) FreeLibrary(CABINET_hInstance);
 699         break;
 700     }
 701
 702     return TRUE;
 703 }